A Discrete-Event Network Simulator
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priority-queue-scheduler.cc
Go to the documentation of this file.
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/*
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* Copyright (c) 2016 IITP
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*
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* SPDX-License-Identifier: GPL-2.0-only
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*
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* Author: Alexander Krotov <krotov@iitp.ru>
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*/
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#include "
priority-queue-scheduler.h
"
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#include "
assert.h
"
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#include "
event-impl.h
"
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#include "
log-macros-disabled.h
"
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#include "
log.h
"
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#include "
scheduler.h
"
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#include <string>
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/**
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* \file
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* \ingroup scheduler
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* Implementation of ns3::PriorityQueueScheduler class.
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*/
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namespace
ns3
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{
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NS_LOG_COMPONENT_DEFINE
(
"PriorityQueueScheduler"
);
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NS_OBJECT_ENSURE_REGISTERED
(PriorityQueueScheduler);
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TypeId
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PriorityQueueScheduler::GetTypeId
()
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{
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static
TypeId
tid =
TypeId
(
"ns3::PriorityQueueScheduler"
)
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.
SetParent
<
Scheduler
>()
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.SetGroupName(
"Core"
)
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.AddConstructor<
PriorityQueueScheduler
>();
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return
tid;
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}
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PriorityQueueScheduler::PriorityQueueScheduler
()
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{
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NS_LOG_FUNCTION
(
this
);
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}
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PriorityQueueScheduler::~PriorityQueueScheduler
()
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{
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NS_LOG_FUNCTION
(
this
);
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}
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void
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PriorityQueueScheduler::Insert
(
const
Event
& ev)
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{
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NS_LOG_FUNCTION
(
this
<< ev.
impl
<< ev.
key
.
m_ts
<< ev.
key
.
m_uid
);
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m_queue
.push(ev);
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}
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bool
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PriorityQueueScheduler::IsEmpty
()
const
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{
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NS_LOG_FUNCTION
(
this
);
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return
m_queue
.empty();
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}
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Scheduler::Event
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PriorityQueueScheduler::PeekNext
()
const
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{
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NS_LOG_FUNCTION
(
this
);
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return
m_queue
.top();
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}
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Scheduler::Event
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PriorityQueueScheduler::RemoveNext
()
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{
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NS_LOG_FUNCTION
(
this
);
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Scheduler::Event
ev =
m_queue
.top();
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m_queue
.pop();
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return
ev;
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}
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bool
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PriorityQueueScheduler::EventPriorityQueue::remove
(
const
Scheduler::Event
& ev)
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{
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auto
it = std::find(this->c.begin(), this->c.end(), ev);
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if
(it != this->c.end())
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{
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this->c.erase(it);
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std::make_heap(this->c.begin(), this->c.end(), this->comp);
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return
true
;
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}
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else
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{
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return
false
;
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}
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}
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void
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PriorityQueueScheduler::Remove
(
const
Scheduler::Event
& ev)
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{
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NS_LOG_FUNCTION
(
this
);
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m_queue
.
remove
(ev);
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}
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}
// namespace ns3
assert.h
NS_ASSERT() and NS_ASSERT_MSG() macro definitions.
ns3::PriorityQueueScheduler::EventPriorityQueue::remove
bool remove(const Scheduler::Event &ev)
Remove a specific event from the event list.
Definition
priority-queue-scheduler.cc:83
ns3::PriorityQueueScheduler
a std::priority_queue event scheduler
Definition
priority-queue-scheduler.h:55
ns3::PriorityQueueScheduler::GetTypeId
static TypeId GetTypeId()
Register this type.
Definition
priority-queue-scheduler.cc:33
ns3::PriorityQueueScheduler::RemoveNext
Scheduler::Event RemoveNext() override
Remove the earliest event from the event list.
Definition
priority-queue-scheduler.cc:74
ns3::PriorityQueueScheduler::~PriorityQueueScheduler
~PriorityQueueScheduler() override
Destructor.
Definition
priority-queue-scheduler.cc:47
ns3::PriorityQueueScheduler::Insert
void Insert(const Scheduler::Event &ev) override
Insert a new Event in the schedule.
Definition
priority-queue-scheduler.cc:53
ns3::PriorityQueueScheduler::PeekNext
Scheduler::Event PeekNext() const override
Get a pointer to the next event.
Definition
priority-queue-scheduler.cc:67
ns3::PriorityQueueScheduler::Remove
void Remove(const Scheduler::Event &ev) override
Remove a specific event from the event list.
Definition
priority-queue-scheduler.cc:99
ns3::PriorityQueueScheduler::m_queue
EventPriorityQueue m_queue
The event queue.
Definition
priority-queue-scheduler.h:94
ns3::PriorityQueueScheduler::PriorityQueueScheduler
PriorityQueueScheduler()
Constructor.
Definition
priority-queue-scheduler.cc:42
ns3::PriorityQueueScheduler::IsEmpty
bool IsEmpty() const override
Test if the schedule is empty.
Definition
priority-queue-scheduler.cc:60
ns3::Scheduler
Maintain the event list.
Definition
scheduler.h:146
ns3::TypeId
a unique identifier for an interface.
Definition
type-id.h:48
ns3::TypeId::SetParent
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Definition
type-id.cc:1001
event-impl.h
ns3::EventImpl declarations.
NS_LOG_COMPONENT_DEFINE
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition
log.h:191
NS_LOG_FUNCTION
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by ",...
Definition
log-macros-enabled.h:229
NS_OBJECT_ENSURE_REGISTERED
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
Definition
object-base.h:35
log-macros-disabled.h
Definition of empty logging macros and the NS_LOG_NOOP_INTERNAL macro.
log.h
Debug message logging.
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.
priority-queue-scheduler.h
Declaration of ns3::PriorityQueueScheduler class.
scheduler.h
ns3::Scheduler abstract base class, ns3::Scheduler::Event and ns3::Scheduler::EventKey declarations.
ns3::Scheduler::Event
Scheduler event.
Definition
scheduler.h:173
ns3::Scheduler::Event::key
EventKey key
Key for sorting and ordering Events.
Definition
scheduler.h:175
ns3::Scheduler::Event::impl
EventImpl * impl
Pointer to the event implementation.
Definition
scheduler.h:174
ns3::Scheduler::EventKey::m_ts
uint64_t m_ts
Event time stamp.
Definition
scheduler.h:160
ns3::Scheduler::EventKey::m_uid
uint32_t m_uid
Event unique id.
Definition
scheduler.h:161
src
core
model
priority-queue-scheduler.cc
Generated on Fri Oct 11 2024 18:20:40 for ns-3 by
1.11.0