Mercurial > hg > orthanc
view OrthancFramework/Resources/Graveyard/Multithreading/BagOfTasksProcessor.h @ 5161:b6dc4606ab04
release notes for 1.11.3
author | Alain Mazy <am@osimis.io> |
---|---|
date | Fri, 03 Feb 2023 14:24:43 +0100 |
parents | 43e613a7756b |
children | 0ea402b4d901 |
line wrap: on
line source
/** * Orthanc - A Lightweight, RESTful DICOM Store * 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/>. **/ #pragma once #include "BagOfTasks.h" #include "SharedMessageQueue.h" #include <stdint.h> #include <map> namespace Orthanc { class BagOfTasksProcessor : public boost::noncopyable { private: enum BagStatus { BagStatus_Running, BagStatus_Canceled, BagStatus_Failed }; struct Bag { size_t size_; size_t done_; BagStatus status_; Bag() : size_(0), done_(0), status_(BagStatus_Failed) { } explicit Bag(size_t size) : size_(size), done_(0), status_(BagStatus_Running) { } }; class Task; typedef std::map<uint64_t, Bag> Bags; typedef std::map<uint64_t, bool> ExitStatus; SharedMessageQueue queue_; boost::mutex mutex_; uint64_t countBags_; Bags bags_; std::vector<boost::thread*> threads_; ExitStatus exitStatus_; bool continue_; boost::condition_variable bagFinished_; static void Worker(BagOfTasksProcessor* that); void Cancel(int64_t bag); bool Join(int64_t bag); float GetProgress(int64_t bag); void SignalProgress(Task& task, Bag& bag); public: class Handle : public boost::noncopyable { friend class BagOfTasksProcessor; private: BagOfTasksProcessor& that_; uint64_t bag_; bool hasJoined_; bool status_; Handle(BagOfTasksProcessor& that, uint64_t bag, bool empty) : that_(that), bag_(bag), hasJoined_(empty) { } public: ~Handle() { Join(); } void Cancel() { that_.Cancel(bag_); } bool Join(); float GetProgress() { return that_.GetProgress(bag_); } }; explicit BagOfTasksProcessor(size_t countThreads); ~BagOfTasksProcessor(); Handle* Submit(BagOfTasks& tasks); }; }