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annotate OrthancFramework/Sources/JobsEngine/JobsEngine.cpp @ 5676:b744a2cf408a find-refactoring tip

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shorten ParentRetrieveSpecification/ChildrenRetrieveSpecification as ParentSpecification/ChildrenSpecification
author Sebastien Jodogne <s.jodogne@gmail.com>
date Sat, 06 Jul 2024 15:04:28 +0200
parents f7adfb22e20e
children
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium
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6 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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8 *
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9 * This program is free software: you can redistribute it and/or
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10 * modify it under the terms of the GNU Lesser General Public License
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11 * as published by the Free Software Foundation, either version 3 of
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12 * the License, or (at your option) any later version.
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13 *
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14 * This program is distributed in the hope that it will be useful, but
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15 * WITHOUT ANY WARRANTY; without even the implied warranty of
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16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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17 * Lesser General Public License for more details.
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18 *
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19 * You should have received a copy of the GNU Lesser General Public
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20 * License along with this program. If not, see
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21 * <http://www.gnu.org/licenses/>.
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22 **/
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23
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24
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25 #include "../PrecompiledHeaders.h"
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26 #include "JobsEngine.h"
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27
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28 #include "../Logging.h"
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29 #include "../OrthancException.h"
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30 #include "../Toolbox.h"
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31
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32
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33 namespace Orthanc
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34 {
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35 bool JobsEngine::IsRunning()
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36 {
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37 boost::mutex::scoped_lock lock(stateMutex_);
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38 return (state_ == State_Running);
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39 }
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41
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42 bool JobsEngine::ExecuteStep(JobsRegistry::RunningJob& running,
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43 size_t workerIndex)
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44 {
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45 assert(running.IsValid());
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46
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47 if (running.IsPauseScheduled())
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48 {
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49 running.GetJob().Stop(JobStopReason_Paused);
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50 running.MarkPause();
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51 return false;
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52 }
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53
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54 if (running.IsCancelScheduled())
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55 {
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56 running.GetJob().Stop(JobStopReason_Canceled);
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57 running.MarkCanceled();
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58 return false;
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59 }
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60
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61 JobStepResult result;
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62
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63 try
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64 {
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65 result = running.GetJob().Step(running.GetId());
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66 }
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67 catch (OrthancException& e)
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68 {
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69 result = JobStepResult::Failure(e);
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70 }
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71 catch (boost::bad_lexical_cast&)
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72 {
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73 result = JobStepResult::Failure(ErrorCode_BadFileFormat, NULL);
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74 }
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75 catch (...)
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76 {
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77 result = JobStepResult::Failure(ErrorCode_InternalError, NULL);
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78 }
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79
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80 switch (result.GetCode())
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81 {
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82 case JobStepCode_Success:
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83 running.GetJob().Stop(JobStopReason_Success);
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84 running.UpdateStatus(ErrorCode_Success, "");
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85 running.MarkSuccess();
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86 return false;
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87
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88 case JobStepCode_Failure:
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89 running.GetJob().Stop(JobStopReason_Failure);
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90 running.UpdateStatus(result.GetFailureCode(), result.GetFailureDetails());
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91 running.MarkFailure();
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92 return false;
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93
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94 case JobStepCode_Retry:
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95 running.GetJob().Stop(JobStopReason_Retry);
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96 running.UpdateStatus(ErrorCode_Success, "");
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97 running.MarkRetry(result.GetRetryTimeout());
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98 return false;
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99
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100 case JobStepCode_Continue:
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101 running.UpdateStatus(ErrorCode_Success, "");
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102 return true;
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103
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104 default:
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105 throw OrthancException(ErrorCode_InternalError);
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106 }
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107 }
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108
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109
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110 void JobsEngine::RetryHandler(JobsEngine* engine)
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111 {
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112 assert(engine != NULL);
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113
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114 while (engine->IsRunning())
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115 {
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116 boost::this_thread::sleep(boost::posix_time::milliseconds(engine->threadSleep_));
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117 engine->GetRegistry().ScheduleRetries();
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118 }
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119 }
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120
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121
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122 void JobsEngine::Worker(JobsEngine* engine,
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123 size_t workerIndex)
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124 {
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125 assert(engine != NULL);
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126 Logging::SetCurrentThreadName(std::string("JOBS-WORKER-") + boost::lexical_cast<std::string>(workerIndex));
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127 CLOG(INFO, JOBS) << "Worker thread " << workerIndex << " has started";
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128
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129 while (engine->IsRunning())
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130 {
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131 JobsRegistry::RunningJob running(engine->GetRegistry(), engine->threadSleep_);
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132
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133 if (running.IsValid())
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134 {
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135 CLOG(INFO, JOBS) << "Executing job with priority " << running.GetPriority()
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136 << " in worker thread " << workerIndex << ": " << running.GetId();
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137
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138 while (engine->IsRunning())
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139 {
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140 if (!engine->ExecuteStep(running, workerIndex))
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141 {
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142 break;
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143 }
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144 }
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145 }
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146 }
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147 }
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148
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149
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150 JobsEngine::JobsEngine(size_t maxCompletedJobs) :
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151 state_(State_Setup),
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152 registry_(new JobsRegistry(maxCompletedJobs)),
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153 threadSleep_(200),
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154 workers_(1)
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155 {
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156 }
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157
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158
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159 JobsEngine::~JobsEngine()
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160 {
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161 if (state_ != State_Setup &&
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162 state_ != State_Done)
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163 {
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164 CLOG(ERROR, JOBS) << "INTERNAL ERROR: JobsEngine::Stop() should be invoked manually to avoid mess in the destruction order!";
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165 Stop();
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166 }
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167 }
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168
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169
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170 JobsRegistry& JobsEngine::GetRegistry()
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171 {
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172 if (registry_.get() == NULL)
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173 {
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174 throw OrthancException(ErrorCode_InternalError);
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175 }
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176
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177 return *registry_;
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178 }
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179
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180
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181 void JobsEngine::LoadRegistryFromJson(IJobUnserializer& unserializer,
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182 const Json::Value& serialized)
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183 {
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184 boost::mutex::scoped_lock lock(stateMutex_);
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185
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186 if (state_ != State_Setup)
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187 {
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188 // Can only be invoked before calling "Start()"
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189 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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190 }
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191
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192 assert(registry_.get() != NULL);
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193 const size_t maxCompletedJobs = registry_->GetMaxCompletedJobs();
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194 registry_.reset(new JobsRegistry(unserializer, serialized, maxCompletedJobs));
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195 }
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196
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197
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198 void JobsEngine::LoadRegistryFromString(IJobUnserializer& unserializer,
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199 const std::string& serialized)
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200 {
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201 Json::Value value;
4392
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202 if (Toolbox::ReadJson(value, serialized))
2668
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203 {
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204 LoadRegistryFromJson(unserializer, value);
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205 }
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206 else
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207 {
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208 throw OrthancException(ErrorCode_BadFileFormat);
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209 }
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210 }
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diff changeset
211
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diff changeset
212
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213 void JobsEngine::SetWorkersCount(size_t count)
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214 {
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215 boost::mutex::scoped_lock lock(stateMutex_);
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216
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217 if (state_ != State_Setup)
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218 {
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219 // Can only be invoked before calling "Start()"
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220 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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221 }
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parents:
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222
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223 workers_.resize(count);
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224 }
2665
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diff changeset
225
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diff changeset
226
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diff changeset
227 void JobsEngine::SetThreadSleep(unsigned int sleep)
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228 {
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diff changeset
229 boost::mutex::scoped_lock lock(stateMutex_);
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diff changeset
230
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diff changeset
231 if (state_ != State_Setup)
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diff changeset
232 {
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diff changeset
233 // Can only be invoked before calling "Start()"
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diff changeset
234 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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diff changeset
235 }
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diff changeset
236
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diff changeset
237 threadSleep_ = sleep;
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diff changeset
238 }
389d050a2e66 fix deadlock, speed up unit tests
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diff changeset
239
2569
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diff changeset
240
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diff changeset
241 void JobsEngine::Start()
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diff changeset
242 {
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parents:
diff changeset
243 boost::mutex::scoped_lock lock(stateMutex_);
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parents:
diff changeset
244
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diff changeset
245 if (state_ != State_Setup)
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parents:
diff changeset
246 {
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diff changeset
247 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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248 }
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parents:
diff changeset
249
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diff changeset
250 retryHandler_ = boost::thread(RetryHandler, this);
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diff changeset
251
2570
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diff changeset
252 if (workers_.size() == 0)
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diff changeset
253 {
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diff changeset
254 // Use all the available CPUs
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diff changeset
255 size_t n = boost::thread::hardware_concurrency();
2e879c796ec7 JobsRegistry::SubmitAndWait(), StoreScuJob
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diff changeset
256
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
257 if (n == 0)
2e879c796ec7 JobsRegistry::SubmitAndWait(), StoreScuJob
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
258 {
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
259 n = 1;
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diff changeset
260 }
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diff changeset
261
2e879c796ec7 JobsRegistry::SubmitAndWait(), StoreScuJob
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
262 workers_.resize(n);
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diff changeset
263 }
2e879c796ec7 JobsRegistry::SubmitAndWait(), StoreScuJob
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2569
diff changeset
264
2569
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diff changeset
265 for (size_t i = 0; i < workers_.size(); i++)
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diff changeset
266 {
2591
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diff changeset
267 assert(workers_[i] == NULL);
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diff changeset
268 workers_[i] = new boost::thread(Worker, this, i);
2569
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diff changeset
269 }
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parents:
diff changeset
270
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diff changeset
271 state_ = State_Running;
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diff changeset
272
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diff changeset
273 CLOG(WARNING, JOBS) << "The jobs engine has started with " << workers_.size() << " threads";
2569
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diff changeset
274 }
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parents:
diff changeset
275
2af17cd5eb1f reorganization
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parents:
diff changeset
276
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diff changeset
277 void JobsEngine::Stop()
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parents:
diff changeset
278 {
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parents:
diff changeset
279 {
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parents:
diff changeset
280 boost::mutex::scoped_lock lock(stateMutex_);
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parents:
diff changeset
281
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parents:
diff changeset
282 if (state_ != State_Running)
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parents:
diff changeset
283 {
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parents:
diff changeset
284 return;
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parents:
diff changeset
285 }
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parents:
diff changeset
286
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parents:
diff changeset
287 state_ = State_Stopping;
2af17cd5eb1f reorganization
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parents:
diff changeset
288 }
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parents:
diff changeset
289
4295
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Alain Mazy <alain@mazy.be>
parents: 4119
diff changeset
290 CLOG(INFO, JOBS) << "Stopping the jobs engine";
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291
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292 if (retryHandler_.joinable())
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293 {
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294 retryHandler_.join();
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295 }
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296
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297 for (size_t i = 0; i < workers_.size(); i++)
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298 {
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299 assert(workers_[i] != NULL);
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300
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301 if (workers_[i]->joinable())
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302 {
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303 workers_[i]->join();
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304 }
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305
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306 delete workers_[i];
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307 }
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308
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309 {
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310 boost::mutex::scoped_lock lock(stateMutex_);
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311 state_ = State_Done;
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312 }
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313
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314 CLOG(WARNING, JOBS) << "The jobs engine has stopped";
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315 }
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316 }