Mercurial > hg > orthanc

annotate OrthancFramework/Sources/MetricsRegistry.h @ 5229:365eb5ea5492 db-protobuf

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integration mainline->db-protobuf
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 04 Apr 2023 09:46:40 +0200
parents 0ea402b4d901
children 9c00e832985f
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Lesser General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Lesser General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Lesser General Public
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19 * License along with this program. If not, see
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20 * <http://www.gnu.org/licenses/>.
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21 **/
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22
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23
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24 #pragma once
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25
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26 #include "OrthancFramework.h"
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27
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28 #if !defined(ORTHANC_SANDBOXED)
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29 # error The macro ORTHANC_SANDBOXED must be defined
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30 #endif
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31
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32 #if ORTHANC_SANDBOXED == 1
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33 # error The class MetricsRegistry cannot be used in sandboxed environments
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34 #endif
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35
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36 #include <boost/thread/mutex.hpp>
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37 #include <boost/date_time/posix_time/posix_time.hpp>
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38
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39 namespace Orthanc
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40 {
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41 enum MetricsType
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42 {
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43 MetricsType_Default,
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44 MetricsType_MaxOver10Seconds,
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45 MetricsType_MaxOver1Minute,
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46 MetricsType_MinOver10Seconds,
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47 MetricsType_MinOver1Minute
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48 };
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49
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50 class ORTHANC_PUBLIC MetricsRegistry : public boost::noncopyable
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51 {
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52 private:
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53 class Item;
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54
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55 typedef std::map<std::string, Item*> Content;
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56
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57 bool enabled_;
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58 boost::mutex mutex_;
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59 Content content_;
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60
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61 void SetValueInternal(const std::string& name,
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62 float value,
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63 MetricsType type);
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64
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65 public:
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66 MetricsRegistry();
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67
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68 ~MetricsRegistry();
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69
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70 bool IsEnabled() const;
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71
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72 void SetEnabled(bool enabled);
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73
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74 void Register(const std::string& name,
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75 MetricsType type);
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76
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77 void SetValue(const std::string& name,
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78 float value,
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79 MetricsType type);
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80
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81 void SetValue(const std::string& name,
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82 float value);
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83
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84 MetricsType GetMetricsType(const std::string& name);
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85
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86 // https://prometheus.io/docs/instrumenting/exposition_formats/#text-based-format
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87 void ExportPrometheusText(std::string& s);
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88
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89
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90 class ORTHANC_PUBLIC SharedMetrics : public boost::noncopyable
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91 {
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92 private:
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93 boost::mutex mutex_;
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94 MetricsRegistry& registry_;
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95 std::string name_;
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96 float value_;
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97
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98 public:
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99 SharedMetrics(MetricsRegistry& registry,
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100 const std::string& name,
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101 MetricsType type);
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102
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103 void Add(float delta);
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104 };
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105
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106
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107 class ORTHANC_PUBLIC ActiveCounter : public boost::noncopyable
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108 {
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109 private:
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110 SharedMetrics& metrics_;
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111
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112 public:
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113 explicit ActiveCounter(SharedMetrics& metrics);
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114
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115 ~ActiveCounter();
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116 };
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117
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118
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119 class ORTHANC_PUBLIC Timer : public boost::noncopyable
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120 {
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121 private:
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122 MetricsRegistry& registry_;
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123 std::string name_;
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124 MetricsType type_;
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125 bool active_;
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126 boost::posix_time::ptime start_;
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127
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128 void Start();
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129
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130 public:
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131 Timer(MetricsRegistry& registry,
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132 const std::string& name);
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133
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134 Timer(MetricsRegistry& registry,
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135 const std::string& name,
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136 MetricsType type);
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137
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138 ~Timer();
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139 };
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140 };
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141 }