This class keeps track of the predictablities to see a specific EID. More...

#include <DeliveryPredictabilityMap.h>

Inheritance diagram for dtn::routing::DeliveryPredictabilityMap:

Collaboration diagram for dtn::routing::DeliveryPredictabilityMap:

Classes
class	ValueNotFoundException

Public Member Functions
	DeliveryPredictabilityMap ()

	DeliveryPredictabilityMap (const size_t &time_unit, const float &beta, const float &gamma)

virtual	~DeliveryPredictabilityMap ()

virtual const dtn::data::Number &	getIdentifier () const

virtual dtn::data::Length	getLength () const

virtual std::ostream &	serialize (std::ostream &stream) const

virtual std::istream &	deserialize (std::istream &stream)

float	get (const dtn::data::EID &neighbor) const throw (ValueNotFoundException)

void	set (const dtn::data::EID &neighbor, float value)

void	clear ()

void	update (const dtn::data::EID &origin, const DeliveryPredictabilityMap &dpm, const float &p_encounter_first)

void	age (const float &p_first_threshold)

void	toString (std::ostream &stream) const

Public Member Functions inherited from dtn::routing::NeighborDataSetImpl
	NeighborDataSetImpl (const dtn::data::Number &id)

virtual	~NeighborDataSetImpl ()=0

Public Member Functions inherited from dtn::routing::NodeHandshakeItem
virtual	~NodeHandshakeItem ()

Public Member Functions inherited from ibrcommon::Mutex
	Mutex (MUTEX_TYPE type=MUTEX_NORMAL)

virtual	~Mutex ()

virtual void	trylock () throw (MutexException)

virtual void	enter () throw (MutexException)

virtual void	leave () throw (MutexException)

Public Member Functions inherited from ibrcommon::MutexInterface
virtual	~MutexInterface ()=0

Static Public Attributes
static const dtn::data::Number	identifier = NodeHandshakeItem::DELIVERY_PREDICTABILITY_MAP

Friends
std::ostream &	operator<< (std::ostream &stream, const DeliveryPredictabilityMap &map)

Additional Inherited Members
Public Types inherited from dtn::routing::NodeHandshakeItem
enum	IDENTIFIER { BLOOM_FILTER_SUMMARY_VECTOR = 1, BLOOM_FILTER_PURGE_VECTOR = 2, DELIVERY_PREDICTABILITY_MAP = 3, PROPHET_ACKNOWLEDGEMENT_SET = 4 }

Public Types inherited from ibrcommon::Mutex
enum	MUTEX_TYPE { MUTEX_NORMAL = PTHREAD_MUTEX_NORMAL, MUTEX_RECURSIVE = PTHREAD_MUTEX_RECURSIVE, MUTEX_ERRORCHECK = PTHREAD_MUTEX_ERRORCHECK }

Static Public Member Functions inherited from ibrcommon::Mutex
static MutexInterface &	dummy ()

Public Attributes inherited from dtn::routing::NeighborDataSetImpl
const dtn::data::Number	_dataset_id

Protected Attributes inherited from ibrcommon::Mutex
pthread_mutex_t	m_mutex

pthread_mutexattr_t	m_attr

Detailed Description

This class keeps track of the predictablities to see a specific EID.

This class can be used as a map from EID to float. Also, it can be serialized as a NodeHandshakeItem to be exchanged with neighbors.

Definition at line 27 of file DeliveryPredictabilityMap.h.

Constructor & Destructor Documentation

dtn::routing::DeliveryPredictabilityMap::DeliveryPredictabilityMap ( )

Definition at line 20 of file DeliveryPredictabilityMap.cpp.

dtn::routing::DeliveryPredictabilityMap::DeliveryPredictabilityMap	(	const size_t &	time_unit,
		const float &	beta,
		const float &	gamma
	)

Definition at line 25 of file DeliveryPredictabilityMap.cpp.

dtn::routing::DeliveryPredictabilityMap::~DeliveryPredictabilityMap ( )

virtual

Definition at line 30 of file DeliveryPredictabilityMap.cpp.

Member Function Documentation

void dtn::routing::DeliveryPredictabilityMap::age ( const float & p_first_threshold )

Age all entries in the DeliveryPredictabilityMap.

Warning: The _deliveryPredictabilityMap has to be locked before calling this function

Definition at line 190 of file DeliveryPredictabilityMap.cpp.

References dtn::data::SDNV< E >::get(), dtn::utils::Clock::getUnixTimestamp(), and dtn::core::BundleCore::local.

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void dtn::routing::DeliveryPredictabilityMap::clear ( )

Definition at line 154 of file DeliveryPredictabilityMap.cpp.

std::istream & dtn::routing::DeliveryPredictabilityMap::deserialize ( std::istream & stream )

virtual

See Also: NodeHandshakeItem::deserialize

Implements dtn::routing::NodeHandshakeItem.

Definition at line 80 of file DeliveryPredictabilityMap.cpp.

References IBRCOMMON_LOGGER_DEBUG_TAG, and IBRCOMMON_LOGGER_ENDL.

float dtn::routing::DeliveryPredictabilityMap::get ( const dtn::data::EID & neighbor ) const throw (ValueNotFoundException)

Definition at line 138 of file DeliveryPredictabilityMap.cpp.

Referenced by dtn::routing::ForwardingStrategy::neighborDPIsGreater().

const dtn::data::Number & dtn::routing::DeliveryPredictabilityMap::getIdentifier ( ) const

virtual

See Also: NodeHandshakeItem::getIdentifier

Implements dtn::routing::NodeHandshakeItem.

Definition at line 33 of file DeliveryPredictabilityMap.cpp.

References identifier.

dtn::data::Length dtn::routing::DeliveryPredictabilityMap::getLength ( ) const

virtual

See Also: NodeHandshakeItem::getLength

Implements dtn::routing::NodeHandshakeItem.

Definition at line 38 of file DeliveryPredictabilityMap.cpp.

References dtn::data::SDNV< E >::getLength().

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std::ostream & dtn::routing::DeliveryPredictabilityMap::serialize ( std::ostream & stream ) const

virtual

See Also: NodeHandshakeItem::serialize

Implements dtn::routing::NodeHandshakeItem.

Definition at line 59 of file DeliveryPredictabilityMap.cpp.

References IBRCOMMON_LOGGER_DEBUG_TAG, and IBRCOMMON_LOGGER_ENDL.

void dtn::routing::DeliveryPredictabilityMap::set	(	const dtn::data::EID &	neighbor,
		float	value
	)

Definition at line 149 of file DeliveryPredictabilityMap.cpp.

Referenced by dtn::routing::ProphetRoutingExtension::ProphetRoutingExtension().

void dtn::routing::DeliveryPredictabilityMap::toString ( std::ostream & stream ) const

Print out the content as readable text.

Definition at line 221 of file DeliveryPredictabilityMap.cpp.

Referenced by dtn::routing::operator<<().

void dtn::routing::DeliveryPredictabilityMap::update	(	const dtn::data::EID &	origin,
		const DeliveryPredictabilityMap &	dpm,
		const float &	p_encounter_first
	)