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annotate OrthancFramework/Sources/DicomNetworking/TimeoutDicomConnectionManager.cpp @ 4913:c1b19f95e166

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fix signature of OrthancPluginReceivedInstanceCallback for ABI compatibility
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 22 Feb 2022 22:12:43 +0100
parents 43e613a7756b
children 0ea402b4d901
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2022 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Lesser General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Lesser General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Lesser General Public
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19 * License along with this program. If not, see
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20 * <http://www.gnu.org/licenses/>.
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21 **/
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22
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24 #include "../PrecompiledHeaders.h"
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25 #include "TimeoutDicomConnectionManager.h"
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26
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27 #include "../Logging.h"
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28 #include "../OrthancException.h"
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29
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30 namespace Orthanc
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31 {
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32 static boost::posix_time::ptime GetNow()
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33 {
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34 return boost::posix_time::microsec_clock::universal_time();
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35 }
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36
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37
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38 TimeoutDicomConnectionManager::Lock::Lock(TimeoutDicomConnectionManager& that,
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39 const std::string& localAet,
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40 const RemoteModalityParameters& remote) :
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41 that_(that),
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42 lock_(that_.mutex_)
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43 {
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44 // Calling "Touch()" will be done by the "~Lock()" destructor
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45 that_.OpenInternal(localAet, remote);
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46 }
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48
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49 TimeoutDicomConnectionManager::Lock::~Lock()
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50 {
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51 that_.TouchInternal();
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52 }
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53
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54
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55 DicomStoreUserConnection& TimeoutDicomConnectionManager::Lock::GetConnection()
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56 {
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57 if (that_.connection_.get() == NULL)
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58 {
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59 // The allocation should have been done by "that_.Open()" in the constructor
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60 throw OrthancException(ErrorCode_InternalError);
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61 }
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62 else
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63 {
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64 return *that_.connection_;
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65 }
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66 }
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69 // Mutex must be locked
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70 void TimeoutDicomConnectionManager::TouchInternal()
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71 {
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72 lastUse_ = GetNow();
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73 }
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74
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75
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76 // Mutex must be locked
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77 void TimeoutDicomConnectionManager::OpenInternal(const std::string& localAet,
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78 const RemoteModalityParameters& remote)
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79 {
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80 DicomAssociationParameters other(localAet, remote);
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81
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82 if (connection_.get() == NULL ||
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83 !connection_->GetParameters().IsEqual(other))
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84 {
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85 connection_.reset(new DicomStoreUserConnection(other));
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86 }
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87 }
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90 // Mutex must be locked
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91 void TimeoutDicomConnectionManager::CloseInternal()
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92 {
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93 if (connection_.get() != NULL)
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94 {
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95 CLOG(INFO, DICOM) << "Closing inactive DICOM association with modality: "
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96 << connection_->GetParameters().GetRemoteModality().GetApplicationEntityTitle();
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97
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98 connection_.reset(NULL);
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99 }
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100 }
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101
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102
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103 void TimeoutDicomConnectionManager::SetInactivityTimeout(unsigned int milliseconds)
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104 {
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105 boost::mutex::scoped_lock lock(mutex_);
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106 timeout_ = boost::posix_time::milliseconds(milliseconds);
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107 CloseInternal();
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108 }
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109
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110
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111 unsigned int TimeoutDicomConnectionManager::GetInactivityTimeout()
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112 {
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113 boost::mutex::scoped_lock lock(mutex_);
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114 return static_cast<unsigned int>(timeout_.total_milliseconds());
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115 }
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116
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117
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118 void TimeoutDicomConnectionManager::CloseIfInactive()
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119 {
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120 boost::mutex::scoped_lock lock(mutex_);
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121
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122 if (connection_.get() != NULL &&
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123 (GetNow() - lastUse_) >= timeout_)
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124 {
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125 CloseInternal();
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126 }
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127 }
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128 }