neighbor-cache-helper.h

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/*
 * Copyright (c) 2022 ZHIHENG DONG
 *
 * 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: Zhiheng Dong <dzh2077@gmail.com>
 */
 
#ifndef NEIGHBOR_CACHE_HELPER_H
#define NEIGHBOR_CACHE_HELPER_H
 
#include "ipv4-interface-container.h"
#include "ipv6-interface-container.h"
 
#include "ns3/arp-cache.h"
#include "ns3/arp-header.h"
#include "ns3/arp-l3-protocol.h"
#include "ns3/channel.h"
#include "ns3/icmpv6-l4-protocol.h"
#include "ns3/ipv4-address.h"
#include "ns3/ipv4-interface.h"
#include "ns3/ipv4-l3-protocol.h"
#include "ns3/ipv6-interface.h"
#include "ns3/ipv6-l3-protocol.h"
#include "ns3/net-device-container.h"
#include "ns3/node-list.h"
 
namespace ns3
{
 
class NeighborCacheHelper
{
  public:
    NeighborCacheHelper();
    ~NeighborCacheHelper();
 
    void PopulateNeighborCache();
 
    void PopulateNeighborCache(Ptr<Channel> channel) const;
 
    void PopulateNeighborCache(const NetDeviceContainer& c) const;
 
    void PopulateNeighborCache(const Ipv4InterfaceContainer& c) const;
 
    void PopulateNeighborCache(const Ipv6InterfaceContainer& c) const;
 
    void FlushAutoGenerated() const;
 
    void SetDynamicNeighborCache(bool enable);
 
  private:
    void PopulateNeighborEntriesIpv4(Ptr<Ipv4Interface> ipv4Interface,
                                     Ptr<Ipv4Interface> neighborDeviceInterface) const;
 
    void PopulateNeighborEntriesIpv6(Ptr<Ipv6Interface> ipv6Interface,
                                     Ptr<Ipv6Interface> neighborDeviceInterface) const;
 
    void AddEntry(Ptr<Ipv4Interface> netDeviceInterface,
                  Ipv4Address ipv4Address,
                  Address macAddress) const;
 
    void AddEntry(Ptr<Ipv6Interface> netDeviceInterface,
                  Ipv6Address ipv6Address,
                  Address macAddress) const;
 
    void UpdateCacheByIpv4AddressRemoved(const Ptr<Ipv4Interface> interface,
                                         const Ipv4InterfaceAddress ifAddr) const;
 
    void UpdateCacheByIpv4AddressAdded(const Ptr<Ipv4Interface> interface,
                                       const Ipv4InterfaceAddress ifAddr) const;
 
    void UpdateCacheByIpv6AddressRemoved(const Ptr<Ipv6Interface> interface,
                                         const Ipv6InterfaceAddress ifAddr) const;
 
    void UpdateCacheByIpv6AddressAdded(const Ptr<Ipv6Interface> interface,
                                       const Ipv6InterfaceAddress ifAddr) const;
 
    bool m_globalNeighborCache{
        false}; 
 
    bool m_dynamicNeighborCache{
        false}; 
};
 
} // namespace ns3
 
#endif /* NEIGHBOR_CACHE_HELPER_H */