factory/scripts/mqtt_client.py

48 lines
1.3 KiB
Python

import os
import sys
import django
import paho.mqtt.client as mqtt
import logging
import json
from django.conf import settings
CUR_DIR = os.path.dirname(os.path.abspath(__file__))
BASE_DIR = os.path.dirname(CUR_DIR)
sys.path.insert(0, BASE_DIR)
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "server.settings")
django.setup()
from apps.enm.services import insert_mplogx_from_king_mqtt
_logger = logging.getLogger("log")
def on_connect(mqttc, userdata, flags, rc, properties):
if rc == 0:
if settings.KING_ENABLED: # 订阅亚控的mqtt转发
mqttc.subscribe("datachange_S_KIO_Project") # 订阅主题
else:
_logger.error("Mqtt Bad connection. Code:", rc)
def on_message(mqttc: mqtt, userdata, msg):
topic = msg.topic
if topic == "datachange_S_KIO_Project":
payload = json.loads(msg.payload)
insert_mplogx_from_king_mqtt(payload, settings.KING_MQTT_OFFSET)
def start_mqtt():
if settings.MQTT_ENABLED:
client = mqtt.Client(callback_api_version=mqtt.CallbackAPIVersion.VERSION2, client_id=settings.BASE_PROJECT_CODE)
client.on_connect = on_connect
client.on_message = on_message
# client.enable_logger(_logger)
client.connect(host=settings.MQTT_HOST, port=settings.MQTT_PORT)
client.loop_forever()
if __name__ == "__main__":
start_mqtt()