bool ScsiReadBlocks(out byte[] buffer, ulong block, uint count, out double duration, out bool recoveredError,
out bool blankCheck)
{
bool sense;
byte[] senseBuf;
buffer = null;
duration = 0;
recoveredError = false;
blankCheck = false;
if (CanReadRaw)
{
if (_readLong16)
{
sense = _dev.ReadLong16(out buffer, out senseBuf, false, block, LongBlockSize, _timeout,
out duration);
}
else if (_readLong10)
{
sense = _dev.ReadLong10(out buffer, out senseBuf, false, false, (uint)block, (ushort)LongBlockSize,
_timeout, out duration);
}
else if (_syqReadLong10)
{
sense = _dev.SyQuestReadLong10(out buffer, out senseBuf, (uint)block, LongBlockSize, _timeout,
out duration);
}
else if (_syqReadLong6)
{
sense = _dev.SyQuestReadLong6(out buffer, out senseBuf, (uint)block, LongBlockSize, _timeout,
out duration);
}
else if (_hldtstReadRaw)
{
sense = _dev.HlDtStReadRawDvd(out buffer, out senseBuf, (uint)block, LongBlockSize, _timeout,
out duration);
}
else if (_plextorReadRaw)
{
sense = _dev.PlextorReadRawDvd(out buffer, out senseBuf, (uint)block, LongBlockSize, _timeout,
out duration);
}
else
{
return(true);
}
}
else
{
if (_read6)
{
sense = _dev.Read6(out buffer, out senseBuf, (uint)block, LogicalBlockSize, (byte)count, _timeout,
out duration);
}
else if (_read10)
{
sense = _dev.Read10(out buffer, out senseBuf, 0, false, false, false, false, (uint)block,
LogicalBlockSize, 0, (ushort)count, _timeout, out duration);
}
else if (_read12)
{
sense = _dev.Read12(out buffer, out senseBuf, 0, false, false, false, false, (uint)block,
LogicalBlockSize, 0, count, false, _timeout, out duration);
}
else if (_read16)
{
sense = _dev.Read16(out buffer, out senseBuf, 0, false, false, false, block, LogicalBlockSize, 0,
count, false, _timeout, out duration);
}
else
{
return(true);
}
}
if (sense || _dev.Error)
{
_errorLog?.WriteLine(block, _dev.Error, _dev.LastError, senseBuf);
}
if (!sense &&
!_dev.Error)
{
return(false);
}
recoveredError = Sense.DecodeFixed(senseBuf)?.SenseKey == SenseKeys.RecoveredError ||
Sense.DecodeDescriptor(senseBuf)?.SenseKey == SenseKeys.RecoveredError;
blankCheck = Sense.DecodeFixed(senseBuf)?.SenseKey == SenseKeys.BlankCheck ||
Sense.DecodeDescriptor(senseBuf)?.SenseKey == SenseKeys.BlankCheck;
AaruConsole.DebugWriteLine("SCSI Reader", "READ error:\n{0}", Sense.PrettifySense(senseBuf));
return(sense);
}
/// <summary>Register an SCSI error after trying to read</summary>
/// <param name="block">Starting block</param>
/// <param name="osError"><c>true</c> if operating system returned an error status instead of the device</param>
/// <param name="errno">Operating system error number</param>
/// <param name="senseBuffer">REQUEST SENSE response buffer</param>
public void WriteLine(ulong block, bool osError, int errno, byte[] senseBuffer)
{
if (osError)
{
_logSw.WriteLine("SCSI reading LBA {0} operating system error: {1}.", block, errno);
_logSw.Flush();
if (senseBuffer is null ||
senseBuffer.Length == 0 ||
senseBuffer.All(s => s == 0))
{
return;
}
}
FixedSense? decodedFixedSense = Sense.DecodeFixed(senseBuffer);
DescriptorSense?decodedDescriptorSense = Sense.DecodeDescriptor(senseBuffer);
string prettySense = Sense.PrettifySense(senseBuffer);
string hexSense = string.Join(' ', senseBuffer.Select(b => $"{b:X2}"));
if (decodedFixedSense.HasValue)
{
if (prettySense != null)
{
if (prettySense.StartsWith("SCSI SENSE: ", StringComparison.Ordinal))
{
prettySense = prettySense.Substring(12);
}
if (prettySense.EndsWith('\n'))
{
prettySense = prettySense.Substring(0, prettySense.Length - 1);
}
prettySense = prettySense.Replace("\n", " - ");
_logSw.WriteLine("SCSI reading LBA {0} error: SENSE {1} ASC {2:X2}h ASCQ {3:X2}h, {4}, {5}.", block,
decodedFixedSense?.SenseKey, decodedFixedSense?.ASC, decodedFixedSense?.ASCQ,
hexSense, prettySense);
}
else
{
_logSw.WriteLine("SCSI reading LBA {0} error: SENSE {1} ASC {2:X2}h ASCQ {3:X2}h, {4}.", block,
decodedFixedSense?.SenseKey, decodedFixedSense?.ASC, decodedFixedSense?.ASCQ,
hexSense);
}
}
else if (decodedDescriptorSense.HasValue)
{
if (prettySense != null)
{
if (prettySense.StartsWith("SCSI SENSE: ", StringComparison.Ordinal))
{
prettySense = prettySense.Substring(12);
}
if (prettySense.EndsWith('\n'))
{
prettySense = prettySense.Substring(0, prettySense.Length - 1);
}
prettySense = prettySense.Replace("\n", " - ");
_logSw.WriteLine("SCSI reading LBA {0} error: SENSE {1} ASC {2:X2}h ASCQ {3:X2}h, {4}, {5}.", block,
decodedDescriptorSense?.SenseKey, decodedDescriptorSense?.ASC,
decodedDescriptorSense?.ASCQ, hexSense, prettySense);
}
else
{
_logSw.WriteLine("SCSI reading LBA {0} error: SENSE {1} ASC {2:X2}h ASCQ {3:X2}h, {4}.", block,
decodedDescriptorSense?.SenseKey, decodedDescriptorSense?.ASC,
decodedDescriptorSense?.ASCQ, hexSense);
}
}
else
{
if (prettySense != null)
{
if (prettySense.StartsWith("SCSI SENSE: ", StringComparison.Ordinal))
{
prettySense = prettySense.Substring(12);
}
if (prettySense.EndsWith('\n'))
{
prettySense = prettySense.Substring(0, prettySense.Length - 1);
}
prettySense = prettySense.Replace("\n", " - ");
_logSw.WriteLine("SCSI reading LBA {0} error: {1}, {2}.", block, hexSense, prettySense);
}
else
{
_logSw.WriteLine("SCSI reading LBA {0} error: {1}", block, hexSense);
}
}
_logSw.Flush();
}
