Refactor: Move common reading code to separate class.

This commit is contained in:
2017-05-30 02:00:55 +01:00
parent d011caaaa9
commit 07b9f9787f
9 changed files with 1284 additions and 1244 deletions

View File

@@ -144,6 +144,7 @@ namespace DiscImageChef.Core.Devices.Dumping
}
}
Reader scsiReader = null;
if(dev.SCSIType == Decoders.SCSI.PeripheralDeviceTypes.DirectAccess ||
dev.SCSIType == Decoders.SCSI.PeripheralDeviceTypes.MultiMediaDevice ||
dev.SCSIType == Decoders.SCSI.PeripheralDeviceTypes.OCRWDevice ||
@@ -151,36 +152,13 @@ namespace DiscImageChef.Core.Devices.Dumping
dev.SCSIType == Decoders.SCSI.PeripheralDeviceTypes.SimplifiedDevice ||
dev.SCSIType == Decoders.SCSI.PeripheralDeviceTypes.WriteOnceDevice)
{
sense = dev.ReadCapacity(out cmdBuf, out senseBuf, dev.Timeout, out duration);
if(!sense)
scsiReader = new Reader(dev, dev.Timeout, null, dumpRaw);
blocks = scsiReader.GetDeviceBlocks();
blockSize = scsiReader.LogicalBlockSize;
if(scsiReader.FindReadCommand())
{
blocks = (ulong)((cmdBuf[0] << 24) + (cmdBuf[1] << 16) + (cmdBuf[2] << 8) + (cmdBuf[3]));
blockSize = (uint)((cmdBuf[5] << 24) + (cmdBuf[5] << 16) + (cmdBuf[6] << 8) + (cmdBuf[7]));
}
if(sense || blocks == 0xFFFFFFFF)
{
sense = dev.ReadCapacity16(out cmdBuf, out senseBuf, dev.Timeout, out duration);
if(sense && blocks == 0)
{
// Not all MMC devices support READ CAPACITY, as they have READ TOC
if(dev.SCSIType != Decoders.SCSI.PeripheralDeviceTypes.MultiMediaDevice)
{
DicConsole.ErrorWriteLine("Unable to get media capacity");
DicConsole.ErrorWriteLine("{0}", Decoders.SCSI.Sense.PrettifySense(senseBuf));
}
}
if(!sense)
{
byte[] temp = new byte[8];
Array.Copy(cmdBuf, 0, temp, 0, 8);
Array.Reverse(temp);
blocks = BitConverter.ToUInt64(temp, 0);
blockSize = (uint)((cmdBuf[5] << 24) + (cmdBuf[5] << 16) + (cmdBuf[6] << 8) + (cmdBuf[7]));
}
DicConsole.ErrorWriteLine("Unable to read medium.");
return;
}
if(blocks != 0 && blockSize != 0)
@@ -191,7 +169,7 @@ namespace DiscImageChef.Core.Devices.Dumping
}
logicalBlockSize = blockSize;
physicalBlockSize = blockSize;
physicalBlockSize = scsiReader.PhysicalBlockSize;
}
DateTime start;
@@ -1502,10 +1480,7 @@ namespace DiscImageChef.Core.Devices.Dumping
e.Cancel = aborted = true;
};
// TODO: Raw reading
bool read6 = false, read10 = false, read12 = false, read16 = false, readcd = false;
bool readLong10 = false, readLong16 = false, hldtstReadRaw = false, readLongDvd = false;
bool plextorReadRaw = false, syqReadLong6 = false, syqReadLong10 = false;
bool readcd = false;
#region CompactDisc dump
if(compactDisc)
@@ -1994,7 +1969,7 @@ namespace DiscImageChef.Core.Devices.Dumping
DicConsole.WriteLine("Real layer break: {0}", layerBreak);
DicConsole.WriteLine();
read12 = !dev.Read12(out readBuffer, out senseBuf, 0, false, true, false, false, 0, blockSize, 0, 1, false, dev.Timeout, out duration);
bool read12 = !dev.Read12(out readBuffer, out senseBuf, 0, false, true, false, false, 0, blockSize, 0, 1, false, dev.Timeout, out duration);
if(!read12)
{
DicConsole.ErrorWriteLine("Cannot read medium, aborting scan...");
@@ -2605,246 +2580,13 @@ namespace DiscImageChef.Core.Devices.Dumping
#endregion Xbox Game Disc
else
{
uint longBlockSize = blockSize;
bool rawAble = false;
uint longBlockSize = scsiReader.LongBlockSize;
if(dumpRaw)
{
bool testSense;
Decoders.SCSI.FixedSense? decSense;
if(dev.SCSIType != Decoders.SCSI.PeripheralDeviceTypes.MultiMediaDevice)
{
/*testSense = dev.ReadLong16(out readBuffer, out senseBuf, false, 0, 0xFFFF, dev.Timeout, out duration);
if (testSense && !dev.Error)
{
decSense = Decoders.SCSI.Sense.DecodeFixed(senseBuf);
if (decSense.HasValue)
{
if (decSense.Value.SenseKey == DiscImageChef.Decoders.SCSI.SenseKeys.IllegalRequest &&
decSense.Value.ASC == 0x24 && decSense.Value.ASCQ == 0x00)
{
rawAble = true;
if (decSense.Value.InformationValid && decSense.Value.ILI)
{
longBlockSize = 0xFFFF - (decSense.Value.Information & 0xFFFF);
readLong16 = !dev.ReadLong16(out readBuffer, out senseBuf, false, 0, longBlockSize, dev.Timeout, out duration);
}
}
}
}*/
testSense = dev.ReadLong10(out readBuffer, out senseBuf, false, false, 0, 0xFFFF, dev.Timeout, out duration);
if(testSense && !dev.Error)
{
decSense = Decoders.SCSI.Sense.DecodeFixed(senseBuf);
if(decSense.HasValue)
{
if(decSense.Value.SenseKey == Decoders.SCSI.SenseKeys.IllegalRequest &&
decSense.Value.ASC == 0x24 && decSense.Value.ASCQ == 0x00)
{
rawAble = true;
if(decSense.Value.InformationValid && decSense.Value.ILI)
{
longBlockSize = 0xFFFF - (decSense.Value.Information & 0xFFFF);
readLong10 = !dev.ReadLong10(out readBuffer, out senseBuf, false, false, 0, (ushort)longBlockSize, dev.Timeout, out duration);
}
}
}
}
if(rawAble && longBlockSize == blockSize)
{
if(blockSize == 512)
{
// Long sector sizes for 512-byte magneto-opticals
foreach(ushort testSize in new[] { 600, 610, 630 })
{
testSense = dev.ReadLong16(out readBuffer, out senseBuf, false, 0, testSize, dev.Timeout, out duration);
if(!testSense && !dev.Error)
{
readLong16 = true;
longBlockSize = testSize;
rawAble = true;
break;
}
testSense = dev.ReadLong10(out readBuffer, out senseBuf, false, false, 0, testSize, dev.Timeout, out duration);
if(!testSense && !dev.Error)
{
readLong10 = true;
longBlockSize = testSize;
rawAble = true;
break;
}
}
}
else if(blockSize == 1024)
{
testSense = dev.ReadLong16(out readBuffer, out senseBuf, false, 0, 1200, dev.Timeout, out duration);
if(!testSense && !dev.Error)
{
readLong16 = true;
longBlockSize = 1200;
rawAble = true;
}
else
{
testSense = dev.ReadLong10(out readBuffer, out senseBuf, false, false, 0, 1200, dev.Timeout, out duration);
if(!testSense && !dev.Error)
{
readLong10 = true;
longBlockSize = 1200;
rawAble = true;
}
}
}
else if(blockSize == 2048)
{
testSense = dev.ReadLong16(out readBuffer, out senseBuf, false, 0, 2380, dev.Timeout, out duration);
if(!testSense && !dev.Error)
{
readLong16 = true;
longBlockSize = 2380;
rawAble = true;
}
else
{
testSense = dev.ReadLong10(out readBuffer, out senseBuf, false, false, 0, 2380, dev.Timeout, out duration);
if(!testSense && !dev.Error)
{
readLong10 = true;
longBlockSize = 2380;
rawAble = true;
}
}
}
else if(blockSize == 4096)
{
testSense = dev.ReadLong16(out readBuffer, out senseBuf, false, 0, 4760, dev.Timeout, out duration);
if(!testSense && !dev.Error)
{
readLong16 = true;
longBlockSize = 4760;
rawAble = true;
}
else
{
testSense = dev.ReadLong10(out readBuffer, out senseBuf, false, false, 0, 4760, dev.Timeout, out duration);
if(!testSense && !dev.Error)
{
readLong10 = true;
longBlockSize = 4760;
rawAble = true;
}
}
}
else if(blockSize == 8192)
{
testSense = dev.ReadLong16(out readBuffer, out senseBuf, false, 0, 9424, dev.Timeout, out duration);
if(!testSense && !dev.Error)
{
readLong16 = true;
longBlockSize = 9424;
rawAble = true;
}
else
{
testSense = dev.ReadLong10(out readBuffer, out senseBuf, false, false, 0, 9424, dev.Timeout, out duration);
if(!testSense && !dev.Error)
{
readLong10 = true;
longBlockSize = 9424;
rawAble = true;
}
}
}
}
if(!rawAble && dev.Manufacturer == "SYQUEST")
{
testSense = dev.SyQuestReadLong10(out readBuffer, out senseBuf, 0, 0xFFFF, dev.Timeout, out duration);
if(testSense)
{
decSense = Decoders.SCSI.Sense.DecodeFixed(senseBuf);
if(decSense.HasValue)
{
if(decSense.Value.SenseKey == Decoders.SCSI.SenseKeys.IllegalRequest &&
decSense.Value.ASC == 0x24 && decSense.Value.ASCQ == 0x00)
{
rawAble = true;
if(decSense.Value.InformationValid && decSense.Value.ILI)
{
longBlockSize = 0xFFFF - (decSense.Value.Information & 0xFFFF);
syqReadLong10 = !dev.SyQuestReadLong10(out readBuffer, out senseBuf, 0, longBlockSize, dev.Timeout, out duration);
}
}
else
{
testSense = dev.SyQuestReadLong6(out readBuffer, out senseBuf, 0, 0xFFFF, dev.Timeout, out duration);
if(testSense)
{
decSense = Decoders.SCSI.Sense.DecodeFixed(senseBuf);
if(decSense.HasValue)
{
if(decSense.Value.SenseKey == Decoders.SCSI.SenseKeys.IllegalRequest &&
decSense.Value.ASC == 0x24 && decSense.Value.ASCQ == 0x00)
{
rawAble = true;
if(decSense.Value.InformationValid && decSense.Value.ILI)
{
longBlockSize = 0xFFFF - (decSense.Value.Information & 0xFFFF);
syqReadLong6 = !dev.SyQuestReadLong6(out readBuffer, out senseBuf, 0, longBlockSize, dev.Timeout, out duration);
}
}
}
}
}
}
}
if(!rawAble && blockSize == 256)
{
testSense = dev.SyQuestReadLong6(out readBuffer, out senseBuf, 0, 262, dev.Timeout, out duration);
if(!testSense && !dev.Error)
{
syqReadLong6 = true;
longBlockSize = 262;
rawAble = true;
}
}
}
}
else
{
if(dev.Manufacturer == "HL-DT-ST")
hldtstReadRaw = !dev.HlDtStReadRawDvd(out readBuffer, out senseBuf, 0, 1, dev.Timeout, out duration);
if(dev.Manufacturer == "PLEXTOR")
hldtstReadRaw = !dev.PlextorReadRawDvd(out readBuffer, out senseBuf, 0, 1, dev.Timeout, out duration);
if(hldtstReadRaw || plextorReadRaw)
{
rawAble = true;
longBlockSize = 2064;
}
// READ LONG (10) for some DVD drives
if(!rawAble && dev.Manufacturer == "MATSHITA")
{
testSense = dev.ReadLong10(out readBuffer, out senseBuf, false, false, 0, 37856, dev.Timeout, out duration);
if(!testSense && !dev.Error)
{
readLongDvd = true;
longBlockSize = 37856;
rawAble = true;
}
}
}
if(blockSize == longBlockSize)
{
if(!rawAble)
if(!scsiReader.CanReadRaw)
{
DicConsole.ErrorWriteLine("Device doesn't seem capable of reading raw data from media.");
}
@@ -2865,22 +2607,8 @@ namespace DiscImageChef.Core.Devices.Dumping
}
else
{
if(readLong16)
DicConsole.WriteLine("Using SCSI READ LONG (16) command.");
else if(readLong10 || readLongDvd)
DicConsole.WriteLine("Using SCSI READ LONG (10) command.");
else if(syqReadLong10)
DicConsole.WriteLine("Using SyQuest READ LONG (10) command.");
else if(syqReadLong6)
DicConsole.WriteLine("Using SyQuest READ LONG (6) command.");
else if(hldtstReadRaw)
DicConsole.WriteLine("Using HL-DT-ST raw DVD reading.");
else if(plextorReadRaw)
DicConsole.WriteLine("Using Plextor raw DVD reading.");
else
throw new AccessViolationException("Should not arrive here");
if(readLongDvd) // Only a block will be read, but it contains 16 sectors and command expect sector number not block number
if(longBlockSize == 37856) // Only a block will be read, but it contains 16 sectors and command expect sector number not block number
blocksToRead = 16;
else
blocksToRead = 1;
@@ -2889,87 +2617,8 @@ namespace DiscImageChef.Core.Devices.Dumping
physicalBlockSize = longBlockSize;
blockSize = longBlockSize;
}
}
if(!dumpRaw)
{
read6 = !dev.Read6(out readBuffer, out senseBuf, 0, blockSize, dev.Timeout, out duration);
read10 = !dev.Read10(out readBuffer, out senseBuf, 0, false, true, false, false, 0, blockSize, 0, 1, dev.Timeout, out duration);
read12 = !dev.Read12(out readBuffer, out senseBuf, 0, false, true, false, false, 0, blockSize, 0, 1, false, dev.Timeout, out duration);
read16 = !dev.Read16(out readBuffer, out senseBuf, 0, false, true, false, 0, blockSize, 0, 1, false, dev.Timeout, out duration);
if(!read6 && !read10 && !read12 && !read16)
{
DicConsole.ErrorWriteLine("Cannot read medium, aborting scan...");
return;
}
if(read6 && !read10 && !read12 && !read16 && blocks > (0x001FFFFF + 1))
{
DicConsole.ErrorWriteLine("Device only supports SCSI READ (6) but has more than {0} blocks ({1} blocks total)", 0x001FFFFF + 1, blocks);
return;
}
#pragma warning disable IDE0004 // Remove Unnecessary Cast
if(!read16 && blocks > ((long)0xFFFFFFFF + (long)1))
#pragma warning restore IDE0004 // Remove Unnecessary Cast
{
#pragma warning disable IDE0004 // Remove Unnecessary Cast
DicConsole.ErrorWriteLine("Device only supports SCSI READ (10) but has more than {0} blocks ({1} blocks total)", (long)0xFFFFFFFF + (long)1, blocks);
#pragma warning restore IDE0004 // Remove Unnecessary Cast
return;
}
if(read16)
DicConsole.WriteLine("Using SCSI READ (16) command.");
else if(read12)
DicConsole.WriteLine("Using SCSI READ (12) command.");
else if(read10)
DicConsole.WriteLine("Using SCSI READ (10) command.");
else if(read6)
DicConsole.WriteLine("Using SCSI READ (6) command.");
while(true)
{
if(read16)
{
sense = dev.Read16(out readBuffer, out senseBuf, 0, false, true, false, 0, blockSize, 0, blocksToRead, false, dev.Timeout, out duration);
if(dev.Error)
blocksToRead /= 2;
}
else if(read12)
{
sense = dev.Read12(out readBuffer, out senseBuf, 0, false, false, false, false, 0, blockSize, 0, blocksToRead, false, dev.Timeout, out duration);
if(dev.Error)
blocksToRead /= 2;
}
else if(read10)
{
sense = dev.Read10(out readBuffer, out senseBuf, 0, false, true, false, false, 0, blockSize, 0, (ushort)blocksToRead, dev.Timeout, out duration);
if(dev.Error)
blocksToRead /= 2;
}
else if(read6)
{
sense = dev.Read6(out readBuffer, out senseBuf, 0, blockSize, (byte)blocksToRead, dev.Timeout, out duration);
if(dev.Error)
blocksToRead /= 2;
}
if(!dev.Error || blocksToRead == 1)
break;
}
if(dev.Error)
{
DicConsole.ErrorWriteLine("Device error {0} trying to guess ideal transfer length.", dev.LastError);
return;
}
}
DicConsole.WriteLine("Reading {0} sectors at a time.", blocksToRead);
mhddLog = new MHDDLog(outputPrefix + ".mhddlog.bin", dev, blocks, blockSize, blocksToRead);
@@ -2999,56 +2648,8 @@ namespace DiscImageChef.Core.Devices.Dumping
DicConsole.Write("\rReading sector {0} of {1} ({2:F3} MiB/sec.)", i, blocks, currentSpeed);
if(readLong16)
{
sense = dev.ReadLong16(out readBuffer, out senseBuf, false, i, blockSize, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
else if(readLong10 || readLongDvd)
{
sense = dev.ReadLong10(out readBuffer, out senseBuf, false, false, (uint)i, (ushort)blockSize, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
else if(syqReadLong10)
{
sense = dev.SyQuestReadLong10(out readBuffer, out senseBuf, (uint)i, blockSize, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
else if(syqReadLong6)
{
sense = dev.SyQuestReadLong6(out readBuffer, out senseBuf, (uint)i, blockSize, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
else if(hldtstReadRaw)
{
sense = dev.HlDtStReadRawDvd(out readBuffer, out senseBuf, (uint)i, blockSize, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
else if(plextorReadRaw)
{
sense = dev.PlextorReadRawDvd(out readBuffer, out senseBuf, (uint)i, blockSize, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
else if(read16)
{
sense = dev.Read16(out readBuffer, out senseBuf, 0, false, true, false, i, blockSize, 0, blocksToRead, false, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
else if(read12)
{
sense = dev.Read12(out readBuffer, out senseBuf, 0, false, false, false, false, (uint)i, blockSize, 0, blocksToRead, false, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
else if(read10)
{
sense = dev.Read10(out readBuffer, out senseBuf, 0, false, true, false, false, (uint)i, blockSize, 0, (ushort)blocksToRead, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
else if(read6)
{
sense = dev.Read6(out readBuffer, out senseBuf, (uint)i, blockSize, (byte)blocksToRead, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
sense = scsiReader.ReadBlocks(out readBuffer, i, blocksToRead, out cmdDuration);
totalDuration += cmdDuration;
if(!sense && !dev.Error)
{
@@ -3069,7 +2670,6 @@ namespace DiscImageChef.Core.Devices.Dumping
errored += blocksToRead;
unreadableSectors.Add(i);
DicConsole.DebugWriteLine("Dump-Media", "READ error:\n{0}", Decoders.SCSI.Sense.PrettifySense(senseBuf));
if(cmdDuration < 500)
mhddLog.Write(i, 65535);
else
@@ -3119,56 +2719,8 @@ namespace DiscImageChef.Core.Devices.Dumping
DicConsole.Write("\rRetrying sector {0}, pass {1}, {3}{2}", badSector, pass + 1, forward ? "forward" : "reverse", runningPersistent ? "recovering partial data, " : "");
if(readLong16)
{
sense = dev.ReadLong16(out readBuffer, out senseBuf, false, badSector, blockSize, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
else if(readLong10)
{
sense = dev.ReadLong10(out readBuffer, out senseBuf, false, false, (uint)badSector, (ushort)blockSize, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
else if(syqReadLong10)
{
sense = dev.SyQuestReadLong10(out readBuffer, out senseBuf, (uint)badSector, blockSize, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
else if(syqReadLong6)
{
sense = dev.SyQuestReadLong6(out readBuffer, out senseBuf, (uint)badSector, blockSize, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
else if(hldtstReadRaw)
{
sense = dev.HlDtStReadRawDvd(out readBuffer, out senseBuf, (uint)badSector, blockSize, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
else if(plextorReadRaw)
{
sense = dev.PlextorReadRawDvd(out readBuffer, out senseBuf, (uint)badSector, blockSize, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
else if(read16)
{
sense = dev.Read16(out readBuffer, out senseBuf, 0, false, true, false, badSector, blockSize, 0, 1, false, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
else if(read12)
{
sense = dev.Read12(out readBuffer, out senseBuf, 0, false, false, false, false, (uint)badSector, blockSize, 0, 1, false, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
else if(read10)
{
sense = dev.Read10(out readBuffer, out senseBuf, 0, false, true, false, false, (uint)badSector, blockSize, 0, 1, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
else if(read6)
{
sense = dev.Read6(out readBuffer, out senseBuf, (uint)badSector, blockSize, 1, dev.Timeout, out cmdDuration);
totalDuration += cmdDuration;
}
sense = scsiReader.ReadBlock(out readBuffer, badSector, out cmdDuration);
totalDuration += cmdDuration;
if(!sense && !dev.Error)
{