Mercurial > hg > orthanc
annotate OrthancServer/DicomProtocol/DicomServer.cpp @ 625:7e7f41a9f33d
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 25 Oct 2013 12:43:02 +0200 |
| parents | 012b63028085 |
| children | 08eca5d86aad |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 62 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
| 399 | 3 * Copyright (C) 2012-2013 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 "EmbeddedResources.h" |
| 0 | 40 |
| 41 #include <boost/thread.hpp> | |
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42 #include <boost/filesystem.hpp> |
| 0 | 43 #include <dcmtk/dcmdata/dcdict.h> |
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44 #include <glog/logging.h> |
| 0 | 45 |
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46 #if defined(__linux) |
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47 #include <cstdlib> |
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48 #endif |
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49 |
| 0 | 50 |
| 62 | 51 namespace Orthanc |
| 0 | 52 { |
| 53 struct DicomServer::PImpl | |
| 54 { | |
| 55 boost::thread thread_; | |
| 56 | |
| 57 //std::set< | |
| 58 }; | |
| 59 | |
| 60 | |
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61 static void LoadEmbeddedDictionary(DcmDataDictionary& dictionary, |
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62 EmbeddedResources::FileResourceId resource) |
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63 { |
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64 Toolbox::TemporaryFile tmp; |
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65 |
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66 FILE* fp = fopen(tmp.GetPath().c_str(), "wb"); |
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67 fwrite(EmbeddedResources::GetFileResourceBuffer(resource), |
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68 EmbeddedResources::GetFileResourceSize(resource), 1, fp); |
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69 fclose(fp); |
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70 |
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71 if (!dictionary.loadDictionary(tmp.GetPath().c_str())) |
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72 { |
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73 throw OrthancException(ErrorCode_InternalError); |
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74 } |
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75 } |
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76 |
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77 |
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78 static void LoadExternalDictionary(DcmDataDictionary& dictionary, |
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79 const std::string& directory, |
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80 const std::string& filename) |
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81 { |
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82 boost::filesystem::path p = directory; |
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83 p = p / filename; |
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84 |
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85 LOG(WARNING) << "Loading the external DICOM dictionary " << p; |
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86 |
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87 if (!dictionary.loadDictionary(p.string().c_str())) |
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88 { |
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89 throw OrthancException(ErrorCode_InternalError); |
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90 } |
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91 } |
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92 |
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93 |
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94 |
| 0 | 95 void DicomServer::ServerThread(DicomServer* server) |
| 96 { | |
| 97 /* Disable "gethostbyaddr" (which results in memory leaks) and use raw IP addresses */ | |
| 98 dcmDisableGethostbyaddr.set(OFTrue); | |
| 99 | |
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100 dcmDataDict.clear(); |
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101 DcmDataDictionary& d = dcmDataDict.wrlock(); |
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102 |
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103 #if DCMTK_USE_EMBEDDED_DICTIONARIES == 1 |
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104 LOG(WARNING) << "Loading the embedded dictionaries"; |
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105 /** |
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106 * Do not load DICONDE dictionary, it breaks the other tags. The |
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107 * command "strace storescu 2>&1 |grep dic" shows that DICONDE |
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108 * dictionary is not loaded by storescu. |
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109 **/ |
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110 //LoadEmbeddedDictionary(d, EmbeddedResources::DICTIONARY_DICONDE); |
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111 |
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112 LoadEmbeddedDictionary(d, EmbeddedResources::DICTIONARY_DICOM); |
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113 LoadEmbeddedDictionary(d, EmbeddedResources::DICTIONARY_PRIVATE); |
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114 |
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115 #elif defined(__linux) |
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116 std::string path = DCMTK_DICTIONARY_DIR; |
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117 |
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118 const char* env = std::getenv(DCM_DICT_ENVIRONMENT_VARIABLE); |
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119 if (env != NULL) |
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120 { |
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121 path = std::string(env); |
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122 } |
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123 |
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124 LoadExternalDictionary(d, path, "dicom.dic"); |
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125 LoadExternalDictionary(d, path, "private.dic"); |
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126 |
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127 #else |
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128 #error Support your platform here |
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129 #endif |
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130 |
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131 dcmDataDict.unlock(); |
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132 |
| 0 | 133 /* make sure data dictionary is loaded */ |
| 134 if (!dcmDataDict.isDictionaryLoaded()) | |
| 135 { | |
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136 LOG(ERROR) << "No DICOM dictionary loaded, check environment variable: " << DCM_DICT_ENVIRONMENT_VARIABLE; |
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137 throw OrthancException(ErrorCode_InternalError); |
| 0 | 138 } |
| 139 | |
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140 { |
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141 // Test the dictionary with a simple DICOM tag |
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142 DcmTag key(0x0010, 0x1030); // This is PatientWeight |
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143 if (key.getEVR() != EVR_DS) |
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144 { |
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145 LOG(ERROR) << "The DICOM dictionary has not been correctly read"; |
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146 throw OrthancException(ErrorCode_InternalError); |
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147 } |
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148 } |
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149 |
| 0 | 150 /* initialize network, i.e. create an instance of T_ASC_Network*. */ |
| 151 T_ASC_Network *net; | |
| 152 OFCondition cond = ASC_initializeNetwork | |
| 153 (NET_ACCEPTOR, OFstatic_cast(int, server->port_), /*opt_acse_timeout*/ 30, &net); | |
| 154 if (cond.bad()) | |
| 155 { | |
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156 LOG(ERROR) << "cannot create network: " << cond.text(); |
| 62 | 157 throw OrthancException("Cannot create network"); |
| 0 | 158 } |
| 159 | |
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160 LOG(INFO) << "DICOM server started"; |
| 0 | 161 |
| 162 server->started_ = true; | |
| 163 | |
| 164 while (server->continue_) | |
| 165 { | |
| 166 /* receive an association and acknowledge or reject it. If the association was */ | |
| 167 /* acknowledged, offer corresponding services and invoke one or more if required. */ | |
| 168 std::auto_ptr<Internals::CommandDispatcher> dispatcher(Internals::AcceptAssociation(*server, net)); | |
| 169 | |
| 170 if (dispatcher.get() != NULL) | |
| 171 { | |
| 172 if (server->isThreaded_) | |
| 173 { | |
| 174 server->bagOfDispatchers_.Add(dispatcher.release()); | |
| 175 } | |
| 176 else | |
| 177 { | |
| 178 IRunnableBySteps::RunUntilDone(*dispatcher); | |
| 179 } | |
| 180 } | |
| 181 } | |
| 182 | |
|
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183 LOG(INFO) << "DICOM server stopping"; |
| 0 | 184 |
| 185 /* drop the network, i.e. free memory of T_ASC_Network* structure. This call */ | |
| 186 /* is the counterpart of ASC_initializeNetwork(...) which was called above. */ | |
| 187 cond = ASC_dropNetwork(&net); | |
| 188 if (cond.bad()) | |
| 189 { | |
|
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190 LOG(ERROR) << "Error while dropping the network: " << cond.text(); |
| 0 | 191 } |
| 192 } | |
| 193 | |
| 194 | |
| 195 DicomServer::DicomServer() : pimpl_(new PImpl) | |
| 196 { | |
| 197 aet_ = "ANY-SCP"; | |
| 198 port_ = 104; | |
| 199 findRequestHandlerFactory_ = NULL; | |
| 200 moveRequestHandlerFactory_ = NULL; | |
| 201 storeRequestHandlerFactory_ = NULL; | |
| 202 applicationEntityFilter_ = NULL; | |
| 203 checkCalledAet_ = true; | |
| 204 clientTimeout_ = 30; | |
| 205 isThreaded_ = true; | |
| 206 } | |
| 207 | |
| 208 DicomServer::~DicomServer() | |
| 209 { | |
| 210 Stop(); | |
| 211 } | |
| 212 | |
| 128 | 213 void DicomServer::SetPortNumber(uint16_t port) |
| 0 | 214 { |
| 215 Stop(); | |
| 216 port_ = port; | |
| 217 } | |
| 218 | |
| 128 | 219 uint16_t DicomServer::GetPortNumber() const |
| 0 | 220 { |
| 221 return port_; | |
| 222 } | |
| 223 | |
| 224 void DicomServer::SetThreaded(bool isThreaded) | |
| 225 { | |
| 226 Stop(); | |
| 227 isThreaded_ = isThreaded; | |
| 228 } | |
| 229 | |
| 230 bool DicomServer::IsThreaded() const | |
| 231 { | |
| 232 return isThreaded_; | |
| 233 } | |
| 234 | |
| 235 void DicomServer::SetClientTimeout(uint32_t timeout) | |
| 236 { | |
| 237 Stop(); | |
| 238 clientTimeout_ = timeout; | |
| 239 } | |
| 240 | |
| 241 uint32_t DicomServer::GetClientTimeout() const | |
| 242 { | |
| 243 return clientTimeout_; | |
| 244 } | |
| 245 | |
| 246 | |
| 247 void DicomServer::SetCalledApplicationEntityTitleCheck(bool check) | |
| 248 { | |
| 249 Stop(); | |
| 250 checkCalledAet_ = check; | |
| 251 } | |
| 252 | |
| 253 bool DicomServer::HasCalledApplicationEntityTitleCheck() const | |
| 254 { | |
| 255 return checkCalledAet_; | |
| 256 } | |
| 257 | |
| 258 void DicomServer::SetApplicationEntityTitle(const std::string& aet) | |
| 259 { | |
| 260 if (aet.size() == 0) | |
| 261 { | |
| 62 | 262 throw OrthancException("Too short AET"); |
| 0 | 263 } |
| 264 | |
| 265 for (size_t i = 0; i < aet.size(); i++) | |
| 266 { | |
| 267 if (!isalnum(aet[i]) && aet[i] != '-') | |
| 268 { | |
| 62 | 269 throw OrthancException("Only alphanumeric characters are allowed in AET"); |
| 0 | 270 } |
| 271 } | |
| 272 | |
| 273 Stop(); | |
| 274 aet_ = aet; | |
| 275 } | |
| 276 | |
| 277 const std::string& DicomServer::GetApplicationEntityTitle() const | |
| 278 { | |
| 279 return aet_; | |
| 280 } | |
| 281 | |
| 282 void DicomServer::SetFindRequestHandlerFactory(IFindRequestHandlerFactory& factory) | |
| 283 { | |
| 284 Stop(); | |
| 285 findRequestHandlerFactory_ = &factory; | |
| 286 } | |
| 287 | |
| 288 bool DicomServer::HasFindRequestHandlerFactory() const | |
| 289 { | |
| 290 return (findRequestHandlerFactory_ != NULL); | |
| 291 } | |
| 292 | |
| 293 IFindRequestHandlerFactory& DicomServer::GetFindRequestHandlerFactory() const | |
| 294 { | |
| 295 if (HasFindRequestHandlerFactory()) | |
| 296 { | |
| 297 return *findRequestHandlerFactory_; | |
| 298 } | |
| 299 else | |
| 300 { | |
| 62 | 301 throw OrthancException("No C-FIND request handler factory"); |
| 0 | 302 } |
| 303 } | |
| 304 | |
| 305 void DicomServer::SetMoveRequestHandlerFactory(IMoveRequestHandlerFactory& factory) | |
| 306 { | |
| 307 Stop(); | |
| 308 moveRequestHandlerFactory_ = &factory; | |
| 309 } | |
| 310 | |
| 311 bool DicomServer::HasMoveRequestHandlerFactory() const | |
| 312 { | |
| 313 return (moveRequestHandlerFactory_ != NULL); | |
| 314 } | |
| 315 | |
| 316 IMoveRequestHandlerFactory& DicomServer::GetMoveRequestHandlerFactory() const | |
| 317 { | |
| 318 if (HasMoveRequestHandlerFactory()) | |
| 319 { | |
| 320 return *moveRequestHandlerFactory_; | |
| 321 } | |
| 322 else | |
| 323 { | |
| 62 | 324 throw OrthancException("No C-MOVE request handler factory"); |
| 0 | 325 } |
| 326 } | |
| 327 | |
| 328 void DicomServer::SetStoreRequestHandlerFactory(IStoreRequestHandlerFactory& factory) | |
| 329 { | |
| 330 Stop(); | |
| 331 storeRequestHandlerFactory_ = &factory; | |
| 332 } | |
| 333 | |
| 334 bool DicomServer::HasStoreRequestHandlerFactory() const | |
| 335 { | |
| 336 return (storeRequestHandlerFactory_ != NULL); | |
| 337 } | |
| 338 | |
| 339 IStoreRequestHandlerFactory& DicomServer::GetStoreRequestHandlerFactory() const | |
| 340 { | |
| 341 if (HasStoreRequestHandlerFactory()) | |
| 342 { | |
| 343 return *storeRequestHandlerFactory_; | |
| 344 } | |
| 345 else | |
| 346 { | |
| 62 | 347 throw OrthancException("No C-STORE request handler factory"); |
| 0 | 348 } |
| 349 } | |
| 350 | |
| 351 void DicomServer::SetApplicationEntityFilter(IApplicationEntityFilter& factory) | |
| 352 { | |
| 353 Stop(); | |
| 354 applicationEntityFilter_ = &factory; | |
| 355 } | |
| 356 | |
| 357 bool DicomServer::HasApplicationEntityFilter() const | |
| 358 { | |
| 359 return (applicationEntityFilter_ != NULL); | |
| 360 } | |
| 361 | |
| 362 IApplicationEntityFilter& DicomServer::GetApplicationEntityFilter() const | |
| 363 { | |
| 364 if (HasApplicationEntityFilter()) | |
| 365 { | |
| 366 return *applicationEntityFilter_; | |
| 367 } | |
| 368 else | |
| 369 { | |
| 62 | 370 throw OrthancException("No application entity filter"); |
| 0 | 371 } |
| 372 } | |
| 373 | |
| 374 void DicomServer::Start() | |
| 375 { | |
| 376 Stop(); | |
| 377 continue_ = true; | |
| 378 started_ = false; | |
| 379 pimpl_->thread_ = boost::thread(ServerThread, this); | |
| 380 | |
| 381 while (!started_) | |
| 382 { | |
| 383 Toolbox::USleep(50000); // Wait 50ms | |
| 384 } | |
| 385 } | |
| 386 | |
| 387 void DicomServer::Stop() | |
| 388 { | |
| 389 continue_ = false; | |
|
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390 |
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391 if (pimpl_->thread_.joinable()) |
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392 { |
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393 pimpl_->thread_.join(); |
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394 } |
| 0 | 395 |
| 396 bagOfDispatchers_.StopAll(); | |
| 397 } | |
| 398 } |