Mercurial > hg > orthanc

annotate OrthancServer/QueryRetrieveHandler.cpp @ 2986:b1ba0a8311b5

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exploring hierarchy of C-FIND answers finished
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 10 Dec 2018 10:03:41 +0100
parents 4767d36679ed
children 4e43e67f8ecf
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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) 2017-2018 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
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42
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43 namespace Orthanc
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44 {
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45 static void FixQueryLua(DicomMap& query,
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46 ServerContext& context,
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47 const std::string& modality)
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48 {
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49 static const char* LUA_CALLBACK = "OutgoingFindRequestFilter";
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50
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51 LuaScripting::Lock lock(context.GetLuaScripting());
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52
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53 if (lock.GetLua().IsExistingFunction(LUA_CALLBACK))
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54 {
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55 LuaFunctionCall call(lock.GetLua(), LUA_CALLBACK);
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56 call.PushDicom(query);
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57 call.PushJson(modality);
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58 FromDcmtkBridge::ExecuteToDicom(query, call);
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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 static void FixQueryBuiltin(DicomMap& query,
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64 ModalityManufacturer manufacturer)
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65 {
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66 /**
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67 * Introduce patches for specific manufacturers below.
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68 **/
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69
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70 switch (manufacturer)
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71 {
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72 default:
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73 break;
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74 }
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75 }
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77
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78 void QueryRetrieveHandler::Invalidate()
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79 {
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80 done_ = false;
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81 answers_.Clear();
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82 }
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83
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84
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85 void QueryRetrieveHandler::Run()
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86 {
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87 if (!done_)
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88 {
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89 // Firstly, fix the content of the query for specific manufacturers
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90 DicomMap fixed;
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91 fixed.Assign(query_);
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92 FixQueryBuiltin(fixed, modality_.GetManufacturer());
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93
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94 // Secondly, possibly fix the query with the user-provider Lua callback
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95 FixQueryLua(fixed, context_, modality_.GetApplicationEntityTitle());
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96
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97 {
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98 DicomUserConnection connection(localAet_, modality_);
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99 connection.Open();
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100 connection.Find(answers_, level_, fixed);
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101 }
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102
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103 done_ = true;
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104 }
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105 }
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106
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107
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108 QueryRetrieveHandler::QueryRetrieveHandler(ServerContext& context) :
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109 context_(context),
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110 localAet_(context.GetDefaultLocalApplicationEntityTitle()),
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111 done_(false),
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112 level_(ResourceType_Study),
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113 answers_(false)
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114 {
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115 }
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116
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117
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118 void QueryRetrieveHandler::SetModality(const std::string& symbolicName)
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119 {
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120 Invalidate();
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121 modalityName_ = symbolicName;
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122
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123 {
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124 OrthancConfiguration::ReaderLock lock;
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125 lock.GetConfiguration().GetDicomModalityUsingSymbolicName(modality_, symbolicName);
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126 }
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127 }
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128
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129
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130 void QueryRetrieveHandler::SetLevel(ResourceType level)
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131 {
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132 Invalidate();
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133 level_ = level;
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134 }
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135
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136
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137 void QueryRetrieveHandler::SetQuery(const DicomTag& tag,
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138 const std::string& value)
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139 {
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140 Invalidate();
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141 query_.SetValue(tag, value, false);
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142 }
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143
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144
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145 void QueryRetrieveHandler::CopyStringTag(const DicomMap& from,
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146 const DicomTag& tag)
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147 {
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148 const DicomValue* value = from.TestAndGetValue(tag);
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149
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150 if (value == NULL ||
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151 value->IsNull() ||
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152 value->IsBinary())
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153 {
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154 throw OrthancException(ErrorCode_InexistentTag);
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155 }
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156 else
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157 {
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158 SetQuery(tag, value->GetContent());
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159 }
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160 }
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161
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162
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163 size_t QueryRetrieveHandler::GetAnswersCount()
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164 {
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165 Run();
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166 return answers_.GetSize();
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167 }
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168
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169
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170 void QueryRetrieveHandler::GetAnswer(DicomMap& target,
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171 size_t i)
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172 {
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173 Run();
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174 answers_.GetAnswer(i).ExtractDicomSummary(target);
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175 }
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176 }