gistfile1.txt

#!/usr/bin/env node

/**
 * Module dependencies.
 */

let app = require('../app');
let debug = require('debug')('maroon-lab-node:server');
let http = require('http');
let io = require('socket.io')(http);
/**
 * Get port from environment and store in Express.
 */

let port = normalizePort(process.env.PORT || '3000');
app.set('port', port);

/**
 * Create HTTP server.
 */

let server = http.createServer(app);


ObjectID = null;
db =null;
mongo = require('mongodb');
MongoClient = mongo.MongoClient;
MongoClient.connect( "mongodb://localhost/test", function( err, dba ) {
    this.db = dba;
    if(err!=null) {
        console.log(err.message);
    }

    // ObjectID = dba.ObjectID;
   ObjectID = mongo.ObjectID;

    /**
 * Listen on provided port, on all network interfaces.
 */

    server.listen(port);
    io.listen(server);
    io.on('connection', function (socket) {
        console.log("got a connection");


        socket.on('hi', function () {
            console.log('got hi');
        });



        socket.on('disconnect', function () {
            console.log('dis');
        });

    });

    //
    //
    // io.use(function(socket, next){
    //     console.log('ok?');
    //     // socket.disconnect();
    //     next(new Error('Authentication error'));
    //
    // });

    server.on('error', onError);
    server.on('listening', onListening);

} );







/**
 * Normalize a port into a number, string, or false.
 */

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

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

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

  return false;
}

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

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

  let 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() {
  let addr = server.address();
  let bind = typeof addr === 'string'
    ? 'pipe ' + addr
    : 'port ' + addr.port;
  debug('Listening on ' + bind);
}