default-channel-scheduler.h

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/*
 * 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: Junling Bu <linlinjavaer@gmail.com>
 */
#ifndef DEFAULT_CHANNEL_SCHEDULER_H
#define DEFAULT_CHANNEL_SCHEDULER_H
 
#include "wave-net-device.h"
 
namespace ns3
{
class WaveNetDevice;
 
class DefaultChannelScheduler : public ChannelScheduler
{
  public:
    static TypeId GetTypeId();
    DefaultChannelScheduler();
    ~DefaultChannelScheduler() override;
 
    void SetWaveNetDevice(Ptr<WaveNetDevice> device) override;
    ChannelAccess GetAssignedAccessType(uint32_t channelNumber) const override;
 
    void NotifyCchSlotStart(Time duration);
    void NotifySchSlotStart(Time duration);
    void NotifyGuardSlotStart(Time duration, bool cchi);
 
  private:
    void DoInitialize() override;
    void DoDispose() override;
    bool AssignAlternatingAccess(uint32_t channelNumber, bool immediate) override;
    bool AssignContinuousAccess(uint32_t channelNumber, bool immediate) override;
    bool AssignExtendedAccess(uint32_t channelNumber, uint32_t extends, bool immediate) override;
    bool AssignDefaultCchAccess() override;
    bool ReleaseAccess(uint32_t channelNumber) override;
    void SwitchToNextChannel(uint32_t curChannelNumber, uint32_t nextChannelNumber);
 
    Ptr<ChannelManager> m_manager;         
    Ptr<ChannelCoordinator> m_coordinator; 
    Ptr<WifiPhy> m_phy;                    
 
    uint32_t m_channelNumber;      
    uint32_t m_extend;             
    EventId m_extendEvent;         
    ChannelAccess m_channelAccess; 
 
    EventId m_waitEvent;          
    uint32_t m_waitChannelNumber; 
    uint32_t m_waitExtend;        
 
    Ptr<ChannelCoordinationListener> m_coordinationListener; 
};
 
} // namespace ns3
#endif /* DEFAULT_CHANNEL_SCHEDULER_H */