Mercurial > hg > nginx
annotate src/stream/ngx_stream_core_module.c @ 6170:c13091e6292c
Stream: embed ngx_stream_listen_t into ngx_stream_conf_addr_t.
author | Ruslan Ermilov <ru@nginx.com> |
---|---|
date | Mon, 08 Jun 2015 23:11:42 +0300 |
parents | 4f6efabcb09b |
children | 3e8cddcff381 |
rev | line source |
---|---|
6115 | 1 |
2 /* | |
3 * Copyright (C) Roman Arutyunyan | |
4 * Copyright (C) Nginx, Inc. | |
5 */ | |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_stream.h> | |
11 | |
12 | |
13 static void *ngx_stream_core_create_main_conf(ngx_conf_t *cf); | |
14 static void *ngx_stream_core_create_srv_conf(ngx_conf_t *cf); | |
15 static char *ngx_stream_core_merge_srv_conf(ngx_conf_t *cf, void *parent, | |
16 void *child); | |
17 static char *ngx_stream_core_error_log(ngx_conf_t *cf, ngx_command_t *cmd, | |
18 void *conf); | |
19 static char *ngx_stream_core_server(ngx_conf_t *cf, ngx_command_t *cmd, | |
20 void *conf); | |
21 static char *ngx_stream_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, | |
22 void *conf); | |
23 | |
24 | |
25 static ngx_command_t ngx_stream_core_commands[] = { | |
26 | |
27 { ngx_string("server"), | |
28 NGX_STREAM_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS, | |
29 ngx_stream_core_server, | |
30 0, | |
31 0, | |
32 NULL }, | |
33 | |
34 { ngx_string("listen"), | |
35 NGX_STREAM_SRV_CONF|NGX_CONF_1MORE, | |
36 ngx_stream_core_listen, | |
37 NGX_STREAM_SRV_CONF_OFFSET, | |
38 0, | |
39 NULL }, | |
40 | |
41 { ngx_string("error_log"), | |
42 NGX_STREAM_MAIN_CONF|NGX_STREAM_SRV_CONF|NGX_CONF_1MORE, | |
43 ngx_stream_core_error_log, | |
44 NGX_STREAM_SRV_CONF_OFFSET, | |
45 0, | |
46 NULL }, | |
47 | |
48 ngx_null_command | |
49 }; | |
50 | |
51 | |
52 static ngx_stream_module_t ngx_stream_core_module_ctx = { | |
53 ngx_stream_core_create_main_conf, /* create main configuration */ | |
54 NULL, /* init main configuration */ | |
55 | |
56 ngx_stream_core_create_srv_conf, /* create server configuration */ | |
57 ngx_stream_core_merge_srv_conf /* merge server configuration */ | |
58 }; | |
59 | |
60 | |
61 ngx_module_t ngx_stream_core_module = { | |
62 NGX_MODULE_V1, | |
63 &ngx_stream_core_module_ctx, /* module context */ | |
64 ngx_stream_core_commands, /* module directives */ | |
65 NGX_STREAM_MODULE, /* module type */ | |
66 NULL, /* init master */ | |
67 NULL, /* init module */ | |
68 NULL, /* init process */ | |
69 NULL, /* init thread */ | |
70 NULL, /* exit thread */ | |
71 NULL, /* exit process */ | |
72 NULL, /* exit master */ | |
73 NGX_MODULE_V1_PADDING | |
74 }; | |
75 | |
76 | |
77 static void * | |
78 ngx_stream_core_create_main_conf(ngx_conf_t *cf) | |
79 { | |
80 ngx_stream_core_main_conf_t *cmcf; | |
81 | |
82 cmcf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_core_main_conf_t)); | |
83 if (cmcf == NULL) { | |
84 return NULL; | |
85 } | |
86 | |
87 if (ngx_array_init(&cmcf->servers, cf->pool, 4, | |
88 sizeof(ngx_stream_core_srv_conf_t *)) | |
89 != NGX_OK) | |
90 { | |
91 return NULL; | |
92 } | |
93 | |
94 if (ngx_array_init(&cmcf->listen, cf->pool, 4, sizeof(ngx_stream_listen_t)) | |
95 != NGX_OK) | |
96 { | |
97 return NULL; | |
98 } | |
99 | |
100 return cmcf; | |
101 } | |
102 | |
103 | |
104 static void * | |
105 ngx_stream_core_create_srv_conf(ngx_conf_t *cf) | |
106 { | |
107 ngx_stream_core_srv_conf_t *cscf; | |
108 | |
109 cscf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_core_srv_conf_t)); | |
110 if (cscf == NULL) { | |
111 return NULL; | |
112 } | |
113 | |
114 /* | |
115 * set by ngx_pcalloc(): | |
116 * | |
117 * cscf->handler = NULL; | |
118 * cscf->error_log = NULL; | |
119 */ | |
120 | |
121 cscf->file_name = cf->conf_file->file.name.data; | |
122 cscf->line = cf->conf_file->line; | |
123 | |
124 return cscf; | |
125 } | |
126 | |
127 | |
128 static char * | |
129 ngx_stream_core_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) | |
130 { | |
131 ngx_stream_core_srv_conf_t *prev = parent; | |
132 ngx_stream_core_srv_conf_t *conf = child; | |
133 | |
134 if (conf->handler == NULL) { | |
135 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
136 "no handler for server in %s:%ui", | |
137 conf->file_name, conf->line); | |
138 return NGX_CONF_ERROR; | |
139 } | |
140 | |
141 if (conf->error_log == NULL) { | |
142 if (prev->error_log) { | |
143 conf->error_log = prev->error_log; | |
144 } else { | |
145 conf->error_log = &cf->cycle->new_log; | |
146 } | |
147 } | |
148 | |
149 return NGX_CONF_OK; | |
150 } | |
151 | |
152 | |
153 static char * | |
154 ngx_stream_core_error_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
155 { | |
156 ngx_stream_core_srv_conf_t *cscf = conf; | |
157 | |
158 return ngx_log_set_log(cf, &cscf->error_log); | |
159 } | |
160 | |
161 | |
162 static char * | |
163 ngx_stream_core_server(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
164 { | |
165 char *rv; | |
166 void *mconf; | |
167 ngx_uint_t m; | |
168 ngx_conf_t pcf; | |
169 ngx_stream_module_t *module; | |
170 ngx_stream_conf_ctx_t *ctx, *stream_ctx; | |
171 ngx_stream_core_srv_conf_t *cscf, **cscfp; | |
172 ngx_stream_core_main_conf_t *cmcf; | |
173 | |
174 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_stream_conf_ctx_t)); | |
175 if (ctx == NULL) { | |
176 return NGX_CONF_ERROR; | |
177 } | |
178 | |
179 stream_ctx = cf->ctx; | |
180 ctx->main_conf = stream_ctx->main_conf; | |
181 | |
182 /* the server{}'s srv_conf */ | |
183 | |
184 ctx->srv_conf = ngx_pcalloc(cf->pool, | |
185 sizeof(void *) * ngx_stream_max_module); | |
186 if (ctx->srv_conf == NULL) { | |
187 return NGX_CONF_ERROR; | |
188 } | |
189 | |
190 for (m = 0; ngx_modules[m]; m++) { | |
191 if (ngx_modules[m]->type != NGX_STREAM_MODULE) { | |
192 continue; | |
193 } | |
194 | |
195 module = ngx_modules[m]->ctx; | |
196 | |
197 if (module->create_srv_conf) { | |
198 mconf = module->create_srv_conf(cf); | |
199 if (mconf == NULL) { | |
200 return NGX_CONF_ERROR; | |
201 } | |
202 | |
203 ctx->srv_conf[ngx_modules[m]->ctx_index] = mconf; | |
204 } | |
205 } | |
206 | |
207 /* the server configuration context */ | |
208 | |
209 cscf = ctx->srv_conf[ngx_stream_core_module.ctx_index]; | |
210 cscf->ctx = ctx; | |
211 | |
212 cmcf = ctx->main_conf[ngx_stream_core_module.ctx_index]; | |
213 | |
214 cscfp = ngx_array_push(&cmcf->servers); | |
215 if (cscfp == NULL) { | |
216 return NGX_CONF_ERROR; | |
217 } | |
218 | |
219 *cscfp = cscf; | |
220 | |
221 | |
222 /* parse inside server{} */ | |
223 | |
224 pcf = *cf; | |
225 cf->ctx = ctx; | |
226 cf->cmd_type = NGX_STREAM_SRV_CONF; | |
227 | |
228 rv = ngx_conf_parse(cf, NULL); | |
229 | |
230 *cf = pcf; | |
231 | |
232 return rv; | |
233 } | |
234 | |
235 | |
236 static char * | |
237 ngx_stream_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
238 { | |
239 size_t len, off; | |
240 in_port_t port; | |
241 ngx_str_t *value; | |
242 ngx_url_t u; | |
243 ngx_uint_t i; | |
244 struct sockaddr *sa; | |
245 struct sockaddr_in *sin; | |
246 ngx_stream_listen_t *ls; | |
247 ngx_stream_core_main_conf_t *cmcf; | |
248 #if (NGX_HAVE_INET6) | |
249 struct sockaddr_in6 *sin6; | |
250 #endif | |
251 | |
252 value = cf->args->elts; | |
253 | |
254 ngx_memzero(&u, sizeof(ngx_url_t)); | |
255 | |
256 u.url = value[1]; | |
257 u.listen = 1; | |
258 | |
259 if (ngx_parse_url(cf->pool, &u) != NGX_OK) { | |
260 if (u.err) { | |
261 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
262 "%s in \"%V\" of the \"listen\" directive", | |
263 u.err, &u.url); | |
264 } | |
265 | |
266 return NGX_CONF_ERROR; | |
267 } | |
268 | |
269 cmcf = ngx_stream_conf_get_module_main_conf(cf, ngx_stream_core_module); | |
270 | |
271 ls = cmcf->listen.elts; | |
272 | |
273 for (i = 0; i < cmcf->listen.nelts; i++) { | |
274 | |
6170
c13091e6292c
Stream: embed ngx_stream_listen_t into ngx_stream_conf_addr_t.
Ruslan Ermilov <ru@nginx.com>
parents:
6153
diff
changeset
|
275 sa = &ls[i].u.sockaddr; |
6115 | 276 |
277 if (sa->sa_family != u.family) { | |
278 continue; | |
279 } | |
280 | |
281 switch (sa->sa_family) { | |
282 | |
283 #if (NGX_HAVE_INET6) | |
284 case AF_INET6: | |
285 off = offsetof(struct sockaddr_in6, sin6_addr); | |
286 len = 16; | |
6170
c13091e6292c
Stream: embed ngx_stream_listen_t into ngx_stream_conf_addr_t.
Ruslan Ermilov <ru@nginx.com>
parents:
6153
diff
changeset
|
287 sin6 = &ls[i].u.sockaddr_in6; |
6115 | 288 port = sin6->sin6_port; |
289 break; | |
290 #endif | |
291 | |
292 #if (NGX_HAVE_UNIX_DOMAIN) | |
293 case AF_UNIX: | |
294 off = offsetof(struct sockaddr_un, sun_path); | |
295 len = sizeof(((struct sockaddr_un *) sa)->sun_path); | |
296 port = 0; | |
297 break; | |
298 #endif | |
299 | |
300 default: /* AF_INET */ | |
301 off = offsetof(struct sockaddr_in, sin_addr); | |
302 len = 4; | |
6170
c13091e6292c
Stream: embed ngx_stream_listen_t into ngx_stream_conf_addr_t.
Ruslan Ermilov <ru@nginx.com>
parents:
6153
diff
changeset
|
303 sin = &ls[i].u.sockaddr_in; |
6115 | 304 port = sin->sin_port; |
305 break; | |
306 } | |
307 | |
6170
c13091e6292c
Stream: embed ngx_stream_listen_t into ngx_stream_conf_addr_t.
Ruslan Ermilov <ru@nginx.com>
parents:
6153
diff
changeset
|
308 if (ngx_memcmp(ls[i].u.sockaddr_data + off, u.sockaddr + off, len) |
c13091e6292c
Stream: embed ngx_stream_listen_t into ngx_stream_conf_addr_t.
Ruslan Ermilov <ru@nginx.com>
parents:
6153
diff
changeset
|
309 != 0) |
c13091e6292c
Stream: embed ngx_stream_listen_t into ngx_stream_conf_addr_t.
Ruslan Ermilov <ru@nginx.com>
parents:
6153
diff
changeset
|
310 { |
6115 | 311 continue; |
312 } | |
313 | |
314 if (port != u.port) { | |
315 continue; | |
316 } | |
317 | |
318 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
319 "duplicate \"%V\" address and port pair", &u.url); | |
320 return NGX_CONF_ERROR; | |
321 } | |
322 | |
323 ls = ngx_array_push(&cmcf->listen); | |
324 if (ls == NULL) { | |
325 return NGX_CONF_ERROR; | |
326 } | |
327 | |
328 ngx_memzero(ls, sizeof(ngx_stream_listen_t)); | |
329 | |
6170
c13091e6292c
Stream: embed ngx_stream_listen_t into ngx_stream_conf_addr_t.
Ruslan Ermilov <ru@nginx.com>
parents:
6153
diff
changeset
|
330 ngx_memcpy(&ls->u.sockaddr, u.sockaddr, u.socklen); |
6115 | 331 |
332 ls->socklen = u.socklen; | |
333 ls->wildcard = u.wildcard; | |
334 ls->ctx = cf->ctx; | |
335 | |
336 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY) | |
337 ls->ipv6only = 1; | |
338 #endif | |
339 | |
340 for (i = 2; i < cf->args->nelts; i++) { | |
341 | |
342 if (ngx_strcmp(value[i].data, "bind") == 0) { | |
343 ls->bind = 1; | |
344 continue; | |
345 } | |
346 | |
347 if (ngx_strncmp(value[i].data, "ipv6only=o", 10) == 0) { | |
348 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY) | |
349 struct sockaddr *sa; | |
350 u_char buf[NGX_SOCKADDR_STRLEN]; | |
351 | |
6170
c13091e6292c
Stream: embed ngx_stream_listen_t into ngx_stream_conf_addr_t.
Ruslan Ermilov <ru@nginx.com>
parents:
6153
diff
changeset
|
352 sa = &ls->u.sockaddr; |
6115 | 353 |
354 if (sa->sa_family == AF_INET6) { | |
355 | |
356 if (ngx_strcmp(&value[i].data[10], "n") == 0) { | |
357 ls->ipv6only = 1; | |
358 | |
359 } else if (ngx_strcmp(&value[i].data[10], "ff") == 0) { | |
360 ls->ipv6only = 0; | |
361 | |
362 } else { | |
363 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
364 "invalid ipv6only flags \"%s\"", | |
365 &value[i].data[9]); | |
366 return NGX_CONF_ERROR; | |
367 } | |
368 | |
369 ls->bind = 1; | |
370 | |
371 } else { | |
372 len = ngx_sock_ntop(sa, ls->socklen, buf, | |
373 NGX_SOCKADDR_STRLEN, 1); | |
374 | |
375 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
376 "ipv6only is not supported " | |
377 "on addr \"%*s\", ignored", len, buf); | |
378 } | |
379 | |
380 continue; | |
381 #else | |
382 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
383 "bind ipv6only is not supported " | |
384 "on this platform"); | |
385 return NGX_CONF_ERROR; | |
386 #endif | |
387 } | |
388 | |
6153
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6115
diff
changeset
|
389 if (ngx_strcmp(value[i].data, "reuseport") == 0) { |
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6115
diff
changeset
|
390 #if (NGX_HAVE_REUSEPORT) |
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6115
diff
changeset
|
391 ls->reuseport = 1; |
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6115
diff
changeset
|
392 ls->bind = 1; |
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6115
diff
changeset
|
393 #else |
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6115
diff
changeset
|
394 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6115
diff
changeset
|
395 "reuseport is not supported " |
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6115
diff
changeset
|
396 "on this platform, ignored"); |
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6115
diff
changeset
|
397 #endif |
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6115
diff
changeset
|
398 continue; |
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6115
diff
changeset
|
399 } |
4f6efabcb09b
The "reuseport" option of the "listen" directive.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6115
diff
changeset
|
400 |
6115 | 401 if (ngx_strcmp(value[i].data, "ssl") == 0) { |
402 #if (NGX_STREAM_SSL) | |
403 ls->ssl = 1; | |
404 continue; | |
405 #else | |
406 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
407 "the \"ssl\" parameter requires " | |
408 "ngx_stream_ssl_module"); | |
409 return NGX_CONF_ERROR; | |
410 #endif | |
411 } | |
412 | |
413 if (ngx_strncmp(value[i].data, "so_keepalive=", 13) == 0) { | |
414 | |
415 if (ngx_strcmp(&value[i].data[13], "on") == 0) { | |
416 ls->so_keepalive = 1; | |
417 | |
418 } else if (ngx_strcmp(&value[i].data[13], "off") == 0) { | |
419 ls->so_keepalive = 2; | |
420 | |
421 } else { | |
422 | |
423 #if (NGX_HAVE_KEEPALIVE_TUNABLE) | |
424 u_char *p, *end; | |
425 ngx_str_t s; | |
426 | |
427 end = value[i].data + value[i].len; | |
428 s.data = value[i].data + 13; | |
429 | |
430 p = ngx_strlchr(s.data, end, ':'); | |
431 if (p == NULL) { | |
432 p = end; | |
433 } | |
434 | |
435 if (p > s.data) { | |
436 s.len = p - s.data; | |
437 | |
438 ls->tcp_keepidle = ngx_parse_time(&s, 1); | |
439 if (ls->tcp_keepidle == (time_t) NGX_ERROR) { | |
440 goto invalid_so_keepalive; | |
441 } | |
442 } | |
443 | |
444 s.data = (p < end) ? (p + 1) : end; | |
445 | |
446 p = ngx_strlchr(s.data, end, ':'); | |
447 if (p == NULL) { | |
448 p = end; | |
449 } | |
450 | |
451 if (p > s.data) { | |
452 s.len = p - s.data; | |
453 | |
454 ls->tcp_keepintvl = ngx_parse_time(&s, 1); | |
455 if (ls->tcp_keepintvl == (time_t) NGX_ERROR) { | |
456 goto invalid_so_keepalive; | |
457 } | |
458 } | |
459 | |
460 s.data = (p < end) ? (p + 1) : end; | |
461 | |
462 if (s.data < end) { | |
463 s.len = end - s.data; | |
464 | |
465 ls->tcp_keepcnt = ngx_atoi(s.data, s.len); | |
466 if (ls->tcp_keepcnt == NGX_ERROR) { | |
467 goto invalid_so_keepalive; | |
468 } | |
469 } | |
470 | |
471 if (ls->tcp_keepidle == 0 && ls->tcp_keepintvl == 0 | |
472 && ls->tcp_keepcnt == 0) | |
473 { | |
474 goto invalid_so_keepalive; | |
475 } | |
476 | |
477 ls->so_keepalive = 1; | |
478 | |
479 #else | |
480 | |
481 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
482 "the \"so_keepalive\" parameter accepts " | |
483 "only \"on\" or \"off\" on this platform"); | |
484 return NGX_CONF_ERROR; | |
485 | |
486 #endif | |
487 } | |
488 | |
489 ls->bind = 1; | |
490 | |
491 continue; | |
492 | |
493 #if (NGX_HAVE_KEEPALIVE_TUNABLE) | |
494 invalid_so_keepalive: | |
495 | |
496 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
497 "invalid so_keepalive value: \"%s\"", | |
498 &value[i].data[13]); | |
499 return NGX_CONF_ERROR; | |
500 #endif | |
501 } | |
502 | |
503 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
504 "the invalid \"%V\" parameter", &value[i]); | |
505 return NGX_CONF_ERROR; | |
506 } | |
507 | |
508 return NGX_CONF_OK; | |
509 } |