Mercurial > hg > nginx-quic
annotate src/stream/ngx_stream.h @ 7162:8b84d60ef13d
Fixed "changing binary" when reaper is not init.
On some systems, it's possible that reaper of orphaned processes is
set to something other than "init" process. On such systems, the
changing binary procedure did not work.
The fix is to check if PPID has changed, instead of assuming it's
always 1 for orphaned processes.
author | Ruslan Ermilov <ru@nginx.com> |
---|---|
date | Tue, 28 Nov 2017 12:00:24 +0300 |
parents | d7ce41bdf050 |
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 |
6693 | 220 ngx_int_t phase_handler; |
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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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224 |
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Modules compatibility: status fields.
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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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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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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_ */ |