Mercurial > hg > orthanc
view Core/DicomNetworking/TimeoutDicomConnectionManager.cpp @ 3917:04fb907dfc85 transcoding
NEWS: issue #169 was fixed by 8f7ad4989fec
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 11 May 2020 21:12:40 +0200 |
parents | ea1d32861cfc |
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) 2017-2020 Osimis S.A., 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/>. **/ #include "../PrecompiledHeaders.h" #include "TimeoutDicomConnectionManager.h" #include "../Logging.h" #include "../OrthancException.h" namespace Orthanc { static boost::posix_time::ptime GetNow() { return boost::posix_time::microsec_clock::universal_time(); } TimeoutDicomConnectionManager::Lock::Lock(TimeoutDicomConnectionManager& that, const std::string& localAet, const RemoteModalityParameters& remote) : that_(that), lock_(that_.mutex_) { // Calling "Touch()" will be done by the "~Lock()" destructor that_.OpenInternal(localAet, remote); } TimeoutDicomConnectionManager::Lock::~Lock() { that_.TouchInternal(); } DicomStoreUserConnection& TimeoutDicomConnectionManager::Lock::GetConnection() { if (that_.connection_.get() == NULL) { // The allocation should have been done by "that_.Open()" in the constructor throw OrthancException(ErrorCode_InternalError); } else { return *that_.connection_; } } // Mutex must be locked void TimeoutDicomConnectionManager::TouchInternal() { lastUse_ = GetNow(); } // Mutex must be locked void TimeoutDicomConnectionManager::OpenInternal(const std::string& localAet, const RemoteModalityParameters& remote) { DicomAssociationParameters other(localAet, remote); if (connection_.get() == NULL || !connection_->GetParameters().IsEqual(other)) { connection_.reset(new DicomStoreUserConnection(other)); } } // Mutex must be locked void TimeoutDicomConnectionManager::CloseInternal() { if (connection_.get() != NULL) { LOG(INFO) << "Closing inactive DICOM association with modality: " << connection_->GetParameters().GetRemoteModality().GetApplicationEntityTitle(); connection_.reset(NULL); } } void TimeoutDicomConnectionManager::SetInactivityTimeout(unsigned int milliseconds) { boost::mutex::scoped_lock lock(mutex_); timeout_ = boost::posix_time::milliseconds(milliseconds); CloseInternal(); } unsigned int TimeoutDicomConnectionManager::GetInactivityTimeout() { boost::mutex::scoped_lock lock(mutex_); return static_cast<unsigned int>(timeout_.total_milliseconds()); } void TimeoutDicomConnectionManager::CloseIfInactive() { boost::mutex::scoped_lock lock(mutex_); if (connection_.get() != NULL && (GetNow() - lastUse_) >= timeout_) { CloseInternal(); } } }