rraa-wifi-manager.h

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * 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 RRAA_WIFI_MANAGER_H
#define RRAA_WIFI_MANAGER_H
 
#include "ns3/nstime.h"
#include "ns3/traced-value.h"
#include "ns3/wifi-remote-station-manager.h"
 
namespace ns3 {
 
struct RraaWifiRemoteStation;
 
struct WifiRraaThresholds
  {
    double m_ori; 
    double m_mtl; 
    uint32_t m_ewnd; 
  };
 
typedef std::vector<std::pair<WifiRraaThresholds, WifiMode> > RraaThresholdsTable;
 
class RraaWifiManager : public WifiRemoteStationManager
{
public:
  static TypeId GetTypeId (void);
 
  RraaWifiManager ();
  virtual ~RraaWifiManager ();
 
  void SetupPhy (const Ptr<WifiPhy> phy) override;
  void SetupMac (const Ptr<WifiMac> mac) override;
 
 
private:
  void DoInitialize (void) override;
  WifiRemoteStation * DoCreateStation (void) 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) override;
  WifiTxVector DoGetRtsTxVector (WifiRemoteStation *station) override;
  bool DoNeedRts (WifiRemoteStation *st,
                  uint32_t size, bool normally) override;
 
  void CheckInit (RraaWifiRemoteStation *station);
  uint8_t GetMaxRate (RraaWifiRemoteStation *station) const;
  void CheckTimeout (RraaWifiRemoteStation *station);
  void RunBasicAlgorithm (RraaWifiRemoteStation *station);
  void ARts (RraaWifiRemoteStation *station);
  void ResetCountersBasic (RraaWifiRemoteStation *station);
  void InitThresholds (RraaWifiRemoteStation *station);
  WifiRraaThresholds GetThresholds (RraaWifiRemoteStation *station, WifiMode mode) const;
  WifiRraaThresholds GetThresholds (RraaWifiRemoteStation *station, uint8_t index) const;
  Time GetCalcTxTime (WifiMode mode) const;
  void AddCalcTxTime (WifiMode mode, Time t);
  typedef std::vector<std::pair<Time,WifiMode> > TxTime;
 
  TxTime m_calcTxTime;     
  Time m_sifs;             
  Time m_difs;             
 
  uint32_t m_frameLength;  
  uint32_t m_ackLength;    
 
  bool m_basic;    
  Time m_timeout;  
  double m_alpha;  
  double m_beta;   
  double m_tau;    
 
  TracedValue<uint64_t> m_currentRate; 
};
 
} //namespace ns3
 
#endif /* RRAA_WIFI_MANAGER_H */