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annotate OrthancFramework/Sources/DicomNetworking/TimeoutDicomConnectionManager.h @ 4786:10821a8abba1

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 31 Aug 2021 12:46:25 +0200
parents d9473bd5ed43
children 7053502fbf97
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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) 2017-2021 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Lesser General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Lesser General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Lesser General Public
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18 * License along with this program. If not, see
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19 * <http://www.gnu.org/licenses/>.
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20 **/
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21
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22
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23 #pragma once
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24
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25 #if !defined(ORTHANC_ENABLE_DCMTK_NETWORKING)
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26 # error The macro ORTHANC_ENABLE_DCMTK_NETWORKING must be defined
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27 #endif
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29 #if ORTHANC_ENABLE_DCMTK_NETWORKING != 1
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30 # error The macro ORTHANC_ENABLE_DCMTK_NETWORKING must be 1 to use this file
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31 #endif
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32
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33
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34 #include "../Compatibility.h"
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35 #include "DicomStoreUserConnection.h"
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36
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37 #include <boost/date_time/posix_time/posix_time.hpp>
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38 #include <boost/thread/mutex.hpp>
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39
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40 namespace Orthanc
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41 {
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42 /**
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43 * This class corresponds to a singleton to a DICOM SCU connection.
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44 **/
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45 class TimeoutDicomConnectionManager : public boost::noncopyable
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46 {
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47 private:
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48 boost::mutex mutex_;
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49 std::unique_ptr<DicomStoreUserConnection> connection_;
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50 boost::posix_time::ptime lastUse_;
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51 boost::posix_time::time_duration timeout_;
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52
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53 // Mutex must be locked
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54 void TouchInternal();
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55
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56 // Mutex must be locked
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57 void OpenInternal(const std::string& localAet,
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58 const RemoteModalityParameters& remote);
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59
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60 // Mutex must be locked
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61 void CloseInternal();
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62
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63 public:
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64 class Lock : public boost::noncopyable
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65 {
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66 private:
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67 TimeoutDicomConnectionManager& that_;
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68 boost::mutex::scoped_lock lock_;
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69
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70 public:
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71 Lock(TimeoutDicomConnectionManager& that,
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72 const std::string& localAet,
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73 const RemoteModalityParameters& remote);
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74
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75 ~Lock();
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76
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77 DicomStoreUserConnection& GetConnection();
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78 };
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79
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80 TimeoutDicomConnectionManager() :
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81 timeout_(boost::posix_time::milliseconds(1000))
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82 {
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83 }
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84
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85 void SetInactivityTimeout(unsigned int milliseconds);
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86
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87 unsigned int GetInactivityTimeout(); // In milliseconds
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88
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89 void Close();
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90
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91 void CloseIfInactive();
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92 };
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93 }