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annotate Core/MetricsRegistry.cpp @ 3174:8ea7c4546c3a

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primitives to collect metrics in Orthanc
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 29 Jan 2019 15:15:48 +0100
parents
children 574890d14c92
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3174
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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) 2017-2019 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 General Public License as
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9 * published by the Free Software Foundation, either version 3 of the
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10 * License, or (at your option) any later version.
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11 *
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12 * In addition, as a special exception, the copyright holders of this
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13 * program give permission to link the code of its release with the
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14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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15 * that use the same license as the "OpenSSL" library), and distribute
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16 * the linked executables. You must obey the GNU General Public License
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17 * in all respects for all of the code used other than "OpenSSL". If you
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18 * modify file(s) with this exception, you may extend this exception to
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19 * your version of the file(s), but you are not obligated to do so. If
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20 * you do not wish to do so, delete this exception statement from your
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21 * version. If you delete this exception statement from all source files
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22 * in the program, then also delete it here.
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23 *
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24 * This program is distributed in the hope that it will be useful, but
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25 * WITHOUT ANY WARRANTY; without even the implied warranty of
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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27 * General Public License for more details.
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28 *
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29 * You should have received a copy of the GNU General Public License
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30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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31 **/
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32
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33
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34 #include "PrecompiledHeaders.h"
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35 #include "MetricsRegistry.h"
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36
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37 #include "OrthancException.h"
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38 #include "ChunkedBuffer.h"
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39
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40 namespace Orthanc
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41 {
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42 static const boost::posix_time::ptime GetNow()
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43 {
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44 return boost::posix_time::second_clock::universal_time();
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45 }
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46
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47
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48 class MetricsRegistry::Item
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49 {
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50 private:
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51 MetricsType type_;
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52 boost::posix_time::ptime time_;
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53 bool hasValue_;
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54 float value_;
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55
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56 void Touch(float value,
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57 const boost::posix_time::ptime& now)
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58 {
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59 hasValue_ = true;
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60 value_ = value;
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61 time_ = now;
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62 }
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63
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64 void Touch(float value)
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65 {
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66 Touch(value, GetNow());
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67 }
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68
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69 void UpdateMax(float value,
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70 int duration)
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71 {
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72 if (hasValue_)
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73 {
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74 const boost::posix_time::ptime now = GetNow();
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75
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76 if (value > value_ ||
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77 (now - time_).total_seconds() > duration)
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78 {
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79 Touch(value, now);
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80 }
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81 }
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82 else
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83 {
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84 Touch(value);
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85 }
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86 }
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87
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88 void UpdateMin(float value,
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89 int duration)
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90 {
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91 if (hasValue_)
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92 {
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93 const boost::posix_time::ptime now = GetNow();
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94
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95 if (value < value_ ||
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96 (now - time_).total_seconds() > duration)
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97 {
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98 Touch(value, now);
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99 }
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100 }
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101 else
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102 {
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103 Touch(value);
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104 }
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105 }
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106
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107 public:
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108 Item(MetricsType type) :
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109 type_(type),
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110 hasValue_(false)
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111 {
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112 }
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113
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114 MetricsType GetType() const
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115 {
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116 return type_;
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117 }
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118
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119 void Update(float value)
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120 {
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121 switch (type_)
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122 {
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123 case MetricsType_Default:
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124 Touch(value);
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125 break;
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126
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127 case MetricsType_MaxOver10Seconds:
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128 UpdateMax(value, 10);
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129 break;
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130
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131 case MetricsType_MaxOver1Minute:
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132 UpdateMax(value, 60);
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133 break;
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134
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135 case MetricsType_MinOver10Seconds:
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136 UpdateMin(value, 10);
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137 break;
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 case MetricsType_MinOver1Minute:
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
140 UpdateMin(value, 60);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
141 break;
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 default:
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
144 throw OrthancException(ErrorCode_NotImplemented);
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 }
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 bool HasValue() const
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 return hasValue_;
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
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
153 const boost::posix_time::ptime& GetTime() const
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 if (hasValue_)
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 return time_;
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 else
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 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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 }
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 float GetValue() const
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 if (hasValue_)
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 return value_;
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
170 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
171 else
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
172 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
173 throw OrthancException(ErrorCode_BadSequenceOfCalls);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
174 }
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
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
178
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
179 MetricsRegistry::~MetricsRegistry()
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
180 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
181 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
182 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
183 assert(it->second != NULL);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
184 delete it->second;
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 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
187
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 void MetricsRegistry::SetEnabled(bool enabled)
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 boost::mutex::scoped_lock lock(mutex_);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
192 enabled_ = enabled;
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
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 void MetricsRegistry::Register(const std::string& name,
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
197 MetricsType type)
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 boost::mutex::scoped_lock lock(mutex_);
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::iterator found = content_.find(name);
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 if (found == content_.end())
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 content_[name] = new Item(type);
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 else
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
208 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
209 assert(found->second != NULL);
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 // 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
212 // mismatch in the type of metrics
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
213 if (found->second->GetType() != type)
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 delete found->second;
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
216 found->second = new Item(type);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
217 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
218 }
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
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 void MetricsRegistry::SetValueInternal(const std::string& name,
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
223 float value,
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
224 MetricsType type)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
225 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
226 boost::mutex::scoped_lock lock(mutex_);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
227
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
228 Content::iterator found = content_.find(name);
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 if (found == content_.end())
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 std::auto_ptr<Item> item(new Item(type));
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
233 item->Update(value);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
234 content_[name] = item.release();
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 else
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
237 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
238 assert(found->second != NULL);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
239 found->second->Update(value);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
240 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
241 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
242
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
243
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
244 MetricsType MetricsRegistry::GetMetricsType(const std::string& name)
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
245 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
246 boost::mutex::scoped_lock lock(mutex_);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
247
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
248 Content::const_iterator found = content_.find(name);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
249
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
250 if (found == content_.end())
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
251 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
252 throw OrthancException(ErrorCode_InexistentItem);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
253 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
254 else
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
255 {
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
256 assert(found->second != NULL);
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
257 return found->second->GetType();
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
258 }
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
259 }
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
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
262 void MetricsRegistry::ExportPrometheusText(std::string& s)
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 // 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
265 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
266
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
267 boost::mutex::scoped_lock lock(mutex_);
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 s.clear();
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 if (!enabled_)
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 return;
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
274 }
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 ChunkedBuffer buffer;
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 for (Content::const_iterator it = content_.begin();
8ea7c4546c3a primitives to collect metrics in Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
279 it != content_.end(); ++it)
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280 {
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281 assert(it->second != NULL);
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282
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283 if (it->second->HasValue())
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284 {
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285 boost::posix_time::time_duration diff = it->second->GetTime() - EPOCH;
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286
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287 std::string line = (it->first + " " +
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288 boost::lexical_cast<std::string>(it->second->GetValue()) + " " +
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289 boost::lexical_cast<std::string>(diff.total_milliseconds()) + "\n");
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290
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291 buffer.AddChunk(line);
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292 }
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293 }
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294
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295 buffer.Flatten(s);
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296 }
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297
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298
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299 void MetricsRegistry::Timer::Start()
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300 {
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301 if (registry_.IsEnabled())
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302 {
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303 active_ = true;
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304 start_ = GetNow();
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305 }
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306 else
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307 {
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308 active_ = false;
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309 }
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310 }
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311
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312
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313 MetricsRegistry::Timer::~Timer()
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314 {
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315 if (active_)
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316 {
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317 boost::posix_time::time_duration diff = GetNow() - start_;
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318 registry_.SetValue(name_, diff.total_milliseconds(), type_);
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319 }
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320 }
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321 }