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Viewing changes to vendor/Twisted-10.0.0/doc/core/howto/tutorial/listings/finger/finger13.tac

  • Committer: Jesse Andrews
  • Date: 2010-05-28 06:05:26 UTC
  • Revision ID: git-v1:bf6e6e718cdc7488e2da87b21e258ccc065fe499
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vendor/Twisted-10.0.0/doc/core/howto/tutorial/listings/finger/finger13.tac
 
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# Fix asymmetry
 
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from twisted.application import internet, service
 
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from twisted.internet import protocol, reactor, defer
 
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from twisted.protocols import basic
 
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class FingerProtocol(basic.LineReceiver):
 
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    def lineReceived(self, user):
 
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        d = self.factory.getUser(user)
 
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        def onError(err):
 
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            return 'Internal error in server'
 
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        d.addErrback(onError)
 
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        def writeResponse(message):
 
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            self.transport.write(message + '\r\n')
 
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            self.transport.loseConnection()
 
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        d.addCallback(writeResponse)
 
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class FingerSetterProtocol(basic.LineReceiver):
 
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    def connectionMade(self):
 
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        self.lines = []
 
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    def lineReceived(self, line):
 
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        self.lines.append(line)
 
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    def connectionLost(self,reason):
 
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        user = self.lines[0]
 
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        status = self.lines[1]
 
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        self.factory.setUser(user, status)
 
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class FingerService(service.Service):
 
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    def __init__(self, **kwargs):
 
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        self.users = kwargs
 
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    def getUser(self, user):
 
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        return defer.succeed(self.users.get(user, "No such user"))
 
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    def setUser(self, user, status):
 
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        self.users[user] = status
 
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    def getFingerFactory(self):
 
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        f = protocol.ServerFactory()
 
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        f.protocol = FingerProtocol
 
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        f.getUser = self.getUser
 
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        return f
 
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    def getFingerSetterFactory(self):
 
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        f = protocol.ServerFactory()
 
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        f.protocol = FingerSetterProtocol
 
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        f.setUser = self.setUser
 
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        return f
 
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application = service.Application('finger', uid=1, gid=1)
 
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f = FingerService(moshez='Happy and well')
 
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serviceCollection = service.IServiceCollection(application)
 
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internet.TCPServer(79,f.getFingerFactory()
 
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                   ).setServiceParent(serviceCollection)
 
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internet.TCPServer(1079,f.getFingerSetterFactory()
 
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                   ).setServiceParent(serviceCollection)