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annotate OrthancFramework/Sources/DicomNetworking/TimeoutDicomConnectionManager.h @ 4981:d0c34145320c

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 25 Apr 2022 17:32:58 +0200
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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23
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24 #pragma once
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25
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26 #if !defined(ORTHANC_ENABLE_DCMTK_NETWORKING)
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27 # error The macro ORTHANC_ENABLE_DCMTK_NETWORKING must be defined
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28 #endif
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30 #if ORTHANC_ENABLE_DCMTK_NETWORKING != 1
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31 # error The macro ORTHANC_ENABLE_DCMTK_NETWORKING must be 1 to use this file
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32 #endif
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33
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34
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35 #include "../Compatibility.h"
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36 #include "DicomStoreUserConnection.h"
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37
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38 #include <boost/date_time/posix_time/posix_time.hpp>
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39 #include <boost/thread/mutex.hpp>
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40
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41 namespace Orthanc
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42 {
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43 /**
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44 * This class corresponds to a singleton to a DICOM SCU connection.
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45 **/
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46 class TimeoutDicomConnectionManager : public boost::noncopyable
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47 {
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48 private:
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49 boost::mutex mutex_;
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50 std::unique_ptr<DicomStoreUserConnection> connection_;
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51 boost::posix_time::ptime lastUse_;
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52 boost::posix_time::time_duration timeout_;
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53
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54 // Mutex must be locked
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55 void TouchInternal();
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56
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57 // Mutex must be locked
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58 void OpenInternal(const std::string& localAet,
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59 const RemoteModalityParameters& remote);
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60
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61 // Mutex must be locked
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62 void CloseInternal();
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63
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64 public:
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65 class Lock : public boost::noncopyable
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66 {
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67 private:
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68 TimeoutDicomConnectionManager& that_;
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69 boost::mutex::scoped_lock lock_;
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70
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71 public:
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72 Lock(TimeoutDicomConnectionManager& that,
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73 const std::string& localAet,
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74 const RemoteModalityParameters& remote);
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75
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76 ~Lock();
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77
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78 DicomStoreUserConnection& GetConnection();
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79 };
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80
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81 TimeoutDicomConnectionManager() :
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82 timeout_(boost::posix_time::milliseconds(1000))
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83 {
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84 }
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86 void SetInactivityTimeout(unsigned int milliseconds);
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87
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88 unsigned int GetInactivityTimeout(); // In milliseconds
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89
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90 void Close();
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91
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92 void CloseIfInactive();
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93 };
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94 }