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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 | 37 | static void timer_init(Unit *u) { |
e9fa1bf7 | 38 | Timer *t = ASSERT_PTR(TIMER(u)); |
871d7de4 | 39 | |
ac155bb8 | 40 | assert(u->load_state == UNIT_STUB); |
871d7de4 | 41 | |
3a43da28 KS |
42 | t->next_elapse_monotonic_or_boottime = USEC_INFINITY; |
43 | t->next_elapse_realtime = USEC_INFINITY; | |
c9e120e0 | 44 | t->accuracy_usec = u->manager->defaults.timer_accuracy_usec; |
3e0c30ac | 45 | t->remain_after_elapse = true; |
871d7de4 | 46 | } |
5cb5a6ff | 47 | |
74051b9b | 48 | void timer_free_values(Timer *t) { |
871d7de4 LP |
49 | TimerValue *v; |
50 | ||
51 | assert(t); | |
52 | ||
52e3671b | 53 | while ((v = LIST_POP(value, t->values))) { |
3e044c49 | 54 | calendar_spec_free(v->calendar_spec); |
871d7de4 LP |
55 | free(v); |
56 | } | |
74051b9b LP |
57 | } |
58 | ||
59 | static void timer_done(Unit *u) { | |
e9fa1bf7 | 60 | Timer *t = ASSERT_PTR(TIMER(u)); |
74051b9b LP |
61 | |
62 | timer_free_values(t); | |
871d7de4 | 63 | |
5dcadb4c ZJS |
64 | t->monotonic_event_source = sd_event_source_disable_unref(t->monotonic_event_source); |
65 | t->realtime_event_source = sd_event_source_disable_unref(t->realtime_event_source); | |
06642d17 | 66 | |
756491af | 67 | t->stamp_path = mfree(t->stamp_path); |
871d7de4 LP |
68 | } |
69 | ||
70 | static int timer_verify(Timer *t) { | |
71 | assert(t); | |
75193d41 | 72 | assert(UNIT(t)->load_state == UNIT_LOADED); |
871d7de4 | 73 | |
d85ff944 YW |
74 | if (!t->values && !t->on_clock_change && !t->on_timezone_change) |
75 | return log_unit_error_errno(UNIT(t), SYNTHETIC_ERRNO(ENOEXEC), "Timer unit lacks value setting. Refusing."); | |
871d7de4 LP |
76 | |
77 | return 0; | |
78 | } | |
79 | ||
6c155fe3 LP |
80 | static int timer_add_default_dependencies(Timer *t) { |
81 | int r; | |
82 | ||
83 | assert(t); | |
84 | ||
4c9ea260 LP |
85 | if (!UNIT(t)->default_dependencies) |
86 | return 0; | |
87 | ||
35d8c19a | 88 | r = unit_add_dependency_by_name(UNIT(t), UNIT_BEFORE, SPECIAL_TIMERS_TARGET, true, UNIT_DEPENDENCY_DEFAULT); |
e3d84721 LP |
89 | if (r < 0) |
90 | return r; | |
2a77d31d | 91 | |
463d0d15 | 92 | if (MANAGER_IS_SYSTEM(UNIT(t)->manager)) { |
3835b9aa | 93 | r = unit_add_two_dependencies_by_name(UNIT(t), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SYSINIT_TARGET, true, UNIT_DEPENDENCY_DEFAULT); |
36697dc0 | 94 | if (r < 0) |
6c155fe3 | 95 | return r; |
19f8d037 | 96 | |
fe934b42 | 97 | LIST_FOREACH(value, v, t->values) { |
fe934b42 LP |
98 | if (v->base != TIMER_CALENDAR) |
99 | continue; | |
100 | ||
101 | FOREACH_STRING(target, SPECIAL_TIME_SYNC_TARGET, SPECIAL_TIME_SET_TARGET) { | |
102 | r = unit_add_dependency_by_name(UNIT(t), UNIT_AFTER, target, true, UNIT_DEPENDENCY_DEFAULT); | |
19f8d037 TGR |
103 | if (r < 0) |
104 | return r; | |
19f8d037 | 105 | } |
fe934b42 LP |
106 | |
107 | break; | |
108 | } | |
2a77d31d | 109 | } |
6c155fe3 | 110 | |
3835b9aa | 111 | return unit_add_two_dependencies_by_name(UNIT(t), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, true, UNIT_DEPENDENCY_DEFAULT); |
eef85c4a LP |
112 | } |
113 | ||
114 | static int timer_add_trigger_dependencies(Timer *t) { | |
115 | Unit *x; | |
116 | int r; | |
117 | ||
118 | assert(t); | |
119 | ||
bc32241e | 120 | if (UNIT_TRIGGER(UNIT(t))) |
eef85c4a LP |
121 | return 0; |
122 | ||
123 | r = unit_load_related_unit(UNIT(t), ".service", &x); | |
124 | if (r < 0) | |
125 | return r; | |
126 | ||
127 | return unit_add_two_dependencies(UNIT(t), UNIT_BEFORE, UNIT_TRIGGERS, x, true, UNIT_DEPENDENCY_IMPLICIT); | |
6c155fe3 LP |
128 | } |
129 | ||
06642d17 | 130 | static int timer_setup_persistent(Timer *t) { |
d3ab7b80 | 131 | _cleanup_free_ char *stamp_path = NULL; |
06642d17 LP |
132 | int r; |
133 | ||
134 | assert(t); | |
135 | ||
136 | if (!t->persistent) | |
137 | return 0; | |
138 | ||
463d0d15 | 139 | if (MANAGER_IS_SYSTEM(UNIT(t)->manager)) { |
06642d17 | 140 | |
9e615fa3 | 141 | r = unit_add_mounts_for(UNIT(t), "/var/lib/systemd/timers", UNIT_DEPENDENCY_FILE, UNIT_MOUNT_REQUIRES); |
06642d17 LP |
142 | if (r < 0) |
143 | return r; | |
144 | ||
d3ab7b80 | 145 | stamp_path = strjoin("/var/lib/systemd/timers/stamp-", UNIT(t)->id); |
06642d17 LP |
146 | } else { |
147 | const char *e; | |
148 | ||
149 | e = getenv("XDG_DATA_HOME"); | |
150 | if (e) | |
d3ab7b80 | 151 | stamp_path = strjoin(e, "/systemd/timers/stamp-", UNIT(t)->id); |
06642d17 LP |
152 | else { |
153 | ||
154 | _cleanup_free_ char *h = NULL; | |
155 | ||
156 | r = get_home_dir(&h); | |
23bbb0de | 157 | if (r < 0) |
f2341e0a | 158 | return log_unit_error_errno(UNIT(t), r, "Failed to determine home directory: %m"); |
06642d17 | 159 | |
d3ab7b80 | 160 | stamp_path = strjoin(h, "/.local/share/systemd/timers/stamp-", UNIT(t)->id); |
06642d17 LP |
161 | } |
162 | } | |
163 | ||
d3ab7b80 | 164 | if (!stamp_path) |
06642d17 LP |
165 | return log_oom(); |
166 | ||
d3ab7b80 | 167 | return free_and_replace(t->stamp_path, stamp_path); |
06642d17 LP |
168 | } |
169 | ||
acf24a1a KG |
170 | static uint64_t timer_get_fixed_delay_hash(Timer *t) { |
171 | static const uint8_t hash_key[] = { | |
172 | 0x51, 0x0a, 0xdb, 0x76, 0x29, 0x51, 0x42, 0xc2, | |
173 | 0x80, 0x35, 0xea, 0xe6, 0x8e, 0x3a, 0x37, 0xbd | |
174 | }; | |
175 | ||
176 | struct siphash state; | |
177 | sd_id128_t machine_id; | |
178 | uid_t uid; | |
179 | int r; | |
180 | ||
181 | assert(t); | |
182 | ||
183 | uid = getuid(); | |
184 | r = sd_id128_get_machine(&machine_id); | |
185 | if (r < 0) { | |
186 | log_unit_debug_errno(UNIT(t), r, | |
187 | "Failed to get machine ID for the fixed delay calculation, proceeding with 0: %m"); | |
188 | machine_id = SD_ID128_NULL; | |
189 | } | |
190 | ||
191 | siphash24_init(&state, hash_key); | |
c01a5c05 | 192 | siphash24_compress_typesafe(machine_id, &state); |
acf24a1a | 193 | siphash24_compress_boolean(MANAGER_IS_SYSTEM(UNIT(t)->manager), &state); |
c01a5c05 | 194 | siphash24_compress_typesafe(uid, &state); |
acf24a1a KG |
195 | siphash24_compress_string(UNIT(t)->id, &state); |
196 | ||
197 | return siphash24_finalize(&state); | |
198 | } | |
199 | ||
871d7de4 | 200 | static int timer_load(Unit *u) { |
e9fa1bf7 | 201 | Timer *t = ASSERT_PTR(TIMER(u)); |
871d7de4 LP |
202 | int r; |
203 | ||
ac155bb8 | 204 | assert(u->load_state == UNIT_STUB); |
871d7de4 | 205 | |
c3620770 | 206 | r = unit_load_fragment_and_dropin(u, true); |
36697dc0 | 207 | if (r < 0) |
871d7de4 LP |
208 | return r; |
209 | ||
75193d41 ZJS |
210 | if (u->load_state != UNIT_LOADED) |
211 | return 0; | |
871d7de4 | 212 | |
75193d41 ZJS |
213 | /* This is a new unit? Then let's add in some extras */ |
214 | r = timer_add_trigger_dependencies(t); | |
215 | if (r < 0) | |
216 | return r; | |
57020a3a | 217 | |
75193d41 ZJS |
218 | r = timer_setup_persistent(t); |
219 | if (r < 0) | |
220 | return r; | |
06642d17 | 221 | |
75193d41 ZJS |
222 | r = timer_add_default_dependencies(t); |
223 | if (r < 0) | |
224 | return r; | |
871d7de4 LP |
225 | |
226 | return timer_verify(t); | |
227 | } | |
228 | ||
229 | static void timer_dump(Unit *u, FILE *f, const char *prefix) { | |
e9fa1bf7 | 230 | Timer *t = ASSERT_PTR(TIMER(u)); |
3ecaa09b | 231 | Unit *trigger; |
034c6ed7 | 232 | |
e9fa1bf7 MY |
233 | assert(f); |
234 | assert(prefix); | |
235 | ||
3ecaa09b LP |
236 | trigger = UNIT_TRIGGER(u); |
237 | ||
871d7de4 LP |
238 | fprintf(f, |
239 | "%sTimer State: %s\n" | |
067d72c9 | 240 | "%sResult: %s\n" |
9f5eb56a | 241 | "%sUnit: %s\n" |
dedabea4 LP |
242 | "%sPersistent: %s\n" |
243 | "%sWakeSystem: %s\n" | |
3e0c30ac | 244 | "%sAccuracy: %s\n" |
efebb613 | 245 | "%sRemainAfterElapse: %s\n" |
acf24a1a | 246 | "%sFixedRandomDelay: %s\n" |
efebb613 | 247 | "%sOnClockChange: %s\n" |
0810e396 | 248 | "%sOnTimeZoneChange: %s\n", |
871d7de4 | 249 | prefix, timer_state_to_string(t->state), |
067d72c9 | 250 | prefix, timer_result_to_string(t->result), |
9f5eb56a | 251 | prefix, trigger ? trigger->id : "n/a", |
dedabea4 LP |
252 | prefix, yes_no(t->persistent), |
253 | prefix, yes_no(t->wake_system), | |
5291f26d | 254 | prefix, FORMAT_TIMESPAN(t->accuracy_usec, 1), |
efebb613 | 255 | prefix, yes_no(t->remain_after_elapse), |
acf24a1a | 256 | prefix, yes_no(t->fixed_random_delay), |
efebb613 LP |
257 | prefix, yes_no(t->on_clock_change), |
258 | prefix, yes_no(t->on_timezone_change)); | |
871d7de4 | 259 | |
2762ce2d | 260 | LIST_FOREACH(value, v, t->values) |
36697dc0 LP |
261 | if (v->base == TIMER_CALENDAR) { |
262 | _cleanup_free_ char *p = NULL; | |
263 | ||
25cb94d4 | 264 | (void) calendar_spec_to_string(v->calendar_spec, &p); |
36697dc0 LP |
265 | |
266 | fprintf(f, | |
267 | "%s%s: %s\n", | |
268 | prefix, | |
269 | timer_base_to_string(v->base), | |
270 | strna(p)); | |
5291f26d | 271 | } else |
36697dc0 LP |
272 | fprintf(f, |
273 | "%s%s: %s\n", | |
274 | prefix, | |
275 | timer_base_to_string(v->base), | |
5291f26d | 276 | FORMAT_TIMESPAN(v->value, 0)); |
871d7de4 LP |
277 | } |
278 | ||
279 | static void timer_set_state(Timer *t, TimerState state) { | |
280 | TimerState old_state; | |
e9fa1bf7 | 281 | |
034c6ed7 | 282 | assert(t); |
871d7de4 | 283 | |
6fcbec6f LP |
284 | if (t->state != state) |
285 | bus_unit_send_pending_change_signal(UNIT(t), false); | |
286 | ||
871d7de4 LP |
287 | old_state = t->state; |
288 | t->state = state; | |
289 | ||
36697dc0 | 290 | if (state != TIMER_WAITING) { |
5dcadb4c ZJS |
291 | t->monotonic_event_source = sd_event_source_disable_unref(t->monotonic_event_source); |
292 | t->realtime_event_source = sd_event_source_disable_unref(t->realtime_event_source); | |
6e2c9ce1 ZJS |
293 | t->next_elapse_monotonic_or_boottime = USEC_INFINITY; |
294 | t->next_elapse_realtime = USEC_INFINITY; | |
36697dc0 | 295 | } |
871d7de4 LP |
296 | |
297 | if (state != old_state) | |
f2341e0a | 298 | log_unit_debug(UNIT(t), "Changed %s -> %s", timer_state_to_string(old_state), timer_state_to_string(state)); |
871d7de4 | 299 | |
96b09de5 | 300 | unit_notify(UNIT(t), state_translation_table[old_state], state_translation_table[state], /* reload_success = */ true); |
871d7de4 LP |
301 | } |
302 | ||
aa1f95d2 | 303 | static void timer_enter_waiting(Timer *t, bool time_change); |
871d7de4 | 304 | |
be847e82 | 305 | static int timer_coldplug(Unit *u) { |
e9fa1bf7 | 306 | Timer *t = ASSERT_PTR(TIMER(u)); |
871d7de4 | 307 | |
871d7de4 LP |
308 | assert(t->state == TIMER_DEAD); |
309 | ||
3e0c30ac LP |
310 | if (t->deserialized_state == t->state) |
311 | return 0; | |
871d7de4 | 312 | |
3e0c30ac | 313 | if (t->deserialized_state == TIMER_WAITING) |
aa1f95d2 | 314 | timer_enter_waiting(t, false); |
3e0c30ac LP |
315 | else |
316 | timer_set_state(t, t->deserialized_state); | |
871d7de4 LP |
317 | |
318 | return 0; | |
319 | } | |
320 | ||
067d72c9 | 321 | static void timer_enter_dead(Timer *t, TimerResult f) { |
871d7de4 LP |
322 | assert(t); |
323 | ||
a0fef983 | 324 | if (t->result == TIMER_SUCCESS) |
067d72c9 | 325 | t->result = f; |
871d7de4 | 326 | |
aac99f30 | 327 | unit_log_result(UNIT(t), t->result == TIMER_SUCCESS, timer_result_to_string(t->result)); |
067d72c9 | 328 | timer_set_state(t, t->result != TIMER_SUCCESS ? TIMER_FAILED : TIMER_DEAD); |
871d7de4 LP |
329 | } |
330 | ||
3e0c30ac LP |
331 | static void timer_enter_elapsed(Timer *t, bool leave_around) { |
332 | assert(t); | |
333 | ||
334 | /* If a unit is marked with RemainAfterElapse=yes we leave it | |
335 | * around even after it elapsed once, so that starting it | |
336 | * later again does not necessarily mean immediate | |
337 | * retriggering. We unconditionally leave units with | |
338 | * TIMER_UNIT_ACTIVE or TIMER_UNIT_INACTIVE triggers around, | |
339 | * since they might be restarted automatically at any time | |
340 | * later on. */ | |
341 | ||
342 | if (t->remain_after_elapse || leave_around) | |
343 | timer_set_state(t, TIMER_ELAPSED); | |
344 | else | |
345 | timer_enter_dead(t, TIMER_SUCCESS); | |
346 | } | |
347 | ||
744c7693 | 348 | static void add_random(Timer *t, usec_t *v) { |
744c7693 LP |
349 | usec_t add; |
350 | ||
351 | assert(t); | |
3f51aec8 | 352 | assert(v); |
744c7693 LP |
353 | |
354 | if (t->random_usec == 0) | |
355 | return; | |
356 | if (*v == USEC_INFINITY) | |
357 | return; | |
358 | ||
acf24a1a | 359 | add = (t->fixed_random_delay ? timer_get_fixed_delay_hash(t) : random_u64()) % t->random_usec; |
744c7693 LP |
360 | |
361 | if (*v + add < *v) /* overflow */ | |
362 | *v = (usec_t) -2; /* Highest possible value, that is not USEC_INFINITY */ | |
363 | else | |
364 | *v += add; | |
365 | ||
5291f26d | 366 | log_unit_debug(UNIT(t), "Adding %s random time.", FORMAT_TIMESPAN(add, 0)); |
744c7693 LP |
367 | } |
368 | ||
aa1f95d2 | 369 | static void timer_enter_waiting(Timer *t, bool time_change) { |
36697dc0 | 370 | bool found_monotonic = false, found_realtime = false; |
3e0c30ac | 371 | bool leave_around = false; |
c54be90b | 372 | triple_timestamp ts; |
e903182e | 373 | Unit *trigger; |
871d7de4 LP |
374 | int r; |
375 | ||
e903182e LP |
376 | assert(t); |
377 | ||
378 | trigger = UNIT_TRIGGER(UNIT(t)); | |
379 | if (!trigger) { | |
380 | log_unit_error(UNIT(t), "Unit to trigger vanished."); | |
e7912a08 | 381 | goto fail; |
e903182e LP |
382 | } |
383 | ||
fa5a0251 | 384 | triple_timestamp_now(&ts); |
dedabea4 | 385 | t->next_elapse_monotonic_or_boottime = t->next_elapse_realtime = 0; |
871d7de4 LP |
386 | |
387 | LIST_FOREACH(value, v, t->values) { | |
871d7de4 LP |
388 | if (v->disabled) |
389 | continue; | |
390 | ||
36697dc0 | 391 | if (v->base == TIMER_CALENDAR) { |
58afc4f8 | 392 | usec_t b, rebased; |
06642d17 | 393 | |
0bf1d0ff LB |
394 | /* If we know the last time this was |
395 | * triggered, schedule the job based relative | |
396 | * to that. If we don't, just start from | |
397 | * the activation time. */ | |
398 | ||
e21f75af | 399 | if (dual_timestamp_is_set(&t->last_trigger)) |
9ea9faff | 400 | b = t->last_trigger.realtime; |
6546045f DDM |
401 | else if (dual_timestamp_is_set(&UNIT(t)->inactive_exit_timestamp)) |
402 | b = UNIT(t)->inactive_exit_timestamp.realtime; | |
403 | else | |
404 | b = ts.realtime; | |
06642d17 LP |
405 | |
406 | r = calendar_spec_next_usec(v->calendar_spec, b, &v->next_elapse); | |
36697dc0 LP |
407 | if (r < 0) |
408 | continue; | |
409 | ||
58afc4f8 LP |
410 | /* To make the delay due to RandomizedDelaySec= work even at boot, if the scheduled |
411 | * time has already passed, set the time when systemd first started as the scheduled | |
412 | * time. Note that we base this on the monotonic timestamp of the boot, not the | |
413 | * realtime one, since the wallclock might have been off during boot. */ | |
414 | rebased = map_clock_usec(UNIT(t)->manager->timestamps[MANAGER_TIMESTAMP_USERSPACE].monotonic, | |
415 | CLOCK_MONOTONIC, CLOCK_REALTIME); | |
416 | if (v->next_elapse < rebased) | |
417 | v->next_elapse = rebased; | |
a87c1d3a | 418 | |
36697dc0 LP |
419 | if (!found_realtime) |
420 | t->next_elapse_realtime = v->next_elapse; | |
10717a1a | 421 | else |
36697dc0 | 422 | t->next_elapse_realtime = MIN(t->next_elapse_realtime, v->next_elapse); |
871d7de4 | 423 | |
36697dc0 | 424 | found_realtime = true; |
871d7de4 | 425 | |
60933bb8 AJ |
426 | } else { |
427 | usec_t base; | |
c54be90b | 428 | |
36697dc0 | 429 | switch (v->base) { |
871d7de4 | 430 | |
36697dc0 LP |
431 | case TIMER_ACTIVE: |
432 | if (state_translation_table[t->state] == UNIT_ACTIVE) | |
433 | base = UNIT(t)->inactive_exit_timestamp.monotonic; | |
434 | else | |
c54be90b | 435 | base = ts.monotonic; |
36697dc0 | 436 | break; |
871d7de4 | 437 | |
36697dc0 | 438 | case TIMER_BOOT: |
c1d9ba99 MS |
439 | if (detect_container() <= 0) { |
440 | /* CLOCK_MONOTONIC equals the uptime on Linux */ | |
441 | base = 0; | |
442 | break; | |
443 | } | |
444 | /* In a container we don't want to include the time the host | |
445 | * was already up when the container started, so count from | |
ec251fe7 | 446 | * our own startup. */ |
4831981d | 447 | _fallthrough_; |
36697dc0 | 448 | case TIMER_STARTUP: |
9f9f0342 | 449 | base = UNIT(t)->manager->timestamps[MANAGER_TIMESTAMP_USERSPACE].monotonic; |
36697dc0 | 450 | break; |
871d7de4 | 451 | |
36697dc0 | 452 | case TIMER_UNIT_ACTIVE: |
3e0c30ac | 453 | leave_around = true; |
525b95f1 | 454 | base = MAX(trigger->inactive_exit_timestamp.monotonic, t->last_trigger.monotonic); |
e41e1943 | 455 | if (base <= 0) |
36697dc0 | 456 | continue; |
36697dc0 | 457 | break; |
871d7de4 | 458 | |
36697dc0 | 459 | case TIMER_UNIT_INACTIVE: |
3e0c30ac | 460 | leave_around = true; |
525b95f1 | 461 | base = MAX(trigger->inactive_enter_timestamp.monotonic, t->last_trigger.monotonic); |
e41e1943 | 462 | if (base <= 0) |
36697dc0 | 463 | continue; |
36697dc0 | 464 | break; |
871d7de4 | 465 | |
36697dc0 | 466 | default: |
04499a70 | 467 | assert_not_reached(); |
36697dc0 | 468 | } |
871d7de4 | 469 | |
c54be90b | 470 | v->next_elapse = usec_add(usec_shift_clock(base, CLOCK_MONOTONIC, TIMER_MONOTONIC_CLOCK(t)), v->value); |
36697dc0 | 471 | |
aa1f95d2 MK |
472 | if (dual_timestamp_is_set(&t->last_trigger) && |
473 | !time_change && | |
c54be90b LP |
474 | v->next_elapse < triple_timestamp_by_clock(&ts, TIMER_MONOTONIC_CLOCK(t)) && |
475 | IN_SET(v->base, TIMER_ACTIVE, TIMER_BOOT, TIMER_STARTUP)) { | |
e41e1943 | 476 | /* This is a one time trigger, disable it now */ |
36697dc0 LP |
477 | v->disabled = true; |
478 | continue; | |
479 | } | |
480 | ||
481 | if (!found_monotonic) | |
dedabea4 | 482 | t->next_elapse_monotonic_or_boottime = v->next_elapse; |
36697dc0 | 483 | else |
dedabea4 | 484 | t->next_elapse_monotonic_or_boottime = MIN(t->next_elapse_monotonic_or_boottime, v->next_elapse); |
36697dc0 LP |
485 | |
486 | found_monotonic = true; | |
487 | } | |
871d7de4 LP |
488 | } |
489 | ||
efebb613 | 490 | if (!found_monotonic && !found_realtime && !t->on_timezone_change && !t->on_clock_change) { |
f2341e0a | 491 | log_unit_debug(UNIT(t), "Timer is elapsed."); |
3e0c30ac | 492 | timer_enter_elapsed(t, leave_around); |
871d7de4 LP |
493 | return; |
494 | } | |
495 | ||
36697dc0 | 496 | if (found_monotonic) { |
3e0c30ac | 497 | usec_t left; |
dedabea4 | 498 | |
744c7693 LP |
499 | add_random(t, &t->next_elapse_monotonic_or_boottime); |
500 | ||
c54be90b | 501 | left = usec_sub_unsigned(t->next_elapse_monotonic_or_boottime, triple_timestamp_by_clock(&ts, TIMER_MONOTONIC_CLOCK(t))); |
5291f26d | 502 | log_unit_debug(UNIT(t), "Monotonic timer elapses in %s.", FORMAT_TIMESPAN(left, 0)); |
871d7de4 | 503 | |
718db961 | 504 | if (t->monotonic_event_source) { |
dedabea4 | 505 | r = sd_event_source_set_time(t->monotonic_event_source, t->next_elapse_monotonic_or_boottime); |
e7912a08 LP |
506 | if (r < 0) { |
507 | log_unit_warning_errno(UNIT(t), r, "Failed to reschedule monotonic event source: %m"); | |
718db961 | 508 | goto fail; |
e7912a08 | 509 | } |
718db961 LP |
510 | |
511 | r = sd_event_source_set_enabled(t->monotonic_event_source, SD_EVENT_ONESHOT); | |
e7912a08 LP |
512 | if (r < 0) { |
513 | log_unit_warning_errno(UNIT(t), r, "Failed to enable monotonic event source: %m"); | |
cbf60d0a | 514 | goto fail; |
e7912a08 | 515 | } |
cbf60d0a LP |
516 | } else { |
517 | ||
6a0f1f6d LP |
518 | r = sd_event_add_time( |
519 | UNIT(t)->manager->event, | |
520 | &t->monotonic_event_source, | |
dedabea4 LP |
521 | t->wake_system ? CLOCK_BOOTTIME_ALARM : CLOCK_MONOTONIC, |
522 | t->next_elapse_monotonic_or_boottime, t->accuracy_usec, | |
6a0f1f6d | 523 | timer_dispatch, t); |
e7912a08 LP |
524 | if (r < 0) { |
525 | log_unit_warning_errno(UNIT(t), r, "Failed to add monotonic event source: %m"); | |
cbf60d0a | 526 | goto fail; |
e7912a08 | 527 | } |
718db961 | 528 | |
cbf60d0a LP |
529 | (void) sd_event_source_set_description(t->monotonic_event_source, "timer-monotonic"); |
530 | } | |
7dfbe2e3 | 531 | |
718db961 | 532 | } else if (t->monotonic_event_source) { |
718db961 | 533 | |
06642d17 | 534 | r = sd_event_source_set_enabled(t->monotonic_event_source, SD_EVENT_OFF); |
e7912a08 LP |
535 | if (r < 0) { |
536 | log_unit_warning_errno(UNIT(t), r, "Failed to disable monotonic event source: %m"); | |
718db961 | 537 | goto fail; |
e7912a08 | 538 | } |
718db961 | 539 | } |
36697dc0 LP |
540 | |
541 | if (found_realtime) { | |
744c7693 LP |
542 | add_random(t, &t->next_elapse_realtime); |
543 | ||
04f5c018 | 544 | log_unit_debug(UNIT(t), "Realtime timer elapses at %s.", FORMAT_TIMESTAMP(t->next_elapse_realtime)); |
36697dc0 | 545 | |
718db961 LP |
546 | if (t->realtime_event_source) { |
547 | r = sd_event_source_set_time(t->realtime_event_source, t->next_elapse_realtime); | |
e7912a08 LP |
548 | if (r < 0) { |
549 | log_unit_warning_errno(UNIT(t), r, "Failed to reschedule realtime event source: %m"); | |
718db961 | 550 | goto fail; |
e7912a08 | 551 | } |
718db961 LP |
552 | |
553 | r = sd_event_source_set_enabled(t->realtime_event_source, SD_EVENT_ONESHOT); | |
e7912a08 LP |
554 | if (r < 0) { |
555 | log_unit_warning_errno(UNIT(t), r, "Failed to enable realtime event source: %m"); | |
cbf60d0a | 556 | goto fail; |
e7912a08 | 557 | } |
cbf60d0a | 558 | } else { |
6a0f1f6d LP |
559 | r = sd_event_add_time( |
560 | UNIT(t)->manager->event, | |
561 | &t->realtime_event_source, | |
dedabea4 | 562 | t->wake_system ? CLOCK_REALTIME_ALARM : CLOCK_REALTIME, |
6a0f1f6d LP |
563 | t->next_elapse_realtime, t->accuracy_usec, |
564 | timer_dispatch, t); | |
e7912a08 LP |
565 | if (r < 0) { |
566 | log_unit_warning_errno(UNIT(t), r, "Failed to add realtime event source: %m"); | |
cbf60d0a | 567 | goto fail; |
e7912a08 | 568 | } |
718db961 | 569 | |
cbf60d0a LP |
570 | (void) sd_event_source_set_description(t->realtime_event_source, "timer-realtime"); |
571 | } | |
7dfbe2e3 | 572 | |
718db961 | 573 | } else if (t->realtime_event_source) { |
718db961 | 574 | |
06642d17 | 575 | r = sd_event_source_set_enabled(t->realtime_event_source, SD_EVENT_OFF); |
e7912a08 LP |
576 | if (r < 0) { |
577 | log_unit_warning_errno(UNIT(t), r, "Failed to disable realtime event source: %m"); | |
718db961 | 578 | goto fail; |
e7912a08 | 579 | } |
718db961 | 580 | } |
871d7de4 LP |
581 | |
582 | timer_set_state(t, TIMER_WAITING); | |
583 | return; | |
584 | ||
585 | fail: | |
067d72c9 | 586 | timer_enter_dead(t, TIMER_FAILURE_RESOURCES); |
871d7de4 LP |
587 | } |
588 | ||
589 | static void timer_enter_running(Timer *t) { | |
c8bc7519 | 590 | _cleanup_(activation_details_unrefp) ActivationDetails *details = NULL; |
4afd3348 | 591 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
e903182e | 592 | Unit *trigger; |
c8bc7519 | 593 | Job *job; |
871d7de4 | 594 | int r; |
398ef8ba | 595 | |
871d7de4 LP |
596 | assert(t); |
597 | ||
ba3e67a7 | 598 | /* Don't start job if we are supposed to go down */ |
31afa0a4 | 599 | if (unit_stop_pending(UNIT(t))) |
ba3e67a7 LP |
600 | return; |
601 | ||
e903182e LP |
602 | trigger = UNIT_TRIGGER(UNIT(t)); |
603 | if (!trigger) { | |
604 | log_unit_error(UNIT(t), "Unit to trigger vanished."); | |
e7912a08 | 605 | goto fail; |
e903182e LP |
606 | } |
607 | ||
c8bc7519 LB |
608 | details = activation_details_new(UNIT(t)); |
609 | if (!details) { | |
e7912a08 | 610 | log_oom(); |
c8bc7519 LB |
611 | goto fail; |
612 | } | |
613 | ||
614 | r = manager_add_job(UNIT(t)->manager, JOB_START, trigger, JOB_REPLACE, NULL, &error, &job); | |
e7912a08 LP |
615 | if (r < 0) { |
616 | log_unit_warning(UNIT(t), "Failed to queue unit startup job: %s", bus_error_message(&error, r)); | |
871d7de4 | 617 | goto fail; |
e7912a08 | 618 | } |
871d7de4 | 619 | |
fa5a0251 | 620 | dual_timestamp_now(&t->last_trigger); |
c8bc7519 LB |
621 | ACTIVATION_DETAILS_TIMER(details)->last_trigger = t->last_trigger; |
622 | ||
623 | job_set_activation_details(job, details); | |
06642d17 | 624 | |
472fc28f | 625 | if (t->stamp_path) |
ee735086 | 626 | touch_file(t->stamp_path, true, t->last_trigger.realtime, UID_INVALID, GID_INVALID, MODE_INVALID); |
e41e1943 | 627 | |
871d7de4 LP |
628 | timer_set_state(t, TIMER_RUNNING); |
629 | return; | |
630 | ||
631 | fail: | |
067d72c9 | 632 | timer_enter_dead(t, TIMER_FAILURE_RESOURCES); |
871d7de4 LP |
633 | } |
634 | ||
635 | static int timer_start(Unit *u) { | |
e9fa1bf7 | 636 | Timer *t = ASSERT_PTR(TIMER(u)); |
07299350 | 637 | int r; |
871d7de4 | 638 | |
3742095b | 639 | assert(IN_SET(t->state, TIMER_DEAD, TIMER_FAILED)); |
01f78473 | 640 | |
a4191c9f LP |
641 | r = unit_test_trigger_loaded(u); |
642 | if (r < 0) | |
643 | return r; | |
871d7de4 | 644 | |
4b58153d LP |
645 | r = unit_acquire_invocation_id(u); |
646 | if (r < 0) | |
647 | return r; | |
648 | ||
06642d17 LP |
649 | t->last_trigger = DUAL_TIMESTAMP_NULL; |
650 | ||
779042e7 MC |
651 | /* Reenable all timers that depend on unit activation time */ |
652 | LIST_FOREACH(value, v, t->values) | |
653 | if (v->base == TIMER_ACTIVE) | |
654 | v->disabled = false; | |
655 | ||
06642d17 LP |
656 | if (t->stamp_path) { |
657 | struct stat st; | |
658 | ||
77542a79 LP |
659 | if (stat(t->stamp_path, &st) >= 0) { |
660 | usec_t ft; | |
661 | ||
662 | /* Load the file timestamp, but only if it is actually in the past. If it is in the future, | |
663 | * something is wrong with the system clock. */ | |
664 | ||
665 | ft = timespec_load(&st.st_mtim); | |
666 | if (ft < now(CLOCK_REALTIME)) | |
667 | t->last_trigger.realtime = ft; | |
04f5c018 | 668 | else |
77542a79 | 669 | log_unit_warning(u, "Not using persistent file timestamp %s as it is in the future.", |
04f5c018 | 670 | FORMAT_TIMESTAMP(ft)); |
77542a79 LP |
671 | |
672 | } else if (errno == ENOENT) | |
2762ce2d | 673 | /* The timer has never run before, make sure a stamp file exists. */ |
4b58153d | 674 | (void) touch_file(t->stamp_path, true, USEC_INFINITY, UID_INVALID, GID_INVALID, MODE_INVALID); |
06642d17 LP |
675 | } |
676 | ||
067d72c9 | 677 | t->result = TIMER_SUCCESS; |
aa1f95d2 | 678 | timer_enter_waiting(t, false); |
82a2b6bb | 679 | return 1; |
871d7de4 LP |
680 | } |
681 | ||
682 | static int timer_stop(Unit *u) { | |
e9fa1bf7 | 683 | Timer *t = ASSERT_PTR(TIMER(u)); |
871d7de4 | 684 | |
3742095b | 685 | assert(IN_SET(t->state, TIMER_WAITING, TIMER_RUNNING, TIMER_ELAPSED)); |
871d7de4 | 686 | |
067d72c9 | 687 | timer_enter_dead(t, TIMER_SUCCESS); |
82a2b6bb | 688 | return 1; |
871d7de4 LP |
689 | } |
690 | ||
691 | static int timer_serialize(Unit *u, FILE *f, FDSet *fds) { | |
e9fa1bf7 | 692 | Timer *t = ASSERT_PTR(TIMER(u)); |
871d7de4 | 693 | |
871d7de4 LP |
694 | assert(f); |
695 | assert(fds); | |
696 | ||
d68c645b LP |
697 | (void) serialize_item(f, "state", timer_state_to_string(t->state)); |
698 | (void) serialize_item(f, "result", timer_result_to_string(t->result)); | |
871d7de4 | 699 | |
eba1cf56 | 700 | if (dual_timestamp_is_set(&t->last_trigger)) |
d68c645b | 701 | (void) serialize_usec(f, "last-trigger-realtime", t->last_trigger.realtime); |
06642d17 LP |
702 | |
703 | if (t->last_trigger.monotonic > 0) | |
d68c645b | 704 | (void) serialize_usec(f, "last-trigger-monotonic", t->last_trigger.monotonic); |
06642d17 | 705 | |
871d7de4 LP |
706 | return 0; |
707 | } | |
708 | ||
709 | static int timer_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) { | |
e9fa1bf7 | 710 | Timer *t = ASSERT_PTR(TIMER(u)); |
871d7de4 | 711 | |
871d7de4 LP |
712 | assert(key); |
713 | assert(value); | |
714 | assert(fds); | |
715 | ||
716 | if (streq(key, "state")) { | |
717 | TimerState state; | |
718 | ||
36697dc0 LP |
719 | state = timer_state_from_string(value); |
720 | if (state < 0) | |
f2341e0a | 721 | log_unit_debug(u, "Failed to parse state value: %s", value); |
871d7de4 LP |
722 | else |
723 | t->deserialized_state = state; | |
d68c645b | 724 | |
067d72c9 LP |
725 | } else if (streq(key, "result")) { |
726 | TimerResult f; | |
727 | ||
728 | f = timer_result_from_string(value); | |
729 | if (f < 0) | |
f2341e0a | 730 | log_unit_debug(u, "Failed to parse result value: %s", value); |
067d72c9 LP |
731 | else if (f != TIMER_SUCCESS) |
732 | t->result = f; | |
06642d17 | 733 | |
d68c645b LP |
734 | } else if (streq(key, "last-trigger-realtime")) |
735 | (void) deserialize_usec(value, &t->last_trigger.realtime); | |
736 | else if (streq(key, "last-trigger-monotonic")) | |
737 | (void) deserialize_usec(value, &t->last_trigger.monotonic); | |
738 | else | |
f2341e0a | 739 | log_unit_debug(u, "Unknown serialization key: %s", key); |
871d7de4 LP |
740 | |
741 | return 0; | |
034c6ed7 LP |
742 | } |
743 | ||
d1e8e8b5 | 744 | static UnitActiveState timer_active_state(Unit *u) { |
e9fa1bf7 | 745 | Timer *t = ASSERT_PTR(TIMER(u)); |
871d7de4 | 746 | |
e9fa1bf7 | 747 | return state_translation_table[t->state]; |
871d7de4 LP |
748 | } |
749 | ||
d1e8e8b5 | 750 | static const char *timer_sub_state_to_string(Unit *u) { |
e9fa1bf7 | 751 | Timer *t = ASSERT_PTR(TIMER(u)); |
871d7de4 | 752 | |
e9fa1bf7 | 753 | return timer_state_to_string(t->state); |
871d7de4 LP |
754 | } |
755 | ||
718db961 | 756 | static int timer_dispatch(sd_event_source *s, uint64_t usec, void *userdata) { |
e9fa1bf7 | 757 | Timer *t = ASSERT_PTR(TIMER(userdata)); |
5cb5a6ff | 758 | |
871d7de4 | 759 | if (t->state != TIMER_WAITING) |
718db961 | 760 | return 0; |
5cb5a6ff | 761 | |
f2341e0a | 762 | log_unit_debug(UNIT(t), "Timer elapsed."); |
871d7de4 | 763 | timer_enter_running(t); |
718db961 | 764 | return 0; |
5cb5a6ff LP |
765 | } |
766 | ||
3ecaa09b | 767 | static void timer_trigger_notify(Unit *u, Unit *other) { |
e9fa1bf7 | 768 | Timer *t = ASSERT_PTR(TIMER(u)); |
871d7de4 | 769 | |
3ecaa09b | 770 | assert(other); |
871d7de4 | 771 | |
0377cd29 LP |
772 | /* Filter out invocations with bogus state */ |
773 | assert(UNIT_IS_LOAD_COMPLETE(other->load_state)); | |
871d7de4 | 774 | |
3ecaa09b LP |
775 | /* Reenable all timers that depend on unit state */ |
776 | LIST_FOREACH(value, v, t->values) | |
3742095b | 777 | if (IN_SET(v->base, TIMER_UNIT_ACTIVE, TIMER_UNIT_INACTIVE)) |
3ecaa09b | 778 | v->disabled = false; |
01f78473 | 779 | |
3ecaa09b | 780 | switch (t->state) { |
871d7de4 | 781 | |
3ecaa09b LP |
782 | case TIMER_WAITING: |
783 | case TIMER_ELAPSED: | |
871d7de4 | 784 | |
3ecaa09b | 785 | /* Recalculate sleep time */ |
aa1f95d2 | 786 | timer_enter_waiting(t, false); |
3ecaa09b | 787 | break; |
871d7de4 | 788 | |
3ecaa09b | 789 | case TIMER_RUNNING: |
871d7de4 | 790 | |
3ecaa09b | 791 | if (UNIT_IS_INACTIVE_OR_FAILED(unit_active_state(other))) { |
f2341e0a | 792 | log_unit_debug(UNIT(t), "Got notified about unit deactivation."); |
aa1f95d2 | 793 | timer_enter_waiting(t, false); |
3ecaa09b LP |
794 | } |
795 | break; | |
871d7de4 | 796 | |
3ecaa09b LP |
797 | case TIMER_DEAD: |
798 | case TIMER_FAILED: | |
799 | break; | |
871d7de4 | 800 | |
3ecaa09b | 801 | default: |
04499a70 | 802 | assert_not_reached(); |
871d7de4 | 803 | } |
871d7de4 LP |
804 | } |
805 | ||
fdf20a31 | 806 | static void timer_reset_failed(Unit *u) { |
e9fa1bf7 | 807 | Timer *t = ASSERT_PTR(TIMER(u)); |
5632e374 | 808 | |
fdf20a31 | 809 | if (t->state == TIMER_FAILED) |
5632e374 LP |
810 | timer_set_state(t, TIMER_DEAD); |
811 | ||
067d72c9 | 812 | t->result = TIMER_SUCCESS; |
5632e374 LP |
813 | } |
814 | ||
8742514c | 815 | static void timer_time_change(Unit *u) { |
e9fa1bf7 | 816 | Timer *t = ASSERT_PTR(TIMER(u)); |
13f512d3 | 817 | usec_t ts; |
8742514c | 818 | |
8742514c LP |
819 | if (t->state != TIMER_WAITING) |
820 | return; | |
821 | ||
13f512d3 AJ |
822 | /* If we appear to have triggered in the future, the system clock must |
823 | * have been set backwards. So let's rewind our own clock and allow | |
0923b425 | 824 | * the future triggers to happen again :). Exactly the same as when |
13f512d3 AJ |
825 | * you start a timer unit with Persistent=yes. */ |
826 | ts = now(CLOCK_REALTIME); | |
827 | if (t->last_trigger.realtime > ts) | |
828 | t->last_trigger.realtime = ts; | |
829 | ||
efebb613 LP |
830 | if (t->on_clock_change) { |
831 | log_unit_debug(u, "Time change, triggering activation."); | |
832 | timer_enter_running(t); | |
833 | } else { | |
834 | log_unit_debug(u, "Time change, recalculating next elapse."); | |
835 | timer_enter_waiting(t, true); | |
836 | } | |
8742514c LP |
837 | } |
838 | ||
bbf5fd8e | 839 | static void timer_timezone_change(Unit *u) { |
e9fa1bf7 | 840 | Timer *t = ASSERT_PTR(TIMER(u)); |
bbf5fd8e LP |
841 | |
842 | if (t->state != TIMER_WAITING) | |
843 | return; | |
844 | ||
efebb613 LP |
845 | if (t->on_timezone_change) { |
846 | log_unit_debug(u, "Timezone change, triggering activation."); | |
847 | timer_enter_running(t); | |
848 | } else { | |
849 | log_unit_debug(u, "Timezone change, recalculating next elapse."); | |
850 | timer_enter_waiting(t, false); | |
851 | } | |
bbf5fd8e LP |
852 | } |
853 | ||
89f6fe7b | 854 | static int timer_clean(Unit *u, ExecCleanMask mask) { |
e9fa1bf7 | 855 | Timer *t = ASSERT_PTR(TIMER(u)); |
89f6fe7b LP |
856 | int r; |
857 | ||
89f6fe7b LP |
858 | assert(mask != 0); |
859 | ||
860 | if (t->state != TIMER_DEAD) | |
861 | return -EBUSY; | |
862 | ||
4f06325c | 863 | if (mask != EXEC_CLEAN_STATE) |
89f6fe7b LP |
864 | return -EUNATCH; |
865 | ||
866 | r = timer_setup_persistent(t); | |
867 | if (r < 0) | |
868 | return r; | |
869 | ||
870 | if (!t->stamp_path) | |
871 | return -EUNATCH; | |
872 | ||
873 | if (unlink(t->stamp_path) && errno != ENOENT) | |
874 | return log_unit_error_errno(u, errno, "Failed to clean stamp file of timer: %m"); | |
875 | ||
876 | return 0; | |
877 | } | |
878 | ||
879 | static int timer_can_clean(Unit *u, ExecCleanMask *ret) { | |
e9fa1bf7 | 880 | Timer *t = ASSERT_PTR(TIMER(u)); |
89f6fe7b | 881 | |
4fb8f1e8 | 882 | assert(ret); |
89f6fe7b LP |
883 | |
884 | *ret = t->persistent ? EXEC_CLEAN_STATE : 0; | |
885 | return 0; | |
886 | } | |
887 | ||
705578c3 | 888 | static int timer_can_start(Unit *u) { |
e9fa1bf7 | 889 | Timer *t = ASSERT_PTR(TIMER(u)); |
9727f242 DDM |
890 | int r; |
891 | ||
9727f242 DDM |
892 | r = unit_test_start_limit(u); |
893 | if (r < 0) { | |
894 | timer_enter_dead(t, TIMER_FAILURE_START_LIMIT_HIT); | |
895 | return r; | |
896 | } | |
897 | ||
705578c3 | 898 | return 1; |
9727f242 DDM |
899 | } |
900 | ||
c8bc7519 | 901 | static void activation_details_timer_serialize(ActivationDetails *details, FILE *f) { |
e9fa1bf7 | 902 | ActivationDetailsTimer *t = ASSERT_PTR(ACTIVATION_DETAILS_TIMER(details)); |
c8bc7519 | 903 | |
c8bc7519 LB |
904 | assert(f); |
905 | assert(t); | |
906 | ||
907 | (void) serialize_dual_timestamp(f, "activation-details-timer-last-trigger", &t->last_trigger); | |
908 | } | |
909 | ||
910 | static int activation_details_timer_deserialize(const char *key, const char *value, ActivationDetails **details) { | |
911 | int r; | |
912 | ||
913 | assert(key); | |
914 | assert(value); | |
915 | ||
916 | if (!details || !*details) | |
917 | return -EINVAL; | |
918 | ||
919 | ActivationDetailsTimer *t = ACTIVATION_DETAILS_TIMER(*details); | |
920 | if (!t) | |
921 | return -EINVAL; | |
922 | ||
923 | if (!streq(key, "activation-details-timer-last-trigger")) | |
924 | return -EINVAL; | |
925 | ||
926 | r = deserialize_dual_timestamp(value, &t->last_trigger); | |
927 | if (r < 0) | |
928 | return r; | |
929 | ||
930 | return 0; | |
931 | } | |
932 | ||
933 | static int activation_details_timer_append_env(ActivationDetails *details, char ***strv) { | |
e9fa1bf7 | 934 | ActivationDetailsTimer *t = ASSERT_PTR(ACTIVATION_DETAILS_TIMER(details)); |
c8bc7519 LB |
935 | int r; |
936 | ||
c8bc7519 LB |
937 | assert(strv); |
938 | assert(t); | |
939 | ||
940 | if (!dual_timestamp_is_set(&t->last_trigger)) | |
941 | return 0; | |
942 | ||
6457ce15 | 943 | r = strv_extendf(strv, "TRIGGER_TIMER_REALTIME_USEC=" USEC_FMT, t->last_trigger.realtime); |
c8bc7519 LB |
944 | if (r < 0) |
945 | return r; | |
946 | ||
6457ce15 | 947 | r = strv_extendf(strv, "TRIGGER_TIMER_MONOTONIC_USEC=" USEC_FMT, t->last_trigger.monotonic); |
c8bc7519 LB |
948 | if (r < 0) |
949 | return r; | |
950 | ||
951 | return 2; /* Return the number of variables added to the env block */ | |
952 | } | |
953 | ||
954 | static int activation_details_timer_append_pair(ActivationDetails *details, char ***strv) { | |
e9fa1bf7 | 955 | ActivationDetailsTimer *t = ASSERT_PTR(ACTIVATION_DETAILS_TIMER(details)); |
c8bc7519 LB |
956 | int r; |
957 | ||
c8bc7519 LB |
958 | assert(strv); |
959 | assert(t); | |
960 | ||
961 | if (!dual_timestamp_is_set(&t->last_trigger)) | |
962 | return 0; | |
963 | ||
964 | r = strv_extend(strv, "trigger_timer_realtime_usec"); | |
965 | if (r < 0) | |
966 | return r; | |
967 | ||
6457ce15 | 968 | r = strv_extendf(strv, USEC_FMT, t->last_trigger.realtime); |
c8bc7519 LB |
969 | if (r < 0) |
970 | return r; | |
971 | ||
972 | r = strv_extend(strv, "trigger_timer_monotonic_usec"); | |
973 | if (r < 0) | |
974 | return r; | |
975 | ||
6457ce15 | 976 | r = strv_extendf(strv, USEC_FMT, t->last_trigger.monotonic); |
c8bc7519 LB |
977 | if (r < 0) |
978 | return r; | |
979 | ||
980 | return 2; /* Return the number of pairs added to the env block */ | |
981 | } | |
982 | ||
f8a990a0 DDM |
983 | uint64_t timer_next_elapse_monotonic(const Timer *t) { |
984 | assert(t); | |
985 | ||
986 | return (uint64_t) usec_shift_clock(t->next_elapse_monotonic_or_boottime, | |
987 | TIMER_MONOTONIC_CLOCK(t), CLOCK_MONOTONIC); | |
988 | } | |
989 | ||
871d7de4 | 990 | static const char* const timer_base_table[_TIMER_BASE_MAX] = { |
48d83e33 ZJS |
991 | [TIMER_ACTIVE] = "OnActiveSec", |
992 | [TIMER_BOOT] = "OnBootSec", | |
993 | [TIMER_STARTUP] = "OnStartupSec", | |
994 | [TIMER_UNIT_ACTIVE] = "OnUnitActiveSec", | |
36697dc0 | 995 | [TIMER_UNIT_INACTIVE] = "OnUnitInactiveSec", |
48d83e33 | 996 | [TIMER_CALENDAR] = "OnCalendar" |
871d7de4 LP |
997 | }; |
998 | ||
999 | DEFINE_STRING_TABLE_LOOKUP(timer_base, TimerBase); | |
1000 | ||
f8a990a0 DDM |
1001 | char* timer_base_to_usec_string(TimerBase i) { |
1002 | _cleanup_free_ char *buf = NULL; | |
1003 | const char *s; | |
1004 | size_t l; | |
1005 | ||
1006 | s = timer_base_to_string(i); | |
1007 | ||
1008 | if (endswith(s, "Sec")) { | |
1009 | /* s/Sec/USec/ */ | |
1010 | l = strlen(s); | |
1011 | buf = new(char, l+2); | |
1012 | if (!buf) | |
1013 | return NULL; | |
1014 | ||
1015 | memcpy(buf, s, l-3); | |
1016 | memcpy(buf+l-3, "USec", 5); | |
1017 | } else { | |
1018 | buf = strdup(s); | |
1019 | if (!buf) | |
1020 | return NULL; | |
1021 | } | |
1022 | ||
1023 | return TAKE_PTR(buf); | |
1024 | } | |
1025 | ||
067d72c9 | 1026 | static const char* const timer_result_table[_TIMER_RESULT_MAX] = { |
40f41f34 DDM |
1027 | [TIMER_SUCCESS] = "success", |
1028 | [TIMER_FAILURE_RESOURCES] = "resources", | |
1029 | [TIMER_FAILURE_START_LIMIT_HIT] = "start-limit-hit", | |
067d72c9 LP |
1030 | }; |
1031 | ||
1032 | DEFINE_STRING_TABLE_LOOKUP(timer_result, TimerResult); | |
1033 | ||
87f0e418 | 1034 | const UnitVTable timer_vtable = { |
7d17cfbc | 1035 | .object_size = sizeof(Timer), |
718db961 | 1036 | |
f975e971 LP |
1037 | .sections = |
1038 | "Unit\0" | |
1039 | "Timer\0" | |
1040 | "Install\0", | |
d8a812d1 | 1041 | .private_section = "Timer", |
5cb5a6ff | 1042 | |
c80a9a33 LP |
1043 | .can_transient = true, |
1044 | .can_fail = true, | |
1045 | .can_trigger = true, | |
1046 | ||
871d7de4 | 1047 | .init = timer_init, |
034c6ed7 | 1048 | .done = timer_done, |
871d7de4 LP |
1049 | .load = timer_load, |
1050 | ||
1051 | .coldplug = timer_coldplug, | |
1052 | ||
1053 | .dump = timer_dump, | |
1054 | ||
1055 | .start = timer_start, | |
1056 | .stop = timer_stop, | |
1057 | ||
89f6fe7b LP |
1058 | .clean = timer_clean, |
1059 | .can_clean = timer_can_clean, | |
1060 | ||
871d7de4 LP |
1061 | .serialize = timer_serialize, |
1062 | .deserialize_item = timer_deserialize_item, | |
1063 | ||
1064 | .active_state = timer_active_state, | |
1065 | .sub_state_to_string = timer_sub_state_to_string, | |
1066 | ||
3ecaa09b LP |
1067 | .trigger_notify = timer_trigger_notify, |
1068 | ||
fdf20a31 | 1069 | .reset_failed = timer_reset_failed, |
8742514c | 1070 | .time_change = timer_time_change, |
bbf5fd8e | 1071 | .timezone_change = timer_timezone_change, |
5632e374 | 1072 | |
d8a812d1 | 1073 | .bus_set_property = bus_timer_set_property, |
9727f242 | 1074 | |
705578c3 | 1075 | .can_start = timer_can_start, |
5cb5a6ff | 1076 | }; |
c8bc7519 LB |
1077 | |
1078 | const ActivationDetailsVTable activation_details_timer_vtable = { | |
1079 | .object_size = sizeof(ActivationDetailsTimer), | |
1080 | ||
1081 | .serialize = activation_details_timer_serialize, | |
1082 | .deserialize = activation_details_timer_deserialize, | |
1083 | .append_env = activation_details_timer_append_env, | |
1084 | .append_pair = activation_details_timer_append_pair, | |
1085 | }; |