aarfcd-wifi-manager.h

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/*
 * Copyright (c) 2005,2006 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: Federico Maguolo <maguolof@dei.unipd.it>
 */
 
#ifndef AARFCD_WIFI_MANAGER_H
#define AARFCD_WIFI_MANAGER_H
 
#include "ns3/traced-value.h"
#include "ns3/wifi-remote-station-manager.h"
 
namespace ns3
{
 
struct AarfcdWifiRemoteStation;
 
class AarfcdWifiManager : public WifiRemoteStationManager
{
  public:
    static TypeId GetTypeId();
    AarfcdWifiManager();
    ~AarfcdWifiManager() override;
 
  private:
    void DoInitialize() override;
    WifiRemoteStation* DoCreateStation() const override;
    void DoReportRxOk(WifiRemoteStation* station, double rxSnr, WifiMode txMode) override;
 
    void DoReportRtsFailed(WifiRemoteStation* station) override;
    void DoReportDataFailed(WifiRemoteStation* station) override;
    void DoReportRtsOk(WifiRemoteStation* station,
                       double ctsSnr,
                       WifiMode ctsMode,
                       double rtsSnr) override;
    void DoReportDataOk(WifiRemoteStation* station,
                        double ackSnr,
                        WifiMode ackMode,
                        double dataSnr,
                        uint16_t dataChannelWidth,
                        uint8_t dataNss) override;
    void DoReportFinalRtsFailed(WifiRemoteStation* station) override;
    void DoReportFinalDataFailed(WifiRemoteStation* station) override;
    WifiTxVector DoGetDataTxVector(WifiRemoteStation* station, uint16_t allowedWidth) override;
    WifiTxVector DoGetRtsTxVector(WifiRemoteStation* station) override;
    bool DoNeedRts(WifiRemoteStation* station, uint32_t size, bool normally) override;
 
    void CheckRts(AarfcdWifiRemoteStation* station);
    void IncreaseRtsWnd(AarfcdWifiRemoteStation* station);
    void ResetRtsWnd(AarfcdWifiRemoteStation* station);
    void TurnOffRts(AarfcdWifiRemoteStation* station);
    void TurnOnRts(AarfcdWifiRemoteStation* station);
 
    // AARF fields below
    uint32_t m_minTimerThreshold;   
    uint32_t m_minSuccessThreshold; 
    double m_successK;              
    uint32_t m_maxSuccessThreshold; 
    double m_timerK;                
 
    // AARF-CD fields below
    uint32_t m_minRtsWnd;               
    uint32_t m_maxRtsWnd;               
    bool m_turnOffRtsAfterRateDecrease; 
    bool m_turnOnRtsAfterRateIncrease;  
 
    TracedValue<uint64_t> m_currentRate; 
};
 
} // namespace ns3
 
#endif /* AARFCD_WIFI_MANAGER_H */