public static void PresentResult(RawDisk disk)
{
byte[] data = disk.ReadClusters(0, (int)Math.Min(disk.ClusterCount, ClustersToRead));
string fatType = Encoding.ASCII.GetString(data, 82, 8); // Extended FAT parameters have a display name here.
bool isFat = fatType.StartsWith("FAT");
bool isNTFS = Encoding.ASCII.GetString(data, 3, 4) == "NTFS";
// Optimization, if it's a known FS, we know it's not all zeroes.
bool allZero = (!isNTFS || !isFat) && data.All(s => s == 0);
Console.WriteLine("Size in bytes : {0:N0}", disk.SizeBytes);
Console.WriteLine("Sectors : {0:N0}", disk.ClusterCount);
Console.WriteLine("SectorSize : {0:N0}", disk.SectorSize);
Console.WriteLine("ClusterCount : {0:N0}", disk.ClusterCount);
Console.WriteLine("ClusterSize : {0:N0}", disk.ClusterSize);
if (!isFat && !isNTFS)
Console.ForegroundColor = ConsoleColor.Red;
if (isNTFS)
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Is NTFS : {0}", isNTFS);
Console.ForegroundColor = DefaultColor;
if (!isFat && !isNTFS)
Console.ForegroundColor = ConsoleColor.Red;
if (isFat)
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Is FAT : {0}", isFat ? fatType : "False");
Console.ForegroundColor = DefaultColor;
if (!allZero)
Console.ForegroundColor = ConsoleColor.Green;
else
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("All bytes zero: {0}", allZero);
Console.ForegroundColor = DefaultColor;
}
public static void CopyFile(string sourceFile, string dstFile)
{
// FileAttributes 0x20000000L = FILE_FLAG_NO_BUFFERING
SafeFileHandle fileHandle = Win32Helper.CreateFile(sourceFile, (FileAccess)Program.FILE_READ_ATTRIBUTES, FileShare.ReadWrite, IntPtr.Zero, FileMode.Open, FileAttributes.Normal | (FileAttributes)0x20000000L, IntPtr.Zero);
if (fileHandle.IsInvalid)
throw new ArgumentException("Invalid file: " + sourceFile);
//var driveWrapper = new DeviceIOControlWrapper(driveHandle);
FilesystemDeviceWrapper fileWrapper = new FilesystemDeviceWrapper(fileHandle);
FileExtentInfo[] extents = fileWrapper.FileSystemGetRetrievalPointers();
decimal totalSize = extents.Sum(s => (decimal)s.Size);
decimal copiedBytes = 0;
using (RawDisk disk = new RawDisk(char.ToUpper(sourceFile[0])))
{
// Write to the source file
using (FileStream fs = new FileStream(dstFile, FileMode.Create))
{
// Copy all extents
foreach (FileExtentInfo fileExtentInfo in extents)
{
// Copy chunks of data
for (ulong offset = 0; offset < fileExtentInfo.Size; offset += 10000)
{
int currentSizeBytes = (int)Math.Min(10000, fileExtentInfo.Size - offset);
byte[] data = disk.ReadClusters((long)(fileExtentInfo.Lcn + offset), currentSizeBytes);
fs.Write(data, 0, data.Length);
copiedBytes += currentSizeBytes;
}
}
}
}
Debug.Assert(copiedBytes == totalSize);
}
public override void Execute()
{
IEnumerable<char> volumeDrives = Utils.GetAllAvailableVolumes();
IEnumerable<int> harddiskVolumes = Utils.GetAllAvailableDrives(DiskNumberType.Volume);
Console.WriteLine("You need to enter a volume on which to write and read. Note that this volume will be useless afterwards - do not chose anything by test volumes!");
Console.WriteLine("Select volume:");
List<int> options = new List<int>();
foreach (int harddiskVolume in harddiskVolumes)
{
try
{
using (RawDisk disk = new RawDisk(DiskNumberType.Volume, harddiskVolume))
{
char[] driveLetters = DiskHelper.GetDriveLetters(disk.DosDeviceName.Remove(0, @"\\.\GLOBALROOT".Length)).Where(volumeDrives.Contains).ToArray();
Console.WriteLine(" {0:N0}: {1:N0} Bytes, Drive Letters: {2}", harddiskVolume, disk.SizeBytes, string.Join(", ", driveLetters));
options.Add(harddiskVolume);
}
}
catch (Exception)
{
// Don't write it
}
}
string vol;
int selectedVol;
do
{
Console.WriteLine("Enter #:");
vol = Console.ReadLine();
} while (!(int.TryParse(vol, out selectedVol) && options.Contains(selectedVol)));
Console.WriteLine("Selected " + selectedVol + ".");
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Are you sure? Type YES.");
Console.ForegroundColor = ExampleUtilities.DefaultColor;
bool allSuccess = false;
string confirm = Console.ReadLine();
if (confirm == "YES")
{
Console.WriteLine("Confirmed - starting");
using (RawDisk disk = new RawDisk(DiskNumberType.Volume, selectedVol, FileAccess.ReadWrite))
{
long chunks = disk.ClusterCount / ExampleUtilities.ClustersToRead;
Console.WriteLine("Disk {0} is {1:N0} Bytes large.", disk.DosDeviceName, disk.SizeBytes);
Console.WriteLine("Beginning random write in {0:N0} cluster chunks of {1:N0} Bytes each", ExampleUtilities.ClustersToRead, disk.ClusterSize);
Console.WriteLine(" # of chunks: {0:N0}", chunks);
byte[] chunkData = new byte[disk.ClusterSize * ExampleUtilities.ClustersToRead];
byte[] readData = new byte[disk.ClusterSize * ExampleUtilities.ClustersToRead];
Random rand = new Random();
StringBuilder blankLineBuilder = new StringBuilder(Console.BufferWidth);
for (int i = 0; i < Console.BufferWidth; i++)
blankLineBuilder.Append(' ');
string blankLine = blankLineBuilder.ToString();
allSuccess = true;
for (int chunk = 0; chunk < chunks; chunk++)
{
rand.NextBytes(chunkData);
Console.Write("Chunk #{0}: ", chunk);
try
{
// Write
Console.Write("Writing ... ");
disk.WriteClusters(chunkData, chunk * ExampleUtilities.ClustersToRead);
// Read
Console.Write("Reading ... ");
disk.ReadClusters(readData, 0, chunk * ExampleUtilities.ClustersToRead, (int)ExampleUtilities.ClustersToRead);
// Check
if (chunkData.SequenceEqual(readData))
{
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Confirmed!");
Console.ForegroundColor = ExampleUtilities.DefaultColor;
}
else
{
allSuccess = false;
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Failed!");
Console.ForegroundColor = ExampleUtilities.DefaultColor;
Console.WriteLine("Presse enter to proceed.");
Console.ReadLine();
}
}
catch (Exception ex)
{
allSuccess = false;
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Error: " + ex.Message);
Console.ForegroundColor = ExampleUtilities.DefaultColor;
Console.WriteLine("Presse enter to proceed.");
Console.ReadLine();
Console.CursorTop--;
}
Console.CursorTop--;
Console.CursorLeft = 0;
Console.Write(blankLine);
Console.CursorTop--;
Console.CursorLeft = 0;
}
}
}
else
{
Console.WriteLine("Aborted");
}
if (allSuccess)
{
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("All chunks were able to write and read successfully.");
Console.ForegroundColor = ExampleUtilities.DefaultColor;
}
else
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Some chunks were unable to be read correctly.");
Console.ForegroundColor = ExampleUtilities.DefaultColor;
}
}