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barracks-messenger-sdk-betatest

0.1.4 • Public • Published

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Barracks Messaging SDK for Javascript (Beta)

The Javascript SDK to enable messaging on your devices

Installation

$ npm install barracks-messenger-sdk-betatest

Usage

Create a Barracks Messaging SDK instance :

var BarracksMessenger = require('../src/index').BarracksMessenger;
 
var barracksMessenger = new BarracksMessenger({
  apiKey: 'Your user API key',
  unitId: 'The unique device identifier'
});

Your user API key you can be found on the Account page of the Barracks application.

Connect to the messaging service :

barracksMessenger.connect({
    onConnect: function() {
      // Do something when your device connects to MQTT
    },
    onError: function(err) {
      // Do something when an error occurs
    },
    onClose: function() {
      // Do something when the connection is closed
    },
    onReconnect: function() {
      // Do somethings when the device attempts to reconnect
    }
});

Subscribe to a topic to enable message reception :

barracksMessenger.subscribe(topic, function(messageReceived) {
    // Do something with a message when you retrieve it
}, { qos: 1 });

A message object has 5 properties :

  • payload : String
  • retained : boolean
  • topic : String
  • length : int
  • qos : 0 or 1 (2 is not supported yet)

End the connection :

barracksMessenger.end();

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install

npm i barracks-messenger-sdk-betatest

Downloadsweekly downloads

0

version

0.1.4

license

Apache-2.0

homepage

github.com

repository

Gitgithub

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