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Feb 12th, 2017
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  1. import paho.mqtt.client as mqtt
  2. # El callback para cuando el cliente reciva un Connack de respuesta del servidor.
  3. def on_connect(client, userdata, flags, rc):
  4. print("Conectado con el siguiente codigo "+str(rc))
  5. #Suscribirse dentro de On_connect signidica que si perdemos la conexion
  6. #y nos reconectamos la suscripcion se renovara.
  7. client.subscribe(MQTT_topicSub)
  8.  
  9. # The callback for when a PUBLISH message is received from the server.
  10. def on_message(client, userdata, msg):
  11. print(msg.topic+" "+str(msg.payload))
  12.  
  13.  
  14. MQTT_broker = "127.0.0.1"
  15. MQTT_username = ""
  16. MQTT_password = ""
  17. MQTT_topicSub = "/a" #<---topico al que te vas a suscribir
  18. MQTT_topicAlive = "/a"#topico al que le vas a decir que ya estas conectad
  19. MQTT_port = 1883
  20. MQTT_clientID = "conectado "#
  21. client = mqtt.Client(MQTT_clientID, clean_session=True, userdata=None, protocol="MQTTv311", transport="tcp")
  22. client.on_connect = on_connect
  23. client.on_message = on_message
  24. client.username_pw_set(MQTT_username,MQTT_password )
  25. client.connect(MQTT_broker, MQTT_port, 60)
  26. client.publish(MQTT_topicAlive,MQTT_clientID, qos=0, retain=False)
  27. #
  28. while 1:
  29. mensaje= raw_input('mensaje: ')
  30. client.publish("candidatas", mensaje, qos=0, retain=False)
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