Mercurial > hg > orthanc-stone
view OrthancStone/Sources/Loaders/GenericLoadersContext.cpp @ 1967:b180233143ae
Added vertical slider showing position of the current frame inside the series
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 28 Oct 2022 10:38:30 +0200 |
parents | 7053b8a0aaec |
children | 07964689cb0b |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2022 Osimis S.A., Belgium * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program. If not, see * <http://www.gnu.org/licenses/>. **/ #include "GenericLoadersContext.h" namespace OrthancStone { class GenericLoadersContext::Locker : public ILoadersContext::ILock { private: GenericLoadersContext& that_; boost::recursive_mutex::scoped_lock lock_; public: explicit Locker(GenericLoadersContext& that) : that_(that), lock_(that.mutex_) { if (!that_.scheduler_) { throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); } } virtual ILoadersContext& GetContext() const ORTHANC_OVERRIDE { return that_; }; virtual void AddLoader(boost::shared_ptr<IObserver> loader) ORTHANC_OVERRIDE { that_.loaders_.push_back(loader); } virtual IObservable& GetOracleObservable() const ORTHANC_OVERRIDE { return that_.oracleObservable_; } virtual void Schedule(boost::shared_ptr<IObserver> receiver, int priority, IOracleCommand* command /* Takes ownership */) ORTHANC_OVERRIDE { that_.scheduler_->Schedule(receiver, priority, command); }; virtual void CancelRequests(boost::shared_ptr<IObserver> receiver) ORTHANC_OVERRIDE { that_.scheduler_->CancelRequests(receiver); } virtual void CancelAllRequests() ORTHANC_OVERRIDE { that_.scheduler_->CancelAllRequests(); } virtual void GetStatistics(uint64_t& scheduledCommands, uint64_t& processedCommands) ORTHANC_OVERRIDE { scheduledCommands = that_.scheduler_->GetTotalScheduled(); processedCommands = that_.scheduler_->GetTotalProcessed(); } }; void GenericLoadersContext::EmitMessage(boost::weak_ptr<IObserver> observer, const IMessage& message) { boost::recursive_mutex::scoped_lock lock(mutex_); //LOG(INFO) << " inside emit lock: " << message.GetIdentifier().AsString(); oracleObservable_.EmitMessage(observer, message); //LOG(INFO) << " outside emit lock"; } GenericLoadersContext::GenericLoadersContext(unsigned int maxHighPriority, unsigned int maxStandardPriority, unsigned int maxLowPriority) { oracle_.reset(new ThreadedOracle(*this)); scheduler_ = OracleScheduler::Create(*oracle_, oracleObservable_, *this, maxHighPriority, maxStandardPriority, maxLowPriority); if (!scheduler_) { throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); } } GenericLoadersContext::~GenericLoadersContext() { LOG(INFO) << "scheduled commands: " << scheduler_->GetTotalScheduled() << ", processed commands: " << scheduler_->GetTotalProcessed(); scheduler_.reset(); //LOG(INFO) << "counter: " << scheduler_.use_count(); } void GenericLoadersContext::SetOrthancParameters(const Orthanc::WebServiceParameters& parameters) { boost::recursive_mutex::scoped_lock lock(mutex_); oracle_->SetOrthancParameters(parameters); } void GenericLoadersContext::SetRootDirectory(const std::string& root) { boost::recursive_mutex::scoped_lock lock(mutex_); oracle_->SetRootDirectory(root); } void GenericLoadersContext::SetDicomCacheSize(size_t size) { boost::recursive_mutex::scoped_lock lock(mutex_); oracle_->SetDicomCacheSize(size); } void GenericLoadersContext::StartOracle() { boost::recursive_mutex::scoped_lock lock(mutex_); oracle_->Start(); //LOG(INFO) << "STARTED ORACLE"; } void GenericLoadersContext::StopOracle() { /** * DON'T lock "mutex_" here, otherwise Stone won't be able to * stop if one command being executed by the oracle has to emit * a message (method "EmitMessage()" would have to lock the * mutex too). **/ //LOG(INFO) << "STOPPING ORACLE"; oracle_->Stop(); //LOG(INFO) << "STOPPED ORACLE"; } void GenericLoadersContext::WaitUntilComplete() { for (;;) { { boost::recursive_mutex::scoped_lock lock(mutex_); if (scheduler_ && scheduler_->GetTotalScheduled() == scheduler_->GetTotalProcessed()) { return; } } boost::this_thread::sleep(boost::posix_time::milliseconds(100)); } } ILoadersContext::ILock* GenericLoadersContext::Lock() { return new Locker(*this); } }