OpenDDS::DCPS::WriterStats Class Reference

Elements stored for managing statistical data. More...

#include <DataReaderImpl.h>

Collaboration diagram for OpenDDS::DCPS::WriterStats:

[legend]List of all members.

Public Member Functions
	WriterStats (int amount=0, DataCollector< double >::OnFull type=DataCollector< double >::KeepOldest)
	Default constructor.
void	add_stat (const ACE_Time_Value &delay)
	Add a datum to the latency statistics.
LatencyStatistics	get_stats () const
	Extract the current latency statistics for this writer.
void	reset_stats ()
	Reset the latency statistics for this writer.
std::ostream &	raw_data (std::ostream &str) const
	Dump any raw data.
Private Attributes
Stats< double >	stats_
	Latency statistics for the DataWriter to this DataReader.

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Detailed Description

Elements stored for managing statistical data.

Definition at line 78 of file DataReaderImpl.h.

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Constructor & Destructor Documentation

OpenDDS::DCPS::WriterStats::WriterStats	(	int	amount = 0,
		DataCollector< double >::OnFull	type = DataCollector< double >::KeepOldest
	)

Default constructor.

Definition at line 2131 of file DataReaderImpl.cpp.

                                      : stats_(amount, type)
{
}

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Member Function Documentation

void OpenDDS::DCPS::WriterStats::add_stat

(

const ACE_Time_Value &

delay

)

Add a datum to the latency statistics.

Definition at line 2137 of file DataReaderImpl.cpp.

References OpenDDS::DCPS::Stats< DataType >::add(), and stats_.

{
  double datum = static_cast<double>(delay.sec());
  datum += delay.usec() / 1000000.0;
  this->stats_.add(datum);
}

OpenDDS::DCPS::LatencyStatistics OpenDDS::DCPS::WriterStats::get_stats

(

)

const

Extract the current latency statistics for this writer.

Definition at line 2144 of file DataReaderImpl.cpp.

References OpenDDS::DCPS::GUID_UNKNOWN, OpenDDS::DCPS::Stats< DataType >::maximum(), OpenDDS::DCPS::LatencyStatistics::maximum, OpenDDS::DCPS::Stats< DataType >::mean(), OpenDDS::DCPS::LatencyStatistics::mean, OpenDDS::DCPS::Stats< DataType >::minimum(), OpenDDS::DCPS::LatencyStatistics::minimum, OpenDDS::DCPS::Stats< DataType >::n(), OpenDDS::DCPS::LatencyStatistics::n, OpenDDS::DCPS::LatencyStatistics::publication, stats_, OpenDDS::DCPS::Stats< DataType >::var(), and OpenDDS::DCPS::LatencyStatistics::variance.

{
  LatencyStatistics value;

  value.publication = GUID_UNKNOWN;
  value.n           = this->stats_.n();
  value.maximum     = this->stats_.maximum();
  value.minimum     = this->stats_.minimum();
  value.mean        = this->stats_.mean();
  value.variance    = this->stats_.var();

  return value;
}

std::ostream & OpenDDS::DCPS::WriterStats::raw_data

(

std::ostream &

str

)

const

Dump any raw data.

Definition at line 2164 of file DataReaderImpl.cpp.

References OpenDDS::DCPS::Stats< DataType >::n(), OpenDDS::DCPS::DataCollector< DatumType >::size(), and stats_.

{
  str << std::dec << this->stats_.size()
                              << " samples out of " << this->stats_.n() << std::endl;
  return str << this->stats_;
}

void OpenDDS::DCPS::WriterStats::reset_stats

(

)

Reset the latency statistics for this writer.

Definition at line 2158 of file DataReaderImpl.cpp.

References OpenDDS::DCPS::Stats< DataType >::reset(), and stats_.

{
  this->stats_.reset();
}

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Member Data Documentation

Stats<double> OpenDDS::DCPS::WriterStats::stats_ [private]

Latency statistics for the DataWriter to this DataReader.

Definition at line 101 of file DataReaderImpl.h.

Referenced by add_stat(), get_stats(), raw_data(), and reset_stats().

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The documentation for this class was generated from the following files:

• DataReaderImpl.h
• DataReaderImpl.cpp

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