#include "rate.h"void Rate::StartTimer(){  if( !m_last_timestamp ) time(&m_last_timestamp);}void Rate::StopTimer(){  if( !m_last_timestamp ){    m_total_timeused += (time((time_t*) 0) - m_last_timestamp);    m_last_timestamp = 0;  }}void Rate::CountAdd(size_t nbytes){  m_count_bytes += nbytes;}void Rate::operator=(const Rate &ra){  m_last_timestamp = time((time_t*) 0);  m_count_bytes = ra.m_count_bytes;}size_t Rate::RateMeasure() const{  time_t timeused = m_total_timeused;  if( m_last_timestamp ) timeused += (time((time_t*) 0) - m_last_timestamp);  if( timeused < 1 ) timeused = 1;  return (size_t)(m_count_bytes / timeused);}size_t Rate::RateMeasure(const Rate &ra_to) const{  time_t timeused = time((time_t*) 0) - m_last_timestamp;  if( timeused < 1 ) timeused = 1;  return (size_t)((ra_to.m_count_bytes - m_count_bytes) / timeused);}time_t Rate::TimeUsed(const time_t *pnow) const{  return (*pnow - m_last_timestamp);}