annotate src/event/quic/ngx_event_quic.c @ 8717:0a0b1de9ccab quic

QUIC: fixed expected TLS codepoint with final draft and BoringSSL. A reasonable codepoint is always set[1] explicitly so that it doesn't depend on the default library value that may change[2] in the future. [1] https://boringssl.googlesource.com/boringssl/+/3d8b8c3d [2] https://boringssl.googlesource.com/boringssl/+/c47bfce0
author Sergey Kandaurov <pluknet@nginx.com>
date Tue, 16 Mar 2021 13:48:28 +0300
parents 44b4c6180106
children fc64ab301bad
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1
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2 /*
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3 * Copyright (C) Nginx, Inc.
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4 */
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_event.h>
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10 #include <ngx_event_quic_transport.h>
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11 #include <ngx_event_quic_protection.h>
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12 #include <ngx_sha1.h>
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13
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14
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15 /* 0-RTT and 1-RTT data exist in the same packet number space,
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16 * so we have 3 packet number spaces:
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17 *
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18 * 0 - Initial
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19 * 1 - Handshake
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20 * 2 - 0-RTT and 1-RTT
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21 */
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22 #define ngx_quic_get_send_ctx(qc, level) \
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23 ((level) == ssl_encryption_initial) ? &((qc)->send_ctx[0]) \
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24 : (((level) == ssl_encryption_handshake) ? &((qc)->send_ctx[1]) \
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25 : &((qc)->send_ctx[2]))
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26
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27 #define ngx_quic_lost_threshold(qc) \
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28 ngx_max(NGX_QUIC_TIME_THR * ngx_max((qc)->latest_rtt, (qc)->avg_rtt), \
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29 NGX_QUIC_TIME_GRANULARITY)
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30
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31 #define NGX_QUIC_SEND_CTX_LAST (NGX_QUIC_ENCRYPTION_LAST - 1)
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32
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33 /*
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34 * 7.4. Cryptographic Message Buffering
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35 * Implementations MUST support buffering at least 4096 bytes of data
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36 */
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37 #define NGX_QUIC_MAX_BUFFERED 65535
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38
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39 #define NGX_QUIC_STREAM_GONE (void *) -1
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40
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41 #define NGX_QUIC_UNSET_PN (uint64_t) -1
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42
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43 /*
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44 * Endpoints MUST discard packets that are too small to be valid QUIC
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45 * packets. With the set of AEAD functions defined in [QUIC-TLS],
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46 * packets that are smaller than 21 bytes are never valid.
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47 */
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48 #define NGX_QUIC_MIN_PKT_LEN 21
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49
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50 #define NGX_QUIC_MIN_SR_PACKET 43 /* 5 random + 16 srt + 22 padding */
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51 #define NGX_QUIC_MAX_SR_PACKET 1200
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52
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53 #define NGX_QUIC_MAX_ACK_GAP 2
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54
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55
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56 typedef struct {
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57 ngx_rbtree_t tree;
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58 ngx_rbtree_node_t sentinel;
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59
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60 uint64_t received;
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61 uint64_t sent;
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62 uint64_t recv_max_data;
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63 uint64_t send_max_data;
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64
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65 uint64_t server_max_streams_uni;
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66 uint64_t server_max_streams_bidi;
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67 uint64_t server_streams_uni;
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68 uint64_t server_streams_bidi;
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69
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70 uint64_t client_max_streams_uni;
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71 uint64_t client_max_streams_bidi;
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72 uint64_t client_streams_uni;
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73 uint64_t client_streams_bidi;
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74 } ngx_quic_streams_t;
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75
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76
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77 typedef struct {
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78 size_t in_flight;
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79 size_t window;
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80 size_t ssthresh;
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81 ngx_msec_t recovery_start;
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82 } ngx_quic_congestion_t;
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83
eee307399229 QUIC basic congestion control.
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84
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85 /*
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86 * 12.3. Packet Numbers
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87 *
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88 * Conceptually, a packet number space is the context in which a packet
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89 * can be processed and acknowledged. Initial packets can only be sent
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90 * with Initial packet protection keys and acknowledged in packets which
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91 * are also Initial packets.
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92 */
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93 typedef struct {
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94 enum ssl_encryption_level_t level;
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95
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96 uint64_t pnum; /* to be sent */
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97 uint64_t largest_ack; /* received from peer */
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98 uint64_t largest_pn; /* received from peer */
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99
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100 ngx_queue_t frames;
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101 ngx_queue_t sent;
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102
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103 uint64_t pending_ack; /* non sent ack-eliciting */
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104 uint64_t largest_range;
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105 uint64_t first_range;
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106 ngx_msec_t largest_received;
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107 ngx_msec_t ack_delay_start;
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108 ngx_uint_t nranges;
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109 ngx_quic_ack_range_t ranges[NGX_QUIC_MAX_RANGES];
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110 ngx_uint_t send_ack;
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111 } ngx_quic_send_ctx_t;
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112
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113
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114 typedef struct {
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115 ngx_udp_connection_t udp;
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116
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117 uint32_t version;
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118 ngx_str_t scid; /* initial client ID */
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119 ngx_str_t dcid; /* server (our own) ID */
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120 ngx_str_t odcid; /* original server ID */
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121
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122 struct sockaddr *sockaddr;
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123 socklen_t socklen;
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124
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125 ngx_queue_t client_ids;
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126 ngx_queue_t server_ids;
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127 ngx_queue_t free_client_ids;
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128 ngx_queue_t free_server_ids;
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129 ngx_uint_t nclient_ids;
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130 ngx_uint_t nserver_ids;
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131 uint64_t max_retired_seqnum;
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132 uint64_t client_seqnum;
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133 uint64_t server_seqnum;
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134
8260
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135 ngx_uint_t client_tp_done;
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
136 ngx_quic_tp_t tp;
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
137 ngx_quic_tp_t ctp;
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
138
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
139 ngx_quic_send_ctx_t send_ctx[NGX_QUIC_SEND_CTX_LAST];
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
140
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
141 ngx_quic_frames_stream_t crypto[NGX_QUIC_ENCRYPTION_LAST];
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
142
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
143 ngx_quic_keys_t *keys;
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
144
8481
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 8480
diff changeset
145 ngx_quic_conf_t *conf;
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 8480
diff changeset
146
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
147 ngx_event_t push;
8472
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
148 ngx_event_t pto;
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
149 ngx_event_t close;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
150 ngx_msec_t last_cc;
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
151
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
152 ngx_msec_t latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
153 ngx_msec_t avg_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
154 ngx_msec_t min_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
155 ngx_msec_t rttvar;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
156
8518
f9b1a4e52597 QUIC: changed c->quic->pto_count type to ngx_uint_t.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8517
diff changeset
157 ngx_uint_t pto_count;
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
158
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
159 ngx_queue_t free_frames;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
160 ngx_chain_t *free_bufs;
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
161 ngx_buf_t *free_shadow_bufs;
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
162
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
163 #ifdef NGX_QUIC_DEBUG_ALLOC
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
164 ngx_uint_t nframes;
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
165 ngx_uint_t nbufs;
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
166 #endif
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
167
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
168 ngx_quic_streams_t streams;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
169 ngx_quic_congestion_t congestion;
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
170 off_t received;
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
171
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
172 ngx_uint_t error;
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
173 enum ssl_encryption_level_t error_level;
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
174 ngx_uint_t error_ftype;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
175 const char *error_reason;
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
176
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
177 unsigned error_app:1;
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
178 unsigned send_timer_set:1;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
179 unsigned closing:1;
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
180 unsigned draining:1;
8319
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
181 unsigned key_phase:1;
8477
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
182 unsigned validated:1;
8638
d1cf691a82e8 Core: hide "struct ngx_quic_connection_s" and further reduce diffs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8634
diff changeset
183 } ngx_quic_connection_t;
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 8205
diff changeset
184
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
185
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
186 typedef struct {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
187 ngx_queue_t queue;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
188 uint64_t seqnum;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
189 size_t len;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
190 u_char id[NGX_QUIC_CID_LEN_MAX];
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
191 u_char sr_token[NGX_QUIC_SR_TOKEN_LEN];
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
192 } ngx_quic_client_id_t;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
193
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
194
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
195 typedef struct {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
196 ngx_udp_connection_t udp;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
197 ngx_queue_t queue;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
198 uint64_t seqnum;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
199 size_t len;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
200 u_char id[NGX_QUIC_CID_LEN_MAX];
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
201 } ngx_quic_server_id_t;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
202
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
203
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
204 typedef ngx_int_t (*ngx_quic_frame_handler_pt)(ngx_connection_t *c,
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
205 ngx_quic_frame_t *frame, void *data);
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
206
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
207
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
208 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
209 static int ngx_quic_set_read_secret(ngx_ssl_conn_t *ssl_conn,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
210 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
211 const uint8_t *secret, size_t secret_len);
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
212 static int ngx_quic_set_write_secret(ngx_ssl_conn_t *ssl_conn,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
213 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
214 const uint8_t *secret, size_t secret_len);
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
215 #else
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
216 static int ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
217 enum ssl_encryption_level_t level, const uint8_t *read_secret,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
218 const uint8_t *write_secret, size_t secret_len);
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
219 #endif
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
220
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
221 static int ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
222 enum ssl_encryption_level_t level, const uint8_t *data, size_t len);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
223 static int ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
224 static int ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
225 enum ssl_encryption_level_t level, uint8_t alert);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
226
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
227
8701
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
228 static ngx_int_t ngx_quic_apply_transport_params(ngx_connection_t *c,
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
229 ngx_quic_tp_t *ctp);
8561
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
230 static ngx_quic_connection_t *ngx_quic_new_connection(ngx_connection_t *c,
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
231 ngx_quic_conf_t *conf, ngx_quic_header_t *pkt);
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
232 static ngx_int_t ngx_quic_send_stateless_reset(ngx_connection_t *c,
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
233 ngx_quic_conf_t *conf, ngx_quic_header_t *pkt);
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
234 static ngx_int_t ngx_quic_new_sr_token(ngx_connection_t *c, ngx_str_t *cid,
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
235 u_char *secret, u_char *token);
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
236 static ngx_int_t ngx_quic_process_stateless_reset(ngx_connection_t *c,
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
237 ngx_quic_header_t *pkt);
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
238 static ngx_int_t ngx_quic_negotiate_version(ngx_connection_t *c,
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
239 ngx_quic_header_t *inpkt);
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
240 static ngx_int_t ngx_quic_create_server_id(ngx_connection_t *c, u_char *id);
8676
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
241 #if (NGX_QUIC_BPF)
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
242 static ngx_int_t ngx_quic_bpf_attach_id(ngx_connection_t *c, u_char *id);
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
243 #endif
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
244 static ngx_int_t ngx_quic_send_retry(ngx_connection_t *c,
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
245 ngx_quic_conf_t *conf, ngx_quic_header_t *pkt);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
246 static ngx_int_t ngx_quic_new_token(ngx_connection_t *c, u_char *key,
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
247 ngx_str_t *token, ngx_str_t *odcid, time_t expires, ngx_uint_t is_retry);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
248 static void ngx_quic_address_hash(ngx_connection_t *c, ngx_uint_t no_port,
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
249 u_char buf[20]);
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
250 static ngx_int_t ngx_quic_validate_token(ngx_connection_t *c,
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
251 u_char *key, ngx_quic_header_t *pkt);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
252 static ngx_int_t ngx_quic_init_connection(ngx_connection_t *c);
8436
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
253 static ngx_inline size_t ngx_quic_max_udp_payload(ngx_connection_t *c);
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
254 static void ngx_quic_input_handler(ngx_event_t *rev);
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
255
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
256 static void ngx_quic_close_connection(ngx_connection_t *c, ngx_int_t rc);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
257 static ngx_int_t ngx_quic_close_quic(ngx_connection_t *c, ngx_int_t rc);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
258 static void ngx_quic_close_timer_handler(ngx_event_t *ev);
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
259 static ngx_int_t ngx_quic_close_streams(ngx_connection_t *c,
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
260 ngx_quic_connection_t *qc);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
261
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
262 static ngx_int_t ngx_quic_input(ngx_connection_t *c, ngx_buf_t *b,
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
263 ngx_quic_conf_t *conf);
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
264 static ngx_int_t ngx_quic_process_packet(ngx_connection_t *c,
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
265 ngx_quic_conf_t *conf, ngx_quic_header_t *pkt);
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
266 static ngx_int_t ngx_quic_process_payload(ngx_connection_t *c,
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
267 ngx_quic_header_t *pkt);
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
268 static ngx_int_t ngx_quic_send_early_cc(ngx_connection_t *c,
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
269 ngx_quic_header_t *inpkt, ngx_uint_t err, const char *reason);
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
270 static void ngx_quic_discard_ctx(ngx_connection_t *c,
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
271 enum ssl_encryption_level_t level);
8688
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
272 static ngx_int_t ngx_quic_check_csid(ngx_quic_connection_t *qc,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
273 ngx_quic_header_t *pkt);
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
274 static ngx_int_t ngx_quic_handle_frames(ngx_connection_t *c,
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
275 ngx_quic_header_t *pkt);
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
276 static ngx_int_t ngx_quic_ack_packet(ngx_connection_t *c,
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
277 ngx_quic_header_t *pkt);
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
278 static ngx_int_t ngx_quic_send_ack_range(ngx_connection_t *c,
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
279 ngx_quic_send_ctx_t *ctx, uint64_t smallest, uint64_t largest);
8597
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
280 static void ngx_quic_drop_ack_ranges(ngx_connection_t *c,
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
281 ngx_quic_send_ctx_t *ctx, uint64_t pn);
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
282 static ngx_int_t ngx_quic_send_ack(ngx_connection_t *c,
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
283 ngx_quic_send_ctx_t *ctx);
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
284 static ngx_int_t ngx_quic_send_cc(ngx_connection_t *c);
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
285 static ngx_int_t ngx_quic_send_new_token(ngx_connection_t *c);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
286
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
287 static ngx_int_t ngx_quic_handle_ack_frame(ngx_connection_t *c,
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
288 ngx_quic_header_t *pkt, ngx_quic_frame_t *f);
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
289 static ngx_int_t ngx_quic_handle_ack_frame_range(ngx_connection_t *c,
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
290 ngx_quic_send_ctx_t *ctx, uint64_t min, uint64_t max,
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
291 ngx_msec_t *send_time);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
292 static void ngx_quic_rtt_sample(ngx_connection_t *c, ngx_quic_ack_frame_t *ack,
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
293 enum ssl_encryption_level_t level, ngx_msec_t send_time);
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
294 static ngx_inline ngx_msec_t ngx_quic_pto(ngx_connection_t *c,
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
295 ngx_quic_send_ctx_t *ctx);
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
296 static void ngx_quic_handle_stream_ack(ngx_connection_t *c,
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
297 ngx_quic_frame_t *f);
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
298
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
299 static ngx_int_t ngx_quic_handle_ordered_frame(ngx_connection_t *c,
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
300 ngx_quic_frames_stream_t *fs, ngx_quic_frame_t *frame,
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
301 ngx_quic_frame_handler_pt handler, void *data);
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
302 static ngx_int_t ngx_quic_adjust_frame_offset(ngx_connection_t *c,
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
303 ngx_quic_frame_t *f, uint64_t offset_in);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
304 static ngx_int_t ngx_quic_buffer_frame(ngx_connection_t *c,
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
305 ngx_quic_frames_stream_t *stream, ngx_quic_frame_t *f);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
306
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
307 static ngx_int_t ngx_quic_handle_crypto_frame(ngx_connection_t *c,
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
308 ngx_quic_header_t *pkt, ngx_quic_frame_t *frame);
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
309 static ngx_int_t ngx_quic_crypto_input(ngx_connection_t *c,
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
310 ngx_quic_frame_t *frame, void *data);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
311 static ngx_int_t ngx_quic_handle_stream_frame(ngx_connection_t *c,
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
312 ngx_quic_header_t *pkt, ngx_quic_frame_t *frame);
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
313 static ngx_int_t ngx_quic_stream_input(ngx_connection_t *c,
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
314 ngx_quic_frame_t *frame, void *data);
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
315
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
316 static ngx_int_t ngx_quic_handle_max_data_frame(ngx_connection_t *c,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
317 ngx_quic_max_data_frame_t *f);
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
318 static ngx_int_t ngx_quic_handle_streams_blocked_frame(ngx_connection_t *c,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
319 ngx_quic_header_t *pkt, ngx_quic_streams_blocked_frame_t *f);
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
320 static ngx_int_t ngx_quic_handle_stream_data_blocked_frame(ngx_connection_t *c,
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
321 ngx_quic_header_t *pkt, ngx_quic_stream_data_blocked_frame_t *f);
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
322 static ngx_int_t ngx_quic_handle_max_stream_data_frame(ngx_connection_t *c,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
323 ngx_quic_header_t *pkt, ngx_quic_max_stream_data_frame_t *f);
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
324 static ngx_int_t ngx_quic_handle_reset_stream_frame(ngx_connection_t *c,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
325 ngx_quic_header_t *pkt, ngx_quic_reset_stream_frame_t *f);
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
326 static ngx_int_t ngx_quic_handle_stop_sending_frame(ngx_connection_t *c,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
327 ngx_quic_header_t *pkt, ngx_quic_stop_sending_frame_t *f);
8495
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
328 static ngx_int_t ngx_quic_handle_max_streams_frame(ngx_connection_t *c,
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
329 ngx_quic_header_t *pkt, ngx_quic_max_streams_frame_t *f);
8531
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
330 static ngx_int_t ngx_quic_handle_path_challenge_frame(ngx_connection_t *c,
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
331 ngx_quic_header_t *pkt, ngx_quic_path_challenge_frame_t *f);
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
332 static ngx_int_t ngx_quic_handle_new_connection_id_frame(ngx_connection_t *c,
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
333 ngx_quic_header_t *pkt, ngx_quic_new_conn_id_frame_t *f);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
334 static ngx_int_t ngx_quic_retire_connection_id(ngx_connection_t *c,
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
335 enum ssl_encryption_level_t level, uint64_t seqnum);
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
336 static ngx_int_t ngx_quic_handle_retire_connection_id_frame(ngx_connection_t *c,
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
337 ngx_quic_header_t *pkt, ngx_quic_retire_cid_frame_t *f);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
338 static ngx_int_t ngx_quic_issue_server_ids(ngx_connection_t *c);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
339 static void ngx_quic_clear_temp_server_ids(ngx_connection_t *c);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
340 static ngx_quic_server_id_t *ngx_quic_insert_server_id(ngx_connection_t *c,
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
341 ngx_str_t *id);
8627
405b6e8eb523 QUIC: renamed field and function related to client ids.
Roman Arutyunyan <arut@nginx.com>
parents: 8626
diff changeset
342 static ngx_quic_client_id_t *ngx_quic_alloc_client_id(ngx_connection_t *c,
8561
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
343 ngx_quic_connection_t *qc);
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
344 static ngx_quic_server_id_t *ngx_quic_alloc_server_id(ngx_connection_t *c,
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
345 ngx_quic_connection_t *qc);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
346
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
347 static void ngx_quic_queue_frame(ngx_quic_connection_t *qc,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
348 ngx_quic_frame_t *frame);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
349
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
350 static ngx_int_t ngx_quic_output(ngx_connection_t *c);
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
351 static ngx_uint_t ngx_quic_get_padding_level(ngx_connection_t *c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
352 static ngx_int_t ngx_quic_generate_ack(ngx_connection_t *c,
8332
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8331
diff changeset
353 ngx_quic_send_ctx_t *ctx);
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
354 static ssize_t ngx_quic_output_packet(ngx_connection_t *c,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
355 ngx_quic_send_ctx_t *ctx, u_char *data, size_t max, size_t min);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
356 static ngx_int_t ngx_quic_split_frame(ngx_connection_t *c, ngx_quic_frame_t *f,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
357 size_t len);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
358 static void ngx_quic_free_frames(ngx_connection_t *c, ngx_queue_t *frames);
8656
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
359 static ssize_t ngx_quic_send(ngx_connection_t *c, u_char *buf, size_t len);
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
360
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
361 static void ngx_quic_set_packet_number(ngx_quic_header_t *pkt,
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
362 ngx_quic_send_ctx_t *ctx);
8472
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
363 static void ngx_quic_pto_handler(ngx_event_t *ev);
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
364 static void ngx_quic_lost_handler(ngx_event_t *ev);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
365 static ngx_int_t ngx_quic_detect_lost(ngx_connection_t *c);
8697
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
366 static void ngx_quic_set_lost_timer(ngx_connection_t *c);
8556
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
367 static void ngx_quic_resend_frames(ngx_connection_t *c,
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
368 ngx_quic_send_ctx_t *ctx);
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
369 static void ngx_quic_push_handler(ngx_event_t *ev);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
370
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
371 static void ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
372 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel);
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
373 static ngx_quic_stream_t *ngx_quic_find_stream(ngx_rbtree_t *rbtree,
8284
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
374 uint64_t id);
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
375 static ngx_quic_stream_t *ngx_quic_create_client_stream(ngx_connection_t *c,
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
376 uint64_t id);
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
377 static ngx_quic_stream_t *ngx_quic_create_stream(ngx_connection_t *c,
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
378 uint64_t id, size_t rcvbuf_size);
8211
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
379 static ssize_t ngx_quic_stream_recv(ngx_connection_t *c, u_char *buf,
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
380 size_t size);
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
381 static ssize_t ngx_quic_stream_send(ngx_connection_t *c, u_char *buf,
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
382 size_t size);
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
383 static ngx_chain_t *ngx_quic_stream_send_chain(ngx_connection_t *c,
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
384 ngx_chain_t *in, off_t limit);
8509
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
385 static size_t ngx_quic_max_stream_flow(ngx_connection_t *c);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
386 static void ngx_quic_stream_cleanup_handler(void *data);
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
387 static ngx_quic_frame_t *ngx_quic_alloc_frame(ngx_connection_t *c);
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
388 static void ngx_quic_free_frame(ngx_connection_t *c, ngx_quic_frame_t *frame);
8211
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
389
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
390 static void ngx_quic_congestion_ack(ngx_connection_t *c,
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
391 ngx_quic_frame_t *frame);
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
392 static void ngx_quic_congestion_lost(ngx_connection_t *c,
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
393 ngx_quic_frame_t *frame);
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
394
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
395 static ngx_chain_t *ngx_quic_alloc_buf(ngx_connection_t *c);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
396 static void ngx_quic_free_bufs(ngx_connection_t *c, ngx_chain_t *in);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
397 static ngx_chain_t *ngx_quic_copy_buf(ngx_connection_t *c, u_char *data,
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
398 size_t len);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
399 static ngx_chain_t *ngx_quic_copy_chain(ngx_connection_t *c, ngx_chain_t *in,
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
400 size_t limit);
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
401 static ngx_chain_t *ngx_quic_split_bufs(ngx_connection_t *c, ngx_chain_t *in,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
402 size_t len);
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
403
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
404
8674
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
405 static ngx_core_module_t ngx_quic_module_ctx = {
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
406 ngx_string("quic"),
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
407 NULL,
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
408 NULL
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
409 };
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
410
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
411
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
412 ngx_module_t ngx_quic_module = {
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
413 NGX_MODULE_V1,
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
414 &ngx_quic_module_ctx, /* module context */
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
415 NULL, /* module directives */
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
416 NGX_CORE_MODULE, /* module type */
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
417 NULL, /* init master */
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
418 NULL, /* init module */
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
419 NULL, /* init process */
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
420 NULL, /* init thread */
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
421 NULL, /* exit thread */
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
422 NULL, /* exit process */
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
423 NULL, /* exit master */
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
424 NGX_MODULE_V1_PADDING
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
425 };
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
426
2c7f927f7999 QUIC: ngx_quic_module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
427
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
428 static SSL_QUIC_METHOD quic_method = {
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
429 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
430 ngx_quic_set_read_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
431 ngx_quic_set_write_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
432 #else
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
433 ngx_quic_set_encryption_secrets,
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
434 #endif
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
435 ngx_quic_add_handshake_data,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
436 ngx_quic_flush_flight,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
437 ngx_quic_send_alert,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
438 };
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
439
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
440
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
441 #if (NGX_DEBUG)
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
442
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
443 static void
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
444 ngx_quic_log_frame(ngx_log_t *log, ngx_quic_frame_t *f, ngx_uint_t tx)
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
445 {
8613
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8612
diff changeset
446 u_char *p, *last, *pos, *end;
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8612
diff changeset
447 ssize_t n;
8614
3d79c08bb0f1 QUIC: changed ACK frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8613
diff changeset
448 uint64_t gap, range, largest, smallest;
8613
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8612
diff changeset
449 ngx_uint_t i;
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8612
diff changeset
450 u_char buf[NGX_MAX_ERROR_STR];
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
451
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
452 p = buf;
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
453 last = buf + sizeof(buf);
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
454
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
455 switch (f->type) {
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
456
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
457 case NGX_QUIC_FT_CRYPTO:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
458 p = ngx_slprintf(p, last, "CRYPTO len:%uL off:%uL",
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
459 f->u.crypto.length, f->u.crypto.offset);
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
460 break;
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
461
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
462 case NGX_QUIC_FT_PADDING:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
463 p = ngx_slprintf(p, last, "PADDING");
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
464 break;
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
465
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
466 case NGX_QUIC_FT_ACK:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
467 case NGX_QUIC_FT_ACK_ECN:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
468
8614
3d79c08bb0f1 QUIC: changed ACK frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8613
diff changeset
469 p = ngx_slprintf(p, last, "ACK n:%ui delay:%uL ",
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
470 f->u.ack.range_count, f->u.ack.delay);
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
471
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
472 if (f->data) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
473 pos = f->data->buf->pos;
8695
0b3d70fbba99 QUIC: fixed logging ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8694
diff changeset
474 end = f->data->buf->last;
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
475
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
476 } else {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
477 pos = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
478 end = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
479 }
8613
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8612
diff changeset
480
8614
3d79c08bb0f1 QUIC: changed ACK frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8613
diff changeset
481 largest = f->u.ack.largest;
3d79c08bb0f1 QUIC: changed ACK frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8613
diff changeset
482 smallest = f->u.ack.largest - f->u.ack.first_range;
3d79c08bb0f1 QUIC: changed ACK frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8613
diff changeset
483
3d79c08bb0f1 QUIC: changed ACK frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8613
diff changeset
484 if (largest == smallest) {
3d79c08bb0f1 QUIC: changed ACK frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8613
diff changeset
485 p = ngx_slprintf(p, last, "%uL", largest);
3d79c08bb0f1 QUIC: changed ACK frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8613
diff changeset
486
3d79c08bb0f1 QUIC: changed ACK frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8613
diff changeset
487 } else {
3d79c08bb0f1 QUIC: changed ACK frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8613
diff changeset
488 p = ngx_slprintf(p, last, "%uL-%uL", largest, smallest);
3d79c08bb0f1 QUIC: changed ACK frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8613
diff changeset
489 }
3d79c08bb0f1 QUIC: changed ACK frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8613
diff changeset
490
8613
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8612
diff changeset
491 for (i = 0; i < f->u.ack.range_count; i++) {
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8612
diff changeset
492 n = ngx_quic_parse_ack_range(log, pos, end, &gap, &range);
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8612
diff changeset
493 if (n == NGX_ERROR) {
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8612
diff changeset
494 break;
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
495 }
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
496
8613
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8612
diff changeset
497 pos += n;
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8612
diff changeset
498
8614
3d79c08bb0f1 QUIC: changed ACK frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8613
diff changeset
499 largest = smallest - gap - 2;
3d79c08bb0f1 QUIC: changed ACK frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8613
diff changeset
500 smallest = largest - range;
3d79c08bb0f1 QUIC: changed ACK frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8613
diff changeset
501
3d79c08bb0f1 QUIC: changed ACK frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8613
diff changeset
502 if (largest == smallest) {
3d79c08bb0f1 QUIC: changed ACK frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8613
diff changeset
503 p = ngx_slprintf(p, last, " %uL", largest);
3d79c08bb0f1 QUIC: changed ACK frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8613
diff changeset
504
3d79c08bb0f1 QUIC: changed ACK frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8613
diff changeset
505 } else {
3d79c08bb0f1 QUIC: changed ACK frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8613
diff changeset
506 p = ngx_slprintf(p, last, " %uL-%uL", largest, smallest);
3d79c08bb0f1 QUIC: changed ACK frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8613
diff changeset
507 }
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
508 }
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
509
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
510 if (f->type == NGX_QUIC_FT_ACK_ECN) {
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
511 p = ngx_slprintf(p, last, " ECN counters ect0:%uL ect1:%uL ce:%uL",
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
512 f->u.ack.ect0, f->u.ack.ect1, f->u.ack.ce);
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
513 }
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
514 break;
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
515
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
516 case NGX_QUIC_FT_PING:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
517 p = ngx_slprintf(p, last, "PING");
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
518 break;
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
519
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
520 case NGX_QUIC_FT_NEW_CONNECTION_ID:
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
521 p = ngx_slprintf(p, last,
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
522 "NEW_CONNECTION_ID seq:%uL retire:%uL len:%ud",
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
523 f->u.ncid.seqnum, f->u.ncid.retire, f->u.ncid.len);
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
524 break;
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
525
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
526 case NGX_QUIC_FT_RETIRE_CONNECTION_ID:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
527 p = ngx_slprintf(p, last, "RETIRE_CONNECTION_ID seqnum:%uL",
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
528 f->u.retire_cid.sequence_number);
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
529 break;
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
530
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
531 case NGX_QUIC_FT_CONNECTION_CLOSE:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
532 case NGX_QUIC_FT_CONNECTION_CLOSE_APP:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
533 p = ngx_slprintf(p, last, "CONNECTION_CLOSE%s err:%ui",
8692
0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8688
diff changeset
534 f->type == NGX_QUIC_FT_CONNECTION_CLOSE ? "" : "_APP",
0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8688
diff changeset
535 f->u.close.error_code);
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
536
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
537 if (f->u.close.reason.len) {
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
538 p = ngx_slprintf(p, last, " %V", &f->u.close.reason);
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
539 }
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
540
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
541 if (f->type == NGX_QUIC_FT_CONNECTION_CLOSE) {
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
542 p = ngx_slprintf(p, last, " ft:%ui", f->u.close.frame_type);
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
543 }
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
544
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
545 break;
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
546
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
547 case NGX_QUIC_FT_STREAM0:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
548 case NGX_QUIC_FT_STREAM1:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
549 case NGX_QUIC_FT_STREAM2:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
550 case NGX_QUIC_FT_STREAM3:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
551 case NGX_QUIC_FT_STREAM4:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
552 case NGX_QUIC_FT_STREAM5:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
553 case NGX_QUIC_FT_STREAM6:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
554 case NGX_QUIC_FT_STREAM7:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
555
8615
27e305834078 QUIC: changed STREAM frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8614
diff changeset
556 p = ngx_slprintf(p, last, "STREAM id:0x%xL", f->u.stream.stream_id);
27e305834078 QUIC: changed STREAM frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8614
diff changeset
557
27e305834078 QUIC: changed STREAM frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8614
diff changeset
558 if (f->u.stream.off) {
27e305834078 QUIC: changed STREAM frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8614
diff changeset
559 p = ngx_slprintf(p, last, " off:%uL", f->u.stream.offset);
27e305834078 QUIC: changed STREAM frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8614
diff changeset
560 }
27e305834078 QUIC: changed STREAM frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8614
diff changeset
561
27e305834078 QUIC: changed STREAM frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8614
diff changeset
562 if (f->u.stream.len) {
27e305834078 QUIC: changed STREAM frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8614
diff changeset
563 p = ngx_slprintf(p, last, " len:%uL", f->u.stream.length);
27e305834078 QUIC: changed STREAM frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8614
diff changeset
564 }
27e305834078 QUIC: changed STREAM frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8614
diff changeset
565
27e305834078 QUIC: changed STREAM frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8614
diff changeset
566 if (f->u.stream.fin) {
27e305834078 QUIC: changed STREAM frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8614
diff changeset
567 p = ngx_slprintf(p, last, " fin:1");
27e305834078 QUIC: changed STREAM frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8614
diff changeset
568 }
27e305834078 QUIC: changed STREAM frame debugging.
Roman Arutyunyan <arut@nginx.com>
parents: 8614
diff changeset
569
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
570 #ifdef NGX_QUIC_DEBUG_FRAMES
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
571 {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
572 ngx_chain_t *cl;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
573
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
574 p = ngx_slprintf(p, last, " data:");
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
575
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
576 for (cl = f->data; cl; cl = cl->next) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
577 p = ngx_slprintf(p, last, "%*xs",
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
578 cl->buf->last - cl->buf->pos, cl->buf->pos);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
579 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
580 }
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
581 #endif
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
582
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
583 break;
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
584
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
585 case NGX_QUIC_FT_MAX_DATA:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
586 p = ngx_slprintf(p, last, "MAX_DATA max_data:%uL on recv",
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
587 f->u.max_data.max_data);
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
588 break;
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
589
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
590 case NGX_QUIC_FT_RESET_STREAM:
8702
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
591 p = ngx_slprintf(p, last, "RESET_STREAM"
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
592 " id:0x%xL error_code:0x%xL final_size:0x%xL",
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
593 f->u.reset_stream.id, f->u.reset_stream.error_code,
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
594 f->u.reset_stream.final_size);
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
595 break;
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
596
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
597 case NGX_QUIC_FT_STOP_SENDING:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
598 p = ngx_slprintf(p, last, "STOP_SENDING id:0x%xL err:0x%xL",
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
599 f->u.stop_sending.id, f->u.stop_sending.error_code);
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
600 break;
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
601
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
602 case NGX_QUIC_FT_STREAMS_BLOCKED:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
603 case NGX_QUIC_FT_STREAMS_BLOCKED2:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
604 p = ngx_slprintf(p, last, "STREAMS_BLOCKED limit:%uL bidi:%ui",
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
605 f->u.streams_blocked.limit, f->u.streams_blocked.bidi);
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
606 break;
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
607
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
608 case NGX_QUIC_FT_MAX_STREAMS:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
609 case NGX_QUIC_FT_MAX_STREAMS2:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
610 p = ngx_slprintf(p, last, "MAX_STREAMS limit:%uL bidi:%ui",
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
611 f->u.max_streams.limit, f->u.max_streams.bidi);
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
612 break;
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
613
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
614 case NGX_QUIC_FT_MAX_STREAM_DATA:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
615 p = ngx_slprintf(p, last, "MAX_STREAM_DATA id:0x%xL limit:%uL",
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
616 f->u.max_stream_data.id, f->u.max_stream_data.limit);
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
617 break;
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
618
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
619
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
620 case NGX_QUIC_FT_DATA_BLOCKED:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
621 p = ngx_slprintf(p, last, "DATA_BLOCKED limit:%uL",
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
622 f->u.data_blocked.limit);
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
623 break;
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
624
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
625 case NGX_QUIC_FT_STREAM_DATA_BLOCKED:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
626 p = ngx_slprintf(p, last, "STREAM_DATA_BLOCKED id:0x%xL limit:%uL",
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
627 f->u.stream_data_blocked.id,
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
628 f->u.stream_data_blocked.limit);
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
629 break;
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
630
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
631 case NGX_QUIC_FT_PATH_CHALLENGE:
8670
b14338acbf9d QUIC: fixed logging PATH_CHALLENGE/RESPONSE and build with GCC < 5.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8663
diff changeset
632 p = ngx_slprintf(p, last, "PATH_CHALLENGE data:0x%*xs",
b14338acbf9d QUIC: fixed logging PATH_CHALLENGE/RESPONSE and build with GCC < 5.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8663
diff changeset
633 sizeof(f->u.path_challenge.data),
b14338acbf9d QUIC: fixed logging PATH_CHALLENGE/RESPONSE and build with GCC < 5.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8663
diff changeset
634 f->u.path_challenge.data);
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
635 break;
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
636
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
637 case NGX_QUIC_FT_PATH_RESPONSE:
8670
b14338acbf9d QUIC: fixed logging PATH_CHALLENGE/RESPONSE and build with GCC < 5.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8663
diff changeset
638 p = ngx_slprintf(p, last, "PATH_RESPONSE data:0x%*xs",
b14338acbf9d QUIC: fixed logging PATH_CHALLENGE/RESPONSE and build with GCC < 5.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8663
diff changeset
639 sizeof(f->u.path_challenge.data),
b14338acbf9d QUIC: fixed logging PATH_CHALLENGE/RESPONSE and build with GCC < 5.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8663
diff changeset
640 f->u.path_challenge.data);
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
641 break;
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
642
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
643 case NGX_QUIC_FT_NEW_TOKEN:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
644 p = ngx_slprintf(p, last, "NEW_TOKEN");
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
645 break;
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
646
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
647 case NGX_QUIC_FT_HANDSHAKE_DONE:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
648 p = ngx_slprintf(p, last, "HANDSHAKE DONE");
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
649 break;
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
650
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
651 default:
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
652 p = ngx_slprintf(p, last, "unknown type 0x%xi", f->type);
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
653 break;
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
654 }
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
655
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
656 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, log, 0, "quic frame %s %s %*s",
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
657 tx ? "tx" : "rx", ngx_quic_level_name(f->level),
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
658 p - buf, buf);
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
659 }
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
660
8607
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
661
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
662 static void
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
663 ngx_quic_connstate_dbg(ngx_connection_t *c)
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
664 {
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
665 u_char *p, *last;
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
666 ngx_quic_connection_t *qc;
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
667 u_char buf[NGX_MAX_ERROR_STR];
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
668
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
669 p = buf;
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
670 last = p + sizeof(buf);
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
671
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
672 qc = ngx_quic_get_connection(c);
8607
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
673
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
674 p = ngx_slprintf(p, last, "state:");
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
675
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
676 if (qc) {
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
677
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
678 if (qc->error) {
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
679 p = ngx_slprintf(p, last, "%s", qc->error_app ? " app" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
680 p = ngx_slprintf(p, last, " error:%ui", qc->error);
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
681
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
682 if (qc->error_reason) {
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
683 p = ngx_slprintf(p, last, " \"%s\"", qc->error_reason);
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
684 }
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
685 }
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
686
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
687 p = ngx_slprintf(p, last, "%s", qc->closing ? " closing" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
688 p = ngx_slprintf(p, last, "%s", qc->draining ? " draining" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
689 p = ngx_slprintf(p, last, "%s", qc->key_phase ? " kp" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
690 p = ngx_slprintf(p, last, "%s", qc->validated? " valid" : "");
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
691
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
692 } else {
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
693 p = ngx_slprintf(p, last, " early");
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
694 }
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
695
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
696 if (c->read->timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
697 p = ngx_slprintf(p, last,
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
698 qc && qc->send_timer_set ? " send:%M" : " read:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
699 c->read->timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
700 }
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
701
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
702 if (qc) {
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
703
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
704 if (qc->push.timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
705 p = ngx_slprintf(p, last, " push:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
706 qc->push.timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
707 }
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
708
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
709 if (qc->pto.timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
710 p = ngx_slprintf(p, last, " pto:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
711 qc->pto.timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
712 }
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
713
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
714 if (qc->close.timer_set) {
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
715 p = ngx_slprintf(p, last, " close:%M",
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
716 qc->close.timer.key - ngx_current_msec);
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
717 }
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
718 }
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
719
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
720 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
721 "quic %*s", p - buf, buf);
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
722 }
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
723
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
724 #else
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
725
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
726 #define ngx_quic_log_frame(log, f, tx)
8607
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
727 #define ngx_quic_connstate_dbg(c)
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
728
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
729 #endif
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
730
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
731
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
732 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
733
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
734 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
735 ngx_quic_set_read_secret(ngx_ssl_conn_t *ssl_conn,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
736 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
8221
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
737 const uint8_t *rsecret, size_t secret_len)
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
738 {
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
739 ngx_connection_t *c;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
740 ngx_quic_connection_t *qc;
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
741
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
742 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
743 qc = ngx_quic_get_connection(c);
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
744
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
745 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
746 "quic ngx_quic_set_read_secret() level:%d", level);
8578
52ad697f9d1c QUIC: enabled more key-related debug by default.
Vladimir Homutov <vl@nginx.com>
parents: 8577
diff changeset
747 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
748 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
749 "quic read secret len:%uz %*xs", secret_len,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
750 secret_len, rsecret);
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
751 #endif
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
752
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
753 return ngx_quic_keys_set_encryption_secret(c->pool, 0, qc->keys, level,
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
754 cipher, rsecret, secret_len);
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
755 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
756
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
757
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
758 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
759 ngx_quic_set_write_secret(ngx_ssl_conn_t *ssl_conn,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
760 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
8221
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
761 const uint8_t *wsecret, size_t secret_len)
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
762 {
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
763 ngx_connection_t *c;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
764 ngx_quic_connection_t *qc;
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
765
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
766 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
767 qc = ngx_quic_get_connection(c);
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
768
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
769 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
770 "quic ngx_quic_set_write_secret() level:%d", level);
8578
52ad697f9d1c QUIC: enabled more key-related debug by default.
Vladimir Homutov <vl@nginx.com>
parents: 8577
diff changeset
771 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
772 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
773 "quic write secret len:%uz %*xs", secret_len,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
774 secret_len, wsecret);
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
775 #endif
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
776
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
777 return ngx_quic_keys_set_encryption_secret(c->pool, 1, qc->keys, level,
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
778 cipher, wsecret, secret_len);
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
779 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
780
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
781 #else
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
782
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
783 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
784 ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn,
8221
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
785 enum ssl_encryption_level_t level, const uint8_t *rsecret,
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
786 const uint8_t *wsecret, size_t secret_len)
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
787 {
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
788 ngx_connection_t *c;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
789 const SSL_CIPHER *cipher;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
790 ngx_quic_connection_t *qc;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
791
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
792 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
793 qc = ngx_quic_get_connection(c);
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
794
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
795 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
796 "quic ngx_quic_set_encryption_secrets() level:%d", level);
8578
52ad697f9d1c QUIC: enabled more key-related debug by default.
Vladimir Homutov <vl@nginx.com>
parents: 8577
diff changeset
797 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
798 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
799 "quic read secret len:%uz %*xs", secret_len,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
800 secret_len, rsecret);
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
801 #endif
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
802
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
803 cipher = SSL_get_current_cipher(ssl_conn);
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
804
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
805 if (ngx_quic_keys_set_encryption_secret(c->pool, 0, qc->keys, level,
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
806 cipher, rsecret, secret_len)
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
807 != 1)
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
808 {
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
809 return 0;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
810 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
811
8303
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8302
diff changeset
812 if (level == ssl_encryption_early_data) {
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8302
diff changeset
813 return 1;
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8302
diff changeset
814 }
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8302
diff changeset
815
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
816 #ifdef NGX_QUIC_DEBUG_CRYPTO
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
817 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
818 "quic write secret len:%uz %*xs", secret_len,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
819 secret_len, wsecret);
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
820 #endif
8303
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8302
diff changeset
821
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
822 return ngx_quic_keys_set_encryption_secret(c->pool, 1, qc->keys, level,
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
823 cipher, wsecret, secret_len);
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
824 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
825
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
826 #endif
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
827
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
828
8184
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
829 static int
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
830 ngx_quic_add_handshake_data(ngx_ssl_conn_t *ssl_conn,
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
831 enum ssl_encryption_level_t level, const uint8_t *data, size_t len)
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
832 {
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
833 u_char *p, *end;
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
834 size_t client_params_len;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
835 const uint8_t *client_params;
8701
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
836 ngx_quic_tp_t ctp;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
837 ngx_quic_frame_t *frame;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
838 ngx_connection_t *c;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
839 ngx_quic_connection_t *qc;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
840 ngx_quic_frames_stream_t *fs;
8184
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
841
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
842 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
843 qc = ngx_quic_get_connection(c);
8184
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
844
8186
0a2683df5f11 Implemented improved version of quic_output().
Vladimir Homutov <vl@nginx.com>
parents: 8185
diff changeset
845 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
846 "quic ngx_quic_add_handshake_data");
8184
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
847
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
848 if (!qc->client_tp_done) {
8438
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
849 /*
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
850 * things to do once during handshake: check ALPN and transport
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
851 * parameters; we want to break handshake if something is wrong
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
852 * here;
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
853 */
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
854
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
855 #if defined(TLSEXT_TYPE_application_layer_protocol_negotiation)
8482
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
856 if (qc->conf->require_alpn) {
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
857 unsigned int len;
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
858 const unsigned char *data;
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
859
8619
bb3f4f669417 QUIC: passing ssl_conn to SSL_get0_alpn_selected() directly.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8617
diff changeset
860 SSL_get0_alpn_selected(ssl_conn, &data, &len);
8482
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
861
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
862 if (len == 0) {
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
863 qc->error = 0x100 + SSL_AD_NO_APPLICATION_PROTOCOL;
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
864 qc->error_reason = "unsupported protocol in ALPN extension";
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
865
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
866 ngx_log_error(NGX_LOG_INFO, c->log, 0,
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
867 "quic unsupported protocol in ALPN extension");
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
868 return 0;
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
869 }
8438
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
870 }
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
871 #endif
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
872
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
873 SSL_get_peer_quic_transport_params(ssl_conn, &client_params,
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
874 &client_params_len);
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
875
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
876 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
877 "quic SSL_get_peer_quic_transport_params():"
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
878 " params_len:%ui", client_params_len);
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
879
8435
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
880 if (client_params_len == 0) {
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
881 /* quic-tls 8.2 */
8447
97adb87f149b Get rid of hardcoded numbers used for quic handshake errors.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8446
diff changeset
882 qc->error = NGX_QUIC_ERR_CRYPTO(SSL_AD_MISSING_EXTENSION);
8435
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
883 qc->error_reason = "missing transport parameters";
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
884
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
885 ngx_log_error(NGX_LOG_INFO, c->log, 0,
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
886 "missing transport parameters");
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
887 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
888 }
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
889
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
890 p = (u_char *) client_params;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
891 end = p + client_params_len;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
892
8701
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
893 /* defaults for parameters not sent by client */
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
894 ngx_memcpy(&ctp, &qc->ctp, sizeof(ngx_quic_tp_t));
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
895
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
896 if (ngx_quic_parse_transport_params(p, end, &ctp, c->log)
8435
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
897 != NGX_OK)
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
898 {
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
899 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
900 qc->error_reason = "failed to process transport parameters";
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
901
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
902 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
903 }
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
904
8701
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
905 if (ngx_quic_apply_transport_params(c, &ctp) != NGX_OK) {
8435
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
906 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
907 }
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
908
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
909 qc->client_tp_done = 1;
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
910 }
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
911
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
912 fs = &qc->crypto[level];
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
913
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
914 frame = ngx_quic_alloc_frame(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
915 if (frame == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
916 return 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
917 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
918
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
919 frame->data = ngx_quic_copy_buf(c, (u_char *) data, len);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
920 if (frame->data == NGX_CHAIN_ERROR) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
921 return 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
922 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
923
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
924 frame->level = level;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
925 frame->type = NGX_QUIC_FT_CRYPTO;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
926 frame->u.crypto.offset = fs->sent;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
927 frame->u.crypto.length = len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
928
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
929 fs->sent += len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
930
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
931 ngx_quic_queue_frame(qc, frame);
8184
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
932
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
933 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
934 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
935
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
936
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
937 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
938 ngx_quic_flush_flight(ngx_ssl_conn_t *ssl_conn)
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
939 {
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
940 #if (NGX_DEBUG)
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
941 ngx_connection_t *c;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
942
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
943 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
944
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
945 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
946 "quic ngx_quic_flush_flight()");
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
947 #endif
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
948 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
949 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
950
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
951
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
952 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
953 ngx_quic_send_alert(ngx_ssl_conn_t *ssl_conn, enum ssl_encryption_level_t level,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
954 uint8_t alert)
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
955 {
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
956 ngx_connection_t *c;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
957 ngx_quic_connection_t *qc;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
958
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
959 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
960
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
961 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
962 "quic ngx_quic_send_alert() lvl:%d alert:%d",
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
963 (int) level, (int) alert);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
964
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
965 qc = ngx_quic_get_connection(c);
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
966 if (qc == NULL) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
967 return 1;
8235
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8234
diff changeset
968 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8234
diff changeset
969
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
970 qc->error_level = level;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
971 qc->error = NGX_QUIC_ERR_CRYPTO(alert);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
972 qc->error_reason = "TLS alert";
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
973 qc->error_app = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
974 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
975
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
976 if (ngx_quic_send_cc(c) != NGX_OK) {
8235
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8234
diff changeset
977 return 0;
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8234
diff changeset
978 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8234
diff changeset
979
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
980 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
981 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
982
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
983
8701
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
984 static ngx_int_t
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
985 ngx_quic_apply_transport_params(ngx_connection_t *c, ngx_quic_tp_t *ctp)
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
986 {
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
987 ngx_quic_connection_t *qc;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
988
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
989 qc = ngx_quic_get_connection(c);
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
990
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
991 if (qc->scid.len != ctp->initial_scid.len
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
992 || ngx_memcmp(qc->scid.data, ctp->initial_scid.data, qc->scid.len) != 0)
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
993 {
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
994 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
995 "quic client initial_source_connection_id mismatch");
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
996 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
997 }
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
998
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
999 if (ctp->max_udp_payload_size < NGX_QUIC_MIN_INITIAL_SIZE
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1000 || ctp->max_udp_payload_size > NGX_QUIC_MAX_UDP_PAYLOAD_SIZE)
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1001 {
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1002 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1003 qc->error_reason = "invalid maximum packet size";
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1004
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1005 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1006 "quic maximum packet size is invalid");
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1007 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1008
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1009 } else if (ctp->max_udp_payload_size > ngx_quic_max_udp_payload(c)) {
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1010 ctp->max_udp_payload_size = ngx_quic_max_udp_payload(c);
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1011 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8702
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
1012 "quic client maximum packet size truncated");
8701
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1013 }
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1014
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1015 if (ctp->active_connection_id_limit < 2) {
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1016 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1017 qc->error_reason = "invalid active_connection_id_limit";
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1018
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1019 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1020 "quic active_connection_id_limit is invalid");
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1021 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1022 }
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1023
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1024 if (ctp->ack_delay_exponent > 20) {
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1025 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1026 qc->error_reason = "invalid ack_delay_exponent";
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1027
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1028 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1029 "quic ack_delay_exponent is invalid");
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1030 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1031 }
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1032
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1033 if (ctp->max_ack_delay > 16384) {
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1034 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1035 qc->error_reason = "invalid max_ack_delay";
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1036
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1037 ngx_log_error(NGX_LOG_INFO, c->log, 0,
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1038 "quic max_ack_delay is invalid");
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1039 return NGX_ERROR;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1040 }
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1041
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1042 if (ctp->max_idle_timeout > 0
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1043 && ctp->max_idle_timeout < qc->tp.max_idle_timeout)
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1044 {
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1045 qc->tp.max_idle_timeout = ctp->max_idle_timeout;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1046 }
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1047
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1048 qc->streams.server_max_streams_bidi = ctp->initial_max_streams_bidi;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1049 qc->streams.server_max_streams_uni = ctp->initial_max_streams_uni;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1050
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1051 ngx_memcpy(&qc->ctp, ctp, sizeof(ngx_quic_tp_t));
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1052
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1053 return NGX_OK;
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1054 }
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1055
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1056
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1057 void
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
1058 ngx_quic_run(ngx_connection_t *c, ngx_quic_conf_t *conf)
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1059 {
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1060 ngx_int_t rc;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1061 ngx_quic_connection_t *qc;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1062
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1063 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic run");
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1064
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
1065 rc = ngx_quic_input(c, c->buffer, conf);
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
1066 if (rc != NGX_OK) {
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
1067 ngx_quic_close_connection(c, rc == NGX_DECLINED ? NGX_DONE : NGX_ERROR);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1068 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1069 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1070
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1071 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1072
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1073 if (qc == NULL) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1074 ngx_quic_close_connection(c, NGX_DONE);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1075 return;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1076 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1077
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1078 ngx_add_timer(c->read, qc->tp.max_idle_timeout);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1079 ngx_quic_connstate_dbg(c);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1080
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1081 c->read->handler = ngx_quic_input_handler;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1082
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1083 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1084 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1085
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1086
8561
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
1087 static ngx_quic_connection_t *
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
1088 ngx_quic_new_connection(ngx_connection_t *c, ngx_quic_conf_t *conf,
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
1089 ngx_quic_header_t *pkt)
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1090 {
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
1091 ngx_uint_t i;
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
1092 ngx_quic_tp_t *ctp;
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1093 ngx_quic_client_id_t *cid;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1094 ngx_quic_connection_t *qc;
8387
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
1095
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1096 qc = ngx_pcalloc(c->pool, sizeof(ngx_quic_connection_t));
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1097 if (qc == NULL) {
8561
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
1098 return NULL;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1099 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1100
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1101 qc->keys = ngx_quic_keys_new(c->pool);
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1102 if (qc->keys == NULL) {
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1103 return NULL;
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1104 }
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1105
8624
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
1106 qc->version = pkt->version;
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
1107
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1108 ngx_rbtree_init(&qc->streams.tree, &qc->streams.sentinel,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1109 ngx_quic_rbtree_insert_stream);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1110
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1111 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
1112 ngx_queue_init(&qc->send_ctx[i].frames);
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
1113 ngx_queue_init(&qc->send_ctx[i].sent);
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
1114 qc->send_ctx[i].largest_pn = NGX_QUIC_UNSET_PN;
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
1115 qc->send_ctx[i].largest_ack = NGX_QUIC_UNSET_PN;
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
1116 qc->send_ctx[i].largest_range = NGX_QUIC_UNSET_PN;
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
1117 qc->send_ctx[i].pending_ack = NGX_QUIC_UNSET_PN;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
1118 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
1119
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
1120 qc->send_ctx[0].level = ssl_encryption_initial;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
1121 qc->send_ctx[1].level = ssl_encryption_handshake;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
1122 qc->send_ctx[2].level = ssl_encryption_application;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1123
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1124 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1125 ngx_queue_init(&qc->crypto[i].frames);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1126 }
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
1127
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
1128 ngx_queue_init(&qc->free_frames);
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1129 ngx_queue_init(&qc->client_ids);
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1130 ngx_queue_init(&qc->server_ids);
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1131 ngx_queue_init(&qc->free_client_ids);
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1132 ngx_queue_init(&qc->free_server_ids);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
1133
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
1134 qc->avg_rtt = NGX_QUIC_INITIAL_RTT;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
1135 qc->rttvar = NGX_QUIC_INITIAL_RTT / 2;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
1136 qc->min_rtt = NGX_TIMER_INFINITE;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
1137
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
1138 /*
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
1139 * qc->latest_rtt = 0
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1140 * qc->nclient_ids = 0
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1141 * qc->nserver_ids = 0
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1142 * qc->max_retired_seqnum = 0
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
1143 */
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
1144
8477
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
1145 qc->received = pkt->raw->last - pkt->raw->start;
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
1146
8472
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
1147 qc->pto.log = c->log;
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
1148 qc->pto.data = c;
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
1149 qc->pto.handler = ngx_quic_pto_handler;
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
1150 qc->pto.cancelable = 1;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
1151
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
1152 qc->push.log = c->log;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
1153 qc->push.data = c;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
1154 qc->push.handler = ngx_quic_push_handler;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
1155 qc->push.cancelable = 1;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
1156
8481
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 8480
diff changeset
1157 qc->conf = conf;
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 8480
diff changeset
1158 qc->tp = conf->tp;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1159
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1160 if (qc->tp.disable_active_migration) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1161 qc->sockaddr = ngx_palloc(c->pool, c->socklen);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1162 if (qc->sockaddr == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1163 return NULL;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1164 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1165
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1166 ngx_memcpy(qc->sockaddr, c->sockaddr, c->socklen);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1167 qc->socklen = c->socklen;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1168 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1169
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
1170 ctp = &qc->ctp;
8701
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1171
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1172 /* defaults to be used before actual client parameters are received */
8436
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1173 ctp->max_udp_payload_size = ngx_quic_max_udp_payload(c);
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
1174 ctp->ack_delay_exponent = NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT;
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
1175 ctp->max_ack_delay = NGX_QUIC_DEFAULT_MAX_ACK_DELAY;
8701
ba9e34c03968 QUIC: added check of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1176 ctp->active_connection_id_limit = 2;
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
1177
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
1178 qc->streams.recv_max_data = qc->tp.initial_max_data;
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
1179
8496
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
1180 qc->streams.client_max_streams_uni = qc->tp.initial_max_streams_uni;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
1181 qc->streams.client_max_streams_bidi = qc->tp.initial_max_streams_bidi;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
1182
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
1183 qc->congestion.window = ngx_min(10 * qc->tp.max_udp_payload_size,
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
1184 ngx_max(2 * qc->tp.max_udp_payload_size,
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
1185 14720));
8623
8550b91e8e35 QUIC: added proper logging of special values.
Vladimir Homutov <vl@nginx.com>
parents: 8622
diff changeset
1186 qc->congestion.ssthresh = (size_t) -1;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
1187 qc->congestion.recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
1188
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1189 qc->odcid.len = pkt->odcid.len;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1190 qc->odcid.data = ngx_pstrdup(c->pool, &pkt->odcid);
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1191 if (qc->odcid.data == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1192 return NULL;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1193 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1194
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1195 qc->dcid.len = NGX_QUIC_SERVER_CID_LEN;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1196 qc->dcid.data = ngx_pnalloc(c->pool, qc->dcid.len);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1197 if (qc->dcid.data == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1198 return NULL;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1199 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1200
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1201 if (ngx_quic_create_server_id(c, qc->dcid.data) != NGX_OK) {
8561
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
1202 return NULL;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1203 }
8368
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
1204
8561
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
1205 qc->tp.original_dcid = qc->odcid;
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
1206 qc->tp.initial_scid = qc->dcid;
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
1207
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1208 if (pkt->validated && pkt->retried) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1209 qc->tp.retry_scid.len = pkt->dcid.len;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1210 qc->tp.retry_scid.data = ngx_pstrdup(c->pool, &pkt->dcid);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1211 if (qc->tp.retry_scid.data == NULL) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1212 return NULL;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1213 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1214 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1215
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1216 qc->scid.len = pkt->scid.len;
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1217 qc->scid.data = ngx_pstrdup(c->pool, &pkt->scid);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1218 if (qc->scid.data == NULL) {
8561
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
1219 return NULL;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1220 }
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1221
8627
405b6e8eb523 QUIC: renamed field and function related to client ids.
Roman Arutyunyan <arut@nginx.com>
parents: 8626
diff changeset
1222 cid = ngx_quic_alloc_client_id(c, qc);
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1223 if (cid == NULL) {
8561
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
1224 return NULL;
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1225 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1226
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1227 cid->seqnum = 0;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1228 cid->len = pkt->scid.len;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1229 ngx_memcpy(cid->id, pkt->scid.data, pkt->scid.len);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1230
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1231 ngx_queue_insert_tail(&qc->client_ids, &cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1232 qc->nclient_ids++;
8627
405b6e8eb523 QUIC: renamed field and function related to client ids.
Roman Arutyunyan <arut@nginx.com>
parents: 8626
diff changeset
1233 qc->client_seqnum = 0;
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1234
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1235 qc->server_seqnum = NGX_QUIC_UNSET_PN;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1236
8710
44b4c6180106 QUIC: multiple versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8709
diff changeset
1237 if (ngx_quic_keys_set_initial_secret(c->pool, qc->keys, &pkt->dcid,
44b4c6180106 QUIC: multiple versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8709
diff changeset
1238 qc->version)
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1239 != NGX_OK)
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1240 {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1241 return NULL;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1242 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1243
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1244 c->udp = &qc->udp;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1245
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1246 if (ngx_quic_insert_server_id(c, &qc->odcid) == NULL) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1247 return NULL;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1248 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1249
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1250 qc->server_seqnum = 0;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1251
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1252 if (ngx_quic_insert_server_id(c, &qc->dcid) == NULL) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1253 return NULL;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1254 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1255
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1256 qc->validated = pkt->validated;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1257
8561
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
1258 return qc;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1259 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1260
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1261
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1262 static ngx_int_t
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1263 ngx_quic_send_stateless_reset(ngx_connection_t *c, ngx_quic_conf_t *conf,
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1264 ngx_quic_header_t *pkt)
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1265 {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1266 u_char *token;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1267 size_t len, max;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1268 uint16_t rndbytes;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1269 u_char buf[NGX_QUIC_MAX_SR_PACKET];
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1270
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1271 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1272 "quic handle stateless reset output");
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1273
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1274 if (pkt->len <= NGX_QUIC_MIN_PKT_LEN) {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1275 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1276 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1277
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1278 if (pkt->len <= NGX_QUIC_MIN_SR_PACKET) {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1279 len = pkt->len - 1;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1280
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1281 } else {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1282 max = ngx_min(NGX_QUIC_MAX_SR_PACKET, pkt->len * 3);
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1283
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1284 if (RAND_bytes((u_char *) &rndbytes, sizeof(rndbytes)) != 1) {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1285 return NGX_ERROR;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1286 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1287
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1288 len = (rndbytes % (max - NGX_QUIC_MIN_SR_PACKET + 1))
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1289 + NGX_QUIC_MIN_SR_PACKET;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1290 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1291
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1292 if (RAND_bytes(buf, len - NGX_QUIC_SR_TOKEN_LEN) != 1) {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1293 return NGX_ERROR;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1294 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1295
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1296 buf[0] &= ~NGX_QUIC_PKT_LONG;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1297 buf[0] |= NGX_QUIC_PKT_FIXED_BIT;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1298
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1299 token = &buf[len - NGX_QUIC_SR_TOKEN_LEN];
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1300
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1301 if (ngx_quic_new_sr_token(c, &pkt->dcid, conf->sr_token_key, token)
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1302 != NGX_OK)
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1303 {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1304 return NGX_ERROR;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1305 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1306
8656
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
1307 (void) ngx_quic_send(c, buf, len);
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1308
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1309 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1310 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1311
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1312
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1313 static ngx_int_t
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1314 ngx_quic_new_sr_token(ngx_connection_t *c, ngx_str_t *cid, u_char *secret,
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1315 u_char *token)
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1316 {
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1317 ngx_str_t tmp;
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1318
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1319 tmp.data = secret;
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1320 tmp.len = NGX_QUIC_SR_KEY_LEN;
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1321
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1322 if (ngx_quic_derive_key(c->log, "sr_token_key", &tmp, cid, token,
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1323 NGX_QUIC_SR_TOKEN_LEN)
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1324 != NGX_OK)
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1325 {
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1326 return NGX_ERROR;
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1327 }
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1328
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1329 #if (NGX_DEBUG)
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1330 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1331 "quic stateless reset token %*xs",
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1332 (size_t) NGX_QUIC_SR_TOKEN_LEN, token);
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1333 #endif
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1334
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1335 return NGX_OK;
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1336 }
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1337
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1338
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1339 static ngx_int_t
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1340 ngx_quic_process_stateless_reset(ngx_connection_t *c, ngx_quic_header_t *pkt)
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1341 {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1342 u_char *tail, ch;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1343 ngx_uint_t i;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1344 ngx_queue_t *q;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1345 ngx_quic_client_id_t *cid;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1346 ngx_quic_connection_t *qc;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1347
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1348 qc = ngx_quic_get_connection(c);
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1349
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1350 /* A stateless reset uses an entire UDP datagram */
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1351 if (pkt->raw->start != pkt->data) {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1352 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1353 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1354
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1355 tail = pkt->raw->last - NGX_QUIC_SR_TOKEN_LEN;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1356
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1357 for (q = ngx_queue_head(&qc->client_ids);
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1358 q != ngx_queue_sentinel(&qc->client_ids);
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1359 q = ngx_queue_next(q))
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1360 {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1361 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1362
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1363 if (cid->seqnum == 0) {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1364 /* no stateless reset token in initial connection id */
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1365 continue;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1366 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1367
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1368 /* constant time comparison */
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1369
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1370 for (ch = 0, i = 0; i < NGX_QUIC_SR_TOKEN_LEN; i++) {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1371 ch |= tail[i] ^ cid->sr_token[i];
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1372 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1373
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1374 if (ch == 0) {
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1375 return NGX_OK;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1376 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1377 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1378
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1379 return NGX_DECLINED;
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1380 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1381
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1382
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1383 static ngx_int_t
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1384 ngx_quic_negotiate_version(ngx_connection_t *c, ngx_quic_header_t *inpkt)
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1385 {
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1386 size_t len;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1387 ngx_quic_header_t pkt;
8625
4416b7ab0a27 QUIC: multiple versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8624
diff changeset
1388 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1389
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1390 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1391 "sending version negotiation packet");
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1392
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1393 pkt.log = c->log;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1394 pkt.flags = NGX_QUIC_PKT_LONG | NGX_QUIC_PKT_FIXED_BIT;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1395 pkt.dcid = inpkt->scid;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1396 pkt.scid = inpkt->dcid;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1397
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1398 len = ngx_quic_create_version_negotiation(&pkt, buf);
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1399
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1400 #ifdef NGX_QUIC_DEBUG_PACKETS
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1401 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1402 "quic vnego packet to send len:%uz %*xs", len, len, buf);
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1403 #endif
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1404
8656
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
1405 (void) ngx_quic_send(c, buf, len);
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1406
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1407 return NGX_ERROR;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1408 }
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1409
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1410
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1411 static ngx_int_t
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1412 ngx_quic_create_server_id(ngx_connection_t *c, u_char *id)
8368
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
1413 {
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1414 if (RAND_bytes(id, NGX_QUIC_SERVER_CID_LEN) != 1) {
8382
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
1415 return NGX_ERROR;
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
1416 }
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
1417
8676
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1418 #if (NGX_QUIC_BPF)
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1419 if (ngx_quic_bpf_attach_id(c, id) != NGX_OK) {
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1420 ngx_log_error(NGX_LOG_ERR, c->log, 0,
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1421 "quic bpf failed to generate socket key");
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1422 /* ignore error, things still may work */
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1423 }
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1424 #endif
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1425
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1426 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1427 "quic create server id %*xs",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1428 (size_t) NGX_QUIC_SERVER_CID_LEN, id);
8368
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
1429 return NGX_OK;
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
1430 }
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
1431
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
1432
8676
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1433 #if (NGX_QUIC_BPF)
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1434
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1435 static ngx_int_t
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1436 ngx_quic_bpf_attach_id(ngx_connection_t *c, u_char *id)
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1437 {
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1438 int fd;
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1439 uint64_t cookie;
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1440 socklen_t optlen;
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1441
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1442 fd = c->listening->fd;
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1443
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1444 optlen = sizeof(cookie);
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1445
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1446 if (getsockopt(fd, SOL_SOCKET, SO_COOKIE, &cookie, &optlen) == -1) {
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1447 ngx_log_error(NGX_LOG_ERR, c->log, ngx_socket_errno,
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1448 "quic getsockopt(SO_COOKIE) failed");
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1449
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1450 return NGX_ERROR;
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1451 }
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1452
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1453 ngx_quic_dcid_encode_key(id, cookie);
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1454
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1455 return NGX_OK;
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1456 }
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1457
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1458 #endif
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1459
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8674
diff changeset
1460
8368
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
1461 static ngx_int_t
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1462 ngx_quic_send_retry(ngx_connection_t *c, ngx_quic_conf_t *conf,
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1463 ngx_quic_header_t *inpkt)
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1464 {
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1465 time_t expires;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1466 ssize_t len;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1467 ngx_str_t res, token;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1468 ngx_quic_header_t pkt;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1469
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1470 u_char buf[NGX_QUIC_RETRY_BUFFER_SIZE];
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1471 u_char dcid[NGX_QUIC_SERVER_CID_LEN];
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1472
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1473 expires = ngx_time() + NGX_QUIC_RETRY_TOKEN_LIFETIME;
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1474
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1475 if (ngx_quic_new_token(c, conf->av_token_key, &token, &inpkt->dcid,
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1476 expires, 1)
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1477 != NGX_OK)
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1478 {
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1479 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1480 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1481
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1482 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1483 pkt.flags = NGX_QUIC_PKT_FIXED_BIT | NGX_QUIC_PKT_LONG | NGX_QUIC_PKT_RETRY;
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1484 pkt.version = inpkt->version;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1485 pkt.log = c->log;
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1486
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1487 pkt.odcid = inpkt->dcid;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1488 pkt.dcid = inpkt->scid;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1489
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1490 /* TODO: generate routable dcid */
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1491 if (RAND_bytes(dcid, NGX_QUIC_SERVER_CID_LEN) != 1) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1492 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1493 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1494
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1495 pkt.scid.len = NGX_QUIC_SERVER_CID_LEN;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1496 pkt.scid.data = dcid;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1497
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1498 pkt.token = token;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1499
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1500 res.data = buf;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1501
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
1502 if (ngx_quic_encrypt(&pkt, &res) != NGX_OK) {
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1503 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1504 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1505
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1506 #ifdef NGX_QUIC_DEBUG_PACKETS
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1507 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1508 "quic packet to send len:%uz %xV", res.len, &res);
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1509 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1510
8656
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
1511 len = ngx_quic_send(c, res.data, res.len);
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
1512 if (len == NGX_ERROR) {
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1513 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1514 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1515
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1516 ngx_log_debug(NGX_LOG_DEBUG_EVENT, c->log, 0,
8702
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
1517 "quic retry packet sent to %xV", &pkt.dcid);
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1518
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1519 /*
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1520 * quic-transport 17.2.5.1: A server MUST NOT send more than one Retry
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1521 * packet in response to a single UDP datagram.
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1522 * NGX_DONE will stop quic_input() from processing further
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1523 */
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1524 return NGX_DONE;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1525 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1526
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1527
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1528 static ngx_int_t
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1529 ngx_quic_new_token(ngx_connection_t *c, u_char *key, ngx_str_t *token,
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1530 ngx_str_t *odcid, time_t exp, ngx_uint_t is_retry)
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1531 {
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1532 int len, iv_len;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1533 u_char *p, *iv;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1534 EVP_CIPHER_CTX *ctx;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1535 const EVP_CIPHER *cipher;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1536
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1537 u_char in[NGX_QUIC_MAX_TOKEN_SIZE];
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1538
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1539 ngx_quic_address_hash(c, !is_retry, in);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1540
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1541 p = in + 20;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1542
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1543 p = ngx_cpymem(p, &exp, sizeof(time_t));
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1544
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1545 *p++ = is_retry ? 1 : 0;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1546
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1547 if (odcid) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1548 *p++ = odcid->len;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1549 p = ngx_cpymem(p, odcid->data, odcid->len);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1550
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1551 } else {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1552 *p++ = 0;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1553 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1554
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1555 len = p - in;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1556
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1557 cipher = EVP_aes_256_cbc();
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1558 iv_len = EVP_CIPHER_iv_length(cipher);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1559
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1560 token->len = iv_len + len + EVP_CIPHER_block_size(cipher);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1561 token->data = ngx_pnalloc(c->pool, token->len);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1562 if (token->data == NULL) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1563 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1564 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1565
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1566 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1567 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1568 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1569 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1570
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1571 iv = token->data;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1572
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1573 if (RAND_bytes(iv, iv_len) <= 0
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1574 || !EVP_EncryptInit_ex(ctx, cipher, NULL, key, iv))
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1575 {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1576 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1577 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1578 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1579
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1580 token->len = iv_len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1581
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1582 if (EVP_EncryptUpdate(ctx, token->data + token->len, &len, in, len) != 1) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1583 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1584 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1585 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1586
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1587 token->len += len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1588
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1589 if (EVP_EncryptFinal_ex(ctx, token->data + token->len, &len) <= 0) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1590 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1591 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1592 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1593
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1594 token->len += len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1595
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1596 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1597
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1598 #ifdef NGX_QUIC_DEBUG_PACKETS
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1599 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1600 "quic new token len:%uz %xV", token->len, token);
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1601 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1602
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1603 return NGX_OK;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1604 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1605
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1606
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1607 static void
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1608 ngx_quic_address_hash(ngx_connection_t *c, ngx_uint_t no_port, u_char buf[20])
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1609 {
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1610 size_t len;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1611 u_char *data;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1612 ngx_sha1_t sha1;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1613 struct sockaddr_in *sin;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1614 #if (NGX_HAVE_INET6)
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1615 struct sockaddr_in6 *sin6;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1616 #endif
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1617
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1618 len = (size_t) c->socklen;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1619 data = (u_char *) c->sockaddr;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1620
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1621 if (no_port) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1622 switch (c->sockaddr->sa_family) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1623
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1624 #if (NGX_HAVE_INET6)
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1625 case AF_INET6:
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1626 sin6 = (struct sockaddr_in6 *) c->sockaddr;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1627
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1628 len = sizeof(struct in6_addr);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1629 data = sin6->sin6_addr.s6_addr;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1630
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1631 break;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1632 #endif
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1633
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1634 case AF_INET:
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1635 sin = (struct sockaddr_in *) c->sockaddr;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1636
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1637 len = sizeof(in_addr_t);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1638 data = (u_char *) &sin->sin_addr;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1639
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1640 break;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1641 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1642 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1643
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1644 ngx_sha1_init(&sha1);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1645 ngx_sha1_update(&sha1, data, len);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1646 ngx_sha1_final(buf, &sha1);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1647 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1648
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1649
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1650 static ngx_int_t
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1651 ngx_quic_validate_token(ngx_connection_t *c, u_char *key,
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1652 ngx_quic_header_t *pkt)
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1653 {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1654 int len, tlen, iv_len;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1655 u_char *iv, *p;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1656 time_t now, exp;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1657 size_t total;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1658 ngx_str_t odcid;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1659 EVP_CIPHER_CTX *ctx;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1660 const EVP_CIPHER *cipher;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1661
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1662 u_char addr_hash[20];
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1663 u_char tdec[NGX_QUIC_MAX_TOKEN_SIZE];
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1664
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1665 /* Retry token or NEW_TOKEN in a previous connection */
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1666
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1667 cipher = EVP_aes_256_cbc();
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1668 iv = pkt->token.data;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1669 iv_len = EVP_CIPHER_iv_length(cipher);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1670
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1671 /* sanity checks */
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1672
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1673 if (pkt->token.len < (size_t) iv_len + EVP_CIPHER_block_size(cipher)) {
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1674 goto garbage;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1675 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1676
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1677 if (pkt->token.len > (size_t) iv_len + NGX_QUIC_MAX_TOKEN_SIZE) {
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1678 goto garbage;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1679 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1680
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1681 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1682 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1683 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1684 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1685
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1686 if (!EVP_DecryptInit_ex(ctx, cipher, NULL, key, iv)) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1687 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1688 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1689 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1690
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1691 p = pkt->token.data + iv_len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1692 len = pkt->token.len - iv_len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1693
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1694 if (EVP_DecryptUpdate(ctx, tdec, &len, p, len) != 1) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1695 EVP_CIPHER_CTX_free(ctx);
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1696 goto garbage;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1697 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1698 total = len;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1699
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1700 if (EVP_DecryptFinal_ex(ctx, tdec + len, &tlen) <= 0) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1701 EVP_CIPHER_CTX_free(ctx);
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1702 goto garbage;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1703 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1704 total += tlen;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1705
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1706 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1707
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1708 if (total < (20 + sizeof(time_t) + 2)) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1709 goto garbage;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1710 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1711
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1712 p = tdec + 20;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1713
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1714 ngx_memcpy(&exp, p, sizeof(time_t));
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1715 p += sizeof(time_t);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1716
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1717 pkt->retried = (*p++ == 1);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1718
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1719 ngx_quic_address_hash(c, !pkt->retried, addr_hash);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1720
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1721 if (ngx_memcmp(tdec, addr_hash, 20) != 0) {
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1722 goto bad_token;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1723 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1724
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1725 odcid.len = *p++;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1726 if (odcid.len) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1727 if (odcid.len > NGX_QUIC_MAX_CID_LEN) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1728 goto bad_token;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1729 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1730
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1731 if ((size_t)(tdec + total - p) < odcid.len) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1732 goto bad_token;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1733 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1734
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1735 odcid.data = p;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1736 p += odcid.len;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1737 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1738
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1739 now = ngx_time();
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1740
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1741 if (now > exp) {
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1742 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic expired token");
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1743 return NGX_DECLINED;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1744 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1745
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1746 if (odcid.len) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1747 pkt->odcid.len = odcid.len;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1748 pkt->odcid.data = ngx_pstrdup(c->pool, &odcid);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1749 if (pkt->odcid.data == NULL) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1750 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1751 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1752
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1753 } else {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1754 pkt->odcid = pkt->dcid;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1755 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1756
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1757 pkt->validated = 1;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1758
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1759 return NGX_OK;
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1760
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1761 garbage:
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1762
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1763 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic garbage token");
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1764
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1765 return NGX_ABORT;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1766
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1767 bad_token:
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1768
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1769 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic invalid token");
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
1770
8622
183275308d9a QUIC: fixed address validation issues in a new connection.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8621
diff changeset
1771 return NGX_DECLINED;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1772 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1773
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1774
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1775 static ngx_int_t
8221
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
1776 ngx_quic_init_connection(ngx_connection_t *c)
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1777 {
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1778 u_char *p;
8422
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1779 size_t clen;
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1780 ssize_t len;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1781 ngx_ssl_conn_t *ssl_conn;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1782 ngx_quic_connection_t *qc;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1783
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1784 qc = ngx_quic_get_connection(c);
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1785
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
1786 if (ngx_ssl_create_connection(qc->conf->ssl, c, NGX_SSL_BUFFER) != NGX_OK) {
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1787 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1788 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1789
8655
f596a4e5794b QUIC: disabling bidirectional SSL shutdown earlier.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8652
diff changeset
1790 c->ssl->no_wait_shutdown = 1;
f596a4e5794b QUIC: disabling bidirectional SSL shutdown earlier.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8652
diff changeset
1791
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1792 ssl_conn = c->ssl->connection;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1793
8232
253cf267f95a Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents: 8231
diff changeset
1794 if (SSL_set_quic_method(ssl_conn, &quic_method) == 0) {
253cf267f95a Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents: 8231
diff changeset
1795 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1796 "quic SSL_set_quic_method() failed");
8232
253cf267f95a Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents: 8231
diff changeset
1797 return NGX_ERROR;
253cf267f95a Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents: 8231
diff changeset
1798 }
253cf267f95a Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents: 8231
diff changeset
1799
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1800 #ifdef SSL_READ_EARLY_DATA_SUCCESS
8564
b52b2a33b0e5 QUIC: fixed build with OpenSSL after bed310672f39.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8563
diff changeset
1801 if (SSL_CTX_get_max_early_data(qc->conf->ssl->ctx)) {
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1802 SSL_set_quic_early_data_enabled(ssl_conn, 1);
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1803 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1804 #endif
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1805
8717
0a0b1de9ccab QUIC: fixed expected TLS codepoint with final draft and BoringSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8710
diff changeset
1806 #if BORINGSSL_API_VERSION >= 13
0a0b1de9ccab QUIC: fixed expected TLS codepoint with final draft and BoringSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8710
diff changeset
1807 SSL_set_quic_use_legacy_codepoint(ssl_conn, qc->version != 1);
0a0b1de9ccab QUIC: fixed expected TLS codepoint with final draft and BoringSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8710
diff changeset
1808 #endif
0a0b1de9ccab QUIC: fixed expected TLS codepoint with final draft and BoringSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8710
diff changeset
1809
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
1810 if (ngx_quic_new_sr_token(c, &qc->dcid, qc->conf->sr_token_key,
8634
831d1960826f QUIC: generate default stateless reset token key.
Roman Arutyunyan <arut@nginx.com>
parents: 8631
diff changeset
1811 qc->tp.sr_token)
831d1960826f QUIC: generate default stateless reset token key.
Roman Arutyunyan <arut@nginx.com>
parents: 8631
diff changeset
1812 != NGX_OK)
831d1960826f QUIC: generate default stateless reset token key.
Roman Arutyunyan <arut@nginx.com>
parents: 8631
diff changeset
1813 {
831d1960826f QUIC: generate default stateless reset token key.
Roman Arutyunyan <arut@nginx.com>
parents: 8631
diff changeset
1814 return NGX_ERROR;
831d1960826f QUIC: generate default stateless reset token key.
Roman Arutyunyan <arut@nginx.com>
parents: 8631
diff changeset
1815 }
831d1960826f QUIC: generate default stateless reset token key.
Roman Arutyunyan <arut@nginx.com>
parents: 8631
diff changeset
1816
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1817 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1818 "quic stateless reset token %*xs",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1819 (size_t) NGX_QUIC_SR_TOKEN_LEN, qc->tp.sr_token);
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
1820
8422
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1821 len = ngx_quic_create_transport_params(NULL, NULL, &qc->tp, &clen);
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1822 /* always succeeds */
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1823
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1824 p = ngx_pnalloc(c->pool, len);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1825 if (p == NULL) {
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1826 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1827 }
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1828
8422
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1829 len = ngx_quic_create_transport_params(p, p + len, &qc->tp, NULL);
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1830 if (len < 0) {
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1831 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1832 }
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1833
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1834 #ifdef NGX_QUIC_DEBUG_PACKETS
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1835 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1836 "quic transport parameters len:%uz %*xs", len, len, p);
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1837 #endif
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1838
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1839 if (SSL_set_quic_transport_params(ssl_conn, p, len) == 0) {
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1840 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1841 "quic SSL_set_quic_transport_params() failed");
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1842 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1843 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1844
8422
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1845 #if NGX_OPENSSL_QUIC_ZRTT_CTX
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1846 if (SSL_set_quic_early_data_context(ssl_conn, p, clen) == 0) {
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1847 ngx_log_error(NGX_LOG_INFO, c->log, 0,
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1848 "quic SSL_set_quic_early_data_context() failed");
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1849 return NGX_ERROR;
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1850 }
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1851 #endif
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1852
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1853 return NGX_OK;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1854 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1855
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1856
8436
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1857 static ngx_inline size_t
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1858 ngx_quic_max_udp_payload(ngx_connection_t *c)
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1859 {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1860 /* TODO: path MTU discovery */
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1861
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1862 #if (NGX_HAVE_INET6)
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1863 if (c->sockaddr->sa_family == AF_INET6) {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1864 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT6;
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1865 }
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1866 #endif
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1867
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1868 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT;
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1869 }
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1870
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1871
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1872 static void
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1873 ngx_quic_input_handler(ngx_event_t *rev)
8211
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
1874 {
8271
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1875 ssize_t n;
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1876 ngx_int_t rc;
8271
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1877 ngx_buf_t b;
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1878 ngx_connection_t *c;
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1879 ngx_quic_connection_t *qc;
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
1880 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8211
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
1881
8576
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
1882 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, rev->log, 0, "quic input handler");
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
1883
8394
df18ae7161b8 Assorted fixes.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8393
diff changeset
1884 ngx_memzero(&b, sizeof(ngx_buf_t));
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1885 b.start = buf;
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
1886 b.end = buf + sizeof(buf);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1887 b.pos = b.last = b.start;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1888 b.memory = 1;
8211
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
1889
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1890 c = rev->data;
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1891 qc = ngx_quic_get_connection(c);
8211
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
1892
8576
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
1893 c->log->action = "handling quic input";
8212
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents: 8211
diff changeset
1894
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1895 if (rev->timedout) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1896 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1897 "quic client timed out");
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1898 ngx_quic_close_connection(c, NGX_DONE);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1899 return;
8212
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents: 8211
diff changeset
1900 }
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents: 8211
diff changeset
1901
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1902 if (c->close) {
8442
b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8439
diff changeset
1903 qc->error_reason = "graceful shutdown";
b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8439
diff changeset
1904 ngx_quic_close_connection(c, NGX_OK);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1905 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1906 }
8220
7ada2feeac18 Added processing of CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8218
diff changeset
1907
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1908 n = c->recv(c, b.start, b.end - b.start);
8215
38c0898b6df7 HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 8214
diff changeset
1909
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1910 if (n == NGX_AGAIN) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1911 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1912 ngx_quic_close_connection(c, NGX_OK);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1913 }
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1914 return;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1915 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1916
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1917 if (n == NGX_ERROR) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1918 c->read->eof = 1;
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1919 ngx_quic_close_connection(c, NGX_ERROR);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1920 return;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1921 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1922
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1923 if (qc->tp.disable_active_migration) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1924 if (c->socklen != qc->socklen
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1925 || ngx_memcmp(c->sockaddr, qc->sockaddr, c->socklen) != 0)
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1926 {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1927 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1928 "quic dropping packet from new address");
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1929 return;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1930 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1931 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
1932
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1933 b.last += n;
8477
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
1934 qc->received += n;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1935
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
1936 rc = ngx_quic_input(c, &b, NULL);
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1937
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1938 if (rc == NGX_ERROR) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1939 ngx_quic_close_connection(c, NGX_ERROR);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1940 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1941 }
8271
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1942
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1943 if (rc == NGX_DECLINED) {
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1944 return;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1945 }
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1946
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1947 /* rc == NGX_OK */
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1948
8271
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1949 qc->send_timer_set = 0;
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1950 ngx_add_timer(rev, qc->tp.max_idle_timeout);
8607
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
1951
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
1952 ngx_quic_connstate_dbg(c);
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1953 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1954
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1955
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1956 static void
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1957 ngx_quic_close_connection(ngx_connection_t *c, ngx_int_t rc)
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1958 {
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1959 ngx_pool_t *pool;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1960 ngx_quic_connection_t *qc;
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
1961
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1962 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
1963 "quic ngx_quic_close_connection rc:%i", rc);
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1964
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1965 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1966
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1967 if (qc == NULL) {
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1968 if (rc == NGX_ERROR) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1969 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8702
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
1970 "quic close connection early error");
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
1971 }
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1972
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1973 } else if (ngx_quic_close_quic(c, rc) == NGX_AGAIN) {
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1974 return;
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
1975 }
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1976
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1977 if (c->ssl) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1978 (void) ngx_ssl_shutdown(c);
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1979 }
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1980
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1981 if (c->read->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1982 ngx_del_timer(c->read);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1983 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1984
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1985 #if (NGX_STAT_STUB)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1986 (void) ngx_atomic_fetch_add(ngx_stat_active, -1);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1987 #endif
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1988
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1989 c->destroyed = 1;
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1990
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1991 pool = c->pool;
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1992
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1993 ngx_close_connection(c);
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1994
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1995 ngx_destroy_pool(pool);
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1996 }
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1997
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1998
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
1999 static ngx_int_t
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2000 ngx_quic_close_quic(ngx_connection_t *c, ngx_int_t rc)
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2001 {
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2002 ngx_uint_t i;
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2003 ngx_queue_t *q;
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2004 ngx_quic_send_ctx_t *ctx;
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2005 ngx_quic_server_id_t *sid;
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2006 ngx_quic_connection_t *qc;
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2007
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2008 qc = ngx_quic_get_connection(c);
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2009
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2010 if (!qc->closing) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2011
8398
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 8397
diff changeset
2012 /* drop packets from retransmit queues, no ack is expected */
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 8397
diff changeset
2013 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
8652
e9bd4305e68b QUIC: fixed send contexts cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8651
diff changeset
2014 ngx_quic_free_frames(c, &qc->send_ctx[i].sent);
8398
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 8397
diff changeset
2015 }
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 8397
diff changeset
2016
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2017 if (rc == NGX_DONE) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2018
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2019 /*
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2020 * 10.2. Idle Timeout
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2021 *
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2022 * If the idle timeout is enabled by either peer, a connection is
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2023 * silently closed and its state is discarded when it remains idle
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2024 */
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2025
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2026 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2027 "quic closing %s connection",
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2028 qc->draining ? "drained" : "idle");
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2029
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2030 } else {
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2031
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2032 /*
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2033 * 10.3. Immediate Close
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2034 *
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2035 * An endpoint sends a CONNECTION_CLOSE frame (Section 19.19)
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2036 * to terminate the connection immediately.
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2037 */
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2038
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2039 qc->error_level = c->ssl ? SSL_quic_read_level(c->ssl->connection)
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2040 : ssl_encryption_initial;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2041
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2042 if (rc == NGX_OK) {
8702
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
2043 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
2044 "quic immediate close drain:%d",
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
2045 qc->draining);
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2046
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2047 qc->close.log = c->log;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2048 qc->close.data = c;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2049 qc->close.handler = ngx_quic_close_timer_handler;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2050 qc->close.cancelable = 1;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2051
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2052 ctx = ngx_quic_get_send_ctx(qc, qc->error_level);
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2053
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2054 ngx_add_timer(&qc->close, 3 * ngx_quic_pto(c, ctx));
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2055
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2056 qc->error = NGX_QUIC_ERR_NO_ERROR;
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2057
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2058 } else {
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2059 if (qc->error == 0 && !qc->error_app) {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2060 qc->error = NGX_QUIC_ERR_INTERNAL_ERROR;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2061 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2062
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2063 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
2064 "quic immediate close due to %s error: %ui %s",
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2065 qc->error_app ? "app " : "", qc->error,
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2066 qc->error_reason ? qc->error_reason : "");
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2067 }
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2068
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2069 (void) ngx_quic_send_cc(c);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2070
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2071 if (qc->error_level == ssl_encryption_handshake) {
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2072 /* for clients that might not have handshake keys */
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2073 qc->error_level = ssl_encryption_initial;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2074 (void) ngx_quic_send_cc(c);
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
2075 }
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2076 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2077
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2078 qc->closing = 1;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2079 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2080
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2081 if (rc == NGX_ERROR && qc->close.timer_set) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2082 /* do not wait for timer in case of fatal error */
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2083 ngx_del_timer(&qc->close);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2084 }
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2085
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2086 if (ngx_quic_close_streams(c, qc) == NGX_AGAIN) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2087 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2088 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2089
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2090 if (qc->push.timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2091 ngx_del_timer(&qc->push);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2092 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2093
8472
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
2094 if (qc->pto.timer_set) {
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
2095 ngx_del_timer(&qc->pto);
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2096 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2097
8434
ea4899591798 QUIC: Fixed connection cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8433
diff changeset
2098 if (qc->push.posted) {
ea4899591798 QUIC: Fixed connection cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8433
diff changeset
2099 ngx_delete_posted_event(&qc->push);
ea4899591798 QUIC: Fixed connection cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8433
diff changeset
2100 }
ea4899591798 QUIC: Fixed connection cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8433
diff changeset
2101
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2102 while (!ngx_queue_empty(&qc->server_ids)) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2103 q = ngx_queue_head(&qc->server_ids);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2104 sid = ngx_queue_data(q, ngx_quic_server_id_t, queue);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2105
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2106 ngx_queue_remove(q);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2107 ngx_rbtree_delete(&c->listening->rbtree, &sid->udp.node);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2108 qc->nserver_ids--;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2109 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2110
8553
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
2111 if (qc->close.timer_set) {
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
2112 return NGX_AGAIN;
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
2113 }
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
2114
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2115 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2116 "quic part of connection is terminated");
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2117
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2118 /* may be tested from SSL callback during SSL shutdown */
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2119 c->udp = NULL;
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2120
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2121 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2122 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2123
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2124
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2125 void
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2126 ngx_quic_finalize_connection(ngx_connection_t *c, ngx_uint_t err,
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2127 const char *reason)
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2128 {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2129 ngx_quic_connection_t *qc;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2130
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2131 qc = ngx_quic_get_connection(c);
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2132 qc->error = err;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2133 qc->error_reason = reason;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2134 qc->error_app = 1;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2135 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2136
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2137 ngx_quic_close_connection(c, NGX_ERROR);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2138 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2139
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2140
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2141 static void
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2142 ngx_quic_close_timer_handler(ngx_event_t *ev)
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2143 {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2144 ngx_connection_t *c;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2145
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2146 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic close timer");
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2147
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2148 c = ev->data;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2149 ngx_quic_close_connection(c, NGX_DONE);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2150 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2151
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2152
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2153 static ngx_int_t
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2154 ngx_quic_close_streams(ngx_connection_t *c, ngx_quic_connection_t *qc)
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2155 {
8503
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
2156 ngx_event_t *rev, *wev;
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2157 ngx_rbtree_t *tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2158 ngx_rbtree_node_t *node;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2159 ngx_quic_stream_t *qs;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2160
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2161 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2162 ngx_uint_t ns;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2163 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2164
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2165 tree = &qc->streams.tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2166
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2167 if (tree->root == tree->sentinel) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2168 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2169 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2170
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2171 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2172 ns = 0;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2173 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2174
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2175 for (node = ngx_rbtree_min(tree->root, tree->sentinel);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2176 node;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2177 node = ngx_rbtree_next(tree, node))
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2178 {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2179 qs = (ngx_quic_stream_t *) node;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2180
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2181 rev = qs->c->read;
8503
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
2182 rev->error = 1;
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2183 rev->ready = 1;
8503
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
2184
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
2185 wev = qs->c->write;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
2186 wev->error = 1;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
2187 wev->ready = 1;
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2188
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2189 ngx_post_event(rev, &ngx_posted_events);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2190
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2191 if (rev->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2192 ngx_del_timer(rev);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2193 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2194
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2195 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2196 ns++;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2197 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2198 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2199
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2200 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2201 "quic connection has %ui active streams", ns);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2202
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2203 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2204 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2205
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2206
8703
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2207 ngx_int_t
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2208 ngx_quic_reset_stream(ngx_connection_t *c, ngx_uint_t err)
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2209 {
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2210 ngx_event_t *wev;
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2211 ngx_connection_t *pc;
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2212 ngx_quic_frame_t *frame;
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2213 ngx_quic_stream_t *qs;
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2214 ngx_quic_connection_t *qc;
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2215
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2216 qs = c->quic;
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2217 pc = qs->parent;
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2218 qc = ngx_quic_get_connection(pc);
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2219
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2220 frame = ngx_quic_alloc_frame(pc);
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2221 if (frame == NULL) {
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2222 return NGX_ERROR;
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2223 }
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2224
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2225 frame->level = ssl_encryption_application;
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2226 frame->type = NGX_QUIC_FT_RESET_STREAM;
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2227 frame->u.reset_stream.id = qs->id;
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2228 frame->u.reset_stream.error_code = err;
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2229 frame->u.reset_stream.final_size = c->sent;
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2230
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2231 ngx_quic_queue_frame(qc, frame);
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2232
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2233 wev = c->write;
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2234 wev->error = 1;
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2235 wev->ready = 1;
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2236
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2237 return NGX_OK;
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2238 }
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2239
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
2240
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
2241 static ngx_int_t
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
2242 ngx_quic_input(ngx_connection_t *c, ngx_buf_t *b, ngx_quic_conf_t *conf)
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
2243 {
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2244 u_char *p;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2245 ngx_int_t rc;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2246 ngx_uint_t good;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2247 ngx_quic_header_t pkt;
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
2248
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
2249 good = 0;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
2250
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
2251 p = b->pos;
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
2252
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
2253 while (p < b->last) {
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
2254
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2255 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2256 pkt.raw = b;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2257 pkt.data = p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2258 pkt.len = b->last - p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2259 pkt.log = c->log;
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8247
diff changeset
2260 pkt.flags = p[0];
8559
a89a58c642ef QUIC: simplified packet header parsing.
Vladimir Homutov <vl@nginx.com>
parents: 8558
diff changeset
2261 pkt.raw->pos++;
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
2262
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
2263 rc = ngx_quic_process_packet(c, conf, &pkt);
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
2264
8580
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
2265 #if (NGX_DEBUG)
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
2266 if (pkt.parsed) {
8607
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
2267 ngx_log_debug5(NGX_LOG_DEBUG_EVENT, c->log, 0,
8609
f32740ddd484 QUIC: got rid of "pkt" abbreviation in logs.
Vladimir Homutov <vl@nginx.com>
parents: 8608
diff changeset
2268 "quic packet %s done decr:%d pn:%L perr:%ui rc:%i",
8580
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
2269 ngx_quic_level_name(pkt.level), pkt.decrypted,
8607
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
2270 pkt.pn, pkt.error, rc);
8580
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
2271 } else {
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
2272 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8609
f32740ddd484 QUIC: got rid of "pkt" abbreviation in logs.
Vladimir Homutov <vl@nginx.com>
parents: 8608
diff changeset
2273 "quic packet done parse failed rc:%i", rc);
8580
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
2274 }
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
2275 #endif
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
2276
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2277 if (rc == NGX_ERROR) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2278 return NGX_ERROR;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2279 }
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 8205
diff changeset
2280
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2281 if (rc == NGX_DONE) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2282 /* stop further processing */
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2283 return NGX_DECLINED;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2284 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2285
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
2286 if (rc == NGX_OK) {
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
2287 good = 1;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
2288 }
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
2289
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2290 /* NGX_OK || NGX_DECLINED */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2291
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2292 /*
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2293 * we get NGX_DECLINED when there are no keys [yet] available
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2294 * to decrypt packet.
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2295 * Instead of queueing it, we ignore it and rely on the sender's
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2296 * retransmission:
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2297 *
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2298 * 12.2. Coalescing Packets:
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2299 *
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2300 * For example, if decryption fails (because the keys are
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2301 * not available or any other reason), the receiver MAY either
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2302 * discard or buffer the packet for later processing and MUST
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2303 * attempt to process the remaining packets.
8535
eb5aa85294e9 QUIC: discard unrecognized long packes.
Vladimir Homutov <vl@nginx.com>
parents: 8533
diff changeset
2304 *
eb5aa85294e9 QUIC: discard unrecognized long packes.
Vladimir Homutov <vl@nginx.com>
parents: 8533
diff changeset
2305 * We also skip packets that don't match connection state
eb5aa85294e9 QUIC: discard unrecognized long packes.
Vladimir Homutov <vl@nginx.com>
parents: 8533
diff changeset
2306 * or cannot be parsed properly.
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2307 */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2308
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2309 /* b->pos is at header end, adjust by actual packet length */
8558
0f37b4ef3cd9 QUIC: keep the entire packet size in pkt->len.
Roman Arutyunyan <arut@nginx.com>
parents: 8557
diff changeset
2310 b->pos = pkt.data + pkt.len;
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2311
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2312 /* firefox workaround: skip zero padding at the end of quic packet */
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2313 while (b->pos < b->last && *(b->pos) == 0) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2314 b->pos++;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2315 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2316
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2317 p = b->pos;
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
2318 }
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
2319
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
2320 return good ? NGX_OK : NGX_DECLINED;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
2321 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
2322
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
2323
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
2324 static ngx_int_t
8563
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
2325 ngx_quic_process_packet(ngx_connection_t *c, ngx_quic_conf_t *conf,
bed310672f39 QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
2326 ngx_quic_header_t *pkt)
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
2327 {
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
2328 ngx_int_t rc;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
2329 ngx_quic_connection_t *qc;
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2330
8576
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
2331 c->log->action = "parsing quic packet";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
2332
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2333 rc = ngx_quic_parse_packet(pkt);
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2334
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2335 if (rc == NGX_DECLINED || rc == NGX_ERROR) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2336 return rc;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
2337 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
2338
8580
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
2339 pkt->parsed = 1;
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
2340
8576
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
2341 c->log->action = "processing quic packet";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
2342
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
2343 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
2344 "quic packet rx dcid len:%uz %xV",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
2345 pkt->dcid.len, &pkt->dcid);
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
2346
8578
52ad697f9d1c QUIC: enabled more key-related debug by default.
Vladimir Homutov <vl@nginx.com>
parents: 8577
diff changeset
2347 #if (NGX_DEBUG)
52ad697f9d1c QUIC: enabled more key-related debug by default.
Vladimir Homutov <vl@nginx.com>
parents: 8577
diff changeset
2348 if (pkt->level != ssl_encryption_application) {
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
2349 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
2350 "quic packet rx scid len:%uz %xV",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
2351 pkt->scid.len, &pkt->scid);
8578
52ad697f9d1c QUIC: enabled more key-related debug by default.
Vladimir Homutov <vl@nginx.com>
parents: 8577
diff changeset
2352 }
8641
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8639
diff changeset
2353
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8639
diff changeset
2354 if (pkt->level == ssl_encryption_initial) {
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
2355 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
2356 "quic address validation token len:%uz %xV",
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
2357 pkt->token.len, &pkt->token);
8641
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8639
diff changeset
2358 }
8578
52ad697f9d1c QUIC: enabled more key-related debug by default.
Vladimir Homutov <vl@nginx.com>
parents: 8577
diff changeset
2359 #endif
52ad697f9d1c QUIC: enabled more key-related debug by default.
Vladimir Homutov <vl@nginx.com>
parents: 8577
diff changeset
2360
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2361 qc = ngx_quic_get_connection(c);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2362
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2363 if (qc) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2364
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2365 if (rc == NGX_ABORT) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2366 ngx_log_error(NGX_LOG_INFO, c->log, 0,
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2367 "quic unsupported version: 0x%xD", pkt->version);
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2368 return NGX_DECLINED;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2369 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2370
8624
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
2371 if (pkt->level != ssl_encryption_application) {
8688
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
2372
8624
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
2373 if (pkt->version != qc->version) {
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
2374 ngx_log_error(NGX_LOG_INFO, c->log, 0,
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
2375 "quic version mismatch: 0x%xD", pkt->version);
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
2376 return NGX_DECLINED;
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8623
diff changeset
2377 }
8688
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
2378
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
2379 if (ngx_quic_check_csid(qc, pkt) != NGX_OK) {
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
2380 return NGX_DECLINED;
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
2381 }
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
2382
8688
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
2383 } else {
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
2384
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
2385 if (ngx_quic_process_stateless_reset(c, pkt) == NGX_OK) {
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
2386 ngx_log_error(NGX_LOG_INFO, c->log, 0,
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
2387 "quic stateless reset packet detected");
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
2388
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
2389 qc->draining = 1;
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
2390 ngx_quic_close_connection(c, NGX_OK);
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
2391
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
2392 return NGX_OK;
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
2393 }
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2394 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2395
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2396 return ngx_quic_process_payload(c, pkt);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2397 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2398
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2399 /* packet does not belong to a connection */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2400
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2401 if (rc == NGX_ABORT) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2402 return ngx_quic_negotiate_version(c, pkt);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2403 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2404
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2405 if (pkt->level == ssl_encryption_application) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2406 return ngx_quic_send_stateless_reset(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2407 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2408
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2409 if (pkt->level != ssl_encryption_initial) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2410 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2411 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2412
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2413 c->log->action = "processing initial packet";
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2414
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2415 if (pkt->dcid.len < NGX_QUIC_CID_LEN_MIN) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2416 /* 7.2. Negotiating Connection IDs */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2417 ngx_log_error(NGX_LOG_INFO, c->log, 0,
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2418 "quic too short dcid in initial"
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2419 " packet: len:%i", pkt->dcid.len);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2420 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2421 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2422
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2423 /* process retry and initialize connection IDs */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2424
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2425 if (pkt->token.len) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2426
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
2427 rc = ngx_quic_validate_token(c, conf->av_token_key, pkt);
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2428
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2429 if (rc == NGX_ERROR) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2430 /* internal error */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2431 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2432
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2433 } else if (rc == NGX_ABORT) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2434 /* token cannot be decrypted */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2435 return ngx_quic_send_early_cc(c, pkt,
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2436 NGX_QUIC_ERR_INVALID_TOKEN,
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2437 "cannot decrypt token");
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2438 } else if (rc == NGX_DECLINED) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2439 /* token is invalid */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2440
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2441 if (pkt->retried) {
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
2442 /* invalid address validation token */
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2443 return ngx_quic_send_early_cc(c, pkt,
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2444 NGX_QUIC_ERR_INVALID_TOKEN,
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
2445 "invalid address validation token");
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2446 } else if (conf->retry) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2447 /* invalid NEW_TOKEN */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2448 return ngx_quic_send_retry(c, conf, pkt);
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2449 }
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2450 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2451
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2452 /* NGX_OK */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2453
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2454 } else if (conf->retry) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2455 return ngx_quic_send_retry(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2456
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2457 } else {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2458 pkt->odcid = pkt->dcid;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2459 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2460
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2461 if (ngx_terminate || ngx_exiting) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2462 if (conf->retry) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2463 return ngx_quic_send_retry(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2464 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2465
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2466 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2467 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2468
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2469 c->log->action = "creating quic connection";
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2470
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2471 qc = ngx_quic_new_connection(c, conf, pkt);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2472 if (qc == NULL) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2473 return NGX_ERROR;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2474 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2475
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2476 return ngx_quic_process_payload(c, pkt);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2477 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2478
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2479
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2480 static ngx_int_t
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2481 ngx_quic_process_payload(ngx_connection_t *c, ngx_quic_header_t *pkt)
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2482 {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2483 ngx_int_t rc;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2484 ngx_quic_send_ctx_t *ctx;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2485 ngx_quic_connection_t *qc;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2486 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2487
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2488 qc = ngx_quic_get_connection(c);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2489
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2490 qc->error = 0;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2491 qc->error_reason = 0;
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2492
8576
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
2493 c->log->action = "decrypting packet";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
2494
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
2495 if (!ngx_quic_keys_available(qc->keys, pkt->level)) {
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2496 ngx_log_error(NGX_LOG_INFO, c->log, 0,
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2497 "quic no level %d keys yet, ignoring packet", pkt->level);
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2498 return NGX_DECLINED;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2499 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2500
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
2501 pkt->keys = qc->keys;
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2502 pkt->key_phase = qc->key_phase;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
2503 pkt->plaintext = buf;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
2504
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
2505 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
2506
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
2507 rc = ngx_quic_decrypt(pkt, &ctx->largest_pn);
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
2508 if (rc != NGX_OK) {
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
2509 qc->error = pkt->error;
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
2510 qc->error_reason = "failed to decrypt packet";
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
2511 return rc;
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
2512 }
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
2513
8580
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
2514 pkt->decrypted = 1;
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8579
diff changeset
2515
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2516 if (c->ssl == NULL) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2517 if (ngx_quic_init_connection(c) != NGX_OK) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2518 return NGX_ERROR;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2519 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2520 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2521
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2522 if (pkt->level == ssl_encryption_handshake) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2523 /*
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2524 * 4.10.1. The successful use of Handshake packets indicates
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2525 * that no more Initial packets need to be exchanged
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2526 */
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2527 ngx_quic_discard_ctx(c, ssl_encryption_initial);
8611
e2086d8181fa QUIC: added push event afer the address was validated.
Vladimir Homutov <vl@nginx.com>
parents: 8610
diff changeset
2528
e2086d8181fa QUIC: added push event afer the address was validated.
Vladimir Homutov <vl@nginx.com>
parents: 8610
diff changeset
2529 if (qc->validated == 0) {
e2086d8181fa QUIC: added push event afer the address was validated.
Vladimir Homutov <vl@nginx.com>
parents: 8610
diff changeset
2530 qc->validated = 1;
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2531 ngx_post_event(&qc->push, &ngx_posted_events);
8611
e2086d8181fa QUIC: added push event afer the address was validated.
Vladimir Homutov <vl@nginx.com>
parents: 8610
diff changeset
2532 }
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2533 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2534
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2535 if (qc->closing) {
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2536 /*
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2537 * 10.1 Closing and Draining Connection States
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2538 * ... delayed or reordered packets are properly discarded.
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2539 *
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2540 * An endpoint retains only enough information to generate
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2541 * a packet containing a CONNECTION_CLOSE frame and to identify
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2542 * packets as belonging to the connection.
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2543 */
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2544
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2545 qc->error_level = pkt->level;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2546 qc->error = NGX_QUIC_ERR_NO_ERROR;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2547 qc->error_reason = "connection is closing, packet discarded";
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2548 qc->error_ftype = 0;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2549 qc->error_app = 0;
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2550
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2551 return ngx_quic_send_cc(c);
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2552 }
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2553
8603
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2554 pkt->received = ngx_current_msec;
8574
1d4417e4f2d0 QUIC: fixed measuring ACK Delay against 0-RTT packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8573
diff changeset
2555
8576
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
2556 c->log->action = "handling payload";
eacca87c476e QUIC: updated c->log->action strings to reflect proper state.
Vladimir Homutov <vl@nginx.com>
parents: 8575
diff changeset
2557
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2558 if (pkt->level != ssl_encryption_application) {
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2559 return ngx_quic_handle_frames(c, pkt);
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2560 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2561
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
2562 if (!pkt->key_update) {
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2563 return ngx_quic_handle_frames(c, pkt);
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
2564 }
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
2565
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
2566 /* switch keys and generate next on Key Phase change */
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
2567
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
2568 qc->key_phase ^= 1;
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
2569 ngx_quic_keys_switch(c, qc->keys);
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2570
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2571 rc = ngx_quic_handle_frames(c, pkt);
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2572 if (rc != NGX_OK) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2573 return rc;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2574 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2575
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
2576 return ngx_quic_keys_update(c, qc->keys);
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
2577 }
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
2578
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
2579
8561
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
2580 static ngx_int_t
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2581 ngx_quic_send_early_cc(ngx_connection_t *c, ngx_quic_header_t *inpkt,
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2582 ngx_uint_t err, const char *reason)
8561
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
2583 {
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2584 ssize_t len;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2585 ngx_str_t res;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2586 ngx_quic_frame_t frame;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2587 ngx_quic_header_t pkt;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2588
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2589 static u_char src[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2590 static u_char dst[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2591
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2592 ngx_memzero(&frame, sizeof(ngx_quic_frame_t));
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2593 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2594
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2595 frame.level = inpkt->level;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2596 frame.type = NGX_QUIC_FT_CONNECTION_CLOSE;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2597 frame.u.close.error_code = err;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2598
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2599 frame.u.close.reason.data = (u_char *) reason;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2600 frame.u.close.reason.len = ngx_strlen(reason);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2601
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2602 len = ngx_quic_create_frame(NULL, &frame);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2603 if (len > NGX_QUIC_MAX_UDP_PAYLOAD_SIZE) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2604 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2605 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2606
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2607 ngx_quic_log_frame(c->log, &frame, 1);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2608
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2609 len = ngx_quic_create_frame(src, &frame);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2610 if (len == -1) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2611 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2612 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2613
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2614 pkt.keys = ngx_quic_keys_new(c->pool);
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2615 if (pkt.keys == NULL) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2616 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2617 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2618
8710
44b4c6180106 QUIC: multiple versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8709
diff changeset
2619 if (ngx_quic_keys_set_initial_secret(c->pool, pkt.keys, &inpkt->dcid,
44b4c6180106 QUIC: multiple versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8709
diff changeset
2620 inpkt->version)
8561
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
2621 != NGX_OK)
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
2622 {
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
2623 return NGX_ERROR;
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
2624 }
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
2625
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2626 pkt.flags = NGX_QUIC_PKT_FIXED_BIT | NGX_QUIC_PKT_LONG
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2627 | NGX_QUIC_PKT_INITIAL;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2628
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2629 pkt.num_len = 1;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2630 /*
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2631 * pkt.num = 0;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2632 * pkt.trunc = 0;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2633 */
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2634
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2635 pkt.version = inpkt->version;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2636 pkt.log = c->log;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2637 pkt.level = inpkt->level;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2638 pkt.dcid = inpkt->scid;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2639 pkt.scid = inpkt->dcid;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2640 pkt.payload.data = src;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2641 pkt.payload.len = len;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2642
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2643 res.data = dst;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2644
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2645 if (ngx_quic_encrypt(&pkt, &res) != NGX_OK) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2646 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2647 }
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2648
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2649 if (ngx_quic_send(c, res.data, res.len) == NGX_ERROR) {
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2650 return NGX_ERROR;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
2651 }
8561
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
2652
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
2653 return NGX_OK;
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
2654 }
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
2655
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
2656
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2657 static void
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2658 ngx_quic_discard_ctx(ngx_connection_t *c, enum ssl_encryption_level_t level)
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
2659 {
8507
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
2660 ngx_queue_t *q;
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
2661 ngx_quic_frame_t *f;
8339
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
2662 ngx_quic_send_ctx_t *ctx;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
2663 ngx_quic_connection_t *qc;
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
2664
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2665 qc = ngx_quic_get_connection(c);
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
2666
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
2667 if (!ngx_quic_keys_available(qc->keys, level)) {
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2668 return;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2669 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2670
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
2671 ngx_quic_keys_discard(qc->keys, level);
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8620
diff changeset
2672
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2673 qc->pto_count = 0;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2674
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2675 ctx = ngx_quic_get_send_ctx(qc, level);
8507
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
2676
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
2677 while (!ngx_queue_empty(&ctx->sent)) {
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
2678 q = ngx_queue_head(&ctx->sent);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
2679 ngx_queue_remove(q);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
2680
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
2681 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
2682 ngx_quic_congestion_ack(c, f);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
2683 ngx_quic_free_frame(c, f);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
2684 }
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2685
8612
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
2686 while (!ngx_queue_empty(&ctx->frames)) {
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
2687 q = ngx_queue_head(&ctx->frames);
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
2688 ngx_queue_remove(q);
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
2689
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
2690 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
2691 ngx_quic_congestion_ack(c, f);
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
2692 ngx_quic_free_frame(c, f);
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
2693 }
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
2694
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2695 if (level == ssl_encryption_initial) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2696 ngx_quic_clear_temp_server_ids(c);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2697 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2698
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2699 ctx->send_ack = 0;
8697
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
2700
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
2701 ngx_quic_set_lost_timer(c);
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
2702 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
2703
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
2704
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
2705 static ngx_int_t
8688
a346905c359f QUIC: fixed stateless reset recognition and send.
Roman Arutyunyan <arut@nginx.com>
parents: 8687
diff changeset
2706 ngx_quic_check_csid(ngx_quic_connection_t *qc, ngx_quic_header_t *pkt)
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
2707 {
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2708 ngx_queue_t *q;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2709 ngx_quic_client_id_t *cid;
8381
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8380
diff changeset
2710
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2711 for (q = ngx_queue_head(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2712 q != ngx_queue_sentinel(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2713 q = ngx_queue_next(q))
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2714 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2715 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2716
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2717 if (pkt->scid.len == cid->len
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2718 && ngx_memcmp(pkt->scid.data, cid->id, cid->len) == 0)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2719 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2720 return NGX_OK;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2721 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2722 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2723
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2724 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic unexpected quic scid");
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
2725 return NGX_ERROR;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
2726 }
8171
4daf03d2bd0a OpenSSL compatibility.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
2727
4daf03d2bd0a OpenSSL compatibility.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
2728
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2729 static ngx_int_t
8687
1c6343bd7933 QUIC: refactored packet processing.
Roman Arutyunyan <arut@nginx.com>
parents: 8686
diff changeset
2730 ngx_quic_handle_frames(ngx_connection_t *c, ngx_quic_header_t *pkt)
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2731 {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2732 u_char *end, *p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2733 ssize_t len;
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2734 ngx_buf_t buf;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2735 ngx_uint_t do_close;
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2736 ngx_chain_t chain;
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2737 ngx_quic_frame_t frame;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2738 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2739
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2740 qc = ngx_quic_get_connection(c);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2741
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2742 p = pkt->payload.data;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2743 end = p + pkt->payload.len;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2744
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2745 do_close = 0;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2746
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2747 while (p < end) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2748
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
2749 c->log->action = "parsing frames";
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
2750
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2751 ngx_memzero(&buf, sizeof(ngx_buf_t));
8659
d9f673d18e9b QUIC: set the temporary flag for input frame buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8658
diff changeset
2752 buf.temporary = 1;
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2753
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2754 chain.buf = &buf;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2755 chain.next = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2756 frame.data = &chain;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2757
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8239
diff changeset
2758 len = ngx_quic_parse_frame(pkt, p, end, &frame);
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8247
diff changeset
2759
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2760 if (len < 0) {
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2761 qc->error = pkt->error;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2762 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2763 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2764
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
2765 ngx_quic_log_frame(c->log, &frame, 0);
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
2766
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
2767 c->log->action = "handling frames";
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
2768
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2769 p += len;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2770
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2771 switch (frame.type) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2772
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2773 case NGX_QUIC_FT_ACK:
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
2774 if (ngx_quic_handle_ack_frame(c, pkt, &frame) != NGX_OK) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2775 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2776 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2777
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2778 continue;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2779
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2780 case NGX_QUIC_FT_PADDING:
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2781 /* no action required */
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2782 continue;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2783
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2784 case NGX_QUIC_FT_CONNECTION_CLOSE:
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2785 case NGX_QUIC_FT_CONNECTION_CLOSE_APP:
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2786 do_close = 1;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2787 continue;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2788 }
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2789
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2790 /* got there with ack-eliciting packet */
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2791 pkt->need_ack = 1;
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2792
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2793 switch (frame.type) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2794
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2795 case NGX_QUIC_FT_CRYPTO:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2796
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2797 if (ngx_quic_handle_crypto_frame(c, pkt, &frame) != NGX_OK) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2798 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2799 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2800
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2801 break;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2802
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2803 case NGX_QUIC_FT_PING:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2804 break;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2805
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2806 case NGX_QUIC_FT_STREAM0:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2807 case NGX_QUIC_FT_STREAM1:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2808 case NGX_QUIC_FT_STREAM2:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2809 case NGX_QUIC_FT_STREAM3:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2810 case NGX_QUIC_FT_STREAM4:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2811 case NGX_QUIC_FT_STREAM5:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2812 case NGX_QUIC_FT_STREAM6:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2813 case NGX_QUIC_FT_STREAM7:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2814
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2815 if (ngx_quic_handle_stream_frame(c, pkt, &frame) != NGX_OK) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2816 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2817 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2818
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2819 break;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2820
8237
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
2821 case NGX_QUIC_FT_MAX_DATA:
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2822
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2823 if (ngx_quic_handle_max_data_frame(c, &frame.u.max_data) != NGX_OK)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2824 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2825 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2826 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2827
8237
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
2828 break;
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
2829
8236
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
2830 case NGX_QUIC_FT_STREAMS_BLOCKED:
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
2831 case NGX_QUIC_FT_STREAMS_BLOCKED2:
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2832
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2833 if (ngx_quic_handle_streams_blocked_frame(c, pkt,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2834 &frame.u.streams_blocked)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2835 != NGX_OK)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2836 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2837 return NGX_ERROR;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2838 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2839
8236
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
2840 break;
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
2841
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2842 case NGX_QUIC_FT_STREAM_DATA_BLOCKED:
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2843
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2844 if (ngx_quic_handle_stream_data_blocked_frame(c, pkt,
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2845 &frame.u.stream_data_blocked)
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2846 != NGX_OK)
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2847 {
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2848 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2849 }
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2850
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2851 break;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2852
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2853 case NGX_QUIC_FT_MAX_STREAM_DATA:
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2854
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2855 if (ngx_quic_handle_max_stream_data_frame(c, pkt,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2856 &frame.u.max_stream_data)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2857 != NGX_OK)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2858 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2859 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2860 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2861
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2862 break;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2863
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2864 case NGX_QUIC_FT_RESET_STREAM:
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2865
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2866 if (ngx_quic_handle_reset_stream_frame(c, pkt,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2867 &frame.u.reset_stream)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2868 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2869 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2870 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2871 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2872
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2873 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2874
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2875 case NGX_QUIC_FT_STOP_SENDING:
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2876
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2877 if (ngx_quic_handle_stop_sending_frame(c, pkt,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2878 &frame.u.stop_sending)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2879 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2880 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2881 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2882 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2883
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2884 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2885
8495
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2886 case NGX_QUIC_FT_MAX_STREAMS:
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2887 case NGX_QUIC_FT_MAX_STREAMS2:
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2888
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2889 if (ngx_quic_handle_max_streams_frame(c, pkt, &frame.u.max_streams)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2890 != NGX_OK)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2891 {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2892 return NGX_ERROR;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2893 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2894
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2895 break;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2896
8531
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2897 case NGX_QUIC_FT_PATH_CHALLENGE:
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2898
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2899 if (ngx_quic_handle_path_challenge_frame(c, pkt,
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2900 &frame.u.path_challenge)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2901 != NGX_OK)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2902 {
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2903 return NGX_ERROR;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2904 }
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2905
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2906 break;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2907
8325
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2908 case NGX_QUIC_FT_NEW_CONNECTION_ID:
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2909
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2910 if (ngx_quic_handle_new_connection_id_frame(c, pkt, &frame.u.ncid)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2911 != NGX_OK)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2912 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2913 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2914 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2915
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2916 break;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2917
8325
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2918 case NGX_QUIC_FT_RETIRE_CONNECTION_ID:
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2919
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2920 if (ngx_quic_handle_retire_connection_id_frame(c, pkt,
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2921 &frame.u.retire_cid)
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2922 != NGX_OK)
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2923 {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2924 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2925 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2926
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2927 break;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
2928
8325
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2929 case NGX_QUIC_FT_PATH_RESPONSE:
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2930
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2931 /* TODO: handle */
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2932 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2933 "quic frame handler not implemented");
8325
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2934 break;
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2935
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2936 default:
8346
4e4485793418 Added MAX_STREAM_DATA stub handler.
Vladimir Homutov <vl@nginx.com>
parents: 8345
diff changeset
2937 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2938 "quic missing frame handler");
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2939 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2940 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2941 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2942
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2943 if (p != end) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2944 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
2945 "quic trailing garbage in payload:%ui bytes", end - p);
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2946
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2947 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2948 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2949 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2950
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2951 if (do_close) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2952 qc->draining = 1;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2953 ngx_quic_close_connection(c, NGX_OK);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2954 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2955
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2956 if (ngx_quic_ack_packet(c, pkt) != NGX_OK) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2957 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2958 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2959
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2960 return NGX_OK;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2961 }
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2962
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2963
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2964 static ngx_int_t
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2965 ngx_quic_ack_packet(ngx_connection_t *c, ngx_quic_header_t *pkt)
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2966 {
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2967 uint64_t base, largest, smallest, gs, ge, gap, range, pn;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2968 uint64_t prev_pending;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2969 ngx_uint_t i, nr;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2970 ngx_quic_send_ctx_t *ctx;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2971 ngx_quic_ack_range_t *r;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2972 ngx_quic_connection_t *qc;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2973
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2974 c->log->action = "preparing ack";
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2975
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2976 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2977
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2978 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2979
8599
c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack.
Vladimir Homutov <vl@nginx.com>
parents: 8598
diff changeset
2980 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623
8550b91e8e35 QUIC: added proper logging of special values.
Vladimir Homutov <vl@nginx.com>
parents: 8622
diff changeset
2981 "quic ngx_quic_ack_packet pn:%uL largest %L fr:%uL"
8550b91e8e35 QUIC: added proper logging of special values.
Vladimir Homutov <vl@nginx.com>
parents: 8622
diff changeset
2982 " nranges:%ui", pkt->pn, (int64_t) ctx->largest_range,
8599
c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack.
Vladimir Homutov <vl@nginx.com>
parents: 8598
diff changeset
2983 ctx->first_range, ctx->nranges);
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2984
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2985 prev_pending = ctx->pending_ack;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2986
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2987 if (pkt->need_ack) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2988
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2989 ngx_post_event(&qc->push, &ngx_posted_events);
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2990
8603
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2991 if (ctx->send_ack == 0) {
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2992 ctx->ack_delay_start = ngx_current_msec;
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2993 }
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2994
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
2995 ctx->send_ack++;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2996
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
2997 if (ctx->pending_ack == NGX_QUIC_UNSET_PN
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2998 || ctx->pending_ack < pkt->pn)
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
2999 {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3000 ctx->pending_ack = pkt->pn;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3001 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3002 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3003
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3004 base = ctx->largest_range;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3005 pn = pkt->pn;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3006
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
3007 if (base == NGX_QUIC_UNSET_PN) {
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3008 ctx->largest_range = pn;
8603
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
3009 ctx->largest_received = pkt->received;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3010 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3011 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3012
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3013 if (base == pn) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3014 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3015 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3016
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3017 largest = base;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3018 smallest = largest - ctx->first_range;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3019
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3020 if (pn > base) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3021
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3022 if (pn - base == 1) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3023 ctx->first_range++;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3024 ctx->largest_range = pn;
8603
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
3025 ctx->largest_received = pkt->received;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3026
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3027 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3028
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3029 } else {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3030 /* new gap in front of current largest */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3031
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3032 /* no place for new range, send current range as is */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3033 if (ctx->nranges == NGX_QUIC_MAX_RANGES) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3034
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
3035 if (prev_pending != NGX_QUIC_UNSET_PN) {
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3036 if (ngx_quic_send_ack(c, ctx) != NGX_OK) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3037 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3038 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3039 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3040
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3041 if (prev_pending == ctx->pending_ack || !pkt->need_ack) {
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
3042 ctx->pending_ack = NGX_QUIC_UNSET_PN;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3043 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3044 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3045
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3046 gap = pn - base - 2;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3047 range = ctx->first_range;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3048
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3049 ctx->first_range = 0;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3050 ctx->largest_range = pn;
8603
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
3051 ctx->largest_received = pkt->received;
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
3052
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
3053 /* packet is out of order, force send */
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
3054 if (pkt->need_ack) {
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
3055 ctx->send_ack = NGX_QUIC_MAX_ACK_GAP;
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
3056 }
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3057
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3058 i = 0;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3059
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3060 goto insert;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3061 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3062 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3063
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3064 /* pn < base, perform lookup in existing ranges */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3065
8603
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
3066 /* packet is out of order */
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
3067 if (pkt->need_ack) {
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
3068 ctx->send_ack = NGX_QUIC_MAX_ACK_GAP;
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
3069 }
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
3070
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3071 if (pn >= smallest && pn <= largest) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3072 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3073 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3074
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3075 #if (NGX_SUPPRESS_WARN)
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3076 r = NULL;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3077 #endif
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3078
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3079 for (i = 0; i < ctx->nranges; i++) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3080 r = &ctx->ranges[i];
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3081
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3082 ge = smallest - 1;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3083 gs = ge - r->gap;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3084
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3085 if (pn >= gs && pn <= ge) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3086
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3087 if (gs == ge) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3088 /* gap size is exactly one packet, now filled */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3089
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3090 /* data moves to previous range, current is removed */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3091
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3092 if (i == 0) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3093 ctx->first_range += r->range + 2;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3094
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3095 } else {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3096 ctx->ranges[i - 1].range += r->range + 2;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3097 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3098
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3099 nr = ctx->nranges - i - 1;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3100 if (nr) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3101 ngx_memmove(&ctx->ranges[i], &ctx->ranges[i + 1],
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3102 sizeof(ngx_quic_ack_range_t) * nr);
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3103 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3104
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3105 ctx->nranges--;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3106
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3107 } else if (pn == gs) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3108 /* current gap shrinks from tail (current range grows) */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3109 r->gap--;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3110 r->range++;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3111
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3112 } else if (pn == ge) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3113 /* current gap shrinks from head (previous range grows) */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3114 r->gap--;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3115
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3116 if (i == 0) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3117 ctx->first_range++;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3118
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3119 } else {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3120 ctx->ranges[i - 1].range++;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3121 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3122
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3123 } else {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3124 /* current gap is split into two parts */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3125
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3126 gap = ge - pn - 1;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3127 range = 0;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3128
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3129 if (ctx->nranges == NGX_QUIC_MAX_RANGES) {
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
3130 if (prev_pending != NGX_QUIC_UNSET_PN) {
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3131 if (ngx_quic_send_ack(c, ctx) != NGX_OK) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3132 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3133 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3134 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3135
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3136 if (prev_pending == ctx->pending_ack || !pkt->need_ack) {
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
3137 ctx->pending_ack = NGX_QUIC_UNSET_PN;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3138 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3139 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3140
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3141 r->gap = pn - gs - 1;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3142 goto insert;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3143 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3144
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3145 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3146 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3147
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3148 largest = smallest - r->gap - 2;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3149 smallest = largest - r->range;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3150
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3151 if (pn >= smallest && pn <= largest) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3152 /* this packet number is already known */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3153 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3154 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3155
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3156 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3157
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3158 if (pn == smallest - 1) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3159 /* extend first or last range */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3160
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3161 if (i == 0) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3162 ctx->first_range++;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3163
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3164 } else {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3165 r->range++;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3166 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3167
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3168 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3169 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3170
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3171 /* nothing found, add new range at the tail */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3172
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3173 if (ctx->nranges == NGX_QUIC_MAX_RANGES) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3174 /* packet is too old to keep it */
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3175
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3176 if (pkt->need_ack) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3177 return ngx_quic_send_ack_range(c, ctx, pn, pn);
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3178 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3179
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3180 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3181 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3182
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3183 gap = smallest - 2 - pn;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3184 range = 0;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3185
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3186 insert:
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3187
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3188 if (ctx->nranges < NGX_QUIC_MAX_RANGES) {
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3189 ctx->nranges++;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3190 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3191
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3192 ngx_memmove(&ctx->ranges[i + 1], &ctx->ranges[i],
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3193 sizeof(ngx_quic_ack_range_t) * (ctx->nranges - i - 1));
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3194
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3195 ctx->ranges[i].gap = gap;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3196 ctx->ranges[i].range = range;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3197
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3198 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3199 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3200
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3201
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3202 static ngx_int_t
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3203 ngx_quic_send_ack_range(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx,
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3204 uint64_t smallest, uint64_t largest)
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
3205 {
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
3206 ngx_quic_frame_t *frame;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3207
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3208 frame = ngx_quic_alloc_frame(c);
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
3209 if (frame == NULL) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3210 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3211 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3212
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3213 frame->level = ctx->level;
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
3214 frame->type = NGX_QUIC_FT_ACK;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3215 frame->u.ack.largest = largest;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3216 frame->u.ack.delay = 0;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3217 frame->u.ack.range_count = 0;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3218 frame->u.ack.first_range = largest - smallest;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3219
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3220 return NGX_OK;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3221 }
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3222
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3223
8597
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3224 static void
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3225 ngx_quic_drop_ack_ranges(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx,
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3226 uint64_t pn)
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3227 {
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3228 uint64_t base;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3229 ngx_uint_t i, smallest, largest;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3230 ngx_quic_ack_range_t *r;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3231
8599
c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack.
Vladimir Homutov <vl@nginx.com>
parents: 8598
diff changeset
3232 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
3233 "quic ngx_quic_drop_ack_ranges pn:%uL largest:%uL"
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
3234 " fr:%uL nranges:%ui", pn, ctx->largest_range,
8599
c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack.
Vladimir Homutov <vl@nginx.com>
parents: 8598
diff changeset
3235 ctx->first_range, ctx->nranges);
c01964fd7b8b QUIC: fixed dropping output ack ranges on input ack.
Vladimir Homutov <vl@nginx.com>
parents: 8598
diff changeset
3236
8597
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3237 base = ctx->largest_range;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3238
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
3239 if (base == NGX_QUIC_UNSET_PN) {
8597
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3240 return;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3241 }
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3242
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
3243 if (ctx->pending_ack != NGX_QUIC_UNSET_PN && pn >= ctx->pending_ack) {
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
3244 ctx->pending_ack = NGX_QUIC_UNSET_PN;
8597
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3245 }
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3246
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3247 largest = base;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3248 smallest = largest - ctx->first_range;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3249
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3250 if (pn >= largest) {
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
3251 ctx->largest_range = NGX_QUIC_UNSET_PN;
8597
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3252 ctx->first_range = 0;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3253 ctx->nranges = 0;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3254 return;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3255 }
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3256
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3257 if (pn >= smallest) {
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3258 ctx->first_range = largest - pn - 1;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3259 ctx->nranges = 0;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3260 return;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3261 }
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3262
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3263 for (i = 0; i < ctx->nranges; i++) {
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3264 r = &ctx->ranges[i];
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3265
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3266 largest = smallest - r->gap - 2;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3267 smallest = largest - r->range;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3268
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3269 if (pn >= largest) {
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3270 ctx->nranges = i;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3271 return;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3272 }
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3273 if (pn >= smallest) {
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3274 r->range = largest - pn - 1;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3275 ctx->nranges = i + 1;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3276 return;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3277 }
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3278 }
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3279 }
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3280
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3281
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3282 static ngx_int_t
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3283 ngx_quic_send_ack(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx)
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3284 {
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3285 size_t len, left;
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3286 uint64_t ack_delay;
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3287 ngx_buf_t *b;
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3288 ngx_uint_t i;
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3289 ngx_chain_t *cl, **ll;
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3290 ngx_quic_frame_t *frame;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3291 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3292
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3293 qc = ngx_quic_get_connection(c);
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3294
8662
b9ac4752d0e6 QUIC: send and process ack_delay for Initial and Handshake levels.
Roman Arutyunyan <arut@nginx.com>
parents: 8661
diff changeset
3295 ack_delay = ngx_current_msec - ctx->largest_received;
b9ac4752d0e6 QUIC: send and process ack_delay for Initial and Handshake levels.
Roman Arutyunyan <arut@nginx.com>
parents: 8661
diff changeset
3296 ack_delay *= 1000;
8693
3956bbf91002 QUIC: use server ack_delay_exponent when sending ack.
Roman Arutyunyan <arut@nginx.com>
parents: 8692
diff changeset
3297 ack_delay >>= qc->tp.ack_delay_exponent;
8603
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
3298
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3299 frame = ngx_quic_alloc_frame(c);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3300 if (frame == NULL) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3301 return NGX_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3302 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3303
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3304 ll = &frame->data;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3305 b = NULL;
8613
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8612
diff changeset
3306
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8612
diff changeset
3307 for (i = 0; i < ctx->nranges; i++) {
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3308 len = ngx_quic_create_ack_range(NULL, ctx->ranges[i].gap,
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3309 ctx->ranges[i].range);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3310
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3311 left = b ? b->end - b->last : 0;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3312
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3313 if (left < len) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3314 cl = ngx_quic_alloc_buf(c);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3315 if (cl == NULL) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3316 return NGX_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3317 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3318
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3319 *ll = cl;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3320 ll = &cl->next;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3321
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3322 b = cl->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3323 left = b->end - b->last;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3324
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3325 if (left < len) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3326 return NGX_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3327 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3328 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3329
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3330 b->last += ngx_quic_create_ack_range(b->last, ctx->ranges[i].gap,
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3331 ctx->ranges[i].range);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3332
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3333 frame->u.ack.ranges_length += len;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3334 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3335
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3336 *ll = NULL;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3337
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3338 frame->level = ctx->level;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3339 frame->type = NGX_QUIC_FT_ACK;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3340 frame->u.ack.largest = ctx->largest_range;
8603
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8602
diff changeset
3341 frame->u.ack.delay = ack_delay;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3342 frame->u.ack.range_count = ctx->nranges;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3343 frame->u.ack.first_range = ctx->first_range;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
3344
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3345 ngx_quic_queue_frame(qc, frame);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3346
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3347 return NGX_OK;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3348 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3349
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3350
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3351 static ngx_int_t
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
3352 ngx_quic_send_cc(ngx_connection_t *c)
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3353 {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3354 ngx_quic_frame_t *frame;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3355 ngx_quic_connection_t *qc;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3356
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3357 qc = ngx_quic_get_connection(c);
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3358
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3359 if (qc->draining) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3360 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3361 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3362
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3363 if (qc->closing
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3364 && ngx_current_msec - qc->last_cc < NGX_QUIC_CC_MIN_INTERVAL)
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3365 {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3366 /* dot not send CC too often */
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3367 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3368 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3369
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3370 frame = ngx_quic_alloc_frame(c);
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3371 if (frame == NULL) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3372 return NGX_ERROR;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3373 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3374
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
3375 frame->level = qc->error_level;
8692
0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8688
diff changeset
3376 frame->type = qc->error_app ? NGX_QUIC_FT_CONNECTION_CLOSE_APP
0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8688
diff changeset
3377 : NGX_QUIC_FT_CONNECTION_CLOSE;
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
3378 frame->u.close.error_code = qc->error;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
3379 frame->u.close.frame_type = qc->error_ftype;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
3380
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
3381 if (qc->error_reason) {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
3382 frame->u.close.reason.len = ngx_strlen(qc->error_reason);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
3383 frame->u.close.reason.data = (u_char *) qc->error_reason;
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
3384 }
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
3385
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3386 ngx_quic_queue_frame(qc, frame);
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3387
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3388 qc->last_cc = ngx_current_msec;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3389
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3390 return ngx_quic_output(c);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3391 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3392
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3393
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
3394 static ngx_int_t
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3395 ngx_quic_send_new_token(ngx_connection_t *c)
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3396 {
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
3397 time_t expires;
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3398 ngx_str_t token;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3399 ngx_quic_frame_t *frame;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3400 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3401
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3402 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3403
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3404 if (!qc->conf->retry) {
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3405 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3406 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3407
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
3408 expires = ngx_time() + NGX_QUIC_NEW_TOKEN_LIFETIME;
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
3409
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
3410 if (ngx_quic_new_token(c, qc->conf->av_token_key, &token, NULL, expires, 0)
8686
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
3411 != NGX_OK)
dffb66fb783b QUIC: stateless retry.
Vladimir Homutov <vl@nginx.com>
parents: 8676
diff changeset
3412 {
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3413 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3414 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3415
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3416 frame = ngx_quic_alloc_frame(c);
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3417 if (frame == NULL) {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3418 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3419 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3420
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3421 frame->level = ssl_encryption_application;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3422 frame->type = NGX_QUIC_FT_NEW_TOKEN;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3423 frame->u.token.length = token.len;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3424 frame->u.token.data = token.data;
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
3425
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3426 ngx_quic_queue_frame(qc, frame);
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3427
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3428 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3429 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3430
8450
Vladimir Homutov <vl@nginx.com>
parents: 8447
diff changeset
3431
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3432 static ngx_int_t
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3433 ngx_quic_handle_ack_frame(ngx_connection_t *c, ngx_quic_header_t *pkt,
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3434 ngx_quic_frame_t *f)
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3435 {
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
3436 ssize_t n;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
3437 u_char *pos, *end;
8502
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
3438 uint64_t min, max, gap, range;
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
3439 ngx_msec_t send_time;
8502
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
3440 ngx_uint_t i;
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
3441 ngx_quic_send_ctx_t *ctx;
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3442 ngx_quic_ack_frame_t *ack;
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
3443 ngx_quic_connection_t *qc;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
3444
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3445 qc = ngx_quic_get_connection(c);
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
3446
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
3447 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3448
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3449 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
3450 "quic ngx_quic_handle_ack_frame level:%d", pkt->level);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3451
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3452 ack = &f->u.ack;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3453
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3454 /*
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
3455 * If any computed packet number is negative, an endpoint MUST
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
3456 * generate a connection error of type FRAME_ENCODING_ERROR.
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
3457 * (19.3.1)
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3458 */
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3459
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3460 if (ack->first_range > ack->largest) {
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
3461 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3462 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
3463 "quic invalid first range in ack frame");
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3464 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3465 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3466
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3467 min = ack->largest - ack->first_range;
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3468 max = ack->largest;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3469
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3470 if (ngx_quic_handle_ack_frame_range(c, ctx, min, max, &send_time)
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3471 != NGX_OK)
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3472 {
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3473 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3474 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3475
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3476 /* 13.2.3. Receiver Tracking of ACK Frames */
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
3477 if (ctx->largest_ack < max || ctx->largest_ack == NGX_QUIC_UNSET_PN) {
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3478 ctx->largest_ack = max;
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3479 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
3480 "quic updated largest received ack:%uL", max);
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3481
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3482 /*
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3483 * An endpoint generates an RTT sample on receiving an
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3484 * ACK frame that meets the following two conditions:
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3485 *
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3486 * - the largest acknowledged packet number is newly acknowledged
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3487 * - at least one of the newly acknowledged packets was ack-eliciting.
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3488 */
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3489
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3490 if (send_time != NGX_TIMER_INFINITE) {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3491 ngx_quic_rtt_sample(c, ack, pkt->level, send_time);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3492 }
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3493 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3494
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3495 if (f->data) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3496 pos = f->data->buf->pos;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3497 end = f->data->buf->last;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3498
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3499 } else {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3500 pos = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3501 end = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3502 }
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3503
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3504 for (i = 0; i < ack->range_count; i++) {
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3505
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
3506 n = ngx_quic_parse_ack_range(pkt->log, pos, end, &gap, &range);
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3507 if (n == NGX_ERROR) {
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3508 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3509 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3510 pos += n;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3511
8502
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
3512 if (gap + 2 > min) {
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
3513 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3514 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8702
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
3515 "quic invalid range:%ui in ack frame", i);
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3516 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3517 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3518
8502
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
3519 max = min - gap - 2;
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
3520
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
3521 if (range > max) {
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
3522 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3523 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8702
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
3524 "quic invalid range:%ui in ack frame", i);
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3525 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3526 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3527
8502
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
3528 min = max - range;
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3529
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3530 if (ngx_quic_handle_ack_frame_range(c, ctx, min, max, &send_time)
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3531 != NGX_OK)
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3532 {
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3533 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3534 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3535 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3536
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
3537 return ngx_quic_detect_lost(c);
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3538 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3539
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3540
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3541 static ngx_int_t
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3542 ngx_quic_handle_ack_frame_range(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx,
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3543 uint64_t min, uint64_t max, ngx_msec_t *send_time)
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3544 {
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3545 ngx_uint_t found;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3546 ngx_queue_t *q;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3547 ngx_quic_frame_t *f;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3548 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3549
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3550 qc = ngx_quic_get_connection(c);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3551
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3552 *send_time = NGX_TIMER_INFINITE;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3553 found = 0;
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3554
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3555 q = ngx_queue_last(&ctx->sent);
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3556
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3557 while (q != ngx_queue_sentinel(&ctx->sent)) {
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3558
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3559 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3560 q = ngx_queue_prev(q);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3561
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3562 if (f->pnum >= min && f->pnum <= max) {
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3563 ngx_quic_congestion_ack(c, f);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3564
8597
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3565 switch (f->type) {
8600
06af25901b1a QUIC: restored proper usage of ngx_quic_drop_ack_ranges().
Sergey Kandaurov <pluknet@nginx.com>
parents: 8599
diff changeset
3566 case NGX_QUIC_FT_ACK:
06af25901b1a QUIC: restored proper usage of ngx_quic_drop_ack_ranges().
Sergey Kandaurov <pluknet@nginx.com>
parents: 8599
diff changeset
3567 case NGX_QUIC_FT_ACK_ECN:
06af25901b1a QUIC: restored proper usage of ngx_quic_drop_ack_ranges().
Sergey Kandaurov <pluknet@nginx.com>
parents: 8599
diff changeset
3568 ngx_quic_drop_ack_ranges(c, ctx, f->u.ack.largest);
06af25901b1a QUIC: restored proper usage of ngx_quic_drop_ack_ranges().
Sergey Kandaurov <pluknet@nginx.com>
parents: 8599
diff changeset
3569 break;
8597
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3570
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3571 case NGX_QUIC_FT_STREAM0:
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3572 case NGX_QUIC_FT_STREAM1:
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3573 case NGX_QUIC_FT_STREAM2:
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3574 case NGX_QUIC_FT_STREAM3:
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3575 case NGX_QUIC_FT_STREAM4:
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3576 case NGX_QUIC_FT_STREAM5:
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3577 case NGX_QUIC_FT_STREAM6:
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3578 case NGX_QUIC_FT_STREAM7:
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3579 ngx_quic_handle_stream_ack(c, f);
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3580 break;
0351fcf52a03 QUIC: drop acknowledged ranges.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
3581 }
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3582
8663
1823e2152fc4 QUIC: always calculate rtt for largest acknowledged packet.
Roman Arutyunyan <arut@nginx.com>
parents: 8662
diff changeset
3583 if (f->pnum == max) {
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3584 *send_time = f->last;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3585 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3586
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3587 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3588 ngx_quic_free_frame(c, f);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3589 found = 1;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3590 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3591 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3592
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3593 if (!found) {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3594
8437
4e75267865de QUIC: fixed off-by-one in frame range handler.
Vladimir Homutov <vl@nginx.com>
parents: 8436
diff changeset
3595 if (max < ctx->pnum) {
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3596 /* duplicate ACK or ACK for non-ack-eliciting frame */
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
3597 return NGX_OK;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3598 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3599
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3600 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8401
Vladimir Homutov <vl@nginx.com>
parents: 8400
diff changeset
3601 "quic ACK for the packet not sent");
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
3602
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
3603 qc->error = NGX_QUIC_ERR_PROTOCOL_VIOLATION;
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
3604 qc->error_ftype = NGX_QUIC_FT_ACK;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
3605 qc->error_reason = "unknown packet number";
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
3606
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3607 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3608 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3609
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3610 if (!qc->push.timer_set) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3611 ngx_post_event(&qc->push, &ngx_posted_events);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3612 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3613
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3614 qc->pto_count = 0;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3615
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3616 return NGX_OK;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3617 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3618
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3619
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3620 static void
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3621 ngx_quic_rtt_sample(ngx_connection_t *c, ngx_quic_ack_frame_t *ack,
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3622 enum ssl_encryption_level_t level, ngx_msec_t send_time)
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3623 {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3624 ngx_msec_t latest_rtt, ack_delay, adjusted_rtt, rttvar_sample;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3625 ngx_quic_connection_t *qc;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3626
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3627 qc = ngx_quic_get_connection(c);
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3628
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3629 latest_rtt = ngx_current_msec - send_time;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3630 qc->latest_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3631
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3632 if (qc->min_rtt == NGX_TIMER_INFINITE) {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3633 qc->min_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3634 qc->avg_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3635 qc->rttvar = latest_rtt / 2;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3636
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3637 } else {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3638 qc->min_rtt = ngx_min(qc->min_rtt, latest_rtt);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3639
8662
b9ac4752d0e6 QUIC: send and process ack_delay for Initial and Handshake levels.
Roman Arutyunyan <arut@nginx.com>
parents: 8661
diff changeset
3640 ack_delay = ack->delay * (1 << qc->ctp.ack_delay_exponent) / 1000;
b9ac4752d0e6 QUIC: send and process ack_delay for Initial and Handshake levels.
Roman Arutyunyan <arut@nginx.com>
parents: 8661
diff changeset
3641
b9ac4752d0e6 QUIC: send and process ack_delay for Initial and Handshake levels.
Roman Arutyunyan <arut@nginx.com>
parents: 8661
diff changeset
3642 if (c->ssl->handshaked) {
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3643 ack_delay = ngx_min(ack_delay, qc->ctp.max_ack_delay);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3644 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3645
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3646 adjusted_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3647
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3648 if (qc->min_rtt + ack_delay < latest_rtt) {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3649 adjusted_rtt -= ack_delay;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3650 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3651
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3652 qc->avg_rtt = 0.875 * qc->avg_rtt + 0.125 * adjusted_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3653 rttvar_sample = ngx_abs((ngx_msec_int_t) (qc->avg_rtt - adjusted_rtt));
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3654 qc->rttvar = 0.75 * qc->rttvar + 0.25 * rttvar_sample;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3655 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3656
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3657 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
3658 "quic rtt sample latest:%M min:%M avg:%M var:%M",
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3659 latest_rtt, qc->min_rtt, qc->avg_rtt, qc->rttvar);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3660 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3661
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3662
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3663 static ngx_inline ngx_msec_t
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3664 ngx_quic_pto(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx)
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3665 {
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3666 ngx_msec_t duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3667 ngx_quic_connection_t *qc;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3668
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3669 qc = ngx_quic_get_connection(c);
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3670
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3671 /* PTO calculation: quic-recovery, Appendix 8 */
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3672 duration = qc->avg_rtt;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3673
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3674 duration += ngx_max(4 * qc->rttvar, NGX_QUIC_TIME_GRANULARITY);
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3675 duration <<= qc->pto_count;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3676
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3677 if (qc->congestion.in_flight == 0) { /* no in-flight packets */
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3678 return duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3679 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3680
8661
49efd27dace6 QUIC: use client max_ack_delay when computing pto timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8660
diff changeset
3681 if (ctx->level == ssl_encryption_application && c->ssl->handshaked) {
49efd27dace6 QUIC: use client max_ack_delay when computing pto timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8660
diff changeset
3682 duration += qc->ctp.max_ack_delay << qc->pto_count;
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3683 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3684
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3685 return duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3686 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3687
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3688
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
3689 static void
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3690 ngx_quic_handle_stream_ack(ngx_connection_t *c, ngx_quic_frame_t *f)
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3691 {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3692 uint64_t sent, unacked;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3693 ngx_event_t *wev;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3694 ngx_quic_stream_t *sn;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3695 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3696
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3697 qc = ngx_quic_get_connection(c);
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3698
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3699 sn = ngx_quic_find_stream(&qc->streams.tree, f->u.stream.stream_id);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3700 if (sn == NULL) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3701 return;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3702 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3703
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3704 wev = sn->c->write;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3705 sent = sn->c->sent;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3706 unacked = sent - sn->acked;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3707
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3708 if (unacked >= NGX_QUIC_STREAM_BUFSIZE && wev->active) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3709 wev->ready = 1;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3710 ngx_post_event(wev, &ngx_posted_events);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3711 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3712
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3713 sn->acked += f->u.stream.length;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3714
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3715 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, sn->c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
3716 "quic stream ack len:%uL acked:%uL unacked:%uL",
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3717 f->u.stream.length, sn->acked, sent - sn->acked);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3718 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3719
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3720
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3721 static ngx_int_t
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3722 ngx_quic_handle_ordered_frame(ngx_connection_t *c, ngx_quic_frames_stream_t *fs,
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
3723 ngx_quic_frame_t *frame, ngx_quic_frame_handler_pt handler, void *data)
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3724 {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3725 size_t full_len;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3726 ngx_int_t rc;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3727 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3728 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3729
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3730 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3731
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3732 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3733 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
3734 "quic out-of-order frame: expecting:%uL got:%uL",
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3735 fs->received, f->offset);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3736
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3737 return ngx_quic_buffer_frame(c, fs, frame);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3738 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3739
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3740 if (f->offset < fs->received) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3741
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3742 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3743 == NGX_DONE)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3744 {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3745 /* old/duplicate data range */
8566
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3746 return handler == ngx_quic_crypto_input ? NGX_DECLINED : NGX_OK;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3747 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3748
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3749 /* intersecting data range, frame modified */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3750 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3751
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3752 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3753
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
3754 rc = handler(c, frame, data);
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3755 if (rc == NGX_ERROR) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3756 return NGX_ERROR;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3757
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3758 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3759 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3760 return NGX_OK;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3761 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3762
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3763 /* rc == NGX_OK */
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3764
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3765 fs->received += f->length;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3766
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3767 /* now check the queue if we can continue with buffered frames */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3768
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3769 do {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3770 q = ngx_queue_head(&fs->frames);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3771 if (q == ngx_queue_sentinel(&fs->frames)) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3772 break;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3773 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3774
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3775 frame = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3776 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3777
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3778 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3779 /* gap found, nothing more to do */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3780 break;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3781 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3782
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3783 full_len = f->length;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3784
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3785 if (f->offset < fs->received) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3786
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3787 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3788 == NGX_DONE)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3789 {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3790 /* old/duplicate data range */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3791 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3792 fs->total -= f->length;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3793
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3794 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8702
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
3795 "quic skipped buffered frame, total:%ui",
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
3796 fs->total);
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3797 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3798 continue;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3799 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3800
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3801 /* frame was adjusted, proceed to input */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3802 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3803
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3804 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3805
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
3806 rc = handler(c, frame, data);
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3807
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3808 if (rc == NGX_ERROR) {
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3809 return NGX_ERROR;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3810
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3811 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3812 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3813 return NGX_OK;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3814 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3815
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3816 fs->received += f->length;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3817 fs->total -= full_len;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3818
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3819 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3820
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3821 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8702
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
3822 "quic consumed buffered frame, total:%ui", fs->total);
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3823
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3824 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3825
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3826 } while (1);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3827
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3828 return NGX_OK;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3829 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3830
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3831
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3832 static ngx_int_t
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3833 ngx_quic_adjust_frame_offset(ngx_connection_t *c, ngx_quic_frame_t *frame,
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3834 uint64_t offset_in)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3835 {
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3836 size_t tail, n;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3837 ngx_buf_t *b;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3838 ngx_chain_t *cl;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3839 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3840
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3841 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3842
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3843 tail = offset_in - f->offset;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3844
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3845 if (tail >= f->length) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3846 /* range preceeding already received data or duplicate, ignore */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3847
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3848 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3849 "quic old or duplicate data in ordered frame, ignored");
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3850 return NGX_DONE;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3851 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3852
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3853 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3854 "quic adjusted ordered frame data start to expected offset");
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3855
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3856 /* intersecting range: adjust data size */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3857
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3858 f->offset += tail;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3859 f->length -= tail;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3860
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3861 for (cl = frame->data; cl; cl = cl->next) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3862 b = cl->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3863 n = ngx_buf_size(b);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3864
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3865 if (n >= tail) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3866 b->pos += tail;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3867 break;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3868 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3869
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3870 cl->buf->pos = cl->buf->last;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3871 tail -= n;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3872 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3873
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3874 return NGX_OK;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3875 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3876
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3877
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3878 static ngx_int_t
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3879 ngx_quic_buffer_frame(ngx_connection_t *c, ngx_quic_frames_stream_t *fs,
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3880 ngx_quic_frame_t *frame)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3881 {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3882 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3883 ngx_quic_frame_t *dst, *item;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3884 ngx_quic_ordered_frame_t *f, *df;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3885
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3886 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3887 "quic ngx_quic_buffer_frame");
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3888
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3889 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3890
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3891 /* frame start offset is in the future, buffer it */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3892
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3893 dst = ngx_quic_alloc_frame(c);
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3894 if (dst == NULL) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3895 return NGX_ERROR;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3896 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3897
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3898 ngx_memcpy(dst, frame, sizeof(ngx_quic_frame_t));
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3899
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3900 dst->data = ngx_quic_copy_chain(c, frame->data, 0);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3901 if (dst->data == NGX_CHAIN_ERROR) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3902 return NGX_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3903 }
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3904
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3905 df = &dst->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3906
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3907 fs->total += f->length;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3908
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3909 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8702
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
3910 "quic ordered frame with unexpected offset:"
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8701
diff changeset
3911 " buffered total:%ui", fs->total);
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3912
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3913 if (ngx_queue_empty(&fs->frames)) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3914 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3915 return NGX_OK;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3916 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3917
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3918 for (q = ngx_queue_last(&fs->frames);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3919 q != ngx_queue_sentinel(&fs->frames);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3920 q = ngx_queue_prev(q))
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3921 {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3922 item = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3923 f = &item->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3924
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3925 if (f->offset < df->offset) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3926 ngx_queue_insert_after(q, &dst->queue);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3927 return NGX_OK;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3928 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3929 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3930
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3931 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3932
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3933 return NGX_OK;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3934 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3935
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3936
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3937 static ngx_int_t
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
3938 ngx_quic_handle_crypto_frame(ngx_connection_t *c, ngx_quic_header_t *pkt,
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
3939 ngx_quic_frame_t *frame)
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
3940 {
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3941 uint64_t last;
8566
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3942 ngx_int_t rc;
8573
6226f834b420 QUIC: do not resend empty queue when speeding up handshake.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8572
diff changeset
3943 ngx_quic_send_ctx_t *ctx;
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
3944 ngx_quic_connection_t *qc;
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3945 ngx_quic_crypto_frame_t *f;
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
3946 ngx_quic_frames_stream_t *fs;
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
3947
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3948 qc = ngx_quic_get_connection(c);
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
3949 fs = &qc->crypto[pkt->level];
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3950 f = &frame->u.crypto;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3951
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3952 /* no overflow since both values are 62-bit */
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3953 last = f->offset + f->length;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3954
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3955 if (last > fs->received && last - fs->received > NGX_QUIC_MAX_BUFFERED) {
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3956 qc->error = NGX_QUIC_ERR_CRYPTO_BUFFER_EXCEEDED;
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3957 return NGX_ERROR;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3958 }
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
3959
8566
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3960 rc = ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_crypto_input,
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3961 NULL);
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3962 if (rc != NGX_DECLINED) {
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3963 return rc;
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3964 }
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3965
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3966 /* speeding up handshake completion */
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3967
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3968 if (pkt->level == ssl_encryption_initial) {
8573
6226f834b420 QUIC: do not resend empty queue when speeding up handshake.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8572
diff changeset
3969 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
6226f834b420 QUIC: do not resend empty queue when speeding up handshake.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8572
diff changeset
3970
6226f834b420 QUIC: do not resend empty queue when speeding up handshake.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8572
diff changeset
3971 if (!ngx_queue_empty(&ctx->sent)) {
6226f834b420 QUIC: do not resend empty queue when speeding up handshake.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8572
diff changeset
3972 ngx_quic_resend_frames(c, ctx);
8660
6201cef77b1d QUIC: resend handshake packets along with initial.
Roman Arutyunyan <arut@nginx.com>
parents: 8659
diff changeset
3973
6201cef77b1d QUIC: resend handshake packets along with initial.
Roman Arutyunyan <arut@nginx.com>
parents: 8659
diff changeset
3974 ctx = ngx_quic_get_send_ctx(qc, ssl_encryption_handshake);
6201cef77b1d QUIC: resend handshake packets along with initial.
Roman Arutyunyan <arut@nginx.com>
parents: 8659
diff changeset
3975 while (!ngx_queue_empty(&ctx->sent)) {
6201cef77b1d QUIC: resend handshake packets along with initial.
Roman Arutyunyan <arut@nginx.com>
parents: 8659
diff changeset
3976 ngx_quic_resend_frames(c, ctx);
6201cef77b1d QUIC: resend handshake packets along with initial.
Roman Arutyunyan <arut@nginx.com>
parents: 8659
diff changeset
3977 }
8573
6226f834b420 QUIC: do not resend empty queue when speeding up handshake.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8572
diff changeset
3978 }
8566
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3979 }
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3980
9588a2782c62 QUIC: speeding up handshake completion.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8565
diff changeset
3981 return NGX_OK;
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
3982 }
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
3983
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
3984
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
3985 static ngx_int_t
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
3986 ngx_quic_crypto_input(ngx_connection_t *c, ngx_quic_frame_t *frame, void *data)
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3987 {
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3988 int n, sslerr;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3989 ngx_buf_t *b;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3990 ngx_chain_t *cl;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3991 ngx_ssl_conn_t *ssl_conn;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
3992 ngx_quic_connection_t *qc;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3993
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3994 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
3995
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3996 ssl_conn = c->ssl->connection;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3997
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3998 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
3999 "quic SSL_quic_read_level:%d SSL_quic_write_level:%d",
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4000 (int) SSL_quic_read_level(ssl_conn),
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4001 (int) SSL_quic_write_level(ssl_conn));
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4002
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
4003 for (cl = frame->data; cl; cl = cl->next) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
4004 b = cl->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
4005
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
4006 if (!SSL_provide_quic_data(ssl_conn, SSL_quic_read_level(ssl_conn),
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
4007 b->pos, b->last - b->pos))
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
4008 {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
4009 ngx_ssl_error(NGX_LOG_INFO, c->log, 0,
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
4010 "SSL_provide_quic_data() failed");
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
4011 return NGX_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
4012 }
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4013 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4014
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4015 n = SSL_do_handshake(ssl_conn);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4016
8620
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4017 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4018 "quic SSL_quic_read_level:%d SSL_quic_write_level:%d",
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4019 (int) SSL_quic_read_level(ssl_conn),
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4020 (int) SSL_quic_write_level(ssl_conn));
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4021
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4022 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4023
8620
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4024 if (n <= 0) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4025 sslerr = SSL_get_error(ssl_conn, n);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4026
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4027 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d",
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4028 sslerr);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4029
8300
23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8299
diff changeset
4030 if (sslerr != SSL_ERROR_WANT_READ) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4031 ngx_ssl_error(NGX_LOG_ERR, c->log, 0, "SSL_do_handshake() failed");
8300
23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8299
diff changeset
4032 return NGX_ERROR;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4033 }
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
4034
8620
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4035 return NGX_OK;
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4036 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4037
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4038 if (SSL_in_init(ssl_conn)) {
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4039 return NGX_OK;
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4040 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4041
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4042 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4043 "quic ssl cipher:%s", SSL_get_cipher(ssl_conn));
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4044
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4045 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4046 "quic handshake completed successfully");
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4047
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4048 c->ssl->handshaked = 1;
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4049
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
4050 frame = ngx_quic_alloc_frame(c);
8620
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4051 if (frame == NULL) {
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4052 return NGX_ERROR;
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4053 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4054
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4055 /* 12.4 Frames and frame types, figure 8 */
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4056 frame->level = ssl_encryption_application;
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4057 frame->type = NGX_QUIC_FT_HANDSHAKE_DONE;
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4058 ngx_quic_queue_frame(qc, frame);
8620
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4059
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4060 if (ngx_quic_send_new_token(c) != NGX_OK) {
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4061 return NGX_ERROR;
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4062 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4063
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4064 /*
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4065 * Generating next keys before a key update is received.
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4066 * See quic-tls 9.4 Header Protection Timing Side-Channels.
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4067 */
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4068
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4069 if (ngx_quic_keys_update(c, qc->keys) != NGX_OK) {
8620
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4070 return NGX_ERROR;
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4071 }
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4072
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4073 /*
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4074 * 4.10.2 An endpoint MUST discard its handshake keys
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4075 * when the TLS handshake is confirmed
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4076 */
d10118e38943 QUIC: refactored SSL_do_handshake() handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8619
diff changeset
4077 ngx_quic_discard_ctx(c, ssl_encryption_handshake);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4078
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4079 if (ngx_quic_issue_server_ids(c) != NGX_OK) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4080 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4081 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4082
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4083 return NGX_OK;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4084 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4085
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4086
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4087 static ngx_int_t
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4088 ngx_quic_handle_stream_frame(ngx_connection_t *c, ngx_quic_header_t *pkt,
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4089 ngx_quic_frame_t *frame)
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4090 {
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4091 size_t window;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4092 uint64_t last;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4093 ngx_buf_t *b;
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4094 ngx_pool_t *pool;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4095 ngx_connection_t *sc;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4096 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4097 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4098 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4099 ngx_quic_frames_stream_t *fs;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4100
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4101 qc = ngx_quic_get_connection(c);
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4102 f = &frame->u.stream;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4103
8427
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
4104 if ((f->stream_id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
4105 && (f->stream_id & NGX_QUIC_STREAM_SERVER_INITIATED))
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
4106 {
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
4107 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
4108 return NGX_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
4109 }
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
4110
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4111 /* no overflow since both values are 62-bit */
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4112 last = f->offset + f->length;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4113
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4114 sn = ngx_quic_find_stream(&qc->streams.tree, f->stream_id);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4115
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4116 if (sn == NULL) {
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4117 sn = ngx_quic_create_client_stream(c, f->stream_id);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4118
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4119 if (sn == NULL) {
8427
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
4120 return NGX_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
4121 }
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
4122
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4123 if (sn == NGX_QUIC_STREAM_GONE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4124 return NGX_OK;
8496
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4125 }
8337
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
4126
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4127 sc = sn->c;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4128 fs = &sn->fs;
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4129 b = sn->b;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4130 window = b->end - b->last;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4131
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4132 if (last > window) {
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4133 qc->error = NGX_QUIC_ERR_FLOW_CONTROL_ERROR;
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4134 goto cleanup;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4135 }
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4136
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4137 if (ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_stream_input,
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4138 sn)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4139 != NGX_OK)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4140 {
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4141 goto cleanup;
8337
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
4142 }
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
4143
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4144 sc->listening->handler(sc);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4145
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4146 return NGX_OK;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4147 }
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4148
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4149 fs = &sn->fs;
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4150 b = sn->b;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4151 window = (b->pos - b->start) + (b->end - b->last);
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4152
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4153 if (last > fs->received && last - fs->received > window) {
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4154 qc->error = NGX_QUIC_ERR_FLOW_CONTROL_ERROR;
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4155 return NGX_ERROR;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4156 }
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4157
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
4158 return ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_stream_input,
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
4159 sn);
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4160
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4161 cleanup:
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4162
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4163 pool = sc->pool;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4164
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4165 ngx_close_connection(sc);
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4166 ngx_destroy_pool(pool);
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4167
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
4168 return NGX_ERROR;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4169 }
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4170
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4171
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4172 static ngx_int_t
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
4173 ngx_quic_stream_input(ngx_connection_t *c, ngx_quic_frame_t *frame, void *data)
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4174 {
8501
fc16e303003a QUIC: fixed possible use-after-free on stream cleanup.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8500
diff changeset
4175 uint64_t id;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4176 ngx_buf_t *b;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4177 ngx_event_t *rev;
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
4178 ngx_chain_t *cl;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4179 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4180 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4181 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4182
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4183 qc = ngx_quic_get_connection(c);
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
4184 sn = data;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4185
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4186 f = &frame->u.stream;
8501
fc16e303003a QUIC: fixed possible use-after-free on stream cleanup.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8500
diff changeset
4187 id = f->stream_id;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4188
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4189 b = sn->b;
8337
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
4190
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
4191 if ((size_t) ((b->pos - b->start) + (b->end - b->last)) < f->length) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
4192 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
4193 "quic no space in stream buffer");
8337
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
4194 return NGX_ERROR;
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
4195 }
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
4196
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
4197 if ((size_t) (b->end - b->last) < f->length) {
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
4198 b->last = ngx_movemem(b->start, b->pos, b->last - b->pos);
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
4199 b->pos = b->start;
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
4200 }
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
4201
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
4202 for (cl = frame->data; cl; cl = cl->next) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
4203 b->last = ngx_cpymem(b->last, cl->buf->pos,
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
4204 cl->buf->last - cl->buf->pos);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
4205 }
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4206
8294
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 8293
diff changeset
4207 rev = sn->c->read;
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 8293
diff changeset
4208 rev->ready = 1;
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 8293
diff changeset
4209
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 8293
diff changeset
4210 if (f->fin) {
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 8293
diff changeset
4211 rev->pending_eof = 1;
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 8293
diff changeset
4212 }
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4213
8337
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
4214 if (rev->active) {
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
4215 rev->handler(rev);
8314
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
4216 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
4217
8337
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
4218 /* check if stream was destroyed by handler */
8501
fc16e303003a QUIC: fixed possible use-after-free on stream cleanup.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8500
diff changeset
4219 if (ngx_quic_find_stream(&qc->streams.tree, id) == NULL) {
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4220 return NGX_DONE;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4221 }
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4222
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4223 return NGX_OK;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4224 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4226
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
4227 static ngx_int_t
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4228 ngx_quic_handle_max_data_frame(ngx_connection_t *c,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4229 ngx_quic_max_data_frame_t *f)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4230 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4231 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4232 ngx_rbtree_t *tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4233 ngx_rbtree_node_t *node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4234 ngx_quic_stream_t *qs;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4235 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4236
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4237 qc = ngx_quic_get_connection(c);
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4238 tree = &qc->streams.tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4239
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4240 if (f->max_data <= qc->streams.send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4241 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4242 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4243
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4244 if (qc->streams.sent >= qc->streams.send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4245
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4246 for (node = ngx_rbtree_min(tree->root, tree->sentinel);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4247 node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4248 node = ngx_rbtree_next(tree, node))
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4249 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4250 qs = (ngx_quic_stream_t *) node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4251 wev = qs->c->write;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4252
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4253 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4254 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4255 ngx_post_event(wev, &ngx_posted_events);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4256 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4257 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4258 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4259
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4260 qc->streams.send_max_data = f->max_data;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4261
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4262 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4263 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4264
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4265
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4266 static ngx_int_t
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
4267 ngx_quic_handle_streams_blocked_frame(ngx_connection_t *c,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
4268 ngx_quic_header_t *pkt, ngx_quic_streams_blocked_frame_t *f)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
4269 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
4270 return NGX_OK;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
4271 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
4272
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
4273
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4274 static ngx_int_t
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4275 ngx_quic_handle_stream_data_blocked_frame(ngx_connection_t *c,
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4276 ngx_quic_header_t *pkt, ngx_quic_stream_data_blocked_frame_t *f)
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4277 {
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4278 size_t n;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4279 ngx_buf_t *b;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4280 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4281 ngx_quic_stream_t *sn;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4282 ngx_quic_connection_t *qc;
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4283
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4284 qc = ngx_quic_get_connection(c);
8429
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
4285
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
4286 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
4287 && (f->id & NGX_QUIC_STREAM_SERVER_INITIATED))
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
4288 {
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
4289 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
4290 return NGX_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
4291 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
4292
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4293 sn = ngx_quic_find_stream(&qc->streams.tree, f->id);
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4294
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4295 if (sn == NULL) {
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4296 sn = ngx_quic_create_client_stream(c, f->id);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4297
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4298 if (sn == NULL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4299 return NGX_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4300 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4301
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4302 if (sn == NGX_QUIC_STREAM_GONE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4303 return NGX_OK;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4304 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4305
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4306 b = sn->b;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4307 n = b->end - b->last;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4308
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4309 sn->c->listening->handler(sn->c);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4310
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4311 } else {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4312 b = sn->b;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4313 n = sn->fs.received + (b->pos - b->start) + (b->end - b->last);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4314 }
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4315
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
4316 frame = ngx_quic_alloc_frame(c);
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4317 if (frame == NULL) {
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4318 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4319 }
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4320
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4321 frame->level = pkt->level;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4322 frame->type = NGX_QUIC_FT_MAX_STREAM_DATA;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4323 frame->u.max_stream_data.id = f->id;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4324 frame->u.max_stream_data.limit = n;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4325
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4326 ngx_quic_queue_frame(qc, frame);
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4327
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4328 return NGX_OK;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4329 }
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4330
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4331
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4332 static ngx_int_t
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4333 ngx_quic_handle_max_stream_data_frame(ngx_connection_t *c,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4334 ngx_quic_header_t *pkt, ngx_quic_max_stream_data_frame_t *f)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4335 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4336 uint64_t sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4337 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4338 ngx_quic_stream_t *sn;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4339 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4340
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4341 qc = ngx_quic_get_connection(c);
8429
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
4342
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
4343 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
4344 && (f->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0)
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
4345 {
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
4346 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
4347 return NGX_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
4348 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
4349
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4350 sn = ngx_quic_find_stream(&qc->streams.tree, f->id);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4351
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4352 if (sn == NULL) {
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4353 sn = ngx_quic_create_client_stream(c, f->id);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4354
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4355 if (sn == NULL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4356 return NGX_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4357 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4358
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4359 if (sn == NGX_QUIC_STREAM_GONE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4360 return NGX_OK;
8429
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
4361 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
4362
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4363 if (f->limit > sn->send_max_data) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4364 sn->send_max_data = f->limit;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4365 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4366
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4367 sn->c->listening->handler(sn->c);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4368
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4369 return NGX_OK;
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4370 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4371
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4372 if (f->limit <= sn->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4373 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4374 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4375
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4376 sent = sn->c->sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4377
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4378 if (sent >= sn->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4379 wev = sn->c->write;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4380
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4381 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4382 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4383 ngx_post_event(wev, &ngx_posted_events);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4384 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4385 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4386
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4387 sn->send_max_data = f->limit;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4388
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4389 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4390 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4391
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4392
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4393 static ngx_int_t
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4394 ngx_quic_handle_reset_stream_frame(ngx_connection_t *c,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4395 ngx_quic_header_t *pkt, ngx_quic_reset_stream_frame_t *f)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4396 {
8505
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4397 ngx_event_t *rev;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4398 ngx_connection_t *sc;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4399 ngx_quic_stream_t *sn;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4400 ngx_quic_connection_t *qc;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4401
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4402 qc = ngx_quic_get_connection(c);
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4403
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4404 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4405 && (f->id & NGX_QUIC_STREAM_SERVER_INITIATED))
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4406 {
8505
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4407 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4408 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4409 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4410
8505
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4411 sn = ngx_quic_find_stream(&qc->streams.tree, f->id);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4412
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4413 if (sn == NULL) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4414 sn = ngx_quic_create_client_stream(c, f->id);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4415
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4416 if (sn == NULL) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4417 return NGX_ERROR;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4418 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4419
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4420 if (sn == NGX_QUIC_STREAM_GONE) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4421 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4422 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4423
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4424 sc = sn->c;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4425
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4426 rev = sc->read;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4427 rev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4428 rev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4429
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4430 sc->listening->handler(sc);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4431
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4432 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4433 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4434
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4435 rev = sn->c->read;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4436 rev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4437 rev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4438
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4439 if (rev->active) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4440 rev->handler(rev);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4441 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4442
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4443 return NGX_OK;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4444 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4445
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4446
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4447 static ngx_int_t
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4448 ngx_quic_handle_stop_sending_frame(ngx_connection_t *c,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4449 ngx_quic_header_t *pkt, ngx_quic_stop_sending_frame_t *f)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4450 {
8505
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4451 ngx_event_t *wev;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4452 ngx_connection_t *sc;
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4453 ngx_quic_stream_t *sn;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4454 ngx_quic_connection_t *qc;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4455
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4456 qc = ngx_quic_get_connection(c);
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4457
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4458 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4459 && (f->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4460 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4461 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4462 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4463 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4464
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4465 sn = ngx_quic_find_stream(&qc->streams.tree, f->id);
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4466
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4467 if (sn == NULL) {
8505
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4468 sn = ngx_quic_create_client_stream(c, f->id);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4469
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4470 if (sn == NULL) {
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4471 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4472 }
8505
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4473
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4474 if (sn == NGX_QUIC_STREAM_GONE) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4475 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4476 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4477
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4478 sc = sn->c;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4479
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4480 wev = sc->write;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4481 wev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4482 wev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4483
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4484 sc->listening->handler(sc);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4485
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4486 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4487 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4488
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4489 wev = sn->c->write;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4490 wev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4491 wev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4492
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4493 if (wev->active) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
4494 wev->handler(wev);
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4495 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4496
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4497 return NGX_OK;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4498 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4499
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
4500
8495
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4501 static ngx_int_t
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4502 ngx_quic_handle_max_streams_frame(ngx_connection_t *c,
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4503 ngx_quic_header_t *pkt, ngx_quic_max_streams_frame_t *f)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4504 {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4505 ngx_quic_connection_t *qc;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4506
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4507 qc = ngx_quic_get_connection(c);
8495
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4508
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4509 if (f->bidi) {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4510 if (qc->streams.server_max_streams_bidi < f->limit) {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4511 qc->streams.server_max_streams_bidi = f->limit;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4512
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4513 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4514 "quic max_streams_bidi:%uL", f->limit);
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4515 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4516
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4517 } else {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4518 if (qc->streams.server_max_streams_uni < f->limit) {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4519 qc->streams.server_max_streams_uni = f->limit;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4520
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4521 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4522 "quic max_streams_uni:%uL", f->limit);
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4523 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4524 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4525
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4526 return NGX_OK;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4527 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4528
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4529
8531
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
4530 static ngx_int_t
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
4531 ngx_quic_handle_path_challenge_frame(ngx_connection_t *c,
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
4532 ngx_quic_header_t *pkt, ngx_quic_path_challenge_frame_t *f)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
4533 {
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4534 ngx_quic_frame_t *frame;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4535 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4536
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4537 qc = ngx_quic_get_connection(c);
8531
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
4538
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
4539 frame = ngx_quic_alloc_frame(c);
8531
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
4540 if (frame == NULL) {
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
4541 return NGX_ERROR;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
4542 }
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
4543
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
4544 frame->level = pkt->level;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
4545 frame->type = NGX_QUIC_FT_PATH_RESPONSE;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
4546 frame->u.path_response = *f;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
4547
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4548 ngx_quic_queue_frame(qc, frame);
8531
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
4549
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
4550 return NGX_OK;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
4551 }
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
4552
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
4553
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4554 static ngx_int_t
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4555 ngx_quic_handle_new_connection_id_frame(ngx_connection_t *c,
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4556 ngx_quic_header_t *pkt, ngx_quic_new_conn_id_frame_t *f)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4557 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4558 ngx_queue_t *q;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4559 ngx_quic_client_id_t *cid, *item;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4560 ngx_quic_connection_t *qc;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4561
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4562 qc = ngx_quic_get_connection(c);
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4563
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4564 if (f->seqnum < qc->max_retired_seqnum) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4565 /*
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4566 * An endpoint that receives a NEW_CONNECTION_ID frame with
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4567 * a sequence number smaller than the Retire Prior To field
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4568 * of a previously received NEW_CONNECTION_ID frame MUST send
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4569 * a corresponding RETIRE_CONNECTION_ID frame that retires
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4570 * the newly received connection ID, unless it has already
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4571 * done so for that sequence number.
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4572 */
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4573
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4574 if (ngx_quic_retire_connection_id(c, pkt->level, f->seqnum) != NGX_OK) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4575 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4576 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4577
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4578 goto retire;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4579 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4580
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4581 cid = NULL;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4582
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4583 for (q = ngx_queue_head(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4584 q != ngx_queue_sentinel(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4585 q = ngx_queue_next(q))
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4586 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4587 item = ngx_queue_data(q, ngx_quic_client_id_t, queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4588
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4589 if (item->seqnum == f->seqnum) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4590 cid = item;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4591 break;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4592 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4593 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4594
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4595 if (cid) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4596 /*
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4597 * Transmission errors, timeouts and retransmissions might cause the
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4598 * same NEW_CONNECTION_ID frame to be received multiple times
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4599 */
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4600
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4601 if (cid->len != f->len
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4602 || ngx_strncmp(cid->id, f->cid, f->len) != 0
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
4603 || ngx_strncmp(cid->sr_token, f->srt, NGX_QUIC_SR_TOKEN_LEN) != 0)
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4604 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4605 /*
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4606 * ..a sequence number is used for different connection IDs,
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4607 * the endpoint MAY treat that receipt as a connection error
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4608 * of type PROTOCOL_VIOLATION.
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4609 */
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4610 qc->error = NGX_QUIC_ERR_PROTOCOL_VIOLATION;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4611 qc->error_reason = "seqnum refers to different connection id/token";
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4612 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4613 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4614
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4615 } else {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4616
8627
405b6e8eb523 QUIC: renamed field and function related to client ids.
Roman Arutyunyan <arut@nginx.com>
parents: 8626
diff changeset
4617 cid = ngx_quic_alloc_client_id(c, qc);
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4618 if (cid == NULL) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4619 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4620 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4621
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4622 cid->seqnum = f->seqnum;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4623 cid->len = f->len;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4624 ngx_memcpy(cid->id, f->cid, f->len);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4625
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8561
diff changeset
4626 ngx_memcpy(cid->sr_token, f->srt, NGX_QUIC_SR_TOKEN_LEN);
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4627
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4628 ngx_queue_insert_tail(&qc->client_ids, &cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4629 qc->nclient_ids++;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4630
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4631 /* always use latest available connection id */
8627
405b6e8eb523 QUIC: renamed field and function related to client ids.
Roman Arutyunyan <arut@nginx.com>
parents: 8626
diff changeset
4632 if (f->seqnum > qc->client_seqnum) {
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4633 qc->scid.len = cid->len;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4634 qc->scid.data = cid->id;
8627
405b6e8eb523 QUIC: renamed field and function related to client ids.
Roman Arutyunyan <arut@nginx.com>
parents: 8626
diff changeset
4635 qc->client_seqnum = f->seqnum;
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4636 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4637 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4638
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4639 retire:
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4640
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4641 if (qc->max_retired_seqnum && f->retire <= qc->max_retired_seqnum) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4642 /*
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4643 * Once a sender indicates a Retire Prior To value, smaller values sent
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4644 * in subsequent NEW_CONNECTION_ID frames have no effect. A receiver
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4645 * MUST ignore any Retire Prior To fields that do not increase the
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4646 * largest received Retire Prior To value.
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4647 */
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4648 goto done;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4649 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4650
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4651 qc->max_retired_seqnum = f->retire;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4652
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4653 q = ngx_queue_head(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4654
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4655 while (q != ngx_queue_sentinel(&qc->client_ids)) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4656
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4657 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4658 q = ngx_queue_next(q);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4659
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4660 if (cid->seqnum >= f->retire) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4661 continue;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4662 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4663
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4664 /* this connection id must be retired */
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4665
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4666 if (ngx_quic_retire_connection_id(c, pkt->level, cid->seqnum)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4667 != NGX_OK)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4668 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4669 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4670 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4671
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4672 ngx_queue_remove(&cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4673 ngx_queue_insert_head(&qc->free_client_ids, &cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4674 qc->nclient_ids--;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4675 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4676
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4677 done:
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4678
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4679 if (qc->nclient_ids > qc->tp.active_connection_id_limit) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4680 /*
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4681 * After processing a NEW_CONNECTION_ID frame and
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4682 * adding and retiring active connection IDs, if the number of active
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4683 * connection IDs exceeds the value advertised in its
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4684 * active_connection_id_limit transport parameter, an endpoint MUST
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4685 * close the connection with an error of type CONNECTION_ID_LIMIT_ERROR.
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4686 */
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4687 qc->error = NGX_QUIC_ERR_CONNECTION_ID_LIMIT_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4688 qc->error_reason = "too many connection ids received";
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4689 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4690 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4691
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4692 return NGX_OK;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4693 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4694
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4695
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4696 static ngx_int_t
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4697 ngx_quic_retire_connection_id(ngx_connection_t *c,
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4698 enum ssl_encryption_level_t level, uint64_t seqnum)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4699 {
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4700 ngx_quic_frame_t *frame;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4701 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4702
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4703 qc = ngx_quic_get_connection(c);
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4704
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
4705 frame = ngx_quic_alloc_frame(c);
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4706 if (frame == NULL) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4707 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4708 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4709
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4710 frame->level = level;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4711 frame->type = NGX_QUIC_FT_RETIRE_CONNECTION_ID;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4712 frame->u.retire_cid.sequence_number = seqnum;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4713
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4714 ngx_quic_queue_frame(qc, frame);
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4715
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4716 return NGX_OK;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4717 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4718
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4719
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4720 static ngx_int_t
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4721 ngx_quic_handle_retire_connection_id_frame(ngx_connection_t *c,
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4722 ngx_quic_header_t *pkt, ngx_quic_retire_cid_frame_t *f)
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4723 {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4724 ngx_queue_t *q;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4725 ngx_quic_server_id_t *sid;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4726 ngx_quic_connection_t *qc;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4727
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4728 qc = ngx_quic_get_connection(c);
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4729
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4730 for (q = ngx_queue_head(&qc->server_ids);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4731 q != ngx_queue_sentinel(&qc->server_ids);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4732 q = ngx_queue_next(q))
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4733 {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4734 sid = ngx_queue_data(q, ngx_quic_server_id_t, queue);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4735
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4736 if (sid->seqnum == f->sequence_number) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4737 ngx_queue_remove(q);
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4738 ngx_queue_insert_tail(&qc->free_server_ids, &sid->queue);
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4739 ngx_rbtree_delete(&c->listening->rbtree, &sid->udp.node);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4740 qc->nserver_ids--;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4741 break;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4742 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4743 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4744
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4745 return ngx_quic_issue_server_ids(c);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4746 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4747
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4748
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4749 static ngx_int_t
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4750 ngx_quic_issue_server_ids(ngx_connection_t *c)
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4751 {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4752 ngx_str_t dcid;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4753 ngx_uint_t n;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4754 ngx_quic_frame_t *frame;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4755 ngx_quic_server_id_t *sid;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4756 ngx_quic_connection_t *qc;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4757 u_char id[NGX_QUIC_SERVER_CID_LEN];
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4758
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4759 qc = ngx_quic_get_connection(c);
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4760
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4761 n = ngx_min(NGX_QUIC_MAX_SERVER_IDS, qc->ctp.active_connection_id_limit);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4762
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4763 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4764 "quic issue server ids has:%ui max:%ui", qc->nserver_ids, n);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4765
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4766 while (qc->nserver_ids < n) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4767 if (ngx_quic_create_server_id(c, id) != NGX_OK) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4768 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4769 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4770
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4771 dcid.len = NGX_QUIC_SERVER_CID_LEN;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4772 dcid.data = id;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4773
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4774 sid = ngx_quic_insert_server_id(c, &dcid);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4775 if (sid == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4776 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4777 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4778
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
4779 frame = ngx_quic_alloc_frame(c);
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4780 if (frame == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4781 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4782 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4783
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4784 frame->level = ssl_encryption_application;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4785 frame->type = NGX_QUIC_FT_NEW_CONNECTION_ID;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4786 frame->u.ncid.seqnum = sid->seqnum;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4787 frame->u.ncid.retire = 0;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4788 frame->u.ncid.len = NGX_QUIC_SERVER_CID_LEN;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4789 ngx_memcpy(frame->u.ncid.cid, id, NGX_QUIC_SERVER_CID_LEN);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4790
8694
cef042935003 QUIC: the "quic_host_key" directive.
Vladimir Homutov <vl@nginx.com>
parents: 8693
diff changeset
4791 if (ngx_quic_new_sr_token(c, &dcid, qc->conf->sr_token_key,
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4792 frame->u.ncid.srt)
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4793 != NGX_OK)
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4794 {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4795 return NGX_ERROR;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4796 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4797
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4798 ngx_quic_queue_frame(qc, frame);
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4799 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4800
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4801 return NGX_OK;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4802 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4803
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4804
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4805 static void
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4806 ngx_quic_clear_temp_server_ids(ngx_connection_t *c)
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4807 {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4808 ngx_queue_t *q, *next;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4809 ngx_quic_server_id_t *sid;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4810 ngx_quic_connection_t *qc;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4811
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4812 qc = ngx_quic_get_connection(c);
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4813
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4814 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4815 "quic clear temp server ids");
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4816
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4817 for (q = ngx_queue_head(&qc->server_ids);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4818 q != ngx_queue_sentinel(&qc->server_ids);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4819 q = next)
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4820 {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4821 next = ngx_queue_next(q);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4822 sid = ngx_queue_data(q, ngx_quic_server_id_t, queue);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4823
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4824 if (sid->seqnum != NGX_QUIC_UNSET_PN) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4825 continue;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4826 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4827
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4828 ngx_queue_remove(q);
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4829 ngx_queue_insert_tail(&qc->free_server_ids, &sid->queue);
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4830 ngx_rbtree_delete(&c->listening->rbtree, &sid->udp.node);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4831 qc->nserver_ids--;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4832 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4833 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4834
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4835
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4836 static ngx_quic_server_id_t *
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4837 ngx_quic_insert_server_id(ngx_connection_t *c, ngx_str_t *id)
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4838 {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4839 ngx_str_t dcid;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4840 ngx_quic_server_id_t *sid;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4841 ngx_quic_connection_t *qc;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4842
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4843 qc = ngx_quic_get_connection(c);
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4844
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4845 sid = ngx_quic_alloc_server_id(c, qc);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4846 if (sid == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4847 return NULL;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4848 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4849
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4850 sid->seqnum = qc->server_seqnum;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4851
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4852 if (qc->server_seqnum != NGX_QUIC_UNSET_PN) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4853 qc->server_seqnum++;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4854 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4855
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4856 sid->len = id->len;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4857 ngx_memcpy(sid->id, id->data, id->len);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4858
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4859 ngx_queue_insert_tail(&qc->server_ids, &sid->queue);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4860 qc->nserver_ids++;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4861
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4862 dcid.data = sid->id;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4863 dcid.len = sid->len;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4864
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4865 ngx_insert_udp_connection(c, &sid->udp, &dcid);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4866
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
4867 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
4868 "quic insert server id seqnum:%uL id len:%uz %xV",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
4869 sid->seqnum, id->len, id);
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4870
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4871 return sid;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4872 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4873
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4874
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4875 static ngx_quic_client_id_t *
8627
405b6e8eb523 QUIC: renamed field and function related to client ids.
Roman Arutyunyan <arut@nginx.com>
parents: 8626
diff changeset
4876 ngx_quic_alloc_client_id(ngx_connection_t *c, ngx_quic_connection_t *qc)
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4877 {
8561
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
4878 ngx_queue_t *q;
b4ef79ef1c23 QUIC: refined the "c->quic->initialized" flag usage.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
4879 ngx_quic_client_id_t *cid;
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4880
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4881 if (!ngx_queue_empty(&qc->free_client_ids)) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4882
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4883 q = ngx_queue_head(&qc->free_client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4884 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4885
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4886 ngx_queue_remove(&cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4887
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4888 ngx_memzero(cid, sizeof(ngx_quic_client_id_t));
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4889
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4890 } else {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4891
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4892 cid = ngx_pcalloc(c->pool, sizeof(ngx_quic_client_id_t));
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4893 if (cid == NULL) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4894 return NULL;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4895 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4896 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4897
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4898 return cid;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4899 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4900
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
4901
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4902 static ngx_quic_server_id_t *
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4903 ngx_quic_alloc_server_id(ngx_connection_t *c, ngx_quic_connection_t *qc)
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4904 {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4905 ngx_queue_t *q;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4906 ngx_quic_server_id_t *sid;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4907
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4908 if (!ngx_queue_empty(&qc->free_server_ids)) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4909
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4910 q = ngx_queue_head(&qc->free_server_ids);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4911 sid = ngx_queue_data(q, ngx_quic_server_id_t, queue);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4912
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4913 ngx_queue_remove(&sid->queue);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4914
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4915 ngx_memzero(sid, sizeof(ngx_quic_server_id_t));
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4916
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4917 } else {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4918
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4919 sid = ngx_pcalloc(c->pool, sizeof(ngx_quic_server_id_t));
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4920 if (sid == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4921 return NULL;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4922 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4923 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4924
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4925 return sid;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4926 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4927
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8627
diff changeset
4928
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4929 static void
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4930 ngx_quic_queue_frame(ngx_quic_connection_t *qc, ngx_quic_frame_t *frame)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4931 {
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
4932 ngx_quic_send_ctx_t *ctx;
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
4933
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
4934 ctx = ngx_quic_get_send_ctx(qc, frame->level);
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
4935
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
4936 ngx_queue_insert_tail(&ctx->frames, &frame->queue);
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
4937
8476
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
4938 frame->len = ngx_quic_create_frame(NULL, frame);
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
4939 /* always succeeds */
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
4940
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
4941 if (qc->closing) {
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
4942 return;
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
4943 }
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
4944
8517
924882f42dea QUIC: do not artificially delay sending queued frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8516
diff changeset
4945 ngx_post_event(&qc->push, &ngx_posted_events);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4946 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4947
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4948
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4949 static ngx_int_t
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4950 ngx_quic_output(ngx_connection_t *c)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4951 {
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4952 off_t max;
8708
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet.
Roman Arutyunyan <arut@nginx.com>
parents: 8703
diff changeset
4953 size_t len, min, in_flight;
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4954 ssize_t n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4955 u_char *p;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4956 ngx_uint_t i, pad;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
4957 ngx_quic_send_ctx_t *ctx;
8708
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet.
Roman Arutyunyan <arut@nginx.com>
parents: 8703
diff changeset
4958 ngx_quic_congestion_t *cg;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4959 ngx_quic_connection_t *qc;
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4960 static u_char dst[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4961
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
4962 c->log->action = "sending frames";
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
4963
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
4964 qc = ngx_quic_get_connection(c);
8708
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet.
Roman Arutyunyan <arut@nginx.com>
parents: 8703
diff changeset
4965 cg = &qc->congestion;
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet.
Roman Arutyunyan <arut@nginx.com>
parents: 8703
diff changeset
4966
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet.
Roman Arutyunyan <arut@nginx.com>
parents: 8703
diff changeset
4967 in_flight = cg->in_flight;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4968
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4969 for ( ;; ) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4970 p = dst;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4971
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4972 len = ngx_min(qc->ctp.max_udp_payload_size,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4973 NGX_QUIC_MAX_UDP_PAYLOAD_SIZE);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4974
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4975 if (!qc->validated) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4976 max = qc->received * 3;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4977 max = (c->sent >= max) ? 0 : max - c->sent;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4978 len = ngx_min(len, (size_t) max);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4979 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4980
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4981 pad = ngx_quic_get_padding_level(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4982
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4983 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4984
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4985 ctx = &qc->send_ctx[i];
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4986
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4987 if (ngx_quic_generate_ack(c, ctx) != NGX_OK) {
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
4988 return NGX_ERROR;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8595
diff changeset
4989 }
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4990
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4991 min = (i == pad && p - dst < NGX_QUIC_MIN_INITIAL_SIZE)
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4992 ? NGX_QUIC_MIN_INITIAL_SIZE - (p - dst) : 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4993
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4994 n = ngx_quic_output_packet(c, ctx, p, len, min);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4995 if (n == NGX_ERROR) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4996 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4997 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4998
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
4999 p += n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5000 len -= n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5001 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5002
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5003 len = p - dst;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5004 if (len == 0) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5005 break;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5006 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5007
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5008 n = ngx_quic_send(c, dst, len);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5009 if (n == NGX_ERROR) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5010 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5011 }
8708
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet.
Roman Arutyunyan <arut@nginx.com>
parents: 8703
diff changeset
5012 }
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet.
Roman Arutyunyan <arut@nginx.com>
parents: 8703
diff changeset
5013
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet.
Roman Arutyunyan <arut@nginx.com>
parents: 8703
diff changeset
5014 if (in_flight != cg->in_flight && !qc->send_timer_set && !qc->closing) {
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet.
Roman Arutyunyan <arut@nginx.com>
parents: 8703
diff changeset
5015 qc->send_timer_set = 1;
98bacfc65c61 QUIC: set idle timer when sending an ack-eliciting packet.
Roman Arutyunyan <arut@nginx.com>
parents: 8703
diff changeset
5016 ngx_add_timer(c->read, qc->tp.max_idle_timeout);
8271
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
5017 }
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
5018
8697
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5019 ngx_quic_set_lost_timer(c);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5020
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5021 return NGX_OK;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5022 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5023
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5024
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5025 static ngx_uint_t
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5026 ngx_quic_get_padding_level(ngx_connection_t *c)
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5027 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5028 ngx_queue_t *q;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5029 ngx_quic_frame_t *f;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5030 ngx_quic_send_ctx_t *ctx;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5031 ngx_quic_connection_t *qc;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5032
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5033 /*
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5034 * 14.1. Initial Datagram Size
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5035 *
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5036 * Similarly, a server MUST expand the payload of all UDP datagrams
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5037 * carrying ack-eliciting Initial packets to at least the smallest
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5038 * allowed maximum datagram size of 1200 bytes
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5039 */
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5040
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5041 qc = ngx_quic_get_connection(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5042 ctx = ngx_quic_get_send_ctx(qc, ssl_encryption_initial);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5043
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5044 for (q = ngx_queue_head(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5045 q != ngx_queue_sentinel(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5046 q = ngx_queue_next(q))
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5047 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5048 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5049
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5050 if (f->need_ack) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5051 ctx = ngx_quic_get_send_ctx(qc, ssl_encryption_handshake);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5052
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5053 if (ngx_queue_empty(&ctx->frames)) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5054 return 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5055 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5056
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5057 return 1;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5058 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5059 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5060
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5061 return NGX_QUIC_SEND_CTX_LAST;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5062 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5063
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5064
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5065 static ngx_int_t
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5066 ngx_quic_generate_ack(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx)
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5067 {
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5068 ngx_msec_t delay;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5069 ngx_quic_connection_t *qc;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5070
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5071 if (!ctx->send_ack) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5072 return NGX_OK;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5073 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5074
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5075 if (ctx->level == ssl_encryption_application) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5076
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5077 delay = ngx_current_msec - ctx->ack_delay_start;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5078 qc = ngx_quic_get_connection(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5079
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5080 if (ctx->send_ack < NGX_QUIC_MAX_ACK_GAP
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5081 && delay < qc->tp.max_ack_delay)
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5082 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5083 if (!qc->push.timer_set && !qc->closing) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5084 ngx_add_timer(&qc->push,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5085 qc->tp.max_ack_delay - delay);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5086 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5087
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5088 return NGX_OK;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5089 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5090 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5091
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5092 if (ngx_quic_send_ack(c, ctx) != NGX_OK) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5093 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5094 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5095
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5096 ctx->send_ack = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5097
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5098 return NGX_OK;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5099 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5100
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5101
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5102 static ssize_t
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5103 ngx_quic_output_packet(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5104 u_char *data, size_t max, size_t min)
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5105 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5106 size_t len, hlen, pad_len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5107 u_char *p;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5108 ssize_t flen;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5109 ngx_str_t out, res;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5110 ngx_int_t rc;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5111 ngx_uint_t nframes;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5112 ngx_msec_t now;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5113 ngx_queue_t *q;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5114 ngx_quic_frame_t *f;
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5115 ngx_quic_header_t pkt;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5116 ngx_quic_congestion_t *cg;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5117 ngx_quic_connection_t *qc;
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5118 static u_char src[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5119
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5120 if (ngx_queue_empty(&ctx->frames)) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5121 return 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5122 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5123
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5124 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5125 "quic output %s packet max:%uz min:%uz",
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5126 ngx_quic_level_name(ctx->level), max, min);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5127
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
5128 qc = ngx_quic_get_connection(c);
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5129 cg = &qc->congestion;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5130
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5131 hlen = (ctx->level == ssl_encryption_application)
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5132 ? NGX_QUIC_MAX_SHORT_HEADER
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5133 : NGX_QUIC_MAX_LONG_HEADER;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5134
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5135 hlen += EVP_GCM_TLS_TAG_LEN;
8590
44991d728899 QUIC: account packet header length in amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8589
diff changeset
5136 hlen -= NGX_QUIC_MAX_CID_LEN - qc->scid.len;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5137
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5138 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5139
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5140 now = ngx_current_msec;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5141 nframes = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5142 p = src;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5143 len = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5144
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5145 for (q = ngx_queue_head(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5146 q != ngx_queue_sentinel(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5147 q = ngx_queue_next(q))
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5148 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5149 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5150
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5151 if (!pkt.need_ack && f->need_ack && max > cg->window) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5152 max = cg->window;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5153 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5154
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5155 if (hlen + len >= max) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5156 break;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5157 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5158
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5159 if (hlen + len + f->len > max) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5160 rc = ngx_quic_split_frame(c, f, max - hlen - len);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5161
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5162 if (rc == NGX_ERROR) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5163 return NGX_ERROR;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5164 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5165
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5166 if (rc == NGX_DECLINED) {
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5167 break;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5168 }
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5169 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5170
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5171 if (f->need_ack) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5172 pkt.need_ack = 1;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5173 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5174
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5175 ngx_quic_log_frame(c->log, f, 1);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5176
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5177 flen = ngx_quic_create_frame(p, f);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5178 if (flen == -1) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5179 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5180 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5181
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5182 len += flen;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5183 p += flen;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5184
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5185 f->pnum = ctx->pnum;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5186 f->first = now;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5187 f->last = now;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5188 f->plen = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5189
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5190 nframes++;
8698
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5191
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5192 if (f->flush) {
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5193 break;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5194 }
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5195 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5196
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5197 if (nframes == 0) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5198 return 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5199 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5200
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5201 out.data = src;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5202 out.len = len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5203
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5204 pkt.keys = qc->keys;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5205 pkt.flags = NGX_QUIC_PKT_FIXED_BIT;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5206
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5207 if (ctx->level == ssl_encryption_initial) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5208 pkt.flags |= NGX_QUIC_PKT_LONG | NGX_QUIC_PKT_INITIAL;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5209
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5210 } else if (ctx->level == ssl_encryption_handshake) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5211 pkt.flags |= NGX_QUIC_PKT_LONG | NGX_QUIC_PKT_HANDSHAKE;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5212
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5213 } else {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5214 if (qc->key_phase) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5215 pkt.flags |= NGX_QUIC_PKT_KPHASE;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5216 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5217 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5218
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5219 ngx_quic_set_packet_number(&pkt, ctx);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5220
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5221 pkt.version = qc->version;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5222 pkt.log = c->log;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5223 pkt.level = ctx->level;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5224 pkt.dcid = qc->scid;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5225 pkt.scid = qc->dcid;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5226
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5227 pad_len = 4;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5228
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5229 if (min) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5230 hlen = EVP_GCM_TLS_TAG_LEN
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5231 + ngx_quic_create_header(&pkt, NULL, out.len, NULL);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5232
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5233 if (min > hlen + pad_len) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5234 pad_len = min - hlen;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5235 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5236 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5237
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5238 if (out.len < pad_len) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5239 ngx_memset(p, NGX_QUIC_FT_PADDING, pad_len - out.len);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5240 out.len = pad_len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5241 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5242
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5243 pkt.payload = out;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5244
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5245 res.data = data;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5246
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5247 ngx_log_debug6(NGX_LOG_DEBUG_EVENT, c->log, 0,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5248 "quic packet tx %s bytes:%ui"
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5249 " need_ack:%d number:%L encoded nl:%d trunc:0x%xD",
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5250 ngx_quic_level_name(ctx->level), out.len, pkt.need_ack,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5251 pkt.number, pkt.num_len, pkt.trunc);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5252
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5253 if (ngx_quic_encrypt(&pkt, &res) != NGX_OK) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5254 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5255 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5256
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5257 ctx->pnum++;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5258
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5259 if (pkt.need_ack) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5260 /* move frames into the sent queue to wait for ack */
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5261
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5262 if (!qc->closing) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5263 q = ngx_queue_head(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5264 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5265 f->plen = res.len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5266
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5267 do {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5268 q = ngx_queue_head(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5269 ngx_queue_remove(q);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5270 ngx_queue_insert_tail(&ctx->sent, q);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5271 } while (--nframes);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5272 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5273
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5274 cg->in_flight += res.len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5275
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5276 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5277 "quic congestion send if:%uz", cg->in_flight);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5278 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5279
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5280 while (nframes--) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5281 q = ngx_queue_head(&ctx->frames);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5282 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5283
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5284 ngx_queue_remove(q);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5285 ngx_quic_free_frame(c, f);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5286 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5287
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5288 return res.len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5289 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5290
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5291
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5292 static ngx_int_t
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5293 ngx_quic_split_frame(ngx_connection_t *c, ngx_quic_frame_t *f, size_t len)
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5294 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5295 size_t shrink;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5296 ngx_quic_frame_t *nf;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5297 ngx_quic_ordered_frame_t *of, *onf;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5298
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5299 switch (f->type) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5300 case NGX_QUIC_FT_CRYPTO:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5301 case NGX_QUIC_FT_STREAM0:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5302 case NGX_QUIC_FT_STREAM1:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5303 case NGX_QUIC_FT_STREAM2:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5304 case NGX_QUIC_FT_STREAM3:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5305 case NGX_QUIC_FT_STREAM4:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5306 case NGX_QUIC_FT_STREAM5:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5307 case NGX_QUIC_FT_STREAM6:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5308 case NGX_QUIC_FT_STREAM7:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5309 break;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5310
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5311 default:
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5312 return NGX_DECLINED;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5313 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5314
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5315 if ((size_t) f->len <= len) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5316 return NGX_OK;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5317 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5318
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5319 shrink = f->len - len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5320
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5321 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5322 "quic split frame now:%uz need:%uz shrink:%uz",
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5323 f->len, len, shrink);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5324
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5325 of = &f->u.ord;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5326
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5327 if (of->length <= shrink) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5328 return NGX_DECLINED;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5329 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5330
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5331 of->length -= shrink;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5332 f->len = ngx_quic_create_frame(NULL, f);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5333
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5334 if ((size_t) f->len > len) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5335 ngx_log_error(NGX_LOG_ERR, c->log, 0, "could not split QUIC frame");
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5336 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5337 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5338
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5339 nf = ngx_quic_alloc_frame(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5340 if (nf == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5341 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5342 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5343
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5344 *nf = *f;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5345 onf = &nf->u.ord;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5346 onf->offset += of->length;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5347 onf->length = shrink;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5348 nf->len = ngx_quic_create_frame(NULL, nf);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5349
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5350 nf->data = ngx_quic_split_bufs(c, f->data, of->length);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5351 if (nf->data == NGX_CHAIN_ERROR) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5352 return NGX_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5353 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5354
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
5355 ngx_queue_insert_after(&f->queue, &nf->queue);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5356
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5357 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5358 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5359
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5360
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5361 static void
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5362 ngx_quic_free_frames(ngx_connection_t *c, ngx_queue_t *frames)
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5363 {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5364 ngx_queue_t *q;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5365 ngx_quic_frame_t *f;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5366
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5367 do {
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
5368 q = ngx_queue_head(frames);
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
5369
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
5370 if (q == ngx_queue_sentinel(frames)) {
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
5371 break;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
5372 }
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
5373
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
5374 ngx_queue_remove(q);
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
5375
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5376 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5377
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5378 ngx_quic_free_frame(c, f);
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
5379 } while (1);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5380 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5381
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5382
8656
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5383 static ssize_t
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5384 ngx_quic_send(ngx_connection_t *c, u_char *buf, size_t len)
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5385 {
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5386 ngx_buf_t b;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5387 ngx_chain_t cl, *res;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5388
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5389 ngx_memzero(&b, sizeof(ngx_buf_t));
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5390
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5391 b.pos = b.start = buf;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5392 b.last = b.end = buf + len;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5393 b.last_buf = 1;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5394 b.temporary = 1;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5395
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5396 cl.buf = &b;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5397 cl.next= NULL;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5398
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5399 res = c->send_chain(c, &cl, 0);
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5400 if (res == NGX_CHAIN_ERROR) {
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5401 return NGX_ERROR;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5402 }
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5403
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5404 return len;
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5405 }
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5406
43f3574b3e6f QUIC: fixed handling of clients connected to wildcard address.
Vladimir Homutov <vl@nginx.com>
parents: 8655
diff changeset
5407
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5408 static void
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
5409 ngx_quic_set_packet_number(ngx_quic_header_t *pkt, ngx_quic_send_ctx_t *ctx)
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
5410 {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
5411 uint64_t delta;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
5412
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
5413 delta = ctx->pnum - ctx->largest_ack;
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
5414 pkt->number = ctx->pnum;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
5415
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
5416 if (delta <= 0x7F) {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
5417 pkt->num_len = 1;
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
5418 pkt->trunc = ctx->pnum & 0xff;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
5419
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
5420 } else if (delta <= 0x7FFF) {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
5421 pkt->num_len = 2;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
5422 pkt->flags |= 0x1;
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
5423 pkt->trunc = ctx->pnum & 0xffff;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
5424
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
5425 } else if (delta <= 0x7FFFFF) {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
5426 pkt->num_len = 3;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
5427 pkt->flags |= 0x2;
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
5428 pkt->trunc = ctx->pnum & 0xffffff;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
5429
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
5430 } else {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
5431 pkt->num_len = 4;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
5432 pkt->flags |= 0x3;
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
5433 pkt->trunc = ctx->pnum & 0xffffffff;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
5434 }
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
5435 }
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
5436
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
5437
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
5438 static void
8472
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
5439 ngx_quic_pto_handler(ngx_event_t *ev)
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5440 {
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5441 ngx_uint_t i;
8698
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5442 ngx_msec_t now;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5443 ngx_queue_t *q, *next;
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5444 ngx_connection_t *c;
8698
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5445 ngx_quic_frame_t *f;
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5446 ngx_quic_send_ctx_t *ctx;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5447 ngx_quic_connection_t *qc;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5448
8472
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
5449 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic pto timer");
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5450
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5451 c = ev->data;
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
5452 qc = ngx_quic_get_connection(c);
8698
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5453 now = ngx_current_msec;
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5454
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5455 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5456
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5457 ctx = &qc->send_ctx[i];
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5458
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5459 if (ngx_queue_empty(&ctx->sent)) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5460 continue;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5461 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5462
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5463 q = ngx_queue_head(&ctx->sent);
8698
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5464 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5465
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5466 if (f->pnum <= ctx->largest_ack
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
5467 && ctx->largest_ack != NGX_QUIC_UNSET_PN)
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5468 {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5469 continue;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5470 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5471
8698
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5472 if ((ngx_msec_int_t) (f->last + ngx_quic_pto(c, ctx) - now) > 0) {
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5473 continue;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5474 }
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5475
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5476 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5477 "quic pto %s pto_count:%ui",
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5478 ngx_quic_level_name(ctx->level), qc->pto_count);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5479
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5480 for (q = ngx_queue_head(&ctx->frames);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5481 q != ngx_queue_sentinel(&ctx->frames);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5482 /* void */)
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5483 {
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5484 next = ngx_queue_next(q);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5485 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5486
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5487 if (f->type == NGX_QUIC_FT_PING) {
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5488 ngx_queue_remove(q);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5489 ngx_quic_free_frame(c, f);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5490 }
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5491
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5492 q = next;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5493 }
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5494
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5495 for (q = ngx_queue_head(&ctx->sent);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5496 q != ngx_queue_sentinel(&ctx->sent);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5497 /* void */)
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5498 {
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5499 next = ngx_queue_next(q);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5500 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5501
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5502 if (f->type == NGX_QUIC_FT_PING) {
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5503 ngx_quic_congestion_lost(c, f);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5504 ngx_queue_remove(q);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5505 ngx_quic_free_frame(c, f);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5506 }
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5507
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5508 q = next;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5509 }
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5510
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5511 /* enforce 2 udp datagrams */
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5512
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5513 f = ngx_quic_alloc_frame(c);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5514 if (f == NULL) {
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5515 break;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5516 }
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5517
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5518 f->level = ctx->level;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5519 f->type = NGX_QUIC_FT_PING;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5520 f->flush = 1;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5521
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5522 ngx_quic_queue_frame(qc, f);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5523
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5524 f = ngx_quic_alloc_frame(c);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5525 if (f == NULL) {
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5526 break;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5527 }
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5528
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5529 f->level = ctx->level;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5530 f->type = NGX_QUIC_FT_PING;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5531
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5532 ngx_quic_queue_frame(qc, f);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5533 }
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5534
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8697
diff changeset
5535 qc->pto_count++;
8607
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
5536
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
5537 ngx_quic_connstate_dbg(c);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5538 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5539
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5540
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
5541 static void
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
5542 ngx_quic_push_handler(ngx_event_t *ev)
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
5543 {
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
5544 ngx_connection_t *c;
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
5545
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
5546 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic push timer");
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
5547
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
5548 c = ev->data;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
5549
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
5550 if (ngx_quic_output(c) != NGX_OK) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
5551 ngx_quic_close_connection(c, NGX_ERROR);
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
5552 return;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
5553 }
8607
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
5554
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
5555 ngx_quic_connstate_dbg(c);
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
5556 }
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
5557
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
5558
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5559 static
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5560 void ngx_quic_lost_handler(ngx_event_t *ev)
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5561 {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5562 ngx_connection_t *c;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5563
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5564 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic lost timer");
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5565
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5566 c = ev->data;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5567
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5568 if (ngx_quic_detect_lost(c) != NGX_OK) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5569 ngx_quic_close_connection(c, NGX_ERROR);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5570 }
8607
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
5571
21b7dac9de3b QUIC: added connection state debug to event handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8606
diff changeset
5572 ngx_quic_connstate_dbg(c);
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5573 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5574
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5575
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5576 static ngx_int_t
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5577 ngx_quic_detect_lost(ngx_connection_t *c)
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5578 {
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
5579 ngx_uint_t i;
8697
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5580 ngx_msec_t now, wait, thr;
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5581 ngx_queue_t *q;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5582 ngx_quic_frame_t *start;
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
5583 ngx_quic_send_ctx_t *ctx;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5584 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5585
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
5586 qc = ngx_quic_get_connection(c);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5587 now = ngx_current_msec;
8697
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5588 thr = ngx_quic_lost_threshold(qc);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5589
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
5590 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
5591
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
5592 ctx = &qc->send_ctx[i];
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
5593
8598
85a550047eb5 QUIC: added macro for unset packet number.
Vladimir Homutov <vl@nginx.com>
parents: 8597
diff changeset
5594 if (ctx->largest_ack == NGX_QUIC_UNSET_PN) {
8515
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8514
diff changeset
5595 continue;
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8514
diff changeset
5596 }
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8514
diff changeset
5597
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5598 while (!ngx_queue_empty(&ctx->sent)) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5599
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5600 q = ngx_queue_head(&ctx->sent);
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
5601 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
5602
8515
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8514
diff changeset
5603 if (start->pnum > ctx->largest_ack) {
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8514
diff changeset
5604 break;
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8514
diff changeset
5605 }
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8514
diff changeset
5606
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
5607 wait = start->last + thr - now;
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
5608
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5609 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
8519
de7d6d943f68 QUIC: fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8518
diff changeset
5610 "quic detect_lost pnum:%uL thr:%M wait:%i level:%d",
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5611 start->pnum, thr, (ngx_int_t) wait, start->level);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5612
8516
355e079c5eee QUIC: do not arm loss detection timer on packet threshold.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8515
diff changeset
5613 if ((ngx_msec_int_t) wait > 0
355e079c5eee QUIC: do not arm loss detection timer on packet threshold.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8515
diff changeset
5614 && ctx->largest_ack - start->pnum < NGX_QUIC_PKT_THR)
355e079c5eee QUIC: do not arm loss detection timer on packet threshold.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8515
diff changeset
5615 {
355e079c5eee QUIC: do not arm loss detection timer on packet threshold.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8515
diff changeset
5616 break;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5617 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5618
8556
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
5619 ngx_quic_resend_frames(c, ctx);
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5620 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5621 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5622
8697
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5623 ngx_quic_set_lost_timer(c);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5624
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5625 return NGX_OK;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5626 }
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5627
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5628
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5629 static void
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5630 ngx_quic_set_lost_timer(ngx_connection_t *c)
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5631 {
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5632 ngx_uint_t i;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5633 ngx_msec_t now;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5634 ngx_queue_t *q;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5635 ngx_msec_int_t lost, pto, w;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5636 ngx_quic_frame_t *f;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5637 ngx_quic_send_ctx_t *ctx;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5638 ngx_quic_connection_t *qc;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5639
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5640 qc = ngx_quic_get_connection(c);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5641 now = ngx_current_msec;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5642
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5643 lost = -1;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5644 pto = -1;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5645
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5646 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5647 ctx = &qc->send_ctx[i];
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5648
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5649 if (ngx_queue_empty(&ctx->sent)) {
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5650 continue;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5651 }
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5652
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5653 if (ctx->largest_ack != NGX_QUIC_UNSET_PN) {
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5654 q = ngx_queue_head(&ctx->sent);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5655 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5656 w = (ngx_msec_int_t) (f->last + ngx_quic_lost_threshold(qc) - now);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5657
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5658 if (f->pnum <= ctx->largest_ack) {
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5659 if (w < 0 || ctx->largest_ack - f->pnum >= NGX_QUIC_PKT_THR) {
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5660 w = 0;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5661 }
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5662
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5663 if (lost == -1 || w < lost) {
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5664 lost = w;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5665 }
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5666 }
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5667 }
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5668
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5669 q = ngx_queue_last(&ctx->sent);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5670 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5671 w = (ngx_msec_int_t) (f->last + ngx_quic_pto(c, ctx) - now);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5672
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5673 if (w < 0) {
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5674 w = 0;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5675 }
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5676
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5677 if (pto == -1 || w < pto) {
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5678 pto = w;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5679 }
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5680 }
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
5681
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
5682 if (qc->pto.timer_set) {
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
5683 ngx_del_timer(&qc->pto);
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
5684 }
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
5685
8697
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5686 if (lost != -1) {
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5687 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5688 "quic lost timer lost:%M", lost);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5689
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5690 qc->pto.handler = ngx_quic_lost_handler;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5691 ngx_add_timer(&qc->pto, lost);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5692 return;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5693 }
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5694
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5695 if (pto != -1) {
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5696 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5697 "quic lost timer pto:%M", pto);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5698
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5699 qc->pto.handler = ngx_quic_pto_handler;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5700 ngx_add_timer(&qc->pto, pto);
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5701 return;
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5702 }
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5703
faa3201ff351 QUIC: improved setting the lost timer.
Roman Arutyunyan <arut@nginx.com>
parents: 8696
diff changeset
5704 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic lost timer unset");
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5705 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5706
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5707
8556
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
5708 static void
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
5709 ngx_quic_resend_frames(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx)
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5710 {
8617
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5711 size_t n;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5712 ngx_buf_t *b;
8556
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
5713 ngx_queue_t *q;
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
5714 ngx_quic_frame_t *f, *start;
8617
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5715 ngx_quic_stream_t *sn;
8556
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
5716 ngx_quic_connection_t *qc;
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
5717
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
5718 qc = ngx_quic_get_connection(c);
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5719 q = ngx_queue_head(&ctx->sent);
8556
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
5720 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
5721
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
5722 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
5723 "quic resend packet pnum:%uL", start->pnum);
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5724
8616
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
5725 ngx_quic_congestion_lost(c, start);
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
5726
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5727 do {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5728 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5729
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5730 if (f->pnum != start->pnum) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5731 break;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5732 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5733
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5734 q = ngx_queue_next(q);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5735
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5736 ngx_queue_remove(&f->queue);
8616
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
5737
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
5738 switch (f->type) {
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
5739 case NGX_QUIC_FT_ACK:
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
5740 case NGX_QUIC_FT_ACK_ECN:
8696
88c9c868a7c9 QUIC: disabled non-immediate ACKs for Initial and Handshake.
Roman Arutyunyan <arut@nginx.com>
parents: 8695
diff changeset
5741 if (ctx->level == ssl_encryption_application) {
88c9c868a7c9 QUIC: disabled non-immediate ACKs for Initial and Handshake.
Roman Arutyunyan <arut@nginx.com>
parents: 8695
diff changeset
5742 /* force generation of most recent acknowledgment */
88c9c868a7c9 QUIC: disabled non-immediate ACKs for Initial and Handshake.
Roman Arutyunyan <arut@nginx.com>
parents: 8695
diff changeset
5743 ctx->send_ack = NGX_QUIC_MAX_ACK_GAP;
88c9c868a7c9 QUIC: disabled non-immediate ACKs for Initial and Handshake.
Roman Arutyunyan <arut@nginx.com>
parents: 8695
diff changeset
5744 }
88c9c868a7c9 QUIC: disabled non-immediate ACKs for Initial and Handshake.
Roman Arutyunyan <arut@nginx.com>
parents: 8695
diff changeset
5745
8616
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
5746 ngx_quic_free_frame(c, f);
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
5747 break;
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
5748
8617
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5749 case NGX_QUIC_FT_PING:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5750 case NGX_QUIC_FT_PATH_RESPONSE:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5751 case NGX_QUIC_FT_CONNECTION_CLOSE:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5752 ngx_quic_free_frame(c, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5753 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5754
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5755 case NGX_QUIC_FT_MAX_DATA:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5756 f->u.max_data.max_data = qc->streams.recv_max_data;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5757 ngx_quic_queue_frame(qc, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5758 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5759
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5760 case NGX_QUIC_FT_MAX_STREAMS:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5761 case NGX_QUIC_FT_MAX_STREAMS2:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5762 f->u.max_streams.limit = f->u.max_streams.bidi
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5763 ? qc->streams.client_max_streams_bidi
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5764 : qc->streams.client_max_streams_uni;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5765 ngx_quic_queue_frame(qc, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5766 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5767
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5768 case NGX_QUIC_FT_MAX_STREAM_DATA:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5769 sn = ngx_quic_find_stream(&qc->streams.tree,
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5770 f->u.max_stream_data.id);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5771 if (sn == NULL) {
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5772 ngx_quic_free_frame(c, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5773 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5774 }
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5775
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5776 b = sn->b;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5777 n = sn->fs.received + (b->pos - b->start) + (b->end - b->last);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5778
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5779 if (f->u.max_stream_data.limit < n) {
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5780 f->u.max_stream_data.limit = n;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5781 }
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5782
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5783 ngx_quic_queue_frame(qc, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5784 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5785
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5786 case NGX_QUIC_FT_STREAM0:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5787 case NGX_QUIC_FT_STREAM1:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5788 case NGX_QUIC_FT_STREAM2:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5789 case NGX_QUIC_FT_STREAM3:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5790 case NGX_QUIC_FT_STREAM4:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5791 case NGX_QUIC_FT_STREAM5:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5792 case NGX_QUIC_FT_STREAM6:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5793 case NGX_QUIC_FT_STREAM7:
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5794 sn = ngx_quic_find_stream(&qc->streams.tree, f->u.stream.stream_id);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5795
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5796 if (sn && sn->c->write->error) {
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5797 /* RESET_STREAM was sent */
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5798 ngx_quic_free_frame(c, f);
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5799 break;
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5800 }
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5801
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5802 /* fall through */
69dc750cf66f QUIC: handle more frames in ngx_quic_resend_frames().
Roman Arutyunyan <arut@nginx.com>
parents: 8616
diff changeset
5803
8616
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
5804 default:
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
5805 ngx_queue_insert_tail(&ctx->frames, &f->queue);
64405f970f6f QUIC: avoided retransmission of stale ack frames.
Vladimir Homutov <vl@nginx.com>
parents: 8615
diff changeset
5806 }
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5807
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5808 } while (q != ngx_queue_sentinel(&ctx->sent));
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5809
8556
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
5810 if (qc->closing) {
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
5811 return;
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
5812 }
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
5813
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
5814 ngx_post_event(&qc->push, &ngx_posted_events);
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5815 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5816
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
5817
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5818 ngx_connection_t *
8495
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5819 ngx_quic_open_stream(ngx_connection_t *c, ngx_uint_t bidi)
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5820 {
8495
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5821 size_t rcvbuf_size;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5822 uint64_t id;
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
5823 ngx_quic_stream_t *qs, *sn;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
5824 ngx_quic_connection_t *qc;
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
5825
8630
279ad36f2f4b QUIC: renamed c->qs to c->quic.
Roman Arutyunyan <arut@nginx.com>
parents: 8629
diff changeset
5826 qs = c->quic;
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
5827 qc = ngx_quic_get_connection(qs->parent);
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
5828
8495
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5829 if (bidi) {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5830 if (qc->streams.server_streams_bidi
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5831 >= qc->streams.server_max_streams_bidi)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5832 {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5833 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
5834 "quic too many server bidi streams:%uL",
8495
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5835 qc->streams.server_streams_bidi);
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5836 return NULL;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5837 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5838
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5839 id = (qc->streams.server_streams_bidi << 2)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5840 | NGX_QUIC_STREAM_SERVER_INITIATED;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5841
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5842 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
5843 "quic creating server bidi stream"
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
5844 " streams:%uL max:%uL id:0x%xL",
8495
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5845 qc->streams.server_streams_bidi,
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5846 qc->streams.server_max_streams_bidi, id);
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5847
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5848 qc->streams.server_streams_bidi++;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5849 rcvbuf_size = qc->tp.initial_max_stream_data_bidi_local;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5850
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5851 } else {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5852 if (qc->streams.server_streams_uni
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5853 >= qc->streams.server_max_streams_uni)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5854 {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5855 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
5856 "quic too many server uni streams:%uL",
8495
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5857 qc->streams.server_streams_uni);
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5858 return NULL;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5859 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5860
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5861 id = (qc->streams.server_streams_uni << 2)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5862 | NGX_QUIC_STREAM_SERVER_INITIATED
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5863 | NGX_QUIC_STREAM_UNIDIRECTIONAL;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5864
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5865 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
5866 "quic creating server uni stream"
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
5867 " streams:%uL max:%uL id:0x%xL",
8495
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5868 qc->streams.server_streams_uni,
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5869 qc->streams.server_max_streams_uni, id);
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5870
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5871 qc->streams.server_streams_uni++;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5872 rcvbuf_size = 0;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5873 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5874
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
5875 sn = ngx_quic_create_stream(qs->parent, id, rcvbuf_size);
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
5876 if (sn == NULL) {
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
5877 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
5878 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
5879
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
5880 return sn->c;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5881 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5882
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5883
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5884 static void
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5885 ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5886 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5887 {
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
5888 ngx_rbtree_node_t **p;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
5889 ngx_quic_stream_t *qn, *qnt;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5890
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5891 for ( ;; ) {
8284
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
5892 qn = (ngx_quic_stream_t *) node;
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
5893 qnt = (ngx_quic_stream_t *) temp;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5894
8284
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
5895 p = (qn->id < qnt->id) ? &temp->left : &temp->right;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5896
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5897 if (*p == sentinel) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5898 break;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5899 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5900
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5901 temp = *p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5902 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5903
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5904 *p = node;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5905 node->parent = temp;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5906 node->left = sentinel;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5907 node->right = sentinel;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5908 ngx_rbt_red(node);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5909 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5910
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5911
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
5912 static ngx_quic_stream_t *
8284
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
5913 ngx_quic_find_stream(ngx_rbtree_t *rbtree, uint64_t id)
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5914 {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5915 ngx_rbtree_node_t *node, *sentinel;
8284
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
5916 ngx_quic_stream_t *qn;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5917
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5918 node = rbtree->root;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5919 sentinel = rbtree->sentinel;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5920
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5921 while (node != sentinel) {
8284
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
5922 qn = (ngx_quic_stream_t *) node;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5923
8284
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
5924 if (id == qn->id) {
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
5925 return qn;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5926 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5927
8284
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
5928 node = (id < qn->id) ? node->left : node->right;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5929 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5930
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5931 return NULL;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5932 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5933
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
5934
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
5935 static ngx_quic_stream_t *
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5936 ngx_quic_create_client_stream(ngx_connection_t *c, uint64_t id)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5937 {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5938 size_t n;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5939 uint64_t min_id;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5940 ngx_quic_stream_t *sn;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5941 ngx_quic_connection_t *qc;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5942
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5943 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
5944 "quic stream id:0x%xL is new", id);
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5945
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
5946 qc = ngx_quic_get_connection(c);
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5947
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5948 if (id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5949
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5950 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5951 if ((id >> 2) < qc->streams.server_streams_uni) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5952 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5953 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5954
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5955 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5956 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5957 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5958
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5959 if ((id >> 2) < qc->streams.client_streams_uni) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5960 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5961 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5962
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5963 if ((id >> 2) >= qc->streams.client_max_streams_uni) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5964 qc->error = NGX_QUIC_ERR_STREAM_LIMIT_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5965 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5966 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5967
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5968 min_id = (qc->streams.client_streams_uni << 2)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5969 | NGX_QUIC_STREAM_UNIDIRECTIONAL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5970 qc->streams.client_streams_uni = (id >> 2) + 1;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5971 n = qc->tp.initial_max_stream_data_uni;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5972
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5973 } else {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5974
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5975 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5976 if ((id >> 2) < qc->streams.server_streams_bidi) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5977 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5978 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5979
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5980 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5981 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5982 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5983
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5984 if ((id >> 2) < qc->streams.client_streams_bidi) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5985 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5986 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5987
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5988 if ((id >> 2) >= qc->streams.client_max_streams_bidi) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5989 qc->error = NGX_QUIC_ERR_STREAM_LIMIT_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5990 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5991 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5992
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5993 min_id = (qc->streams.client_streams_bidi << 2);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5994 qc->streams.client_streams_bidi = (id >> 2) + 1;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5995 n = qc->tp.initial_max_stream_data_bidi_remote;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5996 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5997
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5998 if (n < NGX_QUIC_STREAM_BUFSIZE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
5999 n = NGX_QUIC_STREAM_BUFSIZE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6000 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6001
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6002 /*
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6003 * 2.1. Stream Types and Identifiers
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6004 *
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6005 * Within each type, streams are created with numerically increasing
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6006 * stream IDs. A stream ID that is used out of order results in all
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6007 * streams of that type with lower-numbered stream IDs also being
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6008 * opened.
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6009 */
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6010
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6011 for ( /* void */ ; min_id < id; min_id += 0x04) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6012
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6013 sn = ngx_quic_create_stream(c, min_id, n);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6014 if (sn == NULL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6015 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6016 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6017
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6018 sn->c->listening->handler(sn->c);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6019 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6020
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6021 return ngx_quic_create_stream(c, id, n);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6022 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6023
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6024
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
6025 static ngx_quic_stream_t *
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6026 ngx_quic_create_stream(ngx_connection_t *c, uint64_t id, size_t rcvbuf_size)
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6027 {
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6028 ngx_log_t *log;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6029 ngx_pool_t *pool;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6030 ngx_quic_stream_t *sn;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6031 ngx_pool_cleanup_t *cln;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6032 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6033
8496
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6034 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
6035 "quic stream id:0x%xL create", id);
8496
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6036
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
6037 qc = ngx_quic_get_connection(c);
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6038
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6039 pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, c->log);
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6040 if (pool == NULL) {
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6041 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6042 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6043
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6044 sn = ngx_pcalloc(pool, sizeof(ngx_quic_stream_t));
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6045 if (sn == NULL) {
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6046 ngx_destroy_pool(pool);
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6047 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6048 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6049
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6050 sn->node.key = id;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6051 sn->parent = c;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6052 sn->id = id;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6053
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6054 sn->b = ngx_create_temp_buf(pool, rcvbuf_size);
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6055 if (sn->b == NULL) {
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6056 ngx_destroy_pool(pool);
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6057 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6058 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6059
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
6060 ngx_queue_init(&sn->fs.frames);
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
6061
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6062 log = ngx_palloc(pool, sizeof(ngx_log_t));
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6063 if (log == NULL) {
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6064 ngx_destroy_pool(pool);
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6065 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6066 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6067
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6068 *log = *c->log;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6069 pool->log = log;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6070
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6071 sn->c = ngx_get_connection(-1, log);
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6072 if (sn->c == NULL) {
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6073 ngx_destroy_pool(pool);
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6074 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6075 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6076
8630
279ad36f2f4b QUIC: renamed c->qs to c->quic.
Roman Arutyunyan <arut@nginx.com>
parents: 8629
diff changeset
6077 sn->c->quic = sn;
8482
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
6078 sn->c->type = SOCK_STREAM;
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6079 sn->c->pool = pool;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6080 sn->c->ssl = c->ssl;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6081 sn->c->sockaddr = c->sockaddr;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6082 sn->c->listening = c->listening;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6083 sn->c->addr_text = c->addr_text;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6084 sn->c->local_sockaddr = c->local_sockaddr;
8579
d57cfdebe301 QUIC: set local_socklen in stream connections.
Roman Arutyunyan <arut@nginx.com>
parents: 8578
diff changeset
6085 sn->c->local_socklen = c->local_socklen;
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6086 sn->c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1);
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6087
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6088 sn->c->recv = ngx_quic_stream_recv;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6089 sn->c->send = ngx_quic_stream_send;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6090 sn->c->send_chain = ngx_quic_stream_send_chain;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6091
8479
b250b515e5b6 QUIC: fixed stream read event log.
Roman Arutyunyan <arut@nginx.com>
parents: 8478
diff changeset
6092 sn->c->read->log = log;
b250b515e5b6 QUIC: fixed stream read event log.
Roman Arutyunyan <arut@nginx.com>
parents: 8478
diff changeset
6093 sn->c->write->log = log;
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6094
8362
44cac24aaa44 Assign connection number to every QUIC stream log.
Roman Arutyunyan <arut@nginx.com>
parents: 8361
diff changeset
6095 log->connection = sn->c->number;
44cac24aaa44 Assign connection number to every QUIC stream log.
Roman Arutyunyan <arut@nginx.com>
parents: 8361
diff changeset
6096
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6097 if ((id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6098 || (id & NGX_QUIC_STREAM_SERVER_INITIATED))
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6099 {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6100 sn->c->write->ready = 1;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6101 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6102
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6103 if (id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6104 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6105 sn->send_max_data = qc->ctp.initial_max_stream_data_uni;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6106 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6107
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6108 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6109 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6110 sn->send_max_data = qc->ctp.initial_max_stream_data_bidi_remote;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6111 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6112 sn->send_max_data = qc->ctp.initial_max_stream_data_bidi_local;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6113 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6114 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6115
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6116 cln = ngx_pool_cleanup_add(pool, 0);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6117 if (cln == NULL) {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6118 ngx_close_connection(sn->c);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6119 ngx_destroy_pool(pool);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6120 return NULL;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6121 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6122
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6123 cln->handler = ngx_quic_stream_cleanup_handler;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6124 cln->data = sn->c;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6125
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
6126 ngx_rbtree_insert(&qc->streams.tree, &sn->node);
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
6127
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6128 return sn;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6129 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6130
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
6131
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6132 static ssize_t
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6133 ngx_quic_stream_recv(ngx_connection_t *c, u_char *buf, size_t size)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6134 {
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6135 ssize_t len;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6136 ngx_buf_t *b;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6137 ngx_event_t *rev;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6138 ngx_connection_t *pc;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6139 ngx_quic_frame_t *frame;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6140 ngx_quic_stream_t *qs;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6141 ngx_quic_connection_t *qc;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6142
8630
279ad36f2f4b QUIC: renamed c->qs to c->quic.
Roman Arutyunyan <arut@nginx.com>
parents: 8629
diff changeset
6143 qs = c->quic;
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
6144 b = qs->b;
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6145 pc = qs->parent;
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
6146 qc = ngx_quic_get_connection(pc);
8279
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
6147 rev = c->read;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6148
8503
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
6149 if (rev->error) {
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
6150 return NGX_ERROR;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
6151 }
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
6152
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
6153 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
6154 "quic stream recv id:0x%xL eof:%d avail:%z",
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
6155 qs->id, rev->pending_eof, b->last - b->pos);
8279
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
6156
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
6157 if (b->pos == b->last) {
8279
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
6158 rev->ready = 0;
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
6159
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
6160 if (rev->pending_eof) {
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
6161 rev->eof = 1;
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
6162 return 0;
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
6163 }
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
6164
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
6165 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
6166 "quic stream id:0x%xL recv() not ready", qs->id);
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
6167 return NGX_AGAIN;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6168 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6169
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6170 len = ngx_min(b->last - b->pos, (ssize_t) size);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6171
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6172 ngx_memcpy(buf, b->pos, len);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6173
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6174 b->pos += len;
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6175 qc->streams.received += len;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6176
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
6177 if (b->pos == b->last) {
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
6178 b->pos = b->start;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
6179 b->last = b->start;
8294
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 8293
diff changeset
6180 rev->ready = rev->pending_eof;
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
6181 }
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
6182
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
6183 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
6184 "quic stream id:0x%xL recv len:%z of size:%uz",
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
6185 qs->id, len, size);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6186
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6187 if (!rev->pending_eof) {
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6188 frame = ngx_quic_alloc_frame(pc);
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6189 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6190 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6191 }
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6192
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6193 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6194 frame->type = NGX_QUIC_FT_MAX_STREAM_DATA;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6195 frame->u.max_stream_data.id = qs->id;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6196 frame->u.max_stream_data.limit = qs->fs.received + (b->pos - b->start)
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6197 + (b->end - b->last);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6198
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
6199 ngx_quic_queue_frame(qc, frame);
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6200 }
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6201
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6202 if ((qc->streams.recv_max_data / 2) < qc->streams.received) {
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6203
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6204 frame = ngx_quic_alloc_frame(pc);
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6205
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6206 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6207 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6208 }
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6209
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6210 qc->streams.recv_max_data *= 2;
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6211
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6212 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6213 frame->type = NGX_QUIC_FT_MAX_DATA;
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6214 frame->u.max_data.max_data = qc->streams.recv_max_data;
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6215
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
6216 ngx_quic_queue_frame(qc, frame);
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6217
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
6218 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
6219 "quic stream id:0x%xL recv: increased max_data:%uL",
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
6220 qs->id, qc->streams.recv_max_data);
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6221 }
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
6222
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6223 return len;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6224 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6226
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6227 static ssize_t
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6228 ngx_quic_stream_send(ngx_connection_t *c, u_char *buf, size_t size)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6229 {
8509
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6230 ngx_buf_t b;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6231 ngx_chain_t cl;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6232
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6233 ngx_memzero(&b, sizeof(ngx_buf_t));
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6234
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6235 b.memory = 1;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6236 b.pos = buf;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6237 b.last = buf + size;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6238
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6239 cl.buf = &b;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6240 cl.next = NULL;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6241
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6242 if (ngx_quic_stream_send_chain(c, &cl, 0) == NGX_CHAIN_ERROR) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6243 return NGX_ERROR;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6244 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6245
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6246 if (b.pos == buf) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6247 return NGX_AGAIN;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6248 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6249
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6250 return b.pos - buf;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6251 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6252
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6253
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6254 static ngx_chain_t *
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6255 ngx_quic_stream_send_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6256 {
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6257 size_t n, flow;
8503
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
6258 ngx_event_t *wev;
8509
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6259 ngx_chain_t *cl;
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
6260 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
6261 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
6262 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
6263 ngx_quic_connection_t *qc;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6264
8630
279ad36f2f4b QUIC: renamed c->qs to c->quic.
Roman Arutyunyan <arut@nginx.com>
parents: 8629
diff changeset
6265 qs = c->quic;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6266 pc = qs->parent;
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
6267 qc = ngx_quic_get_connection(pc);
8503
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
6268 wev = c->write;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
6269
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
6270 if (wev->error) {
8509
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6271 return NGX_CHAIN_ERROR;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6272 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6273
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6274 flow = ngx_quic_max_stream_flow(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6275 if (flow == 0) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6276 wev->ready = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6277 return in;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6278 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6279
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6280 n = (limit && (size_t) limit < flow) ? (size_t) limit : flow;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6281
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6282 frame = ngx_quic_alloc_frame(pc);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6283 if (frame == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6284 return NGX_CHAIN_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6285 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6286
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6287 frame->data = ngx_quic_copy_chain(pc, in, n);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6288 if (frame->data == NGX_CHAIN_ERROR) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6289 return NGX_CHAIN_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6290 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6291
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6292 for (n = 0, cl = frame->data; cl; cl = cl->next) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6293 n += ngx_buf_size(cl->buf);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6294 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6295
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6296 while (in && ngx_buf_size(in->buf) == 0) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6297 in = in->next;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6298 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6299
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6300 frame->level = ssl_encryption_application;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6301 frame->type = NGX_QUIC_FT_STREAM6; /* OFF=1 LEN=1 FIN=0 */
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6302 frame->u.stream.off = 1;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6303 frame->u.stream.len = 1;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6304 frame->u.stream.fin = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6305
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6306 frame->u.stream.type = frame->type;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6307 frame->u.stream.stream_id = qs->id;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6308 frame->u.stream.offset = c->sent;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6309 frame->u.stream.length = n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6310
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6311 c->sent += n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6312 qc->streams.sent += n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6313
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6314 ngx_quic_queue_frame(qc, frame);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6315
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6316 wev->ready = (n < flow) ? 1 : 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6317
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6318 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6319 "quic send_chain sent:%uz", n);
8509
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6320
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6321 return in;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6322 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6323
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6324
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6325 static size_t
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6326 ngx_quic_max_stream_flow(ngx_connection_t *c)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6327 {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6328 size_t size;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6329 uint64_t sent, unacked;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6330 ngx_quic_stream_t *qs;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6331 ngx_quic_connection_t *qc;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6332
8630
279ad36f2f4b QUIC: renamed c->qs to c->quic.
Roman Arutyunyan <arut@nginx.com>
parents: 8629
diff changeset
6333 qs = c->quic;
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
6334 qc = ngx_quic_get_connection(qs->parent);
8509
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6335
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6336 size = NGX_QUIC_STREAM_BUFSIZE;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6337 sent = c->sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6338 unacked = sent - qs->acked;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6339
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6340 if (qc->streams.send_max_data == 0) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6341 qc->streams.send_max_data = qc->ctp.initial_max_data;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6342 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6343
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6344 if (unacked >= NGX_QUIC_STREAM_BUFSIZE) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6345 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6346 "quic send flow hit buffer size");
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6347 return 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6348 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6349
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6350 if (unacked + size > NGX_QUIC_STREAM_BUFSIZE) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6351 size = NGX_QUIC_STREAM_BUFSIZE - unacked;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6352 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6353
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6354 if (qc->streams.sent >= qc->streams.send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6355 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6356 "quic send flow hit MAX_DATA");
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6357 return 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6358 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6359
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6360 if (qc->streams.sent + size > qc->streams.send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6361 size = qc->streams.send_max_data - qc->streams.sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6362 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6363
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6364 if (sent >= qs->send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6365 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6366 "quic send flow hit MAX_STREAM_DATA");
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6367 return 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6368 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6369
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6370 if (sent + size > qs->send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6371 size = qs->send_max_data - sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6372 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6373
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6374 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
6375 "quic send flow:%uz", size);
8509
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6376
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
6377 return size;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6378 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6379
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
6380
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6381 static void
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6382 ngx_quic_stream_cleanup_handler(void *data)
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6383 {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6384 ngx_connection_t *c = data;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6385
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
6386 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
6387 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
6388 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
6389 ngx_quic_connection_t *qc;
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6390
8630
279ad36f2f4b QUIC: renamed c->qs to c->quic.
Roman Arutyunyan <arut@nginx.com>
parents: 8629
diff changeset
6391 qs = c->quic;
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6392 pc = qs->parent;
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
6393 qc = ngx_quic_get_connection(pc);
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6394
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
6395 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
6396 "quic stream id:0x%xL cleanup", qs->id);
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
6397
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
6398 ngx_rbtree_delete(&qc->streams.tree, &qs->node);
8348
d42b50d239f4 Fixed memory leak with reordered stream frames.
Vladimir Homutov <vl@nginx.com>
parents: 8346
diff changeset
6399 ngx_quic_free_frames(pc, &qs->fs.frames);
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
6400
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
6401 if (qc->closing) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
6402 /* schedule handler call to continue ngx_quic_close_connection() */
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
6403 ngx_post_event(pc->read, &ngx_posted_events);
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
6404 return;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
6405 }
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
6406
8528
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
6407 if ((qs->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
6408 || (qs->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0)
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
6409 {
8539
62db595a86b5 QUIC: do not send STOP_SENDING after STREAM fin.
Roman Arutyunyan <arut@nginx.com>
parents: 8538
diff changeset
6410 if (!c->read->pending_eof && !c->read->error) {
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6411 frame = ngx_quic_alloc_frame(pc);
8528
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
6412 if (frame == NULL) {
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
6413 return;
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
6414 }
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
6415
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
6416 frame->level = ssl_encryption_application;
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
6417 frame->type = NGX_QUIC_FT_STOP_SENDING;
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
6418 frame->u.stop_sending.id = qs->id;
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
6419 frame->u.stop_sending.error_code = 0x100; /* HTTP/3 no error */
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
6420
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
6421 ngx_quic_queue_frame(qc, frame);
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
6422 }
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
6423 }
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
6424
8496
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6425 if ((qs->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0) {
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6426 frame = ngx_quic_alloc_frame(pc);
8496
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6427 if (frame == NULL) {
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6428 return;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6429 }
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6430
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6431 frame->level = ssl_encryption_application;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6432 frame->type = NGX_QUIC_FT_MAX_STREAMS;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6433
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6434 if (qs->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6435 frame->u.max_streams.limit = ++qc->streams.client_max_streams_uni;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6436 frame->u.max_streams.bidi = 0;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6437
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6438 } else {
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6439 frame->u.max_streams.limit = ++qc->streams.client_max_streams_bidi;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6440 frame->u.max_streams.bidi = 1;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6441 }
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6442
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6443 ngx_quic_queue_frame(qc, frame);
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6444
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6445 if (qs->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6446 /* do not send fin for client unidirectional streams */
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6447 return;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
6448 }
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6449 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6450
8703
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
6451 if (c->write->error) {
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
6452 goto error;
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
6453 }
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
6454
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
6455 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
6456 "quic stream id:0x%xL send fin", qs->id);
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6457
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6458 frame = ngx_quic_alloc_frame(pc);
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6459 if (frame == NULL) {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6460 return;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6461 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6462
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6463 frame->level = ssl_encryption_application;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6464 frame->type = NGX_QUIC_FT_STREAM7; /* OFF=1 LEN=1 FIN=1 */
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6465 frame->u.stream.off = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6466 frame->u.stream.len = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6467 frame->u.stream.fin = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6468
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6469 frame->u.stream.type = frame->type;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6470 frame->u.stream.stream_id = qs->id;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6471 frame->u.stream.offset = c->sent;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6472 frame->u.stream.length = 0;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6473
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6474 ngx_quic_queue_frame(qc, frame);
8293
1ec905f4d851 Push QUIC stream frames in send() and cleanup handler.
Roman Arutyunyan <arut@nginx.com>
parents: 8290
diff changeset
6475
8703
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
6476 error:
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
6477
8293
1ec905f4d851 Push QUIC stream frames in send() and cleanup handler.
Roman Arutyunyan <arut@nginx.com>
parents: 8290
diff changeset
6478 (void) ngx_quic_output(pc);
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6479 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6480
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
6481
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6482 static ngx_quic_frame_t *
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6483 ngx_quic_alloc_frame(ngx_connection_t *c)
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6484 {
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
6485 ngx_queue_t *q;
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6486 ngx_quic_frame_t *frame;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6487 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6488
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
6489 qc = ngx_quic_get_connection(c);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
6490
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
6491 if (!ngx_queue_empty(&qc->free_frames)) {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
6492
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
6493 q = ngx_queue_head(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
6494 frame = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
6495
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
6496 ngx_queue_remove(&frame->queue);
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6497
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6498 #ifdef NGX_QUIC_DEBUG_ALLOC
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6499 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
6500 "quic reuse frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
6501 #endif
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6502
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6503 } else {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6504 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6505 if (frame == NULL) {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6506 return NULL;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6507 }
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6508
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6509 #ifdef NGX_QUIC_DEBUG_ALLOC
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6510 ++qc->nframes;
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6511
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6512 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
6513 "quic alloc frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
6514 #endif
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6515 }
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6516
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6517 ngx_memzero(frame, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6518
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6519 return frame;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6520 }
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6521
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6522
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6523 static void
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6524 ngx_quic_congestion_ack(ngx_connection_t *c, ngx_quic_frame_t *f)
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6525 {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6526 ngx_msec_t timer;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6527 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6528 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6529
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
6530 if (f->plen == 0) {
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
6531 return;
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
6532 }
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
6533
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
6534 qc = ngx_quic_get_connection(c);
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6535 cg = &qc->congestion;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6536
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
6537 cg->in_flight -= f->plen;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6538
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6539 timer = f->last - cg->recovery_start;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6540
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6541 if ((ngx_msec_int_t) timer <= 0) {
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
6542 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623
8550b91e8e35 QUIC: added proper logging of special values.
Vladimir Homutov <vl@nginx.com>
parents: 8622
diff changeset
6543 "quic congestion ack recovery win:%uz ss:%z if:%uz",
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
6544 cg->window, cg->ssthresh, cg->in_flight);
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
6545
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6546 return;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6547 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6548
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6549 if (cg->window < cg->ssthresh) {
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
6550 cg->window += f->plen;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6551
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6552 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623
8550b91e8e35 QUIC: added proper logging of special values.
Vladimir Homutov <vl@nginx.com>
parents: 8622
diff changeset
6553 "quic congestion slow start win:%uz ss:%z if:%uz",
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6554 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6555
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6556 } else {
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
6557 cg->window += qc->tp.max_udp_payload_size * f->plen / cg->window;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6558
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6559 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623
8550b91e8e35 QUIC: added proper logging of special values.
Vladimir Homutov <vl@nginx.com>
parents: 8622
diff changeset
6560 "quic congestion avoidance win:%uz ss:%z if:%uz",
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6561 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6562 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6563
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6564 /* prevent recovery_start from wrapping */
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6565
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6566 timer = cg->recovery_start - ngx_current_msec + qc->tp.max_idle_timeout * 2;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6567
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6568 if ((ngx_msec_int_t) timer < 0) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6569 cg->recovery_start = ngx_current_msec - qc->tp.max_idle_timeout * 2;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6570 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6571 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6572
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6573
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6574 static void
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
6575 ngx_quic_congestion_lost(ngx_connection_t *c, ngx_quic_frame_t *f)
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6576 {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6577 ngx_msec_t timer;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6578 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6579 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6580
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
6581 if (f->plen == 0) {
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
6582 return;
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
6583 }
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
6584
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
6585 qc = ngx_quic_get_connection(c);
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6586 cg = &qc->congestion;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6587
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
6588 cg->in_flight -= f->plen;
8612
b1676cd64dc9 QUIC: cleanup send context properly.
Vladimir Homutov <vl@nginx.com>
parents: 8611
diff changeset
6589 f->plen = 0;
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
6590
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
6591 timer = f->last - cg->recovery_start;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6592
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6593 if ((ngx_msec_int_t) timer <= 0) {
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
6594 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623
8550b91e8e35 QUIC: added proper logging of special values.
Vladimir Homutov <vl@nginx.com>
parents: 8622
diff changeset
6595 "quic congestion lost recovery win:%uz ss:%z if:%uz",
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
6596 cg->window, cg->ssthresh, cg->in_flight);
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
6597
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6598 return;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6599 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6600
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6601 cg->recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6602 cg->window /= 2;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6603
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
6604 if (cg->window < qc->tp.max_udp_payload_size * 2) {
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
6605 cg->window = qc->tp.max_udp_payload_size * 2;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6606 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6607
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6608 cg->ssthresh = cg->window;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6609
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6610 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8623
8550b91e8e35 QUIC: added proper logging of special values.
Vladimir Homutov <vl@nginx.com>
parents: 8622
diff changeset
6611 "quic congestion lost win:%uz ss:%z if:%uz",
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6612 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6613 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6614
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6615
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
6616 static void
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6617 ngx_quic_free_frame(ngx_connection_t *c, ngx_quic_frame_t *frame)
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6618 {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6619 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6620
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
6621 qc = ngx_quic_get_connection(c);
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6622
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6623 if (frame->data) {
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6624 ngx_quic_free_bufs(c, frame->data);
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6625 }
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6626
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
6627 ngx_queue_insert_head(&qc->free_frames, &frame->queue);
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6628
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6629 #ifdef NGX_QUIC_DEBUG_ALLOC
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6630 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
6631 "quic free frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
6632 #endif
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
6633 }
8626
e0947c952d43 QUIC: multiple versions support in ALPN.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8625
diff changeset
6634
e0947c952d43 QUIC: multiple versions support in ALPN.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8625
diff changeset
6635
e0947c952d43 QUIC: multiple versions support in ALPN.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8625
diff changeset
6636 uint32_t
e0947c952d43 QUIC: multiple versions support in ALPN.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8625
diff changeset
6637 ngx_quic_version(ngx_connection_t *c)
e0947c952d43 QUIC: multiple versions support in ALPN.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8625
diff changeset
6638 {
8629
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
6639 uint32_t version;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
6640 ngx_quic_connection_t *qc;
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
6641
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
6642 qc = ngx_quic_get_connection(c);
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
6643
feec2cc762f6 QUIC: got rid of the c->quic field.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
6644 version = qc->version;
8626
e0947c952d43 QUIC: multiple versions support in ALPN.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8625
diff changeset
6645
e0947c952d43 QUIC: multiple versions support in ALPN.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8625
diff changeset
6646 return (version & 0xff000000) == 0xff000000 ? version & 0xff : version;
e0947c952d43 QUIC: multiple versions support in ALPN.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8625
diff changeset
6647 }
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6648
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6649
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6650 static ngx_chain_t *
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6651 ngx_quic_alloc_buf(ngx_connection_t *c)
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6652 {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6653 ngx_buf_t *b;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6654 ngx_chain_t *cl;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6655 ngx_quic_connection_t *qc;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6656
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6657 qc = ngx_quic_get_connection(c);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6658
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6659 if (qc->free_bufs) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6660 cl = qc->free_bufs;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6661 qc->free_bufs = cl->next;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6662
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6663 b = cl->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6664 b->pos = b->start;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6665 b->last = b->start;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6666
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6667 #ifdef NGX_QUIC_DEBUG_ALLOC
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6668 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6669 "quic reuse buffer n:%ui", qc->nbufs);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6670 #endif
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6671
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6672 return cl;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6673 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6674
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6675 cl = ngx_alloc_chain_link(c->pool);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6676 if (cl == NULL) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6677 return NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6678 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6679
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6680 b = ngx_create_temp_buf(c->pool, NGX_QUIC_BUFFER_SIZE);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6681 if (b == NULL) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6682 return NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6683 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6684
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6685 b->tag = (ngx_buf_tag_t) &ngx_quic_alloc_buf;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6686
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6687 cl->buf = b;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6688
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6689 #ifdef NGX_QUIC_DEBUG_ALLOC
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6690 ++qc->nbufs;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6691
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6692 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6693 "quic alloc buffer n:%ui", qc->nbufs);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6694 #endif
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6695
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6696 return cl;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6697 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6698
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6699
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6700 static void
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6701 ngx_quic_free_bufs(ngx_connection_t *c, ngx_chain_t *in)
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6702 {
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6703 ngx_buf_t *b, *shadow;
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6704 ngx_chain_t *cl;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6705 ngx_quic_connection_t *qc;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6706
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6707 qc = ngx_quic_get_connection(c);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6708
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6709 while (in) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6710 #ifdef NGX_QUIC_DEBUG_ALLOC
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6711 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6712 "quic free buffer n:%ui", qc->nbufs);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6713 #endif
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6714
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6715 cl = in;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6716 in = in->next;
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6717 b = cl->buf;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6718
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6719 if (b->shadow) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6720 if (!b->last_shadow) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6721 b->recycled = 1;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6722 ngx_free_chain(c->pool, cl);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6723 continue;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6724 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6725
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6726 do {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6727 shadow = b->shadow;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6728 b->shadow = qc->free_shadow_bufs;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6729 qc->free_shadow_bufs = b;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6730 b = shadow;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6731 } while (b->recycled);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6732
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6733 if (b->shadow) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6734 b->last_shadow = 1;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6735 ngx_free_chain(c->pool, cl);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6736 continue;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6737 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6738
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6739 cl->buf = b;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6740 }
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6741
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6742 cl->next = qc->free_bufs;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6743 qc->free_bufs = cl;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6744 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6745 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6746
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6747
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6748 static ngx_chain_t *
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6749 ngx_quic_copy_buf(ngx_connection_t *c, u_char *data, size_t len)
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6750 {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6751 size_t n;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6752 ngx_buf_t *b;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6753 ngx_chain_t *cl, *out, **ll;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6754
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6755 out = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6756 ll = &out;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6757
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6758 while (len) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6759 cl = ngx_quic_alloc_buf(c);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6760 if (cl == NULL) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6761 return NGX_CHAIN_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6762 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6763
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6764 b = cl->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6765 n = ngx_min((size_t) (b->end - b->last), len);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6766
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6767 b->last = ngx_cpymem(b->last, data, n);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6768
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6769 data += n;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6770 len -= n;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6771
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6772 *ll = cl;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6773 ll = &cl->next;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6774 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6775
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6776 *ll = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6777
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6778 return out;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6779 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6780
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6781
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6782 static ngx_chain_t *
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6783 ngx_quic_copy_chain(ngx_connection_t *c, ngx_chain_t *in, size_t limit)
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6784 {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6785 size_t n;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6786 ngx_buf_t *b;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6787 ngx_chain_t *cl, *out, **ll;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6788
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6789 out = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6790 ll = &out;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6791
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6792 while (in) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6793 if (!ngx_buf_in_memory(in->buf) || ngx_buf_size(in->buf) == 0) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6794 in = in->next;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6795 continue;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6796 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6797
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6798 cl = ngx_quic_alloc_buf(c);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6799 if (cl == NULL) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6800 return NGX_CHAIN_ERROR;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6801 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6802
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6803 *ll = cl;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6804 ll = &cl->next;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6805
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6806 b = cl->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6807
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6808 while (in && b->last != b->end) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6809
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6810 n = ngx_min(in->buf->last - in->buf->pos, b->end - b->last);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6811
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6812 if (limit > 0 && n > limit) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6813 n = limit;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6814 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6815
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6816 b->last = ngx_cpymem(b->last, in->buf->pos, n);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6817
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6818 in->buf->pos += n;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6819 if (in->buf->pos == in->buf->last) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6820 in = in->next;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6821 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6822
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6823 if (limit > 0) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6824 if (limit == n) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6825 goto done;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6826 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6827
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6828 limit -= n;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6829 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6830 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6831
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6832 }
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6833
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6834 done:
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6835
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6836 *ll = NULL;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6837
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6838 return out;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8656
diff changeset
6839 }
8658
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6840
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6841
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6842 static ngx_chain_t *
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6843 ngx_quic_split_bufs(ngx_connection_t *c, ngx_chain_t *in, size_t len)
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6844 {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6845 size_t n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6846 ngx_buf_t *b;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6847 ngx_chain_t *out;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6848 ngx_quic_connection_t *qc;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6849
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6850 qc = ngx_quic_get_connection(c);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6851
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6852 while (in) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6853 n = ngx_buf_size(in->buf);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6854
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6855 if (n == len) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6856 out = in->next;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6857 in->next = NULL;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6858 return out;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6859 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6860
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6861 if (n > len) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6862 break;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6863 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6864
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6865 len -= n;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6866 in = in->next;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6867 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6868
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6869 if (in == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6870 return NULL;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6871 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6872
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6873 /* split in->buf by creating shadow bufs which reference it */
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6874
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6875 if (in->buf->shadow == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6876 if (qc->free_shadow_bufs) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6877 b = qc->free_shadow_bufs;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6878 qc->free_shadow_bufs = b->shadow;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6879
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6880 } else {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6881 b = ngx_alloc_buf(c->pool);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6882 if (b == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6883 return NGX_CHAIN_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6884 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6885 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6886
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6887 *b = *in->buf;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6888 b->shadow = in->buf;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6889 b->last_shadow = 1;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6890 in->buf = b;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6891 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6892
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6893 out = ngx_alloc_chain_link(c->pool);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6894 if (out == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6895 return NGX_CHAIN_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6896 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6897
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6898 if (qc->free_shadow_bufs) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6899 b = qc->free_shadow_bufs;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6900 qc->free_shadow_bufs = b->shadow;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6901
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6902 } else {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6903 b = ngx_alloc_buf(c->pool);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6904 if (b == NULL) {
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6905 ngx_free_chain(c->pool, out);
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6906 return NGX_CHAIN_ERROR;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6907 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6908 }
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6909
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6910 out->buf = b;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6911 out->next = in->next;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6912 in->next = NULL;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6913
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6914 *b = *in->buf;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6915 b->last_shadow = 0;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6916 b->pos = b->pos + len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6917
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6918 in->buf->shadow = b;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6919 in->buf->last = in->buf->pos + len;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6920
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6921 return out;
0af4ec6d1f92 QUIC: coalesce output packets into a single UDP datagram.
Roman Arutyunyan <arut@nginx.com>
parents: 8657
diff changeset
6922 }