Mercurial > hg > nginx
annotate src/event/ngx_event_quic.h @ 8623:8550b91e8e35 quic
QUIC: added proper logging of special values.
A number of unsigned variables has a special value, usually -1 or some maximum,
which produces huge numeric value in logs and makes them hard to read.
In order to distinguish such values in log, they are casted to the signed type
and printed as literal '-1'.
author | Vladimir Homutov <vl@nginx.com> |
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date | Fri, 06 Nov 2020 18:21:31 +0300 |
parents | 9c3be23ddbe7 |
children | 4416b7ab0a27 |
rev | line source |
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8167
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Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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1 |
5d91389e0fd3
Initial QUIC support in http.
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2 /* |
8182
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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 |
5d91389e0fd3
Initial QUIC support in http.
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7 #ifndef _NGX_EVENT_QUIC_H_INCLUDED_ |
5d91389e0fd3
Initial QUIC support in http.
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8 #define _NGX_EVENT_QUIC_H_INCLUDED_ |
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Initial QUIC support in http.
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9 |
5d91389e0fd3
Initial QUIC support in http.
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10 |
8347
a5141e6b3214
Fixed includes in quic headers.
Roman Arutyunyan <arut@nginx.com>
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11 #include <ngx_config.h> |
a5141e6b3214
Fixed includes in quic headers.
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12 #include <ngx_core.h> |
8170
53a5cdbe500c
QUIC add_handshake_data callback, varint routines.
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13 |
8221
69345a26ba69
Split transport and crypto parts into separate files.
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14 |
8547
57e5393e5d40
QUIC: switched to draft 29 by default.
Vladimir Homutov <vl@nginx.com>
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15 /* Supported drafts: 27, 28, 29 */ |
8418
8b4a0a752723
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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Made NGX_QUIC_DRAFT_VERSION tunable from configure parameters.
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18 #endif |
8269
c9c3a73df6e8
Support for HTTP/3 ALPN.
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19 #define NGX_QUIC_VERSION (0xff000000 + NGX_QUIC_DRAFT_VERSION) |
8221
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Split transport and crypto parts into separate files.
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20 |
8345
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Respecting maximum packet size.
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21 #define NGX_QUIC_MAX_SHORT_HEADER 25 /* 1 flags + 20 dcid + 4 pn */ |
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22 #define NGX_QUIC_MAX_LONG_HEADER 56 |
6481427ca3fc
Respecting maximum packet size.
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23 /* 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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24 |
8415
125cbfa77013
Renamed max_packet_size to max_udp_payload_size, from draft-28.
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25 #define NGX_QUIC_MAX_UDP_PAYLOAD_SIZE 65527 |
8436
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QUIC: further limiting maximum QUIC packet size.
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26 #define NGX_QUIC_MAX_UDP_PAYLOAD_OUT 1252 |
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27 #define NGX_QUIC_MAX_UDP_PAYLOAD_OUT6 1232 |
8432
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Limited max udp payload size for outgoing packets.
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28 |
8265
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Limit output QUIC packets with client max_packet_size.
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29 #define NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT 3 |
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Limit output QUIC packets with client max_packet_size.
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30 #define NGX_QUIC_DEFAULT_MAX_ACK_DELAY 25 |
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31 |
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Address validation using Retry packets.
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32 #define NGX_QUIC_RETRY_TIMEOUT 3000 |
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Address validation using Retry packets.
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33 #define NGX_QUIC_RETRY_LIFETIME 30000 |
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34 #define NGX_QUIC_RETRY_BUFFER_SIZE 128 |
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35 /* 1 flags + 4 version + 3 x (1 + 20) s/o/dcid + itag + token(44) */ |
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36 #define NGX_QUIC_MAX_TOKEN_SIZE 32 |
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37 /* sizeof(struct in6_addr) + sizeof(ngx_msec_t) up to AES-256 block size */ |
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Address validation using Retry packets.
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38 |
8469
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QUIC: added rtt estimation.
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39 /* quic-recovery, section 6.2.2, kInitialRtt */ |
3b107aadc9f6
QUIC: added rtt estimation.
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40 #define NGX_QUIC_INITIAL_RTT 333 /* ms */ |
3b107aadc9f6
QUIC: added rtt estimation.
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41 |
8474
909b989ec088
QUIC: reworked retransmission mechanism.
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42 /* quic-recovery, section 6.1.1, Packet Threshold */ |
909b989ec088
QUIC: reworked retransmission mechanism.
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43 #define NGX_QUIC_PKT_THR 3 /* packets */ |
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44 /* quic-recovery, section 6.1.2, Time Threshold */ |
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45 #define NGX_QUIC_TIME_THR 1.125 |
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46 #define NGX_QUIC_TIME_GRANULARITY 1 /* ms */ |
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QUIC: reworked retransmission mechanism.
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47 |
8355
ad3a6f069498
Added proper handling of connection close phases.
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48 #define NGX_QUIC_CC_MIN_INTERVAL 1000 /* 1s */ |
ad3a6f069498
Added proper handling of connection close phases.
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49 |
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Respecting maximum packet size.
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50 #define NGX_QUIC_MIN_INITIAL_SIZE 1200 |
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Respecting maximum packet size.
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51 |
8280
b364af7f9f3f
Removed ngx_quic_stream_node_t.
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52 #define NGX_QUIC_STREAM_SERVER_INITIATED 0x01 |
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Removed ngx_quic_stream_node_t.
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53 #define NGX_QUIC_STREAM_UNIDIRECTIONAL 0x02 |
b364af7f9f3f
Removed ngx_quic_stream_node_t.
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54 |
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QUIC basic congestion control.
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55 #define NGX_QUIC_STREAM_BUFSIZE 65536 |
8282
4cf00c14f11a
Safe QUIC stream creation.
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56 |
8590
44991d728899
QUIC: account packet header length in amplification limit.
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57 #define NGX_QUIC_MAX_CID_LEN 20 |
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QUIC: account packet header length in amplification limit.
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58 #define NGX_QUIC_SERVER_CID_LEN NGX_QUIC_MAX_CID_LEN |
8557
2727d402e5a5
QUIC: switched to using fixed-length server connection IDs.
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59 |
8562
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QUIC: added stateless reset support.
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60 #define NGX_QUIC_SR_TOKEN_LEN 16 |
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61 |
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Split transport and crypto parts into separate files.
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62 |
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Configurable transport parameters.
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63 typedef struct { |
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64 /* configurable */ |
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65 ngx_msec_t max_idle_timeout; |
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66 ngx_msec_t max_ack_delay; |
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67 |
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Renamed max_packet_size to max_udp_payload_size, from draft-28.
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68 size_t max_udp_payload_size; |
8352
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HTTP/3: bytes holding directives changed to ngx_conf_set_size_slot.
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69 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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70 size_t initial_max_stream_data_bidi_local; |
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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_remote; |
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72 size_t initial_max_stream_data_uni; |
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73 ngx_uint_t initial_max_streams_bidi; |
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Added reordering support for STREAM frames.
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74 ngx_uint_t initial_max_streams_uni; |
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75 ngx_uint_t ack_delay_exponent; |
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76 ngx_uint_t disable_active_migration; |
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77 ngx_uint_t active_connection_id_limit; |
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QUIC draft-28 transport parameters support.
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78 ngx_str_t original_dcid; |
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79 ngx_str_t initial_scid; |
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QUIC draft-28 transport parameters support.
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80 ngx_str_t retry_scid; |
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81 u_char sr_token[NGX_QUIC_SR_TOKEN_LEN]; |
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82 ngx_uint_t sr_enabled; |
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83 |
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84 /* TODO */ |
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85 void *preferred_address; |
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86 } ngx_quic_tp_t; |
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87 |
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88 |
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89 typedef struct { |
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QUIC: moved ssl configuration pointer to quic configuration.
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90 ngx_ssl_t *ssl; |
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QUIC: added "quic" listen parameter.
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91 ngx_quic_tp_t tp; |
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92 ngx_flag_t retry; |
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93 ngx_flag_t require_alpn; |
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94 u_char token_key[32]; /* AES 256 */ |
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95 ngx_str_t sr_token_key; /* stateless reset token key */ |
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96 } ngx_quic_conf_t; |
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97 |
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98 |
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99 typedef struct { |
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100 uint64_t sent; |
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101 uint64_t received; |
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102 ngx_queue_t frames; /* reorder queue */ |
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103 size_t total; /* size of buffered data */ |
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104 } ngx_quic_frames_stream_t; |
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105 |
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106 |
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HTTP/QUIC interface reworked.
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107 struct ngx_quic_stream_s { |
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108 ngx_rbtree_node_t node; |
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109 ngx_connection_t *parent; |
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110 ngx_connection_t *c; |
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111 uint64_t id; |
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112 uint64_t acked; |
8365
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Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
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113 uint64_t send_max_data; |
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Added reordering support for STREAM frames.
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114 ngx_buf_t *b; |
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115 ngx_quic_frames_stream_t fs; |
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116 }; |
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117 |
8168 | 118 |
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119 typedef struct ngx_quic_keys_s ngx_quic_keys_t; |
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120 |
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121 |
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QUIC: moved ssl configuration pointer to quic configuration.
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122 void ngx_quic_run(ngx_connection_t *c, ngx_quic_conf_t *conf); |
8495
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QUIC: limited the number of server-initiated streams.
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123 ngx_connection_t *ngx_quic_open_stream(ngx_connection_t *c, ngx_uint_t bidi); |
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QUIC: Introduced ngx_quic_finalize_connection().
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124 void ngx_quic_finalize_connection(ngx_connection_t *c, ngx_uint_t err, |
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QUIC: Introduced ngx_quic_finalize_connection().
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125 const char *reason); |
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126 |
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127 |
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128 /********************************* DEBUG *************************************/ |
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129 |
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Removed outdated/incorrect comments and fixed style.
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130 /* #define NGX_QUIC_DEBUG_PACKETS */ /* dump packet contents */ |
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131 /* #define NGX_QUIC_DEBUG_FRAMES */ /* dump frames contents */ |
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132 /* #define NGX_QUIC_DEBUG_FRAMES_ALLOC */ /* log frames alloc/reuse/free */ |
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133 /* #define NGX_QUIC_DEBUG_CRYPTO */ |
8359 | 134 |
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135 #if (NGX_DEBUG) |
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136 |
8571
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QUIC: fixed build with clang and NGX_QUIC_DEBUG_CRYPTO enabled.
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137 #define ngx_quic_hexdump(log, fmt, data, len) \ |
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138 ngx_quic_hexdump_real(log, fmt, (u_char *) data, (size_t) len) |
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139 |
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140 static ngx_inline |
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141 void ngx_quic_hexdump_real(ngx_log_t *log, const char *label, u_char *data, |
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142 size_t len) |
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143 { |
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144 ngx_int_t m; |
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145 u_char buf[2048]; |
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146 |
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147 if (log->log_level & NGX_LOG_DEBUG_EVENT) { |
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148 m = ngx_hex_dump(buf, data, (len > 1024) ? 1024 : len) - buf; |
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149 ngx_log_debug5(NGX_LOG_DEBUG_EVENT, log, 0, |
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150 "%s len:%uz data:%*s%s", |
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151 label, len, m, buf, len < 2048 ? "" : "..."); |
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152 } |
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153 } |
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154 |
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155 #else |
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156 |
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Cleaned up hexdumps in debug output.
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diff
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|
157 #define ngx_quic_hexdump(log, fmt, data, len) |
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158 |
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159 #endif |
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160 |
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Initial QUIC support in http.
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161 #endif /* _NGX_EVENT_QUIC_H_INCLUDED_ */ |