event-garbage-collector.h

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2007 INESC Porto
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Author: Gustavo J. A. M. Carneiro  <gjc@inescporto.pt>
 */
#ifndef EVENT_GARBAGE_COLLECTOR_H
#define EVENT_GARBAGE_COLLECTOR_H
 
#include <set>
#include "ns3/event-id.h"
#include "ns3/simulator.h"
 
namespace ns3 {
 
class EventGarbageCollector
{
public:
 
  EventGarbageCollector ();
 
  void Track (EventId event);
 
  ~EventGarbageCollector ();
 
private:
 
  typedef std::multiset<EventId> EventList;
 
  const typename EventList::size_type CHUNK_INIT_SIZE = 8;
  const typename EventList::size_type CHUNK_MAX_SIZE = 128;
  
  EventList::size_type m_nextCleanupSize;      
  EventList m_events;                          
 
  void Cleanup ();
  void Grow ();
  void Shrink ();
};
 
} // namespace ns3
 
#endif /* EVENT_GARBAGE_COLLECTOR_H */