83 lines
2.1 KiB
Python
83 lines
2.1 KiB
Python
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import paho.mqtt.client as mqtt
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import logging
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import time
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import controller
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from mqtttopic import *
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logger = logging.getLogger('main')
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class handler:
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def __init__(self, controller: controller.chargeman_controller):
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self.client = mqtt.Client(mqtt.CallbackAPIVersion.VERSION1)
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self.publisher = mqtt.Client(mqtt.CallbackAPIVersion.VERSION1)
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self.client.on_connect = self.on_connect
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self.client.on_message = self.on_message
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self.controller = controller
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self.variables = {}
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while True:
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try:
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self.client.connect(broker,port, 60)
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self.client.loop_start()
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break
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except:
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logger.info("Unable to connect to mqtt")
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time.sleep(5)
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def subscribing(self):
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pass
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#while True:
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# rc = self.client.loop(timeout=0.1)
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# if rc != 0:
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# if not self.client.is_connected:
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# logger.warning("MQTT subscriber connection disconnected. Reconnecting...")
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# self.client.reconnect()
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# The callback for when the client receives a CONNACK response from the server.
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def on_connect(self,client, userdata, flags, rc):
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logger.info("Connected mqtt handler to mqtt with result code "+str(rc))
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# Subscribing in on_connect() means that if we lose the connection and
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# reconnect then subscriptions will be renewed.
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client.subscribe(topic_chargemode)
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client.subscribe(topic_p1_consumption)
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client.subscribe(topic_p1_return)
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# The callback for when a PUBLISH message is received from the server.
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def on_message(self,client, userdata, msg):
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logger.debug(msg.topic+" "+str(msg.payload))
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if msg.topic == topic_chargemode:
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self.controller.set_chargemode_int(int(msg.payload))
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elif msg.topic == topic_p1_consumption:
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self.controller.set_net_consumption( int(msg.payload))
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elif msg.topic == topic_p1_return:
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self.controller.set_net_delivery( int(msg.payload))
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