mirror of https://github.com/Icinga/icinga2.git
39 lines
865 B
C++
39 lines
865 B
C++
/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
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#include "livestatus/avgaggregator.hpp"
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using namespace icinga;
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AvgAggregator::AvgAggregator(String attr)
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: m_AvgAttr(std::move(attr))
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{ }
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AvgAggregatorState *AvgAggregator::EnsureState(AggregatorState **state)
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{
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if (!*state)
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*state = new AvgAggregatorState();
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return static_cast<AvgAggregatorState *>(*state);
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}
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void AvgAggregator::Apply(const Table::Ptr& table, const Value& row, AggregatorState **state)
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{
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Column column = table->GetColumn(m_AvgAttr);
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Value value = column.ExtractValue(row);
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AvgAggregatorState *pstate = EnsureState(state);
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pstate->Avg += value;
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pstate->AvgCount++;
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}
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double AvgAggregator::GetResultAndFreeState(AggregatorState *state) const
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{
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AvgAggregatorState *pstate = EnsureState(&state);
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double result = pstate->Avg / pstate->AvgCount;
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delete pstate;
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return result;
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}
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