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annotate OrthancFramework/Sources/JobsEngine/JobsEngine.h @ 5342:65d55cc86a41

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author Alain Mazy <am@osimis.io>
date Wed, 28 Jun 2023 11:54:41 +0200
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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) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Lesser General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Lesser General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Lesser General Public
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19 * License along with this program. If not, see
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20 * <http://www.gnu.org/licenses/>.
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21 **/
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22
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23
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24 #pragma once
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25
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26 #include "JobsRegistry.h"
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27
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28 #include "../Compatibility.h"
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29
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30 #include <boost/thread.hpp>
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31
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32 namespace Orthanc
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33 {
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34 class ORTHANC_PUBLIC JobsEngine : public boost::noncopyable
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35 {
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36 private:
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37 enum State
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38 {
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39 State_Setup,
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40 State_Running,
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41 State_Stopping,
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42 State_Done
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43 };
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44
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45 boost::mutex stateMutex_;
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46 State state_;
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47 std::unique_ptr<JobsRegistry> registry_;
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48 boost::thread retryHandler_;
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49 unsigned int threadSleep_;
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50 std::vector<boost::thread*> workers_;
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51
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52 bool IsRunning();
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53
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54 bool ExecuteStep(JobsRegistry::RunningJob& running,
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55 size_t workerIndex);
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56
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57 static void RetryHandler(JobsEngine* engine);
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58
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59 static void Worker(JobsEngine* engine,
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60 size_t workerIndex);
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61
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62 public:
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63 explicit JobsEngine(size_t maxCompletedJobs);
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64
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65 ~JobsEngine();
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66
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67 JobsRegistry& GetRegistry();
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68
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69 void LoadRegistryFromJson(IJobUnserializer& unserializer,
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70 const Json::Value& serialized);
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71
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72 void LoadRegistryFromString(IJobUnserializer& unserializer,
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73 const std::string& serialized);
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74
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75 void SetWorkersCount(size_t count);
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77 void SetThreadSleep(unsigned int sleep);
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78
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79 void Start();
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80
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81 void Stop();
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82 };
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83 }