DummyRoute Class Reference [netwLayer - network layer modules]

Placeholder module that simply "translates" netwControlInfo to macControlInfo. More...

#include <DummyRoute.h>

Inherits BaseNetwLayer.

Collaboration diagram for DummyRoute:

List of all members.

Public Member Functions
virtual void	initialize (int)
	Initialization of the module and some variables.
virtual void	finish ()
	Called when the simulation has finished.
Protected Member Functions
virtual void	handleUpperMsg (cMessage *msg)
	Handle messages from upper layer.
virtual void	handleLowerMsg (cMessage *msg)
	Handle messages from lower layer.
virtual void	handleSelfMsg (cMessage *msg)
	Handle self messages.
virtual void	handleLowerControl (cMessage *msg)
	Handle control messages from lower layer.
virtual void	handleUpperControl (cMessage *msg)
	Handle control messages from lower layer.
NetwPkt *	encapsMsg (cPacket *appPkt)
	Encapsulate higher layer packet into an NetwPkt.
cMessage *	decapsMsg (NetwPkt *msg)
	Decapsulate a message.
Protected Attributes
bool	stats
bool	trace
int	networkID

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Detailed Description

Placeholder module that simply "translates" netwControlInfo to macControlInfo.

Author:

Jerome Rousselot

Definition at line 40 of file DummyRoute.h.

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Member Function Documentation

NetwPkt * DummyRoute::encapsMsg

(

cPacket *

appPkt

)

[protected, virtual]

Encapsulate higher layer packet into an NetwPkt.

Encapsulates the received ApplPkt into a NetwPkt and set all needed header fields.

Reimplemented from BaseNetwLayer.

Definition at line 63 of file DummyRoute.cc.

References BaseNetwLayer::arp, ArpInterface::getMacAddr(), NetwControlInfo::getNetwAddr(), BaseNetwLayer::headerLength, and BaseNetwLayer::myNetwAddr.

Referenced by handleUpperMsg().

                                              {
    int macAddr;
    int netwAddr;

    debugEV <<"in encaps...\n";

    DummyRoutePkt *pkt = new DummyRoutePkt(appPkt->getName(), appPkt->getKind());
    pkt->setBitLength(headerLength);

    NetwControlInfo* cInfo = dynamic_cast<NetwControlInfo*>(appPkt->removeControlInfo());

    if(cInfo == 0){
    EV << "warning: Application layer did not specifiy a destination L3 address\n"
     << "\tusing broadcast address instead\n";
    netwAddr = L3BROADCAST;
    } else {
    debugEV <<"CInfo removed, netw addr="<< cInfo->getNetwAddr()<<endl;
        netwAddr = cInfo->getNetwAddr();
    delete cInfo;
    }

    pkt->setNetworkID(networkID);
    pkt->setSrcAddr(myNetwAddr);
    pkt->setDestAddr(netwAddr);
    debugEV << " netw "<< myNetwAddr << " sending packet" <<endl;
    if(netwAddr == L3BROADCAST) {
        debugEV << "sendDown: nHop=L3BROADCAST -> message has to be broadcasted"
           << " -> set destMac=L2BROADCAST\n";
        macAddr = L2BROADCAST;
    }
    else{
        debugEV <<"sendDown: get the MAC address\n";
        macAddr = arp->getMacAddr(netwAddr);
    }

    pkt->setControlInfo(new NetwToMacControlInfo(macAddr));

    //encapsulate the application packet
    pkt->encapsulate(appPkt);
    debugEV <<" pkt encapsulated\n";
    return pkt;
}

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

• modules/netw/DummyRoute.h
• modules/netw/DummyRoute.cc