Mercurial > hg > nginx-quic
annotate src/stream/ngx_stream.h @ 6733:adc2414856b1
Modules compatibility: compatibility with NGX_THREADS.
With this change it is now possible to load modules compiled without
the "--with-threads" configure option into nginx binary compiled with it,
and vice versa (if a module does not use thread-specific functions),
assuming both use the "--with-compat" option.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Mon, 10 Oct 2016 18:44:17 +0300 |
parents | 9170240f1241 |
children | f41c2530dd17 |
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; |
6115 | 52 #if (NGX_STREAM_SSL) |
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53 unsigned ssl:1; |
6115 | 54 #endif |
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55 #if (NGX_HAVE_INET6) |
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56 unsigned ipv6only:1; |
6115 | 57 #endif |
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58 unsigned reuseport:1; |
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59 unsigned so_keepalive:2; |
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60 unsigned proxy_protocol:1; |
6115 | 61 #if (NGX_HAVE_KEEPALIVE_TUNABLE) |
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62 int tcp_keepidle; |
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63 int tcp_keepintvl; |
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64 int tcp_keepcnt; |
6115 | 65 #endif |
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66 int backlog; |
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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; |
6115 | 74 #if (NGX_STREAM_SSL) |
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75 unsigned ssl:1; |
6115 | 76 #endif |
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77 unsigned proxy_protocol:1; |
6115 | 78 } ngx_stream_addr_conf_t; |
79 | |
80 typedef struct { | |
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81 in_addr_t addr; |
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82 ngx_stream_addr_conf_t conf; |
6115 | 83 } ngx_stream_in_addr_t; |
84 | |
85 | |
86 #if (NGX_HAVE_INET6) | |
87 | |
88 typedef struct { | |
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89 struct in6_addr addr6; |
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90 ngx_stream_addr_conf_t conf; |
6115 | 91 } ngx_stream_in6_addr_t; |
92 | |
93 #endif | |
94 | |
95 | |
96 typedef struct { | |
97 /* ngx_stream_in_addr_t or ngx_stream_in6_addr_t */ | |
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98 void *addrs; |
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99 ngx_uint_t naddrs; |
6115 | 100 } ngx_stream_port_t; |
101 | |
102 | |
103 typedef struct { | |
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104 int family; |
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105 int type; |
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106 in_port_t port; |
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107 ngx_array_t addrs; /* array of ngx_stream_conf_addr_t */ |
6115 | 108 } ngx_stream_conf_port_t; |
109 | |
110 | |
111 typedef struct { | |
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112 ngx_stream_listen_t opt; |
6115 | 113 } ngx_stream_conf_addr_t; |
114 | |
115 | |
6693 | 116 typedef enum { |
117 NGX_STREAM_POST_ACCEPT_PHASE = 0, | |
118 NGX_STREAM_PREACCESS_PHASE, | |
119 NGX_STREAM_ACCESS_PHASE, | |
120 #if (NGX_STREAM_SSL) | |
121 NGX_STREAM_SSL_PHASE, | |
122 #endif | |
6694 | 123 NGX_STREAM_PREREAD_PHASE, |
6693 | 124 NGX_STREAM_CONTENT_PHASE, |
125 NGX_STREAM_LOG_PHASE | |
126 } ngx_stream_phases; | |
127 | |
128 | |
129 typedef struct ngx_stream_phase_handler_s ngx_stream_phase_handler_t; | |
130 | |
131 typedef ngx_int_t (*ngx_stream_phase_handler_pt)(ngx_stream_session_t *s, | |
132 ngx_stream_phase_handler_t *ph); | |
133 typedef ngx_int_t (*ngx_stream_handler_pt)(ngx_stream_session_t *s); | |
134 typedef void (*ngx_stream_content_handler_pt)(ngx_stream_session_t *s); | |
135 | |
136 | |
137 struct ngx_stream_phase_handler_s { | |
138 ngx_stream_phase_handler_pt checker; | |
139 ngx_stream_handler_pt handler; | |
140 ngx_uint_t next; | |
141 }; | |
142 | |
143 | |
144 typedef struct { | |
145 ngx_stream_phase_handler_t *handlers; | |
146 } ngx_stream_phase_engine_t; | |
147 | |
148 | |
149 typedef struct { | |
150 ngx_array_t handlers; | |
151 } ngx_stream_phase_t; | |
6175 | 152 |
153 | |
6115 | 154 typedef struct { |
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155 ngx_array_t servers; /* ngx_stream_core_srv_conf_t */ |
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156 ngx_array_t listen; /* ngx_stream_listen_t */ |
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157 |
6693 | 158 ngx_stream_phase_engine_t phase_engine; |
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159 |
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160 ngx_hash_t variables_hash; |
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161 |
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162 ngx_array_t variables; /* ngx_stream_variable_t */ |
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163 ngx_uint_t ncaptures; |
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164 |
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165 ngx_uint_t variables_hash_max_size; |
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166 ngx_uint_t variables_hash_bucket_size; |
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167 |
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168 ngx_hash_keys_arrays_t *variables_keys; |
6693 | 169 |
170 ngx_stream_phase_t phases[NGX_STREAM_LOG_PHASE + 1]; | |
6115 | 171 } ngx_stream_core_main_conf_t; |
172 | |
173 | |
174 typedef struct { | |
6693 | 175 ngx_stream_content_handler_pt handler; |
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176 |
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177 ngx_stream_conf_ctx_t *ctx; |
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178 |
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179 u_char *file_name; |
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180 ngx_uint_t line; |
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181 |
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182 ngx_flag_t tcp_nodelay; |
6694 | 183 size_t preread_buffer_size; |
184 ngx_msec_t preread_timeout; | |
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185 |
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186 ngx_log_t *error_log; |
6618 | 187 |
188 ngx_msec_t resolver_timeout; | |
189 ngx_resolver_t *resolver; | |
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190 |
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191 ngx_msec_t proxy_protocol_timeout; |
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192 |
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193 ngx_uint_t listen; /* unsigned listen:1; */ |
6115 | 194 } ngx_stream_core_srv_conf_t; |
195 | |
196 | |
197 struct ngx_stream_session_s { | |
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198 uint32_t signature; /* "STRM" */ |
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199 |
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200 ngx_connection_t *connection; |
6115 | 201 |
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202 off_t received; |
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203 time_t start_sec; |
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204 ngx_msec_t start_msec; |
6115 | 205 |
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206 ngx_log_handler_pt log_handler; |
6115 | 207 |
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208 void **ctx; |
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209 void **main_conf; |
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210 void **srv_conf; |
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211 |
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212 ngx_stream_upstream_t *upstream; |
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213 ngx_array_t *upstream_states; |
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214 /* of ngx_stream_upstream_state_t */ |
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215 ngx_stream_variable_value_t *variables; |
6115 | 216 |
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217 #if (NGX_PCRE) |
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218 ngx_uint_t ncaptures; |
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219 int *captures; |
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220 u_char *captures_data; |
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221 #endif |
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222 |
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224 ngx_uint_t status; |
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225 |
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226 #if (NGX_STREAM_SSL) |
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227 unsigned ssl:1; |
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228 #endif |
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229 |
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230 unsigned stat_processing:1; |
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231 |
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232 unsigned health_check:1; |
6115 | 233 }; |
234 | |
235 | |
236 typedef struct { | |
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237 ngx_int_t (*preconfiguration)(ngx_conf_t *cf); |
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238 ngx_int_t (*postconfiguration)(ngx_conf_t *cf); |
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239 |
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240 void *(*create_main_conf)(ngx_conf_t *cf); |
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241 char *(*init_main_conf)(ngx_conf_t *cf, void *conf); |
6115 | 242 |
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243 void *(*create_srv_conf)(ngx_conf_t *cf); |
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244 char *(*merge_srv_conf)(ngx_conf_t *cf, void *prev, |
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245 void *conf); |
6115 | 246 } ngx_stream_module_t; |
247 | |
248 | |
249 #define NGX_STREAM_MODULE 0x4d525453 /* "STRM" */ | |
250 | |
251 #define NGX_STREAM_MAIN_CONF 0x02000000 | |
252 #define NGX_STREAM_SRV_CONF 0x04000000 | |
253 #define NGX_STREAM_UPS_CONF 0x08000000 | |
254 | |
255 | |
256 #define NGX_STREAM_MAIN_CONF_OFFSET offsetof(ngx_stream_conf_ctx_t, main_conf) | |
257 #define NGX_STREAM_SRV_CONF_OFFSET offsetof(ngx_stream_conf_ctx_t, srv_conf) | |
258 | |
259 | |
260 #define ngx_stream_get_module_ctx(s, module) (s)->ctx[module.ctx_index] | |
261 #define ngx_stream_set_ctx(s, c, module) s->ctx[module.ctx_index] = c; | |
262 #define ngx_stream_delete_ctx(s, module) s->ctx[module.ctx_index] = NULL; | |
263 | |
264 | |
265 #define ngx_stream_get_module_main_conf(s, module) \ | |
266 (s)->main_conf[module.ctx_index] | |
267 #define ngx_stream_get_module_srv_conf(s, module) \ | |
268 (s)->srv_conf[module.ctx_index] | |
269 | |
270 #define ngx_stream_conf_get_module_main_conf(cf, module) \ | |
271 ((ngx_stream_conf_ctx_t *) cf->ctx)->main_conf[module.ctx_index] | |
272 #define ngx_stream_conf_get_module_srv_conf(cf, module) \ | |
273 ((ngx_stream_conf_ctx_t *) cf->ctx)->srv_conf[module.ctx_index] | |
274 | |
275 #define ngx_stream_cycle_get_module_main_conf(cycle, module) \ | |
276 (cycle->conf_ctx[ngx_stream_module.index] ? \ | |
277 ((ngx_stream_conf_ctx_t *) cycle->conf_ctx[ngx_stream_module.index]) \ | |
278 ->main_conf[module.ctx_index]: \ | |
279 NULL) | |
280 | |
281 | |
6692 | 282 #define NGX_STREAM_WRITE_BUFFERED 0x10 |
283 | |
284 | |
6693 | 285 void ngx_stream_core_run_phases(ngx_stream_session_t *s); |
286 ngx_int_t ngx_stream_core_generic_phase(ngx_stream_session_t *s, | |
287 ngx_stream_phase_handler_t *ph); | |
6694 | 288 ngx_int_t ngx_stream_core_preread_phase(ngx_stream_session_t *s, |
289 ngx_stream_phase_handler_t *ph); | |
6693 | 290 ngx_int_t ngx_stream_core_content_phase(ngx_stream_session_t *s, |
291 ngx_stream_phase_handler_t *ph); | |
292 | |
293 | |
6115 | 294 void ngx_stream_init_connection(ngx_connection_t *c); |
6693 | 295 void ngx_stream_session_handler(ngx_event_t *rev); |
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296 void ngx_stream_finalize_session(ngx_stream_session_t *s, ngx_uint_t rc); |
6115 | 297 |
298 | |
299 extern ngx_module_t ngx_stream_module; | |
300 extern ngx_uint_t ngx_stream_max_module; | |
301 extern ngx_module_t ngx_stream_core_module; | |
302 | |
303 | |
6692 | 304 typedef ngx_int_t (*ngx_stream_filter_pt)(ngx_stream_session_t *s, |
305 ngx_chain_t *chain, ngx_uint_t from_upstream); | |
306 | |
307 | |
308 extern ngx_stream_filter_pt ngx_stream_top_filter; | |
309 | |
310 | |
6115 | 311 #endif /* _NGX_STREAM_H_INCLUDED_ */ |