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Added preliminary support for DiscFerret disk image format (only sidecar creation)

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This commit is contained in:
Natalia Portillo
2017-12-05 00:07:36 +00:00
parent 824ac802b3
commit fc900d816d
4 changed files with 508 additions and 0 deletions
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76
DiscImageChef.Core/Sidecar/BlockMedia.cs
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@@ -713,6 +713,82 @@ namespace DiscImageChef.Core
}
#endregion
#region DiscFerret
string dfiFilePath = Path.Combine(Path.GetDirectoryName(imagePath),
Path.GetFileNameWithoutExtension(imagePath) + ".dfi");
if(File.Exists(dfiFilePath))
{
ImagePlugins.DiscFerret dfiImage = new DiscFerret();
Filters.ZZZNoFilter dfiFilter = new ZZZNoFilter();
dfiFilter.Open(dfiFilePath);
if(dfiImage.IdentifyImage(dfiFilter))
{
try
{
dfiImage.OpenImage(dfiFilter);
}
catch(NotImplementedException)
{
}
if(image.ImageInfo.heads == dfiImage.ImageInfo.heads)
{
if(dfiImage.ImageInfo.cylinders >= image.ImageInfo.cylinders)
{
List<BlockTrackType> dfiBlockTrackTypes = new List<BlockTrackType>();
long currentSector = 0;
Stream dfiStream = dfiFilter.GetDataForkStream();
foreach(int t in dfiImage.trackOffsets.Keys)
{
BlockTrackType dfiBlockTrackType = new BlockTrackType();
dfiBlockTrackType.Cylinder = t / image.ImageInfo.heads;
dfiBlockTrackType.Head = t % image.ImageInfo.heads;
dfiBlockTrackType.Image = new ImageType();
dfiBlockTrackType.Image.format = dfiImage.GetImageFormat();
dfiBlockTrackType.Image.Value = Path.GetFileName(dfiFilePath);
if(dfiBlockTrackType.Cylinder < image.ImageInfo.cylinders)
{
dfiBlockTrackType.StartSector = currentSector;
currentSector += image.ImageInfo.sectorsPerTrack;
dfiBlockTrackType.EndSector = currentSector - 1;
dfiBlockTrackType.Sectors = image.ImageInfo.sectorsPerTrack;
dfiBlockTrackType.BytesPerSector = (int)image.ImageInfo.sectorSize;
dfiBlockTrackType.Format = trkFormat;
}
if(dfiImage.trackOffsets.TryGetValue(t, out long offset) && dfiImage.trackLengths.TryGetValue(t, out long length))
{
dfiBlockTrackType.Image.offset = offset;
byte[] trackContents = new byte[length];
dfiStream.Position = offset;
dfiStream.Read(trackContents, 0, trackContents.Length);
dfiBlockTrackType.Size = trackContents.Length;
dfiBlockTrackType.Checksums = Checksum.GetChecksums(trackContents).ToArray();
}
dfiBlockTrackTypes.Add(dfiBlockTrackType);
}
sidecar.BlockMedia[0].Track =
dfiBlockTrackTypes.OrderBy(t => t.Cylinder).ThenBy(t => t.Head).ToArray();
}
else
DicConsole.ErrorWriteLine(
"DiscFerret image do not contain same number of tracks ({0}) than disk image ({1}), ignoring...",
dfiImage.ImageInfo.cylinders, image.ImageInfo.cylinders);
}
else
DicConsole.ErrorWriteLine(
"DiscFerret image do not contain same number of heads ({0}) than disk image ({1}), ignoring...",
dfiImage.ImageInfo.heads, image.ImageInfo.heads);
}
}
#endregion
// TODO: Implement support for getting CHS from SCSI mode pages
}
}