--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/devices/wifi/aarf-wifi-manager.cc	Sat Mar 01 21:21:53 2008 +0100
@@ -0,0 +1,116 @@
+/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2004,2005,2006 INRIA
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as 
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
+ */
+
+#include "aarf-wifi-manager.h"
+
+#include "ns3/double.h"
+#include "ns3/uinteger.h"
+
+#define Min(a,b) ((a<b)?a:b)
+#define Max(a,b) ((a>b)?a:b)
+
+namespace ns3 {
+
+NS_OBJECT_ENSURE_REGISTERED (AarfWifiManager);
+
+TypeId 
+AarfWifiManager::GetTypeId (void)
+{
+  static TypeId tid = TypeId ("AarfWifiManager")
+    .SetParent<ArfWifiManager> ()
+    .AddConstructor<AarfWifiManager> ()
+    .AddAttribute ("SuccessK", "Multiplication factor for the success threshold in the AARF algorithm.",
+                   Double (2.0),
+                   MakeDoubleAccessor (&AarfWifiManager::m_successK),
+                   MakeDoubleChecker<double> ())
+    .AddAttribute ("TimerK",
+                   "Multiplication factor for the timer threshold in the AARF algorithm.",
+                   Double (2.0),
+                   MakeDoubleAccessor (&AarfWifiManager::m_timerK),
+                   MakeDoubleChecker<double> ())
+    .AddAttribute ("MaxSuccessThreshold",
+                   "Maximum value of the success threshold in the AARF algorithm.",
+                   Uinteger (60),
+                   MakeUintegerAccessor (&AarfWifiManager::m_maxSuccessThreshold),
+                   MakeUintegerChecker<uint32_t> ())
+    .AddAttribute ("MinTimerThreshold",
+                   "The minimum value for the 'timer' threshold in the AARF algorithm.",
+                   Uinteger (15),
+                   MakeUintegerAccessor (&AarfWifiManager::m_minTimerThreshold),
+                   MakeUintegerChecker<uint32_t> ())
+    .AddAttribute ("MinSuccessThreshold",
+                   "The minimum value for the success threshold in the AARF algorithm.",
+                   Uinteger (10),
+                   MakeUintegerAccessor (&AarfWifiManager::m_minSuccessThreshold),
+                   MakeUintegerChecker<uint32_t> ())
+    ;
+  return tid;
+}
+
+AarfWifiManager::AarfWifiManager ()
+{}
+AarfWifiManager::~AarfWifiManager ()
+{}
+WifiRemoteStation *
+AarfWifiManager::CreateStation (void)
+{
+  return new AarfWifiRemoteStation (this, m_minTimerThreshold,
+                                    m_minSuccessThreshold,
+                                    m_successK,
+                                    m_maxSuccessThreshold,
+                                    m_timerK);
+}
+
+
+
+
+AarfWifiRemoteStation::AarfWifiRemoteStation (Ptr<AarfWifiManager> stations,
+                                              uint32_t minTimerThreshold,
+                                              uint32_t minSuccessThreshold,
+                                              double successK,
+                                              uint32_t maxSuccessThreshold,
+                                              double timerK)
+  : ArfWifiRemoteStation (stations, minTimerThreshold, minSuccessThreshold),
+    m_successK (successK),
+    m_maxSuccessThreshold (maxSuccessThreshold),
+    m_timerK (timerK)
+{}
+
+
+AarfWifiRemoteStation::~AarfWifiRemoteStation ()
+{}
+
+void 
+AarfWifiRemoteStation::ReportRecoveryFailure (void)
+{
+  SetSuccessThreshold ((int)(Min (GetSuccessThreshold () * m_successK,
+                                  m_maxSuccessThreshold)));
+  SetTimerTimeout ((int)(Max (GetMinTimerTimeout (),
+                              GetSuccessThreshold () * m_timerK)));
+}
+
+void 
+AarfWifiRemoteStation::ReportFailure (void)
+{
+  SetTimerTimeout (GetMinTimerTimeout ());
+  SetSuccessThreshold (GetMinSuccessThreshold ());
+}
+
+} // namespace ns3