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1 /**
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2 * Advanced authorization plugin for Orthanc
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68
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3 * Copyright (C) 2017-2023 Osimis S.A., Belgium
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1
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4 *
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5 * This program is free software: you can redistribute it and/or
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6 * modify it under the terms of the GNU Affero General Public License
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7 * as published by the Free Software Foundation, either version 3 of
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8 * the License, or (at your option) any later version.
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9 *
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10 * This program is distributed in the hope that it will be useful, but
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11 * WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 * Affero General Public License for more details.
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14 *
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15 * You should have received a copy of the GNU Affero General Public License
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16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 **/
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18
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19 #pragma once
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20
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21 #include "ICacheFactory.h"
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32
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22
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23 #include <Cache/LeastRecentlyUsedIndex.h>
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1
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24
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25 #include <boost/thread/mutex.hpp>
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26
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27 namespace OrthancPlugins
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28 {
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29 class MemoryCache : public ICache
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30 {
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31 public:
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32 class Factory : public ICacheFactory
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33 {
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34 private:
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35 unsigned int maxSize_;
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36
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37 public:
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43
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38 explicit Factory(unsigned int maxSize) :
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39 maxSize_(maxSize)
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40 {
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41 }
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42
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43
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43 virtual ICache *Create() ORTHANC_OVERRIDE
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44 {
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45 return new MemoryCache(maxSize_);
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46 }
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47 };
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48
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49 private:
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50 class Payload;
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51
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52 typedef Orthanc::LeastRecentlyUsedIndex<std::string, Payload*> Index;
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53
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54 boost::mutex mutex_;
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55 unsigned int maxSize_;
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56 Index index_;
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57
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58 void RemoveOldest();
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59
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60 void InvalidateInternal(const std::string& key);
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61
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62 public:
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43
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63 explicit MemoryCache(unsigned int maxSize);
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1
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64
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65 ~MemoryCache();
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66
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67 virtual void Invalidate(const std::string& key) ORTHANC_OVERRIDE;
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1
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68
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69 virtual void Store(const std::string& key,
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70 const std::string& value,
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71 unsigned int expiration /* in seconds */) ORTHANC_OVERRIDE;
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72
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73 virtual bool Retrieve(std::string& value,
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74 const std::string& key) ORTHANC_OVERRIDE;
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75 };
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76 }
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