mqtt stuff added

node_modules/mqtt/examples/wss/client.js

@@ -0,0 +1,49 @@
+'use strict'
+
+var mqtt = require('mqtt')
+
+var clientId = 'mqttjs_' + Math.random().toString(16).substr(2, 8)
+
+var host = 'wss://localhost:3001/Mosca'
+
+var options = {
+  keepalive: 10,
+  clientId: clientId,
+  protocolId: 'MQTT',
+  protocolVersion: 4,
+  clean: true,
+  reconnectPeriod: 1000,
+  connectTimeout: 30 * 1000,
+  will: {
+    topic: 'WillMsg',
+    payload: 'Connection Closed abnormally..!',
+    qos: 0,
+    retain: false
+  },
+  username: 'demo',
+  password: 'demo',
+  rejectUnauthorized: false
+}
+
+var client = mqtt.connect(host, options)
+
+client.on('error', function (err) {
+  console.log(err)
+  client.end()
+})
+
+client.on('connect', function () {
+  console.log('client connected:' + clientId)
+})
+
+client.subscribe('topic', { qos: 0 })
+
+client.publish('topic', 'wss secure connection demo...!', { qos: 0, retain: false })
+
+client.on('message', function (topic, message, packet) {
+  console.log('Received Message:= ' + message.toString() + '\nOn topic:= ' + topic)
+})
+
+client.on('close', function () {
+  console.log(clientId + ' disconnected')
+})