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annotate Odbc/Plugins/StoragePlugin.cpp @ 492:af6998ed73dd

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fix deprecated calls
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 22 Mar 2024 15:03:26 +0100
parents ecd0b719cff5
children 54d518dcd74a
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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) 2017-2024 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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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 Affero 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.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Affero General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Affero General Public License
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19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 **/
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23 #include "../../Framework/Odbc/OdbcDatabase.h"
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24 #include "../../Framework/Plugins/PluginInitialization.h"
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25 #include "../../Framework/Plugins/StorageBackend.h"
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26 #include "../../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h"
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28 #include <EmbeddedResources.h> // Autogenerated file
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30 #include <Logging.h>
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31
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32 #define ORTHANC_PLUGIN_NAME "odbc-storage"
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33
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34
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35 namespace OrthancDatabases
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36 {
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37 class OdbcStorageArea : public StorageBackend
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38 {
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39 protected:
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40 virtual bool HasReadRange() const ORTHANC_OVERRIDE
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41 {
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42 // Read range is only available in native PostgreSQL/MySQL plugins
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43 return false;
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44 }
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46 public:
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47 OdbcStorageArea(unsigned int maxConnectionRetries,
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48 unsigned int connectionRetryInterval,
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49 const std::string& connectionString) :
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50 StorageBackend(OdbcDatabase::CreateDatabaseFactory(
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51 maxConnectionRetries, connectionRetryInterval, connectionString, false),
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52 maxConnectionRetries)
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53 {
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54 {
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55 AccessorBase accessor(*this);
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56 OdbcDatabase& db = dynamic_cast<OdbcDatabase&>(accessor.GetManager().GetDatabase());
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57
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58 if (!db.DoesTableExist("storagearea"))
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59 {
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60 std::string sql;
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61 Orthanc::EmbeddedResources::GetFileResource(sql, Orthanc::EmbeddedResources::ODBC_PREPARE_STORAGE);
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62
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63 switch (db.GetDialect())
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64 {
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65 case Dialect_SQLite:
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66 boost::replace_all(sql, "${BINARY}", "BLOB");
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67 break;
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68
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69 case Dialect_PostgreSQL:
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70 boost::replace_all(sql, "${BINARY}", "BYTEA");
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71 break;
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72
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73 case Dialect_MySQL:
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74 boost::replace_all(sql, "${BINARY}", "LONGBLOB");
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75 break;
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76
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77 case Dialect_MSSQL:
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78 boost::replace_all(sql, "${BINARY}", "VARBINARY(MAX)");
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79 break;
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80
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81 default:
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82 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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83 }
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84
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85 {
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86 DatabaseManager::Transaction t(accessor.GetManager(), TransactionType_ReadWrite);
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87 db.ExecuteMultiLines(sql);
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88 t.Commit();
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89 }
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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 }
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95
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96
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97
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98 #if defined(_WIN32)
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99 # include <windows.h>
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100 #else
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101 # include <ltdl.h>
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102 # include <libltdl/lt_dlloader.h>
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103 #endif
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104
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105
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106 static const char* const KEY_ODBC = "Odbc";
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107
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108
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109 extern "C"
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110 {
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111 #if !defined(_WIN32)
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112 extern lt_dlvtable *dlopen_LTX_get_vtable(lt_user_data loader_data);
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113 #endif
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114
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115
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116 ORTHANC_PLUGINS_API int32_t OrthancPluginInitialize(OrthancPluginContext* context)
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117 {
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118 if (!OrthancDatabases::InitializePlugin(context, ORTHANC_PLUGIN_NAME, "ODBC", false))
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119 {
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120 return -1;
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121 }
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122
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123 #if !defined(_WIN32)
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124 lt_dlinit();
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125
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126 /**
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127 * The following call is necessary for "libltdl" to access the
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128 * "dlopen()" primitives if statically linking. Otherwise, only the
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129 * "preopen" primitives are available.
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130 **/
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131 lt_dlloader_add(dlopen_LTX_get_vtable(NULL));
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132 #endif
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133
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134 OrthancPlugins::OrthancConfiguration configuration;
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135
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136 if (!configuration.IsSection(KEY_ODBC))
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137 {
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138 LOG(WARNING) << "No available configuration for the ODBC storage area plugin";
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139 return 0;
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140 }
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141
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142 OrthancPlugins::OrthancConfiguration odbc;
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143 configuration.GetSection(odbc, KEY_ODBC);
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144
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145 bool enable;
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146 if (!odbc.LookupBooleanValue(enable, "EnableStorage") ||
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147 !enable)
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148 {
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149 LOG(WARNING) << "The ODBC storage area is currently disabled, set \"EnableStorage\" "
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150 << "to \"true\" in the \"" << KEY_ODBC << "\" section of the configuration file of Orthanc";
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151 return 0;
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152 }
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153
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154 OrthancDatabases::OdbcEnvironment::GlobalInitialization();
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155
329
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156 try
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157 {
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158 const std::string connectionString = odbc.GetStringValue("StorageConnectionString", "");
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159 const unsigned int maxConnectionRetries = odbc.GetUnsignedIntegerValue("MaxConnectionRetries", 10);
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160 const unsigned int connectionRetryInterval = odbc.GetUnsignedIntegerValue("ConnectionRetryInterval", 5);
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161
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162 if (connectionString.empty())
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163 {
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164 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange,
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165 "No connection string provided for the ODBC storage area");
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166 }
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167
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168 OrthancDatabases::StorageBackend::Register(
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169 context, new OrthancDatabases::OdbcStorageArea(
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170 maxConnectionRetries, connectionRetryInterval, connectionString));
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171 }
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172 catch (Orthanc::OrthancException& e)
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173 {
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174 LOG(ERROR) << e.What();
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175 return -1;
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176 }
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177 catch (...)
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178 {
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179 LOG(ERROR) << "Native exception while initializing the plugin";
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180 return -1;
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181 }
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182
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183 return 0;
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184 }
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185
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186
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187 ORTHANC_PLUGINS_API void OrthancPluginFinalize()
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188 {
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189 LOG(WARNING) << "ODBC storage area is finalizing";
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190 OrthancDatabases::StorageBackend::Finalize();
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191 }
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192
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193
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194 ORTHANC_PLUGINS_API const char* OrthancPluginGetName()
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195 {
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196 return ORTHANC_PLUGIN_NAME;
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197 }
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198
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199
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200 ORTHANC_PLUGINS_API const char* OrthancPluginGetVersion()
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201 {
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202 return ORTHANC_PLUGIN_VERSION;
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203 }
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204 }