private static void Uncompress(ReusableMemoryStream uncompressed, byte[] body, int offset, int length, CompressionCodec codec)
{
try
{
if (codec == CompressionCodec.Snappy)
{
#if NET_CORE
throw new NotImplementedException();
#else
uncompressed.SetLength(SnappyCodec.GetUncompressedLength(body, offset, length));
SnappyCodec.Uncompress(body, offset, length, uncompressed.GetBuffer(), 0);
#endif
}
else // compression == CompressionCodec.Gzip
{
using (var compressed = new MemoryStream(body, offset, length, false))
{
using (var gzip = new GZipStream(compressed, CompressionMode.Decompress))
{
using (var tmp = uncompressed.Pool.Reserve())
{
gzip.ReusableCopyTo(uncompressed, tmp);
}
}
}
}
uncompressed.Position = 0;
}
catch (Exception ex)
{
throw new UncompressException("Invalid compressed data.", codec, ex);
}
}