public NativeReedSolomonImpl(IEnumerable <byte> message)
{
try
{
Message = message.ToArray();
input = new RSBuffer
{
Buffer = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(byte)) * Message.Length),
Length = Message.Length
};
Marshal.Copy(Message, 0, input.Buffer, Message.Length);
}
catch
{
throw new Exception("Can not create new instance of ReedSolomonApp.NativeReedSolomonImpl");
}
}
private (RSCode, IEnumerable <byte>) Encode()
{
if (Message == null)
{
#if DEBUG
throw new NullReferenceException("Message equals to null");
#else
return(RSCode.Unhandled, null);
#endif
}
outEncoded = new RSBuffer();
var code = ReedSolomonEncode(input, GeneratorPolynomial, ref outEncoded);
var encodedBytes = new byte[outEncoded.Length];
if (code == RSCode.Success)
{
Marshal.Copy(outEncoded.Buffer, encodedBytes, 0, outEncoded.Length);
}
return(code, encodedBytes);
}
private (RSCode, IEnumerable <byte>) Decode()
{
if (outEncoded.Buffer == IntPtr.Zero)
{
#if DEBUG
throw new NullReferenceException("outEncoded equals to ZERO");
#else
return(RSCode.Unhandled, null);
#endif
}
outDecoded = new RSBuffer();
var code = ReedSolomonDecode(outEncoded, GeneratorPolynomial, ref outDecoded);
var decodedBytes = new byte[outDecoded.Length];
if (code == RSCode.Success)
{
Marshal.Copy(outDecoded.Buffer, decodedBytes, 0, outDecoded.Length);
}
return(code, decodedBytes);
}
private static extern RSCode ReedSolomonDecode(RSBuffer input, ushort gv, ref RSBuffer output);
private static extern RSCode ReedSolomonNoise(RSBuffer buf, ushort gv, ulong ec, float freq);
