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663996b3 MS |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2010 Lennart Poettering | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU Lesser General Public License as published by | |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public License | |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
18 | ***/ | |
19 | ||
db2df898 | 20 | #include "alloc-util.h" |
60f067b4 | 21 | #include "bus-util.h" |
db2df898 | 22 | #include "dbus-timer.h" |
f47781d8 | 23 | #include "strv.h" |
db2df898 MP |
24 | #include "timer.h" |
25 | #include "unit.h" | |
60f067b4 JS |
26 | |
27 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, timer_result, TimerResult); | |
28 | ||
29 | static int property_get_monotonic_timers( | |
30 | sd_bus *bus, | |
31 | const char *path, | |
32 | const char *interface, | |
33 | const char *property, | |
34 | sd_bus_message *reply, | |
35 | void *userdata, | |
36 | sd_bus_error *error) { | |
37 | ||
38 | Timer *t = userdata; | |
39 | TimerValue *v; | |
40 | int r; | |
41 | ||
42 | assert(bus); | |
43 | assert(reply); | |
44 | assert(t); | |
45 | ||
46 | r = sd_bus_message_open_container(reply, 'a', "(stt)"); | |
47 | if (r < 0) | |
48 | return r; | |
49 | ||
50 | LIST_FOREACH(value, v, t->values) { | |
663996b3 | 51 | _cleanup_free_ char *buf = NULL; |
60f067b4 | 52 | const char *s; |
663996b3 | 53 | size_t l; |
663996b3 | 54 | |
60f067b4 | 55 | if (v->base == TIMER_CALENDAR) |
663996b3 MS |
56 | continue; |
57 | ||
60f067b4 JS |
58 | s = timer_base_to_string(v->base); |
59 | assert(endswith(s, "Sec")); | |
663996b3 MS |
60 | |
61 | /* s/Sec/USec/ */ | |
60f067b4 | 62 | l = strlen(s); |
663996b3 MS |
63 | buf = new(char, l+2); |
64 | if (!buf) | |
65 | return -ENOMEM; | |
66 | ||
60f067b4 | 67 | memcpy(buf, s, l-3); |
663996b3 MS |
68 | memcpy(buf+l-3, "USec", 5); |
69 | ||
60f067b4 JS |
70 | r = sd_bus_message_append(reply, "(stt)", buf, v->value, v->next_elapse); |
71 | if (r < 0) | |
72 | return r; | |
663996b3 MS |
73 | } |
74 | ||
60f067b4 | 75 | return sd_bus_message_close_container(reply); |
663996b3 MS |
76 | } |
77 | ||
60f067b4 JS |
78 | static int property_get_calendar_timers( |
79 | sd_bus *bus, | |
80 | const char *path, | |
81 | const char *interface, | |
82 | const char *property, | |
83 | sd_bus_message *reply, | |
84 | void *userdata, | |
85 | sd_bus_error *error) { | |
663996b3 | 86 | |
60f067b4 JS |
87 | Timer *t = userdata; |
88 | TimerValue *v; | |
89 | int r; | |
663996b3 | 90 | |
60f067b4 JS |
91 | assert(bus); |
92 | assert(reply); | |
93 | assert(t); | |
663996b3 | 94 | |
60f067b4 JS |
95 | r = sd_bus_message_open_container(reply, 'a', "(sst)"); |
96 | if (r < 0) | |
97 | return r; | |
98 | ||
99 | LIST_FOREACH(value, v, t->values) { | |
663996b3 | 100 | _cleanup_free_ char *buf = NULL; |
663996b3 | 101 | |
60f067b4 | 102 | if (v->base != TIMER_CALENDAR) |
663996b3 MS |
103 | continue; |
104 | ||
60f067b4 JS |
105 | r = calendar_spec_to_string(v->calendar_spec, &buf); |
106 | if (r < 0) | |
107 | return r; | |
663996b3 | 108 | |
60f067b4 JS |
109 | r = sd_bus_message_append(reply, "(sst)", timer_base_to_string(v->base), buf, v->next_elapse); |
110 | if (r < 0) | |
111 | return r; | |
663996b3 MS |
112 | } |
113 | ||
60f067b4 | 114 | return sd_bus_message_close_container(reply); |
663996b3 MS |
115 | } |
116 | ||
60f067b4 JS |
117 | static int property_get_unit( |
118 | sd_bus *bus, | |
119 | const char *path, | |
120 | const char *interface, | |
121 | const char *property, | |
122 | sd_bus_message *reply, | |
123 | void *userdata, | |
124 | sd_bus_error *error) { | |
125 | ||
126 | Unit *u = userdata, *trigger; | |
663996b3 | 127 | |
60f067b4 JS |
128 | assert(bus); |
129 | assert(reply); | |
663996b3 MS |
130 | assert(u); |
131 | ||
132 | trigger = UNIT_TRIGGER(u); | |
663996b3 | 133 | |
60f067b4 | 134 | return sd_bus_message_append(reply, "s", trigger ? trigger->id : ""); |
663996b3 MS |
135 | } |
136 | ||
60f067b4 JS |
137 | static int property_get_next_elapse_monotonic( |
138 | sd_bus *bus, | |
139 | const char *path, | |
140 | const char *interface, | |
141 | const char *property, | |
142 | sd_bus_message *reply, | |
143 | void *userdata, | |
144 | sd_bus_error *error) { | |
145 | ||
146 | Timer *t = userdata; | |
147 | usec_t x; | |
148 | ||
149 | assert(bus); | |
150 | assert(reply); | |
151 | assert(t); | |
152 | ||
153 | if (t->next_elapse_monotonic_or_boottime <= 0) | |
154 | x = 0; | |
155 | else if (t->wake_system) { | |
156 | usec_t a, b; | |
157 | ||
158 | a = now(CLOCK_MONOTONIC); | |
aa27b158 | 159 | b = now(clock_boottime_or_monotonic()); |
60f067b4 JS |
160 | |
161 | if (t->next_elapse_monotonic_or_boottime + a > b) | |
162 | x = t->next_elapse_monotonic_or_boottime + a - b; | |
163 | else | |
164 | x = 0; | |
165 | } else | |
166 | x = t->next_elapse_monotonic_or_boottime; | |
167 | ||
168 | return sd_bus_message_append(reply, "t", x); | |
169 | } | |
663996b3 | 170 | |
60f067b4 JS |
171 | const sd_bus_vtable bus_timer_vtable[] = { |
172 | SD_BUS_VTABLE_START(0), | |
173 | SD_BUS_PROPERTY("Unit", "s", property_get_unit, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
174 | SD_BUS_PROPERTY("TimersMonotonic", "a(stt)", property_get_monotonic_timers, 0, SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), | |
175 | SD_BUS_PROPERTY("TimersCalendar", "a(sst)", property_get_calendar_timers, 0, SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION), | |
176 | SD_BUS_PROPERTY("NextElapseUSecRealtime", "t", bus_property_get_usec, offsetof(Timer, next_elapse_realtime), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
177 | SD_BUS_PROPERTY("NextElapseUSecMonotonic", "t", property_get_next_elapse_monotonic, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
178 | BUS_PROPERTY_DUAL_TIMESTAMP("LastTriggerUSec", offsetof(Timer, last_trigger), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
179 | SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Timer, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
180 | SD_BUS_PROPERTY("AccuracyUSec", "t", bus_property_get_usec, offsetof(Timer, accuracy_usec), SD_BUS_VTABLE_PROPERTY_CONST), | |
4c89c718 | 181 | SD_BUS_PROPERTY("RandomizedDelayUSec", "t", bus_property_get_usec, offsetof(Timer, random_usec), SD_BUS_VTABLE_PROPERTY_CONST), |
60f067b4 JS |
182 | SD_BUS_PROPERTY("Persistent", "b", bus_property_get_bool, offsetof(Timer, persistent), SD_BUS_VTABLE_PROPERTY_CONST), |
183 | SD_BUS_PROPERTY("WakeSystem", "b", bus_property_get_bool, offsetof(Timer, wake_system), SD_BUS_VTABLE_PROPERTY_CONST), | |
db2df898 | 184 | SD_BUS_PROPERTY("RemainAfterElapse", "b", bus_property_get_bool, offsetof(Timer, remain_after_elapse), SD_BUS_VTABLE_PROPERTY_CONST), |
60f067b4 | 185 | SD_BUS_VTABLE_END |
663996b3 | 186 | }; |
f47781d8 MP |
187 | |
188 | static int bus_timer_set_transient_property( | |
189 | Timer *t, | |
190 | const char *name, | |
191 | sd_bus_message *message, | |
192 | UnitSetPropertiesMode mode, | |
193 | sd_bus_error *error) { | |
194 | ||
195 | int r; | |
196 | ||
197 | assert(t); | |
198 | assert(name); | |
199 | assert(message); | |
200 | ||
201 | if (STR_IN_SET(name, | |
202 | "OnActiveSec", | |
203 | "OnBootSec", | |
204 | "OnStartupSec", | |
205 | "OnUnitActiveSec", | |
206 | "OnUnitInactiveSec")) { | |
207 | ||
208 | TimerValue *v; | |
209 | TimerBase b = _TIMER_BASE_INVALID; | |
210 | usec_t u = 0; | |
211 | ||
212 | b = timer_base_from_string(name); | |
213 | if (b < 0) | |
214 | return -EINVAL; | |
215 | ||
216 | r = sd_bus_message_read(message, "t", &u); | |
217 | if (r < 0) | |
218 | return r; | |
219 | ||
220 | if (mode != UNIT_CHECK) { | |
221 | char time[FORMAT_TIMESPAN_MAX]; | |
222 | ||
5a920b42 | 223 | unit_write_drop_in_private_format(UNIT(t), mode, name, "%s=%s", name, format_timespan(time, sizeof(time), u, USEC_PER_MSEC)); |
f47781d8 MP |
224 | |
225 | v = new0(TimerValue, 1); | |
226 | if (!v) | |
227 | return -ENOMEM; | |
228 | ||
229 | v->base = b; | |
230 | v->value = u; | |
231 | ||
232 | LIST_PREPEND(value, t->values, v); | |
233 | } | |
234 | ||
235 | return 1; | |
236 | ||
237 | } else if (streq(name, "OnCalendar")) { | |
238 | ||
239 | TimerValue *v; | |
240 | CalendarSpec *c = NULL; | |
241 | const char *str; | |
242 | ||
243 | r = sd_bus_message_read(message, "s", &str); | |
244 | if (r < 0) | |
245 | return r; | |
246 | ||
247 | if (mode != UNIT_CHECK) { | |
248 | r = calendar_spec_from_string(str, &c); | |
249 | if (r < 0) | |
250 | return r; | |
251 | ||
5a920b42 | 252 | unit_write_drop_in_private_format(UNIT(t), mode, name, "%s=%s", name, str); |
f47781d8 MP |
253 | |
254 | v = new0(TimerValue, 1); | |
255 | if (!v) { | |
13d276d0 | 256 | calendar_spec_free(c); |
f47781d8 MP |
257 | return -ENOMEM; |
258 | } | |
259 | ||
260 | v->base = TIMER_CALENDAR; | |
261 | v->calendar_spec = c; | |
262 | ||
263 | LIST_PREPEND(value, t->values, v); | |
264 | } | |
265 | ||
266 | return 1; | |
267 | ||
4c89c718 | 268 | } else if (STR_IN_SET(name, "AccuracyUSec", "AccuracySec")) { |
f47781d8 MP |
269 | usec_t u = 0; |
270 | ||
4c89c718 MP |
271 | if (streq(name, "AccuracySec")) |
272 | log_notice("Client is using obsolete AccuracySec= transient property, please use AccuracyUSec= instead."); | |
273 | ||
f47781d8 MP |
274 | r = sd_bus_message_read(message, "t", &u); |
275 | if (r < 0) | |
276 | return r; | |
277 | ||
278 | if (mode != UNIT_CHECK) { | |
f47781d8 | 279 | t->accuracy_usec = u; |
5a920b42 | 280 | unit_write_drop_in_private_format(UNIT(t), mode, name, "AccuracySec=" USEC_FMT "us", u); |
4c89c718 MP |
281 | } |
282 | ||
283 | return 1; | |
284 | ||
285 | } else if (streq(name, "RandomizedDelayUSec")) { | |
286 | usec_t u = 0; | |
287 | ||
288 | r = sd_bus_message_read(message, "t", &u); | |
289 | if (r < 0) | |
290 | return r; | |
291 | ||
292 | if (mode != UNIT_CHECK) { | |
293 | t->random_usec = u; | |
5a920b42 | 294 | unit_write_drop_in_private_format(UNIT(t), mode, name, "RandomizedDelaySec=" USEC_FMT "us", u); |
f47781d8 MP |
295 | } |
296 | ||
297 | return 1; | |
298 | ||
299 | } else if (streq(name, "WakeSystem")) { | |
f47781d8 MP |
300 | int b; |
301 | ||
302 | r = sd_bus_message_read(message, "b", &b); | |
303 | if (r < 0) | |
304 | return r; | |
305 | ||
306 | if (mode != UNIT_CHECK) { | |
307 | t->wake_system = b; | |
5a920b42 | 308 | unit_write_drop_in_private_format(UNIT(t), mode, name, "%s=%s", name, yes_no(b)); |
f47781d8 MP |
309 | } |
310 | ||
311 | return 1; | |
312 | ||
db2df898 MP |
313 | } else if (streq(name, "RemainAfterElapse")) { |
314 | int b; | |
315 | ||
316 | r = sd_bus_message_read(message, "b", &b); | |
317 | if (r < 0) | |
318 | return r; | |
319 | ||
320 | if (mode != UNIT_CHECK) { | |
321 | t->remain_after_elapse = b; | |
5a920b42 | 322 | unit_write_drop_in_private_format(UNIT(t), mode, name, "%s=%s", name, yes_no(b)); |
db2df898 MP |
323 | } |
324 | ||
325 | return 1; | |
f47781d8 MP |
326 | } |
327 | ||
328 | return 0; | |
329 | } | |
330 | ||
331 | int bus_timer_set_property( | |
332 | Unit *u, | |
333 | const char *name, | |
334 | sd_bus_message *message, | |
335 | UnitSetPropertiesMode mode, | |
336 | sd_bus_error *error) { | |
337 | ||
338 | Timer *t = TIMER(u); | |
339 | int r; | |
340 | ||
341 | assert(t); | |
342 | assert(name); | |
343 | assert(message); | |
344 | ||
345 | if (u->transient && u->load_state == UNIT_STUB) { | |
346 | r = bus_timer_set_transient_property(t, name, message, mode, error); | |
347 | if (r != 0) | |
348 | return r; | |
349 | } | |
350 | ||
351 | return 0; | |
352 | } |