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482 lines
24 KiB
C#
482 lines
24 KiB
C#
// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : Compare.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Verbs.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Implements the 'compare' verb.
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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 © 2011-2018 Natalia Portillo
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// ****************************************************************************/
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using System;
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using System.Collections.Generic;
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using System.Text;
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using DiscImageChef.Console;
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using DiscImageChef.Core;
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using DiscImageChef.Filters;
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using DiscImageChef.ImagePlugins;
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namespace DiscImageChef.Commands
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{
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static class Compare
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{
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internal static void doCompare(CompareOptions options)
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{
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DicConsole.DebugWriteLine("Compare command", "--debug={0}", options.Debug);
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DicConsole.DebugWriteLine("Compare command", "--verbose={0}", options.Verbose);
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DicConsole.DebugWriteLine("Compare command", "--input1={0}", options.InputFile1);
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DicConsole.DebugWriteLine("Compare command", "--input2={0}", options.InputFile2);
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FiltersList filtersList = new FiltersList();
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Filter inputFilter1 = filtersList.GetFilter(options.InputFile1);
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filtersList = new FiltersList();
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Filter inputFilter2 = filtersList.GetFilter(options.InputFile2);
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if(inputFilter1 == null)
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{
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DicConsole.ErrorWriteLine("Cannot open input file 1");
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return;
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}
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if(inputFilter2 == null)
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{
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DicConsole.ErrorWriteLine("Cannot open input file 2");
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return;
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}
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ImagePlugin input1Format = ImageFormat.Detect(inputFilter1);
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ImagePlugin input2Format = ImageFormat.Detect(inputFilter2);
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if(input1Format == null)
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{
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DicConsole.ErrorWriteLine("Input file 1 format not identified, not proceeding with comparison.");
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return;
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}
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else
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{
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if(options.Verbose)
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DicConsole.VerboseWriteLine("Input file 1 format identified by {0} ({1}).", input1Format.Name,
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input1Format.PluginUUID);
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else DicConsole.WriteLine("Input file 1 format identified by {0}.", input1Format.Name);
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}
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if(input2Format == null)
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{
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DicConsole.ErrorWriteLine("Input file 2 format not identified, not proceeding with comparison.");
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return;
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}
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else
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{
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if(options.Verbose)
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DicConsole.VerboseWriteLine("Input file 2 format identified by {0} ({1}).", input2Format.Name,
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input2Format.PluginUUID);
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else DicConsole.WriteLine("Input file 2 format identified by {0}.", input2Format.Name);
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}
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input1Format.OpenImage(inputFilter1);
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input2Format.OpenImage(inputFilter2);
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Core.Statistics.AddMediaFormat(input1Format.GetImageFormat());
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Core.Statistics.AddMediaFormat(input2Format.GetImageFormat());
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Core.Statistics.AddMedia(input1Format.ImageInfo.mediaType, false);
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Core.Statistics.AddMedia(input2Format.ImageInfo.mediaType, false);
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Core.Statistics.AddFilter(inputFilter1.Name);
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Core.Statistics.AddFilter(inputFilter2.Name);
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StringBuilder sb = new StringBuilder();
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if(options.Verbose)
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{
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sb.AppendLine("\tDisc image 1\tDisc image 2");
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sb.AppendLine("================================");
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sb.AppendFormat("File\t{0}\t{1}", options.InputFile1, options.InputFile2).AppendLine();
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sb.AppendFormat("Disc image format\t{0}\t{1}", input1Format.Name, input2Format.Name).AppendLine();
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}
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else
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{
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sb.AppendFormat("Disc image 1: {0}", options.InputFile1).AppendLine();
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sb.AppendFormat("Disc image 2: {0}", options.InputFile2).AppendLine();
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}
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bool imagesDiffer = false;
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ImageInfo image1Info = new ImageInfo();
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ImageInfo image2Info = new ImageInfo();
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List<Session> image1Sessions = new List<Session>();
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List<Session> image2Sessions = new List<Session>();
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Dictionary<MediaTagType, byte[]> image1DiskTags = new Dictionary<MediaTagType, byte[]>();
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Dictionary<MediaTagType, byte[]> image2DiskTags = new Dictionary<MediaTagType, byte[]>();
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image1Info.imageHasPartitions = input1Format.ImageHasPartitions();
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#pragma warning disable RECS0022 // A catch clause that catches System.Exception and has an empty body
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try { image1Sessions = input1Format.GetSessions(); }
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catch { }
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#pragma warning restore RECS0022 // A catch clause that catches System.Exception and has an empty body
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image1Info.imageHasSessions |= image1Sessions.Count > 0;
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image1Info.imageSize = input1Format.GetImageSize();
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image1Info.sectors = input1Format.GetSectors();
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image1Info.sectorSize = input1Format.GetSectorSize();
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image1Info.imageCreationTime = input1Format.GetImageCreationTime();
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image1Info.imageLastModificationTime = input1Format.GetImageLastModificationTime();
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image1Info.mediaType = input1Format.GetMediaType();
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try { image1Info.imageVersion = input1Format.GetImageVersion(); }
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catch { image1Info.imageVersion = null; }
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try { image1Info.imageApplication = input1Format.GetImageApplication(); }
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catch { image1Info.imageApplication = null; }
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try { image1Info.imageApplicationVersion = input1Format.GetImageApplicationVersion(); }
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catch { image1Info.imageApplicationVersion = null; }
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try { image1Info.imageCreator = input1Format.GetImageCreator(); }
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catch { image1Info.imageCreator = null; }
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try { image1Info.imageName = input1Format.GetImageName(); }
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catch { image1Info.imageName = null; }
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try { image1Info.imageComments = input1Format.GetImageComments(); }
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catch { image1Info.imageComments = null; }
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try { image1Info.mediaManufacturer = input1Format.GetMediaManufacturer(); }
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catch { image1Info.mediaManufacturer = null; }
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try { image1Info.mediaModel = input1Format.GetMediaModel(); }
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catch { image1Info.mediaModel = null; }
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try { image1Info.mediaSerialNumber = input1Format.GetMediaSerialNumber(); }
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catch { image1Info.mediaSerialNumber = null; }
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try { image1Info.mediaBarcode = input1Format.GetMediaBarcode(); }
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catch { image1Info.mediaBarcode = null; }
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try { image1Info.mediaPartNumber = input1Format.GetMediaPartNumber(); }
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catch { image1Info.mediaPartNumber = null; }
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try { image1Info.mediaSequence = input1Format.GetMediaSequence(); }
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catch { image1Info.mediaSequence = 0; }
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try { image1Info.lastMediaSequence = input1Format.GetLastDiskSequence(); }
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catch { image1Info.lastMediaSequence = 0; }
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try { image1Info.driveManufacturer = input1Format.GetDriveManufacturer(); }
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catch { image1Info.driveManufacturer = null; }
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try { image1Info.driveModel = input1Format.GetDriveModel(); }
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catch { image1Info.driveModel = null; }
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try { image1Info.driveSerialNumber = input1Format.GetDriveSerialNumber(); }
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catch { image1Info.driveSerialNumber = null; }
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try { image1Info.driveFirmwareRevision = input1Format.ImageInfo.driveFirmwareRevision; }
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catch { image1Info.driveFirmwareRevision = null; }
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foreach(MediaTagType disktag in Enum.GetValues(typeof(MediaTagType)))
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{
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try
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{
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byte[] temparray = input1Format.ReadDiskTag(disktag);
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image1DiskTags.Add(disktag, temparray);
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}
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#pragma warning disable RECS0022 // A catch clause that catches System.Exception and has an empty body
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catch { }
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#pragma warning restore RECS0022 // A catch clause that catches System.Exception and has an empty body
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}
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image2Info.imageHasPartitions = input2Format.ImageHasPartitions();
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#pragma warning disable RECS0022 // A catch clause that catches System.Exception and has an empty body
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try { image2Sessions = input2Format.GetSessions(); }
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catch { }
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#pragma warning restore RECS0022 // A catch clause that catches System.Exception and has an empty body
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image2Info.imageHasSessions |= image2Sessions.Count > 0;
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image2Info.imageSize = input2Format.GetImageSize();
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image2Info.sectors = input2Format.GetSectors();
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image2Info.sectorSize = input2Format.GetSectorSize();
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image2Info.imageCreationTime = input2Format.GetImageCreationTime();
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image2Info.imageLastModificationTime = input2Format.GetImageLastModificationTime();
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image2Info.mediaType = input2Format.GetMediaType();
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try { image2Info.imageVersion = input2Format.GetImageVersion(); }
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catch { image2Info.imageVersion = null; }
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try { image2Info.imageApplication = input2Format.GetImageApplication(); }
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catch { image2Info.imageApplication = null; }
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try { image2Info.imageApplicationVersion = input2Format.GetImageApplicationVersion(); }
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catch { image2Info.imageApplicationVersion = null; }
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try { image2Info.imageCreator = input2Format.GetImageCreator(); }
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catch { image2Info.imageCreator = null; }
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try { image2Info.imageName = input2Format.GetImageName(); }
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catch { image2Info.imageName = null; }
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try { image2Info.imageComments = input2Format.GetImageComments(); }
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catch { image2Info.imageComments = null; }
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try { image2Info.mediaManufacturer = input2Format.GetMediaManufacturer(); }
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catch { image2Info.mediaManufacturer = null; }
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try { image2Info.mediaModel = input2Format.GetMediaModel(); }
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catch { image2Info.mediaModel = null; }
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try { image2Info.mediaSerialNumber = input2Format.GetMediaSerialNumber(); }
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catch { image2Info.mediaSerialNumber = null; }
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try { image2Info.mediaBarcode = input2Format.GetMediaBarcode(); }
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catch { image2Info.mediaBarcode = null; }
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try { image2Info.mediaPartNumber = input2Format.GetMediaPartNumber(); }
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catch { image2Info.mediaPartNumber = null; }
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try { image2Info.mediaSequence = input2Format.GetMediaSequence(); }
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catch { image2Info.mediaSequence = 0; }
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try { image2Info.lastMediaSequence = input2Format.GetLastDiskSequence(); }
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catch { image2Info.lastMediaSequence = 0; }
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try { image2Info.driveManufacturer = input2Format.GetDriveManufacturer(); }
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catch { image2Info.driveManufacturer = null; }
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try { image2Info.driveModel = input2Format.GetDriveModel(); }
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catch { image2Info.driveModel = null; }
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try { image2Info.driveSerialNumber = input2Format.GetDriveSerialNumber(); }
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catch { image2Info.driveSerialNumber = null; }
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try { image2Info.driveFirmwareRevision = input2Format.ImageInfo.driveFirmwareRevision; }
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catch { image2Info.driveFirmwareRevision = null; }
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foreach(MediaTagType disktag in Enum.GetValues(typeof(MediaTagType)))
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{
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try
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{
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byte[] temparray = input2Format.ReadDiskTag(disktag);
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image2DiskTags.Add(disktag, temparray);
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}
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#pragma warning disable RECS0022 // A catch clause that catches System.Exception and has an empty body
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catch { }
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#pragma warning restore RECS0022 // A catch clause that catches System.Exception and has an empty body
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}
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if(options.Verbose)
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{
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sb.AppendFormat("Has partitions?\t{0}\t{1}", image1Info.imageHasPartitions,
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image2Info.imageHasPartitions).AppendLine();
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sb.AppendFormat("Has sessions?\t{0}\t{1}", image1Info.imageHasSessions, image2Info.imageHasSessions)
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.AppendLine();
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sb.AppendFormat("Image size\t{0}\t{1}", image1Info.imageSize, image2Info.imageSize).AppendLine();
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sb.AppendFormat("Sectors\t{0}\t{1}", image1Info.sectors, image2Info.sectors).AppendLine();
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sb.AppendFormat("Sector size\t{0}\t{1}", image1Info.sectorSize, image2Info.sectorSize).AppendLine();
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sb.AppendFormat("Creation time\t{0}\t{1}", image1Info.imageCreationTime, image2Info.imageCreationTime)
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.AppendLine();
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sb.AppendFormat("Last modification time\t{0}\t{1}", image1Info.imageLastModificationTime,
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image2Info.imageLastModificationTime).AppendLine();
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sb.AppendFormat("Disk type\t{0}\t{1}", image1Info.mediaType, image2Info.mediaType).AppendLine();
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sb.AppendFormat("Image version\t{0}\t{1}", image1Info.imageVersion, image2Info.imageVersion)
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.AppendLine();
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sb.AppendFormat("Image application\t{0}\t{1}", image1Info.imageApplication, image2Info.imageApplication)
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.AppendLine();
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sb.AppendFormat("Image application version\t{0}\t{1}", image1Info.imageApplicationVersion,
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image2Info.imageApplicationVersion).AppendLine();
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sb.AppendFormat("Image creator\t{0}\t{1}", image1Info.imageCreator, image2Info.imageCreator)
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.AppendLine();
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sb.AppendFormat("Image name\t{0}\t{1}", image1Info.imageName, image2Info.imageName).AppendLine();
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sb.AppendFormat("Image comments\t{0}\t{1}", image1Info.imageComments, image2Info.imageComments)
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.AppendLine();
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sb.AppendFormat("Disk manufacturer\t{0}\t{1}", image1Info.mediaManufacturer,
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image2Info.mediaManufacturer).AppendLine();
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sb.AppendFormat("Disk model\t{0}\t{1}", image1Info.mediaModel, image2Info.mediaModel).AppendLine();
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sb.AppendFormat("Disk serial number\t{0}\t{1}", image1Info.mediaSerialNumber,
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image2Info.mediaSerialNumber).AppendLine();
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sb.AppendFormat("Disk barcode\t{0}\t{1}", image1Info.mediaBarcode, image2Info.mediaBarcode)
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.AppendLine();
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sb.AppendFormat("Disk part no.\t{0}\t{1}", image1Info.mediaPartNumber, image2Info.mediaPartNumber)
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.AppendLine();
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sb.AppendFormat("Disk sequence\t{0}\t{1}", image1Info.mediaSequence, image2Info.mediaSequence)
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.AppendLine();
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sb.AppendFormat("Last disk on sequence\t{0}\t{1}", image1Info.lastMediaSequence,
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image2Info.lastMediaSequence).AppendLine();
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sb.AppendFormat("Drive manufacturer\t{0}\t{1}", image1Info.driveManufacturer,
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image2Info.driveManufacturer).AppendLine();
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sb.AppendFormat("Drive firmware revision\t{0}\t{1}", image1Info.driveFirmwareRevision,
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image2Info.driveFirmwareRevision).AppendLine();
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sb.AppendFormat("Drive model\t{0}\t{1}", image1Info.driveModel, image2Info.driveModel).AppendLine();
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sb.AppendFormat("Drive serial number\t{0}\t{1}", image1Info.driveSerialNumber,
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image2Info.driveSerialNumber).AppendLine();
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foreach(MediaTagType disktag in Enum.GetValues(typeof(MediaTagType)))
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{
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sb.AppendFormat("Has {0}?\t{1}\t{2}", disktag, image1DiskTags.ContainsKey(disktag),
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image2DiskTags.ContainsKey(disktag)).AppendLine();
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}
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}
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DicConsole.WriteLine("Comparing disk image characteristics");
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if(image1Info.imageHasPartitions != image2Info.imageHasPartitions)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Image partitioned status differ");
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}
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if(image1Info.imageHasSessions != image2Info.imageHasSessions)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Image session status differ");
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}
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if(image1Info.imageSize != image2Info.imageSize)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Image size differ");
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}
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if(image1Info.sectors != image2Info.sectors)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Image sectors differ");
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}
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if(image1Info.sectorSize != image2Info.sectorSize)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Image sector size differ");
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}
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if(image1Info.imageCreationTime != image2Info.imageCreationTime)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Image creation time differ");
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}
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if(image1Info.imageLastModificationTime != image2Info.imageLastModificationTime)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Image last modification time differ");
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}
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if(image1Info.mediaType != image2Info.mediaType)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Disk type differ");
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}
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if(image1Info.imageVersion != image2Info.imageVersion)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Image version differ");
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}
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if(image1Info.imageApplication != image2Info.imageApplication)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Image application differ");
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}
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if(image1Info.imageApplicationVersion != image2Info.imageApplicationVersion)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Image application version differ");
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}
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if(image1Info.imageCreator != image2Info.imageCreator)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Image creator differ");
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}
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if(image1Info.imageName != image2Info.imageName)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Image name differ");
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}
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if(image1Info.imageComments != image2Info.imageComments)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Image comments differ");
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}
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if(image1Info.mediaManufacturer != image2Info.mediaManufacturer)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Disk manufacturer differ");
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}
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if(image1Info.mediaModel != image2Info.mediaModel)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Disk model differ");
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}
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if(image1Info.mediaSerialNumber != image2Info.mediaSerialNumber)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Disk serial number differ");
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}
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if(image1Info.mediaBarcode != image2Info.mediaBarcode)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Disk barcode differ");
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}
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if(image1Info.mediaPartNumber != image2Info.mediaPartNumber)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Disk part number differ");
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}
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if(image1Info.mediaSequence != image2Info.mediaSequence)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Disk sequence differ");
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}
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if(image1Info.lastMediaSequence != image2Info.lastMediaSequence)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Last disk in sequence differ");
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}
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if(image1Info.driveManufacturer != image2Info.driveManufacturer)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Drive manufacturer differ");
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}
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if(image1Info.driveModel != image2Info.driveModel)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Drive model differ");
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}
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if(image1Info.driveSerialNumber != image2Info.driveSerialNumber)
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{
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imagesDiffer = true;
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if(!options.Verbose) sb.AppendLine("Drive serial number differ");
|
|
}
|
|
if(image1Info.driveFirmwareRevision != image2Info.driveFirmwareRevision)
|
|
{
|
|
imagesDiffer = true;
|
|
if(!options.Verbose) sb.AppendLine("Drive firmware revision differ");
|
|
}
|
|
|
|
ulong leastSectors;
|
|
if(image1Info.sectors < image2Info.sectors)
|
|
{
|
|
imagesDiffer = true;
|
|
leastSectors = image1Info.sectors;
|
|
if(!options.Verbose) sb.AppendLine("Image 2 has more sectors");
|
|
}
|
|
else if(image1Info.sectors > image2Info.sectors)
|
|
{
|
|
imagesDiffer = true;
|
|
leastSectors = image2Info.sectors;
|
|
if(!options.Verbose) sb.AppendLine("Image 1 has more sectors");
|
|
}
|
|
else leastSectors = image1Info.sectors;
|
|
|
|
DicConsole.WriteLine("Comparing sectors...");
|
|
|
|
for(ulong sector = 0; sector < leastSectors; sector++)
|
|
{
|
|
DicConsole.Write("\rComparing sector {0} of {1}...", sector + 1, leastSectors);
|
|
try
|
|
{
|
|
byte[] image1Sector = input1Format.ReadSector(sector);
|
|
byte[] image2Sector = input2Format.ReadSector(sector);
|
|
bool different, sameSize;
|
|
ArrayHelpers.CompareBytes(out different, out sameSize, image1Sector, image2Sector);
|
|
if(different)
|
|
{
|
|
imagesDiffer = true;
|
|
sb.AppendFormat("Sector {0} is different", sector).AppendLine();
|
|
}
|
|
else if(!sameSize)
|
|
{
|
|
imagesDiffer = true;
|
|
sb
|
|
.AppendFormat("Sector {0} has different sizes ({1} bytes in image 1, {2} in image 2) but are otherwise identical",
|
|
sector, image1Sector.LongLength, image2Sector.LongLength).AppendLine();
|
|
}
|
|
}
|
|
#pragma warning disable RECS0022 // A catch clause that catches System.Exception and has an empty body
|
|
catch { }
|
|
#pragma warning restore RECS0022 // A catch clause that catches System.Exception and has an empty body
|
|
}
|
|
|
|
DicConsole.WriteLine();
|
|
|
|
if(imagesDiffer) sb.AppendLine("Images differ");
|
|
else sb.AppendLine("Images do not differ");
|
|
|
|
DicConsole.WriteLine(sb.ToString());
|
|
|
|
Core.Statistics.AddCommand("compare");
|
|
}
|
|
}
|
|
} |