200 lines
4.0 KiB
C++
200 lines
4.0 KiB
C++
/*
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* Copyright (c) 2005 INRIA
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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 "ethernet-header.h"
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#include "address-utils.h"
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#include "ns3/assert.h"
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#include "ns3/header.h"
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#include "ns3/log.h"
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#include <iomanip>
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#include <iostream>
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namespace ns3
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{
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NS_LOG_COMPONENT_DEFINE("EthernetHeader");
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NS_OBJECT_ENSURE_REGISTERED(EthernetHeader);
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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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NS_LOG_FUNCTION(this << hasPreamble);
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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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NS_LOG_FUNCTION(this);
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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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NS_LOG_FUNCTION(this << lengthType);
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m_lengthType = lengthType;
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}
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uint16_t
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EthernetHeader::GetLengthType() const
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{
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NS_LOG_FUNCTION(this);
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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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NS_LOG_FUNCTION(this << preambleSfd);
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m_preambleSfd = preambleSfd;
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}
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uint64_t
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EthernetHeader::GetPreambleSfd() const
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{
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NS_LOG_FUNCTION(this);
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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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NS_LOG_FUNCTION(this << source);
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m_source = source;
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}
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Mac48Address
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EthernetHeader::GetSource() const
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{
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NS_LOG_FUNCTION(this);
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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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NS_LOG_FUNCTION(this << dst);
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m_destination = dst;
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}
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Mac48Address
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EthernetHeader::GetDestination() const
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{
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NS_LOG_FUNCTION(this);
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return m_destination;
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}
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ethernet_header_t
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EthernetHeader::GetPacketType() const
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{
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NS_LOG_FUNCTION(this);
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return LENGTH;
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}
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uint32_t
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EthernetHeader::GetHeaderSize() const
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{
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NS_LOG_FUNCTION(this);
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return GetSerializedSize();
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}
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TypeId
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EthernetHeader::GetTypeId()
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{
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static TypeId tid = TypeId("ns3::EthernetHeader")
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.SetParent<Header>()
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.SetGroupName("Network")
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.AddConstructor<EthernetHeader>();
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return tid;
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}
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TypeId
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EthernetHeader::GetInstanceTypeId() const
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{
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return GetTypeId();
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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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NS_LOG_FUNCTION(this << &os);
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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 << ", 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() const
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{
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NS_LOG_FUNCTION(this);
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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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NS_LOG_FUNCTION(this << &start);
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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.WriteHtonU16(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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NS_LOG_FUNCTION(this << &start);
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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.ReadNtohU16();
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return GetSerializedSize();
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}
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} // namespace ns3
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