Mercurial > hg > orthanc

annotate OrthancFramework/Sources/Cache/MemoryObjectCache.h @ 5485:48b8dae6dc77

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
upgrade to year 2024
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 04 Jan 2024 15:10:42 +0100
parents 0ea402b4d901
children f7adfb22e20e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
1 /**
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
2 * Orthanc - A Lightweight, RESTful DICOM Store
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
4 * Department, University Hospital of Liege, Belgium
5485
48b8dae6dc77 upgrade to year 2024
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5185
diff changeset
5 * Copyright (C) 2017-2024 Osimis S.A., Belgium
48b8dae6dc77 upgrade to year 2024
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5185
diff changeset
6 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
7 *
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
8 * This program is free software: you can redistribute it and/or
4119
bf7b9edf6b81 re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4063
diff changeset
9 * modify it under the terms of the GNU Lesser General Public License
bf7b9edf6b81 re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4063
diff changeset
10 * as published by the Free Software Foundation, either version 3 of
bf7b9edf6b81 re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4063
diff changeset
11 * the License, or (at your option) any later version.
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
12 *
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
13 * This program is distributed in the hope that it will be useful, but
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
4119
bf7b9edf6b81 re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4063
diff changeset
16 * Lesser General Public License for more details.
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
17 *
4119
bf7b9edf6b81 re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4063
diff changeset
18 * You should have received a copy of the GNU Lesser General Public
bf7b9edf6b81 re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4063
diff changeset
19 * License along with this program. If not, see
bf7b9edf6b81 re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4063
diff changeset
20 * <http://www.gnu.org/licenses/>.
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
21 **/
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
22
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
23
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
24 #pragma once
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
25
4063
e00f3d089991 shared library of orthanc framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4044
diff changeset
26 #include "../OrthancFramework.h"
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
27 #include "ICacheable.h"
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
28 #include "LeastRecentlyUsedIndex.h"
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
29
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
30 #if !defined(__EMSCRIPTEN__)
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
31 // Multithreading is not supported in WebAssembly
3559
fb759c9efd73 fix for windows
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3557
diff changeset
32 # include <boost/thread/mutex.hpp>
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
33 # include <boost/thread/shared_mutex.hpp>
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
34 #endif
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
35
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
36 #include <boost/date_time/posix_time/posix_time.hpp>
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
37
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
38
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
39 namespace Orthanc
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
40 {
4792
434843934307 Added a StorageCache in the StorageAccessor
Alain Mazy <am@osimis.io>
parents: 4457
diff changeset
41 /**
434843934307 Added a StorageCache in the StorageAccessor
Alain Mazy <am@osimis.io>
parents: 4457
diff changeset
42 * Note: this class is thread safe
434843934307 Added a StorageCache in the StorageAccessor
Alain Mazy <am@osimis.io>
parents: 4457
diff changeset
43 **/
4063
e00f3d089991 shared library of orthanc framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4044
diff changeset
44 class ORTHANC_PUBLIC MemoryObjectCache : public boost::noncopyable
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
45 {
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
46 private:
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
47 class Item;
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
48
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
49 #if !defined(__EMSCRIPTEN__)
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
50 typedef boost::unique_lock<boost::shared_mutex> WriterLock;
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
51 typedef boost::shared_lock<boost::shared_mutex> ReaderLock;
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
52
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
53 // This mutex protects modifications to the structure of the cache (monitor)
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
54 boost::mutex cacheMutex_;
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
55
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
56 // This mutex protects modifications to the items that are stored in the cache
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
57 boost::shared_mutex contentMutex_;
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
58 #endif
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
59
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
60 size_t currentSize_;
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
61 size_t maxSize_;
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
62 LeastRecentlyUsedIndex<std::string, Item*> content_;
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
63
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
64 void Recycle(size_t targetSize);
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
65
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
66 public:
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
67 MemoryObjectCache();
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
68
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
69 ~MemoryObjectCache();
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
70
4457
789676a8c96a Refactoring and improvements to the cache of DICOM files in ServerContext
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4456
diff changeset
71 size_t GetNumberOfItems(); // For unit tests only
789676a8c96a Refactoring and improvements to the cache of DICOM files in ServerContext
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4456
diff changeset
72
4456
3e4f7b7840f0 new class: ParsedDicomCache()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
73 size_t GetCurrentSize(); // For unit tests only
3e4f7b7840f0 new class: ParsedDicomCache()
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4437
diff changeset
74
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
75 size_t GetMaximumSize();
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
76
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
77 void SetMaximumSize(size_t size);
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
78
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
79 void Acquire(const std::string& key,
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
80 ICacheable* value);
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
81
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
82 void Invalidate(const std::string& key);
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
83
3563
4812825e69fc accessor to the cache can now require to be unique
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3559
diff changeset
84 class Accessor : public boost::noncopyable
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
85 {
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
86 private:
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
87 #if !defined(__EMSCRIPTEN__)
3563
4812825e69fc accessor to the cache can now require to be unique
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3559
diff changeset
88 ReaderLock readerLock_;
4812825e69fc accessor to the cache can now require to be unique
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3559
diff changeset
89 WriterLock writerLock_;
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
90 boost::mutex::scoped_lock cacheLock_;
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
91 #endif
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
92
3563
4812825e69fc accessor to the cache can now require to be unique
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3559
diff changeset
93 Item* item_;
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
94
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
95 public:
3563
4812825e69fc accessor to the cache can now require to be unique
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3559
diff changeset
96 Accessor(MemoryObjectCache& cache,
4812825e69fc accessor to the cache can now require to be unique
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3559
diff changeset
97 const std::string& key,
4812825e69fc accessor to the cache can now require to be unique
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3559
diff changeset
98 bool unique);
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
99
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
100 bool IsValid() const
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
101 {
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
102 return item_ != NULL;
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
103 }
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
104
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
105 ICacheable& GetValue() const;
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
106
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
107 const boost::posix_time::ptime& GetTime() const;
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
108 };
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
109 };
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
110 }