ns3::aodv::IdCache Class Reference

Unique packets identification cache used for simple duplicate detection. More...

#include "aodv-id-cache.h"

Collaboration diagram for ns3::aodv::IdCache:

Classes
struct	IsExpired
	IsExpired structure. More...
struct	UniqueId
	Unique packet ID. More...

Public Member Functions
	IdCache (Time lifetime)
	constructor More...
Time	GetLifeTime () const
	Return lifetime for existing entries in cache. More...
uint32_t	GetSize ()
bool	IsDuplicate (Ipv4Address addr, uint32_t id)
	Check that entry (addr, id) exists in cache. More...
void	Purge ()
	Remove all expired entries. More...
void	SetLifetime (Time lifetime)
	Set lifetime for future added entries. More...

Private Attributes
std::vector< UniqueId >	m_idCache
	Already seen IDs. More...
Time	m_lifetime
	Default lifetime for ID records. More...

Detailed Description

Unique packets identification cache used for simple duplicate detection.

Definition at line 45 of file aodv-id-cache.h.

Constructor & Destructor Documentation

IdCache()

ns3::aodv::IdCache::IdCache ( Time  lifetime )

inline

constructor

Parameters

lifetime

the lifetime for added entries

Definition at line 52 of file aodv-id-cache.h.

Member Function Documentation

GetLifeTime()

Time ns3::aodv::IdCache::GetLifeTime ( ) const

inline

Return lifetime for existing entries in cache.

Returns

the lifetime

Definition at line 84 of file aodv-id-cache.h.

References m_lifetime.

Referenced by ns3::aodv::IdCacheTest::DoRun(), and ns3::aodv::DuplicatePacketDetection::GetLifetime().

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GetSize()

uint32_t ns3::aodv::IdCache::GetSize

(

)

Returns

number of entries in cache

Definition at line 58 of file aodv-id-cache.cc.

References m_idCache, and Purge().

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

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IsDuplicate()

bool ns3::aodv::IdCache::IsDuplicate	(	Ipv4Address	addr,
		uint32_t	id
	)

Check that entry (addr, id) exists in cache.

Add entry, if it doesn't exist.

Parameters

addr	the IP address
id	the cache entry ID

Returns

true if the pair exists

Definition at line 36 of file aodv-id-cache.cc.

References m_idCache, m_lifetime, ns3::Simulator::Now(), and Purge().

Referenced by ns3::aodv::IdCacheTest::DoRun(), ns3::aodv::DuplicatePacketDetection::IsDuplicate(), ns3::aodv::RoutingProtocol::RecvRequest(), and ns3::aodv::RoutingProtocol::SendRequest().

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Purge()

void ns3::aodv::IdCache::Purge

(

)

Remove all expired entries.

Definition at line 52 of file aodv-id-cache.cc.

References m_idCache.

Referenced by GetSize(), and IsDuplicate().

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SetLifetime()

void ns3::aodv::IdCache::SetLifetime ( Time  lifetime )

inline

Set lifetime for future added entries.

Parameters

lifetime

the lifetime for entries

Definition at line 75 of file aodv-id-cache.h.

References m_lifetime.

Referenced by ns3::aodv::IdCacheTest::DoRun(), and ns3::aodv::DuplicatePacketDetection::SetLifetime().

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Member Data Documentation

m_idCache

std::vector<UniqueId> ns3::aodv::IdCache::m_idCache

private

Already seen IDs.

Definition at line 119 of file aodv-id-cache.h.

Referenced by GetSize(), IsDuplicate(), and Purge().

m_lifetime

Time ns3::aodv::IdCache::m_lifetime

private

Default lifetime for ID records.

Definition at line 121 of file aodv-id-cache.h.

Referenced by GetLifeTime(), IsDuplicate(), and SetLifetime().

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

• src/aodv/model/aodv-id-cache.h
• src/aodv/model/aodv-id-cache.cc