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comparison OrthancServer/Sources/QueryRetrieveHandler.cpp @ 4044:d25f4c0fa160 framework

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splitting code into OrthancFramework and OrthancServer
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 10 Jun 2020 20:30:34 +0200
parents OrthancServer/QueryRetrieveHandler.cpp@2effa961f67f
children 05b8fd21089c
comparison
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4043:6c6239aec462 4044:d25f4c0fa160
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
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
37 #include "OrthancConfiguration.h"
38
39 #include "../Core/DicomNetworking/DicomControlUserConnection.h"
40 #include "../Core/DicomParsing/FromDcmtkBridge.h"
41 #include "../Core/Logging.h"
42 #include "LuaScripting.h"
43 #include "ServerContext.h"
44
45
46 namespace Orthanc
47 {
48 static void FixQueryLua(DicomMap& query,
49 ServerContext& context,
50 const std::string& modality)
51 {
52 static const char* LUA_CALLBACK = "OutgoingFindRequestFilter";
53
54 LuaScripting::Lock lock(context.GetLuaScripting());
55
56 if (lock.GetLua().IsExistingFunction(LUA_CALLBACK))
57 {
58 LuaFunctionCall call(lock.GetLua(), LUA_CALLBACK);
59 call.PushDicom(query);
60 call.PushJson(modality);
61 FromDcmtkBridge::ExecuteToDicom(query, call);
62 }
63 }
64
65
66 void QueryRetrieveHandler::Invalidate()
67 {
68 done_ = false;
69 answers_.Clear();
70 }
71
72
73 void QueryRetrieveHandler::Run()
74 {
75 if (!done_)
76 {
77 // Firstly, fix the content of the query for specific manufacturers
78 DicomMap fixed;
79 fixed.Assign(query_);
80
81 // Secondly, possibly fix the query with the user-provider Lua callback
82 FixQueryLua(fixed, context_, modality_.GetApplicationEntityTitle());
83
84 {
85 DicomAssociationParameters params(localAet_, modality_);
86 DicomControlUserConnection connection(params);
87 connection.Find(answers_, level_, fixed, findNormalized_);
88 }
89
90 done_ = true;
91 }
92 }
93
94
95 QueryRetrieveHandler::QueryRetrieveHandler(ServerContext& context) :
96 context_(context),
97 localAet_(context.GetDefaultLocalApplicationEntityTitle()),
98 done_(false),
99 level_(ResourceType_Study),
100 answers_(false),
101 findNormalized_(true)
102 {
103 }
104
105
106 void QueryRetrieveHandler::SetModality(const std::string& symbolicName)
107 {
108 Invalidate();
109 modalityName_ = symbolicName;
110
111 {
112 OrthancConfiguration::ReaderLock lock;
113 lock.GetConfiguration().GetDicomModalityUsingSymbolicName(modality_, symbolicName);
114 }
115 }
116
117
118 void QueryRetrieveHandler::SetLevel(ResourceType level)
119 {
120 Invalidate();
121 level_ = level;
122 }
123
124
125 void QueryRetrieveHandler::SetQuery(const DicomTag& tag,
126 const std::string& value)
127 {
128 Invalidate();
129 query_.SetValue(tag, value, false);
130 }
131
132
133 void QueryRetrieveHandler::CopyStringTag(const DicomMap& from,
134 const DicomTag& tag)
135 {
136 const DicomValue* value = from.TestAndGetValue(tag);
137
138 if (value == NULL ||
139 value->IsNull() ||
140 value->IsBinary())
141 {
142 throw OrthancException(ErrorCode_InexistentTag);
143 }
144 else
145 {
146 SetQuery(tag, value->GetContent());
147 }
148 }
149
150
151 size_t QueryRetrieveHandler::GetAnswersCount()
152 {
153 Run();
154 return answers_.GetSize();
155 }
156
157
158 void QueryRetrieveHandler::GetAnswer(DicomMap& target,
159 size_t i)
160 {
161 Run();
162 answers_.GetAnswer(i).ExtractDicomSummary(target);
163 }
164
165
166 void QueryRetrieveHandler::SetFindNormalized(bool normalized)
167 {
168 Invalidate();
169 findNormalized_ = normalized;
170 }
171 }