130 lines
3.6 KiB
C++
130 lines
3.6 KiB
C++
/**
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* Orthanc - A Lightweight, RESTful DICOM Store
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* Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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* Department, University Hospital of Liege, Belgium
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* Copyright (C) 2017-2023 Osimis S.A., Belgium
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* Copyright (C) 2024-2025 Orthanc Team SRL, Belgium
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* Copyright (C) 2021-2025 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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*
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* This program is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program. If not, see
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* <http://www.gnu.org/licenses/>.
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**/
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#include "../PrecompiledHeaders.h"
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#include "TimeoutDicomConnectionManager.h"
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#include "../Logging.h"
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#include "../OrthancException.h"
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namespace Orthanc
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{
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static boost::posix_time::ptime GetNow()
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{
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return boost::posix_time::microsec_clock::universal_time();
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}
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TimeoutDicomConnectionManager::Lock::Lock(TimeoutDicomConnectionManager& that,
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const std::string& localAet,
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const RemoteModalityParameters& remote) :
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that_(that),
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lock_(that_.mutex_)
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{
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// Calling "Touch()" will be done by the "~Lock()" destructor
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that_.OpenInternal(localAet, remote);
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}
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TimeoutDicomConnectionManager::Lock::~Lock()
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{
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that_.TouchInternal();
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}
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DicomStoreUserConnection& TimeoutDicomConnectionManager::Lock::GetConnection()
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{
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if (that_.connection_.get() == NULL)
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{
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// The allocation should have been done by "that_.Open()" in the constructor
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throw OrthancException(ErrorCode_InternalError);
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}
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else
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{
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return *that_.connection_;
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}
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}
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// Mutex must be locked
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void TimeoutDicomConnectionManager::TouchInternal()
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{
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lastUse_ = GetNow();
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}
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// Mutex must be locked
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void TimeoutDicomConnectionManager::OpenInternal(const std::string& localAet,
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const RemoteModalityParameters& remote)
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{
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DicomAssociationParameters other(localAet, remote);
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if (connection_.get() == NULL ||
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!connection_->GetParameters().IsEqual(other))
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{
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connection_.reset(new DicomStoreUserConnection(other));
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}
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}
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// Mutex must be locked
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void TimeoutDicomConnectionManager::CloseInternal()
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{
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if (connection_.get() != NULL)
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{
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CLOG(INFO, DICOM) << "Closing inactive DICOM association with modality: "
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<< connection_->GetParameters().GetRemoteModality().GetApplicationEntityTitle();
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connection_.reset(NULL);
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}
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}
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void TimeoutDicomConnectionManager::SetInactivityTimeout(unsigned int milliseconds)
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{
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boost::mutex::scoped_lock lock(mutex_);
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timeout_ = boost::posix_time::milliseconds(milliseconds);
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CloseInternal();
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}
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unsigned int TimeoutDicomConnectionManager::GetInactivityTimeout()
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{
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boost::mutex::scoped_lock lock(mutex_);
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return static_cast<unsigned int>(timeout_.total_milliseconds());
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}
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void TimeoutDicomConnectionManager::CloseIfInactive()
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{
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boost::mutex::scoped_lock lock(mutex_);
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if (connection_.get() != NULL &&
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(GetNow() - lastUse_) >= timeout_)
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{
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CloseInternal();
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}
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}
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}
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