A Discrete-Event Network Simulator
API
ampdu-tag.cc
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1 /*
2  * Copyright (c) 2013
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: Ghada Badawy <gbadawy@gmail.com>
18  * Sébastien Deronne <sebastien.deronne@gmail.com>
19  */
20 
21 #include "ampdu-tag.h"
22 
23 namespace ns3
24 {
25 
27 
28 TypeId
30 {
31  static TypeId tid =
32  TypeId("ns3::AmpduTag").SetParent<Tag>().SetGroupName("Wifi").AddConstructor<AmpduTag>();
33  return tid;
34 }
35 
36 TypeId
38 {
39  return GetTypeId();
40 }
41 
43  : m_nbOfMpdus(0),
44  m_duration(Seconds(0))
45 {
46 }
47 
48 void
50 {
51  m_nbOfMpdus = nbOfMpdus;
52 }
53 
54 void
56 {
58  m_duration = duration;
59 }
60 
61 uint32_t
63 {
64  return (1 + sizeof(Time));
65 }
66 
67 void
69 {
71  int64_t duration = m_duration.GetTimeStep();
72  i.Write((const uint8_t*)&duration, sizeof(int64_t));
73 }
74 
75 void
77 {
78  m_nbOfMpdus = i.ReadU8();
79  int64_t duration;
80  i.Read((uint8_t*)&duration, sizeof(int64_t));
81  m_duration = Time(duration);
82 }
83 
84 uint8_t
86 {
87  return m_nbOfMpdus;
88 }
89 
90 Time
92 {
93  return m_duration;
94 }
95 
96 void
97 AmpduTag::Print(std::ostream& os) const
98 {
99  os << "Remaining number of MPDUs=" << m_nbOfMpdus
100  << " Remaining A-MPDU duration=" << m_duration;
101 }
102 
103 } // namespace ns3
The aim of the AmpduTag is to provide means for a MAC to specify that a packet includes A-MPDU since ...
Definition: ampdu-tag.h:37
uint32_t GetSerializedSize() const override
Definition: ampdu-tag.cc:62
AmpduTag()
Create a AmpduTag with the default =0 no A-MPDU.
Definition: ampdu-tag.cc:42
void SetRemainingNbOfMpdus(uint8_t nbOfMpdus)
Definition: ampdu-tag.cc:49
Time m_duration
Remaining duration of the A-MPDU.
Definition: ampdu-tag.h:83
static TypeId GetTypeId()
Get the type ID.
Definition: ampdu-tag.cc:29
Time GetRemainingAmpduDuration() const
Definition: ampdu-tag.cc:91
void Deserialize(TagBuffer i) override
Definition: ampdu-tag.cc:76
void SetRemainingAmpduDuration(Time duration)
Definition: ampdu-tag.cc:55
void Serialize(TagBuffer i) const override
Definition: ampdu-tag.cc:68
void Print(std::ostream &os) const override
Definition: ampdu-tag.cc:97
uint8_t GetRemainingNbOfMpdus() const
Definition: ampdu-tag.cc:85
uint8_t m_nbOfMpdus
Remaining number of MPDUs in the A-MPDU.
Definition: ampdu-tag.h:82
TypeId GetInstanceTypeId() const override
Get the most derived TypeId for this Object.
Definition: ampdu-tag.cc:37
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
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:105
int64_t GetTimeStep() const
Get the raw time value, in the current resolution unit.
Definition: nstime.h:445
a unique identifier for an interface.
Definition: type-id.h:59
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Definition: type-id.cc:931
#define NS_ASSERT(condition)
At runtime, in debugging builds, if this condition is not true, the program prints the source file,...
Definition: assert.h:66
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
Definition: object-base.h:46
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1326
Time MilliSeconds(uint64_t value)
Construct a Time in the indicated unit.
Definition: nstime.h:1338
void(* Time)(Time oldValue, Time newValue)
TracedValue callback signature for Time.
Definition: nstime.h:839
Every class exported by the ns3 library is enclosed in the ns3 namespace.