'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') })