MAPacketCache.hpp

/*
 *  This file is part of the AiBO+ project
 *
 *  Copyright (C) 2005-2016 Csaba Kertész (csaba.kertesz@gmail.com)
 *
 *  AiBO+ is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  AiBO+ 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 Street #330, Boston, MA 02111-1307, USA.
 *
 */

#pragma once

#include <map>

#include <MCDefs.hpp>

class MCBinaryData;

namespace MA
{
typedef std::map<int, MCBinaryData*> PacketCacheMap;
}

class MAPacketCache
{
  MC_DISABLE_COPY(MAPacketCache)

  explicit MAPacketCache(unsigned int storage_size_limit);
  virtual ~MAPacketCache();

  void AddPacket(int index, MCBinaryData& packet);
  MCBinaryData* GetPacket(int index);
  int GetCurrentStorageSize() const;
  bool UploadPacket(int index);
  void Release();

protected:
  virtual void Add(int index, MCBinaryData& packet) = 0;
  virtual bool Upload(int index, const MCBinaryData& packet) = 0;

  int CurrentStorageSize;
  int StorageSizeLimit;
  MA::PacketCacheMap Packets;
};