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9444b1f2 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2011 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 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 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include <string.h> | |
23 | #include <unistd.h> | |
24 | #include <errno.h> | |
25 | ||
c3350683 | 26 | #include "sd-messages.h" |
fb6becb4 | 27 | |
9444b1f2 LP |
28 | #include "util.h" |
29 | #include "mkdir.h" | |
9444b1f2 | 30 | #include "hashmap.h" |
9444b1f2 LP |
31 | #include "fileio.h" |
32 | #include "special.h" | |
fb6becb4 | 33 | #include "unit-name.h" |
c3350683 LP |
34 | #include "bus-util.h" |
35 | #include "bus-error.h" | |
003dffde LP |
36 | #include "machine.h" |
37 | #include "machine-dbus.h" | |
6482f626 | 38 | #include "formats-util.h" |
9444b1f2 | 39 | |
fbe55073 | 40 | Machine* machine_new(Manager *manager, MachineClass class, const char *name) { |
9444b1f2 LP |
41 | Machine *m; |
42 | ||
43 | assert(manager); | |
fbe55073 | 44 | assert(class < _MACHINE_CLASS_MAX); |
9444b1f2 LP |
45 | assert(name); |
46 | ||
fbe55073 LP |
47 | /* Passing class == _MACHINE_CLASS_INVALID here is fine. It |
48 | * means as much as "we don't know yet", and that we'll figure | |
49 | * it out later when loading the state file. */ | |
50 | ||
9444b1f2 LP |
51 | m = new0(Machine, 1); |
52 | if (!m) | |
53 | return NULL; | |
54 | ||
55 | m->name = strdup(name); | |
56 | if (!m->name) | |
57 | goto fail; | |
58 | ||
fbe55073 LP |
59 | if (class != MACHINE_HOST) { |
60 | m->state_file = strappend("/run/systemd/machines/", m->name); | |
61 | if (!m->state_file) | |
62 | goto fail; | |
63 | } | |
64 | ||
65 | m->class = class; | |
9444b1f2 LP |
66 | |
67 | if (hashmap_put(manager->machines, m->name, m) < 0) | |
68 | goto fail; | |
69 | ||
9444b1f2 LP |
70 | m->manager = manager; |
71 | ||
72 | return m; | |
73 | ||
74 | fail: | |
75 | free(m->state_file); | |
76 | free(m->name); | |
77 | free(m); | |
78 | ||
79 | return NULL; | |
80 | } | |
81 | ||
82 | void machine_free(Machine *m) { | |
83 | assert(m); | |
84 | ||
0370612e LP |
85 | while (m->operations) |
86 | machine_operation_unref(m->operations); | |
87 | ||
9444b1f2 | 88 | if (m->in_gc_queue) |
71fda00f | 89 | LIST_REMOVE(gc_queue, m->manager->machine_gc_queue, m); |
9444b1f2 | 90 | |
9b420b3c | 91 | machine_release_unit(m); |
9444b1f2 | 92 | |
fb6becb4 LP |
93 | free(m->scope_job); |
94 | ||
9b420b3c | 95 | (void) hashmap_remove(m->manager->machines, m->name); |
9444b1f2 | 96 | |
fbe55073 LP |
97 | if (m->manager->host_machine == m) |
98 | m->manager->host_machine = NULL; | |
99 | ||
d3e84ddb | 100 | if (m->leader > 0) |
9b420b3c | 101 | (void) hashmap_remove_value(m->manager->machine_leaders, UINT_TO_PTR(m->leader), m); |
d3e84ddb | 102 | |
c3350683 | 103 | sd_bus_message_unref(m->create_message); |
fb6becb4 | 104 | |
9444b1f2 LP |
105 | free(m->name); |
106 | free(m->state_file); | |
107 | free(m->service); | |
9444b1f2 | 108 | free(m->root_directory); |
9b5ed6fe | 109 | free(m->netif); |
9444b1f2 LP |
110 | free(m); |
111 | } | |
112 | ||
113 | int machine_save(Machine *m) { | |
114 | _cleanup_free_ char *temp_path = NULL; | |
115 | _cleanup_fclose_ FILE *f = NULL; | |
116 | int r; | |
117 | ||
118 | assert(m); | |
fbe55073 LP |
119 | |
120 | if (!m->state_file) | |
121 | return 0; | |
9444b1f2 LP |
122 | |
123 | if (!m->started) | |
124 | return 0; | |
125 | ||
126 | r = mkdir_safe_label("/run/systemd/machines", 0755, 0, 0); | |
127 | if (r < 0) | |
dacd6cee | 128 | goto fail; |
9444b1f2 LP |
129 | |
130 | r = fopen_temporary(m->state_file, &f, &temp_path); | |
131 | if (r < 0) | |
dacd6cee | 132 | goto fail; |
9444b1f2 | 133 | |
dacd6cee | 134 | (void) fchmod(fileno(f), 0644); |
9444b1f2 LP |
135 | |
136 | fprintf(f, | |
137 | "# This is private data. Do not parse.\n" | |
138 | "NAME=%s\n", | |
139 | m->name); | |
140 | ||
ca5405bb LP |
141 | if (m->unit) { |
142 | _cleanup_free_ char *escaped; | |
143 | ||
144 | escaped = cescape(m->unit); | |
145 | if (!escaped) { | |
146 | r = -ENOMEM; | |
dacd6cee | 147 | goto fail; |
ca5405bb LP |
148 | } |
149 | ||
150 | fprintf(f, "SCOPE=%s\n", escaped); /* We continue to call this "SCOPE=" because it is internal only, and we want to stay compatible with old files */ | |
151 | } | |
fb6becb4 LP |
152 | |
153 | if (m->scope_job) | |
154 | fprintf(f, "SCOPE_JOB=%s\n", m->scope_job); | |
9444b1f2 | 155 | |
ca5405bb LP |
156 | if (m->service) { |
157 | _cleanup_free_ char *escaped; | |
9444b1f2 | 158 | |
ca5405bb LP |
159 | escaped = cescape(m->service); |
160 | if (!escaped) { | |
161 | r = -ENOMEM; | |
dacd6cee | 162 | goto fail; |
ca5405bb LP |
163 | } |
164 | fprintf(f, "SERVICE=%s\n", escaped); | |
165 | } | |
166 | ||
167 | if (m->root_directory) { | |
168 | _cleanup_free_ char *escaped; | |
169 | ||
170 | escaped = cescape(m->root_directory); | |
171 | if (!escaped) { | |
172 | r = -ENOMEM; | |
dacd6cee | 173 | goto fail; |
ca5405bb LP |
174 | } |
175 | fprintf(f, "ROOT=%s\n", escaped); | |
176 | } | |
9444b1f2 LP |
177 | |
178 | if (!sd_id128_equal(m->id, SD_ID128_NULL)) | |
179 | fprintf(f, "ID=" SD_ID128_FORMAT_STR "\n", SD_ID128_FORMAT_VAL(m->id)); | |
180 | ||
181 | if (m->leader != 0) | |
90b2de37 | 182 | fprintf(f, "LEADER="PID_FMT"\n", m->leader); |
9444b1f2 LP |
183 | |
184 | if (m->class != _MACHINE_CLASS_INVALID) | |
185 | fprintf(f, "CLASS=%s\n", machine_class_to_string(m->class)); | |
186 | ||
187 | if (dual_timestamp_is_set(&m->timestamp)) | |
188 | fprintf(f, | |
90b2de37 ZJS |
189 | "REALTIME="USEC_FMT"\n" |
190 | "MONOTONIC="USEC_FMT"\n", | |
191 | m->timestamp.realtime, | |
192 | m->timestamp.monotonic); | |
9444b1f2 | 193 | |
9b5ed6fe LP |
194 | if (m->n_netif > 0) { |
195 | unsigned i; | |
196 | ||
197 | fputs("NETIF=", f); | |
198 | ||
199 | for (i = 0; i < m->n_netif; i++) { | |
200 | if (i != 0) | |
201 | fputc(' ', f); | |
202 | ||
203 | fprintf(f, "%i", m->netif[i]); | |
204 | } | |
205 | ||
206 | fputc('\n', f); | |
207 | } | |
208 | ||
034753ac LP |
209 | r = fflush_and_check(f); |
210 | if (r < 0) | |
dacd6cee | 211 | goto fail; |
9444b1f2 | 212 | |
034753ac | 213 | if (rename(temp_path, m->state_file) < 0) { |
9444b1f2 | 214 | r = -errno; |
dacd6cee | 215 | goto fail; |
9444b1f2 LP |
216 | } |
217 | ||
89f7c846 LP |
218 | if (m->unit) { |
219 | char *sl; | |
220 | ||
221 | /* Create a symlink from the unit name to the machine | |
222 | * name, so that we can quickly find the machine for | |
e62d9b81 | 223 | * each given unit. Ignore error. */ |
63c372cb | 224 | sl = strjoina("/run/systemd/machines/unit:", m->unit); |
e62d9b81 | 225 | (void) symlink(m->name, sl); |
89f7c846 LP |
226 | } |
227 | ||
dacd6cee | 228 | return 0; |
034753ac | 229 | |
dacd6cee LP |
230 | fail: |
231 | (void) unlink(m->state_file); | |
232 | ||
233 | if (temp_path) | |
234 | (void) unlink(temp_path); | |
9444b1f2 | 235 | |
dacd6cee | 236 | return log_error_errno(r, "Failed to save machine data %s: %m", m->state_file); |
9444b1f2 LP |
237 | } |
238 | ||
89f7c846 LP |
239 | static void machine_unlink(Machine *m) { |
240 | assert(m); | |
241 | ||
242 | if (m->unit) { | |
243 | ||
244 | char *sl; | |
245 | ||
63c372cb | 246 | sl = strjoina("/run/systemd/machines/unit:", m->unit); |
491ac9f2 | 247 | (void) unlink(sl); |
89f7c846 LP |
248 | } |
249 | ||
250 | if (m->state_file) | |
491ac9f2 | 251 | (void) unlink(m->state_file); |
89f7c846 LP |
252 | } |
253 | ||
9444b1f2 | 254 | int machine_load(Machine *m) { |
9b5ed6fe | 255 | _cleanup_free_ char *realtime = NULL, *monotonic = NULL, *id = NULL, *leader = NULL, *class = NULL, *netif = NULL; |
9444b1f2 LP |
256 | int r; |
257 | ||
258 | assert(m); | |
259 | ||
fbe55073 LP |
260 | if (!m->state_file) |
261 | return 0; | |
262 | ||
9444b1f2 | 263 | r = parse_env_file(m->state_file, NEWLINE, |
89f7c846 | 264 | "SCOPE", &m->unit, |
fb6becb4 | 265 | "SCOPE_JOB", &m->scope_job, |
9444b1f2 | 266 | "SERVICE", &m->service, |
9444b1f2 LP |
267 | "ROOT", &m->root_directory, |
268 | "ID", &id, | |
269 | "LEADER", &leader, | |
270 | "CLASS", &class, | |
271 | "REALTIME", &realtime, | |
272 | "MONOTONIC", &monotonic, | |
9b5ed6fe | 273 | "NETIF", &netif, |
9444b1f2 LP |
274 | NULL); |
275 | if (r < 0) { | |
276 | if (r == -ENOENT) | |
277 | return 0; | |
278 | ||
8d3d7072 | 279 | return log_error_errno(r, "Failed to read %s: %m", m->state_file); |
9444b1f2 LP |
280 | } |
281 | ||
282 | if (id) | |
283 | sd_id128_from_string(id, &m->id); | |
284 | ||
285 | if (leader) | |
286 | parse_pid(leader, &m->leader); | |
287 | ||
288 | if (class) { | |
289 | MachineClass c; | |
290 | ||
291 | c = machine_class_from_string(class); | |
292 | if (c >= 0) | |
293 | m->class = c; | |
294 | } | |
295 | ||
296 | if (realtime) { | |
297 | unsigned long long l; | |
298 | if (sscanf(realtime, "%llu", &l) > 0) | |
299 | m->timestamp.realtime = l; | |
300 | } | |
301 | ||
302 | if (monotonic) { | |
303 | unsigned long long l; | |
304 | if (sscanf(monotonic, "%llu", &l) > 0) | |
305 | m->timestamp.monotonic = l; | |
306 | } | |
307 | ||
9b5ed6fe LP |
308 | if (netif) { |
309 | size_t l, allocated = 0, nr = 0; | |
a2a5291b | 310 | const char *word, *state; |
9b5ed6fe LP |
311 | int *ni = NULL; |
312 | ||
a2a5291b | 313 | FOREACH_WORD(word, l, netif, state) { |
9b5ed6fe LP |
314 | char buf[l+1]; |
315 | int ifi; | |
316 | ||
a2a5291b | 317 | *(char*) (mempcpy(buf, word, l)) = 0; |
9b5ed6fe LP |
318 | |
319 | if (safe_atoi(buf, &ifi) < 0) | |
320 | continue; | |
321 | if (ifi <= 0) | |
322 | continue; | |
323 | ||
324 | if (!GREEDY_REALLOC(ni, allocated, nr+1)) { | |
325 | free(ni); | |
326 | return log_oom(); | |
327 | } | |
328 | ||
329 | ni[nr++] = ifi; | |
330 | } | |
331 | ||
332 | free(m->netif); | |
333 | m->netif = ni; | |
334 | m->n_netif = nr; | |
335 | } | |
336 | ||
9444b1f2 LP |
337 | return r; |
338 | } | |
339 | ||
c3350683 | 340 | static int machine_start_scope(Machine *m, sd_bus_message *properties, sd_bus_error *error) { |
2c4c73b3 | 341 | int r = 0; |
9444b1f2 LP |
342 | |
343 | assert(m); | |
fbe55073 | 344 | assert(m->class != MACHINE_HOST); |
9444b1f2 | 345 | |
89f7c846 | 346 | if (!m->unit) { |
d0af76e6 | 347 | _cleanup_free_ char *escaped = NULL; |
39883f62 | 348 | char *scope, *description, *job = NULL; |
9444b1f2 | 349 | |
fb6becb4 | 350 | escaped = unit_name_escape(m->name); |
9444b1f2 LP |
351 | if (!escaped) |
352 | return log_oom(); | |
353 | ||
d0af76e6 | 354 | scope = strjoin("machine-", escaped, ".scope", NULL); |
f526ab7e | 355 | if (!scope) |
9444b1f2 | 356 | return log_oom(); |
9444b1f2 | 357 | |
63c372cb | 358 | description = strjoina(m->class == MACHINE_VM ? "Virtual Machine " : "Container ", m->name); |
9444b1f2 | 359 | |
c3350683 | 360 | r = manager_start_scope(m->manager, scope, m->leader, SPECIAL_MACHINE_SLICE, description, properties, error, &job); |
d0af76e6 | 361 | if (r < 0) { |
c3350683 | 362 | log_error("Failed to start machine scope: %s", bus_error_message(error, r)); |
d0af76e6 | 363 | free(scope); |
f2d4f98d | 364 | return r; |
d0af76e6 | 365 | } else { |
89f7c846 | 366 | m->unit = scope; |
d0af76e6 LP |
367 | |
368 | free(m->scope_job); | |
369 | m->scope_job = job; | |
370 | } | |
9444b1f2 LP |
371 | } |
372 | ||
89f7c846 LP |
373 | if (m->unit) |
374 | hashmap_put(m->manager->machine_units, m->unit, m); | |
d0af76e6 | 375 | |
fb6becb4 | 376 | return r; |
9444b1f2 LP |
377 | } |
378 | ||
c3350683 | 379 | int machine_start(Machine *m, sd_bus_message *properties, sd_bus_error *error) { |
9444b1f2 LP |
380 | int r; |
381 | ||
382 | assert(m); | |
383 | ||
fbe55073 LP |
384 | if (!IN_SET(m->class, MACHINE_CONTAINER, MACHINE_VM)) |
385 | return -EOPNOTSUPP; | |
386 | ||
9444b1f2 LP |
387 | if (m->started) |
388 | return 0; | |
389 | ||
d3e84ddb LP |
390 | r = hashmap_put(m->manager->machine_leaders, UINT_TO_PTR(m->leader), m); |
391 | if (r < 0) | |
392 | return r; | |
393 | ||
fb6becb4 | 394 | /* Create cgroup */ |
c3350683 | 395 | r = machine_start_scope(m, properties, error); |
fb6becb4 LP |
396 | if (r < 0) |
397 | return r; | |
398 | ||
9444b1f2 | 399 | log_struct(LOG_INFO, |
e2cc6eca | 400 | LOG_MESSAGE_ID(SD_MESSAGE_MACHINE_START), |
9444b1f2 | 401 | "NAME=%s", m->name, |
de0671ee | 402 | "LEADER="PID_FMT, m->leader, |
e2cc6eca | 403 | LOG_MESSAGE("New machine %s.", m->name), |
9444b1f2 LP |
404 | NULL); |
405 | ||
9444b1f2 LP |
406 | if (!dual_timestamp_is_set(&m->timestamp)) |
407 | dual_timestamp_get(&m->timestamp); | |
408 | ||
409 | m->started = true; | |
410 | ||
411 | /* Save new machine data */ | |
412 | machine_save(m); | |
413 | ||
414 | machine_send_signal(m, true); | |
415 | ||
416 | return 0; | |
417 | } | |
418 | ||
fb6becb4 | 419 | static int machine_stop_scope(Machine *m) { |
c3350683 | 420 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
39883f62 | 421 | char *job = NULL; |
9444b1f2 | 422 | int r; |
9444b1f2 LP |
423 | |
424 | assert(m); | |
fbe55073 | 425 | assert(m->class != MACHINE_HOST); |
9444b1f2 | 426 | |
89f7c846 | 427 | if (!m->unit) |
fb6becb4 | 428 | return 0; |
9444b1f2 | 429 | |
c00a4c8f LP |
430 | r = manager_stop_unit(m->manager, m->unit, &error, &job); |
431 | if (r < 0) { | |
432 | log_error("Failed to stop machine scope: %s", bus_error_message(&error, r)); | |
433 | return r; | |
fb6becb4 | 434 | } |
9444b1f2 | 435 | |
fb6becb4 LP |
436 | free(m->scope_job); |
437 | m->scope_job = job; | |
9444b1f2 | 438 | |
f14aa1f1 | 439 | return 0; |
9444b1f2 LP |
440 | } |
441 | ||
442 | int machine_stop(Machine *m) { | |
49f3fffd LP |
443 | int r; |
444 | assert(m); | |
445 | ||
fbe55073 LP |
446 | if (!IN_SET(m->class, MACHINE_CONTAINER, MACHINE_VM)) |
447 | return -EOPNOTSUPP; | |
448 | ||
49f3fffd LP |
449 | r = machine_stop_scope(m); |
450 | ||
451 | m->stopping = true; | |
452 | ||
453 | machine_save(m); | |
454 | ||
455 | return r; | |
456 | } | |
457 | ||
458 | int machine_finalize(Machine *m) { | |
9444b1f2 LP |
459 | assert(m); |
460 | ||
461 | if (m->started) | |
462 | log_struct(LOG_INFO, | |
e2cc6eca | 463 | LOG_MESSAGE_ID(SD_MESSAGE_MACHINE_STOP), |
9444b1f2 | 464 | "NAME=%s", m->name, |
de0671ee | 465 | "LEADER="PID_FMT, m->leader, |
e2cc6eca | 466 | LOG_MESSAGE("Machine %s terminated.", m->name), |
9444b1f2 LP |
467 | NULL); |
468 | ||
89f7c846 | 469 | machine_unlink(m); |
9444b1f2 LP |
470 | machine_add_to_gc_queue(m); |
471 | ||
49f3fffd | 472 | if (m->started) { |
9444b1f2 | 473 | machine_send_signal(m, false); |
49f3fffd LP |
474 | m->started = false; |
475 | } | |
9444b1f2 | 476 | |
49f3fffd | 477 | return 0; |
9444b1f2 LP |
478 | } |
479 | ||
a658cafa | 480 | bool machine_check_gc(Machine *m, bool drop_not_started) { |
9444b1f2 LP |
481 | assert(m); |
482 | ||
fbe55073 LP |
483 | if (m->class == MACHINE_HOST) |
484 | return true; | |
485 | ||
9444b1f2 | 486 | if (drop_not_started && !m->started) |
c3350683 | 487 | return false; |
9444b1f2 | 488 | |
c3350683 LP |
489 | if (m->scope_job && manager_job_is_active(m->manager, m->scope_job)) |
490 | return true; | |
9444b1f2 | 491 | |
89f7c846 | 492 | if (m->unit && manager_unit_is_active(m->manager, m->unit)) |
c3350683 | 493 | return true; |
9444b1f2 | 494 | |
c3350683 | 495 | return false; |
9444b1f2 LP |
496 | } |
497 | ||
498 | void machine_add_to_gc_queue(Machine *m) { | |
499 | assert(m); | |
500 | ||
501 | if (m->in_gc_queue) | |
502 | return; | |
503 | ||
71fda00f | 504 | LIST_PREPEND(gc_queue, m->manager->machine_gc_queue, m); |
9444b1f2 LP |
505 | m->in_gc_queue = true; |
506 | } | |
507 | ||
fb6becb4 LP |
508 | MachineState machine_get_state(Machine *s) { |
509 | assert(s); | |
9444b1f2 | 510 | |
fbe55073 LP |
511 | if (s->class == MACHINE_HOST) |
512 | return MACHINE_RUNNING; | |
513 | ||
49f3fffd LP |
514 | if (s->stopping) |
515 | return MACHINE_CLOSING; | |
516 | ||
fb6becb4 | 517 | if (s->scope_job) |
49f3fffd | 518 | return MACHINE_OPENING; |
9444b1f2 | 519 | |
fb6becb4 LP |
520 | return MACHINE_RUNNING; |
521 | } | |
9444b1f2 | 522 | |
fb6becb4 LP |
523 | int machine_kill(Machine *m, KillWho who, int signo) { |
524 | assert(m); | |
9444b1f2 | 525 | |
fbe55073 LP |
526 | if (!IN_SET(m->class, MACHINE_VM, MACHINE_CONTAINER)) |
527 | return -EOPNOTSUPP; | |
528 | ||
89f7c846 | 529 | if (!m->unit) |
fb6becb4 | 530 | return -ESRCH; |
9444b1f2 | 531 | |
de58a50e LP |
532 | if (who == KILL_LEADER) { |
533 | /* If we shall simply kill the leader, do so directly */ | |
534 | ||
535 | if (kill(m->leader, signo) < 0) | |
536 | return -errno; | |
9d685ca8 ED |
537 | |
538 | return 0; | |
de58a50e LP |
539 | } |
540 | ||
541 | /* Otherwise make PID 1 do it for us, for the entire cgroup */ | |
542 | return manager_kill_unit(m->manager, m->unit, signo, NULL); | |
9444b1f2 LP |
543 | } |
544 | ||
fbe55073 LP |
545 | int machine_openpt(Machine *m, int flags) { |
546 | assert(m); | |
547 | ||
548 | switch (m->class) { | |
549 | ||
5f430ff7 LP |
550 | case MACHINE_HOST: { |
551 | int fd; | |
552 | ||
553 | fd = posix_openpt(flags); | |
554 | if (fd < 0) | |
555 | return -errno; | |
556 | ||
557 | if (unlockpt(fd) < 0) | |
558 | return -errno; | |
559 | ||
560 | return fd; | |
561 | } | |
fbe55073 LP |
562 | |
563 | case MACHINE_CONTAINER: | |
564 | if (m->leader <= 0) | |
565 | return -EINVAL; | |
566 | ||
567 | return openpt_in_namespace(m->leader, flags); | |
568 | ||
569 | default: | |
570 | return -EOPNOTSUPP; | |
571 | } | |
572 | } | |
573 | ||
0370612e LP |
574 | MachineOperation *machine_operation_unref(MachineOperation *o) { |
575 | if (!o) | |
576 | return NULL; | |
577 | ||
578 | sd_event_source_unref(o->event_source); | |
579 | ||
580 | safe_close(o->errno_fd); | |
581 | ||
582 | if (o->pid > 1) | |
583 | (void) kill(o->pid, SIGKILL); | |
584 | ||
585 | sd_bus_message_unref(o->message); | |
586 | ||
587 | if (o->machine) { | |
588 | LIST_REMOVE(operations, o->machine->operations, o); | |
589 | o->machine->n_operations--; | |
590 | } | |
591 | ||
592 | free(o); | |
593 | return NULL; | |
594 | } | |
595 | ||
9b420b3c LP |
596 | void machine_release_unit(Machine *m) { |
597 | assert(m); | |
598 | ||
599 | if (!m->unit) | |
600 | return; | |
601 | ||
602 | (void) hashmap_remove(m->manager->machine_units, m->unit); | |
a1e58e8e | 603 | m->unit = mfree(m->unit); |
9b420b3c LP |
604 | } |
605 | ||
9444b1f2 LP |
606 | static const char* const machine_class_table[_MACHINE_CLASS_MAX] = { |
607 | [MACHINE_CONTAINER] = "container", | |
fbe55073 LP |
608 | [MACHINE_VM] = "vm", |
609 | [MACHINE_HOST] = "host", | |
9444b1f2 LP |
610 | }; |
611 | ||
612 | DEFINE_STRING_TABLE_LOOKUP(machine_class, MachineClass); | |
fb6becb4 LP |
613 | |
614 | static const char* const machine_state_table[_MACHINE_STATE_MAX] = { | |
615 | [MACHINE_OPENING] = "opening", | |
616 | [MACHINE_RUNNING] = "running", | |
617 | [MACHINE_CLOSING] = "closing" | |
618 | }; | |
619 | ||
620 | DEFINE_STRING_TABLE_LOOKUP(machine_state, MachineState); | |
1ee306e1 LP |
621 | |
622 | static const char* const kill_who_table[_KILL_WHO_MAX] = { | |
623 | [KILL_LEADER] = "leader", | |
624 | [KILL_ALL] = "all" | |
625 | }; | |
626 | ||
627 | DEFINE_STRING_TABLE_LOOKUP(kill_who, KillWho); |