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annotate OrthancFramework/Sources/MetricsRegistry.cpp @ 5765:247fc5368693 find-refactoring

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un-sharing DatabaseConstraint and ISqlLookupFormatter with orthanc-databases
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 09 Sep 2024 16:14:22 +0200
parents f7adfb22e20e
children 7fadeb395359
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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) 2024-2024 Orthanc Team SRL, Belgium
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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8 *
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9 * This program is free software: you can redistribute it and/or
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10 * modify it under the terms of the GNU Lesser General Public License
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11 * as published by the Free Software Foundation, either version 3 of
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12 * the License, or (at your option) any later version.
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13 *
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14 * This program is distributed in the hope that it will be useful, but
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15 * WITHOUT ANY WARRANTY; without even the implied warranty of
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16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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17 * Lesser General Public License for more details.
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18 *
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19 * You should have received a copy of the GNU Lesser General Public
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20 * License along with this program. If not, see
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21 * <http://www.gnu.org/licenses/>.
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22 **/
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24
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25 #include "PrecompiledHeaders.h"
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26 #include "MetricsRegistry.h"
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27
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28 #include "ChunkedBuffer.h"
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29 #include "Compatibility.h"
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30 #include "OrthancException.h"
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31
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32 #include <boost/math/special_functions/round.hpp>
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33
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34 namespace Orthanc
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35 {
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36 static const boost::posix_time::ptime GetNow()
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37 {
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38 return boost::posix_time::microsec_clock::universal_time();
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39 }
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40
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41 namespace
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42 {
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43 template <typename T>
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44 class TimestampedValue : public boost::noncopyable
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45 {
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46 private:
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47 boost::posix_time::ptime time_;
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48 bool hasValue_;
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49 T value_;
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50
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51 void SetValue(const T& value,
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52 const boost::posix_time::ptime& now)
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53 {
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54 hasValue_ = true;
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55 value_ = value;
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56 time_ = now;
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57 }
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58
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59 bool IsLargerOverPeriod(const T& value,
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60 int duration,
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61 const boost::posix_time::ptime& now) const
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62 {
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63 if (hasValue_)
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64 {
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65 return (value > value_ ||
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66 (now - time_).total_seconds() > duration /* old value has expired */);
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67 }
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68 else
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69 {
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70 return true; // No value yet
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71 }
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72 }
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73
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74 bool IsSmallerOverPeriod(const T& value,
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75 int duration,
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76 const boost::posix_time::ptime& now) const
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77 {
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78 if (hasValue_)
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79 {
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80 return (value < value_ ||
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81 (now - time_).total_seconds() > duration /* old value has expired */);
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82 }
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83 else
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84 {
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85 return true; // No value yet
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86 }
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87 }
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88
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89 public:
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90 explicit TimestampedValue() :
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91 hasValue_(false),
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92 value_(0)
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93 {
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94 }
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95
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96 void Update(const T& value,
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97 const MetricsUpdatePolicy& policy)
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98 {
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99 const boost::posix_time::ptime now = GetNow();
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100
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101 switch (policy)
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102 {
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103 case MetricsUpdatePolicy_Directly:
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104 SetValue(value, now);
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105 break;
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106
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107 case MetricsUpdatePolicy_MaxOver10Seconds:
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108 if (IsLargerOverPeriod(value, 10, now))
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109 {
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110 SetValue(value, now);
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111 }
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112 break;
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113
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114 case MetricsUpdatePolicy_MaxOver1Minute:
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115 if (IsLargerOverPeriod(value, 60, now))
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116 {
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117 SetValue(value, now);
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118 }
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119 break;
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120
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121 case MetricsUpdatePolicy_MinOver10Seconds:
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122 if (IsSmallerOverPeriod(value, 10, now))
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123 {
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124 SetValue(value, now);
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125 }
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126 break;
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127
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128 case MetricsUpdatePolicy_MinOver1Minute:
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129 if (IsSmallerOverPeriod(value, 60, now))
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130 {
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131 SetValue(value, now);
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132 }
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133 break;
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134
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135 default:
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136 throw OrthancException(ErrorCode_NotImplemented);
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137 }
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138 }
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139
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diff changeset
140 void Increment(const T& delta)
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141 {
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diff changeset
142 if (hasValue_)
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143 {
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144 value_ += delta;
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145 }
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146 else
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147 {
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diff changeset
148 value_ = delta;
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149 }
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150 }
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151
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152 bool HasValue() const
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153 {
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154 return hasValue_;
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155 }
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156
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157 const boost::posix_time::ptime& GetTime() const
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158 {
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diff changeset
159 if (hasValue_)
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160 {
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161 return time_;
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162 }
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163 else
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164 {
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165 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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166 }
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167 }
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168
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diff changeset
169 const T& GetValue() const
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170 {
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diff changeset
171 if (hasValue_)
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172 {
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173 return value_;
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174 }
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diff changeset
175 else
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diff changeset
176 {
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diff changeset
177 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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178 }
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179 }
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180 };
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181 }
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182
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183
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diff changeset
184 class MetricsRegistry::Item : public boost::noncopyable
3174
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185 {
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186 private:
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187 MetricsUpdatePolicy policy_;
3174
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188
5337
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189 public:
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f41e1f635c4d cppcheck
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diff changeset
190 explicit Item(MetricsUpdatePolicy policy) :
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diff changeset
191 policy_(policy)
3174
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diff changeset
192 {
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diff changeset
193 }
5337
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194
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diff changeset
195 virtual ~Item()
3174
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196 {
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diff changeset
197 }
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diff changeset
198
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diff changeset
199 MetricsUpdatePolicy GetPolicy() const
3174
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diff changeset
200 {
5337
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diff changeset
201 return policy_;
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diff changeset
202 }
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diff changeset
203
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
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diff changeset
204 virtual void UpdateFloat(float value) = 0;
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205
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diff changeset
206 virtual void UpdateInteger(int64_t value) = 0;
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diff changeset
207
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diff changeset
208 virtual void IncrementInteger(int64_t delta) = 0;
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diff changeset
209
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diff changeset
210 virtual MetricsDataType GetDataType() const = 0;
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
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diff changeset
211
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diff changeset
212 virtual bool HasValue() const = 0;
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diff changeset
213
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diff changeset
214 virtual const boost::posix_time::ptime& GetTime() const = 0;
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diff changeset
215
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diff changeset
216 virtual std::string FormatValue() const = 0;
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diff changeset
217 };
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diff changeset
218
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diff changeset
219
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
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diff changeset
220 class MetricsRegistry::FloatItem : public Item
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diff changeset
221 {
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diff changeset
222 private:
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diff changeset
223 TimestampedValue<float> value_;
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diff changeset
224
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diff changeset
225 public:
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f41e1f635c4d cppcheck
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diff changeset
226 explicit FloatItem(MetricsUpdatePolicy policy) :
5337
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diff changeset
227 Item(policy)
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diff changeset
228 {
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diff changeset
229 }
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diff changeset
230
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diff changeset
231 virtual void UpdateFloat(float value) ORTHANC_OVERRIDE
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diff changeset
232 {
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diff changeset
233 value_.Update(value, GetPolicy());
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diff changeset
234 }
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diff changeset
235
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
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diff changeset
236 virtual void UpdateInteger(int64_t value) ORTHANC_OVERRIDE
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diff changeset
237 {
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
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diff changeset
238 value_.Update(static_cast<float>(value), GetPolicy());
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diff changeset
239 }
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
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diff changeset
240
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
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diff changeset
241 virtual void IncrementInteger(int64_t delta) ORTHANC_OVERRIDE
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diff changeset
242 {
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diff changeset
243 value_.Increment(static_cast<float>(delta));
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diff changeset
244 }
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diff changeset
245
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
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diff changeset
246 virtual MetricsDataType GetDataType() const ORTHANC_OVERRIDE
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diff changeset
247 {
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diff changeset
248 return MetricsDataType_Float;
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diff changeset
249 }
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
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250
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251 virtual bool HasValue() const ORTHANC_OVERRIDE
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252 {
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253 return value_.HasValue();
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254 }
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255
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256 virtual const boost::posix_time::ptime& GetTime() const ORTHANC_OVERRIDE
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257 {
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258 return value_.GetTime();
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259 }
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260
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261 virtual std::string FormatValue() const ORTHANC_OVERRIDE
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262 {
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263 return boost::lexical_cast<std::string>(value_.GetValue());
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264 }
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265 };
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266
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267
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268 class MetricsRegistry::IntegerItem : public Item
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269 {
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270 private:
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271 TimestampedValue<int64_t> value_;
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272
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273 public:
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274 explicit IntegerItem(MetricsUpdatePolicy policy) :
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275 Item(policy)
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276 {
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277 }
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278
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279 virtual void UpdateFloat(float value) ORTHANC_OVERRIDE
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280 {
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281 value_.Update(boost::math::llround(value), GetPolicy());
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282 }
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283
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284 virtual void UpdateInteger(int64_t value) ORTHANC_OVERRIDE
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285 {
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286 value_.Update(value, GetPolicy());
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287 }
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288
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289 virtual void IncrementInteger(int64_t delta) ORTHANC_OVERRIDE
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290 {
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291 value_.Increment(delta);
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292 }
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293
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294 virtual MetricsDataType GetDataType() const ORTHANC_OVERRIDE
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295 {
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296 return MetricsDataType_Integer;
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297 }
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298
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299 virtual bool HasValue() const ORTHANC_OVERRIDE
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300 {
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301 return value_.HasValue();
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302 }
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303
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304 virtual const boost::posix_time::ptime& GetTime() const ORTHANC_OVERRIDE
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305 {
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306 return value_.GetTime();
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307 }
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308
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309 virtual std::string FormatValue() const ORTHANC_OVERRIDE
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310 {
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311 return boost::lexical_cast<std::string>(value_.GetValue());
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312 }
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313 };
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314
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315
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316 MetricsRegistry::~MetricsRegistry()
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317 {
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318 for (Content::iterator it = content_.begin(); it != content_.end(); ++it)
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319 {
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320 assert(it->second != NULL);
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321 delete it->second;
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322 }
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323 }
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diff changeset
324
4300
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diff changeset
325 bool MetricsRegistry::IsEnabled() const
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diff changeset
326 {
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327 return enabled_;
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diff changeset
328 }
b30a8de92ad9 abi continued
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329
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330
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331 void MetricsRegistry::SetEnabled(bool enabled)
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332 {
8ea7c4546c3a primitives to collect metrics in Orthanc
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diff changeset
333 boost::mutex::scoped_lock lock(mutex_);
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diff changeset
334 enabled_ = enabled;
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335 }
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336
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337
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338 void MetricsRegistry::Register(const std::string& name,
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diff changeset
339 MetricsUpdatePolicy policy,
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diff changeset
340 MetricsDataType type)
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diff changeset
341 {
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diff changeset
342 boost::mutex::scoped_lock lock(mutex_);
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diff changeset
343
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b376abae664a Metrics can be stored either as floating-point numbers, or as integers
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diff changeset
344 if (content_.find(name) != content_.end())
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diff changeset
345 {
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diff changeset
346 throw OrthancException(ErrorCode_BadSequenceOfCalls, "Cannot register twice the same metrics: " + name);
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diff changeset
347 }
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diff changeset
348 else
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diff changeset
349 {
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diff changeset
350 GetItemInternal(name, policy, type);
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diff changeset
351 }
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352 }
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diff changeset
353
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diff changeset
354
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diff changeset
355 MetricsRegistry::Item& MetricsRegistry::GetItemInternal(const std::string& name,
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diff changeset
356 MetricsUpdatePolicy policy,
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diff changeset
357 MetricsDataType type)
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diff changeset
358 {
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diff changeset
359 Content::iterator found = content_.find(name);
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diff changeset
360
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diff changeset
361 if (found == content_.end())
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diff changeset
362 {
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diff changeset
363 Item* item = NULL;
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diff changeset
364
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diff changeset
365 switch (type)
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diff changeset
366 {
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diff changeset
367 case MetricsDataType_Float:
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diff changeset
368 item = new FloatItem(policy);
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diff changeset
369 break;
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diff changeset
370
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
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diff changeset
371 case MetricsDataType_Integer:
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diff changeset
372 item = new IntegerItem(policy);
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diff changeset
373 break;
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diff changeset
374
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diff changeset
375 default:
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diff changeset
376 throw OrthancException(ErrorCode_ParameterOutOfRange);
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diff changeset
377 }
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diff changeset
378
5325
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diff changeset
379 content_[name] = item;
9c00e832985f refactoring MetricsRegistry
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diff changeset
380 return *item;
3174
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
381 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
382 else
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
383 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
384 assert(found->second != NULL);
5325
9c00e832985f refactoring MetricsRegistry
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5185
diff changeset
385 return *found->second;
3174
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
386 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
387 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
388
4300
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
389 MetricsRegistry::MetricsRegistry() :
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
390 enabled_(true)
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
391 {
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
392 }
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
393
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
394
5337
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
395 void MetricsRegistry::SetFloatValue(const std::string& name,
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
396 float value,
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
397 MetricsUpdatePolicy policy)
4300
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
398 {
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
399 // Inlining to avoid loosing time if metrics are disabled
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
400 if (enabled_)
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
401 {
5325
9c00e832985f refactoring MetricsRegistry
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5185
diff changeset
402 boost::mutex::scoped_lock lock(mutex_);
5337
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
403 GetItemInternal(name, policy, MetricsDataType_Float).UpdateFloat(value);
4300
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
404 }
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
405 }
5337
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
406
4300
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
407
5337
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
408 void MetricsRegistry::SetIntegerValue(const std::string &name,
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
409 int64_t value,
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
410 MetricsUpdatePolicy policy)
4300
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
411 {
5325
9c00e832985f refactoring MetricsRegistry
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5185
diff changeset
412 // Inlining to avoid loosing time if metrics are disabled
9c00e832985f refactoring MetricsRegistry
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5185
diff changeset
413 if (enabled_)
9c00e832985f refactoring MetricsRegistry
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5185
diff changeset
414 {
9c00e832985f refactoring MetricsRegistry
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5185
diff changeset
415 boost::mutex::scoped_lock lock(mutex_);
5337
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
416 GetItemInternal(name, policy, MetricsDataType_Integer).UpdateInteger(value);
5325
9c00e832985f refactoring MetricsRegistry
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5185
diff changeset
417 }
4300
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
418 }
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
419
3174
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
420
5337
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
421 void MetricsRegistry::IncrementIntegerValue(const std::string &name,
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
422 int64_t delta)
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
423 {
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
424 // Inlining to avoid loosing time if metrics are disabled
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
425 if (enabled_)
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
426 {
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
427 boost::mutex::scoped_lock lock(mutex_);
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
428 GetItemInternal(name, MetricsUpdatePolicy_Directly, MetricsDataType_Integer).IncrementInteger(delta);
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
429 }
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
430 }
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
431
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
432
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
433 MetricsUpdatePolicy MetricsRegistry::GetUpdatePolicy(const std::string& metrics)
3174
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
434 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
435 boost::mutex::scoped_lock lock(mutex_);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
436
5337
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
437 Content::const_iterator found = content_.find(metrics);
3174
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
438
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
439 if (found == content_.end())
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
440 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
441 throw OrthancException(ErrorCode_InexistentItem);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
442 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
443 else
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
444 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
445 assert(found->second != NULL);
5337
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
446 return found->second->GetPolicy();
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
447 }
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
448 }
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
449
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
450
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
451 MetricsDataType MetricsRegistry::GetDataType(const std::string& metrics)
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
452 {
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
453 boost::mutex::scoped_lock lock(mutex_);
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
454
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
455 Content::const_iterator found = content_.find(metrics);
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
456
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
457 if (found == content_.end())
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
458 {
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
459 throw OrthancException(ErrorCode_InexistentItem);
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
460 }
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
461 else
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
462 {
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
463 assert(found->second != NULL);
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
464 return found->second->GetDataType();
3174
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
465 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
466 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
467
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
468
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
469 void MetricsRegistry::ExportPrometheusText(std::string& s)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
470 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
471 // https://www.boost.org/doc/libs/1_69_0/doc/html/date_time/examples.html#date_time.examples.seconds_since_epoch
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
472 static const boost::posix_time::ptime EPOCH(boost::gregorian::date(1970, 1, 1));
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
473
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
474 boost::mutex::scoped_lock lock(mutex_);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
475
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
476 s.clear();
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
477
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
478 if (!enabled_)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
479 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
480 return;
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
481 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
482
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
483 ChunkedBuffer buffer;
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
484
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
485 for (Content::const_iterator it = content_.begin();
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
486 it != content_.end(); ++it)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
487 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
488 assert(it->second != NULL);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
489
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
490 if (it->second->HasValue())
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
491 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
492 boost::posix_time::time_duration diff = it->second->GetTime() - EPOCH;
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
493
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
494 std::string line = (it->first + " " +
5337
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
495 it->second->FormatValue() + " " +
3174
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
496 boost::lexical_cast<std::string>(diff.total_milliseconds()) + "\n");
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
497
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
498 buffer.AddChunk(line);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
499 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
500 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
501
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
502 buffer.Flatten(s);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
503 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
504
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
505
4300
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
506 MetricsRegistry::SharedMetrics::SharedMetrics(MetricsRegistry &registry,
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
507 const std::string &name,
5337
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
508 MetricsUpdatePolicy policy) :
4300
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
509 registry_(registry),
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
510 name_(name),
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
511 value_(0)
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
512 {
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
513 }
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
514
5326
fbe857e942cd store metrics as integers instead of floats to avoid precision loss in increments
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parents: 5325
diff changeset
515 void MetricsRegistry::SharedMetrics::Add(int64_t delta)
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516 {
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diff changeset
517 boost::mutex::scoped_lock lock(mutex_);
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518 value_ += delta;
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b376abae664a Metrics can be stored either as floating-point numbers, or as integers
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519 registry_.SetIntegerValue(name_, value_);
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diff changeset
520 }
784bbb03fb54 new metrics: orthanc_rest_api_active_requests
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parents: 3175
diff changeset
521
784bbb03fb54 new metrics: orthanc_rest_api_active_requests
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3175
diff changeset
522
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523 MetricsRegistry::ActiveCounter::ActiveCounter(MetricsRegistry::SharedMetrics &metrics) :
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524 metrics_(metrics)
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525 {
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526 metrics_.Add(1);
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diff changeset
527 }
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
528
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diff changeset
529 MetricsRegistry::ActiveCounter::~ActiveCounter()
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diff changeset
530 {
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parents: 4203
diff changeset
531 metrics_.Add(-1);
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diff changeset
532 }
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
533
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
534
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parents:
diff changeset
535 void MetricsRegistry::Timer::Start()
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
536 {
8ea7c4546c3a primitives to collect metrics in Orthanc
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parents:
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537 if (registry_.IsEnabled())
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
538 {
8ea7c4546c3a primitives to collect metrics in Orthanc
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parents:
diff changeset
539 active_ = true;
8ea7c4546c3a primitives to collect metrics in Orthanc
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parents:
diff changeset
540 start_ = GetNow();
8ea7c4546c3a primitives to collect metrics in Orthanc
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parents:
diff changeset
541 }
8ea7c4546c3a primitives to collect metrics in Orthanc
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parents:
diff changeset
542 else
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
543 {
8ea7c4546c3a primitives to collect metrics in Orthanc
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parents:
diff changeset
544 active_ = false;
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parents:
diff changeset
545 }
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parents:
diff changeset
546 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
547
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
548
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parents: 4203
diff changeset
549 MetricsRegistry::Timer::Timer(MetricsRegistry &registry,
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parents: 4203
diff changeset
550 const std::string &name) :
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parents: 4203
diff changeset
551 registry_(registry),
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parents: 4203
diff changeset
552 name_(name),
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parents: 5336
diff changeset
553 policy_(MetricsUpdatePolicy_MaxOver10Seconds)
4300
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parents: 4203
diff changeset
554 {
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
555 Start();
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parents: 4203
diff changeset
556 }
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
557
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
558
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
559 MetricsRegistry::Timer::Timer(MetricsRegistry &registry,
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parents: 4203
diff changeset
560 const std::string &name,
5337
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
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parents: 5336
diff changeset
561 MetricsUpdatePolicy policy) :
4300
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parents: 4203
diff changeset
562 registry_(registry),
b30a8de92ad9 abi continued
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parents: 4203
diff changeset
563 name_(name),
5337
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
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parents: 5336
diff changeset
564 policy_(policy)
4300
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
565 {
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
566 Start();
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
567 }
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
568
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
569
3174
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
570 MetricsRegistry::Timer::~Timer()
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
571 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
572 if (active_)
4300
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
573 {
3174
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
574 boost::posix_time::time_duration diff = GetNow() - start_;
5337
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
575 registry_.SetIntegerValue(name_, static_cast<int64_t>(diff.total_milliseconds()), policy_);
3174
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
576 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
577 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
578 }