1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
#!/usr/bin/python3
# -*- coding: utf-8 -*-
# Copyright (c) 2013 Roger Light <roger@atchoo.org>
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Eclipse Distribution License v1.0
# which accompanies this distribution.
#
# The Eclipse Distribution License is available at
# http://www.eclipse.org/org/documents/edl-v10.php.
#
# Contributors:
# Roger Light - initial implementation
# This example shows how you can use the MQTT client in a class.
import context # Ensures paho is in PYTHONPATH
import paho.mqtt.client as mqtt
class MyMQTTClass(mqtt.Client):
def on_connect(self, mqttc, obj, flags, reason_code, properties):
print("rc: "+str(reason_code))
def on_connect_fail(self, mqttc, obj):
print("Connect failed")
def on_message(self, mqttc, obj, msg):
print(msg.topic+" "+str(msg.qos)+" "+str(msg.payload))
def on_publish(self, mqttc, obj, mid, reason_codes, properties):
print("mid: "+str(mid))
def on_subscribe(self, mqttc, obj, mid, reason_code_list, properties):
print("Subscribed: "+str(mid)+" "+str(reason_code_list))
def on_log(self, mqttc, obj, level, string):
print(string)
def run(self):
self.connect("mqtt.eclipseprojects.io", 1883, 60)
self.subscribe("$SYS/#", 0)
rc = 0
while rc == 0:
rc = self.loop()
return rc
# If you want to use a specific client id, use
# mqttc = MyMQTTClass("client-id")
# but note that the client id must be unique on the broker. Leaving the client
# id parameter empty will generate a random id for you.
mqttc = MyMQTTClass(mqtt.CallbackAPIVersion.VERSION2)
rc = mqttc.run()
print("rc: "+str(rc))
|
