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propagation-delay-model.h
Go to the documentation of this file.
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/*
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* Copyright (c) 2005,2006,2007 INRIA
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*
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* SPDX-License-Identifier: GPL-2.0-only
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*
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* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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*/
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#ifndef PROPAGATION_DELAY_MODEL_H
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#define PROPAGATION_DELAY_MODEL_H
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#include "ns3/nstime.h"
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#include "ns3/object.h"
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#include "ns3/ptr.h"
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#include "ns3/random-variable-stream.h"
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namespace
ns3
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{
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class
MobilityModel;
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/**
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* \ingroup propagation
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*
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* \brief calculate a propagation delay.
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*/
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class
PropagationDelayModel
:
public
Object
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{
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public
:
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/**
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* \brief Get the type ID.
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* \return the object TypeId
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*/
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static
TypeId
GetTypeId
();
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~PropagationDelayModel
()
override
;
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/**
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* \param a the source
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* \param b the destination
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* \returns the calculated propagation delay
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*
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* Calculate the propagation delay between the specified
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* source and destination.
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*/
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virtual
Time
GetDelay
(
Ptr<MobilityModel>
a,
Ptr<MobilityModel>
b)
const
= 0;
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/**
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* If this delay model uses objects of type RandomVariableStream,
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* set the stream numbers to the integers starting with the offset
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* 'stream'. Return the number of streams (possibly zero) that
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* have been assigned.
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*
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* \param stream first stream index to use
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* \return the number of stream indices assigned by this model
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*/
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int64_t
AssignStreams
(int64_t stream);
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protected
:
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/**
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* Assign a fixed random variable stream number to the random variables used by this model.
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*
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* Subclasses must implement this; those not using random variables
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* can return zero.
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*
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* \param stream first stream index to use
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* \return the number of stream indices assigned by this model
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*/
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virtual
int64_t
DoAssignStreams
(int64_t stream) = 0;
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};
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/**
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* \ingroup propagation
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*
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* \brief the propagation delay is random
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*/
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class
RandomPropagationDelayModel
:
public
PropagationDelayModel
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{
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public
:
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/**
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* \brief Get the type ID.
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* \return the object TypeId
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*/
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static
TypeId
GetTypeId
();
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/**
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* Use the default parameters from PropagationDelayRandomDistribution.
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*/
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RandomPropagationDelayModel
();
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~RandomPropagationDelayModel
()
override
;
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Time
GetDelay
(
Ptr<MobilityModel>
a,
Ptr<MobilityModel>
b)
const override
;
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private
:
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int64_t
DoAssignStreams
(int64_t stream)
override
;
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Ptr<RandomVariableStream>
m_variable
;
//!< random generator
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};
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/**
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* \ingroup propagation
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*
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* \brief the propagation speed is constant
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*/
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class
ConstantSpeedPropagationDelayModel
:
public
PropagationDelayModel
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{
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public
:
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/**
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* \brief Get the type ID.
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* \return the object TypeId
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*/
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static
TypeId
GetTypeId
();
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/**
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* Use the default parameters from PropagationDelayConstantSpeed.
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*/
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ConstantSpeedPropagationDelayModel
();
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Time
GetDelay
(
Ptr<MobilityModel>
a,
Ptr<MobilityModel>
b)
const override
;
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/**
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* \param speed the new speed (m/s)
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*/
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void
SetSpeed
(
double
speed);
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/**
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* \returns the current propagation speed (m/s).
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*/
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double
GetSpeed
()
const
;
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private
:
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int64_t
DoAssignStreams
(int64_t stream)
override
;
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double
m_speed
;
//!< speed
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};
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}
// namespace ns3
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#endif
/* PROPAGATION_DELAY_MODEL_H */
ns3::ConstantSpeedPropagationDelayModel
the propagation speed is constant
Definition
propagation-delay-model.h:100
ns3::ConstantSpeedPropagationDelayModel::GetDelay
Time GetDelay(Ptr< MobilityModel > a, Ptr< MobilityModel > b) const override
Definition
propagation-delay-model.cc:103
ns3::ConstantSpeedPropagationDelayModel::GetSpeed
double GetSpeed() const
Definition
propagation-delay-model.cc:117
ns3::ConstantSpeedPropagationDelayModel::m_speed
double m_speed
speed
Definition
propagation-delay-model.h:124
ns3::ConstantSpeedPropagationDelayModel::SetSpeed
void SetSpeed(double speed)
Definition
propagation-delay-model.cc:111
ns3::ConstantSpeedPropagationDelayModel::DoAssignStreams
int64_t DoAssignStreams(int64_t stream) override
Assign a fixed random variable stream number to the random variables used by this model.
Definition
propagation-delay-model.cc:123
ns3::ConstantSpeedPropagationDelayModel::ConstantSpeedPropagationDelayModel
ConstantSpeedPropagationDelayModel()
Use the default parameters from PropagationDelayConstantSpeed.
Definition
propagation-delay-model.cc:98
ns3::ConstantSpeedPropagationDelayModel::GetTypeId
static TypeId GetTypeId()
Get the type ID.
Definition
propagation-delay-model.cc:82
ns3::Object
A base class which provides memory management and object aggregation.
Definition
object.h:78
ns3::PropagationDelayModel
calculate a propagation delay.
Definition
propagation-delay-model.h:27
ns3::PropagationDelayModel::GetTypeId
static TypeId GetTypeId()
Get the type ID.
Definition
propagation-delay-model.cc:21
ns3::PropagationDelayModel::~PropagationDelayModel
~PropagationDelayModel() override
Definition
propagation-delay-model.cc:28
ns3::PropagationDelayModel::DoAssignStreams
virtual int64_t DoAssignStreams(int64_t stream)=0
Assign a fixed random variable stream number to the random variables used by this model.
ns3::PropagationDelayModel::AssignStreams
int64_t AssignStreams(int64_t stream)
If this delay model uses objects of type RandomVariableStream, set the stream numbers to the integers...
Definition
propagation-delay-model.cc:33
ns3::PropagationDelayModel::GetDelay
virtual Time GetDelay(Ptr< MobilityModel > a, Ptr< MobilityModel > b) const =0
ns3::Ptr
Smart pointer class similar to boost::intrusive_ptr.
Definition
mpi-test-fixtures.h:37
ns3::RandomPropagationDelayModel
the propagation delay is random
Definition
propagation-delay-model.h:74
ns3::RandomPropagationDelayModel::RandomPropagationDelayModel
RandomPropagationDelayModel()
Use the default parameters from PropagationDelayRandomDistribution.
Definition
propagation-delay-model.cc:58
ns3::RandomPropagationDelayModel::m_variable
Ptr< RandomVariableStream > m_variable
random generator
Definition
propagation-delay-model.h:91
ns3::RandomPropagationDelayModel::GetTypeId
static TypeId GetTypeId()
Get the type ID.
Definition
propagation-delay-model.cc:43
ns3::RandomPropagationDelayModel::DoAssignStreams
int64_t DoAssignStreams(int64_t stream) override
Assign a fixed random variable stream number to the random variables used by this model.
Definition
propagation-delay-model.cc:73
ns3::RandomPropagationDelayModel::~RandomPropagationDelayModel
~RandomPropagationDelayModel() override
Definition
propagation-delay-model.cc:62
ns3::RandomPropagationDelayModel::GetDelay
Time GetDelay(Ptr< MobilityModel > a, Ptr< MobilityModel > b) const override
Definition
propagation-delay-model.cc:67
ns3::Time
Simulation virtual time values and global simulation resolution.
Definition
nstime.h:94
ns3::TypeId
a unique identifier for an interface.
Definition
type-id.h:48
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.
src
propagation
model
propagation-delay-model.h
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