Mercurial > hg > orthanc
annotate OrthancServer/DicomProtocol/DicomUserConnection.cpp @ 1202:476a17cfdf42
Fix crash when bad HTTP credentials are provided
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 27 Oct 2014 13:45:36 +0100 |
| parents | b17b6bd59747 |
| children | 5730f374e4e6 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 62 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
| 689 | 3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, |
| 0 | 4 * Belgium |
| 5 * | |
| 6 * This program is free software: you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU General Public License as | |
| 8 * published by the Free Software Foundation, either version 3 of the | |
| 9 * License, or (at your option) any later version. | |
| 136 | 10 * |
| 11 * In addition, as a special exception, the copyright holders of this | |
| 12 * program give permission to link the code of its release with the | |
| 13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 14 * that use the same license as the "OpenSSL" library), and distribute | |
| 15 * the linked executables. You must obey the GNU General Public License | |
| 16 * in all respects for all of the code used other than "OpenSSL". If you | |
| 17 * modify file(s) with this exception, you may extend this exception to | |
| 18 * your version of the file(s), but you are not obligated to do so. If | |
| 19 * you do not wish to do so, delete this exception statement from your | |
| 20 * version. If you delete this exception statement from all source files | |
| 21 * in the program, then also delete it here. | |
| 0 | 22 * |
| 23 * This program is distributed in the hope that it will be useful, but | |
| 24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 26 * General Public License for more details. | |
| 27 * | |
| 28 * You should have received a copy of the GNU General Public License | |
| 29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 30 **/ | |
| 31 | |
| 32 | |
|
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33 |
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34 /*========================================================================= |
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35 |
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36 This file is based on portions of the following project: |
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37 |
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38 Program: DCMTK 3.6.0 |
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39 Module: http://dicom.offis.de/dcmtk.php.en |
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40 |
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41 Copyright (C) 1994-2011, OFFIS e.V. |
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42 All rights reserved. |
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43 |
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44 This software and supporting documentation were developed by |
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45 |
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46 OFFIS e.V. |
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47 R&D Division Health |
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48 Escherweg 2 |
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49 26121 Oldenburg, Germany |
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50 |
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51 Redistribution and use in source and binary forms, with or without |
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52 modification, are permitted provided that the following conditions |
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53 are met: |
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54 |
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55 - Redistributions of source code must retain the above copyright |
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56 notice, this list of conditions and the following disclaimer. |
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57 |
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58 - Redistributions in binary form must reproduce the above copyright |
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59 notice, this list of conditions and the following disclaimer in the |
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60 documentation and/or other materials provided with the distribution. |
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61 |
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62 - Neither the name of OFFIS nor the names of its contributors may be |
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63 used to endorse or promote products derived from this software |
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64 without specific prior written permission. |
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65 |
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66 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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67 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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68 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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69 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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70 HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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71 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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72 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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73 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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74 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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75 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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76 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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77 |
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78 =========================================================================*/ |
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79 |
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80 |
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81 #include "../PrecompiledHeadersServer.h" |
| 0 | 82 #include "DicomUserConnection.h" |
| 83 | |
| 62 | 84 #include "../../Core/OrthancException.h" |
| 0 | 85 #include "../ToDcmtkBridge.h" |
| 86 #include "../FromDcmtkBridge.h" | |
| 87 | |
| 88 #include <dcmtk/dcmdata/dcistrmb.h> | |
| 89 #include <dcmtk/dcmdata/dcistrmf.h> | |
| 90 #include <dcmtk/dcmdata/dcfilefo.h> | |
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91 #include <dcmtk/dcmdata/dcmetinf.h> |
| 0 | 92 #include <dcmtk/dcmnet/diutil.h> |
| 93 | |
| 94 #include <set> | |
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95 #include <glog/logging.h> |
| 0 | 96 |
| 97 | |
| 98 | |
| 99 #ifdef _WIN32 | |
| 100 /** | |
| 101 * "The maximum length, in bytes, of the string returned in the buffer | |
| 102 * pointed to by the name parameter is dependent on the namespace provider, | |
| 103 * but this string must be 256 bytes or less. | |
| 104 * http://msdn.microsoft.com/en-us/library/windows/desktop/ms738527(v=vs.85).aspx | |
| 105 **/ | |
| 106 #define HOST_NAME_MAX 256 | |
| 107 #endif | |
| 108 | |
| 109 | |
| 918 | 110 #if !defined(HOST_NAME_MAX) && defined(_POSIX_HOST_NAME_MAX) |
| 890 | 111 /** |
| 112 * TO IMPROVE: "_POSIX_HOST_NAME_MAX is only the minimum value that | |
| 113 * HOST_NAME_MAX can ever have [...] Therefore you cannot allocate an | |
| 114 * array of size _POSIX_HOST_NAME_MAX, invoke gethostname() and expect | |
| 115 * that the result will fit." | |
| 116 * http://lists.gnu.org/archive/html/bug-gnulib/2009-08/msg00128.html | |
| 117 **/ | |
| 118 #define HOST_NAME_MAX _POSIX_HOST_NAME_MAX | |
| 119 #endif | |
| 120 | |
| 121 | |
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122 static const char* DEFAULT_PREFERRED_TRANSFER_SYNTAX = UID_LittleEndianImplicitTransferSyntax; |
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123 |
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124 /** |
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125 * "If we have more than 64 storage SOP classes, tools such as |
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126 * storescu will fail because they attempt to negotiate two |
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127 * presentation contexts for each SOP class, and there is a total |
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128 * limit of 128 contexts for one association." |
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129 **/ |
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130 static const unsigned int MAXIMUM_STORAGE_SOP_CLASSES = 64; |
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131 |
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132 |
| 62 | 133 namespace Orthanc |
| 0 | 134 { |
| 135 struct DicomUserConnection::PImpl | |
| 136 { | |
| 137 // Connection state | |
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138 uint32_t dimseTimeout_; |
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139 uint32_t acseTimeout_; |
| 0 | 140 T_ASC_Network* net_; |
| 141 T_ASC_Parameters* params_; | |
| 142 T_ASC_Association* assoc_; | |
| 143 | |
| 144 bool IsOpen() const | |
| 145 { | |
| 146 return assoc_ != NULL; | |
| 147 } | |
| 148 | |
| 149 void CheckIsOpen() const; | |
| 150 | |
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151 void Store(DcmInputStream& is, DicomUserConnection& connection); |
| 0 | 152 }; |
| 153 | |
| 154 | |
| 155 static void Check(const OFCondition& cond) | |
| 156 { | |
| 157 if (cond.bad()) | |
| 158 { | |
| 1017 | 159 LOG(ERROR) << "DicomUserConnection: " << std::string(cond.text()); |
| 160 throw OrthancException(ErrorCode_NetworkProtocol); | |
| 0 | 161 } |
| 162 } | |
| 163 | |
| 164 void DicomUserConnection::PImpl::CheckIsOpen() const | |
| 165 { | |
| 166 if (!IsOpen()) | |
| 167 { | |
| 1017 | 168 LOG(ERROR) << "DicomUserConnection: First open the connection"; |
| 169 throw OrthancException(ErrorCode_NetworkProtocol); | |
| 0 | 170 } |
| 171 } | |
| 172 | |
| 173 | |
| 174 void DicomUserConnection::CheckIsOpen() const | |
| 175 { | |
| 176 pimpl_->CheckIsOpen(); | |
| 177 } | |
| 178 | |
| 179 | |
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180 static void RegisterStorageSOPClass(T_ASC_Parameters* params, |
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181 unsigned int& presentationContextId, |
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182 const std::string& sopClass, |
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183 const char* asPreferred[], |
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184 std::vector<const char*>& asFallback) |
| 0 | 185 { |
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186 Check(ASC_addPresentationContext(params, presentationContextId, |
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187 sopClass.c_str(), asPreferred, 1)); |
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188 presentationContextId += 2; |
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189 |
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190 if (asFallback.size() > 0) |
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191 { |
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192 Check(ASC_addPresentationContext(params, presentationContextId, |
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193 sopClass.c_str(), &asFallback[0], asFallback.size())); |
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194 presentationContextId += 2; |
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195 } |
| 0 | 196 } |
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197 |
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198 |
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199 void DicomUserConnection::SetupPresentationContexts(const std::string& preferredTransferSyntax) |
| 0 | 200 { |
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201 // Flatten an array with the preferred transfer syntax |
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202 const char* asPreferred[1] = { preferredTransferSyntax.c_str() }; |
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203 |
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204 // Setup the fallback transfer syntaxes |
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205 std::set<std::string> fallbackSyntaxes; |
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206 fallbackSyntaxes.insert(UID_LittleEndianExplicitTransferSyntax); |
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207 fallbackSyntaxes.insert(UID_BigEndianExplicitTransferSyntax); |
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208 fallbackSyntaxes.insert(UID_LittleEndianImplicitTransferSyntax); |
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209 fallbackSyntaxes.erase(preferredTransferSyntax); |
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210 |
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211 // Flatten an array with the fallback transfer syntaxes |
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212 std::vector<const char*> asFallback; |
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213 asFallback.reserve(fallbackSyntaxes.size()); |
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214 for (std::set<std::string>::const_iterator |
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215 it = fallbackSyntaxes.begin(); it != fallbackSyntaxes.end(); ++it) |
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216 { |
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217 asFallback.push_back(it->c_str()); |
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218 } |
| 0 | 219 |
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220 CheckStorageSOPClassesInvariant(); |
| 0 | 221 unsigned int presentationContextId = 1; |
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222 |
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223 for (std::list<std::string>::const_iterator it = reservedStorageSOPClasses_.begin(); |
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224 it != reservedStorageSOPClasses_.end(); ++it) |
| 0 | 225 { |
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226 RegisterStorageSOPClass(pimpl_->params_, presentationContextId, |
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227 *it, asPreferred, asFallback); |
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228 } |
| 0 | 229 |
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230 for (std::set<std::string>::const_iterator it = storageSOPClasses_.begin(); |
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231 it != storageSOPClasses_.end(); ++it) |
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232 { |
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233 RegisterStorageSOPClass(pimpl_->params_, presentationContextId, |
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234 *it, asPreferred, asFallback); |
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235 } |
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236 |
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237 for (std::set<std::string>::const_iterator it = defaultStorageSOPClasses_.begin(); |
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238 it != defaultStorageSOPClasses_.end(); ++it) |
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239 { |
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240 RegisterStorageSOPClass(pimpl_->params_, presentationContextId, |
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241 *it, asPreferred, asFallback); |
| 0 | 242 } |
| 243 } | |
| 244 | |
| 245 | |
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246 static bool IsGenericTransferSyntax(const std::string& syntax) |
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247 { |
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248 return (syntax == UID_LittleEndianExplicitTransferSyntax || |
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249 syntax == UID_BigEndianExplicitTransferSyntax || |
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250 syntax == UID_LittleEndianImplicitTransferSyntax); |
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251 } |
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252 |
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253 |
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254 void DicomUserConnection::PImpl::Store(DcmInputStream& is, DicomUserConnection& connection) |
| 0 | 255 { |
| 256 CheckIsOpen(); | |
| 257 | |
| 258 DcmFileFormat dcmff; | |
| 259 Check(dcmff.read(is, EXS_Unknown, EGL_noChange, DCM_MaxReadLength)); | |
| 260 | |
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261 // Determine the storage SOP class UID for this instance |
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262 static const DcmTagKey DCM_SOP_CLASS_UID(0x0008, 0x0016); |
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263 OFString sopClassUid; |
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264 if (dcmff.getDataset()->findAndGetOFString(DCM_SOP_CLASS_UID, sopClassUid).good()) |
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265 { |
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266 connection.AddStorageSOPClass(sopClassUid.c_str()); |
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267 } |
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268 |
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269 // Determine whether a new presentation context must be |
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270 // negotiated, depending on the transfer syntax of this instance |
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271 DcmXfer xfer(dcmff.getDataset()->getOriginalXfer()); |
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272 const std::string syntax(xfer.getXferID()); |
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273 bool isGeneric = IsGenericTransferSyntax(syntax); |
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274 |
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275 if (isGeneric ^ IsGenericTransferSyntax(connection.GetPreferredTransferSyntax())) |
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276 { |
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277 // Making a generic-to-specific or specific-to-generic change of |
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278 // the transfer syntax. Renegotiate the connection. |
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279 LOG(INFO) << "Change in the transfer syntax: the C-Store associated must be renegotiated"; |
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280 |
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281 if (isGeneric) |
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282 { |
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283 connection.ResetPreferredTransferSyntax(); |
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284 } |
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285 else |
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286 { |
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287 connection.SetPreferredTransferSyntax(syntax); |
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288 } |
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289 } |
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290 |
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291 if (!connection.IsOpen()) |
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292 { |
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293 LOG(INFO) << "Renegotiating a C-Store association due to a change in the parameters"; |
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294 connection.Open(); |
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295 } |
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296 |
| 0 | 297 // Figure out which SOP class and SOP instance is encapsulated in the file |
| 298 DIC_UI sopClass; | |
| 299 DIC_UI sopInstance; | |
| 300 if (!DU_findSOPClassAndInstanceInDataSet(dcmff.getDataset(), sopClass, sopInstance)) | |
| 301 { | |
| 62 | 302 throw OrthancException("DicomUserConnection: Unable to find the SOP class and instance"); |
| 0 | 303 } |
| 304 | |
| 305 // Figure out which of the accepted presentation contexts should be used | |
| 306 int presID = ASC_findAcceptedPresentationContextID(assoc_, sopClass); | |
| 307 if (presID == 0) | |
| 308 { | |
| 309 const char *modalityName = dcmSOPClassUIDToModality(sopClass); | |
| 310 if (!modalityName) modalityName = dcmFindNameOfUID(sopClass); | |
| 311 if (!modalityName) modalityName = "unknown SOP class"; | |
| 62 | 312 throw OrthancException("DicomUserConnection: No presentation context for modality " + |
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313 std::string(modalityName)); |
| 0 | 314 } |
| 315 | |
| 316 // Prepare the transmission of data | |
| 317 T_DIMSE_C_StoreRQ req; | |
| 318 memset(&req, 0, sizeof(req)); | |
| 319 req.MessageID = assoc_->nextMsgID++; | |
| 320 strcpy(req.AffectedSOPClassUID, sopClass); | |
| 321 strcpy(req.AffectedSOPInstanceUID, sopInstance); | |
| 322 req.DataSetType = DIMSE_DATASET_PRESENT; | |
| 323 req.Priority = DIMSE_PRIORITY_MEDIUM; | |
| 324 | |
| 325 // Finally conduct transmission of data | |
| 326 T_DIMSE_C_StoreRSP rsp; | |
| 327 DcmDataset* statusDetail = NULL; | |
| 328 Check(DIMSE_storeUser(assoc_, presID, &req, | |
| 329 NULL, dcmff.getDataset(), /*progressCallback*/ NULL, NULL, | |
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330 /*opt_blockMode*/ DIMSE_BLOCKING, /*opt_dimse_timeout*/ dimseTimeout_, |
| 0 | 331 &rsp, &statusDetail, NULL)); |
| 332 | |
| 333 if (statusDetail != NULL) | |
| 334 { | |
| 335 delete statusDetail; | |
| 336 } | |
| 337 } | |
| 338 | |
| 339 | |
| 340 static void FindCallback( | |
| 341 /* in */ | |
| 342 void *callbackData, | |
| 343 T_DIMSE_C_FindRQ *request, /* original find request */ | |
| 344 int responseCount, | |
| 345 T_DIMSE_C_FindRSP *response, /* pending response received */ | |
| 346 DcmDataset *responseIdentifiers /* pending response identifiers */ | |
| 347 ) | |
| 348 { | |
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349 DicomFindAnswers& answers = *reinterpret_cast<DicomFindAnswers*>(callbackData); |
| 0 | 350 |
| 351 if (responseIdentifiers != NULL) | |
| 352 { | |
| 353 DicomMap m; | |
| 354 FromDcmtkBridge::Convert(m, *responseIdentifiers); | |
| 355 answers.Add(m); | |
| 356 } | |
| 357 } | |
| 358 | |
| 359 void DicomUserConnection::Find(DicomFindAnswers& result, | |
| 360 FindRootModel model, | |
| 361 const DicomMap& fields) | |
| 362 { | |
| 363 CheckIsOpen(); | |
| 364 | |
| 365 const char* sopClass; | |
| 366 std::auto_ptr<DcmDataset> dataset(ToDcmtkBridge::Convert(fields)); | |
| 367 switch (model) | |
| 368 { | |
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369 case FindRootModel_Patient: |
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370 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "PATIENT"); |
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371 sopClass = UID_FINDPatientRootQueryRetrieveInformationModel; |
| 0 | 372 |
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373 // Accession number |
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374 if (!fields.HasTag(0x0008, 0x0050)) |
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375 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0050), ""); |
| 0 | 376 |
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377 // Patient ID |
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378 if (!fields.HasTag(0x0010, 0x0020)) |
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379 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0010, 0x0020), ""); |
| 0 | 380 |
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381 break; |
| 0 | 382 |
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383 case FindRootModel_Study: |
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384 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "STUDY"); |
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385 sopClass = UID_FINDStudyRootQueryRetrieveInformationModel; |
| 0 | 386 |
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387 // Accession number |
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388 if (!fields.HasTag(0x0008, 0x0050)) |
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389 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0050), ""); |
| 0 | 390 |
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391 // Study instance UID |
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392 if (!fields.HasTag(0x0020, 0x000d)) |
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393 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000d), ""); |
| 0 | 394 |
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395 break; |
| 0 | 396 |
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397 case FindRootModel_Series: |
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398 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "SERIES"); |
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399 sopClass = UID_FINDStudyRootQueryRetrieveInformationModel; |
| 0 | 400 |
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401 // Accession number |
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402 if (!fields.HasTag(0x0008, 0x0050)) |
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403 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0050), ""); |
| 0 | 404 |
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405 // Study instance UID |
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406 if (!fields.HasTag(0x0020, 0x000d)) |
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407 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000d), ""); |
| 0 | 408 |
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409 // Series instance UID |
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410 if (!fields.HasTag(0x0020, 0x000e)) |
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411 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000e), ""); |
| 0 | 412 |
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413 break; |
| 0 | 414 |
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415 case FindRootModel_Instance: |
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416 if (manufacturer_ == ModalityManufacturer_ClearCanvas || |
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417 manufacturer_ == ModalityManufacturer_Dcm4Chee) |
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418 { |
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419 // This is a particular case for ClearCanvas, thanks to Peter Somlo <peter.somlo@gmail.com>. |
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420 // https://groups.google.com/d/msg/orthanc-users/j-6C3MAVwiw/iolB9hclom8J |
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421 // http://www.clearcanvas.ca/Home/Community/OldForums/tabid/526/aff/11/aft/14670/afv/topic/Default.aspx |
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422 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "IMAGE"); |
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423 } |
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424 else |
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425 { |
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426 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "INSTANCE"); |
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427 } |
|
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428 |
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429 sopClass = UID_FINDStudyRootQueryRetrieveInformationModel; |
| 0 | 430 |
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431 // Accession number |
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432 if (!fields.HasTag(0x0008, 0x0050)) |
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433 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0050), ""); |
| 0 | 434 |
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435 // Study instance UID |
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436 if (!fields.HasTag(0x0020, 0x000d)) |
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437 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000d), ""); |
| 0 | 438 |
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439 // Series instance UID |
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440 if (!fields.HasTag(0x0020, 0x000e)) |
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441 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000e), ""); |
| 0 | 442 |
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443 // SOP Instance UID |
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444 if (!fields.HasTag(0x0008, 0x0018)) |
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445 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0018), ""); |
| 0 | 446 |
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447 break; |
| 0 | 448 |
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449 default: |
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450 throw OrthancException(ErrorCode_ParameterOutOfRange); |
| 0 | 451 } |
| 452 | |
| 453 // Figure out which of the accepted presentation contexts should be used | |
| 454 int presID = ASC_findAcceptedPresentationContextID(pimpl_->assoc_, sopClass); | |
| 455 if (presID == 0) | |
| 456 { | |
| 62 | 457 throw OrthancException("DicomUserConnection: The C-FIND command is not supported by the distant AET"); |
| 0 | 458 } |
| 459 | |
| 460 T_DIMSE_C_FindRQ request; | |
| 461 memset(&request, 0, sizeof(request)); | |
| 462 request.MessageID = pimpl_->assoc_->nextMsgID++; | |
| 463 strcpy(request.AffectedSOPClassUID, sopClass); | |
| 464 request.DataSetType = DIMSE_DATASET_PRESENT; | |
| 465 request.Priority = DIMSE_PRIORITY_MEDIUM; | |
| 466 | |
| 467 T_DIMSE_C_FindRSP response; | |
| 468 DcmDataset* statusDetail = NULL; | |
| 469 OFCondition cond = DIMSE_findUser(pimpl_->assoc_, presID, &request, dataset.get(), | |
| 470 FindCallback, &result, | |
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471 /*opt_blockMode*/ DIMSE_BLOCKING, |
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472 /*opt_dimse_timeout*/ pimpl_->dimseTimeout_, |
| 0 | 473 &response, &statusDetail); |
| 474 | |
| 475 if (statusDetail) | |
| 476 { | |
| 477 delete statusDetail; | |
| 478 } | |
| 479 | |
| 480 Check(cond); | |
| 481 } | |
| 482 | |
| 483 | |
| 484 void DicomUserConnection::FindPatient(DicomFindAnswers& result, | |
| 485 const DicomMap& fields) | |
| 486 { | |
| 487 // Only keep the filters from "fields" that are related to the patient | |
| 488 DicomMap s; | |
| 489 fields.ExtractPatientInformation(s); | |
| 490 Find(result, FindRootModel_Patient, s); | |
| 491 } | |
| 492 | |
| 493 void DicomUserConnection::FindStudy(DicomFindAnswers& result, | |
| 494 const DicomMap& fields) | |
| 495 { | |
| 496 // Only keep the filters from "fields" that are related to the study | |
| 497 DicomMap s; | |
| 498 fields.ExtractStudyInformation(s); | |
| 499 | |
| 80 | 500 s.CopyTagIfExists(fields, DICOM_TAG_PATIENT_ID); |
| 501 s.CopyTagIfExists(fields, DICOM_TAG_ACCESSION_NUMBER); | |
| 725 | 502 s.CopyTagIfExists(fields, DICOM_TAG_MODALITIES_IN_STUDY); |
| 0 | 503 |
| 504 Find(result, FindRootModel_Study, s); | |
| 505 } | |
| 506 | |
| 507 void DicomUserConnection::FindSeries(DicomFindAnswers& result, | |
| 508 const DicomMap& fields) | |
| 509 { | |
| 510 // Only keep the filters from "fields" that are related to the series | |
| 511 DicomMap s; | |
| 512 fields.ExtractSeriesInformation(s); | |
| 513 | |
| 80 | 514 s.CopyTagIfExists(fields, DICOM_TAG_PATIENT_ID); |
| 515 s.CopyTagIfExists(fields, DICOM_TAG_ACCESSION_NUMBER); | |
| 516 s.CopyTagIfExists(fields, DICOM_TAG_STUDY_INSTANCE_UID); | |
| 0 | 517 |
| 518 Find(result, FindRootModel_Series, s); | |
| 519 } | |
| 520 | |
| 521 void DicomUserConnection::FindInstance(DicomFindAnswers& result, | |
| 522 const DicomMap& fields) | |
| 523 { | |
| 524 // Only keep the filters from "fields" that are related to the instance | |
| 525 DicomMap s; | |
| 526 fields.ExtractInstanceInformation(s); | |
| 527 | |
| 80 | 528 s.CopyTagIfExists(fields, DICOM_TAG_PATIENT_ID); |
| 529 s.CopyTagIfExists(fields, DICOM_TAG_ACCESSION_NUMBER); | |
| 530 s.CopyTagIfExists(fields, DICOM_TAG_STUDY_INSTANCE_UID); | |
| 531 s.CopyTagIfExists(fields, DICOM_TAG_SERIES_INSTANCE_UID); | |
| 0 | 532 |
| 533 Find(result, FindRootModel_Instance, s); | |
| 534 } | |
| 535 | |
| 536 | |
| 537 void DicomUserConnection::Move(const std::string& targetAet, | |
| 538 const DicomMap& fields) | |
| 539 { | |
| 540 CheckIsOpen(); | |
| 541 | |
| 542 const char* sopClass = UID_MOVEStudyRootQueryRetrieveInformationModel; | |
| 543 std::auto_ptr<DcmDataset> dataset(ToDcmtkBridge::Convert(fields)); | |
| 544 | |
| 545 // Figure out which of the accepted presentation contexts should be used | |
| 546 int presID = ASC_findAcceptedPresentationContextID(pimpl_->assoc_, sopClass); | |
| 547 if (presID == 0) | |
| 548 { | |
| 62 | 549 throw OrthancException("DicomUserConnection: The C-MOVE command is not supported by the distant AET"); |
| 0 | 550 } |
| 551 | |
| 552 T_DIMSE_C_MoveRQ request; | |
| 553 memset(&request, 0, sizeof(request)); | |
| 554 request.MessageID = pimpl_->assoc_->nextMsgID++; | |
| 555 strcpy(request.AffectedSOPClassUID, sopClass); | |
| 556 request.DataSetType = DIMSE_DATASET_PRESENT; | |
| 557 request.Priority = DIMSE_PRIORITY_MEDIUM; | |
| 558 strncpy(request.MoveDestination, targetAet.c_str(), sizeof(DIC_AE) / sizeof(char)); | |
| 559 | |
| 560 T_DIMSE_C_MoveRSP response; | |
| 561 DcmDataset* statusDetail = NULL; | |
| 562 DcmDataset* responseIdentifiers = NULL; | |
| 563 OFCondition cond = DIMSE_moveUser(pimpl_->assoc_, presID, &request, dataset.get(), | |
| 564 NULL, NULL, | |
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565 /*opt_blockMode*/ DIMSE_BLOCKING, |
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566 /*opt_dimse_timeout*/ pimpl_->dimseTimeout_, |
| 0 | 567 pimpl_->net_, NULL, NULL, |
| 568 &response, &statusDetail, &responseIdentifiers); | |
| 569 | |
| 570 if (statusDetail) | |
| 571 { | |
| 572 delete statusDetail; | |
| 573 } | |
| 574 | |
| 575 if (responseIdentifiers) | |
| 576 { | |
| 577 delete responseIdentifiers; | |
| 578 } | |
| 579 | |
| 580 Check(cond); | |
| 581 } | |
| 582 | |
| 583 | |
|
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584 void DicomUserConnection::ResetStorageSOPClasses() |
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585 { |
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586 CheckStorageSOPClassesInvariant(); |
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587 |
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588 storageSOPClasses_.clear(); |
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589 defaultStorageSOPClasses_.clear(); |
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590 |
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591 // Copy the short list of storage SOP classes from DCMTK, making |
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592 // room for the 4 SOP classes reserved for C-ECHO, C-FIND, C-MOVE. |
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593 |
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594 std::set<std::string> uncommon; |
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595 uncommon.insert(UID_BlendingSoftcopyPresentationStateStorage); |
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596 uncommon.insert(UID_GrayscaleSoftcopyPresentationStateStorage); |
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597 uncommon.insert(UID_ColorSoftcopyPresentationStateStorage); |
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598 uncommon.insert(UID_PseudoColorSoftcopyPresentationStateStorage); |
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599 |
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|
600 // Add the storage syntaxes for C-STORE |
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601 for (int i = 0; i < numberOfDcmShortSCUStorageSOPClassUIDs - 1; i++) |
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602 { |
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603 if (uncommon.find(dcmShortSCUStorageSOPClassUIDs[i]) == uncommon.end()) |
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604 { |
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605 defaultStorageSOPClasses_.insert(dcmShortSCUStorageSOPClassUIDs[i]); |
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606 } |
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607 } |
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|
608 |
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609 CheckStorageSOPClassesInvariant(); |
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610 } |
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|
611 |
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|
612 |
| 656 | 613 DicomUserConnection::DicomUserConnection() : |
| 614 pimpl_(new PImpl), | |
|
666
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615 preferredTransferSyntax_(DEFAULT_PREFERRED_TRANSFER_SYNTAX), |
| 656 | 616 localAet_("STORESCU"), |
| 617 distantAet_("ANY-SCP"), | |
| 618 distantHost_("127.0.0.1") | |
| 0 | 619 { |
| 620 distantPort_ = 104; | |
|
519
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621 manufacturer_ = ModalityManufacturer_Generic; |
| 0 | 622 |
|
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623 SetTimeout(10); |
| 0 | 624 pimpl_->net_ = NULL; |
| 625 pimpl_->params_ = NULL; | |
| 626 pimpl_->assoc_ = NULL; | |
|
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627 |
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628 // SOP classes for C-ECHO, C-FIND and C-MOVE |
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629 reservedStorageSOPClasses_.push_back(UID_VerificationSOPClass); |
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630 reservedStorageSOPClasses_.push_back(UID_FINDPatientRootQueryRetrieveInformationModel); |
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631 reservedStorageSOPClasses_.push_back(UID_FINDStudyRootQueryRetrieveInformationModel); |
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632 reservedStorageSOPClasses_.push_back(UID_MOVEStudyRootQueryRetrieveInformationModel); |
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633 |
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634 ResetStorageSOPClasses(); |
| 0 | 635 } |
| 636 | |
| 637 DicomUserConnection::~DicomUserConnection() | |
| 638 { | |
| 639 Close(); | |
| 640 } | |
| 641 | |
|
772
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642 |
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643 void DicomUserConnection::Connect(const RemoteModalityParameters& parameters) |
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644 { |
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645 SetDistantApplicationEntityTitle(parameters.GetApplicationEntityTitle()); |
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646 SetDistantHost(parameters.GetHost()); |
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647 SetDistantPort(parameters.GetPort()); |
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648 SetDistantManufacturer(parameters.GetManufacturer()); |
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649 } |
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650 |
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651 |
| 0 | 652 void DicomUserConnection::SetLocalApplicationEntityTitle(const std::string& aet) |
| 653 { | |
|
662
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654 if (localAet_ != aet) |
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655 { |
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656 Close(); |
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657 localAet_ = aet; |
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658 } |
| 0 | 659 } |
| 660 | |
| 661 void DicomUserConnection::SetDistantApplicationEntityTitle(const std::string& aet) | |
| 662 { | |
|
662
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663 if (distantAet_ != aet) |
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664 { |
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665 Close(); |
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666 distantAet_ = aet; |
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667 } |
| 0 | 668 } |
| 669 | |
|
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670 void DicomUserConnection::SetDistantManufacturer(ModalityManufacturer manufacturer) |
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671 { |
|
662
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672 if (manufacturer_ != manufacturer) |
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673 { |
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674 Close(); |
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675 manufacturer_ = manufacturer; |
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676 } |
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677 } |
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678 |
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679 void DicomUserConnection::ResetPreferredTransferSyntax() |
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680 { |
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681 SetPreferredTransferSyntax(DEFAULT_PREFERRED_TRANSFER_SYNTAX); |
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682 } |
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683 |
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684 void DicomUserConnection::SetPreferredTransferSyntax(const std::string& preferredTransferSyntax) |
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685 { |
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686 if (preferredTransferSyntax_ != preferredTransferSyntax) |
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687 { |
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688 Close(); |
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689 preferredTransferSyntax_ = preferredTransferSyntax; |
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690 } |
|
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691 } |
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|
692 |
| 0 | 693 |
| 694 void DicomUserConnection::SetDistantHost(const std::string& host) | |
| 695 { | |
|
662
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|
696 if (distantHost_ != host) |
| 0 | 697 { |
|
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698 if (host.size() > HOST_NAME_MAX - 10) |
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699 { |
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|
700 throw OrthancException("Distant host name is too long"); |
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701 } |
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|
702 |
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|
703 Close(); |
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|
704 distantHost_ = host; |
| 0 | 705 } |
| 706 } | |
| 707 | |
| 708 void DicomUserConnection::SetDistantPort(uint16_t port) | |
| 709 { | |
|
662
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710 if (distantPort_ != port) |
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711 { |
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712 Close(); |
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|
713 distantPort_ = port; |
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|
714 } |
| 0 | 715 } |
| 716 | |
| 717 void DicomUserConnection::Open() | |
| 718 { | |
|
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|
719 if (IsOpen()) |
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720 { |
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721 // Don't reopen the connection |
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722 return; |
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|
723 } |
| 0 | 724 |
|
769
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ReusableDicomUserConnection
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|
725 LOG(INFO) << "Opening a DICOM SCU connection from AET \"" << GetLocalApplicationEntityTitle() |
|
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|
726 << "\" to AET \"" << GetDistantApplicationEntityTitle() << "\" on host " |
|
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727 << GetDistantHost() << ":" << GetDistantPort() |
|
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|
728 << " (manufacturer: " << EnumerationToString(GetDistantManufacturer()) << ")"; |
|
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|
729 |
|
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|
730 Check(ASC_initializeNetwork(NET_REQUESTOR, 0, /*opt_acse_timeout*/ pimpl_->acseTimeout_, &pimpl_->net_)); |
| 0 | 731 Check(ASC_createAssociationParameters(&pimpl_->params_, /*opt_maxReceivePDULength*/ ASC_DEFAULTMAXPDU)); |
| 732 | |
| 733 // Set this application's title and the called application's title in the params | |
| 734 Check(ASC_setAPTitles(pimpl_->params_, localAet_.c_str(), distantAet_.c_str(), NULL)); | |
| 735 | |
| 736 // Set the network addresses of the local and distant entities | |
| 737 char localHost[HOST_NAME_MAX]; | |
| 738 gethostname(localHost, HOST_NAME_MAX - 1); | |
| 739 | |
| 740 char distantHostAndPort[HOST_NAME_MAX]; | |
| 2 | 741 |
| 742 #ifdef _MSC_VER | |
|
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|
743 _snprintf |
| 2 | 744 #else |
|
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|
745 snprintf |
| 2 | 746 #endif |
|
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|
747 (distantHostAndPort, HOST_NAME_MAX - 1, "%s:%d", distantHost_.c_str(), distantPort_); |
| 0 | 748 |
| 749 Check(ASC_setPresentationAddresses(pimpl_->params_, localHost, distantHostAndPort)); | |
| 750 | |
| 751 // Set various options | |
| 752 Check(ASC_setTransportLayerType(pimpl_->params_, /*opt_secureConnection*/ false)); | |
| 753 | |
|
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754 SetupPresentationContexts(preferredTransferSyntax_); |
| 0 | 755 |
| 756 // Do the association | |
| 757 Check(ASC_requestAssociation(pimpl_->net_, pimpl_->params_, &pimpl_->assoc_)); | |
| 758 | |
| 759 if (ASC_countAcceptedPresentationContexts(pimpl_->params_) == 0) | |
| 760 { | |
| 62 | 761 throw OrthancException("DicomUserConnection: No Acceptable Presentation Contexts"); |
| 0 | 762 } |
| 763 } | |
| 764 | |
| 765 void DicomUserConnection::Close() | |
| 766 { | |
| 767 if (pimpl_->assoc_ != NULL) | |
| 768 { | |
| 769 ASC_releaseAssociation(pimpl_->assoc_); | |
| 770 ASC_destroyAssociation(&pimpl_->assoc_); | |
| 771 pimpl_->assoc_ = NULL; | |
| 772 pimpl_->params_ = NULL; | |
| 773 } | |
| 774 else | |
| 775 { | |
| 776 if (pimpl_->params_ != NULL) | |
| 777 { | |
| 778 ASC_destroyAssociationParameters(&pimpl_->params_); | |
| 779 pimpl_->params_ = NULL; | |
| 780 } | |
| 781 } | |
| 782 | |
| 783 if (pimpl_->net_ != NULL) | |
| 784 { | |
| 785 ASC_dropNetwork(&pimpl_->net_); | |
| 786 pimpl_->net_ = NULL; | |
| 787 } | |
| 788 } | |
| 789 | |
| 790 bool DicomUserConnection::IsOpen() const | |
| 791 { | |
| 792 return pimpl_->IsOpen(); | |
| 793 } | |
| 794 | |
| 795 void DicomUserConnection::Store(const char* buffer, size_t size) | |
| 796 { | |
| 797 // Prepare an input stream for the memory buffer | |
| 798 DcmInputBufferStream is; | |
| 799 if (size > 0) | |
| 800 is.setBuffer(buffer, size); | |
| 801 is.setEos(); | |
| 802 | |
|
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803 pimpl_->Store(is, *this); |
| 0 | 804 } |
| 805 | |
| 806 void DicomUserConnection::Store(const std::string& buffer) | |
| 807 { | |
| 808 if (buffer.size() > 0) | |
| 809 Store(reinterpret_cast<const char*>(&buffer[0]), buffer.size()); | |
| 810 else | |
| 811 Store(NULL, 0); | |
| 812 } | |
| 813 | |
| 814 void DicomUserConnection::StoreFile(const std::string& path) | |
| 815 { | |
| 816 // Prepare an input stream for the file | |
| 817 DcmInputFileStream is(path.c_str()); | |
|
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818 pimpl_->Store(is, *this); |
| 0 | 819 } |
| 820 | |
| 821 bool DicomUserConnection::Echo() | |
| 822 { | |
| 823 CheckIsOpen(); | |
| 824 DIC_US status; | |
| 825 Check(DIMSE_echoUser(pimpl_->assoc_, pimpl_->assoc_->nextMsgID++, | |
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826 /*opt_blockMode*/ DIMSE_BLOCKING, |
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827 /*opt_dimse_timeout*/ pimpl_->dimseTimeout_, |
| 0 | 828 &status, NULL)); |
| 829 return status == STATUS_Success; | |
| 830 } | |
| 831 | |
| 832 | |
| 833 void DicomUserConnection::MoveSeries(const std::string& targetAet, | |
| 834 const DicomMap& findResult) | |
| 835 { | |
| 836 DicomMap simplified; | |
| 80 | 837 simplified.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, findResult.GetValue(DICOM_TAG_STUDY_INSTANCE_UID)); |
| 838 simplified.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, findResult.GetValue(DICOM_TAG_SERIES_INSTANCE_UID)); | |
| 0 | 839 Move(targetAet, simplified); |
| 840 } | |
| 841 | |
| 842 void DicomUserConnection::MoveSeries(const std::string& targetAet, | |
| 843 const std::string& studyUid, | |
| 844 const std::string& seriesUid) | |
| 845 { | |
| 846 DicomMap map; | |
| 80 | 847 map.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, studyUid); |
| 848 map.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, seriesUid); | |
| 0 | 849 Move(targetAet, map); |
| 850 } | |
| 851 | |
| 852 void DicomUserConnection::MoveInstance(const std::string& targetAet, | |
| 853 const DicomMap& findResult) | |
| 854 { | |
| 855 DicomMap simplified; | |
| 80 | 856 simplified.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, findResult.GetValue(DICOM_TAG_STUDY_INSTANCE_UID)); |
| 857 simplified.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, findResult.GetValue(DICOM_TAG_SERIES_INSTANCE_UID)); | |
| 858 simplified.SetValue(DICOM_TAG_SOP_INSTANCE_UID, findResult.GetValue(DICOM_TAG_SOP_INSTANCE_UID)); | |
| 0 | 859 Move(targetAet, simplified); |
| 860 } | |
| 861 | |
| 862 void DicomUserConnection::MoveInstance(const std::string& targetAet, | |
| 863 const std::string& studyUid, | |
| 864 const std::string& seriesUid, | |
| 865 const std::string& instanceUid) | |
| 866 { | |
| 867 DicomMap map; | |
| 80 | 868 map.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, studyUid); |
| 869 map.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, seriesUid); | |
| 870 map.SetValue(DICOM_TAG_SOP_INSTANCE_UID, instanceUid); | |
| 0 | 871 Move(targetAet, map); |
| 872 } | |
| 873 | |
|
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874 |
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875 void DicomUserConnection::SetTimeout(uint32_t seconds) |
| 0 | 876 { |
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877 if (seconds <= 0) |
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878 { |
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879 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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880 } |
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881 |
| 0 | 882 dcmConnectionTimeout.set(seconds); |
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883 pimpl_->dimseTimeout_ = seconds; |
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884 pimpl_->acseTimeout_ = 10; |
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885 } |
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886 |
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887 |
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888 void DicomUserConnection::DisableTimeout() |
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889 { |
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890 /** |
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891 * Global timeout (seconds) for connecting to remote hosts. |
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892 * Default value is -1 which selects infinite timeout, i.e. blocking connect(). |
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893 */ |
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894 dcmConnectionTimeout.set(-1); |
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895 pimpl_->dimseTimeout_ = 0; |
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896 pimpl_->acseTimeout_ = 10; |
| 0 | 897 } |
| 898 | |
|
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899 |
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900 void DicomUserConnection::CheckStorageSOPClassesInvariant() const |
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901 { |
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902 assert(storageSOPClasses_.size() + |
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903 defaultStorageSOPClasses_.size() + |
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904 reservedStorageSOPClasses_.size() <= MAXIMUM_STORAGE_SOP_CLASSES); |
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905 } |
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906 |
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907 void DicomUserConnection::AddStorageSOPClass(const char* sop) |
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908 { |
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909 CheckStorageSOPClassesInvariant(); |
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910 |
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911 if (storageSOPClasses_.find(sop) != storageSOPClasses_.end()) |
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912 { |
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913 // This storage SOP class is already explicitly registered. Do |
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914 // nothing. |
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915 return; |
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916 } |
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917 |
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918 if (defaultStorageSOPClasses_.find(sop) != defaultStorageSOPClasses_.end()) |
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919 { |
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920 // This storage SOP class is not explicitly registered, but is |
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921 // used by default. Just register it explicitly. |
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922 defaultStorageSOPClasses_.erase(sop); |
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923 storageSOPClasses_.insert(sop); |
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924 |
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925 CheckStorageSOPClassesInvariant(); |
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926 return; |
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927 } |
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928 |
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929 // This storage SOP class is neither explicitly, nor implicitly |
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930 // registered. Close the connection and register it explicitly. |
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931 |
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932 Close(); |
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933 |
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934 if (reservedStorageSOPClasses_.size() + |
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935 storageSOPClasses_.size() >= MAXIMUM_STORAGE_SOP_CLASSES) // (*) |
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936 { |
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937 // The maximum number of SOP classes is reached |
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938 ResetStorageSOPClasses(); |
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939 defaultStorageSOPClasses_.erase(sop); |
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940 } |
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941 else if (reservedStorageSOPClasses_.size() + storageSOPClasses_.size() + |
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942 defaultStorageSOPClasses_.size() >= MAXIMUM_STORAGE_SOP_CLASSES) |
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943 { |
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944 // Make room in the default storage syntaxes |
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945 assert(defaultStorageSOPClasses_.size() > 0); // Necessarily true because condition (*) is false |
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946 defaultStorageSOPClasses_.erase(*defaultStorageSOPClasses_.rbegin()); |
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947 } |
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948 |
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949 // Explicitly register the new storage syntax |
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950 storageSOPClasses_.insert(sop); |
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951 |
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952 CheckStorageSOPClassesInvariant(); |
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953 } |
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954 |
| 0 | 955 } |