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

/*

 * Copyright (c) 2005 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

 *

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

 */

#include "ipv4-end-point.h"

#include "ns3/packet.h"

#include "ns3/log.h"

#include "ns3/simulator.h"

namespace ns3 {

NS_LOG_COMPONENT_DEFINE ("Ipv4EndPoint");

Ipv4EndPoint::Ipv4EndPoint (Ipv4Address address, uint16_t port)

  : m_localAddr (address), 

    m_localPort (port),

    m_peerAddr (Ipv4Address::GetAny ()),

    m_peerPort (0)

{

  NS_LOG_FUNCTION (this << address << port);

}

Ipv4EndPoint::~Ipv4EndPoint ()

{

  NS_LOG_FUNCTION (this);

  if (!m_destroyCallback.IsNull ())

    {

      m_destroyCallback ();

    }

  m_rxCallback.Nullify ();

  m_icmpCallback.Nullify ();

  m_destroyCallback.Nullify ();

}

Ipv4Address 

Ipv4EndPoint::GetLocalAddress (void)

{

  NS_LOG_FUNCTION (this);

  return m_localAddr;

}

void 

Ipv4EndPoint::SetLocalAddress (Ipv4Address address)

{

  NS_LOG_FUNCTION (this << address);

  m_localAddr = address;

}

uint16_t 

Ipv4EndPoint::GetLocalPort (void)

{

  NS_LOG_FUNCTION (this);

  return m_localPort;

}

Ipv4Address 

Ipv4EndPoint::GetPeerAddress (void)

{

  NS_LOG_FUNCTION (this);

  return m_peerAddr;

}

uint16_t 

Ipv4EndPoint::GetPeerPort (void)

{

  NS_LOG_FUNCTION (this);

  return m_peerPort;

}

void 

Ipv4EndPoint::SetPeer (Ipv4Address address, uint16_t port)

{

  NS_LOG_FUNCTION (this << address << port);

  m_peerAddr = address;

  m_peerPort = port;

}

void

Ipv4EndPoint::BindToNetDevice (Ptr<NetDevice> netdevice)

{

  NS_LOG_FUNCTION (this << netdevice);

  m_boundnetdevice = netdevice;

  return;

}

Ptr<NetDevice> 

Ipv4EndPoint::GetBoundNetDevice (void)

{

  NS_LOG_FUNCTION (this);

  return m_boundnetdevice;

}

void 

Ipv4EndPoint::SetRxCallback (Callback<void,Ptr<Packet>, Ipv4Header, uint16_t, Ptr<Ipv4Interface> > callback)

{

  NS_LOG_FUNCTION (this << &callback);

  m_rxCallback = callback;

}

void 

Ipv4EndPoint::SetIcmpCallback (Callback<void,Ipv4Address,uint8_t,uint8_t,uint8_t,uint32_t> callback)

{

  NS_LOG_FUNCTION (this << &callback);

  m_icmpCallback = callback;

}

void 

Ipv4EndPoint::SetDestroyCallback (Callback<void> callback)

{

  NS_LOG_FUNCTION (this << &callback);

  m_destroyCallback = callback;

}

void 

Ipv4EndPoint::ForwardUp (Ptr<Packet> p, const Ipv4Header& header, uint16_t sport,

                         Ptr<Ipv4Interface> incomingInterface)

{

  NS_LOG_FUNCTION (this << p << &header << sport << incomingInterface);

  if (!m_rxCallback.IsNull ())

    {

      Simulator::ScheduleNow (&Ipv4EndPoint::DoForwardUp, this, p, header, sport, 

                              incomingInterface);

    }

}

void 

Ipv4EndPoint::DoForwardUp (Ptr<Packet> p, const Ipv4Header& header, uint16_t sport,

                           Ptr<Ipv4Interface> incomingInterface)

{

  NS_LOG_FUNCTION (this << p << &header << sport << incomingInterface);

  if (!m_rxCallback.IsNull ())

    {

      m_rxCallback (p, header, sport, incomingInterface);

    }

}

void 

Ipv4EndPoint::ForwardIcmp (Ipv4Address icmpSource, uint8_t icmpTtl, 

                           uint8_t icmpType, uint8_t icmpCode,

                           uint32_t icmpInfo)

{

  NS_LOG_FUNCTION (this << icmpSource << (uint32_t)icmpTtl << (uint32_t)icmpType <<

                   (uint32_t)icmpCode << icmpInfo);

  if (!m_icmpCallback.IsNull ())

    {

      Simulator::ScheduleNow (&Ipv4EndPoint::DoForwardIcmp, this, 

                              icmpSource, icmpTtl, icmpType, icmpCode, icmpInfo);

    }

}

void 

Ipv4EndPoint::DoForwardIcmp (Ipv4Address icmpSource, uint8_t icmpTtl, 

                             uint8_t icmpType, uint8_t icmpCode,

                             uint32_t icmpInfo)

{

  NS_LOG_FUNCTION (this << icmpSource << static_cast<uint32_t> (icmpTtl) << static_cast<uint32_t> (icmpType) << static_cast<uint32_t> (icmpCode) << icmpInfo);

  if (!m_icmpCallback.IsNull ())

    {

      m_icmpCallback (icmpSource,icmpTtl,icmpType,icmpCode,icmpInfo);

    }

}

} // namespace ns3