ns3::ndn::RttEstimator Class Reference

Base class for all RTT Estimators. More...

#include <ndn-rtt-estimator.hpp>

Inheritance diagram for ns3::ndn::RttEstimator:

Collaboration diagram for ns3::ndn::RttEstimator:

Public Member Functions
	RttEstimator ()
	RttEstimator (const RttEstimator &)
virtual	~RttEstimator ()
virtual TypeId	GetInstanceTypeId (void) const
virtual void	SentSeq (SequenceNumber32 seq, uint32_t size)
	Note that a particular sequence has been sent. More...
virtual Time	AckSeq (SequenceNumber32 ackSeq)
	Note that a particular ack sequence has been received. More...
virtual void	ClearSent ()
	Clear all history entries. More...
virtual void	Measurement (Time t)=0
	Add a new measurement to the estimator. More...
virtual Time	RetransmitTimeout ()=0
	Returns the estimated RTO. More...
virtual Ptr< RttEstimator >	Copy () const =0
virtual void	IncreaseMultiplier ()
	Increase the estimation multiplier up to MaxMultiplier. More...
virtual void	ResetMultiplier ()
	Resets the estimation multiplier to 1. More...
virtual void	Reset ()
	Resets the estimation to its initial state. More...
void	SetMinRto (Time minRto)
	Sets the Minimum RTO. More...
Time	GetMinRto (void) const
	Get the Minimum RTO. More...
void	SetMaxRto (Time maxRto)
	Sets the Maximum RTO. More...
Time	GetMaxRto (void) const
	Get the Maximum RTO. More...
void	SetCurrentEstimate (Time estimate)
	Sets the current RTT estimate (forcefully). More...
Time	GetCurrentEstimate (void) const
	gets the current RTT estimate. More...

Static Public Member Functions
static TypeId	GetTypeId (void)

Protected Attributes
Time	m_currentEstimatedRtt
Time	m_minRto
Time	m_maxRto
uint32_t	m_nSamples
uint16_t	m_multiplier
RttHistory_t	m_history

Detailed Description

Base class for all RTT Estimators.

Definition at line 61 of file ndn-rtt-estimator.hpp.

Constructor & Destructor Documentation

RttEstimator() [1/2]

ns3::ndn::RttEstimator::RttEstimator

(

)

Definition at line 126 of file ndn-rtt-estimator.cpp.

References m_currentEstimatedRtt.

RttEstimator() [2/2]

ns3::ndn::RttEstimator::RttEstimator

(

const RttEstimator &

c

)

Definition at line 143 of file ndn-rtt-estimator.cpp.

~RttEstimator()

ns3::ndn::RttEstimator::~RttEstimator ( )

virtual

Definition at line 158 of file ndn-rtt-estimator.cpp.

Member Function Documentation

GetTypeId()

TypeId ns3::ndn::RttEstimator::GetTypeId ( void  )

static

Definition at line 47 of file ndn-rtt-estimator.cpp.

References GetMaxRto(), GetMinRto(), SetMaxRto(), and SetMinRto().

Referenced by GetInstanceTypeId().

GetInstanceTypeId()

TypeId ns3::ndn::RttEstimator::GetInstanceTypeId ( void  ) const

virtual

Reimplemented in ns3::ndn::RttMeanDeviation.

Definition at line 164 of file ndn-rtt-estimator.cpp.

References GetTypeId().

SentSeq()

void ns3::ndn::RttEstimator::SentSeq ( SequenceNumber32  seq, uint32_t  size  )

virtual

Note that a particular sequence has been sent.

Parameters

seq	the packet sequence number.
size	the packet size.

Reimplemented in ns3::ndn::RttMeanDeviation.

Definition at line 170 of file ndn-rtt-estimator.cpp.

References m_history.

AckSeq()

Time ns3::ndn::RttEstimator::AckSeq ( SequenceNumber32  ackSeq )

virtual

Note that a particular ack sequence has been received.

Parameters

ackSeq

the ack sequence number.

Returns

The measured RTT for this ack.

Reimplemented in ns3::ndn::RttMeanDeviation.

Definition at line 194 of file ndn-rtt-estimator.cpp.

References ns3::ndn::RttHistory::count, m_history, Measurement(), ResetMultiplier(), ns3::ndn::RttHistory::retx, ns3::ndn::RttHistory::seq, and ns3::ndn::RttHistory::time.

ClearSent()

void ns3::ndn::RttEstimator::ClearSent ( )

virtual

Clear all history entries.

Definition at line 220 of file ndn-rtt-estimator.cpp.

References m_history.

Measurement()

virtual void ns3::ndn::RttEstimator::Measurement ( Time  t )

pure virtual

Add a new measurement to the estimator.

Pure virtual function.

Parameters

t	the new RTT measure.

Implemented in ns3::ndn::RttMeanDeviation.

Referenced by AckSeq().

RetransmitTimeout()

virtual Time ns3::ndn::RttEstimator::RetransmitTimeout ( )

pure virtual

Returns the estimated RTO.

Pure virtual function.

Returns

the estimated RTO.

Implemented in ns3::ndn::RttMeanDeviation.

Copy()

virtual Ptr<RttEstimator> ns3::ndn::RttEstimator::Copy ( ) const

pure virtual

Implemented in ns3::ndn::RttMeanDeviation.

IncreaseMultiplier()

void ns3::ndn::RttEstimator::IncreaseMultiplier ( )

virtual

Increase the estimation multiplier up to MaxMultiplier.

Definition at line 229 of file ndn-rtt-estimator.cpp.

References m_multiplier.

ResetMultiplier()

void ns3::ndn::RttEstimator::ResetMultiplier ( )

virtual

Resets the estimation multiplier to 1.

Definition at line 237 of file ndn-rtt-estimator.cpp.

References m_multiplier.

Referenced by ns3::ndn::RttMeanDeviation::AckSeq(), AckSeq(), and Reset().

Reset()

void ns3::ndn::RttEstimator::Reset ( )

virtual

Resets the estimation to its initial state.

Reimplemented in ns3::ndn::RttMeanDeviation.

Definition at line 244 of file ndn-rtt-estimator.cpp.

References m_currentEstimatedRtt, m_history, m_nSamples, and ResetMultiplier().

Referenced by ns3::ndn::RttMeanDeviation::Reset().

SetMinRto()

void ns3::ndn::RttEstimator::SetMinRto

(

Time

minRto

)

Sets the Minimum RTO.

Parameters

minRto

The minimum RTO returned by the estimator.

Definition at line 70 of file ndn-rtt-estimator.cpp.

References m_minRto.

Referenced by GetTypeId().

GetMinRto()

Time ns3::ndn::RttEstimator::GetMinRto

(

void

)

const

Get the Minimum RTO.

Returns

The minimum RTO returned by the estimator.

Definition at line 76 of file ndn-rtt-estimator.cpp.

References m_minRto.

Referenced by GetTypeId().

SetMaxRto()

void ns3::ndn::RttEstimator::SetMaxRto

(

Time

maxRto

)

Sets the Maximum RTO.

Parameters

minRto

The maximum RTO returned by the estimator.

Definition at line 82 of file ndn-rtt-estimator.cpp.

References m_maxRto.

Referenced by GetTypeId().

GetMaxRto()

Time ns3::ndn::RttEstimator::GetMaxRto

(

void

)

const

Get the Maximum RTO.

Returns

The maximum RTO returned by the estimator.

Definition at line 88 of file ndn-rtt-estimator.cpp.

References m_maxRto.

Referenced by GetTypeId().

SetCurrentEstimate()

void ns3::ndn::RttEstimator::SetCurrentEstimate

(

Time

estimate

)

Sets the current RTT estimate (forcefully).

Parameters

estimate

The current RTT estimate.

Definition at line 94 of file ndn-rtt-estimator.cpp.

References m_currentEstimatedRtt.

GetCurrentEstimate()

Time ns3::ndn::RttEstimator::GetCurrentEstimate

(

void

)

const

gets the current RTT estimate.

Returns

The current RTT estimate.

Definition at line 100 of file ndn-rtt-estimator.cpp.

References m_currentEstimatedRtt.

Member Data Documentation

m_currentEstimatedRtt

Time ns3::ndn::RttEstimator::m_currentEstimatedRtt

protected

Definition at line 179 of file ndn-rtt-estimator.hpp.

Referenced by GetCurrentEstimate(), ns3::ndn::RttMeanDeviation::Measurement(), Reset(), ns3::ndn::RttMeanDeviation::RetransmitTimeout(), RttEstimator(), and SetCurrentEstimate().

m_minRto

Time ns3::ndn::RttEstimator::m_minRto

protected

Definition at line 180 of file ndn-rtt-estimator.hpp.

Referenced by GetMinRto(), ns3::ndn::RttMeanDeviation::RetransmitTimeout(), and SetMinRto().

m_maxRto

Time ns3::ndn::RttEstimator::m_maxRto

protected

Definition at line 181 of file ndn-rtt-estimator.hpp.

Referenced by GetMaxRto(), ns3::ndn::RttMeanDeviation::RetransmitTimeout(), and SetMaxRto().

m_nSamples

uint32_t ns3::ndn::RttEstimator::m_nSamples

protected

Definition at line 182 of file ndn-rtt-estimator.hpp.

Referenced by ns3::ndn::RttMeanDeviation::Measurement(), and Reset().

m_multiplier

uint16_t ns3::ndn::RttEstimator::m_multiplier

protected

Definition at line 183 of file ndn-rtt-estimator.hpp.

Referenced by IncreaseMultiplier(), ResetMultiplier(), and ns3::ndn::RttMeanDeviation::RetransmitTimeout().

m_history

RttHistory_t ns3::ndn::RttEstimator::m_history

protected

Definition at line 184 of file ndn-rtt-estimator.hpp.

Referenced by ns3::ndn::RttMeanDeviation::AckSeq(), AckSeq(), ClearSent(), Reset(), ns3::ndn::RttMeanDeviation::SentSeq(), and SentSeq().

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

• ndnSIM/utils/ndn-rtt-estimator.hpp
• ndnSIM/utils/ndn-rtt-estimator.cpp