Mercurial > hg > orthanc
annotate OrthancFramework/Sources/FileStorage/MemoryStorageArea.cpp @ 5474:6cb91df32207 Orthanc-1.12.2
Orthanc-1.12.2
| author | Alain Mazy <am@osimis.io> |
|---|---|
| date | Tue, 19 Dec 2023 10:05:57 +0100 |
| parents | b83192e7ad10 |
| children | 48b8dae6dc77 |
| rev | line source |
|---|---|
| 2653 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 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) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 2653 | 7 * |
| 8 * This program is free software: you can redistribute it and/or | |
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9 * modify it under the terms of the GNU Lesser General Public License |
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10 * as published by the Free Software Foundation, either version 3 of |
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11 * the License, or (at your option) any later version. |
| 2653 | 12 * |
| 13 * This program is distributed in the hope that it will be useful, but | |
| 14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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16 * Lesser General Public License for more details. |
| 2653 | 17 * |
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18 * You should have received a copy of the GNU Lesser General Public |
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19 * License along with this program. If not, see |
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20 * <http://www.gnu.org/licenses/>. |
| 2653 | 21 **/ |
| 22 | |
| 23 | |
| 24 #include "../PrecompiledHeaders.h" | |
| 25 #include "MemoryStorageArea.h" | |
| 26 | |
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27 #include "../Logging.h" |
| 2653 | 28 #include "../OrthancException.h" |
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29 #include "../StringMemoryBuffer.h" |
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30 #include "../Toolbox.h" |
| 2653 | 31 |
| 32 namespace Orthanc | |
| 33 { | |
| 34 MemoryStorageArea::~MemoryStorageArea() | |
| 35 { | |
| 36 for (Content::iterator it = content_.begin(); it != content_.end(); ++it) | |
| 37 { | |
| 38 if (it->second != NULL) | |
| 39 { | |
| 40 delete it->second; | |
| 41 } | |
| 42 } | |
| 43 } | |
| 44 | |
| 45 void MemoryStorageArea::Create(const std::string& uuid, | |
| 46 const void* content, | |
| 47 size_t size, | |
| 48 FileContentType type) | |
| 49 { | |
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50 LOG(INFO) << "Creating attachment \"" << uuid << "\" of \"" << static_cast<int>(type) |
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51 << "\" type (size: " << Toolbox::GetHumanFileSize(size) << ")"; |
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52 |
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53 Mutex::ScopedLock lock(mutex_); |
| 2653 | 54 |
| 55 if (size != 0 && | |
| 56 content == NULL) | |
| 57 { | |
| 58 throw OrthancException(ErrorCode_NullPointer); | |
| 59 } | |
| 60 else if (content_.find(uuid) != content_.end()) | |
| 61 { | |
| 62 throw OrthancException(ErrorCode_InternalError); | |
| 63 } | |
| 64 else | |
| 65 { | |
| 66 content_[uuid] = new std::string(reinterpret_cast<const char*>(content), size); | |
| 67 } | |
| 68 } | |
| 69 | |
| 70 | |
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71 IMemoryBuffer* MemoryStorageArea::Read(const std::string& uuid, |
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72 FileContentType type) |
| 2653 | 73 { |
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74 LOG(INFO) << "Reading attachment \"" << uuid << "\" of \"" |
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75 << static_cast<int>(type) << "\" content type"; |
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76 |
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77 Mutex::ScopedLock lock(mutex_); |
| 2653 | 78 |
| 79 Content::const_iterator found = content_.find(uuid); | |
| 80 | |
| 81 if (found == content_.end()) | |
| 82 { | |
| 83 throw OrthancException(ErrorCode_InexistentFile); | |
| 84 } | |
| 85 else if (found->second == NULL) | |
| 86 { | |
| 87 throw OrthancException(ErrorCode_InternalError); | |
| 88 } | |
| 89 else | |
| 90 { | |
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91 return StringMemoryBuffer::CreateFromCopy(*found->second); |
| 2653 | 92 } |
| 93 } | |
| 94 | |
| 95 | |
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96 IMemoryBuffer* MemoryStorageArea::ReadRange(const std::string& uuid, |
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97 FileContentType type, |
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98 uint64_t start /* inclusive */, |
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99 uint64_t end /* exclusive */) |
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100 { |
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101 LOG(INFO) << "Reading attachment \"" << uuid << "\" of \"" |
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102 << static_cast<int>(type) << "\" content type " |
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103 << "(range from " << start << " to " << end << ")"; |
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104 |
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105 if (start > end) |
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106 { |
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107 throw OrthancException(ErrorCode_BadRange); |
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108 } |
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109 else if (start == end) |
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110 { |
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111 return new StringMemoryBuffer; |
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112 } |
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113 else |
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114 { |
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115 Mutex::ScopedLock lock(mutex_); |
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116 |
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117 Content::const_iterator found = content_.find(uuid); |
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118 |
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119 if (found == content_.end()) |
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120 { |
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121 throw OrthancException(ErrorCode_InexistentFile); |
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122 } |
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123 else if (found->second == NULL) |
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124 { |
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125 throw OrthancException(ErrorCode_InternalError); |
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126 } |
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127 else if (end > found->second->size()) |
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128 { |
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129 throw OrthancException(ErrorCode_BadRange); |
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130 } |
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131 else |
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132 { |
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133 std::string range; |
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134 range.resize(end - start); |
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135 assert(!range.empty()); |
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136 |
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137 memcpy(&range[0], &found->second[start], range.size()); |
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138 |
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139 return StringMemoryBuffer::CreateFromSwap(range); |
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140 } |
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141 } |
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142 } |
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143 |
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144 |
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145 bool MemoryStorageArea::HasReadRange() const |
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146 { |
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147 return true; |
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148 } |
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149 |
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150 |
| 2653 | 151 void MemoryStorageArea::Remove(const std::string& uuid, |
| 152 FileContentType type) | |
| 153 { | |
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154 LOG(INFO) << "Deleting attachment \"" << uuid << "\" of type " << static_cast<int>(type); |
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155 |
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156 Mutex::ScopedLock lock(mutex_); |
| 2653 | 157 |
| 158 Content::iterator found = content_.find(uuid); | |
| 159 | |
| 160 if (found == content_.end()) | |
| 161 { | |
| 162 // Ignore second removal | |
| 163 } | |
| 164 else if (found->second == NULL) | |
| 165 { | |
| 166 throw OrthancException(ErrorCode_InternalError); | |
| 167 } | |
| 168 else | |
| 169 { | |
| 170 delete found->second; | |
| 171 content_.erase(found); | |
| 172 } | |
| 173 } | |
| 174 } |