Mercurial > hg > orthanc
annotate OrthancServer/DicomProtocol/DicomUserConnection.cpp @ 843:6a5cceec04ef jpeg
cont
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 04 Jun 2014 17:57:59 +0200 |
| parents | 84513f2ee1f3 |
| children | 816dccaeb7cf |
| 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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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 | |
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110 static const char* DEFAULT_PREFERRED_TRANSFER_SYNTAX = UID_LittleEndianImplicitTransferSyntax; |
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111 |
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112 /** |
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113 * "If we have more than 64 storage SOP classes, tools such as |
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114 * storescu will fail because they attempt to negotiate two |
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115 * presentation contexts for each SOP class, and there is a total |
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116 * limit of 128 contexts for one association." |
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117 **/ |
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118 static const unsigned int MAXIMUM_STORAGE_SOP_CLASSES = 64; |
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119 |
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120 |
| 62 | 121 namespace Orthanc |
| 0 | 122 { |
| 123 struct DicomUserConnection::PImpl | |
| 124 { | |
| 125 // Connection state | |
| 126 T_ASC_Network* net_; | |
| 127 T_ASC_Parameters* params_; | |
| 128 T_ASC_Association* assoc_; | |
| 129 | |
| 130 bool IsOpen() const | |
| 131 { | |
| 132 return assoc_ != NULL; | |
| 133 } | |
| 134 | |
| 135 void CheckIsOpen() const; | |
| 136 | |
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137 void Store(DcmInputStream& is, DicomUserConnection& connection); |
| 0 | 138 }; |
| 139 | |
| 140 | |
| 141 static void Check(const OFCondition& cond) | |
| 142 { | |
| 143 if (cond.bad()) | |
| 144 { | |
| 62 | 145 throw OrthancException("DicomUserConnection: " + std::string(cond.text())); |
| 0 | 146 } |
| 147 } | |
| 148 | |
| 149 void DicomUserConnection::PImpl::CheckIsOpen() const | |
| 150 { | |
| 151 if (!IsOpen()) | |
| 152 { | |
| 62 | 153 throw OrthancException("DicomUserConnection: First open the connection"); |
| 0 | 154 } |
| 155 } | |
| 156 | |
| 157 | |
| 158 void DicomUserConnection::CheckIsOpen() const | |
| 159 { | |
| 160 pimpl_->CheckIsOpen(); | |
| 161 } | |
| 162 | |
| 163 | |
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164 static void RegisterStorageSOPClass(T_ASC_Parameters* params, |
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165 unsigned int& presentationContextId, |
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166 const std::string& sopClass, |
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167 const char* asPreferred[], |
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168 std::vector<const char*>& asFallback) |
| 0 | 169 { |
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170 Check(ASC_addPresentationContext(params, presentationContextId, |
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171 sopClass.c_str(), asPreferred, 1)); |
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172 presentationContextId += 2; |
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173 |
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174 if (asFallback.size() > 0) |
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175 { |
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176 Check(ASC_addPresentationContext(params, presentationContextId, |
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177 sopClass.c_str(), &asFallback[0], asFallback.size())); |
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178 presentationContextId += 2; |
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179 } |
| 0 | 180 } |
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181 |
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182 |
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183 void DicomUserConnection::SetupPresentationContexts(const std::string& preferredTransferSyntax) |
| 0 | 184 { |
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185 // Flatten an array with the preferred transfer syntax |
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186 const char* asPreferred[1] = { preferredTransferSyntax.c_str() }; |
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187 |
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188 // Setup the fallback transfer syntaxes |
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189 std::set<std::string> fallbackSyntaxes; |
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190 fallbackSyntaxes.insert(UID_LittleEndianExplicitTransferSyntax); |
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191 fallbackSyntaxes.insert(UID_BigEndianExplicitTransferSyntax); |
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192 fallbackSyntaxes.insert(UID_LittleEndianImplicitTransferSyntax); |
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193 fallbackSyntaxes.erase(preferredTransferSyntax); |
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194 |
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195 // Flatten an array with the fallback transfer syntaxes |
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196 std::vector<const char*> asFallback; |
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197 asFallback.reserve(fallbackSyntaxes.size()); |
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198 for (std::set<std::string>::const_iterator |
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199 it = fallbackSyntaxes.begin(); it != fallbackSyntaxes.end(); ++it) |
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200 { |
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201 asFallback.push_back(it->c_str()); |
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202 } |
| 0 | 203 |
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204 CheckStorageSOPClassesInvariant(); |
| 0 | 205 unsigned int presentationContextId = 1; |
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206 |
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207 for (std::list<std::string>::const_iterator it = reservedStorageSOPClasses_.begin(); |
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208 it != reservedStorageSOPClasses_.end(); it++) |
| 0 | 209 { |
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210 RegisterStorageSOPClass(pimpl_->params_, presentationContextId, |
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211 *it, asPreferred, asFallback); |
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212 } |
| 0 | 213 |
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214 for (std::set<std::string>::const_iterator it = storageSOPClasses_.begin(); |
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215 it != storageSOPClasses_.end(); it++) |
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216 { |
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217 RegisterStorageSOPClass(pimpl_->params_, presentationContextId, |
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218 *it, asPreferred, asFallback); |
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219 } |
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220 |
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221 for (std::set<std::string>::const_iterator it = defaultStorageSOPClasses_.begin(); |
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222 it != defaultStorageSOPClasses_.end(); it++) |
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223 { |
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224 RegisterStorageSOPClass(pimpl_->params_, presentationContextId, |
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225 *it, asPreferred, asFallback); |
| 0 | 226 } |
| 227 } | |
| 228 | |
| 229 | |
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230 static bool IsGenericTransferSyntax(const std::string& syntax) |
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231 { |
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232 return (syntax == UID_LittleEndianExplicitTransferSyntax || |
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233 syntax == UID_BigEndianExplicitTransferSyntax || |
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234 syntax == UID_LittleEndianImplicitTransferSyntax); |
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235 } |
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236 |
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237 |
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238 void DicomUserConnection::PImpl::Store(DcmInputStream& is, DicomUserConnection& connection) |
| 0 | 239 { |
| 240 CheckIsOpen(); | |
| 241 | |
| 242 DcmFileFormat dcmff; | |
| 243 Check(dcmff.read(is, EXS_Unknown, EGL_noChange, DCM_MaxReadLength)); | |
| 244 | |
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245 // Determine the storage SOP class UID for this instance |
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246 static const DcmTagKey DCM_SOP_CLASS_UID(0x0008, 0x0016); |
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247 OFString sopClassUid; |
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248 if (dcmff.getDataset()->findAndGetOFString(DCM_SOP_CLASS_UID, sopClassUid).good()) |
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249 { |
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250 connection.AddStorageSOPClass(sopClassUid.c_str()); |
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251 } |
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252 |
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253 // Determine whether a new presentation context must be |
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254 // negotiated, depending on the transfer syntax of this instance |
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255 DcmXfer xfer(dcmff.getDataset()->getOriginalXfer()); |
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256 const std::string syntax(xfer.getXferID()); |
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257 bool isGeneric = IsGenericTransferSyntax(syntax); |
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258 |
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259 if (isGeneric ^ IsGenericTransferSyntax(connection.GetPreferredTransferSyntax())) |
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260 { |
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261 // Making a generic-to-specific or specific-to-generic change of |
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262 // the transfer syntax. Renegotiate the connection. |
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263 LOG(INFO) << "Change in the transfer syntax: the C-Store associated must be renegotiated"; |
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264 |
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265 if (isGeneric) |
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266 { |
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267 connection.ResetPreferredTransferSyntax(); |
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268 } |
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269 else |
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270 { |
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271 connection.SetPreferredTransferSyntax(syntax); |
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272 } |
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273 } |
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274 |
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275 if (!connection.IsOpen()) |
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276 { |
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277 LOG(INFO) << "Renegotiating a C-Store association due to a change in the parameters"; |
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278 connection.Open(); |
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279 } |
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280 |
| 0 | 281 // Figure out which SOP class and SOP instance is encapsulated in the file |
| 282 DIC_UI sopClass; | |
| 283 DIC_UI sopInstance; | |
| 284 if (!DU_findSOPClassAndInstanceInDataSet(dcmff.getDataset(), sopClass, sopInstance)) | |
| 285 { | |
| 62 | 286 throw OrthancException("DicomUserConnection: Unable to find the SOP class and instance"); |
| 0 | 287 } |
| 288 | |
| 289 // Figure out which of the accepted presentation contexts should be used | |
| 290 int presID = ASC_findAcceptedPresentationContextID(assoc_, sopClass); | |
| 291 if (presID == 0) | |
| 292 { | |
| 293 const char *modalityName = dcmSOPClassUIDToModality(sopClass); | |
| 294 if (!modalityName) modalityName = dcmFindNameOfUID(sopClass); | |
| 295 if (!modalityName) modalityName = "unknown SOP class"; | |
| 62 | 296 throw OrthancException("DicomUserConnection: No presentation context for modality " + |
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297 std::string(modalityName)); |
| 0 | 298 } |
| 299 | |
| 300 // Prepare the transmission of data | |
| 301 T_DIMSE_C_StoreRQ req; | |
| 302 memset(&req, 0, sizeof(req)); | |
| 303 req.MessageID = assoc_->nextMsgID++; | |
| 304 strcpy(req.AffectedSOPClassUID, sopClass); | |
| 305 strcpy(req.AffectedSOPInstanceUID, sopInstance); | |
| 306 req.DataSetType = DIMSE_DATASET_PRESENT; | |
| 307 req.Priority = DIMSE_PRIORITY_MEDIUM; | |
| 308 | |
| 309 // Finally conduct transmission of data | |
| 310 T_DIMSE_C_StoreRSP rsp; | |
| 311 DcmDataset* statusDetail = NULL; | |
| 312 Check(DIMSE_storeUser(assoc_, presID, &req, | |
| 313 NULL, dcmff.getDataset(), /*progressCallback*/ NULL, NULL, | |
| 314 /*opt_blockMode*/ DIMSE_BLOCKING, /*opt_dimse_timeout*/ 0, | |
| 315 &rsp, &statusDetail, NULL)); | |
| 316 | |
| 317 if (statusDetail != NULL) | |
| 318 { | |
| 319 delete statusDetail; | |
| 320 } | |
| 321 } | |
| 322 | |
| 323 | |
| 324 static void FindCallback( | |
| 325 /* in */ | |
| 326 void *callbackData, | |
| 327 T_DIMSE_C_FindRQ *request, /* original find request */ | |
| 328 int responseCount, | |
| 329 T_DIMSE_C_FindRSP *response, /* pending response received */ | |
| 330 DcmDataset *responseIdentifiers /* pending response identifiers */ | |
| 331 ) | |
| 332 { | |
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333 DicomFindAnswers& answers = *reinterpret_cast<DicomFindAnswers*>(callbackData); |
| 0 | 334 |
| 335 if (responseIdentifiers != NULL) | |
| 336 { | |
| 337 DicomMap m; | |
| 338 FromDcmtkBridge::Convert(m, *responseIdentifiers); | |
| 339 answers.Add(m); | |
| 340 } | |
| 341 } | |
| 342 | |
| 343 void DicomUserConnection::Find(DicomFindAnswers& result, | |
| 344 FindRootModel model, | |
| 345 const DicomMap& fields) | |
| 346 { | |
| 347 CheckIsOpen(); | |
| 348 | |
| 349 const char* sopClass; | |
| 350 std::auto_ptr<DcmDataset> dataset(ToDcmtkBridge::Convert(fields)); | |
| 351 switch (model) | |
| 352 { | |
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353 case FindRootModel_Patient: |
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354 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "PATIENT"); |
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355 sopClass = UID_FINDPatientRootQueryRetrieveInformationModel; |
| 0 | 356 |
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357 // Accession number |
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358 if (!fields.HasTag(0x0008, 0x0050)) |
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359 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0050), ""); |
| 0 | 360 |
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361 // Patient ID |
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362 if (!fields.HasTag(0x0010, 0x0020)) |
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363 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0010, 0x0020), ""); |
| 0 | 364 |
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365 break; |
| 0 | 366 |
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367 case FindRootModel_Study: |
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368 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "STUDY"); |
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369 sopClass = UID_FINDStudyRootQueryRetrieveInformationModel; |
| 0 | 370 |
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371 // Accession number |
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372 if (!fields.HasTag(0x0008, 0x0050)) |
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373 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0050), ""); |
| 0 | 374 |
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375 // Study instance UID |
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376 if (!fields.HasTag(0x0020, 0x000d)) |
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377 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000d), ""); |
| 0 | 378 |
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379 break; |
| 0 | 380 |
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381 case FindRootModel_Series: |
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382 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "SERIES"); |
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383 sopClass = UID_FINDStudyRootQueryRetrieveInformationModel; |
| 0 | 384 |
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385 // Accession number |
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386 if (!fields.HasTag(0x0008, 0x0050)) |
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387 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0050), ""); |
| 0 | 388 |
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389 // Study instance UID |
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390 if (!fields.HasTag(0x0020, 0x000d)) |
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391 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000d), ""); |
| 0 | 392 |
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393 // Series instance UID |
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394 if (!fields.HasTag(0x0020, 0x000e)) |
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395 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000e), ""); |
| 0 | 396 |
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397 break; |
| 0 | 398 |
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399 case FindRootModel_Instance: |
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400 if (manufacturer_ == ModalityManufacturer_ClearCanvas || |
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401 manufacturer_ == ModalityManufacturer_Dcm4Chee) |
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402 { |
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403 // This is a particular case for ClearCanvas, thanks to Peter Somlo <peter.somlo@gmail.com>. |
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404 // https://groups.google.com/d/msg/orthanc-users/j-6C3MAVwiw/iolB9hclom8J |
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405 // http://www.clearcanvas.ca/Home/Community/OldForums/tabid/526/aff/11/aft/14670/afv/topic/Default.aspx |
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406 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "IMAGE"); |
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407 } |
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408 else |
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409 { |
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410 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "INSTANCE"); |
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411 } |
|
519
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412 |
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413 sopClass = UID_FINDStudyRootQueryRetrieveInformationModel; |
| 0 | 414 |
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415 // Accession number |
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416 if (!fields.HasTag(0x0008, 0x0050)) |
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417 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0050), ""); |
| 0 | 418 |
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419 // Study instance UID |
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420 if (!fields.HasTag(0x0020, 0x000d)) |
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421 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000d), ""); |
| 0 | 422 |
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423 // Series instance UID |
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424 if (!fields.HasTag(0x0020, 0x000e)) |
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425 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000e), ""); |
| 0 | 426 |
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427 // SOP Instance UID |
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428 if (!fields.HasTag(0x0008, 0x0018)) |
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429 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0018), ""); |
| 0 | 430 |
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431 break; |
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433 default: |
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434 throw OrthancException(ErrorCode_ParameterOutOfRange); |
| 0 | 435 } |
| 436 | |
| 437 // Figure out which of the accepted presentation contexts should be used | |
| 438 int presID = ASC_findAcceptedPresentationContextID(pimpl_->assoc_, sopClass); | |
| 439 if (presID == 0) | |
| 440 { | |
| 62 | 441 throw OrthancException("DicomUserConnection: The C-FIND command is not supported by the distant AET"); |
| 0 | 442 } |
| 443 | |
| 444 T_DIMSE_C_FindRQ request; | |
| 445 memset(&request, 0, sizeof(request)); | |
| 446 request.MessageID = pimpl_->assoc_->nextMsgID++; | |
| 447 strcpy(request.AffectedSOPClassUID, sopClass); | |
| 448 request.DataSetType = DIMSE_DATASET_PRESENT; | |
| 449 request.Priority = DIMSE_PRIORITY_MEDIUM; | |
| 450 | |
| 451 T_DIMSE_C_FindRSP response; | |
| 452 DcmDataset* statusDetail = NULL; | |
| 453 OFCondition cond = DIMSE_findUser(pimpl_->assoc_, presID, &request, dataset.get(), | |
| 454 FindCallback, &result, | |
| 455 /*opt_blockMode*/ DIMSE_BLOCKING, /*opt_dimse_timeout*/ 0, | |
| 456 &response, &statusDetail); | |
| 457 | |
| 458 if (statusDetail) | |
| 459 { | |
| 460 delete statusDetail; | |
| 461 } | |
| 462 | |
| 463 Check(cond); | |
| 464 } | |
| 465 | |
| 466 | |
| 467 void DicomUserConnection::FindPatient(DicomFindAnswers& result, | |
| 468 const DicomMap& fields) | |
| 469 { | |
| 470 // Only keep the filters from "fields" that are related to the patient | |
| 471 DicomMap s; | |
| 472 fields.ExtractPatientInformation(s); | |
| 473 Find(result, FindRootModel_Patient, s); | |
| 474 } | |
| 475 | |
| 476 void DicomUserConnection::FindStudy(DicomFindAnswers& result, | |
| 477 const DicomMap& fields) | |
| 478 { | |
| 479 // Only keep the filters from "fields" that are related to the study | |
| 480 DicomMap s; | |
| 481 fields.ExtractStudyInformation(s); | |
| 482 | |
| 80 | 483 s.CopyTagIfExists(fields, DICOM_TAG_PATIENT_ID); |
| 484 s.CopyTagIfExists(fields, DICOM_TAG_ACCESSION_NUMBER); | |
| 725 | 485 s.CopyTagIfExists(fields, DICOM_TAG_MODALITIES_IN_STUDY); |
| 0 | 486 |
| 487 Find(result, FindRootModel_Study, s); | |
| 488 } | |
| 489 | |
| 490 void DicomUserConnection::FindSeries(DicomFindAnswers& result, | |
| 491 const DicomMap& fields) | |
| 492 { | |
| 493 // Only keep the filters from "fields" that are related to the series | |
| 494 DicomMap s; | |
| 495 fields.ExtractSeriesInformation(s); | |
| 496 | |
| 80 | 497 s.CopyTagIfExists(fields, DICOM_TAG_PATIENT_ID); |
| 498 s.CopyTagIfExists(fields, DICOM_TAG_ACCESSION_NUMBER); | |
| 499 s.CopyTagIfExists(fields, DICOM_TAG_STUDY_INSTANCE_UID); | |
| 0 | 500 |
| 501 Find(result, FindRootModel_Series, s); | |
| 502 } | |
| 503 | |
| 504 void DicomUserConnection::FindInstance(DicomFindAnswers& result, | |
| 505 const DicomMap& fields) | |
| 506 { | |
| 507 // Only keep the filters from "fields" that are related to the instance | |
| 508 DicomMap s; | |
| 509 fields.ExtractInstanceInformation(s); | |
| 510 | |
| 80 | 511 s.CopyTagIfExists(fields, DICOM_TAG_PATIENT_ID); |
| 512 s.CopyTagIfExists(fields, DICOM_TAG_ACCESSION_NUMBER); | |
| 513 s.CopyTagIfExists(fields, DICOM_TAG_STUDY_INSTANCE_UID); | |
| 514 s.CopyTagIfExists(fields, DICOM_TAG_SERIES_INSTANCE_UID); | |
| 0 | 515 |
| 516 Find(result, FindRootModel_Instance, s); | |
| 517 } | |
| 518 | |
| 519 | |
| 520 void DicomUserConnection::Move(const std::string& targetAet, | |
| 521 const DicomMap& fields) | |
| 522 { | |
| 523 CheckIsOpen(); | |
| 524 | |
| 525 const char* sopClass = UID_MOVEStudyRootQueryRetrieveInformationModel; | |
| 526 std::auto_ptr<DcmDataset> dataset(ToDcmtkBridge::Convert(fields)); | |
| 527 | |
| 528 // Figure out which of the accepted presentation contexts should be used | |
| 529 int presID = ASC_findAcceptedPresentationContextID(pimpl_->assoc_, sopClass); | |
| 530 if (presID == 0) | |
| 531 { | |
| 62 | 532 throw OrthancException("DicomUserConnection: The C-MOVE command is not supported by the distant AET"); |
| 0 | 533 } |
| 534 | |
| 535 T_DIMSE_C_MoveRQ request; | |
| 536 memset(&request, 0, sizeof(request)); | |
| 537 request.MessageID = pimpl_->assoc_->nextMsgID++; | |
| 538 strcpy(request.AffectedSOPClassUID, sopClass); | |
| 539 request.DataSetType = DIMSE_DATASET_PRESENT; | |
| 540 request.Priority = DIMSE_PRIORITY_MEDIUM; | |
| 541 strncpy(request.MoveDestination, targetAet.c_str(), sizeof(DIC_AE) / sizeof(char)); | |
| 542 | |
| 543 T_DIMSE_C_MoveRSP response; | |
| 544 DcmDataset* statusDetail = NULL; | |
| 545 DcmDataset* responseIdentifiers = NULL; | |
| 546 OFCondition cond = DIMSE_moveUser(pimpl_->assoc_, presID, &request, dataset.get(), | |
| 547 NULL, NULL, | |
| 548 /*opt_blockMode*/ DIMSE_BLOCKING, /*opt_dimse_timeout*/ 0, | |
| 549 pimpl_->net_, NULL, NULL, | |
| 550 &response, &statusDetail, &responseIdentifiers); | |
| 551 | |
| 552 if (statusDetail) | |
| 553 { | |
| 554 delete statusDetail; | |
| 555 } | |
| 556 | |
| 557 if (responseIdentifiers) | |
| 558 { | |
| 559 delete responseIdentifiers; | |
| 560 } | |
| 561 | |
| 562 Check(cond); | |
| 563 } | |
| 564 | |
| 565 | |
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566 void DicomUserConnection::ResetStorageSOPClasses() |
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567 { |
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568 CheckStorageSOPClassesInvariant(); |
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569 |
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570 storageSOPClasses_.clear(); |
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571 defaultStorageSOPClasses_.clear(); |
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572 |
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573 // Copy the short list of storage SOP classes from DCMTK, making |
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574 // room for the 4 SOP classes reserved for C-ECHO, C-FIND, C-MOVE. |
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575 |
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576 std::set<std::string> uncommon; |
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577 uncommon.insert(UID_BlendingSoftcopyPresentationStateStorage); |
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578 uncommon.insert(UID_GrayscaleSoftcopyPresentationStateStorage); |
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579 uncommon.insert(UID_ColorSoftcopyPresentationStateStorage); |
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580 uncommon.insert(UID_PseudoColorSoftcopyPresentationStateStorage); |
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581 |
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582 // Add the storage syntaxes for C-STORE |
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583 for (int i = 0; i < numberOfDcmShortSCUStorageSOPClassUIDs - 1; i++) |
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584 { |
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585 if (uncommon.find(dcmShortSCUStorageSOPClassUIDs[i]) == uncommon.end()) |
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586 { |
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587 defaultStorageSOPClasses_.insert(dcmShortSCUStorageSOPClassUIDs[i]); |
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588 } |
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589 } |
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590 |
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591 CheckStorageSOPClassesInvariant(); |
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592 } |
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593 |
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594 |
| 656 | 595 DicomUserConnection::DicomUserConnection() : |
| 596 pimpl_(new PImpl), | |
|
666
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597 preferredTransferSyntax_(DEFAULT_PREFERRED_TRANSFER_SYNTAX), |
| 656 | 598 localAet_("STORESCU"), |
| 599 distantAet_("ANY-SCP"), | |
| 600 distantHost_("127.0.0.1") | |
| 0 | 601 { |
| 602 distantPort_ = 104; | |
|
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603 manufacturer_ = ModalityManufacturer_Generic; |
| 0 | 604 |
| 605 pimpl_->net_ = NULL; | |
| 606 pimpl_->params_ = NULL; | |
| 607 pimpl_->assoc_ = NULL; | |
|
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608 |
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609 // SOP classes for C-ECHO, C-FIND and C-MOVE |
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610 reservedStorageSOPClasses_.push_back(UID_VerificationSOPClass); |
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611 reservedStorageSOPClasses_.push_back(UID_FINDPatientRootQueryRetrieveInformationModel); |
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612 reservedStorageSOPClasses_.push_back(UID_FINDStudyRootQueryRetrieveInformationModel); |
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613 reservedStorageSOPClasses_.push_back(UID_MOVEStudyRootQueryRetrieveInformationModel); |
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614 |
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615 ResetStorageSOPClasses(); |
| 0 | 616 } |
| 617 | |
| 618 DicomUserConnection::~DicomUserConnection() | |
| 619 { | |
| 620 Close(); | |
| 621 } | |
| 622 | |
|
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623 |
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624 void DicomUserConnection::Connect(const RemoteModalityParameters& parameters) |
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625 { |
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626 SetDistantApplicationEntityTitle(parameters.GetApplicationEntityTitle()); |
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627 SetDistantHost(parameters.GetHost()); |
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628 SetDistantPort(parameters.GetPort()); |
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629 SetDistantManufacturer(parameters.GetManufacturer()); |
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630 } |
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631 |
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632 |
| 0 | 633 void DicomUserConnection::SetLocalApplicationEntityTitle(const std::string& aet) |
| 634 { | |
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635 if (localAet_ != aet) |
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636 { |
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637 Close(); |
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638 localAet_ = aet; |
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639 } |
| 0 | 640 } |
| 641 | |
| 642 void DicomUserConnection::SetDistantApplicationEntityTitle(const std::string& aet) | |
| 643 { | |
|
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644 if (distantAet_ != aet) |
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645 { |
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646 Close(); |
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647 distantAet_ = aet; |
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648 } |
| 0 | 649 } |
| 650 | |
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651 void DicomUserConnection::SetDistantManufacturer(ModalityManufacturer manufacturer) |
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652 { |
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653 if (manufacturer_ != manufacturer) |
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654 { |
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655 Close(); |
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656 manufacturer_ = manufacturer; |
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657 } |
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658 } |
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659 |
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660 void DicomUserConnection::ResetPreferredTransferSyntax() |
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661 { |
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662 SetPreferredTransferSyntax(DEFAULT_PREFERRED_TRANSFER_SYNTAX); |
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663 } |
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664 |
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665 void DicomUserConnection::SetPreferredTransferSyntax(const std::string& preferredTransferSyntax) |
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666 { |
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667 if (preferredTransferSyntax_ != preferredTransferSyntax) |
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668 { |
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669 Close(); |
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670 preferredTransferSyntax_ = preferredTransferSyntax; |
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671 } |
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672 } |
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673 |
| 0 | 674 |
| 675 void DicomUserConnection::SetDistantHost(const std::string& host) | |
| 676 { | |
|
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677 if (distantHost_ != host) |
| 0 | 678 { |
|
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679 if (host.size() > HOST_NAME_MAX - 10) |
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680 { |
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681 throw OrthancException("Distant host name is too long"); |
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682 } |
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683 |
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684 Close(); |
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685 distantHost_ = host; |
| 0 | 686 } |
| 687 } | |
| 688 | |
| 689 void DicomUserConnection::SetDistantPort(uint16_t port) | |
| 690 { | |
|
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691 if (distantPort_ != port) |
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692 { |
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693 Close(); |
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694 distantPort_ = port; |
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695 } |
| 0 | 696 } |
| 697 | |
| 698 void DicomUserConnection::Open() | |
| 699 { | |
|
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700 if (IsOpen()) |
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701 { |
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702 // Don't reopen the connection |
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703 return; |
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704 } |
| 0 | 705 |
|
769
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706 LOG(INFO) << "Opening a DICOM SCU connection from AET \"" << GetLocalApplicationEntityTitle() |
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707 << "\" to AET \"" << GetDistantApplicationEntityTitle() << "\" on host " |
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708 << GetDistantHost() << ":" << GetDistantPort() |
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709 << " (manufacturer: " << EnumerationToString(GetDistantManufacturer()) << ")"; |
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710 |
| 0 | 711 Check(ASC_initializeNetwork(NET_REQUESTOR, 0, /*opt_acse_timeout*/ 30, &pimpl_->net_)); |
| 712 Check(ASC_createAssociationParameters(&pimpl_->params_, /*opt_maxReceivePDULength*/ ASC_DEFAULTMAXPDU)); | |
| 713 | |
| 714 // Set this application's title and the called application's title in the params | |
| 715 Check(ASC_setAPTitles(pimpl_->params_, localAet_.c_str(), distantAet_.c_str(), NULL)); | |
| 716 | |
| 717 // Set the network addresses of the local and distant entities | |
| 718 char localHost[HOST_NAME_MAX]; | |
| 719 gethostname(localHost, HOST_NAME_MAX - 1); | |
| 720 | |
| 721 char distantHostAndPort[HOST_NAME_MAX]; | |
| 2 | 722 |
| 723 #ifdef _MSC_VER | |
|
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724 _snprintf |
| 2 | 725 #else |
|
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726 snprintf |
| 2 | 727 #endif |
|
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728 (distantHostAndPort, HOST_NAME_MAX - 1, "%s:%d", distantHost_.c_str(), distantPort_); |
| 0 | 729 |
| 730 Check(ASC_setPresentationAddresses(pimpl_->params_, localHost, distantHostAndPort)); | |
| 731 | |
| 732 // Set various options | |
| 733 Check(ASC_setTransportLayerType(pimpl_->params_, /*opt_secureConnection*/ false)); | |
| 734 | |
|
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|
735 SetupPresentationContexts(preferredTransferSyntax_); |
| 0 | 736 |
| 737 // Do the association | |
| 738 Check(ASC_requestAssociation(pimpl_->net_, pimpl_->params_, &pimpl_->assoc_)); | |
| 739 | |
| 740 if (ASC_countAcceptedPresentationContexts(pimpl_->params_) == 0) | |
| 741 { | |
| 62 | 742 throw OrthancException("DicomUserConnection: No Acceptable Presentation Contexts"); |
| 0 | 743 } |
| 744 } | |
| 745 | |
| 746 void DicomUserConnection::Close() | |
| 747 { | |
| 748 if (pimpl_->assoc_ != NULL) | |
| 749 { | |
| 750 ASC_releaseAssociation(pimpl_->assoc_); | |
| 751 ASC_destroyAssociation(&pimpl_->assoc_); | |
| 752 pimpl_->assoc_ = NULL; | |
| 753 pimpl_->params_ = NULL; | |
| 754 } | |
| 755 else | |
| 756 { | |
| 757 if (pimpl_->params_ != NULL) | |
| 758 { | |
| 759 ASC_destroyAssociationParameters(&pimpl_->params_); | |
| 760 pimpl_->params_ = NULL; | |
| 761 } | |
| 762 } | |
| 763 | |
| 764 if (pimpl_->net_ != NULL) | |
| 765 { | |
| 766 ASC_dropNetwork(&pimpl_->net_); | |
| 767 pimpl_->net_ = NULL; | |
| 768 } | |
| 769 } | |
| 770 | |
| 771 bool DicomUserConnection::IsOpen() const | |
| 772 { | |
| 773 return pimpl_->IsOpen(); | |
| 774 } | |
| 775 | |
| 776 void DicomUserConnection::Store(const char* buffer, size_t size) | |
| 777 { | |
| 778 // Prepare an input stream for the memory buffer | |
| 779 DcmInputBufferStream is; | |
| 780 if (size > 0) | |
| 781 is.setBuffer(buffer, size); | |
| 782 is.setEos(); | |
| 783 | |
|
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|
784 pimpl_->Store(is, *this); |
| 0 | 785 } |
| 786 | |
| 787 void DicomUserConnection::Store(const std::string& buffer) | |
| 788 { | |
| 789 if (buffer.size() > 0) | |
| 790 Store(reinterpret_cast<const char*>(&buffer[0]), buffer.size()); | |
| 791 else | |
| 792 Store(NULL, 0); | |
| 793 } | |
| 794 | |
| 795 void DicomUserConnection::StoreFile(const std::string& path) | |
| 796 { | |
| 797 // Prepare an input stream for the file | |
| 798 DcmInputFileStream is(path.c_str()); | |
|
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799 pimpl_->Store(is, *this); |
| 0 | 800 } |
| 801 | |
| 802 bool DicomUserConnection::Echo() | |
| 803 { | |
| 804 CheckIsOpen(); | |
| 805 DIC_US status; | |
| 806 Check(DIMSE_echoUser(pimpl_->assoc_, pimpl_->assoc_->nextMsgID++, | |
| 807 /*opt_blockMode*/ DIMSE_BLOCKING, /*opt_dimse_timeout*/ 0, | |
| 808 &status, NULL)); | |
| 809 return status == STATUS_Success; | |
| 810 } | |
| 811 | |
| 812 | |
| 813 void DicomUserConnection::MoveSeries(const std::string& targetAet, | |
| 814 const DicomMap& findResult) | |
| 815 { | |
| 816 DicomMap simplified; | |
| 80 | 817 simplified.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, findResult.GetValue(DICOM_TAG_STUDY_INSTANCE_UID)); |
| 818 simplified.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, findResult.GetValue(DICOM_TAG_SERIES_INSTANCE_UID)); | |
| 0 | 819 Move(targetAet, simplified); |
| 820 } | |
| 821 | |
| 822 void DicomUserConnection::MoveSeries(const std::string& targetAet, | |
| 823 const std::string& studyUid, | |
| 824 const std::string& seriesUid) | |
| 825 { | |
| 826 DicomMap map; | |
| 80 | 827 map.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, studyUid); |
| 828 map.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, seriesUid); | |
| 0 | 829 Move(targetAet, map); |
| 830 } | |
| 831 | |
| 832 void DicomUserConnection::MoveInstance(const std::string& targetAet, | |
| 833 const DicomMap& findResult) | |
| 834 { | |
| 835 DicomMap simplified; | |
| 80 | 836 simplified.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, findResult.GetValue(DICOM_TAG_STUDY_INSTANCE_UID)); |
| 837 simplified.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, findResult.GetValue(DICOM_TAG_SERIES_INSTANCE_UID)); | |
| 838 simplified.SetValue(DICOM_TAG_SOP_INSTANCE_UID, findResult.GetValue(DICOM_TAG_SOP_INSTANCE_UID)); | |
| 0 | 839 Move(targetAet, simplified); |
| 840 } | |
| 841 | |
| 842 void DicomUserConnection::MoveInstance(const std::string& targetAet, | |
| 843 const std::string& studyUid, | |
| 844 const std::string& seriesUid, | |
| 845 const std::string& instanceUid) | |
| 846 { | |
| 847 DicomMap map; | |
| 80 | 848 map.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, studyUid); |
| 849 map.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, seriesUid); | |
| 850 map.SetValue(DICOM_TAG_SOP_INSTANCE_UID, instanceUid); | |
| 0 | 851 Move(targetAet, map); |
| 852 } | |
| 853 | |
| 854 void DicomUserConnection::SetConnectionTimeout(uint32_t seconds) | |
| 855 { | |
| 856 dcmConnectionTimeout.set(seconds); | |
| 857 } | |
| 858 | |
|
763
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859 |
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860 void DicomUserConnection::CheckStorageSOPClassesInvariant() const |
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861 { |
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862 assert(storageSOPClasses_.size() + |
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863 defaultStorageSOPClasses_.size() + |
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864 reservedStorageSOPClasses_.size() <= MAXIMUM_STORAGE_SOP_CLASSES); |
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865 } |
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866 |
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867 void DicomUserConnection::AddStorageSOPClass(const char* sop) |
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868 { |
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869 CheckStorageSOPClassesInvariant(); |
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870 |
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871 if (storageSOPClasses_.find(sop) != storageSOPClasses_.end()) |
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872 { |
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873 // This storage SOP class is already explicitly registered. Do |
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874 // nothing. |
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875 return; |
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876 } |
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877 |
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878 if (defaultStorageSOPClasses_.find(sop) != defaultStorageSOPClasses_.end()) |
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879 { |
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880 // This storage SOP class is not explicitly registered, but is |
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881 // used by default. Just register it explicitly. |
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882 defaultStorageSOPClasses_.erase(sop); |
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883 storageSOPClasses_.insert(sop); |
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884 |
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885 CheckStorageSOPClassesInvariant(); |
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886 return; |
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887 } |
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888 |
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889 // This storage SOP class is neither explicitly, nor implicitly |
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890 // registered. Close the connection and register it explicitly. |
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891 |
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892 Close(); |
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893 |
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894 if (reservedStorageSOPClasses_.size() + |
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895 storageSOPClasses_.size() >= MAXIMUM_STORAGE_SOP_CLASSES) // (*) |
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896 { |
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897 // The maximum number of SOP classes is reached |
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898 ResetStorageSOPClasses(); |
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899 defaultStorageSOPClasses_.erase(sop); |
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900 } |
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901 else if (reservedStorageSOPClasses_.size() + storageSOPClasses_.size() + |
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902 defaultStorageSOPClasses_.size() >= MAXIMUM_STORAGE_SOP_CLASSES) |
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903 { |
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904 // Make room in the default storage syntaxes |
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905 assert(defaultStorageSOPClasses_.size() > 0); // Necessarily true because condition (*) is false |
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906 defaultStorageSOPClasses_.erase(*defaultStorageSOPClasses_.rbegin()); |
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907 } |
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908 |
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909 // Explicitly register the new storage syntax |
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910 storageSOPClasses_.insert(sop); |
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911 |
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912 CheckStorageSOPClassesInvariant(); |
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913 } |
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914 |
| 0 | 915 } |