event socket / ESL improvements

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@12228 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/esl/src/esl_oop.cpp

@@ -163,7 +163,9 @@ ESLevent *ESLconnection::recvEvent()
 		}
 	}
 
-	return NULL;
+	last_event_obj = new ESLevent("server_disconnected");
+
+	return last_event_obj;
 }
 
 ESLevent *ESLconnection::recvEventTimed(int ms)
@@ -183,7 +185,8 @@ ESLevent *ESLconnection::recvEventTimed(int ms)
 		}
     }
 	
-	return NULL;
+	last_event_obj = new ESLevent("server_disconnected");
+	return last_event_obj;
 }
 
 int ESLconnection::filter(const char *header, const char *value)