A Discrete-Event Network Simulator
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dot11s-mac-header.cc
Go to the documentation of this file.
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/*
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* Copyright (c) 2009 IITP RAS
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*
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* SPDX-License-Identifier: GPL-2.0-only
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*
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* Author: Kirill Andreev <andreev@iitp.ru>
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*/
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#include "
dot11s-mac-header.h
"
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#include "ns3/address-utils.h"
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#include "ns3/assert.h"
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#include "ns3/packet.h"
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namespace
ns3
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{
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namespace
dot11s
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{
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/***********************************************************
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* Here Mesh Mac Header functionality is defined.
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***********************************************************/
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TypeId
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MeshHeader::GetTypeId
()
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{
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static
TypeId
tid =
TypeId
(
"ns3::dot11s::MeshHeader"
)
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.
SetParent
<
Header
>()
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.SetGroupName(
"Mesh"
)
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.AddConstructor<
MeshHeader
>();
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return
tid;
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}
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MeshHeader::MeshHeader
()
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: m_meshFlags(0),
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m_meshTtl(0),
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m_meshSeqno(0),
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m_addr4(
Mac48Address
()),
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m_addr5(
Mac48Address
()),
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m_addr6(
Mac48Address
())
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{
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}
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MeshHeader::~MeshHeader
()
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{
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}
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TypeId
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MeshHeader::GetInstanceTypeId
()
const
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{
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return
GetTypeId
();
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}
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void
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MeshHeader::SetAddr4
(
Mac48Address
address)
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{
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m_addr4
= address;
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}
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void
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MeshHeader::SetAddr5
(
Mac48Address
address)
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{
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m_addr5
= address;
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}
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void
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MeshHeader::SetAddr6
(
Mac48Address
address)
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{
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m_addr6
= address;
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}
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Mac48Address
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MeshHeader::GetAddr4
()
const
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{
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return
m_addr4
;
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}
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Mac48Address
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MeshHeader::GetAddr5
()
const
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{
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return
m_addr5
;
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}
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Mac48Address
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MeshHeader::GetAddr6
()
const
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{
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return
m_addr6
;
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}
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void
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MeshHeader::SetMeshSeqno
(
uint32_t
seqno)
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{
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m_meshSeqno
= seqno;
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}
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uint32_t
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MeshHeader::GetMeshSeqno
()
const
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{
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return
m_meshSeqno
;
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}
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void
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MeshHeader::SetMeshTtl
(uint8_t TTL)
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{
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m_meshTtl
= TTL;
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}
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uint8_t
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MeshHeader::GetMeshTtl
()
const
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{
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return
m_meshTtl
;
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}
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void
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MeshHeader::SetAddressExt
(uint8_t value)
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{
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NS_ASSERT
(value <= 3);
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m_meshFlags
|= 0x03 & value;
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}
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uint8_t
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MeshHeader::GetAddressExt
()
const
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{
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return
(0x03 &
m_meshFlags
);
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}
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uint32_t
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MeshHeader::GetSerializedSize
()
const
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{
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return
6 +
GetAddressExt
() * 6;
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}
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void
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MeshHeader::Serialize
(
Buffer::Iterator
start)
const
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{
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Buffer::Iterator
i = start;
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i.
WriteU8
(
m_meshFlags
);
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i.
WriteU8
(
m_meshTtl
);
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i.
WriteHtolsbU32
(
m_meshSeqno
);
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uint8_t addresses_to_add =
GetAddressExt
();
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// Writing Address extensions:
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if
((addresses_to_add == 1) || (addresses_to_add == 3))
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{
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WriteTo
(i,
m_addr4
);
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}
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if
(addresses_to_add > 1)
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{
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WriteTo
(i,
m_addr5
);
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}
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if
(addresses_to_add > 1)
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{
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WriteTo
(i,
m_addr6
);
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}
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}
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uint32_t
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MeshHeader::Deserialize
(
Buffer::Iterator
start)
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{
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Buffer::Iterator
i = start;
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uint8_t addresses_to_read = 0;
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m_meshFlags
= i.
ReadU8
();
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m_meshTtl
= i.
ReadU8
();
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m_meshSeqno
= i.
ReadLsbtohU32
();
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addresses_to_read =
m_meshFlags
& 0x03;
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if
((addresses_to_read == 1) || (addresses_to_read == 3))
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{
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ReadFrom
(i,
m_addr4
);
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}
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if
(addresses_to_read > 1)
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{
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ReadFrom
(i,
m_addr5
);
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}
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if
(addresses_to_read > 1)
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{
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ReadFrom
(i,
m_addr6
);
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}
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return
i.
GetDistanceFrom
(start);
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}
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void
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MeshHeader::Print
(std::ostream& os)
const
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{
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os <<
"flags="
<< (uint16_t)
m_meshFlags
<<
", ttl="
<< (uint16_t)
m_meshTtl
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<<
", seqno="
<<
m_meshSeqno
<<
", addr4="
<<
m_addr4
<<
", addr5="
<<
m_addr5
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<<
", addr6="
<<
m_addr6
;
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}
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bool
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operator==
(
const
MeshHeader
& a,
const
MeshHeader
& b)
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{
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return
((a.
m_meshFlags
== b.
m_meshFlags
) && (a.
m_meshTtl
== b.
m_meshTtl
) &&
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(a.
m_meshSeqno
== b.
m_meshSeqno
) && (a.
m_addr4
== b.
m_addr4
) &&
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(a.
m_addr5
== b.
m_addr5
) && (a.
m_addr6
== b.
m_addr6
));
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}
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}
// namespace dot11s
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}
// namespace ns3
ns3::Buffer::Iterator
iterator in a Buffer instance
Definition
buffer.h:89
ns3::Buffer::Iterator::ReadU8
uint8_t ReadU8()
Definition
buffer.h:1016
ns3::Buffer::Iterator::WriteU8
void WriteU8(uint8_t data)
Definition
buffer.h:870
ns3::Buffer::Iterator::WriteHtolsbU32
void WriteHtolsbU32(uint32_t data)
Definition
buffer.cc:899
ns3::Buffer::Iterator::GetDistanceFrom
uint32_t GetDistanceFrom(const Iterator &o) const
Definition
buffer.cc:769
ns3::Buffer::Iterator::ReadLsbtohU32
uint32_t ReadLsbtohU32()
Definition
buffer.cc:1065
ns3::Header
Protocol header serialization and deserialization.
Definition
header.h:33
ns3::Mac48Address
an EUI-48 address
Definition
mac48-address.h:35
ns3::TypeId
a unique identifier for an interface.
Definition
type-id.h:48
ns3::TypeId::SetParent
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Definition
type-id.cc:1001
ns3::dot11s::MeshHeader
Mesh Control field, see Section 8.2.4.7.3 IEEE 802.11-2012.
Definition
dot11s-mac-header.h:27
ns3::dot11s::MeshHeader::MeshHeader
MeshHeader()
Definition
dot11s-mac-header.cc:32
ns3::dot11s::MeshHeader::SetAddr6
void SetAddr6(Mac48Address address)
Set extended address 6.
Definition
dot11s-mac-header.cc:65
ns3::dot11s::MeshHeader::SetMeshSeqno
void SetMeshSeqno(uint32_t seqno)
Set four-byte mesh sequence number.
Definition
dot11s-mac-header.cc:89
ns3::dot11s::MeshHeader::Serialize
void Serialize(Buffer::Iterator start) const override
Definition
dot11s-mac-header.cc:132
ns3::dot11s::MeshHeader::GetInstanceTypeId
TypeId GetInstanceTypeId() const override
Get the most derived TypeId for this Object.
Definition
dot11s-mac-header.cc:47
ns3::dot11s::MeshHeader::m_addr6
Mac48Address m_addr6
MAC address 6.
Definition
dot11s-mac-header.h:115
ns3::dot11s::MeshHeader::GetMeshSeqno
uint32_t GetMeshSeqno() const
Get the four-byte mesh sequence number.
Definition
dot11s-mac-header.cc:95
ns3::dot11s::MeshHeader::~MeshHeader
~MeshHeader() override
Definition
dot11s-mac-header.cc:42
ns3::dot11s::MeshHeader::SetMeshTtl
void SetMeshTtl(uint8_t TTL)
Set mesh TTL subfield corresponding to the remaining number of hops the MSDU/MMPDU is forwarded.
Definition
dot11s-mac-header.cc:101
ns3::dot11s::MeshHeader::m_addr4
Mac48Address m_addr4
MAC address 4.
Definition
dot11s-mac-header.h:113
ns3::dot11s::MeshHeader::Deserialize
uint32_t Deserialize(Buffer::Iterator start) override
Definition
dot11s-mac-header.cc:155
ns3::dot11s::MeshHeader::GetTypeId
static TypeId GetTypeId()
Get the type ID.
Definition
dot11s-mac-header.cc:23
ns3::dot11s::MeshHeader::Print
void Print(std::ostream &os) const override
Definition
dot11s-mac-header.cc:179
ns3::dot11s::MeshHeader::GetAddr5
Mac48Address GetAddr5() const
Get extended address 5.
Definition
dot11s-mac-header.cc:77
ns3::dot11s::MeshHeader::GetAddr4
Mac48Address GetAddr4() const
Get extended address 4.
Definition
dot11s-mac-header.cc:71
ns3::dot11s::MeshHeader::m_meshFlags
uint8_t m_meshFlags
mesh flags
Definition
dot11s-mac-header.h:110
ns3::dot11s::MeshHeader::GetSerializedSize
uint32_t GetSerializedSize() const override
Definition
dot11s-mac-header.cc:126
ns3::dot11s::MeshHeader::GetAddr6
Mac48Address GetAddr6() const
Get extended address 6.
Definition
dot11s-mac-header.cc:83
ns3::dot11s::MeshHeader::GetAddressExt
uint8_t GetAddressExt() const
Get Address Extension Mode.
Definition
dot11s-mac-header.cc:120
ns3::dot11s::MeshHeader::SetAddressExt
void SetAddressExt(uint8_t num_of_addresses)
Set Address Extension Mode.
Definition
dot11s-mac-header.cc:113
ns3::dot11s::MeshHeader::SetAddr5
void SetAddr5(Mac48Address address)
Set extended address 5.
Definition
dot11s-mac-header.cc:59
ns3::dot11s::MeshHeader::SetAddr4
void SetAddr4(Mac48Address address)
Set extended address 4.
Definition
dot11s-mac-header.cc:53
ns3::dot11s::MeshHeader::m_meshTtl
uint8_t m_meshTtl
mesh TTL
Definition
dot11s-mac-header.h:111
ns3::dot11s::MeshHeader::GetMeshTtl
uint8_t GetMeshTtl() const
Get mesh TTL function subfield value.
Definition
dot11s-mac-header.cc:107
ns3::dot11s::MeshHeader::m_addr5
Mac48Address m_addr5
MAC address 5.
Definition
dot11s-mac-header.h:114
ns3::dot11s::MeshHeader::m_meshSeqno
uint32_t m_meshSeqno
mesh sequence no
Definition
dot11s-mac-header.h:112
uint32_t
dot11s-mac-header.h
NS_ASSERT
#define NS_ASSERT(condition)
At runtime, in debugging builds, if this condition is not true, the program prints the source file,...
Definition
assert.h:55
ns3::dot11s::operator==
bool operator==(const MeshHeader &a, const MeshHeader &b)
Definition
dot11s-mac-header.cc:187
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.
ns3::WriteTo
void WriteTo(Buffer::Iterator &i, Ipv4Address ad)
Write an Ipv4Address to a Buffer.
Definition
address-utils.cc:21
ns3::ReadFrom
void ReadFrom(Buffer::Iterator &i, Ipv4Address &ad)
Read an Ipv4Address from a Buffer.
Definition
address-utils.cc:74
src
mesh
model
dot11s
dot11s-mac-header.cc
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