AODV route request queue. More...

#include "aodv-rqueue.h"

Collaboration diagram for ns3::aodv::RequestQueue:

Public Member Functions
	RequestQueue (uint32_t maxLen, Time routeToQueueTimeout)
	Default c-tor. More...

bool	Dequeue (Ipv4Address dst, QueueEntry &entry)
	Return first found (the earliest) entry for given destination. More...

void	DropPacketWithDst (Ipv4Address dst)
	Remove all packets with destination IP address dst. More...

bool	Enqueue (QueueEntry &entry)
	Push entry in queue, if there is no entry with the same packet and destination address in queue. More...

bool	Find (Ipv4Address dst)
	Finds whether a packet with destination dst exists in the queue. More...

uint32_t	GetMaxQueueLen () const

Time	GetQueueTimeout () const

uint32_t	GetSize ()
	Number of entries. More...

void	SetMaxQueueLen (uint32_t len)

void	SetQueueTimeout (Time t)

Private Member Functions
void	Drop (QueueEntry en, std::string reason)
	Notify that packet is dropped from queue by timeout. More...

void	Purge ()
	Remove all expired entries. More...

Static Private Member Functions
static bool	IsEqual (QueueEntry en, const Ipv4Address dst)

Private Attributes
uint32_t	m_maxLen
	The maximum number of packets that we allow a routing protocol to buffer. More...

std::vector< QueueEntry >	m_queue

Time	m_queueTimeout
	The maximum period of time that a routing protocol is allowed to buffer a packet for, seconds. More...

Detailed Description

AODV route request queue.

Since AODV is an on demand routing we queue requests while looking for route.

Definition at line 96 of file aodv-rqueue.h.

Constructor & Destructor Documentation

ns3::aodv::RequestQueue::RequestQueue	(	uint32_t	maxLen,
		Time	routeToQueueTimeout
	)

inline

Default c-tor.

Definition at line 100 of file aodv-rqueue.h.

Member Function Documentation

bool ns3::aodv::RequestQueue::Dequeue	(	Ipv4Address	dst,
		QueueEntry &	entry
	)

Return first found (the earliest) entry for given destination.

Definition at line 89 of file aodv-rqueue.cc.

References m_queue, and Purge().

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

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void ns3::aodv::RequestQueue::Drop	(	QueueEntry	en,
		std::string	reason
	)

private

Notify that packet is dropped from queue by timeout.

Definition at line 142 of file aodv-rqueue.cc.

References ns3::Socket::ERROR_NOROUTETOHOST, ns3::Ipv4Header::GetDestination(), ns3::aodv::QueueEntry::GetErrorCallback(), ns3::aodv::QueueEntry::GetIpv4Header(), ns3::aodv::QueueEntry::GetPacket(), ns3::Packet::GetUid(), and NS_LOG_LOGIC.

Referenced by DropPacketWithDst(), Enqueue(), and Purge().

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void ns3::aodv::RequestQueue::DropPacketWithDst ( Ipv4Address dst )

Remove all packets with destination IP address dst.

Definition at line 72 of file aodv-rqueue.cc.

References Drop(), IsEqual(), m_queue, NS_LOG_FUNCTION, and Purge().

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

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bool ns3::aodv::RequestQueue::Enqueue ( QueueEntry & entry )

Push entry in queue, if there is no entry with the same packet and destination address in queue.

Definition at line 50 of file aodv-rqueue.cc.

References Drop(), ns3::Ipv4Header::GetDestination(), ns3::aodv::QueueEntry::GetIpv4Header(), ns3::aodv::QueueEntry::GetPacket(), ns3::Packet::GetUid(), m_maxLen, m_queue, m_queueTimeout, Purge(), and ns3::aodv::QueueEntry::SetExpireTime().

Referenced by ns3::aodv::AodvRqueueTest::CheckSizeLimit(), ns3::aodv::RoutingProtocol::DeferredRouteOutput(), and ns3::aodv::AodvRqueueTest::DoRun().

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bool ns3::aodv::RequestQueue::Find ( Ipv4Address dst )

Finds whether a packet with destination dst exists in the queue.

Definition at line 105 of file aodv-rqueue.cc.

References m_queue.

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

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uint32_t ns3::aodv::RequestQueue::GetMaxQueueLen ( ) const

inline

Definition at line 116 of file aodv-rqueue.h.

References m_maxLen.

Referenced by ns3::aodv::AodvRqueueTest::CheckSizeLimit(), and ns3::aodv::AodvRqueueTest::DoRun().

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Time ns3::aodv::RequestQueue::GetQueueTimeout ( ) const

inline

Definition at line 118 of file aodv-rqueue.h.

References m_queueTimeout.

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

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uint32_t ns3::aodv::RequestQueue::GetSize ( )

Number of entries.

Definition at line 43 of file aodv-rqueue.cc.

References m_queue, and Purge().

Referenced by ns3::aodv::AodvRqueueTest::CheckSizeLimit(), ns3::aodv::AodvRqueueTest::CheckTimeout(), and ns3::aodv::AodvRqueueTest::DoRun().

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static bool ns3::aodv::RequestQueue::IsEqual	(	QueueEntry	en,
		const Ipv4Address	dst
	)

inlinestaticprivate

Definition at line 132 of file aodv-rqueue.h.

References ns3::Ipv4Header::GetDestination(), and ns3::aodv::QueueEntry::GetIpv4Header().

Referenced by DropPacketWithDst().

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void ns3::aodv::RequestQueue::Purge ( )

private

Remove all expired entries.

Definition at line 126 of file aodv-rqueue.cc.

References Drop(), and m_queue.

Referenced by Dequeue(), DropPacketWithDst(), Enqueue(), and GetSize().

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void ns3::aodv::RequestQueue::SetMaxQueueLen ( uint32_t len )

inline

Definition at line 117 of file aodv-rqueue.h.

References m_maxLen.

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

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void ns3::aodv::RequestQueue::SetQueueTimeout ( Time t )

inline

Definition at line 119 of file aodv-rqueue.h.

References m_queueTimeout.

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

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Member Data Documentation

uint32_t ns3::aodv::RequestQueue::m_maxLen

private

The maximum number of packets that we allow a routing protocol to buffer.

Definition at line 129 of file aodv-rqueue.h.

Referenced by Enqueue(), GetMaxQueueLen(), and SetMaxQueueLen().

std::vector<QueueEntry> ns3::aodv::RequestQueue::m_queue

private

Definition at line 123 of file aodv-rqueue.h.

Referenced by Dequeue(), DropPacketWithDst(), Enqueue(), Find(), GetSize(), and Purge().

Time ns3::aodv::RequestQueue::m_queueTimeout

private

The maximum period of time that a routing protocol is allowed to buffer a packet for, seconds.

Definition at line 131 of file aodv-rqueue.h.

Referenced by Enqueue(), GetQueueTimeout(), and SetQueueTimeout().

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

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

Public Member Functions

Private Member Functions

Static Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation