Mercurial > hg > orthanc-webviewer
annotate Plugin/Plugin.cpp @ 240:40a433acf26a
fix because of post-1.7.0
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 25 May 2020 12:52:17 +0200 |
| parents | cce89307af28 |
| children | 7097d0eaac76 |
| 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) 2017-2020 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/Common/OrthancPluginCppWrapper.h> |
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32 #include <Plugins/Samples/GdcmDecoder/GdcmDecoderCache.h> |
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33 |
| 0 | 34 #include <boost/thread.hpp> |
| 35 #include <boost/lexical_cast.hpp> | |
| 36 #include <EmbeddedResources.h> | |
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37 #include <boost/filesystem.hpp> |
| 0 | 38 |
| 39 | |
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40 /** |
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41 * We force the redefinition of the "ORTHANC_PLUGINS_API" macro, that |
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42 * was left empty with gcc until Orthanc SDK 1.5.7 (no "default" |
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43 * visibility). This causes the version script, if run from "Holy |
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44 * Build Box", to make private the 4 global functions of the plugin. |
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45 **/ |
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46 |
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47 #undef ORTHANC_PLUGINS_API |
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48 |
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49 #ifdef WIN32 |
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50 # define ORTHANC_PLUGINS_API __declspec(dllexport) |
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51 #elif __GNUC__ >= 4 |
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52 # define ORTHANC_PLUGINS_API __attribute__ ((visibility ("default"))) |
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53 #else |
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54 # define ORTHANC_PLUGINS_API |
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55 #endif |
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56 |
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57 |
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58 |
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59 static OrthancPluginContext* context_ = NULL; |
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60 static bool restrictTransferSyntaxes_ = false; |
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61 static std::set<std::string> enabledTransferSyntaxes_; |
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62 |
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63 |
| 0 | 64 class CacheContext |
| 65 { | |
| 66 private: | |
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67 class DynamicString : public Orthanc::IDynamicObject |
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68 { |
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69 private: |
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70 std::string value_; |
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71 |
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72 public: |
| 197 | 73 explicit DynamicString(const char* value) : value_(value) |
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74 { |
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75 } |
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76 |
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77 const std::string& GetValue() const |
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78 { |
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79 return value_; |
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80 } |
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81 }; |
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82 |
| 58 | 83 Orthanc::FilesystemStorage storage_; |
| 84 Orthanc::SQLite::Connection db_; | |
| 85 | |
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86 std::unique_ptr<OrthancPlugins::CacheManager> cache_; |
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87 std::unique_ptr<OrthancPlugins::CacheScheduler> scheduler_; |
| 0 | 88 |
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89 Orthanc::SharedMessageQueue newInstances_; |
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90 bool stop_; |
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91 boost::thread newInstancesThread_; |
| 102 | 92 OrthancPlugins::GdcmDecoderCache decoder_; |
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93 |
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94 static void NewInstancesThread(CacheContext* cache) |
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95 { |
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96 while (!cache->stop_) |
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97 { |
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98 std::unique_ptr<Orthanc::IDynamicObject> obj(cache->newInstances_.Dequeue(100)); |
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99 if (obj.get() != NULL) |
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100 { |
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101 const std::string& instanceId = dynamic_cast<DynamicString&>(*obj).GetValue(); |
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102 |
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103 // On the reception of a new instance, indalidate the parent series of the instance |
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104 std::string uri = "/instances/" + std::string(instanceId); |
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105 Json::Value instance; |
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106 if (OrthancPlugins::GetJsonFromOrthanc(instance, context_, uri)) |
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107 { |
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108 std::string seriesId = instance["ParentSeries"].asString(); |
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109 cache->GetScheduler().Invalidate(OrthancPlugins::CacheBundle_SeriesInformation, seriesId); |
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110 } |
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111 } |
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112 } |
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113 } |
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114 |
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115 |
| 0 | 116 public: |
| 197 | 117 explicit CacheContext(const std::string& path) : storage_(path), stop_(false) |
| 0 | 118 { |
| 119 boost::filesystem::path p(path); | |
| 58 | 120 db_.Open((p / "cache.db").string()); |
| 0 | 121 |
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122 cache_.reset(new OrthancPlugins::CacheManager(context_, db_, storage_)); |
| 0 | 123 //cache_->SetSanityCheckEnabled(true); // For debug |
| 124 | |
| 125 scheduler_.reset(new OrthancPlugins::CacheScheduler(*cache_, 100)); | |
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126 |
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127 newInstancesThread_ = boost::thread(NewInstancesThread, this); |
| 0 | 128 } |
| 129 | |
| 58 | 130 ~CacheContext() |
| 131 { | |
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132 stop_ = true; |
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133 if (newInstancesThread_.joinable()) |
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134 { |
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135 newInstancesThread_.join(); |
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136 } |
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137 |
| 58 | 138 scheduler_.reset(NULL); |
| 139 cache_.reset(NULL); | |
| 140 } | |
| 141 | |
| 0 | 142 OrthancPlugins::CacheScheduler& GetScheduler() |
| 143 { | |
| 144 return *scheduler_; | |
| 145 } | |
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146 |
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147 void SignalNewInstance(const char* instanceId) |
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148 { |
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149 newInstances_.Enqueue(new DynamicString(instanceId)); |
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150 } |
| 102 | 151 |
| 152 OrthancPlugins::GdcmDecoderCache& GetDecoder() | |
| 153 { | |
| 154 return decoder_; | |
| 155 } | |
| 0 | 156 }; |
| 157 | |
| 158 | |
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159 |
| 0 | 160 static CacheContext* cache_ = NULL; |
| 161 | |
| 162 | |
| 163 | |
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164 static OrthancPluginErrorCode OnChangeCallback(OrthancPluginChangeType changeType, |
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165 OrthancPluginResourceType resourceType, |
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166 const char* resourceId) |
| 0 | 167 { |
| 168 try | |
| 169 { | |
| 170 if (changeType == OrthancPluginChangeType_NewInstance && | |
| 171 resourceType == OrthancPluginResourceType_Instance) | |
| 172 { | |
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173 cache_->SignalNewInstance(resourceId); |
| 0 | 174 } |
| 175 | |
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176 return OrthancPluginErrorCode_Success; |
| 0 | 177 } |
| 178 catch (std::runtime_error& e) | |
| 179 { | |
| 180 OrthancPluginLogError(context_, e.what()); | |
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181 return OrthancPluginErrorCode_Success; // Ignore error |
| 0 | 182 } |
| 183 } | |
| 184 | |
| 185 | |
| 186 | |
| 187 template <enum OrthancPlugins::CacheBundle bundle> | |
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188 static OrthancPluginErrorCode ServeCache(OrthancPluginRestOutput* output, |
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189 const char* url, |
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190 const OrthancPluginHttpRequest* request) |
| 0 | 191 { |
| 192 try | |
| 193 { | |
| 194 if (request->method != OrthancPluginHttpMethod_Get) | |
| 195 { | |
| 196 OrthancPluginSendMethodNotAllowed(context_, output, "GET"); | |
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197 return OrthancPluginErrorCode_Success; |
| 0 | 198 } |
| 199 | |
| 200 const std::string id = request->groups[0]; | |
| 201 std::string content; | |
| 202 | |
| 203 if (cache_->GetScheduler().Access(content, bundle, id)) | |
| 204 { | |
| 205 OrthancPluginAnswerBuffer(context_, output, content.c_str(), content.size(), "application/json"); | |
| 206 } | |
| 207 else | |
| 208 { | |
| 209 OrthancPluginSendHttpStatusCode(context_, output, 404); | |
| 210 } | |
| 211 | |
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212 return OrthancPluginErrorCode_Success; |
| 0 | 213 } |
| 214 catch (Orthanc::OrthancException& e) | |
| 215 { | |
| 216 OrthancPluginLogError(context_, e.What()); | |
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217 return OrthancPluginErrorCode_Plugin; |
| 0 | 218 } |
| 219 catch (std::runtime_error& e) | |
| 220 { | |
| 221 OrthancPluginLogError(context_, e.what()); | |
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222 return OrthancPluginErrorCode_Plugin; |
| 0 | 223 } |
| 224 catch (boost::bad_lexical_cast&) | |
| 225 { | |
| 226 OrthancPluginLogError(context_, "Bad lexical cast"); | |
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227 return OrthancPluginErrorCode_Plugin; |
| 0 | 228 } |
| 229 } | |
| 230 | |
| 231 | |
| 232 | |
| 233 | |
| 234 #if ORTHANC_STANDALONE == 0 | |
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235 static OrthancPluginErrorCode ServeWebViewer(OrthancPluginRestOutput* output, |
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236 const char* url, |
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237 const OrthancPluginHttpRequest* request) |
| 0 | 238 { |
| 239 if (request->method != OrthancPluginHttpMethod_Get) | |
| 240 { | |
| 241 OrthancPluginSendMethodNotAllowed(context_, output, "GET"); | |
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242 return OrthancPluginErrorCode_Success; |
| 0 | 243 } |
| 244 | |
| 245 const std::string path = std::string(WEB_VIEWER_PATH) + std::string(request->groups[0]); | |
| 246 const char* mime = OrthancPlugins::GetMimeType(path); | |
| 247 | |
| 248 std::string s; | |
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249 try |
| 0 | 250 { |
| 160 | 251 Orthanc::SystemToolbox::ReadFile(s, path); |
| 0 | 252 const char* resource = s.size() ? s.c_str() : NULL; |
| 253 OrthancPluginAnswerBuffer(context_, output, resource, s.size(), mime); | |
| 254 } | |
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255 catch (Orthanc::OrthancException&) |
| 0 | 256 { |
| 257 std::string s = "Inexistent file in served folder: " + path; | |
| 258 OrthancPluginLogError(context_, s.c_str()); | |
| 259 OrthancPluginSendHttpStatusCode(context_, output, 404); | |
| 260 } | |
| 261 | |
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262 return OrthancPluginErrorCode_Success; |
| 0 | 263 } |
| 264 #endif | |
| 265 | |
| 266 | |
| 267 | |
| 31 | 268 template <enum Orthanc::EmbeddedResources::DirectoryResourceId folder> |
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269 static OrthancPluginErrorCode ServeEmbeddedFolder(OrthancPluginRestOutput* output, |
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270 const char* url, |
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271 const OrthancPluginHttpRequest* request) |
| 0 | 272 { |
| 273 if (request->method != OrthancPluginHttpMethod_Get) | |
| 274 { | |
| 275 OrthancPluginSendMethodNotAllowed(context_, output, "GET"); | |
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276 return OrthancPluginErrorCode_Success; |
| 0 | 277 } |
| 278 | |
| 279 std::string path = "/" + std::string(request->groups[0]); | |
| 280 const char* mime = OrthancPlugins::GetMimeType(path); | |
| 281 | |
| 282 try | |
| 283 { | |
| 284 std::string s; | |
| 31 | 285 Orthanc::EmbeddedResources::GetDirectoryResource(s, folder, path.c_str()); |
| 0 | 286 |
| 287 const char* resource = s.size() ? s.c_str() : NULL; | |
| 288 OrthancPluginAnswerBuffer(context_, output, resource, s.size(), mime); | |
| 289 | |
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290 return OrthancPluginErrorCode_Success; |
| 0 | 291 } |
| 292 catch (std::runtime_error&) | |
| 293 { | |
| 294 std::string s = "Unknown static resource in plugin: " + std::string(request->groups[0]); | |
| 295 OrthancPluginLogError(context_, s.c_str()); | |
| 296 OrthancPluginSendHttpStatusCode(context_, output, 404); | |
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297 return OrthancPluginErrorCode_Success; |
| 0 | 298 } |
| 299 } | |
| 300 | |
| 301 | |
| 302 | |
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303 static OrthancPluginErrorCode IsStableSeries(OrthancPluginRestOutput* output, |
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304 const char* url, |
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305 const OrthancPluginHttpRequest* request) |
| 19 | 306 { |
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307 try |
| 19 | 308 { |
| 309 if (request->method != OrthancPluginHttpMethod_Get) | |
| 310 { | |
| 311 OrthancPluginSendMethodNotAllowed(context_, output, "GET"); | |
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312 return OrthancPluginErrorCode_Success; |
| 19 | 313 } |
| 314 | |
| 315 const std::string id = request->groups[0]; | |
| 316 Json::Value series; | |
| 317 | |
| 318 if (OrthancPlugins::GetJsonFromOrthanc(series, context_, "/series/" + id) && | |
| 319 series.type() == Json::objectValue) | |
| 320 { | |
| 321 bool value = (series["IsStable"].asBool() || | |
| 322 series["Status"].asString() == "Complete"); | |
| 323 std::string answer = value ? "true" : "false"; | |
| 324 OrthancPluginAnswerBuffer(context_, output, answer.c_str(), answer.size(), "application/json"); | |
| 325 } | |
| 326 else | |
| 327 { | |
| 328 OrthancPluginSendHttpStatusCode(context_, output, 404); | |
| 329 } | |
| 330 | |
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331 return OrthancPluginErrorCode_Success; |
| 19 | 332 } |
| 333 catch (Orthanc::OrthancException& e) | |
| 334 { | |
| 335 OrthancPluginLogError(context_, e.What()); | |
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336 return OrthancPluginErrorCode_Plugin; |
| 19 | 337 } |
| 338 catch (std::runtime_error& e) | |
| 339 { | |
| 340 OrthancPluginLogError(context_, e.what()); | |
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341 return OrthancPluginErrorCode_Plugin; |
| 19 | 342 } |
| 343 catch (boost::bad_lexical_cast&) | |
| 344 { | |
| 345 OrthancPluginLogError(context_, "Bad lexical cast"); | |
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346 return OrthancPluginErrorCode_Plugin; |
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347 } |
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348 } |
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349 |
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350 |
|
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351 |
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352 static bool ExtractTransferSyntax(std::string& transferSyntax, |
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353 const void* dicom, |
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354 const uint32_t size) |
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355 { |
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356 Orthanc::DicomMap header; |
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357 if (!Orthanc::DicomMap::ParseDicomMetaInformation(header, reinterpret_cast<const char*>(dicom), size)) |
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358 { |
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359 return false; |
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360 } |
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361 |
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362 const Orthanc::DicomValue* tag = header.TestAndGetValue(0x0002, 0x0010); |
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363 if (tag == NULL || |
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364 tag->IsNull() || |
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365 tag->IsBinary()) |
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366 { |
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367 return false; |
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368 } |
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369 else |
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370 { |
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371 // Stripping spaces should not be required, as this is a UI value |
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372 // representation whose stripping is supported by the Orthanc |
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373 // core, but let's be careful... |
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374 transferSyntax = Orthanc::Toolbox::StripSpaces(tag->GetContent()); |
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375 return true; |
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376 } |
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377 } |
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378 |
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379 |
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380 static bool IsTransferSyntaxEnabled(const void* dicom, |
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381 const uint32_t size) |
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382 { |
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383 std::string formattedSize; |
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384 |
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385 { |
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386 char tmp[16]; |
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387 sprintf(tmp, "%0.1fMB", static_cast<float>(size) / (1024.0f * 1024.0f)); |
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388 formattedSize.assign(tmp); |
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389 } |
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390 |
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391 if (!restrictTransferSyntaxes_) |
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392 { |
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393 std::string s = "Decoding one DICOM instance of " + formattedSize + " using GDCM"; |
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394 OrthancPluginLogInfo(context_, s.c_str()); |
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395 return true; |
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396 } |
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397 |
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398 std::string transferSyntax; |
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399 if (!ExtractTransferSyntax(transferSyntax, dicom, size)) |
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400 { |
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401 std::string s = ("Cannot extract the transfer syntax of this instance of " + |
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402 formattedSize + ", will use GDCM to decode it"); |
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403 OrthancPluginLogInfo(context_, s.c_str()); |
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404 return true; |
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405 } |
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406 |
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407 if (enabledTransferSyntaxes_.find(transferSyntax) != enabledTransferSyntaxes_.end()) |
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408 { |
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409 // Decoding for this transfer syntax is enabled |
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410 std::string s = ("Using GDCM to decode this instance of " + |
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411 formattedSize + " with transfer syntax " + transferSyntax); |
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412 OrthancPluginLogInfo(context_, s.c_str()); |
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413 return true; |
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414 } |
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415 else |
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416 { |
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417 std::string s = ("Won't use GDCM to decode this instance of " + |
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418 formattedSize + ", as its transfer syntax " + transferSyntax + " is disabled"); |
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419 OrthancPluginLogInfo(context_, s.c_str()); |
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420 return false; |
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421 } |
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422 } |
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423 |
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424 |
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425 static OrthancPluginErrorCode DecodeImageCallback(OrthancPluginImage** target, |
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426 const void* dicom, |
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427 const uint32_t size, |
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428 uint32_t frameIndex) |
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429 { |
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430 try |
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431 { |
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432 if (!IsTransferSyntaxEnabled(dicom, size)) |
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433 { |
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434 *target = NULL; |
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435 return OrthancPluginErrorCode_Success; |
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436 } |
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437 |
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227
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438 std::unique_ptr<OrthancPlugins::OrthancImageWrapper> image; |
| 96 | 439 |
| 440 #if 0 | |
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441 // Do not use the cache |
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442 OrthancPlugins::GdcmImageDecoder decoder(dicom, size); |
| 96 | 443 image.reset(new OrthancPlugins::OrthancImageWrapper(context_, decoder, frameIndex)); |
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444 #else |
| 96 | 445 using namespace OrthancPlugins; |
| 102 | 446 image.reset(cache_->GetDecoder().Decode(context_, dicom, size, frameIndex)); |
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447 #endif |
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448 |
| 96 | 449 *target = image->Release(); |
| 450 | |
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451 return OrthancPluginErrorCode_Success; |
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452 } |
| 114 | 453 catch (Orthanc::OrthancException& e) |
| 454 { | |
| 455 *target = NULL; | |
| 456 | |
| 457 std::string s = "Cannot decode image using GDCM: " + std::string(e.What()); | |
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458 OrthancPluginLogWarning(context_, s.c_str()); |
| 114 | 459 return OrthancPluginErrorCode_Plugin; |
| 460 } | |
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461 catch (std::runtime_error& e) |
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462 { |
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463 *target = NULL; |
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464 |
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465 std::string s = "Cannot decode image using GDCM: " + std::string(e.what()); |
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466 OrthancPluginLogWarning(context_, s.c_str()); |
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467 return OrthancPluginErrorCode_Plugin; |
| 19 | 468 } |
| 469 } | |
| 470 | |
| 0 | 471 |
|
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472 void ParseConfiguration(bool& enableGdcm, |
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473 int& decodingThreads, |
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474 boost::filesystem::path& cachePath, |
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475 int& cacheSize) |
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476 { |
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477 /* Read the configuration of the Web viewer */ |
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478 Json::Value configuration; |
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479 if (!OrthancPlugins::ReadConfiguration(configuration, context_)) |
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480 { |
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481 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); |
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482 } |
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483 |
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484 // By default, the cache of the Web viewer is located inside the |
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485 // "StorageDirectory" of Orthanc |
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486 cachePath = OrthancPlugins::GetStringValue(configuration, "StorageDirectory", "."); |
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487 cachePath /= "WebViewerCache"; |
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488 |
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489 static const char* CONFIG_WEB_VIEWER = "WebViewer"; |
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490 if (configuration.isMember(CONFIG_WEB_VIEWER)) |
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491 { |
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492 |
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493 std::string key = "CachePath"; |
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494 if (!configuration[CONFIG_WEB_VIEWER].isMember(key)) |
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495 { |
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496 // For backward compatibility with the initial release of the Web viewer |
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497 key = "Cache"; |
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498 } |
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499 |
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500 cachePath = OrthancPlugins::GetStringValue(configuration[CONFIG_WEB_VIEWER], key, cachePath.string()); |
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501 cacheSize = OrthancPlugins::GetIntegerValue(configuration[CONFIG_WEB_VIEWER], "CacheSize", cacheSize); |
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502 decodingThreads = OrthancPlugins::GetIntegerValue(configuration[CONFIG_WEB_VIEWER], "Threads", decodingThreads); |
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503 |
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504 static const char* CONFIG_ENABLE_GDCM = "EnableGdcm"; |
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505 if (configuration[CONFIG_WEB_VIEWER].isMember(CONFIG_ENABLE_GDCM)) |
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506 { |
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507 if (configuration[CONFIG_WEB_VIEWER][CONFIG_ENABLE_GDCM].type() != Json::booleanValue) |
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508 { |
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509 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); |
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510 } |
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511 else |
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512 { |
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513 enableGdcm = configuration[CONFIG_WEB_VIEWER][CONFIG_ENABLE_GDCM].asBool(); |
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514 } |
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515 } |
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516 |
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517 if (enableGdcm) |
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518 { |
| 197 | 519 static const char* CONFIG_RESTRICT_TRANSFER_SYNTAXES = "RestrictTransferSyntaxes"; |
| 520 | |
|
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521 if (configuration[CONFIG_WEB_VIEWER].isMember(CONFIG_RESTRICT_TRANSFER_SYNTAXES)) |
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522 { |
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523 const Json::Value& config = configuration[CONFIG_WEB_VIEWER][CONFIG_RESTRICT_TRANSFER_SYNTAXES]; |
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524 |
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525 if (config.type() != Json::arrayValue) |
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526 { |
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527 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); |
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528 } |
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529 |
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530 restrictTransferSyntaxes_ = true; |
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531 for (Json::Value::ArrayIndex i = 0; i < config.size(); i++) |
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532 { |
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533 if (config[i].type() != Json::stringValue) |
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534 { |
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535 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); |
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536 } |
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537 else |
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538 { |
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539 std::string s = "Web viewer will use GDCM to decode transfer syntax " + config[i].asString(); |
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540 enabledTransferSyntaxes_.insert(config[i].asString()); |
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541 OrthancPluginLogWarning(context_, s.c_str()); |
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542 } |
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543 } |
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544 } |
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545 } |
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546 } |
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547 |
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548 if (decodingThreads <= 0 || |
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549 cacheSize <= 0) |
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550 { |
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551 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); |
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552 } |
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553 |
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554 } |
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555 |
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556 |
|
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557 static bool DisplayPerformanceWarning() |
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558 { |
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559 (void) DisplayPerformanceWarning; // Disable warning about unused function |
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560 OrthancPluginLogWarning(context_, "Performance warning in Web viewer: " |
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561 "Non-release build, runtime debug assertions are turned on"); |
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562 return true; |
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563 } |
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564 |
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565 |
| 0 | 566 extern "C" |
| 567 { | |
| 568 ORTHANC_PLUGINS_API int32_t OrthancPluginInitialize(OrthancPluginContext* context) | |
| 569 { | |
| 570 using namespace OrthancPlugins; | |
| 571 | |
|
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572 OrthancPlugins::SetGlobalContext(context); |
| 0 | 573 context_ = context; |
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574 assert(DisplayPerformanceWarning()); |
| 0 | 575 OrthancPluginLogWarning(context_, "Initializing the Web viewer"); |
| 576 | |
| 577 | |
| 578 /* Check the version of the Orthanc core */ | |
| 579 if (OrthancPluginCheckVersion(context_) == 0) | |
| 580 { | |
| 581 char info[1024]; | |
| 582 sprintf(info, "Your version of Orthanc (%s) must be above %d.%d.%d to run this plugin", | |
| 583 context_->orthancVersion, | |
| 584 ORTHANC_PLUGINS_MINIMAL_MAJOR_NUMBER, | |
| 585 ORTHANC_PLUGINS_MINIMAL_MINOR_NUMBER, | |
| 586 ORTHANC_PLUGINS_MINIMAL_REVISION_NUMBER); | |
| 587 OrthancPluginLogError(context_, info); | |
| 588 return -1; | |
| 589 } | |
| 590 | |
| 591 OrthancPluginSetDescription(context_, "Provides a Web viewer of DICOM series within Orthanc."); | |
| 592 | |
| 593 | |
| 594 /* By default, use half of the available processing cores for the decoding of DICOM images */ | |
| 595 int decodingThreads = boost::thread::hardware_concurrency() / 2; | |
| 596 if (decodingThreads == 0) | |
| 597 { | |
| 598 decodingThreads = 1; | |
| 599 } | |
| 600 | |
|
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601 /* By default, use GDCM */ |
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602 bool enableGdcm = true; |
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603 |
| 0 | 604 try |
| 605 { | |
| 197 | 606 /* By default, a cache of 100 MB is used */ |
| 607 int cacheSize = 100; | |
| 608 | |
|
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609 boost::filesystem::path cachePath; |
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610 ParseConfiguration(enableGdcm, decodingThreads, cachePath, cacheSize); |
| 0 | 611 |
| 612 std::string message = ("Web viewer using " + boost::lexical_cast<std::string>(decodingThreads) + | |
| 613 " threads for the decoding of the DICOM images"); | |
| 614 OrthancPluginLogWarning(context_, message.c_str()); | |
| 615 | |
|
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616 message = "Storing the cache of the Web viewer in folder: " + cachePath.string(); |
| 0 | 617 OrthancPluginLogWarning(context_, message.c_str()); |
| 618 | |
| 619 | |
| 620 /* Create the cache */ | |
|
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621 cache_ = new CacheContext(cachePath.string()); |
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622 CacheScheduler& scheduler = cache_->GetScheduler(); |
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623 |
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624 |
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625 /* Look for a change in the versions */ |
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626 std::string orthancVersion("unknown"), webViewerVersion("unknown"); |
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627 bool clear = false; |
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628 if (!scheduler.LookupProperty(orthancVersion, CacheProperty_OrthancVersion) || |
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629 orthancVersion != std::string(context_->orthancVersion)) |
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630 { |
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631 std::string s = ("The version of Orthanc has changed from \"" + orthancVersion + "\" to \"" + |
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632 std::string(context_->orthancVersion) + "\": The cache of the Web viewer will be cleared"); |
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633 OrthancPluginLogWarning(context_, s.c_str()); |
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634 clear = true; |
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635 } |
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636 |
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637 if (!scheduler.LookupProperty(webViewerVersion, CacheProperty_WebViewerVersion) || |
|
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638 webViewerVersion != std::string(ORTHANC_PLUGIN_VERSION)) |
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639 { |
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640 std::string s = ("The version of the Web viewer plugin has changed from \"" + webViewerVersion + "\" to \"" + |
|
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641 std::string(ORTHANC_PLUGIN_VERSION) + "\": The cache of the Web viewer will be cleared"); |
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642 OrthancPluginLogWarning(context_, s.c_str()); |
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643 clear = true; |
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644 } |
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645 |
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646 |
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647 /* Clear the cache if needed */ |
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648 if (clear) |
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649 { |
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650 OrthancPluginLogWarning(context_, "Clearing the cache of the Web viewer"); |
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651 scheduler.Clear(); |
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652 scheduler.SetProperty(CacheProperty_OrthancVersion, context_->orthancVersion); |
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653 scheduler.SetProperty(CacheProperty_WebViewerVersion, ORTHANC_PLUGIN_VERSION); |
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654 } |
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655 else |
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656 { |
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657 OrthancPluginLogInfo(context_, "No change in the versions, no need to clear the cache of the Web viewer"); |
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658 } |
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659 |
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660 |
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661 /* Configure the cache */ |
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662 scheduler.RegisterPolicy(new ViewerPrefetchPolicy(context_)); |
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663 scheduler.Register(CacheBundle_SeriesInformation, |
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664 new SeriesInformationAdapter(context_, scheduler), 1); |
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665 scheduler.Register(CacheBundle_DecodedImage, |
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666 new DecodedImageAdapter(context_), decodingThreads); |
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667 |
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668 |
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669 /* Set the quotas */ |
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670 scheduler.SetQuota(CacheBundle_SeriesInformation, 1000, 0); // Keep info about 1000 series |
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671 |
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672 message = "Web viewer using a cache of " + boost::lexical_cast<std::string>(cacheSize) + " MB"; |
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673 OrthancPluginLogWarning(context_, message.c_str()); |
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674 |
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675 scheduler.SetQuota(CacheBundle_DecodedImage, 0, static_cast<uint64_t>(cacheSize) * 1024 * 1024); |
| 0 | 676 } |
| 677 catch (std::runtime_error& e) | |
| 678 { | |
| 679 OrthancPluginLogError(context_, e.what()); | |
| 680 return -1; | |
| 681 } | |
| 682 catch (Orthanc::OrthancException& e) | |
| 683 { | |
|
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684 if (e.GetErrorCode() == Orthanc::ErrorCode_BadFileFormat) |
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685 { |
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686 OrthancPluginLogError(context_, "Unable to read the configuration of the Web viewer plugin"); |
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687 } |
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688 else |
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689 { |
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690 OrthancPluginLogError(context_, e.What()); |
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691 } |
| 0 | 692 return -1; |
| 693 } | |
| 694 | |
| 695 | |
|
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696 /* Configure the DICOM decoder */ |
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697 if (enableGdcm) |
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698 { |
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699 // Replace the default decoder of DICOM images that is built in Orthanc |
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700 OrthancPluginLogWarning(context_, "Using GDCM instead of the DICOM decoder that is built in Orthanc"); |
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701 OrthancPluginRegisterDecodeImageCallback(context_, DecodeImageCallback); |
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702 } |
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703 else |
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704 { |
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705 OrthancPluginLogWarning(context_, "Using the DICOM decoder that is built in Orthanc (not using GDCM)"); |
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706 } |
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707 |
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708 |
| 0 | 709 /* Install the callbacks */ |
|
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710 OrthancPluginRegisterRestCallbackNoLock(context_, "/web-viewer/series/(.*)", ServeCache<CacheBundle_SeriesInformation>); |
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711 OrthancPluginRegisterRestCallbackNoLock(context_, "/web-viewer/is-stable-series/(.*)", IsStableSeries); |
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712 OrthancPluginRegisterRestCallbackNoLock(context_, "/web-viewer/instances/(.*)", ServeCache<CacheBundle_DecodedImage>); |
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713 OrthancPluginRegisterRestCallbackNoLock(context, "/web-viewer/libs/(.*)", ServeEmbeddedFolder<Orthanc::EmbeddedResources::JAVASCRIPT_LIBS>); |
| 0 | 714 |
| 715 #if ORTHANC_STANDALONE == 1 | |
|
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716 OrthancPluginRegisterRestCallbackNoLock(context, "/web-viewer/app/(.*)", ServeEmbeddedFolder<Orthanc::EmbeddedResources::WEB_VIEWER>); |
| 0 | 717 #else |
|
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718 OrthancPluginRegisterRestCallbackNoLock(context, "/web-viewer/app/(.*)", ServeWebViewer); |
| 0 | 719 #endif |
| 720 | |
| 721 OrthancPluginRegisterOnChangeCallback(context, OnChangeCallback); | |
| 722 | |
| 723 | |
| 724 /* Extend the default Orthanc Explorer with custom JavaScript */ | |
| 725 std::string explorer; | |
| 31 | 726 Orthanc::EmbeddedResources::GetFileResource(explorer, Orthanc::EmbeddedResources::ORTHANC_EXPLORER); |
| 0 | 727 OrthancPluginExtendOrthancExplorer(context_, explorer.c_str()); |
| 728 | |
| 729 return 0; | |
| 730 } | |
| 731 | |
| 732 | |
| 733 ORTHANC_PLUGINS_API void OrthancPluginFinalize() | |
| 734 { | |
| 735 OrthancPluginLogWarning(context_, "Finalizing the Web viewer"); | |
| 736 | |
| 737 if (cache_ != NULL) | |
| 738 { | |
| 739 delete cache_; | |
| 740 cache_ = NULL; | |
| 741 } | |
| 742 } | |
| 743 | |
| 744 | |
| 745 ORTHANC_PLUGINS_API const char* OrthancPluginGetName() | |
| 746 { | |
| 747 return "web-viewer"; | |
| 748 } | |
| 749 | |
| 750 | |
| 751 ORTHANC_PLUGINS_API const char* OrthancPluginGetVersion() | |
| 752 { | |
|
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753 return ORTHANC_PLUGIN_VERSION; |
| 0 | 754 } |
| 755 } |