課題2

kadai2.js

var net = require('net');
var maxreq = 1000;
var para = 10;
var port = 12345;
var counter = 0;
var server = net.createServer(function(socket) {
  if (counter ===  maxreq) server.close();
}).listen(port, function() {
  function client_connect() {
    if (counter++ >= maxreq) return;
    var client = net.connect({port: port}, function() {
      client.end();
    });
    client.on('close', function() {
      client_connect();
    });
  }
  for(var i = 0; i < para; i++) {
    client_connect();
  }
});