/// <summary>
/// Default class constructor.
/// </summary>
/// <param name="mapPointer">Object related to file map.</param>
/// <param name="refStart">Scanner start index.</param>
/// <param name="refLength">Length of the scanning session.</param>
/// <param name="threadNo">Thread ID related to this scan session.</param>
/// <param name="threadCnt">Object related to thread control class.</param>
public HashProcessor(List <DataStuctInfo> mapPointer, int refStart, int refLength, int threadNo, ThreadControl threadCnt)
{
_fileMap = mapPointer;
_scanStartPos = refStart;
_scanEnd = refLength + _scanStartPos;
_threadId = threadNo;
_threadCntrl = threadCnt;
OnMatchFound += OnUpdateUi;
}
private void btnStartScan_Click(object sender, EventArgs e)
{
try
{
InitScanProcess();
_outputFile = txtOutputFile.Text.Trim();
string scanDir = txtScanDirectory.Text.Trim();
int scanThreads = Convert.ToInt32(numUpDownScanThreads.Value);
UpdateStatusMessage(@"Validating input data and initializing...");
//Check if the selected scan directory is still available.
if (!Directory.Exists(scanDir))
{
showValidatationMessage(@"Unable to find scan directory", MessageBoxIcon.Warning);
return;
}
lstBoxResults.Items.Clear();
_scanList = new List <DataStuctInfo>();
UpdateStatusMessage(@"Scanning directory contents...");
String[] fileList = Directory.GetFiles(scanDir, "*", SearchOption.AllDirectories);
_totalFilesToScan = fileList.Length;
//Check if the files to scan is greater than the number of allocated threads.
if (_totalFilesToScan < scanThreads)
{
showValidatationMessage(@"Total files found in the directory is less than the scan thrad count. Please reduce the thread count or select a different direcotory.", MessageBoxIcon.Warning);
return;
}
foreach (string filePath in fileList)
{
_scanList.Add(new DataStuctInfo(filePath));
}
if (_scanList.Count < 2)
{
showValidatationMessage(@"Selected directory may not contain enough files to perform matching", MessageBoxIcon.Warning);
return;
}
Invalidate();
if (File.Exists(_outputFile))
{
File.Delete(_outputFile);
}
UpdateStatusMessage(@"Start scanning files...");
btnStartScan.Enabled = false;
btnPause.Enabled = true;
btnPause.Visible = true;
btnCancel.Enabled = true;
btnCancel.Visible = true;
btnSelectDirectory.Enabled = false;
btnSelectOutputFile.Enabled = false;
_threadExecState = new ThreadControl
{
ThreadPause = false
};
UpdatePauseCaption();
Refresh();
OutputList = new BlockingCollection <OutputDataStruct>();
PerformFileHashUpdate(scanThreads);
}
catch (Exception ex)
{
result = ShowThreadExceptionDialog("Error occured.", ex);
// Exits the program when the user clicks Abort.
if (result == DialogResult.Abort)
{
Environment.Exit(0);
}
}
}
