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Deduplicate creation of optical disc sidecar.

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Natalia Portillo
2019-12-31 21:27:16 +00:00
parent a8d8ff97d7
commit aa6b6ac8f7
7 changed files with 192 additions and 323 deletions
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138
DiscImageChef.Core/Devices/Dumping/Metadata.cs Normal file
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// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename : SBC.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Core algorithms.
//
// --[ Description ] ----------------------------------------------------------
//
// Dumps SCSI Block devices.
//
// --[ License ] --------------------------------------------------------------
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2019 Natalia Portillo
// ****************************************************************************/
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Xml.Serialization;
using DiscImageChef.CommonTypes;
using DiscImageChef.CommonTypes.Enums;
using DiscImageChef.CommonTypes.Interfaces;
using DiscImageChef.CommonTypes.Metadata;
using Schemas;
using MediaType = DiscImageChef.CommonTypes.MediaType;
namespace DiscImageChef.Core.Devices.Dumping
{
partial class Dump
{
/// <summary>Creates optical metadata sidecar</summary>
/// <param name="blockSize">Size of the read sector in bytes</param>
/// <param name="blocks">Total number of positive sectors</param>
/// <param name="mediaType">Disc type</param>
/// <param name="layers">Disc layers</param>
/// <param name="mediaTags">Media tags</param>
/// <param name="sessions">Disc sessions</param>
/// <param name="totalChkDuration">Total time spent doing checksums</param>
void WriteOpticalSidecar(uint blockSize, ulong blocks, MediaType mediaType, LayersType layers,
Dictionary<MediaTagType, byte[]> mediaTags, int sessions, out double totalChkDuration)
{
_dumpLog.WriteLine("Creating sidecar.");
var filters = new FiltersList();
IFilter filter = filters.GetFilter(_outputPath);
IMediaImage inputPlugin = ImageFormat.Detect(filter);
totalChkDuration = 0;
if(!inputPlugin.Open(filter))
{
StoppingErrorMessage?.Invoke("Could not open created image.");
return;
}
DateTime chkStart = DateTime.UtcNow;
// ReSharper disable once UseObjectOrCollectionInitializer
_sidecarClass = new Sidecar(inputPlugin, _outputPath, filter.Id, _encoding);
_sidecarClass.InitProgressEvent += InitProgress;
_sidecarClass.UpdateProgressEvent += UpdateProgress;
_sidecarClass.EndProgressEvent += EndProgress;
_sidecarClass.InitProgressEvent2 += InitProgress2;
_sidecarClass.UpdateProgressEvent2 += UpdateProgress2;
_sidecarClass.EndProgressEvent2 += EndProgress2;
_sidecarClass.UpdateStatusEvent += UpdateStatus;
CICMMetadataType sidecar = _sidecarClass.Create();
DateTime end = DateTime.UtcNow;
totalChkDuration = (end - chkStart).TotalMilliseconds;
_dumpLog.WriteLine("Sidecar created in {0} seconds.", (end - chkStart).TotalSeconds);
_dumpLog.WriteLine("Average checksum speed {0:F3} KiB/sec.",
((double)blockSize * (double)(blocks + 1)) / 1024 / (totalChkDuration / 1000));
if(_preSidecar != null)
{
_preSidecar.OpticalDisc = sidecar.OpticalDisc;
sidecar = _preSidecar;
}
List<(ulong start, string type)> filesystems = new List<(ulong start, string type)>();
if(sidecar.OpticalDisc[0].Track != null)
filesystems.AddRange(from xmlTrack in sidecar.OpticalDisc[0].Track
where xmlTrack.FileSystemInformation != null
from partition in xmlTrack.FileSystemInformation
where partition.FileSystems != null from fileSystem in partition.FileSystems
select (partition.StartSector, fileSystem.Type));
if(filesystems.Count > 0)
foreach(var filesystem in filesystems.Select(o => new
{
o.start, o.type
}).Distinct())
_dumpLog.WriteLine("Found filesystem {0} at sector {1}", filesystem.type, filesystem.start);
sidecar.OpticalDisc[0].Dimensions = Dimensions.DimensionsFromMediaType(mediaType);
(string type, string subType) discType = CommonTypes.Metadata.MediaType.MediaTypeToString(mediaType);
sidecar.OpticalDisc[0].DiscType = discType.type;
sidecar.OpticalDisc[0].DiscSubType = discType.subType;
sidecar.OpticalDisc[0].DumpHardwareArray = _resume.Tries.ToArray();
sidecar.OpticalDisc[0].Sessions = (uint)sessions;
sidecar.OpticalDisc[0].Layers = layers;
if(mediaTags != null)
foreach(KeyValuePair<MediaTagType, byte[]> tag in mediaTags.Where(tag => _outputPlugin.
SupportedMediaTags.
Contains(tag.Key)))
AddMediaTagToSidecar(_outputPath, tag, ref sidecar);
UpdateStatus?.Invoke("Writing metadata sidecar");
var xmlFs = new FileStream(_outputPrefix + ".cicm.xml", FileMode.Create);
var xmlSer = new XmlSerializer(typeof(CICMMetadataType));
xmlSer.Serialize(xmlFs, sidecar);
xmlFs.Close();
}
}
}