public PayloadParser()
{
Size = new FrameSegement();
Size.Buffer = _lengthBuffer;
BodyDataType = new Frame();
Body = new Frame();
}
public void SetBuffer(byte[] buffer)
{
/* 8 is the minimum total size length of the datatype & data */
if (buffer.Length < 8)
throw new ArgumentException("buffer length must be greater than 8.");
_buffer = buffer;
_payloadlength = buffer.Length;
int dataTypeLength = BitConverter.ToInt32(buffer, 0);
BodyDataType = new Frame(buffer, 0, 4 + dataTypeLength);
int dataOffset = 4 + dataTypeLength;
int dataLength = _payloadlength - dataOffset;
Body = new Frame(buffer, dataOffset, dataLength);
}