private void SetVolumeDescriptor(byte[] systemId, byte[] volumeId, ulong volumeSpaceSize, ulong pathTableSize,
uint typeLPathTable, uint typeMPathTable, DirectoryRecord rootDirRecord,
AsciiDateRecord creationDate, AsciiDateRecord modificationDate,
AsciiDateRecord expirationDate, AsciiDateRecord effectiveDate)
{
if (m_volumeDescriptor == null)
{
m_volumeDescriptor = new VolumeDescriptor();
}
m_volumeDescriptor.VolumeDescType = (byte)m_volumeDescriptorType;
systemId.CopyTo(m_volumeDescriptor.SystemId, 0);
volumeId.CopyTo(m_volumeDescriptor.VolumeId, 0);
m_volumeDescriptor.VolumeSpaceSize = volumeSpaceSize;
m_volumeDescriptor.PathTableSize = pathTableSize;
m_volumeDescriptor.TypeLPathTable = typeLPathTable;
m_volumeDescriptor.TypeMPathTable = typeMPathTable;
m_volumeDescriptor.RootDirRecord = rootDirRecord;
m_rootDirRecord = new DirectoryRecordWrapper(rootDirRecord);
m_volumeDescriptor.CreationDate = creationDate;
m_creationDate = new DateWrapper(creationDate);
m_volumeDescriptor.ModificationDate = modificationDate;
m_modificationDate = new DateWrapper(modificationDate);
m_volumeDescriptor.ExpirationDate = expirationDate;
m_expirationDate = new DateWrapper(expirationDate);
m_volumeDescriptor.EffectiveDate = effectiveDate;
m_effectiveDate = new DateWrapper(effectiveDate);
}
private void SetVolumeDescriptor(string systemId, string volumeId, uint volumeSpaceSize, uint pathTableSize,
uint typeLPathTable, uint typeMPathTable, DirectoryRecordWrapper rootDir, DateTime creationDate, DateTime modificationDate, sbyte timeZone)
{
byte[] lSystemId;
byte[] lVolumeId;
if (VolumeDescriptorType == VolumeType.Primary)
{
lSystemId = IsoAlgorithm.StringToByteArray(systemId, IsoAlgorithm.SystemIdLength);
lVolumeId = IsoAlgorithm.StringToByteArray(volumeId, IsoAlgorithm.VolumeIdLength);
}
else if (VolumeDescriptorType == VolumeType.Suplementary)
{
lSystemId = IsoAlgorithm.AsciiToUnicode(systemId, IsoAlgorithm.SystemIdLength);
lVolumeId = IsoAlgorithm.AsciiToUnicode(volumeId, IsoAlgorithm.VolumeIdLength);
}
else
{
if (m_volumeDescriptor == null)
{
m_volumeDescriptor = new VolumeDescriptor();
}
m_volumeDescriptor.VolumeDescType = (byte)m_volumeDescriptorType;
return;
}
ulong lVolumeSpaceSize = IsoAlgorithm.BothEndian(volumeSpaceSize);
ulong lPathTableSize = IsoAlgorithm.BothEndian(pathTableSize);
// typeLPathTable remains unchanged, but typeMPathTable has to change byte order.
uint lTypeMPathTable = IsoAlgorithm.ChangeEndian(typeMPathTable);
DateWrapper lCreationDate = new DateWrapper(creationDate, timeZone);
DateWrapper lModificationDate = new DateWrapper(modificationDate, timeZone);
DateWrapper bufferDate = new DateWrapper(IsoAlgorithm.NoDate);
SetVolumeDescriptor(lSystemId, lVolumeId, lVolumeSpaceSize, lPathTableSize, typeLPathTable, lTypeMPathTable,
rootDir.Record, lCreationDate.AsciiDateRecord, lModificationDate.AsciiDateRecord,
bufferDate.AsciiDateRecord, bufferDate.AsciiDateRecord);
}
public VolumeDescriptorWrapper(string volumeName, uint volumeSpaceSize, uint pathTableSize, uint typeLPathTable, uint typeMPathTable,
DirectoryRecordWrapper root, DateTime creationDate, DateTime modificationDate, sbyte timeZone)
{
SetVolumeDescriptor(volumeName, volumeSpaceSize, pathTableSize, typeLPathTable, typeMPathTable, root, creationDate,
modificationDate, timeZone);
}
public VolumeDescriptorWrapper(string volumeName, DirectoryRecordWrapper root, DateTime creationDate, DateTime modificationDate)
{
this.SetVolumeDescriptor(volumeName, 0, 0, 0, 0, root, creationDate, modificationDate, 8);
}
public VolumeDescriptorWrapper( string volumeName, UInt32 volumeSpaceSize, UInt32 pathTableSize, UInt32 typeLPathTable, UInt32 typeMPathTable,
DirectoryRecordWrapper root, DateTime creationDate, DateTime modificationDate, sbyte timeZone ) {
this.SetVolumeDescriptor( volumeName, volumeSpaceSize, pathTableSize, typeLPathTable, typeMPathTable, root, creationDate,
modificationDate, timeZone );
}
public void SetVolumeDescriptor(string volumeName, UInt32 volumeSpaceSize, UInt32 pathTableSize, UInt32 typeLPathTable,
UInt32 typeMPathTable, DirectoryRecordWrapper root, DateTime creationDate, DateTime modificationDate, sbyte timeZone)
{
this.SetVolumeDescriptor(" ", volumeName, volumeSpaceSize, pathTableSize, typeLPathTable, typeMPathTable,
root, creationDate, modificationDate, timeZone);
}
public VolumeDescriptorWrapper( string volumeName, DirectoryRecordWrapper root, DateTime creationDate, DateTime modificationDate ) {
this.SetVolumeDescriptor( volumeName, 0, 0, 0, 0, root, creationDate, modificationDate, 8 );
}
private void SetVolumeDescriptor( string systemId, string volumeId, UInt32 volumeSpaceSize, UInt32 pathTableSize,
UInt32 typeLPathTable, UInt32 typeMPathTable, DirectoryRecordWrapper rootDir, DateTime creationDate, DateTime modificationDate, sbyte timeZone ) {
byte[] lSystemId;
byte[] lVolumeId;
if ( VolumeDescriptorType == VolumeType.Primary ) {
lSystemId = IsoAlgorithm.StringToByteArray( systemId, IsoAlgorithm.SystemIdLength );
lVolumeId = IsoAlgorithm.StringToByteArray( volumeId, IsoAlgorithm.VolumeIdLength );
} else if ( VolumeDescriptorType == VolumeType.Suplementary ) {
lSystemId = IsoAlgorithm.AsciiToUnicode( systemId, IsoAlgorithm.SystemIdLength );
lVolumeId = IsoAlgorithm.AsciiToUnicode( volumeId, IsoAlgorithm.VolumeIdLength );
} else {
if ( m_volumeDescriptor == null ) {
m_volumeDescriptor = new VolumeDescriptor();
}
m_volumeDescriptor.VolumeDescType = (byte)m_volumeDescriptorType;
return;
}
UInt64 lVolumeSpaceSize = IsoAlgorithm.BothEndian( volumeSpaceSize );
UInt64 lPathTableSize = IsoAlgorithm.BothEndian( pathTableSize );
// typeLPathTable remains unchanged, but typeMPathTable has to change byte order.
UInt32 lTypeMPathTable = IsoAlgorithm.ChangeEndian( typeMPathTable );
DateWrapper lCreationDate = new DateWrapper( creationDate, timeZone );
DateWrapper lModificationDate = new DateWrapper( modificationDate, timeZone );
DateWrapper bufferDate = new DateWrapper( IsoAlgorithm.NoDate );
this.SetVolumeDescriptor( lSystemId, lVolumeId, lVolumeSpaceSize, lPathTableSize, typeLPathTable, lTypeMPathTable,
rootDir.Record, lCreationDate.AsciiDateRecord, lModificationDate.AsciiDateRecord,
bufferDate.AsciiDateRecord, bufferDate.AsciiDateRecord );
}
private void SetVolumeDescriptor( byte[] systemId, byte[] volumeId, UInt64 volumeSpaceSize, UInt64 pathTableSize,
UInt32 typeLPathTable, UInt32 typeMPathTable, DirectoryRecord rootDirRecord,
AsciiDateRecord creationDate, AsciiDateRecord modificationDate,
AsciiDateRecord expirationDate, AsciiDateRecord effectiveDate ) {
if ( m_volumeDescriptor == null ) {
m_volumeDescriptor = new VolumeDescriptor();
}
m_volumeDescriptor.VolumeDescType = (byte)m_volumeDescriptorType;
systemId.CopyTo( m_volumeDescriptor.SystemId, 0 );
volumeId.CopyTo( m_volumeDescriptor.VolumeId, 0 );
m_volumeDescriptor.VolumeSpaceSize = volumeSpaceSize;
m_volumeDescriptor.PathTableSize = pathTableSize;
m_volumeDescriptor.TypeLPathTable = typeLPathTable;
m_volumeDescriptor.TypeMPathTable = typeMPathTable;
m_volumeDescriptor.RootDirRecord = rootDirRecord;
m_rootDirRecord = new DirectoryRecordWrapper( rootDirRecord );
m_volumeDescriptor.CreationDate = creationDate;
m_creationDate = new DateWrapper( creationDate );
m_volumeDescriptor.ModificationDate = modificationDate;
m_modificationDate = new DateWrapper( modificationDate );
m_volumeDescriptor.ExpirationDate = expirationDate;
m_expirationDate = new DateWrapper( expirationDate );
m_volumeDescriptor.EffectiveDate = effectiveDate;
m_effectiveDate = new DateWrapper( effectiveDate );
}
/// <summary>
/// Writes three volume descriptors speciffic to the ISO 9660 Joliet:
/// 1. Primary volume descriptor;
/// 2. Suplementary volume descriptor;
/// 3. Volume descriptor set terminator.
/// </summary>
/// <param name="writer">A binary writer to write the data.</param>
/// <param name="volumeName">A normal string representing the desired name of the volume.
/// (the maximum standard length for this string is 16 for Joliet, so if the name is larger
/// than 16 characters, it is truncated.)</param>
/// <param name="root">The root IsoDirectory, representing the root directory for the volume.</param>
/// <param name="volumeSpaceSize">The ISO total space size IN SECTORS.
/// (For example, if the ISO space size is 1,427,456 bytes, then the volumeSpaceSize will be 697)</param>
/// <param name="pathTableSize1">The first path table size (for the primary volume) IN BYTES.</param>
/// <param name="pathTableSize2">The second path table size (for the suplementary volume) IN BYTES.</param>
/// <param name="typeLPathTable1">The location (sector) of the first LITTLE ENDIAN path table.</param>
/// <param name="typeMPathTable1">The location (sector) of the first BIG ENDIAN path table.</param>
/// <param name="typeLPathTable2">The location (sector) of the second LITTLE ENDIAN path table.</param>
/// <param name="typeMPathTable2">The location (sector) of the second BIG ENDIAN path table.</param>
private void WriteVolumeDescriptors( BinaryWriter writer,
string volumeName,
IsoDirectory root,
UInt32 volumeSpaceSize,
UInt32 pathTableSize1, UInt32 pathTableSize2,
UInt32 typeLPathTable1, UInt32 typeMPathTable1,
UInt32 typeLPathTable2, UInt32 typeMPathTable2 ) {
// Throughout this program I have respected the convention of refering to the root as ".";
// However, one should not confuse the root with the current directory, also known as "." (along with the parent directory, "..").
// Primary Volume Descriptor:
// Create a Directory Record of the root and the volume descriptor.
DirectoryRecordWrapper rootRecord = new DirectoryRecordWrapper( root.Extent1, root.Size1, root.Date, root.IsDirectory, "." );
VolumeDescriptorWrapper volumeDescriptor = new VolumeDescriptorWrapper( volumeName, volumeSpaceSize, pathTableSize1, typeLPathTable1, typeMPathTable1, rootRecord, DateTime.Now, DateTime.Now, 8 );
volumeDescriptor.VolumeDescriptorType = VolumeType.Primary;
volumeDescriptor.Write( writer );
// Suplementary volume descriptor:
rootRecord = new DirectoryRecordWrapper( root.Extent2, root.Size2, root.Date, root.IsDirectory, "." );
volumeDescriptor = new VolumeDescriptorWrapper( volumeName, volumeSpaceSize, pathTableSize2, typeLPathTable2, typeMPathTable2, rootRecord, DateTime.Now, DateTime.Now, 8 );
volumeDescriptor.VolumeDescriptorType = VolumeType.Suplementary;
volumeDescriptor.Write( writer );
// Volume descriptor set terminator:
volumeDescriptor.VolumeDescriptorType = VolumeType.SetTerminator;
volumeDescriptor.Write( writer );
}
public void WriteDemoImage( BinaryWriter writer ) {
int currentSector;
for ( currentSector=0; currentSector<16; currentSector++ ) {
IsoAlgorithm.WriteEmptySector( writer );
}
DirectoryRecordWrapper rootDir = new DirectoryRecordWrapper( 19, IsoAlgorithm.SectorSize, DateTime.Now, true, "." );
VolumeDescriptorWrapper volumeDescriptor = new VolumeDescriptorWrapper( "EPURASU", 28, 26, 21, 22, rootDir, DateTime.Now, DateTime.Now.Subtract( TimeSpan.FromDays( 2 ) ), 8 );
//rootDir.SetDirectoryRecord( 19, ISO9660.SectorSize, DateTime.Now, true, "." );
// [ Sect 16 ] Primary volume descriptor
volumeDescriptor.VolumeDescriptorType = VolumeType.Primary;
// volumeDescriptor.SetVolumeDescriptor( "EPURASU", 28, 26, 21, 22, rootDir, DateTime.Now, DateTime.Now.Subtract( TimeSpan.FromDays( 2 ) ), 8 );
volumeDescriptor.Write( writer );
// [ Sect 17 ] Suplementary volume descriptor (in care scriem cu unicode)
rootDir.SetDirectoryRecord( 23, IsoAlgorithm.SectorSize, DateTime.Now, true, "." );
volumeDescriptor.VolumeDescriptorType = VolumeType.Suplementary;
volumeDescriptor.SetVolumeDescriptor( "Epurasu", 28, 38, 25, 26, rootDir, DateTime.Now, DateTime.Now.Subtract( TimeSpan.FromDays( 2 ) ), 8 );
volumeDescriptor.Write( writer );
// [ Sect 18 ] Volume descriptor set termnator
volumeDescriptor.VolumeDescriptorType = VolumeType.SetTerminator;
volumeDescriptor.Write( writer );
// [ Sect 19 ] Continutul directorului radacina:
// Directorul curent: "."
rootDir.SetDirectoryRecord( 19, IsoAlgorithm.SectorSize, DateTime.Now, true, "." );
rootDir.Write( writer );
// Directorul parinte: "..". Fiind vorba de radacina, directorul parinte e o referinta la directorul curent.
rootDir.SetDirectoryRecord( 19, IsoAlgorithm.SectorSize, DateTime.Now, true, ".." );
rootDir.Write( writer );
// Director copil: "Director"
DirectoryRecordWrapper childDir = new DirectoryRecordWrapper( 20, IsoAlgorithm.SectorSize, DateTime.Now, true, "DIRECTOR" );
//childDir.SetDirectoryRecord( 20, ISO9660.SectorSize, DateTime.Now, true, "DIRECTOR" );
int bytesWritten = childDir.Write( writer );
writer.Write( new byte[2048 - 34 - 34 - bytesWritten] );
// [ Sect 20 ] Continutul directorului "Director"
childDir.SetDirectoryRecord( 20, IsoAlgorithm.SectorSize, DateTime.Now, true, "." );
childDir.Write( writer );
childDir.SetDirectoryRecord( 19, IsoAlgorithm.SectorSize, DateTime.Now, true, ".." );
childDir.Write( writer );
childDir.SetDirectoryRecord( 27, 45, DateTime.Now, false, "NUMELEFI.TXT" );
bytesWritten = childDir.Write( writer );
writer.Write( new byte[2048 - 34 - 34 - bytesWritten] );
// [ Sect 21 ] Pathtable pt little endian
// Root:
PathTableRecordWrapper record = new PathTableRecordWrapper();
record.Endian = Endian.LittleEndian;
record.SetPathTableRecord( 19, 1, "." );
bytesWritten = record.Write( writer );
// "Director":
record.SetPathTableRecord( 20, 1, "DIRECTOR" );
bytesWritten += record.Write( writer );
writer.Write( new byte[2048 - bytesWritten] );
// [ Sect 22 ] Pathtable pt big endian
// Root:
record = new PathTableRecordWrapper();
record.Endian = Endian.BigEndian;
record.SetPathTableRecord( 19, 1, "." );
record.Write( writer );
// "Director":
record.SetPathTableRecord( 20, 1, "DIRECTOR" );
record.Write( writer );
writer.Write( new byte[2048 - bytesWritten] );
// [ Sect 23 ] Continutul directorului radacina:
rootDir.VolumeDescriptorType = VolumeType.Suplementary;
// Directorul curent: "."
rootDir.SetDirectoryRecord( 23, IsoAlgorithm.SectorSize, DateTime.Now, true, "." );
rootDir.Write( writer );
// Directorul parinte: "..". Fiind vorba de radacina, directorul parinte e o referinta la directorul curent.
rootDir.SetDirectoryRecord( 23, IsoAlgorithm.SectorSize, DateTime.Now, true, ".." );
rootDir.Write( writer );
// Director copil: "Director"
childDir = new DirectoryRecordWrapper( 24, IsoAlgorithm.SectorSize, DateTime.Now, true, "Directorul" );
//childDir.SetDirectoryRecord( 24, ISO9660.SectorSize, DateTime.Now, true, "Directorul" );
childDir.VolumeDescriptorType = VolumeType.Suplementary;
bytesWritten = childDir.Write( writer );
writer.Write( new byte[2048 - 34 - 34 - bytesWritten] );
// [ Sect 24 ] Continutul directorului "Director"
childDir.SetDirectoryRecord( 24, IsoAlgorithm.SectorSize, DateTime.Now, true, "." );
childDir.Write( writer );
childDir.SetDirectoryRecord( 23, IsoAlgorithm.SectorSize, DateTime.Now, true, ".." );
childDir.Write( writer );
childDir.SetDirectoryRecord( 27, 45, DateTime.Now, false, "numeleFisierului.txt" );
bytesWritten = childDir.Write( writer );
writer.Write( new byte[2048 - 34 - 34 - bytesWritten] );
// [ Sect 25 ] Pathtable pt little endian
// Root:
record = new PathTableRecordWrapper();
record.Endian = Endian.LittleEndian;
record.VolumeDescriptorType = VolumeType.Suplementary;
record.SetPathTableRecord( 23, 1, "." );
bytesWritten = record.Write( writer );
// "Director":
record.SetPathTableRecord( 24, 1, "Directorul" );
bytesWritten += record.Write( writer );
writer.Write( new byte[2048 - bytesWritten] );
// [ Sect 26 ] Pathtable pt big endian
// Root:
record = new PathTableRecordWrapper();
record.Endian = Endian.BigEndian;
record.VolumeDescriptorType = VolumeType.Suplementary;
record.SetPathTableRecord( 23, 1, "." );
record.Write( writer );
// "Director":
record.SetPathTableRecord( 24, 1, "Directorul" );
record.Write( writer );
writer.Write( new byte[2048 - bytesWritten] );
// [ Sect 27 ] Continutul fisierului (45 B):
writer.Write( IsoAlgorithm.StringToByteArray( "Catelus cu parul cretz fura ratza din cotetz." ) );
writer.Write( new byte[2048-45] );
}
