LogicGate.h

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#ifndef LOGICGATE_H_
#define LOGICGATE_H_

#include <string>
#include <iostream>

#include <cstdlib>
#include <cassert>

#include "Galois/Graphs/Graph.h"


#include "Event.h"
#include "AbstractSimObject.h"
#include "SimObject.h"
#include "BaseLogicGate.h"
#include "logicDefs.h"
#include "LogicUpdate.h"

class LogicGate: public AbstractSimObject, public BaseLogicGate  {

public:
  typedef EventTy::Type EventKind;

  LogicGate (size_t id, size_t numOutputs, size_t numInputs, SimTime delay): AbstractSimObject (id, numOutputs, numInputs), BaseLogicGate (delay)  {}

  LogicGate (const LogicGate& that): AbstractSimObject (that), BaseLogicGate (that) {}

  virtual size_t getInputIndex(const std::string& net) const = 0;

protected:
  void netNameMismatch (const LogicUpdate& le) const {
    std::cerr << "Received logic update : " << le.toString () << " with mismatching net name, this = " <<
      AbstractSimObject::toString () << std::endl;
    exit (-1);
  }

  void sendEventsToFanout(Graph& graph, GNode& myNode, const EventTy& inputEvent, 
      const EventKind& type, const LogicUpdate& msg) {

    // assert (&myNode == &inputEvent.getRecvObj());

    SimObject* srcObj = graph.getData (myNode, Galois::NONE);
    assert (srcObj == this);

    SimTime sendTime = inputEvent.getRecvTime();

    for (Graph::neighbor_iterator i = graph.neighbor_begin (myNode, Galois::NONE), 
        e = graph.neighbor_end (myNode, Galois::NONE); i != e; ++i) {

      const GNode& dst = *i;
      SimObject* dstObj = graph.getData (dst, Galois::NONE);

      EventTy ne = srcObj->makeEvent (srcObj, dstObj, type, msg, sendTime,
          BaseLogicGate::getDelay ());


      LogicGate* dstGate = dynamic_cast< LogicGate* > (dstObj);

      if (dstGate == NULL) {
        std::cerr << "dynamic_cast failed" << std::endl;
        abort ();

      } else {
        const std::string& outNet = getOutputName();
        size_t dstIn = dstGate->getInputIndex(outNet); // get the input index of the net to which my output is connected
        dstGate->recvEvent(dstIn, ne);
      }


    } // end for


  }

};

#endif /* LOGICGATE_H_ */

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