FindModule.h

#ifndef FIND_MODULE_H
#define FIND_MODULE_H

#include <omnetpp.h>

template<typename T = cModule*>
class FindModule
{
  public:
    static T findSubModule(cModule *top)
    {
      T ret;
      for (cModule::SubmoduleIterator i(top); !i.end(); i++)
      {
        cModule *sub = i();
        ret = dynamic_cast<T>(sub);
        if (ret!=NULL)
          return ret;
        ret = findSubModule(sub);
        if (ret!=NULL)
          return ret;
      }
      return NULL;
    }

    static T findGlobalModule() {return findSubModule(simulation.getSystemModule());}

    static cModule* findHost(cModule *m) {
       cModule *parent = m->getParentModule();
      cModule *node = m;

      // all nodes should be a sub module of the simulation which has no parent module!!!
      while( parent->getParentModule() != NULL ){
      node = parent;
      parent = node->getParentModule();
      }

      return node;
    }
};

#endif