DpackGetData/server.js

var configApp = require('./config/config.js');
var cron = require('cron');
const sql = require('mssql');

var fs = require('fs');
var ini = require('ini');


var debug = require('debug')('app:server');
var http = require('http');

// var io = require('socket.io-client');
// var socket = io.connect('http://localhost:3001', {reconnect: true});
// socket.on('socketClientID', function (socketClientID) {
//     console.log('Connection to server established. SocketID is',socketClientID);
//     socket.emit('hello_from_client', 123);
// });



var port = normalizePort(process.env.PORT || '3000');
configApp.set('port', port);


var server = http.createServer(configApp);
server.listen(port);
server.on('error', onError);
server.on('listening', onListening);




//-------- Function ---------------------------------

function normalizePort(val) {
  var port = parseInt(val, 10);

  if (isNaN(port)) {
	// named pipe
	return val;
  }

  if (port >= 0) {
	// port number
	return port;
  }

  return false;
}

function onError(error) {
  if (error.syscall !== 'listen') {
	throw error;
  }

  var bind = typeof port === 'string'
	? 'Pipe ' + port
	: 'Port ' + port;

  // handle specific listen errors with friendly messages
  switch (error.code) {
	case 'EACCES':
	  console.error(bind + ' requires elevated privileges');
	  process.exit(1);
	  break;
	case 'EADDRINUSE':
	  console.error(bind + ' is already in use');
	  process.exit(1);
	  break;
	default:
	  throw error;
  }
}

/**
 * Event listener for HTTP server "listening" event.
 */

function onListening() {
console.log(`Listen to Port : ${port}`);
  var addr = server.address();
  var bind = typeof addr === 'string'
	? 'pipe ' + addr
	: 'port ' + addr.port;
  debug('Listening on ' + bind);
  
}