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ATPMQTT_project/getmsg.py
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import paho.mqtt.client as mqtt | |
# The callback for when the broker 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. | |
client.subscribe("sensor/data") | |
# 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.on_connect = on_connect | |
client.on_message = on_message | |
client.username_pw_set("admin", "public") | |
client.connect("localhost", 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() |