public DiskReader(DiskInfo diskInfo)
{
_diskInfo = diskInfo;
_volumeHandles = new Stack <SafeFileHandle>(_diskInfo.Drives?.Length ?? 0);
OpenVolumes();
_deviceHandle = DiskUtils.GetDeviceHandle(diskInfo.DiskNumber);
_stream = new FileStream(_deviceHandle, FileAccess.Read, CommonSizes._128K, false);
_disposed = false;
_closed = false;
_totalRead = 0;
}
public static DiskInfo[] GetDisks(DriveInfo[] drives, bool onlyRemovable = true, bool onlyReady = true)
{
var diskInformation = new Dictionary <ushort, DiskInfo>();
foreach (var drive in drives)
{
if (onlyReady && !drive.IsReady)
{
continue;
}
if (onlyRemovable && drive.DriveType != DriveType.Removable)
{
continue;
}
var diskNumbers = DiskUtils.GetPhysicalDiskNumbersFromDrive(drive.RootDirectory.Name);
foreach (var diskNumber in diskNumbers)
{
DiskInfo diskInfo;
if (!diskInformation.TryGetValue(diskNumber, out diskInfo))
{
diskInfo = new DiskInfo()
{
DiskNumber = diskNumber,
Drives = new DriveInfo[0]
};
diskInformation.Add(diskNumber, diskInfo);
}
diskInfo.Drives = Utils.Add <DriveInfo>(diskInfo.Drives, drive)
.OrderBy(_ => _.Name)
.ToArray();
}
}
foreach (var kvp in diskInformation)
{
kvp.Value.Size = DiskUtils.GetPhysicalDiskSize(kvp.Key);
kvp.Value.SectorSize = DiskUtils.GetPhysicalDiskSectorSize(kvp.Key);
kvp.Value.SectorCount = DiskUtils.GetPhysicalDiskSectorCount(kvp.Key);
}
var results = diskInformation.Values.OrderBy(_ => _.DiskNumber)
.ToArray();
return(results);
}
private void OnDeviceAddRemove(object sender, DriveDetectorEventArgs e)
{
_disks = DiskInfo.GetDisks();
ddlDevice.Items.Clear();
foreach (var disk in _disks)
{
ddlDevice.Items.Add(disk);
if (_selectedDisk != null && _selectedDisk.DiskNumber == disk.DiskNumber)
{
ddlDevice.SelectedItem = disk;
}
}
}
public MainForm()
{
InitializeComponent();
_driveDetector = new DriveDetector();
_disks = DiskInfo.GetDisks();
_cts = null;
_selectedDisk = null;
_imageFilename = string.Empty;
_hashFilename = string.Empty;
_started = 0;
_total = 0;
_totalWrite = 0;
_writeRate = 0;
Disposed += OnDisposed;
_driveDetector.DeviceArrived += OnDeviceAddRemove;
_driveDetector.DeviceRemoved += OnDeviceAddRemove;
}
private async void btnWrite_Click(object sender, EventArgs e)
{
if (MessageBox.Show("This operation will overwrite any existing data on the selected physical disk. Are you sure you want to continue?", "Confirm Write", MessageBoxButtons.YesNo, MessageBoxIcon.Question) != DialogResult.Yes)
{
return;
}
timer.Stop();
processTimer.Start();
gbxImage.Enabled = false;
gbxDisk.Enabled = false;
gbxHash.Enabled = false;
gbxProgress.Enabled = true;
btnWrite.Enabled = false;
btnCancel.Enabled = true;
_cts = new CancellationTokenSource();
_selectedDisk = (DiskInfo)ddlDevice.SelectedItem;
_imageFilename = txtFilename.Text;
_hashFilename = txtHash.Text;
Interlocked.Exchange(ref _started, DateTime.UtcNow.Ticks);
try
{
if (!string.IsNullOrWhiteSpace(txtHash.Text) && File.Exists(txtHash.Text))
{
if (!await ValidateHashAsync())
{
return;
}
await Task.Delay(1000); // Lets the progress get to 100%
}
if (!await WriteImageFileAsync())
{
return;
}
await Task.Delay(1000); // Lets the progress get to 100%
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Disk Image Writer Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
#if DEBUG
throw; // When debugging re-throw for the debugger
#endif
}
finally
{
_cts.Dispose(() => _cts = null);
gbxImage.Enabled = true;
gbxDisk.Enabled = true;
gbxHash.Enabled = true;
gbxProgress.Enabled = false;
lblTimeTakenValue.Text = string.Empty;
lblPercentCompleteValue.Text = string.Empty;
lblSpeedValue.Text = string.Empty;
lblStatus.Text = string.Empty;
progressBar.Value = 0;
processTimer.Stop();
timer.Start();
}
}
private async void btnCreate_Click(object sender, EventArgs e)
{
timer.Stop();
processTimer.Start();
gbxDisk.Enabled = false;
gbxImage.Enabled = false;
gbxOptions.Enabled = false;
gbxProgress.Enabled = true;
btnCreate.Enabled = false;
btnCancel.Enabled = true;
_cts = new CancellationTokenSource();
_selectedDisk = (DiskInfo)ddlDevice.SelectedItem;
_imageFilename = txtFilename.Text;
_hashFilename = string.Empty;
_hash = ddlHash.SelectedItem.ToString();
_compression = ddlCompression.SelectedItem.ToString();
Interlocked.Exchange(ref _started, DateTime.UtcNow.Ticks);
try
{
await CreateImageFileAsync();
await CreateHashFileAsync();
}
catch (Exception ex)
{
if (File.Exists(_imageFilename))
{
File.Delete(_imageFilename);
}
if (!string.IsNullOrWhiteSpace(_hashFilename) && File.Exists(_hashFilename))
{
File.Delete(_hashFilename);
}
MessageBox.Show(ex.Message, "Disk Image Reader Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
#if DEBUG
throw; // When debugging re-throw for the debugger
#endif
}
finally
{
_cts.Dispose(() => _cts = null);
gbxDisk.Enabled = true;
gbxImage.Enabled = true;
gbxOptions.Enabled = true;
gbxProgress.Enabled = false;
lblTimeTakenValue.Text = string.Empty;
lblPercentCompleteValue.Text = string.Empty;
lblSpeedValue.Text = string.Empty;
lblStatus.Text = string.Empty;
progressBar.Value = 0;
processTimer.Stop();
timer.Start();
}
}