Mercurial > hg > orthanc
annotate OrthancServer/QueryRetrieveHandler.cpp @ 3520:77bede920d22
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date | Thu, 19 Sep 2019 13:11:11 +0200 |
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1368 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
1368 | 4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium |
1368 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU General Public License as | |
9 * published by the Free Software Foundation, either version 3 of the | |
10 * License, or (at your option) any later version. | |
11 * | |
12 * In addition, as a special exception, the copyright holders of this | |
13 * program give permission to link the code of its release with the | |
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
15 * that use the same license as the "OpenSSL" library), and distribute | |
16 * the linked executables. You must obey the GNU General Public License | |
17 * in all respects for all of the code used other than "OpenSSL". If you | |
18 * modify file(s) with this exception, you may extend this exception to | |
19 * your version of the file(s), but you are not obligated to do so. If | |
20 * you do not wish to do so, delete this exception statement from your | |
21 * version. If you delete this exception statement from all source files | |
22 * in the program, then also delete it here. | |
23 * | |
24 * This program is distributed in the hope that it will be useful, but | |
25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
27 * General Public License for more details. | |
28 * | |
29 * You should have received a copy of the GNU General Public License | |
30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
31 **/ | |
32 | |
33 | |
34 #include "PrecompiledHeadersServer.h" | |
35 #include "QueryRetrieveHandler.h" | |
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" |
3096 | 41 #include "LuaScripting.h" |
42 #include "ServerContext.h" | |
1368 | 43 |
44 | |
45 namespace Orthanc | |
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 |
1368 | 65 void QueryRetrieveHandler::Invalidate() |
66 { | |
67 done_ = false; | |
68 answers_.Clear(); | |
69 } | |
70 | |
71 | |
72 void QueryRetrieveHandler::Run() | |
73 { | |
74 if (!done_) | |
75 { | |
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76 // Firstly, fix the content of the query for specific manufacturers |
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77 DicomMap fixed; |
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78 fixed.Assign(query_); |
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79 |
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80 // Secondly, possibly fix the query with the user-provider Lua callback |
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81 FixQueryLua(fixed, context_, modality_.GetApplicationEntityTitle()); |
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82 |
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83 { |
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84 DicomUserConnection connection(localAet_, modality_); |
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85 connection.Open(); |
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86 connection.Find(answers_, level_, fixed, findNormalized_); |
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87 } |
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88 |
1368 | 89 done_ = true; |
90 } | |
91 } | |
92 | |
93 | |
94 QueryRetrieveHandler::QueryRetrieveHandler(ServerContext& context) : | |
95 context_(context), | |
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96 localAet_(context.GetDefaultLocalApplicationEntityTitle()), |
1368 | 97 done_(false), |
2059 | 98 level_(ResourceType_Study), |
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99 answers_(false), |
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100 findNormalized_(true) |
1368 | 101 { |
102 } | |
103 | |
104 | |
105 void QueryRetrieveHandler::SetModality(const std::string& symbolicName) | |
106 { | |
107 Invalidate(); | |
108 modalityName_ = symbolicName; | |
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109 |
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110 { |
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111 OrthancConfiguration::ReaderLock lock; |
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112 lock.GetConfiguration().GetDicomModalityUsingSymbolicName(modality_, symbolicName); |
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113 } |
1368 | 114 } |
115 | |
116 | |
117 void QueryRetrieveHandler::SetLevel(ResourceType level) | |
118 { | |
119 Invalidate(); | |
120 level_ = level; | |
121 } | |
122 | |
123 | |
124 void QueryRetrieveHandler::SetQuery(const DicomTag& tag, | |
125 const std::string& value) | |
126 { | |
127 Invalidate(); | |
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128 query_.SetValue(tag, value, false); |
1368 | 129 } |
130 | |
131 | |
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132 void QueryRetrieveHandler::CopyStringTag(const DicomMap& from, |
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133 const DicomTag& tag) |
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134 { |
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135 const DicomValue* value = from.TestAndGetValue(tag); |
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136 |
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137 if (value == NULL || |
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138 value->IsNull() || |
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139 value->IsBinary()) |
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140 { |
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141 throw OrthancException(ErrorCode_InexistentTag); |
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142 } |
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143 else |
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144 { |
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145 SetQuery(tag, value->GetContent()); |
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146 } |
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147 } |
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148 |
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149 |
2867 | 150 size_t QueryRetrieveHandler::GetAnswersCount() |
1368 | 151 { |
152 Run(); | |
153 return answers_.GetSize(); | |
154 } | |
155 | |
156 | |
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157 void QueryRetrieveHandler::GetAnswer(DicomMap& target, |
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158 size_t i) |
1368 | 159 { |
160 Run(); | |
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161 answers_.GetAnswer(i).ExtractDicomSummary(target); |
1368 | 162 } |
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163 |
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164 |
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165 void QueryRetrieveHandler::SetFindNormalized(bool normalized) |
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166 { |
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167 Invalidate(); |
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168 findNormalized_ = normalized; |
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169 } |
1368 | 170 } |