void Initialize()
{
int hddNumber = ...;
int partitionAddress = ...;
string hardDriveName = "\\\\.\\PHYSICALDRIVE" + hddNumber;
diskFile = new UnmanagedFile(hardDriveName);
bytesPerSector = GetBytesPerSector();
bitsPerSector = GetBitsNumber(bytesPerSector);
diskFile.MovePointer(partitionAddress << bitsPerSector,
partitionAddress >> (32 - bitsPerSector));
byte[] fatInfo = diskFile.ReadFile(bytesPerSector);
fatCopiesNumber = fatInfo.AsWord(16);
fatSize = fatInfo.AsWord(22);
reservedAreaSize = fatInfo.AsWord(14);
sectorsPerCluster = fatInfo.AsByte(13);
fatAddress = reservedAreaSize;
rootDirectoryEntities = fatInfo.AsWord(17);
rootDirectorySector = reservedAreaSize + (fatCopiesNumber * fatSize);
bytesPerCluster = bytesPerSector * sectorsPerCluster;
fatContentSize = (uint)(fatSize * bytesPerSector);
fatContent = LoadFatContent();
contents = LoadCurrentDirectoryObjects().ToList();
}
public HardDriveInfo(int hddNumber)
{
_number = hddNumber;
_sectorSize = 0;
_extendedAreaAddress = 0;
string hardDriveName = "\\\\.\\PHYSICALDRIVE" + hddNumber;
try
{
_handle = new UnmanagedFile(hardDriveName);
byte[] mbr = ReadMbr();
if (mbr.AsWord(0x01fe) != 0xAA55)
{
throw new ErrorException("Partition is broken or not valid.");
}
var partitions = GetHddPartitions(mbr);
if (_extendedAreaAddress != 0)
{
int ext = _extendedAreaAddress;
_extendedAreaAddress = 0;
while (true)
{
int nextMbrAddress = ext + _extendedAreaAddress;
_handle.MovePointer(nextMbrAddress << _bitsPerSector, nextMbrAddress >> (32 - _bitsPerSector));
mbr = ReadMbr();
if (mbr.AsWord(0x01fe) != 0xAA55)
{
throw new ErrorException("Partition is broken or not valid.");
}
partitions.Concat(GetHddPartitions(mbr, nextMbrAddress));
if (_extendedAreaAddress == 0)
{
break;
}
}
}
Partitions = partitions;
}
catch (System.IO.FileNotFoundException)
{
Partitions = null;
}
}
private byte[] GetDiskSn(int absoluteAddress, int id)
{
_handle.MovePointer(absoluteAddress << _bitsPerSector,
absoluteAddress >> (32 - _bitsPerSector));
byte[] buffer = ReadMbr();
switch (id)
{
case 0x07:
{
return(Enumerable.Range(72, 8).
Select(i => buffer.AsByte(i)).
ToArray());
}
case 0x0e:
case 0x0c:
case 0x0b:
{
return(Enumerable.Range(67, 4).
Select(i => buffer.AsByte(i)).
ToArray());
}
case 0x01:
case 0x04:
case 0x06:
case 0x0d:
{
return(Enumerable.Range(39, 4).
Select(i => buffer.AsByte(i)).
ToArray());
}
default:
{
return(null);
}
}
}
byte[] LoadFatContent()
{
diskFile.MovePointer(fatAddress << bitsPerSector);
return(diskFile.ReadFile(fatContentSize));
}
void Initialize()
{
int hddNumber = ...;
int partitionAddress = ...;
string hardDriveName = "\\\\.\\PHYSICALDRIVE" + hddNumber;
diskFile = new UnmanagedFile(hardDriveName);
bytesPerSector = GetBytesPerSector();
bitsPerSector = GetBitsNumber(bytesPerSector);
diskFile.MovePointer(partitionAddress << bitsPerSector,
partitionAddress >> (32 - bitsPerSector));
byte[] fatInfo = diskFile.ReadFile(bytesPerSector);
fatCopiesNumber = fatInfo.AsWord(16);
fatSize = fatInfo.AsWord(22);
reservedAreaSize = fatInfo.AsWord(14);
sectorsPerCluster = fatInfo.AsByte(13);
fatAddress = reservedAreaSize;
rootDirectoryEntities = fatInfo.AsWord(17);
rootDirectorySector = reservedAreaSize + (fatCopiesNumber * fatSize);
bytesPerCluster = bytesPerSector * sectorsPerCluster;
fatContentSize = (uint)(fatSize * bytesPerSector);
fatContent = LoadFatContent();
contents = LoadCurrentDirectoryObjects().ToList();
}