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comparison OrthancFramework/Sources/DicomNetworking/TimeoutDicomConnectionManager.h @ 4044:d25f4c0fa160 framework

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splitting code into OrthancFramework and OrthancServer
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 10 Jun 2020 20:30:34 +0200
parents Core/DicomNetworking/TimeoutDicomConnectionManager.h@9973d10bc5c4
children bf7b9edf6b81
comparison
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4043:6c6239aec462 4044:d25f4c0fa160
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
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 #pragma once
35
36 #if !defined(ORTHANC_ENABLE_DCMTK_NETWORKING)
37 # error The macro ORTHANC_ENABLE_DCMTK_NETWORKING must be defined
38 #endif
39
40 #if ORTHANC_ENABLE_DCMTK_NETWORKING != 1
41 # error The macro ORTHANC_ENABLE_DCMTK_NETWORKING must be 1 to use this file
42 #endif
43
44
45 #include "../Compatibility.h"
46 #include "DicomStoreUserConnection.h"
47
48 #include <boost/date_time/posix_time/posix_time.hpp>
49 #include <boost/thread/mutex.hpp>
50
51 namespace Orthanc
52 {
53 /**
54 * This class corresponds to a singleton to a DICOM SCU connection.
55 **/
56 class TimeoutDicomConnectionManager : public boost::noncopyable
57 {
58 private:
59 boost::mutex mutex_;
60 std::unique_ptr<DicomStoreUserConnection> connection_;
61 boost::posix_time::ptime lastUse_;
62 boost::posix_time::time_duration timeout_;
63
64 // Mutex must be locked
65 void TouchInternal();
66
67 // Mutex must be locked
68 void OpenInternal(const std::string& localAet,
69 const RemoteModalityParameters& remote);
70
71 // Mutex must be locked
72 void CloseInternal();
73
74 public:
75 class Lock : public boost::noncopyable
76 {
77 private:
78 TimeoutDicomConnectionManager& that_;
79 boost::mutex::scoped_lock lock_;
80
81 public:
82 Lock(TimeoutDicomConnectionManager& that,
83 const std::string& localAet,
84 const RemoteModalityParameters& remote);
85
86 ~Lock();
87
88 DicomStoreUserConnection& GetConnection();
89 };
90
91 TimeoutDicomConnectionManager() :
92 timeout_(boost::posix_time::milliseconds(1000))
93 {
94 }
95
96 void SetInactivityTimeout(unsigned int milliseconds);
97
98 unsigned int GetInactivityTimeout(); // In milliseconds
99
100 void Close();
101
102 void CloseIfInactive();
103 };
104 }