src/mpdclient.c

   1 /* ncmpc (Ncurses MPD Client)
   2  * (c) 2004-2010 The Music Player Daemon Project
   3  * Project homepage: http://musicpd.org
   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,
  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 along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19
  20 #include "mpdclient.h"
  21 #include "filelist.h"
  22 #include "screen_client.h"
  23 #include "config.h"
  24 #include "options.h"
  25 #include "strfsong.h"
  26 #include "utils.h"
  27 #include "gidle.h"
  28
  29 #include <mpd/client.h>
  30
  31 #include <stdlib.h>
  32 #include <unistd.h>
  33 #include <time.h>
  34 #include <string.h>
  35
  36 #define BUFSIZE 1024
  37
  38 /* sort by list-format */
  39 gint
  40 compare_filelistentry_format(gconstpointer filelist_entry1,
  41                              gconstpointer filelist_entry2)
  42 {
  43         const struct mpd_entity *e1, *e2;
  44         char key1[BUFSIZE], key2[BUFSIZE];
  45         int n = 0;
  46
  47         e1 = ((const struct filelist_entry *)filelist_entry1)->entity;
  48         e2 = ((const struct filelist_entry *)filelist_entry2)->entity;
  49
  50         if (e1 && e2 &&
  51             mpd_entity_get_type(e1) == MPD_ENTITY_TYPE_SONG &&
  52             mpd_entity_get_type(e2) == MPD_ENTITY_TYPE_SONG) {
  53                 strfsong(key1, BUFSIZE, options.list_format, mpd_entity_get_song(e1));
  54                 strfsong(key2, BUFSIZE, options.list_format, mpd_entity_get_song(e2));
  55                 n = strcmp(key1,key2);
  56         }
  57
  58         return n;
  59 }
  60
  61
  62 /****************************************************************************/
  63 /*** mpdclient functions ****************************************************/
  64 /****************************************************************************/
  65
  66 bool
  67 mpdclient_handle_error(struct mpdclient *c)
  68 {
  69         enum mpd_error error = mpd_connection_get_error(c->connection);
  70
  71         assert(error != MPD_ERROR_SUCCESS);
  72
  73         if (error == MPD_ERROR_SERVER &&
  74             mpd_connection_get_server_error(c->connection) == MPD_SERVER_ERROR_PERMISSION &&
  75             screen_auth(c))
  76                 return true;
  77
  78         mpdclient_ui_error(mpd_connection_get_error_message(c->connection));
  79
  80         if (!mpd_connection_clear_error(c->connection))
  81                 mpdclient_disconnect(c);
  82
  83         return false;
  84 }
  85
  86 struct mpdclient *
  87 mpdclient_new(void)
  88 {
  89         struct mpdclient *c;
  90
  91         c = g_new0(struct mpdclient, 1);
  92         playlist_init(&c->playlist);
  93         c->volume = -1;
  94         c->events = 0;
  95
  96         return c;
  97 }
  98
  99 void
 100 mpdclient_free(struct mpdclient *c)
 101 {
 102         mpdclient_disconnect(c);
 103
 104         mpdclient_playlist_free(&c->playlist);
 105
 106         g_free(c);
 107 }
 108
 109 void
 110 mpdclient_disconnect(struct mpdclient *c)
 111 {
 112         if (c->source != NULL) {
 113                 mpd_glib_free(c->source);
 114                 c->source = NULL;
 115                 c->idle = false;
 116         }
 117
 118         if (c->connection) {
 119                 mpd_connection_free(c->connection);
 120                 ++c->connection_id;
 121         }
 122         c->connection = NULL;
 123
 124         if (c->status)
 125                 mpd_status_free(c->status);
 126         c->status = NULL;
 127
 128         playlist_clear(&c->playlist);
 129
 130         if (c->song)
 131                 c->song = NULL;
 132
 133         /* everything has changed after a disconnect */
 134         c->events |= MPD_IDLE_ALL;
 135 }
 136
 137 bool
 138 mpdclient_connect(struct mpdclient *c,
 139                   const gchar *host,
 140                   gint port,
 141                   unsigned timeout_ms,
 142                   const gchar *password)
 143 {
 144         /* close any open connection */
 145         if (c->connection)
 146                 mpdclient_disconnect(c);
 147
 148         /* connect to MPD */
 149         c->connection = mpd_connection_new(host, port, timeout_ms);
 150         if (c->connection == NULL)
 151                 g_error("Out of memory");
 152
 153         if (mpd_connection_get_error(c->connection) != MPD_ERROR_SUCCESS) {
 154                 mpdclient_handle_error(c);
 155                 mpdclient_disconnect(c);
 156                 return false;
 157         }
 158
 159         /* send password */
 160         if (password != NULL && !mpd_run_password(c->connection, password)) {
 161                 mpdclient_handle_error(c);
 162                 mpdclient_disconnect(c);
 163                 return false;
 164         }
 165
 166         ++c->connection_id;
 167
 168         return true;
 169 }
 170
 171 bool
 172 mpdclient_update(struct mpdclient *c)
 173 {
 174         struct mpd_connection *connection = mpdclient_get_connection(c);
 175
 176         c->volume = -1;
 177
 178         if (connection == NULL)
 179                 return false;
 180
 181         /* always announce these options as long as we don't have
 182            "idle" support */
 183         if (c->source == NULL)
 184                 c->events |= MPD_IDLE_PLAYER|MPD_IDLE_OPTIONS;
 185
 186         /* free the old status */
 187         if (c->status)
 188                 mpd_status_free(c->status);
 189
 190         /* retrieve new status */
 191         c->status = mpd_run_status(connection);
 192         if (c->status == NULL)
 193                 return mpdclient_handle_error(c);
 194
 195         if (c->source == NULL &&
 196             c->update_id != mpd_status_get_update_id(c->status)) {
 197                 c->events |= MPD_IDLE_UPDATE;
 198
 199                 if (c->update_id > 0)
 200                         c->events |= MPD_IDLE_DATABASE;
 201         }
 202
 203         c->update_id = mpd_status_get_update_id(c->status);
 204
 205         if (c->source == NULL &&
 206             c->volume != mpd_status_get_volume(c->status))
 207                 c->events |= MPD_IDLE_MIXER;
 208
 209         c->volume = mpd_status_get_volume(c->status);
 210
 211         /* check if the playlist needs an update */
 212         if (c->playlist.version != mpd_status_get_queue_version(c->status)) {
 213                 bool retval;
 214
 215                 if (c->source == NULL)
 216                         c->events |= MPD_IDLE_QUEUE;
 217
 218                 if (!playlist_is_empty(&c->playlist))
 219                         retval = mpdclient_playlist_update_changes(c);
 220                 else
 221                         retval = mpdclient_playlist_update(c);
 222                 if (!retval)
 223                         return false;
 224         }
 225
 226         /* update the current song */
 227         if (!c->song || mpd_status_get_song_id(c->status) >= 0) {
 228                 c->song = playlist_get_song(&c->playlist,
 229                                             mpd_status_get_song_pos(c->status));
 230         }
 231
 232         return true;
 233 }
 234
 235 struct mpd_connection *
 236 mpdclient_get_connection(struct mpdclient *c)
 237 {
 238         if (c->source != NULL && c->idle) {
 239                 c->idle = false;
 240                 mpd_glib_leave(c->source);
 241         }
 242
 243         return c->connection;
 244 }
 245
 246 void
 247 mpdclient_put_connection(struct mpdclient *c)
 248 {
 249         assert(c->source == NULL || c->connection != NULL);
 250
 251         if (c->source != NULL && !c->idle) {
 252                 c->idle = mpd_glib_enter(c->source);
 253         }
 254 }
 255
 256 static struct mpd_status *
 257 mpdclient_recv_status(struct mpdclient *c)
 258 {
 259         struct mpd_status *status;
 260
 261         assert(c->connection != NULL);
 262
 263         status = mpd_recv_status(c->connection);
 264         if (status == NULL) {
 265                 mpdclient_handle_error(c);
 266                 return NULL;
 267         }
 268
 269         if (c->status != NULL)
 270                 mpd_status_free(c->status);
 271         return c->status = status;
 272 }
 273
 274 /****************************************************************************/
 275 /*** MPD Commands  **********************************************************/
 276 /****************************************************************************/
 277
 278 bool
 279 mpdclient_cmd_crop(struct mpdclient *c)
 280 {
 281         struct mpd_connection *connection;
 282         int length, current;
 283
 284         if (!mpdclient_is_playing(c))
 285                 return false;
 286
 287         length = mpd_status_get_queue_length(c->status);
 288         current = mpd_status_get_song_pos(c->status);
 289         if (current < 0 || mpd_status_get_queue_length(c->status) < 2)
 290                 return true;
 291
 292         connection = mpdclient_get_connection(c);
 293         if (connection == NULL)
 294                 return false;
 295
 296         mpd_command_list_begin(connection, false);
 297
 298         if (current < length - 1)
 299                 mpd_send_delete_range(connection, current + 1, length);
 300         if (current > 0)
 301                 mpd_send_delete_range(connection, 0, current);
 302
 303         mpd_command_list_end(connection);
 304
 305         return mpdclient_finish_command(c);
 306 }
 307
 308 bool
 309 mpdclient_cmd_clear(struct mpdclient *c)
 310 {
 311         struct mpd_connection *connection = mpdclient_get_connection(c);
 312         struct mpd_status *status;
 313
 314         if (connection == NULL)
 315                 return false;
 316
 317         /* send "clear" and "status" */
 318         if (!mpd_command_list_begin(connection, false) ||
 319             !mpd_send_clear(connection) ||
 320             !mpd_send_status(connection) ||
 321             !mpd_command_list_end(connection))
 322                 return mpdclient_handle_error(c);
 323
 324         /* receive the new status, store it in the mpdclient struct */
 325
 326         status = mpdclient_recv_status(c);
 327         if (status == NULL)
 328                 return false;
 329
 330         if (!mpd_response_finish(connection))
 331                 return mpdclient_handle_error(c);
 332
 333         /* update mpdclient.playlist */
 334
 335         if (mpd_status_get_queue_length(status) == 0) {
 336                 /* after the "clear" command, the queue is really
 337                    empty - this means we can clear it locally,
 338                    reducing the UI latency */
 339                 playlist_clear(&c->playlist);
 340                 c->playlist.version = mpd_status_get_queue_version(status);
 341                 c->song = NULL;
 342         }
 343
 344         c->events |= MPD_IDLE_QUEUE;
 345         return true;
 346 }
 347
 348 bool
 349 mpdclient_cmd_volume(struct mpdclient *c, gint value)
 350 {
 351         struct mpd_connection *connection = mpdclient_get_connection(c);
 352         if (connection == NULL)
 353                 return false;
 354
 355         mpd_send_set_volume(connection, value);
 356         return mpdclient_finish_command(c);
 357 }
 358
 359 bool
 360 mpdclient_cmd_volume_up(struct mpdclient *c)
 361 {
 362         struct mpd_connection *connection = mpdclient_get_connection(c);
 363         if (connection == NULL)
 364                 return false;
 365
 366         if (c->status == NULL ||
 367             mpd_status_get_volume(c->status) == -1)
 368                 return true;
 369
 370         if (c->volume < 0)
 371                 c->volume = mpd_status_get_volume(c->status);
 372
 373         if (c->volume >= 100)
 374                 return true;
 375
 376         return mpdclient_cmd_volume(c, ++c->volume);
 377 }
 378
 379 bool
 380 mpdclient_cmd_volume_down(struct mpdclient *c)
 381 {
 382         struct mpd_connection *connection = mpdclient_get_connection(c);
 383         if (connection == NULL)
 384                 return false;
 385
 386         if (c->status == NULL || mpd_status_get_volume(c->status) < 0)
 387                 return true;
 388
 389         if (c->volume < 0)
 390                 c->volume = mpd_status_get_volume(c->status);
 391
 392         if (c->volume <= 0)
 393                 return true;
 394
 395         return mpdclient_cmd_volume(c, --c->volume);
 396 }
 397
 398 bool
 399 mpdclient_cmd_add_path(struct mpdclient *c, const gchar *path_utf8)
 400 {
 401         struct mpd_connection *connection = mpdclient_get_connection(c);
 402         if (connection == NULL)
 403                 return false;
 404
 405         return mpd_send_add(connection, path_utf8)?
 406                 mpdclient_finish_command(c) : false;
 407 }
 408
 409 bool
 410 mpdclient_cmd_add(struct mpdclient *c, const struct mpd_song *song)
 411 {
 412         struct mpd_connection *connection = mpdclient_get_connection(c);
 413         struct mpd_status *status;
 414         struct mpd_song *new_song;
 415
 416         assert(c != NULL);
 417         assert(song != NULL);
 418
 419         if (connection == NULL || c->status == NULL)
 420                 return false;
 421
 422         /* send the add command to mpd; at the same time, get the new
 423            status (to verify the new playlist id) and the last song
 424            (we hope that's the song we just added) */
 425
 426         if (!mpd_command_list_begin(connection, true) ||
 427             !mpd_send_add(connection, mpd_song_get_uri(song)) ||
 428             !mpd_send_status(connection) ||
 429             !mpd_send_get_queue_song_pos(connection,
 430                                          playlist_length(&c->playlist)) ||
 431             !mpd_command_list_end(connection) ||
 432             !mpd_response_next(connection))
 433                 return mpdclient_handle_error(c);
 434
 435         c->events |= MPD_IDLE_QUEUE;
 436
 437         status = mpdclient_recv_status(c);
 438         if (status == NULL)
 439                 return false;
 440
 441         if (!mpd_response_next(connection))
 442                 return mpdclient_handle_error(c);
 443
 444         new_song = mpd_recv_song(connection);
 445         if (!mpd_response_finish(connection) || new_song == NULL) {
 446                 if (new_song != NULL)
 447                         mpd_song_free(new_song);
 448
 449                 return mpd_connection_clear_error(connection) ||
 450                         mpdclient_handle_error(c);
 451         }
 452
 453         if (mpd_status_get_queue_length(status) == playlist_length(&c->playlist) + 1 &&
 454             mpd_status_get_queue_version(status) == c->playlist.version + 1) {
 455                 /* the cheap route: match on the new playlist length
 456                    and its version, we can keep our local playlist
 457                    copy in sync */
 458                 c->playlist.version = mpd_status_get_queue_version(status);
 459
 460                 /* the song we just received has the correct id;
 461                    append it to the local playlist */
 462                 playlist_append(&c->playlist, new_song);
 463         }
 464
 465         mpd_song_free(new_song);
 466
 467         return true;
 468 }
 469
 470 bool
 471 mpdclient_cmd_delete(struct mpdclient *c, gint idx)
 472 {
 473         struct mpd_connection *connection = mpdclient_get_connection(c);
 474         const struct mpd_song *song;
 475         struct mpd_status *status;
 476
 477         if (connection == NULL || c->status == NULL)
 478                 return false;
 479
 480         if (idx < 0 || (guint)idx >= playlist_length(&c->playlist))
 481                 return false;
 482
 483         song = playlist_get(&c->playlist, idx);
 484
 485         /* send the delete command to mpd; at the same time, get the
 486            new status (to verify the playlist id) */
 487
 488         if (!mpd_command_list_begin(connection, false) ||
 489             !mpd_send_delete_id(connection, mpd_song_get_id(song)) ||
 490             !mpd_send_status(connection) ||
 491             !mpd_command_list_end(connection))
 492                 return mpdclient_handle_error(c);
 493
 494         c->events |= MPD_IDLE_QUEUE;
 495
 496         status = mpdclient_recv_status(c);
 497         if (status == NULL)
 498                 return false;
 499
 500         if (!mpd_response_finish(connection))
 501                 return mpdclient_handle_error(c);
 502
 503         if (mpd_status_get_queue_length(status) == playlist_length(&c->playlist) - 1 &&
 504             mpd_status_get_queue_version(status) == c->playlist.version + 1) {
 505                 /* the cheap route: match on the new playlist length
 506                    and its version, we can keep our local playlist
 507                    copy in sync */
 508                 c->playlist.version = mpd_status_get_queue_version(status);
 509
 510                 /* remove the song from the local playlist */
 511                 playlist_remove(&c->playlist, idx);
 512
 513                 /* remove references to the song */
 514                 if (c->song == song)
 515                         c->song = NULL;
 516         }
 517
 518         return true;
 519 }
 520
 521 bool
 522 mpdclient_cmd_delete_range(struct mpdclient *c, unsigned start, unsigned end)
 523 {
 524         struct mpd_connection *connection;
 525         struct mpd_status *status;
 526
 527         if (end == start + 1)
 528                 /* if that's not really a range, we choose to use the
 529                    safer "deleteid" version */
 530                 return mpdclient_cmd_delete(c, start);
 531
 532         connection = mpdclient_get_connection(c);
 533         if (connection == NULL)
 534                 return false;
 535
 536         /* send the delete command to mpd; at the same time, get the
 537            new status (to verify the playlist id) */
 538
 539         if (!mpd_command_list_begin(connection, false) ||
 540             !mpd_send_delete_range(connection, start, end) ||
 541             !mpd_send_status(connection) ||
 542             !mpd_command_list_end(connection))
 543                 return mpdclient_handle_error(c);
 544
 545         c->events |= MPD_IDLE_QUEUE;
 546
 547         status = mpdclient_recv_status(c);
 548         if (status == NULL)
 549                 return false;
 550
 551         if (!mpd_response_finish(connection))
 552                 return mpdclient_handle_error(c);
 553
 554         if (mpd_status_get_queue_length(status) == playlist_length(&c->playlist) - (end - start) &&
 555             mpd_status_get_queue_version(status) == c->playlist.version + 1) {
 556                 /* the cheap route: match on the new playlist length
 557                    and its version, we can keep our local playlist
 558                    copy in sync */
 559                 c->playlist.version = mpd_status_get_queue_version(status);
 560
 561                 /* remove the song from the local playlist */
 562                 while (end > start) {
 563                         --end;
 564
 565                         /* remove references to the song */
 566                         if (c->song == playlist_get(&c->playlist, end))
 567                                 c->song = NULL;
 568
 569                         playlist_remove(&c->playlist, end);
 570                 }
 571         }
 572
 573         return true;
 574 }
 575
 576 bool
 577 mpdclient_cmd_move(struct mpdclient *c, unsigned dest_pos, unsigned src_pos)
 578 {
 579         struct mpd_connection *connection;
 580         struct mpd_status *status;
 581
 582         if (dest_pos == src_pos)
 583                 return true;
 584
 585         connection = mpdclient_get_connection(c);
 586         if (connection == NULL)
 587                 return false;
 588
 589         /* send the "move" command to MPD; at the same time, get the
 590            new status (to verify the playlist id) */
 591
 592         if (!mpd_command_list_begin(connection, false) ||
 593             !mpd_send_move(connection, src_pos, dest_pos) ||
 594             !mpd_send_status(connection) ||
 595             !mpd_command_list_end(connection))
 596                 return mpdclient_handle_error(c);
 597
 598         c->events |= MPD_IDLE_QUEUE;
 599
 600         status = mpdclient_recv_status(c);
 601         if (status == NULL)
 602                 return false;
 603
 604         if (!mpd_response_finish(connection))
 605                 return mpdclient_handle_error(c);
 606
 607         if (mpd_status_get_queue_length(status) == playlist_length(&c->playlist) &&
 608             mpd_status_get_queue_version(status) == c->playlist.version + 1) {
 609                 /* the cheap route: match on the new playlist length
 610                    and its version, we can keep our local playlist
 611                    copy in sync */
 612                 c->playlist.version = mpd_status_get_queue_version(status);
 613
 614                 /* swap songs in the local playlist */
 615                 playlist_move(&c->playlist, dest_pos, src_pos);
 616         }
 617
 618         return true;
 619 }
 620
 621 #if LIBMPDCLIENT_CHECK_VERSION(2,5,0)
 622 /* The client-to-client protocol (MPD 0.17.0) */
 623
 624 bool
 625 mpdclient_cmd_subscribe(struct mpdclient *c, const char *channel)
 626 {
 627         struct mpd_connection *connection = mpdclient_get_connection(c);
 628
 629         if (connection == NULL)
 630                 return false;
 631
 632         if (!mpd_send_subscribe(connection, channel))
 633                 return mpdclient_handle_error(c);
 634
 635         return mpdclient_finish_command(c);
 636 }
 637
 638 bool
 639 mpdclient_cmd_unsubscribe(struct mpdclient *c, const char *channel)
 640 {
 641         struct mpd_connection *connection = mpdclient_get_connection(c);
 642         if (connection == NULL)
 643                 return false;
 644
 645         if (!mpd_send_unsubscribe(connection, channel))
 646                 return mpdclient_handle_error(c);
 647
 648         return mpdclient_finish_command(c);
 649 }
 650
 651 bool
 652 mpdclient_cmd_send_message(struct mpdclient *c, const char *channel,
 653                            const char *text)
 654 {
 655         struct mpd_connection *connection = mpdclient_get_connection(c);
 656         if (connection == NULL)
 657                 return false;
 658
 659         if (!mpd_send_send_message(connection, channel, text))
 660                 return mpdclient_handle_error(c);
 661
 662         return mpdclient_finish_command(c);
 663 }
 664
 665 bool
 666 mpdclient_send_read_messages(struct mpdclient *c)
 667 {
 668         struct mpd_connection *connection = mpdclient_get_connection(c);
 669         if (connection == NULL)
 670                 return false;
 671
 672         return mpd_send_read_messages(connection)?
 673                 true : mpdclient_handle_error(c);
 674 }
 675
 676 struct mpd_message *
 677 mpdclient_recv_message(struct mpdclient *c)
 678 {
 679         struct mpd_connection *connection = mpdclient_get_connection(c);
 680         if (connection == NULL)
 681                 return false;
 682
 683         struct mpd_message *message = mpd_recv_message(connection);
 684         if (message == NULL &&
 685             mpd_connection_get_error(connection) != MPD_ERROR_SUCCESS)
 686                 mpdclient_handle_error(c);
 687
 688         return message;
 689 }
 690 #endif
 691
 692 /****************************************************************************/
 693 /*** Playlist management functions ******************************************/
 694 /****************************************************************************/
 695
 696 /* update playlist */
 697 bool
 698 mpdclient_playlist_update(struct mpdclient *c)
 699 {
 700         struct mpd_connection *connection = mpdclient_get_connection(c);
 701         struct mpd_entity *entity;
 702
 703         if (connection == NULL)
 704                 return false;
 705
 706         playlist_clear(&c->playlist);
 707
 708         mpd_send_list_queue_meta(connection);
 709         while ((entity = mpd_recv_entity(connection))) {
 710                 if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG)
 711                         playlist_append(&c->playlist, mpd_entity_get_song(entity));
 712
 713                 mpd_entity_free(entity);
 714         }
 715
 716         c->playlist.version = mpd_status_get_queue_version(c->status);
 717         c->song = NULL;
 718
 719         return mpdclient_finish_command(c);
 720 }
 721
 722 /* update playlist (plchanges) */
 723 bool
 724 mpdclient_playlist_update_changes(struct mpdclient *c)
 725 {
 726         struct mpd_connection *connection = mpdclient_get_connection(c);
 727         struct mpd_song *song;
 728         guint length;
 729
 730         if (connection == NULL)
 731                 return false;
 732
 733         mpd_send_queue_changes_meta(connection, c->playlist.version);
 734
 735         while ((song = mpd_recv_song(connection)) != NULL) {
 736                 int pos = mpd_song_get_pos(song);
 737
 738                 if (pos >= 0 && (guint)pos < c->playlist.list->len) {
 739                         /* update song */
 740                         playlist_replace(&c->playlist, pos, song);
 741                 } else {
 742                         /* add a new song */
 743                         playlist_append(&c->playlist, song);
 744                 }
 745
 746                 mpd_song_free(song);
 747         }
 748
 749         /* remove trailing songs */
 750
 751         length = mpd_status_get_queue_length(c->status);
 752         while (length < c->playlist.list->len) {
 753                 guint pos = c->playlist.list->len - 1;
 754
 755                 /* Remove the last playlist entry */
 756                 playlist_remove(&c->playlist, pos);
 757         }
 758
 759         c->song = NULL;
 760         c->playlist.version = mpd_status_get_queue_version(c->status);
 761
 762         return mpdclient_finish_command(c);
 763 }
 764
 765
 766 /****************************************************************************/
 767 /*** Filelist functions *****************************************************/
 768 /****************************************************************************/
 769
 770 bool
 771 mpdclient_filelist_add_all(struct mpdclient *c, struct filelist *fl)
 772 {
 773         struct mpd_connection *connection = mpdclient_get_connection(c);
 774         guint i;
 775
 776         if (connection == NULL)
 777                 return false;
 778
 779         if (filelist_is_empty(fl))
 780                 return true;
 781
 782         mpd_command_list_begin(connection, false);
 783
 784         for (i = 0; i < filelist_length(fl); ++i) {
 785                 struct filelist_entry *entry = filelist_get(fl, i);
 786                 struct mpd_entity *entity  = entry->entity;
 787
 788                 if (entity != NULL &&
 789                     mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG) {
 790                         const struct mpd_song *song =
 791                                 mpd_entity_get_song(entity);
 792
 793                         mpd_send_add(connection, mpd_song_get_uri(song));
 794                 }
 795         }
 796
 797         mpd_command_list_end(connection);
 798         return mpdclient_finish_command(c);
 799 }