protocol: support client-to-client communication

1 files changed, 59 insertions, 0 deletions

diff --git a/src/client_subscribe.h b/src/client_subscribe.h
new file mode 100644
index 000000000..09f864417
--- /dev/null
+++ b/src/client_subscribe.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2003-2011 The Music Player Daemon Project
+ * http://www.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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_CLIENT_SUBSCRIBE_H
+#define MPD_CLIENT_SUBSCRIBE_H
+
+#include <stdbool.h>
+#include <glib.h>
+
+struct client;
+struct client_message;
+
+enum client_subscribe_result {
+	/** success */
+	CLIENT_SUBSCRIBE_OK,
+
+	/** invalid channel name */
+	CLIENT_SUBSCRIBE_INVALID,
+
+	/** already subscribed to this channel */
+	CLIENT_SUBSCRIBE_ALREADY,
+
+	/** too many subscriptions */
+	CLIENT_SUBSCRIBE_FULL,
+};
+
+enum client_subscribe_result
+client_subscribe(struct client *client, const char *channel);
+
+bool
+client_unsubscribe(struct client *client, const char *channel);
+
+void
+client_unsubscribe_all(struct client *client);
+
+bool
+client_push_message(struct client *client, const struct client_message *msg);
+
+G_GNUC_MALLOC
+GSList *
+client_read_messages(struct client *client);
+
+#endif