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

/*

 * Copyright (c) 2007 INRIA

 *

 * 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

 *

 * Authors: 

 *  Mathieu Lacage <mathieu.lacage@sophia.inria.fr>,

 */

#include "ns3/log.h"

#include "ns3/net-device.h"

#include "ns3/node.h"

#include "ns3/mac48-address.h"

#include "ns3/packet.h"

#include "ipv4-loopback-interface.h"

#include "ipv4-l3-protocol.h"

NS_LOG_COMPONENT_DEFINE ("Ipv4LoopbackInterface");

namespace ns3 {

TypeId 

Ipv4LoopbackInterface::GetTypeId (void)

{

  static TypeId tid = TypeId ("ns3::Ipv4LoopbackInterface")

    .SetParent<Ipv4Interface> ()

    ;

  return tid;

}

Ipv4LoopbackInterface::Ipv4LoopbackInterface ()

  : m_node (0)

{

  NS_LOG_FUNCTION (this);

}

Ipv4LoopbackInterface::~Ipv4LoopbackInterface ()

{

  NS_LOG_FUNCTION (this);

  NS_ASSERT (m_node != 0);

}

Ptr<NetDevice> 

Ipv4LoopbackInterface::GetDevice (void) const

{

  return 0;

}

void 

Ipv4LoopbackInterface::SetNode (Ptr<Node> node)

{

  m_node = node;

}

void 

Ipv4LoopbackInterface::SendTo (Ptr<Packet> packet, Ipv4Address dest)

{

  NS_LOG_FUNCTION (this << packet << dest);

  Ptr<Ipv4L3Protocol> ipv4 = 

    m_node->GetObject<Ipv4L3Protocol> ();

  ipv4->Receive (0, packet, Ipv4L3Protocol::PROT_NUMBER, 

                 Mac48Address ("ff:ff:ff:ff:ff:ff"),

                 Mac48Address ("ff:ff:ff:ff:ff:ff"),

                 NetDevice::PACKET_HOST // note: linux uses PACKET_LOOPBACK here

                 );

}

}//namespace ns3