On Wed, 04 May 2005 18:23:53 +1000, Örjan Reinholdsen Orjan.Reinholdsen@smarttrust.com wrote:

All,

I have written a Twisted server that will be used as a test server to test the client software ability to gracefully handle server shutdown and thereafter reconnect. For that purpose I need my twisted server to periodically stop listening on ports for a while, and then commence normal operation again. For some reason I don't seem to succeede since the twisted server never seems to stop listening on a port even if I call the stopListening method on the IListeningPort object.

Anyone got a clue to what I'm doing wrong?

stopListening() may return a deferred, in which case you'll need to wait for it to fire before you can be sure that Twisted has stopped listening. Since you have multiple ports a DeferredList may help you here.

Perhaps that is the problem?

-Eric

Regards /Örjan

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[...]

ports = [8007,8008,8009] listenPorts = [] for port in ports: print "Listening on port %d" % port listenPorts.append(reactor.listenTCP(port, myFactory))

length = len(listenPorts) ptime = 10 dtime = 5

def Down(ticks): print "Stop listening on port %d" % ports[ticks%length] listenPorts[ticks%length].stopListening() reactor.callLater(dtime, Up, ticks)

def Up(ticks): print "Start listening on port %d" % ports[ticks%length] listenPorts[ticks%length].startListening() reactor.callLater(ptime, Down, ticks+1)

reactor.callLater(ptime, Down, 0) reactor.run()

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