ipv4-list-routing.h

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/*
 * Copyright (c) 2009 University of Washington
 *
 * 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
 */
 
#ifndef IPV4_LIST_ROUTING_H
#define IPV4_LIST_ROUTING_H
 
#include "ipv4-routing-protocol.h"
 
#include "ns3/nstime.h"
#include "ns3/simulator.h"
 
#include <list>
 
namespace ns3
{
 
class Ipv4ListRouting : public Ipv4RoutingProtocol
{
  public:
    static TypeId GetTypeId();
 
    Ipv4ListRouting();
    ~Ipv4ListRouting() override;
 
    virtual void AddRoutingProtocol(Ptr<Ipv4RoutingProtocol> routingProtocol, int16_t priority);
    virtual uint32_t GetNRoutingProtocols() const;
    virtual Ptr<Ipv4RoutingProtocol> GetRoutingProtocol(uint32_t index, int16_t& priority) const;
 
    // Below are from Ipv4RoutingProtocol
    Ptr<Ipv4Route> RouteOutput(Ptr<Packet> p,
                               const Ipv4Header& header,
                               Ptr<NetDevice> oif,
                               Socket::SocketErrno& sockerr) override;
 
    bool RouteInput(Ptr<const Packet> p,
                    const Ipv4Header& header,
                    Ptr<const NetDevice> idev,
                    const UnicastForwardCallback& ucb,
                    const MulticastForwardCallback& mcb,
                    const LocalDeliverCallback& lcb,
                    const ErrorCallback& ecb) override;
    void NotifyInterfaceUp(uint32_t interface) override;
    void NotifyInterfaceDown(uint32_t interface) override;
    void NotifyAddAddress(uint32_t interface, Ipv4InterfaceAddress address) override;
    void NotifyRemoveAddress(uint32_t interface, Ipv4InterfaceAddress address) override;
    void SetIpv4(Ptr<Ipv4> ipv4) override;
    void PrintRoutingTable(Ptr<OutputStreamWrapper> stream,
                           Time::Unit unit = Time::S) const override;
 
  protected:
    void DoDispose() override;
    void DoInitialize() override;
 
  private:
    typedef std::pair<int16_t, Ptr<Ipv4RoutingProtocol>> Ipv4RoutingProtocolEntry;
    typedef std::list<Ipv4RoutingProtocolEntry> Ipv4RoutingProtocolList;
    Ipv4RoutingProtocolList m_routingProtocols; 
 
    static bool Compare(const Ipv4RoutingProtocolEntry& a, const Ipv4RoutingProtocolEntry& b);
    Ptr<Ipv4> m_ipv4; 
};
 
} // namespace ns3
 
#endif /* IPV4_LIST_ROUTING_H */