|
0
|
1
|
|
|
2 /*
|
|
|
3 * Copyright (C) Igor Sysoev
|
|
|
4 */
|
|
|
5
|
|
|
6
|
|
|
7 #include <ngx_config.h>
|
|
|
8 #include <ngx_core.h>
|
|
|
9 #include <ngx_event.h>
|
|
|
10
|
|
|
11
|
|
154
|
12 static void ngx_destroy_cycle_pools(ngx_conf_t *conf);
|
|
28
|
13 static ngx_int_t ngx_cmp_sockaddr(struct sockaddr *sa1, struct sockaddr *sa2);
|
|
480
|
14 static ngx_int_t ngx_init_zone_pool(ngx_cycle_t *cycle,
|
|
|
15 ngx_shm_zone_t *shm_zone);
|
|
|
16 static ngx_int_t ngx_test_lockfile(u_char *file, ngx_log_t *log);
|
|
0
|
17 static void ngx_clean_old_cycles(ngx_event_t *ev);
|
|
|
18
|
|
|
19
|
|
|
20 volatile ngx_cycle_t *ngx_cycle;
|
|
|
21 ngx_array_t ngx_old_cycles;
|
|
|
22
|
|
|
23 static ngx_pool_t *ngx_temp_pool;
|
|
|
24 static ngx_event_t ngx_cleaner_event;
|
|
|
25
|
|
|
26 ngx_uint_t ngx_test_config;
|
|
|
27
|
|
|
28 #if (NGX_THREADS)
|
|
|
29 ngx_tls_key_t ngx_core_tls_key;
|
|
|
30 #endif
|
|
|
31
|
|
|
32
|
|
|
33 /* STUB NAME */
|
|
|
34 static ngx_connection_t dumb;
|
|
|
35 /* STUB */
|
|
|
36
|
|
|
37 static ngx_str_t error_log = ngx_string(NGX_ERROR_LOG_PATH);
|
|
|
38
|
|
|
39
|
|
112
|
40 ngx_cycle_t *
|
|
|
41 ngx_init_cycle(ngx_cycle_t *old_cycle)
|
|
0
|
42 {
|
|
356
|
43 void *rv;
|
|
|
44 char **senv, **env;
|
|
|
45 ngx_uint_t i, n;
|
|
|
46 ngx_log_t *log;
|
|
404
|
47 ngx_time_t *tp;
|
|
356
|
48 ngx_conf_t conf;
|
|
|
49 ngx_pool_t *pool;
|
|
|
50 ngx_cycle_t *cycle, **old;
|
|
|
51 ngx_shm_zone_t *shm_zone, *oshm_zone;
|
|
|
52 ngx_list_part_t *part, *opart;
|
|
|
53 ngx_open_file_t *file;
|
|
|
54 ngx_listening_t *ls, *nls;
|
|
|
55 ngx_core_conf_t *ccf, *old_ccf;
|
|
|
56 ngx_core_module_t *module;
|
|
376
|
57 char hostname[NGX_MAXHOSTNAMELEN];
|
|
0
|
58
|
|
404
|
59 ngx_timezone_update();
|
|
|
60
|
|
|
61 /* force localtime update with a new timezone */
|
|
|
62
|
|
|
63 tp = ngx_timeofday();
|
|
|
64 tp->sec = 0;
|
|
|
65
|
|
|
66 ngx_time_update(0, 0);
|
|
|
67
|
|
|
68
|
|
0
|
69 log = old_cycle->log;
|
|
|
70
|
|
56
|
71 pool = ngx_create_pool(NGX_CYCLE_POOL_SIZE, log);
|
|
50
|
72 if (pool == NULL) {
|
|
0
|
73 return NULL;
|
|
|
74 }
|
|
|
75 pool->log = log;
|
|
|
76
|
|
50
|
77 cycle = ngx_pcalloc(pool, sizeof(ngx_cycle_t));
|
|
|
78 if (cycle == NULL) {
|
|
0
|
79 ngx_destroy_pool(pool);
|
|
|
80 return NULL;
|
|
|
81 }
|
|
50
|
82
|
|
0
|
83 cycle->pool = pool;
|
|
|
84 cycle->log = log;
|
|
|
85 cycle->old_cycle = old_cycle;
|
|
|
86
|
|
482
|
87 cycle->conf_prefix.len = old_cycle->conf_prefix.len;
|
|
|
88 cycle->conf_prefix.data = ngx_pstrdup(pool, &old_cycle->conf_prefix);
|
|
|
89 if (cycle->conf_prefix.data == NULL) {
|
|
|
90 ngx_destroy_pool(pool);
|
|
|
91 return NULL;
|
|
|
92 }
|
|
|
93
|
|
|
94 cycle->prefix.len = old_cycle->prefix.len;
|
|
|
95 cycle->prefix.data = ngx_pstrdup(pool, &old_cycle->prefix);
|
|
|
96 if (cycle->prefix.data == NULL) {
|
|
|
97 ngx_destroy_pool(pool);
|
|
|
98 return NULL;
|
|
|
99 }
|
|
0
|
100
|
|
154
|
101 cycle->conf_file.len = old_cycle->conf_file.len;
|
|
382
|
102 cycle->conf_file.data = ngx_pnalloc(pool, old_cycle->conf_file.len + 1);
|
|
154
|
103 if (cycle->conf_file.data == NULL) {
|
|
|
104 ngx_destroy_pool(pool);
|
|
|
105 return NULL;
|
|
|
106 }
|
|
|
107 ngx_cpystrn(cycle->conf_file.data, old_cycle->conf_file.data,
|
|
|
108 old_cycle->conf_file.len + 1);
|
|
|
109
|
|
384
|
110 cycle->conf_param.len = old_cycle->conf_param.len;
|
|
482
|
111 cycle->conf_param.data = ngx_pstrdup(pool, &old_cycle->conf_param);
|
|
384
|
112 if (cycle->conf_param.data == NULL) {
|
|
|
113 ngx_destroy_pool(pool);
|
|
|
114 return NULL;
|
|
|
115 }
|
|
|
116
|
|
|
117
|
|
0
|
118 n = old_cycle->pathes.nelts ? old_cycle->pathes.nelts : 10;
|
|
50
|
119
|
|
|
120 cycle->pathes.elts = ngx_pcalloc(pool, n * sizeof(ngx_path_t *));
|
|
|
121 if (cycle->pathes.elts == NULL) {
|
|
0
|
122 ngx_destroy_pool(pool);
|
|
|
123 return NULL;
|
|
|
124 }
|
|
50
|
125
|
|
0
|
126 cycle->pathes.nelts = 0;
|
|
|
127 cycle->pathes.size = sizeof(ngx_path_t *);
|
|
|
128 cycle->pathes.nalloc = n;
|
|
|
129 cycle->pathes.pool = pool;
|
|
|
130
|
|
|
131
|
|
|
132 if (old_cycle->open_files.part.nelts) {
|
|
|
133 n = old_cycle->open_files.part.nelts;
|
|
|
134 for (part = old_cycle->open_files.part.next; part; part = part->next) {
|
|
|
135 n += part->nelts;
|
|
|
136 }
|
|
|
137
|
|
|
138 } else {
|
|
|
139 n = 20;
|
|
|
140 }
|
|
|
141
|
|
|
142 if (ngx_list_init(&cycle->open_files, pool, n, sizeof(ngx_open_file_t))
|
|
454
|
143 != NGX_OK)
|
|
0
|
144 {
|
|
|
145 ngx_destroy_pool(pool);
|
|
|
146 return NULL;
|
|
|
147 }
|
|
|
148
|
|
|
149
|
|
258
|
150 if (old_cycle->shared_memory.part.nelts) {
|
|
|
151 n = old_cycle->shared_memory.part.nelts;
|
|
|
152 for (part = old_cycle->shared_memory.part.next; part; part = part->next)
|
|
|
153 {
|
|
|
154 n += part->nelts;
|
|
|
155 }
|
|
|
156
|
|
|
157 } else {
|
|
|
158 n = 1;
|
|
|
159 }
|
|
|
160
|
|
|
161 if (ngx_list_init(&cycle->shared_memory, pool, n, sizeof(ngx_shm_zone_t))
|
|
454
|
162 != NGX_OK)
|
|
258
|
163 {
|
|
|
164 ngx_destroy_pool(pool);
|
|
|
165 return NULL;
|
|
|
166 }
|
|
|
167
|
|
|
168
|
|
482
|
169 cycle->new_log = ngx_log_create_errlog(cycle, &error_log);
|
|
50
|
170 if (cycle->new_log == NULL) {
|
|
0
|
171 ngx_destroy_pool(pool);
|
|
|
172 return NULL;
|
|
|
173 }
|
|
|
174
|
|
|
175
|
|
|
176 n = old_cycle->listening.nelts ? old_cycle->listening.nelts : 10;
|
|
50
|
177
|
|
0
|
178 cycle->listening.elts = ngx_pcalloc(pool, n * sizeof(ngx_listening_t));
|
|
|
179 if (cycle->listening.elts == NULL) {
|
|
|
180 ngx_destroy_pool(pool);
|
|
|
181 return NULL;
|
|
|
182 }
|
|
50
|
183
|
|
0
|
184 cycle->listening.nelts = 0;
|
|
|
185 cycle->listening.size = sizeof(ngx_listening_t);
|
|
|
186 cycle->listening.nalloc = n;
|
|
|
187 cycle->listening.pool = pool;
|
|
|
188
|
|
|
189
|
|
|
190 cycle->conf_ctx = ngx_pcalloc(pool, ngx_max_module * sizeof(void *));
|
|
|
191 if (cycle->conf_ctx == NULL) {
|
|
|
192 ngx_destroy_pool(pool);
|
|
|
193 return NULL;
|
|
|
194 }
|
|
|
195
|
|
|
196
|
|
376
|
197 if (gethostname(hostname, NGX_MAXHOSTNAMELEN) == -1) {
|
|
|
198 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "gethostname() failed");
|
|
|
199 ngx_destroy_pool(pool);
|
|
|
200 return NULL;
|
|
|
201 }
|
|
|
202
|
|
|
203 /* on Linux gethostname() silently truncates name that does not fit */
|
|
|
204
|
|
|
205 hostname[NGX_MAXHOSTNAMELEN - 1] = '\0';
|
|
|
206 cycle->hostname.len = ngx_strlen(hostname);
|
|
|
207
|
|
382
|
208 cycle->hostname.data = ngx_pnalloc(pool, cycle->hostname.len);
|
|
376
|
209 if (cycle->hostname.data == NULL) {
|
|
|
210 ngx_destroy_pool(pool);
|
|
|
211 return NULL;
|
|
|
212 }
|
|
|
213
|
|
|
214 ngx_memcpy(cycle->hostname.data, hostname, cycle->hostname.len);
|
|
|
215
|
|
|
216
|
|
0
|
217 for (i = 0; ngx_modules[i]; i++) {
|
|
|
218 if (ngx_modules[i]->type != NGX_CORE_MODULE) {
|
|
|
219 continue;
|
|
|
220 }
|
|
|
221
|
|
|
222 module = ngx_modules[i]->ctx;
|
|
|
223
|
|
|
224 if (module->create_conf) {
|
|
|
225 rv = module->create_conf(cycle);
|
|
|
226 if (rv == NGX_CONF_ERROR) {
|
|
|
227 ngx_destroy_pool(pool);
|
|
|
228 return NULL;
|
|
|
229 }
|
|
|
230 cycle->conf_ctx[ngx_modules[i]->index] = rv;
|
|
|
231 }
|
|
|
232 }
|
|
|
233
|
|
|
234
|
|
356
|
235 senv = environ;
|
|
|
236
|
|
|
237
|
|
0
|
238 ngx_memzero(&conf, sizeof(ngx_conf_t));
|
|
|
239 /* STUB: init array ? */
|
|
50
|
240 conf.args = ngx_array_create(pool, 10, sizeof(ngx_str_t));
|
|
0
|
241 if (conf.args == NULL) {
|
|
|
242 ngx_destroy_pool(pool);
|
|
|
243 return NULL;
|
|
|
244 }
|
|
|
245
|
|
142
|
246 conf.temp_pool = ngx_create_pool(NGX_CYCLE_POOL_SIZE, log);
|
|
|
247 if (conf.temp_pool == NULL) {
|
|
|
248 ngx_destroy_pool(pool);
|
|
|
249 return NULL;
|
|
|
250 }
|
|
|
251
|
|
154
|
252
|
|
0
|
253 conf.ctx = cycle->conf_ctx;
|
|
|
254 conf.cycle = cycle;
|
|
|
255 conf.pool = pool;
|
|
|
256 conf.log = log;
|
|
|
257 conf.module_type = NGX_CORE_MODULE;
|
|
|
258 conf.cmd_type = NGX_MAIN_CONF;
|
|
|
259
|
|
4
|
260 #if 0
|
|
|
261 log->log_level = NGX_LOG_DEBUG_ALL;
|
|
|
262 #endif
|
|
0
|
263
|
|
384
|
264 if (ngx_conf_param(&conf) != NGX_CONF_OK) {
|
|
|
265 ngx_destroy_cycle_pools(&conf);
|
|
|
266 return NULL;
|
|
|
267 }
|
|
|
268
|
|
0
|
269 if (ngx_conf_parse(&conf, &cycle->conf_file) != NGX_CONF_OK) {
|
|
154
|
270 ngx_destroy_cycle_pools(&conf);
|
|
0
|
271 return NULL;
|
|
|
272 }
|
|
|
273
|
|
|
274 if (ngx_test_config) {
|
|
482
|
275 ngx_log_stderr(0, "the configuration file %s syntax is ok",
|
|
480
|
276 cycle->conf_file.data);
|
|
0
|
277 }
|
|
|
278
|
|
|
279
|
|
|
280 for (i = 0; ngx_modules[i]; i++) {
|
|
|
281 if (ngx_modules[i]->type != NGX_CORE_MODULE) {
|
|
|
282 continue;
|
|
|
283 }
|
|
|
284
|
|
|
285 module = ngx_modules[i]->ctx;
|
|
|
286
|
|
|
287 if (module->init_conf) {
|
|
|
288 if (module->init_conf(cycle, cycle->conf_ctx[ngx_modules[i]->index])
|
|
142
|
289 == NGX_CONF_ERROR)
|
|
0
|
290 {
|
|
154
|
291 ngx_destroy_cycle_pools(&conf);
|
|
0
|
292 return NULL;
|
|
|
293 }
|
|
|
294 }
|
|
|
295 }
|
|
|
296
|
|
|
297
|
|
160
|
298 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
0
|
299
|
|
160
|
300 if (ngx_test_config) {
|
|
|
301
|
|
|
302 if (ngx_create_pidfile(&ccf->pid, log) != NGX_OK) {
|
|
|
303 goto failed;
|
|
|
304 }
|
|
|
305
|
|
|
306 } else if (!ngx_is_init_cycle(old_cycle)) {
|
|
|
307
|
|
|
308 /*
|
|
|
309 * we do not create the pid file in the first ngx_init_cycle() call
|
|
|
310 * because we need to write the demonized process pid
|
|
|
311 */
|
|
|
312
|
|
|
313 old_ccf = (ngx_core_conf_t *) ngx_get_conf(old_cycle->conf_ctx,
|
|
|
314 ngx_core_module);
|
|
|
315 if (ccf->pid.len != old_ccf->pid.len
|
|
|
316 || ngx_strcmp(ccf->pid.data, old_ccf->pid.data) != 0)
|
|
|
317 {
|
|
|
318 /* new pid file name */
|
|
|
319
|
|
|
320 if (ngx_create_pidfile(&ccf->pid, log) != NGX_OK) {
|
|
|
321 goto failed;
|
|
|
322 }
|
|
|
323
|
|
|
324 ngx_delete_pidfile(old_cycle);
|
|
|
325 }
|
|
0
|
326 }
|
|
160
|
327
|
|
0
|
328
|
|
258
|
329 if (ngx_test_lockfile(cycle->lock_file.data, log) != NGX_OK) {
|
|
160
|
330 goto failed;
|
|
|
331 }
|
|
16
|
332
|
|
160
|
333
|
|
|
334 if (ngx_create_pathes(cycle, ccf->user) != NGX_OK) {
|
|
|
335 goto failed;
|
|
16
|
336 }
|
|
|
337
|
|
|
338
|
|
160
|
339 /* open the new files */
|
|
0
|
340
|
|
160
|
341 part = &cycle->open_files.part;
|
|
|
342 file = part->elts;
|
|
0
|
343
|
|
160
|
344 for (i = 0; /* void */ ; i++) {
|
|
0
|
345
|
|
160
|
346 if (i >= part->nelts) {
|
|
|
347 if (part->next == NULL) {
|
|
0
|
348 break;
|
|
|
349 }
|
|
160
|
350 part = part->next;
|
|
|
351 file = part->elts;
|
|
|
352 i = 0;
|
|
|
353 }
|
|
|
354
|
|
482
|
355 if (file[i].name.len == 0) {
|
|
160
|
356 continue;
|
|
|
357 }
|
|
|
358
|
|
470
|
359 file[i].fd = ngx_open_file(file[i].name.data,
|
|
|
360 NGX_FILE_APPEND,
|
|
|
361 NGX_FILE_CREATE_OR_OPEN,
|
|
276
|
362 NGX_FILE_DEFAULT_ACCESS);
|
|
160
|
363
|
|
|
364 ngx_log_debug3(NGX_LOG_DEBUG_CORE, log, 0,
|
|
|
365 "log: %p %d \"%s\"",
|
|
|
366 &file[i], file[i].fd, file[i].name.data);
|
|
|
367
|
|
|
368 if (file[i].fd == NGX_INVALID_FILE) {
|
|
|
369 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
370 ngx_open_file_n " \"%s\" failed",
|
|
|
371 file[i].name.data);
|
|
|
372 goto failed;
|
|
|
373 }
|
|
0
|
374
|
|
478
|
375 #if !(NGX_WIN32)
|
|
160
|
376 if (fcntl(file[i].fd, F_SETFD, FD_CLOEXEC) == -1) {
|
|
|
377 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
378 "fcntl(FD_CLOEXEC) \"%s\" failed",
|
|
|
379 file[i].name.data);
|
|
|
380 goto failed;
|
|
|
381 }
|
|
0
|
382 #endif
|
|
|
383 }
|
|
|
384
|
|
|
385 cycle->log = cycle->new_log;
|
|
|
386 pool->log = cycle->new_log;
|
|
|
387
|
|
440
|
388 if (cycle->log->log_level == 0) {
|
|
|
389 cycle->log->log_level = NGX_LOG_ERR;
|
|
|
390 }
|
|
|
391
|
|
10
|
392
|
|
258
|
393 /* create shared memory */
|
|
|
394
|
|
|
395 part = &cycle->shared_memory.part;
|
|
272
|
396 shm_zone = part->elts;
|
|
258
|
397
|
|
|
398 for (i = 0; /* void */ ; i++) {
|
|
|
399
|
|
|
400 if (i >= part->nelts) {
|
|
|
401 if (part->next == NULL) {
|
|
|
402 break;
|
|
|
403 }
|
|
|
404 part = part->next;
|
|
272
|
405 shm_zone = part->elts;
|
|
258
|
406 i = 0;
|
|
|
407 }
|
|
|
408
|
|
272
|
409 if (shm_zone[i].shm.size == 0) {
|
|
|
410 ngx_log_error(NGX_LOG_EMERG, log, 0,
|
|
|
411 "zero size shared memory zone \"%V\"",
|
|
480
|
412 &shm_zone[i].shm.name);
|
|
272
|
413 goto failed;
|
|
|
414 }
|
|
|
415
|
|
274
|
416 if (shm_zone[i].init == NULL) {
|
|
|
417 /* unused shared zone */
|
|
|
418 continue;
|
|
|
419 }
|
|
|
420
|
|
272
|
421 shm_zone[i].shm.log = cycle->log;
|
|
258
|
422
|
|
|
423 opart = &old_cycle->shared_memory.part;
|
|
272
|
424 oshm_zone = opart->elts;
|
|
258
|
425
|
|
|
426 for (n = 0; /* void */ ; n++) {
|
|
|
427
|
|
|
428 if (n >= opart->nelts) {
|
|
|
429 if (opart->next == NULL) {
|
|
|
430 break;
|
|
|
431 }
|
|
|
432 opart = opart->next;
|
|
272
|
433 oshm_zone = opart->elts;
|
|
258
|
434 n = 0;
|
|
|
435 }
|
|
|
436
|
|
480
|
437 if (shm_zone[i].shm.name.len != oshm_zone[n].shm.name.len) {
|
|
272
|
438 continue;
|
|
|
439 }
|
|
|
440
|
|
480
|
441 if (ngx_strncmp(shm_zone[i].shm.name.data,
|
|
|
442 oshm_zone[n].shm.name.data,
|
|
|
443 shm_zone[i].shm.name.len)
|
|
272
|
444 != 0)
|
|
|
445 {
|
|
258
|
446 continue;
|
|
|
447 }
|
|
|
448
|
|
272
|
449 if (shm_zone[i].shm.size == oshm_zone[n].shm.size) {
|
|
|
450 shm_zone[i].shm.addr = oshm_zone[n].shm.addr;
|
|
|
451
|
|
|
452 if (shm_zone[i].init(&shm_zone[i], oshm_zone[n].data)
|
|
|
453 != NGX_OK)
|
|
|
454 {
|
|
|
455 goto failed;
|
|
|
456 }
|
|
|
457
|
|
|
458 goto shm_zone_found;
|
|
258
|
459 }
|
|
|
460
|
|
272
|
461 ngx_shm_free(&oshm_zone[n].shm);
|
|
258
|
462
|
|
|
463 break;
|
|
|
464 }
|
|
|
465
|
|
272
|
466 if (ngx_shm_alloc(&shm_zone[i].shm) != NGX_OK) {
|
|
258
|
467 goto failed;
|
|
|
468 }
|
|
|
469
|
|
480
|
470 if (!shm_zone[i].shm.exists) {
|
|
258
|
471
|
|
482
|
472 if (ngx_init_zone_pool(cycle, &shm_zone[i]) != NGX_OK) {
|
|
|
473 goto failed;
|
|
|
474 }
|
|
258
|
475 }
|
|
|
476
|
|
272
|
477 if (shm_zone[i].init(&shm_zone[i], NULL) != NGX_OK) {
|
|
|
478 goto failed;
|
|
|
479 }
|
|
|
480
|
|
|
481 shm_zone_found:
|
|
258
|
482
|
|
|
483 continue;
|
|
|
484 }
|
|
|
485
|
|
|
486
|
|
160
|
487 /* handle the listening sockets */
|
|
10
|
488
|
|
160
|
489 if (old_cycle->listening.nelts) {
|
|
|
490 ls = old_cycle->listening.elts;
|
|
|
491 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
|
492 ls[i].remain = 0;
|
|
|
493 }
|
|
0
|
494
|
|
160
|
495 nls = cycle->listening.elts;
|
|
|
496 for (n = 0; n < cycle->listening.nelts; n++) {
|
|
10
|
497
|
|
160
|
498 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
|
499 if (ls[i].ignore) {
|
|
|
500 continue;
|
|
|
501 }
|
|
0
|
502
|
|
160
|
503 if (ngx_cmp_sockaddr(nls[n].sockaddr, ls[i].sockaddr) == NGX_OK)
|
|
|
504 {
|
|
|
505 nls[n].fd = ls[i].fd;
|
|
|
506 nls[n].previous = &ls[i];
|
|
|
507 ls[i].remain = 1;
|
|
72
|
508
|
|
160
|
509 if (ls[n].backlog != nls[i].backlog) {
|
|
|
510 nls[n].listen = 1;
|
|
|
511 }
|
|
86
|
512
|
|
72
|
513 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
|
|
|
514
|
|
160
|
515 /*
|
|
|
516 * FreeBSD, except the most recent versions,
|
|
|
517 * could not remove accept filter
|
|
|
518 */
|
|
|
519 nls[n].deferred_accept = ls[i].deferred_accept;
|
|
72
|
520
|
|
160
|
521 if (ls[i].accept_filter && nls[n].accept_filter) {
|
|
|
522 if (ngx_strcmp(ls[i].accept_filter,
|
|
|
523 nls[n].accept_filter)
|
|
|
524 != 0)
|
|
|
525 {
|
|
72
|
526 nls[n].delete_deferred = 1;
|
|
|
527 nls[n].add_deferred = 1;
|
|
|
528 }
|
|
160
|
529
|
|
|
530 } else if (ls[i].accept_filter) {
|
|
|
531 nls[n].delete_deferred = 1;
|
|
|
532
|
|
|
533 } else if (nls[n].accept_filter) {
|
|
|
534 nls[n].add_deferred = 1;
|
|
|
535 }
|
|
72
|
536 #endif
|
|
|
537
|
|
|
538 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
|
|
|
539
|
|
160
|
540 if (ls[n].deferred_accept && !nls[n].deferred_accept) {
|
|
|
541 nls[n].delete_deferred = 1;
|
|
72
|
542
|
|
160
|
543 } else if (ls[i].deferred_accept != nls[n].deferred_accept)
|
|
|
544 {
|
|
|
545 nls[n].add_deferred = 1;
|
|
|
546 }
|
|
72
|
547 #endif
|
|
160
|
548 break;
|
|
0
|
549 }
|
|
|
550 }
|
|
|
551
|
|
160
|
552 if (nls[n].fd == -1) {
|
|
|
553 nls[n].open = 1;
|
|
0
|
554 }
|
|
|
555 }
|
|
|
556
|
|
160
|
557 } else {
|
|
|
558 ls = cycle->listening.elts;
|
|
|
559 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
|
560 ls[i].open = 1;
|
|
|
561 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
|
|
|
562 if (ls[i].accept_filter) {
|
|
|
563 ls[i].add_deferred = 1;
|
|
0
|
564 }
|
|
160
|
565 #endif
|
|
|
566 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
|
|
|
567 if (ls[i].deferred_accept) {
|
|
|
568 ls[i].add_deferred = 1;
|
|
72
|
569 }
|
|
160
|
570 #endif
|
|
0
|
571 }
|
|
|
572 }
|
|
|
573
|
|
482
|
574 if (ngx_process != NGX_PROCESS_SIGNALLER) {
|
|
|
575 if (ngx_open_listening_sockets(cycle) != NGX_OK) {
|
|
|
576 goto failed;
|
|
|
577 }
|
|
0
|
578
|
|
482
|
579 if (!ngx_test_config) {
|
|
|
580 ngx_configure_listening_socket(cycle);
|
|
|
581 }
|
|
0
|
582 }
|
|
|
583
|
|
|
584
|
|
|
585 /* commit the new cycle configuration */
|
|
|
586
|
|
482
|
587 if (!ngx_use_stderr && cycle->log->file->fd != ngx_stderr) {
|
|
0
|
588
|
|
482
|
589 if (ngx_set_stderr(cycle->log->file->fd) == NGX_FILE_ERROR) {
|
|
|
590 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
591 ngx_set_stderr_n " failed");
|
|
0
|
592 }
|
|
|
593 }
|
|
|
594
|
|
|
595 pool->log = cycle->log;
|
|
|
596
|
|
|
597 for (i = 0; ngx_modules[i]; i++) {
|
|
|
598 if (ngx_modules[i]->init_module) {
|
|
160
|
599 if (ngx_modules[i]->init_module(cycle) != NGX_OK) {
|
|
0
|
600 /* fatal */
|
|
|
601 exit(1);
|
|
|
602 }
|
|
|
603 }
|
|
|
604 }
|
|
|
605
|
|
16
|
606
|
|
0
|
607 /* close and delete stuff that lefts from an old cycle */
|
|
|
608
|
|
272
|
609 /* free the unnecessary shared memory */
|
|
|
610
|
|
|
611 opart = &old_cycle->shared_memory.part;
|
|
|
612 oshm_zone = opart->elts;
|
|
|
613
|
|
|
614 for (i = 0; /* void */ ; i++) {
|
|
|
615
|
|
|
616 if (i >= opart->nelts) {
|
|
|
617 if (opart->next == NULL) {
|
|
|
618 goto old_shm_zone_done;
|
|
|
619 }
|
|
|
620 opart = opart->next;
|
|
|
621 oshm_zone = opart->elts;
|
|
|
622 i = 0;
|
|
|
623 }
|
|
|
624
|
|
|
625 part = &cycle->shared_memory.part;
|
|
|
626 shm_zone = part->elts;
|
|
|
627
|
|
|
628 for (n = 0; /* void */ ; n++) {
|
|
|
629
|
|
|
630 if (n >= part->nelts) {
|
|
|
631 if (part->next == NULL) {
|
|
|
632 break;
|
|
|
633 }
|
|
|
634 part = part->next;
|
|
|
635 shm_zone = part->elts;
|
|
|
636 n = 0;
|
|
|
637 }
|
|
|
638
|
|
480
|
639 if (oshm_zone[i].shm.name.len == shm_zone[n].shm.name.len
|
|
|
640 && ngx_strncmp(oshm_zone[i].shm.name.data,
|
|
|
641 shm_zone[n].shm.name.data,
|
|
|
642 oshm_zone[i].shm.name.len)
|
|
272
|
643 == 0)
|
|
|
644 {
|
|
|
645 goto live_shm_zone;
|
|
|
646 }
|
|
|
647 }
|
|
|
648
|
|
|
649 ngx_shm_free(&oshm_zone[i].shm);
|
|
|
650
|
|
|
651 live_shm_zone:
|
|
|
652
|
|
|
653 continue;
|
|
|
654 }
|
|
|
655
|
|
|
656 old_shm_zone_done:
|
|
|
657
|
|
|
658
|
|
|
659 /* close the unnecessary listening sockets */
|
|
0
|
660
|
|
|
661 ls = old_cycle->listening.elts;
|
|
|
662 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
|
663 if (ls[i].remain) {
|
|
|
664 continue;
|
|
|
665 }
|
|
|
666
|
|
|
667 if (ngx_close_socket(ls[i].fd) == -1) {
|
|
|
668 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
|
|
92
|
669 ngx_close_socket_n " listening socket on %V failed",
|
|
10
|
670 &ls[i].addr_text);
|
|
0
|
671 }
|
|
|
672 }
|
|
|
673
|
|
|
674
|
|
272
|
675 /* close the unnecessary open files */
|
|
0
|
676
|
|
|
677 part = &old_cycle->open_files.part;
|
|
|
678 file = part->elts;
|
|
|
679
|
|
|
680 for (i = 0; /* void */ ; i++) {
|
|
|
681
|
|
|
682 if (i >= part->nelts) {
|
|
|
683 if (part->next == NULL) {
|
|
|
684 break;
|
|
|
685 }
|
|
|
686 part = part->next;
|
|
|
687 file = part->elts;
|
|
|
688 i = 0;
|
|
|
689 }
|
|
|
690
|
|
482
|
691 if (file[i].fd == NGX_INVALID_FILE || file[i].fd == ngx_stderr) {
|
|
0
|
692 continue;
|
|
|
693 }
|
|
|
694
|
|
|
695 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
696 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
697 ngx_close_file_n " \"%s\" failed",
|
|
|
698 file[i].name.data);
|
|
|
699 }
|
|
|
700 }
|
|
|
701
|
|
142
|
702 ngx_destroy_pool(conf.temp_pool);
|
|
|
703
|
|
154
|
704 if (ngx_process == NGX_PROCESS_MASTER || ngx_is_init_cycle(old_cycle)) {
|
|
|
705
|
|
356
|
706 /*
|
|
|
707 * perl_destruct() frees environ if it is not the same as it was at
|
|
|
708 * perl_construct() time. So we have saved an previous cycle
|
|
|
709 * environment before ngx_conf_parse() where it will be changed.
|
|
|
710 */
|
|
|
711
|
|
|
712 env = environ;
|
|
|
713 environ = senv;
|
|
|
714
|
|
0
|
715 ngx_destroy_pool(old_cycle->pool);
|
|
160
|
716 cycle->old_cycle = NULL;
|
|
|
717
|
|
356
|
718 environ = env;
|
|
|
719
|
|
0
|
720 return cycle;
|
|
|
721 }
|
|
|
722
|
|
|
723
|
|
|
724 if (ngx_temp_pool == NULL) {
|
|
|
725 ngx_temp_pool = ngx_create_pool(128, cycle->log);
|
|
|
726 if (ngx_temp_pool == NULL) {
|
|
|
727 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
728 "can not create ngx_temp_pool");
|
|
|
729 exit(1);
|
|
|
730 }
|
|
|
731
|
|
|
732 n = 10;
|
|
|
733 ngx_old_cycles.elts = ngx_pcalloc(ngx_temp_pool,
|
|
|
734 n * sizeof(ngx_cycle_t *));
|
|
|
735 if (ngx_old_cycles.elts == NULL) {
|
|
|
736 exit(1);
|
|
|
737 }
|
|
|
738 ngx_old_cycles.nelts = 0;
|
|
|
739 ngx_old_cycles.size = sizeof(ngx_cycle_t *);
|
|
|
740 ngx_old_cycles.nalloc = n;
|
|
|
741 ngx_old_cycles.pool = ngx_temp_pool;
|
|
|
742
|
|
58
|
743 ngx_cleaner_event.handler = ngx_clean_old_cycles;
|
|
0
|
744 ngx_cleaner_event.log = cycle->log;
|
|
|
745 ngx_cleaner_event.data = &dumb;
|
|
|
746 dumb.fd = (ngx_socket_t) -1;
|
|
|
747 }
|
|
|
748
|
|
|
749 ngx_temp_pool->log = cycle->log;
|
|
|
750
|
|
50
|
751 old = ngx_array_push(&ngx_old_cycles);
|
|
0
|
752 if (old == NULL) {
|
|
|
753 exit(1);
|
|
|
754 }
|
|
|
755 *old = old_cycle;
|
|
|
756
|
|
|
757 if (!ngx_cleaner_event.timer_set) {
|
|
|
758 ngx_add_timer(&ngx_cleaner_event, 30000);
|
|
|
759 ngx_cleaner_event.timer_set = 1;
|
|
|
760 }
|
|
|
761
|
|
|
762 return cycle;
|
|
160
|
763
|
|
|
764
|
|
|
765 failed:
|
|
|
766
|
|
296
|
767 if (!ngx_is_init_cycle(old_cycle)) {
|
|
|
768 old_ccf = (ngx_core_conf_t *) ngx_get_conf(old_cycle->conf_ctx,
|
|
|
769 ngx_core_module);
|
|
|
770 if (old_ccf->environment) {
|
|
|
771 environ = old_ccf->environment;
|
|
|
772 }
|
|
|
773 }
|
|
|
774
|
|
160
|
775 /* rollback the new cycle configuration */
|
|
|
776
|
|
|
777 part = &cycle->open_files.part;
|
|
|
778 file = part->elts;
|
|
|
779
|
|
|
780 for (i = 0; /* void */ ; i++) {
|
|
|
781
|
|
|
782 if (i >= part->nelts) {
|
|
|
783 if (part->next == NULL) {
|
|
|
784 break;
|
|
|
785 }
|
|
|
786 part = part->next;
|
|
|
787 file = part->elts;
|
|
|
788 i = 0;
|
|
|
789 }
|
|
|
790
|
|
482
|
791 if (file[i].fd == NGX_INVALID_FILE || file[i].fd == ngx_stderr) {
|
|
160
|
792 continue;
|
|
|
793 }
|
|
|
794
|
|
|
795 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
796 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
797 ngx_close_file_n " \"%s\" failed",
|
|
|
798 file[i].name.data);
|
|
|
799 }
|
|
|
800 }
|
|
|
801
|
|
|
802 if (ngx_test_config) {
|
|
|
803 ngx_destroy_cycle_pools(&conf);
|
|
|
804 return NULL;
|
|
|
805 }
|
|
|
806
|
|
|
807 ls = cycle->listening.elts;
|
|
|
808 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
|
809 if (ls[i].fd == -1 || !ls[i].open) {
|
|
|
810 continue;
|
|
|
811 }
|
|
|
812
|
|
|
813 if (ngx_close_socket(ls[i].fd) == -1) {
|
|
|
814 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
|
|
|
815 ngx_close_socket_n " %V failed",
|
|
|
816 &ls[i].addr_text);
|
|
|
817 }
|
|
|
818 }
|
|
|
819
|
|
|
820 ngx_destroy_cycle_pools(&conf);
|
|
|
821
|
|
|
822 return NULL;
|
|
0
|
823 }
|
|
|
824
|
|
|
825
|
|
154
|
826 static void
|
|
|
827 ngx_destroy_cycle_pools(ngx_conf_t *conf)
|
|
|
828 {
|
|
|
829 ngx_destroy_pool(conf->temp_pool);
|
|
|
830 ngx_destroy_pool(conf->pool);
|
|
|
831 }
|
|
|
832
|
|
|
833
|
|
112
|
834 static ngx_int_t
|
|
|
835 ngx_cmp_sockaddr(struct sockaddr *sa1, struct sockaddr *sa2)
|
|
10
|
836 {
|
|
448
|
837 struct sockaddr_in *sin1, *sin2;
|
|
|
838 #if (NGX_HAVE_INET6)
|
|
|
839 struct sockaddr_in6 *sin61, *sin62;
|
|
|
840 #endif
|
|
10
|
841
|
|
448
|
842 if (sa1->sa_family != sa2->sa_family) {
|
|
10
|
843 return NGX_DECLINED;
|
|
|
844 }
|
|
|
845
|
|
448
|
846 switch (sa1->sa_family) {
|
|
|
847
|
|
|
848 #if (NGX_HAVE_INET6)
|
|
|
849 case AF_INET6:
|
|
|
850 sin61 = (struct sockaddr_in6 *) sa1;
|
|
|
851 sin62 = (struct sockaddr_in6 *) sa2;
|
|
|
852
|
|
|
853 if (sin61->sin6_port != sin61->sin6_port) {
|
|
|
854 return NGX_DECLINED;
|
|
|
855 }
|
|
|
856
|
|
|
857 if (ngx_memcmp(&sin61->sin6_addr, &sin62->sin6_addr, 16) != 0) {
|
|
|
858 return NGX_DECLINED;
|
|
|
859 }
|
|
10
|
860
|
|
448
|
861 break;
|
|
|
862 #endif
|
|
|
863
|
|
|
864 default: /* AF_INET */
|
|
|
865
|
|
|
866 sin1 = (struct sockaddr_in *) sa1;
|
|
|
867 sin2 = (struct sockaddr_in *) sa2;
|
|
10
|
868
|
|
448
|
869 if (sin1->sin_port != sin2->sin_port) {
|
|
|
870 return NGX_DECLINED;
|
|
|
871 }
|
|
|
872
|
|
|
873 if (sin1->sin_addr.s_addr != sin2->sin_addr.s_addr) {
|
|
|
874 return NGX_DECLINED;
|
|
|
875 }
|
|
|
876
|
|
|
877 break;
|
|
10
|
878 }
|
|
|
879
|
|
|
880 return NGX_OK;
|
|
|
881 }
|
|
|
882
|
|
|
883
|
|
480
|
884 static ngx_int_t
|
|
|
885 ngx_init_zone_pool(ngx_cycle_t *cycle, ngx_shm_zone_t *zn)
|
|
|
886 {
|
|
|
887 u_char *file;
|
|
|
888 ngx_slab_pool_t *sp;
|
|
|
889
|
|
|
890 sp = (ngx_slab_pool_t *) zn->shm.addr;
|
|
|
891
|
|
|
892 sp->end = zn->shm.addr + zn->shm.size;
|
|
|
893 sp->min_shift = 3;
|
|
|
894
|
|
|
895 #if (NGX_HAVE_ATOMIC_OPS)
|
|
|
896
|
|
|
897 file = NULL;
|
|
|
898
|
|
|
899 #else
|
|
|
900
|
|
|
901 file = ngx_pnalloc(cycle->pool, cycle->lock_file.len + zn->shm.name.len);
|
|
|
902 if (file == NULL) {
|
|
482
|
903 return NGX_ERROR;
|
|
480
|
904 }
|
|
|
905
|
|
|
906 (void) ngx_sprintf(file, "%V%V%Z", &cycle->lock_file, &zn->shm.name);
|
|
|
907
|
|
|
908 #endif
|
|
|
909
|
|
|
910 if (ngx_shmtx_create(&sp->mutex, (void *) &sp->lock, file) != NGX_OK) {
|
|
482
|
911 return NGX_ERROR;
|
|
480
|
912 }
|
|
|
913
|
|
|
914 ngx_slab_init(sp);
|
|
|
915
|
|
|
916 return NGX_OK;
|
|
|
917 }
|
|
|
918
|
|
0
|
919
|
|
112
|
920 ngx_int_t
|
|
160
|
921 ngx_create_pidfile(ngx_str_t *name, ngx_log_t *log)
|
|
0
|
922 {
|
|
478
|
923 size_t len;
|
|
|
924 ngx_uint_t create;
|
|
|
925 ngx_file_t file;
|
|
|
926 u_char pid[NGX_INT64_LEN + 2];
|
|
0
|
927
|
|
480
|
928 if (ngx_process > NGX_PROCESS_MASTER) {
|
|
|
929 return NGX_OK;
|
|
|
930 }
|
|
|
931
|
|
0
|
932 ngx_memzero(&file, sizeof(ngx_file_t));
|
|
92
|
933
|
|
160
|
934 file.name = *name;
|
|
|
935 file.log = log;
|
|
0
|
936
|
|
478
|
937 create = ngx_test_config ? NGX_FILE_CREATE_OR_OPEN : NGX_FILE_TRUNCATE;
|
|
0
|
938
|
|
|
939 file.fd = ngx_open_file(file.name.data, NGX_FILE_RDWR,
|
|
478
|
940 create, NGX_FILE_DEFAULT_ACCESS);
|
|
0
|
941
|
|
|
942 if (file.fd == NGX_INVALID_FILE) {
|
|
160
|
943 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
0
|
944 ngx_open_file_n " \"%s\" failed", file.name.data);
|
|
|
945 return NGX_ERROR;
|
|
|
946 }
|
|
|
947
|
|
|
948 if (!ngx_test_config) {
|
|
270
|
949 len = ngx_snprintf(pid, NGX_INT64_LEN + 2, "%P%N", ngx_pid) - pid;
|
|
10
|
950
|
|
0
|
951 if (ngx_write_file(&file, pid, len, 0) == NGX_ERROR) {
|
|
|
952 return NGX_ERROR;
|
|
|
953 }
|
|
|
954 }
|
|
|
955
|
|
|
956 if (ngx_close_file(file.fd) == NGX_FILE_ERROR) {
|
|
160
|
957 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
0
|
958 ngx_close_file_n " \"%s\" failed", file.name.data);
|
|
|
959 }
|
|
|
960
|
|
|
961 return NGX_OK;
|
|
|
962 }
|
|
|
963
|
|
|
964
|
|
112
|
965 void
|
|
|
966 ngx_delete_pidfile(ngx_cycle_t *cycle)
|
|
126
|
967 {
|
|
0
|
968 u_char *name;
|
|
|
969 ngx_core_conf_t *ccf;
|
|
|
970
|
|
|
971 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
972
|
|
92
|
973 name = ngx_new_binary ? ccf->oldpid.data : ccf->pid.data;
|
|
0
|
974
|
|
|
975 if (ngx_delete_file(name) == NGX_FILE_ERROR) {
|
|
|
976 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
977 ngx_delete_file_n " \"%s\" failed", name);
|
|
|
978 }
|
|
|
979 }
|
|
|
980
|
|
|
981
|
|
482
|
982 ngx_int_t
|
|
|
983 ngx_signal_process(ngx_cycle_t *cycle, char *sig)
|
|
|
984 {
|
|
|
985 ssize_t n;
|
|
|
986 ngx_int_t pid;
|
|
|
987 ngx_file_t file;
|
|
|
988 ngx_core_conf_t *ccf;
|
|
|
989 u_char buf[NGX_INT64_LEN + 2];
|
|
|
990
|
|
|
991 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "signal process started");
|
|
|
992
|
|
|
993 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
994
|
|
|
995 file.name = ccf->pid;
|
|
|
996 file.log = cycle->log;
|
|
|
997
|
|
|
998 file.fd = ngx_open_file(file.name.data, NGX_FILE_RDONLY,
|
|
|
999 NGX_FILE_OPEN, NGX_FILE_DEFAULT_ACCESS);
|
|
|
1000
|
|
|
1001 if (file.fd == NGX_INVALID_FILE) {
|
|
|
1002 ngx_log_error(NGX_LOG_ERR, cycle->log, ngx_errno,
|
|
|
1003 ngx_open_file_n " \"%s\" failed", file.name.data);
|
|
|
1004 return 1;
|
|
|
1005 }
|
|
|
1006
|
|
|
1007 n = ngx_read_file(&file, buf, NGX_INT64_LEN + 2, 0);
|
|
|
1008
|
|
|
1009 if (ngx_close_file(file.fd) == NGX_FILE_ERROR) {
|
|
|
1010 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
1011 ngx_close_file_n " \"%s\" failed", file.name.data);
|
|
|
1012 }
|
|
|
1013
|
|
|
1014 if (n == NGX_ERROR) {
|
|
|
1015 return 1;
|
|
|
1016 }
|
|
|
1017
|
|
|
1018 while (n-- && (buf[n] == CR || buf[n] == LF)) { /* void */ }
|
|
|
1019
|
|
|
1020 pid = ngx_atoi(buf, ++n);
|
|
|
1021
|
|
|
1022 if (pid == NGX_ERROR) {
|
|
|
1023 ngx_log_error(NGX_LOG_ERR, cycle->log, 0,
|
|
|
1024 "invalid PID number \"%*s\" in \"%s\"",
|
|
|
1025 n, buf, file.name.data);
|
|
|
1026 return 1;
|
|
|
1027 }
|
|
|
1028
|
|
|
1029 return ngx_os_signal_process(cycle, sig, pid);
|
|
|
1030
|
|
|
1031 }
|
|
|
1032
|
|
|
1033
|
|
160
|
1034 static ngx_int_t
|
|
|
1035 ngx_test_lockfile(u_char *file, ngx_log_t *log)
|
|
|
1036 {
|
|
|
1037 #if !(NGX_HAVE_ATOMIC_OPS)
|
|
|
1038 ngx_fd_t fd;
|
|
|
1039
|
|
284
|
1040 fd = ngx_open_file(file, NGX_FILE_RDWR, NGX_FILE_CREATE_OR_OPEN,
|
|
|
1041 NGX_FILE_DEFAULT_ACCESS);
|
|
160
|
1042
|
|
|
1043 if (fd == NGX_INVALID_FILE) {
|
|
|
1044 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
1045 ngx_open_file_n " \"%s\" failed", file);
|
|
|
1046 return NGX_ERROR;
|
|
|
1047 }
|
|
|
1048
|
|
|
1049 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1050 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
|
1051 ngx_close_file_n " \"%s\" failed", file);
|
|
|
1052 }
|
|
|
1053
|
|
|
1054 if (ngx_delete_file(file) == NGX_FILE_ERROR) {
|
|
|
1055 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
|
1056 ngx_delete_file_n " \"%s\" failed", file);
|
|
|
1057 }
|
|
|
1058
|
|
|
1059 #endif
|
|
|
1060
|
|
|
1061 return NGX_OK;
|
|
|
1062 }
|
|
|
1063
|
|
|
1064
|
|
112
|
1065 void
|
|
|
1066 ngx_reopen_files(ngx_cycle_t *cycle, ngx_uid_t user)
|
|
0
|
1067 {
|
|
418
|
1068 ssize_t n, len;
|
|
0
|
1069 ngx_fd_t fd;
|
|
|
1070 ngx_uint_t i;
|
|
|
1071 ngx_list_part_t *part;
|
|
|
1072 ngx_open_file_t *file;
|
|
|
1073
|
|
|
1074 part = &cycle->open_files.part;
|
|
|
1075 file = part->elts;
|
|
|
1076
|
|
|
1077 for (i = 0; /* void */ ; i++) {
|
|
|
1078
|
|
|
1079 if (i >= part->nelts) {
|
|
|
1080 if (part->next == NULL) {
|
|
|
1081 break;
|
|
|
1082 }
|
|
|
1083 part = part->next;
|
|
72
|
1084 file = part->elts;
|
|
0
|
1085 i = 0;
|
|
|
1086 }
|
|
|
1087
|
|
482
|
1088 if (file[i].name.len == 0) {
|
|
0
|
1089 continue;
|
|
|
1090 }
|
|
|
1091
|
|
418
|
1092 len = file[i].pos - file[i].buffer;
|
|
|
1093
|
|
|
1094 if (file[i].buffer && len != 0) {
|
|
|
1095
|
|
|
1096 n = ngx_write_fd(file[i].fd, file[i].buffer, len);
|
|
|
1097
|
|
|
1098 if (n == NGX_FILE_ERROR) {
|
|
|
1099 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
1100 ngx_write_fd_n " to \"%s\" failed",
|
|
|
1101 file[i].name.data);
|
|
|
1102
|
|
|
1103 } else if (n != len) {
|
|
|
1104 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
|
|
|
1105 ngx_write_fd_n " to \"%s\" was incomplete: %z of %uz",
|
|
|
1106 file[i].name.data, n, len);
|
|
|
1107 }
|
|
|
1108
|
|
120
|
1109 file[i].pos = file[i].buffer;
|
|
|
1110 }
|
|
|
1111
|
|
470
|
1112 fd = ngx_open_file(file[i].name.data, NGX_FILE_APPEND,
|
|
|
1113 NGX_FILE_CREATE_OR_OPEN, NGX_FILE_DEFAULT_ACCESS);
|
|
0
|
1114
|
|
|
1115 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
|
1116 "reopen file \"%s\", old:%d new:%d",
|
|
|
1117 file[i].name.data, file[i].fd, fd);
|
|
|
1118
|
|
|
1119 if (fd == NGX_INVALID_FILE) {
|
|
|
1120 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1121 ngx_open_file_n " \"%s\" failed", file[i].name.data);
|
|
|
1122 continue;
|
|
|
1123 }
|
|
|
1124
|
|
478
|
1125 #if !(NGX_WIN32)
|
|
66
|
1126 if (user != (ngx_uid_t) NGX_CONF_UNSET_UINT) {
|
|
356
|
1127 ngx_file_info_t fi;
|
|
2
|
1128
|
|
|
1129 if (ngx_file_info((const char *) file[i].name.data, &fi) == -1) {
|
|
|
1130 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1131 ngx_file_info_n " \"%s\" failed",
|
|
|
1132 file[i].name.data);
|
|
|
1133
|
|
|
1134 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1135 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1136 ngx_close_file_n " \"%s\" failed",
|
|
|
1137 file[i].name.data);
|
|
|
1138 }
|
|
|
1139 }
|
|
|
1140
|
|
16
|
1141 if (fi.st_uid != user) {
|
|
|
1142 if (chown((const char *) file[i].name.data, user, -1) == -1) {
|
|
|
1143 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1144 "chown(\"%s\", %d) failed",
|
|
|
1145 file[i].name.data, user);
|
|
|
1146
|
|
|
1147 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1148 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1149 ngx_close_file_n " \"%s\" failed",
|
|
|
1150 file[i].name.data);
|
|
|
1151 }
|
|
|
1152 }
|
|
|
1153 }
|
|
|
1154
|
|
2
|
1155 if ((fi.st_mode & (S_IRUSR|S_IWUSR)) != (S_IRUSR|S_IWUSR)) {
|
|
|
1156
|
|
|
1157 fi.st_mode |= (S_IRUSR|S_IWUSR);
|
|
|
1158
|
|
|
1159 if (chmod((const char *) file[i].name.data, fi.st_mode) == -1) {
|
|
|
1160 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
16
|
1161 "chmod() \"%s\" failed", file[i].name.data);
|
|
2
|
1162
|
|
|
1163 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1164 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1165 ngx_close_file_n " \"%s\" failed",
|
|
|
1166 file[i].name.data);
|
|
|
1167 }
|
|
|
1168 }
|
|
|
1169 }
|
|
0
|
1170 }
|
|
|
1171
|
|
|
1172 if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) {
|
|
|
1173 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1174 "fcntl(FD_CLOEXEC) \"%s\" failed",
|
|
|
1175 file[i].name.data);
|
|
|
1176
|
|
|
1177 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1178 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1179 ngx_close_file_n " \"%s\" failed",
|
|
|
1180 file[i].name.data);
|
|
|
1181 }
|
|
|
1182
|
|
|
1183 continue;
|
|
|
1184 }
|
|
|
1185 #endif
|
|
|
1186
|
|
|
1187 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
1188 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1189 ngx_close_file_n " \"%s\" failed",
|
|
|
1190 file[i].name.data);
|
|
|
1191 }
|
|
|
1192
|
|
|
1193 file[i].fd = fd;
|
|
|
1194 }
|
|
|
1195
|
|
10
|
1196 #if !(NGX_WIN32)
|
|
0
|
1197
|
|
|
1198 if (cycle->log->file->fd != STDERR_FILENO) {
|
|
|
1199 if (dup2(cycle->log->file->fd, STDERR_FILENO) == -1) {
|
|
|
1200 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1201 "dup2(STDERR) failed");
|
|
|
1202 }
|
|
|
1203 }
|
|
|
1204
|
|
|
1205 #endif
|
|
|
1206 }
|
|
|
1207
|
|
|
1208
|
|
272
|
1209 ngx_shm_zone_t *
|
|
|
1210 ngx_shared_memory_add(ngx_conf_t *cf, ngx_str_t *name, size_t size, void *tag)
|
|
|
1211 {
|
|
|
1212 ngx_uint_t i;
|
|
|
1213 ngx_shm_zone_t *shm_zone;
|
|
|
1214 ngx_list_part_t *part;
|
|
|
1215
|
|
|
1216 part = &cf->cycle->shared_memory.part;
|
|
|
1217 shm_zone = part->elts;
|
|
|
1218
|
|
|
1219 for (i = 0; /* void */ ; i++) {
|
|
|
1220
|
|
|
1221 if (i >= part->nelts) {
|
|
|
1222 if (part->next == NULL) {
|
|
|
1223 break;
|
|
|
1224 }
|
|
|
1225 part = part->next;
|
|
|
1226 shm_zone = part->elts;
|
|
|
1227 i = 0;
|
|
|
1228 }
|
|
|
1229
|
|
480
|
1230 if (name->len != shm_zone[i].shm.name.len) {
|
|
272
|
1231 continue;
|
|
|
1232 }
|
|
|
1233
|
|
480
|
1234 if (ngx_strncmp(name->data, shm_zone[i].shm.name.data, name->len)
|
|
|
1235 != 0)
|
|
|
1236 {
|
|
272
|
1237 continue;
|
|
|
1238 }
|
|
|
1239
|
|
|
1240 if (size && size != shm_zone[i].shm.size) {
|
|
|
1241 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
480
|
1242 "the size %uz of shared memory zone \"%V\" "
|
|
|
1243 "conflicts with already declared size %uz",
|
|
|
1244 size, &shm_zone[i].shm.name, shm_zone[i].shm.size);
|
|
272
|
1245 return NULL;
|
|
|
1246 }
|
|
|
1247
|
|
|
1248 if (tag != shm_zone[i].tag) {
|
|
|
1249 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
480
|
1250 "the shared memory zone \"%V\" is "
|
|
|
1251 "already declared for a different use",
|
|
|
1252 &shm_zone[i].shm.name);
|
|
272
|
1253 return NULL;
|
|
|
1254 }
|
|
|
1255
|
|
|
1256 return &shm_zone[i];
|
|
|
1257 }
|
|
|
1258
|
|
|
1259 shm_zone = ngx_list_push(&cf->cycle->shared_memory);
|
|
|
1260
|
|
|
1261 if (shm_zone == NULL) {
|
|
|
1262 return NULL;
|
|
|
1263 }
|
|
|
1264
|
|
|
1265 shm_zone->data = NULL;
|
|
|
1266 shm_zone->shm.log = cf->cycle->log;
|
|
|
1267 shm_zone->shm.size = size;
|
|
480
|
1268 shm_zone->shm.name = *name;
|
|
|
1269 shm_zone->shm.exists = 0;
|
|
272
|
1270 shm_zone->init = NULL;
|
|
|
1271 shm_zone->tag = tag;
|
|
|
1272
|
|
|
1273 return shm_zone;
|
|
|
1274 }
|
|
|
1275
|
|
|
1276
|
|
112
|
1277 static void
|
|
|
1278 ngx_clean_old_cycles(ngx_event_t *ev)
|
|
0
|
1279 {
|
|
|
1280 ngx_uint_t i, n, found, live;
|
|
|
1281 ngx_log_t *log;
|
|
|
1282 ngx_cycle_t **cycle;
|
|
|
1283
|
|
|
1284 log = ngx_cycle->log;
|
|
|
1285 ngx_temp_pool->log = log;
|
|
|
1286
|
|
|
1287 ngx_log_debug0(NGX_LOG_DEBUG_CORE, log, 0, "clean old cycles");
|
|
|
1288
|
|
|
1289 live = 0;
|
|
|
1290
|
|
|
1291 cycle = ngx_old_cycles.elts;
|
|
|
1292 for (i = 0; i < ngx_old_cycles.nelts; i++) {
|
|
|
1293
|
|
|
1294 if (cycle[i] == NULL) {
|
|
|
1295 continue;
|
|
|
1296 }
|
|
|
1297
|
|
|
1298 found = 0;
|
|
|
1299
|
|
|
1300 for (n = 0; n < cycle[i]->connection_n; n++) {
|
|
110
|
1301 if (cycle[i]->connections[n].fd != (ngx_socket_t) -1) {
|
|
0
|
1302 found = 1;
|
|
|
1303
|
|
|
1304 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "live fd:%d", n);
|
|
|
1305
|
|
|
1306 break;
|
|
|
1307 }
|
|
|
1308 }
|
|
|
1309
|
|
|
1310 if (found) {
|
|
|
1311 live = 1;
|
|
|
1312 continue;
|
|
|
1313 }
|
|
|
1314
|
|
|
1315 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "clean old cycle: %d", i);
|
|
|
1316
|
|
|
1317 ngx_destroy_pool(cycle[i]->pool);
|
|
|
1318 cycle[i] = NULL;
|
|
|
1319 }
|
|
|
1320
|
|
|
1321 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "old cycles status: %d", live);
|
|
|
1322
|
|
|
1323 if (live) {
|
|
|
1324 ngx_add_timer(ev, 30000);
|
|
|
1325
|
|
|
1326 } else {
|
|
|
1327 ngx_destroy_pool(ngx_temp_pool);
|
|
|
1328 ngx_temp_pool = NULL;
|
|
|
1329 ngx_old_cycles.nelts = 0;
|
|
|
1330 }
|
|
|
1331 }
|
