my_hellow_word.cc

/*
 * my_hellow_word.cc
 *
 *  Created on: 2021Äê12ÔÂ9ÈÕ
 *      Author: Tong
 */
#include <omnetpp.h>
using namespace omnetpp;

class My_Node: public cSimpleModule
{
protected:
    void initialize() override;
    void handleMessage(cMessage *msg) override;
};
Define_Module(My_Node);

void My_Node::initialize()
{
if(strcmp("Computer2",getName())==0)
{
    cMessage *msg = new cMessage("Hey you!");
    send(msg,"output_gate");
}
}

void My_Node::handleMessage(cMessage *msg)
{
    send(msg,"output_gate");
}