annotate OrthancFramework/Sources/FileStorage/MemoryStorageArea.cpp @ 4119:bf7b9edf6b81 framework-lgpl

re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 07 Jul 2020 19:17:56 +0200
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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) 2017-2020 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Lesser General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Lesser General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Lesser General Public
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18 * License along with this program. If not, see
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19 * <http://www.gnu.org/licenses/>.
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20 **/
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21
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22
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23 #include "../PrecompiledHeaders.h"
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24 #include "MemoryStorageArea.h"
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25
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26 #include "../OrthancException.h"
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27 #include "../Logging.h"
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28
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29 namespace Orthanc
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30 {
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31 MemoryStorageArea::~MemoryStorageArea()
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32 {
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33 for (Content::iterator it = content_.begin(); it != content_.end(); ++it)
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34 {
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35 if (it->second != NULL)
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36 {
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37 delete it->second;
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38 }
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39 }
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40 }
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41
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42 void MemoryStorageArea::Create(const std::string& uuid,
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43 const void* content,
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44 size_t size,
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45 FileContentType type)
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46 {
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47 LOG(INFO) << "Creating attachment \"" << uuid << "\" of \"" << static_cast<int>(type)
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48 << "\" type (size: " << (size / (1024 * 1024) + 1) << "MB)";
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49
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50 boost::mutex::scoped_lock lock(mutex_);
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51
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52 if (size != 0 &&
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53 content == NULL)
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54 {
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55 throw OrthancException(ErrorCode_NullPointer);
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56 }
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57 else if (content_.find(uuid) != content_.end())
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58 {
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59 throw OrthancException(ErrorCode_InternalError);
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60 }
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61 else
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62 {
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63 content_[uuid] = new std::string(reinterpret_cast<const char*>(content), size);
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64 }
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65 }
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66
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67
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68 void MemoryStorageArea::Read(std::string& content,
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69 const std::string& uuid,
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70 FileContentType type)
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71 {
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72 LOG(INFO) << "Reading attachment \"" << uuid << "\" of \""
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73 << static_cast<int>(type) << "\" content type";
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74
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75 boost::mutex::scoped_lock lock(mutex_);
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76
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77 Content::const_iterator found = content_.find(uuid);
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78
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79 if (found == content_.end())
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80 {
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81 throw OrthancException(ErrorCode_InexistentFile);
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82 }
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83 else if (found->second == NULL)
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84 {
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85 throw OrthancException(ErrorCode_InternalError);
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86 }
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87 else
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88 {
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89 content.assign(*found->second);
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90 }
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91 }
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92
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93
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94 void MemoryStorageArea::Remove(const std::string& uuid,
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95 FileContentType type)
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96 {
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97 LOG(INFO) << "Deleting attachment \"" << uuid << "\" of type " << static_cast<int>(type);
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98
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99 boost::mutex::scoped_lock lock(mutex_);
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100
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101 Content::iterator found = content_.find(uuid);
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102
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103 if (found == content_.end())
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104 {
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105 // Ignore second removal
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106 }
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107 else if (found->second == NULL)
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108 {
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109 throw OrthancException(ErrorCode_InternalError);
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110 }
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111 else
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112 {
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113 delete found->second;
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114 content_.erase(found);
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115 }
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116 }
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117 }