Mercurial > hg > orthanc
annotate OrthancServer/DicomProtocol/DicomUserConnection.cpp @ 974:83622b0f544c
refactoring
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 30 Jun 2014 14:44:05 +0200 |
| parents | b3f6fb1130cd |
| children | c2c28dd17e87 9d0c7301596e |
| 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 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 | |
| 62 | 84 #include "../../Core/OrthancException.h" |
| 0 | 85 #include "../ToDcmtkBridge.h" |
| 86 #include "../FromDcmtkBridge.h" | |
| 87 | |
| 88 #include <dcmtk/dcmdata/dcistrmb.h> | |
| 89 #include <dcmtk/dcmdata/dcistrmf.h> | |
| 90 #include <dcmtk/dcmdata/dcfilefo.h> | |
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91 #include <dcmtk/dcmdata/dcmetinf.h> |
| 0 | 92 #include <dcmtk/dcmnet/diutil.h> |
| 93 | |
| 94 #include <set> | |
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95 #include <glog/logging.h> |
| 0 | 96 |
| 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 | |
| 138 T_ASC_Network* net_; | |
| 139 T_ASC_Parameters* params_; | |
| 140 T_ASC_Association* assoc_; | |
| 141 | |
| 142 bool IsOpen() const | |
| 143 { | |
| 144 return assoc_ != NULL; | |
| 145 } | |
| 146 | |
| 147 void CheckIsOpen() const; | |
| 148 | |
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149 void Store(DcmInputStream& is, DicomUserConnection& connection); |
| 0 | 150 }; |
| 151 | |
| 152 | |
| 153 static void Check(const OFCondition& cond) | |
| 154 { | |
| 155 if (cond.bad()) | |
| 156 { | |
| 62 | 157 throw OrthancException("DicomUserConnection: " + std::string(cond.text())); |
| 0 | 158 } |
| 159 } | |
| 160 | |
| 161 void DicomUserConnection::PImpl::CheckIsOpen() const | |
| 162 { | |
| 163 if (!IsOpen()) | |
| 164 { | |
| 62 | 165 throw OrthancException("DicomUserConnection: First open the connection"); |
| 0 | 166 } |
| 167 } | |
| 168 | |
| 169 | |
| 170 void DicomUserConnection::CheckIsOpen() const | |
| 171 { | |
| 172 pimpl_->CheckIsOpen(); | |
| 173 } | |
| 174 | |
| 175 | |
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176 static void RegisterStorageSOPClass(T_ASC_Parameters* params, |
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177 unsigned int& presentationContextId, |
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178 const std::string& sopClass, |
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179 const char* asPreferred[], |
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180 std::vector<const char*>& asFallback) |
| 0 | 181 { |
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182 Check(ASC_addPresentationContext(params, presentationContextId, |
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183 sopClass.c_str(), asPreferred, 1)); |
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184 presentationContextId += 2; |
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185 |
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186 if (asFallback.size() > 0) |
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187 { |
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188 Check(ASC_addPresentationContext(params, presentationContextId, |
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189 sopClass.c_str(), &asFallback[0], asFallback.size())); |
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190 presentationContextId += 2; |
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191 } |
| 0 | 192 } |
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193 |
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194 |
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195 void DicomUserConnection::SetupPresentationContexts(const std::string& preferredTransferSyntax) |
| 0 | 196 { |
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197 // Flatten an array with the preferred transfer syntax |
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198 const char* asPreferred[1] = { preferredTransferSyntax.c_str() }; |
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199 |
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200 // Setup the fallback transfer syntaxes |
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201 std::set<std::string> fallbackSyntaxes; |
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202 fallbackSyntaxes.insert(UID_LittleEndianExplicitTransferSyntax); |
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203 fallbackSyntaxes.insert(UID_BigEndianExplicitTransferSyntax); |
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204 fallbackSyntaxes.insert(UID_LittleEndianImplicitTransferSyntax); |
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205 fallbackSyntaxes.erase(preferredTransferSyntax); |
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206 |
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207 // Flatten an array with the fallback transfer syntaxes |
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208 std::vector<const char*> asFallback; |
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209 asFallback.reserve(fallbackSyntaxes.size()); |
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210 for (std::set<std::string>::const_iterator |
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211 it = fallbackSyntaxes.begin(); it != fallbackSyntaxes.end(); ++it) |
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212 { |
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213 asFallback.push_back(it->c_str()); |
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214 } |
| 0 | 215 |
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216 CheckStorageSOPClassesInvariant(); |
| 0 | 217 unsigned int presentationContextId = 1; |
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218 |
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219 for (std::list<std::string>::const_iterator it = reservedStorageSOPClasses_.begin(); |
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220 it != reservedStorageSOPClasses_.end(); ++it) |
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222 RegisterStorageSOPClass(pimpl_->params_, presentationContextId, |
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223 *it, asPreferred, asFallback); |
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224 } |
| 0 | 225 |
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226 for (std::set<std::string>::const_iterator it = storageSOPClasses_.begin(); |
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227 it != storageSOPClasses_.end(); ++it) |
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228 { |
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229 RegisterStorageSOPClass(pimpl_->params_, presentationContextId, |
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230 *it, asPreferred, asFallback); |
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231 } |
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232 |
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233 for (std::set<std::string>::const_iterator it = defaultStorageSOPClasses_.begin(); |
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234 it != defaultStorageSOPClasses_.end(); ++it) |
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235 { |
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236 RegisterStorageSOPClass(pimpl_->params_, presentationContextId, |
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237 *it, asPreferred, asFallback); |
| 0 | 238 } |
| 239 } | |
| 240 | |
| 241 | |
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242 static bool IsGenericTransferSyntax(const std::string& syntax) |
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243 { |
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244 return (syntax == UID_LittleEndianExplicitTransferSyntax || |
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245 syntax == UID_BigEndianExplicitTransferSyntax || |
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246 syntax == UID_LittleEndianImplicitTransferSyntax); |
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247 } |
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248 |
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249 |
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250 void DicomUserConnection::PImpl::Store(DcmInputStream& is, DicomUserConnection& connection) |
| 0 | 251 { |
| 252 CheckIsOpen(); | |
| 253 | |
| 254 DcmFileFormat dcmff; | |
| 255 Check(dcmff.read(is, EXS_Unknown, EGL_noChange, DCM_MaxReadLength)); | |
| 256 | |
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257 // Determine the storage SOP class UID for this instance |
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258 static const DcmTagKey DCM_SOP_CLASS_UID(0x0008, 0x0016); |
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259 OFString sopClassUid; |
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260 if (dcmff.getDataset()->findAndGetOFString(DCM_SOP_CLASS_UID, sopClassUid).good()) |
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261 { |
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262 connection.AddStorageSOPClass(sopClassUid.c_str()); |
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263 } |
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264 |
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265 // Determine whether a new presentation context must be |
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266 // negotiated, depending on the transfer syntax of this instance |
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267 DcmXfer xfer(dcmff.getDataset()->getOriginalXfer()); |
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268 const std::string syntax(xfer.getXferID()); |
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269 bool isGeneric = IsGenericTransferSyntax(syntax); |
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270 |
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271 if (isGeneric ^ IsGenericTransferSyntax(connection.GetPreferredTransferSyntax())) |
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272 { |
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273 // Making a generic-to-specific or specific-to-generic change of |
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274 // the transfer syntax. Renegotiate the connection. |
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275 LOG(INFO) << "Change in the transfer syntax: the C-Store associated must be renegotiated"; |
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276 |
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277 if (isGeneric) |
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278 { |
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279 connection.ResetPreferredTransferSyntax(); |
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280 } |
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281 else |
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282 { |
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283 connection.SetPreferredTransferSyntax(syntax); |
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284 } |
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285 } |
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286 |
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287 if (!connection.IsOpen()) |
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288 { |
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289 LOG(INFO) << "Renegotiating a C-Store association due to a change in the parameters"; |
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290 connection.Open(); |
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291 } |
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292 |
| 0 | 293 // Figure out which SOP class and SOP instance is encapsulated in the file |
| 294 DIC_UI sopClass; | |
| 295 DIC_UI sopInstance; | |
| 296 if (!DU_findSOPClassAndInstanceInDataSet(dcmff.getDataset(), sopClass, sopInstance)) | |
| 297 { | |
| 62 | 298 throw OrthancException("DicomUserConnection: Unable to find the SOP class and instance"); |
| 0 | 299 } |
| 300 | |
| 301 // Figure out which of the accepted presentation contexts should be used | |
| 302 int presID = ASC_findAcceptedPresentationContextID(assoc_, sopClass); | |
| 303 if (presID == 0) | |
| 304 { | |
| 305 const char *modalityName = dcmSOPClassUIDToModality(sopClass); | |
| 306 if (!modalityName) modalityName = dcmFindNameOfUID(sopClass); | |
| 307 if (!modalityName) modalityName = "unknown SOP class"; | |
| 62 | 308 throw OrthancException("DicomUserConnection: No presentation context for modality " + |
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309 std::string(modalityName)); |
| 0 | 310 } |
| 311 | |
| 312 // Prepare the transmission of data | |
| 313 T_DIMSE_C_StoreRQ req; | |
| 314 memset(&req, 0, sizeof(req)); | |
| 315 req.MessageID = assoc_->nextMsgID++; | |
| 316 strcpy(req.AffectedSOPClassUID, sopClass); | |
| 317 strcpy(req.AffectedSOPInstanceUID, sopInstance); | |
| 318 req.DataSetType = DIMSE_DATASET_PRESENT; | |
| 319 req.Priority = DIMSE_PRIORITY_MEDIUM; | |
| 320 | |
| 321 // Finally conduct transmission of data | |
| 322 T_DIMSE_C_StoreRSP rsp; | |
| 323 DcmDataset* statusDetail = NULL; | |
| 324 Check(DIMSE_storeUser(assoc_, presID, &req, | |
| 325 NULL, dcmff.getDataset(), /*progressCallback*/ NULL, NULL, | |
| 326 /*opt_blockMode*/ DIMSE_BLOCKING, /*opt_dimse_timeout*/ 0, | |
| 327 &rsp, &statusDetail, NULL)); | |
| 328 | |
| 329 if (statusDetail != NULL) | |
| 330 { | |
| 331 delete statusDetail; | |
| 332 } | |
| 333 } | |
| 334 | |
| 335 | |
| 336 static void FindCallback( | |
| 337 /* in */ | |
| 338 void *callbackData, | |
| 339 T_DIMSE_C_FindRQ *request, /* original find request */ | |
| 340 int responseCount, | |
| 341 T_DIMSE_C_FindRSP *response, /* pending response received */ | |
| 342 DcmDataset *responseIdentifiers /* pending response identifiers */ | |
| 343 ) | |
| 344 { | |
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345 DicomFindAnswers& answers = *reinterpret_cast<DicomFindAnswers*>(callbackData); |
| 0 | 346 |
| 347 if (responseIdentifiers != NULL) | |
| 348 { | |
| 349 DicomMap m; | |
| 350 FromDcmtkBridge::Convert(m, *responseIdentifiers); | |
| 351 answers.Add(m); | |
| 352 } | |
| 353 } | |
| 354 | |
| 355 void DicomUserConnection::Find(DicomFindAnswers& result, | |
| 356 FindRootModel model, | |
| 357 const DicomMap& fields) | |
| 358 { | |
| 359 CheckIsOpen(); | |
| 360 | |
| 361 const char* sopClass; | |
| 362 std::auto_ptr<DcmDataset> dataset(ToDcmtkBridge::Convert(fields)); | |
| 363 switch (model) | |
| 364 { | |
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365 case FindRootModel_Patient: |
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366 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "PATIENT"); |
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367 sopClass = UID_FINDPatientRootQueryRetrieveInformationModel; |
| 0 | 368 |
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369 // Accession number |
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370 if (!fields.HasTag(0x0008, 0x0050)) |
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371 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0050), ""); |
| 0 | 372 |
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373 // Patient ID |
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374 if (!fields.HasTag(0x0010, 0x0020)) |
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375 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0010, 0x0020), ""); |
| 0 | 376 |
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377 break; |
| 0 | 378 |
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379 case FindRootModel_Study: |
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380 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "STUDY"); |
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381 sopClass = UID_FINDStudyRootQueryRetrieveInformationModel; |
| 0 | 382 |
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383 // Accession number |
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384 if (!fields.HasTag(0x0008, 0x0050)) |
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385 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0050), ""); |
| 0 | 386 |
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387 // Study instance UID |
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388 if (!fields.HasTag(0x0020, 0x000d)) |
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389 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000d), ""); |
| 0 | 390 |
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391 break; |
| 0 | 392 |
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393 case FindRootModel_Series: |
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394 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "SERIES"); |
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395 sopClass = UID_FINDStudyRootQueryRetrieveInformationModel; |
| 0 | 396 |
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397 // Accession number |
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398 if (!fields.HasTag(0x0008, 0x0050)) |
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399 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0050), ""); |
| 0 | 400 |
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401 // Study instance UID |
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402 if (!fields.HasTag(0x0020, 0x000d)) |
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403 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000d), ""); |
| 0 | 404 |
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405 // Series instance UID |
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406 if (!fields.HasTag(0x0020, 0x000e)) |
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407 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000e), ""); |
| 0 | 408 |
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409 break; |
| 0 | 410 |
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411 case FindRootModel_Instance: |
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412 if (manufacturer_ == ModalityManufacturer_ClearCanvas || |
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413 manufacturer_ == ModalityManufacturer_Dcm4Chee) |
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414 { |
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415 // This is a particular case for ClearCanvas, thanks to Peter Somlo <peter.somlo@gmail.com>. |
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416 // https://groups.google.com/d/msg/orthanc-users/j-6C3MAVwiw/iolB9hclom8J |
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417 // http://www.clearcanvas.ca/Home/Community/OldForums/tabid/526/aff/11/aft/14670/afv/topic/Default.aspx |
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418 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "IMAGE"); |
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419 } |
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420 else |
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421 { |
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422 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "INSTANCE"); |
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423 } |
|
519
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424 |
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425 sopClass = UID_FINDStudyRootQueryRetrieveInformationModel; |
| 0 | 426 |
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427 // Accession number |
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428 if (!fields.HasTag(0x0008, 0x0050)) |
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429 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0050), ""); |
| 0 | 430 |
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431 // Study instance UID |
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432 if (!fields.HasTag(0x0020, 0x000d)) |
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433 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000d), ""); |
| 0 | 434 |
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435 // Series instance UID |
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436 if (!fields.HasTag(0x0020, 0x000e)) |
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437 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000e), ""); |
| 0 | 438 |
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439 // SOP Instance UID |
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440 if (!fields.HasTag(0x0008, 0x0018)) |
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441 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0018), ""); |
| 0 | 442 |
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443 break; |
| 0 | 444 |
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445 default: |
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446 throw OrthancException(ErrorCode_ParameterOutOfRange); |
| 0 | 447 } |
| 448 | |
| 449 // Figure out which of the accepted presentation contexts should be used | |
| 450 int presID = ASC_findAcceptedPresentationContextID(pimpl_->assoc_, sopClass); | |
| 451 if (presID == 0) | |
| 452 { | |
| 62 | 453 throw OrthancException("DicomUserConnection: The C-FIND command is not supported by the distant AET"); |
| 0 | 454 } |
| 455 | |
| 456 T_DIMSE_C_FindRQ request; | |
| 457 memset(&request, 0, sizeof(request)); | |
| 458 request.MessageID = pimpl_->assoc_->nextMsgID++; | |
| 459 strcpy(request.AffectedSOPClassUID, sopClass); | |
| 460 request.DataSetType = DIMSE_DATASET_PRESENT; | |
| 461 request.Priority = DIMSE_PRIORITY_MEDIUM; | |
| 462 | |
| 463 T_DIMSE_C_FindRSP response; | |
| 464 DcmDataset* statusDetail = NULL; | |
| 465 OFCondition cond = DIMSE_findUser(pimpl_->assoc_, presID, &request, dataset.get(), | |
| 466 FindCallback, &result, | |
| 467 /*opt_blockMode*/ DIMSE_BLOCKING, /*opt_dimse_timeout*/ 0, | |
| 468 &response, &statusDetail); | |
| 469 | |
| 470 if (statusDetail) | |
| 471 { | |
| 472 delete statusDetail; | |
| 473 } | |
| 474 | |
| 475 Check(cond); | |
| 476 } | |
| 477 | |
| 478 | |
| 479 void DicomUserConnection::FindPatient(DicomFindAnswers& result, | |
| 480 const DicomMap& fields) | |
| 481 { | |
| 482 // Only keep the filters from "fields" that are related to the patient | |
| 483 DicomMap s; | |
| 484 fields.ExtractPatientInformation(s); | |
| 485 Find(result, FindRootModel_Patient, s); | |
| 486 } | |
| 487 | |
| 488 void DicomUserConnection::FindStudy(DicomFindAnswers& result, | |
| 489 const DicomMap& fields) | |
| 490 { | |
| 491 // Only keep the filters from "fields" that are related to the study | |
| 492 DicomMap s; | |
| 493 fields.ExtractStudyInformation(s); | |
| 494 | |
| 80 | 495 s.CopyTagIfExists(fields, DICOM_TAG_PATIENT_ID); |
| 496 s.CopyTagIfExists(fields, DICOM_TAG_ACCESSION_NUMBER); | |
| 725 | 497 s.CopyTagIfExists(fields, DICOM_TAG_MODALITIES_IN_STUDY); |
| 0 | 498 |
| 499 Find(result, FindRootModel_Study, s); | |
| 500 } | |
| 501 | |
| 502 void DicomUserConnection::FindSeries(DicomFindAnswers& result, | |
| 503 const DicomMap& fields) | |
| 504 { | |
| 505 // Only keep the filters from "fields" that are related to the series | |
| 506 DicomMap s; | |
| 507 fields.ExtractSeriesInformation(s); | |
| 508 | |
| 80 | 509 s.CopyTagIfExists(fields, DICOM_TAG_PATIENT_ID); |
| 510 s.CopyTagIfExists(fields, DICOM_TAG_ACCESSION_NUMBER); | |
| 511 s.CopyTagIfExists(fields, DICOM_TAG_STUDY_INSTANCE_UID); | |
| 0 | 512 |
| 513 Find(result, FindRootModel_Series, s); | |
| 514 } | |
| 515 | |
| 516 void DicomUserConnection::FindInstance(DicomFindAnswers& result, | |
| 517 const DicomMap& fields) | |
| 518 { | |
| 519 // Only keep the filters from "fields" that are related to the instance | |
| 520 DicomMap s; | |
| 521 fields.ExtractInstanceInformation(s); | |
| 522 | |
| 80 | 523 s.CopyTagIfExists(fields, DICOM_TAG_PATIENT_ID); |
| 524 s.CopyTagIfExists(fields, DICOM_TAG_ACCESSION_NUMBER); | |
| 525 s.CopyTagIfExists(fields, DICOM_TAG_STUDY_INSTANCE_UID); | |
| 526 s.CopyTagIfExists(fields, DICOM_TAG_SERIES_INSTANCE_UID); | |
| 0 | 527 |
| 528 Find(result, FindRootModel_Instance, s); | |
| 529 } | |
| 530 | |
| 531 | |
| 532 void DicomUserConnection::Move(const std::string& targetAet, | |
| 533 const DicomMap& fields) | |
| 534 { | |
| 535 CheckIsOpen(); | |
| 536 | |
| 537 const char* sopClass = UID_MOVEStudyRootQueryRetrieveInformationModel; | |
| 538 std::auto_ptr<DcmDataset> dataset(ToDcmtkBridge::Convert(fields)); | |
| 539 | |
| 540 // Figure out which of the accepted presentation contexts should be used | |
| 541 int presID = ASC_findAcceptedPresentationContextID(pimpl_->assoc_, sopClass); | |
| 542 if (presID == 0) | |
| 543 { | |
| 62 | 544 throw OrthancException("DicomUserConnection: The C-MOVE command is not supported by the distant AET"); |
| 0 | 545 } |
| 546 | |
| 547 T_DIMSE_C_MoveRQ request; | |
| 548 memset(&request, 0, sizeof(request)); | |
| 549 request.MessageID = pimpl_->assoc_->nextMsgID++; | |
| 550 strcpy(request.AffectedSOPClassUID, sopClass); | |
| 551 request.DataSetType = DIMSE_DATASET_PRESENT; | |
| 552 request.Priority = DIMSE_PRIORITY_MEDIUM; | |
| 553 strncpy(request.MoveDestination, targetAet.c_str(), sizeof(DIC_AE) / sizeof(char)); | |
| 554 | |
| 555 T_DIMSE_C_MoveRSP response; | |
| 556 DcmDataset* statusDetail = NULL; | |
| 557 DcmDataset* responseIdentifiers = NULL; | |
| 558 OFCondition cond = DIMSE_moveUser(pimpl_->assoc_, presID, &request, dataset.get(), | |
| 559 NULL, NULL, | |
| 560 /*opt_blockMode*/ DIMSE_BLOCKING, /*opt_dimse_timeout*/ 0, | |
| 561 pimpl_->net_, NULL, NULL, | |
| 562 &response, &statusDetail, &responseIdentifiers); | |
| 563 | |
| 564 if (statusDetail) | |
| 565 { | |
| 566 delete statusDetail; | |
| 567 } | |
| 568 | |
| 569 if (responseIdentifiers) | |
| 570 { | |
| 571 delete responseIdentifiers; | |
| 572 } | |
| 573 | |
| 574 Check(cond); | |
| 575 } | |
| 576 | |
| 577 | |
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578 void DicomUserConnection::ResetStorageSOPClasses() |
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579 { |
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580 CheckStorageSOPClassesInvariant(); |
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581 |
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582 storageSOPClasses_.clear(); |
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583 defaultStorageSOPClasses_.clear(); |
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584 |
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585 // Copy the short list of storage SOP classes from DCMTK, making |
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586 // room for the 4 SOP classes reserved for C-ECHO, C-FIND, C-MOVE. |
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587 |
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588 std::set<std::string> uncommon; |
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589 uncommon.insert(UID_BlendingSoftcopyPresentationStateStorage); |
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590 uncommon.insert(UID_GrayscaleSoftcopyPresentationStateStorage); |
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591 uncommon.insert(UID_ColorSoftcopyPresentationStateStorage); |
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592 uncommon.insert(UID_PseudoColorSoftcopyPresentationStateStorage); |
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593 |
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594 // Add the storage syntaxes for C-STORE |
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595 for (int i = 0; i < numberOfDcmShortSCUStorageSOPClassUIDs - 1; i++) |
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596 { |
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597 if (uncommon.find(dcmShortSCUStorageSOPClassUIDs[i]) == uncommon.end()) |
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598 { |
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599 defaultStorageSOPClasses_.insert(dcmShortSCUStorageSOPClassUIDs[i]); |
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600 } |
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601 } |
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602 |
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603 CheckStorageSOPClassesInvariant(); |
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604 } |
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605 |
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606 |
| 656 | 607 DicomUserConnection::DicomUserConnection() : |
| 608 pimpl_(new PImpl), | |
|
666
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609 preferredTransferSyntax_(DEFAULT_PREFERRED_TRANSFER_SYNTAX), |
| 656 | 610 localAet_("STORESCU"), |
| 611 distantAet_("ANY-SCP"), | |
| 612 distantHost_("127.0.0.1") | |
| 0 | 613 { |
| 614 distantPort_ = 104; | |
|
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615 manufacturer_ = ModalityManufacturer_Generic; |
| 0 | 616 |
| 617 pimpl_->net_ = NULL; | |
| 618 pimpl_->params_ = NULL; | |
| 619 pimpl_->assoc_ = NULL; | |
|
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620 |
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621 // SOP classes for C-ECHO, C-FIND and C-MOVE |
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622 reservedStorageSOPClasses_.push_back(UID_VerificationSOPClass); |
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623 reservedStorageSOPClasses_.push_back(UID_FINDPatientRootQueryRetrieveInformationModel); |
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624 reservedStorageSOPClasses_.push_back(UID_FINDStudyRootQueryRetrieveInformationModel); |
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625 reservedStorageSOPClasses_.push_back(UID_MOVEStudyRootQueryRetrieveInformationModel); |
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626 |
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627 ResetStorageSOPClasses(); |
| 0 | 628 } |
| 629 | |
| 630 DicomUserConnection::~DicomUserConnection() | |
| 631 { | |
| 632 Close(); | |
| 633 } | |
| 634 | |
|
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635 |
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636 void DicomUserConnection::Connect(const RemoteModalityParameters& parameters) |
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637 { |
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638 SetDistantApplicationEntityTitle(parameters.GetApplicationEntityTitle()); |
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639 SetDistantHost(parameters.GetHost()); |
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640 SetDistantPort(parameters.GetPort()); |
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641 SetDistantManufacturer(parameters.GetManufacturer()); |
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642 } |
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643 |
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644 |
| 0 | 645 void DicomUserConnection::SetLocalApplicationEntityTitle(const std::string& aet) |
| 646 { | |
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647 if (localAet_ != aet) |
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648 { |
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649 Close(); |
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650 localAet_ = aet; |
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651 } |
| 0 | 652 } |
| 653 | |
| 654 void DicomUserConnection::SetDistantApplicationEntityTitle(const std::string& aet) | |
| 655 { | |
|
662
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656 if (distantAet_ != aet) |
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657 { |
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658 Close(); |
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659 distantAet_ = aet; |
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660 } |
| 0 | 661 } |
| 662 | |
|
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663 void DicomUserConnection::SetDistantManufacturer(ModalityManufacturer manufacturer) |
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664 { |
|
662
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665 if (manufacturer_ != manufacturer) |
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666 { |
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667 Close(); |
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668 manufacturer_ = manufacturer; |
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669 } |
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670 } |
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671 |
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672 void DicomUserConnection::ResetPreferredTransferSyntax() |
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673 { |
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674 SetPreferredTransferSyntax(DEFAULT_PREFERRED_TRANSFER_SYNTAX); |
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675 } |
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676 |
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677 void DicomUserConnection::SetPreferredTransferSyntax(const std::string& preferredTransferSyntax) |
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678 { |
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679 if (preferredTransferSyntax_ != preferredTransferSyntax) |
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680 { |
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681 Close(); |
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682 preferredTransferSyntax_ = preferredTransferSyntax; |
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683 } |
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684 } |
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685 |
| 0 | 686 |
| 687 void DicomUserConnection::SetDistantHost(const std::string& host) | |
| 688 { | |
|
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689 if (distantHost_ != host) |
| 0 | 690 { |
|
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691 if (host.size() > HOST_NAME_MAX - 10) |
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692 { |
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693 throw OrthancException("Distant host name is too long"); |
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694 } |
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695 |
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696 Close(); |
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697 distantHost_ = host; |
| 0 | 698 } |
| 699 } | |
| 700 | |
| 701 void DicomUserConnection::SetDistantPort(uint16_t port) | |
| 702 { | |
|
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703 if (distantPort_ != port) |
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704 { |
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705 Close(); |
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706 distantPort_ = port; |
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707 } |
| 0 | 708 } |
| 709 | |
| 710 void DicomUserConnection::Open() | |
| 711 { | |
|
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712 if (IsOpen()) |
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713 { |
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714 // Don't reopen the connection |
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715 return; |
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716 } |
| 0 | 717 |
|
769
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718 LOG(INFO) << "Opening a DICOM SCU connection from AET \"" << GetLocalApplicationEntityTitle() |
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719 << "\" to AET \"" << GetDistantApplicationEntityTitle() << "\" on host " |
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720 << GetDistantHost() << ":" << GetDistantPort() |
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721 << " (manufacturer: " << EnumerationToString(GetDistantManufacturer()) << ")"; |
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722 |
| 0 | 723 Check(ASC_initializeNetwork(NET_REQUESTOR, 0, /*opt_acse_timeout*/ 30, &pimpl_->net_)); |
| 724 Check(ASC_createAssociationParameters(&pimpl_->params_, /*opt_maxReceivePDULength*/ ASC_DEFAULTMAXPDU)); | |
| 725 | |
| 726 // Set this application's title and the called application's title in the params | |
| 727 Check(ASC_setAPTitles(pimpl_->params_, localAet_.c_str(), distantAet_.c_str(), NULL)); | |
| 728 | |
| 729 // Set the network addresses of the local and distant entities | |
| 730 char localHost[HOST_NAME_MAX]; | |
| 731 gethostname(localHost, HOST_NAME_MAX - 1); | |
| 732 | |
| 733 char distantHostAndPort[HOST_NAME_MAX]; | |
| 2 | 734 |
| 735 #ifdef _MSC_VER | |
|
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736 _snprintf |
| 2 | 737 #else |
|
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738 snprintf |
| 2 | 739 #endif |
|
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740 (distantHostAndPort, HOST_NAME_MAX - 1, "%s:%d", distantHost_.c_str(), distantPort_); |
| 0 | 741 |
| 742 Check(ASC_setPresentationAddresses(pimpl_->params_, localHost, distantHostAndPort)); | |
| 743 | |
| 744 // Set various options | |
| 745 Check(ASC_setTransportLayerType(pimpl_->params_, /*opt_secureConnection*/ false)); | |
| 746 | |
|
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747 SetupPresentationContexts(preferredTransferSyntax_); |
| 0 | 748 |
| 749 // Do the association | |
| 750 Check(ASC_requestAssociation(pimpl_->net_, pimpl_->params_, &pimpl_->assoc_)); | |
| 751 | |
| 752 if (ASC_countAcceptedPresentationContexts(pimpl_->params_) == 0) | |
| 753 { | |
| 62 | 754 throw OrthancException("DicomUserConnection: No Acceptable Presentation Contexts"); |
| 0 | 755 } |
| 756 } | |
| 757 | |
| 758 void DicomUserConnection::Close() | |
| 759 { | |
| 760 if (pimpl_->assoc_ != NULL) | |
| 761 { | |
| 762 ASC_releaseAssociation(pimpl_->assoc_); | |
| 763 ASC_destroyAssociation(&pimpl_->assoc_); | |
| 764 pimpl_->assoc_ = NULL; | |
| 765 pimpl_->params_ = NULL; | |
| 766 } | |
| 767 else | |
| 768 { | |
| 769 if (pimpl_->params_ != NULL) | |
| 770 { | |
| 771 ASC_destroyAssociationParameters(&pimpl_->params_); | |
| 772 pimpl_->params_ = NULL; | |
| 773 } | |
| 774 } | |
| 775 | |
| 776 if (pimpl_->net_ != NULL) | |
| 777 { | |
| 778 ASC_dropNetwork(&pimpl_->net_); | |
| 779 pimpl_->net_ = NULL; | |
| 780 } | |
| 781 } | |
| 782 | |
| 783 bool DicomUserConnection::IsOpen() const | |
| 784 { | |
| 785 return pimpl_->IsOpen(); | |
| 786 } | |
| 787 | |
| 788 void DicomUserConnection::Store(const char* buffer, size_t size) | |
| 789 { | |
| 790 // Prepare an input stream for the memory buffer | |
| 791 DcmInputBufferStream is; | |
| 792 if (size > 0) | |
| 793 is.setBuffer(buffer, size); | |
| 794 is.setEos(); | |
| 795 | |
|
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796 pimpl_->Store(is, *this); |
| 0 | 797 } |
| 798 | |
| 799 void DicomUserConnection::Store(const std::string& buffer) | |
| 800 { | |
| 801 if (buffer.size() > 0) | |
| 802 Store(reinterpret_cast<const char*>(&buffer[0]), buffer.size()); | |
| 803 else | |
| 804 Store(NULL, 0); | |
| 805 } | |
| 806 | |
| 807 void DicomUserConnection::StoreFile(const std::string& path) | |
| 808 { | |
| 809 // Prepare an input stream for the file | |
| 810 DcmInputFileStream is(path.c_str()); | |
|
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811 pimpl_->Store(is, *this); |
| 0 | 812 } |
| 813 | |
| 814 bool DicomUserConnection::Echo() | |
| 815 { | |
| 816 CheckIsOpen(); | |
| 817 DIC_US status; | |
| 818 Check(DIMSE_echoUser(pimpl_->assoc_, pimpl_->assoc_->nextMsgID++, | |
| 819 /*opt_blockMode*/ DIMSE_BLOCKING, /*opt_dimse_timeout*/ 0, | |
| 820 &status, NULL)); | |
| 821 return status == STATUS_Success; | |
| 822 } | |
| 823 | |
| 824 | |
| 825 void DicomUserConnection::MoveSeries(const std::string& targetAet, | |
| 826 const DicomMap& findResult) | |
| 827 { | |
| 828 DicomMap simplified; | |
| 80 | 829 simplified.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, findResult.GetValue(DICOM_TAG_STUDY_INSTANCE_UID)); |
| 830 simplified.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, findResult.GetValue(DICOM_TAG_SERIES_INSTANCE_UID)); | |
| 0 | 831 Move(targetAet, simplified); |
| 832 } | |
| 833 | |
| 834 void DicomUserConnection::MoveSeries(const std::string& targetAet, | |
| 835 const std::string& studyUid, | |
| 836 const std::string& seriesUid) | |
| 837 { | |
| 838 DicomMap map; | |
| 80 | 839 map.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, studyUid); |
| 840 map.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, seriesUid); | |
| 0 | 841 Move(targetAet, map); |
| 842 } | |
| 843 | |
| 844 void DicomUserConnection::MoveInstance(const std::string& targetAet, | |
| 845 const DicomMap& findResult) | |
| 846 { | |
| 847 DicomMap simplified; | |
| 80 | 848 simplified.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, findResult.GetValue(DICOM_TAG_STUDY_INSTANCE_UID)); |
| 849 simplified.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, findResult.GetValue(DICOM_TAG_SERIES_INSTANCE_UID)); | |
| 850 simplified.SetValue(DICOM_TAG_SOP_INSTANCE_UID, findResult.GetValue(DICOM_TAG_SOP_INSTANCE_UID)); | |
| 0 | 851 Move(targetAet, simplified); |
| 852 } | |
| 853 | |
| 854 void DicomUserConnection::MoveInstance(const std::string& targetAet, | |
| 855 const std::string& studyUid, | |
| 856 const std::string& seriesUid, | |
| 857 const std::string& instanceUid) | |
| 858 { | |
| 859 DicomMap map; | |
| 80 | 860 map.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, studyUid); |
| 861 map.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, seriesUid); | |
| 862 map.SetValue(DICOM_TAG_SOP_INSTANCE_UID, instanceUid); | |
| 0 | 863 Move(targetAet, map); |
| 864 } | |
| 865 | |
| 866 void DicomUserConnection::SetConnectionTimeout(uint32_t seconds) | |
| 867 { | |
| 868 dcmConnectionTimeout.set(seconds); | |
| 869 } | |
| 870 | |
|
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871 |
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872 void DicomUserConnection::CheckStorageSOPClassesInvariant() const |
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873 { |
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874 assert(storageSOPClasses_.size() + |
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875 defaultStorageSOPClasses_.size() + |
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876 reservedStorageSOPClasses_.size() <= MAXIMUM_STORAGE_SOP_CLASSES); |
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877 } |
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878 |
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879 void DicomUserConnection::AddStorageSOPClass(const char* sop) |
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880 { |
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881 CheckStorageSOPClassesInvariant(); |
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882 |
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883 if (storageSOPClasses_.find(sop) != storageSOPClasses_.end()) |
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884 { |
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885 // This storage SOP class is already explicitly registered. Do |
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886 // nothing. |
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887 return; |
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888 } |
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889 |
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890 if (defaultStorageSOPClasses_.find(sop) != defaultStorageSOPClasses_.end()) |
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891 { |
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892 // This storage SOP class is not explicitly registered, but is |
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893 // used by default. Just register it explicitly. |
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894 defaultStorageSOPClasses_.erase(sop); |
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895 storageSOPClasses_.insert(sop); |
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896 |
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897 CheckStorageSOPClassesInvariant(); |
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898 return; |
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899 } |
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900 |
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901 // This storage SOP class is neither explicitly, nor implicitly |
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902 // registered. Close the connection and register it explicitly. |
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903 |
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904 Close(); |
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905 |
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906 if (reservedStorageSOPClasses_.size() + |
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907 storageSOPClasses_.size() >= MAXIMUM_STORAGE_SOP_CLASSES) // (*) |
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908 { |
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909 // The maximum number of SOP classes is reached |
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910 ResetStorageSOPClasses(); |
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911 defaultStorageSOPClasses_.erase(sop); |
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912 } |
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913 else if (reservedStorageSOPClasses_.size() + storageSOPClasses_.size() + |
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914 defaultStorageSOPClasses_.size() >= MAXIMUM_STORAGE_SOP_CLASSES) |
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915 { |
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916 // Make room in the default storage syntaxes |
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917 assert(defaultStorageSOPClasses_.size() > 0); // Necessarily true because condition (*) is false |
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918 defaultStorageSOPClasses_.erase(*defaultStorageSOPClasses_.rbegin()); |
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919 } |
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920 |
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921 // Explicitly register the new storage syntax |
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922 storageSOPClasses_.insert(sop); |
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923 |
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924 CheckStorageSOPClassesInvariant(); |
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925 } |
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926 |
| 0 | 927 } |