A Discrete-Event Network Simulator
API
ipv6-packet-info-tag.cc
Go to the documentation of this file.
1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2010 Hajime Tazaki
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation;
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  * Authors: Hajime Tazaki <tazaki@sfc.wide.ad.jp>
19  */
20 
21 
22 #include <stdint.h>
23 #include "ns3/ipv6-address.h"
24 #include "ipv6-packet-info-tag.h"
25 
26 namespace ns3 {
27 
29  : m_addr (Ipv6Address ()),
30  m_ifindex (0),
31  m_hoplimit (0),
32  m_tclass (0)
33 {
34 }
35 
36 void
38 {
39  m_addr = addr;
40 }
41 
44 {
45  return m_addr;
46 }
47 
48 void
49 Ipv6PacketInfoTag::SetRecvIf (uint32_t ifindex)
50 {
51  m_ifindex = ifindex;
52 }
53 
54 uint32_t
56 {
57  return m_ifindex;
58 }
59 
60 void
62 {
63  m_hoplimit = ttl;
64 }
65 
66 uint8_t
68 {
69  return m_hoplimit;
70 }
71 
72 void
74 {
75  m_tclass = tclass;
76 }
77 
78 uint8_t
80 {
81  return m_tclass;
82 }
83 
84 
85 TypeId
87 {
88  static TypeId tid = TypeId ("ns3::Ipv6PacketInfoTag")
89  .SetParent<Tag> ()
90  .SetGroupName ("Internet")
91  .AddConstructor<Ipv6PacketInfoTag> ()
92  ;
93  return tid;
94 }
95 TypeId
97 {
98  return GetTypeId ();
99 }
100 
101 uint32_t
103 {
104  return 16
105  + sizeof (uint8_t)
106  + sizeof (uint8_t)
107  + sizeof (uint8_t);
108 }
109 void
111 {
112  uint8_t buf[16];
113  m_addr.Serialize (buf);
114  i.Write (buf, 16);
115  i.WriteU8 (m_ifindex);
116  i.WriteU8 (m_hoplimit);
117  i.WriteU8 (m_tclass);
118 }
119 void
121 {
122  uint8_t buf[16];
123  i.Read (buf, 16);
125  m_ifindex = i.ReadU8 ();
126  m_hoplimit = i.ReadU8 ();
127  m_tclass = i.ReadU8 ();
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
139 
Describes an IPv6 address.
Definition: ipv6-address.h:50
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 SetTrafficClass(uint8_t tclass)
Set the tag's Traffic Class.
uint8_t GetHoplimit(void) const
Get the tag's Hop Limit.
Ipv6Address m_addr
the packet address (src or dst)
virtual void Serialize(TagBuffer i) const
Ipv6Address GetAddress(void) const
Get the tag's address.
uint8_t m_tclass
the Traffic Class
uint8_t m_ifindex
the Interface index
virtual void Print(std::ostream &os) const
void SetRecvIf(uint32_t ifindex)
Set the tag's receiving interface.
static TypeId GetTypeId(void)
Get the type ID.
uint8_t GetTrafficClass(void) const
Get the tag's Traffic Class.
void SetHoplimit(uint8_t ttl)
Set the tag's Hop Limit.
uint8_t m_hoplimit
the Hop Limit
uint32_t GetRecvIf(void) const
Get the tag's receiving interface.
virtual TypeId GetInstanceTypeId(void) const
Get the most derived TypeId for this Object.
virtual uint32_t GetSerializedSize(void) const
virtual void Deserialize(TagBuffer i)
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:176
TAG_BUFFER_INLINE void WriteU8(uint8_t v)
Definition: tag-buffer.h:172
void Write(const uint8_t *buffer, uint32_t size)
Definition: tag-buffer.cc:125
TAG_BUFFER_INLINE uint8_t ReadU8(void)
Definition: tag-buffer.h:195
tag a set of bytes in a packet
Definition: tag.h:37
a unique identifier for an interface.
Definition: type-id.h:59
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Definition: type-id.cc:922
Every class exported by the ns3 library is enclosed in the ns3 namespace.