private void ProcessScannerFiles(List <String> listScannerFileNames)
{
// For each of these scanners we need to validate them and read the audit data path
foreach (string scannerFileName in listScannerFileNames)
{
// get the scanner object first
AuditScannerDefinition currentScannerConfiguration = AuditWizardSerialization.DeserializeObject(scannerFileName);
if (currentScannerConfiguration != null)
{
// Do we already have this scanner in our list?
AutoLoaderFolder thisFolder = _listUploadFolders.ContainsScanner(currentScannerConfiguration);
// If it doesn't already exist, add it
if (thisFolder == null)
{
AddUploadFolder(currentScannerConfiguration);
}
else
{
CheckUploadFolder(thisFolder);
}
}
}
}
/// <summary>
/// This function is called to check the supplied scanner to determine if it has been updated
/// and if so to check and if necessary update the data folder being watched
/// </summary>
/// <param name="theFolder"></param>
protected void CheckUploadFolder(AutoLoaderFolder aFolder)
{
LogFile ourLog = LogFile.Instance;
try
{
// Get the timestamp for the file and if matches that stored exit
DateTime lastWriteTime = File.GetLastWriteTime(aFolder.FileName);
if (lastWriteTime == aFolder.LastTimeStamp)
{
return;
}
ourLog.Write("File timestamp indicates changes made - validating", true);
// the timestamp differs meaning that the file has been updated - this means that we
// will have to re-read the file and check it's data folder
aFolder.LastTimeStamp = lastWriteTime; // Update the timestamp anyway
AuditScannerDefinition scannerConfiguration = AuditWizardSerialization.DeserializeObject(aFolder.FileName);
if (Convert.ToBoolean(config.AppSettings.Settings["disable_all_uploads"].Value))
{
ourLog.Write("disable_all_uploads is turned on - removing from list of watched folders.", true);
_listUploadFolders.Remove(aFolder);
return;
}
if (!scannerConfiguration.AutoUpload)
{
// if the auto-upload has been changed to false then remove from the list
ourLog.Write("Auto-upload is set to false - removing from list of watched folders.", true);
_listUploadFolders.Remove(aFolder);
return;
}
// Check to see if the file is in fact a valid file and if not we ignore this file but update our timestamp
if (!scannerConfiguration.IsValidFile)
{
ourLog.Write("Scanner configuration File does not appear to be valid and will be ignored.", true);
return;
}
// Get the data Path - has it changed? If not then return
if (scannerConfiguration.DeployPathData == aFolder.DataFolder)
{
ourLog.Write("Scanner data path does not appear to have changed - ignoring file update.", true);
return;
}
// Ok the path has changed so we need to change the path looked at by the watcher.
aFolder.DataFolder = scannerConfiguration.DeployPathData;
}
catch (Exception ex)
{
ourLog.Write("Exception occurred in [CheckUploadFolder], Exception Text is is " + ex.Message, true);
}
}
/// <summary>
/// Add a new upload folder to those being monitored
/// </summary>
/// <param name="scannerFile"></param>
protected void AddUploadFolder(AuditScannerDefinition aScannerConfiguration)
{
LogFile ourLog = LogFile.Instance;
try
{
// Get the timestamp for the file
string fileName = aScannerConfiguration.Filename;
DateTime lastWriteTime = File.GetLastWriteTime(fileName);
if (Convert.ToBoolean(config.AppSettings.Settings["disable_all_uploads"].Value))
{
ourLog.Write("disable_all_uploads is turned on - not adding to list of watched folders.", true);
return;
}
// Check to see if the file is a valid file and has auto-upload enabled
if (!aScannerConfiguration.IsValidFile)
{
ourLog.Write("The format of the scanner configuration file is not valid.", true);
return;
}
if (!aScannerConfiguration.AutoUpload)
{
ourLog.Write("The scanner configuration " + aScannerConfiguration.ScannerName + " has auto-upload disabled - not processing.", true);
return;
}
try
{
string dataPath = aScannerConfiguration.DeployPathData;
if (dataPath == "")
{
return;
}
// Create a new AutoLoaderFolder object to hold the details for this scanner
AutoLoaderFolder newFolder = new AutoLoaderFolder(fileName, aScannerConfiguration.ScannerName, dataPath, null, lastWriteTime);
// ...and add to our list
_listUploadFolders.Add(newFolder);
}
catch (Exception ex)
{
ourLog.Write("Exception occurred creating the FileSystemWatcher, text is " + ex.Message, true);
}
}
catch (Exception ex)
{
ourLog.Write("Exception occurred in [AddUploadFolder] for xml file: " + aScannerConfiguration.ScannerName +
" , the exception was '" + ex.Message + "'", true);
}
}
