icinga2/lib/livestatus/stdaggregator.hpp

44 lines
789 B
C++

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