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Commit | Line | Data |
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5cb5a6ff LP |
1 | /*-*- Mode: C; c-basic-offset: 8 -*-*/ |
2 | ||
a7334b09 LP |
3 | /*** |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
83c60c9f LP |
22 | #include <sys/types.h> |
23 | #include <sys/stat.h> | |
24 | #include <unistd.h> | |
25 | #include <errno.h> | |
26 | #include <fcntl.h> | |
f94ea366 | 27 | #include <sys/epoll.h> |
034c6ed7 | 28 | #include <signal.h> |
4f2d528d | 29 | #include <arpa/inet.h> |
83c60c9f | 30 | |
87f0e418 | 31 | #include "unit.h" |
5cb5a6ff | 32 | #include "socket.h" |
83c60c9f | 33 | #include "log.h" |
23a177ef LP |
34 | #include "load-dropin.h" |
35 | #include "load-fragment.h" | |
9e2f7c11 | 36 | #include "strv.h" |
4f2d528d | 37 | #include "unit-name.h" |
83c60c9f | 38 | |
acbb0225 | 39 | static const UnitActiveState state_translation_table[_SOCKET_STATE_MAX] = { |
87f0e418 LP |
40 | [SOCKET_DEAD] = UNIT_INACTIVE, |
41 | [SOCKET_START_PRE] = UNIT_ACTIVATING, | |
42 | [SOCKET_START_POST] = UNIT_ACTIVATING, | |
43 | [SOCKET_LISTENING] = UNIT_ACTIVE, | |
44 | [SOCKET_RUNNING] = UNIT_ACTIVE, | |
45 | [SOCKET_STOP_PRE] = UNIT_DEACTIVATING, | |
46 | [SOCKET_STOP_PRE_SIGTERM] = UNIT_DEACTIVATING, | |
47 | [SOCKET_STOP_PRE_SIGKILL] = UNIT_DEACTIVATING, | |
48 | [SOCKET_STOP_POST] = UNIT_DEACTIVATING, | |
80876c20 LP |
49 | [SOCKET_FINAL_SIGTERM] = UNIT_DEACTIVATING, |
50 | [SOCKET_FINAL_SIGKILL] = UNIT_DEACTIVATING, | |
87f0e418 | 51 | [SOCKET_MAINTAINANCE] = UNIT_INACTIVE, |
83c60c9f | 52 | }; |
5cb5a6ff | 53 | |
acbb0225 LP |
54 | static const char* const state_string_table[_SOCKET_STATE_MAX] = { |
55 | [SOCKET_DEAD] = "dead", | |
56 | [SOCKET_START_PRE] = "start-pre", | |
57 | [SOCKET_START_POST] = "start-post", | |
58 | [SOCKET_LISTENING] = "listening", | |
59 | [SOCKET_RUNNING] = "running", | |
60 | [SOCKET_STOP_PRE] = "stop-pre", | |
61 | [SOCKET_STOP_PRE_SIGTERM] = "stop-pre-sigterm", | |
62 | [SOCKET_STOP_PRE_SIGKILL] = "stop-pre-sigkill", | |
63 | [SOCKET_STOP_POST] = "stop-post", | |
80876c20 LP |
64 | [SOCKET_FINAL_SIGTERM] = "final-sigterm", |
65 | [SOCKET_FINAL_SIGKILL] = "final-sigkill", | |
acbb0225 LP |
66 | [SOCKET_MAINTAINANCE] = "maintainance" |
67 | }; | |
68 | ||
5e94833f LP |
69 | static void socket_unwatch_control_pid(Socket *s) { |
70 | assert(s); | |
71 | ||
72 | if (s->control_pid <= 0) | |
73 | return; | |
74 | ||
75 | unit_unwatch_pid(UNIT(s), s->control_pid); | |
76 | s->control_pid = 0; | |
77 | } | |
78 | ||
87f0e418 LP |
79 | static void socket_done(Unit *u) { |
80 | Socket *s = SOCKET(u); | |
034c6ed7 LP |
81 | SocketPort *p; |
82 | ||
83 | assert(s); | |
84 | ||
85 | while ((p = s->ports)) { | |
86 | LIST_REMOVE(SocketPort, port, s->ports, p); | |
87 | ||
88 | if (p->fd >= 0) | |
89 | close_nointr(p->fd); | |
90 | free(p->path); | |
91 | free(p); | |
92 | } | |
93 | ||
94 | exec_context_done(&s->exec_context); | |
e537352b | 95 | exec_command_free_array(s->exec_command, _SOCKET_EXEC_COMMAND_MAX); |
034c6ed7 LP |
96 | s->control_command = NULL; |
97 | ||
5e94833f | 98 | socket_unwatch_control_pid(s); |
034c6ed7 LP |
99 | |
100 | s->service = NULL; | |
101 | ||
acbb0225 | 102 | free(s->bind_to_device); |
e537352b | 103 | s->bind_to_device = NULL; |
acbb0225 LP |
104 | |
105 | unit_unwatch_timer(u, &s->timer_watch); | |
5cb5a6ff LP |
106 | } |
107 | ||
e537352b | 108 | static void socket_init(Unit *u) { |
87f0e418 | 109 | Socket *s = SOCKET(u); |
44d8db9e | 110 | |
e537352b LP |
111 | assert(u); |
112 | assert(u->meta.load_state == UNIT_STUB); | |
44d8db9e LP |
113 | |
114 | s->state = 0; | |
acbb0225 | 115 | s->timer_watch.type = WATCH_INVALID; |
44d8db9e LP |
116 | s->bind_ipv6_only = false; |
117 | s->backlog = SOMAXCONN; | |
118 | s->timeout_usec = DEFAULT_TIMEOUT_USEC; | |
b5a0699f LP |
119 | s->directory_mode = 0755; |
120 | s->socket_mode = 0666; | |
50159e6a LP |
121 | s->kill_mode = 0; |
122 | s->failure = false; | |
123 | s->control_pid = 0; | |
e537352b | 124 | s->service = NULL; |
4f2d528d LP |
125 | s->accept = false; |
126 | s->n_accepted = 0; | |
44d8db9e | 127 | exec_context_init(&s->exec_context); |
e537352b | 128 | } |
44d8db9e | 129 | |
4f2d528d LP |
130 | static bool have_non_accept_socket(Socket *s) { |
131 | SocketPort *p; | |
132 | ||
133 | assert(s); | |
134 | ||
135 | if (!s->accept) | |
136 | return true; | |
137 | ||
138 | LIST_FOREACH(port, p, s->ports) | |
139 | if (!socket_address_can_accept(&p->address)) | |
140 | return true; | |
141 | ||
142 | return false; | |
143 | } | |
144 | ||
145 | static int socket_verify(Socket *s) { | |
146 | assert(s); | |
147 | ||
148 | if (UNIT(s)->meta.load_state != UNIT_LOADED) | |
149 | return 0; | |
150 | ||
151 | if (!s->ports) { | |
152 | log_error("%s lacks Listen setting. Refusing.", UNIT(s)->meta.id); | |
153 | return -EINVAL; | |
154 | } | |
155 | ||
156 | return 0; | |
157 | } | |
158 | ||
e537352b LP |
159 | static int socket_load(Unit *u) { |
160 | Socket *s = SOCKET(u); | |
161 | int r; | |
44d8db9e | 162 | |
e537352b LP |
163 | assert(u); |
164 | assert(u->meta.load_state == UNIT_STUB); | |
44d8db9e | 165 | |
e537352b | 166 | if ((r = unit_load_fragment_and_dropin(u)) < 0) |
23a177ef | 167 | return r; |
44d8db9e | 168 | |
23a177ef | 169 | /* This is a new unit? Then let's add in some extras */ |
e537352b | 170 | if (u->meta.load_state == UNIT_LOADED) { |
44d8db9e | 171 | |
4f2d528d LP |
172 | if (have_non_accept_socket(s)) { |
173 | if ((r = unit_load_related_unit(u, ".service", (Unit**) &s->service))) | |
174 | return r; | |
23a177ef | 175 | |
4f2d528d LP |
176 | if ((r = unit_add_dependency(u, UNIT_BEFORE, UNIT(s->service))) < 0) |
177 | return r; | |
178 | } | |
44d8db9e | 179 | |
23a177ef LP |
180 | if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0) |
181 | return r; | |
182 | ||
183 | if ((r = unit_add_default_cgroup(u)) < 0) | |
184 | return r; | |
185 | } | |
186 | ||
4f2d528d | 187 | return socket_verify(s); |
44d8db9e LP |
188 | } |
189 | ||
542563ba LP |
190 | static const char* listen_lookup(int type) { |
191 | ||
192 | if (type == SOCK_STREAM) | |
193 | return "ListenStream"; | |
194 | else if (type == SOCK_DGRAM) | |
195 | return "ListenDatagram"; | |
196 | else if (type == SOCK_SEQPACKET) | |
197 | return "ListenSequentialPacket"; | |
198 | ||
034c6ed7 | 199 | assert_not_reached("Unknown socket type"); |
542563ba LP |
200 | return NULL; |
201 | } | |
202 | ||
87f0e418 | 203 | static void socket_dump(Unit *u, FILE *f, const char *prefix) { |
5cb5a6ff | 204 | |
e537352b | 205 | static const char* const command_table[_SOCKET_EXEC_COMMAND_MAX] = { |
5cb5a6ff LP |
206 | [SOCKET_EXEC_START_PRE] = "StartPre", |
207 | [SOCKET_EXEC_START_POST] = "StartPost", | |
208 | [SOCKET_EXEC_STOP_PRE] = "StopPre", | |
209 | [SOCKET_EXEC_STOP_POST] = "StopPost" | |
210 | }; | |
211 | ||
212 | SocketExecCommand c; | |
87f0e418 | 213 | Socket *s = SOCKET(u); |
542563ba | 214 | SocketPort *p; |
82ba9f08 LP |
215 | const char *prefix2; |
216 | char *p2; | |
5cb5a6ff LP |
217 | |
218 | assert(s); | |
fa068367 | 219 | assert(f); |
5cb5a6ff | 220 | |
82ba9f08 LP |
221 | p2 = strappend(prefix, "\t"); |
222 | prefix2 = p2 ? p2 : prefix; | |
c43d20a0 | 223 | |
5cb5a6ff LP |
224 | fprintf(f, |
225 | "%sSocket State: %s\n" | |
542563ba | 226 | "%sBindIPv6Only: %s\n" |
b5a0699f | 227 | "%sBacklog: %u\n" |
50159e6a | 228 | "%sKillMode: %s\n" |
b5a0699f LP |
229 | "%sSocketMode: %04o\n" |
230 | "%sDirectoryMode: %04o\n", | |
acbb0225 | 231 | prefix, state_string_table[s->state], |
542563ba | 232 | prefix, yes_no(s->bind_ipv6_only), |
b5a0699f | 233 | prefix, s->backlog, |
50159e6a | 234 | prefix, kill_mode_to_string(s->kill_mode), |
b5a0699f LP |
235 | prefix, s->socket_mode, |
236 | prefix, s->directory_mode); | |
542563ba | 237 | |
70123e68 LP |
238 | if (s->control_pid > 0) |
239 | fprintf(f, | |
240 | "%sControl PID: %llu\n", | |
241 | prefix, (unsigned long long) s->control_pid); | |
242 | ||
acbb0225 LP |
243 | if (s->bind_to_device) |
244 | fprintf(f, | |
245 | "%sBindToDevice: %s\n", | |
246 | prefix, s->bind_to_device); | |
247 | ||
4f2d528d LP |
248 | if (s->accept) |
249 | fprintf(f, | |
250 | "%sAccepted: %u\n", | |
251 | prefix, s->n_accepted); | |
252 | ||
034c6ed7 | 253 | LIST_FOREACH(port, p, s->ports) { |
5cb5a6ff | 254 | |
542563ba LP |
255 | if (p->type == SOCKET_SOCKET) { |
256 | const char *t; | |
257 | int r; | |
258 | char *k; | |
259 | ||
260 | if ((r = socket_address_print(&p->address, &k)) < 0) | |
261 | t = strerror(-r); | |
262 | else | |
263 | t = k; | |
264 | ||
265 | fprintf(f, "%s%s: %s\n", prefix, listen_lookup(p->address.type), k); | |
266 | free(k); | |
267 | } else | |
268 | fprintf(f, "%sListenFIFO: %s\n", prefix, p->path); | |
269 | } | |
5cb5a6ff LP |
270 | |
271 | exec_context_dump(&s->exec_context, f, prefix); | |
272 | ||
e537352b | 273 | for (c = 0; c < _SOCKET_EXEC_COMMAND_MAX; c++) { |
c43d20a0 LP |
274 | if (!s->exec_command[c]) |
275 | continue; | |
5cb5a6ff | 276 | |
c43d20a0 LP |
277 | fprintf(f, "%s→ %s:\n", |
278 | prefix, command_table[c]); | |
279 | ||
280 | exec_command_dump_list(s->exec_command[c], f, prefix2); | |
5cb5a6ff | 281 | } |
c43d20a0 | 282 | |
82ba9f08 | 283 | free(p2); |
5cb5a6ff LP |
284 | } |
285 | ||
4f2d528d LP |
286 | static int instance_from_socket(int fd, unsigned nr, char **instance) { |
287 | socklen_t l; | |
288 | char *r; | |
289 | union { | |
290 | struct sockaddr sa; | |
291 | struct sockaddr_un un; | |
292 | struct sockaddr_in in; | |
293 | struct sockaddr_in6 in6; | |
294 | struct sockaddr_storage storage; | |
295 | } local, remote; | |
296 | ||
297 | assert(fd >= 0); | |
298 | assert(instance); | |
299 | ||
300 | l = sizeof(local); | |
301 | if (getsockname(fd, &local.sa, &l) < 0) | |
302 | return -errno; | |
303 | ||
304 | l = sizeof(remote); | |
305 | if (getpeername(fd, &remote.sa, &l) < 0) | |
306 | return -errno; | |
307 | ||
308 | switch (local.sa.sa_family) { | |
309 | ||
310 | case AF_INET: { | |
311 | uint32_t | |
312 | a = ntohl(local.in.sin_addr.s_addr), | |
313 | b = ntohl(remote.in.sin_addr.s_addr); | |
314 | ||
315 | if (asprintf(&r, | |
316 | "%u-%u.%u.%u.%u-%u-%u.%u.%u.%u-%u", | |
317 | nr, | |
318 | a >> 24, (a >> 16) & 0xFF, (a >> 8) & 0xFF, a & 0xFF, | |
319 | ntohs(local.in.sin_port), | |
320 | b >> 24, (b >> 16) & 0xFF, (b >> 8) & 0xFF, b & 0xFF, | |
321 | ntohs(remote.in.sin_port)) < 0) | |
322 | return -ENOMEM; | |
323 | ||
324 | break; | |
325 | } | |
326 | ||
327 | case AF_INET6: { | |
328 | char a[INET6_ADDRSTRLEN], b[INET6_ADDRSTRLEN]; | |
329 | ||
330 | if (asprintf(&r, | |
331 | "%u-%s-%u-%s-%u", | |
332 | nr, | |
333 | inet_ntop(AF_INET6, &local.in6.sin6_addr, a, sizeof(a)), | |
334 | ntohs(local.in6.sin6_port), | |
335 | inet_ntop(AF_INET6, &remote.in6.sin6_addr, b, sizeof(b)), | |
336 | ntohs(remote.in6.sin6_port)) < 0) | |
337 | return -ENOMEM; | |
338 | ||
339 | break; | |
340 | } | |
341 | ||
342 | case AF_UNIX: { | |
343 | struct ucred ucred; | |
344 | ||
345 | l = sizeof(ucred); | |
346 | if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &ucred, &l) < 0) | |
347 | return -errno; | |
348 | ||
349 | if (asprintf(&r, | |
350 | "%u-%llu-%llu", | |
351 | nr, | |
352 | (unsigned long long) ucred.pid, | |
353 | (unsigned long long) ucred.uid) < 0) | |
354 | return -ENOMEM; | |
355 | ||
356 | break; | |
357 | } | |
358 | ||
359 | default: | |
360 | assert_not_reached("Unhandled socket type."); | |
361 | } | |
362 | ||
363 | *instance = r; | |
364 | return 0; | |
365 | } | |
366 | ||
034c6ed7 | 367 | static void socket_close_fds(Socket *s) { |
83c60c9f LP |
368 | SocketPort *p; |
369 | ||
370 | assert(s); | |
371 | ||
034c6ed7 | 372 | LIST_FOREACH(port, p, s->ports) { |
83c60c9f LP |
373 | if (p->fd < 0) |
374 | continue; | |
375 | ||
acbb0225 | 376 | unit_unwatch_fd(UNIT(s), &p->fd_watch); |
9152c765 LP |
377 | assert_se(close_nointr(p->fd) >= 0); |
378 | ||
83c60c9f LP |
379 | p->fd = -1; |
380 | } | |
381 | } | |
382 | ||
034c6ed7 | 383 | static int socket_open_fds(Socket *s) { |
83c60c9f LP |
384 | SocketPort *p; |
385 | int r; | |
386 | ||
387 | assert(s); | |
388 | ||
034c6ed7 | 389 | LIST_FOREACH(port, p, s->ports) { |
83c60c9f | 390 | |
034c6ed7 LP |
391 | if (p->fd >= 0) |
392 | continue; | |
83c60c9f LP |
393 | |
394 | if (p->type == SOCKET_SOCKET) { | |
395 | ||
b5a0699f LP |
396 | if ((r = socket_address_listen( |
397 | &p->address, | |
398 | s->backlog, | |
399 | s->bind_ipv6_only, | |
400 | s->bind_to_device, | |
401 | s->directory_mode, | |
402 | s->socket_mode, | |
403 | &p->fd)) < 0) | |
83c60c9f LP |
404 | goto rollback; |
405 | ||
406 | } else { | |
407 | struct stat st; | |
408 | assert(p->type == SOCKET_FIFO); | |
409 | ||
8cb45bf8 LP |
410 | mkdir_parents(p->path, s->directory_mode); |
411 | ||
412 | if (mkfifo(p->path, s->socket_mode) < 0 && errno != EEXIST) { | |
83c60c9f LP |
413 | r = -errno; |
414 | goto rollback; | |
415 | } | |
416 | ||
417 | if ((p->fd = open(p->path, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK|O_NOFOLLOW)) < 0) { | |
418 | r = -errno; | |
419 | goto rollback; | |
420 | } | |
421 | ||
422 | if (fstat(p->fd, &st) < 0) { | |
423 | r = -errno; | |
424 | goto rollback; | |
425 | } | |
426 | ||
427 | /* FIXME verify user, access mode */ | |
428 | ||
429 | if (!S_ISFIFO(st.st_mode)) { | |
430 | r = -EEXIST; | |
431 | goto rollback; | |
432 | } | |
433 | } | |
034c6ed7 LP |
434 | } |
435 | ||
436 | return 0; | |
437 | ||
438 | rollback: | |
439 | socket_close_fds(s); | |
440 | return r; | |
441 | } | |
442 | ||
443 | static void socket_unwatch_fds(Socket *s) { | |
444 | SocketPort *p; | |
9152c765 | 445 | |
034c6ed7 LP |
446 | assert(s); |
447 | ||
448 | LIST_FOREACH(port, p, s->ports) { | |
449 | if (p->fd < 0) | |
450 | continue; | |
451 | ||
acbb0225 | 452 | unit_unwatch_fd(UNIT(s), &p->fd_watch); |
83c60c9f | 453 | } |
034c6ed7 LP |
454 | } |
455 | ||
456 | static int socket_watch_fds(Socket *s) { | |
457 | SocketPort *p; | |
458 | int r; | |
459 | ||
460 | assert(s); | |
83c60c9f | 461 | |
034c6ed7 LP |
462 | LIST_FOREACH(port, p, s->ports) { |
463 | if (p->fd < 0) | |
464 | continue; | |
465 | ||
4f2d528d LP |
466 | p->fd_watch.data.socket_accept = |
467 | s->accept && | |
468 | socket_address_can_accept(&p->address); | |
469 | ||
f94ea366 | 470 | if ((r = unit_watch_fd(UNIT(s), p->fd, EPOLLIN, &p->fd_watch)) < 0) |
034c6ed7 LP |
471 | goto fail; |
472 | } | |
83c60c9f | 473 | |
542563ba | 474 | return 0; |
83c60c9f | 475 | |
034c6ed7 LP |
476 | fail: |
477 | socket_unwatch_fds(s); | |
478 | return r; | |
479 | } | |
480 | ||
481 | static void socket_set_state(Socket *s, SocketState state) { | |
482 | SocketState old_state; | |
483 | assert(s); | |
484 | ||
485 | old_state = s->state; | |
486 | s->state = state; | |
487 | ||
488 | if (state != SOCKET_START_PRE && | |
489 | state != SOCKET_START_POST && | |
490 | state != SOCKET_STOP_PRE && | |
491 | state != SOCKET_STOP_PRE_SIGTERM && | |
492 | state != SOCKET_STOP_PRE_SIGKILL && | |
493 | state != SOCKET_STOP_POST && | |
80876c20 LP |
494 | state != SOCKET_FINAL_SIGTERM && |
495 | state != SOCKET_FINAL_SIGKILL) { | |
acbb0225 | 496 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
5e94833f | 497 | socket_unwatch_control_pid(s); |
034c6ed7 | 498 | s->control_command = NULL; |
e537352b | 499 | } |
034c6ed7 LP |
500 | |
501 | if (state != SOCKET_START_POST && | |
502 | state != SOCKET_LISTENING && | |
503 | state != SOCKET_RUNNING && | |
504 | state != SOCKET_STOP_PRE && | |
505 | state != SOCKET_STOP_PRE_SIGTERM && | |
506 | state != SOCKET_STOP_PRE_SIGKILL) | |
507 | socket_close_fds(s); | |
508 | ||
509 | if (state != SOCKET_LISTENING) | |
510 | socket_unwatch_fds(s); | |
511 | ||
e537352b | 512 | if (state != old_state) |
9e2f7c11 | 513 | log_debug("%s changed %s → %s", s->meta.id, state_string_table[old_state], state_string_table[state]); |
acbb0225 LP |
514 | |
515 | unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]); | |
034c6ed7 LP |
516 | } |
517 | ||
e537352b | 518 | static int socket_spawn(Socket *s, ExecCommand *c, pid_t *_pid) { |
034c6ed7 LP |
519 | pid_t pid; |
520 | int r; | |
9e2f7c11 | 521 | char **argv; |
034c6ed7 LP |
522 | |
523 | assert(s); | |
524 | assert(c); | |
525 | assert(_pid); | |
526 | ||
e537352b LP |
527 | if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0) |
528 | goto fail; | |
034c6ed7 | 529 | |
9e2f7c11 LP |
530 | if (!(argv = unit_full_printf_strv(UNIT(s), c->argv))) { |
531 | r = -ENOMEM; | |
532 | goto fail; | |
533 | } | |
534 | ||
535 | r = exec_spawn(c, | |
536 | argv, | |
537 | &s->exec_context, | |
538 | NULL, 0, | |
539 | true, | |
540 | true, | |
541 | UNIT(s)->meta.manager->confirm_spawn, | |
542 | UNIT(s)->meta.cgroup_bondings, | |
543 | &pid); | |
544 | ||
545 | strv_free(argv); | |
546 | if (r < 0) | |
034c6ed7 LP |
547 | goto fail; |
548 | ||
87f0e418 | 549 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) |
034c6ed7 LP |
550 | /* FIXME: we need to do something here */ |
551 | goto fail; | |
83c60c9f | 552 | |
034c6ed7 LP |
553 | *_pid = pid; |
554 | ||
555 | return 0; | |
556 | ||
557 | fail: | |
e537352b | 558 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
83c60c9f LP |
559 | |
560 | return r; | |
542563ba LP |
561 | } |
562 | ||
034c6ed7 LP |
563 | static void socket_enter_dead(Socket *s, bool success) { |
564 | assert(s); | |
565 | ||
566 | if (!success) | |
567 | s->failure = true; | |
568 | ||
569 | socket_set_state(s, s->failure ? SOCKET_MAINTAINANCE : SOCKET_DEAD); | |
570 | } | |
571 | ||
80876c20 LP |
572 | static void socket_enter_signal(Socket *s, SocketState state, bool success); |
573 | ||
034c6ed7 LP |
574 | static void socket_enter_stop_post(Socket *s, bool success) { |
575 | int r; | |
576 | assert(s); | |
577 | ||
578 | if (!success) | |
579 | s->failure = true; | |
580 | ||
5e94833f LP |
581 | socket_unwatch_control_pid(s); |
582 | ||
80876c20 | 583 | if ((s->control_command = s->exec_command[SOCKET_EXEC_STOP_POST])) { |
e537352b | 584 | if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0) |
034c6ed7 LP |
585 | goto fail; |
586 | ||
80876c20 LP |
587 | socket_set_state(s, SOCKET_STOP_POST); |
588 | } else | |
589 | socket_enter_signal(s, SOCKET_FINAL_SIGTERM, true); | |
034c6ed7 LP |
590 | |
591 | return; | |
592 | ||
593 | fail: | |
9e2f7c11 | 594 | log_warning("%s failed to run stop-post executable: %s", s->meta.id, strerror(-r)); |
80876c20 | 595 | socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false); |
034c6ed7 LP |
596 | } |
597 | ||
598 | static void socket_enter_signal(Socket *s, SocketState state, bool success) { | |
599 | int r; | |
80876c20 | 600 | bool sent = false; |
034c6ed7 LP |
601 | |
602 | assert(s); | |
603 | ||
604 | if (!success) | |
605 | s->failure = true; | |
606 | ||
80876c20 LP |
607 | if (s->kill_mode != KILL_NONE) { |
608 | int sig = (state == SOCKET_STOP_PRE_SIGTERM || state == SOCKET_FINAL_SIGTERM) ? SIGTERM : SIGKILL; | |
034c6ed7 | 609 | |
50159e6a LP |
610 | if (s->kill_mode == KILL_CONTROL_GROUP) { |
611 | ||
612 | if ((r = cgroup_bonding_kill_list(UNIT(s)->meta.cgroup_bondings, sig)) < 0) { | |
613 | if (r != -EAGAIN && r != -ESRCH) | |
614 | goto fail; | |
615 | } else | |
616 | sent = true; | |
034c6ed7 | 617 | } |
50159e6a | 618 | |
80876c20 | 619 | if (!sent && s->control_pid > 0) |
50159e6a LP |
620 | if (kill(s->kill_mode == KILL_PROCESS ? s->control_pid : -s->control_pid, sig) < 0 && errno != ESRCH) { |
621 | r = -errno; | |
622 | goto fail; | |
623 | } | |
d6ea93e3 | 624 | } |
034c6ed7 | 625 | |
80876c20 LP |
626 | if (sent) { |
627 | if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0) | |
628 | goto fail; | |
d6ea93e3 | 629 | |
80876c20 LP |
630 | socket_set_state(s, state); |
631 | } else if (state == SOCKET_STOP_PRE_SIGTERM || state == SOCKET_STOP_PRE_SIGKILL) | |
632 | socket_enter_stop_post(s, true); | |
633 | else | |
034c6ed7 LP |
634 | socket_enter_dead(s, true); |
635 | ||
636 | return; | |
637 | ||
638 | fail: | |
9e2f7c11 | 639 | log_warning("%s failed to kill processes: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
640 | |
641 | if (state == SOCKET_STOP_PRE_SIGTERM || state == SOCKET_STOP_PRE_SIGKILL) | |
642 | socket_enter_stop_post(s, false); | |
643 | else | |
644 | socket_enter_dead(s, false); | |
645 | } | |
646 | ||
647 | static void socket_enter_stop_pre(Socket *s, bool success) { | |
648 | int r; | |
649 | assert(s); | |
650 | ||
651 | if (!success) | |
652 | s->failure = true; | |
653 | ||
5e94833f LP |
654 | socket_unwatch_control_pid(s); |
655 | ||
80876c20 | 656 | if ((s->control_command = s->exec_command[SOCKET_EXEC_STOP_PRE])) { |
e537352b | 657 | if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0) |
034c6ed7 LP |
658 | goto fail; |
659 | ||
80876c20 LP |
660 | socket_set_state(s, SOCKET_STOP_PRE); |
661 | } else | |
034c6ed7 LP |
662 | socket_enter_stop_post(s, true); |
663 | ||
664 | return; | |
665 | ||
666 | fail: | |
9e2f7c11 | 667 | log_warning("%s failed to run stop-pre executable: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
668 | socket_enter_stop_post(s, false); |
669 | } | |
670 | ||
e9af15c3 LP |
671 | static void socket_enter_listening(Socket *s) { |
672 | int r; | |
673 | assert(s); | |
674 | ||
675 | if ((r = socket_watch_fds(s)) < 0) { | |
9e2f7c11 | 676 | log_warning("%s failed to watch sockets: %s", s->meta.id, strerror(-r)); |
e9af15c3 LP |
677 | goto fail; |
678 | } | |
679 | ||
680 | socket_set_state(s, SOCKET_LISTENING); | |
681 | return; | |
682 | ||
683 | fail: | |
684 | socket_enter_stop_pre(s, false); | |
685 | } | |
686 | ||
034c6ed7 LP |
687 | static void socket_enter_start_post(Socket *s) { |
688 | int r; | |
689 | assert(s); | |
690 | ||
e9af15c3 | 691 | if ((r = socket_open_fds(s)) < 0) { |
9e2f7c11 | 692 | log_warning("%s failed to listen on sockets: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
693 | goto fail; |
694 | } | |
695 | ||
5e94833f LP |
696 | socket_unwatch_control_pid(s); |
697 | ||
80876c20 | 698 | if ((s->control_command = s->exec_command[SOCKET_EXEC_START_POST])) { |
e537352b | 699 | if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0) { |
9e2f7c11 | 700 | log_warning("%s failed to run start-post executable: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
701 | goto fail; |
702 | } | |
703 | ||
80876c20 LP |
704 | socket_set_state(s, SOCKET_START_POST); |
705 | } else | |
e9af15c3 | 706 | socket_enter_listening(s); |
034c6ed7 LP |
707 | |
708 | return; | |
709 | ||
710 | fail: | |
711 | socket_enter_stop_pre(s, false); | |
712 | } | |
713 | ||
714 | static void socket_enter_start_pre(Socket *s) { | |
715 | int r; | |
716 | assert(s); | |
717 | ||
5e94833f LP |
718 | socket_unwatch_control_pid(s); |
719 | ||
80876c20 | 720 | if ((s->control_command = s->exec_command[SOCKET_EXEC_START_PRE])) { |
e537352b | 721 | if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0) |
034c6ed7 LP |
722 | goto fail; |
723 | ||
80876c20 LP |
724 | socket_set_state(s, SOCKET_START_PRE); |
725 | } else | |
034c6ed7 LP |
726 | socket_enter_start_post(s); |
727 | ||
728 | return; | |
729 | ||
730 | fail: | |
9e2f7c11 | 731 | log_warning("%s failed to run start-pre exectuable: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
732 | socket_enter_dead(s, false); |
733 | } | |
734 | ||
4f2d528d | 735 | static void socket_enter_running(Socket *s, int cfd) { |
034c6ed7 LP |
736 | int r; |
737 | ||
738 | assert(s); | |
739 | ||
4f2d528d LP |
740 | if (cfd < 0) { |
741 | if ((r = manager_add_job(UNIT(s)->meta.manager, JOB_START, UNIT(s->service), JOB_REPLACE, true, NULL)) < 0) | |
742 | goto fail; | |
743 | ||
744 | socket_set_state(s, SOCKET_RUNNING); | |
745 | } else { | |
746 | Unit *u; | |
747 | char *prefix, *instance, *name; | |
748 | ||
749 | if ((r = instance_from_socket(cfd, s->n_accepted++, &instance))) | |
750 | goto fail; | |
751 | ||
752 | if (!(prefix = unit_name_to_prefix(UNIT(s)->meta.id))) { | |
753 | free(instance); | |
754 | r = -ENOMEM; | |
755 | goto fail; | |
756 | } | |
757 | ||
758 | name = unit_name_build(prefix, instance, ".service"); | |
759 | free(prefix); | |
760 | free(instance); | |
761 | ||
762 | if (!name) | |
763 | r = -ENOMEM; | |
764 | ||
765 | r = manager_load_unit(UNIT(s)->meta.manager, name, NULL, &u); | |
766 | free(name); | |
767 | ||
768 | if (r < 0) | |
769 | goto fail; | |
770 | ||
771 | if ((r = service_set_socket_fd(SERVICE(u), cfd) < 0)) | |
772 | goto fail; | |
773 | ||
774 | cfd = -1; | |
775 | ||
776 | if ((r = manager_add_job(u->meta.manager, JOB_START, u, JOB_REPLACE, true, NULL)) < 0) | |
777 | goto fail; | |
778 | } | |
034c6ed7 | 779 | |
034c6ed7 LP |
780 | return; |
781 | ||
782 | fail: | |
9e2f7c11 | 783 | log_warning("%s failed to queue socket startup job: %s", s->meta.id, strerror(-r)); |
80876c20 | 784 | socket_enter_stop_pre(s, false); |
4f2d528d LP |
785 | |
786 | if (cfd >= 0) | |
787 | close_nointr_nofail(cfd); | |
034c6ed7 LP |
788 | } |
789 | ||
790 | static void socket_run_next(Socket *s, bool success) { | |
791 | int r; | |
792 | ||
793 | assert(s); | |
794 | assert(s->control_command); | |
795 | assert(s->control_command->command_next); | |
796 | ||
797 | if (!success) | |
798 | s->failure = true; | |
799 | ||
5e94833f LP |
800 | socket_unwatch_control_pid(s); |
801 | ||
034c6ed7 LP |
802 | s->control_command = s->control_command->command_next; |
803 | ||
e537352b | 804 | if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0) |
034c6ed7 LP |
805 | goto fail; |
806 | ||
807 | return; | |
808 | ||
809 | fail: | |
9e2f7c11 | 810 | log_warning("%s failed to run spawn next executable: %s", s->meta.id, strerror(-r)); |
80876c20 LP |
811 | |
812 | if (s->state == SOCKET_START_POST) | |
813 | socket_enter_stop_pre(s, false); | |
034c6ed7 LP |
814 | else if (s->state == SOCKET_STOP_POST) |
815 | socket_enter_dead(s, false); | |
816 | else | |
80876c20 | 817 | socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false); |
034c6ed7 LP |
818 | } |
819 | ||
87f0e418 LP |
820 | static int socket_start(Unit *u) { |
821 | Socket *s = SOCKET(u); | |
83c60c9f LP |
822 | |
823 | assert(s); | |
824 | ||
034c6ed7 LP |
825 | /* We cannot fulfill this request right now, try again later |
826 | * please! */ | |
827 | if (s->state == SOCKET_STOP_PRE || | |
828 | s->state == SOCKET_STOP_PRE_SIGKILL || | |
829 | s->state == SOCKET_STOP_PRE_SIGTERM || | |
830 | s->state == SOCKET_STOP_POST || | |
80876c20 LP |
831 | s->state == SOCKET_FINAL_SIGTERM || |
832 | s->state == SOCKET_FINAL_SIGKILL) | |
034c6ed7 LP |
833 | return -EAGAIN; |
834 | ||
83c60c9f LP |
835 | if (s->state == SOCKET_START_PRE || |
836 | s->state == SOCKET_START_POST) | |
034c6ed7 | 837 | return 0; |
83c60c9f | 838 | |
034c6ed7 | 839 | /* Cannot run this without the service being around */ |
4f2d528d LP |
840 | if (s->service) { |
841 | if (s->service->meta.load_state != UNIT_LOADED) | |
842 | return -ENOENT; | |
843 | ||
844 | /* If the service is alredy actvie we cannot start the | |
845 | * socket */ | |
846 | if (s->service->state != SERVICE_DEAD && | |
847 | s->service->state != SERVICE_MAINTAINANCE && | |
848 | s->service->state != SERVICE_AUTO_RESTART) | |
849 | return -EBUSY; | |
850 | } | |
e537352b | 851 | |
034c6ed7 | 852 | assert(s->state == SOCKET_DEAD || s->state == SOCKET_MAINTAINANCE); |
83c60c9f | 853 | |
034c6ed7 LP |
854 | s->failure = false; |
855 | socket_enter_start_pre(s); | |
856 | return 0; | |
857 | } | |
83c60c9f | 858 | |
87f0e418 LP |
859 | static int socket_stop(Unit *u) { |
860 | Socket *s = SOCKET(u); | |
034c6ed7 LP |
861 | |
862 | assert(s); | |
863 | ||
864 | /* We cannot fulfill this request right now, try again later | |
865 | * please! */ | |
866 | if (s->state == SOCKET_START_PRE || | |
867 | s->state == SOCKET_START_POST) | |
868 | return -EAGAIN; | |
83c60c9f | 869 | |
e537352b LP |
870 | /* Already on it */ |
871 | if (s->state == SOCKET_STOP_PRE || | |
872 | s->state == SOCKET_STOP_PRE_SIGTERM || | |
873 | s->state == SOCKET_STOP_PRE_SIGKILL || | |
874 | s->state == SOCKET_STOP_POST || | |
80876c20 LP |
875 | s->state == SOCKET_FINAL_SIGTERM || |
876 | s->state == SOCKET_FINAL_SIGTERM) | |
e537352b LP |
877 | return 0; |
878 | ||
034c6ed7 | 879 | assert(s->state == SOCKET_LISTENING || s->state == SOCKET_RUNNING); |
83c60c9f | 880 | |
034c6ed7 | 881 | socket_enter_stop_pre(s, true); |
542563ba LP |
882 | return 0; |
883 | } | |
884 | ||
87f0e418 LP |
885 | static UnitActiveState socket_active_state(Unit *u) { |
886 | assert(u); | |
5cb5a6ff | 887 | |
acbb0225 | 888 | return state_translation_table[SOCKET(u)->state]; |
5cb5a6ff LP |
889 | } |
890 | ||
10a94420 LP |
891 | static const char *socket_sub_state_to_string(Unit *u) { |
892 | assert(u); | |
893 | ||
894 | return state_string_table[SOCKET(u)->state]; | |
895 | } | |
896 | ||
acbb0225 | 897 | static void socket_fd_event(Unit *u, int fd, uint32_t events, Watch *w) { |
87f0e418 | 898 | Socket *s = SOCKET(u); |
4f2d528d | 899 | int cfd = -1; |
9152c765 | 900 | |
034c6ed7 | 901 | assert(s); |
9152c765 | 902 | |
9e2f7c11 | 903 | log_debug("Incoming traffic on %s", u->meta.id); |
9152c765 | 904 | |
4f2d528d LP |
905 | if (events != EPOLLIN) { |
906 | log_error("Got invalid poll event on socket."); | |
034c6ed7 | 907 | socket_enter_stop_pre(s, false); |
4f2d528d LP |
908 | return; |
909 | } | |
910 | ||
911 | if (w->data.socket_accept) { | |
912 | for (;;) { | |
913 | ||
914 | if ((cfd = accept4(fd, NULL, NULL, SOCK_NONBLOCK)) < 0) { | |
915 | ||
916 | if (errno == EINTR) | |
917 | continue; | |
918 | ||
919 | log_error("Failed to accept socket: %m"); | |
920 | socket_enter_stop_pre(s, false); | |
921 | return; | |
922 | } | |
923 | ||
924 | break; | |
925 | } | |
926 | } | |
9152c765 | 927 | |
4f2d528d | 928 | socket_enter_running(s, cfd); |
9152c765 LP |
929 | } |
930 | ||
87f0e418 LP |
931 | static void socket_sigchld_event(Unit *u, pid_t pid, int code, int status) { |
932 | Socket *s = SOCKET(u); | |
034c6ed7 | 933 | bool success; |
5cb5a6ff LP |
934 | |
935 | assert(s); | |
034c6ed7 | 936 | assert(pid >= 0); |
5cb5a6ff | 937 | |
bd982a8b | 938 | success = code == CLD_EXITED && status == 0; |
034c6ed7 | 939 | s->failure = s->failure || !success; |
542563ba | 940 | |
034c6ed7 LP |
941 | assert(s->control_pid == pid); |
942 | assert(s->control_command); | |
943 | ||
944 | exec_status_fill(&s->control_command->exec_status, pid, code, status); | |
945 | s->control_pid = 0; | |
946 | ||
9e2f7c11 | 947 | log_debug("%s control process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status); |
034c6ed7 | 948 | |
80876c20 | 949 | if (s->control_command->command_next && success) { |
9e2f7c11 | 950 | log_debug("%s running next command for state %s", u->meta.id, state_string_table[s->state]); |
034c6ed7 | 951 | socket_run_next(s, success); |
acbb0225 | 952 | } else { |
034c6ed7 LP |
953 | /* No further commands for this step, so let's figure |
954 | * out what to do next */ | |
5cb5a6ff | 955 | |
9e2f7c11 | 956 | log_debug("%s got final SIGCHLD for state %s", u->meta.id, state_string_table[s->state]); |
acbb0225 | 957 | |
034c6ed7 LP |
958 | switch (s->state) { |
959 | ||
960 | case SOCKET_START_PRE: | |
961 | if (success) | |
acbb0225 | 962 | socket_enter_start_post(s); |
034c6ed7 | 963 | else |
80876c20 | 964 | socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false); |
034c6ed7 LP |
965 | break; |
966 | ||
967 | case SOCKET_START_POST: | |
968 | if (success) | |
e9af15c3 | 969 | socket_enter_listening(s); |
034c6ed7 LP |
970 | else |
971 | socket_enter_stop_pre(s, false); | |
972 | break; | |
973 | ||
974 | case SOCKET_STOP_PRE: | |
975 | case SOCKET_STOP_PRE_SIGTERM: | |
976 | case SOCKET_STOP_PRE_SIGKILL: | |
977 | socket_enter_stop_post(s, success); | |
978 | break; | |
979 | ||
980 | case SOCKET_STOP_POST: | |
80876c20 LP |
981 | case SOCKET_FINAL_SIGTERM: |
982 | case SOCKET_FINAL_SIGKILL: | |
034c6ed7 LP |
983 | socket_enter_dead(s, success); |
984 | break; | |
985 | ||
986 | default: | |
987 | assert_not_reached("Uh, control process died at wrong time."); | |
988 | } | |
989 | } | |
990 | } | |
5cb5a6ff | 991 | |
acbb0225 | 992 | static void socket_timer_event(Unit *u, uint64_t elapsed, Watch *w) { |
87f0e418 | 993 | Socket *s = SOCKET(u); |
5cb5a6ff | 994 | |
034c6ed7 LP |
995 | assert(s); |
996 | assert(elapsed == 1); | |
acbb0225 | 997 | assert(w == &s->timer_watch); |
034c6ed7 LP |
998 | |
999 | switch (s->state) { | |
1000 | ||
1001 | case SOCKET_START_PRE: | |
9e2f7c11 | 1002 | log_warning("%s starting timed out. Terminating.", u->meta.id); |
80876c20 LP |
1003 | socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false); |
1004 | ||
034c6ed7 | 1005 | case SOCKET_START_POST: |
9e2f7c11 | 1006 | log_warning("%s starting timed out. Stopping.", u->meta.id); |
034c6ed7 LP |
1007 | socket_enter_stop_pre(s, false); |
1008 | break; | |
1009 | ||
1010 | case SOCKET_STOP_PRE: | |
9e2f7c11 | 1011 | log_warning("%s stopping timed out. Terminating.", u->meta.id); |
034c6ed7 LP |
1012 | socket_enter_signal(s, SOCKET_STOP_PRE_SIGTERM, false); |
1013 | break; | |
1014 | ||
1015 | case SOCKET_STOP_PRE_SIGTERM: | |
9e2f7c11 | 1016 | log_warning("%s stopping timed out. Killing.", u->meta.id); |
034c6ed7 LP |
1017 | socket_enter_signal(s, SOCKET_STOP_PRE_SIGKILL, false); |
1018 | break; | |
1019 | ||
1020 | case SOCKET_STOP_PRE_SIGKILL: | |
9e2f7c11 | 1021 | log_warning("%s still around after SIGKILL. Ignoring.", u->meta.id); |
034c6ed7 LP |
1022 | socket_enter_stop_post(s, false); |
1023 | break; | |
1024 | ||
1025 | case SOCKET_STOP_POST: | |
9e2f7c11 | 1026 | log_warning("%s stopping timed out (2). Terminating.", u->meta.id); |
80876c20 | 1027 | socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false); |
034c6ed7 LP |
1028 | break; |
1029 | ||
80876c20 | 1030 | case SOCKET_FINAL_SIGTERM: |
9e2f7c11 | 1031 | log_warning("%s stopping timed out (2). Killing.", u->meta.id); |
80876c20 | 1032 | socket_enter_signal(s, SOCKET_FINAL_SIGKILL, false); |
034c6ed7 LP |
1033 | break; |
1034 | ||
80876c20 | 1035 | case SOCKET_FINAL_SIGKILL: |
9e2f7c11 | 1036 | log_warning("%s still around after SIGKILL (2). Entering maintainance mode.", u->meta.id); |
034c6ed7 LP |
1037 | socket_enter_dead(s, false); |
1038 | break; | |
1039 | ||
1040 | default: | |
1041 | assert_not_reached("Timeout at wrong time."); | |
1042 | } | |
5cb5a6ff LP |
1043 | } |
1044 | ||
44d8db9e LP |
1045 | int socket_collect_fds(Socket *s, int **fds, unsigned *n_fds) { |
1046 | int *rfds; | |
1047 | unsigned rn_fds, k; | |
1048 | SocketPort *p; | |
1049 | ||
1050 | assert(s); | |
1051 | assert(fds); | |
1052 | assert(n_fds); | |
1053 | ||
1054 | /* Called from the service code for requesting our fds */ | |
1055 | ||
1056 | rn_fds = 0; | |
1057 | LIST_FOREACH(port, p, s->ports) | |
1058 | if (p->fd >= 0) | |
1059 | rn_fds++; | |
1060 | ||
1061 | if (!(rfds = new(int, rn_fds)) < 0) | |
1062 | return -ENOMEM; | |
1063 | ||
1064 | k = 0; | |
1065 | LIST_FOREACH(port, p, s->ports) | |
1066 | if (p->fd >= 0) | |
1067 | rfds[k++] = p->fd; | |
1068 | ||
1069 | assert(k == rn_fds); | |
1070 | ||
1071 | *fds = rfds; | |
1072 | *n_fds = rn_fds; | |
1073 | ||
1074 | return 0; | |
1075 | } | |
1076 | ||
ceee3d82 LP |
1077 | void socket_notify_service_dead(Socket *s) { |
1078 | assert(s); | |
1079 | ||
1080 | /* The service is dead. Dang. */ | |
1081 | ||
1082 | if (s->state == SOCKET_RUNNING) { | |
9e2f7c11 | 1083 | log_debug("%s got notified about service death.", s->meta.id); |
ceee3d82 LP |
1084 | socket_enter_listening(s); |
1085 | } | |
1086 | } | |
1087 | ||
87f0e418 | 1088 | const UnitVTable socket_vtable = { |
5cb5a6ff LP |
1089 | .suffix = ".socket", |
1090 | ||
034c6ed7 | 1091 | .init = socket_init, |
e537352b | 1092 | .load = socket_load, |
034c6ed7 LP |
1093 | .done = socket_done, |
1094 | ||
5cb5a6ff LP |
1095 | .dump = socket_dump, |
1096 | ||
542563ba LP |
1097 | .start = socket_start, |
1098 | .stop = socket_stop, | |
5cb5a6ff LP |
1099 | |
1100 | .active_state = socket_active_state, | |
10a94420 | 1101 | .sub_state_to_string = socket_sub_state_to_string, |
5cb5a6ff | 1102 | |
9152c765 | 1103 | .fd_event = socket_fd_event, |
034c6ed7 LP |
1104 | .sigchld_event = socket_sigchld_event, |
1105 | .timer_event = socket_timer_event | |
5cb5a6ff | 1106 | }; |