code: def indication(self, pdu):
          
          if _debug: TCPClientDirector._debug("indication %r", pdu)
  
          # get the destination
          addr = pdu.pduDestination
  
          # get the client
          client = self.clients.get(addr, None)
          if not client:
              client = self.actorClass(self, addr)
  
          # send the message
          client.indication(pdu)
docs: Direct this PDU to the appropriate server, create a
          connection if one hasn't already been created.