src/devices/wifi/aarf-mac-stations.cc
author Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
Mon, 08 Oct 2007 17:04:34 +0200
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port to new MacStation API
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/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
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/*
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 * Copyright (c) 2004,2005,2006 INRIA
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License version 2 as 
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 * published by the Free Software Foundation;
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 *
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 * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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 */
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#include "aarf-mac-stations.h"
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#define Min(a,b) ((a<b)?a:b)
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#define Max(a,b) ((a>b)?a:b)
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namespace ns3 {
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AarfMacStations::AarfMacStations (WifiMode defaultTxMode)
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  : ArfMacStations (defaultTxMode)
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{}
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AarfMacStations::~AarfMacStations ()
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{}
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MacStation *
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AarfMacStations::CreateStation (WifiMode defaultTxMode)
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{
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  return new AarfMacStation (defaultTxMode, 2.0, 60, 2.0);
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}
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AarfMacStation::AarfMacStation (WifiMode defaultTxMode,
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                                double successK,
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                                int maxSuccessThreshold,
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                                double timerK)
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  : ArfMacStation (defaultTxMode, 15, 10),
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    m_successK (successK),
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    m_maxSuccessThreshold (maxSuccessThreshold),
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    m_timerK (timerK)
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{}
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AarfMacStation::~AarfMacStation ()
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{}
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void 
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AarfMacStation::ReportRecoveryFailure (void)
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{
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  SetSuccessThreshold ((int)(Min (GetSuccessThreshold () * m_successK,
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                                  m_maxSuccessThreshold)));
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  SetTimerTimeout ((int)(Max (GetMinTimerTimeout (),
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                              GetSuccessThreshold () * m_timerK)));
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}
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void 
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AarfMacStation::ReportFailure (void)
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{
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  SetTimerTimeout (GetMinTimerTimeout ());
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  SetSuccessThreshold (GetMinSuccessThreshold ());
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}
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} // namespace ns3