1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/node/ipv6-header.cc Fri Nov 07 11:36:15 2008 -0800
1.3 @@ -0,0 +1,187 @@
1.4 +/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
1.5 +/*
1.6 + * Copyright (c) 2007-2008 Louis Pasteur University
1.7 + *
1.8 + * This program is free software; you can redistribute it and/or modify
1.9 + * it under the terms of the GNU General Public License version 2 as
1.10 + * published by the Free Software Foundation;
1.11 + *
1.12 + * This program is distributed in the hope that it will be useful,
1.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.15 + * GNU General Public License for more details.
1.16 + *
1.17 + * You should have received a copy of the GNU General Public License
1.18 + * along with this program; if not, write to the Free Software
1.19 + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
1.20 + *
1.21 + * Author: Sebastien Vincent <vincent@clarinet.u-strasbg.fr>
1.22 + */
1.23 +
1.24 +#include "ns3/assert.h"
1.25 +#include "ns3/log.h"
1.26 +#include "ns3/header.h"
1.27 +#include "address-utils.h"
1.28 +#include "ipv6-header.h"
1.29 +
1.30 +NS_LOG_COMPONENT_DEFINE ("Ipv6Header");
1.31 +
1.32 +namespace ns3 {
1.33 +
1.34 +NS_OBJECT_ENSURE_REGISTERED (Ipv6Header);
1.35 +
1.36 +Ipv6Header::Ipv6Header ()
1.37 +: m_version (6),
1.38 + m_trafficClass (0),
1.39 + m_flowLabel (1),
1.40 + m_payloadLength (0),
1.41 + m_nextHeader (0),
1.42 + m_hopLimit (0)
1.43 +{
1.44 +
1.45 + SetSourceAddress (Ipv6Address("::"));
1.46 + SetDestinationAddress(Ipv6Address ("::"));
1.47 +}
1.48 +
1.49 +void Ipv6Header::SetTrafficClass (uint8_t traffic)
1.50 +{
1.51 + m_trafficClass = traffic;
1.52 +}
1.53 +
1.54 +uint8_t Ipv6Header::GetTrafficClass () const
1.55 +{
1.56 + return m_trafficClass;
1.57 +}
1.58 +
1.59 +void Ipv6Header::SetFlowLabel (uint32_t flow)
1.60 +{
1.61 + m_flowLabel = flow;
1.62 +}
1.63 +
1.64 +uint32_t Ipv6Header::GetFlowLabel () const
1.65 +{
1.66 + return m_flowLabel;
1.67 +}
1.68 +
1.69 +void Ipv6Header::SetPayloadLength (uint16_t len)
1.70 +{
1.71 + m_payloadLength = len;
1.72 +}
1.73 +
1.74 +uint16_t Ipv6Header::GetPayloadLength () const
1.75 +{
1.76 + return m_payloadLength;
1.77 +}
1.78 +
1.79 +void Ipv6Header::SetNextHeader (uint8_t next)
1.80 +{
1.81 + m_nextHeader = next;
1.82 +}
1.83 +
1.84 +uint8_t Ipv6Header::GetNextHeader () const
1.85 +{
1.86 + return m_nextHeader;
1.87 +}
1.88 +
1.89 +void Ipv6Header::SetHopLimit (uint8_t limit)
1.90 +{
1.91 + m_hopLimit = limit;
1.92 +}
1.93 +
1.94 +uint8_t Ipv6Header::GetHopLimit () const
1.95 +{
1.96 + return m_hopLimit;
1.97 +}
1.98 +
1.99 +void Ipv6Header::SetSourceAddress (Ipv6Address src)
1.100 +{
1.101 + m_sourceAddress = src;
1.102 +}
1.103 +
1.104 +Ipv6Address Ipv6Header::GetSourceAddress () const
1.105 +{
1.106 + return m_sourceAddress;
1.107 +}
1.108 +
1.109 +void Ipv6Header::SetDestinationAddress (Ipv6Address dst)
1.110 +{
1.111 + m_destinationAddress = dst;
1.112 +}
1.113 +
1.114 +Ipv6Address Ipv6Header::GetDestinationAddress () const
1.115 +{
1.116 + return m_destinationAddress;
1.117 +}
1.118 +
1.119 +TypeId Ipv6Header::GetTypeId (void)
1.120 +{
1.121 + static TypeId tid = TypeId ("ns3::Ipv6Header")
1.122 + .SetParent<Header> ()
1.123 + .AddConstructor<Ipv6Header> ()
1.124 + ;
1.125 + return tid;
1.126 +}
1.127 +
1.128 +TypeId Ipv6Header::GetInstanceTypeId (void) const
1.129 +{
1.130 + return GetTypeId ();
1.131 +}
1.132 +
1.133 +void Ipv6Header::Print (std::ostream& os) const
1.134 +{
1.135 + os << "("
1.136 + "Version " << m_version << " "
1.137 + << "Traffic class 0x" << std::hex << m_trafficClass << std::dec << " "
1.138 + << "Flow Label 0x" << std::hex << m_flowLabel << std::dec << " "
1.139 + << "Payload Length " << m_payloadLength << " "
1.140 + << "Next Header " << std::dec << (uint32_t) m_nextHeader << " "
1.141 + << "Hop Limit " << std::dec << (uint32_t)m_hopLimit << " )"
1.142 + << m_sourceAddress << " > " << m_destinationAddress
1.143 + ;
1.144 +}
1.145 +
1.146 +uint32_t Ipv6Header::GetSerializedSize () const
1.147 +{
1.148 + return 10 * 4;
1.149 +}
1.150 +
1.151 +void Ipv6Header::Serialize (Buffer::Iterator start) const
1.152 +{
1.153 + Buffer::Iterator i = start;
1.154 + uint32_t vTcFl = 0; /* version, Traffic Class and Flow Label fields */
1.155 +
1.156 + vTcFl= (6 << 28) | (m_trafficClass << 20) | (m_flowLabel);
1.157 +
1.158 + i.WriteHtonU32(vTcFl);
1.159 + i.WriteHtonU16(m_payloadLength);
1.160 + i.WriteU8(m_nextHeader);
1.161 + i.WriteU8(m_hopLimit);
1.162 +
1.163 + WriteTo(i, m_sourceAddress);
1.164 + WriteTo(i, m_destinationAddress);
1.165 +}
1.166 +
1.167 +uint32_t Ipv6Header::Deserialize (Buffer::Iterator start)
1.168 +{
1.169 + Buffer::Iterator i = start;
1.170 + uint32_t vTcFl = 0;
1.171 +
1.172 + vTcFl = i.ReadNtohU32();
1.173 + m_version = vTcFl >> 28;
1.174 +
1.175 + NS_ASSERT((m_version) == 6);
1.176 +
1.177 + m_trafficClass = (uint8_t)((vTcFl >> 20) & 0x000000ff);
1.178 + m_flowLabel = vTcFl & 0xfff00000;
1.179 + m_payloadLength = i.ReadNtohU16();
1.180 + m_nextHeader = i.ReadU8();
1.181 + m_hopLimit = i.ReadU8();
1.182 +
1.183 + ReadFrom(i, m_sourceAddress);
1.184 + ReadFrom(i, m_destinationAddress);
1.185 +
1.186 + return GetSerializedSize();
1.187 +}
1.188 +
1.189 +} /* namespace ns3 */
1.190 +