mirror of
https://github.com/aaru-dps/Aaru.Server.git
synced 2025-12-16 19:24:27 +00:00
1250 lines
48 KiB
C#
1250 lines
48 KiB
C#
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// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : GDI.cs
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// Version : 1.0
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// Author(s) : Natalia Portillo
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//
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// Component : Component
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//
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// Revision : $Revision$
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// Last change by : $Author$
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// Date : $Date$
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Description
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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 (C) 2011-2015 Claunia.com
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// ****************************************************************************/
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// //$Id$
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Text.RegularExpressions;
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using DiscImageChef.Console;
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using DiscImageChef.CommonTypes;
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namespace DiscImageChef.ImagePlugins
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{
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// TODO: There seems no be no clear definition on how to treat pregaps that are not included in the file, so this is just appending it to start of track
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// TODO: This format doesn't support to specify pregaps that are included in the file (like Redump ones)
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class GDI : ImagePlugin
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{
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#region Internal structures
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struct GDITrack
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{
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/// <summary>Track #</summary>
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public UInt32 sequence;
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/// <summary>Track file</summary>
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public string trackfile;
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/// <summary>Track byte offset in file</summary>
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public long offset;
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/// <summary>Track flags</summary>
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public byte flags;
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/// <summary>Track starting sector</summary>
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public ulong startSector;
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/// <summary>Bytes per sector</summary>
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public UInt16 bps;
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/// <summary>Sectors in track</summary>
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public UInt64 sectors;
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/// <summary>Track type</summary>
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public TrackType tracktype;
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/// <summary>Track session</summary>
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public bool highDensity;
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/// <summary>Pregap sectors not stored in track file</summary>
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public ulong pregap;
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}
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struct GDIDisc
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{
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/// <summary>Sessions</summary>
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public List<Session> sessions;
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/// <summary>Tracks</summary>
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public List<GDITrack> tracks;
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/// <summary>Disk type</summary>
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public DiskType disktype;
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}
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#endregion Internal structures
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#region Internal variables
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string imagePath;
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StreamReader gdiStream;
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FileStream imageStream;
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/// <summary>Dictionary, index is track #, value is track number, or 0 if a TOC</summary>
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Dictionary<UInt32, UInt64> offsetmap;
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GDIDisc discimage;
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List<Partition> partitions;
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ulong densitySeparationSectors;
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#endregion Internal variables
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#region Parsing regexs
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const string TrackRegEx = "\\s?(?<track>\\d+)\\s+(?<start>\\d+)\\s(?<flags>\\d)\\s(?<type>2352|2048)\\s(?<filename>.+)\\s(?<offset>\\d+)$";
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#endregion Parsing regexs
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#region Public methods
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public GDI()
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{
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Name = "Dreamcast GDI image";
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PluginUUID = new Guid("281ECBF2-D2A7-414C-8497-1A33F6DCB2DD");
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imagePath = "";
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ImageInfo = new ImageInfo();
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ImageInfo.readableSectorTags = new List<SectorTagType>();
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ImageInfo.readableDiskTags = new List<DiskTagType>();
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ImageInfo.imageHasPartitions = true;
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ImageInfo.imageHasSessions = true;
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ImageInfo.imageVersion = null;
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ImageInfo.imageApplicationVersion = null;
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ImageInfo.imageName = null;
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ImageInfo.imageCreator = null;
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ImageInfo.diskManufacturer = null;
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ImageInfo.diskModel = null;
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ImageInfo.diskPartNumber = null;
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ImageInfo.diskSequence = 0;
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ImageInfo.lastDiskSequence = 0;
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ImageInfo.driveManufacturer = null;
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ImageInfo.driveModel = null;
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ImageInfo.driveSerialNumber = null;
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}
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// Due to .gdi format, this method must parse whole file, ignoring errors (those will be thrown by OpenImage()).
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public override bool IdentifyImage(string imagePath)
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{
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this.imagePath = imagePath;
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try
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{
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gdiStream = new StreamReader(this.imagePath);
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int line = 0;
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int tracksFound = 0;
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int tracks = 0;
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while (gdiStream.Peek() >= 0)
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{
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line++;
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string _line = gdiStream.ReadLine();
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if(line == 1)
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{
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if(!int.TryParse(_line, out tracks))
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return false;
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}
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else
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{
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Regex RegexTrack = new Regex(TrackRegEx);
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Match TrackMatch = RegexTrack.Match(_line);
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if(!TrackMatch.Success)
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return false;
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tracksFound++;
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}
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}
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if(tracks == 0)
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return false;
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return tracks == tracksFound;
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}
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catch (Exception ex)
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{
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DicConsole.ErrorWriteLine("Exception trying to identify image file {0}", this.imagePath);
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DicConsole.ErrorWriteLine("Exception: {0}", ex.Message);
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DicConsole.ErrorWriteLine("Stack trace: {0}", ex.StackTrace);
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return false;
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}
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}
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public override bool OpenImage(string imagePath)
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{
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if (imagePath == null)
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return false;
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if (imagePath == "")
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return false;
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this.imagePath = imagePath;
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try
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{
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gdiStream = new StreamReader(imagePath);
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int line = 0;
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int tracksFound = 0;
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int tracks = 0;
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bool highDensity = false;
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FileInfo trackFileInfo;
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// Initialize all RegExs
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Regex RegexTrack = new Regex(TrackRegEx);
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// Initialize all RegEx matches
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Match TrackMatch;
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// Initialize disc
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discimage = new GDIDisc();
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discimage.sessions = new List<Session>();
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discimage.tracks = new List<GDITrack>();
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ulong currentStart = 0;
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offsetmap = new Dictionary<uint, ulong>();
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GDITrack currentTrack;
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densitySeparationSectors = 0;
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while (gdiStream.Peek() >= 0)
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{
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line++;
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string _line = gdiStream.ReadLine();
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if(line == 1)
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{
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if(!int.TryParse(_line, out tracks))
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throw new ImageNotSupportedException("Not a correct Dreamcast GDI image");
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}
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else
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{
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TrackMatch = RegexTrack.Match(_line);
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if(!TrackMatch.Success)
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throw new ImageNotSupportedException(String.Format("Unknown line \"{0}\" at line {1}", _line, line));
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tracksFound++;
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DicConsole.DebugWriteLine("GDI plugin", "Found track {0} starts at {1} flags {2} type {3} file {4} offset {5} at line {6}",
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TrackMatch.Groups["track"].Value, TrackMatch.Groups["start"].Value, TrackMatch.Groups["flags"].Value,
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TrackMatch.Groups["type"].Value, TrackMatch.Groups["filename"].Value, TrackMatch.Groups["offset"].Value, line);
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currentTrack = new GDITrack();
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currentTrack.bps = ushort.Parse(TrackMatch.Groups["type"].Value);
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currentTrack.flags = (byte)(byte.Parse(TrackMatch.Groups["flags"].Value) * 0x10);
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currentTrack.offset = long.Parse(TrackMatch.Groups["offset"].Value);
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currentTrack.sequence = uint.Parse(TrackMatch.Groups["track"].Value);
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currentTrack.startSector = ulong.Parse(TrackMatch.Groups["start"].Value);
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currentTrack.trackfile = TrackMatch.Groups["filename"].Value.Replace("\\\"", "\"").Trim(new []{'"'});
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if((currentTrack.startSector - currentStart) > 0)
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{
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if(currentTrack.startSector == 45000)
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{
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highDensity = true;
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offsetmap.Add(0, currentStart);
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densitySeparationSectors = (currentTrack.startSector - currentStart);
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currentStart = currentTrack.startSector;
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}
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else
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{
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currentTrack.pregap = (currentTrack.startSector - currentStart);
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currentTrack.startSector -= (currentTrack.startSector - currentStart);
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}
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}
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trackFileInfo = new FileInfo(currentTrack.trackfile);
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if(((trackFileInfo.Length - currentTrack.offset) % currentTrack.bps) != 0)
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throw new ImageNotSupportedException("Track size not a multiple of sector size");
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currentTrack.sectors = (ulong)((trackFileInfo.Length - currentTrack.offset) / currentTrack.bps);
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currentTrack.sectors += currentTrack.pregap;
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currentStart += currentTrack.sectors;
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currentTrack.highDensity = highDensity;
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if((currentTrack.flags & 0x40) == 0x40)
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currentTrack.tracktype = TrackType.CDMode1;
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else
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currentTrack.tracktype = TrackType.Audio;
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discimage.tracks.Add(currentTrack);
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}
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}
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Session[] _sessions = new Session[2];
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for (int s = 0; s < _sessions.Length; s++)
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{
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if(s == 0)
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{
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_sessions[s].SessionSequence = 1;
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foreach(GDITrack trk in discimage.tracks)
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{
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if(!trk.highDensity)
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{
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if(_sessions[s].StartTrack == 0)
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_sessions[s].StartTrack = trk.sequence;
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else if(_sessions[s].StartTrack > trk.sequence)
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_sessions[s].StartTrack = trk.sequence;
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if(_sessions[s].EndTrack < trk.sequence)
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_sessions[s].EndTrack = trk.sequence;
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if(_sessions[s].StartSector > trk.startSector)
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_sessions[s].StartSector = trk.startSector;
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if(_sessions[s].EndSector < (trk.sectors + trk.startSector - 1))
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_sessions[s].EndSector = trk.sectors + trk.startSector - 1;
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}
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}
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}
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else
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{
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_sessions[s].SessionSequence = 2;
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foreach(GDITrack trk in discimage.tracks)
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{
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if(trk.highDensity)
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{
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if(_sessions[s].StartTrack == 0)
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_sessions[s].StartTrack = trk.sequence;
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else if(_sessions[s].StartTrack > trk.sequence)
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_sessions[s].StartTrack = trk.sequence;
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if(_sessions[s].EndTrack < trk.sequence)
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_sessions[s].EndTrack = trk.sequence;
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if(_sessions[s].StartSector > trk.startSector)
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_sessions[s].StartSector = trk.startSector;
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if(_sessions[s].EndSector < (trk.sectors + trk.startSector - 1))
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_sessions[s].EndSector = trk.sectors + trk.startSector - 1;
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}
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}
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}
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}
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discimage.sessions.Add(_sessions[0]);
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discimage.sessions.Add(_sessions[1]);
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discimage.disktype = DiskType.GDROM;
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// DEBUG information
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|||
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DicConsole.DebugWriteLine("GDI plugin", "Disc image parsing results");
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|||
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DicConsole.DebugWriteLine("GDI plugin", "Session information:");
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DicConsole.DebugWriteLine("GDI plugin", "\tDisc contains {0} sessions", discimage.sessions.Count);
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for (int i = 0; i < discimage.sessions.Count; i++)
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{
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DicConsole.DebugWriteLine("GDI plugin", "\tSession {0} information:", i + 1);
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DicConsole.DebugWriteLine("GDI plugin", "\t\tStarting track: {0}", discimage.sessions[i].StartTrack);
|
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DicConsole.DebugWriteLine("GDI plugin", "\t\tStarting sector: {0}", discimage.sessions[i].StartSector);
|
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DicConsole.DebugWriteLine("GDI plugin", "\t\tEnding track: {0}", discimage.sessions[i].EndTrack);
|
|||
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DicConsole.DebugWriteLine("GDI plugin", "\t\tEnding sector: {0}", discimage.sessions[i].EndSector);
|
|||
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}
|
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DicConsole.DebugWriteLine("GDI plugin", "Track information:");
|
|||
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DicConsole.DebugWriteLine("GDI plugin", "\tDisc contains {0} tracks", discimage.tracks.Count);
|
|||
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for (int i = 0; i < discimage.tracks.Count; i++)
|
|||
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{
|
|||
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DicConsole.DebugWriteLine("GDI plugin", "\tTrack {0} information:", discimage.tracks[i].sequence);
|
|||
|
|
DicConsole.DebugWriteLine("GDI plugin", "\t\t{0} bytes per sector", discimage.tracks[i].bps);
|
|||
|
|
DicConsole.DebugWriteLine("GDI plugin", "\t\tPregap: {0} sectors", discimage.tracks[i].pregap);
|
|||
|
|
|
|||
|
|
if ((discimage.tracks[i].flags & 0x80) == 0x80)
|
|||
|
|
DicConsole.DebugWriteLine("GDI plugin", "\t\tTrack is flagged as quadraphonic");
|
|||
|
|
if ((discimage.tracks[i].flags & 0x40) == 0x40)
|
|||
|
|
DicConsole.DebugWriteLine("GDI plugin", "\t\tTrack is data");
|
|||
|
|
if ((discimage.tracks[i].flags & 0x20) == 0x20)
|
|||
|
|
DicConsole.DebugWriteLine("GDI plugin", "\t\tTrack allows digital copy");
|
|||
|
|
if ((discimage.tracks[i].flags & 0x10) == 0x10)
|
|||
|
|
DicConsole.DebugWriteLine("GDI plugin", "\t\tTrack has pre-emphasis applied");
|
|||
|
|
|
|||
|
|
DicConsole.DebugWriteLine("GDI plugin", "\t\tTrack resides in file {0}, type defined as {1}, starting at byte {2}",
|
|||
|
|
discimage.tracks[i].trackfile, discimage.tracks[i].tracktype, discimage.tracks[i].offset);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
DicConsole.DebugWriteLine("GDI plugin", "Building offset map");
|
|||
|
|
|
|||
|
|
partitions = new List<Partition>();
|
|||
|
|
ulong byte_offset = 0;
|
|||
|
|
|
|||
|
|
for (int i = 0; i < discimage.tracks.Count; i++)
|
|||
|
|
{
|
|||
|
|
if (discimage.tracks[i].sequence == 1 && i != 0)
|
|||
|
|
throw new ImageNotSupportedException("Unordered tracks");
|
|||
|
|
|
|||
|
|
Partition partition = new Partition();
|
|||
|
|
|
|||
|
|
// Index 01
|
|||
|
|
partition.PartitionDescription = String.Format("Track {0}.", discimage.tracks[i].sequence);
|
|||
|
|
partition.PartitionName = null;
|
|||
|
|
partition.PartitionStartSector = discimage.tracks[i].startSector;
|
|||
|
|
partition.PartitionLength = discimage.tracks[i].sectors * discimage.tracks[i].bps;
|
|||
|
|
partition.PartitionSectors = discimage.tracks[i].sectors;
|
|||
|
|
partition.PartitionSequence = discimage.tracks[i].sequence;
|
|||
|
|
partition.PartitionStart = byte_offset;
|
|||
|
|
partition.PartitionType = discimage.tracks[i].tracktype.ToString();
|
|||
|
|
|
|||
|
|
byte_offset += partition.PartitionLength;
|
|||
|
|
offsetmap.Add(discimage.tracks[i].sequence, partition.PartitionStartSector);
|
|||
|
|
partitions.Add(partition);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
foreach (GDITrack track in discimage.tracks)
|
|||
|
|
ImageInfo.imageSize += track.bps * track.sectors;
|
|||
|
|
foreach (GDITrack track in discimage.tracks)
|
|||
|
|
ImageInfo.sectors += track.sectors;
|
|||
|
|
|
|||
|
|
ImageInfo.sectors += densitySeparationSectors;
|
|||
|
|
|
|||
|
|
ImageInfo.sectorSize = 2352; // All others
|
|||
|
|
|
|||
|
|
foreach (GDITrack track in discimage.tracks)
|
|||
|
|
{
|
|||
|
|
if((track.flags & 0x40) == 0x40 && track.bps == 2352)
|
|||
|
|
{
|
|||
|
|
ImageInfo.readableSectorTags.Add(SectorTagType.CDSectorSync);
|
|||
|
|
ImageInfo.readableSectorTags.Add(SectorTagType.CDSectorHeader);
|
|||
|
|
ImageInfo.readableSectorTags.Add(SectorTagType.CDSectorSubHeader);
|
|||
|
|
ImageInfo.readableSectorTags.Add(SectorTagType.CDSectorECC);
|
|||
|
|
ImageInfo.readableSectorTags.Add(SectorTagType.CDSectorECC_P);
|
|||
|
|
ImageInfo.readableSectorTags.Add(SectorTagType.CDSectorECC_Q);
|
|||
|
|
ImageInfo.readableSectorTags.Add(SectorTagType.CDSectorEDC);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
FileInfo fi = new FileInfo(discimage.tracks[0].trackfile);
|
|||
|
|
|
|||
|
|
ImageInfo.imageCreationTime = fi.CreationTimeUtc;
|
|||
|
|
ImageInfo.imageLastModificationTime = fi.LastWriteTimeUtc;
|
|||
|
|
|
|||
|
|
ImageInfo.diskType = discimage.disktype;
|
|||
|
|
|
|||
|
|
ImageInfo.readableSectorTags.Add(SectorTagType.CDTrackFlags);
|
|||
|
|
|
|||
|
|
ImageInfo.xmlMediaType = XmlMediaType.OpticalDisc;
|
|||
|
|
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
catch (Exception ex)
|
|||
|
|
{
|
|||
|
|
DicConsole.ErrorWriteLine("Exception trying to identify image file {0}", imagePath);
|
|||
|
|
DicConsole.ErrorWriteLine("Exception: {0}", ex.Message);
|
|||
|
|
DicConsole.ErrorWriteLine("Stack trace: {0}", ex.StackTrace);
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override bool ImageHasPartitions()
|
|||
|
|
{
|
|||
|
|
return ImageInfo.imageHasPartitions;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override UInt64 GetImageSize()
|
|||
|
|
{
|
|||
|
|
return ImageInfo.imageSize;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override UInt64 GetSectors()
|
|||
|
|
{
|
|||
|
|
return ImageInfo.sectors;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override UInt32 GetSectorSize()
|
|||
|
|
{
|
|||
|
|
return ImageInfo.sectorSize;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override byte[] ReadDiskTag(DiskTagType tag)
|
|||
|
|
{
|
|||
|
|
throw new FeatureSupportedButNotImplementedImageException("Feature not supported by image format");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override byte[] ReadSector(UInt64 sectorAddress)
|
|||
|
|
{
|
|||
|
|
return ReadSectors(sectorAddress, 1);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override byte[] ReadSectorTag(UInt64 sectorAddress, SectorTagType tag)
|
|||
|
|
{
|
|||
|
|
return ReadSectorsTag(sectorAddress, 1, tag);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override byte[] ReadSector(UInt64 sectorAddress, UInt32 track)
|
|||
|
|
{
|
|||
|
|
return ReadSectors(sectorAddress, 1, track);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override byte[] ReadSectorTag(UInt64 sectorAddress, UInt32 track, SectorTagType tag)
|
|||
|
|
{
|
|||
|
|
return ReadSectorsTag(sectorAddress, 1, track, tag);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override byte[] ReadSectors(UInt64 sectorAddress, UInt32 length)
|
|||
|
|
{
|
|||
|
|
foreach (KeyValuePair<uint, ulong> kvp in offsetmap)
|
|||
|
|
{
|
|||
|
|
if (sectorAddress >= kvp.Value)
|
|||
|
|
{
|
|||
|
|
foreach (GDITrack gdi_track in discimage.tracks)
|
|||
|
|
{
|
|||
|
|
if (gdi_track.sequence == kvp.Key)
|
|||
|
|
{
|
|||
|
|
if ((sectorAddress - kvp.Value) < gdi_track.sectors)
|
|||
|
|
return ReadSectors((sectorAddress - kvp.Value), length, kvp.Key);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
ulong transitionStart;
|
|||
|
|
offsetmap.TryGetValue(0, out transitionStart);
|
|||
|
|
if (sectorAddress >= transitionStart && sectorAddress < (densitySeparationSectors + transitionStart))
|
|||
|
|
return ReadSectors((sectorAddress - transitionStart), length, 0);
|
|||
|
|
|
|||
|
|
throw new ArgumentOutOfRangeException("sectorAddress", "Sector address not found");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override byte[] ReadSectorsTag(UInt64 sectorAddress, UInt32 length, SectorTagType tag)
|
|||
|
|
{
|
|||
|
|
foreach (KeyValuePair<uint, ulong> kvp in offsetmap)
|
|||
|
|
{
|
|||
|
|
if (sectorAddress >= kvp.Value)
|
|||
|
|
{
|
|||
|
|
foreach (GDITrack gdi_track in discimage.tracks)
|
|||
|
|
{
|
|||
|
|
if (gdi_track.sequence == kvp.Key)
|
|||
|
|
{
|
|||
|
|
if ((sectorAddress - kvp.Value) < gdi_track.sectors)
|
|||
|
|
return ReadSectorsTag((sectorAddress - kvp.Value), length, kvp.Key, tag);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
ulong transitionStart;
|
|||
|
|
offsetmap.TryGetValue(0, out transitionStart);
|
|||
|
|
if (sectorAddress >= transitionStart && sectorAddress < (densitySeparationSectors + transitionStart))
|
|||
|
|
return ReadSectorsTag((sectorAddress - transitionStart), length, 0, tag);
|
|||
|
|
|
|||
|
|
throw new ArgumentOutOfRangeException("sectorAddress", "Sector address not found");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override byte[] ReadSectors(UInt64 sectorAddress, UInt32 length, UInt32 track)
|
|||
|
|
{
|
|||
|
|
if (track == 0)
|
|||
|
|
{
|
|||
|
|
if((sectorAddress + length) > densitySeparationSectors)
|
|||
|
|
throw new ArgumentOutOfRangeException("length", "Requested more sectors than present in track, won't cross tracks");
|
|||
|
|
|
|||
|
|
return new byte[length * 2352];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
GDITrack _track = new GDITrack();
|
|||
|
|
|
|||
|
|
_track.sequence = 0;
|
|||
|
|
|
|||
|
|
foreach (GDITrack gdi_track in discimage.tracks)
|
|||
|
|
{
|
|||
|
|
if (gdi_track.sequence == track)
|
|||
|
|
{
|
|||
|
|
_track = gdi_track;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (_track.sequence == 0)
|
|||
|
|
throw new ArgumentOutOfRangeException("track", "Track does not exist in disc image");
|
|||
|
|
|
|||
|
|
if ((sectorAddress + length) > _track.sectors)
|
|||
|
|
throw new ArgumentOutOfRangeException("length", "Requested more sectors than present in track, won't cross tracks");
|
|||
|
|
|
|||
|
|
uint sector_offset;
|
|||
|
|
uint sector_size;
|
|||
|
|
uint sector_skip;
|
|||
|
|
|
|||
|
|
switch (_track.tracktype)
|
|||
|
|
{
|
|||
|
|
case TrackType.Audio:
|
|||
|
|
{
|
|||
|
|
sector_offset = 0;
|
|||
|
|
sector_size = 2352;
|
|||
|
|
sector_skip = 0;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
case TrackType.CDMode1:
|
|||
|
|
{
|
|||
|
|
if (_track.bps == 2352)
|
|||
|
|
{
|
|||
|
|
sector_offset = 16;
|
|||
|
|
sector_size = 2048;
|
|||
|
|
sector_skip = 288;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
sector_offset = 0;
|
|||
|
|
sector_size = 2048;
|
|||
|
|
sector_skip = 0;
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
default:
|
|||
|
|
throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
byte[] buffer = new byte[sector_size * length];
|
|||
|
|
|
|||
|
|
ulong remainingSectors = length;
|
|||
|
|
|
|||
|
|
if (_track.pregap > 0 && sectorAddress < _track.pregap)
|
|||
|
|
{
|
|||
|
|
ulong remainingPregap = _track.pregap - sectorAddress;
|
|||
|
|
byte[] zero;
|
|||
|
|
if (length > remainingPregap)
|
|||
|
|
{
|
|||
|
|
zero = new byte[remainingPregap * sector_size];
|
|||
|
|
remainingSectors -= remainingPregap;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
zero = new byte[length * sector_size];
|
|||
|
|
remainingSectors -= length;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
Array.Copy(zero, 0, buffer, 0, zero.Length);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if(remainingSectors == 0)
|
|||
|
|
return buffer;
|
|||
|
|
|
|||
|
|
imageStream = new FileStream(_track.trackfile, FileMode.Open, FileAccess.Read);
|
|||
|
|
using (BinaryReader br = new BinaryReader(imageStream))
|
|||
|
|
{
|
|||
|
|
br.BaseStream.Seek(_track.offset + (long)(sectorAddress * (sector_offset + sector_size + sector_skip) + _track.pregap * _track.bps), SeekOrigin.Begin);
|
|||
|
|
if (sector_offset == 0 && sector_skip == 0)
|
|||
|
|
buffer = br.ReadBytes((int)(sector_size * remainingSectors));
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
for (ulong i = 0; i < remainingSectors; i++)
|
|||
|
|
{
|
|||
|
|
byte[] sector;
|
|||
|
|
br.BaseStream.Seek(sector_offset, SeekOrigin.Current);
|
|||
|
|
sector = br.ReadBytes((int)sector_size);
|
|||
|
|
br.BaseStream.Seek(sector_skip, SeekOrigin.Current);
|
|||
|
|
Array.Copy(sector, 0, buffer, (int)(i * sector_size), sector_size);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return buffer;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override byte[] ReadSectorsTag(UInt64 sectorAddress, UInt32 length, UInt32 track, SectorTagType tag)
|
|||
|
|
{
|
|||
|
|
if (track == 0)
|
|||
|
|
{
|
|||
|
|
if((sectorAddress + length) > densitySeparationSectors)
|
|||
|
|
throw new ArgumentOutOfRangeException("length", "Requested more sectors than present in track, won't cross tracks");
|
|||
|
|
|
|||
|
|
if (tag == SectorTagType.CDTrackFlags)
|
|||
|
|
return new byte[] { 0x00 };
|
|||
|
|
|
|||
|
|
throw new ArgumentException("Unsupported tag requested for this track", "tag");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
GDITrack _track = new GDITrack();
|
|||
|
|
|
|||
|
|
_track.sequence = 0;
|
|||
|
|
|
|||
|
|
foreach (GDITrack gdi_track in discimage.tracks)
|
|||
|
|
{
|
|||
|
|
if (gdi_track.sequence == track)
|
|||
|
|
{
|
|||
|
|
_track = gdi_track;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (_track.sequence == 0)
|
|||
|
|
throw new ArgumentOutOfRangeException("track", "Track does not exist in disc image");
|
|||
|
|
|
|||
|
|
if (length > _track.sectors)
|
|||
|
|
throw new ArgumentOutOfRangeException("length", "Requested more sectors than present in track, won't cross tracks");
|
|||
|
|
|
|||
|
|
uint sector_offset;
|
|||
|
|
uint sector_size;
|
|||
|
|
uint sector_skip;
|
|||
|
|
|
|||
|
|
switch (tag)
|
|||
|
|
{
|
|||
|
|
case SectorTagType.CDSectorECC:
|
|||
|
|
case SectorTagType.CDSectorECC_P:
|
|||
|
|
case SectorTagType.CDSectorECC_Q:
|
|||
|
|
case SectorTagType.CDSectorEDC:
|
|||
|
|
case SectorTagType.CDSectorHeader:
|
|||
|
|
case SectorTagType.CDSectorSync:
|
|||
|
|
break;
|
|||
|
|
case SectorTagType.CDTrackFlags:
|
|||
|
|
{
|
|||
|
|
byte[] flags = new byte[1];
|
|||
|
|
|
|||
|
|
flags[0] += _track.flags;
|
|||
|
|
|
|||
|
|
return flags;
|
|||
|
|
}
|
|||
|
|
default:
|
|||
|
|
throw new ArgumentException("Unsupported tag requested", "tag");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
switch (_track.tracktype)
|
|||
|
|
{
|
|||
|
|
case TrackType.Audio:
|
|||
|
|
throw new ArgumentException("There are no tags on audio tracks", "tag");
|
|||
|
|
case TrackType.CDMode1:
|
|||
|
|
{
|
|||
|
|
if (_track.bps != 2352)
|
|||
|
|
throw new FeatureNotPresentImageException("Image does not include tags for mode 1 sectors");
|
|||
|
|
|
|||
|
|
switch (tag)
|
|||
|
|
{
|
|||
|
|
case SectorTagType.CDSectorSync:
|
|||
|
|
{
|
|||
|
|
sector_offset = 0;
|
|||
|
|
sector_size = 12;
|
|||
|
|
sector_skip = 2340;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
case SectorTagType.CDSectorHeader:
|
|||
|
|
{
|
|||
|
|
sector_offset = 12;
|
|||
|
|
sector_size = 4;
|
|||
|
|
sector_skip = 2336;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
case SectorTagType.CDSectorSubchannel:
|
|||
|
|
case SectorTagType.CDSectorSubHeader:
|
|||
|
|
throw new ArgumentException("Unsupported tag requested for this track", "tag");
|
|||
|
|
case SectorTagType.CDSectorECC:
|
|||
|
|
{
|
|||
|
|
sector_offset = 2076;
|
|||
|
|
sector_size = 276;
|
|||
|
|
sector_skip = 0;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
case SectorTagType.CDSectorECC_P:
|
|||
|
|
{
|
|||
|
|
sector_offset = 2076;
|
|||
|
|
sector_size = 172;
|
|||
|
|
sector_skip = 104;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
case SectorTagType.CDSectorECC_Q:
|
|||
|
|
{
|
|||
|
|
sector_offset = 2248;
|
|||
|
|
sector_size = 104;
|
|||
|
|
sector_skip = 0;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
case SectorTagType.CDSectorEDC:
|
|||
|
|
{
|
|||
|
|
sector_offset = 2064;
|
|||
|
|
sector_size = 4;
|
|||
|
|
sector_skip = 284;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
default:
|
|||
|
|
throw new ArgumentException("Unsupported tag requested", "tag");
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
default:
|
|||
|
|
throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
byte[] buffer = new byte[sector_size * length];
|
|||
|
|
|
|||
|
|
ulong remainingSectors = length;
|
|||
|
|
|
|||
|
|
if (_track.pregap > 0 && sectorAddress < _track.pregap)
|
|||
|
|
{
|
|||
|
|
ulong remainingPregap = _track.pregap - sectorAddress;
|
|||
|
|
byte[] zero;
|
|||
|
|
if (length > remainingPregap)
|
|||
|
|
{
|
|||
|
|
zero = new byte[remainingPregap * sector_size];
|
|||
|
|
remainingSectors -= remainingPregap;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
zero = new byte[length * sector_size];
|
|||
|
|
remainingSectors -= length;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
Array.Copy(zero, 0, buffer, 0, zero.Length);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if(remainingSectors == 0)
|
|||
|
|
return buffer;
|
|||
|
|
|
|||
|
|
imageStream = new FileStream(_track.trackfile, FileMode.Open, FileAccess.Read);
|
|||
|
|
using (BinaryReader br = new BinaryReader(imageStream))
|
|||
|
|
{
|
|||
|
|
br.BaseStream.Seek(_track.offset + (long)(sectorAddress * (sector_offset + sector_size + sector_skip) + _track.pregap * _track.bps), SeekOrigin.Begin);
|
|||
|
|
if (sector_offset == 0 && sector_skip == 0)
|
|||
|
|
buffer = br.ReadBytes((int)(sector_size * remainingSectors));
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
for (ulong i = 0; i < remainingSectors; i++)
|
|||
|
|
{
|
|||
|
|
byte[] sector;
|
|||
|
|
br.BaseStream.Seek(sector_offset, SeekOrigin.Current);
|
|||
|
|
sector = br.ReadBytes((int)sector_size);
|
|||
|
|
br.BaseStream.Seek(sector_skip, SeekOrigin.Current);
|
|||
|
|
Array.Copy(sector, 0, buffer, (int)(i * sector_size), sector_size);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return buffer;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override byte[] ReadSectorLong(UInt64 sectorAddress)
|
|||
|
|
{
|
|||
|
|
return ReadSectorsLong(sectorAddress, 1);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override byte[] ReadSectorLong(UInt64 sectorAddress, UInt32 track)
|
|||
|
|
{
|
|||
|
|
return ReadSectorsLong(sectorAddress, 1, track);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override byte[] ReadSectorsLong(UInt64 sectorAddress, UInt32 length)
|
|||
|
|
{
|
|||
|
|
foreach (KeyValuePair<uint, ulong> kvp in offsetmap)
|
|||
|
|
{
|
|||
|
|
if (sectorAddress >= kvp.Value)
|
|||
|
|
{
|
|||
|
|
foreach (GDITrack gdi_track in discimage.tracks)
|
|||
|
|
{
|
|||
|
|
if (gdi_track.sequence == kvp.Key)
|
|||
|
|
{
|
|||
|
|
if ((sectorAddress - kvp.Value) < gdi_track.sectors)
|
|||
|
|
return ReadSectorsLong((sectorAddress - kvp.Value), length, kvp.Key);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
throw new ArgumentOutOfRangeException("sectorAddress", "Sector address not found");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override byte[] ReadSectorsLong(UInt64 sectorAddress, UInt32 length, UInt32 track)
|
|||
|
|
{
|
|||
|
|
if (track == 0)
|
|||
|
|
{
|
|||
|
|
if((sectorAddress + length) > densitySeparationSectors)
|
|||
|
|
throw new ArgumentOutOfRangeException("length", "Requested more sectors than present in track, won't cross tracks");
|
|||
|
|
|
|||
|
|
return new byte[length * 2352];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
GDITrack _track = new GDITrack();
|
|||
|
|
|
|||
|
|
_track.sequence = 0;
|
|||
|
|
|
|||
|
|
foreach (GDITrack gdi_track in discimage.tracks)
|
|||
|
|
{
|
|||
|
|
if (gdi_track.sequence == track)
|
|||
|
|
{
|
|||
|
|
_track = gdi_track;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (_track.sequence == 0)
|
|||
|
|
throw new ArgumentOutOfRangeException("track", "Track does not exist in disc image");
|
|||
|
|
|
|||
|
|
if ((sectorAddress + length) > _track.sectors)
|
|||
|
|
throw new ArgumentOutOfRangeException("length", "Requested more sectors than present in track, won't cross tracks");
|
|||
|
|
|
|||
|
|
uint sector_offset;
|
|||
|
|
uint sector_size;
|
|||
|
|
uint sector_skip;
|
|||
|
|
|
|||
|
|
switch (_track.tracktype)
|
|||
|
|
{
|
|||
|
|
case TrackType.Audio:
|
|||
|
|
{
|
|||
|
|
sector_offset = 0;
|
|||
|
|
sector_size = 2352;
|
|||
|
|
sector_skip = 0;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
case TrackType.CDMode1:
|
|||
|
|
{
|
|||
|
|
if (_track.bps == 2352)
|
|||
|
|
{
|
|||
|
|
sector_offset = 0;
|
|||
|
|
sector_size = 2352;
|
|||
|
|
sector_skip = 0;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
sector_offset = 0;
|
|||
|
|
sector_size = 2048;
|
|||
|
|
sector_skip = 0;
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
default:
|
|||
|
|
throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
byte[] buffer = new byte[sector_size * length];
|
|||
|
|
|
|||
|
|
ulong remainingSectors = length;
|
|||
|
|
|
|||
|
|
if (_track.pregap > 0 && sectorAddress < _track.pregap)
|
|||
|
|
{
|
|||
|
|
ulong remainingPregap = _track.pregap - sectorAddress;
|
|||
|
|
byte[] zero;
|
|||
|
|
if (length > remainingPregap)
|
|||
|
|
{
|
|||
|
|
zero = new byte[remainingPregap * sector_size];
|
|||
|
|
remainingSectors -= remainingPregap;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
zero = new byte[length * sector_size];
|
|||
|
|
remainingSectors -= length;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
Array.Copy(zero, 0, buffer, 0, zero.Length);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if(remainingSectors == 0)
|
|||
|
|
return buffer;
|
|||
|
|
|
|||
|
|
imageStream = new FileStream(_track.trackfile, FileMode.Open, FileAccess.Read);
|
|||
|
|
using (BinaryReader br = new BinaryReader(imageStream))
|
|||
|
|
{
|
|||
|
|
br.BaseStream.Seek(_track.offset + (long)(sectorAddress * (sector_offset + sector_size + sector_skip) + _track.pregap * _track.bps), SeekOrigin.Begin);
|
|||
|
|
if (sector_offset == 0 && sector_skip == 0)
|
|||
|
|
buffer = br.ReadBytes((int)(sector_size * remainingSectors));
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
for (ulong i = 0; i < remainingSectors; i++)
|
|||
|
|
{
|
|||
|
|
byte[] sector;
|
|||
|
|
br.BaseStream.Seek(sector_offset, SeekOrigin.Current);
|
|||
|
|
sector = br.ReadBytes((int)sector_size);
|
|||
|
|
br.BaseStream.Seek(sector_skip, SeekOrigin.Current);
|
|||
|
|
Array.Copy(sector, 0, buffer, (int)(i * sector_size), sector_size);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return buffer;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string GetImageFormat()
|
|||
|
|
{
|
|||
|
|
return "Dreamcast GDI image";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string GetImageVersion()
|
|||
|
|
{
|
|||
|
|
return ImageInfo.imageVersion;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string GetImageApplication()
|
|||
|
|
{
|
|||
|
|
return ImageInfo.imageApplication;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string GetImageApplicationVersion()
|
|||
|
|
{
|
|||
|
|
return ImageInfo.imageApplicationVersion;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override DateTime GetImageCreationTime()
|
|||
|
|
{
|
|||
|
|
return ImageInfo.imageCreationTime;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override DateTime GetImageLastModificationTime()
|
|||
|
|
{
|
|||
|
|
return ImageInfo.imageLastModificationTime;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string GetImageComments()
|
|||
|
|
{
|
|||
|
|
return ImageInfo.imageComments;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string GetDiskSerialNumber()
|
|||
|
|
{
|
|||
|
|
return ImageInfo.diskSerialNumber;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string GetDiskBarcode()
|
|||
|
|
{
|
|||
|
|
return ImageInfo.diskBarcode;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override DiskType GetDiskType()
|
|||
|
|
{
|
|||
|
|
return ImageInfo.diskType;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override List<Partition> GetPartitions()
|
|||
|
|
{
|
|||
|
|
return partitions;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override List<Track> GetTracks()
|
|||
|
|
{
|
|||
|
|
List<Track> tracks = new List<Track>();
|
|||
|
|
|
|||
|
|
foreach (GDITrack gdi_track in discimage.tracks)
|
|||
|
|
{
|
|||
|
|
Track _track = new Track();
|
|||
|
|
|
|||
|
|
_track.Indexes = new Dictionary<int, ulong>();
|
|||
|
|
_track.TrackDescription = null;
|
|||
|
|
_track.TrackStartSector = gdi_track.startSector;
|
|||
|
|
_track.TrackEndSector = _track.TrackStartSector + gdi_track.sectors - 1;
|
|||
|
|
_track.TrackPregap = gdi_track.pregap;
|
|||
|
|
if (gdi_track.highDensity)
|
|||
|
|
_track.TrackSession = 2;
|
|||
|
|
else
|
|||
|
|
_track.TrackSession = 1;
|
|||
|
|
_track.TrackSequence = gdi_track.sequence;
|
|||
|
|
_track.TrackType = gdi_track.tracktype;
|
|||
|
|
_track.TrackFile = gdi_track.trackfile;
|
|||
|
|
_track.TrackFileOffset = (ulong)gdi_track.offset;
|
|||
|
|
_track.TrackFileType = "BINARY";
|
|||
|
|
_track.TrackRawBytesPerSector = gdi_track.bps;
|
|||
|
|
if(gdi_track.tracktype == TrackType.Data)
|
|||
|
|
_track.TrackBytesPerSector = 2048;
|
|||
|
|
else
|
|||
|
|
_track.TrackBytesPerSector = 2352;
|
|||
|
|
_track.TrackSubchannelType = TrackSubchannelType.None;
|
|||
|
|
|
|||
|
|
tracks.Add(_track);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return tracks;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override List<Track> GetSessionTracks(Session session)
|
|||
|
|
{
|
|||
|
|
if (discimage.sessions.Contains(session))
|
|||
|
|
{
|
|||
|
|
return GetSessionTracks(session.SessionSequence);
|
|||
|
|
}
|
|||
|
|
throw new ImageNotSupportedException("Session does not exist in disc image");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override List<Track> GetSessionTracks(UInt16 session)
|
|||
|
|
{
|
|||
|
|
List<Track> tracks = new List<Track>();
|
|||
|
|
bool expectedDensity;
|
|||
|
|
|
|||
|
|
switch(session)
|
|||
|
|
{
|
|||
|
|
case 1:
|
|||
|
|
expectedDensity = false;
|
|||
|
|
break;
|
|||
|
|
case 2:
|
|||
|
|
expectedDensity = true;
|
|||
|
|
break;
|
|||
|
|
default:
|
|||
|
|
throw new ImageNotSupportedException("Session does not exist in disc image");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
foreach (GDITrack gdi_track in discimage.tracks)
|
|||
|
|
{
|
|||
|
|
if (gdi_track.highDensity == expectedDensity)
|
|||
|
|
{
|
|||
|
|
Track _track = new Track();
|
|||
|
|
|
|||
|
|
_track.Indexes = new Dictionary<int, ulong>();
|
|||
|
|
_track.TrackDescription = null;
|
|||
|
|
_track.TrackStartSector = gdi_track.startSector;
|
|||
|
|
_track.TrackEndSector = _track.TrackStartSector + gdi_track.sectors - 1;
|
|||
|
|
_track.TrackPregap = gdi_track.pregap;
|
|||
|
|
if (gdi_track.highDensity)
|
|||
|
|
_track.TrackSession = 2;
|
|||
|
|
else
|
|||
|
|
_track.TrackSession = 1;
|
|||
|
|
_track.TrackSequence = gdi_track.sequence;
|
|||
|
|
_track.TrackType = gdi_track.tracktype;
|
|||
|
|
_track.TrackFile = gdi_track.trackfile;
|
|||
|
|
_track.TrackFileOffset = (ulong)gdi_track.offset;
|
|||
|
|
_track.TrackFileType = "BINARY";
|
|||
|
|
_track.TrackRawBytesPerSector = gdi_track.bps;
|
|||
|
|
if(gdi_track.tracktype == TrackType.Data)
|
|||
|
|
_track.TrackBytesPerSector = 2048;
|
|||
|
|
else
|
|||
|
|
_track.TrackBytesPerSector = 2352;
|
|||
|
|
_track.TrackSubchannelType = TrackSubchannelType.None;
|
|||
|
|
|
|||
|
|
tracks.Add(_track);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return tracks;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override List<Session> GetSessions()
|
|||
|
|
{
|
|||
|
|
return discimage.sessions;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override bool? VerifySector(UInt64 sectorAddress)
|
|||
|
|
{
|
|||
|
|
byte[] buffer = ReadSectorLong(sectorAddress);
|
|||
|
|
return Checksums.CDChecksums.CheckCDSector(buffer);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override bool? VerifySector(UInt64 sectorAddress, UInt32 track)
|
|||
|
|
{
|
|||
|
|
byte[] buffer = ReadSectorLong(sectorAddress, track);
|
|||
|
|
return Checksums.CDChecksums.CheckCDSector(buffer);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override bool? VerifySectors(UInt64 sectorAddress, UInt32 length, out List<UInt64> FailingLBAs, out List<UInt64> UnknownLBAs)
|
|||
|
|
{
|
|||
|
|
byte[] buffer = ReadSectorsLong(sectorAddress, length);
|
|||
|
|
int bps = (int)(buffer.Length / length);
|
|||
|
|
byte[] sector = new byte[bps];
|
|||
|
|
FailingLBAs = new List<UInt64>();
|
|||
|
|
UnknownLBAs = new List<UInt64>();
|
|||
|
|
|
|||
|
|
for (int i = 0; i < length; i++)
|
|||
|
|
{
|
|||
|
|
Array.Copy(buffer, i * bps, sector, 0, bps);
|
|||
|
|
bool? sectorStatus = Checksums.CDChecksums.CheckCDSector(sector);
|
|||
|
|
|
|||
|
|
switch (sectorStatus)
|
|||
|
|
{
|
|||
|
|
case null:
|
|||
|
|
UnknownLBAs.Add((ulong)i + sectorAddress);
|
|||
|
|
break;
|
|||
|
|
case false:
|
|||
|
|
FailingLBAs.Add((ulong)i + sectorAddress);
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (UnknownLBAs.Count > 0)
|
|||
|
|
return null;
|
|||
|
|
if (FailingLBAs.Count > 0)
|
|||
|
|
return false;
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override bool? VerifySectors(UInt64 sectorAddress, UInt32 length, UInt32 track, out List<UInt64> FailingLBAs, out List<UInt64> UnknownLBAs)
|
|||
|
|
{
|
|||
|
|
byte[] buffer = ReadSectorsLong(sectorAddress, length, track);
|
|||
|
|
int bps = (int)(buffer.Length / length);
|
|||
|
|
byte[] sector = new byte[bps];
|
|||
|
|
FailingLBAs = new List<UInt64>();
|
|||
|
|
UnknownLBAs = new List<UInt64>();
|
|||
|
|
|
|||
|
|
for (int i = 0; i < length; i++)
|
|||
|
|
{
|
|||
|
|
Array.Copy(buffer, i * bps, sector, 0, bps);
|
|||
|
|
bool? sectorStatus = Checksums.CDChecksums.CheckCDSector(sector);
|
|||
|
|
|
|||
|
|
switch (sectorStatus)
|
|||
|
|
{
|
|||
|
|
case null:
|
|||
|
|
UnknownLBAs.Add((ulong)i + sectorAddress);
|
|||
|
|
break;
|
|||
|
|
case false:
|
|||
|
|
FailingLBAs.Add((ulong)i + sectorAddress);
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (UnknownLBAs.Count > 0)
|
|||
|
|
return null;
|
|||
|
|
if (FailingLBAs.Count > 0)
|
|||
|
|
return false;
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override bool? VerifyDiskImage()
|
|||
|
|
{
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion Public methods
|
|||
|
|
|
|||
|
|
#region Unsupported features
|
|||
|
|
|
|||
|
|
public override int GetDiskSequence()
|
|||
|
|
{
|
|||
|
|
return ImageInfo.diskSequence;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override int GetLastDiskSequence()
|
|||
|
|
{
|
|||
|
|
return ImageInfo.lastDiskSequence;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string GetDriveManufacturer()
|
|||
|
|
{
|
|||
|
|
return ImageInfo.driveManufacturer;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string GetDriveModel()
|
|||
|
|
{
|
|||
|
|
return ImageInfo.driveModel;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string GetDriveSerialNumber()
|
|||
|
|
{
|
|||
|
|
return ImageInfo.driveSerialNumber;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string GetDiskPartNumber()
|
|||
|
|
{
|
|||
|
|
return ImageInfo.diskPartNumber;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string GetDiskManufacturer()
|
|||
|
|
{
|
|||
|
|
return ImageInfo.diskManufacturer;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string GetDiskModel()
|
|||
|
|
{
|
|||
|
|
return ImageInfo.diskModel;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string GetImageName()
|
|||
|
|
{
|
|||
|
|
return ImageInfo.imageName;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override string GetImageCreator()
|
|||
|
|
{
|
|||
|
|
return ImageInfo.imageCreator;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion Unsupported features
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|