def delivery(self, info_list, info_type, server_id):
try:
# send heartbeat data
self.__producer.send(
self.__topic_heartbeat, {
Mc.FIELD_SERVER_ID: server_id,
Mc.MSG_TYPE: info_type,
Mc.MSG_TIME: Mu.generate_check_id()
})
self.__producer.flush()
if info_list:
# as producer doesn't support transaction
# https://github.com/dpkp/kafka-python/issues/1396
# https://github.com/dpkp/kafka-python/issues/1063
# add message begin and end part, consumer will abandon all messages if missing begin or end
# header
Mu.log_debug(
self.__logger,
"Sending {0} message header to queue...".format(info_type))
self.__producer.send(
self.__topic,
MsgProducerService.__get_message_header(
info_type, server_id))
# body
for info in info_list:
# for all messages, add type and server id
info[Mc.MSG_TYPE] = info_type
info[Mc.FIELD_SERVER_ID] = server_id
Mu.log_debug(
self.__logger,
"Sending {0} info {1} to queue...".format(
info_type, info))
self.__producer.send(self.__topic, info)
Mu.log_debug(
self.__logger,
"{0} info {1} is sent to queue...".format(
info_type, info))
# ending
Mu.log_debug(
self.__logger,
"Sending {0} message ending to queue...".format(info_type))
self.__producer.send(
self.__topic,
MsgProducerService.__get_message_ending(
info_type, server_id))
self.__producer.flush()
Mu.log_debug(
self.__logger,
"Sending {0} message to queue is finished...".format(
info_type))
except Exception as ex:
Mu.log_error(
self.__logger,
"Some thing wrong when delivering, error: {0}".format(ex))
def run(self):
"""run the thread"""
while True:
check_id = Mu.generate_check_id()
self.monitoring(check_id)
time.sleep(self._get_interval())
