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d6c9574f | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
5cb5a6ff | 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 | |
5430f7f2 LP |
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 | |
a7334b09 LP |
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 | |
5430f7f2 | 16 | Lesser General Public License for more details. |
a7334b09 | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
a7334b09 LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
d46de8a1 LP |
22 | #include <errno.h> |
23 | ||
87f0e418 | 24 | #include "unit.h" |
871d7de4 | 25 | #include "unit-name.h" |
5cb5a6ff | 26 | #include "timer.h" |
871d7de4 | 27 | #include "dbus-timer.h" |
a40eb732 | 28 | #include "special.h" |
398ef8ba | 29 | #include "bus-errors.h" |
871d7de4 LP |
30 | |
31 | static const UnitActiveState state_translation_table[_TIMER_STATE_MAX] = { | |
32 | [TIMER_DEAD] = UNIT_INACTIVE, | |
33 | [TIMER_WAITING] = UNIT_ACTIVE, | |
34 | [TIMER_RUNNING] = UNIT_ACTIVE, | |
35 | [TIMER_ELAPSED] = UNIT_ACTIVE, | |
fdf20a31 | 36 | [TIMER_FAILED] = UNIT_FAILED |
871d7de4 LP |
37 | }; |
38 | ||
39 | static void timer_init(Unit *u) { | |
40 | Timer *t = TIMER(u); | |
41 | ||
42 | assert(u); | |
ac155bb8 | 43 | assert(u->load_state == UNIT_STUB); |
871d7de4 | 44 | |
36697dc0 LP |
45 | t->next_elapse_monotonic = (usec_t) -1; |
46 | t->next_elapse_realtime = (usec_t) -1; | |
47 | watch_init(&t->monotonic_watch); | |
48 | watch_init(&t->realtime_watch); | |
871d7de4 | 49 | } |
5cb5a6ff | 50 | |
87f0e418 LP |
51 | static void timer_done(Unit *u) { |
52 | Timer *t = TIMER(u); | |
871d7de4 LP |
53 | TimerValue *v; |
54 | ||
55 | assert(t); | |
56 | ||
57 | while ((v = t->values)) { | |
58 | LIST_REMOVE(TimerValue, value, t->values, v); | |
36697dc0 LP |
59 | |
60 | if (v->calendar_spec) | |
61 | calendar_spec_free(v->calendar_spec); | |
62 | ||
871d7de4 LP |
63 | free(v); |
64 | } | |
65 | ||
36697dc0 LP |
66 | unit_unwatch_timer(u, &t->monotonic_watch); |
67 | unit_unwatch_timer(u, &t->realtime_watch); | |
57020a3a LP |
68 | |
69 | unit_ref_unset(&t->unit); | |
871d7de4 LP |
70 | } |
71 | ||
72 | static int timer_verify(Timer *t) { | |
73 | assert(t); | |
74 | ||
1124fe6f | 75 | if (UNIT(t)->load_state != UNIT_LOADED) |
871d7de4 LP |
76 | return 0; |
77 | ||
78 | if (!t->values) { | |
66870f90 ZJS |
79 | log_error_unit(UNIT(t)->id, |
80 | "%s lacks value setting. Refusing.", UNIT(t)->id); | |
871d7de4 LP |
81 | return -EINVAL; |
82 | } | |
83 | ||
84 | return 0; | |
85 | } | |
86 | ||
6c155fe3 LP |
87 | static int timer_add_default_dependencies(Timer *t) { |
88 | int r; | |
89 | ||
90 | assert(t); | |
91 | ||
67445f4e | 92 | if (UNIT(t)->manager->running_as == SYSTEMD_SYSTEM) { |
36697dc0 LP |
93 | r = unit_add_dependency_by_name(UNIT(t), UNIT_BEFORE, SPECIAL_BASIC_TARGET, NULL, true); |
94 | if (r < 0) | |
2a77d31d LP |
95 | return r; |
96 | ||
36697dc0 LP |
97 | r = unit_add_two_dependencies_by_name(UNIT(t), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SYSINIT_TARGET, NULL, true); |
98 | if (r < 0) | |
6c155fe3 | 99 | return r; |
2a77d31d | 100 | } |
6c155fe3 | 101 | |
ead8e478 | 102 | return unit_add_two_dependencies_by_name(UNIT(t), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true); |
6c155fe3 LP |
103 | } |
104 | ||
871d7de4 LP |
105 | static int timer_load(Unit *u) { |
106 | Timer *t = TIMER(u); | |
107 | int r; | |
108 | ||
109 | assert(u); | |
ac155bb8 | 110 | assert(u->load_state == UNIT_STUB); |
871d7de4 | 111 | |
36697dc0 LP |
112 | r = unit_load_fragment_and_dropin(u); |
113 | if (r < 0) | |
871d7de4 LP |
114 | return r; |
115 | ||
ac155bb8 | 116 | if (u->load_state == UNIT_LOADED) { |
871d7de4 | 117 | |
57020a3a LP |
118 | if (!UNIT_DEREF(t->unit)) { |
119 | Unit *x; | |
120 | ||
121 | r = unit_load_related_unit(u, ".service", &x); | |
122 | if (r < 0) | |
871d7de4 LP |
123 | return r; |
124 | ||
57020a3a LP |
125 | unit_ref_set(&t->unit, x); |
126 | } | |
127 | ||
128 | r = unit_add_two_dependencies(u, UNIT_BEFORE, UNIT_TRIGGERS, UNIT_DEREF(t->unit), true); | |
129 | if (r < 0) | |
871d7de4 | 130 | return r; |
a40eb732 | 131 | |
36697dc0 LP |
132 | if (UNIT(t)->default_dependencies) { |
133 | r = timer_add_default_dependencies(t); | |
134 | if (r < 0) | |
a40eb732 | 135 | return r; |
36697dc0 | 136 | } |
871d7de4 LP |
137 | } |
138 | ||
139 | return timer_verify(t); | |
140 | } | |
141 | ||
142 | static void timer_dump(Unit *u, FILE *f, const char *prefix) { | |
143 | Timer *t = TIMER(u); | |
871d7de4 | 144 | TimerValue *v; |
034c6ed7 | 145 | |
871d7de4 LP |
146 | fprintf(f, |
147 | "%sTimer State: %s\n" | |
067d72c9 | 148 | "%sResult: %s\n" |
871d7de4 LP |
149 | "%sUnit: %s\n", |
150 | prefix, timer_state_to_string(t->state), | |
067d72c9 | 151 | prefix, timer_result_to_string(t->result), |
ac155bb8 | 152 | prefix, UNIT_DEREF(t->unit)->id); |
871d7de4 | 153 | |
36697dc0 LP |
154 | LIST_FOREACH(value, v, t->values) { |
155 | ||
156 | if (v->base == TIMER_CALENDAR) { | |
157 | _cleanup_free_ char *p = NULL; | |
158 | ||
159 | calendar_spec_to_string(v->calendar_spec, &p); | |
160 | ||
161 | fprintf(f, | |
162 | "%s%s: %s\n", | |
163 | prefix, | |
164 | timer_base_to_string(v->base), | |
165 | strna(p)); | |
166 | } else { | |
167 | char timespan1[FORMAT_TIMESPAN_MAX]; | |
168 | ||
169 | fprintf(f, | |
170 | "%s%s: %s\n", | |
171 | prefix, | |
172 | timer_base_to_string(v->base), | |
173 | strna(format_timespan(timespan1, sizeof(timespan1), v->value))); | |
174 | } | |
175 | } | |
871d7de4 LP |
176 | } |
177 | ||
178 | static void timer_set_state(Timer *t, TimerState state) { | |
179 | TimerState old_state; | |
034c6ed7 | 180 | assert(t); |
871d7de4 LP |
181 | |
182 | old_state = t->state; | |
183 | t->state = state; | |
184 | ||
36697dc0 LP |
185 | if (state != TIMER_WAITING) { |
186 | unit_unwatch_timer(UNIT(t), &t->monotonic_watch); | |
187 | unit_unwatch_timer(UNIT(t), &t->realtime_watch); | |
188 | } | |
871d7de4 LP |
189 | |
190 | if (state != old_state) | |
66870f90 ZJS |
191 | log_debug_unit(UNIT(t)->id, |
192 | "%s changed %s -> %s", UNIT(t)->id, | |
193 | timer_state_to_string(old_state), | |
194 | timer_state_to_string(state)); | |
871d7de4 | 195 | |
e2f3b44c | 196 | unit_notify(UNIT(t), state_translation_table[old_state], state_translation_table[state], true); |
871d7de4 LP |
197 | } |
198 | ||
199 | static void timer_enter_waiting(Timer *t, bool initial); | |
200 | ||
201 | static int timer_coldplug(Unit *u) { | |
202 | Timer *t = TIMER(u); | |
203 | ||
204 | assert(t); | |
205 | assert(t->state == TIMER_DEAD); | |
206 | ||
207 | if (t->deserialized_state != t->state) { | |
208 | ||
b363ca6f | 209 | if (t->deserialized_state == TIMER_WAITING) |
871d7de4 LP |
210 | timer_enter_waiting(t, false); |
211 | else | |
212 | timer_set_state(t, t->deserialized_state); | |
213 | } | |
214 | ||
215 | return 0; | |
216 | } | |
217 | ||
067d72c9 | 218 | static void timer_enter_dead(Timer *t, TimerResult f) { |
871d7de4 LP |
219 | assert(t); |
220 | ||
067d72c9 LP |
221 | if (f != TIMER_SUCCESS) |
222 | t->result = f; | |
871d7de4 | 223 | |
067d72c9 | 224 | timer_set_state(t, t->result != TIMER_SUCCESS ? TIMER_FAILED : TIMER_DEAD); |
871d7de4 LP |
225 | } |
226 | ||
227 | static void timer_enter_waiting(Timer *t, bool initial) { | |
228 | TimerValue *v; | |
36697dc0 LP |
229 | usec_t base = 0; |
230 | dual_timestamp ts; | |
231 | bool found_monotonic = false, found_realtime = false; | |
871d7de4 LP |
232 | int r; |
233 | ||
36697dc0 LP |
234 | dual_timestamp_get(&ts); |
235 | t->next_elapse_monotonic = t->next_elapse_realtime = 0; | |
871d7de4 LP |
236 | |
237 | LIST_FOREACH(value, v, t->values) { | |
238 | ||
239 | if (v->disabled) | |
240 | continue; | |
241 | ||
36697dc0 LP |
242 | if (v->base == TIMER_CALENDAR) { |
243 | ||
244 | r = calendar_spec_next_usec(v->calendar_spec, ts.realtime, &v->next_elapse); | |
245 | if (r < 0) | |
246 | continue; | |
247 | ||
248 | if (!initial && v->next_elapse < ts.realtime) { | |
249 | v->disabled = true; | |
250 | continue; | |
251 | } | |
871d7de4 | 252 | |
36697dc0 LP |
253 | if (!found_realtime) |
254 | t->next_elapse_realtime = v->next_elapse; | |
10717a1a | 255 | else |
36697dc0 | 256 | t->next_elapse_realtime = MIN(t->next_elapse_realtime, v->next_elapse); |
871d7de4 | 257 | |
36697dc0 | 258 | found_realtime = true; |
871d7de4 | 259 | |
36697dc0 LP |
260 | } else { |
261 | switch (v->base) { | |
871d7de4 | 262 | |
36697dc0 LP |
263 | case TIMER_ACTIVE: |
264 | if (state_translation_table[t->state] == UNIT_ACTIVE) | |
265 | base = UNIT(t)->inactive_exit_timestamp.monotonic; | |
266 | else | |
267 | base = ts.monotonic; | |
268 | break; | |
871d7de4 | 269 | |
36697dc0 LP |
270 | case TIMER_BOOT: |
271 | /* CLOCK_MONOTONIC equals the uptime on Linux */ | |
272 | base = 0; | |
273 | break; | |
871d7de4 | 274 | |
36697dc0 LP |
275 | case TIMER_STARTUP: |
276 | base = UNIT(t)->manager->userspace_timestamp.monotonic; | |
277 | break; | |
871d7de4 | 278 | |
36697dc0 | 279 | case TIMER_UNIT_ACTIVE: |
871d7de4 | 280 | |
36697dc0 LP |
281 | if (UNIT_DEREF(t->unit)->inactive_exit_timestamp.monotonic <= 0) |
282 | continue; | |
871d7de4 | 283 | |
36697dc0 LP |
284 | base = UNIT_DEREF(t->unit)->inactive_exit_timestamp.monotonic; |
285 | break; | |
871d7de4 | 286 | |
36697dc0 | 287 | case TIMER_UNIT_INACTIVE: |
871d7de4 | 288 | |
36697dc0 LP |
289 | if (UNIT_DEREF(t->unit)->inactive_enter_timestamp.monotonic <= 0) |
290 | continue; | |
871d7de4 | 291 | |
36697dc0 LP |
292 | base = UNIT_DEREF(t->unit)->inactive_enter_timestamp.monotonic; |
293 | break; | |
871d7de4 | 294 | |
36697dc0 LP |
295 | default: |
296 | assert_not_reached("Unknown timer base"); | |
297 | } | |
871d7de4 | 298 | |
36697dc0 LP |
299 | v->next_elapse = base + v->value; |
300 | ||
301 | if (!initial && v->next_elapse < ts.monotonic) { | |
302 | v->disabled = true; | |
303 | continue; | |
304 | } | |
305 | ||
306 | if (!found_monotonic) | |
307 | t->next_elapse_monotonic = v->next_elapse; | |
308 | else | |
309 | t->next_elapse_monotonic = MIN(t->next_elapse_monotonic, v->next_elapse); | |
310 | ||
311 | found_monotonic = true; | |
312 | } | |
871d7de4 LP |
313 | } |
314 | ||
36697dc0 | 315 | if (!found_monotonic && !found_realtime) { |
66870f90 | 316 | log_debug_unit(UNIT(t)->id, "%s: Timer is elapsed.", UNIT(t)->id); |
871d7de4 LP |
317 | timer_set_state(t, TIMER_ELAPSED); |
318 | return; | |
319 | } | |
320 | ||
36697dc0 LP |
321 | if (found_monotonic) { |
322 | char buf[FORMAT_TIMESPAN_MAX]; | |
66870f90 ZJS |
323 | log_debug_unit(UNIT(t)->id, |
324 | "%s: Monotonic timer elapses in %s the next time.", | |
325 | UNIT(t)->id, | |
b719810d | 326 | format_timespan(buf, sizeof(buf), t->next_elapse_monotonic > ts.monotonic ? t->next_elapse_monotonic - ts.monotonic : 0)); |
871d7de4 | 327 | |
36697dc0 LP |
328 | r = unit_watch_timer(UNIT(t), CLOCK_MONOTONIC, false, t->next_elapse_monotonic, &t->monotonic_watch); |
329 | if (r < 0) | |
330 | goto fail; | |
331 | } else | |
332 | unit_unwatch_timer(UNIT(t), &t->monotonic_watch); | |
333 | ||
334 | if (found_realtime) { | |
335 | char buf[FORMAT_TIMESTAMP_MAX]; | |
66870f90 ZJS |
336 | log_debug_unit(UNIT(t)->id, |
337 | "%s: Realtime timer elapses at %s the next time.", | |
338 | UNIT(t)->id, | |
339 | format_timestamp(buf, sizeof(buf), t->next_elapse_realtime)); | |
36697dc0 LP |
340 | |
341 | r = unit_watch_timer(UNIT(t), CLOCK_REALTIME, false, t->next_elapse_realtime, &t->realtime_watch); | |
342 | if (r < 0) | |
343 | goto fail; | |
344 | } else | |
345 | unit_unwatch_timer(UNIT(t), &t->realtime_watch); | |
871d7de4 LP |
346 | |
347 | timer_set_state(t, TIMER_WAITING); | |
348 | return; | |
349 | ||
350 | fail: | |
66870f90 ZJS |
351 | log_warning_unit(UNIT(t)->id, |
352 | "%s failed to enter waiting state: %s", | |
353 | UNIT(t)->id, strerror(-r)); | |
067d72c9 | 354 | timer_enter_dead(t, TIMER_FAILURE_RESOURCES); |
871d7de4 LP |
355 | } |
356 | ||
357 | static void timer_enter_running(Timer *t) { | |
398ef8ba | 358 | DBusError error; |
871d7de4 | 359 | int r; |
398ef8ba | 360 | |
871d7de4 | 361 | assert(t); |
398ef8ba | 362 | dbus_error_init(&error); |
871d7de4 | 363 | |
ba3e67a7 | 364 | /* Don't start job if we are supposed to go down */ |
1124fe6f | 365 | if (UNIT(t)->job && UNIT(t)->job->type == JOB_STOP) |
ba3e67a7 LP |
366 | return; |
367 | ||
36697dc0 LP |
368 | r = manager_add_job(UNIT(t)->manager, JOB_START, UNIT_DEREF(t->unit), JOB_REPLACE, true, &error, NULL); |
369 | if (r < 0) | |
871d7de4 LP |
370 | goto fail; |
371 | ||
372 | timer_set_state(t, TIMER_RUNNING); | |
373 | return; | |
374 | ||
375 | fail: | |
66870f90 ZJS |
376 | log_warning_unit(UNIT(t)->id, |
377 | "%s failed to queue unit startup job: %s", | |
378 | UNIT(t)->id, bus_error(&error, r)); | |
067d72c9 | 379 | timer_enter_dead(t, TIMER_FAILURE_RESOURCES); |
398ef8ba LP |
380 | |
381 | dbus_error_free(&error); | |
871d7de4 LP |
382 | } |
383 | ||
384 | static int timer_start(Unit *u) { | |
385 | Timer *t = TIMER(u); | |
386 | ||
387 | assert(t); | |
fdf20a31 | 388 | assert(t->state == TIMER_DEAD || t->state == TIMER_FAILED); |
01f78473 | 389 | |
ac155bb8 | 390 | if (UNIT_DEREF(t->unit)->load_state != UNIT_LOADED) |
01f78473 | 391 | return -ENOENT; |
871d7de4 | 392 | |
067d72c9 | 393 | t->result = TIMER_SUCCESS; |
871d7de4 LP |
394 | timer_enter_waiting(t, true); |
395 | return 0; | |
396 | } | |
397 | ||
398 | static int timer_stop(Unit *u) { | |
399 | Timer *t = TIMER(u); | |
400 | ||
401 | assert(t); | |
402 | assert(t->state == TIMER_WAITING || t->state == TIMER_RUNNING || t->state == TIMER_ELAPSED); | |
403 | ||
067d72c9 | 404 | timer_enter_dead(t, TIMER_SUCCESS); |
871d7de4 LP |
405 | return 0; |
406 | } | |
407 | ||
408 | static int timer_serialize(Unit *u, FILE *f, FDSet *fds) { | |
409 | Timer *t = TIMER(u); | |
410 | ||
411 | assert(u); | |
412 | assert(f); | |
413 | assert(fds); | |
414 | ||
415 | unit_serialize_item(u, f, "state", timer_state_to_string(t->state)); | |
067d72c9 | 416 | unit_serialize_item(u, f, "result", timer_result_to_string(t->result)); |
871d7de4 LP |
417 | |
418 | return 0; | |
419 | } | |
420 | ||
421 | static int timer_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) { | |
422 | Timer *t = TIMER(u); | |
423 | ||
424 | assert(u); | |
425 | assert(key); | |
426 | assert(value); | |
427 | assert(fds); | |
428 | ||
429 | if (streq(key, "state")) { | |
430 | TimerState state; | |
431 | ||
36697dc0 LP |
432 | state = timer_state_from_string(value); |
433 | if (state < 0) | |
66870f90 | 434 | log_debug_unit(u->id, "Failed to parse state value %s", value); |
871d7de4 LP |
435 | else |
436 | t->deserialized_state = state; | |
067d72c9 LP |
437 | } else if (streq(key, "result")) { |
438 | TimerResult f; | |
439 | ||
440 | f = timer_result_from_string(value); | |
441 | if (f < 0) | |
66870f90 | 442 | log_debug_unit(u->id, "Failed to parse result value %s", value); |
067d72c9 LP |
443 | else if (f != TIMER_SUCCESS) |
444 | t->result = f; | |
445 | ||
871d7de4 | 446 | } else |
66870f90 | 447 | log_debug_unit(u->id, "Unknown serialization key '%s'", key); |
871d7de4 LP |
448 | |
449 | return 0; | |
034c6ed7 LP |
450 | } |
451 | ||
87f0e418 | 452 | static UnitActiveState timer_active_state(Unit *u) { |
871d7de4 LP |
453 | assert(u); |
454 | ||
455 | return state_translation_table[TIMER(u)->state]; | |
456 | } | |
457 | ||
458 | static const char *timer_sub_state_to_string(Unit *u) { | |
459 | assert(u); | |
460 | ||
461 | return timer_state_to_string(TIMER(u)->state); | |
462 | } | |
463 | ||
464 | static void timer_timer_event(Unit *u, uint64_t elapsed, Watch *w) { | |
465 | Timer *t = TIMER(u); | |
466 | ||
467 | assert(t); | |
468 | assert(elapsed == 1); | |
5cb5a6ff | 469 | |
871d7de4 LP |
470 | if (t->state != TIMER_WAITING) |
471 | return; | |
5cb5a6ff | 472 | |
66870f90 | 473 | log_debug_unit(u->id, "Timer elapsed on %s", u->id); |
871d7de4 | 474 | timer_enter_running(t); |
5cb5a6ff LP |
475 | } |
476 | ||
871d7de4 | 477 | void timer_unit_notify(Unit *u, UnitActiveState new_state) { |
871d7de4 | 478 | Iterator i; |
57020a3a | 479 | Unit *k; |
871d7de4 | 480 | |
ac155bb8 | 481 | if (u->type == UNIT_TIMER) |
871d7de4 LP |
482 | return; |
483 | ||
ac155bb8 | 484 | SET_FOREACH(k, u->dependencies[UNIT_TRIGGERED_BY], i) { |
871d7de4 LP |
485 | Timer *t; |
486 | TimerValue *v; | |
487 | ||
ac155bb8 | 488 | if (k->type != UNIT_TIMER) |
871d7de4 LP |
489 | continue; |
490 | ||
ac155bb8 | 491 | if (k->load_state != UNIT_LOADED) |
01f78473 LP |
492 | continue; |
493 | ||
57020a3a | 494 | t = TIMER(k); |
871d7de4 LP |
495 | |
496 | /* Reenable all timers that depend on unit state */ | |
497 | LIST_FOREACH(value, v, t->values) | |
498 | if (v->base == TIMER_UNIT_ACTIVE || | |
499 | v->base == TIMER_UNIT_INACTIVE) | |
500 | v->disabled = false; | |
501 | ||
502 | switch (t->state) { | |
503 | ||
504 | case TIMER_WAITING: | |
505 | case TIMER_ELAPSED: | |
506 | ||
507 | /* Recalculate sleep time */ | |
508 | timer_enter_waiting(t, false); | |
509 | break; | |
510 | ||
511 | case TIMER_RUNNING: | |
512 | ||
fdf20a31 | 513 | if (UNIT_IS_INACTIVE_OR_FAILED(new_state)) { |
66870f90 ZJS |
514 | log_debug_unit(UNIT(t)->id, |
515 | "%s got notified about unit deactivation.", | |
516 | UNIT(t)->id); | |
871d7de4 LP |
517 | timer_enter_waiting(t, false); |
518 | } | |
519 | ||
520 | break; | |
521 | ||
522 | case TIMER_DEAD: | |
fdf20a31 | 523 | case TIMER_FAILED: |
0b021426 | 524 | break; |
871d7de4 LP |
525 | |
526 | default: | |
527 | assert_not_reached("Unknown timer state"); | |
528 | } | |
529 | } | |
871d7de4 LP |
530 | } |
531 | ||
fdf20a31 | 532 | static void timer_reset_failed(Unit *u) { |
5632e374 LP |
533 | Timer *t = TIMER(u); |
534 | ||
535 | assert(t); | |
536 | ||
fdf20a31 | 537 | if (t->state == TIMER_FAILED) |
5632e374 LP |
538 | timer_set_state(t, TIMER_DEAD); |
539 | ||
067d72c9 | 540 | t->result = TIMER_SUCCESS; |
5632e374 LP |
541 | } |
542 | ||
8742514c LP |
543 | static void timer_time_change(Unit *u) { |
544 | Timer *t = TIMER(u); | |
545 | ||
546 | assert(u); | |
547 | ||
548 | if (t->state != TIMER_WAITING) | |
549 | return; | |
550 | ||
66870f90 ZJS |
551 | log_info_unit(u->id, |
552 | "%s: time change, recalculating next elapse.", u->id); | |
8742514c LP |
553 | timer_enter_waiting(t, false); |
554 | } | |
555 | ||
871d7de4 LP |
556 | static const char* const timer_state_table[_TIMER_STATE_MAX] = { |
557 | [TIMER_DEAD] = "dead", | |
558 | [TIMER_WAITING] = "waiting", | |
559 | [TIMER_RUNNING] = "running", | |
560 | [TIMER_ELAPSED] = "elapsed", | |
fdf20a31 | 561 | [TIMER_FAILED] = "failed" |
871d7de4 LP |
562 | }; |
563 | ||
564 | DEFINE_STRING_TABLE_LOOKUP(timer_state, TimerState); | |
565 | ||
566 | static const char* const timer_base_table[_TIMER_BASE_MAX] = { | |
03fae018 LP |
567 | [TIMER_ACTIVE] = "OnActiveSec", |
568 | [TIMER_BOOT] = "OnBootSec", | |
569 | [TIMER_STARTUP] = "OnStartupSec", | |
570 | [TIMER_UNIT_ACTIVE] = "OnUnitActiveSec", | |
36697dc0 LP |
571 | [TIMER_UNIT_INACTIVE] = "OnUnitInactiveSec", |
572 | [TIMER_CALENDAR] = "OnCalendar" | |
871d7de4 LP |
573 | }; |
574 | ||
575 | DEFINE_STRING_TABLE_LOOKUP(timer_base, TimerBase); | |
576 | ||
067d72c9 LP |
577 | static const char* const timer_result_table[_TIMER_RESULT_MAX] = { |
578 | [TIMER_SUCCESS] = "success", | |
579 | [TIMER_FAILURE_RESOURCES] = "resources" | |
580 | }; | |
581 | ||
582 | DEFINE_STRING_TABLE_LOOKUP(timer_result, TimerResult); | |
583 | ||
87f0e418 | 584 | const UnitVTable timer_vtable = { |
7d17cfbc | 585 | .object_size = sizeof(Timer), |
f975e971 LP |
586 | .sections = |
587 | "Unit\0" | |
588 | "Timer\0" | |
589 | "Install\0", | |
5cb5a6ff | 590 | |
871d7de4 | 591 | .init = timer_init, |
034c6ed7 | 592 | .done = timer_done, |
871d7de4 LP |
593 | .load = timer_load, |
594 | ||
595 | .coldplug = timer_coldplug, | |
596 | ||
597 | .dump = timer_dump, | |
598 | ||
599 | .start = timer_start, | |
600 | .stop = timer_stop, | |
601 | ||
602 | .serialize = timer_serialize, | |
603 | .deserialize_item = timer_deserialize_item, | |
604 | ||
605 | .active_state = timer_active_state, | |
606 | .sub_state_to_string = timer_sub_state_to_string, | |
607 | ||
608 | .timer_event = timer_timer_event, | |
5cb5a6ff | 609 | |
fdf20a31 | 610 | .reset_failed = timer_reset_failed, |
8742514c | 611 | .time_change = timer_time_change, |
5632e374 | 612 | |
c4e2ceae LP |
613 | .bus_interface = "org.freedesktop.systemd1.Timer", |
614 | .bus_message_handler = bus_timer_message_handler, | |
615 | .bus_invalidating_properties = bus_timer_invalidating_properties | |
5cb5a6ff | 616 | }; |