Mercurial > hg > nginx
annotate src/stream/ngx_stream.h @ 6975:d7ce41bdf050
Stream: configurable socket buffer sizes.
The "rcvbuf" and "sndbuf" parameters are now supported by
the "listen" directive.
author | Vladimir Homutov <vl@nginx.com> |
---|---|
date | Mon, 03 Apr 2017 17:29:19 +0300 |
parents | d2b2ff157da5 |
children | 4f9b72a229c1 |
rev | line source |
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6115 | 1 |
2 /* | |
3 * Copyright (C) Roman Arutyunyan | |
4 * Copyright (C) Nginx, Inc. | |
5 */ | |
6 | |
7 | |
8 #ifndef _NGX_STREAM_H_INCLUDED_ | |
9 #define _NGX_STREAM_H_INCLUDED_ | |
10 | |
11 | |
12 #include <ngx_config.h> | |
13 #include <ngx_core.h> | |
14 | |
15 #if (NGX_STREAM_SSL) | |
16 #include <ngx_stream_ssl_module.h> | |
17 #endif | |
18 | |
19 | |
20 typedef struct ngx_stream_session_s ngx_stream_session_t; | |
21 | |
22 | |
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23 #include <ngx_stream_variables.h> |
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24 #include <ngx_stream_script.h> |
6115 | 25 #include <ngx_stream_upstream.h> |
26 #include <ngx_stream_upstream_round_robin.h> | |
27 | |
28 | |
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29 #define NGX_STREAM_OK 200 |
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30 #define NGX_STREAM_BAD_REQUEST 400 |
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31 #define NGX_STREAM_FORBIDDEN 403 |
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32 #define NGX_STREAM_INTERNAL_SERVER_ERROR 500 |
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33 #define NGX_STREAM_BAD_GATEWAY 502 |
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34 #define NGX_STREAM_SERVICE_UNAVAILABLE 503 |
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35 |
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36 |
6115 | 37 typedef struct { |
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38 void **main_conf; |
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39 void **srv_conf; |
6115 | 40 } ngx_stream_conf_ctx_t; |
41 | |
42 | |
43 typedef struct { | |
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44 ngx_sockaddr_t sockaddr; |
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45 socklen_t socklen; |
6115 | 46 |
47 /* server ctx */ | |
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48 ngx_stream_conf_ctx_t *ctx; |
6115 | 49 |
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50 unsigned bind:1; |
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51 unsigned wildcard:1; |
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52 unsigned ssl:1; |
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53 #if (NGX_HAVE_INET6) |
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54 unsigned ipv6only:1; |
6115 | 55 #endif |
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56 unsigned reuseport:1; |
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57 unsigned so_keepalive:2; |
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58 unsigned proxy_protocol:1; |
6115 | 59 #if (NGX_HAVE_KEEPALIVE_TUNABLE) |
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60 int tcp_keepidle; |
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61 int tcp_keepintvl; |
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62 int tcp_keepcnt; |
6115 | 63 #endif |
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64 int backlog; |
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65 int rcvbuf; |
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66 int sndbuf; |
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67 int type; |
6115 | 68 } ngx_stream_listen_t; |
69 | |
70 | |
71 typedef struct { | |
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72 ngx_stream_conf_ctx_t *ctx; |
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73 ngx_str_t addr_text; |
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74 unsigned ssl:1; |
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75 unsigned proxy_protocol:1; |
6115 | 76 } ngx_stream_addr_conf_t; |
77 | |
78 typedef struct { | |
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79 in_addr_t addr; |
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80 ngx_stream_addr_conf_t conf; |
6115 | 81 } ngx_stream_in_addr_t; |
82 | |
83 | |
84 #if (NGX_HAVE_INET6) | |
85 | |
86 typedef struct { | |
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87 struct in6_addr addr6; |
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88 ngx_stream_addr_conf_t conf; |
6115 | 89 } ngx_stream_in6_addr_t; |
90 | |
91 #endif | |
92 | |
93 | |
94 typedef struct { | |
95 /* ngx_stream_in_addr_t or ngx_stream_in6_addr_t */ | |
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96 void *addrs; |
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97 ngx_uint_t naddrs; |
6115 | 98 } ngx_stream_port_t; |
99 | |
100 | |
101 typedef struct { | |
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102 int family; |
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103 int type; |
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104 in_port_t port; |
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105 ngx_array_t addrs; /* array of ngx_stream_conf_addr_t */ |
6115 | 106 } ngx_stream_conf_port_t; |
107 | |
108 | |
109 typedef struct { | |
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110 ngx_stream_listen_t opt; |
6115 | 111 } ngx_stream_conf_addr_t; |
112 | |
113 | |
6693 | 114 typedef enum { |
115 NGX_STREAM_POST_ACCEPT_PHASE = 0, | |
116 NGX_STREAM_PREACCESS_PHASE, | |
117 NGX_STREAM_ACCESS_PHASE, | |
118 NGX_STREAM_SSL_PHASE, | |
6694 | 119 NGX_STREAM_PREREAD_PHASE, |
6693 | 120 NGX_STREAM_CONTENT_PHASE, |
121 NGX_STREAM_LOG_PHASE | |
122 } ngx_stream_phases; | |
123 | |
124 | |
125 typedef struct ngx_stream_phase_handler_s ngx_stream_phase_handler_t; | |
126 | |
127 typedef ngx_int_t (*ngx_stream_phase_handler_pt)(ngx_stream_session_t *s, | |
128 ngx_stream_phase_handler_t *ph); | |
129 typedef ngx_int_t (*ngx_stream_handler_pt)(ngx_stream_session_t *s); | |
130 typedef void (*ngx_stream_content_handler_pt)(ngx_stream_session_t *s); | |
131 | |
132 | |
133 struct ngx_stream_phase_handler_s { | |
134 ngx_stream_phase_handler_pt checker; | |
135 ngx_stream_handler_pt handler; | |
136 ngx_uint_t next; | |
137 }; | |
138 | |
139 | |
140 typedef struct { | |
141 ngx_stream_phase_handler_t *handlers; | |
142 } ngx_stream_phase_engine_t; | |
143 | |
144 | |
145 typedef struct { | |
146 ngx_array_t handlers; | |
147 } ngx_stream_phase_t; | |
6175 | 148 |
149 | |
6115 | 150 typedef struct { |
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151 ngx_array_t servers; /* ngx_stream_core_srv_conf_t */ |
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152 ngx_array_t listen; /* ngx_stream_listen_t */ |
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153 |
6693 | 154 ngx_stream_phase_engine_t phase_engine; |
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155 |
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156 ngx_hash_t variables_hash; |
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157 |
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158 ngx_array_t variables; /* ngx_stream_variable_t */ |
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159 ngx_array_t prefix_variables; /* ngx_stream_variable_t */ |
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160 ngx_uint_t ncaptures; |
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161 |
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162 ngx_uint_t variables_hash_max_size; |
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163 ngx_uint_t variables_hash_bucket_size; |
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164 |
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165 ngx_hash_keys_arrays_t *variables_keys; |
6693 | 166 |
167 ngx_stream_phase_t phases[NGX_STREAM_LOG_PHASE + 1]; | |
6115 | 168 } ngx_stream_core_main_conf_t; |
169 | |
170 | |
171 typedef struct { | |
6693 | 172 ngx_stream_content_handler_pt handler; |
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173 |
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174 ngx_stream_conf_ctx_t *ctx; |
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175 |
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176 u_char *file_name; |
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177 ngx_uint_t line; |
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178 |
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179 ngx_flag_t tcp_nodelay; |
6694 | 180 size_t preread_buffer_size; |
181 ngx_msec_t preread_timeout; | |
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182 |
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183 ngx_log_t *error_log; |
6618 | 184 |
185 ngx_msec_t resolver_timeout; | |
186 ngx_resolver_t *resolver; | |
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187 |
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188 ngx_msec_t proxy_protocol_timeout; |
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189 |
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190 ngx_uint_t listen; /* unsigned listen:1; */ |
6115 | 191 } ngx_stream_core_srv_conf_t; |
192 | |
193 | |
194 struct ngx_stream_session_s { | |
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195 uint32_t signature; /* "STRM" */ |
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196 |
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197 ngx_connection_t *connection; |
6115 | 198 |
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199 off_t received; |
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200 time_t start_sec; |
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201 ngx_msec_t start_msec; |
6115 | 202 |
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203 ngx_log_handler_pt log_handler; |
6115 | 204 |
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205 void **ctx; |
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206 void **main_conf; |
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207 void **srv_conf; |
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208 |
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209 ngx_stream_upstream_t *upstream; |
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210 ngx_array_t *upstream_states; |
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211 /* of ngx_stream_upstream_state_t */ |
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212 ngx_stream_variable_value_t *variables; |
6115 | 213 |
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214 #if (NGX_PCRE) |
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215 ngx_uint_t ncaptures; |
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216 int *captures; |
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217 u_char *captures_data; |
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218 #endif |
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219 |
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221 ngx_uint_t status; |
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222 |
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223 unsigned ssl:1; |
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Maxim Dounin <mdounin@mdounin.ru>
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224 |
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Modules compatibility: status fields.
Maxim Dounin <mdounin@mdounin.ru>
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225 unsigned stat_processing:1; |
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226 |
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227 unsigned health_check:1; |
6115 | 228 }; |
229 | |
230 | |
231 typedef struct { | |
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Stream: variables and script.
Vladimir Homutov <vl@nginx.com>
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232 ngx_int_t (*preconfiguration)(ngx_conf_t *cf); |
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233 ngx_int_t (*postconfiguration)(ngx_conf_t *cf); |
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Stream: added postconfiguration method to stream modules.
Vladimir Homutov <vl@nginx.com>
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234 |
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235 void *(*create_main_conf)(ngx_conf_t *cf); |
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236 char *(*init_main_conf)(ngx_conf_t *cf, void *conf); |
6115 | 237 |
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238 void *(*create_srv_conf)(ngx_conf_t *cf); |
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239 char *(*merge_srv_conf)(ngx_conf_t *cf, void *prev, |
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240 void *conf); |
6115 | 241 } ngx_stream_module_t; |
242 | |
243 | |
244 #define NGX_STREAM_MODULE 0x4d525453 /* "STRM" */ | |
245 | |
246 #define NGX_STREAM_MAIN_CONF 0x02000000 | |
247 #define NGX_STREAM_SRV_CONF 0x04000000 | |
248 #define NGX_STREAM_UPS_CONF 0x08000000 | |
249 | |
250 | |
251 #define NGX_STREAM_MAIN_CONF_OFFSET offsetof(ngx_stream_conf_ctx_t, main_conf) | |
252 #define NGX_STREAM_SRV_CONF_OFFSET offsetof(ngx_stream_conf_ctx_t, srv_conf) | |
253 | |
254 | |
255 #define ngx_stream_get_module_ctx(s, module) (s)->ctx[module.ctx_index] | |
256 #define ngx_stream_set_ctx(s, c, module) s->ctx[module.ctx_index] = c; | |
257 #define ngx_stream_delete_ctx(s, module) s->ctx[module.ctx_index] = NULL; | |
258 | |
259 | |
260 #define ngx_stream_get_module_main_conf(s, module) \ | |
261 (s)->main_conf[module.ctx_index] | |
262 #define ngx_stream_get_module_srv_conf(s, module) \ | |
263 (s)->srv_conf[module.ctx_index] | |
264 | |
265 #define ngx_stream_conf_get_module_main_conf(cf, module) \ | |
266 ((ngx_stream_conf_ctx_t *) cf->ctx)->main_conf[module.ctx_index] | |
267 #define ngx_stream_conf_get_module_srv_conf(cf, module) \ | |
268 ((ngx_stream_conf_ctx_t *) cf->ctx)->srv_conf[module.ctx_index] | |
269 | |
270 #define ngx_stream_cycle_get_module_main_conf(cycle, module) \ | |
271 (cycle->conf_ctx[ngx_stream_module.index] ? \ | |
272 ((ngx_stream_conf_ctx_t *) cycle->conf_ctx[ngx_stream_module.index]) \ | |
273 ->main_conf[module.ctx_index]: \ | |
274 NULL) | |
275 | |
276 | |
6692 | 277 #define NGX_STREAM_WRITE_BUFFERED 0x10 |
278 | |
279 | |
6693 | 280 void ngx_stream_core_run_phases(ngx_stream_session_t *s); |
281 ngx_int_t ngx_stream_core_generic_phase(ngx_stream_session_t *s, | |
282 ngx_stream_phase_handler_t *ph); | |
6694 | 283 ngx_int_t ngx_stream_core_preread_phase(ngx_stream_session_t *s, |
284 ngx_stream_phase_handler_t *ph); | |
6693 | 285 ngx_int_t ngx_stream_core_content_phase(ngx_stream_session_t *s, |
286 ngx_stream_phase_handler_t *ph); | |
287 | |
288 | |
6115 | 289 void ngx_stream_init_connection(ngx_connection_t *c); |
6693 | 290 void ngx_stream_session_handler(ngx_event_t *rev); |
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Roman Arutyunyan <arut@nginx.com>
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291 void ngx_stream_finalize_session(ngx_stream_session_t *s, ngx_uint_t rc); |
6115 | 292 |
293 | |
294 extern ngx_module_t ngx_stream_module; | |
295 extern ngx_uint_t ngx_stream_max_module; | |
296 extern ngx_module_t ngx_stream_core_module; | |
297 | |
298 | |
6692 | 299 typedef ngx_int_t (*ngx_stream_filter_pt)(ngx_stream_session_t *s, |
300 ngx_chain_t *chain, ngx_uint_t from_upstream); | |
301 | |
302 | |
303 extern ngx_stream_filter_pt ngx_stream_top_filter; | |
304 | |
305 | |
6115 | 306 #endif /* _NGX_STREAM_H_INCLUDED_ */ |