Mercurial > hg > orthanc-databases

annotate Framework/Plugins/StorageBackend.cpp @ 193:3236894320d6

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upgrade to year 2021
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 06 Jan 2021 17:40:27 +0100
parents 275e14f57f1e
children a51ce147dbe0
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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
193
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5 * Copyright (C) 2017-2021 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 Affero 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 * Affero 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 Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21
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22 #include "StorageBackend.h"
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23
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24 #if HAS_ORTHANC_EXCEPTION != 1
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25 # error HAS_ORTHANC_EXCEPTION must be set to 1
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26 #endif
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27
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28 #include "../../Framework/Common/BinaryStringValue.h"
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29 #include "../../Framework/Common/FileValue.h"
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30
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31 #include <Compatibility.h> // For std::unique_ptr<>
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32 #include <OrthancException.h>
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33
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34
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35 #define ORTHANC_PLUGINS_DATABASE_CATCH \
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36 catch (::Orthanc::OrthancException& e) \
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37 { \
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38 return static_cast<OrthancPluginErrorCode>(e.GetErrorCode()); \
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39 } \
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40 catch (::std::runtime_error& e) \
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41 { \
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42 std::string s = "Exception in storage area back-end: " + std::string(e.what()); \
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43 OrthancPluginLogError(context_, s.c_str()); \
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44 return OrthancPluginErrorCode_DatabasePlugin; \
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45 } \
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46 catch (...) \
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47 { \
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48 OrthancPluginLogError(context_, "Native exception"); \
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49 return OrthancPluginErrorCode_DatabasePlugin; \
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50 }
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51
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52
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53 namespace OrthancDatabases
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54 {
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55 void StorageBackend::ReadFromString(void*& buffer,
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56 size_t& size,
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57 const std::string& content)
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58 {
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59 size = content.size();
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60
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61 if (content.empty())
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62 {
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63 buffer = NULL;
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64 }
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65 else
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66 {
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67 buffer = malloc(size);
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68
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69 if (buffer == NULL)
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70 {
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71 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotEnoughMemory);
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72 }
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73
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74 memcpy(buffer, content.c_str(), size);
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75 }
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76 }
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77
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78
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79 StorageBackend::StorageBackend(IDatabaseFactory* factory) :
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80 manager_(factory)
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81 {
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82 }
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83
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84
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85 void StorageBackend::ReadToString(std::string& content,
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86 DatabaseManager::Transaction& transaction,
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87 const std::string& uuid,
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88 OrthancPluginContentType type)
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89 {
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90 void* buffer = NULL;
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91 size_t size;
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92 Read(buffer, size, transaction, uuid, type);
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93
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94 try
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95 {
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96 content.resize(size);
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97 }
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98 catch (std::bad_alloc&)
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99 {
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100 if (size != 0)
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101 {
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102 free(buffer);
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103 }
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104
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105 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotEnoughMemory);
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106 }
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107
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108 if (size != 0)
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109 {
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110 assert(buffer != NULL);
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111 memcpy(&content[0], buffer, size);
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112 }
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113
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114 free(buffer);
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115 }
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116
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117
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118 void StorageBackend::Create(DatabaseManager::Transaction& transaction,
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119 const std::string& uuid,
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120 const void* content,
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121 size_t size,
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122 OrthancPluginContentType type)
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123 {
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124 DatabaseManager::CachedStatement statement(
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125 STATEMENT_FROM_HERE, GetManager(),
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126 "INSERT INTO StorageArea VALUES (${uuid}, ${content}, ${type})");
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127
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128 statement.SetParameterType("uuid", ValueType_Utf8String);
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129 statement.SetParameterType("content", ValueType_File);
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130 statement.SetParameterType("type", ValueType_Integer64);
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131
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132 Dictionary args;
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133 args.SetUtf8Value("uuid", uuid);
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134 args.SetFileValue("content", content, size);
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135 args.SetIntegerValue("type", type);
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136
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137 statement.Execute(args);
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138 }
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139
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140
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141 void StorageBackend::Read(void*& content,
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142 size_t& size,
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143 DatabaseManager::Transaction& transaction,
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144 const std::string& uuid,
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145 OrthancPluginContentType type)
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146 {
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147 DatabaseManager::CachedStatement statement(
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148 STATEMENT_FROM_HERE, GetManager(),
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diff changeset
149 "SELECT content FROM StorageArea WHERE uuid=${uuid} AND type=${type}");
9e419261f1c9 mysql storage area working
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parents: 14
diff changeset
150
9e419261f1c9 mysql storage area working
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diff changeset
151 statement.SetParameterType("uuid", ValueType_Utf8String);
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diff changeset
152 statement.SetParameterType("type", ValueType_Integer64);
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diff changeset
153
9e419261f1c9 mysql storage area working
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diff changeset
154 Dictionary args;
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155 args.SetUtf8Value("uuid", uuid);
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diff changeset
156 args.SetIntegerValue("type", type);
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 14
diff changeset
157
9e419261f1c9 mysql storage area working
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diff changeset
158 statement.Execute(args);
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diff changeset
159
9e419261f1c9 mysql storage area working
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diff changeset
160 if (statement.IsDone())
9e419261f1c9 mysql storage area working
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parents: 14
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161 {
9e419261f1c9 mysql storage area working
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parents: 14
diff changeset
162 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource);
9e419261f1c9 mysql storage area working
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163 }
9e419261f1c9 mysql storage area working
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parents: 14
diff changeset
164 else if (statement.GetResultFieldsCount() != 1)
9e419261f1c9 mysql storage area working
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parents: 14
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165 {
9e419261f1c9 mysql storage area working
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parents: 14
diff changeset
166 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database);
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167 }
9e419261f1c9 mysql storage area working
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parents: 14
diff changeset
168 else
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parents: 14
diff changeset
169 {
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diff changeset
170 const IValue& value = statement.GetResultField(0);
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171
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diff changeset
172 switch (value.GetType())
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173 {
9e419261f1c9 mysql storage area working
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parents: 14
diff changeset
174 case ValueType_File:
9e419261f1c9 mysql storage area working
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parents: 14
diff changeset
175 ReadFromString(content, size,
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diff changeset
176 dynamic_cast<const FileValue&>(value).GetContent());
9e419261f1c9 mysql storage area working
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diff changeset
177 break;
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diff changeset
178
9e419261f1c9 mysql storage area working
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diff changeset
179 case ValueType_BinaryString:
9e419261f1c9 mysql storage area working
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diff changeset
180 ReadFromString(content, size,
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diff changeset
181 dynamic_cast<const BinaryStringValue&>(value).GetContent());
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diff changeset
182 break;
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diff changeset
183
9e419261f1c9 mysql storage area working
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diff changeset
184 default:
9e419261f1c9 mysql storage area working
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185 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database);
9e419261f1c9 mysql storage area working
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186 }
9e419261f1c9 mysql storage area working
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diff changeset
187 }
9e419261f1c9 mysql storage area working
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parents: 14
diff changeset
188 }
9e419261f1c9 mysql storage area working
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parents: 14
diff changeset
189
9e419261f1c9 mysql storage area working
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diff changeset
190
9e419261f1c9 mysql storage area working
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parents: 14
diff changeset
191 void StorageBackend::Remove(DatabaseManager::Transaction& transaction,
9e419261f1c9 mysql storage area working
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
192 const std::string& uuid,
9e419261f1c9 mysql storage area working
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diff changeset
193 OrthancPluginContentType type)
9e419261f1c9 mysql storage area working
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parents: 14
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194 {
9e419261f1c9 mysql storage area working
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diff changeset
195 DatabaseManager::CachedStatement statement(
9e419261f1c9 mysql storage area working
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parents: 14
diff changeset
196 STATEMENT_FROM_HERE, GetManager(),
9e419261f1c9 mysql storage area working
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
197 "DELETE FROM StorageArea WHERE uuid=${uuid} AND type=${type}");
9e419261f1c9 mysql storage area working
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diff changeset
198
9e419261f1c9 mysql storage area working
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diff changeset
199 statement.SetParameterType("uuid", ValueType_Utf8String);
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200 statement.SetParameterType("type", ValueType_Integer64);
9e419261f1c9 mysql storage area working
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parents: 14
diff changeset
201
9e419261f1c9 mysql storage area working
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
202 Dictionary args;
9e419261f1c9 mysql storage area working
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diff changeset
203 args.SetUtf8Value("uuid", uuid);
9e419261f1c9 mysql storage area working
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 14
diff changeset
204 args.SetIntegerValue("type", type);
9e419261f1c9 mysql storage area working
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 14
diff changeset
205
9e419261f1c9 mysql storage area working
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diff changeset
206 statement.Execute(args);
9e419261f1c9 mysql storage area working
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diff changeset
207 }
9e419261f1c9 mysql storage area working
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parents: 14
diff changeset
208
9e419261f1c9 mysql storage area working
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
209
9e419261f1c9 mysql storage area working
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diff changeset
210
1
d17b2631bb67 starting StorageBackend
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211 static OrthancPluginContext* context_ = NULL;
157
275e14f57f1e replacing deprecated std::auto_ptr by std::unique_ptr
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parents: 152
diff changeset
212 static std::unique_ptr<StorageBackend> backend_;
1
d17b2631bb67 starting StorageBackend
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diff changeset
213
12
41543239072d transactions for storage area
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diff changeset
214
1
d17b2631bb67 starting StorageBackend
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parents:
diff changeset
215 static OrthancPluginErrorCode StorageCreate(const char* uuid,
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
216 const void* content,
d17b2631bb67 starting StorageBackend
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diff changeset
217 int64_t size,
d17b2631bb67 starting StorageBackend
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parents:
diff changeset
218 OrthancPluginContentType type)
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
219 {
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
220 try
d17b2631bb67 starting StorageBackend
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parents:
diff changeset
221 {
12
41543239072d transactions for storage area
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parents: 1
diff changeset
222 DatabaseManager::Transaction transaction(backend_->GetManager());
41543239072d transactions for storage area
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parents: 1
diff changeset
223 backend_->Create(transaction, uuid, content, static_cast<size_t>(size), type);
41543239072d transactions for storage area
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parents: 1
diff changeset
224 transaction.Commit();
1
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
225 return OrthancPluginErrorCode_Success;
d17b2631bb67 starting StorageBackend
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parents:
diff changeset
226 }
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
227 ORTHANC_PLUGINS_DATABASE_CATCH;
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
228 }
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
229
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
230
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
231 static OrthancPluginErrorCode StorageRead(void** content,
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
232 int64_t* size,
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
233 const char* uuid,
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
234 OrthancPluginContentType type)
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
235 {
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
236 try
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
237 {
12
41543239072d transactions for storage area
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1
diff changeset
238 DatabaseManager::Transaction transaction(backend_->GetManager());
1
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
239 size_t tmp;
12
41543239072d transactions for storage area
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parents: 1
diff changeset
240 backend_->Read(*content, tmp, transaction, uuid, type);
1
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
241 *size = static_cast<int64_t>(tmp);
12
41543239072d transactions for storage area
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1
diff changeset
242 transaction.Commit();
1
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
243 return OrthancPluginErrorCode_Success;
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
244 }
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
245 ORTHANC_PLUGINS_DATABASE_CATCH;
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
246 }
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
247
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
248
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
249 static OrthancPluginErrorCode StorageRemove(const char* uuid,
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
250 OrthancPluginContentType type)
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
251 {
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
252 try
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
253 {
12
41543239072d transactions for storage area
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1
diff changeset
254 DatabaseManager::Transaction transaction(backend_->GetManager());
41543239072d transactions for storage area
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1
diff changeset
255 backend_->Remove(transaction, uuid, type);
41543239072d transactions for storage area
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1
diff changeset
256 transaction.Commit();
1
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
257 return OrthancPluginErrorCode_Success;
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
258 }
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
259 ORTHANC_PLUGINS_DATABASE_CATCH;
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
260 }
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
261
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
262
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
263 void StorageBackend::Register(OrthancPluginContext* context,
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
264 StorageBackend* backend)
d17b2631bb67 starting StorageBackend
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parents:
diff changeset
265 {
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
266 if (context == NULL ||
d17b2631bb67 starting StorageBackend
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parents:
diff changeset
267 backend == NULL)
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
268 {
d17b2631bb67 starting StorageBackend
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parents:
diff changeset
269 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
270 }
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
271
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
272 if (context_ != NULL ||
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
273 backend_.get() != NULL)
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
274 {
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
275 // This function can only be invoked once in the plugin
d17b2631bb67 starting StorageBackend
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parents:
diff changeset
276 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
d17b2631bb67 starting StorageBackend
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parents:
diff changeset
277 }
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
278 else
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
279 {
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
280 context_ = context;
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
281 backend_.reset(backend);
16
9e419261f1c9 mysql storage area working
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 14
diff changeset
282 backend_->GetManager().Open();
1
d17b2631bb67 starting StorageBackend
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parents:
diff changeset
283
d17b2631bb67 starting StorageBackend
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parents:
diff changeset
284 OrthancPluginRegisterStorageArea(context_, StorageCreate, StorageRead, StorageRemove);
d17b2631bb67 starting StorageBackend
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parents:
diff changeset
285 }
d17b2631bb67 starting StorageBackend
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parents:
diff changeset
286 }
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
287
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
288
d17b2631bb67 starting StorageBackend
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parents:
diff changeset
289 void StorageBackend::Finalize()
d17b2631bb67 starting StorageBackend
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parents:
diff changeset
290 {
d17b2631bb67 starting StorageBackend
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parents:
diff changeset
291 backend_.reset(NULL);
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
292 context_ = NULL;
d17b2631bb67 starting StorageBackend
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parents:
diff changeset
293 }
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
294 }