www

www

#!/usr/bin/env node
/**
* Module dependencies.
*/
var app = require('../app');
var debug = require('debug')('mean-app:server');
var http = require('http');

/*
* Get port from environment and store in Express.
*/
var port = normalizePort(process.env.PORT || '3000');
app.set('port', port);

/**
* Create HTTP server.
*/
var server = http.createServer(app);

/**
* Listen on provided port, on all network interfaces.
*/
server.listen(port);
server.on('error', onError);
server.on('listening', onListening);


/**
* Normalize a port into a number, string, or false.
*/
function normalizePort(val) {
    var 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;
    }
    
    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() {
    var addr = server.address();
    var bind = typeof addr === 'string' ? 'pipe ' + addr : 'port ' + addr.port;
    debug('Listening on ' + bind);
}