Mercurial > hg > nginx-quic
annotate src/stream/ngx_stream.h @ 8594:fac88e160653 quic
Merged with the default branch.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Wed, 01 Sep 2021 10:57:25 +0300 |
parents | d514f88053e5 |
children |
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 | |
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19 #if (NGX_STREAM_QUIC) |
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20 #include <ngx_stream_quic_module.h> |
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21 #endif |
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22 |
6115 | 23 |
24 typedef struct ngx_stream_session_s ngx_stream_session_t; | |
25 | |
26 | |
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27 #include <ngx_stream_variables.h> |
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28 #include <ngx_stream_script.h> |
6115 | 29 #include <ngx_stream_upstream.h> |
30 #include <ngx_stream_upstream_round_robin.h> | |
31 | |
32 | |
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33 #define NGX_STREAM_OK 200 |
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34 #define NGX_STREAM_BAD_REQUEST 400 |
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35 #define NGX_STREAM_FORBIDDEN 403 |
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36 #define NGX_STREAM_INTERNAL_SERVER_ERROR 500 |
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37 #define NGX_STREAM_BAD_GATEWAY 502 |
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38 #define NGX_STREAM_SERVICE_UNAVAILABLE 503 |
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39 |
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40 |
6115 | 41 typedef struct { |
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42 void **main_conf; |
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43 void **srv_conf; |
6115 | 44 } ngx_stream_conf_ctx_t; |
45 | |
46 | |
47 typedef struct { | |
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48 struct sockaddr *sockaddr; |
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49 socklen_t socklen; |
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50 ngx_str_t addr_text; |
6115 | 51 |
52 /* server ctx */ | |
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53 ngx_stream_conf_ctx_t *ctx; |
6115 | 54 |
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55 unsigned bind:1; |
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56 unsigned wildcard:1; |
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57 unsigned ssl:1; |
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58 unsigned quic:1; |
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59 #if (NGX_HAVE_INET6) |
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60 unsigned ipv6only:1; |
6115 | 61 #endif |
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62 unsigned reuseport:1; |
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63 unsigned so_keepalive:2; |
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64 unsigned proxy_protocol:1; |
6115 | 65 #if (NGX_HAVE_KEEPALIVE_TUNABLE) |
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66 int tcp_keepidle; |
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67 int tcp_keepintvl; |
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68 int tcp_keepcnt; |
6115 | 69 #endif |
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70 int backlog; |
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71 int rcvbuf; |
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72 int sndbuf; |
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73 #if (NGX_HAVE_TCP_FASTOPEN) |
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74 int fastopen; |
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75 #endif |
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76 int type; |
6115 | 77 } ngx_stream_listen_t; |
78 | |
79 | |
80 typedef struct { | |
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81 ngx_stream_conf_ctx_t *ctx; |
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82 ngx_str_t addr_text; |
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83 unsigned ssl:1; |
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84 unsigned quic:1; |
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85 unsigned proxy_protocol:1; |
6115 | 86 } ngx_stream_addr_conf_t; |
87 | |
88 typedef struct { | |
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89 in_addr_t addr; |
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90 ngx_stream_addr_conf_t conf; |
6115 | 91 } ngx_stream_in_addr_t; |
92 | |
93 | |
94 #if (NGX_HAVE_INET6) | |
95 | |
96 typedef struct { | |
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97 struct in6_addr addr6; |
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98 ngx_stream_addr_conf_t conf; |
6115 | 99 } ngx_stream_in6_addr_t; |
100 | |
101 #endif | |
102 | |
103 | |
104 typedef struct { | |
105 /* ngx_stream_in_addr_t or ngx_stream_in6_addr_t */ | |
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106 void *addrs; |
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107 ngx_uint_t naddrs; |
6115 | 108 } ngx_stream_port_t; |
109 | |
110 | |
111 typedef struct { | |
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112 int family; |
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113 int type; |
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114 in_port_t port; |
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115 ngx_array_t addrs; /* array of ngx_stream_conf_addr_t */ |
6115 | 116 } ngx_stream_conf_port_t; |
117 | |
118 | |
119 typedef struct { | |
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120 ngx_stream_listen_t opt; |
6115 | 121 } ngx_stream_conf_addr_t; |
122 | |
123 | |
6693 | 124 typedef enum { |
125 NGX_STREAM_POST_ACCEPT_PHASE = 0, | |
126 NGX_STREAM_PREACCESS_PHASE, | |
127 NGX_STREAM_ACCESS_PHASE, | |
128 NGX_STREAM_SSL_PHASE, | |
6694 | 129 NGX_STREAM_PREREAD_PHASE, |
6693 | 130 NGX_STREAM_CONTENT_PHASE, |
131 NGX_STREAM_LOG_PHASE | |
132 } ngx_stream_phases; | |
133 | |
134 | |
135 typedef struct ngx_stream_phase_handler_s ngx_stream_phase_handler_t; | |
136 | |
137 typedef ngx_int_t (*ngx_stream_phase_handler_pt)(ngx_stream_session_t *s, | |
138 ngx_stream_phase_handler_t *ph); | |
139 typedef ngx_int_t (*ngx_stream_handler_pt)(ngx_stream_session_t *s); | |
140 typedef void (*ngx_stream_content_handler_pt)(ngx_stream_session_t *s); | |
141 | |
142 | |
143 struct ngx_stream_phase_handler_s { | |
144 ngx_stream_phase_handler_pt checker; | |
145 ngx_stream_handler_pt handler; | |
146 ngx_uint_t next; | |
147 }; | |
148 | |
149 | |
150 typedef struct { | |
151 ngx_stream_phase_handler_t *handlers; | |
152 } ngx_stream_phase_engine_t; | |
153 | |
154 | |
155 typedef struct { | |
156 ngx_array_t handlers; | |
157 } ngx_stream_phase_t; | |
6175 | 158 |
159 | |
6115 | 160 typedef struct { |
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161 ngx_array_t servers; /* ngx_stream_core_srv_conf_t */ |
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162 ngx_array_t listen; /* ngx_stream_listen_t */ |
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163 |
6693 | 164 ngx_stream_phase_engine_t phase_engine; |
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165 |
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166 ngx_hash_t variables_hash; |
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167 |
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168 ngx_array_t variables; /* ngx_stream_variable_t */ |
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169 ngx_array_t prefix_variables; /* ngx_stream_variable_t */ |
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170 ngx_uint_t ncaptures; |
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171 |
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172 ngx_uint_t variables_hash_max_size; |
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173 ngx_uint_t variables_hash_bucket_size; |
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174 |
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175 ngx_hash_keys_arrays_t *variables_keys; |
6693 | 176 |
177 ngx_stream_phase_t phases[NGX_STREAM_LOG_PHASE + 1]; | |
6115 | 178 } ngx_stream_core_main_conf_t; |
179 | |
180 | |
181 typedef struct { | |
6693 | 182 ngx_stream_content_handler_pt handler; |
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183 |
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184 ngx_stream_conf_ctx_t *ctx; |
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185 |
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186 u_char *file_name; |
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187 ngx_uint_t line; |
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188 |
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189 ngx_flag_t tcp_nodelay; |
6694 | 190 size_t preread_buffer_size; |
191 ngx_msec_t preread_timeout; | |
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192 |
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193 ngx_log_t *error_log; |
6618 | 194 |
195 ngx_msec_t resolver_timeout; | |
196 ngx_resolver_t *resolver; | |
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197 |
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198 ngx_msec_t proxy_protocol_timeout; |
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199 |
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200 ngx_uint_t listen; /* unsigned listen:1; */ |
6115 | 201 } ngx_stream_core_srv_conf_t; |
202 | |
203 | |
204 struct ngx_stream_session_s { | |
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205 uint32_t signature; /* "STRM" */ |
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206 |
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207 ngx_connection_t *connection; |
6115 | 208 |
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209 off_t received; |
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210 time_t start_sec; |
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211 ngx_msec_t start_msec; |
6115 | 212 |
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213 ngx_log_handler_pt log_handler; |
6115 | 214 |
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215 void **ctx; |
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216 void **main_conf; |
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217 void **srv_conf; |
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218 |
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219 ngx_stream_upstream_t *upstream; |
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220 ngx_array_t *upstream_states; |
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221 /* of ngx_stream_upstream_state_t */ |
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222 ngx_stream_variable_value_t *variables; |
6115 | 223 |
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224 #if (NGX_PCRE) |
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225 ngx_uint_t ncaptures; |
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226 int *captures; |
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227 u_char *captures_data; |
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228 #endif |
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229 |
6693 | 230 ngx_int_t phase_handler; |
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231 ngx_uint_t status; |
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232 |
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233 unsigned ssl:1; |
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234 |
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235 unsigned stat_processing:1; |
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236 |
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237 unsigned health_check:1; |
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238 |
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239 unsigned limit_conn_status:2; |
6115 | 240 }; |
241 | |
242 | |
243 typedef struct { | |
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244 ngx_int_t (*preconfiguration)(ngx_conf_t *cf); |
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245 ngx_int_t (*postconfiguration)(ngx_conf_t *cf); |
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246 |
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247 void *(*create_main_conf)(ngx_conf_t *cf); |
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248 char *(*init_main_conf)(ngx_conf_t *cf, void *conf); |
6115 | 249 |
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250 void *(*create_srv_conf)(ngx_conf_t *cf); |
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251 char *(*merge_srv_conf)(ngx_conf_t *cf, void *prev, |
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252 void *conf); |
6115 | 253 } ngx_stream_module_t; |
254 | |
255 | |
256 #define NGX_STREAM_MODULE 0x4d525453 /* "STRM" */ | |
257 | |
258 #define NGX_STREAM_MAIN_CONF 0x02000000 | |
259 #define NGX_STREAM_SRV_CONF 0x04000000 | |
260 #define NGX_STREAM_UPS_CONF 0x08000000 | |
261 | |
262 | |
263 #define NGX_STREAM_MAIN_CONF_OFFSET offsetof(ngx_stream_conf_ctx_t, main_conf) | |
264 #define NGX_STREAM_SRV_CONF_OFFSET offsetof(ngx_stream_conf_ctx_t, srv_conf) | |
265 | |
266 | |
267 #define ngx_stream_get_module_ctx(s, module) (s)->ctx[module.ctx_index] | |
268 #define ngx_stream_set_ctx(s, c, module) s->ctx[module.ctx_index] = c; | |
269 #define ngx_stream_delete_ctx(s, module) s->ctx[module.ctx_index] = NULL; | |
270 | |
271 | |
272 #define ngx_stream_get_module_main_conf(s, module) \ | |
273 (s)->main_conf[module.ctx_index] | |
274 #define ngx_stream_get_module_srv_conf(s, module) \ | |
275 (s)->srv_conf[module.ctx_index] | |
276 | |
277 #define ngx_stream_conf_get_module_main_conf(cf, module) \ | |
278 ((ngx_stream_conf_ctx_t *) cf->ctx)->main_conf[module.ctx_index] | |
279 #define ngx_stream_conf_get_module_srv_conf(cf, module) \ | |
280 ((ngx_stream_conf_ctx_t *) cf->ctx)->srv_conf[module.ctx_index] | |
281 | |
282 #define ngx_stream_cycle_get_module_main_conf(cycle, module) \ | |
283 (cycle->conf_ctx[ngx_stream_module.index] ? \ | |
284 ((ngx_stream_conf_ctx_t *) cycle->conf_ctx[ngx_stream_module.index]) \ | |
285 ->main_conf[module.ctx_index]: \ | |
286 NULL) | |
287 | |
288 | |
6692 | 289 #define NGX_STREAM_WRITE_BUFFERED 0x10 |
290 | |
291 | |
6693 | 292 void ngx_stream_core_run_phases(ngx_stream_session_t *s); |
293 ngx_int_t ngx_stream_core_generic_phase(ngx_stream_session_t *s, | |
294 ngx_stream_phase_handler_t *ph); | |
6694 | 295 ngx_int_t ngx_stream_core_preread_phase(ngx_stream_session_t *s, |
296 ngx_stream_phase_handler_t *ph); | |
6693 | 297 ngx_int_t ngx_stream_core_content_phase(ngx_stream_session_t *s, |
298 ngx_stream_phase_handler_t *ph); | |
299 | |
300 | |
6115 | 301 void ngx_stream_init_connection(ngx_connection_t *c); |
6693 | 302 void ngx_stream_session_handler(ngx_event_t *rev); |
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303 void ngx_stream_finalize_session(ngx_stream_session_t *s, ngx_uint_t rc); |
6115 | 304 |
305 | |
306 extern ngx_module_t ngx_stream_module; | |
307 extern ngx_uint_t ngx_stream_max_module; | |
308 extern ngx_module_t ngx_stream_core_module; | |
309 | |
310 | |
6692 | 311 typedef ngx_int_t (*ngx_stream_filter_pt)(ngx_stream_session_t *s, |
312 ngx_chain_t *chain, ngx_uint_t from_upstream); | |
313 | |
314 | |
315 extern ngx_stream_filter_pt ngx_stream_top_filter; | |
316 | |
317 | |
6115 | 318 #endif /* _NGX_STREAM_H_INCLUDED_ */ |