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