A Discrete-Event Network Simulator
API
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ipv6-packet-info-tag.cc
Go to the documentation of this file.
1/*
2 * Copyright (c) 2010 Hajime Tazaki
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation;
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 *
17 * Authors: Hajime Tazaki <tazaki@sfc.wide.ad.jp>
18 */
19
21
22#include "ns3/ipv6-address.h"
23
24#include <stdint.h>
25
26namespace ns3
27{
28
30 : m_addr(Ipv6Address()),
31 m_ifindex(0),
32 m_hoplimit(0),
33 m_tclass(0)
34{
35}
36
37void
39{
40 m_addr = addr;
41}
42
45{
46 return m_addr;
47}
48
49void
51{
52 m_ifindex = ifindex;
53}
54
57{
58 return m_ifindex;
59}
60
61void
63{
64 m_hoplimit = ttl;
65}
66
67uint8_t
69{
70 return m_hoplimit;
71}
72
73void
75{
76 m_tclass = tclass;
77}
78
79uint8_t
81{
82 return m_tclass;
83}
84
87{
88 static TypeId tid = TypeId("ns3::Ipv6PacketInfoTag")
89 .SetParent<Tag>()
90 .SetGroupName("Internet")
91 .AddConstructor<Ipv6PacketInfoTag>();
92 return tid;
93}
94
97{
98 return GetTypeId();
99}
100
103{
104 return 16 + sizeof(uint8_t) + sizeof(uint8_t) + sizeof(uint8_t);
105}
106
107void
109{
110 uint8_t buf[16];
111 m_addr.Serialize(buf);
112 i.Write(buf, 16);
115 i.WriteU8(m_tclass);
116}
117
118void
120{
121 uint8_t buf[16];
122 i.Read(buf, 16);
124 m_ifindex = i.ReadU8();
125 m_hoplimit = i.ReadU8();
126 m_tclass = i.ReadU8();
127}
128
129void
130Ipv6PacketInfoTag::Print(std::ostream& os) const
131{
132 os << "Ipv6 PKTINFO [DestAddr: " << m_addr;
133 os << ", RecvIf:" << (uint32_t)m_ifindex;
134 os << ", TTL:" << (uint32_t)m_hoplimit;
135 os << ", TClass:" << (uint32_t)m_tclass;
136 os << "] ";
137}
138} // namespace ns3
Describes an IPv6 address.
Definition: ipv6-address.h:49
static Ipv6Address Deserialize(const uint8_t buf[16])
Deserialize this address.
void Serialize(uint8_t buf[16]) const
Serialize this address to a 16-byte buffer.
This class implements a tag that carries socket ancillary data to the socket interface.
void Deserialize(TagBuffer i) override
void SetTrafficClass(uint8_t tclass)
Set the tag's Traffic Class.
TypeId GetInstanceTypeId() const override
Get the most derived TypeId for this Object.
static TypeId GetTypeId()
Get the type ID.
void Print(std::ostream &os) const override
Ipv6Address m_addr
the packet address (src or dst)
void Serialize(TagBuffer i) const override
uint8_t m_tclass
the Traffic Class
uint8_t m_ifindex
the Interface index
Ipv6Address GetAddress() const
Get the tag's address.
void SetRecvIf(uint32_t ifindex)
Set the tag's receiving interface.
void SetHoplimit(uint8_t ttl)
Set the tag's Hop Limit.
uint8_t GetHoplimit() const
Get the tag's Hop Limit.
uint8_t GetTrafficClass() const
Get the tag's Traffic Class.
uint8_t m_hoplimit
the Hop Limit
uint32_t GetSerializedSize() const override
uint32_t GetRecvIf() const
Get the tag's receiving interface.
void SetAddress(Ipv6Address addr)
Set the tag's address.
read and write tag data
Definition: tag-buffer.h:52
void Read(uint8_t *buffer, uint32_t size)
Definition: tag-buffer.cc:183
TAG_BUFFER_INLINE void WriteU8(uint8_t v)
Definition: tag-buffer.h:172
TAG_BUFFER_INLINE uint8_t ReadU8()
Definition: tag-buffer.h:196
void Write(const uint8_t *buffer, uint32_t size)
Definition: tag-buffer.cc:129
tag a set of bytes in a packet
Definition: tag.h:39
a unique identifier for an interface.
Definition: type-id.h:59
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Definition: type-id.cc:932
Every class exported by the ns3 library is enclosed in the ns3 namespace.