public byte[] GetBytes()
{
List <byte> data = new List <byte>();
data.Add((byte)Type);
data.AddRange(BitConverter.GetBytes(SequenceNumber));
var epBytes = Encoding.UTF8.GetBytes(EndPoint);
if (epBytes.Length > byte.MaxValue)
{
throw new FormatException("EndPoint string is too long.");
}
data.Add((byte)epBytes.Length);
data.AddRange(epBytes);
var payload = GetPayload();
if (payload.Length > ushort.MaxValue)
{
throw new FormatException("Payload size is too big");
}
data.AddRange(NumberConverter.GetBytes((ushort)payload.Length));
data.AddRange(payload);
byte[] bytes = new byte[data.Count + 4];
data.CopyTo(bytes);
Crc32Algorithm.ComputeAndWriteToEnd(bytes);
return(bytes);
}