A Discrete-Event Network Simulator
API
ampdu-tag.cc
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1/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2/*
3 * Copyright (c) 2013
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: Ghada Badawy <gbadawy@gmail.com>
19 * S├ębastien Deronne <sebastien.deronne@gmail.com>
20 */
21
22#include "ampdu-tag.h"
23
24namespace ns3 {
25
27
28TypeId
30{
31 static TypeId tid = TypeId ("ns3::AmpduTag")
32 .SetParent<Tag> ()
33 .SetGroupName ("Wifi")
34 .AddConstructor<AmpduTag> ()
35 ;
36 return tid;
37}
38
41{
42 return GetTypeId ();
43}
44
46 : m_nbOfMpdus (0),
47 m_duration (Seconds(0))
48{
49}
50
51void
53{
54 m_nbOfMpdus = nbOfMpdus;
55}
56
57void
59{
61 m_duration = duration;
62}
63
66{
67 return (1 + sizeof (Time));
68}
69
70void
72{
74 int64_t duration = m_duration.GetTimeStep ();
75 i.Write ((const uint8_t *)&duration, sizeof(int64_t));
76}
77
78void
80{
81 m_nbOfMpdus = i.ReadU8 ();
82 int64_t duration;
83 i.Read ((uint8_t *)&duration, sizeof(int64_t));
84 m_duration = Time (duration);
85}
86
87uint8_t
89{
90 return m_nbOfMpdus;
91}
92
93Time
95{
96 return m_duration;
97}
98
99void
100AmpduTag::Print (std::ostream &os) const
101{
102 os << "Remaining number of MPDUs=" << m_nbOfMpdus
103 << " Remaining A-MPDU duration=" << m_duration;
104}
105
106} //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
uint8_t GetRemainingNbOfMpdus(void) const
Definition: ampdu-tag.cc:88
static TypeId GetTypeId(void)
Get the type ID.
Definition: ampdu-tag.cc:29
uint32_t GetSerializedSize() const override
Definition: ampdu-tag.cc:65
AmpduTag()
Create a AmpduTag with the default =0 no A-MPDU.
Definition: ampdu-tag.cc:45
TypeId GetInstanceTypeId(void) const override
Get the most derived TypeId for this Object.
Definition: ampdu-tag.cc:40
void SetRemainingNbOfMpdus(uint8_t nbOfMpdus)
Definition: ampdu-tag.cc:52
Time m_duration
Remaining duration of the A-MPDU.
Definition: ampdu-tag.h:84
void Deserialize(TagBuffer i) override
Definition: ampdu-tag.cc:79
void SetRemainingAmpduDuration(Time duration)
Definition: ampdu-tag.cc:58
void Serialize(TagBuffer i) const override
Definition: ampdu-tag.cc:71
Time GetRemainingAmpduDuration(void) const
Definition: ampdu-tag.cc:94
void Print(std::ostream &os) const override
Definition: ampdu-tag.cc:100
uint8_t m_nbOfMpdus
Remaining number of MPDUs in the A-MPDU.
Definition: ampdu-tag.h:83
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
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:104
int64_t GetTimeStep(void) const
Get the raw time value, in the current resolution unit.
Definition: nstime.h:416
a unique identifier for an interface.
Definition: type-id.h:59
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Definition: type-id.cc:922
#define NS_ASSERT(condition)
At runtime, in debugging builds, if this condition is not true, the program prints the source file,...
Definition: assert.h:67
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
Definition: object-base.h:45
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1245
Time MilliSeconds(uint64_t value)
Construct a Time in the indicated unit.
Definition: nstime.h:1253
void(* Time)(Time oldValue, Time newValue)
TracedValue callback signature for Time.
Definition: nstime.h:794
Every class exported by the ns3 library is enclosed in the ns3 namespace.