Mercurial > hg > nginx
annotate src/stream/ngx_stream.h @ 6436:8f038068f4bc
Stream: UDP proxy.
| author | Roman Arutyunyan <arut@nginx.com> |
|---|---|
| date | Wed, 20 Jan 2016 19:52:12 +0300 |
| parents | 7565e056fad6 |
| children | 6f8254ae61b8 |
| rev | line source |
|---|---|
| 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 | |
| 23 #include <ngx_stream_upstream.h> | |
| 24 #include <ngx_stream_upstream_round_robin.h> | |
| 25 | |
| 26 | |
| 27 typedef struct { | |
| 28 void **main_conf; | |
| 29 void **srv_conf; | |
| 30 } ngx_stream_conf_ctx_t; | |
| 31 | |
| 32 | |
| 33 typedef struct { | |
|
6170
c13091e6292c
Stream: embed ngx_stream_listen_t into ngx_stream_conf_addr_t.
Ruslan Ermilov <ru@nginx.com>
parents:
6169
diff
changeset
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34 union { |
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c13091e6292c
Stream: embed ngx_stream_listen_t into ngx_stream_conf_addr_t.
Ruslan Ermilov <ru@nginx.com>
parents:
6169
diff
changeset
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35 struct sockaddr sockaddr; |
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c13091e6292c
Stream: embed ngx_stream_listen_t into ngx_stream_conf_addr_t.
Ruslan Ermilov <ru@nginx.com>
parents:
6169
diff
changeset
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36 struct sockaddr_in sockaddr_in; |
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c13091e6292c
Stream: embed ngx_stream_listen_t into ngx_stream_conf_addr_t.
Ruslan Ermilov <ru@nginx.com>
parents:
6169
diff
changeset
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37 #if (NGX_HAVE_INET6) |
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c13091e6292c
Stream: embed ngx_stream_listen_t into ngx_stream_conf_addr_t.
Ruslan Ermilov <ru@nginx.com>
parents:
6169
diff
changeset
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38 struct sockaddr_in6 sockaddr_in6; |
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c13091e6292c
Stream: embed ngx_stream_listen_t into ngx_stream_conf_addr_t.
Ruslan Ermilov <ru@nginx.com>
parents:
6169
diff
changeset
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39 #endif |
|
c13091e6292c
Stream: embed ngx_stream_listen_t into ngx_stream_conf_addr_t.
Ruslan Ermilov <ru@nginx.com>
parents:
6169
diff
changeset
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40 #if (NGX_HAVE_UNIX_DOMAIN) |
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c13091e6292c
Stream: embed ngx_stream_listen_t into ngx_stream_conf_addr_t.
Ruslan Ermilov <ru@nginx.com>
parents:
6169
diff
changeset
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41 struct sockaddr_un sockaddr_un; |
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c13091e6292c
Stream: embed ngx_stream_listen_t into ngx_stream_conf_addr_t.
Ruslan Ermilov <ru@nginx.com>
parents:
6169
diff
changeset
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42 #endif |
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c13091e6292c
Stream: embed ngx_stream_listen_t into ngx_stream_conf_addr_t.
Ruslan Ermilov <ru@nginx.com>
parents:
6169
diff
changeset
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43 u_char sockaddr_data[NGX_SOCKADDRLEN]; |
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c13091e6292c
Stream: embed ngx_stream_listen_t into ngx_stream_conf_addr_t.
Ruslan Ermilov <ru@nginx.com>
parents:
6169
diff
changeset
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44 } u; |
|
c13091e6292c
Stream: embed ngx_stream_listen_t into ngx_stream_conf_addr_t.
Ruslan Ermilov <ru@nginx.com>
parents:
6169
diff
changeset
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45 |
| 6115 | 46 socklen_t socklen; |
| 47 | |
| 48 /* server ctx */ | |
| 49 ngx_stream_conf_ctx_t *ctx; | |
| 50 | |
| 51 unsigned bind:1; | |
| 52 unsigned wildcard:1; | |
| 53 #if (NGX_STREAM_SSL) | |
| 54 unsigned ssl:1; | |
| 55 #endif | |
| 56 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY) | |
| 57 unsigned ipv6only:1; | |
| 58 #endif | |
|
6153
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6129
diff
changeset
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59 #if (NGX_HAVE_REUSEPORT) |
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4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6129
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changeset
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60 unsigned reuseport:1; |
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4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6129
diff
changeset
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61 #endif |
| 6115 | 62 unsigned so_keepalive:2; |
| 63 #if (NGX_HAVE_KEEPALIVE_TUNABLE) | |
| 64 int tcp_keepidle; | |
| 65 int tcp_keepintvl; | |
| 66 int tcp_keepcnt; | |
| 67 #endif | |
| 6172 | 68 int backlog; |
| 6436 | 69 int type; |
| 6115 | 70 } ngx_stream_listen_t; |
| 71 | |
| 72 | |
| 73 typedef struct { | |
| 74 ngx_stream_conf_ctx_t *ctx; | |
| 75 ngx_str_t addr_text; | |
| 76 #if (NGX_STREAM_SSL) | |
| 77 ngx_uint_t ssl; /* unsigned ssl:1; */ | |
| 78 #endif | |
| 79 } ngx_stream_addr_conf_t; | |
| 80 | |
| 81 typedef struct { | |
| 82 in_addr_t addr; | |
| 83 ngx_stream_addr_conf_t conf; | |
| 84 } ngx_stream_in_addr_t; | |
| 85 | |
| 86 | |
| 87 #if (NGX_HAVE_INET6) | |
| 88 | |
| 89 typedef struct { | |
| 90 struct in6_addr addr6; | |
| 91 ngx_stream_addr_conf_t conf; | |
| 92 } ngx_stream_in6_addr_t; | |
| 93 | |
| 94 #endif | |
| 95 | |
| 96 | |
| 97 typedef struct { | |
| 98 /* ngx_stream_in_addr_t or ngx_stream_in6_addr_t */ | |
| 99 void *addrs; | |
| 100 ngx_uint_t naddrs; | |
| 101 } ngx_stream_port_t; | |
| 102 | |
| 103 | |
| 104 typedef struct { | |
| 105 int family; | |
| 6436 | 106 int type; |
| 6115 | 107 in_port_t port; |
| 108 ngx_array_t addrs; /* array of ngx_stream_conf_addr_t */ | |
| 109 } ngx_stream_conf_port_t; | |
| 110 | |
| 111 | |
| 112 typedef struct { | |
|
6170
c13091e6292c
Stream: embed ngx_stream_listen_t into ngx_stream_conf_addr_t.
Ruslan Ermilov <ru@nginx.com>
parents:
6169
diff
changeset
|
113 ngx_stream_listen_t opt; |
| 6115 | 114 } ngx_stream_conf_addr_t; |
| 115 | |
| 116 | |
| 6175 | 117 typedef ngx_int_t (*ngx_stream_access_pt)(ngx_stream_session_t *s); |
| 118 | |
| 119 | |
| 6115 | 120 typedef struct { |
| 121 ngx_array_t servers; /* ngx_stream_core_srv_conf_t */ | |
| 122 ngx_array_t listen; /* ngx_stream_listen_t */ | |
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6197
0dcef374b8bb
Stream: connection limiting module.
Vladimir Homutov <vl@nginx.com>
parents:
6175
diff
changeset
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123 ngx_stream_access_pt limit_conn_handler; |
| 6175 | 124 ngx_stream_access_pt access_handler; |
| 6115 | 125 } ngx_stream_core_main_conf_t; |
| 126 | |
| 127 | |
| 128 typedef void (*ngx_stream_handler_pt)(ngx_stream_session_t *s); | |
| 129 | |
| 130 | |
| 131 typedef struct { | |
| 132 ngx_stream_handler_pt handler; | |
| 133 ngx_stream_conf_ctx_t *ctx; | |
| 134 u_char *file_name; | |
| 135 ngx_int_t line; | |
| 136 ngx_log_t *error_log; | |
|
6221
7565e056fad6
Stream: the "tcp_nodelay" directive.
Vladimir Homutov <vl@nginx.com>
parents:
6197
diff
changeset
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137 ngx_flag_t tcp_nodelay; |
| 6115 | 138 } ngx_stream_core_srv_conf_t; |
| 139 | |
| 140 | |
| 141 struct ngx_stream_session_s { | |
| 142 uint32_t signature; /* "STRM" */ | |
| 143 | |
| 144 ngx_connection_t *connection; | |
| 145 | |
| 146 off_t received; | |
| 147 | |
| 148 ngx_log_handler_pt log_handler; | |
| 149 | |
| 150 void **ctx; | |
| 151 void **main_conf; | |
| 152 void **srv_conf; | |
| 153 | |
| 154 ngx_stream_upstream_t *upstream; | |
| 155 }; | |
| 156 | |
| 157 | |
| 158 typedef struct { | |
|
6174
68c106e6fa0a
Stream: added postconfiguration method to stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
6172
diff
changeset
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159 ngx_int_t (*postconfiguration)(ngx_conf_t *cf); |
|
68c106e6fa0a
Stream: added postconfiguration method to stream modules.
Vladimir Homutov <vl@nginx.com>
parents:
6172
diff
changeset
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160 |
| 6115 | 161 void *(*create_main_conf)(ngx_conf_t *cf); |
| 162 char *(*init_main_conf)(ngx_conf_t *cf, void *conf); | |
| 163 | |
| 164 void *(*create_srv_conf)(ngx_conf_t *cf); | |
| 165 char *(*merge_srv_conf)(ngx_conf_t *cf, void *prev, | |
| 166 void *conf); | |
| 167 } ngx_stream_module_t; | |
| 168 | |
| 169 | |
| 170 #define NGX_STREAM_MODULE 0x4d525453 /* "STRM" */ | |
| 171 | |
| 172 #define NGX_STREAM_MAIN_CONF 0x02000000 | |
| 173 #define NGX_STREAM_SRV_CONF 0x04000000 | |
| 174 #define NGX_STREAM_UPS_CONF 0x08000000 | |
| 175 | |
| 176 | |
| 177 #define NGX_STREAM_MAIN_CONF_OFFSET offsetof(ngx_stream_conf_ctx_t, main_conf) | |
| 178 #define NGX_STREAM_SRV_CONF_OFFSET offsetof(ngx_stream_conf_ctx_t, srv_conf) | |
| 179 | |
| 180 | |
| 181 #define ngx_stream_get_module_ctx(s, module) (s)->ctx[module.ctx_index] | |
| 182 #define ngx_stream_set_ctx(s, c, module) s->ctx[module.ctx_index] = c; | |
| 183 #define ngx_stream_delete_ctx(s, module) s->ctx[module.ctx_index] = NULL; | |
| 184 | |
| 185 | |
| 186 #define ngx_stream_get_module_main_conf(s, module) \ | |
| 187 (s)->main_conf[module.ctx_index] | |
| 188 #define ngx_stream_get_module_srv_conf(s, module) \ | |
| 189 (s)->srv_conf[module.ctx_index] | |
| 190 | |
| 191 #define ngx_stream_conf_get_module_main_conf(cf, module) \ | |
| 192 ((ngx_stream_conf_ctx_t *) cf->ctx)->main_conf[module.ctx_index] | |
| 193 #define ngx_stream_conf_get_module_srv_conf(cf, module) \ | |
| 194 ((ngx_stream_conf_ctx_t *) cf->ctx)->srv_conf[module.ctx_index] | |
| 195 | |
| 196 #define ngx_stream_cycle_get_module_main_conf(cycle, module) \ | |
| 197 (cycle->conf_ctx[ngx_stream_module.index] ? \ | |
| 198 ((ngx_stream_conf_ctx_t *) cycle->conf_ctx[ngx_stream_module.index]) \ | |
| 199 ->main_conf[module.ctx_index]: \ | |
| 200 NULL) | |
| 201 | |
| 202 | |
| 203 void ngx_stream_init_connection(ngx_connection_t *c); | |
| 204 void ngx_stream_close_connection(ngx_connection_t *c); | |
| 205 | |
| 206 | |
| 207 extern ngx_module_t ngx_stream_module; | |
| 208 extern ngx_uint_t ngx_stream_max_module; | |
| 209 extern ngx_module_t ngx_stream_core_module; | |
| 210 | |
| 211 | |
| 212 #endif /* _NGX_STREAM_H_INCLUDED_ */ |