gistfile1.js

Downloader.prototype.download = function() {

	if(this.quota.length >= 1 && !this.isDownloading) {
		this.isDownloading = true;

		var id = this.quota.shift();
		var httpClient = http.createClient(this.port, this.host);

		var request = httpClient.request('GET', '/download/' + this.key + '/' + id, {

			'Time' : new Date(),
			'Host' : this.host + ':' + this.port

		});
		request.end('', 'utf8');
		var stream = fs.createWriteStream(__dirname + '/tmp/' + id, {
			flags : 'w',
			encoding : null,
			mode : 0666
		})
		var self = this;
		request.on('end', function() {
			self.isDownloading = false;
			callBack()
			self.download()
		}).on('error', function(err) {
			throw err
		})
		request.on('response', function(response) {

			response.pipe(stream)
		});
	}
};