63 lines
2.3 KiB
C#
63 lines
2.3 KiB
C#
// Copyright (C) 2016, The Duplicati Team
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// http://www.duplicati.com, info@duplicati.com
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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using CoCoL;
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using System.IO;
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using System.Threading.Tasks;
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using Duplicati.Library.Interface;
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namespace Duplicati.Library.Main.Operation.Backup
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{
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internal struct StreamProcessResult
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{
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public string Streamhash { get; internal set; }
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public long Streamlength { get; internal set; }
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public long Blocksetid { get; internal set; }
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}
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internal struct StreamBlock
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{
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public string Path;
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public Stream Stream;
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public bool IsMetadata;
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public CompressionHint Hint;
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public TaskCompletionSource<StreamProcessResult> Result;
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public static async Task<StreamProcessResult> ProcessStream(IWriteChannel<StreamBlock> channel, string path, Stream stream, bool isMetadata, CompressionHint hint)
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{
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var tcs = new TaskCompletionSource<StreamProcessResult>();
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// limit the stream length to that found now, a fixed point in time
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var limitedStream = new Library.Utility.ReadLimitLengthStream(stream, stream.Length);
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var streamBlock = new StreamBlock
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{
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Path = path,
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Stream = limitedStream,
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IsMetadata = isMetadata,
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Hint = hint,
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Result = tcs
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};
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await channel.WriteAsync(streamBlock);
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return await tcs.Task.ConfigureAwait(false);
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}
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}
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}
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