A Discrete-Event Network Simulator
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realtime-simulator-impl.h
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2008 University of Washington
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef REALTIME_SIMULATOR_IMPL_H
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#define REALTIME_SIMULATOR_IMPL_H
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#include "simulator-impl.h"
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#include "system-thread.h"
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#include "scheduler.h"
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#include "synchronizer.h"
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#include "event-impl.h"
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#include "ptr.h"
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#include "assert.h"
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#include "log.h"
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#include "system-mutex.h"
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#include <list>
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namespace
ns3 {
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class
RealtimeSimulatorImpl
:
public
SimulatorImpl
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{
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public
:
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static
TypeId
GetTypeId (
void
);
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enum
SynchronizationMode
{
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SYNC_BEST_EFFORT,
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SYNC_HARD_LIMIT
,
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};
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RealtimeSimulatorImpl
();
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~
RealtimeSimulatorImpl
();
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virtual
void
Destroy
();
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virtual
bool
IsFinished
(
void
)
const
;
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virtual
void
Stop
(
void
);
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virtual
void
Stop
(
Time
const
&time);
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virtual
EventId
Schedule
(
Time
const
&time,
EventImpl
*event);
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virtual
void
ScheduleWithContext
(uint32_t context,
Time
const
&time,
EventImpl
*event);
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virtual
EventId
ScheduleNow
(
EventImpl
*event);
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virtual
EventId
ScheduleDestroy
(
EventImpl
*event);
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virtual
void
Remove
(
const
EventId
&ev);
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virtual
void
Cancel
(
const
EventId
&ev);
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virtual
bool
IsExpired
(
const
EventId
&ev)
const
;
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virtual
void
Run
(
void
);
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virtual
Time
Now
(
void
)
const
;
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virtual
Time
GetDelayLeft
(
const
EventId
&
id
)
const
;
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virtual
Time
GetMaximumSimulationTime
(
void
)
const
;
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virtual
void
SetScheduler
(
ObjectFactory
schedulerFactory);
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virtual
uint32_t
GetSystemId
(
void
)
const
;
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virtual
uint32_t
GetContext
(
void
)
const
;
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void
ScheduleRealtimeWithContext (uint32_t context,
Time
const
&time,
EventImpl
*event);
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void
ScheduleRealtime (
Time
const
&time,
EventImpl
*event);
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void
ScheduleRealtimeNowWithContext (uint32_t context,
EventImpl
*event);
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void
ScheduleRealtimeNow (
EventImpl
*event);
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Time
RealtimeNow (
void
)
const
;
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void
SetSynchronizationMode (
RealtimeSimulatorImpl::SynchronizationMode
mode);
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RealtimeSimulatorImpl::SynchronizationMode
GetSynchronizationMode (
void
)
const
;
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void
SetHardLimit (
Time
limit);
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Time
GetHardLimit (
void
)
const
;
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private
:
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bool
Running (
void
)
const
;
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bool
Realtime (
void
)
const
;
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uint64_t NextTs (
void
)
const
;
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void
ProcessOneEvent (
void
);
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virtual
void
DoDispose
(
void
);
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typedef
std::list<EventId> DestroyEvents;
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DestroyEvents m_destroyEvents;
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bool
m_stop;
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bool
m_running;
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// The following variables are protected using the m_mutex
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Ptr<Scheduler>
m_events;
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int
m_unscheduledEvents;
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uint32_t m_uid;
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uint32_t m_currentUid;
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uint64_t m_currentTs;
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uint32_t m_currentContext;
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mutable
SystemMutex
m_mutex;
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Ptr<Synchronizer>
m_synchronizer;
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SynchronizationMode
m_synchronizationMode
;
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Time
m_hardLimit
;
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SystemThread::ThreadId m_main;
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};
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}
// namespace ns3
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#endif
/* REALTIME_SIMULATOR_IMPL_H */
ns3::Time
keep track of time unit.
Definition:
nstime.h:149
ns3::Ptr
smart pointer class similar to boost::intrusive_ptr
Definition:
ptr.h:59
ns3::RealtimeSimulatorImpl::ScheduleNow
virtual EventId ScheduleNow(EventImpl *event)
Definition:
realtime-simulator-impl.cc:571
ns3::RealtimeSimulatorImpl::Schedule
virtual EventId Schedule(Time const &time, EventImpl *event)
Definition:
realtime-simulator-impl.cc:505
ns3::RealtimeSimulatorImpl::GetMaximumSimulationTime
virtual Time GetMaximumSimulationTime(void) const
Definition:
realtime-simulator-impl.cc:796
ns3::RealtimeSimulatorImpl::m_hardLimit
Time m_hardLimit
Definition:
realtime-simulator-impl.h:118
ns3::RealtimeSimulatorImpl::m_synchronizationMode
SynchronizationMode m_synchronizationMode
Definition:
realtime-simulator-impl.h:113
ns3::RealtimeSimulatorImpl::DoDispose
virtual void DoDispose(void)
Definition:
realtime-simulator-impl.cc:100
ns3::RealtimeSimulatorImpl::ScheduleDestroy
virtual EventId ScheduleDestroy(EventImpl *event)
Definition:
realtime-simulator-impl.cc:668
ns3::RealtimeSimulatorImpl::ScheduleWithContext
virtual void ScheduleWithContext(uint32_t context, Time const &time, EventImpl *event)
Definition:
realtime-simulator-impl.cc:535
ns3::RealtimeSimulatorImpl::SYNC_HARD_LIMIT
Definition:
realtime-simulator-impl.h:49
ns3::RealtimeSimulatorImpl::Now
virtual Time Now(void) const
Definition:
realtime-simulator-impl.cc:592
ns3::RealtimeSimulatorImpl::Run
virtual void Run(void)
Definition:
realtime-simulator-impl.cc:414
ns3::RealtimeSimulatorImpl::Destroy
virtual void Destroy()
Definition:
realtime-simulator-impl.cc:114
ns3::RealtimeSimulatorImpl::Remove
virtual void Remove(const EventId &ev)
Definition:
realtime-simulator-impl.cc:705
ns3::RealtimeSimulatorImpl
Definition:
realtime-simulator-impl.h:38
ns3::RealtimeSimulatorImpl::Cancel
virtual void Cancel(const EventId &ev)
Definition:
realtime-simulator-impl.cc:744
ns3::RealtimeSimulatorImpl::SynchronizationMode
SynchronizationMode
Definition:
realtime-simulator-impl.h:47
ns3::RealtimeSimulatorImpl::GetDelayLeft
virtual Time GetDelayLeft(const EventId &id) const
Definition:
realtime-simulator-impl.cc:690
ns3::RealtimeSimulatorImpl::GetSystemId
virtual uint32_t GetSystemId(void) const
Definition:
realtime-simulator-impl.cc:805
ns3::SystemMutex
A class which provides a relatively platform-independent Mutual Exclusion thread synchronization prim...
Definition:
system-mutex.h:50
ns3::RealtimeSimulatorImpl::IsExpired
virtual bool IsExpired(const EventId &ev) const
Definition:
realtime-simulator-impl.cc:753
ns3::RealtimeSimulatorImpl::SetScheduler
virtual void SetScheduler(ObjectFactory schedulerFactory)
Definition:
realtime-simulator-impl.cc:139
ns3::ObjectFactory
instantiate subclasses of ns3::Object.
Definition:
object-factory.h:39
ns3::EventImpl
a simulation event
Definition:
event-impl.h:39
ns3::EventId
an identifier for simulation events.
Definition:
event-id.h:46
ns3::RealtimeSimulatorImpl::GetContext
virtual uint32_t GetContext(void) const
Definition:
realtime-simulator-impl.cc:811
ns3::RealtimeSimulatorImpl::Stop
virtual void Stop(void)
Definition:
realtime-simulator-impl.cc:488
ns3::RealtimeSimulatorImpl::IsFinished
virtual bool IsFinished(void) const
Definition:
realtime-simulator-impl.cc:390
ns3::TypeId
a unique identifier for an interface.
Definition:
type-id.h:44
ns3::SimulatorImpl
Definition:
simulator-impl.h:35
src
core
model
realtime-simulator-impl.h
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