Mercurial > hg > nginx
annotate src/core/ngx_connection.h @ 8794:ba5977b38b2e quic
HTTP/3: reordered H3_MISSING_SETTINGS and H3_FRAME_UNEXPECTED.
The quic-http-34 is ambiguous as to what error should be generated for the
first frame in control stream:
Each side MUST initiate a single control stream at the beginning of
the connection and send its SETTINGS frame as the first frame on this
stream. If the first frame of the control stream is any other frame
type, this MUST be treated as a connection error of type
H3_MISSING_SETTINGS.
If a DATA frame is received on a control stream, the recipient MUST
respond with a connection error of type H3_FRAME_UNEXPECTED.
If a HEADERS frame is received on a control stream, the recipient MUST
respond with a connection error of type H3_FRAME_UNEXPECTED.
Previously, H3_FRAME_UNEXPECTED had priority, but now H3_MISSING_SETTINGS has.
The arguments in the spec sound more compelling for H3_MISSING_SETTINGS.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Fri, 11 Jun 2021 10:56:51 +0300 |
parents | 7f95010f10b7 |
children | eaf356a35f5d |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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6 |
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8 #ifndef _NGX_CONNECTION_H_INCLUDED_ |
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9 #define _NGX_CONNECTION_H_INCLUDED_ |
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11 |
100
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12 #include <ngx_config.h> |
92
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13 #include <ngx_core.h> |
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14 |
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15 |
543 | 16 typedef struct ngx_listening_s ngx_listening_t; |
17 | |
18 struct ngx_listening_s { | |
19 ngx_socket_t fd; | |
103
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20 |
543 | 21 struct sockaddr *sockaddr; |
22 socklen_t socklen; /* size of sockaddr */ | |
23 size_t addr_text_max_len; | |
24 ngx_str_t addr_text; | |
103
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25 |
543 | 26 int type; |
563 | 27 |
543 | 28 int backlog; |
563 | 29 int rcvbuf; |
30 int sndbuf; | |
4323
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Added the "so_keepalive=" parameter to the "listen" directive.
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31 #if (NGX_HAVE_KEEPALIVE_TUNABLE) |
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Added the "so_keepalive=" parameter to the "listen" directive.
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32 int keepidle; |
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Added the "so_keepalive=" parameter to the "listen" directive.
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33 int keepintvl; |
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Added the "so_keepalive=" parameter to the "listen" directive.
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34 int keepcnt; |
c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
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35 #endif |
103
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36 |
543 | 37 /* handler of accepted connection */ |
547 | 38 ngx_connection_handler_pt handler; |
543 | 39 |
40 void *servers; /* array of ngx_http_in_addr_t, for example */ | |
103
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41 |
543 | 42 ngx_log_t log; |
2785
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*) refactor error_log processing: listen socket log might inherit built-in
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43 ngx_log_t *logp; |
103
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44 |
543 | 45 size_t pool_size; |
46 /* should be here because of the AcceptEx() preread */ | |
47 size_t post_accept_buffer_size; | |
48 | |
49 ngx_listening_t *previous; | |
50 ngx_connection_t *connection; | |
103
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51 |
7286 | 52 ngx_rbtree_t rbtree; |
53 ngx_rbtree_node_t sentinel; | |
54 | |
6153
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The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
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55 ngx_uint_t worker; |
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The "reuseport" option of the "listen" directive.
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56 |
543 | 57 unsigned open:1; |
58 unsigned remain:1; | |
59 unsigned ignore:1; | |
109
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60 |
543 | 61 unsigned bound:1; /* already bound */ |
62 unsigned inherited:1; /* inherited from previous process */ | |
63 unsigned nonblocking_accept:1; | |
563 | 64 unsigned listen:1; |
543 | 65 unsigned nonblocking:1; |
66 unsigned shared:1; /* shared between threads or processes */ | |
67 unsigned addr_ntop:1; | |
6436 | 68 unsigned wildcard:1; |
523 | 69 |
6719
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Modules compatibility: removed unneeded IPV6_V6ONLY checks.
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70 #if (NGX_HAVE_INET6) |
4771
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Core: ipv6only is now on by default.
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71 unsigned ipv6only:1; |
2562 | 72 #endif |
6153
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73 unsigned reuseport:1; |
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The "reuseport" option of the "listen" directive.
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74 unsigned add_reuseport:1; |
4323
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75 unsigned keepalive:2; |
8441
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Do not close QUIC sockets in ngx_close_listening_sockets().
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76 unsigned quic:1; |
2562 | 77 |
543 | 78 unsigned deferred_accept:1; |
79 unsigned delete_deferred:1; | |
80 unsigned add_deferred:1; | |
6721
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Modules compatibility: removed two NGX_HAVE_DEFERRED_ACCEPT checks.
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81 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER) |
543 | 82 char *accept_filter; |
523 | 83 #endif |
3676 | 84 #if (NGX_HAVE_SETFIB) |
85 int setfib; | |
86 #endif | |
419
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87 |
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Added support for TCP_FASTOPEN supported in Linux >= 3.7.1.
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88 #if (NGX_HAVE_TCP_FASTOPEN) |
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Added support for TCP_FASTOPEN supported in Linux >= 3.7.1.
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89 int fastopen; |
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Added support for TCP_FASTOPEN supported in Linux >= 3.7.1.
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90 #endif |
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Added support for TCP_FASTOPEN supported in Linux >= 3.7.1.
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91 |
543 | 92 }; |
92
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93 |
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94 |
256
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95 typedef enum { |
6474 | 96 NGX_ERROR_ALERT = 0, |
97 NGX_ERROR_ERR, | |
98 NGX_ERROR_INFO, | |
99 NGX_ERROR_IGNORE_ECONNRESET, | |
100 NGX_ERROR_IGNORE_EINVAL | |
256
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101 } ngx_connection_log_error_e; |
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102 |
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103 |
344
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104 typedef enum { |
6474 | 105 NGX_TCP_NODELAY_UNSET = 0, |
106 NGX_TCP_NODELAY_SET, | |
107 NGX_TCP_NODELAY_DISABLED | |
483 | 108 } ngx_connection_tcp_nodelay_e; |
109 | |
110 | |
111 typedef enum { | |
6474 | 112 NGX_TCP_NOPUSH_UNSET = 0, |
113 NGX_TCP_NOPUSH_SET, | |
114 NGX_TCP_NOPUSH_DISABLED | |
344
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115 } ngx_connection_tcp_nopush_e; |
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116 |
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117 |
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high level HTTP buffered flags should be on per-subrequest basis,
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118 #define NGX_LOWLEVEL_BUFFERED 0x0f |
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119 #define NGX_SSL_BUFFERED 0x01 |
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The HTTP/2 implementation (RFC 7240, 7241).
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120 #define NGX_HTTP_V2_BUFFERED 0x02 |
597 | 121 |
122 | |
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123 struct ngx_connection_s { |
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124 void *data; |
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125 ngx_event_t *read; |
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126 ngx_event_t *write; |
103
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127 |
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128 ngx_socket_t fd; |
103
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129 |
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130 ngx_recv_pt recv; |
539 | 131 ngx_send_pt send; |
577 | 132 ngx_recv_chain_pt recv_chain; |
396
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133 ngx_send_chain_pt send_chain; |
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134 |
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135 ngx_listening_t *listening; |
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136 |
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137 off_t sent; |
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138 |
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139 ngx_log_t *log; |
57
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140 |
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141 ngx_pool_t *pool; |
103
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142 |
6436 | 143 int type; |
144 | |
396
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145 struct sockaddr *sockaddr; |
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146 socklen_t socklen; |
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147 ngx_str_t addr_text; |
103
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148 |
7590
06b01840bd42
Core: moved PROXY protocol fields out of ngx_connection_t.
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149 ngx_proxy_protocol_t *proxy_protocol; |
5605
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Added server-side support for PROXY protocol v1 (ticket #355).
Roman Arutyunyan <arut@nginx.com>
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5513
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150 |
8481
0d2b2664b41c
QUIC: added "quic" listen parameter.
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151 #if (NGX_QUIC || NGX_COMPAT) |
8637
c436681ad8e0
Core: reduced diff to the default branch.
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152 ngx_quic_stream_t *quic; |
8481
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QUIC: added "quic" listen parameter.
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153 #endif |
0d2b2664b41c
QUIC: added "quic" listen parameter.
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154 |
6735
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Modules compatibility: compatibility with NGX_HTTP_SSL.
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155 #if (NGX_SSL || NGX_COMPAT) |
547 | 156 ngx_ssl_connection_t *ssl; |
392
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157 #endif |
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158 |
7286 | 159 ngx_udp_connection_t *udp; |
160 | |
396
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161 struct sockaddr *local_sockaddr; |
5463
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Core: keep the length of the local sockaddr.
Ruslan Ermilov <ru@nginx.com>
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162 socklen_t local_socklen; |
103
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163 |
396
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164 ngx_buf_t *buffer; |
8
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nginx-0.0.1-2002-09-02-18:48:24 import
Igor Sysoev <igor@sysoev.ru>
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165 |
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166 ngx_queue_t queue; |
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167 |
495 | 168 ngx_atomic_uint_t number; |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
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24
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169 |
7820
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Introduced the "keepalive_time" directive.
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170 ngx_msec_t start_time; |
2888 | 171 ngx_uint_t requests; |
172 | |
829
362d156f0278
high level HTTP buffered flags should be on per-subrequest basis,
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173 unsigned buffered:8; |
597 | 174 |
2560
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ignore EINVAL from setsockopt() on Solaris
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175 unsigned log_error:3; /* ngx_connection_log_error_e */ |
256
8e39cab6abd5
nginx-0.0.2-2004-02-10-19:23:38 import
Igor Sysoev <igor@sysoev.ru>
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253
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176 |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
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177 unsigned timedout:1; |
583 | 178 unsigned error:1; |
179 unsigned destroyed:1; | |
452 | 180 |
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181 unsigned idle:1; |
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182 unsigned reusable:1; |
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183 unsigned close:1; |
6436 | 184 unsigned shared:1; |
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185 |
452 | 186 unsigned sendfile:1; |
187 unsigned sndlowat:1; | |
483 | 188 unsigned tcp_nodelay:2; /* ngx_connection_tcp_nodelay_e */ |
189 unsigned tcp_nopush:2; /* ngx_connection_tcp_nopush_e */ | |
452 | 190 |
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SPDY: body filter was replaced by c->send_chain() function.
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191 unsigned need_last_buf:1; |
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SPDY: body filter was replaced by c->send_chain() function.
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192 |
6734
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Modules compatibility: compatibility with NGX_HAVE_FILE_AIO.
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193 #if (NGX_HAVE_AIO_SENDFILE || NGX_COMPAT) |
5498
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Allowed up to two EBUSY errors from sendfile().
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194 unsigned busy_count:2; |
3065 | 195 #endif |
196 | |
6733
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Modules compatibility: compatibility with NGX_THREADS.
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197 #if (NGX_THREADS || NGX_COMPAT) |
6023
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Added support for offloading Linux sendfile() in thread pools.
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198 ngx_thread_task_t *sendfile_task; |
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Added support for offloading Linux sendfile() in thread pools.
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199 #endif |
0
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nginx-0.0.1-2002-08-06-20:39:45 import
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200 }; |
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201 |
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202 |
6129
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Core: the ngx_set_connection_log() macro.
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203 #define ngx_set_connection_log(c, l) \ |
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Core: the ngx_set_connection_log() macro.
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204 \ |
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Core: the ngx_set_connection_log() macro.
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205 c->log->file = l->file; \ |
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Core: the ngx_set_connection_log() macro.
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206 c->log->next = l->next; \ |
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Core: the ngx_set_connection_log() macro.
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207 c->log->writer = l->writer; \ |
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Core: the ngx_set_connection_log() macro.
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208 c->log->wdata = l->wdata; \ |
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Core: the ngx_set_connection_log() macro.
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209 if (!(c->log->log_level & NGX_LOG_DEBUG_CONNECTION)) { \ |
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Core: the ngx_set_connection_log() macro.
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210 c->log->log_level = l->log_level; \ |
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Core: the ngx_set_connection_log() macro.
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211 } |
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Core: the ngx_set_connection_log() macro.
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212 |
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Core: the ngx_set_connection_log() macro.
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213 |
6555
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Belatedly changed the ngx_create_listening() prototype.
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214 ngx_listening_t *ngx_create_listening(ngx_conf_t *cf, struct sockaddr *sockaddr, |
2806 | 215 socklen_t socklen); |
7315
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Events: moved sockets cloning to ngx_event_init_conf().
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216 ngx_int_t ngx_clone_listening(ngx_cycle_t *cycle, ngx_listening_t *ls); |
219
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nginx-0.0.1-2004-01-06-19:49:34 import
Igor Sysoev <igor@sysoev.ru>
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218
diff
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217 ngx_int_t ngx_set_inherited_sockets(ngx_cycle_t *cycle); |
218
05592fd7a436
nginx-0.0.1-2004-01-05-23:55:48 import
Igor Sysoev <igor@sysoev.ru>
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216
diff
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218 ngx_int_t ngx_open_listening_sockets(ngx_cycle_t *cycle); |
2802 | 219 void ngx_configure_listening_sockets(ngx_cycle_t *cycle); |
218
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Igor Sysoev <igor@sysoev.ru>
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216
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220 void ngx_close_listening_sockets(ngx_cycle_t *cycle); |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
399
diff
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221 void ngx_close_connection(ngx_connection_t *c); |
6220
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Core: idle connections now closed only once on exiting.
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222 void ngx_close_idle_connections(ngx_cycle_t *cycle); |
2854
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ngx_connection_local_sockaddr()
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223 ngx_int_t ngx_connection_local_sockaddr(ngx_connection_t *c, ngx_str_t *s, |
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ngx_connection_local_sockaddr()
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224 ngx_uint_t port); |
7007
ed1101bbf19f
Introduced ngx_tcp_nodelay().
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parents:
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diff
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225 ngx_int_t ngx_tcp_nodelay(ngx_connection_t *c); |
253
b6793bc5034b
nginx-0.0.2-2004-02-09-10:46:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
219
diff
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226 ngx_int_t ngx_connection_error(ngx_connection_t *c, ngx_err_t err, char *text); |
218
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216
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227 |
543 | 228 ngx_connection_t *ngx_get_connection(ngx_socket_t s, ngx_log_t *log); |
229 void ngx_free_connection(ngx_connection_t *c); | |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
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87
diff
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230 |
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231 void ngx_reusable_connection(ngx_connection_t *c, ngx_uint_t reusable); |
91
637625a2acdb
nginx-0.0.1-2003-05-19-20:39:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
87
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232 |
0
4eff17414a43
nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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233 #endif /* _NGX_CONNECTION_H_INCLUDED_ */ |