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rraa-wifi-manager.h
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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 RRAA_WIFI_MANAGER_H
21 #define RRAA_WIFI_MANAGER_H
22 
23 #include "ns3/nstime.h"
24 #include "wifi-remote-station-manager.h"
25 
26 namespace ns3 {
27 
28 struct RraaWifiRemoteStation;
29 
39 class RraaWifiManager : public WifiRemoteStationManager
40 {
41 public:
42  static TypeId GetTypeId (void);
43 
44  RraaWifiManager ();
45  virtual ~RraaWifiManager ();
46 
47 private:
48  struct ThresholdsItem
49  {
50  uint32_t datarate;
51  double pori;
52  double pmtl;
53  uint32_t ewnd;
54  };
55 
56  // overriden from base class
57  virtual WifiRemoteStation * DoCreateStation (void) const;
58  virtual void DoReportRxOk (WifiRemoteStation *station,
59  double rxSnr, WifiMode txMode);
60  virtual void DoReportRtsFailed (WifiRemoteStation *station);
61  virtual void DoReportDataFailed (WifiRemoteStation *station);
62  virtual void DoReportRtsOk (WifiRemoteStation *station,
63  double ctsSnr, WifiMode ctsMode, double rtsSnr);
64  virtual void DoReportDataOk (WifiRemoteStation *station,
65  double ackSnr, WifiMode ackMode, double dataSnr);
66  virtual void DoReportFinalRtsFailed (WifiRemoteStation *station);
67  virtual void DoReportFinalDataFailed (WifiRemoteStation *station);
68  virtual WifiMode DoGetDataMode (WifiRemoteStation *station, uint32_t size);
69  virtual WifiMode DoGetRtsMode (WifiRemoteStation *station);
70  virtual bool DoNeedRts (WifiRemoteStation *st,
71  Ptr<const Packet> packet, bool normally);
72  virtual bool IsLowLatency (void) const;
73 
74  uint32_t GetMaxRate (RraaWifiRemoteStation *station);
75  uint32_t GetMinRate (RraaWifiRemoteStation *station);
76  void CheckTimeout (RraaWifiRemoteStation *station);
77  void RunBasicAlgorithm (RraaWifiRemoteStation *station);
78  void ARts (RraaWifiRemoteStation *station);
79  void ResetCountersBasic (RraaWifiRemoteStation *station);
80  struct ThresholdsItem GetThresholds (WifiMode mode) const;
81  struct ThresholdsItem GetThresholds (RraaWifiRemoteStation *station, uint32_t rate) const;
82 
83  bool m_basic;
84  Time m_timeout;
85  uint32_t m_ewndfor54;
86  uint32_t m_ewndfor48;
87  uint32_t m_ewndfor36;
88  uint32_t m_ewndfor24;
89  uint32_t m_ewndfor18;
90  uint32_t m_ewndfor12;
91  uint32_t m_ewndfor9;
92  uint32_t m_ewndfor6;
93  double m_porifor48;
94  double m_porifor36;
95  double m_porifor24;
96  double m_porifor18;
97  double m_porifor12;
98  double m_porifor9;
99  double m_porifor6;
100  double m_pmtlfor54;
101  double m_pmtlfor48;
102  double m_pmtlfor36;
103  double m_pmtlfor24;
104  double m_pmtlfor18;
105  double m_pmtlfor12;
106  double m_pmtlfor9;
107 };
108 
109 } // namespace ns3
110 
111 #endif /* RRAA_WIFI_MANAGER_H */