/* -*- 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: Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
*/
#include <iomanip>
#include <iostream>
#include "ns3/assert.h"
#include "ns3/log.h"
#include "ns3/header.h"
#include "ethernet-header.h"
#include "address-utils.h"
NS_LOG_COMPONENT_DEFINE ("EthernetHeader");
namespace ns3 {
NS_OBJECT_ENSURE_REGISTERED (EthernetHeader);
EthernetHeader::EthernetHeader (bool hasPreamble)
: m_enPreambleSfd (hasPreamble),
m_lengthType (0)
{}
EthernetHeader::EthernetHeader ()
: m_enPreambleSfd (false),
m_lengthType (0)
{}
void
EthernetHeader::SetLengthType (uint16_t lengthType)
{
m_lengthType = lengthType;
}
uint16_t
EthernetHeader::GetLengthType (void) const
{
return m_lengthType;
}
void
EthernetHeader::SetPreambleSfd (uint64_t preambleSfd)
{
m_preambleSfd = preambleSfd;
}
uint64_t
EthernetHeader::GetPreambleSfd (void) const
{
return m_preambleSfd;
}
void
EthernetHeader::SetSource (Mac48Address source)
{
m_source = source;
}
Mac48Address
EthernetHeader::GetSource (void) const
{
return m_source;
}
void
EthernetHeader::SetDestination (Mac48Address dst)
{
m_destination = dst;
}
Mac48Address
EthernetHeader::GetDestination (void) const
{
return m_destination;
}
ethernet_header_t
EthernetHeader::GetPacketType (void) const
{
return LENGTH;
}
uint32_t
EthernetHeader::GetHeaderSize (void) const
{
return GetSerializedSize();
}
TypeId
EthernetHeader::GetTypeId (void)
{
static TypeId tid = TypeId ("ns3::EthernetHeader")
.SetParent<Header> ()
.AddConstructor<EthernetHeader> ()
;
return tid;
}
TypeId
EthernetHeader::GetInstanceTypeId (void) const
{
return GetTypeId ();
}
void
EthernetHeader::Print (std::ostream &os) const
{
// ethernet, right ?
if (m_enPreambleSfd)
{
os << "preamble/sfd=" << m_preambleSfd << ",";
}
os << " length/type=0x" << std::hex << m_lengthType << std::dec
<< ", source=" << m_source
<< ", destination=" << m_destination;
}
uint32_t
EthernetHeader::GetSerializedSize (void) const
{
if (m_enPreambleSfd)
{
return PREAMBLE_SIZE + LENGTH_SIZE + 2*MAC_ADDR_SIZE;
}
else
{
return LENGTH_SIZE + 2*MAC_ADDR_SIZE;
}
}
void
EthernetHeader::Serialize (Buffer::Iterator start) const
{
Buffer::Iterator i = start;
if (m_enPreambleSfd)
{
i.WriteU64(m_preambleSfd);
}
WriteTo (i, m_destination);
WriteTo (i, m_source);
i.WriteHtonU16 (m_lengthType);
}
uint32_t
EthernetHeader::Deserialize (Buffer::Iterator start)
{
Buffer::Iterator i = start;
if (m_enPreambleSfd)
{
m_enPreambleSfd = i.ReadU64 ();
}
ReadFrom (i, m_destination);
ReadFrom (i, m_source);
m_lengthType = i.ReadNtohU16 ();
return GetSerializedSize ();
}
} // namespace ns3