Mercurial > hg > orthanc
annotate OrthancServer/Internals/CommandDispatcher.cpp @ 983:80d4f1618b33 plugins
Sample plugin to replace DCMTK by GDCM when decoding images
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 01 Jul 2014 12:01:58 +0200 |
| parents | 84513f2ee1f3 |
| children | 01414536c930 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 62 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
| 689 | 3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, |
| 0 | 4 * Belgium |
| 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 |
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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 #include "../PrecompiledHeadersServer.h" |
| 0 | 83 #include "CommandDispatcher.h" |
| 84 | |
| 85 #include "FindScp.h" | |
| 86 #include "StoreScp.h" | |
| 87 #include "MoveScp.h" | |
| 88 #include "../../Core/Toolbox.h" | |
| 89 | |
| 90 #include <dcmtk/dcmnet/dcasccfg.h> /* for class DcmAssociationConfiguration */ | |
| 101 | 91 #include <boost/lexical_cast.hpp> |
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92 #include <glog/logging.h> |
| 0 | 93 |
| 503 | 94 #define ORTHANC_PROMISCUOUS 1 |
| 95 | |
| 0 | 96 static OFBool opt_rejectWithoutImplementationUID = OFFalse; |
| 97 | |
| 98 | |
| 503 | 99 |
| 100 #if ORTHANC_PROMISCUOUS == 1 | |
| 101 static | |
| 102 DUL_PRESENTATIONCONTEXT * | |
| 103 findPresentationContextID(LST_HEAD * head, | |
| 104 T_ASC_PresentationContextID presentationContextID) | |
| 105 { | |
| 106 DUL_PRESENTATIONCONTEXT *pc; | |
| 107 LST_HEAD **l; | |
| 108 OFBool found = OFFalse; | |
| 109 | |
| 110 if (head == NULL) | |
| 111 return NULL; | |
| 112 | |
| 113 l = &head; | |
| 114 if (*l == NULL) | |
| 115 return NULL; | |
| 116 | |
| 117 pc = OFstatic_cast(DUL_PRESENTATIONCONTEXT *, LST_Head(l)); | |
| 118 (void)LST_Position(l, OFstatic_cast(LST_NODE *, pc)); | |
| 119 | |
| 120 while (pc && !found) { | |
| 121 if (pc->presentationContextID == presentationContextID) { | |
| 122 found = OFTrue; | |
| 123 } else { | |
| 124 pc = OFstatic_cast(DUL_PRESENTATIONCONTEXT *, LST_Next(l)); | |
| 125 } | |
| 126 } | |
| 127 return pc; | |
| 128 } | |
| 129 | |
| 130 | |
| 131 /** accept all presenstation contexts for unknown SOP classes, | |
| 132 * i.e. UIDs appearing in the list of abstract syntaxes | |
| 133 * where no corresponding name is defined in the UID dictionary. | |
| 134 * @param params pointer to association parameters structure | |
| 135 * @param transferSyntax transfer syntax to accept | |
| 136 * @param acceptedRole SCU/SCP role to accept | |
| 137 */ | |
| 138 static OFCondition acceptUnknownContextsWithTransferSyntax( | |
| 139 T_ASC_Parameters * params, | |
| 140 const char* transferSyntax, | |
| 141 T_ASC_SC_ROLE acceptedRole) | |
| 142 { | |
| 143 OFCondition cond = EC_Normal; | |
| 144 int n, i, k; | |
| 145 DUL_PRESENTATIONCONTEXT *dpc; | |
| 146 T_ASC_PresentationContext pc; | |
| 147 OFBool accepted = OFFalse; | |
| 148 OFBool abstractOK = OFFalse; | |
| 149 | |
| 150 n = ASC_countPresentationContexts(params); | |
| 151 for (i = 0; i < n; i++) | |
| 152 { | |
| 153 cond = ASC_getPresentationContext(params, i, &pc); | |
| 154 if (cond.bad()) return cond; | |
| 155 abstractOK = OFFalse; | |
| 156 accepted = OFFalse; | |
| 157 | |
| 158 if (dcmFindNameOfUID(pc.abstractSyntax) == NULL) | |
| 159 { | |
| 160 abstractOK = OFTrue; | |
| 161 | |
| 162 /* check the transfer syntax */ | |
| 163 for (k = 0; (k < OFstatic_cast(int, pc.transferSyntaxCount)) && !accepted; k++) | |
| 164 { | |
| 165 if (strcmp(pc.proposedTransferSyntaxes[k], transferSyntax) == 0) | |
| 166 { | |
| 167 accepted = OFTrue; | |
| 168 } | |
| 169 } | |
| 170 } | |
| 171 | |
| 172 if (accepted) | |
| 173 { | |
| 174 cond = ASC_acceptPresentationContext( | |
| 175 params, pc.presentationContextID, | |
| 176 transferSyntax, acceptedRole); | |
| 177 if (cond.bad()) return cond; | |
| 178 } else { | |
| 179 T_ASC_P_ResultReason reason; | |
| 180 | |
| 181 /* do not refuse if already accepted */ | |
| 182 dpc = findPresentationContextID(params->DULparams.acceptedPresentationContext, | |
| 183 pc.presentationContextID); | |
| 184 if ((dpc == NULL) || ((dpc != NULL) && (dpc->result != ASC_P_ACCEPTANCE))) | |
| 185 { | |
| 186 | |
| 187 if (abstractOK) { | |
| 188 reason = ASC_P_TRANSFERSYNTAXESNOTSUPPORTED; | |
| 189 } else { | |
| 190 reason = ASC_P_ABSTRACTSYNTAXNOTSUPPORTED; | |
| 191 } | |
| 192 /* | |
| 193 * If previously this presentation context was refused | |
| 194 * because of bad transfer syntax let it stay that way. | |
| 195 */ | |
| 196 if ((dpc != NULL) && (dpc->result == ASC_P_TRANSFERSYNTAXESNOTSUPPORTED)) | |
| 197 reason = ASC_P_TRANSFERSYNTAXESNOTSUPPORTED; | |
| 198 | |
| 199 cond = ASC_refusePresentationContext(params, pc.presentationContextID, reason); | |
| 200 if (cond.bad()) return cond; | |
| 201 } | |
| 202 } | |
| 203 } | |
| 204 return EC_Normal; | |
| 205 } | |
| 206 | |
| 207 | |
| 208 /** accept all presenstation contexts for unknown SOP classes, | |
| 209 * i.e. UIDs appearing in the list of abstract syntaxes | |
| 210 * where no corresponding name is defined in the UID dictionary. | |
| 211 * This method is passed a list of "preferred" transfer syntaxes. | |
| 212 * @param params pointer to association parameters structure | |
| 213 * @param transferSyntax transfer syntax to accept | |
| 214 * @param acceptedRole SCU/SCP role to accept | |
| 215 */ | |
| 216 static OFCondition acceptUnknownContextsWithPreferredTransferSyntaxes( | |
| 217 T_ASC_Parameters * params, | |
| 218 const char* transferSyntaxes[], int transferSyntaxCount, | |
| 219 T_ASC_SC_ROLE acceptedRole = ASC_SC_ROLE_DEFAULT) | |
| 220 { | |
| 221 OFCondition cond = EC_Normal; | |
| 222 /* | |
| 223 ** Accept in the order "least wanted" to "most wanted" transfer | |
| 224 ** syntax. Accepting a transfer syntax will override previously | |
| 225 ** accepted transfer syntaxes. | |
| 226 */ | |
| 227 for (int i = transferSyntaxCount - 1; i >= 0; i--) | |
| 228 { | |
| 229 cond = acceptUnknownContextsWithTransferSyntax(params, transferSyntaxes[i], acceptedRole); | |
| 230 if (cond.bad()) return cond; | |
| 231 } | |
| 232 return cond; | |
| 233 } | |
| 234 #endif | |
| 235 | |
| 236 | |
| 62 | 237 namespace Orthanc |
| 0 | 238 { |
| 239 namespace Internals | |
| 240 { | |
| 241 OFCondition AssociationCleanup(T_ASC_Association *assoc) | |
| 242 { | |
| 243 OFString temp_str; | |
| 244 OFCondition cond = ASC_dropSCPAssociation(assoc); | |
| 245 if (cond.bad()) | |
| 246 { | |
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247 LOG(FATAL) << cond.text(); |
| 0 | 248 return cond; |
| 249 } | |
| 250 | |
| 251 cond = ASC_destroyAssociation(&assoc); | |
| 252 if (cond.bad()) | |
| 253 { | |
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254 LOG(FATAL) << cond.text(); |
| 0 | 255 return cond; |
| 256 } | |
| 257 | |
| 258 return cond; | |
| 259 } | |
| 260 | |
| 261 | |
| 262 | |
| 263 CommandDispatcher* AcceptAssociation(const DicomServer& server, T_ASC_Network *net) | |
| 264 { | |
| 265 DcmAssociationConfiguration asccfg; | |
| 266 char buf[BUFSIZ]; | |
| 267 T_ASC_Association *assoc; | |
| 268 OFCondition cond; | |
| 269 OFString sprofile; | |
| 270 OFString temp_str; | |
| 271 | |
| 272 std::vector<const char*> knownAbstractSyntaxes; | |
| 273 | |
| 274 // For C-STORE | |
| 275 if (server.HasStoreRequestHandlerFactory()) | |
| 276 { | |
| 277 knownAbstractSyntaxes.push_back(UID_VerificationSOPClass); | |
| 278 } | |
| 279 | |
| 280 // For C-FIND | |
| 281 if (server.HasFindRequestHandlerFactory()) | |
| 282 { | |
| 283 knownAbstractSyntaxes.push_back(UID_FINDPatientRootQueryRetrieveInformationModel); | |
| 284 knownAbstractSyntaxes.push_back(UID_FINDStudyRootQueryRetrieveInformationModel); | |
| 285 } | |
| 286 | |
| 287 // For C-MOVE | |
| 288 if (server.HasMoveRequestHandlerFactory()) | |
| 289 { | |
| 290 knownAbstractSyntaxes.push_back(UID_MOVEStudyRootQueryRetrieveInformationModel); | |
| 665 | 291 knownAbstractSyntaxes.push_back(UID_MOVEPatientRootQueryRetrieveInformationModel); |
| 0 | 292 } |
| 293 | |
| 294 cond = ASC_receiveAssociation(net, &assoc, | |
| 295 /*opt_maxPDU*/ ASC_DEFAULTMAXPDU, | |
| 296 NULL, NULL, | |
| 297 /*opt_secureConnection*/ OFFalse, | |
| 298 DUL_NOBLOCK, 1); | |
| 299 | |
| 300 if (cond == DUL_NOASSOCIATIONREQUEST) | |
| 301 { | |
| 302 // Timeout | |
| 303 AssociationCleanup(assoc); | |
| 304 return NULL; | |
| 305 } | |
| 306 | |
| 307 // if some kind of error occured, take care of it | |
| 308 if (cond.bad()) | |
| 309 { | |
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310 LOG(ERROR) << "Receiving Association failed: " << cond.text(); |
| 0 | 311 // no matter what kind of error occurred, we need to do a cleanup |
| 312 AssociationCleanup(assoc); | |
| 313 return NULL; | |
| 314 } | |
| 315 | |
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316 LOG(INFO) << "Association Received"; |
| 0 | 317 |
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318 std::vector<const char*> transferSyntaxes; |
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319 |
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320 // This is the list of the transfer syntaxes that were supported up to Orthanc 0.7.1 |
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321 transferSyntaxes.push_back(UID_LittleEndianExplicitTransferSyntax); |
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322 transferSyntaxes.push_back(UID_BigEndianExplicitTransferSyntax); |
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323 transferSyntaxes.push_back(UID_LittleEndianImplicitTransferSyntax); |
| 665 | 324 |
| 325 // New transfer syntaxes supported since Orthanc 0.7.2 | |
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326 transferSyntaxes.push_back(UID_DeflatedExplicitVRLittleEndianTransferSyntax); |
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327 transferSyntaxes.push_back(UID_JPEGProcess1TransferSyntax); |
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328 transferSyntaxes.push_back(UID_JPEGProcess2_4TransferSyntax); |
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329 transferSyntaxes.push_back(UID_JPEGProcess3_5TransferSyntax); |
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330 transferSyntaxes.push_back(UID_JPEGProcess6_8TransferSyntax); |
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331 transferSyntaxes.push_back(UID_JPEGProcess7_9TransferSyntax); |
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332 transferSyntaxes.push_back(UID_JPEGProcess10_12TransferSyntax); |
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333 transferSyntaxes.push_back(UID_JPEGProcess11_13TransferSyntax); |
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334 transferSyntaxes.push_back(UID_JPEGProcess14TransferSyntax); |
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335 transferSyntaxes.push_back(UID_JPEGProcess15TransferSyntax); |
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336 transferSyntaxes.push_back(UID_JPEGProcess16_18TransferSyntax); |
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337 transferSyntaxes.push_back(UID_JPEGProcess17_19TransferSyntax); |
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338 transferSyntaxes.push_back(UID_JPEGProcess20_22TransferSyntax); |
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339 transferSyntaxes.push_back(UID_JPEGProcess21_23TransferSyntax); |
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340 transferSyntaxes.push_back(UID_JPEGProcess24_26TransferSyntax); |
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341 transferSyntaxes.push_back(UID_JPEGProcess25_27TransferSyntax); |
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342 transferSyntaxes.push_back(UID_JPEGProcess28TransferSyntax); |
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343 transferSyntaxes.push_back(UID_JPEGProcess29TransferSyntax); |
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344 transferSyntaxes.push_back(UID_JPEGProcess14SV1TransferSyntax); |
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345 transferSyntaxes.push_back(UID_JPEGLSLosslessTransferSyntax); |
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346 transferSyntaxes.push_back(UID_JPEGLSLossyTransferSyntax); |
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347 transferSyntaxes.push_back(UID_JPEG2000LosslessOnlyTransferSyntax); |
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348 transferSyntaxes.push_back(UID_JPEG2000TransferSyntax); |
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349 transferSyntaxes.push_back(UID_JPEG2000Part2MulticomponentImageCompressionLosslessOnlyTransferSyntax); |
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350 transferSyntaxes.push_back(UID_JPEG2000Part2MulticomponentImageCompressionTransferSyntax); |
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351 transferSyntaxes.push_back(UID_JPIPReferencedTransferSyntax); |
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352 transferSyntaxes.push_back(UID_JPIPReferencedDeflateTransferSyntax); |
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353 transferSyntaxes.push_back(UID_MPEG2MainProfileAtMainLevelTransferSyntax); |
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354 transferSyntaxes.push_back(UID_MPEG2MainProfileAtHighLevelTransferSyntax); |
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355 transferSyntaxes.push_back(UID_RLELosslessTransferSyntax); |
| 0 | 356 |
| 357 /* accept the Verification SOP Class if presented */ | |
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358 cond = ASC_acceptContextsWithPreferredTransferSyntaxes( assoc->params, &knownAbstractSyntaxes[0], knownAbstractSyntaxes.size(), &transferSyntaxes[0], transferSyntaxes.size()); |
| 0 | 359 if (cond.bad()) |
| 360 { | |
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361 LOG(INFO) << cond.text(); |
| 0 | 362 AssociationCleanup(assoc); |
| 363 return NULL; | |
| 364 } | |
| 365 | |
| 366 /* the array of Storage SOP Class UIDs comes from dcuid.h */ | |
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367 cond = ASC_acceptContextsWithPreferredTransferSyntaxes( assoc->params, dcmAllStorageSOPClassUIDs, numberOfAllDcmStorageSOPClassUIDs, &transferSyntaxes[0], transferSyntaxes.size()); |
| 0 | 368 if (cond.bad()) |
| 369 { | |
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370 LOG(INFO) << cond.text(); |
| 0 | 371 AssociationCleanup(assoc); |
| 372 return NULL; | |
| 373 } | |
| 374 | |
| 503 | 375 #if ORTHANC_PROMISCUOUS == 1 |
| 376 /* accept everything not known not to be a storage SOP class */ | |
| 377 cond = acceptUnknownContextsWithPreferredTransferSyntaxes( | |
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378 assoc->params, &transferSyntaxes[0], transferSyntaxes.size()); |
| 503 | 379 if (cond.bad()) |
| 380 { | |
| 381 LOG(INFO) << cond.text(); | |
| 382 AssociationCleanup(assoc); | |
| 383 return NULL; | |
| 384 } | |
| 385 #endif | |
| 386 | |
| 0 | 387 /* set our app title */ |
| 388 ASC_setAPTitles(assoc->params, NULL, NULL, server.GetApplicationEntityTitle().c_str()); | |
| 389 | |
| 390 /* acknowledge or reject this association */ | |
| 391 cond = ASC_getApplicationContextName(assoc->params, buf); | |
| 392 if ((cond.bad()) || strcmp(buf, UID_StandardApplicationContext) != 0) | |
| 393 { | |
| 394 /* reject: the application context name is not supported */ | |
| 395 T_ASC_RejectParameters rej = | |
| 396 { | |
| 397 ASC_RESULT_REJECTEDPERMANENT, | |
| 398 ASC_SOURCE_SERVICEUSER, | |
| 399 ASC_REASON_SU_APPCONTEXTNAMENOTSUPPORTED | |
| 400 }; | |
| 401 | |
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402 LOG(INFO) << "Association Rejected: Bad Application Context Name: " << buf; |
| 0 | 403 cond = ASC_rejectAssociation(assoc, &rej); |
| 404 if (cond.bad()) | |
| 405 { | |
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406 LOG(INFO) << cond.text(); |
| 0 | 407 } |
| 408 AssociationCleanup(assoc); | |
| 409 return NULL; | |
| 410 } | |
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411 |
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412 std::string callingIP; |
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413 std::string callingTitle; |
| 0 | 414 |
| 415 /* check the AETs */ | |
| 416 { | |
| 417 DIC_AE callingTitle_C; | |
| 418 DIC_AE calledTitle_C; | |
| 419 DIC_AE callingIP_C; | |
| 420 DIC_AE calledIP_C; | |
| 421 if (ASC_getAPTitles(assoc->params, callingTitle_C, calledTitle_C, NULL).bad() || | |
| 422 ASC_getPresentationAddresses(assoc->params, callingIP_C, calledIP_C).bad()) | |
| 423 { | |
| 424 T_ASC_RejectParameters rej = | |
| 425 { | |
| 426 ASC_RESULT_REJECTEDPERMANENT, | |
| 427 ASC_SOURCE_SERVICEUSER, | |
| 428 ASC_REASON_SU_NOREASON | |
| 429 }; | |
| 430 ASC_rejectAssociation(assoc, &rej); | |
| 431 AssociationCleanup(assoc); | |
| 432 return NULL; | |
| 433 } | |
| 434 | |
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435 callingIP = std::string(/*OFSTRING_GUARD*/(callingIP_C)); |
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436 callingTitle = std::string(/*OFSTRING_GUARD*/(callingTitle_C)); |
| 101 | 437 std::string calledTitle(/*OFSTRING_GUARD*/(calledTitle_C)); |
| 0 | 438 |
|
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439 if (!server.IsMyAETitle(calledTitle)) |
| 0 | 440 { |
| 441 T_ASC_RejectParameters rej = | |
| 442 { | |
| 443 ASC_RESULT_REJECTEDPERMANENT, | |
| 444 ASC_SOURCE_SERVICEUSER, | |
| 445 ASC_REASON_SU_CALLEDAETITLENOTRECOGNIZED | |
| 446 }; | |
| 447 ASC_rejectAssociation(assoc, &rej); | |
| 448 AssociationCleanup(assoc); | |
| 449 return NULL; | |
| 450 } | |
| 451 | |
| 452 if (server.HasApplicationEntityFilter() && | |
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453 !server.GetApplicationEntityFilter().IsAllowedConnection(callingIP, callingTitle)) |
| 0 | 454 { |
| 455 T_ASC_RejectParameters rej = | |
| 456 { | |
| 457 ASC_RESULT_REJECTEDPERMANENT, | |
| 458 ASC_SOURCE_SERVICEUSER, | |
| 459 ASC_REASON_SU_CALLINGAETITLENOTRECOGNIZED | |
| 460 }; | |
| 461 ASC_rejectAssociation(assoc, &rej); | |
| 462 AssociationCleanup(assoc); | |
| 463 return NULL; | |
| 464 } | |
| 465 } | |
| 466 | |
| 467 if (opt_rejectWithoutImplementationUID && strlen(assoc->params->theirImplementationClassUID) == 0) | |
| 468 { | |
| 469 /* reject: the no implementation Class UID provided */ | |
| 470 T_ASC_RejectParameters rej = | |
| 471 { | |
| 472 ASC_RESULT_REJECTEDPERMANENT, | |
| 473 ASC_SOURCE_SERVICEUSER, | |
| 474 ASC_REASON_SU_NOREASON | |
| 475 }; | |
| 476 | |
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477 LOG(INFO) << "Association Rejected: No Implementation Class UID provided"; |
| 0 | 478 cond = ASC_rejectAssociation(assoc, &rej); |
| 479 if (cond.bad()) | |
| 480 { | |
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481 LOG(INFO) << cond.text(); |
| 0 | 482 } |
| 483 AssociationCleanup(assoc); | |
| 484 return NULL; | |
| 485 } | |
| 486 | |
| 487 { | |
| 488 cond = ASC_acknowledgeAssociation(assoc); | |
| 489 if (cond.bad()) | |
| 490 { | |
|
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491 LOG(ERROR) << cond.text(); |
| 0 | 492 AssociationCleanup(assoc); |
| 493 return NULL; | |
| 494 } | |
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495 LOG(INFO) << "Association Acknowledged (Max Send PDV: " << assoc->sendPDVLength << ")"; |
| 0 | 496 if (ASC_countAcceptedPresentationContexts(assoc->params) == 0) |
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497 LOG(INFO) << " (but no valid presentation contexts)"; |
| 0 | 498 } |
| 499 | |
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500 IApplicationEntityFilter* filter = server.HasApplicationEntityFilter() ? &server.GetApplicationEntityFilter() : NULL; |
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501 return new CommandDispatcher(server, assoc, callingIP, callingTitle, filter); |
| 0 | 502 } |
| 503 | |
| 504 bool CommandDispatcher::Step() | |
| 505 /* | |
| 506 * This function receives DIMSE commmands over the network connection | |
| 507 * and handles these commands correspondingly. Note that in case of | |
| 508 * storscp only C-ECHO-RQ and C-STORE-RQ commands can be processed. | |
| 509 */ | |
| 510 { | |
| 511 bool finished = false; | |
| 512 | |
| 513 // receive a DIMSE command over the network, with a timeout of 1 second | |
| 514 DcmDataset *statusDetail = NULL; | |
| 515 T_ASC_PresentationContextID presID = 0; | |
| 516 T_DIMSE_Message msg; | |
| 517 | |
| 518 OFCondition cond = DIMSE_receiveCommand(assoc_, DIMSE_NONBLOCKING, 1, &presID, &msg, &statusDetail); | |
| 519 elapsedTimeSinceLastCommand_++; | |
| 520 | |
| 521 // if the command which was received has extra status | |
| 522 // detail information, dump this information | |
| 523 if (statusDetail != NULL) | |
| 524 { | |
| 101 | 525 //LOG4CPP_WARN(Internals::GetLogger(), "Status Detail:" << OFendl << DcmObject::PrintHelper(*statusDetail)); |
| 0 | 526 delete statusDetail; |
| 527 } | |
| 528 | |
| 529 if (cond == DIMSE_OUTOFRESOURCES) | |
| 530 { | |
| 531 finished = true; | |
| 532 } | |
| 533 else if (cond == DIMSE_NODATAAVAILABLE) | |
| 534 { | |
| 535 // Timeout due to DIMSE_NONBLOCKING | |
| 536 if (clientTimeout_ != 0 && | |
| 537 elapsedTimeSinceLastCommand_ >= clientTimeout_) | |
| 538 { | |
| 539 // This timeout is actually a client timeout | |
| 540 finished = true; | |
| 541 } | |
| 542 } | |
| 543 else if (cond == EC_Normal) | |
| 544 { | |
| 545 // Reset the client timeout counter | |
| 546 elapsedTimeSinceLastCommand_ = 0; | |
| 547 | |
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548 // Convert the type of request to Orthanc's internal type |
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549 bool supported = false; |
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550 DicomRequestType request; |
| 0 | 551 switch (msg.CommandField) |
| 552 { | |
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553 case DIMSE_C_ECHO_RQ: |
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554 request = DicomRequestType_Echo; |
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555 supported = true; |
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556 break; |
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557 |
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558 case DIMSE_C_STORE_RQ: |
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559 request = DicomRequestType_Store; |
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560 supported = true; |
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561 break; |
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562 |
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563 case DIMSE_C_MOVE_RQ: |
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564 request = DicomRequestType_Move; |
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565 supported = true; |
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566 break; |
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567 |
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568 case DIMSE_C_FIND_RQ: |
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569 request = DicomRequestType_Find; |
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570 supported = true; |
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571 break; |
| 0 | 572 |
|
620
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573 default: |
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574 // we cannot handle this kind of message |
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575 cond = DIMSE_BADCOMMANDTYPE; |
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576 LOG(ERROR) << "cannot handle command: 0x" << std::hex << msg.CommandField; |
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577 break; |
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578 } |
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579 |
| 0 | 580 |
|
620
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581 // Check whether this request is allowed by the security filter |
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582 if (supported && |
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583 filter_ != NULL && |
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584 !filter_->IsAllowedRequest(callingIP_, callingAETitle_, request)) |
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585 { |
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586 LOG(ERROR) << EnumerationToString(request) |
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587 << " requests are disallowed for the AET \"" |
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588 << callingAETitle_ << "\""; |
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589 cond = DIMSE_BADCOMMANDTYPE; |
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590 supported = false; |
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591 } |
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592 |
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593 // in case we received a supported message, process this command |
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594 if (supported) |
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595 { |
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596 // If anything goes wrong, there will be a "BADCOMMANDTYPE" answer |
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597 cond = DIMSE_BADCOMMANDTYPE; |
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598 |
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599 switch (request) |
| 0 | 600 { |
|
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601 case DicomRequestType_Echo: |
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602 cond = EchoScp(assoc_, &msg, presID); |
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603 break; |
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604 |
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605 case DicomRequestType_Store: |
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606 if (server_.HasStoreRequestHandlerFactory()) // Should always be true |
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607 { |
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608 std::auto_ptr<IStoreRequestHandler> handler |
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609 (server_.GetStoreRequestHandlerFactory().ConstructStoreRequestHandler()); |
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610 cond = Internals::storeScp(assoc_, &msg, presID, *handler); |
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611 } |
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612 break; |
| 0 | 613 |
|
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614 case DicomRequestType_Move: |
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615 if (server_.HasMoveRequestHandlerFactory()) // Should always be true |
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616 { |
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617 std::auto_ptr<IMoveRequestHandler> handler |
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618 (server_.GetMoveRequestHandlerFactory().ConstructMoveRequestHandler()); |
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619 cond = Internals::moveScp(assoc_, &msg, presID, *handler); |
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620 } |
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621 break; |
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622 |
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623 case DicomRequestType_Find: |
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624 if (server_.HasFindRequestHandlerFactory()) // Should always be true |
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625 { |
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626 std::auto_ptr<IFindRequestHandler> handler |
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627 (server_.GetFindRequestHandlerFactory().ConstructFindRequestHandler()); |
| 665 | 628 cond = Internals::findScp(assoc_, &msg, presID, *handler, callingAETitle_); |
|
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629 } |
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630 break; |
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631 |
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632 default: |
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633 // Should never happen |
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634 break; |
| 0 | 635 } |
| 636 } | |
| 637 } | |
| 638 else | |
| 639 { | |
| 640 // Bad status, which indicates the closing of the connection by | |
| 641 // the peer or a network error | |
| 642 finished = true; | |
| 665 | 643 |
|
667
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644 LOG(INFO) << cond.text(); |
| 0 | 645 } |
| 646 | |
| 647 if (finished) | |
| 648 { | |
| 649 if (cond == DUL_PEERREQUESTEDRELEASE) | |
| 650 { | |
|
102
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651 LOG(INFO) << "Association Release"; |
| 0 | 652 ASC_acknowledgeRelease(assoc_); |
| 653 } | |
| 654 else if (cond == DUL_PEERABORTEDASSOCIATION) | |
| 655 { | |
|
102
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656 LOG(INFO) << "Association Aborted"; |
| 0 | 657 } |
| 658 else | |
| 659 { | |
| 660 OFString temp_str; | |
|
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661 LOG(ERROR) << "DIMSE failure (aborting association): " << cond.text(); |
| 0 | 662 /* some kind of error so abort the association */ |
| 663 ASC_abortAssociation(assoc_); | |
| 664 } | |
| 665 } | |
| 666 | |
| 667 return !finished; | |
| 668 } | |
| 669 | |
| 670 | |
| 671 OFCondition EchoScp( T_ASC_Association * assoc, T_DIMSE_Message * msg, T_ASC_PresentationContextID presID) | |
| 672 { | |
| 673 OFString temp_str; | |
|
102
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674 LOG(INFO) << "Received Echo Request"; |
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675 //LOG(DEBUG) << DIMSE_dumpMessage(temp_str, msg->msg.CEchoRQ, DIMSE_INCOMING, NULL, presID)); |
| 0 | 676 |
| 677 /* the echo succeeded !! */ | |
| 678 OFCondition cond = DIMSE_sendEchoResponse(assoc, presID, &msg->msg.CEchoRQ, STATUS_Success, NULL); | |
| 679 if (cond.bad()) | |
| 680 { | |
|
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681 LOG(ERROR) << "Echo SCP Failed: " << cond.text(); |
| 0 | 682 } |
| 683 return cond; | |
| 684 } | |
| 685 } | |
| 686 } |