/*

 * 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 "llc-snap-header.h"

#include "ns3/assert.h"

#include <string>

namespace ns3 {

NS_OBJECT_ENSURE_REGISTERED (LlcSnapHeader);

LlcSnapHeader::LlcSnapHeader ()

{

}

void

LlcSnapHeader::SetType (uint16_t type)

{

  m_etherType = type;

}

uint16_t

LlcSnapHeader::GetType (void)

{

  return m_etherType;

}

uint32_t 

LlcSnapHeader::GetSerializedSize (void) const

{

  return LLC_SNAP_HEADER_LENGTH;

}

TypeId 

LlcSnapHeader::GetTypeId (void)

{

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

    .SetParent<Header> ()

    .AddConstructor<LlcSnapHeader> ()

  ;

  return tid;

}

TypeId 

LlcSnapHeader::GetInstanceTypeId (void) const

{

  return GetTypeId ();

}

void 

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

{

  os << "type 0x";

  os.setf (std::ios::hex, std::ios::basefield);

  os << m_etherType;

  os.setf (std::ios::dec, std::ios::basefield);

}

void

LlcSnapHeader::Serialize (Buffer::Iterator start) const

{

  Buffer::Iterator i = start;

  uint8_t buf[] = { 0xaa, 0xaa, 0x03, 0, 0, 0};

  i.Write (buf, 6);

  i.WriteHtonU16 (m_etherType);

}

uint32_t

LlcSnapHeader::Deserialize (Buffer::Iterator start)

{

  Buffer::Iterator i = start;

  i.Next (5+1);

  m_etherType = i.ReadNtohU16 ();

  return GetSerializedSize ();

}

} // namespace ns3