/* -*-  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 "mac-high-adhoc.h"

#include "dca-txop.h"

#include "wifi-net-device.h"

#include "mac-stations.h"

#include "wifi-phy.h"

#include "ns3/packet.h"

#include "ns3/log.h"

NS_LOG_COMPONENT_DEFINE ("MacHighAdhoc");

namespace ns3 {

MacHighAdhoc::MacHighAdhoc ()

{}

MacHighAdhoc::~MacHighAdhoc ()

{

  m_phy = 0;

}

void

MacHighAdhoc::SetDevice (WifiNetDevice *device)

{

  m_device = device;

}

void 

MacHighAdhoc::SetForwardCallback (ForwardCallback callback)

{

  m_callback = callback;

}

void

{

  m_dca = dca;

}

void 

MacHighAdhoc::SetStations (MacStations *stations)

{

  m_stations = stations;

}

void 

MacHighAdhoc::SetPhy (Ptr<WifiPhy> phy)

{

  m_phy = phy;

}

Mac48Address 

MacHighAdhoc::GetBssid (void) const

{

  // XXX the bssid should be generated by the procedure

  // described in ieee802.11 section 11.1.3

  return Mac48Address::GetBroadcast ();

}

void 

MacHighAdhoc::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 (m_device->GetSelfAddress ());

  hdr.SetAddr3 (m_device->GetBssid ());

  hdr.SetDsNotFrom ();

  hdr.SetDsNotTo ();

  MacStation *destination = m_stations->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 

MacHighAdhoc::Receive (Ptr<Packet> packet, WifiMacHeader const *hdr)

{

  NS_LOG_DEBUG ("received size="<<packet->GetSize ()<<", from="<<hdr->GetAddr2 ());

  if (hdr->GetAddr1 ().IsBroadcast () || hdr->GetAddr1 () == m_device->GetSelfAddress ())

    {

      m_callback (packet, hdr->GetAddr2 ());

    }

}

} // namespace ns3