nix-vector-helper.h

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/*
 * Copyright (c) 2009 The Georgia Institute of Technology
 * Copyright (c) 2021 NITK Surathkal
 *
 * 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
 *
 * This file is adapted from the old ipv4-nix-vector-helper.h.
 *
 * Authors: Josh Pelkey <jpelkey@gatech.edu>
 *
 * Modified by: Ameya Deshpande <ameyanrd@outlook.com>
 */
 
#ifndef NIX_VECTOR_HELPER_H
#define NIX_VECTOR_HELPER_H
 
#include "ns3/ipv4-routing-helper.h"
#include "ns3/ipv6-routing-helper.h"
#include "ns3/object-factory.h"
 
namespace ns3
{
 
template <typename T>
class NixVectorHelper : public std::enable_if_t<std::is_same_v<Ipv4RoutingHelper, T> ||
                                                    std::is_same_v<Ipv6RoutingHelper, T>,
                                                T>
{
    static constexpr bool IsIpv4 = std::is_same_v<Ipv4RoutingHelper, T>;
    using Ip = typename std::conditional_t<IsIpv4, Ipv4, Ipv6>;
    using IpAddress = typename std::conditional_t<IsIpv4, Ipv4Address, Ipv6Address>;
    using IpRoutingProtocol =
        typename std::conditional_t<IsIpv4, Ipv4RoutingProtocol, Ipv6RoutingProtocol>;
 
  public:
    NixVectorHelper();
 
    NixVectorHelper(const NixVectorHelper<T>& o);
 
    // Delete assignment operator to avoid misuse
    NixVectorHelper& operator=(const NixVectorHelper&) = delete;
 
    NixVectorHelper<T>* Copy() const override;
 
    Ptr<IpRoutingProtocol> Create(Ptr<Node> node) const override;
 
    void PrintRoutingPathAt(Time printTime,
                            Ptr<Node> source,
                            IpAddress dest,
                            Ptr<OutputStreamWrapper> stream,
                            Time::Unit unit = Time::S);
 
  private:
    ObjectFactory m_agentFactory; 
 
    static void PrintRoute(Ptr<Node> source,
                           IpAddress dest,
                           Ptr<OutputStreamWrapper> stream,
                           Time::Unit unit = Time::S);
};
 
typedef NixVectorHelper<Ipv4RoutingHelper> Ipv4NixVectorHelper;
 
typedef NixVectorHelper<Ipv6RoutingHelper> Ipv6NixVectorHelper;
} // namespace ns3
 
#endif /* NIX_VECTOR_HELPER_H */