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Commit | Line | Data |
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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
a7334b09 | 2 | |
ca78ad1d ZJS |
3 | #include <sys/stat.h> |
4 | #include <sys/types.h> | |
5 | #include <unistd.h> | |
6 | ||
d46de8a1 LP |
7 | #include <errno.h> |
8 | ||
b5efdb8a | 9 | #include "alloc-util.h" |
07630cea LP |
10 | #include "bus-error.h" |
11 | #include "bus-util.h" | |
871d7de4 | 12 | #include "dbus-timer.h" |
6fcbec6f | 13 | #include "dbus-unit.h" |
f4f15635 | 14 | #include "fs-util.h" |
6bedfcbb | 15 | #include "parse-util.h" |
744c7693 | 16 | #include "random-util.h" |
d68c645b | 17 | #include "serialize.h" |
a40eb732 | 18 | #include "special.h" |
8b43440b | 19 | #include "string-table.h" |
07630cea | 20 | #include "string-util.h" |
b1d4f8e1 | 21 | #include "timer.h" |
07630cea LP |
22 | #include "unit-name.h" |
23 | #include "unit.h" | |
b1d4f8e1 | 24 | #include "user-util.h" |
c1d9ba99 | 25 | #include "virt.h" |
871d7de4 LP |
26 | |
27 | static const UnitActiveState state_translation_table[_TIMER_STATE_MAX] = { | |
28 | [TIMER_DEAD] = UNIT_INACTIVE, | |
29 | [TIMER_WAITING] = UNIT_ACTIVE, | |
30 | [TIMER_RUNNING] = UNIT_ACTIVE, | |
31 | [TIMER_ELAPSED] = UNIT_ACTIVE, | |
fdf20a31 | 32 | [TIMER_FAILED] = UNIT_FAILED |
871d7de4 LP |
33 | }; |
34 | ||
718db961 LP |
35 | static int timer_dispatch(sd_event_source *s, uint64_t usec, void *userdata); |
36 | ||
871d7de4 LP |
37 | static void timer_init(Unit *u) { |
38 | Timer *t = TIMER(u); | |
39 | ||
40 | assert(u); | |
ac155bb8 | 41 | assert(u->load_state == UNIT_STUB); |
871d7de4 | 42 | |
3a43da28 KS |
43 | t->next_elapse_monotonic_or_boottime = USEC_INFINITY; |
44 | t->next_elapse_realtime = USEC_INFINITY; | |
bd8f585b | 45 | t->accuracy_usec = u->manager->default_timer_accuracy_usec; |
3e0c30ac | 46 | t->remain_after_elapse = true; |
871d7de4 | 47 | } |
5cb5a6ff | 48 | |
74051b9b | 49 | void timer_free_values(Timer *t) { |
871d7de4 LP |
50 | TimerValue *v; |
51 | ||
52 | assert(t); | |
53 | ||
54 | while ((v = t->values)) { | |
71fda00f | 55 | LIST_REMOVE(value, t->values, v); |
3e044c49 | 56 | calendar_spec_free(v->calendar_spec); |
871d7de4 LP |
57 | free(v); |
58 | } | |
74051b9b LP |
59 | } |
60 | ||
61 | static void timer_done(Unit *u) { | |
62 | Timer *t = TIMER(u); | |
63 | ||
64 | assert(t); | |
65 | ||
66 | timer_free_values(t); | |
871d7de4 | 67 | |
5dcadb4c ZJS |
68 | t->monotonic_event_source = sd_event_source_disable_unref(t->monotonic_event_source); |
69 | t->realtime_event_source = sd_event_source_disable_unref(t->realtime_event_source); | |
06642d17 | 70 | |
756491af | 71 | t->stamp_path = mfree(t->stamp_path); |
871d7de4 LP |
72 | } |
73 | ||
74 | static int timer_verify(Timer *t) { | |
75 | assert(t); | |
75193d41 | 76 | assert(UNIT(t)->load_state == UNIT_LOADED); |
871d7de4 | 77 | |
d85ff944 YW |
78 | if (!t->values && !t->on_clock_change && !t->on_timezone_change) |
79 | return log_unit_error_errno(UNIT(t), SYNTHETIC_ERRNO(ENOEXEC), "Timer unit lacks value setting. Refusing."); | |
871d7de4 LP |
80 | |
81 | return 0; | |
82 | } | |
83 | ||
6c155fe3 LP |
84 | static int timer_add_default_dependencies(Timer *t) { |
85 | int r; | |
86 | ||
87 | assert(t); | |
88 | ||
4c9ea260 LP |
89 | if (!UNIT(t)->default_dependencies) |
90 | return 0; | |
91 | ||
35d8c19a | 92 | r = unit_add_dependency_by_name(UNIT(t), UNIT_BEFORE, SPECIAL_TIMERS_TARGET, true, UNIT_DEPENDENCY_DEFAULT); |
e3d84721 LP |
93 | if (r < 0) |
94 | return r; | |
2a77d31d | 95 | |
463d0d15 | 96 | if (MANAGER_IS_SYSTEM(UNIT(t)->manager)) { |
5a724170 | 97 | r = unit_add_two_dependencies_by_name(UNIT(t), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SYSINIT_TARGET, true, UNIT_DEPENDENCY_DEFAULT); |
36697dc0 | 98 | if (r < 0) |
6c155fe3 | 99 | return r; |
19f8d037 | 100 | |
fe934b42 | 101 | LIST_FOREACH(value, v, t->values) { |
fe934b42 LP |
102 | if (v->base != TIMER_CALENDAR) |
103 | continue; | |
104 | ||
105 | FOREACH_STRING(target, SPECIAL_TIME_SYNC_TARGET, SPECIAL_TIME_SET_TARGET) { | |
106 | r = unit_add_dependency_by_name(UNIT(t), UNIT_AFTER, target, true, UNIT_DEPENDENCY_DEFAULT); | |
19f8d037 TGR |
107 | if (r < 0) |
108 | return r; | |
19f8d037 | 109 | } |
fe934b42 LP |
110 | |
111 | break; | |
112 | } | |
2a77d31d | 113 | } |
6c155fe3 | 114 | |
5a724170 | 115 | return unit_add_two_dependencies_by_name(UNIT(t), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, true, UNIT_DEPENDENCY_DEFAULT); |
eef85c4a LP |
116 | } |
117 | ||
118 | static int timer_add_trigger_dependencies(Timer *t) { | |
119 | Unit *x; | |
120 | int r; | |
121 | ||
122 | assert(t); | |
123 | ||
bc32241e | 124 | if (UNIT_TRIGGER(UNIT(t))) |
eef85c4a LP |
125 | return 0; |
126 | ||
127 | r = unit_load_related_unit(UNIT(t), ".service", &x); | |
128 | if (r < 0) | |
129 | return r; | |
130 | ||
131 | return unit_add_two_dependencies(UNIT(t), UNIT_BEFORE, UNIT_TRIGGERS, x, true, UNIT_DEPENDENCY_IMPLICIT); | |
6c155fe3 LP |
132 | } |
133 | ||
06642d17 | 134 | static int timer_setup_persistent(Timer *t) { |
d3ab7b80 | 135 | _cleanup_free_ char *stamp_path = NULL; |
06642d17 LP |
136 | int r; |
137 | ||
138 | assert(t); | |
139 | ||
140 | if (!t->persistent) | |
141 | return 0; | |
142 | ||
463d0d15 | 143 | if (MANAGER_IS_SYSTEM(UNIT(t)->manager)) { |
06642d17 | 144 | |
eef85c4a | 145 | r = unit_require_mounts_for(UNIT(t), "/var/lib/systemd/timers", UNIT_DEPENDENCY_FILE); |
06642d17 LP |
146 | if (r < 0) |
147 | return r; | |
148 | ||
d3ab7b80 | 149 | stamp_path = strjoin("/var/lib/systemd/timers/stamp-", UNIT(t)->id); |
06642d17 LP |
150 | } else { |
151 | const char *e; | |
152 | ||
153 | e = getenv("XDG_DATA_HOME"); | |
154 | if (e) | |
d3ab7b80 | 155 | stamp_path = strjoin(e, "/systemd/timers/stamp-", UNIT(t)->id); |
06642d17 LP |
156 | else { |
157 | ||
158 | _cleanup_free_ char *h = NULL; | |
159 | ||
160 | r = get_home_dir(&h); | |
23bbb0de | 161 | if (r < 0) |
f2341e0a | 162 | return log_unit_error_errno(UNIT(t), r, "Failed to determine home directory: %m"); |
06642d17 | 163 | |
d3ab7b80 | 164 | stamp_path = strjoin(h, "/.local/share/systemd/timers/stamp-", UNIT(t)->id); |
06642d17 LP |
165 | } |
166 | } | |
167 | ||
d3ab7b80 | 168 | if (!stamp_path) |
06642d17 LP |
169 | return log_oom(); |
170 | ||
d3ab7b80 | 171 | return free_and_replace(t->stamp_path, stamp_path); |
06642d17 LP |
172 | } |
173 | ||
acf24a1a KG |
174 | static uint64_t timer_get_fixed_delay_hash(Timer *t) { |
175 | static const uint8_t hash_key[] = { | |
176 | 0x51, 0x0a, 0xdb, 0x76, 0x29, 0x51, 0x42, 0xc2, | |
177 | 0x80, 0x35, 0xea, 0xe6, 0x8e, 0x3a, 0x37, 0xbd | |
178 | }; | |
179 | ||
180 | struct siphash state; | |
181 | sd_id128_t machine_id; | |
182 | uid_t uid; | |
183 | int r; | |
184 | ||
185 | assert(t); | |
186 | ||
187 | uid = getuid(); | |
188 | r = sd_id128_get_machine(&machine_id); | |
189 | if (r < 0) { | |
190 | log_unit_debug_errno(UNIT(t), r, | |
191 | "Failed to get machine ID for the fixed delay calculation, proceeding with 0: %m"); | |
192 | machine_id = SD_ID128_NULL; | |
193 | } | |
194 | ||
195 | siphash24_init(&state, hash_key); | |
196 | siphash24_compress(&machine_id, sizeof(sd_id128_t), &state); | |
197 | siphash24_compress_boolean(MANAGER_IS_SYSTEM(UNIT(t)->manager), &state); | |
198 | siphash24_compress(&uid, sizeof(uid_t), &state); | |
199 | siphash24_compress_string(UNIT(t)->id, &state); | |
200 | ||
201 | return siphash24_finalize(&state); | |
202 | } | |
203 | ||
871d7de4 LP |
204 | static int timer_load(Unit *u) { |
205 | Timer *t = TIMER(u); | |
206 | int r; | |
207 | ||
208 | assert(u); | |
ac155bb8 | 209 | assert(u->load_state == UNIT_STUB); |
871d7de4 | 210 | |
c3620770 | 211 | r = unit_load_fragment_and_dropin(u, true); |
36697dc0 | 212 | if (r < 0) |
871d7de4 LP |
213 | return r; |
214 | ||
75193d41 ZJS |
215 | if (u->load_state != UNIT_LOADED) |
216 | return 0; | |
871d7de4 | 217 | |
75193d41 ZJS |
218 | /* This is a new unit? Then let's add in some extras */ |
219 | r = timer_add_trigger_dependencies(t); | |
220 | if (r < 0) | |
221 | return r; | |
57020a3a | 222 | |
75193d41 ZJS |
223 | r = timer_setup_persistent(t); |
224 | if (r < 0) | |
225 | return r; | |
06642d17 | 226 | |
75193d41 ZJS |
227 | r = timer_add_default_dependencies(t); |
228 | if (r < 0) | |
229 | return r; | |
871d7de4 LP |
230 | |
231 | return timer_verify(t); | |
232 | } | |
233 | ||
234 | static void timer_dump(Unit *u, FILE *f, const char *prefix) { | |
235 | Timer *t = TIMER(u); | |
3ecaa09b | 236 | Unit *trigger; |
034c6ed7 | 237 | |
3ecaa09b LP |
238 | trigger = UNIT_TRIGGER(u); |
239 | ||
871d7de4 LP |
240 | fprintf(f, |
241 | "%sTimer State: %s\n" | |
067d72c9 | 242 | "%sResult: %s\n" |
9f5eb56a | 243 | "%sUnit: %s\n" |
dedabea4 LP |
244 | "%sPersistent: %s\n" |
245 | "%sWakeSystem: %s\n" | |
3e0c30ac | 246 | "%sAccuracy: %s\n" |
efebb613 | 247 | "%sRemainAfterElapse: %s\n" |
acf24a1a | 248 | "%sFixedRandomDelay: %s\n" |
efebb613 | 249 | "%sOnClockChange: %s\n" |
0810e396 | 250 | "%sOnTimeZoneChange: %s\n", |
871d7de4 | 251 | prefix, timer_state_to_string(t->state), |
067d72c9 | 252 | prefix, timer_result_to_string(t->result), |
9f5eb56a | 253 | prefix, trigger ? trigger->id : "n/a", |
dedabea4 LP |
254 | prefix, yes_no(t->persistent), |
255 | prefix, yes_no(t->wake_system), | |
5291f26d | 256 | prefix, FORMAT_TIMESPAN(t->accuracy_usec, 1), |
efebb613 | 257 | prefix, yes_no(t->remain_after_elapse), |
acf24a1a | 258 | prefix, yes_no(t->fixed_random_delay), |
efebb613 LP |
259 | prefix, yes_no(t->on_clock_change), |
260 | prefix, yes_no(t->on_timezone_change)); | |
871d7de4 | 261 | |
2762ce2d | 262 | LIST_FOREACH(value, v, t->values) |
36697dc0 LP |
263 | if (v->base == TIMER_CALENDAR) { |
264 | _cleanup_free_ char *p = NULL; | |
265 | ||
25cb94d4 | 266 | (void) calendar_spec_to_string(v->calendar_spec, &p); |
36697dc0 LP |
267 | |
268 | fprintf(f, | |
269 | "%s%s: %s\n", | |
270 | prefix, | |
271 | timer_base_to_string(v->base), | |
272 | strna(p)); | |
5291f26d | 273 | } else |
36697dc0 LP |
274 | fprintf(f, |
275 | "%s%s: %s\n", | |
276 | prefix, | |
277 | timer_base_to_string(v->base), | |
5291f26d | 278 | FORMAT_TIMESPAN(v->value, 0)); |
871d7de4 LP |
279 | } |
280 | ||
281 | static void timer_set_state(Timer *t, TimerState state) { | |
282 | TimerState old_state; | |
034c6ed7 | 283 | assert(t); |
871d7de4 | 284 | |
6fcbec6f LP |
285 | if (t->state != state) |
286 | bus_unit_send_pending_change_signal(UNIT(t), false); | |
287 | ||
871d7de4 LP |
288 | old_state = t->state; |
289 | t->state = state; | |
290 | ||
36697dc0 | 291 | if (state != TIMER_WAITING) { |
5dcadb4c ZJS |
292 | t->monotonic_event_source = sd_event_source_disable_unref(t->monotonic_event_source); |
293 | t->realtime_event_source = sd_event_source_disable_unref(t->realtime_event_source); | |
6e2c9ce1 ZJS |
294 | t->next_elapse_monotonic_or_boottime = USEC_INFINITY; |
295 | t->next_elapse_realtime = USEC_INFINITY; | |
36697dc0 | 296 | } |
871d7de4 LP |
297 | |
298 | if (state != old_state) | |
f2341e0a | 299 | log_unit_debug(UNIT(t), "Changed %s -> %s", timer_state_to_string(old_state), timer_state_to_string(state)); |
871d7de4 | 300 | |
2ad2e41a | 301 | unit_notify(UNIT(t), state_translation_table[old_state], state_translation_table[state], 0); |
871d7de4 LP |
302 | } |
303 | ||
aa1f95d2 | 304 | static void timer_enter_waiting(Timer *t, bool time_change); |
871d7de4 | 305 | |
be847e82 | 306 | static int timer_coldplug(Unit *u) { |
871d7de4 LP |
307 | Timer *t = TIMER(u); |
308 | ||
309 | assert(t); | |
310 | assert(t->state == TIMER_DEAD); | |
311 | ||
3e0c30ac LP |
312 | if (t->deserialized_state == t->state) |
313 | return 0; | |
871d7de4 | 314 | |
3e0c30ac | 315 | if (t->deserialized_state == TIMER_WAITING) |
aa1f95d2 | 316 | timer_enter_waiting(t, false); |
3e0c30ac LP |
317 | else |
318 | timer_set_state(t, t->deserialized_state); | |
871d7de4 LP |
319 | |
320 | return 0; | |
321 | } | |
322 | ||
067d72c9 | 323 | static void timer_enter_dead(Timer *t, TimerResult f) { |
871d7de4 LP |
324 | assert(t); |
325 | ||
a0fef983 | 326 | if (t->result == TIMER_SUCCESS) |
067d72c9 | 327 | t->result = f; |
871d7de4 | 328 | |
aac99f30 | 329 | unit_log_result(UNIT(t), t->result == TIMER_SUCCESS, timer_result_to_string(t->result)); |
067d72c9 | 330 | timer_set_state(t, t->result != TIMER_SUCCESS ? TIMER_FAILED : TIMER_DEAD); |
871d7de4 LP |
331 | } |
332 | ||
3e0c30ac LP |
333 | static void timer_enter_elapsed(Timer *t, bool leave_around) { |
334 | assert(t); | |
335 | ||
336 | /* If a unit is marked with RemainAfterElapse=yes we leave it | |
337 | * around even after it elapsed once, so that starting it | |
338 | * later again does not necessarily mean immediate | |
339 | * retriggering. We unconditionally leave units with | |
340 | * TIMER_UNIT_ACTIVE or TIMER_UNIT_INACTIVE triggers around, | |
341 | * since they might be restarted automatically at any time | |
342 | * later on. */ | |
343 | ||
344 | if (t->remain_after_elapse || leave_around) | |
345 | timer_set_state(t, TIMER_ELAPSED); | |
346 | else | |
347 | timer_enter_dead(t, TIMER_SUCCESS); | |
348 | } | |
349 | ||
744c7693 | 350 | static void add_random(Timer *t, usec_t *v) { |
744c7693 LP |
351 | usec_t add; |
352 | ||
353 | assert(t); | |
3f51aec8 | 354 | assert(v); |
744c7693 LP |
355 | |
356 | if (t->random_usec == 0) | |
357 | return; | |
358 | if (*v == USEC_INFINITY) | |
359 | return; | |
360 | ||
acf24a1a | 361 | add = (t->fixed_random_delay ? timer_get_fixed_delay_hash(t) : random_u64()) % t->random_usec; |
744c7693 LP |
362 | |
363 | if (*v + add < *v) /* overflow */ | |
364 | *v = (usec_t) -2; /* Highest possible value, that is not USEC_INFINITY */ | |
365 | else | |
366 | *v += add; | |
367 | ||
5291f26d | 368 | log_unit_debug(UNIT(t), "Adding %s random time.", FORMAT_TIMESPAN(add, 0)); |
744c7693 LP |
369 | } |
370 | ||
aa1f95d2 | 371 | static void timer_enter_waiting(Timer *t, bool time_change) { |
36697dc0 | 372 | bool found_monotonic = false, found_realtime = false; |
3e0c30ac | 373 | bool leave_around = false; |
c54be90b | 374 | triple_timestamp ts; |
e903182e | 375 | Unit *trigger; |
871d7de4 LP |
376 | int r; |
377 | ||
e903182e LP |
378 | assert(t); |
379 | ||
380 | trigger = UNIT_TRIGGER(UNIT(t)); | |
381 | if (!trigger) { | |
382 | log_unit_error(UNIT(t), "Unit to trigger vanished."); | |
383 | timer_enter_dead(t, TIMER_FAILURE_RESOURCES); | |
384 | return; | |
385 | } | |
386 | ||
c54be90b | 387 | triple_timestamp_get(&ts); |
dedabea4 | 388 | t->next_elapse_monotonic_or_boottime = t->next_elapse_realtime = 0; |
871d7de4 LP |
389 | |
390 | LIST_FOREACH(value, v, t->values) { | |
871d7de4 LP |
391 | if (v->disabled) |
392 | continue; | |
393 | ||
36697dc0 | 394 | if (v->base == TIMER_CALENDAR) { |
58afc4f8 | 395 | usec_t b, rebased; |
06642d17 | 396 | |
0bf1d0ff LB |
397 | /* If we know the last time this was |
398 | * triggered, schedule the job based relative | |
399 | * to that. If we don't, just start from | |
400 | * the activation time. */ | |
401 | ||
e21f75af | 402 | if (dual_timestamp_is_set(&t->last_trigger)) |
9ea9faff | 403 | b = t->last_trigger.realtime; |
6546045f DDM |
404 | else if (dual_timestamp_is_set(&UNIT(t)->inactive_exit_timestamp)) |
405 | b = UNIT(t)->inactive_exit_timestamp.realtime; | |
406 | else | |
407 | b = ts.realtime; | |
06642d17 LP |
408 | |
409 | r = calendar_spec_next_usec(v->calendar_spec, b, &v->next_elapse); | |
36697dc0 LP |
410 | if (r < 0) |
411 | continue; | |
412 | ||
58afc4f8 LP |
413 | /* To make the delay due to RandomizedDelaySec= work even at boot, if the scheduled |
414 | * time has already passed, set the time when systemd first started as the scheduled | |
415 | * time. Note that we base this on the monotonic timestamp of the boot, not the | |
416 | * realtime one, since the wallclock might have been off during boot. */ | |
417 | rebased = map_clock_usec(UNIT(t)->manager->timestamps[MANAGER_TIMESTAMP_USERSPACE].monotonic, | |
418 | CLOCK_MONOTONIC, CLOCK_REALTIME); | |
419 | if (v->next_elapse < rebased) | |
420 | v->next_elapse = rebased; | |
a87c1d3a | 421 | |
36697dc0 LP |
422 | if (!found_realtime) |
423 | t->next_elapse_realtime = v->next_elapse; | |
10717a1a | 424 | else |
36697dc0 | 425 | t->next_elapse_realtime = MIN(t->next_elapse_realtime, v->next_elapse); |
871d7de4 | 426 | |
36697dc0 | 427 | found_realtime = true; |
871d7de4 | 428 | |
60933bb8 AJ |
429 | } else { |
430 | usec_t base; | |
c54be90b | 431 | |
36697dc0 | 432 | switch (v->base) { |
871d7de4 | 433 | |
36697dc0 LP |
434 | case TIMER_ACTIVE: |
435 | if (state_translation_table[t->state] == UNIT_ACTIVE) | |
436 | base = UNIT(t)->inactive_exit_timestamp.monotonic; | |
437 | else | |
c54be90b | 438 | base = ts.monotonic; |
36697dc0 | 439 | break; |
871d7de4 | 440 | |
36697dc0 | 441 | case TIMER_BOOT: |
c1d9ba99 MS |
442 | if (detect_container() <= 0) { |
443 | /* CLOCK_MONOTONIC equals the uptime on Linux */ | |
444 | base = 0; | |
445 | break; | |
446 | } | |
447 | /* In a container we don't want to include the time the host | |
448 | * was already up when the container started, so count from | |
ec251fe7 | 449 | * our own startup. */ |
4831981d | 450 | _fallthrough_; |
36697dc0 | 451 | case TIMER_STARTUP: |
9f9f0342 | 452 | base = UNIT(t)->manager->timestamps[MANAGER_TIMESTAMP_USERSPACE].monotonic; |
36697dc0 | 453 | break; |
871d7de4 | 454 | |
36697dc0 | 455 | case TIMER_UNIT_ACTIVE: |
3e0c30ac | 456 | leave_around = true; |
525b95f1 | 457 | base = MAX(trigger->inactive_exit_timestamp.monotonic, t->last_trigger.monotonic); |
e41e1943 | 458 | if (base <= 0) |
36697dc0 | 459 | continue; |
36697dc0 | 460 | break; |
871d7de4 | 461 | |
36697dc0 | 462 | case TIMER_UNIT_INACTIVE: |
3e0c30ac | 463 | leave_around = true; |
525b95f1 | 464 | base = MAX(trigger->inactive_enter_timestamp.monotonic, t->last_trigger.monotonic); |
e41e1943 | 465 | if (base <= 0) |
36697dc0 | 466 | continue; |
36697dc0 | 467 | break; |
871d7de4 | 468 | |
36697dc0 | 469 | default: |
04499a70 | 470 | assert_not_reached(); |
36697dc0 | 471 | } |
871d7de4 | 472 | |
c54be90b | 473 | v->next_elapse = usec_add(usec_shift_clock(base, CLOCK_MONOTONIC, TIMER_MONOTONIC_CLOCK(t)), v->value); |
36697dc0 | 474 | |
aa1f95d2 MK |
475 | if (dual_timestamp_is_set(&t->last_trigger) && |
476 | !time_change && | |
c54be90b LP |
477 | v->next_elapse < triple_timestamp_by_clock(&ts, TIMER_MONOTONIC_CLOCK(t)) && |
478 | IN_SET(v->base, TIMER_ACTIVE, TIMER_BOOT, TIMER_STARTUP)) { | |
e41e1943 | 479 | /* This is a one time trigger, disable it now */ |
36697dc0 LP |
480 | v->disabled = true; |
481 | continue; | |
482 | } | |
483 | ||
484 | if (!found_monotonic) | |
dedabea4 | 485 | t->next_elapse_monotonic_or_boottime = v->next_elapse; |
36697dc0 | 486 | else |
dedabea4 | 487 | t->next_elapse_monotonic_or_boottime = MIN(t->next_elapse_monotonic_or_boottime, v->next_elapse); |
36697dc0 LP |
488 | |
489 | found_monotonic = true; | |
490 | } | |
871d7de4 LP |
491 | } |
492 | ||
efebb613 | 493 | if (!found_monotonic && !found_realtime && !t->on_timezone_change && !t->on_clock_change) { |
f2341e0a | 494 | log_unit_debug(UNIT(t), "Timer is elapsed."); |
3e0c30ac | 495 | timer_enter_elapsed(t, leave_around); |
871d7de4 LP |
496 | return; |
497 | } | |
498 | ||
36697dc0 | 499 | if (found_monotonic) { |
3e0c30ac | 500 | usec_t left; |
dedabea4 | 501 | |
744c7693 LP |
502 | add_random(t, &t->next_elapse_monotonic_or_boottime); |
503 | ||
c54be90b | 504 | left = usec_sub_unsigned(t->next_elapse_monotonic_or_boottime, triple_timestamp_by_clock(&ts, TIMER_MONOTONIC_CLOCK(t))); |
5291f26d | 505 | log_unit_debug(UNIT(t), "Monotonic timer elapses in %s.", FORMAT_TIMESPAN(left, 0)); |
871d7de4 | 506 | |
718db961 | 507 | if (t->monotonic_event_source) { |
dedabea4 | 508 | r = sd_event_source_set_time(t->monotonic_event_source, t->next_elapse_monotonic_or_boottime); |
718db961 LP |
509 | if (r < 0) |
510 | goto fail; | |
511 | ||
512 | r = sd_event_source_set_enabled(t->monotonic_event_source, SD_EVENT_ONESHOT); | |
cbf60d0a LP |
513 | if (r < 0) |
514 | goto fail; | |
515 | } else { | |
516 | ||
6a0f1f6d LP |
517 | r = sd_event_add_time( |
518 | UNIT(t)->manager->event, | |
519 | &t->monotonic_event_source, | |
dedabea4 LP |
520 | t->wake_system ? CLOCK_BOOTTIME_ALARM : CLOCK_MONOTONIC, |
521 | t->next_elapse_monotonic_or_boottime, t->accuracy_usec, | |
6a0f1f6d | 522 | timer_dispatch, t); |
cbf60d0a LP |
523 | if (r < 0) |
524 | goto fail; | |
718db961 | 525 | |
cbf60d0a LP |
526 | (void) sd_event_source_set_description(t->monotonic_event_source, "timer-monotonic"); |
527 | } | |
7dfbe2e3 | 528 | |
718db961 | 529 | } else if (t->monotonic_event_source) { |
718db961 | 530 | |
06642d17 | 531 | r = sd_event_source_set_enabled(t->monotonic_event_source, SD_EVENT_OFF); |
718db961 LP |
532 | if (r < 0) |
533 | goto fail; | |
534 | } | |
36697dc0 LP |
535 | |
536 | if (found_realtime) { | |
744c7693 LP |
537 | add_random(t, &t->next_elapse_realtime); |
538 | ||
04f5c018 | 539 | log_unit_debug(UNIT(t), "Realtime timer elapses at %s.", FORMAT_TIMESTAMP(t->next_elapse_realtime)); |
36697dc0 | 540 | |
718db961 LP |
541 | if (t->realtime_event_source) { |
542 | r = sd_event_source_set_time(t->realtime_event_source, t->next_elapse_realtime); | |
543 | if (r < 0) | |
544 | goto fail; | |
545 | ||
546 | r = sd_event_source_set_enabled(t->realtime_event_source, SD_EVENT_ONESHOT); | |
cbf60d0a LP |
547 | if (r < 0) |
548 | goto fail; | |
549 | } else { | |
6a0f1f6d LP |
550 | r = sd_event_add_time( |
551 | UNIT(t)->manager->event, | |
552 | &t->realtime_event_source, | |
dedabea4 | 553 | t->wake_system ? CLOCK_REALTIME_ALARM : CLOCK_REALTIME, |
6a0f1f6d LP |
554 | t->next_elapse_realtime, t->accuracy_usec, |
555 | timer_dispatch, t); | |
cbf60d0a LP |
556 | if (r < 0) |
557 | goto fail; | |
718db961 | 558 | |
cbf60d0a LP |
559 | (void) sd_event_source_set_description(t->realtime_event_source, "timer-realtime"); |
560 | } | |
7dfbe2e3 | 561 | |
718db961 | 562 | } else if (t->realtime_event_source) { |
718db961 | 563 | |
06642d17 | 564 | r = sd_event_source_set_enabled(t->realtime_event_source, SD_EVENT_OFF); |
718db961 LP |
565 | if (r < 0) |
566 | goto fail; | |
567 | } | |
871d7de4 LP |
568 | |
569 | timer_set_state(t, TIMER_WAITING); | |
570 | return; | |
571 | ||
572 | fail: | |
f2341e0a | 573 | log_unit_warning_errno(UNIT(t), r, "Failed to enter waiting state: %m"); |
067d72c9 | 574 | timer_enter_dead(t, TIMER_FAILURE_RESOURCES); |
871d7de4 LP |
575 | } |
576 | ||
577 | static void timer_enter_running(Timer *t) { | |
c8bc7519 | 578 | _cleanup_(activation_details_unrefp) ActivationDetails *details = NULL; |
4afd3348 | 579 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
e903182e | 580 | Unit *trigger; |
c8bc7519 | 581 | Job *job; |
871d7de4 | 582 | int r; |
398ef8ba | 583 | |
871d7de4 LP |
584 | assert(t); |
585 | ||
ba3e67a7 | 586 | /* Don't start job if we are supposed to go down */ |
31afa0a4 | 587 | if (unit_stop_pending(UNIT(t))) |
ba3e67a7 LP |
588 | return; |
589 | ||
e903182e LP |
590 | trigger = UNIT_TRIGGER(UNIT(t)); |
591 | if (!trigger) { | |
592 | log_unit_error(UNIT(t), "Unit to trigger vanished."); | |
593 | timer_enter_dead(t, TIMER_FAILURE_RESOURCES); | |
594 | return; | |
595 | } | |
596 | ||
c8bc7519 LB |
597 | details = activation_details_new(UNIT(t)); |
598 | if (!details) { | |
599 | r = -ENOMEM; | |
600 | goto fail; | |
601 | } | |
602 | ||
603 | r = manager_add_job(UNIT(t)->manager, JOB_START, trigger, JOB_REPLACE, NULL, &error, &job); | |
36697dc0 | 604 | if (r < 0) |
871d7de4 LP |
605 | goto fail; |
606 | ||
06642d17 | 607 | dual_timestamp_get(&t->last_trigger); |
c8bc7519 LB |
608 | ACTIVATION_DETAILS_TIMER(details)->last_trigger = t->last_trigger; |
609 | ||
610 | job_set_activation_details(job, details); | |
06642d17 | 611 | |
472fc28f | 612 | if (t->stamp_path) |
ee735086 | 613 | touch_file(t->stamp_path, true, t->last_trigger.realtime, UID_INVALID, GID_INVALID, MODE_INVALID); |
e41e1943 | 614 | |
871d7de4 LP |
615 | timer_set_state(t, TIMER_RUNNING); |
616 | return; | |
617 | ||
618 | fail: | |
f2341e0a | 619 | log_unit_warning(UNIT(t), "Failed to queue unit startup job: %s", bus_error_message(&error, r)); |
067d72c9 | 620 | timer_enter_dead(t, TIMER_FAILURE_RESOURCES); |
871d7de4 LP |
621 | } |
622 | ||
623 | static int timer_start(Unit *u) { | |
624 | Timer *t = TIMER(u); | |
07299350 | 625 | int r; |
871d7de4 LP |
626 | |
627 | assert(t); | |
3742095b | 628 | assert(IN_SET(t->state, TIMER_DEAD, TIMER_FAILED)); |
01f78473 | 629 | |
a4191c9f LP |
630 | r = unit_test_trigger_loaded(u); |
631 | if (r < 0) | |
632 | return r; | |
871d7de4 | 633 | |
4b58153d LP |
634 | r = unit_acquire_invocation_id(u); |
635 | if (r < 0) | |
636 | return r; | |
637 | ||
06642d17 LP |
638 | t->last_trigger = DUAL_TIMESTAMP_NULL; |
639 | ||
779042e7 MC |
640 | /* Reenable all timers that depend on unit activation time */ |
641 | LIST_FOREACH(value, v, t->values) | |
642 | if (v->base == TIMER_ACTIVE) | |
643 | v->disabled = false; | |
644 | ||
06642d17 LP |
645 | if (t->stamp_path) { |
646 | struct stat st; | |
647 | ||
77542a79 LP |
648 | if (stat(t->stamp_path, &st) >= 0) { |
649 | usec_t ft; | |
650 | ||
651 | /* Load the file timestamp, but only if it is actually in the past. If it is in the future, | |
652 | * something is wrong with the system clock. */ | |
653 | ||
654 | ft = timespec_load(&st.st_mtim); | |
655 | if (ft < now(CLOCK_REALTIME)) | |
656 | t->last_trigger.realtime = ft; | |
04f5c018 | 657 | else |
77542a79 | 658 | log_unit_warning(u, "Not using persistent file timestamp %s as it is in the future.", |
04f5c018 | 659 | FORMAT_TIMESTAMP(ft)); |
77542a79 LP |
660 | |
661 | } else if (errno == ENOENT) | |
2762ce2d | 662 | /* The timer has never run before, make sure a stamp file exists. */ |
4b58153d | 663 | (void) touch_file(t->stamp_path, true, USEC_INFINITY, UID_INVALID, GID_INVALID, MODE_INVALID); |
06642d17 LP |
664 | } |
665 | ||
067d72c9 | 666 | t->result = TIMER_SUCCESS; |
aa1f95d2 | 667 | timer_enter_waiting(t, false); |
82a2b6bb | 668 | return 1; |
871d7de4 LP |
669 | } |
670 | ||
671 | static int timer_stop(Unit *u) { | |
672 | Timer *t = TIMER(u); | |
673 | ||
674 | assert(t); | |
3742095b | 675 | assert(IN_SET(t->state, TIMER_WAITING, TIMER_RUNNING, TIMER_ELAPSED)); |
871d7de4 | 676 | |
067d72c9 | 677 | timer_enter_dead(t, TIMER_SUCCESS); |
82a2b6bb | 678 | return 1; |
871d7de4 LP |
679 | } |
680 | ||
681 | static int timer_serialize(Unit *u, FILE *f, FDSet *fds) { | |
682 | Timer *t = TIMER(u); | |
683 | ||
684 | assert(u); | |
685 | assert(f); | |
686 | assert(fds); | |
687 | ||
d68c645b LP |
688 | (void) serialize_item(f, "state", timer_state_to_string(t->state)); |
689 | (void) serialize_item(f, "result", timer_result_to_string(t->result)); | |
871d7de4 | 690 | |
06642d17 | 691 | if (t->last_trigger.realtime > 0) |
d68c645b | 692 | (void) serialize_usec(f, "last-trigger-realtime", t->last_trigger.realtime); |
06642d17 LP |
693 | |
694 | if (t->last_trigger.monotonic > 0) | |
d68c645b | 695 | (void) serialize_usec(f, "last-trigger-monotonic", t->last_trigger.monotonic); |
06642d17 | 696 | |
871d7de4 LP |
697 | return 0; |
698 | } | |
699 | ||
700 | static int timer_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) { | |
701 | Timer *t = TIMER(u); | |
702 | ||
703 | assert(u); | |
704 | assert(key); | |
705 | assert(value); | |
706 | assert(fds); | |
707 | ||
708 | if (streq(key, "state")) { | |
709 | TimerState state; | |
710 | ||
36697dc0 LP |
711 | state = timer_state_from_string(value); |
712 | if (state < 0) | |
f2341e0a | 713 | log_unit_debug(u, "Failed to parse state value: %s", value); |
871d7de4 LP |
714 | else |
715 | t->deserialized_state = state; | |
d68c645b | 716 | |
067d72c9 LP |
717 | } else if (streq(key, "result")) { |
718 | TimerResult f; | |
719 | ||
720 | f = timer_result_from_string(value); | |
721 | if (f < 0) | |
f2341e0a | 722 | log_unit_debug(u, "Failed to parse result value: %s", value); |
067d72c9 LP |
723 | else if (f != TIMER_SUCCESS) |
724 | t->result = f; | |
06642d17 | 725 | |
d68c645b LP |
726 | } else if (streq(key, "last-trigger-realtime")) |
727 | (void) deserialize_usec(value, &t->last_trigger.realtime); | |
728 | else if (streq(key, "last-trigger-monotonic")) | |
729 | (void) deserialize_usec(value, &t->last_trigger.monotonic); | |
730 | else | |
f2341e0a | 731 | log_unit_debug(u, "Unknown serialization key: %s", key); |
871d7de4 LP |
732 | |
733 | return 0; | |
034c6ed7 LP |
734 | } |
735 | ||
44a6b1b6 | 736 | _pure_ static UnitActiveState timer_active_state(Unit *u) { |
871d7de4 LP |
737 | assert(u); |
738 | ||
739 | return state_translation_table[TIMER(u)->state]; | |
740 | } | |
741 | ||
44a6b1b6 | 742 | _pure_ static const char *timer_sub_state_to_string(Unit *u) { |
871d7de4 LP |
743 | assert(u); |
744 | ||
745 | return timer_state_to_string(TIMER(u)->state); | |
746 | } | |
747 | ||
718db961 LP |
748 | static int timer_dispatch(sd_event_source *s, uint64_t usec, void *userdata) { |
749 | Timer *t = TIMER(userdata); | |
871d7de4 LP |
750 | |
751 | assert(t); | |
5cb5a6ff | 752 | |
871d7de4 | 753 | if (t->state != TIMER_WAITING) |
718db961 | 754 | return 0; |
5cb5a6ff | 755 | |
f2341e0a | 756 | log_unit_debug(UNIT(t), "Timer elapsed."); |
871d7de4 | 757 | timer_enter_running(t); |
718db961 | 758 | return 0; |
5cb5a6ff LP |
759 | } |
760 | ||
3ecaa09b LP |
761 | static void timer_trigger_notify(Unit *u, Unit *other) { |
762 | Timer *t = TIMER(u); | |
871d7de4 | 763 | |
3ecaa09b LP |
764 | assert(u); |
765 | assert(other); | |
871d7de4 | 766 | |
0377cd29 LP |
767 | /* Filter out invocations with bogus state */ |
768 | assert(UNIT_IS_LOAD_COMPLETE(other->load_state)); | |
871d7de4 | 769 | |
3ecaa09b LP |
770 | /* Reenable all timers that depend on unit state */ |
771 | LIST_FOREACH(value, v, t->values) | |
3742095b | 772 | if (IN_SET(v->base, TIMER_UNIT_ACTIVE, TIMER_UNIT_INACTIVE)) |
3ecaa09b | 773 | v->disabled = false; |
01f78473 | 774 | |
3ecaa09b | 775 | switch (t->state) { |
871d7de4 | 776 | |
3ecaa09b LP |
777 | case TIMER_WAITING: |
778 | case TIMER_ELAPSED: | |
871d7de4 | 779 | |
3ecaa09b | 780 | /* Recalculate sleep time */ |
aa1f95d2 | 781 | timer_enter_waiting(t, false); |
3ecaa09b | 782 | break; |
871d7de4 | 783 | |
3ecaa09b | 784 | case TIMER_RUNNING: |
871d7de4 | 785 | |
3ecaa09b | 786 | if (UNIT_IS_INACTIVE_OR_FAILED(unit_active_state(other))) { |
f2341e0a | 787 | log_unit_debug(UNIT(t), "Got notified about unit deactivation."); |
aa1f95d2 | 788 | timer_enter_waiting(t, false); |
3ecaa09b LP |
789 | } |
790 | break; | |
871d7de4 | 791 | |
3ecaa09b LP |
792 | case TIMER_DEAD: |
793 | case TIMER_FAILED: | |
794 | break; | |
871d7de4 | 795 | |
3ecaa09b | 796 | default: |
04499a70 | 797 | assert_not_reached(); |
871d7de4 | 798 | } |
871d7de4 LP |
799 | } |
800 | ||
fdf20a31 | 801 | static void timer_reset_failed(Unit *u) { |
5632e374 LP |
802 | Timer *t = TIMER(u); |
803 | ||
804 | assert(t); | |
805 | ||
fdf20a31 | 806 | if (t->state == TIMER_FAILED) |
5632e374 LP |
807 | timer_set_state(t, TIMER_DEAD); |
808 | ||
067d72c9 | 809 | t->result = TIMER_SUCCESS; |
5632e374 LP |
810 | } |
811 | ||
8742514c LP |
812 | static void timer_time_change(Unit *u) { |
813 | Timer *t = TIMER(u); | |
13f512d3 | 814 | usec_t ts; |
8742514c LP |
815 | |
816 | assert(u); | |
817 | ||
818 | if (t->state != TIMER_WAITING) | |
819 | return; | |
820 | ||
13f512d3 AJ |
821 | /* If we appear to have triggered in the future, the system clock must |
822 | * have been set backwards. So let's rewind our own clock and allow | |
0923b425 | 823 | * the future triggers to happen again :). Exactly the same as when |
13f512d3 AJ |
824 | * you start a timer unit with Persistent=yes. */ |
825 | ts = now(CLOCK_REALTIME); | |
826 | if (t->last_trigger.realtime > ts) | |
827 | t->last_trigger.realtime = ts; | |
828 | ||
efebb613 LP |
829 | if (t->on_clock_change) { |
830 | log_unit_debug(u, "Time change, triggering activation."); | |
831 | timer_enter_running(t); | |
832 | } else { | |
833 | log_unit_debug(u, "Time change, recalculating next elapse."); | |
834 | timer_enter_waiting(t, true); | |
835 | } | |
8742514c LP |
836 | } |
837 | ||
bbf5fd8e LP |
838 | static void timer_timezone_change(Unit *u) { |
839 | Timer *t = TIMER(u); | |
840 | ||
841 | assert(u); | |
842 | ||
843 | if (t->state != TIMER_WAITING) | |
844 | return; | |
845 | ||
efebb613 LP |
846 | if (t->on_timezone_change) { |
847 | log_unit_debug(u, "Timezone change, triggering activation."); | |
848 | timer_enter_running(t); | |
849 | } else { | |
850 | log_unit_debug(u, "Timezone change, recalculating next elapse."); | |
851 | timer_enter_waiting(t, false); | |
852 | } | |
bbf5fd8e LP |
853 | } |
854 | ||
89f6fe7b LP |
855 | static int timer_clean(Unit *u, ExecCleanMask mask) { |
856 | Timer *t = TIMER(u); | |
857 | int r; | |
858 | ||
859 | assert(t); | |
860 | assert(mask != 0); | |
861 | ||
862 | if (t->state != TIMER_DEAD) | |
863 | return -EBUSY; | |
864 | ||
4f06325c | 865 | if (mask != EXEC_CLEAN_STATE) |
89f6fe7b LP |
866 | return -EUNATCH; |
867 | ||
868 | r = timer_setup_persistent(t); | |
869 | if (r < 0) | |
870 | return r; | |
871 | ||
872 | if (!t->stamp_path) | |
873 | return -EUNATCH; | |
874 | ||
875 | if (unlink(t->stamp_path) && errno != ENOENT) | |
876 | return log_unit_error_errno(u, errno, "Failed to clean stamp file of timer: %m"); | |
877 | ||
878 | return 0; | |
879 | } | |
880 | ||
881 | static int timer_can_clean(Unit *u, ExecCleanMask *ret) { | |
882 | Timer *t = TIMER(u); | |
883 | ||
884 | assert(t); | |
4fb8f1e8 | 885 | assert(ret); |
89f6fe7b LP |
886 | |
887 | *ret = t->persistent ? EXEC_CLEAN_STATE : 0; | |
888 | return 0; | |
889 | } | |
890 | ||
705578c3 | 891 | static int timer_can_start(Unit *u) { |
9727f242 DDM |
892 | Timer *t = TIMER(u); |
893 | int r; | |
894 | ||
895 | assert(t); | |
896 | ||
897 | r = unit_test_start_limit(u); | |
898 | if (r < 0) { | |
899 | timer_enter_dead(t, TIMER_FAILURE_START_LIMIT_HIT); | |
900 | return r; | |
901 | } | |
902 | ||
705578c3 | 903 | return 1; |
9727f242 DDM |
904 | } |
905 | ||
c8bc7519 LB |
906 | static void activation_details_timer_serialize(ActivationDetails *details, FILE *f) { |
907 | ActivationDetailsTimer *t = ACTIVATION_DETAILS_TIMER(details); | |
908 | ||
909 | assert(details); | |
910 | assert(f); | |
911 | assert(t); | |
912 | ||
913 | (void) serialize_dual_timestamp(f, "activation-details-timer-last-trigger", &t->last_trigger); | |
914 | } | |
915 | ||
916 | static int activation_details_timer_deserialize(const char *key, const char *value, ActivationDetails **details) { | |
917 | int r; | |
918 | ||
919 | assert(key); | |
920 | assert(value); | |
921 | ||
922 | if (!details || !*details) | |
923 | return -EINVAL; | |
924 | ||
925 | ActivationDetailsTimer *t = ACTIVATION_DETAILS_TIMER(*details); | |
926 | if (!t) | |
927 | return -EINVAL; | |
928 | ||
929 | if (!streq(key, "activation-details-timer-last-trigger")) | |
930 | return -EINVAL; | |
931 | ||
932 | r = deserialize_dual_timestamp(value, &t->last_trigger); | |
933 | if (r < 0) | |
934 | return r; | |
935 | ||
936 | return 0; | |
937 | } | |
938 | ||
939 | static int activation_details_timer_append_env(ActivationDetails *details, char ***strv) { | |
940 | ActivationDetailsTimer *t = ACTIVATION_DETAILS_TIMER(details); | |
941 | int r; | |
942 | ||
943 | assert(details); | |
944 | assert(strv); | |
945 | assert(t); | |
946 | ||
947 | if (!dual_timestamp_is_set(&t->last_trigger)) | |
948 | return 0; | |
949 | ||
6457ce15 | 950 | r = strv_extendf(strv, "TRIGGER_TIMER_REALTIME_USEC=" USEC_FMT, t->last_trigger.realtime); |
c8bc7519 LB |
951 | if (r < 0) |
952 | return r; | |
953 | ||
6457ce15 | 954 | r = strv_extendf(strv, "TRIGGER_TIMER_MONOTONIC_USEC=" USEC_FMT, t->last_trigger.monotonic); |
c8bc7519 LB |
955 | if (r < 0) |
956 | return r; | |
957 | ||
958 | return 2; /* Return the number of variables added to the env block */ | |
959 | } | |
960 | ||
961 | static int activation_details_timer_append_pair(ActivationDetails *details, char ***strv) { | |
962 | ActivationDetailsTimer *t = ACTIVATION_DETAILS_TIMER(details); | |
963 | int r; | |
964 | ||
965 | assert(details); | |
966 | assert(strv); | |
967 | assert(t); | |
968 | ||
969 | if (!dual_timestamp_is_set(&t->last_trigger)) | |
970 | return 0; | |
971 | ||
972 | r = strv_extend(strv, "trigger_timer_realtime_usec"); | |
973 | if (r < 0) | |
974 | return r; | |
975 | ||
6457ce15 | 976 | r = strv_extendf(strv, USEC_FMT, t->last_trigger.realtime); |
c8bc7519 LB |
977 | if (r < 0) |
978 | return r; | |
979 | ||
980 | r = strv_extend(strv, "trigger_timer_monotonic_usec"); | |
981 | if (r < 0) | |
982 | return r; | |
983 | ||
6457ce15 | 984 | r = strv_extendf(strv, USEC_FMT, t->last_trigger.monotonic); |
c8bc7519 LB |
985 | if (r < 0) |
986 | return r; | |
987 | ||
988 | return 2; /* Return the number of pairs added to the env block */ | |
989 | } | |
990 | ||
871d7de4 | 991 | static const char* const timer_base_table[_TIMER_BASE_MAX] = { |
48d83e33 ZJS |
992 | [TIMER_ACTIVE] = "OnActiveSec", |
993 | [TIMER_BOOT] = "OnBootSec", | |
994 | [TIMER_STARTUP] = "OnStartupSec", | |
995 | [TIMER_UNIT_ACTIVE] = "OnUnitActiveSec", | |
36697dc0 | 996 | [TIMER_UNIT_INACTIVE] = "OnUnitInactiveSec", |
48d83e33 | 997 | [TIMER_CALENDAR] = "OnCalendar" |
871d7de4 LP |
998 | }; |
999 | ||
1000 | DEFINE_STRING_TABLE_LOOKUP(timer_base, TimerBase); | |
1001 | ||
067d72c9 | 1002 | static const char* const timer_result_table[_TIMER_RESULT_MAX] = { |
40f41f34 DDM |
1003 | [TIMER_SUCCESS] = "success", |
1004 | [TIMER_FAILURE_RESOURCES] = "resources", | |
1005 | [TIMER_FAILURE_START_LIMIT_HIT] = "start-limit-hit", | |
067d72c9 LP |
1006 | }; |
1007 | ||
1008 | DEFINE_STRING_TABLE_LOOKUP(timer_result, TimerResult); | |
1009 | ||
87f0e418 | 1010 | const UnitVTable timer_vtable = { |
7d17cfbc | 1011 | .object_size = sizeof(Timer), |
718db961 | 1012 | |
f975e971 LP |
1013 | .sections = |
1014 | "Unit\0" | |
1015 | "Timer\0" | |
1016 | "Install\0", | |
d8a812d1 | 1017 | .private_section = "Timer", |
5cb5a6ff | 1018 | |
c80a9a33 LP |
1019 | .can_transient = true, |
1020 | .can_fail = true, | |
1021 | .can_trigger = true, | |
1022 | ||
871d7de4 | 1023 | .init = timer_init, |
034c6ed7 | 1024 | .done = timer_done, |
871d7de4 LP |
1025 | .load = timer_load, |
1026 | ||
1027 | .coldplug = timer_coldplug, | |
1028 | ||
1029 | .dump = timer_dump, | |
1030 | ||
1031 | .start = timer_start, | |
1032 | .stop = timer_stop, | |
1033 | ||
89f6fe7b LP |
1034 | .clean = timer_clean, |
1035 | .can_clean = timer_can_clean, | |
1036 | ||
871d7de4 LP |
1037 | .serialize = timer_serialize, |
1038 | .deserialize_item = timer_deserialize_item, | |
1039 | ||
1040 | .active_state = timer_active_state, | |
1041 | .sub_state_to_string = timer_sub_state_to_string, | |
1042 | ||
3ecaa09b LP |
1043 | .trigger_notify = timer_trigger_notify, |
1044 | ||
fdf20a31 | 1045 | .reset_failed = timer_reset_failed, |
8742514c | 1046 | .time_change = timer_time_change, |
bbf5fd8e | 1047 | .timezone_change = timer_timezone_change, |
5632e374 | 1048 | |
d8a812d1 | 1049 | .bus_set_property = bus_timer_set_property, |
9727f242 | 1050 | |
705578c3 | 1051 | .can_start = timer_can_start, |
5cb5a6ff | 1052 | }; |
c8bc7519 LB |
1053 | |
1054 | const ActivationDetailsVTable activation_details_timer_vtable = { | |
1055 | .object_size = sizeof(ActivationDetailsTimer), | |
1056 | ||
1057 | .serialize = activation_details_timer_serialize, | |
1058 | .deserialize = activation_details_timer_deserialize, | |
1059 | .append_env = activation_details_timer_append_env, | |
1060 | .append_pair = activation_details_timer_append_pair, | |
1061 | }; |