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Refactor IOpticalMediaImage.ReadSector(s)Long to return error status instead of buffer.

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This commit is contained in:
Natalia Portillo
2021-09-21 02:59:54 +01:00
parent a8ae3c73b1
commit bc8382e495
30 changed files with 275 additions and 327 deletions
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2
.idea/.idea.Aaru/.idea/vcs.xml generated
View File

@@ -9,12 +9,12 @@
<mapping directory="$PROJECT_DIR$" vcs="Git" />
<mapping directory="$PROJECT_DIR$/Aaru.Checksums" vcs="Git" />
<mapping directory="$PROJECT_DIR$/Aaru.CommonTypes" vcs="Git" />
<mapping directory="$PROJECT_DIR$/Aaru.Compression/cuetools.net" vcs="Git" />
<mapping directory="$PROJECT_DIR$/Aaru.Console" vcs="Git" />
<mapping directory="$PROJECT_DIR$/Aaru.Decoders" vcs="Git" />
<mapping directory="$PROJECT_DIR$/Aaru.Decryption" vcs="Git" />
<mapping directory="$PROJECT_DIR$/Aaru.Dto" vcs="Git" />
<mapping directory="$PROJECT_DIR$/Aaru.Helpers" vcs="Git" />
<mapping directory="$PROJECT_DIR$/CICMMetadata" vcs="Git" />
<mapping directory="$PROJECT_DIR$/cuetools.net" vcs="Git" />
</component>
</project>

2
Aaru.CommonTypes

Submodule Aaru.CommonTypes updated: 0fc3e1ef94...cc5779c1ff

4
Aaru.Core/Sidecar/BlockMedia.cs
View File

@@ -417,7 +417,7 @@ namespace Aaru.Core
if(errno != ErrorNumber.NoError)
{
AaruConsole.ErrorWriteLine($"Error {errno} reading sector {doneSectors}");
UpdateStatus($"Error {errno} reading sector {doneSectors}");
EndProgress2();
return;
@@ -432,7 +432,7 @@ namespace Aaru.Core
if(errno != ErrorNumber.NoError)
{
AaruConsole.ErrorWriteLine($"Error {errno} reading sector {doneSectors}");
UpdateStatus($"Error {errno} reading sector {doneSectors}");
EndProgress2();
return;

30
Aaru.Core/Sidecar/OpticalDisc.cs
View File

@@ -100,7 +100,8 @@ namespace Aaru.Core
sidecar.OpticalDisc[0].Sequence.TotalMedia = 1;
}
MediaType dskType = image.Info.MediaType;
MediaType dskType = image.Info.MediaType;
ErrorNumber errno;
UpdateStatus("Hashing media tags...");
@@ -109,7 +110,7 @@ namespace Aaru.Core
if(_aborted)
return;
ErrorNumber errno = image.ReadMediaTag(tagType, out byte[] tag);
errno = image.ReadMediaTag(tagType, out byte[] tag);
if(errno != ErrorNumber.NoError)
continue;
@@ -446,21 +447,38 @@ namespace Aaru.Core
if(sectors - doneSectors >= sectorsToRead)
{
sector = image.ReadSectorsLong(doneSectors, sectorsToRead, xmlTrk.Sequence.TrackNumber);
errno = image.ReadSectorsLong(doneSectors, sectorsToRead, xmlTrk.Sequence.TrackNumber,
out sector);
UpdateProgress2("Hashing sector {0} of {1}", (long)doneSectors,
(long)(trk.EndSector - trk.StartSector + 1));
if(errno != ErrorNumber.NoError)
{
UpdateStatus($"Error {errno} reading sector {doneSectors}");
EndProgress2();
return;
}
doneSectors += sectorsToRead;
}
else
{
sector = image.ReadSectorsLong(doneSectors, (uint)(sectors - doneSectors),
xmlTrk.Sequence.TrackNumber);
errno = image.ReadSectorsLong(doneSectors, (uint)(sectors - doneSectors),
xmlTrk.Sequence.TrackNumber, out sector);
UpdateProgress2("Hashing sector {0} of {1}", (long)doneSectors,
(long)(trk.EndSector - trk.StartSector + 1));
if(errno != ErrorNumber.NoError)
{
UpdateStatus($"Error {errno} reading sector {doneSectors}");
EndProgress2();
return;
}
doneSectors += sectors - doneSectors;
}
@@ -705,7 +723,7 @@ namespace Aaru.Core
xmlTrk.FileSystemInformation[0].FileSystems = lstFs.ToArray();
}
ErrorNumber errno = image.ReadSectorTag(trk.Sequence, SectorTagType.CdTrackIsrc, out byte[] isrcData);
errno = image.ReadSectorTag(trk.Sequence, SectorTagType.CdTrackIsrc, out byte[] isrcData);
if(errno == ErrorNumber.NoError)
xmlTrk.ISRC = Encoding.UTF8.GetString(isrcData);

35
Aaru.Images/AaruFormat/Read.cs
View File

@@ -2197,19 +2197,17 @@ namespace Aaru.DiscImages
}
/// <inheritdoc />
public byte[] ReadSectorLong(ulong sectorAddress, uint track)
public ErrorNumber ReadSectorLong(ulong sectorAddress, uint track, out byte[] buffer)
{
buffer = null;
if(_imageInfo.XmlMediaType != XmlMediaType.OpticalDisc)
throw new FeatureNotPresentImageException("Feature not present in image");
return ErrorNumber.NotSupported;
Track trk = Tracks.FirstOrDefault(t => t.Sequence == track);
if(trk?.Sequence != track)
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
ErrorNumber errno = ReadSectorLong(trk.StartSector + sectorAddress, out byte[] buffer);
return errno != ErrorNumber.NoError ? null : buffer;
return trk?.Sequence != track ? ErrorNumber.SectorNotFound
: ReadSectorLong(trk.StartSector + sectorAddress, out buffer);
}
/// <inheritdoc />
@@ -2391,23 +2389,20 @@ namespace Aaru.DiscImages
}
/// <inheritdoc />
public byte[] ReadSectorsLong(ulong sectorAddress, uint length, uint track)
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, uint track, out byte[] buffer)
{
buffer = null;
if(_imageInfo.XmlMediaType != XmlMediaType.OpticalDisc)
throw new FeatureNotPresentImageException("Feature not present in image");
return ErrorNumber.NotSupported;
Track trk = Tracks.FirstOrDefault(t => t.Sequence == track);
if(trk?.Sequence != track)
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
if(trk.StartSector + sectorAddress + length > trk.EndSector + 1)
throw new ArgumentOutOfRangeException(nameof(length),
$"Requested more sectors ({length + sectorAddress}) than present in track ({trk.EndSector - trk.StartSector + 1}), won't cross tracks");
ErrorNumber errno = ReadSectorsLong(trk.StartSector + sectorAddress, length, out byte[] buffer);
return errno == ErrorNumber.NoError ? buffer : null;
return trk?.Sequence != track
? ErrorNumber.SectorNotFound
: trk.StartSector + sectorAddress + length > trk.EndSector + 1
? ErrorNumber.OutOfRange
: ReadSectorsLong(trk.StartSector + sectorAddress, length, out buffer);
}
/// <inheritdoc />

11
Aaru.Images/AaruFormat/Verify.cs
View File

@@ -283,12 +283,17 @@ namespace Aaru.DiscImages
return null;
}
byte[] buffer = ReadSectorsLong(sectorAddress, length, track);
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
failingLbas = new List<ulong>();
unknownLbas = new List<ulong>();
ErrorNumber errno = ReadSectorsLong(sectorAddress, length, track, out byte[] buffer);
if(errno != ErrorNumber.NoError)
return null;
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
for(int i = 0; i < length; i++)
{
Array.Copy(buffer, i * bps, sector, 0, bps);

24
Aaru.Images/Alcohol120/Read.cs
View File

@@ -1384,7 +1384,8 @@ namespace Aaru.DiscImages
ReadSectorsLong(sectorAddress, 1, out buffer);
/// <inheritdoc />
public byte[] ReadSectorLong(ulong sectorAddress, uint track) => ReadSectorsLong(sectorAddress, 1, track);
public ErrorNumber ReadSectorLong(ulong sectorAddress, uint track, out byte[] buffer) =>
ReadSectorsLong(sectorAddress, 1, track, out buffer);
/// <inheritdoc />
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, out byte[] buffer)
@@ -1402,24 +1403,23 @@ namespace Aaru.DiscImages
if(sectorAddress - kvp.Value >= alcExtra.sectors + alcExtra.pregap)
continue;
buffer = ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key);
return buffer == null ? ErrorNumber.NoData : ErrorNumber.NoError;
return ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key, out buffer);
}
return ErrorNumber.SectorNotFound;
}
/// <inheritdoc />
public byte[] ReadSectorsLong(ulong sectorAddress, uint length, uint track)
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, uint track, out byte[] buffer)
{
buffer = null;
if(!_alcTracks.TryGetValue((int)track, out Track alcTrack) ||
!_alcTrackExtras.TryGetValue((int)track, out TrackExtra alcExtra))
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
return ErrorNumber.SectorNotFound;
if(length + sectorAddress > alcExtra.sectors + alcExtra.pregap)
throw new ArgumentOutOfRangeException(nameof(length),
$"Requested more sectors ({length}) than present in track ({alcExtra.sectors + alcExtra.pregap}), won't cross tracks");
return ErrorNumber.OutOfRange;
uint sectorOffset;
uint sectorSize;
@@ -1445,19 +1445,19 @@ namespace Aaru.DiscImages
break;
}
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
default: return ErrorNumber.NotSupported;
}
if(alcTrack.subMode == SubchannelMode.Interleaved)
sectorSkip = 96;
byte[] buffer = new byte[sectorSize * length];
buffer = new byte[sectorSize * length];
if(alcTrack.point == 1 &&
alcExtra.pregap > 150)
{
if(sectorAddress + 150 < alcExtra.pregap)
return buffer;
return ErrorNumber.NoError;
sectorAddress -= alcExtra.pregap - 150;
}
@@ -1487,7 +1487,7 @@ namespace Aaru.DiscImages
Array.Copy(sector, 0, buffer, i * sectorSize, sectorSize);
}
return buffer;
return ErrorNumber.NoError;
}
/// <inheritdoc />

10
Aaru.Images/Alcohol120/Verify.cs
View File

@@ -89,11 +89,15 @@ namespace Aaru.DiscImages
public bool? VerifySectors(ulong sectorAddress, uint length, uint track, out List<ulong> failingLbas,
out List<ulong> unknownLbas)
{
byte[] buffer = ReadSectorsLong(sectorAddress, length, track);
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
failingLbas = new List<ulong>();
unknownLbas = new List<ulong>();
ErrorNumber errno = ReadSectorsLong(sectorAddress, length, track, out byte[] buffer);
if(errno != ErrorNumber.NoError)
return null;
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
for(int i = 0; i < length; i++)
{

35
Aaru.Images/BlindWrite4/Read.cs
View File

@@ -1182,7 +1182,8 @@ namespace Aaru.DiscImages
ReadSectorsLong(sectorAddress, 1, out buffer);
/// <inheritdoc />
public byte[] ReadSectorLong(ulong sectorAddress, uint track) => ReadSectorsLong(sectorAddress, 1, track);
public ErrorNumber ReadSectorLong(ulong sectorAddress, uint track, out byte[] buffer) =>
ReadSectorsLong(sectorAddress, 1, track, out buffer);
/// <inheritdoc />
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, out byte[] buffer)
@@ -1193,36 +1194,22 @@ namespace Aaru.DiscImages
from track in Tracks where track.Sequence == kvp.Key
where sectorAddress - kvp.Value <
track.EndSector - track.StartSector + 1 select kvp)
{
buffer = ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key);
return buffer is null ? ErrorNumber.SectorNotFound : ErrorNumber.NoError;
}
return ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key, out buffer);
return ErrorNumber.SectorNotFound;
}
/// <inheritdoc />
public byte[] ReadSectorsLong(ulong sectorAddress, uint length, uint track)
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, uint track, out byte[] buffer)
{
var aaruTrack = new Track
{
Sequence = 0
};
foreach(Track bwTrack in Tracks.Where(bwTrack => bwTrack.Sequence == track))
{
aaruTrack = bwTrack;
break;
}
buffer = null;
Track? aaruTrack = Tracks.FirstOrDefault(bwTrack => bwTrack.Sequence == track);
if(aaruTrack is null)
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
return ErrorNumber.SectorNotFound;
if(length + sectorAddress > aaruTrack.EndSector - aaruTrack.StartSector + 1)
throw new ArgumentOutOfRangeException(nameof(length),
$"Requested more sectors ({length + sectorAddress}) than present in track ({aaruTrack.EndSector - aaruTrack.StartSector + 1}), won't cross tracks");
return ErrorNumber.OutOfRange;
uint sectorOffset;
uint sectorSize;
@@ -1241,7 +1228,7 @@ namespace Aaru.DiscImages
break;
}
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
default: return ErrorNumber.NotSupported;
}
_imageStream = aaruTrack.Filter.GetDataForkStream();
@@ -1251,9 +1238,9 @@ namespace Aaru.DiscImages
Seek((long)aaruTrack.FileOffset + (long)(sectorAddress * (sectorOffset + sectorSize + sectorSkip)),
SeekOrigin.Begin);
byte[] buffer = br.ReadBytes((int)(sectorSize * length));
buffer = br.ReadBytes((int)(sectorSize * length));
return buffer;
return ErrorNumber.NoError;
}
/// <inheritdoc />

10
Aaru.Images/BlindWrite4/Verify.cs
View File

@@ -89,11 +89,15 @@ namespace Aaru.DiscImages
public bool? VerifySectors(ulong sectorAddress, uint length, uint track, out List<ulong> failingLbas,
out List<ulong> unknownLbas)
{
byte[] buffer = ReadSectorsLong(sectorAddress, length, track);
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
failingLbas = new List<ulong>();
unknownLbas = new List<ulong>();
ErrorNumber errno = ReadSectorsLong(sectorAddress, length, track, out byte[] buffer);
if(errno != ErrorNumber.NoError)
return null;
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
for(int i = 0; i < length; i++)
{

40
Aaru.Images/BlindWrite5/Read.cs
View File

@@ -2102,7 +2102,8 @@ namespace Aaru.DiscImages
ReadSectorsLong(sectorAddress, 1, out buffer);
/// <inheritdoc />
public byte[] ReadSectorLong(ulong sectorAddress, uint track) => ReadSectorsLong(sectorAddress, 1, track);
public ErrorNumber ReadSectorLong(ulong sectorAddress, uint track, out byte[] buffer) =>
ReadSectorsLong(sectorAddress, 1, track, out buffer);
/// <inheritdoc />
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, out byte[] buffer)
@@ -2113,37 +2114,24 @@ namespace Aaru.DiscImages
from track in Tracks where track.Sequence == kvp.Key
where sectorAddress - kvp.Value <
track.EndSector - track.StartSector + 1 select kvp)
{
buffer = ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key);
return buffer is null ? ErrorNumber.SectorNotFound : ErrorNumber.NoError;
}
return ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key, out buffer);
return ErrorNumber.SectorNotFound;
}
/// <inheritdoc />
public byte[] ReadSectorsLong(ulong sectorAddress, uint length, uint track)
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, uint track, out byte[] buffer)
{
buffer = null;
// TODO: Cross data files
var aaruTrack = new Track
{
Sequence = 0
};
foreach(Track bwTrack in Tracks.Where(bwTrack => bwTrack.Sequence == track))
{
aaruTrack = bwTrack;
break;
}
Track? aaruTrack = Tracks.FirstOrDefault(bwTrack => bwTrack.Sequence == track);
if(aaruTrack is null)
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
return ErrorNumber.SectorNotFound;
if(length + sectorAddress > aaruTrack.EndSector - aaruTrack.StartSector + 1)
throw new ArgumentOutOfRangeException(nameof(length),
$"Requested more sectors ({length + sectorAddress}) than present in track ({aaruTrack.EndSector - aaruTrack.StartSector + 1}), won't cross tracks");
return ErrorNumber.OutOfRange;
DataFileCharacteristics chars = (from characteristics in _filePaths let firstSector =
characteristics.StartLba let lastSector =
@@ -2154,7 +2142,7 @@ namespace Aaru.DiscImages
if(string.IsNullOrEmpty(chars.FilePath) ||
chars.FileFilter == null)
throw new ArgumentOutOfRangeException(nameof(chars.FileFilter), "Track does not exist in disc image");
return ErrorNumber.SectorNotFound;
uint sectorOffset;
uint sectorSize;
@@ -2182,7 +2170,7 @@ namespace Aaru.DiscImages
break;
}
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
default: return ErrorNumber.NotSupported;
}
switch(chars.Subchannel)
@@ -2199,10 +2187,10 @@ namespace Aaru.DiscImages
sectorSkip += 96;
break;
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported subchannel type");
default: return ErrorNumber.NotSupported;
}
byte[] buffer = new byte[sectorSize * length];
buffer = new byte[sectorSize * length];
_imageStream = aaruTrack.Filter.GetDataForkStream();
var br = new BinaryReader(_imageStream);
@@ -2223,7 +2211,7 @@ namespace Aaru.DiscImages
Array.Copy(sector, 0, buffer, i * sectorSize, sectorSize);
}
return buffer;
return ErrorNumber.NoError;
}
/// <inheritdoc />

10
Aaru.Images/BlindWrite5/Verify.cs
View File

@@ -89,11 +89,15 @@ namespace Aaru.DiscImages
public bool? VerifySectors(ulong sectorAddress, uint length, uint track, out List<ulong> failingLbas,
out List<ulong> unknownLbas)
{
byte[] buffer = ReadSectorsLong(sectorAddress, length, track);
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
failingLbas = new List<ulong>();
unknownLbas = new List<ulong>();
ErrorNumber errno = ReadSectorsLong(sectorAddress, length, track, out byte[] buffer);
if(errno != ErrorNumber.NoError)
return null;
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
for(int i = 0; i < length; i++)
{

24
Aaru.Images/CDRDAO/Read.cs
View File

@@ -1309,7 +1309,8 @@ namespace Aaru.DiscImages
ReadSectorsLong(sectorAddress, 1, out buffer);
/// <inheritdoc />
public byte[] ReadSectorLong(ulong sectorAddress, uint track) => ReadSectorsLong(sectorAddress, 1, track);
public ErrorNumber ReadSectorLong(ulong sectorAddress, uint track, out byte[] buffer) =>
ReadSectorsLong(sectorAddress, 1, track, out buffer);
/// <inheritdoc />
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, out byte[] buffer)
@@ -1320,18 +1321,16 @@ namespace Aaru.DiscImages
from cdrdaoTrack in _discimage.Tracks
where cdrdaoTrack.Sequence == kvp.Key
where sectorAddress - kvp.Value < cdrdaoTrack.Sectors select kvp)
{
buffer = ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key);
return buffer is null ? ErrorNumber.SectorNotFound : ErrorNumber.NoError;
}
return ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key, out buffer);
return ErrorNumber.SectorNotFound;
}
/// <inheritdoc />
public byte[] ReadSectorsLong(ulong sectorAddress, uint length, uint track)
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, uint track, out byte[] buffer)
{
buffer = null;
var aaruTrack = new CdrdaoTrack
{
Sequence = 0
@@ -1345,11 +1344,10 @@ namespace Aaru.DiscImages
}
if(aaruTrack.Sequence == 0)
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
return ErrorNumber.SectorNotFound;
if(length > aaruTrack.Sectors)
throw new ArgumentOutOfRangeException(nameof(length),
"Requested more sectors than present in track, won't cross tracks");
return ErrorNumber.OutOfRange;
uint sectorOffset;
uint sectorSize;
@@ -1393,13 +1391,13 @@ namespace Aaru.DiscImages
break;
}
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
default: return ErrorNumber.NotSupported;
}
if(aaruTrack.Subchannel)
sectorSkip += 96;
byte[] buffer = new byte[sectorSize * length];
buffer = new byte[sectorSize * length];
_imageStream = aaruTrack.Trackfile.Datafilter.GetDataForkStream();
var br = new BinaryReader(_imageStream);
@@ -1517,7 +1515,7 @@ namespace Aaru.DiscImages
}
}
return buffer;
return ErrorNumber.NoError;
}
/// <inheritdoc />

10
Aaru.Images/CDRDAO/Verify.cs
View File

@@ -89,11 +89,15 @@ namespace Aaru.DiscImages
public bool? VerifySectors(ulong sectorAddress, uint length, uint track, out List<ulong> failingLbas,
out List<ulong> unknownLbas)
{
byte[] buffer = ReadSectorsLong(sectorAddress, length, track);
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
failingLbas = new List<ulong>();
unknownLbas = new List<ulong>();
ErrorNumber errno = ReadSectorsLong(sectorAddress, length, track, out byte[] buffer);
if(errno != ErrorNumber.NoError)
return null;
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
for(int i = 0; i < length; i++)
{

50
Aaru.Images/CDRWin/Read.cs
View File

@@ -2042,7 +2042,8 @@ namespace Aaru.DiscImages
ReadSectorsLong(sectorAddress, 1, out buffer);
/// <inheritdoc />
public byte[] ReadSectorLong(ulong sectorAddress, uint track) => ReadSectorsLong(sectorAddress, 1, track);
public ErrorNumber ReadSectorLong(ulong sectorAddress, uint track, out byte[] buffer) =>
ReadSectorsLong(sectorAddress, 1, track, out buffer);
/// <inheritdoc />
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, out byte[] buffer)
@@ -2053,43 +2054,26 @@ namespace Aaru.DiscImages
from cdrwinTrack in _discImage.Tracks
where cdrwinTrack.Sequence == kvp.Key
where sectorAddress - kvp.Value < cdrwinTrack.Sectors select kvp)
{
buffer = ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key);
return buffer is null ? ErrorNumber.SectorNotFound : ErrorNumber.NoError;
}
return ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key, out buffer);
return ErrorNumber.SectorNotFound;
}
/// <inheritdoc />
public byte[] ReadSectorsLong(ulong sectorAddress, uint length, uint track)
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, uint track, out byte[] buffer)
{
buffer = null;
if(!_isCd)
{
ErrorNumber errno = ReadSectors(sectorAddress, length, track, out byte[] nonCdBuffer);
return ReadSectors(sectorAddress, length, track, out buffer);
return errno != ErrorNumber.NoError ? null : nonCdBuffer;
}
CdrWinTrack? aaruTrack = _discImage.Tracks.FirstOrDefault(cdrwinTrack => cdrwinTrack.Sequence == track);
var aaruTrack = new CdrWinTrack
{
Sequence = 0
};
foreach(CdrWinTrack cdrwinTrack in _discImage.Tracks.Where(cdrwinTrack => cdrwinTrack.Sequence == track))
{
aaruTrack = cdrwinTrack;
break;
}
if(aaruTrack.Sequence == 0)
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
if(aaruTrack is null)
return ErrorNumber.SectorNotFound;
if(length > aaruTrack.Sectors)
throw new ArgumentOutOfRangeException(nameof(length),
"Requested more sectors than present in track, won't cross tracks");
return ErrorNumber.OutOfRange;
uint sectorOffset;
uint sectorSize;
@@ -2142,10 +2126,10 @@ namespace Aaru.DiscImages
break;
}
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
default: return ErrorNumber.NotSupported;
}
byte[] buffer = new byte[sectorSize * length];
buffer = new byte[sectorSize * length];
// If it's the lost pregap
if(track == 1 &&
@@ -2155,7 +2139,7 @@ namespace Aaru.DiscImages
{
// If we need to mix lost with present data
if(sectorAddress + length <= _lostPregap)
return buffer;
return ErrorNumber.NoError;
ulong pregapPos = _lostPregap - sectorAddress;
@@ -2163,11 +2147,11 @@ namespace Aaru.DiscImages
ReadSectors(_lostPregap, (uint)(length - pregapPos), track, out byte[] presentData);
if(errno != ErrorNumber.NoError)
return null;
return errno;
Array.Copy(presentData, 0, buffer, (long)(pregapPos * sectorSize), presentData.Length);
return buffer;
return ErrorNumber.NoError;
}
sectorAddress -= _lostPregap;
@@ -2273,7 +2257,7 @@ namespace Aaru.DiscImages
}
}
return buffer;
return ErrorNumber.NoError;
}
/// <inheritdoc />

9
Aaru.Images/CDRWin/Verify.cs
View File

@@ -197,11 +197,14 @@ namespace Aaru.DiscImages
public bool? VerifySectors(ulong sectorAddress, uint length, uint track, out List<ulong> failingLbas,
out List<ulong> unknownLbas)
{
byte[] buffer = ReadSectorsLong(sectorAddress, length, track);
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
failingLbas = new List<ulong>();
unknownLbas = new List<ulong>();
var errno = ReadSectorsLong(sectorAddress, length, track, out byte[] buffer);
if(errno != ErrorNumber.NoError)
return null;
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
for(int i = 0; i < length; i++)
{

18
Aaru.Images/CHD/Read.cs
View File

@@ -1978,23 +1978,21 @@ namespace Aaru.DiscImages
}
/// <inheritdoc />
public byte[] ReadSectorLong(ulong sectorAddress, uint track)
public ErrorNumber ReadSectorLong(ulong sectorAddress, uint track, out byte[] buffer)
{
if(_isHdd)
throw new FeaturedNotSupportedByDiscImageException("Cannot access optical tracks on a hard disk image");
buffer = null;
ErrorNumber errno = ReadSectorLong(GetAbsoluteSector(sectorAddress, track), out byte[] buffer);
return errno == ErrorNumber.NoError ? buffer : null;
return _isHdd ? ErrorNumber.NotSupported
: ReadSectorLong(GetAbsoluteSector(sectorAddress, track), out buffer);
}
/// <inheritdoc />
public byte[] ReadSectorsLong(ulong sectorAddress, uint length, uint track)
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, uint track, out byte[] buffer)
{
if(_isHdd)
throw new FeaturedNotSupportedByDiscImageException("Cannot access optical tracks on a hard disk image");
buffer = null;
return ReadSectorLong(GetAbsoluteSector(sectorAddress, track), length);
return _isHdd ? ErrorNumber.NotSupported
: ReadSectorLong(GetAbsoluteSector(sectorAddress, track), length, out buffer);
}
}
}

6
Aaru.Images/CHD/Verify.cs
View File

@@ -103,7 +103,11 @@ namespace Aaru.DiscImages
if(_isHdd)
return null;
byte[] buffer = ReadSectorsLong(sectorAddress, length, track);
ErrorNumber errno = ReadSectorsLong(sectorAddress, length, track, out byte[] buffer);
if(errno != ErrorNumber.NoError)
return null;
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];

33
Aaru.Images/CloneCD/Read.cs
View File

@@ -1347,7 +1347,8 @@ namespace Aaru.DiscImages
ReadSectorsLong(sectorAddress, 1, out buffer);
/// <inheritdoc />
public byte[] ReadSectorLong(ulong sectorAddress, uint track) => ReadSectorsLong(sectorAddress, 1, track);
public ErrorNumber ReadSectorLong(ulong sectorAddress, uint track, out byte[] buffer) =>
ReadSectorsLong(sectorAddress, 1, track, out buffer);
/// <inheritdoc />
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, out byte[] buffer)
@@ -1358,43 +1359,29 @@ namespace Aaru.DiscImages
from track in Tracks where track.Sequence == kvp.Key
where sectorAddress - kvp.Value <
track.EndSector - track.StartSector + 1 select kvp)
{
buffer = ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key);
return buffer is null ? ErrorNumber.NoData : ErrorNumber.NoError;
}
return ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key, out buffer);
return ErrorNumber.SectorNotFound;
}
/// <inheritdoc />
public byte[] ReadSectorsLong(ulong sectorAddress, uint length, uint track)
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, uint track, out byte[] buffer)
{
var aaruTrack = new Track
{
Sequence = 0
};
foreach(Track linqTrack in Tracks.Where(linqTrack => linqTrack.Sequence == track))
{
aaruTrack = linqTrack;
break;
}
buffer = null;
Track? aaruTrack = Tracks.FirstOrDefault(linqTrack => linqTrack.Sequence == track);
if(aaruTrack is null)
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
return ErrorNumber.SectorNotFound;
if(length + sectorAddress - 1 > aaruTrack.EndSector)
throw new ArgumentOutOfRangeException(nameof(length),
$"Requested more sectors ({length + sectorAddress}) than present in track ({aaruTrack.EndSector}), won't cross tracks");
return ErrorNumber.OutOfMemory;
byte[] buffer = new byte[2352 * length];
buffer = new byte[2352 * length];
_dataStream.Seek((long)(aaruTrack.FileOffset + (sectorAddress * 2352)), SeekOrigin.Begin);
_dataStream.Read(buffer, 0, buffer.Length);
return buffer;
return ErrorNumber.NoError;
}
/// <inheritdoc />

10
Aaru.Images/CloneCD/Verify.cs
View File

@@ -89,11 +89,15 @@ namespace Aaru.DiscImages
public bool? VerifySectors(ulong sectorAddress, uint length, uint track, out List<ulong> failingLbas,
out List<ulong> unknownLbas)
{
byte[] buffer = ReadSectorsLong(sectorAddress, length, track);
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
failingLbas = new List<ulong>();
unknownLbas = new List<ulong>();
ErrorNumber errno = ReadSectorsLong(sectorAddress, length, track, out byte[] buffer);
if(errno != ErrorNumber.NoError)
return null;
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
for(int i = 0; i < length; i++)
{

42
Aaru.Images/DiscJuggler/Read.cs
View File

@@ -1237,7 +1237,8 @@ namespace Aaru.DiscImages
ReadSectorsLong(sectorAddress, 1, out buffer);
/// <inheritdoc />
public byte[] ReadSectorLong(ulong sectorAddress, uint track) => ReadSectorsLong(sectorAddress, 1, track);
public ErrorNumber ReadSectorLong(ulong sectorAddress, uint track, out byte[] buffer) =>
ReadSectorsLong(sectorAddress, 1, track, out buffer);
/// <inheritdoc />
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, out byte[] buffer)
@@ -1248,43 +1249,26 @@ namespace Aaru.DiscImages
from track in Tracks where track.Sequence == kvp.Key
where sectorAddress - kvp.Value <
track.EndSector - track.StartSector + 1 select kvp)
{
buffer = ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key);
return buffer is null ? ErrorNumber.NoData : ErrorNumber.NoError;
}
return ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key, out buffer);
return ErrorNumber.SectorNotFound;
}
/// <inheritdoc />
public byte[] ReadSectorsLong(ulong sectorAddress, uint length, uint track)
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, uint track, out byte[] buffer)
{
buffer = null;
if(!_isCd)
{
ErrorNumber errno = ReadSectors(sectorAddress, length, track, out byte[] nonCdBuffer);
return ReadSectors(sectorAddress, length, track, out buffer);
return errno == ErrorNumber.NoError ? nonCdBuffer : null;
}
var aaruTrack = new Track
{
Sequence = 0
};
foreach(Track linqTrack in Tracks.Where(linqTrack => linqTrack.Sequence == track))
{
aaruTrack = linqTrack;
break;
}
Track? aaruTrack = Tracks.FirstOrDefault(linqTrack => linqTrack.Sequence == track);
if(aaruTrack is null)
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
return ErrorNumber.SectorNotFound;
if(length + sectorAddress > aaruTrack.EndSector - aaruTrack.StartSector + 1)
throw new ArgumentOutOfRangeException(nameof(length),
$"Requested more sectors ({length + sectorAddress}) than present in track ({aaruTrack.EndSector - aaruTrack.StartSector + 1}), won't cross tracks");
return ErrorNumber.OutOfRange;
uint sectorSize = (uint)aaruTrack.RawBytesPerSector;
uint sectorSkip = 0;
@@ -1303,10 +1287,10 @@ namespace Aaru.DiscImages
sectorSkip += 96;
break;
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported subchannel type");
default: return ErrorNumber.NotSupported;
}
byte[] buffer = new byte[sectorSize * length];
buffer = new byte[sectorSize * length];
_imageStream.Seek((long)(aaruTrack.FileOffset + (sectorAddress * (sectorSize + sectorSkip))),
SeekOrigin.Begin);
@@ -1361,7 +1345,7 @@ namespace Aaru.DiscImages
}
}
return buffer;
return ErrorNumber.NoError;
}
/// <inheritdoc />

10
Aaru.Images/DiscJuggler/Verify.cs
View File

@@ -89,11 +89,15 @@ namespace Aaru.DiscImages
public bool? VerifySectors(ulong sectorAddress, uint length, uint track, out List<ulong> failingLbas,
out List<ulong> unknownLbas)
{
byte[] buffer = ReadSectorsLong(sectorAddress, length, track);
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
failingLbas = new List<ulong>();
unknownLbas = new List<ulong>();
ErrorNumber errno = ReadSectorsLong(sectorAddress, length, track, out byte[] buffer);
if(errno != ErrorNumber.NoError)
return null;
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
for(int i = 0; i < length; i++)
{

33
Aaru.Images/GDI/Read.cs
View File

@@ -697,7 +697,7 @@ namespace Aaru.DiscImages
ReadSectorsLong(sectorAddress, 1, out buffer);
/// <inheritdoc />
public byte[] ReadSectorLong(ulong sectorAddress, uint track) => ReadSectorsLong(sectorAddress, 1, track);
public ErrorNumber ReadSectorLong(ulong sectorAddress, uint track, out byte[] buffer) => ReadSectorsLong(sectorAddress, 1, track, out buffer);
/// <inheritdoc />
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, out byte[] buffer)
@@ -708,25 +708,23 @@ namespace Aaru.DiscImages
from gdiTrack in _discImage.Tracks
where gdiTrack.Sequence == kvp.Key
where sectorAddress - kvp.Value < gdiTrack.Sectors select kvp)
{
buffer = ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key);
return buffer is null ? ErrorNumber.SectorNotFound : ErrorNumber.NoError;
}
return ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key, out buffer);
return ErrorNumber.SectorNotFound;
}
/// <inheritdoc />
public byte[] ReadSectorsLong(ulong sectorAddress, uint length, uint track)
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, uint track, out byte[] buffer)
{
buffer = null;
if(track == 0)
{
if(sectorAddress + length > _densitySeparationSectors)
throw new ArgumentOutOfRangeException(nameof(length),
"Requested more sectors than present in track, won't cross tracks");
return ErrorNumber.OutOfRange;
return new byte[length * 2352];
buffer= new byte[length * 2352];
return ErrorNumber.NoError;
}
var aaruTrack = new GdiTrack
@@ -742,11 +740,10 @@ namespace Aaru.DiscImages
}
if(aaruTrack.Sequence == 0)
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
return ErrorNumber.SectorNotFound;
if(sectorAddress + length > aaruTrack.Sectors)
throw new ArgumentOutOfRangeException(nameof(length),
"Requested more sectors than present in track, won't cross tracks");
return ErrorNumber.OutOfRange;
uint sectorOffset;
uint sectorSize;
@@ -779,10 +776,10 @@ namespace Aaru.DiscImages
break;
}
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
default: return ErrorNumber.NotSupported;
}
byte[] buffer = new byte[sectorSize * length];
buffer = new byte[sectorSize * length];
ulong remainingSectors = length;
@@ -795,7 +792,7 @@ namespace Aaru.DiscImages
}
if(remainingSectors == 0)
return buffer;
return ErrorNumber.NoError;
_imageStream = aaruTrack.TrackFilter.GetDataForkStream();
var br = new BinaryReader(_imageStream);
@@ -811,9 +808,7 @@ namespace Aaru.DiscImages
if(sectorOffset == 0 &&
sectorSkip == 0 &&
remainingSectors == length)
{
buffer = br.ReadBytes((int)(sectorSize * remainingSectors));
}
else if(sectorOffset == 0 &&
sectorSkip == 0)
{
@@ -855,7 +850,7 @@ namespace Aaru.DiscImages
}
}
return buffer;
return ErrorNumber.NoError;
}
/// <inheritdoc />

10
Aaru.Images/GDI/Verify.cs
View File

@@ -89,11 +89,15 @@ namespace Aaru.DiscImages
public bool? VerifySectors(ulong sectorAddress, uint length, uint track, out List<ulong> failingLbas,
out List<ulong> unknownLbas)
{
byte[] buffer = ReadSectorsLong(sectorAddress, length, track);
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
failingLbas = new List<ulong>();
unknownLbas = new List<ulong>();
ErrorNumber errno = ReadSectorsLong(sectorAddress, length, track, out byte[] buffer);
if(errno != ErrorNumber.NoError)
return null;
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
for(int i = 0; i < length; i++)
{

30
Aaru.Images/Nero/Read.cs
View File

@@ -2091,7 +2091,8 @@ namespace Aaru.DiscImages
ReadSectorsLong(sectorAddress, 1, out buffer);
/// <inheritdoc />
public byte[] ReadSectorLong(ulong sectorAddress, uint track) => ReadSectorsLong(sectorAddress, 1, track);
public ErrorNumber ReadSectorLong(ulong sectorAddress, uint track, out byte[] buffer) =>
ReadSectorsLong(sectorAddress, 1, track, out buffer);
/// <inheritdoc />
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, out byte[] buffer)
@@ -2102,31 +2103,24 @@ namespace Aaru.DiscImages
from track in Tracks where track.Sequence == kvp.Key
where sectorAddress - kvp.Value <=
track.EndSector - track.StartSector select kvp)
{
buffer = ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key);
return buffer is null ? ErrorNumber.NoData : ErrorNumber.NoError;
}
return ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key, out buffer);
return ErrorNumber.SectorNotFound;
}
/// <inheritdoc />
public byte[] ReadSectorsLong(ulong sectorAddress, uint length, uint track)
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, uint track, out byte[] buffer)
{
if(!_isCd)
{
ErrorNumber errno = ReadSectors(sectorAddress, length, track, out byte[] nonCdBuffer);
buffer = null;
return errno == ErrorNumber.NoError ? nonCdBuffer : null;
}
if(!_isCd)
return ReadSectors(sectorAddress, length, track, out buffer);
if(!_neroTracks.TryGetValue(track, out NeroTrack aaruTrack))
throw new ArgumentOutOfRangeException(nameof(track), "Track not found");
return ErrorNumber.SectorNotFound;
if(length > aaruTrack.Sectors)
throw new ArgumentOutOfRangeException(nameof(length),
$"Requested more sectors ({length}) than present in track ({aaruTrack.Sectors}), won't cross tracks");
return ErrorNumber.OutOfRange;
uint sectorOffset;
uint sectorSize;
@@ -2176,10 +2170,10 @@ namespace Aaru.DiscImages
break;
}
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
default: return ErrorNumber.NotSupported;
}
byte[] buffer = new byte[sectorSize * length];
buffer = new byte[sectorSize * length];
_imageStream = _neroFilter.GetDataForkStream();
var br = new BinaryReader(_imageStream);
@@ -2260,7 +2254,7 @@ namespace Aaru.DiscImages
}
}
return buffer;
return ErrorNumber.NoError;
}
/// <inheritdoc />

10
Aaru.Images/Nero/Verify.cs
View File

@@ -89,11 +89,15 @@ namespace Aaru.DiscImages
public bool? VerifySectors(ulong sectorAddress, uint length, uint track, out List<ulong> failingLbas,
out List<ulong> unknownLbas)
{
byte[] buffer = ReadSectorsLong(sectorAddress, length, track);
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
failingLbas = new List<ulong>();
unknownLbas = new List<ulong>();
ErrorNumber errno = ReadSectorsLong(sectorAddress, length, track, out byte[] buffer);
if(errno != ErrorNumber.NoError)
return null;
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
for(int i = 0; i < length; i++)
{

26
Aaru.Images/ZZZRawImage/Read.cs
View File

@@ -1366,31 +1366,25 @@ namespace Aaru.DiscImages
}
/// <inheritdoc />
public byte[] ReadSectorLong(ulong sectorAddress, uint track)
public ErrorNumber ReadSectorLong(ulong sectorAddress, uint track, out byte[] buffer)
{
buffer = null;
if(_imageInfo.XmlMediaType != XmlMediaType.OpticalDisc)
throw new FeatureUnsupportedImageException("Feature not supported by image format");
return ErrorNumber.NotSupported;
if(track != 1)
throw new ArgumentOutOfRangeException(nameof(track), "Only a single track is supported");
ErrorNumber errno = ReadSectorsLong(sectorAddress, 1, out byte[] buffer);
return errno != ErrorNumber.NoError ? null : buffer;
return track != 1 ? ErrorNumber.OutOfRange : ReadSectorsLong(sectorAddress, 1, out buffer);
}
/// <inheritdoc />
public byte[] ReadSectorsLong(ulong sectorAddress, uint length, uint track)
public ErrorNumber ReadSectorsLong(ulong sectorAddress, uint length, uint track, out byte[] buffer)
{
buffer = null;
if(_imageInfo.XmlMediaType != XmlMediaType.OpticalDisc)
throw new FeatureUnsupportedImageException("Feature not supported by image format");
return ErrorNumber.NotSupported;
if(track != 1)
throw new ArgumentOutOfRangeException(nameof(track), "Only a single track is supported");
ErrorNumber errno = ReadSectorsLong(sectorAddress, length, out byte[] buffer);
return errno != ErrorNumber.NoError ? null : buffer;
return track != 1 ? ErrorNumber.OutOfRange : ReadSectorsLong(sectorAddress, length, out buffer);
}
/// <inheritdoc />

10
Aaru.Images/ZZZRawImage/Verify.cs
View File

@@ -114,11 +114,15 @@ namespace Aaru.DiscImages
return null;
}
byte[] buffer = ReadSectorsLong(sectorAddress, length, track);
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
failingLbas = new List<ulong>();
unknownLbas = new List<ulong>();
ErrorNumber errno = ReadSectorsLong(sectorAddress, length, track, out byte[] buffer);
if(errno != ErrorNumber.NoError)
return null;
int bps = (int)(buffer.Length / length);
byte[] sector = new byte[bps];
for(int i = 0; i < length; i++)
{

30
Aaru.Tests/Images/OpticalMediaImageTest.cs
View File

@@ -344,31 +344,21 @@ namespace Aaru.Tests.Images
if(sectors - doneSectors >= SECTORS_TO_READ)
{
if(@long)
{
errno = ErrorNumber.NoError;
sector = image.ReadSectorsLong(doneSectors, SECTORS_TO_READ,
currentTrack.Sequence);
}
else
errno = image.ReadSectors(doneSectors, SECTORS_TO_READ,
currentTrack.Sequence, out sector);
errno = @long ? image.ReadSectorsLong(doneSectors, SECTORS_TO_READ,
currentTrack.Sequence, out sector)
: image.ReadSectors(doneSectors, SECTORS_TO_READ,
currentTrack.Sequence,
out sector);
doneSectors += SECTORS_TO_READ;
}
else
{
if(@long)
{
errno = ErrorNumber.NoError;
sector = image.ReadSectorsLong(doneSectors, (uint)(sectors - doneSectors),
currentTrack.Sequence);
}
else
errno = image.ReadSectors(doneSectors, (uint)(sectors - doneSectors),
currentTrack.Sequence, out sector);
errno = @long ? image.ReadSectorsLong(doneSectors,
(uint)(sectors - doneSectors),
currentTrack.Sequence, out sector)
: image.ReadSectors(doneSectors, (uint)(sectors - doneSectors),
currentTrack.Sequence, out sector);
doneSectors += sectors - doneSectors;
}

28
Aaru.Tests/WritableImages/WritableOpticalMediaImageTest.cs
View File

@@ -575,31 +575,19 @@ namespace Aaru.Tests.WritableImages
if(sectors - doneSectors >= SECTORS_TO_READ)
{
if(@long)
{
sector = image.ReadSectorsLong(doneSectors, SECTORS_TO_READ,
currentTrack.Sequence);
errno = ErrorNumber.NoError;
}
else
errno = image.ReadSectors(doneSectors, SECTORS_TO_READ, currentTrack.Sequence,
out sector);
errno = @long ? image.ReadSectorsLong(doneSectors, SECTORS_TO_READ,
currentTrack.Sequence, out sector)
: image.ReadSectors(doneSectors, SECTORS_TO_READ, currentTrack.Sequence,
out sector);
doneSectors += SECTORS_TO_READ;
}
else
{
if(@long)
{
sector = image.ReadSectorsLong(doneSectors, (uint)(sectors - doneSectors),
currentTrack.Sequence);
errno = ErrorNumber.NoError;
}
else
errno = image.ReadSectors(doneSectors, (uint)(sectors - doneSectors),
currentTrack.Sequence, out sector);
errno = @long ? image.ReadSectorsLong(doneSectors, (uint)(sectors - doneSectors),
currentTrack.Sequence, out sector)
: image.ReadSectors(doneSectors, (uint)(sectors - doneSectors),
currentTrack.Sequence, out sector);
doneSectors += sectors - doneSectors;
}