Mercurial > hg > orthanc
annotate OrthancServer/Internals/FindScp.cpp @ 2106:09cb73980740
fix
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 17 Oct 2016 15:36:50 +0200 |
parents | 8e67325eaa3f |
children | a657f7772e69 |
rev | line source |
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0 | 1 /** |
62 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
0 | 5 * |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU General Public License as | |
8 * published by the Free Software Foundation, either version 3 of the | |
9 * License, or (at your option) any later version. | |
136 | 10 * |
11 * In addition, as a special exception, the copyright holders of this | |
12 * program give permission to link the code of its release with the | |
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
14 * that use the same license as the "OpenSSL" library), and distribute | |
15 * the linked executables. You must obey the GNU General Public License | |
16 * in all respects for all of the code used other than "OpenSSL". If you | |
17 * modify file(s) with this exception, you may extend this exception to | |
18 * your version of the file(s), but you are not obligated to do so. If | |
19 * you do not wish to do so, delete this exception statement from your | |
20 * version. If you delete this exception statement from all source files | |
21 * in the program, then also delete it here. | |
0 | 22 * |
23 * This program is distributed in the hope that it will be useful, but | |
24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
26 * General Public License for more details. | |
27 * | |
28 * You should have received a copy of the GNU General Public License | |
29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
30 **/ | |
31 | |
32 | |
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33 |
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34 /*========================================================================= |
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35 |
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36 This file is based on portions of the following project: |
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37 |
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38 Program: DCMTK 3.6.0 |
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39 Module: http://dicom.offis.de/dcmtk.php.en |
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40 |
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41 Copyright (C) 1994-2011, OFFIS e.V. |
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42 All rights reserved. |
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43 |
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44 This software and supporting documentation were developed by |
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45 |
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46 OFFIS e.V. |
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47 R&D Division Health |
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48 Escherweg 2 |
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49 26121 Oldenburg, Germany |
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50 |
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51 Redistribution and use in source and binary forms, with or without |
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52 modification, are permitted provided that the following conditions |
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53 are met: |
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54 |
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55 - Redistributions of source code must retain the above copyright |
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56 notice, this list of conditions and the following disclaimer. |
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57 |
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58 - Redistributions in binary form must reproduce the above copyright |
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59 notice, this list of conditions and the following disclaimer in the |
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60 documentation and/or other materials provided with the distribution. |
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61 |
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62 - Neither the name of OFFIS nor the names of its contributors may be |
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63 used to endorse or promote products derived from this software |
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64 without specific prior written permission. |
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65 |
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66 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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67 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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68 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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69 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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70 HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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71 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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72 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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73 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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74 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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75 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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76 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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77 |
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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 #include "../PrecompiledHeadersServer.h" |
0 | 83 #include "FindScp.h" |
84 | |
85 #include "../FromDcmtkBridge.h" | |
86 #include "../ToDcmtkBridge.h" | |
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87 #include "../../Core/Logging.h" |
62 | 88 #include "../../Core/OrthancException.h" |
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89 #include "../OrthancInitialization.h" |
0 | 90 |
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91 #include <dcmtk/dcmdata/dcfilefo.h> |
0 | 92 |
62 | 93 namespace Orthanc |
0 | 94 { |
95 namespace | |
96 { | |
97 struct FindScpData | |
98 { | |
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99 IFindRequestHandler* findHandler_; |
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100 IWorklistRequestHandler* worklistHandler_; |
0 | 101 DicomFindAnswers answers_; |
102 DcmDataset* lastRequest_; | |
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103 const std::string* remoteIp_; |
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104 const std::string* remoteAet_; |
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105 const std::string* calledAet_; |
2059 | 106 |
107 FindScpData() : answers_(false) | |
108 { | |
109 } | |
0 | 110 }; |
111 | |
112 | |
113 void FindScpCallback( | |
114 /* in */ | |
115 void *callbackData, | |
116 OFBool cancelled, | |
117 T_DIMSE_C_FindRQ *request, | |
118 DcmDataset *requestIdentifiers, | |
119 int responseCount, | |
120 /* out */ | |
121 T_DIMSE_C_FindRSP *response, | |
122 DcmDataset **responseIdentifiers, | |
123 DcmDataset **statusDetail) | |
124 { | |
125 bzero(response, sizeof(T_DIMSE_C_FindRSP)); | |
126 *statusDetail = NULL; | |
127 | |
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128 std::string sopClassUid(request->AffectedSOPClassUID); |
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129 |
656 | 130 FindScpData& data = *reinterpret_cast<FindScpData*>(callbackData); |
0 | 131 if (data.lastRequest_ == NULL) |
132 { | |
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133 bool ok = false; |
0 | 134 |
135 try | |
136 { | |
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137 if (sopClassUid == UID_FINDModalityWorklistInformationModel) |
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138 { |
2059 | 139 data.answers_.SetWorklist(true); |
140 | |
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141 if (data.worklistHandler_ != NULL) |
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142 { |
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143 ParsedDicomFile query(*requestIdentifiers); |
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144 data.worklistHandler_->Handle(data.answers_, query, |
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145 *data.remoteIp_, *data.remoteAet_, |
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146 *data.calledAet_); |
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147 ok = true; |
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148 } |
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149 else |
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150 { |
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151 LOG(ERROR) << "No worklist handler is installed, cannot handle this C-FIND request"; |
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152 } |
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153 } |
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154 else |
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155 { |
2059 | 156 data.answers_.SetWorklist(false); |
157 | |
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158 if (data.findHandler_ != NULL) |
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159 { |
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160 std::list<DicomTag> sequencesToReturn; |
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161 |
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162 for (unsigned long i = 0; i < requestIdentifiers->card(); i++) |
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163 { |
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164 DcmElement* element = requestIdentifiers->getElement(i); |
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165 if (element && !element->isLeaf()) |
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166 { |
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167 const DicomTag tag(FromDcmtkBridge::Convert(element->getTag())); |
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168 |
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169 DcmSequenceOfItems& sequence = dynamic_cast<DcmSequenceOfItems&>(*element); |
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170 if (sequence.card() != 0) |
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171 { |
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172 LOG(WARNING) << "Orthanc only supports sequence matching on worklists, " |
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173 << "ignoring C-FIND SCU constraint on tag (" << tag.Format() |
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174 << ") " << FromDcmtkBridge::GetName(tag); |
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175 } |
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176 |
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177 sequencesToReturn.push_back(tag); |
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178 } |
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179 } |
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180 |
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181 DicomMap input; |
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182 FromDcmtkBridge::Convert(input, *requestIdentifiers, ORTHANC_MAXIMUM_TAG_LENGTH, |
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183 Configuration::GetDefaultEncoding()); |
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184 data.findHandler_->Handle(data.answers_, input, sequencesToReturn, |
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185 *data.remoteIp_, *data.remoteAet_, |
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186 *data.calledAet_); |
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187 ok = true; |
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188 } |
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189 else |
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190 { |
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191 LOG(ERROR) << "No C-Find handler is installed, cannot handle this request"; |
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192 } |
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193 } |
0 | 194 } |
62 | 195 catch (OrthancException& e) |
0 | 196 { |
197 // Internal error! | |
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198 LOG(ERROR) << "C-FIND request handler has failed: " << e.What(); |
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199 } |
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200 |
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201 if (!ok) |
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202 { |
0 | 203 response->DimseStatus = STATUS_FIND_Failed_UnableToProcess; |
204 *responseIdentifiers = NULL; | |
205 return; | |
206 } | |
207 | |
208 data.lastRequest_ = requestIdentifiers; | |
209 } | |
210 else if (data.lastRequest_ != requestIdentifiers) | |
211 { | |
212 // Internal error! | |
213 response->DimseStatus = STATUS_FIND_Failed_UnableToProcess; | |
214 *responseIdentifiers = NULL; | |
215 return; | |
216 } | |
722 | 217 |
0 | 218 if (responseCount <= static_cast<int>(data.answers_.GetSize())) |
219 { | |
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220 // There are pending results that are still to be sent |
0 | 221 response->DimseStatus = STATUS_Pending; |
1789 | 222 *responseIdentifiers = data.answers_.ExtractDcmDataset(responseCount - 1); |
0 | 223 } |
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224 else if (data.answers_.IsComplete()) |
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225 { |
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226 // Success: All the results have been sent |
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227 response->DimseStatus = STATUS_Success; |
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228 *responseIdentifiers = NULL; |
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229 } |
0 | 230 else |
231 { | |
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232 // Success, but the results were too numerous and had to be cropped |
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233 LOG(WARNING) << "Too many results for an incoming C-FIND query"; |
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234 response->DimseStatus = STATUS_FIND_Cancel_MatchingTerminatedDueToCancelRequest; |
0 | 235 *responseIdentifiers = NULL; |
236 } | |
237 } | |
238 } | |
239 | |
240 | |
241 OFCondition Internals::findScp(T_ASC_Association * assoc, | |
242 T_DIMSE_Message * msg, | |
243 T_ASC_PresentationContextID presID, | |
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244 IFindRequestHandler* findHandler, |
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245 IWorklistRequestHandler* worklistHandler, |
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246 const std::string& remoteIp, |
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247 const std::string& remoteAet, |
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248 const std::string& calledAet) |
0 | 249 { |
250 FindScpData data; | |
251 data.lastRequest_ = NULL; | |
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252 data.findHandler_ = findHandler; |
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253 data.worklistHandler_ = worklistHandler; |
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254 data.remoteIp_ = &remoteIp; |
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255 data.remoteAet_ = &remoteAet; |
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256 data.calledAet_ = &calledAet; |
0 | 257 |
258 OFCondition cond = DIMSE_findProvider(assoc, presID, &msg->msg.CFindRQ, | |
259 FindScpCallback, &data, | |
260 /*opt_blockMode*/ DIMSE_BLOCKING, | |
261 /*opt_dimse_timeout*/ 0); | |
262 | |
263 // if some error occured, dump corresponding information and remove the outfile if necessary | |
264 if (cond.bad()) | |
265 { | |
266 OFString temp_str; | |
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267 LOG(ERROR) << "Find SCP Failed: " << cond.text(); |
0 | 268 } |
269 | |
270 return cond; | |
271 } | |
272 } |