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Viewing changes to vendor/Twisted-10.0.0/doc/core/howto/listings/pb/cache_receiver.py

  • 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/listings/pb/cache_receiver.py
 
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#!/usr/bin/env python
 
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# Copyright (c) 2009 Twisted Matrix Laboratories.
 
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# See LICENSE for details.
 
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from twisted.application import service, internet
 
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from twisted.internet import reactor
 
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from twisted.spread import pb
 
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import cache_classes
 
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class Receiver(pb.Root):
 
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    def remote_takePond(self, pond):
 
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        self.pond = pond
 
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        print "got pond:", pond # a DuckPondCache
 
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        self.remote_checkDucks()
 
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    def remote_checkDucks(self):
 
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        print "[%d] ducks: " % self.pond.count(), self.pond.getDucks()
 
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    def remote_ignorePond(self):
 
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        # stop watching the pond
 
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        print "dropping pond"
 
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        # gc causes __del__ causes 'decache' msg causes stoppedObserving
 
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        self.pond = None
 
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    def remote_shutdown(self):
 
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        reactor.stop()
 
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application = service.Application("copy_receiver")
 
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internet.TCPServer(8800, pb.PBServerFactory(Receiver())).setServiceParent(
 
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    service.IServiceCollection(application))