aodv-neighbor.h

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/*
 * Copyright (c) 2009 IITP RAS
 *
 * 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
 *
 * Based on
 *      NS-2 AODV model developed by the CMU/MONARCH group and optimized and
 *      tuned by Samir Das and Mahesh Marina, University of Cincinnati;
 *
 *      AODV-UU implementation by Erik Nordström of Uppsala University
 *      https://web.archive.org/web/20100527072022/http://core.it.uu.se/core/index.php/AODV-UU
 *
 * Authors: Elena Buchatskaia <borovkovaes@iitp.ru>
 *          Pavel Boyko <boyko@iitp.ru>
 */
 
#ifndef AODVNEIGHBOR_H
#define AODVNEIGHBOR_H
 
#include "ns3/arp-cache.h"
#include "ns3/callback.h"
#include "ns3/ipv4-address.h"
#include "ns3/simulator.h"
#include "ns3/timer.h"
 
#include <vector>
 
namespace ns3
{
 
class WifiMacHeader;
 
namespace aodv
{
 
class RoutingProtocol;
 
class Neighbors
{
  public:
    Neighbors(Time delay);
 
    struct Neighbor
    {
        Ipv4Address m_neighborAddress;
        Mac48Address m_hardwareAddress;
        Time m_expireTime;
        bool close;
 
        Neighbor(Ipv4Address ip, Mac48Address mac, Time t)
            : m_neighborAddress(ip),
              m_hardwareAddress(mac),
              m_expireTime(t),
              close(false)
        {
        }
    };
 
    Time GetExpireTime(Ipv4Address addr);
    bool IsNeighbor(Ipv4Address addr);
    void Update(Ipv4Address addr, Time expire);
    void Purge();
    void ScheduleTimer();
 
    void Clear()
    {
        m_nb.clear();
    }
 
    void AddArpCache(Ptr<ArpCache> a);
    void DelArpCache(Ptr<ArpCache> a);
 
    Callback<void, const WifiMacHeader&> GetTxErrorCallback() const
    {
        return m_txErrorCallback;
    }
 
    void SetCallback(Callback<void, Ipv4Address> cb)
    {
        m_handleLinkFailure = cb;
    }
 
    Callback<void, Ipv4Address> GetCallback() const
    {
        return m_handleLinkFailure;
    }
 
  private:
    Callback<void, Ipv4Address> m_handleLinkFailure;
    Callback<void, const WifiMacHeader&> m_txErrorCallback;
    Timer m_ntimer;
    std::vector<Neighbor> m_nb;
    std::vector<Ptr<ArpCache>> m_arp;
 
    Mac48Address LookupMacAddress(Ipv4Address addr);
    void ProcessTxError(const WifiMacHeader& hdr);
};
 
} // namespace aodv
} // namespace ns3
 
#endif /* AODVNEIGHBOR_H */