# Fix asymmetry from twisted.application import internet, service from twisted.internet import protocol, reactor, defer from twisted.protocols import basic class FingerProtocol(basic.LineReceiver): def lineReceived(self, user): d = self.factory.getUser(user) def onError(err): return 'Internal error in server' d.addErrback(onError) def writeResponse(message): self.transport.write(message + '\r\n') self.transport.loseConnection() d.addCallback(writeResponse) class FingerSetterProtocol(basic.LineReceiver): def connectionMade(self): self.lines = [] def lineReceived(self, line): self.lines.append(line) def connectionLost(self,reason): user = self.lines[0] status = self.lines[1] self.factory.setUser(user, status) class FingerService(service.Service): def __init__(self, **kwargs): self.users = kwargs def getUser(self, user): return defer.succeed(self.users.get(user, "No such user")) def setUser(self, user, status): self.users[user] = status def getFingerFactory(self): f = protocol.ServerFactory() f.protocol = FingerProtocol f.getUser = self.getUser return f def getFingerSetterFactory(self): f = protocol.ServerFactory() f.protocol = FingerSetterProtocol f.setUser = self.setUser return f application = service.Application('finger', uid=1, gid=1) f = FingerService(moshez='Happy and well') serviceCollection = service.IServiceCollection(application) internet.TCPServer(79,f.getFingerFactory() ).setServiceParent(serviceCollection) internet.TCPServer(1079,f.getFingerSetterFactory() ).setServiceParent(serviceCollection)