69 lines
1.7 KiB
Python
69 lines
1.7 KiB
Python
import json
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import time
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import uvicorn
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from fastapi import FastAPI
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import paho.mqtt.client as mqtt
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app = FastAPI()
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broker = 'mqtt.lihaink.cn'
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port = 1883
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subscribe_topic = 'info_dev_4'
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username = 'lihai_lot_land_1'
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password = 'lihai_lot_land_1'
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class MQTTClient:
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def __init__(self, broker, port, topic, username, password):
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self.broker = broker
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self.port = port
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self.topic = topic
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self.username = username
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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
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def on_connect(self, client, userdata, flags, rc):
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if rc == 0:
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self.client.subscribe(self.topic)
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def push(self):
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self.client.publish("lihai_lot_walnutpi_dev_4", payload=json.dumps({"msg": "push_stream"}, ensure_ascii=False),
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qos=0)
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def close(self):
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self.client.publish("lihai_lot_walnutpi_dev_4", payload=json.dumps({"msg": "close_stream"}, ensure_ascii=False),
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qos=0)
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def start(self):
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self.client.connect(self.broker, self.port)
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@app.get("/push_stream")
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def push_stream():
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try:
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MQTT.start()
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MQTT.push()
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except Exception as e:
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# print(e)
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pass
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@app.get("/close_stream")
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def close_stream():
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try:
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MQTT.start()
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MQTT.close()
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except Exception as e:
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# print(e)
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pass
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if __name__ == '__main__':
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MQTT = MQTTClient(broker, port, subscribe_topic, username, password)
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uvicorn.run(app, host="127.0.0.1", port=8000)
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