duplicati/Duplicati/Library/Main/Volumes/BlockVolumeWriter.cs

55 lines
2.3 KiB
C#

// Copyright (C) 2025, The Duplicati Team
// https://duplicati.com, hello@duplicati.com
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Duplicati.Library.Interface;
namespace Duplicati.Library.Main.Volumes
{
public class BlockVolumeWriter : VolumeWriterBase
{
private long m_blocks;
private long m_sourcesize;
public long Blocks { get { return m_blocks; } }
public long SourceSize { get { return m_sourcesize; } }
public override RemoteVolumeType FileType { get { return RemoteVolumeType.Blocks; } }
public BlockVolumeWriter(Options options)
: base(options)
{
}
public async Task AddBlock(string hash, byte[] data, int offset, int size, CompressionHint hint)
{
m_blocks++;
m_sourcesize += size;
//Filenames are encoded with "modified Base64 for URL" https://en.wikipedia.org/wiki/Base64#URL_applications,
using (var s = m_compression.CreateFile(Library.Utility.Utility.Base64PlainToBase64Url(hash), hint, DateTime.UtcNow))
await s.WriteAsync(data.AsMemory(offset, size)).ConfigureAwait(false);
}
}
}