A Discrete-Event Network Simulator
API
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Simulator

Control the virtual time and the execution of simulation events. More...

+ Collaboration diagram for Simulator:

Modules

 Realtime Simulator
 Realtime simulator implementation.
 

Files

file  default-simulator-impl.cc
 ns3::DefaultSimulatorImpl implementation.
 
file  default-simulator-impl.h
 ns3::DefaultSimulatorImpl declaration.
 
file  des-metrics.cc
 ns3::DesMetrics implementation.
 
file  des-metrics.h
 ns3::DesMetrics declaration.
 
file  node-printer.cc
 ns3::DefaultNodePrinter implementation.
 
file  sample-simulator.cc
 Example program demonstrating use of various Schedule functions.
 
file  sample-simulator.py
 Python example program demonstrating use of various Schedule functions.
 
file  simulator-impl.cc
 ns3::SimulatorImpl implementation.
 
file  simulator-impl.h
 ns3::SimulatorImpl declaration.
 
file  simulator.cc
 ns3::Simulator implementation, as well as implementation pointer, global scheduler implementation.
 
file  simulator.h
 ns3::Simulator declaration.
 

Classes

class  ns3::DefaultSimulatorImpl
 The default single process simulator implementation. More...
 
class  ns3::DesMetrics
 Event trace data collector for the DES Metrics project. More...
 
class  ns3::DistributedSimulatorImpl
 Distributed simulator implementation using lookahead. More...
 
class  ns3::Simulator
 Control the scheduling of simulation events. More...
 
class  ns3::SimulatorImpl
 The SimulatorImpl base class. More...
 
class  ns3::VisualSimulatorImpl
 A replacement simulator that starts the visualizer. More...
 

Functions

static SimulatorImplns3::GetImpl ()
 Get the SimulatorImpl singleton.
 
Time ns3::Now ()
 create an ns3::Time instance which contains the current simulation time.
 
static SimulatorImpl ** ns3::PeekImpl ()
 Get the static SimulatorImpl instance.
 

Variables

static GlobalValue ns3::g_simTypeImpl
 The specific simulator implementation to use.
 

Detailed Description

Control the virtual time and the execution of simulation events.

Function Documentation

◆ GetImpl()

◆ Now()

Time ns3::Now ( )

create an ns3::Time instance which contains the current simulation time.

This is really a shortcut for the ns3::Simulator::Now method. It is typically used as shown below to schedule an event which expires at the absolute time "2 seconds":

Simulator::Schedule (Seconds (2.0) - Now (), &my_function);
static EventId Schedule(const Time &delay, FUNC f, Ts &&... args)
Schedule an event to expire after delay.
Definition: simulator.h:571
Time Now()
create an ns3::Time instance which contains the current simulation time.
Definition: simulator.cc:305
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1326
Returns
The current simulation time.

Definition at line 305 of file simulator.cc.

References ns3::Simulator::Now().

Referenced by ChannelAccessManagerTest< TxopType >::AddAccessRequestWithAckTimeout(), ChannelAccessManagerTest< TxopType >::AddAccessRequestWithSuccessfulAck(), ChannelAccessManagerTest< TxopType >::AddAckTimeoutReset(), ChannelAccessManagerTest< TxopType >::AddCcaBusyEvt(), ChannelAccessManagerTest< TxopType >::AddNavReset(), ChannelAccessManagerTest< TxopType >::AddNavStart(), ChannelAccessManagerTest< TxopType >::AddRxErrorEvt(), ChannelAccessManagerTest< TxopType >::AddRxInsideSifsEvt(), ChannelAccessManagerTest< TxopType >::AddRxOkEvt(), ChannelAccessManagerTest< TxopType >::AddRxStartEvt(), ChannelAccessManagerTest< TxopType >::AddSwitchingEvt(), ChannelAccessManagerTest< TxopType >::AddTxEvt(), ns3::UanMacRc::Associate(), ns3::ThreeGppChannelModel::CalcAttenuationOfBlockage(), ns3::UanPhyCalcSinrDual::CalcSinrDb(), ns3::WifiRemoteStationInfo::CalculateAveragingCoefficient(), ns3::ThreeGppChannelModel::ChannelParamsNeedsUpdate(), ns3::LteInterference::ConditionallyEvaluateChunk(), ns3::SpectrumInterference::ConditionallyEvaluateChunk(), ns3::SpectrumInterference::DoAddSignal(), ns3::PieQueueDisc::DoDequeue(), ns3::PieQueueDisc::DoEnqueue(), ns3::SpectrumInterference::DoSubtractSignal(), ns3::UanMacRcGw::EndCycle(), ns3::UanMacCw::EndTx(), ns3::UanMacAloha::Enqueue(), ns3::UanMacCw::Enqueue(), ChannelAccessManagerTest< TxopType >::ExpectBusy(), ns3::Watchdog::Expire(), ns3::UanMacRcGw::FindOptA(), ns3::JakesProcess::GetComplexGain(), ns3::UanMacCw::NotifyCcaEnd(), ns3::UanMacCw::NotifyCcaStart(), ns3::UanMacCw::NotifyRxEndError(), ns3::UanMacCw::NotifyRxEndOk(), ns3::UanMacCw::NotifyRxStart(), ns3::UanMacCw::NotifyTxStart(), SimulatorEventsTestCase::NowUs(), ns3::Watchdog::Ping(), ns3::NixVectorRouting< T >::PrintRoutingPath(), ns3::NixVectorRouting< T >::PrintRoutingTable(), ns3::aodv::RoutingProtocol::PrintRoutingTable(), ns3::dsdv::RoutingProtocol::PrintRoutingTable(), ns3::Ipv4GlobalRouting::PrintRoutingTable(), ns3::Ipv4ListRouting::PrintRoutingTable(), ns3::Ipv4StaticRouting::PrintRoutingTable(), ns3::Ipv6ListRouting::PrintRoutingTable(), ns3::Ipv6StaticRouting::PrintRoutingTable(), ns3::Rip::PrintRoutingTable(), ns3::RipNg::PrintRoutingTable(), ns3::olsr::RoutingProtocol::PrintRoutingTable(), ns3::UanMacRc::ProcessAck(), ns3::UanTransducerHd::Receive(), ns3::UanMacRc::ReceiveOkFromPhy(), ns3::UanMacRcGw::ReceivePacket(), Experiment::ResetData(), ns3::UanMacRc::RtsTimeout(), ns3::UanPhyDual::RxOkFromSubPhy(), ns3::UanMacCw::SaveTimer(), ns3::UanMacRc::ScheduleData(), ns3::UanMacCw::SendPacket(), ns3::UanPhyDual::SendPacket(), ns3::UanMacRcGw::SendPacket(), ns3::UanMacRc::SendPacket(), ns3::WaveformGenerator::Start(), ns3::Ping::StartApplication(), ns3::UanMacRcGw::StartCycle(), ns3::SpectrumInterference::StartRx(), ns3::LteInterference::StartRx(), ns3::UanMacCw::StartTimer(), TraceFirstCwnd(), TraceFirstDctcp(), TraceFirstThroughput(), TraceThroughput(), WaveformGeneratorTestCase::TraceWave(), ns3::SpectrumAnalyzer::UpdateEnergyReceivedSoFar(), Experiment::UpdatePositions(), and ns3::WriteAveragePowerSpectralDensityReport().

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◆ PeekImpl()

static SimulatorImpl ** ns3::PeekImpl ( )
static

Get the static SimulatorImpl instance.

Returns
The SimulatorImpl instance pointer.

Definition at line 91 of file simulator.cc.

Referenced by ns3::Simulator::Cancel(), ns3::Simulator::Destroy(), ns3::GetImpl(), ns3::Simulator::GetSystemId(), ns3::Simulator::IsExpired(), ns3::Simulator::Remove(), and ns3::Simulator::SetImplementation().

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Variable Documentation

◆ g_simTypeImpl

GlobalValue ns3::g_simTypeImpl
static
Initial value:
=
GlobalValue("SimulatorImplementationType",
"The object class to use as the simulator implementation",
StringValue("ns3::DefaultSimulatorImpl"),
Ptr< const AttributeChecker > MakeStringChecker()
Definition: string.cc:30

The specific simulator implementation to use.

Must be derived from SimulatorImpl.

Definition at line 66 of file simulator.cc.

Referenced by ns3::GetImpl().