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_