Mercurial > hg > orthanc
view OrthancFramework/Sources/MetricsRegistry.h @ 4214:7b011cfda135
working on DicomStreamReader
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 28 Sep 2020 21:05:13 +0200 |
parents | 7112a8af0b63 |
children | b30a8de92ad9 |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2020 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program. If not, see * <http://www.gnu.org/licenses/>. **/ #pragma once #include "OrthancFramework.h" #if !defined(ORTHANC_SANDBOXED) # error The macro ORTHANC_SANDBOXED must be defined #endif #if ORTHANC_SANDBOXED == 1 # error The class MetricsRegistry cannot be used in sandboxed environments #endif #include <boost/thread/mutex.hpp> #include <boost/date_time/posix_time/posix_time.hpp> namespace Orthanc { enum MetricsType { MetricsType_Default, MetricsType_MaxOver10Seconds, MetricsType_MaxOver1Minute, MetricsType_MinOver10Seconds, MetricsType_MinOver1Minute }; class ORTHANC_PUBLIC MetricsRegistry : public boost::noncopyable { private: class Item; typedef std::map<std::string, Item*> Content; bool enabled_; boost::mutex mutex_; Content content_; void SetValueInternal(const std::string& name, float value, MetricsType type); public: MetricsRegistry() : enabled_(true) { } ~MetricsRegistry(); bool IsEnabled() const { return enabled_; } void SetEnabled(bool enabled); void Register(const std::string& name, MetricsType type); void SetValue(const std::string& name, float value, MetricsType type) { // Inlining to avoid loosing time if metrics are disabled if (enabled_) { SetValueInternal(name, value, type); } } void SetValue(const std::string& name, float value) { SetValue(name, value, MetricsType_Default); } MetricsType GetMetricsType(const std::string& name); // https://prometheus.io/docs/instrumenting/exposition_formats/#text-based-format void ExportPrometheusText(std::string& s); class ORTHANC_PUBLIC SharedMetrics : public boost::noncopyable { private: boost::mutex mutex_; MetricsRegistry& registry_; std::string name_; float value_; public: SharedMetrics(MetricsRegistry& registry, const std::string& name, MetricsType type) : registry_(registry), name_(name), value_(0) { } void Add(float delta); }; class ORTHANC_PUBLIC ActiveCounter : public boost::noncopyable { private: SharedMetrics& metrics_; public: explicit ActiveCounter(SharedMetrics& metrics) : metrics_(metrics) { metrics_.Add(1); } ~ActiveCounter() { metrics_.Add(-1); } }; class ORTHANC_PUBLIC Timer : public boost::noncopyable { private: MetricsRegistry& registry_; std::string name_; MetricsType type_; bool active_; boost::posix_time::ptime start_; void Start(); public: Timer(MetricsRegistry& registry, const std::string& name) : registry_(registry), name_(name), type_(MetricsType_MaxOver10Seconds) { Start(); } Timer(MetricsRegistry& registry, const std::string& name, MetricsType type) : registry_(registry), name_(name), type_(type) { Start(); } ~Timer(); }; }; }