Read Packet

gistfile1.js

/** Packet format
 * 4 bytes data size (x)
 * x bytes data
 */
 
var sb = new StreamBuffer();
var requireLength = 0;
var state = 0;
 
client.on('data', function (data) {
	if (state == 0) {
		requireLength = 4;
	}
	sb.update(data);
	while (sb.canRead(requireLength)) {
		var buf = sb.read(requireLength);
		if (state == 0) {
			requireLength = buf.readUInt32LE();
			state = 1;
		} else if (state == 1) {
			console.log(buf); // data
			state = 0;
		} else {
			break;
		}
	}
});