XrdAdaptor::QualityMetric Class Reference

#include <QualityMetric.h>

Inheritance diagram for XrdAdaptor::QualityMetric:

Public Member Functions
unsigned	get ()
	QualityMetric (timespec now, int default_value=260)

Private Member Functions
void	finishWatch (timespec now, int ms)

Private Attributes
int	m_interval0_n
time_t	m_interval0_start
int	m_interval0_val
int	m_interval1_val
int	m_interval2_val
int	m_interval3_val
int	m_interval4_val
std::mutex	m_mutex
int	m_value

Static Private Attributes
static const unsigned	interval_length = 60

Friends
class	QualityMetricWatch

Detailed Description

Definition at line 38 of file QualityMetric.h.

Constructor & Destructor Documentation

QualityMetric()

QualityMetric::QualityMetric	(	timespec	now,
		int	default_value = 260
	)

Definition at line 69 of file QualityMetric.cc.

    : m_value(default_value),
      m_interval0_n(0),
      m_interval0_val(-1),
      m_interval0_start(now.tv_sec),
      m_interval1_val(-1),
      m_interval2_val(-1),
      m_interval3_val(-1),
      m_interval4_val(-1) {}

Member Function Documentation

finishWatch()

void QualityMetric::finishWatch ( timespec  now, int  ms  )

private

Definition at line 79 of file QualityMetric.cc.

                                                     {
  std::unique_lock<std::mutex> sentry(m_mutex);
 
  m_value = -1;
  if (stop.tv_sec > m_interval0_start + interval_length) {
    m_interval4_val = m_interval3_val;
    m_interval3_val = m_interval2_val;
    m_interval2_val = m_interval1_val;
    m_interval1_val = m_interval0_val;
    m_interval0_n = 1;
    m_interval0_val = ms;
    m_interval0_start = stop.tv_sec;
  } else {
    int num = m_interval0_val * m_interval0_n + ms;
    m_interval0_n++;
    m_interval0_val = num / m_interval0_n;
  }
}

References interval_length, m_interval0_n, m_interval0_start, m_interval0_val, m_interval1_val, m_interval2_val, m_interval3_val, m_interval4_val, m_mutex, m_value, and EgammaValidation_cff::num.

get()

unsigned QualityMetric::get

(

void

)

Definition at line 98 of file QualityMetric.cc.

                            {
  std::unique_lock<std::mutex> sentry(m_mutex);
 
  if (m_value == -1) {
    unsigned den = 0;
    m_value = 0;
    if (m_interval0_val >= 0) {
      den += 16;
      m_value = 16 * m_interval0_val;
    }
    if (m_interval1_val >= 0) {
      den += 8;
      m_value += 8 * m_interval1_val;
    }
    if (m_interval2_val >= 0) {
      den += 4;
      m_value += 4 * m_interval2_val;
    }
    if (m_interval3_val >= 0) {
      den += 2;
      m_value += 2 * m_interval3_val;
    }
    if (m_interval4_val >= 0) {
      den += 1;
      m_value += m_interval4_val;
    }
    if (den)
      m_value /= den;
    else
      m_value = 260;
  }
  return m_value;
}

References m_interval0_val, m_interval1_val, m_interval2_val, m_interval3_val, m_interval4_val, m_mutex, and m_value.

Referenced by Options.Options::__getitem__(), betterConfigParser.BetterConfigParser::__updateDict(), betterConfigParser.BetterConfigParser::getCompares(), betterConfigParser.BetterConfigParser::getGeneral(), betterConfigParser.BetterConfigParser::getResultingSection(), and XrdAdaptor::QualityMetricUniqueSource::newSource().

Friends And Related Function Documentation

QualityMetricWatch

friend class QualityMetricWatch

friend

Definition at line 39 of file QualityMetric.h.

Member Data Documentation

interval_length

const unsigned XrdAdaptor::QualityMetric::interval_length = 60

staticprivate

Definition at line 48 of file QualityMetric.h.

Referenced by finishWatch().

m_interval0_n

int XrdAdaptor::QualityMetric::m_interval0_n

private

Definition at line 51 of file QualityMetric.h.

Referenced by finishWatch().

m_interval0_start

time_t XrdAdaptor::QualityMetric::m_interval0_start

private

Definition at line 53 of file QualityMetric.h.

Referenced by finishWatch().

m_interval0_val

int XrdAdaptor::QualityMetric::m_interval0_val

private

Definition at line 52 of file QualityMetric.h.

Referenced by finishWatch(), and get().

m_interval1_val

int XrdAdaptor::QualityMetric::m_interval1_val

private

Definition at line 54 of file QualityMetric.h.

Referenced by finishWatch(), and get().

m_interval2_val

int XrdAdaptor::QualityMetric::m_interval2_val

private

Definition at line 55 of file QualityMetric.h.

Referenced by finishWatch(), and get().

m_interval3_val

int XrdAdaptor::QualityMetric::m_interval3_val

private

Definition at line 56 of file QualityMetric.h.

Referenced by finishWatch(), and get().

m_interval4_val

int XrdAdaptor::QualityMetric::m_interval4_val

private

Definition at line 57 of file QualityMetric.h.

Referenced by finishWatch(), and get().

m_mutex

std::mutex XrdAdaptor::QualityMetric::m_mutex

private

Definition at line 59 of file QualityMetric.h.

Referenced by finishWatch(), and get().

m_value

int XrdAdaptor::QualityMetric::m_value

private

Definition at line 50 of file QualityMetric.h.

Referenced by finishWatch(), and get().