Status.cpp

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#include "metrics/Status.hpp"
 
#include <prometheus/counter.h>
#include <prometheus/gauge.h>
 
StatusTracker::StatusTracker(const std::shared_ptr<prometheus::Registry> &reg, const std::string &name,
                             uint64_t metricID)
{
    // Register values
    _activeCtr = &prometheus::BuildGauge()
                      .Name(name + "_active_event_ctr_" + std::to_string(metricID))
                      .Help("Currently active number of events of " + name)
                      .Register(*reg)
                      .Add({});
    _totalCtr = &prometheus::BuildCounter()
                     .Name(name + "_total_event_ctr_" + std::to_string(metricID))
                     .Help("Total occurrences of " + name)
                     .Register(*reg)
                     .Add({});
    _successCtr = &prometheus::BuildCounter()
                       .Name(name + "_success_event_ctr_" + std::to_string(metricID))
                       .Help("Successful events of " + name)
                       .Register(*reg)
                       .Add({});
    _failedCtr = &prometheus::BuildCounter()
                      .Name(name + "_fail_event_ctr_" + std::to_string(metricID))
                      .Help("Failed events of " + name)
                      .Register(*reg)
                      .Add({});
}
 
void StatusTracker::incrementActive() { _activeCtr->Increment(); }
 
void StatusTracker::decrementActive() { _activeCtr->Decrement(); }
 
void StatusTracker::incrementSuccess()
{
    _successCtr->Increment();
    _totalCtr->Increment();
    if (_activeCtr->Value() > 0)
    {
        _activeCtr->Decrement();
    }
}
 
void StatusTracker::incrementFail()
{
    _failedCtr->Increment();
    _totalCtr->Increment();
    if (_activeCtr->Value() > 0)
    {
        _activeCtr->Decrement();
    }
}