test_ftp.py 文件源码

def _makeDataConnection(self, ignored=None):
        # Establish an active data connection (i.e. server connecting to
        # client).
        deferred = defer.Deferred()
        class DataFactory(protocol.ServerFactory):
            protocol = _BufferingProtocol
            def buildProtocol(self, addr):
                p = protocol.ServerFactory.buildProtocol(self, addr)
                reactor.callLater(0, deferred.callback, p)
                return p
        dataPort = reactor.listenTCP(0, DataFactory(), interface='127.0.0.1')
        self.dataPorts.append(dataPort)
        cmd = 'PORT ' + ftp.encodeHostPort('127.0.0.1',
                                           dataPort.getHost().port)
        self.client.queueStringCommand(cmd)
        return deferred