/// <summary>
/// Check if a transfer needs to be completed by moving its data from the target temp dir
/// to the final (user) destination and by locally moving the transferred folders to the
/// grace location for deferred deletion.
/// </summary>
private void FinalizeTransfers()
{
// NOTE: this is intentionally triggered by the timer only to make sure the cleanup
// only happens while all system parameters are within their valid ranges
// make sure the service is in an expected state before cleaning up:
if (_transferState != TxState.Stopped || _status.TransferInProgress)
{
return;
}
if (_status.CurrentTargetTmp.Length > 0)
{
Log.Debug("Finalizing transfer, cleaning up target storage location...");
var finalDst = DestinationPath(_status.CurrentTargetTmp);
if (!string.IsNullOrWhiteSpace(finalDst))
{
if (FsUtils.MoveAllSubDirs(new DirectoryInfo(_status.CurrentTargetTmpFull()),
finalDst, _config.EnforceInheritedACLs))
{
_status.CurrentTargetTmp = "";
}
}
}
if (_status.CurrentTransferSrc.Length > 0)
{
if (_transferredFiles.Count == 0)
{
var msg = "FinalizeTransfers: CurrentTransferSrc is set to " +
$"[{_status.CurrentTransferSrc}], but the list of transferred " +
"files is empty!\nThis indicates something went wrong during the " +
"transfer, maybe a local permission problem?";
Log.Warn(msg);
SendAdminEmail(msg, "Error Finalizing Transfer!");
try {
var preserve = _status.CurrentTransferSrc
.Replace(_config.ManagedPath, "")
.Replace(@"\", "___");
preserve = Path.Combine(_config.ErrorPath, preserve);
var stale = new DirectoryInfo(_status.CurrentTransferSrc);
stale.MoveTo(preserve);
Log.Warn("Moved stale transfer source to [{0}]!", preserve);
}
catch (Exception ex) {
Log.Error("Preserving the stale transfer source [{0}] in [{1}] failed: {2}",
_status.CurrentTransferSrc, _config.ErrorPath, ex.Message);
}
// reset current transfer variables:
_status.CurrentTransferSrc = "";
_status.CurrentTransferSize = 0;
return;
}
Log.Debug("Finalizing transfer, moving local data to grace location...");
MoveToGraceLocation();
SendTransferCompletedMail();
_status.CurrentTransferSrc = ""; // cleanup completed, so reset CurrentTransferSrc
_status.CurrentTransferSize = 0;
_transferredFiles.Clear(); // empty the list of transferred files
}
}