Mercurial > hg > orthanc
annotate OrthancServer/DicomProtocol/DicomServer.cpp @ 1582:bd1889029cbb
encoding of exceptions
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 25 Aug 2015 17:39:38 +0200 |
parents | f967bdf8534e |
children | d3ba98d6b6e9 |
rev | line source |
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0 | 1 /** |
62 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
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3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
0 | 5 * |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU General Public License as | |
8 * published by the Free Software Foundation, either version 3 of the | |
9 * License, or (at your option) any later version. | |
136 | 10 * |
11 * In addition, as a special exception, the copyright holders of this | |
12 * program give permission to link the code of its release with the | |
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
14 * that use the same license as the "OpenSSL" library), and distribute | |
15 * the linked executables. You must obey the GNU General Public License | |
16 * in all respects for all of the code used other than "OpenSSL". If you | |
17 * modify file(s) with this exception, you may extend this exception to | |
18 * your version of the file(s), but you are not obligated to do so. If | |
19 * you do not wish to do so, delete this exception statement from your | |
20 * version. If you delete this exception statement from all source files | |
21 * in the program, then also delete it here. | |
0 | 22 * |
23 * This program is distributed in the hope that it will be useful, but | |
24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
26 * General Public License for more details. | |
27 * | |
28 * You should have received a copy of the GNU General Public License | |
29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
30 **/ | |
31 | |
32 | |
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33 #include "../PrecompiledHeadersServer.h" |
0 | 34 #include "DicomServer.h" |
35 | |
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36 #include "../../Core/Logging.h" |
62 | 37 #include "../../Core/OrthancException.h" |
0 | 38 #include "../../Core/Toolbox.h" |
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39 #include "../../Core/Uuid.h" |
0 | 40 #include "../Internals/CommandDispatcher.h" |
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41 #include "../OrthancInitialization.h" |
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42 #include "EmbeddedResources.h" |
0 | 43 |
44 #include <boost/thread.hpp> | |
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45 #include <boost/filesystem.hpp> |
0 | 46 #include <dcmtk/dcmdata/dcdict.h> |
47 | |
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48 #if defined(__linux) |
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49 #include <cstdlib> |
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50 #endif |
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51 |
0 | 52 |
62 | 53 namespace Orthanc |
0 | 54 { |
55 struct DicomServer::PImpl | |
56 { | |
57 boost::thread thread_; | |
58 | |
59 //std::set< | |
60 }; | |
61 | |
62 | |
660 | 63 #if DCMTK_USE_EMBEDDED_DICTIONARIES == 1 |
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64 static void LoadEmbeddedDictionary(DcmDataDictionary& dictionary, |
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65 EmbeddedResources::FileResourceId resource) |
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66 { |
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67 Toolbox::TemporaryFile tmp; |
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68 |
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69 FILE* fp = fopen(tmp.GetPath().c_str(), "wb"); |
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70 fwrite(EmbeddedResources::GetFileResourceBuffer(resource), |
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71 EmbeddedResources::GetFileResourceSize(resource), 1, fp); |
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72 fclose(fp); |
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73 |
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74 if (!dictionary.loadDictionary(tmp.GetPath().c_str())) |
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75 { |
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76 throw OrthancException(ErrorCode_InternalError); |
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77 } |
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78 } |
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79 |
660 | 80 #else |
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81 static void LoadExternalDictionary(DcmDataDictionary& dictionary, |
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82 const std::string& directory, |
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83 const std::string& filename) |
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84 { |
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85 boost::filesystem::path p = directory; |
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86 p = p / filename; |
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87 |
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88 LOG(WARNING) << "Loading the external DICOM dictionary " << p; |
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89 |
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90 if (!dictionary.loadDictionary(p.string().c_str())) |
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91 { |
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92 throw OrthancException(ErrorCode_InternalError); |
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93 } |
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94 } |
660 | 95 |
96 #endif | |
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97 |
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98 |
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99 void DicomServer::InitializeDictionary() |
0 | 100 { |
101 /* Disable "gethostbyaddr" (which results in memory leaks) and use raw IP addresses */ | |
102 dcmDisableGethostbyaddr.set(OFTrue); | |
103 | |
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104 dcmDataDict.clear(); |
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105 DcmDataDictionary& d = dcmDataDict.wrlock(); |
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106 |
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107 #if DCMTK_USE_EMBEDDED_DICTIONARIES == 1 |
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108 LOG(WARNING) << "Loading the embedded dictionaries"; |
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109 /** |
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110 * Do not load DICONDE dictionary, it breaks the other tags. The |
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111 * command "strace storescu 2>&1 |grep dic" shows that DICONDE |
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112 * dictionary is not loaded by storescu. |
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113 **/ |
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114 //LoadEmbeddedDictionary(d, EmbeddedResources::DICTIONARY_DICONDE); |
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115 |
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116 LoadEmbeddedDictionary(d, EmbeddedResources::DICTIONARY_DICOM); |
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117 LoadEmbeddedDictionary(d, EmbeddedResources::DICTIONARY_PRIVATE); |
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118 |
890 | 119 #elif defined(__linux) || defined(__FreeBSD_kernel__) |
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120 std::string path = DCMTK_DICTIONARY_DIR; |
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121 |
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122 const char* env = std::getenv(DCM_DICT_ENVIRONMENT_VARIABLE); |
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123 if (env != NULL) |
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124 { |
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125 path = std::string(env); |
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126 } |
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127 |
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128 LoadExternalDictionary(d, path, "dicom.dic"); |
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129 LoadExternalDictionary(d, path, "private.dic"); |
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130 |
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131 #else |
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132 #error Support your platform here |
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133 #endif |
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134 |
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135 dcmDataDict.unlock(); |
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136 |
0 | 137 /* make sure data dictionary is loaded */ |
138 if (!dcmDataDict.isDictionaryLoaded()) | |
139 { | |
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140 LOG(ERROR) << "No DICOM dictionary loaded, check environment variable: " << DCM_DICT_ENVIRONMENT_VARIABLE; |
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141 throw OrthancException(ErrorCode_InternalError); |
0 | 142 } |
143 | |
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144 { |
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145 // Test the dictionary with a simple DICOM tag |
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146 DcmTag key(0x0010, 0x1030); // This is PatientWeight |
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147 if (key.getEVR() != EVR_DS) |
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148 { |
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149 LOG(ERROR) << "The DICOM dictionary has not been correctly read"; |
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150 throw OrthancException(ErrorCode_InternalError); |
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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 |
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156 void DicomServer::ServerThread(DicomServer* server) |
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157 { |
0 | 158 /* initialize network, i.e. create an instance of T_ASC_Network*. */ |
159 T_ASC_Network *net; | |
160 OFCondition cond = ASC_initializeNetwork | |
161 (NET_ACCEPTOR, OFstatic_cast(int, server->port_), /*opt_acse_timeout*/ 30, &net); | |
162 if (cond.bad()) | |
163 { | |
102
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164 LOG(ERROR) << "cannot create network: " << cond.text(); |
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165 throw OrthancException(ErrorCode_DicomPortInUse); |
0 | 166 } |
167 | |
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168 LOG(INFO) << "DICOM server started"; |
0 | 169 |
170 server->started_ = true; | |
171 | |
172 while (server->continue_) | |
173 { | |
174 /* receive an association and acknowledge or reject it. If the association was */ | |
175 /* acknowledged, offer corresponding services and invoke one or more if required. */ | |
176 std::auto_ptr<Internals::CommandDispatcher> dispatcher(Internals::AcceptAssociation(*server, net)); | |
177 | |
178 if (dispatcher.get() != NULL) | |
179 { | |
180 if (server->isThreaded_) | |
181 { | |
182 server->bagOfDispatchers_.Add(dispatcher.release()); | |
183 } | |
184 else | |
185 { | |
186 IRunnableBySteps::RunUntilDone(*dispatcher); | |
187 } | |
188 } | |
189 } | |
190 | |
137
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191 LOG(INFO) << "DICOM server stopping"; |
0 | 192 |
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193 if (server->isThreaded_) |
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194 { |
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195 server->bagOfDispatchers_.StopAll(); |
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196 } |
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197 |
0 | 198 /* drop the network, i.e. free memory of T_ASC_Network* structure. This call */ |
199 /* is the counterpart of ASC_initializeNetwork(...) which was called above. */ | |
200 cond = ASC_dropNetwork(&net); | |
201 if (cond.bad()) | |
202 { | |
102
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203 LOG(ERROR) << "Error while dropping the network: " << cond.text(); |
0 | 204 } |
205 } | |
206 | |
207 | |
656 | 208 DicomServer::DicomServer() : |
209 pimpl_(new PImpl), | |
210 aet_("ANY-SCP") | |
0 | 211 { |
212 port_ = 104; | |
213 findRequestHandlerFactory_ = NULL; | |
214 moveRequestHandlerFactory_ = NULL; | |
215 storeRequestHandlerFactory_ = NULL; | |
216 applicationEntityFilter_ = NULL; | |
217 checkCalledAet_ = true; | |
218 clientTimeout_ = 30; | |
219 isThreaded_ = true; | |
656 | 220 continue_ = false; |
221 started_ = false; | |
0 | 222 } |
223 | |
224 DicomServer::~DicomServer() | |
225 { | |
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226 if (continue_) |
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227 { |
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228 LOG(ERROR) << "INTERNAL ERROR: DicomServer::Stop() should be invoked manually to avoid mess in the destruction order!"; |
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229 Stop(); |
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230 } |
0 | 231 } |
232 | |
128 | 233 void DicomServer::SetPortNumber(uint16_t port) |
0 | 234 { |
235 Stop(); | |
236 port_ = port; | |
237 } | |
238 | |
128 | 239 uint16_t DicomServer::GetPortNumber() const |
0 | 240 { |
241 return port_; | |
242 } | |
243 | |
244 void DicomServer::SetThreaded(bool isThreaded) | |
245 { | |
246 Stop(); | |
247 isThreaded_ = isThreaded; | |
248 } | |
249 | |
250 bool DicomServer::IsThreaded() const | |
251 { | |
252 return isThreaded_; | |
253 } | |
254 | |
255 void DicomServer::SetClientTimeout(uint32_t timeout) | |
256 { | |
257 Stop(); | |
258 clientTimeout_ = timeout; | |
259 } | |
260 | |
261 uint32_t DicomServer::GetClientTimeout() const | |
262 { | |
263 return clientTimeout_; | |
264 } | |
265 | |
266 | |
267 void DicomServer::SetCalledApplicationEntityTitleCheck(bool check) | |
268 { | |
269 Stop(); | |
270 checkCalledAet_ = check; | |
271 } | |
272 | |
273 bool DicomServer::HasCalledApplicationEntityTitleCheck() const | |
274 { | |
275 return checkCalledAet_; | |
276 } | |
277 | |
278 void DicomServer::SetApplicationEntityTitle(const std::string& aet) | |
279 { | |
280 if (aet.size() == 0) | |
281 { | |
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282 throw OrthancException(ErrorCode_BadApplicationEntityTitle); |
0 | 283 } |
284 | |
1234 | 285 if (aet.size() > 16) |
286 { | |
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287 throw OrthancException(ErrorCode_BadApplicationEntityTitle); |
1234 | 288 } |
289 | |
0 | 290 for (size_t i = 0; i < aet.size(); i++) |
291 { | |
1243 | 292 if (!(aet[i] == '-' || |
293 aet[i] == '_' || | |
294 isdigit(aet[i]) || | |
295 (aet[i] >= 'A' && aet[i] <= 'Z'))) | |
0 | 296 { |
1234 | 297 LOG(WARNING) << "For best interoperability, only upper case, alphanumeric characters should be present in AET: \"" << aet << "\""; |
298 break; | |
0 | 299 } |
300 } | |
301 | |
302 Stop(); | |
303 aet_ = aet; | |
304 } | |
305 | |
306 const std::string& DicomServer::GetApplicationEntityTitle() const | |
307 { | |
308 return aet_; | |
309 } | |
310 | |
311 void DicomServer::SetFindRequestHandlerFactory(IFindRequestHandlerFactory& factory) | |
312 { | |
313 Stop(); | |
314 findRequestHandlerFactory_ = &factory; | |
315 } | |
316 | |
317 bool DicomServer::HasFindRequestHandlerFactory() const | |
318 { | |
319 return (findRequestHandlerFactory_ != NULL); | |
320 } | |
321 | |
322 IFindRequestHandlerFactory& DicomServer::GetFindRequestHandlerFactory() const | |
323 { | |
324 if (HasFindRequestHandlerFactory()) | |
325 { | |
326 return *findRequestHandlerFactory_; | |
327 } | |
328 else | |
329 { | |
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330 throw OrthancException(ErrorCode_NoCFindHandler); |
0 | 331 } |
332 } | |
333 | |
334 void DicomServer::SetMoveRequestHandlerFactory(IMoveRequestHandlerFactory& factory) | |
335 { | |
336 Stop(); | |
337 moveRequestHandlerFactory_ = &factory; | |
338 } | |
339 | |
340 bool DicomServer::HasMoveRequestHandlerFactory() const | |
341 { | |
342 return (moveRequestHandlerFactory_ != NULL); | |
343 } | |
344 | |
345 IMoveRequestHandlerFactory& DicomServer::GetMoveRequestHandlerFactory() const | |
346 { | |
347 if (HasMoveRequestHandlerFactory()) | |
348 { | |
349 return *moveRequestHandlerFactory_; | |
350 } | |
351 else | |
352 { | |
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353 throw OrthancException(ErrorCode_NoCMoveHandler); |
0 | 354 } |
355 } | |
356 | |
357 void DicomServer::SetStoreRequestHandlerFactory(IStoreRequestHandlerFactory& factory) | |
358 { | |
359 Stop(); | |
360 storeRequestHandlerFactory_ = &factory; | |
361 } | |
362 | |
363 bool DicomServer::HasStoreRequestHandlerFactory() const | |
364 { | |
365 return (storeRequestHandlerFactory_ != NULL); | |
366 } | |
367 | |
368 IStoreRequestHandlerFactory& DicomServer::GetStoreRequestHandlerFactory() const | |
369 { | |
370 if (HasStoreRequestHandlerFactory()) | |
371 { | |
372 return *storeRequestHandlerFactory_; | |
373 } | |
374 else | |
375 { | |
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376 throw OrthancException(ErrorCode_NoCStoreHandler); |
0 | 377 } |
378 } | |
379 | |
380 void DicomServer::SetApplicationEntityFilter(IApplicationEntityFilter& factory) | |
381 { | |
382 Stop(); | |
383 applicationEntityFilter_ = &factory; | |
384 } | |
385 | |
386 bool DicomServer::HasApplicationEntityFilter() const | |
387 { | |
388 return (applicationEntityFilter_ != NULL); | |
389 } | |
390 | |
391 IApplicationEntityFilter& DicomServer::GetApplicationEntityFilter() const | |
392 { | |
393 if (HasApplicationEntityFilter()) | |
394 { | |
395 return *applicationEntityFilter_; | |
396 } | |
397 else | |
398 { | |
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399 throw OrthancException(ErrorCode_NoApplicationEntityFilter); |
0 | 400 } |
401 } | |
402 | |
403 void DicomServer::Start() | |
404 { | |
405 Stop(); | |
406 continue_ = true; | |
407 started_ = false; | |
408 pimpl_->thread_ = boost::thread(ServerThread, this); | |
409 | |
410 while (!started_) | |
411 { | |
412 Toolbox::USleep(50000); // Wait 50ms | |
413 } | |
414 } | |
415 | |
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416 |
0 | 417 void DicomServer::Stop() |
418 { | |
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419 if (continue_) |
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420 { |
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421 continue_ = false; |
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422 |
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423 if (pimpl_->thread_.joinable()) |
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424 { |
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425 pimpl_->thread_.join(); |
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426 } |
1454 | 427 |
428 bagOfDispatchers_.Finalize(); | |
431
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429 } |
0 | 430 } |
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431 |
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432 |
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433 bool DicomServer::IsMyAETitle(const std::string& aet) const |
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434 { |
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435 if (!HasCalledApplicationEntityTitleCheck()) |
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436 { |
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437 // OK, no check on the AET. |
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438 return true; |
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439 } |
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440 |
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441 return Configuration::IsSameAETitle(aet, GetApplicationEntityTitle()); |
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442 } |
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443 |
0 | 444 } |