Mercurial > hg > nginx
annotate src/event/ngx_event_quic.h @ 8628:45db1b5c1706 quic
QUIC: connection multiplexing per port.
Also, connection migration within a single worker is implemented.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Wed, 11 Nov 2020 11:57:50 +0000 |
parents | e0947c952d43 |
children | feec2cc762f6 |
rev | line source |
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Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
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1 |
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Initial QUIC support in http.
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2 /* |
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Moved all QUIC code into ngx_event_quic.c
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3 * Copyright (C) Nginx, Inc. |
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Initial QUIC support in http.
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4 */ |
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Initial QUIC support in http.
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5 |
5d91389e0fd3
Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
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6 |
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Initial QUIC support in http.
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7 #ifndef _NGX_EVENT_QUIC_H_INCLUDED_ |
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8 #define _NGX_EVENT_QUIC_H_INCLUDED_ |
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9 |
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Initial QUIC support in http.
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10 |
8347
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Fixed includes in quic headers.
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11 #include <ngx_config.h> |
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12 #include <ngx_core.h> |
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QUIC add_handshake_data callback, varint routines.
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13 |
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Split transport and crypto parts into separate files.
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14 |
8547
57e5393e5d40
QUIC: switched to draft 29 by default.
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15 /* Supported drafts: 27, 28, 29 */ |
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Made NGX_QUIC_DRAFT_VERSION tunable from configure parameters.
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16 #ifndef NGX_QUIC_DRAFT_VERSION |
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17 #define NGX_QUIC_DRAFT_VERSION 29 |
8418
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18 #endif |
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19 |
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Respecting maximum packet size.
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20 #define NGX_QUIC_MAX_SHORT_HEADER 25 /* 1 flags + 20 dcid + 4 pn */ |
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21 #define NGX_QUIC_MAX_LONG_HEADER 56 |
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22 /* 1 flags + 4 version + 2 x (1 + 20) s/dcid + 4 pn + 4 len + token len */ |
8265
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Limit output QUIC packets with client max_packet_size.
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23 |
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Renamed max_packet_size to max_udp_payload_size, from draft-28.
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24 #define NGX_QUIC_MAX_UDP_PAYLOAD_SIZE 65527 |
8436
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QUIC: further limiting maximum QUIC packet size.
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25 #define NGX_QUIC_MAX_UDP_PAYLOAD_OUT 1252 |
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26 #define NGX_QUIC_MAX_UDP_PAYLOAD_OUT6 1232 |
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Limited max udp payload size for outgoing packets.
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27 |
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Limit output QUIC packets with client max_packet_size.
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28 #define NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT 3 |
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29 #define NGX_QUIC_DEFAULT_MAX_ACK_DELAY 25 |
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30 |
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31 #define NGX_QUIC_RETRY_TIMEOUT 3000 |
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32 #define NGX_QUIC_RETRY_LIFETIME 30000 |
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33 #define NGX_QUIC_RETRY_BUFFER_SIZE 128 |
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34 /* 1 flags + 4 version + 3 x (1 + 20) s/o/dcid + itag + token(44) */ |
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35 #define NGX_QUIC_MAX_TOKEN_SIZE 32 |
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36 /* sizeof(struct in6_addr) + sizeof(ngx_msec_t) up to AES-256 block size */ |
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37 |
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QUIC: added rtt estimation.
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38 /* quic-recovery, section 6.2.2, kInitialRtt */ |
3b107aadc9f6
QUIC: added rtt estimation.
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39 #define NGX_QUIC_INITIAL_RTT 333 /* ms */ |
3b107aadc9f6
QUIC: added rtt estimation.
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40 |
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QUIC: reworked retransmission mechanism.
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41 /* quic-recovery, section 6.1.1, Packet Threshold */ |
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42 #define NGX_QUIC_PKT_THR 3 /* packets */ |
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43 /* quic-recovery, section 6.1.2, Time Threshold */ |
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44 #define NGX_QUIC_TIME_THR 1.125 |
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45 #define NGX_QUIC_TIME_GRANULARITY 1 /* ms */ |
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46 |
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Added proper handling of connection close phases.
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47 #define NGX_QUIC_CC_MIN_INTERVAL 1000 /* 1s */ |
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Added proper handling of connection close phases.
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48 |
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49 #define NGX_QUIC_MIN_INITIAL_SIZE 1200 |
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Respecting maximum packet size.
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50 |
8280
b364af7f9f3f
Removed ngx_quic_stream_node_t.
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51 #define NGX_QUIC_STREAM_SERVER_INITIATED 0x01 |
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Removed ngx_quic_stream_node_t.
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52 #define NGX_QUIC_STREAM_UNIDIRECTIONAL 0x02 |
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53 |
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QUIC basic congestion control.
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54 #define NGX_QUIC_STREAM_BUFSIZE 65536 |
8282
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Safe QUIC stream creation.
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55 |
8590
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QUIC: account packet header length in amplification limit.
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56 #define NGX_QUIC_MAX_CID_LEN 20 |
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57 #define NGX_QUIC_SERVER_CID_LEN NGX_QUIC_MAX_CID_LEN |
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QUIC: switched to using fixed-length server connection IDs.
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58 |
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QUIC: added stateless reset support.
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59 #define NGX_QUIC_SR_TOKEN_LEN 16 |
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60 |
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61 #define NGX_QUIC_MAX_SERVER_IDS 8 |
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62 |
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Split transport and crypto parts into separate files.
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63 |
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Configurable transport parameters.
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64 typedef struct { |
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65 /* configurable */ |
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66 ngx_msec_t max_idle_timeout; |
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67 ngx_msec_t max_ack_delay; |
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68 |
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125cbfa77013
Renamed max_packet_size to max_udp_payload_size, from draft-28.
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69 size_t max_udp_payload_size; |
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HTTP/3: bytes holding directives changed to ngx_conf_set_size_slot.
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70 size_t initial_max_data; |
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HTTP/3: bytes holding directives changed to ngx_conf_set_size_slot.
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71 size_t initial_max_stream_data_bidi_local; |
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72 size_t initial_max_stream_data_bidi_remote; |
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73 size_t initial_max_stream_data_uni; |
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74 ngx_uint_t initial_max_streams_bidi; |
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75 ngx_uint_t initial_max_streams_uni; |
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76 ngx_uint_t ack_delay_exponent; |
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77 ngx_uint_t active_connection_id_limit; |
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78 ngx_flag_t disable_active_migration; |
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QUIC draft-28 transport parameters support.
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79 ngx_str_t original_dcid; |
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QUIC draft-28 transport parameters support.
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80 ngx_str_t initial_scid; |
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QUIC draft-28 transport parameters support.
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81 ngx_str_t retry_scid; |
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82 u_char sr_token[NGX_QUIC_SR_TOKEN_LEN]; |
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83 ngx_uint_t sr_enabled; |
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Address validation using Retry packets.
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84 |
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85 /* TODO */ |
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86 void *preferred_address; |
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87 } ngx_quic_tp_t; |
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88 |
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89 |
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90 typedef struct { |
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QUIC: moved ssl configuration pointer to quic configuration.
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91 ngx_ssl_t *ssl; |
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QUIC: added "quic" listen parameter.
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92 ngx_quic_tp_t tp; |
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93 ngx_flag_t retry; |
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QUIC: added "quic" listen parameter in Stream.
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94 ngx_flag_t require_alpn; |
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95 u_char token_key[32]; /* AES 256 */ |
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96 ngx_str_t sr_token_key; /* stateless reset token key */ |
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97 } ngx_quic_conf_t; |
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98 |
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QUIC: added "quic" listen parameter.
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99 |
0d2b2664b41c
QUIC: added "quic" listen parameter.
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100 typedef struct { |
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101 uint64_t sent; |
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102 uint64_t received; |
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103 ngx_queue_t frames; /* reorder queue */ |
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104 size_t total; /* size of buffered data */ |
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105 } ngx_quic_frames_stream_t; |
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106 |
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107 |
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HTTP/QUIC interface reworked.
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108 struct ngx_quic_stream_s { |
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109 ngx_rbtree_node_t node; |
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110 ngx_connection_t *parent; |
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111 ngx_connection_t *c; |
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112 uint64_t id; |
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QUIC basic congestion control.
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113 uint64_t acked; |
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Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents:
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|
114 uint64_t send_max_data; |
8334
72d20158c814
Added reordering support for STREAM frames.
Vladimir Homutov <vl@nginx.com>
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115 ngx_buf_t *b; |
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Added reordering support for STREAM frames.
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116 ngx_quic_frames_stream_t fs; |
8208
4ae9ac69ab93
HTTP/QUIC interface reworked.
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117 }; |
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HTTP/QUIC interface reworked.
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118 |
8168 | 119 |
8621
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QUIC: refactored key handling.
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120 typedef struct ngx_quic_keys_s ngx_quic_keys_t; |
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121 |
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122 |
8563
bed310672f39
QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
123 void ngx_quic_run(ngx_connection_t *c, ngx_quic_conf_t *conf); |
8495
455a8536eaa7
QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8483
diff
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124 ngx_connection_t *ngx_quic_open_stream(ngx_connection_t *c, ngx_uint_t bidi); |
8458
e0f92f68e018
QUIC: Introduced ngx_quic_finalize_connection().
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parents:
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diff
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125 void 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:
8438
diff
changeset
|
126 const char *reason); |
8626
e0947c952d43
QUIC: multiple versions support in ALPN.
Sergey Kandaurov <pluknet@nginx.com>
parents:
8625
diff
changeset
|
127 uint32_t ngx_quic_version(ngx_connection_t *c); |
8628
45db1b5c1706
QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents:
8626
diff
changeset
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128 ngx_int_t ngx_quic_get_packet_dcid(ngx_log_t *log, u_char *data, size_t len, |
45db1b5c1706
QUIC: connection multiplexing per port.
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parents:
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diff
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129 ngx_str_t *dcid); |
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Initial QUIC support in http.
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parents:
diff
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130 |
8221
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Split transport and crypto parts into separate files.
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131 |
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132 /********************************* DEBUG *************************************/ |
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133 |
8371
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Removed outdated/incorrect comments and fixed style.
Vladimir Homutov <vl@nginx.com>
parents:
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134 /* #define NGX_QUIC_DEBUG_PACKETS */ /* dump packet contents */ |
9d9531431c8c
Removed outdated/incorrect comments and fixed style.
Vladimir Homutov <vl@nginx.com>
parents:
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changeset
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135 /* #define NGX_QUIC_DEBUG_FRAMES */ /* dump frames contents */ |
9d9531431c8c
Removed outdated/incorrect comments and fixed style.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
136 /* #define NGX_QUIC_DEBUG_FRAMES_ALLOC */ /* log frames alloc/reuse/free */ |
9d9531431c8c
Removed outdated/incorrect comments and fixed style.
Vladimir Homutov <vl@nginx.com>
parents:
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changeset
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137 /* #define NGX_QUIC_DEBUG_CRYPTO */ |
8359 | 138 |
8221
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Split transport and crypto parts into separate files.
Vladimir Homutov <vl@nginx.com>
parents:
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139 #if (NGX_DEBUG) |
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Split transport and crypto parts into separate files.
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140 |
8571
a0631204d88a
QUIC: fixed build with clang and NGX_QUIC_DEBUG_CRYPTO enabled.
Vladimir Homutov <vl@nginx.com>
parents:
8570
diff
changeset
|
141 #define ngx_quic_hexdump(log, fmt, data, len) \ |
a0631204d88a
QUIC: fixed build with clang and NGX_QUIC_DEBUG_CRYPTO enabled.
Vladimir Homutov <vl@nginx.com>
parents:
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142 ngx_quic_hexdump_real(log, fmt, (u_char *) data, (size_t) len) |
a0631204d88a
QUIC: fixed build with clang and NGX_QUIC_DEBUG_CRYPTO enabled.
Vladimir Homutov <vl@nginx.com>
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143 |
8570
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QUIC: inline function instead of macro for hexdump.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
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144 static ngx_inline |
8571
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
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145 void ngx_quic_hexdump_real(ngx_log_t *log, const char *label, u_char *data, |
8570
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QUIC: inline function instead of macro for hexdump.
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146 size_t len) |
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diff
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|
147 { |
6dac06dfe779
QUIC: inline function instead of macro for hexdump.
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|
148 ngx_int_t m; |
6dac06dfe779
QUIC: inline function instead of macro for hexdump.
Vladimir Homutov <vl@nginx.com>
parents:
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149 u_char buf[2048]; |
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150 |
6dac06dfe779
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151 if (log->log_level & NGX_LOG_DEBUG_EVENT) { |
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|
152 m = ngx_hex_dump(buf, data, (len > 1024) ? 1024 : len) - buf; |
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|
153 ngx_log_debug5(NGX_LOG_DEBUG_EVENT, log, 0, |
6dac06dfe779
QUIC: inline function instead of macro for hexdump.
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parents:
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154 "%s len:%uz data:%*s%s", |
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Vladimir Homutov <vl@nginx.com>
parents:
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155 label, len, m, buf, len < 2048 ? "" : "..."); |
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Vladimir Homutov <vl@nginx.com>
parents:
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156 } |
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parents:
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diff
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|
157 } |
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Split transport and crypto parts into separate files.
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diff
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158 |
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Split transport and crypto parts into separate files.
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diff
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|
159 #else |
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Split transport and crypto parts into separate files.
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parents:
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diff
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|
160 |
8360
f175006124d0
Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents:
8359
diff
changeset
|
161 #define ngx_quic_hexdump(log, fmt, data, len) |
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|
162 |
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diff
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|
163 #endif |
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Split transport and crypto parts into separate files.
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diff
changeset
|
164 |
8167
5d91389e0fd3
Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff
changeset
|
165 #endif /* _NGX_EVENT_QUIC_H_INCLUDED_ */ |