Mercurial > hg > orthanc
annotate OrthancServer/DicomProtocol/DicomUserConnection.cpp @ 1549:e5e975e9b738
refactoring and simplification of StorageAccessor
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 17 Aug 2015 10:47:04 +0200 |
parents | f967bdf8534e |
children | bd1889029cbb |
rev | line source |
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0 | 1 /** |
62 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
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3 * Copyright (C) 2012-2015 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 #include "../PrecompiledHeadersServer.h" |
0 | 82 #include "DicomUserConnection.h" |
83 | |
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84 #include "../../Core/DicomFormat/DicomArray.h" |
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85 #include "../../Core/Logging.h" |
62 | 86 #include "../../Core/OrthancException.h" |
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87 #include "../FromDcmtkBridge.h" |
0 | 88 #include "../ToDcmtkBridge.h" |
89 | |
90 #include <dcmtk/dcmdata/dcistrmb.h> | |
91 #include <dcmtk/dcmdata/dcistrmf.h> | |
92 #include <dcmtk/dcmdata/dcfilefo.h> | |
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93 #include <dcmtk/dcmdata/dcmetinf.h> |
0 | 94 #include <dcmtk/dcmnet/diutil.h> |
95 | |
96 #include <set> | |
97 | |
98 | |
99 #ifdef _WIN32 | |
100 /** | |
101 * "The maximum length, in bytes, of the string returned in the buffer | |
102 * pointed to by the name parameter is dependent on the namespace provider, | |
103 * but this string must be 256 bytes or less. | |
104 * http://msdn.microsoft.com/en-us/library/windows/desktop/ms738527(v=vs.85).aspx | |
105 **/ | |
106 #define HOST_NAME_MAX 256 | |
107 #endif | |
108 | |
109 | |
918 | 110 #if !defined(HOST_NAME_MAX) && defined(_POSIX_HOST_NAME_MAX) |
890 | 111 /** |
112 * TO IMPROVE: "_POSIX_HOST_NAME_MAX is only the minimum value that | |
113 * HOST_NAME_MAX can ever have [...] Therefore you cannot allocate an | |
114 * array of size _POSIX_HOST_NAME_MAX, invoke gethostname() and expect | |
115 * that the result will fit." | |
116 * http://lists.gnu.org/archive/html/bug-gnulib/2009-08/msg00128.html | |
117 **/ | |
118 #define HOST_NAME_MAX _POSIX_HOST_NAME_MAX | |
119 #endif | |
120 | |
121 | |
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122 static const char* DEFAULT_PREFERRED_TRANSFER_SYNTAX = UID_LittleEndianImplicitTransferSyntax; |
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123 |
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124 /** |
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125 * "If we have more than 64 storage SOP classes, tools such as |
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126 * storescu will fail because they attempt to negotiate two |
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127 * presentation contexts for each SOP class, and there is a total |
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128 * limit of 128 contexts for one association." |
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129 **/ |
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130 static const unsigned int MAXIMUM_STORAGE_SOP_CLASSES = 64; |
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131 |
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132 |
62 | 133 namespace Orthanc |
0 | 134 { |
135 struct DicomUserConnection::PImpl | |
136 { | |
137 // Connection state | |
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138 uint32_t dimseTimeout_; |
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139 uint32_t acseTimeout_; |
0 | 140 T_ASC_Network* net_; |
141 T_ASC_Parameters* params_; | |
142 T_ASC_Association* assoc_; | |
143 | |
144 bool IsOpen() const | |
145 { | |
146 return assoc_ != NULL; | |
147 } | |
148 | |
149 void CheckIsOpen() const; | |
150 | |
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151 void Store(DcmInputStream& is, DicomUserConnection& connection); |
0 | 152 }; |
153 | |
154 | |
155 static void Check(const OFCondition& cond) | |
156 { | |
157 if (cond.bad()) | |
158 { | |
1017 | 159 LOG(ERROR) << "DicomUserConnection: " << std::string(cond.text()); |
160 throw OrthancException(ErrorCode_NetworkProtocol); | |
0 | 161 } |
162 } | |
163 | |
164 void DicomUserConnection::PImpl::CheckIsOpen() const | |
165 { | |
166 if (!IsOpen()) | |
167 { | |
1017 | 168 LOG(ERROR) << "DicomUserConnection: First open the connection"; |
169 throw OrthancException(ErrorCode_NetworkProtocol); | |
0 | 170 } |
171 } | |
172 | |
173 | |
174 void DicomUserConnection::CheckIsOpen() const | |
175 { | |
176 pimpl_->CheckIsOpen(); | |
177 } | |
178 | |
179 | |
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180 static void RegisterStorageSOPClass(T_ASC_Parameters* params, |
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181 unsigned int& presentationContextId, |
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182 const std::string& sopClass, |
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183 const char* asPreferred[], |
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184 std::vector<const char*>& asFallback) |
0 | 185 { |
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186 Check(ASC_addPresentationContext(params, presentationContextId, |
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187 sopClass.c_str(), asPreferred, 1)); |
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188 presentationContextId += 2; |
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189 |
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190 if (asFallback.size() > 0) |
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191 { |
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192 Check(ASC_addPresentationContext(params, presentationContextId, |
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193 sopClass.c_str(), &asFallback[0], asFallback.size())); |
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194 presentationContextId += 2; |
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195 } |
0 | 196 } |
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197 |
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198 |
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199 void DicomUserConnection::SetupPresentationContexts(const std::string& preferredTransferSyntax) |
0 | 200 { |
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201 // Flatten an array with the preferred transfer syntax |
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202 const char* asPreferred[1] = { preferredTransferSyntax.c_str() }; |
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203 |
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204 // Setup the fallback transfer syntaxes |
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205 std::set<std::string> fallbackSyntaxes; |
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206 fallbackSyntaxes.insert(UID_LittleEndianExplicitTransferSyntax); |
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207 fallbackSyntaxes.insert(UID_BigEndianExplicitTransferSyntax); |
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208 fallbackSyntaxes.insert(UID_LittleEndianImplicitTransferSyntax); |
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209 fallbackSyntaxes.erase(preferredTransferSyntax); |
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210 |
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211 // Flatten an array with the fallback transfer syntaxes |
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212 std::vector<const char*> asFallback; |
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213 asFallback.reserve(fallbackSyntaxes.size()); |
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214 for (std::set<std::string>::const_iterator |
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215 it = fallbackSyntaxes.begin(); it != fallbackSyntaxes.end(); ++it) |
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216 { |
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217 asFallback.push_back(it->c_str()); |
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218 } |
0 | 219 |
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220 CheckStorageSOPClassesInvariant(); |
0 | 221 unsigned int presentationContextId = 1; |
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222 |
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223 for (std::list<std::string>::const_iterator it = reservedStorageSOPClasses_.begin(); |
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224 it != reservedStorageSOPClasses_.end(); ++it) |
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226 RegisterStorageSOPClass(pimpl_->params_, presentationContextId, |
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227 *it, asPreferred, asFallback); |
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228 } |
0 | 229 |
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230 for (std::set<std::string>::const_iterator it = storageSOPClasses_.begin(); |
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231 it != storageSOPClasses_.end(); ++it) |
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232 { |
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233 RegisterStorageSOPClass(pimpl_->params_, presentationContextId, |
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234 *it, asPreferred, asFallback); |
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235 } |
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236 |
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237 for (std::set<std::string>::const_iterator it = defaultStorageSOPClasses_.begin(); |
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238 it != defaultStorageSOPClasses_.end(); ++it) |
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239 { |
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240 RegisterStorageSOPClass(pimpl_->params_, presentationContextId, |
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241 *it, asPreferred, asFallback); |
0 | 242 } |
243 } | |
244 | |
245 | |
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246 static bool IsGenericTransferSyntax(const std::string& syntax) |
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247 { |
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248 return (syntax == UID_LittleEndianExplicitTransferSyntax || |
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249 syntax == UID_BigEndianExplicitTransferSyntax || |
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250 syntax == UID_LittleEndianImplicitTransferSyntax); |
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251 } |
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252 |
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253 |
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254 void DicomUserConnection::PImpl::Store(DcmInputStream& is, DicomUserConnection& connection) |
0 | 255 { |
256 CheckIsOpen(); | |
257 | |
258 DcmFileFormat dcmff; | |
259 Check(dcmff.read(is, EXS_Unknown, EGL_noChange, DCM_MaxReadLength)); | |
260 | |
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261 // Determine the storage SOP class UID for this instance |
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262 static const DcmTagKey DCM_SOP_CLASS_UID(0x0008, 0x0016); |
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263 OFString sopClassUid; |
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264 if (dcmff.getDataset()->findAndGetOFString(DCM_SOP_CLASS_UID, sopClassUid).good()) |
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265 { |
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266 connection.AddStorageSOPClass(sopClassUid.c_str()); |
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267 } |
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268 |
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269 // Determine whether a new presentation context must be |
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270 // negotiated, depending on the transfer syntax of this instance |
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271 DcmXfer xfer(dcmff.getDataset()->getOriginalXfer()); |
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272 const std::string syntax(xfer.getXferID()); |
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273 bool isGeneric = IsGenericTransferSyntax(syntax); |
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274 |
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275 if (isGeneric ^ IsGenericTransferSyntax(connection.GetPreferredTransferSyntax())) |
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276 { |
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277 // Making a generic-to-specific or specific-to-generic change of |
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278 // the transfer syntax. Renegotiate the connection. |
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279 LOG(INFO) << "Change in the transfer syntax: the C-Store associated must be renegotiated"; |
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280 |
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281 if (isGeneric) |
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282 { |
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283 connection.ResetPreferredTransferSyntax(); |
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284 } |
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285 else |
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286 { |
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287 connection.SetPreferredTransferSyntax(syntax); |
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288 } |
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289 } |
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290 |
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291 if (!connection.IsOpen()) |
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292 { |
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293 LOG(INFO) << "Renegotiating a C-Store association due to a change in the parameters"; |
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294 connection.Open(); |
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295 } |
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296 |
0 | 297 // Figure out which SOP class and SOP instance is encapsulated in the file |
298 DIC_UI sopClass; | |
299 DIC_UI sopInstance; | |
300 if (!DU_findSOPClassAndInstanceInDataSet(dcmff.getDataset(), sopClass, sopInstance)) | |
301 { | |
62 | 302 throw OrthancException("DicomUserConnection: Unable to find the SOP class and instance"); |
0 | 303 } |
304 | |
305 // Figure out which of the accepted presentation contexts should be used | |
306 int presID = ASC_findAcceptedPresentationContextID(assoc_, sopClass); | |
307 if (presID == 0) | |
308 { | |
309 const char *modalityName = dcmSOPClassUIDToModality(sopClass); | |
310 if (!modalityName) modalityName = dcmFindNameOfUID(sopClass); | |
311 if (!modalityName) modalityName = "unknown SOP class"; | |
62 | 312 throw OrthancException("DicomUserConnection: No presentation context for modality " + |
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313 std::string(modalityName)); |
0 | 314 } |
315 | |
316 // Prepare the transmission of data | |
317 T_DIMSE_C_StoreRQ req; | |
318 memset(&req, 0, sizeof(req)); | |
319 req.MessageID = assoc_->nextMsgID++; | |
320 strcpy(req.AffectedSOPClassUID, sopClass); | |
321 strcpy(req.AffectedSOPInstanceUID, sopInstance); | |
322 req.DataSetType = DIMSE_DATASET_PRESENT; | |
323 req.Priority = DIMSE_PRIORITY_MEDIUM; | |
324 | |
325 // Finally conduct transmission of data | |
326 T_DIMSE_C_StoreRSP rsp; | |
327 DcmDataset* statusDetail = NULL; | |
328 Check(DIMSE_storeUser(assoc_, presID, &req, | |
329 NULL, dcmff.getDataset(), /*progressCallback*/ NULL, NULL, | |
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330 /*opt_blockMode*/ DIMSE_BLOCKING, /*opt_dimse_timeout*/ dimseTimeout_, |
0 | 331 &rsp, &statusDetail, NULL)); |
332 | |
333 if (statusDetail != NULL) | |
334 { | |
335 delete statusDetail; | |
336 } | |
337 } | |
338 | |
339 | |
1366 | 340 namespace |
341 { | |
342 struct FindPayload | |
343 { | |
344 DicomFindAnswers* answers; | |
345 std::string level; | |
346 }; | |
347 } | |
348 | |
349 | |
0 | 350 static void FindCallback( |
351 /* in */ | |
352 void *callbackData, | |
353 T_DIMSE_C_FindRQ *request, /* original find request */ | |
354 int responseCount, | |
355 T_DIMSE_C_FindRSP *response, /* pending response received */ | |
356 DcmDataset *responseIdentifiers /* pending response identifiers */ | |
357 ) | |
358 { | |
1366 | 359 FindPayload& payload = *reinterpret_cast<FindPayload*>(callbackData); |
0 | 360 |
361 if (responseIdentifiers != NULL) | |
362 { | |
363 DicomMap m; | |
364 FromDcmtkBridge::Convert(m, *responseIdentifiers); | |
1366 | 365 |
366 if (!m.HasTag(DICOM_TAG_QUERY_RETRIEVE_LEVEL)) | |
367 { | |
368 m.SetValue(DICOM_TAG_QUERY_RETRIEVE_LEVEL, payload.level); | |
369 } | |
370 | |
371 payload.answers->Add(m); | |
0 | 372 } |
373 } | |
374 | |
1368 | 375 |
376 static void CheckFindQuery(ResourceType level, | |
377 const DicomMap& fields) | |
378 { | |
379 std::set<DicomTag> allowedTags; | |
380 | |
381 // WARNING: Do not add "break" or reorder items in this switch-case! | |
382 switch (level) | |
383 { | |
384 case ResourceType_Instance: | |
385 DicomTag::AddTagsForModule(allowedTags, DicomModule_Instance); | |
386 | |
387 case ResourceType_Series: | |
388 DicomTag::AddTagsForModule(allowedTags, DicomModule_Series); | |
389 | |
390 case ResourceType_Study: | |
391 DicomTag::AddTagsForModule(allowedTags, DicomModule_Study); | |
392 | |
393 case ResourceType_Patient: | |
394 DicomTag::AddTagsForModule(allowedTags, DicomModule_Patient); | |
395 break; | |
396 | |
397 default: | |
398 throw OrthancException(ErrorCode_InternalError); | |
399 } | |
400 | |
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401 if (level == ResourceType_Study) |
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402 { |
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403 allowedTags.insert(DICOM_TAG_MODALITIES_IN_STUDY); |
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404 } |
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405 |
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406 allowedTags.insert(DICOM_TAG_SPECIFIC_CHARACTER_SET); |
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407 |
1368 | 408 DicomArray query(fields); |
409 for (size_t i = 0; i < query.GetSize(); i++) | |
410 { | |
411 const DicomTag& tag = query.GetElement(i).GetTag(); | |
412 if (allowedTags.find(tag) == allowedTags.end()) | |
413 { | |
414 LOG(ERROR) << "Tag not allowed for this C-Find level: " << tag; | |
415 throw OrthancException(ErrorCode_BadRequest); | |
416 } | |
417 } | |
418 } | |
419 | |
420 | |
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421 static DcmDataset* ConvertQueryFields(const DicomMap& fields, |
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422 ModalityManufacturer manufacturer) |
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423 { |
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424 switch (manufacturer) |
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425 { |
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426 case ModalityManufacturer_SyngoVia: |
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427 { |
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428 std::auto_ptr<DicomMap> fix(fields.Clone()); |
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429 |
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430 // This issue for Syngo.Via and its solution was reported by |
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431 // Emsy Chan by private mail on June 17th, 2015. |
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432 std::set<DicomTag> tags; |
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433 fix->GetTags(tags); |
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434 |
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435 for (std::set<DicomTag>::const_iterator it = tags.begin(); it != tags.end(); ++it) |
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436 { |
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437 if (FromDcmtkBridge::GetValueRepresentation(*it) == ValueRepresentation_Date) |
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438 { |
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439 // Replace a "*" query by an empty query ("") for "date" |
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440 // value representations. Necessary to search over dates |
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441 // in Syngo.Via. |
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442 const DicomValue* value = fix->TestAndGetValue(*it); |
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443 |
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444 if (value != NULL && |
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445 value->AsString() == "*") |
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446 { |
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447 fix->SetValue(*it, ""); |
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448 } |
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449 } |
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450 } |
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451 |
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452 return ToDcmtkBridge::Convert(*fix); |
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453 } |
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454 |
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455 default: |
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456 return ToDcmtkBridge::Convert(fields); |
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457 } |
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458 } |
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459 |
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460 |
0 | 461 void DicomUserConnection::Find(DicomFindAnswers& result, |
1368 | 462 ResourceType level, |
0 | 463 const DicomMap& fields) |
464 { | |
1368 | 465 CheckFindQuery(level, fields); |
466 | |
0 | 467 CheckIsOpen(); |
468 | |
1366 | 469 FindPayload payload; |
470 payload.answers = &result; | |
471 | |
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472 std::auto_ptr<DcmDataset> dataset(ConvertQueryFields(fields, manufacturer_)); |
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473 |
0 | 474 const char* sopClass; |
1368 | 475 switch (level) |
0 | 476 { |
1368 | 477 case ResourceType_Patient: |
1366 | 478 payload.level = "PATIENT"; |
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479 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "PATIENT"); |
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480 sopClass = UID_FINDPatientRootQueryRetrieveInformationModel; |
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481 break; |
0 | 482 |
1368 | 483 case ResourceType_Study: |
1366 | 484 payload.level = "STUDY"; |
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485 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "STUDY"); |
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486 sopClass = UID_FINDStudyRootQueryRetrieveInformationModel; |
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487 break; |
0 | 488 |
1368 | 489 case ResourceType_Series: |
1366 | 490 payload.level = "SERIES"; |
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491 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "SERIES"); |
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492 sopClass = UID_FINDStudyRootQueryRetrieveInformationModel; |
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493 break; |
0 | 494 |
1368 | 495 case ResourceType_Instance: |
1366 | 496 payload.level = "INSTANCE"; |
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497 if (manufacturer_ == ModalityManufacturer_ClearCanvas || |
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498 manufacturer_ == ModalityManufacturer_Dcm4Chee) |
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499 { |
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500 // This is a particular case for ClearCanvas, thanks to Peter Somlo <peter.somlo@gmail.com>. |
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501 // https://groups.google.com/d/msg/orthanc-users/j-6C3MAVwiw/iolB9hclom8J |
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502 // http://www.clearcanvas.ca/Home/Community/OldForums/tabid/526/aff/11/aft/14670/afv/topic/Default.aspx |
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503 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "IMAGE"); |
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504 } |
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505 else |
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506 { |
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507 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "INSTANCE"); |
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508 } |
519
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509 |
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510 sopClass = UID_FINDStudyRootQueryRetrieveInformationModel; |
1368 | 511 break; |
0 | 512 |
1368 | 513 default: |
514 throw OrthancException(ErrorCode_ParameterOutOfRange); | |
515 } | |
516 | |
517 // Add the expected tags for this query level. | |
518 // WARNING: Do not reorder or add "break" in this switch-case! | |
519 switch (level) | |
520 { | |
521 case ResourceType_Instance: | |
522 // SOP Instance UID | |
523 if (!fields.HasTag(0x0008, 0x0018)) | |
524 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0018), ""); | |
525 | |
526 case ResourceType_Series: | |
527 // Series instance UID | |
528 if (!fields.HasTag(0x0020, 0x000e)) | |
529 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000e), ""); | |
530 | |
531 case ResourceType_Study: | |
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532 // Accession number |
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533 if (!fields.HasTag(0x0008, 0x0050)) |
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534 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0050), ""); |
0 | 535 |
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536 // Study instance UID |
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537 if (!fields.HasTag(0x0020, 0x000d)) |
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538 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000d), ""); |
0 | 539 |
1368 | 540 case ResourceType_Patient: |
541 // Patient ID | |
542 if (!fields.HasTag(0x0010, 0x0020)) | |
543 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0010, 0x0020), ""); | |
0 | 544 |
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545 break; |
0 | 546 |
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547 default: |
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548 throw OrthancException(ErrorCode_ParameterOutOfRange); |
0 | 549 } |
550 | |
551 // Figure out which of the accepted presentation contexts should be used | |
552 int presID = ASC_findAcceptedPresentationContextID(pimpl_->assoc_, sopClass); | |
553 if (presID == 0) | |
554 { | |
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555 throw OrthancException("DicomUserConnection: The C-FIND command is not supported by the remote AET"); |
0 | 556 } |
557 | |
558 T_DIMSE_C_FindRQ request; | |
559 memset(&request, 0, sizeof(request)); | |
560 request.MessageID = pimpl_->assoc_->nextMsgID++; | |
561 strcpy(request.AffectedSOPClassUID, sopClass); | |
562 request.DataSetType = DIMSE_DATASET_PRESENT; | |
563 request.Priority = DIMSE_PRIORITY_MEDIUM; | |
564 | |
565 T_DIMSE_C_FindRSP response; | |
566 DcmDataset* statusDetail = NULL; | |
567 OFCondition cond = DIMSE_findUser(pimpl_->assoc_, presID, &request, dataset.get(), | |
1366 | 568 FindCallback, &payload, |
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569 /*opt_blockMode*/ DIMSE_BLOCKING, |
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570 /*opt_dimse_timeout*/ pimpl_->dimseTimeout_, |
0 | 571 &response, &statusDetail); |
572 | |
573 if (statusDetail) | |
574 { | |
575 delete statusDetail; | |
576 } | |
577 | |
578 Check(cond); | |
579 } | |
580 | |
581 | |
1366 | 582 void DicomUserConnection::MoveInternal(const std::string& targetAet, |
1371
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583 ResourceType level, |
1366 | 584 const DicomMap& fields) |
0 | 585 { |
586 CheckIsOpen(); | |
587 | |
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588 std::auto_ptr<DcmDataset> dataset(ConvertQueryFields(fields, manufacturer_)); |
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589 |
0 | 590 const char* sopClass = UID_MOVEStudyRootQueryRetrieveInformationModel; |
1371
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591 switch (level) |
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592 { |
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593 case ResourceType_Patient: |
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594 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "PATIENT"); |
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595 break; |
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596 |
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597 case ResourceType_Study: |
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598 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "STUDY"); |
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599 break; |
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600 |
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601 case ResourceType_Series: |
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602 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "SERIES"); |
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603 break; |
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604 |
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605 case ResourceType_Instance: |
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606 if (manufacturer_ == ModalityManufacturer_ClearCanvas || |
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607 manufacturer_ == ModalityManufacturer_Dcm4Chee) |
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608 { |
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609 // This is a particular case for ClearCanvas, thanks to Peter Somlo <peter.somlo@gmail.com>. |
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610 // https://groups.google.com/d/msg/orthanc-users/j-6C3MAVwiw/iolB9hclom8J |
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611 // http://www.clearcanvas.ca/Home/Community/OldForums/tabid/526/aff/11/aft/14670/afv/topic/Default.aspx |
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612 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "IMAGE"); |
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613 } |
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614 else |
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615 { |
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616 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "INSTANCE"); |
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617 } |
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618 break; |
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619 |
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620 default: |
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621 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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622 } |
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623 |
0 | 624 // Figure out which of the accepted presentation contexts should be used |
625 int presID = ASC_findAcceptedPresentationContextID(pimpl_->assoc_, sopClass); | |
626 if (presID == 0) | |
627 { | |
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628 throw OrthancException("DicomUserConnection: The C-MOVE command is not supported by the remote AET"); |
0 | 629 } |
630 | |
631 T_DIMSE_C_MoveRQ request; | |
632 memset(&request, 0, sizeof(request)); | |
633 request.MessageID = pimpl_->assoc_->nextMsgID++; | |
634 strcpy(request.AffectedSOPClassUID, sopClass); | |
635 request.DataSetType = DIMSE_DATASET_PRESENT; | |
636 request.Priority = DIMSE_PRIORITY_MEDIUM; | |
637 strncpy(request.MoveDestination, targetAet.c_str(), sizeof(DIC_AE) / sizeof(char)); | |
638 | |
639 T_DIMSE_C_MoveRSP response; | |
640 DcmDataset* statusDetail = NULL; | |
641 DcmDataset* responseIdentifiers = NULL; | |
642 OFCondition cond = DIMSE_moveUser(pimpl_->assoc_, presID, &request, dataset.get(), | |
643 NULL, NULL, | |
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644 /*opt_blockMode*/ DIMSE_BLOCKING, |
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645 /*opt_dimse_timeout*/ pimpl_->dimseTimeout_, |
0 | 646 pimpl_->net_, NULL, NULL, |
647 &response, &statusDetail, &responseIdentifiers); | |
648 | |
649 if (statusDetail) | |
650 { | |
651 delete statusDetail; | |
652 } | |
653 | |
654 if (responseIdentifiers) | |
655 { | |
656 delete responseIdentifiers; | |
657 } | |
658 | |
659 Check(cond); | |
660 } | |
661 | |
662 | |
763
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663 void DicomUserConnection::ResetStorageSOPClasses() |
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664 { |
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665 CheckStorageSOPClassesInvariant(); |
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666 |
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667 storageSOPClasses_.clear(); |
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668 defaultStorageSOPClasses_.clear(); |
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669 |
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670 // Copy the short list of storage SOP classes from DCMTK, making |
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671 // room for the 4 SOP classes reserved for C-ECHO, C-FIND, C-MOVE. |
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672 |
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673 std::set<std::string> uncommon; |
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674 uncommon.insert(UID_BlendingSoftcopyPresentationStateStorage); |
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675 uncommon.insert(UID_GrayscaleSoftcopyPresentationStateStorage); |
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676 uncommon.insert(UID_ColorSoftcopyPresentationStateStorage); |
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677 uncommon.insert(UID_PseudoColorSoftcopyPresentationStateStorage); |
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678 |
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679 // Add the storage syntaxes for C-STORE |
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680 for (int i = 0; i < numberOfDcmShortSCUStorageSOPClassUIDs - 1; i++) |
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681 { |
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682 if (uncommon.find(dcmShortSCUStorageSOPClassUIDs[i]) == uncommon.end()) |
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683 { |
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684 defaultStorageSOPClasses_.insert(dcmShortSCUStorageSOPClassUIDs[i]); |
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685 } |
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686 } |
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687 |
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688 CheckStorageSOPClassesInvariant(); |
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689 } |
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690 |
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691 |
656 | 692 DicomUserConnection::DicomUserConnection() : |
693 pimpl_(new PImpl), | |
666
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694 preferredTransferSyntax_(DEFAULT_PREFERRED_TRANSFER_SYNTAX), |
656 | 695 localAet_("STORESCU"), |
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696 remoteAet_("ANY-SCP"), |
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697 remoteHost_("127.0.0.1") |
0 | 698 { |
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699 remotePort_ = 104; |
519
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700 manufacturer_ = ModalityManufacturer_Generic; |
0 | 701 |
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702 SetTimeout(10); |
0 | 703 pimpl_->net_ = NULL; |
704 pimpl_->params_ = NULL; | |
705 pimpl_->assoc_ = NULL; | |
763
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706 |
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707 // SOP classes for C-ECHO, C-FIND and C-MOVE |
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708 reservedStorageSOPClasses_.push_back(UID_VerificationSOPClass); |
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709 reservedStorageSOPClasses_.push_back(UID_FINDPatientRootQueryRetrieveInformationModel); |
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710 reservedStorageSOPClasses_.push_back(UID_FINDStudyRootQueryRetrieveInformationModel); |
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711 reservedStorageSOPClasses_.push_back(UID_MOVEStudyRootQueryRetrieveInformationModel); |
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712 |
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713 ResetStorageSOPClasses(); |
0 | 714 } |
715 | |
716 DicomUserConnection::~DicomUserConnection() | |
717 { | |
718 Close(); | |
719 } | |
720 | |
772
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721 |
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722 void DicomUserConnection::SetRemoteModality(const RemoteModalityParameters& parameters) |
772
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723 { |
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724 SetRemoteApplicationEntityTitle(parameters.GetApplicationEntityTitle()); |
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725 SetRemoteHost(parameters.GetHost()); |
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726 SetRemotePort(parameters.GetPort()); |
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727 SetRemoteManufacturer(parameters.GetManufacturer()); |
772
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728 } |
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729 |
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730 |
0 | 731 void DicomUserConnection::SetLocalApplicationEntityTitle(const std::string& aet) |
732 { | |
662
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733 if (localAet_ != aet) |
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734 { |
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735 Close(); |
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736 localAet_ = aet; |
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737 } |
0 | 738 } |
739 | |
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740 void DicomUserConnection::SetRemoteApplicationEntityTitle(const std::string& aet) |
0 | 741 { |
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742 if (remoteAet_ != aet) |
662
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743 { |
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744 Close(); |
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745 remoteAet_ = aet; |
662
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746 } |
0 | 747 } |
748 | |
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749 void DicomUserConnection::SetRemoteManufacturer(ModalityManufacturer manufacturer) |
519
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750 { |
662
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751 if (manufacturer_ != manufacturer) |
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752 { |
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753 Close(); |
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754 manufacturer_ = manufacturer; |
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755 } |
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756 } |
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757 |
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758 void DicomUserConnection::ResetPreferredTransferSyntax() |
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759 { |
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760 SetPreferredTransferSyntax(DEFAULT_PREFERRED_TRANSFER_SYNTAX); |
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761 } |
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762 |
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763 void DicomUserConnection::SetPreferredTransferSyntax(const std::string& preferredTransferSyntax) |
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764 { |
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765 if (preferredTransferSyntax_ != preferredTransferSyntax) |
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766 { |
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767 Close(); |
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768 preferredTransferSyntax_ = preferredTransferSyntax; |
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769 } |
519
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770 } |
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771 |
0 | 772 |
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773 void DicomUserConnection::SetRemoteHost(const std::string& host) |
0 | 774 { |
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775 if (remoteHost_ != host) |
0 | 776 { |
662
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777 if (host.size() > HOST_NAME_MAX - 10) |
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778 { |
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779 throw OrthancException("Remote host name is too long"); |
662
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780 } |
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781 |
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782 Close(); |
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783 remoteHost_ = host; |
0 | 784 } |
785 } | |
786 | |
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787 void DicomUserConnection::SetRemotePort(uint16_t port) |
0 | 788 { |
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789 if (remotePort_ != port) |
662
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790 { |
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791 Close(); |
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792 remotePort_ = port; |
662
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793 } |
0 | 794 } |
795 | |
796 void DicomUserConnection::Open() | |
797 { | |
662
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798 if (IsOpen()) |
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799 { |
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800 // Don't reopen the connection |
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801 return; |
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802 } |
0 | 803 |
769
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804 LOG(INFO) << "Opening a DICOM SCU connection from AET \"" << GetLocalApplicationEntityTitle() |
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805 << "\" to AET \"" << GetRemoteApplicationEntityTitle() << "\" on host " |
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806 << GetRemoteHost() << ":" << GetRemotePort() |
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807 << " (manufacturer: " << EnumerationToString(GetRemoteManufacturer()) << ")"; |
769
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808 |
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809 Check(ASC_initializeNetwork(NET_REQUESTOR, 0, /*opt_acse_timeout*/ pimpl_->acseTimeout_, &pimpl_->net_)); |
0 | 810 Check(ASC_createAssociationParameters(&pimpl_->params_, /*opt_maxReceivePDULength*/ ASC_DEFAULTMAXPDU)); |
811 | |
812 // Set this application's title and the called application's title in the params | |
1285
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813 Check(ASC_setAPTitles(pimpl_->params_, localAet_.c_str(), remoteAet_.c_str(), NULL)); |
0 | 814 |
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815 // Set the network addresses of the local and remote entities |
0 | 816 char localHost[HOST_NAME_MAX]; |
817 gethostname(localHost, HOST_NAME_MAX - 1); | |
818 | |
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819 char remoteHostAndPort[HOST_NAME_MAX]; |
2 | 820 |
821 #ifdef _MSC_VER | |
763
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822 _snprintf |
2 | 823 #else |
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824 snprintf |
2 | 825 #endif |
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826 (remoteHostAndPort, HOST_NAME_MAX - 1, "%s:%d", remoteHost_.c_str(), remotePort_); |
0 | 827 |
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828 Check(ASC_setPresentationAddresses(pimpl_->params_, localHost, remoteHostAndPort)); |
0 | 829 |
830 // Set various options | |
831 Check(ASC_setTransportLayerType(pimpl_->params_, /*opt_secureConnection*/ false)); | |
832 | |
662
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833 SetupPresentationContexts(preferredTransferSyntax_); |
0 | 834 |
835 // Do the association | |
836 Check(ASC_requestAssociation(pimpl_->net_, pimpl_->params_, &pimpl_->assoc_)); | |
837 | |
838 if (ASC_countAcceptedPresentationContexts(pimpl_->params_) == 0) | |
839 { | |
62 | 840 throw OrthancException("DicomUserConnection: No Acceptable Presentation Contexts"); |
0 | 841 } |
842 } | |
843 | |
844 void DicomUserConnection::Close() | |
845 { | |
846 if (pimpl_->assoc_ != NULL) | |
847 { | |
848 ASC_releaseAssociation(pimpl_->assoc_); | |
849 ASC_destroyAssociation(&pimpl_->assoc_); | |
850 pimpl_->assoc_ = NULL; | |
851 pimpl_->params_ = NULL; | |
852 } | |
853 else | |
854 { | |
855 if (pimpl_->params_ != NULL) | |
856 { | |
857 ASC_destroyAssociationParameters(&pimpl_->params_); | |
858 pimpl_->params_ = NULL; | |
859 } | |
860 } | |
861 | |
862 if (pimpl_->net_ != NULL) | |
863 { | |
864 ASC_dropNetwork(&pimpl_->net_); | |
865 pimpl_->net_ = NULL; | |
866 } | |
867 } | |
868 | |
869 bool DicomUserConnection::IsOpen() const | |
870 { | |
871 return pimpl_->IsOpen(); | |
872 } | |
873 | |
874 void DicomUserConnection::Store(const char* buffer, size_t size) | |
875 { | |
876 // Prepare an input stream for the memory buffer | |
877 DcmInputBufferStream is; | |
878 if (size > 0) | |
879 is.setBuffer(buffer, size); | |
880 is.setEos(); | |
881 | |
662
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882 pimpl_->Store(is, *this); |
0 | 883 } |
884 | |
885 void DicomUserConnection::Store(const std::string& buffer) | |
886 { | |
887 if (buffer.size() > 0) | |
888 Store(reinterpret_cast<const char*>(&buffer[0]), buffer.size()); | |
889 else | |
890 Store(NULL, 0); | |
891 } | |
892 | |
893 void DicomUserConnection::StoreFile(const std::string& path) | |
894 { | |
895 // Prepare an input stream for the file | |
896 DcmInputFileStream is(path.c_str()); | |
662
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897 pimpl_->Store(is, *this); |
0 | 898 } |
899 | |
900 bool DicomUserConnection::Echo() | |
901 { | |
902 CheckIsOpen(); | |
903 DIC_US status; | |
904 Check(DIMSE_echoUser(pimpl_->assoc_, pimpl_->assoc_->nextMsgID++, | |
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905 /*opt_blockMode*/ DIMSE_BLOCKING, |
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906 /*opt_dimse_timeout*/ pimpl_->dimseTimeout_, |
0 | 907 &status, NULL)); |
908 return status == STATUS_Success; | |
909 } | |
910 | |
911 | |
1366 | 912 static void TestAndCopyTag(DicomMap& result, |
913 const DicomMap& source, | |
914 const DicomTag& tag) | |
915 { | |
916 if (!source.HasTag(tag)) | |
917 { | |
918 throw OrthancException(ErrorCode_BadRequest); | |
919 } | |
920 else | |
921 { | |
922 result.SetValue(tag, source.GetValue(tag)); | |
923 } | |
924 } | |
925 | |
926 | |
927 void DicomUserConnection::Move(const std::string& targetAet, | |
928 const DicomMap& findResult) | |
0 | 929 { |
1366 | 930 if (!findResult.HasTag(DICOM_TAG_QUERY_RETRIEVE_LEVEL)) |
931 { | |
932 throw OrthancException(ErrorCode_InternalError); | |
933 } | |
934 | |
935 const std::string tmp = findResult.GetValue(DICOM_TAG_QUERY_RETRIEVE_LEVEL).AsString(); | |
936 ResourceType level = StringToResourceType(tmp.c_str()); | |
937 | |
938 DicomMap move; | |
939 switch (level) | |
940 { | |
941 case ResourceType_Patient: | |
942 TestAndCopyTag(move, findResult, DICOM_TAG_PATIENT_ID); | |
943 break; | |
944 | |
945 case ResourceType_Study: | |
946 TestAndCopyTag(move, findResult, DICOM_TAG_STUDY_INSTANCE_UID); | |
947 break; | |
948 | |
949 case ResourceType_Series: | |
950 TestAndCopyTag(move, findResult, DICOM_TAG_STUDY_INSTANCE_UID); | |
951 TestAndCopyTag(move, findResult, DICOM_TAG_SERIES_INSTANCE_UID); | |
952 break; | |
953 | |
954 case ResourceType_Instance: | |
955 TestAndCopyTag(move, findResult, DICOM_TAG_STUDY_INSTANCE_UID); | |
956 TestAndCopyTag(move, findResult, DICOM_TAG_SERIES_INSTANCE_UID); | |
957 TestAndCopyTag(move, findResult, DICOM_TAG_SOP_INSTANCE_UID); | |
958 break; | |
959 | |
960 default: | |
961 throw OrthancException(ErrorCode_InternalError); | |
962 } | |
963 | |
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964 MoveInternal(targetAet, level, move); |
1366 | 965 } |
966 | |
967 | |
968 void DicomUserConnection::MovePatient(const std::string& targetAet, | |
969 const std::string& patientId) | |
970 { | |
971 DicomMap query; | |
972 query.SetValue(DICOM_TAG_PATIENT_ID, patientId); | |
1371
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973 MoveInternal(targetAet, ResourceType_Patient, query); |
1366 | 974 } |
975 | |
976 void DicomUserConnection::MoveStudy(const std::string& targetAet, | |
977 const std::string& studyUid) | |
978 { | |
979 DicomMap query; | |
980 query.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, studyUid); | |
1371
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981 MoveInternal(targetAet, ResourceType_Study, query); |
0 | 982 } |
983 | |
984 void DicomUserConnection::MoveSeries(const std::string& targetAet, | |
985 const std::string& studyUid, | |
986 const std::string& seriesUid) | |
987 { | |
1366 | 988 DicomMap query; |
989 query.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, studyUid); | |
990 query.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, seriesUid); | |
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991 MoveInternal(targetAet, ResourceType_Series, query); |
0 | 992 } |
993 | |
994 void DicomUserConnection::MoveInstance(const std::string& targetAet, | |
995 const std::string& studyUid, | |
996 const std::string& seriesUid, | |
997 const std::string& instanceUid) | |
998 { | |
1366 | 999 DicomMap query; |
1000 query.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, studyUid); | |
1001 query.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, seriesUid); | |
1002 query.SetValue(DICOM_TAG_SOP_INSTANCE_UID, instanceUid); | |
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1003 MoveInternal(targetAet, ResourceType_Instance, query); |
0 | 1004 } |
1005 | |
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1006 |
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1007 void DicomUserConnection::SetTimeout(uint32_t seconds) |
0 | 1008 { |
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1009 if (seconds <= 0) |
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1010 { |
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1011 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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1012 } |
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1013 |
0 | 1014 dcmConnectionTimeout.set(seconds); |
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1015 pimpl_->dimseTimeout_ = seconds; |
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1016 pimpl_->acseTimeout_ = 10; |
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1017 } |
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1018 |
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1019 |
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1020 void DicomUserConnection::DisableTimeout() |
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1021 { |
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1022 /** |
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1023 * Global timeout (seconds) for connecting to remote hosts. |
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1024 * Default value is -1 which selects infinite timeout, i.e. blocking connect(). |
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1025 */ |
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1026 dcmConnectionTimeout.set(-1); |
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1027 pimpl_->dimseTimeout_ = 0; |
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1028 pimpl_->acseTimeout_ = 10; |
0 | 1029 } |
1030 | |
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1031 |
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1032 void DicomUserConnection::CheckStorageSOPClassesInvariant() const |
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1033 { |
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1034 assert(storageSOPClasses_.size() + |
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1035 defaultStorageSOPClasses_.size() + |
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1036 reservedStorageSOPClasses_.size() <= MAXIMUM_STORAGE_SOP_CLASSES); |
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1037 } |
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1038 |
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1039 void DicomUserConnection::AddStorageSOPClass(const char* sop) |
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1040 { |
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1041 CheckStorageSOPClassesInvariant(); |
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1042 |
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1043 if (storageSOPClasses_.find(sop) != storageSOPClasses_.end()) |
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1044 { |
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1045 // This storage SOP class is already explicitly registered. Do |
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1046 // nothing. |
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1047 return; |
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1048 } |
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1049 |
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1050 if (defaultStorageSOPClasses_.find(sop) != defaultStorageSOPClasses_.end()) |
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1051 { |
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1052 // This storage SOP class is not explicitly registered, but is |
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1053 // used by default. Just register it explicitly. |
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1054 defaultStorageSOPClasses_.erase(sop); |
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1055 storageSOPClasses_.insert(sop); |
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1056 |
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1057 CheckStorageSOPClassesInvariant(); |
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1058 return; |
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1059 } |
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1060 |
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1061 // This storage SOP class is neither explicitly, nor implicitly |
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1062 // registered. Close the connection and register it explicitly. |
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1063 |
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1064 Close(); |
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1065 |
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1066 if (reservedStorageSOPClasses_.size() + |
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1067 storageSOPClasses_.size() >= MAXIMUM_STORAGE_SOP_CLASSES) // (*) |
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1068 { |
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1069 // The maximum number of SOP classes is reached |
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1070 ResetStorageSOPClasses(); |
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1071 defaultStorageSOPClasses_.erase(sop); |
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1072 } |
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1073 else if (reservedStorageSOPClasses_.size() + storageSOPClasses_.size() + |
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1074 defaultStorageSOPClasses_.size() >= MAXIMUM_STORAGE_SOP_CLASSES) |
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1075 { |
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1076 // Make room in the default storage syntaxes |
1303 | 1077 assert(!defaultStorageSOPClasses_.empty()); // Necessarily true because condition (*) is false |
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1078 defaultStorageSOPClasses_.erase(*defaultStorageSOPClasses_.rbegin()); |
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1079 } |
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1080 |
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1081 // Explicitly register the new storage syntax |
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1082 storageSOPClasses_.insert(sop); |
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1083 |
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1084 CheckStorageSOPClassesInvariant(); |
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1085 } |
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1086 |
0 | 1087 } |