private void Init()
{
try
{
int cur = 0;
string firstDestFileFullPath = String.Empty;
foreach (DestinationType d in this.destinationInfo)
{
// need to keep track on the instance count
cur++;
// now populate the copy operation
VRASCopyOperationHelper helper = new VRASCopyOperationHelper();
// figure out the source
if (this.copyFromFirstDestinationFolder & cur > 1)
{
// was made the first run
helper.SourceFullString = firstDestFileFullPath;
}
else
{
helper.SourceFullString = this.sourceFile.FullName;
}
// figure out the destination
helper.DestInfo = this.DestinationFileGenerator(d.DestinationLocation, this.sourceFile.DirectoryName, this.sourceFile.FullName, this.sourceRootFolder, this.sourceFile.Name, d.ArchiveSettings, this.batchSetName, this.defaultRegExString);
// assign this incase this is to be the new source for the copy. For the next run through the destination lists
if (cur == 1)
{
firstDestFileFullPath = helper.DestInfo.DestFullString;
}
// need to hash compare?
helper.HashCompare = d.HashCompareFlag;
this.filesToCopy.Add(helper);
// Delete all in process file in destination folder
foreach (string file in Directory.GetFiles(d.DestinationLocation, "*" + this.tempFileExt))
{
try
{
File.Delete(file);
}
catch
{
// Swallow exceptions if we cannot delete it.
}
}
}
}
catch (Exception ex)
{
VRASLogEvent.LogMesage(
VRASLogEvent.EventLogName,
"Error: " + ex.Message,
System.Diagnostics.EventLogEntryType.Error,
Convert.ToInt32(VRAS.VRASLogEvent.EventIDs.FileCopyError),
VRASLogEvent.EventSourceDefault);
}
}
private bool CopyFile(VRASCopyOperationHelper helper)
{
bool success = false;
int retries = 0;
string tempFile = helper.DestInfo.DestFullString + this.tempFileExt;
// Try to copy the file N times acording to the config
try
{
// make sure the file is still there
if (!File.Exists(helper.SourceFullString))
{
this.copyErrorOccured = true;
throw new Exception(String.Format("Discovered File: {0} is missing before copy operations", helper.SourceFullString));
}
FileInfo source = new FileInfo(helper.SourceFullString);
// attempt to copy the file N times
while (retries <= this.copyRetries && !success)
{
try
{
// make sure the dir is there
if (!Directory.Exists(helper.DestInfo.DestPathOnly))
{
Directory.CreateDirectory(helper.DestInfo.DestPathOnly);
}
if (File.Exists(helper.DestInfo.DestFullString))
{
if (CryptoHashCompare(helper.SourceFullString, helper.DestInfo.DestFullString))
{
// Same file
success = true;
break;
}
else
{
// Overwrite the file so delete it first
File.Delete(helper.DestInfo.DestFullString);
}
}
// copy the file if the file is still there
if (File.Exists(helper.SourceFullString))
{
source.CopyTo(tempFile, true);
}
// Move the temp file to final destination
if (File.Exists(tempFile))
{
File.Move(tempFile, helper.DestInfo.DestFullString);
}
else
{
throw new Exception("Move file Failed for " + tempFile + " and " + helper.DestInfo.DestFullString + " in CopySet: " + this.batchSetName);
}
// does a hash compare need to be done?
if (helper.HashCompare)
{
if (!CryptoHashCompare(helper.SourceFullString, helper.DestInfo.DestFullString))
{
throw new Exception("Backup HASH Validation Failed for " + helper.SourceFullString + " and " + helper.DestInfo.DestFullString + " in CopySet: " + this.batchSetName);
}
}
success = true;
}
catch (Exception ex)
{
if (retries >= this.copyRetries)
{
this.copyErrorOccured = true;
throw new Exception(String.Format("Error with copy operation: {0}. Source: {1}. Destination: {2}.", ex.Message, source.FullName, helper.DestInfo.DestFullString));
}
else
{
// sleep before retry
retries++;
Thread.Sleep(this.copyRetrySleepMs);
}
}
}
}
catch
{
try
{
// attempt to clean the file off if we failed in the copy or has validation.
if (File.Exists(helper.DestInfo.DestFullString))
{
File.Delete(helper.DestInfo.DestFullString);
}
this.copyErrorOccured = true;
this.errorString = String.Format("In Error condition. Needed to remove the destintion file {0}", helper.DestInfo.DestFullString);
}
catch
{
}
// still want to throw the exception
throw;
}
finally
{
try
{
// Cleanup temp file on best efforts
if (File.Exists(tempFile))
{
File.Delete(tempFile);
}
}
catch
{
}
}
return(success);
}
