tcp_connect.py 文件源码

def test_connect(self):
        """
        This test performs a TCP connection to the remote host on the
        specified port.
        The report will contains the string 'success' if the test has
        succeeded, or the reason for the failure if it has failed.
        """
        def connectionSuccess(protocol):
            protocol.transport.loseConnection()
            log.debug("Got a connection to %s" % self.input)
            self.report["connection"] = 'success'

        def connectionFailed(failure):
            self.report['connection'] = handleAllFailures(failure)

        from twisted.internet import reactor
        point = TCP4ClientEndpoint(reactor, self.host, int(self.port))
        d = point.connect(TCPFactory())
        d.addCallback(connectionSuccess)
        d.addErrback(connectionFailed)
        return d