Mercurial > hg > orthanc-databases

annotate Framework/Plugins/StorageBackend.cpp @ 219:dd6cfc250747

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removed useless class StorageAreaBuffer
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 29 Mar 2021 14:52:55 +0200
parents 696bc0c9fddb
children a4918d57435c
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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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3236894320d6 upgrade to year 2021
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5 * Copyright (C) 2017-2021 Osimis S.A., Belgium
1
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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 #include <limits>
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35
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36
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37 #define ORTHANC_PLUGINS_DATABASE_CATCH \
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38 catch (::Orthanc::OrthancException& e) \
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39 { \
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40 return static_cast<OrthancPluginErrorCode>(e.GetErrorCode()); \
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41 } \
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42 catch (::std::runtime_error& e) \
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43 { \
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44 std::string s = "Exception in storage area back-end: " + std::string(e.what()); \
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45 OrthancPluginLogError(context_, s.c_str()); \
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46 return OrthancPluginErrorCode_DatabasePlugin; \
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47 } \
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48 catch (...) \
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49 { \
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50 OrthancPluginLogError(context_, "Native exception"); \
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51 return OrthancPluginErrorCode_DatabasePlugin; \
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52 }
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53
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54
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55 namespace OrthancDatabases
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56 {
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57 StorageBackend::StorageBackend(IDatabaseFactory* factory) :
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58 manager_(factory)
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59 {
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60 }
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61
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62
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63 void StorageBackend::Create(DatabaseManager::Transaction& transaction,
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64 const std::string& uuid,
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65 const void* content,
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66 size_t size,
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67 OrthancPluginContentType type)
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68 {
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69 DatabaseManager::CachedStatement statement(
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70 STATEMENT_FROM_HERE, GetManager(),
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71 "INSERT INTO StorageArea VALUES (${uuid}, ${content}, ${type})");
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72
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73 statement.SetParameterType("uuid", ValueType_Utf8String);
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74 statement.SetParameterType("content", ValueType_File);
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75 statement.SetParameterType("type", ValueType_Integer64);
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76
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77 Dictionary args;
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78 args.SetUtf8Value("uuid", uuid);
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79 args.SetFileValue("content", content, size);
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80 args.SetIntegerValue("type", type);
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81
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82 statement.Execute(args);
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83 }
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84
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85
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86 void StorageBackend::Read(StorageBackend::IFileContentVisitor& target,
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87 DatabaseManager::Transaction& transaction,
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88 const std::string& uuid,
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89 OrthancPluginContentType type)
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90 {
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91 DatabaseManager::CachedStatement statement(
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92 STATEMENT_FROM_HERE, GetManager(),
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93 "SELECT content FROM StorageArea WHERE uuid=${uuid} AND type=${type}");
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94
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95 statement.SetParameterType("uuid", ValueType_Utf8String);
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96 statement.SetParameterType("type", ValueType_Integer64);
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97
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98 Dictionary args;
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99 args.SetUtf8Value("uuid", uuid);
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100 args.SetIntegerValue("type", type);
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101
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102 statement.Execute(args);
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103
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104 if (statement.IsDone())
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105 {
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106 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource);
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107 }
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108 else if (statement.GetResultFieldsCount() != 1)
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109 {
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110 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database);
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111 }
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112 else
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113 {
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114 const IValue& value = statement.GetResultField(0);
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115
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116 switch (value.GetType())
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117 {
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118 case ValueType_File:
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119 target.Assign(dynamic_cast<const FileValue&>(value).GetContent());
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120 break;
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121
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122 case ValueType_BinaryString:
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123 target.Assign(dynamic_cast<const BinaryStringValue&>(value).GetContent());
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124 break;
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125
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126 default:
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127 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database);
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128 }
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129 }
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130 }
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131
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132
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133 void StorageBackend::Remove(DatabaseManager::Transaction& transaction,
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134 const std::string& uuid,
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135 OrthancPluginContentType type)
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136 {
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137 DatabaseManager::CachedStatement statement(
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138 STATEMENT_FROM_HERE, GetManager(),
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139 "DELETE FROM StorageArea WHERE uuid=${uuid} AND type=${type}");
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140
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141 statement.SetParameterType("uuid", ValueType_Utf8String);
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142 statement.SetParameterType("type", ValueType_Integer64);
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143
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diff changeset
144 Dictionary args;
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145 args.SetUtf8Value("uuid", uuid);
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146 args.SetIntegerValue("type", type);
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147
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148 statement.Execute(args);
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149 }
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150
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151
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152
1
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153 static OrthancPluginContext* context_ = NULL;
157
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154 static std::unique_ptr<StorageBackend> backend_;
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155
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156
1
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157 static OrthancPluginErrorCode StorageCreate(const char* uuid,
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158 const void* content,
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159 int64_t size,
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160 OrthancPluginContentType type)
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161 {
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162 try
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163 {
219
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164 if (backend_.get() == NULL)
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165 {
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166 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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167 }
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168
207
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169 DatabaseManager::Transaction transaction(backend_->GetManager(), TransactionType_ReadWrite);
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170 backend_->Create(transaction, uuid, content, static_cast<size_t>(size), type);
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171 transaction.Commit();
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172 return OrthancPluginErrorCode_Success;
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173 }
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174 ORTHANC_PLUGINS_DATABASE_CATCH;
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175 }
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176
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177
195
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178 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 9, 0)
219
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179 static OrthancPluginErrorCode StorageReadWhole(OrthancPluginMemoryBuffer64* target,
195
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180 const char* uuid,
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181 OrthancPluginContentType type)
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182 {
219
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183 class Visitor : public StorageBackend::IFileContentVisitor
195
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184 {
219
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185 private:
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186 OrthancPluginMemoryBuffer64* target_;
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187 bool success_;
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188
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189 public:
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190 Visitor(OrthancPluginMemoryBuffer64* target) :
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191 target_(target),
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192 success_(false)
195
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193 {
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194 }
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195
219
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196 bool IsSuccess() const
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197 {
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198 return success_;
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199 }
195
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200
219
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201 virtual void Assign(const std::string& content) ORTHANC_OVERRIDE
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202 {
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203 if (success_)
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204 {
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205 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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206 }
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207 else
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208 {
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209 assert(context_ != NULL);
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210
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211 if (OrthancPluginCreateMemoryBuffer64(context_, target_, static_cast<uint64_t>(content.size())) !=
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212 OrthancPluginErrorCode_Success)
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213 {
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214 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotEnoughMemory);
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215 }
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216
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217 if (!content.empty())
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218 {
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219 memcpy(target_->data, content.c_str(), content.size());
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220 }
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221
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222 success_ = true;
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223 }
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diff changeset
224 }
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diff changeset
225 };
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226
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227 try
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228 {
219
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diff changeset
229 if (backend_.get() == NULL)
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230 {
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231 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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232 }
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diff changeset
233
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diff changeset
234 if (target == NULL)
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235 {
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236 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
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237 }
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238
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239 Visitor visitor(target);
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240
194
a51ce147dbe0 refactoring using new class StorageAreaBuffer
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diff changeset
241 {
208
696bc0c9fddb fix build
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diff changeset
242 DatabaseManager::Transaction transaction(backend_->GetManager(), TransactionType_ReadOnly);
219
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diff changeset
243 backend_->Read(visitor, transaction, uuid, type);
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244
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diff changeset
245 if (!visitor.IsSuccess())
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diff changeset
246 {
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247 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database);
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248 }
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249
194
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diff changeset
250 transaction.Commit();
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diff changeset
251 }
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252
1
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253 return OrthancPluginErrorCode_Success;
d17b2631bb67 starting StorageBackend
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254 }
d17b2631bb67 starting StorageBackend
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255 ORTHANC_PLUGINS_DATABASE_CATCH;
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256 }
195
53bd9022c58b Support of "OrthancPluginRegisterStorageArea2()" from Orthanc SDK 1.9.0
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diff changeset
257 #endif
1
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258
219
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diff changeset
259
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diff changeset
260 static OrthancPluginErrorCode StorageRead(void** data,
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261 int64_t* size,
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262 const char* uuid,
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diff changeset
263 OrthancPluginContentType type)
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diff changeset
264 {
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diff changeset
265 class Visitor : public StorageBackend::IFileContentVisitor
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266 {
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267 private:
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268 void** data_;
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269 int64_t* size_;
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diff changeset
270 bool success_;
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271
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diff changeset
272 public:
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diff changeset
273 Visitor(void** data,
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diff changeset
274 int64_t* size) :
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diff changeset
275 data_(data),
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diff changeset
276 size_(size),
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diff changeset
277 success_(false)
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diff changeset
278 {
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diff changeset
279 }
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280
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diff changeset
281 bool IsSuccess() const
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282 {
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283 return success_;
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284 }
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285
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diff changeset
286 virtual void Assign(const std::string& content) ORTHANC_OVERRIDE
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diff changeset
287 {
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diff changeset
288 if (success_)
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
289 {
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
290 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
291 }
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
292 else
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
293 {
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
294 if (content.empty())
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
295 {
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
296 *data_ = NULL;
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
297 *size_ = 0;
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
298 }
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
299 else
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
300 {
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
301 *size_ = static_cast<int64_t>(content.size());
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
302
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
303 if (static_cast<size_t>(*size_) != content.size())
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
304 {
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
305 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotEnoughMemory,
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
306 "File cannot be stored in a 63bit buffer");
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
307 }
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
308
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
309 *data_ = malloc(*size_);
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
310 if (*data_ == NULL)
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
311 {
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
312 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotEnoughMemory);
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
313 }
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
314
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
315 memcpy(*data_, content.c_str(), *size_);
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
316 }
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
317
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
318 success_ = true;
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
319 }
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
320 }
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
321 };
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
322
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
323
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
324 try
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
325 {
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
326 if (backend_.get() == NULL)
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
327 {
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
328 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
329 }
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
330
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
331 if (data == NULL ||
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
332 size == NULL)
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
333 {
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
334 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
335 }
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
336
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
337 Visitor visitor(data, size);
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
338
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
339 {
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
340 DatabaseManager::Transaction transaction(backend_->GetManager(), TransactionType_ReadOnly);
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
341 backend_->Read(visitor, transaction, uuid, type);
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
342
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
343 if (!visitor.IsSuccess())
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
344 {
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
345 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database);
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
346 }
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
347
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
348 transaction.Commit();
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
349 }
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
350
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
351 return OrthancPluginErrorCode_Success;
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
352 }
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
353 ORTHANC_PLUGINS_DATABASE_CATCH;
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
354 }
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
355
1
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
356
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
357 static OrthancPluginErrorCode StorageRemove(const char* uuid,
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
358 OrthancPluginContentType type)
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
359 {
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
360 try
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
361 {
207
d9ef3f16e6a2 wrapping transactions in API v3
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 195
diff changeset
362 DatabaseManager::Transaction transaction(backend_->GetManager(), TransactionType_ReadWrite);
12
41543239072d transactions for storage area
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1
diff changeset
363 backend_->Remove(transaction, uuid, type);
41543239072d transactions for storage area
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1
diff changeset
364 transaction.Commit();
1
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
365 return OrthancPluginErrorCode_Success;
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
366 }
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
367 ORTHANC_PLUGINS_DATABASE_CATCH;
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
368 }
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
369
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
370
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
371 void StorageBackend::Register(OrthancPluginContext* context,
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
372 StorageBackend* backend)
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
373 {
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
374 if (context == NULL ||
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
375 backend == NULL)
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
376 {
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
377 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
378 }
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
379
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
380 if (context_ != NULL ||
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
381 backend_.get() != NULL)
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
382 {
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
383 // This function can only be invoked once in the plugin
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
384 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
385 }
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
386 else
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
387 {
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
388 context_ = context;
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
389 backend_.reset(backend);
16
9e419261f1c9 mysql storage area working
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 14
diff changeset
390 backend_->GetManager().Open();
1
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
391
219
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
392 bool hasLoadedV2 = false;
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
393
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
394 #if defined(ORTHANC_PLUGINS_VERSION_IS_ABOVE) // Macro introduced in Orthanc 1.3.1
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
395 # if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 9, 0)
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
396 if (OrthancPluginCheckVersionAdvanced(context, 1, 9, 0) == 1)
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
397 {
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
398 OrthancPluginRegisterStorageArea2(context_, StorageCreate, StorageReadWhole,
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
399 NULL /* TODO - StorageReadRange */, StorageRemove);
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
400 hasLoadedV2 = true;
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
401 }
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
402 # endif
195
53bd9022c58b Support of "OrthancPluginRegisterStorageArea2()" from Orthanc SDK 1.9.0
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 194
diff changeset
403 #endif
219
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
404
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
405 if (!hasLoadedV2)
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
406 {
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
407 OrthancPluginRegisterStorageArea(context_, StorageCreate, StorageRead, StorageRemove);
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
408 }
1
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
409 }
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
410 }
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
411
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
412
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
413 void StorageBackend::Finalize()
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
414 {
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
415 backend_.reset(NULL);
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
416 context_ = NULL;
d17b2631bb67 starting StorageBackend
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
417 }
219
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
418
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
419
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
420 void StorageBackend::ReadToString(std::string& target,
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
421 DatabaseManager::Transaction& transaction,
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
422 const std::string& uuid,
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
423 OrthancPluginContentType type)
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
424 {
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
425 class Visitor : public StorageBackend::IFileContentVisitor
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
426 {
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
427 private:
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
428 std::string& target_;
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
429 bool success_;
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
430
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
431 public:
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
432 Visitor(std::string& target) :
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
433 target_(target),
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
434 success_(false)
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
435 {
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
436 }
dd6cfc250747 removed useless class StorageAreaBuffer
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 208
diff changeset
437
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438 bool IsSuccess() const
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439 {
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440 return success_;
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441 }
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442
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443 virtual void Assign(const std::string& content) ORTHANC_OVERRIDE
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444 {
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445 if (success_)
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446 {
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447 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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448 }
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449 else
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450 {
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451 target_.assign(content);
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452 success_ = true;
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453 }
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454 }
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455 };
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456
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457
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458 Visitor visitor(target);
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459
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460 Read(visitor, transaction, uuid, type);
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461
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462 if (!visitor.IsSuccess())
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463 {
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464 throw Orthanc::OrthancException(Orthanc::ErrorCode_Database);
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465 }
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466 }
1
d17b2631bb67 starting StorageBackend
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467 }