mqtt-session

Refer this blog post

Implemented persistent session between connected clients with respect to broker.

To create persistent session we need to have same clientId.

Both Subscribe and Publish should have QOS > 0

Connect should have clean false so broker won't create new session on receonnect since the clientId is maintained same

Testing

Follow these steps for testing session.

• node test - which publishes the messages with time interval 5000ms. Topic is timer
• node test2 - Which receives the messages for the topic timer
• stop node test2 - Stop this application now we can see the messages are still publishing by the node test server but the messages our server 2 node test2 is stopped.
• lets start node test2 - we can see the previously sent messages of the server1 are also received
• so we can conculde the persistent session is maintaind

license

MIT