lot_manager/data_upload.py

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import configparser
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import time
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import paho.mqtt.client as mqtt
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from device import device_name
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from tool import *
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config = configparser.ConfigParser()
config.read('/home/pi/lot_manager/conf/main/config.conf')
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times = 6
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class DataUploadClient:
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def __init__(self, broker, port, topic, username, password):
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self.broker = broker
self.port = port
self.topic = topic
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self.username = username
self.password = password
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# 千万不要指定client_id 不然死翘翘
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self.client = mqtt.Client()
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self.client.username_pw_set(self.username, self.password)
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self.client.on_connect = self.on_connect
self.client.on_disconnect = self.on_disconnect
def on_connect(self, client, userdata, flags, rc):
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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)
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subprocess.Popen(['/usr/bin/bash /home/pi/lot_manager/bash/start_data_upload.sh'], shell=True)
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def on_disconnect(self, client, userdata, rc):
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# 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)
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def start(self):
self.client.connect(self.broker, self.port)
if __name__ == '__main__':
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broker = config.get("broker", "host")
# 这里必须是int类型
port = config.getint("broker", "port")
topic = config.get("topic", "name")
username = config.get("security", "username")
password = config.get("security", "password")
# MQTT = DataUploadClient("192.168.1.27", 1883, "lot_mqtt", "demo", "123456")
MQTT = DataUploadClient(broker, 1883, port, username, password)
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while True:
try:
MQTT.start()
MQTT.client.loop_forever()
except:
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time.sleep(10)
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if times == 0:
MQTT.on_disconnect(None, None, None)
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times -= 1