throughput_counter.h

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#ifndef THROUGHPUT_COUNTER_CLASS
#define THROUGHPUT_COUNTER_CLASS

/*****************************************************************************\
*                                                                             *
*  Name   : throughput_counter                                                *
*  Author : Chris Koeritz                                                     *
*                                                                             *
*******************************************************************************
* Copyright (c) 2000-$now By Author.  This program is free software; you can  *
* redistribute it and/or modify it under the terms of the GNU General Public  *
* License as published by the Free Software Foundation; either version 2 of   *
* the License or (at your option) any later version.  This is online at:      *
*     http://www.fsf.org/copyleft/gpl.html                                    *
* Please send any updates to: fred@gruntose.com                               *
\*****************************************************************************/

#include "mechanisms_dll.h"

// forward.
class time_stamp;


class MECHANISMS_CLASS_STYLE throughput_counter
{
public:
  throughput_counter();
  throughput_counter(const throughput_counter &to_copy);
  ~throughput_counter();

  throughput_counter &operator =(const throughput_counter &to_copy);

  void start();

  void stop();

  void reset();

  void combine(const throughput_counter &to_blend);

  void send(double size_of_send);

  void add_run(double size_of_send, double time_of_send,
          double number_of_runs = 1.0);

  inline bool running() const { return _running; }

  time_stamp start_time() const;

  time_stamp stop_time() const;

  inline double bytes_sent() const { return _byte_count; }

  inline double number_of_sends() const { return _send_count; }

  double bytes_per_second() const;
  double kilobytes_per_second() const;
  double megabytes_per_second() const;

  double total_time() const;

private:
  bool _running;  
  time_stamp *_start;  
  time_stamp *_end;  
  double _time_overall;  
  double _byte_count;  
  double _send_count;  
};

#endif

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