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Diffstat (limited to '')
-rw-r--r-- | lib/livestatus/sumaggregator.hpp | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/lib/livestatus/sumaggregator.hpp b/lib/livestatus/sumaggregator.hpp new file mode 100644 index 0000000..23f22fb --- /dev/null +++ b/lib/livestatus/sumaggregator.hpp @@ -0,0 +1,41 @@ +/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */ + +#ifndef SUMAGGREGATOR_H +#define SUMAGGREGATOR_H + +#include "livestatus/table.hpp" +#include "livestatus/aggregator.hpp" + +namespace icinga +{ + +/** + * @ingroup livestatus + */ +struct SumAggregatorState final : public AggregatorState +{ + double Sum{0}; +}; + +/** + * @ingroup livestatus + */ +class SumAggregator final : public Aggregator +{ +public: + DECLARE_PTR_TYPEDEFS(SumAggregator); + + SumAggregator(String attr); + + void Apply(const Table::Ptr& table, const Value& row, AggregatorState **state) override; + double GetResultAndFreeState(AggregatorState *state) const override; + +private: + String m_SumAttr; + + static SumAggregatorState *EnsureState(AggregatorState **state); +}; + +} + +#endif /* SUMAGGREGATOR_H */ |