File upload service with node.js

gistfile1.js

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

var server = http.createServer(function(request, response) {
  var file = fs.createWriteStream('upload.jpg'),
      fileBytes = request.headers['content-length'],
      uploadedBytes = 0;
    
  request.pipe(file);

  request.on('data', function(chunk) {
    uploadedBytes += chunk.length;
    var progress = (uploadedBytes / fileBytes) * 100;
    response.write('progress: ' + parseInt(progress, 10) + '%\n');
  });

  request.on('end', function() {
    response.end('upload complete\n');
  });

});

server.listen(8080);