Implements the unique identifier for DHCPv6. More...

#include "dhcp6-duid.h"

Collaboration diagram for ns3::Duid:

Classes
class	DuidHash
	Class providing a hash for DUIDs. More...

Public Types
enum class	Type { LLT = 1 , EN , LL , UUID }
	DUID type. More...

Public Member Functions
uint32_t	Deserialize (Buffer::Iterator start, uint32_t len)
	Deserialize the DUID.
Type	GetDuidType () const
	Get the DUID type.
uint16_t	GetHardwareType () const
	Get the hardware type.
std::vector< uint8_t >	GetIdentifier () const
	Return the identifier of the node.
uint8_t	GetLength () const
	Get the length of the DUID.
uint32_t	GetSerializedSize () const
	Get the DUID serialized size.
Time	GetTime () const
	Get the time at which the DUID is generated.
void	Initialize (Ptr< Node > node)
	Initialize the DUID for a client or server.
bool	IsInvalid () const
	Check if the DUID is invalid.
std::strong_ordering	operator<=> (const Duid &other) const =default
	Spaceship comparison operator.
void	Serialize (Buffer::Iterator start) const
	Serialize the DUID.
void	SetDuid (std::vector< uint8_t > identifier)
	Set the identifier as the DUID.
void	SetDuidType (Type duidType)
	Set the DUID type.
void	SetHardwareType (uint16_t hardwareType)
	Set the hardware type.
void	SetTime (Time time)
	Set the time at which DUID is generated.

Private Attributes
Type	m_duidType {Duid::Type::LL}
	Type of the DUID.
uint16_t	m_hardwareType {0}
	Valid hardware type assigned by IANA.
std::vector< uint8_t >	m_identifier {}
	Identifier of the node in bytes.
uint32_t	m_time {0}
	Time at which the DUID is generated.

Detailed Description

Implements the unique identifier for DHCPv6.

Definition at line 26 of file dhcp6-duid.h.

Member Enumeration Documentation

◆ Type

enum class ns3::Duid::Type

strong

DUID type.

Enumerator
LLT
EN
LL
UUID

Definition at line 30 of file dhcp6-duid.h.

Member Function Documentation

◆ Deserialize()

uint32_t ns3::Duid::Deserialize	(	Buffer::Iterator	start,
		uint32_t	len )

Deserialize the DUID.

Parameters

start	The buffer iterator.
len	The number of bytes to be read.

Returns: The number of bytes read.

Definition at line 188 of file dhcp6-duid.cc.

References GetSerializedSize(), LL, LLT, m_duidType, m_hardwareType, m_identifier, m_time, NS_ASSERT_MSG, ns3::Buffer::Iterator::ReadNtohU16(), ns3::Buffer::Iterator::ReadNtohU32(), and ns3::Buffer::Iterator::ReadU8().

Referenced by ns3::Dhcp6Header::Deserialize().

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◆ GetDuidType()

Duid::Type ns3::Duid::GetDuidType ( ) const

Get the DUID type.

Returns: the DUID type.

Definition at line 43 of file dhcp6-duid.cc.

References m_duidType.

Referenced by ns3::Dhcp6Header::AddIdentifierOption().

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◆ GetHardwareType()

uint16_t ns3::Duid::GetHardwareType ( ) const

Get the hardware type.

Returns: the hardware type

Definition at line 57 of file dhcp6-duid.cc.

References m_hardwareType.

◆ GetIdentifier()

std::vector< uint8_t > ns3::Duid::GetIdentifier ( ) const

Return the identifier of the node.

Returns: the identifier.

Definition at line 37 of file dhcp6-duid.cc.

References m_identifier.

◆ GetLength()

uint8_t ns3::Duid::GetLength ( ) const

Get the length of the DUID.

Returns: the DUID length.

Definition at line 31 of file dhcp6-duid.cc.

References m_identifier.

Referenced by ns3::Dhcp6Header::AddIdentifierOption().

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◆ GetSerializedSize()

uint32_t ns3::Duid::GetSerializedSize ( ) const

Get the DUID serialized size.

Returns: The DUID serialized sized in bytes.

Definition at line 161 of file dhcp6-duid.cc.

References LLT, m_duidType, and m_identifier.

Referenced by Deserialize(), and ns3::Dhcp6Header::Serialize().

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◆ GetTime()

Time ns3::Duid::GetTime ( ) const

Get the time at which the DUID is generated.

Returns: the timestamp.

Definition at line 141 of file dhcp6-duid.cc.

References m_time, and ns3::Seconds().

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◆ Initialize()

void ns3::Duid::Initialize ( Ptr< Node > node )

Initialize the DUID for a client or server.

Parameters

node	The node for which the DUID is to be generated.

Definition at line 96 of file dhcp6-duid.cc.

References ns3::Address::CopyTo(), ns3::DynamicCast(), ns3::Address::GetLength(), ns3::Address::IsInvalid(), NS_ASSERT_MSG, NS_LOG_DEBUG, and SetDuid().

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◆ IsInvalid()

bool ns3::Duid::IsInvalid ( ) const

Check if the DUID is invalid.

Returns: true if the DUID is invalid.

Definition at line 25 of file dhcp6-duid.cc.

References m_identifier.

◆ operator<=>()

std::strong_ordering ns3::Duid::operator<=> ( const Duid & other ) const

default

Spaceship comparison operator.

All the other comparison operators are automatically generated from this one.

Parameters

other DUID to compare to this one

Returns: The result of the comparison.

◆ Serialize()

void ns3::Duid::Serialize ( Buffer::Iterator start ) const

Serialize the DUID.

Parameters

start The buffer iterator.

Definition at line 171 of file dhcp6-duid.cc.

References LLT, m_duidType, m_hardwareType, m_identifier, m_time, ns3::Buffer::Iterator::WriteHtonU16(), ns3::Buffer::Iterator::WriteHtonU32(), and ns3::Buffer::Iterator::WriteU8().

Referenced by ns3::Dhcp6Header::Serialize().

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◆ SetDuid()

void ns3::Duid::SetDuid ( std::vector< uint8_t > identifier )

Set the identifier as the DUID.

Parameters

identifier the identifier of the node.

Definition at line 70 of file dhcp6-duid.cc.

References LL, m_duidType, m_identifier, NS_ASSERT_MSG, NS_LOG_FUNCTION, and SetHardwareType().

Referenced by Initialize().

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◆ SetDuidType()

void ns3::Duid::SetDuidType ( Duid::Type duidType )

Set the DUID type.

Parameters

duidType the DUID type.

Definition at line 49 of file dhcp6-duid.cc.

References LL, LLT, m_duidType, and NS_ASSERT_MSG.

◆ SetHardwareType()

void ns3::Duid::SetHardwareType ( uint16_t hardwareType )

Set the hardware type.

Parameters

hardwareType the hardware type.

Definition at line 63 of file dhcp6-duid.cc.

References m_hardwareType, and NS_LOG_FUNCTION.

Referenced by SetDuid().

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◆ SetTime()

void ns3::Duid::SetTime ( Time time )

Set the time at which DUID is generated.

Parameters

time	the timestamp.

Definition at line 150 of file dhcp6-duid.cc.

References ns3::Time::GetSeconds(), m_time, and NS_LOG_FUNCTION.

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Member Data Documentation

◆ m_duidType

Type ns3::Duid::m_duidType {Duid::Type::LL}

private

Type of the DUID.

We currently use only DUID-LL, based on the link-layer address.

Definition at line 158 of file dhcp6-duid.h.

Referenced by Deserialize(), GetDuidType(), GetSerializedSize(), Serialize(), SetDuid(), and SetDuidType().

◆ m_hardwareType

uint16_t ns3::Duid::m_hardwareType {0}

private

Valid hardware type assigned by IANA.

Definition at line 160 of file dhcp6-duid.h.

Referenced by Deserialize(), GetHardwareType(), Serialize(), and SetHardwareType().

◆ m_identifier

std::vector<uint8_t> ns3::Duid::m_identifier {}

private

Identifier of the node in bytes.

Definition at line 162 of file dhcp6-duid.h.

Referenced by Deserialize(), GetIdentifier(), GetLength(), GetSerializedSize(), IsInvalid(), Serialize(), and SetDuid().

◆ m_time

uint32_t ns3::Duid::m_time {0}

private

Time at which the DUID is generated.

Used in DUID-LLT.

Definition at line 161 of file dhcp6-duid.h.

Referenced by Deserialize(), GetTime(), Serialize(), and SetTime().

The documentation for this class was generated from the following files:

src/internet-apps/model/dhcp6-duid.h
src/internet-apps/model/dhcp6-duid.cc

Classes

Public Types

Public Member Functions

Private Attributes

Detailed Description

Member Enumeration Documentation

◆ Type

Member Function Documentation

◆ Deserialize()

◆ GetDuidType()

◆ GetHardwareType()

◆ GetIdentifier()

◆ GetLength()

◆ GetSerializedSize()

◆ GetTime()

◆ Initialize()

◆ IsInvalid()

◆ operator<=>()

◆ Serialize()

◆ SetDuid()

◆ SetDuidType()

◆ SetHardwareType()

◆ SetTime()

Member Data Documentation

◆ m_duidType

◆ m_hardwareType

◆ m_identifier

◆ m_time