A Discrete-Event Network Simulator
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distributed-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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* 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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* Author: George Riley <riley@ece.gatech.edu>
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*/
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#ifndef DISTRIBUTED_SIMULATOR_IMPL_H
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#define DISTRIBUTED_SIMULATOR_IMPL_H
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#include "ns3/simulator-impl.h"
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#include "ns3/scheduler.h"
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#include "ns3/event-impl.h"
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#include "ns3/ptr.h"
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#include <list>
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namespace
ns3 {
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class
LbtsMessage
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{
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public
:
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LbtsMessage
()
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: m_txCount (0),
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m_rxCount (0),
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m_myId (0)
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{
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}
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LbtsMessage
(uint32_t rxc, uint32_t txc, uint32_t
id
,
const
Time
& t)
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: m_txCount (txc),
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m_rxCount (rxc),
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m_myId (id),
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m_smallestTime (t)
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{
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}
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~
LbtsMessage
();
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Time
GetSmallestTime
();
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uint32_t
GetTxCount
();
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uint32_t
GetRxCount
();
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uint32_t
GetMyId
();
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private
:
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uint32_t m_txCount;
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uint32_t m_rxCount;
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uint32_t m_myId;
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Time
m_smallestTime;
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};
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class
DistributedSimulatorImpl
:
public
SimulatorImpl
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{
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public
:
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static
TypeId
GetTypeId (
void
);
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DistributedSimulatorImpl
();
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~
DistributedSimulatorImpl
();
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// virtual from SimulatorImpl
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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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private
:
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virtual
void
DoDispose
(
void
);
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void
CalculateLookAhead (
void
);
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void
ProcessOneEvent (
void
);
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uint64_t NextTs (
void
)
const
;
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Time
Next (
void
)
const
;
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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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Ptr<Scheduler>
m_events;
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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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// number of events that have been inserted but not yet scheduled,
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// not counting the "destroy" events; this is used for validation
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int
m_unscheduledEvents;
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LbtsMessage
* m_pLBTS;
// Allocated once we know how many systems
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uint32_t m_myId;
// MPI Rank
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uint32_t m_systemCount;
// MPI Size
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Time
m_grantedTime;
// Last LBTS
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static
Time
m_lookAhead;
// Lookahead value
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};
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}
// namespace ns3
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#endif
/* DISTRIBUTED_SIMULATOR_IMPL_H */
ns3::LbtsMessage::GetMyId
uint32_t GetMyId()
Definition:
distributed-simulator-impl.cc:66
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::DistributedSimulatorImpl::SetScheduler
virtual void SetScheduler(ObjectFactory schedulerFactory)
Definition:
distributed-simulator-impl.cc:219
ns3::DistributedSimulatorImpl::ScheduleDestroy
virtual EventId ScheduleDestroy(EventImpl *event)
Definition:
distributed-simulator-impl.cc:396
ns3::DistributedSimulatorImpl::GetMaximumSimulationTime
virtual Time GetMaximumSimulationTime(void) const
Definition:
distributed-simulator-impl.cc:500
ns3::DistributedSimulatorImpl::Now
virtual Time Now(void) const
Definition:
distributed-simulator-impl.cc:405
ns3::DistributedSimulatorImpl::DoDispose
virtual void DoDispose(void)
Definition:
distributed-simulator-impl.cc:115
ns3::DistributedSimulatorImpl::GetDelayLeft
virtual Time GetDelayLeft(const EventId &id) const
Definition:
distributed-simulator-impl.cc:411
ns3::DistributedSimulatorImpl::ScheduleNow
virtual EventId ScheduleNow(EventImpl *event)
Definition:
distributed-simulator-impl.cc:382
ns3::LbtsMessage::GetTxCount
uint32_t GetTxCount()
Definition:
distributed-simulator-impl.cc:55
ns3::LbtsMessage::GetRxCount
uint32_t GetRxCount()
Definition:
distributed-simulator-impl.cc:61
ns3::DistributedSimulatorImpl::Remove
virtual void Remove(const EventId &ev)
Definition:
distributed-simulator-impl.cc:424
ns3::DistributedSimulatorImpl
distributed simulator implementation using lookahead
Definition:
distributed-simulator-impl.h:91
ns3::DistributedSimulatorImpl::Destroy
virtual void Destroy()
Definition:
distributed-simulator-impl.cc:128
ns3::DistributedSimulatorImpl::ScheduleWithContext
virtual void ScheduleWithContext(uint32_t context, Time const &time, EventImpl *event)
Definition:
distributed-simulator-impl.cc:367
ns3::DistributedSimulatorImpl::GetSystemId
virtual uint32_t GetSystemId(void) const
Definition:
distributed-simulator-impl.cc:328
ns3::LbtsMessage::LbtsMessage
LbtsMessage(uint32_t rxc, uint32_t txc, uint32_t id, const Time &t)
Definition:
distributed-simulator-impl.h:52
ns3::DistributedSimulatorImpl::GetContext
virtual uint32_t GetContext(void) const
Definition:
distributed-simulator-impl.cc:508
ns3::LbtsMessage
Structure used for all-reduce LBTS computation.
Definition:
distributed-simulator-impl.h:36
ns3::DistributedSimulatorImpl::Cancel
virtual void Cancel(const EventId &ev)
Definition:
distributed-simulator-impl.cc:457
ns3::ObjectFactory
instantiate subclasses of ns3::Object.
Definition:
object-factory.h:39
ns3::EventImpl
a simulation event
Definition:
event-impl.h:39
ns3::DistributedSimulatorImpl::Schedule
virtual EventId Schedule(Time const &time, EventImpl *event)
Definition:
distributed-simulator-impl.cc:349
ns3::LbtsMessage::GetSmallestTime
Time GetSmallestTime()
Definition:
distributed-simulator-impl.cc:49
ns3::EventId
an identifier for simulation events.
Definition:
event-id.h:46
ns3::DistributedSimulatorImpl::Run
virtual void Run(void)
Definition:
distributed-simulator-impl.cc:271
ns3::DistributedSimulatorImpl::Stop
virtual void Stop(void)
Definition:
distributed-simulator-impl.cc:334
ns3::DistributedSimulatorImpl::IsFinished
virtual bool IsFinished(void) const
Definition:
distributed-simulator-impl.cc:251
ns3::TypeId
a unique identifier for an interface.
Definition:
type-id.h:44
ns3::SimulatorImpl
Definition:
simulator-impl.h:35
ns3::DistributedSimulatorImpl::IsExpired
virtual bool IsExpired(const EventId &ev) const
Definition:
distributed-simulator-impl.cc:466
src
mpi
model
distributed-simulator-impl.h
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