172 lines
3.4 KiB
C++
172 lines
3.4 KiB
C++
/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2005 INRIA
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca>
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*/
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#include <iomanip>
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#include <iostream>
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#include "ns3/assert.h"
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#include "ns3/log.h"
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#include "ns3/header.h"
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#include "ethernet-header.h"
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#include "address-utils.h"
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NS_LOG_COMPONENT_DEFINE ("EthernetHeader");
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namespace ns3 {
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NS_HEADER_ENSURE_REGISTERED (EthernetHeader);
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uint32_t
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EthernetHeader::GetUid (void)
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{
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static uint32_t uid = AllocateUid<EthernetHeader> ("EthernetHeader.ns3");
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return uid;
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}
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EthernetHeader::EthernetHeader (bool hasPreamble)
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: m_enPreambleSfd (hasPreamble),
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m_lengthType (0)
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{}
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EthernetHeader::EthernetHeader ()
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: m_enPreambleSfd (false),
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m_lengthType (0)
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{}
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void
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EthernetHeader::SetLengthType (uint16_t lengthType)
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{
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m_lengthType = lengthType;
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}
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uint16_t
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EthernetHeader::GetLengthType (void) const
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{
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return m_lengthType;
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}
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void
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EthernetHeader::SetPreambleSfd (uint64_t preambleSfd)
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{
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m_preambleSfd = preambleSfd;
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}
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uint64_t
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EthernetHeader::GetPreambleSfd (void) const
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{
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return m_preambleSfd;
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}
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void
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EthernetHeader::SetSource (Mac48Address source)
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{
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m_source = source;
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}
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Mac48Address
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EthernetHeader::GetSource (void) const
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{
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return m_source;
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}
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void
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EthernetHeader::SetDestination (Mac48Address dst)
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{
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m_destination = dst;
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}
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Mac48Address
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EthernetHeader::GetDestination (void) const
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{
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return m_destination;
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}
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ethernet_header_t
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EthernetHeader::GetPacketType (void) const
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{
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return LENGTH;
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}
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uint32_t
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EthernetHeader::GetHeaderSize (void) const
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{
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return GetSerializedSize();
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}
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std::string
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EthernetHeader::GetName (void) const
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{
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return "ETHERNET";
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}
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void
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EthernetHeader::Print (std::ostream &os) const
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{
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// ethernet, right ?
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if (m_enPreambleSfd)
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{
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os << " preamble/sfd=" << m_preambleSfd << ",";
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}
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os << " length/type=0x" << std::hex << m_lengthType << std::dec
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<< ", source=" << m_source
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<< ", destination=" << m_destination;
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}
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uint32_t
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EthernetHeader::GetSerializedSize (void) const
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{
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if (m_enPreambleSfd)
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{
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return PREAMBLE_SIZE + LENGTH_SIZE + 2*MAC_ADDR_SIZE;
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}
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else
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{
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return LENGTH_SIZE + 2*MAC_ADDR_SIZE;
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}
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}
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void
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EthernetHeader::Serialize (Buffer::Iterator start) const
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{
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Buffer::Iterator i = start;
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if (m_enPreambleSfd)
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{
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i.WriteU64(m_preambleSfd);
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}
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WriteTo (i, m_destination);
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WriteTo (i, m_source);
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i.WriteU16 (m_lengthType);
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}
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uint32_t
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EthernetHeader::Deserialize (Buffer::Iterator start)
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{
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Buffer::Iterator i = start;
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if (m_enPreambleSfd)
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{
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m_enPreambleSfd = i.ReadU64 ();
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}
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ReadFrom (i, m_destination);
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ReadFrom (i, m_source);
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m_lengthType = i.ReadU16 ();
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return GetSerializedSize ();
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}
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} // namespace ns3
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