RIPng Routing Protocol, defined in RFC 2080 . More...

#include "ripng.h"

Inheritance diagram for ns3::RipNg:

Collaboration diagram for ns3::RipNg:

Public Types
enum	SplitHorizonType_e { NO_SPLIT_HORIZON , SPLIT_HORIZON , POISON_REVERSE }
	Split Horizon strategy type. More...

Public Types inherited from ns3::Ipv6RoutingProtocol
typedef Callback< void, Ptr< const Packet >, const Ipv6Header &, Socket::SocketErrno >	ErrorCallback
	Callback for routing errors (e.g., no route found)

typedef Callback< void, Ptr< const Packet >, const Ipv6Header &, uint32_t >	LocalDeliverCallback
	Callback for packets to be locally delivered.

typedef Callback< void, Ptr< const NetDevice >, Ptr< Ipv6MulticastRoute >, Ptr< const Packet >, const Ipv6Header & >	MulticastForwardCallback
	Callback for multicast packets to be forwarded.

typedef Callback< void, Ptr< const NetDevice >, Ptr< Ipv6Route >, Ptr< const Packet >, const Ipv6Header & >	UnicastForwardCallback
	Callback for unicast packets to be forwarded.

Public Member Functions
	RipNg ()

	~RipNg () override

void	AddDefaultRouteTo (Ipv6Address nextHop, uint32_t interface)
	Add a default route to the router through the nextHop located on interface.

int64_t	AssignStreams (int64_t stream)
	Assign a fixed random variable stream number to the random variables used by this model.

std::set< uint32_t >	GetInterfaceExclusions () const
	Get the set of interface excluded from the protocol.

uint8_t	GetInterfaceMetric (uint32_t interface) const
	Get the metric for an interface.

void	NotifyAddAddress (uint32_t interface, Ipv6InterfaceAddress address) override
	Notify when specified interface add an address.

void	NotifyAddRoute (Ipv6Address dst, Ipv6Prefix mask, Ipv6Address nextHop, uint32_t interface, Ipv6Address prefixToUse=Ipv6Address::GetZero()) override
	Notify a new route.

void	NotifyInterfaceDown (uint32_t interface) override
	Notify when specified interface goes DOWN.

void	NotifyInterfaceUp (uint32_t interface) override
	Notify when specified interface goes UP.

void	NotifyRemoveAddress (uint32_t interface, Ipv6InterfaceAddress address) override
	Notify when specified interface add an address.

void	NotifyRemoveRoute (Ipv6Address dst, Ipv6Prefix mask, Ipv6Address nextHop, uint32_t interface, Ipv6Address prefixToUse=Ipv6Address::GetZero()) override
	Notify route removing.

void	PrintRoutingTable (Ptr< OutputStreamWrapper > stream, Time::Unit unit=Time::S) const override
	Print the Routing Table entries.

bool	RouteInput (Ptr< const Packet > p, const Ipv6Header &header, Ptr< const NetDevice > idev, const UnicastForwardCallback &ucb, const MulticastForwardCallback &mcb, const LocalDeliverCallback &lcb, const ErrorCallback &ecb) override
	Route an input packet (to be forwarded or locally delivered)

Ptr< Ipv6Route >	RouteOutput (Ptr< Packet > p, const Ipv6Header &header, Ptr< NetDevice > oif, Socket::SocketErrno &sockerr) override
	Query routing cache for an existing route, for an outbound packet.

void	SetInterfaceExclusions (std::set< uint32_t > exceptions)
	Set the set of interface excluded from the protocol.

void	SetInterfaceMetric (uint32_t interface, uint8_t metric)
	Set the metric for an interface.

void	SetIpv6 (Ptr< Ipv6 > ipv6) override
	Typically, invoked directly or indirectly from ns3::Ipv6::SetRoutingProtocol.

Public Member Functions inherited from ns3::Object
	Object ()
	Constructor.

	~Object () override
	Destructor.

void	AggregateObject (Ptr< Object > other)
	Aggregate two Objects together.

void	Dispose ()
	Dispose of this Object.

AggregateIterator	GetAggregateIterator () const
	Get an iterator to the Objects aggregated to this one.

TypeId	GetInstanceTypeId () const override
	Get the most derived TypeId for this Object.

template<typename T >
Ptr< T >	GetObject () const
	Get a pointer to the requested aggregated Object.

template<>
Ptr< Object >	GetObject () const
	Specialization of () for objects of type ns3::Object.

template<typename T >
Ptr< T >	GetObject (TypeId tid) const
	Get a pointer to the requested aggregated Object by TypeId.

template<>
Ptr< Object >	GetObject (TypeId tid) const
	Specialization of (TypeId tid) for objects of type ns3::Object.

void	Initialize ()
	Invoke DoInitialize on all Objects aggregated to this one.

bool	IsInitialized () const
	Check if the object has been initialized.

void	UnidirectionalAggregateObject (Ptr< Object > other)
	Aggregate an Object to another Object.

Public Member Functions inherited from ns3::SimpleRefCount< Object, ObjectBase, ObjectDeleter >
	SimpleRefCount ()
	Default constructor.

	SimpleRefCount (const SimpleRefCount &o)
	Copy constructor.

uint32_t	GetReferenceCount () const
	Get the reference count of the object.

SimpleRefCount &	operator= (const SimpleRefCount &o)
	Assignment operator.

void	Ref () const
	Increment the reference count.

void	Unref () const
	Decrement the reference count.

Public Member Functions inherited from ns3::ObjectBase
virtual	~ObjectBase ()
	Virtual destructor.

void	GetAttribute (std::string name, AttributeValue &value, bool permissive=false) const
	Get the value of an attribute, raising fatal errors if unsuccessful.

bool	GetAttributeFailSafe (std::string name, AttributeValue &value) const
	Get the value of an attribute without raising errors.

void	SetAttribute (std::string name, const AttributeValue &value)
	Set a single attribute, raising fatal errors if unsuccessful.

bool	SetAttributeFailSafe (std::string name, const AttributeValue &value)
	Set a single attribute without raising errors.

bool	TraceConnect (std::string name, std::string context, const CallbackBase &cb)
	Connect a TraceSource to a Callback with a context.

bool	TraceConnectWithoutContext (std::string name, const CallbackBase &cb)
	Connect a TraceSource to a Callback without a context.

bool	TraceDisconnect (std::string name, std::string context, const CallbackBase &cb)
	Disconnect from a TraceSource a Callback previously connected with a context.

bool	TraceDisconnectWithoutContext (std::string name, const CallbackBase &cb)
	Disconnect from a TraceSource a Callback previously connected without a context.

Static Public Member Functions
static TypeId	GetTypeId ()
	Get the type ID.

Static Public Member Functions inherited from ns3::Ipv6RoutingProtocol
static TypeId	GetTypeId ()
	Get the type ID.

Static Public Member Functions inherited from ns3::Object
static TypeId	GetTypeId ()
	Register this type.

Static Public Member Functions inherited from ns3::ObjectBase
static TypeId	GetTypeId ()
	Get the type ID.

Protected Member Functions
void	DoDispose () override
	Dispose this object.

void	DoInitialize () override
	Start protocol operation.

Protected Member Functions inherited from ns3::Object
	Object (const Object &o)
	Copy an Object.

virtual void	NotifyNewAggregate ()
	Notify all Objects aggregated to this one of a new Object being aggregated.

Protected Member Functions inherited from ns3::ObjectBase
void	ConstructSelf (const AttributeConstructionList &attributes)
	Complete construction of ObjectBase; invoked by derived classes.

virtual void	NotifyConstructionCompleted ()
	Notifier called once the ObjectBase is fully constructed.

Private Types
typedef std::list< std::pair< RipNgRoutingTableEntry *, EventId > >	Routes
	Container for the network routes - pair RipNgRoutingTableEntry *, EventId (update event)

typedef std::list< std::pair< RipNgRoutingTableEntry *, EventId > >::const_iterator	RoutesCI
	Const Iterator for container for the network routes.

typedef std::list< std::pair< RipNgRoutingTableEntry *, EventId > >::iterator	RoutesI
	Iterator for container for the network routes.

typedef std::map< Ptr< Socket >, uint32_t >	SocketList
	Socket list type.

typedef std::map< Ptr< Socket >, uint32_t >::const_iterator	SocketListCI
	Socket list type const iterator.

typedef std::map< Ptr< Socket >, uint32_t >::iterator	SocketListI
	Socket list type iterator.

Private Member Functions
void	AddNetworkRouteTo (Ipv6Address network, Ipv6Prefix networkPrefix, Ipv6Address nextHop, uint32_t interface, Ipv6Address prefixToUse)
	Add route to network.

void	AddNetworkRouteTo (Ipv6Address network, Ipv6Prefix networkPrefix, uint32_t interface)
	Add route to network.

void	DeleteRoute (RipNgRoutingTableEntry *route)
	Delete a route.

void	DoSendRouteUpdate (bool periodic)
	Send Routing Updates on all interfaces.

void	HandleRequests (RipNgHeader hdr, Ipv6Address senderAddress, uint16_t senderPort, uint32_t incomingInterface, uint8_t hopLimit)
	Handle RIPng requests.

void	HandleResponses (RipNgHeader hdr, Ipv6Address senderAddress, uint32_t incomingInterface, uint8_t hopLimit)
	Handle RIPng responses.

void	InvalidateRoute (RipNgRoutingTableEntry *route)
	Invalidate a route.

Ptr< Ipv6Route >	Lookup (Ipv6Address dest, bool setSource, Ptr< NetDevice >=nullptr)
	Lookup in the forwarding table for destination.

void	Receive (Ptr< Socket > socket)
	Receive RIPng packets.

void	RecvMulticastRipng (Ptr< Socket > socket)
	Receive and process multicast packet.

void	RecvUnicastRipng (Ptr< Socket > socket)
	Receive and process unicast packet.

void	SendRouteRequest ()
	Send Routing Request on all interfaces.

void	SendTriggeredRouteUpdate ()
	Send Triggered Routing Updates on all interfaces.

void	SendUnsolicitedRouteUpdate ()
	Send Unsolicited Routing Updates on all interfaces.

Private Attributes
Time	m_garbageCollectionDelay
	Delay before deleting an INVALID route.

bool	m_initialized
	flag to allow socket's late-creation.

std::set< uint32_t >	m_interfaceExclusions
	Set of excluded interfaces.

std::map< uint32_t, uint8_t >	m_interfaceMetrics
	Map of interface metrics.

Ptr< Ipv6 >	m_ipv6
	IPv6 reference.

uint8_t	m_linkDown
	Link down value.

Time	m_maxTriggeredUpdateDelay
	Max cooldown delay after a Triggered Update.

Time	m_minTriggeredUpdateDelay
	Min cooldown delay after a Triggered Update.

Ptr< Socket >	m_multicastRecvSocket
	multicast receive socket

EventId	m_nextTriggeredUpdate
	Next Triggered Update event.

EventId	m_nextUnsolicitedUpdate
	Next Unsolicited Update event.

Ptr< UniformRandomVariable >	m_rng
	Rng stream.

Routes	m_routes
	the forwarding table for network.

SplitHorizonType_e	m_splitHorizonStrategy
	Split Horizon strategy.

Time	m_startupDelay
	Random delay before protocol startup.

Time	m_timeoutDelay
	Delay before invalidating a route.

SocketList	m_unicastSocketList
	list of sockets for unicast messages (socket, interface index)

Time	m_unsolicitedUpdate
	time between two Unsolicited Routing Updates

Additional Inherited Members
Related Symbols inherited from ns3::ObjectBase
static TypeId	GetObjectIid ()
	Ensure the TypeId for ObjectBase gets fully configured to anchor the inheritance tree properly.

Detailed Description

RIPng Routing Protocol, defined in RFC 2080 .

Definition at line 166 of file ripng.h.

Member Typedef Documentation

◆ Routes

typedef std::list<std::pair<RipNgRoutingTableEntry*, EventId> > ns3::RipNg::Routes

private

Container for the network routes - pair RipNgRoutingTableEntry *, EventId (update event)

Definition at line 279 of file ripng.h.

◆ RoutesCI

typedef std::list<std::pair<RipNgRoutingTableEntry*,EventId>>::const_iterator ns3::RipNg::RoutesCI

private

Const Iterator for container for the network routes.

Definition at line 282 of file ripng.h.

◆ RoutesI

typedef std::list<std::pair<RipNgRoutingTableEntry*,EventId>>::iterator ns3::RipNg::RoutesI

private

Iterator for container for the network routes.

Definition at line 285 of file ripng.h.

◆ SocketList

typedef std::map<Ptr<Socket>, uint32_t> ns3::RipNg::SocketList

private

Socket list type.

Definition at line 409 of file ripng.h.

◆ SocketListCI

typedef std::map<Ptr<Socket>,uint32_t>::const_iterator ns3::RipNg::SocketListCI

private

Socket list type const iterator.

Definition at line 413 of file ripng.h.

◆ SocketListI

typedef std::map<Ptr<Socket>,uint32_t>::iterator ns3::RipNg::SocketListI

private

Socket list type iterator.

Definition at line 411 of file ripng.h.

Member Enumeration Documentation

◆ SplitHorizonType_e

enum ns3::RipNg::SplitHorizonType_e

Split Horizon strategy type.

See RFC 2080 .

Enumerator
NO_SPLIT_HORIZON	No Split Horizon.
SPLIT_HORIZON	Split Horizon.
POISON_REVERSE	Poison Reverse Split Horizon.

Definition at line 212 of file ripng.h.

Constructor & Destructor Documentation

◆ RipNg()

ns3::RipNg::RipNg ( )

Definition at line 38 of file ripng.cc.

References ns3::CreateObject(), and m_rng.

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◆ ~RipNg()

ns3::RipNg::~RipNg ( )

override

Definition at line 46 of file ripng.cc.

Member Function Documentation

◆ AddDefaultRouteTo()

void ns3::RipNg::AddDefaultRouteTo	(	Ipv6Address	nextHop,
		uint32_t	interface )

Add a default route to the router through the nextHop located on interface.

The default route is usually installed manually, or it is the result of some "other" routing protocol (e.g., BGP).

Parameters

nextHop	the next hop
interface	the interface

Definition at line 1385 of file ripng.cc.

References AddNetworkRouteTo(), ns3::Ipv6Prefix::GetZero(), and NS_LOG_FUNCTION.

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◆ AddNetworkRouteTo() [1/2]

void ns3::RipNg::AddNetworkRouteTo	(	Ipv6Address	network,
		Ipv6Prefix	networkPrefix,
		Ipv6Address	nextHop,
		uint32_t	interface,
		Ipv6Address	prefixToUse )

private

Add route to network.

Parameters

network	network address
networkPrefix	network prefix
nextHop	next hop address to route the packet.
interface	interface index
prefixToUse	prefix that should be used for source address for this destination

Definition at line 685 of file ripng.cc.

References ns3::Ipv6Address::IsLinkLocal(), m_routes, NS_LOG_FUNCTION, NS_LOG_WARN, and ns3::RipNgRoutingTableEntry::RIPNG_VALID.

Referenced by AddDefaultRouteTo(), NotifyAddAddress(), and NotifyInterfaceUp().

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◆ AddNetworkRouteTo() [2/2]

void ns3::RipNg::AddNetworkRouteTo	(	Ipv6Address	network,
		Ipv6Prefix	networkPrefix,
		uint32_t	interface )

private

Add route to network.

Parameters

network	network address
networkPrefix	network prefix
interface	interface index

Definition at line 708 of file ripng.cc.

References m_routes, NS_LOG_FUNCTION, and ns3::RipNgRoutingTableEntry::RIPNG_VALID.

◆ AssignStreams()

int64_t ns3::RipNg::AssignStreams ( int64_t stream )

Assign a fixed random variable stream number to the random variables used by this model.

Return the number of streams (possibly zero) that have been assigned.

Parameters

stream first stream index to use

Returns: the number of stream indices assigned by this model

Definition at line 107 of file ripng.cc.

References m_rng, and NS_LOG_FUNCTION.

◆ DeleteRoute()

void ns3::RipNg::DeleteRoute ( RipNgRoutingTableEntry * route )

private

Delete a route.

Parameters

route the route to be removed

Definition at line 745 of file ripng.cc.

References m_routes, NS_ABORT_MSG, and NS_LOG_FUNCTION.

Referenced by InvalidateRoute().

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◆ DoDispose()

void ns3::RipNg::DoDispose ( )

overrideprotectedvirtual

Dispose this object.

Reimplemented from ns3::Object.

Definition at line 564 of file ripng.cc.

References ns3::EventId::Cancel(), ns3::Socket::Close(), ns3::Object::DoDispose(), m_ipv6, m_multicastRecvSocket, m_nextTriggeredUpdate, m_nextUnsolicitedUpdate, m_routes, m_unicastSocketList, and NS_LOG_FUNCTION.

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◆ DoInitialize()

void ns3::RipNg::DoInitialize ( )

overrideprotectedvirtual

Start protocol operation.

Reimplemented from ns3::Object.

Definition at line 116 of file ripng.cc.

References ns3::Socket::Bind(), ns3::Socket::CreateSocket(), ns3::Object::DoInitialize(), DoSendRouteUpdate(), ns3::Ipv6::GetAddress(), ns3::Ipv6::GetNAddresses(), ns3::Ipv6::GetNetDevice(), ns3::Ipv6::GetNInterfaces(), ns3::Object::GetObject(), ns3::Ipv6InterfaceAddress::GetScope(), ns3::Time::GetSeconds(), ns3::Ipv6InterfaceAddress::GLOBAL, ns3::Ipv6InterfaceAddress::LINKLOCAL, ns3::TypeId::LookupByName(), m_initialized, m_interfaceExclusions, m_ipv6, m_maxTriggeredUpdateDelay, m_minTriggeredUpdateDelay, m_multicastRecvSocket, m_nextTriggeredUpdate, m_nextUnsolicitedUpdate, m_rng, m_startupDelay, m_unicastSocketList, m_unsolicitedUpdate, ns3::MakeCallback(), NS_ASSERT_MSG, NS_LOG_FUNCTION, NS_LOG_LOGIC, Receive(), RIPNG_ALL_NODE, RIPNG_PORT, ns3::Simulator::Schedule(), ns3::Seconds(), SendRouteRequest(), SendUnsolicitedRouteUpdate(), ns3::Ipv6::SetForwarding(), ns3::Socket::SetIpv6RecvHopLimit(), ns3::Socket::SetRecvCallback(), and ns3::Socket::SetRecvPktInfo().

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◆ DoSendRouteUpdate()

void ns3::RipNg::DoSendRouteUpdate ( bool periodic )

private

Send Routing Updates on all interfaces.

Parameters

periodic true for periodic update, else triggered.

Definition at line 1180 of file ripng.cc.

References ns3::RipNgHeader::AddRte(), ns3::RipNgHeader::ClearRtes(), ns3::Create(), ns3::Ipv6Address::GetAny(), ns3::Ipv6::GetMtu(), ns3::RipNgHeader::GetRteNumber(), ns3::Ipv6InterfaceAddress::GetScope(), ns3::Ipv6Header::GetSerializedSize(), ns3::RipNgHeader::GetSerializedSize(), ns3::RipNgRte::GetSerializedSize(), ns3::UdpHeader::GetSerializedSize(), ns3::Ipv6Prefix::GetZero(), ns3::Ipv6InterfaceAddress::GLOBAL, m_interfaceExclusions, m_ipv6, m_linkDown, m_routes, m_splitHorizonStrategy, m_unicastSocketList, NS_LOG_DEBUG, NS_LOG_FUNCTION, POISON_REVERSE, ns3::RipNgHeader::RESPONSE, RIPNG_ALL_NODE, RIPNG_PORT, ns3::RipNgHeader::SetCommand(), ns3::SocketIpv6HopLimitTag::SetHopLimit(), ns3::RipNgRte::SetPrefix(), ns3::RipNgRte::SetPrefixLen(), ns3::RipNgRte::SetRouteMetric(), ns3::RipNgRte::SetRouteTag(), and SPLIT_HORIZON.

Referenced by DoInitialize(), SendTriggeredRouteUpdate(), and SendUnsolicitedRouteUpdate().

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◆ GetInterfaceExclusions()

std::set< uint32_t > ns3::RipNg::GetInterfaceExclusions ( ) const

Get the set of interface excluded from the protocol.

Returns: the set of excluded interfaces

Definition at line 1313 of file ripng.cc.

References m_interfaceExclusions.

◆ GetInterfaceMetric()

uint8_t ns3::RipNg::GetInterfaceMetric ( uint32_t interface ) const

Get the metric for an interface.

Parameters

interface the interface

Returns: the interface metric

Definition at line 1327 of file ripng.cc.

References m_interfaceMetrics, and NS_LOG_FUNCTION.

◆ GetTypeId()

TypeId ns3::RipNg::GetTypeId ( )

static

Get the type ID.

Returns: type ID

Definition at line 51 of file ripng.cc.

References m_garbageCollectionDelay, m_linkDown, m_maxTriggeredUpdateDelay, m_minTriggeredUpdateDelay, m_splitHorizonStrategy, m_startupDelay, m_timeoutDelay, m_unsolicitedUpdate, ns3::MakeEnumAccessor(), ns3::MakeEnumChecker(), ns3::MakeTimeAccessor(), ns3::MakeTimeChecker(), ns3::MakeUintegerAccessor(), ns3::MakeUintegerChecker(), NO_SPLIT_HORIZON, POISON_REVERSE, ns3::Seconds(), ns3::TypeId::SetParent(), and SPLIT_HORIZON.

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◆ HandleRequests()

void ns3::RipNg::HandleRequests	(	RipNgHeader	hdr,
		Ipv6Address	senderAddress,
		uint16_t	senderPort,
		uint32_t	incomingInterface,
		uint8_t	hopLimit )

private

Handle RIPng requests.

Parameters

hdr	message header (including RTEs)
senderAddress	sender address
senderPort	sender port
incomingInterface	incoming interface
hopLimit	packet's hop limit

Definition at line 816 of file ripng.cc.

References ns3::RipNgHeader::AddRte(), ns3::RipNgHeader::ClearRtes(), ns3::Ipv6Address::CombinePrefix(), ns3::Create(), ns3::Ipv6Address::GetAny(), ns3::Ipv6::GetMtu(), ns3::RipNgHeader::GetRteList(), ns3::RipNgHeader::GetRteNumber(), ns3::Ipv6InterfaceAddress::GetScope(), ns3::Ipv6Header::GetSerializedSize(), ns3::RipNgHeader::GetSerializedSize(), ns3::RipNgRte::GetSerializedSize(), ns3::UdpHeader::GetSerializedSize(), ns3::Ipv6Prefix::GetZero(), ns3::Ipv6InterfaceAddress::GLOBAL, ns3::Ipv6Address::IsLinkLocal(), m_interfaceExclusions, m_ipv6, m_linkDown, m_multicastRecvSocket, m_routes, m_splitHorizonStrategy, m_unicastSocketList, NS_ASSERT_MSG, NS_LOG_DEBUG, NS_LOG_FUNCTION, POISON_REVERSE, ns3::RipNgHeader::RESPONSE, RIPNG_PORT, ns3::RipNgRoutingTableEntry::RIPNG_VALID, ns3::RipNgHeader::SetCommand(), ns3::SocketIpv6HopLimitTag::SetHopLimit(), ns3::RipNgRte::SetPrefix(), ns3::RipNgRte::SetPrefixLen(), ns3::RipNgRte::SetRouteMetric(), ns3::RipNgRte::SetRouteTag(), and SPLIT_HORIZON.

Referenced by Receive().

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◆ HandleResponses()

void ns3::RipNg::HandleResponses	(	RipNgHeader	hdr,
		Ipv6Address	senderAddress,
		uint32_t	incomingInterface,
		uint8_t	hopLimit )

private

Handle RIPng responses.

Parameters

hdr	message header (including RTEs)
senderAddress	sender address
incomingInterface	incoming interface
hopLimit	packet's hop limit

Definition at line 994 of file ripng.cc.

References ns3::Ipv6Address::CombinePrefix(), ns3::Ipv6Address::GetAny(), ns3::Simulator::GetDelayLeft(), ns3::RipNgHeader::GetRteList(), InvalidateRoute(), ns3::Ipv6Address::IsLinkLocal(), m_interfaceExclusions, m_interfaceMetrics, m_linkDown, m_routes, m_timeoutDelay, NS_LOG_FUNCTION, NS_LOG_LOGIC, ns3::RipNgRoutingTableEntry::RIPNG_VALID, ns3::Simulator::Schedule(), and SendTriggeredRouteUpdate().

Referenced by Receive().

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◆ InvalidateRoute()

void ns3::RipNg::InvalidateRoute ( RipNgRoutingTableEntry * route )

private

Invalidate a route.

Parameters

route the route to be removed

Definition at line 721 of file ripng.cc.

References DeleteRoute(), m_garbageCollectionDelay, m_linkDown, m_routes, NS_ABORT_MSG, NS_LOG_FUNCTION, ns3::RipNgRoutingTableEntry::RIPNG_INVALID, ns3::Simulator::Schedule(), ns3::RipNgRoutingTableEntry::SetRouteChanged(), ns3::RipNgRoutingTableEntry::SetRouteMetric(), and ns3::RipNgRoutingTableEntry::SetRouteStatus().

Referenced by HandleResponses(), NotifyInterfaceDown(), and NotifyRemoveAddress().

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◆ Lookup()

Ptr< Ipv6Route > ns3::RipNg::Lookup	(	Ipv6Address	dest,
		bool	setSource,
		Ptr< NetDevice >	interface = nullptr )

private

Lookup in the forwarding table for destination.

Parameters

dest	destination address
setSource	set source address in the route
interface	output interface if any (put 0 otherwise)

Returns: Ipv6Route to route the packet to reach dest address

Definition at line 594 of file ripng.cc.

References ns3::Create(), ns3::Ipv6RoutingTableEntry::GetDest(), ns3::Ipv6RoutingTableEntry::GetDestNetwork(), ns3::Ipv6RoutingTableEntry::GetDestNetworkPrefix(), ns3::Ipv6RoutingTableEntry::GetGateway(), ns3::Ipv6RoutingTableEntry::GetInterface(), ns3::Ipv6::GetInterfaceForDevice(), ns3::Ipv6::GetNetDevice(), ns3::Ipv6Prefix::GetPrefixLength(), ns3::Ipv6RoutingTableEntry::GetPrefixToUse(), ns3::RipNgRoutingTableEntry::GetRouteStatus(), ns3::Ipv6Address::GetZero(), ns3::Ipv6Address::IsAny(), ns3::Ipv6Address::IsLinkLocalMulticast(), ns3::Ipv6Prefix::IsMatch(), m_ipv6, m_routes, NS_ASSERT_MSG, NS_LOG_FUNCTION, NS_LOG_LOGIC, ns3::RipNgRoutingTableEntry::RIPNG_VALID, and ns3::Ipv6::SourceAddressSelection().

Referenced by RouteInput(), and RouteOutput().

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◆ NotifyAddAddress()

void ns3::RipNg::NotifyAddAddress	(	uint32_t	interface,
		Ipv6InterfaceAddress	address )

overridevirtual

Notify when specified interface add an address.

Protocols are expected to implement this method to be notified whenever a new address is added to an interface. Typically used to add a 'network route' on an interface. Can be invoked on an up or down interface.

Parameters

interface	the index of the interface we are being notified about
address	a new address being added to an interface

Implements ns3::Ipv6RoutingProtocol.

Definition at line 393 of file ripng.cc.

References AddNetworkRouteTo(), ns3::Ipv6InterfaceAddress::GLOBAL, ns3::Ipv6::IsUp(), m_interfaceExclusions, m_ipv6, NS_LOG_FUNCTION, and SendTriggeredRouteUpdate().

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◆ NotifyAddRoute()

void ns3::RipNg::NotifyAddRoute	(	Ipv6Address	dst,
		Ipv6Prefix	mask,
		Ipv6Address	nextHop,
		uint32_t	interface,
		Ipv6Address	prefixToUse = Ipv6Address::GetZero() )

overridevirtual

Notify a new route.

Typically this is used to add another route from IPv6 stack (i.e. ICMPv6 redirect case, ...).

Parameters

dst	destination address
mask	destination mask
nextHop	nextHop for this destination
interface	output interface
prefixToUse	prefix to use as source with this route

Implements ns3::Ipv6RoutingProtocol.

Definition at line 455 of file ripng.cc.

References NS_LOG_INFO.

◆ NotifyInterfaceDown()

void ns3::RipNg::NotifyInterfaceDown ( uint32_t interface )

overridevirtual

Notify when specified interface goes DOWN.

Protocols are expected to implement this method to be notified of the state change of an interface in a node.

Parameters

interface the index of the interface we are being notified about

Implements ns3::Ipv6RoutingProtocol.

Definition at line 361 of file ripng.cc.

References InvalidateRoute(), m_interfaceExclusions, m_routes, m_unicastSocketList, NS_LOG_FUNCTION, NS_LOG_INFO, and SendTriggeredRouteUpdate().

Referenced by SetIpv6().

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◆ NotifyInterfaceUp()

void ns3::RipNg::NotifyInterfaceUp ( uint32_t interface )

overridevirtual

Notify when specified interface goes UP.

Protocols are expected to implement this method to be notified of the state change of an interface in a node.

Parameters

interface the index of the interface we are being notified about

Implements ns3::Ipv6RoutingProtocol.

Definition at line 283 of file ripng.cc.

References AddNetworkRouteTo(), ns3::Socket::Bind(), ns3::Socket::CreateSocket(), ns3::Ipv6::GetAddress(), ns3::Ipv6::GetNAddresses(), ns3::Ipv6::GetNetDevice(), ns3::Object::GetObject(), ns3::Ipv6InterfaceAddress::GLOBAL, ns3::Ipv6InterfaceAddress::LINKLOCAL, ns3::TypeId::LookupByName(), m_initialized, m_interfaceExclusions, m_ipv6, m_multicastRecvSocket, m_unicastSocketList, ns3::MakeCallback(), NS_LOG_FUNCTION, NS_LOG_LOGIC, Receive(), RIPNG_ALL_NODE, RIPNG_PORT, SendTriggeredRouteUpdate(), ns3::Ipv6::SetForwarding(), ns3::Socket::SetIpv6RecvHopLimit(), ns3::Socket::SetRecvCallback(), and ns3::Socket::SetRecvPktInfo().

Referenced by SetIpv6().

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◆ NotifyRemoveAddress()

void ns3::RipNg::NotifyRemoveAddress	(	uint32_t	interface,
		Ipv6InterfaceAddress	address )

overridevirtual

Notify when specified interface add an address.

Protocols are expected to implement this method to be notified whenever a new address is removed from an interface. Typically used to remove the 'network route' of an interface. Can be invoked on an up or down interface.

Parameters

interface	the index of the interface we are being notified about
address	a new address being added to an interface

Implements ns3::Ipv6RoutingProtocol.

Definition at line 419 of file ripng.cc.

References ns3::Ipv6InterfaceAddress::GLOBAL, InvalidateRoute(), ns3::Ipv6::IsUp(), m_interfaceExclusions, m_ipv6, m_routes, NS_LOG_FUNCTION, and SendTriggeredRouteUpdate().

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◆ NotifyRemoveRoute()

void ns3::RipNg::NotifyRemoveRoute	(	Ipv6Address	dst,
		Ipv6Prefix	mask,
		Ipv6Address	nextHop,
		uint32_t	interface,
		Ipv6Address	prefixToUse = Ipv6Address::GetZero() )

overridevirtual

Notify route removing.

Parameters

dst	destination address
mask	destination mask
nextHop	nextHop for this destination
interface	output interface
prefixToUse	prefix to use as source with this route

Implements ns3::Ipv6RoutingProtocol.

Definition at line 466 of file ripng.cc.

References NS_LOG_FUNCTION.

◆ PrintRoutingTable()

void ns3::RipNg::PrintRoutingTable	(	Ptr< OutputStreamWrapper >	stream,
		Time::Unit	unit = Time::S ) const

overridevirtual

Print the Routing Table entries.

Parameters

stream	The ostream the Routing table is printed to
unit	The time unit to be used in the report

Implements ns3::Ipv6RoutingProtocol.

Definition at line 499 of file ripng.cc.

References ns3::Time::As(), ns3::Names::FindName(), ns3::Ipv6RoutingTableEntry::GetDest(), ns3::Ipv6RoutingTableEntry::GetDestNetworkPrefix(), ns3::Ipv6RoutingTableEntry::GetGateway(), ns3::Ipv6RoutingTableEntry::GetInterface(), ns3::Ipv6::GetNetDevice(), ns3::Object::GetObject(), ns3::Ipv6Prefix::GetPrefixLength(), ns3::RipNgRoutingTableEntry::GetRouteMetric(), ns3::RipNgRoutingTableEntry::GetRouteStatus(), ns3::Ipv6RoutingTableEntry::IsGateway(), ns3::Ipv6RoutingTableEntry::IsHost(), m_ipv6, m_routes, ns3::Now(), NS_LOG_FUNCTION, and ns3::RipNgRoutingTableEntry::RIPNG_VALID.

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◆ Receive()

void ns3::RipNg::Receive ( Ptr< Socket > socket )

private

Receive RIPng packets.

Parameters

socket the socket the packet was received to.

Definition at line 762 of file ripng.cc.

References ns3::Inet6SocketAddress::ConvertFrom(), ns3::RipNgHeader::GetCommand(), ns3::SocketIpv6HopLimitTag::GetHopLimit(), ns3::Ipv6::GetInterfaceForAddress(), ns3::Ipv6::GetInterfaceForDevice(), ns3::Inet6SocketAddress::GetIpv6(), ns3::Object::GetObject(), ns3::Inet6SocketAddress::GetPort(), ns3::Ipv6PacketInfoTag::GetRecvIf(), HandleRequests(), HandleResponses(), m_ipv6, NS_ABORT_MSG, NS_LOG_FUNCTION, NS_LOG_INFO, NS_LOG_LOGIC, ns3::RipNgHeader::REQUEST, and ns3::RipNgHeader::RESPONSE.

Referenced by DoInitialize(), and NotifyInterfaceUp().

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◆ RecvMulticastRipng()

void ns3::RipNg::RecvMulticastRipng ( Ptr< Socket > socket )

private

Receive and process multicast packet.

Parameters

socket socket where packet is arrived

◆ RecvUnicastRipng()

void ns3::RipNg::RecvUnicastRipng ( Ptr< Socket > socket )

private

Receive and process unicast packet.

Parameters

socket socket where packet is arrived

◆ RouteInput()

bool ns3::RipNg::RouteInput	(	Ptr< const Packet >	p,
		const Ipv6Header &	header,
		Ptr< const NetDevice >	idev,
		const UnicastForwardCallback &	ucb,
		const MulticastForwardCallback &	mcb,
		const LocalDeliverCallback &	lcb,
		const ErrorCallback &	ecb )

overridevirtual

Route an input packet (to be forwarded or locally delivered)

This lookup is used in the forwarding process. The packet is handed over to the Ipv6RoutingProtocol, and will get forwarded onward by one of the callbacks. The Linux equivalent is ip_route_input (). There are four valid outcomes, and a matching callbacks to handle each.

Parameters

p	received packet
header	input parameter used to form a search key for a route
idev	Pointer to ingress network device
ucb	Callback for the case in which the packet is to be forwarded as unicast
mcb	Callback for the case in which the packet is to be forwarded as multicast
lcb	Callback for the case in which the packet is to be locally delivered
ecb	Callback to call if there is an error in forwarding

Returns: true if the Ipv6RoutingProtocol takes responsibility for forwarding or delivering the packet, false otherwise

Implements ns3::Ipv6RoutingProtocol.

Definition at line 223 of file ripng.cc.

References ns3::Socket::ERROR_NOROUTETOHOST, ns3::Ipv6Header::GetDestination(), ns3::Ipv6::GetInterfaceForDevice(), ns3::Ipv6Header::GetSource(), ns3::Ipv6::IsForwarding(), ns3::Ipv6Address::IsLinkLocal(), ns3::Ipv6Address::IsMulticast(), ns3::Callback< R, UArgs >::IsNull(), Lookup(), m_ipv6, NS_ASSERT, NS_LOG_FUNCTION, and NS_LOG_LOGIC.

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◆ RouteOutput()

Ptr< Ipv6Route > ns3::RipNg::RouteOutput	(	Ptr< Packet >	p,
		const Ipv6Header &	header,
		Ptr< NetDevice >	oif,
		Socket::SocketErrno &	sockerr )

overridevirtual

Query routing cache for an existing route, for an outbound packet.

This lookup is used by transport protocols. It does not cause any packet to be forwarded, and is synchronous. Can be used for multicast or unicast. The Linux equivalent is ip_route_output ()

Parameters

p	packet to be routed. Note that this method may modify the packet. Callers may also pass in a null pointer.
header	input parameter (used to form key to search for the route)
oif	Output interface device. May be zero, or may be bound via socket options to a particular output interface.
sockerr	Output parameter; socket errno

Returns: a code that indicates what happened in the lookup

Implements ns3::Ipv6RoutingProtocol.

Definition at line 189 of file ripng.cc.

References ns3::Socket::ERROR_NOROUTETOHOST, ns3::Socket::ERROR_NOTERROR, ns3::Ipv6Header::GetDestination(), ns3::Ipv6Address::IsMulticast(), Lookup(), NS_LOG_FUNCTION, and NS_LOG_LOGIC.

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◆ SendRouteRequest()

void ns3::RipNg::SendRouteRequest ( )

private

Send Routing Request on all interfaces.

Definition at line 1351 of file ripng.cc.

References ns3::RipNgHeader::AddRte(), ns3::Create(), ns3::Ipv6Address::GetAny(), m_interfaceExclusions, m_linkDown, m_unicastSocketList, NS_LOG_DEBUG, NS_LOG_FUNCTION, ns3::RipNgHeader::REQUEST, RIPNG_ALL_NODE, RIPNG_PORT, ns3::RipNgHeader::SetCommand(), ns3::SocketIpv6HopLimitTag::SetHopLimit(), ns3::RipNgRte::SetPrefix(), ns3::RipNgRte::SetPrefixLen(), and ns3::RipNgRte::SetRouteMetric().

Referenced by DoInitialize().

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◆ SendTriggeredRouteUpdate()

void ns3::RipNg::SendTriggeredRouteUpdate ( )

private

Send Triggered Routing Updates on all interfaces.

Definition at line 1264 of file ripng.cc.

References DoSendRouteUpdate(), ns3::Time::GetSeconds(), ns3::EventId::IsPending(), m_maxTriggeredUpdateDelay, m_minTriggeredUpdateDelay, m_nextTriggeredUpdate, m_rng, NS_LOG_FUNCTION, NS_LOG_LOGIC, ns3::Simulator::Schedule(), and ns3::Seconds().

Referenced by HandleResponses(), NotifyAddAddress(), NotifyInterfaceDown(), NotifyInterfaceUp(), and NotifyRemoveAddress().

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◆ SendUnsolicitedRouteUpdate()

void ns3::RipNg::SendUnsolicitedRouteUpdate ( )

private

Send Unsolicited Routing Updates on all interfaces.

Definition at line 1296 of file ripng.cc.

References ns3::EventId::Cancel(), DoSendRouteUpdate(), ns3::Time::GetSeconds(), ns3::EventId::IsPending(), m_nextTriggeredUpdate, m_nextUnsolicitedUpdate, m_rng, m_unsolicitedUpdate, NS_LOG_FUNCTION, ns3::Simulator::Schedule(), ns3::Seconds(), and SendUnsolicitedRouteUpdate().

Referenced by DoInitialize(), and SendUnsolicitedRouteUpdate().

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◆ SetInterfaceExclusions()

void ns3::RipNg::SetInterfaceExclusions ( std::set< uint32_t > exceptions )

Set the set of interface excluded from the protocol.

Parameters

exceptions the set of excluded interfaces

Definition at line 1319 of file ripng.cc.

References m_interfaceExclusions, and NS_LOG_FUNCTION.

◆ SetInterfaceMetric()

void ns3::RipNg::SetInterfaceMetric	(	uint32_t	interface,
		uint8_t	metric )

Set the metric for an interface.

Parameters

interface	the interface
metric	the interface metric

Definition at line 1340 of file ripng.cc.

References m_interfaceMetrics, m_linkDown, and NS_LOG_FUNCTION.

◆ SetIpv6()

void ns3::RipNg::SetIpv6 ( Ptr< Ipv6 > ipv6 )

overridevirtual

Typically, invoked directly or indirectly from ns3::Ipv6::SetRoutingProtocol.

Parameters

ipv6	the ipv6 object this routing protocol is being associated with

Implements ns3::Ipv6RoutingProtocol.

Definition at line 477 of file ripng.cc.

References ns3::Ipv6::GetNInterfaces(), ns3::Ipv6::IsUp(), m_ipv6, NotifyInterfaceDown(), NotifyInterfaceUp(), NS_ASSERT, and NS_LOG_FUNCTION.

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Member Data Documentation

◆ m_garbageCollectionDelay

Time ns3::RipNg::m_garbageCollectionDelay

private

Delay before deleting an INVALID route.

Definition at line 404 of file ripng.h.

Referenced by GetTypeId(), and InvalidateRoute().

◆ m_initialized

bool ns3::RipNg::m_initialized

private

flag to allow socket's late-creation.

Definition at line 429 of file ripng.h.

Referenced by DoInitialize(), and NotifyInterfaceUp().

◆ m_interfaceExclusions

std::set<uint32_t> ns3::RipNg::m_interfaceExclusions

private

Set of excluded interfaces.

Definition at line 424 of file ripng.h.

Referenced by DoInitialize(), DoSendRouteUpdate(), GetInterfaceExclusions(), HandleRequests(), HandleResponses(), NotifyAddAddress(), NotifyInterfaceDown(), NotifyInterfaceUp(), NotifyRemoveAddress(), SendRouteRequest(), and SetInterfaceExclusions().

◆ m_interfaceMetrics

std::map<uint32_t, uint8_t> ns3::RipNg::m_interfaceMetrics

private

Map of interface metrics.

Definition at line 425 of file ripng.h.

Referenced by GetInterfaceMetric(), HandleResponses(), and SetInterfaceMetric().

◆ m_ipv6

Ptr<Ipv6> ns3::RipNg::m_ipv6

private

IPv6 reference.

Definition at line 398 of file ripng.h.

Referenced by DoDispose(), DoInitialize(), DoSendRouteUpdate(), HandleRequests(), Lookup(), NotifyAddAddress(), NotifyInterfaceUp(), NotifyRemoveAddress(), PrintRoutingTable(), Receive(), RouteInput(), and SetIpv6().

◆ m_linkDown

uint8_t ns3::RipNg::m_linkDown

private

Link down value.

Definition at line 430 of file ripng.h.

Referenced by DoSendRouteUpdate(), GetTypeId(), HandleRequests(), HandleResponses(), InvalidateRoute(), SendRouteRequest(), and SetInterfaceMetric().

◆ m_maxTriggeredUpdateDelay

Time ns3::RipNg::m_maxTriggeredUpdateDelay

private

Max cooldown delay after a Triggered Update.

Definition at line 401 of file ripng.h.

Referenced by DoInitialize(), GetTypeId(), and SendTriggeredRouteUpdate().

◆ m_minTriggeredUpdateDelay

Time ns3::RipNg::m_minTriggeredUpdateDelay

private

Min cooldown delay after a Triggered Update.

Definition at line 400 of file ripng.h.

Referenced by DoInitialize(), GetTypeId(), and SendTriggeredRouteUpdate().

◆ m_multicastRecvSocket

Ptr<Socket> ns3::RipNg::m_multicastRecvSocket

private

multicast receive socket

Definition at line 417 of file ripng.h.

Referenced by DoDispose(), DoInitialize(), HandleRequests(), and NotifyInterfaceUp().

◆ m_nextTriggeredUpdate

EventId ns3::RipNg::m_nextTriggeredUpdate

private

Next Triggered Update event.

Definition at line 420 of file ripng.h.

Referenced by DoDispose(), DoInitialize(), SendTriggeredRouteUpdate(), and SendUnsolicitedRouteUpdate().

◆ m_nextUnsolicitedUpdate

EventId ns3::RipNg::m_nextUnsolicitedUpdate

private

Next Unsolicited Update event.

Definition at line 419 of file ripng.h.

Referenced by DoDispose(), DoInitialize(), and SendUnsolicitedRouteUpdate().

◆ m_rng

Ptr<UniformRandomVariable> ns3::RipNg::m_rng

private

Rng stream.

Definition at line 422 of file ripng.h.

Referenced by RipNg(), AssignStreams(), DoInitialize(), SendTriggeredRouteUpdate(), and SendUnsolicitedRouteUpdate().

◆ m_routes

Routes ns3::RipNg::m_routes

private

the forwarding table for network.

Definition at line 397 of file ripng.h.

Referenced by AddNetworkRouteTo(), AddNetworkRouteTo(), DeleteRoute(), DoDispose(), DoSendRouteUpdate(), HandleRequests(), HandleResponses(), InvalidateRoute(), Lookup(), NotifyInterfaceDown(), NotifyRemoveAddress(), and PrintRoutingTable().

◆ m_splitHorizonStrategy

SplitHorizonType_e ns3::RipNg::m_splitHorizonStrategy

private

Split Horizon strategy.

Definition at line 427 of file ripng.h.

Referenced by DoSendRouteUpdate(), GetTypeId(), and HandleRequests().

◆ m_startupDelay

Time ns3::RipNg::m_startupDelay

private

Random delay before protocol startup.

Definition at line 399 of file ripng.h.

Referenced by DoInitialize(), and GetTypeId().

◆ m_timeoutDelay

Time ns3::RipNg::m_timeoutDelay

private

Delay before invalidating a route.

Definition at line 403 of file ripng.h.

Referenced by GetTypeId(), and HandleResponses().

◆ m_unicastSocketList

SocketList ns3::RipNg::m_unicastSocketList

private

list of sockets for unicast messages (socket, interface index)

Definition at line 416 of file ripng.h.

Referenced by DoDispose(), DoInitialize(), DoSendRouteUpdate(), HandleRequests(), NotifyInterfaceDown(), NotifyInterfaceUp(), and SendRouteRequest().

◆ m_unsolicitedUpdate

Time ns3::RipNg::m_unsolicitedUpdate

private

time between two Unsolicited Routing Updates

Definition at line 402 of file ripng.h.

Referenced by DoInitialize(), GetTypeId(), and SendUnsolicitedRouteUpdate().

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

src/internet/model/ripng.h
src/internet/model/ripng.cc

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Private Types

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ Routes

◆ RoutesCI

◆ RoutesI

◆ SocketList

◆ SocketListCI

◆ SocketListI

Member Enumeration Documentation

◆ SplitHorizonType_e

Constructor & Destructor Documentation

◆ RipNg()

◆ ~RipNg()

Member Function Documentation

◆ AddDefaultRouteTo()

◆ AddNetworkRouteTo() [1/2]

◆ AddNetworkRouteTo() [2/2]

◆ AssignStreams()

◆ DeleteRoute()

◆ DoDispose()

◆ DoInitialize()

◆ DoSendRouteUpdate()

◆ GetInterfaceExclusions()

◆ GetInterfaceMetric()

◆ GetTypeId()

◆ HandleRequests()

◆ HandleResponses()

◆ InvalidateRoute()

◆ Lookup()

◆ NotifyAddAddress()

◆ NotifyAddRoute()

◆ NotifyInterfaceDown()

◆ NotifyInterfaceUp()

◆ NotifyRemoveAddress()

◆ NotifyRemoveRoute()

◆ PrintRoutingTable()

◆ Receive()

◆ RecvMulticastRipng()

◆ RecvUnicastRipng()

◆ RouteInput()

◆ RouteOutput()

◆ SendRouteRequest()

◆ SendTriggeredRouteUpdate()

◆ SendUnsolicitedRouteUpdate()

◆ SetInterfaceExclusions()

◆ SetInterfaceMetric()

◆ SetIpv6()

Member Data Documentation

◆ m_garbageCollectionDelay

◆ m_initialized

◆ m_interfaceExclusions

◆ m_interfaceMetrics

◆ m_ipv6

◆ m_linkDown

◆ m_maxTriggeredUpdateDelay

◆ m_minTriggeredUpdateDelay

◆ m_multicastRecvSocket

◆ m_nextTriggeredUpdate

◆ m_nextUnsolicitedUpdate

◆ m_rng

◆ m_routes

◆ m_splitHorizonStrategy

◆ m_startupDelay

◆ m_timeoutDelay

◆ m_unicastSocketList

◆ m_unsolicitedUpdate