inet::NetworkDatagramMultiplexer Class Reference

This class provides network datagram multiplexing based on the the datagram runtime type or on the type of attached control info. More...

#include <NetworkDatagramMultiplexer.h>

Inheritance diagram for inet::NetworkDatagramMultiplexer:

Public Member Functions
	NetworkDatagramMultiplexer ()
virtual	~NetworkDatagramMultiplexer ()

Protected Member Functions
virtual void	handleMessage (cMessage *message) override
int	getProtocolIndex (cMessage *message)

Detailed Description

This class provides network datagram multiplexing based on the the datagram runtime type or on the type of attached control info.

Constructor & Destructor Documentation

inet::NetworkDatagramMultiplexer::NetworkDatagramMultiplexer ( )

inline

{}

virtual inet::NetworkDatagramMultiplexer::~NetworkDatagramMultiplexer ( )

inlinevirtual

{}

Member Function Documentation

int inet::NetworkDatagramMultiplexer::getProtocolIndex ( cMessage *  message )

protected

Referenced by handleMessage().

{
    cPacket *packet = check_and_cast<cPacket *>(message);
    cObject *controlInfo = packet->getControlInfo();
    // TODO: handle the case when some network protocols are disabled
    if (false)
        ;
#ifdef WITH_IPv4
    else if (dynamic_cast<IPv4ControlInfo *>(controlInfo) || dynamic_cast<IPv4Datagram *>(message))
        return 0;
#endif // ifdef WITH_IPv4
#ifdef WITH_IPv6
    else if (dynamic_cast<IPv6ControlInfo *>(controlInfo) || dynamic_cast<IPv6Datagram *>(message))
        return 1;
#endif // ifdef WITH_IPv6
#ifdef WITH_GENERIC
    else if (dynamic_cast<GenericNetworkProtocolControlInfo *>(controlInfo) || dynamic_cast<GenericDatagram *>(message))
        return 2;
#endif // ifdef WITH_GENERIC
    else
        throw cRuntimeError("Unknown control info/packet: '%s' in '%s'", (controlInfo?controlInfo->getClassName():"<nullptr>"), packet->getClassName());
}

void inet::NetworkDatagramMultiplexer::handleMessage ( cMessage *  message )

overrideprotectedvirtual

{
    cGate *arrivalGate = message->getArrivalGate();
    const char *arrivalGateName = arrivalGate->getBaseName();
    if (!strcmp(arrivalGateName, "upperIn"))
        send(message, "lowerOut", getProtocolIndex(message));
    else if (!strcmp(arrivalGateName, "lowerIn"))
        send(message, "upperOut");
    else
        throw cRuntimeError("Unknown arrival gate");
}

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

• NetworkDatagramMultiplexer.h
• NetworkDatagramMultiplexer.cc