Timer.hpp

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#ifndef DART_COMMON_TIMER_HPP_
#define DART_COMMON_TIMER_HPP_
 
#include <string>
 
#ifdef _WIN32
#  ifdef NOMINMAX
#    include <windows.h>
#  else
#    define NOMINMAX
#    include <windows.h>
#    undef NOMINMAX
#  endif
typedef struct
{
  LARGE_INTEGER start;
  LARGE_INTEGER stop;
} stopWatch;
#else
#  include <sys/time.h>
#endif
 
namespace dart {
namespace common {
 
class Timer
{
public:
  explicit Timer(const std::string& _name = "Noname Timer");
 
  virtual ~Timer();
 
  void start();
 
  bool isStarted() const;
 
  void stop();
 
  double getElapsedTime();
 
  double getLastElapsedTime() const;
 
  double getTotalElapsedTime() const;
 
  void print();
 
  static double getWallTime();
 
private:
  int mCount;
 
#ifdef _WIN32
  stopWatch mTimer;
#else
  timeval mTimeVal;
  double mStartedTime;
  double mStoppedTime;
#endif
 
  double mLastElapsedTime;
  double mTotalElapsedTime;
  std::string mName;
  bool mIsStarted;
 
#ifdef _WIN32
  LARGE_INTEGER mFrequency;
  double _convLIToSecs(const LARGE_INTEGER& _L);
#endif
};
 
} // namespace common
} // namespace dart
 
#endif // DART_COMMON_TIMER_HPP_