/// <summary>
/// Closes a given transfer, and frees resources that were associated with the
/// transfer (by invoking the <see cref="FinalizeTransfer"/> method).
/// </summary>
/// <returns>The suggested <param name="status" /> if the transfer was found, or
/// <see cref="TransferStatus.UnknownTransfer"/> if no matching transfer was found.</returns>
protected virtual TransferStatus CloseTransferInternal(string transferId, TransferStatus status, AbortReason?abortReason, FileSystemTask context, AuditEvent eventId)
{
//try to get the transfer
TTransfer transfer = GetCachedTransfer(transferId, false, context);
//if we don't have this one (anymore), return corresponding flag
if (transfer == null)
{
return(TransferStatus.UnknownTransfer);
}
lock (transfer.SyncRoot)
{
CloseTransferImpl(transfer, status, abortReason);
transfer.Status = status;
transfer.AbortReason = abortReason;
FinalizeTransfer(transfer);
}
//audit status change
Auditor.AuditChangedTransferStatus(transfer, context, eventId);
return(status);
}