@things-elements/things-scene-stomp v0.1.9

Stomp data source component for Things Scene

Concept

• Subscribe Subject(Queue) via Stomp Web Socket protocol.
• Data Spread is set in data binding.
• The data format supports Plain Text and JSON format.

Setting

When use Stomp-Websocket Plug-in of RabbitMQ

• url : http://{hostname}:{port:15674}/stomp
• login : username
• passcode : password
• subject : subject
• data-format : Plain Text or JSON
• debug : Select whether to output debug information to console

Message Exchange when use Stomp-Websocket Plug-in of Rabbit MQ

If use Stomp-Websocket Plug-in of Rabbit MQ,
you will receive a message sent via AMQP Queue which is the same as Subject property.

To receive from Stomp Data Source using AMQP of Rabbit MQ,
see the JavaScript sample code below.

var amqp = require('amqplib/callback_api');

amqp.connect('amqp://hatiolab:hatiolab@mq.hatiolab.com', function(err, conn) {
  if(err) {
    console.error(err);
    return;
  }

  conn.createChannel(function (err, ch) {
    // Make the name of q the same as Subject property.
    var q = 'location';

    ch.assertQueue(q, { durable: true });

    var location = {
      x: 100,
      y: 200
    }

    ch.sendToQueue(q, new Buffer(JSON.stringify(location)));
  });
});