mirror of
https://github.com/balkian/mqtt-poc.git
synced 2024-12-22 12:58:12 +00:00
34 lines
1.0 KiB
Python
34 lines
1.0 KiB
Python
import paho.mqtt.client as mqtt
|
|
import os
|
|
|
|
HOST = os.environ.get('MQTT_HOST', 'localhost')
|
|
|
|
print('Connecting to %s' %HOST)
|
|
|
|
# The callback for when the client receives a CONNACK response from the server.
|
|
def on_connect(client, userdata, flags, rc):
|
|
print("Connected with result code "+str(rc))
|
|
|
|
# Subscribing in on_connect() means that if we lose the connection and
|
|
# reconnect then subscriptions will be renewed.
|
|
#
|
|
# QOS: 0) no confirmation; 1) at least once; 2) at most once
|
|
|
|
client.subscribe("/gsi/#", qos=2)
|
|
|
|
# The callback for when a PUBLISH message is received from the server.
|
|
def on_message(client, userdata, msg):
|
|
print(msg.topic+" "+str(msg.payload))
|
|
|
|
client = mqtt.Client(client_id='mqtt-server', clean_session=False)
|
|
client.on_connect = on_connect
|
|
client.on_message = on_message
|
|
|
|
client.connect(HOST, 1883, 60)
|
|
|
|
# Blocking call that processes network traffic, dispatches callbacks and
|
|
# handles reconnecting.
|
|
# Other loop*() functions are available that give a threaded interface and a
|
|
# manual interface.
|
|
client.loop_forever()
|