Mercurial > hg > orthanc
annotate Core/DicomNetworking/TimeoutDicomConnectionManager.cpp @ 3349:ef18ea68a362
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| author | Alain Mazy <alain@mazy.be> |
|---|---|
| date | Thu, 18 Apr 2019 15:52:56 +0200 |
| parents | 972cc98959a3 |
| children | 94f4a18a79cc |
| rev | line source |
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| 2603 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium |
| 2603 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU General Public License as | |
| 9 * published by the Free Software Foundation, either version 3 of the | |
| 10 * License, or (at your option) any later version. | |
| 11 * | |
| 12 * In addition, as a special exception, the copyright holders of this | |
| 13 * program give permission to link the code of its release with the | |
| 14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 15 * that use the same license as the "OpenSSL" library), and distribute | |
| 16 * the linked executables. You must obey the GNU General Public License | |
| 17 * in all respects for all of the code used other than "OpenSSL". If you | |
| 18 * modify file(s) with this exception, you may extend this exception to | |
| 19 * your version of the file(s), but you are not obligated to do so. If | |
| 20 * you do not wish to do so, delete this exception statement from your | |
| 21 * version. If you delete this exception statement from all source files | |
| 22 * in the program, then also delete it here. | |
| 23 * | |
| 24 * This program is distributed in the hope that it will be useful, but | |
| 25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 27 * General Public License for more details. | |
| 28 * | |
| 29 * You should have received a copy of the GNU General Public License | |
| 30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 31 **/ | |
| 32 | |
| 33 | |
| 34 #include "../PrecompiledHeaders.h" | |
| 35 #include "TimeoutDicomConnectionManager.h" | |
| 36 | |
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37 #include "../Logging.h" |
| 2603 | 38 #include "../OrthancException.h" |
| 39 | |
| 40 namespace Orthanc | |
| 41 { | |
| 42 static boost::posix_time::ptime GetNow() | |
| 43 { | |
| 44 return boost::posix_time::microsec_clock::universal_time(); | |
| 45 } | |
| 46 | |
| 47 class TimeoutDicomConnectionManager::Resource : public IDicomConnectionManager::IResource | |
| 48 { | |
| 49 private: | |
| 50 TimeoutDicomConnectionManager& that_; | |
| 51 | |
| 52 public: | |
| 53 Resource(TimeoutDicomConnectionManager& that) : | |
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54 that_(that) |
| 2603 | 55 { |
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56 if (that_.connection_.get() == NULL) |
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57 { |
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58 throw OrthancException(ErrorCode_InternalError); |
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59 } |
| 2603 | 60 } |
| 61 | |
| 62 ~Resource() | |
| 63 { | |
| 64 that_.Touch(); | |
| 65 } | |
| 66 | |
| 67 DicomUserConnection& GetConnection() | |
| 68 { | |
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69 assert(that_.connection_.get() != NULL); |
| 2603 | 70 return *that_.connection_; |
| 71 } | |
| 72 }; | |
| 73 | |
| 74 | |
| 75 void TimeoutDicomConnectionManager::Touch() | |
| 76 { | |
| 77 lastUse_ = GetNow(); | |
| 78 } | |
| 79 | |
| 80 | |
| 81 void TimeoutDicomConnectionManager::CheckTimeoutInternal() | |
| 82 { | |
| 83 if (connection_.get() != NULL && | |
| 84 (GetNow() - lastUse_) >= timeout_) | |
| 85 { | |
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86 Close(); |
| 2603 | 87 } |
| 88 } | |
| 89 | |
| 90 | |
| 91 void TimeoutDicomConnectionManager::SetTimeout(unsigned int timeout) | |
| 92 { | |
| 93 timeout_ = boost::posix_time::milliseconds(timeout); | |
| 94 CheckTimeoutInternal(); | |
| 95 } | |
| 96 | |
| 97 | |
| 98 unsigned int TimeoutDicomConnectionManager::GetTimeout() | |
| 99 { | |
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100 return static_cast<unsigned int>(timeout_.total_milliseconds()); |
| 2603 | 101 } |
| 102 | |
| 103 | |
| 104 void TimeoutDicomConnectionManager::Close() | |
| 105 { | |
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106 if (connection_.get() != NULL) |
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107 { |
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108 LOG(INFO) << "Closing inactive DICOM association with modality: " |
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109 << connection_->GetRemoteApplicationEntityTitle(); |
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110 |
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111 connection_.reset(NULL); |
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112 } |
| 2603 | 113 } |
| 114 | |
| 115 | |
| 116 void TimeoutDicomConnectionManager::CheckTimeout() | |
| 117 { | |
| 118 CheckTimeoutInternal(); | |
| 119 } | |
| 120 | |
| 121 | |
| 122 IDicomConnectionManager::IResource* | |
| 123 TimeoutDicomConnectionManager::AcquireConnection(const std::string& localAet, | |
| 124 const RemoteModalityParameters& remote) | |
| 125 { | |
| 126 if (connection_.get() == NULL || | |
| 127 !connection_->IsSameAssociation(localAet, remote)) | |
| 128 { | |
| 129 connection_.reset(new DicomUserConnection(localAet, remote)); | |
| 130 } | |
| 131 | |
| 132 return new Resource(*this); | |
| 133 } | |
| 134 } |