// hence the calculation is made accordingly.
func totalByteLength(headerLength, payloadLength int) int {
	return 4 + 4 + 4 + headerLength + payloadLength + 4
}

func genMessage(header, payload []byte) []byte {
	headerLength := len(header)
	payloadLength := len(payload)
	totalLength := totalByteLength(headerLength, payloadLength)

	buf := new(bytes.Buffer)