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annotate OrthancServer/OrthancFindRequestHandler.cpp @ 1859:4e7c318a3f69

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C-FIND SCP will return tags with sequence value representation
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 02 Dec 2015 11:22:05 +0100
parents 36ab170733d6
children 512b6e76f531
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #include "PrecompiledHeadersServer.h"
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34 #include "OrthancFindRequestHandler.h"
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35
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36 #include "../Core/DicomFormat/DicomArray.h"
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37 #include "../Core/Logging.h"
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38 #include "FromDcmtkBridge.h"
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39 #include "OrthancInitialization.h"
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40 #include "Search/LookupResource.h"
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41 #include "ServerToolbox.h"
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42
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43 #include <boost/regex.hpp>
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44
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45
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46 namespace Orthanc
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47 {
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48 static void AddAnswer(DicomFindAnswers& answers,
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49 const Json::Value& resource,
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50 const DicomArray& query,
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51 const std::list<DicomTag>& sequencesToReturn)
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52 {
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53 DicomMap result;
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54
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55 for (size_t i = 0; i < query.GetSize(); i++)
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56 {
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57 if (query.GetElement(i).GetTag() == DICOM_TAG_QUERY_RETRIEVE_LEVEL)
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58 {
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59 // Fix issue 30 on Google Code (QR response missing "Query/Retrieve Level" (008,0052))
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60 result.SetValue(query.GetElement(i).GetTag(), query.GetElement(i).GetValue());
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61 }
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62 else if (query.GetElement(i).GetTag() == DICOM_TAG_SPECIFIC_CHARACTER_SET)
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63 {
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64 // Do not include the encoding, this is handled by class ParsedDicomFile
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65 }
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66 else
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67 {
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68 std::string tag = query.GetElement(i).GetTag().Format();
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69 std::string value;
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70 if (resource.isMember(tag))
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71 {
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72 value = resource.get(tag, Json::arrayValue).get("Value", "").asString();
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73 result.SetValue(query.GetElement(i).GetTag(), value);
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74 }
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75 else
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76 {
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77 result.SetValue(query.GetElement(i).GetTag(), "");
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78 }
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79 }
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80 }
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81
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82 if (result.GetSize() == 0 &&
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83 sequencesToReturn.empty())
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84 {
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85 LOG(WARNING) << "The C-FIND request does not return any DICOM tag";
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86 }
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87 else if (sequencesToReturn.empty())
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88 {
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89 answers.Add(result);
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90 }
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91 else
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92 {
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93 ParsedDicomFile dicom(result);
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94
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95 for (std::list<DicomTag>::const_iterator tag = sequencesToReturn.begin();
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96 tag != sequencesToReturn.end(); ++tag)
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97 {
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98 std::cout << tag->Format();
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99
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100 const Json::Value& source = resource[tag->Format()];
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101
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102 if (source.type() == Json::objectValue &&
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103 source.isMember("Type") &&
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104 source.isMember("Value") &&
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105 source["Type"].asString() == "Sequence" &&
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106 source["Value"].type() == Json::arrayValue)
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107 {
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108 Json::Value content = Json::arrayValue;
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109
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110 for (Json::Value::ArrayIndex i = 0; i < source["Value"].size(); i++)
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111 {
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112 Json::Value item;
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113 Toolbox::SimplifyTags(item, source["Value"][i], DicomToJsonFormat_Short);
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114 content.append(item);
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115 }
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116
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117 dicom.Replace(*tag, content, false);
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118 }
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119 }
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120
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121 answers.Add(dicom);
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122 }
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123 }
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124
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125
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126
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127 bool OrthancFindRequestHandler::FilterQueryTag(std::string& value /* can be modified */,
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128 ResourceType level,
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129 const DicomTag& tag,
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130 ModalityManufacturer manufacturer)
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131 {
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132 switch (manufacturer)
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133 {
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134 case ModalityManufacturer_EFilm2:
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135 // Following Denis Nesterov's mail on 2015-11-30
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136 if (tag == DicomTag(0x0008, 0x0000) || // "GenericGroupLength"
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137 tag == DicomTag(0x0010, 0x0000) || // "GenericGroupLength"
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138 tag == DicomTag(0x0020, 0x0000)) // "GenericGroupLength"
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139 {
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140 return false;
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141 }
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142
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143 break;
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144
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145 case ModalityManufacturer_Vitrea:
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146 // Following Denis Nesterov's mail on 2015-11-30
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147 if (tag == DicomTag(0x5653, 0x0010)) // "PrivateCreator = Vital Images SW 3.4"
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148 {
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149 return false;
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150 }
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151
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152 break;
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153
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154 default:
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155 break;
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156 }
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157
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158 return true;
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159 }
d364926389e0 OrthancFindRequestHandler::FilterQueryTag
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160
d364926389e0 OrthancFindRequestHandler::FilterQueryTag
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161
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30e97a1f4093 callback for handling worklists with plugins
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162 void OrthancFindRequestHandler::Handle(DicomFindAnswers& answers,
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163 const DicomMap& input,
1859
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164 const std::list<DicomTag>& sequencesToReturn,
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165 const std::string& remoteIp,
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166 const std::string& remoteAet,
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167 const std::string& calledAet)
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168 {
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169 /**
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170 * Ensure that the remote modality is known to Orthanc.
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171 **/
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172
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173 RemoteModalityParameters modality;
665
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174
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175 if (!Configuration::LookupDicomModalityUsingAETitle(modality, remoteAet))
1361
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176 {
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177 throw OrthancException(ErrorCode_UnknownModality);
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178 }
806
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179
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180 bool caseSensitivePN = Configuration::GetGlobalBoolParameter("CaseSensitivePN", false);
1374
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181
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182
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183 /**
565
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184 * Retrieve the query level.
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185 **/
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186
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187 const DicomValue* levelTmp = input.TestAndGetValue(DICOM_TAG_QUERY_RETRIEVE_LEVEL);
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188 if (levelTmp == NULL ||
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189 levelTmp->IsNull() ||
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diff changeset
190 levelTmp->IsBinary())
565
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diff changeset
191 {
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diff changeset
192 LOG(ERROR) << "C-FIND request without the tag 0008,0052 (QueryRetrieveLevel)";
565
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193 throw OrthancException(ErrorCode_BadRequest);
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194 }
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195
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diff changeset
196 ResourceType level = StringToResourceType(levelTmp->GetContent().c_str());
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197
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198 if (level != ResourceType_Patient &&
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diff changeset
199 level != ResourceType_Study &&
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diff changeset
200 level != ResourceType_Series &&
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diff changeset
201 level != ResourceType_Instance)
565
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202 {
714
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diff changeset
203 throw OrthancException(ErrorCode_NotImplemented);
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204 }
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diff changeset
205
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diff changeset
206
714
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diff changeset
207 DicomArray query(input);
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diff changeset
208 LOG(INFO) << "DICOM C-Find request at level: " << EnumerationToString(level);
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diff changeset
209
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diff changeset
210 for (size_t i = 0; i < query.GetSize(); i++)
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diff changeset
211 {
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diff changeset
212 if (!query.GetElement(i).GetValue().IsNull())
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diff changeset
213 {
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diff changeset
214 LOG(INFO) << " " << query.GetElement(i).GetTag()
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diff changeset
215 << " " << FromDcmtkBridge::GetName(query.GetElement(i).GetTag())
1737
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diff changeset
216 << " = " << query.GetElement(i).GetValue().GetContent();
714
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diff changeset
217 }
565
c931ac02db82 refactoring of find class
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diff changeset
218 }
c931ac02db82 refactoring of find class
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parents:
diff changeset
219
1859
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diff changeset
220 for (std::list<DicomTag>::const_iterator it = sequencesToReturn.begin();
4e7c318a3f69 C-FIND SCP will return tags with sequence value representation
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diff changeset
221 it != sequencesToReturn.end(); ++it)
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diff changeset
222 {
4e7c318a3f69 C-FIND SCP will return tags with sequence value representation
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diff changeset
223 LOG(INFO) << " (" << it->Format()
4e7c318a3f69 C-FIND SCP will return tags with sequence value representation
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parents: 1856
diff changeset
224 << ") " << FromDcmtkBridge::GetName(*it)
4e7c318a3f69 C-FIND SCP will return tags with sequence value representation
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diff changeset
225 << " : sequence tag whose content will be copied";
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diff changeset
226 }
4e7c318a3f69 C-FIND SCP will return tags with sequence value representation
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parents: 1856
diff changeset
227
565
c931ac02db82 refactoring of find class
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diff changeset
228
c931ac02db82 refactoring of find class
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parents:
diff changeset
229 /**
1361
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diff changeset
230 * Build up the query object.
608
0bedf8ff9288 basic find scp
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diff changeset
231 **/
0bedf8ff9288 basic find scp
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parents: 565
diff changeset
232
1751
fb569ee09a69 LookupResource complete
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parents: 1737
diff changeset
233 LookupResource finder(level);
1759
e268412adcf1 removal of old implementation of search
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parents: 1758
diff changeset
234
1361
94ffb597d297 refactoring of C-Find SCP
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diff changeset
235 for (size_t i = 0; i < query.GetSize(); i++)
714
6a1dbba0cca7 new implementation of C-Find handler
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diff changeset
236 {
1361
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diff changeset
237 const DicomTag tag = query.GetElement(i).GetTag();
714
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diff changeset
238
1361
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diff changeset
239 if (query.GetElement(i).GetValue().IsNull() ||
94ffb597d297 refactoring of C-Find SCP
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parents: 1354
diff changeset
240 tag == DICOM_TAG_QUERY_RETRIEVE_LEVEL ||
94ffb597d297 refactoring of C-Find SCP
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parents: 1354
diff changeset
241 tag == DICOM_TAG_SPECIFIC_CHARACTER_SET)
714
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diff changeset
242 {
1361
94ffb597d297 refactoring of C-Find SCP
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parents: 1354
diff changeset
243 continue;
714
6a1dbba0cca7 new implementation of C-Find handler
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diff changeset
244 }
6a1dbba0cca7 new implementation of C-Find handler
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diff changeset
245
1737
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diff changeset
246 std::string value = query.GetElement(i).GetValue().GetContent();
1429
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diff changeset
247 if (value.size() == 0)
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diff changeset
248 {
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diff changeset
249 // An empty string corresponds to a "*" wildcard constraint, so we ignore it
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diff changeset
250 continue;
7366a0bdda6a attempt of fix for Syngo.Via
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diff changeset
251 }
611
9924aec1d694 filtering on modalities
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parents: 610
diff changeset
252
1851
d364926389e0 OrthancFindRequestHandler::FilterQueryTag
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diff changeset
253 if (FilterQueryTag(value, level, tag, modality.GetManufacturer()))
d364926389e0 OrthancFindRequestHandler::FilterQueryTag
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diff changeset
254 {
d364926389e0 OrthancFindRequestHandler::FilterQueryTag
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diff changeset
255 ValueRepresentation vr = FromDcmtkBridge::GetValueRepresentation(tag);
1758
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parents: 1757
diff changeset
256
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diff changeset
257 // DICOM specifies that searches must be case sensitive, except
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diff changeset
258 // for tags with a PN value representation
d364926389e0 OrthancFindRequestHandler::FilterQueryTag
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diff changeset
259 bool sensitive = true;
d364926389e0 OrthancFindRequestHandler::FilterQueryTag
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260 if (vr == ValueRepresentation_PatientName)
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261 {
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262 sensitive = caseSensitivePN;
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263 }
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264
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265 finder.AddDicomConstraint(tag, value, sensitive);
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266 }
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267 else
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268 {
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269 LOG(INFO) << "Because of a patch for the manufacturer of the remote modality, "
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270 << "ignoring constraint on tag (" << tag.Format() << ") " << FromDcmtkBridge::GetName(tag);
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271 }
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272 }
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273
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274
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275 /**
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276 * Run the query.
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277 **/
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278
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279 size_t maxResults = (level == ResourceType_Instance) ? maxInstances_ : maxResults_;
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280
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281 std::vector<std::string> resources, instances;
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282 context_.GetIndex().FindCandidates(resources, instances, finder);
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283
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284 assert(resources.size() == instances.size());
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285 bool complete = true;
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286
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287 for (size_t i = 0; i < instances.size(); i++)
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288 {
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289 Json::Value dicom;
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290 context_.ReadJson(dicom, instances[i]);
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291
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292 if (finder.IsMatch(dicom))
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293 {
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294 if (maxResults != 0 &&
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295 answers.GetSize() >= maxResults)
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296 {
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297 complete = false;
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298 break;
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299 }
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300 else
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301 {
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302 AddAnswer(answers, dicom, query, sequencesToReturn);
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303 }
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304 }
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305 }
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306
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307 LOG(INFO) << "Number of matching resources: " << answers.GetSize();
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308
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309 answers.SetComplete(complete);
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310 }
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311 }