endpoint = TCP4ClientEndpoint(self._reactor, host, port)
senderProto = LineSender(host.encode('ascii'))
connectProtocol(endpoint, senderProto)
class IPGetter(LineOnlyReceiver):
delimiter = b'\n'
def __init__(self, sender):
self._sender = sender
def lineReceived(self, line):
try:
port = int(line)
except ValueError:
self.transport.loseConnection()
return
addr = self.transport.getPeer()
self.sendIP(addr.host, port)
def sendIP(self, host, port):
self._sender.sendIP(host, port)
self.transport.loseConnection()
if __name__ == '__main__':
sender = IPSender(reactor)
endpoint = TCP4ServerEndpoint(reactor, 10050)
endpoint.listen(ArgumentsFactory.forProtocol(IPGetter, sender))
log.startLogging(sys.stdout)
reactor.run()
def makeServer(reactor):
endpoint = TCP4ServerEndpoint(reactor, 0)
finished = Deferred()
return (endpoint.listen(ArgumentsFactory.forProtocol(IPReceiver, finished))
.addCallback(lambda listeningPort: (finished, listeningPort.getHost().port))
)
def makeServer(reactor):
endpoint = TCP4ServerEndpoint(reactor, 0)
finished = Deferred()
return (endpoint.listen(ArgumentsFactory.forProtocol(
IPReceiver, finished)).addCallback(
lambda listeningPort: (finished, listeningPort.getHost().port)))