Mercurial > hg > orthanc-databases

annotate Framework/PostgreSQL/PostgreSQLParameters.h @ 432:8b7c1c423367 pg-transactions

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new 'TransactionMode' config + rewrote ResourceDeletedFunc to avoid IF/THEN/ELSE pattern
author Alain Mazy <am@osimis.io>
date Mon, 11 Dec 2023 14:39:27 +0100
parents dbf811b1bb43
children f0976163dbe1
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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) 2017-2023 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2023 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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21
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22
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23 #pragma once
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24
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25 #if ORTHANC_ENABLE_POSTGRESQL != 1
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26 # error PostgreSQL support must be enabled to use this file
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27 #endif
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28
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29 #include "../../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h"
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30
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31 namespace OrthancDatabases
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32 {
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33 enum IsolationMode
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34 {
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35 IsolationMode_DbDefault = 0,
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36 IsolationMode_Serializable = 1,
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37 IsolationMode_ReadCommited = 2
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38 };
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39
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40 class PostgreSQLParameters
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41 {
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42 private:
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43 std::string host_;
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44 uint16_t port_;
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45 std::string username_;
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46 std::string password_;
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47 std::string database_;
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48 std::string uri_;
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49 bool ssl_;
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50 bool lock_;
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51 unsigned int maxConnectionRetries_;
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52 unsigned int connectionRetryInterval_;
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53 bool isVerboseEnabled_;
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54 IsolationMode isolationMode_;
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55 void Reset();
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56
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57 public:
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58 PostgreSQLParameters();
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59
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60 explicit PostgreSQLParameters(const OrthancPlugins::OrthancConfiguration& configuration);
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61
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62 void SetConnectionUri(const std::string& uri);
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63
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64 std::string GetConnectionUri() const;
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65
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66 void SetHost(const std::string& host);
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67
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68 const std::string& GetHost() const
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69 {
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70 return host_;
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71 }
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72
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73 void SetPortNumber(unsigned int port);
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74
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75 uint16_t GetPortNumber() const
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76 {
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77 return port_;
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78 }
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79
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80 void SetUsername(const std::string& username);
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81
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82 const std::string& GetUsername() const
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83 {
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84 return username_;
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85 }
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86
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87 void SetPassword(const std::string& password);
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88
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89 const std::string& GetPassword() const
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90 {
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91 return password_;
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92 }
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93
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94 void SetDatabase(const std::string& database);
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95
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96 void ResetDatabase()
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97 {
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98 SetDatabase("");
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99 }
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100
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101 const std::string& GetDatabase() const
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102 {
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103 return database_;
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104 }
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105
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106 void SetSsl(bool ssl)
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107 {
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108 ssl_ = ssl;
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109 }
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110
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111 bool IsSsl() const
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112 {
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113 return ssl_;
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114 }
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115
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116 void SetLock(bool lock)
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117 {
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118 lock_ = lock;
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119 }
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120
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121 bool HasLock() const
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122 {
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123 return lock_;
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124 }
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125
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126 unsigned int GetMaxConnectionRetries() const
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127 {
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128 return maxConnectionRetries_;
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129 }
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131 unsigned int GetConnectionRetryInterval() const
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132 {
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133 return connectionRetryInterval_;
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134 }
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135
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136 void SetIsolationMode(IsolationMode isolationMode)
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137 {
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138 isolationMode_ = isolationMode;
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139 }
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140
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141 const char* GetReadWriteTransactionStatement() const
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142 {
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143 switch (isolationMode_)
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144 {
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145 case IsolationMode_DbDefault:
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146 return "";
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147 case IsolationMode_ReadCommited:
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148 return "SET TRANSACTION ISOLATION LEVEL READ COMMITTED READ WRITE";
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149 case IsolationMode_Serializable:
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150 return "SET TRANSACTION ISOLATION LEVEL SERIALIZABLE READ WRITE";
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151 default:
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152 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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153 }
370
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154 }
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155
432
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156 const char* GetReadOnlyTransactionStatement() const
370
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157 {
432
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158 switch (isolationMode_)
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159 {
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160 case IsolationMode_DbDefault:
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161 return "";
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162 case IsolationMode_ReadCommited:
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163 return "SET TRANSACTION ISOLATION LEVEL READ COMMITTED READ ONLY";
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164 case IsolationMode_Serializable:
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165 return "SET TRANSACTION ISOLATION LEVEL SERIALIZABLE READ ONLY";
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166 default:
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167 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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168 }
370
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169 }
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170
429
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171 void SetVerboseEnabled(bool enabled)
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172 {
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173 isVerboseEnabled_ = enabled;
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174 }
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175
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176 bool IsVerboseEnabled() const
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177 {
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178 return isVerboseEnabled_;
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179 }
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180
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181
0
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182 void Format(std::string& target) const;
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183 };
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184 }