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annotate OrthancStone/Sources/Oracle/ThreadedOracle.h @ 1871:7053b8a0aaec

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 11 Jan 2022 11:18:48 +0100
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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
1871
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5 * Copyright (C) 2017-2022 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2022 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 <OrthancFramework.h> // To have the macros properly defined
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27 #include <Compatibility.h> // ORTHANC_OVERRIDE
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28
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29 #if !defined(ORTHANC_ENABLE_THREADS)
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30 # error The macro ORTHANC_ENABLE_THREADS must be defined
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31 #endif
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32
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33 #if !defined(ORTHANC_ENABLE_DCMTK)
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34 # error The macro ORTHANC_ENABLE_DCMTK must be defined
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35 #endif
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36
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37 #if ORTHANC_ENABLE_THREADS != 1
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38 # error This file can only compiled for native targets
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39 #endif
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40
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41 #if ORTHANC_ENABLE_DCMTK == 1
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42 # include "../Toolbox/ParsedDicomCache.h"
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43 #endif
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44
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45 #include "IOracle.h"
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46 #include "GenericOracleRunner.h"
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47 #include "../Messages/IMessageEmitter.h"
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48
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49 #include <MultiThreading/SharedMessageQueue.h>
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50
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51
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52 namespace OrthancStone
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53 {
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54 class ThreadedOracle : public IOracle
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55 {
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56 private:
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57 enum State
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58 {
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59 State_Setup,
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60 State_Running,
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61 State_Stopped
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62 };
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63
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64 class Item;
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65 class SleepingCommands;
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66
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67 IMessageEmitter& emitter_;
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68 Orthanc::WebServiceParameters orthanc_;
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69 std::string rootDirectory_;
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70 Orthanc::SharedMessageQueue queue_;
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71 State state_;
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72 boost::mutex mutex_;
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73 std::vector<boost::thread*> workers_;
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74 boost::shared_ptr<SleepingCommands> sleepingCommands_;
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75 boost::thread sleepingWorker_;
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76 unsigned int sleepingTimeResolution_;
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77
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78 #if ORTHANC_ENABLE_DCMTK == 1
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79 boost::shared_ptr<ParsedDicomCache> dicomCache_;
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80 #endif
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81
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82 void Step();
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83
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84 static void Worker(ThreadedOracle* that);
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85
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86 static void SleepingWorker(ThreadedOracle* that);
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87
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88 void StopInternal();
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89
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90 public:
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91 explicit ThreadedOracle(IMessageEmitter& emitter);
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92
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93 virtual ~ThreadedOracle();
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94
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95 void SetOrthancParameters(const Orthanc::WebServiceParameters& orthanc);
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96
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97 void SetRootDirectory(const std::string& rootDirectory);
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98
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99 void SetThreadsCount(unsigned int count);
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100
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101 void SetSleepingTimeResolution(unsigned int milliseconds);
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102
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103 void SetDicomCacheSize(size_t size);
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104
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105 void Start();
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106
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107 void Stop()
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108 {
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109 StopInternal();
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110 }
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111
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112 virtual bool Schedule(boost::shared_ptr<IObserver> receiver,
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113 IOracleCommand* command) ORTHANC_OVERRIDE;
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114 };
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115 }