updated copyright to 2013
[psensor.git] / src / main.c
1 /*
2  * Copyright (C) 2010-2013 jeanfi@gmail.com
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 of the
7  * License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful, but
10  * WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17  * 02110-1301 USA
18  */
19 #include <locale.h>
20
21 #include <getopt.h>
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <string.h>
25 #include <unistd.h>
26 #include <sys/stat.h>
27 #include <sys/types.h>
28
29 #include <gtk/gtk.h>
30
31 #include "config.h"
32
33 #include "cfg.h"
34 #include "psensor.h"
35 #include "graph.h"
36 #include "ui.h"
37 #include "ui_sensorlist.h"
38 #include "ui_color.h"
39 #include "lmsensor.h"
40 #include "slog.h"
41 #include "ui_pref.h"
42 #include "ui_graph.h"
43 #include "ui_status.h"
44
45 #ifdef HAVE_UNITY
46 #include "ui_unity.h"
47 #endif
48
49 #ifdef HAVE_NVIDIA
50 #include "nvidia.h"
51 #endif
52
53 #ifdef HAVE_LIBATIADL
54 #include "amd.h"
55 #endif
56
57 #ifdef HAVE_REMOTE_SUPPORT
58 #include "rsensor.h"
59 #endif
60
61 #include "ui_appindicator.h"
62
63 #ifdef HAVE_LIBNOTIFY
64 #include "ui_notify.h"
65 #endif
66
67 #ifdef HAVE_GTOP
68 #include "cpu.h"
69 #endif
70
71 #include "compat.h"
72
73 static const char *program_name;
74
75 static void print_version()
76 {
77         printf("psensor %s\n", VERSION);
78         printf(_("Copyright (C) %s jeanfi@gmail.com\n"
79                  "License GPLv2: GNU GPL version 2 or later "
80                  "<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>\n"
81                  "This is free software: you are free to change and "
82                  " redistribute it.\n"
83                  "There is NO WARRANTY, to the extent permitted by law.\n"),
84                "2010-2013");
85 }
86
87 static void print_help()
88 {
89         printf(_("Usage: %s [OPTION]...\n"), program_name);
90
91         puts(_("Psensor is a GTK+ application for monitoring hardware sensors, "
92                "including temperatures and fan speeds."));
93
94         puts("");
95         puts(_("Options:"));
96         puts(_("  -h, --help          display this help and exit\n"
97                "  -v, --version       display version information and exit"));
98
99         puts("");
100
101         puts(_(
102 "  -u, --url=URL       the URL of the psensor-server,\n"
103 "                      example: http://hostname:3131"));
104         puts(_(
105 "  --use-libatasmart   use atasmart library for disk monitoring instead of\n"
106 "                      hddtemp daemon"));
107         puts(_(
108 "  -n, --new-instance  force the creation of a new Psensor application"));
109         puts("");
110
111         puts(_("  -d, --debug=LEVEL   "
112                "set the debug level, integer between 0 and 3"));
113
114         puts("");
115
116         printf(_("Report bugs to: %s\n"), PACKAGE_BUGREPORT);
117         puts("");
118         printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
119 }
120
121 /*
122  * Updates the size of the sensor values if different than the
123  * configuration.
124  */
125 static void
126 update_psensor_values_size(struct psensor **sensors, struct config *cfg)
127 {
128         struct psensor **cur, *s;
129
130         for (cur = sensors; *cur; cur++) {
131                 s = *cur;
132
133                 if (s->values_max_length != cfg->sensor_values_max_length)
134                         psensor_values_resize(s,
135                                               cfg->sensor_values_max_length);
136         }
137 }
138
139 static void update_measures(struct ui_psensor *ui)
140 {
141         struct psensor **sensors;
142         struct config *cfg;
143         int period;
144
145         cfg = ui->config;
146
147         while (1) {
148                 pthread_mutex_lock(&ui->sensors_mutex);
149
150                 sensors = ui->sensors;
151                 if (!sensors)
152                         return;
153
154                 update_psensor_values_size(sensors, cfg);
155
156                 psensor_list_update_measures(sensors);
157 #ifdef HAVE_REMOTE_SUPPORT
158                 remote_psensor_list_update(sensors);
159 #endif
160 #ifdef HAVE_NVIDIA
161                 nvidia_psensor_list_update(sensors);
162 #endif
163 #ifdef HAVE_LIBATIADL
164                 amd_psensor_list_update(sensors);
165 #endif
166
167                 psensor_log_measures(sensors);
168
169                 period = cfg->sensor_update_interval;
170
171                 pthread_mutex_unlock(&ui->sensors_mutex);
172
173                 sleep(period);
174         }
175 }
176
177 static void indicators_update(struct ui_psensor *ui)
178 {
179         struct psensor **sensor_cur = ui->sensors;
180         unsigned int attention = 0;
181
182         while (*sensor_cur) {
183                 struct psensor *s = *sensor_cur;
184
185                 if (s->alarm_enabled && s->alarm_raised) {
186                         attention = 1;
187                         break;
188                 }
189
190                 sensor_cur++;
191         }
192
193 #if defined(HAVE_APPINDICATOR) || defined(HAVE_APPINDICATOR_029)
194         if (is_appindicator_supported())
195                 ui_appindicator_update(ui, attention);
196 #endif
197
198         if (is_status_supported())
199                 ui_status_update(ui, attention);
200 }
201
202 gboolean ui_refresh_thread(gpointer data)
203 {
204         struct config *cfg;
205         gboolean ret;
206         struct ui_psensor *ui = (struct ui_psensor *)data;
207
208         ret = TRUE;
209         cfg = ui->config;
210
211         pthread_mutex_lock(&ui->sensors_mutex);
212
213         graph_update(ui->sensors, ui->w_graph, ui->config, ui->main_window);
214
215         ui_sensorlist_update(ui);
216
217         if (is_appindicator_supported() || is_status_supported())
218                 indicators_update(ui);
219
220 #ifdef HAVE_UNITY
221         ui_unity_launcher_entry_update(ui->sensors,
222                                        !cfg->unity_launcher_count_disabled,
223                                        cfg->temperature_unit == CELCIUS);
224 #endif
225
226         if (ui->graph_update_interval != cfg->graph_update_interval) {
227                 ui->graph_update_interval = cfg->graph_update_interval;
228                 ret = FALSE;
229         }
230
231         pthread_mutex_unlock(&ui->sensors_mutex);
232
233         if (ret == FALSE)
234                 g_timeout_add(1000 * ui->graph_update_interval,
235                               ui_refresh_thread, ui);
236
237         return ret;
238 }
239
240 static void cb_alarm_raised(struct psensor *sensor, void *data)
241 {
242 #ifdef HAVE_LIBNOTIFY
243         if (sensor->alarm_enabled)
244                 ui_notify(sensor, (struct ui_psensor *)data);
245 #endif
246 }
247
248 static void associate_colors(struct psensor **sensors)
249 {
250         /* number of uniq colors */
251 #define COLORS_COUNT 8
252
253         unsigned int colors[COLORS_COUNT][3] = {
254                 {0x0000, 0x0000, 0x0000},       /* black */
255                 {0xffff, 0x0000, 0x0000},       /* red */
256                 {0x0000, 0x0000, 0xffff},       /* blue */
257                 {0x0000, 0xffff, 0x0000},       /* green */
258
259                 {0x7fff, 0x7fff, 0x7fff},       /* grey */
260                 {0x7fff, 0x0000, 0x0000},       /* dark red */
261                 {0x0000, 0x0000, 0x7fff},       /* dark blue */
262                 {0x0000, 0x7fff, 0x0000}        /* dark green */
263         };
264
265         struct psensor **sensor_cur = sensors;
266         int i = 0;
267         while (*sensor_cur) {
268                 struct color default_color;
269                 color_set(&default_color,
270                           colors[i % COLORS_COUNT][0],
271                           colors[i % COLORS_COUNT][1],
272                           colors[i % COLORS_COUNT][2]);
273
274                 (*sensor_cur)->color
275                     = config_get_sensor_color((*sensor_cur)->id,
276                                               &default_color);
277
278                 sensor_cur++;
279                 i++;
280         }
281 }
282
283 static void
284 associate_cb_alarm_raised(struct psensor **sensors, struct ui_psensor *ui)
285 {
286         struct psensor **sensor_cur = sensors;
287         while (*sensor_cur) {
288                 struct psensor *s = *sensor_cur;
289
290                 s->cb_alarm_raised = cb_alarm_raised;
291                 s->cb_alarm_raised_data = ui;
292
293                 s->alarm_high_threshold
294                         = config_get_sensor_alarm_high_threshold(s->id);
295                 s->alarm_low_threshold
296                         = config_get_sensor_alarm_low_threshold(s->id);
297
298                 if (is_temp_type(s->type) || is_fan_type(s->type)) {
299                         s->alarm_enabled
300                             = config_get_sensor_alarm_enabled(s->id);
301                 } else {
302                         s->alarm_high_threshold = 0;
303                         s->alarm_enabled = 0;
304                 }
305
306                 sensor_cur++;
307         }
308 }
309
310 static void associate_preferences(struct psensor **sensors)
311 {
312         struct psensor **sensor_cur = sensors;
313         while (*sensor_cur) {
314                 char *n;
315                 struct psensor *s = *sensor_cur;
316
317                 s->enabled = config_is_sensor_enabled(s->id);
318
319                 n = config_get_sensor_name(s->id);
320
321                 if (n) {
322                         free(s->name);
323                         s->name = n;
324                 }
325
326                 s->appindicator_enabled = config_is_appindicator_enabled(s->id);
327
328                 sensor_cur++;
329         }
330 }
331
332 static void log_init()
333 {
334         char *home, *path, *dir;
335
336         home = getenv("HOME");
337
338         if (!home)
339                 return ;
340
341         dir = malloc(strlen(home)+1+strlen(".psensor")+1);
342         sprintf(dir, "%s/%s", home, ".psensor");
343         mkdir(dir, 0777);
344
345         path = malloc(strlen(dir)+1+strlen("log")+1);
346         sprintf(path, "%s/%s", dir, "log");
347
348         log_open(path);
349
350         free(dir);
351         free(path);
352 }
353
354 static struct option long_options[] = {
355         {"use-libatasmart", no_argument, 0, 0},
356         {"version", no_argument, 0, 'v'},
357         {"help", no_argument, 0, 'h'},
358         {"url", required_argument, 0, 'u'},
359         {"debug", required_argument, 0, 'd'},
360         {"new-instance", no_argument, 0, 'n'},
361         {0, 0, 0, 0}
362 };
363
364 static gboolean initial_window_show(gpointer data)
365 {
366         struct ui_psensor *ui;
367
368         log_debug("initial_window_show()");
369
370         ui = (struct ui_psensor *)data;
371
372         log_debug("is_status_supported: %d", is_status_supported());
373         log_debug("is_appindicator_supported: %d",
374                    is_appindicator_supported());
375         log_debug("hide_on_startup: %d", ui->config->hide_on_startup);
376
377         if (!ui->config->hide_on_startup
378             || (!is_appindicator_supported() && !is_status_supported()))
379                 ui_window_show(ui);
380
381         ui_window_update(ui);
382
383         return FALSE;
384 }
385
386 static void log_glib_info()
387 {
388         log_debug("Compiled with GLib %d.%d.%d",
389                   GLIB_MAJOR_VERSION,
390                   GLIB_MINOR_VERSION,
391                   GLIB_MICRO_VERSION);
392
393         log_debug("Running with GLib %d.%d.%d",
394                   glib_major_version,
395                   glib_minor_version,
396                   glib_micro_version);
397 }
398
399 static void cb_activate(GApplication *application,
400                         gpointer data)
401 {
402         ui_window_show((struct ui_psensor *)data);
403 }
404
405 /*
406  * Release memory for Valgrind.
407  */
408 static void cleanup(struct ui_psensor *ui)
409 {
410         pthread_mutex_lock(&ui->sensors_mutex);
411
412         log_debug("Cleanup...");
413
414         psensor_cleanup();
415
416 #ifdef HAVE_NVIDIA
417         nvidia_cleanup();
418 #endif
419 #ifdef HAVE_LIBATIADL
420         amd_cleanup();
421 #endif
422 #ifdef HAVE_REMOTE_SUPPORT
423         rsensor_cleanup();
424 #endif
425
426         psensor_list_free(ui->sensors);
427         ui->sensors = NULL;
428
429 #if defined(HAVE_APPINDICATOR) || defined(HAVE_APPINDICATOR_029)
430         ui_appindicator_cleanup();
431 #endif
432
433         ui_status_cleanup();
434
435         pthread_mutex_unlock(&ui->sensors_mutex);
436
437         config_cleanup();
438
439         log_debug("Cleanup done, closing log");
440 }
441
442 /*
443  * Creates the list of sensors.
444  *
445  * 'url': remote psensor server url, null for local monitoring.
446  * 'use_libatasmart': whether the libatasmart must be used.
447  */
448 static struct psensor **create_sensors_list(const char *url,
449                                             unsigned int use_libatasmart)
450 {
451         struct psensor **sensors;
452
453         if (url) {
454 #ifdef HAVE_REMOTE_SUPPORT
455                 rsensor_init();
456                 sensors = get_remote_sensors(url, 600);
457 #else
458                 log_err(_("Psensor has not been compiled with remote "
459                           "sensor support."));
460                 exit(EXIT_FAILURE);
461 #endif
462         } else {
463                 sensors = get_all_sensors(use_libatasmart, 600);
464 #ifdef HAVE_NVIDIA
465                 sensors = nvidia_psensor_list_add(sensors, 600);
466 #endif
467 #ifdef HAVE_LIBATIADL
468                 sensors = amd_psensor_list_add(sensors, 600);
469 #endif
470 #ifdef HAVE_GTOP
471                 sensors = cpu_psensor_list_add(sensors, 600);
472 #endif
473         }
474
475         associate_preferences(sensors);
476         associate_colors(sensors);
477
478         return sensors;
479 }
480
481 int main(int argc, char **argv)
482 {
483         struct ui_psensor ui;
484         GError *error;
485         GThread *thread;
486         int optc, cmdok, opti, use_libatasmart, new_instance;
487         char *url = NULL;
488         GApplication *app;
489
490         program_name = argv[0];
491
492         setlocale(LC_ALL, "");
493
494 #if ENABLE_NLS
495         bindtextdomain(PACKAGE, LOCALEDIR);
496         textdomain(PACKAGE);
497 #endif
498
499         use_libatasmart = new_instance = 0;
500
501         cmdok = 1;
502         while ((optc = getopt_long(argc, argv, "vhd:u:n", long_options,
503                                    &opti)) != -1) {
504                 switch (optc) {
505                 case 0:
506                         if (!strcmp(long_options[opti].name, "use-libatasmart"))
507                                 use_libatasmart = 1;
508                         break;
509                 case 'u':
510                         if (optarg)
511                                 url = strdup(optarg);
512                         break;
513                 case 'h':
514                         print_help();
515                         exit(EXIT_SUCCESS);
516                 case 'v':
517                         print_version();
518                         exit(EXIT_SUCCESS);
519                 case 'd':
520                         log_level = atoi(optarg);
521                         log_info(_("Enables debug mode."));
522                         break;
523                 case 'n':
524                         new_instance = 1;
525                         break;
526                 default:
527                         cmdok = 0;
528                         break;
529                 }
530         }
531
532         if (!cmdok || optind != argc) {
533                 fprintf(stderr, _("Try `%s --help' for more information.\n"),
534                         program_name);
535                 exit(EXIT_FAILURE);
536         }
537
538         log_init();
539
540         app = g_application_new("wpitchoune.psensor", 0);
541
542         g_application_register(app, NULL, NULL);
543
544         if (!new_instance && g_application_get_is_remote(app)) {
545                 g_application_activate(app);
546                 log_warn(_("A Psensor instance already exists."));
547                 exit(EXIT_SUCCESS);
548         }
549
550         g_signal_connect(app, "activate", G_CALLBACK(cb_activate), &ui);
551
552         log_glib_info();
553 #if !(GLIB_CHECK_VERSION(2, 31, 0))
554         /*
555          * Since GLib 2.31 g_thread_init call is deprecated and not
556          * needed.
557          */
558         log_debug("Calling g_thread_init(NULL)");
559         g_thread_init(NULL);
560 #endif
561
562         gdk_threads_init();
563
564         gtk_init(NULL, NULL);
565
566         pthread_mutex_init(&ui.sensors_mutex, NULL);
567
568         ui.config = config_load();
569
570         psensor_init();
571
572         ui.sensors = create_sensors_list(url, use_libatasmart);
573         associate_cb_alarm_raised(ui.sensors, &ui);
574
575         if (ui.config->slog_enabled)
576                 slog_activate(NULL,
577                               ui.sensors,
578                               &ui.sensors_mutex,
579                               config_get_slog_interval());
580
581 #if !defined(HAVE_APPINDICATOR) && !defined(HAVE_APPINDICATOR_029)
582         ui_status_init(&ui);
583         ui_status_set_visible(1);
584 #endif
585
586         /* main window */
587         ui_window_create(&ui);
588         ui.sensor_box = NULL;
589
590         /* drawing box */
591         ui.w_graph = ui_graph_create(&ui);
592
593         ui_enable_alpha_channel(&ui);
594
595         /* sensor list */
596         ui_sensorlist_create(&ui);
597
598         thread = g_thread_create((GThreadFunc) update_measures,
599                                  &ui, TRUE, &error);
600
601         if (!thread)
602                 g_error_free(error);
603
604         ui.graph_update_interval = ui.config->graph_update_interval;
605
606         g_timeout_add(1000 * ui.graph_update_interval, ui_refresh_thread, &ui);
607
608 #if defined(HAVE_APPINDICATOR) || defined(HAVE_APPINDICATOR_029)
609         ui_appindicator_init(&ui);
610 #endif
611
612         gdk_notify_startup_complete();
613
614         /*
615          * hack, did not find a cleaner solution.
616          * wait 30s to ensure that the status icon is attempted to be
617          * drawn before determining whether the main window must be
618          * show.
619          */
620         if  (ui.config->hide_on_startup)
621                 g_timeout_add(30000, (GSourceFunc)initial_window_show, &ui);
622         else
623                 initial_window_show(&ui);
624
625         /* main loop */
626         gtk_main();
627
628         g_object_unref(app);
629         cleanup(&ui);
630
631         log_debug("Quitting...");
632         log_close();
633
634         if (url)
635                 free(url);
636
637         return 0;
638 }