src/main.c

   1 /*
   2  * Copyright (C) 2010-2012 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 "ui_pref.h"
  41 #include "ui_graph.h"
  42 #include "ui_status.h"
  43
  44 #ifdef HAVE_UNITY
  45 #include "ui_unity.h"
  46 #endif
  47
  48 #ifdef HAVE_NVIDIA
  49 #include "nvidia.h"
  50 #endif
  51
  52 #ifdef HAVE_LIBATIADL
  53 #include "amd.h"
  54 #endif
  55
  56 #ifdef HAVE_REMOTE_SUPPORT
  57 #include "rsensor.h"
  58 #endif
  59
  60 #include "ui_appindicator.h"
  61
  62 #ifdef HAVE_LIBNOTIFY
  63 #include "ui_notify.h"
  64 #endif
  65
  66 #ifdef HAVE_GTOP
  67 #include "cpu.h"
  68 #endif
  69
  70 #include "compat.h"
  71
  72 static const char *program_name;
  73
  74 static void print_version()
  75 {
  76         printf("psensor %s\n", VERSION);
  77         printf(_("Copyright (C) %s jeanfi@gmail.com\n"
  78                  "License GPLv2: GNU GPL version 2 or later "
  79                  "<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>\n"
  80                  "This is free software: you are free to change and "
  81                  " redistribute it.\n"
  82                  "There is NO WARRANTY, to the extent permitted by law.\n"),
  83                "2010-2012");
  84 }
  85
  86 static void print_help()
  87 {
  88         printf(_("Usage: %s [OPTION]...\n"), program_name);
  89
  90         puts(_("Psensor is a GTK+ application for monitoring hardware sensors, "
  91                "including temperatures and fan speeds."));
  92
  93         puts("");
  94         puts(_("Options:"));
  95         puts(_("  -h, --help          display this help and exit\n"
  96                "  -v, --version       display version information and exit"));
  97
  98         puts("");
  99
 100         puts(_(
 101 "  -u, --url=URL       the URL of the psensor-server,\n"
 102 "                      example: http://hostname:3131"));
 103         puts(_(
 104 "  --use-libatasmart   use atasmart library for disk monitoring instead of\n"
 105 "                      hddtemp daemon"));
 106         puts(_(
 107 "  -n, --new-instance  force the creation of a new Psensor application"));
 108         puts("");
 109
 110         puts(_("  -d, --debug=LEVEL   "
 111                "set the debug level, integer between 0 and 3"));
 112
 113         puts("");
 114
 115         printf(_("Report bugs to: %s\n"), PACKAGE_BUGREPORT);
 116         puts("");
 117         printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 118 }
 119
 120 /*
 121  * Updates the size of the sensor values if different than the
 122  * configuration.
 123  */
 124 static void
 125 update_psensor_values_size(struct psensor **sensors, struct config *cfg)
 126 {
 127         struct psensor **cur, *s;
 128
 129         for (cur = sensors; *cur; cur++) {
 130                 s = *cur;
 131
 132                 if (s->values_max_length != cfg->sensor_values_max_length)
 133                         psensor_values_resize(s,
 134                                               cfg->sensor_values_max_length);
 135         }
 136 }
 137
 138 static void update_measures(struct ui_psensor *ui)
 139 {
 140         struct psensor **sensors;
 141         struct config *cfg;
 142         int period;
 143
 144         cfg = ui->config;
 145
 146         while (1) {
 147                 g_mutex_lock(ui->sensors_mutex);
 148
 149                 sensors = ui->sensors;
 150                 if (!sensors)
 151                         return;
 152
 153                 update_psensor_values_size(sensors, cfg);
 154
 155                 psensor_list_update_measures(sensors);
 156 #ifdef HAVE_REMOTE_SUPPORT
 157                 remote_psensor_list_update(sensors);
 158 #endif
 159 #ifdef HAVE_NVIDIA
 160                 nvidia_psensor_list_update(sensors);
 161 #endif
 162 #ifdef HAVE_LIBATIADL
 163                 amd_psensor_list_update(sensors);
 164 #endif
 165
 166                 psensor_log_measures(sensors);
 167
 168                 period = cfg->sensor_update_interval;
 169
 170                 g_mutex_unlock(ui->sensors_mutex);
 171
 172                 sleep(period);
 173         }
 174 }
 175
 176 static void indicators_update(struct ui_psensor *ui)
 177 {
 178         struct psensor **sensor_cur = ui->sensors;
 179         unsigned int attention = 0;
 180
 181         while (*sensor_cur) {
 182                 struct psensor *s = *sensor_cur;
 183
 184                 if (s->alarm_enabled && s->alarm_raised) {
 185                         attention = 1;
 186                         break;
 187                 }
 188
 189                 sensor_cur++;
 190         }
 191
 192 #if defined(HAVE_APPINDICATOR) || defined(HAVE_APPINDICATOR_029)
 193         if (is_appindicator_supported())
 194                 ui_appindicator_update(ui, attention);
 195 #endif
 196
 197         if (is_status_supported())
 198                 ui_status_update(ui, attention);
 199 }
 200
 201 gboolean ui_refresh_thread(gpointer data)
 202 {
 203         struct config *cfg;
 204         gboolean ret;
 205         struct ui_psensor *ui = (struct ui_psensor *)data;
 206
 207         ret = TRUE;
 208         cfg = ui->config;
 209
 210         g_mutex_lock(ui->sensors_mutex);
 211
 212         graph_update(ui->sensors, ui->w_graph, ui->config, ui->main_window);
 213
 214         ui_sensorlist_update(ui);
 215
 216         if (is_appindicator_supported() || is_status_supported())
 217                 indicators_update(ui);
 218
 219 #ifdef HAVE_UNITY
 220         ui_unity_launcher_entry_update(ui->sensors,
 221                                        !cfg->unity_launcher_count_disabled,
 222                                        cfg->temperature_unit == CELCIUS);
 223 #endif
 224
 225         if (ui->graph_update_interval != cfg->graph_update_interval) {
 226                 ui->graph_update_interval = cfg->graph_update_interval;
 227                 ret = FALSE;
 228         }
 229
 230         g_mutex_unlock(ui->sensors_mutex);
 231
 232         if (ret == FALSE)
 233                 g_timeout_add(1000 * ui->graph_update_interval,
 234                               ui_refresh_thread, ui);
 235
 236         return ret;
 237 }
 238
 239 static void cb_alarm_raised(struct psensor *sensor, void *data)
 240 {
 241 #ifdef HAVE_LIBNOTIFY
 242         if (sensor->alarm_enabled)
 243                 ui_notify(sensor, (struct ui_psensor *)data);
 244 #endif
 245 }
 246
 247 static void associate_colors(struct psensor **sensors)
 248 {
 249         /* number of uniq colors */
 250 #define COLORS_COUNT 8
 251
 252         unsigned int colors[COLORS_COUNT][3] = {
 253                 {0x0000, 0x0000, 0x0000},       /* black */
 254                 {0xffff, 0x0000, 0x0000},       /* red */
 255                 {0x0000, 0x0000, 0xffff},       /* blue */
 256                 {0x0000, 0xffff, 0x0000},       /* green */
 257
 258                 {0x7fff, 0x7fff, 0x7fff},       /* grey */
 259                 {0x7fff, 0x0000, 0x0000},       /* dark red */
 260                 {0x0000, 0x0000, 0x7fff},       /* dark blue */
 261                 {0x0000, 0x7fff, 0x0000}        /* dark green */
 262         };
 263
 264         struct psensor **sensor_cur = sensors;
 265         int i = 0;
 266         while (*sensor_cur) {
 267                 struct color default_color;
 268                 color_set(&default_color,
 269                           colors[i % COLORS_COUNT][0],
 270                           colors[i % COLORS_COUNT][1],
 271                           colors[i % COLORS_COUNT][2]);
 272
 273                 (*sensor_cur)->color
 274                     = config_get_sensor_color((*sensor_cur)->id,
 275                                               &default_color);
 276
 277                 sensor_cur++;
 278                 i++;
 279         }
 280 }
 281
 282 static void
 283 associate_cb_alarm_raised(struct psensor **sensors, struct ui_psensor *ui)
 284 {
 285         struct psensor **sensor_cur = sensors;
 286         while (*sensor_cur) {
 287                 struct psensor *s = *sensor_cur;
 288
 289                 s->cb_alarm_raised = cb_alarm_raised;
 290                 s->cb_alarm_raised_data = ui;
 291
 292                 s->alarm_high_threshold
 293                         = config_get_sensor_alarm_high_threshold(s->id);
 294                 s->alarm_low_threshold
 295                         = config_get_sensor_alarm_low_threshold(s->id);
 296
 297                 if (is_temp_type(s->type) || is_fan_type(s->type)) {
 298                         s->alarm_enabled
 299                             = config_get_sensor_alarm_enabled(s->id);
 300                 } else {
 301                         s->alarm_high_threshold = 0;
 302                         s->alarm_enabled = 0;
 303                 }
 304
 305                 sensor_cur++;
 306         }
 307 }
 308
 309 static void associate_preferences(struct psensor **sensors)
 310 {
 311         struct psensor **sensor_cur = sensors;
 312         while (*sensor_cur) {
 313                 char *n;
 314                 struct psensor *s = *sensor_cur;
 315
 316                 s->enabled = config_is_sensor_enabled(s->id);
 317
 318                 n = config_get_sensor_name(s->id);
 319
 320                 if (n) {
 321                         free(s->name);
 322                         s->name = n;
 323                 }
 324
 325                 sensor_cur++;
 326         }
 327 }
 328
 329 static void log_init()
 330 {
 331         char *home, *path, *dir;
 332
 333         home = getenv("HOME");
 334
 335         if (!home)
 336                 return ;
 337
 338         dir = malloc(strlen(home)+1+strlen(".psensor")+1);
 339         sprintf(dir, "%s/%s", home, ".psensor");
 340         mkdir(dir, 0777);
 341
 342         path = malloc(strlen(dir)+1+strlen("log")+1);
 343         sprintf(path, "%s/%s", dir, "log");
 344
 345         log_open(path);
 346
 347         free(dir);
 348         free(path);
 349 }
 350
 351 static struct option long_options[] = {
 352         {"use-libatasmart", no_argument, 0, 0},
 353         {"version", no_argument, 0, 'v'},
 354         {"help", no_argument, 0, 'h'},
 355         {"url", required_argument, 0, 'u'},
 356         {"debug", required_argument, 0, 'd'},
 357         {"new-instance", no_argument, 0, 'n'},
 358         {0, 0, 0, 0}
 359 };
 360
 361 static gboolean initial_window_show(gpointer data)
 362 {
 363         struct ui_psensor *ui;
 364
 365         log_debug("initial_window_show()");
 366
 367         ui = (struct ui_psensor *)data;
 368
 369         log_debug("is_status_supported: %d", is_status_supported());
 370         log_debug("is_appindicator_supported: %d",
 371                    is_appindicator_supported());
 372         log_debug("hide_on_startup: %d", ui->config->hide_on_startup);
 373
 374         if (!ui->config->hide_on_startup
 375             || (!is_appindicator_supported() && !is_status_supported()))
 376                 ui_window_show(ui);
 377
 378         ui_window_update(ui);
 379
 380         return FALSE;
 381 }
 382
 383 static void log_glib_info()
 384 {
 385         log_debug("Compiled with GLib %d.%d.%d",
 386                   GLIB_MAJOR_VERSION,
 387                   GLIB_MINOR_VERSION,
 388                   GLIB_MICRO_VERSION);
 389
 390         log_debug("Running with GLib %d.%d.%d",
 391                   glib_major_version,
 392                   glib_minor_version,
 393                   glib_micro_version);
 394 }
 395
 396 static void cb_activate(GApplication *application,
 397                         gpointer data)
 398 {
 399         ui_window_show((struct ui_psensor *)data);
 400 }
 401
 402 /*
 403  * Release memory for Valgrind.
 404  */
 405 static void cleanup(struct ui_psensor *ui)
 406 {
 407         g_mutex_lock(ui->sensors_mutex);
 408
 409         log_debug("Cleanup...");
 410
 411         psensor_cleanup();
 412
 413 #ifdef HAVE_NVIDIA
 414         nvidia_cleanup();
 415 #endif
 416 #ifdef HAVE_LIBATIADL
 417         amd_cleanup();
 418 #endif
 419 #ifdef HAVE_REMOTE_SUPPORT
 420         rsensor_cleanup();
 421 #endif
 422
 423         psensor_list_free(ui->sensors);
 424         ui->sensors = NULL;
 425
 426 #if defined(HAVE_APPINDICATOR) || defined(HAVE_APPINDICATOR_029)
 427         ui_appindicator_cleanup();
 428 #endif
 429
 430         ui_status_cleanup();
 431
 432         g_mutex_unlock(ui->sensors_mutex);
 433
 434         config_cleanup();
 435
 436         log_debug("Cleanup done, closing log");
 437 }
 438
 439 /*
 440  * Creates the list of sensors.
 441  *
 442  * 'url': remote psensor server url, null for local monitoring.
 443  * 'use_libatasmart': whether the libatasmart must be used.
 444  */
 445 static struct psensor **create_sensors_list(const char *url,
 446                                             unsigned int use_libatasmart)
 447 {
 448         struct psensor **sensors;
 449
 450         if (url) {
 451 #ifdef HAVE_REMOTE_SUPPORT
 452                 rsensor_init();
 453                 sensors = get_remote_sensors(url, 600);
 454 #else
 455                 log_err(_("Psensor has not been compiled with remote "
 456                           "sensor support."));
 457                 exit(EXIT_FAILURE);
 458 #endif
 459         } else {
 460                 sensors = get_all_sensors(use_libatasmart, 600);
 461 #ifdef HAVE_NVIDIA
 462                 sensors = nvidia_psensor_list_add(sensors, 600);
 463 #endif
 464 #ifdef HAVE_LIBATIADL
 465                 sensors = amd_psensor_list_add(sensors, 600);
 466 #endif
 467 #ifdef HAVE_GTOP
 468                 sensors = cpu_psensor_list_add(sensors, 600);
 469 #endif
 470         }
 471
 472         associate_preferences(sensors);
 473         associate_colors(sensors);
 474
 475         return sensors;
 476 }
 477
 478 int main(int argc, char **argv)
 479 {
 480         struct ui_psensor ui;
 481         GError *error;
 482         GThread *thread;
 483         int optc, cmdok, opti, use_libatasmart, new_instance;
 484         char *url = NULL;
 485         GApplication *app;
 486
 487         program_name = argv[0];
 488
 489         setlocale(LC_ALL, "");
 490
 491 #if ENABLE_NLS
 492         bindtextdomain(PACKAGE, LOCALEDIR);
 493         textdomain(PACKAGE);
 494 #endif
 495
 496         use_libatasmart = new_instance = 0;
 497
 498         cmdok = 1;
 499         while ((optc = getopt_long(argc, argv, "vhd:u:n", long_options,
 500                                    &opti)) != -1) {
 501                 switch (optc) {
 502                 case 0:
 503                         if (!strcmp(long_options[opti].name, "use-libatasmart"))
 504                                 use_libatasmart = 1;
 505                         break;
 506                 case 'u':
 507                         if (optarg)
 508                                 url = strdup(optarg);
 509                         break;
 510                 case 'h':
 511                         print_help();
 512                         exit(EXIT_SUCCESS);
 513                 case 'v':
 514                         print_version();
 515                         exit(EXIT_SUCCESS);
 516                 case 'd':
 517                         log_level = atoi(optarg);
 518                         log_printf(LOG_INFO, _("Enables debug mode."));
 519                         break;
 520                 case 'n':
 521                         new_instance = 1;
 522                         break;
 523                 default:
 524                         cmdok = 0;
 525                         break;
 526                 }
 527         }
 528
 529         if (!cmdok || optind != argc) {
 530                 fprintf(stderr, _("Try `%s --help' for more information.\n"),
 531                         program_name);
 532                 exit(EXIT_FAILURE);
 533         }
 534
 535         log_init();
 536
 537         app = g_application_new("wpitchoune.psensor", 0);
 538
 539         g_application_register(app, NULL, NULL);
 540
 541         if (!new_instance && g_application_get_is_remote(app)) {
 542                 g_application_activate(app);
 543                 log_warn(_("A Psensor instance already exists."));
 544                 exit(EXIT_SUCCESS);
 545         }
 546
 547         g_signal_connect(app, "activate", G_CALLBACK(cb_activate), &ui);
 548
 549         log_glib_info();
 550 #if !(GLIB_CHECK_VERSION(2, 31, 0))
 551         /*
 552          * Since GLib 2.31 g_thread_init call is deprecated and not
 553          * needed.
 554          */
 555         log_debug("Calling g_thread_init(NULL)");
 556         g_thread_init(NULL);
 557 #endif
 558
 559         gdk_threads_init();
 560
 561         gtk_init(NULL, NULL);
 562
 563         ui.sensors_mutex = g_mutex_new();
 564
 565         ui.config = config_load();
 566
 567         psensor_init();
 568
 569         ui.sensors = create_sensors_list(url, use_libatasmart);
 570         associate_cb_alarm_raised(ui.sensors, &ui);
 571
 572 #if !defined(HAVE_APPINDICATOR) && !defined(HAVE_APPINDICATOR_029)
 573         ui_status_init(&ui);
 574         ui_status_set_visible(1);
 575 #endif
 576
 577         /* main window */
 578         ui_window_create(&ui);
 579         ui.sensor_box = NULL;
 580
 581         /* drawing box */
 582         ui.w_graph = ui_graph_create(&ui);
 583
 584         ui_enable_alpha_channel(&ui);
 585
 586         /* sensor list */
 587         ui_sensorlist_create(&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 2s to ensure that the status icon is attempted to be
 608          * drawn before determining whether the main window must be
 609          * show.
 610          */
 611         g_timeout_add(2000, (GSourceFunc)initial_window_show, &ui);
 612
 613         /* main loop */
 614         gtk_main();
 615
 616         g_object_ref(app);
 617         cleanup(&ui);
 618
 619         log_debug("Quitting...");
 620         log_close();
 621
 622         return 0;
 623 }