/*
 * This file is part of OpenModelica.
 *
 * Copyright (c) 1998-CurrentYear, Open Source Modelica Consortium (OSMC),
 * c/o Linköpings universitet, Department of Computer and Information Science,
 * SE-58183 Linköping, Sweden.
 *
 * All rights reserved.
 *
 * THIS PROGRAM IS PROVIDED UNDER THE TERMS OF GPL VERSION 3 LICENSE OR
 * THIS OSMC PUBLIC LICENSE (OSMC-PL) VERSION 1.2.
 * ANY USE, REPRODUCTION OR DISTRIBUTION OF THIS PROGRAM CONSTITUTES
 * RECIPIENT'S ACCEPTANCE OF THE OSMC PUBLIC LICENSE OR THE GPL VERSION 3,
 * ACCORDING TO RECIPIENTS CHOICE.
 *
 * The OpenModelica software and the Open Source Modelica
 * Consortium (OSMC) Public License (OSMC-PL) are obtained
 * from OSMC, either from the above address,
 * from the URLs: http://www.ida.liu.se/projects/OpenModelica or
 * http://www.openmodelica.org, and in the OpenModelica distribution.
 * GNU version 3 is obtained from: http://www.gnu.org/copyleft/gpl.html.
 *
 * This program is distributed WITHOUT ANY WARRANTY; without
 * even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE, EXCEPT AS EXPRESSLY SET FORTH
 * IN THE BY RECIPIENT SELECTED SUBSIDIARY LICENSE CONDITIONS OF OSMC-PL.
 *
 * See the full OSMC Public License conditions for more details.
 *
 */

#ifndef _OMS_CLOCK_H_
#define _OMS_CLOCK_H_

#include <ctime>
#include <chrono>

class Clock
{
public:
  Clock();
  ~Clock();

  void tic();
  void toc();
  void reset();

  double& getElapsedCPUTime();
  double& getElapsedWallTime();

  bool& isActive() {return active;}

private:
  bool active;
  std::clock_t startCPUTime;
  std::chrono::system_clock::time_point startWallTime;
  double elapsedCPUTime;
  double elapsedWallTime;
};

class CallClock
{
public:
  CallClock(Clock& clock) : clock(clock), active(clock.isActive()) {clock.tic();}
  ~CallClock() {if (!active) clock.toc();}

private:
  Clock& clock;
  bool active;
};

#endif
