--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/devices/wifi/adhoc-wifi-mac.cc	Sat Mar 01 21:21:53 2008 +0100
@@ -0,0 +1,191 @@
+/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2005 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 "adhoc-wifi-mac.h"
+#include "dca-txop.h"
+#include "mac-low.h"
+#include "mac-rx-middle.h"
+#include "wifi-phy.h"
+#include "dcf-manager.h"
+#include "ns3/packet.h"
+#include "ns3/log.h"
+
+NS_LOG_COMPONENT_DEFINE ("AdhocWifiMac");
+
+namespace ns3 {
+
+NS_OBJECT_ENSURE_REGISTERED (AdhocWifiMac);
+
+TypeId 
+AdhocWifiMac::GetTypeId (void)
+{
+  static TypeId tid = TypeId ("AdhocWifiMac")
+    .SetParent<WifiMac> ()
+    .AddConstructor<AdhocWifiMac> ()
+    ;
+  return tid;
+}
+
+AdhocWifiMac::AdhocWifiMac ()
+{
+  m_rxMiddle = new MacRxMiddle ();
+  m_rxMiddle->SetForwardCallback (MakeCallback (&AdhocWifiMac::ForwardUp, this));
+
+  m_low = new MacLow ();
+  m_low->SetRxCallback (MakeCallback (&MacRxMiddle::Receive, m_rxMiddle));
+  m_low->SetMac (this);
+
+  m_dcfManager = new DcfManager ();
+  m_dcfManager->SetupLowListener (m_low);
+
+  m_dca = CreateObject<DcaTxop> ();
+  m_dca->SetLow (m_low);
+  m_dca->SetManager (m_dcfManager);
+}
+AdhocWifiMac::~AdhocWifiMac ()
+{}
+
+void
+AdhocWifiMac::DoDispose (void)
+{
+  delete m_rxMiddle;
+  delete m_low;
+  m_rxMiddle = 0;
+  m_low = 0;
+  m_phy = 0;
+  WifiMac::DoDispose ();
+}
+
+void 
+AdhocWifiMac::SetSlot (Time slotTime)
+{
+  m_dcfManager->SetSlot (slotTime);
+  WifiMac::SetSlot (slotTime);
+}
+void 
+AdhocWifiMac::SetSifs (Time sifs)
+{
+  m_dcfManager->SetSifs (sifs);
+  WifiMac::SetSifs (sifs);
+}
+void 
+AdhocWifiMac::SetEifsNoDifs (Time eifsNoDifs)
+{
+  m_dcfManager->SetEifsNoDifs (eifsNoDifs);
+  WifiMac::SetEifsNoDifs (eifsNoDifs);
+}
+
+void 
+AdhocWifiMac::SetWifiPhy (Ptr<WifiPhy> phy)
+{
+  m_phy = phy;
+  m_dcfManager->SetupPhyListener (phy);
+  m_low->SetPhy (phy);
+}
+void 
+AdhocWifiMac::SetWifiRemoteStationManager (Ptr<WifiRemoteStationManager> stationManager)
+{
+  m_stationManager = stationManager;
+  m_dca->SetWifiRemoteStationManager (stationManager);
+  m_low->SetWifiRemoteStationManager (stationManager);
+}
+void 
+AdhocWifiMac::SetForwardUpCallback (Callback<void,Ptr<Packet>, const Mac48Address &> upCallback)
+{
+  m_upCallback = upCallback;
+}
+void 
+AdhocWifiMac::SetLinkUpCallback (Callback<void> linkUp)
+{
+  // an Adhoc network is always UP.
+  linkUp ();
+}
+void 
+AdhocWifiMac::SetLinkDownCallback (Callback<void> linkDown)
+{
+  //XXX
+}
+Mac48Address 
+AdhocWifiMac::GetAddress (void) const
+{
+  return m_address;
+}
+Ssid 
+AdhocWifiMac::GetSsid (void) const
+{
+  return m_ssid;
+}
+Mac48Address 
+AdhocWifiMac::GetBssid (void) const
+{
+  // XXX the bssid should be generated by the procedure
+  // described in ieee802.11 section 11.1.3
+  return Mac48Address::GetBroadcast ();
+}
+void 
+AdhocWifiMac::SetAddress (Mac48Address address)
+{
+  m_address = address;
+}
+void 
+AdhocWifiMac::SetSsid (Ssid ssid)
+{
+  // XXX: here, we should start a special adhoc network
+  m_ssid = ssid;
+}
+
+void 
+AdhocWifiMac::Enqueue (Ptr<const Packet> packet, Mac48Address to)
+{
+  NS_LOG_DEBUG ("enqueue size="<<packet->GetSize ()<<", to="<<to);
+  WifiMacHeader hdr;
+  hdr.SetType (WIFI_MAC_DATA);
+  hdr.SetAddr1 (to);
+  hdr.SetAddr2 (GetAddress ());
+  hdr.SetAddr3 (GetBssid ());
+  hdr.SetDsNotFrom ();
+  hdr.SetDsNotTo ();
+
+  WifiRemoteStation *destination = m_stationManager->Lookup (to);
+  if (destination->IsBrandNew ())
+    {
+      // in adhoc mode, we assume that every destination
+      // supports all the rates we support.
+      for (uint32_t i = 0; i < m_phy->GetNModes (); i++)
+        {
+          destination->AddSupportedMode (m_phy->GetMode (i));
+        }
+      destination->RecordDisassociated ();
+    }
+
+  m_dca->Queue (packet, hdr);
+}
+
+void 
+AdhocWifiMac::ForwardUp (Ptr<Packet> packet, WifiMacHeader const *hdr)
+{
+  NS_LOG_DEBUG ("received size="<<packet->GetSize ()<<", from="<<hdr->GetAddr2 ());
+  if (hdr->GetAddr1 ().IsBroadcast () || hdr->GetAddr1 () == GetAddress ())
+    {
+      m_upCallback (packet, hdr->GetAddr2 ());
+    }
+}
+
+} // namespace ns3