1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
|
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
*
* Copyright (C) 2008 David Zeuthen <davidz@redhat.com>
* Copyright (C) 2008 Richard Hughes <richard@hughsie.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "config.h"
#include <string.h>
#include <stdlib.h>
#include <glib.h>
#include <glib/gi18n-lib.h>
#include <glib-object.h>
#include "up-config.h"
#include "up-constants.h"
#include "up-polkit.h"
#include "up-device-list.h"
#include "up-device.h"
#include "up-backend.h"
#include "up-daemon.h"
struct UpDaemonPrivate
{
UpConfig *config;
gboolean debug;
UpPolkit *polkit;
UpBackend *backend;
UpDeviceList *power_devices;
guint action_timeout_id;
guint refresh_batteries_id;
guint warning_level_id;
gboolean poll_paused;
GSource *poll_source;
int critical_action_lock_fd;
/* Display battery properties */
UpDevice *display_device;
UpDeviceKind kind;
UpDeviceState state;
gdouble percentage;
gdouble energy;
gdouble energy_full;
gdouble energy_rate;
gint64 time_to_empty;
gint64 time_to_full;
/* WarningLevel configuration */
gboolean use_percentage_for_policy;
gdouble low_percentage;
gdouble critical_percentage;
gdouble action_percentage;
guint low_time;
guint critical_time;
guint action_time;
/* environment variable override */
const char *state_dir_override;
};
static void up_daemon_finalize (GObject *object);
static gboolean up_daemon_get_on_battery_local (UpDaemon *daemon);
static UpDeviceLevel up_daemon_get_warning_level_local(UpDaemon *daemon);
static void up_daemon_update_warning_level (UpDaemon *daemon);
static gboolean up_daemon_get_on_ac_local (UpDaemon *daemon, gboolean *has_ac);
G_DEFINE_TYPE_WITH_PRIVATE (UpDaemon, up_daemon, UP_TYPE_EXPORTED_DAEMON_SKELETON)
#define UP_DAEMON_ACTION_DELAY 20 /* seconds */
#define UP_INTERFACE_PREFIX "org.freedesktop.UPower."
/**
* up_daemon_get_on_battery_local:
*
* As soon as _any_ battery goes discharging, this is true
**/
static gboolean
up_daemon_get_on_battery_local (UpDaemon *daemon)
{
/* Use the cached composite state cached from the display device */
return daemon->priv->state == UP_DEVICE_STATE_DISCHARGING;
}
/**
* up_daemon_get_number_devices_of_type:
**/
guint
up_daemon_get_number_devices_of_type (UpDaemon *daemon, UpDeviceKind type)
{
guint i;
UpDevice *device;
GPtrArray *array;
UpDeviceKind type_tmp;
guint count = 0;
/* ask each device */
array = up_device_list_get_array (daemon->priv->power_devices);
for (i=0; i<array->len; i++) {
device = (UpDevice *) g_ptr_array_index (array, i);
g_object_get (device,
"type", &type_tmp,
NULL);
if (type == type_tmp &&
up_device_get_object_path (device) != NULL)
count++;
}
g_ptr_array_unref (array);
return count;
}
/**
* up_daemon_update_display_battery:
*
* Update our internal state.
*
* Returns: %TRUE if the state changed.
**/
static gboolean
up_daemon_update_display_battery (UpDaemon *daemon)
{
guint i;
GPtrArray *array;
UpDeviceKind kind_total = UP_DEVICE_KIND_UNKNOWN;
/* Abuse LAST to know if any battery had a state. */
UpDeviceState state_total = UP_DEVICE_STATE_LAST;
gdouble percentage_total = 0.0;
gdouble energy_total = 0.0;
gdouble energy_full_total = 0.0;
gdouble energy_rate_total = 0.0;
gint64 time_to_empty_total = 0;
gint64 time_to_full_total = 0;
gboolean is_present_total = FALSE;
guint num_batteries = 0;
/* Gather state from each device */
array = up_device_list_get_array (daemon->priv->power_devices);
for (i = 0; i < array->len; i++) {
UpDevice *device;
UpDeviceState state = UP_DEVICE_STATE_UNKNOWN;
UpDeviceKind kind = UP_DEVICE_KIND_UNKNOWN;
gdouble percentage = 0.0;
gdouble energy = 0.0;
gdouble energy_full = 0.0;
gdouble energy_rate = 0.0;
gint64 time_to_empty = 0;
gint64 time_to_full = 0;
gboolean power_supply = FALSE;
device = g_ptr_array_index (array, i);
g_object_get (device,
"type", &kind,
"state", &state,
"percentage", &percentage,
"energy", &energy,
"energy-full", &energy_full,
"energy-rate", &energy_rate,
"time-to-empty", &time_to_empty,
"time-to-full", &time_to_full,
"power-supply", &power_supply,
NULL);
/* When we have a UPS, it's either a desktop, and
* has no batteries, or a laptop, in which case we
* ignore the batteries */
if (kind == UP_DEVICE_KIND_UPS) {
kind_total = kind;
state_total = state;
energy_total = energy;
energy_full_total = energy_full;
energy_rate_total = energy_rate;
time_to_empty_total = time_to_empty;
time_to_full_total = time_to_full;
percentage_total = percentage;
is_present_total = TRUE;
break;
}
if (kind != UP_DEVICE_KIND_BATTERY ||
power_supply == FALSE)
continue;
/*
* If one battery is charging, the composite is charging
* If one batteries is discharging, the composite is discharging
* If one battery is unknown, and we don't have a charging/discharging state otherwise, mark unknown
* If one battery is pending-charge and no other is charging or discharging, then the composite is pending-charge
* If all batteries are fully charged, the composite is fully charged
* If all batteries are empty, the composite is empty
* Everything else is unknown
*/
/* Keep a charging/discharging state (warn about conflict) */
if (state_total == UP_DEVICE_STATE_CHARGING || state_total == UP_DEVICE_STATE_DISCHARGING) {
if (state != state_total && (state == UP_DEVICE_STATE_CHARGING || state == UP_DEVICE_STATE_DISCHARGING))
g_warning ("Conflicting charge/discharge state between batteries!");
} else if (state == UP_DEVICE_STATE_CHARGING)
state_total = UP_DEVICE_STATE_CHARGING;
else if (state == UP_DEVICE_STATE_DISCHARGING)
state_total = UP_DEVICE_STATE_DISCHARGING;
else if (state == UP_DEVICE_STATE_UNKNOWN)
state_total = UP_DEVICE_STATE_UNKNOWN;
else if (state == UP_DEVICE_STATE_PENDING_CHARGE)
state_total = UP_DEVICE_STATE_PENDING_CHARGE;
else if (state == UP_DEVICE_STATE_FULLY_CHARGED &&
(state_total == UP_DEVICE_STATE_FULLY_CHARGED || state_total == UP_DEVICE_STATE_LAST))
state_total = UP_DEVICE_STATE_FULLY_CHARGED;
else if (state == UP_DEVICE_STATE_EMPTY &&
(state_total == UP_DEVICE_STATE_EMPTY || state_total == UP_DEVICE_STATE_LAST))
state_total = UP_DEVICE_STATE_EMPTY;
else
state_total = UP_DEVICE_STATE_UNKNOWN;
/* sum up composite */
kind_total = UP_DEVICE_KIND_BATTERY;
is_present_total = TRUE;
energy_total += energy;
energy_full_total += energy_full;
energy_rate_total += energy_rate;
time_to_empty_total += time_to_empty;
time_to_full_total += time_to_full;
/* Will be recalculated for multiple batteries, no worries */
percentage_total += percentage;
num_batteries++;
}
/* Handle multiple batteries */
if (num_batteries <= 1)
goto out;
g_debug ("Calculating percentage and time to full/to empty for %i batteries", num_batteries);
/* use percentage weighted for each battery capacity
* fall back to averaging the batteries.
* ASSUMPTION: If one battery has energy data, then all batteries do
*/
if (energy_full_total > 0.0)
percentage_total = 100.0 * energy_total / energy_full_total;
else
percentage_total = percentage_total / num_batteries;
out:
g_ptr_array_unref (array);
/* No battery means LAST state. If we have an UNKNOWN state (with
* a battery) then try to infer one. */
if (state_total == UP_DEVICE_STATE_LAST) {
state_total = UP_DEVICE_STATE_UNKNOWN;
} else if (state_total == UP_DEVICE_STATE_UNKNOWN) {
gboolean has_ac, ac_online;
ac_online = up_daemon_get_on_ac_local (daemon, &has_ac);
if (has_ac && ac_online) {
if (percentage_total >= UP_FULLY_CHARGED_THRESHOLD)
state_total = UP_DEVICE_STATE_FULLY_CHARGED;
else
state_total = UP_DEVICE_STATE_CHARGING;
} else {
if (percentage_total < 1.0f)
state_total = UP_DEVICE_STATE_EMPTY;
else
state_total = UP_DEVICE_STATE_DISCHARGING;
}
}
/* calculate a quick and dirty time remaining value
* NOTE: Keep in sync with per-battery estimation code! */
if (energy_rate_total > 0) {
if (state_total == UP_DEVICE_STATE_DISCHARGING)
time_to_empty_total = SECONDS_PER_HOUR * (energy_total / energy_rate_total);
else if (state_total == UP_DEVICE_STATE_CHARGING)
time_to_full_total = SECONDS_PER_HOUR * ((energy_full_total - energy_total) / energy_rate_total);
}
/* Did anything change? */
if (daemon->priv->kind == kind_total &&
daemon->priv->state == state_total &&
daemon->priv->energy == energy_total &&
daemon->priv->energy_full == energy_full_total &&
daemon->priv->energy_rate == energy_rate_total &&
daemon->priv->time_to_empty == time_to_empty_total &&
daemon->priv->time_to_full == time_to_full_total &&
daemon->priv->percentage == percentage_total)
return FALSE;
daemon->priv->kind = kind_total;
daemon->priv->state = state_total;
daemon->priv->energy = energy_total;
daemon->priv->energy_full = energy_full_total;
daemon->priv->energy_rate = energy_rate_total;
daemon->priv->time_to_empty = time_to_empty_total;
daemon->priv->time_to_full = time_to_full_total;
daemon->priv->percentage = percentage_total;
g_object_set (daemon->priv->display_device,
"type", kind_total,
"state", state_total,
"energy", energy_total,
"energy-full", energy_full_total,
"energy-rate", energy_rate_total,
"time-to-empty", time_to_empty_total,
"time-to-full", time_to_full_total,
"percentage", percentage_total,
"is-present", is_present_total,
"power-supply", TRUE,
"update-time", (guint64) g_get_real_time () / G_USEC_PER_SEC,
NULL);
return TRUE;
}
/**
* up_daemon_get_warning_level_local:
*
* As soon as _all_ batteries are low, this is true
**/
static UpDeviceLevel
up_daemon_get_warning_level_local (UpDaemon *daemon)
{
if (daemon->priv->kind != UP_DEVICE_KIND_UPS &&
daemon->priv->kind != UP_DEVICE_KIND_BATTERY)
return UP_DEVICE_LEVEL_NONE;
if (daemon->priv->kind == UP_DEVICE_KIND_UPS &&
daemon->priv->state != UP_DEVICE_STATE_DISCHARGING)
return UP_DEVICE_LEVEL_NONE;
/* Check to see if the batteries have not noticed we are on AC */
if (daemon->priv->kind == UP_DEVICE_KIND_BATTERY &&
up_daemon_get_on_ac_local (daemon, NULL))
return UP_DEVICE_LEVEL_NONE;
return up_daemon_compute_warning_level (daemon,
daemon->priv->state,
daemon->priv->kind,
TRUE, /* power_supply */
daemon->priv->percentage,
daemon->priv->time_to_empty);
}
/**
* up_daemon_get_on_ac_local:
*
* As soon as _any_ ac supply goes online, this is true
**/
static gboolean
up_daemon_get_on_ac_local (UpDaemon *daemon, gboolean *has_ac)
{
guint i;
gboolean ret;
gboolean result = FALSE;
gboolean online;
UpDevice *device;
GPtrArray *array;
if (has_ac)
*has_ac = FALSE;
/* ask each device */
array = up_device_list_get_array (daemon->priv->power_devices);
for (i=0; i<array->len; i++) {
device = (UpDevice *) g_ptr_array_index (array, i);
ret = up_device_get_online (device, &online);
if (has_ac && ret)
*has_ac = TRUE;
if (ret && online) {
result = TRUE;
break;
}
}
g_ptr_array_unref (array);
return result;
}
static gboolean
up_daemon_refresh_battery_devices_idle (UpDaemon *daemon)
{
guint i;
GPtrArray *array;
UpDevice *device;
/* refresh all devices in array */
array = up_device_list_get_array (daemon->priv->power_devices);
for (i=0; i<array->len; i++) {
UpDeviceKind type;
gboolean power_supply;
device = (UpDevice *) g_ptr_array_index (array, i);
/* only refresh battery devices */
g_object_get (device,
"type", &type,
"power-supply", &power_supply,
NULL);
if (type == UP_DEVICE_KIND_BATTERY &&
power_supply)
up_device_refresh_internal (device, UP_REFRESH_LINE_POWER);
}
g_ptr_array_unref (array);
daemon->priv->refresh_batteries_id = 0;
return G_SOURCE_REMOVE;
}
static void
up_daemon_refresh_battery_devices (UpDaemon *daemon)
{
if (daemon->priv->refresh_batteries_id)
return;
daemon->priv->refresh_batteries_id = g_idle_add ((GSourceFunc) up_daemon_refresh_battery_devices_idle, daemon);
}
/**
* up_daemon_enumerate_devices:
**/
static gboolean
up_daemon_enumerate_devices (UpExportedDaemon *skeleton,
GDBusMethodInvocation *invocation,
UpDaemon *daemon)
{
guint i;
GPtrArray *array;
GPtrArray *object_paths;
UpDevice *device;
/* build a pointer array of the object paths */
object_paths = g_ptr_array_new_with_free_func (g_free);
array = up_device_list_get_array (daemon->priv->power_devices);
for (i = 0; i < array->len; i++) {
const char *object_path;
device = (UpDevice *) g_ptr_array_index (array, i);
object_path = up_device_get_object_path (device);
if (object_path != NULL)
g_ptr_array_add (object_paths, g_strdup (object_path));
}
g_ptr_array_unref (array);
g_ptr_array_add (object_paths, NULL);
/* return it on the bus */
up_exported_daemon_complete_enumerate_devices (skeleton, invocation,
(const gchar **) object_paths->pdata);
/* free */
g_ptr_array_unref (object_paths);
return TRUE;
}
/**
* up_daemon_get_display_device:
**/
static gboolean
up_daemon_get_display_device (UpExportedDaemon *skeleton,
GDBusMethodInvocation *invocation,
UpDaemon *daemon)
{
up_exported_daemon_complete_get_display_device (skeleton, invocation,
up_device_get_object_path (daemon->priv->display_device));
return TRUE;
}
/**
* up_daemon_get_critical_action:
**/
static gboolean
up_daemon_get_critical_action (UpExportedDaemon *skeleton,
GDBusMethodInvocation *invocation,
UpDaemon *daemon)
{
up_exported_daemon_complete_get_critical_action (skeleton, invocation,
up_backend_get_critical_action (daemon->priv->backend));
return TRUE;
}
/**
* up_daemon_register_power_daemon:
**/
static gboolean
up_daemon_register_power_daemon (UpDaemon *daemon,
GDBusConnection *connection)
{
GError *error = NULL;
/* export our interface on the bus */
g_dbus_interface_skeleton_export (G_DBUS_INTERFACE_SKELETON (daemon),
connection,
"/org/freedesktop/UPower",
&error);
if (error != NULL) {
g_critical ("error registering daemon on system bus: %s", error->message);
g_error_free (error);
return FALSE;
}
/* Register the display device */
g_initable_init (G_INITABLE (daemon->priv->display_device), NULL, NULL);
return TRUE;
}
/**
* up_daemon_startup:
**/
gboolean
up_daemon_startup (UpDaemon *daemon,
GDBusConnection *connection)
{
gboolean ret;
UpDaemonPrivate *priv = daemon->priv;
/* register on bus */
ret = up_daemon_register_power_daemon (daemon, connection);
if (!ret) {
g_warning ("failed to register");
goto out;
}
g_debug ("daemon now coldplug");
/* coldplug backend backend */
ret = up_backend_coldplug (priv->backend, daemon);
if (!ret) {
g_warning ("failed to coldplug backend");
goto out;
}
/* get battery state */
up_daemon_update_warning_level (daemon);
/* Run mainloop now to avoid state changes on DBus */
while (g_main_context_iteration (NULL, FALSE)) { }
g_debug ("daemon now not coldplug");
out:
return ret;
}
/**
* up_daemon_shutdown:
*
* Stop the daemon, release all devices and resources.
**/
void
up_daemon_shutdown (UpDaemon *daemon)
{
/* stop accepting new devices and clear backend state */
up_backend_unplug (daemon->priv->backend);
/* forget about discovered devices */
up_device_list_clear (daemon->priv->power_devices);
/* release UpDaemon reference */
g_object_run_dispose (G_OBJECT (daemon->priv->display_device));
}
/**
* up_daemon_get_device_list:
**/
UpDeviceList *
up_daemon_get_device_list (UpDaemon *daemon)
{
return g_object_ref (daemon->priv->power_devices);
}
/**
* up_daemon_set_lid_is_closed:
**/
void
up_daemon_set_lid_is_closed (UpDaemon *daemon, gboolean lid_is_closed)
{
UpDaemonPrivate *priv = daemon->priv;
/* check if we are ignoring the lid */
if (up_config_get_boolean (priv->config, "IgnoreLid")) {
g_debug ("ignoring lid state");
return;
}
g_debug ("lid_is_closed = %s", lid_is_closed ? "yes" : "no");
up_exported_daemon_set_lid_is_closed (UP_EXPORTED_DAEMON (daemon), lid_is_closed);
}
/**
* up_daemon_set_lid_is_present:
**/
void
up_daemon_set_lid_is_present (UpDaemon *daemon, gboolean lid_is_present)
{
UpDaemonPrivate *priv = daemon->priv;
/* check if we are ignoring the lid */
if (up_config_get_boolean (priv->config, "IgnoreLid")) {
g_debug ("ignoring lid state");
return;
}
g_debug ("lid_is_present = %s", lid_is_present ? "yes" : "no");
up_exported_daemon_set_lid_is_present (UP_EXPORTED_DAEMON (daemon), lid_is_present);
}
/**
* up_daemon_set_on_battery:
**/
void
up_daemon_set_on_battery (UpDaemon *daemon, gboolean on_battery)
{
g_debug ("on_battery = %s", on_battery ? "yes" : "no");
up_exported_daemon_set_on_battery (UP_EXPORTED_DAEMON (daemon), on_battery);
}
static gboolean
take_action_timeout_cb (UpDaemon *daemon)
{
/* Release the inhibitor lock first, otherwise our action may be canceled */
if (daemon->priv->critical_action_lock_fd >= 0) {
close (daemon->priv->critical_action_lock_fd);
daemon->priv->critical_action_lock_fd = -1;
}
up_backend_take_action (daemon->priv->backend);
g_debug ("Backend was notified to take action. The timeout will be removed.");
daemon->priv->action_timeout_id = 0;
return G_SOURCE_REMOVE;
}
/**
* up_daemon_set_warning_level:
**/
void
up_daemon_set_warning_level (UpDaemon *daemon, UpDeviceLevel warning_level)
{
UpDeviceLevel old_level;
g_object_get (G_OBJECT (daemon->priv->display_device),
"warning-level", &old_level,
NULL);
if (old_level == warning_level)
return;
g_debug ("warning_level = %s", up_device_level_to_string (warning_level));
g_object_set (G_OBJECT (daemon->priv->display_device),
"warning-level", warning_level,
"update-time", (guint64) g_get_real_time () / G_USEC_PER_SEC,
NULL);
if (warning_level == UP_DEVICE_LEVEL_ACTION) {
if (daemon->priv->action_timeout_id == 0) {
g_assert (daemon->priv->critical_action_lock_fd == -1);
g_debug ("About to take action in %d seconds", UP_DAEMON_ACTION_DELAY);
daemon->priv->critical_action_lock_fd = up_backend_inhibitor_lock_take (daemon->priv->backend, "Execute critical action", "block");
daemon->priv->action_timeout_id = g_timeout_add_seconds (UP_DAEMON_ACTION_DELAY,
(GSourceFunc) take_action_timeout_cb,
daemon);
g_source_set_name_by_id (daemon->priv->action_timeout_id, "[upower] take_action_timeout_cb");
} else {
g_debug ("Not taking action, timeout id already set");
}
} else {
if (daemon->priv->action_timeout_id > 0) {
g_debug ("Removing timeout as action level changed");
g_clear_handle_id (&daemon->priv->action_timeout_id, g_source_remove);
}
if (daemon->priv->critical_action_lock_fd >= 0) {
close (daemon->priv->critical_action_lock_fd);
daemon->priv->critical_action_lock_fd = -1;
}
}
}
UpDeviceLevel
up_daemon_compute_warning_level (UpDaemon *daemon,
UpDeviceState state,
UpDeviceKind kind,
gboolean power_supply,
gdouble percentage,
gint64 time_to_empty)
{
gboolean use_percentage = TRUE;
UpDeviceLevel default_level = UP_DEVICE_LEVEL_NONE;
if (state != UP_DEVICE_STATE_DISCHARGING)
return UP_DEVICE_LEVEL_NONE;
/* Keyboard and mice usually have a coarser
* battery level, so this avoids falling directly
* into critical (or off) before any warnings */
if (kind == UP_DEVICE_KIND_MOUSE ||
kind == UP_DEVICE_KIND_KEYBOARD ||
kind == UP_DEVICE_KIND_TOUCHPAD) {
if (percentage <= 5.0f)
return UP_DEVICE_LEVEL_CRITICAL;
else if (percentage <= 10.0f)
return UP_DEVICE_LEVEL_LOW;
else
return UP_DEVICE_LEVEL_NONE;
} else if (kind == UP_DEVICE_KIND_UPS) {
default_level = UP_DEVICE_LEVEL_DISCHARGING;
}
if (power_supply &&
!daemon->priv->use_percentage_for_policy &&
time_to_empty > 0.0)
use_percentage = FALSE;
if (use_percentage) {
if (percentage > daemon->priv->low_percentage)
return default_level;
if (percentage > daemon->priv->critical_percentage)
return UP_DEVICE_LEVEL_LOW;
if (percentage > daemon->priv->action_percentage)
return UP_DEVICE_LEVEL_CRITICAL;
return UP_DEVICE_LEVEL_ACTION;
} else {
if (time_to_empty > daemon->priv->low_time)
return default_level;
if (time_to_empty > daemon->priv->critical_time)
return UP_DEVICE_LEVEL_LOW;
if (time_to_empty > daemon->priv->action_time)
return UP_DEVICE_LEVEL_CRITICAL;
return UP_DEVICE_LEVEL_ACTION;
}
g_assert_not_reached ();
}
static gboolean
up_daemon_update_warning_level_idle (UpDaemon *daemon)
{
gboolean ret;
UpDeviceLevel warning_level;
up_daemon_update_display_battery (daemon);
/* Check if the on_battery and warning_level state has changed */
ret = (up_daemon_get_on_battery_local (daemon) && !up_daemon_get_on_ac_local (daemon, NULL));
up_daemon_set_on_battery (daemon, ret);
warning_level = up_daemon_get_warning_level_local (daemon);
up_daemon_set_warning_level (daemon, warning_level);
daemon->priv->warning_level_id = 0;
return G_SOURCE_REMOVE;
}
static void
up_daemon_update_warning_level (UpDaemon *daemon)
{
if (daemon->priv->warning_level_id)
return;
daemon->priv->warning_level_id = g_idle_add ((GSourceFunc) up_daemon_update_warning_level_idle, daemon);
}
const gchar *
up_daemon_get_charge_icon (UpDaemon *daemon,
gdouble percentage,
UpDeviceLevel battery_level,
gboolean charging)
{
if (battery_level == UP_DEVICE_LEVEL_NONE && daemon != NULL) {
if (percentage <= daemon->priv->low_percentage)
return charging ? "battery-caution-charging-symbolic" : "battery-caution-symbolic";
else if (percentage < 30)
return charging ? "battery-low-charging-symbolic" : "battery-low-symbolic";
else if (percentage < 60)
return charging ? "battery-good-charging-symbolic" : "battery-good-symbolic";
return charging ? "battery-full-charging-symbolic" : "battery-full-symbolic";
} else {
switch (battery_level) {
case UP_DEVICE_LEVEL_UNKNOWN:
/* The lack of symmetry is on purpose */
return charging ? "battery-good-charging-symbolic" : "battery-caution-symbolic";
case UP_DEVICE_LEVEL_LOW:
case UP_DEVICE_LEVEL_CRITICAL:
return charging ? "battery-caution-charging-symbolic" : "battery-caution-symbolic";
case UP_DEVICE_LEVEL_NORMAL:
return charging ? "battery-low-charging-symbolic" : "battery-low-symbolic";
case UP_DEVICE_LEVEL_HIGH:
return charging ? "battery-good-charging-symbolic" : "battery-good-symbolic";
case UP_DEVICE_LEVEL_FULL:
return charging ? "battery-full-charging-symbolic" : "battery-full-symbolic";
default:
g_assert_not_reached ();
}
}
}
/**
* up_daemon_polkit_is_allowed:
**/
gboolean
up_daemon_polkit_is_allowed (UpDaemon *daemon, const gchar *action_id, GDBusMethodInvocation *invocation)
{
#ifdef HAVE_POLKIT
g_autoptr (PolkitSubject) subject = NULL;
g_autoptr (GError) error = NULL;
subject = up_polkit_get_subject (daemon->priv->polkit, invocation);
if (subject == NULL) {
g_debug ("Can't get sender subject");
return FALSE;
}
if (!up_polkit_is_allowed (daemon->priv->polkit, subject, action_id, &error)) {
if (error != NULL)
g_debug ("Error on Polkit check authority: %s", error->message);
return FALSE;
}
#endif
return TRUE;
}
/**
* up_daemon_device_changed_cb:
**/
static void
up_daemon_device_changed_cb (UpDevice *device, GParamSpec *pspec, UpDaemon *daemon)
{
UpDeviceKind type;
const char *prop;
g_return_if_fail (UP_IS_DAEMON (daemon));
g_return_if_fail (UP_IS_DEVICE (device));
prop = g_param_spec_get_name (pspec);
if (!daemon->priv->poll_paused &&
((g_strcmp0 (prop, "poll-timeout") == 0) ||
(g_strcmp0 (prop, "last-refresh") == 0))) {
g_source_set_ready_time (daemon->priv->poll_source, 0);
return;
}
/* refresh battery devices when AC state changes */
g_object_get (device,
"type", &type,
NULL);
if (type == UP_DEVICE_KIND_LINE_POWER && g_strcmp0 (prop, "online") == 0) {
/* refresh now */
up_daemon_refresh_battery_devices (daemon);
}
up_daemon_update_warning_level (daemon);
}
static gboolean
up_daemon_poll_dispatch (GSource *source, GSourceFunc callback, gpointer user_data)
{
UpDaemon *daemon = UP_DAEMON (user_data);
UpDaemonPrivate *priv = daemon->priv;
g_autoptr(GPtrArray) array = NULL;
guint i;
UpDevice *device;
gint64 ready_time = G_MAXINT64;
gint64 now = g_source_get_time (priv->poll_source);
gint max_dispatch_timeout = 0;
g_source_set_ready_time (priv->poll_source, -1);
g_assert (callback == NULL);
if (daemon->priv->poll_paused)
return G_SOURCE_CONTINUE;
/* Find the earliest device that needs a refresh. */
array = up_device_list_get_array (priv->power_devices);
for (i = 0; i < array->len; i += 1) {
gint timeout;
gint64 last_refresh;
gint64 poll_time;
gint64 dispatch_time;
device = (UpDevice *) g_ptr_array_index (array, i);
g_object_get (device,
"poll-timeout", &timeout,
"last-refresh", &last_refresh,
NULL);
if (timeout <= 0)
continue;
poll_time = last_refresh + timeout * G_USEC_PER_SEC;
/* Allow dispatching early if another device got dispatched.
* i.e. device polling will synchronize eventually.
*/
dispatch_time = poll_time - MIN(timeout, max_dispatch_timeout) * G_USEC_PER_SEC / 2;
if (now >= dispatch_time) {
g_debug ("up_daemon_poll_dispatch: refreshing %s", up_exported_device_get_native_path (UP_EXPORTED_DEVICE (device)));
up_device_refresh_internal (device, UP_REFRESH_POLL);
max_dispatch_timeout = MAX(max_dispatch_timeout, timeout);
/* We'll wake up again immediately and then
* calculate the correct time to re-poll. */
}
ready_time = MIN(ready_time, poll_time);
}
if (ready_time == G_MAXINT64)
ready_time = -1;
/* Set the ready time (if it was not modified externally) */
if (g_source_get_ready_time (priv->poll_source) == -1)
g_source_set_ready_time (priv->poll_source, ready_time);
return G_SOURCE_CONTINUE;
}
GSourceFuncs poll_source_funcs = {
.prepare = NULL,
.check = NULL,
.dispatch = up_daemon_poll_dispatch,
.finalize = NULL,
};
/**
* up_daemon_pause_poll:
*
* Pause, i.e. stop, all registered poll sources. They can be
* restarted via up_daemon_resume_poll().
**/
void
up_daemon_pause_poll (UpDaemon *daemon)
{
g_debug ("Polling will be paused");
daemon->priv->poll_paused = TRUE;
}
/**
* up_daemon_resume_poll:
*
* Resume all poll sources; the timeout will be recalculated.
**/
void
up_daemon_resume_poll (UpDaemon *daemon)
{
g_debug ("Polling will be resumed");
daemon->priv->poll_paused = FALSE;
g_source_set_ready_time (daemon->priv->poll_source, 0);
}
void
up_daemon_set_debug (UpDaemon *daemon,
gboolean debug)
{
daemon->priv->debug = debug;
}
gboolean
up_daemon_get_debug (UpDaemon *daemon)
{
return daemon->priv->debug;
}
/**
* up_daemon_get_state_dir_env_override:
*
* Get UPOWER_STATE_DIR environment variable.
**/
const gchar *
up_daemon_get_state_dir_env_override (UpDaemon *daemon)
{
return daemon->priv->state_dir_override;
}
static void
up_daemon_get_env_override (UpDaemon *self)
{
self->priv->state_dir_override = g_getenv ("UPOWER_STATE_DIR");
}
/**
* up_daemon_device_added_cb:
**/
static void
up_daemon_device_added_cb (UpBackend *backend, UpDevice *device, UpDaemon *daemon)
{
const gchar *object_path;
UpDaemonPrivate *priv = daemon->priv;
g_return_if_fail (UP_IS_DAEMON (daemon));
g_return_if_fail (UP_IS_DEVICE (device));
/* add to device list */
up_device_list_insert (priv->power_devices, device);
/* connect, so we get changes */
g_signal_connect (device, "notify",
G_CALLBACK (up_daemon_device_changed_cb), daemon);
/* emit */
object_path = up_device_get_object_path (device);
if (object_path == NULL) {
g_debug ("Device %s was unregistered before it was on the bus",
up_exported_device_get_native_path (UP_EXPORTED_DEVICE (device)));
return;
}
/* Ensure we poll the new device if needed */
g_source_set_ready_time (daemon->priv->poll_source, 0);
g_debug ("emitting added: %s", object_path);
up_daemon_update_warning_level (daemon);
up_exported_daemon_emit_device_added (UP_EXPORTED_DAEMON (daemon), object_path);
}
/**
* up_daemon_device_removed_cb:
**/
static void
up_daemon_device_removed_cb (UpBackend *backend, UpDevice *device, UpDaemon *daemon)
{
const gchar *object_path;
UpDaemonPrivate *priv = daemon->priv;
g_return_if_fail (UP_IS_DAEMON (daemon));
g_return_if_fail (UP_IS_DEVICE (device));
g_signal_handlers_disconnect_by_data (device, daemon);
/* remove from list (device remains valid during the function call) */
up_device_list_remove (priv->power_devices, device);
/* emit */
object_path = up_device_get_object_path (device);
/* don't crash the session */
if (object_path == NULL) {
g_debug ("not emitting device-removed for unregistered device: %s",
up_exported_device_get_native_path (UP_EXPORTED_DEVICE (device)));
return;
}
g_debug ("emitting device-removed: %s", object_path);
up_exported_daemon_emit_device_removed (UP_EXPORTED_DAEMON (daemon), object_path);
/* In case a battery was removed */
up_daemon_refresh_battery_devices (daemon);
up_daemon_update_warning_level (daemon);
}
#define LOAD_OR_DEFAULT(val, str, def) val = (load_default ? def : up_config_get_uint (daemon->priv->config, str))
#define LOAD_OR_DEFAULT_DOUBLE(val, str, def) val = (load_default ? def : up_config_get_double (daemon->priv->config, str))
static void
load_percentage_policy (UpDaemon *daemon,
gboolean load_default)
{
LOAD_OR_DEFAULT_DOUBLE (daemon->priv->low_percentage, "PercentageLow", 20.0);
LOAD_OR_DEFAULT_DOUBLE (daemon->priv->critical_percentage, "PercentageCritical", 5.0);
LOAD_OR_DEFAULT_DOUBLE (daemon->priv->action_percentage, "PercentageAction", 2.0);
}
static void
load_time_policy (UpDaemon *daemon,
gboolean load_default)
{
LOAD_OR_DEFAULT (daemon->priv->low_time, "TimeLow", 1200);
LOAD_OR_DEFAULT (daemon->priv->critical_time, "TimeCritical", 300);
LOAD_OR_DEFAULT (daemon->priv->action_time, "TimeAction", 120);
}
#define IS_DESCENDING(x, y, z) (x > y && y > z)
static void
policy_config_validate (UpDaemon *daemon)
{
if (daemon->priv->low_percentage >= 100.0 ||
daemon->priv->critical_percentage >= 100.0 ||
daemon->priv->action_percentage >= 100.0) {
load_percentage_policy (daemon, TRUE);
} else if (!IS_DESCENDING (daemon->priv->low_percentage,
daemon->priv->critical_percentage,
daemon->priv->action_percentage)) {
load_percentage_policy (daemon, TRUE);
}
if (!IS_DESCENDING (daemon->priv->low_time,
daemon->priv->critical_time,
daemon->priv->action_time)) {
load_time_policy (daemon, TRUE);
}
}
/**
* up_daemon_init:
**/
static void
up_daemon_init (UpDaemon *daemon)
{
daemon->priv = up_daemon_get_instance_private (daemon);
daemon->priv->critical_action_lock_fd = -1;
daemon->priv->polkit = up_polkit_new ();
daemon->priv->config = up_config_new ();
daemon->priv->power_devices = up_device_list_new ();
daemon->priv->display_device = up_device_new (daemon, NULL);
daemon->priv->poll_source = g_source_new (&poll_source_funcs, sizeof (GSource));
g_source_set_callback (daemon->priv->poll_source, NULL, daemon, NULL);
g_source_set_name (daemon->priv->poll_source, "up-device-poll");
g_source_attach (daemon->priv->poll_source, NULL);
/* g_source_destroy removes the last reference */
g_source_unref (daemon->priv->poll_source);
daemon->priv->use_percentage_for_policy = up_config_get_boolean (daemon->priv->config, "UsePercentageForPolicy");
load_percentage_policy (daemon, FALSE);
load_time_policy (daemon, FALSE);
policy_config_validate (daemon);
up_daemon_get_env_override (daemon);
daemon->priv->backend = up_backend_new ();
g_signal_connect (daemon->priv->backend, "device-added",
G_CALLBACK (up_daemon_device_added_cb), daemon);
g_signal_connect (daemon->priv->backend, "device-removed",
G_CALLBACK (up_daemon_device_removed_cb), daemon);
up_exported_daemon_set_daemon_version (UP_EXPORTED_DAEMON (daemon), PACKAGE_VERSION);
g_signal_connect (daemon, "handle-enumerate-devices",
G_CALLBACK (up_daemon_enumerate_devices), daemon);
g_signal_connect (daemon, "handle-get-critical-action",
G_CALLBACK (up_daemon_get_critical_action), daemon);
g_signal_connect (daemon, "handle-get-display-device",
G_CALLBACK (up_daemon_get_display_device), daemon);
}
static const GDBusErrorEntry up_daemon_error_entries[] = {
{ UP_DAEMON_ERROR_GENERAL, UP_INTERFACE_PREFIX "GeneralError" },
{ UP_DAEMON_ERROR_NOT_SUPPORTED, UP_INTERFACE_PREFIX "NotSupported" },
{ UP_DAEMON_ERROR_NO_SUCH_DEVICE, UP_INTERFACE_PREFIX "NoSuchDevice" },
};
/**
* up_daemon_error_quark:
**/
GQuark
up_daemon_error_quark (void)
{
static volatile gsize quark_volatile = 0;
g_dbus_error_register_error_domain ("up_daemon_error",
&quark_volatile,
up_daemon_error_entries,
G_N_ELEMENTS (up_daemon_error_entries));
return quark_volatile;
}
/**
* up_daemon_class_init:
**/
static void
up_daemon_class_init (UpDaemonClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = up_daemon_finalize;
}
/**
* up_daemon_finalize:
**/
static void
up_daemon_finalize (GObject *object)
{
UpDaemon *daemon = UP_DAEMON (object);
UpDaemonPrivate *priv = daemon->priv;
g_clear_handle_id (&priv->action_timeout_id, g_source_remove);
g_clear_handle_id (&priv->refresh_batteries_id, g_source_remove);
g_clear_handle_id (&priv->warning_level_id, g_source_remove);
if (priv->critical_action_lock_fd >= 0) {
close (priv->critical_action_lock_fd);
priv->critical_action_lock_fd = -1;
}
g_clear_pointer (&daemon->priv->poll_source, g_source_destroy);
g_object_unref (priv->power_devices);
g_object_unref (priv->display_device);
g_object_unref (priv->polkit);
g_object_unref (priv->config);
g_object_unref (priv->backend);
G_OBJECT_CLASS (up_daemon_parent_class)->finalize (object);
}
/**
* up_daemon_new:
**/
UpDaemon *
up_daemon_new (void)
{
return UP_DAEMON (g_object_new (UP_TYPE_DAEMON, NULL));
}
|