Mercurial > hg > orthanc-webviewer
diff Plugin/Cache/CacheScheduler.h @ 0:02f7a0400a91
initial commit
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 25 Feb 2015 13:45:35 +0100 |
parents | |
children | ecefd45026bf |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Plugin/Cache/CacheScheduler.h Wed Feb 25 13:45:35 2015 +0100 @@ -0,0 +1,79 @@ +/** + * Orthanc - A Lightweight, RESTful DICOM Store + * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics + * Department, University Hospital of Liege, 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 "CacheManager.h" +#include "ICacheFactory.h" +#include "IPrefetchPolicy.h" +#include "../../Orthanc/MultiThreading/SharedMessageQueue.h" + +#include <boost/thread.hpp> +#include <stdio.h> + +namespace OrthancPlugins +{ + class CacheScheduler : public boost::noncopyable + { + private: + class Prefetcher; + class PrefetchQueue; + class BundleScheduler; + + typedef std::map<int, BundleScheduler*> BundleSchedulers; + + size_t maxPrefetchSize_; + + boost::mutex cacheMutex_; + boost::mutex factoryMutex_; + boost::recursive_mutex policyMutex_; + CacheManager& cache_; + std::auto_ptr<IPrefetchPolicy> policy_; + BundleSchedulers bundles_; + + void ApplyPrefetchPolicy(int bundle, + const std::string& item, + const std::string& content); + + BundleScheduler& GetBundleScheduler(unsigned int bundleIndex); + + public: + CacheScheduler(CacheManager& cache, + unsigned int maxPrefetchSize); + + ~CacheScheduler(); + + void Register(int bundle, + ICacheFactory* factory /* takes ownership */, + size_t numThreads); + + void RegisterPolicy(IPrefetchPolicy* policy /* takes ownership */); + + void Invalidate(int bundle, + const std::string& item); + + bool Access(std::string& content, + int bundle, + const std::string& item); + + void Prefetch(int bundle, + const std::string& item); + }; +}