bs-scheduler.h

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/*
 * Copyright (c) 2007,2008 INRIA
 *
 * 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: Jahanzeb Farooq <jahanzeb.farooq@sophia.inria.fr>
 */
 
/* BS outbound scheduler as per in Section 6.3.5.1 */
 
#ifndef BS_SCHEDULER_H
#define BS_SCHEDULER_H
 
#include "dl-mac-messages.h"
#include "service-flow.h"
#include "wimax-phy.h"
 
#include "ns3/packet-burst.h"
#include "ns3/packet.h"
 
#include <list>
 
namespace ns3
{
 
class BaseStationNetDevice;
class GenericMacHeader;
class WimaxConnection;
class Cid;
 
class BSScheduler : public Object
{
  public:
    BSScheduler();
    BSScheduler(Ptr<BaseStationNetDevice> bs);
    ~BSScheduler() override;
 
    static TypeId GetTypeId();
 
    virtual std::list<std::pair<OfdmDlMapIe*, Ptr<PacketBurst>>>* GetDownlinkBursts() const = 0;
    virtual void AddDownlinkBurst(Ptr<const WimaxConnection> connection,
                                  uint8_t diuc,
                                  WimaxPhy::ModulationType modulationType,
                                  Ptr<PacketBurst> burst) = 0;
 
    virtual void Schedule() = 0;
    virtual bool SelectConnection(Ptr<WimaxConnection>& connection) = 0;
 
    virtual Ptr<PacketBurst> CreateUgsBurst(ServiceFlow* serviceFlow,
                                            WimaxPhy::ModulationType modulationType,
                                            uint32_t availableSymbols) = 0;
 
    virtual Ptr<BaseStationNetDevice> GetBs();
    virtual void SetBs(Ptr<BaseStationNetDevice> bs);
 
    bool CheckForFragmentation(Ptr<WimaxConnection> connection,
                               int availableSymbols,
                               WimaxPhy::ModulationType modulationType);
 
  private:
    Ptr<BaseStationNetDevice> m_bs;                                         
    std::list<std::pair<OfdmDlMapIe*, Ptr<PacketBurst>>>* m_downlinkBursts; 
};
 
} // namespace ns3
 
#endif /* BS_SCHEDULER_H */