Mercurial > hg > orthanc-stone

annotate Framework/Loaders/GenericLoadersContext.cpp @ 1444:687457d4018f loader-injection-feature

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Getter for slice processor
author Benjamin Golinvaux <bgo@osimis.io>
date Tue, 26 May 2020 12:11:18 +0200
parents 297e57d3508c
children
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rev   line source
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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
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5 * Copyright (C) 2017-2020 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 Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21
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22 #include "GenericLoadersContext.h"
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23
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24 namespace OrthancStone
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25 {
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26 class GenericLoadersContext::Locker : public ILoadersContext::ILock
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27 {
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28 private:
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29 GenericLoadersContext& that_;
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30 boost::recursive_mutex::scoped_lock lock_;
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31
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32 public:
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33 Locker(GenericLoadersContext& that) :
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34 that_(that),
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35 lock_(that.mutex_)
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36 {
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37 if (!that_.scheduler_)
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38 {
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39 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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40 }
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41 }
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42
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43 virtual ILoadersContext& GetContext() const ORTHANC_OVERRIDE
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44 {
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45 return that_;
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46 };
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48 virtual void AddLoader(boost::shared_ptr<IObserver> loader) ORTHANC_OVERRIDE
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49 {
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50 that_.loaders_.push_back(loader);
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51 }
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52
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53 virtual IObservable& GetOracleObservable() const ORTHANC_OVERRIDE
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54 {
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55 return that_.oracleObservable_;
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56 }
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57
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58 virtual void Schedule(boost::shared_ptr<IObserver> receiver,
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59 int priority,
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60 IOracleCommand* command /* Takes ownership */) ORTHANC_OVERRIDE
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61 {
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62 that_.scheduler_->Schedule(receiver, priority, command);
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63 };
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64
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65 virtual void CancelRequests(boost::shared_ptr<IObserver> receiver) ORTHANC_OVERRIDE
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66 {
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67 that_.scheduler_->CancelRequests(receiver);
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68 }
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69
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70 virtual void CancelAllRequests() ORTHANC_OVERRIDE
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71 {
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72 that_.scheduler_->CancelAllRequests();
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73 }
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74
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75 virtual void GetStatistics(uint64_t& scheduledCommands,
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76 uint64_t& processedCommands) ORTHANC_OVERRIDE
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77 {
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78 scheduledCommands = that_.scheduler_->GetTotalScheduled();
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79 processedCommands = that_.scheduler_->GetTotalProcessed();
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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 GenericLoadersContext::EmitMessage(boost::weak_ptr<IObserver> observer,
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85 const IMessage& message)
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86 {
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87 boost::recursive_mutex::scoped_lock lock(mutex_);
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88 //LOG(INFO) << " inside emit lock: " << message.GetIdentifier().AsString();
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89 oracleObservable_.EmitMessage(observer, message);
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90 //LOG(INFO) << " outside emit lock";
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91 }
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92
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93
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94 GenericLoadersContext::GenericLoadersContext(unsigned int maxHighPriority,
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95 unsigned int maxStandardPriority,
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96 unsigned int maxLowPriority)
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97 {
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98 oracle_.reset(new ThreadedOracle(*this));
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99 scheduler_ = OracleScheduler::Create(*oracle_, oracleObservable_, *this,
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100 maxHighPriority, maxStandardPriority, maxLowPriority);
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101
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102 if (!scheduler_)
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103 {
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104 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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105 }
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106 }
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107
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108
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109 GenericLoadersContext::~GenericLoadersContext()
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110 {
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111 LOG(INFO) << "scheduled commands: " << scheduler_->GetTotalScheduled()
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112 << ", processed commands: " << scheduler_->GetTotalProcessed();
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113 scheduler_.reset();
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114 //LOG(INFO) << "counter: " << scheduler_.use_count();
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115 }
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116
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117
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118 void GenericLoadersContext::SetOrthancParameters(const Orthanc::WebServiceParameters& parameters)
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119 {
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120 boost::recursive_mutex::scoped_lock lock(mutex_);
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121 oracle_->SetOrthancParameters(parameters);
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122 }
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123
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124
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125 void GenericLoadersContext::SetRootDirectory(const std::string& root)
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126 {
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127 boost::recursive_mutex::scoped_lock lock(mutex_);
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128 oracle_->SetRootDirectory(root);
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129 }
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130
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131
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132 void GenericLoadersContext::SetDicomCacheSize(size_t size)
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133 {
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134 boost::recursive_mutex::scoped_lock lock(mutex_);
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135 oracle_->SetDicomCacheSize(size);
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136 }
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137
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138
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139 void GenericLoadersContext::StartOracle()
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140 {
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141 boost::recursive_mutex::scoped_lock lock(mutex_);
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142 oracle_->Start();
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143 //LOG(INFO) << "STARTED ORACLE";
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144 }
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145
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146
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147 void GenericLoadersContext::StopOracle()
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148 {
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149 /**
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150 * DON'T lock "mutex_" here, otherwise Stone won't be able to
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151 * stop if one command being executed by the oracle has to emit
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152 * a message (method "EmitMessage()" would have to lock the
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153 * mutex too).
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154 **/
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155
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156 //LOG(INFO) << "STOPPING ORACLE";
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157 oracle_->Stop();
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158 //LOG(INFO) << "STOPPED ORACLE";
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159 }
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160
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161
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162 void GenericLoadersContext::WaitUntilComplete()
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163 {
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164 for (;;)
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165 {
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166 {
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167 boost::recursive_mutex::scoped_lock lock(mutex_);
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168 if (scheduler_ &&
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169 scheduler_->GetTotalScheduled() == scheduler_->GetTotalProcessed())
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170 {
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171 return;
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172 }
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173 }
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174
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175 boost::this_thread::sleep(boost::posix_time::milliseconds(100));
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176 }
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177 }
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178
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179 ILoadersContext::ILock* GenericLoadersContext::Lock()
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180 {
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181 return new Locker(*this);
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182 }
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183 }