Mercurial > hg > orthanc
annotate OrthancFramework/Sources/MultiThreading/RunnableWorkersPool.cpp @ 5798:ebd828518719 find-refactoring tip
merged default -> find-refactoring
| author | Alain Mazy <am@orthanc.team> |
|---|---|
| date | Fri, 20 Sep 2024 08:20:55 +0200 |
| parents | f7adfb22e20e |
| children |
| rev | line source |
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| 1679 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
| 1679 | 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 |
| 1679 | 8 * |
| 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. |
| 1679 | 13 * |
| 14 * This program is distributed in the hope that it will be useful, but | |
| 15 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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17 * Lesser General Public License for more details. |
| 1679 | 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/>. |
| 1679 | 22 **/ |
| 23 | |
| 24 | |
| 25 #include "../PrecompiledHeaders.h" | |
| 26 #include "RunnableWorkersPool.h" | |
| 27 | |
| 28 #include "SharedMessageQueue.h" | |
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29 #include "../Compatibility.h" |
| 1679 | 30 #include "../OrthancException.h" |
| 31 #include "../Logging.h" | |
| 32 | |
| 33 namespace Orthanc | |
| 34 { | |
| 35 struct RunnableWorkersPool::PImpl | |
| 36 { | |
| 37 class Worker | |
| 38 { | |
| 39 private: | |
| 40 const bool& continue_; | |
| 41 SharedMessageQueue& queue_; | |
| 42 boost::thread thread_; | |
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43 std::string name_; |
| 1679 | 44 |
| 45 static void WorkerThread(Worker* that) | |
| 46 { | |
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47 Logging::SetCurrentThreadName(that->name_); |
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48 |
| 1679 | 49 while (that->continue_) |
| 50 { | |
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51 try |
| 1679 | 52 { |
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53 std::unique_ptr<IDynamicObject> obj(that->queue_.Dequeue(100)); |
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54 if (obj.get() != NULL) |
| 1679 | 55 { |
| 56 IRunnableBySteps& runnable = *dynamic_cast<IRunnableBySteps*>(obj.get()); | |
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57 |
| 1679 | 58 bool wishToContinue = runnable.Step(); |
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59 |
| 1679 | 60 if (wishToContinue) |
| 61 { | |
| 62 // The runnable wishes to continue, reinsert it at the beginning of the queue | |
| 63 that->queue_.Enqueue(obj.release()); | |
| 64 } | |
| 65 } | |
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66 } |
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67 catch (OrthancException& e) |
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68 { |
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69 LOG(ERROR) << "Exception while handling some runnable object: " << e.What(); |
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70 } |
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71 catch (std::bad_alloc&) |
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72 { |
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73 LOG(ERROR) << "Not enough memory to handle some runnable object"; |
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74 } |
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75 catch (std::exception& e) |
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76 { |
| 2291 | 77 LOG(ERROR) << "std::exception while handling some runnable object: " << e.what(); |
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78 } |
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79 catch (...) |
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80 { |
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81 LOG(ERROR) << "Native exception while handling some runnable object"; |
| 1679 | 82 } |
| 83 } | |
| 84 } | |
| 85 | |
| 86 public: | |
| 87 Worker(const bool& globalContinue, | |
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88 SharedMessageQueue& queue, |
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89 const std::string& name) : |
| 1679 | 90 continue_(globalContinue), |
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91 queue_(queue), |
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92 name_(name) |
| 1679 | 93 { |
| 94 thread_ = boost::thread(WorkerThread, this); | |
| 95 } | |
| 96 | |
| 97 void Join() | |
| 98 { | |
| 99 if (thread_.joinable()) | |
| 100 { | |
| 101 thread_.join(); | |
| 102 } | |
| 103 } | |
| 104 }; | |
| 105 | |
| 106 | |
| 107 bool continue_; | |
| 108 std::vector<Worker*> workers_; | |
| 109 SharedMessageQueue queue_; | |
| 110 }; | |
| 111 | |
| 112 | |
| 113 | |
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114 RunnableWorkersPool::RunnableWorkersPool(size_t countWorkers, const std::string& name) : pimpl_(new PImpl) |
| 1679 | 115 { |
| 116 pimpl_->continue_ = true; | |
| 117 | |
| 1847 | 118 if (countWorkers == 0) |
| 1679 | 119 { |
| 120 throw OrthancException(ErrorCode_ParameterOutOfRange); | |
| 121 } | |
| 122 | |
| 123 pimpl_->workers_.resize(countWorkers); | |
| 124 | |
| 125 for (size_t i = 0; i < countWorkers; i++) | |
| 126 { | |
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127 std::string workerName = name + boost::lexical_cast<std::string>(i); |
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128 pimpl_->workers_[i] = new PImpl::Worker(pimpl_->continue_, pimpl_->queue_, workerName); |
| 1679 | 129 } |
| 130 } | |
| 131 | |
| 132 | |
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133 void RunnableWorkersPool::Stop() |
| 1679 | 134 { |
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135 if (pimpl_->continue_) |
| 1679 | 136 { |
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137 pimpl_->continue_ = false; |
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138 |
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139 for (size_t i = 0; i < pimpl_->workers_.size(); i++) |
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140 { |
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141 PImpl::Worker* worker = pimpl_->workers_[i]; |
| 1679 | 142 |
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143 if (worker != NULL) |
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144 { |
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145 worker->Join(); |
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146 delete worker; |
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147 } |
| 1679 | 148 } |
| 149 } | |
| 150 } | |
| 151 | |
| 152 | |
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153 RunnableWorkersPool::~RunnableWorkersPool() |
| 1679 | 154 { |
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155 Stop(); |
| 1679 | 156 } |
| 157 | |
| 158 | |
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159 void RunnableWorkersPool::Add(IRunnableBySteps* runnable) |
| 1679 | 160 { |
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161 if (!pimpl_->continue_) |
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162 { |
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163 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
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164 } |
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165 |
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166 pimpl_->queue_.Enqueue(runnable); |
| 1679 | 167 } |
| 168 } |