Mercurial > hg > orthanc
annotate OrthancServer/QueryRetrieveHandler.cpp @ 2616:2f3007bf0708 jobs
event queues in Lua, serialization of sequence of operations
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 22 May 2018 12:25:37 +0200 |
| parents | 6f9225dcfc32 |
| children | 912a767911b0 |
| rev | line source |
|---|---|
| 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) 2017-2018 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 | |
| 37 #include "OrthancInitialization.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" |
| 1368 | 41 |
| 42 | |
| 43 namespace Orthanc | |
| 44 { | |
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45 static LuaScripting& GetLuaScripting(ServerContext& context) |
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46 { |
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47 // Returns a singleton Lua context |
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48 static boost::mutex mutex_; |
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49 static std::auto_ptr<LuaScripting> lua_; |
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50 |
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51 boost::mutex::scoped_lock lock(mutex_); |
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52 |
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53 if (lua_.get() == NULL) |
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54 { |
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55 LOG(INFO) << "Initializing Lua for QueryRetrieveHandler"; |
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56 lua_.reset(new LuaScripting(context)); |
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57 lua_->LoadGlobalConfiguration(); |
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58 } |
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59 |
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60 return *lua_; |
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61 } |
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62 |
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63 |
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64 static void FixQueryLua(DicomMap& query, |
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65 ServerContext& context, |
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66 const std::string& modality) |
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67 { |
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68 static const char* LUA_CALLBACK = "OutgoingFindRequestFilter"; |
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69 |
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70 LuaScripting::Lock lock(GetLuaScripting(context)); |
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71 |
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72 if (lock.GetLua().IsExistingFunction(LUA_CALLBACK)) |
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73 { |
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74 LuaFunctionCall call(lock.GetLua(), LUA_CALLBACK); |
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75 call.PushDicom(query); |
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76 call.PushJson(modality); |
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77 FromDcmtkBridge::ExecuteToDicom(query, call); |
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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 static void FixQueryBuiltin(DicomMap& query, |
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83 ModalityManufacturer manufacturer) |
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84 { |
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85 /** |
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86 * Introduce patches for specific manufacturers below. |
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87 **/ |
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88 |
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89 switch (manufacturer) |
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90 { |
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91 default: |
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92 break; |
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93 } |
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94 } |
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95 |
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96 |
| 1368 | 97 void QueryRetrieveHandler::Invalidate() |
| 98 { | |
| 99 done_ = false; | |
| 100 answers_.Clear(); | |
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101 connection_.reset(NULL); |
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102 } |
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103 |
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104 |
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105 DicomUserConnection& QueryRetrieveHandler::GetConnection() |
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106 { |
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107 if (connection_.get() == NULL) |
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108 { |
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109 connection_.reset(new DicomUserConnection(localAet_, modality_)); |
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110 connection_->Open(); |
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111 } |
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112 |
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113 return *connection_; |
| 1368 | 114 } |
| 115 | |
| 116 | |
| 117 void QueryRetrieveHandler::Run() | |
| 118 { | |
| 119 if (!done_) | |
| 120 { | |
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121 // Firstly, fix the content of the query for specific manufacturers |
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122 DicomMap fixed; |
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123 fixed.Assign(query_); |
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124 FixQueryBuiltin(fixed, modality_.GetManufacturer()); |
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125 |
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126 // Secondly, possibly fix the query with the user-provider Lua callback |
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127 FixQueryLua(fixed, context_, modality_.GetApplicationEntityTitle()); |
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128 |
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129 GetConnection().Find(answers_, level_, fixed); |
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130 |
| 1368 | 131 done_ = true; |
| 132 } | |
| 133 } | |
| 134 | |
| 135 | |
| 136 QueryRetrieveHandler::QueryRetrieveHandler(ServerContext& context) : | |
| 137 context_(context), | |
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138 localAet_(context.GetDefaultLocalApplicationEntityTitle()), |
| 1368 | 139 done_(false), |
| 2059 | 140 level_(ResourceType_Study), |
| 141 answers_(false) | |
| 1368 | 142 { |
| 143 } | |
| 144 | |
| 145 | |
| 146 void QueryRetrieveHandler::SetModality(const std::string& symbolicName) | |
| 147 { | |
| 148 Invalidate(); | |
| 149 modalityName_ = symbolicName; | |
| 150 Configuration::GetDicomModalityUsingSymbolicName(modality_, symbolicName); | |
| 151 } | |
| 152 | |
| 153 | |
| 154 void QueryRetrieveHandler::SetLevel(ResourceType level) | |
| 155 { | |
| 156 Invalidate(); | |
| 157 level_ = level; | |
| 158 } | |
| 159 | |
| 160 | |
| 161 void QueryRetrieveHandler::SetQuery(const DicomTag& tag, | |
| 162 const std::string& value) | |
| 163 { | |
| 164 Invalidate(); | |
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165 query_.SetValue(tag, value, false); |
| 1368 | 166 } |
| 167 | |
| 168 | |
| 169 size_t QueryRetrieveHandler::GetAnswerCount() | |
| 170 { | |
| 171 Run(); | |
| 172 return answers_.GetSize(); | |
| 173 } | |
| 174 | |
| 175 | |
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176 void QueryRetrieveHandler::GetAnswer(DicomMap& target, |
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177 size_t i) |
| 1368 | 178 { |
| 179 Run(); | |
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180 answers_.GetAnswer(i).ExtractDicomSummary(target); |
| 1368 | 181 } |
| 182 | |
| 183 | |
| 184 void QueryRetrieveHandler::Retrieve(const std::string& target, | |
| 185 size_t i) | |
| 186 { | |
|
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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changeset
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187 DicomMap map; |
|
1b1d5470233f
refactoring of DicomFindAnswers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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188 GetAnswer(map, i); |
|
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getting rid of ReusableDicomConnection in QueryRetrieveHandler and OrthancMoveRequestHandler
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
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189 GetConnection().Move(target, map); |
| 1368 | 190 } |
| 191 | |
| 192 | |
| 193 void QueryRetrieveHandler::Retrieve(const std::string& target) | |
| 194 { | |
| 195 for (size_t i = 0; i < GetAnswerCount(); i++) | |
| 196 { | |
| 197 Retrieve(target, i); | |
| 198 } | |
| 199 } | |
| 200 } |