Ejemplo n.º 1
0
        void DumpUmd()
        {
            const uint      BLOCK_SIZE    = 2048;
            const MediaType DSK_TYPE      = MediaType.UMD;
            uint            blocksToRead  = 16;
            double          totalDuration = 0;
            double          currentSpeed  = 0;
            double          maxSpeed      = double.MinValue;
            double          minSpeed      = double.MaxValue;
            DateTime        start;
            DateTime        end;

            bool sense = _dev.Read12(out byte[] readBuffer, out _, 0, false, true, false, false, 0, 512, 0, 1, false,
                                     _dev.Timeout, out _);

            if (sense)
            {
                _dumpLog.WriteLine("Could not read...");
                StoppingErrorMessage?.Invoke("Could not read...");

                return;
            }

            ushort fatStart      = (ushort)((readBuffer[0x0F] << 8) + readBuffer[0x0E]);
            ushort sectorsPerFat = (ushort)((readBuffer[0x17] << 8) + readBuffer[0x16]);
            ushort rootStart     = (ushort)((sectorsPerFat * 2) + fatStart);
            ushort rootSize      = (ushort)((((readBuffer[0x12] << 8) + readBuffer[0x11]) * 32) / 512);
            ushort umdStart      = (ushort)(rootStart + rootSize);

            UpdateStatus?.Invoke($"Reading root directory in sector {rootStart}...");
            _dumpLog.WriteLine("Reading root directory in sector {0}...", rootStart);

            sense = _dev.Read12(out readBuffer, out _, 0, false, true, false, false, rootStart, 512, 0, 1, false,
                                _dev.Timeout, out _);

            if (sense)
            {
                _dumpLog.WriteLine("Could not read...");
                StoppingErrorMessage?.Invoke("Could not read...");

                return;
            }

            uint   umdSizeInBytes  = BitConverter.ToUInt32(readBuffer, 0x3C);
            ulong  blocks          = umdSizeInBytes / BLOCK_SIZE;
            string mediaPartNumber = Encoding.ASCII.GetString(readBuffer, 0, 11).Trim();

            UpdateStatus?.
            Invoke($"Media has {blocks} blocks of {BLOCK_SIZE} bytes/each. (for a total of {blocks * (ulong)BLOCK_SIZE} bytes)");

            UpdateStatus?.Invoke($"Device reports {blocks} blocks ({blocks * BLOCK_SIZE} bytes).");
            UpdateStatus?.Invoke($"Device can read {blocksToRead} blocks at a time.");
            UpdateStatus?.Invoke($"Device reports {BLOCK_SIZE} bytes per logical block.");
            UpdateStatus?.Invoke($"Device reports {2048} bytes per physical block.");
            UpdateStatus?.Invoke($"SCSI device type: {_dev.ScsiType}.");
            UpdateStatus?.Invoke($"Media identified as {DSK_TYPE}.");
            UpdateStatus?.Invoke($"Media part number is {mediaPartNumber}.");
            _dumpLog.WriteLine("Device reports {0} blocks ({1} bytes).", blocks, blocks * BLOCK_SIZE);
            _dumpLog.WriteLine("Device can read {0} blocks at a time.", blocksToRead);
            _dumpLog.WriteLine("Device reports {0} bytes per logical block.", BLOCK_SIZE);
            _dumpLog.WriteLine("Device reports {0} bytes per physical block.", 2048);
            _dumpLog.WriteLine("SCSI device type: {0}.", _dev.ScsiType);
            _dumpLog.WriteLine("Media identified as {0}.", DSK_TYPE);
            _dumpLog.WriteLine("Media part number is {0}.", mediaPartNumber);

            bool ret;

            var mhddLog = new MhddLog(_outputPrefix + ".mhddlog.bin", _dev, blocks, BLOCK_SIZE, blocksToRead, _private);
            var ibgLog  = new IbgLog(_outputPrefix + ".ibg", 0x0010);

            ret = _outputPlugin.Create(_outputPath, DSK_TYPE, _formatOptions, blocks, BLOCK_SIZE);

            // Cannot create image
            if (!ret)
            {
                _dumpLog.WriteLine("Error creating output image, not continuing.");
                _dumpLog.WriteLine(_outputPlugin.ErrorMessage);

                StoppingErrorMessage?.Invoke("Error creating output image, not continuing." + Environment.NewLine +
                                             _outputPlugin.ErrorMessage);

                return;
            }

            start = DateTime.UtcNow;
            double imageWriteDuration = 0;

            (_outputPlugin as IWritableOpticalImage).SetTracks(new List <Track>
            {
                new Track
                {
                    TrackBytesPerSector    = (int)BLOCK_SIZE, TrackEndSector = blocks - 1, TrackSequence = 1,
                    TrackRawBytesPerSector = (int)BLOCK_SIZE, TrackSubchannelType = TrackSubchannelType.None,
                    TrackSession           = 1, TrackType = TrackType.Data
                }
            });

            DumpHardwareType currentTry = null;
            ExtentsULong     extents    = null;

            ResumeSupport.Process(true, _dev.IsRemovable, blocks, _dev.Manufacturer, _dev.Model, _dev.Serial,
                                  _dev.PlatformId, ref _resume, ref currentTry, ref extents, _dev.FirmwareRevision,
                                  _private);

            if (currentTry == null ||
                extents == null)
            {
                StoppingErrorMessage?.Invoke("Could not process resume file, not continuing...");

                return;
            }

            if (_resume.NextBlock > 0)
            {
                _dumpLog.WriteLine("Resuming from block {0}.", _resume.NextBlock);
            }

            bool newTrim = false;

            DateTime timeSpeedStart   = DateTime.UtcNow;
            ulong    sectorSpeedStart = 0;

            InitProgress?.Invoke();

            for (ulong i = _resume.NextBlock; i < blocks; i += blocksToRead)
            {
                if (_aborted)
                {
                    currentTry.Extents = ExtentsConverter.ToMetadata(extents);
                    UpdateStatus?.Invoke("Aborted!");
                    _dumpLog.WriteLine("Aborted!");

                    break;
                }

                if (blocks - i < blocksToRead)
                {
                    blocksToRead = (uint)(blocks - i);
                }

                #pragma warning disable RECS0018 // Comparison of floating point numbers with equality operator
                if (currentSpeed > maxSpeed &&
                    currentSpeed != 0)
                {
                    maxSpeed = currentSpeed;
                }

                if (currentSpeed < minSpeed &&
                    currentSpeed != 0)
                {
                    minSpeed = currentSpeed;
                }
                #pragma warning restore RECS0018 // Comparison of floating point numbers with equality operator

                UpdateProgress?.Invoke($"Reading sector {i} of {blocks} ({currentSpeed:F3} MiB/sec.)", (long)i,
                                       (long)blocks);

                sense = _dev.Read12(out readBuffer, out _, 0, false, true, false, false, (uint)(umdStart + (i * 4)),
                                    512, 0, blocksToRead * 4, false, _dev.Timeout, out double cmdDuration);

                totalDuration += cmdDuration;

                if (!sense &&
                    !_dev.Error)
                {
                    mhddLog.Write(i, cmdDuration);
                    ibgLog.Write(i, currentSpeed * 1024);
                    DateTime writeStart = DateTime.Now;
                    _outputPlugin.WriteSectors(readBuffer, i, blocksToRead);
                    imageWriteDuration += (DateTime.Now - writeStart).TotalSeconds;
                    extents.Add(i, blocksToRead, true);
                }
                else
                {
                    // TODO: Reset device after X errors
                    if (_stopOnError)
                    {
                        return; // TODO: Return more cleanly
                    }
                    if (i + _skip > blocks)
                    {
                        _skip = (uint)(blocks - i);
                    }

                    // Write empty data
                    DateTime writeStart = DateTime.Now;
                    _outputPlugin.WriteSectors(new byte[BLOCK_SIZE * _skip], i, _skip);
                    imageWriteDuration += (DateTime.Now - writeStart).TotalSeconds;

                    for (ulong b = i; b < i + _skip; b++)
                    {
                        _resume.BadBlocks.Add(b);
                    }

                    mhddLog.Write(i, cmdDuration < 500 ? 65535 : cmdDuration);

                    ibgLog.Write(i, 0);
                    _dumpLog.WriteLine("Skipping {0} blocks from errored block {1}.", _skip, i);
                    i      += _skip - blocksToRead;
                    newTrim = true;
                }

                sectorSpeedStart += blocksToRead;
                _resume.NextBlock = i + blocksToRead;

                double elapsed = (DateTime.UtcNow - timeSpeedStart).TotalSeconds;

                if (elapsed < 1)
                {
                    continue;
                }

                currentSpeed     = (sectorSpeedStart * BLOCK_SIZE) / (1048576 * elapsed);
                sectorSpeedStart = 0;
                timeSpeedStart   = DateTime.UtcNow;
            }

            end = DateTime.UtcNow;
            EndProgress?.Invoke();
            mhddLog.Close();

            ibgLog.Close(_dev, blocks, BLOCK_SIZE, (end - start).TotalSeconds, currentSpeed * 1024,
                         (BLOCK_SIZE * (double)(blocks + 1)) / 1024 / (totalDuration / 1000), _devicePath);

            UpdateStatus?.Invoke($"Dump finished in {(end - start).TotalSeconds} seconds.");

            UpdateStatus?.
            Invoke($"Average dump speed {((double)BLOCK_SIZE * (double)(blocks + 1)) / 1024 / (totalDuration / 1000):F3} KiB/sec.");

            UpdateStatus?.
            Invoke($"Average write speed {((double)BLOCK_SIZE * (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)BLOCK_SIZE * (double)(blocks + 1)) / 1024 / (totalDuration / 1000));

            _dumpLog.WriteLine("Average write speed {0:F3} KiB/sec.",
                               ((double)BLOCK_SIZE * (double)(blocks + 1)) / 1024 / imageWriteDuration);

            #region Trimming
            if (_resume.BadBlocks.Count > 0 &&
                !_aborted &&
                _trim &&
                newTrim)
            {
                start = DateTime.UtcNow;
                _dumpLog.WriteLine("Trimming skipped sectors");

                ulong[] tmpArray = _resume.BadBlocks.ToArray();
                InitProgress?.Invoke();

                foreach (ulong badSector in tmpArray)
                {
                    if (_aborted)
                    {
                        currentTry.Extents = ExtentsConverter.ToMetadata(extents);
                        _dumpLog.WriteLine("Aborted!");

                        break;
                    }

                    PulseProgress?.Invoke($"Trimming sector {badSector}");

                    sense = _dev.Read12(out readBuffer, out _, 0, false, true, false, false,
                                        (uint)(umdStart + (badSector * 4)), 512, 0, 4, false, _dev.Timeout,
                                        out double cmdDuration);

                    if (sense || _dev.Error)
                    {
                        continue;
                    }

                    _resume.BadBlocks.Remove(badSector);
                    extents.Add(badSector);
                    _outputPlugin.WriteSector(readBuffer, badSector);
                }

                EndProgress?.Invoke();
                end = DateTime.UtcNow;
                _dumpLog.WriteLine("Trimmming finished in {0} seconds.", (end - start).TotalSeconds);
            }
            #endregion Trimming

            #region Error handling
            if (_resume.BadBlocks.Count > 0 &&
                !_aborted &&
                _retryPasses > 0)
            {
                int  pass              = 1;
                bool forward           = true;
                bool runningPersistent = false;

                Modes.ModePage?currentModePage = null;
                byte[]         md6;

                if (_persistent)
                {
                    Modes.ModePage_01 pg;

                    sense = _dev.ModeSense6(out readBuffer, out _, false, ScsiModeSensePageControl.Current, 0x01,
                                            _dev.Timeout, out _);

                    if (!sense)
                    {
                        Modes.DecodedMode?dcMode6 = Modes.DecodeMode6(readBuffer, _dev.ScsiType);

                        if (dcMode6.HasValue)
                        {
                            foreach (Modes.ModePage modePage in dcMode6.Value.Pages)
                            {
                                if (modePage.Page == 0x01 &&
                                    modePage.Subpage == 0x00)
                                {
                                    currentModePage = modePage;
                                }
                            }
                        }
                    }

                    if (currentModePage == null)
                    {
                        pg = new Modes.ModePage_01
                        {
                            PS  = false, AWRE = true, ARRE = true, TB = false,
                            RC  = false, EER = true, PER = false, DTE = true,
                            DCR = false, ReadRetryCount = 32
                        };

                        currentModePage = new Modes.ModePage
                        {
                            Page = 0x01, Subpage = 0x00, PageResponse = Modes.EncodeModePage_01(pg)
                        };
                    }

                    pg = new Modes.ModePage_01
                    {
                        PS  = false, AWRE = false, ARRE = false, TB = true,
                        RC  = false, EER = true, PER = false, DTE = false,
                        DCR = false, ReadRetryCount = 255
                    };

                    var md = new Modes.DecodedMode
                    {
                        Header = new Modes.ModeHeader(), Pages = new[]
                        {
                            new Modes.ModePage
                            {
                                Page = 0x01, Subpage = 0x00, PageResponse = Modes.EncodeModePage_01(pg)
                            }
                        }
                    };

                    md6 = Modes.EncodeMode6(md, _dev.ScsiType);

                    _dumpLog.WriteLine("Sending MODE SELECT to drive (return damaged blocks).");
                    sense = _dev.ModeSelect(md6, out byte[] senseBuf, true, false, _dev.Timeout, out _);

                    if (sense)
                    {
                        UpdateStatus?.
                        Invoke("Drive did not accept MODE SELECT command for persistent error reading, try another drive.");

                        AaruConsole.DebugWriteLine("Error: {0}", Sense.PrettifySense(senseBuf));

                        _dumpLog.
                        WriteLine("Drive did not accept MODE SELECT command for persistent error reading, try another drive.");
                    }
                    else
                    {
                        runningPersistent = true;
                    }
                }

                InitProgress?.Invoke();
repeatRetry:
                ulong[] tmpArray = _resume.BadBlocks.ToArray();

                foreach (ulong badSector in tmpArray)
                {
                    if (_aborted)
                    {
                        currentTry.Extents = ExtentsConverter.ToMetadata(extents);
                        _dumpLog.WriteLine("Aborted!");

                        break;
                    }

                    PulseProgress?.
                    Invoke($"Retrying sector {badSector}, pass {pass}, {(runningPersistent ? "recovering partial data, " : "")}{(forward ? "forward" : "reverse")}");

                    sense = _dev.Read12(out readBuffer, out _, 0, false, true, false, false,
                                        (uint)(umdStart + (badSector * 4)), 512, 0, 4, false, _dev.Timeout,
                                        out double cmdDuration);

                    totalDuration += cmdDuration;

                    if (!sense &&
                        !_dev.Error)
                    {
                        _resume.BadBlocks.Remove(badSector);
                        extents.Add(badSector);
                        _outputPlugin.WriteSector(readBuffer, badSector);

                        UpdateStatus?.Invoke(string.Format("Correctly retried block {0} in pass {1}.", badSector,
                                                           pass));

                        _dumpLog.WriteLine("Correctly retried block {0} in pass {1}.", badSector, pass);
                    }
                    else if (runningPersistent)
                    {
                        _outputPlugin.WriteSector(readBuffer, badSector);
                    }
                }

                if (pass < _retryPasses &&
                    !_aborted &&
                    _resume.BadBlocks.Count > 0)
                {
                    pass++;
                    forward = !forward;
                    _resume.BadBlocks.Sort();

                    if (!forward)
                    {
                        _resume.BadBlocks.Reverse();
                    }

                    goto repeatRetry;
                }

                if (runningPersistent && currentModePage.HasValue)
                {
                    var md = new Modes.DecodedMode
                    {
                        Header = new Modes.ModeHeader(), Pages = new[]
                        {
                            currentModePage.Value
                        }
                    };

                    md6 = Modes.EncodeMode6(md, _dev.ScsiType);

                    _dumpLog.WriteLine("Sending MODE SELECT to drive (return device to previous status).");
                    sense = _dev.ModeSelect(md6, out _, true, false, _dev.Timeout, out _);
                }

                EndProgress?.Invoke();
                AaruConsole.WriteLine();
            }
            #endregion Error handling

            _resume.BadBlocks.Sort();

            foreach (ulong bad in _resume.BadBlocks)
            {
                _dumpLog.WriteLine("Sector {0} could not be read.", bad);
            }

            currentTry.Extents = ExtentsConverter.ToMetadata(extents);

            var metadata = new CommonTypes.Structs.ImageInfo
            {
                Application = "Aaru", ApplicationVersion = Version.GetVersion(), MediaPartNumber = mediaPartNumber
            };

            if (!_outputPlugin.SetMetadata(metadata))
            {
                ErrorMessage?.Invoke("Error {0} setting metadata, continuing..." + Environment.NewLine +
                                     _outputPlugin.ErrorMessage);
            }

            _outputPlugin.SetDumpHardware(_resume.Tries);

            if (_preSidecar != null)
            {
                _outputPlugin.SetCicmMetadata(_preSidecar);
            }

            _dumpLog.WriteLine("Closing output file.");
            UpdateStatus?.Invoke("Closing output file.");
            DateTime closeStart = DateTime.Now;
            _outputPlugin.Close();
            DateTime closeEnd = DateTime.Now;
            _dumpLog.WriteLine("Closed in {0} seconds.", (closeEnd - closeStart).TotalSeconds);

            if (_aborted)
            {
                UpdateStatus?.Invoke("Aborted!");
                _dumpLog.WriteLine("Aborted!");

                return;
            }

            double totalChkDuration = 0;

            if (_metadata)
            {
                WriteOpticalSidecar(BLOCK_SIZE, blocks, DSK_TYPE, null, null, 1, out totalChkDuration, null);
            }

            UpdateStatus?.Invoke("");

            UpdateStatus?.
            Invoke($"Took a total of {(end - start).TotalSeconds:F3} seconds ({totalDuration / 1000:F3} processing commands, {totalChkDuration / 1000:F3} checksumming, {imageWriteDuration:F3} writing, {(closeEnd - closeStart).TotalSeconds:F3} closing).");

            UpdateStatus?.
            Invoke($"Average speed: {((double)BLOCK_SIZE * (double)(blocks + 1)) / 1048576 / (totalDuration / 1000):F3} MiB/sec.");

            if (maxSpeed > 0)
            {
                UpdateStatus?.Invoke($"Fastest speed burst: {maxSpeed:F3} MiB/sec.");
            }

            if (minSpeed > 0 &&
                minSpeed < double.MaxValue)
            {
                UpdateStatus?.Invoke($"Slowest speed burst: {minSpeed:F3} MiB/sec.");
            }

            UpdateStatus?.Invoke($"{_resume.BadBlocks.Count} sectors could not be read.");
            UpdateStatus?.Invoke("");

            Statistics.AddMedia(DSK_TYPE, true);
        }
Ejemplo n.º 2
0
        /// <summary>Dumps a MiniDisc Data device</summary>
        internal void MiniDisc()
        {
            bool         sense;
            byte         scsiMediumType = 0;
            const ushort sbcProfile     = 0x0001;
            DateTime     start;
            DateTime     end;
            double       totalDuration = 0;
            double       currentSpeed  = 0;
            double       maxSpeed      = double.MinValue;
            double       minSpeed      = double.MaxValue;

            byte[]            readBuffer;
            Modes.DecodedMode?decMode = null;
            Dictionary <MediaTagType, byte[]> mediaTags = new Dictionary <MediaTagType, byte[]>();

            byte[] cmdBuf;
            bool   ret;

            _dumpLog.WriteLine("Initializing reader.");
            var   scsiReader = new Reader(_dev, _dev.Timeout, null);
            ulong blocks     = scsiReader.GetDeviceBlocks();
            uint  blockSize  = scsiReader.LogicalBlockSize;

            _dumpLog.WriteLine("Requesting MODE SENSE (6).");
            UpdateStatus?.Invoke("Requesting MODE SENSE (6).");

            sense = _dev.ModeSense6(out cmdBuf, out _, true, ScsiModeSensePageControl.Current, 0x3F, 5, out _);

            if (!sense &&
                !_dev.Error &&
                Modes.DecodeMode6(cmdBuf, _dev.ScsiType).HasValue)
            {
                decMode = Modes.DecodeMode6(cmdBuf, _dev.ScsiType);
            }

            if (decMode.HasValue)
            {
                scsiMediumType = (byte)decMode.Value.Header.MediumType;
            }

            if (blockSize != 2048)
            {
                _dumpLog.WriteLine("MiniDisc albums, NetMD discs or user-written audio MiniDisc cannot be dumped.");

                StoppingErrorMessage?.
                Invoke("MiniDisc albums, NetMD discs or user-written audio MiniDisc cannot be dumped.");

                return;
            }

            MediaType dskType = MediaType.MDData;

            if (scsiReader.FindReadCommand())
            {
                _dumpLog.WriteLine("ERROR: Cannot find correct read command: {0}.", scsiReader.ErrorMessage);
                StoppingErrorMessage?.Invoke("Unable to read medium.");

                return;
            }

            if (blocks != 0 &&
                blockSize != 0)
            {
                blocks++;

                UpdateStatus?.
                Invoke($"Media has {blocks} blocks of {blockSize} bytes/each. (for a total of {blocks * (ulong)blockSize} bytes)");
            }

            // Check how many blocks to read, if error show and return
            // 64 works, gets maximum speed (150KiB/s), slow I know...
            if (scsiReader.GetBlocksToRead())
            {
                _dumpLog.WriteLine("ERROR: Cannot get blocks to read: {0}.", scsiReader.ErrorMessage);
                StoppingErrorMessage?.Invoke(scsiReader.ErrorMessage);

                return;
            }

            uint blocksToRead      = scsiReader.BlocksToRead;
            uint logicalBlockSize  = blockSize;
            uint physicalBlockSize = scsiReader.PhysicalBlockSize;

            if (blocks == 0)
            {
                _dumpLog.WriteLine("ERROR: Unable to read medium or empty medium present...");
                StoppingErrorMessage?.Invoke("Unable to read medium or empty medium present...");

                return;
            }

            UpdateStatus?.Invoke($"Device reports {blocks} blocks ({blocks * blockSize} bytes).");
            UpdateStatus?.Invoke($"Device can read {blocksToRead} blocks at a time.");
            UpdateStatus?.Invoke($"Device reports {blockSize} bytes per logical block.");
            UpdateStatus?.Invoke($"Device reports {scsiReader.LongBlockSize} bytes per physical block.");
            UpdateStatus?.Invoke($"SCSI device type: {_dev.ScsiType}.");
            UpdateStatus?.Invoke($"SCSI medium type: {scsiMediumType}.");
            UpdateStatus?.Invoke($"Media identified as {dskType}");

            _dumpLog.WriteLine("Device reports {0} blocks ({1} bytes).", blocks, blocks * blockSize);
            _dumpLog.WriteLine("Device can read {0} blocks at a time.", blocksToRead);
            _dumpLog.WriteLine("Device reports {0} bytes per logical block.", blockSize);
            _dumpLog.WriteLine("Device reports {0} bytes per physical block.", scsiReader.LongBlockSize);
            _dumpLog.WriteLine("SCSI device type: {0}.", _dev.ScsiType);
            _dumpLog.WriteLine("SCSI medium type: {0}.", scsiMediumType);
            _dumpLog.WriteLine("Media identified as {0}.", dskType);

            sense = _dev.MiniDiscGetType(out cmdBuf, out _, _dev.Timeout, out _);

            if (!sense &&
                !_dev.Error)
            {
                mediaTags.Add(MediaTagType.MiniDiscType, cmdBuf);
            }

            sense = _dev.MiniDiscD5(out cmdBuf, out _, _dev.Timeout, out _);

            if (!sense &&
                !_dev.Error)
            {
                mediaTags.Add(MediaTagType.MiniDiscD5, cmdBuf);
            }

            sense = _dev.MiniDiscReadDataTOC(out cmdBuf, out _, _dev.Timeout, out _);

            if (!sense &&
                !_dev.Error)
            {
                mediaTags.Add(MediaTagType.MiniDiscDTOC, cmdBuf);
            }

            var utocMs = new MemoryStream();

            for (uint i = 0; i < 3; i++)
            {
                sense = _dev.MiniDiscReadUserTOC(out cmdBuf, out _, i, _dev.Timeout, out _);

                if (sense || _dev.Error)
                {
                    break;
                }

                utocMs.Write(cmdBuf, 0, 2336);
            }

            if (utocMs.Length > 0)
            {
                mediaTags.Add(MediaTagType.MiniDiscUTOC, utocMs.ToArray());
            }

            ret = true;

            foreach (MediaTagType tag in mediaTags.Keys)
            {
                if (_outputPlugin.SupportedMediaTags.Contains(tag))
                {
                    continue;
                }

                ret = false;
                _dumpLog.WriteLine($"Output format does not support {tag}.");
                ErrorMessage?.Invoke($"Output format does not support {tag}.");
            }

            if (!ret)
            {
                if (_force)
                {
                    _dumpLog.WriteLine("Several media tags not supported, continuing...");
                    ErrorMessage?.Invoke("Several media tags not supported, continuing...");
                }
                else
                {
                    _dumpLog.WriteLine("Several media tags not supported, not continuing...");
                    StoppingErrorMessage?.Invoke("Several media tags not supported, not continuing...");

                    return;
                }
            }

            UpdateStatus?.Invoke($"Reading {blocksToRead} sectors at a time.");
            _dumpLog.WriteLine("Reading {0} sectors at a time.", blocksToRead);

            var mhddLog = new MhddLog(_outputPrefix + ".mhddlog.bin", _dev, blocks, blockSize, blocksToRead, _private);
            var ibgLog  = new IbgLog(_outputPrefix + ".ibg", sbcProfile);

            ret = _outputPlugin.Create(_outputPath, dskType, _formatOptions, blocks, blockSize);

            // Cannot create image
            if (!ret)
            {
                _dumpLog.WriteLine("Error creating output image, not continuing.");
                _dumpLog.WriteLine(_outputPlugin.ErrorMessage);

                StoppingErrorMessage?.Invoke("Error creating output image, not continuing." + Environment.NewLine +
                                             _outputPlugin.ErrorMessage);

                return;
            }

            start = DateTime.UtcNow;
            double imageWriteDuration = 0;

            if (decMode?.Pages != null)
            {
                bool setGeometry = false;

                foreach (Modes.ModePage page in decMode.Value.Pages)
                {
                    if (page.Page == 0x04 &&
                        page.Subpage == 0x00)
                    {
                        Modes.ModePage_04?rigidPage = Modes.DecodeModePage_04(page.PageResponse);

                        if (!rigidPage.HasValue || setGeometry)
                        {
                            continue;
                        }

                        _dumpLog.WriteLine("Setting geometry to {0} cylinders, {1} heads, {2} sectors per track",
                                           rigidPage.Value.Cylinders, rigidPage.Value.Heads,
                                           (uint)(blocks / (rigidPage.Value.Cylinders * rigidPage.Value.Heads)));

                        UpdateStatus?.
                        Invoke($"Setting geometry to {rigidPage.Value.Cylinders} cylinders, {rigidPage.Value.Heads} heads, {(uint)(blocks / (rigidPage.Value.Cylinders * rigidPage.Value.Heads))} sectors per track");

                        _outputPlugin.SetGeometry(rigidPage.Value.Cylinders, rigidPage.Value.Heads,
                                                  (uint)(blocks / (rigidPage.Value.Cylinders * rigidPage.Value.Heads)));

                        setGeometry = true;
                    }
                    else if (page.Page == 0x05 &&
                             page.Subpage == 0x00)
                    {
                        Modes.ModePage_05?flexiblePage = Modes.DecodeModePage_05(page.PageResponse);

                        if (!flexiblePage.HasValue)
                        {
                            continue;
                        }

                        _dumpLog.WriteLine("Setting geometry to {0} cylinders, {1} heads, {2} sectors per track",
                                           flexiblePage.Value.Cylinders, flexiblePage.Value.Heads,
                                           flexiblePage.Value.SectorsPerTrack);

                        UpdateStatus?.
                        Invoke($"Setting geometry to {flexiblePage.Value.Cylinders} cylinders, {flexiblePage.Value.Heads} heads, {flexiblePage.Value.SectorsPerTrack} sectors per track");

                        _outputPlugin.SetGeometry(flexiblePage.Value.Cylinders, flexiblePage.Value.Heads,
                                                  flexiblePage.Value.SectorsPerTrack);

                        setGeometry = true;
                    }
                }
            }

            DumpHardwareType currentTry = null;
            ExtentsULong     extents    = null;

            ResumeSupport.Process(true, _dev.IsRemovable, blocks, _dev.Manufacturer, _dev.Model, _dev.Serial,
                                  _dev.PlatformId, ref _resume, ref currentTry, ref extents, _dev.FirmwareRevision,
                                  _private);

            if (currentTry == null ||
                extents == null)
            {
                StoppingErrorMessage?.Invoke("Could not process resume file, not continuing...");

                return;
            }

            if (_resume.NextBlock > 0)
            {
                UpdateStatus?.Invoke($"Resuming from block {_resume.NextBlock}.");
                _dumpLog.WriteLine("Resuming from block {0}.", _resume.NextBlock);
            }

            bool     newTrim          = false;
            DateTime timeSpeedStart   = DateTime.UtcNow;
            ulong    sectorSpeedStart = 0;

            InitProgress?.Invoke();

            for (ulong i = _resume.NextBlock; i < blocks; i += blocksToRead)
            {
                if (_aborted)
                {
                    currentTry.Extents = ExtentsConverter.ToMetadata(extents);
                    UpdateStatus?.Invoke("Aborted!");
                    _dumpLog.WriteLine("Aborted!");

                    break;
                }

                if (blocks - i < blocksToRead)
                {
                    blocksToRead = (uint)(blocks - i);
                }

                #pragma warning disable RECS0018 // Comparison of floating point numbers with equality operator
                if (currentSpeed > maxSpeed &&
                    currentSpeed != 0)
                {
                    maxSpeed = currentSpeed;
                }

                if (currentSpeed < minSpeed &&
                    currentSpeed != 0)
                {
                    minSpeed = currentSpeed;
                }
                #pragma warning restore RECS0018 // Comparison of floating point numbers with equality operator

                UpdateProgress?.Invoke($"Reading sector {i} of {blocks} ({currentSpeed:F3} MiB/sec.)", (long)i,
                                       (long)blocks);

                sense = _dev.Read6(out readBuffer, out _, (uint)i, blockSize, (byte)blocksToRead, _dev.Timeout,
                                   out double cmdDuration);

                totalDuration += cmdDuration;

                if (!sense &&
                    !_dev.Error)
                {
                    mhddLog.Write(i, cmdDuration);
                    ibgLog.Write(i, currentSpeed * 1024);
                    DateTime writeStart = DateTime.Now;
                    _outputPlugin.WriteSectors(readBuffer, i, blocksToRead);
                    imageWriteDuration += (DateTime.Now - writeStart).TotalSeconds;
                    extents.Add(i, blocksToRead, true);
                }
                else
                {
                    // TODO: Reset device after X errors
                    if (_stopOnError)
                    {
                        return; // TODO: Return more cleanly
                    }
                    if (i + _skip > blocks)
                    {
                        _skip = (uint)(blocks - i);
                    }

                    // Write empty data
                    DateTime writeStart = DateTime.Now;
                    _outputPlugin.WriteSectors(new byte[blockSize * _skip], i, _skip);
                    imageWriteDuration += (DateTime.Now - writeStart).TotalSeconds;

                    for (ulong b = i; b < i + _skip; b++)
                    {
                        _resume.BadBlocks.Add(b);
                    }

                    mhddLog.Write(i, cmdDuration < 500 ? 65535 : cmdDuration);

                    ibgLog.Write(i, 0);
                    _dumpLog.WriteLine("Skipping {0} blocks from errored block {1}.", _skip, i);
                    i      += _skip - blocksToRead;
                    newTrim = true;
                }

                sectorSpeedStart += blocksToRead;
                _resume.NextBlock = i + blocksToRead;

                double elapsed = (DateTime.UtcNow - timeSpeedStart).TotalSeconds;

                if (elapsed < 1)
                {
                    continue;
                }

                currentSpeed     = (sectorSpeedStart * blockSize) / (1048576 * elapsed);
                sectorSpeedStart = 0;
                timeSpeedStart   = DateTime.UtcNow;
            }

            end = DateTime.UtcNow;
            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 Trimming
            if (_resume.BadBlocks.Count > 0 &&
                !_aborted &&
                _trim &&
                newTrim)
            {
                start = DateTime.UtcNow;
                UpdateStatus?.Invoke("Trimming skipped sectors");
                _dumpLog.WriteLine("Trimming skipped sectors");

                ulong[] tmpArray = _resume.BadBlocks.ToArray();
                InitProgress?.Invoke();

                foreach (ulong badSector in tmpArray)
                {
                    if (_aborted)
                    {
                        currentTry.Extents = ExtentsConverter.ToMetadata(extents);
                        UpdateStatus?.Invoke("Aborted!");
                        _dumpLog.WriteLine("Aborted!");

                        break;
                    }

                    PulseProgress?.Invoke($"Trimming sector {badSector}");

                    sense = _dev.Read6(out readBuffer, out _, (uint)badSector, blockSize, 1, _dev.Timeout,
                                       out double cmdDuration);

                    if (sense || _dev.Error)
                    {
                        continue;
                    }

                    _resume.BadBlocks.Remove(badSector);
                    extents.Add(badSector);
                    _outputPlugin.WriteSector(readBuffer, badSector);
                }

                EndProgress?.Invoke();
                end = DateTime.UtcNow;
                UpdateStatus?.Invoke($"Trimming finished in {(end - start).TotalSeconds} seconds.");
                _dumpLog.WriteLine("Trimming finished in {0} seconds.", (end - start).TotalSeconds);
            }
            #endregion Trimming

            #region Error handling
            if (_resume.BadBlocks.Count > 0 &&
                !_aborted &&
                _retryPasses > 0)
            {
                int  pass              = 1;
                bool forward           = true;
                bool runningPersistent = false;

                Modes.ModePage?currentModePage = null;
                byte[]         md6;
                byte[]         md10;

                if (_persistent)
                {
                    Modes.ModePage_01_MMC pgMmc;
                    Modes.ModePage_01     pg;

                    sense = _dev.ModeSense6(out readBuffer, out _, false, ScsiModeSensePageControl.Current, 0x01,
                                            _dev.Timeout, out _);

                    if (!sense)
                    {
                        Modes.DecodedMode?dcMode6 = Modes.DecodeMode6(readBuffer, _dev.ScsiType);

                        if (dcMode6.HasValue &&
                            dcMode6.Value.Pages != null)
                        {
                            foreach (Modes.ModePage modePage in dcMode6.Value.Pages)
                            {
                                if (modePage.Page == 0x01 &&
                                    modePage.Subpage == 0x00)
                                {
                                    currentModePage = modePage;
                                }
                            }
                        }
                    }

                    if (currentModePage == null)
                    {
                        pg = new Modes.ModePage_01
                        {
                            PS  = false, AWRE = true, ARRE = true, TB = false,
                            RC  = false, EER = true, PER = false, DTE = true,
                            DCR = false, ReadRetryCount = 32
                        };

                        currentModePage = new Modes.ModePage
                        {
                            Page = 0x01, Subpage = 0x00, PageResponse = Modes.EncodeModePage_01(pg)
                        };
                    }

                    pg = new Modes.ModePage_01
                    {
                        PS  = false, AWRE = false, ARRE = false, TB = true,
                        RC  = false, EER = true, PER = false, DTE = false,
                        DCR = false, ReadRetryCount = 255
                    };

                    var md = new Modes.DecodedMode
                    {
                        Header = new Modes.ModeHeader(), Pages = new[]
                        {
                            new Modes.ModePage
                            {
                                Page = 0x01, Subpage = 0x00, PageResponse = Modes.EncodeModePage_01(pg)
                            }
                        }
                    };

                    md6 = Modes.EncodeMode6(md, _dev.ScsiType);

                    UpdateStatus?.Invoke("Sending MODE SELECT to drive (return damaged blocks).");
                    _dumpLog.WriteLine("Sending MODE SELECT to drive (return damaged blocks).");
                    sense = _dev.ModeSelect(md6, out byte[] senseBuf, true, false, _dev.Timeout, out _);

                    if (sense)
                    {
                        UpdateStatus?.
                        Invoke("Drive did not accept MODE SELECT command for persistent error reading, try another drive.");

                        AaruConsole.DebugWriteLine("Error: {0}", Sense.PrettifySense(senseBuf));

                        _dumpLog.
                        WriteLine("Drive did not accept MODE SELECT command for persistent error reading, try another drive.");
                    }
                    else
                    {
                        runningPersistent = true;
                    }
                }

                InitProgress?.Invoke();
repeatRetry:
                ulong[] tmpArray = _resume.BadBlocks.ToArray();

                foreach (ulong badSector in tmpArray)
                {
                    if (_aborted)
                    {
                        currentTry.Extents = ExtentsConverter.ToMetadata(extents);
                        UpdateStatus?.Invoke("Aborted!");
                        _dumpLog.WriteLine("Aborted!");

                        break;
                    }

                    PulseProgress?.Invoke(string.Format("Retrying sector {0}, pass {1}, {3}{2}", badSector, pass,
                                                        forward ? "forward" : "reverse",
                                                        runningPersistent ? "recovering partial data, " : ""));

                    sense = _dev.Read6(out readBuffer, out _, (uint)badSector, blockSize, 1, _dev.Timeout,
                                       out double cmdDuration);

                    totalDuration += cmdDuration;

                    if (!sense &&
                        !_dev.Error)
                    {
                        _resume.BadBlocks.Remove(badSector);
                        extents.Add(badSector);
                        _outputPlugin.WriteSector(readBuffer, badSector);
                        UpdateStatus?.Invoke($"Correctly retried block {badSector} in pass {pass}.");
                        _dumpLog.WriteLine("Correctly retried block {0} in pass {1}.", badSector, pass);
                    }
                    else if (runningPersistent)
                    {
                        _outputPlugin.WriteSector(readBuffer, badSector);
                    }
                }

                if (pass < _retryPasses &&
                    !_aborted &&
                    _resume.BadBlocks.Count > 0)
                {
                    pass++;
                    forward = !forward;
                    _resume.BadBlocks.Sort();

                    if (!forward)
                    {
                        _resume.BadBlocks.Reverse();
                    }

                    goto repeatRetry;
                }

                if (runningPersistent && currentModePage.HasValue)
                {
                    var md = new Modes.DecodedMode
                    {
                        Header = new Modes.ModeHeader(), Pages = new[]
                        {
                            currentModePage.Value
                        }
                    };

                    md6 = Modes.EncodeMode6(md, _dev.ScsiType);

                    UpdateStatus?.Invoke("Sending MODE SELECT to drive (return device to previous status).");
                    _dumpLog.WriteLine("Sending MODE SELECT to drive (return device to previous status).");
                    _dev.ModeSelect(md6, out _, true, false, _dev.Timeout, out _);
                }

                EndProgress?.Invoke();
            }
            #endregion Error handling

            _resume.BadBlocks.Sort();

            foreach (ulong bad in _resume.BadBlocks)
            {
                _dumpLog.WriteLine("Sector {0} could not be read.", bad);
            }

            currentTry.Extents = ExtentsConverter.ToMetadata(extents);

            _outputPlugin.SetDumpHardware(_resume.Tries);

            var metadata = new CommonTypes.Structs.ImageInfo
            {
                Application = "Aaru", ApplicationVersion = Version.GetVersion()
            };

            if (!_outputPlugin.SetMetadata(metadata))
            {
                ErrorMessage?.Invoke("Error {0} setting metadata, continuing..." + Environment.NewLine +
                                     _outputPlugin.ErrorMessage);
            }

            if (_preSidecar != null)
            {
                _outputPlugin.SetCicmMetadata(_preSidecar);
            }

            _dumpLog.WriteLine("Closing output file.");
            UpdateStatus?.Invoke("Closing output file.");
            DateTime closeStart = DateTime.Now;
            _outputPlugin.Close();
            DateTime closeEnd = DateTime.Now;
            UpdateStatus?.Invoke($"Closed in {(closeEnd - closeStart).TotalSeconds} seconds.");
            _dumpLog.WriteLine("Closed in {0} seconds.", (closeEnd - closeStart).TotalSeconds);

            if (_aborted)
            {
                UpdateStatus?.Invoke("Aborted!");
                _dumpLog.WriteLine("Aborted!");

                return;
            }

            double totalChkDuration = 0;

            if (_metadata)
            {
                UpdateStatus?.Invoke("Creating sidecar.");
                _dumpLog.WriteLine("Creating sidecar.");
                var         filters     = new FiltersList();
                IFilter     filter      = filters.GetFilter(_outputPath);
                IMediaImage inputPlugin = ImageFormat.Detect(filter);

                if (!inputPlugin.Open(filter))
                {
                    StoppingErrorMessage?.Invoke("Could not open created image.");

                    return;
                }

                DateTime chkStart = DateTime.UtcNow;
                _sidecarClass = new Sidecar(inputPlugin, _outputPath, filter.Id, _encoding);
                _sidecarClass.InitProgressEvent    += InitProgress;
                _sidecarClass.UpdateProgressEvent  += UpdateProgress;
                _sidecarClass.EndProgressEvent     += EndProgress;
                _sidecarClass.InitProgressEvent2   += InitProgress2;
                _sidecarClass.UpdateProgressEvent2 += UpdateProgress2;
                _sidecarClass.EndProgressEvent2    += EndProgress2;
                _sidecarClass.UpdateStatusEvent    += UpdateStatus;
                CICMMetadataType sidecar = _sidecarClass.Create();
                end = DateTime.UtcNow;

                totalChkDuration = (end - chkStart).TotalMilliseconds;
                UpdateStatus?.Invoke($"Sidecar created in {(end - chkStart).TotalSeconds} seconds.");

                UpdateStatus?.
                Invoke($"Average checksum speed {((double)blockSize * (double)(blocks + 1)) / 1024 / (totalChkDuration / 1000):F3} KiB/sec.");

                _dumpLog.WriteLine("Sidecar created in {0} seconds.", (end - chkStart).TotalSeconds);

                _dumpLog.WriteLine("Average checksum speed {0:F3} KiB/sec.",
                                   ((double)blockSize * (double)(blocks + 1)) / 1024 / (totalChkDuration / 1000));

                if (_preSidecar != null)
                {
                    _preSidecar.BlockMedia = sidecar.BlockMedia;
                    sidecar = _preSidecar;
                }

                List <(ulong start, string type)> filesystems = new List <(ulong start, string type)>();

                if (sidecar.BlockMedia[0].FileSystemInformation != null)
                {
                    filesystems.AddRange(from partition in sidecar.BlockMedia[0].FileSystemInformation
                                         where partition.FileSystems != null from fileSystem in partition.FileSystems
                                         select(partition.StartSector, fileSystem.Type));
                }

                if (filesystems.Count > 0)
                {
                    foreach (var filesystem in filesystems.Select(o => new
                    {
                        o.start, o.type
                    }).Distinct())
                    {
                        UpdateStatus?.Invoke($"Found filesystem {filesystem.type} at sector {filesystem.start}");
                        _dumpLog.WriteLine("Found filesystem {0} at sector {1}", filesystem.type, filesystem.start);
                    }
                }

                sidecar.BlockMedia[0].Dimensions     = Dimensions.DimensionsFromMediaType(dskType);
                (string type, string subType)xmlType = CommonTypes.Metadata.MediaType.MediaTypeToString(dskType);
                sidecar.BlockMedia[0].DiskType       = xmlType.type;
                sidecar.BlockMedia[0].DiskSubType    = xmlType.subType;

                if (!_dev.IsRemovable ||
                    _dev.IsUsb)
                {
                    if (_dev.Type == DeviceType.ATAPI)
                    {
                        sidecar.BlockMedia[0].Interface = "ATAPI";
                    }
                    else if (_dev.IsUsb)
                    {
                        sidecar.BlockMedia[0].Interface = "USB";
                    }
                    else if (_dev.IsFireWire)
                    {
                        sidecar.BlockMedia[0].Interface = "FireWire";
                    }
                    else
                    {
                        sidecar.BlockMedia[0].Interface = "SCSI";
                    }
                }

                sidecar.BlockMedia[0].LogicalBlocks     = blocks;
                sidecar.BlockMedia[0].PhysicalBlockSize = physicalBlockSize;
                sidecar.BlockMedia[0].LogicalBlockSize  = logicalBlockSize;
                sidecar.BlockMedia[0].Manufacturer      = _dev.Manufacturer;
                sidecar.BlockMedia[0].Model             = _dev.Model;

                if (!_private)
                {
                    sidecar.BlockMedia[0].Serial = _dev.Serial;
                }

                sidecar.BlockMedia[0].Size = blocks * blockSize;

                if (_dev.IsRemovable)
                {
                    sidecar.BlockMedia[0].DumpHardwareArray = _resume.Tries.ToArray();
                }

                UpdateStatus?.Invoke("Writing metadata sidecar");

                var xmlFs = new FileStream(_outputPrefix + ".cicm.xml", FileMode.Create);

                var xmlSer = new XmlSerializer(typeof(CICMMetadataType));
                xmlSer.Serialize(xmlFs, sidecar);
                xmlFs.Close();
            }

            UpdateStatus?.Invoke("");

            UpdateStatus?.
            Invoke($"Took a total of {(end - start).TotalSeconds:F3} seconds ({totalDuration / 1000:F3} processing commands, {totalChkDuration / 1000:F3} checksumming, {imageWriteDuration:F3} writing, {(closeEnd - closeStart).TotalSeconds:F3} closing).");

            UpdateStatus?.
            Invoke($"Average speed: {((double)blockSize * (double)(blocks + 1)) / 1048576 / (totalDuration / 1000):F3} MiB/sec.");

            if (maxSpeed > 0)
            {
                UpdateStatus?.Invoke($"Fastest speed burst: {maxSpeed:F3} MiB/sec.");
            }

            if (minSpeed > 0 &&
                minSpeed < double.MaxValue)
            {
                UpdateStatus?.Invoke($"Slowest speed burst: {minSpeed:F3} MiB/sec.");
            }

            UpdateStatus?.Invoke($"{_resume.BadBlocks.Count} sectors could not be read.");
            UpdateStatus?.Invoke("");

            Statistics.AddMedia(dskType, true);
        }
Ejemplo n.º 3
0
        void DumpMs()
        {
            const ushort SBC_PROFILE   = 0x0001;
            const uint   BLOCK_SIZE    = 512;
            double       totalDuration = 0;
            double       currentSpeed  = 0;
            double       maxSpeed      = double.MinValue;
            double       minSpeed      = double.MaxValue;
            uint         blocksToRead  = 64;
            DateTime     start;
            DateTime     end;
            MediaType    dskType;
            bool         sense;

            sense = _dev.ReadCapacity(out byte[] readBuffer, out _, _dev.Timeout, out _);

            if (sense)
            {
                _dumpLog.WriteLine("Could not detect capacity...");
                StoppingErrorMessage?.Invoke("Could not detect capacity...");

                return;
            }

            uint blocks = (uint)((readBuffer[0] << 24) + (readBuffer[1] << 16) + (readBuffer[2] << 8) + readBuffer[3]);

            blocks++;

            UpdateStatus?.
            Invoke($"Media has {blocks} blocks of {BLOCK_SIZE} bytes/each. (for a total of {blocks * (ulong)BLOCK_SIZE} bytes)");

            if (blocks == 0)
            {
                _dumpLog.WriteLine("ERROR: Unable to read medium or empty medium present...");
                StoppingErrorMessage?.Invoke("Unable to read medium or empty medium present...");

                return;
            }

            UpdateStatus?.Invoke($"Device reports {blocks} blocks ({blocks * BLOCK_SIZE} bytes).");
            UpdateStatus?.Invoke($"Device can read {blocksToRead} blocks at a time.");
            UpdateStatus?.Invoke($"Device reports {BLOCK_SIZE} bytes per logical block.");
            UpdateStatus?.Invoke($"SCSI device type: {_dev.ScsiType}.");

            if (blocks > 262144)
            {
                dskType = MediaType.MemoryStickProDuo;
                _dumpLog.WriteLine("Media detected as MemoryStick Pro Duo...");
                UpdateStatus?.Invoke("Media detected as MemoryStick Pro Duo...");
            }
            else
            {
                dskType = MediaType.MemoryStickDuo;
                _dumpLog.WriteLine("Media detected as MemoryStick Duo...");
                UpdateStatus?.Invoke("Media detected as MemoryStick Duo...");
            }

            bool ret;

            var mhddLog = new MhddLog(_outputPrefix + ".mhddlog.bin", _dev, blocks, BLOCK_SIZE, blocksToRead, _private);
            var ibgLog  = new IbgLog(_outputPrefix + ".ibg", SBC_PROFILE);

            ret = _outputPlugin.Create(_outputPath, dskType, _formatOptions, blocks, BLOCK_SIZE);

            // Cannot create image
            if (!ret)
            {
                _dumpLog.WriteLine("Error creating output image, not continuing.");
                _dumpLog.WriteLine(_outputPlugin.ErrorMessage);

                StoppingErrorMessage?.Invoke("Error creating output image, not continuing." + Environment.NewLine +
                                             _outputPlugin.ErrorMessage);

                return;
            }

            start = DateTime.UtcNow;
            double imageWriteDuration = 0;

            DumpHardwareType currentTry = null;
            ExtentsULong     extents    = null;

            ResumeSupport.Process(true, _dev.IsRemovable, blocks, _dev.Manufacturer, _dev.Model, _dev.Serial,
                                  _dev.PlatformId, ref _resume, ref currentTry, ref extents, _dev.FirmwareRevision,
                                  _private);

            if (currentTry == null ||
                extents == null)
            {
                StoppingErrorMessage?.Invoke("Could not process resume file, not continuing...");

                return;
            }

            if (_resume.NextBlock > 0)
            {
                _dumpLog.WriteLine("Resuming from block {0}.", _resume.NextBlock);
            }

            bool newTrim = false;

            DateTime timeSpeedStart   = DateTime.UtcNow;
            ulong    sectorSpeedStart = 0;

            InitProgress?.Invoke();

            for (ulong i = _resume.NextBlock; i < blocks; i += blocksToRead)
            {
                if (_aborted)
                {
                    currentTry.Extents = ExtentsConverter.ToMetadata(extents);
                    UpdateStatus?.Invoke("Aborted!");
                    _dumpLog.WriteLine("Aborted!");

                    break;
                }

                if (blocks - i < blocksToRead)
                {
                    blocksToRead = (uint)(blocks - i);
                }

                #pragma warning disable RECS0018 // Comparison of floating point numbers with equality operator
                if (currentSpeed > maxSpeed &&
                    currentSpeed != 0)
                {
                    maxSpeed = currentSpeed;
                }

                if (currentSpeed < minSpeed &&
                    currentSpeed != 0)
                {
                    minSpeed = currentSpeed;
                }
                #pragma warning restore RECS0018 // Comparison of floating point numbers with equality operator

                UpdateProgress?.Invoke($"Reading sector {i} of {blocks} ({currentSpeed:F3} MiB/sec.)", (long)i, blocks);

                sense = _dev.Read12(out readBuffer, out _, 0, false, true, false, false, (uint)i, BLOCK_SIZE, 0,
                                    blocksToRead, false, _dev.Timeout, out double cmdDuration);

                totalDuration += cmdDuration;

                if (!sense &&
                    !_dev.Error)
                {
                    mhddLog.Write(i, cmdDuration);
                    ibgLog.Write(i, currentSpeed * 1024);
                    DateTime writeStart = DateTime.Now;
                    _outputPlugin.WriteSectors(readBuffer, i, blocksToRead);
                    imageWriteDuration += (DateTime.Now - writeStart).TotalSeconds;
                    extents.Add(i, blocksToRead, true);
                }
                else
                {
                    // TODO: Reset device after X errors
                    if (_stopOnError)
                    {
                        return; // TODO: Return more cleanly
                    }
                    if (i + _skip > blocks)
                    {
                        _skip = (uint)(blocks - i);
                    }

                    // Write empty data
                    DateTime writeStart = DateTime.Now;
                    _outputPlugin.WriteSectors(new byte[BLOCK_SIZE * _skip], i, _skip);
                    imageWriteDuration += (DateTime.Now - writeStart).TotalSeconds;

                    for (ulong b = i; b < i + _skip; b++)
                    {
                        _resume.BadBlocks.Add(b);
                    }

                    mhddLog.Write(i, cmdDuration < 500 ? 65535 : cmdDuration);

                    ibgLog.Write(i, 0);
                    _dumpLog.WriteLine("Skipping {0} blocks from errored block {1}.", _skip, i);
                    i      += _skip - blocksToRead;
                    newTrim = true;
                }

                sectorSpeedStart += blocksToRead;
                _resume.NextBlock = i + blocksToRead;

                double elapsed = (DateTime.UtcNow - timeSpeedStart).TotalSeconds;

                if (elapsed < 1)
                {
                    continue;
                }

                currentSpeed     = (sectorSpeedStart * BLOCK_SIZE) / (1048576 * elapsed);
                sectorSpeedStart = 0;
                timeSpeedStart   = DateTime.UtcNow;
            }

            end = DateTime.UtcNow;
            EndProgress?.Invoke();
            mhddLog.Close();

            ibgLog.Close(_dev, blocks, BLOCK_SIZE, (end - start).TotalSeconds, currentSpeed * 1024,
                         (BLOCK_SIZE * (double)(blocks + 1)) / 1024 / (totalDuration / 1000), _devicePath);

            UpdateStatus?.Invoke($"Dump finished in {(end - start).TotalSeconds} seconds.");

            UpdateStatus?.
            Invoke($"Average dump speed {((double)BLOCK_SIZE * (double)(blocks + 1)) / 1024 / (totalDuration / 1000):F3} KiB/sec.");

            UpdateStatus?.
            Invoke($"Average write speed {((double)BLOCK_SIZE * (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)BLOCK_SIZE * (double)(blocks + 1)) / 1024 / (totalDuration / 1000));

            _dumpLog.WriteLine("Average write speed {0:F3} KiB/sec.",
                               ((double)BLOCK_SIZE * (double)(blocks + 1)) / 1024 / imageWriteDuration);

            #region Trimming
            if (_resume.BadBlocks.Count > 0 &&
                !_aborted &&
                _trim &&
                newTrim)
            {
                start = DateTime.UtcNow;
                UpdateStatus?.Invoke("Trimming skipped sectors");
                _dumpLog.WriteLine("Trimming skipped sectors");

                ulong[] tmpArray = _resume.BadBlocks.ToArray();
                InitProgress?.Invoke();

                foreach (ulong badSector in tmpArray)
                {
                    if (_aborted)
                    {
                        currentTry.Extents = ExtentsConverter.ToMetadata(extents);
                        UpdateStatus?.Invoke("Aborted!");
                        _dumpLog.WriteLine("Aborted!");

                        break;
                    }

                    PulseProgress?.Invoke($"Trimming sector {badSector}");

                    sense = _dev.Read12(out readBuffer, out _, 0, false, true, false, false, (uint)badSector,
                                        BLOCK_SIZE, 0, 1, false, _dev.Timeout, out double cmdDuration);

                    if (sense || _dev.Error)
                    {
                        continue;
                    }

                    _resume.BadBlocks.Remove(badSector);
                    extents.Add(badSector);
                    _outputPlugin.WriteSector(readBuffer, badSector);
                }

                EndProgress?.Invoke();
                end = DateTime.UtcNow;
                _dumpLog.WriteLine("Trimmming finished in {0} seconds.", (end - start).TotalSeconds);
            }
            #endregion Trimming

            #region Error handling
            if (_resume.BadBlocks.Count > 0 &&
                !_aborted &&
                _retryPasses > 0)
            {
                int  pass              = 1;
                bool forward           = true;
                bool runningPersistent = false;

                Modes.ModePage?currentModePage = null;
                byte[]         md6;

                if (_persistent)
                {
                    Modes.ModePage_01 pg;

                    sense = _dev.ModeSense6(out readBuffer, out _, false, ScsiModeSensePageControl.Current, 0x01,
                                            _dev.Timeout, out _);

                    if (sense)
                    {
                        sense = _dev.ModeSense10(out readBuffer, out _, false, ScsiModeSensePageControl.Current, 0x01,
                                                 _dev.Timeout, out _);

                        if (!sense)
                        {
                            Modes.DecodedMode?dcMode10 = Modes.DecodeMode10(readBuffer, _dev.ScsiType);

                            if (dcMode10.HasValue)
                            {
                                foreach (Modes.ModePage modePage in dcMode10.Value.Pages)
                                {
                                    if (modePage.Page == 0x01 &&
                                        modePage.Subpage == 0x00)
                                    {
                                        currentModePage = modePage;
                                    }
                                }
                            }
                        }
                    }
                    else
                    {
                        Modes.DecodedMode?dcMode6 = Modes.DecodeMode6(readBuffer, _dev.ScsiType);

                        if (dcMode6.HasValue)
                        {
                            foreach (Modes.ModePage modePage in dcMode6.Value.Pages)
                            {
                                if (modePage.Page == 0x01 &&
                                    modePage.Subpage == 0x00)
                                {
                                    currentModePage = modePage;
                                }
                            }
                        }
                    }

                    if (currentModePage == null)
                    {
                        pg = new Modes.ModePage_01
                        {
                            PS  = false, AWRE = true, ARRE = true, TB = false,
                            RC  = false, EER = true, PER = false, DTE = true,
                            DCR = false, ReadRetryCount = 32
                        };

                        currentModePage = new Modes.ModePage
                        {
                            Page = 0x01, Subpage = 0x00, PageResponse = Modes.EncodeModePage_01(pg)
                        };
                    }

                    pg = new Modes.ModePage_01
                    {
                        PS  = false, AWRE = false, ARRE = false, TB = true,
                        RC  = false, EER = true, PER = false, DTE = false,
                        DCR = false, ReadRetryCount = 255
                    };

                    var md = new Modes.DecodedMode
                    {
                        Header = new Modes.ModeHeader(), Pages = new[]
                        {
                            new Modes.ModePage
                            {
                                Page = 0x01, Subpage = 0x00, PageResponse = Modes.EncodeModePage_01(pg)
                            }
                        }
                    };

                    md6 = Modes.EncodeMode6(md, _dev.ScsiType);

                    UpdateStatus?.Invoke("Sending MODE SELECT to drive (return damaged blocks).");
                    _dumpLog.WriteLine("Sending MODE SELECT to drive (return damaged blocks).");
                    sense = _dev.ModeSelect(md6, out byte[] senseBuf, true, false, _dev.Timeout, out _);

                    if (sense)
                    {
                        UpdateStatus?.
                        Invoke("Drive did not accept MODE SELECT command for persistent error reading, try another drive.");

                        AaruConsole.DebugWriteLine("Error: {0}", Sense.PrettifySense(senseBuf));

                        _dumpLog.
                        WriteLine("Drive did not accept MODE SELECT command for persistent error reading, try another drive.");
                    }
                    else
                    {
                        runningPersistent = true;
                    }
                }

                InitProgress?.Invoke();
repeatRetry:
                ulong[] tmpArray = _resume.BadBlocks.ToArray();

                foreach (ulong badSector in tmpArray)
                {
                    if (_aborted)
                    {
                        currentTry.Extents = ExtentsConverter.ToMetadata(extents);
                        _dumpLog.WriteLine("Aborted!");

                        break;
                    }

                    PulseProgress?.Invoke(string.Format("Retrying sector {0}, pass {1}, {3}{2}", badSector, pass,
                                                        forward ? "forward" : "reverse",
                                                        runningPersistent ? "recovering partial data, " : ""));

                    sense = _dev.Read12(out readBuffer, out _, 0, false, true, false, false, (uint)badSector,
                                        BLOCK_SIZE, 0, 1, false, _dev.Timeout, out double cmdDuration);

                    totalDuration += cmdDuration;

                    if (!sense &&
                        !_dev.Error)
                    {
                        _resume.BadBlocks.Remove(badSector);
                        extents.Add(badSector);
                        _outputPlugin.WriteSector(readBuffer, badSector);
                        UpdateStatus?.Invoke($"Correctly retried block {badSector} in pass {pass}.");
                        _dumpLog.WriteLine("Correctly retried block {0} in pass {1}.", badSector, pass);
                    }
                    else if (runningPersistent)
                    {
                        _outputPlugin.WriteSector(readBuffer, badSector);
                    }
                }

                if (pass < _retryPasses &&
                    !_aborted &&
                    _resume.BadBlocks.Count > 0)
                {
                    pass++;
                    forward = !forward;
                    _resume.BadBlocks.Sort();

                    if (!forward)
                    {
                        _resume.BadBlocks.Reverse();
                    }

                    goto repeatRetry;
                }

                if (runningPersistent && currentModePage.HasValue)
                {
                    var md = new Modes.DecodedMode
                    {
                        Header = new Modes.ModeHeader(), Pages = new[]
                        {
                            currentModePage.Value
                        }
                    };

                    md6 = Modes.EncodeMode6(md, _dev.ScsiType);

                    UpdateStatus?.Invoke("Sending MODE SELECT to drive (return device to previous status).");
                    _dumpLog.WriteLine("Sending MODE SELECT to drive (return device to previous status).");
                    sense = _dev.ModeSelect(md6, out _, true, false, _dev.Timeout, out _);
                }

                EndProgress?.Invoke();
            }
            #endregion Error handling

            _resume.BadBlocks.Sort();

            foreach (ulong bad in _resume.BadBlocks)
            {
                _dumpLog.WriteLine("Sector {0} could not be read.", bad);
            }

            currentTry.Extents = ExtentsConverter.ToMetadata(extents);

            var metadata = new CommonTypes.Structs.ImageInfo
            {
                Application = "Aaru", ApplicationVersion = Version.GetVersion()
            };

            if (!_outputPlugin.SetMetadata(metadata))
            {
                ErrorMessage?.Invoke("Error {0} setting metadata, continuing..." + Environment.NewLine +
                                     _outputPlugin.ErrorMessage);
            }

            _outputPlugin.SetDumpHardware(_resume.Tries);

            if (_preSidecar != null)
            {
                _outputPlugin.SetCicmMetadata(_preSidecar);
            }

            _dumpLog.WriteLine("Closing output file.");
            UpdateStatus?.Invoke("Closing output file.");
            DateTime closeStart = DateTime.Now;
            _outputPlugin.Close();
            DateTime closeEnd = DateTime.Now;
            UpdateStatus?.Invoke($"Closed in {(closeEnd - closeStart).TotalSeconds} seconds.");
            _dumpLog.WriteLine("Closed in {0} seconds.", (closeEnd - closeStart).TotalSeconds);

            if (_aborted)
            {
                UpdateStatus?.Invoke("Aborted!");
                _dumpLog.WriteLine("Aborted!");

                return;
            }

            double totalChkDuration = 0;

            if (_metadata)
            {
                UpdateStatus?.Invoke("Creating sidecar.");
                _dumpLog.WriteLine("Creating sidecar.");
                var         filters     = new FiltersList();
                IFilter     filter      = filters.GetFilter(_outputPath);
                IMediaImage inputPlugin = ImageFormat.Detect(filter);

                if (!inputPlugin.Open(filter))
                {
                    StoppingErrorMessage?.Invoke("Could not open created image.");

                    return;
                }

                DateTime chkStart = DateTime.UtcNow;
                _sidecarClass = new Sidecar(inputPlugin, _outputPath, filter.Id, _encoding);
                _sidecarClass.InitProgressEvent    += InitProgress;
                _sidecarClass.UpdateProgressEvent  += UpdateProgress;
                _sidecarClass.EndProgressEvent     += EndProgress;
                _sidecarClass.InitProgressEvent2   += InitProgress2;
                _sidecarClass.UpdateProgressEvent2 += UpdateProgress2;
                _sidecarClass.EndProgressEvent2    += EndProgress2;
                _sidecarClass.UpdateStatusEvent    += UpdateStatus;
                CICMMetadataType sidecar = _sidecarClass.Create();
                end = DateTime.UtcNow;

                totalChkDuration = (end - chkStart).TotalMilliseconds;
                UpdateStatus?.Invoke($"Sidecar created in {(end - chkStart).TotalSeconds} seconds.");

                UpdateStatus?.
                Invoke($"Average checksum speed {((double)BLOCK_SIZE * (double)(blocks + 1)) / 1024 / (totalChkDuration / 1000):F3} KiB/sec.");

                _dumpLog.WriteLine("Sidecar created in {0} seconds.", (end - chkStart).TotalSeconds);

                _dumpLog.WriteLine("Average checksum speed {0:F3} KiB/sec.",
                                   ((double)BLOCK_SIZE * (double)(blocks + 1)) / 1024 / (totalChkDuration / 1000));

                if (_preSidecar != null)
                {
                    _preSidecar.BlockMedia = sidecar.BlockMedia;
                    sidecar = _preSidecar;
                }

                List <(ulong start, string type)> filesystems = new List <(ulong start, string type)>();

                if (sidecar.BlockMedia[0].FileSystemInformation != null)
                {
                    filesystems.AddRange(from partition in sidecar.BlockMedia[0].FileSystemInformation
                                         where partition.FileSystems != null from fileSystem in partition.FileSystems
                                         select(partition.StartSector, fileSystem.Type));
                }

                if (filesystems.Count > 0)
                {
                    foreach (var filesystem in filesystems.Select(o => new
                    {
                        o.start, o.type
                    }).Distinct())
                    {
                        UpdateStatus?.Invoke($"Found filesystem {filesystem.type} at sector {filesystem.start}");
                        _dumpLog.WriteLine("Found filesystem {0} at sector {1}", filesystem.type, filesystem.start);
                    }
                }

                sidecar.BlockMedia[0].Dimensions        = Dimensions.DimensionsFromMediaType(dskType);
                (string type, string subType)xmlType    = CommonTypes.Metadata.MediaType.MediaTypeToString(dskType);
                sidecar.BlockMedia[0].DiskType          = xmlType.type;
                sidecar.BlockMedia[0].DiskSubType       = xmlType.subType;
                sidecar.BlockMedia[0].Interface         = "USB";
                sidecar.BlockMedia[0].LogicalBlocks     = blocks;
                sidecar.BlockMedia[0].PhysicalBlockSize = (int)BLOCK_SIZE;
                sidecar.BlockMedia[0].LogicalBlockSize  = (int)BLOCK_SIZE;
                sidecar.BlockMedia[0].Manufacturer      = _dev.Manufacturer;
                sidecar.BlockMedia[0].Model             = _dev.Model;

                if (!_private)
                {
                    sidecar.BlockMedia[0].Serial = _dev.Serial;
                }

                sidecar.BlockMedia[0].Size = blocks * BLOCK_SIZE;

                if (_dev.IsRemovable)
                {
                    sidecar.BlockMedia[0].DumpHardwareArray = _resume.Tries.ToArray();
                }

                UpdateStatus?.Invoke("Writing metadata sidecar");

                var xmlFs = new FileStream(_outputPrefix + ".cicm.xml", FileMode.Create);

                var xmlSer = new XmlSerializer(typeof(CICMMetadataType));
                xmlSer.Serialize(xmlFs, sidecar);
                xmlFs.Close();
            }

            UpdateStatus?.Invoke("");

            UpdateStatus?.
            Invoke($"Took a total of {(end - start).TotalSeconds:F3} seconds ({totalDuration / 1000:F3} processing commands, {totalChkDuration / 1000:F3} checksumming, {imageWriteDuration:F3} writing, {(closeEnd - closeStart).TotalSeconds:F3} closing).");

            UpdateStatus?.
            Invoke($"Average speed: {((double)BLOCK_SIZE * (double)(blocks + 1)) / 1048576 / (totalDuration / 1000):F3} MiB/sec.");

            if (maxSpeed > 0)
            {
                UpdateStatus?.Invoke($"Fastest speed burst: {maxSpeed:F3} MiB/sec.");
            }

            if (minSpeed > 0 &&
                minSpeed < double.MaxValue)
            {
                UpdateStatus?.Invoke($"Slowest speed burst: {minSpeed:F3} MiB/sec.");
            }

            UpdateStatus?.Invoke($"{_resume.BadBlocks.Count} sectors could not be read.");
            UpdateStatus?.Invoke("");

            Statistics.AddMedia(dskType, true);
        }
Ejemplo n.º 4
0
        /// <summary>Retries errored data when dumping from a SCSI Block Commands compliant device</summary>
        /// <param name="currentTry">Resume information</param>
        /// <param name="extents">Correctly dump extents</param>
        /// <param name="totalDuration">Total time spent in commands</param>
        /// <param name="scsiReader">SCSI reader</param>
        /// <param name="blankExtents">Blank extents</param>
        void RetrySbcData(Reader scsiReader, DumpHardwareType currentTry, ExtentsULong extents,
                          ref double totalDuration, ExtentsULong blankExtents)
        {
            int  pass              = 1;
            bool forward           = true;
            bool runningPersistent = false;
            bool sense;

            byte[] buffer;
            bool   recoveredError;

            Modes.ModePage?currentModePage = null;
            byte[]         md6;
            byte[]         md10;
            bool           blankCheck;
            bool           newBlank = false;

            if (_persistent)
            {
                Modes.ModePage_01_MMC pgMmc;
                Modes.ModePage_01     pg;

                sense = _dev.ModeSense6(out buffer, out _, false, ScsiModeSensePageControl.Current, 0x01, _dev.Timeout,
                                        out _);

                if (sense)
                {
                    sense = _dev.ModeSense10(out buffer, out _, false, ScsiModeSensePageControl.Current, 0x01,
                                             _dev.Timeout, out _);

                    if (!sense)
                    {
                        Modes.DecodedMode?dcMode10 = Modes.DecodeMode10(buffer, _dev.ScsiType);

                        if (dcMode10?.Pages != null)
                        {
                            foreach (Modes.ModePage modePage in dcMode10.Value.Pages.Where(modePage =>
                                                                                           modePage.Page == 0x01 && modePage.Subpage == 0x00))
                            {
                                currentModePage = modePage;
                            }
                        }
                    }
                }
                else
                {
                    Modes.DecodedMode?dcMode6 = Modes.DecodeMode6(buffer, _dev.ScsiType);

                    if (dcMode6?.Pages != null)
                    {
                        foreach (Modes.ModePage modePage in dcMode6.Value.Pages.Where(modePage =>
                                                                                      modePage.Page == 0x01 && modePage.Subpage == 0x00))
                        {
                            currentModePage = modePage;
                        }
                    }
                }

                if (currentModePage == null)
                {
                    if (_dev.ScsiType == PeripheralDeviceTypes.MultiMediaDevice)
                    {
                        pgMmc = new Modes.ModePage_01_MMC
                        {
                            PS             = false,
                            ReadRetryCount = 32,
                            Parameter      = 0x00
                        };

                        currentModePage = new Modes.ModePage
                        {
                            Page         = 0x01,
                            Subpage      = 0x00,
                            PageResponse = Modes.EncodeModePage_01_MMC(pgMmc)
                        };
                    }
                    else
                    {
                        pg = new Modes.ModePage_01
                        {
                            PS             = false,
                            AWRE           = true,
                            ARRE           = true,
                            TB             = false,
                            RC             = false,
                            EER            = true,
                            PER            = false,
                            DTE            = true,
                            DCR            = false,
                            ReadRetryCount = 32
                        };

                        currentModePage = new Modes.ModePage
                        {
                            Page         = 0x01,
                            Subpage      = 0x00,
                            PageResponse = Modes.EncodeModePage_01(pg)
                        };
                    }
                }

                if (_dev.ScsiType == PeripheralDeviceTypes.MultiMediaDevice)
                {
                    pgMmc = new Modes.ModePage_01_MMC
                    {
                        PS             = false,
                        ReadRetryCount = 255,
                        Parameter      = 0x20
                    };

                    var md = new Modes.DecodedMode
                    {
                        Header = new Modes.ModeHeader(),
                        Pages  = new[]
                        {
                            new Modes.ModePage
                            {
                                Page         = 0x01,
                                Subpage      = 0x00,
                                PageResponse = Modes.EncodeModePage_01_MMC(pgMmc)
                            }
                        }
                    };

                    md6  = Modes.EncodeMode6(md, _dev.ScsiType);
                    md10 = Modes.EncodeMode10(md, _dev.ScsiType);
                }
                else
                {
                    pg = new Modes.ModePage_01
                    {
                        PS             = false,
                        AWRE           = false,
                        ARRE           = false,
                        TB             = true,
                        RC             = false,
                        EER            = true,
                        PER            = false,
                        DTE            = false,
                        DCR            = false,
                        ReadRetryCount = 255
                    };

                    var md = new Modes.DecodedMode
                    {
                        Header = new Modes.ModeHeader(),
                        Pages  = new[]
                        {
                            new Modes.ModePage
                            {
                                Page         = 0x01,
                                Subpage      = 0x00,
                                PageResponse = Modes.EncodeModePage_01(pg)
                            }
                        }
                    };

                    md6  = Modes.EncodeMode6(md, _dev.ScsiType);
                    md10 = Modes.EncodeMode10(md, _dev.ScsiType);
                }

                UpdateStatus?.Invoke("Sending MODE SELECT to drive (return damaged blocks).");
                _dumpLog.WriteLine("Sending MODE SELECT to drive (return damaged blocks).");
                sense = _dev.ModeSelect(md6, out byte[] senseBuf, true, false, _dev.Timeout, out _);

                if (sense)
                {
                    sense = _dev.ModeSelect10(md10, out senseBuf, true, false, _dev.Timeout, out _);
                }

                if (sense)
                {
                    UpdateStatus?.
                    Invoke("Drive did not accept MODE SELECT command for persistent error reading, try another drive.");

                    AaruConsole.DebugWriteLine("Error: {0}", Sense.PrettifySense(senseBuf));

                    _dumpLog.WriteLine("Drive did not accept MODE SELECT command for persistent error reading, try another drive.");
                }
                else
                {
                    runningPersistent = true;
                }
            }

            InitProgress?.Invoke();
repeatRetry:
            ulong[] tmpArray = _resume.BadBlocks.ToArray();

            foreach (ulong badSector in tmpArray)
            {
                if (_aborted)
                {
                    currentTry.Extents = ExtentsConverter.ToMetadata(extents);
                    UpdateStatus?.Invoke("Aborted!");
                    _dumpLog.WriteLine("Aborted!");

                    break;
                }

                PulseProgress?.Invoke(string.Format("Retrying sector {0}, pass {1}, {3}{2}", badSector, pass,
                                                    forward ? "forward" : "reverse",
                                                    runningPersistent ? "recovering partial data, " : ""));

                sense = scsiReader.ReadBlock(out buffer, badSector, out double cmdDuration, out recoveredError,
                                             out blankCheck);

                totalDuration += cmdDuration;

                if (blankCheck)
                {
                    _resume.BadBlocks.Remove(badSector);
                    blankExtents.Add(badSector, badSector);
                    newBlank = true;

                    UpdateStatus?.Invoke($"Found blank block {badSector} in pass {pass}.");
                    _dumpLog.WriteLine("Found blank block {0} in pass {1}.", badSector, pass);

                    continue;
                }

                if ((!sense && !_dev.Error) || recoveredError)
                {
                    _resume.BadBlocks.Remove(badSector);
                    extents.Add(badSector);
                    _outputPlugin.WriteSector(buffer, badSector);
                    UpdateStatus?.Invoke($"Correctly retried block {badSector} in pass {pass}.");
                    _dumpLog.WriteLine("Correctly retried block {0} in pass {1}.", badSector, pass);
                }
                else if (runningPersistent)
                {
                    _outputPlugin.WriteSector(buffer, badSector);
                }
            }

            if (pass < _retryPasses &&
                !_aborted &&
                _resume.BadBlocks.Count > 0)
            {
                pass++;
                forward = !forward;
                _resume.BadBlocks.Sort();

                if (!forward)
                {
                    _resume.BadBlocks.Reverse();
                }

                goto repeatRetry;
            }

            if (runningPersistent && currentModePage.HasValue)
            {
                var md = new Modes.DecodedMode
                {
                    Header = new Modes.ModeHeader(),
                    Pages  = new[]
                    {
                        currentModePage.Value
                    }
                };

                md6  = Modes.EncodeMode6(md, _dev.ScsiType);
                md10 = Modes.EncodeMode10(md, _dev.ScsiType);

                UpdateStatus?.Invoke("Sending MODE SELECT to drive (return device to previous status).");
                _dumpLog.WriteLine("Sending MODE SELECT to drive (return device to previous status).");
                sense = _dev.ModeSelect(md6, out _, true, false, _dev.Timeout, out _);

                if (sense)
                {
                    _dev.ModeSelect10(md10, out _, true, false, _dev.Timeout, out _);
                }
            }

            if (newBlank)
            {
                _resume.BlankExtents = ExtentsConverter.ToMetadata(blankExtents);
            }

            EndProgress?.Invoke();
        }