DSR maintain buffer. More...

#include <dsr-maintain-buff.h>

Collaboration diagram for ns3::dsr::MaintainBuffer:

Public Member Functions
	MaintainBuffer ()
	Default constructor. More...

bool	AllEqual (MaintainBuffEntry &entry)
	Verify if all the elements in the maintainence buffer entry is the same. More...

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

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

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

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

Time	GetMaintainBufferTimeout () const

uint32_t	GetMaxQueueLen () const

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

bool	LinkEqual (MaintainBuffEntry &entry)
	Verify if the maintain buffer entry is the same in every field for link ack. More...

bool	NetworkEqual (MaintainBuffEntry &entry)
	Verify if the maintain buffer entry is the same in every field for network ack. More...

bool	PromiscEqual (MaintainBuffEntry &entry)
	Verify if the maintain buffer entry is the same in every field for promiscuous ack. More...

void	SetMaintainBufferTimeout (Time t)

void	SetMaxQueueLen (uint32_t len)

Private Member Functions
void	Purge ()
	Remove all expired entries. More...

Static Private Member Functions
static bool	IsEqual (MaintainBuffEntry en, const Ipv4Address nextHop)
	Verify if the maintain buffer is equal or not. More...

Private Attributes
std::vector< NetworkKey >	m_allNetworkKey

std::vector< MaintainBuffEntry >	m_maintainBuffer
	The vector of maintain buffer entries. More...

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

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

Detailed Description

DSR maintain buffer.

Definition at line 250 of file dsr-maintain-buff.h.

Constructor & Destructor Documentation

ns3::dsr::MaintainBuffer::MaintainBuffer ( )

inline

Default constructor.

Definition at line 256 of file dsr-maintain-buff.h.

Member Function Documentation

bool ns3::dsr::MaintainBuffer::AllEqual ( MaintainBuffEntry & entry )

Verify if all the elements in the maintainence buffer entry is the same.

Definition at line 125 of file dsr-maintain-buff.cc.

References ns3::dsr::MaintainBuffEntry::GetAckId(), ns3::dsr::MaintainBuffEntry::GetDst(), ns3::dsr::MaintainBuffEntry::GetNextHop(), ns3::dsr::MaintainBuffEntry::GetOurAdd(), ns3::dsr::MaintainBuffEntry::GetSegsLeft(), ns3::dsr::MaintainBuffEntry::GetSrc(), and m_maintainBuffer.

Referenced by ns3::dsr::DsrRouting::ScheduleNetworkPacketRetry().

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bool ns3::dsr::MaintainBuffer::Dequeue	(	Ipv4Address	dst,
		MaintainBuffEntry &	entry
	)

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

Definition at line 93 of file dsr-maintain-buff.cc.

References ns3::dsr::MaintainBuffEntry::GetPacket(), ns3::Packet::GetSize(), m_maintainBuffer, NS_LOG_DEBUG, and Purge().

Referenced by ns3::dsr::DsrRouting::CancelPacketTimerNextHop().

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void ns3::dsr::MaintainBuffer::DropPacketWithNextHop ( Ipv4Address nextHop )

Remove all packets with destination IP address dst.

Definition at line 83 of file dsr-maintain-buff.cc.

References IsEqual(), m_maintainBuffer, NS_LOG_FUNCTION, NS_LOG_INFO, and Purge().

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bool ns3::dsr::MaintainBuffer::Enqueue ( MaintainBuffEntry & entry )

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

Definition at line 53 of file dsr-maintain-buff.cc.

References ns3::dsr::MaintainBuffEntry::GetAckId(), ns3::dsr::MaintainBuffEntry::GetDst(), ns3::dsr::MaintainBuffEntry::GetNextHop(), ns3::dsr::MaintainBuffEntry::GetOurAdd(), ns3::dsr::MaintainBuffEntry::GetSegsLeft(), ns3::dsr::MaintainBuffEntry::GetSrc(), m_maintainBuffer, m_maintainBufferTimeout, m_maxLen, NS_LOG_DEBUG, Purge(), and ns3::dsr::MaintainBuffEntry::SetExpireTime().

Referenced by ns3::dsr::DsrRouting::CheckSendBuffer(), ns3::dsr::DsrRouting::ForwardPacket(), ns3::dsr::DsrRouting::PacketNewRoute(), ns3::dsr::DsrRouting::ScheduleNetworkPacketRetry(), ns3::dsr::DsrRouting::Send(), and ns3::dsr::DsrRouting::SendPacketFromBuffer().

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bool ns3::dsr::MaintainBuffer::Find ( Ipv4Address nextHop )

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

Definition at line 110 of file dsr-maintain-buff.cc.

References m_maintainBuffer, and NS_LOG_DEBUG.

Referenced by ns3::dsr::DsrRouting::CancelPacketTimerNextHop().

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Time ns3::dsr::MaintainBuffer::GetMaintainBufferTimeout ( ) const

inline

Definition at line 279 of file dsr-maintain-buff.h.

References m_maintainBufferTimeout.

uint32_t ns3::dsr::MaintainBuffer::GetMaxQueueLen ( ) const

inline

Definition at line 271 of file dsr-maintain-buff.h.

References m_maxLen.

uint32_t ns3::dsr::MaintainBuffer::GetSize ( void )

Number of entries.

Definition at line 46 of file dsr-maintain-buff.cc.

References m_maintainBuffer, and Purge().

Referenced by ns3::dsr::DsrRouting::CancelLinkPacketTimer(), and ns3::dsr::DsrRouting::CancelPacketTimerNextHop().

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static bool ns3::dsr::MaintainBuffer::IsEqual	(	MaintainBuffEntry	en,
		const Ipv4Address	nextHop
	)

inlinestaticprivate

Verify if the maintain buffer is equal or not.

Definition at line 307 of file dsr-maintain-buff.h.

References ns3::dsr::MaintainBuffEntry::GetNextHop().

Referenced by DropPacketWithNextHop().

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bool ns3::dsr::MaintainBuffer::LinkEqual ( MaintainBuffEntry & entry )

Verify if the maintain buffer entry is the same in every field for link ack.

Definition at line 190 of file dsr-maintain-buff.cc.

References ns3::dsr::MaintainBuffEntry::GetDst(), ns3::dsr::MaintainBuffEntry::GetNextHop(), ns3::dsr::MaintainBuffEntry::GetOurAdd(), ns3::dsr::MaintainBuffEntry::GetSrc(), m_maintainBuffer, and NS_LOG_DEBUG.

Referenced by ns3::dsr::DsrRouting::CancelLinkPacketTimer().

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bool ns3::dsr::MaintainBuffer::NetworkEqual ( MaintainBuffEntry & entry )

Verify if the maintain buffer entry is the same in every field for network ack.

Definition at line 146 of file dsr-maintain-buff.cc.

References ns3::dsr::MaintainBuffEntry::GetAckId(), ns3::dsr::MaintainBuffEntry::GetDst(), ns3::dsr::MaintainBuffEntry::GetNextHop(), ns3::dsr::MaintainBuffEntry::GetOurAdd(), ns3::dsr::MaintainBuffEntry::GetSrc(), and m_maintainBuffer.

Referenced by ns3::dsr::DsrRouting::CancelNetworkPacketTimer().

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bool ns3::dsr::MaintainBuffer::PromiscEqual ( MaintainBuffEntry & entry )

Verify if the maintain buffer entry is the same in every field for promiscuous ack.

Definition at line 167 of file dsr-maintain-buff.cc.

References ns3::dsr::MaintainBuffEntry::GetAckId(), ns3::dsr::MaintainBuffEntry::GetDst(), ns3::dsr::MaintainBuffEntry::GetSegsLeft(), ns3::dsr::MaintainBuffEntry::GetSrc(), m_maintainBuffer, and NS_LOG_DEBUG.

Referenced by ns3::dsr::DsrRouting::CancelPassiveTimer().

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void ns3::dsr::MaintainBuffer::Purge ( )

private

Remove all expired entries.

Definition at line 223 of file dsr-maintain-buff.cc.

References m_maintainBuffer, and NS_LOG_DEBUG.

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

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void ns3::dsr::MaintainBuffer::SetMaintainBufferTimeout ( Time t )

inline

Definition at line 283 of file dsr-maintain-buff.h.

References m_maintainBufferTimeout.

Referenced by ns3::dsr::DsrRouting::Start().

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void ns3::dsr::MaintainBuffer::SetMaxQueueLen ( uint32_t len )

inline

Definition at line 275 of file dsr-maintain-buff.h.

References m_maxLen.

Referenced by ns3::dsr::DsrRouting::Start().

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Member Data Documentation

std::vector<NetworkKey> ns3::dsr::MaintainBuffer::m_allNetworkKey

private

Definition at line 299 of file dsr-maintain-buff.h.

std::vector<MaintainBuffEntry> ns3::dsr::MaintainBuffer::m_maintainBuffer

private

The vector of maintain buffer entries.

Definition at line 298 of file dsr-maintain-buff.h.

Referenced by AllEqual(), Dequeue(), DropPacketWithNextHop(), Enqueue(), Find(), GetSize(), LinkEqual(), NetworkEqual(), PromiscEqual(), and Purge().

Time ns3::dsr::MaintainBuffer::m_maintainBufferTimeout

private

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

Definition at line 305 of file dsr-maintain-buff.h.

Referenced by Enqueue(), GetMaintainBufferTimeout(), and SetMaintainBufferTimeout().

uint32_t ns3::dsr::MaintainBuffer::m_maxLen

private

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

Definition at line 303 of file dsr-maintain-buff.h.

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

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

src/dsr/model/dsr-maintain-buff.h
src/dsr/model/dsr-maintain-buff.cc

Public Member Functions

Private Member Functions

Static Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation