test-net-bytes-stats.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 net = require('net');

var tcpPort = common.PORT;
var bytesRead = 0;
var bytesWritten = 0;
var count = 0;

var tcp = net.Server(function(s) {
  console.log('tcp server connection');

  s.on('end', function() {
    bytesRead += s.bytesRead;
    console.log('tcp socket disconnect #' + count);
  });
});

tcp.listen(common.PORT, function() {
  var socket = net.createConnection(tcpPort);

  socket.on('connect', function() {
    count++;
    console.log('tcp client connection #' + count);

    socket.write('foo', function() {
      socket.end('bar');
    });
  });

  socket.on('end', function() {
    bytesWritten += socket.bytesWritten;
    console.log('tcp client disconnect #' + count);
  });

  socket.on('close', function() {
    console.log('Bytes read: ' + bytesRead);
    console.log('Bytes written: ' + bytesWritten);
    if (count < 2) {
      socket.connect(tcpPort);
    } else {
      tcp.close();
    }
  });
});

process.on('exit', function() {
  assert.equal(bytesRead, 12);
  assert.equal(bytesWritten, 12);
});