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

/*

 * Copyright (c) 2010 Hajime Tazaki

 *

 * 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: Hajime Tazaki <tazaki@sfc.wide.ad.jp>

 */

#include <stdint.h>

#include "ns3/ipv4-address.h"

#include "ipv4-packet-info-tag.h"

#include "ns3/log.h"

namespace ns3 {

NS_LOG_COMPONENT_DEFINE ("Ipv4PacketInfoTag");

Ipv4PacketInfoTag::Ipv4PacketInfoTag ()

  : m_addr (Ipv4Address ()),

    m_spec_dst (Ipv4Address ()),

    m_ifindex (0),

    m_ttl (0)

{

  NS_LOG_FUNCTION (this);

}

void 

Ipv4PacketInfoTag::SetAddress (Ipv4Address addr)

{

  NS_LOG_FUNCTION (this << addr);

  m_addr = addr;

}

Ipv4Address

Ipv4PacketInfoTag::GetAddress (void) const

{

  NS_LOG_FUNCTION (this);

  return m_addr;

}

void 

Ipv4PacketInfoTag::SetLocalAddress (Ipv4Address addr)

{

  NS_LOG_FUNCTION (this << addr);

  m_spec_dst = addr;

}

Ipv4Address

Ipv4PacketInfoTag::GetLocalAddress (void) const

{

  NS_LOG_FUNCTION (this);

  return m_spec_dst;

}

void 

Ipv4PacketInfoTag::SetRecvIf (uint32_t ifindex)

{

  NS_LOG_FUNCTION (this << ifindex);

  m_ifindex = ifindex;

}

uint32_t 

Ipv4PacketInfoTag::GetRecvIf (void) const

{

  NS_LOG_FUNCTION (this);

  return m_ifindex;

}

void 

Ipv4PacketInfoTag::SetTtl (uint8_t ttl)

{

  NS_LOG_FUNCTION (this << static_cast<uint32_t> (ttl));

  m_ttl = ttl;

}

uint8_t 

Ipv4PacketInfoTag::GetTtl (void) const

{

  NS_LOG_FUNCTION (this);

  return m_ttl;

}

TypeId

Ipv4PacketInfoTag::GetTypeId (void)

{

  static TypeId tid = TypeId ("ns3::Ipv4PacketInfoTag")

    .SetParent<Tag> ()

    .AddConstructor<Ipv4PacketInfoTag> ()

  ;

  return tid;

}

TypeId

Ipv4PacketInfoTag::GetInstanceTypeId (void) const

{

  NS_LOG_FUNCTION (this);

  return GetTypeId ();

}

uint32_t 

Ipv4PacketInfoTag::GetSerializedSize (void) const

{ 

  NS_LOG_FUNCTION (this);

  return 4 + 4 

         + sizeof (uint32_t)

         + sizeof (uint8_t);

}

void 

Ipv4PacketInfoTag::Serialize (TagBuffer i) const

{

  NS_LOG_FUNCTION (this << &i);

  uint8_t buf[4];

  m_addr.Serialize (buf);

  i.Write (buf, 4);

  m_spec_dst.Serialize (buf);

  i.Write (buf, 4);

  i.WriteU32 (m_ifindex);

  i.WriteU8 (m_ttl);

}

void 

Ipv4PacketInfoTag::Deserialize (TagBuffer i)

{

  NS_LOG_FUNCTION (this<< &i);

  uint8_t buf[4];

  i.Read (buf, 4);

  m_addr = Ipv4Address::Deserialize (buf);

  i.Read (buf, 4);

  m_spec_dst = Ipv4Address::Deserialize (buf);

  m_ifindex = i.ReadU32 ();

  m_ttl = i.ReadU8 ();

}

void

Ipv4PacketInfoTag::Print (std::ostream &os) const

{

  NS_LOG_FUNCTION (this << &os);

  os << "Ipv4 PKTINFO [DestAddr: " << m_addr;

  os << ", Local Address:" << m_spec_dst;

  os << ", RecvIf:" << (uint32_t) m_ifindex;

  os << ", TTL:" << (uint32_t) m_ttl;

  os << "] ";

}

} // namespace ns3