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amrr-wifi-manager.h
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2003,2007 INRIA
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation;
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
19  */
20 #ifndef AMRR_WIFI_MANAGER_H
21 #define AMRR_WIFI_MANAGER_H
22 
23 #include "wifi-remote-station-manager.h"
24 #include "ns3/nstime.h"
25 
26 namespace ns3 {
27 
28 struct AmrrWifiRemoteStation;
29 
39 class AmrrWifiManager : public WifiRemoteStationManager
40 {
41 public:
42  static TypeId GetTypeId (void);
43 
44  AmrrWifiManager ();
45 
46 private:
47  // overriden from base class
48  virtual WifiRemoteStation * DoCreateStation (void) const;
49  virtual void DoReportRxOk (WifiRemoteStation *station,
50  double rxSnr, WifiMode txMode);
51  virtual void DoReportRtsFailed (WifiRemoteStation *station);
52  virtual void DoReportDataFailed (WifiRemoteStation *station);
53  virtual void DoReportRtsOk (WifiRemoteStation *station,
54  double ctsSnr, WifiMode ctsMode, double rtsSnr);
55  virtual void DoReportDataOk (WifiRemoteStation *station,
56  double ackSnr, WifiMode ackMode, double dataSnr);
57  virtual void DoReportFinalRtsFailed (WifiRemoteStation *station);
58  virtual void DoReportFinalDataFailed (WifiRemoteStation *station);
59  virtual WifiMode DoGetDataMode (WifiRemoteStation *station, uint32_t size);
60  virtual WifiMode DoGetRtsMode (WifiRemoteStation *station);
61  virtual bool IsLowLatency (void) const;
62 
63  void UpdateRetry (AmrrWifiRemoteStation *station);
64  void UpdateMode (AmrrWifiRemoteStation *station);
65  void ResetCnt (AmrrWifiRemoteStation *station);
66  void IncreaseRate (AmrrWifiRemoteStation *station);
67  void DecreaseRate (AmrrWifiRemoteStation *station);
68  bool IsMinRate (AmrrWifiRemoteStation *station) const;
69  bool IsMaxRate (AmrrWifiRemoteStation *station) const;
70  bool IsSuccess (AmrrWifiRemoteStation *station) const;
71  bool IsFailure (AmrrWifiRemoteStation *station) const;
72  bool IsEnough (AmrrWifiRemoteStation *station) const;
73 
74  Time m_updatePeriod;
75  double m_failureRatio;
76  double m_successRatio;
77  uint32_t m_maxSuccessThreshold;
78  uint32_t m_minSuccessThreshold;
79 };
80 
81 } // namespace ns3
82 
83 #endif /* AMRR_WIFI_MANAGER_H */