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annotate OrthancFramework/Sources/MetricsRegistry.cpp @ 5337:b376abae664a

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Metrics can be stored either as floating-point numbers, or as integers
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 27 Jun 2023 17:55:09 +0200
parents dd9795dc380d
children f41e1f635c4d
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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 #include "PrecompiledHeaders.h"
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25 #include "MetricsRegistry.h"
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26
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27 #include "ChunkedBuffer.h"
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28 #include "Compatibility.h"
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29 #include "OrthancException.h"
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30
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31 #include <boost/math/special_functions/round.hpp>
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32
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33 namespace Orthanc
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34 {
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35 static const boost::posix_time::ptime GetNow()
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36 {
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37 return boost::posix_time::microsec_clock::universal_time();
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38 }
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39
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40 namespace
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41 {
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42 template <typename T>
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43 class TimestampedValue : public boost::noncopyable
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44 {
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45 private:
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46 boost::posix_time::ptime time_;
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47 bool hasValue_;
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48 T value_;
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49
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50 void SetValue(const T& value,
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51 const boost::posix_time::ptime& now)
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52 {
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53 hasValue_ = true;
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54 value_ = value;
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55 time_ = now;
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56 }
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57
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58 bool IsLargerOverPeriod(const T& value,
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59 int duration,
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60 const boost::posix_time::ptime& now) const
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61 {
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62 if (hasValue_)
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63 {
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64 return (value > value_ ||
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65 (now - time_).total_seconds() > duration /* old value has expired */);
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66 }
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67 else
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68 {
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69 return true; // No value yet
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70 }
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71 }
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72
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73 bool IsSmallerOverPeriod(const T& value,
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74 int duration,
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75 const boost::posix_time::ptime& now) const
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76 {
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77 if (hasValue_)
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78 {
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79 return (value < value_ ||
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80 (now - time_).total_seconds() > duration /* old value has expired */);
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81 }
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82 else
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83 {
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84 return true; // No value yet
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85 }
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86 }
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87
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88 public:
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89 explicit TimestampedValue() :
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90 hasValue_(false),
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91 value_(0)
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92 {
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93 }
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94
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95 void Update(const T& value,
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96 const MetricsUpdatePolicy& policy)
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97 {
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98 const boost::posix_time::ptime now = GetNow();
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99
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100 switch (policy)
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101 {
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102 case MetricsUpdatePolicy_Directly:
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103 SetValue(value, now);
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104 break;
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105
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106 case MetricsUpdatePolicy_MaxOver10Seconds:
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107 if (IsLargerOverPeriod(value, 10, now))
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108 {
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109 SetValue(value, now);
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110 }
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111 break;
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112
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113 case MetricsUpdatePolicy_MaxOver1Minute:
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114 if (IsLargerOverPeriod(value, 60, now))
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115 {
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116 SetValue(value, now);
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117 }
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118 break;
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119
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120 case MetricsUpdatePolicy_MinOver10Seconds:
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121 if (IsSmallerOverPeriod(value, 10, now))
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122 {
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123 SetValue(value, now);
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124 }
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125 break;
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126
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127 case MetricsUpdatePolicy_MinOver1Minute:
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128 if (IsSmallerOverPeriod(value, 60, now))
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129 {
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130 SetValue(value, now);
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131 }
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132 break;
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133
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134 default:
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135 throw OrthancException(ErrorCode_NotImplemented);
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136 }
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137 }
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138
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139 void Increment(const T& delta)
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140 {
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141 if (hasValue_)
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142 {
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143 value_ += delta;
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144 }
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145 else
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146 {
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147 value_ = delta;
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148 }
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149 }
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150
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151 bool HasValue() const
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152 {
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153 return hasValue_;
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154 }
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155
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156 const boost::posix_time::ptime& GetTime() const
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157 {
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diff changeset
158 if (hasValue_)
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159 {
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160 return time_;
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161 }
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162 else
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163 {
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164 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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165 }
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166 }
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167
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168 const T& GetValue() const
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169 {
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170 if (hasValue_)
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171 {
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172 return value_;
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173 }
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diff changeset
174 else
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175 {
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176 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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177 }
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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 class MetricsRegistry::Item : public boost::noncopyable
3174
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184 {
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185 private:
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186 MetricsUpdatePolicy policy_;
3174
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187
5337
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188 public:
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diff changeset
189 Item(MetricsUpdatePolicy policy) :
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diff changeset
190 policy_(policy)
3174
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191 {
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diff changeset
192 }
5337
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193
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diff changeset
194 virtual ~Item()
3174
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195 {
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196 }
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diff changeset
197
5337
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diff changeset
198 MetricsUpdatePolicy GetPolicy() const
3174
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199 {
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diff changeset
200 return policy_;
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diff changeset
201 }
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diff changeset
202
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diff changeset
203 virtual void UpdateFloat(float value) = 0;
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204
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diff changeset
205 virtual void UpdateInteger(int64_t value) = 0;
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206
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diff changeset
207 virtual void IncrementInteger(int64_t delta) = 0;
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208
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diff changeset
209 virtual MetricsDataType GetDataType() const = 0;
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diff changeset
210
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diff changeset
211 virtual bool HasValue() const = 0;
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diff changeset
212
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diff changeset
213 virtual const boost::posix_time::ptime& GetTime() const = 0;
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diff changeset
214
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diff changeset
215 virtual std::string FormatValue() const = 0;
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diff changeset
216 };
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diff changeset
217
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diff changeset
218
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diff changeset
219 class MetricsRegistry::FloatItem : public Item
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diff changeset
220 {
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diff changeset
221 private:
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diff changeset
222 TimestampedValue<float> value_;
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223
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diff changeset
224 public:
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diff changeset
225 FloatItem(MetricsUpdatePolicy policy) :
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diff changeset
226 Item(policy)
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diff changeset
227 {
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diff changeset
228 }
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diff changeset
229
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diff changeset
230 virtual void UpdateFloat(float value) ORTHANC_OVERRIDE
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diff changeset
231 {
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diff changeset
232 value_.Update(value, GetPolicy());
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diff changeset
233 }
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diff changeset
234
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diff changeset
235 virtual void UpdateInteger(int64_t value) ORTHANC_OVERRIDE
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diff changeset
236 {
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diff changeset
237 value_.Update(static_cast<float>(value), GetPolicy());
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diff changeset
238 }
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diff changeset
239
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diff changeset
240 virtual void IncrementInteger(int64_t delta) ORTHANC_OVERRIDE
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diff changeset
241 {
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diff changeset
242 value_.Increment(static_cast<float>(delta));
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diff changeset
243 }
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diff changeset
244
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diff changeset
245 virtual MetricsDataType GetDataType() const ORTHANC_OVERRIDE
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diff changeset
246 {
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diff changeset
247 return MetricsDataType_Float;
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diff changeset
248 }
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diff changeset
249
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
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diff changeset
250 virtual bool HasValue() const ORTHANC_OVERRIDE
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251 {
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252 return value_.HasValue();
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253 }
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254
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255 virtual const boost::posix_time::ptime& GetTime() const ORTHANC_OVERRIDE
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256 {
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257 return value_.GetTime();
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258 }
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259
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260 virtual std::string FormatValue() const ORTHANC_OVERRIDE
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261 {
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262 return boost::lexical_cast<std::string>(value_.GetValue());
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263 }
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264 };
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265
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266
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267 class MetricsRegistry::IntegerItem : public Item
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268 {
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269 private:
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270 TimestampedValue<int64_t> value_;
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271
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272 public:
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273 IntegerItem(MetricsUpdatePolicy policy) :
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274 Item(policy)
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275 {
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276 }
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277
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278 virtual void UpdateFloat(float value) ORTHANC_OVERRIDE
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279 {
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280 value_.Update(boost::math::llround(value), GetPolicy());
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281 }
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282
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283 virtual void UpdateInteger(int64_t value) ORTHANC_OVERRIDE
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284 {
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285 value_.Update(value, GetPolicy());
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286 }
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287
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288 virtual void IncrementInteger(int64_t delta) ORTHANC_OVERRIDE
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289 {
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290 value_.Increment(delta);
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291 }
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292
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293 virtual MetricsDataType GetDataType() const ORTHANC_OVERRIDE
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294 {
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295 return MetricsDataType_Integer;
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296 }
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297
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298 virtual bool HasValue() const ORTHANC_OVERRIDE
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299 {
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300 return value_.HasValue();
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301 }
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302
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303 virtual const boost::posix_time::ptime& GetTime() const ORTHANC_OVERRIDE
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304 {
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305 return value_.GetTime();
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306 }
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307
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308 virtual std::string FormatValue() const ORTHANC_OVERRIDE
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309 {
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310 return boost::lexical_cast<std::string>(value_.GetValue());
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311 }
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312 };
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313
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314
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315 MetricsRegistry::~MetricsRegistry()
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316 {
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317 for (Content::iterator it = content_.begin(); it != content_.end(); ++it)
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318 {
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319 assert(it->second != NULL);
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320 delete it->second;
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321 }
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322 }
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323
4300
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324 bool MetricsRegistry::IsEnabled() const
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325 {
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326 return enabled_;
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327 }
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328
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329
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330 void MetricsRegistry::SetEnabled(bool enabled)
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331 {
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diff changeset
332 boost::mutex::scoped_lock lock(mutex_);
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333 enabled_ = enabled;
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334 }
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335
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336
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337 void MetricsRegistry::Register(const std::string& name,
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338 MetricsUpdatePolicy policy,
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diff changeset
339 MetricsDataType type)
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340 {
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341 boost::mutex::scoped_lock lock(mutex_);
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342
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diff changeset
343 if (content_.find(name) != content_.end())
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344 {
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345 throw OrthancException(ErrorCode_BadSequenceOfCalls, "Cannot register twice the same metrics: " + name);
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346 }
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347 else
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348 {
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diff changeset
349 GetItemInternal(name, policy, type);
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350 }
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351 }
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352
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diff changeset
353
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354 MetricsRegistry::Item& MetricsRegistry::GetItemInternal(const std::string& name,
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355 MetricsUpdatePolicy policy,
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diff changeset
356 MetricsDataType type)
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357 {
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358 Content::iterator found = content_.find(name);
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diff changeset
359
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diff changeset
360 if (found == content_.end())
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diff changeset
361 {
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diff changeset
362 Item* item = NULL;
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diff changeset
363
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diff changeset
364 switch (type)
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diff changeset
365 {
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diff changeset
366 case MetricsDataType_Float:
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diff changeset
367 item = new FloatItem(policy);
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diff changeset
368 break;
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diff changeset
369
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diff changeset
370 case MetricsDataType_Integer:
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diff changeset
371 item = new IntegerItem(policy);
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diff changeset
372 break;
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373
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diff changeset
374 default:
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diff changeset
375 throw OrthancException(ErrorCode_ParameterOutOfRange);
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diff changeset
376 }
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diff changeset
377
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diff changeset
378 content_[name] = item;
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diff changeset
379 return *item;
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diff changeset
380 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
381 else
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
382 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
383 assert(found->second != NULL);
5325
9c00e832985f refactoring MetricsRegistry
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5185
diff changeset
384 return *found->second;
3174
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
385 }
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
4300
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
388 MetricsRegistry::MetricsRegistry() :
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
389 enabled_(true)
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
390 {
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
5337
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
394 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
395 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
396 MetricsUpdatePolicy policy)
4300
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
397 {
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
398 // Inlining to avoid loosing time if metrics are disabled
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
399 if (enabled_)
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
400 {
5325
9c00e832985f refactoring MetricsRegistry
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5185
diff changeset
401 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
402 GetItemInternal(name, policy, MetricsDataType_Float).UpdateFloat(value);
4300
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
403 }
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
404 }
5337
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
405
4300
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
406
5337
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
407 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
408 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
409 MetricsUpdatePolicy policy)
4300
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
410 {
5325
9c00e832985f refactoring MetricsRegistry
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5185
diff changeset
411 // Inlining to avoid loosing time if metrics are disabled
9c00e832985f refactoring MetricsRegistry
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5185
diff changeset
412 if (enabled_)
9c00e832985f refactoring MetricsRegistry
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5185
diff changeset
413 {
9c00e832985f refactoring MetricsRegistry
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5185
diff changeset
414 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
415 GetItemInternal(name, policy, MetricsDataType_Integer).UpdateInteger(value);
5325
9c00e832985f refactoring MetricsRegistry
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5185
diff changeset
416 }
4300
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
417 }
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
418
3174
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
419
5337
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
420 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
421 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
422 {
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
423 // 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
424 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
425 {
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
426 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
427 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
428 }
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 MetricsUpdatePolicy MetricsRegistry::GetUpdatePolicy(const std::string& metrics)
3174
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
433 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
434 boost::mutex::scoped_lock lock(mutex_);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
435
5337
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
436 Content::const_iterator found = content_.find(metrics);
3174
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
437
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
438 if (found == content_.end())
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
439 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
440 throw OrthancException(ErrorCode_InexistentItem);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
441 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
442 else
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
443 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
444 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
445 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
446 }
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 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
451 {
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
452 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
453
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
454 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
455
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
456 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
457 {
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
458 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
459 }
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
460 else
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
461 {
b376abae664a Metrics can be stored either as floating-point numbers, or as integers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5336
diff changeset
462 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
463 return found->second->GetDataType();
3174
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
464 }
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 void MetricsRegistry::ExportPrometheusText(std::string& s)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
469 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
470 // 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
471 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
472
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
473 boost::mutex::scoped_lock lock(mutex_);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
474
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
475 s.clear();
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
476
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
477 if (!enabled_)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
478 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
479 return;
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
480 }
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 ChunkedBuffer buffer;
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
483
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
484 for (Content::const_iterator it = content_.begin();
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
485 it != content_.end(); ++it)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
486 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
487 assert(it->second != NULL);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
488
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
489 if (it->second->HasValue())
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
490 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
491 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
492
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
493 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
494 it->second->FormatValue() + " " +
3174
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
495 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
496
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
497 buffer.AddChunk(line);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
498 }
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 buffer.Flatten(s);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
502 }
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
4300
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
505 MetricsRegistry::SharedMetrics::SharedMetrics(MetricsRegistry &registry,
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
506 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
507 MetricsUpdatePolicy policy) :
4300
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
508 registry_(registry),
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
509 name_(name),
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
510 value_(0)
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
511 {
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
5326
fbe857e942cd store metrics as integers instead of floats to avoid precision loss in increments
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5325
diff changeset
514 void MetricsRegistry::SharedMetrics::Add(int64_t delta)
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515 {
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516 boost::mutex::scoped_lock lock(mutex_);
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517 value_ += delta;
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518 registry_.SetIntegerValue(name_, value_);
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519 }
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520
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521
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522 MetricsRegistry::ActiveCounter::ActiveCounter(MetricsRegistry::SharedMetrics &metrics) :
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523 metrics_(metrics)
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524 {
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525 metrics_.Add(1);
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526 }
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527
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528 MetricsRegistry::ActiveCounter::~ActiveCounter()
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529 {
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530 metrics_.Add(-1);
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531 }
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532
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533
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534 void MetricsRegistry::Timer::Start()
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535 {
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536 if (registry_.IsEnabled())
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537 {
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538 active_ = true;
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539 start_ = GetNow();
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540 }
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541 else
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542 {
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543 active_ = false;
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544 }
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545 }
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546
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547
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548 MetricsRegistry::Timer::Timer(MetricsRegistry &registry,
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549 const std::string &name) :
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550 registry_(registry),
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551 name_(name),
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552 policy_(MetricsUpdatePolicy_MaxOver10Seconds)
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553 {
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554 Start();
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555 }
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556
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557
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558 MetricsRegistry::Timer::Timer(MetricsRegistry &registry,
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559 const std::string &name,
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560 MetricsUpdatePolicy policy) :
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561 registry_(registry),
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562 name_(name),
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563 policy_(policy)
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564 {
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565 Start();
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566 }
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diff changeset
567
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568
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569 MetricsRegistry::Timer::~Timer()
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570 {
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571 if (active_)
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572 {
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573 boost::posix_time::time_duration diff = GetNow() - start_;
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574 registry_.SetIntegerValue(name_, static_cast<int64_t>(diff.total_milliseconds()), policy_);
3174
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parents:
diff changeset
575 }
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parents:
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576 }
8ea7c4546c3a primitives to collect metrics in Orthanc
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parents:
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577 }