Mercurial > hg > nginx-quic
annotate src/core/ngx_connection.h @ 8183:1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Similarly to ssl_conf_command, proxy_ssl_conf_command (grpc_ssl_conf_command,
uwsgi_ssl_conf_command) can be used to set arbitrary OpenSSL configuration
parameters as long as nginx is compiled with OpenSSL 1.0.2 or later,
when connecting to upstream servers with SSL. Full list of available
configuration commands can be found in the SSL_CONF_cmd manual page
(https://www.openssl.org/docs/man1.1.1/man3/SSL_CONF_cmd.html).
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Thu, 22 Oct 2020 18:00:23 +0300 |
parents | 06b01840bd42 |
children | 5d91389e0fd3 4e141d0816d4 |
rev | line source |
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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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12 #include <ngx_config.h> |
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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; | |
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31 #if (NGX_HAVE_KEEPALIVE_TUNABLE) |
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32 int keepidle; |
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33 int keepintvl; |
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34 int keepcnt; |
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35 #endif |
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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; |
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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 /* should be here because of the deferred accept */ | |
557 | 49 ngx_msec_t post_accept_timeout; |
543 | 50 |
51 ngx_listening_t *previous; | |
52 ngx_connection_t *connection; | |
103
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53 |
7286 | 54 ngx_rbtree_t rbtree; |
55 ngx_rbtree_node_t sentinel; | |
56 | |
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57 ngx_uint_t worker; |
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58 |
543 | 59 unsigned open:1; |
60 unsigned remain:1; | |
61 unsigned ignore:1; | |
109
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62 |
543 | 63 unsigned bound:1; /* already bound */ |
64 unsigned inherited:1; /* inherited from previous process */ | |
65 unsigned nonblocking_accept:1; | |
563 | 66 unsigned listen:1; |
543 | 67 unsigned nonblocking:1; |
68 unsigned shared:1; /* shared between threads or processes */ | |
69 unsigned addr_ntop:1; | |
6436 | 70 unsigned wildcard:1; |
523 | 71 |
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72 #if (NGX_HAVE_INET6) |
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73 unsigned ipv6only:1; |
2562 | 74 #endif |
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75 unsigned reuseport:1; |
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76 unsigned add_reuseport:1; |
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77 unsigned keepalive:2; |
2562 | 78 |
543 | 79 unsigned deferred_accept:1; |
80 unsigned delete_deferred:1; | |
81 unsigned add_deferred:1; | |
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82 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER) |
543 | 83 char *accept_filter; |
523 | 84 #endif |
3676 | 85 #if (NGX_HAVE_SETFIB) |
86 int setfib; | |
87 #endif | |
419
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88 |
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89 #if (NGX_HAVE_TCP_FASTOPEN) |
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90 int fastopen; |
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91 #endif |
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92 |
543 | 93 }; |
92
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94 |
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95 |
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96 typedef enum { |
6474 | 97 NGX_ERROR_ALERT = 0, |
98 NGX_ERROR_ERR, | |
99 NGX_ERROR_INFO, | |
100 NGX_ERROR_IGNORE_ECONNRESET, | |
101 NGX_ERROR_IGNORE_EINVAL | |
256
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102 } ngx_connection_log_error_e; |
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103 |
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104 |
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105 typedef enum { |
6474 | 106 NGX_TCP_NODELAY_UNSET = 0, |
107 NGX_TCP_NODELAY_SET, | |
108 NGX_TCP_NODELAY_DISABLED | |
483 | 109 } ngx_connection_tcp_nodelay_e; |
110 | |
111 | |
112 typedef enum { | |
6474 | 113 NGX_TCP_NOPUSH_UNSET = 0, |
114 NGX_TCP_NOPUSH_SET, | |
115 NGX_TCP_NOPUSH_DISABLED | |
344
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116 } ngx_connection_tcp_nopush_e; |
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117 |
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118 |
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119 #define NGX_LOWLEVEL_BUFFERED 0x0f |
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120 #define NGX_SSL_BUFFERED 0x01 |
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The HTTP/2 implementation (RFC 7240, 7241).
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121 #define NGX_HTTP_V2_BUFFERED 0x02 |
597 | 122 |
123 | |
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124 struct ngx_connection_s { |
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125 void *data; |
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126 ngx_event_t *read; |
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127 ngx_event_t *write; |
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128 |
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129 ngx_socket_t fd; |
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130 |
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131 ngx_recv_pt recv; |
539 | 132 ngx_send_pt send; |
577 | 133 ngx_recv_chain_pt recv_chain; |
396
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134 ngx_send_chain_pt send_chain; |
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135 |
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136 ngx_listening_t *listening; |
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138 off_t sent; |
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139 |
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140 ngx_log_t *log; |
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141 |
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142 ngx_pool_t *pool; |
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143 |
6436 | 144 int type; |
145 | |
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146 struct sockaddr *sockaddr; |
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147 socklen_t socklen; |
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148 ngx_str_t addr_text; |
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149 |
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150 ngx_proxy_protocol_t *proxy_protocol; |
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Added server-side support for PROXY protocol v1 (ticket #355).
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151 |
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152 #if (NGX_SSL || NGX_COMPAT) |
547 | 153 ngx_ssl_connection_t *ssl; |
392
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154 #endif |
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155 |
7286 | 156 ngx_udp_connection_t *udp; |
157 | |
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158 struct sockaddr *local_sockaddr; |
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Core: keep the length of the local sockaddr.
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159 socklen_t local_socklen; |
103
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160 |
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161 ngx_buf_t *buffer; |
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162 |
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163 ngx_queue_t queue; |
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164 |
495 | 165 ngx_atomic_uint_t number; |
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166 |
2888 | 167 ngx_uint_t requests; |
168 | |
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169 unsigned buffered:8; |
597 | 170 |
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ignore EINVAL from setsockopt() on Solaris
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171 unsigned log_error:3; /* ngx_connection_log_error_e */ |
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172 |
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173 unsigned timedout:1; |
583 | 174 unsigned error:1; |
175 unsigned destroyed:1; | |
452 | 176 |
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177 unsigned idle:1; |
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178 unsigned reusable:1; |
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179 unsigned close:1; |
6436 | 180 unsigned shared:1; |
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181 |
452 | 182 unsigned sendfile:1; |
183 unsigned sndlowat:1; | |
483 | 184 unsigned tcp_nodelay:2; /* ngx_connection_tcp_nodelay_e */ |
185 unsigned tcp_nopush:2; /* ngx_connection_tcp_nopush_e */ | |
452 | 186 |
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187 unsigned need_last_buf:1; |
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188 |
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189 #if (NGX_HAVE_AIO_SENDFILE || NGX_COMPAT) |
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190 unsigned busy_count:2; |
3065 | 191 #endif |
192 | |
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193 #if (NGX_THREADS || NGX_COMPAT) |
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194 ngx_thread_task_t *sendfile_task; |
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195 #endif |
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196 }; |
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197 |
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198 |
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199 #define ngx_set_connection_log(c, l) \ |
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200 \ |
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201 c->log->file = l->file; \ |
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202 c->log->next = l->next; \ |
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203 c->log->writer = l->writer; \ |
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204 c->log->wdata = l->wdata; \ |
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205 if (!(c->log->log_level & NGX_LOG_DEBUG_CONNECTION)) { \ |
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206 c->log->log_level = l->log_level; \ |
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207 } |
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208 |
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209 |
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210 ngx_listening_t *ngx_create_listening(ngx_conf_t *cf, struct sockaddr *sockaddr, |
2806 | 211 socklen_t socklen); |
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Events: moved sockets cloning to ngx_event_init_conf().
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212 ngx_int_t ngx_clone_listening(ngx_cycle_t *cycle, ngx_listening_t *ls); |
219
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213 ngx_int_t ngx_set_inherited_sockets(ngx_cycle_t *cycle); |
218
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214 ngx_int_t ngx_open_listening_sockets(ngx_cycle_t *cycle); |
2802 | 215 void ngx_configure_listening_sockets(ngx_cycle_t *cycle); |
218
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216 void ngx_close_listening_sockets(ngx_cycle_t *cycle); |
417
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217 void ngx_close_connection(ngx_connection_t *c); |
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218 void ngx_close_idle_connections(ngx_cycle_t *cycle); |
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219 ngx_int_t ngx_connection_local_sockaddr(ngx_connection_t *c, ngx_str_t *s, |
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220 ngx_uint_t port); |
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Introduced ngx_tcp_nodelay().
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221 ngx_int_t ngx_tcp_nodelay(ngx_connection_t *c); |
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222 ngx_int_t ngx_connection_error(ngx_connection_t *c, ngx_err_t err, char *text); |
218
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223 |
543 | 224 ngx_connection_t *ngx_get_connection(ngx_socket_t s, ngx_log_t *log); |
225 void ngx_free_connection(ngx_connection_t *c); | |
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226 |
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227 void ngx_reusable_connection(ngx_connection_t *c, ngx_uint_t reusable); |
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228 |
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229 #endif /* _NGX_CONNECTION_H_INCLUDED_ */ |