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