Mercurial > hg > orthanc
view Core/MetricsRegistry.h @ 3689:e85bfba2d307
"/instances": Support "Content-Encoding: gzip" to upload gzip-compressed DICOM files
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 25 Feb 2020 11:07:56 +0100 |
parents | 94f4a18a79cc |
children | f9863630ec7f |
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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 General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * In addition, as a special exception, the copyright holders of this * program give permission to link the code of its release with the * OpenSSL project's "OpenSSL" library (or with modified versions of it * that use the same license as the "OpenSSL" library), and distribute * the linked executables. You must obey the GNU General Public License * in all respects for all of the code used other than "OpenSSL". If you * modify file(s) with this exception, you may extend this exception to * your version of the file(s), but you are not obligated to do so. If * you do not wish to do so, delete this exception statement from your * version. If you delete this exception statement from all source files * in the program, then also delete it here. * * 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 * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #pragma once #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 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 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 ActiveCounter : public boost::noncopyable { private: SharedMetrics& metrics_; public: ActiveCounter(SharedMetrics& metrics) : metrics_(metrics) { metrics_.Add(1); } ~ActiveCounter() { metrics_.Add(-1); } }; class 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(); }; }; }