1 files changed, 41 insertions, 0 deletions
diff --git a/lib/livestatus/invsumaggregator.hpp b/lib/livestatus/invsumaggregator.hpp
new file mode 100644
index 0000000..f7de7be
--- /dev/null
+++ b/lib/livestatus/invsumaggregator.hpp
@@ -0,0 +1,41 @@
+/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
+
+#ifndef INVSUMAGGREGATOR_H
+#define INVSUMAGGREGATOR_H
+
+#include "livestatus/table.hpp"
+#include "livestatus/aggregator.hpp"
+
+namespace icinga
+{
+
+/**
+ * @ingroup livestatus
+ */
+struct InvSumAggregatorState final : public AggregatorState
+{
+	double InvSum{0};
+};
+
+/**
+ * @ingroup livestatus
+ */
+class InvSumAggregator final : public Aggregator
+{
+public:
+	DECLARE_PTR_TYPEDEFS(InvSumAggregator);
+
+	InvSumAggregator(String attr);
+
+	void Apply(const Table::Ptr& table, const Value& row, AggregatorState **state) override;
+	double GetResultAndFreeState(AggregatorState *state) const override;
+
+private:
+	String m_InvSumAttr;
+
+	static InvSumAggregatorState *EnsureState(AggregatorState **state);
+};
+
+}
+
+#endif /* INVSUMAGGREGATOR_H */