Ejemplo n.º 1
0
        private static uint GetDiskExtents(char cDrive)
        {
            if (new DriveInfo(cDrive.ToString((IFormatProvider)CultureInfo.InvariantCulture)).DriveType != DriveType.Fixed)
            {
                Logger.Info(string.Format("The drive {0} is not fixed drive.", (object)cDrive));
            }
            string         lpFileName = "\\\\.\\" + cDrive.ToString((IFormatProvider)CultureInfo.InvariantCulture) + ":";
            SafeFileHandle fileW      = SSDCheck.CreateFileW(lpFileName, 0U, 3U, IntPtr.Zero, 3U, 128U, IntPtr.Zero);

            if (fileW == null || fileW.IsInvalid)
            {
                string errorMessage = SSDCheck.GetErrorMessage(Marshal.GetLastWin32Error());
                Logger.Error("CreateFile failed for " + lpFileName + ".  " + errorMessage);
                throw new Exception("check the error message above");
            }
            uint dwIoControlCode = SSDCheck.CTL_CODE(86U, 0U, 0U, 0U);

            SSDCheck.VOLUME_DISK_EXTENTS lpOutBuffer = new SSDCheck.VOLUME_DISK_EXTENTS();
            int num = SSDCheck.DeviceIoControl(fileW, dwIoControlCode, IntPtr.Zero, 0U, ref lpOutBuffer, (uint)Marshal.SizeOf((object)lpOutBuffer), out uint _, IntPtr.Zero) ? 1 : 0;

            fileW?.Close();
            if (num == 0 || lpOutBuffer.Extents.Length != 1)
            {
                Logger.Error("DeviceIoControl failed to query disk extension. " + SSDCheck.GetErrorMessage(Marshal.GetLastWin32Error()));
                throw new Exception("check the error message above");
            }
            uint diskNumber = lpOutBuffer.Extents[0].DiskNumber;

            Logger.Info(string.Format("The physical drive number is: {0}", (object)diskNumber));
            return(diskNumber);
        }
Ejemplo n.º 2
0
 private static extern bool DeviceIoControl(
     SafeFileHandle hDevice,
     uint dwIoControlCode,
     IntPtr lpInBuffer,
     uint nInBufferSize,
     ref SSDCheck.VOLUME_DISK_EXTENTS lpOutBuffer,
     uint nOutBufferSize,
     out uint lpBytesReturned,
     IntPtr lpOverlapped);