A Discrete-Event Network Simulator
API
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mu-snr-tag.cc
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1/*
2 * Copyright (c) 2021 Universita' degli Studi di Napoli Federico II
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 * Author: Stefano Avallone <stavallo@unina.it>
18 */
19
20#include "mu-snr-tag.h"
21
22namespace ns3
23{
24
26
27TypeId
29{
30 static TypeId tid =
31 TypeId("ns3::MuSnrTag").SetParent<Tag>().SetGroupName("Wifi").AddConstructor<MuSnrTag>();
32 return tid;
33}
34
37{
38 return GetTypeId();
39}
40
42{
43}
44
45void
47{
48 m_snrMap.clear();
49}
50
51void
52MuSnrTag::Set(uint16_t staId, double snr)
53{
54 m_snrMap[staId] = snr;
55}
56
57bool
58MuSnrTag::IsPresent(uint16_t staId) const
59{
60 return m_snrMap.contains(staId);
61}
62
63double
64MuSnrTag::Get(uint16_t staId) const
65{
66 NS_ASSERT(IsPresent(staId));
67 return m_snrMap.at(staId);
68}
69
72{
73 return (sizeof(uint16_t) + sizeof(double)) * m_snrMap.size() + 1;
74}
75
76void
78{
79 i.WriteU8(m_snrMap.size());
80
81 for (const auto& staIdSnrPair : m_snrMap)
82 {
83 i.WriteU16(staIdSnrPair.first);
84 i.WriteDouble(staIdSnrPair.second);
85 }
86}
87
88void
90{
91 uint8_t n = i.ReadU8();
92 for (uint8_t j = 0; j < n; j++)
93 {
94 uint16_t staId = i.ReadU16();
95 double snr = i.ReadDouble();
96 m_snrMap.insert({staId, snr});
97 }
98}
99
100void
101MuSnrTag::Print(std::ostream& os) const
102{
103 for (const auto& staIdSnrPair : m_snrMap)
104 {
105 os << "{STA-ID=" << staIdSnrPair.first << " Snr=" << staIdSnrPair.second << "} ";
106 }
107 os << std::endl;
108}
109
110} // namespace ns3
A tag to be attached to a response to a multi-user UL frame, that carries the SNR values with which t...
Definition: mu-snr-tag.h:37
std::map< uint16_t, double > m_snrMap
Map containing (STA-ID, SNR) pairs.
Definition: mu-snr-tag.h:83
void Print(std::ostream &os) const override
Definition: mu-snr-tag.cc:101
void Reset()
Reset the content of the tag.
Definition: mu-snr-tag.cc:46
static TypeId GetTypeId()
Get the type ID.
Definition: mu-snr-tag.cc:28
double Get(uint16_t staId) const
Return the SNR value for the given sender.
Definition: mu-snr-tag.cc:64
bool IsPresent(uint16_t staId) const
Return true if the SNR value for the given STA-ID is present.
Definition: mu-snr-tag.cc:58
void Serialize(TagBuffer i) const override
Definition: mu-snr-tag.cc:77
void Set(uint16_t staId, double snr)
Set the SNR for the given sender to the given value.
Definition: mu-snr-tag.cc:52
uint32_t GetSerializedSize() const override
Definition: mu-snr-tag.cc:71
void Deserialize(TagBuffer i) override
Definition: mu-snr-tag.cc:89
MuSnrTag()
Create an empty MuSnrTag.
Definition: mu-snr-tag.cc:41
TypeId GetInstanceTypeId() const override
Get the most derived TypeId for this Object.
Definition: mu-snr-tag.cc:36
read and write tag data
Definition: tag-buffer.h:52
void WriteDouble(double v)
Definition: tag-buffer.cc:118
TAG_BUFFER_INLINE void WriteU8(uint8_t v)
Definition: tag-buffer.h:172
TAG_BUFFER_INLINE uint8_t ReadU8()
Definition: tag-buffer.h:196
TAG_BUFFER_INLINE uint16_t ReadU16()
Definition: tag-buffer.h:206
double ReadDouble()
Definition: tag-buffer.cc:170
TAG_BUFFER_INLINE void WriteU16(uint16_t v)
Definition: tag-buffer.h:180
tag a set of bytes in a packet
Definition: tag.h:39
a unique identifier for an interface.
Definition: type-id.h:59
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Definition: type-id.cc:932
#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
Every class exported by the ns3 library is enclosed in the ns3 namespace.