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annotate OrthancServer/DicomProtocol/ReusableDicomUserConnection.h @ 1453:c0bdc47165ef

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code to warn about possible threading problems
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 02 Jul 2015 12:26:44 +0200
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #pragma once
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34
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35 #include "DicomUserConnection.h"
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36 #include "../../Core/MultiThreading/Locker.h"
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37
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38 #include <boost/thread.hpp>
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39 #include <boost/date_time/posix_time/posix_time.hpp>
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40
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41 namespace Orthanc
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42 {
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43 class ReusableDicomUserConnection : public ILockable
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44 {
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45 private:
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46 boost::mutex mutex_;
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47 DicomUserConnection* connection_;
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48 bool continue_;
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49 boost::posix_time::time_duration timeBeforeClose_;
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50 boost::posix_time::ptime lastUse_;
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51 boost::thread closeThread_;
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52
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53 void Open(const std::string& localAet,
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54 const RemoteModalityParameters& remote);
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55
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56 void Close();
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57
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58 static void CloseThread(ReusableDicomUserConnection* that);
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59
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60 protected:
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61 virtual void Lock();
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62
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63 virtual void Unlock();
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64
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65 public:
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66 class Locker : public ::Orthanc::Locker
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67 {
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68 private:
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69 DicomUserConnection* connection_;
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70
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71 public:
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72 Locker(ReusableDicomUserConnection& 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 DicomUserConnection& GetConnection();
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77 };
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78
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79 ReusableDicomUserConnection();
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80
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81 virtual ~ReusableDicomUserConnection();
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82
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83 void SetMillisecondsBeforeClose(uint64_t ms);
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84
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85 void Finalize();
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86 };
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87 }
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