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