Aaru/DiscImageChef.Core/Devices/Dumping/SSC.cs

// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename       : SSC.cs
// Author(s)      : Natalia Portillo <claunia@claunia.com>
//
// Component      : Core algorithms.
//
// --[ Description ] ----------------------------------------------------------
//
//     Dumps media from SCSI Streaming devices.
//
// --[ License ] --------------------------------------------------------------
//
//     This program is free software: you can redistribute it and/or modify
//     it under the terms of the GNU General Public License as
//     published by the Free Software Foundation, either version 3 of the
//     License, or (at your option) any later version.
//
//     This program is distributed in the hope that it will be useful,
//     but WITHOUT ANY WARRANTY; without even the implied warranty of
//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//     GNU General Public License for more details.
//
//     You should have received a copy of the GNU General Public License
//     along with this program.  If not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2020 Natalia Portillo
// ****************************************************************************/

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Xml.Serialization;
using DiscImageChef.CommonTypes;
using DiscImageChef.CommonTypes.Enums;
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.Decoders.SCSI.SSC;
using DiscImageChef.Devices;
using Schemas;
using MediaType = DiscImageChef.CommonTypes.MediaType;

namespace DiscImageChef.Core.Devices.Dumping
{
    partial class Dump
    {
        /// <summary>Dumps the tape from a SCSI Streaming device</summary>
        internal void Ssc()
        {
            FixedSense? fxSense;
            bool        sense;
            uint        blockSize;
            ulong       blocks  = 0;
            MediaType   dskType = MediaType.Unknown;
            DateTime    start;
            DateTime    end;
            double      totalDuration = 0;
            double      currentSpeed  = 0;
            double      maxSpeed      = double.MinValue;
            double      minSpeed      = double.MaxValue;

            _dev.RequestSense(out byte[] senseBuf, _dev.Timeout, out double duration);
            fxSense = Sense.DecodeFixed(senseBuf, out string strSense);

            InitProgress?.Invoke();

            if(fxSense.HasValue &&
               fxSense?.SenseKey != SenseKeys.NoSense)
            {
                _dumpLog.WriteLine("Device not ready. Sense {0}h ASC {1:X2}h ASCQ {2:X2}h", fxSense?.SenseKey,
                                   fxSense?.ASC, fxSense?.ASCQ);

                StoppingErrorMessage?.Invoke("Drive has status error, please correct. Sense follows..." +
                                             Environment.NewLine                                        + strSense);

                return;
            }

            // Not in BOM/P
            if(fxSense.HasValue          &&
               fxSense?.ASC      == 0x00 &&
               fxSense?.ASCQ     != 0x00 &&
               fxSense?.ASCQ     != 0x04 &&
               fxSense?.SenseKey != SenseKeys.IllegalRequest)
            {
                _dumpLog.WriteLine("Rewinding, please wait...");
                PulseProgress?.Invoke("Rewinding, please wait...");

                // Rewind, let timeout apply
                _dev.Rewind(out senseBuf, _dev.Timeout, out duration);

                // Still rewinding?
                // TODO: Pause?
                do
                {
                    PulseProgress?.Invoke("Rewinding, please wait...");
                    _dev.RequestSense(out senseBuf, _dev.Timeout, out duration);
                    fxSense = Sense.DecodeFixed(senseBuf, out strSense);
                } while(fxSense.HasValue     &&
                        fxSense?.ASC == 0x00 &&
                        (fxSense?.ASCQ == 0x1A || fxSense?.ASCQ != 0x04 || fxSense?.ASCQ != 0x00));

                _dev.RequestSense(out senseBuf, _dev.Timeout, out duration);
                fxSense = Sense.DecodeFixed(senseBuf, out strSense);

                // And yet, did not rewind!
                if(fxSense.HasValue &&
                   ((fxSense?.ASC == 0x00 && fxSense?.ASCQ != 0x04 && fxSense?.ASCQ != 0x00) || fxSense?.ASC != 0x00))
                {
                    StoppingErrorMessage?.Invoke("Drive could not rewind, please correct. Sense follows..." +
                                                 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?.SenseKey,
                                       fxSense?.ASC, fxSense?.ASCQ);

                    return;
                }
            }

            // Check position
            sense = _dev.ReadPosition(out byte[] cmdBuf, out senseBuf, SscPositionForms.Short, _dev.Timeout,
                                      out duration);

            if(sense)
            {
                // READ POSITION is mandatory starting SCSI-2, so do not cry if the drive does not recognize the command (SCSI-1 or earlier)
                // Anyway, <=SCSI-1 tapes do not support partitions
                fxSense = Sense.DecodeFixed(senseBuf, out strSense);

                if(fxSense.HasValue &&
                   ((fxSense?.ASC == 0x20 && fxSense?.ASCQ     != 0x00) ||
                    (fxSense?.ASC != 0x20 && fxSense?.SenseKey != SenseKeys.IllegalRequest)))
                {
                    StoppingErrorMessage?.Invoke("Could not get position. Sense follows..." + Environment.NewLine +
                                                 strSense);

                    _dumpLog.WriteLine("Could not get position. Sense follows...");

                    _dumpLog.WriteLine("Device not ready. Sense {0}h ASC {1:X2}h ASCQ {2:X2}h", fxSense?.SenseKey,
                                       fxSense?.ASC, fxSense?.ASCQ);

                    return;
                }
            }
            else
            {
                // Not in partition 0
                if(cmdBuf[1] != 0)
                {
                    UpdateStatus?.Invoke("Drive not in partition 0. Rewinding, please wait...");
                    _dumpLog.WriteLine("Drive not in partition 0. Rewinding, please wait...");

                    // Rewind, let timeout apply
                    sense = _dev.Locate(out senseBuf, false, 0, 0, _dev.Timeout, out duration);

                    if(sense)
                    {
                        StoppingErrorMessage?.Invoke("Drive could not rewind, please correct. Sense follows..." +
                                                     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?.SenseKey,
                                           fxSense?.ASC, fxSense?.ASCQ);

                        return;
                    }

                    // Still rewinding?
                    // TODO: Pause?
                    do
                    {
                        Thread.Sleep(1000);
                        PulseProgress?.Invoke("Rewinding, please wait...");
                        _dev.RequestSense(out senseBuf, _dev.Timeout, out duration);
                        fxSense = Sense.DecodeFixed(senseBuf, out strSense);
                    } while(fxSense.HasValue     &&
                            fxSense?.ASC == 0x00 &&
                            (fxSense?.ASCQ == 0x1A || fxSense?.ASCQ == 0x19));

                    // And yet, did not rewind!
                    if(fxSense.HasValue &&
                       ((fxSense?.ASC == 0x00 && fxSense?.ASCQ != 0x04 && fxSense?.ASCQ != 0x00) ||
                        fxSense?.ASC != 0x00))
                    {
                        StoppingErrorMessage?.Invoke("Drive could not rewind, please correct. Sense follows..." +
                                                     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?.SenseKey,
                                           fxSense?.ASC, fxSense?.ASCQ);

                        return;
                    }

                    sense = _dev.ReadPosition(out cmdBuf, out senseBuf, SscPositionForms.Short, _dev.Timeout,
                                              out duration);

                    if(sense)
                    {
                        fxSense = Sense.DecodeFixed(senseBuf, out strSense);

                        StoppingErrorMessage?.Invoke("Drive could not rewind, please correct. Sense follows..." +
                                                     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?.SenseKey,
                                           fxSense?.ASC, fxSense?.ASCQ);

                        return;
                    }

                    // Still not in partition 0!!!?
                    if(cmdBuf[1] != 0)
                    {
                        StoppingErrorMessage?.Invoke("Drive could not rewind to partition 0 but no error occurred...");
                        _dumpLog.WriteLine("Drive could not rewind to partition 0 but no error occurred...");

                        return;
                    }
                }
            }

            EndProgress?.Invoke();

            byte   scsiMediumTypeTape  = 0;
            byte   scsiDensityCodeTape = 0;
            byte[] mode6Data           = null;
            byte[] mode10Data          = null;

            UpdateStatus?.Invoke("Requesting MODE SENSE (10).");

            sense = _dev.ModeSense10(out cmdBuf, out senseBuf, false, true, ScsiModeSensePageControl.Current, 0x3F,
                                     0xFF, 5, out duration);

            if(!sense ||
               _dev.Error)
                sense = _dev.ModeSense10(out cmdBuf, out senseBuf, false, true, ScsiModeSensePageControl.Current, 0x3F,
                                         0x00, 5, out duration);

            Modes.DecodedMode? decMode = null;

            if(!sense &&
               !_dev.Error)
                if(Modes.DecodeMode10(cmdBuf, _dev.ScsiType).HasValue)
                    decMode = Modes.DecodeMode10(cmdBuf, _dev.ScsiType);

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

            sense = _dev.ModeSense6(out cmdBuf, out senseBuf, false, ScsiModeSensePageControl.Current, 0x3F, 0x00, 5,
                                    out duration);

            if(sense || _dev.Error)
                sense = _dev.ModeSense6(out cmdBuf, out senseBuf, false, ScsiModeSensePageControl.Current, 0x3F, 0x00,
                                        5, out duration);

            if(sense || _dev.Error)
                sense = _dev.ModeSense(out cmdBuf, out senseBuf, 5, out duration);

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

            // TODO: Check partitions page
            if(decMode.HasValue)
            {
                scsiMediumTypeTape = (byte)decMode.Value.Header.MediumType;

                if(decMode.Value.Header.BlockDescriptors        != null &&
                   decMode.Value.Header.BlockDescriptors.Length >= 1)
                    scsiDensityCodeTape = (byte)decMode.Value.Header.BlockDescriptors[0].Density;

                blockSize = decMode.Value.Header.BlockDescriptors?[0].BlockLength ?? 0;

                UpdateStatus?.Invoke($"Device reports {blocks} blocks ({blocks * blockSize} bytes).");
            }
            else
                blockSize = 1;

            if(!_dev.ReadBlockLimits(out cmdBuf, out senseBuf, _dev.Timeout, out _))
            {
                BlockLimits.BlockLimitsData? blockLimits = BlockLimits.Decode(cmdBuf);

                if(blockLimits                   != null &&
                   blockLimits.Value.minBlockLen > blockSize)
                {
                    blockSize = blockLimits.Value.minBlockLen;
                }
            }

            if(blockSize == 0)
                blockSize = 1;

            if(dskType == MediaType.Unknown)
                dskType = MediaTypeFromScsi.Get((byte)_dev.ScsiType, _dev.Manufacturer, _dev.Model, scsiMediumTypeTape,
                                                scsiDensityCodeTape, blocks, blockSize);

            if(dskType == MediaType.Unknown)
                dskType = MediaType.UnknownTape;

            UpdateStatus?.Invoke($"SCSI device type: {_dev.ScsiType}.");
            UpdateStatus?.Invoke($"SCSI medium type: {scsiMediumTypeTape}.");
            UpdateStatus?.Invoke($"SCSI density type: {scsiDensityCodeTape}.");
            UpdateStatus?.Invoke($"Media identified as {dskType}.");

            _dumpLog.WriteLine("SCSI device type: {0}.", _dev.ScsiType);
            _dumpLog.WriteLine("SCSI medium type: {0}.", scsiMediumTypeTape);
            _dumpLog.WriteLine("SCSI density type: {0}.", scsiDensityCodeTape);
            _dumpLog.WriteLine("Media identified as {0}.", dskType);

            bool  endOfMedia       = false;
            ulong currentBlock     = 0;
            uint  currentFile      = 0;
            byte  currentPartition = 0;
            byte  totalPartitions  = 1; // TODO: Handle partitions.
            bool  fixedLen         = false;
            uint  transferLen      = blockSize;

            firstRead:

            sense = _dev.Read6(out cmdBuf, out senseBuf, false, fixedLen, transferLen, blockSize, _dev.Timeout,
                               out duration);

            if(sense)
            {
                fxSense = Sense.DecodeFixed(senseBuf, out strSense);

                if(fxSense.HasValue)
                    if(fxSense?.SenseKey == SenseKeys.IllegalRequest)
                    {
                        sense = _dev.Space(out senseBuf, SscSpaceCodes.LogicalBlock, -1, _dev.Timeout, out duration);

                        if(sense)
                        {
                            fxSense = Sense.DecodeFixed(senseBuf, out strSense);

                            if(!fxSense.HasValue ||
                               !fxSense?.EOM == true)
                            {
                                StoppingErrorMessage?.Invoke("Drive could not return back. Sense follows..." +
                                                             Environment.NewLine                             +
                                                             strSense);

                                _dumpLog.WriteLine("Drive could not return back. Sense follows...");

                                _dumpLog.WriteLine("Device not ready. Sense {0} ASC {1:X2}h ASCQ {2:X2}h",
                                                   fxSense?.SenseKey, fxSense?.ASC, fxSense?.ASCQ);

                                return;
                            }
                        }

                        fixedLen    = true;
                        transferLen = 1;

                        sense = _dev.Read6(out cmdBuf, out senseBuf, false, fixedLen, transferLen, blockSize,
                                           _dev.Timeout, out duration);

                        if(sense)
                        {
                            fxSense = Sense.DecodeFixed(senseBuf, out strSense);

                            StoppingErrorMessage?.Invoke("Drive could not read. Sense follows..." +
                                                         Environment.NewLine                      + strSense);

                            _dumpLog.WriteLine("Drive could not read. Sense follows...");

                            _dumpLog.WriteLine("Device not ready. Sense {0} ASC {1:X2}h ASCQ {2:X2}h",
                                               fxSense?.SenseKey, fxSense?.ASC, fxSense?.ASCQ);

                            return;
                        }
                    }
                    else if(fxSense?.ASC              == 0x00 &&
                            fxSense?.ASCQ             == 0x00 &&
                            fxSense?.ILI              == true &&
                            fxSense?.InformationValid == true)
                    {
                        blockSize = (uint)((int)blockSize -
                                           BitConverter.ToInt32(BitConverter.GetBytes(fxSense.Value.Information), 0));

                        transferLen = blockSize;

                        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);

                        totalDuration += duration;

                        if(sense)
                        {
                            fxSense = Sense.DecodeFixed(senseBuf, out strSense);

                            StoppingErrorMessage?.Invoke("Drive could not go back one block. Sense follows..." +
                                                         Environment.NewLine                                   +
                                                         strSense);

                            _dumpLog.WriteLine("Drive could not go back one block. Sense follows...");

                            _dumpLog.WriteLine("Device not ready. Sense {0}h ASC {1:X2}h ASCQ {2:X2}h",
                                               fxSense?.SenseKey, fxSense?.ASC, fxSense?.ASCQ);

                            return;
                        }

                        goto firstRead;
                    }
                    else
                    {
                        StoppingErrorMessage?.Invoke("Drive could not read. Sense follows..." + Environment.NewLine +
                                                     strSense);

                        _dumpLog.WriteLine("Drive could not read. Sense follows...");

                        _dumpLog.WriteLine("Device not ready. Sense {0} ASC {1:X2}h ASCQ {2:X2}h", fxSense?.SenseKey,
                                           fxSense?.ASC, fxSense?.ASCQ);

                        return;
                    }
                else
                {
                    StoppingErrorMessage?.Invoke("Cannot read device, don't know why, exiting...");
                    _dumpLog.WriteLine("Cannot read device, don't know why, exiting...");

                    return;
                }
            }

            sense = _dev.Space(out senseBuf, SscSpaceCodes.LogicalBlock, -1, _dev.Timeout, out duration);

            if(sense)
            {
                fxSense = Sense.DecodeFixed(senseBuf, out strSense);

                if(!fxSense.HasValue ||
                   !fxSense?.EOM == true)
                {
                    StoppingErrorMessage?.Invoke("Drive could not return back. Sense follows..." + Environment.NewLine +
                                                 strSense);

                    _dumpLog.WriteLine("Drive could not return back. Sense follows...");

                    _dumpLog.WriteLine("Device not ready. Sense {0} ASC {1:X2}h ASCQ {2:X2}h", fxSense?.SenseKey,
                                       fxSense?.ASC, fxSense?.ASCQ);

                    return;
                }
            }

            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, true);

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

                return;
            }

            bool canLocateLong = false;
            bool canLocate     = false;

            UpdateStatus?.Invoke("Positioning tape to block 1.");
            _dumpLog.WriteLine("Positioning tape to block 1");

            sense = _dev.Locate16(out senseBuf, 1, _dev.Timeout, out _);

            if(!sense)
            {
                sense = _dev.ReadPositionLong(out cmdBuf, out senseBuf, _dev.Timeout, out _);

                if(!sense)
                {
                    ulong position = Swapping.Swap(BitConverter.ToUInt64(cmdBuf, 8));

                    if(position == 1)
                    {
                        canLocateLong = true;
                        UpdateStatus?.Invoke("LOCATE LONG works.");
                        _dumpLog.WriteLine("LOCATE LONG works.");
                    }
                }
                else
                    fxSense = Sense.DecodeFixed(senseBuf, out strSense);
            }
            else
                fxSense = Sense.DecodeFixed(senseBuf, out strSense);

            sense = _dev.Locate(out senseBuf, 1, _dev.Timeout, out _);

            if(!sense)
            {
                sense = _dev.ReadPosition(out cmdBuf, out senseBuf, _dev.Timeout, out _);

                if(!sense)
                {
                    ulong position = Swapping.Swap(BitConverter.ToUInt32(cmdBuf, 4));

                    if(position == 1)
                    {
                        canLocate = true;
                        UpdateStatus?.Invoke("LOCATE works.");
                        _dumpLog.WriteLine("LOCATE works.");
                    }
                }
                else
                    fxSense = Sense.DecodeFixed(senseBuf, out strSense);
            }
            else
                fxSense = Sense.DecodeFixed(senseBuf, out strSense);

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

                if(canLocateLong)
                {
                    sense = _dev.Locate16(out senseBuf, _resume.NextBlock, _dev.Timeout, out _);

                    if(!sense)
                    {
                        sense = _dev.ReadPositionLong(out cmdBuf, out senseBuf, _dev.Timeout, out _);

                        if(sense)
                        {
                            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.");

                                return;
                            }

                            _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.");

                            canLocateLong = false;
                        }
                        else
                        {
                            ulong position = Swapping.Swap(BitConverter.ToUInt64(cmdBuf, 8));

                            if(position != _resume.NextBlock)
                            {
                                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.");

                                    return;
                                }

                                _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.");

                                canLocateLong = false;
                            }
                        }
                    }
                    else
                    {
                        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.");

                            return;
                        }

                        _dumpLog.WriteLine("Cannot reposition tape, unable to resume. Dumping from the start.");
                        ErrorMessage?.Invoke("Cannot reposition tape, unable to resume. Dumping from the start.");
                        canLocateLong = false;
                    }
                }
                else if(canLocate)
                {
                    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)
                        {
                            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.");

                                return;
                            }

                            _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
                        {
                            ulong position = Swapping.Swap(BitConverter.ToUInt32(cmdBuf, 4));

                            if(position != _resume.NextBlock)
                            {
                                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.");

                                    return;
                                }

                                _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;
                            }
                        }
                    }
                    else
                    {
                        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.");

                            return;
                        }

                        _dumpLog.WriteLine("Cannot reposition tape, unable to resume. Dumping from the start.");
                        ErrorMessage?.Invoke("Cannot reposition tape, unable to resume. Dumping from the start.");
                        canLocate = false;
                    }
                }
                else
                {
                    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.");

                        return;
                    }

                    _dumpLog.WriteLine("Cannot reposition tape, unable to resume. Dumping from the start.");
                    ErrorMessage?.Invoke("Cannot reposition tape, unable to resume. Dumping from the start.");
                    canLocate = false;
                }
            }
            else
            {
                sense = canLocateLong ? _dev.Locate16(out senseBuf, false, 0, 0, _dev.Timeout, out duration)
                            : _dev.Locate(out senseBuf, false, 0, 0, _dev.Timeout, out duration);

                do
                {
                    Thread.Sleep(1000);
                    PulseProgress?.Invoke("Rewinding, please wait...");
                    _dev.RequestSense(out senseBuf, _dev.Timeout, out duration);
                    fxSense = Sense.DecodeFixed(senseBuf, out strSense);
                } while(fxSense.HasValue     &&
                        fxSense?.ASC == 0x00 &&
                        (fxSense?.ASCQ == 0x1A || fxSense?.ASCQ == 0x19));

                // And yet, did not rewind!
                if(fxSense.HasValue &&
                   ((fxSense?.ASC == 0x00 && fxSense?.ASCQ != 0x00 && fxSense?.ASCQ != 0x04) || fxSense?.ASC != 0x00))
                {
                    StoppingErrorMessage?.Invoke("Drive could not rewind, please correct. Sense follows..." +
                                                 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?.SenseKey,
                                       fxSense?.ASC, fxSense?.ASCQ);

                    return;
                }
            }

            bool ret = (_outputPlugin as IWritableTapeImage).SetTape();

            // Cannot set image to tape mode
            if(!ret)
            {
                _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                                        +
                                             _outputPlugin.ErrorMessage);

                return;
            }

            ret = _outputPlugin.Create(_outputPath, dskType, _formatOptions, 0, 0);

            // 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;
            var mhddLog = new MhddLog(_outputPrefix + ".mhddlog.bin", _dev, blocks, blockSize, 1);
            var ibgLog  = new IbgLog(_outputPrefix  + ".ibg", 0x0008);

            var currentTapeFile = new TapeFile
            {
                File = currentFile, FirstBlock = currentBlock, Partition = currentPartition
            };

            var currentTapePartition = new TapePartition
            {
                Number = currentPartition, FirstBlock = currentBlock
            };

            if((canLocate || canLocateLong) &&
               _resume.NextBlock > 0)
            {
                currentBlock = _resume.NextBlock;

                currentTapeFile =
                    (_outputPlugin as IWritableTapeImage).Files.FirstOrDefault(f => f.LastBlock ==
                                                                                    (_outputPlugin as IWritableTapeImage
                                                                                    )?.Files.Max(g => g.LastBlock));

                currentTapePartition =
                    (_outputPlugin as IWritableTapeImage).TapePartitions.FirstOrDefault(p => p.LastBlock ==
                                                                                             (_outputPlugin as
                                                                                                  IWritableTapeImage)?.
                                                                                             TapePartitions.
                                                                                             Max(g => g.LastBlock));
            }

            if(mode6Data != null)
                _outputPlugin.WriteMediaTag(mode6Data, MediaTagType.SCSI_MODESENSE_6);

            if(mode10Data != null)
                _outputPlugin.WriteMediaTag(mode10Data, MediaTagType.SCSI_MODESENSE_10);

            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;
                }

                if(endOfMedia)
                {
                    UpdateStatus?.Invoke($"Finished partition {currentPartition}");
                    _dumpLog.WriteLine("Finished partition {0}", currentPartition);

                    currentTapeFile.LastBlock = currentBlock - 1;

                    if(currentTapeFile.LastBlock > currentTapeFile.FirstBlock)
                        (_outputPlugin as IWritableTapeImage).AddFile(currentTapeFile);

                    currentTapePartition.LastBlock = currentBlock - 1;
                    (_outputPlugin as IWritableTapeImage).AddPartition(currentTapePartition);

                    currentPartition++;

                    if(currentPartition < totalPartitions)
                    {
                        currentFile++;

                        currentTapeFile = new TapeFile
                        {
                            File = currentFile, FirstBlock = currentBlock, Partition = currentPartition
                        };

                        currentTapePartition = new TapePartition
                        {
                            Number = currentPartition, FirstBlock = currentBlock
                        };

                        UpdateStatus?.Invoke($"Seeking to partition {currentPartition}");
                        _dev.Locate(out senseBuf, false, currentPartition, 0, _dev.Timeout, out duration);
                        totalDuration += duration;
                    }

                    continue;
                }

                #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

                PulseProgress?.Invoke($"Reading block {currentBlock} ({currentSpeed:F3} MiB/sec.)");

                sense = _dev.Read6(out cmdBuf, out senseBuf, false, fixedLen, transferLen, blockSize, _dev.Timeout,
                                   out duration);

                totalDuration += duration;

                if(sense                 &&
                   senseBuf?.Length != 0 &&
                   !ArrayHelpers.ArrayIsNullOrEmpty(senseBuf))
                {
                    fxSense = Sense.DecodeFixed(senseBuf, out strSense);

                    if(fxSense?.ASC              == 0x00 &&
                       fxSense?.ASCQ             == 0x00 &&
                       fxSense?.ILI              == true &&
                       fxSense?.InformationValid == true)
                    {
                        blockSize = (uint)((int)blockSize -
                                           BitConverter.ToInt32(BitConverter.GetBytes(fxSense.Value.Information), 0));

                        if(!fixedLen)
                            transferLen = blockSize;

                        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);

                        totalDuration += duration;

                        if(sense)
                        {
                            fxSense = Sense.DecodeFixed(senseBuf, out strSense);

                            StoppingErrorMessage?.Invoke("Drive could not go back one block. Sense follows..." +
                                                         Environment.NewLine                                   +
                                                         strSense);

                            _outputPlugin.Close();
                            _dumpLog.WriteLine("Drive could not go back one block. Sense follows...");

                            _dumpLog.WriteLine("Device not ready. Sense {0}h ASC {1:X2}h ASCQ {2:X2}h",
                                               fxSense?.SenseKey, fxSense?.ASC, fxSense?.ASCQ);

                            return;
                        }

                        continue;
                    }

                    switch(fxSense?.SenseKey)
                    {
                        case SenseKeys.BlankCheck when currentBlock == 0:
                            StoppingErrorMessage?.Invoke("Cannot dump a blank tape...");
                            _outputPlugin.Close();
                            _dumpLog.WriteLine("Cannot dump a blank tape...");

                            return;

                        // For sure this is an end-of-tape/partition
                        case SenseKeys.BlankCheck when fxSense?.ASC == 0x00 &&
                                                       (fxSense?.ASCQ == 0x02 || fxSense?.ASCQ == 0x05 ||
                                                        fxSense?.EOM  == true):
                            // TODO: Detect end of partition
                            endOfMedia = true;
                            UpdateStatus?.Invoke("Found end-of-tape/partition...");
                            _dumpLog.WriteLine("Found end-of-tape/partition...");

                            continue;
                        case SenseKeys.BlankCheck:
                            StoppingErrorMessage?.Invoke("Blank block found, end of tape?...");
                            endOfMedia = true;
                            _dumpLog.WriteLine("Blank block found, end of tape?...");

                            continue;
                    }

                    if((fxSense?.SenseKey == SenseKeys.NoSense ||
                        fxSense?.SenseKey == SenseKeys.RecoveredError) &&
                       (fxSense?.ASCQ == 0x02 || fxSense?.ASCQ == 0x05 || fxSense?.EOM == true))
                    {
                        // TODO: Detect end of partition
                        endOfMedia = true;
                        UpdateStatus?.Invoke("Found end-of-tape/partition...");
                        _dumpLog.WriteLine("Found end-of-tape/partition...");

                        continue;
                    }

                    if((fxSense?.SenseKey == SenseKeys.NoSense || fxSense?.SenseKey == SenseKeys.RecoveredError) &&
                       (fxSense?.ASCQ     == 0x01              || fxSense?.Filemark == true))
                    {
                        currentTapeFile.LastBlock = currentBlock - 1;
                        (_outputPlugin as IWritableTapeImage).AddFile(currentTapeFile);

                        currentFile++;

                        currentTapeFile = new TapeFile
                        {
                            File = currentFile, FirstBlock = currentBlock, Partition = currentPartition
                        };

                        UpdateStatus?.Invoke($"Changed to file {currentFile} at block {currentBlock}");
                        _dumpLog.WriteLine("Changed to file {0} at block {1}", currentFile, currentBlock);

                        continue;
                    }

                    if(fxSense is null)
                    {
                        StoppingErrorMessage?.
                            Invoke($"Drive could not read block ${currentBlock}. Sense cannot be decoded, look at log for dump...");

                        _dumpLog.WriteLine($"Drive could not read block ${currentBlock}. Sense bytes follow...");
                        _dumpLog.WriteLine(PrintHex.ByteArrayToHexArrayString(senseBuf, 32));
                    }
                    else
                    {
                        StoppingErrorMessage?.
                            Invoke($"Drive could not read block ${currentBlock}. Sense follows...\n{fxSense?.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?.SenseKey,
                                           fxSense?.ASC, fxSense?.ASCQ);
                    }

                    // 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++;
                currentSpeedSize += blockSize;

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

                if(elapsed < 1)
                    continue;

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

            blocks = currentBlock + 1;
            end    = DateTime.UtcNow;

            // If not aborted this is added at the end of medium
            if(_aborted)
            {
                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 || canLocateLong))
            {
                int  pass              = 1;
                bool forward           = false;
                bool runningPersistent = false;

                Modes.ModePage? currentModePage = null;

                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(canLocateLong)
                    {
                        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.");
            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;
            }

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

                return;
            }

            double totalChkDuration = 0;

            if(!_nometadata)
            {
                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;

                // TODO: Implement device firmware revision
                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].Manufacturer  = _dev.Manufacturer;
                sidecar.BlockMedia[0].Model         = _dev.Model;
                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.");

            UpdateStatus?.Invoke($"Fastest speed burst: {maxSpeed:F3} MiB/sec.");
            UpdateStatus?.Invoke($"Slowest speed burst: {minSpeed:F3} MiB/sec.");
            UpdateStatus?.Invoke($"{_resume.BadBlocks.Count} sectors could not be read.");
            UpdateStatus?.Invoke("");

            Statistics.AddMedia(dskType, true);
        }
    }
}