// /*************************************************************************** // Aaru Data Preservation Suite // ---------------------------------------------------------------------------- // // Filename : SSC.cs // Author(s) : Natalia Portillo // // 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 . // // ---------------------------------------------------------------------------- // Copyright © 2011-2025 Natalia Portillo // ****************************************************************************/ // ReSharper disable JoinDeclarationAndInitializer using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Text.Json; using System.Threading; using Aaru.CommonTypes; using Aaru.CommonTypes.AaruMetadata; using Aaru.CommonTypes.Enums; using Aaru.CommonTypes.Extents; using Aaru.CommonTypes.Interfaces; using Aaru.Core.Logging; using Aaru.Decoders.SCSI; using Aaru.Decoders.SCSI.SSC; using Aaru.Devices; using Aaru.Helpers; using Aaru.Logging; using Humanizer; using Humanizer.Bytes; using Humanizer.Localisation; using TapeFile = Aaru.CommonTypes.Structs.TapeFile; using TapePartition = Aaru.CommonTypes.Structs.TapePartition; using Version = Aaru.CommonTypes.Interop.Version; namespace Aaru.Core.Devices.Dumping; partial class Dump { /// Dumps the tape from a SCSI Streaming device void Ssc() { DecodedSense? decSense; bool sense; uint blockSize; ulong blocks = 0; MediaType dskType; double totalDuration = 0; double currentSpeed = 0; double maxSpeed = double.MinValue; double minSpeed = double.MaxValue; var outputTape = _outputPlugin as IWritableTapeImage; _dev.RequestSense(out byte[] buffer, _dev.Timeout, out double duration); decSense = Sense.Decode(buffer); InitProgress?.Invoke(); if(decSense.HasValue && decSense?.SenseKey != SenseKeys.NoSense) { AaruLogging.WriteLine(Localization.Core.Device_not_ready_Sense, decSense?.SenseKey, decSense?.ASC, decSense?.ASCQ); StoppingErrorMessage?.Invoke(Localization.Core.Drive_has_status_error_please_correct_Sense_follows + Environment.NewLine + decSense?.Description); return; } ReadOnlySpan senseBuf; // Not in BOM/P if(decSense is { ASC: 0x00 } && decSense?.ASCQ != 0x00 && decSense?.ASCQ != 0x04 && decSense?.SenseKey != SenseKeys.IllegalRequest) { PulseProgress?.Invoke(Localization.Core.Rewinding_please_wait); // Rewind, let timeout apply _dev.Rewind(out senseBuf, _dev.Timeout, out duration); // Still rewinding? // TODO: Pause? do { PulseProgress?.Invoke(Localization.Core.Rewinding_please_wait); _dev.RequestSense(out buffer, _dev.Timeout, out duration); decSense = Sense.Decode(buffer); } while(decSense is { ASC: 0x00, ASCQ: 0x1A or not (0x04 and 0x00) }); _dev.RequestSense(out buffer, _dev.Timeout, out duration); decSense = Sense.Decode(buffer); // And yet, did not rewind! if(decSense.HasValue && (decSense?.ASC == 0x00 && decSense?.ASCQ != 0x04 && decSense?.ASCQ != 0x00 || decSense?.ASC != 0x00)) { StoppingErrorMessage?.Invoke(Localization.Core.Drive_could_not_rewind_please_correct_Sense_follows + Environment.NewLine + decSense?.Description); AaruLogging.WriteLine(Localization.Core.Drive_could_not_rewind_please_correct_Sense_follows); AaruLogging.WriteLine(Localization.Core.Device_not_ready_Sense, decSense?.SenseKey, decSense?.ASC, decSense?.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 decSense = Sense.Decode(senseBuf); if(decSense.HasValue && (decSense?.ASC == 0x20 && decSense?.ASCQ != 0x00 || decSense?.ASC != 0x20 && decSense?.SenseKey != SenseKeys.IllegalRequest)) { StoppingErrorMessage?.Invoke(Localization.Core.Could_not_get_position_Sense_follows + Environment.NewLine + decSense?.Description); AaruLogging.WriteLine(Localization.Core.Could_not_get_position_Sense_follows); AaruLogging.WriteLine(Localization.Core.Device_not_ready_Sense, decSense?.SenseKey, decSense?.ASC, decSense?.ASCQ); return; } } else { // Not in partition 0 if(cmdBuf[1] != 0) { UpdateStatus?.Invoke(Localization.Core.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(Localization.Core.Drive_could_not_rewind_please_correct_Sense_follows + Environment.NewLine + decSense?.Description); AaruLogging.WriteLine(Localization.Core.Drive_could_not_rewind_please_correct_Sense_follows); AaruLogging.WriteLine(Localization.Core.Device_not_ready_Sense, decSense?.SenseKey, decSense?.ASC, decSense?.ASCQ); return; } // Still rewinding? // TODO: Pause? do { Thread.Sleep(1000); PulseProgress?.Invoke(Localization.Core.Rewinding_please_wait); _dev.RequestSense(out buffer, _dev.Timeout, out duration); decSense = Sense.Decode(buffer); } while(decSense is { ASC: 0x00, ASCQ: 0x1A or 0x19 }); // And yet, did not rewind! if(decSense.HasValue && (decSense?.ASC == 0x00 && decSense?.ASCQ != 0x04 && decSense?.ASCQ != 0x00 || decSense?.ASC != 0x00)) { StoppingErrorMessage?.Invoke(Localization.Core.Drive_could_not_rewind_please_correct_Sense_follows + Environment.NewLine + decSense?.Description); AaruLogging.WriteLine(Localization.Core.Drive_could_not_rewind_please_correct_Sense_follows); AaruLogging.WriteLine(Localization.Core.Device_not_ready_Sense, decSense?.SenseKey, decSense?.ASC, decSense?.ASCQ); return; } sense = _dev.ReadPosition(out cmdBuf, out senseBuf, SscPositionForms.Short, _dev.Timeout, out duration); if(sense) { decSense = Sense.Decode(senseBuf); StoppingErrorMessage?.Invoke(Localization.Core.Drive_could_not_rewind_please_correct_Sense_follows + Environment.NewLine + decSense?.Description); AaruLogging.WriteLine(Localization.Core.Drive_could_not_rewind_please_correct_Sense_follows); AaruLogging.WriteLine(Localization.Core.Device_not_ready_Sense, decSense?.SenseKey, decSense?.ASC, decSense?.ASCQ); return; } // Still not in partition 0!!!? if(cmdBuf[1] != 0) { StoppingErrorMessage?.Invoke(Localization.Core .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(Localization.Core.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(Localization.Core.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?.Header.MediumType ?? default(MediumTypes)); if(decMode?.Header.BlockDescriptors?.Length > 0) scsiDensityCodeTape = (byte)(decMode?.Header.BlockDescriptors[0].Density ?? default(DensityType)); blockSize = decMode?.Header.BlockDescriptors?[0].BlockLength ?? 0; UpdateStatus?.Invoke(string.Format(Localization.Core.Device_reports_0_blocks, blocks)); } else blockSize = 1; if(!_dev.ReadBlockLimits(out cmdBuf, out senseBuf, _dev.Timeout, out _)) { BlockLimits.BlockLimitsData? blockLimits = BlockLimits.Decode(cmdBuf); if(blockLimits?.minBlockLen > blockSize) blockSize = blockLimits?.minBlockLen ?? 0; } if(blockSize == 0) blockSize = 1; dskType = MediaTypeFromDevice.GetFromScsi((byte)_dev.ScsiType, _dev.Manufacturer, _dev.Model, scsiMediumTypeTape, scsiDensityCodeTape, blocks, blockSize, _dev.IsUsb, false); if(dskType == MediaType.Unknown) dskType = MediaType.UnknownTape; UpdateStatus?.Invoke(string.Format(Localization.Core.SCSI_device_type_0, _dev.ScsiType)); UpdateStatus?.Invoke(string.Format(Localization.Core.SCSI_medium_type_0, scsiMediumTypeTape)); UpdateStatus?.Invoke(string.Format(Localization.Core.SCSI_density_type_0, scsiDensityCodeTape)); UpdateStatus?.Invoke(string.Format(Localization.Core.Media_identified_as_0, dskType.Humanize())); 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) { decSense = Sense.Decode(senseBuf); if(decSense.HasValue) { switch(decSense) { case { SenseKey: SenseKeys.IllegalRequest }: { sense = _dev.Space(out senseBuf, SscSpaceCodes.LogicalBlock, -1, _dev.Timeout, out duration); if(sense) { decSense = Sense.Decode(senseBuf); bool eom = decSense?.Fixed?.EOM == true; if(decSense?.Descriptor != null && decSense.Value.Descriptor.Value.Descriptors.TryGetValue(4, out byte[] sscDescriptor)) Sense.DecodeDescriptor04(sscDescriptor, out _, out eom, out _); if(!eom) { StoppingErrorMessage?.Invoke(Localization.Core .Drive_could_not_return_back_Sense_follows + Environment.NewLine + decSense.Value.Description); AaruLogging.WriteLine(Localization.Core.Drive_could_not_return_back_Sense_follows); AaruLogging.WriteLine(Localization.Core.Device_not_ready_Sense, decSense.Value.SenseKey, decSense.Value.ASC, decSense.Value.ASCQ); return; } } fixedLen = true; transferLen = 1; sense = _dev.Read6(out cmdBuf, out senseBuf, false, fixedLen, transferLen, blockSize, _dev.Timeout, out duration); if(sense) { decSense = Sense.Decode(senseBuf); StoppingErrorMessage?.Invoke(Localization.Core.Drive_could_not_read_Sense_follows + Environment.NewLine + decSense.Value.Description); AaruLogging.WriteLine(Localization.Core.Drive_could_not_read_Sense_follows); AaruLogging.WriteLine(Localization.Core.Device_not_ready_Sense, decSense.Value.SenseKey, decSense.Value.ASC, decSense.Value.ASCQ); return; } break; } case { ASC: 0x00, ASCQ: 0x00 }: { bool ili = decSense.Value.Fixed?.ILI == true; bool valid = decSense.Value.Fixed?.InformationValid == true; uint information = decSense.Value.Fixed?.Information ?? 0; if(decSense.Value.Descriptor.HasValue) { valid = decSense.Value.Descriptor.Value.Descriptors.TryGetValue(0, out byte[] desc00); if(valid) information = (uint)Sense.DecodeDescriptor00(desc00); if(decSense.Value.Descriptor.Value.Descriptors.TryGetValue(4, out byte[] desc04)) Sense.DecodeDescriptor04(desc04, out _, out _, out ili); } if(ili && valid) { blockSize = (uint)((int)blockSize - BitConverter.ToInt32(BitConverter.GetBytes(information), 0)); transferLen = blockSize; UpdateStatus?.Invoke(string.Format(Localization.Core .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) { decSense = Sense.Decode(senseBuf); StoppingErrorMessage?.Invoke(Localization.Core .Drive_could_not_go_back_one_block_Sense_follows + Environment.NewLine + decSense.Value.Description); AaruLogging.WriteLine(Localization.Core .Drive_could_not_go_back_one_block_Sense_follows); AaruLogging.WriteLine(Localization.Core.Device_not_ready_Sense, decSense.Value.SenseKey, decSense.Value.ASC, decSense.Value.ASCQ); return; } goto firstRead; } StoppingErrorMessage?.Invoke(Localization.Core.Drive_could_not_read_Sense_follows + Environment.NewLine + decSense.Value.Description); AaruLogging.WriteLine(Localization.Core.Drive_could_not_read_Sense_follows); AaruLogging.WriteLine(Localization.Core.Device_not_ready_Sense, decSense.Value.SenseKey, decSense.Value.ASC, decSense.Value.ASCQ); return; } default: StoppingErrorMessage?.Invoke(Localization.Core.Drive_could_not_read_Sense_follows + Environment.NewLine + decSense.Value.Description); AaruLogging.WriteLine(Localization.Core.Drive_could_not_read_Sense_follows); AaruLogging.WriteLine(Localization.Core.Device_not_ready_Sense, decSense.Value.SenseKey, decSense.Value.ASC, decSense.Value.ASCQ); return; } } else { StoppingErrorMessage?.Invoke(Localization.Core.Cannot_read_device_dont_know_why_exiting); return; } } sense = _dev.Space(out senseBuf, SscSpaceCodes.LogicalBlock, -1, _dev.Timeout, out duration); if(sense) { decSense = Sense.Decode(senseBuf); bool eom = decSense?.Fixed?.EOM == true; if(decSense.Value.Descriptor.HasValue && decSense.Value.Descriptor.Value.Descriptors.TryGetValue(4, out byte[] desc04)) Sense.DecodeDescriptor04(desc04, out _, out eom, out _); if(!eom) { StoppingErrorMessage?.Invoke(Localization.Core.Drive_could_not_return_back_Sense_follows + Environment.NewLine + decSense.Value.Description); AaruLogging.WriteLine(Localization.Core.Drive_could_not_return_back_Sense_follows); AaruLogging.WriteLine(Localization.Core.Device_not_ready_Sense, decSense.Value.SenseKey, decSense.Value.ASC, decSense.Value.ASCQ); return; } } DumpHardware 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, _force, true); if(currentTry == null || extents == null) { StoppingErrorMessage?.Invoke(Localization.Core.Could_not_process_resume_file_not_continuing); return; } bool canLocateLong = false; bool canLocate = false; UpdateStatus?.Invoke(Localization.Core.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(Localization.Core.LOCATE_LONG_works); } } } 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(Localization.Core.LOCATE_works); } } } if(_resume.NextBlock > 0) { UpdateStatus?.Invoke(string.Format(Localization.Core.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) { StoppingErrorMessage?.Invoke(Localization.Core .Could_not_check_current_position_unable_to_resume_If_you_want_to_continue_use_force); return; } ErrorMessage?.Invoke(Localization.Core .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) { StoppingErrorMessage?.Invoke(Localization.Core .Current_position_is_not_as_expected_unable_to_resume_If_you_want_to_continue_use_force); return; } ErrorMessage?.Invoke(Localization.Core .Current_position_is_not_as_expected_unable_to_resume_Dumping_from_the_start); canLocateLong = false; } } } else { if(!_force) { StoppingErrorMessage?.Invoke(Localization.Core .Cannot_reposition_tape_unable_to_resume_If_you_want_to_continue_use_force); return; } ErrorMessage?.Invoke(Localization.Core .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) { StoppingErrorMessage?.Invoke(Localization.Core .Could_not_check_current_position_unable_to_resume_If_you_want_to_continue_use_force); return; } ErrorMessage?.Invoke(Localization.Core .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) { StoppingErrorMessage?.Invoke(Localization.Core .Current_position_is_not_as_expected_unable_to_resume_If_you_want_to_continue_use_force); return; } ErrorMessage?.Invoke(Localization.Core .Current_position_is_not_as_expected_unable_to_resume_Dumping_from_the_start); canLocate = false; } } } else { if(!_force) { StoppingErrorMessage?.Invoke(Localization.Core .Cannot_reposition_tape_unable_to_resume_If_you_want_to_continue_use_force); return; } ErrorMessage?.Invoke(Localization.Core .Cannot_reposition_tape_unable_to_resume_Dumping_from_the_start); canLocate = false; } } else { if(!_force) { StoppingErrorMessage?.Invoke(Localization.Core .Cannot_reposition_tape_unable_to_resume_If_you_want_to_continue_use_force); return; } ErrorMessage?.Invoke(Localization.Core.Cannot_reposition_tape_unable_to_resume_Dumping_from_the_start); canLocate = false; } } else { _ = 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(Localization.Core.Rewinding_please_wait); _dev.RequestSense(out buffer, _dev.Timeout, out duration); decSense = Sense.Decode(buffer); } while(decSense is { ASC: 0x00, ASCQ: 0x1A or 0x19 }); // And yet, did not rewind! if(decSense.HasValue && (decSense.Value.ASC == 0x00 && decSense.Value.ASCQ != 0x00 && decSense.Value.ASCQ != 0x04 || decSense.Value.ASC != 0x00)) { StoppingErrorMessage?.Invoke(Localization.Core.Drive_could_not_rewind_please_correct_Sense_follows + Environment.NewLine + decSense.Value.Description); AaruLogging.WriteLine(Localization.Core.Drive_could_not_rewind_please_correct_Sense_follows); AaruLogging.WriteLine(Localization.Core.Device_not_ready_Sense, decSense.Value.SenseKey, decSense.Value.ASC, decSense.Value.ASCQ); return; } } bool ret = outputTape.SetTape(); // Cannot set image to tape mode if(!ret) { StoppingErrorMessage?.Invoke(Localization.Core.Error_setting_output_image_in_tape_mode_not_continuing + Environment.NewLine + outputTape.ErrorMessage); return; } ret = outputTape.Create(_outputPath, dskType, _formatOptions, 0, 0); // Cannot create image if(!ret) { StoppingErrorMessage?.Invoke(Localization.Core.Error_creating_output_image_not_continuing + Environment.NewLine + outputTape.ErrorMessage); return; } _dumpStopwatch.Restart(); var mhddLog = new MhddLog(_outputPrefix + ".mhddlog.bin", _dev, blocks, blockSize, 1, _private); 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 = outputTape.Files.FirstOrDefault(f => f.LastBlock == outputTape?.Files.Max(g => g.LastBlock)); currentTapePartition = outputTape.TapePartitions.FirstOrDefault(p => p.LastBlock == outputTape?.TapePartitions.Max(g => g.LastBlock)); } if(mode6Data != null) outputTape.WriteMediaTag(mode6Data, MediaTagType.SCSI_MODESENSE_6); if(mode10Data != null) outputTape.WriteMediaTag(mode10Data, MediaTagType.SCSI_MODESENSE_10); ulong currentSpeedSize = 0; double imageWriteDuration = 0; InitProgress?.Invoke(); _speedStopwatch.Reset(); while(currentPartition < totalPartitions) { if(_aborted) { currentTry.Extents = ExtentsConverter.ToMetadata(extents); UpdateStatus?.Invoke(Localization.Core.Aborted); break; } if(endOfMedia) { UpdateStatus?.Invoke(string.Format(Localization.Core.Finished_partition_0, currentPartition)); currentTapeFile.LastBlock = currentBlock - 1; if(currentTapeFile.LastBlock > currentTapeFile.FirstBlock) outputTape.AddFile(currentTapeFile); currentTapePartition.LastBlock = currentBlock - 1; outputTape.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(string.Format(Localization.Core.Seeking_to_partition_0, currentPartition)); _dev.Locate(out senseBuf, false, currentPartition, 0, _dev.Timeout, out duration); totalDuration += duration; } continue; } if(currentSpeed > maxSpeed && currentSpeed > 0) maxSpeed = currentSpeed; if(currentSpeed < minSpeed && currentSpeed > 0) minSpeed = currentSpeed; PulseProgress?.Invoke(string.Format(Localization.Core.Reading_block_0_1, currentBlock, ByteSize.FromBytes(currentSpeed).Per(_oneSecond).Humanize())); _speedStopwatch.Start(); sense = _dev.Read6(out cmdBuf, out senseBuf, false, fixedLen, transferLen, blockSize, _dev.Timeout, out duration); _speedStopwatch.Stop(); totalDuration += duration; if(sense && !senseBuf.IsEmpty) { decSense = Sense.Decode(senseBuf); bool ili = decSense?.Fixed?.ILI == true; bool valid = decSense?.Fixed?.InformationValid == true; uint information = decSense?.Fixed?.Information ?? 0; bool eom = decSense?.Fixed?.EOM == true; bool filemark = decSense?.Fixed?.Filemark == true; if(decSense?.Descriptor.HasValue == true) { if(decSense.Value.Descriptor.Value.Descriptors.TryGetValue(0, out byte[] desc00)) { valid = true; information = (uint)Sense.DecodeDescriptor00(desc00); } if(decSense.Value.Descriptor.Value.Descriptors.TryGetValue(4, out byte[] desc04)) Sense.DecodeDescriptor04(desc04, out filemark, out eom, out ili); } if(decSense.Value is { ASC: 0x00, ASCQ: 0x00 } && ili && valid) { blockSize = (uint)((int)blockSize - BitConverter.ToInt32(BitConverter.GetBytes(information), 0)); if(!fixedLen) transferLen = blockSize; UpdateStatus?.Invoke(string.Format(Localization.Core.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) { decSense = Sense.Decode(senseBuf); StoppingErrorMessage?.Invoke(Localization.Core.Drive_could_not_go_back_one_block_Sense_follows + Environment.NewLine + decSense.Value.Description); outputTape.Close(); AaruLogging.WriteLine(Localization.Core.Drive_could_not_go_back_one_block_Sense_follows); AaruLogging.WriteLine(Localization.Core.Device_not_ready_Sense, decSense.Value.SenseKey, decSense.Value.ASC, decSense.Value.ASCQ); return; } continue; } switch(decSense.Value.SenseKey) { case SenseKeys.BlankCheck when currentBlock == 0: StoppingErrorMessage?.Invoke(Localization.Core.Cannot_dump_a_blank_tape); outputTape.Close(); return; // For sure this is an end-of-tape/partition case SenseKeys.BlankCheck when decSense.Value.ASC == 0x00 && (decSense.Value.ASCQ is 0x02 or 0x05 || eom): // TODO: Detect end of partition endOfMedia = true; UpdateStatus?.Invoke(Localization.Core.Found_end_of_tape_partition); continue; case SenseKeys.BlankCheck: StoppingErrorMessage?.Invoke(Localization.Core.Blank_block_found_end_of_tape); endOfMedia = true; continue; } switch(decSense.Value.SenseKey) { case SenseKeys.NoSense or SenseKeys.RecoveredError when decSense.Value.ASCQ is 0x02 or 0x05 || eom: // TODO: Detect end of partition endOfMedia = true; UpdateStatus?.Invoke(Localization.Core.Found_end_of_tape_partition); continue; case SenseKeys.NoSense or SenseKeys.RecoveredError when decSense.Value.ASCQ == 0x01 || filemark: currentTapeFile.LastBlock = currentBlock - 1; outputTape.AddFile(currentTapeFile); currentFile++; currentTapeFile = new TapeFile { File = currentFile, FirstBlock = currentBlock, Partition = currentPartition }; UpdateStatus?.Invoke(string.Format(Localization.Core.Changed_to_file_0_at_block_1, currentFile, currentBlock)); continue; } if(decSense is null) { StoppingErrorMessage?.Invoke(string.Format(Localization.Core .Drive_could_not_read_block_0_Sense_cannot_be_decoded_look_at_log_for_dump, currentBlock)); AaruLogging.Information(string.Format(Localization.Core .Drive_could_not_read_block_0_Sense_bytes_follow, currentBlock)); AaruLogging.Information(PrintHex.ByteArrayToHexArrayString(senseBuf.ToArray(), 32)); } else { StoppingErrorMessage?.Invoke(string.Format(Localization.Core .Drive_could_not_read_block_0_Sense_follow_1_2, currentBlock, decSense.Value.SenseKey, decSense.Value.Description)); AaruLogging.WriteLine(string.Format(Localization.Core.Drive_could_not_read_block_0_Sense_follows, currentBlock)); AaruLogging.WriteLine(Localization.Core.Device_not_ready_Sense, decSense.Value.SenseKey, decSense.Value.ASC, decSense.Value.ASCQ); } // TODO: Reset device after X errors if(_stopOnError) return; // TODO: Return more cleanly // Write empty data _writeStopwatch.Restart(); outputTape.WriteSector(new byte[blockSize], currentBlock); imageWriteDuration += _writeStopwatch.Elapsed.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); _writeStopwatch.Restart(); outputTape.WriteSector(cmdBuf, currentBlock); imageWriteDuration += _writeStopwatch.Elapsed.TotalSeconds; extents.Add(currentBlock, 1, true); } _writeStopwatch.Stop(); currentBlock++; _resume.NextBlock++; currentSpeedSize += blockSize; double elapsed = _speedStopwatch.Elapsed.TotalSeconds; if(elapsed <= 0 || currentSpeedSize < 524288) continue; currentSpeed = currentSpeedSize / (1048576 * elapsed); currentSpeedSize = 0; _speedStopwatch.Reset(); } _resume.BadBlocks = _resume.BadBlocks.Distinct().ToList(); blocks = currentBlock + 1; _speedStopwatch.Stop(); _dumpStopwatch.Stop(); // If not aborted this is added at the end of medium if(_aborted) { currentTapeFile.LastBlock = currentBlock - 1; outputTape.AddFile(currentTapeFile); currentTapePartition.LastBlock = currentBlock - 1; outputTape.AddPartition(currentTapePartition); } EndProgress?.Invoke(); mhddLog.Close(); ibgLog.Close(_dev, blocks, blockSize, _dumpStopwatch.Elapsed.TotalSeconds, currentSpeed * 1024, blockSize * (double)(blocks + 1) / 1024 / (totalDuration / 1000), _devicePath); UpdateStatus?.Invoke(string.Format(Localization.Core.Dump_finished_in_0, _dumpStopwatch.Elapsed.Humanize(minUnit: TimeUnit.Second))); UpdateStatus?.Invoke(string.Format(Localization.Core.Average_dump_speed_0, ByteSize.FromBytes(blockSize * (blocks + 1)) .Per(totalDuration.Milliseconds()) .Humanize())); UpdateStatus?.Invoke(string.Format(Localization.Core.Average_write_speed_0, ByteSize.FromBytes(blockSize * (blocks + 1)) .Per(imageWriteDuration.Seconds()) .Humanize())); #region Error handling if(_resume.BadBlocks.Count > 0 && !_aborted && _retryPasses > 0 && (canLocate || canLocateLong)) { int pass = 1; bool forward = false; const bool runningPersistent = false; Modes.ModePage? currentModePage; 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(Localization.Core.Aborted); break; } if(forward) { PulseProgress?.Invoke(runningPersistent ? string.Format(Localization.Core .Retrying_sector_0_pass_1_recovering_partial_data_forward, badBlock, pass) : string.Format(Localization.Core.Retrying_sector_0_pass_1_forward, badBlock, pass)); } else { PulseProgress?.Invoke(runningPersistent ? string.Format(Localization.Core .Retrying_sector_0_pass_1_recovering_partial_data_reverse, badBlock, pass) : string.Format(Localization.Core.Retrying_sector_0_pass_1_reverse, badBlock, pass)); } UpdateStatus?.Invoke(string.Format(Localization.Core.Positioning_tape_to_block_0, 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) { StoppingErrorMessage?.Invoke(Localization.Core.Could_not_check_current_position_continuing); continue; } ulong position = Swapping.Swap(BitConverter.ToUInt64(cmdBuf, 8)); if(position != _resume.NextBlock) { StoppingErrorMessage?.Invoke(Localization.Core .Current_position_is_not_as_expected_continuing); continue; } } else { ErrorMessage?.Invoke(string.Format(Localization.Core.Cannot_position_tape_to_block_0, 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) { StoppingErrorMessage?.Invoke(Localization.Core.Could_not_check_current_position_continuing); continue; } ulong position = Swapping.Swap(BitConverter.ToUInt32(cmdBuf, 4)); if(position != _resume.NextBlock) { StoppingErrorMessage?.Invoke(Localization.Core .Current_position_is_not_as_expected_continuing); continue; } } else { ErrorMessage?.Invoke(string.Format(Localization.Core.Cannot_position_tape_to_block_0, 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); outputTape.WriteSector(cmdBuf, badBlock); UpdateStatus?.Invoke(string.Format(Localization.Core.Correctly_retried_block_0_in_pass_1, badBlock, pass)); } else if(runningPersistent) outputTape.WriteSector(cmdBuf, badBlock); } 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) { // TODO: Persistent mode } EndProgress?.Invoke(); } #endregion Error handling _resume.BadBlocks.Sort(); foreach(ulong bad in _resume.BadBlocks) AaruLogging.Information(Localization.Core.Block_0_could_not_be_read, bad); currentTry.Extents = ExtentsConverter.ToMetadata(extents); outputTape.SetDumpHardware(_resume.Tries); // TODO: Media Serial Number var metadata = new CommonTypes.Structs.ImageInfo { Application = "Aaru", ApplicationVersion = Version.GetInformationalVersion() }; if(!outputTape.SetImageInfo(metadata)) { ErrorMessage?.Invoke(Localization.Core.Error_0_setting_metadata + Environment.NewLine + outputTape.ErrorMessage); } if(_preSidecar != null) outputTape.SetMetadata(_preSidecar); UpdateStatus?.Invoke(Localization.Core.Closing_output_file); _imageCloseStopwatch.Restart(); outputTape.Close(); _imageCloseStopwatch.Stop(); UpdateStatus?.Invoke(string.Format(Localization.Core.Closed_in_0, _imageCloseStopwatch.Elapsed.Humanize(minUnit: TimeUnit.Second))); if(_aborted) { UpdateStatus?.Invoke(Localization.Core.Aborted); return; } double totalChkDuration = 0; if(_metadata) { UpdateStatus?.Invoke(Localization.Core.Creating_sidecar); IFilter filter = PluginRegister.Singleton.GetFilter(_outputPath); var inputPlugin = ImageFormat.Detect(filter) as IMediaImage; ErrorNumber opened = inputPlugin.Open(filter); if(opened != ErrorNumber.NoError) { StoppingErrorMessage?.Invoke(string.Format(Localization.Core.Error_0_opening_created_image, opened)); return; } _sidecarStopwatch.Restart(); _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; Metadata sidecar = _sidecarClass.Create(); _sidecarStopwatch.Stop(); if(!_aborted) { totalChkDuration = _sidecarStopwatch.ElapsedMilliseconds; UpdateStatus?.Invoke(string.Format(Localization.Core.Sidecar_created_in_0, _sidecarStopwatch.Elapsed.Humanize(minUnit: TimeUnit.Second))); UpdateStatus?.Invoke(string.Format(Localization.Core.Average_checksum_speed_0, ByteSize.FromBytes(blockSize * (blocks + 1)) .Per(totalChkDuration.Milliseconds()) .Humanize())); if(_preSidecar != null) { _preSidecar.BlockMedias = sidecar.BlockMedias; sidecar = _preSidecar; } List<(ulong start, string type)> filesystems = []; if(sidecar.BlockMedias[0].FileSystemInformation != null) { filesystems.AddRange(from partition in sidecar.BlockMedias[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(string.Format(Localization.Core.Found_filesystem_0_at_sector_1, filesystem.type, filesystem.start)); } } sidecar.BlockMedias[0].Dimensions = Dimensions.FromMediaType(dskType); (string type, string subType) xmlType = CommonTypes.Metadata.MediaType.MediaTypeToString(dskType); sidecar.BlockMedias[0].MediaType = xmlType.type; sidecar.BlockMedias[0].MediaSubType = xmlType.subType; // TODO: Implement device firmware revision if(!_dev.IsRemovable || _dev.IsUsb) { if(_dev.Type == DeviceType.ATAPI) sidecar.BlockMedias[0].Interface = "ATAPI"; else if(_dev.IsUsb) sidecar.BlockMedias[0].Interface = "USB"; else if(_dev.IsFireWire) sidecar.BlockMedias[0].Interface = "FireWire"; else sidecar.BlockMedias[0].Interface = "SCSI"; } sidecar.BlockMedias[0].LogicalBlocks = blocks; sidecar.BlockMedias[0].Manufacturer = _dev.Manufacturer; sidecar.BlockMedias[0].Model = _dev.Model; if(!_private) sidecar.BlockMedias[0].Serial = _dev.Serial; sidecar.BlockMedias[0].Size = blocks * blockSize; if(_dev.IsRemovable) sidecar.BlockMedias[0].DumpHardware = _resume.Tries; UpdateStatus?.Invoke(Localization.Core.Writing_metadata_sidecar); var jsonFs = new FileStream(_outputPrefix + ".metadata.json", FileMode.Create); JsonSerializer.Serialize(jsonFs, new MetadataJson { AaruMetadata = sidecar }, typeof(MetadataJson), MetadataJsonContext.Default); jsonFs.Close(); } } UpdateStatus?.Invoke(""); UpdateStatus?.Invoke(string.Format(Localization.Core .Took_a_total_of_0_1_processing_commands_2_checksumming_3_writing_4_closing, _sidecarStopwatch.Elapsed.Humanize(minUnit: TimeUnit.Second), totalDuration.Milliseconds().Humanize(minUnit: TimeUnit.Second), totalChkDuration.Milliseconds().Humanize(minUnit: TimeUnit.Second), imageWriteDuration.Seconds().Humanize(minUnit: TimeUnit.Second), _imageCloseStopwatch.Elapsed.Humanize(minUnit: TimeUnit.Second))); UpdateStatus?.Invoke(string.Format(Localization.Core.Average_speed_0, ByteSize.FromBytes(blockSize * (blocks + 1)) .Per(totalDuration.Milliseconds()) .Humanize())); if(maxSpeed > 0) { UpdateStatus?.Invoke(string.Format(Localization.Core.Fastest_speed_burst_0, ByteSize.FromMegabytes(maxSpeed).Per(_oneSecond).Humanize())); } if(minSpeed is > 0 and < double.MaxValue) { UpdateStatus?.Invoke(string.Format(Localization.Core.Slowest_speed_burst_0, ByteSize.FromMegabytes(minSpeed).Per(_oneSecond).Humanize())); } UpdateStatus?.Invoke(string.Format(Localization.Core._0_sectors_could_not_be_read, _resume.BadBlocks.Count)); UpdateStatus?.Invoke(""); Statistics.AddMedia(dskType, true); } }