<gh_stars>0
#!/usr/bin/env python

import paho.mqtt.client as mqtt

# 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.
    client.subscribe("onelittleboy")
    print("Subscribe to topic onelittleboy")

# The callback for when a PUBLISH message is received from the server.
def on_message(client, userdata, msg):
    out = '{} {}'.format(msg.topic, msg.payload)
    print(out)

def on_log(client, userdata, level, buf):
    print("log: ", buf)

client = mqtt.Client()
client.on_connect = on_connect
client.on_message = on_message
client.on_log = on_log

broker = 'myvm2'
port = 1883
keepalive = 60
client.connect(broker, port, keepalive)

# 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()
