From 4510f23ef3a628c23fdacb860751e2bd6b3ace04 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jonathan=20Neusch=C3=A4fer?= <j.neuschaefer@gmx.net>
Date: Wed, 4 Jan 2012 18:33:31 +0100
Subject: [PATCH] mpdclient: add client-to-client support

---
 src/mpdclient.c | 70 +++++++++++++++++++++++++++++++++++++++++++++++++
 src/mpdclient.h | 18 +++++++++++++
 2 files changed, 88 insertions(+)

diff --git a/src/mpdclient.c b/src/mpdclient.c
index 685d149..e55c136 100644
--- a/src/mpdclient.c
+++ b/src/mpdclient.c
@@ -654,6 +654,76 @@ mpdclient_cmd_move(struct mpdclient *c, unsigned dest_pos, unsigned src_pos)
 	return true;
 }
 
+#if LIBMPDCLIENT_CHECK_VERSION(2,5,0)
+/* The client-to-client protocol (MPD 0.17.0) */
+
+bool
+mpdclient_cmd_subscribe(struct mpdclient *c, const char *channel)
+{
+	struct mpd_connection *connection = mpdclient_get_connection(c);
+
+	if (connection == NULL)
+		return false;
+
+	if (!mpd_send_subscribe(connection, channel))
+		return mpdclient_handle_error(c);
+
+	return mpdclient_finish_command(c);
+}
+
+bool
+mpdclient_cmd_unsubscribe(struct mpdclient *c, const char *channel)
+{
+	struct mpd_connection *connection = mpdclient_get_connection(c);
+	if (connection == NULL)
+		return false;
+
+	if (!mpd_send_unsubscribe(connection, channel))
+		return mpdclient_handle_error(c);
+
+	return mpdclient_finish_command(c);
+}
+
+bool
+mpdclient_cmd_send_message(struct mpdclient *c, const char *channel,
+			   const char *text)
+{
+	struct mpd_connection *connection = mpdclient_get_connection(c);
+	if (connection == NULL)
+		return false;
+
+	if (!mpd_send_send_message(connection, channel, text))
+		return mpdclient_handle_error(c);
+
+	return mpdclient_finish_command(c);
+}
+
+bool
+mpdclient_send_read_messages(struct mpdclient *c)
+{
+	struct mpd_connection *connection = mpdclient_get_connection(c);
+	if (connection == NULL)
+		return false;
+
+	return mpd_send_read_messages(connection)?
+		true : mpdclient_handle_error(c);
+}
+
+struct mpd_message *
+mpdclient_recv_message(struct mpdclient *c)
+{
+	struct mpd_connection *connection = mpdclient_get_connection(c);
+	if (connection == NULL)
+		return false;
+
+	struct mpd_message *message = mpd_recv_message(connection);
+	if (message == NULL &&
+	    mpd_connection_get_error(connection) != MPD_ERROR_SUCCESS)
+		mpdclient_handle_error(c);
+
+	return message;
+}
+#endif
 
 /****************************************************************************/
 /*** Playlist management functions ******************************************/
diff --git a/src/mpdclient.h b/src/mpdclient.h
index e923480..bca739b 100644
--- a/src/mpdclient.h
+++ b/src/mpdclient.h
@@ -165,6 +165,24 @@ mpdclient_cmd_delete_range(struct mpdclient *c, unsigned start, unsigned end);
 bool
 mpdclient_cmd_move(struct mpdclient *c, unsigned dest, unsigned src);
 
+#if LIBMPDCLIENT_CHECK_VERSION(2,5,0)
+bool
+mpdclient_cmd_subscribe(struct mpdclient *c, const char *channel);
+
+bool
+mpdclient_cmd_unsubscribe(struct mpdclient *c, const char *channel);
+
+bool
+mpdclient_cmd_send_message(struct mpdclient *c, const char *channel,
+			   const char *text);
+
+bool
+mpdclient_send_read_messages(struct mpdclient *c);
+
+struct mpd_message *
+mpdclient_recv_message(struct mpdclient *c);
+#endif
+
 /*** playlist functions  **************************************************/
 
 /* update the complete playlist */
-- 
2.30.2