A Discrete-Event Network Simulator
API
ipv6-packet-info-tag.cc
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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 
20 #include "ipv6-packet-info-tag.h"
21 
22 #include "ns3/ipv6-address.h"
23 
24 #include <stdint.h>
25 
26 namespace ns3
27 {
28 
30  : m_addr(Ipv6Address()),
31  m_ifindex(0),
32  m_hoplimit(0),
33  m_tclass(0)
34 {
35 }
36 
37 void
39 {
40  m_addr = addr;
41 }
42 
45 {
46  return m_addr;
47 }
48 
49 void
51 {
52  m_ifindex = ifindex;
53 }
54 
55 uint32_t
57 {
58  return m_ifindex;
59 }
60 
61 void
63 {
64  m_hoplimit = ttl;
65 }
66 
67 uint8_t
69 {
70  return m_hoplimit;
71 }
72 
73 void
75 {
76  m_tclass = tclass;
77 }
78 
79 uint8_t
81 {
82  return m_tclass;
83 }
84 
85 TypeId
87 {
88  static TypeId tid = TypeId("ns3::Ipv6PacketInfoTag")
89  .SetParent<Tag>()
90  .SetGroupName("Internet")
91  .AddConstructor<Ipv6PacketInfoTag>();
92  return tid;
93 }
94 
95 TypeId
97 {
98  return GetTypeId();
99 }
100 
101 uint32_t
103 {
104  return 16 + sizeof(uint8_t) + sizeof(uint8_t) + sizeof(uint8_t);
105 }
106 
107 void
109 {
110  uint8_t buf[16];
111  m_addr.Serialize(buf);
112  i.Write(buf, 16);
113  i.WriteU8(m_ifindex);
114  i.WriteU8(m_hoplimit);
115  i.WriteU8(m_tclass);
116 }
117 
118 void
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 
129 void
130 Ipv6PacketInfoTag::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:931
Every class exported by the ns3 library is enclosed in the ns3 namespace.