mirror of https://github.com/Icinga/icinga2.git
64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2017 Icinga Development Team (https://www.icinga.com/) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#ifndef AVGAGGREGATOR_H
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#define AVGAGGREGATOR_H
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#include "livestatus/table.hpp"
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#include "livestatus/aggregator.hpp"
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namespace icinga
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{
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/**
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* @ingroup livestatus
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*/
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struct AvgAggregatorState : public AggregatorState
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{
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AvgAggregatorState(void)
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: Avg(0), AvgCount(0)
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{ }
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double Avg;
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double AvgCount;
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};
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/**
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* @ingroup livestatus
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*/
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class I2_LIVESTATUS_API AvgAggregator : public Aggregator
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{
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public:
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DECLARE_PTR_TYPEDEFS(AvgAggregator);
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AvgAggregator(const String& attr);
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virtual void Apply(const Table::Ptr& table, const Value& row, AggregatorState **state) override;
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virtual double GetResultAndFreeState(AggregatorState *state) const override;
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private:
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String m_AvgAttr;
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static AvgAggregatorState *EnsureState(AggregatorState **state);
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};
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}
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#endif /* AVGAGGREGATOR_H */
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