Routing table entry. More...

#include "dsdv-rtable.h"

Collaboration diagram for ns3::dsdv::RoutingTableEntry:

Public Member Functions
	RoutingTableEntry (Ptr< NetDevice > dev=nullptr, Ipv4Address dst=Ipv4Address(), uint32_t seqNo=0, Ipv4InterfaceAddress iface=Ipv4InterfaceAddress(), uint32_t hops=0, Ipv4Address nextHop=Ipv4Address(), Time lifetime=Simulator::Now(), Time settlingTime=Simulator::Now(), bool changedEntries=false)
	c-tor

	~RoutingTableEntry ()

Ipv4Address	GetDestination () const
	Get destination IP address.

bool	GetEntriesChanged () const
	Get entries changed.

RouteFlags	GetFlag () const
	Get route flags.

uint32_t	GetHop () const
	Get hop.

Ipv4InterfaceAddress	GetInterface () const
	Get interface address.

Time	GetLifeTime () const
	Get lifetime.

Ipv4Address	GetNextHop () const
	Get next hop.

Ptr< NetDevice >	GetOutputDevice () const
	Get output device.

Ptr< Ipv4Route >	GetRoute () const
	Get route.

uint32_t	GetSeqNo () const
	Get sequence number.

Time	GetSettlingTime () const
	Get settling time.

bool	operator== (const Ipv4Address destination) const
	Compare destination address.

void	Print (Ptr< OutputStreamWrapper > stream, Time::Unit unit=Time::S) const
	Print routing table entry.

void	SetEntriesChanged (bool entriesChanged)
	Set entries changed indicator.

void	SetFlag (RouteFlags flag)
	Set route flags.

void	SetHop (uint32_t hopCount)
	Set hop.

void	SetInterface (Ipv4InterfaceAddress iface)
	Set interface address.

void	SetLifeTime (Time lifeTime)
	Set lifetime.

void	SetNextHop (Ipv4Address nextHop)
	Set next hop.

void	SetOutputDevice (Ptr< NetDevice > device)
	Set output device.

void	SetRoute (Ptr< Ipv4Route > route)
	Set route.

void	SetSeqNo (uint32_t sequenceNumber)
	Set sequence number.

void	SetSettlingTime (Time settlingTime)
	Set settling time.

Private Attributes
bool	m_entriesChanged
	Flag to show if any of the routing table entries were changed with the routing update.

RouteFlags	m_flag
	Routing flags: valid, invalid or in search.

uint32_t	m_hops
	Hop Count (number of hops needed to reach destination)

Ipv4InterfaceAddress	m_iface
	Output interface address.

Ptr< Ipv4Route >	m_ipv4Route
	Ip route, include.

Time	m_lifeTime
	Expiration or deletion time of the route Lifetime field in the routing table plays dual role – for an active route it is the expiration time, and for an invalid route it is the deletion time.

uint32_t	m_seqNo
	Destination Sequence Number.

Time	m_settlingTime
	Time for which the node retains an update with changed metric before broadcasting it.

Detailed Description

Routing table entry.

Definition at line 47 of file dsdv-rtable.h.

Constructor & Destructor Documentation

◆ RoutingTableEntry()

ns3::dsdv::RoutingTableEntry::RoutingTableEntry	(	Ptr< NetDevice >	dev = nullptr,
		Ipv4Address	dst = Ipv4Address(),
		uint32_t	seqNo = 0,
		Ipv4InterfaceAddress	iface = Ipv4InterfaceAddress(),
		uint32_t	hops = 0,
		Ipv4Address	nextHop = Ipv4Address(),
		Time	lifetime = Simulator::Now(),
		Time	settlingTime = Simulator::Now(),
		bool	changedEntries = false )

c-tor

Parameters

dev	the net device
dst	the destination IP address
seqNo	the sequence number
iface	the interface
hops	the number of hops
nextHop	the IP address of the next hop
lifetime	the lifetime
settlingTime	the settling time
changedEntries	flag for changed entries

Definition at line 33 of file dsdv-rtable.cc.

References ns3::Create(), ns3::Ipv4InterfaceAddress::GetLocal(), m_iface, and m_ipv4Route.

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◆ ~RoutingTableEntry()

ns3::dsdv::RoutingTableEntry::~RoutingTableEntry ( )

Definition at line 57 of file dsdv-rtable.cc.

Member Function Documentation

◆ GetDestination()

Ipv4Address ns3::dsdv::RoutingTableEntry::GetDestination ( ) const

inline

Get destination IP address.

Returns: the destination IPv4 address

Definition at line 79 of file dsdv-rtable.h.

References m_ipv4Route.

Referenced by ns3::dsdv::RoutingTable::AddRoute(), DsdvTableTestCase::DoRun(), ns3::dsdv::RoutingProtocol::LookForQueuedPackets(), ns3::dsdv::RoutingProtocol::MergeTriggerPeriodicUpdates(), ns3::dsdv::RoutingProtocol::SendTriggeredUpdate(), and ns3::dsdv::RoutingTable::Update().

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◆ GetEntriesChanged()

bool ns3::dsdv::RoutingTableEntry::GetEntriesChanged ( ) const

inline

Get entries changed.

Returns: the entries changed flag

Definition at line 259 of file dsdv-rtable.h.

References m_entriesChanged.

Referenced by ns3::dsdv::RoutingProtocol::MergeTriggerPeriodicUpdates().

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◆ GetFlag()

RouteFlags ns3::dsdv::RoutingTableEntry::GetFlag ( ) const

inline

Get route flags.

Returns: the route flags

Definition at line 241 of file dsdv-rtable.h.

References m_flag.

◆ GetHop()

uint32_t ns3::dsdv::RoutingTableEntry::GetHop ( ) const

inline

Get hop.

Returns: the hop count

Definition at line 187 of file dsdv-rtable.h.

References m_hops.

Referenced by DsdvTableTestCase::DoRun(), ns3::dsdv::RoutingProtocol::LookForQueuedPackets(), ns3::dsdv::RoutingProtocol::RecvDsdv(), ns3::dsdv::RoutingProtocol::RouteOutput(), and ns3::dsdv::RoutingProtocol::SendTriggeredUpdate().

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◆ GetInterface()

Ipv4InterfaceAddress ns3::dsdv::RoutingTableEntry::GetInterface ( ) const

inline

Get interface address.

Returns: the IPv4 interface address

Definition at line 142 of file dsdv-rtable.h.

References m_iface.

Referenced by DsdvTableTestCase::DoRun().

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◆ GetLifeTime()

Time ns3::dsdv::RoutingTableEntry::GetLifeTime ( ) const

inline

Get lifetime.

Returns: the lifetime value

Definition at line 205 of file dsdv-rtable.h.

References m_lifeTime, and ns3::Simulator::Now().

Referenced by ns3::dsdv::RoutingProtocol::GetSettlingTime().

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◆ GetNextHop()

Ipv4Address ns3::dsdv::RoutingTableEntry::GetNextHop ( ) const

inline

Get next hop.

Returns: the IPv4 address of the next hop

Definition at line 115 of file dsdv-rtable.h.

References m_ipv4Route.

Referenced by ns3::dsdv::RoutingProtocol::LookForQueuedPackets(), ns3::dsdv::RoutingProtocol::RecvDsdv(), ns3::dsdv::RoutingProtocol::RouteInput(), and ns3::dsdv::RoutingProtocol::RouteOutput().

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◆ GetOutputDevice()

Ptr< NetDevice > ns3::dsdv::RoutingTableEntry::GetOutputDevice ( ) const

inline

Get output device.

Returns: the output device

Definition at line 133 of file dsdv-rtable.h.

References m_ipv4Route.

◆ GetRoute()

Ptr< Ipv4Route > ns3::dsdv::RoutingTableEntry::GetRoute ( ) const

inline

Get route.

Returns: the IPv4 route

Definition at line 88 of file dsdv-rtable.h.

References m_ipv4Route.

Referenced by ns3::dsdv::RoutingProtocol::LookForQueuedPackets(), ns3::dsdv::RoutingProtocol::RouteInput(), and ns3::dsdv::RoutingProtocol::RouteOutput().

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◆ GetSeqNo()

uint32_t ns3::dsdv::RoutingTableEntry::GetSeqNo ( ) const

inline

Get sequence number.

Returns: the sequence number

Definition at line 169 of file dsdv-rtable.h.

References m_seqNo.

Referenced by DsdvTableTestCase::DoRun(), ns3::dsdv::RoutingProtocol::MergeTriggerPeriodicUpdates(), ns3::dsdv::RoutingProtocol::RecvDsdv(), and ns3::dsdv::RoutingProtocol::SendTriggeredUpdate().

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◆ GetSettlingTime()

Time ns3::dsdv::RoutingTableEntry::GetSettlingTime ( ) const

inline

Get settling time.

Returns: the settling time

Definition at line 223 of file dsdv-rtable.h.

References m_settlingTime.

Referenced by ns3::dsdv::RoutingProtocol::GetSettlingTime().

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◆ operator==()

bool ns3::dsdv::RoutingTableEntry::operator== ( const Ipv4Address destination ) const

inline

Compare destination address.

Parameters

destination destination node IP address

Returns: true if equal

Definition at line 269 of file dsdv-rtable.h.

References m_ipv4Route.

◆ Print()

void ns3::dsdv::RoutingTableEntry::Print	(	Ptr< OutputStreamWrapper >	stream,
		Time::Unit	unit = Time::S ) const

Print routing table entry.

Parameters

stream	the output stream
unit	the Time unit

Definition at line 181 of file dsdv-rtable.cc.

References ns3::Time::As(), ns3::Ipv4InterfaceAddress::GetLocal(), m_hops, m_iface, m_ipv4Route, m_lifeTime, m_seqNo, m_settlingTime, and ns3::Simulator::Now().

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◆ SetEntriesChanged()

void ns3::dsdv::RoutingTableEntry::SetEntriesChanged ( bool entriesChanged )

inline

Set entries changed indicator.

Parameters

entriesChanged

Definition at line 250 of file dsdv-rtable.h.

References m_entriesChanged.

Referenced by ns3::dsdv::RoutingProtocol::MergeTriggerPeriodicUpdates(), ns3::dsdv::RoutingProtocol::RecvDsdv(), ns3::dsdv::RoutingProtocol::SendTriggeredUpdate(), and ns3::dsdv::RoutingProtocol::SetIpv4().

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◆ SetFlag()

void ns3::dsdv::RoutingTableEntry::SetFlag ( RouteFlags flag )

inline

Set route flags.

Parameters

flag	the route flags

Definition at line 232 of file dsdv-rtable.h.

References m_flag.

Referenced by ns3::dsdv::RoutingProtocol::MergeTriggerPeriodicUpdates(), ns3::dsdv::RoutingProtocol::RecvDsdv(), ns3::dsdv::RoutingProtocol::SendTriggeredUpdate(), and ns3::dsdv::RoutingProtocol::SetIpv4().

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◆ SetHop()

void ns3::dsdv::RoutingTableEntry::SetHop ( uint32_t hopCount )

inline

Set hop.

Parameters

hopCount the hop count

Definition at line 178 of file dsdv-rtable.h.

References m_hops.

Referenced by ns3::dsdv::RoutingProtocol::RecvDsdv().

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◆ SetInterface()

void ns3::dsdv::RoutingTableEntry::SetInterface ( Ipv4InterfaceAddress iface )

inline

Set interface address.

Parameters

iface the IPv4 interface address

Definition at line 151 of file dsdv-rtable.h.

References m_iface.

◆ SetLifeTime()

void ns3::dsdv::RoutingTableEntry::SetLifeTime ( Time lifeTime )

inline

Set lifetime.

Parameters

lifeTime the lifetime value

Definition at line 196 of file dsdv-rtable.h.

References m_lifeTime.

Referenced by ns3::dsdv::RoutingProtocol::RecvDsdv().

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◆ SetNextHop()

void ns3::dsdv::RoutingTableEntry::SetNextHop ( Ipv4Address nextHop )

inline

Set next hop.

Parameters

nextHop the IPv4 address of the next hop

Definition at line 106 of file dsdv-rtable.h.

References m_ipv4Route.

Referenced by ns3::dsdv::RoutingProtocol::RecvDsdv().

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◆ SetOutputDevice()

void ns3::dsdv::RoutingTableEntry::SetOutputDevice ( Ptr< NetDevice > device )

inline

Set output device.

Parameters

device the output device

Definition at line 124 of file dsdv-rtable.h.

References m_ipv4Route.

◆ SetRoute()

void ns3::dsdv::RoutingTableEntry::SetRoute ( Ptr< Ipv4Route > route )

inline

Set route.

Parameters

route the IPv4 route

Definition at line 97 of file dsdv-rtable.h.

References m_ipv4Route.

◆ SetSeqNo()

void ns3::dsdv::RoutingTableEntry::SetSeqNo ( uint32_t sequenceNumber )

inline

Set sequence number.

Parameters

sequenceNumber the sequence number

Definition at line 160 of file dsdv-rtable.h.

References m_seqNo.

Referenced by ns3::dsdv::RoutingProtocol::RecvDsdv(), and ns3::dsdv::RoutingProtocol::SendPeriodicUpdate().

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◆ SetSettlingTime()

void ns3::dsdv::RoutingTableEntry::SetSettlingTime ( Time settlingTime )

inline

Set settling time.

Parameters

settlingTime the settling time

Definition at line 214 of file dsdv-rtable.h.

References m_settlingTime.

Referenced by ns3::dsdv::RoutingProtocol::RecvDsdv().

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Member Data Documentation

◆ m_entriesChanged

bool ns3::dsdv::RoutingTableEntry::m_entriesChanged

private

Flag to show if any of the routing table entries were changed with the routing update.

Definition at line 309 of file dsdv-rtable.h.

Referenced by GetEntriesChanged(), and SetEntriesChanged().

◆ m_flag

RouteFlags ns3::dsdv::RoutingTableEntry::m_flag

private

Routing flags: valid, invalid or in search.

Definition at line 304 of file dsdv-rtable.h.

Referenced by GetFlag(), and SetFlag().

◆ m_hops

uint32_t ns3::dsdv::RoutingTableEntry::m_hops

private

Hop Count (number of hops needed to reach destination)

Definition at line 286 of file dsdv-rtable.h.

Referenced by GetHop(), Print(), and SetHop().

◆ m_iface

Ipv4InterfaceAddress ns3::dsdv::RoutingTableEntry::m_iface

private

Output interface address.

Definition at line 302 of file dsdv-rtable.h.

Referenced by RoutingTableEntry(), GetInterface(), Print(), and SetInterface().

◆ m_ipv4Route

Ptr<Ipv4Route> ns3::dsdv::RoutingTableEntry::m_ipv4Route

private

Ip route, include.

destination address
source address
next hop address (gateway)
output device

Definition at line 300 of file dsdv-rtable.h.

Referenced by RoutingTableEntry(), GetDestination(), GetNextHop(), GetOutputDevice(), GetRoute(), operator==(), Print(), SetNextHop(), SetOutputDevice(), and SetRoute().

◆ m_lifeTime

Time ns3::dsdv::RoutingTableEntry::m_lifeTime

private

Expiration or deletion time of the route Lifetime field in the routing table plays dual role – for an active route it is the expiration time, and for an invalid route it is the deletion time.

Definition at line 293 of file dsdv-rtable.h.

Referenced by GetLifeTime(), Print(), and SetLifeTime().

◆ m_seqNo

uint32_t ns3::dsdv::RoutingTableEntry::m_seqNo

private

Destination Sequence Number.

Definition at line 284 of file dsdv-rtable.h.

Referenced by GetSeqNo(), Print(), and SetSeqNo().

◆ m_settlingTime

Time ns3::dsdv::RoutingTableEntry::m_settlingTime

private

Time for which the node retains an update with changed metric before broadcasting it.

A node does that in hope of receiving a better update.

Definition at line 307 of file dsdv-rtable.h.

Referenced by GetSettlingTime(), Print(), and SetSettlingTime().

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

src/dsdv/model/dsdv-rtable.h
src/dsdv/model/dsdv-rtable.cc

Public Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ RoutingTableEntry()

◆ ~RoutingTableEntry()

Member Function Documentation

◆ GetDestination()

◆ GetEntriesChanged()

◆ GetFlag()

◆ GetHop()

◆ GetInterface()

◆ GetLifeTime()

◆ GetNextHop()

◆ GetOutputDevice()

◆ GetRoute()

◆ GetSeqNo()

◆ GetSettlingTime()

◆ operator==()

◆ Print()

◆ SetEntriesChanged()

◆ SetFlag()

◆ SetHop()

◆ SetInterface()

◆ SetLifeTime()

◆ SetNextHop()

◆ SetOutputDevice()

◆ SetRoute()

◆ SetSeqNo()

◆ SetSettlingTime()

Member Data Documentation

◆ m_entriesChanged

◆ m_flag

◆ m_hops

◆ m_iface

◆ m_ipv4Route

◆ m_lifeTime

◆ m_seqNo

◆ m_settlingTime