simple-mqtt

1.type 'python3 broker.py' to run Broker program.

2.type 'python3 subscriber.py' to run Subscriber program.

• 2.1 type 'subscribe <broker_ip_address> '<topic_name>'' to subscribe the topic
  ex. subscribe 127.0.0.1 '/room1/light'
  

3.type 'python3 publisher.py' to run Publisher program.

• 3.1 type 'publish <broker_ip_address> '<topic_name>' '' to publish value of the topic
  ex. publish 127.0.0.1 '/room1/light' 'value=on'
  

4.See data in Broker terminal and subscriber terminal that subscribe to that topic

5.exit program

• 5.1 On Publisher terminal press 'ctrl + c' or type 'exit' to exit publisher program.
  
• 5.2 On Subscriber terminal press 'ctrl + c' to exit subscriber program and remove socket in broker topics.
  
• 5.3 On Broker terminal press 'ctrl + c' to exit broker and subscriber program and shut down all socket that subsriber connected.