def initialiseComponent(self):
if self.logger:
self.link((self, "log"), (self.logger, "inbox"))
self.addChildren(self.logger)
self.logger.activate()
self.client = KQueueClient(self.host, self.port)
self.addChildren(self.client)
self.link((self.client, 'outbox'), (self, 'inbox'))
self.link((self, 'outbox'), (self.client, 'inbox'))
self.client.activate()
return 1
class BaseService(component):
Inboxes = {"inbox" : "Message instance to be sent to the queue",
"control" : "Shutdown the client stream", }
Outboxes = {"outbox" : "Message instance parsed from the queue response",
"signal" : "Shutdown signal",
"log" : "", }
def __init__(self, queues, host='127.0.0.1', port=9878):
super(BaseService, self).__init__()
self.queues = queues
self.host = host
self.port = port
self.logger = None
def set_logger(self, logger):
self.logger = logger
def initialiseComponent(self):
if self.logger:
self.link((self, "log"), (self.logger, "inbox"))
self.addChildren(self.logger)
self.logger.activate()
self.client = KQueueClient(self.host, self.port)
self.addChildren(self.client)
self.link((self.client, 'outbox'), (self, 'inbox'))
self.link((self, 'outbox'), (self.client, 'inbox'))
self.client.activate()
return 1
def main(self):
yield self.initialiseComponent()
lq = ListQueues()
lq.queues.extend(self.queues)
self.send(lq, 'outbox')
while 1:
if self.dataReady("control"):
mes = self.recv("control")
if isinstance(mes, shutdownMicroprocess) or \
isinstance(mes, producerFinished):
self.client.send(producerFinished(), "control")
break
yield 1
if self.dataReady("inbox"):
m = self.recv("inbox")
if self.logger:
self.send(m.xml(), 'log')
if isinstance(m, GetMessage):
self.handle_new_message(m)
yield 1
if not self.anyReady():
self.pause()
yield 1
yield 1
def handle_new_message(self, m):
pass
