ns3::MpiInterface Class Reference

#include <mpi-interface.h>

Static Public Member Functions
static void	Destroy ()
static void	Disable ()
static void	Enable (int *pargc, char ***pargv)
static uint32_t	GetRxCount ()
static uint32_t	GetSize ()
static uint32_t	GetSystemId ()
static uint32_t	GetTxCount ()
static bool	IsEnabled ()
static void	ReceiveMessages ()
static void	SendPacket (Ptr< Packet > p, const Time &rxTime, uint32_t node, uint32_t dev)
static void	TestSendComplete ()

Static Private Attributes
static bool	m_enabled = false
static bool	m_initialized = false
static std::list< SentBuffer >	m_pendingTx
static char **	m_pRxBuffers
static MPI_Request *	m_requests
static uint32_t	m_rxCount = 0
static uint32_t	m_sid = 0
static uint32_t	m_size = 1
static uint32_t	m_txCount = 0

Detailed Description

Interface between ns-3 and MPI

Definition at line 89 of file mpi-interface.h.

Member Function Documentation

void ns3::MpiInterface::Destroy ( void  )

static

Delete all buffers

Definition at line 87 of file mpi-interface.cc.

References GetSize().

Referenced by ns3::DistributedSimulatorImpl::Destroy().

void ns3::MpiInterface::Disable ( )

static

Terminates the MPI environment by calling MPI_Finalize This function must be called after Destroy () It also resets m_initialized, m_enabled

Definition at line 288 of file mpi-interface.cc.

References NS_FATAL_ERROR.

void ns3::MpiInterface::Enable ( int *  pargc, char ***  pargv  )

static

Parameters

pargc	number of command line arguments
pargv	command line arguments

Sets up MPI interface

Definition at line 147 of file mpi-interface.cc.

References GetSize(), ns3::MAX_MPI_MSG_SIZE, and NS_FATAL_ERROR.

uint32_t ns3::MpiInterface::GetRxCount ( )

static

Returns

received count in packets

Definition at line 102 of file mpi-interface.cc.

Referenced by ns3::DistributedSimulatorImpl::Run().

uint32_t ns3::MpiInterface::GetSize ( )

static

Returns

MPI size (number of systems)

Definition at line 125 of file mpi-interface.cc.

Referenced by Destroy(), Enable(), and ReceiveMessages().

uint32_t ns3::MpiInterface::GetSystemId ( void  )

static

Returns

MPI rank

Definition at line 114 of file mpi-interface.cc.

Referenced by ns3::GlobalRouteManagerImpl::InitializeRoutes(), and ns3::PointToPointHelper::Install().

uint32_t ns3::MpiInterface::GetTxCount ( )

static

Returns

transmitted count in packets

Definition at line 108 of file mpi-interface.cc.

Referenced by ns3::DistributedSimulatorImpl::Run().

bool ns3::MpiInterface::IsEnabled ( )

static

Returns

true if using MPI

Definition at line 136 of file mpi-interface.cc.

Referenced by ns3::PointToPointHelper::Install().

void ns3::MpiInterface::ReceiveMessages ( )

static

Check for received messages complete

Definition at line 205 of file mpi-interface.cc.

References ns3::Node::GetDevice(), ns3::Node::GetId(), ns3::Node::GetNDevices(), ns3::NodeList::GetNode(), GetSize(), ns3::MAX_MPI_MSG_SIZE, ns3::NanoSeconds(), ns3::Simulator::Now(), NS_ASSERT, NS_FATAL_ERROR, ns3::MpiReceiver::Receive(), and ns3::Simulator::ScheduleWithContext().

Referenced by ns3::DistributedSimulatorImpl::Run().

void ns3::MpiInterface::SendPacket ( Ptr< Packet >  p, const Time &  rxTime, uint32_t  node, uint32_t  dev  )

static

Parameters

p	packet to send
rxTime	received time at destination node
node	destination node
dev	destination device

Serialize and send a packet to the specified node and net device

Definition at line 172 of file mpi-interface.cc.

References ns3::Time::GetNanoSeconds(), ns3::NodeList::GetNode(), ns3::Packet::GetSerializedSize(), ns3::Node::GetSystemId(), and NS_FATAL_ERROR.

Referenced by ns3::PointToPointRemoteChannel::TransmitStart().

void ns3::MpiInterface::TestSendComplete ( )

static

Check for completed sends

Definition at line 266 of file mpi-interface.cc.

References NS_FATAL_ERROR.

Referenced by ns3::DistributedSimulatorImpl::Run().

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The documentation for this class was generated from the following files:

• src/mpi/model/mpi-interface.h
• src/mpi/model/mpi-interface.cc