/src/unit/src/nxt_runtime.c
Line | Count | Source (jump to first uncovered line) |
1 | | |
2 | | /* |
3 | | * Copyright (C) Igor Sysoev |
4 | | * Copyright (C) Valentin V. Bartenev |
5 | | * Copyright (C) NGINX, Inc. |
6 | | */ |
7 | | |
8 | | #include <nxt_main.h> |
9 | | #include <nxt_runtime.h> |
10 | | #include <nxt_port.h> |
11 | | #include <nxt_main_process.h> |
12 | | #include <nxt_router.h> |
13 | | #include <nxt_regex.h> |
14 | | |
15 | | |
16 | | static nxt_int_t nxt_runtime_inherited_listen_sockets(nxt_task_t *task, |
17 | | nxt_runtime_t *rt); |
18 | | static nxt_int_t nxt_runtime_systemd_listen_sockets(nxt_task_t *task, |
19 | | nxt_runtime_t *rt); |
20 | | static nxt_int_t nxt_runtime_event_engines(nxt_task_t *task, nxt_runtime_t *rt); |
21 | | static nxt_int_t nxt_runtime_thread_pools(nxt_thread_t *thr, nxt_runtime_t *rt); |
22 | | static void nxt_runtime_start(nxt_task_t *task, void *obj, void *data); |
23 | | static void nxt_runtime_initial_start(nxt_task_t *task, nxt_uint_t status); |
24 | | static void nxt_runtime_close_idle_connections(nxt_event_engine_t *engine); |
25 | | static void nxt_runtime_stop_all_processes(nxt_task_t *task, nxt_runtime_t *rt); |
26 | | static void nxt_runtime_exit(nxt_task_t *task, void *obj, void *data); |
27 | | static nxt_int_t nxt_runtime_event_engine_change(nxt_task_t *task, |
28 | | nxt_runtime_t *rt); |
29 | | static nxt_int_t nxt_runtime_conf_init(nxt_task_t *task, nxt_runtime_t *rt); |
30 | | static nxt_int_t nxt_runtime_conf_read_cmd(nxt_task_t *task, nxt_runtime_t *rt); |
31 | | static nxt_int_t nxt_runtime_hostname(nxt_task_t *task, nxt_runtime_t *rt); |
32 | | static nxt_int_t nxt_runtime_log_files_init(nxt_runtime_t *rt); |
33 | | static nxt_int_t nxt_runtime_log_files_create(nxt_task_t *task, |
34 | | nxt_runtime_t *rt); |
35 | | static nxt_int_t nxt_runtime_pid_file_create(nxt_task_t *task, |
36 | | nxt_file_name_t *pid_file); |
37 | | static void nxt_runtime_thread_pool_destroy(nxt_task_t *task, nxt_runtime_t *rt, |
38 | | nxt_runtime_cont_t cont); |
39 | | static void nxt_runtime_thread_pool_init(void); |
40 | | static void nxt_runtime_thread_pool_exit(nxt_task_t *task, void *obj, |
41 | | void *data); |
42 | | static nxt_process_t *nxt_runtime_process_get(nxt_runtime_t *rt, nxt_pid_t pid); |
43 | | static void nxt_runtime_port_add(nxt_task_t *task, nxt_port_t *port); |
44 | | |
45 | | |
46 | | nxt_int_t |
47 | | nxt_runtime_create(nxt_task_t *task) |
48 | 0 | { |
49 | 0 | nxt_mp_t *mp; |
50 | 0 | nxt_int_t ret; |
51 | 0 | nxt_array_t *listen_sockets; |
52 | 0 | nxt_runtime_t *rt; |
53 | 0 | nxt_app_lang_module_t *lang; |
54 | |
|
55 | 0 | mp = nxt_mp_create(1024, 128, 256, 32); |
56 | 0 | if (nxt_slow_path(mp == NULL)) { |
57 | 0 | return NXT_ERROR; |
58 | 0 | } |
59 | | |
60 | 0 | rt = nxt_mp_zget(mp, sizeof(nxt_runtime_t)); |
61 | 0 | if (nxt_slow_path(rt == NULL)) { |
62 | 0 | goto fail; |
63 | 0 | } |
64 | | |
65 | 0 | task->thread->runtime = rt; |
66 | 0 | rt->mem_pool = mp; |
67 | |
|
68 | 0 | nxt_thread_mutex_create(&rt->processes_mutex); |
69 | |
|
70 | 0 | rt->services = nxt_services_init(mp); |
71 | 0 | if (nxt_slow_path(rt->services == NULL)) { |
72 | 0 | goto fail; |
73 | 0 | } |
74 | | |
75 | 0 | rt->languages = nxt_array_create(mp, 1, sizeof(nxt_app_lang_module_t)); |
76 | 0 | if (nxt_slow_path(rt->languages == NULL)) { |
77 | 0 | goto fail; |
78 | 0 | } |
79 | | |
80 | | /* Should not fail. */ |
81 | 0 | lang = nxt_array_add(rt->languages); |
82 | 0 | lang->type = NXT_APP_EXTERNAL; |
83 | 0 | lang->version = (u_char *) ""; |
84 | 0 | lang->file = NULL; |
85 | 0 | lang->module = &nxt_external_module; |
86 | |
|
87 | 0 | lang->mounts = nxt_array_create(mp, 1, sizeof(nxt_fs_mount_t)); |
88 | 0 | if (nxt_slow_path(lang->mounts == NULL)) { |
89 | 0 | goto fail; |
90 | 0 | } |
91 | | |
92 | 0 | listen_sockets = nxt_array_create(mp, 1, sizeof(nxt_listen_socket_t)); |
93 | 0 | if (nxt_slow_path(listen_sockets == NULL)) { |
94 | 0 | goto fail; |
95 | 0 | } |
96 | | |
97 | 0 | rt->listen_sockets = listen_sockets; |
98 | |
|
99 | 0 | ret = nxt_runtime_inherited_listen_sockets(task, rt); |
100 | 0 | if (nxt_slow_path(ret != NXT_OK)) { |
101 | 0 | goto fail; |
102 | 0 | } |
103 | | |
104 | 0 | if (nxt_runtime_hostname(task, rt) != NXT_OK) { |
105 | 0 | goto fail; |
106 | 0 | } |
107 | | |
108 | 0 | if (nxt_slow_path(nxt_runtime_log_files_init(rt) != NXT_OK)) { |
109 | 0 | goto fail; |
110 | 0 | } |
111 | | |
112 | 0 | if (nxt_runtime_event_engines(task, rt) != NXT_OK) { |
113 | 0 | goto fail; |
114 | 0 | } |
115 | | |
116 | 0 | if (nxt_slow_path(nxt_runtime_thread_pools(task->thread, rt) != NXT_OK)) { |
117 | 0 | goto fail; |
118 | 0 | } |
119 | | |
120 | 0 | rt->start = nxt_runtime_initial_start; |
121 | |
|
122 | 0 | if (nxt_runtime_conf_init(task, rt) != NXT_OK) { |
123 | 0 | goto fail; |
124 | 0 | } |
125 | | |
126 | 0 | if (nxt_port_rpc_init() != NXT_OK) { |
127 | 0 | goto fail; |
128 | 0 | } |
129 | | |
130 | 0 | if (nxt_slow_path(nxt_http_register_variables() != NXT_OK)) { |
131 | 0 | goto fail; |
132 | 0 | } |
133 | | |
134 | 0 | if (nxt_slow_path(nxt_var_index_init() != NXT_OK)) { |
135 | 0 | goto fail; |
136 | 0 | } |
137 | | |
138 | 0 | nxt_work_queue_add(&task->thread->engine->fast_work_queue, |
139 | 0 | nxt_runtime_start, task, rt, NULL); |
140 | |
|
141 | 0 | return NXT_OK; |
142 | | |
143 | 0 | fail: |
144 | |
|
145 | 0 | nxt_mp_destroy(mp); |
146 | |
|
147 | 0 | return NXT_ERROR; |
148 | 0 | } |
149 | | |
150 | | |
151 | | static nxt_int_t |
152 | | nxt_runtime_inherited_listen_sockets(nxt_task_t *task, nxt_runtime_t *rt) |
153 | 0 | { |
154 | 0 | u_char *v, *p; |
155 | 0 | nxt_int_t type; |
156 | 0 | nxt_array_t *inherited_sockets; |
157 | 0 | nxt_socket_t s; |
158 | 0 | nxt_listen_socket_t *ls; |
159 | |
|
160 | 0 | v = (u_char *) getenv("NGINX"); |
161 | |
|
162 | 0 | if (v == NULL) { |
163 | 0 | return nxt_runtime_systemd_listen_sockets(task, rt); |
164 | 0 | } |
165 | | |
166 | 0 | nxt_alert(task, "using inherited listen sockets: %s", v); |
167 | |
|
168 | 0 | inherited_sockets = nxt_array_create(rt->mem_pool, |
169 | 0 | 1, sizeof(nxt_listen_socket_t)); |
170 | 0 | if (inherited_sockets == NULL) { |
171 | 0 | return NXT_ERROR; |
172 | 0 | } |
173 | | |
174 | 0 | rt->inherited_sockets = inherited_sockets; |
175 | |
|
176 | 0 | for (p = v; *p != '\0'; p++) { |
177 | |
|
178 | 0 | if (*p == ';') { |
179 | 0 | s = nxt_int_parse(v, p - v); |
180 | |
|
181 | 0 | if (nxt_slow_path(s < 0)) { |
182 | 0 | nxt_alert(task, "invalid socket number \"%s\" " |
183 | 0 | "in NGINX environment variable, " |
184 | 0 | "ignoring the rest of the variable", v); |
185 | 0 | return NXT_ERROR; |
186 | 0 | } |
187 | | |
188 | 0 | v = p + 1; |
189 | |
|
190 | 0 | ls = nxt_array_zero_add(inherited_sockets); |
191 | 0 | if (nxt_slow_path(ls == NULL)) { |
192 | 0 | return NXT_ERROR; |
193 | 0 | } |
194 | | |
195 | 0 | ls->socket = s; |
196 | |
|
197 | 0 | ls->sockaddr = nxt_getsockname(task, rt->mem_pool, s); |
198 | 0 | if (nxt_slow_path(ls->sockaddr == NULL)) { |
199 | 0 | return NXT_ERROR; |
200 | 0 | } |
201 | | |
202 | 0 | type = nxt_socket_getsockopt(task, s, SOL_SOCKET, SO_TYPE); |
203 | 0 | if (nxt_slow_path(type == -1)) { |
204 | 0 | return NXT_ERROR; |
205 | 0 | } |
206 | | |
207 | 0 | ls->sockaddr->type = (uint16_t) type; |
208 | 0 | } |
209 | 0 | } |
210 | | |
211 | 0 | return NXT_OK; |
212 | 0 | } |
213 | | |
214 | | |
215 | | static nxt_int_t |
216 | | nxt_runtime_systemd_listen_sockets(nxt_task_t *task, nxt_runtime_t *rt) |
217 | 0 | { |
218 | 0 | u_char *nfd, *pid; |
219 | 0 | nxt_int_t n; |
220 | 0 | nxt_array_t *inherited_sockets; |
221 | 0 | nxt_socket_t s; |
222 | 0 | nxt_listen_socket_t *ls; |
223 | | |
224 | | /* |
225 | | * Number of listening sockets passed. The socket |
226 | | * descriptors start from number 3 and are sequential. |
227 | | */ |
228 | 0 | nfd = (u_char *) getenv("LISTEN_FDS"); |
229 | 0 | if (nfd == NULL) { |
230 | 0 | return NXT_OK; |
231 | 0 | } |
232 | | |
233 | | /* The pid of the service process. */ |
234 | 0 | pid = (u_char *) getenv("LISTEN_PID"); |
235 | 0 | if (pid == NULL) { |
236 | 0 | return NXT_OK; |
237 | 0 | } |
238 | | |
239 | 0 | n = nxt_int_parse(nfd, nxt_strlen(nfd)); |
240 | 0 | if (n < 0) { |
241 | 0 | return NXT_OK; |
242 | 0 | } |
243 | | |
244 | 0 | if (nxt_pid != nxt_int_parse(pid, nxt_strlen(pid))) { |
245 | 0 | return NXT_OK; |
246 | 0 | } |
247 | | |
248 | 0 | nxt_log(task, NXT_LOG_INFO, "using %i systemd listen sockets", n); |
249 | |
|
250 | 0 | inherited_sockets = nxt_array_create(rt->mem_pool, |
251 | 0 | n, sizeof(nxt_listen_socket_t)); |
252 | 0 | if (inherited_sockets == NULL) { |
253 | 0 | return NXT_ERROR; |
254 | 0 | } |
255 | | |
256 | 0 | rt->inherited_sockets = inherited_sockets; |
257 | |
|
258 | 0 | for (s = 3; s < n; s++) { |
259 | 0 | ls = nxt_array_zero_add(inherited_sockets); |
260 | 0 | if (nxt_slow_path(ls == NULL)) { |
261 | 0 | return NXT_ERROR; |
262 | 0 | } |
263 | | |
264 | 0 | ls->socket = s; |
265 | |
|
266 | 0 | ls->sockaddr = nxt_getsockname(task, rt->mem_pool, s); |
267 | 0 | if (nxt_slow_path(ls->sockaddr == NULL)) { |
268 | 0 | return NXT_ERROR; |
269 | 0 | } |
270 | | |
271 | 0 | ls->sockaddr->type = SOCK_STREAM; |
272 | 0 | } |
273 | | |
274 | 0 | return NXT_OK; |
275 | 0 | } |
276 | | |
277 | | |
278 | | static nxt_int_t |
279 | | nxt_runtime_event_engines(nxt_task_t *task, nxt_runtime_t *rt) |
280 | 0 | { |
281 | 0 | nxt_thread_t *thread; |
282 | 0 | nxt_event_engine_t *engine; |
283 | 0 | const nxt_event_interface_t *interface; |
284 | |
|
285 | 0 | interface = nxt_service_get(rt->services, "engine", NULL); |
286 | |
|
287 | 0 | if (nxt_slow_path(interface == NULL)) { |
288 | | /* TODO: log */ |
289 | 0 | return NXT_ERROR; |
290 | 0 | } |
291 | | |
292 | 0 | engine = nxt_event_engine_create(task, interface, |
293 | 0 | nxt_main_process_signals, 0, 0); |
294 | |
|
295 | 0 | if (nxt_slow_path(engine == NULL)) { |
296 | 0 | return NXT_ERROR; |
297 | 0 | } |
298 | | |
299 | 0 | thread = task->thread; |
300 | 0 | thread->engine = engine; |
301 | | #if 0 |
302 | | thread->fiber = &engine->fibers->fiber; |
303 | | #endif |
304 | |
|
305 | 0 | engine->id = rt->last_engine_id++; |
306 | 0 | engine->mem_pool = nxt_mp_create(1024, 128, 256, 32); |
307 | |
|
308 | 0 | nxt_queue_init(&rt->engines); |
309 | 0 | nxt_queue_insert_tail(&rt->engines, &engine->link); |
310 | |
|
311 | 0 | return NXT_OK; |
312 | 0 | } |
313 | | |
314 | | |
315 | | static nxt_int_t |
316 | | nxt_runtime_thread_pools(nxt_thread_t *thr, nxt_runtime_t *rt) |
317 | 0 | { |
318 | 0 | nxt_int_t ret; |
319 | 0 | nxt_array_t *thread_pools; |
320 | |
|
321 | 0 | thread_pools = nxt_array_create(rt->mem_pool, 1, |
322 | 0 | sizeof(nxt_thread_pool_t *)); |
323 | |
|
324 | 0 | if (nxt_slow_path(thread_pools == NULL)) { |
325 | 0 | return NXT_ERROR; |
326 | 0 | } |
327 | | |
328 | 0 | rt->thread_pools = thread_pools; |
329 | 0 | ret = nxt_runtime_thread_pool_create(thr, rt, 2, 60000 * 1000000LL); |
330 | |
|
331 | 0 | if (nxt_slow_path(ret != NXT_OK)) { |
332 | 0 | return NXT_ERROR; |
333 | 0 | } |
334 | | |
335 | 0 | return NXT_OK; |
336 | 0 | } |
337 | | |
338 | | |
339 | | static void |
340 | | nxt_runtime_start(nxt_task_t *task, void *obj, void *data) |
341 | 0 | { |
342 | 0 | nxt_runtime_t *rt; |
343 | |
|
344 | 0 | rt = obj; |
345 | |
|
346 | 0 | nxt_debug(task, "rt conf done"); |
347 | |
|
348 | 0 | task->thread->log->ctx_handler = NULL; |
349 | 0 | task->thread->log->ctx = NULL; |
350 | |
|
351 | 0 | if (nxt_runtime_log_files_create(task, rt) != NXT_OK) { |
352 | 0 | goto fail; |
353 | 0 | } |
354 | | |
355 | 0 | if (nxt_runtime_event_engine_change(task, rt) != NXT_OK) { |
356 | 0 | goto fail; |
357 | 0 | } |
358 | | |
359 | | /* |
360 | | * Thread pools should be destroyed before starting worker |
361 | | * processes, because thread pool semaphores will stick in |
362 | | * locked state in new processes after fork(). |
363 | | */ |
364 | 0 | nxt_runtime_thread_pool_destroy(task, rt, rt->start); |
365 | |
|
366 | 0 | return; |
367 | | |
368 | 0 | fail: |
369 | |
|
370 | 0 | nxt_runtime_quit(task, 1); |
371 | 0 | } |
372 | | |
373 | | |
374 | | static void |
375 | | nxt_runtime_initial_start(nxt_task_t *task, nxt_uint_t status) |
376 | 0 | { |
377 | 0 | nxt_int_t ret; |
378 | 0 | nxt_thread_t *thr; |
379 | 0 | nxt_runtime_t *rt; |
380 | 0 | const nxt_event_interface_t *interface; |
381 | |
|
382 | 0 | thr = task->thread; |
383 | 0 | rt = thr->runtime; |
384 | |
|
385 | 0 | if (rt->inherited_sockets == NULL && rt->daemon) { |
386 | |
|
387 | 0 | if (nxt_process_daemon(task) != NXT_OK) { |
388 | 0 | goto fail; |
389 | 0 | } |
390 | | |
391 | | /* |
392 | | * An event engine should be updated after fork() |
393 | | * even if an event facility was not changed because: |
394 | | * 1) inherited kqueue descriptor is invalid, |
395 | | * 2) the signal thread is not inherited. |
396 | | */ |
397 | 0 | interface = nxt_service_get(rt->services, "engine", rt->engine); |
398 | 0 | if (interface == NULL) { |
399 | 0 | goto fail; |
400 | 0 | } |
401 | | |
402 | 0 | ret = nxt_event_engine_change(task->thread->engine, interface, |
403 | 0 | rt->batch); |
404 | 0 | if (ret != NXT_OK) { |
405 | 0 | goto fail; |
406 | 0 | } |
407 | 0 | } |
408 | | |
409 | 0 | ret = nxt_runtime_pid_file_create(task, rt->pid_file); |
410 | 0 | if (ret != NXT_OK) { |
411 | 0 | goto fail; |
412 | 0 | } |
413 | | |
414 | 0 | if (nxt_runtime_event_engine_change(task, rt) != NXT_OK) { |
415 | 0 | goto fail; |
416 | 0 | } |
417 | | |
418 | 0 | thr->engine->max_connections = rt->engine_connections; |
419 | |
|
420 | 0 | if (nxt_main_process_start(thr, task, rt) != NXT_ERROR) { |
421 | 0 | return; |
422 | 0 | } |
423 | | |
424 | 0 | fail: |
425 | |
|
426 | 0 | nxt_runtime_quit(task, 1); |
427 | 0 | } |
428 | | |
429 | | |
430 | | void |
431 | | nxt_runtime_quit(nxt_task_t *task, nxt_uint_t status) |
432 | 0 | { |
433 | 0 | nxt_bool_t done; |
434 | 0 | nxt_runtime_t *rt; |
435 | 0 | nxt_event_engine_t *engine; |
436 | |
|
437 | 0 | rt = task->thread->runtime; |
438 | 0 | rt->status |= status; |
439 | 0 | engine = task->thread->engine; |
440 | |
|
441 | 0 | nxt_debug(task, "exiting"); |
442 | |
|
443 | 0 | done = 1; |
444 | |
|
445 | 0 | if (!engine->shutdown) { |
446 | 0 | engine->shutdown = 1; |
447 | |
|
448 | 0 | if (!nxt_array_is_empty(rt->thread_pools)) { |
449 | 0 | nxt_runtime_thread_pool_destroy(task, rt, nxt_runtime_quit); |
450 | 0 | done = 0; |
451 | 0 | } |
452 | |
|
453 | 0 | if (rt->type == NXT_PROCESS_MAIN) { |
454 | 0 | nxt_runtime_stop_all_processes(task, rt); |
455 | 0 | done = 0; |
456 | 0 | } |
457 | 0 | } |
458 | |
|
459 | 0 | nxt_runtime_close_idle_connections(engine); |
460 | |
|
461 | 0 | if (done) { |
462 | 0 | nxt_work_queue_add(&engine->fast_work_queue, nxt_runtime_exit, |
463 | 0 | task, rt, engine); |
464 | 0 | } |
465 | 0 | } |
466 | | |
467 | | |
468 | | static void |
469 | | nxt_runtime_close_idle_connections(nxt_event_engine_t *engine) |
470 | 0 | { |
471 | 0 | nxt_conn_t *c; |
472 | 0 | nxt_queue_t *idle; |
473 | 0 | nxt_queue_link_t *link, *next; |
474 | |
|
475 | 0 | nxt_debug(&engine->task, "close idle connections"); |
476 | |
|
477 | 0 | idle = &engine->idle_connections; |
478 | |
|
479 | 0 | for (link = nxt_queue_first(idle); |
480 | 0 | link != nxt_queue_tail(idle); |
481 | 0 | link = next) |
482 | 0 | { |
483 | 0 | next = nxt_queue_next(link); |
484 | 0 | c = nxt_queue_link_data(link, nxt_conn_t, link); |
485 | |
|
486 | 0 | if (!c->socket.read_ready) { |
487 | 0 | nxt_queue_remove(link); |
488 | 0 | nxt_conn_close(engine, c); |
489 | 0 | } |
490 | 0 | } |
491 | 0 | } |
492 | | |
493 | | |
494 | | void |
495 | | nxt_runtime_stop_app_processes(nxt_task_t *task, nxt_runtime_t *rt) |
496 | 0 | { |
497 | 0 | nxt_port_t *port; |
498 | 0 | nxt_process_t *process; |
499 | 0 | nxt_process_init_t *init; |
500 | |
|
501 | 0 | nxt_runtime_process_each(rt, process) { |
502 | |
|
503 | 0 | init = nxt_process_init(process); |
504 | |
|
505 | 0 | if (init->type == NXT_PROCESS_APP |
506 | 0 | || init->type == NXT_PROCESS_PROTOTYPE) |
507 | 0 | { |
508 | |
|
509 | 0 | nxt_process_port_each(process, port) { |
510 | |
|
511 | 0 | (void) nxt_port_socket_write(task, port, NXT_PORT_MSG_QUIT, -1, |
512 | 0 | 0, 0, NULL); |
513 | |
|
514 | 0 | } nxt_process_port_loop; |
515 | 0 | } |
516 | |
|
517 | 0 | } nxt_runtime_process_loop; |
518 | 0 | } |
519 | | |
520 | | |
521 | | static void |
522 | | nxt_runtime_stop_all_processes(nxt_task_t *task, nxt_runtime_t *rt) |
523 | 0 | { |
524 | 0 | nxt_port_t *port; |
525 | 0 | nxt_process_t *process; |
526 | |
|
527 | 0 | nxt_runtime_process_each(rt, process) { |
528 | |
|
529 | 0 | nxt_process_port_each(process, port) { |
530 | |
|
531 | 0 | nxt_debug(task, "%d sending quit to %PI", rt->type, port->pid); |
532 | |
|
533 | 0 | (void) nxt_port_socket_write(task, port, NXT_PORT_MSG_QUIT, -1, 0, |
534 | 0 | 0, NULL); |
535 | |
|
536 | 0 | } nxt_process_port_loop; |
537 | |
|
538 | 0 | } nxt_runtime_process_loop; |
539 | 0 | } |
540 | | |
541 | | |
542 | | static void |
543 | | nxt_runtime_exit(nxt_task_t *task, void *obj, void *data) |
544 | 0 | { |
545 | 0 | int status, engine_count; |
546 | 0 | nxt_runtime_t *rt; |
547 | 0 | nxt_process_t *process; |
548 | 0 | nxt_event_engine_t *engine; |
549 | |
|
550 | 0 | rt = obj; |
551 | 0 | engine = data; |
552 | |
|
553 | 0 | nxt_debug(task, "thread pools: %d", rt->thread_pools->nelts); |
554 | |
|
555 | 0 | if (!nxt_array_is_empty(rt->thread_pools)) { |
556 | 0 | return; |
557 | 0 | } |
558 | | |
559 | 0 | if (rt->type == NXT_PROCESS_MAIN) { |
560 | 0 | if (rt->pid_file != NULL) { |
561 | 0 | nxt_file_delete(rt->pid_file); |
562 | 0 | } |
563 | |
|
564 | 0 | #if (NXT_HAVE_UNIX_DOMAIN) |
565 | 0 | { |
566 | 0 | size_t i; |
567 | 0 | nxt_sockaddr_t *sa; |
568 | 0 | nxt_file_name_t *name; |
569 | |
|
570 | 0 | sa = rt->controller_listen; |
571 | |
|
572 | 0 | if (sa->u.sockaddr.sa_family == AF_UNIX) { |
573 | 0 | name = (nxt_file_name_t *) sa->u.sockaddr_un.sun_path; |
574 | 0 | (void) nxt_file_delete(name); |
575 | 0 | } |
576 | |
|
577 | 0 | for (i = 0; i < rt->listen_sockets->nelts; i++) { |
578 | 0 | nxt_listen_socket_t *ls; |
579 | |
|
580 | 0 | ls = (nxt_listen_socket_t *) rt->listen_sockets->elts + i; |
581 | 0 | sa = ls->sockaddr; |
582 | |
|
583 | 0 | if (sa->u.sockaddr.sa_family != AF_UNIX |
584 | 0 | || sa->u.sockaddr_un.sun_path[0] == '\0') |
585 | 0 | { |
586 | 0 | continue; |
587 | 0 | } |
588 | | |
589 | 0 | name = (nxt_file_name_t *) sa->u.sockaddr_un.sun_path; |
590 | 0 | (void) nxt_file_delete(name); |
591 | 0 | } |
592 | 0 | } |
593 | 0 | #endif |
594 | 0 | } |
595 | |
|
596 | 0 | if (!engine->event.signal_support) { |
597 | 0 | nxt_event_engine_signals_stop(engine); |
598 | 0 | } |
599 | |
|
600 | 0 | nxt_runtime_process_each(rt, process) { |
601 | |
|
602 | 0 | nxt_runtime_process_remove(rt, process); |
603 | 0 | nxt_process_close_ports(task, process); |
604 | |
|
605 | 0 | } nxt_runtime_process_loop; |
606 | |
|
607 | 0 | status = rt->status; |
608 | |
|
609 | 0 | engine_count = 0; |
610 | |
|
611 | 0 | nxt_queue_each(engine, &rt->engines, nxt_event_engine_t, link) { |
612 | |
|
613 | 0 | engine_count++; |
614 | |
|
615 | 0 | } nxt_queue_loop; |
616 | |
|
617 | 0 | if (engine_count <= 1) { |
618 | 0 | if (rt->port_by_type[rt->type] != NULL) { |
619 | 0 | nxt_port_use(task, rt->port_by_type[rt->type], -1); |
620 | 0 | } |
621 | |
|
622 | 0 | nxt_thread_mutex_destroy(&rt->processes_mutex); |
623 | |
|
624 | 0 | nxt_mp_destroy(rt->mem_pool); |
625 | 0 | } |
626 | |
|
627 | 0 | nxt_debug(task, "exit: %d", status); |
628 | |
|
629 | 0 | exit(status); |
630 | 0 | nxt_unreachable(); |
631 | 0 | } |
632 | | |
633 | | |
634 | | static nxt_int_t |
635 | | nxt_runtime_event_engine_change(nxt_task_t *task, nxt_runtime_t *rt) |
636 | 0 | { |
637 | 0 | nxt_event_engine_t *engine; |
638 | 0 | const nxt_event_interface_t *interface; |
639 | |
|
640 | 0 | engine = task->thread->engine; |
641 | |
|
642 | 0 | if (engine->batch == rt->batch |
643 | 0 | && nxt_strcmp(engine->event.name, rt->engine) == 0) |
644 | 0 | { |
645 | 0 | return NXT_OK; |
646 | 0 | } |
647 | | |
648 | 0 | interface = nxt_service_get(rt->services, "engine", rt->engine); |
649 | |
|
650 | 0 | if (interface != NULL) { |
651 | 0 | return nxt_event_engine_change(engine, interface, rt->batch); |
652 | 0 | } |
653 | | |
654 | 0 | return NXT_ERROR; |
655 | 0 | } |
656 | | |
657 | | |
658 | | void |
659 | | nxt_runtime_event_engine_free(nxt_runtime_t *rt) |
660 | 0 | { |
661 | 0 | nxt_queue_link_t *link; |
662 | 0 | nxt_event_engine_t *engine; |
663 | |
|
664 | 0 | link = nxt_queue_first(&rt->engines); |
665 | 0 | nxt_queue_remove(link); |
666 | |
|
667 | 0 | engine = nxt_queue_link_data(link, nxt_event_engine_t, link); |
668 | 0 | nxt_event_engine_free(engine); |
669 | 0 | } |
670 | | |
671 | | |
672 | | nxt_int_t |
673 | | nxt_runtime_thread_pool_create(nxt_thread_t *thr, nxt_runtime_t *rt, |
674 | | nxt_uint_t max_threads, nxt_nsec_t timeout) |
675 | 0 | { |
676 | 0 | nxt_thread_pool_t *thread_pool, **tp; |
677 | |
|
678 | 0 | tp = nxt_array_add(rt->thread_pools); |
679 | 0 | if (tp == NULL) { |
680 | 0 | return NXT_ERROR; |
681 | 0 | } |
682 | | |
683 | 0 | thread_pool = nxt_thread_pool_create(max_threads, timeout, |
684 | 0 | nxt_runtime_thread_pool_init, |
685 | 0 | thr->engine, |
686 | 0 | nxt_runtime_thread_pool_exit); |
687 | |
|
688 | 0 | if (nxt_fast_path(thread_pool != NULL)) { |
689 | 0 | *tp = thread_pool; |
690 | 0 | } |
691 | |
|
692 | 0 | return NXT_OK; |
693 | 0 | } |
694 | | |
695 | | |
696 | | static void |
697 | | nxt_runtime_thread_pool_destroy(nxt_task_t *task, nxt_runtime_t *rt, |
698 | | nxt_runtime_cont_t cont) |
699 | 0 | { |
700 | 0 | nxt_uint_t n; |
701 | 0 | nxt_thread_pool_t **tp; |
702 | |
|
703 | 0 | rt->continuation = cont; |
704 | |
|
705 | 0 | n = rt->thread_pools->nelts; |
706 | |
|
707 | 0 | if (n == 0) { |
708 | 0 | cont(task, 0); |
709 | 0 | return; |
710 | 0 | } |
711 | | |
712 | 0 | tp = rt->thread_pools->elts; |
713 | |
|
714 | 0 | do { |
715 | 0 | nxt_thread_pool_destroy(*tp); |
716 | |
|
717 | 0 | tp++; |
718 | 0 | n--; |
719 | 0 | } while (n != 0); |
720 | 0 | } |
721 | | |
722 | | |
723 | | static void |
724 | | nxt_runtime_thread_pool_init(void) |
725 | 0 | { |
726 | 0 | } |
727 | | |
728 | | |
729 | | static void |
730 | | nxt_runtime_thread_pool_exit(nxt_task_t *task, void *obj, void *data) |
731 | 0 | { |
732 | 0 | nxt_uint_t i, n; |
733 | 0 | nxt_runtime_t *rt; |
734 | 0 | nxt_thread_pool_t *tp, **thread_pools; |
735 | 0 | nxt_thread_handle_t handle; |
736 | |
|
737 | 0 | tp = obj; |
738 | |
|
739 | 0 | if (data != NULL) { |
740 | 0 | handle = (nxt_thread_handle_t) (uintptr_t) data; |
741 | 0 | nxt_thread_wait(handle); |
742 | 0 | } |
743 | |
|
744 | 0 | rt = task->thread->runtime; |
745 | |
|
746 | 0 | thread_pools = rt->thread_pools->elts; |
747 | 0 | n = rt->thread_pools->nelts; |
748 | |
|
749 | 0 | nxt_debug(task, "thread pools: %ui", n); |
750 | |
|
751 | 0 | for (i = 0; i < n; i++) { |
752 | |
|
753 | 0 | if (tp == thread_pools[i]) { |
754 | 0 | nxt_array_remove(rt->thread_pools, &thread_pools[i]); |
755 | |
|
756 | 0 | nxt_free(tp); |
757 | |
|
758 | 0 | if (n == 1) { |
759 | | /* The last thread pool. */ |
760 | 0 | rt->continuation(task, 0); |
761 | 0 | } |
762 | |
|
763 | 0 | return; |
764 | 0 | } |
765 | 0 | } |
766 | 0 | } |
767 | | |
768 | | |
769 | | static nxt_int_t |
770 | | nxt_runtime_conf_init(nxt_task_t *task, nxt_runtime_t *rt) |
771 | 0 | { |
772 | 0 | nxt_int_t ret; |
773 | 0 | nxt_str_t control; |
774 | 0 | nxt_uint_t n; |
775 | 0 | nxt_file_t *file; |
776 | 0 | const char *slash; |
777 | 0 | nxt_sockaddr_t *sa; |
778 | 0 | nxt_file_name_str_t file_name; |
779 | 0 | const nxt_event_interface_t *interface; |
780 | |
|
781 | 0 | rt->daemon = 1; |
782 | 0 | rt->engine_connections = 256; |
783 | 0 | rt->auxiliary_threads = 2; |
784 | 0 | rt->user_cred.user = NXT_USER; |
785 | 0 | rt->group = NXT_GROUP; |
786 | 0 | rt->pid = NXT_PID; |
787 | 0 | rt->log = NXT_LOG; |
788 | 0 | rt->modules = NXT_MODULESDIR; |
789 | 0 | rt->state = NXT_STATEDIR; |
790 | 0 | rt->control = NXT_CONTROL_SOCK; |
791 | 0 | rt->tmp = NXT_TMPDIR; |
792 | |
|
793 | 0 | nxt_memzero(&rt->capabilities, sizeof(nxt_capabilities_t)); |
794 | |
|
795 | 0 | if (nxt_runtime_conf_read_cmd(task, rt) != NXT_OK) { |
796 | 0 | return NXT_ERROR; |
797 | 0 | } |
798 | | |
799 | 0 | if (nxt_capability_set(task, &rt->capabilities) != NXT_OK) { |
800 | 0 | return NXT_ERROR; |
801 | 0 | } |
802 | | |
803 | 0 | if (rt->capabilities.setid) { |
804 | 0 | ret = nxt_credential_get(task, rt->mem_pool, &rt->user_cred, |
805 | 0 | rt->group); |
806 | |
|
807 | 0 | if (nxt_slow_path(ret != NXT_OK)) { |
808 | 0 | return NXT_ERROR; |
809 | 0 | } |
810 | |
|
811 | 0 | } else { |
812 | 0 | nxt_log(task, NXT_LOG_WARN, "Unit is running unprivileged, then it " |
813 | 0 | "cannot use arbitrary user and group."); |
814 | 0 | } |
815 | | |
816 | | /* An engine's parameters. */ |
817 | | |
818 | 0 | interface = nxt_service_get(rt->services, "engine", rt->engine); |
819 | 0 | if (interface == NULL) { |
820 | 0 | return NXT_ERROR; |
821 | 0 | } |
822 | | |
823 | 0 | rt->engine = interface->name; |
824 | |
|
825 | 0 | ret = nxt_file_name_create(rt->mem_pool, &file_name, "%s%Z", rt->pid); |
826 | 0 | if (nxt_slow_path(ret != NXT_OK)) { |
827 | 0 | return NXT_ERROR; |
828 | 0 | } |
829 | | |
830 | 0 | rt->pid_file = file_name.start; |
831 | |
|
832 | 0 | ret = nxt_file_name_create(rt->mem_pool, &file_name, "%s%Z", rt->log); |
833 | 0 | if (nxt_slow_path(ret != NXT_OK)) { |
834 | 0 | return NXT_ERROR; |
835 | 0 | } |
836 | | |
837 | 0 | file = nxt_list_first(rt->log_files); |
838 | 0 | file->name = file_name.start; |
839 | |
|
840 | 0 | slash = ""; |
841 | 0 | n = nxt_strlen(rt->modules); |
842 | |
|
843 | 0 | if (n > 1 && rt->modules[n - 1] != '/') { |
844 | 0 | slash = "/"; |
845 | 0 | } |
846 | |
|
847 | 0 | ret = nxt_file_name_create(rt->mem_pool, &file_name, "%s%s*.unit.so%Z", |
848 | 0 | rt->modules, slash); |
849 | 0 | if (nxt_slow_path(ret != NXT_OK)) { |
850 | 0 | return NXT_ERROR; |
851 | 0 | } |
852 | | |
853 | 0 | rt->modules = (char *) file_name.start; |
854 | |
|
855 | 0 | slash = ""; |
856 | 0 | n = nxt_strlen(rt->state); |
857 | |
|
858 | 0 | if (n > 1 && rt->state[n - 1] != '/') { |
859 | 0 | slash = "/"; |
860 | 0 | } |
861 | |
|
862 | 0 | ret = nxt_file_name_create(rt->mem_pool, &file_name, "%s%sversion%Z", |
863 | 0 | rt->state, slash); |
864 | 0 | if (nxt_slow_path(ret != NXT_OK)) { |
865 | 0 | return NXT_ERROR; |
866 | 0 | } |
867 | | |
868 | 0 | rt->ver = (char *) file_name.start; |
869 | |
|
870 | 0 | ret = nxt_file_name_create(rt->mem_pool, &file_name, "%s.tmp%Z", rt->ver); |
871 | 0 | if (nxt_slow_path(ret != NXT_OK)) { |
872 | 0 | return NXT_ERROR; |
873 | 0 | } |
874 | | |
875 | 0 | rt->ver_tmp = (char *) file_name.start; |
876 | |
|
877 | 0 | ret = nxt_file_name_create(rt->mem_pool, &file_name, "%s%sconf.json%Z", |
878 | 0 | rt->state, slash); |
879 | 0 | if (nxt_slow_path(ret != NXT_OK)) { |
880 | 0 | return NXT_ERROR; |
881 | 0 | } |
882 | | |
883 | 0 | rt->conf = (char *) file_name.start; |
884 | |
|
885 | 0 | ret = nxt_file_name_create(rt->mem_pool, &file_name, "%s.tmp%Z", rt->conf); |
886 | 0 | if (nxt_slow_path(ret != NXT_OK)) { |
887 | 0 | return NXT_ERROR; |
888 | 0 | } |
889 | | |
890 | 0 | rt->conf_tmp = (char *) file_name.start; |
891 | |
|
892 | 0 | ret = nxt_file_name_create(rt->mem_pool, &file_name, "%s%scerts/%Z", |
893 | 0 | rt->state, slash); |
894 | 0 | if (nxt_slow_path(ret != NXT_OK)) { |
895 | 0 | return NXT_ERROR; |
896 | 0 | } |
897 | | |
898 | 0 | ret = mkdir((char *) file_name.start, S_IRWXU); |
899 | |
|
900 | 0 | if (nxt_fast_path(ret == 0 || nxt_errno == EEXIST)) { |
901 | 0 | rt->certs.length = file_name.len; |
902 | 0 | rt->certs.start = file_name.start; |
903 | |
|
904 | 0 | } else { |
905 | 0 | nxt_alert(task, "Unable to create certificates storage directory: " |
906 | 0 | "mkdir(%s) failed %E", file_name.start, nxt_errno); |
907 | 0 | } |
908 | |
|
909 | 0 | ret = nxt_file_name_create(rt->mem_pool, &file_name, "%s%sscripts/%Z", |
910 | 0 | rt->state, slash); |
911 | 0 | if (nxt_slow_path(ret != NXT_OK)) { |
912 | 0 | return NXT_ERROR; |
913 | 0 | } |
914 | | |
915 | 0 | ret = mkdir((char *) file_name.start, S_IRWXU); |
916 | |
|
917 | 0 | if (nxt_fast_path(ret == 0 || nxt_errno == EEXIST)) { |
918 | 0 | rt->scripts.length = file_name.len; |
919 | 0 | rt->scripts.start = file_name.start; |
920 | |
|
921 | 0 | } else { |
922 | 0 | nxt_alert(task, "Unable to create scripts storage directory: " |
923 | 0 | "mkdir(%s) failed %E", file_name.start, nxt_errno); |
924 | 0 | } |
925 | |
|
926 | 0 | control.length = nxt_strlen(rt->control); |
927 | 0 | control.start = (u_char *) rt->control; |
928 | |
|
929 | 0 | sa = nxt_sockaddr_parse(rt->mem_pool, &control); |
930 | 0 | if (nxt_slow_path(sa == NULL)) { |
931 | 0 | return NXT_ERROR; |
932 | 0 | } |
933 | | |
934 | 0 | sa->type = SOCK_STREAM; |
935 | |
|
936 | 0 | rt->controller_listen = sa; |
937 | |
|
938 | 0 | if (nxt_runtime_controller_socket(task, rt) != NXT_OK) { |
939 | 0 | return NXT_ERROR; |
940 | 0 | } |
941 | | |
942 | 0 | return NXT_OK; |
943 | 0 | } |
944 | | |
945 | | |
946 | | static nxt_int_t |
947 | | nxt_runtime_conf_read_cmd(nxt_task_t *task, nxt_runtime_t *rt) |
948 | 0 | { |
949 | 0 | char *p, **argv; |
950 | 0 | u_char *end; |
951 | 0 | u_char buf[1024]; |
952 | |
|
953 | 0 | static const char version[] = |
954 | 0 | "unit version: " NXT_VERSION "\n" |
955 | 0 | "configured as ./configure" NXT_CONFIGURE_OPTIONS "\n"; |
956 | |
|
957 | 0 | static const char no_control[] = |
958 | 0 | "option \"--control\" requires socket address\n"; |
959 | 0 | static const char no_control_mode[] = |
960 | 0 | "option \"--control-mode\" requires a mode\n"; |
961 | 0 | static const char no_control_user[] = |
962 | 0 | "option \"--control-user\" requires a username\n"; |
963 | 0 | static const char no_control_group[] = |
964 | 0 | "option \"--control-group\" requires a group name\n"; |
965 | 0 | static const char no_user[] = "option \"--user\" requires username\n"; |
966 | 0 | static const char no_group[] = "option \"--group\" requires group name\n"; |
967 | 0 | static const char no_pid[] = "option \"--pid\" requires filename\n"; |
968 | 0 | static const char no_log[] = "option \"--log\" requires filename\n"; |
969 | 0 | static const char no_modules[] = |
970 | 0 | "option \"--modulesdir\" requires directory\n"; |
971 | 0 | static const char no_state[] = |
972 | 0 | "option \"--statedir\" requires directory\n"; |
973 | 0 | static const char no_tmp[] = "option \"--tmpdir\" requires directory\n"; |
974 | |
|
975 | 0 | static const char modules_deprecated[] = |
976 | 0 | "option \"--modules\" is deprecated; use \"--modulesdir\" instead\n"; |
977 | 0 | static const char state_deprecated[] = |
978 | 0 | "option \"--state\" is deprecated; use \"--statedir\" instead\n"; |
979 | 0 | static const char tmp_deprecated[] = |
980 | 0 | "option \"--tmp\" is deprecated; use \"--tmpdir\" instead\n"; |
981 | |
|
982 | 0 | static const char help[] = |
983 | 0 | "\n" |
984 | 0 | "unit options:\n" |
985 | 0 | "\n" |
986 | 0 | " --version print unit version and configure options\n" |
987 | 0 | "\n" |
988 | 0 | " --no-daemon run unit in non-daemon mode\n" |
989 | 0 | "\n" |
990 | 0 | " --control ADDRESS set address of control API socket\n" |
991 | 0 | " default: \"" NXT_CONTROL_SOCK "\"\n" |
992 | 0 | "\n" |
993 | 0 | " --control-mode MODE set mode of the control API socket\n" |
994 | 0 | " default: 0600\n" |
995 | 0 | "\n" |
996 | 0 | " --control-user USER set the owner of the control API socket\n" |
997 | 0 | "\n" |
998 | 0 | " --control-group GROUP set the group of the control API socket\n" |
999 | 0 | "\n" |
1000 | 0 | " --pid FILE set pid filename\n" |
1001 | 0 | " default: \"" NXT_PID "\"\n" |
1002 | 0 | "\n" |
1003 | 0 | " --log FILE set log filename\n" |
1004 | 0 | " default: \"" NXT_LOG "\"\n" |
1005 | 0 | "\n" |
1006 | 0 | " --modulesdir DIR set modules directory name\n" |
1007 | 0 | " default: \"" NXT_MODULESDIR "\"\n" |
1008 | 0 | "\n" |
1009 | 0 | " --statedir DIR set state directory name\n" |
1010 | 0 | " default: \"" NXT_STATEDIR "\"\n" |
1011 | 0 | "\n" |
1012 | 0 | " --tmpdir DIR set tmp directory name\n" |
1013 | 0 | " default: \"" NXT_TMPDIR "\"\n" |
1014 | 0 | "\n" |
1015 | 0 | " --modules DIR [deprecated] synonym for --modulesdir\n" |
1016 | 0 | " --state DIR [deprecated] synonym for --statedir\n" |
1017 | 0 | " --tmp DIR [deprecated] synonym for --tmpdir\n" |
1018 | 0 | "\n" |
1019 | 0 | " --user USER set non-privileged processes to run" |
1020 | 0 | " as specified user\n" |
1021 | 0 | " default: \"" NXT_USER "\"\n" |
1022 | 0 | "\n" |
1023 | 0 | " --group GROUP set non-privileged processes to run" |
1024 | 0 | " as specified group\n" |
1025 | 0 | " default: "; |
1026 | |
|
1027 | 0 | static const char group[] = "\"" NXT_GROUP "\"\n\n"; |
1028 | 0 | static const char primary[] = "user's primary group\n\n"; |
1029 | |
|
1030 | 0 | argv = &nxt_process_argv[1]; |
1031 | |
|
1032 | 0 | while (*argv != NULL) { |
1033 | 0 | p = *argv++; |
1034 | |
|
1035 | 0 | if (nxt_strcmp(p, "--control") == 0) { |
1036 | 0 | if (*argv == NULL) { |
1037 | 0 | write(STDERR_FILENO, no_control, nxt_length(no_control)); |
1038 | 0 | return NXT_ERROR; |
1039 | 0 | } |
1040 | | |
1041 | 0 | p = *argv++; |
1042 | |
|
1043 | 0 | rt->control = p; |
1044 | |
|
1045 | 0 | continue; |
1046 | 0 | } |
1047 | | |
1048 | 0 | if (nxt_strcmp(p, "--control-mode") == 0) { |
1049 | 0 | if (*argv == NULL) { |
1050 | 0 | write(STDERR_FILENO, no_control_mode, |
1051 | 0 | nxt_length(no_control_mode)); |
1052 | 0 | return NXT_ERROR; |
1053 | 0 | } |
1054 | | |
1055 | 0 | p = *argv++; |
1056 | |
|
1057 | 0 | rt->control_mode = strtoul(p, NULL, 8); |
1058 | |
|
1059 | 0 | continue; |
1060 | 0 | } |
1061 | | |
1062 | 0 | if (nxt_strcmp(p, "--control-user") == 0) { |
1063 | 0 | if (*argv == NULL) { |
1064 | 0 | write(STDERR_FILENO, no_control_user, |
1065 | 0 | nxt_length(no_control_user)); |
1066 | 0 | return NXT_ERROR; |
1067 | 0 | } |
1068 | | |
1069 | 0 | p = *argv++; |
1070 | |
|
1071 | 0 | rt->control_user = p; |
1072 | |
|
1073 | 0 | continue; |
1074 | 0 | } |
1075 | | |
1076 | 0 | if (nxt_strcmp(p, "--control-group") == 0) { |
1077 | 0 | if (*argv == NULL) { |
1078 | 0 | write(STDERR_FILENO, no_control_group, |
1079 | 0 | nxt_length(no_control_group)); |
1080 | 0 | return NXT_ERROR; |
1081 | 0 | } |
1082 | | |
1083 | 0 | p = *argv++; |
1084 | |
|
1085 | 0 | rt->control_group = p; |
1086 | |
|
1087 | 0 | continue; |
1088 | 0 | } |
1089 | | |
1090 | 0 | if (nxt_strcmp(p, "--user") == 0) { |
1091 | 0 | if (*argv == NULL) { |
1092 | 0 | write(STDERR_FILENO, no_user, nxt_length(no_user)); |
1093 | 0 | return NXT_ERROR; |
1094 | 0 | } |
1095 | | |
1096 | 0 | p = *argv++; |
1097 | |
|
1098 | 0 | rt->user_cred.user = p; |
1099 | |
|
1100 | 0 | continue; |
1101 | 0 | } |
1102 | | |
1103 | 0 | if (nxt_strcmp(p, "--group") == 0) { |
1104 | 0 | if (*argv == NULL) { |
1105 | 0 | write(STDERR_FILENO, no_group, nxt_length(no_group)); |
1106 | 0 | return NXT_ERROR; |
1107 | 0 | } |
1108 | | |
1109 | 0 | p = *argv++; |
1110 | |
|
1111 | 0 | rt->group = p; |
1112 | |
|
1113 | 0 | continue; |
1114 | 0 | } |
1115 | | |
1116 | 0 | if (nxt_strcmp(p, "--pid") == 0) { |
1117 | 0 | if (*argv == NULL) { |
1118 | 0 | write(STDERR_FILENO, no_pid, nxt_length(no_pid)); |
1119 | 0 | return NXT_ERROR; |
1120 | 0 | } |
1121 | | |
1122 | 0 | p = *argv++; |
1123 | |
|
1124 | 0 | rt->pid = p; |
1125 | |
|
1126 | 0 | continue; |
1127 | 0 | } |
1128 | | |
1129 | 0 | if (nxt_strcmp(p, "--log") == 0) { |
1130 | 0 | if (*argv == NULL) { |
1131 | 0 | write(STDERR_FILENO, no_log, nxt_length(no_log)); |
1132 | 0 | return NXT_ERROR; |
1133 | 0 | } |
1134 | | |
1135 | 0 | p = *argv++; |
1136 | |
|
1137 | 0 | rt->log = p; |
1138 | |
|
1139 | 0 | continue; |
1140 | 0 | } |
1141 | | |
1142 | 0 | if (nxt_strcmp(p, "--modules") == 0) { |
1143 | 0 | write(STDERR_FILENO, modules_deprecated, |
1144 | 0 | nxt_length(modules_deprecated)); |
1145 | 0 | goto modulesdir; |
1146 | 0 | } |
1147 | | |
1148 | 0 | if (nxt_strcmp(p, "--modulesdir") == 0) { |
1149 | 0 | modulesdir: |
1150 | 0 | if (*argv == NULL) { |
1151 | 0 | write(STDERR_FILENO, no_modules, nxt_length(no_modules)); |
1152 | 0 | return NXT_ERROR; |
1153 | 0 | } |
1154 | | |
1155 | 0 | p = *argv++; |
1156 | |
|
1157 | 0 | rt->modules = p; |
1158 | |
|
1159 | 0 | continue; |
1160 | 0 | } |
1161 | | |
1162 | 0 | if (nxt_strcmp(p, "--state") == 0) { |
1163 | 0 | write(STDERR_FILENO, state_deprecated, |
1164 | 0 | nxt_length(state_deprecated)); |
1165 | 0 | goto statedir; |
1166 | 0 | } |
1167 | | |
1168 | 0 | if (nxt_strcmp(p, "--statedir") == 0) { |
1169 | 0 | statedir: |
1170 | 0 | if (*argv == NULL) { |
1171 | 0 | write(STDERR_FILENO, no_state, nxt_length(no_state)); |
1172 | 0 | return NXT_ERROR; |
1173 | 0 | } |
1174 | | |
1175 | 0 | p = *argv++; |
1176 | |
|
1177 | 0 | rt->state = p; |
1178 | |
|
1179 | 0 | continue; |
1180 | 0 | } |
1181 | | |
1182 | 0 | if (nxt_strcmp(p, "--tmp") == 0) { |
1183 | 0 | write(STDERR_FILENO, tmp_deprecated, nxt_length(tmp_deprecated)); |
1184 | 0 | goto tmpdir; |
1185 | 0 | } |
1186 | | |
1187 | 0 | if (nxt_strcmp(p, "--tmpdir") == 0) { |
1188 | 0 | tmpdir: |
1189 | 0 | if (*argv == NULL) { |
1190 | 0 | write(STDERR_FILENO, no_tmp, nxt_length(no_tmp)); |
1191 | 0 | return NXT_ERROR; |
1192 | 0 | } |
1193 | | |
1194 | 0 | p = *argv++; |
1195 | |
|
1196 | 0 | rt->tmp = p; |
1197 | |
|
1198 | 0 | continue; |
1199 | 0 | } |
1200 | | |
1201 | 0 | if (nxt_strcmp(p, "--no-daemon") == 0) { |
1202 | 0 | rt->daemon = 0; |
1203 | 0 | continue; |
1204 | 0 | } |
1205 | | |
1206 | 0 | if (nxt_strcmp(p, "--version") == 0) { |
1207 | 0 | write(STDERR_FILENO, version, nxt_length(version)); |
1208 | 0 | exit(0); |
1209 | 0 | } |
1210 | | |
1211 | 0 | if (nxt_strcmp(p, "--help") == 0 || nxt_strcmp(p, "-h") == 0) { |
1212 | 0 | write(STDOUT_FILENO, help, nxt_length(help)); |
1213 | |
|
1214 | 0 | if (sizeof(NXT_GROUP) == 1) { |
1215 | 0 | write(STDOUT_FILENO, primary, nxt_length(primary)); |
1216 | |
|
1217 | 0 | } else { |
1218 | 0 | write(STDOUT_FILENO, group, nxt_length(group)); |
1219 | 0 | } |
1220 | |
|
1221 | 0 | exit(0); |
1222 | 0 | } |
1223 | | |
1224 | 0 | end = nxt_sprintf(buf, buf + sizeof(buf), "unknown option \"%s\", " |
1225 | 0 | "try \"%s -h\" for available options\n", |
1226 | 0 | p, nxt_process_argv[0]); |
1227 | |
|
1228 | 0 | write(STDERR_FILENO, buf, end - buf); |
1229 | |
|
1230 | 0 | return NXT_ERROR; |
1231 | 0 | } |
1232 | | |
1233 | 0 | return NXT_OK; |
1234 | 0 | } |
1235 | | |
1236 | | |
1237 | | nxt_listen_socket_t * |
1238 | | nxt_runtime_listen_socket_add(nxt_runtime_t *rt, nxt_sockaddr_t *sa) |
1239 | 0 | { |
1240 | 0 | nxt_mp_t *mp; |
1241 | 0 | nxt_listen_socket_t *ls; |
1242 | |
|
1243 | 0 | ls = nxt_array_zero_add(rt->listen_sockets); |
1244 | 0 | if (ls == NULL) { |
1245 | 0 | return NULL; |
1246 | 0 | } |
1247 | | |
1248 | 0 | mp = rt->mem_pool; |
1249 | |
|
1250 | 0 | ls->sockaddr = nxt_sockaddr_create(mp, &sa->u.sockaddr, sa->socklen, |
1251 | 0 | sa->length); |
1252 | 0 | if (ls->sockaddr == NULL) { |
1253 | 0 | return NULL; |
1254 | 0 | } |
1255 | | |
1256 | 0 | ls->sockaddr->type = sa->type; |
1257 | |
|
1258 | 0 | nxt_sockaddr_text(ls->sockaddr); |
1259 | |
|
1260 | 0 | ls->socket = -1; |
1261 | 0 | ls->backlog = NXT_LISTEN_BACKLOG; |
1262 | |
|
1263 | 0 | return ls; |
1264 | 0 | } |
1265 | | |
1266 | | |
1267 | | static nxt_int_t |
1268 | | nxt_runtime_hostname(nxt_task_t *task, nxt_runtime_t *rt) |
1269 | 0 | { |
1270 | 0 | size_t length; |
1271 | 0 | char hostname[NXT_MAXHOSTNAMELEN + 1]; |
1272 | |
|
1273 | 0 | if (gethostname(hostname, NXT_MAXHOSTNAMELEN) != 0) { |
1274 | 0 | nxt_alert(task, "gethostname() failed %E", nxt_errno); |
1275 | 0 | return NXT_ERROR; |
1276 | 0 | } |
1277 | | |
1278 | | /* |
1279 | | * Linux gethostname(2): |
1280 | | * |
1281 | | * If the null-terminated hostname is too large to fit, |
1282 | | * then the name is truncated, and no error is returned. |
1283 | | * |
1284 | | * For this reason an additional byte is reserved in the buffer. |
1285 | | */ |
1286 | 0 | hostname[NXT_MAXHOSTNAMELEN] = '\0'; |
1287 | |
|
1288 | 0 | length = nxt_strlen(hostname); |
1289 | 0 | rt->hostname.length = length; |
1290 | |
|
1291 | 0 | rt->hostname.start = nxt_mp_nget(rt->mem_pool, length); |
1292 | |
|
1293 | 0 | if (rt->hostname.start != NULL) { |
1294 | 0 | nxt_memcpy_lowcase(rt->hostname.start, (u_char *) hostname, length); |
1295 | 0 | return NXT_OK; |
1296 | 0 | } |
1297 | | |
1298 | 0 | return NXT_ERROR; |
1299 | 0 | } |
1300 | | |
1301 | | |
1302 | | static nxt_int_t |
1303 | | nxt_runtime_log_files_init(nxt_runtime_t *rt) |
1304 | 0 | { |
1305 | 0 | nxt_file_t *file; |
1306 | 0 | nxt_list_t *log_files; |
1307 | |
|
1308 | 0 | log_files = nxt_list_create(rt->mem_pool, 1, sizeof(nxt_file_t)); |
1309 | |
|
1310 | 0 | if (nxt_fast_path(log_files != NULL)) { |
1311 | 0 | rt->log_files = log_files; |
1312 | | |
1313 | | /* Preallocate the main log. This allocation cannot fail. */ |
1314 | 0 | file = nxt_list_zero_add(log_files); |
1315 | |
|
1316 | 0 | file->fd = NXT_FILE_INVALID; |
1317 | 0 | file->log_level = NXT_LOG_ALERT; |
1318 | |
|
1319 | 0 | return NXT_OK; |
1320 | 0 | } |
1321 | | |
1322 | 0 | return NXT_ERROR; |
1323 | 0 | } |
1324 | | |
1325 | | |
1326 | | nxt_file_t * |
1327 | | nxt_runtime_log_file_add(nxt_runtime_t *rt, nxt_str_t *name) |
1328 | 0 | { |
1329 | 0 | nxt_int_t ret; |
1330 | 0 | nxt_file_t *file; |
1331 | 0 | nxt_file_name_str_t file_name; |
1332 | |
|
1333 | 0 | ret = nxt_file_name_create(rt->mem_pool, &file_name, "V%Z", name); |
1334 | |
|
1335 | 0 | if (nxt_slow_path(ret != NXT_OK)) { |
1336 | 0 | return NULL; |
1337 | 0 | } |
1338 | | |
1339 | 0 | nxt_list_each(file, rt->log_files) { |
1340 | | |
1341 | | /* STUB: hardecoded case sensitive/insensitive. */ |
1342 | |
|
1343 | 0 | if (file->name != NULL |
1344 | 0 | && nxt_file_name_eq(file->name, file_name.start)) |
1345 | 0 | { |
1346 | 0 | return file; |
1347 | 0 | } |
1348 | |
|
1349 | 0 | } nxt_list_loop; |
1350 | | |
1351 | 0 | file = nxt_list_zero_add(rt->log_files); |
1352 | |
|
1353 | 0 | if (nxt_slow_path(file == NULL)) { |
1354 | 0 | return NULL; |
1355 | 0 | } |
1356 | | |
1357 | 0 | file->fd = NXT_FILE_INVALID; |
1358 | 0 | file->log_level = NXT_LOG_ALERT; |
1359 | 0 | file->name = file_name.start; |
1360 | |
|
1361 | 0 | return file; |
1362 | 0 | } |
1363 | | |
1364 | | |
1365 | | static nxt_int_t |
1366 | | nxt_runtime_log_files_create(nxt_task_t *task, nxt_runtime_t *rt) |
1367 | 0 | { |
1368 | 0 | nxt_int_t ret; |
1369 | 0 | nxt_file_t *file; |
1370 | |
|
1371 | 0 | nxt_list_each(file, rt->log_files) { |
1372 | |
|
1373 | 0 | ret = nxt_file_open(task, file, O_WRONLY | O_APPEND, O_CREAT, |
1374 | 0 | NXT_FILE_OWNER_ACCESS); |
1375 | |
|
1376 | 0 | if (ret != NXT_OK) { |
1377 | 0 | return NXT_ERROR; |
1378 | 0 | } |
1379 | |
|
1380 | 0 | } nxt_list_loop; |
1381 | | |
1382 | 0 | file = nxt_list_first(rt->log_files); |
1383 | |
|
1384 | 0 | return nxt_file_stderr(file); |
1385 | 0 | } |
1386 | | |
1387 | | |
1388 | | nxt_int_t |
1389 | | nxt_runtime_listen_sockets_create(nxt_task_t *task, nxt_runtime_t *rt) |
1390 | 0 | { |
1391 | 0 | nxt_int_t ret; |
1392 | 0 | nxt_uint_t c, p, ncurr, nprev; |
1393 | 0 | nxt_listen_socket_t *curr, *prev; |
1394 | |
|
1395 | 0 | curr = rt->listen_sockets->elts; |
1396 | 0 | ncurr = rt->listen_sockets->nelts; |
1397 | |
|
1398 | 0 | if (rt->inherited_sockets != NULL) { |
1399 | 0 | prev = rt->inherited_sockets->elts; |
1400 | 0 | nprev = rt->inherited_sockets->nelts; |
1401 | |
|
1402 | 0 | } else { |
1403 | 0 | prev = NULL; |
1404 | 0 | nprev = 0; |
1405 | 0 | } |
1406 | |
|
1407 | 0 | for (c = 0; c < ncurr; c++) { |
1408 | |
|
1409 | 0 | for (p = 0; p < nprev; p++) { |
1410 | |
|
1411 | 0 | if (nxt_sockaddr_cmp(curr[c].sockaddr, prev[p].sockaddr)) { |
1412 | |
|
1413 | 0 | ret = nxt_listen_socket_update(task, &curr[c], &prev[p]); |
1414 | 0 | if (ret != NXT_OK) { |
1415 | 0 | return NXT_ERROR; |
1416 | 0 | } |
1417 | | |
1418 | 0 | goto next; |
1419 | 0 | } |
1420 | 0 | } |
1421 | | |
1422 | 0 | if (nxt_listen_socket_create(task, rt->mem_pool, &curr[c]) != NXT_OK) { |
1423 | 0 | return NXT_ERROR; |
1424 | 0 | } |
1425 | | |
1426 | 0 | next: |
1427 | |
|
1428 | 0 | continue; |
1429 | 0 | } |
1430 | | |
1431 | 0 | return NXT_OK; |
1432 | 0 | } |
1433 | | |
1434 | | |
1435 | | nxt_int_t |
1436 | | nxt_runtime_listen_sockets_enable(nxt_task_t *task, nxt_runtime_t *rt) |
1437 | 0 | { |
1438 | 0 | nxt_uint_t i, n; |
1439 | 0 | nxt_listen_socket_t *ls; |
1440 | |
|
1441 | 0 | ls = rt->listen_sockets->elts; |
1442 | 0 | n = rt->listen_sockets->nelts; |
1443 | |
|
1444 | 0 | for (i = 0; i < n; i++) { |
1445 | 0 | if (ls[i].flags == NXT_NONBLOCK) { |
1446 | 0 | if (nxt_listen_event(task, &ls[i]) == NULL) { |
1447 | 0 | return NXT_ERROR; |
1448 | 0 | } |
1449 | 0 | } |
1450 | 0 | } |
1451 | | |
1452 | 0 | return NXT_OK; |
1453 | 0 | } |
1454 | | |
1455 | | |
1456 | | nxt_str_t * |
1457 | | nxt_current_directory(nxt_mp_t *mp) |
1458 | 0 | { |
1459 | 0 | size_t length; |
1460 | 0 | u_char *p; |
1461 | 0 | nxt_str_t *name; |
1462 | 0 | char buf[NXT_MAX_PATH_LEN]; |
1463 | |
|
1464 | 0 | length = nxt_dir_current(buf, NXT_MAX_PATH_LEN); |
1465 | |
|
1466 | 0 | if (nxt_fast_path(length != 0)) { |
1467 | 0 | name = nxt_str_alloc(mp, length + 1); |
1468 | |
|
1469 | 0 | if (nxt_fast_path(name != NULL)) { |
1470 | 0 | p = nxt_cpymem(name->start, buf, length); |
1471 | 0 | *p = '/'; |
1472 | |
|
1473 | 0 | return name; |
1474 | 0 | } |
1475 | 0 | } |
1476 | | |
1477 | 0 | return NULL; |
1478 | 0 | } |
1479 | | |
1480 | | |
1481 | | static nxt_int_t |
1482 | | nxt_runtime_pid_file_create(nxt_task_t *task, nxt_file_name_t *pid_file) |
1483 | 0 | { |
1484 | 0 | ssize_t length; |
1485 | 0 | nxt_int_t n; |
1486 | 0 | nxt_file_t file; |
1487 | 0 | u_char pid[NXT_INT64_T_LEN + nxt_length("\n")]; |
1488 | |
|
1489 | 0 | nxt_memzero(&file, sizeof(nxt_file_t)); |
1490 | |
|
1491 | 0 | file.name = pid_file; |
1492 | |
|
1493 | 0 | nxt_fs_mkdir_parent(pid_file, 0755); |
1494 | |
|
1495 | 0 | n = nxt_file_open(task, &file, O_WRONLY, O_CREAT | O_TRUNC, |
1496 | 0 | NXT_FILE_DEFAULT_ACCESS); |
1497 | |
|
1498 | 0 | if (n != NXT_OK) { |
1499 | 0 | return NXT_ERROR; |
1500 | 0 | } |
1501 | | |
1502 | 0 | length = nxt_sprintf(pid, pid + sizeof(pid), "%PI%n", nxt_pid) - pid; |
1503 | |
|
1504 | 0 | if (nxt_file_write(&file, pid, length, 0) != length) { |
1505 | 0 | return NXT_ERROR; |
1506 | 0 | } |
1507 | | |
1508 | 0 | nxt_file_close(task, &file); |
1509 | |
|
1510 | 0 | return NXT_OK; |
1511 | 0 | } |
1512 | | |
1513 | | |
1514 | | void |
1515 | | nxt_runtime_process_release(nxt_runtime_t *rt, nxt_process_t *process) |
1516 | 0 | { |
1517 | 0 | nxt_process_t *child; |
1518 | |
|
1519 | 0 | if (process->registered == 1) { |
1520 | 0 | nxt_runtime_process_remove(rt, process); |
1521 | 0 | } |
1522 | |
|
1523 | 0 | if (process->link.next != NULL) { |
1524 | 0 | nxt_queue_remove(&process->link); |
1525 | 0 | } |
1526 | |
|
1527 | 0 | nxt_queue_each(child, &process->children, nxt_process_t, link) { |
1528 | 0 | nxt_queue_remove(&child->link); |
1529 | 0 | child->link.next = NULL; |
1530 | 0 | } nxt_queue_loop; |
1531 | |
|
1532 | 0 | nxt_assert(process->use_count == 0); |
1533 | 0 | nxt_assert(process->registered == 0); |
1534 | 0 | nxt_assert(nxt_queue_is_empty(&process->ports)); |
1535 | |
|
1536 | 0 | nxt_port_mmaps_destroy(&process->incoming, 1); |
1537 | |
|
1538 | 0 | nxt_thread_mutex_destroy(&process->incoming.mutex); |
1539 | | |
1540 | | /* processes from nxt_runtime_process_get() have no memory pool */ |
1541 | 0 | if (process->mem_pool != NULL) { |
1542 | 0 | nxt_mp_destroy(process->mem_pool); |
1543 | 0 | } |
1544 | |
|
1545 | 0 | nxt_mp_free(rt->mem_pool, process); |
1546 | 0 | } |
1547 | | |
1548 | | |
1549 | | static nxt_int_t |
1550 | | nxt_runtime_lvlhsh_pid_test(nxt_lvlhsh_query_t *lhq, void *data) |
1551 | 0 | { |
1552 | 0 | nxt_process_t *process; |
1553 | |
|
1554 | 0 | process = data; |
1555 | |
|
1556 | 0 | if (lhq->key.length == sizeof(nxt_pid_t) |
1557 | 0 | && *(nxt_pid_t *) lhq->key.start == process->pid) |
1558 | 0 | { |
1559 | 0 | return NXT_OK; |
1560 | 0 | } |
1561 | | |
1562 | 0 | return NXT_DECLINED; |
1563 | 0 | } |
1564 | | |
1565 | | static const nxt_lvlhsh_proto_t lvlhsh_processes_proto nxt_aligned(64) = { |
1566 | | NXT_LVLHSH_DEFAULT, |
1567 | | nxt_runtime_lvlhsh_pid_test, |
1568 | | nxt_lvlhsh_alloc, |
1569 | | nxt_lvlhsh_free, |
1570 | | }; |
1571 | | |
1572 | | |
1573 | | nxt_inline void |
1574 | | nxt_runtime_process_lhq_pid(nxt_lvlhsh_query_t *lhq, nxt_pid_t *pid) |
1575 | 0 | { |
1576 | 0 | lhq->key_hash = nxt_murmur_hash2(pid, sizeof(*pid)); |
1577 | 0 | lhq->key.length = sizeof(*pid); |
1578 | 0 | lhq->key.start = (u_char *) pid; |
1579 | 0 | lhq->proto = &lvlhsh_processes_proto; |
1580 | 0 | } |
1581 | | |
1582 | | |
1583 | | nxt_process_t * |
1584 | | nxt_runtime_process_find(nxt_runtime_t *rt, nxt_pid_t pid) |
1585 | 0 | { |
1586 | 0 | nxt_process_t *process; |
1587 | 0 | nxt_lvlhsh_query_t lhq; |
1588 | |
|
1589 | 0 | process = NULL; |
1590 | |
|
1591 | 0 | nxt_runtime_process_lhq_pid(&lhq, &pid); |
1592 | |
|
1593 | 0 | nxt_thread_mutex_lock(&rt->processes_mutex); |
1594 | |
|
1595 | 0 | if (nxt_lvlhsh_find(&rt->processes, &lhq) == NXT_OK) { |
1596 | 0 | process = lhq.value; |
1597 | |
|
1598 | 0 | } else { |
1599 | 0 | nxt_thread_log_debug("process %PI not found", pid); |
1600 | 0 | } |
1601 | |
|
1602 | 0 | nxt_thread_mutex_unlock(&rt->processes_mutex); |
1603 | |
|
1604 | 0 | return process; |
1605 | 0 | } |
1606 | | |
1607 | | |
1608 | | static nxt_process_t * |
1609 | | nxt_runtime_process_get(nxt_runtime_t *rt, nxt_pid_t pid) |
1610 | 0 | { |
1611 | 0 | nxt_process_t *process; |
1612 | 0 | nxt_lvlhsh_query_t lhq; |
1613 | |
|
1614 | 0 | nxt_runtime_process_lhq_pid(&lhq, &pid); |
1615 | |
|
1616 | 0 | nxt_thread_mutex_lock(&rt->processes_mutex); |
1617 | |
|
1618 | 0 | if (nxt_lvlhsh_find(&rt->processes, &lhq) == NXT_OK) { |
1619 | 0 | nxt_thread_log_debug("process %PI found", pid); |
1620 | |
|
1621 | 0 | nxt_thread_mutex_unlock(&rt->processes_mutex); |
1622 | |
|
1623 | 0 | process = lhq.value; |
1624 | 0 | process->use_count++; |
1625 | |
|
1626 | 0 | return process; |
1627 | 0 | } |
1628 | | |
1629 | 0 | process = nxt_process_new(rt); |
1630 | 0 | if (nxt_slow_path(process == NULL)) { |
1631 | |
|
1632 | 0 | nxt_thread_mutex_unlock(&rt->processes_mutex); |
1633 | |
|
1634 | 0 | return NULL; |
1635 | 0 | } |
1636 | | |
1637 | 0 | process->pid = pid; |
1638 | |
|
1639 | 0 | lhq.replace = 0; |
1640 | 0 | lhq.value = process; |
1641 | 0 | lhq.pool = rt->mem_pool; |
1642 | |
|
1643 | 0 | switch (nxt_lvlhsh_insert(&rt->processes, &lhq)) { |
1644 | | |
1645 | 0 | case NXT_OK: |
1646 | 0 | if (rt->nprocesses == 0) { |
1647 | 0 | rt->mprocess = process; |
1648 | 0 | } |
1649 | |
|
1650 | 0 | rt->nprocesses++; |
1651 | |
|
1652 | 0 | process->registered = 1; |
1653 | |
|
1654 | 0 | nxt_thread_log_debug("process %PI insert", pid); |
1655 | 0 | break; |
1656 | | |
1657 | 0 | default: |
1658 | 0 | nxt_thread_log_debug("process %PI insert failed", pid); |
1659 | 0 | break; |
1660 | 0 | } |
1661 | | |
1662 | 0 | nxt_thread_mutex_unlock(&rt->processes_mutex); |
1663 | |
|
1664 | 0 | return process; |
1665 | 0 | } |
1666 | | |
1667 | | |
1668 | | void |
1669 | | nxt_runtime_process_add(nxt_task_t *task, nxt_process_t *process) |
1670 | 0 | { |
1671 | 0 | nxt_port_t *port; |
1672 | 0 | nxt_runtime_t *rt; |
1673 | 0 | nxt_lvlhsh_query_t lhq; |
1674 | |
|
1675 | 0 | nxt_assert(process->registered == 0); |
1676 | |
|
1677 | 0 | rt = task->thread->runtime; |
1678 | |
|
1679 | 0 | nxt_runtime_process_lhq_pid(&lhq, &process->pid); |
1680 | |
|
1681 | 0 | lhq.replace = 0; |
1682 | 0 | lhq.value = process; |
1683 | 0 | lhq.pool = rt->mem_pool; |
1684 | |
|
1685 | 0 | nxt_thread_mutex_lock(&rt->processes_mutex); |
1686 | |
|
1687 | 0 | switch (nxt_lvlhsh_insert(&rt->processes, &lhq)) { |
1688 | | |
1689 | 0 | case NXT_OK: |
1690 | 0 | if (rt->nprocesses == 0) { |
1691 | 0 | rt->mprocess = process; |
1692 | 0 | } |
1693 | |
|
1694 | 0 | rt->nprocesses++; |
1695 | |
|
1696 | 0 | nxt_process_port_each(process, port) { |
1697 | |
|
1698 | 0 | port->pid = process->pid; |
1699 | |
|
1700 | 0 | nxt_runtime_port_add(task, port); |
1701 | |
|
1702 | 0 | } nxt_process_port_loop; |
1703 | |
|
1704 | 0 | process->registered = 1; |
1705 | |
|
1706 | 0 | nxt_debug(task, "process %PI added", process->pid); |
1707 | 0 | break; |
1708 | | |
1709 | 0 | default: |
1710 | 0 | nxt_alert(task, "process %PI failed to add", process->pid); |
1711 | 0 | break; |
1712 | 0 | } |
1713 | | |
1714 | 0 | nxt_thread_mutex_unlock(&rt->processes_mutex); |
1715 | 0 | } |
1716 | | |
1717 | | |
1718 | | void |
1719 | | nxt_runtime_process_remove(nxt_runtime_t *rt, nxt_process_t *process) |
1720 | 0 | { |
1721 | 0 | nxt_pid_t pid; |
1722 | 0 | nxt_lvlhsh_query_t lhq; |
1723 | |
|
1724 | 0 | nxt_assert(process->registered != 0); |
1725 | |
|
1726 | 0 | pid = process->pid; |
1727 | |
|
1728 | 0 | nxt_runtime_process_lhq_pid(&lhq, &pid); |
1729 | |
|
1730 | 0 | lhq.pool = rt->mem_pool; |
1731 | |
|
1732 | 0 | nxt_thread_mutex_lock(&rt->processes_mutex); |
1733 | |
|
1734 | 0 | switch (nxt_lvlhsh_delete(&rt->processes, &lhq)) { |
1735 | | |
1736 | 0 | case NXT_OK: |
1737 | 0 | nxt_assert(lhq.value == process); |
1738 | |
|
1739 | 0 | rt->nprocesses--; |
1740 | |
|
1741 | 0 | process->registered = 0; |
1742 | |
|
1743 | 0 | nxt_thread_log_debug("process %PI removed", pid); |
1744 | 0 | break; |
1745 | | |
1746 | 0 | default: |
1747 | 0 | nxt_thread_log_alert("process %PI remove failed", pid); |
1748 | 0 | break; |
1749 | 0 | } |
1750 | | |
1751 | 0 | nxt_thread_mutex_unlock(&rt->processes_mutex); |
1752 | 0 | } |
1753 | | |
1754 | | |
1755 | | nxt_process_t * |
1756 | | nxt_runtime_process_first(nxt_runtime_t *rt, nxt_lvlhsh_each_t *lhe) |
1757 | 0 | { |
1758 | 0 | nxt_lvlhsh_each_init(lhe, &lvlhsh_processes_proto); |
1759 | |
|
1760 | 0 | return nxt_runtime_process_next(rt, lhe); |
1761 | 0 | } |
1762 | | |
1763 | | |
1764 | | nxt_port_t * |
1765 | | nxt_runtime_process_port_create(nxt_task_t *task, nxt_runtime_t *rt, |
1766 | | nxt_pid_t pid, nxt_port_id_t id, nxt_process_type_t type) |
1767 | 0 | { |
1768 | 0 | nxt_port_t *port; |
1769 | 0 | nxt_process_t *process; |
1770 | |
|
1771 | 0 | process = nxt_runtime_process_get(rt, pid); |
1772 | 0 | if (nxt_slow_path(process == NULL)) { |
1773 | 0 | return NULL; |
1774 | 0 | } |
1775 | | |
1776 | 0 | port = nxt_port_new(task, id, pid, type); |
1777 | 0 | if (nxt_slow_path(port == NULL)) { |
1778 | 0 | nxt_process_use(task, process, -1); |
1779 | 0 | return NULL; |
1780 | 0 | } |
1781 | | |
1782 | 0 | nxt_process_port_add(task, process, port); |
1783 | |
|
1784 | 0 | nxt_process_use(task, process, -1); |
1785 | |
|
1786 | 0 | nxt_runtime_port_add(task, port); |
1787 | |
|
1788 | 0 | nxt_port_use(task, port, -1); |
1789 | |
|
1790 | 0 | return port; |
1791 | 0 | } |
1792 | | |
1793 | | |
1794 | | static void |
1795 | | nxt_runtime_port_add(nxt_task_t *task, nxt_port_t *port) |
1796 | 0 | { |
1797 | 0 | nxt_int_t res; |
1798 | 0 | nxt_runtime_t *rt; |
1799 | |
|
1800 | 0 | rt = task->thread->runtime; |
1801 | |
|
1802 | 0 | res = nxt_port_hash_add(&rt->ports, port); |
1803 | |
|
1804 | 0 | if (res != NXT_OK) { |
1805 | 0 | return; |
1806 | 0 | } |
1807 | | |
1808 | 0 | rt->port_by_type[port->type] = port; |
1809 | |
|
1810 | 0 | nxt_port_use(task, port, 1); |
1811 | 0 | } |
1812 | | |
1813 | | |
1814 | | void |
1815 | | nxt_runtime_port_remove(nxt_task_t *task, nxt_port_t *port) |
1816 | 0 | { |
1817 | 0 | nxt_int_t res; |
1818 | 0 | nxt_runtime_t *rt; |
1819 | |
|
1820 | 0 | rt = task->thread->runtime; |
1821 | |
|
1822 | 0 | res = nxt_port_hash_remove(&rt->ports, port); |
1823 | |
|
1824 | 0 | if (res != NXT_OK) { |
1825 | 0 | return; |
1826 | 0 | } |
1827 | | |
1828 | 0 | if (rt->port_by_type[port->type] == port) { |
1829 | 0 | rt->port_by_type[port->type] = NULL; |
1830 | 0 | } |
1831 | |
|
1832 | 0 | nxt_port_use(task, port, -1); |
1833 | 0 | } |
1834 | | |
1835 | | |
1836 | | nxt_port_t * |
1837 | | nxt_runtime_port_find(nxt_runtime_t *rt, nxt_pid_t pid, |
1838 | | nxt_port_id_t port_id) |
1839 | 0 | { |
1840 | 0 | return nxt_port_hash_find(&rt->ports, pid, port_id); |
1841 | 0 | } |