Mercurial > hg > orthanc
annotate OrthancServer/DicomProtocol/DicomUserConnection.cpp @ 763:b5e6d2823115
dynamic negotiation of storage sop classes
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 29 Apr 2014 17:15:59 +0200 |
| parents | b79eda29896d |
| children | 0a2f8c707c78 |
| 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 | |
| 33 #include "DicomUserConnection.h" | |
| 34 | |
| 62 | 35 #include "../../Core/OrthancException.h" |
| 0 | 36 #include "../ToDcmtkBridge.h" |
| 37 #include "../FromDcmtkBridge.h" | |
| 38 | |
| 39 #include <dcmtk/dcmdata/dcistrmb.h> | |
| 40 #include <dcmtk/dcmdata/dcistrmf.h> | |
| 41 #include <dcmtk/dcmdata/dcfilefo.h> | |
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42 #include <dcmtk/dcmdata/dcmetinf.h> |
| 0 | 43 #include <dcmtk/dcmnet/diutil.h> |
| 44 | |
| 45 #include <set> | |
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46 #include <glog/logging.h> |
| 0 | 47 |
| 48 | |
| 49 | |
| 50 #ifdef _WIN32 | |
| 51 /** | |
| 52 * "The maximum length, in bytes, of the string returned in the buffer | |
| 53 * pointed to by the name parameter is dependent on the namespace provider, | |
| 54 * but this string must be 256 bytes or less. | |
| 55 * http://msdn.microsoft.com/en-us/library/windows/desktop/ms738527(v=vs.85).aspx | |
| 56 **/ | |
| 57 #define HOST_NAME_MAX 256 | |
| 58 #endif | |
| 59 | |
| 60 | |
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61 static const char* DEFAULT_PREFERRED_TRANSFER_SYNTAX = UID_LittleEndianImplicitTransferSyntax; |
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62 |
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63 /** |
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64 * "If we have more than 64 storage SOP classes, tools such as |
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65 * storescu will fail because they attempt to negotiate two |
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66 * presentation contexts for each SOP class, and there is a total |
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67 * limit of 128 contexts for one association." |
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68 **/ |
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69 static const unsigned int MAXIMUM_STORAGE_SOP_CLASSES = 64; |
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70 |
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71 |
| 62 | 72 namespace Orthanc |
| 0 | 73 { |
| 74 struct DicomUserConnection::PImpl | |
| 75 { | |
| 76 // Connection state | |
| 77 T_ASC_Network* net_; | |
| 78 T_ASC_Parameters* params_; | |
| 79 T_ASC_Association* assoc_; | |
| 80 | |
| 81 bool IsOpen() const | |
| 82 { | |
| 83 return assoc_ != NULL; | |
| 84 } | |
| 85 | |
| 86 void CheckIsOpen() const; | |
| 87 | |
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88 void Store(DcmInputStream& is, DicomUserConnection& connection); |
| 0 | 89 }; |
| 90 | |
| 91 | |
| 92 static void Check(const OFCondition& cond) | |
| 93 { | |
| 94 if (cond.bad()) | |
| 95 { | |
| 62 | 96 throw OrthancException("DicomUserConnection: " + std::string(cond.text())); |
| 0 | 97 } |
| 98 } | |
| 99 | |
| 100 void DicomUserConnection::PImpl::CheckIsOpen() const | |
| 101 { | |
| 102 if (!IsOpen()) | |
| 103 { | |
| 62 | 104 throw OrthancException("DicomUserConnection: First open the connection"); |
| 0 | 105 } |
| 106 } | |
| 107 | |
| 108 | |
| 109 void DicomUserConnection::CheckIsOpen() const | |
| 110 { | |
| 111 pimpl_->CheckIsOpen(); | |
| 112 } | |
| 113 | |
| 114 | |
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115 static void RegisterStorageSOPClass(T_ASC_Parameters* params, |
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116 unsigned int& presentationContextId, |
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117 const std::string& sopClass, |
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118 const char* asPreferred[], |
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119 std::vector<const char*>& asFallback) |
| 0 | 120 { |
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121 Check(ASC_addPresentationContext(params, presentationContextId, |
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122 sopClass.c_str(), asPreferred, 1)); |
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123 presentationContextId += 2; |
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124 |
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125 if (asFallback.size() > 0) |
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126 { |
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127 Check(ASC_addPresentationContext(params, presentationContextId, |
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128 sopClass.c_str(), &asFallback[0], asFallback.size())); |
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129 presentationContextId += 2; |
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130 } |
| 0 | 131 } |
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132 |
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133 |
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134 void DicomUserConnection::SetupPresentationContexts(const std::string& preferredTransferSyntax) |
| 0 | 135 { |
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136 // Flatten an array with the preferred transfer syntax |
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137 const char* asPreferred[1] = { preferredTransferSyntax.c_str() }; |
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138 |
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139 // Setup the fallback transfer syntaxes |
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140 std::set<std::string> fallbackSyntaxes; |
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141 fallbackSyntaxes.insert(UID_LittleEndianExplicitTransferSyntax); |
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142 fallbackSyntaxes.insert(UID_BigEndianExplicitTransferSyntax); |
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143 fallbackSyntaxes.insert(UID_LittleEndianImplicitTransferSyntax); |
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144 fallbackSyntaxes.erase(preferredTransferSyntax); |
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145 |
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146 // Flatten an array with the fallback transfer syntaxes |
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147 std::vector<const char*> asFallback; |
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148 asFallback.reserve(fallbackSyntaxes.size()); |
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149 for (std::set<std::string>::const_iterator |
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150 it = fallbackSyntaxes.begin(); it != fallbackSyntaxes.end(); ++it) |
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151 { |
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152 asFallback.push_back(it->c_str()); |
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153 } |
| 0 | 154 |
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155 CheckStorageSOPClassesInvariant(); |
| 0 | 156 unsigned int presentationContextId = 1; |
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157 |
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158 for (std::list<std::string>::const_iterator it = reservedStorageSOPClasses_.begin(); |
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159 it != reservedStorageSOPClasses_.end(); it++) |
| 0 | 160 { |
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161 RegisterStorageSOPClass(pimpl_->params_, presentationContextId, |
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162 *it, asPreferred, asFallback); |
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163 } |
| 0 | 164 |
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165 for (std::set<std::string>::const_iterator it = storageSOPClasses_.begin(); |
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166 it != storageSOPClasses_.end(); it++) |
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167 { |
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168 RegisterStorageSOPClass(pimpl_->params_, presentationContextId, |
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169 *it, asPreferred, asFallback); |
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170 } |
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171 |
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172 for (std::set<std::string>::const_iterator it = defaultStorageSOPClasses_.begin(); |
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173 it != defaultStorageSOPClasses_.end(); it++) |
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174 { |
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175 RegisterStorageSOPClass(pimpl_->params_, presentationContextId, |
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176 *it, asPreferred, asFallback); |
| 0 | 177 } |
| 178 } | |
| 179 | |
| 180 | |
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181 static bool IsGenericTransferSyntax(const std::string& syntax) |
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182 { |
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183 return (syntax == UID_LittleEndianExplicitTransferSyntax || |
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184 syntax == UID_BigEndianExplicitTransferSyntax || |
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185 syntax == UID_LittleEndianImplicitTransferSyntax); |
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186 } |
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187 |
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188 |
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189 void DicomUserConnection::PImpl::Store(DcmInputStream& is, DicomUserConnection& connection) |
| 0 | 190 { |
| 191 CheckIsOpen(); | |
| 192 | |
| 193 DcmFileFormat dcmff; | |
| 194 Check(dcmff.read(is, EXS_Unknown, EGL_noChange, DCM_MaxReadLength)); | |
| 195 | |
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196 // Determine the storage SOP class UID for this instance |
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197 static const DcmTagKey DCM_SOP_CLASS_UID(0x0008, 0x0016); |
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198 OFString sopClassUid; |
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199 if (dcmff.getDataset()->findAndGetOFString(DCM_SOP_CLASS_UID, sopClassUid).good()) |
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200 { |
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201 connection.AddStorageSOPClass(sopClassUid.c_str()); |
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202 } |
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203 |
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204 // Determine whether a new presentation context must be |
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205 // negotiated, depending on the transfer syntax of this instance |
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206 DcmXfer xfer(dcmff.getDataset()->getOriginalXfer()); |
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207 const std::string syntax(xfer.getXferID()); |
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208 bool isGeneric = IsGenericTransferSyntax(syntax); |
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209 |
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210 if (isGeneric ^ IsGenericTransferSyntax(connection.GetPreferredTransferSyntax())) |
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211 { |
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212 // Making a generic-to-specific or specific-to-generic change of |
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213 // the transfer syntax. Renegotiate the connection. |
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214 LOG(INFO) << "Change in the transfer syntax: the C-Store associated must be renegotiated"; |
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215 |
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216 if (isGeneric) |
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217 { |
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218 connection.ResetPreferredTransferSyntax(); |
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219 } |
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220 else |
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221 { |
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222 connection.SetPreferredTransferSyntax(syntax); |
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223 } |
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224 } |
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225 |
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226 if (!connection.IsOpen()) |
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227 { |
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228 LOG(INFO) << "Renegotiating a C-Store association due to a change in the parameters"; |
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229 connection.Open(); |
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230 } |
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231 |
| 0 | 232 // Figure out which SOP class and SOP instance is encapsulated in the file |
| 233 DIC_UI sopClass; | |
| 234 DIC_UI sopInstance; | |
| 235 if (!DU_findSOPClassAndInstanceInDataSet(dcmff.getDataset(), sopClass, sopInstance)) | |
| 236 { | |
| 62 | 237 throw OrthancException("DicomUserConnection: Unable to find the SOP class and instance"); |
| 0 | 238 } |
| 239 | |
| 240 // Figure out which of the accepted presentation contexts should be used | |
| 241 int presID = ASC_findAcceptedPresentationContextID(assoc_, sopClass); | |
| 242 if (presID == 0) | |
| 243 { | |
| 244 const char *modalityName = dcmSOPClassUIDToModality(sopClass); | |
| 245 if (!modalityName) modalityName = dcmFindNameOfUID(sopClass); | |
| 246 if (!modalityName) modalityName = "unknown SOP class"; | |
| 62 | 247 throw OrthancException("DicomUserConnection: No presentation context for modality " + |
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248 std::string(modalityName)); |
| 0 | 249 } |
| 250 | |
| 251 // Prepare the transmission of data | |
| 252 T_DIMSE_C_StoreRQ req; | |
| 253 memset(&req, 0, sizeof(req)); | |
| 254 req.MessageID = assoc_->nextMsgID++; | |
| 255 strcpy(req.AffectedSOPClassUID, sopClass); | |
| 256 strcpy(req.AffectedSOPInstanceUID, sopInstance); | |
| 257 req.DataSetType = DIMSE_DATASET_PRESENT; | |
| 258 req.Priority = DIMSE_PRIORITY_MEDIUM; | |
| 259 | |
| 260 // Finally conduct transmission of data | |
| 261 T_DIMSE_C_StoreRSP rsp; | |
| 262 DcmDataset* statusDetail = NULL; | |
| 263 Check(DIMSE_storeUser(assoc_, presID, &req, | |
| 264 NULL, dcmff.getDataset(), /*progressCallback*/ NULL, NULL, | |
| 265 /*opt_blockMode*/ DIMSE_BLOCKING, /*opt_dimse_timeout*/ 0, | |
| 266 &rsp, &statusDetail, NULL)); | |
| 267 | |
| 268 if (statusDetail != NULL) | |
| 269 { | |
| 270 delete statusDetail; | |
| 271 } | |
| 272 } | |
| 273 | |
| 274 | |
| 275 static void FindCallback( | |
| 276 /* in */ | |
| 277 void *callbackData, | |
| 278 T_DIMSE_C_FindRQ *request, /* original find request */ | |
| 279 int responseCount, | |
| 280 T_DIMSE_C_FindRSP *response, /* pending response received */ | |
| 281 DcmDataset *responseIdentifiers /* pending response identifiers */ | |
| 282 ) | |
| 283 { | |
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284 DicomFindAnswers& answers = *reinterpret_cast<DicomFindAnswers*>(callbackData); |
| 0 | 285 |
| 286 if (responseIdentifiers != NULL) | |
| 287 { | |
| 288 DicomMap m; | |
| 289 FromDcmtkBridge::Convert(m, *responseIdentifiers); | |
| 290 answers.Add(m); | |
| 291 } | |
| 292 } | |
| 293 | |
| 294 void DicomUserConnection::Find(DicomFindAnswers& result, | |
| 295 FindRootModel model, | |
| 296 const DicomMap& fields) | |
| 297 { | |
| 298 CheckIsOpen(); | |
| 299 | |
| 300 const char* sopClass; | |
| 301 std::auto_ptr<DcmDataset> dataset(ToDcmtkBridge::Convert(fields)); | |
| 302 switch (model) | |
| 303 { | |
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304 case FindRootModel_Patient: |
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305 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "PATIENT"); |
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306 sopClass = UID_FINDPatientRootQueryRetrieveInformationModel; |
| 0 | 307 |
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308 // Accession number |
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309 if (!fields.HasTag(0x0008, 0x0050)) |
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310 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0050), ""); |
| 0 | 311 |
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312 // Patient ID |
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313 if (!fields.HasTag(0x0010, 0x0020)) |
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314 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0010, 0x0020), ""); |
| 0 | 315 |
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316 break; |
| 0 | 317 |
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318 case FindRootModel_Study: |
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319 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "STUDY"); |
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320 sopClass = UID_FINDStudyRootQueryRetrieveInformationModel; |
| 0 | 321 |
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322 // Accession number |
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323 if (!fields.HasTag(0x0008, 0x0050)) |
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324 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0050), ""); |
| 0 | 325 |
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326 // Study instance UID |
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327 if (!fields.HasTag(0x0020, 0x000d)) |
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328 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000d), ""); |
| 0 | 329 |
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330 break; |
| 0 | 331 |
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332 case FindRootModel_Series: |
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333 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "SERIES"); |
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334 sopClass = UID_FINDStudyRootQueryRetrieveInformationModel; |
| 0 | 335 |
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336 // Accession number |
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337 if (!fields.HasTag(0x0008, 0x0050)) |
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338 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0050), ""); |
| 0 | 339 |
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340 // Study instance UID |
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341 if (!fields.HasTag(0x0020, 0x000d)) |
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342 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000d), ""); |
| 0 | 343 |
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344 // Series instance UID |
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345 if (!fields.HasTag(0x0020, 0x000e)) |
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346 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000e), ""); |
| 0 | 347 |
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348 break; |
| 0 | 349 |
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350 case FindRootModel_Instance: |
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351 if (manufacturer_ == ModalityManufacturer_ClearCanvas || |
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352 manufacturer_ == ModalityManufacturer_Dcm4Chee) |
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353 { |
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354 // This is a particular case for ClearCanvas, thanks to Peter Somlo <peter.somlo@gmail.com>. |
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355 // https://groups.google.com/d/msg/orthanc-users/j-6C3MAVwiw/iolB9hclom8J |
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356 // http://www.clearcanvas.ca/Home/Community/OldForums/tabid/526/aff/11/aft/14670/afv/topic/Default.aspx |
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357 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "IMAGE"); |
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358 } |
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359 else |
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360 { |
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361 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0052), "INSTANCE"); |
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362 } |
|
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363 |
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364 sopClass = UID_FINDStudyRootQueryRetrieveInformationModel; |
| 0 | 365 |
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366 // Accession number |
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367 if (!fields.HasTag(0x0008, 0x0050)) |
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368 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0050), ""); |
| 0 | 369 |
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370 // Study instance UID |
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371 if (!fields.HasTag(0x0020, 0x000d)) |
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372 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000d), ""); |
| 0 | 373 |
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374 // Series instance UID |
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375 if (!fields.HasTag(0x0020, 0x000e)) |
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376 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0020, 0x000e), ""); |
| 0 | 377 |
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378 // SOP Instance UID |
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379 if (!fields.HasTag(0x0008, 0x0018)) |
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380 DU_putStringDOElement(dataset.get(), DcmTagKey(0x0008, 0x0018), ""); |
| 0 | 381 |
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382 break; |
| 0 | 383 |
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384 default: |
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385 throw OrthancException(ErrorCode_ParameterOutOfRange); |
| 0 | 386 } |
| 387 | |
| 388 // Figure out which of the accepted presentation contexts should be used | |
| 389 int presID = ASC_findAcceptedPresentationContextID(pimpl_->assoc_, sopClass); | |
| 390 if (presID == 0) | |
| 391 { | |
| 62 | 392 throw OrthancException("DicomUserConnection: The C-FIND command is not supported by the distant AET"); |
| 0 | 393 } |
| 394 | |
| 395 T_DIMSE_C_FindRQ request; | |
| 396 memset(&request, 0, sizeof(request)); | |
| 397 request.MessageID = pimpl_->assoc_->nextMsgID++; | |
| 398 strcpy(request.AffectedSOPClassUID, sopClass); | |
| 399 request.DataSetType = DIMSE_DATASET_PRESENT; | |
| 400 request.Priority = DIMSE_PRIORITY_MEDIUM; | |
| 401 | |
| 402 T_DIMSE_C_FindRSP response; | |
| 403 DcmDataset* statusDetail = NULL; | |
| 404 OFCondition cond = DIMSE_findUser(pimpl_->assoc_, presID, &request, dataset.get(), | |
| 405 FindCallback, &result, | |
| 406 /*opt_blockMode*/ DIMSE_BLOCKING, /*opt_dimse_timeout*/ 0, | |
| 407 &response, &statusDetail); | |
| 408 | |
| 409 if (statusDetail) | |
| 410 { | |
| 411 delete statusDetail; | |
| 412 } | |
| 413 | |
| 414 Check(cond); | |
| 415 } | |
| 416 | |
| 417 | |
| 418 void DicomUserConnection::FindPatient(DicomFindAnswers& result, | |
| 419 const DicomMap& fields) | |
| 420 { | |
| 421 // Only keep the filters from "fields" that are related to the patient | |
| 422 DicomMap s; | |
| 423 fields.ExtractPatientInformation(s); | |
| 424 Find(result, FindRootModel_Patient, s); | |
| 425 } | |
| 426 | |
| 427 void DicomUserConnection::FindStudy(DicomFindAnswers& result, | |
| 428 const DicomMap& fields) | |
| 429 { | |
| 430 // Only keep the filters from "fields" that are related to the study | |
| 431 DicomMap s; | |
| 432 fields.ExtractStudyInformation(s); | |
| 433 | |
| 80 | 434 s.CopyTagIfExists(fields, DICOM_TAG_PATIENT_ID); |
| 435 s.CopyTagIfExists(fields, DICOM_TAG_ACCESSION_NUMBER); | |
| 725 | 436 s.CopyTagIfExists(fields, DICOM_TAG_MODALITIES_IN_STUDY); |
| 0 | 437 |
| 438 Find(result, FindRootModel_Study, s); | |
| 439 } | |
| 440 | |
| 441 void DicomUserConnection::FindSeries(DicomFindAnswers& result, | |
| 442 const DicomMap& fields) | |
| 443 { | |
| 444 // Only keep the filters from "fields" that are related to the series | |
| 445 DicomMap s; | |
| 446 fields.ExtractSeriesInformation(s); | |
| 447 | |
| 80 | 448 s.CopyTagIfExists(fields, DICOM_TAG_PATIENT_ID); |
| 449 s.CopyTagIfExists(fields, DICOM_TAG_ACCESSION_NUMBER); | |
| 450 s.CopyTagIfExists(fields, DICOM_TAG_STUDY_INSTANCE_UID); | |
| 0 | 451 |
| 452 Find(result, FindRootModel_Series, s); | |
| 453 } | |
| 454 | |
| 455 void DicomUserConnection::FindInstance(DicomFindAnswers& result, | |
| 456 const DicomMap& fields) | |
| 457 { | |
| 458 // Only keep the filters from "fields" that are related to the instance | |
| 459 DicomMap s; | |
| 460 fields.ExtractInstanceInformation(s); | |
| 461 | |
| 80 | 462 s.CopyTagIfExists(fields, DICOM_TAG_PATIENT_ID); |
| 463 s.CopyTagIfExists(fields, DICOM_TAG_ACCESSION_NUMBER); | |
| 464 s.CopyTagIfExists(fields, DICOM_TAG_STUDY_INSTANCE_UID); | |
| 465 s.CopyTagIfExists(fields, DICOM_TAG_SERIES_INSTANCE_UID); | |
| 0 | 466 |
| 467 Find(result, FindRootModel_Instance, s); | |
| 468 } | |
| 469 | |
| 470 | |
| 471 void DicomUserConnection::Move(const std::string& targetAet, | |
| 472 const DicomMap& fields) | |
| 473 { | |
| 474 CheckIsOpen(); | |
| 475 | |
| 476 const char* sopClass = UID_MOVEStudyRootQueryRetrieveInformationModel; | |
| 477 std::auto_ptr<DcmDataset> dataset(ToDcmtkBridge::Convert(fields)); | |
| 478 | |
| 479 // Figure out which of the accepted presentation contexts should be used | |
| 480 int presID = ASC_findAcceptedPresentationContextID(pimpl_->assoc_, sopClass); | |
| 481 if (presID == 0) | |
| 482 { | |
| 62 | 483 throw OrthancException("DicomUserConnection: The C-MOVE command is not supported by the distant AET"); |
| 0 | 484 } |
| 485 | |
| 486 T_DIMSE_C_MoveRQ request; | |
| 487 memset(&request, 0, sizeof(request)); | |
| 488 request.MessageID = pimpl_->assoc_->nextMsgID++; | |
| 489 strcpy(request.AffectedSOPClassUID, sopClass); | |
| 490 request.DataSetType = DIMSE_DATASET_PRESENT; | |
| 491 request.Priority = DIMSE_PRIORITY_MEDIUM; | |
| 492 strncpy(request.MoveDestination, targetAet.c_str(), sizeof(DIC_AE) / sizeof(char)); | |
| 493 | |
| 494 T_DIMSE_C_MoveRSP response; | |
| 495 DcmDataset* statusDetail = NULL; | |
| 496 DcmDataset* responseIdentifiers = NULL; | |
| 497 OFCondition cond = DIMSE_moveUser(pimpl_->assoc_, presID, &request, dataset.get(), | |
| 498 NULL, NULL, | |
| 499 /*opt_blockMode*/ DIMSE_BLOCKING, /*opt_dimse_timeout*/ 0, | |
| 500 pimpl_->net_, NULL, NULL, | |
| 501 &response, &statusDetail, &responseIdentifiers); | |
| 502 | |
| 503 if (statusDetail) | |
| 504 { | |
| 505 delete statusDetail; | |
| 506 } | |
| 507 | |
| 508 if (responseIdentifiers) | |
| 509 { | |
| 510 delete responseIdentifiers; | |
| 511 } | |
| 512 | |
| 513 Check(cond); | |
| 514 } | |
| 515 | |
| 516 | |
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517 void DicomUserConnection::ResetStorageSOPClasses() |
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518 { |
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519 CheckStorageSOPClassesInvariant(); |
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520 |
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521 storageSOPClasses_.clear(); |
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522 defaultStorageSOPClasses_.clear(); |
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523 |
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524 // Copy the short list of storage SOP classes from DCMTK, making |
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525 // room for the 4 SOP classes reserved for C-ECHO, C-FIND, C-MOVE. |
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526 |
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527 std::set<std::string> uncommon; |
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528 uncommon.insert(UID_BlendingSoftcopyPresentationStateStorage); |
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529 uncommon.insert(UID_GrayscaleSoftcopyPresentationStateStorage); |
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530 uncommon.insert(UID_ColorSoftcopyPresentationStateStorage); |
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531 uncommon.insert(UID_PseudoColorSoftcopyPresentationStateStorage); |
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532 |
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533 // Add the storage syntaxes for C-STORE |
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534 for (int i = 0; i < numberOfDcmShortSCUStorageSOPClassUIDs - 1; i++) |
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535 { |
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536 if (uncommon.find(dcmShortSCUStorageSOPClassUIDs[i]) == uncommon.end()) |
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537 { |
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538 defaultStorageSOPClasses_.insert(dcmShortSCUStorageSOPClassUIDs[i]); |
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539 } |
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540 } |
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541 |
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542 CheckStorageSOPClassesInvariant(); |
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543 } |
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544 |
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545 |
| 656 | 546 DicomUserConnection::DicomUserConnection() : |
| 547 pimpl_(new PImpl), | |
|
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548 preferredTransferSyntax_(DEFAULT_PREFERRED_TRANSFER_SYNTAX), |
| 656 | 549 localAet_("STORESCU"), |
| 550 distantAet_("ANY-SCP"), | |
| 551 distantHost_("127.0.0.1") | |
| 0 | 552 { |
| 553 distantPort_ = 104; | |
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554 manufacturer_ = ModalityManufacturer_Generic; |
| 0 | 555 |
| 556 pimpl_->net_ = NULL; | |
| 557 pimpl_->params_ = NULL; | |
| 558 pimpl_->assoc_ = NULL; | |
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559 |
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560 // SOP classes for C-ECHO, C-FIND and C-MOVE |
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561 reservedStorageSOPClasses_.push_back(UID_VerificationSOPClass); |
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562 reservedStorageSOPClasses_.push_back(UID_FINDPatientRootQueryRetrieveInformationModel); |
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563 reservedStorageSOPClasses_.push_back(UID_FINDStudyRootQueryRetrieveInformationModel); |
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564 reservedStorageSOPClasses_.push_back(UID_MOVEStudyRootQueryRetrieveInformationModel); |
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565 |
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566 ResetStorageSOPClasses(); |
| 0 | 567 } |
| 568 | |
| 569 DicomUserConnection::~DicomUserConnection() | |
| 570 { | |
| 571 Close(); | |
| 572 } | |
| 573 | |
| 574 void DicomUserConnection::SetLocalApplicationEntityTitle(const std::string& aet) | |
| 575 { | |
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576 if (localAet_ != aet) |
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577 { |
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578 Close(); |
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579 localAet_ = aet; |
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580 } |
| 0 | 581 } |
| 582 | |
| 583 void DicomUserConnection::SetDistantApplicationEntityTitle(const std::string& aet) | |
| 584 { | |
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585 if (distantAet_ != aet) |
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586 { |
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587 Close(); |
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588 distantAet_ = aet; |
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589 } |
| 0 | 590 } |
| 591 | |
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592 void DicomUserConnection::SetDistantManufacturer(ModalityManufacturer manufacturer) |
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593 { |
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594 if (manufacturer_ != manufacturer) |
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595 { |
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596 Close(); |
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597 manufacturer_ = manufacturer; |
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598 } |
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599 } |
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600 |
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601 void DicomUserConnection::ResetPreferredTransferSyntax() |
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602 { |
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603 SetPreferredTransferSyntax(DEFAULT_PREFERRED_TRANSFER_SYNTAX); |
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604 } |
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605 |
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606 void DicomUserConnection::SetPreferredTransferSyntax(const std::string& preferredTransferSyntax) |
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607 { |
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608 if (preferredTransferSyntax_ != preferredTransferSyntax) |
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609 { |
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610 Close(); |
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611 preferredTransferSyntax_ = preferredTransferSyntax; |
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612 } |
|
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613 } |
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614 |
| 0 | 615 |
| 616 void DicomUserConnection::SetDistantHost(const std::string& host) | |
| 617 { | |
|
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618 if (distantHost_ != host) |
| 0 | 619 { |
|
662
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620 if (host.size() > HOST_NAME_MAX - 10) |
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621 { |
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622 throw OrthancException("Distant host name is too long"); |
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623 } |
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624 |
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625 Close(); |
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626 distantHost_ = host; |
| 0 | 627 } |
| 628 } | |
| 629 | |
| 630 void DicomUserConnection::SetDistantPort(uint16_t port) | |
| 631 { | |
|
662
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632 if (distantPort_ != port) |
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633 { |
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634 Close(); |
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635 distantPort_ = port; |
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636 } |
| 0 | 637 } |
| 638 | |
| 639 void DicomUserConnection::Open() | |
| 640 { | |
|
662
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641 if (IsOpen()) |
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642 { |
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643 // Don't reopen the connection |
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644 return; |
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645 } |
| 0 | 646 |
| 647 Check(ASC_initializeNetwork(NET_REQUESTOR, 0, /*opt_acse_timeout*/ 30, &pimpl_->net_)); | |
| 648 Check(ASC_createAssociationParameters(&pimpl_->params_, /*opt_maxReceivePDULength*/ ASC_DEFAULTMAXPDU)); | |
| 649 | |
| 650 // Set this application's title and the called application's title in the params | |
| 651 Check(ASC_setAPTitles(pimpl_->params_, localAet_.c_str(), distantAet_.c_str(), NULL)); | |
| 652 | |
| 653 // Set the network addresses of the local and distant entities | |
| 654 char localHost[HOST_NAME_MAX]; | |
| 655 gethostname(localHost, HOST_NAME_MAX - 1); | |
| 656 | |
| 657 char distantHostAndPort[HOST_NAME_MAX]; | |
| 2 | 658 |
| 659 #ifdef _MSC_VER | |
|
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660 _snprintf |
| 2 | 661 #else |
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662 snprintf |
| 2 | 663 #endif |
|
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664 (distantHostAndPort, HOST_NAME_MAX - 1, "%s:%d", distantHost_.c_str(), distantPort_); |
| 0 | 665 |
| 666 Check(ASC_setPresentationAddresses(pimpl_->params_, localHost, distantHostAndPort)); | |
| 667 | |
| 668 // Set various options | |
| 669 Check(ASC_setTransportLayerType(pimpl_->params_, /*opt_secureConnection*/ false)); | |
| 670 | |
|
662
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671 SetupPresentationContexts(preferredTransferSyntax_); |
| 0 | 672 |
| 673 // Do the association | |
| 674 Check(ASC_requestAssociation(pimpl_->net_, pimpl_->params_, &pimpl_->assoc_)); | |
| 675 | |
| 676 if (ASC_countAcceptedPresentationContexts(pimpl_->params_) == 0) | |
| 677 { | |
| 62 | 678 throw OrthancException("DicomUserConnection: No Acceptable Presentation Contexts"); |
| 0 | 679 } |
| 680 } | |
| 681 | |
| 682 void DicomUserConnection::Close() | |
| 683 { | |
| 684 if (pimpl_->assoc_ != NULL) | |
| 685 { | |
| 686 ASC_releaseAssociation(pimpl_->assoc_); | |
| 687 ASC_destroyAssociation(&pimpl_->assoc_); | |
| 688 pimpl_->assoc_ = NULL; | |
| 689 pimpl_->params_ = NULL; | |
| 690 } | |
| 691 else | |
| 692 { | |
| 693 if (pimpl_->params_ != NULL) | |
| 694 { | |
| 695 ASC_destroyAssociationParameters(&pimpl_->params_); | |
| 696 pimpl_->params_ = NULL; | |
| 697 } | |
| 698 } | |
| 699 | |
| 700 if (pimpl_->net_ != NULL) | |
| 701 { | |
| 702 ASC_dropNetwork(&pimpl_->net_); | |
| 703 pimpl_->net_ = NULL; | |
| 704 } | |
| 705 } | |
| 706 | |
| 707 bool DicomUserConnection::IsOpen() const | |
| 708 { | |
| 709 return pimpl_->IsOpen(); | |
| 710 } | |
| 711 | |
| 712 void DicomUserConnection::Store(const char* buffer, size_t size) | |
| 713 { | |
| 714 // Prepare an input stream for the memory buffer | |
| 715 DcmInputBufferStream is; | |
| 716 if (size > 0) | |
| 717 is.setBuffer(buffer, size); | |
| 718 is.setEos(); | |
| 719 | |
|
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720 pimpl_->Store(is, *this); |
| 0 | 721 } |
| 722 | |
| 723 void DicomUserConnection::Store(const std::string& buffer) | |
| 724 { | |
| 725 if (buffer.size() > 0) | |
| 726 Store(reinterpret_cast<const char*>(&buffer[0]), buffer.size()); | |
| 727 else | |
| 728 Store(NULL, 0); | |
| 729 } | |
| 730 | |
| 731 void DicomUserConnection::StoreFile(const std::string& path) | |
| 732 { | |
| 733 // Prepare an input stream for the file | |
| 734 DcmInputFileStream is(path.c_str()); | |
|
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735 pimpl_->Store(is, *this); |
| 0 | 736 } |
| 737 | |
| 738 bool DicomUserConnection::Echo() | |
| 739 { | |
| 740 CheckIsOpen(); | |
| 741 DIC_US status; | |
| 742 Check(DIMSE_echoUser(pimpl_->assoc_, pimpl_->assoc_->nextMsgID++, | |
| 743 /*opt_blockMode*/ DIMSE_BLOCKING, /*opt_dimse_timeout*/ 0, | |
| 744 &status, NULL)); | |
| 745 return status == STATUS_Success; | |
| 746 } | |
| 747 | |
| 748 | |
| 749 void DicomUserConnection::MoveSeries(const std::string& targetAet, | |
| 750 const DicomMap& findResult) | |
| 751 { | |
| 752 DicomMap simplified; | |
| 80 | 753 simplified.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, findResult.GetValue(DICOM_TAG_STUDY_INSTANCE_UID)); |
| 754 simplified.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, findResult.GetValue(DICOM_TAG_SERIES_INSTANCE_UID)); | |
| 0 | 755 Move(targetAet, simplified); |
| 756 } | |
| 757 | |
| 758 void DicomUserConnection::MoveSeries(const std::string& targetAet, | |
| 759 const std::string& studyUid, | |
| 760 const std::string& seriesUid) | |
| 761 { | |
| 762 DicomMap map; | |
| 80 | 763 map.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, studyUid); |
| 764 map.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, seriesUid); | |
| 0 | 765 Move(targetAet, map); |
| 766 } | |
| 767 | |
| 768 void DicomUserConnection::MoveInstance(const std::string& targetAet, | |
| 769 const DicomMap& findResult) | |
| 770 { | |
| 771 DicomMap simplified; | |
| 80 | 772 simplified.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, findResult.GetValue(DICOM_TAG_STUDY_INSTANCE_UID)); |
| 773 simplified.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, findResult.GetValue(DICOM_TAG_SERIES_INSTANCE_UID)); | |
| 774 simplified.SetValue(DICOM_TAG_SOP_INSTANCE_UID, findResult.GetValue(DICOM_TAG_SOP_INSTANCE_UID)); | |
| 0 | 775 Move(targetAet, simplified); |
| 776 } | |
| 777 | |
| 778 void DicomUserConnection::MoveInstance(const std::string& targetAet, | |
| 779 const std::string& studyUid, | |
| 780 const std::string& seriesUid, | |
| 781 const std::string& instanceUid) | |
| 782 { | |
| 783 DicomMap map; | |
| 80 | 784 map.SetValue(DICOM_TAG_STUDY_INSTANCE_UID, studyUid); |
| 785 map.SetValue(DICOM_TAG_SERIES_INSTANCE_UID, seriesUid); | |
| 786 map.SetValue(DICOM_TAG_SOP_INSTANCE_UID, instanceUid); | |
| 0 | 787 Move(targetAet, map); |
| 788 } | |
| 789 | |
| 790 void DicomUserConnection::SetConnectionTimeout(uint32_t seconds) | |
| 791 { | |
| 792 dcmConnectionTimeout.set(seconds); | |
| 793 } | |
| 794 | |
|
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795 |
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796 void DicomUserConnection::CheckStorageSOPClassesInvariant() const |
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797 { |
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798 assert(storageSOPClasses_.size() + |
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799 defaultStorageSOPClasses_.size() + |
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800 reservedStorageSOPClasses_.size() <= MAXIMUM_STORAGE_SOP_CLASSES); |
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801 } |
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802 |
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803 void DicomUserConnection::AddStorageSOPClass(const char* sop) |
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804 { |
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805 CheckStorageSOPClassesInvariant(); |
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806 |
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807 if (storageSOPClasses_.find(sop) != storageSOPClasses_.end()) |
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808 { |
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809 // This storage SOP class is already explicitly registered. Do |
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810 // nothing. |
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811 return; |
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812 } |
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813 |
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814 if (defaultStorageSOPClasses_.find(sop) != defaultStorageSOPClasses_.end()) |
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815 { |
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816 // This storage SOP class is not explicitly registered, but is |
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817 // used by default. Just register it explicitly. |
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818 defaultStorageSOPClasses_.erase(sop); |
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819 storageSOPClasses_.insert(sop); |
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820 |
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821 CheckStorageSOPClassesInvariant(); |
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822 return; |
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823 } |
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824 |
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825 // This storage SOP class is neither explicitly, nor implicitly |
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826 // registered. Close the connection and register it explicitly. |
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827 |
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828 Close(); |
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829 |
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830 if (reservedStorageSOPClasses_.size() + |
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831 storageSOPClasses_.size() >= MAXIMUM_STORAGE_SOP_CLASSES) // (*) |
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832 { |
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833 // The maximum number of SOP classes is reached |
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834 ResetStorageSOPClasses(); |
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835 defaultStorageSOPClasses_.erase(sop); |
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836 } |
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837 else if (reservedStorageSOPClasses_.size() + storageSOPClasses_.size() + |
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838 defaultStorageSOPClasses_.size() >= MAXIMUM_STORAGE_SOP_CLASSES) |
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839 { |
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840 // Make room in the default storage syntaxes |
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841 assert(defaultStorageSOPClasses_.size() > 0); // Necessarily true because condition (*) is false |
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842 defaultStorageSOPClasses_.erase(*defaultStorageSOPClasses_.rbegin()); |
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843 } |
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844 |
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845 // Explicitly register the new storage syntax |
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846 storageSOPClasses_.insert(sop); |
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847 |
|
b5e6d2823115
dynamic negotiation of storage sop classes
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
732
diff
changeset
|
848 CheckStorageSOPClassesInvariant(); |
|
b5e6d2823115
dynamic negotiation of storage sop classes
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
732
diff
changeset
|
849 } |
|
b5e6d2823115
dynamic negotiation of storage sop classes
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
732
diff
changeset
|
850 |
| 0 | 851 } |