maintain list of active neighbors More...

#include "aodv-neighbor.h"

Collaboration diagram for ns3::aodv::Neighbors:

Classes
struct	Neighbor
	Neighbor description. More...

Public Member Functions
	Neighbors (Time delay)
	constructor

void	AddArpCache (Ptr< ArpCache > a)
	Add ARP cache to be used to allow layer 2 notifications processing.

void	Clear ()
	Remove all entries.

void	DelArpCache (Ptr< ArpCache > a)
	Don't use given ARP cache any more (interface is down)

Callback< void, Ipv4Address >	GetCallback () const
	Get link failure callback.

Time	GetExpireTime (Ipv4Address addr)
	Return expire time for neighbor node with address addr, if exists, else return 0.

Callback< void, const WifiMacHeader & >	GetTxErrorCallback () const
	Get callback to ProcessTxError.

bool	IsNeighbor (Ipv4Address addr)
	Check that node with address addr is neighbor.

void	Purge ()
	Remove all expired entries.

void	ScheduleTimer ()
	Schedule m_ntimer.

void	SetCallback (Callback< void, Ipv4Address > cb)
	Set link failure callback.

void	Update (Ipv4Address addr, Time expire)
	Update expire time for entry with address addr, if it exists, else add new entry.

Private Member Functions
Mac48Address	LookupMacAddress (Ipv4Address addr)
	Find MAC address by IP using list of ARP caches.

void	ProcessTxError (const WifiMacHeader &hdr)
	Process layer 2 TX error notification.

Private Attributes
std::vector< Ptr< ArpCache > >	m_arp
	list of ARP cached to be used for layer 2 notifications processing

Callback< void, Ipv4Address >	m_handleLinkFailure
	link failure callback

std::vector< Neighbor >	m_nb
	vector of entries

Timer	m_ntimer
	Timer for neighbor's list. Schedule Purge().

Callback< void, const WifiMacHeader & >	m_txErrorCallback
	TX error callback.

Detailed Description

maintain list of active neighbors

Definition at line 53 of file aodv-neighbor.h.

Constructor & Destructor Documentation

◆ Neighbors()

ns3::aodv::Neighbors::Neighbors ( Time delay )

constructor

Parameters

delay the delay time for purging the list of neighbors

Definition at line 42 of file aodv-neighbor.cc.

References m_ntimer, m_txErrorCallback, ns3::MakeCallback(), ProcessTxError(), Purge(), ns3::Timer::SetDelay(), and ns3::Timer::SetFunction().

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Member Function Documentation

◆ AddArpCache()

void ns3::aodv::Neighbors::AddArpCache ( Ptr< ArpCache > a )

Add ARP cache to be used to allow layer 2 notifications processing.

Parameters

a	pointer to the ARP cache to add

Definition at line 150 of file aodv-neighbor.cc.

References m_arp.

Referenced by ns3::aodv::RoutingProtocol::NotifyInterfaceUp().

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◆ Clear()

void ns3::aodv::Neighbors::Clear ( )

inline

Remove all entries.

Definition at line 114 of file aodv-neighbor.h.

References m_nb.

Referenced by ns3::aodv::RoutingProtocol::NotifyInterfaceDown(), and ns3::aodv::RoutingProtocol::NotifyRemoveAddress().

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◆ DelArpCache()

void ns3::aodv::Neighbors::DelArpCache ( Ptr< ArpCache > a )

Don't use given ARP cache any more (interface is down)

Parameters

a	pointer to the ARP cache to delete

Definition at line 156 of file aodv-neighbor.cc.

References m_arp.

Referenced by ns3::aodv::RoutingProtocol::NotifyInterfaceDown().

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◆ GetCallback()

Callback< void, Ipv4Address > ns3::aodv::Neighbors::GetCallback ( ) const

inline

Get link failure callback.

Returns: the link failure callback

Definition at line 152 of file aodv-neighbor.h.

References m_handleLinkFailure.

◆ GetExpireTime()

Time ns3::aodv::Neighbors::GetExpireTime ( Ipv4Address addr )

Return expire time for neighbor node with address addr, if exists, else return 0.

Parameters

addr	the IP address of the neighbor node

Returns: the expire time for the neighbor node

Definition at line 65 of file aodv-neighbor.cc.

References m_nb, ns3::Simulator::Now(), Purge(), and ns3::Seconds().

Referenced by ns3::aodv::NeighborTest::DoRun().

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◆ GetTxErrorCallback()

Callback< void, const WifiMacHeader & > ns3::aodv::Neighbors::GetTxErrorCallback ( ) const

inline

Get callback to ProcessTxError.

Returns: the callback function

Definition at line 134 of file aodv-neighbor.h.

References m_txErrorCallback.

Referenced by ns3::aodv::RoutingProtocol::NotifyTxError().

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◆ IsNeighbor()

bool ns3::aodv::Neighbors::IsNeighbor ( Ipv4Address addr )

Check that node with address addr is neighbor.

Parameters

addr	the IP address to check

Returns: true if the node with IP address is a neighbor

Definition at line 51 of file aodv-neighbor.cc.

References m_nb, and Purge().

Referenced by ns3::aodv::NeighborTest::CheckTimeout1(), ns3::aodv::NeighborTest::CheckTimeout2(), ns3::aodv::NeighborTest::CheckTimeout3(), and ns3::aodv::NeighborTest::DoRun().

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◆ LookupMacAddress()

Mac48Address ns3::aodv::Neighbors::LookupMacAddress ( Ipv4Address addr )

private

Find MAC address by IP using list of ARP caches.

Parameters

addr	the IP address to lookup

Returns: the MAC address for the IP address

Definition at line 162 of file aodv-neighbor.cc.

References ns3::Mac48Address::ConvertFrom(), ns3::ArpCache::Entry::GetMacAddress(), ns3::ArpCache::Entry::IsAlive(), ns3::ArpCache::Entry::IsExpired(), ns3::ArpCache::Entry::IsPermanent(), and m_arp.

Referenced by Update().

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◆ ProcessTxError()

void ns3::aodv::Neighbors::ProcessTxError ( const WifiMacHeader & hdr )

private

Process layer 2 TX error notification.

Parameters

hdr	header of the packet

Definition at line 178 of file aodv-neighbor.cc.

References ns3::WifiMacHeader::GetAddr1(), m_nb, and Purge().

Referenced by Neighbors().

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◆ Purge()

void ns3::aodv::Neighbors::Purge ( )

Remove all expired entries.

Definition at line 118 of file aodv-neighbor.cc.

References ns3::Timer::Cancel(), m_handleLinkFailure, m_nb, m_ntimer, NS_LOG_LOGIC, and ns3::Timer::Schedule().

Referenced by Neighbors(), GetExpireTime(), IsNeighbor(), ProcessTxError(), and Update().

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◆ ScheduleTimer()

void ns3::aodv::Neighbors::ScheduleTimer ( )

Schedule m_ntimer.

Definition at line 143 of file aodv-neighbor.cc.

References ns3::Timer::Cancel(), m_ntimer, and ns3::Timer::Schedule().

Referenced by ns3::aodv::RoutingProtocol::Start().

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◆ SetCallback()

void ns3::aodv::Neighbors::SetCallback ( Callback< void, Ipv4Address > cb )

inline

Set link failure callback.

Parameters

cb	the callback function

Definition at line 143 of file aodv-neighbor.h.

References m_handleLinkFailure.

Referenced by ns3::aodv::RoutingProtocol::RoutingProtocol(), and ns3::aodv::NeighborTest::DoRun().

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◆ Update()

void ns3::aodv::Neighbors::Update	(	Ipv4Address	addr,
		Time	expire
	)

Update expire time for entry with address addr, if it exists, else add new entry.

Parameters

addr	the IP address to check
expire	the expire time for the address

Definition at line 79 of file aodv-neighbor.cc.

References LookupMacAddress(), m_nb, ns3::Simulator::Now(), NS_LOG_LOGIC, and Purge().

Referenced by ns3::aodv::NeighborTest::DoRun(), ns3::aodv::RoutingProtocol::Forwarding(), ns3::aodv::RoutingProtocol::ProcessHello(), ns3::aodv::RoutingProtocol::RecvRequest(), and ns3::aodv::RoutingProtocol::RouteInput().

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Member Data Documentation

◆ m_arp

std::vector<Ptr<ArpCache> > ns3::aodv::Neighbors::m_arp

private

list of ARP cached to be used for layer 2 notifications processing

Definition at line 167 of file aodv-neighbor.h.

Referenced by AddArpCache(), DelArpCache(), and LookupMacAddress().

◆ m_handleLinkFailure

Callback<void, Ipv4Address> ns3::aodv::Neighbors::m_handleLinkFailure

private

link failure callback

Definition at line 159 of file aodv-neighbor.h.

Referenced by GetCallback(), Purge(), and SetCallback().

◆ m_nb

std::vector<Neighbor> ns3::aodv::Neighbors::m_nb

private

vector of entries

Definition at line 165 of file aodv-neighbor.h.

Referenced by Clear(), GetExpireTime(), IsNeighbor(), ProcessTxError(), Purge(), and Update().

◆ m_ntimer

Timer ns3::aodv::Neighbors::m_ntimer

private

Timer for neighbor's list. Schedule Purge().

Definition at line 163 of file aodv-neighbor.h.

Referenced by Neighbors(), Purge(), and ScheduleTimer().

◆ m_txErrorCallback

Callback<void, const WifiMacHeader&> ns3::aodv::Neighbors::m_txErrorCallback

private

TX error callback.

Definition at line 161 of file aodv-neighbor.h.

Referenced by Neighbors(), and GetTxErrorCallback().

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

src/aodv/model/aodv-neighbor.h
src/aodv/model/aodv-neighbor.cc

Classes

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ Neighbors()

Member Function Documentation

◆ AddArpCache()

◆ Clear()

◆ DelArpCache()

◆ GetCallback()

◆ GetExpireTime()

◆ GetTxErrorCallback()

◆ IsNeighbor()

◆ LookupMacAddress()

◆ ProcessTxError()

◆ Purge()

◆ ScheduleTimer()

◆ SetCallback()

◆ Update()

Member Data Documentation

◆ m_arp

◆ m_handleLinkFailure

◆ m_nb

◆ m_ntimer

◆ m_txErrorCallback