Amazon.Runtime.Internal.Util.ChunkedUploadWrapperStream.ChunkedUploadWrapperStream C# (CSharp) Метод

        internal ChunkedUploadWrapperStream(Stream stream, int wrappedStreamBufferSize, AWS4SigningResult headerSigningResult)
            : base(stream)
        {
            HeaderSigningResult = headerSigningResult;
            PreviousChunkSignature = headerSigningResult.Signature;

            _wrappedStreamBufferSize = wrappedStreamBufferSize;
            _inputBuffer = new byte[DefaultChunkSize];
            _outputBuffer = new byte[CalculateChunkHeaderLength(DefaultChunkSize)]; // header+data

#if BCL || CORECLR
            // if the wrapped stream implements encryption, switch to a read-and-copy
            // strategy for filling the chunk buffer
            var encryptionStream = SearchWrappedStream(s =>
                {
                    var encryptUploadPartStream = s as EncryptUploadPartStream;
                    if (encryptUploadPartStream != null)
                        return true;

                    var encryptStream = s as EncryptStream;
                    return encryptStream != null;
                });

            if (encryptionStream != null)
                _readStrategy = ReadStrategy.ReadAndCopy;
#endif
        }