Mercurial > hg > orthanc
annotate OrthancServer/DicomProtocol/DicomServer.cpp @ 925:a4362c5263e2 mac
note
| author | jodogne |
|---|---|
| date | Wed, 26 Feb 2014 15:12:50 +0100 |
| parents | 2e67366aab83 |
| children | 401a9633e492 |
| 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 "DicomServer.h" | |
| 34 | |
| 62 | 35 #include "../../Core/OrthancException.h" |
| 0 | 36 #include "../../Core/Toolbox.h" |
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37 #include "../../Core/Uuid.h" |
| 0 | 38 #include "../Internals/CommandDispatcher.h" |
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39 #include "../OrthancInitialization.h" |
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40 #include "EmbeddedResources.h" |
| 0 | 41 |
| 42 #include <boost/thread.hpp> | |
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43 #include <boost/filesystem.hpp> |
| 0 | 44 #include <dcmtk/dcmdata/dcdict.h> |
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45 #include <glog/logging.h> |
| 0 | 46 |
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47 #if defined(__linux) |
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48 #include <cstdlib> |
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49 #endif |
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50 |
| 0 | 51 |
| 62 | 52 namespace Orthanc |
| 0 | 53 { |
| 54 struct DicomServer::PImpl | |
| 55 { | |
| 56 boost::thread thread_; | |
| 57 | |
| 58 //std::set< | |
| 59 }; | |
| 60 | |
| 61 | |
| 660 | 62 #if DCMTK_USE_EMBEDDED_DICTIONARIES == 1 |
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63 static void LoadEmbeddedDictionary(DcmDataDictionary& dictionary, |
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64 EmbeddedResources::FileResourceId resource) |
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65 { |
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66 Toolbox::TemporaryFile tmp; |
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67 |
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68 FILE* fp = fopen(tmp.GetPath().c_str(), "wb"); |
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69 fwrite(EmbeddedResources::GetFileResourceBuffer(resource), |
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70 EmbeddedResources::GetFileResourceSize(resource), 1, fp); |
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71 fclose(fp); |
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72 |
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73 if (!dictionary.loadDictionary(tmp.GetPath().c_str())) |
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74 { |
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75 throw OrthancException(ErrorCode_InternalError); |
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76 } |
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77 } |
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78 |
| 660 | 79 #else |
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80 static void LoadExternalDictionary(DcmDataDictionary& dictionary, |
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81 const std::string& directory, |
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82 const std::string& filename) |
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83 { |
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84 boost::filesystem::path p = directory; |
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85 p = p / filename; |
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86 |
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87 LOG(WARNING) << "Loading the external DICOM dictionary " << p; |
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88 |
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89 if (!dictionary.loadDictionary(p.string().c_str())) |
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90 { |
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91 throw OrthancException(ErrorCode_InternalError); |
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92 } |
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93 } |
| 660 | 94 |
| 95 #endif | |
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96 |
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97 |
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98 void DicomServer::InitializeDictionary() |
| 0 | 99 { |
| 100 /* Disable "gethostbyaddr" (which results in memory leaks) and use raw IP addresses */ | |
| 101 dcmDisableGethostbyaddr.set(OFTrue); | |
| 102 | |
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103 dcmDataDict.clear(); |
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104 DcmDataDictionary& d = dcmDataDict.wrlock(); |
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105 |
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106 #if DCMTK_USE_EMBEDDED_DICTIONARIES == 1 |
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107 LOG(WARNING) << "Loading the embedded dictionaries"; |
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108 /** |
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109 * Do not load DICONDE dictionary, it breaks the other tags. The |
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110 * command "strace storescu 2>&1 |grep dic" shows that DICONDE |
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111 * dictionary is not loaded by storescu. |
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112 **/ |
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113 //LoadEmbeddedDictionary(d, EmbeddedResources::DICTIONARY_DICONDE); |
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114 |
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115 LoadEmbeddedDictionary(d, EmbeddedResources::DICTIONARY_DICOM); |
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116 LoadEmbeddedDictionary(d, EmbeddedResources::DICTIONARY_PRIVATE); |
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117 |
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118 #elif defined(__linux) |
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119 std::string path = DCMTK_DICTIONARY_DIR; |
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120 |
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121 const char* env = std::getenv(DCM_DICT_ENVIRONMENT_VARIABLE); |
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122 if (env != NULL) |
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123 { |
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124 path = std::string(env); |
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125 } |
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126 |
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127 LoadExternalDictionary(d, path, "dicom.dic"); |
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128 LoadExternalDictionary(d, path, "private.dic"); |
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129 |
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130 #else |
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131 #error Support your platform here |
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132 #endif |
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133 |
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134 dcmDataDict.unlock(); |
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135 |
| 0 | 136 /* make sure data dictionary is loaded */ |
| 137 if (!dcmDataDict.isDictionaryLoaded()) | |
| 138 { | |
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139 LOG(ERROR) << "No DICOM dictionary loaded, check environment variable: " << DCM_DICT_ENVIRONMENT_VARIABLE; |
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140 throw OrthancException(ErrorCode_InternalError); |
| 0 | 141 } |
| 142 | |
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143 { |
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144 // Test the dictionary with a simple DICOM tag |
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145 DcmTag key(0x0010, 0x1030); // This is PatientWeight |
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146 if (key.getEVR() != EVR_DS) |
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147 { |
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148 LOG(ERROR) << "The DICOM dictionary has not been correctly read"; |
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149 throw OrthancException(ErrorCode_InternalError); |
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150 } |
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151 } |
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152 } |
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153 |
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154 |
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155 void DicomServer::ServerThread(DicomServer* server) |
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156 { |
| 0 | 157 /* initialize network, i.e. create an instance of T_ASC_Network*. */ |
| 158 T_ASC_Network *net; | |
| 159 OFCondition cond = ASC_initializeNetwork | |
| 160 (NET_ACCEPTOR, OFstatic_cast(int, server->port_), /*opt_acse_timeout*/ 30, &net); | |
| 161 if (cond.bad()) | |
| 162 { | |
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163 LOG(ERROR) << "cannot create network: " << cond.text(); |
| 62 | 164 throw OrthancException("Cannot create network"); |
| 0 | 165 } |
| 166 | |
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167 LOG(INFO) << "DICOM server started"; |
| 0 | 168 |
| 169 server->started_ = true; | |
| 170 | |
| 171 while (server->continue_) | |
| 172 { | |
| 173 /* receive an association and acknowledge or reject it. If the association was */ | |
| 174 /* acknowledged, offer corresponding services and invoke one or more if required. */ | |
| 175 std::auto_ptr<Internals::CommandDispatcher> dispatcher(Internals::AcceptAssociation(*server, net)); | |
| 176 | |
| 177 if (dispatcher.get() != NULL) | |
| 178 { | |
| 179 if (server->isThreaded_) | |
| 180 { | |
| 181 server->bagOfDispatchers_.Add(dispatcher.release()); | |
| 182 } | |
| 183 else | |
| 184 { | |
| 185 IRunnableBySteps::RunUntilDone(*dispatcher); | |
| 186 } | |
| 187 } | |
| 188 } | |
| 189 | |
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190 LOG(INFO) << "DICOM server stopping"; |
| 0 | 191 |
| 192 /* drop the network, i.e. free memory of T_ASC_Network* structure. This call */ | |
| 193 /* is the counterpart of ASC_initializeNetwork(...) which was called above. */ | |
| 194 cond = ASC_dropNetwork(&net); | |
| 195 if (cond.bad()) | |
| 196 { | |
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197 LOG(ERROR) << "Error while dropping the network: " << cond.text(); |
| 0 | 198 } |
| 199 } | |
| 200 | |
| 201 | |
| 656 | 202 DicomServer::DicomServer() : |
| 203 pimpl_(new PImpl), | |
| 204 aet_("ANY-SCP") | |
| 0 | 205 { |
| 206 port_ = 104; | |
| 207 findRequestHandlerFactory_ = NULL; | |
| 208 moveRequestHandlerFactory_ = NULL; | |
| 209 storeRequestHandlerFactory_ = NULL; | |
| 210 applicationEntityFilter_ = NULL; | |
| 211 checkCalledAet_ = true; | |
| 212 clientTimeout_ = 30; | |
| 213 isThreaded_ = true; | |
| 656 | 214 continue_ = false; |
| 215 started_ = false; | |
| 0 | 216 } |
| 217 | |
| 218 DicomServer::~DicomServer() | |
| 219 { | |
| 220 Stop(); | |
| 221 } | |
| 222 | |
| 128 | 223 void DicomServer::SetPortNumber(uint16_t port) |
| 0 | 224 { |
| 225 Stop(); | |
| 226 port_ = port; | |
| 227 } | |
| 228 | |
| 128 | 229 uint16_t DicomServer::GetPortNumber() const |
| 0 | 230 { |
| 231 return port_; | |
| 232 } | |
| 233 | |
| 234 void DicomServer::SetThreaded(bool isThreaded) | |
| 235 { | |
| 236 Stop(); | |
| 237 isThreaded_ = isThreaded; | |
| 238 } | |
| 239 | |
| 240 bool DicomServer::IsThreaded() const | |
| 241 { | |
| 242 return isThreaded_; | |
| 243 } | |
| 244 | |
| 245 void DicomServer::SetClientTimeout(uint32_t timeout) | |
| 246 { | |
| 247 Stop(); | |
| 248 clientTimeout_ = timeout; | |
| 249 } | |
| 250 | |
| 251 uint32_t DicomServer::GetClientTimeout() const | |
| 252 { | |
| 253 return clientTimeout_; | |
| 254 } | |
| 255 | |
| 256 | |
| 257 void DicomServer::SetCalledApplicationEntityTitleCheck(bool check) | |
| 258 { | |
| 259 Stop(); | |
| 260 checkCalledAet_ = check; | |
| 261 } | |
| 262 | |
| 263 bool DicomServer::HasCalledApplicationEntityTitleCheck() const | |
| 264 { | |
| 265 return checkCalledAet_; | |
| 266 } | |
| 267 | |
| 268 void DicomServer::SetApplicationEntityTitle(const std::string& aet) | |
| 269 { | |
| 270 if (aet.size() == 0) | |
| 271 { | |
| 62 | 272 throw OrthancException("Too short AET"); |
| 0 | 273 } |
| 274 | |
| 275 for (size_t i = 0; i < aet.size(); i++) | |
| 276 { | |
| 277 if (!isalnum(aet[i]) && aet[i] != '-') | |
| 278 { | |
| 62 | 279 throw OrthancException("Only alphanumeric characters are allowed in AET"); |
| 0 | 280 } |
| 281 } | |
| 282 | |
| 283 Stop(); | |
| 284 aet_ = aet; | |
| 285 } | |
| 286 | |
| 287 const std::string& DicomServer::GetApplicationEntityTitle() const | |
| 288 { | |
| 289 return aet_; | |
| 290 } | |
| 291 | |
| 292 void DicomServer::SetFindRequestHandlerFactory(IFindRequestHandlerFactory& factory) | |
| 293 { | |
| 294 Stop(); | |
| 295 findRequestHandlerFactory_ = &factory; | |
| 296 } | |
| 297 | |
| 298 bool DicomServer::HasFindRequestHandlerFactory() const | |
| 299 { | |
| 300 return (findRequestHandlerFactory_ != NULL); | |
| 301 } | |
| 302 | |
| 303 IFindRequestHandlerFactory& DicomServer::GetFindRequestHandlerFactory() const | |
| 304 { | |
| 305 if (HasFindRequestHandlerFactory()) | |
| 306 { | |
| 307 return *findRequestHandlerFactory_; | |
| 308 } | |
| 309 else | |
| 310 { | |
| 62 | 311 throw OrthancException("No C-FIND request handler factory"); |
| 0 | 312 } |
| 313 } | |
| 314 | |
| 315 void DicomServer::SetMoveRequestHandlerFactory(IMoveRequestHandlerFactory& factory) | |
| 316 { | |
| 317 Stop(); | |
| 318 moveRequestHandlerFactory_ = &factory; | |
| 319 } | |
| 320 | |
| 321 bool DicomServer::HasMoveRequestHandlerFactory() const | |
| 322 { | |
| 323 return (moveRequestHandlerFactory_ != NULL); | |
| 324 } | |
| 325 | |
| 326 IMoveRequestHandlerFactory& DicomServer::GetMoveRequestHandlerFactory() const | |
| 327 { | |
| 328 if (HasMoveRequestHandlerFactory()) | |
| 329 { | |
| 330 return *moveRequestHandlerFactory_; | |
| 331 } | |
| 332 else | |
| 333 { | |
| 62 | 334 throw OrthancException("No C-MOVE request handler factory"); |
| 0 | 335 } |
| 336 } | |
| 337 | |
| 338 void DicomServer::SetStoreRequestHandlerFactory(IStoreRequestHandlerFactory& factory) | |
| 339 { | |
| 340 Stop(); | |
| 341 storeRequestHandlerFactory_ = &factory; | |
| 342 } | |
| 343 | |
| 344 bool DicomServer::HasStoreRequestHandlerFactory() const | |
| 345 { | |
| 346 return (storeRequestHandlerFactory_ != NULL); | |
| 347 } | |
| 348 | |
| 349 IStoreRequestHandlerFactory& DicomServer::GetStoreRequestHandlerFactory() const | |
| 350 { | |
| 351 if (HasStoreRequestHandlerFactory()) | |
| 352 { | |
| 353 return *storeRequestHandlerFactory_; | |
| 354 } | |
| 355 else | |
| 356 { | |
| 62 | 357 throw OrthancException("No C-STORE request handler factory"); |
| 0 | 358 } |
| 359 } | |
| 360 | |
| 361 void DicomServer::SetApplicationEntityFilter(IApplicationEntityFilter& factory) | |
| 362 { | |
| 363 Stop(); | |
| 364 applicationEntityFilter_ = &factory; | |
| 365 } | |
| 366 | |
| 367 bool DicomServer::HasApplicationEntityFilter() const | |
| 368 { | |
| 369 return (applicationEntityFilter_ != NULL); | |
| 370 } | |
| 371 | |
| 372 IApplicationEntityFilter& DicomServer::GetApplicationEntityFilter() const | |
| 373 { | |
| 374 if (HasApplicationEntityFilter()) | |
| 375 { | |
| 376 return *applicationEntityFilter_; | |
| 377 } | |
| 378 else | |
| 379 { | |
| 62 | 380 throw OrthancException("No application entity filter"); |
| 0 | 381 } |
| 382 } | |
| 383 | |
| 384 void DicomServer::Start() | |
| 385 { | |
| 386 Stop(); | |
| 387 continue_ = true; | |
| 388 started_ = false; | |
| 389 pimpl_->thread_ = boost::thread(ServerThread, this); | |
| 390 | |
| 391 while (!started_) | |
| 392 { | |
| 393 Toolbox::USleep(50000); // Wait 50ms | |
| 394 } | |
| 395 } | |
| 396 | |
| 397 void DicomServer::Stop() | |
| 398 { | |
| 399 continue_ = false; | |
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400 |
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401 if (pimpl_->thread_.joinable()) |
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402 { |
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403 pimpl_->thread_.join(); |
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404 } |
| 0 | 405 |
| 406 bagOfDispatchers_.StopAll(); | |
| 407 } | |
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408 |
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409 bool DicomServer::IsMyAETitle(const std::string& aet) const |
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410 { |
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411 if (!HasCalledApplicationEntityTitleCheck()) |
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412 { |
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413 // OK, no check on the AET. |
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414 return true; |
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415 } |
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416 |
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417 return Orthanc::IsSameAETitle(aet, GetApplicationEntityTitle()); |
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418 } |
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419 |
| 0 | 420 } |