Mercurial > hg > orthanc
annotate OrthancFramework/Sources/MetricsRegistry.h @ 4148:732ad6c618ba
removing ChunkedBuffer::AddChunkDestructive()
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 18 Aug 2020 16:56:33 +0200 |
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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) 2017-2020 Osimis S.A., Belgium |
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6 * |
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7 * This program is free software: you can redistribute it and/or |
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8 * modify it under the terms of the GNU Lesser General Public License |
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9 * as published by the Free Software Foundation, either version 3 of |
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10 * the License, or (at your option) any later version. |
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11 * |
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12 * This program is distributed in the hope that it will be useful, but |
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 * Lesser General Public License for more details. |
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16 * |
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17 * You should have received a copy of the GNU Lesser General Public |
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18 * License along with this program. If not, see |
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19 * <http://www.gnu.org/licenses/>. |
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20 **/ |
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21 |
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22 |
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23 #pragma once |
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24 |
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25 #include "OrthancFramework.h" |
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26 |
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27 #if !defined(ORTHANC_SANDBOXED) |
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28 # error The macro ORTHANC_SANDBOXED must be defined |
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29 #endif |
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30 |
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31 #if ORTHANC_SANDBOXED == 1 |
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32 # error The class MetricsRegistry cannot be used in sandboxed environments |
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33 #endif |
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34 |
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35 #include <boost/thread/mutex.hpp> |
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36 #include <boost/date_time/posix_time/posix_time.hpp> |
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37 |
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38 namespace Orthanc |
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39 { |
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40 enum MetricsType |
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41 { |
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42 MetricsType_Default, |
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43 MetricsType_MaxOver10Seconds, |
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44 MetricsType_MaxOver1Minute, |
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45 MetricsType_MinOver10Seconds, |
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46 MetricsType_MinOver1Minute |
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47 }; |
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48 |
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49 class ORTHANC_PUBLIC MetricsRegistry : public boost::noncopyable |
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50 { |
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51 private: |
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52 class Item; |
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53 |
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54 typedef std::map<std::string, Item*> Content; |
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55 |
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56 bool enabled_; |
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57 boost::mutex mutex_; |
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58 Content content_; |
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59 |
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60 void SetValueInternal(const std::string& name, |
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61 float value, |
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62 MetricsType type); |
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63 |
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64 public: |
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65 MetricsRegistry() : |
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66 enabled_(true) |
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67 { |
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68 } |
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69 |
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70 ~MetricsRegistry(); |
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71 |
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72 bool IsEnabled() const |
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73 { |
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74 return enabled_; |
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75 } |
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76 |
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77 void SetEnabled(bool enabled); |
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78 |
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79 void Register(const std::string& name, |
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80 MetricsType type); |
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81 |
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82 void SetValue(const std::string& name, |
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83 float value, |
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84 MetricsType type) |
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85 { |
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86 // Inlining to avoid loosing time if metrics are disabled |
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87 if (enabled_) |
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88 { |
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89 SetValueInternal(name, value, type); |
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90 } |
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91 } |
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92 |
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93 void SetValue(const std::string& name, |
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94 float value) |
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95 { |
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96 SetValue(name, value, MetricsType_Default); |
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97 } |
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98 |
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99 MetricsType GetMetricsType(const std::string& name); |
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100 |
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101 // https://prometheus.io/docs/instrumenting/exposition_formats/#text-based-format |
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102 void ExportPrometheusText(std::string& s); |
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103 |
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104 |
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105 class ORTHANC_PUBLIC SharedMetrics : public boost::noncopyable |
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106 { |
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107 private: |
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108 boost::mutex mutex_; |
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109 MetricsRegistry& registry_; |
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110 std::string name_; |
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111 float value_; |
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112 |
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113 public: |
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114 SharedMetrics(MetricsRegistry& registry, |
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115 const std::string& name, |
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116 MetricsType type) : |
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117 registry_(registry), |
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118 name_(name), |
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119 value_(0) |
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120 { |
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121 } |
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122 |
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123 void Add(float delta); |
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124 }; |
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125 |
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126 |
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127 class ORTHANC_PUBLIC ActiveCounter : public boost::noncopyable |
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128 { |
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129 private: |
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130 SharedMetrics& metrics_; |
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131 |
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132 public: |
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133 ActiveCounter(SharedMetrics& metrics) : |
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134 metrics_(metrics) |
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135 { |
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136 metrics_.Add(1); |
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137 } |
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138 |
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139 ~ActiveCounter() |
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140 { |
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141 metrics_.Add(-1); |
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142 } |
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143 }; |
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144 |
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145 |
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146 class ORTHANC_PUBLIC Timer : public boost::noncopyable |
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147 { |
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148 private: |
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149 MetricsRegistry& registry_; |
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150 std::string name_; |
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151 MetricsType type_; |
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152 bool active_; |
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153 boost::posix_time::ptime start_; |
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154 |
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155 void Start(); |
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156 |
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157 public: |
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158 Timer(MetricsRegistry& registry, |
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159 const std::string& name) : |
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160 registry_(registry), |
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161 name_(name), |
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162 type_(MetricsType_MaxOver10Seconds) |
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163 { |
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164 Start(); |
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165 } |
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166 |
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167 Timer(MetricsRegistry& registry, |
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168 const std::string& name, |
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169 MetricsType type) : |
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170 registry_(registry), |
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171 name_(name), |
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172 type_(type) |
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173 { |
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174 Start(); |
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175 } |
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176 |
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177 ~Timer(); |
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178 }; |
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179 }; |
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180 } |