|
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 #include <nginx.h>
|
|
|
11
|
|
|
12
|
|
|
13 static ngx_int_t ngx_add_inherited_sockets(ngx_cycle_t *cycle);
|
|
2
|
14 static ngx_int_t ngx_getopt(ngx_cycle_t *cycle, int argc, char *const *argv);
|
|
|
15 static ngx_int_t ngx_save_argv(ngx_cycle_t *cycle, int argc, char *const *argv);
|
|
0
|
16 static void *ngx_core_module_create_conf(ngx_cycle_t *cycle);
|
|
|
17 static char *ngx_core_module_init_conf(ngx_cycle_t *cycle, void *conf);
|
|
|
18 static char *ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
|
|
22
|
19 static char *ngx_set_priority(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
|
|
126
|
20 static char *ngx_set_cpu_affinity(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
21 void *conf);
|
|
0
|
22
|
|
|
23
|
|
10
|
24 static ngx_conf_enum_t ngx_debug_points[] = {
|
|
|
25 { ngx_string("stop"), NGX_DEBUG_POINTS_STOP },
|
|
|
26 { ngx_string("abort"), NGX_DEBUG_POINTS_ABORT },
|
|
|
27 { ngx_null_string, 0 }
|
|
126
|
28 };
|
|
10
|
29
|
|
|
30
|
|
0
|
31 static ngx_command_t ngx_core_commands[] = {
|
|
|
32
|
|
|
33 { ngx_string("daemon"),
|
|
112
|
34 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_FLAG,
|
|
0
|
35 ngx_conf_set_flag_slot,
|
|
|
36 0,
|
|
|
37 offsetof(ngx_core_conf_t, daemon),
|
|
|
38 NULL },
|
|
|
39
|
|
|
40 { ngx_string("master_process"),
|
|
112
|
41 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_FLAG,
|
|
0
|
42 ngx_conf_set_flag_slot,
|
|
|
43 0,
|
|
|
44 offsetof(ngx_core_conf_t, master),
|
|
|
45 NULL },
|
|
|
46
|
|
112
|
47 { ngx_string("timer_resolution"),
|
|
|
48 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
49 ngx_conf_set_msec_slot,
|
|
|
50 0,
|
|
|
51 offsetof(ngx_core_conf_t, timer_resolution),
|
|
|
52 NULL },
|
|
|
53
|
|
92
|
54 { ngx_string("pid"),
|
|
|
55 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
56 ngx_conf_set_str_slot,
|
|
|
57 0,
|
|
|
58 offsetof(ngx_core_conf_t, pid),
|
|
|
59 NULL },
|
|
|
60
|
|
160
|
61 { ngx_string("lock_file"),
|
|
|
62 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
63 ngx_conf_set_str_slot,
|
|
|
64 0,
|
|
|
65 offsetof(ngx_core_conf_t, lock_file),
|
|
|
66 NULL },
|
|
|
67
|
|
0
|
68 { ngx_string("worker_processes"),
|
|
|
69 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
70 ngx_conf_set_num_slot,
|
|
|
71 0,
|
|
|
72 offsetof(ngx_core_conf_t, worker_processes),
|
|
|
73 NULL },
|
|
|
74
|
|
10
|
75 { ngx_string("debug_points"),
|
|
|
76 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
77 ngx_conf_set_enum_slot,
|
|
|
78 0,
|
|
|
79 offsetof(ngx_core_conf_t, debug_points),
|
|
|
80 &ngx_debug_points },
|
|
|
81
|
|
92
|
82 { ngx_string("user"),
|
|
|
83 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE12,
|
|
|
84 ngx_set_user,
|
|
|
85 0,
|
|
|
86 0,
|
|
|
87 NULL },
|
|
|
88
|
|
|
89 { ngx_string("worker_priority"),
|
|
|
90 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
91 ngx_set_priority,
|
|
|
92 0,
|
|
|
93 0,
|
|
|
94 NULL },
|
|
|
95
|
|
126
|
96 { ngx_string("worker_cpu_affinity"),
|
|
|
97 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_1MORE,
|
|
|
98 ngx_set_cpu_affinity,
|
|
|
99 0,
|
|
|
100 0,
|
|
|
101 NULL },
|
|
|
102
|
|
92
|
103 { ngx_string("worker_rlimit_nofile"),
|
|
|
104 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
105 ngx_conf_set_num_slot,
|
|
|
106 0,
|
|
|
107 offsetof(ngx_core_conf_t, rlimit_nofile),
|
|
|
108 NULL },
|
|
|
109
|
|
138
|
110 { ngx_string("worker_rlimit_core"),
|
|
|
111 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
112 ngx_conf_set_num_slot,
|
|
|
113 0,
|
|
|
114 offsetof(ngx_core_conf_t, rlimit_core),
|
|
|
115 NULL },
|
|
|
116
|
|
92
|
117 { ngx_string("worker_rlimit_sigpending"),
|
|
|
118 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
119 ngx_conf_set_num_slot,
|
|
|
120 0,
|
|
|
121 offsetof(ngx_core_conf_t, rlimit_sigpending),
|
|
|
122 NULL },
|
|
|
123
|
|
|
124 { ngx_string("working_directory"),
|
|
|
125 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
126 ngx_conf_set_str_slot,
|
|
|
127 0,
|
|
|
128 offsetof(ngx_core_conf_t, working_directory),
|
|
|
129 NULL },
|
|
|
130
|
|
0
|
131 #if (NGX_THREADS)
|
|
|
132
|
|
|
133 { ngx_string("worker_threads"),
|
|
|
134 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
135 ngx_conf_set_num_slot,
|
|
|
136 0,
|
|
|
137 offsetof(ngx_core_conf_t, worker_threads),
|
|
|
138 NULL },
|
|
|
139
|
|
|
140 { ngx_string("thread_stack_size"),
|
|
|
141 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
142 ngx_conf_set_size_slot,
|
|
|
143 0,
|
|
|
144 offsetof(ngx_core_conf_t, thread_stack_size),
|
|
|
145 NULL },
|
|
|
146
|
|
|
147 #endif
|
|
|
148
|
|
|
149 ngx_null_command
|
|
|
150 };
|
|
|
151
|
|
|
152
|
|
|
153 static ngx_core_module_t ngx_core_module_ctx = {
|
|
|
154 ngx_string("core"),
|
|
|
155 ngx_core_module_create_conf,
|
|
|
156 ngx_core_module_init_conf
|
|
|
157 };
|
|
|
158
|
|
|
159
|
|
|
160 ngx_module_t ngx_core_module = {
|
|
58
|
161 NGX_MODULE_V1,
|
|
0
|
162 &ngx_core_module_ctx, /* module context */
|
|
|
163 ngx_core_commands, /* module directives */
|
|
|
164 NGX_CORE_MODULE, /* module type */
|
|
90
|
165 NULL, /* init master */
|
|
0
|
166 NULL, /* init module */
|
|
90
|
167 NULL, /* init process */
|
|
|
168 NULL, /* init thread */
|
|
|
169 NULL, /* exit thread */
|
|
|
170 NULL, /* exit process */
|
|
|
171 NULL, /* exit master */
|
|
|
172 NGX_MODULE_V1_PADDING
|
|
0
|
173 };
|
|
|
174
|
|
|
175
|
|
|
176 ngx_uint_t ngx_max_module;
|
|
|
177
|
|
188
|
178 static ngx_uint_t ngx_show_version;
|
|
|
179
|
|
|
180 static char *ngx_null_environ = NULL;
|
|
150
|
181
|
|
0
|
182
|
|
52
|
183 int ngx_cdecl
|
|
48
|
184 main(int argc, char *const *argv)
|
|
0
|
185 {
|
|
2
|
186 ngx_int_t i;
|
|
|
187 ngx_log_t *log;
|
|
|
188 ngx_cycle_t *cycle, init_cycle;
|
|
|
189 ngx_core_conf_t *ccf;
|
|
0
|
190
|
|
4
|
191 #if (NGX_FREEBSD)
|
|
0
|
192 ngx_debug_init();
|
|
|
193 #endif
|
|
|
194
|
|
|
195 /* TODO */ ngx_max_sockets = -1;
|
|
|
196
|
|
|
197 ngx_time_init();
|
|
|
198
|
|
4
|
199 #if (NGX_PCRE)
|
|
0
|
200 ngx_regex_init();
|
|
|
201 #endif
|
|
|
202
|
|
|
203 ngx_pid = ngx_getpid();
|
|
|
204
|
|
50
|
205 log = ngx_log_init();
|
|
|
206 if (log == NULL) {
|
|
0
|
207 return 1;
|
|
|
208 }
|
|
|
209
|
|
90
|
210 /* STUB */
|
|
0
|
211 #if (NGX_OPENSSL)
|
|
|
212 ngx_ssl_init(log);
|
|
|
213 #endif
|
|
|
214
|
|
|
215 /* init_cycle->log is required for signal handlers and ngx_getopt() */
|
|
|
216
|
|
|
217 ngx_memzero(&init_cycle, sizeof(ngx_cycle_t));
|
|
|
218 init_cycle.log = log;
|
|
|
219 ngx_cycle = &init_cycle;
|
|
|
220
|
|
50
|
221 init_cycle.pool = ngx_create_pool(1024, log);
|
|
|
222 if (init_cycle.pool == NULL) {
|
|
0
|
223 return 1;
|
|
|
224 }
|
|
|
225
|
|
160
|
226 if (ngx_save_argv(&init_cycle, argc, argv) != NGX_OK) {
|
|
2
|
227 return 1;
|
|
|
228 }
|
|
|
229
|
|
160
|
230 if (ngx_getopt(&init_cycle, argc, ngx_argv) != NGX_OK) {
|
|
0
|
231 return 1;
|
|
|
232 }
|
|
|
233
|
|
188
|
234 if (ngx_show_version) {
|
|
|
235 ngx_write_fd(ngx_stderr_fileno, "nginx version: " NGINX_VER CRLF,
|
|
|
236 sizeof("nginx version: " NGINX_VER CRLF) - 1);
|
|
|
237
|
|
|
238 #ifdef NGX_COMPILER
|
|
|
239 ngx_write_fd(ngx_stderr_fileno, "built by " NGX_COMPILER CRLF,
|
|
|
240 sizeof("built by " NGX_COMPILER CRLF) - 1);
|
|
|
241 #endif
|
|
190
|
242 if (!ngx_test_config) {
|
|
|
243 return 0;
|
|
|
244 }
|
|
188
|
245 }
|
|
|
246
|
|
0
|
247 if (ngx_test_config) {
|
|
|
248 log->log_level = NGX_LOG_INFO;
|
|
|
249 }
|
|
|
250
|
|
160
|
251 if (ngx_os_init(log) != NGX_OK) {
|
|
0
|
252 return 1;
|
|
|
253 }
|
|
|
254
|
|
160
|
255 if (ngx_add_inherited_sockets(&init_cycle) != NGX_OK) {
|
|
0
|
256 return 1;
|
|
|
257 }
|
|
|
258
|
|
150
|
259 environ = &ngx_null_environ;
|
|
|
260
|
|
0
|
261 ngx_max_module = 0;
|
|
|
262 for (i = 0; ngx_modules[i]; i++) {
|
|
|
263 ngx_modules[i]->index = ngx_max_module++;
|
|
|
264 }
|
|
|
265
|
|
|
266 cycle = ngx_init_cycle(&init_cycle);
|
|
|
267 if (cycle == NULL) {
|
|
|
268 if (ngx_test_config) {
|
|
|
269 ngx_log_error(NGX_LOG_EMERG, log, 0,
|
|
106
|
270 "the configuration file %s test failed",
|
|
0
|
271 init_cycle.conf_file.data);
|
|
|
272 }
|
|
|
273
|
|
|
274 return 1;
|
|
|
275 }
|
|
|
276
|
|
|
277 if (ngx_test_config) {
|
|
|
278 ngx_log_error(NGX_LOG_INFO, log, 0,
|
|
106
|
279 "the configuration file %s was tested successfully",
|
|
4
|
280 cycle->conf_file.data);
|
|
0
|
281 return 0;
|
|
|
282 }
|
|
|
283
|
|
|
284 ngx_os_status(cycle->log);
|
|
|
285
|
|
|
286 ngx_cycle = cycle;
|
|
|
287
|
|
|
288 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
289
|
|
|
290 ngx_process = ccf->master ? NGX_PROCESS_MASTER : NGX_PROCESS_SINGLE;
|
|
|
291
|
|
10
|
292 #if (NGX_WIN32)
|
|
0
|
293
|
|
|
294 #if 0
|
|
|
295
|
|
|
296 TODO:
|
|
|
297
|
|
|
298 if (ccf->run_as_service) {
|
|
160
|
299 if (ngx_service(cycle->log) != NGX_OK) {
|
|
0
|
300 return 1;
|
|
|
301 }
|
|
|
302
|
|
|
303 return 0;
|
|
|
304 }
|
|
|
305 #endif
|
|
|
306
|
|
|
307 #else
|
|
|
308
|
|
160
|
309 if (ngx_init_signals(cycle->log) != NGX_OK) {
|
|
88
|
310 return 1;
|
|
|
311 }
|
|
|
312
|
|
0
|
313 if (!ngx_inherited && ccf->daemon) {
|
|
160
|
314 if (ngx_daemon(cycle->log) != NGX_OK) {
|
|
0
|
315 return 1;
|
|
|
316 }
|
|
|
317
|
|
|
318 ngx_daemonized = 1;
|
|
|
319 }
|
|
|
320
|
|
160
|
321 if (ngx_create_pidfile(&ccf->pid, cycle->log) != NGX_OK) {
|
|
0
|
322 return 1;
|
|
|
323 }
|
|
|
324
|
|
|
325 #endif
|
|
|
326
|
|
|
327 if (ngx_process == NGX_PROCESS_MASTER) {
|
|
2
|
328 ngx_master_process_cycle(cycle);
|
|
0
|
329
|
|
|
330 } else {
|
|
2
|
331 ngx_single_process_cycle(cycle);
|
|
0
|
332 }
|
|
|
333
|
|
|
334 return 0;
|
|
|
335 }
|
|
|
336
|
|
|
337
|
|
48
|
338 static ngx_int_t
|
|
|
339 ngx_add_inherited_sockets(ngx_cycle_t *cycle)
|
|
0
|
340 {
|
|
50
|
341 u_char *p, *v, *inherited;
|
|
|
342 ngx_int_t s;
|
|
|
343 ngx_listening_t *ls;
|
|
0
|
344
|
|
|
345 inherited = (u_char *) getenv(NGINX_VAR);
|
|
|
346
|
|
|
347 if (inherited == NULL) {
|
|
|
348 return NGX_OK;
|
|
|
349 }
|
|
|
350
|
|
10
|
351 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0,
|
|
0
|
352 "using inherited sockets from \"%s\"", inherited);
|
|
|
353
|
|
10
|
354 if (ngx_array_init(&cycle->listening, cycle->pool, 10,
|
|
242
|
355 sizeof(ngx_listening_t))
|
|
|
356 == NGX_ERROR)
|
|
10
|
357 {
|
|
|
358 return NGX_ERROR;
|
|
|
359 }
|
|
0
|
360
|
|
|
361 for (p = inherited, v = p; *p; p++) {
|
|
|
362 if (*p == ':' || *p == ';') {
|
|
|
363 s = ngx_atoi(v, p - v);
|
|
|
364 if (s == NGX_ERROR) {
|
|
|
365 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
86
|
366 "invalid socket number \"%s\" in " NGINX_VAR
|
|
|
367 " environment variable, ignoring the rest"
|
|
|
368 " of the variable", v);
|
|
0
|
369 break;
|
|
|
370 }
|
|
|
371
|
|
|
372 v = p + 1;
|
|
|
373
|
|
50
|
374 ls = ngx_array_push(&cycle->listening);
|
|
|
375 if (ls == NULL) {
|
|
0
|
376 return NGX_ERROR;
|
|
|
377 }
|
|
|
378
|
|
72
|
379 ngx_memzero(ls, sizeof(ngx_listening_t));
|
|
|
380
|
|
50
|
381 ls->fd = (ngx_socket_t) s;
|
|
0
|
382 }
|
|
|
383 }
|
|
|
384
|
|
|
385 ngx_inherited = 1;
|
|
|
386
|
|
|
387 return ngx_set_inherited_sockets(cycle);
|
|
|
388 }
|
|
|
389
|
|
|
390
|
|
92
|
391 ngx_pid_t
|
|
|
392 ngx_exec_new_binary(ngx_cycle_t *cycle, char *const *argv)
|
|
0
|
393 {
|
|
10
|
394 char *env[3], *var;
|
|
|
395 u_char *p;
|
|
0
|
396 ngx_uint_t i;
|
|
|
397 ngx_pid_t pid;
|
|
|
398 ngx_exec_ctx_t ctx;
|
|
92
|
399 ngx_core_conf_t *ccf;
|
|
0
|
400 ngx_listening_t *ls;
|
|
|
401
|
|
|
402 ctx.path = argv[0];
|
|
|
403 ctx.name = "new binary process";
|
|
|
404 ctx.argv = argv;
|
|
|
405
|
|
|
406 var = ngx_alloc(sizeof(NGINX_VAR)
|
|
50
|
407 + cycle->listening.nelts * (NGX_INT32_LEN + 1) + 2,
|
|
0
|
408 cycle->log);
|
|
|
409
|
|
10
|
410 p = ngx_cpymem(var, NGINX_VAR "=", sizeof(NGINX_VAR));
|
|
0
|
411
|
|
|
412 ls = cycle->listening.elts;
|
|
|
413 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
10
|
414 p = ngx_sprintf(p, "%ud;", ls[i].fd);
|
|
0
|
415 }
|
|
|
416
|
|
10
|
417 *p = '\0';
|
|
|
418
|
|
0
|
419 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, "inherited: %s", var);
|
|
|
420
|
|
|
421 env[0] = var;
|
|
2
|
422
|
|
|
423 #if (NGX_SETPROCTITLE_USES_ENV)
|
|
|
424
|
|
10
|
425 /* allocate the spare 300 bytes for the new binary process title */
|
|
2
|
426
|
|
|
427 env[1] = "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
428 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
429 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
430 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
431 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
|
|
|
432
|
|
|
433 env[2] = NULL;
|
|
|
434
|
|
|
435 #else
|
|
|
436
|
|
0
|
437 env[1] = NULL;
|
|
2
|
438
|
|
|
439 #endif
|
|
|
440
|
|
0
|
441 ctx.envp = (char *const *) &env;
|
|
|
442
|
|
92
|
443 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
444
|
|
182
|
445 if (ngx_rename_file(ccf->pid.data, ccf->oldpid.data)
|
|
92
|
446 != NGX_OK)
|
|
|
447 {
|
|
|
448 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
449 ngx_rename_file_n " %s to %s failed "
|
|
|
450 "before executing new binary process \"%s\"",
|
|
|
451 ccf->pid.data, ccf->oldpid.data, argv[0]);
|
|
|
452
|
|
|
453 ngx_free(var);
|
|
|
454
|
|
|
455 return NGX_INVALID_PID;
|
|
|
456 }
|
|
|
457
|
|
0
|
458 pid = ngx_execute(cycle, &ctx);
|
|
|
459
|
|
92
|
460 if (pid == NGX_INVALID_PID) {
|
|
182
|
461 if (ngx_rename_file(ccf->oldpid.data, ccf->pid.data)
|
|
92
|
462 != NGX_OK)
|
|
|
463 {
|
|
|
464 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
465 ngx_rename_file_n " %s back to %s failed "
|
|
|
466 "after try to executing new binary process \"%s\"",
|
|
|
467 ccf->oldpid.data, ccf->pid.data, argv[0]);
|
|
|
468 }
|
|
|
469 }
|
|
|
470
|
|
0
|
471 ngx_free(var);
|
|
|
472
|
|
|
473 return pid;
|
|
|
474 }
|
|
|
475
|
|
|
476
|
|
92
|
477 static ngx_int_t
|
|
|
478 ngx_getopt(ngx_cycle_t *cycle, int argc, char *const *argv)
|
|
0
|
479 {
|
|
|
480 ngx_int_t i;
|
|
|
481
|
|
2
|
482 for (i = 1; i < argc; i++) {
|
|
|
483 if (argv[i][0] != '-') {
|
|
0
|
484 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
2
|
485 "invalid option: \"%s\"", argv[i]);
|
|
0
|
486 return NGX_ERROR;
|
|
|
487 }
|
|
|
488
|
|
2
|
489 switch (argv[i][1]) {
|
|
0
|
490
|
|
188
|
491 case 'v':
|
|
|
492 ngx_show_version = 1;
|
|
|
493 break;
|
|
|
494
|
|
0
|
495 case 't':
|
|
|
496 ngx_test_config = 1;
|
|
|
497 break;
|
|
|
498
|
|
|
499 case 'c':
|
|
2
|
500 if (argv[i + 1] == NULL) {
|
|
0
|
501 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
502 "the option: \"%s\" requires file name",
|
|
2
|
503 argv[i]);
|
|
0
|
504 return NGX_ERROR;
|
|
|
505 }
|
|
|
506
|
|
2
|
507 cycle->conf_file.data = (u_char *) argv[++i];
|
|
0
|
508 cycle->conf_file.len = ngx_strlen(cycle->conf_file.data);
|
|
|
509 break;
|
|
|
510
|
|
|
511 default:
|
|
|
512 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
2
|
513 "invalid option: \"%s\"", argv[i]);
|
|
0
|
514 return NGX_ERROR;
|
|
|
515 }
|
|
|
516 }
|
|
|
517
|
|
|
518 if (cycle->conf_file.data == NULL) {
|
|
|
519 cycle->conf_file.len = sizeof(NGX_CONF_PATH) - 1;
|
|
|
520 cycle->conf_file.data = (u_char *) NGX_CONF_PATH;
|
|
|
521 }
|
|
|
522
|
|
|
523 if (ngx_conf_full_name(cycle, &cycle->conf_file) == NGX_ERROR) {
|
|
|
524 return NGX_ERROR;
|
|
|
525 }
|
|
|
526
|
|
|
527 return NGX_OK;
|
|
|
528 }
|
|
|
529
|
|
|
530
|
|
48
|
531 static ngx_int_t
|
|
|
532 ngx_save_argv(ngx_cycle_t *cycle, int argc, char *const *argv)
|
|
2
|
533 {
|
|
50
|
534 #if (NGX_FREEBSD)
|
|
|
535
|
|
|
536 ngx_os_argv = (char **) argv;
|
|
|
537 ngx_argc = argc;
|
|
|
538 ngx_argv = (char **) argv;
|
|
|
539
|
|
|
540 #else
|
|
2
|
541 size_t len;
|
|
|
542 ngx_int_t i;
|
|
|
543
|
|
|
544 ngx_os_argv = (char **) argv;
|
|
|
545 ngx_argc = argc;
|
|
|
546
|
|
50
|
547 ngx_argv = ngx_alloc((argc + 1) * sizeof(char *), cycle->log);
|
|
|
548 if (ngx_argv == NULL) {
|
|
2
|
549 return NGX_ERROR;
|
|
|
550 }
|
|
|
551
|
|
|
552 for (i = 0; i < argc; i++) {
|
|
|
553 len = ngx_strlen(argv[i]) + 1;
|
|
|
554
|
|
50
|
555 ngx_argv[i] = ngx_alloc(len, cycle->log);
|
|
|
556 if (ngx_argv[i] == NULL) {
|
|
2
|
557 return NGX_ERROR;
|
|
|
558 }
|
|
|
559
|
|
66
|
560 (void) ngx_cpystrn((u_char *) ngx_argv[i], (u_char *) argv[i], len);
|
|
2
|
561 }
|
|
|
562
|
|
|
563 ngx_argv[i] = NULL;
|
|
|
564
|
|
|
565 #endif
|
|
|
566
|
|
|
567 return NGX_OK;
|
|
|
568 }
|
|
|
569
|
|
|
570
|
|
48
|
571 static void *
|
|
|
572 ngx_core_module_create_conf(ngx_cycle_t *cycle)
|
|
0
|
573 {
|
|
|
574 ngx_core_conf_t *ccf;
|
|
|
575
|
|
50
|
576 ccf = ngx_pcalloc(cycle->pool, sizeof(ngx_core_conf_t));
|
|
|
577 if (ccf == NULL) {
|
|
0
|
578 return NULL;
|
|
|
579 }
|
|
28
|
580
|
|
|
581 /*
|
|
|
582 * set by pcalloc()
|
|
0
|
583 *
|
|
28
|
584 * ccf->pid = NULL;
|
|
92
|
585 * ccf->oldpid = NULL;
|
|
28
|
586 * ccf->priority = 0;
|
|
126
|
587 * ccf->cpu_affinity_n = 0;
|
|
|
588 * ccf->cpu_affinity = NULL;
|
|
0
|
589 */
|
|
28
|
590
|
|
0
|
591 ccf->daemon = NGX_CONF_UNSET;
|
|
|
592 ccf->master = NGX_CONF_UNSET;
|
|
112
|
593 ccf->timer_resolution = NGX_CONF_UNSET_MSEC;
|
|
|
594
|
|
0
|
595 ccf->worker_processes = NGX_CONF_UNSET;
|
|
10
|
596 ccf->debug_points = NGX_CONF_UNSET;
|
|
92
|
597
|
|
|
598 ccf->rlimit_nofile = NGX_CONF_UNSET;
|
|
138
|
599 ccf->rlimit_core = NGX_CONF_UNSET;
|
|
92
|
600 ccf->rlimit_sigpending = NGX_CONF_UNSET;
|
|
|
601
|
|
66
|
602 ccf->user = (ngx_uid_t) NGX_CONF_UNSET_UINT;
|
|
|
603 ccf->group = (ngx_gid_t) NGX_CONF_UNSET_UINT;
|
|
92
|
604
|
|
0
|
605 #if (NGX_THREADS)
|
|
|
606 ccf->worker_threads = NGX_CONF_UNSET;
|
|
10
|
607 ccf->thread_stack_size = NGX_CONF_UNSET_SIZE;
|
|
0
|
608 #endif
|
|
|
609
|
|
|
610 return ccf;
|
|
|
611 }
|
|
|
612
|
|
|
613
|
|
48
|
614 static char *
|
|
|
615 ngx_core_module_init_conf(ngx_cycle_t *cycle, void *conf)
|
|
0
|
616 {
|
|
|
617 ngx_core_conf_t *ccf = conf;
|
|
|
618
|
|
10
|
619 #if !(NGX_WIN32)
|
|
0
|
620 struct passwd *pwd;
|
|
|
621 struct group *grp;
|
|
|
622 #endif
|
|
|
623
|
|
|
624 ngx_conf_init_value(ccf->daemon, 1);
|
|
|
625 ngx_conf_init_value(ccf->master, 1);
|
|
112
|
626 ngx_conf_init_msec_value(ccf->timer_resolution, 0);
|
|
|
627
|
|
0
|
628 ngx_conf_init_value(ccf->worker_processes, 1);
|
|
10
|
629 ngx_conf_init_value(ccf->debug_points, 0);
|
|
0
|
630
|
|
126
|
631 #if (NGX_HAVE_SCHED_SETAFFINITY)
|
|
|
632
|
|
|
633 if (ccf->cpu_affinity_n
|
|
|
634 && ccf->cpu_affinity_n != 1
|
|
|
635 && ccf->cpu_affinity_n != (ngx_uint_t) ccf->worker_processes)
|
|
|
636 {
|
|
|
637 ngx_log_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
638 "number of the \"worker_processes\" is not equal to "
|
|
|
639 "the number of the \"worker_cpu_affinity\" mask, "
|
|
|
640 "using last mask for remaining worker processes");
|
|
|
641 }
|
|
|
642
|
|
|
643 #endif
|
|
|
644
|
|
0
|
645 #if (NGX_THREADS)
|
|
126
|
646
|
|
0
|
647 ngx_conf_init_value(ccf->worker_threads, 0);
|
|
|
648 ngx_threads_n = ccf->worker_threads;
|
|
|
649 ngx_conf_init_size_value(ccf->thread_stack_size, 2 * 1024 * 1024);
|
|
126
|
650
|
|
0
|
651 #endif
|
|
|
652
|
|
10
|
653 #if !(NGX_WIN32)
|
|
0
|
654
|
|
66
|
655 if (ccf->user == (uid_t) NGX_CONF_UNSET_UINT && geteuid() == 0) {
|
|
0
|
656
|
|
4
|
657 pwd = getpwnam(NGX_USER);
|
|
0
|
658 if (pwd == NULL) {
|
|
|
659 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
4
|
660 "getpwnam(\"" NGX_USER "\") failed");
|
|
0
|
661 return NGX_CONF_ERROR;
|
|
|
662 }
|
|
|
663
|
|
22
|
664 ccf->username = NGX_USER;
|
|
0
|
665 ccf->user = pwd->pw_uid;
|
|
|
666
|
|
4
|
667 grp = getgrnam(NGX_GROUP);
|
|
0
|
668 if (grp == NULL) {
|
|
|
669 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
4
|
670 "getgrnam(\"" NGX_GROUP "\") failed");
|
|
0
|
671 return NGX_CONF_ERROR;
|
|
|
672 }
|
|
|
673
|
|
|
674 ccf->group = grp->gr_gid;
|
|
|
675 }
|
|
|
676
|
|
|
677 if (ccf->pid.len == 0) {
|
|
|
678 ccf->pid.len = sizeof(NGX_PID_PATH) - 1;
|
|
2
|
679 ccf->pid.data = (u_char *) NGX_PID_PATH;
|
|
0
|
680 }
|
|
|
681
|
|
|
682 if (ngx_conf_full_name(cycle, &ccf->pid) == NGX_ERROR) {
|
|
|
683 return NGX_CONF_ERROR;
|
|
|
684 }
|
|
|
685
|
|
92
|
686 ccf->oldpid.len = ccf->pid.len + sizeof(NGX_OLDPID_EXT);
|
|
0
|
687
|
|
92
|
688 ccf->oldpid.data = ngx_palloc(cycle->pool, ccf->oldpid.len);
|
|
|
689 if (ccf->oldpid.data == NULL) {
|
|
0
|
690 return NGX_CONF_ERROR;
|
|
|
691 }
|
|
|
692
|
|
92
|
693 ngx_memcpy(ngx_cpymem(ccf->oldpid.data, ccf->pid.data, ccf->pid.len),
|
|
|
694 NGX_OLDPID_EXT, sizeof(NGX_OLDPID_EXT));
|
|
0
|
695
|
|
160
|
696 if (ccf->lock_file.len == 0) {
|
|
|
697 ccf->lock_file.len = sizeof(NGX_LOCK_PATH) - 1;
|
|
|
698 ccf->lock_file.data = (u_char *) NGX_LOCK_PATH;
|
|
|
699 }
|
|
|
700
|
|
|
701 if (ngx_conf_full_name(cycle, &ccf->lock_file) == NGX_ERROR) {
|
|
|
702 return NGX_CONF_ERROR;
|
|
|
703 }
|
|
|
704
|
|
0
|
705 #endif
|
|
|
706
|
|
|
707 return NGX_CONF_OK;
|
|
|
708 }
|
|
|
709
|
|
|
710
|
|
48
|
711 static char *
|
|
|
712 ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
0
|
713 {
|
|
10
|
714 #if (NGX_WIN32)
|
|
0
|
715
|
|
|
716 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
717 "\"user\" is not supported, ignored");
|
|
|
718
|
|
|
719 return NGX_CONF_OK;
|
|
|
720
|
|
|
721 #else
|
|
|
722
|
|
|
723 ngx_core_conf_t *ccf = conf;
|
|
|
724
|
|
4
|
725 char *group;
|
|
0
|
726 struct passwd *pwd;
|
|
|
727 struct group *grp;
|
|
|
728 ngx_str_t *value;
|
|
|
729
|
|
66
|
730 if (ccf->user != (uid_t) NGX_CONF_UNSET_UINT) {
|
|
0
|
731 return "is duplicate";
|
|
|
732 }
|
|
|
733
|
|
4
|
734 if (geteuid() != 0) {
|
|
|
735 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
736 "the \"user\" directive makes sense only "
|
|
|
737 "if the master process runs "
|
|
|
738 "with super-user privileges, ignored");
|
|
|
739 return NGX_CONF_OK;
|
|
|
740 }
|
|
|
741
|
|
0
|
742 value = (ngx_str_t *) cf->args->elts;
|
|
|
743
|
|
22
|
744 ccf->username = (char *) value[1].data;
|
|
|
745
|
|
0
|
746 pwd = getpwnam((const char *) value[1].data);
|
|
|
747 if (pwd == NULL) {
|
|
|
748 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
2
|
749 "getpwnam(\"%s\") failed", value[1].data);
|
|
0
|
750 return NGX_CONF_ERROR;
|
|
|
751 }
|
|
|
752
|
|
|
753 ccf->user = pwd->pw_uid;
|
|
|
754
|
|
4
|
755 group = (char *) ((cf->args->nelts == 2) ? value[1].data : value[2].data);
|
|
0
|
756
|
|
4
|
757 grp = getgrnam(group);
|
|
0
|
758 if (grp == NULL) {
|
|
|
759 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
4
|
760 "getgrnam(\"%s\") failed", group);
|
|
0
|
761 return NGX_CONF_ERROR;
|
|
|
762 }
|
|
|
763
|
|
|
764 ccf->group = grp->gr_gid;
|
|
|
765
|
|
|
766 return NGX_CONF_OK;
|
|
|
767
|
|
|
768 #endif
|
|
|
769 }
|
|
22
|
770
|
|
|
771
|
|
48
|
772 static char *
|
|
|
773 ngx_set_priority(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
22
|
774 {
|
|
|
775 ngx_core_conf_t *ccf = conf;
|
|
|
776
|
|
|
777 ngx_str_t *value;
|
|
|
778 ngx_uint_t n, minus;
|
|
|
779
|
|
|
780 if (ccf->priority != 0) {
|
|
|
781 return "is duplicate";
|
|
|
782 }
|
|
|
783
|
|
|
784 value = cf->args->elts;
|
|
|
785
|
|
|
786 if (value[1].data[0] == '-') {
|
|
|
787 n = 1;
|
|
|
788 minus = 1;
|
|
|
789
|
|
|
790 } else if (value[1].data[0] == '+') {
|
|
|
791 n = 1;
|
|
|
792 minus = 0;
|
|
|
793
|
|
|
794 } else {
|
|
|
795 n = 0;
|
|
|
796 minus = 0;
|
|
|
797 }
|
|
|
798
|
|
|
799 ccf->priority = ngx_atoi(&value[1].data[n], value[1].len - n);
|
|
|
800 if (ccf->priority == NGX_ERROR) {
|
|
|
801 return "invalid number";
|
|
|
802 }
|
|
|
803
|
|
|
804 if (minus) {
|
|
|
805 ccf->priority = -ccf->priority;
|
|
|
806 }
|
|
|
807
|
|
|
808 return NGX_CONF_OK;
|
|
|
809 }
|
|
126
|
810
|
|
|
811
|
|
|
812 static char *
|
|
|
813 ngx_set_cpu_affinity(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
814 {
|
|
|
815 #if (NGX_HAVE_SCHED_SETAFFINITY)
|
|
|
816 ngx_core_conf_t *ccf = conf;
|
|
|
817
|
|
|
818 u_char ch;
|
|
|
819 u_long *mask;
|
|
|
820 ngx_str_t *value;
|
|
|
821 ngx_uint_t i, n;
|
|
|
822
|
|
|
823 if (ccf->cpu_affinity) {
|
|
|
824 return "is duplicate";
|
|
|
825 }
|
|
|
826
|
|
|
827 mask = ngx_palloc(cf->pool, (cf->args->nelts - 1) * sizeof(long));
|
|
|
828 if (mask == NULL) {
|
|
|
829 return NGX_CONF_ERROR;
|
|
|
830 }
|
|
|
831
|
|
|
832 ccf->cpu_affinity_n = cf->args->nelts - 1;
|
|
|
833 ccf->cpu_affinity = mask;
|
|
|
834
|
|
|
835 value = cf->args->elts;
|
|
|
836
|
|
|
837 for (n = 1; n < cf->args->nelts; n++) {
|
|
|
838
|
|
|
839 if (value[n].len > 32) {
|
|
|
840 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
841 "\"worker_cpu_affinity\" supports up to 32 CPU only");
|
|
|
842 return NGX_CONF_ERROR;
|
|
|
843 }
|
|
|
844
|
|
|
845 mask[n - 1] = 0;
|
|
|
846
|
|
|
847 for (i = 0; i < value[n].len; i++) {
|
|
|
848
|
|
|
849 ch = value[n].data[i];
|
|
|
850
|
|
|
851 if (ch == ' ') {
|
|
|
852 continue;
|
|
|
853 }
|
|
|
854
|
|
|
855 mask[n - 1] <<= 1;
|
|
|
856
|
|
|
857 if (ch == '0') {
|
|
|
858 continue;
|
|
|
859 }
|
|
|
860
|
|
|
861 if (ch == '1') {
|
|
|
862 mask[n - 1] |= 1;
|
|
|
863 continue;
|
|
|
864 }
|
|
|
865
|
|
|
866 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
867 "invalid character \"%c\" in \"worker_cpu_affinity\"",
|
|
|
868 ch);
|
|
|
869 return NGX_CONF_ERROR ;
|
|
|
870 }
|
|
|
871 }
|
|
|
872
|
|
|
873 #else
|
|
|
874
|
|
|
875 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
876 "\"worker_cpu_affinity\" is not supported "
|
|
|
877 "on this platform, ignored");
|
|
|
878 #endif
|
|
|
879
|
|
|
880 return NGX_CONF_OK;
|
|
|
881 }
|
|
|
882
|
|
|
883
|
|
|
884 u_long
|
|
|
885 ngx_get_cpu_affinity(ngx_uint_t n)
|
|
|
886 {
|
|
|
887 ngx_core_conf_t *ccf;
|
|
|
888
|
|
|
889 ccf = (ngx_core_conf_t *) ngx_get_conf(ngx_cycle->conf_ctx,
|
|
|
890 ngx_core_module);
|
|
|
891
|
|
|
892 if (ccf->cpu_affinity == NULL) {
|
|
|
893 return 0;
|
|
|
894 }
|
|
|
895
|
|
|
896 if (ccf->cpu_affinity_n > n) {
|
|
|
897 return ccf->cpu_affinity[n];
|
|
|
898 }
|
|
|
899
|
|
|
900 return ccf->cpu_affinity[ccf->cpu_affinity_n - 1];
|
|
|
901 }
|
