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