Mercurial > hg > nginx-quic
annotate src/event/ngx_event_quic.h @ 8193:8550b91e8e35 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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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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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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10 |
7824
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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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14 |
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QUIC: switched to draft 29 by default.
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15 /* Supported drafts: 27, 28, 29 */ |
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16 #ifndef NGX_QUIC_DRAFT_VERSION |
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17 #define NGX_QUIC_DRAFT_VERSION 29 |
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18 #endif |
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19 #define NGX_QUIC_VERSION (0xff000000 + NGX_QUIC_DRAFT_VERSION) |
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20 |
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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 |
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23 /* 1 flags + 4 version + 2 x (1 + 20) s/dcid + 4 pn + 4 len + token len */ |
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24 |
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25 #define NGX_QUIC_MAX_UDP_PAYLOAD_SIZE 65527 |
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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 |
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Limited max udp payload size for outgoing packets.
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28 |
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29 #define NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT 3 |
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30 #define NGX_QUIC_DEFAULT_MAX_ACK_DELAY 25 |
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31 |
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32 #define NGX_QUIC_RETRY_TIMEOUT 3000 |
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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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38 |
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39 /* quic-recovery, section 6.2.2, kInitialRtt */ |
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40 #define NGX_QUIC_INITIAL_RTT 333 /* ms */ |
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41 |
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42 /* quic-recovery, section 6.1.1, Packet Threshold */ |
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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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47 |
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Added proper handling of connection close phases.
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48 #define NGX_QUIC_CC_MIN_INTERVAL 1000 /* 1s */ |
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49 |
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50 #define NGX_QUIC_MIN_INITIAL_SIZE 1200 |
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51 |
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Removed ngx_quic_stream_node_t.
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52 #define NGX_QUIC_STREAM_SERVER_INITIATED 0x01 |
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53 #define NGX_QUIC_STREAM_UNIDIRECTIONAL 0x02 |
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54 |
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QUIC basic congestion control.
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55 #define NGX_QUIC_STREAM_BUFSIZE 65536 |
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Safe QUIC stream creation.
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56 |
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QUIC: account packet header length in amplification limit.
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57 #define NGX_QUIC_MAX_CID_LEN 20 |
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58 #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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59 |
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60 #define NGX_QUIC_SR_TOKEN_LEN 16 |
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61 |
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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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68 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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69 size_t initial_max_data; |
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70 size_t initial_max_stream_data_bidi_local; |
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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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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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78 ngx_str_t original_dcid; |
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79 ngx_str_t initial_scid; |
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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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90 ngx_ssl_t *ssl; |
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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; |
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Respect MAX_DATA and MAX_STREAM_DATA from QUIC client.
Roman Arutyunyan <arut@nginx.com>
parents:
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113 uint64_t send_max_data; |
7811
72d20158c814
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; |
7674
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HTTP/QUIC interface reworked.
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116 }; |
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HTTP/QUIC interface reworked.
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117 |
7634 | 118 |
8191
9c3be23ddbe7
QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
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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 |
8101
bed310672f39
QUIC: moved ssl configuration pointer to quic configuration.
Vladimir Homutov <vl@nginx.com>
parents:
8100
diff
changeset
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122 void ngx_quic_run(ngx_connection_t *c, ngx_quic_conf_t *conf); |
8013
455a8536eaa7
QUIC: limited the number of server-initiated streams.
Roman Arutyunyan <arut@nginx.com>
parents:
8001
diff
changeset
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123 ngx_connection_t *ngx_quic_open_stream(ngx_connection_t *c, ngx_uint_t bidi); |
7953
e0f92f68e018
QUIC: Introduced ngx_quic_finalize_connection().
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parents:
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124 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:
7933
diff
changeset
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125 const char *reason); |
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Sergey Kandaurov <pluknet@nginx.com>
parents:
diff
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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 */ |
9d9531431c8c
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changeset
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131 /* #define NGX_QUIC_DEBUG_FRAMES */ /* dump frames contents */ |
9d9531431c8c
Removed outdated/incorrect comments and fixed style.
Vladimir Homutov <vl@nginx.com>
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diff
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132 /* #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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133 /* #define NGX_QUIC_DEBUG_CRYPTO */ |
7836 | 134 |
7687
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135 #if (NGX_DEBUG) |
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136 |
8130
a0631204d88a
QUIC: fixed build with clang and NGX_QUIC_DEBUG_CRYPTO enabled.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
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137 #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:
8129
diff
changeset
|
138 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>
parents:
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diff
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139 |
8129
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QUIC: inline function instead of macro for hexdump.
Vladimir Homutov <vl@nginx.com>
parents:
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140 static ngx_inline |
8130
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QUIC: fixed build with clang and NGX_QUIC_DEBUG_CRYPTO enabled.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
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141 void ngx_quic_hexdump_real(ngx_log_t *log, const char *label, u_char *data, |
8129
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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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|
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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parents:
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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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diff
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152 } |
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diff
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|
153 } |
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154 |
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diff
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|
155 #else |
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Split transport and crypto parts into separate files.
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changeset
|
156 |
7837
f175006124d0
Cleaned up hexdumps in debug output.
Vladimir Homutov <vl@nginx.com>
parents:
7836
diff
changeset
|
157 #define ngx_quic_hexdump(log, fmt, data, len) |
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Split transport and crypto parts into separate files.
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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 #endif |
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Split transport and crypto parts into separate files.
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diff
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|
160 |
7633
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Initial QUIC support in http.
Sergey Kandaurov <pluknet@nginx.com>
parents:
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161 #endif /* _NGX_EVENT_QUIC_H_INCLUDED_ */ |