Mercurial > hg > orthanc-webviewer
annotate Plugin/Plugin.cpp @ 206:d1ed9efdea6c
rename ORTHANC_WEBVIEWER_VERSION as ORTHANC_PLUGIN_VERSION
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 20 Jul 2018 14:25:04 +0200 |
| parents | 7edc2c82996c |
| children | 2f27287c047c |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 122 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
| 0 | 4 * Department, University Hospital of Liege, Belgium |
|
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5 * Copyright (C) 2017-2018 Osimis S.A., Belgium |
| 0 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU Affero General Public License | |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 11 * | |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 * Affero General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Affero General Public License | |
| 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 **/ | |
| 20 | |
| 21 | |
|
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22 #include "ViewerToolbox.h" |
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23 #include "ViewerPrefetchPolicy.h" |
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24 #include "DecodedImageAdapter.h" |
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25 #include "SeriesInformationAdapter.h" |
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26 |
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27 #include <Core/DicomFormat/DicomMap.h> |
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28 #include <Core/OrthancException.h> |
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29 #include <Core/SystemToolbox.h> |
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30 #include <Core/Toolbox.h> |
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31 #include <Plugins/Samples/GdcmDecoder/GdcmDecoderCache.h> |
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32 |
| 0 | 33 #include <boost/thread.hpp> |
| 34 #include <boost/lexical_cast.hpp> | |
| 35 #include <EmbeddedResources.h> | |
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36 #include <boost/filesystem.hpp> |
| 0 | 37 |
| 38 | |
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39 static OrthancPluginContext* context_ = NULL; |
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40 static bool restrictTransferSyntaxes_ = false; |
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41 static std::set<std::string> enabledTransferSyntaxes_; |
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42 |
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43 |
| 0 | 44 class CacheContext |
| 45 { | |
| 46 private: | |
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47 class DynamicString : public Orthanc::IDynamicObject |
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48 { |
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49 private: |
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50 std::string value_; |
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51 |
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52 public: |
| 197 | 53 explicit DynamicString(const char* value) : value_(value) |
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54 { |
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55 } |
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56 |
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57 const std::string& GetValue() const |
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58 { |
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59 return value_; |
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60 } |
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61 }; |
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62 |
| 58 | 63 Orthanc::FilesystemStorage storage_; |
| 64 Orthanc::SQLite::Connection db_; | |
| 65 | |
| 0 | 66 std::auto_ptr<OrthancPlugins::CacheManager> cache_; |
| 67 std::auto_ptr<OrthancPlugins::CacheScheduler> scheduler_; | |
| 68 | |
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69 Orthanc::SharedMessageQueue newInstances_; |
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70 bool stop_; |
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71 boost::thread newInstancesThread_; |
| 102 | 72 OrthancPlugins::GdcmDecoderCache decoder_; |
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73 |
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74 static void NewInstancesThread(CacheContext* cache) |
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75 { |
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76 while (!cache->stop_) |
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77 { |
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78 std::auto_ptr<Orthanc::IDynamicObject> obj(cache->newInstances_.Dequeue(100)); |
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79 if (obj.get() != NULL) |
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80 { |
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81 const std::string& instanceId = dynamic_cast<DynamicString&>(*obj).GetValue(); |
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82 |
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83 // On the reception of a new instance, indalidate the parent series of the instance |
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84 std::string uri = "/instances/" + std::string(instanceId); |
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85 Json::Value instance; |
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86 if (OrthancPlugins::GetJsonFromOrthanc(instance, context_, uri)) |
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87 { |
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88 std::string seriesId = instance["ParentSeries"].asString(); |
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89 cache->GetScheduler().Invalidate(OrthancPlugins::CacheBundle_SeriesInformation, seriesId); |
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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 |
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95 |
| 0 | 96 public: |
| 197 | 97 explicit CacheContext(const std::string& path) : storage_(path), stop_(false) |
| 0 | 98 { |
| 99 boost::filesystem::path p(path); | |
| 58 | 100 db_.Open((p / "cache.db").string()); |
| 0 | 101 |
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102 cache_.reset(new OrthancPlugins::CacheManager(context_, db_, storage_)); |
| 0 | 103 //cache_->SetSanityCheckEnabled(true); // For debug |
| 104 | |
| 105 scheduler_.reset(new OrthancPlugins::CacheScheduler(*cache_, 100)); | |
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106 |
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107 newInstancesThread_ = boost::thread(NewInstancesThread, this); |
| 0 | 108 } |
| 109 | |
| 58 | 110 ~CacheContext() |
| 111 { | |
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112 stop_ = true; |
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113 if (newInstancesThread_.joinable()) |
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114 { |
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115 newInstancesThread_.join(); |
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116 } |
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117 |
| 58 | 118 scheduler_.reset(NULL); |
| 119 cache_.reset(NULL); | |
| 120 } | |
| 121 | |
| 0 | 122 OrthancPlugins::CacheScheduler& GetScheduler() |
| 123 { | |
| 124 return *scheduler_; | |
| 125 } | |
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126 |
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127 void SignalNewInstance(const char* instanceId) |
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128 { |
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129 newInstances_.Enqueue(new DynamicString(instanceId)); |
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130 } |
| 102 | 131 |
| 132 OrthancPlugins::GdcmDecoderCache& GetDecoder() | |
| 133 { | |
| 134 return decoder_; | |
| 135 } | |
| 0 | 136 }; |
| 137 | |
| 138 | |
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139 |
| 0 | 140 static CacheContext* cache_ = NULL; |
| 141 | |
| 142 | |
| 143 | |
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144 static OrthancPluginErrorCode OnChangeCallback(OrthancPluginChangeType changeType, |
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145 OrthancPluginResourceType resourceType, |
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146 const char* resourceId) |
| 0 | 147 { |
| 148 try | |
| 149 { | |
| 150 if (changeType == OrthancPluginChangeType_NewInstance && | |
| 151 resourceType == OrthancPluginResourceType_Instance) | |
| 152 { | |
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153 cache_->SignalNewInstance(resourceId); |
| 0 | 154 } |
| 155 | |
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156 return OrthancPluginErrorCode_Success; |
| 0 | 157 } |
| 158 catch (std::runtime_error& e) | |
| 159 { | |
| 160 OrthancPluginLogError(context_, e.what()); | |
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161 return OrthancPluginErrorCode_Success; // Ignore error |
| 0 | 162 } |
| 163 } | |
| 164 | |
| 165 | |
| 166 | |
| 167 template <enum OrthancPlugins::CacheBundle bundle> | |
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168 static OrthancPluginErrorCode ServeCache(OrthancPluginRestOutput* output, |
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169 const char* url, |
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170 const OrthancPluginHttpRequest* request) |
| 0 | 171 { |
| 172 try | |
| 173 { | |
| 174 if (request->method != OrthancPluginHttpMethod_Get) | |
| 175 { | |
| 176 OrthancPluginSendMethodNotAllowed(context_, output, "GET"); | |
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177 return OrthancPluginErrorCode_Success; |
| 0 | 178 } |
| 179 | |
| 180 const std::string id = request->groups[0]; | |
| 181 std::string content; | |
| 182 | |
| 183 if (cache_->GetScheduler().Access(content, bundle, id)) | |
| 184 { | |
| 185 OrthancPluginAnswerBuffer(context_, output, content.c_str(), content.size(), "application/json"); | |
| 186 } | |
| 187 else | |
| 188 { | |
| 189 OrthancPluginSendHttpStatusCode(context_, output, 404); | |
| 190 } | |
| 191 | |
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192 return OrthancPluginErrorCode_Success; |
| 0 | 193 } |
| 194 catch (Orthanc::OrthancException& e) | |
| 195 { | |
| 196 OrthancPluginLogError(context_, e.What()); | |
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197 return OrthancPluginErrorCode_Plugin; |
| 0 | 198 } |
| 199 catch (std::runtime_error& e) | |
| 200 { | |
| 201 OrthancPluginLogError(context_, e.what()); | |
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202 return OrthancPluginErrorCode_Plugin; |
| 0 | 203 } |
| 204 catch (boost::bad_lexical_cast&) | |
| 205 { | |
| 206 OrthancPluginLogError(context_, "Bad lexical cast"); | |
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207 return OrthancPluginErrorCode_Plugin; |
| 0 | 208 } |
| 209 } | |
| 210 | |
| 211 | |
| 212 | |
| 213 | |
| 214 #if ORTHANC_STANDALONE == 0 | |
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215 static OrthancPluginErrorCode ServeWebViewer(OrthancPluginRestOutput* output, |
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216 const char* url, |
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217 const OrthancPluginHttpRequest* request) |
| 0 | 218 { |
| 219 if (request->method != OrthancPluginHttpMethod_Get) | |
| 220 { | |
| 221 OrthancPluginSendMethodNotAllowed(context_, output, "GET"); | |
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222 return OrthancPluginErrorCode_Success; |
| 0 | 223 } |
| 224 | |
| 225 const std::string path = std::string(WEB_VIEWER_PATH) + std::string(request->groups[0]); | |
| 226 const char* mime = OrthancPlugins::GetMimeType(path); | |
| 227 | |
| 228 std::string s; | |
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229 try |
| 0 | 230 { |
| 160 | 231 Orthanc::SystemToolbox::ReadFile(s, path); |
| 0 | 232 const char* resource = s.size() ? s.c_str() : NULL; |
| 233 OrthancPluginAnswerBuffer(context_, output, resource, s.size(), mime); | |
| 234 } | |
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235 catch (Orthanc::OrthancException&) |
| 0 | 236 { |
| 237 std::string s = "Inexistent file in served folder: " + path; | |
| 238 OrthancPluginLogError(context_, s.c_str()); | |
| 239 OrthancPluginSendHttpStatusCode(context_, output, 404); | |
| 240 } | |
| 241 | |
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242 return OrthancPluginErrorCode_Success; |
| 0 | 243 } |
| 244 #endif | |
| 245 | |
| 246 | |
| 247 | |
| 31 | 248 template <enum Orthanc::EmbeddedResources::DirectoryResourceId folder> |
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249 static OrthancPluginErrorCode ServeEmbeddedFolder(OrthancPluginRestOutput* output, |
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250 const char* url, |
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251 const OrthancPluginHttpRequest* request) |
| 0 | 252 { |
| 253 if (request->method != OrthancPluginHttpMethod_Get) | |
| 254 { | |
| 255 OrthancPluginSendMethodNotAllowed(context_, output, "GET"); | |
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256 return OrthancPluginErrorCode_Success; |
| 0 | 257 } |
| 258 | |
| 259 std::string path = "/" + std::string(request->groups[0]); | |
| 260 const char* mime = OrthancPlugins::GetMimeType(path); | |
| 261 | |
| 262 try | |
| 263 { | |
| 264 std::string s; | |
| 31 | 265 Orthanc::EmbeddedResources::GetDirectoryResource(s, folder, path.c_str()); |
| 0 | 266 |
| 267 const char* resource = s.size() ? s.c_str() : NULL; | |
| 268 OrthancPluginAnswerBuffer(context_, output, resource, s.size(), mime); | |
| 269 | |
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270 return OrthancPluginErrorCode_Success; |
| 0 | 271 } |
| 272 catch (std::runtime_error&) | |
| 273 { | |
| 274 std::string s = "Unknown static resource in plugin: " + std::string(request->groups[0]); | |
| 275 OrthancPluginLogError(context_, s.c_str()); | |
| 276 OrthancPluginSendHttpStatusCode(context_, output, 404); | |
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277 return OrthancPluginErrorCode_Success; |
| 0 | 278 } |
| 279 } | |
| 280 | |
| 281 | |
| 282 | |
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283 static OrthancPluginErrorCode IsStableSeries(OrthancPluginRestOutput* output, |
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284 const char* url, |
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285 const OrthancPluginHttpRequest* request) |
| 19 | 286 { |
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287 try |
| 19 | 288 { |
| 289 if (request->method != OrthancPluginHttpMethod_Get) | |
| 290 { | |
| 291 OrthancPluginSendMethodNotAllowed(context_, output, "GET"); | |
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292 return OrthancPluginErrorCode_Success; |
| 19 | 293 } |
| 294 | |
| 295 const std::string id = request->groups[0]; | |
| 296 Json::Value series; | |
| 297 | |
| 298 if (OrthancPlugins::GetJsonFromOrthanc(series, context_, "/series/" + id) && | |
| 299 series.type() == Json::objectValue) | |
| 300 { | |
| 301 bool value = (series["IsStable"].asBool() || | |
| 302 series["Status"].asString() == "Complete"); | |
| 303 std::string answer = value ? "true" : "false"; | |
| 304 OrthancPluginAnswerBuffer(context_, output, answer.c_str(), answer.size(), "application/json"); | |
| 305 } | |
| 306 else | |
| 307 { | |
| 308 OrthancPluginSendHttpStatusCode(context_, output, 404); | |
| 309 } | |
| 310 | |
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311 return OrthancPluginErrorCode_Success; |
| 19 | 312 } |
| 313 catch (Orthanc::OrthancException& e) | |
| 314 { | |
| 315 OrthancPluginLogError(context_, e.What()); | |
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316 return OrthancPluginErrorCode_Plugin; |
| 19 | 317 } |
| 318 catch (std::runtime_error& e) | |
| 319 { | |
| 320 OrthancPluginLogError(context_, e.what()); | |
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321 return OrthancPluginErrorCode_Plugin; |
| 19 | 322 } |
| 323 catch (boost::bad_lexical_cast&) | |
| 324 { | |
| 325 OrthancPluginLogError(context_, "Bad lexical cast"); | |
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326 return OrthancPluginErrorCode_Plugin; |
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327 } |
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328 } |
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329 |
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330 |
|
133
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331 |
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332 static bool ExtractTransferSyntax(std::string& transferSyntax, |
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333 const void* dicom, |
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334 const uint32_t size) |
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335 { |
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336 Orthanc::DicomMap header; |
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337 if (!Orthanc::DicomMap::ParseDicomMetaInformation(header, reinterpret_cast<const char*>(dicom), size)) |
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338 { |
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339 return false; |
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340 } |
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341 |
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342 const Orthanc::DicomValue* tag = header.TestAndGetValue(0x0002, 0x0010); |
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343 if (tag == NULL || |
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344 tag->IsNull() || |
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345 tag->IsBinary()) |
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346 { |
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347 return false; |
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348 } |
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349 else |
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350 { |
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351 // Stripping spaces should not be required, as this is a UI value |
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352 // representation whose stripping is supported by the Orthanc |
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353 // core, but let's be careful... |
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354 transferSyntax = Orthanc::Toolbox::StripSpaces(tag->GetContent()); |
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355 return true; |
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356 } |
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357 } |
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358 |
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359 |
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360 static bool IsTransferSyntaxEnabled(const void* dicom, |
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361 const uint32_t size) |
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362 { |
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363 std::string formattedSize; |
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364 |
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365 { |
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366 char tmp[16]; |
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367 sprintf(tmp, "%0.1fMB", static_cast<float>(size) / (1024.0f * 1024.0f)); |
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368 formattedSize.assign(tmp); |
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369 } |
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370 |
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371 if (!restrictTransferSyntaxes_) |
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372 { |
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373 std::string s = "Decoding one DICOM instance of " + formattedSize + " using GDCM"; |
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374 OrthancPluginLogInfo(context_, s.c_str()); |
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375 return true; |
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376 } |
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377 |
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378 std::string transferSyntax; |
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379 if (!ExtractTransferSyntax(transferSyntax, dicom, size)) |
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380 { |
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381 std::string s = ("Cannot extract the transfer syntax of this instance of " + |
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382 formattedSize + ", will use GDCM to decode it"); |
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383 OrthancPluginLogInfo(context_, s.c_str()); |
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384 return true; |
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385 } |
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386 |
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387 if (enabledTransferSyntaxes_.find(transferSyntax) != enabledTransferSyntaxes_.end()) |
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388 { |
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389 // Decoding for this transfer syntax is enabled |
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390 std::string s = ("Using GDCM to decode this instance of " + |
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391 formattedSize + " with transfer syntax " + transferSyntax); |
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392 OrthancPluginLogInfo(context_, s.c_str()); |
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393 return true; |
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394 } |
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395 else |
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396 { |
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397 std::string s = ("Won't use GDCM to decode this instance of " + |
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398 formattedSize + ", as its transfer syntax " + transferSyntax + " is disabled"); |
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399 OrthancPluginLogInfo(context_, s.c_str()); |
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400 return false; |
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401 } |
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402 } |
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403 |
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404 |
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405 static OrthancPluginErrorCode DecodeImageCallback(OrthancPluginImage** target, |
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406 const void* dicom, |
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407 const uint32_t size, |
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408 uint32_t frameIndex) |
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409 { |
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410 try |
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411 { |
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412 if (!IsTransferSyntaxEnabled(dicom, size)) |
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413 { |
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414 *target = NULL; |
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415 return OrthancPluginErrorCode_Success; |
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416 } |
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417 |
| 96 | 418 std::auto_ptr<OrthancPlugins::OrthancImageWrapper> image; |
| 419 | |
| 420 #if 0 | |
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421 // Do not use the cache |
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422 OrthancPlugins::GdcmImageDecoder decoder(dicom, size); |
| 96 | 423 image.reset(new OrthancPlugins::OrthancImageWrapper(context_, decoder, frameIndex)); |
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424 #else |
| 96 | 425 using namespace OrthancPlugins; |
| 102 | 426 image.reset(cache_->GetDecoder().Decode(context_, dicom, size, frameIndex)); |
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427 #endif |
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428 |
| 96 | 429 *target = image->Release(); |
| 430 | |
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431 return OrthancPluginErrorCode_Success; |
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432 } |
| 114 | 433 catch (Orthanc::OrthancException& e) |
| 434 { | |
| 435 *target = NULL; | |
| 436 | |
| 437 std::string s = "Cannot decode image using GDCM: " + std::string(e.What()); | |
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438 OrthancPluginLogWarning(context_, s.c_str()); |
| 114 | 439 return OrthancPluginErrorCode_Plugin; |
| 440 } | |
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441 catch (std::runtime_error& e) |
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442 { |
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443 *target = NULL; |
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444 |
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445 std::string s = "Cannot decode image using GDCM: " + std::string(e.what()); |
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446 OrthancPluginLogWarning(context_, s.c_str()); |
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447 return OrthancPluginErrorCode_Plugin; |
| 19 | 448 } |
| 449 } | |
| 450 | |
| 0 | 451 |
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452 void ParseConfiguration(bool& enableGdcm, |
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453 int& decodingThreads, |
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454 boost::filesystem::path& cachePath, |
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455 int& cacheSize) |
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456 { |
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457 /* Read the configuration of the Web viewer */ |
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458 Json::Value configuration; |
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459 if (!OrthancPlugins::ReadConfiguration(configuration, context_)) |
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460 { |
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461 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); |
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462 } |
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463 |
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464 // By default, the cache of the Web viewer is located inside the |
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465 // "StorageDirectory" of Orthanc |
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466 cachePath = OrthancPlugins::GetStringValue(configuration, "StorageDirectory", "."); |
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467 cachePath /= "WebViewerCache"; |
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468 |
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469 static const char* CONFIG_WEB_VIEWER = "WebViewer"; |
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470 if (configuration.isMember(CONFIG_WEB_VIEWER)) |
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471 { |
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472 |
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473 std::string key = "CachePath"; |
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474 if (!configuration[CONFIG_WEB_VIEWER].isMember(key)) |
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475 { |
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476 // For backward compatibility with the initial release of the Web viewer |
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477 key = "Cache"; |
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478 } |
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479 |
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480 cachePath = OrthancPlugins::GetStringValue(configuration[CONFIG_WEB_VIEWER], key, cachePath.string()); |
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481 cacheSize = OrthancPlugins::GetIntegerValue(configuration[CONFIG_WEB_VIEWER], "CacheSize", cacheSize); |
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482 decodingThreads = OrthancPlugins::GetIntegerValue(configuration[CONFIG_WEB_VIEWER], "Threads", decodingThreads); |
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483 |
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484 static const char* CONFIG_ENABLE_GDCM = "EnableGdcm"; |
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485 if (configuration[CONFIG_WEB_VIEWER].isMember(CONFIG_ENABLE_GDCM)) |
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486 { |
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487 if (configuration[CONFIG_WEB_VIEWER][CONFIG_ENABLE_GDCM].type() != Json::booleanValue) |
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488 { |
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489 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); |
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490 } |
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491 else |
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492 { |
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493 enableGdcm = configuration[CONFIG_WEB_VIEWER][CONFIG_ENABLE_GDCM].asBool(); |
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494 } |
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495 } |
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496 |
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497 if (enableGdcm) |
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498 { |
| 197 | 499 static const char* CONFIG_RESTRICT_TRANSFER_SYNTAXES = "RestrictTransferSyntaxes"; |
| 500 | |
|
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501 if (configuration[CONFIG_WEB_VIEWER].isMember(CONFIG_RESTRICT_TRANSFER_SYNTAXES)) |
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502 { |
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503 const Json::Value& config = configuration[CONFIG_WEB_VIEWER][CONFIG_RESTRICT_TRANSFER_SYNTAXES]; |
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504 |
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505 if (config.type() != Json::arrayValue) |
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506 { |
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507 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); |
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508 } |
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509 |
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510 restrictTransferSyntaxes_ = true; |
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511 for (Json::Value::ArrayIndex i = 0; i < config.size(); i++) |
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512 { |
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513 if (config[i].type() != Json::stringValue) |
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514 { |
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515 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); |
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516 } |
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517 else |
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518 { |
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519 std::string s = "Web viewer will use GDCM to decode transfer syntax " + config[i].asString(); |
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520 enabledTransferSyntaxes_.insert(config[i].asString()); |
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521 OrthancPluginLogWarning(context_, s.c_str()); |
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522 } |
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523 } |
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524 } |
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525 } |
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526 } |
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527 |
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528 if (decodingThreads <= 0 || |
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529 cacheSize <= 0) |
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530 { |
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531 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); |
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532 } |
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533 |
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534 } |
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535 |
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536 |
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537 static bool DisplayPerformanceWarning() |
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538 { |
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539 (void) DisplayPerformanceWarning; // Disable warning about unused function |
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540 OrthancPluginLogWarning(context_, "Performance warning in Web viewer: " |
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541 "Non-release build, runtime debug assertions are turned on"); |
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542 return true; |
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543 } |
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544 |
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545 |
| 0 | 546 extern "C" |
| 547 { | |
| 548 ORTHANC_PLUGINS_API int32_t OrthancPluginInitialize(OrthancPluginContext* context) | |
| 549 { | |
| 550 using namespace OrthancPlugins; | |
| 551 | |
| 552 context_ = context; | |
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553 assert(DisplayPerformanceWarning()); |
| 0 | 554 OrthancPluginLogWarning(context_, "Initializing the Web viewer"); |
| 555 | |
| 556 | |
| 557 /* Check the version of the Orthanc core */ | |
| 558 if (OrthancPluginCheckVersion(context_) == 0) | |
| 559 { | |
| 560 char info[1024]; | |
| 561 sprintf(info, "Your version of Orthanc (%s) must be above %d.%d.%d to run this plugin", | |
| 562 context_->orthancVersion, | |
| 563 ORTHANC_PLUGINS_MINIMAL_MAJOR_NUMBER, | |
| 564 ORTHANC_PLUGINS_MINIMAL_MINOR_NUMBER, | |
| 565 ORTHANC_PLUGINS_MINIMAL_REVISION_NUMBER); | |
| 566 OrthancPluginLogError(context_, info); | |
| 567 return -1; | |
| 568 } | |
| 569 | |
| 570 OrthancPluginSetDescription(context_, "Provides a Web viewer of DICOM series within Orthanc."); | |
| 571 | |
| 572 | |
| 573 /* By default, use half of the available processing cores for the decoding of DICOM images */ | |
| 574 int decodingThreads = boost::thread::hardware_concurrency() / 2; | |
| 575 if (decodingThreads == 0) | |
| 576 { | |
| 577 decodingThreads = 1; | |
| 578 } | |
| 579 | |
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580 /* By default, use GDCM */ |
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581 bool enableGdcm = true; |
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582 |
| 0 | 583 try |
| 584 { | |
| 197 | 585 /* By default, a cache of 100 MB is used */ |
| 586 int cacheSize = 100; | |
| 587 | |
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588 boost::filesystem::path cachePath; |
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589 ParseConfiguration(enableGdcm, decodingThreads, cachePath, cacheSize); |
| 0 | 590 |
| 591 std::string message = ("Web viewer using " + boost::lexical_cast<std::string>(decodingThreads) + | |
| 592 " threads for the decoding of the DICOM images"); | |
| 593 OrthancPluginLogWarning(context_, message.c_str()); | |
| 594 | |
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595 message = "Storing the cache of the Web viewer in folder: " + cachePath.string(); |
| 0 | 596 OrthancPluginLogWarning(context_, message.c_str()); |
| 597 | |
| 598 | |
| 599 /* Create the cache */ | |
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600 cache_ = new CacheContext(cachePath.string()); |
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601 CacheScheduler& scheduler = cache_->GetScheduler(); |
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602 |
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603 |
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604 /* Look for a change in the versions */ |
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605 std::string orthancVersion("unknown"), webViewerVersion("unknown"); |
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606 bool clear = false; |
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607 if (!scheduler.LookupProperty(orthancVersion, CacheProperty_OrthancVersion) || |
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608 orthancVersion != std::string(context_->orthancVersion)) |
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609 { |
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610 std::string s = ("The version of Orthanc has changed from \"" + orthancVersion + "\" to \"" + |
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611 std::string(context_->orthancVersion) + "\": The cache of the Web viewer will be cleared"); |
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612 OrthancPluginLogWarning(context_, s.c_str()); |
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613 clear = true; |
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614 } |
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615 |
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616 if (!scheduler.LookupProperty(webViewerVersion, CacheProperty_WebViewerVersion) || |
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617 webViewerVersion != std::string(ORTHANC_PLUGIN_VERSION)) |
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618 { |
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619 std::string s = ("The version of the Web viewer plugin has changed from \"" + webViewerVersion + "\" to \"" + |
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620 std::string(ORTHANC_PLUGIN_VERSION) + "\": The cache of the Web viewer will be cleared"); |
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621 OrthancPluginLogWarning(context_, s.c_str()); |
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622 clear = true; |
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623 } |
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624 |
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625 |
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626 /* Clear the cache if needed */ |
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627 if (clear) |
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628 { |
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629 OrthancPluginLogWarning(context_, "Clearing the cache of the Web viewer"); |
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630 scheduler.Clear(); |
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631 scheduler.SetProperty(CacheProperty_OrthancVersion, context_->orthancVersion); |
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632 scheduler.SetProperty(CacheProperty_WebViewerVersion, ORTHANC_PLUGIN_VERSION); |
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633 } |
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634 else |
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635 { |
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636 OrthancPluginLogInfo(context_, "No change in the versions, no need to clear the cache of the Web viewer"); |
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637 } |
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638 |
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639 |
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640 /* Configure the cache */ |
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641 scheduler.RegisterPolicy(new ViewerPrefetchPolicy(context_)); |
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642 scheduler.Register(CacheBundle_SeriesInformation, |
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643 new SeriesInformationAdapter(context_, scheduler), 1); |
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644 scheduler.Register(CacheBundle_DecodedImage, |
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645 new DecodedImageAdapter(context_), decodingThreads); |
|
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646 |
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647 |
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648 /* Set the quotas */ |
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649 scheduler.SetQuota(CacheBundle_SeriesInformation, 1000, 0); // Keep info about 1000 series |
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650 |
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651 message = "Web viewer using a cache of " + boost::lexical_cast<std::string>(cacheSize) + " MB"; |
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652 OrthancPluginLogWarning(context_, message.c_str()); |
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653 |
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654 scheduler.SetQuota(CacheBundle_DecodedImage, 0, static_cast<uint64_t>(cacheSize) * 1024 * 1024); |
| 0 | 655 } |
| 656 catch (std::runtime_error& e) | |
| 657 { | |
| 658 OrthancPluginLogError(context_, e.what()); | |
| 659 return -1; | |
| 660 } | |
| 661 catch (Orthanc::OrthancException& e) | |
| 662 { | |
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663 if (e.GetErrorCode() == Orthanc::ErrorCode_BadFileFormat) |
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664 { |
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665 OrthancPluginLogError(context_, "Unable to read the configuration of the Web viewer plugin"); |
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666 } |
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667 else |
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668 { |
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669 OrthancPluginLogError(context_, e.What()); |
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670 } |
| 0 | 671 return -1; |
| 672 } | |
| 673 | |
| 674 | |
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675 /* Configure the DICOM decoder */ |
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676 if (enableGdcm) |
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677 { |
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678 // Replace the default decoder of DICOM images that is built in Orthanc |
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679 OrthancPluginLogWarning(context_, "Using GDCM instead of the DICOM decoder that is built in Orthanc"); |
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680 OrthancPluginRegisterDecodeImageCallback(context_, DecodeImageCallback); |
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681 } |
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682 else |
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683 { |
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684 OrthancPluginLogWarning(context_, "Using the DICOM decoder that is built in Orthanc (not using GDCM)"); |
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685 } |
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686 |
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687 |
| 0 | 688 /* Install the callbacks */ |
| 689 OrthancPluginRegisterRestCallback(context_, "/web-viewer/series/(.*)", ServeCache<CacheBundle_SeriesInformation>); | |
| 19 | 690 OrthancPluginRegisterRestCallback(context_, "/web-viewer/is-stable-series/(.*)", IsStableSeries); |
| 0 | 691 OrthancPluginRegisterRestCallback(context_, "/web-viewer/instances/(.*)", ServeCache<CacheBundle_DecodedImage>); |
| 31 | 692 OrthancPluginRegisterRestCallback(context, "/web-viewer/libs/(.*)", ServeEmbeddedFolder<Orthanc::EmbeddedResources::JAVASCRIPT_LIBS>); |
| 0 | 693 |
| 694 #if ORTHANC_STANDALONE == 1 | |
| 31 | 695 OrthancPluginRegisterRestCallback(context, "/web-viewer/app/(.*)", ServeEmbeddedFolder<Orthanc::EmbeddedResources::WEB_VIEWER>); |
| 0 | 696 #else |
| 697 OrthancPluginRegisterRestCallback(context, "/web-viewer/app/(.*)", ServeWebViewer); | |
| 698 #endif | |
| 699 | |
| 700 OrthancPluginRegisterOnChangeCallback(context, OnChangeCallback); | |
| 701 | |
| 702 | |
| 703 /* Extend the default Orthanc Explorer with custom JavaScript */ | |
| 704 std::string explorer; | |
| 31 | 705 Orthanc::EmbeddedResources::GetFileResource(explorer, Orthanc::EmbeddedResources::ORTHANC_EXPLORER); |
| 0 | 706 OrthancPluginExtendOrthancExplorer(context_, explorer.c_str()); |
| 707 | |
| 708 return 0; | |
| 709 } | |
| 710 | |
| 711 | |
| 712 ORTHANC_PLUGINS_API void OrthancPluginFinalize() | |
| 713 { | |
| 714 OrthancPluginLogWarning(context_, "Finalizing the Web viewer"); | |
| 715 | |
| 716 if (cache_ != NULL) | |
| 717 { | |
| 718 delete cache_; | |
| 719 cache_ = NULL; | |
| 720 } | |
| 721 } | |
| 722 | |
| 723 | |
| 724 ORTHANC_PLUGINS_API const char* OrthancPluginGetName() | |
| 725 { | |
| 726 return "web-viewer"; | |
| 727 } | |
| 728 | |
| 729 | |
| 730 ORTHANC_PLUGINS_API const char* OrthancPluginGetVersion() | |
| 731 { | |
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732 return ORTHANC_PLUGIN_VERSION; |
| 0 | 733 } |
| 734 } |