Mercurial > hg > orthanc
annotate Core/DicomNetworking/Internals/FindScp.cpp @ 2786:e7a10626645f
Fix incoming DICOM C-Store filtering for JPEG-LS transfer syntaxes
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 25 Jul 2018 13:15:11 +0200 |
parents | 878b59270859 |
children | d924f9bb61cc |
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 |
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5 * Copyright (C) 2017-2018 Osimis S.A., Belgium |
0 | 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. | |
136 | 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. | |
0 | 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 | |
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34 |
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35 /*========================================================================= |
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36 |
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37 This file is based on portions of the following project: |
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38 |
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39 Program: DCMTK 3.6.0 |
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40 Module: http://dicom.offis.de/dcmtk.php.en |
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41 |
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42 Copyright (C) 1994-2011, OFFIS e.V. |
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43 All rights reserved. |
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44 |
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45 This software and supporting documentation were developed by |
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46 |
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47 OFFIS e.V. |
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48 R&D Division Health |
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49 Escherweg 2 |
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50 26121 Oldenburg, Germany |
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51 |
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52 Redistribution and use in source and binary forms, with or without |
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53 modification, are permitted provided that the following conditions |
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54 are met: |
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55 |
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56 - Redistributions of source code must retain the above copyright |
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57 notice, this list of conditions and the following disclaimer. |
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58 |
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59 - Redistributions in binary form must reproduce the above copyright |
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60 notice, this list of conditions and the following disclaimer in the |
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61 documentation and/or other materials provided with the distribution. |
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62 |
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63 - Neither the name of OFFIS nor the names of its contributors may be |
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64 used to endorse or promote products derived from this software |
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65 without specific prior written permission. |
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66 |
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67 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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68 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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69 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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70 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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71 HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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72 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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73 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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74 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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75 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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76 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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77 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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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 |
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83 #include "../../PrecompiledHeaders.h" |
0 | 84 #include "FindScp.h" |
85 | |
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86 #include "../../DicomParsing/FromDcmtkBridge.h" |
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87 #include "../../DicomParsing/ToDcmtkBridge.h" |
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88 #include "../../Logging.h" |
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89 #include "../../OrthancException.h" |
0 | 90 |
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91 #include <dcmtk/dcmdata/dcfilefo.h> |
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92 #include <dcmtk/dcmdata/dcdeftag.h> |
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93 |
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94 |
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95 |
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96 /** |
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97 * The function below is extracted from DCMTK 3.6.0, cf. file |
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98 * "dcmtk-3.6.0/dcmwlm/libsrc/wldsfs.cc". |
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99 **/ |
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100 |
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101 static void HandleExistentButEmptyReferencedStudyOrPatientSequenceAttributes(DcmDataset *dataset, |
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102 const DcmTagKey &sequenceTagKey) |
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103 // Date : May 3, 2005 |
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104 // Author : Thomas Wilkens |
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105 // Task : This function performs a check on a sequence attribute in the given dataset. At two different places |
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106 // in the definition of the DICOM worklist management service, a sequence attribute with a return type |
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107 // of 2 is mentioned containing two 1C attributes in its item; the condition of the two 1C attributes |
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108 // specifies that in case a sequence item is present, then these two attributes must be existent and |
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109 // must contain a value. (I am talking about ReferencedStudySequence and ReferencedPatientSequence.) |
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110 // In cases where the sequence attribute contains exactly one item with an empty ReferencedSOPClass |
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111 // and an empty ReferencedSOPInstance, we want to remove the item from the sequence. This is what |
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112 // this function does. |
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113 // Parameters : dataset - [in] Dataset in which the consistency of the sequence attribute shall be checked. |
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114 // sequenceTagKey - [in] DcmTagKey of the sequence attribute which shall be checked. |
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115 // Return Value : none. |
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116 { |
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117 DcmElement *sequenceAttribute = NULL, *referencedSOPClassUIDAttribute = NULL, *referencedSOPInstanceUIDAttribute = NULL; |
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118 |
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119 // in case the sequence attribute contains exactly one item with an empty |
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120 // ReferencedSOPClassUID and an empty ReferencedSOPInstanceUID, remove the item |
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121 if( dataset->findAndGetElement( sequenceTagKey, sequenceAttribute ).good() && |
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122 ( (DcmSequenceOfItems*)sequenceAttribute )->card() == 1 && |
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123 ( (DcmSequenceOfItems*)sequenceAttribute )->getItem(0)->findAndGetElement( DCM_ReferencedSOPClassUID, referencedSOPClassUIDAttribute ).good() && |
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124 referencedSOPClassUIDAttribute->getLength() == 0 && |
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125 ( (DcmSequenceOfItems*)sequenceAttribute )->getItem(0)->findAndGetElement( DCM_ReferencedSOPInstanceUID, referencedSOPInstanceUIDAttribute, OFFalse ).good() && |
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126 referencedSOPInstanceUIDAttribute->getLength() == 0 ) |
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127 { |
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128 DcmItem *item = ((DcmSequenceOfItems*)sequenceAttribute)->remove( ((DcmSequenceOfItems*)sequenceAttribute)->getItem(0) ); |
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129 delete item; |
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130 } |
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131 } |
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132 |
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133 |
0 | 134 |
62 | 135 namespace Orthanc |
0 | 136 { |
137 namespace | |
138 { | |
139 struct FindScpData | |
140 { | |
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141 DicomServer::IRemoteModalities* modalities_; |
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142 IFindRequestHandler* findHandler_; |
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143 IWorklistRequestHandler* worklistHandler_; |
0 | 144 DicomFindAnswers answers_; |
145 DcmDataset* lastRequest_; | |
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146 const std::string* remoteIp_; |
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147 const std::string* remoteAet_; |
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148 const std::string* calledAet_; |
2059 | 149 |
150 FindScpData() : answers_(false) | |
151 { | |
152 } | |
0 | 153 }; |
154 | |
155 | |
2204
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156 |
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157 static void FixWorklistQuery(ParsedDicomFile& query) |
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158 { |
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159 // TODO: Check out |
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160 // WlmDataSourceFileSystem::HandleExistentButEmptyDescriptionAndCodeSequenceAttributes()" |
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161 // in DCMTK 3.6.0 |
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162 |
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163 DcmDataset* dataset = query.GetDcmtkObject().getDataset(); |
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164 HandleExistentButEmptyReferencedStudyOrPatientSequenceAttributes(dataset, DCM_ReferencedStudySequence); |
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165 HandleExistentButEmptyReferencedStudyOrPatientSequenceAttributes(dataset, DCM_ReferencedPatientSequence); |
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166 } |
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167 |
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168 |
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169 |
0 | 170 void FindScpCallback( |
171 /* in */ | |
172 void *callbackData, | |
173 OFBool cancelled, | |
174 T_DIMSE_C_FindRQ *request, | |
175 DcmDataset *requestIdentifiers, | |
176 int responseCount, | |
177 /* out */ | |
178 T_DIMSE_C_FindRSP *response, | |
179 DcmDataset **responseIdentifiers, | |
180 DcmDataset **statusDetail) | |
181 { | |
182 bzero(response, sizeof(T_DIMSE_C_FindRSP)); | |
183 *statusDetail = NULL; | |
184 | |
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185 std::string sopClassUid(request->AffectedSOPClassUID); |
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186 |
656 | 187 FindScpData& data = *reinterpret_cast<FindScpData*>(callbackData); |
0 | 188 if (data.lastRequest_ == NULL) |
189 { | |
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190 bool ok = false; |
0 | 191 |
192 try | |
193 { | |
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194 RemoteModalityParameters modality; |
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195 |
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196 /** |
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197 * Ensure that the remote modality is known to Orthanc for C-FIND requests. |
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198 **/ |
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199 |
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200 assert(data.modalities_ != NULL); |
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201 if (!data.modalities_->LookupAETitle(modality, *data.remoteAet_)) |
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202 { |
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203 LOG(ERROR) << "Modality with AET \"" << *data.remoteAet_ |
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204 << "\" is not defined in the \"DicomModalities\" configuration option"; |
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205 throw OrthancException(ErrorCode_UnknownModality); |
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206 } |
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207 |
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208 |
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209 if (sopClassUid == UID_FINDModalityWorklistInformationModel) |
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210 { |
2059 | 211 data.answers_.SetWorklist(true); |
212 | |
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213 if (data.worklistHandler_ != NULL) |
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214 { |
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215 ParsedDicomFile query(*requestIdentifiers); |
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216 FixWorklistQuery(query); |
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217 |
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218 data.worklistHandler_->Handle(data.answers_, query, |
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219 *data.remoteIp_, *data.remoteAet_, |
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220 *data.calledAet_, modality.GetManufacturer()); |
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221 ok = true; |
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222 } |
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223 else |
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224 { |
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225 LOG(ERROR) << "No worklist handler is installed, cannot handle this C-FIND request"; |
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226 } |
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227 } |
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228 else |
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229 { |
2059 | 230 data.answers_.SetWorklist(false); |
231 | |
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232 if (data.findHandler_ != NULL) |
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233 { |
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234 std::list<DicomTag> sequencesToReturn; |
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235 |
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236 for (unsigned long i = 0; i < requestIdentifiers->card(); i++) |
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237 { |
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238 DcmElement* element = requestIdentifiers->getElement(i); |
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239 if (element && !element->isLeaf()) |
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240 { |
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241 const DicomTag tag(FromDcmtkBridge::Convert(element->getTag())); |
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242 |
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243 DcmSequenceOfItems& sequence = dynamic_cast<DcmSequenceOfItems&>(*element); |
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244 if (sequence.card() != 0) |
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245 { |
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246 LOG(WARNING) << "Orthanc only supports sequence matching on worklists, " |
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247 << "ignoring C-FIND SCU constraint on tag (" << tag.Format() |
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248 << ") " << FromDcmtkBridge::GetTagName(*element); |
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249 } |
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250 |
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251 sequencesToReturn.push_back(tag); |
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252 } |
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253 } |
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254 |
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255 DicomMap input; |
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256 FromDcmtkBridge::ExtractDicomSummary(input, *requestIdentifiers); |
2125 | 257 |
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258 data.findHandler_->Handle(data.answers_, input, sequencesToReturn, |
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259 *data.remoteIp_, *data.remoteAet_, |
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260 *data.calledAet_, modality.GetManufacturer()); |
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261 ok = true; |
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262 } |
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263 else |
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264 { |
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265 LOG(ERROR) << "No C-Find handler is installed, cannot handle this request"; |
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266 } |
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267 } |
0 | 268 } |
62 | 269 catch (OrthancException& e) |
0 | 270 { |
271 // Internal error! | |
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272 LOG(ERROR) << "C-FIND request handler has failed: " << e.What(); |
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273 } |
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274 |
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275 if (!ok) |
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276 { |
0 | 277 response->DimseStatus = STATUS_FIND_Failed_UnableToProcess; |
278 *responseIdentifiers = NULL; | |
279 return; | |
280 } | |
281 | |
282 data.lastRequest_ = requestIdentifiers; | |
283 } | |
284 else if (data.lastRequest_ != requestIdentifiers) | |
285 { | |
286 // Internal error! | |
287 response->DimseStatus = STATUS_FIND_Failed_UnableToProcess; | |
288 *responseIdentifiers = NULL; | |
289 return; | |
290 } | |
722 | 291 |
0 | 292 if (responseCount <= static_cast<int>(data.answers_.GetSize())) |
293 { | |
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294 // There are pending results that are still to be sent |
0 | 295 response->DimseStatus = STATUS_Pending; |
1789 | 296 *responseIdentifiers = data.answers_.ExtractDcmDataset(responseCount - 1); |
0 | 297 } |
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298 else if (data.answers_.IsComplete()) |
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299 { |
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300 // Success: All the results have been sent |
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301 response->DimseStatus = STATUS_Success; |
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302 *responseIdentifiers = NULL; |
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303 } |
0 | 304 else |
305 { | |
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306 // Success, but the results were too numerous and had to be cropped |
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307 LOG(WARNING) << "Too many results for an incoming C-FIND query"; |
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308 response->DimseStatus = STATUS_FIND_Cancel_MatchingTerminatedDueToCancelRequest; |
0 | 309 *responseIdentifiers = NULL; |
310 } | |
311 } | |
312 } | |
313 | |
314 | |
315 OFCondition Internals::findScp(T_ASC_Association * assoc, | |
316 T_DIMSE_Message * msg, | |
317 T_ASC_PresentationContextID presID, | |
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318 DicomServer::IRemoteModalities& modalities, |
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319 IFindRequestHandler* findHandler, |
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320 IWorklistRequestHandler* worklistHandler, |
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321 const std::string& remoteIp, |
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322 const std::string& remoteAet, |
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323 const std::string& calledAet) |
0 | 324 { |
325 FindScpData data; | |
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326 data.modalities_ = &modalities; |
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327 data.findHandler_ = findHandler; |
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328 data.worklistHandler_ = worklistHandler; |
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329 data.lastRequest_ = NULL; |
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330 data.remoteIp_ = &remoteIp; |
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331 data.remoteAet_ = &remoteAet; |
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332 data.calledAet_ = &calledAet; |
0 | 333 |
334 OFCondition cond = DIMSE_findProvider(assoc, presID, &msg->msg.CFindRQ, | |
335 FindScpCallback, &data, | |
336 /*opt_blockMode*/ DIMSE_BLOCKING, | |
337 /*opt_dimse_timeout*/ 0); | |
338 | |
339 // if some error occured, dump corresponding information and remove the outfile if necessary | |
340 if (cond.bad()) | |
341 { | |
342 OFString temp_str; | |
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343 LOG(ERROR) << "Find SCP Failed: " << cond.text(); |
0 | 344 } |
345 | |
346 return cond; | |
347 } | |
348 } |