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annotate OrthancServer/Sources/ServerJobs/DicomGetScuJob.cpp @ 5853:4d932683049d get-scu tip

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very first implementation of C-Get SCU
author Alain Mazy <am@orthanc.team>
date Tue, 29 Oct 2024 17:25:49 +0100
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5853
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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) 2017-2023 Osimis S.A., Belgium
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6 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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8 *
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9 * This program is free software: you can redistribute it and/or
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10 * modify it under the terms of the GNU General Public License as
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11 * published by the Free Software Foundation, either version 3 of the
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12 * License, or (at your option) any later version.
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13 *
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14 * This program is distributed in the hope that it will be useful, but
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15 * WITHOUT ANY WARRANTY; without even the implied warranty of
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16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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17 * General Public License for more details.
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18 *
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19 * You should have received a copy of the GNU General Public License
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20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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21 **/
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22
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23
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24 #include "DicomGetScuJob.h"
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25
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26 #include "../../../OrthancFramework/Sources/DicomParsing/FromDcmtkBridge.h"
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27 #include "../../../OrthancFramework/Sources/SerializationToolbox.h"
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28 #include "../ServerContext.h"
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29 #include <dcmtk/dcmnet/dimse.h>
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30
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31 static const char* const LOCAL_AET = "LocalAet";
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32 static const char* const QUERY = "Query";
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33 static const char* const QUERY_FORMAT = "QueryFormat"; // New in 1.9.5
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34 static const char* const REMOTE = "Remote";
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35 static const char* const TIMEOUT = "Timeout";
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36
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37 namespace Orthanc
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38 {
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39 class DicomGetScuJob::Command : public SetOfCommandsJob::ICommand
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40 {
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41 private:
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42 DicomGetScuJob& that_;
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43 std::unique_ptr<DicomMap> findAnswer_;
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44
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45 public:
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46 Command(DicomGetScuJob& that,
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47 const DicomMap& findAnswer) :
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48 that_(that),
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49 findAnswer_(findAnswer.Clone())
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50 {
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51 }
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52
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53 virtual bool Execute(const std::string& jobId) ORTHANC_OVERRIDE
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54 {
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55 that_.Retrieve(*findAnswer_);
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56 return true;
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57 }
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58
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59 virtual void Serialize(Json::Value& target) const ORTHANC_OVERRIDE
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60 {
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61 findAnswer_->Serialize(target);
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62 }
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63 };
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64
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65
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66 class DicomGetScuJob::Unserializer :
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67 public SetOfCommandsJob::ICommandUnserializer
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68 {
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69 private:
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70 DicomGetScuJob& that_;
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71
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72 public:
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73 explicit Unserializer(DicomGetScuJob& that) :
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74 that_(that)
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75 {
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76 }
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77
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78 virtual ICommand* Unserialize(const Json::Value& source) const ORTHANC_OVERRIDE
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79 {
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80 DicomMap findAnswer;
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81 findAnswer.Unserialize(source);
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82 return new Command(that_, findAnswer);
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83 }
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84 };
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85
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86
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87 static uint16_t InstanceReceivedHandler(void* callbackContext,
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88 DcmDataset& dataset,
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89 const std::string& remoteAet,
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90 const std::string& remoteIp,
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91 const std::string& calledAet)
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92 {
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93 // this code is equivalent to OrthancStoreRequestHandler
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94 ServerContext* context = reinterpret_cast<ServerContext*>(callbackContext);
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95
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96 std::unique_ptr<DicomInstanceToStore> toStore(DicomInstanceToStore::CreateFromDcmDataset(dataset));
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97
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98 if (toStore->GetBufferSize() > 0)
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99 {
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100 toStore->SetOrigin(DicomInstanceOrigin::FromDicomProtocol
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101 (remoteIp.c_str(), remoteAet.c_str(), calledAet.c_str()));
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102
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103 std::string id;
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104 ServerContext::StoreResult result = context->Store(id, *toStore, StoreInstanceMode_Default);
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105 return result.GetCStoreStatusCode();
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106 }
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107
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108 return STATUS_STORE_Error_CannotUnderstand;
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109 }
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110
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111 void DicomGetScuJob::Retrieve(const DicomMap& findAnswer)
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112 {
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113 if (connection_.get() == NULL)
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114 {
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115 connection_.reset(new DicomControlUserConnection(parameters_));
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116 }
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117
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118 connection_->Get(findAnswer, InstanceReceivedHandler, &context_);
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119 }
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120
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121 void DicomGetScuJob::AddResourceToRetrieve(ResourceType level, const std::string& dicomId)
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122 {
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123 // TODO-GET: when retrieving a single series, one must provide the StudyInstanceUID too
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124 DicomMap item;
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125
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126 switch (level)
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127 {
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128 case ResourceType_Patient:
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129 item.SetValue(DICOM_TAG_QUERY_RETRIEVE_LEVEL, ResourceTypeToDicomQueryRetrieveLevel(level), false);
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130 item.SetValue(DICOM_TAG_PATIENT_ID, dicomId, false);
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131 break;
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132
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133 case ResourceType_Study:
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134 item.SetValue(DICOM_TAG_QUERY_RETRIEVE_LEVEL, ResourceTypeToDicomQueryRetrieveLevel(level), false);
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135 item.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, dicomId, false);
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136 break;
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137
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138 case ResourceType_Series:
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139 item.SetValue(DICOM_TAG_QUERY_RETRIEVE_LEVEL, ResourceTypeToDicomQueryRetrieveLevel(level), false);
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140 item.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, dicomId, false);
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141 break;
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142
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143 case ResourceType_Instance:
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144 item.SetValue(DICOM_TAG_QUERY_RETRIEVE_LEVEL, ResourceTypeToDicomQueryRetrieveLevel(level), false);
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145 item.SetValue(DICOM_TAG_SOP_INSTANCE_UID, dicomId, false);
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146 break;
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147
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148 default:
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149 throw OrthancException(ErrorCode_InternalError);
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150 }
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151 query_.Add(item);
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152
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153 AddCommand(new Command(*this, item));
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154 }
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155
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156 void DicomGetScuJob::SetLocalAet(const std::string& aet)
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157 {
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158 if (IsStarted())
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159 {
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160 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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161 }
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162 else
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163 {
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164 parameters_.SetLocalApplicationEntityTitle(aet);
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165 }
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166 }
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167
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168
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169 void DicomGetScuJob::SetRemoteModality(const RemoteModalityParameters& remote)
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170 {
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171 if (IsStarted())
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172 {
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173 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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174 }
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175 else
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176 {
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177 parameters_.SetRemoteModality(remote);
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178 }
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179 }
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180
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181
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182 void DicomGetScuJob::SetTimeout(uint32_t seconds)
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183 {
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184 if (IsStarted())
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185 {
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186 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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187 }
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188 else
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189 {
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190 parameters_.SetTimeout(seconds);
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191 }
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192 }
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193
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194
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195 void DicomGetScuJob::Stop(JobStopReason reason)
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196 {
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197 connection_.reset();
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198 }
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199
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200
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201 void DicomGetScuJob::SetQueryFormat(DicomToJsonFormat format)
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202 {
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203 if (IsStarted())
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204 {
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205 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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206 }
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207 else
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208 {
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209 queryFormat_ = format;
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210 }
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211 }
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parents:
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212
4d932683049d very first implementation of C-Get SCU
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parents:
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213
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214 void DicomGetScuJob::GetPublicContent(Json::Value& value)
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215 {
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216 SetOfCommandsJob::GetPublicContent(value);
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217
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218 value[LOCAL_AET] = parameters_.GetLocalApplicationEntityTitle();
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219 value["RemoteAet"] = parameters_.GetRemoteModality().GetApplicationEntityTitle();
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220
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221 value[QUERY] = Json::objectValue;
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222 // query_.ToJson(value[QUERY], queryFormat_);
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223 }
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224
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parents:
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225
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226 DicomGetScuJob::DicomGetScuJob(ServerContext& context,
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227 const Json::Value& serialized) :
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228 SetOfCommandsJob(new Unserializer(*this), serialized),
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229 context_(context),
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230 parameters_(DicomAssociationParameters::UnserializeJob(serialized)),
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231 // targetAet_(SerializationToolbox::ReadString(serialized, TARGET_AET)),
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232 query_(true),
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233 queryFormat_(DicomToJsonFormat_Short)
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234 {
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235 if (serialized.isMember(QUERY))
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236 {
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237 const Json::Value& query = serialized[QUERY];
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238 if (query.type() == Json::arrayValue)
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239 {
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240 for (Json::Value::ArrayIndex i = 0; i < query.size(); i++)
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241 {
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242 DicomMap item;
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diff changeset
243 FromDcmtkBridge::FromJson(item, query[i]);
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244 // AddToQuery(query_, item);
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245 }
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parents:
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246 }
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parents:
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247 }
4d932683049d very first implementation of C-Get SCU
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248
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parents:
diff changeset
249 if (serialized.isMember(QUERY_FORMAT))
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250 {
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251 queryFormat_ = StringToDicomToJsonFormat(SerializationToolbox::ReadString(serialized, QUERY_FORMAT));
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252 }
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253 }
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parents:
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254
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parents:
diff changeset
255
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parents:
diff changeset
256 bool DicomGetScuJob::Serialize(Json::Value& target)
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diff changeset
257 {
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parents:
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258 if (!SetOfCommandsJob::Serialize(target))
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diff changeset
259 {
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260 return false;
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diff changeset
261 }
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parents:
diff changeset
262 else
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parents:
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263 {
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diff changeset
264 parameters_.SerializeJob(target);
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265 // target[TARGET_AET] = targetAet_;
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266
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267 // "Short" is for compatibility with Orthanc <= 1.9.4
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268 target[QUERY] = Json::objectValue;
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269 // query_.ToJson(target[QUERY], DicomToJsonFormat_Short);
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270
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diff changeset
271 target[QUERY_FORMAT] = EnumerationToString(queryFormat_);
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272
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273 return true;
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274 }
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275 }
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276 }