Mercurial > hg > orthanc-stone
annotate Framework/Loaders/GenericLoadersContext.cpp @ 1242:b9b5d4378874 broker
working of WebAssemblyOracle
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 06 Jan 2020 18:08:05 +0100 |
parents | c471a0aa137b |
children | af35ec39ebec |
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) 2017-2019 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 } |
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38 |
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39 virtual ILoadersContext& GetContext() const ORTHANC_OVERRIDE |
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40 { |
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41 return that_; |
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42 }; |
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43 |
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44 virtual void AddLoader(boost::shared_ptr<IObserver> loader) ORTHANC_OVERRIDE |
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45 { |
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46 that_.loaders_.push_back(loader); |
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47 } |
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48 |
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49 virtual IObservable& GetOracleObservable() const ORTHANC_OVERRIDE |
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50 { |
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51 return that_.oracleObservable_; |
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52 } |
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53 |
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54 virtual void Schedule(boost::shared_ptr<IObserver> receiver, |
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55 int priority, |
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56 IOracleCommand* command /* Takes ownership */) ORTHANC_OVERRIDE |
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57 { |
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58 that_.scheduler_->Schedule(receiver, priority, command); |
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59 }; |
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60 |
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61 virtual void CancelRequests(boost::shared_ptr<IObserver> receiver) ORTHANC_OVERRIDE |
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62 { |
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63 that_.scheduler_->CancelRequests(receiver); |
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64 } |
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65 |
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66 virtual void CancelAllRequests() ORTHANC_OVERRIDE |
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67 { |
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68 that_.scheduler_->CancelAllRequests(); |
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69 } |
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70 }; |
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71 |
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72 |
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73 void GenericLoadersContext::EmitMessage(boost::weak_ptr<IObserver> observer, |
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74 const IMessage& message) |
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75 { |
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76 boost::recursive_mutex::scoped_lock lock(mutex_); |
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77 //LOG(INFO) << " inside emit lock: " << message.GetIdentifier().AsString(); |
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78 oracleObservable_.EmitMessage(observer, message); |
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79 //LOG(INFO) << " outside emit lock"; |
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80 } |
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81 |
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82 |
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83 GenericLoadersContext::GenericLoadersContext(unsigned int maxHighPriority, |
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84 unsigned int maxStandardPriority, |
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85 unsigned int maxLowPriority) |
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86 { |
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87 oracle_.reset(new ThreadedOracle(*this)); |
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88 scheduler_ = OracleScheduler::Create(*oracle_, oracleObservable_, *this, |
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89 maxHighPriority, maxStandardPriority, maxLowPriority); |
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90 } |
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91 |
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92 |
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93 GenericLoadersContext::~GenericLoadersContext() |
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94 { |
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95 LOG(WARNING) << "scheduled commands: " << scheduler_->GetTotalScheduled() |
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96 << ", processed commands: " << scheduler_->GetTotalProcessed(); |
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97 scheduler_.reset(); |
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98 //LOG(INFO) << "counter: " << scheduler_.use_count(); |
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99 } |
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100 |
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101 |
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102 void GenericLoadersContext::SetOrthancParameters(const Orthanc::WebServiceParameters& parameters) |
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103 { |
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104 boost::recursive_mutex::scoped_lock lock(mutex_); |
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105 oracle_->SetOrthancParameters(parameters); |
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106 } |
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107 |
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108 |
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109 void GenericLoadersContext::SetRootDirectory(const std::string& root) |
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110 { |
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111 boost::recursive_mutex::scoped_lock lock(mutex_); |
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112 oracle_->SetRootDirectory(root); |
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113 } |
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114 |
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115 |
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116 void GenericLoadersContext::SetDicomCacheSize(size_t size) |
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117 { |
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118 boost::recursive_mutex::scoped_lock lock(mutex_); |
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119 oracle_->SetDicomCacheSize(size); |
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120 } |
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121 |
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122 |
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123 void GenericLoadersContext::StartOracle() |
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124 { |
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125 boost::recursive_mutex::scoped_lock lock(mutex_); |
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126 oracle_->Start(); |
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127 //LOG(INFO) << "STARTED ORACLE"; |
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128 } |
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129 |
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130 |
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131 void GenericLoadersContext::StopOracle() |
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132 { |
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133 /** |
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134 * DON'T lock "mutex_" here, otherwise Stone won't be able to |
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135 * stop if one command being executed by the oracle has to emit |
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136 * a message (method "EmitMessage()" would have to lock the |
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137 * mutex too). |
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138 **/ |
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139 |
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140 //LOG(INFO) << "STOPPING ORACLE"; |
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141 oracle_->Stop(); |
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142 //LOG(INFO) << "STOPPED ORACLE"; |
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143 } |
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144 |
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145 |
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146 void GenericLoadersContext::WaitUntilComplete() |
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147 { |
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148 for (;;) |
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149 { |
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150 { |
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151 boost::recursive_mutex::scoped_lock lock(mutex_); |
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152 if (scheduler_ && |
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153 scheduler_->GetTotalScheduled() == scheduler_->GetTotalProcessed()) |
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154 { |
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155 return; |
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156 } |
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157 } |
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158 |
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159 boost::this_thread::sleep(boost::posix_time::milliseconds(100)); |
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160 } |
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161 } |
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162 |
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163 |
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164 ILoadersContext::ILock* GenericLoadersContext::Lock() |
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165 { |
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166 return new Locker(*this); |
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167 } |
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168 |
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169 |
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170 void GenericLoadersContext::GetStatistics(uint64_t& scheduledCommands, |
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171 uint64_t& processedCommands) |
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172 { |
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173 boost::recursive_mutex::scoped_lock lock(mutex_); |
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174 |
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175 if (scheduler_) |
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176 { |
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177 scheduledCommands = scheduler_->GetTotalScheduled(); |
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178 processedCommands = scheduler_->GetTotalProcessed(); |
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179 } |
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180 else |
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181 { |
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182 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
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183 } |
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184 } |
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185 } |