Testing connect time

command.sh

wrk -c 30 -d 30s -t 30 http://127.0.0.1:8888

endpoint.js

'use strict';

var Http = require('http');

var server = Http.createServer(function (req, res) {
    res.writeHead(200);
    res.end('OK');
});

server.listen(8887);

proxy.js

'use strict';

var Http = require('http');

var server = Http.createServer(function (req, res) {
    var request = Http.request({
        method: 'GET',
        hostname: '127.0.0.1',
        port: 8887
    }, function (response) {
        res.writeHead(200);
        res.end();
    });

    request.once('socket', function (socket) {
        var start = Date.now();

        socket.once('connect', function () {
            var time = Date.now() - start;

            if (time > 100) {
                console.log('connect in %d/ms.', time);
            }
        });
    });

    request.end();
});

server.listen(8888);