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author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 18 Oct 2024 15:44:18 +0200
parents 0683312e21ba
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium
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6 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium
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7020852a8fa9 updated year to 2024
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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8 *
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9 * This program is free software: you can redistribute it and/or
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10 * modify it under the terms of the GNU Affero General Public License
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11 * as published by the Free Software Foundation, either version 3 of
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12 * the License, or (at your option) any later version.
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13 *
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14 * This program is distributed in the hope that it will be useful, but
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15 * WITHOUT ANY WARRANTY; without even the implied warranty of
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16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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17 * Affero General Public License for more details.
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18 *
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19 * You should have received a copy of the GNU Affero General Public License
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20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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21 **/
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23
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24 #pragma once
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25
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26 #include "../Framework/Inputs/DicomPyramid.h"
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28 #include <Cache/LeastRecentlyUsedIndex.h>
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30 #include <boost/thread/mutex.hpp>
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31 #include <string>
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34 namespace OrthancWSI
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35 {
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36 class DicomPyramidCache : public boost::noncopyable
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37 {
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38 private:
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39 typedef Orthanc::LeastRecentlyUsedIndex<std::string, DicomPyramid*> Cache;
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41 std::unique_ptr<OrthancStone::IOrthancConnection> orthanc_;
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43 boost::mutex mutex_;
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44 size_t maxSize_;
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45 Cache cache_;
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46
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47 DicomPyramidCache(OrthancStone::IOrthancConnection* orthanc /* takes ownership */,
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48 size_t maxSize);
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50 DicomPyramid* GetCachedPyramid(const std::string& seriesId);
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52 DicomPyramid& GetPyramid(const std::string& seriesId,
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53 boost::mutex::scoped_lock& lock);
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55 public:
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56 ~DicomPyramidCache();
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57
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58 static void InitializeInstance(size_t maxSize);
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60 static void FinalizeInstance();
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62 static DicomPyramidCache& GetInstance();
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64 void Invalidate(const std::string& seriesId);
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66 class Locker : public boost::noncopyable
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67 {
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68 private:
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69 DicomPyramidCache& cache_;
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70 boost::mutex::scoped_lock lock_;
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71 DicomPyramid& pyramid_;
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73 public:
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74 explicit Locker(const std::string& seriesId);
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76 DicomPyramid& GetPyramid() const
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77 {
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78 return pyramid_;
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79 }
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80 };
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81 };
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82 }