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ipv6-packet-info-tag.cc
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 
28 Ipv6PacketInfoTag::Ipv6PacketInfoTag ()
29  : m_addr (Ipv6Address ()),
30  m_ifindex (0),
31  m_hoplimit (0),
32  m_tclass (0)
33 {
34 }
35 
36 void
37 Ipv6PacketInfoTag::SetAddress (Ipv6Address addr)
38 {
39  m_addr = addr;
40 }
41 
42 Ipv6Address
43 Ipv6PacketInfoTag::GetAddress (void) const
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
55 Ipv6PacketInfoTag::GetRecvIf (void) const
56 {
57  return m_ifindex;
58 }
59 
60 void
61 Ipv6PacketInfoTag::SetHoplimit (uint8_t ttl)
62 {
63  m_hoplimit = ttl;
64 }
65 
66 uint8_t
67 Ipv6PacketInfoTag::GetHoplimit (void) const
68 {
69  return m_hoplimit;
70 }
71 
72 void
73 Ipv6PacketInfoTag::SetTrafficClass (uint8_t tclass)
74 {
75  m_tclass = tclass;
76 }
77 
78 uint8_t
79 Ipv6PacketInfoTag::GetTrafficClass (void) const
80 {
81  return m_tclass;
82 }
83 
84 
85 TypeId
86 Ipv6PacketInfoTag::GetTypeId (void)
87 {
88  static TypeId tid = TypeId ("ns3::Ipv6PacketInfoTag")
89  .SetParent<Tag> ()
90  .AddConstructor<Ipv6PacketInfoTag> ()
91  ;
92  return tid;
93 }
94 TypeId
96 {
97  return GetTypeId ();
98 }
99 
100 uint32_t
102 {
103  return 16
104  + sizeof (uint8_t)
105  + sizeof (uint8_t)
106  + sizeof (uint8_t);
107 }
108 void
110 {
111  uint8_t buf[16];
112  m_addr.Serialize (buf);
113  i.Write (buf, 16);
114  i.WriteU8 (m_ifindex);
115  i.WriteU8 (m_hoplimit);
116  i.WriteU8 (m_tclass);
117 }
118 void
120 {
121  uint8_t buf[16];
122  i.Read (buf, 16);
123  m_addr = Ipv6Address::Deserialize (buf);
124  m_ifindex = i.ReadU8 ();
125  m_hoplimit = i.ReadU8 ();
126  m_tclass = i.ReadU8 ();
127 }
128 void
129 Ipv6PacketInfoTag::Print (std::ostream &os) const
130 {
131  os << "Ipv6 PKTINFO [DestAddr: " << m_addr;
132  os << ", RecvIf:" << (uint32_t) m_ifindex;
133  os << ", TTL:" << (uint32_t) m_hoplimit;
134  os << ", TClass:" << (uint32_t) m_tclass;
135  os << "] ";
136 }
137 } // namespace ns3
138 
void Write(const uint8_t *buffer, uint32_t size)
Definition: tag-buffer.cc:125
virtual TypeId GetInstanceTypeId(void) const
virtual void Print(std::ostream &os) const
static Ipv6Address Deserialize(const uint8_t buf[16])
Deserialize this address.
TAG_BUFFER_INLINE uint8_t ReadU8(void)
Definition: tag-buffer.h:179
virtual uint32_t GetSerializedSize(void) const
virtual void Serialize(TagBuffer i) const
TAG_BUFFER_INLINE void WriteU8(uint8_t v)
Definition: tag-buffer.h:156
read and write tag data
Definition: tag-buffer.h:51
void Read(uint8_t *buffer, uint32_t size)
Definition: tag-buffer.cc:176
virtual void Deserialize(TagBuffer i)
void Serialize(uint8_t buf[16]) const
Serialize this address to a 16-byte buffer.