/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */

/*

 * Copyright (c) 2008-2009 Strasbourg University

 *

 * 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: Sebastien Vincent <vincent@clarinet.u-strasbg.fr>

 */

#include "ns3/node-list.h"

#include "ns3/names.h"

#include "ipv6-interface-container.h"

#include "ipv6-static-routing-helper.h"

namespace ns3 

{

Ipv6InterfaceContainer::Ipv6InterfaceContainer ()

{

}

uint32_t Ipv6InterfaceContainer::GetN () const

{

  return m_interfaces.size ();

}

uint32_t Ipv6InterfaceContainer::GetInterfaceIndex (uint32_t i) const

{

  return m_interfaces[i].second;

}

Ipv6Address Ipv6InterfaceContainer::GetAddress (uint32_t i, uint32_t j) const

{

  Ptr<Ipv6> ipv6 = m_interfaces[i].first;

  uint32_t interface = m_interfaces[i].second;

  return ipv6->GetAddress (interface, j).GetAddress ();

}

void Ipv6InterfaceContainer::Add (Ptr<Ipv6> ipv6, uint32_t interface)

{

  m_interfaces.push_back (std::make_pair (ipv6, interface));

}

void Ipv6InterfaceContainer::Add (std::string ipv6Name, uint32_t interface)

{

  Ptr<Ipv6> ipv6 = Names::Find<Ipv6> (ipv6Name);

  m_interfaces.push_back (std::make_pair (ipv6, interface));

}

void Ipv6InterfaceContainer::Add (Ipv6InterfaceContainer& c)

{

  for (InterfaceVector::const_iterator it = c.m_interfaces.begin () ; it != c.m_interfaces.end () ; it++)

    {

      m_interfaces.push_back (*it);

    }

}

void Ipv6InterfaceContainer::SetRouter (uint32_t i, bool router)

{

  Ptr<Ipv6> ipv6 = m_interfaces[i].first;

  ipv6->SetForwarding (m_interfaces[i].second, router);

  if (router)

    {

      uint32_t other;

      /* assume first global address is index 1 (0 is link-local) */

      Ipv6Address routerAddress = ipv6->GetAddress (m_interfaces[i].second, 1).GetAddress ();

      for (other = 0 ; other < m_interfaces.size () ; other++)

        {

          if (other != i)

            {

              Ptr<Ipv6StaticRouting> routing = 0;

              Ipv6StaticRoutingHelper routingHelper;

              ipv6 = m_interfaces[other].first;

              routing = routingHelper.GetStaticRouting (ipv6);

              routing->SetDefaultRoute (routerAddress, m_interfaces[other].second);

            }

        }

    }

}

void Ipv6InterfaceContainer::SetDefaultRoute (uint32_t i, uint32_t router)

{

  Ptr<Ipv6> ipv6 = m_interfaces[i].first;

  Ptr<Ipv6> ipv6Router = m_interfaces[router].first;

  Ipv6Address routerAddress = ipv6Router->GetAddress (m_interfaces[router].second, 1).GetAddress ();

  Ptr<Ipv6StaticRouting> routing = 0;

  Ipv6StaticRoutingHelper routingHelper;

  routing = routingHelper.GetStaticRouting (ipv6);

  routing->SetDefaultRoute (routerAddress, m_interfaces[i].second);

}

} /* namespace ns3 */