Mercurial > hg > orthanc
view Core/MultiThreading/ThreadedCommandProcessor.h @ 1261:ef74281b2ffa
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 08 Jan 2015 15:45:20 +0100 |
parents | 2d0a347e8cfc |
children | 6e7e5ed91c2d |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, * Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * In addition, as a special exception, the copyright holders of this * program give permission to link the code of its release with the * OpenSSL project's "OpenSSL" library (or with modified versions of it * that use the same license as the "OpenSSL" library), and distribute * the linked executables. You must obey the GNU General Public License * in all respects for all of the code used other than "OpenSSL". If you * modify file(s) with this exception, you may extend this exception to * your version of the file(s), but you are not obligated to do so. If * you do not wish to do so, delete this exception statement from your * version. If you delete this exception statement from all source files * in the program, then also delete it here. * * 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 * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #pragma once #include "../ICommand.h" #include "SharedMessageQueue.h" namespace Orthanc { class ThreadedCommandProcessor { public: class IListener { public: virtual ~IListener() { } virtual void SignalProgress(unsigned int current, unsigned int total) = 0; virtual void SignalSuccess(unsigned int total) = 0; virtual void SignalFailure() = 0; virtual void SignalCancel() = 0; }; private: SharedMessageQueue queue_; bool done_; bool cancel_; std::vector<boost::thread*> threads_; IListener* listener_; boost::mutex mutex_; bool success_; unsigned int remainingCommands_, totalCommands_; boost::condition_variable processedCommand_; static void Processor(ThreadedCommandProcessor* that); public: ThreadedCommandProcessor(unsigned int numThreads); ~ThreadedCommandProcessor(); // This takes the ownership of the command void Post(ICommand* command); bool Join(); void Cancel(); void SetListener(IListener& listener); IListener& GetListener() const { return *listener_; } }; }