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https://github.com/aaru-dps/Aaru.Server.git
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Added support for creating a sidecar from a folder containing
the files of a tape dump. e.g.: tape1/file01, tape2/file02, etc.
This commit is contained in:
200
DiscImageChef.Core/Sidecar/BlockTape.cs
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200
DiscImageChef.Core/Sidecar/BlockTape.cs
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// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : BlockTape.cs
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// Version : 1.0
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// Author(s) : Natalia Portillo
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//
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// Component : Component
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//
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// Revision : $Revision$
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// Last change by : $Author$
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// Date : $Date$
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Description
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright (C) 2011-2015 Claunia.com
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// ****************************************************************************/
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// //$Id$
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using System.Collections.Generic;
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using Schemas;
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using System.IO;
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namespace DiscImageChef.Core
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{
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public static partial class Sidecar
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{
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public static CICMMetadataType Create(string folderName, List<string> files, int blockSize)
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{
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CICMMetadataType sidecar = new CICMMetadataType
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{
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BlockMedia = new[]
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{
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new BlockMediaType
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{
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Image = new ImageType
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{
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format = "Directory",
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offsetSpecified = false,
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Value = folderName
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},
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Sequence = new SequenceType
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{
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MediaTitle = folderName,
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MediaSequence = 1,
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TotalMedia = 1
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},
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PhysicalBlockSize = (int)blockSize,
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LogicalBlockSize = (int)blockSize,
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TapeInformation = new []
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{
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new TapePartitionType
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{
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Image = new ImageType
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{
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format = "Directory",
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offsetSpecified = false,
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Value = folderName
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}
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}
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}
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}
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}
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};
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long currentBlock = 0;
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long totalSize = 0;
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Checksum tapeWorker = new Checksum();
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List<TapeFileType> tapeFiles = new List<TapeFileType>();
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for(int i = 0; i < files.Count; i++)
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{
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FileStream fs = new FileStream(files[i], FileMode.Open, FileAccess.Read);
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Checksum fileWorker = new Checksum();
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TapeFileType tapeFile = new TapeFileType
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{
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Image = new ImageType
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{
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format = "Raw disk image (sector by sector copy)",
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offset = 0,
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Value = Path.GetFileName(files[i])
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},
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Size = fs.Length,
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BlockSize = blockSize,
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StartBlock = currentBlock,
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Sequence = i
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};
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uint sectorsToRead = 512;
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long sectors = fs.Length / blockSize;
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long doneSectors = 0;
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InitProgress2();
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while(doneSectors < sectors)
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{
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byte[] sector;
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if((sectors - doneSectors) >= sectorsToRead)
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{
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sector = new byte[sectorsToRead * blockSize];
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fs.Read(sector, 0, sector.Length);
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UpdateProgress2(string.Format("Hashing block {0} of {1} on file {2} of {3}", doneSectors, sectors, i + 1, files.Count), doneSectors, sectors);
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doneSectors += sectorsToRead;
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}
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else
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{
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sector = new byte[(uint)(sectors - doneSectors) * blockSize];
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fs.Read(sector, 0, sector.Length);
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UpdateProgress2(string.Format("Hashing block {0} of {1} on file {2} of {3}", doneSectors, sectors, i + 1, files.Count), doneSectors, sectors);
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doneSectors += (sectors - doneSectors);
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}
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fileWorker.Update(sector);
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tapeWorker.Update(sector);
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}
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tapeFile.EndBlock = (tapeFile.StartBlock + sectors) - 1;
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currentBlock += sectors;
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totalSize += fs.Length;
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tapeFile.Checksums = fileWorker.End().ToArray();
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tapeFiles.Add(tapeFile);
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EndProgress2();
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}
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sidecar.BlockMedia[0].Checksums = tapeWorker.End().ToArray();
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sidecar.BlockMedia[0].ContentChecksums = sidecar.BlockMedia[0].Checksums;
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sidecar.BlockMedia[0].Size = totalSize;
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sidecar.BlockMedia[0].LogicalBlocks = currentBlock;
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sidecar.BlockMedia[0].TapeInformation[0].EndBlock = currentBlock - 1;
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sidecar.BlockMedia[0].TapeInformation[0].Size = totalSize;
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sidecar.BlockMedia[0].TapeInformation[0].Checksums = sidecar.BlockMedia[0].Checksums;
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sidecar.BlockMedia[0].TapeInformation[0].File = tapeFiles.ToArray();
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// This is purely for convenience, as typically these kind of data represents QIC tapes
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if(blockSize == 512)
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{
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sidecar.BlockMedia[0].DiskType = "Quarter-inch cartridge";
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if(totalSize <= 20 * 1048576)
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sidecar.BlockMedia[0].DiskSubType = "QIC-11";
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else if(totalSize <= 40 * 1048576)
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sidecar.BlockMedia[0].DiskSubType = "QIC-40";
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else if(totalSize <= 60 * 1048576)
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sidecar.BlockMedia[0].DiskSubType = "QIC-24";
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else if(totalSize <= 80 * 1048576)
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sidecar.BlockMedia[0].DiskSubType = "QIC-80";
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else if(totalSize <= 120 * 1048576)
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sidecar.BlockMedia[0].DiskSubType = "QIC-120";
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else if(totalSize <= 150 * 1048576)
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sidecar.BlockMedia[0].DiskSubType = "QIC-150";
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else if(totalSize <= 320 * 1048576)
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sidecar.BlockMedia[0].DiskSubType = "QIC-320";
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else if(totalSize <= 340 * 1048576)
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sidecar.BlockMedia[0].DiskSubType = "QIC-3010";
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else if(totalSize <= 525 * 1048576)
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sidecar.BlockMedia[0].DiskSubType = "QIC-525";
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else if(totalSize <= 670 * 1048576)
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sidecar.BlockMedia[0].DiskSubType = "QIC-3020";
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else if(totalSize <= 1200 * 1048576)
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sidecar.BlockMedia[0].DiskSubType = "QIC-3080";
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else if(totalSize <= 1350 * 1048576)
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sidecar.BlockMedia[0].DiskSubType = "QIC-1350";
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else if(totalSize <= (long)4000 * 1048576)
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sidecar.BlockMedia[0].DiskSubType = "QIC-3095";
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else
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{
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sidecar.BlockMedia[0].DiskType = "Unknown tape";
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sidecar.BlockMedia[0].DiskSubType = "Unknown tape";
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}
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}
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else
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{
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sidecar.BlockMedia[0].DiskType = "Unknown tape";
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sidecar.BlockMedia[0].DiskSubType = "Unknown tape";
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}
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return sidecar;
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}
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}
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}
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