bhaveshgohel

//run this with 'node server.js' and then test in multiple computers using 'telnet 192.168.0.1 9000'
// replace '192.168.0.1' with your ip.
(function () {
    'use strict';
    let net = require('net');
    let chatServer = net.createServer(),
        clientList = []; // a list of connected clients/ machines

    chatServer.on('connection', function (client) {
        //once a client connects we add it to our clientList

bhaveshgohel

// From callbacks to Promises to async functions

function callbackFunc(x, callback) {
  f1(x, (err1, result1) => {
    if (err1) {
      console.error(err1);
      callback(err1);
      return;
    }
    f2(result1, (err2, result2) => {