OverlayAccess Class Reference

Gives access to the overlay. More...

#include <OverlayAccess.h>

Public Member Functions
BaseOverlay *	get (cModule *refMod)

Detailed Description

Gives access to the overlay.

Definition at line 36 of file OverlayAccess.h.

Member Function Documentation

BaseOverlay* OverlayAccess::get ( cModule *  refMod )

inline

Definition at line 41 of file OverlayAccess.h.

Referenced by CryptoModule::initialize(), BaseApp::initialize(), and BaseRpc::initRpcs().

    {
        // obtains the overlay related to the module, taking in account the index in case of SMOHs
        BaseOverlay *overlay = NULL;
        cModule *tmpMod = refMod;
        cModule *tmpParent = NULL; // parent of tmpMod

        // go up from refMod until we get a NotificationBoard module, then we're at root
        // this will fail if the overlay is not in a container module!
        while (true) {
            tmpParent = tmpMod->getParentModule(); // get parent
            // search for a "notificationBoard" module
            cModule *notBoard = tmpParent->getSubmodule("notificationBoard"); 
            // is this a real NotificationBoard? then we're at root
            if (dynamic_cast<NotificationBoard*>(notBoard) != NULL) break; 
            tmpMod = tmpParent; // else keep going up
            if (!tmpParent) throw cRuntimeError("OverlayAccess::get(): Overlay module not found!");
        }
        // get the overlay container, with the proper index
        cModule *overlayContainer = tmpParent->getSubmodule("overlay", tmpMod->getIndex()); 
        overlay = dynamic_cast<BaseOverlay*>
                (overlayContainer->gate("appIn")->getNextGate()->getOwnerModule()); // get the contained overlay module
        
        if (!overlay) throw cRuntimeError("OverlayAccess::get(): Overlay module not found!");
        
        return overlay;
    }

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

• OverlayAccess.h