A Discrete-Event Network Simulator
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list-scheduler.h
Go to the documentation of this file.
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/*
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* Copyright (c) 2005 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 LIST_SCHEDULER_H
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#define LIST_SCHEDULER_H
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#include "
scheduler.h
"
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#include <list>
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#include <stdint.h>
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#include <utility>
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/**
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* \file
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* \ingroup scheduler
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* ns3::ListScheduler declaration.
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*/
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namespace
ns3
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{
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class
EventImpl;
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/**
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* \ingroup scheduler
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* \brief a std::list event scheduler
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*
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* This class implements an event scheduler using an std::list
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* data structure, that is, a double linked-list.
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*
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* \par Time Complexity
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*
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* Operation | Amortized %Time | Reason
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* :----------- | :-------------- | :-----
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* Insert() | Linear | Linear search in `std::list`
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* IsEmpty() | Constant | `std::list::size()`
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* PeekNext() | Constant | `std::list::front()`
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* Remove() | Linear | Linear search in `std::list`
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* RemoveNext() | Constant | `std::list::pop_front()`
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*
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* \par Memory Complexity
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*
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* Category | Memory | Reason
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* :-------- | :------------------------------- | :-----
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* Overhead | 2 x `sizeof (*)` + `size_t`<br/>(24 bytes) | `std::list`
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* Per Event | 2 x `sizeof (*)` | `std::list`
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*
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*/
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class
ListScheduler
:
public
Scheduler
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{
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public
:
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/**
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* Register this type.
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* \return The object TypeId.
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*/
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static
TypeId
GetTypeId
();
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/** Constructor. */
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ListScheduler
();
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/** Destructor. */
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~ListScheduler
()
override
;
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// Inherited
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void
Insert
(
const
Scheduler::Event
& ev)
override
;
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bool
IsEmpty
()
const override
;
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Scheduler::Event
PeekNext
()
const override
;
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Scheduler::Event
RemoveNext
()
override
;
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void
Remove
(
const
Scheduler::Event
& ev)
override
;
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private
:
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/** Event list type: a simple list of Events. */
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typedef
std::list<Scheduler::Event>
Events
;
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/** Events iterator. */
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typedef
std::list<Scheduler::Event>::iterator
EventsI
;
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/** The event list. */
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Events
m_events
;
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};
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}
// namespace ns3
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#endif
/* LIST_SCHEDULER_H */
ns3::ListScheduler
a std::list event scheduler
Definition
list-scheduler.h:55
ns3::ListScheduler::EventsI
std::list< Scheduler::Event >::iterator EventsI
Events iterator.
Definition
list-scheduler.h:79
ns3::ListScheduler::~ListScheduler
~ListScheduler() override
Destructor.
Definition
list-scheduler.cc:46
ns3::ListScheduler::Events
std::list< Scheduler::Event > Events
Event list type: a simple list of Events.
Definition
list-scheduler.h:77
ns3::ListScheduler::ListScheduler
ListScheduler()
Constructor.
Definition
list-scheduler.cc:41
ns3::ListScheduler::m_events
Events m_events
The event list.
Definition
list-scheduler.h:82
ns3::ListScheduler::RemoveNext
Scheduler::Event RemoveNext() override
Remove the earliest event from the event list.
Definition
list-scheduler.cc:80
ns3::ListScheduler::Remove
void Remove(const Scheduler::Event &ev) override
Remove a specific event from the event list.
Definition
list-scheduler.cc:89
ns3::ListScheduler::IsEmpty
bool IsEmpty() const override
Test if the schedule is empty.
Definition
list-scheduler.cc:66
ns3::ListScheduler::PeekNext
Scheduler::Event PeekNext() const override
Get a pointer to the next event.
Definition
list-scheduler.cc:73
ns3::ListScheduler::Insert
void Insert(const Scheduler::Event &ev) override
Insert a new Event in the schedule.
Definition
list-scheduler.cc:51
ns3::ListScheduler::GetTypeId
static TypeId GetTypeId()
Register this type.
Definition
list-scheduler.cc:32
ns3::Scheduler
Maintain the event list.
Definition
scheduler.h:146
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.
scheduler.h
ns3::Scheduler abstract base class, ns3::Scheduler::Event and ns3::Scheduler::EventKey declarations.
ns3::Scheduler::Event
Scheduler event.
Definition
scheduler.h:173
src
core
model
list-scheduler.h
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