This commit is contained in:
xyj 2023-12-09 18:49:22 +08:00
parent 9118002254
commit b0dc21dec1
3 changed files with 87 additions and 33 deletions

View File

@ -34,7 +34,6 @@ class MQTTClient:
def on_connect(self, client, userdata, flags, rc):
print("Connected with result code " + str(rc))
self.client.subscribe(self.topic)
client.subscribe('lot_mqtt')
client.publish('success', payload='成功订阅lot_mqtt' + str(time.time()), qos=0)
def on_disconnect(self, client, userdata, rc):

76
data_upload.py Executable file → Normal file
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@ -1,43 +1,55 @@
import os
import subprocess
import json
import time
import paho.mqtt.client as mqtt
from device import device_name
from tool import *
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 valid(msg, client):
origin_data = json.loads(msg.payload.decode('utf-8'))
if 'msg' not in origin_data:
client.publish('error', payload='msg must be supplied', qos=0)
return False
if 'device_name' not in origin_data:
client.publish('error', payload='device_name must be supplied', qos=0)
return False
client.publish('error', payload=device_name, qos=0)
if device_name != origin_data['device_name']:
return False
return True
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)
class DataUploadClient:
def __init__(self, broker, port, topic):
self.broker = broker
self.port = port
self.topic = topic
self.client = mqtt.Client()
self.client.on_connect = self.on_connect
self.client.on_disconnect = self.on_disconnect
times = 3
def on_connect(self, client, userdata, flags, rc):
self.client.publish('success', payload='连接成功,执行数据推送和本地存储' + str(time.time()), qos=0)
subprocess.Popen(['/usr/bin/bash /home/pi/lot_manager/bash/start_data_upload.sh'], shell=True)
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
def on_disconnect(self, 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)
# 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(3)
times -= 1
def start(self):
self.client.connect(self.broker, self.port)
if __name__ == '__main__':
MQTT = DataUploadClient('192.168.1.27', 1883, 'lot_mqtt')
while True:
try:
MQTT.start()
if MQTT.client.is_connected():
print("连接成功")
MQTT.client.loop_forever()
except:
print("重新连接")
time.sleep(1)

43
data_upload3.py Executable file
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@ -0,0 +1,43 @@
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
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(3)
times -= 1