Mercurial > hg > orthanc

annotate OrthancFramework/Sources/Cache/MemoryCache.h @ 5649:4a2bfda999c6

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
todo
author Alain Mazy <am@orthanc.team>
date Mon, 03 Jun 2024 14:30:30 +0200
parents f7adfb22e20e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
284
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
1 /**
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
2 * Orthanc - A Lightweight, RESTful DICOM Store
1900
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1288
diff changeset
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
1288
6e7e5ed91c2d upgrade to year 2015
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 689
diff changeset
4 * Department, University Hospital of Liege, Belgium
5640
f7adfb22e20e updated copyright, as Orthanc Team now replaces Osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5485
diff changeset
5 * Copyright (C) 2017-2023 Osimis S.A., Belgium
f7adfb22e20e updated copyright, as Orthanc Team now replaces Osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5485
diff changeset
6 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium
5485
48b8dae6dc77 upgrade to year 2024
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 5185
diff changeset
7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
284
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
8 *
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
9 * 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
10 * 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
11 * 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
12 * the License, or (at your option) any later version.
284
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
13 *
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
14 * This program is distributed in the hope that it will be useful, but
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
16 * 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
17 * Lesser General Public License for more details.
284
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
18 *
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
19 * 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
20 * 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
21 * <http://www.gnu.org/licenses/>.
284
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
22 **/
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
23
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
24
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
25 #pragma once
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
26
3712
2a170a8f1faf replacing std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3640
diff changeset
27 #include "../Compatibility.h"
2a170a8f1faf replacing std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3640
diff changeset
28 #include "ICachePageProvider.h"
505
f59e4518fd57 rename CacheIndex as LeastRecentlyUsedIndex
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 398
diff changeset
29 #include "LeastRecentlyUsedIndex.h"
3712
2a170a8f1faf replacing std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3640
diff changeset
30
2a170a8f1faf replacing std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3640
diff changeset
31 #include <memory>
284
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
32
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
33 namespace Orthanc
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
34 {
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
35 namespace Deprecated
284
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
36 {
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
37 /**
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
38 * WARNING: This class is NOT thread-safe.
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
39 **/
4063
e00f3d089991 shared library of orthanc framework
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 4044
diff changeset
40 class ORTHANC_PUBLIC MemoryCache : public boost::noncopyable
284
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
41 {
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
42 private:
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
43 struct Page
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
44 {
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
45 std::string id_;
3712
2a170a8f1faf replacing std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3640
diff changeset
46 std::unique_ptr<IDynamicObject> content_;
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
47 };
284
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
48
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
49 ICachePageProvider& provider_;
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
50 size_t cacheSize_;
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
51 LeastRecentlyUsedIndex<std::string, Page*> index_;
284
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
52
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
53 Page& Load(const std::string& id);
284
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
54
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
55 public:
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
56 MemoryCache(ICachePageProvider& provider,
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
57 size_t cacheSize);
284
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
58
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
59 ~MemoryCache();
284
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
60
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
61 IDynamicObject& Access(const std::string& id);
2507
99116ed6f38c invalidate DicomCache when deleting instance
amazy
parents: 2447
diff changeset
62
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
63 void Invalidate(const std::string& id);
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
64 };
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3060
diff changeset
65 }
284
06aa7b7b6723 implementation of a single-threaded cache mechanism
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
66 }