gistfile1.txt

'use strict';

var Promise = require('bluebird');

module.exports = function (app) {
    var c = app.config, log = app.log;

    return Promise.promisify(app.listen)(
        c.get('port'),
        c.get('ip')
    ).then(function (server) {
        var a = server.address();
        log.info('Server listening on ' + a.address + ':' + a.port + ' in ' + app.env + ' mode');
        
        app._onShutdown$ = new Promise(function (resolve, reject) {
            var shutdown$;
            
            app.shutdown = function () {
                if (shutdown$) { return shutdown$; }
                
                var timeout = c.get('shutdown.timeout');
                
                if (timeout) {
                    log.info('Shutting down (timeout ' + timeout + 'ms)');
                } else {
                    log.info('Shutting down (no timeout)');
                }
                
                var promises = [ ];
                app.emit('shutdown', function (arg) {
                    if (typeof arg.then === 'function') {
                        promises.push(arg);
                    } else {
                        promises.push(Promise.promisify(arg)());
                    }
                });
                
                if (timeout) {
                    shutdown$ = Promise.any([
                        Promise.delay(timeout),
                        Promise.all(promises)
                    ]).then(resolve, reject);
                } else {
                    shutdown$ = Promise.all(promises)
                        .then(resolve, reject);
                }
                    
                return shutdown$;
            };
        });
        
        app.on('shutdown', function (await) {
            log.info('Closing HTTP server');
            await(server.close);
        });
        
        return app;
    });
};