Mercurial > hg > orthanc-webviewer
comparison Plugin/Cache/CacheScheduler.h @ 0:02f7a0400a91
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 25 Feb 2015 13:45:35 +0100 |
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children | ecefd45026bf |
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-1:000000000000 | 0:02f7a0400a91 |
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1 /** | |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * | |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU Affero General Public License | |
8 * as published by the Free Software Foundation, either version 3 of | |
9 * the License, or (at your option) any later version. | |
10 * | |
11 * This program is distributed in the hope that it will be useful, but | |
12 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 * Affero General Public License for more details. | |
15 * | |
16 * You should have received a copy of the GNU Affero General Public License | |
17 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 **/ | |
19 | |
20 | |
21 #pragma once | |
22 | |
23 #include "CacheManager.h" | |
24 #include "ICacheFactory.h" | |
25 #include "IPrefetchPolicy.h" | |
26 #include "../../Orthanc/MultiThreading/SharedMessageQueue.h" | |
27 | |
28 #include <boost/thread.hpp> | |
29 #include <stdio.h> | |
30 | |
31 namespace OrthancPlugins | |
32 { | |
33 class CacheScheduler : public boost::noncopyable | |
34 { | |
35 private: | |
36 class Prefetcher; | |
37 class PrefetchQueue; | |
38 class BundleScheduler; | |
39 | |
40 typedef std::map<int, BundleScheduler*> BundleSchedulers; | |
41 | |
42 size_t maxPrefetchSize_; | |
43 | |
44 boost::mutex cacheMutex_; | |
45 boost::mutex factoryMutex_; | |
46 boost::recursive_mutex policyMutex_; | |
47 CacheManager& cache_; | |
48 std::auto_ptr<IPrefetchPolicy> policy_; | |
49 BundleSchedulers bundles_; | |
50 | |
51 void ApplyPrefetchPolicy(int bundle, | |
52 const std::string& item, | |
53 const std::string& content); | |
54 | |
55 BundleScheduler& GetBundleScheduler(unsigned int bundleIndex); | |
56 | |
57 public: | |
58 CacheScheduler(CacheManager& cache, | |
59 unsigned int maxPrefetchSize); | |
60 | |
61 ~CacheScheduler(); | |
62 | |
63 void Register(int bundle, | |
64 ICacheFactory* factory /* takes ownership */, | |
65 size_t numThreads); | |
66 | |
67 void RegisterPolicy(IPrefetchPolicy* policy /* takes ownership */); | |
68 | |
69 void Invalidate(int bundle, | |
70 const std::string& item); | |
71 | |
72 bool Access(std::string& content, | |
73 int bundle, | |
74 const std::string& item); | |
75 | |
76 void Prefetch(int bundle, | |
77 const std::string& item); | |
78 }; | |
79 } |