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annotate OrthancFramework/Sources/MetricsRegistry.cpp @ 5111:7547c7dfd017

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/tools/metrics-prometheus: added orthanc_last_change and orthanc_up_time_s
author Alain Mazy <am@osimis.io>
date Tue, 22 Nov 2022 18:01:23 +0100
parents 43e613a7756b
children 0ea402b4d901
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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) 2017-2022 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2022 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 namespace Orthanc
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32 {
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33 static const boost::posix_time::ptime GetNow()
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34 {
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35 return boost::posix_time::microsec_clock::universal_time();
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36 }
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37
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38 class MetricsRegistry::Item
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39 {
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40 private:
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41 MetricsType type_;
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42 boost::posix_time::ptime time_;
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43 bool hasValue_;
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44 float value_;
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45
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46 void Touch(float value,
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47 const boost::posix_time::ptime& now)
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48 {
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49 hasValue_ = true;
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50 value_ = value;
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51 time_ = now;
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52 }
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53
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54 void Touch(float value)
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55 {
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56 Touch(value, GetNow());
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57 }
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58
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59 void UpdateMax(float value,
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60 int duration)
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61 {
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62 if (hasValue_)
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63 {
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64 const boost::posix_time::ptime now = GetNow();
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65
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66 if (value > value_ ||
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67 (now - time_).total_seconds() > duration)
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68 {
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69 Touch(value, now);
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70 }
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71 }
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72 else
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73 {
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74 Touch(value);
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75 }
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76 }
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77
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78 void UpdateMin(float value,
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79 int duration)
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80 {
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81 if (hasValue_)
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82 {
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83 const boost::posix_time::ptime now = GetNow();
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84
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85 if (value < value_ ||
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86 (now - time_).total_seconds() > duration)
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87 {
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88 Touch(value, now);
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89 }
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90 }
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91 else
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92 {
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93 Touch(value);
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94 }
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95 }
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96
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97 public:
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98 explicit Item(MetricsType type) :
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99 type_(type),
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100 hasValue_(false),
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101 value_(0)
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102 {
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103 }
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104
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105 MetricsType GetType() const
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106 {
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107 return type_;
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108 }
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109
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110 void Update(float value)
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111 {
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112 switch (type_)
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113 {
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114 case MetricsType_Default:
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115 Touch(value);
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116 break;
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117
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118 case MetricsType_MaxOver10Seconds:
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119 UpdateMax(value, 10);
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120 break;
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121
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122 case MetricsType_MaxOver1Minute:
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123 UpdateMax(value, 60);
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124 break;
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125
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126 case MetricsType_MinOver10Seconds:
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127 UpdateMin(value, 10);
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128 break;
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129
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130 case MetricsType_MinOver1Minute:
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131 UpdateMin(value, 60);
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132 break;
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133
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
134 default:
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
135 throw OrthancException(ErrorCode_NotImplemented);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
136 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
137 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
138
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
139 bool HasValue() const
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
140 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
141 return hasValue_;
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
142 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
143
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
144 const boost::posix_time::ptime& GetTime() const
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
145 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
146 if (hasValue_)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
147 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
148 return time_;
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
149 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
150 else
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
151 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
152 throw OrthancException(ErrorCode_BadSequenceOfCalls);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
153 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
154 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
155
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
156 float GetValue() const
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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157 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
158 if (hasValue_)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
159 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
160 return value_;
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
161 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
162 else
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
163 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
164 throw OrthancException(ErrorCode_BadSequenceOfCalls);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
165 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
166 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
167 };
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
168
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
169
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
170 MetricsRegistry::~MetricsRegistry()
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
171 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
172 for (Content::iterator it = content_.begin(); it != content_.end(); ++it)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
173 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
174 assert(it->second != NULL);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
175 delete it->second;
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
176 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
177 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
178
4300
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parents: 4203
diff changeset
179 bool MetricsRegistry::IsEnabled() const
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parents: 4203
diff changeset
180 {
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
181 return enabled_;
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parents: 4203
diff changeset
182 }
b30a8de92ad9 abi continued
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parents: 4203
diff changeset
183
3174
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
184
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
185 void MetricsRegistry::SetEnabled(bool enabled)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
186 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
187 boost::mutex::scoped_lock lock(mutex_);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
188 enabled_ = enabled;
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
189 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
190
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
191
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
192 void MetricsRegistry::Register(const std::string& name,
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
193 MetricsType type)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
194 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
195 boost::mutex::scoped_lock lock(mutex_);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
196
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
197 Content::iterator found = content_.find(name);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
198
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
199 if (found == content_.end())
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
200 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
201 content_[name] = new Item(type);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
202 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
203 else
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
204 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
205 assert(found->second != NULL);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
206
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
207 // This metrics already exists: Only recreate it if there is a
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
208 // mismatch in the type of metrics
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
209 if (found->second->GetType() != type)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
210 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
211 delete found->second;
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
212 found->second = new Item(type);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
213 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
214 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
215 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
216
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
217 void MetricsRegistry::SetValueInternal(const std::string& name,
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
218 float value,
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
219 MetricsType type)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
220 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
221 boost::mutex::scoped_lock lock(mutex_);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
222
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
223 Content::iterator found = content_.find(name);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
224
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
225 if (found == content_.end())
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
226 {
3712
2a170a8f1faf replacing std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3640
diff changeset
227 std::unique_ptr<Item> item(new Item(type));
3174
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
228 item->Update(value);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
229 content_[name] = item.release();
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
230 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
231 else
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
232 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
233 assert(found->second != NULL);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
234 found->second->Update(value);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
235 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
236 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
237
4300
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
238 MetricsRegistry::MetricsRegistry() :
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
239 enabled_(true)
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
240 {
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
241 }
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
242
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
243
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
244 void MetricsRegistry::SetValue(const std::string &name,
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
245 float value,
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
246 MetricsType type)
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
247 {
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
248 // Inlining to avoid loosing time if metrics are disabled
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
249 if (enabled_)
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
250 {
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
251 SetValueInternal(name, value, type);
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
252 }
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
253 }
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
254
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
255
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
256 void MetricsRegistry::SetValue(const std::string &name, float value)
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
257 {
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
258 SetValue(name, value, MetricsType_Default);
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
259 }
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
260
3174
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
261
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
262 MetricsType MetricsRegistry::GetMetricsType(const std::string& name)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
263 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
264 boost::mutex::scoped_lock lock(mutex_);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
265
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
266 Content::const_iterator found = content_.find(name);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
267
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
268 if (found == content_.end())
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
269 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
270 throw OrthancException(ErrorCode_InexistentItem);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
271 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
272 else
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
273 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
274 assert(found->second != NULL);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
275 return found->second->GetType();
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
276 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
277 }
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278
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279
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280 void MetricsRegistry::ExportPrometheusText(std::string& s)
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281 {
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282 // https://www.boost.org/doc/libs/1_69_0/doc/html/date_time/examples.html#date_time.examples.seconds_since_epoch
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283 static const boost::posix_time::ptime EPOCH(boost::gregorian::date(1970, 1, 1));
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284
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285 boost::mutex::scoped_lock lock(mutex_);
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286
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287 s.clear();
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288
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289 if (!enabled_)
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290 {
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291 return;
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292 }
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293
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294 ChunkedBuffer buffer;
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295
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296 for (Content::const_iterator it = content_.begin();
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297 it != content_.end(); ++it)
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298 {
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299 assert(it->second != NULL);
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300
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301 if (it->second->HasValue())
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302 {
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303 boost::posix_time::time_duration diff = it->second->GetTime() - EPOCH;
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304
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305 std::string line = (it->first + " " +
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306 boost::lexical_cast<std::string>(it->second->GetValue()) + " " +
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307 boost::lexical_cast<std::string>(diff.total_milliseconds()) + "\n");
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308
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309 buffer.AddChunk(line);
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310 }
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311 }
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312
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313 buffer.Flatten(s);
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314 }
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315
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316
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317 MetricsRegistry::SharedMetrics::SharedMetrics(MetricsRegistry &registry,
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318 const std::string &name,
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319 MetricsType type) :
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320 registry_(registry),
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321 name_(name),
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322 value_(0)
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323 {
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324 }
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325
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326 void MetricsRegistry::SharedMetrics::Add(float delta)
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327 {
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328 boost::mutex::scoped_lock lock(mutex_);
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329 value_ += delta;
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330 registry_.SetValue(name_, value_);
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331 }
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332
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333
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334 MetricsRegistry::ActiveCounter::ActiveCounter(MetricsRegistry::SharedMetrics &metrics) :
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335 metrics_(metrics)
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336 {
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337 metrics_.Add(1);
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338 }
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339
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340 MetricsRegistry::ActiveCounter::~ActiveCounter()
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341 {
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342 metrics_.Add(-1);
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343 }
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344
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345
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346 void MetricsRegistry::Timer::Start()
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347 {
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348 if (registry_.IsEnabled())
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349 {
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350 active_ = true;
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351 start_ = GetNow();
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352 }
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353 else
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354 {
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355 active_ = false;
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356 }
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357 }
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358
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359
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360 MetricsRegistry::Timer::Timer(MetricsRegistry &registry,
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361 const std::string &name) :
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362 registry_(registry),
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363 name_(name),
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364 type_(MetricsType_MaxOver10Seconds)
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365 {
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366 Start();
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367 }
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368
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369
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370 MetricsRegistry::Timer::Timer(MetricsRegistry &registry,
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371 const std::string &name,
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372 MetricsType type) :
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373 registry_(registry),
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374 name_(name),
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375 type_(type)
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376 {
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377 Start();
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378 }
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379
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380
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381 MetricsRegistry::Timer::~Timer()
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382 {
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383 if (active_)
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384 {
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385 boost::posix_time::time_duration diff = GetNow() - start_;
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386 registry_.SetValue(
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387 name_, static_cast<float>(diff.total_milliseconds()), type_);
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388 }
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389 }
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390 }