WIP

src/proto/ping_pong.rs

@@ -0,0 +1,47 @@
+use ConnectionError;
+use frame::Frame;
+
+use futures::*;
+
+pub struct PingPong<T> {
+    inner: T,
+}
+
+impl<T> PingPong<T>
+    where T: Stream<Item = Frame, Error = ConnectionError>,
+          T: Sink<SinkItem = Frame, SinkError = ConnectionError>,
+{
+    pub fn new(inner: T) -> PingPong<T> {
+        PingPong {
+            inner: inner,
+        }
+    }
+}
+
+impl<T> Stream for PingPong<T>
+    where T: Stream<Item = Frame, Error = ConnectionError>,
+          T: Sink<SinkItem = Frame, SinkError = ConnectionError>,
+{
+    type Item = Frame;
+    type Error = ConnectionError;
+
+    fn poll(&mut self) -> Poll<Option<Frame>, ConnectionError> {
+        self.inner.poll()
+    }
+}
+
+impl<T> Sink for PingPong<T>
+    where T: Stream<Item = Frame, Error = ConnectionError>,
+          T: Sink<SinkItem = Frame, SinkError = ConnectionError>,
+{
+    type SinkItem = Frame;
+    type SinkError = ConnectionError;
+
+    fn start_send(&mut self, item: Frame) -> StartSend<Frame, ConnectionError> {
+        self.inner.start_send(item)
+    }
+
+    fn poll_complete(&mut self) -> Poll<(), ConnectionError> {
+        self.inner.poll_complete()
+    }
+}