/// <summary> Write a buffer of bytes to the store. </summary>
public static async Task <WrittenBlob> WriteAsync(
this IWriteOnlyStore store,
byte[] buffer,
int offset,
int count,
CancellationToken cancel)
{
using (var writer = store.StartWriting())
return(await writer.WriteAndCommitAsync(buffer, offset, count, cancel).ConfigureAwait(false));
}
private static async Task <WrittenBlob> ImportBlobUnchecked(this IWriteOnlyStore store, IReadBlobRef srcBlob, CancellationToken cancel)
{
using (var writer = store.StartWriting())
{
using (var reader = await srcBlob.OpenAsync(cancel).ConfigureAwait(false))
{
await writer.WriteAsync(reader.ReadAsync, null, cancel).ConfigureAwait(false);
}
return(await writer.CommitAsync(cancel).ConfigureAwait(false));
}
}
/// <summary> Write a stream to a store. </summary>
/// <remarks> Reads forward from the current position of the stream. </remarks>
public static async Task <WrittenBlob> WriteAsync(
this IWriteOnlyStore store,
Stream stream,
int bufferSize,
CancellationToken cancel)
{
// Don't allocate memory we don't need.
if (stream.CanSeek && stream.Length < bufferSize)
{
bufferSize = (int)stream.Length;
}
using (var writer = store.StartWriting())
{
var buffer = new byte[bufferSize];
await WriteAsync(writer, stream, buffer, null, true, cancel).ConfigureAwait(false);
return(await writer.CommitAsync(cancel).ConfigureAwait(false));
}
}