Files
duplicati/Duplicati/Library/Main/Operation/Backup/DataBlock.cs
T
Kenneth Hsu 54c4f9224d Allow tasks to complete on any thread when context is irrelevant.
When the code following the await can be executed on any thread, it's
recommended to use ConfigureAwait(false) to avoid unnecessary context
switching and potential deadlocks.
2018-06-21 19:28:27 -07:00

57 lines
2.1 KiB
C#

// Copyright (C) 2015, The Duplicati Team
// http://www.duplicati.com, info@duplicati.com
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
using System;
using Duplicati.Library.Interface;
using System.Threading.Tasks;
using CoCoL;
namespace Duplicati.Library.Main.Operation.Backup
{
/// <summary>
/// The data block represents a single blob of data read from a file
/// </summary>
internal struct DataBlock
{
public string HashKey;
public byte[] Data;
public int Offset;
public long Size;
public CompressionHint Hint;
public bool IsBlocklistHashes;
public TaskCompletionSource<bool> TaskCompletion;
public static async Task<bool> AddBlockToOutputAsync(IWriteChannel<DataBlock> channel, string hash, byte[] data, int offset, long size, CompressionHint hint, bool isBlocklistHashes)
{
var tcs = new TaskCompletionSource<bool>();
await channel.WriteAsync(new DataBlock() {
HashKey = hash,
Data = data,
Offset = offset,
Size = size,
Hint = hint,
IsBlocklistHashes = isBlocklistHashes,
TaskCompletion = tcs
});
var r = await tcs.Task.ConfigureAwait(false);
return r;
}
}
}