Mercurial > hg > orthanc-stone
diff Framework/Loaders/GenericLoadersContext.h @ 1228:c471a0aa137b broker
adding the next generation of loaders
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 09 Dec 2019 13:58:37 +0100 |
parents | |
children | b9b5d4378874 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Framework/Loaders/GenericLoadersContext.h Mon Dec 09 13:58:37 2019 +0100 @@ -0,0 +1,85 @@ +/** + * Stone of Orthanc + * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, Belgium + * Copyright (C) 2017-2019 Osimis S.A., Belgium + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of the GNU Affero 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 + * Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + **/ + + +#pragma once + +#include "../Messages/IMessageEmitter.h" +#include "../Oracle/ThreadedOracle.h" +#include "DicomSource.h" +#include "ILoaderFactory.h" +#include "OracleScheduler.h" + +#include <Core/HttpClient.h> +#include <Core/Toolbox.h> + +#include <boost/thread/recursive_mutex.hpp> + +namespace OrthancStone +{ + class GenericLoadersContext : + public ILoadersContext, + private IMessageEmitter + { + private: + class Locker; + + // "Recursive mutex" is necessary, to be able to run + // "ILoaderFactory" from a message handler triggered by + // "EmitMessage()" + boost::recursive_mutex mutex_; + + IObservable oracleObservable_; + std::auto_ptr<ThreadedOracle> oracle_; + boost::shared_ptr<OracleScheduler> scheduler_; + + // Necessary to keep the loaders persistent (including global + // function promises), after the function that created them is + // left. This avoids creating one global variable for each loader. + std::list< boost::shared_ptr<IObserver> > loaders_; + + virtual void EmitMessage(boost::weak_ptr<IObserver> observer, + const IMessage& message); + + public: + GenericLoadersContext(unsigned int maxHighPriority, + unsigned int maxStandardPriority, + unsigned int maxLowPriority); + + virtual ~GenericLoadersContext(); + + virtual ILock* Lock() ORTHANC_OVERRIDE; + + virtual void GetStatistics(uint64_t& scheduledCommands, + uint64_t& processedCommands) ORTHANC_OVERRIDE; + + void SetOrthancParameters(const Orthanc::WebServiceParameters& parameters); + + void SetRootDirectory(const std::string& root); + + void SetDicomCacheSize(size_t size); + + void StartOracle(); + + void StopOracle(); + + void WaitUntilComplete(); + }; +}