node/test/simple/test-http-incoming-pipelined-socket-destroy.js

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

var common = require('../common');
var assert = require('assert');

var http = require('http');
var net = require('net');


// Set up some timing issues where sockets can be destroyed
// via either the req or res.
var server = http.createServer(function(req, res) {
  switch (req.url) {
    case '/1':
      return setTimeout(function() {
        req.socket.destroy();
        server.emit('requestDone');
      });

    case '/2':
      return process.nextTick(function() {
        res.destroy();
        server.emit('requestDone');
      });

    // in one case, actually send a response in 2 chunks
    case '/3':
      res.write('hello ');
      return setTimeout(function() {
        res.end('world!');
        server.emit('requestDone');
      });

    default:
      res.destroy();
      server.emit('requestDone');
  }
});


// Make a bunch of requests pipelined on the same socket
function generator(seeds) {
  return seeds.map(function(r) {
    return 'GET /' + r + ' HTTP/1.1\r\n' +
           'Host: localhost:' + common.PORT + '\r\n' +
           '\r\n' +
           '\r\n'
  }).join('');
}


server.listen(common.PORT, function() {
  var seeds = [ 3, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4 ];
  var client = net.connect({ port: common.PORT });
  var done = 0;
  server.on('requestDone', function() {
    if (++done == seeds.length) {
      server.close();
    }
  });

  // immediately write the pipelined requests.
  // Some of these will not have a socket to destroy!
  client.write(generator(seeds));
});

process.on('exit', function(c) {
  if (!c)
    console.log('ok');
});