44 lines
1.7 KiB
Python
44 lines
1.7 KiB
Python
from threading import Event
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from loguru import logger
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from MqttBase import AbstractMqttPublisher
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from queue import Empty
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import json
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import datetime
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LOOP_SLICE = 0.1 # seconds
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class MqttPublish(AbstractMqttPublisher):
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def __init__(self, config, queue):
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super().__init__(config)
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self.queue = queue
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self.topicPre = self.config["publishTopicPrefix"]
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self.statusTopic = self.config["statusTopic"]
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self.statusThreshold = self.config["statusThreshold"]
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def localLoop(self):
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cnt = 0
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startTime = datetime.datetime.now()
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while not self.killBill:
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try:
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dataObject = self.queue.get(timeout=LOOP_SLICE)
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if not dataObject.isValid():
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logger.error("invalid dataObject received: drop it")
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else:
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topic = self.topicPre + '/' + dataObject.getTopicPost()
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payload = dataObject.getPayload()
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self.client.publish(topic, payload)
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cnt += 1
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logger.debug("mqtt message sent: {} -> {}".format(topic, payload))
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if cnt % 100 == 1:
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currentTime = datetime.datetime.now()
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uptime = int((currentTime - startTime).total_seconds())
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payload = { "count": cnt, "uptime": uptime }
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self.client.publish(self.statusTopic, json.dumps(payload), retain=True)
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except Empty:
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if self.killBill:
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logger.error("killbill received")
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break
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except Exception as e:
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logger.error(f"Exception {type(e)} received in MQTT local loop: {e}")
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