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Refactor image classes and split them to smaller files.
This commit is contained in:
602
DiscImageChef.DiscImages/CloneCD/Write.cs
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602
DiscImageChef.DiscImages/CloneCD/Write.cs
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@@ -0,0 +1,602 @@
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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 : Write.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Disk image plugins.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Writes CloneCD disc images.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; 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.IO;
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using System.Linq;
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using System.Text;
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using DiscImageChef.CommonTypes;
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using DiscImageChef.CommonTypes.Enums;
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using DiscImageChef.CommonTypes.Structs;
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using DiscImageChef.Decoders.CD;
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using Schemas;
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using TrackType = DiscImageChef.CommonTypes.Enums.TrackType;
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namespace DiscImageChef.DiscImages
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{
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public partial class CloneCd
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{
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public bool Create(string path, MediaType mediaType, Dictionary<string, string> options, ulong sectors,
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uint sectorSize)
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{
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if(!SupportedMediaTypes.Contains(mediaType))
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{
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ErrorMessage = $"Unsupport media format {mediaType}";
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return false;
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}
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imageInfo = new ImageInfo {MediaType = mediaType, SectorSize = sectorSize, Sectors = sectors};
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try
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{
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writingBaseName = Path.Combine(Path.GetDirectoryName(path), Path.GetFileNameWithoutExtension(path));
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descriptorStream = new StreamWriter(path, false, Encoding.ASCII);
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dataStream = new FileStream(writingBaseName + ".img", FileMode.OpenOrCreate, FileAccess.ReadWrite,
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FileShare.None);
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}
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catch(IOException e)
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{
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ErrorMessage = $"Could not create new image file, exception {e.Message}";
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return false;
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}
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imageInfo.MediaType = mediaType;
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trackFlags = new Dictionary<byte, byte>();
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IsWriting = true;
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ErrorMessage = null;
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return true;
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}
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public bool WriteMediaTag(byte[] data, MediaTagType tag)
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{
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if(!IsWriting)
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{
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ErrorMessage = "Tried to write on a non-writable image";
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return false;
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}
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switch(tag)
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{
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case MediaTagType.CD_MCN:
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catalog = Encoding.ASCII.GetString(data);
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return true;
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case MediaTagType.CD_FullTOC:
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fulltoc = new byte[data.Length + 2];
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Array.Copy(data, 0, fulltoc, 2, data.Length);
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fulltoc[0] = (byte)((data.Length & 0xFF00) >> 8);
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fulltoc[1] = (byte)(data.Length & 0xFF);
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return true;
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default:
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ErrorMessage = $"Unsupported media tag {tag}";
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return false;
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}
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}
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public bool WriteSector(byte[] data, ulong sectorAddress)
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{
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if(!IsWriting)
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{
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ErrorMessage = "Tried to write on a non-writable image";
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return false;
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}
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// TODO: Implement ECC generation
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ErrorMessage = "This format requires sectors to be raw. Generating ECC is not yet implemented";
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return false;
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}
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public bool WriteSectors(byte[] data, ulong sectorAddress, uint length)
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{
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if(!IsWriting)
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{
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ErrorMessage = "Tried to write on a non-writable image";
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return false;
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}
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// TODO: Implement ECC generation
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ErrorMessage = "This format requires sectors to be raw. Generating ECC is not yet implemented";
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return false;
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}
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public bool WriteSectorLong(byte[] data, ulong sectorAddress)
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{
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if(!IsWriting)
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{
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ErrorMessage = "Tried to write on a non-writable image";
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return false;
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}
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Track track =
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Tracks.FirstOrDefault(trk => sectorAddress >= trk.TrackStartSector &&
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sectorAddress <= trk.TrackEndSector);
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if(track.TrackSequence == 0)
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{
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ErrorMessage = $"Can't found track containing {sectorAddress}";
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return false;
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}
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if(data.Length != track.TrackRawBytesPerSector)
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{
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ErrorMessage = "Incorrect data size";
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return false;
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}
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dataStream.Seek((long)(track.TrackFileOffset + (sectorAddress - track.TrackStartSector) * (ulong)track.TrackRawBytesPerSector),
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SeekOrigin.Begin);
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dataStream.Write(data, 0, data.Length);
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return true;
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}
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public bool WriteSectorsLong(byte[] data, ulong sectorAddress, uint length)
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{
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if(!IsWriting)
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{
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ErrorMessage = "Tried to write on a non-writable image";
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return false;
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}
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Track track =
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Tracks.FirstOrDefault(trk => sectorAddress >= trk.TrackStartSector &&
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sectorAddress <= trk.TrackEndSector);
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if(track.TrackSequence == 0)
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{
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ErrorMessage = $"Can't found track containing {sectorAddress}";
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return false;
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}
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if(sectorAddress + length > track.TrackEndSector + 1)
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{
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ErrorMessage = "Can't cross tracks";
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return false;
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}
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if(data.Length % track.TrackRawBytesPerSector != 0)
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{
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ErrorMessage = "Incorrect data size";
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return false;
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}
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dataStream.Seek((long)(track.TrackFileOffset + (sectorAddress - track.TrackStartSector) * (ulong)track.TrackRawBytesPerSector),
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SeekOrigin.Begin);
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dataStream.Write(data, 0, data.Length);
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return true;
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}
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public bool SetTracks(List<Track> tracks)
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{
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ulong currentDataOffset = 0;
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ulong currentSubchannelOffset = 0;
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Tracks = new List<Track>();
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foreach(Track track in tracks.OrderBy(t => t.TrackSequence))
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{
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Track newTrack = track;
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uint subchannelSize;
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switch(track.TrackSubchannelType)
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{
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case TrackSubchannelType.None:
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subchannelSize = 0;
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break;
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case TrackSubchannelType.Raw:
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case TrackSubchannelType.RawInterleaved:
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subchannelSize = 96;
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break;
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default:
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ErrorMessage = $"Unsupported subchannel type {track.TrackSubchannelType}";
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return false;
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}
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newTrack.TrackFileOffset = currentDataOffset;
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newTrack.TrackSubchannelOffset = currentSubchannelOffset;
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currentDataOffset += (ulong)newTrack.TrackRawBytesPerSector *
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(newTrack.TrackEndSector - newTrack.TrackStartSector + 1);
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currentSubchannelOffset += subchannelSize * (newTrack.TrackEndSector - newTrack.TrackStartSector + 1);
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Tracks.Add(newTrack);
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}
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return true;
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}
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public bool Close()
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{
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if(!IsWriting)
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{
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ErrorMessage = "Image is not opened for writing";
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return false;
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}
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dataStream.Flush();
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dataStream.Close();
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subStream?.Flush();
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subStream?.Close();
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FullTOC.CDFullTOC? nullableToc = null;
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FullTOC.CDFullTOC toc;
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// Easy, just decode the real toc
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if(fulltoc != null) nullableToc = FullTOC.Decode(fulltoc);
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// Not easy, create a toc from scratch
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if(nullableToc == null)
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{
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toc = new FullTOC.CDFullTOC();
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Dictionary<byte, byte> sessionEndingTrack = new Dictionary<byte, byte>();
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toc.FirstCompleteSession = byte.MaxValue;
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toc.LastCompleteSession = byte.MinValue;
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List<FullTOC.TrackDataDescriptor> trackDescriptors = new List<FullTOC.TrackDataDescriptor>();
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byte currentTrack = 0;
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foreach(Track track in Tracks.OrderBy(t => t.TrackSession).ThenBy(t => t.TrackSequence))
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{
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if(track.TrackSession < toc.FirstCompleteSession)
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toc.FirstCompleteSession = (byte)track.TrackSession;
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if(track.TrackSession <= toc.LastCompleteSession)
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{
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currentTrack = (byte)track.TrackSequence;
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continue;
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}
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if(toc.LastCompleteSession > 0) sessionEndingTrack.Add(toc.LastCompleteSession, currentTrack);
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toc.LastCompleteSession = (byte)track.TrackSession;
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}
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byte currentSession = 0;
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foreach(Track track in Tracks.OrderBy(t => t.TrackSession).ThenBy(t => t.TrackSequence))
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{
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trackFlags.TryGetValue((byte)track.TrackSequence, out byte trackControl);
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if(trackControl == 0 && track.TrackType != TrackType.Audio) trackControl = (byte)CdFlags.DataTrack;
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// Lead-Out
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if(track.TrackSession > currentSession && currentSession != 0)
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{
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(byte minute, byte second, byte frame) leadoutAmsf = LbaToMsf(track.TrackStartSector - 150);
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(byte minute, byte second, byte frame) leadoutPmsf =
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LbaToMsf(Tracks.OrderBy(t => t.TrackSession).ThenBy(t => t.TrackSequence).Last()
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.TrackStartSector);
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// Lead-out
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trackDescriptors.Add(new FullTOC.TrackDataDescriptor
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{
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SessionNumber = currentSession,
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POINT = 0xB0,
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ADR = 5,
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CONTROL = 0,
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HOUR = 0,
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Min = leadoutAmsf.minute,
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Sec = leadoutAmsf.second,
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Frame = leadoutAmsf.frame,
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PHOUR = 2,
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PMIN = leadoutPmsf.minute,
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PSEC = leadoutPmsf.second,
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PFRAME = leadoutPmsf.frame
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});
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// This seems to be constant? It should not exist on CD-ROM but CloneCD creates them anyway
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// Format seems like ATIP, but ATIP should not be as 0xC0 in TOC...
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trackDescriptors.Add(new FullTOC.TrackDataDescriptor
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{
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SessionNumber = currentSession,
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POINT = 0xC0,
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ADR = 5,
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CONTROL = 0,
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Min = 128,
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PMIN = 97,
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PSEC = 25
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});
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}
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// Lead-in
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if(track.TrackSession > currentSession)
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{
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currentSession = (byte)track.TrackSession;
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sessionEndingTrack.TryGetValue(currentSession, out byte endingTrackNumber);
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(byte minute, byte second, byte frame) leadinPmsf =
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LbaToMsf(Tracks.FirstOrDefault(t => t.TrackSequence == endingTrackNumber).TrackEndSector +
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1);
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// Starting track
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trackDescriptors.Add(new FullTOC.TrackDataDescriptor
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{
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SessionNumber = currentSession,
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POINT = 0xA0,
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ADR = 1,
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CONTROL = trackControl,
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PMIN = (byte)track.TrackSequence
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});
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// Ending track
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trackDescriptors.Add(new FullTOC.TrackDataDescriptor
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{
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SessionNumber = currentSession,
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POINT = 0xA1,
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ADR = 1,
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CONTROL = trackControl,
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PMIN = endingTrackNumber
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});
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// Lead-out start
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trackDescriptors.Add(new FullTOC.TrackDataDescriptor
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{
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SessionNumber = currentSession,
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POINT = 0xA2,
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ADR = 1,
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CONTROL = trackControl,
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PHOUR = 0,
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PMIN = leadinPmsf.minute,
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PSEC = leadinPmsf.second,
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PFRAME = leadinPmsf.frame
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});
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}
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(byte minute, byte second, byte frame) pmsf = LbaToMsf(track.TrackStartSector);
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// Track
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trackDescriptors.Add(new FullTOC.TrackDataDescriptor
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{
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SessionNumber = (byte)track.TrackSession,
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POINT = (byte)track.TrackSequence,
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ADR = 1,
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CONTROL = trackControl,
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PHOUR = 0,
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PMIN = pmsf.minute,
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PSEC = pmsf.second,
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PFRAME = pmsf.frame
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});
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}
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toc.TrackDescriptors = trackDescriptors.ToArray();
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}
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else toc = nullableToc.Value;
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descriptorStream.WriteLine("[CloneCD]");
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descriptorStream.WriteLine("Version=2");
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descriptorStream.WriteLine("[Disc]");
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descriptorStream.WriteLine("TocEntries={0}", toc.TrackDescriptors.Length);
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descriptorStream.WriteLine("Sessions={0}", toc.LastCompleteSession);
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descriptorStream.WriteLine("DataTracksScrambled=0");
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descriptorStream.WriteLine("CDTextLength=0");
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if(!string.IsNullOrEmpty(catalog)) descriptorStream.WriteLine("CATALOG={0}", catalog);
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for(int i = 1; i <= toc.LastCompleteSession; i++)
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{
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// TODO: Use first track of session info
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descriptorStream.WriteLine("[Session {0}]", i);
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descriptorStream.WriteLine("PreGapMode=0");
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descriptorStream.WriteLine("PreGapSubC=0");
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}
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for(int i = 0; i < toc.TrackDescriptors.Length; i++)
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{
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long alba = MsfToLba((toc.TrackDescriptors[i].Min, toc.TrackDescriptors[i].Sec,
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toc.TrackDescriptors[i].Frame));
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long plba = MsfToLba((toc.TrackDescriptors[i].PMIN, toc.TrackDescriptors[i].PSEC,
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toc.TrackDescriptors[i].PFRAME));
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if(alba > 405000) alba = (alba - 405000 + 300) * -1;
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if(plba > 405000) plba = (plba - 405000 + 300) * -1;
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descriptorStream.WriteLine("[Entry {0}]", i);
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descriptorStream.WriteLine("Session={0}", toc.TrackDescriptors[i].SessionNumber);
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descriptorStream.WriteLine("Point=0x{0:x2}", toc.TrackDescriptors[i].POINT);
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descriptorStream.WriteLine("ADR=0x{0:x2}", toc.TrackDescriptors[i].ADR);
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descriptorStream.WriteLine("Control=0x{0:x2}", toc.TrackDescriptors[i].CONTROL);
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descriptorStream.WriteLine("TrackNo={0}", toc.TrackDescriptors[i].TNO);
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descriptorStream.WriteLine("AMin={0}", toc.TrackDescriptors[i].Min);
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descriptorStream.WriteLine("ASec={0}", toc.TrackDescriptors[i].Sec);
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descriptorStream.WriteLine("AFrame={0}", toc.TrackDescriptors[i].Frame);
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descriptorStream.WriteLine("ALBA={0}", alba);
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descriptorStream.WriteLine("Zero={0}",
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((toc.TrackDescriptors[i].HOUR & 0x0F) << 4) +
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(toc.TrackDescriptors[i].PHOUR & 0x0F));
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descriptorStream.WriteLine("PMin={0}", toc.TrackDescriptors[i].PMIN);
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descriptorStream.WriteLine("PSec={0}", toc.TrackDescriptors[i].PSEC);
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descriptorStream.WriteLine("PFrame={0}", toc.TrackDescriptors[i].PFRAME);
|
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descriptorStream.WriteLine("PLBA={0}", plba);
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}
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descriptorStream.Flush();
|
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descriptorStream.Close();
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||||
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IsWriting = false;
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ErrorMessage = "";
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return true;
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}
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public bool SetMetadata(ImageInfo metadata)
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{
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return true;
|
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}
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|
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public bool SetGeometry(uint cylinders, uint heads, uint sectorsPerTrack)
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{
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ErrorMessage = "Unsupported feature";
|
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return false;
|
||||
}
|
||||
|
||||
public bool WriteSectorTag(byte[] data, ulong sectorAddress, SectorTagType tag)
|
||||
{
|
||||
if(!IsWriting)
|
||||
{
|
||||
ErrorMessage = "Tried to write on a non-writable image";
|
||||
return false;
|
||||
}
|
||||
|
||||
Track track =
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Tracks.FirstOrDefault(trk => sectorAddress >= trk.TrackStartSector &&
|
||||
sectorAddress <= trk.TrackEndSector);
|
||||
|
||||
if(track.TrackSequence == 0)
|
||||
{
|
||||
ErrorMessage = $"Can't found track containing {sectorAddress}";
|
||||
return false;
|
||||
}
|
||||
|
||||
switch(tag)
|
||||
{
|
||||
case SectorTagType.CdTrackFlags:
|
||||
{
|
||||
if(data.Length != 1)
|
||||
{
|
||||
ErrorMessage = "Incorrect data size for track flags";
|
||||
return false;
|
||||
}
|
||||
|
||||
trackFlags.Add((byte)track.TrackSequence, data[0]);
|
||||
|
||||
return true;
|
||||
}
|
||||
case SectorTagType.CdSectorSubchannel:
|
||||
{
|
||||
if(track.TrackSubchannelType == 0)
|
||||
{
|
||||
ErrorMessage =
|
||||
$"Trying to write subchannel to track {track.TrackSequence}, that does not have subchannel";
|
||||
return false;
|
||||
}
|
||||
|
||||
if(data.Length != 96)
|
||||
{
|
||||
ErrorMessage = "Incorrect data size for subchannel";
|
||||
return false;
|
||||
}
|
||||
|
||||
if(subStream == null)
|
||||
try
|
||||
{
|
||||
subStream = new FileStream(writingBaseName + ".sub", FileMode.OpenOrCreate,
|
||||
FileAccess.ReadWrite, FileShare.None);
|
||||
}
|
||||
catch(IOException e)
|
||||
{
|
||||
ErrorMessage = $"Could not create subchannel file, exception {e.Message}";
|
||||
return false;
|
||||
}
|
||||
|
||||
subStream.Seek((long)(track.TrackSubchannelOffset + (sectorAddress - track.TrackStartSector) * 96),
|
||||
SeekOrigin.Begin);
|
||||
subStream.Write(data, 0, data.Length);
|
||||
|
||||
return true;
|
||||
}
|
||||
default:
|
||||
ErrorMessage = $"Unsupported tag type {tag}";
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
public bool WriteSectorsTag(byte[] data, ulong sectorAddress, uint length, SectorTagType tag)
|
||||
{
|
||||
if(!IsWriting)
|
||||
{
|
||||
ErrorMessage = "Tried to write on a non-writable image";
|
||||
return false;
|
||||
}
|
||||
|
||||
Track track =
|
||||
Tracks.FirstOrDefault(trk => sectorAddress >= trk.TrackStartSector &&
|
||||
sectorAddress <= trk.TrackEndSector);
|
||||
|
||||
if(track.TrackSequence == 0)
|
||||
{
|
||||
ErrorMessage = $"Can't found track containing {sectorAddress}";
|
||||
return false;
|
||||
}
|
||||
|
||||
switch(tag)
|
||||
{
|
||||
case SectorTagType.CdTrackFlags:
|
||||
case SectorTagType.CdTrackIsrc: return WriteSectorTag(data, sectorAddress, tag);
|
||||
case SectorTagType.CdSectorSubchannel:
|
||||
{
|
||||
if(track.TrackSubchannelType == 0)
|
||||
{
|
||||
ErrorMessage =
|
||||
$"Trying to write subchannel to track {track.TrackSequence}, that does not have subchannel";
|
||||
return false;
|
||||
}
|
||||
|
||||
if(data.Length % 96 != 0)
|
||||
{
|
||||
ErrorMessage = "Incorrect data size for subchannel";
|
||||
return false;
|
||||
}
|
||||
|
||||
if(subStream == null)
|
||||
try
|
||||
{
|
||||
subStream = new FileStream(writingBaseName + ".sub", FileMode.OpenOrCreate,
|
||||
FileAccess.ReadWrite, FileShare.None);
|
||||
}
|
||||
catch(IOException e)
|
||||
{
|
||||
ErrorMessage = $"Could not create subchannel file, exception {e.Message}";
|
||||
return false;
|
||||
}
|
||||
|
||||
subStream.Seek((long)(track.TrackSubchannelOffset + (sectorAddress - track.TrackStartSector) * 96),
|
||||
SeekOrigin.Begin);
|
||||
subStream.Write(data, 0, data.Length);
|
||||
|
||||
return true;
|
||||
}
|
||||
default:
|
||||
ErrorMessage = $"Unsupported tag type {tag}";
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
public bool SetDumpHardware(List<DumpHardwareType> dumpHardware)
|
||||
{
|
||||
// Not supported
|
||||
return false;
|
||||
}
|
||||
|
||||
public bool SetCicmMetadata(CICMMetadataType metadata)
|
||||
{
|
||||
// Not supported
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user