} /* GetListOfSipperFilesFromLogFiles */
private void WriteSipperPartitionSector(SipperPartitionSector partitionSector)
{
Int64 sipperPartitionSectorOffset = mbr.GetPartitionSectorByteOffset(Constants.SIPPER_PARTITION);
fs.Seek(sipperPartitionSectorOffset, SeekOrigin.Begin);
partitionSector.Write(fs);
} /* WriteSipperPartitionSector */
} /* WriteSipperPartitionSector */
private void ReadSipperPartitionSector()
{
Int64 sipperPartitionSectorOffset = mbr.GetPartitionSectorByteOffset(Constants.SIPPER_PARTITION);
fs.Seek(sipperPartitionSectorOffset, SeekOrigin.Begin);
sipperPartitionSector = SipperPartitionSector.CreateFromFileStream(fs);
return;
} /* ReadSipperPartitionSector */
public bool Equals(SipperPartitionSector other)
{
if ((totalSectors != other.TotalSectors) ||
(fileDataSector != other.fileDataSector) ||
(endSector != other.endSector) ||
(nextFcbSector != other.nextFcbSector) ||
(nextFileHandle != other.nextFileHandle)
)
{
return(false);
}
else
{
return(true);
}
}
} /* ResetSipperDirectory */
//***********************************************************************************
//* Determines if the same disk drive is attached. *
//***********************************************************************************
public bool AreWeTheSameDrive()
{
if ((sipperPartitionSector == null) || (origFirstFileControlBlock == null))
{
return(false);
}
// For now we will always return true;
return(true);
BlockStart();
long lastFsPosition = 0;
bool diskFileWasAlreadyOpened = false;
if (fs != null)
{
diskFileWasAlreadyOpened = true;
lastFsPosition = fs.Position;
}
if ((!diskFileWasAlreadyOpened) && (openedSipperFiles != null) && (openedSipperFiles.Count == 0))
{
// We will only reopen the Disk handle if no SIPPER files are open.
try
{
ReOpen(false);
}
catch (Exception)
{
BlockEnd();
return(false);
}
}
bool weAreTheSameHardDrive = false;
Int64 sipperPartitionSectorOffset = mbr.GetPartitionSectorByteOffset(Constants.SIPPER_PARTITION);
fs.Seek(sipperPartitionSectorOffset, SeekOrigin.Begin);
SipperPartitionSector currentSipperPartitionSector = SipperPartitionSector.CreateFromFileStream(fs);
if (sipperPartitionSector.Equals(currentSipperPartitionSector))
{
SipperFileControlBlock firstFileControlBlock = SipperFileControlBlock.CreateFromFileStream(fs);
if (firstFileControlBlock.Equals(origFirstFileControlBlock))
{
weAreTheSameHardDrive = true;
}
}
if (diskFileWasAlreadyOpened)
{
fs.Seek(lastFsPosition, SeekOrigin.Begin);
}
else
{
CloseHandleToPhysicalDisk();
}
BlockEnd();
return(weAreTheSameHardDrive);
}
} /* GetPartitionSectorByteOffset */
public Int64 GetSipperDirectoryByteOffset()
{
Int64 sipperDirectoryByteOffset = 0;
sipperDirectoryByteOffset = relativeSector * Constants.LOGICAL_BLOCK_SIZE + SipperPartitionSector.BuffSpaceNeeded();
return(sipperDirectoryByteOffset);
} /* GetSipperDirectoryByteOffset */
