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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" |
4139c1b2 | 38 | #include "dbus-socket.h" |
4fd5948e | 39 | #include "missing.h" |
a40eb732 | 40 | #include "special.h" |
398ef8ba | 41 | #include "bus-errors.h" |
83c60c9f | 42 | |
acbb0225 | 43 | static const UnitActiveState state_translation_table[_SOCKET_STATE_MAX] = { |
87f0e418 LP |
44 | [SOCKET_DEAD] = UNIT_INACTIVE, |
45 | [SOCKET_START_PRE] = UNIT_ACTIVATING, | |
46 | [SOCKET_START_POST] = UNIT_ACTIVATING, | |
47 | [SOCKET_LISTENING] = UNIT_ACTIVE, | |
48 | [SOCKET_RUNNING] = UNIT_ACTIVE, | |
49 | [SOCKET_STOP_PRE] = UNIT_DEACTIVATING, | |
50 | [SOCKET_STOP_PRE_SIGTERM] = UNIT_DEACTIVATING, | |
51 | [SOCKET_STOP_PRE_SIGKILL] = UNIT_DEACTIVATING, | |
52 | [SOCKET_STOP_POST] = UNIT_DEACTIVATING, | |
80876c20 LP |
53 | [SOCKET_FINAL_SIGTERM] = UNIT_DEACTIVATING, |
54 | [SOCKET_FINAL_SIGKILL] = UNIT_DEACTIVATING, | |
032ff4af | 55 | [SOCKET_MAINTENANCE] = UNIT_MAINTENANCE |
83c60c9f | 56 | }; |
5cb5a6ff | 57 | |
a16e1123 LP |
58 | static void socket_init(Unit *u) { |
59 | Socket *s = SOCKET(u); | |
60 | ||
61 | assert(u); | |
62 | assert(u->meta.load_state == UNIT_STUB); | |
63 | ||
a16e1123 LP |
64 | s->backlog = SOMAXCONN; |
65 | s->timeout_usec = DEFAULT_TIMEOUT_USEC; | |
66 | s->directory_mode = 0755; | |
67 | s->socket_mode = 0666; | |
68 | ||
6cf6bbc2 LP |
69 | s->max_connections = 64; |
70 | ||
4fd5948e | 71 | s->priority = -1; |
4fd5948e LP |
72 | s->ip_tos = -1; |
73 | s->ip_ttl = -1; | |
4fd5948e | 74 | s->mark = -1; |
4fd5948e | 75 | |
a16e1123 LP |
76 | exec_context_init(&s->exec_context); |
77 | ||
78 | s->control_command_id = _SOCKET_EXEC_COMMAND_INVALID; | |
79 | } | |
acbb0225 | 80 | |
5e94833f LP |
81 | static void socket_unwatch_control_pid(Socket *s) { |
82 | assert(s); | |
83 | ||
84 | if (s->control_pid <= 0) | |
85 | return; | |
86 | ||
87 | unit_unwatch_pid(UNIT(s), s->control_pid); | |
88 | s->control_pid = 0; | |
89 | } | |
90 | ||
87f0e418 LP |
91 | static void socket_done(Unit *u) { |
92 | Socket *s = SOCKET(u); | |
034c6ed7 | 93 | SocketPort *p; |
6cf6bbc2 | 94 | Meta *i; |
034c6ed7 LP |
95 | |
96 | assert(s); | |
97 | ||
98 | while ((p = s->ports)) { | |
99 | LIST_REMOVE(SocketPort, port, s->ports, p); | |
100 | ||
a16e1123 LP |
101 | if (p->fd >= 0) { |
102 | unit_unwatch_fd(UNIT(s), &p->fd_watch); | |
103 | close_nointr_nofail(p->fd); | |
104 | } | |
105 | ||
034c6ed7 LP |
106 | free(p->path); |
107 | free(p); | |
108 | } | |
109 | ||
110 | exec_context_done(&s->exec_context); | |
e537352b | 111 | exec_command_free_array(s->exec_command, _SOCKET_EXEC_COMMAND_MAX); |
034c6ed7 LP |
112 | s->control_command = NULL; |
113 | ||
5e94833f | 114 | socket_unwatch_control_pid(s); |
034c6ed7 LP |
115 | |
116 | s->service = NULL; | |
117 | ||
acbb0225 | 118 | free(s->bind_to_device); |
e537352b | 119 | s->bind_to_device = NULL; |
acbb0225 LP |
120 | |
121 | unit_unwatch_timer(u, &s->timer_watch); | |
6cf6bbc2 LP |
122 | |
123 | /* Make sure no service instance refers to us anymore. */ | |
124 | LIST_FOREACH(units_per_type, i, u->meta.manager->units_per_type[UNIT_SERVICE]) { | |
125 | Service *service = (Service *) i; | |
126 | ||
127 | if (service->socket == s) | |
128 | service->socket = NULL; | |
129 | } | |
5cb5a6ff LP |
130 | } |
131 | ||
4f2d528d LP |
132 | static bool have_non_accept_socket(Socket *s) { |
133 | SocketPort *p; | |
134 | ||
135 | assert(s); | |
136 | ||
137 | if (!s->accept) | |
138 | return true; | |
139 | ||
dd5ad9d4 LP |
140 | LIST_FOREACH(port, p, s->ports) { |
141 | ||
142 | if (p->type != SOCKET_SOCKET) | |
143 | return true; | |
144 | ||
4f2d528d LP |
145 | if (!socket_address_can_accept(&p->address)) |
146 | return true; | |
dd5ad9d4 | 147 | } |
4f2d528d LP |
148 | |
149 | return false; | |
150 | } | |
151 | ||
152 | static int socket_verify(Socket *s) { | |
153 | assert(s); | |
154 | ||
4cd1fbcc | 155 | if (s->meta.load_state != UNIT_LOADED) |
4f2d528d LP |
156 | return 0; |
157 | ||
158 | if (!s->ports) { | |
4cd1fbcc | 159 | log_error("%s lacks Listen setting. Refusing.", s->meta.id); |
4f2d528d LP |
160 | return -EINVAL; |
161 | } | |
162 | ||
6cf6bbc2 | 163 | if (s->accept && s->max_connections <= 0) { |
4d0e5dbd LP |
164 | log_error("%s's MaxConnection setting too small. Refusing.", s->meta.id); |
165 | return -EINVAL; | |
166 | } | |
167 | ||
2e22afe9 | 168 | if (s->exec_context.pam_name && s->exec_context.kill_mode != KILL_CONTROL_GROUP) { |
4d0e5dbd | 169 | log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", s->meta.id); |
6cf6bbc2 LP |
170 | return -EINVAL; |
171 | } | |
172 | ||
4f2d528d LP |
173 | return 0; |
174 | } | |
175 | ||
6e2ef85b LP |
176 | static bool socket_needs_mount(Socket *s, const char *prefix) { |
177 | SocketPort *p; | |
178 | ||
179 | assert(s); | |
180 | ||
181 | LIST_FOREACH(port, p, s->ports) { | |
182 | ||
183 | if (p->type == SOCKET_SOCKET) { | |
184 | if (socket_address_needs_mount(&p->address, prefix)) | |
185 | return true; | |
186 | } else { | |
187 | assert(p->type == SOCKET_FIFO); | |
188 | if (path_startswith(p->path, prefix)) | |
189 | return true; | |
190 | } | |
191 | } | |
192 | ||
193 | return false; | |
194 | } | |
195 | ||
196 | int socket_add_one_mount_link(Socket *s, Mount *m) { | |
197 | int r; | |
198 | ||
199 | assert(s); | |
200 | assert(m); | |
201 | ||
202 | if (s->meta.load_state != UNIT_LOADED || | |
203 | m->meta.load_state != UNIT_LOADED) | |
204 | return 0; | |
205 | ||
206 | if (!socket_needs_mount(s, m->where)) | |
207 | return 0; | |
208 | ||
2c966c03 | 209 | if ((r = unit_add_two_dependencies(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, UNIT(m), true)) < 0) |
6e2ef85b LP |
210 | return r; |
211 | ||
212 | return 0; | |
213 | } | |
214 | ||
215 | static int socket_add_mount_links(Socket *s) { | |
216 | Meta *other; | |
217 | int r; | |
218 | ||
219 | assert(s); | |
220 | ||
221 | LIST_FOREACH(units_per_type, other, s->meta.manager->units_per_type[UNIT_MOUNT]) | |
222 | if ((r = socket_add_one_mount_link(s, (Mount*) other)) < 0) | |
223 | return r; | |
224 | ||
225 | return 0; | |
226 | } | |
227 | ||
228 | static int socket_add_device_link(Socket *s) { | |
229 | char *t; | |
230 | int r; | |
231 | ||
232 | assert(s); | |
233 | ||
234 | if (!s->bind_to_device) | |
235 | return 0; | |
236 | ||
237 | if (asprintf(&t, "/sys/subsystem/net/devices/%s", s->bind_to_device) < 0) | |
238 | return -ENOMEM; | |
239 | ||
240 | r = unit_add_node_link(UNIT(s), t, false); | |
241 | free(t); | |
242 | ||
243 | return r; | |
244 | } | |
245 | ||
a40eb732 LP |
246 | static int socket_add_default_dependencies(Socket *s) { |
247 | int r; | |
248 | assert(s); | |
249 | ||
250 | if (s->meta.manager->running_as == MANAGER_SYSTEM) | |
251 | if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SYSINIT_TARGET, NULL, true)) < 0) | |
252 | return r; | |
253 | ||
254 | return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true); | |
255 | } | |
256 | ||
e537352b LP |
257 | static int socket_load(Unit *u) { |
258 | Socket *s = SOCKET(u); | |
259 | int r; | |
44d8db9e | 260 | |
e537352b LP |
261 | assert(u); |
262 | assert(u->meta.load_state == UNIT_STUB); | |
44d8db9e | 263 | |
e537352b | 264 | if ((r = unit_load_fragment_and_dropin(u)) < 0) |
23a177ef | 265 | return r; |
44d8db9e | 266 | |
23a177ef | 267 | /* This is a new unit? Then let's add in some extras */ |
e537352b | 268 | if (u->meta.load_state == UNIT_LOADED) { |
44d8db9e | 269 | |
4f2d528d | 270 | if (have_non_accept_socket(s)) { |
25366e09 | 271 | if ((r = unit_load_related_unit(u, ".service", (Unit**) &s->service)) < 0) |
4f2d528d | 272 | return r; |
23a177ef | 273 | |
701cc384 | 274 | if ((r = unit_add_dependency(u, UNIT_BEFORE, UNIT(s->service), true)) < 0) |
4f2d528d LP |
275 | return r; |
276 | } | |
44d8db9e | 277 | |
6e2ef85b LP |
278 | if ((r = socket_add_mount_links(s)) < 0) |
279 | return r; | |
280 | ||
281 | if ((r = socket_add_device_link(s)) < 0) | |
282 | return r; | |
283 | ||
23a177ef LP |
284 | if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0) |
285 | return r; | |
286 | ||
287 | if ((r = unit_add_default_cgroup(u)) < 0) | |
288 | return r; | |
a40eb732 LP |
289 | |
290 | if (s->meta.default_dependencies) | |
291 | if ((r = socket_add_default_dependencies(s)) < 0) | |
292 | return r; | |
23a177ef LP |
293 | } |
294 | ||
4f2d528d | 295 | return socket_verify(s); |
44d8db9e LP |
296 | } |
297 | ||
542563ba LP |
298 | static const char* listen_lookup(int type) { |
299 | ||
300 | if (type == SOCK_STREAM) | |
301 | return "ListenStream"; | |
302 | else if (type == SOCK_DGRAM) | |
303 | return "ListenDatagram"; | |
304 | else if (type == SOCK_SEQPACKET) | |
305 | return "ListenSequentialPacket"; | |
306 | ||
034c6ed7 | 307 | assert_not_reached("Unknown socket type"); |
542563ba LP |
308 | return NULL; |
309 | } | |
310 | ||
87f0e418 | 311 | static void socket_dump(Unit *u, FILE *f, const char *prefix) { |
5cb5a6ff | 312 | |
5cb5a6ff | 313 | SocketExecCommand c; |
87f0e418 | 314 | Socket *s = SOCKET(u); |
542563ba | 315 | SocketPort *p; |
82ba9f08 LP |
316 | const char *prefix2; |
317 | char *p2; | |
5cb5a6ff LP |
318 | |
319 | assert(s); | |
fa068367 | 320 | assert(f); |
5cb5a6ff | 321 | |
82ba9f08 LP |
322 | p2 = strappend(prefix, "\t"); |
323 | prefix2 = p2 ? p2 : prefix; | |
c43d20a0 | 324 | |
5cb5a6ff LP |
325 | fprintf(f, |
326 | "%sSocket State: %s\n" | |
542563ba | 327 | "%sBindIPv6Only: %s\n" |
b5a0699f LP |
328 | "%sBacklog: %u\n" |
329 | "%sSocketMode: %04o\n" | |
4fd5948e LP |
330 | "%sDirectoryMode: %04o\n" |
331 | "%sKeepAlive: %s\n" | |
332 | "%sFreeBind: %s\n", | |
a16e1123 | 333 | prefix, socket_state_to_string(s->state), |
c0120d99 | 334 | prefix, socket_address_bind_ipv6_only_to_string(s->bind_ipv6_only), |
b5a0699f LP |
335 | prefix, s->backlog, |
336 | prefix, s->socket_mode, | |
4fd5948e LP |
337 | prefix, s->directory_mode, |
338 | prefix, yes_no(s->keep_alive), | |
339 | prefix, yes_no(s->free_bind)); | |
542563ba | 340 | |
70123e68 LP |
341 | if (s->control_pid > 0) |
342 | fprintf(f, | |
bb00e604 LP |
343 | "%sControl PID: %lu\n", |
344 | prefix, (unsigned long) s->control_pid); | |
70123e68 | 345 | |
acbb0225 LP |
346 | if (s->bind_to_device) |
347 | fprintf(f, | |
348 | "%sBindToDevice: %s\n", | |
349 | prefix, s->bind_to_device); | |
350 | ||
4f2d528d LP |
351 | if (s->accept) |
352 | fprintf(f, | |
6cf6bbc2 LP |
353 | "%sAccepted: %u\n" |
354 | "%sNConnections: %u\n" | |
355 | "%sMaxConnections: %u\n", | |
356 | prefix, s->n_accepted, | |
357 | prefix, s->n_connections, | |
358 | prefix, s->max_connections); | |
4f2d528d | 359 | |
4fd5948e LP |
360 | if (s->priority >= 0) |
361 | fprintf(f, | |
362 | "%sPriority: %i\n", | |
363 | prefix, s->priority); | |
364 | ||
365 | if (s->receive_buffer > 0) | |
366 | fprintf(f, | |
367 | "%sReceiveBuffer: %zu\n", | |
368 | prefix, s->receive_buffer); | |
369 | ||
370 | if (s->send_buffer > 0) | |
371 | fprintf(f, | |
372 | "%sSendBuffer: %zu\n", | |
373 | prefix, s->send_buffer); | |
374 | ||
375 | if (s->ip_tos >= 0) | |
376 | fprintf(f, | |
377 | "%sIPTOS: %i\n", | |
378 | prefix, s->ip_tos); | |
379 | ||
380 | if (s->ip_ttl >= 0) | |
381 | fprintf(f, | |
382 | "%sIPTTL: %i\n", | |
383 | prefix, s->ip_ttl); | |
384 | ||
385 | if (s->pipe_size > 0) | |
386 | fprintf(f, | |
387 | "%sPipeSize: %zu\n", | |
388 | prefix, s->pipe_size); | |
389 | ||
390 | if (s->mark >= 0) | |
391 | fprintf(f, | |
392 | "%sMark: %i\n", | |
393 | prefix, s->mark); | |
394 | ||
034c6ed7 | 395 | LIST_FOREACH(port, p, s->ports) { |
5cb5a6ff | 396 | |
542563ba LP |
397 | if (p->type == SOCKET_SOCKET) { |
398 | const char *t; | |
399 | int r; | |
400 | char *k; | |
401 | ||
402 | if ((r = socket_address_print(&p->address, &k)) < 0) | |
403 | t = strerror(-r); | |
404 | else | |
405 | t = k; | |
406 | ||
407 | fprintf(f, "%s%s: %s\n", prefix, listen_lookup(p->address.type), k); | |
408 | free(k); | |
409 | } else | |
410 | fprintf(f, "%sListenFIFO: %s\n", prefix, p->path); | |
411 | } | |
5cb5a6ff LP |
412 | |
413 | exec_context_dump(&s->exec_context, f, prefix); | |
414 | ||
e537352b | 415 | for (c = 0; c < _SOCKET_EXEC_COMMAND_MAX; c++) { |
c43d20a0 LP |
416 | if (!s->exec_command[c]) |
417 | continue; | |
5cb5a6ff | 418 | |
40d50879 | 419 | fprintf(f, "%s-> %s:\n", |
a16e1123 | 420 | prefix, socket_exec_command_to_string(c)); |
c43d20a0 LP |
421 | |
422 | exec_command_dump_list(s->exec_command[c], f, prefix2); | |
5cb5a6ff | 423 | } |
c43d20a0 | 424 | |
82ba9f08 | 425 | free(p2); |
5cb5a6ff LP |
426 | } |
427 | ||
4f2d528d LP |
428 | static int instance_from_socket(int fd, unsigned nr, char **instance) { |
429 | socklen_t l; | |
430 | char *r; | |
431 | union { | |
432 | struct sockaddr sa; | |
433 | struct sockaddr_un un; | |
434 | struct sockaddr_in in; | |
435 | struct sockaddr_in6 in6; | |
436 | struct sockaddr_storage storage; | |
437 | } local, remote; | |
438 | ||
439 | assert(fd >= 0); | |
440 | assert(instance); | |
441 | ||
442 | l = sizeof(local); | |
443 | if (getsockname(fd, &local.sa, &l) < 0) | |
444 | return -errno; | |
445 | ||
446 | l = sizeof(remote); | |
447 | if (getpeername(fd, &remote.sa, &l) < 0) | |
448 | return -errno; | |
449 | ||
450 | switch (local.sa.sa_family) { | |
451 | ||
452 | case AF_INET: { | |
453 | uint32_t | |
454 | a = ntohl(local.in.sin_addr.s_addr), | |
455 | b = ntohl(remote.in.sin_addr.s_addr); | |
456 | ||
457 | if (asprintf(&r, | |
a16e1123 | 458 | "%u-%u.%u.%u.%u:%u-%u.%u.%u.%u:%u", |
4f2d528d LP |
459 | nr, |
460 | a >> 24, (a >> 16) & 0xFF, (a >> 8) & 0xFF, a & 0xFF, | |
461 | ntohs(local.in.sin_port), | |
462 | b >> 24, (b >> 16) & 0xFF, (b >> 8) & 0xFF, b & 0xFF, | |
463 | ntohs(remote.in.sin_port)) < 0) | |
464 | return -ENOMEM; | |
465 | ||
466 | break; | |
467 | } | |
468 | ||
469 | case AF_INET6: { | |
2b061f5a LP |
470 | static const char ipv4_prefix[] = { |
471 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xFF, 0xFF | |
472 | }; | |
473 | ||
474 | if (memcmp(&local.in6.sin6_addr, ipv4_prefix, sizeof(ipv4_prefix)) == 0 && | |
475 | memcmp(&remote.in6.sin6_addr, ipv4_prefix, sizeof(ipv4_prefix)) == 0) { | |
476 | const uint8_t | |
477 | *a = local.in6.sin6_addr.s6_addr+12, | |
478 | *b = remote.in6.sin6_addr.s6_addr+12; | |
479 | ||
480 | if (asprintf(&r, | |
481 | "%u-%u.%u.%u.%u:%u-%u.%u.%u.%u:%u", | |
482 | nr, | |
483 | a[0], a[1], a[2], a[3], | |
484 | ntohs(local.in6.sin6_port), | |
485 | b[0], b[1], b[2], b[3], | |
486 | ntohs(remote.in6.sin6_port)) < 0) | |
487 | return -ENOMEM; | |
488 | } else { | |
489 | char a[INET6_ADDRSTRLEN], b[INET6_ADDRSTRLEN]; | |
490 | ||
491 | if (asprintf(&r, | |
492 | "%u-%s:%u-%s:%u", | |
493 | nr, | |
494 | inet_ntop(AF_INET6, &local.in6.sin6_addr, a, sizeof(a)), | |
495 | ntohs(local.in6.sin6_port), | |
496 | inet_ntop(AF_INET6, &remote.in6.sin6_addr, b, sizeof(b)), | |
497 | ntohs(remote.in6.sin6_port)) < 0) | |
498 | return -ENOMEM; | |
499 | } | |
4f2d528d LP |
500 | |
501 | break; | |
502 | } | |
503 | ||
504 | case AF_UNIX: { | |
505 | struct ucred ucred; | |
506 | ||
507 | l = sizeof(ucred); | |
508 | if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &ucred, &l) < 0) | |
509 | return -errno; | |
510 | ||
511 | if (asprintf(&r, | |
bb00e604 | 512 | "%u-%lu-%lu", |
4f2d528d | 513 | nr, |
bb00e604 LP |
514 | (unsigned long) ucred.pid, |
515 | (unsigned long) ucred.uid) < 0) | |
4f2d528d LP |
516 | return -ENOMEM; |
517 | ||
518 | break; | |
519 | } | |
520 | ||
521 | default: | |
522 | assert_not_reached("Unhandled socket type."); | |
523 | } | |
524 | ||
525 | *instance = r; | |
526 | return 0; | |
527 | } | |
528 | ||
034c6ed7 | 529 | static void socket_close_fds(Socket *s) { |
83c60c9f LP |
530 | SocketPort *p; |
531 | ||
532 | assert(s); | |
533 | ||
034c6ed7 | 534 | LIST_FOREACH(port, p, s->ports) { |
83c60c9f LP |
535 | if (p->fd < 0) |
536 | continue; | |
537 | ||
acbb0225 | 538 | unit_unwatch_fd(UNIT(s), &p->fd_watch); |
a16e1123 LP |
539 | close_nointr_nofail(p->fd); |
540 | ||
541 | /* One little note: we should never delete any sockets | |
542 | * in the file system here! After all some other | |
543 | * process we spawned might still have a reference of | |
544 | * this fd and wants to continue to use it. Therefore | |
545 | * we delete sockets in the file system before we | |
546 | * create a new one, not after we stopped using | |
547 | * one! */ | |
9152c765 | 548 | |
83c60c9f LP |
549 | p->fd = -1; |
550 | } | |
551 | } | |
552 | ||
4fd5948e LP |
553 | static void socket_apply_socket_options(Socket *s, int fd) { |
554 | assert(s); | |
555 | assert(fd >= 0); | |
556 | ||
557 | if (s->keep_alive) { | |
558 | int b = s->keep_alive; | |
559 | if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &b, sizeof(b)) < 0) | |
560 | log_warning("SO_KEEPALIVE failed: %m"); | |
561 | } | |
562 | ||
563 | if (s->priority >= 0) | |
564 | if (setsockopt(fd, SOL_SOCKET, SO_PRIORITY, &s->priority, sizeof(s->priority)) < 0) | |
565 | log_warning("SO_PRIORITY failed: %m"); | |
566 | ||
567 | if (s->receive_buffer > 0) { | |
568 | int value = (int) s->receive_buffer; | |
569 | if (setsockopt(fd, SOL_SOCKET, SO_RCVBUF, &value, sizeof(value)) < 0) | |
570 | log_warning("SO_RCVBUF failed: %m"); | |
571 | } | |
572 | ||
573 | if (s->send_buffer > 0) { | |
574 | int value = (int) s->send_buffer; | |
575 | if (setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &value, sizeof(value)) < 0) | |
576 | log_warning("SO_SNDBUF failed: %m"); | |
577 | } | |
578 | ||
579 | if (s->mark >= 0) | |
580 | if (setsockopt(fd, SOL_SOCKET, SO_MARK, &s->mark, sizeof(s->mark)) < 0) | |
581 | log_warning("SO_MARK failed: %m"); | |
582 | ||
583 | if (s->ip_tos >= 0) | |
584 | if (setsockopt(fd, IPPROTO_IP, IP_TOS, &s->ip_tos, sizeof(s->ip_tos)) < 0) | |
585 | log_warning("IP_TOS failed: %m"); | |
586 | ||
46925ac5 LP |
587 | if (s->ip_ttl >= 0) { |
588 | int r, x; | |
589 | ||
590 | r = setsockopt(fd, IPPROTO_IP, IP_TTL, &s->ip_ttl, sizeof(s->ip_ttl)); | |
591 | x = setsockopt(fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS, &s->ip_ttl, sizeof(s->ip_ttl)); | |
592 | ||
593 | if (r < 0 && x < 0) | |
594 | log_warning("IP_TTL/IPV6_UNICAST_HOPS failed: %m"); | |
595 | } | |
4fd5948e LP |
596 | } |
597 | ||
598 | static void socket_apply_pipe_options(Socket *s, int fd) { | |
599 | assert(s); | |
600 | assert(fd >= 0); | |
601 | ||
602 | if (s->pipe_size > 0) | |
603 | if (fcntl(fd, F_SETPIPE_SZ, s->pipe_size) < 0) | |
604 | log_warning("F_SETPIPE_SZ: %m"); | |
605 | } | |
606 | ||
034c6ed7 | 607 | static int socket_open_fds(Socket *s) { |
83c60c9f LP |
608 | SocketPort *p; |
609 | int r; | |
610 | ||
611 | assert(s); | |
612 | ||
034c6ed7 | 613 | LIST_FOREACH(port, p, s->ports) { |
83c60c9f | 614 | |
034c6ed7 LP |
615 | if (p->fd >= 0) |
616 | continue; | |
83c60c9f LP |
617 | |
618 | if (p->type == SOCKET_SOCKET) { | |
619 | ||
b5a0699f LP |
620 | if ((r = socket_address_listen( |
621 | &p->address, | |
622 | s->backlog, | |
623 | s->bind_ipv6_only, | |
624 | s->bind_to_device, | |
4fd5948e | 625 | s->free_bind, |
b5a0699f LP |
626 | s->directory_mode, |
627 | s->socket_mode, | |
628 | &p->fd)) < 0) | |
83c60c9f LP |
629 | goto rollback; |
630 | ||
4fd5948e LP |
631 | socket_apply_socket_options(s, p->fd); |
632 | ||
83c60c9f LP |
633 | } else { |
634 | struct stat st; | |
635 | assert(p->type == SOCKET_FIFO); | |
636 | ||
8cb45bf8 LP |
637 | mkdir_parents(p->path, s->directory_mode); |
638 | ||
639 | if (mkfifo(p->path, s->socket_mode) < 0 && errno != EEXIST) { | |
83c60c9f LP |
640 | r = -errno; |
641 | goto rollback; | |
642 | } | |
643 | ||
644 | if ((p->fd = open(p->path, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK|O_NOFOLLOW)) < 0) { | |
645 | r = -errno; | |
646 | goto rollback; | |
647 | } | |
648 | ||
649 | if (fstat(p->fd, &st) < 0) { | |
650 | r = -errno; | |
651 | goto rollback; | |
652 | } | |
653 | ||
654 | /* FIXME verify user, access mode */ | |
655 | ||
656 | if (!S_ISFIFO(st.st_mode)) { | |
657 | r = -EEXIST; | |
658 | goto rollback; | |
659 | } | |
4fd5948e LP |
660 | |
661 | socket_apply_pipe_options(s, p->fd); | |
83c60c9f | 662 | } |
034c6ed7 LP |
663 | } |
664 | ||
665 | return 0; | |
666 | ||
667 | rollback: | |
668 | socket_close_fds(s); | |
669 | return r; | |
670 | } | |
671 | ||
672 | static void socket_unwatch_fds(Socket *s) { | |
673 | SocketPort *p; | |
9152c765 | 674 | |
034c6ed7 LP |
675 | assert(s); |
676 | ||
677 | LIST_FOREACH(port, p, s->ports) { | |
678 | if (p->fd < 0) | |
679 | continue; | |
680 | ||
acbb0225 | 681 | unit_unwatch_fd(UNIT(s), &p->fd_watch); |
83c60c9f | 682 | } |
034c6ed7 LP |
683 | } |
684 | ||
685 | static int socket_watch_fds(Socket *s) { | |
686 | SocketPort *p; | |
687 | int r; | |
688 | ||
689 | assert(s); | |
83c60c9f | 690 | |
034c6ed7 LP |
691 | LIST_FOREACH(port, p, s->ports) { |
692 | if (p->fd < 0) | |
693 | continue; | |
694 | ||
cabab516 | 695 | p->fd_watch.socket_accept = |
4f2d528d | 696 | s->accept && |
dd5ad9d4 | 697 | p->type == SOCKET_SOCKET && |
4f2d528d LP |
698 | socket_address_can_accept(&p->address); |
699 | ||
f94ea366 | 700 | if ((r = unit_watch_fd(UNIT(s), p->fd, EPOLLIN, &p->fd_watch)) < 0) |
034c6ed7 LP |
701 | goto fail; |
702 | } | |
83c60c9f | 703 | |
542563ba | 704 | return 0; |
83c60c9f | 705 | |
034c6ed7 LP |
706 | fail: |
707 | socket_unwatch_fds(s); | |
708 | return r; | |
709 | } | |
710 | ||
711 | static void socket_set_state(Socket *s, SocketState state) { | |
712 | SocketState old_state; | |
713 | assert(s); | |
714 | ||
715 | old_state = s->state; | |
716 | s->state = state; | |
717 | ||
718 | if (state != SOCKET_START_PRE && | |
719 | state != SOCKET_START_POST && | |
720 | state != SOCKET_STOP_PRE && | |
721 | state != SOCKET_STOP_PRE_SIGTERM && | |
722 | state != SOCKET_STOP_PRE_SIGKILL && | |
723 | state != SOCKET_STOP_POST && | |
80876c20 LP |
724 | state != SOCKET_FINAL_SIGTERM && |
725 | state != SOCKET_FINAL_SIGKILL) { | |
acbb0225 | 726 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
5e94833f | 727 | socket_unwatch_control_pid(s); |
034c6ed7 | 728 | s->control_command = NULL; |
a16e1123 | 729 | s->control_command_id = _SOCKET_EXEC_COMMAND_INVALID; |
e537352b | 730 | } |
034c6ed7 | 731 | |
a16e1123 LP |
732 | if (state != SOCKET_LISTENING) |
733 | socket_unwatch_fds(s); | |
734 | ||
034c6ed7 LP |
735 | if (state != SOCKET_START_POST && |
736 | state != SOCKET_LISTENING && | |
737 | state != SOCKET_RUNNING && | |
738 | state != SOCKET_STOP_PRE && | |
739 | state != SOCKET_STOP_PRE_SIGTERM && | |
740 | state != SOCKET_STOP_PRE_SIGKILL) | |
741 | socket_close_fds(s); | |
742 | ||
e537352b | 743 | if (state != old_state) |
40d50879 | 744 | log_debug("%s changed %s -> %s", |
a16e1123 LP |
745 | s->meta.id, |
746 | socket_state_to_string(old_state), | |
747 | socket_state_to_string(state)); | |
acbb0225 LP |
748 | |
749 | unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]); | |
034c6ed7 LP |
750 | } |
751 | ||
a16e1123 LP |
752 | static int socket_coldplug(Unit *u) { |
753 | Socket *s = SOCKET(u); | |
754 | int r; | |
755 | ||
756 | assert(s); | |
757 | assert(s->state == SOCKET_DEAD); | |
758 | ||
759 | if (s->deserialized_state != s->state) { | |
760 | ||
761 | if (s->deserialized_state == SOCKET_START_PRE || | |
762 | s->deserialized_state == SOCKET_START_POST || | |
763 | s->deserialized_state == SOCKET_STOP_PRE || | |
764 | s->deserialized_state == SOCKET_STOP_PRE_SIGTERM || | |
765 | s->deserialized_state == SOCKET_STOP_PRE_SIGKILL || | |
766 | s->deserialized_state == SOCKET_STOP_POST || | |
767 | s->deserialized_state == SOCKET_FINAL_SIGTERM || | |
768 | s->deserialized_state == SOCKET_FINAL_SIGKILL) { | |
769 | ||
770 | if (s->control_pid <= 0) | |
771 | return -EBADMSG; | |
772 | ||
773 | if ((r = unit_watch_pid(UNIT(s), s->control_pid)) < 0) | |
774 | return r; | |
775 | ||
776 | if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0) | |
777 | return r; | |
778 | } | |
779 | ||
780 | if (s->deserialized_state == SOCKET_START_POST || | |
781 | s->deserialized_state == SOCKET_LISTENING || | |
782 | s->deserialized_state == SOCKET_RUNNING || | |
783 | s->deserialized_state == SOCKET_STOP_PRE || | |
784 | s->deserialized_state == SOCKET_STOP_PRE_SIGTERM || | |
785 | s->deserialized_state == SOCKET_STOP_PRE_SIGKILL) | |
786 | if ((r = socket_open_fds(s)) < 0) | |
787 | return r; | |
788 | ||
789 | if (s->deserialized_state == SOCKET_LISTENING) | |
790 | if ((r = socket_watch_fds(s)) < 0) | |
791 | return r; | |
792 | ||
793 | socket_set_state(s, s->deserialized_state); | |
794 | } | |
795 | ||
796 | return 0; | |
797 | } | |
798 | ||
e537352b | 799 | static int socket_spawn(Socket *s, ExecCommand *c, pid_t *_pid) { |
034c6ed7 LP |
800 | pid_t pid; |
801 | int r; | |
9e2f7c11 | 802 | char **argv; |
034c6ed7 LP |
803 | |
804 | assert(s); | |
805 | assert(c); | |
806 | assert(_pid); | |
807 | ||
e537352b LP |
808 | if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0) |
809 | goto fail; | |
034c6ed7 | 810 | |
9e2f7c11 LP |
811 | if (!(argv = unit_full_printf_strv(UNIT(s), c->argv))) { |
812 | r = -ENOMEM; | |
813 | goto fail; | |
814 | } | |
815 | ||
816 | r = exec_spawn(c, | |
817 | argv, | |
818 | &s->exec_context, | |
819 | NULL, 0, | |
1137a57c | 820 | s->meta.manager->environment, |
9e2f7c11 LP |
821 | true, |
822 | true, | |
1e3ad081 | 823 | true, |
4cd1fbcc LP |
824 | s->meta.manager->confirm_spawn, |
825 | s->meta.cgroup_bondings, | |
9e2f7c11 LP |
826 | &pid); |
827 | ||
828 | strv_free(argv); | |
829 | if (r < 0) | |
034c6ed7 LP |
830 | goto fail; |
831 | ||
87f0e418 | 832 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) |
034c6ed7 LP |
833 | /* FIXME: we need to do something here */ |
834 | goto fail; | |
83c60c9f | 835 | |
034c6ed7 LP |
836 | *_pid = pid; |
837 | ||
838 | return 0; | |
839 | ||
840 | fail: | |
e537352b | 841 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
83c60c9f LP |
842 | |
843 | return r; | |
542563ba LP |
844 | } |
845 | ||
034c6ed7 LP |
846 | static void socket_enter_dead(Socket *s, bool success) { |
847 | assert(s); | |
848 | ||
849 | if (!success) | |
850 | s->failure = true; | |
851 | ||
18c78fb1 | 852 | socket_set_state(s, s->failure ? SOCKET_MAINTENANCE : SOCKET_DEAD); |
034c6ed7 LP |
853 | } |
854 | ||
80876c20 LP |
855 | static void socket_enter_signal(Socket *s, SocketState state, bool success); |
856 | ||
034c6ed7 LP |
857 | static void socket_enter_stop_post(Socket *s, bool success) { |
858 | int r; | |
859 | assert(s); | |
860 | ||
861 | if (!success) | |
862 | s->failure = true; | |
863 | ||
5e94833f LP |
864 | socket_unwatch_control_pid(s); |
865 | ||
a16e1123 LP |
866 | s->control_command_id = SOCKET_EXEC_STOP_POST; |
867 | ||
80876c20 | 868 | if ((s->control_command = s->exec_command[SOCKET_EXEC_STOP_POST])) { |
e537352b | 869 | if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0) |
034c6ed7 LP |
870 | goto fail; |
871 | ||
80876c20 LP |
872 | socket_set_state(s, SOCKET_STOP_POST); |
873 | } else | |
874 | socket_enter_signal(s, SOCKET_FINAL_SIGTERM, true); | |
034c6ed7 LP |
875 | |
876 | return; | |
877 | ||
878 | fail: | |
6cf6bbc2 | 879 | log_warning("%s failed to run 'stop-post' task: %s", s->meta.id, strerror(-r)); |
80876c20 | 880 | socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false); |
034c6ed7 LP |
881 | } |
882 | ||
883 | static void socket_enter_signal(Socket *s, SocketState state, bool success) { | |
884 | int r; | |
80876c20 | 885 | bool sent = false; |
034c6ed7 LP |
886 | |
887 | assert(s); | |
888 | ||
889 | if (!success) | |
890 | s->failure = true; | |
891 | ||
2e22afe9 LP |
892 | if (s->exec_context.kill_mode != KILL_NONE) { |
893 | int sig = (state == SOCKET_STOP_PRE_SIGTERM || state == SOCKET_FINAL_SIGTERM) ? s->exec_context.kill_signal : SIGKILL; | |
034c6ed7 | 894 | |
2e22afe9 | 895 | if (s->exec_context.kill_mode == KILL_CONTROL_GROUP) { |
50159e6a | 896 | |
4cd1fbcc | 897 | if ((r = cgroup_bonding_kill_list(s->meta.cgroup_bondings, sig)) < 0) { |
50159e6a LP |
898 | if (r != -EAGAIN && r != -ESRCH) |
899 | goto fail; | |
900 | } else | |
901 | sent = true; | |
034c6ed7 | 902 | } |
50159e6a | 903 | |
80876c20 | 904 | if (!sent && s->control_pid > 0) |
2e22afe9 | 905 | if (kill(s->exec_context.kill_mode == KILL_PROCESS ? s->control_pid : -s->control_pid, sig) < 0 && errno != ESRCH) { |
50159e6a LP |
906 | r = -errno; |
907 | goto fail; | |
908 | } | |
d6ea93e3 | 909 | } |
034c6ed7 | 910 | |
e93bc5a6 | 911 | if (sent && s->control_pid > 0) { |
80876c20 LP |
912 | if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0) |
913 | goto fail; | |
d6ea93e3 | 914 | |
80876c20 LP |
915 | socket_set_state(s, state); |
916 | } else if (state == SOCKET_STOP_PRE_SIGTERM || state == SOCKET_STOP_PRE_SIGKILL) | |
917 | socket_enter_stop_post(s, true); | |
918 | else | |
034c6ed7 LP |
919 | socket_enter_dead(s, true); |
920 | ||
921 | return; | |
922 | ||
923 | fail: | |
9e2f7c11 | 924 | log_warning("%s failed to kill processes: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
925 | |
926 | if (state == SOCKET_STOP_PRE_SIGTERM || state == SOCKET_STOP_PRE_SIGKILL) | |
927 | socket_enter_stop_post(s, false); | |
928 | else | |
929 | socket_enter_dead(s, false); | |
930 | } | |
931 | ||
932 | static void socket_enter_stop_pre(Socket *s, bool success) { | |
933 | int r; | |
934 | assert(s); | |
935 | ||
936 | if (!success) | |
937 | s->failure = true; | |
938 | ||
5e94833f LP |
939 | socket_unwatch_control_pid(s); |
940 | ||
a16e1123 LP |
941 | s->control_command_id = SOCKET_EXEC_STOP_PRE; |
942 | ||
80876c20 | 943 | if ((s->control_command = s->exec_command[SOCKET_EXEC_STOP_PRE])) { |
e537352b | 944 | if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0) |
034c6ed7 LP |
945 | goto fail; |
946 | ||
80876c20 LP |
947 | socket_set_state(s, SOCKET_STOP_PRE); |
948 | } else | |
034c6ed7 LP |
949 | socket_enter_stop_post(s, true); |
950 | ||
951 | return; | |
952 | ||
953 | fail: | |
6cf6bbc2 | 954 | log_warning("%s failed to run 'stop-pre' task: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
955 | socket_enter_stop_post(s, false); |
956 | } | |
957 | ||
e9af15c3 LP |
958 | static void socket_enter_listening(Socket *s) { |
959 | int r; | |
960 | assert(s); | |
961 | ||
962 | if ((r = socket_watch_fds(s)) < 0) { | |
9e2f7c11 | 963 | log_warning("%s failed to watch sockets: %s", s->meta.id, strerror(-r)); |
e9af15c3 LP |
964 | goto fail; |
965 | } | |
966 | ||
967 | socket_set_state(s, SOCKET_LISTENING); | |
968 | return; | |
969 | ||
970 | fail: | |
971 | socket_enter_stop_pre(s, false); | |
972 | } | |
973 | ||
034c6ed7 LP |
974 | static void socket_enter_start_post(Socket *s) { |
975 | int r; | |
976 | assert(s); | |
977 | ||
e9af15c3 | 978 | if ((r = socket_open_fds(s)) < 0) { |
9e2f7c11 | 979 | log_warning("%s failed to listen on sockets: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
980 | goto fail; |
981 | } | |
982 | ||
5e94833f LP |
983 | socket_unwatch_control_pid(s); |
984 | ||
a16e1123 LP |
985 | s->control_command_id = SOCKET_EXEC_START_POST; |
986 | ||
80876c20 | 987 | if ((s->control_command = s->exec_command[SOCKET_EXEC_START_POST])) { |
e537352b | 988 | if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0) { |
6cf6bbc2 | 989 | log_warning("%s failed to run 'start-post' task: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
990 | goto fail; |
991 | } | |
992 | ||
80876c20 LP |
993 | socket_set_state(s, SOCKET_START_POST); |
994 | } else | |
e9af15c3 | 995 | socket_enter_listening(s); |
034c6ed7 LP |
996 | |
997 | return; | |
998 | ||
999 | fail: | |
1000 | socket_enter_stop_pre(s, false); | |
1001 | } | |
1002 | ||
1003 | static void socket_enter_start_pre(Socket *s) { | |
1004 | int r; | |
1005 | assert(s); | |
1006 | ||
5e94833f LP |
1007 | socket_unwatch_control_pid(s); |
1008 | ||
a16e1123 LP |
1009 | s->control_command_id = SOCKET_EXEC_START_PRE; |
1010 | ||
80876c20 | 1011 | if ((s->control_command = s->exec_command[SOCKET_EXEC_START_PRE])) { |
e537352b | 1012 | if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0) |
034c6ed7 LP |
1013 | goto fail; |
1014 | ||
80876c20 LP |
1015 | socket_set_state(s, SOCKET_START_PRE); |
1016 | } else | |
034c6ed7 LP |
1017 | socket_enter_start_post(s); |
1018 | ||
1019 | return; | |
1020 | ||
1021 | fail: | |
6cf6bbc2 | 1022 | log_warning("%s failed to run 'start-pre' task: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
1023 | socket_enter_dead(s, false); |
1024 | } | |
1025 | ||
4f2d528d | 1026 | static void socket_enter_running(Socket *s, int cfd) { |
034c6ed7 | 1027 | int r; |
398ef8ba | 1028 | DBusError error; |
034c6ed7 LP |
1029 | |
1030 | assert(s); | |
398ef8ba | 1031 | dbus_error_init(&error); |
034c6ed7 | 1032 | |
ba3e67a7 LP |
1033 | /* We don't take connections anymore if we are supposed to |
1034 | * shut down anyway */ | |
1035 | if (s->meta.job && s->meta.job->type == JOB_STOP) { | |
7c610628 LP |
1036 | if (cfd >= 0) |
1037 | close_nointr_nofail(cfd); | |
1038 | else { | |
1039 | /* Flush all sockets by closing and reopening them */ | |
1040 | socket_close_fds(s); | |
1041 | ||
1042 | if ((r = socket_watch_fds(s)) < 0) { | |
1043 | log_warning("%s failed to watch sockets: %s", s->meta.id, strerror(-r)); | |
1044 | socket_enter_stop_pre(s, false); | |
1045 | } | |
1046 | } | |
1047 | ||
ba3e67a7 LP |
1048 | return; |
1049 | } | |
1050 | ||
4f2d528d | 1051 | if (cfd < 0) { |
398ef8ba | 1052 | if ((r = manager_add_job(s->meta.manager, JOB_START, UNIT(s->service), JOB_REPLACE, true, &error, NULL)) < 0) |
4f2d528d LP |
1053 | goto fail; |
1054 | ||
1055 | socket_set_state(s, SOCKET_RUNNING); | |
1056 | } else { | |
1057 | Unit *u; | |
b4f10a5e | 1058 | char *prefix, *instance = NULL, *name; |
4f2d528d | 1059 | |
6cf6bbc2 LP |
1060 | if (s->n_connections >= s->max_connections) { |
1061 | log_warning("Too many incoming connections (%u)", s->n_connections); | |
1062 | close_nointr_nofail(cfd); | |
1063 | return; | |
1064 | } | |
1065 | ||
b6dbbe1c | 1066 | if ((r = instance_from_socket(cfd, s->n_accepted++, &instance)) < 0) |
4f2d528d LP |
1067 | goto fail; |
1068 | ||
4cd1fbcc | 1069 | if (!(prefix = unit_name_to_prefix(s->meta.id))) { |
4f2d528d LP |
1070 | free(instance); |
1071 | r = -ENOMEM; | |
1072 | goto fail; | |
1073 | } | |
1074 | ||
1075 | name = unit_name_build(prefix, instance, ".service"); | |
1076 | free(prefix); | |
1077 | free(instance); | |
1078 | ||
b6dbbe1c | 1079 | if (!name) { |
4f2d528d | 1080 | r = -ENOMEM; |
b6dbbe1c LP |
1081 | goto fail; |
1082 | } | |
4f2d528d | 1083 | |
398ef8ba | 1084 | r = manager_load_unit(s->meta.manager, name, NULL, NULL, &u); |
4f2d528d LP |
1085 | free(name); |
1086 | ||
1087 | if (r < 0) | |
1088 | goto fail; | |
1089 | ||
6cf6bbc2 | 1090 | if ((r = service_set_socket_fd(SERVICE(u), cfd, s)) < 0) |
4f2d528d LP |
1091 | goto fail; |
1092 | ||
1093 | cfd = -1; | |
1094 | ||
6cf6bbc2 LP |
1095 | s->n_connections ++; |
1096 | ||
398ef8ba | 1097 | if ((r = manager_add_job(u->meta.manager, JOB_START, u, JOB_REPLACE, true, &error, NULL)) < 0) |
4f2d528d LP |
1098 | goto fail; |
1099 | } | |
034c6ed7 | 1100 | |
034c6ed7 LP |
1101 | return; |
1102 | ||
1103 | fail: | |
398ef8ba | 1104 | log_warning("%s failed to queue socket startup job: %s", s->meta.id, bus_error(&error, r)); |
80876c20 | 1105 | socket_enter_stop_pre(s, false); |
4f2d528d LP |
1106 | |
1107 | if (cfd >= 0) | |
1108 | close_nointr_nofail(cfd); | |
398ef8ba LP |
1109 | |
1110 | dbus_error_free(&error); | |
034c6ed7 LP |
1111 | } |
1112 | ||
1113 | static void socket_run_next(Socket *s, bool success) { | |
1114 | int r; | |
1115 | ||
1116 | assert(s); | |
1117 | assert(s->control_command); | |
1118 | assert(s->control_command->command_next); | |
1119 | ||
1120 | if (!success) | |
1121 | s->failure = true; | |
1122 | ||
5e94833f LP |
1123 | socket_unwatch_control_pid(s); |
1124 | ||
034c6ed7 LP |
1125 | s->control_command = s->control_command->command_next; |
1126 | ||
e537352b | 1127 | if ((r = socket_spawn(s, s->control_command, &s->control_pid)) < 0) |
034c6ed7 LP |
1128 | goto fail; |
1129 | ||
1130 | return; | |
1131 | ||
1132 | fail: | |
6cf6bbc2 | 1133 | log_warning("%s failed to run next task: %s", s->meta.id, strerror(-r)); |
80876c20 LP |
1134 | |
1135 | if (s->state == SOCKET_START_POST) | |
1136 | socket_enter_stop_pre(s, false); | |
034c6ed7 LP |
1137 | else if (s->state == SOCKET_STOP_POST) |
1138 | socket_enter_dead(s, false); | |
1139 | else | |
80876c20 | 1140 | socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false); |
034c6ed7 LP |
1141 | } |
1142 | ||
87f0e418 LP |
1143 | static int socket_start(Unit *u) { |
1144 | Socket *s = SOCKET(u); | |
83c60c9f LP |
1145 | |
1146 | assert(s); | |
1147 | ||
034c6ed7 LP |
1148 | /* We cannot fulfill this request right now, try again later |
1149 | * please! */ | |
1150 | if (s->state == SOCKET_STOP_PRE || | |
1151 | s->state == SOCKET_STOP_PRE_SIGKILL || | |
1152 | s->state == SOCKET_STOP_PRE_SIGTERM || | |
1153 | s->state == SOCKET_STOP_POST || | |
80876c20 LP |
1154 | s->state == SOCKET_FINAL_SIGTERM || |
1155 | s->state == SOCKET_FINAL_SIGKILL) | |
034c6ed7 LP |
1156 | return -EAGAIN; |
1157 | ||
83c60c9f LP |
1158 | if (s->state == SOCKET_START_PRE || |
1159 | s->state == SOCKET_START_POST) | |
034c6ed7 | 1160 | return 0; |
83c60c9f | 1161 | |
034c6ed7 | 1162 | /* Cannot run this without the service being around */ |
4f2d528d LP |
1163 | if (s->service) { |
1164 | if (s->service->meta.load_state != UNIT_LOADED) | |
1165 | return -ENOENT; | |
1166 | ||
1167 | /* If the service is alredy actvie we cannot start the | |
1168 | * socket */ | |
1169 | if (s->service->state != SERVICE_DEAD && | |
18c78fb1 | 1170 | s->service->state != SERVICE_MAINTENANCE && |
4f2d528d LP |
1171 | s->service->state != SERVICE_AUTO_RESTART) |
1172 | return -EBUSY; | |
1173 | } | |
e537352b | 1174 | |
18c78fb1 | 1175 | assert(s->state == SOCKET_DEAD || s->state == SOCKET_MAINTENANCE); |
83c60c9f | 1176 | |
034c6ed7 LP |
1177 | s->failure = false; |
1178 | socket_enter_start_pre(s); | |
1179 | return 0; | |
1180 | } | |
83c60c9f | 1181 | |
87f0e418 LP |
1182 | static int socket_stop(Unit *u) { |
1183 | Socket *s = SOCKET(u); | |
034c6ed7 LP |
1184 | |
1185 | assert(s); | |
1186 | ||
e537352b LP |
1187 | /* Already on it */ |
1188 | if (s->state == SOCKET_STOP_PRE || | |
1189 | s->state == SOCKET_STOP_PRE_SIGTERM || | |
1190 | s->state == SOCKET_STOP_PRE_SIGKILL || | |
1191 | s->state == SOCKET_STOP_POST || | |
80876c20 | 1192 | s->state == SOCKET_FINAL_SIGTERM || |
3f6c78dc | 1193 | s->state == SOCKET_FINAL_SIGKILL) |
e537352b LP |
1194 | return 0; |
1195 | ||
3f6c78dc LP |
1196 | /* If there's already something running we go directly into |
1197 | * kill mode. */ | |
1198 | if (s->state == SOCKET_START_PRE || | |
1199 | s->state == SOCKET_START_POST) { | |
1200 | socket_enter_signal(s, SOCKET_STOP_PRE_SIGTERM, true); | |
1201 | return -EAGAIN; | |
1202 | } | |
1203 | ||
034c6ed7 | 1204 | assert(s->state == SOCKET_LISTENING || s->state == SOCKET_RUNNING); |
83c60c9f | 1205 | |
034c6ed7 | 1206 | socket_enter_stop_pre(s, true); |
542563ba LP |
1207 | return 0; |
1208 | } | |
1209 | ||
a16e1123 LP |
1210 | static int socket_serialize(Unit *u, FILE *f, FDSet *fds) { |
1211 | Socket *s = SOCKET(u); | |
1212 | SocketPort *p; | |
1213 | int r; | |
1214 | ||
1215 | assert(u); | |
1216 | assert(f); | |
1217 | assert(fds); | |
1218 | ||
1219 | unit_serialize_item(u, f, "state", socket_state_to_string(s->state)); | |
1220 | unit_serialize_item(u, f, "failure", yes_no(s->failure)); | |
1221 | unit_serialize_item_format(u, f, "n-accepted", "%u", s->n_accepted); | |
1222 | ||
1223 | if (s->control_pid > 0) | |
5925dd3c | 1224 | unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) s->control_pid); |
a16e1123 LP |
1225 | |
1226 | if (s->control_command_id >= 0) | |
1227 | unit_serialize_item(u, f, "control-command", socket_exec_command_to_string(s->control_command_id)); | |
1228 | ||
1229 | LIST_FOREACH(port, p, s->ports) { | |
1230 | int copy; | |
1231 | ||
1232 | if (p->fd < 0) | |
1233 | continue; | |
1234 | ||
1235 | if ((copy = fdset_put_dup(fds, p->fd)) < 0) | |
1236 | return copy; | |
1237 | ||
1238 | if (p->type == SOCKET_SOCKET) { | |
1239 | char *t; | |
1240 | ||
1241 | if ((r = socket_address_print(&p->address, &t)) < 0) | |
1242 | return r; | |
1243 | ||
27ca8d7a | 1244 | unit_serialize_item_format(u, f, "socket", "%i %i %s", copy, p->address.type, t); |
a16e1123 LP |
1245 | free(t); |
1246 | } else { | |
1247 | assert(p->type == SOCKET_FIFO); | |
1248 | unit_serialize_item_format(u, f, "fifo", "%i %s", copy, p->path); | |
1249 | } | |
1250 | } | |
1251 | ||
1252 | return 0; | |
1253 | } | |
1254 | ||
1255 | static int socket_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) { | |
1256 | Socket *s = SOCKET(u); | |
1257 | int r; | |
1258 | ||
1259 | assert(u); | |
1260 | assert(key); | |
1261 | assert(value); | |
1262 | assert(fds); | |
1263 | ||
1264 | if (streq(key, "state")) { | |
1265 | SocketState state; | |
1266 | ||
1267 | if ((state = socket_state_from_string(value)) < 0) | |
1268 | log_debug("Failed to parse state value %s", value); | |
1269 | else | |
1270 | s->deserialized_state = state; | |
1271 | } else if (streq(key, "failure")) { | |
1272 | int b; | |
1273 | ||
1274 | if ((b = parse_boolean(value)) < 0) | |
1275 | log_debug("Failed to parse failure value %s", value); | |
1276 | else | |
1277 | s->failure = b || s->failure; | |
1278 | ||
1279 | } else if (streq(key, "n-accepted")) { | |
1280 | unsigned k; | |
1281 | ||
1282 | if ((r = safe_atou(value, &k)) < 0) | |
1283 | log_debug("Failed to parse n-accepted value %s", value); | |
1284 | else | |
1285 | s->n_accepted += k; | |
1286 | } else if (streq(key, "control-pid")) { | |
5925dd3c | 1287 | pid_t pid; |
a16e1123 | 1288 | |
5925dd3c | 1289 | if ((r = parse_pid(value, &pid)) < 0) |
a16e1123 LP |
1290 | log_debug("Failed to parse control-pid value %s", value); |
1291 | else | |
5925dd3c | 1292 | s->control_pid = pid; |
a16e1123 LP |
1293 | } else if (streq(key, "control-command")) { |
1294 | SocketExecCommand id; | |
1295 | ||
1296 | if ((id = socket_exec_command_from_string(value)) < 0) | |
1297 | log_debug("Failed to parse exec-command value %s", value); | |
1298 | else { | |
1299 | s->control_command_id = id; | |
1300 | s->control_command = s->exec_command[id]; | |
1301 | } | |
1302 | } else if (streq(key, "fifo")) { | |
1303 | int fd, skip = 0; | |
1304 | SocketPort *p; | |
1305 | ||
1306 | if (sscanf(value, "%i %n", &fd, &skip) < 1 || fd < 0 || !fdset_contains(fds, fd)) | |
1307 | log_debug("Failed to parse fifo value %s", value); | |
1308 | else { | |
1309 | ||
1310 | LIST_FOREACH(port, p, s->ports) | |
1311 | if (streq(p->path, value+skip)) | |
1312 | break; | |
1313 | ||
1314 | if (p) { | |
1315 | if (p->fd >= 0) | |
1316 | close_nointr_nofail(p->fd); | |
1317 | p->fd = fdset_remove(fds, fd); | |
1318 | } | |
1319 | } | |
1320 | ||
1321 | } else if (streq(key, "socket")) { | |
27ca8d7a | 1322 | int fd, type, skip = 0; |
a16e1123 LP |
1323 | SocketPort *p; |
1324 | ||
27ca8d7a | 1325 | if (sscanf(value, "%i %i %n", &fd, &type, &skip) < 2 || fd < 0 || type < 0 || !fdset_contains(fds, fd)) |
a16e1123 LP |
1326 | log_debug("Failed to parse socket value %s", value); |
1327 | else { | |
1328 | ||
1329 | LIST_FOREACH(port, p, s->ports) | |
27ca8d7a | 1330 | if (socket_address_is(&p->address, value+skip, type)) |
a16e1123 LP |
1331 | break; |
1332 | ||
1333 | if (p) { | |
1334 | if (p->fd >= 0) | |
1335 | close_nointr_nofail(p->fd); | |
1336 | p->fd = fdset_remove(fds, fd); | |
1337 | } | |
1338 | } | |
1339 | ||
1340 | } else | |
1341 | log_debug("Unknown serialization key '%s'", key); | |
1342 | ||
1343 | return 0; | |
1344 | } | |
1345 | ||
87f0e418 LP |
1346 | static UnitActiveState socket_active_state(Unit *u) { |
1347 | assert(u); | |
5cb5a6ff | 1348 | |
acbb0225 | 1349 | return state_translation_table[SOCKET(u)->state]; |
5cb5a6ff LP |
1350 | } |
1351 | ||
10a94420 LP |
1352 | static const char *socket_sub_state_to_string(Unit *u) { |
1353 | assert(u); | |
1354 | ||
a16e1123 | 1355 | return socket_state_to_string(SOCKET(u)->state); |
10a94420 LP |
1356 | } |
1357 | ||
6cf6bbc2 LP |
1358 | static bool socket_check_gc(Unit *u) { |
1359 | Socket *s = SOCKET(u); | |
1360 | ||
1361 | assert(u); | |
1362 | ||
1363 | return s->n_connections > 0; | |
1364 | } | |
1365 | ||
acbb0225 | 1366 | static void socket_fd_event(Unit *u, int fd, uint32_t events, Watch *w) { |
87f0e418 | 1367 | Socket *s = SOCKET(u); |
4f2d528d | 1368 | int cfd = -1; |
9152c765 | 1369 | |
034c6ed7 | 1370 | assert(s); |
8d567588 | 1371 | assert(fd >= 0); |
9152c765 | 1372 | |
871d7de4 LP |
1373 | if (s->state != SOCKET_LISTENING) |
1374 | return; | |
1375 | ||
9e2f7c11 | 1376 | log_debug("Incoming traffic on %s", u->meta.id); |
9152c765 | 1377 | |
4f2d528d LP |
1378 | if (events != EPOLLIN) { |
1379 | log_error("Got invalid poll event on socket."); | |
8d567588 | 1380 | goto fail; |
4f2d528d LP |
1381 | } |
1382 | ||
cabab516 | 1383 | if (w->socket_accept) { |
4f2d528d LP |
1384 | for (;;) { |
1385 | ||
1386 | if ((cfd = accept4(fd, NULL, NULL, SOCK_NONBLOCK)) < 0) { | |
1387 | ||
1388 | if (errno == EINTR) | |
1389 | continue; | |
1390 | ||
1391 | log_error("Failed to accept socket: %m"); | |
8d567588 | 1392 | goto fail; |
4f2d528d LP |
1393 | } |
1394 | ||
1395 | break; | |
1396 | } | |
4fd5948e LP |
1397 | |
1398 | socket_apply_socket_options(s, cfd); | |
4f2d528d | 1399 | } |
9152c765 | 1400 | |
4f2d528d | 1401 | socket_enter_running(s, cfd); |
8d567588 LP |
1402 | return; |
1403 | ||
1404 | fail: | |
1405 | socket_enter_stop_pre(s, false); | |
9152c765 LP |
1406 | } |
1407 | ||
87f0e418 LP |
1408 | static void socket_sigchld_event(Unit *u, pid_t pid, int code, int status) { |
1409 | Socket *s = SOCKET(u); | |
034c6ed7 | 1410 | bool success; |
5cb5a6ff LP |
1411 | |
1412 | assert(s); | |
034c6ed7 | 1413 | assert(pid >= 0); |
5cb5a6ff | 1414 | |
8c47c732 LP |
1415 | if (pid != s->control_pid) |
1416 | return; | |
542563ba | 1417 | |
034c6ed7 LP |
1418 | s->control_pid = 0; |
1419 | ||
8c47c732 | 1420 | success = is_clean_exit(code, status); |
8c47c732 | 1421 | |
b708e7ce | 1422 | if (s->control_command) { |
b58b4116 | 1423 | exec_status_exit(&s->control_command->exec_status, pid, code, status); |
a16e1123 | 1424 | |
b708e7ce LP |
1425 | if (s->control_command->ignore) |
1426 | success = true; | |
1427 | } | |
1428 | ||
9e2f7c11 | 1429 | log_debug("%s control process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status); |
b708e7ce | 1430 | s->failure = s->failure || !success; |
034c6ed7 | 1431 | |
a16e1123 LP |
1432 | if (s->control_command && s->control_command->command_next && success) { |
1433 | log_debug("%s running next command for state %s", u->meta.id, socket_state_to_string(s->state)); | |
034c6ed7 | 1434 | socket_run_next(s, success); |
acbb0225 | 1435 | } else { |
a16e1123 LP |
1436 | s->control_command = NULL; |
1437 | s->control_command_id = _SOCKET_EXEC_COMMAND_INVALID; | |
1438 | ||
034c6ed7 LP |
1439 | /* No further commands for this step, so let's figure |
1440 | * out what to do next */ | |
5cb5a6ff | 1441 | |
a16e1123 | 1442 | log_debug("%s got final SIGCHLD for state %s", u->meta.id, socket_state_to_string(s->state)); |
acbb0225 | 1443 | |
034c6ed7 LP |
1444 | switch (s->state) { |
1445 | ||
1446 | case SOCKET_START_PRE: | |
1447 | if (success) | |
acbb0225 | 1448 | socket_enter_start_post(s); |
034c6ed7 | 1449 | else |
80876c20 | 1450 | socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false); |
034c6ed7 LP |
1451 | break; |
1452 | ||
1453 | case SOCKET_START_POST: | |
1454 | if (success) | |
e9af15c3 | 1455 | socket_enter_listening(s); |
034c6ed7 LP |
1456 | else |
1457 | socket_enter_stop_pre(s, false); | |
1458 | break; | |
1459 | ||
1460 | case SOCKET_STOP_PRE: | |
1461 | case SOCKET_STOP_PRE_SIGTERM: | |
1462 | case SOCKET_STOP_PRE_SIGKILL: | |
1463 | socket_enter_stop_post(s, success); | |
1464 | break; | |
1465 | ||
1466 | case SOCKET_STOP_POST: | |
80876c20 LP |
1467 | case SOCKET_FINAL_SIGTERM: |
1468 | case SOCKET_FINAL_SIGKILL: | |
034c6ed7 LP |
1469 | socket_enter_dead(s, success); |
1470 | break; | |
1471 | ||
1472 | default: | |
1473 | assert_not_reached("Uh, control process died at wrong time."); | |
1474 | } | |
1475 | } | |
1476 | } | |
5cb5a6ff | 1477 | |
acbb0225 | 1478 | static void socket_timer_event(Unit *u, uint64_t elapsed, Watch *w) { |
87f0e418 | 1479 | Socket *s = SOCKET(u); |
5cb5a6ff | 1480 | |
034c6ed7 LP |
1481 | assert(s); |
1482 | assert(elapsed == 1); | |
acbb0225 | 1483 | assert(w == &s->timer_watch); |
034c6ed7 LP |
1484 | |
1485 | switch (s->state) { | |
1486 | ||
1487 | case SOCKET_START_PRE: | |
9e2f7c11 | 1488 | log_warning("%s starting timed out. Terminating.", u->meta.id); |
80876c20 LP |
1489 | socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false); |
1490 | ||
034c6ed7 | 1491 | case SOCKET_START_POST: |
9e2f7c11 | 1492 | log_warning("%s starting timed out. Stopping.", u->meta.id); |
034c6ed7 LP |
1493 | socket_enter_stop_pre(s, false); |
1494 | break; | |
1495 | ||
1496 | case SOCKET_STOP_PRE: | |
9e2f7c11 | 1497 | log_warning("%s stopping timed out. Terminating.", u->meta.id); |
034c6ed7 LP |
1498 | socket_enter_signal(s, SOCKET_STOP_PRE_SIGTERM, false); |
1499 | break; | |
1500 | ||
1501 | case SOCKET_STOP_PRE_SIGTERM: | |
9e2f7c11 | 1502 | log_warning("%s stopping timed out. Killing.", u->meta.id); |
034c6ed7 LP |
1503 | socket_enter_signal(s, SOCKET_STOP_PRE_SIGKILL, false); |
1504 | break; | |
1505 | ||
1506 | case SOCKET_STOP_PRE_SIGKILL: | |
9e2f7c11 | 1507 | log_warning("%s still around after SIGKILL. Ignoring.", u->meta.id); |
034c6ed7 LP |
1508 | socket_enter_stop_post(s, false); |
1509 | break; | |
1510 | ||
1511 | case SOCKET_STOP_POST: | |
9e2f7c11 | 1512 | log_warning("%s stopping timed out (2). Terminating.", u->meta.id); |
80876c20 | 1513 | socket_enter_signal(s, SOCKET_FINAL_SIGTERM, false); |
034c6ed7 LP |
1514 | break; |
1515 | ||
80876c20 | 1516 | case SOCKET_FINAL_SIGTERM: |
9e2f7c11 | 1517 | log_warning("%s stopping timed out (2). Killing.", u->meta.id); |
80876c20 | 1518 | socket_enter_signal(s, SOCKET_FINAL_SIGKILL, false); |
034c6ed7 LP |
1519 | break; |
1520 | ||
80876c20 | 1521 | case SOCKET_FINAL_SIGKILL: |
18c78fb1 | 1522 | log_warning("%s still around after SIGKILL (2). Entering maintenance mode.", u->meta.id); |
034c6ed7 LP |
1523 | socket_enter_dead(s, false); |
1524 | break; | |
1525 | ||
1526 | default: | |
1527 | assert_not_reached("Timeout at wrong time."); | |
1528 | } | |
5cb5a6ff LP |
1529 | } |
1530 | ||
44d8db9e LP |
1531 | int socket_collect_fds(Socket *s, int **fds, unsigned *n_fds) { |
1532 | int *rfds; | |
1533 | unsigned rn_fds, k; | |
1534 | SocketPort *p; | |
1535 | ||
1536 | assert(s); | |
1537 | assert(fds); | |
1538 | assert(n_fds); | |
1539 | ||
1540 | /* Called from the service code for requesting our fds */ | |
1541 | ||
1542 | rn_fds = 0; | |
1543 | LIST_FOREACH(port, p, s->ports) | |
1544 | if (p->fd >= 0) | |
1545 | rn_fds++; | |
1546 | ||
1547 | if (!(rfds = new(int, rn_fds)) < 0) | |
1548 | return -ENOMEM; | |
1549 | ||
1550 | k = 0; | |
1551 | LIST_FOREACH(port, p, s->ports) | |
1552 | if (p->fd >= 0) | |
1553 | rfds[k++] = p->fd; | |
1554 | ||
1555 | assert(k == rn_fds); | |
1556 | ||
1557 | *fds = rfds; | |
1558 | *n_fds = rn_fds; | |
1559 | ||
1560 | return 0; | |
1561 | } | |
1562 | ||
ceee3d82 LP |
1563 | void socket_notify_service_dead(Socket *s) { |
1564 | assert(s); | |
1565 | ||
6cf6bbc2 LP |
1566 | /* The service is dead. Dang! |
1567 | * | |
1568 | * This is strictly for one-instance-for-all-connections | |
1569 | * services. */ | |
ceee3d82 LP |
1570 | |
1571 | if (s->state == SOCKET_RUNNING) { | |
9e2f7c11 | 1572 | log_debug("%s got notified about service death.", s->meta.id); |
ceee3d82 LP |
1573 | socket_enter_listening(s); |
1574 | } | |
1575 | } | |
1576 | ||
6cf6bbc2 LP |
1577 | void socket_connection_unref(Socket *s) { |
1578 | assert(s); | |
1579 | ||
1580 | /* The service is dead. Yay! | |
1581 | * | |
1582 | * This is strictly for one-onstance-per-connection | |
1583 | * services. */ | |
1584 | ||
1585 | assert(s->n_connections > 0); | |
1586 | s->n_connections--; | |
1587 | ||
1588 | log_debug("%s: One connection closed, %u left.", s->meta.id, s->n_connections); | |
1589 | } | |
1590 | ||
a16e1123 LP |
1591 | static const char* const socket_state_table[_SOCKET_STATE_MAX] = { |
1592 | [SOCKET_DEAD] = "dead", | |
1593 | [SOCKET_START_PRE] = "start-pre", | |
1594 | [SOCKET_START_POST] = "start-post", | |
1595 | [SOCKET_LISTENING] = "listening", | |
1596 | [SOCKET_RUNNING] = "running", | |
1597 | [SOCKET_STOP_PRE] = "stop-pre", | |
1598 | [SOCKET_STOP_PRE_SIGTERM] = "stop-pre-sigterm", | |
1599 | [SOCKET_STOP_PRE_SIGKILL] = "stop-pre-sigkill", | |
1600 | [SOCKET_STOP_POST] = "stop-post", | |
1601 | [SOCKET_FINAL_SIGTERM] = "final-sigterm", | |
1602 | [SOCKET_FINAL_SIGKILL] = "final-sigkill", | |
18c78fb1 | 1603 | [SOCKET_MAINTENANCE] = "maintenance" |
a16e1123 LP |
1604 | }; |
1605 | ||
1606 | DEFINE_STRING_TABLE_LOOKUP(socket_state, SocketState); | |
1607 | ||
1608 | static const char* const socket_exec_command_table[_SOCKET_EXEC_COMMAND_MAX] = { | |
1609 | [SOCKET_EXEC_START_PRE] = "StartPre", | |
1610 | [SOCKET_EXEC_START_POST] = "StartPost", | |
1611 | [SOCKET_EXEC_STOP_PRE] = "StopPre", | |
1612 | [SOCKET_EXEC_STOP_POST] = "StopPost" | |
1613 | }; | |
1614 | ||
1615 | DEFINE_STRING_TABLE_LOOKUP(socket_exec_command, SocketExecCommand); | |
1616 | ||
87f0e418 | 1617 | const UnitVTable socket_vtable = { |
5cb5a6ff LP |
1618 | .suffix = ".socket", |
1619 | ||
034c6ed7 LP |
1620 | .init = socket_init, |
1621 | .done = socket_done, | |
a16e1123 LP |
1622 | .load = socket_load, |
1623 | ||
1624 | .coldplug = socket_coldplug, | |
034c6ed7 | 1625 | |
5cb5a6ff LP |
1626 | .dump = socket_dump, |
1627 | ||
542563ba LP |
1628 | .start = socket_start, |
1629 | .stop = socket_stop, | |
5cb5a6ff | 1630 | |
a16e1123 LP |
1631 | .serialize = socket_serialize, |
1632 | .deserialize_item = socket_deserialize_item, | |
1633 | ||
5cb5a6ff | 1634 | .active_state = socket_active_state, |
10a94420 | 1635 | .sub_state_to_string = socket_sub_state_to_string, |
5cb5a6ff | 1636 | |
6cf6bbc2 LP |
1637 | .check_gc = socket_check_gc, |
1638 | ||
9152c765 | 1639 | .fd_event = socket_fd_event, |
034c6ed7 | 1640 | .sigchld_event = socket_sigchld_event, |
4139c1b2 LP |
1641 | .timer_event = socket_timer_event, |
1642 | ||
1643 | .bus_message_handler = bus_socket_message_handler | |
5cb5a6ff | 1644 | }; |