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2603
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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) 2017-2018 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 "../PrecompiledHeadersServer.h"
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35 #include "LuaJobManager.h"
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36
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37
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38 namespace Orthanc
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39 {
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40 void LuaJobManager::ConnectionTimeoutThread(LuaJobManager* manager)
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41 {
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42 while (manager->continue_)
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43 {
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44 manager->connectionManager_.CheckTimeout();
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45 boost::this_thread::sleep(boost::posix_time::milliseconds(100));
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46 }
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47 }
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48
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49
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50 void LuaJobManager::SignalDone(const SequenceOfOperationsJob& job)
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51 {
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52 boost::mutex::scoped_lock lock(mutex_);
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53
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54 if (&job == currentJob_)
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55 {
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56 currentId_.clear();
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57 currentJob_ = NULL;
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58 }
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59 }
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60
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61
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62 LuaJobManager::LuaJobManager(JobsEngine& engine) :
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63 engine_(engine),
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64 currentJob_(NULL),
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65 maxOperations_(1000),
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66 priority_(0),
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67 continue_(true)
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68 {
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69 connectionTimeoutThread_ = boost::thread(ConnectionTimeoutThread, this);
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70 }
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71
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72
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73 LuaJobManager::~LuaJobManager()
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74 {
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75 continue_ = false;
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76
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77 if (connectionTimeoutThread_.joinable())
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78 {
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79 connectionTimeoutThread_.join();
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80 }
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81 }
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82
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83
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84 void LuaJobManager::SetMaxOperationsPerJob(size_t count)
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85 {
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86 boost::mutex::scoped_lock lock(mutex_);
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87 maxOperations_ = count;
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88 }
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89
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90
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91 void LuaJobManager::SetPriority(int priority)
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92 {
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93 boost::mutex::scoped_lock lock(mutex_);
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94 priority_ = priority;
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95 }
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96
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97
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98 void LuaJobManager::SetTrailingOperationTimeout(unsigned int timeout)
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99 {
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100 boost::mutex::scoped_lock lock(mutex_);
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101 trailingTimeout_ = timeout;
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102 }
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103
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104
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105 LuaJobManager::Lock* LuaJobManager::Modify()
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106 {
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107 boost::mutex::scoped_lock lock(mutex_);
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108
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109 if (currentJob_ != NULL)
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110 {
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111 std::auto_ptr<Lock> result(new Lock(*currentJob_));
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112
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113 if (!result->IsDone() &&
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114 result->GetOperationsCount() < maxOperations_)
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115 {
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116 return result.release();
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117 }
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118 }
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119
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120 // Need to create a new job, as the previous one is either
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121 // finished, or is getting too long
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122 currentJob_ = new SequenceOfOperationsJob;
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123
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124 engine_.GetRegistry().Submit(currentId_, currentJob_, priority_);
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125
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126 std::auto_ptr<Lock> result(new Lock(*currentJob_));
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127 result->SetTrailingOperationTimeout(trailingTimeout_);
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128
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129 return result.release();
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130 }
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131 }
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