Brunet.Services.Dht.TableServerData.DeleteExpired C# (CSharp) Метод

    public int DeleteExpired(MemBlock key) {
      LinkedList<Entry> data = (LinkedList<Entry>) _data[key];
      if(data == null) {
        return 0;
      }
      DateTime now = DateTime.UtcNow;
      LinkedListNode<Entry> current = data.First;
      while(current != null) {
        if (current.Value.EndTime > now) {
          break;
        }
        LinkedListNode<Entry> next = current.Next;
        data.Remove(current);
        current = next;
        count--;
      }
      int lcount = data.Count;
      if(data.Count == 0) {
        list_of_keys.Remove(key);
        _data.Remove(key);
      }
      return lcount;
    }