annotate src/event/ngx_event_quic.c @ 8083:702f1d2581a4 quic

QUIC: eliminated idle timeout restart for dropped packets.
author Roman Arutyunyan <arut@nginx.com>
date Tue, 08 Sep 2020 15:54:02 +0300
parents dcbb58e7ed11
children eece8e35e64d
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b28ea685a56e Moved all QUIC code into ngx_event_quic.c
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1
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
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2 /*
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3 * Copyright (C) Nginx, Inc.
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4 */
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5
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6
7637
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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>
8004
d0ac4449a07f QUIC: fixed bulding perl module by reducing header pollution.
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10 #include <ngx_event_quic_transport.h>
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11 #include <ngx_event_quic_protection.h>
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12
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13
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14 /* 0-RTT and 1-RTT data exist in the same packet number space,
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15 * so we have 3 packet number spaces:
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16 *
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17 * 0 - Initial
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18 * 1 - Handshake
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19 * 2 - 0-RTT and 1-RTT
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20 */
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21 #define ngx_quic_get_send_ctx(qc, level) \
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22 ((level) == ssl_encryption_initial) ? &((qc)->send_ctx[0]) \
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23 : (((level) == ssl_encryption_handshake) ? &((qc)->send_ctx[1]) \
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24 : &((qc)->send_ctx[2]))
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25
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26 #define NGX_QUIC_SEND_CTX_LAST (NGX_QUIC_ENCRYPTION_LAST - 1)
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27
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de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
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28 #define NGX_QUIC_STREAMS_INC 16
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29 #define NGX_QUIC_STREAMS_LIMIT (1ULL < 60)
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30
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31 /*
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32 * 7.4. Cryptographic Message Buffering
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33 * Implementations MUST support buffering at least 4096 bytes of data
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34 */
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35 #define NGX_QUIC_MAX_BUFFERED 65535
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36
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37 #define NGX_QUIC_STREAM_GONE (void *) -1
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38
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39
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40 typedef struct {
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41 ngx_rbtree_t tree;
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42 ngx_rbtree_node_t sentinel;
7695
cfc429911c0d Implemented creation of server unidirectional streams.
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43
7842
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
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44 uint64_t received;
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45 uint64_t sent;
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46 uint64_t recv_max_data;
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47 uint64_t send_max_data;
8013
455a8536eaa7 QUIC: limited the number of server-initiated streams.
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48
455a8536eaa7 QUIC: limited the number of server-initiated streams.
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49 uint64_t server_max_streams_uni;
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50 uint64_t server_max_streams_bidi;
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51 uint64_t server_streams_uni;
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52 uint64_t server_streams_bidi;
8014
c5324bb3a704 QUIC: limited the number of client-initiated streams.
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53
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54 uint64_t client_max_streams_uni;
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55 uint64_t client_max_streams_bidi;
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56 uint64_t client_streams_uni;
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57 uint64_t client_streams_bidi;
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58 } ngx_quic_streams_t;
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59
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60
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eee307399229 QUIC basic congestion control.
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61 typedef struct {
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62 size_t in_flight;
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63 size_t window;
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64 size_t ssthresh;
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65 ngx_msec_t recovery_start;
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66 } ngx_quic_congestion_t;
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67
eee307399229 QUIC basic congestion control.
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68
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69 /*
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70 * 12.3. Packet Numbers
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71 *
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72 * Conceptually, a packet number space is the context in which a packet
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73 * can be processed and acknowledged. Initial packets can only be sent
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74 * with Initial packet protection keys and acknowledged in packets which
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75 * are also Initial packets.
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76 */
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dc7ac778aafe Introduced packet namespace in QUIC connection.
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77 typedef struct {
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78 ngx_quic_secret_t client_secret;
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79 ngx_quic_secret_t server_secret;
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80
7878
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81 uint64_t pnum; /* to be sent */
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82 uint64_t largest_ack; /* received from peer */
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83 uint64_t largest_pn; /* received from peer */
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e10b4c61420f Implemented retransmission and retransmit queue.
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84
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85 ngx_queue_t frames;
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86 ngx_queue_t sent;
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87 } ngx_quic_send_ctx_t;
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88
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89
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90 struct ngx_quic_connection_s {
8076
3afaaaa930ab QUIC: added support for multiple connection IDs.
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91 ngx_str_t scid; /* initial client ID */
3afaaaa930ab QUIC: added support for multiple connection IDs.
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92 ngx_str_t dcid; /* server (our own) ID */
3afaaaa930ab QUIC: added support for multiple connection IDs.
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93 ngx_str_t odcid; /* original server ID */
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94 ngx_str_t token;
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95
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3afaaaa930ab QUIC: added support for multiple connection IDs.
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96 ngx_queue_t client_ids;
3afaaaa930ab QUIC: added support for multiple connection IDs.
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97 ngx_queue_t free_client_ids;
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98 ngx_uint_t nclient_ids;
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99 uint64_t max_retired_seqnum;
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100 uint64_t curr_seqnum;
3afaaaa930ab QUIC: added support for multiple connection IDs.
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101
7726
f388c0ad3477 Added processing of client transport parameters.
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102 ngx_uint_t client_tp_done;
7713
e9891e8ee975 Configurable transport parameters.
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103 ngx_quic_tp_t tp;
7731
d45325e90221 Limit output QUIC packets with client max_packet_size.
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104 ngx_quic_tp_t ctp;
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e9891e8ee975 Configurable transport parameters.
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105
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106 ngx_quic_send_ctx_t send_ctx[NGX_QUIC_SEND_CTX_LAST];
7772
058a5af7ddfc Refactored QUIC secrets storage.
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107 ngx_quic_secrets_t keys[NGX_QUIC_ENCRYPTION_LAST];
7785
29354c6fc5f2 TLS Key Update in QUIC.
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108 ngx_quic_secrets_t next_key;
7810
167d32476737 Crypto buffer frames reordering.
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109 ngx_quic_frames_stream_t crypto[NGX_QUIC_ENCRYPTION_LAST];
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058a5af7ddfc Refactored QUIC secrets storage.
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110
7999
0d2b2664b41c QUIC: added "quic" listen parameter.
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111 ngx_quic_conf_t *conf;
0d2b2664b41c QUIC: added "quic" listen parameter.
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112
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113 ngx_ssl_t *ssl;
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114
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115 ngx_event_t push;
7990
3b15732ac03f QUIC: renaming.
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116 ngx_event_t pto;
7832
ad3a6f069498 Added proper handling of connection close phases.
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117 ngx_event_t close;
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118 ngx_queue_t free_frames;
7832
ad3a6f069498 Added proper handling of connection close phases.
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119 ngx_msec_t last_cc;
7752
c7185bc5b4d9 QUIC frames reuse.
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120
7987
3b107aadc9f6 QUIC: added rtt estimation.
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121 ngx_msec_t latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
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122 ngx_msec_t avg_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
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123 ngx_msec_t min_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
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124 ngx_msec_t rttvar;
3b107aadc9f6 QUIC: added rtt estimation.
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125
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f9b1a4e52597 QUIC: changed c->quic->pto_count type to ngx_uint_t.
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126 ngx_uint_t pto_count;
7993
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
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127
7752
c7185bc5b4d9 QUIC frames reuse.
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128 #if (NGX_DEBUG)
c7185bc5b4d9 QUIC frames reuse.
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129 ngx_uint_t nframes;
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130 #endif
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131
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132 ngx_quic_streams_t streams;
7841
eee307399229 QUIC basic congestion control.
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133 ngx_quic_congestion_t congestion;
7995
031918df51c0 QUIC: added anti-amplification limit.
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134 size_t received;
7747
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
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135
7862
fb7422074258 Added generation of CC frames with error on connection termination.
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diff changeset
136 ngx_uint_t error;
7953
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
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parents: 7945
diff changeset
137 enum ssl_encryption_level_t error_level;
7876
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7875
diff changeset
138 ngx_uint_t error_ftype;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7875
diff changeset
139 const char *error_reason;
7862
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 7861
diff changeset
140
7953
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
141 unsigned error_app:1;
7747
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 7746
diff changeset
142 unsigned send_timer_set:1;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 7746
diff changeset
143 unsigned closing:1;
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
144 unsigned draining:1;
7785
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
145 unsigned key_phase:1;
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
146 unsigned in_retry:1;
7874
1245e274b9ba Avoided excessive definitions for connection state.
Vladimir Homutov <vl@nginx.com>
parents: 7871
diff changeset
147 unsigned initialized:1;
7995
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
148 unsigned validated:1;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
149 };
7672
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 7671
diff changeset
150
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
151
8076
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
152 typedef struct {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
153 ngx_queue_t queue;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
154 uint64_t seqnum;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
155 size_t len;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
156 u_char id[NGX_QUIC_CID_LEN_MAX];
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
157 u_char sr_token[NGX_QUIC_SRT_LEN];
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
158 } ngx_quic_client_id_t;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
159
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
160
7812
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 7811
diff changeset
161 typedef ngx_int_t (*ngx_quic_frame_handler_pt)(ngx_connection_t *c,
7855
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 7854
diff changeset
162 ngx_quic_frame_t *frame, void *data);
7812
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 7811
diff changeset
163
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 7811
diff changeset
164
7670
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
165 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
166 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: 7669
diff changeset
167 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: 7669
diff changeset
168 const uint8_t *secret, size_t secret_len);
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
169 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: 7669
diff changeset
170 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: 7669
diff changeset
171 const uint8_t *secret, size_t secret_len);
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
172 #else
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
173 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: 7646
diff changeset
174 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: 7646
diff changeset
175 const uint8_t *write_secret, size_t secret_len);
7670
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
176 #endif
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
177
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
178 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: 7646
diff changeset
179 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: 7646
diff changeset
180 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: 7646
diff changeset
181 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: 7646
diff changeset
182 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: 7646
diff changeset
183
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
184
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
185 static ngx_int_t ngx_quic_new_connection(ngx_connection_t *c, ngx_ssl_t *ssl,
8001
2da9c4fddd44 QUIC: eliminated connection handler argument in ngx_quic_run().
Roman Arutyunyan <arut@nginx.com>
parents: 8000
diff changeset
186 ngx_quic_conf_t *conf, ngx_quic_header_t *pkt);
8060
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
187 static ngx_int_t ngx_quic_negotiate_version(ngx_connection_t *c,
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
188 ngx_quic_header_t *inpkt);
7859
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7858
diff changeset
189 static ngx_int_t ngx_quic_new_dcid(ngx_connection_t *c, ngx_str_t *odcid);
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
190 static ngx_int_t ngx_quic_retry(ngx_connection_t *c);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
191 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: 7859
diff changeset
192 static ngx_int_t ngx_quic_validate_token(ngx_connection_t *c,
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
193 ngx_quic_header_t *pkt);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
194 static ngx_int_t ngx_quic_init_connection(ngx_connection_t *c);
7931
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7930
diff changeset
195 static ngx_inline size_t ngx_quic_max_udp_payload(ngx_connection_t *c);
7729
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7726
diff changeset
196 static void ngx_quic_input_handler(ngx_event_t *rev);
7831
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
197
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
198 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: 7831
diff changeset
199 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: 7831
diff changeset
200 static void ngx_quic_close_timer_handler(ngx_event_t *ev);
7831
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
201 static ngx_int_t ngx_quic_close_streams(ngx_connection_t *c,
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
202 ngx_quic_connection_t *qc);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
203
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
204 static ngx_int_t ngx_quic_input(ngx_connection_t *c, ngx_buf_t *b);
7854
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 7848
diff changeset
205 static ngx_inline u_char *ngx_quic_skip_zero_padding(ngx_buf_t *b);
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
206 static ngx_int_t ngx_quic_retry_input(ngx_connection_t *c,
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
207 ngx_quic_header_t *pkt);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
208 static ngx_int_t ngx_quic_initial_input(ngx_connection_t *c,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
209 ngx_quic_header_t *pkt);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
210 static ngx_int_t ngx_quic_handshake_input(ngx_connection_t *c,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
211 ngx_quic_header_t *pkt);
7770
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
212 static ngx_int_t ngx_quic_early_input(ngx_connection_t *c,
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
213 ngx_quic_header_t *pkt);
7838
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
214 static ngx_int_t ngx_quic_check_peer(ngx_quic_connection_t *qc,
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
215 ngx_quic_header_t *pkt);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
216 static ngx_int_t ngx_quic_app_input(ngx_connection_t *c,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
217 ngx_quic_header_t *pkt);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
218 static ngx_int_t ngx_quic_payload_handler(ngx_connection_t *c,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
219 ngx_quic_header_t *pkt);
7844
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
220 static ngx_int_t ngx_quic_send_ack(ngx_connection_t *c, ngx_quic_header_t *pkt);
7988
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 7987
diff changeset
221 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: 7987
diff changeset
222 struct timeval *received, enum ssl_encryption_level_t level);
7953
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
223 static ngx_int_t ngx_quic_send_cc(ngx_connection_t *c);
7861
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
224 static ngx_int_t ngx_quic_send_new_token(ngx_connection_t *c);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
226 static ngx_int_t ngx_quic_handle_ack_frame(ngx_connection_t *c,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
227 ngx_quic_header_t *pkt, ngx_quic_ack_frame_t *f);
7792
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
228 static ngx_int_t ngx_quic_handle_ack_frame_range(ngx_connection_t *c,
7987
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
229 ngx_quic_send_ctx_t *ctx, uint64_t min, uint64_t max,
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
230 ngx_msec_t *send_time);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
231 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: 7953
diff changeset
232 enum ssl_encryption_level_t level, ngx_msec_t send_time);
7993
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
233 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: 7992
diff changeset
234 ngx_quic_send_ctx_t *ctx);
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
235 static void ngx_quic_handle_stream_ack(ngx_connection_t *c,
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
236 ngx_quic_frame_t *f);
7812
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 7811
diff changeset
237
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 7811
diff changeset
238 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: 7811
diff changeset
239 ngx_quic_frames_stream_t *fs, ngx_quic_frame_t *frame,
7855
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 7854
diff changeset
240 ngx_quic_frame_handler_pt handler, void *data);
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
241 static ngx_int_t ngx_quic_adjust_frame_offset(ngx_connection_t *c,
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
242 ngx_quic_frame_t *f, uint64_t offset_in);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
243 static ngx_int_t ngx_quic_buffer_frame(ngx_connection_t *c,
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
244 ngx_quic_frames_stream_t *stream, ngx_quic_frame_t *f);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
245
7812
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 7811
diff changeset
246 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: 7811
diff changeset
247 ngx_quic_header_t *pkt, ngx_quic_frame_t *frame);
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
248 static ngx_int_t ngx_quic_crypto_input(ngx_connection_t *c,
7855
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 7854
diff changeset
249 ngx_quic_frame_t *frame, void *data);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
250 static ngx_int_t ngx_quic_handle_stream_frame(ngx_connection_t *c,
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
251 ngx_quic_header_t *pkt, ngx_quic_frame_t *frame);
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
252 static ngx_int_t ngx_quic_stream_input(ngx_connection_t *c,
7855
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 7854
diff changeset
253 ngx_quic_frame_t *frame, void *data);
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
254
7842
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
255 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: 7841
diff changeset
256 ngx_quic_max_data_frame_t *f);
7711
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 7707
diff changeset
257 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: 7707
diff changeset
258 ngx_quic_header_t *pkt, ngx_quic_streams_blocked_frame_t *f);
7732
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
259 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: 7731
diff changeset
260 ngx_quic_header_t *pkt, ngx_quic_stream_data_blocked_frame_t *f);
7842
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
261 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: 7841
diff changeset
262 ngx_quic_header_t *pkt, ngx_quic_max_stream_data_frame_t *f);
7923
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
263 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: 7922
diff changeset
264 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: 7922
diff changeset
265 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: 7922
diff changeset
266 ngx_quic_header_t *pkt, ngx_quic_stop_sending_frame_t *f);
8013
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
267 static ngx_int_t ngx_quic_handle_max_streams_frame(ngx_connection_t *c,
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
268 ngx_quic_header_t *pkt, ngx_quic_max_streams_frame_t *f);
8069
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
269 static ngx_int_t ngx_quic_handle_path_challenge_frame(ngx_connection_t *c,
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
270 ngx_quic_header_t *pkt, ngx_quic_path_challenge_frame_t *f);
8076
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
271 static ngx_int_t ngx_quic_handle_new_connection_id_frame(ngx_connection_t *c,
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
272 ngx_quic_header_t *pkt, ngx_quic_new_conn_id_frame_t *f);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
273 static ngx_int_t ngx_quic_retire_connection_id(ngx_connection_t *c,
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
274 enum ssl_encryption_level_t level, uint64_t seqnum);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
275 static ngx_quic_client_id_t *ngx_quic_alloc_connection_id(ngx_connection_t *c);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
276
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
277 static void ngx_quic_queue_frame(ngx_quic_connection_t *qc,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
278 ngx_quic_frame_t *frame);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
279
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
280 static ngx_int_t ngx_quic_output(ngx_connection_t *c);
7808
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
281 static ngx_int_t ngx_quic_output_frames(ngx_connection_t *c,
7809
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 7808
diff changeset
282 ngx_quic_send_ctx_t *ctx);
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
283 static void ngx_quic_free_frames(ngx_connection_t *c, ngx_queue_t *frames);
7991
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 7990
diff changeset
284 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: 7990
diff changeset
285 ngx_quic_send_ctx_t *ctx, ngx_queue_t *frames);
7781
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
286
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
287 static void ngx_quic_set_packet_number(ngx_quic_header_t *pkt,
7808
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
288 ngx_quic_send_ctx_t *ctx);
7990
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 7989
diff changeset
289 static void ngx_quic_pto_handler(ngx_event_t *ev);
8051
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
290 static void ngx_quic_lost_handler(ngx_event_t *ev);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
291 static ngx_int_t ngx_quic_detect_lost(ngx_connection_t *c);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
292 static ngx_int_t ngx_quic_resend_frames(ngx_connection_t *c,
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
293 ngx_quic_send_ctx_t *ctx, ngx_quic_frame_t *start);
7775
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 7774
diff changeset
294 static void ngx_quic_push_handler(ngx_event_t *ev);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
295
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
296 static void ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
297 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel);
7746
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7745
diff changeset
298 static ngx_quic_stream_t *ngx_quic_find_stream(ngx_rbtree_t *rbtree,
7750
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 7748
diff changeset
299 uint64_t id);
8022
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
300 static ngx_quic_stream_t *ngx_quic_create_client_stream(ngx_connection_t *c,
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
301 uint64_t id);
7746
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7745
diff changeset
302 static ngx_quic_stream_t *ngx_quic_create_stream(ngx_connection_t *c,
7748
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
303 uint64_t id, size_t rcvbuf_size);
7677
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 7675
diff changeset
304 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: 7675
diff changeset
305 size_t size);
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 7675
diff changeset
306 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: 7675
diff changeset
307 size_t size);
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 7675
diff changeset
308 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: 7675
diff changeset
309 ngx_chain_t *in, off_t limit);
8027
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
310 static size_t ngx_quic_max_stream_frame(ngx_quic_connection_t *qc);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
311 static size_t ngx_quic_max_stream_flow(ngx_connection_t *c);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
312 static void ngx_quic_stream_cleanup_handler(void *data);
7752
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
313 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: 7751
diff changeset
314 static void ngx_quic_free_frame(ngx_connection_t *c, ngx_quic_frame_t *frame);
7677
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 7675
diff changeset
315
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
316 static void ngx_quic_congestion_ack(ngx_connection_t *c,
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
317 ngx_quic_frame_t *frame);
8026
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
318 static void ngx_quic_congestion_lost(ngx_connection_t *c,
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
319 ngx_quic_frame_t *frame);
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
320
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
321
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
322 static SSL_QUIC_METHOD quic_method = {
7670
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
323 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
324 ngx_quic_set_read_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
325 ngx_quic_set_write_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
326 #else
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
327 ngx_quic_set_encryption_secrets,
7670
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
328 #endif
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
329 ngx_quic_add_handshake_data,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
330 ngx_quic_flush_flight,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
331 ngx_quic_send_alert,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
332 };
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
333
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
334
7670
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
335 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
336
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
337 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
338 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: 7669
diff changeset
339 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
7687
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 7686
diff changeset
340 const uint8_t *rsecret, size_t secret_len)
7670
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
341 {
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
342 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
343 ngx_quic_secrets_t *keys;
7670
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
344
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
345 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: 7669
diff changeset
346
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
347 #ifdef NGX_QUIC_DEBUG_CRYPTO
7837
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 7836
diff changeset
348 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 7836
diff changeset
349 "quic ngx_quic_set_read_secret() level:%d", level);
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 7836
diff changeset
350 ngx_quic_hexdump(c->log, "quic read secret", rsecret, secret_len);
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
351 #endif
7670
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
352
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
353 keys = &c->quic->keys[level];
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
354
7687
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 7686
diff changeset
355 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: 7686
diff changeset
356 rsecret, secret_len,
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
357 &keys->client);
7670
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
358 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
359
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
360
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
361 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
362 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: 7669
diff changeset
363 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
7687
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 7686
diff changeset
364 const uint8_t *wsecret, size_t secret_len)
7670
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
365 {
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
366 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
367 ngx_quic_secrets_t *keys;
7670
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
368
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
369 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: 7669
diff changeset
370
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
371 #ifdef NGX_QUIC_DEBUG_CRYPTO
7837
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 7836
diff changeset
372 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 7836
diff changeset
373 "quic ngx_quic_set_write_secret() level:%d", level);
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 7836
diff changeset
374 ngx_quic_hexdump(c->log, "quic write secret", wsecret, secret_len);
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
375 #endif
7670
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
376
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
377 keys = &c->quic->keys[level];
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
378
7687
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 7686
diff changeset
379 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: 7686
diff changeset
380 wsecret, secret_len,
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
381 &keys->server);
7670
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
382 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
383
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
384 #else
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
385
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
386 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
387 ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn,
7687
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 7686
diff changeset
388 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: 7686
diff changeset
389 const uint8_t *wsecret, size_t secret_len)
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
390 {
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
391 ngx_int_t rc;
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
392 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
393 ngx_quic_secrets_t *keys;
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
394
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
395 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: 7646
diff changeset
396
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
397 #ifdef NGX_QUIC_DEBUG_CRYPTO
7837
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 7836
diff changeset
398 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 7836
diff changeset
399 "quic ngx_quic_set_encryption_secrets() level:%d", level);
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 7836
diff changeset
400 ngx_quic_hexdump(c->log, "quic read", rsecret, secret_len);
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
401 #endif
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
402
7793
0ae50d90658a Fixed build with OpenSSL using old callbacks API.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7792
diff changeset
403 keys = &c->quic->keys[level];
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
404
7687
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 7686
diff changeset
405 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: 7686
diff changeset
406 rsecret, secret_len,
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
407 &keys->client);
7687
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 7686
diff changeset
408 if (rc != 1) {
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 7686
diff changeset
409 return rc;
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
410 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
411
7769
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7768
diff changeset
412 if (level == ssl_encryption_early_data) {
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7768
diff changeset
413 return 1;
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7768
diff changeset
414 }
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7768
diff changeset
415
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
416 #ifdef NGX_QUIC_DEBUG_CRYPTO
7837
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 7836
diff changeset
417 ngx_quic_hexdump(c->log, "quic write", wsecret, secret_len);
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
418 #endif
7769
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7768
diff changeset
419
7687
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 7686
diff changeset
420 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: 7686
diff changeset
421 wsecret, secret_len,
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
422 &keys->server);
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
423 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
424
7670
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
425 #endif
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7669
diff changeset
426
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
427
7650
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 7649
diff changeset
428 static int
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 7649
diff changeset
429 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: 7649
diff changeset
430 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: 7649
diff changeset
431 {
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
432 u_char *p, *end;
7822
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
433 size_t client_params_len, fsize, limit;
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
434 const uint8_t *client_params;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
435 ngx_quic_frame_t *frame;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
436 ngx_connection_t *c;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
437 ngx_quic_connection_t *qc;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
438 ngx_quic_frames_stream_t *fs;
7650
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 7649
diff changeset
439
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 7649
diff changeset
440 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: 7649
diff changeset
441 qc = c->quic;
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 7649
diff changeset
442
7652
0a2683df5f11 Implemented improved version of quic_output().
Vladimir Homutov <vl@nginx.com>
parents: 7651
diff changeset
443 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
444 "quic ngx_quic_add_handshake_data");
7650
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 7649
diff changeset
445
7726
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7725
diff changeset
446 if (!qc->client_tp_done) {
7933
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 7932
diff changeset
447 /*
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 7932
diff changeset
448 * things to do once during handshake: check ALPN and transport
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 7932
diff changeset
449 * parameters; we want to break handshake if something is wrong
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 7932
diff changeset
450 * here;
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 7932
diff changeset
451 */
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 7932
diff changeset
452
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 7932
diff changeset
453 #if defined(TLSEXT_TYPE_application_layer_protocol_negotiation)
8000
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 7999
diff changeset
454 if (qc->conf->require_alpn) {
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 7999
diff changeset
455 unsigned int len;
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 7999
diff changeset
456 const unsigned char *data;
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 7999
diff changeset
457
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 7999
diff changeset
458 SSL_get0_alpn_selected(c->ssl->connection, &data, &len);
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 7999
diff changeset
459
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 7999
diff changeset
460 if (len == 0) {
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 7999
diff changeset
461 qc->error = 0x100 + SSL_AD_NO_APPLICATION_PROTOCOL;
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 7999
diff changeset
462 qc->error_reason = "unsupported protocol in ALPN extension";
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 7999
diff changeset
463
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 7999
diff changeset
464 ngx_log_error(NGX_LOG_INFO, c->log, 0,
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 7999
diff changeset
465 "quic unsupported protocol in ALPN extension");
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 7999
diff changeset
466 return 0;
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 7999
diff changeset
467 }
7933
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 7932
diff changeset
468 }
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 7932
diff changeset
469 #endif
7726
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7725
diff changeset
470
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7725
diff changeset
471 SSL_get_peer_quic_transport_params(ssl_conn, &client_params,
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7725
diff changeset
472 &client_params_len);
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7725
diff changeset
473
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7725
diff changeset
474 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
475 "quic SSL_get_peer_quic_transport_params():"
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
476 " params_len %ui", client_params_len);
7726
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7725
diff changeset
477
7930
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
478 if (client_params_len == 0) {
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
479 /* quic-tls 8.2 */
7942
97adb87f149b Get rid of hardcoded numbers used for quic handshake errors.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7941
diff changeset
480 qc->error = NGX_QUIC_ERR_CRYPTO(SSL_AD_MISSING_EXTENSION);
7930
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
481 qc->error_reason = "missing transport parameters";
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
482
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
483 ngx_log_error(NGX_LOG_INFO, c->log, 0,
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
484 "missing transport parameters");
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
485 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
486 }
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
487
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
488 p = (u_char *) client_params;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
489 end = p + client_params_len;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
490
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
491 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: 7929
diff changeset
492 != NGX_OK)
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
493 {
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
494 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
495 qc->error_reason = "failed to process transport parameters";
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
496
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
497 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
498 }
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
499
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
500 if (qc->ctp.max_idle_timeout > 0
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
501 && qc->ctp.max_idle_timeout < qc->tp.max_idle_timeout)
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
502 {
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
503 qc->tp.max_idle_timeout = qc->ctp.max_idle_timeout;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
504 }
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
505
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
506 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: 7929
diff changeset
507 || 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: 7929
diff changeset
508 {
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
509 qc->error = NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
510 qc->error_reason = "invalid maximum packet size";
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
511
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
512 ngx_log_error(NGX_LOG_INFO, c->log, 0,
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
513 "quic maximum packet size is invalid");
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
514 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
515 }
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
516
7931
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7930
diff changeset
517 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: 7930
diff changeset
518 qc->ctp.max_udp_payload_size = ngx_quic_max_udp_payload(c);
7930
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
519 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
520 "quic client maximum packet size truncated");
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
521 }
7927
391d06a51bc0 Limited max udp payload size for outgoing packets.
Vladimir Homutov <vl@nginx.com>
parents: 7926
diff changeset
522
7912
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7910
diff changeset
523 #if (NGX_QUIC_DRAFT_VERSION >= 28)
7930
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
524 if (qc->scid.len != qc->ctp.initial_scid.len
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
525 || ngx_memcmp(qc->scid.data, qc->ctp.initial_scid.data,
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
526 qc->scid.len) != 0)
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
527 {
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
528 ngx_log_error(NGX_LOG_INFO, c->log, 0,
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
529 "quic client initial_source_connection_id "
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
530 "mismatch");
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
531 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
532 }
7912
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7910
diff changeset
533 #endif
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7910
diff changeset
534
8013
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
535 qc->streams.server_max_streams_bidi = qc->ctp.initial_max_streams_bidi;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
536 qc->streams.server_max_streams_uni = qc->ctp.initial_max_streams_uni;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
537
7930
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7929
diff changeset
538 qc->client_tp_done = 1;
7726
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7725
diff changeset
539 }
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7725
diff changeset
540
7822
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
541 /*
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
542 * 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: 7821
diff changeset
543 * 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: 7821
diff changeset
544 */
7910
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7908
diff changeset
545 limit = qc->ctp.max_udp_payload_size - NGX_QUIC_MAX_LONG_HEADER - 17
7822
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
546 - EVP_GCM_TLS_TAG_LEN;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
547
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
548 fs = &qc->crypto[level];
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
549
7822
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
550 p = (u_char *) data;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
551 end = (u_char *) data + len;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
552
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
553 while (p < end) {
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
554
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
555 fsize = ngx_min(limit, (size_t) (end - p));
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
556
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
557 frame = ngx_quic_alloc_frame(c, fsize);
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
558 if (frame == NULL) {
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
559 return 0;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
560 }
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
561
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
562 ngx_memcpy(frame->data, p, fsize);
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
563
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
564 frame->level = level;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
565 frame->type = NGX_QUIC_FT_CRYPTO;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
566 frame->u.crypto.offset = fs->sent;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
567 frame->u.crypto.length = fsize;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
568 frame->u.crypto.data = frame->data;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
569
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
570 fs->sent += fsize;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
571 p += fsize;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
572
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
573 ngx_sprintf(frame->info, "crypto, generated by SSL len=%ui level=%d",
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
574 fsize, level);
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
575
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
576 ngx_quic_queue_frame(qc, frame);
7652
0a2683df5f11 Implemented improved version of quic_output().
Vladimir Homutov <vl@nginx.com>
parents: 7651
diff changeset
577 }
7650
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 7649
diff changeset
578
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
579 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
580 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
581
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
582
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
583 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
584 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: 7646
diff changeset
585 {
7837
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 7836
diff changeset
586 #if (NGX_DEBUG)
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
587 ngx_connection_t *c;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
588
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
589 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: 7646
diff changeset
590
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
591 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
592 "quic ngx_quic_flush_flight()");
7837
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 7836
diff changeset
593 #endif
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
594 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
595 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
596
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
597
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
598 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
599 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: 7646
diff changeset
600 uint8_t alert)
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
601 {
7953
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
602 ngx_connection_t *c;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
603 ngx_quic_connection_t *qc;
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
604
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
605 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: 7646
diff changeset
606
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
607 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
608 "quic ngx_quic_send_alert(), lvl=%d, alert=%d",
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
609 (int) level, (int) alert);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
610
7953
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
611 qc = c->quic;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
612 if (qc == NULL) {
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
613 return 1;
7701
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7700
diff changeset
614 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7700
diff changeset
615
7953
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
616 qc->error_level = level;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
617 qc->error = NGX_QUIC_ERR_CRYPTO(alert);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
618 qc->error_reason = "TLS alert";
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
619 qc->error_app = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
620 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
621
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
622 if (ngx_quic_send_cc(c) != NGX_OK) {
7701
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7700
diff changeset
623 return 0;
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7700
diff changeset
624 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7700
diff changeset
625
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
626 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
627 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
628
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
629
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
630 void
8001
2da9c4fddd44 QUIC: eliminated connection handler argument in ngx_quic_run().
Roman Arutyunyan <arut@nginx.com>
parents: 8000
diff changeset
631 ngx_quic_run(ngx_connection_t *c, ngx_ssl_t *ssl, ngx_quic_conf_t *conf)
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
632 {
8074
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
633 ngx_int_t rc;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
634 ngx_buf_t *b;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
635 ngx_quic_header_t pkt;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
636
7729
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7726
diff changeset
637 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic run");
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
638
7729
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7726
diff changeset
639 c->log->action = "QUIC initialization";
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
640
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
641 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
642
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
643 b = c->buffer;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
644
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
645 pkt.log = c->log;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
646 pkt.raw = b;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
647 pkt.data = b->start;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
648 pkt.len = b->last - b->start;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
649
8074
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
650 rc = ngx_quic_new_connection(c, ssl, conf, &pkt);
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
651 if (rc != NGX_OK) {
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
652 ngx_quic_close_connection(c, rc == NGX_DECLINED ? NGX_DONE : NGX_ERROR);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
653 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
654 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
655
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
656 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: 7859
diff changeset
657 : c->quic->tp.max_idle_timeout);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
658
7729
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7726
diff changeset
659 c->read->handler = ngx_quic_input_handler;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
660
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
661 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
662 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
663
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
664
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
665 static ngx_int_t
7999
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 7998
diff changeset
666 ngx_quic_new_connection(ngx_connection_t *c, ngx_ssl_t *ssl,
8001
2da9c4fddd44 QUIC: eliminated connection handler argument in ngx_quic_run().
Roman Arutyunyan <arut@nginx.com>
parents: 8000
diff changeset
667 ngx_quic_conf_t *conf, ngx_quic_header_t *pkt)
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
668 {
7861
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
669 ngx_int_t rc;
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
670 ngx_uint_t i;
7731
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 7729
diff changeset
671 ngx_quic_tp_t *ctp;
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
672 ngx_quic_secrets_t *keys;
7816
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7815
diff changeset
673 ngx_quic_send_ctx_t *ctx;
8076
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
674 ngx_quic_client_id_t *cid;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
675 ngx_quic_connection_t *qc;
7910
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7908
diff changeset
676 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
677
7822
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
678 if (ngx_buf_size(pkt->raw) < NGX_QUIC_MIN_INITIAL_SIZE) {
7838
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
679 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
680 "quic UDP datagram is too small for initial packet");
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
681 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
682 }
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
683
8071
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
684 if (ngx_quic_parse_long_header(pkt) != NGX_OK) {
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
685 return NGX_ERROR;
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
686 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
687
8060
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
688 if (pkt->version != NGX_QUIC_VERSION) {
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
689 return ngx_quic_negotiate_version(c, pkt);
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
690 }
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
691
7717
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 7713
diff changeset
692 if (!ngx_quic_pkt_in(pkt->flags)) {
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
693 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7996
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7995
diff changeset
694 "quic invalid initial packet: 0x%xd", pkt->flags);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
695 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
696 }
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
697
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
698 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
699 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
700 }
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
701
7864
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 7863
diff changeset
702 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: 7863
diff changeset
703 /* 7.2. Negotiating Connection IDs */
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 7863
diff changeset
704 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: 7863
diff changeset
705 "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: 7863
diff changeset
706 pkt->dcid.len);
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 7863
diff changeset
707 return NGX_ERROR;
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 7863
diff changeset
708 }
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 7863
diff changeset
709
7741
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7740
diff changeset
710 c->log->action = "creating new quic connection";
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7740
diff changeset
711
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
712 qc = ngx_pcalloc(c->pool, sizeof(ngx_quic_connection_t));
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
713 if (qc == NULL) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
714 return NGX_ERROR;
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
715 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
716
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
717 ngx_rbtree_init(&qc->streams.tree, &qc->streams.sentinel,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
718 ngx_quic_rbtree_insert_stream);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
719
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
720 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
7808
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
721 ngx_queue_init(&qc->send_ctx[i].frames);
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
722 ngx_queue_init(&qc->send_ctx[i].sent);
7816
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7815
diff changeset
723 qc->send_ctx[i].largest_pn = (uint64_t) -1;
8050
6e1c88f82280 QUIC: changed ctx->largest_ack initial value to type maximum.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8027
diff changeset
724 qc->send_ctx[i].largest_ack = (uint64_t) -1;
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
725 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
726
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
727 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
728 ngx_queue_init(&qc->crypto[i].frames);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
729 }
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
730
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
731 ngx_queue_init(&qc->free_frames);
8076
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
732 ngx_queue_init(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
733 ngx_queue_init(&qc->free_client_ids);
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
734
7987
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
735 qc->avg_rtt = NGX_QUIC_INITIAL_RTT;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
736 qc->rttvar = NGX_QUIC_INITIAL_RTT / 2;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
737 qc->min_rtt = NGX_TIMER_INFINITE;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
738
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
739 /*
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
740 * qc->latest_rtt = 0
8076
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
741 * qc->nclient_ids = 0
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
742 * qc->max_retired_seqnum = 0
7987
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
743 */
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
744
7995
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
745 qc->received = pkt->raw->last - pkt->raw->start;
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
746
7990
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 7989
diff changeset
747 qc->pto.log = c->log;
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 7989
diff changeset
748 qc->pto.data = c;
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 7989
diff changeset
749 qc->pto.handler = ngx_quic_pto_handler;
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 7989
diff changeset
750 qc->pto.cancelable = 1;
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
751
7775
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 7774
diff changeset
752 qc->push.log = c->log;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 7774
diff changeset
753 qc->push.data = c;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 7774
diff changeset
754 qc->push.handler = ngx_quic_push_handler;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 7774
diff changeset
755 qc->push.cancelable = 1;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 7774
diff changeset
756
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
757 c->quic = qc;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
758 qc->ssl = ssl;
7999
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 7998
diff changeset
759 qc->conf = conf;
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 7998
diff changeset
760 qc->tp = conf->tp;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
761
7731
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 7729
diff changeset
762 ctp = &qc->ctp;
7931
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7930
diff changeset
763 ctp->max_udp_payload_size = ngx_quic_max_udp_payload(c);
7731
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 7729
diff changeset
764 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: 7729
diff changeset
765 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: 7729
diff changeset
766
7842
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
767 qc->streams.recv_max_data = qc->tp.initial_max_data;
7815
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
768
8014
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
769 qc->streams.client_max_streams_uni = qc->tp.initial_max_streams_uni;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
770 qc->streams.client_max_streams_bidi = qc->tp.initial_max_streams_bidi;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
771
7910
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7908
diff changeset
772 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: 7908
diff changeset
773 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: 7908
diff changeset
774 14720));
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
775 qc->congestion.ssthresh = NGX_MAX_SIZE_T_VALUE;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
776 qc->congestion.recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
777
7859
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7858
diff changeset
778 if (ngx_quic_new_dcid(c, &pkt->dcid) != NGX_OK) {
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
779 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
780 }
7845
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7844
diff changeset
781
7916
c206233d9c29 Fixed transport parameters on a new connection with a valid token.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7912
diff changeset
782 #if (NGX_QUIC_DRAFT_VERSION >= 28)
7912
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7910
diff changeset
783 qc->tp.original_dcid = c->quic->odcid;
7916
c206233d9c29 Fixed transport parameters on a new connection with a valid token.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7912
diff changeset
784 #endif
7912
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7910
diff changeset
785 qc->tp.initial_scid = c->quic->dcid;
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7910
diff changeset
786
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
787 qc->scid.len = pkt->scid.len;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
788 qc->scid.data = ngx_pnalloc(c->pool, qc->scid.len);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
789 if (qc->scid.data == NULL) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
790 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
791 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
792 ngx_memcpy(qc->scid.data, pkt->scid.data, qc->scid.len);
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
793
8076
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
794 cid = ngx_quic_alloc_connection_id(c);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
795 if (cid == NULL) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
796 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
797 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
798
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
799 cid->seqnum = 0;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
800 cid->len = pkt->scid.len;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
801 ngx_memcpy(cid->id, pkt->scid.data, pkt->scid.len);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
802
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
803 ngx_queue_insert_tail(&qc->client_ids, &cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
804 qc->nclient_ids++;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
805 qc->curr_seqnum = 0;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
806
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
807 keys = &c->quic->keys[ssl_encryption_initial];
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
808
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
809 if (ngx_quic_set_initial_secret(c->pool, &keys->client, &keys->server,
7858
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7857
diff changeset
810 &qc->odcid)
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
811 != NGX_OK)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
812 {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
813 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
814 }
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
815
7874
1245e274b9ba Avoided excessive definitions for connection state.
Vladimir Homutov <vl@nginx.com>
parents: 7871
diff changeset
816 qc->initialized = 1;
7862
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 7861
diff changeset
817
7938
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7937
diff changeset
818 if (ngx_terminate || ngx_exiting) {
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7937
diff changeset
819 qc->error = NGX_QUIC_ERR_CONNECTION_REFUSED;
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7937
diff changeset
820 return NGX_ERROR;
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7937
diff changeset
821 }
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7937
diff changeset
822
7861
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
823 if (pkt->token.len) {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
824 rc = ngx_quic_validate_token(c, pkt);
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
825
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
826 if (rc == NGX_ERROR) {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
827 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: 7860
diff changeset
828 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
829 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
830
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
831 if (rc == NGX_DECLINED) {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
832 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: 7860
diff changeset
833 return ngx_quic_retry(c);
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
834 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
835
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
836 /* NGX_OK */
7995
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
837 qc->validated = 1;
7861
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
838
7999
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 7998
diff changeset
839 } else if (conf->retry) {
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
840 return ngx_quic_retry(c);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
841 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
842
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
843 pkt->secret = &keys->client;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
844 pkt->level = ssl_encryption_initial;
7754
ebd5c71b9f02 Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents: 7752
diff changeset
845 pkt->plaintext = buf;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
846
7816
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7815
diff changeset
847 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7815
diff changeset
848
8074
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
849 rc = ngx_quic_decrypt(pkt, NULL, &ctx->largest_pn);
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
850 if (rc != NGX_OK) {
7863
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 7862
diff changeset
851 qc->error = pkt->error;
7876
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7875
diff changeset
852 qc->error_reason = "failed to decrypt packet";
8074
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
853 return rc;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
854 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
855
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
856 if (ngx_quic_init_connection(c) != NGX_OK) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
857 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
858 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
859
7770
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
860 if (ngx_quic_payload_handler(c, pkt) != NGX_OK) {
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
861 return NGX_ERROR;
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
862 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
863
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
864 /* pos is at header end, adjust by actual packet length */
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
865 pkt->raw->pos += pkt->len;
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
866
7854
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 7848
diff changeset
867 (void) ngx_quic_skip_zero_padding(pkt->raw);
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 7848
diff changeset
868
8083
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
869 rc = ngx_quic_input(c, pkt->raw);
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
870
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
871 if (rc == NGX_ERROR) {
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
872 return NGX_ERROR;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
873 }
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
874
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
875 /* rc == NGX_OK || rc == NGX_DECLINED */
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
876
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
877 return NGX_OK;
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
878 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
879
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
880
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
881 static ngx_int_t
8060
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
882 ngx_quic_negotiate_version(ngx_connection_t *c, ngx_quic_header_t *inpkt)
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
883 {
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
884 size_t len;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
885 ngx_quic_header_t pkt;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
886
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
887 /* buffer size is calculated assuming a single supported version */
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
888 static u_char buf[NGX_QUIC_MAX_LONG_HEADER + sizeof(uint32_t)];
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
889
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
890 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
891 "sending version negotiation packet");
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
892
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
893 pkt.log = c->log;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
894 pkt.flags = NGX_QUIC_PKT_LONG | NGX_QUIC_PKT_FIXED_BIT;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
895 pkt.dcid = inpkt->scid;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
896 pkt.scid = inpkt->dcid;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
897
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
898 len = ngx_quic_create_version_negotiation(&pkt, buf);
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
899
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
900 #ifdef NGX_QUIC_DEBUG_PACKETS
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
901 ngx_quic_hexdump(c->log, "quic vnego packet to send", buf, len);
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
902 #endif
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
903
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
904 (void) c->send(c, buf, len);
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
905
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
906 return NGX_ERROR;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
907 }
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
908
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
909
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
910 static ngx_int_t
7859
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7858
diff changeset
911 ngx_quic_new_dcid(ngx_connection_t *c, ngx_str_t *odcid)
7845
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7844
diff changeset
912 {
7859
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7858
diff changeset
913 uint8_t len;
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7858
diff changeset
914 ngx_quic_connection_t *qc;
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7858
diff changeset
915
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7858
diff changeset
916 qc = c->quic;
7845
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7844
diff changeset
917
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7844
diff changeset
918 if (RAND_bytes(&len, sizeof(len)) != 1) {
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7844
diff changeset
919 return NGX_ERROR;
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7844
diff changeset
920 }
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7844
diff changeset
921
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7844
diff changeset
922 len = len % 10 + 10;
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7844
diff changeset
923
7859
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7858
diff changeset
924 qc->dcid.len = len;
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7858
diff changeset
925 qc->dcid.data = ngx_pnalloc(c->pool, len);
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7858
diff changeset
926 if (qc->dcid.data == NULL) {
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7858
diff changeset
927 return NGX_ERROR;
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7858
diff changeset
928 }
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7858
diff changeset
929
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7858
diff changeset
930 if (RAND_bytes(qc->dcid.data, len) != 1) {
7845
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7844
diff changeset
931 return NGX_ERROR;
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7844
diff changeset
932 }
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7844
diff changeset
933
7859
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7858
diff changeset
934 #ifdef NGX_QUIC_DEBUG_PACKETS
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7858
diff changeset
935 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: 7858
diff changeset
936 #endif
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7858
diff changeset
937
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7858
diff changeset
938 qc->odcid.len = odcid->len;
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7858
diff changeset
939 qc->odcid.data = ngx_pstrdup(c->pool, odcid);
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7858
diff changeset
940 if (qc->odcid.data == NULL) {
7845
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7844
diff changeset
941 return NGX_ERROR;
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7844
diff changeset
942 }
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7844
diff changeset
943
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7844
diff changeset
944 return NGX_OK;
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7844
diff changeset
945 }
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7844
diff changeset
946
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7844
diff changeset
947
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7844
diff changeset
948 static ngx_int_t
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
949 ngx_quic_retry(ngx_connection_t *c)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
950 {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
951 ssize_t len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
952 ngx_str_t res, token;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
953 ngx_quic_header_t pkt;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
954 u_char buf[NGX_QUIC_RETRY_BUFFER_SIZE];
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
955
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
956 if (ngx_quic_new_token(c, &token) != NGX_OK) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
957 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
958 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
959
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
960 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
961 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: 7859
diff changeset
962 pkt.log = c->log;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
963 pkt.odcid = c->quic->odcid;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
964 pkt.dcid = c->quic->scid;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
965 pkt.scid = c->quic->dcid;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
966 pkt.token = token;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
967
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
968 res.data = buf;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
969
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
970 if (ngx_quic_encrypt(&pkt, NULL, &res) != NGX_OK) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
971 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
972 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
973
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
974 #ifdef NGX_QUIC_DEBUG_PACKETS
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
975 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: 7859
diff changeset
976 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
977
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
978 len = c->send(c, res.data, res.len);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
979 if (len == NGX_ERROR || (size_t) len != res.len) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
980 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
981 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
982
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
983 c->quic->token = token;
7916
c206233d9c29 Fixed transport parameters on a new connection with a valid token.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7912
diff changeset
984 #if (NGX_QUIC_DRAFT_VERSION < 28)
c206233d9c29 Fixed transport parameters on a new connection with a valid token.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7912
diff changeset
985 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: 7912
diff changeset
986 #endif
7912
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7910
diff changeset
987 c->quic->tp.retry_scid = c->quic->dcid;
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
988 c->quic->in_retry = 1;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
989
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
990 return NGX_OK;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
991 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
992
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
993
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
994 static ngx_int_t
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
995 ngx_quic_new_token(ngx_connection_t *c, ngx_str_t *token)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
996 {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
997 int len, iv_len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
998 u_char *data, *p, *key, *iv;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
999 ngx_msec_t now;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1000 EVP_CIPHER_CTX *ctx;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1001 const EVP_CIPHER *cipher;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1002 struct sockaddr_in *sin;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1003 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1004 struct sockaddr_in6 *sin6;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1005 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1006 u_char in[NGX_QUIC_MAX_TOKEN_SIZE];
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1007
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1008 switch (c->sockaddr->sa_family) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1009
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1010 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1011 case AF_INET6:
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1012 sin6 = (struct sockaddr_in6 *) c->sockaddr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1013
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1014 len = sizeof(struct in6_addr);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1015 data = sin6->sin6_addr.s6_addr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1016
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1017 break;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1018 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1019
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1020 #if (NGX_HAVE_UNIX_DOMAIN)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1021 case AF_UNIX:
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1022
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1023 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: 7859
diff changeset
1024 data = c->addr_text.data;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1025
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1026 break;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1027 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1028
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1029 default: /* AF_INET */
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1030 sin = (struct sockaddr_in *) c->sockaddr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1031
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1032 len = sizeof(in_addr_t);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1033 data = (u_char *) &sin->sin_addr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1034
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1035 break;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1036 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1037
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1038 p = ngx_cpymem(in, data, len);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1039
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1040 now = ngx_current_msec;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1041 len += sizeof(now);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1042 ngx_memcpy(p, &now, sizeof(now));
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1043
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1044 cipher = EVP_aes_256_cbc();
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1045 iv_len = EVP_CIPHER_iv_length(cipher);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1046
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1047 token->len = iv_len + len + EVP_CIPHER_block_size(cipher);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1048 token->data = ngx_pnalloc(c->pool, token->len);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1049 if (token->data == NULL) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1050 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1051 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1052
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1053 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1054 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1055 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1056 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1057
7999
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 7998
diff changeset
1058 key = c->quic->conf->token_key;
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1059 iv = token->data;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1060
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1061 if (RAND_bytes(iv, iv_len) <= 0
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1062 || !EVP_EncryptInit_ex(ctx, cipher, NULL, key, iv))
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1063 {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1064 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1065 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1066 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1067
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1068 token->len = iv_len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1069
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1070 if (EVP_EncryptUpdate(ctx, token->data + token->len, &len, in, len) != 1) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1071 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1072 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1073 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1074
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1075 token->len += len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1076
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1077 if (EVP_EncryptFinal_ex(ctx, token->data + token->len, &len) <= 0) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1078 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1079 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1080 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1081
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1082 token->len += len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1083
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1084 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1085
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1086 #ifdef NGX_QUIC_DEBUG_PACKETS
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1087 ngx_quic_hexdump(c->log, "quic new token", token->data, token->len);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1088 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1089
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1090 return NGX_OK;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1091 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1092
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1093
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1094 static ngx_int_t
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1095 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: 7859
diff changeset
1096 {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1097 int len, tlen, iv_len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1098 u_char *key, *iv, *p, *data;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1099 ngx_msec_t msec;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1100 EVP_CIPHER_CTX *ctx;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1101 const EVP_CIPHER *cipher;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1102 struct sockaddr_in *sin;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1103 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1104 struct sockaddr_in6 *sin6;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1105 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1106 ngx_quic_connection_t *qc;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1107 u_char tdec[NGX_QUIC_MAX_TOKEN_SIZE];
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1108
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1109 qc = c->quic;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1110
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1111 /* Retry token */
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1112
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1113 if (qc->token.len) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1114 if (pkt->token.len != qc->token.len) {
7876
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7875
diff changeset
1115 goto bad_token;
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1116 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1117
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1118 if (ngx_memcmp(pkt->token.data, qc->token.data, pkt->token.len) != 0) {
7876
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7875
diff changeset
1119 goto bad_token;
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1120 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1121
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1122 return NGX_OK;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1123 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1124
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1125 /* NEW_TOKEN in a previous connection */
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1126
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1127 cipher = EVP_aes_256_cbc();
7999
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 7998
diff changeset
1128 key = c->quic->conf->token_key;
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1129 iv = pkt->token.data;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1130 iv_len = EVP_CIPHER_iv_length(cipher);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1131
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1132 /* sanity checks */
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1133
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1134 if (pkt->token.len < (size_t) iv_len + EVP_CIPHER_block_size(cipher)) {
7876
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7875
diff changeset
1135 goto bad_token;
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1136 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1137
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1138 if (pkt->token.len > (size_t) iv_len + NGX_QUIC_MAX_TOKEN_SIZE) {
7876
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7875
diff changeset
1139 goto bad_token;
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1140 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1141
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1142 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1143 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1144 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1145 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1146
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1147 if (!EVP_DecryptInit_ex(ctx, cipher, NULL, key, iv)) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1148 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1149 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1150 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1151
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1152 p = pkt->token.data + iv_len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1153 len = pkt->token.len - iv_len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1154
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1155 if (EVP_DecryptUpdate(ctx, tdec, &len, p, len) != 1) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1156 EVP_CIPHER_CTX_free(ctx);
7876
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7875
diff changeset
1157 goto bad_token;
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1158 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1159
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1160 if (EVP_DecryptFinal_ex(ctx, tdec + len, &tlen) <= 0) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1161 EVP_CIPHER_CTX_free(ctx);
7876
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7875
diff changeset
1162 goto bad_token;
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1163 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1164
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1165 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1166
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1167 switch (c->sockaddr->sa_family) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1168
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1169 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1170 case AF_INET6:
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1171 sin6 = (struct sockaddr_in6 *) c->sockaddr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1172
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1173 len = sizeof(struct in6_addr);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1174 data = sin6->sin6_addr.s6_addr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1175
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1176 break;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1177 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1178
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1179 #if (NGX_HAVE_UNIX_DOMAIN)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1180 case AF_UNIX:
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1181
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1182 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: 7859
diff changeset
1183 data = c->addr_text.data;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1184
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1185 break;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1186 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1187
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1188 default: /* AF_INET */
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1189 sin = (struct sockaddr_in *) c->sockaddr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1190
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1191 len = sizeof(in_addr_t);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1192 data = (u_char *) &sin->sin_addr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1193
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1194 break;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1195 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1196
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1197 if (ngx_memcmp(tdec, data, len) != 0) {
7876
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7875
diff changeset
1198 goto bad_token;
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1199 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1200
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1201 ngx_memcpy(&msec, tdec + len, sizeof(msec));
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1202
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1203 if (ngx_current_msec - msec > NGX_QUIC_RETRY_LIFETIME) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1204 return NGX_DECLINED;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1205 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1206
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1207 return NGX_OK;
7876
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7875
diff changeset
1208
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7875
diff changeset
1209 bad_token:
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7875
diff changeset
1210
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7875
diff changeset
1211 qc->error = NGX_QUIC_ERR_INVALID_TOKEN;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7875
diff changeset
1212 qc->error_reason = "invalid_token";
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7875
diff changeset
1213
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7875
diff changeset
1214 return NGX_ERROR;
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1215 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1216
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1217
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1218 static ngx_int_t
7687
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 7686
diff changeset
1219 ngx_quic_init_connection(ngx_connection_t *c)
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1220 {
7713
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7712
diff changeset
1221 u_char *p;
7917
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7916
diff changeset
1222 size_t clen;
7713
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7712
diff changeset
1223 ssize_t len;
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1224 ngx_ssl_conn_t *ssl_conn;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1225 ngx_quic_connection_t *qc;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1226
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1227 qc = c->quic;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1228
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1229 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: 7664
diff changeset
1230 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1231 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1232
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1233 ssl_conn = c->ssl->connection;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1234
7698
253cf267f95a Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents: 7697
diff changeset
1235 if (SSL_set_quic_method(ssl_conn, &quic_method) == 0) {
253cf267f95a Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents: 7697
diff changeset
1236 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7838
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
1237 "quic SSL_set_quic_method() failed");
7698
253cf267f95a Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents: 7697
diff changeset
1238 return NGX_ERROR;
253cf267f95a Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents: 7697
diff changeset
1239 }
253cf267f95a Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents: 7697
diff changeset
1240
7770
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1241 #ifdef SSL_READ_EARLY_DATA_SUCCESS
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1242 if (SSL_CTX_get_max_early_data(qc->ssl->ctx)) {
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1243 SSL_set_quic_early_data_enabled(ssl_conn, 1);
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1244 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1245 #endif
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1246
7917
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7916
diff changeset
1247 len = ngx_quic_create_transport_params(NULL, NULL, &qc->tp, &clen);
7713
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7712
diff changeset
1248 /* always succeeds */
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7712
diff changeset
1249
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7712
diff changeset
1250 p = ngx_pnalloc(c->pool, len);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7712
diff changeset
1251 if (p == NULL) {
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7712
diff changeset
1252 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7712
diff changeset
1253 }
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7712
diff changeset
1254
7917
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7916
diff changeset
1255 len = ngx_quic_create_transport_params(p, p + len, &qc->tp, NULL);
7713
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7712
diff changeset
1256 if (len < 0) {
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7712
diff changeset
1257 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7712
diff changeset
1258 }
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7712
diff changeset
1259
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
1260 #ifdef NGX_QUIC_DEBUG_PACKETS
7837
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 7836
diff changeset
1261 ngx_quic_hexdump(c->log, "quic transport parameters", p, len);
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
1262 #endif
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
1263
7713
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 7712
diff changeset
1264 if (SSL_set_quic_transport_params(ssl_conn, p, len) == 0) {
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1265 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7838
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
1266 "quic SSL_set_quic_transport_params() failed");
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1267 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1268 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1269
7917
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7916
diff changeset
1270 #if NGX_OPENSSL_QUIC_ZRTT_CTX
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7916
diff changeset
1271 if (SSL_set_quic_early_data_context(ssl_conn, p, clen) == 0) {
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7916
diff changeset
1272 ngx_log_error(NGX_LOG_INFO, c->log, 0,
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7916
diff changeset
1273 "quic SSL_set_quic_early_data_context() failed");
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7916
diff changeset
1274 return NGX_ERROR;
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7916
diff changeset
1275 }
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7916
diff changeset
1276 #endif
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7916
diff changeset
1277
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1278 return NGX_OK;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1279 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1280
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1281
7931
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7930
diff changeset
1282 static ngx_inline size_t
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7930
diff changeset
1283 ngx_quic_max_udp_payload(ngx_connection_t *c)
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7930
diff changeset
1284 {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7930
diff changeset
1285 /* TODO: path MTU discovery */
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7930
diff changeset
1286
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7930
diff changeset
1287 #if (NGX_HAVE_INET6)
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7930
diff changeset
1288 if (c->sockaddr->sa_family == AF_INET6) {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7930
diff changeset
1289 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT6;
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7930
diff changeset
1290 }
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7930
diff changeset
1291 #endif
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7930
diff changeset
1292
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7930
diff changeset
1293 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT;
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7930
diff changeset
1294 }
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7930
diff changeset
1295
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7930
diff changeset
1296
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1297 static void
7729
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7726
diff changeset
1298 ngx_quic_input_handler(ngx_event_t *rev)
7677
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 7675
diff changeset
1299 {
7737
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 7736
diff changeset
1300 ssize_t n;
8083
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
1301 ngx_int_t rc;
7737
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 7736
diff changeset
1302 ngx_buf_t b;
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 7736
diff changeset
1303 ngx_connection_t *c;
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 7736
diff changeset
1304 ngx_quic_connection_t *qc;
7910
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7908
diff changeset
1305 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
7677
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 7675
diff changeset
1306
7871
df18ae7161b8 Assorted fixes.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7870
diff changeset
1307 ngx_memzero(&b, sizeof(ngx_buf_t));
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1308 b.start = buf;
7731
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 7729
diff changeset
1309 b.end = buf + sizeof(buf);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1310 b.pos = b.last = b.start;
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1311 b.memory = 1;
7677
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 7675
diff changeset
1312
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1313 c = rev->data;
7747
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 7746
diff changeset
1314 qc = c->quic;
7677
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 7675
diff changeset
1315
7729
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7726
diff changeset
1316 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, rev->log, 0, "quic input handler");
7678
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents: 7677
diff changeset
1317
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1318 if (rev->timedout) {
7838
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
1319 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
1320 "quic client timed out");
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1321 ngx_quic_close_connection(c, NGX_DONE);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1322 return;
7678
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents: 7677
diff changeset
1323 }
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents: 7677
diff changeset
1324
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1325 if (c->close) {
7937
b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7934
diff changeset
1326 qc->error_reason = "graceful shutdown";
b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7934
diff changeset
1327 ngx_quic_close_connection(c, NGX_OK);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1328 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1329 }
7686
7ada2feeac18 Added processing of CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7684
diff changeset
1330
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1331 n = c->recv(c, b.start, b.end - b.start);
7681
38c0898b6df7 HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7680
diff changeset
1332
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1333 if (n == NGX_AGAIN) {
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1334 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1335 ngx_quic_close_connection(c, NGX_OK);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1336 }
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1337 return;
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1338 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1339
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1340 if (n == NGX_ERROR) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1341 c->read->eof = 1;
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1342 ngx_quic_close_connection(c, NGX_ERROR);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1343 return;
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1344 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1345
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1346 b.last += n;
7995
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
1347 qc->received += n;
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1348
8083
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
1349 rc = ngx_quic_input(c, &b);
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
1350
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
1351 if (rc == NGX_ERROR) {
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1352 ngx_quic_close_connection(c, NGX_ERROR);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1353 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1354 }
7737
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 7736
diff changeset
1355
8083
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
1356 if (rc == NGX_DECLINED) {
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
1357 return;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
1358 }
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
1359
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
1360 /* rc == NGX_OK */
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
1361
7737
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 7736
diff changeset
1362 qc->send_timer_set = 0;
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 7736
diff changeset
1363 ngx_add_timer(rev, qc->tp.max_idle_timeout);
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1364 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1365
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1366
7674
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 7673
diff changeset
1367 static void
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1368 ngx_quic_close_connection(ngx_connection_t *c, ngx_int_t rc)
7674
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 7673
diff changeset
1369 {
7831
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1370 ngx_pool_t *pool;
7747
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 7746
diff changeset
1371
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1372 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
1373 "quic ngx_quic_close_connection, rc: %i", rc);
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1374
7874
1245e274b9ba Avoided excessive definitions for connection state.
Vladimir Homutov <vl@nginx.com>
parents: 7871
diff changeset
1375 if (!c->quic || !c->quic->initialized) {
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1376 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
1377 "quic close connection early error");
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1378
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1379 } else if (ngx_quic_close_quic(c, rc) == NGX_AGAIN) {
7831
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1380 return;
7747
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 7746
diff changeset
1381 }
7674
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 7673
diff changeset
1382
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1383 if (c->ssl) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1384 (void) ngx_ssl_shutdown(c);
7674
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 7673
diff changeset
1385 }
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 7673
diff changeset
1386
7831
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1387 if (c->read->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1388 ngx_del_timer(c->read);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1389 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1390
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1391 #if (NGX_STAT_STUB)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1392 (void) ngx_atomic_fetch_add(ngx_stat_active, -1);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1393 #endif
7674
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 7673
diff changeset
1394
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1395 c->destroyed = 1;
7674
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 7673
diff changeset
1396
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1397 pool = c->pool;
7674
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 7673
diff changeset
1398
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1399 ngx_close_connection(c);
7674
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 7673
diff changeset
1400
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1401 ngx_destroy_pool(pool);
7674
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 7673
diff changeset
1402 }
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 7673
diff changeset
1403
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 7673
diff changeset
1404
7659
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 7658
diff changeset
1405 static ngx_int_t
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1406 ngx_quic_close_quic(ngx_connection_t *c, ngx_int_t rc)
7831
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1407 {
7953
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1408 ngx_uint_t i;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1409 ngx_quic_send_ctx_t *ctx;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1410 ngx_quic_connection_t *qc;
7831
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1411
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1412 qc = c->quic;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1413
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1414 if (!qc->closing) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1415
7875
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 7874
diff changeset
1416 /* drop packets from retransmit queues, no ack is expected */
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 7874
diff changeset
1417 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 7874
diff changeset
1418 ctx = ngx_quic_get_send_ctx(qc, i);
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 7874
diff changeset
1419 ngx_quic_free_frames(c, &ctx->sent);
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 7874
diff changeset
1420 }
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 7874
diff changeset
1421
7877
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1422 if (rc == NGX_DONE) {
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1423
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1424 /*
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1425 * 10.2. Idle Timeout
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1426 *
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1427 * 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: 7831
diff changeset
1428 * 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: 7831
diff changeset
1429 */
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1430
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1431 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1432 "quic closing %s connection",
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1433 qc->draining ? "drained" : "idle");
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1434
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1435 } else {
7877
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1436
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1437 /*
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1438 * 10.3. Immediate Close
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1439 *
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1440 * An endpoint sends a CONNECTION_CLOSE frame (Section 19.19)
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1441 * to terminate the connection immediately.
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1442 */
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1443
7993
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
1444 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: 7992
diff changeset
1445 : ssl_encryption_initial;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
1446
7877
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1447 if (rc == NGX_OK) {
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1448 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1449 "quic immediate close, drain = %d",
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1450 qc->draining);
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1451
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1452 qc->close.log = c->log;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1453 qc->close.data = c;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1454 qc->close.handler = ngx_quic_close_timer_handler;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1455 qc->close.cancelable = 1;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1456
7993
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
1457 ctx = ngx_quic_get_send_ctx(qc, qc->error_level);
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
1458
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
1459 ngx_add_timer(&qc->close, 3 * ngx_quic_pto(c, ctx));
7877
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1460
7953
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1461 qc->error = NGX_QUIC_ERR_NO_ERROR;
7877
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1462
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1463 } else {
7953
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1464 if (qc->error == 0 && !qc->error_app) {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1465 qc->error = NGX_QUIC_ERR_INTERNAL_ERROR;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1466 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1467
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1468 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1469 "quic immediate close due to %serror: %ui %s",
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1470 qc->error_app ? "app " : "", qc->error,
7877
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1471 qc->error_reason ? qc->error_reason : "");
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1472 }
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1473
7953
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1474 (void) ngx_quic_send_cc(c);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1475
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1476 if (qc->error_level == ssl_encryption_handshake) {
7877
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1477 /* for clients that might not have handshake keys */
7953
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1478 qc->error_level = ssl_encryption_initial;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1479 (void) ngx_quic_send_cc(c);
7877
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7876
diff changeset
1480 }
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1481 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1482
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1483 qc->closing = 1;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1484 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1485
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1486 if (rc == NGX_ERROR && qc->close.timer_set) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1487 /* do not wait for timer in case of fatal error */
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1488 ngx_del_timer(&qc->close);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1489 }
7831
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1490
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1491 if (ngx_quic_close_streams(c, qc) == NGX_AGAIN) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1492 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1493 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1494
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1495 if (qc->close.timer_set) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1496 return NGX_AGAIN;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1497 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1498
7831
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1499 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1500 ngx_quic_free_frames(c, &qc->crypto[i].frames);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1501 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1502
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1503 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1504 ngx_quic_free_frames(c, &qc->send_ctx[i].frames);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1505 ngx_quic_free_frames(c, &qc->send_ctx[i].sent);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1506 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1507
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1508 if (qc->push.timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1509 ngx_del_timer(&qc->push);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1510 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1511
7990
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 7989
diff changeset
1512 if (qc->pto.timer_set) {
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 7989
diff changeset
1513 ngx_del_timer(&qc->pto);
7831
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1514 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1515
7929
ea4899591798 QUIC: Fixed connection cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7928
diff changeset
1516 if (qc->push.posted) {
ea4899591798 QUIC: Fixed connection cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7928
diff changeset
1517 ngx_delete_posted_event(&qc->push);
ea4899591798 QUIC: Fixed connection cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7928
diff changeset
1518 }
ea4899591798 QUIC: Fixed connection cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7928
diff changeset
1519
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1520 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1521 "quic part of connection is terminated");
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1522
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1523 /* may be tested from SSL callback during SSL shutdown */
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1524 c->quic = NULL;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1525
7831
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1526 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1527 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1528
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1529
7953
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1530 void
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1531 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: 7945
diff changeset
1532 const char *reason)
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1533 {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1534 ngx_quic_connection_t *qc;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1535
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1536 qc = c->quic;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1537 qc->error = err;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1538 qc->error_reason = reason;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1539 qc->error_app = 1;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1540 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1541
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1542 ngx_quic_close_connection(c, NGX_ERROR);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1543 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1544
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
1545
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1546 static void
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1547 ngx_quic_close_timer_handler(ngx_event_t *ev)
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1548 {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1549 ngx_connection_t *c;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1550
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
1551 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic close timer");
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1552
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1553 c = ev->data;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1554 ngx_quic_close_connection(c, NGX_DONE);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1555 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1556
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
1557
7831
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1558 static ngx_int_t
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1559 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: 7827
diff changeset
1560 {
8021
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8020
diff changeset
1561 ngx_event_t *rev, *wev;
7831
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1562 ngx_rbtree_t *tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1563 ngx_rbtree_node_t *node;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1564 ngx_quic_stream_t *qs;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1565
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1566 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1567 ngx_uint_t ns;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1568 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1569
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1570 tree = &qc->streams.tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1571
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1572 if (tree->root == tree->sentinel) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1573 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1574 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1575
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1576 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1577 ns = 0;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1578 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1579
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1580 for (node = ngx_rbtree_min(tree->root, tree->sentinel);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1581 node;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1582 node = ngx_rbtree_next(tree, node))
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1583 {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1584 qs = (ngx_quic_stream_t *) node;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1585
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1586 rev = qs->c->read;
8021
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8020
diff changeset
1587 rev->error = 1;
7831
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1588 rev->ready = 1;
8021
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8020
diff changeset
1589
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8020
diff changeset
1590 wev = qs->c->write;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8020
diff changeset
1591 wev->error = 1;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8020
diff changeset
1592 wev->ready = 1;
7831
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1593
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1594 ngx_post_event(rev, &ngx_posted_events);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1595
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1596 if (rev->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1597 ngx_del_timer(rev);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1598 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1599
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1600 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1601 ns++;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1602 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1603 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1604
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1605 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1606 "quic connection has %ui active streams", ns);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1607
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1608 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1609 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1610
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1611
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 7827
diff changeset
1612 static ngx_int_t
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1613 ngx_quic_input(ngx_connection_t *c, ngx_buf_t *b)
7659
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 7658
diff changeset
1614 {
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1615 u_char *p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1616 ngx_int_t rc;
8083
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
1617 ngx_uint_t good;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1618 ngx_quic_header_t pkt;
7659
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 7658
diff changeset
1619
8083
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
1620 good = 0;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
1621
7770
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1622 p = b->pos;
7674
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 7673
diff changeset
1623
7770
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1624 while (p < b->last) {
7729
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7726
diff changeset
1625 c->log->action = "processing quic packet";
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7726
diff changeset
1626
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1627 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1628 pkt.raw = b;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1629 pkt.data = p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1630 pkt.len = b->last - p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1631 pkt.log = c->log;
7717
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 7713
diff changeset
1632 pkt.flags = p[0];
7659
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 7658
diff changeset
1633
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1634 if (c->quic->in_retry) {
8078
d45961e062fa QUIC: refactored ngx_quic_retry_input().
Vladimir Homutov <vl@nginx.com>
parents: 8077
diff changeset
1635 rc = ngx_quic_retry_input(c, &pkt);
d45961e062fa QUIC: refactored ngx_quic_retry_input().
Vladimir Homutov <vl@nginx.com>
parents: 8077
diff changeset
1636
d45961e062fa QUIC: refactored ngx_quic_retry_input().
Vladimir Homutov <vl@nginx.com>
parents: 8077
diff changeset
1637 } else if (ngx_quic_long_pkt(pkt.flags)) {
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1638
7717
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 7713
diff changeset
1639 if (ngx_quic_pkt_in(pkt.flags)) {
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1640 rc = ngx_quic_initial_input(c, &pkt);
7672
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 7671
diff changeset
1641
7717
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 7713
diff changeset
1642 } else if (ngx_quic_pkt_hs(pkt.flags)) {
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1643 rc = ngx_quic_handshake_input(c, &pkt);
7659
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 7658
diff changeset
1644
7770
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1645 } else if (ngx_quic_pkt_zrtt(pkt.flags)) {
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1646 rc = ngx_quic_early_input(c, &pkt);
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1647
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1648 } else {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1649 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7838
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
1650 "quic unknown long packet type");
8073
eb5aa85294e9 QUIC: discard unrecognized long packes.
Vladimir Homutov <vl@nginx.com>
parents: 8071
diff changeset
1651 rc = NGX_DECLINED;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1652 }
7659
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 7658
diff changeset
1653
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1654 } else {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1655 rc = ngx_quic_app_input(c, &pkt);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1656 }
7659
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 7658
diff changeset
1657
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
1658 if (rc == NGX_ERROR) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
1659 return NGX_ERROR;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1660 }
7672
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 7671
diff changeset
1661
8083
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
1662 if (rc == NGX_OK) {
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
1663 good = 1;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
1664 }
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
1665
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
1666 /* NGX_OK || NGX_DECLINED */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
1667
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
1668 /*
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
1669 * we get NGX_DECLINED when there are no keys [yet] available
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
1670 * to decrypt packet.
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
1671 * Instead of queueing it, we ignore it and rely on the sender's
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
1672 * retransmission:
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
1673 *
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
1674 * 12.2. Coalescing Packets:
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
1675 *
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
1676 * For example, if decryption fails (because the keys are
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
1677 * not available or any other reason), the receiver MAY either
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
1678 * discard or buffer the packet for later processing and MUST
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
1679 * attempt to process the remaining packets.
8073
eb5aa85294e9 QUIC: discard unrecognized long packes.
Vladimir Homutov <vl@nginx.com>
parents: 8071
diff changeset
1680 *
eb5aa85294e9 QUIC: discard unrecognized long packes.
Vladimir Homutov <vl@nginx.com>
parents: 8071
diff changeset
1681 * We also skip packets that don't match connection state
eb5aa85294e9 QUIC: discard unrecognized long packes.
Vladimir Homutov <vl@nginx.com>
parents: 8071
diff changeset
1682 * or cannot be parsed properly.
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
1683 */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
1684
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
1685 /* b->pos is at header end, adjust by actual packet length */
7854
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 7848
diff changeset
1686 b->pos += pkt.len;
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 7848
diff changeset
1687 p = ngx_quic_skip_zero_padding(b);
7770
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1688 }
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
1689
8083
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8079
diff changeset
1690 return good ? NGX_OK : NGX_DECLINED;
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
1691 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
1692
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
1693
7854
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 7848
diff changeset
1694 /* firefox workaround: skip zero padding at the end of quic packet */
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 7848
diff changeset
1695 static ngx_inline u_char *
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 7848
diff changeset
1696 ngx_quic_skip_zero_padding(ngx_buf_t *b)
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 7848
diff changeset
1697 {
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 7848
diff changeset
1698 while (b->pos < b->last && *(b->pos) == 0) {
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 7848
diff changeset
1699 b->pos++;
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 7848
diff changeset
1700 }
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 7848
diff changeset
1701
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 7848
diff changeset
1702 return b->pos;
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 7848
diff changeset
1703 }
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 7848
diff changeset
1704
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 7848
diff changeset
1705
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
1706 static ngx_int_t
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1707 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: 7859
diff changeset
1708 {
8074
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1709 ngx_int_t rc;
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1710 ngx_quic_secrets_t *keys;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1711 ngx_quic_send_ctx_t *ctx;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1712 ngx_quic_connection_t *qc;
7910
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7908
diff changeset
1713 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1714
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1715 c->log->action = "retrying quic connection";
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1716
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1717 if (ngx_buf_size(pkt->raw) < NGX_QUIC_MIN_INITIAL_SIZE) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1718 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1719 "quic UDP datagram is too small for initial packet");
8078
d45961e062fa QUIC: refactored ngx_quic_retry_input().
Vladimir Homutov <vl@nginx.com>
parents: 8077
diff changeset
1720 return NGX_DECLINED;
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1721 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1722
8071
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
1723 if (ngx_quic_parse_long_header(pkt) != NGX_OK) {
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
1724 return NGX_DECLINED;
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1725 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1726
8060
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
1727 if (pkt->version != NGX_QUIC_VERSION) {
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
1728 ngx_log_error(NGX_LOG_INFO, c->log, 0,
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
1729 "quic unsupported version: 0x%xD", pkt->version);
8071
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
1730 return NGX_DECLINED;
8060
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
1731 }
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
1732
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1733 if (ngx_quic_pkt_zrtt(pkt->flags)) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1734 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1735 "quic discard inflight 0-RTT packet");
8078
d45961e062fa QUIC: refactored ngx_quic_retry_input().
Vladimir Homutov <vl@nginx.com>
parents: 8077
diff changeset
1736 return NGX_DECLINED;
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1737 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1738
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1739 if (!ngx_quic_pkt_in(pkt->flags)) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1740 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7996
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7995
diff changeset
1741 "quic invalid initial packet: 0x%xd", pkt->flags);
8071
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
1742 return NGX_DECLINED;
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1743 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1744
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1745 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) {
8071
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
1746 return NGX_DECLINED;
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1747 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1748
8078
d45961e062fa QUIC: refactored ngx_quic_retry_input().
Vladimir Homutov <vl@nginx.com>
parents: 8077
diff changeset
1749 if (!pkt->token.len) {
d45961e062fa QUIC: refactored ngx_quic_retry_input().
Vladimir Homutov <vl@nginx.com>
parents: 8077
diff changeset
1750 return NGX_DECLINED;
d45961e062fa QUIC: refactored ngx_quic_retry_input().
Vladimir Homutov <vl@nginx.com>
parents: 8077
diff changeset
1751 }
d45961e062fa QUIC: refactored ngx_quic_retry_input().
Vladimir Homutov <vl@nginx.com>
parents: 8077
diff changeset
1752
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1753 if (ngx_quic_new_dcid(c, &pkt->dcid) != NGX_OK) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1754 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1755 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1756
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1757 qc = c->quic;
7912
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7910
diff changeset
1758 qc->tp.initial_scid = c->quic->dcid;
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1759
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1760 keys = &c->quic->keys[ssl_encryption_initial];
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1761
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1762 if (ngx_quic_set_initial_secret(c->pool, &keys->client, &keys->server,
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1763 &qc->odcid)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1764 != NGX_OK)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1765 {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1766 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1767 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1768
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1769 c->quic->in_retry = 0;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1770
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1771 if (ngx_quic_validate_token(c, pkt) != NGX_OK) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1772 ngx_log_error(NGX_LOG_INFO, c->log, 0, "quic invalid token");
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1773 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1774 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1775
7995
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
1776 qc->validated = 1;
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
1777
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1778 pkt->secret = &keys->client;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1779 pkt->level = ssl_encryption_initial;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1780 pkt->plaintext = buf;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1781
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1782 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1783
8074
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1784 rc = ngx_quic_decrypt(pkt, NULL, &ctx->largest_pn);
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1785 if (rc != NGX_OK) {
7863
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 7862
diff changeset
1786 qc->error = pkt->error;
8074
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1787 qc->error_reason = "failed to decrypt packet";
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1788 return rc;
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1789 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1790
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1791 if (ngx_quic_init_connection(c) != NGX_OK) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1792 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1793 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1794
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1795 if (ngx_quic_payload_handler(c, pkt) != NGX_OK) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1796 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1797 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1798
8078
d45961e062fa QUIC: refactored ngx_quic_retry_input().
Vladimir Homutov <vl@nginx.com>
parents: 8077
diff changeset
1799 return NGX_OK;
7860
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1800 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1801
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1802
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7859
diff changeset
1803 static ngx_int_t
7689
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 7688
diff changeset
1804 ngx_quic_initial_input(ngx_connection_t *c, ngx_quic_header_t *pkt)
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 7688
diff changeset
1805 {
8074
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1806 ngx_int_t rc;
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1807 ngx_ssl_conn_t *ssl_conn;
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1808 ngx_quic_secrets_t *keys;
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1809 ngx_quic_send_ctx_t *ctx;
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1810 ngx_quic_connection_t *qc;
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1811 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
7689
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 7688
diff changeset
1812
7729
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7726
diff changeset
1813 c->log->action = "processing initial quic packet";
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7726
diff changeset
1814
7689
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 7688
diff changeset
1815 ssl_conn = c->ssl->connection;
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 7688
diff changeset
1816
8071
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
1817 if (ngx_quic_parse_long_header(pkt) != NGX_OK) {
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
1818 return NGX_DECLINED;
7689
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 7688
diff changeset
1819 }
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 7688
diff changeset
1820
8060
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
1821 if (pkt->version != NGX_QUIC_VERSION) {
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
1822 ngx_log_error(NGX_LOG_INFO, c->log, 0,
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
1823 "quic unsupported version: 0x%xD", pkt->version);
8071
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
1824 return NGX_DECLINED;
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
1825 }
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
1826
8074
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1827 qc = c->quic;
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1828
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1829 if (ngx_quic_check_peer(qc, pkt) != NGX_OK) {
8071
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
1830 return NGX_DECLINED;
8060
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
1831 }
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
1832
7690
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents: 7689
diff changeset
1833 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) {
8071
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
1834 return NGX_DECLINED;
7689
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 7688
diff changeset
1835 }
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 7688
diff changeset
1836
8074
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1837 keys = &qc->keys[ssl_encryption_initial];
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
1838
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
1839 pkt->secret = &keys->client;
7689
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 7688
diff changeset
1840 pkt->level = ssl_encryption_initial;
7754
ebd5c71b9f02 Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents: 7752
diff changeset
1841 pkt->plaintext = buf;
7689
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 7688
diff changeset
1842
8074
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1843 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1844
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1845 rc = ngx_quic_decrypt(pkt, ssl_conn, &ctx->largest_pn);
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1846 if (rc != NGX_OK) {
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1847 qc->error = pkt->error;
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1848 qc->error_reason = "failed to decrypt packet";
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1849 return rc;
7689
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 7688
diff changeset
1850 }
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 7688
diff changeset
1851
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 7688
diff changeset
1852 return ngx_quic_payload_handler(c, pkt);
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 7688
diff changeset
1853 }
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 7688
diff changeset
1854
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 7688
diff changeset
1855
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 7688
diff changeset
1856 static ngx_int_t
7672
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 7671
diff changeset
1857 ngx_quic_handshake_input(ngx_connection_t *c, ngx_quic_header_t *pkt)
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
1858 {
8074
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1859 ngx_int_t rc;
8025
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8024
diff changeset
1860 ngx_queue_t *q;
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8024
diff changeset
1861 ngx_quic_frame_t *f;
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
1862 ngx_quic_secrets_t *keys;
7816
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7815
diff changeset
1863 ngx_quic_send_ctx_t *ctx;
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
1864 ngx_quic_connection_t *qc;
7910
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7908
diff changeset
1865 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
1866
7729
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7726
diff changeset
1867 c->log->action = "processing handshake quic packet";
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7726
diff changeset
1868
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
1869 qc = c->quic;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
1870
7787
e45719a9b148 Discarding Handshake packets if no Handshake keys yet.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7786
diff changeset
1871 keys = &c->quic->keys[ssl_encryption_handshake];
e45719a9b148 Discarding Handshake packets if no Handshake keys yet.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7786
diff changeset
1872
e45719a9b148 Discarding Handshake packets if no Handshake keys yet.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7786
diff changeset
1873 if (keys->client.key.len == 0) {
e45719a9b148 Discarding Handshake packets if no Handshake keys yet.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7786
diff changeset
1874 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7838
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
1875 "quic no read keys yet, packet ignored");
7787
e45719a9b148 Discarding Handshake packets if no Handshake keys yet.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7786
diff changeset
1876 return NGX_DECLINED;
e45719a9b148 Discarding Handshake packets if no Handshake keys yet.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7786
diff changeset
1877 }
e45719a9b148 Discarding Handshake packets if no Handshake keys yet.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7786
diff changeset
1878
7659
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 7658
diff changeset
1879 /* extract cleartext data into pkt */
8071
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
1880 if (ngx_quic_parse_long_header(pkt) != NGX_OK) {
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
1881 return NGX_DECLINED;
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
1882 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
1883
8060
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
1884 if (pkt->version != NGX_QUIC_VERSION) {
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
1885 ngx_log_error(NGX_LOG_INFO, c->log, 0,
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
1886 "quic unsupported version: 0x%xD", pkt->version);
8071
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
1887 return NGX_DECLINED;
8060
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
1888 }
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
1889
7838
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
1890 if (ngx_quic_check_peer(qc, pkt) != NGX_OK) {
8071
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
1891 return NGX_DECLINED;
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
1892 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
1893
7690
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents: 7689
diff changeset
1894 if (ngx_quic_parse_handshake_header(pkt) != NGX_OK) {
8071
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
1895 return NGX_DECLINED;
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
1896 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
1897
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
1898 pkt->secret = &keys->client;
7672
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 7671
diff changeset
1899 pkt->level = ssl_encryption_handshake;
7754
ebd5c71b9f02 Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents: 7752
diff changeset
1900 pkt->plaintext = buf;
7672
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 7671
diff changeset
1901
7816
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7815
diff changeset
1902 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7815
diff changeset
1903
8074
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1904 rc = ngx_quic_decrypt(pkt, c->ssl->connection, &ctx->largest_pn);
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1905 if (rc != NGX_OK) {
7863
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 7862
diff changeset
1906 qc->error = pkt->error;
8074
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1907 qc->error_reason = "failed to decrypt packet";
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1908 return rc;
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
1909 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
1910
7870
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 7869
diff changeset
1911 /*
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 7869
diff changeset
1912 * 4.10.1. The successful use of Handshake packets indicates
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 7869
diff changeset
1913 * that no more Initial packets need to be exchanged
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 7869
diff changeset
1914 */
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 7869
diff changeset
1915 ctx = ngx_quic_get_send_ctx(c->quic, ssl_encryption_initial);
8025
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8024
diff changeset
1916
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8024
diff changeset
1917 while (!ngx_queue_empty(&ctx->sent)) {
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8024
diff changeset
1918 q = ngx_queue_head(&ctx->sent);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8024
diff changeset
1919 ngx_queue_remove(q);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8024
diff changeset
1920
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8024
diff changeset
1921 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8024
diff changeset
1922 ngx_quic_congestion_ack(c, f);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8024
diff changeset
1923 ngx_quic_free_frame(c, f);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8024
diff changeset
1924 }
7870
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 7869
diff changeset
1925
7995
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
1926 qc->validated = 1;
7993
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
1927 qc->pto_count = 0;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
1928
7672
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 7671
diff changeset
1929 return ngx_quic_payload_handler(c, pkt);
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1930 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1931
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1932
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
1933 static ngx_int_t
7770
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1934 ngx_quic_early_input(ngx_connection_t *c, ngx_quic_header_t *pkt)
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1935 {
8074
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1936 ngx_int_t rc;
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
1937 ngx_quic_secrets_t *keys;
7816
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7815
diff changeset
1938 ngx_quic_send_ctx_t *ctx;
7770
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1939 ngx_quic_connection_t *qc;
7910
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7908
diff changeset
1940 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
7770
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1941
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1942 c->log->action = "processing early data quic packet";
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1943
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1944 qc = c->quic;
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1945
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1946 /* extract cleartext data into pkt */
8071
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
1947 if (ngx_quic_parse_long_header(pkt) != NGX_OK) {
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
1948 return NGX_DECLINED;
7770
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1949 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1950
8060
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
1951 if (pkt->version != NGX_QUIC_VERSION) {
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
1952 ngx_log_error(NGX_LOG_INFO, c->log, 0,
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
1953 "quic unsupported version: 0x%xD", pkt->version);
8071
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
1954 return NGX_DECLINED;
8060
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
1955 }
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8057
diff changeset
1956
7838
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
1957 if (ngx_quic_check_peer(qc, pkt) != NGX_OK) {
8071
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
1958 return NGX_DECLINED;
7770
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1959 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1960
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1961 if (ngx_quic_parse_handshake_header(pkt) != NGX_OK) {
8071
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
1962 return NGX_DECLINED;
7770
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1963 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1964
7934
cef417a24755 QUIC: cleaned up quic encryption state tracking.
Vladimir Homutov <vl@nginx.com>
parents: 7933
diff changeset
1965 keys = &c->quic->keys[ssl_encryption_early_data];
cef417a24755 QUIC: cleaned up quic encryption state tracking.
Vladimir Homutov <vl@nginx.com>
parents: 7933
diff changeset
1966
cef417a24755 QUIC: cleaned up quic encryption state tracking.
Vladimir Homutov <vl@nginx.com>
parents: 7933
diff changeset
1967 if (keys->client.key.len == 0) {
cef417a24755 QUIC: cleaned up quic encryption state tracking.
Vladimir Homutov <vl@nginx.com>
parents: 7933
diff changeset
1968 ngx_log_error(NGX_LOG_INFO, c->log, 0,
cef417a24755 QUIC: cleaned up quic encryption state tracking.
Vladimir Homutov <vl@nginx.com>
parents: 7933
diff changeset
1969 "quic no 0-RTT keys yet, packet ignored");
cef417a24755 QUIC: cleaned up quic encryption state tracking.
Vladimir Homutov <vl@nginx.com>
parents: 7933
diff changeset
1970 return NGX_DECLINED;
7770
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1971 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1972
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
1973
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
1974 pkt->secret = &keys->client;
7770
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1975 pkt->level = ssl_encryption_early_data;
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1976 pkt->plaintext = buf;
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1977
7816
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7815
diff changeset
1978 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7815
diff changeset
1979
8074
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1980 rc = ngx_quic_decrypt(pkt, c->ssl->connection, &ctx->largest_pn);
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1981 if (rc != NGX_OK) {
7863
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 7862
diff changeset
1982 qc->error = pkt->error;
8074
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1983 qc->error_reason = "failed to decrypt packet";
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
1984 return rc;
7770
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1985 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1986
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1987 return ngx_quic_payload_handler(c, pkt);
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1988 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1989
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1990
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7769
diff changeset
1991 static ngx_int_t
7838
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
1992 ngx_quic_check_peer(ngx_quic_connection_t *qc, ngx_quic_header_t *pkt)
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
1993 {
8076
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
1994 ngx_str_t *dcid;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
1995 ngx_queue_t *q;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
1996 ngx_quic_client_id_t *cid;
7858
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7857
diff changeset
1997
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7857
diff changeset
1998 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: 7857
diff changeset
1999
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7857
diff changeset
2000 if (pkt->dcid.len != dcid->len) {
7838
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
2001 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic unexpected quic dcidl");
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
2002 return NGX_ERROR;
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
2003 }
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
2004
7858
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7857
diff changeset
2005 if (ngx_memcmp(pkt->dcid.data, dcid->data, dcid->len) != 0) {
7838
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
2006 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic unexpected quic dcid");
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
2007 return NGX_ERROR;
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
2008 }
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
2009
8076
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2010 for (q = ngx_queue_head(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2011 q != ngx_queue_sentinel(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2012 q = ngx_queue_next(q))
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2013 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2014 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2015
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2016 if (pkt->scid.len == cid->len
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2017 && ngx_memcmp(pkt->scid.data, cid->id, cid->len) == 0)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2018 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2019 return NGX_OK;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2020 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2021 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2022
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2023
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2024 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic unexpected quic scid");
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2025 return NGX_ERROR;
7838
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
2026 }
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
2027
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
2028
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
2029 static ngx_int_t
7672
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 7671
diff changeset
2030 ngx_quic_app_input(ngx_connection_t *c, ngx_quic_header_t *pkt)
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
2031 {
7785
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2032 ngx_int_t rc;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2033 ngx_quic_secrets_t *keys, *next, tmp;
7816
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7815
diff changeset
2034 ngx_quic_send_ctx_t *ctx;
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
2035 ngx_quic_connection_t *qc;
7910
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7908
diff changeset
2036 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
2037
7729
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7726
diff changeset
2038 c->log->action = "processing application data quic packet";
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7726
diff changeset
2039
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
2040 qc = c->quic;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
2041
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
2042 keys = &c->quic->keys[ssl_encryption_application];
7785
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2043 next = &c->quic->next_key;
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
2044
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
2045 if (keys->client.key.len == 0) {
7689
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 7688
diff changeset
2046 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7838
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
2047 "quic no read keys yet, packet ignored");
7689
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 7688
diff changeset
2048 return NGX_DECLINED;
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 7688
diff changeset
2049 }
7665
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 7664
diff changeset
2050
8071
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
2051 if (ngx_quic_parse_short_header(pkt, &qc->dcid) != NGX_OK) {
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8069
diff changeset
2052 return NGX_DECLINED;
7651
6a76d9657772 QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7650
diff changeset
2053 }
6a76d9657772 QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7650
diff changeset
2054
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
2055 pkt->secret = &keys->client;
7785
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2056 pkt->next = &next->client;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2057 pkt->key_phase = c->quic->key_phase;
7672
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 7671
diff changeset
2058 pkt->level = ssl_encryption_application;
7754
ebd5c71b9f02 Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents: 7752
diff changeset
2059 pkt->plaintext = buf;
7672
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 7671
diff changeset
2060
7816
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7815
diff changeset
2061 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7815
diff changeset
2062
7941
df29219988bc Discard short packets which could not be decrypted.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7938
diff changeset
2063 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: 7938
diff changeset
2064 if (rc != NGX_OK) {
7863
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 7862
diff changeset
2065 qc->error = pkt->error;
8074
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8073
diff changeset
2066 qc->error_reason = "failed to decrypt packet";
7941
df29219988bc Discard short packets which could not be decrypted.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7938
diff changeset
2067 return rc;
7651
6a76d9657772 QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7650
diff changeset
2068 }
6a76d9657772 QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7650
diff changeset
2069
7988
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 7987
diff changeset
2070 ngx_gettimeofday(&pkt->received);
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 7987
diff changeset
2071
7785
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2072 /* switch keys on Key Phase change */
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2073
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2074 if (pkt->key_update) {
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2075 c->quic->key_phase ^= 1;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2076
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2077 tmp = *keys;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2078 *keys = *next;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2079 *next = tmp;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2080 }
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2081
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2082 rc = ngx_quic_payload_handler(c, pkt);
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2083
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2084 if (rc == NGX_ERROR) {
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2085 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2086 }
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2087
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2088 /* generate next keys */
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2089
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2090 if (pkt->key_update) {
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2091 if (ngx_quic_key_update(c, keys, next) != NGX_OK) {
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2092 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2093 }
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2094 }
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2095
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
2096 return rc;
7648
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 7646
diff changeset
2097 }
7637
4daf03d2bd0a OpenSSL compatibility.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
2098
4daf03d2bd0a OpenSSL compatibility.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
2099
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2100 static ngx_int_t
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2101 ngx_quic_payload_handler(ngx_connection_t *c, ngx_quic_header_t *pkt)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2102 {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2103 u_char *end, *p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2104 ssize_t len;
7844
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2105 ngx_uint_t ack_sent, do_close;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2106 ngx_quic_frame_t frame;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2107 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2108
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2109 qc = c->quic;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2110
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2111 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2112 /*
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2113 * 10.1 Closing and Draining Connection States
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2114 * ... delayed or reordered packets are properly discarded.
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2115 *
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2116 * An endpoint retains only enough information to generate
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2117 * a packet containing a CONNECTION_CLOSE frame and to identify
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2118 * packets as belonging to the connection.
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2119 */
7953
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
2120
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
2121 qc->error_level = pkt->level;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
2122 qc->error = NGX_QUIC_ERR_NO_ERROR;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
2123 qc->error_reason = "connection is closing, packet discarded";
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
2124 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
2125 qc->error_app = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
2126
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
2127 return ngx_quic_send_cc(c);
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2128 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2129
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2130 p = pkt->payload.data;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2131 end = p + pkt->payload.len;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2132
7844
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2133 ack_sent = 0;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2134 do_close = 0;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2135
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2136 while (p < end) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2137
7741
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7740
diff changeset
2138 c->log->action = "parsing frames";
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7740
diff changeset
2139
7706
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 7705
diff changeset
2140 len = ngx_quic_parse_frame(pkt, p, end, &frame);
7717
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 7713
diff changeset
2141
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2142 if (len < 0) {
7862
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 7861
diff changeset
2143 qc->error = pkt->error;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2144 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2145 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2146
7741
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7740
diff changeset
2147 c->log->action = "handling frames";
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7740
diff changeset
2148
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2149 p += len;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2150
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2151 switch (frame.type) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2152
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2153 case NGX_QUIC_FT_ACK:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2154 if (ngx_quic_handle_ack_frame(c, pkt, &frame.u.ack) != NGX_OK) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2155 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2156 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2157
7844
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2158 continue;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2159
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2160 case NGX_QUIC_FT_PADDING:
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2161 /* no action required */
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2162 continue;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2163
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2164 case NGX_QUIC_FT_CONNECTION_CLOSE:
7953
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
2165 case NGX_QUIC_FT_CONNECTION_CLOSE_APP:
7844
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2166 do_close = 1;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2167 continue;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2168 }
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2169
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2170 /* got there with ack-eliciting packet */
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2171
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2172 if (!ack_sent) {
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2173 if (ngx_quic_send_ack(c, pkt) != NGX_OK) {
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2174 return NGX_ERROR;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2175 }
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2176
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2177 ack_sent = 1;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2178 }
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2179
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2180 switch (frame.type) {
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2181
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2182 case NGX_QUIC_FT_CRYPTO:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2183
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2184 if (ngx_quic_handle_crypto_frame(c, pkt, &frame) != NGX_OK) {
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2185 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2186 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2187
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2188 break;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2189
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2190 case NGX_QUIC_FT_PING:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2191 break;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2192
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2193 case NGX_QUIC_FT_STREAM0:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2194 case NGX_QUIC_FT_STREAM1:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2195 case NGX_QUIC_FT_STREAM2:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2196 case NGX_QUIC_FT_STREAM3:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2197 case NGX_QUIC_FT_STREAM4:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2198 case NGX_QUIC_FT_STREAM5:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2199 case NGX_QUIC_FT_STREAM6:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2200 case NGX_QUIC_FT_STREAM7:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2201
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
2202 if (ngx_quic_handle_stream_frame(c, pkt, &frame) != NGX_OK) {
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2203 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2204 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2205
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2206 break;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2207
7703
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7702
diff changeset
2208 case NGX_QUIC_FT_MAX_DATA:
7842
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
2209
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
2210 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: 7841
diff changeset
2211 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
2212 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
2213 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
2214
7703
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7702
diff changeset
2215 break;
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7702
diff changeset
2216
7702
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 7701
diff changeset
2217 case NGX_QUIC_FT_STREAMS_BLOCKED:
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 7701
diff changeset
2218 case NGX_QUIC_FT_STREAMS_BLOCKED2:
7711
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 7707
diff changeset
2219
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 7707
diff changeset
2220 if (ngx_quic_handle_streams_blocked_frame(c, pkt,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 7707
diff changeset
2221 &frame.u.streams_blocked)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 7707
diff changeset
2222 != NGX_OK)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 7707
diff changeset
2223 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 7707
diff changeset
2224 return NGX_ERROR;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 7707
diff changeset
2225 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 7707
diff changeset
2226
7702
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 7701
diff changeset
2227 break;
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 7701
diff changeset
2228
7732
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
2229 case NGX_QUIC_FT_STREAM_DATA_BLOCKED:
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
2230
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
2231 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: 7731
diff changeset
2232 &frame.u.stream_data_blocked)
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
2233 != NGX_OK)
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
2234 {
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
2235 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
2236 }
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
2237
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
2238 break;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
2239
7842
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
2240 case NGX_QUIC_FT_MAX_STREAM_DATA:
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
2241
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
2242 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: 7841
diff changeset
2243 &frame.u.max_stream_data)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
2244 != NGX_OK)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
2245 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
2246 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
2247 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
2248
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
2249 break;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
2250
7923
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
2251 case NGX_QUIC_FT_RESET_STREAM:
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
2252
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
2253 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: 7922
diff changeset
2254 &frame.u.reset_stream)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
2255 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
2256 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
2257 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
2258 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
2259
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
2260 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
2261
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
2262 case NGX_QUIC_FT_STOP_SENDING:
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
2263
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
2264 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: 7922
diff changeset
2265 &frame.u.stop_sending)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
2266 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
2267 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
2268 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
2269 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
2270
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
2271 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
2272
8013
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
2273 case NGX_QUIC_FT_MAX_STREAMS:
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
2274 case NGX_QUIC_FT_MAX_STREAMS2:
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
2275
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
2276 if (ngx_quic_handle_max_streams_frame(c, pkt, &frame.u.max_streams)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
2277 != NGX_OK)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
2278 {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
2279 return NGX_ERROR;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
2280 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
2281
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
2282 break;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
2283
8069
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
2284 case NGX_QUIC_FT_PATH_CHALLENGE:
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
2285
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
2286 if (ngx_quic_handle_path_challenge_frame(c, pkt,
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
2287 &frame.u.path_challenge)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
2288 != NGX_OK)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
2289 {
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
2290 return NGX_ERROR;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
2291 }
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
2292
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
2293 break;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
2294
7791
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 7788
diff changeset
2295 case NGX_QUIC_FT_NEW_CONNECTION_ID:
8076
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2296
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2297 if (ngx_quic_handle_new_connection_id_frame(c, pkt, &frame.u.ncid)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2298 != NGX_OK)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2299 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2300 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2301 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2302
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2303 break;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
2304
7791
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 7788
diff changeset
2305 case NGX_QUIC_FT_RETIRE_CONNECTION_ID:
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 7788
diff changeset
2306 case NGX_QUIC_FT_PATH_RESPONSE:
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 7788
diff changeset
2307
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 7788
diff changeset
2308 /* TODO: handle */
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 7788
diff changeset
2309 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
2310 "quic frame handler not implemented");
7791
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 7788
diff changeset
2311 break;
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 7788
diff changeset
2312
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2313 default:
7823
4e4485793418 Added MAX_STREAM_DATA stub handler.
Vladimir Homutov <vl@nginx.com>
parents: 7822
diff changeset
2314 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
2315 "quic missing frame handler");
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2316 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2317 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2318 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2319
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2320 if (p != end) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2321 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7838
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
2322 "quic trailing garbage in payload: %ui bytes", end - p);
7862
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 7861
diff changeset
2323
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 7861
diff changeset
2324 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2325 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2326 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2327
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2328 if (do_close) {
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2329 qc->draining = 1;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2330 ngx_quic_close_connection(c, NGX_OK);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2331 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2332
7844
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2333 return NGX_OK;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2334 }
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2335
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2336
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2337 static ngx_int_t
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2338 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: 7842
diff changeset
2339 {
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2340 ngx_quic_frame_t *frame;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2341
7741
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7740
diff changeset
2342 c->log->action = "generating acknowledgment";
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7740
diff changeset
2343
7844
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2344 /* every ACK-eliciting packet is acknowledged, TODO ACK Ranges */
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2345
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2346 frame = ngx_quic_alloc_frame(c, 0);
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2347 if (frame == NULL) {
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2348 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2349 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2350
7844
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2351 frame->level = (pkt->level == ssl_encryption_early_data)
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2352 ? ssl_encryption_application
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2353 : pkt->level;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2354
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2355 frame->type = NGX_QUIC_FT_ACK;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2356 frame->u.ack.largest = pkt->pn;
7988
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 7987
diff changeset
2357 frame->u.ack.delay = ngx_quic_ack_delay(c, &pkt->received, frame->level);
7844
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2358
7996
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7995
diff changeset
2359 ngx_sprintf(frame->info, "ACK for PN=%uL from frame handler level=%d",
7844
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2360 pkt->pn, frame->level);
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7842
diff changeset
2361 ngx_quic_queue_frame(c->quic, frame);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2362
7775
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 7774
diff changeset
2363 return NGX_OK;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2364 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2365
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2366
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2367 static ngx_int_t
7988
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 7987
diff changeset
2368 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: 7987
diff changeset
2369 enum ssl_encryption_level_t level)
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 7987
diff changeset
2370 {
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 7987
diff changeset
2371 ngx_int_t ack_delay;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 7987
diff changeset
2372 struct timeval tv;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 7987
diff changeset
2373
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 7987
diff changeset
2374 ack_delay = 0;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 7987
diff changeset
2375
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 7987
diff changeset
2376 if (level == ssl_encryption_application) {
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 7987
diff changeset
2377 ngx_gettimeofday(&tv);
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 7987
diff changeset
2378 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: 7987
diff changeset
2379 + tv.tv_usec - received->tv_usec;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 7987
diff changeset
2380 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: 7987
diff changeset
2381 }
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 7987
diff changeset
2382
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 7987
diff changeset
2383 return ack_delay;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 7987
diff changeset
2384 }
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 7987
diff changeset
2385
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 7987
diff changeset
2386
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 7987
diff changeset
2387 static ngx_int_t
7953
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
2388 ngx_quic_send_cc(ngx_connection_t *c)
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2389 {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2390 ngx_quic_frame_t *frame;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2391 ngx_quic_connection_t *qc;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2392
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2393 qc = c->quic;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2394
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2395 if (qc->draining) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2396 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2397 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2398
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2399 if (qc->closing
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2400 && 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: 7831
diff changeset
2401 {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2402 /* dot not send CC too often */
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2403 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2404 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2405
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2406 frame = ngx_quic_alloc_frame(c, 0);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2407 if (frame == NULL) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2408 return NGX_ERROR;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2409 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2410
7953
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
2411 frame->level = qc->error_level;
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2412 frame->type = NGX_QUIC_FT_CONNECTION_CLOSE;
7953
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
2413 frame->u.close.error_code = qc->error;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
2414 frame->u.close.frame_type = qc->error_ftype;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
2415 frame->u.close.app = qc->error_app;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
2416
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
2417 if (qc->error_reason) {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
2418 frame->u.close.reason.len = ngx_strlen(qc->error_reason);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
2419 frame->u.close.reason.data = (u_char *) qc->error_reason;
7876
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7875
diff changeset
2420 }
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7875
diff changeset
2421
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7875
diff changeset
2422 ngx_snprintf(frame->info, sizeof(frame->info) - 1,
7953
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
2423 "CONNECTION_CLOSE%s err:%ui level:%d ft:%ui reason:\"%s\"",
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
2424 qc->error_app ? "_APP" : "", qc->error, qc->error_level,
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 7945
diff changeset
2425 qc->error_ftype, qc->error_reason ? qc->error_reason : "-");
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2426
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2427 ngx_quic_queue_frame(c->quic, frame);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2428
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2429 qc->last_cc = ngx_current_msec;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2430
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2431 return ngx_quic_output(c);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2432 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2433
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2434
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
2435 static ngx_int_t
7861
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2436 ngx_quic_send_new_token(ngx_connection_t *c)
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2437 {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2438 ngx_str_t token;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2439 ngx_quic_frame_t *frame;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2440
7999
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 7998
diff changeset
2441 if (!c->quic->conf->retry) {
7861
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2442 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2443 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2444
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2445 if (ngx_quic_new_token(c, &token) != NGX_OK) {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2446 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2447 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2448
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2449 frame = ngx_quic_alloc_frame(c, 0);
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2450 if (frame == NULL) {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2451 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2452 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2453
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2454 frame->level = ssl_encryption_application;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2455 frame->type = NGX_QUIC_FT_NEW_TOKEN;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2456 frame->u.token.length = token.len;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2457 frame->u.token.data = token.data;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2458 ngx_sprintf(frame->info, "NEW_TOKEN");
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2459 ngx_quic_queue_frame(c->quic, frame);
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2460
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2461 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2462 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2463
7945
Vladimir Homutov <vl@nginx.com>
parents: 7942
diff changeset
2464
7861
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
2465 static ngx_int_t
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2466 ngx_quic_handle_ack_frame(ngx_connection_t *c, ngx_quic_header_t *pkt,
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2467 ngx_quic_ack_frame_t *ack)
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2468 {
7989
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 7988
diff changeset
2469 ssize_t n;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 7988
diff changeset
2470 u_char *pos, *end;
8020
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8019
diff changeset
2471 uint64_t min, max, gap, range;
7989
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 7988
diff changeset
2472 ngx_msec_t send_time;
8020
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8019
diff changeset
2473 ngx_uint_t i;
7989
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 7988
diff changeset
2474 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: 7988
diff changeset
2475 ngx_quic_connection_t *qc;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 7988
diff changeset
2476
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 7988
diff changeset
2477 qc = c->quic;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 7988
diff changeset
2478
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 7988
diff changeset
2479 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2480
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2481 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
2482 "quic ngx_quic_handle_ack_frame level %d", pkt->level);
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2483
7792
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2484 /*
7862
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 7861
diff changeset
2485 * 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: 7861
diff changeset
2486 * 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: 7861
diff changeset
2487 * (19.3.1)
7792
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2488 */
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2489
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2490 if (ack->first_range > ack->largest) {
7989
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 7988
diff changeset
2491 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2492 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7838
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
2493 "quic invalid first range in ack frame");
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2494 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2495 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2496
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2497 min = ack->largest - ack->first_range;
7792
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2498 max = ack->largest;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2499
7987
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2500 if (ngx_quic_handle_ack_frame_range(c, ctx, min, max, &send_time)
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2501 != NGX_OK)
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2502 {
7792
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2503 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2504 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2505
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2506 /* 13.2.3. Receiver Tracking of ACK Frames */
8050
6e1c88f82280 QUIC: changed ctx->largest_ack initial value to type maximum.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8027
diff changeset
2507 if (ctx->largest_ack < max || ctx->largest_ack == (uint64_t) -1) {
7808
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
2508 ctx->largest_ack = max;
7792
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2509 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8020
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8019
diff changeset
2510 "quic updated largest received ack: %uL", max);
7987
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2511
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2512 /*
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2513 * An endpoint generates an RTT sample on receiving an
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2514 * ACK frame that meets the following two conditions:
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2515 *
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2516 * - the largest acknowledged packet number is newly acknowledged
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2517 * - at least one of the newly acknowledged packets was ack-eliciting.
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2518 */
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2519
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2520 if (send_time != NGX_TIMER_INFINITE) {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2521 ngx_quic_rtt_sample(c, ack, pkt->level, send_time);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2522 }
7792
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2523 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2524
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2525 pos = ack->ranges_start;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2526 end = ack->ranges_end;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2527
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2528 for (i = 0; i < ack->range_count; i++) {
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2529
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2530 n = ngx_quic_parse_ack_range(pkt, pos, end, &gap, &range);
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2531 if (n == NGX_ERROR) {
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2532 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2533 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2534 pos += n;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2535
8020
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8019
diff changeset
2536 if (gap + 2 > min) {
7989
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 7988
diff changeset
2537 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
7792
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2538 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7838
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
2539 "quic invalid range %ui in ack frame", i);
7792
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2540 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2541 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2542
8020
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8019
diff changeset
2543 max = min - gap - 2;
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8019
diff changeset
2544
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8019
diff changeset
2545 if (range > max) {
7989
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 7988
diff changeset
2546 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
7792
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2547 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7838
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
2548 "quic invalid range %ui in ack frame", i);
7792
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2549 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2550 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2551
8020
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8019
diff changeset
2552 min = max - range;
7792
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2553
7987
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2554 if (ngx_quic_handle_ack_frame_range(c, ctx, min, max, &send_time)
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2555 != NGX_OK)
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2556 {
7792
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2557 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2558 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2559 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2560
8051
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
2561 return ngx_quic_detect_lost(c);
7792
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2562 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2563
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2564
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2565 static ngx_int_t
7808
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
2566 ngx_quic_handle_ack_frame_range(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx,
7987
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2567 uint64_t min, uint64_t max, ngx_msec_t *send_time)
7792
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2568 {
7987
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2569 uint64_t found_num;
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2570 ngx_uint_t found;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2571 ngx_queue_t *q;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2572 ngx_quic_frame_t *f;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2573 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2574
8020
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8019
diff changeset
2575 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8019
diff changeset
2576 "quic handle ack range: min:%uL max:%uL", min, max);
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8019
diff changeset
2577
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2578 qc = c->quic;
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2579
7987
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2580 *send_time = NGX_TIMER_INFINITE;
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2581 found = 0;
7987
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2582 found_num = 0;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2583
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2584 q = ngx_queue_last(&ctx->sent);
7808
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
2585
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
2586 while (q != ngx_queue_sentinel(&ctx->sent)) {
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2587
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2588 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
7987
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2589 q = ngx_queue_prev(q);
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2590
7792
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2591 if (f->pnum >= min && f->pnum <= max) {
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2592 ngx_quic_congestion_ack(c, f);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2593
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2594 ngx_quic_handle_stream_ack(c, f);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2595
7987
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2596 if (f->pnum > found_num || !found) {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2597 *send_time = f->last;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2598 found_num = f->pnum;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2599 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2600
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2601 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2602 ngx_quic_free_frame(c, f);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2603 found = 1;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2604 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2605 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2606
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2607 if (!found) {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2608
7932
4e75267865de QUIC: fixed off-by-one in frame range handler.
Vladimir Homutov <vl@nginx.com>
parents: 7931
diff changeset
2609 if (max < ctx->pnum) {
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2610 /* duplicate ACK or ACK for non-ack-eliciting frame */
7792
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 7791
diff changeset
2611 return NGX_OK;
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2612 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2613
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2614 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7878
Vladimir Homutov <vl@nginx.com>
parents: 7877
diff changeset
2615 "quic ACK for the packet not sent");
7862
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 7861
diff changeset
2616
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 7861
diff changeset
2617 qc->error = NGX_QUIC_ERR_PROTOCOL_VIOLATION;
7876
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7875
diff changeset
2618 qc->error_ftype = NGX_QUIC_FT_ACK;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 7875
diff changeset
2619 qc->error_reason = "unknown packet number";
7862
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 7861
diff changeset
2620
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2621 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2622 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
2623
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2624 if (!qc->push.timer_set) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2625 ngx_post_event(&qc->push, &ngx_posted_events);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2626 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2627
7993
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2628 qc->pto_count = 0;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2629
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2630 return NGX_OK;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2631 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2632
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2633
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2634 static void
7987
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2635 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: 7953
diff changeset
2636 enum ssl_encryption_level_t level, ngx_msec_t send_time)
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2637 {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2638 ngx_msec_t latest_rtt, ack_delay, adjusted_rtt, rttvar_sample;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2639 ngx_quic_connection_t *qc;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2640
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2641 qc = c->quic;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2642
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2643 latest_rtt = ngx_current_msec - send_time;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2644 qc->latest_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2645
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2646 if (qc->min_rtt == NGX_TIMER_INFINITE) {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2647 qc->min_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2648 qc->avg_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2649 qc->rttvar = latest_rtt / 2;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2650
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2651 } else {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2652 qc->min_rtt = ngx_min(qc->min_rtt, latest_rtt);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2653
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2654
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2655 if (level == ssl_encryption_application) {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2656 ack_delay = ack->delay * (1 << qc->ctp.ack_delay_exponent) / 1000;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2657 ack_delay = ngx_min(ack_delay, qc->ctp.max_ack_delay);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2658
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2659 } else {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2660 ack_delay = 0;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2661 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2662
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2663 adjusted_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2664
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2665 if (qc->min_rtt + ack_delay < latest_rtt) {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2666 adjusted_rtt -= ack_delay;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2667 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2668
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2669 qc->avg_rtt = 0.875 * qc->avg_rtt + 0.125 * adjusted_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2670 rttvar_sample = ngx_abs((ngx_msec_int_t) (qc->avg_rtt - adjusted_rtt));
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2671 qc->rttvar = 0.75 * qc->rttvar + 0.25 * rttvar_sample;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2672 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2673
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2674 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2675 "quic rtt sample: latest %M, min %M, avg %M, var %M",
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2676 latest_rtt, qc->min_rtt, qc->avg_rtt, qc->rttvar);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2677 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2678
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2679
7993
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2680 static ngx_inline ngx_msec_t
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2681 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: 7992
diff changeset
2682 {
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2683 ngx_msec_t duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2684 ngx_quic_connection_t *qc;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2685
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2686 qc = c->quic;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2687
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2688 /* PTO calculation: quic-recovery, Appendix 8 */
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2689 duration = qc->avg_rtt;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2690
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2691 duration += ngx_max(4 * qc->rttvar, NGX_QUIC_TIME_GRANULARITY);
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2692 duration <<= qc->pto_count;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2693
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2694 if (qc->congestion.in_flight == 0) { /* no in-flight packets */
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2695 return duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2696 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2697
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2698 if (ctx == &qc->send_ctx[2] && c->ssl->handshaked) {
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2699 /* application send space */
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2700
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2701 duration += qc->tp.max_ack_delay << qc->pto_count;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2702 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2703
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2704 return duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2705 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2706
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
2707
7987
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 7953
diff changeset
2708 static void
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2709 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: 7840
diff changeset
2710 {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2711 uint64_t sent, unacked;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2712 ngx_event_t *wev;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2713 ngx_quic_stream_t *sn;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2714 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2715
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2716 if (f->type < NGX_QUIC_FT_STREAM0 || f->type > NGX_QUIC_FT_STREAM7) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2717 return;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2718 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2719
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2720 qc = c->quic;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2721
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2722 sn = ngx_quic_find_stream(&qc->streams.tree, f->u.stream.stream_id);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2723 if (sn == NULL) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2724 return;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2725 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2726
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2727 wev = sn->c->write;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2728 sent = sn->c->sent;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2729 unacked = sent - sn->acked;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2730
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2731 if (unacked >= NGX_QUIC_STREAM_BUFSIZE && wev->active) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2732 wev->ready = 1;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2733 ngx_post_event(wev, &ngx_posted_events);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2734 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2735
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2736 sn->acked += f->u.stream.length;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2737
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2738 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, sn->c->log, 0,
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2739 "quic stream ack %uL acked:%uL, unacked:%uL",
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2740 f->u.stream.length, sn->acked, sent - sn->acked);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2741 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2742
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
2743
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2744 static ngx_int_t
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2745 ngx_quic_handle_ordered_frame(ngx_connection_t *c, ngx_quic_frames_stream_t *fs,
7855
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 7854
diff changeset
2746 ngx_quic_frame_t *frame, ngx_quic_frame_handler_pt handler, void *data)
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2747 {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2748 size_t full_len;
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
2749 ngx_int_t rc;
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2750 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2751 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2752
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2753 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2754
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2755 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2756 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
7996
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7995
diff changeset
2757 "quic out-of-order frame: expecting %uL got %uL",
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2758 fs->received, f->offset);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2759
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2760 return ngx_quic_buffer_frame(c, fs, frame);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2761 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2762
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2763 if (f->offset < fs->received) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2764
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2765 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2766 == NGX_DONE)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2767 {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2768 /* old/duplicate data range */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2769 return NGX_OK;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2770 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2771
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2772 /* intersecting data range, frame modified */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2773 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2774
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2775 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2776
7855
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 7854
diff changeset
2777 rc = handler(c, frame, data);
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
2778 if (rc == NGX_ERROR) {
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2779 return NGX_ERROR;
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
2780
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
2781 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
2782 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
2783 return NGX_OK;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2784 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2785
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
2786 /* rc == NGX_OK */
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
2787
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2788 fs->received += f->length;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2789
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2790 /* now check the queue if we can continue with buffered frames */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2791
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2792 do {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2793 q = ngx_queue_head(&fs->frames);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2794 if (q == ngx_queue_sentinel(&fs->frames)) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2795 break;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2796 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2797
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2798 frame = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2799 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2800
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2801 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2802 /* gap found, nothing more to do */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2803 break;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2804 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2805
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2806 full_len = f->length;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2807
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2808 if (f->offset < fs->received) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2809
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2810 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2811 == NGX_DONE)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2812 {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2813 /* old/duplicate data range */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2814 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2815 fs->total -= f->length;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2816
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2817 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
2818 "quic skipped buffered frame, total %ui",
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
2819 fs->total);
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2820 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2821 continue;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2822 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2823
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2824 /* frame was adjusted, proceed to input */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2825 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2826
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2827 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2828
7855
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 7854
diff changeset
2829 rc = handler(c, frame, data);
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
2830
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
2831 if (rc == NGX_ERROR) {
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2832 return NGX_ERROR;
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
2833
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
2834 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
2835 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
2836 return NGX_OK;
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2837 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2838
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2839 fs->received += f->length;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2840 fs->total -= full_len;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2841
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2842 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2843
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2844 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
2845 "quic consumed buffered frame, total %ui", fs->total);
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2846
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2847 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2848
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2849 } while (1);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2850
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2851 return NGX_OK;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2852 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2853
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2854
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2855 static ngx_int_t
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2856 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: 7809
diff changeset
2857 uint64_t offset_in)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2858 {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2859 size_t tail;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2860 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2861
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2862 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2863
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2864 tail = offset_in - f->offset;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2865
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2866 if (tail >= f->length) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2867 /* range preceeding already received data or duplicate, ignore */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2868
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2869 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
2870 "quic old or duplicate data in ordered frame, ignored");
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2871 return NGX_DONE;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2872 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2873
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2874 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
2875 "quic adjusted ordered frame data start to expected offset");
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2876
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2877 /* intersecting range: adjust data size */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2878
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2879 f->offset += tail;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2880 f->data += tail;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2881 f->length -= tail;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2882
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2883 return NGX_OK;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2884 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2885
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2886
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2887 static ngx_int_t
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2888 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: 7809
diff changeset
2889 ngx_quic_frame_t *frame)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2890 {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2891 u_char *data;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2892 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2893 ngx_quic_frame_t *dst, *item;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2894 ngx_quic_ordered_frame_t *f, *df;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2895
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
2896 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
2897 "quic ngx_quic_buffer_frame");
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2898
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2899 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2900
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2901 /* frame start offset is in the future, buffer it */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2902
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2903 dst = ngx_quic_alloc_frame(c, f->length);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2904 if (dst == NULL) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2905 return NGX_ERROR;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2906 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2907
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2908 data = dst->data;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2909 ngx_memcpy(dst, frame, sizeof(ngx_quic_frame_t));
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2910 dst->data = data;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2911
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2912 ngx_memcpy(dst->data, f->data, f->length);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2913
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2914 df = &dst->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2915 df->data = dst->data;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2916
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2917 fs->total += f->length;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2918
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2919 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
2920 "quic ordered frame with unexpected offset:"
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
2921 " buffered, total %ui", fs->total);
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2922
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2923 if (ngx_queue_empty(&fs->frames)) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2924 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2925 return NGX_OK;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2926 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2927
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2928 for (q = ngx_queue_last(&fs->frames);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2929 q != ngx_queue_sentinel(&fs->frames);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2930 q = ngx_queue_prev(q))
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2931 {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2932 item = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2933 f = &item->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2934
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2935 if (f->offset < df->offset) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2936 ngx_queue_insert_after(q, &dst->queue);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2937 return NGX_OK;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2938 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2939 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2940
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2941 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2942
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2943 return NGX_OK;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2944 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2945
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2946
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2947 static ngx_int_t
7812
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 7811
diff changeset
2948 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: 7811
diff changeset
2949 ngx_quic_frame_t *frame)
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 7811
diff changeset
2950 {
8068
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
2951 uint64_t last;
7812
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 7811
diff changeset
2952 ngx_quic_connection_t *qc;
8068
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
2953 ngx_quic_crypto_frame_t *f;
7812
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 7811
diff changeset
2954 ngx_quic_frames_stream_t *fs;
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 7811
diff changeset
2955
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 7811
diff changeset
2956 qc = c->quic;
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 7811
diff changeset
2957 fs = &qc->crypto[pkt->level];
8068
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
2958 f = &frame->u.crypto;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
2959
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
2960 /* no overflow since both values are 62-bit */
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
2961 last = f->offset + f->length;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
2962
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
2963 if (last > fs->received && last - fs->received > NGX_QUIC_MAX_BUFFERED) {
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
2964 c->quic->error = NGX_QUIC_ERR_CRYPTO_BUFFER_EXCEEDED;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
2965 return NGX_ERROR;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
2966 }
7812
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 7811
diff changeset
2967
7855
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 7854
diff changeset
2968 return ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_crypto_input,
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 7854
diff changeset
2969 NULL);
7812
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 7811
diff changeset
2970 }
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 7811
diff changeset
2971
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 7811
diff changeset
2972
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 7811
diff changeset
2973 static ngx_int_t
7855
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 7854
diff changeset
2974 ngx_quic_crypto_input(ngx_connection_t *c, ngx_quic_frame_t *frame, void *data)
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2975 {
7996
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7995
diff changeset
2976 int n, sslerr;
8025
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8024
diff changeset
2977 ngx_queue_t *q;
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2978 ngx_ssl_conn_t *ssl_conn;
7870
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 7869
diff changeset
2979 ngx_quic_send_ctx_t *ctx;
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2980 ngx_quic_crypto_frame_t *f;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2981
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2982 f = &frame->u.crypto;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2983
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2984 ssl_conn = c->ssl->connection;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2985
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2986 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
2987 "quic SSL_quic_read_level: %d, SSL_quic_write_level: %d",
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2988 (int) SSL_quic_read_level(ssl_conn),
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2989 (int) SSL_quic_write_level(ssl_conn));
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2990
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2991 if (!SSL_provide_quic_data(ssl_conn, SSL_quic_read_level(ssl_conn),
7810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 7809
diff changeset
2992 f->data, f->length))
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2993 {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2994 ngx_ssl_error(NGX_LOG_INFO, c->log, 0,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2995 "SSL_provide_quic_data() failed");
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2996 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2997 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2998
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
2999 n = SSL_do_handshake(ssl_conn);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3000
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3001 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: 7690
diff changeset
3002
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3003 if (n == -1) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3004 sslerr = SSL_get_error(ssl_conn, n);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3005
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3006 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d",
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3007 sslerr);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3008
7766
23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7765
diff changeset
3009 if (sslerr != SSL_ERROR_WANT_READ) {
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3010 ngx_ssl_error(NGX_LOG_ERR, c->log, 0, "SSL_do_handshake() failed");
7766
23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7765
diff changeset
3011 return NGX_ERROR;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3012 }
7729
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7726
diff changeset
3013
7768
76818c9cdd6f Sending HANDSHAKE_DONE just once with BoringSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7767
diff changeset
3014 } else if (n == 1 && !SSL_in_init(ssl_conn)) {
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3015
7729
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7726
diff changeset
3016 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7765
Sergey Kandaurov <pluknet@nginx.com>
parents: 7760
diff changeset
3017 "quic ssl cipher: %s", SSL_get_cipher(ssl_conn));
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3018
7729
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7726
diff changeset
3019 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
3020 "quic handshake completed successfully");
7739
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 7738
diff changeset
3021
7993
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
3022 c->ssl->handshaked = 1;
8064
11fc65261689 QUIC: disabled bidirectional SSL shutdown after 09fb2135a589.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8063
diff changeset
3023 c->ssl->no_wait_shutdown = 1;
7993
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
3024
7752
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
3025 frame = ngx_quic_alloc_frame(c, 0);
7739
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 7738
diff changeset
3026 if (frame == NULL) {
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 7738
diff changeset
3027 return NGX_ERROR;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 7738
diff changeset
3028 }
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 7738
diff changeset
3029
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 7738
diff changeset
3030 /* 12.4 Frames and frame types, figure 8 */
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 7738
diff changeset
3031 frame->level = ssl_encryption_application;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 7738
diff changeset
3032 frame->type = NGX_QUIC_FT_HANDSHAKE_DONE;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 7738
diff changeset
3033 ngx_sprintf(frame->info, "HANDSHAKE DONE on handshake completed");
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 7738
diff changeset
3034 ngx_quic_queue_frame(c->quic, frame);
7785
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
3035
7861
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
3036 if (ngx_quic_send_new_token(c) != NGX_OK) {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
3037 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
3038 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7860
diff changeset
3039
7785
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
3040 /*
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
3041 * Generating next keys before a key update is received.
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
3042 * See quic-tls 9.4 Header Protection Timing Side-Channels.
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
3043 */
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
3044
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
3045 if (ngx_quic_key_update(c, &c->quic->keys[ssl_encryption_application],
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
3046 &c->quic->next_key)
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
3047 != NGX_OK)
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
3048 {
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
3049 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7782
diff changeset
3050 }
7870
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 7869
diff changeset
3051
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 7869
diff changeset
3052 /*
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 7869
diff changeset
3053 * 4.10.2 An endpoint MUST discard its handshake keys
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 7869
diff changeset
3054 * when the TLS handshake is confirmed
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 7869
diff changeset
3055 */
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 7869
diff changeset
3056 ctx = ngx_quic_get_send_ctx(c->quic, ssl_encryption_handshake);
8025
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8024
diff changeset
3057
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8024
diff changeset
3058 while (!ngx_queue_empty(&ctx->sent)) {
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8024
diff changeset
3059 q = ngx_queue_head(&ctx->sent);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8024
diff changeset
3060 ngx_queue_remove(q);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8024
diff changeset
3061
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8024
diff changeset
3062 frame = ngx_queue_data(q, ngx_quic_frame_t, queue);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8024
diff changeset
3063 ngx_quic_congestion_ack(c, frame);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8024
diff changeset
3064 ngx_quic_free_frame(c, frame);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8024
diff changeset
3065 }
7993
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
3066
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
3067 c->quic->pto_count = 0;
7729
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7726
diff changeset
3068 }
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7726
diff changeset
3069
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3070 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
3071 "quic SSL_quic_read_level: %d, SSL_quic_write_level: %d",
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3072 (int) SSL_quic_read_level(ssl_conn),
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3073 (int) SSL_quic_write_level(ssl_conn));
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3074
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3075 return NGX_OK;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3076 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3077
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3078
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3079 static ngx_int_t
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3080 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: 7810
diff changeset
3081 ngx_quic_frame_t *frame)
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3082 {
8068
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3083 size_t window;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3084 uint64_t last;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3085 ngx_buf_t *b;
8022
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3086 ngx_pool_t *pool;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3087 ngx_connection_t *sc;
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3088 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3089 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3090 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3091 ngx_quic_frames_stream_t *fs;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3092
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3093 qc = c->quic;
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3094 f = &frame->u.stream;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3095
7922
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7919
diff changeset
3096 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: 7919
diff changeset
3097 && (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: 7919
diff changeset
3098 {
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7919
diff changeset
3099 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: 7919
diff changeset
3100 return NGX_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7919
diff changeset
3101 }
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7919
diff changeset
3102
8068
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3103 /* no overflow since both values are 62-bit */
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3104 last = f->offset + f->length;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3105
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3106 sn = ngx_quic_find_stream(&qc->streams.tree, f->stream_id);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3107
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3108 if (sn == NULL) {
8022
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3109 sn = ngx_quic_create_client_stream(c, f->stream_id);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3110
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3111 if (sn == NULL) {
7922
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7919
diff changeset
3112 return NGX_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7919
diff changeset
3113 }
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7919
diff changeset
3114
8022
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3115 if (sn == NGX_QUIC_STREAM_GONE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3116 return NGX_OK;
8014
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
3117 }
7814
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 7813
diff changeset
3118
8022
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3119 sc = sn->c;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3120 fs = &sn->fs;
8068
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3121 b = sn->b;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3122 window = b->end - b->last;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3123
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3124 if (last > window) {
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3125 c->quic->error = NGX_QUIC_ERR_FLOW_CONTROL_ERROR;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3126 goto cleanup;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3127 }
8022
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3128
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3129 if (ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_stream_input,
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3130 sn)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3131 != NGX_OK)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3132 {
8068
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3133 goto cleanup;
7814
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 7813
diff changeset
3134 }
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 7813
diff changeset
3135
8022
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3136 sc->listening->handler(sc);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3137
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3138 return NGX_OK;
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3139 }
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3140
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3141 fs = &sn->fs;
8068
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3142 b = sn->b;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3143 window = (b->pos - b->start) + (b->end - b->last);
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3144
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3145 if (last > fs->received && last - fs->received > window) {
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3146 c->quic->error = NGX_QUIC_ERR_FLOW_CONTROL_ERROR;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3147 return NGX_ERROR;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3148 }
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3149
7855
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 7854
diff changeset
3150 return ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_stream_input,
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 7854
diff changeset
3151 sn);
8068
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3152
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3153 cleanup:
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3154
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3155 pool = sc->pool;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3156
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3157 ngx_close_connection(sc);
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3158 ngx_destroy_pool(pool);
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3159
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8066
diff changeset
3160 return NGX_ERROR;
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3161 }
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3162
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3163
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3164 static ngx_int_t
7855
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 7854
diff changeset
3165 ngx_quic_stream_input(ngx_connection_t *c, ngx_quic_frame_t *frame, void *data)
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3166 {
8019
fc16e303003a QUIC: fixed possible use-after-free on stream cleanup.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8018
diff changeset
3167 uint64_t id;
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3168 ngx_buf_t *b;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3169 ngx_event_t *rev;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3170 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3171 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3172 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3173
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3174 qc = c->quic;
7855
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 7854
diff changeset
3175 sn = data;
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3176
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3177 f = &frame->u.stream;
8019
fc16e303003a QUIC: fixed possible use-after-free on stream cleanup.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8018
diff changeset
3178 id = f->stream_id;
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3179
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3180 b = sn->b;
7814
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 7813
diff changeset
3181
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 7813
diff changeset
3182 if ((size_t) ((b->pos - b->start) + (b->end - b->last)) < f->length) {
7838
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
3183 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7837
diff changeset
3184 "quic no space in stream buffer");
7814
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 7813
diff changeset
3185 return NGX_ERROR;
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 7813
diff changeset
3186 }
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 7813
diff changeset
3187
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 7813
diff changeset
3188 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: 7813
diff changeset
3189 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: 7813
diff changeset
3190 b->pos = b->start;
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 7813
diff changeset
3191 }
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 7813
diff changeset
3192
7748
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
3193 b->last = ngx_cpymem(b->last, f->data, f->length);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3194
7760
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 7759
diff changeset
3195 rev = sn->c->read;
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 7759
diff changeset
3196 rev->ready = 1;
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 7759
diff changeset
3197
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 7759
diff changeset
3198 if (f->fin) {
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 7759
diff changeset
3199 rev->pending_eof = 1;
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 7759
diff changeset
3200 }
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3201
7814
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 7813
diff changeset
3202 if (rev->active) {
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 7813
diff changeset
3203 rev->handler(rev);
7780
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7778
diff changeset
3204 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7778
diff changeset
3205
7814
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 7813
diff changeset
3206 /* check if stream was destroyed by handler */
8019
fc16e303003a QUIC: fixed possible use-after-free on stream cleanup.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8018
diff changeset
3207 if (ngx_quic_find_stream(&qc->streams.tree, id) == NULL) {
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3208 return NGX_DONE;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3209 }
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3210
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3211 return NGX_OK;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3212 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3213
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3214
7711
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 7707
diff changeset
3215 static ngx_int_t
7842
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3216 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: 7841
diff changeset
3217 ngx_quic_max_data_frame_t *f)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3218 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3219 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3220 ngx_rbtree_t *tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3221 ngx_rbtree_node_t *node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3222 ngx_quic_stream_t *qs;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3223 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3224
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3225 qc = c->quic;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3226 tree = &qc->streams.tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3227
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3228 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: 7841
diff changeset
3229 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3230 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3231
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3232 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: 7841
diff changeset
3233
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3234 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: 7841
diff changeset
3235 node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3236 node = ngx_rbtree_next(tree, node))
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3237 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3238 qs = (ngx_quic_stream_t *) node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3239 wev = qs->c->write;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3240
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3241 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3242 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3243 ngx_post_event(wev, &ngx_posted_events);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3244 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3245 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3246 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3247
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3248 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: 7841
diff changeset
3249
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3250 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3251 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3252
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3253
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3254 static ngx_int_t
7711
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 7707
diff changeset
3255 ngx_quic_handle_streams_blocked_frame(ngx_connection_t *c,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 7707
diff changeset
3256 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: 7707
diff changeset
3257 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 7707
diff changeset
3258 return NGX_OK;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 7707
diff changeset
3259 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 7707
diff changeset
3260
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 7707
diff changeset
3261
7732
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3262 static ngx_int_t
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3263 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: 7731
diff changeset
3264 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: 7731
diff changeset
3265 {
7746
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7745
diff changeset
3266 size_t n;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7745
diff changeset
3267 ngx_buf_t *b;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7745
diff changeset
3268 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7745
diff changeset
3269 ngx_quic_stream_t *sn;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7745
diff changeset
3270 ngx_quic_connection_t *qc;
7732
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3271
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3272 qc = c->quic;
7924
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7923
diff changeset
3273
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7923
diff changeset
3274 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: 7923
diff changeset
3275 && (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: 7923
diff changeset
3276 {
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7923
diff changeset
3277 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: 7923
diff changeset
3278 return NGX_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7923
diff changeset
3279 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7923
diff changeset
3280
7732
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3281 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: 7731
diff changeset
3282
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3283 if (sn == NULL) {
8022
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3284 sn = ngx_quic_create_client_stream(c, f->id);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3285
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3286 if (sn == NULL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3287 return NGX_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3288 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3289
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3290 if (sn == NGX_QUIC_STREAM_GONE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3291 return NGX_OK;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3292 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3293
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3294 b = sn->b;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3295 n = b->end - b->last;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3296
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3297 sn->c->listening->handler(sn->c);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3298
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3299 } else {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3300 b = sn->b;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3301 n = sn->fs.received + (b->pos - b->start) + (b->end - b->last);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3302 }
7732
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3303
7752
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
3304 frame = ngx_quic_alloc_frame(c, 0);
7732
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3305 if (frame == NULL) {
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3306 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3307 }
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3308
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3309 frame->level = pkt->level;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3310 frame->type = NGX_QUIC_FT_MAX_STREAM_DATA;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3311 frame->u.max_stream_data.id = f->id;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3312 frame->u.max_stream_data.limit = n;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3313
8018
12576ac9556d QUIC: fixed format specifiers and removed casts.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8017
diff changeset
3314 ngx_sprintf(frame->info, "MAX_STREAM_DATA id:0x%xL limit:%uL level=%d",
12576ac9556d QUIC: fixed format specifiers and removed casts.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8017
diff changeset
3315 frame->u.max_stream_data.id,
12576ac9556d QUIC: fixed format specifiers and removed casts.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8017
diff changeset
3316 frame->u.max_stream_data.limit,
7732
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3317 frame->level);
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3318
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3319 ngx_quic_queue_frame(c->quic, frame);
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3320
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3321 return NGX_OK;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3322 }
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3323
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
3324
7842
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3325 static ngx_int_t
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3326 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: 7841
diff changeset
3327 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: 7841
diff changeset
3328 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3329 uint64_t sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3330 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3331 ngx_quic_stream_t *sn;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3332 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3333
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3334 qc = c->quic;
7924
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7923
diff changeset
3335
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7923
diff changeset
3336 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: 7923
diff changeset
3337 && (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: 7923
diff changeset
3338 {
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7923
diff changeset
3339 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: 7923
diff changeset
3340 return NGX_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7923
diff changeset
3341 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7923
diff changeset
3342
7842
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3343 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: 7841
diff changeset
3344
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3345 if (sn == NULL) {
8022
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3346 sn = ngx_quic_create_client_stream(c, f->id);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3347
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3348 if (sn == NULL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3349 return NGX_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3350 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3351
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3352 if (sn == NGX_QUIC_STREAM_GONE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3353 return NGX_OK;
7924
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7923
diff changeset
3354 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7923
diff changeset
3355
8022
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3356 if (f->limit > sn->send_max_data) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3357 sn->send_max_data = f->limit;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3358 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3359
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3360 sn->c->listening->handler(sn->c);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3361
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
3362 return NGX_OK;
7842
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3363 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3364
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3365 if (f->limit <= sn->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3366 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3367 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3368
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3369 sent = sn->c->sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3370
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3371 if (sent >= sn->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3372 wev = sn->c->write;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3373
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3374 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3375 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3376 ngx_post_event(wev, &ngx_posted_events);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3377 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3378 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3379
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3380 sn->send_max_data = f->limit;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3381
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3382 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3383 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3384
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
3385
7923
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3386 static ngx_int_t
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3387 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: 7922
diff changeset
3388 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: 7922
diff changeset
3389 {
8023
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3390 ngx_event_t *rev;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3391 ngx_connection_t *sc;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3392 ngx_quic_stream_t *sn;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3393 ngx_quic_connection_t *qc;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3394
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3395 qc = c->quic;
7923
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3396
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3397 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3398 && (f->id & NGX_QUIC_STREAM_SERVER_INITIATED))
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3399 {
8023
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3400 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
7923
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3401 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3402 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3403
8023
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3404 sn = ngx_quic_find_stream(&qc->streams.tree, f->id);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3405
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3406 if (sn == NULL) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3407 sn = ngx_quic_create_client_stream(c, f->id);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3408
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3409 if (sn == NULL) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3410 return NGX_ERROR;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3411 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3412
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3413 if (sn == NGX_QUIC_STREAM_GONE) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3414 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3415 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3416
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3417 sc = sn->c;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3418
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3419 rev = sc->read;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3420 rev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3421 rev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3422
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3423 sc->listening->handler(sc);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3424
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3425 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3426 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3427
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3428 rev = sn->c->read;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3429 rev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3430 rev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3431
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3432 if (rev->active) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3433 rev->handler(rev);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3434 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3435
7923
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3436 return NGX_OK;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3437 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3438
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3439
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3440 static ngx_int_t
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3441 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: 7922
diff changeset
3442 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: 7922
diff changeset
3443 {
8023
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3444 ngx_event_t *wev;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3445 ngx_connection_t *sc;
7923
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3446 ngx_quic_stream_t *sn;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3447 ngx_quic_connection_t *qc;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3448
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3449 qc = c->quic;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3450
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3451 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3452 && (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: 7922
diff changeset
3453 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3454 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: 7922
diff changeset
3455 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3456 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3457
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3458 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: 7922
diff changeset
3459
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3460 if (sn == NULL) {
8023
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3461 sn = ngx_quic_create_client_stream(c, f->id);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3462
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3463 if (sn == NULL) {
7923
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3464 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3465 }
8023
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3466
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3467 if (sn == NGX_QUIC_STREAM_GONE) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3468 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3469 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3470
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3471 sc = sn->c;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3472
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3473 wev = sc->write;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3474 wev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3475 wev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3476
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3477 sc->listening->handler(sc);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3478
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3479 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3480 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3481
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3482 wev = sn->c->write;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3483 wev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3484 wev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3485
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3486 if (wev->active) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8022
diff changeset
3487 wev->handler(wev);
7923
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3488 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3489
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3490 return NGX_OK;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3491 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3492
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7922
diff changeset
3493
8013
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3494 static ngx_int_t
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3495 ngx_quic_handle_max_streams_frame(ngx_connection_t *c,
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3496 ngx_quic_header_t *pkt, ngx_quic_max_streams_frame_t *f)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3497 {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3498 ngx_quic_connection_t *qc;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3499
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3500 qc = c->quic;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3501
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3502 if (f->bidi) {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3503 if (qc->streams.server_max_streams_bidi < f->limit) {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3504 qc->streams.server_max_streams_bidi = f->limit;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3505
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3506 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3507 "quic max_streams_bidi:%uL", f->limit);
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3508 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3509
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3510 } else {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3511 if (qc->streams.server_max_streams_uni < f->limit) {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3512 qc->streams.server_max_streams_uni = f->limit;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3513
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3514 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3515 "quic max_streams_uni:%uL", f->limit);
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3516 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3517 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3518
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3519 return NGX_OK;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3520 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3521
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
3522
8069
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3523 static ngx_int_t
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3524 ngx_quic_handle_path_challenge_frame(ngx_connection_t *c,
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3525 ngx_quic_header_t *pkt, ngx_quic_path_challenge_frame_t *f)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3526 {
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3527 ngx_quic_frame_t *frame;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3528
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3529 frame = ngx_quic_alloc_frame(c, 0);
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3530 if (frame == NULL) {
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3531 return NGX_ERROR;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3532 }
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3533
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3534 frame->level = pkt->level;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3535 frame->type = NGX_QUIC_FT_PATH_RESPONSE;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3536 frame->u.path_response = *f;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3537
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3538 ngx_sprintf(frame->info, "PATH_RESPONSE data:0x%xL level:%d",
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3539 *(uint64_t *) &f->data, frame->level);
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3540
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3541 ngx_quic_queue_frame(c->quic, frame);
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3542
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3543 return NGX_OK;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3544 }
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3545
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8068
diff changeset
3546
8076
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3547 static ngx_int_t
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3548 ngx_quic_handle_new_connection_id_frame(ngx_connection_t *c,
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3549 ngx_quic_header_t *pkt, ngx_quic_new_conn_id_frame_t *f)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3550 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3551 ngx_queue_t *q;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3552 ngx_quic_client_id_t *cid, *item;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3553 ngx_quic_connection_t *qc;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3554
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3555 qc = c->quic;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3556
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3557 if (f->seqnum < qc->max_retired_seqnum) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3558 /*
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3559 * An endpoint that receives a NEW_CONNECTION_ID frame with
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3560 * a sequence number smaller than the Retire Prior To field
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3561 * of a previously received NEW_CONNECTION_ID frame MUST send
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3562 * a corresponding RETIRE_CONNECTION_ID frame that retires
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3563 * the newly received connection ID, unless it has already
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3564 * done so for that sequence number.
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3565 */
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3566
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3567 if (ngx_quic_retire_connection_id(c, pkt->level, f->seqnum) != NGX_OK) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3568 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3569 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3570
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3571 goto retire;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3572 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3573
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3574 cid = NULL;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3575
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3576 for (q = ngx_queue_head(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3577 q != ngx_queue_sentinel(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3578 q = ngx_queue_next(q))
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3579 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3580 item = ngx_queue_data(q, ngx_quic_client_id_t, queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3581
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3582 if (item->seqnum == f->seqnum) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3583 cid = item;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3584 break;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3585 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3586 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3587
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3588 if (cid) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3589 /*
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3590 * Transmission errors, timeouts and retransmissions might cause the
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3591 * same NEW_CONNECTION_ID frame to be received multiple times
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3592 */
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3593
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3594 if (cid->len != f->len
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3595 || ngx_strncmp(cid->id, f->cid, f->len) != 0
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3596 || ngx_strncmp(cid->sr_token, f->srt, NGX_QUIC_SRT_LEN) != 0)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3597 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3598 /*
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3599 * ..a sequence number is used for different connection IDs,
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3600 * the endpoint MAY treat that receipt as a connection error
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3601 * of type PROTOCOL_VIOLATION.
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3602 */
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3603 qc->error = NGX_QUIC_ERR_PROTOCOL_VIOLATION;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3604 qc->error_reason = "seqnum refers to different connection id/token";
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3605 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3606 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3607
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3608 } else {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3609
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3610 cid = ngx_quic_alloc_connection_id(c);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3611 if (cid == NULL) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3612 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3613 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3614
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3615 cid->seqnum = f->seqnum;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3616 cid->len = f->len;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3617 ngx_memcpy(cid->id, f->cid, f->len);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3618
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3619 ngx_memcpy(cid->sr_token, f->srt, NGX_QUIC_SRT_LEN);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3620
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3621 ngx_queue_insert_tail(&qc->client_ids, &cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3622 qc->nclient_ids++;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3623
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3624 /* always use latest available connection id */
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3625 if (f->seqnum > qc->curr_seqnum) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3626 qc->scid.len = cid->len;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3627 qc->scid.data = cid->id;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3628 qc->curr_seqnum = f->seqnum;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3629 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3630 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3631
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3632 retire:
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3633
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3634 if (qc->max_retired_seqnum && f->retire <= qc->max_retired_seqnum) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3635 /*
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3636 * Once a sender indicates a Retire Prior To value, smaller values sent
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3637 * in subsequent NEW_CONNECTION_ID frames have no effect. A receiver
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3638 * MUST ignore any Retire Prior To fields that do not increase the
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3639 * largest received Retire Prior To value.
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3640 */
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3641 goto done;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3642 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3643
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3644 qc->max_retired_seqnum = f->retire;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3645
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3646 q = ngx_queue_head(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3647
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3648 while (q != ngx_queue_sentinel(&qc->client_ids)) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3649
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3650 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3651 q = ngx_queue_next(q);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3652
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3653 if (cid->seqnum >= f->retire) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3654 continue;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3655 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3656
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3657 /* this connection id must be retired */
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3658
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3659 if (ngx_quic_retire_connection_id(c, pkt->level, cid->seqnum)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3660 != NGX_OK)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3661 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3662 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3663 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3664
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3665 ngx_queue_remove(&cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3666 ngx_queue_insert_head(&qc->free_client_ids, &cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3667 qc->nclient_ids--;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3668 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3669
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3670 done:
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3671
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3672 if (qc->nclient_ids > qc->tp.active_connection_id_limit) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3673 /*
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3674 * After processing a NEW_CONNECTION_ID frame and
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3675 * adding and retiring active connection IDs, if the number of active
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3676 * connection IDs exceeds the value advertised in its
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3677 * active_connection_id_limit transport parameter, an endpoint MUST
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3678 * close the connection with an error of type CONNECTION_ID_LIMIT_ERROR.
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3679 */
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3680 qc->error = NGX_QUIC_ERR_CONNECTION_ID_LIMIT_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3681 qc->error_reason = "too many connection ids received";
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3682 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3683 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3684
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3685 return NGX_OK;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3686 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3687
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3688
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3689 static ngx_int_t
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3690 ngx_quic_retire_connection_id(ngx_connection_t *c,
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3691 enum ssl_encryption_level_t level, uint64_t seqnum)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3692 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3693 ngx_quic_frame_t *frame;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3694
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3695 frame = ngx_quic_alloc_frame(c, 0);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3696 if (frame == NULL) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3697 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3698 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3699
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3700 frame->level = level;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3701 frame->type = NGX_QUIC_FT_RETIRE_CONNECTION_ID;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3702 frame->u.retire_cid.sequence_number = seqnum;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3703
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3704 ngx_sprintf(frame->info, "RETIRE_CONNECTION_ID seqnum=%uL level=%d",
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3705 seqnum, frame->level);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3706
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3707 ngx_quic_queue_frame(c->quic, frame);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3708
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3709 return NGX_OK;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3710 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3711
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3712
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3713 static ngx_quic_client_id_t *
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3714 ngx_quic_alloc_connection_id(ngx_connection_t *c)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3715 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3716 ngx_queue_t *q;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3717 ngx_quic_client_id_t *cid;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3718 ngx_quic_connection_t *qc;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3719
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3720 qc = c->quic;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3721
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3722 if (!ngx_queue_empty(&qc->free_client_ids)) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3723
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3724 q = ngx_queue_head(&qc->free_client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3725 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3726
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3727 ngx_queue_remove(&cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3728
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3729 ngx_memzero(cid, sizeof(ngx_quic_client_id_t));
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3730
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3731 } else {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3732
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3733 cid = ngx_pcalloc(c->pool, sizeof(ngx_quic_client_id_t));
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3734 if (cid == NULL) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3735 return NULL;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3736 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3737 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3738
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3739 return cid;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3740 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3741
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8074
diff changeset
3742
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3743 static void
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3744 ngx_quic_queue_frame(ngx_quic_connection_t *qc, ngx_quic_frame_t *frame)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3745 {
7808
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
3746 ngx_quic_send_ctx_t *ctx;
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
3747
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
3748 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: 7794
diff changeset
3749
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
3750 ngx_queue_insert_tail(&ctx->frames, &frame->queue);
7775
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 7774
diff changeset
3751
7994
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 7993
diff changeset
3752 frame->len = ngx_quic_create_frame(NULL, frame);
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 7993
diff changeset
3753 /* always succeeds */
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 7993
diff changeset
3754
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 7993
diff changeset
3755 if (qc->closing) {
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 7993
diff changeset
3756 return;
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 7993
diff changeset
3757 }
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 7993
diff changeset
3758
8055
924882f42dea QUIC: do not artificially delay sending queued frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8054
diff changeset
3759 ngx_post_event(&qc->push, &ngx_posted_events);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3760 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3761
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3762
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3763 static ngx_int_t
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3764 ngx_quic_output(ngx_connection_t *c)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3765 {
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3766 ngx_uint_t i;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3767 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3768
7741
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7740
diff changeset
3769 c->log->action = "sending frames";
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7740
diff changeset
3770
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3771 qc = c->quic;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3772
7808
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
3773 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
7809
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 7808
diff changeset
3774 if (ngx_quic_output_frames(c, &qc->send_ctx[i]) != NGX_OK) {
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3775 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3776 }
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3777 }
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3778
7788
d9bc33166361 Do not set timers after the connection is closed.
Vladimir Homutov <vl@nginx.com>
parents: 7787
diff changeset
3779 if (!qc->send_timer_set && !qc->closing) {
7737
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 7736
diff changeset
3780 qc->send_timer_set = 1;
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 7736
diff changeset
3781 ngx_add_timer(c->read, qc->tp.max_idle_timeout);
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 7736
diff changeset
3782 }
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 7736
diff changeset
3783
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3784 return NGX_OK;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3785 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3786
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3787
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3788 static ngx_int_t
7809
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 7808
diff changeset
3789 ngx_quic_output_frames(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx)
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3790 {
7994
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 7993
diff changeset
3791 size_t len, hlen;
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
3792 ngx_uint_t need_ack;
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3793 ngx_queue_t *q, range;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3794 ngx_quic_frame_t *f;
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
3795 ngx_quic_congestion_t *cg;
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3796 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3797
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3798 qc = c->quic;
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
3799 cg = &qc->congestion;
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3800
7808
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
3801 if (ngx_queue_empty(&ctx->frames)) {
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3802 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3803 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3804
7809
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 7808
diff changeset
3805 q = ngx_queue_head(&ctx->frames);
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 7808
diff changeset
3806 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: 7808
diff changeset
3807
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 7808
diff changeset
3808 /* 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: 7808
diff changeset
3809 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: 7808
diff changeset
3810 : NGX_QUIC_MAX_LONG_HEADER;
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3811 hlen += EVP_GCM_TLS_TAG_LEN;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3812
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3813 do {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3814 len = 0;
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
3815 need_ack = 0;
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3816 ngx_queue_init(&range);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3817
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3818 do {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3819 /* process group of frames that fits into packet */
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3820 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3821
7994
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 7993
diff changeset
3822 if (len && hlen + len + f->len > qc->ctp.max_udp_payload_size) {
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3823 break;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3824 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3825
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
3826 if (f->need_ack) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
3827 need_ack = 1;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
3828 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
3829
7994
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 7993
diff changeset
3830 if (need_ack && cg->in_flight + len + f->len > cg->window) {
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
3831 break;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
3832 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
3833
7995
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
3834 if (!qc->validated) {
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
3835 /*
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
3836 * Prior to validation, endpoints are limited in what they
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
3837 * are able to send. During the handshake, a server cannot
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
3838 * send more than three times the data it receives;
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
3839 */
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
3840
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
3841 if (((c->sent + len + f->len) / 3) > qc->received) {
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
3842 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
3843 "quic hit amplification limit"
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
3844 " received %uz sent %O",
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
3845 qc->received, c->sent);
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
3846 break;
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
3847 }
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
3848 }
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 7994
diff changeset
3849
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3850 q = ngx_queue_next(q);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3851
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3852 f->first = ngx_current_msec;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3853
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3854 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3855 ngx_queue_insert_tail(&range, &f->queue);
7994
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 7993
diff changeset
3856
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 7993
diff changeset
3857 len += f->len;
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3858
7808
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
3859 } while (q != ngx_queue_sentinel(&ctx->frames));
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3860
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
3861 if (ngx_queue_empty(&range)) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
3862 break;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
3863 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
3864
7991
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 7990
diff changeset
3865 if (ngx_quic_send_frames(c, ctx, &range) != NGX_OK) {
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3866 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3867 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3868
7808
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
3869 } while (q != ngx_queue_sentinel(&ctx->frames));
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3870
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3871 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3872 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3873
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3874
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3875 static void
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3876 ngx_quic_free_frames(ngx_connection_t *c, ngx_queue_t *frames)
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3877 {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3878 ngx_queue_t *q;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3879 ngx_quic_frame_t *f;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3880
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3881 do {
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3882 q = ngx_queue_head(frames);
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3883
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3884 if (q == ngx_queue_sentinel(frames)) {
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3885 break;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3886 }
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3887
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3888 ngx_queue_remove(q);
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3889
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3890 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3891
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3892 ngx_quic_free_frame(c, f);
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
3893 } while (1);
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3894 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3895
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3896
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3897 static ngx_int_t
7991
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 7990
diff changeset
3898 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: 7990
diff changeset
3899 ngx_queue_t *frames)
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3900 {
7755
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 7754
diff changeset
3901 ssize_t len;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 7754
diff changeset
3902 u_char *p;
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3903 ngx_msec_t now;
7755
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 7754
diff changeset
3904 ngx_str_t out, res;
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3905 ngx_queue_t *q;
7862
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 7861
diff changeset
3906 ngx_ssl_conn_t *ssl_conn;
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3907 ngx_quic_frame_t *f, *start;
7755
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 7754
diff changeset
3908 ngx_quic_header_t pkt;
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
3909 ngx_quic_secrets_t *keys;
7755
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 7754
diff changeset
3910 ngx_quic_connection_t *qc;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 7754
diff changeset
3911 static ngx_str_t initial_token = ngx_null_string;
7910
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7908
diff changeset
3912 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: 7908
diff changeset
3913 static u_char dst[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3914
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
3915 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
3916 "quic ngx_quic_send_frames");
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3917
7862
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 7861
diff changeset
3918 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: 7861
diff changeset
3919
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3920 q = ngx_queue_head(frames);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3921 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3922
7755
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 7754
diff changeset
3923 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3924
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
3925 now = ngx_current_msec;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
3926
7755
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 7754
diff changeset
3927 p = src;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 7754
diff changeset
3928 out.data = src;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3929
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3930 for (q = ngx_queue_head(frames);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3931 q != ngx_queue_sentinel(frames);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3932 q = ngx_queue_next(q))
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3933 {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3934 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3935
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
3936 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
3937 "quic frame out: %s", f->info);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3938
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3939 len = ngx_quic_create_frame(p, f);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3940 if (len == -1) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3941 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3942 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3943
7778
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet.
Vladimir Homutov <vl@nginx.com>
parents: 7777
diff changeset
3944 if (f->need_ack) {
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet.
Vladimir Homutov <vl@nginx.com>
parents: 7777
diff changeset
3945 pkt.need_ack = 1;
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet.
Vladimir Homutov <vl@nginx.com>
parents: 7777
diff changeset
3946 }
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet.
Vladimir Homutov <vl@nginx.com>
parents: 7777
diff changeset
3947
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3948 p += len;
7808
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
3949 f->pnum = ctx->pnum;
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
3950 f->last = now;
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3951 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
3952
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3953 out.len = p - out.data;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3954
7767
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7766
diff changeset
3955 while (out.len < 4) {
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7766
diff changeset
3956 *p++ = NGX_QUIC_FT_PADDING;
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7766
diff changeset
3957 out.len++;
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7766
diff changeset
3958 }
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7766
diff changeset
3959
7755
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 7754
diff changeset
3960 qc = c->quic;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3961
7772
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
3962 keys = &c->quic->keys[start->level];
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
3963
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
3964 pkt.secret = &keys->server;
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 7771
diff changeset
3965
7847
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 7846
diff changeset
3966 pkt.flags = NGX_QUIC_PKT_FIXED_BIT;
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 7846
diff changeset
3967
7755
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 7754
diff changeset
3968 if (start->level == ssl_encryption_initial) {
7847
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 7846
diff changeset
3969 pkt.flags |= NGX_QUIC_PKT_LONG | NGX_QUIC_PKT_INITIAL;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3970 pkt.token = initial_token;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3971
7755
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 7754
diff changeset
3972 } else if (start->level == ssl_encryption_handshake) {
7847
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 7846
diff changeset
3973 pkt.flags |= NGX_QUIC_PKT_LONG | NGX_QUIC_PKT_HANDSHAKE;
7781
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
3974
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
3975 } else {
7847
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 7846
diff changeset
3976 if (c->quic->key_phase) {
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 7846
diff changeset
3977 pkt.flags |= NGX_QUIC_PKT_KPHASE;
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 7846
diff changeset
3978 }
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3979 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3980
7808
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
3981 ngx_quic_set_packet_number(&pkt, ctx);
7781
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
3982
7755
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 7754
diff changeset
3983 pkt.log = c->log;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 7754
diff changeset
3984 pkt.level = start->level;
7821
e0abe17a2878 Removed source/destination swap from the function creating header.
Vladimir Homutov <vl@nginx.com>
parents: 7820
diff changeset
3985 pkt.dcid = qc->scid;
e0abe17a2878 Removed source/destination swap from the function creating header.
Vladimir Homutov <vl@nginx.com>
parents: 7820
diff changeset
3986 pkt.scid = qc->dcid;
7755
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 7754
diff changeset
3987 pkt.payload = out;
7751
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 7750
diff changeset
3988
7755
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 7754
diff changeset
3989 res.data = dst;
7751
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 7750
diff changeset
3990
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
3991 ngx_log_debug6(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
3992 "quic packet ready: %ui bytes at level %d"
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
3993 " need_ack: %d number: %L encoded %d:0x%xD",
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
3994 out.len, start->level, pkt.need_ack, pkt.number,
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
3995 pkt.num_len, pkt.trunc);
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
3996
7862
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 7861
diff changeset
3997 if (ngx_quic_encrypt(&pkt, ssl_conn, &res) != NGX_OK) {
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3998 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
3999 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4000
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4001 len = c->send(c, res.data, res.len);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4002 if (len == NGX_ERROR || (size_t) len != res.len) {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4003 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4004 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4005
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4006 /* len == NGX_OK || NGX_AGAIN */
7808
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
4007 ctx->pnum++;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4008
7991
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 7990
diff changeset
4009 if (pkt.need_ack) {
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 7990
diff changeset
4010 /* move frames into the sent queue to wait for ack */
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 7990
diff changeset
4011
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 7990
diff changeset
4012 if (qc->closing) {
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 7990
diff changeset
4013 /* if we are closing, any ack will be discarded */
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 7990
diff changeset
4014 ngx_quic_free_frames(c, frames);
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 7990
diff changeset
4015
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 7990
diff changeset
4016 } else {
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 7990
diff changeset
4017 ngx_queue_add(&ctx->sent, frames);
7993
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
4018 if (qc->pto.timer_set) {
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
4019 ngx_del_timer(&qc->pto);
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
4020 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 7992
diff changeset
4021 ngx_add_timer(&qc->pto, ngx_quic_pto(c, ctx));
8026
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
4022
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
4023 start->plen = len;
7991
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 7990
diff changeset
4024 }
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 7990
diff changeset
4025
8026
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
4026 qc->congestion.in_flight += len;
7991
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 7990
diff changeset
4027
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 7990
diff changeset
4028 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 7990
diff changeset
4029 "quic congestion send if:%uz",
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 7990
diff changeset
4030 qc->congestion.in_flight);
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 7990
diff changeset
4031 } else {
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 7990
diff changeset
4032 /* 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: 7990
diff changeset
4033 ngx_quic_free_frames(c, frames);
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 7990
diff changeset
4034 }
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 7990
diff changeset
4035
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 7990
diff changeset
4036 return NGX_OK;
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4037 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4038
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4039
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4040 static void
7808
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
4041 ngx_quic_set_packet_number(ngx_quic_header_t *pkt, ngx_quic_send_ctx_t *ctx)
7781
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
4042 {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
4043 uint64_t delta;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
4044
7808
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
4045 delta = ctx->pnum - ctx->largest_ack;
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
4046 pkt->number = ctx->pnum;
7781
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
4047
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
4048 if (delta <= 0x7F) {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
4049 pkt->num_len = 1;
7808
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
4050 pkt->trunc = ctx->pnum & 0xff;
7781
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
4051
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
4052 } else if (delta <= 0x7FFF) {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
4053 pkt->num_len = 2;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
4054 pkt->flags |= 0x1;
7808
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
4055 pkt->trunc = ctx->pnum & 0xffff;
7781
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
4056
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
4057 } else if (delta <= 0x7FFFFF) {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
4058 pkt->num_len = 3;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
4059 pkt->flags |= 0x2;
7808
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
4060 pkt->trunc = ctx->pnum & 0xffffff;
7781
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
4061
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
4062 } else {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
4063 pkt->num_len = 4;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
4064 pkt->flags |= 0x3;
7808
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 7794
diff changeset
4065 pkt->trunc = ctx->pnum & 0xffffffff;
7781
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
4066 }
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
4067 }
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
4068
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
4069
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 7780
diff changeset
4070 static void
7990
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 7989
diff changeset
4071 ngx_quic_pto_handler(ngx_event_t *ev)
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4072 {
8051
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4073 ngx_uint_t i;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4074 ngx_queue_t *q;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4075 ngx_connection_t *c;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4076 ngx_quic_frame_t *start;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4077 ngx_quic_send_ctx_t *ctx;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4078 ngx_quic_connection_t *qc;
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4079
7990
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 7989
diff changeset
4080 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic pto timer");
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4081
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4082 c = ev->data;
8051
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4083 qc = c->quic;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4084
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4085 qc->pto_count++;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4086
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4087 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4088
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4089 ctx = &qc->send_ctx[i];
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4090
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4091 if (ngx_queue_empty(&ctx->sent)) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4092 continue;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4093 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4094
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4095 q = ngx_queue_head(&ctx->sent);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4096 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4097
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4098 if (start->pnum <= ctx->largest_ack
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4099 && ctx->largest_ack != (uint64_t) -1)
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4100 {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4101 continue;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4102 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4103
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4104 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8057
de7d6d943f68 QUIC: fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8056
diff changeset
4105 "quic pto pnum:%uL pto_count:%ui level:%d",
8051
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4106 start->pnum, c->quic->pto_count, start->level);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4107
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4108 if (ngx_quic_resend_frames(c, ctx, start) != NGX_OK) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4109 ngx_quic_close_connection(c, NGX_ERROR);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4110 return;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4111 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4112 }
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4113 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4114
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4115
7775
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 7774
diff changeset
4116 static void
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 7774
diff changeset
4117 ngx_quic_push_handler(ngx_event_t *ev)
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 7774
diff changeset
4118 {
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
4119 ngx_connection_t *c;
7775
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 7774
diff changeset
4120
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
4121 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic push timer");
7775
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 7774
diff changeset
4122
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 7774
diff changeset
4123 c = ev->data;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 7774
diff changeset
4124
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 7774
diff changeset
4125 if (ngx_quic_output(c) != NGX_OK) {
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
4126 ngx_quic_close_connection(c, NGX_ERROR);
7775
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 7774
diff changeset
4127 return;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 7774
diff changeset
4128 }
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 7774
diff changeset
4129 }
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 7774
diff changeset
4130
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 7774
diff changeset
4131
8051
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4132 static
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4133 void ngx_quic_lost_handler(ngx_event_t *ev)
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4134 {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4135 ngx_connection_t *c;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4136
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4137 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic lost timer");
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4138
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4139 c = ev->data;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4140
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4141 if (ngx_quic_detect_lost(c) != NGX_OK) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4142 ngx_quic_close_connection(c, NGX_ERROR);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4143 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4144 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4145
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4146
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4147 static ngx_int_t
8051
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4148 ngx_quic_detect_lost(ngx_connection_t *c)
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4149 {
7992
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4150 ngx_uint_t i;
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4151 ngx_msec_t now, wait, min_wait, thr;
8051
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4152 ngx_queue_t *q;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4153 ngx_quic_frame_t *start;
7992
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4154 ngx_quic_send_ctx_t *ctx;
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4155 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4156
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4157 qc = c->quic;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4158 now = ngx_current_msec;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4159
7992
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4160 min_wait = 0;
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4161
8051
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4162 thr = NGX_QUIC_TIME_THR * ngx_max(qc->latest_rtt, qc->avg_rtt);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4163 thr = ngx_max(thr, NGX_QUIC_TIME_GRANULARITY);
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4164
7992
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4165 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4166
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4167 ctx = &qc->send_ctx[i];
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4168
8053
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8052
diff changeset
4169 if (ctx->largest_ack == (uint64_t) -1) {
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8052
diff changeset
4170 continue;
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8052
diff changeset
4171 }
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8052
diff changeset
4172
8051
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4173 while (!ngx_queue_empty(&ctx->sent)) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4174
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4175 q = ngx_queue_head(&ctx->sent);
7992
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4176 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4177
8053
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8052
diff changeset
4178 if (start->pnum > ctx->largest_ack) {
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8052
diff changeset
4179 break;
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8052
diff changeset
4180 }
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8052
diff changeset
4181
7992
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4182 wait = start->last + thr - now;
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4183
8051
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4184 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
8057
de7d6d943f68 QUIC: fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8056
diff changeset
4185 "quic detect_lost pnum:%uL thr:%M wait:%i level:%d",
8051
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4186 start->pnum, thr, (ngx_int_t) wait, start->level);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4187
8054
355e079c5eee QUIC: do not arm loss detection timer on packet threshold.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8053
diff changeset
4188 if ((ngx_msec_int_t) wait > 0
355e079c5eee QUIC: do not arm loss detection timer on packet threshold.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8053
diff changeset
4189 && ctx->largest_ack - start->pnum < NGX_QUIC_PKT_THR)
355e079c5eee QUIC: do not arm loss detection timer on packet threshold.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8053
diff changeset
4190 {
7992
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4191
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4192 if (min_wait == 0 || wait < min_wait) {
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4193 min_wait = wait;
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4194 }
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4195
8054
355e079c5eee QUIC: do not arm loss detection timer on packet threshold.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8053
diff changeset
4196 break;
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4197 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4198
8051
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4199 if (ngx_quic_resend_frames(c, ctx, start) != NGX_OK) {
7992
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4200 return NGX_ERROR;
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4201 }
8051
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4202 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4203 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4204
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4205 /* no more preceeding packets */
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4206
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4207 if (min_wait == 0) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4208 qc->pto.handler = ngx_quic_pto_handler;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4209 return NGX_OK;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4210 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4211
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4212 qc->pto.handler = ngx_quic_lost_handler;
7992
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4213
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4214 if (qc->pto.timer_set) {
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4215 ngx_del_timer(&qc->pto);
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4216 }
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 7991
diff changeset
4217
8051
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4218 ngx_add_timer(&qc->pto, min_wait);
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4219
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4220 return NGX_OK;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4221 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4222
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4223
8051
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4224 static ngx_int_t
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4225 ngx_quic_resend_frames(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx,
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4226 ngx_quic_frame_t *start)
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4227 {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4228 ngx_queue_t *q, range;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4229 ngx_quic_frame_t *f;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4230
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4231 ngx_queue_init(&range);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4232
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4233 /* send frames with same packet number to the wire */
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4234
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4235 q = ngx_queue_head(&ctx->sent);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4236
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4237 do {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4238 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4239
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4240 if (f->pnum != start->pnum) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4241 break;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4242 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4243
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4244 q = ngx_queue_next(q);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4245
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4246 ngx_queue_remove(&f->queue);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4247 ngx_queue_insert_tail(&range, &f->queue);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4248
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4249 } while (q != ngx_queue_sentinel(&ctx->sent));
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4250
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4251 ngx_quic_congestion_lost(c, start);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4252
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4253 return ngx_quic_send_frames(c, ctx, &range);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4254 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4255
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8050
diff changeset
4256
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4257 ngx_connection_t *
8013
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4258 ngx_quic_open_stream(ngx_connection_t *c, ngx_uint_t bidi)
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4259 {
8013
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4260 size_t rcvbuf_size;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4261 uint64_t id;
7746
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7745
diff changeset
4262 ngx_quic_stream_t *qs, *sn;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7745
diff changeset
4263 ngx_quic_connection_t *qc;
7695
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4264
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4265 qs = c->qs;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4266 qc = qs->parent->quic;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4267
8013
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4268 if (bidi) {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4269 if (qc->streams.server_streams_bidi
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4270 >= qc->streams.server_max_streams_bidi)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4271 {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4272 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4273 "quic too many server bidi streams: %uL",
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4274 qc->streams.server_streams_bidi);
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4275 return NULL;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4276 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4277
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4278 id = (qc->streams.server_streams_bidi << 2)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4279 | NGX_QUIC_STREAM_SERVER_INITIATED;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4280
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4281 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8017
b0e74a54c98b QUIC: consistent Stream ID logging format.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8014
diff changeset
4282 "quic creating server bidi stream %uL/%uL id:0x%xL",
8013
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4283 qc->streams.server_streams_bidi,
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4284 qc->streams.server_max_streams_bidi, id);
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4285
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4286 qc->streams.server_streams_bidi++;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4287 rcvbuf_size = qc->tp.initial_max_stream_data_bidi_local;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4288
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4289 } else {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4290 if (qc->streams.server_streams_uni
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4291 >= qc->streams.server_max_streams_uni)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4292 {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4293 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4294 "quic too many server uni streams: %uL",
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4295 qc->streams.server_streams_uni);
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4296 return NULL;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4297 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4298
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4299 id = (qc->streams.server_streams_uni << 2)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4300 | NGX_QUIC_STREAM_SERVER_INITIATED
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4301 | NGX_QUIC_STREAM_UNIDIRECTIONAL;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4302
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4303 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8017
b0e74a54c98b QUIC: consistent Stream ID logging format.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8014
diff changeset
4304 "quic creating server uni stream %uL/%uL id:0x%xL",
8013
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4305 qc->streams.server_streams_uni,
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4306 qc->streams.server_max_streams_uni, id);
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4307
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4308 qc->streams.server_streams_uni++;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4309 rcvbuf_size = 0;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4310 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4311
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8004
diff changeset
4312 sn = ngx_quic_create_stream(qs->parent, id, rcvbuf_size);
7695
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4313 if (sn == NULL) {
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4314 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4315 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4316
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4317 return sn->c;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4318 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4319
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4320
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4321 static void
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4322 ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4323 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4324 {
7746
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7745
diff changeset
4325 ngx_rbtree_node_t **p;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7745
diff changeset
4326 ngx_quic_stream_t *qn, *qnt;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4327
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4328 for ( ;; ) {
7750
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 7748
diff changeset
4329 qn = (ngx_quic_stream_t *) node;
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 7748
diff changeset
4330 qnt = (ngx_quic_stream_t *) temp;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4331
7750
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 7748
diff changeset
4332 p = (qn->id < qnt->id) ? &temp->left : &temp->right;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4333
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4334 if (*p == sentinel) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4335 break;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4336 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4337
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4338 temp = *p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4339 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4340
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4341 *p = node;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4342 node->parent = temp;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4343 node->left = sentinel;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4344 node->right = sentinel;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4345 ngx_rbt_red(node);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4346 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4347
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4348
7746
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7745
diff changeset
4349 static ngx_quic_stream_t *
7750
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 7748
diff changeset
4350 ngx_quic_find_stream(ngx_rbtree_t *rbtree, uint64_t id)
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4351 {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4352 ngx_rbtree_node_t *node, *sentinel;
7750
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 7748
diff changeset
4353 ngx_quic_stream_t *qn;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4354
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4355 node = rbtree->root;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4356 sentinel = rbtree->sentinel;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4357
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4358 while (node != sentinel) {
7750
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 7748
diff changeset
4359 qn = (ngx_quic_stream_t *) node;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4360
7750
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 7748
diff changeset
4361 if (id == qn->id) {
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 7748
diff changeset
4362 return qn;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4363 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4364
7750
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 7748
diff changeset
4365 node = (id < qn->id) ? node->left : node->right;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4366 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4367
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4368 return NULL;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4369 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4370
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4371
7746
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7745
diff changeset
4372 static ngx_quic_stream_t *
8022
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4373 ngx_quic_create_client_stream(ngx_connection_t *c, uint64_t id)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4374 {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4375 size_t n;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4376 uint64_t min_id;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4377 ngx_quic_stream_t *sn;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4378 ngx_quic_connection_t *qc;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4379
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4380 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4381 "quic stream id 0x%xL is new", id);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4382
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4383 qc = c->quic;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4384
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4385 if (id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4386
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4387 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4388 if ((id >> 2) < qc->streams.server_streams_uni) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4389 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4390 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4391
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4392 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4393 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4394 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4395
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4396 if ((id >> 2) < qc->streams.client_streams_uni) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4397 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4398 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4399
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4400 if ((id >> 2) >= qc->streams.client_max_streams_uni) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4401 qc->error = NGX_QUIC_ERR_STREAM_LIMIT_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4402 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4403 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4404
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4405 min_id = (qc->streams.client_streams_uni << 2)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4406 | NGX_QUIC_STREAM_UNIDIRECTIONAL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4407 qc->streams.client_streams_uni = (id >> 2) + 1;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4408 n = qc->tp.initial_max_stream_data_uni;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4409
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4410 } else {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4411
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4412 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4413 if ((id >> 2) < qc->streams.server_streams_bidi) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4414 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4415 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4416
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4417 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4418 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4419 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4420
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4421 if ((id >> 2) < qc->streams.client_streams_bidi) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4422 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4423 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4424
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4425 if ((id >> 2) >= qc->streams.client_max_streams_bidi) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4426 qc->error = NGX_QUIC_ERR_STREAM_LIMIT_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4427 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4428 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4429
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4430 min_id = (qc->streams.client_streams_bidi << 2);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4431 qc->streams.client_streams_bidi = (id >> 2) + 1;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4432 n = qc->tp.initial_max_stream_data_bidi_remote;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4433 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4434
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4435 if (n < NGX_QUIC_STREAM_BUFSIZE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4436 n = NGX_QUIC_STREAM_BUFSIZE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4437 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4438
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4439 /*
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4440 * 2.1. Stream Types and Identifiers
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4441 *
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4442 * Within each type, streams are created with numerically increasing
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4443 * stream IDs. A stream ID that is used out of order results in all
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4444 * streams of that type with lower-numbered stream IDs also being
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4445 * opened.
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4446 */
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4447
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4448 for ( /* void */ ; min_id < id; min_id += 0x04) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4449
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4450 sn = ngx_quic_create_stream(c, min_id, n);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4451 if (sn == NULL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4452 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4453 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4454
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4455 sn->c->listening->handler(sn->c);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4456 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4457
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4458 return ngx_quic_create_stream(c, id, n);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4459 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4460
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4461
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8021
diff changeset
4462 static ngx_quic_stream_t *
7748
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4463 ngx_quic_create_stream(ngx_connection_t *c, uint64_t id, size_t rcvbuf_size)
7695
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4464 {
7842
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
4465 ngx_log_t *log;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
4466 ngx_pool_t *pool;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
4467 ngx_quic_stream_t *sn;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
4468 ngx_pool_cleanup_t *cln;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
4469 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
4470
8014
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4471 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8017
b0e74a54c98b QUIC: consistent Stream ID logging format.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8014
diff changeset
4472 "quic stream id 0x%xL create", id);
8014
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4473
7842
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
4474 qc = c->quic;
7695
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4475
7748
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4476 pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, c->log);
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4477 if (pool == NULL) {
7695
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4478 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4479 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4480
7748
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4481 sn = ngx_pcalloc(pool, sizeof(ngx_quic_stream_t));
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4482 if (sn == NULL) {
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4483 ngx_destroy_pool(pool);
7695
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4484 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4485 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4486
7748
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4487 sn->node.key = id;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4488 sn->parent = c;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4489 sn->id = id;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4490
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4491 sn->b = ngx_create_temp_buf(pool, rcvbuf_size);
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4492 if (sn->b == NULL) {
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4493 ngx_destroy_pool(pool);
7695
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4494 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4495 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4496
7811
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
4497 ngx_queue_init(&sn->fs.frames);
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 7810
diff changeset
4498
7695
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4499 log = ngx_palloc(pool, sizeof(ngx_log_t));
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4500 if (log == NULL) {
7748
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4501 ngx_destroy_pool(pool);
7695
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4502 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4503 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4504
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4505 *log = *c->log;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4506 pool->log = log;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4507
7748
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4508 sn->c = ngx_get_connection(-1, log);
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4509 if (sn->c == NULL) {
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4510 ngx_destroy_pool(pool);
7695
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4511 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4512 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4513
7746
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7745
diff changeset
4514 sn->c->qs = sn;
8000
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 7999
diff changeset
4515 sn->c->type = SOCK_STREAM;
7748
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4516 sn->c->pool = pool;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4517 sn->c->ssl = c->ssl;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4518 sn->c->sockaddr = c->sockaddr;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4519 sn->c->listening = c->listening;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4520 sn->c->addr_text = c->addr_text;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4521 sn->c->local_sockaddr = c->local_sockaddr;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4522 sn->c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1);
7695
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4523
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4524 sn->c->recv = ngx_quic_stream_recv;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4525 sn->c->send = ngx_quic_stream_send;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4526 sn->c->send_chain = ngx_quic_stream_send_chain;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4527
7997
b250b515e5b6 QUIC: fixed stream read event log.
Roman Arutyunyan <arut@nginx.com>
parents: 7996
diff changeset
4528 sn->c->read->log = log;
b250b515e5b6 QUIC: fixed stream read event log.
Roman Arutyunyan <arut@nginx.com>
parents: 7996
diff changeset
4529 sn->c->write->log = log;
7748
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4530
7839
44cac24aaa44 Assign connection number to every QUIC stream log.
Roman Arutyunyan <arut@nginx.com>
parents: 7838
diff changeset
4531 log->connection = sn->c->number;
44cac24aaa44 Assign connection number to every QUIC stream log.
Roman Arutyunyan <arut@nginx.com>
parents: 7838
diff changeset
4532
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
4533 if ((id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
4534 || (id & NGX_QUIC_STREAM_SERVER_INITIATED))
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
4535 {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
4536 sn->c->write->ready = 1;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
4537 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
4538
7842
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
4539 if (id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
4540 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
4541 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: 7841
diff changeset
4542 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
4543
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
4544 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
4545 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
4546 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: 7841
diff changeset
4547 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
4548 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: 7841
diff changeset
4549 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
4550 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
4551
7705
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4552 cln = ngx_pool_cleanup_add(pool, 0);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4553 if (cln == NULL) {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4554 ngx_close_connection(sn->c);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4555 ngx_destroy_pool(pool);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4556 return NULL;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4557 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4558
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4559 cln->handler = ngx_quic_stream_cleanup_handler;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4560 cln->data = sn->c;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4561
7748
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4562 ngx_rbtree_insert(&c->quic->streams.tree, &sn->node);
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 7747
diff changeset
4563
7695
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4564 return sn;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4565 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4566
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 7691
diff changeset
4567
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4568 static ssize_t
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4569 ngx_quic_stream_recv(ngx_connection_t *c, u_char *buf, size_t size)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4570 {
7815
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4571 ssize_t len;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4572 ngx_buf_t *b;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4573 ngx_event_t *rev;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4574 ngx_connection_t *pc;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4575 ngx_quic_frame_t *frame;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4576 ngx_quic_stream_t *qs;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4577 ngx_quic_connection_t *qc;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4578
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4579 qs = c->qs;
7746
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7745
diff changeset
4580 b = qs->b;
7815
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4581 pc = qs->parent;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4582 qc = pc->quic;
7745
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7744
diff changeset
4583 rev = c->read;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4584
8021
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8020
diff changeset
4585 if (rev->error) {
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8020
diff changeset
4586 return NGX_ERROR;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8020
diff changeset
4587 }
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8020
diff changeset
4588
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
4589 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
7996
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7995
diff changeset
4590 "quic stream id 0x%xL recv: eof:%d, avail:%z",
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
4591 qs->id, rev->pending_eof, b->last - b->pos);
7745
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7744
diff changeset
4592
7732
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
4593 if (b->pos == b->last) {
7745
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7744
diff changeset
4594 rev->ready = 0;
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7744
diff changeset
4595
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7744
diff changeset
4596 if (rev->pending_eof) {
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7744
diff changeset
4597 rev->eof = 1;
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7744
diff changeset
4598 return 0;
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7744
diff changeset
4599 }
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7744
diff changeset
4600
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
4601 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7996
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7995
diff changeset
4602 "quic stream id 0x%xL recv() not ready", qs->id);
7732
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
4603 return NGX_AGAIN;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4604 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4605
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4606 len = ngx_min(b->last - b->pos, (ssize_t) size);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4607
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4608 ngx_memcpy(buf, b->pos, len);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4609
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4610 b->pos += len;
7842
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
4611 qc->streams.received += len;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4612
7732
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
4613 if (b->pos == b->last) {
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
4614 b->pos = b->start;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
4615 b->last = b->start;
7760
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 7759
diff changeset
4616 rev->ready = rev->pending_eof;
7732
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
4617 }
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 7731
diff changeset
4618
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
4619 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
7996
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7995
diff changeset
4620 "quic stream id 0x%xL recv: %z of %uz", qs->id, len, size);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4621
7815
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4622 if (!rev->pending_eof) {
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4623 frame = ngx_quic_alloc_frame(pc, 0);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4624 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4625 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4626 }
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4627
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4628 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4629 frame->type = NGX_QUIC_FT_MAX_STREAM_DATA;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4630 frame->u.max_stream_data.id = qs->id;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4631 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: 7814
diff changeset
4632 + (b->end - b->last);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4633
8017
b0e74a54c98b QUIC: consistent Stream ID logging format.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8014
diff changeset
4634 ngx_sprintf(frame->info,
8018
12576ac9556d QUIC: fixed format specifiers and removed casts.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8017
diff changeset
4635 "MAX_STREAM_DATA id:0x%xL limit:%uL l=%d on recv",
12576ac9556d QUIC: fixed format specifiers and removed casts.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8017
diff changeset
4636 frame->u.max_stream_data.id,
12576ac9556d QUIC: fixed format specifiers and removed casts.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8017
diff changeset
4637 frame->u.max_stream_data.limit,
7815
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4638 frame->level);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4639
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4640 ngx_quic_queue_frame(pc->quic, frame);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4641 }
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4642
7842
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
4643 if ((qc->streams.recv_max_data / 2) < qc->streams.received) {
7815
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4644
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4645 frame = ngx_quic_alloc_frame(pc, 0);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4646
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4647 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4648 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4649 }
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4650
7842
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
4651 qc->streams.recv_max_data *= 2;
7815
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4652
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4653 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4654 frame->type = NGX_QUIC_FT_MAX_DATA;
7842
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
4655 frame->u.max_data.max_data = qc->streams.recv_max_data;
7815
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4656
8018
12576ac9556d QUIC: fixed format specifiers and removed casts.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8017
diff changeset
4657 ngx_sprintf(frame->info, "MAX_DATA max_data:%uL level=%d on recv",
12576ac9556d QUIC: fixed format specifiers and removed casts.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8017
diff changeset
4658 frame->u.max_data.max_data, frame->level);
7815
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4659
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4660 ngx_quic_queue_frame(pc->quic, frame);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4661
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
4662 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
7996
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7995
diff changeset
4663 "quic stream id 0x%xL recv: increased max data: %uL",
7842
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 7841
diff changeset
4664 qs->id, qc->streams.recv_max_data);
7815
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4665 }
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 7814
diff changeset
4666
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4667 return len;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4668 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4669
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4670
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4671 static ssize_t
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4672 ngx_quic_stream_send(ngx_connection_t *c, u_char *buf, size_t size)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4673 {
8027
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4674 ngx_buf_t b;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4675 ngx_chain_t cl;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4676
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4677 ngx_memzero(&b, sizeof(ngx_buf_t));
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4678
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4679 b.memory = 1;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4680 b.pos = buf;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4681 b.last = buf + size;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4682
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4683 cl.buf = &b;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4684 cl.next = NULL;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4685
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4686 if (ngx_quic_stream_send_chain(c, &cl, 0) == NGX_CHAIN_ERROR) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4687 return NGX_ERROR;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4688 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4689
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4690 if (b.pos == buf) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4691 return NGX_AGAIN;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4692 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4693
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4694 return b.pos - buf;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4695 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4696
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4697
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4698 static ngx_chain_t *
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4699 ngx_quic_stream_send_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4700 {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4701 u_char *p;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4702 size_t n, max, max_frame, max_flow, max_limit, len;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4703 #if (NGX_DEBUG)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4704 size_t sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4705 #endif
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4706 ngx_buf_t *b;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4707 #if (NGX_DEBUG)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4708 ngx_uint_t nframes;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4709 #endif
8021
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8020
diff changeset
4710 ngx_event_t *wev;
8027
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4711 ngx_chain_t *cl;
7746
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7745
diff changeset
4712 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7745
diff changeset
4713 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7745
diff changeset
4714 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7745
diff changeset
4715 ngx_quic_connection_t *qc;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4716
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4717 qs = c->qs;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4718 pc = qs->parent;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4719 qc = pc->quic;
8021
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8020
diff changeset
4720 wev = c->write;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8020
diff changeset
4721
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8020
diff changeset
4722 if (wev->error) {
8027
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4723 return NGX_CHAIN_ERROR;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4724 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4725
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4726 max_frame = ngx_quic_max_stream_frame(qc);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4727 max_flow = ngx_quic_max_stream_flow(c);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4728 max_limit = limit;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4729
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4730 #if (NGX_DEBUG)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4731 sent = 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4732 nframes = 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4733 #endif
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4734
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4735 for ( ;; ) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4736 max = ngx_min(max_frame, max_flow);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4737
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4738 if (limit) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4739 max = ngx_min(max, max_limit);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4740 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4741
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4742 for (cl = in, n = 0; in; in = in->next) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4743
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4744 if (!ngx_buf_in_memory(in->buf)) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4745 continue;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4746 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4747
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4748 n += ngx_buf_size(in->buf);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4749
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4750 if (n > max) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4751 n = max;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4752 break;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4753 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4754 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4755
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4756 if (n == 0) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4757 wev->ready = (max_flow ? 1 : 0);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4758 break;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4759 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4760
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4761 frame = ngx_quic_alloc_frame(pc, n);
7822
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
4762 if (frame == NULL) {
8027
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4763 return NGX_CHAIN_ERROR;
7822
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
4764 }
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
4765
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
4766 frame->level = ssl_encryption_application;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
4767 frame->type = NGX_QUIC_FT_STREAM6; /* OFF=1 LEN=1 FIN=0 */
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
4768 frame->u.stream.off = 1;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
4769 frame->u.stream.len = 1;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
4770 frame->u.stream.fin = 0;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
4771
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
4772 frame->u.stream.type = frame->type;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
4773 frame->u.stream.stream_id = qs->id;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
4774 frame->u.stream.offset = c->sent;
8027
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4775 frame->u.stream.length = n;
7822
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
4776 frame->u.stream.data = frame->data;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
4777
8079
dcbb58e7ed11 QUIC: added logging output stream frame offset.
Roman Arutyunyan <arut@nginx.com>
parents: 8078
diff changeset
4778 ngx_sprintf(frame->info, "STREAM id:0x%xL offset:%O len:%uz level:%d",
dcbb58e7ed11 QUIC: added logging output stream frame offset.
Roman Arutyunyan <arut@nginx.com>
parents: 8078
diff changeset
4779 qs->id, c->sent, n, frame->level);
8027
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4780
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4781 c->sent += n;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4782 qc->streams.sent += n;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4783 max_flow -= n;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4784
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4785 if (limit) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4786 max_limit -= n;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4787 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4788
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4789 #if (NGX_DEBUG)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4790 sent += n;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4791 nframes++;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4792 #endif
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4793
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4794 for (p = frame->data; n > 0; cl = cl->next) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4795 b = cl->buf;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4796
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4797 if (!ngx_buf_in_memory(b)) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4798 continue;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4799 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4800
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4801 len = ngx_min(n, (size_t) (b->last - b->pos));
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4802 p = ngx_cpymem(p, b->pos, len);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4803
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4804 b->pos += len;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4805 n -= len;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4806 }
7822
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
4807
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 7821
diff changeset
4808 ngx_quic_queue_frame(qc, frame);
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4809 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4810
8027
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4811 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4812 "quic send_chain sent:%uz, frames:%ui", sent, nframes);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4813
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4814 return in;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4815 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4816
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4817
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4818 static size_t
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4819 ngx_quic_max_stream_frame(ngx_quic_connection_t *qc)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4820 {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4821 /*
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4822 * we need to fit at least 1 frame into a packet, thus account head/tail;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4823 * 25 = 1 + 8x3 is max header for STREAM frame, with 1 byte for frame type
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4824 */
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4825
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4826 return qc->ctp.max_udp_payload_size - NGX_QUIC_MAX_SHORT_HEADER - 25
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4827 - EVP_GCM_TLS_TAG_LEN;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4828 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4829
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4830
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4831 static size_t
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4832 ngx_quic_max_stream_flow(ngx_connection_t *c)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4833 {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4834 size_t size;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4835 uint64_t sent, unacked;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4836 ngx_quic_stream_t *qs;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4837 ngx_quic_connection_t *qc;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4838
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4839 qs = c->qs;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4840 qc = qs->parent->quic;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4841
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4842 size = NGX_QUIC_STREAM_BUFSIZE;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4843 sent = c->sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4844 unacked = sent - qs->acked;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4845
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4846 if (qc->streams.send_max_data == 0) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4847 qc->streams.send_max_data = qc->ctp.initial_max_data;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4848 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4849
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4850 if (unacked >= NGX_QUIC_STREAM_BUFSIZE) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4851 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4852 "quic send flow hit buffer size");
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4853 return 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4854 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4855
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4856 if (unacked + size > NGX_QUIC_STREAM_BUFSIZE) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4857 size = NGX_QUIC_STREAM_BUFSIZE - unacked;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4858 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4859
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4860 if (qc->streams.sent >= qc->streams.send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4861 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4862 "quic send flow hit MAX_DATA");
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4863 return 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4864 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4865
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4866 if (qc->streams.sent + size > qc->streams.send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4867 size = qc->streams.send_max_data - qc->streams.sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4868 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4869
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4870 if (sent >= qs->send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4871 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4872 "quic send flow hit MAX_STREAM_DATA");
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4873 return 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4874 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4875
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4876 if (sent + size > qs->send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4877 size = qs->send_max_data - sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4878 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4879
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4880 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4881 "quic send flow: %uz", size);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4882
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8026
diff changeset
4883 return size;
7691
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4884 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4885
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 7690
diff changeset
4886
7705
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4887 static void
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4888 ngx_quic_stream_cleanup_handler(void *data)
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4889 {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4890 ngx_connection_t *c = data;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4891
7746
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7745
diff changeset
4892 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7745
diff changeset
4893 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7745
diff changeset
4894 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 7745
diff changeset
4895 ngx_quic_connection_t *qc;
7705
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4896
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4897 qs = c->qs;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4898 pc = qs->parent;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4899 qc = pc->quic;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4900
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
4901 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7996
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7995
diff changeset
4902 "quic stream id 0x%xL cleanup", qs->id);
7747
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 7746
diff changeset
4903
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 7746
diff changeset
4904 ngx_rbtree_delete(&qc->streams.tree, &qs->node);
7825
d42b50d239f4 Fixed memory leak with reordered stream frames.
Vladimir Homutov <vl@nginx.com>
parents: 7823
diff changeset
4905 ngx_quic_free_frames(pc, &qs->fs.frames);
7747
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 7746
diff changeset
4906
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 7746
diff changeset
4907 if (qc->closing) {
7832
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 7831
diff changeset
4908 /* schedule handler call to continue ngx_quic_close_connection() */
7747
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 7746
diff changeset
4909 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: 7746
diff changeset
4910 return;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 7746
diff changeset
4911 }
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 7746
diff changeset
4912
8066
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8064
diff changeset
4913 if ((qs->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8064
diff changeset
4914 || (qs->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0)
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8064
diff changeset
4915 {
8077
62db595a86b5 QUIC: do not send STOP_SENDING after STREAM fin.
Roman Arutyunyan <arut@nginx.com>
parents: 8076
diff changeset
4916 if (!c->read->pending_eof && !c->read->error) {
8066
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8064
diff changeset
4917 frame = ngx_quic_alloc_frame(pc, 0);
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8064
diff changeset
4918 if (frame == NULL) {
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8064
diff changeset
4919 return;
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8064
diff changeset
4920 }
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8064
diff changeset
4921
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8064
diff changeset
4922 frame->level = ssl_encryption_application;
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8064
diff changeset
4923 frame->type = NGX_QUIC_FT_STOP_SENDING;
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8064
diff changeset
4924 frame->u.stop_sending.id = qs->id;
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8064
diff changeset
4925 frame->u.stop_sending.error_code = 0x100; /* HTTP/3 no error */
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8064
diff changeset
4926
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8064
diff changeset
4927 ngx_sprintf(frame->info, "STOP_SENDING id:0x%xL err:0x%xL level:%d",
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8064
diff changeset
4928 qs->id, frame->u.stop_sending.error_code, frame->level);
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8064
diff changeset
4929
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8064
diff changeset
4930 ngx_quic_queue_frame(qc, frame);
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8064
diff changeset
4931 }
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8064
diff changeset
4932 }
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8064
diff changeset
4933
8014
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4934 if ((qs->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0) {
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4935 frame = ngx_quic_alloc_frame(pc, 0);
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4936 if (frame == NULL) {
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4937 return;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4938 }
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4939
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4940 frame->level = ssl_encryption_application;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4941 frame->type = NGX_QUIC_FT_MAX_STREAMS;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4942
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4943 if (qs->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4944 frame->u.max_streams.limit = ++qc->streams.client_max_streams_uni;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4945 frame->u.max_streams.bidi = 0;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4946
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4947 } else {
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4948 frame->u.max_streams.limit = ++qc->streams.client_max_streams_bidi;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4949 frame->u.max_streams.bidi = 1;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4950 }
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4951
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4952 ngx_sprintf(frame->info, "MAX_STREAMS limit:%uL bidi:%ui level=%d",
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4953 frame->u.max_streams.limit,
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4954 frame->u.max_streams.bidi,
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4955 (int) frame->level);
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4956
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4957 ngx_quic_queue_frame(qc, frame);
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4958
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4959 if (qs->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4960 /* do not send fin for client unidirectional streams */
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4961 return;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8013
diff changeset
4962 }
7705
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4963 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4964
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
4965 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7996
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7995
diff changeset
4966 "quic stream id 0x%xL send fin", qs->id);
7705
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4967
7752
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
4968 frame = ngx_quic_alloc_frame(pc, 0);
7705
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4969 if (frame == NULL) {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4970 return;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4971 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4972
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4973 frame->level = ssl_encryption_application;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4974 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: 7703
diff changeset
4975 frame->u.stream.off = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4976 frame->u.stream.len = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4977 frame->u.stream.fin = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4978
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4979 frame->u.stream.type = frame->type;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4980 frame->u.stream.stream_id = qs->id;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4981 frame->u.stream.offset = c->sent;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4982 frame->u.stream.length = 0;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4983 frame->u.stream.data = NULL;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4984
8079
dcbb58e7ed11 QUIC: added logging output stream frame offset.
Roman Arutyunyan <arut@nginx.com>
parents: 8078
diff changeset
4985 ngx_sprintf(frame->info, "STREAM id:0x%xL offset:%O fin:1 level:%d",
dcbb58e7ed11 QUIC: added logging output stream frame offset.
Roman Arutyunyan <arut@nginx.com>
parents: 8078
diff changeset
4986 qs->id, c->sent, frame->level);
7705
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4987
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4988 ngx_quic_queue_frame(qc, frame);
7759
1ec905f4d851 Push QUIC stream frames in send() and cleanup handler.
Roman Arutyunyan <arut@nginx.com>
parents: 7756
diff changeset
4989
1ec905f4d851 Push QUIC stream frames in send() and cleanup handler.
Roman Arutyunyan <arut@nginx.com>
parents: 7756
diff changeset
4990 (void) ngx_quic_output(pc);
7705
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4991 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4992
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 7703
diff changeset
4993
7752
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
4994 static ngx_quic_frame_t *
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
4995 ngx_quic_alloc_frame(ngx_connection_t *c, size_t size)
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
4996 {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
4997 u_char *p;
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
4998 ngx_queue_t *q;
7752
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
4999 ngx_quic_frame_t *frame;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5000 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5001
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5002 if (size) {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5003 p = ngx_alloc(size, c->log);
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5004 if (p == NULL) {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5005 return NULL;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5006 }
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5007
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5008 } else {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5009 p = NULL;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5010 }
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5011
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5012 qc = c->quic;
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
5013
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
5014 if (!ngx_queue_empty(&qc->free_frames)) {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
5015
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
5016 q = ngx_queue_head(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
5017 frame = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
5018
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
5019 ngx_queue_remove(&frame->queue);
7752
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5020
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
5021 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
7752
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5022 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
5023 "quic reuse frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
5024 #endif
7752
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5025
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5026 } else {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5027 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5028 if (frame == NULL) {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5029 ngx_free(p);
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5030 return NULL;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5031 }
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5032
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5033 #if (NGX_DEBUG)
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5034 ++qc->nframes;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5035 #endif
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5036
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
5037 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
7752
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5038 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
5039 "quic alloc frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
5040 #endif
7752
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5041 }
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5042
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5043 ngx_memzero(frame, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5044
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5045 frame->data = p;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5046
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5047 return frame;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5048 }
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5049
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5050
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5051 static void
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5052 ngx_quic_congestion_ack(ngx_connection_t *c, ngx_quic_frame_t *f)
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5053 {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5054 ngx_msec_t timer;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5055 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5056 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5057
8026
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
5058 if (f->plen == 0) {
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
5059 return;
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
5060 }
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
5061
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5062 qc = c->quic;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5063 cg = &qc->congestion;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5064
8026
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
5065 cg->in_flight -= f->plen;
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5066
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5067 timer = f->last - cg->recovery_start;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5068
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5069 if ((ngx_msec_int_t) timer <= 0) {
8026
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
5070 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
5071 "quic congestion ack recovery win:%uz, ss:%uz, if:%uz",
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
5072 cg->window, cg->ssthresh, cg->in_flight);
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
5073
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5074 return;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5075 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5076
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5077 if (cg->window < cg->ssthresh) {
8026
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
5078 cg->window += f->plen;
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5079
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5080 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5081 "quic congestion slow start win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5082 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5083
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5084 } else {
8026
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
5085 cg->window += qc->tp.max_udp_payload_size * f->plen / cg->window;
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5086
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5087 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5088 "quic congestion avoidance win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5089 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5090 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5091
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5092 /* prevent recovery_start from wrapping */
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5093
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5094 timer = cg->recovery_start - ngx_current_msec + qc->tp.max_idle_timeout * 2;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5095
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5096 if ((ngx_msec_int_t) timer < 0) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5097 cg->recovery_start = ngx_current_msec - qc->tp.max_idle_timeout * 2;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5098 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5099 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5100
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5101
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5102 static void
8026
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
5103 ngx_quic_congestion_lost(ngx_connection_t *c, ngx_quic_frame_t *f)
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5104 {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5105 ngx_msec_t timer;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5106 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5107 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5108
8026
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
5109 if (f->plen == 0) {
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
5110 return;
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
5111 }
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
5112
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5113 qc = c->quic;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5114 cg = &qc->congestion;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5115
8026
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
5116 cg->in_flight -= f->plen;
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
5117
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
5118 timer = f->last - cg->recovery_start;
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5119
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5120 if ((ngx_msec_int_t) timer <= 0) {
8026
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
5121 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
5122 "quic congestion lost recovery win:%uz, ss:%uz, if:%uz",
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
5123 cg->window, cg->ssthresh, cg->in_flight);
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8025
diff changeset
5124
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5125 return;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5126 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5127
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5128 cg->recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5129 cg->window /= 2;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5130
7910
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7908
diff changeset
5131 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: 7908
diff changeset
5132 cg->window = qc->tp.max_udp_payload_size * 2;
7841
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5133 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5134
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5135 cg->ssthresh = cg->window;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5136
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5137 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5138 "quic congestion lost win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5139 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5140 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5141
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5142
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 7840
diff changeset
5143 static void
7752
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5144 ngx_quic_free_frame(ngx_connection_t *c, ngx_quic_frame_t *frame)
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5145 {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5146 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5147
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5148 qc = c->quic;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5149
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5150 if (frame->data) {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5151 ngx_free(frame->data);
7871
df18ae7161b8 Assorted fixes.
Sergey Kandaurov <pluknet@nginx.com>
parents: 7870
diff changeset
5152 frame->data = NULL;
7752
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5153 }
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5154
7774
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 7773
diff changeset
5155 ngx_queue_insert_head(&qc->free_frames, &frame->queue);
7752
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5156
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
5157 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
7752
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5158 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
7836
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
5159 "quic free frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 7833
diff changeset
5160 #endif
7752
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 7751
diff changeset
5161 }