import paho.mqtt.client as mqtt
import time
def on_connect(mqttc, userdata, rc):
print("Connected with result code "+str(rc))
if rc!=0 :
mqttc.reconnect()
def on_publish(mqttc, userdata, mid):
print "Published"
def on_disconnect(mqttc, userdata, rc):
if rc != 0:
print("Unexpected disconnection. Reconnecting...")
mqttc.reconnect()
else :
print "Disconnected successfully"
# Setup MQTT
# broker='test.mosquitto.org'
broker = 'iot.eclipse.org'
broker_port=1883
# Create a client instance
mqttc=mqtt.Client(client_id="MyClient")
mqttc.on_connect = on_connect
mqttc.on_publish = on_publish
mqttc.on_disconnect = on_disconnect
while 1:
mqttc.connect(broker, broker_port, 60)
# print "Connected." # I don't want this message.
# Why isn't the on_connect callback invoked?
try:
topic = "this/is/a/test/topic"
payload = "test_message"
print "Publishing " + payload + " to topic: " + topic + " ..."
mqttc.publish(topic, payload, 0)
except Exception as e:
print "exception"
log_file=open("log.txt","w")
log_file.write(str(time.time())+" "+e.__str__())
log_file.close()
mqttc.disconnect()
print ""
time.sleep(3)