private async Task <(long Chunks, long Bytes)> StreamContentWithCompressionAsync(Stream reader, byte[] buffer, IServerStreamWriter <CopyFileResponse> responseStream, CancellationToken ct = default(CancellationToken))
{
Debug.Assert(!(reader is null));
Debug.Assert(!(responseStream is null));
long bytes = 0L;
long chunks = 0L;
using (Stream grpcStream = new BufferedWriteStream(
buffer,
async(byte[] bf, int offset, int count) =>
{
ByteString content = ByteString.CopyFrom(bf, offset, count);
CopyFileResponse response = new CopyFileResponse()
{
Content = content, Index = chunks
};
await responseStream.WriteAsync(response);
bytes += count;
chunks++;
}
))
{
using (Stream compressionStream = new GZipStream(grpcStream, System.IO.Compression.CompressionLevel.Fastest, true))
{
await reader.CopyToAsync(compressionStream, buffer.Length, ct).ConfigureAwait(false);
await compressionStream.FlushAsync().ConfigureAwait(false);
}
await grpcStream.FlushAsync().ConfigureAwait(false);
}
return(chunks, bytes);
}
private async Task <Result <(long Chunks, long Bytes)> > StreamContentWithCompressionAsync(Stream input, byte[] buffer, byte[] secondaryBuffer, IServerStreamWriter <CopyFileResponse> responseStream, CancellationToken ct)
{
long bytes = 0L;
long chunks = 0L;
using (Stream grpcStream = new BufferedWriteStream(
buffer,
async(byte[] bf, int offset, int count) =>
{
ByteString content = ByteString.CopyFrom(bf, offset, count);
CopyFileResponse response = new CopyFileResponse()
{
Content = content, Index = chunks
};
await responseStream.WriteAsync(response);
bytes += count;
chunks++;
}
))
{
using (Stream compressionStream = new GZipStream(grpcStream, System.IO.Compression.CompressionLevel.Fastest, true))
{
await input.CopyToAsync(compressionStream, buffer.Length, ct);
await compressionStream.FlushAsync(ct);
}
await grpcStream.FlushAsync(ct);
}
return(chunks, bytes);
}
