icinga2/lib/livestatus/avgaggregator.hpp

43 lines
766 B
C++

/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#ifndef AVGAGGREGATOR_H
#define AVGAGGREGATOR_H
#include "livestatus/table.hpp"
#include "livestatus/aggregator.hpp"
namespace icinga
{
/**
* @ingroup livestatus
*/
struct AvgAggregatorState final : public AggregatorState
{
double Avg{0};
double AvgCount{0};
};
/**
* @ingroup livestatus
*/
class AvgAggregator final : public Aggregator
{
public:
DECLARE_PTR_TYPEDEFS(AvgAggregator);
AvgAggregator(String attr);
void Apply(const Table::Ptr& table, const Value& row, AggregatorState **state) override;
double GetResultAndFreeState(AggregatorState *state) const override;
private:
String m_AvgAttr;
static AvgAggregatorState *EnsureState(AggregatorState **state);
};
}
#endif /* AVGAGGREGATOR_H */