Mercurial > hg > orthanc
view OrthancFramework/Sources/DicomNetworking/TimeoutDicomConnectionManager.h @ 5877:ff0b54e8bc71
Fix deadlock when parsing specific invalid DICOM files
author | Alain Mazy <am@orthanc.team> |
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date | Thu, 21 Nov 2024 12:51:26 +0100 |
parents | f7adfb22e20e |
children |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2023 Osimis S.A., Belgium * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium * Copyright (C) 2021-2024 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 #if !defined(ORTHANC_ENABLE_DCMTK_NETWORKING) # error The macro ORTHANC_ENABLE_DCMTK_NETWORKING must be defined #endif #if ORTHANC_ENABLE_DCMTK_NETWORKING != 1 # error The macro ORTHANC_ENABLE_DCMTK_NETWORKING must be 1 to use this file #endif #include "../Compatibility.h" #include "DicomStoreUserConnection.h" #include <boost/date_time/posix_time/posix_time.hpp> #include <boost/thread/mutex.hpp> namespace Orthanc { /** * This class corresponds to a singleton to a DICOM SCU connection. **/ class TimeoutDicomConnectionManager : public boost::noncopyable { private: boost::mutex mutex_; std::unique_ptr<DicomStoreUserConnection> connection_; boost::posix_time::ptime lastUse_; boost::posix_time::time_duration timeout_; // Mutex must be locked void TouchInternal(); // Mutex must be locked void OpenInternal(const std::string& localAet, const RemoteModalityParameters& remote); // Mutex must be locked void CloseInternal(); public: class Lock : public boost::noncopyable { private: TimeoutDicomConnectionManager& that_; boost::mutex::scoped_lock lock_; public: Lock(TimeoutDicomConnectionManager& that, const std::string& localAet, const RemoteModalityParameters& remote); ~Lock(); DicomStoreUserConnection& GetConnection(); }; TimeoutDicomConnectionManager() : timeout_(boost::posix_time::milliseconds(1000)) { } void SetInactivityTimeout(unsigned int milliseconds); unsigned int GetInactivityTimeout(); // In milliseconds void Close(); void CloseIfInactive(); }; }