45 lines
1.3 KiB
Python
Executable File
45 lines
1.3 KiB
Python
Executable File
import os
|
|
import subprocess
|
|
import time
|
|
import paho.mqtt.client as mqtt
|
|
|
|
from device import device_name
|
|
|
|
|
|
def on_connect(client, userdata, flags, rc):
|
|
global times
|
|
if rc == 0:
|
|
print("连接成功，执行数据推送和本地存储")
|
|
client.publish('success', payload='连接成功，执行数据推送和本地存储', qos=0)
|
|
# subprocess.Popen(['/usr/bin/bash /home/pi/lot_manager/bash/start_data_upload.sh'], shell=True)
|
|
times = 3
|
|
|
|
|
|
def on_disconnect(client, userdata, rc):
|
|
print("失败，执行本地存储")
|
|
# subprocess.Popen(['/usr/bin/bash /home/pi/lot_manager/bash/stop_data_upload.sh'], shell=True)
|
|
|
|
|
|
times = 3
|
|
|
|
if __name__ == '__main__':
|
|
client = mqtt.Client(client_id=device_name)
|
|
client.username_pw_set("demo", "123456")
|
|
# Specify callback function
|
|
client.on_connect = on_connect
|
|
client.on_disconnect = on_disconnect
|
|
# 尝试连接 MQTT 服务器
|
|
while True:
|
|
try:
|
|
# ceshi-mqtt.lihaink.cn
|
|
client.connect('192.168.1.27', 1883)
|
|
client.loop_forever()
|
|
except Exception as e:
|
|
print("Connection failed:", e)
|
|
if times == 0:
|
|
# 执行本地存储
|
|
on_disconnect(None, None, None)
|
|
print("正在尝试重连")
|
|
time.sleep(5)
|
|
times -= 1
|