public override async Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
{
// Validate inputs
if (buffer == _arrayPoolBuffer)
{
throw new ArgumentException(nameof(buffer));
}
_deflateStream.EnsureNotDisposed();
if (count <= 0)
{
return;
}
else if (count > buffer.Length - offset)
{
// The source stream is either malicious or poorly implemented and returned a number of
// bytes larger than the buffer supplied to it.
throw new InvalidDataException("Found invalid data while decoding.");
}
// Feed the data from base stream into the decompression engine.
_deflateStream._inflater.SetInput(buffer, offset, count);
// While there's more decompressed data available, forward it to the destination stream.
while (true)
{
int bytesRead = _deflateStream._inflater.Inflate(_arrayPoolBuffer, 0, _arrayPoolBuffer.Length);
if (bytesRead > 0)
{
if (bytesRead > _arrayPoolBufferHighWaterMark)
{
_arrayPoolBufferHighWaterMark = bytesRead;
}
await _destination.WriteAsync(_arrayPoolBuffer, 0, bytesRead, cancellationToken).ConfigureAwait(false);
}
else
{
break;
}
}
}