Mercurial > hg > orthanc
annotate OrthancServer/DicomProtocol/DicomUserConnection.cpp @ 769:3f946e5c3802
ReusableDicomUserConnection
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 30 Apr 2014 13:49:41 +0200 |
| parents | 0a2f8c707c78 |
| children | 31cc399c7762 |
| 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 |
| 0 | 81 #include "DicomUserConnection.h" |
| 82 | |
| 62 | 83 #include "../../Core/OrthancException.h" |
| 0 | 84 #include "../ToDcmtkBridge.h" |
| 85 #include "../FromDcmtkBridge.h" | |
| 86 | |
| 87 #include <dcmtk/dcmdata/dcistrmb.h> | |
| 88 #include <dcmtk/dcmdata/dcistrmf.h> | |
| 89 #include <dcmtk/dcmdata/dcfilefo.h> | |
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90 #include <dcmtk/dcmdata/dcmetinf.h> |
| 0 | 91 #include <dcmtk/dcmnet/diutil.h> |
| 92 | |
| 93 #include <set> | |
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94 #include <glog/logging.h> |
| 0 | 95 |
| 96 | |
| 97 | |
| 98 #ifdef _WIN32 | |
| 99 /** | |
| 100 * "The maximum length, in bytes, of the string returned in the buffer | |
| 101 * pointed to by the name parameter is dependent on the namespace provider, | |
| 102 * but this string must be 256 bytes or less. | |
| 103 * http://msdn.microsoft.com/en-us/library/windows/desktop/ms738527(v=vs.85).aspx | |
| 104 **/ | |
| 105 #define HOST_NAME_MAX 256 | |
| 106 #endif | |
| 107 | |
| 108 | |
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109 static const char* DEFAULT_PREFERRED_TRANSFER_SYNTAX = UID_LittleEndianImplicitTransferSyntax; |
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110 |
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111 /** |
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112 * "If we have more than 64 storage SOP classes, tools such as |
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113 * storescu will fail because they attempt to negotiate two |
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114 * presentation contexts for each SOP class, and there is a total |
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115 * limit of 128 contexts for one association." |
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116 **/ |
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117 static const unsigned int MAXIMUM_STORAGE_SOP_CLASSES = 64; |
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118 |
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119 |
| 62 | 120 namespace Orthanc |
| 0 | 121 { |
| 122 struct DicomUserConnection::PImpl | |
| 123 { | |
| 124 // Connection state | |
| 125 T_ASC_Network* net_; | |
| 126 T_ASC_Parameters* params_; | |
| 127 T_ASC_Association* assoc_; | |
| 128 | |
| 129 bool IsOpen() const | |
| 130 { | |
| 131 return assoc_ != NULL; | |
| 132 } | |
| 133 | |
| 134 void CheckIsOpen() const; | |
| 135 | |
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136 void Store(DcmInputStream& is, DicomUserConnection& connection); |
| 0 | 137 }; |
| 138 | |
| 139 | |
| 140 static void Check(const OFCondition& cond) | |
| 141 { | |
| 142 if (cond.bad()) | |
| 143 { | |
| 62 | 144 throw OrthancException("DicomUserConnection: " + std::string(cond.text())); |
| 0 | 145 } |
| 146 } | |
| 147 | |
| 148 void DicomUserConnection::PImpl::CheckIsOpen() const | |
| 149 { | |
| 150 if (!IsOpen()) | |
| 151 { | |
| 62 | 152 throw OrthancException("DicomUserConnection: First open the connection"); |
| 0 | 153 } |
| 154 } | |
| 155 | |
| 156 | |
| 157 void DicomUserConnection::CheckIsOpen() const | |
| 158 { | |
| 159 pimpl_->CheckIsOpen(); | |
| 160 } | |
| 161 | |
| 162 | |
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163 static void RegisterStorageSOPClass(T_ASC_Parameters* params, |
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164 unsigned int& presentationContextId, |
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165 const std::string& sopClass, |
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166 const char* asPreferred[], |
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167 std::vector<const char*>& asFallback) |
| 0 | 168 { |
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169 Check(ASC_addPresentationContext(params, presentationContextId, |
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170 sopClass.c_str(), asPreferred, 1)); |
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171 presentationContextId += 2; |
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172 |
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173 if (asFallback.size() > 0) |
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174 { |
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175 Check(ASC_addPresentationContext(params, presentationContextId, |
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176 sopClass.c_str(), &asFallback[0], asFallback.size())); |
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177 presentationContextId += 2; |
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178 } |
| 0 | 179 } |
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180 |
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181 |
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182 void DicomUserConnection::SetupPresentationContexts(const std::string& preferredTransferSyntax) |
| 0 | 183 { |
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184 // Flatten an array with the preferred transfer syntax |
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185 const char* asPreferred[1] = { preferredTransferSyntax.c_str() }; |
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186 |
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187 // Setup the fallback transfer syntaxes |
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188 std::set<std::string> fallbackSyntaxes; |
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189 fallbackSyntaxes.insert(UID_LittleEndianExplicitTransferSyntax); |
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190 fallbackSyntaxes.insert(UID_BigEndianExplicitTransferSyntax); |
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191 fallbackSyntaxes.insert(UID_LittleEndianImplicitTransferSyntax); |
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192 fallbackSyntaxes.erase(preferredTransferSyntax); |
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193 |
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194 // Flatten an array with the fallback transfer syntaxes |
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195 std::vector<const char*> asFallback; |
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196 asFallback.reserve(fallbackSyntaxes.size()); |
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197 for (std::set<std::string>::const_iterator |
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198 it = fallbackSyntaxes.begin(); it != fallbackSyntaxes.end(); ++it) |
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199 { |
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200 asFallback.push_back(it->c_str()); |
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201 } |
| 0 | 202 |
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203 CheckStorageSOPClassesInvariant(); |
| 0 | 204 unsigned int presentationContextId = 1; |
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205 |
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206 for (std::list<std::string>::const_iterator it = reservedStorageSOPClasses_.begin(); |
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207 it != reservedStorageSOPClasses_.end(); it++) |
| 0 | 208 { |
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209 RegisterStorageSOPClass(pimpl_->params_, presentationContextId, |
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210 *it, asPreferred, asFallback); |
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211 } |
| 0 | 212 |
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213 for (std::set<std::string>::const_iterator it = storageSOPClasses_.begin(); |
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214 it != storageSOPClasses_.end(); it++) |
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215 { |
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216 RegisterStorageSOPClass(pimpl_->params_, presentationContextId, |
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217 *it, asPreferred, asFallback); |
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218 } |
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219 |
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220 for (std::set<std::string>::const_iterator it = defaultStorageSOPClasses_.begin(); |
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221 it != defaultStorageSOPClasses_.end(); it++) |
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222 { |
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223 RegisterStorageSOPClass(pimpl_->params_, presentationContextId, |
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224 *it, asPreferred, asFallback); |
| 0 | 225 } |
| 226 } | |
| 227 | |
| 228 | |
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229 static bool IsGenericTransferSyntax(const std::string& syntax) |
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230 { |
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231 return (syntax == UID_LittleEndianExplicitTransferSyntax || |
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232 syntax == UID_BigEndianExplicitTransferSyntax || |
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233 syntax == UID_LittleEndianImplicitTransferSyntax); |
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234 } |
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235 |
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236 |
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237 void DicomUserConnection::PImpl::Store(DcmInputStream& is, DicomUserConnection& connection) |
| 0 | 238 { |
| 239 CheckIsOpen(); | |
| 240 | |
| 241 DcmFileFormat dcmff; | |
| 242 Check(dcmff.read(is, EXS_Unknown, EGL_noChange, DCM_MaxReadLength)); | |
| 243 | |
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244 // Determine the storage SOP class UID for this instance |
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245 static const DcmTagKey DCM_SOP_CLASS_UID(0x0008, 0x0016); |
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246 OFString sopClassUid; |
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247 if (dcmff.getDataset()->findAndGetOFString(DCM_SOP_CLASS_UID, sopClassUid).good()) |
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248 { |
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249 connection.AddStorageSOPClass(sopClassUid.c_str()); |
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250 } |
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251 |
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252 // Determine whether a new presentation context must be |
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253 // negotiated, depending on the transfer syntax of this instance |
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254 DcmXfer xfer(dcmff.getDataset()->getOriginalXfer()); |
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255 const std::string syntax(xfer.getXferID()); |
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256 bool isGeneric = IsGenericTransferSyntax(syntax); |
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257 |
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258 if (isGeneric ^ IsGenericTransferSyntax(connection.GetPreferredTransferSyntax())) |
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259 { |
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260 // Making a generic-to-specific or specific-to-generic change of |
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261 // the transfer syntax. Renegotiate the connection. |
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262 LOG(INFO) << "Change in the transfer syntax: the C-Store associated must be renegotiated"; |
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263 |
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264 if (isGeneric) |
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265 { |
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266 connection.ResetPreferredTransferSyntax(); |
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267 } |
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268 else |
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269 { |
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270 connection.SetPreferredTransferSyntax(syntax); |
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271 } |
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272 } |
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273 |
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274 if (!connection.IsOpen()) |
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275 { |
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276 LOG(INFO) << "Renegotiating a C-Store association due to a change in the parameters"; |
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277 connection.Open(); |
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278 } |
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279 |
| 0 | 280 // Figure out which SOP class and SOP instance is encapsulated in the file |
| 281 DIC_UI sopClass; | |
| 282 DIC_UI sopInstance; | |
| 283 if (!DU_findSOPClassAndInstanceInDataSet(dcmff.getDataset(), sopClass, sopInstance)) | |
| 284 { | |
| 62 | 285 throw OrthancException("DicomUserConnection: Unable to find the SOP class and instance"); |
| 0 | 286 } |
| 287 | |
| 288 // Figure out which of the accepted presentation contexts should be used | |
| 289 int presID = ASC_findAcceptedPresentationContextID(assoc_, sopClass); | |
| 290 if (presID == 0) | |
| 291 { | |
| 292 const char *modalityName = dcmSOPClassUIDToModality(sopClass); | |
| 293 if (!modalityName) modalityName = dcmFindNameOfUID(sopClass); | |
| 294 if (!modalityName) modalityName = "unknown SOP class"; | |
| 62 | 295 throw OrthancException("DicomUserConnection: No presentation context for modality " + |
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296 std::string(modalityName)); |
| 0 | 297 } |
| 298 | |
| 299 // Prepare the transmission of data | |
| 300 T_DIMSE_C_StoreRQ req; | |
| 301 memset(&req, 0, sizeof(req)); | |
| 302 req.MessageID = assoc_->nextMsgID++; | |
| 303 strcpy(req.AffectedSOPClassUID, sopClass); | |
| 304 strcpy(req.AffectedSOPInstanceUID, sopInstance); | |
| 305 req.DataSetType = DIMSE_DATASET_PRESENT; | |
| 306 req.Priority = DIMSE_PRIORITY_MEDIUM; | |
| 307 | |
| 308 // Finally conduct transmission of data | |
| 309 T_DIMSE_C_StoreRSP rsp; | |
| 310 DcmDataset* statusDetail = NULL; | |
| 311 Check(DIMSE_storeUser(assoc_, presID, &req, | |
| 312 NULL, dcmff.getDataset(), /*progressCallback*/ NULL, NULL, | |
| 313 /*opt_blockMode*/ DIMSE_BLOCKING, /*opt_dimse_timeout*/ 0, | |
| 314 &rsp, &statusDetail, NULL)); | |
| 315 | |
| 316 if (statusDetail != NULL) | |
| 317 { | |
| 318 delete statusDetail; | |
| 319 } | |
| 320 } | |
| 321 | |
| 322 | |
| 323 static void FindCallback( | |
| 324 /* in */ | |
| 325 void *callbackData, | |
| 326 T_DIMSE_C_FindRQ *request, /* original find request */ | |
| 327 int responseCount, | |
| 328 T_DIMSE_C_FindRSP *response, /* pending response received */ | |
| 329 DcmDataset *responseIdentifiers /* pending response identifiers */ | |
| 330 ) | |
| 331 { | |
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332 DicomFindAnswers& answers = *reinterpret_cast<DicomFindAnswers*>(callbackData); |
| 0 | 333 |
| 334 if (responseIdentifiers != NULL) | |
| 335 { | |
| 336 DicomMap m; | |
| 337 FromDcmtkBridge::Convert(m, *responseIdentifiers); | |
| 338 answers.Add(m); | |
| 339 } | |
| 340 } | |
| 341 | |
| 342 void DicomUserConnection::Find(DicomFindAnswers& result, | |
| 343 FindRootModel model, | |
| 344 const DicomMap& fields) | |
| 345 { | |
| 346 CheckIsOpen(); | |
| 347 | |
| 348 const char* sopClass; | |
| 349 std::auto_ptr<DcmDataset> dataset(ToDcmtkBridge::Convert(fields)); | |
| 350 switch (model) | |
| 351 { | |
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352 case FindRootModel_Patient: |
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353 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "PATIENT"); |
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354 sopClass = UID_FINDPatientRootQueryRetrieveInformationModel; |
| 0 | 355 |
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356 // Accession number |
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357 if (!fields.HasTag(0x0008, 0x0050)) |
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358 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0050), ""); |
| 0 | 359 |
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360 // Patient ID |
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361 if (!fields.HasTag(0x0010, 0x0020)) |
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362 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0010, 0x0020), ""); |
| 0 | 363 |
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364 break; |
| 0 | 365 |
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366 case FindRootModel_Study: |
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367 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "STUDY"); |
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368 sopClass = UID_FINDStudyRootQueryRetrieveInformationModel; |
| 0 | 369 |
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370 // Accession number |
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371 if (!fields.HasTag(0x0008, 0x0050)) |
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372 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0050), ""); |
| 0 | 373 |
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374 // Study instance UID |
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375 if (!fields.HasTag(0x0020, 0x000d)) |
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376 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000d), ""); |
| 0 | 377 |
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378 break; |
| 0 | 379 |
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380 case FindRootModel_Series: |
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381 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "SERIES"); |
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382 sopClass = UID_FINDStudyRootQueryRetrieveInformationModel; |
| 0 | 383 |
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384 // Accession number |
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385 if (!fields.HasTag(0x0008, 0x0050)) |
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386 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0050), ""); |
| 0 | 387 |
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388 // Study instance UID |
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389 if (!fields.HasTag(0x0020, 0x000d)) |
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390 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000d), ""); |
| 0 | 391 |
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392 // Series instance UID |
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393 if (!fields.HasTag(0x0020, 0x000e)) |
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394 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000e), ""); |
| 0 | 395 |
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396 break; |
| 0 | 397 |
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398 case FindRootModel_Instance: |
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399 if (manufacturer_ == ModalityManufacturer_ClearCanvas || |
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400 manufacturer_ == ModalityManufacturer_Dcm4Chee) |
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401 { |
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402 // This is a particular case for ClearCanvas, thanks to Peter Somlo <peter.somlo@gmail.com>. |
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403 // https://groups.google.com/d/msg/orthanc-users/j-6C3MAVwiw/iolB9hclom8J |
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404 // http://www.clearcanvas.ca/Home/Community/OldForums/tabid/526/aff/11/aft/14670/afv/topic/Default.aspx |
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405 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "IMAGE"); |
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406 } |
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407 else |
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408 { |
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409 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "INSTANCE"); |
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410 } |
|
519
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411 |
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412 sopClass = UID_FINDStudyRootQueryRetrieveInformationModel; |
| 0 | 413 |
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414 // Accession number |
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415 if (!fields.HasTag(0x0008, 0x0050)) |
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416 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0050), ""); |
| 0 | 417 |
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418 // Study instance UID |
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419 if (!fields.HasTag(0x0020, 0x000d)) |
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420 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000d), ""); |
| 0 | 421 |
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422 // Series instance UID |
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423 if (!fields.HasTag(0x0020, 0x000e)) |
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424 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000e), ""); |
| 0 | 425 |
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426 // SOP Instance UID |
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427 if (!fields.HasTag(0x0008, 0x0018)) |
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428 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0018), ""); |
| 0 | 429 |
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430 break; |
| 0 | 431 |
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432 default: |
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433 throw OrthancException(ErrorCode_ParameterOutOfRange); |
| 0 | 434 } |
| 435 | |
| 436 // Figure out which of the accepted presentation contexts should be used | |
| 437 int presID = ASC_findAcceptedPresentationContextID(pimpl_->assoc_, sopClass); | |
| 438 if (presID == 0) | |
| 439 { | |
| 62 | 440 throw OrthancException("DicomUserConnection: The C-FIND command is not supported by the distant AET"); |
| 0 | 441 } |
| 442 | |
| 443 T_DIMSE_C_FindRQ request; | |
| 444 memset(&request, 0, sizeof(request)); | |
| 445 request.MessageID = pimpl_->assoc_->nextMsgID++; | |
| 446 strcpy(request.AffectedSOPClassUID, sopClass); | |
| 447 request.DataSetType = DIMSE_DATASET_PRESENT; | |
| 448 request.Priority = DIMSE_PRIORITY_MEDIUM; | |
| 449 | |
| 450 T_DIMSE_C_FindRSP response; | |
| 451 DcmDataset* statusDetail = NULL; | |
| 452 OFCondition cond = DIMSE_findUser(pimpl_->assoc_, presID, &request, dataset.get(), | |
| 453 FindCallback, &result, | |
| 454 /*opt_blockMode*/ DIMSE_BLOCKING, /*opt_dimse_timeout*/ 0, | |
| 455 &response, &statusDetail); | |
| 456 | |
| 457 if (statusDetail) | |
| 458 { | |
| 459 delete statusDetail; | |
| 460 } | |
| 461 | |
| 462 Check(cond); | |
| 463 } | |
| 464 | |
| 465 | |
| 466 void DicomUserConnection::FindPatient(DicomFindAnswers& result, | |
| 467 const DicomMap& fields) | |
| 468 { | |
| 469 // Only keep the filters from "fields" that are related to the patient | |
| 470 DicomMap s; | |
| 471 fields.ExtractPatientInformation(s); | |
| 472 Find(result, FindRootModel_Patient, s); | |
| 473 } | |
| 474 | |
| 475 void DicomUserConnection::FindStudy(DicomFindAnswers& result, | |
| 476 const DicomMap& fields) | |
| 477 { | |
| 478 // Only keep the filters from "fields" that are related to the study | |
| 479 DicomMap s; | |
| 480 fields.ExtractStudyInformation(s); | |
| 481 | |
| 80 | 482 s.CopyTagIfExists(fields, DICOM_TAG_PATIENT_ID); |
| 483 s.CopyTagIfExists(fields, DICOM_TAG_ACCESSION_NUMBER); | |
| 725 | 484 s.CopyTagIfExists(fields, DICOM_TAG_MODALITIES_IN_STUDY); |
| 0 | 485 |
| 486 Find(result, FindRootModel_Study, s); | |
| 487 } | |
| 488 | |
| 489 void DicomUserConnection::FindSeries(DicomFindAnswers& result, | |
| 490 const DicomMap& fields) | |
| 491 { | |
| 492 // Only keep the filters from "fields" that are related to the series | |
| 493 DicomMap s; | |
| 494 fields.ExtractSeriesInformation(s); | |
| 495 | |
| 80 | 496 s.CopyTagIfExists(fields, DICOM_TAG_PATIENT_ID); |
| 497 s.CopyTagIfExists(fields, DICOM_TAG_ACCESSION_NUMBER); | |
| 498 s.CopyTagIfExists(fields, DICOM_TAG_STUDY_INSTANCE_UID); | |
| 0 | 499 |
| 500 Find(result, FindRootModel_Series, s); | |
| 501 } | |
| 502 | |
| 503 void DicomUserConnection::FindInstance(DicomFindAnswers& result, | |
| 504 const DicomMap& fields) | |
| 505 { | |
| 506 // Only keep the filters from "fields" that are related to the instance | |
| 507 DicomMap s; | |
| 508 fields.ExtractInstanceInformation(s); | |
| 509 | |
| 80 | 510 s.CopyTagIfExists(fields, DICOM_TAG_PATIENT_ID); |
| 511 s.CopyTagIfExists(fields, DICOM_TAG_ACCESSION_NUMBER); | |
| 512 s.CopyTagIfExists(fields, DICOM_TAG_STUDY_INSTANCE_UID); | |
| 513 s.CopyTagIfExists(fields, DICOM_TAG_SERIES_INSTANCE_UID); | |
| 0 | 514 |
| 515 Find(result, FindRootModel_Instance, s); | |
| 516 } | |
| 517 | |
| 518 | |
| 519 void DicomUserConnection::Move(const std::string& targetAet, | |
| 520 const DicomMap& fields) | |
| 521 { | |
| 522 CheckIsOpen(); | |
| 523 | |
| 524 const char* sopClass = UID_MOVEStudyRootQueryRetrieveInformationModel; | |
| 525 std::auto_ptr<DcmDataset> dataset(ToDcmtkBridge::Convert(fields)); | |
| 526 | |
| 527 // Figure out which of the accepted presentation contexts should be used | |
| 528 int presID = ASC_findAcceptedPresentationContextID(pimpl_->assoc_, sopClass); | |
| 529 if (presID == 0) | |
| 530 { | |
| 62 | 531 throw OrthancException("DicomUserConnection: The C-MOVE command is not supported by the distant AET"); |
| 0 | 532 } |
| 533 | |
| 534 T_DIMSE_C_MoveRQ request; | |
| 535 memset(&request, 0, sizeof(request)); | |
| 536 request.MessageID = pimpl_->assoc_->nextMsgID++; | |
| 537 strcpy(request.AffectedSOPClassUID, sopClass); | |
| 538 request.DataSetType = DIMSE_DATASET_PRESENT; | |
| 539 request.Priority = DIMSE_PRIORITY_MEDIUM; | |
| 540 strncpy(request.MoveDestination, targetAet.c_str(), sizeof(DIC_AE) / sizeof(char)); | |
| 541 | |
| 542 T_DIMSE_C_MoveRSP response; | |
| 543 DcmDataset* statusDetail = NULL; | |
| 544 DcmDataset* responseIdentifiers = NULL; | |
| 545 OFCondition cond = DIMSE_moveUser(pimpl_->assoc_, presID, &request, dataset.get(), | |
| 546 NULL, NULL, | |
| 547 /*opt_blockMode*/ DIMSE_BLOCKING, /*opt_dimse_timeout*/ 0, | |
| 548 pimpl_->net_, NULL, NULL, | |
| 549 &response, &statusDetail, &responseIdentifiers); | |
| 550 | |
| 551 if (statusDetail) | |
| 552 { | |
| 553 delete statusDetail; | |
| 554 } | |
| 555 | |
| 556 if (responseIdentifiers) | |
| 557 { | |
| 558 delete responseIdentifiers; | |
| 559 } | |
| 560 | |
| 561 Check(cond); | |
| 562 } | |
| 563 | |
| 564 | |
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565 void DicomUserConnection::ResetStorageSOPClasses() |
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566 { |
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567 CheckStorageSOPClassesInvariant(); |
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568 |
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569 storageSOPClasses_.clear(); |
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570 defaultStorageSOPClasses_.clear(); |
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571 |
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572 // Copy the short list of storage SOP classes from DCMTK, making |
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573 // room for the 4 SOP classes reserved for C-ECHO, C-FIND, C-MOVE. |
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574 |
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575 std::set<std::string> uncommon; |
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576 uncommon.insert(UID_BlendingSoftcopyPresentationStateStorage); |
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577 uncommon.insert(UID_GrayscaleSoftcopyPresentationStateStorage); |
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578 uncommon.insert(UID_ColorSoftcopyPresentationStateStorage); |
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579 uncommon.insert(UID_PseudoColorSoftcopyPresentationStateStorage); |
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580 |
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581 // Add the storage syntaxes for C-STORE |
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582 for (int i = 0; i < numberOfDcmShortSCUStorageSOPClassUIDs - 1; i++) |
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583 { |
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584 if (uncommon.find(dcmShortSCUStorageSOPClassUIDs[i]) == uncommon.end()) |
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585 { |
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586 defaultStorageSOPClasses_.insert(dcmShortSCUStorageSOPClassUIDs[i]); |
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587 } |
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588 } |
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589 |
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590 CheckStorageSOPClassesInvariant(); |
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591 } |
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592 |
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593 |
| 656 | 594 DicomUserConnection::DicomUserConnection() : |
| 595 pimpl_(new PImpl), | |
|
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596 preferredTransferSyntax_(DEFAULT_PREFERRED_TRANSFER_SYNTAX), |
| 656 | 597 localAet_("STORESCU"), |
| 598 distantAet_("ANY-SCP"), | |
| 599 distantHost_("127.0.0.1") | |
| 0 | 600 { |
| 601 distantPort_ = 104; | |
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602 manufacturer_ = ModalityManufacturer_Generic; |
| 0 | 603 |
| 604 pimpl_->net_ = NULL; | |
| 605 pimpl_->params_ = NULL; | |
| 606 pimpl_->assoc_ = NULL; | |
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607 |
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608 // SOP classes for C-ECHO, C-FIND and C-MOVE |
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609 reservedStorageSOPClasses_.push_back(UID_VerificationSOPClass); |
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610 reservedStorageSOPClasses_.push_back(UID_FINDPatientRootQueryRetrieveInformationModel); |
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611 reservedStorageSOPClasses_.push_back(UID_FINDStudyRootQueryRetrieveInformationModel); |
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612 reservedStorageSOPClasses_.push_back(UID_MOVEStudyRootQueryRetrieveInformationModel); |
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613 |
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614 ResetStorageSOPClasses(); |
| 0 | 615 } |
| 616 | |
| 617 DicomUserConnection::~DicomUserConnection() | |
| 618 { | |
| 619 Close(); | |
| 620 } | |
| 621 | |
| 622 void DicomUserConnection::SetLocalApplicationEntityTitle(const std::string& aet) | |
| 623 { | |
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624 if (localAet_ != aet) |
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625 { |
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626 Close(); |
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627 localAet_ = aet; |
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628 } |
| 0 | 629 } |
| 630 | |
| 631 void DicomUserConnection::SetDistantApplicationEntityTitle(const std::string& aet) | |
| 632 { | |
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633 if (distantAet_ != aet) |
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634 { |
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635 Close(); |
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636 distantAet_ = aet; |
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637 } |
| 0 | 638 } |
| 639 | |
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640 void DicomUserConnection::SetDistantManufacturer(ModalityManufacturer manufacturer) |
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641 { |
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642 if (manufacturer_ != manufacturer) |
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643 { |
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644 Close(); |
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645 manufacturer_ = manufacturer; |
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646 } |
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647 } |
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648 |
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649 void DicomUserConnection::ResetPreferredTransferSyntax() |
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650 { |
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651 SetPreferredTransferSyntax(DEFAULT_PREFERRED_TRANSFER_SYNTAX); |
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652 } |
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653 |
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654 void DicomUserConnection::SetPreferredTransferSyntax(const std::string& preferredTransferSyntax) |
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655 { |
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656 if (preferredTransferSyntax_ != preferredTransferSyntax) |
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657 { |
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658 Close(); |
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659 preferredTransferSyntax_ = preferredTransferSyntax; |
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660 } |
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661 } |
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662 |
| 0 | 663 |
| 664 void DicomUserConnection::SetDistantHost(const std::string& host) | |
| 665 { | |
|
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666 if (distantHost_ != host) |
| 0 | 667 { |
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668 if (host.size() > HOST_NAME_MAX - 10) |
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669 { |
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670 throw OrthancException("Distant host name is too long"); |
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671 } |
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672 |
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673 Close(); |
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674 distantHost_ = host; |
| 0 | 675 } |
| 676 } | |
| 677 | |
| 678 void DicomUserConnection::SetDistantPort(uint16_t port) | |
| 679 { | |
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680 if (distantPort_ != port) |
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681 { |
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682 Close(); |
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683 distantPort_ = port; |
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684 } |
| 0 | 685 } |
| 686 | |
| 687 void DicomUserConnection::Open() | |
| 688 { | |
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689 if (IsOpen()) |
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690 { |
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691 // Don't reopen the connection |
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692 return; |
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693 } |
| 0 | 694 |
|
769
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695 LOG(INFO) << "Opening a DICOM SCU connection from AET \"" << GetLocalApplicationEntityTitle() |
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696 << "\" to AET \"" << GetDistantApplicationEntityTitle() << "\" on host " |
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697 << GetDistantHost() << ":" << GetDistantPort() |
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698 << " (manufacturer: " << EnumerationToString(GetDistantManufacturer()) << ")"; |
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699 |
| 0 | 700 Check(ASC_initializeNetwork(NET_REQUESTOR, 0, /*opt_acse_timeout*/ 30, &pimpl_->net_)); |
| 701 Check(ASC_createAssociationParameters(&pimpl_->params_, /*opt_maxReceivePDULength*/ ASC_DEFAULTMAXPDU)); | |
| 702 | |
| 703 // Set this application's title and the called application's title in the params | |
| 704 Check(ASC_setAPTitles(pimpl_->params_, localAet_.c_str(), distantAet_.c_str(), NULL)); | |
| 705 | |
| 706 // Set the network addresses of the local and distant entities | |
| 707 char localHost[HOST_NAME_MAX]; | |
| 708 gethostname(localHost, HOST_NAME_MAX - 1); | |
| 709 | |
| 710 char distantHostAndPort[HOST_NAME_MAX]; | |
| 2 | 711 |
| 712 #ifdef _MSC_VER | |
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713 _snprintf |
| 2 | 714 #else |
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715 snprintf |
| 2 | 716 #endif |
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717 (distantHostAndPort, HOST_NAME_MAX - 1, "%s:%d", distantHost_.c_str(), distantPort_); |
| 0 | 718 |
| 719 Check(ASC_setPresentationAddresses(pimpl_->params_, localHost, distantHostAndPort)); | |
| 720 | |
| 721 // Set various options | |
| 722 Check(ASC_setTransportLayerType(pimpl_->params_, /*opt_secureConnection*/ false)); | |
| 723 | |
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724 SetupPresentationContexts(preferredTransferSyntax_); |
| 0 | 725 |
| 726 // Do the association | |
| 727 Check(ASC_requestAssociation(pimpl_->net_, pimpl_->params_, &pimpl_->assoc_)); | |
| 728 | |
| 729 if (ASC_countAcceptedPresentationContexts(pimpl_->params_) == 0) | |
| 730 { | |
| 62 | 731 throw OrthancException("DicomUserConnection: No Acceptable Presentation Contexts"); |
| 0 | 732 } |
| 733 } | |
| 734 | |
| 735 void DicomUserConnection::Close() | |
| 736 { | |
| 737 if (pimpl_->assoc_ != NULL) | |
| 738 { | |
| 739 ASC_releaseAssociation(pimpl_->assoc_); | |
| 740 ASC_destroyAssociation(&pimpl_->assoc_); | |
| 741 pimpl_->assoc_ = NULL; | |
| 742 pimpl_->params_ = NULL; | |
| 743 } | |
| 744 else | |
| 745 { | |
| 746 if (pimpl_->params_ != NULL) | |
| 747 { | |
| 748 ASC_destroyAssociationParameters(&pimpl_->params_); | |
| 749 pimpl_->params_ = NULL; | |
| 750 } | |
| 751 } | |
| 752 | |
| 753 if (pimpl_->net_ != NULL) | |
| 754 { | |
| 755 ASC_dropNetwork(&pimpl_->net_); | |
| 756 pimpl_->net_ = NULL; | |
| 757 } | |
| 758 } | |
| 759 | |
| 760 bool DicomUserConnection::IsOpen() const | |
| 761 { | |
| 762 return pimpl_->IsOpen(); | |
| 763 } | |
| 764 | |
| 765 void DicomUserConnection::Store(const char* buffer, size_t size) | |
| 766 { | |
| 767 // Prepare an input stream for the memory buffer | |
| 768 DcmInputBufferStream is; | |
| 769 if (size > 0) | |
| 770 is.setBuffer(buffer, size); | |
| 771 is.setEos(); | |
| 772 | |
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773 pimpl_->Store(is, *this); |
| 0 | 774 } |
| 775 | |
| 776 void DicomUserConnection::Store(const std::string& buffer) | |
| 777 { | |
| 778 if (buffer.size() > 0) | |
| 779 Store(reinterpret_cast<const char*>(&buffer[0]), buffer.size()); | |
| 780 else | |
| 781 Store(NULL, 0); | |
| 782 } | |
| 783 | |
| 784 void DicomUserConnection::StoreFile(const std::string& path) | |
| 785 { | |
| 786 // Prepare an input stream for the file | |
| 787 DcmInputFileStream is(path.c_str()); | |
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788 pimpl_->Store(is, *this); |
| 0 | 789 } |
| 790 | |
| 791 bool DicomUserConnection::Echo() | |
| 792 { | |
| 793 CheckIsOpen(); | |
| 794 DIC_US status; | |
| 795 Check(DIMSE_echoUser(pimpl_->assoc_, pimpl_->assoc_->nextMsgID++, | |
| 796 /*opt_blockMode*/ DIMSE_BLOCKING, /*opt_dimse_timeout*/ 0, | |
| 797 &status, NULL)); | |
| 798 return status == STATUS_Success; | |
| 799 } | |
| 800 | |
| 801 | |
| 802 void DicomUserConnection::MoveSeries(const std::string& targetAet, | |
| 803 const DicomMap& findResult) | |
| 804 { | |
| 805 DicomMap simplified; | |
| 80 | 806 simplified.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, findResult.GetValue(DICOM_TAG_STUDY_INSTANCE_UID)); |
| 807 simplified.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, findResult.GetValue(DICOM_TAG_SERIES_INSTANCE_UID)); | |
| 0 | 808 Move(targetAet, simplified); |
| 809 } | |
| 810 | |
| 811 void DicomUserConnection::MoveSeries(const std::string& targetAet, | |
| 812 const std::string& studyUid, | |
| 813 const std::string& seriesUid) | |
| 814 { | |
| 815 DicomMap map; | |
| 80 | 816 map.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, studyUid); |
| 817 map.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, seriesUid); | |
| 0 | 818 Move(targetAet, map); |
| 819 } | |
| 820 | |
| 821 void DicomUserConnection::MoveInstance(const std::string& targetAet, | |
| 822 const DicomMap& findResult) | |
| 823 { | |
| 824 DicomMap simplified; | |
| 80 | 825 simplified.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, findResult.GetValue(DICOM_TAG_STUDY_INSTANCE_UID)); |
| 826 simplified.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, findResult.GetValue(DICOM_TAG_SERIES_INSTANCE_UID)); | |
| 827 simplified.SetValue(DICOM_TAG_SOP_INSTANCE_UID, findResult.GetValue(DICOM_TAG_SOP_INSTANCE_UID)); | |
| 0 | 828 Move(targetAet, simplified); |
| 829 } | |
| 830 | |
| 831 void DicomUserConnection::MoveInstance(const std::string& targetAet, | |
| 832 const std::string& studyUid, | |
| 833 const std::string& seriesUid, | |
| 834 const std::string& instanceUid) | |
| 835 { | |
| 836 DicomMap map; | |
| 80 | 837 map.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, studyUid); |
| 838 map.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, seriesUid); | |
| 839 map.SetValue(DICOM_TAG_SOP_INSTANCE_UID, instanceUid); | |
| 0 | 840 Move(targetAet, map); |
| 841 } | |
| 842 | |
| 843 void DicomUserConnection::SetConnectionTimeout(uint32_t seconds) | |
| 844 { | |
| 845 dcmConnectionTimeout.set(seconds); | |
| 846 } | |
| 847 | |
|
763
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848 |
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849 void DicomUserConnection::CheckStorageSOPClassesInvariant() const |
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850 { |
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851 assert(storageSOPClasses_.size() + |
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852 defaultStorageSOPClasses_.size() + |
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853 reservedStorageSOPClasses_.size() <= MAXIMUM_STORAGE_SOP_CLASSES); |
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854 } |
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855 |
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856 void DicomUserConnection::AddStorageSOPClass(const char* sop) |
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857 { |
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858 CheckStorageSOPClassesInvariant(); |
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859 |
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860 if (storageSOPClasses_.find(sop) != storageSOPClasses_.end()) |
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861 { |
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862 // This storage SOP class is already explicitly registered. Do |
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863 // nothing. |
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864 return; |
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865 } |
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866 |
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867 if (defaultStorageSOPClasses_.find(sop) != defaultStorageSOPClasses_.end()) |
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868 { |
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869 // This storage SOP class is not explicitly registered, but is |
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870 // used by default. Just register it explicitly. |
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871 defaultStorageSOPClasses_.erase(sop); |
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872 storageSOPClasses_.insert(sop); |
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873 |
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874 CheckStorageSOPClassesInvariant(); |
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875 return; |
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876 } |
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877 |
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878 // This storage SOP class is neither explicitly, nor implicitly |
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879 // registered. Close the connection and register it explicitly. |
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880 |
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881 Close(); |
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882 |
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883 if (reservedStorageSOPClasses_.size() + |
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884 storageSOPClasses_.size() >= MAXIMUM_STORAGE_SOP_CLASSES) // (*) |
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885 { |
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886 // The maximum number of SOP classes is reached |
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887 ResetStorageSOPClasses(); |
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888 defaultStorageSOPClasses_.erase(sop); |
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889 } |
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890 else if (reservedStorageSOPClasses_.size() + storageSOPClasses_.size() + |
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891 defaultStorageSOPClasses_.size() >= MAXIMUM_STORAGE_SOP_CLASSES) |
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892 { |
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893 // Make room in the default storage syntaxes |
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894 assert(defaultStorageSOPClasses_.size() > 0); // Necessarily true because condition (*) is false |
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895 defaultStorageSOPClasses_.erase(*defaultStorageSOPClasses_.rbegin()); |
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896 } |
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897 |
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898 // Explicitly register the new storage syntax |
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899 storageSOPClasses_.insert(sop); |
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900 |
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901 CheckStorageSOPClassesInvariant(); |
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902 } |
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903 |
| 0 | 904 } |