amrr-wifi-manager.h

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2003,2007 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: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
 */

#ifndef AMRR_WIFI_MANAGER_H
#define AMRR_WIFI_MANAGER_H

#include "ns3/traced-value.h"
#include "wifi-remote-station-manager.h"

namespace ns3 {

struct AmrrWifiRemoteStation;

class AmrrWifiManager : public WifiRemoteStationManager
{
public:
  static TypeId GetTypeId (void);

  AmrrWifiManager ();
  virtual ~AmrrWifiManager ();

  // Inherited from WifiRemoteStationManager
  void SetHtSupported (bool enable);
  void SetVhtSupported (bool enable);
  void SetHeSupported (bool enable);


private:
  //overridden from base class
  WifiRemoteStation * DoCreateStation (void) const;
  void DoReportRxOk (WifiRemoteStation *station,
                     double rxSnr, WifiMode txMode);
  void DoReportRtsFailed (WifiRemoteStation *station);
  void DoReportDataFailed (WifiRemoteStation *station);
  void DoReportRtsOk (WifiRemoteStation *station,
                      double ctsSnr, WifiMode ctsMode, double rtsSnr);
  void DoReportDataOk (WifiRemoteStation *station,
                       double ackSnr, WifiMode ackMode, double dataSnr);
  void DoReportFinalRtsFailed (WifiRemoteStation *station);
  void DoReportFinalDataFailed (WifiRemoteStation *station);
  WifiTxVector DoGetDataTxVector (WifiRemoteStation *station);
  WifiTxVector DoGetRtsTxVector (WifiRemoteStation *station);
  bool IsLowLatency (void) const;

  void UpdateMode (AmrrWifiRemoteStation *station);
  void ResetCnt (AmrrWifiRemoteStation *station);
  void IncreaseRate (AmrrWifiRemoteStation *station);
  void DecreaseRate (AmrrWifiRemoteStation *station);
  bool IsMinRate (AmrrWifiRemoteStation *station) const;
  bool IsMaxRate (AmrrWifiRemoteStation *station) const;
  bool IsSuccess (AmrrWifiRemoteStation *station) const;
  bool IsFailure (AmrrWifiRemoteStation *station) const;
  bool IsEnough (AmrrWifiRemoteStation *station) const;

  Time m_updatePeriod; 
  double m_failureRatio; 
  double m_successRatio; 
  uint32_t m_maxSuccessThreshold; 
  uint32_t m_minSuccessThreshold; 

  TracedValue<uint64_t> m_currentRate; 
};

} //namespace ns3

#endif /* AMRR_WIFI_MANAGER_H */