mirror of https://github.com/minetest/minetest.git
73 lines
1.9 KiB
C++
73 lines
1.9 KiB
C++
/*
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Minetest
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Copyright (C) 2013-2020 Minetest core developers team
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#pragma once
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#include <memory>
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#include <string>
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#include <utility>
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#include "config.h"
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class MetricCounter
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{
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public:
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MetricCounter() = default;
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virtual ~MetricCounter() {}
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virtual void increment(double number = 1.0) = 0;
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virtual double get() const = 0;
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};
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typedef std::shared_ptr<MetricCounter> MetricCounterPtr;
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class MetricGauge
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{
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public:
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MetricGauge() = default;
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virtual ~MetricGauge() {}
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virtual void increment(double number = 1.0) = 0;
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virtual void decrement(double number = 1.0) = 0;
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virtual void set(double number) = 0;
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virtual double get() const = 0;
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};
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typedef std::shared_ptr<MetricGauge> MetricGaugePtr;
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class MetricsBackend
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{
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public:
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MetricsBackend() = default;
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virtual ~MetricsBackend() {}
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typedef std::initializer_list<std::pair<const std::string, std::string>> Labels;
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virtual MetricCounterPtr addCounter(
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const std::string &name, const std::string &help_str,
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Labels labels = {});
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virtual MetricGaugePtr addGauge(
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const std::string &name, const std::string &help_str,
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Labels labels = {});
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};
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#if USE_PROMETHEUS
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MetricsBackend *createPrometheusMetricsBackend();
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#endif
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