| 1 | /* |
| 2 | * This file is part of DisOrder. |
| 3 | * Copyright (C) 2006-2009 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 3 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, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU 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, see <http://www.gnu.org/licenses/>. |
| 17 | */ |
| 18 | /** @file disobedience/disobedience.c |
| 19 | * @brief Main Disobedience program |
| 20 | */ |
| 21 | |
| 22 | #include "disobedience.h" |
| 23 | #include "version.h" |
| 24 | |
| 25 | #include <getopt.h> |
| 26 | #include <locale.h> |
| 27 | #include <pcre.h> |
| 28 | #include <gcrypt.h> |
| 29 | |
| 30 | /* Apologies for the numerous de-consting casts, but GLib et al do not seem to |
| 31 | * have heard of const. */ |
| 32 | |
| 33 | /* Variables --------------------------------------------------------------- */ |
| 34 | |
| 35 | /** @brief Event loop */ |
| 36 | GMainLoop *mainloop; |
| 37 | |
| 38 | /** @brief Top-level window */ |
| 39 | GtkWidget *toplevel; |
| 40 | |
| 41 | /** @brief Label for progress indicator */ |
| 42 | GtkWidget *report_label; |
| 43 | |
| 44 | /** @brief Main tab group */ |
| 45 | GtkWidget *tabs; |
| 46 | |
| 47 | /** @brief Mini-mode widget for playing track */ |
| 48 | GtkWidget *playing_mini; |
| 49 | |
| 50 | /** @brief Main client */ |
| 51 | disorder_eclient *client; |
| 52 | |
| 53 | /** @brief Log client */ |
| 54 | disorder_eclient *logclient; |
| 55 | |
| 56 | /** @brief Last reported state |
| 57 | * |
| 58 | * This is updated by log_state(). |
| 59 | */ |
| 60 | unsigned long last_state; |
| 61 | |
| 62 | /** @brief True if some track is playing |
| 63 | * |
| 64 | * This ought to be removed in favour of last_state & DISORDER_PLAYING |
| 65 | */ |
| 66 | int playing; |
| 67 | |
| 68 | /** @brief Left channel volume */ |
| 69 | int volume_l; |
| 70 | |
| 71 | /** @brief Right channel volume */ |
| 72 | int volume_r; |
| 73 | |
| 74 | /** @brief Audio backend */ |
| 75 | const struct uaudio *backend; |
| 76 | |
| 77 | double goesupto = 10; /* volume upper bound */ |
| 78 | |
| 79 | /** @brief True if a NOP is in flight */ |
| 80 | static int nop_in_flight; |
| 81 | |
| 82 | /** @brief True if an rtp-address command is in flight */ |
| 83 | static int rtp_address_in_flight; |
| 84 | |
| 85 | /** @brief True if a rights lookup is in flight */ |
| 86 | static int rights_lookup_in_flight; |
| 87 | |
| 88 | /** @brief Current rights bitmap */ |
| 89 | rights_type last_rights; |
| 90 | |
| 91 | /** @brief True if RTP play is available |
| 92 | * |
| 93 | * This is a bit of a bodge... |
| 94 | */ |
| 95 | int rtp_supported; |
| 96 | |
| 97 | /** @brief True if RTP play is enabled */ |
| 98 | int rtp_is_running; |
| 99 | |
| 100 | /** @brief Server version */ |
| 101 | const char *server_version; |
| 102 | |
| 103 | /** @brief Parsed server version */ |
| 104 | long server_version_bytes; |
| 105 | |
| 106 | static GtkWidget *queue; |
| 107 | |
| 108 | static GtkWidget *notebook_box; |
| 109 | |
| 110 | static void check_rtp_address(const char *event, |
| 111 | void *eventdata, |
| 112 | void *callbackdata); |
| 113 | |
| 114 | /* Window creation --------------------------------------------------------- */ |
| 115 | |
| 116 | /* Note that all the client operations kicked off from here will only complete |
| 117 | * after we've entered the event loop. */ |
| 118 | |
| 119 | /** @brief Called when main window is deleted |
| 120 | * |
| 121 | * Terminates the program. |
| 122 | */ |
| 123 | static gboolean delete_event(GtkWidget attribute((unused)) *widget, |
| 124 | GdkEvent attribute((unused)) *event, |
| 125 | gpointer attribute((unused)) data) { |
| 126 | D(("delete_event")); |
| 127 | exit(0); /* die immediately */ |
| 128 | } |
| 129 | |
| 130 | /** @brief Called when the current tab is switched |
| 131 | * |
| 132 | * Updates the menu settings to correspond to the new page. |
| 133 | */ |
| 134 | static void tab_switched(GtkNotebook *notebook, |
| 135 | GtkNotebookPage attribute((unused)) *page, |
| 136 | guint page_num, |
| 137 | gpointer attribute((unused)) user_data) { |
| 138 | GtkWidget *const tab = gtk_notebook_get_nth_page(notebook, page_num); |
| 139 | const struct tabtype *const t = g_object_get_data(G_OBJECT(tab), "type"); |
| 140 | assert(t != 0); |
| 141 | if(t->selected) |
| 142 | t->selected(); |
| 143 | } |
| 144 | |
| 145 | /** @brief Create the report box */ |
| 146 | static GtkWidget *report_box(void) { |
| 147 | GtkWidget *vbox = gtk_vbox_new(FALSE, 0); |
| 148 | |
| 149 | report_label = gtk_label_new(""); |
| 150 | gtk_label_set_ellipsize(GTK_LABEL(report_label), PANGO_ELLIPSIZE_END); |
| 151 | gtk_misc_set_alignment(GTK_MISC(report_label), 0, 0); |
| 152 | gtk_container_add(GTK_CONTAINER(vbox), gtk_hseparator_new()); |
| 153 | gtk_container_add(GTK_CONTAINER(vbox), report_label); |
| 154 | return vbox; |
| 155 | } |
| 156 | |
| 157 | /** @brief Create and populate the main tab group */ |
| 158 | static GtkWidget *notebook(void) { |
| 159 | tabs = gtk_notebook_new(); |
| 160 | /* The current tab is _NORMAL, the rest are _ACTIVE, which is bizarre but |
| 161 | * produces not too dreadful appearance */ |
| 162 | gtk_widget_set_style(tabs, tool_style); |
| 163 | g_signal_connect(tabs, "switch-page", G_CALLBACK(tab_switched), 0); |
| 164 | gtk_notebook_append_page(GTK_NOTEBOOK(tabs), queue = queue_widget(), |
| 165 | gtk_label_new("Queue")); |
| 166 | gtk_notebook_append_page(GTK_NOTEBOOK(tabs), recent_widget(), |
| 167 | gtk_label_new("Recent")); |
| 168 | gtk_notebook_append_page(GTK_NOTEBOOK(tabs), choose_widget(), |
| 169 | gtk_label_new("Choose")); |
| 170 | gtk_notebook_append_page(GTK_NOTEBOOK(tabs), added_widget(), |
| 171 | gtk_label_new("Added")); |
| 172 | return tabs; |
| 173 | } |
| 174 | |
| 175 | static void main_minimode(const char attribute((unused)) *event, |
| 176 | void attribute((unused)) *evendata, |
| 177 | void attribute((unused)) *callbackdata) { |
| 178 | if(full_mode) { |
| 179 | gtk_widget_show(tabs); |
| 180 | gtk_widget_hide(playing_mini); |
| 181 | /* Show the queue (bit confusing otherwise!) */ |
| 182 | gtk_notebook_set_current_page(GTK_NOTEBOOK(tabs), 0); |
| 183 | } else { |
| 184 | gtk_widget_hide(tabs); |
| 185 | gtk_widget_show(playing_mini); |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | /** @brief Create and populate the main window */ |
| 190 | static void make_toplevel_window(void) { |
| 191 | GtkWidget *const vbox = gtk_vbox_new(FALSE, 1); |
| 192 | GtkWidget *const rb = report_box(); |
| 193 | |
| 194 | D(("top_window")); |
| 195 | toplevel = gtk_window_new(GTK_WINDOW_TOPLEVEL); |
| 196 | /* default size is too small */ |
| 197 | gtk_window_set_default_size(GTK_WINDOW(toplevel), 640, 480); |
| 198 | /* terminate on close */ |
| 199 | g_signal_connect(G_OBJECT(toplevel), "delete_event", |
| 200 | G_CALLBACK(delete_event), NULL); |
| 201 | /* lay out the window */ |
| 202 | gtk_window_set_title(GTK_WINDOW(toplevel), "Disobedience"); |
| 203 | gtk_container_add(GTK_CONTAINER(toplevel), vbox); |
| 204 | /* lay out the vbox */ |
| 205 | gtk_box_pack_start(GTK_BOX(vbox), |
| 206 | menubar(toplevel), |
| 207 | FALSE, /* expand */ |
| 208 | FALSE, /* fill */ |
| 209 | 0); |
| 210 | gtk_box_pack_start(GTK_BOX(vbox), |
| 211 | control_widget(), |
| 212 | FALSE, /* expand */ |
| 213 | FALSE, /* fill */ |
| 214 | 0); |
| 215 | playing_mini = playing_widget(); |
| 216 | gtk_box_pack_start(GTK_BOX(vbox), |
| 217 | playing_mini, |
| 218 | FALSE, |
| 219 | FALSE, |
| 220 | 0); |
| 221 | notebook_box = gtk_vbox_new(FALSE, 0); |
| 222 | gtk_container_add(GTK_CONTAINER(notebook_box), notebook()); |
| 223 | gtk_container_add(GTK_CONTAINER(vbox), notebook_box); |
| 224 | gtk_box_pack_end(GTK_BOX(vbox), |
| 225 | rb, |
| 226 | FALSE, /* expand */ |
| 227 | FALSE, /* fill */ |
| 228 | 0); |
| 229 | gtk_widget_set_style(toplevel, tool_style); |
| 230 | event_register("mini-mode-changed", main_minimode, 0); |
| 231 | } |
| 232 | |
| 233 | static void userinfo_rights_completed(void attribute((unused)) *v, |
| 234 | const char *err, |
| 235 | const char *value) { |
| 236 | rights_type r; |
| 237 | |
| 238 | if(err) { |
| 239 | popup_protocol_error(0, err); |
| 240 | r = 0; |
| 241 | } else { |
| 242 | if(parse_rights(value, &r, 0)) |
| 243 | r = 0; |
| 244 | } |
| 245 | /* If rights have changed, signal everything that cares */ |
| 246 | if(r != last_rights) { |
| 247 | last_rights = r; |
| 248 | ++suppress_actions; |
| 249 | event_raise("rights-changed", 0); |
| 250 | --suppress_actions; |
| 251 | } |
| 252 | rights_lookup_in_flight = 0; |
| 253 | } |
| 254 | |
| 255 | static void check_rights(void) { |
| 256 | if(!rights_lookup_in_flight) { |
| 257 | rights_lookup_in_flight = 1; |
| 258 | disorder_eclient_userinfo(client, |
| 259 | userinfo_rights_completed, |
| 260 | config->username, "rights", |
| 261 | 0); |
| 262 | } |
| 263 | } |
| 264 | |
| 265 | /** @brief Called occasionally */ |
| 266 | static gboolean periodic_slow(gpointer attribute((unused)) data) { |
| 267 | D(("periodic_slow")); |
| 268 | /* Expire cached data */ |
| 269 | cache_expire(); |
| 270 | /* Update everything to be sure that the connection to the server hasn't |
| 271 | * mysteriously gone stale on us. */ |
| 272 | all_update(); |
| 273 | event_raise("periodic-slow", 0); |
| 274 | /* Recheck RTP status too */ |
| 275 | check_rtp_address(0, 0, 0); |
| 276 | return TRUE; /* don't remove me */ |
| 277 | } |
| 278 | |
| 279 | /** @brief Called frequently */ |
| 280 | static gboolean periodic_fast(gpointer attribute((unused)) data) { |
| 281 | #if 0 /* debugging hack */ |
| 282 | static struct timeval last; |
| 283 | struct timeval now; |
| 284 | double delta; |
| 285 | |
| 286 | xgettimeofday(&now, 0); |
| 287 | if(last.tv_sec) { |
| 288 | delta = (now.tv_sec + now.tv_sec / 1.0E6) |
| 289 | - (last.tv_sec + last.tv_sec / 1.0E6); |
| 290 | if(delta >= 1.0625) |
| 291 | fprintf(stderr, "%f: %fs between 1s heartbeats\n", |
| 292 | now.tv_sec + now.tv_sec / 1.0E6, |
| 293 | delta); |
| 294 | } |
| 295 | last = now; |
| 296 | #endif |
| 297 | if(rtp_supported && backend && backend->get_volume) { |
| 298 | int nl, nr; |
| 299 | backend->get_volume(&nl, &nr); |
| 300 | if(nl != volume_l || nr != volume_r) { |
| 301 | volume_l = nl; |
| 302 | volume_r = nr; |
| 303 | event_raise("volume-changed", 0); |
| 304 | } |
| 305 | } |
| 306 | /* Periodically check what our rights are */ |
| 307 | int recheck_rights = 1; |
| 308 | if(server_version_bytes >= 0x04010000) |
| 309 | /* Server versions after 4.1 will send updates */ |
| 310 | recheck_rights = 0; |
| 311 | if((server_version_bytes & 0xFF) == 0x01) |
| 312 | /* Development servers might do regardless of their version number */ |
| 313 | recheck_rights = 0; |
| 314 | if(recheck_rights) |
| 315 | check_rights(); |
| 316 | event_raise("periodic-fast", 0); |
| 317 | return TRUE; |
| 318 | } |
| 319 | |
| 320 | /** @brief Called when a NOP completes */ |
| 321 | static void nop_completed(void attribute((unused)) *v, |
| 322 | const char attribute((unused)) *err) { |
| 323 | /* TODO report the error somewhere */ |
| 324 | nop_in_flight = 0; |
| 325 | } |
| 326 | |
| 327 | /** @brief Called from time to time to arrange for a NOP to be sent |
| 328 | * |
| 329 | * At most one NOP remains in flight at any moment. If the client is not |
| 330 | * currently connected then no NOP is sent. |
| 331 | */ |
| 332 | static gboolean maybe_send_nop(gpointer attribute((unused)) data) { |
| 333 | if(!nop_in_flight && (disorder_eclient_state(client) & DISORDER_CONNECTED)) { |
| 334 | nop_in_flight = 1; |
| 335 | disorder_eclient_nop(client, nop_completed, 0); |
| 336 | } |
| 337 | if(rtp_supported) { |
| 338 | const int rtp_was_running = rtp_is_running; |
| 339 | rtp_is_running = rtp_running(); |
| 340 | if(rtp_was_running != rtp_is_running) |
| 341 | event_raise("rtp-changed", 0); |
| 342 | } |
| 343 | return TRUE; /* keep call me please */ |
| 344 | } |
| 345 | |
| 346 | /** @brief Called when a rtp-address command succeeds */ |
| 347 | static void got_rtp_address(void attribute((unused)) *v, |
| 348 | const char *err, |
| 349 | int attribute((unused)) nvec, |
| 350 | char attribute((unused)) **vec) { |
| 351 | const int rtp_was_supported = rtp_supported; |
| 352 | const int rtp_was_running = rtp_is_running; |
| 353 | |
| 354 | ++suppress_actions; |
| 355 | rtp_address_in_flight = 0; |
| 356 | if(err) { |
| 357 | /* An error just means that we're not using network play */ |
| 358 | rtp_supported = 0; |
| 359 | rtp_is_running = 0; |
| 360 | } else { |
| 361 | rtp_supported = 1; |
| 362 | rtp_is_running = rtp_running(); |
| 363 | } |
| 364 | /*fprintf(stderr, "rtp supported->%d, running->%d\n", |
| 365 | rtp_supported, rtp_is_running);*/ |
| 366 | if(rtp_supported != rtp_was_supported |
| 367 | || rtp_is_running != rtp_was_running) |
| 368 | event_raise("rtp-changed", 0); |
| 369 | --suppress_actions; |
| 370 | } |
| 371 | |
| 372 | /** @brief Called to check whether RTP play is available */ |
| 373 | static void check_rtp_address(const char attribute((unused)) *event, |
| 374 | void attribute((unused)) *eventdata, |
| 375 | void attribute((unused)) *callbackdata) { |
| 376 | if(!rtp_address_in_flight) { |
| 377 | //fprintf(stderr, "checking rtp\n"); |
| 378 | disorder_eclient_rtp_address(client, got_rtp_address, NULL); |
| 379 | } |
| 380 | } |
| 381 | |
| 382 | /* main -------------------------------------------------------------------- */ |
| 383 | |
| 384 | static const struct option options[] = { |
| 385 | { "help", no_argument, 0, 'h' }, |
| 386 | { "version", no_argument, 0, 'V' }, |
| 387 | { "config", required_argument, 0, 'c' }, |
| 388 | { "tufnel", no_argument, 0, 't' }, |
| 389 | { "debug", no_argument, 0, 'd' }, |
| 390 | { 0, 0, 0, 0 } |
| 391 | }; |
| 392 | |
| 393 | /* display usage message and terminate */ |
| 394 | static void help(void) { |
| 395 | xprintf("Disobedience - GUI client for DisOrder\n" |
| 396 | "\n" |
| 397 | "Usage:\n" |
| 398 | " disobedience [OPTIONS]\n" |
| 399 | "Options:\n" |
| 400 | " --help, -h Display usage message\n" |
| 401 | " --version, -V Display version number\n" |
| 402 | " --config PATH, -c PATH Set configuration file\n" |
| 403 | " --debug, -d Turn on debugging\n" |
| 404 | "\n" |
| 405 | "Also GTK+ options will work.\n"); |
| 406 | xfclose(stdout); |
| 407 | exit(0); |
| 408 | } |
| 409 | |
| 410 | static void version_completed(void attribute((unused)) *v, |
| 411 | const char attribute((unused)) *err, |
| 412 | const char *ver) { |
| 413 | long major, minor, patch, dev; |
| 414 | |
| 415 | if(!ver) { |
| 416 | server_version = 0; |
| 417 | server_version_bytes = 0; |
| 418 | return; |
| 419 | } |
| 420 | server_version = ver; |
| 421 | server_version_bytes = 0; |
| 422 | major = strtol(ver, (char **)&ver, 10); |
| 423 | if(*ver != '.') |
| 424 | return; |
| 425 | ++ver; |
| 426 | minor = strtol(ver, (char **)&ver, 10); |
| 427 | if(*ver == '.') { |
| 428 | ++ver; |
| 429 | patch = strtol(ver, (char **)&ver, 10); |
| 430 | } else |
| 431 | patch = 0; |
| 432 | if(*ver) { |
| 433 | if(*ver == '+') { |
| 434 | dev = 1; |
| 435 | ++ver; |
| 436 | } |
| 437 | if(*ver) |
| 438 | dev = 2; |
| 439 | } else |
| 440 | dev = 0; |
| 441 | server_version_bytes = (major << 24) + (minor << 16) + (patch << 8) + dev; |
| 442 | } |
| 443 | |
| 444 | void logged_in(void) { |
| 445 | /* reset the clients */ |
| 446 | disorder_eclient_close(client); |
| 447 | disorder_eclient_close(logclient); |
| 448 | rtp_supported = 0; |
| 449 | event_raise("logged-in", 0); |
| 450 | /* Force the periodic checks */ |
| 451 | periodic_slow(0); |
| 452 | periodic_fast(0); |
| 453 | /* Recheck server version */ |
| 454 | disorder_eclient_version(client, version_completed, 0); |
| 455 | disorder_eclient_enable_connect(client); |
| 456 | disorder_eclient_enable_connect(logclient); |
| 457 | } |
| 458 | |
| 459 | int main(int argc, char **argv) { |
| 460 | int n; |
| 461 | gboolean gtkok; |
| 462 | |
| 463 | mem_init(); |
| 464 | /* garbage-collect PCRE's memory */ |
| 465 | pcre_malloc = xmalloc; |
| 466 | pcre_free = xfree; |
| 467 | if(!setlocale(LC_CTYPE, "")) disorder_fatal(errno, "error calling setlocale"); |
| 468 | gtkok = gtk_init_check(&argc, &argv); |
| 469 | while((n = getopt_long(argc, argv, "hVc:dtHC", options, 0)) >= 0) { |
| 470 | switch(n) { |
| 471 | case 'h': help(); |
| 472 | case 'V': version("disobedience"); |
| 473 | case 'c': configfile = optarg; break; |
| 474 | case 'd': debugging = 1; break; |
| 475 | case 't': goesupto = 11; break; |
| 476 | default: disorder_fatal(0, "invalid option"); |
| 477 | } |
| 478 | } |
| 479 | if(!gtkok) |
| 480 | disorder_fatal(0, "failed to initialize GTK+"); |
| 481 | /* gcrypt initialization */ |
| 482 | if(!gcry_check_version(NULL)) |
| 483 | disorder_fatal(0, "gcry_check_version failed"); |
| 484 | gcry_control(GCRYCTL_INIT_SECMEM, 0); |
| 485 | gcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0); |
| 486 | signal(SIGPIPE, SIG_IGN); |
| 487 | init_styles(); |
| 488 | load_settings(); |
| 489 | /* create the event loop */ |
| 490 | D(("create main loop")); |
| 491 | mainloop = g_main_loop_new(0, 0); |
| 492 | if(config_read(0, NULL)) disorder_fatal(0, "cannot read configuration"); |
| 493 | /* we'll need mixer support */ |
| 494 | backend = uaudio_apis[0]; |
| 495 | if(backend->configure) |
| 496 | backend->configure(); |
| 497 | if(backend->open_mixer) |
| 498 | backend->open_mixer(); |
| 499 | /* create the clients */ |
| 500 | if(!(client = gtkclient()) |
| 501 | || !(logclient = gtkclient())) |
| 502 | return 1; /* already reported an error */ |
| 503 | /* periodic operations (e.g. expiring the cache, checking local volume) */ |
| 504 | g_timeout_add(600000/*milliseconds*/, periodic_slow, 0); |
| 505 | g_timeout_add(1000/*milliseconds*/, periodic_fast, 0); |
| 506 | make_toplevel_window(); |
| 507 | /* reset styles now everything has its name */ |
| 508 | gtk_rc_reset_styles(gtk_settings_get_for_screen(gdk_screen_get_default())); |
| 509 | gtk_widget_show_all(toplevel); |
| 510 | gtk_widget_hide(playing_mini); |
| 511 | /* issue a NOP every so often */ |
| 512 | g_timeout_add_full(G_PRIORITY_LOW, |
| 513 | 2000/*interval, ms*/, |
| 514 | maybe_send_nop, |
| 515 | 0/*data*/, |
| 516 | 0/*notify*/); |
| 517 | /* Start monitoring the log */ |
| 518 | disorder_eclient_log(logclient, &log_callbacks, 0); |
| 519 | /* Initiate all the checks */ |
| 520 | periodic_fast(0); |
| 521 | disorder_eclient_version(client, version_completed, 0); |
| 522 | event_register("log-connected", check_rtp_address, 0); |
| 523 | suppress_actions = 0; |
| 524 | playlists_init(); |
| 525 | /* If no password is set yet pop up a login box */ |
| 526 | if(!config->password) |
| 527 | login_box(); |
| 528 | D(("enter main loop")); |
| 529 | g_main_loop_run(mainloop); |
| 530 | return 0; |
| 531 | } |
| 532 | |
| 533 | /* |
| 534 | Local Variables: |
| 535 | c-basic-offset:2 |
| 536 | comment-column:40 |
| 537 | fill-column:79 |
| 538 | indent-tabs-mode:nil |
| 539 | End: |
| 540 | */ |