|
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
|
|
160
|
12 static ngx_int_t ngx_test_lockfile(u_char *file, ngx_log_t *log);
|
|
154
|
13 static void ngx_destroy_cycle_pools(ngx_conf_t *conf);
|
|
28
|
14 static ngx_int_t ngx_cmp_sockaddr(struct sockaddr *sa1, struct sockaddr *sa2);
|
|
0
|
15 static void ngx_clean_old_cycles(ngx_event_t *ev);
|
|
|
16
|
|
|
17
|
|
|
18 volatile ngx_cycle_t *ngx_cycle;
|
|
|
19 ngx_array_t ngx_old_cycles;
|
|
|
20
|
|
|
21 static ngx_pool_t *ngx_temp_pool;
|
|
|
22 static ngx_event_t ngx_cleaner_event;
|
|
|
23
|
|
|
24 ngx_uint_t ngx_test_config;
|
|
|
25
|
|
|
26 #if (NGX_THREADS)
|
|
|
27 ngx_tls_key_t ngx_core_tls_key;
|
|
|
28 #endif
|
|
|
29
|
|
|
30
|
|
|
31 /* STUB NAME */
|
|
|
32 static ngx_connection_t dumb;
|
|
|
33 /* STUB */
|
|
|
34
|
|
|
35 #ifdef NGX_ERROR_LOG_PATH
|
|
|
36 static ngx_str_t error_log = ngx_string(NGX_ERROR_LOG_PATH);
|
|
|
37 #else
|
|
|
38 static ngx_str_t error_log = ngx_null_string;
|
|
|
39 #endif
|
|
|
40
|
|
|
41
|
|
112
|
42 ngx_cycle_t *
|
|
|
43 ngx_init_cycle(ngx_cycle_t *old_cycle)
|
|
0
|
44 {
|
|
154
|
45 void *rv;
|
|
258
|
46 u_char *lock_file;
|
|
160
|
47 ngx_uint_t i, n;
|
|
154
|
48 ngx_log_t *log;
|
|
|
49 ngx_conf_t conf;
|
|
|
50 ngx_pool_t *pool;
|
|
|
51 ngx_cycle_t *cycle, **old;
|
|
258
|
52 ngx_shm_zone_t *shm, *oshm;
|
|
|
53 ngx_slab_pool_t *shpool;
|
|
|
54 ngx_list_part_t *part, *opart;
|
|
154
|
55 ngx_open_file_t *file;
|
|
|
56 ngx_listening_t *ls, *nls;
|
|
|
57 ngx_core_conf_t *ccf;
|
|
|
58 ngx_core_module_t *module;
|
|
160
|
59 #if !(WIN32)
|
|
|
60 ngx_core_conf_t *old_ccf;
|
|
|
61 #endif
|
|
0
|
62
|
|
|
63 log = old_cycle->log;
|
|
|
64
|
|
56
|
65 pool = ngx_create_pool(NGX_CYCLE_POOL_SIZE, log);
|
|
50
|
66 if (pool == NULL) {
|
|
0
|
67 return NULL;
|
|
|
68 }
|
|
|
69 pool->log = log;
|
|
|
70
|
|
50
|
71 cycle = ngx_pcalloc(pool, sizeof(ngx_cycle_t));
|
|
|
72 if (cycle == NULL) {
|
|
0
|
73 ngx_destroy_pool(pool);
|
|
|
74 return NULL;
|
|
|
75 }
|
|
50
|
76
|
|
0
|
77 cycle->pool = pool;
|
|
|
78 cycle->log = log;
|
|
|
79 cycle->old_cycle = old_cycle;
|
|
|
80 cycle->root.len = sizeof(NGX_PREFIX) - 1;
|
|
|
81 cycle->root.data = (u_char *) NGX_PREFIX;
|
|
|
82
|
|
|
83
|
|
154
|
84 cycle->conf_file.len = old_cycle->conf_file.len;
|
|
|
85 cycle->conf_file.data = ngx_palloc(pool, old_cycle->conf_file.len + 1);
|
|
|
86 if (cycle->conf_file.data == NULL) {
|
|
|
87 ngx_destroy_pool(pool);
|
|
|
88 return NULL;
|
|
|
89 }
|
|
|
90 ngx_cpystrn(cycle->conf_file.data, old_cycle->conf_file.data,
|
|
|
91 old_cycle->conf_file.len + 1);
|
|
|
92
|
|
|
93
|
|
0
|
94 n = old_cycle->pathes.nelts ? old_cycle->pathes.nelts : 10;
|
|
50
|
95
|
|
|
96 cycle->pathes.elts = ngx_pcalloc(pool, n * sizeof(ngx_path_t *));
|
|
|
97 if (cycle->pathes.elts == NULL) {
|
|
0
|
98 ngx_destroy_pool(pool);
|
|
|
99 return NULL;
|
|
|
100 }
|
|
50
|
101
|
|
0
|
102 cycle->pathes.nelts = 0;
|
|
|
103 cycle->pathes.size = sizeof(ngx_path_t *);
|
|
|
104 cycle->pathes.nalloc = n;
|
|
|
105 cycle->pathes.pool = pool;
|
|
|
106
|
|
|
107
|
|
|
108 if (old_cycle->open_files.part.nelts) {
|
|
|
109 n = old_cycle->open_files.part.nelts;
|
|
|
110 for (part = old_cycle->open_files.part.next; part; part = part->next) {
|
|
|
111 n += part->nelts;
|
|
|
112 }
|
|
|
113
|
|
|
114 } else {
|
|
|
115 n = 20;
|
|
|
116 }
|
|
|
117
|
|
|
118 if (ngx_list_init(&cycle->open_files, pool, n, sizeof(ngx_open_file_t))
|
|
154
|
119 == NGX_ERROR)
|
|
0
|
120 {
|
|
|
121 ngx_destroy_pool(pool);
|
|
|
122 return NULL;
|
|
|
123 }
|
|
|
124
|
|
|
125
|
|
258
|
126 if (old_cycle->shared_memory.part.nelts) {
|
|
|
127 n = old_cycle->shared_memory.part.nelts;
|
|
|
128 for (part = old_cycle->shared_memory.part.next; part; part = part->next)
|
|
|
129 {
|
|
|
130 n += part->nelts;
|
|
|
131 }
|
|
|
132
|
|
|
133 } else {
|
|
|
134 n = 1;
|
|
|
135 }
|
|
|
136
|
|
|
137 if (ngx_list_init(&cycle->shared_memory, pool, n, sizeof(ngx_shm_zone_t))
|
|
|
138 == NGX_ERROR)
|
|
|
139 {
|
|
|
140 ngx_destroy_pool(pool);
|
|
|
141 return NULL;
|
|
|
142 }
|
|
|
143
|
|
|
144
|
|
50
|
145 cycle->new_log = ngx_log_create_errlog(cycle, NULL);
|
|
|
146 if (cycle->new_log == NULL) {
|
|
0
|
147 ngx_destroy_pool(pool);
|
|
|
148 return NULL;
|
|
|
149 }
|
|
|
150
|
|
|
151 cycle->new_log->file->name = error_log;
|
|
|
152
|
|
|
153
|
|
|
154 n = old_cycle->listening.nelts ? old_cycle->listening.nelts : 10;
|
|
50
|
155
|
|
0
|
156 cycle->listening.elts = ngx_pcalloc(pool, n * sizeof(ngx_listening_t));
|
|
|
157 if (cycle->listening.elts == NULL) {
|
|
|
158 ngx_destroy_pool(pool);
|
|
|
159 return NULL;
|
|
|
160 }
|
|
50
|
161
|
|
0
|
162 cycle->listening.nelts = 0;
|
|
|
163 cycle->listening.size = sizeof(ngx_listening_t);
|
|
|
164 cycle->listening.nalloc = n;
|
|
|
165 cycle->listening.pool = pool;
|
|
|
166
|
|
|
167
|
|
|
168 cycle->conf_ctx = ngx_pcalloc(pool, ngx_max_module * sizeof(void *));
|
|
|
169 if (cycle->conf_ctx == NULL) {
|
|
|
170 ngx_destroy_pool(pool);
|
|
|
171 return NULL;
|
|
|
172 }
|
|
|
173
|
|
|
174
|
|
|
175 for (i = 0; ngx_modules[i]; i++) {
|
|
|
176 if (ngx_modules[i]->type != NGX_CORE_MODULE) {
|
|
|
177 continue;
|
|
|
178 }
|
|
|
179
|
|
|
180 module = ngx_modules[i]->ctx;
|
|
|
181
|
|
|
182 if (module->create_conf) {
|
|
|
183 rv = module->create_conf(cycle);
|
|
|
184 if (rv == NGX_CONF_ERROR) {
|
|
|
185 ngx_destroy_pool(pool);
|
|
|
186 return NULL;
|
|
|
187 }
|
|
|
188 cycle->conf_ctx[ngx_modules[i]->index] = rv;
|
|
|
189 }
|
|
|
190 }
|
|
|
191
|
|
|
192
|
|
|
193 ngx_memzero(&conf, sizeof(ngx_conf_t));
|
|
|
194 /* STUB: init array ? */
|
|
50
|
195 conf.args = ngx_array_create(pool, 10, sizeof(ngx_str_t));
|
|
0
|
196 if (conf.args == NULL) {
|
|
|
197 ngx_destroy_pool(pool);
|
|
|
198 return NULL;
|
|
|
199 }
|
|
|
200
|
|
142
|
201 conf.temp_pool = ngx_create_pool(NGX_CYCLE_POOL_SIZE, log);
|
|
|
202 if (conf.temp_pool == NULL) {
|
|
|
203 ngx_destroy_pool(pool);
|
|
|
204 return NULL;
|
|
|
205 }
|
|
|
206
|
|
154
|
207
|
|
0
|
208 conf.ctx = cycle->conf_ctx;
|
|
|
209 conf.cycle = cycle;
|
|
|
210 conf.pool = pool;
|
|
|
211 conf.log = log;
|
|
|
212 conf.module_type = NGX_CORE_MODULE;
|
|
|
213 conf.cmd_type = NGX_MAIN_CONF;
|
|
|
214
|
|
4
|
215 #if 0
|
|
|
216 log->log_level = NGX_LOG_DEBUG_ALL;
|
|
|
217 #endif
|
|
0
|
218
|
|
|
219 if (ngx_conf_parse(&conf, &cycle->conf_file) != NGX_CONF_OK) {
|
|
154
|
220 ngx_destroy_cycle_pools(&conf);
|
|
0
|
221 return NULL;
|
|
|
222 }
|
|
|
223
|
|
|
224 if (ngx_test_config) {
|
|
|
225 ngx_log_error(NGX_LOG_INFO, log, 0,
|
|
|
226 "the configuration file %s syntax is ok",
|
|
|
227 cycle->conf_file.data);
|
|
|
228 }
|
|
|
229
|
|
|
230
|
|
|
231 for (i = 0; ngx_modules[i]; i++) {
|
|
|
232 if (ngx_modules[i]->type != NGX_CORE_MODULE) {
|
|
|
233 continue;
|
|
|
234 }
|
|
|
235
|
|
|
236 module = ngx_modules[i]->ctx;
|
|
|
237
|
|
|
238 if (module->init_conf) {
|
|
|
239 if (module->init_conf(cycle, cycle->conf_ctx[ngx_modules[i]->index])
|
|
142
|
240 == NGX_CONF_ERROR)
|
|
0
|
241 {
|
|
154
|
242 ngx_destroy_cycle_pools(&conf);
|
|
0
|
243 return NULL;
|
|
|
244 }
|
|
|
245 }
|
|
|
246 }
|
|
|
247
|
|
|
248
|
|
160
|
249 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
0
|
250
|
|
10
|
251 #if !(NGX_WIN32)
|
|
160
|
252
|
|
|
253 if (ngx_test_config) {
|
|
|
254
|
|
|
255 if (ngx_create_pidfile(&ccf->pid, log) != NGX_OK) {
|
|
|
256 goto failed;
|
|
|
257 }
|
|
|
258
|
|
|
259 } else if (!ngx_is_init_cycle(old_cycle)) {
|
|
|
260
|
|
|
261 /*
|
|
|
262 * we do not create the pid file in the first ngx_init_cycle() call
|
|
|
263 * because we need to write the demonized process pid
|
|
|
264 */
|
|
|
265
|
|
|
266 old_ccf = (ngx_core_conf_t *) ngx_get_conf(old_cycle->conf_ctx,
|
|
|
267 ngx_core_module);
|
|
|
268 if (ccf->pid.len != old_ccf->pid.len
|
|
|
269 || ngx_strcmp(ccf->pid.data, old_ccf->pid.data) != 0)
|
|
|
270 {
|
|
|
271 /* new pid file name */
|
|
|
272
|
|
|
273 if (ngx_create_pidfile(&ccf->pid, log) != NGX_OK) {
|
|
|
274 goto failed;
|
|
|
275 }
|
|
|
276
|
|
|
277 ngx_delete_pidfile(old_cycle);
|
|
|
278 }
|
|
0
|
279 }
|
|
160
|
280
|
|
0
|
281 #endif
|
|
|
282
|
|
|
283
|
|
258
|
284 if (ngx_test_lockfile(cycle->lock_file.data, log) != NGX_OK) {
|
|
160
|
285 goto failed;
|
|
|
286 }
|
|
16
|
287
|
|
160
|
288
|
|
|
289 if (ngx_create_pathes(cycle, ccf->user) != NGX_OK) {
|
|
|
290 goto failed;
|
|
16
|
291 }
|
|
|
292
|
|
|
293
|
|
160
|
294 /* open the new files */
|
|
0
|
295
|
|
160
|
296 part = &cycle->open_files.part;
|
|
|
297 file = part->elts;
|
|
0
|
298
|
|
160
|
299 for (i = 0; /* void */ ; i++) {
|
|
0
|
300
|
|
160
|
301 if (i >= part->nelts) {
|
|
|
302 if (part->next == NULL) {
|
|
0
|
303 break;
|
|
|
304 }
|
|
160
|
305 part = part->next;
|
|
|
306 file = part->elts;
|
|
|
307 i = 0;
|
|
|
308 }
|
|
|
309
|
|
|
310 if (file[i].name.data == NULL) {
|
|
|
311 continue;
|
|
|
312 }
|
|
|
313
|
|
|
314 file[i].fd = ngx_open_file(file[i].name.data, NGX_FILE_RDWR,
|
|
|
315 NGX_FILE_CREATE_OR_OPEN|NGX_FILE_APPEND);
|
|
|
316
|
|
|
317 ngx_log_debug3(NGX_LOG_DEBUG_CORE, log, 0,
|
|
|
318 "log: %p %d \"%s\"",
|
|
|
319 &file[i], file[i].fd, file[i].name.data);
|
|
|
320
|
|
|
321 if (file[i].fd == NGX_INVALID_FILE) {
|
|
|
322 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
323 ngx_open_file_n " \"%s\" failed",
|
|
|
324 file[i].name.data);
|
|
|
325 goto failed;
|
|
|
326 }
|
|
0
|
327
|
|
10
|
328 #if (NGX_WIN32)
|
|
160
|
329 if (ngx_file_append_mode(file[i].fd) != NGX_OK) {
|
|
|
330 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
331 ngx_file_append_mode_n " \"%s\" failed",
|
|
|
332 file[i].name.data);
|
|
|
333 goto failed;
|
|
|
334 }
|
|
0
|
335 #else
|
|
160
|
336 if (fcntl(file[i].fd, F_SETFD, FD_CLOEXEC) == -1) {
|
|
|
337 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
338 "fcntl(FD_CLOEXEC) \"%s\" failed",
|
|
|
339 file[i].name.data);
|
|
|
340 goto failed;
|
|
|
341 }
|
|
0
|
342 #endif
|
|
|
343 }
|
|
|
344
|
|
|
345 cycle->log = cycle->new_log;
|
|
|
346 pool->log = cycle->new_log;
|
|
|
347
|
|
|
348 if (cycle->log->log_level == 0) {
|
|
|
349 cycle->log->log_level = NGX_LOG_ERR;
|
|
|
350 }
|
|
|
351
|
|
10
|
352
|
|
258
|
353 /* create shared memory */
|
|
|
354
|
|
|
355 part = &cycle->shared_memory.part;
|
|
|
356 shm = part->elts;
|
|
|
357
|
|
|
358 for (i = 0; /* void */ ; i++) {
|
|
|
359
|
|
|
360 if (i >= part->nelts) {
|
|
|
361 if (part->next == NULL) {
|
|
|
362 break;
|
|
|
363 }
|
|
|
364 part = part->next;
|
|
|
365 shm = part->elts;
|
|
|
366 i = 0;
|
|
|
367 }
|
|
|
368
|
|
|
369 shm[i].shm.log = cycle->log;
|
|
|
370
|
|
|
371 opart = &old_cycle->shared_memory.part;
|
|
|
372 oshm = opart->elts;
|
|
|
373
|
|
|
374 for (n = 0; /* void */ ; n++) {
|
|
|
375
|
|
|
376 if (n >= opart->nelts) {
|
|
|
377 if (opart->next == NULL) {
|
|
|
378 break;
|
|
|
379 }
|
|
|
380 opart = opart->next;
|
|
|
381 oshm = opart->elts;
|
|
|
382 n = 0;
|
|
|
383 }
|
|
|
384
|
|
|
385 if (ngx_strcmp(shm[i].name.data, oshm[n].name.data) != 0) {
|
|
|
386 continue;
|
|
|
387 }
|
|
|
388
|
|
|
389 if (shm[i].shm.size == oshm[n].shm.size) {
|
|
|
390 shm[i].shm.addr = oshm[n].shm.addr;
|
|
|
391 goto found;
|
|
|
392 }
|
|
|
393
|
|
|
394 ngx_shm_free(&oshm[n].shm);
|
|
|
395
|
|
|
396 break;
|
|
|
397 }
|
|
|
398
|
|
|
399 if (ngx_shm_alloc(&shm[i].shm) != NGX_OK) {
|
|
|
400 goto failed;
|
|
|
401 }
|
|
|
402
|
|
|
403 shpool = (ngx_slab_pool_t *) shm[i].shm.addr;
|
|
|
404
|
|
|
405 shpool->end = shm[i].shm.addr + shm[i].shm.size;
|
|
|
406 shpool->min_shift = 3;
|
|
|
407
|
|
|
408 #if (NGX_HAVE_ATOMIC_OPS)
|
|
|
409
|
|
|
410 lock_file = NULL;
|
|
|
411
|
|
|
412 #else
|
|
|
413
|
|
|
414 lock_file = ngx_palloc(cycle->pool,
|
|
|
415 cycle->lock_file.len + shm[i].name.len);
|
|
|
416
|
|
|
417 if (lock_file == NULL) {
|
|
|
418 goto failed;
|
|
|
419 }
|
|
|
420
|
|
|
421 (void) ngx_cpystrn(ngx_cpymem(lock_file, cycle->lock_file.data,
|
|
|
422 cycle->lock_file.len),
|
|
|
423 shm[i].name.data, shm[i].name.len + 1);
|
|
|
424
|
|
|
425 #endif
|
|
|
426
|
|
|
427 if (ngx_shmtx_create(&shpool->mutex, (void *) &shpool->lock, lock_file)
|
|
|
428 != NGX_OK)
|
|
|
429 {
|
|
|
430 goto failed;
|
|
|
431 }
|
|
|
432
|
|
|
433 ngx_slab_init(shpool);
|
|
|
434
|
|
|
435 found:
|
|
|
436
|
|
|
437 continue;
|
|
|
438 }
|
|
|
439
|
|
|
440
|
|
160
|
441 /* handle the listening sockets */
|
|
10
|
442
|
|
160
|
443 if (old_cycle->listening.nelts) {
|
|
|
444 ls = old_cycle->listening.elts;
|
|
|
445 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
|
446 ls[i].remain = 0;
|
|
|
447 }
|
|
0
|
448
|
|
160
|
449 nls = cycle->listening.elts;
|
|
|
450 for (n = 0; n < cycle->listening.nelts; n++) {
|
|
10
|
451
|
|
160
|
452 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
|
453 if (ls[i].ignore) {
|
|
|
454 continue;
|
|
|
455 }
|
|
0
|
456
|
|
160
|
457 if (ngx_cmp_sockaddr(nls[n].sockaddr, ls[i].sockaddr) == NGX_OK)
|
|
|
458 {
|
|
|
459 nls[n].fd = ls[i].fd;
|
|
|
460 nls[n].previous = &ls[i];
|
|
|
461 ls[i].remain = 1;
|
|
72
|
462
|
|
160
|
463 if (ls[n].backlog != nls[i].backlog) {
|
|
|
464 nls[n].listen = 1;
|
|
|
465 }
|
|
86
|
466
|
|
72
|
467 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
|
|
|
468
|
|
160
|
469 /*
|
|
|
470 * FreeBSD, except the most recent versions,
|
|
|
471 * could not remove accept filter
|
|
|
472 */
|
|
|
473 nls[n].deferred_accept = ls[i].deferred_accept;
|
|
72
|
474
|
|
160
|
475 if (ls[i].accept_filter && nls[n].accept_filter) {
|
|
|
476 if (ngx_strcmp(ls[i].accept_filter,
|
|
|
477 nls[n].accept_filter)
|
|
|
478 != 0)
|
|
|
479 {
|
|
72
|
480 nls[n].delete_deferred = 1;
|
|
|
481 nls[n].add_deferred = 1;
|
|
|
482 }
|
|
160
|
483
|
|
|
484 } else if (ls[i].accept_filter) {
|
|
|
485 nls[n].delete_deferred = 1;
|
|
|
486
|
|
|
487 } else if (nls[n].accept_filter) {
|
|
|
488 nls[n].add_deferred = 1;
|
|
|
489 }
|
|
72
|
490 #endif
|
|
|
491
|
|
|
492 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
|
|
|
493
|
|
160
|
494 if (ls[n].deferred_accept && !nls[n].deferred_accept) {
|
|
|
495 nls[n].delete_deferred = 1;
|
|
72
|
496
|
|
160
|
497 } else if (ls[i].deferred_accept != nls[n].deferred_accept)
|
|
|
498 {
|
|
|
499 nls[n].add_deferred = 1;
|
|
|
500 }
|
|
72
|
501 #endif
|
|
160
|
502 break;
|
|
0
|
503 }
|
|
|
504 }
|
|
|
505
|
|
160
|
506 if (nls[n].fd == -1) {
|
|
|
507 nls[n].open = 1;
|
|
0
|
508 }
|
|
|
509 }
|
|
|
510
|
|
160
|
511 } else {
|
|
|
512 ls = cycle->listening.elts;
|
|
|
513 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
|
514 ls[i].open = 1;
|
|
|
515 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
|
|
|
516 if (ls[i].accept_filter) {
|
|
|
517 ls[i].add_deferred = 1;
|
|
0
|
518 }
|
|
160
|
519 #endif
|
|
|
520 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
|
|
|
521 if (ls[i].deferred_accept) {
|
|
|
522 ls[i].add_deferred = 1;
|
|
72
|
523 }
|
|
160
|
524 #endif
|
|
0
|
525 }
|
|
|
526 }
|
|
|
527
|
|
160
|
528 if (ngx_open_listening_sockets(cycle) != NGX_OK) {
|
|
|
529 goto failed;
|
|
|
530 }
|
|
0
|
531
|
|
160
|
532 if (!ngx_test_config) {
|
|
|
533 ngx_configure_listening_socket(cycle);
|
|
0
|
534 }
|
|
|
535
|
|
|
536
|
|
|
537 /* commit the new cycle configuration */
|
|
|
538
|
|
10
|
539 #if !(NGX_WIN32)
|
|
0
|
540
|
|
|
541 if (!ngx_test_config && cycle->log->file->fd != STDERR_FILENO) {
|
|
|
542
|
|
|
543 ngx_log_debug3(NGX_LOG_DEBUG_CORE, log, 0,
|
|
10
|
544 "dup2: %p %d \"%s\"",
|
|
0
|
545 cycle->log->file,
|
|
|
546 cycle->log->file->fd, cycle->log->file->name.data);
|
|
|
547
|
|
160
|
548 if (dup2(cycle->log->file->fd, STDERR_FILENO) == -1) {
|
|
0
|
549 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
550 "dup2(STDERR) failed");
|
|
|
551 /* fatal */
|
|
|
552 exit(1);
|
|
|
553 }
|
|
|
554 }
|
|
|
555
|
|
|
556 #endif
|
|
|
557
|
|
|
558 pool->log = cycle->log;
|
|
|
559
|
|
|
560 for (i = 0; ngx_modules[i]; i++) {
|
|
|
561 if (ngx_modules[i]->init_module) {
|
|
160
|
562 if (ngx_modules[i]->init_module(cycle) != NGX_OK) {
|
|
0
|
563 /* fatal */
|
|
|
564 exit(1);
|
|
|
565 }
|
|
|
566 }
|
|
|
567 }
|
|
|
568
|
|
16
|
569
|
|
0
|
570 /* close and delete stuff that lefts from an old cycle */
|
|
|
571
|
|
|
572 /* close the unneeded listening sockets */
|
|
|
573
|
|
|
574 ls = old_cycle->listening.elts;
|
|
|
575 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
|
576 if (ls[i].remain) {
|
|
|
577 continue;
|
|
|
578 }
|
|
|
579
|
|
|
580 if (ngx_close_socket(ls[i].fd) == -1) {
|
|
|
581 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
|
|
92
|
582 ngx_close_socket_n " listening socket on %V failed",
|
|
10
|
583 &ls[i].addr_text);
|
|
0
|
584 }
|
|
|
585 }
|
|
|
586
|
|
|
587
|
|
|
588 /* close the unneeded open files */
|
|
|
589
|
|
|
590 part = &old_cycle->open_files.part;
|
|
|
591 file = part->elts;
|
|
|
592
|
|
|
593 for (i = 0; /* void */ ; i++) {
|
|
|
594
|
|
|
595 if (i >= part->nelts) {
|
|
|
596 if (part->next == NULL) {
|
|
|
597 break;
|
|
|
598 }
|
|
|
599 part = part->next;
|
|
|
600 file = part->elts;
|
|
|
601 i = 0;
|
|
|
602 }
|
|
|
603
|
|
|
604 if (file[i].fd == NGX_INVALID_FILE || file[i].fd == ngx_stderr_fileno) {
|
|
|
605 continue;
|
|
|
606 }
|
|
|
607
|
|
|
608 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
609 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
610 ngx_close_file_n " \"%s\" failed",
|
|
|
611 file[i].name.data);
|
|
|
612 }
|
|
|
613 }
|
|
|
614
|
|
142
|
615 ngx_destroy_pool(conf.temp_pool);
|
|
|
616
|
|
154
|
617 if (ngx_process == NGX_PROCESS_MASTER || ngx_is_init_cycle(old_cycle)) {
|
|
|
618
|
|
0
|
619 ngx_destroy_pool(old_cycle->pool);
|
|
160
|
620 cycle->old_cycle = NULL;
|
|
|
621
|
|
0
|
622 return cycle;
|
|
|
623 }
|
|
|
624
|
|
|
625
|
|
|
626 if (ngx_temp_pool == NULL) {
|
|
|
627 ngx_temp_pool = ngx_create_pool(128, cycle->log);
|
|
|
628 if (ngx_temp_pool == NULL) {
|
|
|
629 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
630 "can not create ngx_temp_pool");
|
|
|
631 exit(1);
|
|
|
632 }
|
|
|
633
|
|
|
634 n = 10;
|
|
|
635 ngx_old_cycles.elts = ngx_pcalloc(ngx_temp_pool,
|
|
|
636 n * sizeof(ngx_cycle_t *));
|
|
|
637 if (ngx_old_cycles.elts == NULL) {
|
|
|
638 exit(1);
|
|
|
639 }
|
|
|
640 ngx_old_cycles.nelts = 0;
|
|
|
641 ngx_old_cycles.size = sizeof(ngx_cycle_t *);
|
|
|
642 ngx_old_cycles.nalloc = n;
|
|
|
643 ngx_old_cycles.pool = ngx_temp_pool;
|
|
|
644
|
|
58
|
645 ngx_cleaner_event.handler = ngx_clean_old_cycles;
|
|
0
|
646 ngx_cleaner_event.log = cycle->log;
|
|
|
647 ngx_cleaner_event.data = &dumb;
|
|
|
648 dumb.fd = (ngx_socket_t) -1;
|
|
|
649 }
|
|
|
650
|
|
|
651 ngx_temp_pool->log = cycle->log;
|
|
|
652
|
|
50
|
653 old = ngx_array_push(&ngx_old_cycles);
|
|
0
|
654 if (old == NULL) {
|
|
|
655 exit(1);
|
|
|
656 }
|
|
|
657 *old = old_cycle;
|
|
|
658
|
|
|
659 if (!ngx_cleaner_event.timer_set) {
|
|
|
660 ngx_add_timer(&ngx_cleaner_event, 30000);
|
|
|
661 ngx_cleaner_event.timer_set = 1;
|
|
|
662 }
|
|
|
663
|
|
|
664 return cycle;
|
|
160
|
665
|
|
|
666
|
|
|
667 failed:
|
|
|
668
|
|
|
669 /* rollback the new cycle configuration */
|
|
|
670
|
|
|
671 part = &cycle->open_files.part;
|
|
|
672 file = part->elts;
|
|
|
673
|
|
|
674 for (i = 0; /* void */ ; i++) {
|
|
|
675
|
|
|
676 if (i >= part->nelts) {
|
|
|
677 if (part->next == NULL) {
|
|
|
678 break;
|
|
|
679 }
|
|
|
680 part = part->next;
|
|
|
681 file = part->elts;
|
|
|
682 i = 0;
|
|
|
683 }
|
|
|
684
|
|
|
685 if (file[i].fd == NGX_INVALID_FILE || file[i].fd == ngx_stderr_fileno) {
|
|
|
686 continue;
|
|
|
687 }
|
|
|
688
|
|
|
689 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
690 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
691 ngx_close_file_n " \"%s\" failed",
|
|
|
692 file[i].name.data);
|
|
|
693 }
|
|
|
694 }
|
|
|
695
|
|
|
696 if (ngx_test_config) {
|
|
|
697 ngx_destroy_cycle_pools(&conf);
|
|
|
698 return NULL;
|
|
|
699 }
|
|
|
700
|
|
|
701 ls = cycle->listening.elts;
|
|
|
702 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
|
703 if (ls[i].fd == -1 || !ls[i].open) {
|
|
|
704 continue;
|
|
|
705 }
|
|
|
706
|
|
|
707 if (ngx_close_socket(ls[i].fd) == -1) {
|
|
|
708 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
|
|
|
709 ngx_close_socket_n " %V failed",
|
|
|
710 &ls[i].addr_text);
|
|
|
711 }
|
|
|
712 }
|
|
|
713
|
|
|
714 ngx_destroy_cycle_pools(&conf);
|
|
|
715
|
|
|
716 return NULL;
|
|
0
|
717 }
|
|
|
718
|
|
|
719
|
|
154
|
720 static void
|
|
|
721 ngx_destroy_cycle_pools(ngx_conf_t *conf)
|
|
|
722 {
|
|
|
723 ngx_destroy_pool(conf->temp_pool);
|
|
|
724 ngx_destroy_pool(conf->pool);
|
|
|
725 }
|
|
|
726
|
|
|
727
|
|
112
|
728 static ngx_int_t
|
|
|
729 ngx_cmp_sockaddr(struct sockaddr *sa1, struct sockaddr *sa2)
|
|
10
|
730 {
|
|
|
731 struct sockaddr_in *sin1, *sin2;
|
|
|
732
|
|
|
733 /* AF_INET only */
|
|
|
734
|
|
28
|
735 if (sa1->sa_family != AF_INET || sa2->sa_family != AF_INET) {
|
|
10
|
736 return NGX_DECLINED;
|
|
|
737 }
|
|
|
738
|
|
28
|
739 sin1 = (struct sockaddr_in *) sa1;
|
|
|
740 sin2 = (struct sockaddr_in *) sa2;
|
|
10
|
741
|
|
|
742 if (sin1->sin_addr.s_addr != sin2->sin_addr.s_addr) {
|
|
|
743 return NGX_DECLINED;
|
|
|
744 }
|
|
|
745
|
|
|
746 if (sin1->sin_port != sin2->sin_port) {
|
|
|
747 return NGX_DECLINED;
|
|
|
748 }
|
|
|
749
|
|
|
750 return NGX_OK;
|
|
|
751 }
|
|
|
752
|
|
|
753
|
|
|
754 #if !(NGX_WIN32)
|
|
0
|
755
|
|
112
|
756 ngx_int_t
|
|
160
|
757 ngx_create_pidfile(ngx_str_t *name, ngx_log_t *log)
|
|
0
|
758 {
|
|
160
|
759 size_t len;
|
|
0
|
760 ngx_uint_t trunc;
|
|
|
761 ngx_file_t file;
|
|
270
|
762 u_char pid[NGX_INT64_LEN + 2];
|
|
0
|
763
|
|
|
764 ngx_memzero(&file, sizeof(ngx_file_t));
|
|
92
|
765
|
|
160
|
766 file.name = *name;
|
|
|
767 file.log = log;
|
|
0
|
768
|
|
160
|
769 trunc = ngx_test_config ? 0 : NGX_FILE_TRUNCATE;
|
|
0
|
770
|
|
|
771 file.fd = ngx_open_file(file.name.data, NGX_FILE_RDWR,
|
|
|
772 NGX_FILE_CREATE_OR_OPEN|trunc);
|
|
|
773
|
|
|
774 if (file.fd == NGX_INVALID_FILE) {
|
|
160
|
775 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
0
|
776 ngx_open_file_n " \"%s\" failed", file.name.data);
|
|
|
777 return NGX_ERROR;
|
|
|
778 }
|
|
|
779
|
|
|
780 if (!ngx_test_config) {
|
|
270
|
781 len = ngx_snprintf(pid, NGX_INT64_LEN + 2, "%P%N", ngx_pid) - pid;
|
|
10
|
782
|
|
0
|
783 if (ngx_write_file(&file, pid, len, 0) == NGX_ERROR) {
|
|
|
784 return NGX_ERROR;
|
|
|
785 }
|
|
|
786 }
|
|
|
787
|
|
|
788 if (ngx_close_file(file.fd) == NGX_FILE_ERROR) {
|
|
160
|
789 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
0
|
790 ngx_close_file_n " \"%s\" failed", file.name.data);
|
|
|
791 }
|
|
|
792
|
|
|
793 return NGX_OK;
|
|
|
794 }
|
|
|
795
|
|
|
796
|
|
112
|
797 void
|
|
|
798 ngx_delete_pidfile(ngx_cycle_t *cycle)
|
|
126
|
799 {
|
|
0
|
800 u_char *name;
|
|
|
801 ngx_core_conf_t *ccf;
|
|
|
802
|
|
|
803 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
804
|
|
92
|
805 name = ngx_new_binary ? ccf->oldpid.data : ccf->pid.data;
|
|
0
|
806
|
|
|
807 if (ngx_delete_file(name) == NGX_FILE_ERROR) {
|
|
|
808 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
809 ngx_delete_file_n " \"%s\" failed", name);
|
|
|
810 }
|
|
|
811 }
|
|
|
812
|
|
|
813 #endif
|
|
|
814
|
|
|
815
|
|
160
|
816 static ngx_int_t
|
|
|
817 ngx_test_lockfile(u_char *file, ngx_log_t *log)
|
|
|
818 {
|
|
|
819 #if !(NGX_HAVE_ATOMIC_OPS)
|
|
|
820 ngx_fd_t fd;
|
|
|
821
|
|
|
822 fd = ngx_open_file(file, NGX_FILE_RDWR, NGX_FILE_CREATE_OR_OPEN);
|
|
|
823
|
|
|
824 if (fd == NGX_INVALID_FILE) {
|
|
|
825 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
826 ngx_open_file_n " \"%s\" failed", file);
|
|
|
827 return NGX_ERROR;
|
|
|
828 }
|
|
|
829
|
|
|
830 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
831 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
|
832 ngx_close_file_n " \"%s\" failed", file);
|
|
|
833 }
|
|
|
834
|
|
|
835 if (ngx_delete_file(file) == NGX_FILE_ERROR) {
|
|
|
836 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
|
837 ngx_delete_file_n " \"%s\" failed", file);
|
|
|
838 }
|
|
|
839
|
|
|
840 #endif
|
|
|
841
|
|
|
842 return NGX_OK;
|
|
|
843 }
|
|
|
844
|
|
|
845
|
|
112
|
846 void
|
|
|
847 ngx_reopen_files(ngx_cycle_t *cycle, ngx_uid_t user)
|
|
0
|
848 {
|
|
|
849 ngx_fd_t fd;
|
|
|
850 ngx_uint_t i;
|
|
|
851 ngx_list_part_t *part;
|
|
|
852 ngx_open_file_t *file;
|
|
10
|
853 #if !(NGX_WIN32)
|
|
2
|
854 ngx_file_info_t fi;
|
|
|
855 #endif
|
|
0
|
856
|
|
|
857 part = &cycle->open_files.part;
|
|
|
858 file = part->elts;
|
|
|
859
|
|
|
860 for (i = 0; /* void */ ; i++) {
|
|
|
861
|
|
|
862 if (i >= part->nelts) {
|
|
|
863 if (part->next == NULL) {
|
|
|
864 break;
|
|
|
865 }
|
|
|
866 part = part->next;
|
|
72
|
867 file = part->elts;
|
|
0
|
868 i = 0;
|
|
|
869 }
|
|
|
870
|
|
|
871 if (file[i].name.data == NULL) {
|
|
|
872 continue;
|
|
|
873 }
|
|
|
874
|
|
120
|
875 if (file[i].buffer && file[i].pos - file[i].buffer != 0) {
|
|
|
876 ngx_write_fd(file[i].fd, file[i].buffer,
|
|
|
877 file[i].pos - file[i].buffer);
|
|
|
878 file[i].pos = file[i].buffer;
|
|
|
879 }
|
|
|
880
|
|
0
|
881 fd = ngx_open_file(file[i].name.data, NGX_FILE_RDWR,
|
|
|
882 NGX_FILE_CREATE_OR_OPEN|NGX_FILE_APPEND);
|
|
|
883
|
|
|
884 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
|
885 "reopen file \"%s\", old:%d new:%d",
|
|
|
886 file[i].name.data, file[i].fd, fd);
|
|
|
887
|
|
|
888 if (fd == NGX_INVALID_FILE) {
|
|
|
889 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
890 ngx_open_file_n " \"%s\" failed", file[i].name.data);
|
|
|
891 continue;
|
|
|
892 }
|
|
|
893
|
|
10
|
894 #if (NGX_WIN32)
|
|
0
|
895 if (ngx_file_append_mode(fd) == NGX_ERROR) {
|
|
|
896 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
897 ngx_file_append_mode_n " \"%s\" failed",
|
|
|
898 file[i].name.data);
|
|
|
899
|
|
|
900 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
901 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
902 ngx_close_file_n " \"%s\" failed",
|
|
|
903 file[i].name.data);
|
|
|
904 }
|
|
|
905
|
|
|
906 continue;
|
|
|
907 }
|
|
|
908 #else
|
|
66
|
909 if (user != (ngx_uid_t) NGX_CONF_UNSET_UINT) {
|
|
2
|
910
|
|
|
911 if (ngx_file_info((const char *) file[i].name.data, &fi) == -1) {
|
|
|
912 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
913 ngx_file_info_n " \"%s\" failed",
|
|
|
914 file[i].name.data);
|
|
|
915
|
|
|
916 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
917 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
918 ngx_close_file_n " \"%s\" failed",
|
|
|
919 file[i].name.data);
|
|
|
920 }
|
|
|
921 }
|
|
|
922
|
|
16
|
923 if (fi.st_uid != user) {
|
|
|
924 if (chown((const char *) file[i].name.data, user, -1) == -1) {
|
|
|
925 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
926 "chown(\"%s\", %d) failed",
|
|
|
927 file[i].name.data, user);
|
|
|
928
|
|
|
929 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
930 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
931 ngx_close_file_n " \"%s\" failed",
|
|
|
932 file[i].name.data);
|
|
|
933 }
|
|
|
934 }
|
|
|
935 }
|
|
|
936
|
|
2
|
937 if ((fi.st_mode & (S_IRUSR|S_IWUSR)) != (S_IRUSR|S_IWUSR)) {
|
|
|
938
|
|
|
939 fi.st_mode |= (S_IRUSR|S_IWUSR);
|
|
|
940
|
|
|
941 if (chmod((const char *) file[i].name.data, fi.st_mode) == -1) {
|
|
|
942 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
16
|
943 "chmod() \"%s\" failed", file[i].name.data);
|
|
2
|
944
|
|
|
945 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
946 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
947 ngx_close_file_n " \"%s\" failed",
|
|
|
948 file[i].name.data);
|
|
|
949 }
|
|
|
950 }
|
|
|
951 }
|
|
0
|
952 }
|
|
|
953
|
|
|
954 if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) {
|
|
|
955 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
956 "fcntl(FD_CLOEXEC) \"%s\" failed",
|
|
|
957 file[i].name.data);
|
|
|
958
|
|
|
959 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
960 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
961 ngx_close_file_n " \"%s\" failed",
|
|
|
962 file[i].name.data);
|
|
|
963 }
|
|
|
964
|
|
|
965 continue;
|
|
|
966 }
|
|
|
967 #endif
|
|
|
968
|
|
|
969 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
970 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
971 ngx_close_file_n " \"%s\" failed",
|
|
|
972 file[i].name.data);
|
|
|
973 }
|
|
|
974
|
|
|
975 file[i].fd = fd;
|
|
|
976 }
|
|
|
977
|
|
10
|
978 #if !(NGX_WIN32)
|
|
0
|
979
|
|
|
980 if (cycle->log->file->fd != STDERR_FILENO) {
|
|
|
981 if (dup2(cycle->log->file->fd, STDERR_FILENO) == -1) {
|
|
|
982 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
983 "dup2(STDERR) failed");
|
|
|
984 }
|
|
|
985 }
|
|
|
986
|
|
|
987 #endif
|
|
|
988 }
|
|
|
989
|
|
|
990
|
|
112
|
991 static void
|
|
|
992 ngx_clean_old_cycles(ngx_event_t *ev)
|
|
0
|
993 {
|
|
|
994 ngx_uint_t i, n, found, live;
|
|
|
995 ngx_log_t *log;
|
|
|
996 ngx_cycle_t **cycle;
|
|
|
997
|
|
|
998 log = ngx_cycle->log;
|
|
|
999 ngx_temp_pool->log = log;
|
|
|
1000
|
|
|
1001 ngx_log_debug0(NGX_LOG_DEBUG_CORE, log, 0, "clean old cycles");
|
|
|
1002
|
|
|
1003 live = 0;
|
|
|
1004
|
|
|
1005 cycle = ngx_old_cycles.elts;
|
|
|
1006 for (i = 0; i < ngx_old_cycles.nelts; i++) {
|
|
|
1007
|
|
|
1008 if (cycle[i] == NULL) {
|
|
|
1009 continue;
|
|
|
1010 }
|
|
|
1011
|
|
|
1012 found = 0;
|
|
|
1013
|
|
|
1014 for (n = 0; n < cycle[i]->connection_n; n++) {
|
|
110
|
1015 if (cycle[i]->connections[n].fd != (ngx_socket_t) -1) {
|
|
0
|
1016 found = 1;
|
|
|
1017
|
|
|
1018 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "live fd:%d", n);
|
|
|
1019
|
|
|
1020 break;
|
|
|
1021 }
|
|
|
1022 }
|
|
|
1023
|
|
|
1024 if (found) {
|
|
|
1025 live = 1;
|
|
|
1026 continue;
|
|
|
1027 }
|
|
|
1028
|
|
|
1029 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "clean old cycle: %d", i);
|
|
|
1030
|
|
|
1031 ngx_destroy_pool(cycle[i]->pool);
|
|
|
1032 cycle[i] = NULL;
|
|
|
1033 }
|
|
|
1034
|
|
|
1035 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "old cycles status: %d", live);
|
|
|
1036
|
|
|
1037 if (live) {
|
|
|
1038 ngx_add_timer(ev, 30000);
|
|
|
1039
|
|
|
1040 } else {
|
|
|
1041 ngx_destroy_pool(ngx_temp_pool);
|
|
|
1042 ngx_temp_pool = NULL;
|
|
|
1043 ngx_old_cycles.nelts = 0;
|
|
|
1044 }
|
|
|
1045 }
|
