granicus.if.org Git - icinga2/blob - lib/livestatus/stdaggregator.hpp

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   2  * Icinga 2                                                                   *
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  19
  20 #ifndef STDAGGREGATOR_H
  21 #define STDAGGREGATOR_H
  22
  23 #include "livestatus/table.hpp"
  24 #include "livestatus/aggregator.hpp"
  25
  26 namespace icinga
  27 {
  28
  29 /**
  30  * @ingroup livestatus
  31  */
  32 struct StdAggregatorState final : public AggregatorState
  33 {
  34         double StdSum{0};
  35         double StdQSum{0};
  36         double StdCount{0};
  37 };
  38
  39 /**
  40  * @ingroup livestatus
  41  */
  42 class StdAggregator final : public Aggregator
  43 {
  44 public:
  45         DECLARE_PTR_TYPEDEFS(StdAggregator);
  46
  47         StdAggregator(String attr);
  48
  49         void Apply(const Table::Ptr& table, const Value& row, AggregatorState **state) override;
  50         double GetResultAndFreeState(AggregatorState *state) const override;
  51
  52 private:
  53         String m_StdAttr;
  54
  55         static StdAggregatorState *EnsureState(AggregatorState **state);
  56 };
  57
  58 }
  59
  60 #endif /* STDAGGREGATOR_H */