Extract run_unix_listener extension method

sidebus-broker/src/bus.rs

@@ -76,6 +76,18 @@ impl HostedBus {
     }
 }
 
+pub trait SharedHostedBus {
+    async fn run_unix_listener(self, listener: tokio::net::UnixListener);
+}
+
+impl SharedHostedBus for Arc<tokio::sync::Mutex<HostedBus>> {
+    async fn run_unix_listener(self, listener: tokio::net::UnixListener) {
+        while let Ok((socket, _remote_addr)) = listener.accept().await {
+            self.lock().await.connect_unix(socket).await.unwrap()
+        }
+    }
+}
+
 pub struct NameOwnerStream {
     _conn: zbus::Connection,
     stream: zbus::MessageStream,