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annotate OrthancFramework/Sources/MetricsRegistry.cpp @ 4773:4757b36cc538

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rewording
author Alain Mazy <am@osimis.io>
date Mon, 30 Aug 2021 09:48:46 +0200
parents d9473bd5ed43
children 7053502fbf97
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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) 2017-2021 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Lesser General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Lesser General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Lesser General Public
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18 * License along with this program. If not, see
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19 * <http://www.gnu.org/licenses/>.
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20 **/
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21
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22
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23 #include "PrecompiledHeaders.h"
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24 #include "MetricsRegistry.h"
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25
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26 #include "ChunkedBuffer.h"
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27 #include "Compatibility.h"
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28 #include "OrthancException.h"
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29
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30 namespace Orthanc
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31 {
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32 static const boost::posix_time::ptime GetNow()
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33 {
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34 return boost::posix_time::microsec_clock::universal_time();
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35 }
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36
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37 class MetricsRegistry::Item
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38 {
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39 private:
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40 MetricsType type_;
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41 boost::posix_time::ptime time_;
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42 bool hasValue_;
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43 float value_;
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44
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45 void Touch(float value,
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46 const boost::posix_time::ptime& now)
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47 {
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48 hasValue_ = true;
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49 value_ = value;
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50 time_ = now;
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51 }
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52
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53 void Touch(float value)
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54 {
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55 Touch(value, GetNow());
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56 }
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57
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58 void UpdateMax(float value,
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59 int duration)
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60 {
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61 if (hasValue_)
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62 {
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63 const boost::posix_time::ptime now = GetNow();
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64
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65 if (value > value_ ||
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66 (now - time_).total_seconds() > duration)
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67 {
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68 Touch(value, now);
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69 }
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70 }
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71 else
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72 {
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73 Touch(value);
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74 }
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75 }
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76
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77 void UpdateMin(float value,
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78 int duration)
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79 {
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80 if (hasValue_)
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81 {
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82 const boost::posix_time::ptime now = GetNow();
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83
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84 if (value < value_ ||
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85 (now - time_).total_seconds() > duration)
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86 {
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87 Touch(value, now);
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88 }
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89 }
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90 else
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91 {
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92 Touch(value);
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93 }
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94 }
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95
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96 public:
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97 explicit Item(MetricsType type) :
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98 type_(type),
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99 hasValue_(false),
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100 value_(0)
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101 {
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102 }
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103
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104 MetricsType GetType() const
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105 {
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106 return type_;
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107 }
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108
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109 void Update(float value)
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110 {
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111 switch (type_)
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112 {
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113 case MetricsType_Default:
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114 Touch(value);
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115 break;
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116
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117 case MetricsType_MaxOver10Seconds:
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118 UpdateMax(value, 10);
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119 break;
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120
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121 case MetricsType_MaxOver1Minute:
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122 UpdateMax(value, 60);
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123 break;
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124
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125 case MetricsType_MinOver10Seconds:
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126 UpdateMin(value, 10);
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127 break;
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128
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129 case MetricsType_MinOver1Minute:
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130 UpdateMin(value, 60);
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131 break;
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132
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133 default:
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134 throw OrthancException(ErrorCode_NotImplemented);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
135 }
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 bool HasValue() const
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
139 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
140 return hasValue_;
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
141 }
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 const boost::posix_time::ptime& GetTime() const
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
144 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
145 if (hasValue_)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
146 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
147 return time_;
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
148 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
149 else
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
150 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
151 throw OrthancException(ErrorCode_BadSequenceOfCalls);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
152 }
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 float GetValue() const
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
156 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
157 if (hasValue_)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
158 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
159 return value_;
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
160 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
161 else
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
162 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
163 throw OrthancException(ErrorCode_BadSequenceOfCalls);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
164 }
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 MetricsRegistry::~MetricsRegistry()
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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170 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
171 for (Content::iterator it = content_.begin(); it != content_.end(); ++it)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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172 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
173 assert(it->second != NULL);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
174 delete it->second;
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
175 }
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
4300
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parents: 4203
diff changeset
178 bool MetricsRegistry::IsEnabled() const
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parents: 4203
diff changeset
179 {
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parents: 4203
diff changeset
180 return enabled_;
b30a8de92ad9 abi continued
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parents: 4203
diff changeset
181 }
b30a8de92ad9 abi continued
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parents: 4203
diff changeset
182
3174
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
183
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
184 void MetricsRegistry::SetEnabled(bool enabled)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
185 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
186 boost::mutex::scoped_lock lock(mutex_);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
187 enabled_ = enabled;
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
188 }
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 void MetricsRegistry::Register(const std::string& name,
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
192 MetricsType type)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
193 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
194 boost::mutex::scoped_lock lock(mutex_);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
195
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
196 Content::iterator found = content_.find(name);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
197
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
198 if (found == content_.end())
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
199 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
200 content_[name] = new Item(type);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
201 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
202 else
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
203 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
204 assert(found->second != NULL);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
205
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
206 // 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
207 // mismatch in the type of metrics
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
208 if (found->second->GetType() != type)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
209 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
210 delete found->second;
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
211 found->second = new Item(type);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
212 }
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 void MetricsRegistry::SetValueInternal(const std::string& name,
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
217 float value,
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
218 MetricsType type)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
219 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
220 boost::mutex::scoped_lock lock(mutex_);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
221
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
222 Content::iterator found = content_.find(name);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
223
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
224 if (found == content_.end())
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
225 {
3712
2a170a8f1faf replacing std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3640
diff changeset
226 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
227 item->Update(value);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
228 content_[name] = item.release();
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
229 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
230 else
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
231 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
232 assert(found->second != NULL);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
233 found->second->Update(value);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
234 }
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
4300
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
237 MetricsRegistry::MetricsRegistry() :
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
238 enabled_(true)
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
239 {
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 void MetricsRegistry::SetValue(const std::string &name,
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
244 float value,
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
245 MetricsType type)
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
246 {
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
247 // Inlining to avoid loosing time if metrics are disabled
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
248 if (enabled_)
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
249 {
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
250 SetValueInternal(name, value, type);
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
251 }
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 void MetricsRegistry::SetValue(const std::string &name, float value)
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
256 {
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
257 SetValue(name, value, MetricsType_Default);
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
258 }
b30a8de92ad9 abi continued
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4203
diff changeset
259
3174
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
260
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
261 MetricsType MetricsRegistry::GetMetricsType(const std::string& name)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
262 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
263 boost::mutex::scoped_lock lock(mutex_);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
264
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
265 Content::const_iterator found = content_.find(name);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
266
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
267 if (found == content_.end())
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
268 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
269 throw OrthancException(ErrorCode_InexistentItem);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
270 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
271 else
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
272 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
273 assert(found->second != NULL);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
274 return found->second->GetType();
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
275 }
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
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
278
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279 void MetricsRegistry::ExportPrometheusText(std::string& s)
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280 {
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281 // 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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282 static const boost::posix_time::ptime EPOCH(boost::gregorian::date(1970, 1, 1));
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283
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284 boost::mutex::scoped_lock lock(mutex_);
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285
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286 s.clear();
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287
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288 if (!enabled_)
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289 {
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290 return;
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291 }
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292
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293 ChunkedBuffer buffer;
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294
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295 for (Content::const_iterator it = content_.begin();
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296 it != content_.end(); ++it)
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297 {
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298 assert(it->second != NULL);
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299
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300 if (it->second->HasValue())
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301 {
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302 boost::posix_time::time_duration diff = it->second->GetTime() - EPOCH;
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303
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304 std::string line = (it->first + " " +
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305 boost::lexical_cast<std::string>(it->second->GetValue()) + " " +
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306 boost::lexical_cast<std::string>(diff.total_milliseconds()) + "\n");
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307
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308 buffer.AddChunk(line);
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309 }
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310 }
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311
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312 buffer.Flatten(s);
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313 }
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314
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315
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316 MetricsRegistry::SharedMetrics::SharedMetrics(MetricsRegistry &registry,
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317 const std::string &name,
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318 MetricsType type) :
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319 registry_(registry),
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320 name_(name),
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321 value_(0)
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322 {
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323 }
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324
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325 void MetricsRegistry::SharedMetrics::Add(float delta)
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326 {
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327 boost::mutex::scoped_lock lock(mutex_);
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328 value_ += delta;
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329 registry_.SetValue(name_, value_);
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330 }
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331
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332
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333 MetricsRegistry::ActiveCounter::ActiveCounter(MetricsRegistry::SharedMetrics &metrics) :
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334 metrics_(metrics)
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335 {
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336 metrics_.Add(1);
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337 }
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338
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339 MetricsRegistry::ActiveCounter::~ActiveCounter()
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340 {
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341 metrics_.Add(-1);
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342 }
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343
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344
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345 void MetricsRegistry::Timer::Start()
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346 {
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347 if (registry_.IsEnabled())
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348 {
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349 active_ = true;
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350 start_ = GetNow();
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351 }
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352 else
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353 {
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354 active_ = false;
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355 }
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356 }
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357
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358
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359 MetricsRegistry::Timer::Timer(MetricsRegistry &registry,
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360 const std::string &name) :
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361 registry_(registry),
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362 name_(name),
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363 type_(MetricsType_MaxOver10Seconds)
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364 {
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365 Start();
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366 }
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367
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368
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369 MetricsRegistry::Timer::Timer(MetricsRegistry &registry,
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370 const std::string &name,
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371 MetricsType type) :
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372 registry_(registry),
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373 name_(name),
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374 type_(type)
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375 {
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376 Start();
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377 }
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378
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379
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380 MetricsRegistry::Timer::~Timer()
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381 {
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382 if (active_)
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383 {
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384 boost::posix_time::time_duration diff = GetNow() - start_;
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385 registry_.SetValue(
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386 name_, static_cast<float>(diff.total_milliseconds()), type_);
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387 }
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388 }
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389 }