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Create sidecar of ITapeImages.

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This commit is contained in:
Natalia Portillo
2019-05-02 18:50:16 +01:00
parent 71122d1e2a
commit b78d891a06
4 changed files with 166 additions and 0 deletions
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158
DiscImageChef.Core/Sidecar/BlockMedia.cs
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@@ -39,6 +39,7 @@ using DiscImageChef.CommonTypes;
using DiscImageChef.CommonTypes.Enums;
using DiscImageChef.CommonTypes.Interfaces;
using DiscImageChef.CommonTypes.Metadata;
using DiscImageChef.CommonTypes.Structs;
using DiscImageChef.Console;
using DiscImageChef.Decoders.ATA;
using DiscImageChef.Decoders.PCMCIA;
@@ -353,6 +354,163 @@ namespace DiscImageChef.Core
// TODO: Detect it
sidecar.BlockMedia[0].PhysicalBlockSize = image.Info.SectorSize;
if(image is ITapeImage tapeImage && tapeImage.IsTape)
{
List<TapePartitionType> tapePartitions = new List<TapePartitionType>();
foreach(TapePartition tapePartition in tapeImage.TapePartitions)
{
TapePartitionType thisPartition = new TapePartitionType
{
Image = sidecar.BlockMedia[0].Image,
Sequence = tapePartition.Number,
StartBlock = tapePartition.FirstBlock,
EndBlock = tapePartition.LastBlock
};
if(tapeImage.TapePartitions.Count == 1)
thisPartition.Checksums = sidecar.BlockMedia[0].ContentChecksums;
else
{
UpdateStatus($"Hashing partition {tapePartition.Number}...");
if(aborted) return;
Checksum tapePartitionChk = new Checksum();
// For fast debugging, skip checksum
//goto skipImageChecksum;
uint sectorsToRead = 512;
ulong sectors = tapePartition.LastBlock - tapePartition.FirstBlock + 1;
ulong doneSectors = 0;
InitProgress2();
while(doneSectors < sectors)
{
if(aborted)
{
EndProgress2();
return;
}
byte[] sector;
if(sectors - doneSectors >= sectorsToRead)
{
sector = image.ReadSectors(tapePartition.FirstBlock + doneSectors, sectorsToRead);
UpdateProgress2("Hashing blocks {0} of {1}", (long)doneSectors, (long)sectors);
doneSectors += sectorsToRead;
}
else
{
sector = image.ReadSectors(tapePartition.FirstBlock + doneSectors,
(uint)(sectors - doneSectors));
UpdateProgress2("Hashing blocks {0} of {1}", (long)doneSectors, (long)sectors);
doneSectors += sectors - doneSectors;
}
thisPartition.Size += (ulong)sector.LongLength;
tapePartitionChk.Update(sector);
}
// For fast debugging, skip checksum
//skipImageChecksum:
List<ChecksumType> partitionChecksums = tapePartitionChk.End();
thisPartition.Checksums = partitionChecksums.ToArray();
EndProgress2();
}
List<TapeFileType> filesInPartition = new List<TapeFileType>();
foreach(TapeFile tapeFile in tapeImage.Files.Where(f => f.Partition == tapePartition.Number))
{
TapeFileType thisFile = new TapeFileType
{
Sequence = tapeFile.File,
StartBlock = tapeFile.FirstBlock,
EndBlock = tapeFile.LastBlock,
Image = sidecar.BlockMedia[0].Image,
Size = 0,
BlockSize = 0
};
if(tapeImage.Files.Count(f => f.Partition == tapePartition.Number) == 1)
{
thisFile.Checksums = thisPartition.Checksums;
thisFile.Size = thisPartition.Size;
}
else
{
UpdateStatus($"Hashing file {tapeFile.File}...");
if(aborted) return;
Checksum tapeFileChk = new Checksum();
// For fast debugging, skip checksum
//goto skipImageChecksum;
uint sectorsToRead = 512;
ulong sectors = tapeFile.LastBlock - tapeFile.FirstBlock + 1;
ulong doneSectors = 0;
InitProgress2();
while(doneSectors < sectors)
{
if(aborted)
{
EndProgress2();
return;
}
byte[] sector;
if(sectors - doneSectors >= sectorsToRead)
{
sector = image.ReadSectors(tapePartition.FirstBlock + doneSectors, sectorsToRead);
UpdateProgress2("Hashing blocks {0} of {1}", (long)doneSectors, (long)sectors);
doneSectors += sectorsToRead;
}
else
{
sector = image.ReadSectors(tapePartition.FirstBlock + doneSectors,
(uint)(sectors - doneSectors));
UpdateProgress2("Hashing blocks {0} of {1}", (long)doneSectors, (long)sectors);
doneSectors += sectors - doneSectors;
}
if((ulong)sector.LongLength > thisFile.BlockSize)
thisFile.BlockSize = (ulong)sector.LongLength;
thisFile.Size += (ulong)sector.LongLength;
tapeFileChk.Update(sector);
}
// For fast debugging, skip checksum
//skipImageChecksum:
List<ChecksumType> fileChecksums = tapeFileChk.End();
thisFile.Checksums = fileChecksums.ToArray();
EndProgress2();
}
filesInPartition.Add(thisFile);
}
thisPartition.File = filesInPartition.ToArray();
tapePartitions.Add(thisPartition);
}
sidecar.BlockMedia[0].TapeInformation = tapePartitions.ToArray();
}
UpdateStatus("Checking filesystems...");
if(aborted) return;