streamer.js

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

http.createServer(function(req, res) {
	var path = './test.mp4';
	var stat = fs.statSync(path);
	var total = stat.size;
	if (req.headers.range) {
		var range = req.headers.range;
		var parts = range.replace(/bytes=/, "").split("-");
		var partialstart = parts[0];
		var partialend = parts[1];

		var start = parseInt(partialstart);
		var end = partialend ? parseInt(partialend) : total - 1;
		var chunksize = (end - start) + 1;
		console.log('RANGE: ' + start + ' - ' + end + ' = ' + chunksize);

		var file = fs.createReadStream(path, {
			start: start,
			end: end
		});

		// log buffer data
		// file.on('data', function(buffer) {
		// 	console.log('READ BUFFER', buffer.length);
		// });

		res.on('drain', function(buffer) {
			console.log('Sending');
		});

		res.writeHead(206, {
			'Content-Range': 'bytes ' + start + '-' + end + '/' + total,
			'Accept-Ranges': 'bytes',
			'Content-Length': chunksize,
			'Content-Type': 'video/mp4'
		});
		file.pipe(res);
	} else {
		console.log('ALL: ' + total);
		res.writeHead(200, {
			'Content-Length': total,
			'Content-Type': 'video/mp4'
		});
		fs.createReadStream(path).pipe(res);
	}
}).listen(8866, '127.0.0.1');

console.log('Server running at http://127.0.0.1:8866/');