ntester just prints out diff

networktransport.hpp

@@ -76,21 +76,27 @@ namespace Network {
 
     /* simple receiver */
     list< TimestampedState<RemoteState> > received_states;
+    MyState last_receiver_state; /* the state we were in when user last queried state */
 
   public:
     Transport( MyState &initial_state, RemoteState &initial_remote );
     Transport( MyState &initial_state, RemoteState &initial_remote,
 	       const char *key_str, const char *ip, int port );
 
+    /* Send data or an ack if necessary.
+       Returns the number of ms to wait until next event. */
     int tick( void );
 
+    /* Blocks waiting for a packet. */
     void recv( void );
 
     int port( void ) { return connection.port(); }
     string get_key( void ) { return connection.get_key(); }
 
     MyState &get_current_state( void ) { return current_state; }
-    RemoteState &get_remote_state( void ) { return received_states.back().state; }
+
+    string get_remote_diff( void );
+
     uint64_t get_remote_state_num( void ) { return received_states.back().num; }
 
     int fd( void ) { return connection.fd(); }