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