def publisher(self):
counter = 0
while True:
datagram, address = self.rq.get()
logger.debug("Packet received: " + datagram + " from ip: " + str(address))
# parse packet
try:
packet = Packet()
packet.from_json(datagram)
except Exception, err:
logger.error("could not parse packet: " + str(datagram) + " : " + str(err))
logger.debug(traceback.format_exc())
continue
# update address cache
if packet.src not in self.cache:
self.cache[packet.src] = str(address[0])+":"+str(address[1])
logger.debug('ip address registred: ' + str(packet.src) + " = " + str(address[0])+":"+str(address[1]))
# TODO: persist
elif(self.cache[packet.src] != str(address[0])+":"+str(address[1])):
self.cache[packet.src] = str(address[0])+":"+str(address[1])
# create event based on packet cmd
if packet.cmd == "device.update":
# create event
event = Event("device.update")
event.src = self.name
event.data = packet.data
event.data["sys.id"] = packet.src
else:
logger.error("unknown command")
continue;
# logger.debug("publish counter: " + str(counter))
# publish event
self.eventbus.publish(event, "adapter")
def listen(self):
while True:
obj = self.redis.brpop(self.name)
#logger.debug(self.name)
#logger.debug("redis core pop msg: " + str(obj))
try:
event = Event()
event.from_json(obj[1])
# suppress self messages
if event.src != self.name:
yield event
except Exception, err:
logger.error("could not parse event: " + str(obj) + " : " + str(err))
logger.debug(traceback.format_exc())
def run2(self):
# connect
self.init()
logger.info("Plugin started. PID: " + str(os.getpid()))
counter = 0
while True:
# blocking call to receive event
event = self.eventbus.receive()
logger.debug("Event received: " + event.to_json())
if event.name == "device.update":
counter = counter + 1
# create command
e = Event("device.push")
e.data = event.data
# send command
self.eventbus.dispatch(e)
def run(self):
# connect
self.init()
logger.info("Plugin started. PID: " + str(os.getpid()))
counter = 0
self.eventbus.subscribe("core")
self.eventbus.subscribe("adapter")
self.eventbus.subscribe("plugin")
for event in self.eventbus.listen():
logger.debug("Event received: " + event.to_json())
if event.name == "device.update":
counter = counter + 1
# create command
e = Event("device.push")
e.data = event.data
# send command
self.eventbus.publish(e, "plugin")
def receive(self):
obj = self.zmq_socket.recv()
event = Event()
event.from_json(obj)
return event;