Returns total number of UPDATE, NOTIFICATION and ROUTE_REFRESH
         message sent to this peer.

def total_msg_sent(self):
        """Returns total number of UPDATE, NOTIFICATION and ROUTE_REFRESH
         message sent to this peer.
         """
        return (self.get_count(PeerCounterNames.SENT_REFRESH) +
                self.get_count(PeerCounterNames.SENT_UPDATES))