annotate src/event/ngx_event_quic.c @ 8556:b383120afca3 quic

QUIC: resend frames by moving them to output queue. Previously, when a packet was declared lost, another packet was sent with the same frames. Now lost frames are moved to the output frame queue and push event is posted. This has the advantage of forming packets with more frames than before. Also, the start argument is removed from the ngx_quic_resend_frames() function as excess information.
author Roman Arutyunyan <arut@nginx.com>
date Wed, 30 Sep 2020 20:23:16 +0100
parents dbcb9d0a3df1
children 2727d402e5a5
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1
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2 /*
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3 * Copyright (C) Nginx, Inc.
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_event.h>
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10 #include <ngx_event_quic_transport.h>
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11 #include <ngx_event_quic_protection.h>
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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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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;
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43
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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;
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48
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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;
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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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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
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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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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
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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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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 {
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91 ngx_str_t scid; /* initial client ID */
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92 ngx_str_t dcid; /* server (our own) ID */
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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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96 ngx_queue_t client_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;
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101
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102 ngx_uint_t client_tp_done;
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103 ngx_quic_tp_t tp;
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104 ngx_quic_tp_t ctp;
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105
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106 ngx_quic_send_ctx_t send_ctx[NGX_QUIC_SEND_CTX_LAST];
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107 ngx_quic_secrets_t keys[NGX_QUIC_ENCRYPTION_LAST];
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108 ngx_quic_secrets_t next_key;
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109 ngx_quic_frames_stream_t crypto[NGX_QUIC_ENCRYPTION_LAST];
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110
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111 ngx_quic_conf_t *conf;
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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;
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116 ngx_event_t pto;
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117 ngx_event_t close;
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118 ngx_queue_t free_frames;
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119 ngx_msec_t last_cc;
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120
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121 ngx_msec_t latest_rtt;
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122 ngx_msec_t avg_rtt;
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123 ngx_msec_t min_rtt;
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124 ngx_msec_t rttvar;
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125
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126 ngx_uint_t pto_count;
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127
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128 #if (NGX_DEBUG)
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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;
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133 ngx_quic_congestion_t congestion;
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134 size_t received;
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135
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parents: 8384
diff changeset
136 ngx_uint_t error;
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
137 enum ssl_encryption_level_t error_level;
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
138 ngx_uint_t error_ftype;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
139 const char *error_reason;
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
140
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
141 unsigned error_app:1;
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
142 unsigned send_timer_set:1;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
143 unsigned closing:1;
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
144 unsigned draining:1;
8319
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
145 unsigned key_phase:1;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
146 unsigned in_retry:1;
8397
1245e274b9ba Avoided excessive definitions for connection state.
Vladimir Homutov <vl@nginx.com>
parents: 8394
diff changeset
147 unsigned initialized:1;
8477
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
148 unsigned validated:1;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
149 };
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 8205
diff changeset
150
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
151
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
152 typedef struct {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
153 ngx_queue_t queue;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
154 uint64_t seqnum;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
155 size_t len;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
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: 8536
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: 8536
diff changeset
158 } ngx_quic_client_id_t;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
159
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
160
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
161 typedef ngx_int_t (*ngx_quic_frame_handler_pt)(ngx_connection_t *c,
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
162 ngx_quic_frame_t *frame, void *data);
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
163
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
164
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
165 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
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: 8203
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: 8203
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: 8203
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: 8203
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: 8203
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: 8203
diff changeset
172 #else
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
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: 8180
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: 8180
diff changeset
175 const uint8_t *write_secret, size_t secret_len);
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
176 #endif
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
177
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
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: 8180
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: 8180
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: 8180
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: 8180
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: 8180
diff changeset
183
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
184
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
185 static ngx_int_t ngx_quic_new_connection(ngx_connection_t *c, ngx_ssl_t *ssl,
8483
2da9c4fddd44 QUIC: eliminated connection handler argument in ngx_quic_run().
Roman Arutyunyan <arut@nginx.com>
parents: 8482
diff changeset
186 ngx_quic_conf_t *conf, ngx_quic_header_t *pkt);
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
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: 8519
diff changeset
188 ngx_quic_header_t *inpkt);
8382
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
189 static ngx_int_t ngx_quic_new_dcid(ngx_connection_t *c, ngx_str_t *odcid);
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
190 static ngx_int_t ngx_quic_retry(ngx_connection_t *c);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
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: 8382
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: 8382
diff changeset
193 ngx_quic_header_t *pkt);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
194 static ngx_int_t ngx_quic_init_connection(ngx_connection_t *c);
8436
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
195 static ngx_inline size_t ngx_quic_max_udp_payload(ngx_connection_t *c);
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
196 static void ngx_quic_input_handler(ngx_event_t *rev);
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
197
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
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: 8354
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: 8354
diff changeset
200 static void ngx_quic_close_timer_handler(ngx_event_t *ev);
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
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: 8350
diff changeset
202 ngx_quic_connection_t *qc);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
203
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
204 static ngx_int_t ngx_quic_input(ngx_connection_t *c, ngx_buf_t *b);
8377
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
205 static ngx_inline u_char *ngx_quic_skip_zero_padding(ngx_buf_t *b);
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
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: 8382
diff changeset
207 ngx_quic_header_t *pkt);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
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: 8224
diff changeset
209 ngx_quic_header_t *pkt);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
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: 8224
diff changeset
211 ngx_quic_header_t *pkt);
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
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: 8303
diff changeset
213 ngx_quic_header_t *pkt);
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
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: 8360
diff changeset
215 ngx_quic_header_t *pkt);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
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: 8224
diff changeset
217 ngx_quic_header_t *pkt);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
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: 8224
diff changeset
219 ngx_quic_header_t *pkt);
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
220 static ngx_int_t ngx_quic_send_ack(ngx_connection_t *c, ngx_quic_header_t *pkt);
8470
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
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: 8469
diff changeset
222 struct timeval *received, enum ssl_encryption_level_t level);
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
223 static ngx_int_t ngx_quic_send_cc(ngx_connection_t *c);
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
224 static ngx_int_t ngx_quic_send_new_token(ngx_connection_t *c);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
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: 8224
diff changeset
227 ngx_quic_header_t *pkt, ngx_quic_ack_frame_t *f);
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
228 static ngx_int_t ngx_quic_handle_ack_frame_range(ngx_connection_t *c,
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
229 ngx_quic_send_ctx_t *ctx, uint64_t min, uint64_t max,
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
230 ngx_msec_t *send_time);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
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: 8458
diff changeset
232 enum ssl_encryption_level_t level, ngx_msec_t send_time);
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
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: 8474
diff changeset
234 ngx_quic_send_ctx_t *ctx);
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
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: 8363
diff changeset
236 ngx_quic_frame_t *f);
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
237
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
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: 8334
diff changeset
239 ngx_quic_frames_stream_t *fs, ngx_quic_frame_t *frame,
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
240 ngx_quic_frame_handler_pt handler, void *data);
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
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: 8332
diff changeset
242 ngx_quic_frame_t *f, uint64_t offset_in);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
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: 8332
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: 8332
diff changeset
245
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
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: 8334
diff changeset
247 ngx_quic_header_t *pkt, ngx_quic_frame_t *frame);
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
248 static ngx_int_t ngx_quic_crypto_input(ngx_connection_t *c,
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
249 ngx_quic_frame_t *frame, void *data);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
250 static ngx_int_t ngx_quic_handle_stream_frame(ngx_connection_t *c,
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
251 ngx_quic_header_t *pkt, ngx_quic_frame_t *frame);
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
252 static ngx_int_t ngx_quic_stream_input(ngx_connection_t *c,
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
253 ngx_quic_frame_t *frame, void *data);
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
254
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
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: 8364
diff changeset
256 ngx_quic_max_data_frame_t *f);
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
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: 8241
diff changeset
258 ngx_quic_header_t *pkt, ngx_quic_streams_blocked_frame_t *f);
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
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: 8265
diff changeset
260 ngx_quic_header_t *pkt, ngx_quic_stream_data_blocked_frame_t *f);
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
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: 8364
diff changeset
262 ngx_quic_header_t *pkt, ngx_quic_max_stream_data_frame_t *f);
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
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: 8427
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: 8427
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: 8427
diff changeset
266 ngx_quic_header_t *pkt, ngx_quic_stop_sending_frame_t *f);
8495
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
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: 8486
diff changeset
268 ngx_quic_header_t *pkt, ngx_quic_max_streams_frame_t *f);
8531
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
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: 8530
diff changeset
270 ngx_quic_header_t *pkt, ngx_quic_path_challenge_frame_t *f);
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
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: 8536
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: 8536
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: 8536
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: 8536
diff changeset
275 static ngx_quic_client_id_t *ngx_quic_alloc_connection_id(ngx_connection_t *c);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
276
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
277 static void ngx_quic_queue_frame(ngx_quic_connection_t *qc,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
278 ngx_quic_frame_t *frame);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
279
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
280 static ngx_int_t ngx_quic_output(ngx_connection_t *c);
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
281 static ngx_int_t ngx_quic_output_frames(ngx_connection_t *c,
8332
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8331
diff changeset
282 ngx_quic_send_ctx_t *ctx);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
283 static void ngx_quic_free_frames(ngx_connection_t *c, ngx_queue_t *frames);
8473
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
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: 8472
diff changeset
285 ngx_quic_send_ctx_t *ctx, ngx_queue_t *frames);
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
286
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
287 static void ngx_quic_set_packet_number(ngx_quic_header_t *pkt,
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
288 ngx_quic_send_ctx_t *ctx);
8472
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
289 static void ngx_quic_pto_handler(ngx_event_t *ev);
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
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: 8512
diff changeset
291 static ngx_int_t ngx_quic_detect_lost(ngx_connection_t *c);
8556
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
292 static void ngx_quic_resend_frames(ngx_connection_t *c,
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
293 ngx_quic_send_ctx_t *ctx);
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
294 static void ngx_quic_push_handler(ngx_event_t *ev);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
295
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
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: 8224
diff changeset
297 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel);
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
298 static ngx_quic_stream_t *ngx_quic_find_stream(ngx_rbtree_t *rbtree,
8284
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
299 uint64_t id);
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
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: 8503
diff changeset
301 uint64_t id);
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
302 static ngx_quic_stream_t *ngx_quic_create_stream(ngx_connection_t *c,
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
303 uint64_t id, size_t rcvbuf_size);
8211
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
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: 8209
diff changeset
305 size_t size);
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
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: 8209
diff changeset
307 size_t size);
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
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: 8209
diff changeset
309 ngx_chain_t *in, off_t limit);
8509
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
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: 8508
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: 8508
diff changeset
312 static void ngx_quic_stream_cleanup_handler(void *data);
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
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: 8285
diff changeset
314 static void ngx_quic_free_frame(ngx_connection_t *c, ngx_quic_frame_t *frame);
8211
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
315
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
316 static void ngx_quic_congestion_ack(ngx_connection_t *c,
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
317 ngx_quic_frame_t *frame);
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
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: 8507
diff changeset
319 ngx_quic_frame_t *frame);
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
320
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
321
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
322 static SSL_QUIC_METHOD quic_method = {
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
323 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
324 ngx_quic_set_read_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
325 ngx_quic_set_write_secret,
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
326 #else
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
327 ngx_quic_set_encryption_secrets,
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
328 #endif
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
329 ngx_quic_add_handshake_data,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
330 ngx_quic_flush_flight,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
331 ngx_quic_send_alert,
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
332 };
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
333
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
334
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
335 #if BORINGSSL_API_VERSION >= 10
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
336
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
337 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
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: 8203
diff changeset
339 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
8221
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
340 const uint8_t *rsecret, size_t secret_len)
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
341 {
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
342 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
343 ngx_quic_secrets_t *keys;
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
344
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
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: 8203
diff changeset
346
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
347 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
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: 8359
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: 8359
diff changeset
350 ngx_quic_hexdump(c->log, "quic read secret", rsecret, secret_len);
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
351 #endif
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
352
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
353 keys = &c->quic->keys[level];
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
354
8221
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
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: 8220
diff changeset
356 rsecret, secret_len,
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
357 &keys->client);
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
358 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
359
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
360
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
361 static int
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
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: 8203
diff changeset
363 enum ssl_encryption_level_t level, const SSL_CIPHER *cipher,
8221
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
364 const uint8_t *wsecret, size_t secret_len)
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
365 {
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
366 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
367 ngx_quic_secrets_t *keys;
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
368
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
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: 8203
diff changeset
370
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
371 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
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: 8359
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: 8359
diff changeset
374 ngx_quic_hexdump(c->log, "quic write secret", wsecret, secret_len);
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
375 #endif
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
376
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
377 keys = &c->quic->keys[level];
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
378
8221
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
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: 8220
diff changeset
380 wsecret, secret_len,
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
381 &keys->server);
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
382 }
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
383
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
384 #else
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
385
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
386 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
387 ngx_quic_set_encryption_secrets(ngx_ssl_conn_t *ssl_conn,
8221
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
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: 8220
diff changeset
389 const uint8_t *wsecret, size_t secret_len)
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
390 {
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
391 ngx_int_t rc;
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
392 ngx_connection_t *c;
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
393 ngx_quic_secrets_t *keys;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
394
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
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: 8180
diff changeset
396
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
397 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
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: 8359
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: 8359
diff changeset
400 ngx_quic_hexdump(c->log, "quic read", rsecret, secret_len);
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
401 #endif
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
402
8327
0ae50d90658a Fixed build with OpenSSL using old callbacks API.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8326
diff changeset
403 keys = &c->quic->keys[level];
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
404
8221
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
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: 8220
diff changeset
406 rsecret, secret_len,
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
407 &keys->client);
8221
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
408 if (rc != 1) {
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
409 return rc;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
410 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
411
8303
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8302
diff changeset
412 if (level == ssl_encryption_early_data) {
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8302
diff changeset
413 return 1;
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8302
diff changeset
414 }
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8302
diff changeset
415
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
416 #ifdef NGX_QUIC_DEBUG_CRYPTO
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
417 ngx_quic_hexdump(c->log, "quic write", wsecret, secret_len);
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
418 #endif
8303
2ac03e80d013 TLS Early Data key derivation support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8302
diff changeset
419
8221
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
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: 8220
diff changeset
421 wsecret, secret_len,
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
422 &keys->server);
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
423 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
424
8204
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
425 #endif
9e0c30e1f7fb Compatibility with BoringSSL revised QUIC encryption secret APIs.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8203
diff changeset
426
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
427
8184
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
428 static int
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
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: 8183
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: 8183
diff changeset
431 {
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
432 u_char *p, *end;
8345
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
433 size_t client_params_len, fsize, limit;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
434 const uint8_t *client_params;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
435 ngx_quic_frame_t *frame;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
436 ngx_connection_t *c;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
437 ngx_quic_connection_t *qc;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
438 ngx_quic_frames_stream_t *fs;
8184
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
439
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
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: 8183
diff changeset
441 qc = c->quic;
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
442
8186
0a2683df5f11 Implemented improved version of quic_output().
Vladimir Homutov <vl@nginx.com>
parents: 8185
diff changeset
443 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
444 "quic ngx_quic_add_handshake_data");
8184
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
445
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
446 if (!qc->client_tp_done) {
8438
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
447 /*
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
448 * things to do once during handshake: check ALPN and transport
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
449 * parameters; we want to break handshake if something is wrong
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
450 * here;
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
451 */
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
452
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
453 #if defined(TLSEXT_TYPE_application_layer_protocol_negotiation)
8482
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
454 if (qc->conf->require_alpn) {
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
455 unsigned int len;
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
456 const unsigned char *data;
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
457
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
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: 8481
diff changeset
459
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
460 if (len == 0) {
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
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: 8481
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: 8481
diff changeset
463
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
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: 8481
diff changeset
465 "quic unsupported protocol in ALPN extension");
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
466 return 0;
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
467 }
8438
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
468 }
a2c34e77cfc1 QUIC: added ALPN checks.
Vladimir Homutov <vl@nginx.com>
parents: 8437
diff changeset
469 #endif
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
470
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
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: 8259
diff changeset
472 &client_params_len);
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
473
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
474 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
475 "quic SSL_get_peer_quic_transport_params():"
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
476 " params_len %ui", client_params_len);
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
477
8435
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
478 if (client_params_len == 0) {
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
479 /* quic-tls 8.2 */
8447
97adb87f149b Get rid of hardcoded numbers used for quic handshake errors.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8446
diff changeset
480 qc->error = NGX_QUIC_ERR_CRYPTO(SSL_AD_MISSING_EXTENSION);
8435
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
481 qc->error_reason = "missing transport parameters";
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
482
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
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: 8434
diff changeset
484 "missing transport parameters");
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
485 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
486 }
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
487
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
488 p = (u_char *) client_params;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
489 end = p + client_params_len;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
490
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
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: 8434
diff changeset
492 != NGX_OK)
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
493 {
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
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: 8434
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: 8434
diff changeset
496
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
497 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
498 }
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
499
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
500 if (qc->ctp.max_idle_timeout > 0
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
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: 8434
diff changeset
502 {
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
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: 8434
diff changeset
504 }
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
505
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
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: 8434
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: 8434
diff changeset
508 {
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
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: 8434
diff changeset
510 qc->error_reason = "invalid maximum packet size";
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
511
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
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: 8434
diff changeset
513 "quic maximum packet size is invalid");
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
514 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
515 }
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
516
8436
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
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: 8435
diff changeset
518 qc->ctp.max_udp_payload_size = ngx_quic_max_udp_payload(c);
8435
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
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: 8434
diff changeset
520 "quic client maximum packet size truncated");
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
521 }
8432
391d06a51bc0 Limited max udp payload size for outgoing packets.
Vladimir Homutov <vl@nginx.com>
parents: 8431
diff changeset
522
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
523 #if (NGX_QUIC_DRAFT_VERSION >= 28)
8435
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
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: 8434
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: 8434
diff changeset
526 qc->scid.len) != 0)
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
527 {
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
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: 8434
diff changeset
529 "quic client initial_source_connection_id "
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
530 "mismatch");
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
531 return 0;
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
532 }
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
533 #endif
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
534
8495
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
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: 8486
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: 8486
diff changeset
537
8435
5bc9229ec4cf QUIC: raise error on missing transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8434
diff changeset
538 qc->client_tp_done = 1;
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
539 }
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8259
diff changeset
540
8345
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
541 /*
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
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: 8344
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: 8344
diff changeset
544 */
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
545 limit = qc->ctp.max_udp_payload_size - NGX_QUIC_MAX_LONG_HEADER - 17
8345
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
546 - EVP_GCM_TLS_TAG_LEN;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
547
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
548 fs = &qc->crypto[level];
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
549
8345
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
550 p = (u_char *) data;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
551 end = (u_char *) data + len;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
552
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
553 while (p < end) {
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
554
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
555 fsize = ngx_min(limit, (size_t) (end - p));
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
556
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
557 frame = ngx_quic_alloc_frame(c, fsize);
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
558 if (frame == NULL) {
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
559 return 0;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
560 }
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
561
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
562 ngx_memcpy(frame->data, p, fsize);
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
563
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
564 frame->level = level;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
565 frame->type = NGX_QUIC_FT_CRYPTO;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
566 frame->u.crypto.offset = fs->sent;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
567 frame->u.crypto.length = fsize;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
568 frame->u.crypto.data = frame->data;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
569
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
570 fs->sent += fsize;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
571 p += fsize;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
572
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
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: 8344
diff changeset
574 fsize, level);
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
575
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
576 ngx_quic_queue_frame(qc, frame);
8186
0a2683df5f11 Implemented improved version of quic_output().
Vladimir Homutov <vl@nginx.com>
parents: 8185
diff changeset
577 }
8184
ec1f84996990 Split frame and packet generation into separate steps.
Vladimir Homutov <vl@nginx.com>
parents: 8183
diff changeset
578
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
579 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
580 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
581
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
582
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
583 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
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: 8180
diff changeset
585 {
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
586 #if (NGX_DEBUG)
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
587 ngx_connection_t *c;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
588
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
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: 8180
diff changeset
590
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
591 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
592 "quic ngx_quic_flush_flight()");
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
593 #endif
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
594 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
595 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
596
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
597
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
598 static int
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
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: 8180
diff changeset
600 uint8_t alert)
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
601 {
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
602 ngx_connection_t *c;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
603 ngx_quic_connection_t *qc;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
604
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
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: 8180
diff changeset
606
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
607 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
608 "quic ngx_quic_send_alert(), lvl=%d, alert=%d",
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
609 (int) level, (int) alert);
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
610
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
611 qc = c->quic;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
612 if (qc == NULL) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
613 return 1;
8235
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8234
diff changeset
614 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8234
diff changeset
615
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
616 qc->error_level = level;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
617 qc->error = NGX_QUIC_ERR_CRYPTO(alert);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
618 qc->error_reason = "TLS alert";
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
619 qc->error_app = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
620 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
621
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
622 if (ngx_quic_send_cc(c) != NGX_OK) {
8235
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8234
diff changeset
623 return 0;
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8234
diff changeset
624 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8234
diff changeset
625
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
626 return 1;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
627 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
628
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
629
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
630 void
8483
2da9c4fddd44 QUIC: eliminated connection handler argument in ngx_quic_run().
Roman Arutyunyan <arut@nginx.com>
parents: 8482
diff changeset
631 ngx_quic_run(ngx_connection_t *c, ngx_ssl_t *ssl, ngx_quic_conf_t *conf)
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
632 {
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
633 ngx_int_t rc;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
634 ngx_buf_t *b;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
635 ngx_quic_header_t pkt;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
636
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
637 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0, "quic run");
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
638
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
639 c->log->action = "QUIC initialization";
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
640
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
641 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
642
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
643 b = c->buffer;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
644
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
645 pkt.log = c->log;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
646 pkt.raw = b;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
647 pkt.data = b->start;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
648 pkt.len = b->last - b->start;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
649
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
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: 8535
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: 8535
diff changeset
652 ngx_quic_close_connection(c, rc == NGX_DECLINED ? NGX_DONE : NGX_ERROR);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
653 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
654 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
655
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
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: 8382
diff changeset
657 : c->quic->tp.max_idle_timeout);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
658
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
659 c->read->handler = ngx_quic_input_handler;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
660
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
661 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
662 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
663
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
664
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
665 static ngx_int_t
8481
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 8480
diff changeset
666 ngx_quic_new_connection(ngx_connection_t *c, ngx_ssl_t *ssl,
8483
2da9c4fddd44 QUIC: eliminated connection handler argument in ngx_quic_run().
Roman Arutyunyan <arut@nginx.com>
parents: 8482
diff changeset
667 ngx_quic_conf_t *conf, ngx_quic_header_t *pkt)
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
668 {
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
669 ngx_int_t rc;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
670 ngx_uint_t i;
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
671 ngx_quic_tp_t *ctp;
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
672 ngx_quic_secrets_t *keys;
8339
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
673 ngx_quic_send_ctx_t *ctx;
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
674 ngx_quic_client_id_t *cid;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
675 ngx_quic_connection_t *qc;
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
676 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
677
8345
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
678 if (ngx_buf_size(pkt->raw) < NGX_QUIC_MIN_INITIAL_SIZE) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
679 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
680 "quic UDP datagram is too small for initial packet");
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
681 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
682 }
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
683
8533
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8531
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: 8531
diff changeset
685 return NGX_ERROR;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
686 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
687
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
688 if (pkt->version != NGX_QUIC_VERSION) {
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
689 return ngx_quic_negotiate_version(c, pkt);
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
690 }
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
691
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8247
diff changeset
692 if (!ngx_quic_pkt_in(pkt->flags)) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
693 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
694 "quic invalid initial packet: 0x%xd", pkt->flags);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
695 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
696 }
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
697
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
698 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
699 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
700 }
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
701
8387
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
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: 8386
diff changeset
703 /* 7.2. Negotiating Connection IDs */
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
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: 8386
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: 8386
diff changeset
706 pkt->dcid.len);
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
707 return NGX_ERROR;
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
708 }
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
709
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
710 c->log->action = "creating new quic connection";
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
711
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
712 qc = ngx_pcalloc(c->pool, sizeof(ngx_quic_connection_t));
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
713 if (qc == NULL) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
714 return NGX_ERROR;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
715 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
716
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
717 ngx_rbtree_init(&qc->streams.tree, &qc->streams.sentinel,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
718 ngx_quic_rbtree_insert_stream);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
719
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
720 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
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: 8328
diff changeset
722 ngx_queue_init(&qc->send_ctx[i].sent);
8339
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
723 qc->send_ctx[i].largest_pn = (uint64_t) -1;
8512
6e1c88f82280 QUIC: changed ctx->largest_ack initial value to type maximum.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8509
diff changeset
724 qc->send_ctx[i].largest_ack = (uint64_t) -1;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
725 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
726
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
727 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
728 ngx_queue_init(&qc->crypto[i].frames);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
729 }
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
730
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
731 ngx_queue_init(&qc->free_frames);
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
732 ngx_queue_init(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
733 ngx_queue_init(&qc->free_client_ids);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
734
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
735 qc->avg_rtt = NGX_QUIC_INITIAL_RTT;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
736 qc->rttvar = NGX_QUIC_INITIAL_RTT / 2;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
737 qc->min_rtt = NGX_TIMER_INFINITE;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
738
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
739 /*
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
740 * qc->latest_rtt = 0
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
741 * qc->nclient_ids = 0
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
742 * qc->max_retired_seqnum = 0
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
743 */
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
744
8477
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
745 qc->received = pkt->raw->last - pkt->raw->start;
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
746
8472
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
747 qc->pto.log = c->log;
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
748 qc->pto.data = c;
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
749 qc->pto.handler = ngx_quic_pto_handler;
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
750 qc->pto.cancelable = 1;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
751
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
752 qc->push.log = c->log;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
753 qc->push.data = c;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
754 qc->push.handler = ngx_quic_push_handler;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
755 qc->push.cancelable = 1;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
756
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
757 c->quic = qc;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
758 qc->ssl = ssl;
8481
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 8480
diff changeset
759 qc->conf = conf;
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 8480
diff changeset
760 qc->tp = conf->tp;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
761
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
762 ctp = &qc->ctp;
8436
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
763 ctp->max_udp_payload_size = ngx_quic_max_udp_payload(c);
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
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: 8263
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: 8263
diff changeset
766
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
767 qc->streams.recv_max_data = qc->tp.initial_max_data;
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
768
8496
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
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: 8495
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: 8495
diff changeset
771
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
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: 8413
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: 8413
diff changeset
774 14720));
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
775 qc->congestion.ssthresh = NGX_MAX_SIZE_T_VALUE;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
776 qc->congestion.recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
777
8382
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
778 if (ngx_quic_new_dcid(c, &pkt->dcid) != NGX_OK) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
779 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
780 }
8368
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
781
8421
c206233d9c29 Fixed transport parameters on a new connection with a valid token.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8417
diff changeset
782 #if (NGX_QUIC_DRAFT_VERSION >= 28)
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
783 qc->tp.original_dcid = c->quic->odcid;
8421
c206233d9c29 Fixed transport parameters on a new connection with a valid token.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8417
diff changeset
784 #endif
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
785 qc->tp.initial_scid = c->quic->dcid;
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
786
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
787 qc->scid.len = pkt->scid.len;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
788 qc->scid.data = ngx_pnalloc(c->pool, qc->scid.len);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
789 if (qc->scid.data == NULL) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
790 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
791 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
792 ngx_memcpy(qc->scid.data, pkt->scid.data, qc->scid.len);
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
793
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
794 cid = ngx_quic_alloc_connection_id(c);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
795 if (cid == NULL) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
796 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
797 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
798
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
799 cid->seqnum = 0;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
800 cid->len = pkt->scid.len;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
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: 8536
diff changeset
802
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
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: 8536
diff changeset
804 qc->nclient_ids++;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
805 qc->curr_seqnum = 0;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
806
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
807 keys = &c->quic->keys[ssl_encryption_initial];
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
808
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
809 if (ngx_quic_set_initial_secret(c->pool, &keys->client, &keys->server,
8381
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8380
diff changeset
810 &qc->odcid)
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
811 != NGX_OK)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
812 {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
813 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
814 }
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
815
8397
1245e274b9ba Avoided excessive definitions for connection state.
Vladimir Homutov <vl@nginx.com>
parents: 8394
diff changeset
816 qc->initialized = 1;
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
817
8443
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8442
diff changeset
818 if (ngx_terminate || ngx_exiting) {
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8442
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: 8442
diff changeset
820 return NGX_ERROR;
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8442
diff changeset
821 }
3b5fbf1bcdee Reject new QUIC connection with CONNECTION_REFUSED on shutdown.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8442
diff changeset
822
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
823 if (pkt->token.len) {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
824 rc = ngx_quic_validate_token(c, pkt);
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
825
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
826 if (rc == NGX_ERROR) {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
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: 8383
diff changeset
828 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
829 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
830
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
831 if (rc == NGX_DECLINED) {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
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: 8383
diff changeset
833 return ngx_quic_retry(c);
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
834 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
835
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
836 /* NGX_OK */
8477
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
837 qc->validated = 1;
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
838
8481
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 8480
diff changeset
839 } else if (conf->retry) {
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
840 return ngx_quic_retry(c);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
841 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
842
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
843 pkt->secret = &keys->client;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
844 pkt->level = ssl_encryption_initial;
8288
ebd5c71b9f02 Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents: 8286
diff changeset
845 pkt->plaintext = buf;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
846
8339
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
847 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
848
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
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: 8535
diff changeset
850 if (rc != NGX_OK) {
8386
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
851 qc->error = pkt->error;
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
852 qc->error_reason = "failed to decrypt packet";
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
853 return rc;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
854 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
855
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
856 if (ngx_quic_init_connection(c) != NGX_OK) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
857 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
858 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
859
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
860 if (ngx_quic_payload_handler(c, pkt) != NGX_OK) {
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
861 return NGX_ERROR;
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
862 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
863
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
864 /* pos is at header end, adjust by actual packet length */
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
865 pkt->raw->pos += pkt->len;
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
866
8377
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
867 (void) ngx_quic_skip_zero_padding(pkt->raw);
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
868
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
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: 8541
diff changeset
870
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
871 if (rc == NGX_ERROR) {
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
872 return NGX_ERROR;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
873 }
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
874
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
875 /* rc == NGX_OK || rc == NGX_DECLINED */
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
876
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
877 return NGX_OK;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
878 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
879
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
880
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
881 static ngx_int_t
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
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: 8519
diff changeset
883 {
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
884 size_t len;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
885 ngx_quic_header_t pkt;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
886
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
887 /* buffer size is calculated assuming a single supported version */
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
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: 8519
diff changeset
889
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
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: 8519
diff changeset
891 "sending version negotiation packet");
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
892
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
893 pkt.log = c->log;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
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: 8519
diff changeset
895 pkt.dcid = inpkt->scid;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
896 pkt.scid = inpkt->dcid;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
897
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
898 len = ngx_quic_create_version_negotiation(&pkt, buf);
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
899
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
900 #ifdef NGX_QUIC_DEBUG_PACKETS
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
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: 8519
diff changeset
902 #endif
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
903
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
904 (void) c->send(c, buf, len);
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
905
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
906 return NGX_ERROR;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
907 }
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
908
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
909
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
910 static ngx_int_t
8382
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
911 ngx_quic_new_dcid(ngx_connection_t *c, ngx_str_t *odcid)
8368
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
912 {
8382
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
913 uint8_t len;
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
914 ngx_quic_connection_t *qc;
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
915
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
916 qc = c->quic;
8368
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
917
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
918 if (RAND_bytes(&len, sizeof(len)) != 1) {
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
919 return NGX_ERROR;
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
920 }
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
921
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
922 len = len % 10 + 10;
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
923
8382
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
924 qc->dcid.len = len;
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
925 qc->dcid.data = ngx_pnalloc(c->pool, len);
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
926 if (qc->dcid.data == NULL) {
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
927 return NGX_ERROR;
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
928 }
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
929
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
930 if (RAND_bytes(qc->dcid.data, len) != 1) {
8368
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
931 return NGX_ERROR;
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
932 }
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
933
8382
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
934 #ifdef NGX_QUIC_DEBUG_PACKETS
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
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: 8381
diff changeset
936 #endif
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
937
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
938 qc->odcid.len = odcid->len;
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
939 qc->odcid.data = ngx_pstrdup(c->pool, odcid);
b7704303a7e5 Server CID change refactored.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8381
diff changeset
940 if (qc->odcid.data == NULL) {
8368
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
941 return NGX_ERROR;
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
942 }
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
943
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
944 return NGX_OK;
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
945 }
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
946
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
947
89ccb04736b9 Server CID change.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8367
diff changeset
948 static ngx_int_t
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
949 ngx_quic_retry(ngx_connection_t *c)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
950 {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
951 ssize_t len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
952 ngx_str_t res, token;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
953 ngx_quic_header_t pkt;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
954 u_char buf[NGX_QUIC_RETRY_BUFFER_SIZE];
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
955
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
956 if (ngx_quic_new_token(c, &token) != NGX_OK) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
957 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
958 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
959
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
960 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
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: 8382
diff changeset
962 pkt.log = c->log;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
963 pkt.odcid = c->quic->odcid;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
964 pkt.dcid = c->quic->scid;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
965 pkt.scid = c->quic->dcid;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
966 pkt.token = token;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
967
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
968 res.data = buf;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
969
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
970 if (ngx_quic_encrypt(&pkt, NULL, &res) != NGX_OK) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
971 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
972 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
973
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
974 #ifdef NGX_QUIC_DEBUG_PACKETS
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
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: 8382
diff changeset
976 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
977
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
978 len = c->send(c, res.data, res.len);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
979 if (len == NGX_ERROR || (size_t) len != res.len) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
980 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
981 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
982
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
983 c->quic->token = token;
8421
c206233d9c29 Fixed transport parameters on a new connection with a valid token.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8417
diff changeset
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: 8417
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: 8417
diff changeset
986 #endif
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
987 c->quic->tp.retry_scid = c->quic->dcid;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
988 c->quic->in_retry = 1;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
989
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
990 return NGX_OK;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
991 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
992
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
993
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
994 static ngx_int_t
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
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: 8382
diff changeset
996 {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
997 int len, iv_len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
998 u_char *data, *p, *key, *iv;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
999 ngx_msec_t now;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1000 EVP_CIPHER_CTX *ctx;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1001 const EVP_CIPHER *cipher;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1002 struct sockaddr_in *sin;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1003 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1004 struct sockaddr_in6 *sin6;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1005 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1006 u_char in[NGX_QUIC_MAX_TOKEN_SIZE];
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1007
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1008 switch (c->sockaddr->sa_family) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1009
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1010 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1011 case AF_INET6:
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1012 sin6 = (struct sockaddr_in6 *) c->sockaddr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1013
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1014 len = sizeof(struct in6_addr);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1015 data = sin6->sin6_addr.s6_addr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1016
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1017 break;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1018 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1019
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1020 #if (NGX_HAVE_UNIX_DOMAIN)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1021 case AF_UNIX:
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1022
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1023 len = ngx_min(c->addr_text.len, NGX_QUIC_MAX_TOKEN_SIZE - sizeof(now));
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1024 data = c->addr_text.data;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1025
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1026 break;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1027 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1028
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1029 default: /* AF_INET */
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1030 sin = (struct sockaddr_in *) c->sockaddr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1031
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1032 len = sizeof(in_addr_t);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1033 data = (u_char *) &sin->sin_addr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1034
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1035 break;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1036 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1037
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1038 p = ngx_cpymem(in, data, len);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1039
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1040 now = ngx_current_msec;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1041 len += sizeof(now);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1042 ngx_memcpy(p, &now, sizeof(now));
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1043
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1044 cipher = EVP_aes_256_cbc();
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1045 iv_len = EVP_CIPHER_iv_length(cipher);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1046
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
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: 8382
diff changeset
1048 token->data = ngx_pnalloc(c->pool, token->len);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1049 if (token->data == NULL) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1050 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1051 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1052
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1053 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1054 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1055 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1056 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1057
8481
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 8480
diff changeset
1058 key = c->quic->conf->token_key;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1059 iv = token->data;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1060
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1061 if (RAND_bytes(iv, iv_len) <= 0
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1062 || !EVP_EncryptInit_ex(ctx, cipher, NULL, key, iv))
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1063 {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1064 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1065 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1066 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1067
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1068 token->len = iv_len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1069
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
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: 8382
diff changeset
1071 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1072 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1073 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1074
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1075 token->len += len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1076
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1077 if (EVP_EncryptFinal_ex(ctx, token->data + token->len, &len) <= 0) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1078 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1079 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1080 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1081
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1082 token->len += len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1083
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1084 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1085
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1086 #ifdef NGX_QUIC_DEBUG_PACKETS
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
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: 8382
diff changeset
1088 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1089
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1090 return NGX_OK;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1091 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1092
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1093
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1094 static ngx_int_t
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
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: 8382
diff changeset
1096 {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1097 int len, tlen, iv_len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1098 u_char *key, *iv, *p, *data;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1099 ngx_msec_t msec;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1100 EVP_CIPHER_CTX *ctx;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1101 const EVP_CIPHER *cipher;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1102 struct sockaddr_in *sin;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1103 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1104 struct sockaddr_in6 *sin6;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1105 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1106 ngx_quic_connection_t *qc;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1107 u_char tdec[NGX_QUIC_MAX_TOKEN_SIZE];
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1108
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1109 qc = c->quic;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1110
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1111 /* Retry token */
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1112
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1113 if (qc->token.len) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1114 if (pkt->token.len != qc->token.len) {
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1115 goto bad_token;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1116 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1117
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1118 if (ngx_memcmp(pkt->token.data, qc->token.data, pkt->token.len) != 0) {
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1119 goto bad_token;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1120 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1121
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1122 return NGX_OK;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1123 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1124
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1125 /* NEW_TOKEN in a previous connection */
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1126
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1127 cipher = EVP_aes_256_cbc();
8481
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 8480
diff changeset
1128 key = c->quic->conf->token_key;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1129 iv = pkt->token.data;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1130 iv_len = EVP_CIPHER_iv_length(cipher);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1131
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1132 /* sanity checks */
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1133
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1134 if (pkt->token.len < (size_t) iv_len + EVP_CIPHER_block_size(cipher)) {
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1135 goto bad_token;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1136 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1137
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1138 if (pkt->token.len > (size_t) iv_len + NGX_QUIC_MAX_TOKEN_SIZE) {
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1139 goto bad_token;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1140 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1141
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1142 ctx = EVP_CIPHER_CTX_new();
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1143 if (ctx == NULL) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1144 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1145 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1146
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1147 if (!EVP_DecryptInit_ex(ctx, cipher, NULL, key, iv)) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1148 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1149 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1150 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1151
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1152 p = pkt->token.data + iv_len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1153 len = pkt->token.len - iv_len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1154
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1155 if (EVP_DecryptUpdate(ctx, tdec, &len, p, len) != 1) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1156 EVP_CIPHER_CTX_free(ctx);
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1157 goto bad_token;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1158 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1159
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1160 if (EVP_DecryptFinal_ex(ctx, tdec + len, &tlen) <= 0) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1161 EVP_CIPHER_CTX_free(ctx);
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1162 goto bad_token;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1163 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1164
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1165 EVP_CIPHER_CTX_free(ctx);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1166
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1167 switch (c->sockaddr->sa_family) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1168
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1169 #if (NGX_HAVE_INET6)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1170 case AF_INET6:
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1171 sin6 = (struct sockaddr_in6 *) c->sockaddr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1172
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1173 len = sizeof(struct in6_addr);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1174 data = sin6->sin6_addr.s6_addr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1175
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1176 break;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1177 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1178
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1179 #if (NGX_HAVE_UNIX_DOMAIN)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1180 case AF_UNIX:
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1181
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
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: 8382
diff changeset
1183 data = c->addr_text.data;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1184
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1185 break;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1186 #endif
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1187
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1188 default: /* AF_INET */
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1189 sin = (struct sockaddr_in *) c->sockaddr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1190
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1191 len = sizeof(in_addr_t);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1192 data = (u_char *) &sin->sin_addr;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1193
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1194 break;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1195 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1196
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1197 if (ngx_memcmp(tdec, data, len) != 0) {
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1198 goto bad_token;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1199 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1200
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1201 ngx_memcpy(&msec, tdec + len, sizeof(msec));
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1202
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1203 if (ngx_current_msec - msec > NGX_QUIC_RETRY_LIFETIME) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1204 return NGX_DECLINED;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1205 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1206
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1207 return NGX_OK;
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1208
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1209 bad_token:
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1210
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1211 qc->error = NGX_QUIC_ERR_INVALID_TOKEN;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1212 qc->error_reason = "invalid_token";
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1213
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
1214 return NGX_ERROR;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1215 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1216
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1217
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1218 static ngx_int_t
8221
69345a26ba69 Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents: 8220
diff changeset
1219 ngx_quic_init_connection(ngx_connection_t *c)
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1220 {
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1221 u_char *p;
8422
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1222 size_t clen;
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1223 ssize_t len;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1224 ngx_ssl_conn_t *ssl_conn;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1225 ngx_quic_connection_t *qc;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1226
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1227 qc = c->quic;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1228
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
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: 8198
diff changeset
1230 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1231 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1232
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1233 ssl_conn = c->ssl->connection;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1234
8232
253cf267f95a Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents: 8231
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: 8231
diff changeset
1236 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1237 "quic SSL_set_quic_method() failed");
8232
253cf267f95a Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents: 8231
diff changeset
1238 return NGX_ERROR;
253cf267f95a Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents: 8231
diff changeset
1239 }
253cf267f95a Moved setting QUIC methods to runtime.
Roman Arutyunyan <arut@nginx.com>
parents: 8231
diff changeset
1240
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1241 #ifdef SSL_READ_EARLY_DATA_SUCCESS
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1242 if (SSL_CTX_get_max_early_data(qc->ssl->ctx)) {
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1243 SSL_set_quic_early_data_enabled(ssl_conn, 1);
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1244 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1245 #endif
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1246
8422
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1247 len = ngx_quic_create_transport_params(NULL, NULL, &qc->tp, &clen);
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1248 /* always succeeds */
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1249
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1250 p = ngx_pnalloc(c->pool, len);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1251 if (p == NULL) {
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1252 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1253 }
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1254
8422
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1255 len = ngx_quic_create_transport_params(p, p + len, &qc->tp, NULL);
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1256 if (len < 0) {
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1257 return NGX_ERROR;
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1258 }
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1259
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1260 #ifdef NGX_QUIC_DEBUG_PACKETS
8360
f175006124d0 Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents: 8359
diff changeset
1261 ngx_quic_hexdump(c->log, "quic transport parameters", p, len);
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1262 #endif
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1263
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8246
diff changeset
1264 if (SSL_set_quic_transport_params(ssl_conn, p, len) == 0) {
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1265 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1266 "quic SSL_set_quic_transport_params() failed");
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1267 return NGX_ERROR;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1268 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1269
8422
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1270 #if NGX_OPENSSL_QUIC_ZRTT_CTX
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
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: 8421
diff changeset
1272 ngx_log_error(NGX_LOG_INFO, c->log, 0,
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1273 "quic SSL_set_quic_early_data_context() failed");
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1274 return NGX_ERROR;
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1275 }
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1276 #endif
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1277
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1278 return NGX_OK;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1279 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1280
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1281
8436
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1282 static ngx_inline size_t
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
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: 8435
diff changeset
1284 {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1285 /* TODO: path MTU discovery */
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1286
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1287 #if (NGX_HAVE_INET6)
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1288 if (c->sockaddr->sa_family == AF_INET6) {
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1289 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT6;
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1290 }
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1291 #endif
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1292
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1293 return NGX_QUIC_MAX_UDP_PAYLOAD_OUT;
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1294 }
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1295
9fe7875ce4bb QUIC: further limiting maximum QUIC packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8435
diff changeset
1296
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1297 static void
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1298 ngx_quic_input_handler(ngx_event_t *rev)
8211
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
1299 {
8271
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1300 ssize_t n;
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1301 ngx_int_t rc;
8271
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1302 ngx_buf_t b;
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1303 ngx_connection_t *c;
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1304 ngx_quic_connection_t *qc;
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
1305 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8211
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
1306
8394
df18ae7161b8 Assorted fixes.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8393
diff changeset
1307 ngx_memzero(&b, sizeof(ngx_buf_t));
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1308 b.start = buf;
8265
d45325e90221 Limit output QUIC packets with client max_packet_size.
Roman Arutyunyan <arut@nginx.com>
parents: 8263
diff changeset
1309 b.end = buf + sizeof(buf);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1310 b.pos = b.last = b.start;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1311 b.memory = 1;
8211
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
1312
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1313 c = rev->data;
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
1314 qc = c->quic;
8211
6bc18966b8c1 Stream "connection" read/write methods.
Vladimir Homutov <vl@nginx.com>
parents: 8209
diff changeset
1315
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1316 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, rev->log, 0, "quic input handler");
8212
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents: 8211
diff changeset
1317
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1318 if (rev->timedout) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1319 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1320 "quic client timed out");
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1321 ngx_quic_close_connection(c, NGX_DONE);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1322 return;
8212
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents: 8211
diff changeset
1323 }
e3c0b19a3a8a Implemented ngx_quic_stream_send_chain() method.
Roman Arutyunyan <arut@nginx.com>
parents: 8211
diff changeset
1324
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1325 if (c->close) {
8442
b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8439
diff changeset
1326 qc->error_reason = "graceful shutdown";
b9bce2c4fe33 Close QUIC connection with NO_ERROR on c->close.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8439
diff changeset
1327 ngx_quic_close_connection(c, NGX_OK);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1328 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1329 }
8220
7ada2feeac18 Added processing of CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8218
diff changeset
1330
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1331 n = c->recv(c, b.start, b.end - b.start);
8215
38c0898b6df7 HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 8214
diff changeset
1332
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1333 if (n == NGX_AGAIN) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1334 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1335 ngx_quic_close_connection(c, NGX_OK);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1336 }
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1337 return;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1338 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1339
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1340 if (n == NGX_ERROR) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1341 c->read->eof = 1;
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1342 ngx_quic_close_connection(c, NGX_ERROR);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1343 return;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1344 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1345
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1346 b.last += n;
8477
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
1347 qc->received += n;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1348
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1349 rc = ngx_quic_input(c, &b);
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1350
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1351 if (rc == NGX_ERROR) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1352 ngx_quic_close_connection(c, NGX_ERROR);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1353 return;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1354 }
8271
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1355
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1356 if (rc == NGX_DECLINED) {
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1357 return;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1358 }
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1359
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1360 /* rc == NGX_OK */
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1361
8271
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1362 qc->send_timer_set = 0;
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
1363 ngx_add_timer(rev, qc->tp.max_idle_timeout);
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1364 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1365
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1366
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1367 static void
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1368 ngx_quic_close_connection(ngx_connection_t *c, ngx_int_t rc)
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1369 {
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1370 ngx_pool_t *pool;
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
1371
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1372 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1373 "quic ngx_quic_close_connection, rc: %i", rc);
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1374
8397
1245e274b9ba Avoided excessive definitions for connection state.
Vladimir Homutov <vl@nginx.com>
parents: 8394
diff changeset
1375 if (!c->quic || !c->quic->initialized) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1376 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1377 "quic close connection early error");
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1378
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1379 } else if (ngx_quic_close_quic(c, rc) == NGX_AGAIN) {
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1380 return;
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
1381 }
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1382
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1383 if (c->ssl) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1384 (void) ngx_ssl_shutdown(c);
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1385 }
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1386
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1387 if (c->read->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1388 ngx_del_timer(c->read);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1389 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1390
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1391 #if (NGX_STAT_STUB)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1392 (void) ngx_atomic_fetch_add(ngx_stat_active, -1);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1393 #endif
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1394
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1395 c->destroyed = 1;
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1396
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1397 pool = c->pool;
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1398
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1399 ngx_close_connection(c);
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1400
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1401 ngx_destroy_pool(pool);
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1402 }
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1403
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1404
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
1405 static ngx_int_t
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1406 ngx_quic_close_quic(ngx_connection_t *c, ngx_int_t rc)
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1407 {
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1408 ngx_uint_t i;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1409 ngx_quic_send_ctx_t *ctx;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1410 ngx_quic_connection_t *qc;
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1411
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1412 qc = c->quic;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1413
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1414 if (!qc->closing) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1415
8398
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 8397
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: 8397
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: 8397
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: 8397
diff changeset
1419 ngx_quic_free_frames(c, &ctx->sent);
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 8397
diff changeset
1420 }
8bec0ac23cf9 Fixed retransmission of frames after closing connection.
Vladimir Homutov <vl@nginx.com>
parents: 8397
diff changeset
1421
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1422 if (rc == NGX_DONE) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1423
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1424 /*
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1425 * 10.2. Idle Timeout
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1426 *
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
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: 8354
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: 8354
diff changeset
1429 */
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1430
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
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: 8354
diff changeset
1432 "quic closing %s connection",
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1433 qc->draining ? "drained" : "idle");
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1434
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1435 } else {
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1436
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1437 /*
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1438 * 10.3. Immediate Close
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1439 *
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
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: 8399
diff changeset
1441 * to terminate the connection immediately.
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1442 */
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1443
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
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: 8474
diff changeset
1445 : ssl_encryption_initial;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
1446
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1447 if (rc == NGX_OK) {
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
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: 8399
diff changeset
1449 "quic immediate close, drain = %d",
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1450 qc->draining);
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1451
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1452 qc->close.log = c->log;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1453 qc->close.data = c;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
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: 8399
diff changeset
1455 qc->close.cancelable = 1;
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1456
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
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: 8474
diff changeset
1458
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
1459 ngx_add_timer(&qc->close, 3 * ngx_quic_pto(c, ctx));
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1460
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1461 qc->error = NGX_QUIC_ERR_NO_ERROR;
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1462
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1463 } else {
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1464 if (qc->error == 0 && !qc->error_app) {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1465 qc->error = NGX_QUIC_ERR_INTERNAL_ERROR;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1466 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1467
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
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: 8450
diff changeset
1469 "quic immediate close due to %serror: %ui %s",
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1470 qc->error_app ? "app " : "", qc->error,
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1471 qc->error_reason ? qc->error_reason : "");
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1472 }
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1473
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1474 (void) ngx_quic_send_cc(c);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1475
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1476 if (qc->error_level == ssl_encryption_handshake) {
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1477 /* for clients that might not have handshake keys */
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1478 qc->error_level = ssl_encryption_initial;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1479 (void) ngx_quic_send_cc(c);
8400
d96ddef458cd Added sending of extra CONNECTION_CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8399
diff changeset
1480 }
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1481 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1482
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1483 qc->closing = 1;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1484 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1485
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
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: 8354
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: 8354
diff changeset
1488 ngx_del_timer(&qc->close);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1489 }
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1490
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1491 if (ngx_quic_close_streams(c, qc) == NGX_AGAIN) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1492 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1493 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1494
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1495 if (qc->push.timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1496 ngx_del_timer(&qc->push);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1497 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1498
8472
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
1499 if (qc->pto.timer_set) {
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
1500 ngx_del_timer(&qc->pto);
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1501 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1502
8434
ea4899591798 QUIC: Fixed connection cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8433
diff changeset
1503 if (qc->push.posted) {
ea4899591798 QUIC: Fixed connection cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8433
diff changeset
1504 ngx_delete_posted_event(&qc->push);
ea4899591798 QUIC: Fixed connection cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8433
diff changeset
1505 }
ea4899591798 QUIC: Fixed connection cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8433
diff changeset
1506
8553
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
1507 for (i = 0; i < NGX_QUIC_ENCRYPTION_LAST; i++) {
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
1508 ngx_quic_free_frames(c, &qc->crypto[i].frames);
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
1509 }
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
1510
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
1511 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
1512 ngx_quic_free_frames(c, &qc->send_ctx[i].frames);
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
1513 ngx_quic_free_frames(c, &qc->send_ctx[i].sent);
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
1514 }
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
1515
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
1516 if (qc->close.timer_set) {
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
1517 return NGX_AGAIN;
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
1518 }
dbcb9d0a3df1 QUIC: prevented posted push event while in the draining state.
Vladimir Homutov <vl@nginx.com>
parents: 8546
diff changeset
1519
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
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: 8354
diff changeset
1521 "quic part of connection is terminated");
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1522
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
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: 8354
diff changeset
1524 c->quic = NULL;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1525
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1526 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1527 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1528
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1529
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1530 void
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
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: 8450
diff changeset
1532 const char *reason)
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1533 {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1534 ngx_quic_connection_t *qc;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1535
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1536 qc = c->quic;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1537 qc->error = err;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1538 qc->error_reason = reason;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1539 qc->error_app = 1;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1540 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1541
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1542 ngx_quic_close_connection(c, NGX_ERROR);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1543 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1544
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
1545
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1546 static void
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
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: 8354
diff changeset
1548 {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1549 ngx_connection_t *c;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1550
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1551 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic close timer");
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1552
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1553 c = ev->data;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1554 ngx_quic_close_connection(c, NGX_DONE);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1555 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1556
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
1557
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1558 static ngx_int_t
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
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: 8350
diff changeset
1560 {
8503
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
1561 ngx_event_t *rev, *wev;
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1562 ngx_rbtree_t *tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1563 ngx_rbtree_node_t *node;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1564 ngx_quic_stream_t *qs;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1565
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1566 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1567 ngx_uint_t ns;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1568 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1569
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1570 tree = &qc->streams.tree;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1571
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1572 if (tree->root == tree->sentinel) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1573 return NGX_OK;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1574 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1575
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1576 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1577 ns = 0;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1578 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1579
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1580 for (node = ngx_rbtree_min(tree->root, tree->sentinel);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1581 node;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1582 node = ngx_rbtree_next(tree, node))
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1583 {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1584 qs = (ngx_quic_stream_t *) node;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1585
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1586 rev = qs->c->read;
8503
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
1587 rev->error = 1;
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1588 rev->ready = 1;
8503
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
1589
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
1590 wev = qs->c->write;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
1591 wev->error = 1;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
1592 wev->ready = 1;
8354
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1593
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1594 ngx_post_event(rev, &ngx_posted_events);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1595
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1596 if (rev->timer_set) {
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1597 ngx_del_timer(rev);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1598 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1599
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1600 #if (NGX_DEBUG)
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1601 ns++;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1602 #endif
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1603 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1604
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
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: 8350
diff changeset
1606 "quic connection has %ui active streams", ns);
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1607
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1608 return NGX_AGAIN;
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1609 }
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1610
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1611
d11bc25fc4c3 Refactored ngx_quic_close_connection().
Vladimir Homutov <vl@nginx.com>
parents: 8350
diff changeset
1612 static ngx_int_t
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1613 ngx_quic_input(ngx_connection_t *c, ngx_buf_t *b)
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
1614 {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1615 u_char *p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1616 ngx_int_t rc;
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1617 ngx_uint_t good;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1618 ngx_quic_header_t pkt;
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
1619
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1620 good = 0;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1621
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1622 p = b->pos;
8208
4ae9ac69ab93 HTTP/QUIC interface reworked.
Vladimir Homutov <vl@nginx.com>
parents: 8207
diff changeset
1623
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1624 while (p < b->last) {
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1625 c->log->action = "processing quic packet";
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1626
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1627 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1628 pkt.raw = b;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1629 pkt.data = p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1630 pkt.len = b->last - p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1631 pkt.log = c->log;
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8247
diff changeset
1632 pkt.flags = p[0];
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
1633
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1634 if (c->quic->in_retry) {
8540
d45961e062fa QUIC: refactored ngx_quic_retry_input().
Vladimir Homutov <vl@nginx.com>
parents: 8539
diff changeset
1635 rc = ngx_quic_retry_input(c, &pkt);
d45961e062fa QUIC: refactored ngx_quic_retry_input().
Vladimir Homutov <vl@nginx.com>
parents: 8539
diff changeset
1636
d45961e062fa QUIC: refactored ngx_quic_retry_input().
Vladimir Homutov <vl@nginx.com>
parents: 8539
diff changeset
1637 } else if (ngx_quic_long_pkt(pkt.flags)) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1638
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8247
diff changeset
1639 if (ngx_quic_pkt_in(pkt.flags)) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1640 rc = ngx_quic_initial_input(c, &pkt);
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 8205
diff changeset
1641
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8247
diff changeset
1642 } else if (ngx_quic_pkt_hs(pkt.flags)) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1643 rc = ngx_quic_handshake_input(c, &pkt);
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
1644
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1645 } else if (ngx_quic_pkt_zrtt(pkt.flags)) {
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1646 rc = ngx_quic_early_input(c, &pkt);
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1647
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1648 } else {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1649 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1650 "quic unknown long packet type");
8535
eb5aa85294e9 QUIC: discard unrecognized long packes.
Vladimir Homutov <vl@nginx.com>
parents: 8533
diff changeset
1651 rc = NGX_DECLINED;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1652 }
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
1653
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1654 } else {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1655 rc = ngx_quic_app_input(c, &pkt);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1656 }
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
1657
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1658 if (rc == NGX_ERROR) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1659 return NGX_ERROR;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1660 }
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 8205
diff changeset
1661
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1662 if (rc == NGX_OK) {
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1663 good = 1;
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1664 }
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1665
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1666 /* NGX_OK || NGX_DECLINED */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1667
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1668 /*
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
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: 8332
diff changeset
1670 * to decrypt packet.
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
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: 8332
diff changeset
1672 * retransmission:
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1673 *
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1674 * 12.2. Coalescing Packets:
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1675 *
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1676 * For example, if decryption fails (because the keys are
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1677 * not available or any other reason), the receiver MAY either
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1678 * discard or buffer the packet for later processing and MUST
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1679 * attempt to process the remaining packets.
8535
eb5aa85294e9 QUIC: discard unrecognized long packes.
Vladimir Homutov <vl@nginx.com>
parents: 8533
diff changeset
1680 *
eb5aa85294e9 QUIC: discard unrecognized long packes.
Vladimir Homutov <vl@nginx.com>
parents: 8533
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: 8533
diff changeset
1682 * or cannot be parsed properly.
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1683 */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
1684
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
1685 /* b->pos is at header end, adjust by actual packet length */
8377
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1686 b->pos += pkt.len;
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1687 p = ngx_quic_skip_zero_padding(b);
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1688 }
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1689
8545
702f1d2581a4 QUIC: eliminated idle timeout restart for dropped packets.
Roman Arutyunyan <arut@nginx.com>
parents: 8541
diff changeset
1690 return good ? NGX_OK : NGX_DECLINED;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1691 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1692
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1693
8377
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
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: 8371
diff changeset
1695 static ngx_inline u_char *
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1696 ngx_quic_skip_zero_padding(ngx_buf_t *b)
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1697 {
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1698 while (b->pos < b->last && *(b->pos) == 0) {
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1699 b->pos++;
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1700 }
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1701
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1702 return b->pos;
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1703 }
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1704
2a94aaa70b33 Cleaned up firefox workaround.
Vladimir Homutov <vl@nginx.com>
parents: 8371
diff changeset
1705
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1706 static ngx_int_t
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
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: 8382
diff changeset
1708 {
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
1709 ngx_int_t rc;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1710 ngx_quic_secrets_t *keys;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1711 ngx_quic_send_ctx_t *ctx;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1712 ngx_quic_connection_t *qc;
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
1713 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1714
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1715 c->log->action = "retrying quic connection";
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1716
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
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: 8382
diff changeset
1718 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1719 "quic UDP datagram is too small for initial packet");
8540
d45961e062fa QUIC: refactored ngx_quic_retry_input().
Vladimir Homutov <vl@nginx.com>
parents: 8539
diff changeset
1720 return NGX_DECLINED;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1721 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1722
8533
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8531
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: 8531
diff changeset
1724 return NGX_DECLINED;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1725 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1726
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1727 if (pkt->version != NGX_QUIC_VERSION) {
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1728 ngx_log_error(NGX_LOG_INFO, c->log, 0,
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1729 "quic unsupported version: 0x%xD", pkt->version);
8533
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8531
diff changeset
1730 return NGX_DECLINED;
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1731 }
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1732
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1733 if (ngx_quic_pkt_zrtt(pkt->flags)) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1734 ngx_log_error(NGX_LOG_INFO, c->log, 0,
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1735 "quic discard inflight 0-RTT packet");
8540
d45961e062fa QUIC: refactored ngx_quic_retry_input().
Vladimir Homutov <vl@nginx.com>
parents: 8539
diff changeset
1736 return NGX_DECLINED;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1737 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1738
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1739 if (!ngx_quic_pkt_in(pkt->flags)) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1740 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
1741 "quic invalid initial packet: 0x%xd", pkt->flags);
8533
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8531
diff changeset
1742 return NGX_DECLINED;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1743 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1744
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1745 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) {
8533
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8531
diff changeset
1746 return NGX_DECLINED;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1747 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1748
8540
d45961e062fa QUIC: refactored ngx_quic_retry_input().
Vladimir Homutov <vl@nginx.com>
parents: 8539
diff changeset
1749 if (!pkt->token.len) {
d45961e062fa QUIC: refactored ngx_quic_retry_input().
Vladimir Homutov <vl@nginx.com>
parents: 8539
diff changeset
1750 return NGX_DECLINED;
d45961e062fa QUIC: refactored ngx_quic_retry_input().
Vladimir Homutov <vl@nginx.com>
parents: 8539
diff changeset
1751 }
d45961e062fa QUIC: refactored ngx_quic_retry_input().
Vladimir Homutov <vl@nginx.com>
parents: 8539
diff changeset
1752
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
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: 8382
diff changeset
1754 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1755 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1756
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1757 qc = c->quic;
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
1758 qc->tp.initial_scid = c->quic->dcid;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1759
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1760 keys = &c->quic->keys[ssl_encryption_initial];
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1761
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
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: 8382
diff changeset
1763 &qc->odcid)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1764 != NGX_OK)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1765 {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1766 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1767 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1768
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1769 c->quic->in_retry = 0;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1770
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1771 if (ngx_quic_validate_token(c, pkt) != NGX_OK) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
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: 8382
diff changeset
1773 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1774 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1775
8477
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
1776 qc->validated = 1;
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
1777
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1778 pkt->secret = &keys->client;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1779 pkt->level = ssl_encryption_initial;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1780 pkt->plaintext = buf;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1781
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1782 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1783
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
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: 8535
diff changeset
1785 if (rc != NGX_OK) {
8386
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1786 qc->error = pkt->error;
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
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: 8535
diff changeset
1788 return rc;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1789 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1790
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1791 if (ngx_quic_init_connection(c) != NGX_OK) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1792 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1793 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1794
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1795 if (ngx_quic_payload_handler(c, pkt) != NGX_OK) {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1796 return NGX_ERROR;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1797 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1798
8540
d45961e062fa QUIC: refactored ngx_quic_retry_input().
Vladimir Homutov <vl@nginx.com>
parents: 8539
diff changeset
1799 return NGX_OK;
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1800 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1801
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1802
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8382
diff changeset
1803 static ngx_int_t
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
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: 8222
diff changeset
1805 {
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
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: 8535
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: 8535
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: 8535
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: 8535
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: 8535
diff changeset
1811 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1812
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1813 c->log->action = "processing initial quic packet";
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1814
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1815 ssl_conn = c->ssl->connection;
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1816
8533
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8531
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: 8531
diff changeset
1818 return NGX_DECLINED;
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1819 }
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1820
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1821 if (pkt->version != NGX_QUIC_VERSION) {
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1822 ngx_log_error(NGX_LOG_INFO, c->log, 0,
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1823 "quic unsupported version: 0x%xD", pkt->version);
8533
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8531
diff changeset
1824 return NGX_DECLINED;
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8531
diff changeset
1825 }
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8531
diff changeset
1826
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
1827 qc = c->quic;
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
1828
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
1829 if (ngx_quic_check_peer(qc, pkt) != NGX_OK) {
8533
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8531
diff changeset
1830 return NGX_DECLINED;
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1831 }
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1832
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents: 8223
diff changeset
1833 if (ngx_quic_parse_initial_header(pkt) != NGX_OK) {
8533
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8531
diff changeset
1834 return NGX_DECLINED;
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1835 }
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1836
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
1837 keys = &qc->keys[ssl_encryption_initial];
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
1838
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
1839 pkt->secret = &keys->client;
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1840 pkt->level = ssl_encryption_initial;
8288
ebd5c71b9f02 Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents: 8286
diff changeset
1841 pkt->plaintext = buf;
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1842
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
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: 8535
diff changeset
1844
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
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: 8535
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: 8535
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: 8535
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: 8535
diff changeset
1849 return rc;
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1850 }
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1851
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1852 return ngx_quic_payload_handler(c, pkt);
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1853 }
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1854
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1855
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
1856 static ngx_int_t
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 8205
diff changeset
1857 ngx_quic_handshake_input(ngx_connection_t *c, ngx_quic_header_t *pkt)
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1858 {
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
1859 ngx_int_t rc;
8507
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
1860 ngx_queue_t *q;
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
1861 ngx_quic_frame_t *f;
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
1862 ngx_quic_secrets_t *keys;
8339
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1863 ngx_quic_send_ctx_t *ctx;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1864 ngx_quic_connection_t *qc;
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
1865 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1866
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1867 c->log->action = "processing handshake quic packet";
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
1868
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1869 qc = c->quic;
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1870
8321
e45719a9b148 Discarding Handshake packets if no Handshake keys yet.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8320
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: 8320
diff changeset
1872
e45719a9b148 Discarding Handshake packets if no Handshake keys yet.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8320
diff changeset
1873 if (keys->client.key.len == 0) {
e45719a9b148 Discarding Handshake packets if no Handshake keys yet.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8320
diff changeset
1874 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1875 "quic no read keys yet, packet ignored");
8321
e45719a9b148 Discarding Handshake packets if no Handshake keys yet.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8320
diff changeset
1876 return NGX_DECLINED;
e45719a9b148 Discarding Handshake packets if no Handshake keys yet.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8320
diff changeset
1877 }
e45719a9b148 Discarding Handshake packets if no Handshake keys yet.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8320
diff changeset
1878
8193
4355efde26d8 Added functions to decrypt long packets.
Vladimir Homutov <vl@nginx.com>
parents: 8192
diff changeset
1879 /* extract cleartext data into pkt */
8533
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8531
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: 8531
diff changeset
1881 return NGX_DECLINED;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1882 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1883
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1884 if (pkt->version != NGX_QUIC_VERSION) {
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1885 ngx_log_error(NGX_LOG_INFO, c->log, 0,
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1886 "quic unsupported version: 0x%xD", pkt->version);
8533
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8531
diff changeset
1887 return NGX_DECLINED;
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1888 }
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1889
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1890 if (ngx_quic_check_peer(qc, pkt) != NGX_OK) {
8533
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8531
diff changeset
1891 return NGX_DECLINED;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1892 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1893
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents: 8223
diff changeset
1894 if (ngx_quic_parse_handshake_header(pkt) != NGX_OK) {
8533
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8531
diff changeset
1895 return NGX_DECLINED;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1896 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1897
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
1898 pkt->secret = &keys->client;
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 8205
diff changeset
1899 pkt->level = ssl_encryption_handshake;
8288
ebd5c71b9f02 Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents: 8286
diff changeset
1900 pkt->plaintext = buf;
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 8205
diff changeset
1901
8339
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1902 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1903
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
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: 8535
diff changeset
1905 if (rc != NGX_OK) {
8386
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1906 qc->error = pkt->error;
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
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: 8535
diff changeset
1908 return rc;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1909 }
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
1910
8393
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
1911 /*
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
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: 8392
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: 8392
diff changeset
1914 */
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
1915 ctx = ngx_quic_get_send_ctx(c->quic, ssl_encryption_initial);
8507
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
1916
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
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: 8506
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: 8506
diff changeset
1919 ngx_queue_remove(q);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
1920
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
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: 8506
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: 8506
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: 8506
diff changeset
1924 }
8393
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
1925
8477
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
1926 qc->validated = 1;
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
1927 qc->pto_count = 0;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
1928
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 8205
diff changeset
1929 return ngx_quic_payload_handler(c, pkt);
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1930 }
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1931
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1932
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
1933 static ngx_int_t
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
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: 8303
diff changeset
1935 {
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
1936 ngx_int_t rc;
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
1937 ngx_quic_secrets_t *keys;
8339
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1938 ngx_quic_send_ctx_t *ctx;
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1939 ngx_quic_connection_t *qc;
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
1940 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1941
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1942 c->log->action = "processing early data quic packet";
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1943
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1944 qc = c->quic;
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1945
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1946 /* extract cleartext data into pkt */
8533
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8531
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: 8531
diff changeset
1948 return NGX_DECLINED;
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1949 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1950
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1951 if (pkt->version != NGX_QUIC_VERSION) {
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1952 ngx_log_error(NGX_LOG_INFO, c->log, 0,
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1953 "quic unsupported version: 0x%xD", pkt->version);
8533
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8531
diff changeset
1954 return NGX_DECLINED;
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1955 }
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8519
diff changeset
1956
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1957 if (ngx_quic_check_peer(qc, pkt) != NGX_OK) {
8533
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8531
diff changeset
1958 return NGX_DECLINED;
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1959 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1960
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1961 if (ngx_quic_parse_handshake_header(pkt) != NGX_OK) {
8533
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8531
diff changeset
1962 return NGX_DECLINED;
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1963 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1964
8439
cef417a24755 QUIC: cleaned up quic encryption state tracking.
Vladimir Homutov <vl@nginx.com>
parents: 8438
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: 8438
diff changeset
1966
cef417a24755 QUIC: cleaned up quic encryption state tracking.
Vladimir Homutov <vl@nginx.com>
parents: 8438
diff changeset
1967 if (keys->client.key.len == 0) {
cef417a24755 QUIC: cleaned up quic encryption state tracking.
Vladimir Homutov <vl@nginx.com>
parents: 8438
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: 8438
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: 8438
diff changeset
1970 return NGX_DECLINED;
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1971 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1972
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
1973
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
1974 pkt->secret = &keys->client;
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1975 pkt->level = ssl_encryption_early_data;
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1976 pkt->plaintext = buf;
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1977
8339
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1978 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
1979
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
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: 8535
diff changeset
1981 if (rc != NGX_OK) {
8386
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
1982 qc->error = pkt->error;
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
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: 8535
diff changeset
1984 return rc;
8304
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1985 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1986
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1987 return ngx_quic_payload_handler(c, pkt);
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1988 }
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1989
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1990
90f94413177e TLS Early Data support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8303
diff changeset
1991 static ngx_int_t
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
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: 8360
diff changeset
1993 {
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1994 ngx_queue_t *q;
8546
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
1995 ngx_quic_send_ctx_t *ctx;
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
1996 ngx_quic_client_id_t *cid;
8381
6e100d8c138a Preserve original DCID and unbreak parsing 0-RTT packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8380
diff changeset
1997
8546
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
1998 ctx = ngx_quic_get_send_ctx(qc, ssl_encryption_initial);
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
1999
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
2000 if (ngx_quic_pkt_zrtt(pkt->flags)
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
2001 || (ngx_quic_pkt_in(pkt->flags) && ctx->largest_ack == (uint64_t) -1))
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
2002 {
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
2003 if (pkt->dcid.len == qc->odcid.len
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
2004 && ngx_memcmp(pkt->dcid.data, qc->odcid.data, qc->odcid.len) == 0)
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
2005 {
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
2006 goto found;
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
2007 }
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
2008 }
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
2009
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
2010 if (!ngx_quic_pkt_zrtt(pkt->flags)) {
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
2011 if (pkt->dcid.len == qc->dcid.len
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
2012 && ngx_memcmp(pkt->dcid.data, qc->dcid.data, qc->dcid.len) == 0)
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
2013 {
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
2014 goto found;
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
2015 }
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
2016 }
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
2017
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
2018 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic unexpected quic dcid");
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
2019 return NGX_ERROR;
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
2020
eece8e35e64d QUIC: allowed old DCID for initial packets until first ACK.
Roman Arutyunyan <arut@nginx.com>
parents: 8545
diff changeset
2021 found:
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
2022
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2023 for (q = ngx_queue_head(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2024 q != ngx_queue_sentinel(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2025 q = ngx_queue_next(q))
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2026 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2027 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2028
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2029 if (pkt->scid.len == cid->len
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2030 && ngx_memcmp(pkt->scid.data, cid->id, cid->len) == 0)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2031 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2032 return NGX_OK;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2033 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2034 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2035
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2036
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2037 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: 8536
diff changeset
2038 return NGX_ERROR;
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
2039 }
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
2040
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
2041
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
2042 static ngx_int_t
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 8205
diff changeset
2043 ngx_quic_app_input(ngx_connection_t *c, ngx_quic_header_t *pkt)
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
2044 {
8319
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2045 ngx_int_t rc;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2046 ngx_quic_secrets_t *keys, *next, tmp;
8339
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
2047 ngx_quic_send_ctx_t *ctx;
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
2048 ngx_quic_connection_t *qc;
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
2049 static u_char buf[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
2050
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
2051 c->log->action = "processing application data quic packet";
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
2052
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
2053 qc = c->quic;
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
2054
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
2055 keys = &c->quic->keys[ssl_encryption_application];
8319
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2056 next = &c->quic->next_key;
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
2057
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
2058 if (keys->client.key.len == 0) {
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
2059 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
2060 "quic no read keys yet, packet ignored");
8223
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
2061 return NGX_DECLINED;
61f9b873e2e7 Firefox fixes.
Vladimir Homutov <vl@nginx.com>
parents: 8222
diff changeset
2062 }
8199
1297dc83a6b9 Generic payload handler for quic packets.
Vladimir Homutov <vl@nginx.com>
parents: 8198
diff changeset
2063
8533
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8531
diff changeset
2064 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: 8531
diff changeset
2065 return NGX_DECLINED;
8185
6a76d9657772 QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8184
diff changeset
2066 }
6a76d9657772 QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8184
diff changeset
2067
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
2068 pkt->secret = &keys->client;
8319
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2069 pkt->next = &next->client;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2070 pkt->key_phase = c->quic->key_phase;
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 8205
diff changeset
2071 pkt->level = ssl_encryption_application;
8288
ebd5c71b9f02 Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents: 8286
diff changeset
2072 pkt->plaintext = buf;
8206
8d6ac639feac Added support of multiple QUIC packets in single datagram.
Vladimir Homutov <vl@nginx.com>
parents: 8205
diff changeset
2073
8339
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
2074 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
aba84d9ab256 Parsing of truncated packet numbers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8338
diff changeset
2075
8446
df29219988bc Discard short packets which could not be decrypted.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8443
diff changeset
2076 rc = ngx_quic_decrypt(pkt, c->ssl->connection, &ctx->largest_pn);
df29219988bc Discard short packets which could not be decrypted.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8443
diff changeset
2077 if (rc != NGX_OK) {
8386
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
2078 qc->error = pkt->error;
8536
c6b963de0c00 QUIC: pass return code from ngx_quic_decrypt() to the caller.
Vladimir Homutov <vl@nginx.com>
parents: 8535
diff changeset
2079 qc->error_reason = "failed to decrypt packet";
8446
df29219988bc Discard short packets which could not be decrypted.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8443
diff changeset
2080 return rc;
8185
6a76d9657772 QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8184
diff changeset
2081 }
6a76d9657772 QUIC handshake final bits.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8184
diff changeset
2082
8470
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2083 ngx_gettimeofday(&pkt->received);
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2084
8319
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2085 /* switch keys on Key Phase change */
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2086
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2087 if (pkt->key_update) {
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2088 c->quic->key_phase ^= 1;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2089
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2090 tmp = *keys;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2091 *keys = *next;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2092 *next = tmp;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2093 }
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2094
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2095 rc = ngx_quic_payload_handler(c, pkt);
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2096
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2097 if (rc == NGX_ERROR) {
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2098 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2099 }
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2100
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2101 /* generate next keys */
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2102
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2103 if (pkt->key_update) {
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2104 if (ngx_quic_key_update(c, keys, next) != NGX_OK) {
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2105 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2106 }
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2107 }
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2108
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
2109 return rc;
8182
b28ea685a56e Moved all QUIC code into ngx_event_quic.c
Vladimir Homutov <vl@nginx.com>
parents: 8180
diff changeset
2110 }
8171
4daf03d2bd0a OpenSSL compatibility.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
2111
4daf03d2bd0a OpenSSL compatibility.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
2112
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2113 static ngx_int_t
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2114 ngx_quic_payload_handler(ngx_connection_t *c, ngx_quic_header_t *pkt)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2115 {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2116 u_char *end, *p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2117 ssize_t len;
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2118 ngx_uint_t ack_sent, do_close;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2119 ngx_quic_frame_t frame;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2120 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2121
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2122 qc = c->quic;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2123
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2124 if (qc->closing) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2125 /*
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2126 * 10.1 Closing and Draining Connection States
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2127 * ... delayed or reordered packets are properly discarded.
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2128 *
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2129 * An endpoint retains only enough information to generate
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2130 * a packet containing a CONNECTION_CLOSE frame and to identify
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2131 * packets as belonging to the connection.
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2132 */
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2133
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2134 qc->error_level = pkt->level;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2135 qc->error = NGX_QUIC_ERR_NO_ERROR;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2136 qc->error_reason = "connection is closing, packet discarded";
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2137 qc->error_ftype = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2138 qc->error_app = 0;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2139
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2140 return ngx_quic_send_cc(c);
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2141 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2142
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2143 p = pkt->payload.data;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2144 end = p + pkt->payload.len;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2145
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2146 ack_sent = 0;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2147 do_close = 0;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2148
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2149 while (p < end) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2150
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
2151 c->log->action = "parsing frames";
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
2152
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8239
diff changeset
2153 len = ngx_quic_parse_frame(pkt, p, end, &frame);
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8247
diff changeset
2154
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2155 if (len < 0) {
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2156 qc->error = pkt->error;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2157 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2158 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2159
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
2160 c->log->action = "handling frames";
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
2161
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2162 p += len;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2163
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2164 switch (frame.type) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2165
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2166 case NGX_QUIC_FT_ACK:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2167 if (ngx_quic_handle_ack_frame(c, pkt, &frame.u.ack) != NGX_OK) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2168 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2169 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2170
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2171 continue;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2172
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2173 case NGX_QUIC_FT_PADDING:
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2174 /* no action required */
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2175 continue;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2176
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2177 case NGX_QUIC_FT_CONNECTION_CLOSE:
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2178 case NGX_QUIC_FT_CONNECTION_CLOSE_APP:
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2179 do_close = 1;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2180 continue;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2181 }
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2182
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2183 /* got there with ack-eliciting packet */
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2184
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2185 if (!ack_sent) {
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2186 if (ngx_quic_send_ack(c, pkt) != NGX_OK) {
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2187 return NGX_ERROR;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2188 }
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2189
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2190 ack_sent = 1;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2191 }
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2192
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2193 switch (frame.type) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2194
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2195 case NGX_QUIC_FT_CRYPTO:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2196
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2197 if (ngx_quic_handle_crypto_frame(c, pkt, &frame) != NGX_OK) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2198 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2199 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2200
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2201 break;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2202
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2203 case NGX_QUIC_FT_PING:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2204 break;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2205
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2206 case NGX_QUIC_FT_STREAM0:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2207 case NGX_QUIC_FT_STREAM1:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2208 case NGX_QUIC_FT_STREAM2:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2209 case NGX_QUIC_FT_STREAM3:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2210 case NGX_QUIC_FT_STREAM4:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2211 case NGX_QUIC_FT_STREAM5:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2212 case NGX_QUIC_FT_STREAM6:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2213 case NGX_QUIC_FT_STREAM7:
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2214
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2215 if (ngx_quic_handle_stream_frame(c, pkt, &frame) != NGX_OK) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2216 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2217 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2218
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2219 break;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2220
8237
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
2221 case NGX_QUIC_FT_MAX_DATA:
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2222
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2223 if (ngx_quic_handle_max_data_frame(c, &frame.u.max_data) != NGX_OK)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2224 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2225 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2226 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2227
8237
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
2228 break;
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
2229
8236
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
2230 case NGX_QUIC_FT_STREAMS_BLOCKED:
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
2231 case NGX_QUIC_FT_STREAMS_BLOCKED2:
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2232
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2233 if (ngx_quic_handle_streams_blocked_frame(c, pkt,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2234 &frame.u.streams_blocked)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2235 != NGX_OK)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2236 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2237 return NGX_ERROR;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2238 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
2239
8236
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
2240 break;
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
2241
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2242 case NGX_QUIC_FT_STREAM_DATA_BLOCKED:
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2243
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2244 if (ngx_quic_handle_stream_data_blocked_frame(c, pkt,
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2245 &frame.u.stream_data_blocked)
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2246 != NGX_OK)
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2247 {
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2248 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2249 }
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2250
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2251 break;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
2252
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2253 case NGX_QUIC_FT_MAX_STREAM_DATA:
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2254
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2255 if (ngx_quic_handle_max_stream_data_frame(c, pkt,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2256 &frame.u.max_stream_data)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2257 != NGX_OK)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2258 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2259 return NGX_ERROR;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2260 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2261
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2262 break;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
2263
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2264 case NGX_QUIC_FT_RESET_STREAM:
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2265
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2266 if (ngx_quic_handle_reset_stream_frame(c, pkt,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2267 &frame.u.reset_stream)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2268 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2269 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2270 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2271 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2272
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2273 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2274
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2275 case NGX_QUIC_FT_STOP_SENDING:
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2276
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2277 if (ngx_quic_handle_stop_sending_frame(c, pkt,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2278 &frame.u.stop_sending)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2279 != NGX_OK)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2280 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2281 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2282 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2283
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2284 break;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
2285
8495
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2286 case NGX_QUIC_FT_MAX_STREAMS:
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2287 case NGX_QUIC_FT_MAX_STREAMS2:
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2288
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2289 if (ngx_quic_handle_max_streams_frame(c, pkt, &frame.u.max_streams)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2290 != NGX_OK)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2291 {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2292 return NGX_ERROR;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2293 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2294
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2295 break;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
2296
8531
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2297 case NGX_QUIC_FT_PATH_CHALLENGE:
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2298
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2299 if (ngx_quic_handle_path_challenge_frame(c, pkt,
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2300 &frame.u.path_challenge)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2301 != NGX_OK)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2302 {
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2303 return NGX_ERROR;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2304 }
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2305
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2306 break;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
2307
8325
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2308 case NGX_QUIC_FT_NEW_CONNECTION_ID:
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2309
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2310 if (ngx_quic_handle_new_connection_id_frame(c, pkt, &frame.u.ncid)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2311 != NGX_OK)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2312 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2313 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2314 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2315
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2316 break;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
2317
8325
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2318 case NGX_QUIC_FT_RETIRE_CONNECTION_ID:
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2319 case NGX_QUIC_FT_PATH_RESPONSE:
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2320
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2321 /* TODO: handle */
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2322 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2323 "quic frame handler not implemented");
8325
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2324 break;
9b9d592c0da3 Ignore non-yet-implemented frames.
Vladimir Homutov <vl@nginx.com>
parents: 8322
diff changeset
2325
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2326 default:
8346
4e4485793418 Added MAX_STREAM_DATA stub handler.
Vladimir Homutov <vl@nginx.com>
parents: 8345
diff changeset
2327 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2328 "quic missing frame handler");
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2329 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2330 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2331 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2332
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2333 if (p != end) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2334 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
2335 "quic trailing garbage in payload: %ui bytes", end - p);
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2336
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2337 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2338 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2339 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2340
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2341 if (do_close) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2342 qc->draining = 1;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2343 ngx_quic_close_connection(c, NGX_OK);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2344 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2345
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2346 return NGX_OK;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2347 }
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2348
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2349
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2350 static ngx_int_t
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2351 ngx_quic_send_ack(ngx_connection_t *c, ngx_quic_header_t *pkt)
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2352 {
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2353 ngx_quic_frame_t *frame;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2354
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
2355 c->log->action = "generating acknowledgment";
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
2356
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2357 /* every ACK-eliciting packet is acknowledged, TODO ACK Ranges */
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2358
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2359 frame = ngx_quic_alloc_frame(c, 0);
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2360 if (frame == NULL) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2361 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2362 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2363
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2364 frame->level = (pkt->level == ssl_encryption_early_data)
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2365 ? ssl_encryption_application
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2366 : pkt->level;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2368 frame->type = NGX_QUIC_FT_ACK;
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2369 frame->u.ack.largest = pkt->pn;
8470
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2370 frame->u.ack.delay = ngx_quic_ack_delay(c, &pkt->received, frame->level);
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2371
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
2372 ngx_sprintf(frame->info, "ACK for PN=%uL from frame handler level=%d",
8367
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2373 pkt->pn, frame->level);
c10e7d48aa85 Factored out sending ACK from payload handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8365
diff changeset
2374 ngx_quic_queue_frame(c->quic, frame);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2375
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
2376 return NGX_OK;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2377 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2378
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2379
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2380 static ngx_int_t
8470
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2381 ngx_quic_ack_delay(ngx_connection_t *c, struct timeval *received,
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2382 enum ssl_encryption_level_t level)
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2383 {
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2384 ngx_int_t ack_delay;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2385 struct timeval tv;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2386
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2387 ack_delay = 0;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2388
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2389 if (level == ssl_encryption_application) {
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2390 ngx_gettimeofday(&tv);
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2391 ack_delay = (tv.tv_sec - received->tv_sec) * 1000000
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2392 + tv.tv_usec - received->tv_usec;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2393 ack_delay >>= c->quic->ctp.ack_delay_exponent;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2394 }
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2395
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2396 return ack_delay;
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2397 }
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2398
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2399
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8469
diff changeset
2400 static ngx_int_t
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2401 ngx_quic_send_cc(ngx_connection_t *c)
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2402 {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2403 ngx_quic_frame_t *frame;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2404 ngx_quic_connection_t *qc;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2405
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2406 qc = c->quic;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2407
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2408 if (qc->draining) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2409 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2410 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2411
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2412 if (qc->closing
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2413 && ngx_current_msec - qc->last_cc < NGX_QUIC_CC_MIN_INTERVAL)
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2414 {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2415 /* dot not send CC too often */
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2416 return NGX_OK;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2417 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2418
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2419 frame = ngx_quic_alloc_frame(c, 0);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2420 if (frame == NULL) {
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2421 return NGX_ERROR;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2422 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2423
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2424 frame->level = qc->error_level;
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2425 frame->type = NGX_QUIC_FT_CONNECTION_CLOSE;
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2426 frame->u.close.error_code = qc->error;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2427 frame->u.close.frame_type = qc->error_ftype;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2428 frame->u.close.app = qc->error_app;
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2429
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2430 if (qc->error_reason) {
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2431 frame->u.close.reason.len = ngx_strlen(qc->error_reason);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2432 frame->u.close.reason.data = (u_char *) qc->error_reason;
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
2433 }
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
2434
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
2435 ngx_snprintf(frame->info, sizeof(frame->info) - 1,
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2436 "CONNECTION_CLOSE%s err:%ui level:%d ft:%ui reason:\"%s\"",
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2437 qc->error_app ? "_APP" : "", qc->error, qc->error_level,
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8450
diff changeset
2438 qc->error_ftype, qc->error_reason ? qc->error_reason : "-");
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2439
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2440 ngx_quic_queue_frame(c->quic, frame);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2441
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2442 qc->last_cc = ngx_current_msec;
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2443
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2444 return ngx_quic_output(c);
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2445 }
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2446
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2447
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
2448 static ngx_int_t
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2449 ngx_quic_send_new_token(ngx_connection_t *c)
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2450 {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2451 ngx_str_t token;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2452 ngx_quic_frame_t *frame;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2453
8481
0d2b2664b41c QUIC: added "quic" listen parameter.
Roman Arutyunyan <arut@nginx.com>
parents: 8480
diff changeset
2454 if (!c->quic->conf->retry) {
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2455 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2456 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2457
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2458 if (ngx_quic_new_token(c, &token) != NGX_OK) {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2459 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2460 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2461
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2462 frame = ngx_quic_alloc_frame(c, 0);
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2463 if (frame == NULL) {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2464 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2465 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2466
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2467 frame->level = ssl_encryption_application;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2468 frame->type = NGX_QUIC_FT_NEW_TOKEN;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2469 frame->u.token.length = token.len;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2470 frame->u.token.data = token.data;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2471 ngx_sprintf(frame->info, "NEW_TOKEN");
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2472 ngx_quic_queue_frame(c->quic, frame);
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2473
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2474 return NGX_OK;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2475 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2476
8450
Vladimir Homutov <vl@nginx.com>
parents: 8447
diff changeset
2477
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
2478 static ngx_int_t
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2479 ngx_quic_handle_ack_frame(ngx_connection_t *c, ngx_quic_header_t *pkt,
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2480 ngx_quic_ack_frame_t *ack)
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2481 {
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2482 ssize_t n;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2483 u_char *pos, *end;
8502
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
2484 uint64_t min, max, gap, range;
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2485 ngx_msec_t send_time;
8502
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
2486 ngx_uint_t i;
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2487 ngx_quic_send_ctx_t *ctx;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2488 ngx_quic_connection_t *qc;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2489
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2490 qc = c->quic;
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2491
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2492 ctx = ngx_quic_get_send_ctx(qc, pkt->level);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2493
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2494 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2495 "quic ngx_quic_handle_ack_frame level %d", pkt->level);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2496
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2497 /*
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2498 * If any computed packet number is negative, an endpoint MUST
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2499 * generate a connection error of type FRAME_ENCODING_ERROR.
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2500 * (19.3.1)
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2501 */
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2502
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2503 if (ack->first_range > ack->largest) {
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2504 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2505 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
2506 "quic invalid first range in ack frame");
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2507 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2508 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2509
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2510 min = ack->largest - ack->first_range;
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2511 max = ack->largest;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2512
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2513 if (ngx_quic_handle_ack_frame_range(c, ctx, min, max, &send_time)
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2514 != NGX_OK)
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2515 {
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2516 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2517 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2518
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2519 /* 13.2.3. Receiver Tracking of ACK Frames */
8512
6e1c88f82280 QUIC: changed ctx->largest_ack initial value to type maximum.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8509
diff changeset
2520 if (ctx->largest_ack < max || ctx->largest_ack == (uint64_t) -1) {
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
2521 ctx->largest_ack = max;
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2522 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8502
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
2523 "quic updated largest received ack: %uL", max);
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2524
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2525 /*
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2526 * An endpoint generates an RTT sample on receiving an
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2527 * ACK frame that meets the following two conditions:
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2528 *
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2529 * - the largest acknowledged packet number is newly acknowledged
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2530 * - at least one of the newly acknowledged packets was ack-eliciting.
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2531 */
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2532
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2533 if (send_time != NGX_TIMER_INFINITE) {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2534 ngx_quic_rtt_sample(c, ack, pkt->level, send_time);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2535 }
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2536 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2537
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2538 pos = ack->ranges_start;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2539 end = ack->ranges_end;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2540
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2541 for (i = 0; i < ack->range_count; i++) {
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2542
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2543 n = ngx_quic_parse_ack_range(pkt, pos, end, &gap, &range);
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2544 if (n == NGX_ERROR) {
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2545 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2546 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2547 pos += n;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2548
8502
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
2549 if (gap + 2 > min) {
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2550 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2551 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
2552 "quic invalid range %ui in ack frame", i);
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2553 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2554 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2555
8502
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
2556 max = min - gap - 2;
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
2557
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
2558 if (range > max) {
8471
9ed4c12ec948 QUIC: caching c->quic in the ngx_quic_handle_ack_frame() function.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
2559 qc->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2560 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
2561 "quic invalid range %ui in ack frame", i);
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2562 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2563 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2564
8502
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
2565 min = max - range;
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2566
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2567 if (ngx_quic_handle_ack_frame_range(c, ctx, min, max, &send_time)
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2568 != NGX_OK)
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2569 {
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2570 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2571 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2572 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2573
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
2574 return ngx_quic_detect_lost(c);
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2575 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2576
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2577
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2578 static ngx_int_t
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
2579 ngx_quic_handle_ack_frame_range(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx,
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2580 uint64_t min, uint64_t max, ngx_msec_t *send_time)
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2581 {
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2582 uint64_t found_num;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2583 ngx_uint_t found;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2584 ngx_queue_t *q;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2585 ngx_quic_frame_t *f;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2586 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2587
8502
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
2588 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
2589 "quic handle ack range: min:%uL max:%uL", min, max);
69033a50c3ae QUIC: fixed ACK Ranges processing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8501
diff changeset
2590
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2591 qc = c->quic;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2592
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2593 *send_time = NGX_TIMER_INFINITE;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2594 found = 0;
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2595 found_num = 0;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2596
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2597 q = ngx_queue_last(&ctx->sent);
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
2598
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
2599 while (q != ngx_queue_sentinel(&ctx->sent)) {
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2600
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2601 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2602 q = ngx_queue_prev(q);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2603
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2604 if (f->pnum >= min && f->pnum <= max) {
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2605 ngx_quic_congestion_ack(c, f);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2606
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2607 ngx_quic_handle_stream_ack(c, f);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2608
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2609 if (f->pnum > found_num || !found) {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2610 *send_time = f->last;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2611 found_num = f->pnum;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2612 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2613
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2614 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2615 ngx_quic_free_frame(c, f);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2616 found = 1;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2617 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2618 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2619
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2620 if (!found) {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2621
8437
4e75267865de QUIC: fixed off-by-one in frame range handler.
Vladimir Homutov <vl@nginx.com>
parents: 8436
diff changeset
2622 if (max < ctx->pnum) {
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2623 /* duplicate ACK or ACK for non-ack-eliciting frame */
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8325
diff changeset
2624 return NGX_OK;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2625 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2626
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2627 ngx_log_error(NGX_LOG_INFO, c->log, 0,
8401
Vladimir Homutov <vl@nginx.com>
parents: 8400
diff changeset
2628 "quic ACK for the packet not sent");
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2629
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2630 qc->error = NGX_QUIC_ERR_PROTOCOL_VIOLATION;
8399
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
2631 qc->error_ftype = NGX_QUIC_FT_ACK;
ffd362e87eb2 Added more context to CONNECTION CLOSE frames.
Vladimir Homutov <vl@nginx.com>
parents: 8398
diff changeset
2632 qc->error_reason = "unknown packet number";
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
2633
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2634 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2635 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
2636
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2637 if (!qc->push.timer_set) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2638 ngx_post_event(&qc->push, &ngx_posted_events);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2639 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2640
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2641 qc->pto_count = 0;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2642
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2643 return NGX_OK;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2644 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2645
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2646
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2647 static void
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2648 ngx_quic_rtt_sample(ngx_connection_t *c, ngx_quic_ack_frame_t *ack,
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2649 enum ssl_encryption_level_t level, ngx_msec_t send_time)
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2650 {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2651 ngx_msec_t latest_rtt, ack_delay, adjusted_rtt, rttvar_sample;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2652 ngx_quic_connection_t *qc;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2653
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2654 qc = c->quic;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2655
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2656 latest_rtt = ngx_current_msec - send_time;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2657 qc->latest_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2658
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2659 if (qc->min_rtt == NGX_TIMER_INFINITE) {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2660 qc->min_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2661 qc->avg_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2662 qc->rttvar = latest_rtt / 2;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2663
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2664 } else {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2665 qc->min_rtt = ngx_min(qc->min_rtt, latest_rtt);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2666
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2667
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2668 if (level == ssl_encryption_application) {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2669 ack_delay = ack->delay * (1 << qc->ctp.ack_delay_exponent) / 1000;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2670 ack_delay = ngx_min(ack_delay, qc->ctp.max_ack_delay);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2671
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2672 } else {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2673 ack_delay = 0;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2674 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2675
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2676 adjusted_rtt = latest_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2677
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2678 if (qc->min_rtt + ack_delay < latest_rtt) {
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2679 adjusted_rtt -= ack_delay;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2680 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2681
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2682 qc->avg_rtt = 0.875 * qc->avg_rtt + 0.125 * adjusted_rtt;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2683 rttvar_sample = ngx_abs((ngx_msec_int_t) (qc->avg_rtt - adjusted_rtt));
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2684 qc->rttvar = 0.75 * qc->rttvar + 0.25 * rttvar_sample;
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2685 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2686
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2687 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2688 "quic rtt sample: latest %M, min %M, avg %M, var %M",
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2689 latest_rtt, qc->min_rtt, qc->avg_rtt, qc->rttvar);
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2690 }
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2691
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2692
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2693 static ngx_inline ngx_msec_t
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2694 ngx_quic_pto(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx)
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2695 {
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2696 ngx_msec_t duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2697 ngx_quic_connection_t *qc;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2698
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2699 qc = c->quic;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2700
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2701 /* PTO calculation: quic-recovery, Appendix 8 */
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2702 duration = qc->avg_rtt;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2703
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2704 duration += ngx_max(4 * qc->rttvar, NGX_QUIC_TIME_GRANULARITY);
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2705 duration <<= qc->pto_count;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2706
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2707 if (qc->congestion.in_flight == 0) { /* no in-flight packets */
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2708 return duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2709 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2710
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2711 if (ctx == &qc->send_ctx[2] && c->ssl->handshaked) {
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2712 /* application send space */
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2713
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2714 duration += qc->tp.max_ack_delay << qc->pto_count;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2715 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2716
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2717 return duration;
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2718 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2719
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
2720
8469
3b107aadc9f6 QUIC: added rtt estimation.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
2721 static void
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2722 ngx_quic_handle_stream_ack(ngx_connection_t *c, ngx_quic_frame_t *f)
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2723 {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2724 uint64_t sent, unacked;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2725 ngx_event_t *wev;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2726 ngx_quic_stream_t *sn;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2727 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2728
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2729 if (f->type < NGX_QUIC_FT_STREAM0 || f->type > NGX_QUIC_FT_STREAM7) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2730 return;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2731 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2732
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2733 qc = c->quic;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2734
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2735 sn = ngx_quic_find_stream(&qc->streams.tree, f->u.stream.stream_id);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2736 if (sn == NULL) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2737 return;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2738 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2739
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2740 wev = sn->c->write;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2741 sent = sn->c->sent;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2742 unacked = sent - sn->acked;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2743
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2744 if (unacked >= NGX_QUIC_STREAM_BUFSIZE && wev->active) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2745 wev->ready = 1;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2746 ngx_post_event(wev, &ngx_posted_events);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2747 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2748
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2749 sn->acked += f->u.stream.length;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2750
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2751 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, sn->c->log, 0,
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2752 "quic stream ack %uL acked:%uL, unacked:%uL",
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2753 f->u.stream.length, sn->acked, sent - sn->acked);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2754 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2755
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
2756
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2757 static ngx_int_t
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2758 ngx_quic_handle_ordered_frame(ngx_connection_t *c, ngx_quic_frames_stream_t *fs,
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
2759 ngx_quic_frame_t *frame, ngx_quic_frame_handler_pt handler, void *data)
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2760 {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2761 size_t full_len;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2762 ngx_int_t rc;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2763 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2764 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2765
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2766 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2767
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2768 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2769 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
2770 "quic out-of-order frame: expecting %uL got %uL",
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2771 fs->received, f->offset);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2772
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2773 return ngx_quic_buffer_frame(c, fs, frame);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2774 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2775
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2776 if (f->offset < fs->received) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2777
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2778 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2779 == NGX_DONE)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2780 {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2781 /* old/duplicate data range */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2782 return NGX_OK;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2783 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2784
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2785 /* intersecting data range, frame modified */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2786 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2787
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2788 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2789
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
2790 rc = handler(c, frame, data);
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2791 if (rc == NGX_ERROR) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2792 return NGX_ERROR;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2793
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2794 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2795 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2796 return NGX_OK;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2797 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2798
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2799 /* rc == NGX_OK */
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2800
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2801 fs->received += f->length;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2802
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2803 /* now check the queue if we can continue with buffered frames */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2804
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2805 do {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2806 q = ngx_queue_head(&fs->frames);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2807 if (q == ngx_queue_sentinel(&fs->frames)) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2808 break;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2809 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2810
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2811 frame = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2812 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2813
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2814 if (f->offset > fs->received) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2815 /* gap found, nothing more to do */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2816 break;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2817 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2818
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2819 full_len = f->length;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2820
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2821 if (f->offset < fs->received) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2822
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2823 if (ngx_quic_adjust_frame_offset(c, frame, fs->received)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2824 == NGX_DONE)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2825 {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2826 /* old/duplicate data range */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2827 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2828 fs->total -= f->length;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2829
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2830 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2831 "quic skipped buffered frame, total %ui",
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2832 fs->total);
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2833 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2834 continue;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2835 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2836
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2837 /* frame was adjusted, proceed to input */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2838 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2839
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2840 /* f->offset == fs->received */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2841
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
2842 rc = handler(c, frame, data);
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2843
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2844 if (rc == NGX_ERROR) {
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2845 return NGX_ERROR;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2846
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2847 } else if (rc == NGX_DONE) {
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2848 /* handler destroyed stream, queue no longer exists */
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
2849 return NGX_OK;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2850 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2851
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2852 fs->received += f->length;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2853 fs->total -= full_len;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2854
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2855 ngx_queue_remove(q);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2856
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2857 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2858 "quic consumed buffered frame, total %ui", fs->total);
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2859
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2860 ngx_quic_free_frame(c, frame);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2861
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2862 } while (1);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2863
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2864 return NGX_OK;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2865 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2866
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2867
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2868 static ngx_int_t
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2869 ngx_quic_adjust_frame_offset(ngx_connection_t *c, ngx_quic_frame_t *frame,
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2870 uint64_t offset_in)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2871 {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2872 size_t tail;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2873 ngx_quic_ordered_frame_t *f;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2874
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2875 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2876
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2877 tail = offset_in - f->offset;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2878
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2879 if (tail >= f->length) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2880 /* range preceeding already received data or duplicate, ignore */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2881
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2882 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2883 "quic old or duplicate data in ordered frame, ignored");
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2884 return NGX_DONE;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2885 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2886
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2887 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2888 "quic adjusted ordered frame data start to expected offset");
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2889
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2890 /* intersecting range: adjust data size */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2891
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2892 f->offset += tail;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2893 f->data += tail;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2894 f->length -= tail;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2895
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2896 return NGX_OK;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2897 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2898
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2899
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2900 static ngx_int_t
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2901 ngx_quic_buffer_frame(ngx_connection_t *c, ngx_quic_frames_stream_t *fs,
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2902 ngx_quic_frame_t *frame)
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2903 {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2904 u_char *data;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2905 ngx_queue_t *q;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2906 ngx_quic_frame_t *dst, *item;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2907 ngx_quic_ordered_frame_t *f, *df;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2908
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2909 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2910 "quic ngx_quic_buffer_frame");
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2911
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2912 f = &frame->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2913
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2914 /* frame start offset is in the future, buffer it */
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2915
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2916 dst = ngx_quic_alloc_frame(c, f->length);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2917 if (dst == NULL) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2918 return NGX_ERROR;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2919 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2920
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2921 data = dst->data;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2922 ngx_memcpy(dst, frame, sizeof(ngx_quic_frame_t));
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2923 dst->data = data;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2924
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2925 ngx_memcpy(dst->data, f->data, f->length);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2926
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2927 df = &dst->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2928 df->data = dst->data;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2929
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2930 fs->total += f->length;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2931
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2932 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2933 "quic ordered frame with unexpected offset:"
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
2934 " buffered, total %ui", fs->total);
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2935
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2936 if (ngx_queue_empty(&fs->frames)) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2937 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2938 return NGX_OK;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2939 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2940
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2941 for (q = ngx_queue_last(&fs->frames);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2942 q != ngx_queue_sentinel(&fs->frames);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2943 q = ngx_queue_prev(q))
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2944 {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2945 item = ngx_queue_data(q, ngx_quic_frame_t, queue);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2946 f = &item->u.ord;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2947
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2948 if (f->offset < df->offset) {
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2949 ngx_queue_insert_after(q, &dst->queue);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2950 return NGX_OK;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2951 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2952 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2953
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2954 ngx_queue_insert_after(&fs->frames, &dst->queue);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2955
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2956 return NGX_OK;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2957 }
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2958
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2959
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2960 static ngx_int_t
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2961 ngx_quic_handle_crypto_frame(ngx_connection_t *c, ngx_quic_header_t *pkt,
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2962 ngx_quic_frame_t *frame)
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2963 {
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
2964 uint64_t last;
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2965 ngx_quic_connection_t *qc;
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
2966 ngx_quic_crypto_frame_t *f;
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2967 ngx_quic_frames_stream_t *fs;
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2968
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2969 qc = c->quic;
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2970 fs = &qc->crypto[pkt->level];
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
2971 f = &frame->u.crypto;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
2972
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
2973 /* no overflow since both values are 62-bit */
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
2974 last = f->offset + f->length;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
2975
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
2976 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: 8528
diff changeset
2977 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: 8528
diff changeset
2978 return NGX_ERROR;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
2979 }
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2980
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
2981 return ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_crypto_input,
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
2982 NULL);
8335
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2983 }
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2984
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2985
76839f55bc48 Sorted functions and functions declarations.
Vladimir Homutov <vl@nginx.com>
parents: 8334
diff changeset
2986 static ngx_int_t
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
2987 ngx_quic_crypto_input(ngx_connection_t *c, ngx_quic_frame_t *frame, void *data)
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2988 {
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
2989 int n, sslerr;
8507
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
2990 ngx_queue_t *q;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2991 ngx_ssl_conn_t *ssl_conn;
8393
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
2992 ngx_quic_send_ctx_t *ctx;
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2993 ngx_quic_crypto_frame_t *f;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2994
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2995 f = &frame->u.crypto;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
2996
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2997 ssl_conn = c->ssl->connection;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2998
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
2999 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3000 "quic SSL_quic_read_level: %d, SSL_quic_write_level: %d",
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3001 (int) SSL_quic_read_level(ssl_conn),
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3002 (int) SSL_quic_write_level(ssl_conn));
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3003
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3004 if (!SSL_provide_quic_data(ssl_conn, SSL_quic_read_level(ssl_conn),
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8332
diff changeset
3005 f->data, f->length))
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3006 {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3007 ngx_ssl_error(NGX_LOG_INFO, c->log, 0,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3008 "SSL_provide_quic_data() failed");
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3009 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3010 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3011
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3012 n = SSL_do_handshake(ssl_conn);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3013
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3014 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_do_handshake: %d", n);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3015
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3016 if (n == -1) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3017 sslerr = SSL_get_error(ssl_conn, n);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3018
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3019 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_get_error: %d",
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3020 sslerr);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3021
8300
23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8299
diff changeset
3022 if (sslerr != SSL_ERROR_WANT_READ) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3023 ngx_ssl_error(NGX_LOG_ERR, c->log, 0, "SSL_do_handshake() failed");
8300
23a2b5e7acc8 Improved SSL_do_handshake() error handling in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8299
diff changeset
3024 return NGX_ERROR;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3025 }
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
3026
8302
76818c9cdd6f Sending HANDSHAKE_DONE just once with BoringSSL.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8301
diff changeset
3027 } else if (n == 1 && !SSL_in_init(ssl_conn)) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3028
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
3029 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8299
Sergey Kandaurov <pluknet@nginx.com>
parents: 8294
diff changeset
3030 "quic ssl cipher: %s", SSL_get_cipher(ssl_conn));
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3031
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
3032 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3033 "quic handshake completed successfully");
8273
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8272
diff changeset
3034
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3035 c->ssl->handshaked = 1;
8526
11fc65261689 QUIC: disabled bidirectional SSL shutdown after 09fb2135a589.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8525
diff changeset
3036 c->ssl->no_wait_shutdown = 1;
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3037
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
3038 frame = ngx_quic_alloc_frame(c, 0);
8273
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8272
diff changeset
3039 if (frame == NULL) {
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8272
diff changeset
3040 return NGX_ERROR;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8272
diff changeset
3041 }
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8272
diff changeset
3042
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8272
diff changeset
3043 /* 12.4 Frames and frame types, figure 8 */
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8272
diff changeset
3044 frame->level = ssl_encryption_application;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8272
diff changeset
3045 frame->type = NGX_QUIC_FT_HANDSHAKE_DONE;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8272
diff changeset
3046 ngx_sprintf(frame->info, "HANDSHAKE DONE on handshake completed");
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8272
diff changeset
3047 ngx_quic_queue_frame(c->quic, frame);
8319
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
3048
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3049 if (ngx_quic_send_new_token(c) != NGX_OK) {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3050 return NGX_ERROR;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3051 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
3052
8319
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
3053 /*
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
3054 * Generating next keys before a key update is received.
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
3055 * See quic-tls 9.4 Header Protection Timing Side-Channels.
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
3056 */
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
3057
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
3058 if (ngx_quic_key_update(c, &c->quic->keys[ssl_encryption_application],
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
3059 &c->quic->next_key)
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
3060 != NGX_OK)
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
3061 {
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
3062 return NGX_ERROR;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8316
diff changeset
3063 }
8393
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
3064
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
3065 /*
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
3066 * 4.10.2 An endpoint MUST discard its handshake keys
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
3067 * when the TLS handshake is confirmed
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
3068 */
e169cce912c7 Avoid retransmitting of packets with discarded keys.
Vladimir Homutov <vl@nginx.com>
parents: 8392
diff changeset
3069 ctx = ngx_quic_get_send_ctx(c->quic, ssl_encryption_handshake);
8507
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
3070
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
3071 while (!ngx_queue_empty(&ctx->sent)) {
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
3072 q = ngx_queue_head(&ctx->sent);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
3073 ngx_queue_remove(q);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
3074
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
3075 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: 8506
diff changeset
3076 ngx_quic_congestion_ack(c, frame);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
3077 ngx_quic_free_frame(c, frame);
7f9938cbcd12 QUIC: fixed leak of bytes_in_flight on keys discard.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8506
diff changeset
3078 }
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3079
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
3080 c->quic->pto_count = 0;
8263
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
3081 }
1295b293d09a Connection states code cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
3082
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3083 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3084 "quic SSL_quic_read_level: %d, SSL_quic_write_level: %d",
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3085 (int) SSL_quic_read_level(ssl_conn),
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3086 (int) SSL_quic_write_level(ssl_conn));
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3087
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3088 return NGX_OK;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3089 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3090
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3091
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3092 static ngx_int_t
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3093 ngx_quic_handle_stream_frame(ngx_connection_t *c, ngx_quic_header_t *pkt,
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3094 ngx_quic_frame_t *frame)
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3095 {
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3096 size_t window;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3097 uint64_t last;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3098 ngx_buf_t *b;
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3099 ngx_pool_t *pool;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3100 ngx_connection_t *sc;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3101 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3102 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3103 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3104 ngx_quic_frames_stream_t *fs;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3105
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3106 qc = c->quic;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3107 f = &frame->u.stream;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3108
8427
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
3109 if ((f->stream_id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
3110 && (f->stream_id & NGX_QUIC_STREAM_SERVER_INITIATED))
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
3111 {
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
3112 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
3113 return NGX_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
3114 }
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
3115
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3116 /* no overflow since both values are 62-bit */
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3117 last = f->offset + f->length;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3118
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3119 sn = ngx_quic_find_stream(&qc->streams.tree, f->stream_id);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3120
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3121 if (sn == NULL) {
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3122 sn = ngx_quic_create_client_stream(c, f->stream_id);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3123
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3124 if (sn == NULL) {
8427
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
3125 return NGX_ERROR;
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
3126 }
d437ee1ce81e Reject invalid STREAM ID with STREAM_STATE_ERROR connection error.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
3127
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3128 if (sn == NGX_QUIC_STREAM_GONE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3129 return NGX_OK;
8496
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
3130 }
8337
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
3131
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3132 sc = sn->c;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3133 fs = &sn->fs;
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3134 b = sn->b;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3135 window = b->end - b->last;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3136
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3137 if (last > window) {
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3138 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: 8528
diff changeset
3139 goto cleanup;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3140 }
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3141
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3142 if (ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_stream_input,
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3143 sn)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3144 != NGX_OK)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3145 {
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3146 goto cleanup;
8337
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
3147 }
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
3148
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3149 sc->listening->handler(sc);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3150
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3151 return NGX_OK;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3152 }
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3153
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3154 fs = &sn->fs;
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3155 b = sn->b;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3156 window = (b->pos - b->start) + (b->end - b->last);
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3157
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3158 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: 8528
diff changeset
3159 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: 8528
diff changeset
3160 return NGX_ERROR;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3161 }
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3162
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
3163 return ngx_quic_handle_ordered_frame(c, fs, frame, ngx_quic_stream_input,
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
3164 sn);
8530
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3165
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3166 cleanup:
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3167
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3168 pool = sc->pool;
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3169
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3170 ngx_close_connection(sc);
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3171 ngx_destroy_pool(pool);
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3172
f882b1784f30 QUIC: enforce flow control on incoming STREAM and CRYPTO frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
3173 return NGX_ERROR;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3174 }
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3175
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3176
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3177 static ngx_int_t
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
3178 ngx_quic_stream_input(ngx_connection_t *c, ngx_quic_frame_t *frame, void *data)
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3179 {
8501
fc16e303003a QUIC: fixed possible use-after-free on stream cleanup.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8500
diff changeset
3180 uint64_t id;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3181 ngx_buf_t *b;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3182 ngx_event_t *rev;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3183 ngx_quic_stream_t *sn;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3184 ngx_quic_connection_t *qc;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3185 ngx_quic_stream_frame_t *f;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3186
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3187 qc = c->quic;
8378
81a4f98a2556 Cleaned up reordering code.
Vladimir Homutov <vl@nginx.com>
parents: 8377
diff changeset
3188 sn = data;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3189
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3190 f = &frame->u.stream;
8501
fc16e303003a QUIC: fixed possible use-after-free on stream cleanup.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8500
diff changeset
3191 id = f->stream_id;
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3192
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3193 b = sn->b;
8337
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
3194
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
3195 if ((size_t) ((b->pos - b->start) + (b->end - b->last)) < f->length) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
3196 ngx_log_error(NGX_LOG_INFO, c->log, 0,
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
3197 "quic no space in stream buffer");
8337
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
3198 return NGX_ERROR;
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
3199 }
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
3200
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
3201 if ((size_t) (b->end - b->last) < f->length) {
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
3202 b->last = ngx_movemem(b->start, b->pos, b->last - b->pos);
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
3203 b->pos = b->start;
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
3204 }
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
3205
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
3206 b->last = ngx_cpymem(b->last, f->data, f->length);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3207
8294
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 8293
diff changeset
3208 rev = sn->c->read;
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 8293
diff changeset
3209 rev->ready = 1;
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 8293
diff changeset
3210
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 8293
diff changeset
3211 if (f->fin) {
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 8293
diff changeset
3212 rev->pending_eof = 1;
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 8293
diff changeset
3213 }
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3214
8337
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
3215 if (rev->active) {
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
3216 rev->handler(rev);
8314
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3217 }
de8981bf2dd5 Advertizing MAX_STREAMS (0x12) credit in advance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8312
diff changeset
3218
8337
ab443e80d9e4 Create new stream immediately on receiving new stream id.
Vladimir Homutov <vl@nginx.com>
parents: 8336
diff changeset
3219 /* check if stream was destroyed by handler */
8501
fc16e303003a QUIC: fixed possible use-after-free on stream cleanup.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8500
diff changeset
3220 if (ngx_quic_find_stream(&qc->streams.tree, id) == NULL) {
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3221 return NGX_DONE;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3222 }
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3223
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3224 return NGX_OK;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3225 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3226
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3227
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3228 static ngx_int_t
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3229 ngx_quic_handle_max_data_frame(ngx_connection_t *c,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3230 ngx_quic_max_data_frame_t *f)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3231 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3232 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3233 ngx_rbtree_t *tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3234 ngx_rbtree_node_t *node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3235 ngx_quic_stream_t *qs;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3236 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3237
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3238 qc = c->quic;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3239 tree = &qc->streams.tree;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3240
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3241 if (f->max_data <= qc->streams.send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3242 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3243 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3244
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3245 if (qc->streams.sent >= qc->streams.send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3246
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3247 for (node = ngx_rbtree_min(tree->root, tree->sentinel);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3248 node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3249 node = ngx_rbtree_next(tree, node))
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3250 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3251 qs = (ngx_quic_stream_t *) node;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3252 wev = qs->c->write;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3253
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3254 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3255 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3256 ngx_post_event(wev, &ngx_posted_events);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3257 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3258 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3259 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3260
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3261 qc->streams.send_max_data = f->max_data;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3262
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3263 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3264 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3265
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3266
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3267 static ngx_int_t
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3268 ngx_quic_handle_streams_blocked_frame(ngx_connection_t *c,
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3269 ngx_quic_header_t *pkt, ngx_quic_streams_blocked_frame_t *f)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3270 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3271 return NGX_OK;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3272 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3273
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
3274
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3275 static ngx_int_t
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3276 ngx_quic_handle_stream_data_blocked_frame(ngx_connection_t *c,
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3277 ngx_quic_header_t *pkt, ngx_quic_stream_data_blocked_frame_t *f)
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3278 {
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
3279 size_t n;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
3280 ngx_buf_t *b;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
3281 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
3282 ngx_quic_stream_t *sn;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
3283 ngx_quic_connection_t *qc;
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3284
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3285 qc = c->quic;
8429
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3286
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3287 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3288 && (f->id & NGX_QUIC_STREAM_SERVER_INITIATED))
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3289 {
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3290 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3291 return NGX_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3292 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3293
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3294 sn = ngx_quic_find_stream(&qc->streams.tree, f->id);
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3295
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3296 if (sn == NULL) {
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3297 sn = ngx_quic_create_client_stream(c, f->id);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3298
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3299 if (sn == NULL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3300 return NGX_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3301 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3302
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3303 if (sn == NGX_QUIC_STREAM_GONE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3304 return NGX_OK;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3305 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3306
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3307 b = sn->b;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3308 n = b->end - b->last;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3309
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3310 sn->c->listening->handler(sn->c);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3311
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3312 } else {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3313 b = sn->b;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3314 n = sn->fs.received + (b->pos - b->start) + (b->end - b->last);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3315 }
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3316
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
3317 frame = ngx_quic_alloc_frame(c, 0);
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3318 if (frame == NULL) {
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3319 return NGX_ERROR;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3320 }
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3321
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3322 frame->level = pkt->level;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3323 frame->type = NGX_QUIC_FT_MAX_STREAM_DATA;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3324 frame->u.max_stream_data.id = f->id;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3325 frame->u.max_stream_data.limit = n;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3326
8500
12576ac9556d QUIC: fixed format specifiers and removed casts.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8499
diff changeset
3327 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: 8499
diff changeset
3328 frame->u.max_stream_data.id,
12576ac9556d QUIC: fixed format specifiers and removed casts.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8499
diff changeset
3329 frame->u.max_stream_data.limit,
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3330 frame->level);
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3331
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3332 ngx_quic_queue_frame(c->quic, frame);
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3333
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3334 return NGX_OK;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3335 }
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3336
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
3337
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3338 static ngx_int_t
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3339 ngx_quic_handle_max_stream_data_frame(ngx_connection_t *c,
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3340 ngx_quic_header_t *pkt, ngx_quic_max_stream_data_frame_t *f)
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3341 {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3342 uint64_t sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3343 ngx_event_t *wev;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3344 ngx_quic_stream_t *sn;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3345 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3346
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3347 qc = c->quic;
8429
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3348
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3349 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3350 && (f->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0)
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3351 {
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3352 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3353 return NGX_ERROR;
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3354 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3355
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3356 sn = ngx_quic_find_stream(&qc->streams.tree, f->id);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3357
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3358 if (sn == NULL) {
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3359 sn = ngx_quic_create_client_stream(c, f->id);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3360
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3361 if (sn == NULL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3362 return NGX_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3363 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3364
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3365 if (sn == NGX_QUIC_STREAM_GONE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3366 return NGX_OK;
8429
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3367 }
8fc9fcf18608 Stream ID handling in MAX_STREAM_DATA and STREAM_DATA_BLOCKED.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8428
diff changeset
3368
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3369 if (f->limit > sn->send_max_data) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3370 sn->send_max_data = f->limit;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3371 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3372
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3373 sn->c->listening->handler(sn->c);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3374
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
3375 return NGX_OK;
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3376 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3377
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3378 if (f->limit <= sn->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3379 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3380 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3381
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3382 sent = sn->c->sent;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3383
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3384 if (sent >= sn->send_max_data) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3385 wev = sn->c->write;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3386
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3387 if (wev->active) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3388 wev->ready = 1;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3389 ngx_post_event(wev, &ngx_posted_events);
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3390 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3391 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3392
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3393 sn->send_max_data = f->limit;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3394
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3395 return NGX_OK;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3396 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3397
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
3398
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3399 static ngx_int_t
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3400 ngx_quic_handle_reset_stream_frame(ngx_connection_t *c,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3401 ngx_quic_header_t *pkt, ngx_quic_reset_stream_frame_t *f)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3402 {
8505
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3403 ngx_event_t *rev;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3404 ngx_connection_t *sc;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3405 ngx_quic_stream_t *sn;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3406 ngx_quic_connection_t *qc;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3407
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3408 qc = c->quic;
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3409
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3410 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3411 && (f->id & NGX_QUIC_STREAM_SERVER_INITIATED))
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3412 {
8505
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3413 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3414 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3415 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3416
8505
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3417 sn = ngx_quic_find_stream(&qc->streams.tree, f->id);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3418
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3419 if (sn == NULL) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3420 sn = ngx_quic_create_client_stream(c, f->id);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3421
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3422 if (sn == NULL) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3423 return NGX_ERROR;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3424 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3425
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3426 if (sn == NGX_QUIC_STREAM_GONE) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3427 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3428 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3429
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3430 sc = sn->c;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3431
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3432 rev = sc->read;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3433 rev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3434 rev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3435
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3436 sc->listening->handler(sc);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3437
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3438 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3439 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3440
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3441 rev = sn->c->read;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3442 rev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3443 rev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3444
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3445 if (rev->active) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3446 rev->handler(rev);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3447 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3448
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3449 return NGX_OK;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3450 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3451
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3452
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3453 static ngx_int_t
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3454 ngx_quic_handle_stop_sending_frame(ngx_connection_t *c,
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3455 ngx_quic_header_t *pkt, ngx_quic_stop_sending_frame_t *f)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3456 {
8505
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3457 ngx_event_t *wev;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3458 ngx_connection_t *sc;
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3459 ngx_quic_stream_t *sn;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3460 ngx_quic_connection_t *qc;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3461
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3462 qc = c->quic;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3463
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3464 if ((f->id & NGX_QUIC_STREAM_UNIDIRECTIONAL)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3465 && (f->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0)
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3466 {
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3467 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3468 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3469 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3470
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3471 sn = ngx_quic_find_stream(&qc->streams.tree, f->id);
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3472
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3473 if (sn == NULL) {
8505
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3474 sn = ngx_quic_create_client_stream(c, f->id);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3475
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3476 if (sn == NULL) {
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3477 return NGX_ERROR;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3478 }
8505
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3479
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3480 if (sn == NGX_QUIC_STREAM_GONE) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3481 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3482 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3483
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3484 sc = sn->c;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3485
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3486 wev = sc->write;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3487 wev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3488 wev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3489
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3490 sc->listening->handler(sc);
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3491
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3492 return NGX_OK;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3493 }
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3494
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3495 wev = sn->c->write;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3496 wev->error = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3497 wev->ready = 1;
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3498
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3499 if (wev->active) {
240931629995 QUIC: handle client RESET_STREAM and STOP_SENDING.
Roman Arutyunyan <arut@nginx.com>
parents: 8504
diff changeset
3500 wev->handler(wev);
8428
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3501 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3502
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3503 return NGX_OK;
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3504 }
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3505
953cf44708b0 Stream ID handling in RESET_STREAM and STOP_SENDING frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8427
diff changeset
3506
8495
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3507 static ngx_int_t
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3508 ngx_quic_handle_max_streams_frame(ngx_connection_t *c,
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3509 ngx_quic_header_t *pkt, ngx_quic_max_streams_frame_t *f)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3510 {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3511 ngx_quic_connection_t *qc;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3512
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3513 qc = c->quic;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3514
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3515 if (f->bidi) {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3516 if (qc->streams.server_max_streams_bidi < f->limit) {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3517 qc->streams.server_max_streams_bidi = f->limit;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3518
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3519 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3520 "quic max_streams_bidi:%uL", f->limit);
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3521 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3522
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3523 } else {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3524 if (qc->streams.server_max_streams_uni < f->limit) {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3525 qc->streams.server_max_streams_uni = f->limit;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3526
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3527 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3528 "quic max_streams_uni:%uL", f->limit);
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3529 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3530 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3531
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3532 return NGX_OK;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3533 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3534
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
3535
8531
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3536 static ngx_int_t
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3537 ngx_quic_handle_path_challenge_frame(ngx_connection_t *c,
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3538 ngx_quic_header_t *pkt, ngx_quic_path_challenge_frame_t *f)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3539 {
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3540 ngx_quic_frame_t *frame;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3541
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3542 frame = ngx_quic_alloc_frame(c, 0);
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3543 if (frame == NULL) {
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3544 return NGX_ERROR;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3545 }
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3546
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3547 frame->level = pkt->level;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3548 frame->type = NGX_QUIC_FT_PATH_RESPONSE;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3549 frame->u.path_response = *f;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3550
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3551 ngx_sprintf(frame->info, "PATH_RESPONSE data:0x%xL level:%d",
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3552 *(uint64_t *) &f->data, frame->level);
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3553
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3554 ngx_quic_queue_frame(c->quic, frame);
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3555
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3556 return NGX_OK;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3557 }
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3558
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8530
diff changeset
3559
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3560 static ngx_int_t
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3561 ngx_quic_handle_new_connection_id_frame(ngx_connection_t *c,
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3562 ngx_quic_header_t *pkt, ngx_quic_new_conn_id_frame_t *f)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3563 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3564 ngx_queue_t *q;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3565 ngx_quic_client_id_t *cid, *item;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3566 ngx_quic_connection_t *qc;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3567
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3568 qc = c->quic;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3569
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3570 if (f->seqnum < qc->max_retired_seqnum) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3571 /*
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3572 * An endpoint that receives a NEW_CONNECTION_ID frame with
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3573 * a sequence number smaller than the Retire Prior To field
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3574 * of a previously received NEW_CONNECTION_ID frame MUST send
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3575 * a corresponding RETIRE_CONNECTION_ID frame that retires
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3576 * the newly received connection ID, unless it has already
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3577 * done so for that sequence number.
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3578 */
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3579
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3580 if (ngx_quic_retire_connection_id(c, pkt->level, f->seqnum) != NGX_OK) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3581 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3582 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3583
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3584 goto retire;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3585 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3586
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3587 cid = NULL;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3588
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3589 for (q = ngx_queue_head(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3590 q != ngx_queue_sentinel(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3591 q = ngx_queue_next(q))
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3592 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3593 item = ngx_queue_data(q, ngx_quic_client_id_t, queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3594
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3595 if (item->seqnum == f->seqnum) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3596 cid = item;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3597 break;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3598 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3599 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3600
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3601 if (cid) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3602 /*
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3603 * Transmission errors, timeouts and retransmissions might cause the
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3604 * same NEW_CONNECTION_ID frame to be received multiple times
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3605 */
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3606
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3607 if (cid->len != f->len
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3608 || ngx_strncmp(cid->id, f->cid, f->len) != 0
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3609 || 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: 8536
diff changeset
3610 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3611 /*
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3612 * ..a sequence number is used for different connection IDs,
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3613 * the endpoint MAY treat that receipt as a connection error
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3614 * of type PROTOCOL_VIOLATION.
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3615 */
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3616 qc->error = NGX_QUIC_ERR_PROTOCOL_VIOLATION;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3617 qc->error_reason = "seqnum refers to different connection id/token";
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3618 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3619 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3620
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3621 } else {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3622
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3623 cid = ngx_quic_alloc_connection_id(c);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3624 if (cid == NULL) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3625 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3626 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3627
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3628 cid->seqnum = f->seqnum;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3629 cid->len = f->len;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3630 ngx_memcpy(cid->id, f->cid, f->len);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3631
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3632 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: 8536
diff changeset
3633
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3634 ngx_queue_insert_tail(&qc->client_ids, &cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3635 qc->nclient_ids++;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3636
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3637 /* always use latest available connection id */
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3638 if (f->seqnum > qc->curr_seqnum) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3639 qc->scid.len = cid->len;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3640 qc->scid.data = cid->id;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3641 qc->curr_seqnum = f->seqnum;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3642 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3643 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3644
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3645 retire:
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3646
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3647 if (qc->max_retired_seqnum && f->retire <= qc->max_retired_seqnum) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3648 /*
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3649 * Once a sender indicates a Retire Prior To value, smaller values sent
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3650 * in subsequent NEW_CONNECTION_ID frames have no effect. A receiver
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3651 * MUST ignore any Retire Prior To fields that do not increase the
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3652 * largest received Retire Prior To value.
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3653 */
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3654 goto done;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3655 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3656
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3657 qc->max_retired_seqnum = f->retire;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3658
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3659 q = ngx_queue_head(&qc->client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3660
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3661 while (q != ngx_queue_sentinel(&qc->client_ids)) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3662
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3663 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3664 q = ngx_queue_next(q);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3665
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3666 if (cid->seqnum >= f->retire) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3667 continue;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3668 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3669
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3670 /* this connection id must be retired */
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3671
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3672 if (ngx_quic_retire_connection_id(c, pkt->level, cid->seqnum)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3673 != NGX_OK)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3674 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3675 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3676 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3677
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3678 ngx_queue_remove(&cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3679 ngx_queue_insert_head(&qc->free_client_ids, &cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3680 qc->nclient_ids--;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3681 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3682
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3683 done:
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3684
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3685 if (qc->nclient_ids > qc->tp.active_connection_id_limit) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3686 /*
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3687 * After processing a NEW_CONNECTION_ID frame and
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3688 * adding and retiring active connection IDs, if the number of active
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3689 * connection IDs exceeds the value advertised in its
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3690 * active_connection_id_limit transport parameter, an endpoint MUST
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3691 * close the connection with an error of type CONNECTION_ID_LIMIT_ERROR.
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3692 */
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3693 qc->error = NGX_QUIC_ERR_CONNECTION_ID_LIMIT_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3694 qc->error_reason = "too many connection ids received";
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3695 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3696 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3697
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3698 return NGX_OK;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3699 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3700
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3701
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3702 static ngx_int_t
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3703 ngx_quic_retire_connection_id(ngx_connection_t *c,
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3704 enum ssl_encryption_level_t level, uint64_t seqnum)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3705 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3706 ngx_quic_frame_t *frame;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3707
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3708 frame = ngx_quic_alloc_frame(c, 0);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3709 if (frame == NULL) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3710 return NGX_ERROR;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3711 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3712
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3713 frame->level = level;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3714 frame->type = NGX_QUIC_FT_RETIRE_CONNECTION_ID;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3715 frame->u.retire_cid.sequence_number = seqnum;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3716
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3717 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: 8536
diff changeset
3718 seqnum, frame->level);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3719
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3720 ngx_quic_queue_frame(c->quic, frame);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3721
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3722 return NGX_OK;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3723 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3724
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3725
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3726 static ngx_quic_client_id_t *
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3727 ngx_quic_alloc_connection_id(ngx_connection_t *c)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3728 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3729 ngx_queue_t *q;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3730 ngx_quic_client_id_t *cid;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3731 ngx_quic_connection_t *qc;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3732
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3733 qc = c->quic;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3734
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3735 if (!ngx_queue_empty(&qc->free_client_ids)) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3736
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3737 q = ngx_queue_head(&qc->free_client_ids);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3738 cid = ngx_queue_data(q, ngx_quic_client_id_t, queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3739
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3740 ngx_queue_remove(&cid->queue);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3741
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3742 ngx_memzero(cid, sizeof(ngx_quic_client_id_t));
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3743
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3744 } else {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3745
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3746 cid = ngx_pcalloc(c->pool, sizeof(ngx_quic_client_id_t));
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3747 if (cid == NULL) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3748 return NULL;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3749 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3750 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3751
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3752 return cid;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3753 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3754
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8536
diff changeset
3755
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3756 static void
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3757 ngx_quic_queue_frame(ngx_quic_connection_t *qc, ngx_quic_frame_t *frame)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3758 {
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3759 ngx_quic_send_ctx_t *ctx;
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3760
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3761 ctx = ngx_quic_get_send_ctx(qc, frame->level);
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3762
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3763 ngx_queue_insert_tail(&ctx->frames, &frame->queue);
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
3764
8476
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3765 frame->len = ngx_quic_create_frame(NULL, frame);
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3766 /* always succeeds */
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3767
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3768 if (qc->closing) {
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3769 return;
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3770 }
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3771
8517
924882f42dea QUIC: do not artificially delay sending queued frames.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8516
diff changeset
3772 ngx_post_event(&qc->push, &ngx_posted_events);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3773 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3774
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3775
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3776 static ngx_int_t
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3777 ngx_quic_output(ngx_connection_t *c)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3778 {
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3779 ngx_uint_t i;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3780 ngx_quic_connection_t *qc;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3781
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
3782 c->log->action = "sending frames";
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8274
diff changeset
3783
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3784 qc = c->quic;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3785
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3786 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
8332
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8331
diff changeset
3787 if (ngx_quic_output_frames(c, &qc->send_ctx[i]) != NGX_OK) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3788 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3789 }
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3790 }
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3791
8322
d9bc33166361 Do not set timers after the connection is closed.
Vladimir Homutov <vl@nginx.com>
parents: 8321
diff changeset
3792 if (!qc->send_timer_set && !qc->closing) {
8271
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
3793 qc->send_timer_set = 1;
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
3794 ngx_add_timer(c->read, qc->tp.max_idle_timeout);
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
3795 }
8e54a17dabee Respect QUIC max_idle_timeout.
Roman Arutyunyan <arut@nginx.com>
parents: 8270
diff changeset
3796
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3797 return NGX_OK;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3798 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3799
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3800
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3801 static ngx_int_t
8332
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8331
diff changeset
3802 ngx_quic_output_frames(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx)
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3803 {
8476
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3804 size_t len, hlen;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3805 ngx_uint_t need_ack;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3806 ngx_queue_t *q, range;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3807 ngx_quic_frame_t *f;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3808 ngx_quic_congestion_t *cg;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3809 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3810
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3811 qc = c->quic;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3812 cg = &qc->congestion;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3813
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3814 if (ngx_queue_empty(&ctx->frames)) {
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3815 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3816 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3817
8332
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8331
diff changeset
3818 q = ngx_queue_head(&ctx->frames);
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8331
diff changeset
3819 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8331
diff changeset
3820
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8331
diff changeset
3821 /* all frames in same send_ctx share same level */
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8331
diff changeset
3822 hlen = (f->level == ssl_encryption_application) ? NGX_QUIC_MAX_SHORT_HEADER
6ad871b63422 Cleaned up magic numbers in ngx_quic_output_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8331
diff changeset
3823 : NGX_QUIC_MAX_LONG_HEADER;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3824 hlen += EVP_GCM_TLS_TAG_LEN;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3825
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3826 do {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3827 len = 0;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3828 need_ack = 0;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3829 ngx_queue_init(&range);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3830
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3831 do {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3832 /* process group of frames that fits into packet */
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3833 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3834
8476
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3835 if (len && hlen + len + f->len > qc->ctp.max_udp_payload_size) {
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3836 break;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3837 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3838
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3839 if (f->need_ack) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3840 need_ack = 1;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3841 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3842
8476
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3843 if (need_ack && cg->in_flight + len + f->len > cg->window) {
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3844 break;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3845 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3846
8477
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3847 if (!qc->validated) {
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3848 /*
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3849 * Prior to validation, endpoints are limited in what they
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3850 * are able to send. During the handshake, a server cannot
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3851 * send more than three times the data it receives;
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3852 */
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3853
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3854 if (((c->sent + len + f->len) / 3) > qc->received) {
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3855 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3856 "quic hit amplification limit"
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3857 " received %uz sent %O",
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3858 qc->received, c->sent);
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3859 break;
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3860 }
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3861 }
031918df51c0 QUIC: added anti-amplification limit.
Vladimir Homutov <vl@nginx.com>
parents: 8476
diff changeset
3862
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3863 q = ngx_queue_next(q);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3864
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3865 f->first = ngx_current_msec;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3866
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3867 ngx_queue_remove(&f->queue);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3868 ngx_queue_insert_tail(&range, &f->queue);
8476
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3869
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8475
diff changeset
3870 len += f->len;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3871
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3872 } while (q != ngx_queue_sentinel(&ctx->frames));
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3873
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3874 if (ngx_queue_empty(&range)) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3875 break;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3876 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3877
8473
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3878 if (ngx_quic_send_frames(c, ctx, &range) != NGX_OK) {
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3879 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3880 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3881
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3882 } while (q != ngx_queue_sentinel(&ctx->frames));
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3883
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3884 return NGX_OK;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3885 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3886
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3887
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3888 static void
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3889 ngx_quic_free_frames(ngx_connection_t *c, ngx_queue_t *frames)
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3890 {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3891 ngx_queue_t *q;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3892 ngx_quic_frame_t *f;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3893
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3894 do {
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3895 q = ngx_queue_head(frames);
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3896
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3897 if (q == ngx_queue_sentinel(frames)) {
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3898 break;
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3899 }
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3900
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3901 ngx_queue_remove(q);
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3902
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3903 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3904
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3905 ngx_quic_free_frame(c, f);
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
3906 } while (1);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3907 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3908
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3909
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3910 static ngx_int_t
8473
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3911 ngx_quic_send_frames(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx,
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
3912 ngx_queue_t *frames)
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3913 {
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3914 ssize_t len;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3915 u_char *p;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3916 ngx_msec_t now;
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3917 ngx_str_t out, res;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3918 ngx_queue_t *q;
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
3919 ngx_ssl_conn_t *ssl_conn;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3920 ngx_quic_frame_t *f, *start;
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3921 ngx_quic_header_t pkt;
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
3922 ngx_quic_secrets_t *keys;
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3923 ngx_quic_connection_t *qc;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3924 static ngx_str_t initial_token = ngx_null_string;
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
3925 static u_char src[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
3926 static u_char dst[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3927
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3928 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3929 "quic ngx_quic_send_frames");
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3930
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
3931 ssl_conn = c->ssl ? c->ssl->connection : NULL;
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
3932
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3933 q = ngx_queue_head(frames);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3934 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3935
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3936 ngx_memzero(&pkt, sizeof(ngx_quic_header_t));
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3937
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3938 now = ngx_current_msec;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3939
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3940 p = src;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3941 out.data = src;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3942
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3943 for (q = ngx_queue_head(frames);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3944 q != ngx_queue_sentinel(frames);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3945 q = ngx_queue_next(q))
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3946 {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3947 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3948
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3949 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
3950 "quic frame out: %s", f->info);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3951
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3952 len = ngx_quic_create_frame(p, f);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3953 if (len == -1) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3954 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3955 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3956
8312
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet.
Vladimir Homutov <vl@nginx.com>
parents: 8311
diff changeset
3957 if (f->need_ack) {
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet.
Vladimir Homutov <vl@nginx.com>
parents: 8311
diff changeset
3958 pkt.need_ack = 1;
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet.
Vladimir Homutov <vl@nginx.com>
parents: 8311
diff changeset
3959 }
053fa468b044 Fixed missing propagation of need_ack flag from frames to packet.
Vladimir Homutov <vl@nginx.com>
parents: 8311
diff changeset
3960
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3961 p += len;
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3962 f->pnum = ctx->pnum;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
3963 f->last = now;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3964 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
3965
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3966 out.len = p - out.data;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3967
8301
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8300
diff changeset
3968 while (out.len < 4) {
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8300
diff changeset
3969 *p++ = NGX_QUIC_FT_PADDING;
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8300
diff changeset
3970 out.len++;
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8300
diff changeset
3971 }
c9fbe9508e1f QUIC packet padding to fulfil header protection sample demands.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8300
diff changeset
3972
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3973 qc = c->quic;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3974
8306
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
3975 keys = &c->quic->keys[start->level];
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
3976
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
3977 pkt.secret = &keys->server;
058a5af7ddfc Refactored QUIC secrets storage.
Vladimir Homutov <vl@nginx.com>
parents: 8305
diff changeset
3978
8370
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8369
diff changeset
3979 pkt.flags = NGX_QUIC_PKT_FIXED_BIT;
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8369
diff changeset
3980
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3981 if (start->level == ssl_encryption_initial) {
8370
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8369
diff changeset
3982 pkt.flags |= NGX_QUIC_PKT_LONG | NGX_QUIC_PKT_INITIAL;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3983 pkt.token = initial_token;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3984
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3985 } else if (start->level == ssl_encryption_handshake) {
8370
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8369
diff changeset
3986 pkt.flags |= NGX_QUIC_PKT_LONG | NGX_QUIC_PKT_HANDSHAKE;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3987
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3988 } else {
8370
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8369
diff changeset
3989 if (c->quic->key_phase) {
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8369
diff changeset
3990 pkt.flags |= NGX_QUIC_PKT_KPHASE;
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8369
diff changeset
3991 }
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3992 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
3993
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
3994 ngx_quic_set_packet_number(&pkt, ctx);
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
3995
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3996 pkt.log = c->log;
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
3997 pkt.level = start->level;
8344
e0abe17a2878 Removed source/destination swap from the function creating header.
Vladimir Homutov <vl@nginx.com>
parents: 8343
diff changeset
3998 pkt.dcid = qc->scid;
e0abe17a2878 Removed source/destination swap from the function creating header.
Vladimir Homutov <vl@nginx.com>
parents: 8343
diff changeset
3999 pkt.scid = qc->dcid;
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
4000 pkt.payload = out;
8285
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8284
diff changeset
4001
8289
949b95e4d504 Merged ngx_quic_send_packet() into ngx_quic_send_frames().
Vladimir Homutov <vl@nginx.com>
parents: 8288
diff changeset
4002 res.data = dst;
8285
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8284
diff changeset
4003
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4004 ngx_log_debug6(NGX_LOG_DEBUG_EVENT, c->log, 0,
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4005 "quic packet ready: %ui bytes at level %d"
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4006 " need_ack: %d number: %L encoded %d:0x%xD",
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4007 out.len, start->level, pkt.need_ack, pkt.number,
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4008 pkt.num_len, pkt.trunc);
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4009
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
4010 if (ngx_quic_encrypt(&pkt, ssl_conn, &res) != NGX_OK) {
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4011 return NGX_ERROR;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4012 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4013
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4014 len = c->send(c, res.data, res.len);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4015 if (len == NGX_ERROR || (size_t) len != res.len) {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4016 return NGX_ERROR;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4017 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4018
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4019 /* len == NGX_OK || NGX_AGAIN */
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
4020 ctx->pnum++;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4021
8473
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
4022 if (pkt.need_ack) {
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
4023 /* move frames into the sent queue to wait for ack */
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
4024
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
4025 if (qc->closing) {
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
4026 /* if we are closing, any ack will be discarded */
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
4027 ngx_quic_free_frames(c, frames);
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
4028
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
4029 } else {
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
4030 ngx_queue_add(&ctx->sent, frames);
8475
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
4031 if (qc->pto.timer_set) {
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
4032 ngx_del_timer(&qc->pto);
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
4033 }
b276833111cf QUIC: implemented probe timeout (PTO) calculation.
Vladimir Homutov <vl@nginx.com>
parents: 8474
diff changeset
4034 ngx_add_timer(&qc->pto, ngx_quic_pto(c, ctx));
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
4035
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
4036 start->plen = len;
8473
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
4037 }
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
4038
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
4039 qc->congestion.in_flight += len;
8473
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
4040
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
4041 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
4042 "quic congestion send if:%uz",
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
4043 qc->congestion.in_flight);
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
4044 } else {
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
4045 /* no ack is expected for this frames, so we can free them */
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
4046 ngx_quic_free_frames(c, frames);
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
4047 }
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
4048
1b9db5c8c29b QUIC: reworked ngx_quic_send_frames() function.
Vladimir Homutov <vl@nginx.com>
parents: 8472
diff changeset
4049 return NGX_OK;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4050 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4051
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4052
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4053 static void
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
4054 ngx_quic_set_packet_number(ngx_quic_header_t *pkt, ngx_quic_send_ctx_t *ctx)
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
4055 {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
4056 uint64_t delta;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
4057
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
4058 delta = ctx->pnum - ctx->largest_ack;
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
4059 pkt->number = ctx->pnum;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
4060
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
4061 if (delta <= 0x7F) {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
4062 pkt->num_len = 1;
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
4063 pkt->trunc = ctx->pnum & 0xff;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
4064
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
4065 } else if (delta <= 0x7FFF) {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
4066 pkt->num_len = 2;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
4067 pkt->flags |= 0x1;
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
4068 pkt->trunc = ctx->pnum & 0xffff;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
4069
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
4070 } else if (delta <= 0x7FFFFF) {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
4071 pkt->num_len = 3;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
4072 pkt->flags |= 0x2;
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
4073 pkt->trunc = ctx->pnum & 0xffffff;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
4074
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
4075 } else {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
4076 pkt->num_len = 4;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
4077 pkt->flags |= 0x3;
8331
bda817d16cc2 Rename types and variables used for packet number space.
Vladimir Homutov <vl@nginx.com>
parents: 8328
diff changeset
4078 pkt->trunc = ctx->pnum & 0xffffffff;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
4079 }
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
4080 }
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
4081
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
4082
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8314
diff changeset
4083 static void
8472
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
4084 ngx_quic_pto_handler(ngx_event_t *ev)
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4085 {
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4086 ngx_uint_t i;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4087 ngx_queue_t *q;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4088 ngx_connection_t *c;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4089 ngx_quic_frame_t *start;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4090 ngx_quic_send_ctx_t *ctx;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4091 ngx_quic_connection_t *qc;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4092
8472
3b15732ac03f QUIC: renaming.
Vladimir Homutov <vl@nginx.com>
parents: 8471
diff changeset
4093 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic pto timer");
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4094
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4095 c = ev->data;
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4096 qc = c->quic;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4097
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4098 qc->pto_count++;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4099
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4100 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4101
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4102 ctx = &qc->send_ctx[i];
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4103
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4104 if (ngx_queue_empty(&ctx->sent)) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4105 continue;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4106 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4107
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4108 q = ngx_queue_head(&ctx->sent);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4109 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: 8512
diff changeset
4110
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4111 if (start->pnum <= ctx->largest_ack
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4112 && ctx->largest_ack != (uint64_t) -1)
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4113 {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4114 continue;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4115 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4116
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4117 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8519
de7d6d943f68 QUIC: fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8518
diff changeset
4118 "quic pto pnum:%uL pto_count:%ui level:%d",
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4119 start->pnum, c->quic->pto_count, start->level);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4120
8556
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
4121 ngx_quic_resend_frames(c, ctx);
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4122 }
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4123 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4124
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4125
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
4126 static void
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
4127 ngx_quic_push_handler(ngx_event_t *ev)
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
4128 {
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4129 ngx_connection_t *c;
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
4130
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4131 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic push timer");
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
4132
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
4133 c = ev->data;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
4134
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
4135 if (ngx_quic_output(c) != NGX_OK) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
4136 ngx_quic_close_connection(c, NGX_ERROR);
8309
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
4137 return;
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
4138 }
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
4139 }
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
4140
7ea2c68735f9 Output buffering.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
4141
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4142 static
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4143 void ngx_quic_lost_handler(ngx_event_t *ev)
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4144 {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4145 ngx_connection_t *c;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4146
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4147 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "quic lost timer");
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4148
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4149 c = ev->data;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4150
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4151 if (ngx_quic_detect_lost(c) != NGX_OK) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4152 ngx_quic_close_connection(c, NGX_ERROR);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4153 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4154 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4155
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4156
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4157 static ngx_int_t
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4158 ngx_quic_detect_lost(ngx_connection_t *c)
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4159 {
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
4160 ngx_uint_t i;
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
4161 ngx_msec_t now, wait, min_wait, thr;
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4162 ngx_queue_t *q;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4163 ngx_quic_frame_t *start;
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
4164 ngx_quic_send_ctx_t *ctx;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4165 ngx_quic_connection_t *qc;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4166
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4167 qc = c->quic;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4168 now = ngx_current_msec;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4169
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
4170 min_wait = 0;
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
4171
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4172 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: 8512
diff changeset
4173 thr = ngx_max(thr, NGX_QUIC_TIME_GRANULARITY);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4174
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
4175 for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
4176
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
4177 ctx = &qc->send_ctx[i];
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
4178
8515
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8514
diff changeset
4179 if (ctx->largest_ack == (uint64_t) -1) {
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8514
diff changeset
4180 continue;
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8514
diff changeset
4181 }
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8514
diff changeset
4182
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4183 while (!ngx_queue_empty(&ctx->sent)) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4184
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4185 q = ngx_queue_head(&ctx->sent);
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
4186 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
4187
8515
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8514
diff changeset
4188 if (start->pnum > ctx->largest_ack) {
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8514
diff changeset
4189 break;
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8514
diff changeset
4190 }
4e3a71621c9a QUIC: do not arm loss detection timer for succeeding packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8514
diff changeset
4191
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
4192 wait = start->last + thr - now;
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
4193
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4194 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, c->log, 0,
8519
de7d6d943f68 QUIC: fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8518
diff changeset
4195 "quic detect_lost pnum:%uL thr:%M wait:%i level:%d",
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4196 start->pnum, thr, (ngx_int_t) wait, start->level);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4197
8516
355e079c5eee QUIC: do not arm loss detection timer on packet threshold.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8515
diff changeset
4198 if ((ngx_msec_int_t) wait > 0
355e079c5eee QUIC: do not arm loss detection timer on packet threshold.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8515
diff changeset
4199 && ctx->largest_ack - start->pnum < NGX_QUIC_PKT_THR)
355e079c5eee QUIC: do not arm loss detection timer on packet threshold.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8515
diff changeset
4200 {
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
4201
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
4202 if (min_wait == 0 || wait < min_wait) {
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
4203 min_wait = wait;
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
4204 }
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
4205
8516
355e079c5eee QUIC: do not arm loss detection timer on packet threshold.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8515
diff changeset
4206 break;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4207 }
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4208
8556
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
4209 ngx_quic_resend_frames(c, ctx);
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4210 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4211 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4212
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4213 /* no more preceeding packets */
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4214
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4215 if (min_wait == 0) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4216 qc->pto.handler = ngx_quic_pto_handler;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4217 return NGX_OK;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4218 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4219
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4220 qc->pto.handler = ngx_quic_lost_handler;
8474
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
4221
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
4222 if (qc->pto.timer_set) {
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
4223 ngx_del_timer(&qc->pto);
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
4224 }
909b989ec088 QUIC: reworked retransmission mechanism.
Vladimir Homutov <vl@nginx.com>
parents: 8473
diff changeset
4225
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4226 ngx_add_timer(&qc->pto, min_wait);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
4227
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4228 return NGX_OK;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4229 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4230
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4231
8556
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
4232 static void
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
4233 ngx_quic_resend_frames(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx)
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4234 {
8556
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
4235 ngx_queue_t *q;
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
4236 ngx_quic_frame_t *f, *start;
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
4237 ngx_quic_connection_t *qc;
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
4238
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
4239 qc = c->quic;
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4240 q = ngx_queue_head(&ctx->sent);
8556
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
4241 start = ngx_queue_data(q, ngx_quic_frame_t, queue);
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
4242
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
4243 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
4244 "quic resend packet pnum:%uL", start->pnum);
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4245
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4246 do {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4247 f = ngx_queue_data(q, ngx_quic_frame_t, queue);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4248
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4249 if (f->pnum != start->pnum) {
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4250 break;
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4251 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4252
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4253 q = ngx_queue_next(q);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4254
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4255 ngx_queue_remove(&f->queue);
8556
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
4256 ngx_queue_insert_tail(&ctx->frames, &f->queue);
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4257
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4258 } while (q != ngx_queue_sentinel(&ctx->sent));
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4259
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4260 ngx_quic_congestion_lost(c, start);
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4261
8556
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
4262 if (qc->closing) {
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
4263 return;
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
4264 }
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
4265
b383120afca3 QUIC: resend frames by moving them to output queue.
Roman Arutyunyan <arut@nginx.com>
parents: 8553
diff changeset
4266 ngx_post_event(&qc->push, &ngx_posted_events);
8513
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4267 }
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4268
38f1be6c603f QUIC: sending probe packets on PTO timer expiration.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8512
diff changeset
4269
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4270 ngx_connection_t *
8495
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4271 ngx_quic_open_stream(ngx_connection_t *c, ngx_uint_t bidi)
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4272 {
8495
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4273 size_t rcvbuf_size;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4274 uint64_t id;
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4275 ngx_quic_stream_t *qs, *sn;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4276 ngx_quic_connection_t *qc;
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4277
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4278 qs = c->qs;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4279 qc = qs->parent->quic;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4280
8495
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4281 if (bidi) {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4282 if (qc->streams.server_streams_bidi
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4283 >= qc->streams.server_max_streams_bidi)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4284 {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4285 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4286 "quic too many server bidi streams: %uL",
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4287 qc->streams.server_streams_bidi);
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4288 return NULL;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4289 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4290
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4291 id = (qc->streams.server_streams_bidi << 2)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4292 | NGX_QUIC_STREAM_SERVER_INITIATED;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4293
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4294 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8499
b0e74a54c98b QUIC: consistent Stream ID logging format.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8496
diff changeset
4295 "quic creating server bidi stream %uL/%uL id:0x%xL",
8495
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4296 qc->streams.server_streams_bidi,
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4297 qc->streams.server_max_streams_bidi, id);
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4298
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4299 qc->streams.server_streams_bidi++;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4300 rcvbuf_size = qc->tp.initial_max_stream_data_bidi_local;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4301
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4302 } else {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4303 if (qc->streams.server_streams_uni
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4304 >= qc->streams.server_max_streams_uni)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4305 {
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4306 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4307 "quic too many server uni streams: %uL",
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4308 qc->streams.server_streams_uni);
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4309 return NULL;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4310 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4311
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4312 id = (qc->streams.server_streams_uni << 2)
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4313 | NGX_QUIC_STREAM_SERVER_INITIATED
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4314 | NGX_QUIC_STREAM_UNIDIRECTIONAL;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4315
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4316 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8499
b0e74a54c98b QUIC: consistent Stream ID logging format.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8496
diff changeset
4317 "quic creating server uni stream %uL/%uL id:0x%xL",
8495
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4318 qc->streams.server_streams_uni,
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4319 qc->streams.server_max_streams_uni, id);
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4320
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4321 qc->streams.server_streams_uni++;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4322 rcvbuf_size = 0;
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4323 }
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4324
455a8536eaa7 QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8486
diff changeset
4325 sn = ngx_quic_create_stream(qs->parent, id, rcvbuf_size);
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4326 if (sn == NULL) {
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4327 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4328 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4329
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4330 return sn->c;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4331 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4332
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4333
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4334 static void
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4335 ngx_quic_rbtree_insert_stream(ngx_rbtree_node_t *temp,
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4336 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4337 {
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4338 ngx_rbtree_node_t **p;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4339 ngx_quic_stream_t *qn, *qnt;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4340
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4341 for ( ;; ) {
8284
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
4342 qn = (ngx_quic_stream_t *) node;
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
4343 qnt = (ngx_quic_stream_t *) temp;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4344
8284
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
4345 p = (qn->id < qnt->id) ? &temp->left : &temp->right;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4346
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4347 if (*p == sentinel) {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4348 break;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4349 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4350
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4351 temp = *p;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4352 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4353
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4354 *p = node;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4355 node->parent = temp;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4356 node->left = sentinel;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4357 node->right = sentinel;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4358 ngx_rbt_red(node);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4359 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4360
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4361
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4362 static ngx_quic_stream_t *
8284
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
4363 ngx_quic_find_stream(ngx_rbtree_t *rbtree, uint64_t id)
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4364 {
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4365 ngx_rbtree_node_t *node, *sentinel;
8284
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
4366 ngx_quic_stream_t *qn;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4367
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4368 node = rbtree->root;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4369 sentinel = rbtree->sentinel;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4370
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4371 while (node != sentinel) {
8284
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
4372 qn = (ngx_quic_stream_t *) node;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4373
8284
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
4374 if (id == qn->id) {
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
4375 return qn;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4376 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4377
8284
2935a11c55b6 Fixed QUIC stream insert and find.
Roman Arutyunyan <arut@nginx.com>
parents: 8282
diff changeset
4378 node = (id < qn->id) ? node->left : node->right;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4379 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4380
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4381 return NULL;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4382 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4383
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4384
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4385 static ngx_quic_stream_t *
8504
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4386 ngx_quic_create_client_stream(ngx_connection_t *c, uint64_t id)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4387 {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4388 size_t n;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4389 uint64_t min_id;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4390 ngx_quic_stream_t *sn;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4391 ngx_quic_connection_t *qc;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4392
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4393 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: 8503
diff changeset
4394 "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: 8503
diff changeset
4395
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4396 qc = c->quic;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4397
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4398 if (id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4399
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4400 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4401 if ((id >> 2) < qc->streams.server_streams_uni) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4402 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4403 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4404
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4405 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4406 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4407 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4408
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4409 if ((id >> 2) < qc->streams.client_streams_uni) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4410 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4411 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4412
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4413 if ((id >> 2) >= qc->streams.client_max_streams_uni) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4414 qc->error = NGX_QUIC_ERR_STREAM_LIMIT_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4415 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4416 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4417
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4418 min_id = (qc->streams.client_streams_uni << 2)
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4419 | NGX_QUIC_STREAM_UNIDIRECTIONAL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4420 qc->streams.client_streams_uni = (id >> 2) + 1;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4421 n = qc->tp.initial_max_stream_data_uni;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4422
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4423 } else {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4424
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4425 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4426 if ((id >> 2) < qc->streams.server_streams_bidi) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4427 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4428 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4429
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4430 qc->error = NGX_QUIC_ERR_STREAM_STATE_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4431 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4432 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4433
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4434 if ((id >> 2) < qc->streams.client_streams_bidi) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4435 return NGX_QUIC_STREAM_GONE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4436 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4437
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4438 if ((id >> 2) >= qc->streams.client_max_streams_bidi) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4439 qc->error = NGX_QUIC_ERR_STREAM_LIMIT_ERROR;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4440 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4441 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4442
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4443 min_id = (qc->streams.client_streams_bidi << 2);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4444 qc->streams.client_streams_bidi = (id >> 2) + 1;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4445 n = qc->tp.initial_max_stream_data_bidi_remote;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4446 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4447
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4448 if (n < NGX_QUIC_STREAM_BUFSIZE) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4449 n = NGX_QUIC_STREAM_BUFSIZE;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4450 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4451
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4452 /*
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4453 * 2.1. Stream Types and Identifiers
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4454 *
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4455 * Within each type, streams are created with numerically increasing
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4456 * stream IDs. A stream ID that is used out of order results in all
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4457 * streams of that type with lower-numbered stream IDs also being
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4458 * opened.
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4459 */
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4460
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4461 for ( /* void */ ; min_id < id; min_id += 0x04) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4462
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4463 sn = ngx_quic_create_stream(c, min_id, n);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4464 if (sn == NULL) {
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4465 return NULL;
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4466 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4467
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4468 sn->c->listening->handler(sn->c);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4469 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4470
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4471 return ngx_quic_create_stream(c, id, n);
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4472 }
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4473
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4474
d277e25e37fc QUIC: create streams for STREAM_DATA_BLOCKED and MAX_STREAM_DATA.
Roman Arutyunyan <arut@nginx.com>
parents: 8503
diff changeset
4475 static ngx_quic_stream_t *
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4476 ngx_quic_create_stream(ngx_connection_t *c, uint64_t id, size_t rcvbuf_size)
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4477 {
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4478 ngx_log_t *log;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4479 ngx_pool_t *pool;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4480 ngx_quic_stream_t *sn;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4481 ngx_pool_cleanup_t *cln;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4482 ngx_quic_connection_t *qc;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4483
8496
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4484 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8499
b0e74a54c98b QUIC: consistent Stream ID logging format.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8496
diff changeset
4485 "quic stream id 0x%xL create", id);
8496
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4486
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4487 qc = c->quic;
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4488
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4489 pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, c->log);
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4490 if (pool == NULL) {
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4491 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4492 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4493
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4494 sn = ngx_pcalloc(pool, sizeof(ngx_quic_stream_t));
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4495 if (sn == NULL) {
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4496 ngx_destroy_pool(pool);
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4497 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4498 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4499
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4500 sn->node.key = id;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4501 sn->parent = c;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4502 sn->id = id;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4503
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4504 sn->b = ngx_create_temp_buf(pool, rcvbuf_size);
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4505 if (sn->b == NULL) {
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4506 ngx_destroy_pool(pool);
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4507 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4508 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4509
8334
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4510 ngx_queue_init(&sn->fs.frames);
72d20158c814 Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
4511
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4512 log = ngx_palloc(pool, sizeof(ngx_log_t));
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4513 if (log == NULL) {
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4514 ngx_destroy_pool(pool);
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4515 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4516 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4517
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4518 *log = *c->log;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4519 pool->log = log;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4520
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4521 sn->c = ngx_get_connection(-1, log);
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4522 if (sn->c == NULL) {
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4523 ngx_destroy_pool(pool);
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4524 return NULL;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4525 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4526
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4527 sn->c->qs = sn;
8482
893b3313f53c QUIC: added "quic" listen parameter in Stream.
Roman Arutyunyan <arut@nginx.com>
parents: 8481
diff changeset
4528 sn->c->type = SOCK_STREAM;
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4529 sn->c->pool = pool;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4530 sn->c->ssl = c->ssl;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4531 sn->c->sockaddr = c->sockaddr;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4532 sn->c->listening = c->listening;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4533 sn->c->addr_text = c->addr_text;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4534 sn->c->local_sockaddr = c->local_sockaddr;
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4535 sn->c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1);
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4536
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4537 sn->c->recv = ngx_quic_stream_recv;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4538 sn->c->send = ngx_quic_stream_send;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4539 sn->c->send_chain = ngx_quic_stream_send_chain;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4540
8479
b250b515e5b6 QUIC: fixed stream read event log.
Roman Arutyunyan <arut@nginx.com>
parents: 8478
diff changeset
4541 sn->c->read->log = log;
b250b515e5b6 QUIC: fixed stream read event log.
Roman Arutyunyan <arut@nginx.com>
parents: 8478
diff changeset
4542 sn->c->write->log = log;
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4543
8362
44cac24aaa44 Assign connection number to every QUIC stream log.
Roman Arutyunyan <arut@nginx.com>
parents: 8361
diff changeset
4544 log->connection = sn->c->number;
44cac24aaa44 Assign connection number to every QUIC stream log.
Roman Arutyunyan <arut@nginx.com>
parents: 8361
diff changeset
4545
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4546 if ((id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4547 || (id & NGX_QUIC_STREAM_SERVER_INITIATED))
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4548 {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4549 sn->c->write->ready = 1;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4550 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
4551
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4552 if (id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4553 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4554 sn->send_max_data = qc->ctp.initial_max_stream_data_uni;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4555 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4556
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4557 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4558 if (id & NGX_QUIC_STREAM_SERVER_INITIATED) {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4559 sn->send_max_data = qc->ctp.initial_max_stream_data_bidi_remote;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4560 } else {
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4561 sn->send_max_data = qc->ctp.initial_max_stream_data_bidi_local;
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4562 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4563 }
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4564
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4565 cln = ngx_pool_cleanup_add(pool, 0);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4566 if (cln == NULL) {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4567 ngx_close_connection(sn->c);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4568 ngx_destroy_pool(pool);
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4569 return NULL;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4570 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4571
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4572 cln->handler = ngx_quic_stream_cleanup_handler;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4573 cln->data = sn->c;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4574
8282
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4575 ngx_rbtree_insert(&c->quic->streams.tree, &sn->node);
4cf00c14f11a Safe QUIC stream creation.
Roman Arutyunyan <arut@nginx.com>
parents: 8281
diff changeset
4576
8229
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4577 return sn;
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4578 }
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4579
cfc429911c0d Implemented creation of server unidirectional streams.
Vladimir Homutov <vl@nginx.com>
parents: 8225
diff changeset
4580
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4581 static ssize_t
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4582 ngx_quic_stream_recv(ngx_connection_t *c, u_char *buf, size_t size)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4583 {
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4584 ssize_t len;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4585 ngx_buf_t *b;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4586 ngx_event_t *rev;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4587 ngx_connection_t *pc;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4588 ngx_quic_frame_t *frame;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4589 ngx_quic_stream_t *qs;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4590 ngx_quic_connection_t *qc;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4591
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4592 qs = c->qs;
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4593 b = qs->b;
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4594 pc = qs->parent;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4595 qc = pc->quic;
8279
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
4596 rev = c->read;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4597
8503
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
4598 if (rev->error) {
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
4599 return NGX_ERROR;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
4600 }
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
4601
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4602 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
4603 "quic stream id 0x%xL recv: eof:%d, avail:%z",
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4604 qs->id, rev->pending_eof, b->last - b->pos);
8279
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
4605
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4606 if (b->pos == b->last) {
8279
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
4607 rev->ready = 0;
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
4608
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
4609 if (rev->pending_eof) {
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
4610 rev->eof = 1;
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
4611 return 0;
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
4612 }
5f223cdad40e Implemented eof in QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8278
diff changeset
4613
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4614 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
4615 "quic stream id 0x%xL recv() not ready", qs->id);
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4616 return NGX_AGAIN;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4617 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4618
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4619 len = ngx_min(b->last - b->pos, (ssize_t) size);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4620
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4621 ngx_memcpy(buf, b->pos, len);
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4622
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4623 b->pos += len;
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4624 qc->streams.received += len;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4625
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4626 if (b->pos == b->last) {
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4627 b->pos = b->start;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4628 b->last = b->start;
8294
32db41d603cd Fixed handling QUIC stream eof.
Roman Arutyunyan <arut@nginx.com>
parents: 8293
diff changeset
4629 rev->ready = rev->pending_eof;
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4630 }
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8265
diff changeset
4631
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4632 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
4633 "quic stream id 0x%xL recv: %z of %uz", qs->id, len, size);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4634
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4635 if (!rev->pending_eof) {
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4636 frame = ngx_quic_alloc_frame(pc, 0);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4637 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4638 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4639 }
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4640
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4641 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4642 frame->type = NGX_QUIC_FT_MAX_STREAM_DATA;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4643 frame->u.max_stream_data.id = qs->id;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4644 frame->u.max_stream_data.limit = qs->fs.received + (b->pos - b->start)
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4645 + (b->end - b->last);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4646
8499
b0e74a54c98b QUIC: consistent Stream ID logging format.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8496
diff changeset
4647 ngx_sprintf(frame->info,
8500
12576ac9556d QUIC: fixed format specifiers and removed casts.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8499
diff changeset
4648 "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: 8499
diff changeset
4649 frame->u.max_stream_data.id,
12576ac9556d QUIC: fixed format specifiers and removed casts.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8499
diff changeset
4650 frame->u.max_stream_data.limit,
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4651 frame->level);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4652
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4653 ngx_quic_queue_frame(pc->quic, frame);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4654 }
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4655
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4656 if ((qc->streams.recv_max_data / 2) < qc->streams.received) {
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4657
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4658 frame = ngx_quic_alloc_frame(pc, 0);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4659
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4660 if (frame == NULL) {
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4661 return NGX_ERROR;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4662 }
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4663
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4664 qc->streams.recv_max_data *= 2;
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4665
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4666 frame->level = ssl_encryption_application;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4667 frame->type = NGX_QUIC_FT_MAX_DATA;
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4668 frame->u.max_data.max_data = qc->streams.recv_max_data;
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4669
8500
12576ac9556d QUIC: fixed format specifiers and removed casts.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8499
diff changeset
4670 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: 8499
diff changeset
4671 frame->u.max_data.max_data, frame->level);
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4672
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4673 ngx_quic_queue_frame(pc->quic, frame);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4674
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4675 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
4676 "quic stream id 0x%xL recv: increased max data: %uL",
8365
fab75acb1f72 Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents: 8364
diff changeset
4677 qs->id, qc->streams.recv_max_data);
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4678 }
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8337
diff changeset
4679
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4680 return len;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4681 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4682
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4683
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4684 static ssize_t
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4685 ngx_quic_stream_send(ngx_connection_t *c, u_char *buf, size_t size)
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4686 {
8509
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4687 ngx_buf_t b;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4688 ngx_chain_t cl;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4689
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4690 ngx_memzero(&b, sizeof(ngx_buf_t));
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4691
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4692 b.memory = 1;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4693 b.pos = buf;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4694 b.last = buf + size;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4695
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4696 cl.buf = &b;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4697 cl.next = NULL;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4698
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4699 if (ngx_quic_stream_send_chain(c, &cl, 0) == NGX_CHAIN_ERROR) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4700 return NGX_ERROR;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4701 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4702
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4703 if (b.pos == buf) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4704 return NGX_AGAIN;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4705 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4706
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4707 return b.pos - buf;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4708 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4709
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4710
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4711 static ngx_chain_t *
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4712 ngx_quic_stream_send_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4713 {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4714 u_char *p;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4715 size_t n, max, max_frame, max_flow, max_limit, len;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4716 #if (NGX_DEBUG)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4717 size_t sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4718 #endif
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4719 ngx_buf_t *b;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4720 #if (NGX_DEBUG)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4721 ngx_uint_t nframes;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4722 #endif
8503
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
4723 ngx_event_t *wev;
8509
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4724 ngx_chain_t *cl;
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4725 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4726 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4727 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4728 ngx_quic_connection_t *qc;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4729
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4730 qs = c->qs;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4731 pc = qs->parent;
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4732 qc = pc->quic;
8503
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
4733 wev = c->write;
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
4734
b66a2a041d7e QUIC: fixed ngx_http_test_reading() for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8502
diff changeset
4735 if (wev->error) {
8509
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4736 return NGX_CHAIN_ERROR;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4737 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4738
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4739 max_frame = ngx_quic_max_stream_frame(qc);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4740 max_flow = ngx_quic_max_stream_flow(c);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4741 max_limit = limit;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4742
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4743 #if (NGX_DEBUG)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4744 sent = 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4745 nframes = 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4746 #endif
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4747
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4748 for ( ;; ) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4749 max = ngx_min(max_frame, max_flow);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4750
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4751 if (limit) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4752 max = ngx_min(max, max_limit);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4753 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4754
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4755 for (cl = in, n = 0; in; in = in->next) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4756
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4757 if (!ngx_buf_in_memory(in->buf)) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4758 continue;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4759 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4760
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4761 n += ngx_buf_size(in->buf);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4762
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4763 if (n > max) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4764 n = max;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4765 break;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4766 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4767 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4768
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4769 if (n == 0) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4770 wev->ready = (max_flow ? 1 : 0);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4771 break;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4772 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4773
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4774 frame = ngx_quic_alloc_frame(pc, n);
8345
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4775 if (frame == NULL) {
8509
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4776 return NGX_CHAIN_ERROR;
8345
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4777 }
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4778
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4779 frame->level = ssl_encryption_application;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4780 frame->type = NGX_QUIC_FT_STREAM6; /* OFF=1 LEN=1 FIN=0 */
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4781 frame->u.stream.off = 1;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4782 frame->u.stream.len = 1;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4783 frame->u.stream.fin = 0;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4784
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4785 frame->u.stream.type = frame->type;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4786 frame->u.stream.stream_id = qs->id;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4787 frame->u.stream.offset = c->sent;
8509
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4788 frame->u.stream.length = n;
8345
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4789 frame->u.stream.data = frame->data;
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4790
8541
dcbb58e7ed11 QUIC: added logging output stream frame offset.
Roman Arutyunyan <arut@nginx.com>
parents: 8540
diff changeset
4791 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: 8540
diff changeset
4792 qs->id, c->sent, n, frame->level);
8509
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4793
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4794 c->sent += n;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4795 qc->streams.sent += n;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4796 max_flow -= n;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4797
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4798 if (limit) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4799 max_limit -= n;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4800 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4801
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4802 #if (NGX_DEBUG)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4803 sent += n;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4804 nframes++;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4805 #endif
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4806
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4807 for (p = frame->data; n > 0; cl = cl->next) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4808 b = cl->buf;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4809
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4810 if (!ngx_buf_in_memory(b)) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4811 continue;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4812 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4813
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4814 len = ngx_min(n, (size_t) (b->last - b->pos));
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4815 p = ngx_cpymem(p, b->pos, len);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4816
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4817 b->pos += len;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4818 n -= len;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4819 }
8345
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4820
6481427ca3fc Respecting maximum packet size.
Vladimir Homutov <vl@nginx.com>
parents: 8344
diff changeset
4821 ngx_quic_queue_frame(qc, frame);
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4822 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4823
8509
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4824 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4825 "quic send_chain sent:%uz, frames:%ui", sent, nframes);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4826
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4827 return in;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4828 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4829
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4830
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4831 static size_t
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4832 ngx_quic_max_stream_frame(ngx_quic_connection_t *qc)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4833 {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4834 /*
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4835 * 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: 8508
diff changeset
4836 * 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: 8508
diff changeset
4837 */
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4838
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4839 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: 8508
diff changeset
4840 - EVP_GCM_TLS_TAG_LEN;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4841 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4842
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4843
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4844 static size_t
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4845 ngx_quic_max_stream_flow(ngx_connection_t *c)
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4846 {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4847 size_t size;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4848 uint64_t sent, unacked;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4849 ngx_quic_stream_t *qs;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4850 ngx_quic_connection_t *qc;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4851
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4852 qs = c->qs;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4853 qc = qs->parent->quic;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4854
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4855 size = NGX_QUIC_STREAM_BUFSIZE;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4856 sent = c->sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4857 unacked = sent - qs->acked;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4858
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4859 if (qc->streams.send_max_data == 0) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4860 qc->streams.send_max_data = qc->ctp.initial_max_data;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4861 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4862
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4863 if (unacked >= NGX_QUIC_STREAM_BUFSIZE) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4864 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4865 "quic send flow hit buffer size");
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4866 return 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4867 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4868
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4869 if (unacked + size > NGX_QUIC_STREAM_BUFSIZE) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4870 size = NGX_QUIC_STREAM_BUFSIZE - unacked;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4871 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4872
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4873 if (qc->streams.sent >= qc->streams.send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4874 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4875 "quic send flow hit MAX_DATA");
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4876 return 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4877 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4878
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4879 if (qc->streams.sent + size > qc->streams.send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4880 size = qc->streams.send_max_data - qc->streams.sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4881 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4882
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4883 if (sent >= qs->send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4884 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4885 "quic send flow hit MAX_STREAM_DATA");
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4886 return 0;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4887 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4888
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4889 if (sent + size > qs->send_max_data) {
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4890 size = qs->send_max_data - sent;
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4891 }
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4892
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4893 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4894 "quic send flow: %uz", size);
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4895
bce9e9643444 QUIC: coalesce neighbouring stream send buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8508
diff changeset
4896 return size;
8225
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4897 }
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4898
714a19dba6af Style and handlers.
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
4899
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4900 static void
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4901 ngx_quic_stream_cleanup_handler(void *data)
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4902 {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4903 ngx_connection_t *c = data;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4904
8280
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4905 ngx_connection_t *pc;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4906 ngx_quic_frame_t *frame;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4907 ngx_quic_stream_t *qs;
b364af7f9f3f Removed ngx_quic_stream_node_t.
Roman Arutyunyan <arut@nginx.com>
parents: 8279
diff changeset
4908 ngx_quic_connection_t *qc;
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4909
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4910 qs = c->qs;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4911 pc = qs->parent;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4912 qc = pc->quic;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4913
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4914 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
4915 "quic stream id 0x%xL cleanup", qs->id);
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
4916
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
4917 ngx_rbtree_delete(&qc->streams.tree, &qs->node);
8348
d42b50d239f4 Fixed memory leak with reordered stream frames.
Vladimir Homutov <vl@nginx.com>
parents: 8346
diff changeset
4918 ngx_quic_free_frames(pc, &qs->fs.frames);
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
4919
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
4920 if (qc->closing) {
8355
ad3a6f069498 Added proper handling of connection close phases.
Vladimir Homutov <vl@nginx.com>
parents: 8354
diff changeset
4921 /* schedule handler call to continue ngx_quic_close_connection() */
8281
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
4922 ngx_post_event(pc->read, &ngx_posted_events);
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
4923 return;
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
4924 }
618a65de08b3 When closing a QUIC connection, wait for all streams to finish.
Roman Arutyunyan <arut@nginx.com>
parents: 8280
diff changeset
4925
8528
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
4926 if ((qs->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
4927 || (qs->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) == 0)
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
4928 {
8539
62db595a86b5 QUIC: do not send STOP_SENDING after STREAM fin.
Roman Arutyunyan <arut@nginx.com>
parents: 8538
diff changeset
4929 if (!c->read->pending_eof && !c->read->error) {
8528
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
4930 frame = ngx_quic_alloc_frame(pc, 0);
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
4931 if (frame == NULL) {
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
4932 return;
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
4933 }
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
4934
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
4935 frame->level = ssl_encryption_application;
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
4936 frame->type = NGX_QUIC_FT_STOP_SENDING;
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
4937 frame->u.stop_sending.id = qs->id;
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
4938 frame->u.stop_sending.error_code = 0x100; /* HTTP/3 no error */
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
4939
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
4940 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: 8526
diff changeset
4941 qs->id, frame->u.stop_sending.error_code, frame->level);
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
4942
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
4943 ngx_quic_queue_frame(qc, frame);
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
4944 }
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
4945 }
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8526
diff changeset
4946
8496
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4947 if ((qs->id & NGX_QUIC_STREAM_SERVER_INITIATED) == 0) {
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4948 frame = ngx_quic_alloc_frame(pc, 0);
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4949 if (frame == NULL) {
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4950 return;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4951 }
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4952
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4953 frame->level = ssl_encryption_application;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4954 frame->type = NGX_QUIC_FT_MAX_STREAMS;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4955
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4956 if (qs->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4957 frame->u.max_streams.limit = ++qc->streams.client_max_streams_uni;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4958 frame->u.max_streams.bidi = 0;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4959
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4960 } else {
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4961 frame->u.max_streams.limit = ++qc->streams.client_max_streams_bidi;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4962 frame->u.max_streams.bidi = 1;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4963 }
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4964
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4965 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: 8495
diff changeset
4966 frame->u.max_streams.limit,
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4967 frame->u.max_streams.bidi,
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4968 (int) frame->level);
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4969
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4970 ngx_quic_queue_frame(qc, frame);
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4971
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4972 if (qs->id & NGX_QUIC_STREAM_UNIDIRECTIONAL) {
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4973 /* do not send fin for client unidirectional streams */
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4974 return;
c5324bb3a704 QUIC: limited the number of client-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8495
diff changeset
4975 }
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4976 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4977
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
4978 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8477
diff changeset
4979 "quic stream id 0x%xL send fin", qs->id);
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4980
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
4981 frame = ngx_quic_alloc_frame(pc, 0);
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4982 if (frame == NULL) {
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4983 return;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4984 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4985
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4986 frame->level = ssl_encryption_application;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4987 frame->type = NGX_QUIC_FT_STREAM7; /* OFF=1 LEN=1 FIN=1 */
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4988 frame->u.stream.off = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4989 frame->u.stream.len = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4990 frame->u.stream.fin = 1;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4991
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4992 frame->u.stream.type = frame->type;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4993 frame->u.stream.stream_id = qs->id;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4994 frame->u.stream.offset = c->sent;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4995 frame->u.stream.length = 0;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4996 frame->u.stream.data = NULL;
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
4997
8541
dcbb58e7ed11 QUIC: added logging output stream frame offset.
Roman Arutyunyan <arut@nginx.com>
parents: 8540
diff changeset
4998 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: 8540
diff changeset
4999 qs->id, c->sent, frame->level);
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
5000
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
5001 ngx_quic_queue_frame(qc, frame);
8293
1ec905f4d851 Push QUIC stream frames in send() and cleanup handler.
Roman Arutyunyan <arut@nginx.com>
parents: 8290
diff changeset
5002
1ec905f4d851 Push QUIC stream frames in send() and cleanup handler.
Roman Arutyunyan <arut@nginx.com>
parents: 8290
diff changeset
5003 (void) ngx_quic_output(pc);
8239
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
5004 }
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
5005
5ad7bffd3850 Send a FIN frame when QUIC stream is closed.
Roman Arutyunyan <arut@nginx.com>
parents: 8237
diff changeset
5006
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5007 static ngx_quic_frame_t *
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5008 ngx_quic_alloc_frame(ngx_connection_t *c, size_t size)
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5009 {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5010 u_char *p;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5011 ngx_queue_t *q;
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5012 ngx_quic_frame_t *frame;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5013 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5014
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5015 if (size) {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5016 p = ngx_alloc(size, c->log);
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5017 if (p == NULL) {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5018 return NULL;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5019 }
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5020
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5021 } else {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5022 p = NULL;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5023 }
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5024
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5025 qc = c->quic;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5026
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5027 if (!ngx_queue_empty(&qc->free_frames)) {
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5028
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5029 q = ngx_queue_head(&qc->free_frames);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5030 frame = ngx_queue_data(q, ngx_quic_frame_t, queue);
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5031
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5032 ngx_queue_remove(&frame->queue);
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5033
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
5034 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5035 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
5036 "quic reuse frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
5037 #endif
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5038
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5039 } else {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5040 frame = ngx_pcalloc(c->pool, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5041 if (frame == NULL) {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5042 ngx_free(p);
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5043 return NULL;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5044 }
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5045
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5046 #if (NGX_DEBUG)
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5047 ++qc->nframes;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5048 #endif
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5049
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
5050 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5051 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
5052 "quic alloc frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
5053 #endif
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5054 }
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5055
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5056 ngx_memzero(frame, sizeof(ngx_quic_frame_t));
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5057
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5058 frame->data = p;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5059
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5060 return frame;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5061 }
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5062
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5063
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5064 static void
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5065 ngx_quic_congestion_ack(ngx_connection_t *c, ngx_quic_frame_t *f)
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5066 {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5067 ngx_msec_t timer;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5068 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5069 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5070
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
5071 if (f->plen == 0) {
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
5072 return;
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
5073 }
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
5074
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5075 qc = c->quic;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5076 cg = &qc->congestion;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5077
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
5078 cg->in_flight -= f->plen;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5079
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5080 timer = f->last - cg->recovery_start;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5081
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5082 if ((ngx_msec_int_t) timer <= 0) {
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
5083 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
5084 "quic congestion ack recovery win:%uz, ss:%uz, if:%uz",
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
5085 cg->window, cg->ssthresh, cg->in_flight);
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
5086
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5087 return;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5088 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5089
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5090 if (cg->window < cg->ssthresh) {
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
5091 cg->window += f->plen;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5092
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5093 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5094 "quic congestion slow start win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5095 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5096
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5097 } else {
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
5098 cg->window += qc->tp.max_udp_payload_size * f->plen / cg->window;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5099
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5100 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5101 "quic congestion avoidance win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5102 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5103 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5104
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5105 /* prevent recovery_start from wrapping */
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5106
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5107 timer = cg->recovery_start - ngx_current_msec + qc->tp.max_idle_timeout * 2;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5108
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5109 if ((ngx_msec_int_t) timer < 0) {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5110 cg->recovery_start = ngx_current_msec - qc->tp.max_idle_timeout * 2;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5111 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5112 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5113
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5114
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5115 static void
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
5116 ngx_quic_congestion_lost(ngx_connection_t *c, ngx_quic_frame_t *f)
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5117 {
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5118 ngx_msec_t timer;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5119 ngx_quic_congestion_t *cg;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5120 ngx_quic_connection_t *qc;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5121
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
5122 if (f->plen == 0) {
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
5123 return;
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
5124 }
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
5125
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5126 qc = c->quic;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5127 cg = &qc->congestion;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5128
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
5129 cg->in_flight -= f->plen;
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
5130
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
5131 timer = f->last - cg->recovery_start;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5132
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5133 if ((ngx_msec_int_t) timer <= 0) {
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
5134 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
5135 "quic congestion lost recovery win:%uz, ss:%uz, if:%uz",
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
5136 cg->window, cg->ssthresh, cg->in_flight);
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8507
diff changeset
5137
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5138 return;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5139 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5140
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5141 cg->recovery_start = ngx_current_msec;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5142 cg->window /= 2;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5143
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
5144 if (cg->window < qc->tp.max_udp_payload_size * 2) {
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8413
diff changeset
5145 cg->window = qc->tp.max_udp_payload_size * 2;
8364
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5146 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5147
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5148 cg->ssthresh = cg->window;
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5149
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5150 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0,
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5151 "quic congestion lost win:%uz, ss:%uz, if:%uz",
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5152 cg->window, cg->ssthresh, cg->in_flight);
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5153 }
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5154
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5155
eee307399229 QUIC basic congestion control.
Roman Arutyunyan <arut@nginx.com>
parents: 8363
diff changeset
5156 static void
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5157 ngx_quic_free_frame(ngx_connection_t *c, ngx_quic_frame_t *frame)
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5158 {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5159 ngx_quic_connection_t *qc;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5160
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5161 qc = c->quic;
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5162
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5163 if (frame->data) {
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5164 ngx_free(frame->data);
8394
df18ae7161b8 Assorted fixes.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8393
diff changeset
5165 frame->data = NULL;
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5166 }
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5167
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
5168 ngx_queue_insert_head(&qc->free_frames, &frame->queue);
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5169
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
5170 #ifdef NGX_QUIC_DEBUG_FRAMES_ALLOC
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5171 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
5172 "quic free frame n:%ui", qc->nframes);
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
5173 #endif
8286
c7185bc5b4d9 QUIC frames reuse.
Roman Arutyunyan <arut@nginx.com>
parents: 8285
diff changeset
5174 }