The Tor Browser / file revision

 var tls = require('tls'),

     frames = require('../fixtures/frames');

 var uri = require('url').parse(process.argv[2]),

     host = uri.hostname,

     port = +uri.port,

     url = uri.path;

 frames.createSynStream(host, url, function(syn_stream) {

   var start = +new Date,

       num = 3000;

   batch(port, host, syn_stream, 100, num, function() {

     var end = +new Date;

     console.log('requests/sec : %d', 1000 * num / (end - start));

   });

 });

 function request(port, host, data, callback) {

   var socket = tls.connect(port, host, {NPNProtocols: ['spdy/2']}, function() {

     socket.write(data);

     socket.once('data', function() {

       socket.destroy();

       callback();

     });

   });

   return socket;

 };

 function batch(port, host, data, parallel, num, callback) {

   var left = num,

       done = 0;

   for (var i = 0; i < parallel; i++) {

     run(i);

   }

   function run(i) {

     left--;

     if (left < 0) return;

     request(port, host, data, function() {

       if (++done ===  num) return callback();

       run(i);

     });

   }

 };