Changeset fa60cd69 in mainline for uspace/srv/audio/hound/audio_client.c

Timestamp:

2013-04-02T19:06:27Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

35ab943

Parents:

39c4d1f

Message:

hound: add connection class

This will enable N to M routing in the future

File:

• uspace/srv/audio/hound/audio_client.c (modified) (2 diffs)

uspace/srv/audio/hound/audio_client.c

@@ -55 +55 @@
 
 static int client_sink_connection_change(audio_sink_t *sink, bool new);
-static int client_source_connection_change(audio_source_t *source);
+static int client_source_connection_change(audio_source_t *source, bool new);
 static int client_source_update_data(audio_source_t *source, size_t size);
 
@@ -111 +111 @@
 }
 
-static int client_source_connection_change(audio_source_t *source)
+static int client_source_connection_change(audio_source_t *source, bool new)
 {
         assert(source);
         audio_client_t *client = source->private_data;
-        if (source->connected_sink) {
+        if (new && list_count(&source->connections) == 1) {
+                assert(!client->exch);
                 client->exch = async_exchange_begin(client->sess);
                 return client->exch ? EOK : ENOMEM;
         }
-        async_exchange_end(client->exch);
-        client->exch = NULL;
+        if (list_count(&source->connections) == 0) {
+                assert(!new);
+                async_exchange_end(client->exch);
+                client->exch = NULL;
+        }
         return EOK;
 }