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Handle errors when dumping SSC.

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This commit is contained in:
Natalia Portillo
2019-05-01 18:56:19 +01:00
parent 1508db82ee
commit a5e8218c20
1 changed files with 251 additions and 69 deletions
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300
DiscImageChef.Core/Devices/Dumping/SSC.cs
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@@ -31,20 +31,15 @@
// ****************************************************************************/
using System;
using System.IO;
using System.Threading;
using System.Xml.Serialization;
using DiscImageChef.CommonTypes;
using DiscImageChef.CommonTypes.Extents;
using DiscImageChef.CommonTypes.Interfaces;
using DiscImageChef.CommonTypes.Metadata;
using DiscImageChef.CommonTypes.Structs;
using DiscImageChef.Core.Logging;
using DiscImageChef.Decoders.SCSI;
using DiscImageChef.Devices;
using Schemas;
using MediaType = DiscImageChef.CommonTypes.MediaType;
using Version = DiscImageChef.CommonTypes.Metadata.Version;
namespace DiscImageChef.Core.Devices.Dumping
{
@@ -399,8 +394,13 @@ namespace DiscImageChef.Core.Devices.Dumping
ExtentsULong extents = null;
ResumeSupport.Process(true, dev.IsRemovable, blocks, dev.Manufacturer, dev.Model, dev.Serial,
dev.PlatformId, ref resume, ref currentTry, ref extents, true);
if(currentTry == null || extents == null)
{
StoppingErrorMessage?.Invoke("Could not process resume file, not continuing...");
return;
}
bool rewind = false;
bool canLocate = true;
if(resume.NextBlock > 0)
{
UpdateStatus?.Invoke($"Positioning tape to block {resume.NextBlock}.");
@@ -417,14 +417,18 @@ namespace DiscImageChef.Core.Devices.Dumping
{
if(!force)
{
dumpLog.WriteLine("Could not check current position, unable to resume. If you want to continue use force.");
StoppingErrorMessage?.Invoke("Could not check current position, unable to resume. If you want to continue use force.");
dumpLog
.WriteLine("Could not check current position, unable to resume. If you want to continue use force.");
StoppingErrorMessage
?.Invoke("Could not check current position, unable to resume. If you want to continue use force.");
}
else
{
dumpLog.WriteLine("Could not check current position, unable to resume. Dumping from the start.");
ErrorMessage?.Invoke("Could not check current position, unable to resume. Dumping from the start.");
rewind = true;
dumpLog
.WriteLine("Could not check current position, unable to resume. Dumping from the start.");
ErrorMessage
?.Invoke("Could not check current position, unable to resume. Dumping from the start.");
canLocate = false;
}
}
else
@@ -435,14 +439,18 @@ namespace DiscImageChef.Core.Devices.Dumping
{
if(!force)
{
dumpLog.WriteLine("Current position is not as expected, unable to resume. If you want to continue use force.");
StoppingErrorMessage?.Invoke("Current position is not as expected, unable to resume. If you want to continue use force.");
dumpLog
.WriteLine("Current position is not as expected, unable to resume. If you want to continue use force.");
StoppingErrorMessage
?.Invoke("Current position is not as expected, unable to resume. If you want to continue use force.");
}
else
{
dumpLog.WriteLine("Current position is not as expected, unable to resume. Dumping from the start.");
ErrorMessage?.Invoke("Current position is not as expected, unable to resume. Dumping from the start.");
rewind = true;
dumpLog
.WriteLine("Current position is not as expected, unable to resume. Dumping from the start.");
ErrorMessage
?.Invoke("Current position is not as expected, unable to resume. Dumping from the start.");
canLocate = false;
}
}
}
@@ -451,14 +459,16 @@ namespace DiscImageChef.Core.Devices.Dumping
{
if(!force)
{
dumpLog.WriteLine("Cannot reposition tape, unable to resume. If you want to continue use force.");
StoppingErrorMessage?.Invoke("Cannot reposition tape, unable to resume. If you want to continue use force.");
dumpLog
.WriteLine("Cannot reposition tape, unable to resume. If you want to continue use force.");
StoppingErrorMessage
?.Invoke("Cannot reposition tape, unable to resume. If you want to continue use force.");
}
else
{
dumpLog.WriteLine("Cannot reposition tape, unable to resume. Dumping from the start.");
ErrorMessage?.Invoke("Cannot reposition tape, unable to resume. Dumping from the start.");
rewind = true;
canLocate = false;
}
}
}
@@ -474,14 +484,18 @@ namespace DiscImageChef.Core.Devices.Dumping
{
if(!force)
{
dumpLog.WriteLine("Could not check current position, unable to resume. If you want to continue use force.");
StoppingErrorMessage?.Invoke("Could not check current position, unable to resume. If you want to continue use force.");
dumpLog
.WriteLine("Could not check current position, unable to resume. If you want to continue use force.");
StoppingErrorMessage
?.Invoke("Could not check current position, unable to resume. If you want to continue use force.");
}
else
{
dumpLog.WriteLine("Could not check current position, unable to resume. Dumping from the start.");
ErrorMessage?.Invoke("Could not check current position, unable to resume. Dumping from the start.");
rewind = true;
dumpLog
.WriteLine("Could not check current position, unable to resume. Dumping from the start.");
ErrorMessage
?.Invoke("Could not check current position, unable to resume. Dumping from the start.");
canLocate = false;
}
}
else
@@ -492,14 +506,18 @@ namespace DiscImageChef.Core.Devices.Dumping
{
if(!force)
{
dumpLog.WriteLine("Current position is not as expected, unable to resume. If you want to continue use force.");
StoppingErrorMessage?.Invoke("Current position is not as expected, unable to resume. If you want to continue use force.");
dumpLog
.WriteLine("Current position is not as expected, unable to resume. If you want to continue use force.");
StoppingErrorMessage
?.Invoke("Current position is not as expected, unable to resume. If you want to continue use force.");
}
else
{
dumpLog.WriteLine("Current position is not as expected, unable to resume. Dumping from the start.");
ErrorMessage?.Invoke("Current position is not as expected, unable to resume. Dumping from the start.");
rewind = true;
dumpLog
.WriteLine("Current position is not as expected, unable to resume. Dumping from the start.");
ErrorMessage
?.Invoke("Current position is not as expected, unable to resume. Dumping from the start.");
canLocate = false;
}
}
}
@@ -508,20 +526,22 @@ namespace DiscImageChef.Core.Devices.Dumping
{
if(!force)
{
dumpLog.WriteLine("Cannot reposition tape, unable to resume. If you want to continue use force.");
StoppingErrorMessage?.Invoke("Cannot reposition tape, unable to resume. If you want to continue use force.");
dumpLog
.WriteLine("Cannot reposition tape, unable to resume. If you want to continue use force.");
StoppingErrorMessage
?.Invoke("Cannot reposition tape, unable to resume. If you want to continue use force.");
}
else
{
dumpLog.WriteLine("Cannot reposition tape, unable to resume. Dumping from the start.");
ErrorMessage?.Invoke("Cannot reposition tape, unable to resume. Dumping from the start.");
rewind = true;
canLocate = false;
}
}
}
}
if(rewind)
if(!canLocate)
{
do
{
@@ -538,11 +558,10 @@ namespace DiscImageChef.Core.Devices.Dumping
fxSense.Value.ASC != 0x00))
{
StoppingErrorMessage?.Invoke("Drive could not rewind, please correct. Sense follows..." +
Environment.NewLine +
strSense);
Environment.NewLine + strSense);
dumpLog.WriteLine("Drive could not rewind, please correct. Sense follows...");
dumpLog.WriteLine("Device not ready. Sense {0}h ASC {1:X2}h ASCQ {2:X2}h",
fxSense.Value.SenseKey, fxSense.Value.ASC, fxSense.Value.ASCQ);
dumpLog.WriteLine("Device not ready. Sense {0}h ASC {1:X2}h ASCQ {2:X2}h", fxSense.Value.SenseKey,
fxSense.Value.ASC, fxSense.Value.ASCQ);
return;
}
}
@@ -553,7 +572,8 @@ namespace DiscImageChef.Core.Devices.Dumping
{
dumpLog.WriteLine("Error setting output image in tape mode, not continuing.");
dumpLog.WriteLine(outputPlugin.ErrorMessage);
StoppingErrorMessage?.Invoke("Error setting output image in tape mode, not continuing." + Environment.NewLine +
StoppingErrorMessage?.Invoke("Error setting output image in tape mode, not continuing." +
Environment.NewLine +
outputPlugin.ErrorMessage);
return;
}
@@ -581,12 +601,14 @@ namespace DiscImageChef.Core.Devices.Dumping
DateTime timeSpeedStart = DateTime.UtcNow;
ulong currentSpeedSize = 0;
double imageWriteDuration = 0;
InitProgress?.Invoke();
while(currentPartition < totalPartitions)
{
if(aborted)
{
currentTry.Extents = ExtentsConverter.ToMetadata(extents);
UpdateStatus?.Invoke("Aborted!");
dumpLog.WriteLine("Aborted!");
break;
@@ -645,7 +667,8 @@ namespace DiscImageChef.Core.Devices.Dumping
UpdateStatus?.Invoke($"Blocksize changed to {blockSize} bytes at block {currentBlock}");
dumpLog.WriteLine("Blocksize changed to {0} bytes at block {1}", blockSize, currentBlock);
sense = dev.Space(out senseBuf, SscSpaceCodes.LogicalBlock, -1, dev.Timeout, out duration);
sense = dev.Space(out senseBuf, SscSpaceCodes.LogicalBlock, -1, dev.Timeout,
out duration);
totalDuration += duration;
if(sense)
@@ -716,19 +739,34 @@ namespace DiscImageChef.Core.Devices.Dumping
continue;
}
// TODO: Add error recovering for tapes
fxSense = Sense.DecodeFixed(senseBuf, out strSense);
StoppingErrorMessage
?.Invoke($"Drive could not read block. Sense follows...\n{fxSense.Value.SenseKey} {strSense}");
dumpLog.WriteLine("Drive could not read block. Sense follows...");
?.Invoke($"Drive could not read block ${currentBlock}. Sense follows...\n{fxSense.Value.SenseKey} {strSense}");
dumpLog.WriteLine($"Drive could not read block ${currentBlock}. Sense follows...");
dumpLog.WriteLine("Device not ready. Sense {0}h ASC {1:X2}h ASCQ {2:X2}h", fxSense.Value.SenseKey,
fxSense.Value.ASC, fxSense.Value.ASCQ);
return;
}
// TODO: Reset device after X errors
if(stopOnError) return; // TODO: Return more cleanly
// Write empty data
DateTime writeStart = DateTime.Now;
outputPlugin.WriteSector(new byte[blockSize], currentBlock);
imageWriteDuration += (DateTime.Now - writeStart).TotalSeconds;
mhddLog.Write(currentBlock, duration < 500 ? 65535 : duration);
ibgLog.Write(currentBlock, 0);
resume.BadBlocks.Add(currentBlock);
}
else
{
mhddLog.Write(currentBlock, duration);
ibgLog.Write(currentBlock, currentSpeed * 1024);
DateTime writeStart = DateTime.Now;
outputPlugin.WriteSector(cmdBuf, currentBlock);
imageWriteDuration += (DateTime.Now - writeStart).TotalSeconds;
extents.Add(currentBlock, 1, true);
}
currentBlock++;
resume.NextBlock++;
@@ -742,13 +780,165 @@ namespace DiscImageChef.Core.Devices.Dumping
timeSpeedStart = DateTime.UtcNow;
}
EndProgress?.Invoke();
blocks = currentBlock + 1;
end = DateTime.UtcNow;
currentTapeFile.LastBlock = currentBlock - 1;
(outputPlugin as IWritableTapeImage).AddFile(currentTapeFile);
currentTapePartition.LastBlock = currentBlock - 1;
(outputPlugin as IWritableTapeImage).AddPartition(currentTapePartition);
EndProgress?.Invoke();
mhddLog.Close();
ibgLog.Close(dev, blocks, blockSize, (end - start).TotalSeconds, currentSpeed * 1024,
blockSize * (double)(blocks + 1) / 1024 / (totalDuration / 1000),
devicePath);
UpdateStatus?.Invoke($"Dump finished in {(end - start).TotalSeconds} seconds.");
UpdateStatus
?.Invoke($"Average dump speed {(double)blockSize * (double)(blocks + 1) / 1024 / (totalDuration / 1000):F3} KiB/sec.");
UpdateStatus
?.Invoke($"Average write speed {(double)blockSize * (double)(blocks + 1) / 1024 / imageWriteDuration:F3} KiB/sec.");
dumpLog.WriteLine("Dump finished in {0} seconds.", (end - start).TotalSeconds);
dumpLog.WriteLine("Average dump speed {0:F3} KiB/sec.",
(double)blockSize * (double)(blocks + 1) / 1024 / (totalDuration / 1000));
dumpLog.WriteLine("Average write speed {0:F3} KiB/sec.",
(double)blockSize * (double)(blocks + 1) / 1024 / imageWriteDuration);
#region Error handling
if(resume.BadBlocks.Count > 0 && !aborted && retryPasses > 0 && canLocate)
{
int pass = 1;
bool forward = false;
bool runningPersistent = false;
Modes.ModePage? currentModePage = null;
byte[] md6;
byte[] md10;
if(persistent)
{
// TODO: Implement persistent
}
InitProgress?.Invoke();
repeatRetry:
ulong[] tmpArray = resume.BadBlocks.ToArray();
foreach(ulong badBlock in tmpArray)
{
if(aborted)
{
currentTry.Extents = ExtentsConverter.ToMetadata(extents);
UpdateStatus?.Invoke("Aborted!");
dumpLog.WriteLine("Aborted!");
break;
}
PulseProgress?.Invoke(string.Format("Retrying block {0}, pass {1}, {3}{2}", badBlock, pass,
forward ? "forward" : "reverse",
runningPersistent ? "recovering partial data, " : ""));
UpdateStatus?.Invoke($"Positioning tape to block {badBlock}.");
dumpLog.WriteLine($"Positioning tape to block {badBlock}.");
if(badBlock > uint.MaxValue)
{
sense = dev.Locate16(out senseBuf, resume.NextBlock, dev.Timeout, out _);
if(!sense)
{
sense = dev.ReadPositionLong(out cmdBuf, out senseBuf, dev.Timeout, out _);
if(sense)
{
dumpLog.WriteLine("Could not check current position, continuing.");
StoppingErrorMessage?.Invoke("Could not check current position, continuing.");
continue;
}
ulong position = Swapping.Swap(BitConverter.ToUInt64(cmdBuf, 8));
if(position != resume.NextBlock)
{
dumpLog.WriteLine("Current position is not as expected, continuing.");
StoppingErrorMessage?.Invoke("Current position is not as expected, continuing.");
continue;
}
}
else
{
dumpLog.WriteLine($"Cannot position tape to block {badBlock}.");
ErrorMessage?.Invoke($"Cannot position tape to block {badBlock}.");
continue;
}
}
else
{
sense = dev.Locate(out senseBuf, (uint)resume.NextBlock, dev.Timeout, out _);
if(!sense)
{
sense = dev.ReadPosition(out cmdBuf, out senseBuf, dev.Timeout, out _);
if(sense)
{
dumpLog.WriteLine("Could not check current position, continuing.");
StoppingErrorMessage?.Invoke("Could not check current position, continuing.");
continue;
}
ulong position = Swapping.Swap(BitConverter.ToUInt32(cmdBuf, 4));
if(position != resume.NextBlock)
{
dumpLog.WriteLine("Current position is not as expected, continuing.");
StoppingErrorMessage?.Invoke("Current position is not as expected, continuing.");
continue;
}
}
else
{
dumpLog.WriteLine($"Cannot position tape to block {badBlock}.");
ErrorMessage?.Invoke($"Cannot position tape to block {badBlock}.");
continue;
}
}
sense = dev.Read6(out cmdBuf, out senseBuf, false, fixedLen, transferLen, blockSize, dev.Timeout,
out duration);
totalDuration += duration;
if(!sense && !dev.Error)
{
resume.BadBlocks.Remove(badBlock);
extents.Add(badBlock);
outputPlugin.WriteSector(cmdBuf, badBlock);
UpdateStatus?.Invoke($"Correctly retried block {badBlock} in pass {pass}.");
dumpLog.WriteLine("Correctly retried block {0} in pass {1}.", badBlock, pass);
}
else if(runningPersistent) outputPlugin.WriteSector(cmdBuf, badBlock);
}
if(pass < retryPasses && !aborted && resume.BadBlocks.Count > 0)
{
pass++;
forward = !forward;
resume.BadBlocks.Sort();
resume.BadBlocks.Reverse();
goto repeatRetry;
}
if(runningPersistent && currentModePage.HasValue)
{
// TODO: Persistent mode
}
EndProgress?.Invoke();
}
#endregion Error handling
resume.BadBlocks.Sort();
foreach(ulong bad in resume.BadBlocks) dumpLog.WriteLine("Block {0} could not be read.", bad);
currentTry.Extents = ExtentsConverter.ToMetadata(extents);
outputPlugin.SetDumpHardware(resume.Tries);
if(preSidecar != null) outputPlugin.SetCicmMetadata(preSidecar);
dumpLog.WriteLine("Closing output file.");
@@ -759,20 +949,12 @@ namespace DiscImageChef.Core.Devices.Dumping
UpdateStatus?.Invoke($"Closed in {(closeEnd - closeStart).TotalSeconds} seconds.");
dumpLog.WriteLine("Closed in {0} seconds.", (closeEnd - closeStart).TotalSeconds);
blocks = currentBlock + 1;
end = DateTime.UtcNow;
mhddLog.Close();
ibgLog.Close(dev, blocks, blockSize, (end - start).TotalSeconds, currentSpeed * 1024,
blockSize * (double)(blocks + 1) / 1024 / (totalDuration / 1000),
devicePath);
dumpLog.WriteLine("Dump finished in {0} seconds.", (end - start).TotalSeconds);
dumpLog.WriteLine("Average dump speed {0:F3} KiB/sec.",
(double)blockSize * (double)(blocks + 1) / 1024 / (totalDuration / 1000));
UpdateStatus
?.Invoke($"Average speed: {(double)blockSize * (double)(blocks + 1) / 1048576 / (totalDuration / 1000):F3} MiB/sec.");
UpdateStatus?.Invoke($"Fastest speed burst: {maxSpeed:F3} MiB/sec.");
UpdateStatus?.Invoke($"Slowest speed burst: {minSpeed:F3} MiB/sec.");
if(aborted)
{
UpdateStatus?.Invoke("Aborted!");
dumpLog.WriteLine("Aborted!");
return;
}
// TODO: Media sidecar