dunedaq::datahandlinglibs::ErrorBitGenerator Class Reference

#include <ErrorBitGenerator.hpp>

Public Member Functions
	ErrorBitGenerator (double rate=0)
uint16_t	next ()
void	generate ()

Private Attributes
int	m_size = 1000
double	m_error_rate
uint16_t	m_error_bits [1000]
int	m_error_bits_index
int	m_error_occurrences [1000]
int	m_error_occurrences_index
int	m_no_error_occurrences [1000]
int	m_no_error_occurrences_index
int	m_current_occurrence
int	m_occurrence_count
bool	m_set_error_bits

Detailed Description

ErrorBitGenerator usage:

auto ebg = ErrorBitGenerator(1.0) ebg.generate(); uint16_t errs = ebg.next();

Definition at line 25 of file ErrorBitGenerator.hpp.

Constructor & Destructor Documentation

ErrorBitGenerator()

dunedaq::datahandlinglibs::ErrorBitGenerator::ErrorBitGenerator ( double rate = 0 )

inlineexplicit

Definition at line 28 of file ErrorBitGenerator.hpp.

    : m_error_rate(rate)
    , m_error_bits_index(0)
    , m_error_occurrences_index(0)
    , m_no_error_occurrences_index(0)
    , m_current_occurrence(0)
    , m_occurrence_count(0)
    , m_set_error_bits(true)
  {}

Member Function Documentation

generate()

void dunedaq::datahandlinglibs::ErrorBitGenerator::generate ( )

inline

Definition at line 57 of file ErrorBitGenerator.hpp.

  {
    std::random_device rd;
    std::mt19937 mt(rd());
    std::uniform_int_distribution<uint16_t> err_bit_dis(0, 65535); // NOLINT(build/unsigned)
    std::uniform_int_distribution<int> duration_dis(1, 100000);
 
    for (int i = 0; i < m_size; ++i) {
      m_error_bits[i] = err_bit_dis(mt);
    }
    for (int i = 0; i < m_size; ++i) {
      m_error_occurrences[i] = duration_dis(mt) * m_error_rate;
      m_no_error_occurrences[i] = duration_dis(mt) * (1 - m_error_rate);
    }
  }

next()

uint16_t dunedaq::datahandlinglibs::ErrorBitGenerator::next ( )

inline

Definition at line 37 of file ErrorBitGenerator.hpp.

  {
    if (m_occurrence_count >= m_current_occurrence) {
      if (m_set_error_bits) {
        m_error_bits_index = (m_error_bits_index + 1) % m_size;
        m_error_occurrences_index = (m_error_occurrences_index + 1) % m_size;
        m_set_error_bits = false;
        m_current_occurrence = m_no_error_occurrences[m_no_error_occurrences_index];
        m_occurrence_count = 0;
      } else {
        m_no_error_occurrences_index = (m_no_error_occurrences_index + 1) % m_size;
        m_set_error_bits = true;
        m_current_occurrence = m_error_occurrences[m_error_occurrences_index];
        m_occurrence_count = 0;
      }
    }
    m_occurrence_count++;
    return (m_set_error_bits && m_current_occurrence) ? m_error_bits[m_error_bits_index] : 0;
  }

Member Data Documentation

m_current_occurrence

int dunedaq::datahandlinglibs::ErrorBitGenerator::m_current_occurrence

private

Definition at line 82 of file ErrorBitGenerator.hpp.

m_error_bits

uint16_t dunedaq::datahandlinglibs::ErrorBitGenerator::m_error_bits[1000]

private

Definition at line 76 of file ErrorBitGenerator.hpp.

m_error_bits_index

int dunedaq::datahandlinglibs::ErrorBitGenerator::m_error_bits_index

private

Definition at line 77 of file ErrorBitGenerator.hpp.

m_error_occurrences

int dunedaq::datahandlinglibs::ErrorBitGenerator::m_error_occurrences[1000]

private

Definition at line 78 of file ErrorBitGenerator.hpp.

m_error_occurrences_index

int dunedaq::datahandlinglibs::ErrorBitGenerator::m_error_occurrences_index

private

Definition at line 79 of file ErrorBitGenerator.hpp.

m_error_rate

double dunedaq::datahandlinglibs::ErrorBitGenerator::m_error_rate

private

Definition at line 75 of file ErrorBitGenerator.hpp.

m_no_error_occurrences

int dunedaq::datahandlinglibs::ErrorBitGenerator::m_no_error_occurrences[1000]

private

Definition at line 80 of file ErrorBitGenerator.hpp.

m_no_error_occurrences_index

int dunedaq::datahandlinglibs::ErrorBitGenerator::m_no_error_occurrences_index

private

Definition at line 81 of file ErrorBitGenerator.hpp.

m_occurrence_count

int dunedaq::datahandlinglibs::ErrorBitGenerator::m_occurrence_count

private

Definition at line 83 of file ErrorBitGenerator.hpp.

m_set_error_bits

bool dunedaq::datahandlinglibs::ErrorBitGenerator::m_set_error_bits

private

Definition at line 84 of file ErrorBitGenerator.hpp.

m_size

int dunedaq::datahandlinglibs::ErrorBitGenerator::m_size = 1000

private

Definition at line 74 of file ErrorBitGenerator.hpp.

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

• /github/workspace/dunedaq/sourcecode/datahandlinglibs/include/datahandlinglibs/utils/ErrorBitGenerator.hpp