Mercurial > hg > orthanc
annotate OrthancServer/OrthancGetRequestHandler.cpp @ 3963:3b0c555f16a3
fix msvc2008
author | s.jodogne@gmail.com |
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date | Thu, 21 May 2020 10:47:58 +0200 |
parents | d30eb4ae5bb6 |
children | fde1355a625a |
rev | line source |
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3818 | 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) 2017-2019 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 #include "PrecompiledHeadersServer.h" | |
34 #include "OrthancGetRequestHandler.h" | |
35 | |
36 #include "../../Core/DicomParsing/FromDcmtkBridge.h" | |
37 #include "../Core/DicomFormat/DicomArray.h" | |
38 #include "../Core/Logging.h" | |
39 #include "../Core/MetricsRegistry.h" | |
40 #include "OrthancConfiguration.h" | |
41 #include "ServerContext.h" | |
42 #include "ServerJobs/DicomModalityStoreJob.h" | |
43 | |
3963 | 44 #include <dcmtk/dcmdata/dcdeftag.h> |
45 #include <dcmtk/dcmdata/dcfilefo.h> | |
46 #include <dcmtk/dcmdata/dcistrmb.h> | |
47 #include <dcmtk/dcmnet/assoc.h> | |
48 #include <dcmtk/dcmnet/dimse.h> | |
49 #include <dcmtk/dcmnet/diutil.h> | |
50 #include <dcmtk/ofstd/ofstring.h> | |
51 | |
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52 #include <sstream> // For std::stringstream |
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53 |
3818 | 54 namespace Orthanc |
55 { | |
56 namespace | |
57 { | |
58 // Anonymous namespace to avoid clashes between compilation modules | |
59 | |
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60 static void GetSubOpProgressCallback( |
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61 void * /* callbackData == pointer to the "OrthancGetRequestHandler" object */, |
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62 T_DIMSE_StoreProgress *progress, |
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63 T_DIMSE_C_StoreRQ * /*req*/) |
3818 | 64 { |
65 // SBL - no logging to be done here. | |
66 } | |
67 } | |
68 | |
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69 OrthancGetRequestHandler::Status |
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70 OrthancGetRequestHandler::DoNext(T_ASC_Association* assoc) |
3818 | 71 { |
72 if (position_ >= instances_.size()) | |
73 { | |
74 return Status_Failure; | |
75 } | |
76 | |
77 const std::string& id = instances_[position_++]; | |
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78 |
3818 | 79 std::string dicom; |
80 context_.ReadDicom(dicom, id); | |
81 | |
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82 if (dicom.size() <= 0) |
3818 | 83 { |
84 return Status_Failure; | |
85 } | |
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86 |
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87 std::unique_ptr<DcmFileFormat> parsed( |
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88 FromDcmtkBridge::LoadFromMemoryBuffer(dicom.c_str(), dicom.size())); |
3954 | 89 |
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90 if (parsed.get() == NULL || |
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91 parsed->getDataset() == NULL) |
3954 | 92 { |
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93 throw OrthancException(ErrorCode_InternalError); |
3954 | 94 } |
3818 | 95 |
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96 DcmDataset& dataset = *parsed->getDataset(); |
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97 |
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98 OFString a, b; |
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99 if (!dataset.findAndGetOFString(DCM_SOPClassUID, a).good() || |
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100 !dataset.findAndGetOFString(DCM_SOPInstanceUID, b).good()) |
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101 { |
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102 throw OrthancException(ErrorCode_NoSopClassOrInstance, |
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103 "Unable to determine the SOP class/instance for C-STORE with AET " + |
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104 originatorAet_); |
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105 } |
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106 |
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107 std::string sopClassUid(a.c_str()); |
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108 std::string sopInstanceUid(b.c_str()); |
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109 |
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110 OFCondition cond = PerformGetSubOp(assoc, sopClassUid, sopInstanceUid, parsed.release()); |
3954 | 111 |
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112 if (getCancelled_) |
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113 { |
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114 LOG(INFO) << "C-GET SCP: Received C-Cancel RQ"; |
3818 | 115 } |
116 | |
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117 if (cond.bad() || getCancelled_) |
3818 | 118 { |
119 return Status_Failure; | |
120 } | |
121 | |
122 return Status_Success; | |
123 } | |
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124 |
3818 | 125 |
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126 void OrthancGetRequestHandler::AddFailedUIDInstance(const std::string& sopInstance) |
3818 | 127 { |
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128 if (failedUIDs_.empty()) |
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129 { |
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130 failedUIDs_ = sopInstance; |
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131 } |
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132 else |
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133 { |
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134 failedUIDs_ += "\\" + sopInstance; |
3818 | 135 } |
136 } | |
137 | |
138 | |
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139 static bool SelectPresentationContext(T_ASC_PresentationContextID& selectedPresentationId, |
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140 DicomTransferSyntax& selectedSyntax, |
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141 T_ASC_Association* assoc, |
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142 const std::string& sopClassUid, |
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143 DicomTransferSyntax sourceSyntax, |
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144 bool allowTranscoding) |
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145 { |
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146 typedef std::map<DicomTransferSyntax, T_ASC_PresentationContextID> Accepted; |
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147 |
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148 Accepted accepted; |
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149 |
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150 /** |
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151 * 1. Inspect and index all the accepted transfer syntaxes. This |
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152 * is similar to the code from "DicomAssociation::Open()". |
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153 **/ |
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154 |
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155 LST_HEAD **l = &assoc->params->DULparams.acceptedPresentationContext; |
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156 if (*l != NULL) |
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157 { |
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158 DUL_PRESENTATIONCONTEXT* pc = (DUL_PRESENTATIONCONTEXT*) LST_Head(l); |
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159 LST_Position(l, (LST_NODE*)pc); |
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160 while (pc) |
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161 { |
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162 if (pc->result == ASC_P_ACCEPTANCE && |
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163 std::string(pc->abstractSyntax) == sopClassUid) |
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164 { |
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165 DicomTransferSyntax transferSyntax; |
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166 if (LookupTransferSyntax(transferSyntax, pc->acceptedTransferSyntax)) |
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167 { |
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168 accepted[transferSyntax] = pc->presentationContextID; |
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169 } |
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170 else |
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171 { |
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172 LOG(WARNING) << "C-GET: Unknown transfer syntax received: " |
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173 << pc->acceptedTransferSyntax; |
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174 } |
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175 } |
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176 |
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177 pc = (DUL_PRESENTATIONCONTEXT*) LST_Next(l); |
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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 /** |
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183 * 2. Select the preferred transfer syntaxes, which corresponds to |
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184 * the source transfer syntax, plus all the uncompressed transfer |
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185 * syntaxes if transcoding is enabled. |
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186 **/ |
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187 |
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188 std::list<DicomTransferSyntax> preferred; |
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189 preferred.push_back(sourceSyntax); |
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190 |
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191 if (allowTranscoding) |
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192 { |
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193 if (sourceSyntax != DicomTransferSyntax_LittleEndianImplicit) |
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194 { |
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195 // Default Transfer Syntax for DICOM |
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196 preferred.push_back(DicomTransferSyntax_LittleEndianImplicit); |
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197 } |
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198 |
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199 if (sourceSyntax != DicomTransferSyntax_LittleEndianExplicit) |
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200 { |
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201 preferred.push_back(DicomTransferSyntax_LittleEndianExplicit); |
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202 } |
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203 |
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204 if (sourceSyntax != DicomTransferSyntax_BigEndianExplicit) |
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205 { |
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206 // Retired |
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207 preferred.push_back(DicomTransferSyntax_BigEndianExplicit); |
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208 } |
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209 } |
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210 |
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211 |
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212 /** |
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213 * 3. Lookup whether one of the preferred transfer syntaxes was |
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214 * accepted. |
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215 **/ |
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216 |
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217 for (std::list<DicomTransferSyntax>::const_iterator |
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218 it = preferred.begin(); it != preferred.end(); ++it) |
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219 { |
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220 Accepted::const_iterator found = accepted.find(*it); |
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221 if (found != accepted.end()) |
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222 { |
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223 selectedPresentationId = found->second; |
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224 selectedSyntax = *it; |
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225 return true; |
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226 } |
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227 } |
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228 |
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229 // No preferred syntax was accepted |
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230 return false; |
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231 } |
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232 |
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233 |
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234 OFCondition OrthancGetRequestHandler::PerformGetSubOp(T_ASC_Association* assoc, |
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235 const std::string& sopClassUid, |
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236 const std::string& sopInstanceUid, |
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237 DcmFileFormat* dicomRaw) |
3818 | 238 { |
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239 assert(dicomRaw != NULL); |
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240 std::unique_ptr<DcmFileFormat> dicom(dicomRaw); |
3818 | 241 |
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242 DicomTransferSyntax sourceSyntax; |
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243 if (!FromDcmtkBridge::LookupOrthancTransferSyntax(sourceSyntax, *dicom)) |
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244 { |
3818 | 245 nFailed_++; |
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246 AddFailedUIDInstance(sopInstanceUid); |
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247 LOG(ERROR) << "C-GET SCP: Unknown transfer syntax: (" |
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248 << dcmSOPClassUIDToModality(sopClassUid.c_str(), "OT") << ") " << sopClassUid; |
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249 return DIMSE_NOVALIDPRESENTATIONCONTEXTID; |
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250 } |
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251 |
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252 bool allowTranscoding = (context_.IsTranscodeDicomProtocol() && |
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253 remote_.IsTranscodingAllowed()); |
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254 |
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255 T_ASC_PresentationContextID presId; |
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256 DicomTransferSyntax selectedSyntax; |
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257 if (!SelectPresentationContext(presId, selectedSyntax, assoc, sopClassUid, |
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258 sourceSyntax, allowTranscoding) || |
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259 presId == 0) |
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260 { |
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261 nFailed_++; |
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262 AddFailedUIDInstance(sopInstanceUid); |
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263 LOG(ERROR) << "C-GET SCP: storeSCU: No presentation context for: (" |
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264 << dcmSOPClassUIDToModality(sopClassUid.c_str(), "OT") << ") " << sopClassUid; |
3818 | 265 return DIMSE_NOVALIDPRESENTATIONCONTEXTID; |
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266 } |
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267 else |
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268 { |
3818 | 269 // make sure that we can send images in this presentation context |
270 T_ASC_PresentationContext pc; | |
271 ASC_findAcceptedPresentationContext(assoc->params, presId, &pc); | |
272 // the acceptedRole is the association requestor role | |
3954 | 273 if ((pc.acceptedRole != ASC_SC_ROLE_SCP) && |
274 (pc.acceptedRole != ASC_SC_ROLE_SCUSCP)) | |
3818 | 275 { |
276 // the role is not appropriate | |
277 nFailed_++; | |
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278 AddFailedUIDInstance(sopInstanceUid); |
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279 LOG(ERROR) << "C-GET SCP: storeSCU: [No presentation context with requestor SCP role for: (" |
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280 << dcmSOPClassUIDToModality(sopClassUid.c_str(), "OT") << ") " << sopClassUid; |
3818 | 281 return DIMSE_NOVALIDPRESENTATIONCONTEXTID; |
282 } | |
283 } | |
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284 |
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285 const DIC_US msgId = assoc->nextMsgID++; |
3818 | 286 |
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287 T_DIMSE_C_StoreRQ req; |
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288 memset(&req, 0, sizeof(req)); |
3818 | 289 req.MessageID = msgId; |
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290 strncpy(req.AffectedSOPClassUID, sopClassUid.c_str(), DIC_UI_LEN); |
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291 strncpy(req.AffectedSOPInstanceUID, sopInstanceUid.c_str(), DIC_UI_LEN); |
3818 | 292 req.DataSetType = DIMSE_DATASET_PRESENT; |
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293 req.Priority = DIMSE_PRIORITY_MEDIUM; |
3818 | 294 req.opts = 0; |
295 | |
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296 T_DIMSE_C_StoreRSP rsp; |
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297 memset(&rsp, 0, sizeof(rsp)); |
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298 |
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299 LOG(INFO) << "Store SCU RQ: MsgID " << msgId << ", (" |
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300 << dcmSOPClassUIDToModality(sopClassUid.c_str(), "OT") << ")"; |
3818 | 301 |
302 T_DIMSE_DetectedCancelParameters cancelParameters; | |
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303 memset(&cancelParameters, 0, sizeof(cancelParameters)); |
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304 |
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305 std::unique_ptr<DcmDataset> stDetail; |
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306 |
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307 OFCondition cond; |
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308 |
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309 if (sourceSyntax == selectedSyntax) |
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310 { |
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311 // No transcoding is required |
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312 DcmDataset *stDetailTmp = NULL; |
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313 cond = DIMSE_storeUser( |
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314 assoc, presId, &req, NULL /* imageFileName */, dicom->getDataset(), |
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315 GetSubOpProgressCallback, this /* callbackData */, |
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316 (timeout_ > 0 ? DIMSE_NONBLOCKING : DIMSE_BLOCKING), timeout_, |
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317 &rsp, &stDetailTmp, &cancelParameters); |
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318 stDetail.reset(stDetailTmp); |
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319 } |
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320 else |
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321 { |
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322 // Transcoding to the selected uncompressed transfer syntax |
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323 IDicomTranscoder::DicomImage source, transcoded; |
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324 source.AcquireParsed(dicom.release()); |
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325 |
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326 std::set<DicomTransferSyntax> ts; |
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327 ts.insert(selectedSyntax); |
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328 |
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329 if (context_.Transcode(transcoded, source, ts, true)) |
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330 { |
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331 // Transcoding has succeeded |
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332 DcmDataset *stDetailTmp = NULL; |
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333 cond = DIMSE_storeUser( |
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334 assoc, presId, &req, NULL /* imageFileName */, |
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335 transcoded.GetParsed().getDataset(), |
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336 GetSubOpProgressCallback, this /* callbackData */, |
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337 (timeout_ > 0 ? DIMSE_NONBLOCKING : DIMSE_BLOCKING), timeout_, |
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338 &rsp, &stDetailTmp, &cancelParameters); |
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339 stDetail.reset(stDetailTmp); |
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340 } |
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341 else |
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342 { |
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343 // Cannot transcode |
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344 nFailed_++; |
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345 AddFailedUIDInstance(sopInstanceUid); |
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346 LOG(ERROR) << "C-GET SCP: Cannot transcode " << sopClassUid |
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347 << " from transfer syntax " << GetTransferSyntaxUid(sourceSyntax) |
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348 << " to " << GetTransferSyntaxUid(selectedSyntax); |
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349 return DIMSE_NOVALIDPRESENTATIONCONTEXTID; |
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350 } |
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351 } |
3818 | 352 |
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353 if (cond.good()) |
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354 { |
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355 if (cancelParameters.cancelEncountered) |
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356 { |
3954 | 357 if (origPresId_ == cancelParameters.presId && |
358 origMsgId_ == cancelParameters.req.MessageIDBeingRespondedTo) | |
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359 { |
3818 | 360 getCancelled_ = OFTrue; |
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361 } |
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362 else |
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363 { |
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364 LOG(ERROR) << "C-GET SCP: Unexpected C-Cancel-RQ encountered: pid=" << (int)cancelParameters.presId |
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365 << ", mid=" << (int)cancelParameters.req.MessageIDBeingRespondedTo; |
3818 | 366 } |
367 } | |
368 | |
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369 if (rsp.DimseStatus == STATUS_Success) |
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370 { |
3818 | 371 // everything ok |
372 nCompleted_++; | |
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373 } |
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374 else if ((rsp.DimseStatus & 0xf000) == 0xb000) |
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375 { |
3818 | 376 // a warning status message |
377 warningCount_++; | |
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378 LOG(ERROR) << "C-GET SCP: Store Warning: Response Status: " |
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379 << DU_cstoreStatusString(rsp.DimseStatus); |
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380 } |
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381 else |
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382 { |
3818 | 383 nFailed_++; |
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384 AddFailedUIDInstance(sopInstanceUid); |
3818 | 385 // print a status message |
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386 LOG(ERROR) << "C-GET SCP: Store Failed: Response Status: " |
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387 << DU_cstoreStatusString(rsp.DimseStatus); |
3818 | 388 } |
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389 } |
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390 else |
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391 { |
3818 | 392 nFailed_++; |
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393 AddFailedUIDInstance(sopInstanceUid); |
3818 | 394 OFString temp_str; |
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395 LOG(ERROR) << "C-GET SCP: storeSCU: Store Request Failed: " << DimseCondition::dump(temp_str, cond); |
3818 | 396 } |
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397 |
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398 if (stDetail.get() != NULL) |
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399 { |
3963 | 400 // It is impossible to directly use the "<<" stream construct |
401 // with "DcmObject::PrintHelper" using MSVC2008 | |
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402 std::stringstream s; |
3963 | 403 DcmObject::PrintHelper obj(*stDetail); |
404 obj.dcmobj_.print(s); | |
405 | |
406 LOG(INFO) << " Status Detail: " << s.str(); | |
3818 | 407 } |
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408 |
3818 | 409 return cond; |
410 } | |
411 | |
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412 bool OrthancGetRequestHandler::LookupIdentifiers(std::list<std::string>& publicIds, |
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413 ResourceType level, |
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414 const DicomMap& input) const |
3818 | 415 { |
416 DicomTag tag(0, 0); // Dummy initialization | |
417 | |
418 switch (level) | |
419 { | |
420 case ResourceType_Patient: | |
421 tag = DICOM_TAG_PATIENT_ID; | |
422 break; | |
423 | |
424 case ResourceType_Study: | |
425 tag = (input.HasTag(DICOM_TAG_ACCESSION_NUMBER) ? | |
426 DICOM_TAG_ACCESSION_NUMBER : DICOM_TAG_STUDY_INSTANCE_UID); | |
427 break; | |
428 | |
429 case ResourceType_Series: | |
430 tag = DICOM_TAG_SERIES_INSTANCE_UID; | |
431 break; | |
432 | |
433 case ResourceType_Instance: | |
434 tag = DICOM_TAG_SOP_INSTANCE_UID; | |
435 break; | |
436 | |
437 default: | |
438 throw OrthancException(ErrorCode_ParameterOutOfRange); | |
439 } | |
440 | |
441 if (!input.HasTag(tag)) | |
442 { | |
443 return false; | |
444 } | |
445 | |
446 const DicomValue& value = input.GetValue(tag); | |
447 if (value.IsNull() || | |
448 value.IsBinary()) | |
449 { | |
450 return false; | |
451 } | |
452 else | |
453 { | |
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454 std::vector<std::string> tokens; |
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455 Toolbox::TokenizeString(tokens, value.GetContent(), '\\'); |
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456 |
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457 for (size_t i = 0; i < tokens.size(); i++) |
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458 { |
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459 std::vector<std::string> tmp; |
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460 context_.GetIndex().LookupIdentifierExact(tmp, level, tag, tokens[i]); |
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461 |
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462 if (tmp.empty()) |
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463 { |
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464 LOG(ERROR) << "C-GET: Cannot locate resource \"" << tokens[i] |
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465 << "\" at the " << EnumerationToString(level) << " level"; |
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466 return false; |
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467 } |
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468 else |
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469 { |
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470 for (size_t i = 0; i < tmp.size(); i++) |
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471 { |
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472 publicIds.push_back(tmp[i]); |
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473 } |
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474 } |
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475 } |
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476 |
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477 return true; |
3818 | 478 } |
479 } | |
480 | |
481 | |
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482 OrthancGetRequestHandler::OrthancGetRequestHandler(ServerContext& context) : |
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483 context_(context) |
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484 { |
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485 position_ = 0; |
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486 nRemaining_ = 0; |
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487 nCompleted_ = 0; |
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488 warningCount_ = 0; |
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489 nFailed_ = 0; |
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490 timeout_ = 0; |
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491 } |
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492 |
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493 |
3818 | 494 bool OrthancGetRequestHandler::Handle(const DicomMap& input, |
495 const std::string& originatorIp, | |
496 const std::string& originatorAet, | |
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497 const std::string& calledAet, |
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498 uint32_t timeout) |
3818 | 499 { |
500 MetricsRegistry::Timer timer(context_.GetMetricsRegistry(), "orthanc_get_scp_duration_ms"); | |
501 | |
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502 LOG(WARNING) << "C-GET-SCU request received from AET \"" << originatorAet << "\""; |
3818 | 503 |
504 { | |
505 DicomArray query(input); | |
506 for (size_t i = 0; i < query.GetSize(); i++) | |
507 { | |
508 if (!query.GetElement(i).GetValue().IsNull()) | |
509 { | |
510 LOG(INFO) << " " << query.GetElement(i).GetTag() | |
511 << " " << FromDcmtkBridge::GetTagName(query.GetElement(i)) | |
512 << " = " << query.GetElement(i).GetValue().GetContent(); | |
513 } | |
514 } | |
515 } | |
516 | |
517 /** | |
518 * Retrieve the query level. | |
519 **/ | |
520 | |
521 const DicomValue* levelTmp = input.TestAndGetValue(DICOM_TAG_QUERY_RETRIEVE_LEVEL); | |
522 | |
523 assert(levelTmp != NULL); | |
524 ResourceType level = StringToResourceType(levelTmp->GetContent().c_str()); | |
525 | |
526 | |
527 /** | |
528 * Lookup for the resource to be sent. | |
529 **/ | |
530 | |
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531 std::list<std::string> publicIds; |
3818 | 532 |
3954 | 533 if (!LookupIdentifiers(publicIds, level, input)) |
534 { | |
535 LOG(ERROR) << "Cannot determine what resources are requested by C-GET"; | |
536 return false; | |
537 } | |
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538 |
3818 | 539 localAet_ = context_.GetDefaultLocalApplicationEntityTitle(); |
540 position_ = 0; | |
541 originatorAet_ = originatorAet; | |
542 | |
543 { | |
544 OrthancConfiguration::ReaderLock lock; | |
545 remote_ = lock.GetConfiguration().GetModalityUsingAet(originatorAet); | |
546 } | |
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547 |
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548 for (std::list<std::string>::const_iterator |
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549 resource = publicIds.begin(); resource != publicIds.end(); ++resource) |
3818 | 550 { |
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551 LOG(INFO) << "C-GET: Sending resource " << *resource |
3954 | 552 << " to modality \"" << originatorAet << "\""; |
3818 | 553 |
554 std::list<std::string> tmp; | |
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555 context_.GetIndex().GetChildInstances(tmp, *resource); |
3818 | 556 |
557 instances_.reserve(tmp.size()); | |
558 for (std::list<std::string>::iterator it = tmp.begin(); it != tmp.end(); ++it) | |
559 { | |
560 instances_.push_back(*it); | |
561 } | |
562 } | |
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563 |
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564 failedUIDs_.clear(); |
3818 | 565 getCancelled_ = OFFalse; |
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566 |
3818 | 567 nRemaining_ = GetSubOperationCount(); |
568 nCompleted_ = 0; | |
569 nFailed_ = 0; | |
570 warningCount_ = 0; | |
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571 timeout_ = timeout; |
3818 | 572 |
3954 | 573 return true; |
3818 | 574 } |
575 }; |