inet::Loopback Class Reference

Loopback interface implementation. More...

#include <Loopback.h>

Inheritance diagram for inet::Loopback:

Public Member Functions
	Loopback ()
virtual	~Loopback ()
Public Member Functions inherited from inet::OperationalMixin< cSimpleModule >
virtual	~OperationalMixin ()
	}@ More...
Public Member Functions inherited from inet::ILifecycle
virtual	~ILifecycle ()

Protected Member Functions
virtual void	configureNetworkInterface () override
virtual int	numInitStages () const override
virtual void	initialize (int stage) override
virtual void	handleUpperPacket (Packet *packet) override
virtual void	refreshDisplay () const override
Protected Member Functions inherited from inet::MacProtocolBase
	MacProtocolBase ()
virtual	~MacProtocolBase ()
virtual void	registerInterface ()
virtual MacAddress	parseMacAddressParameter (const char *addrstr)
virtual void	deleteCurrentTxFrame ()
virtual void	dropCurrentTxFrame (PacketDropDetails &details)
virtual void	handleMessageWhenDown (cMessage *msg) override
virtual void	sendUp (cMessage *message)
virtual void	sendDown (cMessage *message)
virtual bool	isUpperMessage (cMessage *message) const override
virtual bool	isLowerMessage (cMessage *message) const override
virtual bool	isInitializeStage (int stage) const override
virtual bool	isModuleStartStage (int stage) const override
virtual bool	isModuleStopStage (int stage) const override
virtual void	flushQueue (PacketDropDetails &details)
	should clear queue and emit signal "packetDropped" with entire packets More...
virtual void	clearQueue ()
	should clear queue silently More...
virtual void	receiveSignal (cComponent *source, simsignal_t signalID, cObject *obj, cObject *details) override
virtual void	handleStartOperation (LifecycleOperation *operation) override
virtual void	handleStopOperation (LifecycleOperation *operation) override
virtual void	handleCrashOperation (LifecycleOperation *operation) override
queueing::IPacketQueue *	getQueue (cGate *gate) const
virtual bool	canDequeuePacket () const
virtual Packet *	dequeuePacket ()
Protected Member Functions inherited from inet::LayeredProtocolBase
virtual void	handleMessageWhenUp (cMessage *message) override
virtual void	handleSelfMessage (cMessage *message)
virtual void	handleUpperMessage (cMessage *message)
virtual void	handleLowerMessage (cMessage *message)
virtual void	handleUpperCommand (cMessage *message)
virtual void	handleLowerCommand (cMessage *message)
virtual void	handleLowerPacket (Packet *packet)
Protected Member Functions inherited from inet::OperationalMixin< cSimpleModule >
virtual int	numInitStages () const override
virtual void	refreshDisplay () const override
virtual void	handleMessage (cMessage *msg) override
virtual bool	handleOperationStage (LifecycleOperation *operation, IDoneCallback *doneCallback) override
	Perform one stage of a lifecycle operation. More...
virtual State	getInitialOperationalState () const
	Returns initial operational state: OPERATING or NOT_OPERATING. More...
virtual void	handleActiveOperationTimeout (cMessage *message)
virtual bool	isUp () const
	utility functions More...
virtual bool	isDown () const
virtual void	setOperationalState (State newState)
virtual void	scheduleOperationTimeout (simtime_t timeout)
virtual void	setupActiveOperation (LifecycleOperation *operation, IDoneCallback *doneCallback, State)
virtual void	delayActiveOperationFinish (simtime_t timeout)
virtual void	startActiveOperationExtraTime (simtime_t delay=SIMTIME_ZERO)
virtual void	startActiveOperationExtraTimeOrFinish (simtime_t extraTime)
virtual void	finishActiveOperation ()

Protected Attributes
long	numSent = 0
long	numRcvdOK = 0
Protected Attributes inherited from inet::MacProtocolBase
int	upperLayerInGateId = -1
	Gate ids. More...
int	upperLayerOutGateId = -1
int	lowerLayerInGateId = -1
int	lowerLayerOutGateId = -1
opp_component_ptr< NetworkInterface >	networkInterface
opp_component_ptr< cModule >	hostModule
Packet *	currentTxFrame = nullptr
	Currently transmitted frame if any. More...
opp_component_ptr< queueing::IPacketQueue >	txQueue
	Messages received from upper layer and to be transmitted later. More...
Protected Attributes inherited from inet::OperationalMixin< cSimpleModule >
State	operationalState
simtime_t	lastChange
Operation	activeOperation
cMessage *	activeOperationTimeout
cMessage *	activeOperationExtraTimer

Additional Inherited Members
Protected Types inherited from inet::OperationalMixin< cSimpleModule >
enum	State

Detailed Description

Loopback interface implementation.

Constructor & Destructor Documentation

Loopback()

inet::Loopback::Loopback ( )

inline

{}

~Loopback()

inet::Loopback::~Loopback ( )

virtual

{
}

Member Function Documentation

configureNetworkInterface()

void inet::Loopback::configureNetworkInterface ( )

overrideprotectedvirtual

Implements inet::MacProtocolBase.

{
    // generate a link-layer address to be used as interface token for IPv6
//    InterfaceToken token(0, getSimulation()->getUniqueNumber(), 64);
//    ie->setInterfaceToken(token);
 
    // capabilities
    networkInterface->setMtu(par("mtu"));
    networkInterface->setLoopback(true);
}

handleUpperPacket()

void inet::Loopback::handleUpperPacket ( Packet *  packet )

overrideprotectedvirtual

Reimplemented from inet::LayeredProtocolBase.

{
    EV << "Received " << packet << " for transmission\n";
    ASSERT(packet->hasBitError() == false);
 
    // pass up payload
    numRcvdOK++;
    numSent++;
    auto protocol = packet->getTag<PacketProtocolTag>()->getProtocol();
    packet->clearTags();
    packet->addTag<DispatchProtocolReq>()->setProtocol(protocol);
    packet->addTag<PacketProtocolTag>()->setProtocol(protocol);
    packet->addTag<InterfaceInd>()->setInterfaceId(networkInterface->getInterfaceId());
    emit(packetSentToUpperSignal, packet);
    send(packet, upperLayerOutGateId);
}

initialize()

void inet::Loopback::initialize ( int  stage )

overrideprotectedvirtual

Reimplemented from inet::MacProtocolBase.

{
    MacProtocolBase::initialize(stage);
    if (stage == INITSTAGE_LOCAL) {
        lowerLayerInGateId = -1;
        lowerLayerOutGateId = -1;
        numSent = numRcvdOK = 0;
        WATCH(numSent);
        WATCH(numRcvdOK);
    }
}

numInitStages()

virtual int inet::Loopback::numInitStages ( ) const

inlineoverrideprotectedvirtual

{ return NUM_INIT_STAGES; }

refreshDisplay()

void inet::Loopback::refreshDisplay ( ) const

overrideprotectedvirtual

{
    MacProtocolBase::refreshDisplay();
 
    /* TODO find solution for displaying IPv4 address without dependence on IPv4 or IPv6
            Ipv4Address addr = networkInterface->getProtocolData<Ipv4InterfaceData>()->getIPAddress();
            sprintf(buf, "%s / %s\nrcv:%ld snt:%ld", addr.isUnspecified()?"-":addr.str().c_str(), datarateText, numRcvdOK, numSent);
     */
    char buf[80];
    sprintf(buf, "rcv:%ld snt:%ld", numRcvdOK, numSent);
 
    getDisplayString().setTagArg("t", 0, buf);
}

Member Data Documentation

numRcvdOK

long inet::Loopback::numRcvdOK = 0

protected

Referenced by handleUpperPacket(), initialize(), and refreshDisplay().

numSent

long inet::Loopback::numSent = 0

protected

Referenced by handleUpperPacket(), initialize(), and refreshDisplay().

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

• Loopback.h
• Loopback.cc