DSR error buffer. More...

#include <dsr-errorbuff.h>

Collaboration diagram for ns3::dsr::ErrorBuffer:

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

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

void	DropPacketForErrLink (Ipv4Address source, Ipv4Address nextHop)
	Remove all packets with the error link. More...

bool	Enqueue (ErrorBuffEntry &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...

std::vector< ErrorBuffEntry > &	GetBuffer ()

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

Fields
uint32_t	GetMaxQueueLen () const

void	SetMaxQueueLen (uint32_t len)

Time	GetErrorBufferTimeout () const

void	SetErrorBufferTimeout (Time t)

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

void	DropLink (ErrorBuffEntry 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	LinkEqual (ErrorBuffEntry en, const std::vector< Ipv4Address > link)
	Check if the send buffer entry is the same or not. More...

Private Attributes
std::vector< ErrorBuffEntry >	m_errorBuffer
	The send buffer to cache unsent packet. More...

Time	m_errorBufferTimeout
	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 error buffer.

Definition at line 148 of file dsr-errorbuff.h.

Constructor & Destructor Documentation

ns3::dsr::ErrorBuffer::ErrorBuffer ( )

inline

Default constructor.

Definition at line 154 of file dsr-errorbuff.h.

Member Function Documentation

bool ns3::dsr::ErrorBuffer::Dequeue	(	Ipv4Address	dst,
		ErrorBuffEntry &	entry
	)

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

Definition at line 108 of file dsr-errorbuff.cc.

References ns3::dsr::ErrorBuffEntry::GetPacket(), ns3::Packet::GetSize(), m_errorBuffer, NS_LOG_DEBUG, and Purge().

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

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void ns3::dsr::ErrorBuffer::Drop	(	ErrorBuffEntry	en,
		std::string	reason
	)

private

Notify that packet is dropped from queue by timeout.

Definition at line 177 of file dsr-errorbuff.cc.

References ns3::dsr::ErrorBuffEntry::GetDestination(), ns3::dsr::ErrorBuffEntry::GetPacket(), ns3::Packet::GetUid(), and NS_LOG_LOGIC.

Referenced by Enqueue(), and Purge().

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void ns3::dsr::ErrorBuffer::DropLink	(	ErrorBuffEntry	en,
		std::string	reason
	)

private

Notify that packet is dropped from queue by timeout.

Definition at line 186 of file dsr-errorbuff.cc.

References ns3::dsr::ErrorBuffEntry::GetNextHop(), ns3::dsr::ErrorBuffEntry::GetPacket(), ns3::dsr::ErrorBuffEntry::GetSource(), ns3::Packet::GetUid(), and NS_LOG_LOGIC.

Referenced by DropPacketForErrLink().

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void ns3::dsr::ErrorBuffer::DropPacketForErrLink	(	Ipv4Address	source,
		Ipv4Address	nextHop
	)

Remove all packets with the error link.

Definition at line 84 of file dsr-errorbuff.cc.

References DropLink(), LinkEqual(), list, m_errorBuffer, NS_LOG_FUNCTION, and Purge().

Referenced by ns3::dsr::DsrRouting::AddRoute(), and ns3::dsr::DsrRouting::AddRoute_Link().

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bool ns3::dsr::ErrorBuffer::Enqueue ( ErrorBuffEntry & entry )

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

Todo:: check the source and destination over here

Definition at line 52 of file dsr-errorbuff.cc.

References Drop(), ns3::dsr::ErrorBuffEntry::GetDestination(), ns3::dsr::ErrorBuffEntry::GetNextHop(), ns3::dsr::ErrorBuffEntry::GetPacket(), ns3::dsr::ErrorBuffEntry::GetSource(), ns3::Packet::GetUid(), m_errorBuffer, m_errorBufferTimeout, m_maxLen, NS_LOG_INFO, Purge(), and ns3::dsr::ErrorBuffEntry::SetExpireTime().

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

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bool ns3::dsr::ErrorBuffer::Find ( Ipv4Address dst )

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

Definition at line 128 of file dsr-errorbuff.cc.

References m_errorBuffer, and NS_LOG_DEBUG.

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

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std::vector<ErrorBuffEntry>& ns3::dsr::ErrorBuffer::GetBuffer ( )

inline

Definition at line 187 of file dsr-errorbuff.h.

References m_errorBuffer.

Time ns3::dsr::ErrorBuffer::GetErrorBufferTimeout ( ) const

inline

Definition at line 177 of file dsr-errorbuff.h.

References m_errorBufferTimeout.

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

inline

Definition at line 169 of file dsr-errorbuff.h.

References m_maxLen.

uint32_t ns3::dsr::ErrorBuffer::GetSize ( )

Number of entries.

Definition at line 45 of file dsr-errorbuff.cc.

References m_errorBuffer, and Purge().

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

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static bool ns3::dsr::ErrorBuffer::LinkEqual	(	ErrorBuffEntry	en,
		const std::vector< Ipv4Address >	link
	)

inlinestaticprivate

Check if the send buffer entry is the same or not.

Definition at line 206 of file dsr-errorbuff.h.

References ns3::dsr::ErrorBuffEntry::GetNextHop(), and ns3::dsr::ErrorBuffEntry::GetSource().

Referenced by DropPacketForErrLink().

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void ns3::dsr::ErrorBuffer::Purge ( )

private

Remove all expired entries.

Definition at line 156 of file dsr-errorbuff.cc.

References Drop(), m_errorBuffer, and NS_LOG_DEBUG.

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

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void ns3::dsr::ErrorBuffer::SetErrorBufferTimeout ( Time t )

inline

Definition at line 181 of file dsr-errorbuff.h.

References m_errorBufferTimeout.

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

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

inline

Definition at line 173 of file dsr-errorbuff.h.

References m_maxLen.

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

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Member Data Documentation

std::vector<ErrorBuffEntry> ns3::dsr::ErrorBuffer::m_errorBuffer

private

The send buffer to cache unsent packet.

Definition at line 194 of file dsr-errorbuff.h.

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

Time ns3::dsr::ErrorBuffer::m_errorBufferTimeout

private

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

Definition at line 204 of file dsr-errorbuff.h.

Referenced by Enqueue(), GetErrorBufferTimeout(), and SetErrorBufferTimeout().

uint32_t ns3::dsr::ErrorBuffer::m_maxLen

private

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

Definition at line 202 of file dsr-errorbuff.h.

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

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

src/dsr/model/dsr-errorbuff.h
src/dsr/model/dsr-errorbuff.cc

Public Member Functions

Private Member Functions

Static Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation