maintain list of DsrRreqTable entry More...

#include "dsr-rreq-table.h"

Inheritance diagram for ns3::dsr::DsrRreqTable:

Collaboration diagram for ns3::dsr::DsrRreqTable:

Classes
struct	IsExpired
	Check if the entry is expired or not. More...

Public Member Functions
	DsrRreqTable ()

	~DsrRreqTable () override

uint32_t	CheckUniqueRreqId (Ipv4Address dst)
	The following code generates new request id for each destination.

void	FindAndUpdate (Ipv4Address dst)
	Find the entry in the route request queue to see if already exists.

bool	FindSourceEntry (Ipv4Address src, Ipv4Address dst, uint16_t id)
	Find the source request entry in the route request queue, return false if not found.

BlackList *	FindUnidirectional (Ipv4Address neighbor)
	Verify if entry is unidirectional or not(e.g.

uint32_t	GetInitHopLimit () const
	Return the initial discovert hop limit.

uint32_t	GetRreqCnt (Ipv4Address dst)
	Get the request count number for one destination address.

uint32_t	GetRreqIdSize () const
	Return the maximum number of request source Ids in the request table.

uint32_t	GetRreqSize ()
	Get the request id size.

uint32_t	GetRreqTableSize () const
	Return the maximum number of request entries in the request table.

uint32_t	GetUniqueRreqIdSize () const
	Return the maximum number of request Ids in the request table for a single destination.

void	Invalidate ()
	set the unidirectional entry as QUESTIONABLE state

bool	MarkLinkAsUnidirectional (Ipv4Address neighbor, Time blacklistTimeout)
	Mark entry as unidirectional (e.g.

void	PurgeNeighbor ()
	Remove all expired black list entries.

void	RemoveLeastExpire ()
	Remove the least used entry.

void	RemoveRreqEntry (Ipv4Address dst)
	Remove route request entry for dst.

void	SetInitHopLimit (uint32_t hl)
	Set the initial discovert hop limit.

void	SetRreqIdSize (uint32_t id)
	Set the maximum number of request source Ids in the request table.

void	SetRreqTableSize (uint32_t rt)
	Set the maximum number of request entries in the request table.

void	SetUniqueRreqIdSize (uint32_t uid)
	Set the maximum number of request Ids in the request table for a single destination.

Public Member Functions inherited from ns3::Object
	Object ()
	Constructor.

	~Object () override
	Destructor.

void	AggregateObject (Ptr< Object > other)
	Aggregate two Objects together.

void	Dispose ()
	Dispose of this Object.

AggregateIterator	GetAggregateIterator () const
	Get an iterator to the Objects aggregated to this one.

TypeId	GetInstanceTypeId () const override
	Get the most derived TypeId for this Object.

template<typename T >
Ptr< T >	GetObject () const
	Get a pointer to the requested aggregated Object.

template<>
Ptr< Object >	GetObject () const
	Specialization of () for objects of type ns3::Object.

template<typename T >
Ptr< T >	GetObject (TypeId tid) const
	Get a pointer to the requested aggregated Object by TypeId.

template<>
Ptr< Object >	GetObject (TypeId tid) const
	Specialization of (TypeId tid) for objects of type ns3::Object.

void	Initialize ()
	Invoke DoInitialize on all Objects aggregated to this one.

bool	IsInitialized () const
	Check if the object has been initialized.

void	UnidirectionalAggregateObject (Ptr< Object > other)
	Aggregate an Object to another Object.

Public Member Functions inherited from ns3::SimpleRefCount< Object, ObjectBase, ObjectDeleter >
	SimpleRefCount ()
	Default constructor.

	SimpleRefCount (const SimpleRefCount &o)
	Copy constructor.

uint32_t	GetReferenceCount () const
	Get the reference count of the object.

SimpleRefCount &	operator= (const SimpleRefCount &o)
	Assignment operator.

void	Ref () const
	Increment the reference count.

void	Unref () const
	Decrement the reference count.

Public Member Functions inherited from ns3::ObjectBase
virtual	~ObjectBase ()
	Virtual destructor.

void	GetAttribute (std::string name, AttributeValue &value, bool permissive=false) const
	Get the value of an attribute, raising fatal errors if unsuccessful.

bool	GetAttributeFailSafe (std::string name, AttributeValue &value) const
	Get the value of an attribute without raising errors.

void	SetAttribute (std::string name, const AttributeValue &value)
	Set a single attribute, raising fatal errors if unsuccessful.

bool	SetAttributeFailSafe (std::string name, const AttributeValue &value)
	Set a single attribute without raising errors.

bool	TraceConnect (std::string name, std::string context, const CallbackBase &cb)
	Connect a TraceSource to a Callback with a context.

bool	TraceConnectWithoutContext (std::string name, const CallbackBase &cb)
	Connect a TraceSource to a Callback without a context.

bool	TraceDisconnect (std::string name, std::string context, const CallbackBase &cb)
	Disconnect from a TraceSource a Callback previously connected with a context.

bool	TraceDisconnectWithoutContext (std::string name, const CallbackBase &cb)
	Disconnect from a TraceSource a Callback previously connected without a context.

Static Public Member Functions
static TypeId	GetTypeId ()
	Get the type ID.

Static Public Member Functions inherited from ns3::Object
static TypeId	GetTypeId ()
	Register this type.

Static Public Member Functions inherited from ns3::ObjectBase
static TypeId	GetTypeId ()
	Get the type ID.

Private Attributes
std::vector< BlackList >	m_blackList
	The Black list.

uint32_t	m_initHopLimit
	The initial hop limit.

LinkStates	m_linkStates
	The state of the unidirectional link.

uint32_t	m_maxRreqId
	The unique request id for any destination.

uint32_t	m_requestIdSize
	The request source id size.

uint32_t	m_requestTableSize
	The request table size.

std::map< Ipv4Address, RreqTableEntry >	m_rreqDstMap
	The cache to save route request table entries indexed with destination address.

Time	m_rreqEntryExpire
	The source route entry expire time.

std::map< Ipv4Address, uint32_t >	m_rreqIdCache
	The id cache to ensure all the ids are unique, it is used when sending out route request.

std::list< DsrReceivedRreqEntry >	m_sourceRequests
	Map of entries.

std::map< Ipv4Address, std::list< DsrReceivedRreqEntry > >	m_sourceRreqMap
	The cache to ensure all the route request from unique source.

Time	MaxRequestPeriod
	The max request period among requests.

Time	NonpropRequestTimeout
	The non-propagation request timeout.

Time	RequestPeriod
	The original request period.

Additional Inherited Members
Protected Member Functions inherited from ns3::Object
	Object (const Object &o)
	Copy an Object.

virtual void	DoDispose ()
	Destructor implementation.

virtual void	DoInitialize ()
	Initialize() implementation.

virtual void	NotifyNewAggregate ()
	Notify all Objects aggregated to this one of a new Object being aggregated.

Protected Member Functions inherited from ns3::ObjectBase
void	ConstructSelf (const AttributeConstructionList &attributes)
	Complete construction of ObjectBase; invoked by derived classes.

virtual void	NotifyConstructionCompleted ()
	Notifier called once the ObjectBase is fully constructed.

Related Symbols inherited from ns3::ObjectBase
static TypeId	GetObjectIid ()
	Ensure the TypeId for ObjectBase gets fully configured to anchor the inheritance tree properly.

Detailed Description

maintain list of DsrRreqTable entry

Definition at line 201 of file dsr-rreq-table.h.

Constructor & Destructor Documentation

◆ DsrRreqTable()

ns3::dsr::DsrRreqTable::DsrRreqTable ( )

Definition at line 47 of file dsr-rreq-table.cc.

◆ ~DsrRreqTable()

ns3::dsr::DsrRreqTable::~DsrRreqTable ( )

override

Definition at line 52 of file dsr-rreq-table.cc.

References NS_LOG_FUNCTION_NOARGS.

Member Function Documentation

◆ CheckUniqueRreqId()

uint32_t ns3::dsr::DsrRreqTable::CheckUniqueRreqId ( Ipv4Address dst )

The following code generates new request id for each destination.

Check for duplicate ids and save new entries if the id is not present in the table.

Parameters

dst	IPv4 address of the destination

Returns: id

Definition at line 146 of file dsr-rreq-table.cc.

References m_maxRreqId, m_rreqIdCache, NS_LOG_DEBUG, NS_LOG_INFO, and NS_LOG_LOGIC.

◆ FindAndUpdate()

void ns3::dsr::DsrRreqTable::FindAndUpdate ( Ipv4Address dst )

Find the entry in the route request queue to see if already exists.

Parameters

dst	Destination IP

Definition at line 77 of file dsr-rreq-table.cc.

References ns3::dsr::RreqTableEntry::m_expire, ns3::dsr::RreqTableEntry::m_reqNo, m_requestTableSize, m_rreqDstMap, ns3::Simulator::Now(), NS_LOG_FUNCTION, NS_LOG_INFO, NS_LOG_LOGIC, and RemoveLeastExpire().

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◆ FindSourceEntry()

bool ns3::dsr::DsrRreqTable::FindSourceEntry	(	Ipv4Address	src,
		Ipv4Address	dst,
		uint16_t	id )

Find the source request entry in the route request queue, return false if not found.

Parameters

src	the source address we just received the source request
dst	the destination address the request is targeted at
id	the identification number for this request

Returns: true if found, false otherwise

Clear the received source request entry

Check if we have found one duplication entry or not

if this entry is not found, we need to save the entry in the cache, and then return false for the check

Definition at line 240 of file dsr-rreq-table.cc.

References m_requestIdSize, m_sourceRreqMap, NS_LOG_FUNCTION, NS_LOG_LOGIC, ns3::dsr::DsrReceivedRreqEntry::SetDestination(), and ns3::dsr::DsrReceivedRreqEntry::SetIdentification().

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◆ FindUnidirectional()

BlackList * ns3::dsr::DsrRreqTable::FindUnidirectional ( Ipv4Address neighbor )

Verify if entry is unidirectional or not(e.g.

add this neighbor to "blacklist" for blacklistTimeout period)

Parameters

neighbor neighbor address link to which assumed to be unidirectional

Returns: true on success

Definition at line 197 of file dsr-rreq-table.cc.

References m_blackList, and PurgeNeighbor().

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◆ GetInitHopLimit()

uint32_t ns3::dsr::DsrRreqTable::GetInitHopLimit ( ) const

inline

Return the initial discovert hop limit.

Returns: the initial discovert hop limit

Definition at line 228 of file dsr-rreq-table.h.

References m_initHopLimit.

◆ GetRreqCnt()

uint32_t ns3::dsr::DsrRreqTable::GetRreqCnt ( Ipv4Address dst )

Get the request count number for one destination address.

Parameters

dst	Destination IP

Returns: the route request counter

Definition at line 126 of file dsr-rreq-table.cc.

References ns3::dsr::RreqTableEntry::m_reqNo, m_rreqDstMap, NS_LOG_FUNCTION, and NS_LOG_LOGIC.

◆ GetRreqIdSize()

uint32_t ns3::dsr::DsrRreqTable::GetRreqIdSize ( ) const

inline

Return the maximum number of request source Ids in the request table.

Returns: the maximum number of request source Ids

Definition at line 272 of file dsr-rreq-table.h.

References m_requestIdSize.

◆ GetRreqSize()

uint32_t ns3::dsr::DsrRreqTable::GetRreqSize ( )

Get the request id size.

Returns: the request id size

Definition at line 176 of file dsr-rreq-table.cc.

References m_rreqIdCache.

◆ GetRreqTableSize()

uint32_t ns3::dsr::DsrRreqTable::GetRreqTableSize ( ) const

inline

Return the maximum number of request entries in the request table.

Returns: the maximum number of request entries

Definition at line 250 of file dsr-rreq-table.h.

References m_requestTableSize.

◆ GetTypeId()

TypeId ns3::dsr::DsrRreqTable::GetTypeId ( )

static

Get the type ID.

Returns: the object TypeId

Definition at line 38 of file dsr-rreq-table.cc.

References ns3::TypeId::SetParent().

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◆ GetUniqueRreqIdSize()

uint32_t ns3::dsr::DsrRreqTable::GetUniqueRreqIdSize ( ) const

inline

Return the maximum number of request Ids in the request table for a single destination.

Returns: the maximum number of request Ids

Definition at line 294 of file dsr-rreq-table.h.

References m_maxRreqId.

◆ Invalidate()

void ns3::dsr::DsrRreqTable::Invalidate ( )

set the unidirectional entry as QUESTIONABLE state

Definition at line 187 of file dsr-rreq-table.cc.

References m_linkStates, and ns3::dsr::QUESTIONABLE.

◆ MarkLinkAsUnidirectional()

bool ns3::dsr::DsrRreqTable::MarkLinkAsUnidirectional	(	Ipv4Address	neighbor,
		Time	blacklistTimeout )

Mark entry as unidirectional (e.g.

add this neighbor to "blacklist" for blacklistTimeout period)

Parameters

neighbor	neighbor address link to which assumed to be unidirectional
blacklistTimeout	time for which the neighboring node is put into the blacklist

Returns: true on success

Definition at line 211 of file dsr-rreq-table.cc.

References m_blackList, ns3::Simulator::Now(), NS_LOG_DEBUG, NS_LOG_LOGIC, and PurgeNeighbor().

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◆ PurgeNeighbor()

void ns3::dsr::DsrRreqTable::PurgeNeighbor ( )

Remove all expired black list entries.

Definition at line 230 of file dsr-rreq-table.cc.

References m_blackList.

Referenced by FindUnidirectional(), and MarkLinkAsUnidirectional().

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◆ RemoveLeastExpire()

void ns3::dsr::DsrRreqTable::RemoveLeastExpire ( )

Remove the least used entry.

Definition at line 58 of file dsr-rreq-table.cc.

References ns3::dsr::RreqTableEntry::m_expire, m_rreqDstMap, NS_LOG_FUNCTION, and ns3::Seconds().

Referenced by FindAndUpdate().

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◆ RemoveRreqEntry()

void ns3::dsr::DsrRreqTable::RemoveRreqEntry ( Ipv4Address dst )

Remove route request entry for dst.

Parameters

dst	Destination IP

Definition at line 110 of file dsr-rreq-table.cc.

References m_rreqDstMap, NS_LOG_FUNCTION, and NS_LOG_LOGIC.

◆ SetInitHopLimit()

void ns3::dsr::DsrRreqTable::SetInitHopLimit ( uint32_t hl )

inline

Set the initial discovert hop limit.

Parameters

hl	the initial discovert hop limit

Definition at line 218 of file dsr-rreq-table.h.

References m_initHopLimit.

◆ SetRreqIdSize()

void ns3::dsr::DsrRreqTable::SetRreqIdSize ( uint32_t id )

inline

Set the maximum number of request source Ids in the request table.

Parameters

id	the maximum number of request source Ids

Definition at line 261 of file dsr-rreq-table.h.

References m_requestIdSize.

◆ SetRreqTableSize()

void ns3::dsr::DsrRreqTable::SetRreqTableSize ( uint32_t rt )

inline

Set the maximum number of request entries in the request table.

Parameters

rt	the maximum number of request entries

Definition at line 239 of file dsr-rreq-table.h.

References m_requestTableSize.

◆ SetUniqueRreqIdSize()

void ns3::dsr::DsrRreqTable::SetUniqueRreqIdSize ( uint32_t uid )

inline

Set the maximum number of request Ids in the request table for a single destination.

Parameters

uid	the maximum number of request Ids

Definition at line 283 of file dsr-rreq-table.h.

References m_maxRreqId.

Member Data Documentation

◆ m_blackList

std::vector<BlackList> ns3::dsr::DsrRreqTable::m_blackList

private

The Black list.

Definition at line 389 of file dsr-rreq-table.h.

Referenced by FindUnidirectional(), MarkLinkAsUnidirectional(), and PurgeNeighbor().

◆ m_initHopLimit

uint32_t ns3::dsr::DsrRreqTable::m_initHopLimit

private

The initial hop limit.

Definition at line 370 of file dsr-rreq-table.h.

Referenced by GetInitHopLimit(), and SetInitHopLimit().

◆ m_linkStates

LinkStates ns3::dsr::DsrRreqTable::m_linkStates

private

The state of the unidirectional link.

Definition at line 378 of file dsr-rreq-table.h.

Referenced by Invalidate().

◆ m_maxRreqId

uint32_t ns3::dsr::DsrRreqTable::m_maxRreqId

private

The unique request id for any destination.

Definition at line 376 of file dsr-rreq-table.h.

Referenced by CheckUniqueRreqId(), GetUniqueRreqIdSize(), and SetUniqueRreqIdSize().

◆ m_requestIdSize

uint32_t ns3::dsr::DsrRreqTable::m_requestIdSize

private

The request source id size.

Definition at line 374 of file dsr-rreq-table.h.

Referenced by FindSourceEntry(), GetRreqIdSize(), and SetRreqIdSize().

◆ m_requestTableSize

uint32_t ns3::dsr::DsrRreqTable::m_requestTableSize

private

The request table size.

Definition at line 372 of file dsr-rreq-table.h.

Referenced by FindAndUpdate(), GetRreqTableSize(), and SetRreqTableSize().

◆ m_rreqDstMap

std::map<Ipv4Address, RreqTableEntry> ns3::dsr::DsrRreqTable::m_rreqDstMap

private

The cache to save route request table entries indexed with destination address.

Definition at line 384 of file dsr-rreq-table.h.

Referenced by FindAndUpdate(), GetRreqCnt(), RemoveLeastExpire(), and RemoveRreqEntry().

◆ m_rreqEntryExpire

Time ns3::dsr::DsrRreqTable::m_rreqEntryExpire

private

The source route entry expire time.

Definition at line 368 of file dsr-rreq-table.h.

◆ m_rreqIdCache

std::map<Ipv4Address, uint32_t> ns3::dsr::DsrRreqTable::m_rreqIdCache

private

The id cache to ensure all the ids are unique, it is used when sending out route request.

Definition at line 382 of file dsr-rreq-table.h.

Referenced by CheckUniqueRreqId(), and GetRreqSize().

◆ m_sourceRequests

std::list<DsrReceivedRreqEntry> ns3::dsr::DsrRreqTable::m_sourceRequests

private

Map of entries.

Definition at line 380 of file dsr-rreq-table.h.

◆ m_sourceRreqMap

std::map<Ipv4Address, std::list<DsrReceivedRreqEntry> > ns3::dsr::DsrRreqTable::m_sourceRreqMap

private

The cache to ensure all the route request from unique source.

Definition at line 386 of file dsr-rreq-table.h.

Referenced by FindSourceEntry().

◆ MaxRequestPeriod

Time ns3::dsr::DsrRreqTable::MaxRequestPeriod

private

The max request period among requests.

Definition at line 362 of file dsr-rreq-table.h.

◆ NonpropRequestTimeout

Time ns3::dsr::DsrRreqTable::NonpropRequestTimeout

private

The non-propagation request timeout.

Definition at line 366 of file dsr-rreq-table.h.

◆ RequestPeriod

Time ns3::dsr::DsrRreqTable::RequestPeriod

private

The original request period.

Definition at line 364 of file dsr-rreq-table.h.

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

src/dsr/model/dsr-rreq-table.h
src/dsr/model/dsr-rreq-table.cc

Classes

Public Member Functions

Static Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ DsrRreqTable()

◆ ~DsrRreqTable()

Member Function Documentation

◆ CheckUniqueRreqId()

◆ FindAndUpdate()

◆ FindSourceEntry()

◆ FindUnidirectional()

◆ GetInitHopLimit()

◆ GetRreqCnt()

◆ GetRreqIdSize()

◆ GetRreqSize()

◆ GetRreqTableSize()

◆ GetTypeId()

◆ GetUniqueRreqIdSize()

◆ Invalidate()

◆ MarkLinkAsUnidirectional()

◆ PurgeNeighbor()

◆ RemoveLeastExpire()

◆ RemoveRreqEntry()

◆ SetInitHopLimit()

◆ SetRreqIdSize()

◆ SetRreqTableSize()

◆ SetUniqueRreqIdSize()

Member Data Documentation

◆ m_blackList

◆ m_initHopLimit

◆ m_linkStates

◆ m_maxRreqId

◆ m_requestIdSize

◆ m_requestTableSize

◆ m_rreqDstMap

◆ m_rreqEntryExpire

◆ m_rreqIdCache

◆ m_sourceRequests

◆ m_sourceRreqMap

◆ MaxRequestPeriod

◆ NonpropRequestTimeout

◆ RequestPeriod