timer.h

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#ifndef TIMER_INCLUDED
#define TIMER_INCLUDED

//#define USE_RUSAGE
#undef USE_RUSAGE

#ifdef USE_RUSAGE
#include <sys/resource.h>
#endif

#include <cstdio>
#include <time.h>
#include <sys/time.h>

#include "bridgeIO.h"
using Bridge::vout;

class Timer
{
 public:
  static const std::string class_name;

 public:
  Timer(const std::string& id = "", const bool report = false)
    : is_started(false), m_start(0), m_elapsed(0), m_counter(0),
      m_id(id),
      m_report_on_exit(report)
  {}

  ~Timer();

  void start();
  void stop();
  void reset();

  static void timestamp();

  double elapsed_sec() const;
  double elapsed_msec() const;
  unsigned long get_counter() const;

  void report(const Bridge::VerboseLevel vl = Bridge::GENERAL);

 private:
  bool   is_started;
  double m_start;

  double        m_elapsed; // sec.
  unsigned long m_counter;

  std::string m_id;
  bool        m_report_on_exit;
};

#endif /* _TIMER_H_ */