/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2007-2009 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/packet.h"
#include "ns3/log.h"
#include "ns3/simulator.h"

#include "ipv6-end-point.h"

namespace ns3
{

NS_LOG_COMPONENT_DEFINE ("Ipv6EndPoint");

Ipv6EndPoint::Ipv6EndPoint (Ipv6Address addr, uint16_t port)
  : m_localAddr (addr),
    m_localPort (port),
    m_peerAddr (Ipv6Address::GetAny ()),
    m_peerPort (0)
{
}

Ipv6EndPoint::~Ipv6EndPoint ()
{
  if (!m_destroyCallback.IsNull ())
    {
      m_destroyCallback ();
    }
  m_rxCallback.Nullify ();
  m_icmpCallback.Nullify ();
  m_destroyCallback.Nullify ();
}

Ipv6Address Ipv6EndPoint::GetLocalAddress ()
{
  return m_localAddr;
}

void Ipv6EndPoint::SetLocalAddress (Ipv6Address addr)
{
  m_localAddr = addr;
}

uint16_t Ipv6EndPoint::GetLocalPort ()
{
  return m_localPort;
}

void Ipv6EndPoint::SetLocalPort (uint16_t port)
{
  m_localPort = port;
}

Ipv6Address Ipv6EndPoint::GetPeerAddress ()
{
  return m_peerAddr;
}

uint16_t Ipv6EndPoint::GetPeerPort ()
{
  return m_peerPort;
}

void Ipv6EndPoint::SetPeer (Ipv6Address addr, uint16_t port)
{
  m_peerAddr = addr;
  m_peerPort = port;
}

void Ipv6EndPoint::SetRxCallback (Callback<void, Ptr<Packet>, Ipv6Header, uint16_t> callback)
{
  m_rxCallback = callback;
}

void Ipv6EndPoint::SetIcmpCallback (Callback<void,Ipv6Address,uint8_t,uint8_t,uint8_t,uint32_t> callback)
{
  m_icmpCallback = callback;
}

void Ipv6EndPoint::SetDestroyCallback (Callback<void> callback)
{
  m_destroyCallback = callback;
}

void Ipv6EndPoint::ForwardUp (Ptr<Packet> p, Ipv6Header header, uint16_t port)
{
  if (!m_rxCallback.IsNull ())
    {
      m_rxCallback (p, header, port);
    }
}

void Ipv6EndPoint::ForwardIcmp (Ipv6Address src, uint8_t ttl, uint8_t type, 
                                uint8_t code, uint32_t info)
{
  if (!m_icmpCallback.IsNull ())
    {
      Simulator::ScheduleNow (&Ipv6EndPoint::DoForwardIcmp, this,
                              src, ttl, type, code, info);
    }
}

void Ipv6EndPoint::DoForwardUp (Ptr<Packet> p, Ipv6Header header, uint16_t sport)
{
  m_rxCallback (p, header, sport);
}

void Ipv6EndPoint::DoForwardIcmp (Ipv6Address src, uint8_t ttl, uint8_t type, 
                                  uint8_t code, uint32_t info)
{
  m_icmpCallback (src, ttl, type, code, info);
}

} /* namespace ns3 */