X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Fmpdclient.c;h=ec058061546c23cf1033076d220b267745ff2949;hb=270f65da11a9c0e46af421afed54389dbc8453e5;hp=dbf285e0727bf60f941852102c308ab2984f758a;hpb=36470979d9f3518217fc26987558dafb3ab36f5c;p=ncmpc.git

diff --git a/src/mpdclient.c b/src/mpdclient.c
index dbf285e..ec05806 100644
--- a/src/mpdclient.c
+++ b/src/mpdclient.c
@@ -1,5 +1,6 @@
-/*
- * (c) 2004 by Kalle Wallin <kaw@linux.se>
+/* ncmpc (Ncurses MPD Client)
+ * (c) 2004-2010 The Music Player Daemon Project
+ * Project homepage: http://musicpd.org
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -10,81 +11,47 @@
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #include "mpdclient.h"
-#include "screen_utils.h"
+#include "filelist.h"
+#include "screen_client.h"
 #include "config.h"
-#include "ncmpc.h"
-#include "support.h"
 #include "options.h"
 #include "strfsong.h"
+#include "utils.h"
+#include "gidle.h"
+
+#include <mpd/client.h>
 
 #include <stdlib.h>
 #include <unistd.h>
 #include <time.h>
 #include <string.h>
 
-#undef  ENABLE_FANCY_PLAYLIST_MANAGMENT_CMD_ADD /* broken with song id's */
-#define ENABLE_FANCY_PLAYLIST_MANAGMENT_CMD_DELETE
-#define ENABLE_FANCY_PLAYLIST_MANAGMENT_CMD_MOVE
-#define ENABLE_SONG_ID
-#define ENABLE_PLCHANGES
-
 #define BUFSIZE 1024
 
-#define MPD_ERROR(c) (c==NULL || c->connection==NULL || c->connection->error)
-
-/* from utils.c */
-extern GList *string_list_free(GList *string_list);
-
-
-/* filelist sorting functions */
-static gint
-compare_filelistentry_dir(gconstpointer filelist_entry1,
-			  gconstpointer filelist_entry2)
-{
-	const mpd_InfoEntity *e1, *e2;
-	char *key1, *key2;
-	int n = 0;
-
-	e1 = ((const filelist_entry_t *)filelist_entry1)->entity;
-	e2 = ((const filelist_entry_t *)filelist_entry2)->entity;
-
-	if (e1 && e2 &&
-	    e1->type == MPD_INFO_ENTITY_TYPE_DIRECTORY &&
-	    e2->type == MPD_INFO_ENTITY_TYPE_DIRECTORY) {
-		key1 = g_utf8_collate_key(e1->info.directory->path,-1);
-		key2 = g_utf8_collate_key(e2->info.directory->path,-1);
-		n = strcmp(key1,key2);
-		g_free(key1);
-		g_free(key2);
-	}
-
-	return n;
-}
-
 /* sort by list-format */
 gint
 compare_filelistentry_format(gconstpointer filelist_entry1,
 			     gconstpointer filelist_entry2)
 {
-	const mpd_InfoEntity *e1, *e2;
+	const struct mpd_entity *e1, *e2;
 	char key1[BUFSIZE], key2[BUFSIZE];
 	int n = 0;
 
-	e1 = ((const filelist_entry_t *)filelist_entry1)->entity;
-	e2 = ((const filelist_entry_t *)filelist_entry2)->entity;
+	e1 = ((const struct filelist_entry *)filelist_entry1)->entity;
+	e2 = ((const struct filelist_entry *)filelist_entry2)->entity;
 
 	if (e1 && e2 &&
-	    e1->type == MPD_INFO_ENTITY_TYPE_SONG &&
-	    e2->type == MPD_INFO_ENTITY_TYPE_SONG) {
-		strfsong(key1, BUFSIZE, LIST_FORMAT, e1->info.song);
-		strfsong(key2, BUFSIZE, LIST_FORMAT, e2->info.song);
+	    mpd_entity_get_type(e1) == MPD_ENTITY_TYPE_SONG &&
+	    mpd_entity_get_type(e2) == MPD_ENTITY_TYPE_SONG) {
+		strfsong(key1, BUFSIZE, options.list_format, mpd_entity_get_song(e1));
+		strfsong(key2, BUFSIZE, options.list_format, mpd_entity_get_song(e2));
 		n = strcmp(key1,key2);
 	}
 
@@ -92,90 +59,68 @@ compare_filelistentry_format(gconstpointer filelist_entry1,
 }
 
 
-/* Error callbacks */
-static gint
-error_cb(mpdclient_t *c, gint error, gchar *msg)
-{
-	GList *list = c->error_callbacks;
-
-	if (list == NULL)
-		fprintf(stderr, "error [%d]: %s\n", (error & 0xFF), msg);
-
-	while (list) {
-		mpdc_error_cb_t cb = list->data;
-		if (cb)
-			cb(c, error, msg);
-		list = list->next;
-	}
-
-	mpd_clearError(c->connection);
-	return error;
-}
-
-
 /****************************************************************************/
 /*** mpdclient functions ****************************************************/
 /****************************************************************************/
 
-gint
-mpdclient_finish_command(mpdclient_t *c)
+bool
+mpdclient_handle_error(struct mpdclient *c)
 {
-	mpd_finishCommand(c->connection);
+	enum mpd_error error = mpd_connection_get_error(c->connection);
 
-	if (c->connection->error) {
-		gint error = c->connection->error;
-		gchar *msg;
+	assert(error != MPD_ERROR_SUCCESS);
 
-		if (error == MPD_ERROR_ACK &&
-		    c->connection->errorCode == MPD_ACK_ERROR_PERMISSION &&
-		    screen_auth(c) == 0)
-			return 0;
+	if (error == MPD_ERROR_SERVER &&
+	    mpd_connection_get_server_error(c->connection) == MPD_SERVER_ERROR_PERMISSION &&
+	    screen_auth(c))
+		return true;
 
-		if (error == MPD_ERROR_ACK)
-			error = error | (c->connection->errorCode << 8);
+	mpdclient_ui_error(mpd_connection_get_error_message(c->connection));
 
-		msg = locale_to_utf8(c->connection->errorStr);
-		error_cb(c, error, msg);
-		g_free(msg);
-		return error;
-	}
+	if (!mpd_connection_clear_error(c->connection))
+		mpdclient_disconnect(c);
 
-	return 0;
+	return false;
 }
 
-mpdclient_t *
+struct mpdclient *
 mpdclient_new(void)
 {
-	mpdclient_t *c;
+	struct mpdclient *c;
 
-	c = g_malloc0(sizeof(mpdclient_t));
+	c = g_new0(struct mpdclient, 1);
 	playlist_init(&c->playlist);
+	c->volume = -1;
+	c->events = 0;
 
 	return c;
 }
 
 void
-mpdclient_free(mpdclient_t *c)
+mpdclient_free(struct mpdclient *c)
 {
 	mpdclient_disconnect(c);
 
 	mpdclient_playlist_free(&c->playlist);
 
-	g_list_free(c->error_callbacks);
-	g_list_free(c->playlist_callbacks);
-	g_list_free(c->browse_callbacks);
 	g_free(c);
 }
 
-gint
-mpdclient_disconnect(mpdclient_t *c)
+void
+mpdclient_disconnect(struct mpdclient *c)
 {
+	if (c->source != NULL) {
+		mpd_glib_free(c->source);
+		c->source = NULL;
+		c->idle = false;
+	}
+
 	if (c->connection)
-		mpd_closeConnection(c->connection);
+		mpd_connection_free(c->connection);
 	c->connection = NULL;
 
 	if (c->status)
-		mpd_freeStatus(c->status);
+		mpd_status_free(c->status);
 	c->status = NULL;
 
 	playlist_clear(&c->playlist);
@@ -183,532 +128,590 @@ mpdclient_disconnect(mpdclient_t *c)
 	if (c->song)
 		c->song = NULL;
 
-	return 0;
+	/* everything has changed after a disconnect */
+	c->events |= MPD_IDLE_ALL;
 }
 
-gint
-mpdclient_connect(mpdclient_t *c,
-		  gchar *host,
+bool
+mpdclient_connect(struct mpdclient *c,
+		  const gchar *host,
 		  gint port,
-		  gfloat _timeout,
-		  gchar *password)
+		  unsigned timeout_ms,
+		  const gchar *password)
 {
-	gint retval = 0;
-
 	/* close any open connection */
-	if( c->connection )
+	if (c->connection)
 		mpdclient_disconnect(c);
 
 	/* connect to MPD */
-	c->connection = mpd_newConnection(host, port, _timeout);
-	if( c->connection->error )
-		return error_cb(c, c->connection->error,
-				c->connection->errorStr);
+	c->connection = mpd_connection_new(host, port, timeout_ms);
+	if (c->connection == NULL)
+		g_error("Out of memory");
+
+	if (mpd_connection_get_error(c->connection) != MPD_ERROR_SUCCESS) {
+		mpdclient_handle_error(c);
+		mpdclient_disconnect(c);
+		return false;
+	}
 
 	/* send password */
-	if( password ) {
-		mpd_sendPasswordCommand(c->connection, password);
-		retval = mpdclient_finish_command(c);
+	if (password != NULL && !mpd_run_password(c->connection, password)) {
+		mpdclient_handle_error(c);
+		mpdclient_disconnect(c);
+		return false;
 	}
-	c->need_update = TRUE;
 
-	return retval;
+	return true;
 }
 
-gint
-mpdclient_update(mpdclient_t *c)
+bool
+mpdclient_update(struct mpdclient *c)
 {
-	gint retval = 0;
+	struct mpd_connection *connection = mpdclient_get_connection(c);
 
-	if (MPD_ERROR(c))
-		return -1;
+	c->volume = -1;
+
+	if (connection == NULL)
+		return false;
+
+	/* always announce these options as long as we don't have
+	   "idle" support */
+	if (c->source == NULL)
+		c->events |= MPD_IDLE_PLAYER|MPD_IDLE_OPTIONS;
 
 	/* free the old status */
 	if (c->status)
-		mpd_freeStatus(c->status);
+		mpd_status_free(c->status);
+
+	/* retrieve new status */
+	c->status = mpd_run_status(connection);
+	if (c->status == NULL)
+		return mpdclient_handle_error(c);
+
+	if (c->source == NULL &&
+	    c->update_id != mpd_status_get_update_id(c->status)) {
+		c->events |= MPD_IDLE_UPDATE;
+
+		if (c->update_id > 0)
+			c->events |= MPD_IDLE_DATABASE;
+	}
+
+	c->update_id = mpd_status_get_update_id(c->status);
+
+	if (c->source == NULL &&
+	    c->volume != mpd_status_get_volume(c->status))
+		c->events |= MPD_IDLE_MIXER;
 
-	/* retreive new status */
-	mpd_sendStatusCommand(c->connection);
-	c->status = mpd_getStatus(c->connection);
-	if ((retval=mpdclient_finish_command(c)))
-		return retval;
+	c->volume = mpd_status_get_volume(c->status);
 
 	/* check if the playlist needs an update */
-	if (c->playlist.id != c->status->playlist) {
-		if (playlist_is_empty(&c->playlist))
+	if (c->playlist.version != mpd_status_get_queue_version(c->status)) {
+		bool retval;
+
+		if (c->source == NULL)
+			c->events |= MPD_IDLE_QUEUE;
+
+		if (!playlist_is_empty(&c->playlist))
 			retval = mpdclient_playlist_update_changes(c);
 		else
 			retval = mpdclient_playlist_update(c);
+		if (!retval)
+			return false;
 	}
 
 	/* update the current song */
-	if (!c->song || c->status->songid != c->song->id) {
-		c->song = playlist_get_song(c, c->status->song);
+	if (!c->song || mpd_status_get_song_id(c->status) >= 0) {
+		c->song = playlist_get_song(&c->playlist,
+					    mpd_status_get_song_pos(c->status));
 	}
 
-	c->need_update = FALSE;
-
-	return retval;
+	return true;
 }
 
+struct mpd_connection *
+mpdclient_get_connection(struct mpdclient *c)
+{
+	if (c->source != NULL && c->idle) {
+		c->idle = false;
+		mpd_glib_leave(c->source);
+	}
 
-/****************************************************************************/
-/*** MPD Commands  **********************************************************/
-/****************************************************************************/
+	return c->connection;
+}
 
-gint
-mpdclient_cmd_play(mpdclient_t *c, gint idx)
+void
+mpdclient_put_connection(struct mpdclient *c)
 {
-#ifdef ENABLE_SONG_ID
-	struct mpd_song *song = playlist_get_song(c, idx);
-
-	if (song)
-		mpd_sendPlayIdCommand(c->connection, song->id);
-	else
-		mpd_sendPlayIdCommand(c->connection, MPD_PLAY_AT_BEGINNING);
-#else
-	mpd_sendPlayCommand(c->connection, idx);
-#endif
-	c->need_update = TRUE;
-	return mpdclient_finish_command(c);
+	assert(c->source == NULL || c->connection != NULL);
+
+	if (c->source != NULL && !c->idle) {
+		c->idle = mpd_glib_enter(c->source);
+	}
 }
 
-gint
-mpdclient_cmd_pause(mpdclient_t *c, gint value)
+static struct mpd_status *
+mpdclient_recv_status(struct mpdclient *c)
 {
-	mpd_sendPauseCommand(c->connection, value);
-	return mpdclient_finish_command(c);
+	struct mpd_status *status;
+
+	assert(c->connection != NULL);
+
+	status = mpd_recv_status(c->connection);
+	if (status == NULL) {
+		mpdclient_handle_error(c);
+		return NULL;
+	}
+
+	if (c->status != NULL)
+		mpd_status_free(c->status);
+	return c->status = status;
 }
 
-gint
-mpdclient_cmd_crop(mpdclient_t *c)
+/****************************************************************************/
+/*** MPD Commands  **********************************************************/
+/****************************************************************************/
+
+bool
+mpdclient_cmd_crop(struct mpdclient *c)
 {
-	mpd_Status *status;
-	int length;
+	struct mpd_connection *connection;
+	int length, current;
 
-	mpd_sendStatusCommand(c->connection);
-	status = mpd_getStatus(c->connection);
-	length = status->playlistLength - 1;
+	if (!mpdclient_is_playing(c))
+		return false;
 
-	if (length <= 0) {
-		mpd_freeStatus(status);
-	} else if (status->state == 3 || status->state == 2) {
-		/* If playing or paused */
+	length = mpd_status_get_queue_length(c->status);
+	current = mpd_status_get_song_pos(c->status);
+	if (current < 0 || mpd_status_get_queue_length(c->status) < 2)
+		return true;
 
-		mpd_sendCommandListBegin( c->connection );
+	connection = mpdclient_get_connection(c);
+	if (connection == NULL)
+		return false;
 
-		while (length >= 0) {
-			if (length != status->song)
-				mpd_sendDeleteCommand(c->connection, length);
+	mpd_command_list_begin(connection, false);
 
-			length--;
-		}
+	if (mpd_connection_cmp_server_version(connection, 0, 16, 0) >= 0) {
+		if (current < length - 1)
+			mpd_send_delete_range(connection, current + 1, length);
+		if (current > 0)
+			mpd_send_delete_range(connection, 0, current);
+	} else
+		while (--length >= 0)
+			if (length != current)
+				mpd_send_delete(connection, length);
 
-		mpd_sendCommandListEnd(c->connection);
-		mpd_freeStatus(status);
-	} else {
-		mpd_freeStatus(status);
-	}
+	mpd_command_list_end(connection);
 
 	return mpdclient_finish_command(c);
 }
 
-gint
-mpdclient_cmd_stop(mpdclient_t *c)
+bool
+mpdclient_cmd_clear(struct mpdclient *c)
 {
-	mpd_sendStopCommand(c->connection);
-	return mpdclient_finish_command(c);
-}
+	struct mpd_connection *connection = mpdclient_get_connection(c);
+	struct mpd_status *status;
 
-gint
-mpdclient_cmd_next(mpdclient_t *c)
-{
-	mpd_sendNextCommand(c->connection);
-	c->need_update = TRUE;
-	return mpdclient_finish_command(c);
-}
+	if (connection == NULL)
+		return false;
 
-gint
-mpdclient_cmd_prev(mpdclient_t *c)
-{
-	mpd_sendPrevCommand(c->connection);
-	c->need_update = TRUE;
-	return mpdclient_finish_command(c);
-}
+	/* send "clear" and "status" */
+	if (!mpd_command_list_begin(connection, false) ||
+	    !mpd_send_clear(connection) ||
+	    !mpd_send_status(connection) ||
+	    !mpd_command_list_end(connection))
+		return mpdclient_handle_error(c);
 
-gint
-mpdclient_cmd_seek(mpdclient_t *c, gint id, gint pos)
-{
-	mpd_sendSeekIdCommand(c->connection, id, pos);
-	return mpdclient_finish_command(c);
-}
+	/* receive the new status, store it in the mpdclient struct */
 
-gint
-mpdclient_cmd_shuffle(mpdclient_t *c)
-{
-	mpd_sendShuffleCommand(c->connection);
-	c->need_update = TRUE;
-	return mpdclient_finish_command(c);
-}
+	status = mpdclient_recv_status(c);
+	if (status == NULL)
+		return false;
 
-gint
-mpdclient_cmd_clear(mpdclient_t *c)
-{
-	gint retval = 0;
-
-	mpd_sendClearCommand(c->connection);
-	retval = mpdclient_finish_command(c);
-	/* call playlist updated callback */
-	mpdclient_playlist_callback(c, PLAYLIST_EVENT_CLEAR, NULL);
-	c->need_update = TRUE;
-	return retval;
-}
+	if (!mpd_response_finish(connection))
+		return mpdclient_handle_error(c);
 
-gint
-mpdclient_cmd_repeat(mpdclient_t *c, gint value)
-{
-	mpd_sendRepeatCommand(c->connection, value);
-	return mpdclient_finish_command(c);
-}
+	/* update mpdclient.playlist */
 
-gint
-mpdclient_cmd_random(mpdclient_t *c, gint value)
-{
-	mpd_sendRandomCommand(c->connection, value);
-	return mpdclient_finish_command(c);
-}
+	if (mpd_status_get_queue_length(status) == 0) {
+		/* after the "clear" command, the queue is really
+		   empty - this means we can clear it locally,
+		   reducing the UI latency */
+		playlist_clear(&c->playlist);
+		c->playlist.version = mpd_status_get_queue_version(status);
+		c->song = NULL;
+	}
 
-gint
-mpdclient_cmd_crossfade(mpdclient_t *c, gint value)
-{
-	mpd_sendCrossfadeCommand(c->connection, value);
-	return mpdclient_finish_command(c);
+	c->events |= MPD_IDLE_QUEUE;
+	return true;
 }
 
-gint
-mpdclient_cmd_db_update_utf8(mpdclient_t *c, gchar *path)
+bool
+mpdclient_cmd_volume(struct mpdclient *c, gint value)
 {
-	mpd_sendUpdateCommand(c->connection, path ? path : "");
-	return mpdclient_finish_command(c);
-}
+	struct mpd_connection *connection = mpdclient_get_connection(c);
+	if (connection == NULL)
+		return false;
 
-gint
-mpdclient_cmd_volume(mpdclient_t *c, gint value)
-{
-	mpd_sendSetvolCommand(c->connection, value);
+	mpd_send_set_volume(connection, value);
 	return mpdclient_finish_command(c);
 }
 
-gint
-mpdclient_cmd_add_path_utf8(mpdclient_t *c, gchar *path_utf8)
+bool
+mpdclient_cmd_volume_up(struct mpdclient *c)
 {
-	mpd_sendAddCommand(c->connection, path_utf8);
-	return mpdclient_finish_command(c);
-}
+	struct mpd_connection *connection = mpdclient_get_connection(c);
+	if (connection == NULL)
+		return false;
 
-gint
-mpdclient_cmd_add_path(mpdclient_t *c, gchar *path)
-{
-	gint retval;
-	gchar *path_utf8 = locale_to_utf8(path);
+	if (c->status == NULL ||
+	    mpd_status_get_volume(c->status) == -1)
+		return true;
 
-	retval=mpdclient_cmd_add_path_utf8(c, path_utf8);
-	g_free(path_utf8);
-	return retval;
+	if (c->volume < 0)
+		c->volume = mpd_status_get_volume(c->status);
+
+	if (c->volume >= 100)
+		return true;
+
+	return mpdclient_cmd_volume(c, ++c->volume);
 }
 
-gint
-mpdclient_cmd_add(mpdclient_t *c, struct mpd_song *song)
+bool
+mpdclient_cmd_volume_down(struct mpdclient *c)
 {
-	gint retval = 0;
+	struct mpd_connection *connection = mpdclient_get_connection(c);
+	if (connection == NULL)
+		return false;
 
-	if( !song || !song->file )
-		return -1;
+	if (c->status == NULL || mpd_status_get_volume(c->status) < 0)
+		return true;
 
-	/* send the add command to mpd */
-	mpd_sendAddCommand(c->connection, song->file);
-	if( (retval=mpdclient_finish_command(c)) )
-		return retval;
+	if (c->volume < 0)
+		c->volume = mpd_status_get_volume(c->status);
 
-#ifdef ENABLE_FANCY_PLAYLIST_MANAGMENT_CMD_ADD
-	/* add the song to playlist */
-	playlist_append(&c->playlist, song);
+	if (c->volume <= 0)
+		return true;
 
-	/* increment the playlist id, so we dont retrives a new playlist */
-	c->playlist.id++;
+	return mpdclient_cmd_volume(c, --c->volume);
+}
 
-	/* call playlist updated callback */
-	mpdclient_playlist_callback(c, PLAYLIST_EVENT_ADD, (gpointer) song);
-#else
-	c->need_update = TRUE;
-#endif
+bool
+mpdclient_cmd_add_path(struct mpdclient *c, const gchar *path_utf8)
+{
+	struct mpd_connection *connection = mpdclient_get_connection(c);
+	if (connection == NULL)
+		return false;
 
-	return 0;
+	return mpd_send_add(connection, path_utf8)?
+		mpdclient_finish_command(c) : false;
 }
 
-gint
-mpdclient_cmd_delete(mpdclient_t *c, gint idx)
+bool
+mpdclient_cmd_add(struct mpdclient *c, const struct mpd_song *song)
 {
-	gint retval = 0;
-	struct mpd_song *song;
+	struct mpd_connection *connection = mpdclient_get_connection(c);
+	struct mpd_status *status;
+	struct mpd_song *new_song;
 
-	if (idx < 0 || (guint)idx >= playlist_length(&c->playlist))
-		return -1;
+	assert(c != NULL);
+	assert(song != NULL);
 
-	song = playlist_get(&c->playlist, idx);
+	if (connection == NULL || c->status == NULL)
+		return false;
 
-	/* send the delete command to mpd */
-#ifdef ENABLE_SONG_ID
-	mpd_sendDeleteIdCommand(c->connection, song->id);
-#else
-	mpd_sendDeleteCommand(c->connection, idx);
-#endif
-	if( (retval=mpdclient_finish_command(c)) )
-		return retval;
+	/* send the add command to mpd; at the same time, get the new
+	   status (to verify the new playlist id) and the last song
+	   (we hope that's the song we just added) */
 
-#ifdef ENABLE_FANCY_PLAYLIST_MANAGMENT_CMD_DELETE
-	/* increment the playlist id, so we dont retrive a new playlist */
-	c->playlist.id++;
+	if (!mpd_command_list_begin(connection, true) ||
+	    !mpd_send_add(connection, mpd_song_get_uri(song)) ||
+	    !mpd_send_status(connection) ||
+	    !mpd_send_get_queue_song_pos(connection,
+					 playlist_length(&c->playlist)) ||
+	    !mpd_command_list_end(connection) ||
+	    !mpd_response_next(connection))
+		return mpdclient_handle_error(c);
 
-	/* remove the song from the playlist */
-	playlist_remove_reuse(&c->playlist, idx);
+	c->events |= MPD_IDLE_QUEUE;
 
-	/* call playlist updated callback */
-	mpdclient_playlist_callback(c, PLAYLIST_EVENT_DELETE, (gpointer) song);
+	status = mpdclient_recv_status(c);
+	if (status == NULL)
+		return false;
 
-	/* remove references to the song */
-	if (c->song == song) {
-		c->song = NULL;
-		c->need_update = TRUE;
+	if (!mpd_response_next(connection))
+		return mpdclient_handle_error(c);
+
+	new_song = mpd_recv_song(connection);
+	if (!mpd_response_finish(connection) || new_song == NULL) {
+		if (new_song != NULL)
+			mpd_song_free(new_song);
+
+		return mpd_connection_clear_error(connection) ||
+			mpdclient_handle_error(c);
 	}
 
-	mpd_freeSong(song);
+	if (mpd_status_get_queue_length(status) == playlist_length(&c->playlist) + 1 &&
+	    mpd_status_get_queue_version(status) == c->playlist.version + 1) {
+		/* the cheap route: match on the new playlist length
+		   and its version, we can keep our local playlist
+		   copy in sync */
+		c->playlist.version = mpd_status_get_queue_version(status);
+
+		/* the song we just received has the correct id;
+		   append it to the local playlist */
+		playlist_append(&c->playlist, new_song);
+	}
 
-#else
-	c->need_update = TRUE;
-#endif
+	mpd_song_free(new_song);
 
-	return 0;
+	return true;
 }
 
-gint
-mpdclient_cmd_move(mpdclient_t *c, gint old_index, gint new_index)
+bool
+mpdclient_cmd_delete(struct mpdclient *c, gint idx)
 {
-	gint n;
-	struct mpd_song *song1, *song2;
+	struct mpd_connection *connection = mpdclient_get_connection(c);
+	const struct mpd_song *song;
+	struct mpd_status *status;
 
-	if (old_index == new_index || new_index < 0 ||
-	    (guint)new_index >= c->playlist.list->len)
-		return -1;
+	if (connection == NULL || c->status == NULL)
+		return false;
 
-	song1 = playlist_get(&c->playlist, old_index);
-	song2 = playlist_get(&c->playlist, new_index);
+	if (idx < 0 || (guint)idx >= playlist_length(&c->playlist))
+		return false;
 
-	/* send the move command to mpd */
-#ifdef ENABLE_SONG_ID
-	mpd_sendSwapIdCommand(c->connection, song1->id, song2->id);
-#else
-	mpd_sendMoveCommand(c->connection, old_index, new_index);
-#endif
-	if( (n=mpdclient_finish_command(c)) )
-		return n;
+	song = playlist_get(&c->playlist, idx);
 
-#ifdef ENABLE_FANCY_PLAYLIST_MANAGMENT_CMD_MOVE
-	/* update the playlist */
-	playlist_swap(&c->playlist, old_index, new_index);
+	/* send the delete command to mpd; at the same time, get the
+	   new status (to verify the playlist id) */
 
-	/* increment the playlist id, so we dont retrives a new playlist */
-	c->playlist.id++;
+	if (!mpd_command_list_begin(connection, false) ||
+	    !mpd_send_delete_id(connection, mpd_song_get_id(song)) ||
+	    !mpd_send_status(connection) ||
+	    !mpd_command_list_end(connection))
+		return mpdclient_handle_error(c);
 
-#else
-	c->need_update = TRUE;
-#endif
+	c->events |= MPD_IDLE_QUEUE;
 
-	/* call playlist updated callback */
-	mpdclient_playlist_callback(c, PLAYLIST_EVENT_MOVE, (gpointer) &new_index);
+	status = mpdclient_recv_status(c);
+	if (status == NULL)
+		return false;
 
-	return 0;
-}
+	if (!mpd_response_finish(connection))
+		return mpdclient_handle_error(c);
 
-gint
-mpdclient_cmd_save_playlist_utf8(mpdclient_t *c, gchar *filename_utf8)
-{
-	gint retval = 0;
+	if (mpd_status_get_queue_length(status) == playlist_length(&c->playlist) - 1 &&
+	    mpd_status_get_queue_version(status) == c->playlist.version + 1) {
+		/* the cheap route: match on the new playlist length
+		   and its version, we can keep our local playlist
+		   copy in sync */
+		c->playlist.version = mpd_status_get_queue_version(status);
 
-	mpd_sendSaveCommand(c->connection, filename_utf8);
-	if ((retval = mpdclient_finish_command(c)) == 0)
-		mpdclient_browse_callback(c, BROWSE_PLAYLIST_SAVED, NULL);
-	return retval;
-}
+		/* remove the song from the local playlist */
+		playlist_remove(&c->playlist, idx);
 
-gint
-mpdclient_cmd_save_playlist(mpdclient_t *c, gchar *filename)
-{
-	gint retval = 0;
-	gchar *filename_utf8 = locale_to_utf8(filename);
+		/* remove references to the song */
+		if (c->song == song)
+			c->song = NULL;
+	}
 
-	retval = mpdclient_cmd_save_playlist_utf8(c, filename);
-	g_free(filename_utf8);
-	return retval;
+	return true;
 }
 
-gint
-mpdclient_cmd_load_playlist_utf8(mpdclient_t *c, gchar *filename_utf8)
+/**
+ * Fallback for mpdclient_cmd_delete_range() on MPD older than 0.16.
+ * It emulates the "delete range" command with a list of simple
+ * "delete" commands.
+ */
+static bool
+mpdclient_cmd_delete_range_fallback(struct mpdclient *c,
+				    unsigned start, unsigned end)
 {
-	mpd_sendLoadCommand(c->connection, filename_utf8);
-	c->need_update = TRUE;
-	return mpdclient_finish_command(c);
-}
+	struct mpd_connection *connection = mpdclient_get_connection(c);
+	if (connection == NULL)
+		return false;
 
-gint
-mpdclient_cmd_delete_playlist_utf8(mpdclient_t *c, gchar *filename_utf8)
-{
-	gint retval = 0;
+	if (!mpd_command_list_begin(connection, false))
+		return mpdclient_handle_error(c);
+
+	for (; start < end; --end)
+		mpd_send_delete(connection, start);
 
-	mpd_sendRmCommand(c->connection, filename_utf8);
-	if ((retval = mpdclient_finish_command(c)) == 0)
-		mpdclient_browse_callback(c, BROWSE_PLAYLIST_DELETED, NULL);
-	return retval;
+	if (!mpd_command_list_end(connection) ||
+	    !mpd_response_finish(connection))
+		return mpdclient_handle_error(c);
+
+	return true;
 }
 
-gint
-mpdclient_cmd_delete_playlist(mpdclient_t *c, gchar *filename)
+bool
+mpdclient_cmd_delete_range(struct mpdclient *c, unsigned start, unsigned end)
 {
-	gint retval = 0;
-	gchar *filename_utf8 = locale_to_utf8(filename);
+	struct mpd_connection *connection;
+	struct mpd_status *status;
 
-	retval = mpdclient_cmd_delete_playlist_utf8(c, filename_utf8);
-	g_free(filename_utf8);
-	return retval;
-}
+	if (end == start + 1)
+		/* if that's not really a range, we choose to use the
+		   safer "deleteid" version */
+		return mpdclient_cmd_delete(c, start);
 
+	connection = mpdclient_get_connection(c);
+	if (connection == NULL)
+		return false;
 
-/****************************************************************************/
-/*** Callback managment functions *******************************************/
-/****************************************************************************/
+	if (mpd_connection_cmp_server_version(connection, 0, 16, 0) < 0)
+		return mpdclient_cmd_delete_range_fallback(c, start, end);
 
-static void
-do_list_callbacks(mpdclient_t *c, GList *list, gint event, gpointer data)
-{
-	while (list) {
-		mpdc_list_cb_t fn = list->data;
+	/* MPD 0.16 supports "delete" with a range argument */
+
+	/* send the delete command to mpd; at the same time, get the
+	   new status (to verify the playlist id) */
+
+	if (!mpd_command_list_begin(connection, false) ||
+	    !mpd_send_delete_range(connection, start, end) ||
+	    !mpd_send_status(connection) ||
+	    !mpd_command_list_end(connection))
+		return mpdclient_handle_error(c);
+
+	c->events |= MPD_IDLE_QUEUE;
+
+	status = mpdclient_recv_status(c);
+	if (status == NULL)
+		return false;
+
+	if (!mpd_response_finish(connection))
+		return mpdclient_handle_error(c);
 
-		fn(c, event, data);
-		list = list->next;
+	if (mpd_status_get_queue_length(status) == playlist_length(&c->playlist) - (end - start) &&
+	    mpd_status_get_queue_version(status) == c->playlist.version + 1) {
+		/* the cheap route: match on the new playlist length
+		   and its version, we can keep our local playlist
+		   copy in sync */
+		c->playlist.version = mpd_status_get_queue_version(status);
+
+		/* remove the song from the local playlist */
+		while (end > start) {
+			--end;
+
+			/* remove references to the song */
+			if (c->song == playlist_get(&c->playlist, end))
+				c->song = NULL;
+
+			playlist_remove(&c->playlist, end);
+		}
 	}
-}
 
-void
-mpdclient_playlist_callback(mpdclient_t *c, int event, gpointer data)
-{
-	do_list_callbacks(c, c->playlist_callbacks, event, data);
+	return true;
 }
 
-void
-mpdclient_install_playlist_callback(mpdclient_t *c,mpdc_list_cb_t cb)
+bool
+mpdclient_cmd_move(struct mpdclient *c, unsigned dest_pos, unsigned src_pos)
 {
-	c->playlist_callbacks = g_list_append(c->playlist_callbacks, cb);
-}
+	struct mpd_connection *connection;
+	struct mpd_status *status;
 
-void
-mpdclient_remove_playlist_callback(mpdclient_t *c, mpdc_list_cb_t cb)
-{
-	c->playlist_callbacks = g_list_remove(c->playlist_callbacks, cb);
-}
+	if (dest_pos == src_pos)
+		return true;
 
-void
-mpdclient_browse_callback(mpdclient_t *c, int event, gpointer data)
-{
-	do_list_callbacks(c, c->browse_callbacks, event, data);
-}
+	connection = mpdclient_get_connection(c);
+	if (connection == NULL)
+		return false;
 
+	/* send the "move" command to MPD; at the same time, get the
+	   new status (to verify the playlist id) */
 
-void
-mpdclient_install_browse_callback(mpdclient_t *c,mpdc_list_cb_t cb)
-{
-	c->browse_callbacks = g_list_append(c->browse_callbacks, cb);
-}
+	if (!mpd_command_list_begin(connection, false) ||
+	    !mpd_send_move(connection, src_pos, dest_pos) ||
+	    !mpd_send_status(connection) ||
+	    !mpd_command_list_end(connection))
+		return mpdclient_handle_error(c);
 
-void
-mpdclient_remove_browse_callback(mpdclient_t *c, mpdc_list_cb_t cb)
-{
-	c->browse_callbacks = g_list_remove(c->browse_callbacks, cb);
-}
+	c->events |= MPD_IDLE_QUEUE;
 
-void
-mpdclient_install_error_callback(mpdclient_t *c, mpdc_error_cb_t cb)
-{
-	c->error_callbacks = g_list_append(c->error_callbacks, cb);
-}
+	status = mpdclient_recv_status(c);
+	if (status == NULL)
+		return false;
 
-void
-mpdclient_remove_error_callback(mpdclient_t *c, mpdc_error_cb_t cb)
-{
-	c->error_callbacks = g_list_remove(c->error_callbacks, cb);
+	if (!mpd_response_finish(connection))
+		return mpdclient_handle_error(c);
+
+	if (mpd_status_get_queue_length(status) == playlist_length(&c->playlist) &&
+	    mpd_status_get_queue_version(status) == c->playlist.version + 1) {
+		/* the cheap route: match on the new playlist length
+		   and its version, we can keep our local playlist
+		   copy in sync */
+		c->playlist.version = mpd_status_get_queue_version(status);
+
+		/* swap songs in the local playlist */
+		playlist_move(&c->playlist, dest_pos, src_pos);
+	}
+
+	return true;
 }
 
 
 /****************************************************************************/
-/*** Playlist managment functions *******************************************/
+/*** Playlist management functions ******************************************/
 /****************************************************************************/
 
 /* update playlist */
-gint
-mpdclient_playlist_update(mpdclient_t *c)
+bool
+mpdclient_playlist_update(struct mpdclient *c)
 {
-	mpd_InfoEntity *entity;
+	struct mpd_connection *connection = mpdclient_get_connection(c);
+	struct mpd_entity *entity;
 
-	if (MPD_ERROR(c))
-		return -1;
+	if (connection == NULL)
+		return false;
 
 	playlist_clear(&c->playlist);
 
-	mpd_sendPlaylistInfoCommand(c->connection,-1);
-	while ((entity = mpd_getNextInfoEntity(c->connection))) {
-		if (entity->type == MPD_INFO_ENTITY_TYPE_SONG)
-			playlist_append(&c->playlist, entity->info.song);
+	mpd_send_list_queue_meta(connection);
+	while ((entity = mpd_recv_entity(connection))) {
+		if (mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG)
+			playlist_append(&c->playlist, mpd_entity_get_song(entity));
 
-		mpd_freeInfoEntity(entity);
+		mpd_entity_free(entity);
 	}
 
-	c->playlist.id = c->status->playlist;
+	c->playlist.version = mpd_status_get_queue_version(c->status);
 	c->song = NULL;
 
-	/* call playlist updated callbacks */
-	mpdclient_playlist_callback(c, PLAYLIST_EVENT_UPDATED, NULL);
-
 	return mpdclient_finish_command(c);
 }
 
-#ifdef ENABLE_PLCHANGES
-
 /* update playlist (plchanges) */
-gint
-mpdclient_playlist_update_changes(mpdclient_t *c)
+bool
+mpdclient_playlist_update_changes(struct mpdclient *c)
 {
-	mpd_InfoEntity *entity;
+	struct mpd_connection *connection = mpdclient_get_connection(c);
+	struct mpd_song *song;
+	guint length;
 
-	if (MPD_ERROR(c))
-		return -1;
+	if (connection == NULL)
+		return false;
 
-	mpd_sendPlChangesCommand(c->connection, c->playlist.id);
+	mpd_send_queue_changes_meta(connection, c->playlist.version);
 
-	while ((entity = mpd_getNextInfoEntity(c->connection)) != NULL) {
-		struct mpd_song *song = entity->info.song;
+	while ((song = mpd_recv_song(connection)) != NULL) {
+		int pos = mpd_song_get_pos(song);
 
-		if (song->pos >= 0 && (guint)song->pos < c->playlist.list->len) {
+		if (pos >= 0 && (guint)pos < c->playlist.list->len) {
 			/* update song */
-			playlist_replace(&c->playlist, song->pos, song);
+			playlist_replace(&c->playlist, pos, song);
 		} else {
 			/* add a new song */
 			playlist_append(&c->playlist, song);
 		}
 
-		mpd_freeInfoEntity(entity);
+		mpd_song_free(song);
 	}
 
 	/* remove trailing songs */
-	while ((guint)c->status->playlistLength < c->playlist.list->len) {
+
+	length = mpd_status_get_queue_length(c->status);
+	while (length < c->playlist.list->len) {
 		guint pos = c->playlist.list->len - 1;
 
 		/* Remove the last playlist entry */
@@ -716,170 +719,43 @@ mpdclient_playlist_update_changes(mpdclient_t *c)
 	}
 
 	c->song = NULL;
-	c->playlist.id = c->status->playlist;
-
-	mpdclient_playlist_callback(c, PLAYLIST_EVENT_UPDATED, NULL);
-
-	return 0;
-}
+	c->playlist.version = mpd_status_get_queue_version(c->status);
 
-#else
-gint
-mpdclient_playlist_update_changes(mpdclient_t *c)
-{
-	return mpdclient_playlist_update(c);
+	return mpdclient_finish_command(c);
 }
-#endif
 
 
 /****************************************************************************/
 /*** Filelist functions *****************************************************/
 /****************************************************************************/
 
-mpdclient_filelist_t *
-mpdclient_filelist_get(mpdclient_t *c, const gchar *path)
-{
-	mpdclient_filelist_t *filelist;
-	mpd_InfoEntity *entity;
-	gchar *path_utf8 = locale_to_utf8(path);
-	gboolean has_dirs_only = TRUE;
-
-	mpd_sendLsInfoCommand(c->connection, path_utf8);
-	filelist = filelist_new(path);
-	if (path && path[0] && strcmp(path, "/"))
-		/* add a dummy entry for ./.. */
-		filelist_append(filelist, NULL);
-
-	while ((entity=mpd_getNextInfoEntity(c->connection))) {
-		filelist_append(filelist, entity);
-
-		if (has_dirs_only && entity->type != MPD_INFO_ENTITY_TYPE_DIRECTORY) {
-			has_dirs_only = FALSE;
-		}
-	}
-
-	/* If there's an error, ignore it.  We'll return an empty filelist. */
-	mpdclient_finish_command(c);
-
-	g_free(path_utf8);
-
-	// If there are only directory entities in the filelist, we sort it
-	if (has_dirs_only)
-		filelist_sort(filelist, compare_filelistentry_dir);
-
-	return filelist;
-}
-
-mpdclient_filelist_t *
-mpdclient_filelist_search_utf8(mpdclient_t *c,
-			       int exact_match,
-			       int table,
-			       gchar *filter_utf8)
-{
-	mpdclient_filelist_t *filelist;
-	mpd_InfoEntity *entity;
-
-	if (exact_match)
-		mpd_sendFindCommand(c->connection, table, filter_utf8);
-	else
-		mpd_sendSearchCommand(c->connection, table, filter_utf8);
-	filelist = filelist_new(NULL);
-
-	while ((entity=mpd_getNextInfoEntity(c->connection)))
-		filelist_append(filelist, entity);
-
-	if (mpdclient_finish_command(c)) {
-		filelist_free(filelist);
-		return NULL;
-	}
-
-	return filelist;
-}
-
-
-mpdclient_filelist_t *
-mpdclient_filelist_search(mpdclient_t *c,
-			  int exact_match,
-			  int table,
-			  gchar *_filter)
-{
-	mpdclient_filelist_t *filelist;
-	gchar *filter_utf8 = locale_to_utf8(_filter);
-
-	filelist = mpdclient_filelist_search_utf8(c, exact_match, table,
-						  filter_utf8);
-	g_free(filter_utf8);
-
-	return filelist;
-}
-
-mpdclient_filelist_t *
-mpdclient_filelist_update(mpdclient_t *c, mpdclient_filelist_t *filelist)
-{
-	if (filelist != NULL) {
-		gchar *path = g_strdup(filelist->path);
-
-		filelist_free(filelist);
-		filelist = mpdclient_filelist_get(c, path);
-		g_free(path);
-		return filelist;
-	}
-	return NULL;
-}
-
-int
-mpdclient_filelist_add_all(mpdclient_t *c, mpdclient_filelist_t *fl)
+bool
+mpdclient_filelist_add_all(struct mpdclient *c, struct filelist *fl)
 {
+	struct mpd_connection *connection = mpdclient_get_connection(c);
 	guint i;
 
+	if (connection == NULL)
+		return false;
+
 	if (filelist_is_empty(fl))
-		return 0;
+		return true;
 
-	mpd_sendCommandListBegin(c->connection);
+	mpd_command_list_begin(connection, false);
 
 	for (i = 0; i < filelist_length(fl); ++i) {
-		filelist_entry_t *entry = filelist_get(fl, i);
-		mpd_InfoEntity *entity  = entry->entity;
+		struct filelist_entry *entry = filelist_get(fl, i);
+		struct mpd_entity *entity  = entry->entity;
 
-		if (entity && entity->type == MPD_INFO_ENTITY_TYPE_SONG) {
-			struct mpd_song *song = entity->info.song;
+		if (entity != NULL &&
+		    mpd_entity_get_type(entity) == MPD_ENTITY_TYPE_SONG) {
+			const struct mpd_song *song =
+				mpd_entity_get_song(entity);
 
-			mpd_sendAddCommand(c->connection, song->file);
+			mpd_send_add(connection, mpd_song_get_uri(song));
 		}
 	}
 
-	mpd_sendCommandListEnd(c->connection);
+	mpd_command_list_end(connection);
 	return mpdclient_finish_command(c);
 }
-
-GList *
-mpdclient_get_artists_utf8(mpdclient_t *c)
-{
-	gchar *str = NULL;
-	GList *list = NULL;
-
-	mpd_sendListCommand(c->connection, MPD_TABLE_ARTIST, NULL);
-	while ((str = mpd_getNextArtist(c->connection)))
-		list = g_list_append(list, (gpointer) str);
-
-	if (mpdclient_finish_command(c))
-		return string_list_free(list);
-
-	return list;
-}
-
-GList *
-mpdclient_get_albums_utf8(mpdclient_t *c, gchar *artist_utf8)
-{
-	gchar *str = NULL;
-	GList *list = NULL;
-
-	mpd_sendListCommand(c->connection, MPD_TABLE_ALBUM, artist_utf8);
-	while ((str = mpd_getNextAlbum(c->connection)))
-		list = g_list_append(list, (gpointer) str);
-
-	if (mpdclient_finish_command(c))
-		return string_list_free(list);
-
-	return list;
-}