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JBoss Fuse on xPaaS - IoT Mash-up Demo

There are 3 common protocols when it comes to messaging on Internet of Things,

MQTT - is OASIS standard, adopted by various vendor and companies, it is an extremely light weight transport, and is excellent for low computing power device, and platforms. And it only supports publish and subscribe mechanism. 

STOMP - is simple and lightweight (not as light as MQTT), it supports transport over websockets, and it is basically sending text through wires, very much like telnet.

AMQP - is a vendor neutral protocol over the wire, it supports rich sets of communication patterns, and it is accessible through a wide variety of APIs, such as JMS, JCA, WCF, Qpid, etc

All these are very easy to implement using Apache Camel. So I came up with a demo, showcasing these 3 common protocols. 

The basic architecture of demo is basically like this: 

Where I have created different connectors, like MQTT, AMQP, STOMP, WebSocket and Openwire for a broker on top of OpenShift, or it's similar if you want to create this on a Local JBoss Fuse. 
To do that, go to the boker.xml setting (depending on your environment, if you create a new broker profile on Fuse, make sure you make a copy of broker.xml from mq.base profile to your broker profile.), add transportConnector with different protocol name and port. 

<transportConnector name="amqp" publishedAddressPolicy="#addressPolicy" uri="amqp://${OPENSHIFT_FUSE_IP}:5672"/>       

<transportConnector name="mqtt" publishedAddressPolicy="#addressPolicy" uri="mqtt://${OPENSHIFT_FUSE_IP}:1883"/>      

<transportConnector name="stomp" publishedAddressPolicy="#addressPolicy" uri="stomp://${OPENSHIFT_FUSE_IP}:31613"/>      

<transportConnector name="websocket" publishedAddressPolicy="#addressPolicy" uri="ws://${OPENSHIFT_FUSE_IP}:31614"/>

Then install 3 Camel Routes, all of them are using built-in Components in JBoss Fuse to poll in the message from broker. With the built-in component, it will save lots of code implementation time.

AMQP Component: 

MQTT Component: 

STOMP Component: 


As you can see from the camel route, after we retrieve messages, we will process it and put them all into a big queue, which will be picked up later by web application and displayed. 

Because we are using openshift as our broker, we need to export the internal port by using the port-forward command provided by the openshift client tool.

rhc port-forward containerName

And lastly, we are going to startup a local web application, so we can have a nice web interface let you play with different protocol and display the result in a web console. And within the web application, we also use Qpid API and MQTT API to send messages into the queue or topics. 

You can find the demo code here:

Here is the video demo: 


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