def start(self):
self.factory = ZmqFactory()
endpoint = ZmqEndpoint(ZmqEndpointType.connect, "tcp://localhost:5557")
self.receiver = ZmqPullConnection(endpoint)
self.receiver.messageReceived = self.performWork
deferred = self.receiver.connect(self.factory)
deferred.addCallback(self.onReceiverConnected)
endpoint = ZmqEndpoint(ZmqEndpointType.connect, "tcp://localhost:5558")
self.sink = ZmqPushConnection(endpoint)
deferred = self.sink.listen(self.factory)
deferred.addCallback(self.onSinkConnected)
class Worker(object):
def __init__(self):
self.factory = None
self.receiver = None
self.sink = None
def start(self):
self.factory = ZmqFactory()
endpoint = ZmqEndpoint(ZmqEndpointType.connect, "tcp://localhost:5557")
self.receiver = ZmqPullConnection(endpoint)
self.receiver.messageReceived = self.performWork
deferred = self.receiver.connect(self.factory)
deferred.addCallback(self.onReceiverConnected)
endpoint = ZmqEndpoint(ZmqEndpointType.connect, "tcp://localhost:5558")
self.sink = ZmqPushConnection(endpoint)
deferred = self.sink.listen(self.factory)
deferred.addCallback(self.onSinkConnected)
def stop(self):
self.factory.shutdown()
def onReceiverConnected(self, receiver):
print "worker connected to task ventilator"
def onSinkConnected(self, sink):
print "worker connected to task sink"
def performWork(self, message):
# send results to sink after waiting specified job time
# in this example only single-part messages are used
time_interval = message[0]
time_wait = int(time_interval) * 0.001
reactor.callLater(time_wait, self.sendWorkResult, "")
def sendWorkResult(self, result):
self.sink.send(result)