private async Task <CasHash> HashStreamToFileAsync(Stream filestream, string filename)
{
using (var output = await m_cache.ContendedOpenStreamAsync(filename, FileMode.Create, FileAccess.Write, FileShare.None, handlePendingDelete: false))
{
using (var hasher = ContentHashingUtilities.HashInfo.CreateContentHasher())
{
using (var hashingStream = hasher.CreateReadHashingStream(filestream))
{
hashingStream.CopyTo(output);
return(new CasHash(hashingStream.GetContentHash()));
}
}
}
}
