为什么Flask MQTT客户端不断崩溃

问题描述

我尝试连接到Flask时中断了AWS IoT，但是在连接时，收到消息“客户端断开连接”。

这是在终端中显示的内容：

(373178) wsgi starting up on http://0.0.0.0:5000
CLIENT disCONNECTED
(373178) accepted ('127.0.0.1',59162)
127.0.0.1 - - [22/Aug/2020 15:34:53] code 400,message Bad request version ('::\x13\x01\x13\x02\x13\x03À+À/À,À0̨̩À\x13À\x14\x00\x9c\x00\x9d\x00/\x005\x01\x00\x01\x93JJ\x00\x00\x00\x17\x00\x00ÿ\x01\x00\x01\x00\x00')
127.0.0.1 - - [22/Aug/2020 15:34:53] "üa'=¢hüPáãÇæµWPèò  ²Ë@L\È #
                                                                 ½@úA|<TÔöù»`­lü ::À+À/À,À0̨̩ÀÀJJÿ" 400 -
(373178) accepted ('127.0.0.1',59164)
127.0.0.1 - - [22/Aug/2020 15:34:53] code 400,message Bad request version ('Q\x8f\x7f\x92\x1a\x02Å\x02\x00"\x1a\x1a\x13\x01\x13\x02\x13\x03À+À/À,À0̨̩À\x13À\x14\x00\x9c\x00\x9d\x00/\x005\x00')
127.0.0.1 - - [22/Aug/2020 15:34:53] "ü!o×LD(Mu¬µÑ<ÁGµºOÑßIÅô®Ì§ 6Màòæðú­s»s2TïNëoQÅ"À+À/À,À0̨̩ÀÀ¯>1u´óð
                                                                                                          "&e¤O c-² Q鬵07:AÕ¸÷T
ͦJVcîY7,h  ÊÊÀ+À/À,À0̨̩ÀÀjjÿ" 400 -
(373178) accepted ('127.0.0.1',59228)
127.0.0.1 - - [22/Aug/2020 15:35:00] code 400,message Bad request version (',\x00"**\x13\x01\x13\x02\x13\x03À+À/À,À0̨̩À\x13À\x14\x00\x9c\x00\x9d\x00/\x005\x00')

这是我的代码：

import json
import ssl

from flask import Flask,render_template

import eventlet
from flask_mqtt import Mqtt
from flask_socketio import SocketIO

eventlet.monkey_patch()

app = Flask(__name__)
app.config['SECRET'] = 'my secret key'
app.config['TEMPLATES_AUTO_RELOAD'] = True

# Parameters for SSL
app.config['MQTT_CLIENT_ID'] = "thing"
app.config['MQTT_broKER_URL'] = "a6bxn5zm10lso-ats.iot.us-east-1.amazonaws.com"
app.config['MQTT_TLS_CA_CERTS'] = 'rootca.pem.crt'
app.config['MQTT_TLS_CERTFILE'] = 'certfile.pem.crt'
app.config['MQTT_TLS_KEYFILE'] = 'keyfile.pem.key'
app.config['MQTT_broKER_PORT'] = 8883
app.config['MQTT_KEEPALIVE'] = 60
app.config['MQTT_TLS_ENABLED'] = True
app.config['MQTT_TLS_VERSION'] = ssl.PROTOCOL_TLSv1_2
app.config['MQTT_TLS_CERT_REQS'] = ssl.CERT_required

mqtt = Mqtt(app)
socketio = SocketIO(app)


@app.route('/')
def index():
    return render_template('index.html')


# @socketio.on('publish')
# def handle_publish(json_str):
#     data = json.loads(json_str)
#     mqtt.publish(data['topic'],data['message'])


@socketio.on('subscribe')
def handle_subscribe(json_str):
    data = json.loads(json_str)
    mqtt.subscribe(data['topic'])


@socketio.on('unsubscribe_all')
def handle_unsubscribe_all():
    mqtt.unsubscribe_all()


@mqtt.on_message()
def handle_mqtt_message(client,userdata,message):
    data = dict(
        topic=message.topic,payload=message.payload.decode()
    )
    socketio.emit('mqtt_message',data=data)


@mqtt.on_connect()
def handle_connect(client,flags,rc):
    print("CLIENT CONNECTED")


@mqtt.on_disconnect()
def handle_disconnect():
    print("CLIENT disCONNECTED")


@mqtt.on_log()
def handle_logging(client,level,buf):
    print(level,buf)


if __name__ == '__main__':
    socketio.run(app,host='0.0.0.0',port=5000,use_reloader=False,debug=True)

我一直找不到答案。

解决方法

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