void DoWork()
{
IOpticalMediaImage opticalMediaImage = inputFormat as IOpticalMediaImage;
bool formatHasTracks = false;
if (opticalMediaImage != null)
{
try { formatHasTracks = opticalMediaImage.Tracks?.Count > 0; }
catch { formatHasTracks = false; }
}
// Setup progress bars
Application.Instance.Invoke(() =>
{
stkProgress.Visible = true;
prgProgress.MaxValue = 1;
prgProgress2.MaxValue = (int)(inputFormat.Info.Sectors / SECTORS_TO_READ);
if (formatHasTracks && chkChecksumTracks.Checked == true && opticalMediaImage != null)
{
prgProgress.MaxValue += opticalMediaImage.Tracks.Count;
}
else
{
prgProgress.MaxValue = 2;
prgProgress2.Visible = false;
lblProgress2.Visible = false;
}
});
EnableChecksum enabledChecksums = new EnableChecksum();
if (chkAdler32.Checked == true)
{
enabledChecksums |= EnableChecksum.Adler32;
}
if (chkCrc16.Checked == true)
{
enabledChecksums |= EnableChecksum.Crc16;
}
if (chkCrc32.Checked == true)
{
enabledChecksums |= EnableChecksum.Crc32;
}
if (chkCrc64.Checked == true)
{
enabledChecksums |= EnableChecksum.Crc64;
}
if (chkMd5.Checked == true)
{
enabledChecksums |= EnableChecksum.Md5;
}
if (chkSha1.Checked == true)
{
enabledChecksums |= EnableChecksum.Sha1;
}
if (chkSha256.Checked == true)
{
enabledChecksums |= EnableChecksum.Sha256;
}
if (chkSha384.Checked == true)
{
enabledChecksums |= EnableChecksum.Sha384;
}
if (chkSha512.Checked == true)
{
enabledChecksums |= EnableChecksum.Sha512;
}
if (chkSpamsum.Checked == true)
{
enabledChecksums |= EnableChecksum.SpamSum;
}
if (chkFletcher16.Checked == true)
{
enabledChecksums |= EnableChecksum.Fletcher16;
}
if (chkFletcher32.Checked == true)
{
enabledChecksums |= EnableChecksum.Fletcher32;
}
Checksum mediaChecksum = null;
TreeGridItemCollection trackHashes = new TreeGridItemCollection();
TreeGridItemCollection mediaHashes = new TreeGridItemCollection();
if (opticalMediaImage != null)
{
try
{
Checksum trackChecksum = null;
if (chkChecksumMedia.Checked == true)
{
mediaChecksum = new Checksum(enabledChecksums);
}
ulong previousTrackEnd = 0;
foreach (Track currentTrack in opticalMediaImage.Tracks)
{
Application.Instance.Invoke(() =>
{
lblProgress.Text =
$"Hashing track {currentTrack.TrackSequence} of {opticalMediaImage.Tracks.Count}";
prgProgress.Value++;
});
if (currentTrack.TrackStartSector - previousTrackEnd != 0 && chkChecksumMedia.Checked == true)
{
for (ulong i = previousTrackEnd + 1; i < currentTrack.TrackStartSector; i++)
{
ulong sector = i;
Application.Instance.Invoke(() =>
{
prgProgress2.Value = (int)(sector / SECTORS_TO_READ);
lblProgress2.Text = $"Hashing track-less sector {sector}";
});
byte[] hiddenSector = opticalMediaImage.ReadSector(i);
mediaChecksum?.Update(hiddenSector);
}
}
DicConsole.DebugWriteLine("Checksum command",
"Track {0} starts at sector {1} and ends at sector {2}",
currentTrack.TrackSequence, currentTrack.TrackStartSector,
currentTrack.TrackEndSector);
if (chkChecksumTracks.Checked == true)
{
trackChecksum = new Checksum(enabledChecksums);
}
ulong sectors = currentTrack.TrackEndSector - currentTrack.TrackStartSector + 1;
ulong doneSectors = 0;
while (doneSectors < sectors)
{
if (cancel)
{
Application.Instance.Invoke(() =>
{
btnClose.Visible = true;
btnStart.Visible = false;
btnStop.Visible = false;
});
return;
}
byte[] sector;
if (sectors - doneSectors >= SECTORS_TO_READ)
{
sector = opticalMediaImage.ReadSectors(doneSectors, SECTORS_TO_READ,
currentTrack.TrackSequence);
ulong doneSectorsToInvoke = doneSectors;
Application.Instance.Invoke(() =>
{
prgProgress2.Value = (int)(doneSectorsToInvoke / SECTORS_TO_READ);
lblProgress2.Text =
$"Hashings sectors {doneSectorsToInvoke} to {doneSectorsToInvoke + SECTORS_TO_READ} of track {currentTrack.TrackSequence}";
});
doneSectors += SECTORS_TO_READ;
}
else
{
sector = opticalMediaImage.ReadSectors(doneSectors, (uint)(sectors - doneSectors),
currentTrack.TrackSequence);
ulong doneSectorsToInvoke = doneSectors;
Application.Instance.Invoke(() =>
{
prgProgress2.Value = (int)(doneSectorsToInvoke / SECTORS_TO_READ);
lblProgress2.Text =
$"Hashings sectors {doneSectorsToInvoke} to {doneSectorsToInvoke + (sectors - doneSectorsToInvoke)} of track {currentTrack.TrackSequence}";
});
doneSectors += sectors - doneSectors;
}
if (chkChecksumMedia.Checked == true)
{
mediaChecksum?.Update(sector);
}
if (chkChecksumTracks.Checked == true)
{
trackChecksum?.Update(sector);
}
}
if (chkChecksumTracks.Checked == true)
{
if (trackChecksum != null)
{
foreach (ChecksumType chk in trackChecksum.End())
{
trackHashes.Add(new TreeGridItem
{
Values = new object[]
{
currentTrack.TrackSequence, chk.type, chk.Value
}
});
}
}
}
previousTrackEnd = currentTrack.TrackEndSector;
}
if (opticalMediaImage.Info.Sectors - previousTrackEnd != 0 && chkChecksumMedia.Checked == true)
{
for (ulong i = previousTrackEnd + 1; i < opticalMediaImage.Info.Sectors; i++)
{
ulong sector = i;
Application.Instance.Invoke(() =>
{
prgProgress2.Value = (int)(sector / SECTORS_TO_READ);
lblProgress2.Text = $"Hashing track-less sector {sector}";
});
byte[] hiddenSector = opticalMediaImage.ReadSector(i);
mediaChecksum?.Update(hiddenSector);
}
}
if (chkChecksumMedia.Checked == true)
{
if (mediaChecksum != null)
{
foreach (ChecksumType chk in mediaChecksum.End())
{
mediaHashes.Add(new TreeGridItem {
Values = new object[] { chk.type, chk.Value }
});
}
}
}
}
catch (Exception ex)
{
DicConsole.DebugWriteLine("Could not get tracks because {0}", ex.Message);
DicConsole.WriteLine("Unable to get separate tracks, not checksumming them");
}
}
else
{
Application.Instance.Invoke(() => { stkProgress1.Visible = false; });
mediaChecksum = new Checksum(enabledChecksums);
ulong doneSectors = 0;
while (doneSectors < inputFormat.Info.Sectors)
{
if (cancel)
{
Application.Instance.Invoke(() =>
{
btnClose.Visible = true;
btnStart.Visible = false;
btnStop.Visible = false;
});
return;
}
byte[] sector;
if (inputFormat.Info.Sectors - doneSectors >= SECTORS_TO_READ)
{
sector = inputFormat.ReadSectors(doneSectors, SECTORS_TO_READ);
ulong doneSectorsToInvoke = doneSectors;
Application.Instance.Invoke(() =>
{
prgProgress2.Value = (int)(doneSectorsToInvoke / SECTORS_TO_READ);
lblProgress2.Text =
$"Hashings sectors {doneSectorsToInvoke} to {doneSectorsToInvoke + SECTORS_TO_READ}";
});
doneSectors += SECTORS_TO_READ;
}
else
{
sector = inputFormat.ReadSectors(doneSectors, (uint)(inputFormat.Info.Sectors - doneSectors));
ulong doneSectorsToInvoke = doneSectors;
Application.Instance.Invoke(() =>
{
prgProgress2.Value = (int)(doneSectorsToInvoke / SECTORS_TO_READ);
lblProgress2.Text =
$"Hashings sectors {doneSectorsToInvoke} to {doneSectorsToInvoke + (inputFormat.Info.Sectors - doneSectorsToInvoke)}";
});
doneSectors += inputFormat.Info.Sectors - doneSectors;
}
mediaChecksum.Update(sector);
}
foreach (ChecksumType chk in mediaChecksum.End())
{
mediaHashes.Add(new TreeGridItem {
Values = new object[] { chk.type, chk.Value }
});
}
}
if (chkChecksumTracks.Checked == true)
{
Application.Instance.Invoke(() =>
{
grpTrackChecksums.Text = "Track checksums:";
stkTrackChecksums.Visible = true;
treeTrackChecksums.Columns.Add(new GridColumn
{
HeaderText = "Track", DataCell = new TextBoxCell(0)
});
treeTrackChecksums.Columns.Add(new GridColumn
{
HeaderText = "Algorithm", DataCell = new TextBoxCell(1)
});
treeTrackChecksums.Columns.Add(new GridColumn {
HeaderText = "Hash", DataCell = new TextBoxCell(2)
});
treeTrackChecksums.AllowMultipleSelection = false;
treeTrackChecksums.ShowHeader = true;
treeTrackChecksums.DataStore = trackHashes;
});
}
if (chkChecksumMedia.Checked == true)
{
Application.Instance.Invoke(() =>
{
grpMediaChecksums.Text = "Media checksums:";
stkMediaChecksums.Visible = true;
treeMediaChecksums.Columns.Add(new GridColumn
{
HeaderText = "Algorithm", DataCell = new TextBoxCell(0)
});
treeMediaChecksums.Columns.Add(new GridColumn {
HeaderText = "Hash", DataCell = new TextBoxCell(1)
});
treeMediaChecksums.AllowMultipleSelection = false;
treeMediaChecksums.ShowHeader = true;
treeMediaChecksums.DataStore = mediaHashes;
});
}
Statistics.AddCommand("checksum");
Application.Instance.Invoke(() =>
{
stkOptions.Visible = false;
stkResults.Visible = true;
stkProgress.Visible = false;
btnStart.Visible = false;
btnStop.Visible = false;
btnClose.Visible = true;
});
}
private static Task <IpBin> GetIpData(IOpticalMediaImage opticalImage, Partition partition)
{
return(Task.Run(() => GetIpData(opticalImage.ReadSector(partition.Start))));
}
