mdw@git.distorted.org.uk Git - disorder/blob - disobedience/disobedience.c

   1 /*
   2  * This file is part of DisOrder.
   3  * Copyright (C) 2006, 2007, 2008 Richard Kettlewell
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  18  * USA
  19  */
  20 /** @file disobedience/disobedience.c
  21  * @brief Main Disobedience program
  22  */
  23
  24 #include "disobedience.h"
  25 #include "mixer.h"
  26 #include "version.h"
  27
  28 #include <getopt.h>
  29 #include <locale.h>
  30 #include <pcre.h>
  31
  32 /* Apologies for the numerous de-consting casts, but GLib et al do not seem to
  33  * have heard of const. */
  34
  35 /* Variables --------------------------------------------------------------- */
  36
  37 /** @brief Event loop */
  38 GMainLoop *mainloop;
  39
  40 /** @brief Top-level window */
  41 GtkWidget *toplevel;
  42
  43 /** @brief Label for progress indicator */
  44 GtkWidget *report_label;
  45
  46 /** @brief Main tab group */
  47 GtkWidget *tabs;
  48
  49 /** @brief Main client */
  50 disorder_eclient *client;
  51
  52 /** @brief Log client */
  53 disorder_eclient *logclient;
  54
  55 /** @brief Last reported state
  56  *
  57  * This is updated by log_state().
  58  */
  59 unsigned long last_state;
  60
  61 /** @brief True if some track is playing
  62  *
  63  * This ought to be removed in favour of last_state & DISORDER_PLAYING
  64  */
  65 int playing;
  66
  67 /** @brief Left channel volume */
  68 int volume_l;
  69
  70 /** @brief Right channel volume */
  71 int volume_r;
  72
  73 double goesupto = 10;                   /* volume upper bound */
  74
  75 /** @brief True if a NOP is in flight */
  76 static int nop_in_flight;
  77
  78 /** @brief True if an rtp-address command is in flight */
  79 static int rtp_address_in_flight;
  80
  81 /** @brief True if a rights lookup is in flight */
  82 static int rights_lookup_in_flight;
  83
  84 /** @brief Current rights bitmap */
  85 rights_type last_rights;
  86
  87 /** @brief Global tooltip group */
  88 GtkTooltips *tips;
  89
  90 /** @brief True if RTP play is available
  91  *
  92  * This is a bit of a bodge...
  93  */
  94 int rtp_supported;
  95
  96 /** @brief True if RTP play is enabled */
  97 int rtp_is_running;
  98
  99 /** @brief Server version */
 100 const char *server_version;
 101
 102 /** @brief Parsed server version */
 103 long server_version_bytes;
 104
 105 static void check_rtp_address(const char *event,
 106                               void *eventdata,
 107                               void *callbackdata);
 108
 109 /* Window creation --------------------------------------------------------- */
 110
 111 /* Note that all the client operations kicked off from here will only complete
 112  * after we've entered the event loop. */
 113
 114 /** @brief Called when main window is deleted
 115  *
 116  * Terminates the program.
 117  */
 118 static gboolean delete_event(GtkWidget attribute((unused)) *widget,
 119                              GdkEvent attribute((unused)) *event,
 120                              gpointer attribute((unused)) data) {
 121   D(("delete_event"));
 122   exit(0);                              /* die immediately */
 123 }
 124
 125 /** @brief Called when the current tab is switched
 126  *
 127  * Updates the menu settings to correspond to the new page.
 128  */
 129 static void tab_switched(GtkNotebook *notebook,
 130                          GtkNotebookPage attribute((unused)) *page,
 131                          guint page_num,
 132                          gpointer attribute((unused)) user_data) {
 133   GtkWidget *const tab = gtk_notebook_get_nth_page(notebook, page_num);
 134   const struct tabtype *const t = g_object_get_data(G_OBJECT(tab), "type");
 135   assert(t != 0);
 136   if(t->selected)
 137     t->selected();
 138 }
 139
 140 /** @brief Create the report box */
 141 static GtkWidget *report_box(void) {
 142   GtkWidget *vbox = gtk_vbox_new(FALSE, 0);
 143
 144   report_label = gtk_label_new("");
 145   gtk_label_set_ellipsize(GTK_LABEL(report_label), PANGO_ELLIPSIZE_END);
 146   gtk_misc_set_alignment(GTK_MISC(report_label), 0, 0);
 147   gtk_container_add(GTK_CONTAINER(vbox), gtk_hseparator_new());
 148   gtk_container_add(GTK_CONTAINER(vbox), report_label);
 149   return vbox;
 150 }
 151
 152 /** @brief Create and populate the main tab group */
 153 static GtkWidget *notebook(void) {
 154   tabs = gtk_notebook_new();
 155   /* The current tab is _NORMAL, the rest are _ACTIVE, which is bizarre but
 156    * produces not too dreadful appearance */
 157   gtk_widget_set_style(tabs, tool_style);
 158   g_signal_connect(tabs, "switch-page", G_CALLBACK(tab_switched), 0);
 159   gtk_notebook_append_page(GTK_NOTEBOOK(tabs), queue_widget(),
 160                            gtk_label_new("Queue"));
 161   gtk_notebook_append_page(GTK_NOTEBOOK(tabs), recent_widget(),
 162                            gtk_label_new("Recent"));
 163   gtk_notebook_append_page(GTK_NOTEBOOK(tabs), choose_widget(),
 164                            gtk_label_new("Choose"));
 165   gtk_notebook_append_page(GTK_NOTEBOOK(tabs), added_widget(),
 166                            gtk_label_new("Added"));
 167   return tabs;
 168 }
 169
 170 /** @brief Create and populate the main window */
 171 static void make_toplevel_window(void) {
 172   GtkWidget *const vbox = gtk_vbox_new(FALSE, 1);
 173   GtkWidget *const rb = report_box();
 174
 175   D(("top_window"));
 176   toplevel = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 177   /* default size is too small */
 178   gtk_window_set_default_size(GTK_WINDOW(toplevel), 640, 480);
 179   /* terminate on close */
 180   g_signal_connect(G_OBJECT(toplevel), "delete_event",
 181                    G_CALLBACK(delete_event), NULL);
 182   /* lay out the window */
 183   gtk_window_set_title(GTK_WINDOW(toplevel), "Disobedience");
 184   gtk_container_add(GTK_CONTAINER(toplevel), vbox);
 185   /* lay out the vbox */
 186   gtk_box_pack_start(GTK_BOX(vbox),
 187                      menubar(toplevel),
 188                      FALSE,             /* expand */
 189                      FALSE,             /* fill */
 190                      0);
 191   gtk_box_pack_start(GTK_BOX(vbox),
 192                      control_widget(),
 193                      FALSE,             /* expand */
 194                      FALSE,             /* fill */
 195                      0);
 196   gtk_container_add(GTK_CONTAINER(vbox), notebook());
 197   gtk_box_pack_end(GTK_BOX(vbox),
 198                    rb,
 199                    FALSE,             /* expand */
 200                    FALSE,             /* fill */
 201                    0);
 202   gtk_widget_set_style(toplevel, tool_style);
 203 }
 204
 205 static void userinfo_rights_completed(void attribute((unused)) *v,
 206                                       const char *err,
 207                                       const char *value) {
 208   rights_type r;
 209
 210   if(err) {
 211     popup_protocol_error(0, err);
 212     r = 0;
 213   } else {
 214     if(parse_rights(value, &r, 0))
 215       r = 0;
 216   }
 217   /* If rights have changed, signal everything that cares */
 218   if(r != last_rights) {
 219     last_rights = r;
 220     ++suppress_actions;
 221     event_raise("rights-changed", 0);
 222     --suppress_actions;
 223   }
 224   rights_lookup_in_flight = 0;
 225 }
 226
 227 static void check_rights(void) {
 228   if(!rights_lookup_in_flight) {
 229     rights_lookup_in_flight = 1;
 230     disorder_eclient_userinfo(client,
 231                               userinfo_rights_completed,
 232                               config->username, "rights",
 233                               0);
 234   }
 235 }
 236
 237 /** @brief Called occasionally */
 238 static gboolean periodic_slow(gpointer attribute((unused)) data) {
 239   D(("periodic_slow"));
 240   /* Expire cached data */
 241   cache_expire();
 242   /* Update everything to be sure that the connection to the server hasn't
 243    * mysteriously gone stale on us. */
 244   all_update();
 245   event_raise("periodic-slow", 0);
 246   /* Recheck RTP status too */
 247   check_rtp_address(0, 0, 0);
 248   return TRUE;                          /* don't remove me */
 249 }
 250
 251 /** @brief Called frequently */
 252 static gboolean periodic_fast(gpointer attribute((unused)) data) {
 253 #if 0                                   /* debugging hack */
 254   static struct timeval last;
 255   struct timeval now;
 256   double delta;
 257
 258   xgettimeofday(&now, 0);
 259   if(last.tv_sec) {
 260     delta = (now.tv_sec + now.tv_sec / 1.0E6)
 261       - (last.tv_sec + last.tv_sec / 1.0E6);
 262     if(delta >= 1.0625)
 263       fprintf(stderr, "%f: %fs between 1s heartbeats\n",
 264               now.tv_sec + now.tv_sec / 1.0E6,
 265               delta);
 266   }
 267   last = now;
 268 #endif
 269   if(rtp_supported && mixer_supported(DEFAULT_BACKEND)) {
 270     int nl, nr;
 271     if(!mixer_control(DEFAULT_BACKEND, &nl, &nr, 0)
 272        && (nl != volume_l || nr != volume_r)) {
 273       volume_l = nl;
 274       volume_r = nr;
 275       event_raise("volume-changed", 0);
 276     }
 277   }
 278   /* Periodically check what our rights are */
 279   int recheck_rights = 1;
 280   if(server_version_bytes >= 0x04010000)
 281     /* Server versions after 4.1 will send updates */
 282     recheck_rights = 0;
 283   if((server_version_bytes & 0xFF) == 0x01)
 284     /* Development servers might do regardless of their version number */
 285     recheck_rights = 0;
 286   if(recheck_rights)
 287     check_rights();
 288   event_raise("periodic-fast", 0);
 289   return TRUE;
 290 }
 291
 292 /** @brief Called when a NOP completes */
 293 static void nop_completed(void attribute((unused)) *v,
 294                           const char attribute((unused)) *err) {
 295   /* TODO report the error somewhere */
 296   nop_in_flight = 0;
 297 }
 298
 299 /** @brief Called from time to time to arrange for a NOP to be sent
 300  *
 301  * At most one NOP remains in flight at any moment.  If the client is not
 302  * currently connected then no NOP is sent.
 303  */
 304 static gboolean maybe_send_nop(gpointer attribute((unused)) data) {
 305   if(!nop_in_flight && (disorder_eclient_state(client) & DISORDER_CONNECTED)) {
 306     nop_in_flight = 1;
 307     disorder_eclient_nop(client, nop_completed, 0);
 308   }
 309   if(rtp_supported) {
 310     const int rtp_was_running = rtp_is_running;
 311     rtp_is_running = rtp_running();
 312     if(rtp_was_running != rtp_is_running)
 313       event_raise("rtp-changed", 0);
 314   }
 315   return TRUE;                          /* keep call me please */
 316 }
 317
 318 /** @brief Called when a rtp-address command succeeds */
 319 static void got_rtp_address(void attribute((unused)) *v,
 320                             const char *err,
 321                             int attribute((unused)) nvec,
 322                             char attribute((unused)) **vec) {
 323   const int rtp_was_supported = rtp_supported;
 324   const int rtp_was_running = rtp_is_running;
 325
 326   ++suppress_actions;
 327   rtp_address_in_flight = 0;
 328   if(err) {
 329     /* An error just means that we're not using network play */
 330     rtp_supported = 0;
 331     rtp_is_running = 0;
 332   } else {
 333     rtp_supported = 1;
 334     rtp_is_running = rtp_running();
 335   }
 336   /*fprintf(stderr, "rtp supported->%d, running->%d\n",
 337           rtp_supported, rtp_is_running);*/
 338   if(rtp_supported != rtp_was_supported
 339      || rtp_is_running != rtp_was_running)
 340     event_raise("rtp-changed", 0);
 341   --suppress_actions;
 342 }
 343
 344 /** @brief Called to check whether RTP play is available */
 345 static void check_rtp_address(const char attribute((unused)) *event,
 346                               void attribute((unused)) *eventdata,
 347                               void attribute((unused)) *callbackdata) {
 348   if(!rtp_address_in_flight) {
 349     //fprintf(stderr, "checking rtp\n");
 350     disorder_eclient_rtp_address(client, got_rtp_address, NULL);
 351   }
 352 }
 353
 354 /* main -------------------------------------------------------------------- */
 355
 356 static const struct option options[] = {
 357   { "help", no_argument, 0, 'h' },
 358   { "version", no_argument, 0, 'V' },
 359   { "config", required_argument, 0, 'c' },
 360   { "tufnel", no_argument, 0, 't' },
 361   { "debug", no_argument, 0, 'd' },
 362   { 0, 0, 0, 0 }
 363 };
 364
 365 /* display usage message and terminate */
 366 static void help(void) {
 367   xprintf("Disobedience - GUI client for DisOrder\n"
 368           "\n"
 369           "Usage:\n"
 370           "  disobedience [OPTIONS]\n"
 371           "Options:\n"
 372           "  --help, -h              Display usage message\n"
 373           "  --version, -V           Display version number\n"
 374           "  --config PATH, -c PATH  Set configuration file\n"
 375           "  --debug, -d             Turn on debugging\n"
 376           "\n"
 377           "Also GTK+ options will work.\n");
 378   xfclose(stdout);
 379   exit(0);
 380 }
 381
 382 static void version_completed(void attribute((unused)) *v,
 383                               const char attribute((unused)) *err,
 384                               const char *ver) {
 385   long major, minor, patch, dev;
 386
 387   if(!ver) {
 388     server_version = 0;
 389     server_version_bytes = 0;
 390     return;
 391   }
 392   server_version = ver;
 393   server_version_bytes = 0;
 394   major = strtol(ver, (char **)&ver, 10);
 395   if(*ver != '.')
 396     return;
 397   ++ver;
 398   minor = strtol(ver, (char **)&ver, 10);
 399   if(*ver == '.') {
 400     ++ver;
 401     patch = strtol(ver, (char **)&ver, 10);
 402   } else
 403     patch = 0;
 404   if(*ver) {
 405     if(*ver == '+') {
 406       dev = 1;
 407       ++ver;
 408     }
 409     if(*ver)
 410       dev = 2;
 411   } else
 412     dev = 0;
 413   server_version_bytes = (major << 24) + (minor << 16) + (patch << 8) + dev;
 414 }
 415
 416 void logged_in(void) {
 417   /* reset the clients */
 418   disorder_eclient_close(client);
 419   disorder_eclient_close(logclient);
 420   rtp_supported = 0;
 421   event_raise("logged-in", 0);
 422   /* Force the periodic checks */
 423   periodic_slow(0);
 424   periodic_fast(0);
 425   /* Recheck server version */
 426   disorder_eclient_version(client, version_completed, 0);
 427   disorder_eclient_enable_connect(client);
 428   disorder_eclient_enable_connect(logclient);
 429 }
 430
 431 int main(int argc, char **argv) {
 432   int n;
 433   gboolean gtkok;
 434
 435   mem_init();
 436   /* garbage-collect PCRE's memory */
 437   pcre_malloc = xmalloc;
 438   pcre_free = xfree;
 439   if(!setlocale(LC_CTYPE, "")) fatal(errno, "error calling setlocale");
 440   gtkok = gtk_init_check(&argc, &argv);
 441   while((n = getopt_long(argc, argv, "hVc:dtHC", options, 0)) >= 0) {
 442     switch(n) {
 443     case 'h': help();
 444     case 'V': version("disobedience");
 445     case 'c': configfile = optarg; break;
 446     case 'd': debugging = 1; break;
 447     case 't': goesupto = 11; break;
 448     default: fatal(0, "invalid option");
 449     }
 450   }
 451   if(!gtkok)
 452     fatal(0, "failed to initialize GTK+");
 453   signal(SIGPIPE, SIG_IGN);
 454   init_styles();
 455   load_settings();
 456   /* create the event loop */
 457   D(("create main loop"));
 458   mainloop = g_main_loop_new(0, 0);
 459   if(config_read(0)) fatal(0, "cannot read configuration");
 460   /* create the clients */
 461   if(!(client = gtkclient())
 462      || !(logclient = gtkclient()))
 463     return 1;                           /* already reported an error */
 464   /* periodic operations (e.g. expiring the cache, checking local volume) */
 465   g_timeout_add(600000/*milliseconds*/, periodic_slow, 0);
 466   g_timeout_add(1000/*milliseconds*/, periodic_fast, 0);
 467   /* global tooltips */
 468   tips = gtk_tooltips_new();
 469   make_toplevel_window();
 470   /* reset styles now everything has its name */
 471   gtk_rc_reset_styles(gtk_settings_get_for_screen(gdk_screen_get_default()));
 472   gtk_widget_show_all(toplevel);
 473   /* issue a NOP every so often */
 474   g_timeout_add_full(G_PRIORITY_LOW,
 475                      2000/*interval, ms*/,
 476                      maybe_send_nop,
 477                      0/*data*/,
 478                      0/*notify*/);
 479   /* Start monitoring the log */
 480   disorder_eclient_log(logclient, &log_callbacks, 0);
 481   /* Initiate all the checks */
 482   periodic_fast(0);
 483   disorder_eclient_version(client, version_completed, 0);
 484   event_register("log-connected", check_rtp_address, 0);
 485   suppress_actions = 0;
 486   playlists_init();
 487   /* If no password is set yet pop up a login box */
 488   if(!config->password)
 489     login_box();
 490   D(("enter main loop"));
 491   g_main_loop_run(mainloop);
 492   return 0;
 493 }
 494
 495 /*
 496 Local Variables:
 497 c-basic-offset:2
 498 comment-column:40
 499 fill-column:79
 500 indent-tabs-mode:nil
 501 End:
 502 */