Mercurial > hg > orthanc

annotate OrthancServer/QueryRetrieveHandler.cpp @ 3288:8d1ea00a990a

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 21 Feb 2019 19:17:03 +0100
parents d9eb978a1039
children 872bd3b6ec72
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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) 2017-2019 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 General Public License as
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9 * published by the Free Software Foundation, either version 3 of the
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10 * License, or (at your option) any later version.
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11 *
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12 * In addition, as a special exception, the copyright holders of this
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13 * program give permission to link the code of its release with the
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14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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15 * that use the same license as the "OpenSSL" library), and distribute
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16 * the linked executables. You must obey the GNU General Public License
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17 * in all respects for all of the code used other than "OpenSSL". If you
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18 * modify file(s) with this exception, you may extend this exception to
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19 * your version of the file(s), but you are not obligated to do so. If
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20 * you do not wish to do so, delete this exception statement from your
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21 * version. If you delete this exception statement from all source files
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22 * in the program, then also delete it here.
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23 *
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24 * This program is distributed in the hope that it will be useful, but
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25 * WITHOUT ANY WARRANTY; without even the implied warranty of
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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27 * General Public License for more details.
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28 *
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29 * You should have received a copy of the GNU General Public License
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30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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31 **/
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32
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33
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34 #include "PrecompiledHeadersServer.h"
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35 #include "QueryRetrieveHandler.h"
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36
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37 #include "OrthancConfiguration.h"
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38
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39 #include "../Core/DicomParsing/FromDcmtkBridge.h"
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40 #include "../Core/Logging.h"
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41 #include "LuaScripting.h"
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42 #include "ServerContext.h"
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44
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45 namespace Orthanc
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46 {
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47 static void FixQueryLua(DicomMap& query,
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48 ServerContext& context,
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49 const std::string& modality)
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50 {
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51 static const char* LUA_CALLBACK = "OutgoingFindRequestFilter";
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52
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53 LuaScripting::Lock lock(context.GetLuaScripting());
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54
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55 if (lock.GetLua().IsExistingFunction(LUA_CALLBACK))
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56 {
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57 LuaFunctionCall call(lock.GetLua(), LUA_CALLBACK);
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58 call.PushDicom(query);
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59 call.PushJson(modality);
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60 FromDcmtkBridge::ExecuteToDicom(query, call);
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61 }
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62 }
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63
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64
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65 static void FixQueryBuiltin(DicomMap& query,
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66 ModalityManufacturer manufacturer)
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67 {
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68 /**
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69 * Introduce patches for specific manufacturers below.
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70 **/
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71
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72 switch (manufacturer)
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73 {
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74 default:
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75 break;
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76 }
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77 }
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78
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79
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80 void QueryRetrieveHandler::Invalidate()
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81 {
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82 done_ = false;
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83 answers_.Clear();
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84 }
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85
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86
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87 void QueryRetrieveHandler::Run()
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88 {
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89 if (!done_)
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90 {
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91 // Firstly, fix the content of the query for specific manufacturers
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92 DicomMap fixed;
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93 fixed.Assign(query_);
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94 FixQueryBuiltin(fixed, modality_.GetManufacturer());
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95
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96 // Secondly, possibly fix the query with the user-provider Lua callback
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97 FixQueryLua(fixed, context_, modality_.GetApplicationEntityTitle());
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98
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99 {
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100 DicomUserConnection connection(localAet_, modality_);
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101 connection.Open();
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102 connection.Find(answers_, level_, fixed);
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103 }
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104
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105 done_ = true;
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106 }
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107 }
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108
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109
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110 QueryRetrieveHandler::QueryRetrieveHandler(ServerContext& context) :
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111 context_(context),
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112 localAet_(context.GetDefaultLocalApplicationEntityTitle()),
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113 done_(false),
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114 level_(ResourceType_Study),
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115 answers_(false)
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116 {
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117 }
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118
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119
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120 void QueryRetrieveHandler::SetModality(const std::string& symbolicName)
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121 {
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122 Invalidate();
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123 modalityName_ = symbolicName;
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124
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125 {
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126 OrthancConfiguration::ReaderLock lock;
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127 lock.GetConfiguration().GetDicomModalityUsingSymbolicName(modality_, symbolicName);
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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 void QueryRetrieveHandler::SetLevel(ResourceType level)
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133 {
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134 Invalidate();
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135 level_ = level;
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136 }
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137
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138
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139 void QueryRetrieveHandler::SetQuery(const DicomTag& tag,
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140 const std::string& value)
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141 {
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142 Invalidate();
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143 query_.SetValue(tag, value, false);
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144 }
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145
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146
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147 void QueryRetrieveHandler::CopyStringTag(const DicomMap& from,
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148 const DicomTag& tag)
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149 {
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150 const DicomValue* value = from.TestAndGetValue(tag);
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151
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152 if (value == NULL ||
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153 value->IsNull() ||
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154 value->IsBinary())
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155 {
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156 throw OrthancException(ErrorCode_InexistentTag);
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157 }
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158 else
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159 {
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160 SetQuery(tag, value->GetContent());
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161 }
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162 }
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163
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164
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165 size_t QueryRetrieveHandler::GetAnswersCount()
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166 {
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167 Run();
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168 return answers_.GetSize();
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169 }
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170
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171
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172 void QueryRetrieveHandler::GetAnswer(DicomMap& target,
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173 size_t i)
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174 {
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175 Run();
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176 answers_.GetAnswer(i).ExtractDicomSummary(target);
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177 }
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178 }