Note the actual transport with which events are transmitted.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5794 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/presents/net/EventNotification.java

@@ -62,6 +62,12 @@ public class EventNotification extends DownstreamMessage
         return _event.getTransport();
     }
 
+    @Override // documentation inherited
+    public void noteActualTransport (Transport transport)
+    {
+        _event.noteActualTransport(transport);
+    }
+
     @Override
     public String toString ()
     {

src/java/com/threerings/presents/net/Message.java

@@ -50,4 +50,14 @@ public abstract class Message extends SimpleStreamableObject
     {
         return Transport.DEFAULT;
     }
+
+    /**
+     * For messages sent over the network, this notes the actual type of transport used to deliver
+     * the message.  This may not be the same as the hinted transport for various reasons (message
+     * too large to send as datagram, no datagram connection established, etc.)
+     */
+    public void noteActualTransport (Transport transport)
+    {
+        // no-op by default
+    }
 }