A clustered HTTP server for HTTP connection testing

http-cluster.js

var http    = require('http'),
    cluster = require('cluster');

var numCPUs = require('os').cpus().length;

var host = process.argv[2] || '3.0.0.2';
var port = process.argv[3] || 80;

if (cluster.isMaster) {
  // this is the master, so spawn workers
  for (var i = 0; i < numCPUs; i++) {
    cluster.fork();
  }

  cluster.on('death', function(worker) {
    console.log('worker ' + worker.pid + ' died');
    cluster.fork();
  });
} else {
  // do worker stuff
  server = http.createServer();
  worker = process.env.NODE_WORKER_ID;

  server.on('request', function(req, res) {
    res.writeHead(200);
    res.end();
  });

  server.on('clientError', function(e) {
    console.log('!! client error:', e);
  });

  server.listen(port, host, function () {
    console.log('==> worker %d listening on %s:%d', worker, host, port);
  });
}