44     def _setup_rpc(self, port, command_name, remote_pid=None):  argument
79         self.disconnect(port)
81         tunnel_proc = self._host.rpc_port_forward(port, local_port)
82         self._rpc_proxy_map[port] = (command_name, tunnel_proc, remote_pid)
86     def xmlrpc_connect(self, command, port, command_name=None,  argument
133         self.disconnect(port)
143         rpc_url = self._setup_rpc(port, command_name, remote_pid=remote_pid)
166                     self.disconnect(port)
171     def jsonrpc_connect(self, port):  argument
197         proxy = jsonrpclib.jsonrpc.ServerProxy(self._setup_rpc(port, None))
199         logging.info('Established a jsonrpc connection through port %s.', port)
203     def disconnect(self, port):  argument
219         if port not in self._rpc_proxy_map:
221         remote_name, tunnel_proc, remote_pid = self._rpc_proxy_map[port]
250         self._host.rpc_port_disconnect(tunnel_proc, port)
251         del self._rpc_proxy_map[port]
256         for port in self._rpc_proxy_map.keys():
257             self.disconnect(port)