mirror of
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700 lines
25 KiB
C#
700 lines
25 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : ImageChecksumViewModel.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : GUI view models.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// View model and code for the image checksum window.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General public License for more details.
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//
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// You should have received a copy of the GNU General public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2020 Natalia Portillo
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// ****************************************************************************/
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using System;
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using System.Collections.ObjectModel;
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using System.Reactive;
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using System.Threading;
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using Aaru.CommonTypes.Interfaces;
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using Aaru.CommonTypes.Structs;
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using Aaru.Console;
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using Aaru.Core;
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using Aaru.Gui.Models;
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using Avalonia.Controls;
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using Avalonia.Threading;
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using ReactiveUI;
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using Schemas;
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namespace Aaru.Gui.ViewModels.Windows
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{
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public sealed class ImageChecksumViewModel : ViewModelBase
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{
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// How many sectors to read at once
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const uint SECTORS_TO_READ = 256;
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readonly IMediaImage _inputFormat;
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readonly Window _view;
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bool _adler32Checked;
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bool _cancel;
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bool _checksumMediaChecked;
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bool _checksumTracksChecked;
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bool _checksumTracksVisible;
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bool _closeCommandEnabled;
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bool _closeCommandVisible;
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bool _crc16Checked;
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bool _crc32Checked;
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bool _crc64Checked;
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bool _fletcher16Checked;
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bool _fletcher32Checked;
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bool _md5Checked;
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bool _mediaChecksumsVisible;
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bool _optionsEnabled;
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bool _progress1Visible;
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double _progress2Max;
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string _progress2Text;
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double _progress2Value;
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bool _progress2Visible;
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double _progressMax;
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string _progressText;
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double _progressValue;
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bool _progressVisible;
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bool _resultsVisible;
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bool _sha1Checked;
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bool _sha256Checked;
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bool _sha384Checked;
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bool _sha512Checked;
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bool _spamsumChecked;
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bool _startCommandEnabled;
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bool _startCommandVisible;
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bool _stopCommandEnabled;
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bool _stopCommandVisible;
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string _title;
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bool _trackChecksumsVisible;
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public ImageChecksumViewModel(IMediaImage inputFormat, Window view)
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{
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_view = view;
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_cancel = false;
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_inputFormat = inputFormat;
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ChecksumTracksChecked = ChecksumTracksVisible;
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OptionsEnabled = true;
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ChecksumMediaChecked = true;
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ChecksumTracksChecked = true;
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Adler32Checked = true;
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Crc16Checked = true;
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Crc32Checked = true;
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Md5Checked = true;
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Sha1Checked = true;
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SpamsumChecked = true;
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TrackChecksums = new ObservableCollection<ChecksumModel>();
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MediaChecksums = new ObservableCollection<ChecksumModel>();
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StartCommand = ReactiveCommand.Create(ExecuteStartCommand);
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CloseCommand = ReactiveCommand.Create(ExecuteCloseCommand);
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StopCommand = ReactiveCommand.Create(ExecuteStopCommand);
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StopCommandVisible = false;
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StartCommandVisible = true;
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CloseCommandVisible = true;
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StopCommandEnabled = true;
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StartCommandEnabled = true;
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CloseCommandEnabled = true;
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try
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{
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ChecksumTracksVisible = (inputFormat as IOpticalMediaImage)?.Tracks?.Count > 0;
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}
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catch
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{
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ChecksumTracksVisible = false;
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}
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}
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public string Title
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{
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get => _title;
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set => this.RaiseAndSetIfChanged(ref _title, value);
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}
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public bool OptionsEnabled
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{
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get => _optionsEnabled;
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set => this.RaiseAndSetIfChanged(ref _optionsEnabled, value);
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}
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public bool ChecksumMediaChecked
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{
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get => _checksumMediaChecked;
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set => this.RaiseAndSetIfChanged(ref _checksumMediaChecked, value);
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}
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public bool ChecksumTracksChecked
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{
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get => _checksumTracksChecked;
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set => this.RaiseAndSetIfChanged(ref _checksumTracksChecked, value);
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}
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public bool Adler32Checked
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{
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get => _adler32Checked;
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set => this.RaiseAndSetIfChanged(ref _adler32Checked, value);
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}
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public bool Crc16Checked
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{
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get => _crc16Checked;
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set => this.RaiseAndSetIfChanged(ref _crc16Checked, value);
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}
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public bool Crc32Checked
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{
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get => _crc32Checked;
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set => this.RaiseAndSetIfChanged(ref _crc32Checked, value);
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}
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public bool Crc64Checked
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{
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get => _crc64Checked;
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set => this.RaiseAndSetIfChanged(ref _crc64Checked, value);
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}
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public bool Fletcher16Checked
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{
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get => _fletcher16Checked;
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set => this.RaiseAndSetIfChanged(ref _fletcher16Checked, value);
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}
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public bool Fletcher32Checked
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{
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get => _fletcher32Checked;
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set => this.RaiseAndSetIfChanged(ref _fletcher32Checked, value);
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}
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public bool Md5Checked
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{
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get => _md5Checked;
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set => this.RaiseAndSetIfChanged(ref _md5Checked, value);
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}
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public bool Sha1Checked
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{
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get => _sha1Checked;
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set => this.RaiseAndSetIfChanged(ref _sha1Checked, value);
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}
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public bool Sha256Checked
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{
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get => _sha256Checked;
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set => this.RaiseAndSetIfChanged(ref _sha256Checked, value);
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}
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public bool Sha384Checked
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{
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get => _sha384Checked;
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set => this.RaiseAndSetIfChanged(ref _sha384Checked, value);
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}
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public bool Sha512Checked
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{
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get => _sha512Checked;
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set => this.RaiseAndSetIfChanged(ref _sha512Checked, value);
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}
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public bool SpamsumChecked
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{
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get => _spamsumChecked;
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set => this.RaiseAndSetIfChanged(ref _spamsumChecked, value);
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}
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public bool ResultsVisible
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{
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get => _resultsVisible;
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set => this.RaiseAndSetIfChanged(ref _resultsVisible, value);
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}
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public bool TrackChecksumsVisible
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{
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get => _trackChecksumsVisible;
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set => this.RaiseAndSetIfChanged(ref _trackChecksumsVisible, value);
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}
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public bool MediaChecksumsVisible
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{
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get => _mediaChecksumsVisible;
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set => this.RaiseAndSetIfChanged(ref _mediaChecksumsVisible, value);
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}
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public bool ProgressVisible
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{
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get => _progressVisible;
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set => this.RaiseAndSetIfChanged(ref _progressVisible, value);
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}
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public bool Progress1Visible
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{
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get => _progress1Visible;
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set => this.RaiseAndSetIfChanged(ref _progress1Visible, value);
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}
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public string ProgressText
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{
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get => _progressText;
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set => this.RaiseAndSetIfChanged(ref _progressText, value);
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}
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public double ProgressMax
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{
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get => _progressMax;
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set => this.RaiseAndSetIfChanged(ref _progressMax, value);
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}
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public double ProgressValue
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{
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get => _progressValue;
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set => this.RaiseAndSetIfChanged(ref _progressValue, value);
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}
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public bool Progress2Visible
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{
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get => _progress2Visible;
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set => this.RaiseAndSetIfChanged(ref _progress2Visible, value);
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}
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public string Progress2Text
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{
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get => _progress2Text;
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set => this.RaiseAndSetIfChanged(ref _progress2Text, value);
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}
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public double Progress2Max
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{
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get => _progress2Max;
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set => this.RaiseAndSetIfChanged(ref _progress2Max, value);
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}
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public double Progress2Value
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{
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get => _progress2Value;
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set => this.RaiseAndSetIfChanged(ref _progress2Value, value);
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}
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public bool StartCommandEnabled
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{
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get => _startCommandEnabled;
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set => this.RaiseAndSetIfChanged(ref _startCommandEnabled, value);
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}
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public bool StartCommandVisible
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{
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get => _startCommandVisible;
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set => this.RaiseAndSetIfChanged(ref _startCommandVisible, value);
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}
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public bool CloseCommandEnabled
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{
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get => _closeCommandEnabled;
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set => this.RaiseAndSetIfChanged(ref _closeCommandEnabled, value);
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}
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public bool CloseCommandVisible
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{
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get => _closeCommandVisible;
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set => this.RaiseAndSetIfChanged(ref _closeCommandVisible, value);
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}
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public bool StopCommandEnabled
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{
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get => _stopCommandEnabled;
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set => this.RaiseAndSetIfChanged(ref _stopCommandEnabled, value);
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}
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public bool StopCommandVisible
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{
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get => _stopCommandVisible;
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set => this.RaiseAndSetIfChanged(ref _stopCommandVisible, value);
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}
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public bool ChecksumTracksVisible
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{
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get => _checksumTracksVisible;
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set => this.RaiseAndSetIfChanged(ref _stopCommandVisible, value);
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}
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public ObservableCollection<ChecksumModel> TrackChecksums { get; }
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public ObservableCollection<ChecksumModel> MediaChecksums { get; }
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public ReactiveCommand<Unit, Unit> StartCommand { get; }
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public ReactiveCommand<Unit, Unit> CloseCommand { get; }
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public ReactiveCommand<Unit, Unit> StopCommand { get; }
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void ExecuteStartCommand()
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{
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OptionsEnabled = false;
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CloseCommandVisible = false;
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StartCommandVisible = false;
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StopCommandVisible = true;
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ProgressVisible = true;
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Progress1Visible = true;
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Progress2Visible = false;
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new Thread(DoWork)
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{
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Priority = ThreadPriority.BelowNormal
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}.Start();
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}
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void ExecuteCloseCommand() => _view.Close();
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internal void ExecuteStopCommand()
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{
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_cancel = true;
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StopCommandEnabled = false;
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}
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async void DoWork()
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{
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var opticalMediaImage = _inputFormat as IOpticalMediaImage;
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bool formatHasTracks = false;
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if(opticalMediaImage != null)
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try
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{
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formatHasTracks = opticalMediaImage.Tracks?.Count > 0;
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}
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catch
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{
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formatHasTracks = false;
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}
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// Setup progress bars
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await Dispatcher.UIThread.InvokeAsync(() =>
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{
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ProgressVisible = true;
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Progress1Visible = true;
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Progress2Visible = true;
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ProgressMax = 1;
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Progress2Max = (int)(_inputFormat.Info.Sectors / SECTORS_TO_READ);
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if(formatHasTracks &&
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ChecksumTracksChecked &&
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opticalMediaImage != null)
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ProgressMax += opticalMediaImage.Tracks.Count;
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else
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{
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ProgressMax = 2;
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Progress2Visible = false;
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}
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});
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var enabledChecksums = new EnableChecksum();
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if(Adler32Checked)
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enabledChecksums |= EnableChecksum.Adler32;
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if(Crc16Checked)
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enabledChecksums |= EnableChecksum.Crc16;
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if(Crc32Checked)
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enabledChecksums |= EnableChecksum.Crc32;
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if(Crc64Checked)
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enabledChecksums |= EnableChecksum.Crc64;
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if(Md5Checked)
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enabledChecksums |= EnableChecksum.Md5;
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if(Sha1Checked)
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enabledChecksums |= EnableChecksum.Sha1;
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if(Sha256Checked)
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enabledChecksums |= EnableChecksum.Sha256;
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if(Sha384Checked)
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enabledChecksums |= EnableChecksum.Sha384;
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if(Sha512Checked)
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enabledChecksums |= EnableChecksum.Sha512;
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if(SpamsumChecked)
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enabledChecksums |= EnableChecksum.SpamSum;
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if(Fletcher16Checked)
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enabledChecksums |= EnableChecksum.Fletcher16;
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if(Fletcher32Checked)
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enabledChecksums |= EnableChecksum.Fletcher32;
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Checksum mediaChecksum = null;
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if(opticalMediaImage?.Tracks != null)
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try
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{
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Checksum trackChecksum = null;
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if(ChecksumMediaChecked)
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mediaChecksum = new Checksum(enabledChecksums);
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ulong previousTrackEnd = 0;
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foreach(Track currentTrack in opticalMediaImage.Tracks)
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{
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await Dispatcher.UIThread.InvokeAsync(() =>
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{
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ProgressText =
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$"Hashing track {currentTrack.TrackSequence} of {opticalMediaImage.Tracks.Count}";
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ProgressValue++;
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});
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if(currentTrack.TrackStartSector - previousTrackEnd != 0 && ChecksumMediaChecked)
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for(ulong i = previousTrackEnd + 1; i < currentTrack.TrackStartSector; i++)
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{
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ulong sector = i;
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await Dispatcher.UIThread.InvokeAsync(() =>
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{
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Progress2Value = (int)(sector / SECTORS_TO_READ);
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Progress2Text = $"Hashing track-less sector {sector}";
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});
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byte[] hiddenSector = opticalMediaImage.ReadSector(i);
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mediaChecksum?.Update(hiddenSector);
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}
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AaruConsole.DebugWriteLine("Checksum command",
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"Track {0} starts at sector {1} and ends at sector {2}",
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currentTrack.TrackSequence, currentTrack.TrackStartSector,
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currentTrack.TrackEndSector);
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if(ChecksumTracksChecked)
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trackChecksum = new Checksum(enabledChecksums);
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ulong sectors = (currentTrack.TrackEndSector - currentTrack.TrackStartSector) + 1;
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ulong doneSectors = 0;
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while(doneSectors < sectors)
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{
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if(_cancel)
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{
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await Dispatcher.UIThread.InvokeAsync(() =>
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{
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CloseCommandVisible = true;
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StartCommandVisible = false;
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StopCommandVisible = false;
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});
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return;
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}
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byte[] sector;
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if(sectors - doneSectors >= SECTORS_TO_READ)
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{
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sector = opticalMediaImage.ReadSectors(doneSectors, SECTORS_TO_READ,
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currentTrack.TrackSequence);
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ulong doneSectorsToInvoke = doneSectors;
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await Dispatcher.UIThread.InvokeAsync(() =>
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{
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Progress2Value = (int)(doneSectorsToInvoke / SECTORS_TO_READ);
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Progress2Text =
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$"Hashing sectors {doneSectorsToInvoke} to {doneSectorsToInvoke + SECTORS_TO_READ} of track {currentTrack.TrackSequence}";
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});
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doneSectors += SECTORS_TO_READ;
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}
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else
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{
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sector = opticalMediaImage.ReadSectors(doneSectors, (uint)(sectors - doneSectors),
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currentTrack.TrackSequence);
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ulong doneSectorsToInvoke = doneSectors;
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await Dispatcher.UIThread.InvokeAsync(() =>
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{
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Progress2Value = (int)(doneSectorsToInvoke / SECTORS_TO_READ);
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Progress2Text =
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$"Hashing sectors {doneSectorsToInvoke} to {doneSectorsToInvoke + (sectors - doneSectorsToInvoke)} of track {currentTrack.TrackSequence}";
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});
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doneSectors += sectors - doneSectors;
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}
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if(ChecksumMediaChecked)
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mediaChecksum?.Update(sector);
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if(ChecksumTracksChecked)
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trackChecksum?.Update(sector);
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}
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await Dispatcher.UIThread.InvokeAsync(() =>
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{
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if(ChecksumTracksChecked != true)
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return;
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if(trackChecksum == null)
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return;
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foreach(ChecksumType chk in trackChecksum.End())
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TrackChecksums.Add(new ChecksumModel
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{
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Track = currentTrack.TrackSequence.ToString(),
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Algorithm = chk.type.ToString(),
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Hash = chk.Value
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});
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});
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previousTrackEnd = currentTrack.TrackEndSector;
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}
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if(opticalMediaImage.Info.Sectors - previousTrackEnd != 0 && ChecksumMediaChecked)
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for(ulong i = previousTrackEnd + 1; i < opticalMediaImage.Info.Sectors; i++)
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{
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ulong sector = i;
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await Dispatcher.UIThread.InvokeAsync(() =>
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{
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Progress2Value = (int)(sector / SECTORS_TO_READ);
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Progress2Text = $"Hashing track-less sector {sector}";
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});
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byte[] hiddenSector = opticalMediaImage.ReadSector(i);
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mediaChecksum?.Update(hiddenSector);
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}
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await Dispatcher.UIThread.InvokeAsync(() =>
|
|
{
|
|
if(mediaChecksum == null)
|
|
return;
|
|
|
|
foreach(ChecksumType chk in mediaChecksum.End())
|
|
MediaChecksums.Add(new ChecksumModel
|
|
{
|
|
Algorithm = chk.type.ToString(),
|
|
Hash = chk.Value
|
|
});
|
|
});
|
|
}
|
|
catch(Exception ex)
|
|
{
|
|
AaruConsole.DebugWriteLine("Could not get tracks because {0}", ex.Message);
|
|
AaruConsole.WriteLine("Unable to get separate tracks, not checksumming them");
|
|
}
|
|
else
|
|
{
|
|
await Dispatcher.UIThread.InvokeAsync(() =>
|
|
{
|
|
Progress1Visible = false;
|
|
});
|
|
|
|
mediaChecksum = new Checksum(enabledChecksums);
|
|
|
|
ulong doneSectors = 0;
|
|
|
|
while(doneSectors < _inputFormat.Info.Sectors)
|
|
{
|
|
if(_cancel)
|
|
{
|
|
await Dispatcher.UIThread.InvokeAsync(() =>
|
|
{
|
|
CloseCommandVisible = true;
|
|
StartCommandVisible = false;
|
|
StopCommandVisible = false;
|
|
});
|
|
|
|
return;
|
|
}
|
|
|
|
byte[] sector;
|
|
|
|
if(_inputFormat.Info.Sectors - doneSectors >= SECTORS_TO_READ)
|
|
{
|
|
sector = _inputFormat.ReadSectors(doneSectors, SECTORS_TO_READ);
|
|
|
|
ulong doneSectorsToInvoke = doneSectors;
|
|
|
|
await Dispatcher.UIThread.InvokeAsync(() =>
|
|
{
|
|
Progress2Value = (int)(doneSectorsToInvoke / SECTORS_TO_READ);
|
|
|
|
Progress2Text =
|
|
$"Hashing sectors {doneSectorsToInvoke} to {doneSectorsToInvoke + SECTORS_TO_READ}";
|
|
});
|
|
|
|
doneSectors += SECTORS_TO_READ;
|
|
}
|
|
else
|
|
{
|
|
sector = _inputFormat.ReadSectors(doneSectors, (uint)(_inputFormat.Info.Sectors - doneSectors));
|
|
ulong doneSectorsToInvoke = doneSectors;
|
|
|
|
await Dispatcher.UIThread.InvokeAsync(() =>
|
|
{
|
|
Progress2Value = (int)(doneSectorsToInvoke / SECTORS_TO_READ);
|
|
|
|
Progress2Text =
|
|
$"Hashing sectors {doneSectorsToInvoke} to {doneSectorsToInvoke + (_inputFormat.Info.Sectors - doneSectorsToInvoke)}";
|
|
});
|
|
|
|
doneSectors += _inputFormat.Info.Sectors - doneSectors;
|
|
}
|
|
|
|
mediaChecksum.Update(sector);
|
|
}
|
|
|
|
await Dispatcher.UIThread.InvokeAsync(() =>
|
|
{
|
|
foreach(ChecksumType chk in mediaChecksum.End())
|
|
MediaChecksums.Add(new ChecksumModel
|
|
{
|
|
Algorithm = chk.type.ToString(),
|
|
Hash = chk.Value
|
|
});
|
|
});
|
|
}
|
|
|
|
if(ChecksumTracksChecked)
|
|
await Dispatcher.UIThread.InvokeAsync(() =>
|
|
{
|
|
TrackChecksumsVisible = true;
|
|
});
|
|
|
|
if(ChecksumMediaChecked)
|
|
await Dispatcher.UIThread.InvokeAsync(() =>
|
|
{
|
|
MediaChecksumsVisible = true;
|
|
});
|
|
|
|
Statistics.AddCommand("checksum");
|
|
|
|
await Dispatcher.UIThread.InvokeAsync(() =>
|
|
{
|
|
OptionsEnabled = false;
|
|
ResultsVisible = true;
|
|
ProgressVisible = false;
|
|
StartCommandVisible = false;
|
|
StopCommandVisible = false;
|
|
CloseCommandVisible = true;
|
|
});
|
|
}
|
|
}
|
|
} |