/// <summary>
/// Read block header.
/// </summary>
protected void ReadData(CBackupStream Reader)
{
StartPosition = Reader.BaseStream.Position;
Streams = new System.Collections.Generic.List <CDataStream>();
BlockType = (EBlockType)Reader.ReadUInt32();
Attributes = (EBlockAttributes)Reader.ReadUInt32();
OffsetToFirstEvent = Reader.ReadUInt16();
OSID = (EOSID)Reader.ReadByte();
OSVersion = Reader.ReadByte();
DisplayableSize = Reader.ReadUInt64();
FormatLogicalAddress = Reader.ReadUInt64();
ReservedMBC = Reader.ReadUInt16();
Reserved1 = Reader.ReadUInt16();
Reserved2 = Reader.ReadUInt16();
Reserved3 = Reader.ReadUInt16();
ControlBlock = Reader.ReadUInt32();
Reserved4 = Reader.ReadUInt32();
OsSpecificData = Reader.ReadOsSpecificData(StartPosition, OSID, OSVersion, BlockType);
StringType = (EStringType)Reader.ReadByte();
Reserved5 = Reader.ReadByte();
HeaderChecksum = Reader.ReadUInt16();
}
/// <summary>
/// Reads OS specific data. It is assumed that a MTF_MEDIA_ADDRESS structure is next in the stream.
/// </summary>
public COSSpecificData ReadOsSpecificData(long StartPosition, EOSID OSID, byte OSVersion, EBlockType Type)
{
long oldpos = BaseStream.Position;
ushort sz = ReadUInt16();
ushort off = ReadUInt16();
BaseStream.Seek(StartPosition + off, System.IO.SeekOrigin.Begin);
if ((OSID == EOSID.NetWare) && (OSVersion == 0))
{
if (Type == EBlockType.MTF_DIRB)
{
return(new CNetwareDirB(this));
}
if (Type == EBlockType.MTF_FILE)
{
return(new CNetwareFile(this));
}
}
if ((OSID == EOSID.NetWare_SMS) && (OSVersion == 1))
{
if (Type == EBlockType.MTF_DIRB)
{
return(new CNetwareSMSDirB(this));
}
if (Type == EBlockType.MTF_FILE)
{
return(new CNetwareSMSFile(this));
}
}
if ((OSID == EOSID.NetWare_SMS) && (OSVersion == 2))
{
if (Type == EBlockType.MTF_DIRB)
{
return(new CNetwareSMEDirB(this));
}
if (Type == EBlockType.MTF_FILE)
{
return(new CNetwareSMEFile(this));
}
}
if ((OSID == EOSID.Windows_NT) && (OSVersion == 0))
{
if (Type == EBlockType.MTF_DIRB)
{
return(new CWindowsNT0DirB(this));
}
if (Type == EBlockType.MTF_FILE)
{
return(new CWindowsNT0File(this));
}
}
if ((OSID == EOSID.Windows_NT) && (OSVersion == 1))
{
if (Type == EBlockType.MTF_VOLB)
{
return(new CWindowsNT1VolB(this));
}
if (Type == EBlockType.MTF_DIRB)
{
return(new CWindowsNT1DirB(this));
}
if (Type == EBlockType.MTF_FILE)
{
return(new CWindowsNT1File(this));
}
}
if ((OSID == EOSID.OS_2) && (OSVersion == 0))
{
if (Type == EBlockType.MTF_DIRB)
{
return(new COS2DirB(this));
}
if (Type == EBlockType.MTF_FILE)
{
return(new COS2File(this));
}
}
if ((OSID == EOSID.Windows_95) && (OSVersion == 0))
{
if (Type == EBlockType.MTF_DIRB)
{
return(new CWindows95DirB(this));
}
if (Type == EBlockType.MTF_FILE)
{
return(new CWindows95File(this));
}
}
if ((OSID == EOSID.Macintosh) && (OSVersion == 0))
{
if (Type == EBlockType.MTF_VOLB)
{
return(new CMacintoshVolB(this));
}
if (Type == EBlockType.MTF_DIRB)
{
return(new CMacintoshDirB(this));
}
if (Type == EBlockType.MTF_FILE)
{
return(new CMacintoshFile(this));
}
}
BaseStream.Seek(oldpos + 4, System.IO.SeekOrigin.Begin);
return(new COSSpecificData());
}
/// <summary>
/// Read block header.
/// </summary>
protected void ReadData(CBackupStream Reader)
{
StartPosition = Reader.BaseStream.Position;
Streams = new System.Collections.Generic.List<CDataStream>();
BlockType = (EBlockType)Reader.ReadUInt32();
Attributes = (EBlockAttributes)Reader.ReadUInt32();
OffsetToFirstEvent = Reader.ReadUInt16();
OSID = (EOSID)Reader.ReadByte();
OSVersion = Reader.ReadByte();
DisplayableSize = Reader.ReadUInt64();
FormatLogicalAddress = Reader.ReadUInt64();
ReservedMBC = Reader.ReadUInt16();
Reserved1 = Reader.ReadUInt16();
Reserved2 = Reader.ReadUInt16();
Reserved3 = Reader.ReadUInt16();
ControlBlock = Reader.ReadUInt32();
Reserved4 = Reader.ReadUInt32();
OsSpecificData = Reader.ReadOsSpecificData(StartPosition, OSID, OSVersion, BlockType);
StringType = (EStringType)Reader.ReadByte();
Reserved5 = Reader.ReadByte();
HeaderChecksum = Reader.ReadUInt16();
}
/// <summary>
/// Reads OS specific data. It is assumed that a MTF_MEDIA_ADDRESS structure is next in the stream.
/// </summary>
public COSSpecificData ReadOsSpecificData(long StartPosition, EOSID OSID, byte OSVersion, EBlockType Type)
{
long oldpos = BaseStream.Position;
ushort sz = ReadUInt16();
ushort off = ReadUInt16();
BaseStream.Seek(StartPosition + off, System.IO.SeekOrigin.Begin);
if ((OSID == EOSID.NetWare) && (OSVersion == 0))
{
if (Type == EBlockType.MTF_DIRB) return new CNetwareDirB(this);
if (Type == EBlockType.MTF_FILE) return new CNetwareFile(this);
}
if ((OSID == EOSID.NetWare_SMS) && (OSVersion == 1))
{
if (Type == EBlockType.MTF_DIRB) return new CNetwareSMSDirB(this);
if (Type == EBlockType.MTF_FILE) return new CNetwareSMSFile(this);
}
if ((OSID == EOSID.NetWare_SMS) && (OSVersion == 2))
{
if (Type == EBlockType.MTF_DIRB) return new CNetwareSMEDirB(this);
if (Type == EBlockType.MTF_FILE) return new CNetwareSMEFile(this);
}
if ((OSID == EOSID.Windows_NT) && (OSVersion == 0))
{
if (Type == EBlockType.MTF_DIRB) return new CWindowsNT0DirB(this);
if (Type == EBlockType.MTF_FILE) return new CWindowsNT0File(this);
}
if ((OSID == EOSID.Windows_NT) && (OSVersion == 1))
{
if (Type == EBlockType.MTF_VOLB) return new CWindowsNT1VolB(this);
if (Type == EBlockType.MTF_DIRB) return new CWindowsNT1DirB(this);
if (Type == EBlockType.MTF_FILE) return new CWindowsNT1File(this);
}
if ((OSID == EOSID.OS_2) && (OSVersion == 0))
{
if (Type == EBlockType.MTF_DIRB) return new COS2DirB(this);
if (Type == EBlockType.MTF_FILE) return new COS2File(this);
}
if ((OSID == EOSID.Windows_95) && (OSVersion == 0))
{
if (Type == EBlockType.MTF_DIRB) return new CWindows95DirB(this);
if (Type == EBlockType.MTF_FILE) return new CWindows95File(this);
}
if ((OSID == EOSID.Macintosh) && (OSVersion == 0))
{
if (Type == EBlockType.MTF_VOLB) return new CMacintoshVolB(this);
if (Type == EBlockType.MTF_DIRB) return new CMacintoshDirB(this);
if (Type == EBlockType.MTF_FILE) return new CMacintoshFile(this);
}
BaseStream.Seek(oldpos + 4, System.IO.SeekOrigin.Begin);
return new COSSpecificData();
}