Mercurial > hg > orthanc
annotate OrthancServer/DicomProtocol/DicomServer.cpp @ 311:26efccdff583
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 21 Dec 2012 12:44:32 +0100 |
| parents | 6c4f6229aad7 |
| children | 8d3a0db39967 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 62 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
| 0 | 3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege, |
| 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> | |
| 42 #include <dcmtk/dcmdata/dcdict.h> | |
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43 #include <glog/logging.h> |
| 0 | 44 |
| 45 | |
| 62 | 46 namespace Orthanc |
| 0 | 47 { |
| 48 struct DicomServer::PImpl | |
| 49 { | |
| 50 boost::thread thread_; | |
| 51 | |
| 52 //std::set< | |
| 53 }; | |
| 54 | |
| 55 | |
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56 static void LoadEmbeddedDictionary(DcmDataDictionary& dictionary, |
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57 EmbeddedResources::FileResourceId resource) |
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58 { |
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59 Toolbox::TemporaryFile tmp; |
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60 |
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61 FILE* fp = fopen(tmp.GetPath().c_str(), "wb"); |
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62 fwrite(EmbeddedResources::GetFileResourceBuffer(resource), |
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63 EmbeddedResources::GetFileResourceSize(resource), 1, fp); |
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64 fclose(fp); |
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65 |
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66 if (!dictionary.loadDictionary(tmp.GetPath().c_str())) |
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67 { |
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68 throw OrthancException(ErrorCode_InternalError); |
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69 } |
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70 } |
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71 |
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72 |
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73 |
| 0 | 74 void DicomServer::ServerThread(DicomServer* server) |
| 75 { | |
| 76 /* Disable "gethostbyaddr" (which results in memory leaks) and use raw IP addresses */ | |
| 77 dcmDisableGethostbyaddr.set(OFTrue); | |
| 78 | |
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79 #if DCMTK_USE_EMBEDDED_DICTIONARIES == 1 |
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80 LOG(WARNING) << "Loading the embedded dictionaries"; |
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81 dcmDataDict.clear(); |
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82 DcmDataDictionary& d = dcmDataDict.wrlock(); |
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83 LoadEmbeddedDictionary(d, EmbeddedResources::DICTIONARY_DICOM); |
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84 LoadEmbeddedDictionary(d, EmbeddedResources::DICTIONARY_PRIVATE); |
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85 LoadEmbeddedDictionary(d, EmbeddedResources::DICTIONARY_DICONDE); |
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86 dcmDataDict.unlock(); |
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87 #endif |
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88 |
| 0 | 89 /* make sure data dictionary is loaded */ |
| 90 if (!dcmDataDict.isDictionaryLoaded()) | |
| 91 { | |
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92 LOG(ERROR) << "no data dictionary loaded, check environment variable: " << DCM_DICT_ENVIRONMENT_VARIABLE; |
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93 throw OrthancException(ErrorCode_InternalError); |
| 0 | 94 } |
| 95 | |
| 96 /* initialize network, i.e. create an instance of T_ASC_Network*. */ | |
| 97 T_ASC_Network *net; | |
| 98 OFCondition cond = ASC_initializeNetwork | |
| 99 (NET_ACCEPTOR, OFstatic_cast(int, server->port_), /*opt_acse_timeout*/ 30, &net); | |
| 100 if (cond.bad()) | |
| 101 { | |
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102 LOG(ERROR) << "cannot create network: " << cond.text(); |
| 62 | 103 throw OrthancException("Cannot create network"); |
| 0 | 104 } |
| 105 | |
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106 LOG(INFO) << "DICOM server started"; |
| 0 | 107 |
| 108 server->started_ = true; | |
| 109 | |
| 110 while (server->continue_) | |
| 111 { | |
| 112 /* receive an association and acknowledge or reject it. If the association was */ | |
| 113 /* acknowledged, offer corresponding services and invoke one or more if required. */ | |
| 114 std::auto_ptr<Internals::CommandDispatcher> dispatcher(Internals::AcceptAssociation(*server, net)); | |
| 115 | |
| 116 if (dispatcher.get() != NULL) | |
| 117 { | |
| 118 if (server->isThreaded_) | |
| 119 { | |
| 120 server->bagOfDispatchers_.Add(dispatcher.release()); | |
| 121 } | |
| 122 else | |
| 123 { | |
| 124 IRunnableBySteps::RunUntilDone(*dispatcher); | |
| 125 } | |
| 126 } | |
| 127 } | |
| 128 | |
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129 LOG(INFO) << "DICOM server stopping"; |
| 0 | 130 |
| 131 /* drop the network, i.e. free memory of T_ASC_Network* structure. This call */ | |
| 132 /* is the counterpart of ASC_initializeNetwork(...) which was called above. */ | |
| 133 cond = ASC_dropNetwork(&net); | |
| 134 if (cond.bad()) | |
| 135 { | |
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136 LOG(ERROR) << "Error while dropping the network: " << cond.text(); |
| 0 | 137 } |
| 138 } | |
| 139 | |
| 140 | |
| 141 DicomServer::DicomServer() : pimpl_(new PImpl) | |
| 142 { | |
| 143 aet_ = "ANY-SCP"; | |
| 144 port_ = 104; | |
| 145 findRequestHandlerFactory_ = NULL; | |
| 146 moveRequestHandlerFactory_ = NULL; | |
| 147 storeRequestHandlerFactory_ = NULL; | |
| 148 applicationEntityFilter_ = NULL; | |
| 149 checkCalledAet_ = true; | |
| 150 clientTimeout_ = 30; | |
| 151 isThreaded_ = true; | |
| 152 } | |
| 153 | |
| 154 DicomServer::~DicomServer() | |
| 155 { | |
| 156 Stop(); | |
| 157 } | |
| 158 | |
| 128 | 159 void DicomServer::SetPortNumber(uint16_t port) |
| 0 | 160 { |
| 161 Stop(); | |
| 162 port_ = port; | |
| 163 } | |
| 164 | |
| 128 | 165 uint16_t DicomServer::GetPortNumber() const |
| 0 | 166 { |
| 167 return port_; | |
| 168 } | |
| 169 | |
| 170 void DicomServer::SetThreaded(bool isThreaded) | |
| 171 { | |
| 172 Stop(); | |
| 173 isThreaded_ = isThreaded; | |
| 174 } | |
| 175 | |
| 176 bool DicomServer::IsThreaded() const | |
| 177 { | |
| 178 return isThreaded_; | |
| 179 } | |
| 180 | |
| 181 void DicomServer::SetClientTimeout(uint32_t timeout) | |
| 182 { | |
| 183 Stop(); | |
| 184 clientTimeout_ = timeout; | |
| 185 } | |
| 186 | |
| 187 uint32_t DicomServer::GetClientTimeout() const | |
| 188 { | |
| 189 return clientTimeout_; | |
| 190 } | |
| 191 | |
| 192 | |
| 193 void DicomServer::SetCalledApplicationEntityTitleCheck(bool check) | |
| 194 { | |
| 195 Stop(); | |
| 196 checkCalledAet_ = check; | |
| 197 } | |
| 198 | |
| 199 bool DicomServer::HasCalledApplicationEntityTitleCheck() const | |
| 200 { | |
| 201 return checkCalledAet_; | |
| 202 } | |
| 203 | |
| 204 void DicomServer::SetApplicationEntityTitle(const std::string& aet) | |
| 205 { | |
| 206 if (aet.size() == 0) | |
| 207 { | |
| 62 | 208 throw OrthancException("Too short AET"); |
| 0 | 209 } |
| 210 | |
| 211 for (size_t i = 0; i < aet.size(); i++) | |
| 212 { | |
| 213 if (!isalnum(aet[i]) && aet[i] != '-') | |
| 214 { | |
| 62 | 215 throw OrthancException("Only alphanumeric characters are allowed in AET"); |
| 0 | 216 } |
| 217 } | |
| 218 | |
| 219 Stop(); | |
| 220 aet_ = aet; | |
| 221 } | |
| 222 | |
| 223 const std::string& DicomServer::GetApplicationEntityTitle() const | |
| 224 { | |
| 225 return aet_; | |
| 226 } | |
| 227 | |
| 228 void DicomServer::SetFindRequestHandlerFactory(IFindRequestHandlerFactory& factory) | |
| 229 { | |
| 230 Stop(); | |
| 231 findRequestHandlerFactory_ = &factory; | |
| 232 } | |
| 233 | |
| 234 bool DicomServer::HasFindRequestHandlerFactory() const | |
| 235 { | |
| 236 return (findRequestHandlerFactory_ != NULL); | |
| 237 } | |
| 238 | |
| 239 IFindRequestHandlerFactory& DicomServer::GetFindRequestHandlerFactory() const | |
| 240 { | |
| 241 if (HasFindRequestHandlerFactory()) | |
| 242 { | |
| 243 return *findRequestHandlerFactory_; | |
| 244 } | |
| 245 else | |
| 246 { | |
| 62 | 247 throw OrthancException("No C-FIND request handler factory"); |
| 0 | 248 } |
| 249 } | |
| 250 | |
| 251 void DicomServer::SetMoveRequestHandlerFactory(IMoveRequestHandlerFactory& factory) | |
| 252 { | |
| 253 Stop(); | |
| 254 moveRequestHandlerFactory_ = &factory; | |
| 255 } | |
| 256 | |
| 257 bool DicomServer::HasMoveRequestHandlerFactory() const | |
| 258 { | |
| 259 return (moveRequestHandlerFactory_ != NULL); | |
| 260 } | |
| 261 | |
| 262 IMoveRequestHandlerFactory& DicomServer::GetMoveRequestHandlerFactory() const | |
| 263 { | |
| 264 if (HasMoveRequestHandlerFactory()) | |
| 265 { | |
| 266 return *moveRequestHandlerFactory_; | |
| 267 } | |
| 268 else | |
| 269 { | |
| 62 | 270 throw OrthancException("No C-MOVE request handler factory"); |
| 0 | 271 } |
| 272 } | |
| 273 | |
| 274 void DicomServer::SetStoreRequestHandlerFactory(IStoreRequestHandlerFactory& factory) | |
| 275 { | |
| 276 Stop(); | |
| 277 storeRequestHandlerFactory_ = &factory; | |
| 278 } | |
| 279 | |
| 280 bool DicomServer::HasStoreRequestHandlerFactory() const | |
| 281 { | |
| 282 return (storeRequestHandlerFactory_ != NULL); | |
| 283 } | |
| 284 | |
| 285 IStoreRequestHandlerFactory& DicomServer::GetStoreRequestHandlerFactory() const | |
| 286 { | |
| 287 if (HasStoreRequestHandlerFactory()) | |
| 288 { | |
| 289 return *storeRequestHandlerFactory_; | |
| 290 } | |
| 291 else | |
| 292 { | |
| 62 | 293 throw OrthancException("No C-STORE request handler factory"); |
| 0 | 294 } |
| 295 } | |
| 296 | |
| 297 void DicomServer::SetApplicationEntityFilter(IApplicationEntityFilter& factory) | |
| 298 { | |
| 299 Stop(); | |
| 300 applicationEntityFilter_ = &factory; | |
| 301 } | |
| 302 | |
| 303 bool DicomServer::HasApplicationEntityFilter() const | |
| 304 { | |
| 305 return (applicationEntityFilter_ != NULL); | |
| 306 } | |
| 307 | |
| 308 IApplicationEntityFilter& DicomServer::GetApplicationEntityFilter() const | |
| 309 { | |
| 310 if (HasApplicationEntityFilter()) | |
| 311 { | |
| 312 return *applicationEntityFilter_; | |
| 313 } | |
| 314 else | |
| 315 { | |
| 62 | 316 throw OrthancException("No application entity filter"); |
| 0 | 317 } |
| 318 } | |
| 319 | |
| 320 void DicomServer::Start() | |
| 321 { | |
| 322 Stop(); | |
| 323 continue_ = true; | |
| 324 started_ = false; | |
| 325 pimpl_->thread_ = boost::thread(ServerThread, this); | |
| 326 | |
| 327 while (!started_) | |
| 328 { | |
| 329 Toolbox::USleep(50000); // Wait 50ms | |
| 330 } | |
| 331 } | |
| 332 | |
| 333 void DicomServer::Stop() | |
| 334 { | |
| 335 continue_ = false; | |
| 336 pimpl_->thread_.join(); | |
| 337 | |
| 338 bagOfDispatchers_.StopAll(); | |
| 339 } | |
| 340 } |