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annotate src/event/ngx_event_quic.c @ 8480:f537f99b86ee quic

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QUIC: do not verify the selected ALPN protocol. The right protocol is selected by the HTTP code. In the QUIC code only verify that some protocol was selected and trigger an error otherwise.
author Roman Arutyunyan <arut@nginx.com>
date Sat, 18 Jul 2020 00:08:04 +0300
parents b250b515e5b6
children 0d2b2664b41c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
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1
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
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2 /*
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
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3 * Copyright (C) Nginx, Inc.
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
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4 */
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5
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
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6
8171
4daf03d2bd0a OpenSSL compatibility.
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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
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11
8307
dc7ac778aafe Introduced packet namespace in QUIC connection.
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12 /* 0-RTT and 1-RTT data exist in the same packet number space,
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13 * so we have 3 packet number spaces:
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14 *
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15 * 0 - Initial
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16 * 1 - Handshake
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17 * 2 - 0-RTT and 1-RTT
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18 */
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19 #define ngx_quic_get_send_ctx(qc, level) \
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20 ((level) == ssl_encryption_initial) ? &((qc)->send_ctx[0]) \
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21 : (((level) == ssl_encryption_handshake) ? &((qc)->send_ctx[1]) \
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22 : &((qc)->send_ctx[2]))
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23
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24 #define NGX_QUIC_SEND_CTX_LAST (NGX_QUIC_ENCRYPTION_LAST - 1)
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25
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26 #define NGX_QUIC_STREAMS_INC 16
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27 #define NGX_QUIC_STREAMS_LIMIT (1ULL < 60)
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28
8333
167d32476737 Crypto buffer frames reordering.
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29 /*
167d32476737 Crypto buffer frames reordering.
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30 * 7.4. Cryptographic Message Buffering
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31 * Implementations MUST support buffering at least 4096 bytes of data
167d32476737 Crypto buffer frames reordering.
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32 */
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33 #define NGX_QUIC_MAX_BUFFERED 65535
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34
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35
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36 typedef struct {
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37 ngx_rbtree_t tree;
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38 ngx_rbtree_node_t sentinel;
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39 ngx_connection_handler_pt handler;
8229
cfc429911c0d Implemented creation of server unidirectional streams.
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40
cfc429911c0d Implemented creation of server unidirectional streams.
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41 ngx_uint_t id_counter;
8338
0f9e9786b90d Added primitive flow control mechanisms.
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42
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
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43 uint64_t received;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
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44 uint64_t sent;
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45 uint64_t recv_max_data;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
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46 uint64_t send_max_data;
8225
714a19dba6af Style and handlers.
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diff changeset
47 } ngx_quic_streams_t;
8182
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48
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
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49
8364
eee307399229 QUIC basic congestion control.
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50 typedef struct {
eee307399229 QUIC basic congestion control.
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51 size_t in_flight;
eee307399229 QUIC basic congestion control.
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52 size_t window;
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53 size_t ssthresh;
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54 ngx_msec_t recovery_start;
eee307399229 QUIC basic congestion control.
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diff changeset
55 } ngx_quic_congestion_t;
eee307399229 QUIC basic congestion control.
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56
eee307399229 QUIC basic congestion control.
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57
8331
bda817d16cc2 Rename types and variables used for packet number space.
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diff changeset
58 /*
bda817d16cc2 Rename types and variables used for packet number space.
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59 * 12.3. Packet Numbers
bda817d16cc2 Rename types and variables used for packet number space.
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60 *
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61 * Conceptually, a packet number space is the context in which a packet
bda817d16cc2 Rename types and variables used for packet number space.
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62 * can be processed and acknowledged. Initial packets can only be sent
bda817d16cc2 Rename types and variables used for packet number space.
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parents: 8328
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63 * with Initial packet protection keys and acknowledged in packets which
bda817d16cc2 Rename types and variables used for packet number space.
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64 * are also Initial packets.
bda817d16cc2 Rename types and variables used for packet number space.
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65 */
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66 typedef struct {
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67 ngx_quic_secret_t client_secret;
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68 ngx_quic_secret_t server_secret;
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69
8401
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70 uint64_t pnum; /* to be sent */
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71 uint64_t largest_ack; /* received from peer */
Vladimir Homutov <vl@nginx.com>
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72 uint64_t largest_pn; /* received from peer */
8308
e10b4c61420f Implemented retransmission and retransmit queue.
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parents: 8307
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73
e10b4c61420f Implemented retransmission and retransmit queue.
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74 ngx_queue_t frames;
e10b4c61420f Implemented retransmission and retransmit queue.
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75 ngx_queue_t sent;
8476
f9fbeb4ee0de QUIC: added limit of queued data.
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76
f9fbeb4ee0de QUIC: added limit of queued data.
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77 size_t frames_len;
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78 } ngx_quic_send_ctx_t;
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79
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80
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81 struct ngx_quic_connection_s {
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82 ngx_str_t scid;
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83 ngx_str_t dcid;
8381
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets.
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parents: 8380
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84 ngx_str_t odcid;
8225
714a19dba6af Style and handlers.
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85 ngx_str_t token;
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86
8260
f388c0ad3477 Added processing of client transport parameters.
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87 ngx_uint_t client_tp_done;
8247
e9891e8ee975 Configurable transport parameters.
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88 ngx_quic_tp_t tp;
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
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89 ngx_quic_tp_t ctp;
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e9891e8ee975 Configurable transport parameters.
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90
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91 ngx_quic_send_ctx_t send_ctx[NGX_QUIC_SEND_CTX_LAST];
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
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92 ngx_quic_secrets_t keys[NGX_QUIC_ENCRYPTION_LAST];
8319
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
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93 ngx_quic_secrets_t next_key;
8333
167d32476737 Crypto buffer frames reordering.
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94 ngx_quic_frames_stream_t crypto[NGX_QUIC_ENCRYPTION_LAST];
8306
058a5af7ddfc Refactored QUIC secrets storage.
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95
8225
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96 ngx_ssl_t *ssl;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
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97
8309
7ea2c68735f9 Output buffering.
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diff changeset
98 ngx_event_t push;
8472
3b15732ac03f QUIC: renaming.
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99 ngx_event_t pto;
8355
ad3a6f069498 Added proper handling of connection close phases.
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100 ngx_event_t close;
8308
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101 ngx_queue_t free_frames;
8355
ad3a6f069498 Added proper handling of connection close phases.
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diff changeset
102 ngx_msec_t last_cc;
8286
c7185bc5b4d9 QUIC frames reuse.
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parents: 8285
diff changeset
103
8469
3b107aadc9f6 QUIC: added rtt estimation.
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104 ngx_msec_t latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
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105 ngx_msec_t avg_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
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106 ngx_msec_t min_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
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diff changeset
107 ngx_msec_t rttvar;
3b107aadc9f6 QUIC: added rtt estimation.
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108
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b276833111cf QUIC: implemented probe timeout (PTO) calculation.
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109 ngx_msec_t pto_count;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
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110
8286
c7185bc5b4d9 QUIC frames reuse.
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111 #if (NGX_DEBUG)
c7185bc5b4d9 QUIC frames reuse.
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112 ngx_uint_t nframes;
c7185bc5b4d9 QUIC frames reuse.
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113 #endif
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114
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115 ngx_quic_streams_t streams;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
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116 ngx_quic_congestion_t congestion;
8477
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
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117 size_t received;
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
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118
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de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
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119 uint64_t cur_streams;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
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120 uint64_t max_streams;
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parents: 8312
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121
8385
fb7422074258 Added generation of CC frames with error on connection termination.
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parents: 8384
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122 ngx_uint_t error;
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
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123 enum ssl_encryption_level_t error_level;
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
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124 ngx_uint_t error_ftype;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
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125 const char *error_reason;
8385
fb7422074258 Added generation of CC frames with error on connection termination.
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parents: 8384
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126
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
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diff changeset
127 unsigned error_app:1;
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
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diff changeset
128 unsigned send_timer_set:1;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
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129 unsigned closing:1;
8355
ad3a6f069498 Added proper handling of connection close phases.
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parents: 8354
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130 unsigned draining:1;
8319
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
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131 unsigned key_phase:1;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
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132 unsigned in_retry:1;
8397
1245e274b9ba Avoided excessive definitions for connection state.
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133 unsigned initialized:1;
8477
031918df51c0 QUIC: added anti-amplification limit.
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134 unsigned validated:1;
8225
714a19dba6af Style and handlers.
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135 };
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
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parents: 8205
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136
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
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137
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
138 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
139 ngx_quic_frame_t *frame, void *data);
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
140
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
141
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
142 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
143 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
144 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
145 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
146 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
147 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
148 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
149 #else
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
150 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
151 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
152 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
153 #endif
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
154
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
155 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
156 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
157 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
158 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
159 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
160
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
161
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
162 static ngx_int_t ngx_quic_new_connection(ngx_connection_t *c, ngx_ssl_t *ssl,
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
163 ngx_quic_tp_t *tp, ngx_quic_header_t *pkt,
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
164 ngx_connection_handler_pt handler);
8382
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
165 static ngx_int_t ngx_quic_new_dcid(ngx_connection_t *c, ngx_str_t *odcid);
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
166 static ngx_int_t ngx_quic_retry(ngx_connection_t *c);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
167 static ngx_int_t ngx_quic_new_token(ngx_connection_t *c, ngx_str_t *token);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
168 static ngx_int_t ngx_quic_validate_token(ngx_connection_t *c,
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
169 ngx_quic_header_t *pkt);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
170 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
171 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
172 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
173
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
174 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
175 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
176 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
177 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
178 ngx_quic_connection_t *qc);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
179
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
180 static ngx_int_t ngx_quic_input(ngx_connection_t *c, ngx_buf_t *b);
8377
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
181 static ngx_inline u_char *ngx_quic_skip_zero_padding(ngx_buf_t *b);
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
182 static ngx_int_t ngx_quic_retry_input(ngx_connection_t *c,
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
183 ngx_quic_header_t *pkt);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
184 static ngx_int_t ngx_quic_initial_input(ngx_connection_t *c,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
185 ngx_quic_header_t *pkt);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
186 static ngx_int_t ngx_quic_handshake_input(ngx_connection_t *c,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
187 ngx_quic_header_t *pkt);
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
188 static ngx_int_t ngx_quic_early_input(ngx_connection_t *c,
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
189 ngx_quic_header_t *pkt);
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
190 static ngx_int_t ngx_quic_check_peer(ngx_quic_connection_t *qc,
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
191 ngx_quic_header_t *pkt);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
192 static ngx_int_t ngx_quic_app_input(ngx_connection_t *c,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
193 ngx_quic_header_t *pkt);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
194 static ngx_int_t ngx_quic_payload_handler(ngx_connection_t *c,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
195 ngx_quic_header_t *pkt);
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
196 static ngx_int_t ngx_quic_send_ack(ngx_connection_t *c, ngx_quic_header_t *pkt);
8470
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
197 static ngx_int_t ngx_quic_ack_delay(ngx_connection_t *c,
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
198 struct timeval *received, enum ssl_encryption_level_t level);
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
199 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
200 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
201
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
202 static ngx_int_t ngx_quic_handle_ack_frame(ngx_connection_t *c,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
203 ngx_quic_header_t *pkt, ngx_quic_ack_frame_t *f);
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
204 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
205 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
206 ngx_msec_t *send_time);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
207 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
208 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
209 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
210 ngx_quic_send_ctx_t *ctx);
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
211 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
212 ngx_quic_frame_t *f);
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
213
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
214 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
215 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
216 ngx_quic_frame_handler_pt handler, void *data);
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
217 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
218 ngx_quic_frame_t *f, uint64_t offset_in);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
219 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
220 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
221
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
222 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
223 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
224 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
225 ngx_quic_frame_t *frame, void *data);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
226 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
227 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
228 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
229 ngx_quic_frame_t *frame, void *data);
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
230
8314
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
231 static ngx_int_t ngx_quic_handle_max_streams(ngx_connection_t *c);
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
232 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
233 ngx_quic_max_data_frame_t *f);
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
234 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
235 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
236 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
237 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
238 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
239 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
240 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
241 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
242 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
243 ngx_quic_header_t *pkt, ngx_quic_stop_sending_frame_t *f);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
244
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
245 static void ngx_quic_queue_frame(ngx_quic_connection_t *qc,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
246 ngx_quic_frame_t *frame);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
247
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
248 static ngx_int_t ngx_quic_output(ngx_connection_t *c);
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
249 static ngx_int_t ngx_quic_output_frames(ngx_connection_t *c,
8332
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8331
diff changeset
250 ngx_quic_send_ctx_t *ctx);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
251 static void ngx_quic_free_frames(ngx_connection_t *c, ngx_queue_t *frames);
8473
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
252 static ngx_int_t ngx_quic_send_frames(ngx_connection_t *c,
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
253 ngx_quic_send_ctx_t *ctx, ngx_queue_t *frames);
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
254
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
255 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
256 ngx_quic_send_ctx_t *ctx);
8472
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
257 static void ngx_quic_pto_handler(ngx_event_t *ev);
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
258 static ngx_int_t ngx_quic_detect_lost(ngx_connection_t *c, ngx_uint_t ack);
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
259 static void ngx_quic_push_handler(ngx_event_t *ev);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
260
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
261 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
262 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
263 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
264 uint64_t id);
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
265 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
266 uint64_t id, size_t rcvbuf_size);
8211
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
267 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
268 size_t size);
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
269 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
270 size_t size);
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
271 static void ngx_quic_stream_cleanup_handler(void *data);
8211
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
272 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
273 ngx_chain_t *in, off_t limit);
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
274 static ngx_quic_frame_t *ngx_quic_alloc_frame(ngx_connection_t *c, size_t size);
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
275 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
276
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
277 static void ngx_quic_congestion_ack(ngx_connection_t *c,
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
278 ngx_quic_frame_t *frame);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
279 static void ngx_quic_congestion_lost(ngx_connection_t *c, ngx_msec_t sent);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
280
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
281
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
282 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
283 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
284 ngx_quic_set_read_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
285 ngx_quic_set_write_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
286 #else
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
287 ngx_quic_set_encryption_secrets,
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
288 #endif
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
289 ngx_quic_add_handshake_data,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
290 ngx_quic_flush_flight,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
291 ngx_quic_send_alert,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
292 };
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
293
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
294
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
295 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
296
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
297 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
298 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
299 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
300 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
301 {
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
302 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
303 ngx_quic_secrets_t *keys;
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
304
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
305 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
306
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
307 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
308 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
309 "quic ngx_quic_set_read_secret() level:%d", level);
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
310 ngx_quic_hexdump(c->log, "quic read secret", rsecret, secret_len);
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
311 #endif
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
312
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
313 keys = &c->quic->keys[level];
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
314
8221
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
315 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level,
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
316 rsecret, secret_len,
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
317 &keys->client);
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
318 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
319
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
320
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
321 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
322 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
323 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
324 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
325 {
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
326 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
327 ngx_quic_secrets_t *keys;
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
328
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
329 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
330
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
331 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
332 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
333 "quic ngx_quic_set_write_secret() level:%d", level);
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
334 ngx_quic_hexdump(c->log, "quic write secret", wsecret, secret_len);
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
335 #endif
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
336
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
337 keys = &c->quic->keys[level];
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
338
8221
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
339 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level,
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
340 wsecret, secret_len,
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
341 &keys->server);
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
342 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
343
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
344 #else
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
345
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
346 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
347 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
348 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
349 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
350 {
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
351 ngx_int_t rc;
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
352 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
353 ngx_quic_secrets_t *keys;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
354
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
355 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
356
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
357 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
358 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
359 "quic ngx_quic_set_encryption_secrets() level:%d", level);
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
360 ngx_quic_hexdump(c->log, "quic read", rsecret, secret_len);
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
361 #endif
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
362
8327
0ae50d90658a Fixed build with OpenSSL using old callbacks API.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8326
diff changeset
363 keys = &c->quic->keys[level];
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
364
8221
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
365 rc = ngx_quic_set_encryption_secret(c->pool, ssl_conn, level,
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
366 rsecret, secret_len,
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
367 &keys->client);
8221
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
368 if (rc != 1) {
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
369 return rc;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
370 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
371
8303
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8302
diff changeset
372 if (level == ssl_encryption_early_data) {
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8302
diff changeset
373 return 1;
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8302
diff changeset
374 }
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8302
diff changeset
375
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
376 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
377 ngx_quic_hexdump(c->log, "quic write", wsecret, secret_len);
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
378 #endif
8303
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8302
diff changeset
379
8221
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
380 return ngx_quic_set_encryption_secret(c->pool, ssl_conn, level,
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
381 wsecret, secret_len,
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
382 &keys->server);
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
383 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
384
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
385 #endif
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
386
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
387
8184
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
388 static int
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
389 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
390 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
391 {
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
392 u_char *p, *end;
8345
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
393 size_t client_params_len, fsize, limit;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
394 const uint8_t *client_params;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
395 ngx_quic_frame_t *frame;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
396 ngx_connection_t *c;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
397 ngx_quic_connection_t *qc;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
398 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
399
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
400 c = ngx_ssl_get_connection((ngx_ssl_conn_t *) ssl_conn);
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
401 qc = c->quic;
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
402
8186
0a2683df5f11 Implemented improved version of quic_output().
Vladimir Homutov <vl@nginx.com>
parents: 8185
diff changeset
403 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
404 "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
405
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
406 if (!qc->client_tp_done) {
8438
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
407 /*
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
408 * things to do once during handshake: check ALPN and transport
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
409 * parameters; we want to break handshake if something is wrong
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
410 * here;
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
411 */
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
412
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
413 #if defined(TLSEXT_TYPE_application_layer_protocol_negotiation)
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
414 {
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
415 unsigned int len;
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
416 const unsigned char *data;
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
417
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
418 SSL_get0_alpn_selected(c->ssl->connection, &data, &len);
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
419
8480
f537f99b86ee QUIC: do not verify the selected ALPN protocol.
Roman Arutyunyan <arut@nginx.com>
parents: 8479
diff changeset
420 if (len == 0) {
8438
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
421 qc->error = 0x100 + SSL_AD_NO_APPLICATION_PROTOCOL;
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
422 qc->error_reason = "unsupported protocol in ALPN extension";
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
423
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
424 ngx_log_error(NGX_LOG_INFO, c->log, 0,
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
425 "quic unsupported protocol in ALPN extension");
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
426 return 0;
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
427 }
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
428 }
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
429 #endif
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
430
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
431 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
432 &client_params_len);
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
433
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
434 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
435 "quic SSL_get_peer_quic_transport_params():"
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
436 " params_len %ui", client_params_len);
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
437
8435
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
438 if (client_params_len == 0) {
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
439 /* 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
440 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
441 qc->error_reason = "missing transport parameters";
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
442
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
443 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
444 "missing transport parameters");
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
445 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
446 }
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
447
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
448 p = (u_char *) client_params;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
449 end = p + client_params_len;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
450
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
451 if (ngx_quic_parse_transport_params(p, end, &qc->ctp, c->log)
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
452 != NGX_OK)
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
453 {
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
454 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
455 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
456
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
457 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
458 }
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
459
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
460 if (qc->ctp.max_idle_timeout > 0
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
461 && qc->ctp.max_idle_timeout < qc->tp.max_idle_timeout)
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
462 {
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
463 qc->tp.max_idle_timeout = qc->ctp.max_idle_timeout;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
464 }
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
465
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
466 if (qc->ctp.max_udp_payload_size < NGX_QUIC_MIN_INITIAL_SIZE
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
467 || qc->ctp.max_udp_payload_size > NGX_QUIC_MAX_UDP_PAYLOAD_SIZE)
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
468 {
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
469 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
470 qc->error_reason = "invalid maximum packet size";
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
471
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
472 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
473 "quic maximum packet size is invalid");
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
474 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
475 }
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
476
8436
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
477 if (qc->ctp.max_udp_payload_size > ngx_quic_max_udp_payload(c)) {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
478 qc->ctp.max_udp_payload_size = ngx_quic_max_udp_payload(c);
8435
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
479 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
480 "quic client maximum packet size truncated");
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
481 }
8432
391d06a51bc0 Limited max udp payload size for outgoing packets.
Vladimir Homutov <vl@nginx.com>
parents: 8431
diff changeset
482
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
483 #if (NGX_QUIC_DRAFT_VERSION >= 28)
8435
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
484 if (qc->scid.len != qc->ctp.initial_scid.len
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
485 || ngx_memcmp(qc->scid.data, qc->ctp.initial_scid.data,
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
486 qc->scid.len) != 0)
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
487 {
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
488 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
489 "quic client initial_source_connection_id "
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
490 "mismatch");
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
491 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
492 }
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
493 #endif
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
494
8435
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
495 qc->client_tp_done = 1;
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
496 }
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
497
8345
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
498 /*
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
499 * we need to fit at least 1 frame into a packet, thus account head/tail;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
500 * 17 = 1 + 8x2 is max header for CRYPTO frame, with 1 byte for frame type
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
501 */
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
502 limit = qc->ctp.max_udp_payload_size - NGX_QUIC_MAX_LONG_HEADER - 17
8345
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
503 - EVP_GCM_TLS_TAG_LEN;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
504
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
505 fs = &qc->crypto[level];
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
506
8345
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
507 p = (u_char *) data;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
508 end = (u_char *) data + len;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
509
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
510 while (p < end) {
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
511
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
512 fsize = ngx_min(limit, (size_t) (end - p));
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
513
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
514 frame = ngx_quic_alloc_frame(c, fsize);
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
515 if (frame == NULL) {
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
516 return 0;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
517 }
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
518
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
519 ngx_memcpy(frame->data, p, fsize);
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
520
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
521 frame->level = level;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
522 frame->type = NGX_QUIC_FT_CRYPTO;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
523 frame->u.crypto.offset = fs->sent;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
524 frame->u.crypto.length = fsize;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
525 frame->u.crypto.data = frame->data;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
526
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
527 fs->sent += fsize;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
528 p += fsize;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
529
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
530 ngx_sprintf(frame->info, "crypto, generated by SSL len=%ui level=%d",
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
531 fsize, level);
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
532
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
533 ngx_quic_queue_frame(qc, frame);
8186
0a2683df5f11 Implemented improved version of quic_output().
Vladimir Homutov <vl@nginx.com>
parents: 8185
diff changeset
534 }
8184
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
535
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
536 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
537 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
538
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
539
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
540 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
541 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
542 {
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
543 #if (NGX_DEBUG)
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
544 ngx_connection_t *c;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
545
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
546 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
547
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
548 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
549 "quic ngx_quic_flush_flight()");
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
550 #endif
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
551 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
552 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
553
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
554
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
555 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
556 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
557 uint8_t alert)
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
558 {
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
559 ngx_connection_t *c;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
560 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
561
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
562 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
563
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
564 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
565 "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
566 (int) level, (int) alert);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
567
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
568 qc = c->quic;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
569 if (qc == NULL) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
570 return 1;
8235
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8234
diff changeset
571 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8234
diff changeset
572
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
573 qc->error_level = level;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
574 qc->error = NGX_QUIC_ERR_CRYPTO(alert);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
575 qc->error_reason = "TLS alert";
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
576 qc->error_app = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
577 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
578
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
579 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
580 return 0;
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8234
diff changeset
581 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8234
diff changeset
582
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
583 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
584 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
585
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
586
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
587 void
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
588 ngx_quic_run(ngx_connection_t *c, ngx_ssl_t *ssl, ngx_quic_tp_t *tp,
8271
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
589 ngx_connection_handler_pt handler)
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
590 {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
591 ngx_buf_t *b;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
592 ngx_quic_header_t pkt;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
593
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
594 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
595
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
596 c->log->action = "QUIC initialization";
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
597
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
598 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
599
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
600 b = c->buffer;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
601
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
602 pkt.log = c->log;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
603 pkt.raw = b;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
604 pkt.data = b->start;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
605 pkt.len = b->last - b->start;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
606
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
607 if (ngx_quic_new_connection(c, ssl, tp, &pkt, handler) != NGX_OK) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
608 ngx_quic_close_connection(c, NGX_ERROR);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
609 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
610 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
611
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
612 ngx_add_timer(c->read, c->quic->in_retry ? NGX_QUIC_RETRY_TIMEOUT
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
613 : c->quic->tp.max_idle_timeout);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
614
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
615 c->read->handler = ngx_quic_input_handler;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
616
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
617 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
618 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
619
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
620
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
621 static ngx_int_t
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
622 ngx_quic_new_connection(ngx_connection_t *c, ngx_ssl_t *ssl, ngx_quic_tp_t *tp,
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
623 ngx_quic_header_t *pkt, ngx_connection_handler_pt handler)
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
624 {
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
625 ngx_int_t rc;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
626 ngx_uint_t i;
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
627 ngx_quic_tp_t *ctp;
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
628 ngx_quic_secrets_t *keys;
8339
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
629 ngx_quic_send_ctx_t *ctx;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
630 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
631 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
632
8345
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
633 if (ngx_buf_size(pkt->raw) < NGX_QUIC_MIN_INITIAL_SIZE) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
634 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
635 "quic UDP datagram is too small for initial packet");
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
636 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
637 }
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
638
8386
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
639 rc = ngx_quic_parse_long_header(pkt);
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
640 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
641 return rc;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
642 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
643
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8247
diff changeset
644 if (!ngx_quic_pkt_in(pkt->flags)) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
645 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
646 "quic invalid initial packet: 0x%xd", pkt->flags);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
647 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
648 }
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
649
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
650 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
651 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
652 }
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
653
8387
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
654 if (pkt->dcid.len < NGX_QUIC_CID_LEN_MIN) {
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
655 /* 7.2. Negotiating Connection IDs */
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
656 ngx_log_error(NGX_LOG_INFO, c->log, 0,
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
657 "quic too short dcid in initial packet: length %i",
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
658 pkt->dcid.len);
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
659 return NGX_ERROR;
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
660 }
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
661
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
662 c->log->action = "creating new quic connection";
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
663
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
664 qc = ngx_pcalloc(c->pool, sizeof(ngx_quic_connection_t));
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
665 if (qc == NULL) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
666 return NGX_ERROR;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
667 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
668
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
669 ngx_rbtree_init(&qc->streams.tree, &qc->streams.sentinel,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
670 ngx_quic_rbtree_insert_stream);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
671
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
672 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
673 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
674 ngx_queue_init(&qc->send_ctx[i].sent);
8339
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
675 qc->send_ctx[i].largest_pn = (uint64_t) -1;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
676 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
677
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
678 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
679 ngx_queue_init(&qc->crypto[i].frames);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
680 }
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
681
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
682 ngx_queue_init(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
683
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
684 qc->avg_rtt = NGX_QUIC_INITIAL_RTT;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
685 qc->rttvar = NGX_QUIC_INITIAL_RTT / 2;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
686 qc->min_rtt = NGX_TIMER_INFINITE;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
687
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
688 /*
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
689 * qc->latest_rtt = 0
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
690 */
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
691
8477
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
692 qc->received = pkt->raw->last - pkt->raw->start;
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
693
8472
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
694 qc->pto.log = c->log;
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
695 qc->pto.data = c;
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
696 qc->pto.handler = ngx_quic_pto_handler;
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
697 qc->pto.cancelable = 1;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
698
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
699 qc->push.log = c->log;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
700 qc->push.data = c;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
701 qc->push.handler = ngx_quic_push_handler;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
702 qc->push.cancelable = 1;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
703
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
704 c->quic = qc;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
705 qc->ssl = ssl;
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
706 qc->tp = *tp;
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
707 qc->streams.handler = handler;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
708
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
709 ctp = &qc->ctp;
8436
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
710 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
711 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
712 ctp->max_ack_delay = NGX_QUIC_DEFAULT_MAX_ACK_DELAY;
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
713
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
714 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
715
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
716 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
717 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
718 14720));
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
719 qc->congestion.ssthresh = NGX_MAX_SIZE_T_VALUE;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
720 qc->congestion.recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
721
8382
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
722 if (ngx_quic_new_dcid(c, &pkt->dcid) != NGX_OK) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
723 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
724 }
8368
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
725
8421
c206233d9c29 Fixed transport parameters on a new connection with a valid token.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8417
diff changeset
726 #if (NGX_QUIC_DRAFT_VERSION >= 28)
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
727 qc->tp.original_dcid = c->quic->odcid;
8421
c206233d9c29 Fixed transport parameters on a new connection with a valid token.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8417
diff changeset
728 #endif
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
729 qc->tp.initial_scid = c->quic->dcid;
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
730
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
731 qc->scid.len = pkt->scid.len;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
732 qc->scid.data = ngx_pnalloc(c->pool, qc->scid.len);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
733 if (qc->scid.data == NULL) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
734 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
735 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
736 ngx_memcpy(qc->scid.data, pkt->scid.data, qc->scid.len);
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
737
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
738 keys = &c->quic->keys[ssl_encryption_initial];
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
739
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
740 if (ngx_quic_set_initial_secret(c->pool, &keys->client, &keys->server,
8381
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8380
diff changeset
741 &qc->odcid)
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
742 != NGX_OK)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
743 {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
744 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
745 }
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
746
8397
1245e274b9ba Avoided excessive definitions for connection state.
Vladimir Homutov <vl@nginx.com>
parents: 8394
diff changeset
747 qc->initialized = 1;
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
748
8443
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8442
diff changeset
749 if (ngx_terminate || ngx_exiting) {
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8442
diff changeset
750 qc->error = NGX_QUIC_ERR_CONNECTION_REFUSED;
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8442
diff changeset
751 return NGX_ERROR;
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8442
diff changeset
752 }
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8442
diff changeset
753
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
754 if (pkt->token.len) {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
755 rc = ngx_quic_validate_token(c, pkt);
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
756
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
757 if (rc == NGX_ERROR) {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
758 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic invalid token");
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
759 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
760 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
761
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
762 if (rc == NGX_DECLINED) {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
763 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic expired token");
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
764 return ngx_quic_retry(c);
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
765 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
766
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
767 /* NGX_OK */
8477
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
768 qc->validated = 1;
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
769
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
770 } else if (tp->retry) {
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
771 return ngx_quic_retry(c);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
772 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
773
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
774 pkt->secret = &keys->client;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
775 pkt->level = ssl_encryption_initial;
8288
ebd5c71b9f02 Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents: 8286
diff changeset
776 pkt->plaintext = buf;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
777
8339
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
778 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
779
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
780 if (ngx_quic_decrypt(pkt, NULL, &ctx->largest_pn) != NGX_OK) {
8386
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
781 qc->error = pkt->error;
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
782 qc->error_reason = "failed to decrypt packet";
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
783
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
784 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
785 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
786
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
787 if (ngx_quic_init_connection(c) != NGX_OK) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
788 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
789 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
790
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
791 if (ngx_quic_payload_handler(c, pkt) != NGX_OK) {
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
792 return NGX_ERROR;
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
793 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
794
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
795 /* pos is at header end, adjust by actual packet length */
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
796 pkt->raw->pos += pkt->len;
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
797
8377
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
798 (void) ngx_quic_skip_zero_padding(pkt->raw);
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
799
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
800 return ngx_quic_input(c, pkt->raw);
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
801 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
802
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
803
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
804 static ngx_int_t
8382
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
805 ngx_quic_new_dcid(ngx_connection_t *c, ngx_str_t *odcid)
8368
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
806 {
8382
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
807 uint8_t len;
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
808 ngx_quic_connection_t *qc;
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
809
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
810 qc = c->quic;
8368
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
811
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
812 if (RAND_bytes(&len, sizeof(len)) != 1) {
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
813 return NGX_ERROR;
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
814 }
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
815
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
816 len = len % 10 + 10;
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
817
8382
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
818 qc->dcid.len = len;
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
819 qc->dcid.data = ngx_pnalloc(c->pool, len);
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
820 if (qc->dcid.data == NULL) {
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
821 return NGX_ERROR;
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
822 }
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
823
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
824 if (RAND_bytes(qc->dcid.data, len) != 1) {
8368
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
825 return NGX_ERROR;
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
826 }
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
827
8382
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
828 #ifdef NGX_QUIC_DEBUG_PACKETS
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
829 ngx_quic_hexdump(c->log, "quic server CID", qc->dcid.data, qc->dcid.len);
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
830 #endif
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
831
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
832 qc->odcid.len = odcid->len;
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
833 qc->odcid.data = ngx_pstrdup(c->pool, odcid);
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
834 if (qc->odcid.data == NULL) {
8368
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
835 return NGX_ERROR;
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
836 }
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
837
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
838 return NGX_OK;
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
839 }
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
840
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
841
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
842 static ngx_int_t
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
843 ngx_quic_retry(ngx_connection_t *c)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
844 {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
845 ssize_t len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
846 ngx_str_t res, token;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
847 ngx_quic_header_t pkt;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
848 u_char buf[NGX_QUIC_RETRY_BUFFER_SIZE];
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
849
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
850 if (ngx_quic_new_token(c, &token) != NGX_OK) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
851 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
852 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
853
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
854 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
855 pkt.flags = NGX_QUIC_PKT_FIXED_BIT | NGX_QUIC_PKT_LONG | NGX_QUIC_PKT_RETRY;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
856 pkt.log = c->log;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
857 pkt.odcid = c->quic->odcid;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
858 pkt.dcid = c->quic->scid;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
859 pkt.scid = c->quic->dcid;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
860 pkt.token = token;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
861
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
862 res.data = buf;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
863
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
864 if (ngx_quic_encrypt(&pkt, NULL, &res) != NGX_OK) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
865 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
866 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
867
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
868 #ifdef NGX_QUIC_DEBUG_PACKETS
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
869 ngx_quic_hexdump(c->log, "quic packet to send", res.data, res.len);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
870 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
871
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
872 len = c->send(c, res.data, res.len);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
873 if (len == NGX_ERROR || (size_t) len != res.len) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
874 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
875 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
876
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
877 c->quic->token = token;
8421
c206233d9c29 Fixed transport parameters on a new connection with a valid token.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8417
diff changeset
878 #if (NGX_QUIC_DRAFT_VERSION < 28)
c206233d9c29 Fixed transport parameters on a new connection with a valid token.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8417
diff changeset
879 c->quic->tp.original_dcid = c->quic->odcid;
c206233d9c29 Fixed transport parameters on a new connection with a valid token.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8417
diff changeset
880 #endif
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
881 c->quic->tp.retry_scid = c->quic->dcid;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
882 c->quic->in_retry = 1;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
883
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
884 return NGX_OK;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
885 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
886
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
887
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
888 static ngx_int_t
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
889 ngx_quic_new_token(ngx_connection_t *c, ngx_str_t *token)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
890 {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
891 int len, iv_len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
892 u_char *data, *p, *key, *iv;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
893 ngx_msec_t now;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
894 EVP_CIPHER_CTX *ctx;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
895 const EVP_CIPHER *cipher;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
896 struct sockaddr_in *sin;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
897 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
898 struct sockaddr_in6 *sin6;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
899 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
900 u_char in[NGX_QUIC_MAX_TOKEN_SIZE];
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
901
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
902 switch (c->sockaddr->sa_family) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
903
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
904 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
905 case AF_INET6:
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
906 sin6 = (struct sockaddr_in6 *) c->sockaddr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
907
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
908 len = sizeof(struct in6_addr);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
909 data = sin6->sin6_addr.s6_addr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
910
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
911 break;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
912 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
913
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
914 #if (NGX_HAVE_UNIX_DOMAIN)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
915 case AF_UNIX:
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
916
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
917 len = ngx_min(c->addr_text.len, NGX_QUIC_MAX_TOKEN_SIZE - sizeof(now));
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
918 data = c->addr_text.data;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
919
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
920 break;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
921 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
922
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
923 default: /* AF_INET */
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
924 sin = (struct sockaddr_in *) c->sockaddr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
925
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
926 len = sizeof(in_addr_t);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
927 data = (u_char *) &sin->sin_addr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
928
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
929 break;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
930 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
931
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
932 p = ngx_cpymem(in, data, len);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
933
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
934 now = ngx_current_msec;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
935 len += sizeof(now);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
936 ngx_memcpy(p, &now, sizeof(now));
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
937
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
938 cipher = EVP_aes_256_cbc();
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
939 iv_len = EVP_CIPHER_iv_length(cipher);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
940
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
941 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
942 token->data = ngx_pnalloc(c->pool, token->len);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
943 if (token->data == NULL) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
944 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
945 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
946
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
947 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
948 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
949 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
950 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
951
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
952 key = c->quic->tp.token_key;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
953 iv = token->data;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
954
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
955 if (RAND_bytes(iv, iv_len) <= 0
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
956 || !EVP_EncryptInit_ex(ctx, cipher, NULL, key, iv))
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
957 {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
958 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
959 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
960 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
961
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
962 token->len = iv_len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
963
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
964 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
965 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
966 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
967 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
968
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
969 token->len += len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
970
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
971 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
972 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
973 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
974 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
975
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
976 token->len += len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
977
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
978 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
979
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
980 #ifdef NGX_QUIC_DEBUG_PACKETS
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
981 ngx_quic_hexdump(c->log, "quic new token", token->data, token->len);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
982 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
983
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
984 return NGX_OK;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
985 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
986
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
987
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
988 static ngx_int_t
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
989 ngx_quic_validate_token(ngx_connection_t *c, ngx_quic_header_t *pkt)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
990 {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
991 int len, tlen, iv_len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
992 u_char *key, *iv, *p, *data;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
993 ngx_msec_t msec;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
994 EVP_CIPHER_CTX *ctx;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
995 const EVP_CIPHER *cipher;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
996 struct sockaddr_in *sin;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
997 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
998 struct sockaddr_in6 *sin6;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
999 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1000 ngx_quic_connection_t *qc;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1001 u_char tdec[NGX_QUIC_MAX_TOKEN_SIZE];
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1002
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1003 if (pkt->token.len == 0) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1004 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1005 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1006
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1007 qc = c->quic;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1008
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1009 /* Retry token */
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1010
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1011 if (qc->token.len) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1012 if (pkt->token.len != qc->token.len) {
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1013 goto bad_token;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1014 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1015
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1016 if (ngx_memcmp(pkt->token.data, qc->token.data, pkt->token.len) != 0) {
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1017 goto bad_token;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1018 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1019
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1020 return NGX_OK;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1021 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1022
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1023 /* NEW_TOKEN in a previous connection */
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1024
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1025 cipher = EVP_aes_256_cbc();
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1026 key = c->quic->tp.token_key;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1027 iv = pkt->token.data;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1028 iv_len = EVP_CIPHER_iv_length(cipher);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1029
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1030 /* sanity checks */
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1031
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1032 if (pkt->token.len < (size_t) iv_len + EVP_CIPHER_block_size(cipher)) {
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1033 goto bad_token;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1034 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1035
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1036 if (pkt->token.len > (size_t) iv_len + NGX_QUIC_MAX_TOKEN_SIZE) {
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1037 goto bad_token;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1038 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1039
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1040 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1041 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1042 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1043 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1044
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1045 if (!EVP_DecryptInit_ex(ctx, cipher, NULL, key, iv)) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1046 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1047 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1048 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1049
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1050 p = pkt->token.data + iv_len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1051 len = pkt->token.len - iv_len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1052
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1053 if (EVP_DecryptUpdate(ctx, tdec, &len, p, len) != 1) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1054 EVP_CIPHER_CTX_free(ctx);
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1055 goto bad_token;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1056 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1057
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1058 if (EVP_DecryptFinal_ex(ctx, tdec + len, &tlen) <= 0) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1059 EVP_CIPHER_CTX_free(ctx);
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1060 goto bad_token;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1061 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1062
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1063 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1064
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1065 switch (c->sockaddr->sa_family) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1066
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1067 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1068 case AF_INET6:
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1069 sin6 = (struct sockaddr_in6 *) c->sockaddr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1070
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1071 len = sizeof(struct in6_addr);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1072 data = sin6->sin6_addr.s6_addr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1073
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1074 break;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1075 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1076
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1077 #if (NGX_HAVE_UNIX_DOMAIN)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1078 case AF_UNIX:
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1079
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1080 len = ngx_min(c->addr_text.len, NGX_QUIC_MAX_TOKEN_SIZE - sizeof(msec));
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1081 data = c->addr_text.data;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1082
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1083 break;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1084 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1085
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1086 default: /* AF_INET */
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1087 sin = (struct sockaddr_in *) c->sockaddr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1088
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1089 len = sizeof(in_addr_t);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1090 data = (u_char *) &sin->sin_addr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1091
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1092 break;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1093 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1094
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1095 if (ngx_memcmp(tdec, data, len) != 0) {
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1096 goto bad_token;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1097 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1098
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1099 ngx_memcpy(&msec, tdec + len, sizeof(msec));
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1100
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1101 if (ngx_current_msec - msec > NGX_QUIC_RETRY_LIFETIME) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1102 return NGX_DECLINED;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1103 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1104
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1105 return NGX_OK;
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1106
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1107 bad_token:
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1108
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1109 qc->error = NGX_QUIC_ERR_INVALID_TOKEN;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1110 qc->error_reason = "invalid_token";
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1111
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1112 return NGX_ERROR;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1113 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1114
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1115
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1116 static ngx_int_t
8221
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
1117 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
1118 {
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1119 u_char *p;
8422
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1120 size_t clen;
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1121 ssize_t len;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1122 ngx_ssl_conn_t *ssl_conn;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1123 ngx_quic_connection_t *qc;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1124
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1125 qc = c->quic;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1126
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1127 if (ngx_ssl_create_connection(qc->ssl, c, NGX_SSL_BUFFER) != NGX_OK) {
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1128 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1129 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1130
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1131 ssl_conn = c->ssl->connection;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1132
8232
253cf267f95a Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents: 8231
diff changeset
1133 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
1134 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1135 "quic SSL_set_quic_method() failed");
8232
253cf267f95a Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents: 8231
diff changeset
1136 return NGX_ERROR;
253cf267f95a Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents: 8231
diff changeset
1137 }
253cf267f95a Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents: 8231
diff changeset
1138
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1139 #ifdef SSL_READ_EARLY_DATA_SUCCESS
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1140 if (SSL_CTX_get_max_early_data(qc->ssl->ctx)) {
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1141 SSL_set_quic_early_data_enabled(ssl_conn, 1);
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1142 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1143 #endif
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1144
8422
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1145 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
1146 /* always succeeds */
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1147
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1148 p = ngx_pnalloc(c->pool, len);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1149 if (p == NULL) {
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1150 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1151 }
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1152
8422
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1153 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
1154 if (len < 0) {
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1155 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1156 }
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1157
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1158 #ifdef NGX_QUIC_DEBUG_PACKETS
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
1159 ngx_quic_hexdump(c->log, "quic transport parameters", p, len);
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1160 #endif
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1161
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1162 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
1163 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1164 "quic SSL_set_quic_transport_params() failed");
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1165 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1166 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1167
8422
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1168 #if NGX_OPENSSL_QUIC_ZRTT_CTX
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1169 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
1170 ngx_log_error(NGX_LOG_INFO, c->log, 0,
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1171 "quic SSL_set_quic_early_data_context() failed");
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1172 return NGX_ERROR;
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1173 }
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1174 #endif
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1175
8314
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
1176 qc->max_streams = qc->tp.initial_max_streams_bidi;
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1177
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1178 return NGX_OK;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1179 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1180
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1181
8436
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1182 static ngx_inline size_t
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1183 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
1184 {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1185 /* TODO: path MTU discovery */
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1186
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1187 #if (NGX_HAVE_INET6)
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1188 if (c->sockaddr->sa_family == AF_INET6) {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1189 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT6;
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1190 }
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1191 #endif
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1192
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1193 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT;
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1194 }
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1195
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1196
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1197 static void
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1198 ngx_quic_input_handler(ngx_event_t *rev)
8211
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
1199 {
8271
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1200 ssize_t n;
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1201 ngx_buf_t b;
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1202 ngx_connection_t *c;
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1203 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
1204 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
1205
8394
df18ae7161b8 Assorted fixes.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8393
diff changeset
1206 ngx_memzero(&b, sizeof(ngx_buf_t));
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1207 b.start = buf;
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
1208 b.end = buf + sizeof(buf);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1209 b.pos = b.last = b.start;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1210 b.memory = 1;
8211
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
1211
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1212 c = rev->data;
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
1213 qc = c->quic;
8211
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
1214
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1215 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, rev->log, 0, "quic input handler");
8212
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents: 8211
diff changeset
1216
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1217 if (rev->timedout) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1218 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1219 "quic client timed out");
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1220 ngx_quic_close_connection(c, NGX_DONE);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1221 return;
8212
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents: 8211
diff changeset
1222 }
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents: 8211
diff changeset
1223
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1224 if (c->close) {
8442
b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8439
diff changeset
1225 qc->error_reason = "graceful shutdown";
b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8439
diff changeset
1226 ngx_quic_close_connection(c, NGX_OK);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1227 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1228 }
8220
7ada2feeac18 Added processing of CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8218
diff changeset
1229
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1230 n = c->recv(c, b.start, b.end - b.start);
8215
38c0898b6df7 HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 8214
diff changeset
1231
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1232 if (n == NGX_AGAIN) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1233 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1234 ngx_quic_close_connection(c, NGX_OK);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1235 }
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1236 return;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1237 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1238
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1239 if (n == NGX_ERROR) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1240 c->read->eof = 1;
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1241 ngx_quic_close_connection(c, NGX_ERROR);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1242 return;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1243 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1244
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1245 b.last += n;
8477
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
1246 qc->received += n;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1247
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1248 if (ngx_quic_input(c, &b) != NGX_OK) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1249 ngx_quic_close_connection(c, NGX_ERROR);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1250 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1251 }
8271
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1252
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1253 qc->send_timer_set = 0;
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1254 ngx_add_timer(rev, qc->tp.max_idle_timeout);
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1255 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1256
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1257
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1258 static void
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1259 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
1260 {
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1261 ngx_pool_t *pool;
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
1262
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1263 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1264 "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
1265
8397
1245e274b9ba Avoided excessive definitions for connection state.
Vladimir Homutov <vl@nginx.com>
parents: 8394
diff changeset
1266 if (!c->quic || !c->quic->initialized) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1267 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1268 "quic close connection early error");
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1269
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1270 } 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
1271 return;
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
1272 }
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1273
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1274 if (c->ssl) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1275 (void) ngx_ssl_shutdown(c);
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1276 }
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1277
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1278 if (c->read->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1279 ngx_del_timer(c->read);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1280 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1281
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1282 #if (NGX_STAT_STUB)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1283 (void) ngx_atomic_fetch_add(ngx_stat_active, -1);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1284 #endif
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1285
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1286 c->destroyed = 1;
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1287
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1288 pool = c->pool;
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1289
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1290 ngx_close_connection(c);
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1291
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1292 ngx_destroy_pool(pool);
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1293 }
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1294
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1295
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
1296 static ngx_int_t
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1297 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
1298 {
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1299 ngx_uint_t i;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1300 ngx_quic_send_ctx_t *ctx;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1301 ngx_quic_connection_t *qc;
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1302
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1303 qc = c->quic;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1304
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1305 if (!qc->closing) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1306
8398
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 8397
diff changeset
1307 /* 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
1308 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 8397
diff changeset
1309 ctx = ngx_quic_get_send_ctx(qc, i);
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 8397
diff changeset
1310 ngx_quic_free_frames(c, &ctx->sent);
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 8397
diff changeset
1311 }
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 8397
diff changeset
1312
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1313 if (rc == NGX_DONE) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1314
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1315 /*
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1316 * 10.2. Idle Timeout
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1317 *
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1318 * 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
1319 * 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
1320 */
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1321
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1322 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
1323 "quic closing %s connection",
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1324 qc->draining ? "drained" : "idle");
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1325
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1326 } else {
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1327
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1328 /*
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1329 * 10.3. Immediate Close
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1330 *
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1331 * 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
1332 * to terminate the connection immediately.
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1333 */
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1334
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
1335 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
1336 : ssl_encryption_initial;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
1337
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1338 if (rc == NGX_OK) {
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1339 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1340 "quic immediate close, drain = %d",
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1341 qc->draining);
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1342
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1343 qc->close.log = c->log;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1344 qc->close.data = c;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1345 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
1346 qc->close.cancelable = 1;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1347
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
1348 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
1349
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
1350 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
1351
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1352 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
1353
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1354 } else {
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1355 if (qc->error == 0 && !qc->error_app) {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1356 qc->error = NGX_QUIC_ERR_INTERNAL_ERROR;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1357 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1358
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1359 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1360 "quic immediate close due to %serror: %ui %s",
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1361 qc->error_app ? "app " : "", qc->error,
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1362 qc->error_reason ? qc->error_reason : "");
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1363 }
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1364
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1365 (void) ngx_quic_send_cc(c);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1366
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1367 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
1368 /* 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
1369 qc->error_level = ssl_encryption_initial;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1370 (void) ngx_quic_send_cc(c);
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1371 }
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1372 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1373
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1374 qc->closing = 1;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1375 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1376
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1377 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
1378 /* 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
1379 ngx_del_timer(&qc->close);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1380 }
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1381
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1382 if (ngx_quic_close_streams(c, qc) == NGX_AGAIN) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1383 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1384 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1385
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1386 if (qc->close.timer_set) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1387 return NGX_AGAIN;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1388 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1389
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1390 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1391 ngx_quic_free_frames(c, &qc->crypto[i].frames);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1392 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1393
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1394 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1395 ngx_quic_free_frames(c, &qc->send_ctx[i].frames);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1396 ngx_quic_free_frames(c, &qc->send_ctx[i].sent);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1397 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1398
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1399 if (qc->push.timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1400 ngx_del_timer(&qc->push);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1401 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1402
8472
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
1403 if (qc->pto.timer_set) {
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
1404 ngx_del_timer(&qc->pto);
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1405 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1406
8434
ea4899591798 QUIC: Fixed connection cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8433
diff changeset
1407 if (qc->push.posted) {
ea4899591798 QUIC: Fixed connection cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8433
diff changeset
1408 ngx_delete_posted_event(&qc->push);
ea4899591798 QUIC: Fixed connection cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8433
diff changeset
1409 }
ea4899591798 QUIC: Fixed connection cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8433
diff changeset
1410
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1411 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
1412 "quic part of connection is terminated");
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1413
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1414 /* may be tested from SSL callback during SSL shutdown */
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1415 c->quic = NULL;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1416
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1417 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1418 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1419
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1420
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1421 void
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1422 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
1423 const char *reason)
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1424 {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1425 ngx_quic_connection_t *qc;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1426
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1427 qc = c->quic;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1428 qc->error = err;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1429 qc->error_reason = reason;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1430 qc->error_app = 1;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1431 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1432
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1433 ngx_quic_close_connection(c, NGX_ERROR);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1434 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1435
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1436
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1437 static void
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1438 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
1439 {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1440 ngx_connection_t *c;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1441
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1442 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
1443
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1444 c = ev->data;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1445 ngx_quic_close_connection(c, NGX_DONE);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1446 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1447
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1448
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1449 static ngx_int_t
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1450 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
1451 {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1452 ngx_event_t *rev;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1453 ngx_rbtree_t *tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1454 ngx_rbtree_node_t *node;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1455 ngx_quic_stream_t *qs;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1456
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1457 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1458 ngx_uint_t ns;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1459 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1460
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1461 tree = &qc->streams.tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1462
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1463 if (tree->root == tree->sentinel) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1464 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1465 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1466
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1467 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1468 ns = 0;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1469 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1470
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1471 for (node = ngx_rbtree_min(tree->root, tree->sentinel);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1472 node;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1473 node = ngx_rbtree_next(tree, node))
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1474 {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1475 qs = (ngx_quic_stream_t *) node;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1476
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1477 rev = qs->c->read;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1478 rev->ready = 1;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1479 rev->pending_eof = 1;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1480
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1481 ngx_post_event(rev, &ngx_posted_events);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1482
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1483 if (rev->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1484 ngx_del_timer(rev);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1485 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1486
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1487 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1488 ns++;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1489 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1490 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1491
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1492 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
1493 "quic connection has %ui active streams", ns);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1494
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1495 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1496 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1497
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1498
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1499 static ngx_int_t
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1500 ngx_quic_input(ngx_connection_t *c, ngx_buf_t *b)
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
1501 {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1502 u_char *p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1503 ngx_int_t rc;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1504 ngx_quic_header_t pkt;
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
1505
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1506 p = b->pos;
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1507
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1508 while (p < b->last) {
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1509 c->log->action = "processing quic packet";
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1510
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1511 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1512 pkt.raw = b;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1513 pkt.data = p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1514 pkt.len = b->last - p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1515 pkt.log = c->log;
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8247
diff changeset
1516 pkt.flags = p[0];
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
1517
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1518 if (c->quic->in_retry) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1519 return ngx_quic_retry_input(c, &pkt);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1520 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1521
8371
9d9531431c8c Removed outdated/incorrect comments and fixed style.
Vladimir Homutov <vl@nginx.com>
parents: 8370
diff changeset
1522 /* TODO: check current state */
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8247
diff changeset
1523 if (ngx_quic_long_pkt(pkt.flags)) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1524
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8247
diff changeset
1525 if (ngx_quic_pkt_in(pkt.flags)) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1526 rc = ngx_quic_initial_input(c, &pkt);
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 8205
diff changeset
1527
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8247
diff changeset
1528 } else if (ngx_quic_pkt_hs(pkt.flags)) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1529 rc = ngx_quic_handshake_input(c, &pkt);
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
1530
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1531 } else if (ngx_quic_pkt_zrtt(pkt.flags)) {
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1532 rc = ngx_quic_early_input(c, &pkt);
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1533
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1534 } else {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1535 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1536 "quic unknown long packet type");
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1537 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1538 }
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
1539
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1540 } else {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1541 rc = ngx_quic_app_input(c, &pkt);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1542 }
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
1543
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1544 if (rc == NGX_ERROR) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1545 return NGX_ERROR;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1546 }
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 8205
diff changeset
1547
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1548 /* NGX_OK || NGX_DECLINED */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1549
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1550 /*
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1551 * 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
1552 * to decrypt packet.
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1553 * 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
1554 * retransmission:
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1555 *
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1556 * 12.2. Coalescing Packets:
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1557 *
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1558 * For example, if decryption fails (because the keys are
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1559 * not available or any other reason), the receiver MAY either
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1560 * discard or buffer the packet for later processing and MUST
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1561 * attempt to process the remaining packets.
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1562 */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1563
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1564 /* b->pos is at header end, adjust by actual packet length */
8377
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1565 b->pos += pkt.len;
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1566 p = ngx_quic_skip_zero_padding(b);
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1567 }
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1568
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1569 return NGX_OK;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1570 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1571
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1572
8377
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1573 /* firefox workaround: skip zero padding at the end of quic packet */
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1574 static ngx_inline u_char *
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1575 ngx_quic_skip_zero_padding(ngx_buf_t *b)
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1576 {
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1577 while (b->pos < b->last && *(b->pos) == 0) {
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1578 b->pos++;
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1579 }
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1580
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1581 return b->pos;
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1582 }
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1583
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1584
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1585 static ngx_int_t
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1586 ngx_quic_retry_input(ngx_connection_t *c, ngx_quic_header_t *pkt)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1587 {
8386
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1588 ngx_int_t rc;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1589 ngx_quic_secrets_t *keys;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1590 ngx_quic_send_ctx_t *ctx;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1591 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
1592 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8383
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 c->log->action = "retrying quic connection";
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 if (ngx_buf_size(pkt->raw) < NGX_QUIC_MIN_INITIAL_SIZE) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1597 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1598 "quic UDP datagram is too small for initial packet");
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1599 return NGX_OK;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1600 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1601
8386
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1602 rc = ngx_quic_parse_long_header(pkt);
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1603 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1604 return rc;
8383
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
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1607 if (ngx_quic_pkt_zrtt(pkt->flags)) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1608 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1609 "quic discard inflight 0-RTT packet");
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1610 return NGX_OK;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1611 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1612
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1613 if (!ngx_quic_pkt_in(pkt->flags)) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1614 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
1615 "quic invalid initial packet: 0x%xd", pkt->flags);
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1616 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1617 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1618
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1619 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1620 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1621 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1622
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1623 if (ngx_quic_new_dcid(c, &pkt->dcid) != NGX_OK) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1624 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1625 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1626
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1627 qc = c->quic;
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
1628 qc->tp.initial_scid = c->quic->dcid;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1629
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1630 keys = &c->quic->keys[ssl_encryption_initial];
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1631
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1632 if (ngx_quic_set_initial_secret(c->pool, &keys->client, &keys->server,
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1633 &qc->odcid)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1634 != NGX_OK)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1635 {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1636 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1637 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1638
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1639 c->quic->in_retry = 0;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1640
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1641 if (ngx_quic_validate_token(c, pkt) != NGX_OK) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1642 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic invalid token");
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1643 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1644 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1645
8477
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
1646 qc->validated = 1;
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
1647
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1648 pkt->secret = &keys->client;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1649 pkt->level = ssl_encryption_initial;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1650 pkt->plaintext = buf;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1651
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1652 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1653
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1654 if (ngx_quic_decrypt(pkt, NULL, &ctx->largest_pn) != NGX_OK) {
8386
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1655 qc->error = pkt->error;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1656 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1657 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1658
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1659 if (ngx_quic_init_connection(c) != NGX_OK) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1660 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1661 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1662
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1663 if (ngx_quic_payload_handler(c, pkt) != NGX_OK) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1664 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1665 }
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 /* pos is at header end, adjust by actual packet length */
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1668 pkt->raw->pos += pkt->len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1669
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1670 (void) ngx_quic_skip_zero_padding(pkt->raw);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1671
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1672 return ngx_quic_input(c, pkt->raw);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1673 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1674
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 static ngx_int_t
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1677 ngx_quic_initial_input(ngx_connection_t *c, ngx_quic_header_t *pkt)
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1678 {
8386
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1679 ngx_int_t rc;
8339
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1680 ngx_ssl_conn_t *ssl_conn;
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1681 ngx_quic_secrets_t *keys;
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1682 ngx_quic_send_ctx_t *ctx;
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
1683 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1684
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1685 c->log->action = "processing initial quic packet";
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1686
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1687 ssl_conn = c->ssl->connection;
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1688
8386
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1689 rc = ngx_quic_parse_long_header(pkt);
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1690 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1691 return rc;
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1692 }
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1693
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents: 8223
diff changeset
1694 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) {
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1695 return NGX_ERROR;
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1696 }
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1697
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
1698 keys = &c->quic->keys[ssl_encryption_initial];
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
1699
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
1700 pkt->secret = &keys->client;
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1701 pkt->level = ssl_encryption_initial;
8288
ebd5c71b9f02 Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents: 8286
diff changeset
1702 pkt->plaintext = buf;
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1703
8339
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1704 ctx = ngx_quic_get_send_ctx(c->quic, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1705
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1706 if (ngx_quic_decrypt(pkt, ssl_conn, &ctx->largest_pn) != NGX_OK) {
8386
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1707 c->quic->error = pkt->error;
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1708 return NGX_ERROR;
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1709 }
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1710
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1711 return ngx_quic_payload_handler(c, pkt);
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1712 }
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1713
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1714
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1715 static ngx_int_t
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 8205
diff changeset
1716 ngx_quic_handshake_input(ngx_connection_t *c, ngx_quic_header_t *pkt)
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1717 {
8386
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1718 ngx_int_t rc;
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
1719 ngx_quic_secrets_t *keys;
8339
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1720 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
1721 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
1722 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1723
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1724 c->log->action = "processing handshake quic packet";
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1725
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1726 qc = c->quic;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1727
8321
e45719a9b148 Discarding Handshake packets if no Handshake keys yet.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8320
diff changeset
1728 keys = &c->quic->keys[ssl_encryption_handshake];
e45719a9b148 Discarding Handshake packets if no Handshake keys yet.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8320
diff changeset
1729
e45719a9b148 Discarding Handshake packets if no Handshake keys yet.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8320
diff changeset
1730 if (keys->client.key.len == 0) {
e45719a9b148 Discarding Handshake packets if no Handshake keys yet.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8320
diff changeset
1731 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1732 "quic no read keys yet, packet ignored");
8321
e45719a9b148 Discarding Handshake packets if no Handshake keys yet.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8320
diff changeset
1733 return NGX_DECLINED;
e45719a9b148 Discarding Handshake packets if no Handshake keys yet.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8320
diff changeset
1734 }
e45719a9b148 Discarding Handshake packets if no Handshake keys yet.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8320
diff changeset
1735
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
1736 /* extract cleartext data into pkt */
8386
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1737 rc = ngx_quic_parse_long_header(pkt);
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1738 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1739 return rc;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1740 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1741
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1742 if (ngx_quic_check_peer(qc, pkt) != NGX_OK) {
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1743 return NGX_ERROR;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1744 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1745
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents: 8223
diff changeset
1746 if (ngx_quic_parse_handshake_header(pkt) != NGX_OK) {
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1747 return NGX_ERROR;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1748 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1749
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
1750 pkt->secret = &keys->client;
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 8205
diff changeset
1751 pkt->level = ssl_encryption_handshake;
8288
ebd5c71b9f02 Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents: 8286
diff changeset
1752 pkt->plaintext = buf;
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 8205
diff changeset
1753
8339
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1754 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1755
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1756 if (ngx_quic_decrypt(pkt, c->ssl->connection, &ctx->largest_pn) != NGX_OK) {
8386
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1757 qc->error = pkt->error;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1758 return NGX_ERROR;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1759 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1760
8393
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
1761 /*
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
1762 * 4.10.1. The successful use of Handshake packets indicates
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
1763 * that no more Initial packets need to be exchanged
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
1764 */
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
1765 ctx = ngx_quic_get_send_ctx(c->quic, ssl_encryption_initial);
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
1766 ngx_quic_free_frames(c, &ctx->sent);
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
1767
8477
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
1768 qc->validated = 1;
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
1769 qc->pto_count = 0;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
1770
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 8205
diff changeset
1771 return ngx_quic_payload_handler(c, pkt);
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1772 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1773
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1774
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1775 static ngx_int_t
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1776 ngx_quic_early_input(ngx_connection_t *c, ngx_quic_header_t *pkt)
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1777 {
8386
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1778 ngx_int_t rc;
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
1779 ngx_quic_secrets_t *keys;
8339
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1780 ngx_quic_send_ctx_t *ctx;
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1781 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
1782 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1783
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1784 c->log->action = "processing early data quic packet";
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1785
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1786 qc = c->quic;
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1787
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1788 /* extract cleartext data into pkt */
8386
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1789 rc = ngx_quic_parse_long_header(pkt);
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1790 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1791 return rc;
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1792 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1793
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1794 if (ngx_quic_check_peer(qc, pkt) != NGX_OK) {
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1795 return NGX_ERROR;
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1796 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1797
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1798 if (ngx_quic_parse_handshake_header(pkt) != NGX_OK) {
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1799 return NGX_ERROR;
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1800 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1801
8439
cef417a24755 QUIC: cleaned up quic encryption state tracking.
Vladimir Homutov <vl@nginx.com>
parents: 8438
diff changeset
1802 keys = &c->quic->keys[ssl_encryption_early_data];
cef417a24755 QUIC: cleaned up quic encryption state tracking.
Vladimir Homutov <vl@nginx.com>
parents: 8438
diff changeset
1803
cef417a24755 QUIC: cleaned up quic encryption state tracking.
Vladimir Homutov <vl@nginx.com>
parents: 8438
diff changeset
1804 if (keys->client.key.len == 0) {
cef417a24755 QUIC: cleaned up quic encryption state tracking.
Vladimir Homutov <vl@nginx.com>
parents: 8438
diff changeset
1805 ngx_log_error(NGX_LOG_INFO, c->log, 0,
cef417a24755 QUIC: cleaned up quic encryption state tracking.
Vladimir Homutov <vl@nginx.com>
parents: 8438
diff changeset
1806 "quic no 0-RTT keys yet, packet ignored");
cef417a24755 QUIC: cleaned up quic encryption state tracking.
Vladimir Homutov <vl@nginx.com>
parents: 8438
diff changeset
1807 return NGX_DECLINED;
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1808 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1809
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
1810
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
1811 pkt->secret = &keys->client;
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1812 pkt->level = ssl_encryption_early_data;
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1813 pkt->plaintext = buf;
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1814
8339
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1815 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1816
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1817 if (ngx_quic_decrypt(pkt, c->ssl->connection, &ctx->largest_pn) != NGX_OK) {
8386
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1818 qc->error = pkt->error;
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1819 return NGX_ERROR;
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1820 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1821
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1822 return ngx_quic_payload_handler(c, pkt);
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1823 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1824
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1825
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1826 static ngx_int_t
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1827 ngx_quic_check_peer(ngx_quic_connection_t *qc, ngx_quic_header_t *pkt)
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1828 {
8381
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8380
diff changeset
1829 ngx_str_t *dcid;
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8380
diff changeset
1830
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8380
diff changeset
1831 dcid = ngx_quic_pkt_zrtt(pkt->flags) ? &qc->odcid : &qc->dcid;
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8380
diff changeset
1832
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8380
diff changeset
1833 if (pkt->dcid.len != dcid->len) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1834 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic unexpected quic dcidl");
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1835 return NGX_ERROR;
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1836 }
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1837
8381
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8380
diff changeset
1838 if (ngx_memcmp(pkt->dcid.data, dcid->data, dcid->len) != 0) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1839 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic unexpected quic dcid");
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1840 return NGX_ERROR;
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1841 }
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1842
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1843 if (pkt->scid.len != qc->scid.len) {
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1844 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic unexpected quic scidl");
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1845 return NGX_ERROR;
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1846 }
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1847
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1848 if (ngx_memcmp(pkt->scid.data, qc->scid.data, qc->scid.len) != 0) {
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1849 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic unexpected quic scid");
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1850 return NGX_ERROR;
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1851 }
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1852
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1853 return NGX_OK;
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1854 }
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1855
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1856
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1857 static ngx_int_t
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 8205
diff changeset
1858 ngx_quic_app_input(ngx_connection_t *c, ngx_quic_header_t *pkt)
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1859 {
8319
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1860 ngx_int_t rc;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1861 ngx_quic_secrets_t *keys, *next, tmp;
8339
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1862 ngx_quic_send_ctx_t *ctx;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1863 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
1864 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1865
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1866 c->log->action = "processing application data quic packet";
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1867
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1868 qc = c->quic;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1869
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
1870 keys = &c->quic->keys[ssl_encryption_application];
8319
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1871 next = &c->quic->next_key;
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
1872
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
1873 if (keys->client.key.len == 0) {
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1874 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1875 "quic no read keys yet, packet ignored");
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1876 return NGX_DECLINED;
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1877 }
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1878
8386
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1879 rc = ngx_quic_parse_short_header(pkt, &qc->dcid);
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1880 if (rc != NGX_OK) {
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1881 return rc;
8185
6a76d9657772 QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8184
diff changeset
1882 }
6a76d9657772 QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8184
diff changeset
1883
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
1884 pkt->secret = &keys->client;
8319
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1885 pkt->next = &next->client;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1886 pkt->key_phase = c->quic->key_phase;
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 8205
diff changeset
1887 pkt->level = ssl_encryption_application;
8288
ebd5c71b9f02 Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents: 8286
diff changeset
1888 pkt->plaintext = buf;
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 8205
diff changeset
1889
8339
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1890 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1891
8446
df29219988bc Discard short packets which could not be decrypted.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8443
diff changeset
1892 rc = ngx_quic_decrypt(pkt, c->ssl->connection, &ctx->largest_pn);
df29219988bc Discard short packets which could not be decrypted.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8443
diff changeset
1893
df29219988bc Discard short packets which could not be decrypted.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8443
diff changeset
1894 if (rc != NGX_OK) {
8386
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1895 qc->error = pkt->error;
8446
df29219988bc Discard short packets which could not be decrypted.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8443
diff changeset
1896 return rc;
8185
6a76d9657772 QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8184
diff changeset
1897 }
6a76d9657772 QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8184
diff changeset
1898
8470
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
1899 ngx_gettimeofday(&pkt->received);
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
1900
8319
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1901 /* switch keys on Key Phase change */
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1902
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1903 if (pkt->key_update) {
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1904 c->quic->key_phase ^= 1;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1905
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1906 tmp = *keys;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1907 *keys = *next;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1908 *next = tmp;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1909 }
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1910
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1911 rc = ngx_quic_payload_handler(c, pkt);
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1912
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1913 if (rc == NGX_ERROR) {
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1914 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1915 }
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1916
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1917 /* generate next keys */
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1918
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1919 if (pkt->key_update) {
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1920 if (ngx_quic_key_update(c, keys, next) != NGX_OK) {
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1921 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1922 }
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1923 }
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1924
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
1925 return rc;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1926 }
8171
4daf03d2bd0a OpenSSL compatibility.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
1927
4daf03d2bd0a OpenSSL compatibility.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
1928
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1929 static ngx_int_t
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1930 ngx_quic_payload_handler(ngx_connection_t *c, ngx_quic_header_t *pkt)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1931 {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1932 u_char *end, *p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1933 ssize_t len;
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1934 ngx_uint_t ack_sent, do_close;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1935 ngx_quic_frame_t frame;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1936 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1937
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1938 qc = c->quic;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1939
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1940 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1941 /*
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1942 * 10.1 Closing and Draining Connection States
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1943 * ... delayed or reordered packets are properly discarded.
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1944 *
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1945 * An endpoint retains only enough information to generate
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1946 * a packet containing a CONNECTION_CLOSE frame and to identify
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1947 * packets as belonging to the connection.
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1948 */
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1949
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1950 qc->error_level = pkt->level;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1951 qc->error = NGX_QUIC_ERR_NO_ERROR;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1952 qc->error_reason = "connection is closing, packet discarded";
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1953 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1954 qc->error_app = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1955
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1956 return ngx_quic_send_cc(c);
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1957 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1958
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1959 p = pkt->payload.data;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1960 end = p + pkt->payload.len;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1961
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1962 ack_sent = 0;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1963 do_close = 0;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1964
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1965 while (p < end) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1966
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
1967 c->log->action = "parsing frames";
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
1968
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8239
diff changeset
1969 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
1970
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1971 if (len < 0) {
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
1972 qc->error = pkt->error;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1973 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1974 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1975
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
1976 c->log->action = "handling frames";
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
1977
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1978 p += len;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1979
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1980 switch (frame.type) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1981
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1982 case NGX_QUIC_FT_ACK:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1983 if (ngx_quic_handle_ack_frame(c, pkt, &frame.u.ack) != NGX_OK) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1984 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1985 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1986
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1987 continue;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1988
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1989 case NGX_QUIC_FT_PADDING:
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1990 /* no action required */
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1991 continue;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1992
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1993 case NGX_QUIC_FT_CONNECTION_CLOSE:
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1994 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
1995 do_close = 1;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1996 continue;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1997 }
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1998
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
1999 /* got there with ack-eliciting packet */
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2000
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2001 if (!ack_sent) {
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2002 if (ngx_quic_send_ack(c, pkt) != NGX_OK) {
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2003 return NGX_ERROR;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2004 }
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2005
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2006 ack_sent = 1;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2007 }
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2008
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2009 switch (frame.type) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2010
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2011 case NGX_QUIC_FT_CRYPTO:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2012
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2013 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
2014 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2015 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2016
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2017 break;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2018
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2019 case NGX_QUIC_FT_PING:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2020 break;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2021
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2022 case NGX_QUIC_FT_STREAM0:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2023 case NGX_QUIC_FT_STREAM1:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2024 case NGX_QUIC_FT_STREAM2:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2025 case NGX_QUIC_FT_STREAM3:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2026 case NGX_QUIC_FT_STREAM4:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2027 case NGX_QUIC_FT_STREAM5:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2028 case NGX_QUIC_FT_STREAM6:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2029 case NGX_QUIC_FT_STREAM7:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2030
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2031 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
2032 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2033 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2034
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2035 break;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2036
8237
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
2037 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
2038
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2039 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
2040 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2041 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2042 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2043
8237
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
2044 break;
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
2045
8236
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
2046 case NGX_QUIC_FT_STREAMS_BLOCKED:
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
2047 case NGX_QUIC_FT_STREAMS_BLOCKED2:
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2048
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2049 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
2050 &frame.u.streams_blocked)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2051 != NGX_OK)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2052 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2053 return NGX_ERROR;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2054 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2055
8236
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
2056 break;
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
2057
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2058 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
2059
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2060 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
2061 &frame.u.stream_data_blocked)
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2062 != NGX_OK)
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2063 {
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2064 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2065 }
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2066
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2067 break;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2068
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2069 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
2070
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2071 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
2072 &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
2073 != NGX_OK)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2074 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2075 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2076 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2077
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2078 break;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2079
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2080 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
2081
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2082 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
2083 &frame.u.reset_stream)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2084 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2085 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2086 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2087 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2088
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2089 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2090
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2091 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
2092
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2093 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
2094 &frame.u.stop_sending)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2095 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2096 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2097 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2098 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2099
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2100 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2101
8325
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2102 case NGX_QUIC_FT_NEW_CONNECTION_ID:
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2103 case NGX_QUIC_FT_RETIRE_CONNECTION_ID:
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2104 case NGX_QUIC_FT_PATH_CHALLENGE:
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2105 case NGX_QUIC_FT_PATH_RESPONSE:
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2106
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2107 /* TODO: handle */
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2108 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2109 "quic frame handler not implemented");
8325
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2110 break;
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2111
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2112 default:
8346
4e4485793418 Added MAX_STREAM_DATA stub handler.
Vladimir Homutov <vl@nginx.com>
parents: 8345
diff changeset
2113 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2114 "quic missing frame handler");
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2115 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2116 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2117 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2118
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2119 if (p != end) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2120 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
2121 "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
2122
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2123 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2124 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2125 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2126
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2127 if (do_close) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2128 qc->draining = 1;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2129 ngx_quic_close_connection(c, NGX_OK);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2130 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2131
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2132 return NGX_OK;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2133 }
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2134
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2135
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2136 static ngx_int_t
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2137 ngx_quic_send_ack(ngx_connection_t *c, ngx_quic_header_t *pkt)
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2138 {
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2139 ngx_quic_frame_t *frame;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2140
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
2141 c->log->action = "generating acknowledgment";
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
2142
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2143 /* every ACK-eliciting packet is acknowledged, TODO ACK Ranges */
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2144
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2145 frame = ngx_quic_alloc_frame(c, 0);
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2146 if (frame == NULL) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2147 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2148 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2149
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2150 frame->level = (pkt->level == ssl_encryption_early_data)
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2151 ? ssl_encryption_application
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2152 : pkt->level;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2153
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2154 frame->type = NGX_QUIC_FT_ACK;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2155 frame->u.ack.largest = pkt->pn;
8470
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2156 frame->u.ack.delay = ngx_quic_ack_delay(c, &pkt->received, frame->level);
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2157
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
2158 ngx_sprintf(frame->info, "ACK for PN=%uL from frame handler level=%d",
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2159 pkt->pn, frame->level);
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2160 ngx_quic_queue_frame(c->quic, frame);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2161
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
2162 return NGX_OK;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2163 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2164
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2165
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2166 static ngx_int_t
8470
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2167 ngx_quic_ack_delay(ngx_connection_t *c, struct timeval *received,
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2168 enum ssl_encryption_level_t level)
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2169 {
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2170 ngx_int_t ack_delay;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2171 struct timeval tv;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2172
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2173 ack_delay = 0;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2174
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2175 if (level == ssl_encryption_application) {
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2176 ngx_gettimeofday(&tv);
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2177 ack_delay = (tv.tv_sec - received->tv_sec) * 1000000
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2178 + tv.tv_usec - received->tv_usec;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2179 ack_delay >>= c->quic->ctp.ack_delay_exponent;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2180 }
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2181
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2182 return ack_delay;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2183 }
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2184
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2185
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2186 static ngx_int_t
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2187 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
2188 {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2189 ngx_quic_frame_t *frame;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2190 ngx_quic_connection_t *qc;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2191
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2192 qc = c->quic;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2193
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2194 if (qc->draining) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2195 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2196 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2197
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2198 if (qc->closing
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2199 && 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
2200 {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2201 /* dot not send CC too often */
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2202 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2203 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2204
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2205 frame = ngx_quic_alloc_frame(c, 0);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2206 if (frame == NULL) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2207 return NGX_ERROR;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2208 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2209
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2210 frame->level = qc->error_level;
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2211 frame->type = NGX_QUIC_FT_CONNECTION_CLOSE;
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2212 frame->u.close.error_code = qc->error;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2213 frame->u.close.frame_type = qc->error_ftype;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2214 frame->u.close.app = qc->error_app;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2215
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2216 if (qc->error_reason) {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2217 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
2218 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
2219 }
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
2220
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
2221 ngx_snprintf(frame->info, sizeof(frame->info) - 1,
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2222 "CONNECTION_CLOSE%s err:%ui level:%d ft:%ui reason:\"%s\"",
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2223 qc->error_app ? "_APP" : "", qc->error, qc->error_level,
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2224 qc->error_ftype, qc->error_reason ? qc->error_reason : "-");
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2225
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2226 ngx_quic_queue_frame(c->quic, frame);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2227
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2228 qc->last_cc = ngx_current_msec;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2229
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2230 return ngx_quic_output(c);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2231 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2232
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2233
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2234 static ngx_int_t
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2235 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
2236 {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2237 ngx_str_t token;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2238 ngx_quic_frame_t *frame;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2239
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2240 if (!c->quic->tp.retry) {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2241 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2242 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2243
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2244 if (ngx_quic_new_token(c, &token) != NGX_OK) {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2245 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2246 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2247
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2248 frame = ngx_quic_alloc_frame(c, 0);
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2249 if (frame == NULL) {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2250 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2251 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2252
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2253 frame->level = ssl_encryption_application;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2254 frame->type = NGX_QUIC_FT_NEW_TOKEN;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2255 frame->u.token.length = token.len;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2256 frame->u.token.data = token.data;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2257 ngx_sprintf(frame->info, "NEW_TOKEN");
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2258 ngx_quic_queue_frame(c->quic, frame);
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2259
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2260 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2261 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2262
8450
Vladimir Homutov <vl@nginx.com>
parents: 8447
diff changeset
2263
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2264 static ngx_int_t
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2265 ngx_quic_handle_ack_frame(ngx_connection_t *c, ngx_quic_header_t *pkt,
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2266 ngx_quic_ack_frame_t *ack)
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2267 {
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2268 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
2269 u_char *pos, *end;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2270 uint64_t gap, range;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2271 ngx_msec_t send_time;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2272 ngx_uint_t i, min, max;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2273 ngx_quic_send_ctx_t *ctx;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2274 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
2275
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2276 qc = c->quic;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2277
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2278 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
2279
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2280 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2281 "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
2282
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2283 /*
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2284 * 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
2285 * 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
2286 * (19.3.1)
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2287 */
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2288
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2289 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
2290 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2291 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
2292 "quic invalid first range in ack frame");
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2293 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2294 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2295
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2296 min = ack->largest - ack->first_range;
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2297 max = ack->largest;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2298
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2299 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
2300 != NGX_OK)
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2301 {
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2302 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2303 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2304
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2305 /* 13.2.3. Receiver Tracking of ACK Frames */
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
2306 if (ctx->largest_ack < max) {
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
2307 ctx->largest_ack = max;
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2308 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2309 "quic updated largest received ack: %ui", max);
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2310
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2311 /*
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2312 * An endpoint generates an RTT sample on receiving an
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2313 * ACK frame that meets the following two conditions:
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2314 *
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2315 * - the largest acknowledged packet number is newly acknowledged
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2316 * - 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
2317 */
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2318
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2319 if (send_time != NGX_TIMER_INFINITE) {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2320 ngx_quic_rtt_sample(c, ack, pkt->level, send_time);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2321 }
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2322 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2323
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2324 pos = ack->ranges_start;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2325 end = ack->ranges_end;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2327 for (i = 0; i < ack->range_count; i++) {
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2328
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2329 n = ngx_quic_parse_ack_range(pkt, pos, end, &gap, &range);
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2330 if (n == NGX_ERROR) {
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2331 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2332 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2333 pos += n;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2334
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2335 if (gap >= min) {
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2336 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2337 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
2338 "quic invalid range %ui in ack frame", i);
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2339 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2340 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2341
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2342 max = min - 1 - gap;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2343
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2344 if (range > max + 1) {
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2345 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2346 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
2347 "quic invalid range %ui in ack frame", i);
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2348 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2349 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2350
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2351 min = max - range + 1;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2352
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2353 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
2354 != NGX_OK)
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2355 {
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2356 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2357 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2358 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2359
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
2360 return ngx_quic_detect_lost(c, 1);
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2361 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2362
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2363
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2364 static ngx_int_t
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
2365 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
2366 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
2367 {
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2368 uint64_t found_num;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2369 ngx_uint_t found;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2370 ngx_queue_t *q;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2371 ngx_quic_frame_t *f;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2372 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2373
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2374 qc = c->quic;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2375
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2376 *send_time = NGX_TIMER_INFINITE;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2377 found = 0;
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2378 found_num = 0;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2379
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2380 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
2381
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
2382 while (q != ngx_queue_sentinel(&ctx->sent)) {
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2383
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2384 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
2385 q = ngx_queue_prev(q);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2386
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2387 if (f->pnum >= min && f->pnum <= max) {
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2388 ngx_quic_congestion_ack(c, f);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2389
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2390 ngx_quic_handle_stream_ack(c, f);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2391
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2392 if (f->pnum > found_num || !found) {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2393 *send_time = f->last;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2394 found_num = f->pnum;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2395 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2396
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2397 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2398 ngx_quic_free_frame(c, f);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2399 found = 1;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2400 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2401 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2402
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2403 if (!found) {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2404
8437
4e75267865de QUIC: fixed off-by-one in frame range handler.
Vladimir Homutov <vl@nginx.com>
parents: 8436
diff changeset
2405 if (max < ctx->pnum) {
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2406 /* duplicate ACK or ACK for non-ack-eliciting frame */
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2407 return NGX_OK;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2408 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2409
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2410 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8401
Vladimir Homutov <vl@nginx.com>
parents: 8400
diff changeset
2411 "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
2412
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2413 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
2414 qc->error_ftype = NGX_QUIC_FT_ACK;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
2415 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
2416
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2417 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2418 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2419
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2420 if (!qc->push.timer_set) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2421 ngx_post_event(&qc->push, &ngx_posted_events);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2422 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2423
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2424 qc->pto_count = 0;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2425
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2426 return NGX_OK;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2427 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2428
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2429
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2430 static void
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2431 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
2432 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
2433 {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2434 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
2435 ngx_quic_connection_t *qc;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2436
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2437 qc = c->quic;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2438
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2439 latest_rtt = ngx_current_msec - send_time;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2440 qc->latest_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2441
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2442 if (qc->min_rtt == NGX_TIMER_INFINITE) {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2443 qc->min_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2444 qc->avg_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2445 qc->rttvar = latest_rtt / 2;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2446
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2447 } else {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2448 qc->min_rtt = ngx_min(qc->min_rtt, latest_rtt);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2449
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2450
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2451 if (level == ssl_encryption_application) {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2452 ack_delay = ack->delay * (1 << qc->ctp.ack_delay_exponent) / 1000;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2453 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
2454
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2455 } else {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2456 ack_delay = 0;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2457 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2458
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2459 adjusted_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2460
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2461 if (qc->min_rtt + ack_delay < latest_rtt) {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2462 adjusted_rtt -= ack_delay;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2463 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2464
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2465 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
2466 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
2467 qc->rttvar = 0.75 * qc->rttvar + 0.25 * rttvar_sample;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2468 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2470 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2471 "quic rtt sample: latest %M, min %M, avg %M, var %M",
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2472 latest_rtt, qc->min_rtt, qc->avg_rtt, qc->rttvar);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2473 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2474
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2475
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2476 static ngx_inline ngx_msec_t
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2477 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
2478 {
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2479 ngx_msec_t duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2480 ngx_quic_connection_t *qc;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2481
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2482 qc = c->quic;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2483
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2484 /* PTO calculation: quic-recovery, Appendix 8 */
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2485 duration = qc->avg_rtt;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2486
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2487 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
2488 duration <<= qc->pto_count;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2489
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2490 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
2491 return duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2492 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2493
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2494 if (ctx == &qc->send_ctx[2] && c->ssl->handshaked) {
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2495 /* application send space */
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2496
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2497 duration += qc->tp.max_ack_delay << qc->pto_count;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2498 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2499
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2500 return duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2501 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2502
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2503
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2504 static void
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2505 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
2506 {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2507 uint64_t sent, unacked;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2508 ngx_event_t *wev;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2509 ngx_quic_stream_t *sn;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2510 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2511
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2512 if (f->type < NGX_QUIC_FT_STREAM0 || f->type > NGX_QUIC_FT_STREAM7) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2513 return;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2514 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2515
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2516 qc = c->quic;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2517
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2518 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
2519 if (sn == NULL) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2520 return;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2521 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2522
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2523 wev = sn->c->write;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2524 sent = sn->c->sent;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2525 unacked = sent - sn->acked;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2526
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2527 if (unacked >= NGX_QUIC_STREAM_BUFSIZE && wev->active) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2528 wev->ready = 1;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2529 ngx_post_event(wev, &ngx_posted_events);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2530 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2531
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2532 sn->acked += f->u.stream.length;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2533
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2534 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, sn->c->log, 0,
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2535 "quic stream ack %uL acked:%uL, unacked:%uL",
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2536 f->u.stream.length, sn->acked, sent - sn->acked);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2537 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2538
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2539
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2540 static ngx_int_t
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2541 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
2542 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
2543 {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2544 size_t full_len;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2545 ngx_int_t rc;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2546 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2547 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2548
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2549 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2550
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2551 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2552 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
2553 "quic out-of-order frame: expecting %uL got %uL",
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2554 fs->received, f->offset);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2555
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2556 return ngx_quic_buffer_frame(c, fs, frame);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2557 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2558
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2559 if (f->offset < fs->received) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2560
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2561 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2562 == NGX_DONE)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2563 {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2564 /* old/duplicate data range */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2565 return NGX_OK;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2566 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2567
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2568 /* intersecting data range, frame modified */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2569 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2570
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2571 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2572
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
2573 rc = handler(c, frame, data);
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2574 if (rc == NGX_ERROR) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2575 return NGX_ERROR;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2576
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2577 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2578 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2579 return NGX_OK;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2580 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2581
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2582 /* rc == NGX_OK */
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2583
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2584 fs->received += f->length;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2585
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2586 /* 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
2587
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2588 do {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2589 q = ngx_queue_head(&fs->frames);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2590 if (q == ngx_queue_sentinel(&fs->frames)) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2591 break;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2592 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2593
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2594 frame = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2595 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2596
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2597 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2598 /* gap found, nothing more to do */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2599 break;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2600 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2601
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2602 full_len = f->length;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2603
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2604 if (f->offset < fs->received) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2605
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2606 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2607 == NGX_DONE)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2608 {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2609 /* old/duplicate data range */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2610 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2611 fs->total -= f->length;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2612
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2613 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2614 "quic skipped buffered frame, total %ui",
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2615 fs->total);
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2616 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2617 continue;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2618 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2619
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2620 /* frame was adjusted, proceed to input */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2621 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2622
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2623 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2624
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
2625 rc = handler(c, frame, data);
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2626
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2627 if (rc == NGX_ERROR) {
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2628 return NGX_ERROR;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2629
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2630 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2631 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2632 return NGX_OK;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2633 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2634
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2635 fs->received += f->length;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2636 fs->total -= full_len;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2637
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2638 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2639
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2640 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2641 "quic consumed buffered frame, total %ui", fs->total);
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2642
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2643 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2644
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2645 } while (1);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2646
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2647 return NGX_OK;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2648 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2649
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2650
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2651 static ngx_int_t
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2652 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
2653 uint64_t offset_in)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2654 {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2655 size_t tail;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2656 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2657
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2658 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2659
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2660 tail = offset_in - f->offset;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2661
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2662 if (tail >= f->length) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2663 /* range preceeding already received data or duplicate, ignore */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2664
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2665 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2666 "quic old or duplicate data in ordered frame, ignored");
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2667 return NGX_DONE;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2668 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2669
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2670 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2671 "quic adjusted ordered frame data start to expected offset");
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2672
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2673 /* intersecting range: adjust data size */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2674
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2675 f->offset += tail;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2676 f->data += tail;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2677 f->length -= tail;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2678
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2679 return NGX_OK;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2680 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2681
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2682
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2683 static ngx_int_t
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2684 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
2685 ngx_quic_frame_t *frame)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2686 {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2687 u_char *data;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2688 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2689 ngx_quic_frame_t *dst, *item;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2690 ngx_quic_ordered_frame_t *f, *df;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2691
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2692 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2693 "quic ngx_quic_buffer_frame");
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2694
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2695 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2696
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2697 /* frame start offset is in the future, buffer it */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2698
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2699 /* check limit on total size used by all buffered frames, not actual data */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2700 if (NGX_QUIC_MAX_BUFFERED - fs->total < f->length) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2701 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
2702 "quic ordered input buffer limit exceeded");
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2703 return NGX_ERROR;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2704 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2705
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2706 dst = ngx_quic_alloc_frame(c, f->length);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2707 if (dst == NULL) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2708 return NGX_ERROR;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2709 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2710
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2711 data = dst->data;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2712 ngx_memcpy(dst, frame, sizeof(ngx_quic_frame_t));
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2713 dst->data = data;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2714
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2715 ngx_memcpy(dst->data, f->data, f->length);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2716
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2717 df = &dst->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2718 df->data = dst->data;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2719
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2720 fs->total += f->length;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2721
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2722 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2723 "quic ordered frame with unexpected offset:"
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2724 " buffered, total %ui", fs->total);
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2725
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2726 /* TODO: do we need some timeout for this queue ? */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2727
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2728 if (ngx_queue_empty(&fs->frames)) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2729 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2730 return NGX_OK;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2731 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2732
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2733 for (q = ngx_queue_last(&fs->frames);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2734 q != ngx_queue_sentinel(&fs->frames);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2735 q = ngx_queue_prev(q))
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2736 {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2737 item = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2738 f = &item->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2739
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2740 if (f->offset < df->offset) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2741 ngx_queue_insert_after(q, &dst->queue);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2742 return NGX_OK;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2743 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2744 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2745
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2746 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2747
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2748 return NGX_OK;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2749 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2750
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2751
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2752 static ngx_int_t
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2753 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
2754 ngx_quic_frame_t *frame)
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2755 {
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2756 ngx_quic_connection_t *qc;
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2757 ngx_quic_frames_stream_t *fs;
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2758
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2759 qc = c->quic;
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2760 fs = &qc->crypto[pkt->level];
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2761
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
2762 return ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_crypto_input,
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
2763 NULL);
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2764 }
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2765
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2766
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2767 static ngx_int_t
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
2768 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
2769 {
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
2770 int n, sslerr;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2771 ngx_ssl_conn_t *ssl_conn;
8393
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
2772 ngx_quic_send_ctx_t *ctx;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2773 ngx_quic_crypto_frame_t *f;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2774
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2775 f = &frame->u.crypto;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2776
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2777 ssl_conn = c->ssl->connection;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2778
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2779 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2780 "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
2781 (int) SSL_quic_read_level(ssl_conn),
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2782 (int) SSL_quic_write_level(ssl_conn));
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2783
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2784 if (!SSL_provide_quic_data(ssl_conn, SSL_quic_read_level(ssl_conn),
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2785 f->data, f->length))
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2786 {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2787 ngx_ssl_error(NGX_LOG_INFO, c->log, 0,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2788 "SSL_provide_quic_data() failed");
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2789 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2790 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2791
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2792 n = SSL_do_handshake(ssl_conn);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2793
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2794 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
2795
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2796 if (n == -1) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2797 sslerr = SSL_get_error(ssl_conn, n);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2798
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2799 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
2800 sslerr);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2801
8300
23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8299
diff changeset
2802 if (sslerr != SSL_ERROR_WANT_READ) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2803 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
2804 return NGX_ERROR;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2805 }
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
2806
8302
76818c9cdd6f Sending HANDSHAKE_DONE just once with BoringSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8301
diff changeset
2807 } else if (n == 1 && !SSL_in_init(ssl_conn)) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2808
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
2809 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8299
Sergey Kandaurov <pluknet@nginx.com>
parents: 8294
diff changeset
2810 "quic ssl cipher: %s", SSL_get_cipher(ssl_conn));
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2811
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
2812 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2813 "quic handshake completed successfully");
8273
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8272
diff changeset
2814
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2815 c->ssl->handshaked = 1;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2816
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
2817 frame = ngx_quic_alloc_frame(c, 0);
8273
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8272
diff changeset
2818 if (frame == NULL) {
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8272
diff changeset
2819 return NGX_ERROR;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8272
diff changeset
2820 }
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8272
diff changeset
2821
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8272
diff changeset
2822 /* 12.4 Frames and frame types, figure 8 */
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8272
diff changeset
2823 frame->level = ssl_encryption_application;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8272
diff changeset
2824 frame->type = NGX_QUIC_FT_HANDSHAKE_DONE;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8272
diff changeset
2825 ngx_sprintf(frame->info, "HANDSHAKE DONE on handshake completed");
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8272
diff changeset
2826 ngx_quic_queue_frame(c->quic, frame);
8319
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2827
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2828 if (ngx_quic_send_new_token(c) != NGX_OK) {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2829 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2830 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2831
8319
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2832 /*
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2833 * Generating next keys before a key update is received.
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2834 * See quic-tls 9.4 Header Protection Timing Side-Channels.
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2835 */
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2836
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2837 if (ngx_quic_key_update(c, &c->quic->keys[ssl_encryption_application],
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2838 &c->quic->next_key)
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2839 != NGX_OK)
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2840 {
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2841 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2842 }
8393
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
2843
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
2844 /*
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
2845 * 4.10.2 An endpoint MUST discard its handshake keys
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
2846 * when the TLS handshake is confirmed
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
2847 */
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
2848 ctx = ngx_quic_get_send_ctx(c->quic, ssl_encryption_handshake);
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
2849 ngx_quic_free_frames(c, &ctx->sent);
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2850
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2851 c->quic->pto_count = 0;
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
2852 }
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
2853
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2854 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2855 "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
2856 (int) SSL_quic_read_level(ssl_conn),
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2857 (int) SSL_quic_write_level(ssl_conn));
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2858
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2859 return NGX_OK;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2860 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2861
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2862
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2863 static ngx_int_t
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2864 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
2865 ngx_quic_frame_t *frame)
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2866 {
8337
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2867 size_t n;
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
2868 ngx_buf_t *b;
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
2869 ngx_event_t *rev;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2870 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2871 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2872 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2873 ngx_quic_frames_stream_t *fs;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2874
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2875 qc = c->quic;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2876 f = &frame->u.stream;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2877
8427
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
2878 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
2879 && (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
2880 {
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
2881 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
2882 return NGX_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
2883 }
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
2884
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2885 sn = ngx_quic_find_stream(&qc->streams.tree, f->stream_id);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2886
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2887 if (sn == NULL) {
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2888 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
2889 "quic stream id 0x%xL is new", f->stream_id);
8337
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2890
8427
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
2891 if (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
2892 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
2893 return NGX_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
2894 }
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
2895
8337
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2896 n = (f->stream_id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2897 ? qc->tp.initial_max_stream_data_uni
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2898 : qc->tp.initial_max_stream_data_bidi_remote;
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2899
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2900 if (n < NGX_QUIC_STREAM_BUFSIZE) {
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2901 n = NGX_QUIC_STREAM_BUFSIZE;
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2902 }
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2903
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2904 if (n < f->length) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
2905 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
2906 "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
2907 return NGX_ERROR;
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2908 }
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2909
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2910 /*
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2911 * TODO: check IDs are increasing ? create all lower-numbered?
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2912 *
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2913 * 2.1. Stream Types and Identifiers
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2914 *
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2915 * Within each type, streams are created with numerically increasing
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2916 * stream IDs. A stream ID that is used out of order results in all
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2917 * streams of that type with lower-numbered stream IDs also being
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2918 * opened.
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2919 */
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2920 sn = ngx_quic_create_stream(c, f->stream_id, n);
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2921 if (sn == NULL) {
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2922 return NGX_ERROR;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2923 }
8337
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2924
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2925 rev = sn->c->read;
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2926
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2927 if (f->offset == 0) {
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2928
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2929 b = sn->b;
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2930 b->last = ngx_cpymem(b->last, f->data, f->length);
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2931
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2932 sn->fs.received += f->length;
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2933
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2934 rev->ready = 1;
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2935
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2936 if (f->fin) {
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2937 rev->pending_eof = 1;
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2938 }
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2939
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2940 } else {
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2941 rev->ready = 0;
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2942 }
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2943
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2944 if ((f->stream_id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0) {
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2945 ngx_quic_handle_max_streams(c);
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2946 }
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2947
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2948 qc->streams.handler(sn->c);
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2949
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2950 if (f->offset == 0) {
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2951 return NGX_OK;
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2952 }
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2953
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2954 /* out-of-order stream: proceed to buffering */
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2955 }
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2956
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2957 fs = &sn->fs;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2958
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
2959 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
2960 sn);
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2961 }
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2962
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2963
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2964 static ngx_int_t
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
2965 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
2966 {
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2967 ngx_buf_t *b;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2968 ngx_event_t *rev;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2969 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2970 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2971 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2972
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2973 qc = c->quic;
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
2974 sn = data;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2975
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2976 f = &frame->u.stream;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2977
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2978 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic existing stream");
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2979
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2980 b = sn->b;
8337
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2981
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2982 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
2983 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
2984 "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
2985 return NGX_ERROR;
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2986 }
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2987
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2988 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
2989 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
2990 b->pos = b->start;
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2991 }
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
2992
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
2993 b->last = ngx_cpymem(b->last, f->data, f->length);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2994
8294
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 8293
diff changeset
2995 rev = sn->c->read;
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 8293
diff changeset
2996 rev->ready = 1;
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 8293
diff changeset
2997
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 8293
diff changeset
2998 if (f->fin) {
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 8293
diff changeset
2999 rev->pending_eof = 1;
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 8293
diff changeset
3000 }
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3001
8337
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
3002 if (rev->active) {
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
3003 rev->handler(rev);
8314
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3004 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3005
8337
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
3006 /* check if stream was destroyed by handler */
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3007 if (ngx_quic_find_stream(&qc->streams.tree, f->stream_id) == NULL) {
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3008 return NGX_DONE;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3009 }
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3010
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3011 return NGX_OK;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3012 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3013
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3014
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3015 static ngx_int_t
8314
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3016 ngx_quic_handle_max_streams(ngx_connection_t *c)
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3017 {
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3018 ngx_quic_frame_t *frame;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3019 ngx_quic_connection_t *qc;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3020
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3021 qc = c->quic;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3022 qc->cur_streams++;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3023
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3024 if (qc->cur_streams + NGX_QUIC_STREAMS_INC / 2 < qc->max_streams) {
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3025 return NGX_OK;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3026 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3027
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3028 frame = ngx_quic_alloc_frame(c, 0);
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3029 if (frame == NULL) {
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3030 return NGX_ERROR;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3031 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3032
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3033 qc->max_streams = ngx_max(qc->max_streams + NGX_QUIC_STREAMS_INC,
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3034 NGX_QUIC_STREAMS_LIMIT);
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3035
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3036 frame->level = ssl_encryption_application;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3037 frame->type = NGX_QUIC_FT_MAX_STREAMS;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3038 frame->u.max_streams.limit = qc->max_streams;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3039 frame->u.max_streams.bidi = 1;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3040
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3041 ngx_sprintf(frame->info, "MAX_STREAMS limit:%d bidi:%d level=%d",
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3042 (int) frame->u.max_streams.limit,
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3043 (int) frame->u.max_streams.bidi,
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3044 frame->level);
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3045
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3046 ngx_quic_queue_frame(qc, frame);
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3047
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3048 return NGX_OK;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3049 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3050
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3051
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3052 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
3053 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
3054 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
3055 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3056 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3057 ngx_rbtree_t *tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3058 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
3059 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
3060 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
3061
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3062 qc = c->quic;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3063 tree = &qc->streams.tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3064
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3065 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
3066 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3067 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3068
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3069 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
3070
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3071 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
3072 node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3073 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
3074 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3075 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
3076 wev = qs->c->write;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3077
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3078 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3079 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3080 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
3081 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3082 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3083 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3084
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3085 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
3086
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3087 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3088 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3089
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3090
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3091 static ngx_int_t
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3092 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
3093 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
3094 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3095 ngx_quic_frame_t *frame;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3096
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
3097 frame = ngx_quic_alloc_frame(c, 0);
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3098 if (frame == NULL) {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3099 return NGX_ERROR;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3100 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3101
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3102 frame->level = pkt->level;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3103 frame->type = NGX_QUIC_FT_MAX_STREAMS;
8314
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3104 frame->u.max_streams.limit = ngx_max(f->limit * 2, NGX_QUIC_STREAMS_LIMIT);
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3105 frame->u.max_streams.bidi = f->bidi;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3106
8314
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3107 c->quic->max_streams = frame->u.max_streams.limit;
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3108
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3109 ngx_sprintf(frame->info, "MAX_STREAMS limit:%d bidi:%d level=%d",
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3110 (int) frame->u.max_streams.limit,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3111 (int) frame->u.max_streams.bidi,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3112 frame->level);
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3113
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3114 ngx_quic_queue_frame(c->quic, frame);
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3115
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3116 return NGX_OK;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3117 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3118
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3119
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3120 static ngx_int_t
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3121 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
3122 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
3123 {
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
3124 size_t n;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
3125 ngx_buf_t *b;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
3126 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
3127 ngx_quic_stream_t *sn;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
3128 ngx_quic_connection_t *qc;
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3129
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3130 qc = c->quic;
8429
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3131
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3132 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
3133 && (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
3134 {
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3135 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
3136 return NGX_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3137 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3138
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3139 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
3140
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3141 if (sn == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
3142 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
3143 "quic unknown stream id:%uL", f->id);
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3144 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3145 }
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3146
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3147 b = sn->b;
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3148 n = sn->fs.received + (b->pos - b->start) + (b->end - b->last);
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3149
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
3150 frame = ngx_quic_alloc_frame(c, 0);
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3151 if (frame == NULL) {
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3152 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3153 }
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3154
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3155 frame->level = pkt->level;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3156 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
3157 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
3158 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
3159
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3160 ngx_sprintf(frame->info, "MAX_STREAM_DATA id:%d limit:%d level=%d",
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3161 (int) frame->u.max_stream_data.id,
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3162 (int) frame->u.max_stream_data.limit,
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3163 frame->level);
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3164
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3165 ngx_quic_queue_frame(c->quic, frame);
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3166
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3167 return NGX_OK;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3168 }
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3169
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3170
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3171 static ngx_int_t
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3172 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
3173 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
3174 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3175 uint64_t sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3176 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3177 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
3178 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
3179
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3180 qc = c->quic;
8429
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3181
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3182 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
3183 && (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
3184 {
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3185 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
3186 return NGX_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3187 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3188
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3189 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
3190
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3191 if (sn == NULL) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3192 ngx_log_error(NGX_LOG_INFO, c->log, 0, "unknown stream id:%uL", f->id);
8429
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3193
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3194 if (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
3195 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
3196 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3197
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3198 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3199 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3200
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3201 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
3202 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3203 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3204
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3205 sent = sn->c->sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3206
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3207 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
3208 wev = sn->c->write;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3209
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3210 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3211 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3212 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
3213 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3214 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3215
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3216 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
3217
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3218 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3219 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3220
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3221
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3222 static ngx_int_t
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3223 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
3224 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
3225 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3226 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3227 "quic frame handler not implemented");
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3228
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3229 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
3230 && (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
3231 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3232 c->quic->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
3233 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3234 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3235
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3236 return NGX_OK;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3237 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3238
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3239
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3240 static ngx_int_t
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3241 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
3242 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
3243 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3244 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
3245 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
3246
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3247 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3248 "quic frame handler not implemented");
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3249
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3250 qc = c->quic;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3251
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3252 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
3253 && (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
3254 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3255 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
3256 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3257 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3258
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3259 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
3260
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3261 if (sn == NULL) {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3262 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
3263 "quic stream id 0x%xL is new", f->id);
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3264
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3265 if (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
3266 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
3267 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3268 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3269 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3270
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3271 return NGX_OK;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3272 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3273
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3274
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3275 static void
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3276 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
3277 {
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3278 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
3279
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3280 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
3281
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3282 ngx_queue_insert_tail(&ctx->frames, &frame->queue);
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3283
8476
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3284 frame->len = ngx_quic_create_frame(NULL, frame);
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3285 /* always succeeds */
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3286
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3287 ctx->frames_len += frame->len;
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3288
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3289 if (qc->closing) {
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3290 return;
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3291 }
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3292
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3293 /* TODO: TCP_NODELAY analogue ? TCP_CORK and others... */
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3294
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3295 if (ctx->frames_len < NGX_QUIC_MIN_DATA_NODELAY) {
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3296 if (!qc->push.timer_set) {
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3297 ngx_add_timer(&qc->push, qc->tp.max_ack_delay);
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3298 }
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3299
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3300 } else {
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3301 ngx_post_event(&qc->push, &ngx_posted_events);
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3302 }
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3303 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3304
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3305
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3306 static ngx_int_t
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3307 ngx_quic_output(ngx_connection_t *c)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3308 {
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3309 ngx_uint_t i;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3310 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3311
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
3312 c->log->action = "sending frames";
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
3313
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3314 qc = c->quic;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3315
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3316 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
8332
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8331
diff changeset
3317 if (ngx_quic_output_frames(c, &qc->send_ctx[i]) != NGX_OK) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3318 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3319 }
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3320 }
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3321
8322
d9bc33166361 Do not set timers after the connection is closed.
Vladimir Homutov <vl@nginx.com>
parents: 8321
diff changeset
3322 if (!qc->send_timer_set && !qc->closing) {
8271
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
3323 qc->send_timer_set = 1;
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
3324 ngx_add_timer(c->read, qc->tp.max_idle_timeout);
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
3325 }
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
3326
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3327 return NGX_OK;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3328 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3329
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3330
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3331 static ngx_int_t
8332
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8331
diff changeset
3332 ngx_quic_output_frames(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
3333 {
8476
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3334 size_t len, hlen;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3335 ngx_uint_t need_ack;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3336 ngx_queue_t *q, range;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3337 ngx_quic_frame_t *f;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3338 ngx_quic_congestion_t *cg;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3339 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3340
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3341 qc = c->quic;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3342 cg = &qc->congestion;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3343
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3344 if (ngx_queue_empty(&ctx->frames)) {
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3345 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3346 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3347
8332
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8331
diff changeset
3348 q = ngx_queue_head(&ctx->frames);
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8331
diff changeset
3349 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8331
diff changeset
3350
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8331
diff changeset
3351 /* all frames in same send_ctx share same level */
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8331
diff changeset
3352 hlen = (f->level == ssl_encryption_application) ? NGX_QUIC_MAX_SHORT_HEADER
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8331
diff changeset
3353 : NGX_QUIC_MAX_LONG_HEADER;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3354 hlen += EVP_GCM_TLS_TAG_LEN;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3355
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3356 do {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3357 len = 0;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3358 need_ack = 0;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3359 ngx_queue_init(&range);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3360
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3361 do {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3362 /* process group of frames that fits into packet */
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3363 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
3364
8476
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3365 if (len && hlen + len + f->len > qc->ctp.max_udp_payload_size) {
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3366 break;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3367 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3368
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3369 if (f->need_ack) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3370 need_ack = 1;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3371 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3372
8476
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3373 if (need_ack && cg->in_flight + len + f->len > cg->window) {
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3374 break;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3375 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3376
8477
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3377 if (!qc->validated) {
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3378 /*
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3379 * Prior to validation, endpoints are limited in what they
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3380 * are able to send. During the handshake, a server cannot
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3381 * send more than three times the data it receives;
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3382 */
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3383
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3384 if (((c->sent + len + f->len) / 3) > qc->received) {
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3385 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3386 "quic hit amplification limit"
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3387 " received %uz sent %O",
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3388 qc->received, c->sent);
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3389 break;
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3390 }
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3391 }
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3392
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3393 q = ngx_queue_next(q);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3394
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3395 f->first = ngx_current_msec;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3396
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3397 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3398 ngx_queue_insert_tail(&range, &f->queue);
8476
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3399 ctx->frames_len -= f->len;
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3400
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3401 len += f->len;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3402
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3403 } while (q != ngx_queue_sentinel(&ctx->frames));
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3404
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3405 if (ngx_queue_empty(&range)) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3406 break;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3407 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3408
8473
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3409 if (ngx_quic_send_frames(c, ctx, &range) != NGX_OK) {
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3410 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3411 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3412
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3413 } while (q != ngx_queue_sentinel(&ctx->frames));
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3414
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3415 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3416 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3417
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3418
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3419 static void
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3420 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
3421 {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3422 ngx_queue_t *q;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3423 ngx_quic_frame_t *f;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3424
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3425 do {
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3426 q = ngx_queue_head(frames);
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3427
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3428 if (q == ngx_queue_sentinel(frames)) {
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3429 break;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3430 }
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3431
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3432 ngx_queue_remove(q);
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3433
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3434 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
3435
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3436 ngx_quic_free_frame(c, f);
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3437 } while (1);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3438 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3439
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3440
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3441 static ngx_int_t
8473
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3442 ngx_quic_send_frames(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx,
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3443 ngx_queue_t *frames)
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3444 {
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3445 ssize_t len;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3446 u_char *p;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3447 ngx_msec_t now;
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3448 ngx_str_t out, res;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3449 ngx_queue_t *q;
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
3450 ngx_ssl_conn_t *ssl_conn;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3451 ngx_quic_frame_t *f, *start;
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3452 ngx_quic_header_t pkt;
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
3453 ngx_quic_secrets_t *keys;
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3454 ngx_quic_connection_t *qc;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3455 static ngx_str_t initial_token = ngx_null_string;
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
3456 static u_char src[NGX_QUIC_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
3457 static u_char dst[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3458
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3459 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3460 "quic ngx_quic_send_frames");
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3461
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
3462 ssl_conn = c->ssl ? c->ssl->connection : NULL;
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
3463
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3464 q = ngx_queue_head(frames);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3465 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3466
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3467 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3468
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3469 now = ngx_current_msec;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3470
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3471 p = src;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3472 out.data = src;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3473
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3474 for (q = ngx_queue_head(frames);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3475 q != ngx_queue_sentinel(frames);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3476 q = ngx_queue_next(q))
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3477 {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3478 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3479
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3480 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3481 "quic frame out: %s", f->info);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3482
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3483 len = ngx_quic_create_frame(p, f);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3484 if (len == -1) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3485 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3486 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3487
8312
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet.
Vladimir Homutov <vl@nginx.com>
parents: 8311
diff changeset
3488 if (f->need_ack) {
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet.
Vladimir Homutov <vl@nginx.com>
parents: 8311
diff changeset
3489 pkt.need_ack = 1;
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet.
Vladimir Homutov <vl@nginx.com>
parents: 8311
diff changeset
3490 }
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet.
Vladimir Homutov <vl@nginx.com>
parents: 8311
diff changeset
3491
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3492 p += len;
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3493 f->pnum = ctx->pnum;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3494 f->last = now;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3495 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3496
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3497 out.len = p - out.data;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3498
8301
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8300
diff changeset
3499 while (out.len < 4) {
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8300
diff changeset
3500 *p++ = NGX_QUIC_FT_PADDING;
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8300
diff changeset
3501 out.len++;
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8300
diff changeset
3502 }
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8300
diff changeset
3503
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3504 qc = c->quic;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3505
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
3506 keys = &c->quic->keys[start->level];
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
3507
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
3508 pkt.secret = &keys->server;
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
3509
8370
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8369
diff changeset
3510 pkt.flags = NGX_QUIC_PKT_FIXED_BIT;
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8369
diff changeset
3511
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3512 if (start->level == ssl_encryption_initial) {
8370
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8369
diff changeset
3513 pkt.flags |= NGX_QUIC_PKT_LONG | NGX_QUIC_PKT_INITIAL;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3514 pkt.token = initial_token;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3515
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3516 } else if (start->level == ssl_encryption_handshake) {
8370
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8369
diff changeset
3517 pkt.flags |= NGX_QUIC_PKT_LONG | NGX_QUIC_PKT_HANDSHAKE;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3518
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3519 } else {
8370
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8369
diff changeset
3520 if (c->quic->key_phase) {
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8369
diff changeset
3521 pkt.flags |= NGX_QUIC_PKT_KPHASE;
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8369
diff changeset
3522 }
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3523 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3524
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3525 ngx_quic_set_packet_number(&pkt, ctx);
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3526
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3527 pkt.log = c->log;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3528 pkt.level = start->level;
8344
e0abe17a2878 Removed source/destination swap from the function creating header.
Vladimir Homutov <vl@nginx.com>
parents: 8343
diff changeset
3529 pkt.dcid = qc->scid;
e0abe17a2878 Removed source/destination swap from the function creating header.
Vladimir Homutov <vl@nginx.com>
parents: 8343
diff changeset
3530 pkt.scid = qc->dcid;
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3531 pkt.payload = out;
8285
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8284
diff changeset
3532
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3533 res.data = dst;
8285
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8284
diff changeset
3534
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3535 ngx_log_debug6(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3536 "quic packet ready: %ui bytes at level %d"
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3537 " need_ack: %d number: %L encoded %d:0x%xD",
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3538 out.len, start->level, pkt.need_ack, pkt.number,
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3539 pkt.num_len, pkt.trunc);
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3540
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
3541 if (ngx_quic_encrypt(&pkt, ssl_conn, &res) != NGX_OK) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3542 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3543 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3544
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3545 #ifdef NGX_QUIC_DEBUG_PACKETS
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
3546 ngx_quic_hexdump(c->log, "quic packet to send", res.data, res.len);
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3547 #endif
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3548
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3549 len = c->send(c, res.data, res.len);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3550 if (len == NGX_ERROR || (size_t) len != res.len) {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3551 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3552 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3553
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3554 /* len == NGX_OK || NGX_AGAIN */
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3555 ctx->pnum++;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3556
8473
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3557 if (pkt.need_ack) {
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3558 /* move frames into the sent queue to wait for ack */
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3559
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3560 if (qc->closing) {
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3561 /* if we are closing, any ack will be discarded */
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3562 ngx_quic_free_frames(c, frames);
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3563
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3564 } else {
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3565 ngx_queue_add(&ctx->sent, frames);
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3566 if (qc->pto.timer_set) {
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3567 ngx_del_timer(&qc->pto);
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3568 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3569 ngx_add_timer(&qc->pto, ngx_quic_pto(c, ctx));
8473
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3570 }
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3571
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3572 qc->congestion.in_flight += out.len;
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3573
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3574 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3575 "quic congestion send if:%uz",
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3576 qc->congestion.in_flight);
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3577 } else {
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3578 /* no ack is expected for this frames, so we can free them */
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3579 ngx_quic_free_frames(c, frames);
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3580 }
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3581
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3582 return NGX_OK;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3583 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3584
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3585
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3586 static void
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3587 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
3588 {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3589 uint64_t delta;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3590
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3591 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
3592 pkt->number = ctx->pnum;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3593
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3594 if (delta <= 0x7F) {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3595 pkt->num_len = 1;
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3596 pkt->trunc = ctx->pnum & 0xff;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3597
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3598 } else if (delta <= 0x7FFF) {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3599 pkt->num_len = 2;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3600 pkt->flags |= 0x1;
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3601 pkt->trunc = ctx->pnum & 0xffff;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3602
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3603 } else if (delta <= 0x7FFFFF) {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3604 pkt->num_len = 3;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3605 pkt->flags |= 0x2;
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3606 pkt->trunc = ctx->pnum & 0xffffff;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3607
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3608 } else {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3609 pkt->num_len = 4;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3610 pkt->flags |= 0x3;
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3611 pkt->trunc = ctx->pnum & 0xffffffff;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3612 }
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3613 }
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3614
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3615
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3616 static void
8472
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
3617 ngx_quic_pto_handler(ngx_event_t *ev)
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3618 {
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3619 ngx_connection_t *c;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3620
8472
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
3621 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
3622
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3623 c = ev->data;
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3624
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3625 if (ngx_quic_detect_lost(c, 0) != NGX_OK) {
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3626 ngx_quic_close_connection(c, NGX_ERROR);
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3627 return;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3628 }
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3629
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3630 c->quic->pto_count++;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3631 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3632
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3633
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3634 static void
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3635 ngx_quic_push_handler(ngx_event_t *ev)
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3636 {
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3637 ngx_connection_t *c;
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3638
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3639 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
3640
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3641 c = ev->data;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3642
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3643 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
3644 ngx_quic_close_connection(c, NGX_ERROR);
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3645 return;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3646 }
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3647 }
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3648
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3649
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3650 static ngx_int_t
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3651 ngx_quic_detect_lost(ngx_connection_t *c, ngx_uint_t ack)
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3652 {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3653 uint64_t pn;
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3654 ngx_uint_t i;
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3655 ngx_msec_t now, wait, min_wait, thr;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3656 ngx_queue_t *q, range;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3657 ngx_quic_frame_t *f, *start;
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3658 ngx_quic_send_ctx_t *ctx;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3659 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3660
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3661 qc = c->quic;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3662 now = ngx_current_msec;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3663
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3664 min_wait = 0;
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3665
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3666 #if (NGX_SUPPRESS_WARN)
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3667 thr = 0;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3668 #endif
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3669
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3670 if (ack) {
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3671 thr = NGX_QUIC_TIME_THR * ngx_max(qc->latest_rtt, qc->avg_rtt);
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3672 thr = ngx_max(thr, NGX_QUIC_TIME_GRANULARITY);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3673 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3674
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3675 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3676
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3677 ctx = &qc->send_ctx[i];
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3678
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3679 if (ngx_queue_empty(&ctx->sent)) {
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3680 continue;
8363
d3395396ce51 Fixed packet retransmission.
Roman Arutyunyan <arut@nginx.com>
parents: 8362
diff changeset
3681 }
d3395396ce51 Fixed packet retransmission.
Roman Arutyunyan <arut@nginx.com>
parents: 8362
diff changeset
3682
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3683 if (!ack) {
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3684 thr = ngx_quic_pto(c, ctx);
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3685 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3686
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3687 q = ngx_queue_head(&ctx->sent);
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3688
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3689 do {
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3690 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3691
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3692 wait = start->last + thr - now;
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3693
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3694 if ((ngx_msec_int_t) wait >= 0) {
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3695
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3696 if (min_wait == 0 || wait < min_wait) {
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3697 min_wait = wait;
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3698 }
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3699
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3700 if (!ack) {
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3701 break;
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3702 }
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3703
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3704 if ((start->pnum > ctx->largest_ack)
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3705 || ((ctx->largest_ack - start->pnum) < NGX_QUIC_PKT_THR))
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3706 {
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3707 break;
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3708 }
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3709 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3710
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3711 pn = start->pnum;
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3712
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3713 ngx_queue_init(&range);
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3714
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3715 /* send frames with same packet number to the wire */
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3716 do {
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3717 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3718
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3719 if (f->pnum != pn) {
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3720 break;
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3721 }
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3722
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3723 q = ngx_queue_next(q);
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3724
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3725 ngx_queue_remove(&f->queue);
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3726 ngx_queue_insert_tail(&range, &f->queue);
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3727
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3728 } while (q != ngx_queue_sentinel(&ctx->sent));
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3729
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3730 ngx_quic_congestion_lost(c, start->last);
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3731
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3732 if (ngx_quic_send_frames(c, ctx, &range) != NGX_OK) {
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3733 return NGX_ERROR;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3734 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3735
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3736 } while (q != ngx_queue_sentinel(&ctx->sent));
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3737 }
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3738
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3739 if (qc->pto.timer_set) {
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3740 ngx_del_timer(&qc->pto);
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3741 }
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3742
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3743 if (min_wait > 0) {
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3744 ngx_add_timer(&qc->pto, min_wait);
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
3745 }
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3746
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3747 return NGX_OK;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3748 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3749
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3750
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3751 ngx_connection_t *
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3752 ngx_quic_create_uni_stream(ngx_connection_t *c)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3753 {
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
3754 ngx_uint_t id;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
3755 ngx_quic_stream_t *qs, *sn;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
3756 ngx_quic_connection_t *qc;
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3757
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3758 qs = c->qs;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3759 qc = qs->parent->quic;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3760
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
3761 id = (qc->streams.id_counter << 2)
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
3762 | NGX_QUIC_STREAM_SERVER_INITIATED
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
3763 | NGX_QUIC_STREAM_UNIDIRECTIONAL;
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3764
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3765 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3766 "quic creating server uni stream #%ui id %ui",
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3767 qc->streams.id_counter, id);
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3768
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3769 qc->streams.id_counter++;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3770
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3771 sn = ngx_quic_create_stream(qs->parent, id, 0);
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3772 if (sn == NULL) {
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3773 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3774 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3775
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3776 return sn->c;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3777 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3778
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3779
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3780 static void
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3781 ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3782 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3783 {
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
3784 ngx_rbtree_node_t **p;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
3785 ngx_quic_stream_t *qn, *qnt;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3786
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3787 for ( ;; ) {
8284
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
3788 qn = (ngx_quic_stream_t *) node;
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
3789 qnt = (ngx_quic_stream_t *) temp;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3790
8284
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
3791 p = (qn->id < qnt->id) ? &temp->left : &temp->right;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3792
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3793 if (*p == sentinel) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3794 break;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3795 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3796
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3797 temp = *p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3798 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3799
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3800 *p = node;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3801 node->parent = temp;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3802 node->left = sentinel;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3803 node->right = sentinel;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3804 ngx_rbt_red(node);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3805 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3806
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3807
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
3808 static ngx_quic_stream_t *
8284
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
3809 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
3810 {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3811 ngx_rbtree_node_t *node, *sentinel;
8284
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
3812 ngx_quic_stream_t *qn;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3813
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3814 node = rbtree->root;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3815 sentinel = rbtree->sentinel;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3816
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3817 while (node != sentinel) {
8284
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
3818 qn = (ngx_quic_stream_t *) node;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3819
8284
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
3820 if (id == qn->id) {
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
3821 return qn;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3822 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3823
8284
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
3824 node = (id < qn->id) ? node->left : node->right;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3825 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3826
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3827 return NULL;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3828 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3829
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3830
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
3831 static ngx_quic_stream_t *
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3832 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
3833 {
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3834 ngx_log_t *log;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3835 ngx_pool_t *pool;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3836 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
3837 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
3838 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
3839
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3840 qc = c->quic;
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3841
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3842 pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, c->log);
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3843 if (pool == NULL) {
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3844 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3845 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3846
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3847 sn = ngx_pcalloc(pool, sizeof(ngx_quic_stream_t));
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3848 if (sn == NULL) {
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3849 ngx_destroy_pool(pool);
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3850 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3851 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3852
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3853 sn->node.key = id;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3854 sn->parent = c;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3855 sn->id = id;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3856
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3857 sn->b = ngx_create_temp_buf(pool, rcvbuf_size);
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3858 if (sn->b == NULL) {
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3859 ngx_destroy_pool(pool);
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3860 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3861 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3862
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3863 ngx_queue_init(&sn->fs.frames);
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3864
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3865 log = ngx_palloc(pool, sizeof(ngx_log_t));
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3866 if (log == NULL) {
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3867 ngx_destroy_pool(pool);
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3868 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3869 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3870
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3871 *log = *c->log;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3872 pool->log = log;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3873
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3874 sn->c = ngx_get_connection(-1, log);
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3875 if (sn->c == NULL) {
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3876 ngx_destroy_pool(pool);
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3877 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3878 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3879
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
3880 sn->c->qs = sn;
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3881 sn->c->pool = pool;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3882 sn->c->ssl = c->ssl;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3883 sn->c->sockaddr = c->sockaddr;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3884 sn->c->listening = c->listening;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3885 sn->c->addr_text = c->addr_text;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3886 sn->c->local_sockaddr = c->local_sockaddr;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3887 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
3888
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3889 sn->c->recv = ngx_quic_stream_recv;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3890 sn->c->send = ngx_quic_stream_send;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3891 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
3892
8479
b250b515e5b6 QUIC: fixed stream read event log.
Roman Arutyunyan <arut@nginx.com>
parents: 8478
diff changeset
3893 sn->c->read->log = log;
b250b515e5b6 QUIC: fixed stream read event log.
Roman Arutyunyan <arut@nginx.com>
parents: 8478
diff changeset
3894 sn->c->write->log = log;
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3895
8362
44cac24aaa44 Assign connection number to every QUIC stream log.
Roman Arutyunyan <arut@nginx.com>
parents: 8361
diff changeset
3896 log->connection = sn->c->number;
44cac24aaa44 Assign connection number to every QUIC stream log.
Roman Arutyunyan <arut@nginx.com>
parents: 8361
diff changeset
3897
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3898 if ((id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3899 || (id & NGX_QUIC_STREAM_SERVER_INITIATED))
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3900 {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3901 sn->c->write->ready = 1;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3902 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3903
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3904 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
3905 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
3906 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
3907 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3908
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3909 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3910 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
3911 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
3912 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3913 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
3914 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3915 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3916
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
3917 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
3918 if (cln == NULL) {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
3919 ngx_close_connection(sn->c);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
3920 ngx_destroy_pool(pool);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
3921 return NULL;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
3922 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
3923
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
3924 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
3925 cln->data = sn->c;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
3926
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3927 ngx_rbtree_insert(&c->quic->streams.tree, &sn->node);
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3928
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3929 return sn;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3930 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3931
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
3932
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3933 static ssize_t
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3934 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
3935 {
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3936 ssize_t len;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3937 ngx_buf_t *b;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3938 ngx_event_t *rev;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3939 ngx_connection_t *pc;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3940 ngx_quic_frame_t *frame;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3941 ngx_quic_stream_t *qs;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3942 ngx_quic_connection_t *qc;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3943
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3944 qs = c->qs;
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
3945 b = qs->b;
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3946 pc = qs->parent;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3947 qc = pc->quic;
8279
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
3948 rev = c->read;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3949
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3950 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
3951 "quic stream id 0x%xL recv: eof:%d, avail:%z",
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3952 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
3953
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3954 if (b->pos == b->last) {
8279
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
3955 rev->ready = 0;
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
3956
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
3957 if (rev->pending_eof) {
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
3958 rev->eof = 1;
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
3959 return 0;
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
3960 }
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
3961
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3962 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
3963 "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
3964 return NGX_AGAIN;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3965 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3966
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3967 len = ngx_min(b->last - b->pos, (ssize_t) size);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3968
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3969 ngx_memcpy(buf, b->pos, len);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3970
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3971 b->pos += len;
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3972 qc->streams.received += len;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3973
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3974 if (b->pos == b->last) {
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3975 b->pos = b->start;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3976 b->last = b->start;
8294
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 8293
diff changeset
3977 rev->ready = rev->pending_eof;
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3978 }
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3979
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3980 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
3981 "quic stream id 0x%xL recv: %z of %uz", qs->id, len, size);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3982
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3983 if (!rev->pending_eof) {
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3984 frame = ngx_quic_alloc_frame(pc, 0);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3985 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3986 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3987 }
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3988
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3989 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3990 frame->type = NGX_QUIC_FT_MAX_STREAM_DATA;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3991 frame->u.max_stream_data.id = qs->id;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3992 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
3993 + (b->end - b->last);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3994
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3995 ngx_sprintf(frame->info, "MAX_STREAM_DATA id:%d limit:%d l=%d on recv",
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3996 (int) frame->u.max_stream_data.id,
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3997 (int) frame->u.max_stream_data.limit,
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3998 frame->level);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
3999
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4000 ngx_quic_queue_frame(pc->quic, frame);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4001 }
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4002
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4003 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
4004
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4005 frame = ngx_quic_alloc_frame(pc, 0);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4006
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4007 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4008 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4009 }
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4010
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4011 qc->streams.recv_max_data *= 2;
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4012
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4013 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4014 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
4015 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
4016
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4017 ngx_sprintf(frame->info, "MAX_DATA max_data:%d level=%d on recv",
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4018 (int) frame->u.max_data.max_data, frame->level);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4019
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4020 ngx_quic_queue_frame(pc->quic, frame);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4021
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4022 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
4023 "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
4024 qs->id, qc->streams.recv_max_data);
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4025 }
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4026
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4027 return len;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4028 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4029
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4030
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4031 static ssize_t
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4032 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
4033 {
8345
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4034 u_char *p, *end;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4035 size_t fsize, limit, n, len;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4036 uint64_t sent, unacked;
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4037 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4038 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4039 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4040 ngx_quic_connection_t *qc;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4041
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4042 qs = c->qs;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4043 pc = qs->parent;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4044 qc = pc->quic;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4045
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
4046 if (qc->closing) {
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
4047 return NGX_ERROR;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
4048 }
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
4049
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4050 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
4051 "quic stream id 0x%xL send: %uz", qs->id, size);
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
4052
8345
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4053 /*
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4054 * we need to fit at least 1 frame into a packet, thus account head/tail;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4055 * 25 = 1 + 8x3 is max header for STREAM frame, with 1 byte for frame type
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4056 */
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
4057 limit = qc->ctp.max_udp_payload_size - NGX_QUIC_MAX_SHORT_HEADER - 25
8345
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4058 - EVP_GCM_TLS_TAG_LEN;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4059
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4060 len = size;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4061 sent = c->sent;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4062 unacked = sent - qs->acked;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4063
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4064 if (qc->streams.send_max_data == 0) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4065 qc->streams.send_max_data = qc->ctp.initial_max_data;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4066 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4067
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4068 if (unacked >= NGX_QUIC_STREAM_BUFSIZE) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4069 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4070 "quic send hit buffer size");
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4071 len = 0;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4072
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4073 } else if (unacked + len > NGX_QUIC_STREAM_BUFSIZE) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4074 len = NGX_QUIC_STREAM_BUFSIZE - unacked;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4075 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4076
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4077 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
4078 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4079 "quic send hit MAX_DATA");
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4080 len = 0;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4081
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4082 } else if (qc->streams.sent + len > 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
4083 len = qc->streams.send_max_data - qc->streams.sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4084 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4085
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4086 if (sent >= qs->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4087 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4088 "quic send hit MAX_STREAM_DATA");
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4089 len = 0;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4090
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4091 } else if (sent + len > qs->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4092 len = qs->send_max_data - sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4093 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4094
8345
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4095 p = (u_char *) buf;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4096 end = (u_char *) buf + len;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4097 n = 0;
8345
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4098
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4099 while (p < end) {
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4100
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4101 fsize = ngx_min(limit, (size_t) (end - p));
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4102
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4103 frame = ngx_quic_alloc_frame(pc, fsize);
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4104 if (frame == NULL) {
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4105 return 0;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4106 }
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4107
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4108 ngx_memcpy(frame->data, p, fsize);
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4109
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4110 frame->level = ssl_encryption_application;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4111 frame->type = NGX_QUIC_FT_STREAM6; /* OFF=1 LEN=1 FIN=0 */
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4112 frame->u.stream.off = 1;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4113 frame->u.stream.len = 1;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4114 frame->u.stream.fin = 0;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4115
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4116 frame->u.stream.type = frame->type;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4117 frame->u.stream.stream_id = qs->id;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4118 frame->u.stream.offset = c->sent;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4119 frame->u.stream.length = fsize;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4120 frame->u.stream.data = frame->data;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4121
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4122 c->sent += fsize;
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4123 qc->streams.sent += fsize;
8345
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4124 p += fsize;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4125 n += fsize;
8345
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4126
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
4127 ngx_sprintf(frame->info, "stream 0x%xL len=%ui level=%d",
8345
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4128 qs->id, fsize, frame->level);
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4129
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4130 ngx_quic_queue_frame(qc, frame);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4131 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4132
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4133 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4134 "quic send %uz of %uz, sent:%O, unacked:%uL",
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4135 n, size, c->sent, (uint64_t) c->sent - qs->acked);
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4136
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4137 if (n != size) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4138 c->write->ready = 0;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4139 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4140
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4141 if (n == 0) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4142 return NGX_AGAIN;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4143 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4144
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4145 return n;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4146 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4147
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4148
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4149 static void
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4150 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
4151 {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4152 ngx_connection_t *c = data;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4153
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4154 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4155 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4156 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4157 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
4158
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4159 qs = c->qs;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4160 pc = qs->parent;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4161 qc = pc->quic;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4162
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4163 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
4164 "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
4165
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
4166 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
4167 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
4168
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
4169 if (qc->closing) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
4170 /* 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
4171 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
4172 return;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
4173 }
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
4174
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4175 if ((qs->id & 0x03) == NGX_QUIC_STREAM_UNIDIRECTIONAL) {
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4176 /* do not send fin for client unidirectional streams */
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4177 return;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4178 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4179
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4180 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
4181 "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
4182
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4183 frame = ngx_quic_alloc_frame(pc, 0);
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4184 if (frame == NULL) {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4185 return;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4186 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4187
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4188 frame->level = ssl_encryption_application;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4189 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
4190 frame->u.stream.off = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4191 frame->u.stream.len = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4192 frame->u.stream.fin = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4193
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4194 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
4195 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
4196 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
4197 frame->u.stream.length = 0;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4198 frame->u.stream.data = NULL;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4199
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
4200 ngx_sprintf(frame->info, "stream 0x%xL fin=1 level=%d",
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4201 qs->id, frame->level);
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4202
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4203 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
4204
1ec905f4d851 Push QUIC stream frames in send() and cleanup handler.
Roman Arutyunyan <arut@nginx.com>
parents: 8290
diff changeset
4205 (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
4206 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4207
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4208
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4209 static ngx_chain_t *
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4210 ngx_quic_stream_send_chain(ngx_connection_t *c, ngx_chain_t *in,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4211 off_t limit)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4212 {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4213 size_t len;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4214 ssize_t n;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4215 ngx_buf_t *b;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4216
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4217 for ( /* void */; in; in = in->next) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4218 b = in->buf;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4219
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4220 if (!ngx_buf_in_memory(b)) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4221 continue;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4222 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4223
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4224 if (ngx_buf_size(b) == 0) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4225 continue;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4226 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4227
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4228 len = b->last - b->pos;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4229
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4230 n = ngx_quic_stream_send(c, b->pos, len);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4231
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4232 if (n == NGX_ERROR) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4233 return NGX_CHAIN_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4234 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4235
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4236 if (n == NGX_AGAIN) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4237 return in;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4238 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4239
8350
47dac6e0521a Fixed QUIC buffer consumption in send_chain().
Roman Arutyunyan <arut@nginx.com>
parents: 8348
diff changeset
4240 b->pos += n;
47dac6e0521a Fixed QUIC buffer consumption in send_chain().
Roman Arutyunyan <arut@nginx.com>
parents: 8348
diff changeset
4241
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4242 if (n != (ssize_t) len) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4243 return in;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4244 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4245 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4246
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4247 return NULL;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4248 }
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4249
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4250
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4251 static ngx_quic_frame_t *
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4252 ngx_quic_alloc_frame(ngx_connection_t *c, size_t size)
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4253 {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4254 u_char *p;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4255 ngx_queue_t *q;
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4256 ngx_quic_frame_t *frame;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4257 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4258
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4259 if (size) {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4260 p = ngx_alloc(size, c->log);
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4261 if (p == NULL) {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4262 return NULL;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4263 }
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4264
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4265 } else {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4266 p = NULL;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4267 }
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4268
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4269 qc = c->quic;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4270
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4271 if (!ngx_queue_empty(&qc->free_frames)) {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4272
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4273 q = ngx_queue_head(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4274 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
4275
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4276 ngx_queue_remove(&frame->queue);
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4277
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4278 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4279 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4280 "quic reuse frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4281 #endif
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4282
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4283 } else {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4284 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4285 if (frame == NULL) {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4286 ngx_free(p);
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4287 return NULL;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4288 }
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4289
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4290 #if (NGX_DEBUG)
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4291 ++qc->nframes;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4292 #endif
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4293
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4294 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4295 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4296 "quic alloc frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4297 #endif
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4298 }
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4299
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4300 ngx_memzero(frame, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4301
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4302 frame->data = p;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4303
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4304 return frame;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4305 }
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4306
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4307
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4308 static void
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4309 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
4310 {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4311 ngx_msec_t timer;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4312 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4313 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4314
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4315 qc = c->quic;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4316 cg = &qc->congestion;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4317
8476
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
4318 cg->in_flight -= f->len;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4319
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4320 timer = f->last - cg->recovery_start;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4321
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4322 if ((ngx_msec_int_t) timer <= 0) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4323 return;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4324 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4325
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4326 if (cg->window < cg->ssthresh) {
8476
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
4327 cg->window += f->len;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4328
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4329 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4330 "quic congestion slow start win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4331 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4332
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4333 } else {
8476
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
4334 cg->window += qc->tp.max_udp_payload_size * f->len / cg->window;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4335
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4336 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4337 "quic congestion avoidance win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4338 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4339 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4340
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4341 /* prevent recovery_start from wrapping */
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4342
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4343 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
4344
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4345 if ((ngx_msec_int_t) timer < 0) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4346 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
4347 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4348 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4349
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4350
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4351 static void
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4352 ngx_quic_congestion_lost(ngx_connection_t *c, ngx_msec_t sent)
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4353 {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4354 ngx_msec_t timer;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4355 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4356 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4357
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4358 qc = c->quic;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4359 cg = &qc->congestion;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4360
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4361 timer = sent - cg->recovery_start;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4362
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4363 if ((ngx_msec_int_t) timer <= 0) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4364 return;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4365 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4366
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4367 cg->recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4368 cg->window /= 2;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4369
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
4370 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
4371 cg->window = qc->tp.max_udp_payload_size * 2;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4372 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4373
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4374 cg->ssthresh = cg->window;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4375
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4376 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4377 "quic congestion lost win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4378 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4379 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4380
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4381
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4382 static void
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4383 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
4384 {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4385 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4386
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4387 qc = c->quic;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4388
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4389 if (frame->data) {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4390 ngx_free(frame->data);
8394
df18ae7161b8 Assorted fixes.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8393
diff changeset
4391 frame->data = NULL;
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4392 }
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4393
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4394 ngx_queue_insert_head(&qc->free_frames, &frame->queue);
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4395
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4396 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4397 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4398 "quic free frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4399 #endif
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4400 }