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

   1 /* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
   2
   3 #ifndef INVAVGAGGREGATOR_H
   4 #define INVAVGAGGREGATOR_H
   5
   6 #include "livestatus/table.hpp"
   7 #include "livestatus/aggregator.hpp"
   8
   9 namespace icinga
  10 {
  11
  12 /**
  13  * @ingroup livestatus
  14  */
  15 struct InvAvgAggregatorState final : public AggregatorState
  16 {
  17         double InvAvg{0};
  18         double InvAvgCount{0};
  19 };
  20
  21 /**
  22  * @ingroup livestatus
  23  */
  24 class InvAvgAggregator final : public Aggregator
  25 {
  26 public:
  27         DECLARE_PTR_TYPEDEFS(InvAvgAggregator);
  28
  29         InvAvgAggregator(String attr);
  30
  31         void Apply(const Table::Ptr& table, const Value& row, AggregatorState **state) override;
  32         double GetResultAndFreeState(AggregatorState *state) const override;
  33
  34 private:
  35         String m_InvAvgAttr;
  36
  37         static InvAvgAggregatorState *EnsureState(AggregatorState **state);
  38 };
  39
  40 }
  41
  42 #endif /* INVAVGAGGREGATOR_H */