// // This file is part of an OMNeT++/OMNEST simulation example. // // Copyright (C) 2003 Ahmet Sekercioglu // Copyright (C) 2003-2008 Andras Varga // // This file is distributed WITHOUT ANY WARRANTY. See the file // `license' for details on this and other legal matters. // #include <string.h> #include <omnetpp.h> class Txc1 : public cSimpleModule { protected: // The following redefined virtual function holds the algorithm. virtual void initialize(); virtual void handleMessage(cMessage *msg); }; // The module class needs to be registered with OMNeT++ Define_Module(Txc1); void Txc1::initialize() { // Initialize is called at the beginning of the simulation. // To bootstrap the tic-toc-tic-toc process, one of the modules needs // to send the first message. Let this be `tic'. // Am I Tic or Toc? if (strcmp("tic", getName()) == 0) { // create and send first message on gate "out". "tictocMsg" is an // arbitrary string which will be the name of the message object. cMessage *msg = new cMessage("tictocMsg"); send(msg, "out"); } } void Txc1::handleMessage(cMessage *msg) { // The handleMessage() method is called whenever a message arrives // at the module. Here, we just send it to the other module, through // gate `out'. Because both `tic' and `toc' does the same, the message // will bounce between the two. send(msg, "out"); }