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aarfcd-wifi-manager.h
1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2005,2006 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: Federico Maguolo <maguolof@dei.unipd.it>
19  */
20 #ifndef AARFCD_WIFI_MANAGER_H
21 #define AARFCD_WIFI_MANAGER_H
22 
23 #include "wifi-remote-station-manager.h"
24 
25 namespace ns3 {
26 
27 struct AarfcdWifiRemoteStation;
28 
39 {
40 public:
41  static TypeId GetTypeId (void);
43  virtual ~AarfcdWifiManager ();
44 
45 private:
46  // overriden from base class
47  virtual WifiRemoteStation * DoCreateStation (void) const;
48  virtual void DoReportRxOk (WifiRemoteStation *station,
49  double rxSnr, WifiMode txMode);
50  virtual void DoReportRtsFailed (WifiRemoteStation *station);
51  virtual void DoReportDataFailed (WifiRemoteStation *station);
52  virtual void DoReportRtsOk (WifiRemoteStation *station,
53  double ctsSnr, WifiMode ctsMode, double rtsSnr);
54  virtual void DoReportDataOk (WifiRemoteStation *station,
55  double ackSnr, WifiMode ackMode, double dataSnr);
56  virtual void DoReportFinalRtsFailed (WifiRemoteStation *station);
57  virtual void DoReportFinalDataFailed (WifiRemoteStation *station);
58  virtual WifiMode DoGetDataMode (WifiRemoteStation *station, uint32_t size);
59  virtual WifiMode DoGetRtsMode (WifiRemoteStation *station);
60  virtual bool DoNeedRts (WifiRemoteStation *station,
61  Ptr<const Packet> packet, bool normally);
62  virtual bool IsLowLatency (void) const;
63 
64  void CheckRts (AarfcdWifiRemoteStation *station);
65  void IncreaseRtsWnd (AarfcdWifiRemoteStation *station);
66  void ResetRtsWnd (AarfcdWifiRemoteStation *station);
67  void TurnOffRts (AarfcdWifiRemoteStation *station);
68  void TurnOnRts (AarfcdWifiRemoteStation *station);
69 
70  // aarf fields below
71  uint32_t m_minTimerThreshold;
72  uint32_t m_minSuccessThreshold;
73  double m_successK;
74  uint32_t m_maxSuccessThreshold;
75  double m_timerK;
76 
77  // aarf-cd fields below
78  uint32_t m_minRtsWnd;
79  uint32_t m_maxRtsWnd;
80  bool m_rtsFailsAsDataFails;
81  bool m_turnOffRtsAfterRateDecrease;
82  bool m_turnOnRtsAfterRateIncrease;
83 };
84 
85 } // namespace ns3
86 
87 #endif /* AARFCD_WIFI_MANAGER_H */
virtual void DoReportDataFailed(WifiRemoteStation *station)
virtual bool DoNeedRts(WifiRemoteStation *station, Ptr< const Packet > packet, bool normally)
virtual WifiMode DoGetDataMode(WifiRemoteStation *station, uint32_t size)
virtual WifiMode DoGetRtsMode(WifiRemoteStation *station)
represent a single transmission modeA WifiMode is implemented by a single integer which is used to lo...
Definition: wifi-mode.h:88
hold a list of per-remote-station state.
virtual bool IsLowLatency(void) const
virtual WifiRemoteStation * DoCreateStation(void) const
an implementation of the AARF-CD algorithmThis algorithm was first described in "Efficient Collision ...
a unique identifier for an interface.
Definition: type-id.h:44
hold per-remote-station state.