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constant-rate-wifi-manager.cc
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2004,2005 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 
21 #include "constant-rate-wifi-manager.h"
22 
23 #include "ns3/string.h"
24 #include "ns3/assert.h"
25 #include "ns3/log.h"
26 
27 NS_LOG_COMPONENT_DEFINE ("ConstantRateWifiManager");
28 
29 #define Min(a,b) ((a < b) ? a : b)
30 
31 namespace ns3 {
32 
33 NS_OBJECT_ENSURE_REGISTERED (ConstantRateWifiManager);
34 
35 TypeId
36 ConstantRateWifiManager::GetTypeId (void)
37 {
38  static TypeId tid = TypeId ("ns3::ConstantRateWifiManager")
39  .SetParent<WifiRemoteStationManager> ()
40  .AddConstructor<ConstantRateWifiManager> ()
41  .AddAttribute ("DataMode", "The transmission mode to use for every data packet transmission",
42  StringValue ("OfdmRate6Mbps"),
43  MakeWifiModeAccessor (&ConstantRateWifiManager::m_dataMode),
44  MakeWifiModeChecker ())
45  .AddAttribute ("ControlMode", "The transmission mode to use for every control packet transmission.",
46  StringValue ("OfdmRate6Mbps"),
47  MakeWifiModeAccessor (&ConstantRateWifiManager::m_ctlMode),
48  MakeWifiModeChecker ())
49  ;
50  return tid;
51 }
52 
53 ConstantRateWifiManager::ConstantRateWifiManager ()
54 {
55  NS_LOG_FUNCTION (this);
56 }
57 ConstantRateWifiManager::~ConstantRateWifiManager ()
58 {
59  NS_LOG_FUNCTION (this);
60 }
61 
62 
63 WifiRemoteStation *
64 ConstantRateWifiManager::DoCreateStation (void) const
65 {
66  NS_LOG_FUNCTION (this);
67  WifiRemoteStation *station = new WifiRemoteStation ();
68  return station;
69 }
70 
71 
72 void
73 ConstantRateWifiManager::DoReportRxOk (WifiRemoteStation *station,
74  double rxSnr, WifiMode txMode)
75 {
76  NS_LOG_FUNCTION (this << station << rxSnr << txMode);
77 }
78 void
79 ConstantRateWifiManager::DoReportRtsFailed (WifiRemoteStation *station)
80 {
81  NS_LOG_FUNCTION (this << station);
82 }
83 void
84 ConstantRateWifiManager::DoReportDataFailed (WifiRemoteStation *station)
85 {
86  NS_LOG_FUNCTION (this << station);
87 }
88 void
89 ConstantRateWifiManager::DoReportRtsOk (WifiRemoteStation *st,
90  double ctsSnr, WifiMode ctsMode, double rtsSnr)
91 {
92  NS_LOG_FUNCTION (this << st << ctsSnr << ctsMode << rtsSnr);
93 }
94 void
95 ConstantRateWifiManager::DoReportDataOk (WifiRemoteStation *st,
96  double ackSnr, WifiMode ackMode, double dataSnr)
97 {
98  NS_LOG_FUNCTION (this << st << ackSnr << ackMode << dataSnr);
99 }
100 void
101 ConstantRateWifiManager::DoReportFinalRtsFailed (WifiRemoteStation *station)
102 {
103  NS_LOG_FUNCTION (this << station);
104 }
105 void
106 ConstantRateWifiManager::DoReportFinalDataFailed (WifiRemoteStation *station)
107 {
108  NS_LOG_FUNCTION (this << station);
109 }
110 
111 WifiTxVector
112 ConstantRateWifiManager::DoGetDataTxVector (WifiRemoteStation *st, uint32_t size)
113 {
114  NS_LOG_FUNCTION (this << st << size);
115  return WifiTxVector (m_dataMode, GetDefaultTxPowerLevel (), GetLongRetryCount (st), GetShortGuardInterval (st), Min (GetNumberOfReceiveAntennas (st),GetNumberOfTransmitAntennas()), GetNumberOfTransmitAntennas (st), GetStbc (st));
116 }
117 WifiTxVector
118 ConstantRateWifiManager::DoGetRtsTxVector (WifiRemoteStation *st)
119 {
120  NS_LOG_FUNCTION (this << st);
121  return WifiTxVector (m_ctlMode, GetDefaultTxPowerLevel (), GetShortRetryCount (st), GetShortGuardInterval (st), Min (GetNumberOfReceiveAntennas (st),GetNumberOfTransmitAntennas()), GetNumberOfTransmitAntennas (st), GetStbc (st));
122 }
123 
124 bool
125 ConstantRateWifiManager::IsLowLatency (void) const
126 {
127  NS_LOG_FUNCTION (this);
128  return true;
129 }
130 
131 } // namespace ns3