def main(self):
self.myPLS = TCPServer(listenport=self.listenport)
self.link((self.myPLS,"protocolHandlerSignal"),(self,"_oobinfo"))
self.addChildren(self.myPLS)
yield _Axon.Ipc.newComponent(self.myPLS)
while 1:
self.pause()
if self.dataReady("_oobinfo"):
data = self.recv("_oobinfo")
if isinstance(data,_ki.newCSA):
yield self.handleNewCSA(data)
if isinstance(data,_ki.shutdownCSA):# socketShutdown):
# Socket shutdown and died.
# Unlink the CSA. A new one might connect!
theCSA = data.object
if theCSA in self.rejectedCSAs:
self.rejectedCSAs.remove(theCSA)
else:
self.send(producerFinished(self), "signal")
self.CSA = None
self.removeChild(theCSA)
yield 1
yield 1
class SingleServer(_Axon.Component.component):
Inboxes= { "inbox" : "Data received on this inbox is sent to the first client who connects",
"control" : "Default inbox, not actually listened to",
"_oobinfo" : "We receive notification of connection on this inbox"
}
Outboxes={ "outbox" : "Any data received from the first connection accepted is sent to this outbox",
"signal" : "When the client disconnects a producerFinished message is sent here",
"_CSA_signal" : "Outbox for sending messages to the CSA. Currently unused."
}
def __init__(self, port=1601):
super(SingleServer,self).__init__()
self.listenport = port
self.CSA = None
self.rejectedCSAs = []
self.myPLS = None
def main(self):
self.myPLS = TCPServer(listenport=self.listenport)
self.link((self.myPLS,"protocolHandlerSignal"),(self,"_oobinfo"))
self.addChildren(self.myPLS)
yield _Axon.Ipc.newComponent(self.myPLS)
while 1:
self.pause()
if self.dataReady("_oobinfo"):
data = self.recv("_oobinfo")
if isinstance(data,_ki.newCSA):
yield self.handleNewCSA(data)
if isinstance(data,_ki.shutdownCSA):# socketShutdown):
# Socket shutdown and died.
# Unlink the CSA. A new one might connect!
theCSA = data.object
if theCSA in self.rejectedCSAs:
self.rejectedCSAs.remove(theCSA)
else:
self.send(producerFinished(self), "signal")
self.CSA = None
self.removeChild(theCSA)
yield 1
yield 1
def stop(self):
self.send(producerFinished(self), "signal")
self.CSA._deliver(producerFinished(self),"control")
self.myPLS._deliver(serverShutdown(self),"control")
super(SingleServer,self).stop()
def handleNewCSA(self, data):
newCSA = data.object
if self.CSA is None:
self.CSA = newCSA
# Wire in the CSA to the outside connectivity points
self.link((self.CSA,"outbox"),(self,"outbox"), passthrough=2)
self.link((self,"inbox"),(self.CSA,"inbox"), passthrough=1)
self.link((self,"_CSA_signal"), (self.CSA, "control"))
else:
# We already have a connected socket, so we want to throw this connection away.
# we'll send it a stop signal, but we still need to add it to the scheduler
# otherwise itdoesn't get a chance to act on it. We'll add it to a 'rejected'
# list so we know to clean it up slightly differently when we get told it has
# shut down
newCSA._deliver(producerFinished(self),"control")
self.rejectedCSAs.append(newCSA)
self.addChildren(newCSA)
return _Axon.Ipc.newComponent(newCSA)
