---

wall_clock.H

Go to the documentation of this file.

#ifndef __WALL_CLOCK_H__
#define __WALL_CLOCK_H__

/*************************************************************************
 * Class:   Wall_clock
 * Purpose: This class creates a constant clock that can be used to 
 *          synchronize simulations running on a cluster.
 *************************************************************************/

#include <dev/polled.H>
#include <event/event.H>

MAKE_PTR_SUBC(EVENTWallClockmsg, EVENT);
class EVENTWallClockmsg : public EVENT {
protected:
  double _msg_time;

  /* ------- EVENT methods ----------- */ 
  virtual bool compare(cEVENTptr &e) const { return EVENTWallClockmsg::isa(e); }
  
public:
  EVENTWallClockmsg( double t=0, cEVENTsource *s=0 ): EVENT(s), _msg_time(t) {}

  virtual void debug(ostream &o)     const { o << class_name() 
                           << "(" << _msg_time << ")"; }
  
  double msg_time() const { return _msg_time; }

  /* ------- TYPEDOBJ methods ----------- */ 
  DEFINE_DERIVED_TYPE(EVENTWallClockmsg, EVENT, cEVENTptr);
  static cEVENTWallClockmsgptr cast(cEVENTptr &e) { return EVENTWallClockmsg::isa(e) ? 
                          (EVENTWallClockmsg *)&*e : 0; }
};






class DEV_Wall_clock : public DEVpolled
{
private:
  static DEV_Wall_clock *_instance;
protected:
  double _instance_epoch;

  EVENTsource *_wall_clock_source;
public:
  DEV_Wall_clock( Cstr_ptr &name = "DEV_Wall_clock" );
  virtual ~DEV_Wall_clock();

  void do_poll();
  void terminate();
  
 
};


#endif

---