A Discrete-Event Network Simulator
API
hwmp-tag.cc
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2008,2009 IITP RAS
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: Kirill Andreev <andreev@iitp.ru>
19  */
20 
21 #include "hwmp-tag.h"
22 
23 namespace ns3 {
24 namespace dot11s {
25 
27 
28 //Class HwmpTag:
30  m_address (Mac48Address::GetBroadcast ()), m_ttl (0), m_metric (0), m_seqno (0)
31 {
32 }
33 
35 {
36 }
37 
38 void
40 {
41  m_address = retransmitter;
42 }
43 
46 {
47  return m_address;
48 }
49 
50 void
51 HwmpTag::SetTtl (uint8_t ttl)
52 {
53  m_ttl = ttl;
54 }
55 
56 uint8_t
58 {
59  return m_ttl;
60 }
61 
62 void
63 HwmpTag::SetMetric (uint32_t metric)
64 {
65  m_metric = metric;
66 }
67 
68 uint32_t
70 {
71  return m_metric;
72 }
73 
74 void
75 HwmpTag::SetSeqno (uint32_t seqno)
76 {
77  m_seqno = seqno;
78 }
79 
80 uint32_t
82 {
83  return m_seqno;
84 }
85 
90 TypeId
92 {
93  static TypeId tid = TypeId ("ns3::dot11s::HwmpTag")
94  .SetParent<Tag> ()
95  .SetGroupName ("Mesh")
96  .AddConstructor<HwmpTag> ()
97  ;
98  return tid;
99 }
100 
101 TypeId
103 {
104  return GetTypeId ();
105 }
106 
107 uint32_t
109 {
110  return 6 //address
111  + 1 //ttl
112  + 4 //metric
113  + 4; //seqno
114 }
115 
116 void
118 {
119  uint8_t address[6];
120  int j;
122  i.WriteU8 (m_ttl);
123  i.WriteU32 (m_metric);
124  i.WriteU32 (m_seqno);
125  for (j = 0; j < 6; j++)
126  {
127  i.WriteU8 (address[j]);
128  }
129 }
130 
131 void
133 {
134  uint8_t address[6];
135  int j;
136  m_ttl = i.ReadU8 ();
137  m_metric = i.ReadU32 ();
138  m_seqno = i.ReadU32 ();
139  for (j = 0; j < 6; j++)
140  {
141  address[j] = i.ReadU8 ();
142  }
144 }
145 
146 void
147 HwmpTag::Print (std::ostream &os) const
148 {
149  os << "address=" << m_address;
150  os << "ttl=" << m_ttl;
151  os << "metrc=" << m_metric;
152  os << "seqno=" << m_seqno;
153 }
154 void
156 {
157  m_ttl--;
158 }
159 } // namespace dot11s
160 } // namespace ns3
Hwmp tag implements interaction between HWMP protocol and MeshWifiMac.
Definition: hwmp-tag.h:48
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
Definition: object-base.h:45
uint8_t m_ttl
TTL.
Definition: hwmp-tag.h:108
TAG_BUFFER_INLINE uint32_t ReadU32(void)
Definition: tag-buffer.h:215
static TypeId GetTypeId()
Get the type ID.
Definition: hwmp-tag.cc:91
uint32_t GetSeqno()
Get the sequence number.
Definition: hwmp-tag.cc:81
virtual void Serialize(TagBuffer i) const
Definition: hwmp-tag.cc:117
void SetTtl(uint8_t ttl)
Set the TTL value.
Definition: hwmp-tag.cc:51
TAG_BUFFER_INLINE uint8_t ReadU8(void)
Definition: tag-buffer.h:195
void SetAddress(Mac48Address retransmitter)
Set address.
Definition: hwmp-tag.cc:39
Mac48Address GetAddress()
Get address from tag.
Definition: hwmp-tag.cc:45
void CopyTo(uint8_t buffer[6]) const
TAG_BUFFER_INLINE void WriteU32(uint32_t v)
Definition: tag-buffer.h:186
virtual TypeId GetInstanceTypeId() const
Get the most derived TypeId for this Object.
Definition: hwmp-tag.cc:102
tag a set of bytes in a packet
Definition: tag.h:36
virtual uint32_t GetSerializedSize() const
Definition: hwmp-tag.cc:108
Every class exported by the ns3 library is enclosed in the ns3 namespace.
address
Definition: first.py:37
an EUI-48 address
Definition: mac48-address.h:43
void SetMetric(uint32_t metric)
Set the metric value.
Definition: hwmp-tag.cc:63
TAG_BUFFER_INLINE void WriteU8(uint8_t v)
Definition: tag-buffer.h:172
void CopyFrom(const uint8_t buffer[6])
uint8_t GetTtl()
Get the TTL value.
Definition: hwmp-tag.cc:57
read and write tag data
Definition: tag-buffer.h:51
Mac48Address m_address
address
Definition: hwmp-tag.h:107
uint32_t GetMetric()
Get the metric value.
Definition: hwmp-tag.cc:69
void DecrementTtl()
Decrement TTL.
Definition: hwmp-tag.cc:155
uint32_t m_metric
metric
Definition: hwmp-tag.h:109
uint32_t m_seqno
sequence no
Definition: hwmp-tag.h:110
void SetSeqno(uint32_t seqno)
Set sequence number.
Definition: hwmp-tag.cc:75
virtual void Print(std::ostream &os) const
Definition: hwmp-tag.cc:147
virtual void Deserialize(TagBuffer i)
Definition: hwmp-tag.cc:132
a unique identifier for an interface.
Definition: type-id.h:58
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Definition: type-id.cc:915