Remove invocation receiver mappings from the receivers table when they are

unregistered. Flush invocation listener mappings after an expiry period if
they were not already removed by virtue of receiving a response.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@2040 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/presents/data/InvocationMarshaller.java

@@ -1,5 +1,5 @@
 //
-// $Id: InvocationMarshaller.java,v 1.2 2002/09/20 04:52:49 mdb Exp $
+// $Id: InvocationMarshaller.java,v 1.3 2002/12/08 02:18:50 mdb Exp $
 
 package com.threerings.presents.data;
 
@@ -46,6 +46,10 @@ public class InvocationMarshaller
          * marshalling listener. This is only valid on the client. */
         public transient InvocationListener listener;
 
+        /** The time at which this listener marshaller was registered.
+         * This is only valid on the client. */
+        public transient long mapStamp;
+
         /** The distributed object manager to use when dispatching proxied
          * responses. This is only valid on the server. */
         public transient DObjectManager omgr;