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

   1 /*
   2  * This file is part of DisOrder.
   3  * Copyright (C) 2004-2008 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
  21 #include <config.h>
  22 #include "types.h"
  23
  24 #include <getopt.h>
  25 #include <sys/types.h>
  26 #include <sys/socket.h>
  27 #include <sys/un.h>
  28 #include <stdio.h>
  29 #include <errno.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32 #include <locale.h>
  33 #include <time.h>
  34 #include <stddef.h>
  35 #include <unistd.h>
  36 #include <assert.h>
  37 #include <pcre.h>
  38 #include <ctype.h>
  39
  40 #include "configuration.h"
  41 #include "syscalls.h"
  42 #include "log.h"
  43 #include "queue.h"
  44 #include "client.h"
  45 #include "wstat.h"
  46 #include "table.h"
  47 #include "charset.h"
  48 #include "kvp.h"
  49 #include "split.h"
  50 #include "sink.h"
  51 #include "plugin.h"
  52 #include "mem.h"
  53 #include "defs.h"
  54 #include "authorize.h"
  55 #include "vector.h"
  56 #include "version.h"
  57 #include "dateparse.h"
  58
  59 static disorder_client *client;
  60
  61 static const struct option options[] = {
  62   { "help", no_argument, 0, 'h' },
  63   { "version", no_argument, 0, 'V' },
  64   { "config", required_argument, 0, 'c' },
  65   { "debug", no_argument, 0, 'd' },
  66   { "local", no_argument, 0, 'l' },
  67   { "no-per-user-config", no_argument, 0, 'N' },
  68   { "help-commands", no_argument, 0, 'H' },
  69   { "user", required_argument, 0, 'u' },
  70   { "password", required_argument, 0, 'p' },
  71   { 0, 0, 0, 0 }
  72 };
  73
  74 /* display usage message and terminate */
  75 static void help(void) {
  76   xprintf("Usage:\n"
  77           "  disorder [OPTIONS] COMMAND ...\n"
  78           "Options:\n"
  79           "  --help, -h              Display usage message\n"
  80           "  --help-commands, -H     List commands\n"
  81           "  --version, -V           Display version number\n"
  82           "  --config PATH, -c PATH  Set configuration file\n"
  83           "  --local, -l             Force connection to local server\n"
  84           "  --debug, -d             Turn on debugging\n");
  85   xfclose(stdout);
  86   exit(0);
  87 }
  88
  89 static disorder_client *getclient(void) {
  90   if(!client) {
  91     if(!(client = disorder_new(1))) exit(EXIT_FAILURE);
  92     if(disorder_connect(client)) exit(EXIT_FAILURE);
  93   }
  94   return client;
  95 }
  96
  97 static void cf_version(char attribute((unused)) **argv) {
  98   char *v;
  99
 100   if(disorder_version(getclient(), &v)) exit(EXIT_FAILURE);
 101   xprintf("%s\n", nullcheck(utf82mb(v)));
 102 }
 103
 104 static void print_queue_entry(const struct queue_entry *q) {
 105   if(q->track) xprintf("track %s\n", nullcheck(utf82mb(q->track)));
 106   if(q->id) xprintf("  id %s\n", nullcheck(utf82mb(q->id)));
 107   if(q->submitter) xprintf("  submitted by %s at %s",
 108                            nullcheck(utf82mb(q->submitter)), ctime(&q->when));
 109   if(q->played) xprintf("  played at %s", ctime(&q->played));
 110   if(q->state == playing_started
 111      || q->state == playing_paused) xprintf("  %lds so far",  q->sofar);
 112   else if(q->expected) xprintf("  might start at %s", ctime(&q->expected));
 113   if(q->scratched) xprintf("  scratched by %s\n",
 114                            nullcheck(utf82mb(q->scratched)));
 115   else xprintf("  %s\n", playing_states[q->state]);
 116   if(q->wstat) xprintf("  %s\n", wstat(q->wstat));
 117 }
 118
 119 static void cf_playing(char attribute((unused)) **argv) {
 120   struct queue_entry *q;
 121
 122   if(disorder_playing(getclient(), &q)) exit(EXIT_FAILURE);
 123   if(q)
 124     print_queue_entry(q);
 125   else
 126     xprintf("nothing\n");
 127 }
 128
 129 static void cf_play(char **argv) {
 130   while(*argv)
 131     if(disorder_play(getclient(), *argv++)) exit(EXIT_FAILURE);
 132 }
 133
 134 static void cf_remove(char **argv) {
 135   if(disorder_remove(getclient(), argv[0])) exit(EXIT_FAILURE);
 136 }
 137
 138 static void cf_disable(char attribute((unused)) **argv) {
 139   if(disorder_disable(getclient())) exit(EXIT_FAILURE);
 140 }
 141
 142 static void cf_enable(char attribute((unused)) **argv) {
 143   if(disorder_enable(getclient())) exit(EXIT_FAILURE);
 144 }
 145
 146 static void cf_scratch(char **argv) {
 147   if(disorder_scratch(getclient(), argv[0])) exit(EXIT_FAILURE);
 148 }
 149
 150 static void cf_shutdown(char attribute((unused)) **argv) {
 151   if(disorder_shutdown(getclient())) exit(EXIT_FAILURE);
 152 }
 153
 154 static void cf_reconfigure(char attribute((unused)) **argv) {
 155   /* Re-check configuration for server */
 156   if(config_read(1)) fatal(0, "cannot read configuration");
 157   if(disorder_reconfigure(getclient())) exit(EXIT_FAILURE);
 158 }
 159
 160 static void cf_rescan(char attribute((unused)) **argv) {
 161   if(disorder_rescan(getclient())) exit(EXIT_FAILURE);
 162 }
 163
 164 static void cf_somequeue(int (*fn)(disorder_client *c,
 165                                    struct queue_entry **qp)) {
 166   struct queue_entry *q;
 167
 168   if(fn(getclient(), &q)) exit(EXIT_FAILURE);
 169   while(q) {
 170     print_queue_entry(q);
 171     q = q->next;
 172   }
 173 }
 174
 175 static void cf_recent(char attribute((unused)) **argv) {
 176   cf_somequeue(disorder_recent);
 177 }
 178
 179 static void cf_queue(char attribute((unused)) **argv) {
 180   cf_somequeue(disorder_queue);
 181 }
 182
 183 static void cf_quack(char attribute((unused)) **argv) {
 184   xprintf("\n"
 185           " .------------------.\n"
 186           " | Naath is a babe! |\n"
 187           " `---------+--------'\n"
 188           "            \\\n"
 189           "              >0\n"
 190           "               (<)'\n"
 191           "~~~~~~~~~~~~~~~~~~~~~~\n"
 192           "\n");
 193 }
 194
 195 static void cf_somelist(char **argv,
 196                         int (*fn)(disorder_client *c,
 197                                   const char *arg, const char *re,
 198                                   char ***vecp, int *nvecp)) {
 199   char **vec;
 200   const char *re;
 201
 202   if(argv[1])
 203     re = xstrdup(argv[1] + 1);
 204   else
 205     re = 0;
 206   if(fn(getclient(), argv[0], re, &vec, 0)) exit(EXIT_FAILURE);
 207   while(*vec)
 208     xprintf("%s\n", nullcheck(utf82mb(*vec++)));
 209 }
 210
 211 static int isarg_regexp(const char *s) {
 212   return s[0] == '~';
 213 }
 214
 215 static void cf_dirs(char **argv) {
 216   cf_somelist(argv, disorder_directories);
 217 }
 218
 219 static void cf_files(char **argv) {
 220   cf_somelist(argv, disorder_files);
 221 }
 222
 223 static void cf_allfiles(char **argv) {
 224   cf_somelist(argv, disorder_allfiles);
 225 }
 226
 227 static void cf_get(char **argv) {
 228   char *value;
 229
 230   if(disorder_get(getclient(), argv[0], argv[1], &value)) exit(EXIT_FAILURE);
 231   xprintf("%s\n", nullcheck(utf82mb(value)));
 232 }
 233
 234 static void cf_length(char **argv) {
 235   long length;
 236
 237   if(disorder_length(getclient(), argv[0], &length)) exit(EXIT_FAILURE);
 238   xprintf("%ld\n", length);
 239 }
 240
 241 static void cf_set(char **argv) {
 242   if(disorder_set(getclient(), argv[0], argv[1], argv[2])) exit(EXIT_FAILURE);
 243 }
 244
 245 static void cf_unset(char **argv) {
 246   if(disorder_unset(getclient(), argv[0], argv[1])) exit(EXIT_FAILURE);
 247 }
 248
 249 static void cf_prefs(char **argv) {
 250   struct kvp *k;
 251
 252   if(disorder_prefs(getclient(), argv[0], &k)) exit(EXIT_FAILURE);
 253   for(; k; k = k->next)
 254     xprintf("%s = %s\n",
 255             nullcheck(utf82mb(k->name)), nullcheck(utf82mb(k->value)));
 256 }
 257
 258 static void cf_search(char **argv) {
 259   char **results;
 260   int nresults, n;
 261
 262   if(disorder_search(getclient(), *argv, &results, &nresults)) exit(EXIT_FAILURE);
 263   for(n = 0; n < nresults; ++n)
 264     xprintf("%s\n", nullcheck(utf82mb(results[n])));
 265 }
 266
 267 static void cf_random_disable(char attribute((unused)) **argv) {
 268   if(disorder_random_disable(getclient())) exit(EXIT_FAILURE);
 269 }
 270
 271 static void cf_random_enable(char attribute((unused)) **argv) {
 272   if(disorder_random_enable(getclient())) exit(EXIT_FAILURE);
 273 }
 274
 275 static void cf_stats(char attribute((unused)) **argv) {
 276   char **vec;
 277
 278   if(disorder_stats(getclient(), &vec, 0)) exit(EXIT_FAILURE);
 279   while(*vec)
 280       xprintf("%s\n", nullcheck(utf82mb(*vec++)));
 281 }
 282
 283 static void cf_get_volume(char attribute((unused)) **argv) {
 284   int l, r;
 285
 286   if(disorder_get_volume(getclient(), &l, &r)) exit(EXIT_FAILURE);
 287   xprintf("%d %d\n", l, r);
 288 }
 289
 290 static void cf_set_volume(char **argv) {
 291   if(disorder_set_volume(getclient(), atoi(argv[0]), atoi(argv[1]))) exit(EXIT_FAILURE);
 292 }
 293
 294 static void cf_log(char attribute((unused)) **argv) {
 295   if(disorder_log(getclient(), sink_stdio("stdout", stdout))) exit(EXIT_FAILURE);
 296 }
 297
 298 static void cf_move(char **argv) {
 299   long n;
 300   int e;
 301
 302   if((e = xstrtol(&n, argv[1], 0, 10)))
 303     fatal(e, "cannot convert '%s'", argv[1]);
 304   if(n > INT_MAX || n < INT_MIN)
 305     fatal(e, "%ld out of range", n);
 306   if(disorder_move(getclient(), argv[0], (int)n)) exit(EXIT_FAILURE);
 307 }
 308
 309 static void cf_part(char **argv) {
 310   char *s;
 311
 312   if(disorder_part(getclient(), &s, argv[0], argv[1], argv[2])) exit(EXIT_FAILURE);
 313   xprintf("%s\n", nullcheck(utf82mb(s)));
 314 }
 315
 316 static int isarg_filename(const char *s) {
 317   return s[0] == '/';
 318 }
 319
 320 static void cf_authorize(char **argv) {
 321   authorize(getclient(), argv[0], argv[1]);
 322 }
 323
 324 static void cf_resolve(char **argv) {
 325   char *track;
 326
 327   if(disorder_resolve(getclient(), &track, argv[0])) exit(EXIT_FAILURE);
 328   xprintf("%s\n", nullcheck(utf82mb(track)));
 329 }
 330
 331 static void cf_pause(char attribute((unused)) **argv) {
 332   if(disorder_pause(getclient())) exit(EXIT_FAILURE);
 333 }
 334
 335 static void cf_resume(char attribute((unused)) **argv) {
 336   if(disorder_resume(getclient())) exit(EXIT_FAILURE);
 337 }
 338
 339 static void cf_tags(char attribute((unused)) **argv) {
 340   char **vec;
 341
 342   if(disorder_tags(getclient(), &vec, 0)) exit(EXIT_FAILURE);
 343   while(*vec)
 344       xprintf("%s\n", nullcheck(utf82mb(*vec++)));
 345 }
 346
 347 static void cf_users(char attribute((unused)) **argv) {
 348   char **vec;
 349
 350   if(disorder_users(getclient(), &vec, 0)) exit(EXIT_FAILURE);
 351   while(*vec)
 352     xprintf("%s\n", nullcheck(utf82mb(*vec++)));
 353 }
 354
 355 static void cf_get_global(char **argv) {
 356   char *value;
 357
 358   if(disorder_get_global(getclient(), argv[0], &value)) exit(EXIT_FAILURE);
 359   xprintf("%s\n", nullcheck(utf82mb(value)));
 360 }
 361
 362 static void cf_set_global(char **argv) {
 363   if(disorder_set_global(getclient(), argv[0], argv[1])) exit(EXIT_FAILURE);
 364 }
 365
 366 static void cf_unset_global(char **argv) {
 367   if(disorder_unset_global(getclient(), argv[0])) exit(EXIT_FAILURE);
 368 }
 369
 370 static int isarg_integer(const char *s) {
 371   if(!*s) return 0;
 372   while(*s) {
 373     if(!isdigit((unsigned char)*s))
 374       return 0;
 375     ++s;
 376   }
 377   return 1;
 378 }
 379
 380 static void cf_new(char **argv) {
 381   char **vec;
 382
 383   if(disorder_new_tracks(getclient(), &vec, 0, argv[0] ? atoi(argv[0]) : 0))
 384     exit(EXIT_FAILURE);
 385   while(*vec)
 386     xprintf("%s\n", nullcheck(utf82mb(*vec++)));
 387 }
 388
 389 static void cf_rtp_address(char attribute((unused)) **argv) {
 390   char *address, *port;
 391
 392   if(disorder_rtp_address(getclient(), &address, &port)) exit(EXIT_FAILURE);
 393   xprintf("address: %s\nport: %s\n", address, port);
 394 }
 395
 396 static int isarg_rights(const char *arg) {
 397   return strchr(arg, ',') || !parse_rights(arg, 0, 0);
 398 }
 399
 400 static void cf_adduser(char **argv) {
 401   if(disorder_adduser(getclient(), argv[0], argv[1], argv[2]))
 402     exit(EXIT_FAILURE);
 403 }
 404
 405 static void cf_deluser(char **argv) {
 406   if(disorder_deluser(getclient(), argv[0]))
 407     exit(EXIT_FAILURE);
 408 }
 409
 410 static void cf_edituser(char **argv) {
 411   if(disorder_edituser(getclient(), argv[0], argv[1], argv[2]))
 412     exit(EXIT_FAILURE);
 413 }
 414
 415 static void cf_userinfo(char **argv) {
 416   char *s;
 417
 418   if(disorder_userinfo(getclient(), argv[0], argv[1], &s))
 419     exit(EXIT_FAILURE);
 420   xprintf("%s\n", nullcheck(utf82mb(s)));
 421 }
 422
 423 static int isarg_option(const char *arg) {
 424   return arg[0] == '-';
 425 }
 426
 427 static int argvlen(char **argv) {
 428   char **start = argv;
 429
 430   while(*argv)
 431     ++argv;
 432   return argv - start;
 433 }
 434
 435 static const struct option setup_guest_options[] = {
 436   { "help", no_argument, 0, 'h' },
 437   { "online-registration", no_argument, 0, 'r' },
 438   { "no-online-registration", no_argument, 0, 'R' },
 439   { 0, 0, 0, 0 }
 440 };
 441
 442 static void help_setup_guest(void) {
 443   xprintf("Usage:\n"
 444           "  disorder setup-guest [OPTIONS]\n"
 445           "Options:\n"
 446           "  --help, -h                Display usage message\n"
 447           "  --online-registration     Enable online registration (default)\n"
 448           "  --no-online-registration  Disable online registration\n");
 449   xfclose(stdout);
 450   exit(0);
 451 }
 452
 453 static void cf_setup_guest(char **argv) {
 454   int n, online_registration = 1;
 455
 456   while((n = getopt_long(argvlen(argv) + 1, argv - 1,
 457                          "hrR", setup_guest_options, 0)) >= 0) {
 458     switch(n) {
 459     case 'h': help_setup_guest();
 460     case 'r': online_registration = 1; break;
 461     case 'R': online_registration = 0; break;
 462     default: fatal(0, "invalid option");
 463     }
 464   }
 465   if(online_registration && !config->mail_sender)
 466     fatal(0, "you MUST set mail_sender if you want online registration");
 467   if(disorder_adduser(getclient(), "guest", "",
 468                       online_registration ? "read,register" : "read"))
 469     exit(EXIT_FAILURE);
 470 }
 471
 472 struct scheduled_event {
 473   time_t when;
 474   struct kvp *actiondata;
 475   char *id;
 476 };
 477
 478 static int compare_event(const void *av, const void *bv) {
 479   struct scheduled_event *a = (void *)av, *b = (void *)bv;
 480
 481   /* Primary sort key is the trigger time */
 482   if(a->when < b->when)
 483     return -1;
 484   else if(a->when > b->when)
 485     return 1;
 486   /* For events that go off at the same time just sort by ID */
 487   return strcmp(a->id, b->id);
 488 }
 489
 490 static void cf_schedule_list(char attribute((unused)) **argv) {
 491   char **ids;
 492   int nids, n;
 493   struct scheduled_event *events;
 494   char tb[128];
 495   const char *action, *key, *value, *priority;
 496   int prichar;
 497
 498   /* Get all known events */
 499   if(disorder_schedule_list(getclient(), &ids, &nids))
 500     exit(EXIT_FAILURE);
 501   events = xcalloc(nids, sizeof *events);
 502   for(n = 0; n < nids; ++n) {
 503     events[n].id = ids[n];
 504     if(disorder_schedule_get(getclient(), ids[n], &events[n].actiondata))
 505       exit(EXIT_FAILURE);
 506     events[n].when = atoll(kvp_get(events[n].actiondata, "when"));
 507   }
 508   /* Sort by trigger time */
 509   qsort(events, nids, sizeof *events, compare_event);
 510   /* Display them */
 511   for(n = 0; n < nids; ++n) {
 512     strftime(tb, sizeof tb, "%Y-%m-%d %H:%M:%S %Z", localtime(&events[n].when));
 513     action = kvp_get(events[n].actiondata, "action");
 514     priority = kvp_get(events[n].actiondata, "priority");
 515     if(!strcmp(priority, "junk"))
 516       prichar = 'J';
 517     else if(!strcmp(priority, "normal"))
 518       prichar = 'N';
 519     else
 520       prichar = '?';
 521     xprintf("%11s %-25s %c %-8s %s",
 522             events[n].id, tb, prichar, kvp_get(events[n].actiondata, "who"),
 523             action);
 524     if(!strcmp(action, "play"))
 525       xprintf(" %s",
 526               nullcheck(utf82mb(kvp_get(events[n].actiondata, "track"))));
 527     else if(!strcmp(action, "set-global")) {
 528       key = kvp_get(events[n].actiondata, "key");
 529       value = kvp_get(events[n].actiondata, "value");
 530       if(value)
 531         xprintf(" %s=%s",
 532                 nullcheck(utf82mb(key)),
 533                 nullcheck(utf82mb(value)));
 534       else
 535         xprintf(" %s unset",
 536                 nullcheck(utf82mb(key)));
 537     }
 538     xprintf("\n");
 539   }
 540 }
 541
 542 static void cf_schedule_del(char **argv) {
 543   if(disorder_schedule_del(getclient(), argv[0]))
 544     exit(EXIT_FAILURE);
 545 }
 546
 547 static void cf_schedule_play(char **argv) {
 548   if(disorder_schedule_add(getclient(),
 549                            dateparse(argv[0]),
 550                            argv[1],
 551                            "play",
 552                            argv[2]))
 553     exit(EXIT_FAILURE);
 554 }
 555
 556 static void cf_schedule_set_global(char **argv) {
 557   if(disorder_schedule_add(getclient(),
 558                            dateparse(argv[0]),
 559                            argv[1],
 560                            "set-global",
 561                            argv[2],
 562                            argv[3]))
 563     exit(EXIT_FAILURE);
 564 }
 565
 566 static void cf_schedule_unset_global(char **argv) {
 567   if(disorder_schedule_add(getclient(),
 568                            dateparse(argv[0]),
 569                            argv[1],
 570                            "set-global",
 571                            argv[2],
 572                            (char *)0))
 573     exit(EXIT_FAILURE);
 574 }
 575
 576 static const struct command {
 577   const char *name;
 578   int min, max;
 579   void (*fn)(char **);
 580   int (*isarg)(const char *);
 581   const char *argstr, *desc;
 582 } commands[] = {
 583   { "adduser",        2, 3, cf_adduser, isarg_rights, "USERNAME PASSWORD [RIGHTS]",
 584                       "Create a new user" },
 585   { "allfiles",       1, 2, cf_allfiles, isarg_regexp, "DIR [~REGEXP]",
 586                       "List all files and directories in DIR" },
 587   { "authorize",      1, 2, cf_authorize, isarg_rights, "USERNAME [RIGHTS]",
 588                       "Authorize user USERNAME to connect" },
 589   { "deluser",        1, 1, cf_deluser, 0, "USERNAME",
 590                       "Delete user USERNAME" },
 591   { "dirs",           1, 2, cf_dirs, isarg_regexp, "DIR [~REGEXP]",
 592                       "List directories in DIR" },
 593   { "disable",        0, 0, cf_disable, 0, "",
 594                       "Disable play" },
 595   { "disable-random", 0, 0, cf_random_disable, 0, "",
 596                       "Disable random play" },
 597   { "edituser",       3, 3, cf_edituser, 0, "USERNAME PROPERTY VALUE",
 598                       "Set a property of user USERNAME" },
 599   { "enable",         0, 0, cf_enable, 0, "",
 600                       "Enable play" },
 601   { "enable-random",  0, 0, cf_random_enable, 0, "",
 602                       "Enable random play" },
 603   { "files",          1, 2, cf_files, isarg_regexp, "DIR [~REGEXP]",
 604                       "List files in DIR" },
 605   { "get",            2, 2, cf_get, 0, "TRACK NAME",
 606                       "Get a preference value" },
 607   { "get-global",     1, 1, cf_get_global, 0, "NAME",
 608                       "Get a global preference value" },
 609   { "get-volume",     0, 0, cf_get_volume, 0, "",
 610                       "Get the current volume" },
 611   { "length",         1, 1, cf_length, 0, "TRACK",
 612                       "Get the length of TRACK in seconds" },
 613   { "log",            0, 0, cf_log, 0, "",
 614                       "Copy event log to stdout" },
 615   { "move",           2, 2, cf_move, 0, "TRACK DELTA",
 616                       "Move a track in the queue" },
 617   { "new",            0, 1, cf_new, isarg_integer, "[MAX]",
 618                       "Get the most recently added MAX tracks" },
 619   { "part",           3, 3, cf_part, 0, "TRACK CONTEXT PART",
 620                       "Find a track name part" },
 621   { "pause",          0, 0, cf_pause, 0, "",
 622                       "Pause the currently playing track" },
 623   { "play",           1, INT_MAX, cf_play, isarg_filename, "TRACKS...",
 624                       "Add TRACKS to the end of the queue" },
 625   { "playing",        0, 0, cf_playing, 0, "",
 626                       "Report the playing track" },
 627   { "prefs",          1, 1, cf_prefs, 0, "TRACK",
 628                       "Display all the preferences for TRACK" },
 629   { "quack",          0, 0, cf_quack, 0, 0, 0 },
 630   { "queue",          0, 0, cf_queue, 0, "",
 631                       "Display the current queue" },
 632   { "random-disable", 0, 0, cf_random_disable, 0, "",
 633                       "Disable random play" },
 634   { "random-enable",  0, 0, cf_random_enable, 0, "",
 635                       "Enable random play" },
 636   { "recent",         0, 0, cf_recent, 0, "",
 637                       "Display recently played track" },
 638   { "reconfigure",    0, 0, cf_reconfigure, 0, "",
 639                       "Reconfigure the daemon" },
 640   { "remove",         1, 1, cf_remove, 0, "TRACK",
 641                       "Remove a track from the queue" },
 642   { "rescan",         0, 0, cf_rescan, 0, "",
 643                       "Rescan for new tracks" },
 644   { "resolve",        1, 1, cf_resolve, 0, "TRACK",
 645                       "Resolve alias for TRACK" },
 646   { "resume",         0, 0, cf_resume, 0, "",
 647                       "Resume after a pause" },
 648   { "rtp-address",    0, 0, cf_rtp_address, 0, "",
 649                       "Report server's broadcast address" },
 650   { "schedule-del",   1, 1, cf_schedule_del, 0, "EVENT",
 651                       "Delete a scheduled event" },
 652   { "schedule-list",  0, 0, cf_schedule_list, 0, "",
 653                       "List scheduled events" },
 654   { "schedule-play",  3, 3, cf_schedule_play, 0, "WHEN PRI TRACK",
 655                       "Play TRACK later" },
 656   { "schedule-set-global", 4, 4, cf_schedule_set_global, 0, "WHEN PRI NAME VAL",
 657                       "Set a global preference later" },
 658   { "schedule-unset-global", 3, 3, cf_schedule_unset_global, 0, "WHEN PRI NAME",
 659                       "Unset a global preference later" },
 660   { "scratch",        0, 0, cf_scratch, 0, "",
 661                       "Scratch the currently playing track" },
 662   { "scratch-id",     1, 1, cf_scratch, 0, "ID",
 663                       "Scratch the currently playing track" },
 664   { "search",         1, 1, cf_search, 0, "WORDS",
 665                       "Display tracks matching all the words" },
 666   { "set",            3, 3, cf_set, 0, "TRACK NAME VALUE",
 667                       "Set a preference value" },
 668   { "set-global",     2, 2, cf_set_global, 0, "NAME VALUE",
 669                       "Set a global preference value" },
 670   { "set-volume",     2, 2, cf_set_volume, 0, "LEFT RIGHT",
 671                       "Set the volume" },
 672   { "setup-guest",    0, INT_MAX, cf_setup_guest, isarg_option, "[OPTIONS]",
 673                       "Create the guest login" },
 674   { "shutdown",       0, 0, cf_shutdown, 0, "",
 675                       "Shut down the daemon" },
 676   { "stats",          0, 0, cf_stats, 0, "",
 677                       "Display server statistics" },
 678   { "tags",           0, 0, cf_tags, 0, "",
 679                       "List known tags" },
 680   { "unset",          2, 2, cf_unset, 0, "TRACK NAME",
 681                       "Unset a preference" },
 682   { "unset-global",   1, 1, cf_unset_global, 0, "NAME",
 683                       "Unset a global preference" },
 684   { "userinfo",       2, 2, cf_userinfo, 0, "USERNAME PROPERTY",
 685                       "Get a property of a user" },
 686   { "users",          0, 0, cf_users, 0, "",
 687                       "List all users" },
 688   { "version",        0, 0, cf_version, 0, "",
 689                       "Display the server version" },
 690 };
 691
 692 static void help_commands(void) {
 693   unsigned n, max = 0, l;
 694
 695   xprintf("Command summary:\n");
 696   for(n = 0; n < sizeof commands / sizeof *commands; ++n) {
 697     if(!commands[n].desc) continue;
 698     l = strlen(commands[n].name);
 699     if(*commands[n].argstr)
 700       l += strlen(commands[n].argstr) + 1;
 701     if(l > max)
 702       max = l;
 703   }
 704   for(n = 0; n < sizeof commands / sizeof *commands; ++n) {
 705     if(!commands[n].desc) continue;
 706     l = strlen(commands[n].name);
 707     if(*commands[n].argstr)
 708       l += strlen(commands[n].argstr) + 1;
 709     xprintf("  %s%s%s%*s  %s\n", commands[n].name,
 710             *commands[n].argstr ? " " : "",
 711             commands[n].argstr,
 712             max - l, "",
 713             commands[n].desc);
 714   }
 715   xfclose(stdout);
 716   exit(0);
 717 }
 718
 719 int main(int argc, char **argv) {
 720   int n, i, j, local = 0;
 721   int status = 0;
 722   struct vector args;
 723   const char *user = 0, *password = 0;
 724
 725   mem_init();
 726   /* garbage-collect PCRE's memory */
 727   pcre_malloc = xmalloc;
 728   pcre_free = xfree;
 729   if(!setlocale(LC_CTYPE, "")) fatal(errno, "error calling setlocale");
 730   if(!setlocale(LC_TIME, "")) fatal(errno, "error calling setlocale");
 731   while((n = getopt_long(argc, argv, "+hVc:dHlNu:p:", options, 0)) >= 0) {
 732     switch(n) {
 733     case 'h': help();
 734     case 'H': help_commands();
 735     case 'V': version("disorder");
 736     case 'c': configfile = optarg; break;
 737     case 'd': debugging = 1; break;
 738     case 'l': local = 1; break;
 739     case 'N': config_per_user = 0; break;
 740     case 'u': user = optarg; break;
 741     case 'p': password = optarg; break;
 742     default: fatal(0, "invalid option");
 743     }
 744   }
 745   if(config_read(0)) fatal(0, "cannot read configuration");
 746   if(user) {
 747     config->username = user;
 748     config->password = 0;
 749   }
 750   if(password)
 751     config->password = password;
 752   if(local)
 753     config->connect.n = 0;
 754   n = optind;
 755   optind = 1;                           /* for subsequent getopt calls */
 756   /* accumulate command args */
 757   while(n < argc) {
 758     if((i = TABLE_FIND(commands, name, argv[n])) < 0)
 759       fatal(0, "unknown command '%s'", argv[n]);
 760     if(n + commands[i].min >= argc)
 761       fatal(0, "missing arguments to '%s'", argv[n]);
 762     vector_init(&args);
 763     /* Include the command name in the args, but at element -1, for
 764      * the benefit of subcommand getopt calls */
 765     vector_append(&args, argv[n]);
 766     n++;
 767     for(j = 0; j < commands[i].min; ++j)
 768       vector_append(&args, nullcheck(mb2utf8(argv[n + j])));
 769     for(; j < commands[i].max
 770           && n + j < argc
 771           && commands[i].isarg(argv[n + j]); ++j)
 772       vector_append(&args, nullcheck(mb2utf8(argv[n + j])));
 773     vector_terminate(&args);
 774     commands[i].fn(args.vec + 1);
 775     n += j;
 776   }
 777   if(client && disorder_close(client)) exit(EXIT_FAILURE);
 778   if(fclose(stdout) < 0) fatal(errno, "error closing stdout");
 779   return status;
 780 }
 781
 782 /*
 783 Local Variables:
 784 c-basic-offset:2
 785 comment-column:40
 786 End:
 787 */