Mercurial > hg > orthanc
annotate OrthancServer/ServerContext.cpp @ 982:5983e59ac670 plugins
merge
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 30 Jun 2014 17:44:38 +0200 |
parents | b3f6fb1130cd |
children | 8c67382f44a7 |
rev | line source |
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224 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
689 | 3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, |
224 | 4 * Belgium |
5 * | |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU General Public License as | |
8 * published by the Free Software Foundation, either version 3 of the | |
9 * License, or (at your option) any later version. | |
10 * | |
11 * In addition, as a special exception, the copyright holders of this | |
12 * program give permission to link the code of its release with the | |
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
14 * that use the same license as the "OpenSSL" library), and distribute | |
15 * the linked executables. You must obey the GNU General Public License | |
16 * in all respects for all of the code used other than "OpenSSL". If you | |
17 * modify file(s) with this exception, you may extend this exception to | |
18 * your version of the file(s), but you are not obligated to do so. If | |
19 * you do not wish to do so, delete this exception statement from your | |
20 * version. If you delete this exception statement from all source files | |
21 * in the program, then also delete it here. | |
22 * | |
23 * This program is distributed in the hope that it will be useful, but | |
24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
26 * General Public License for more details. | |
27 * | |
28 * You should have received a copy of the GNU General Public License | |
29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
30 **/ | |
31 | |
32 | |
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33 #include "PrecompiledHeadersServer.h" |
224 | 34 #include "ServerContext.h" |
35 | |
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36 #include "../Core/HttpServer/FilesystemHttpSender.h" |
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37 #include "../Core/Lua/LuaFunctionCall.h" |
795 | 38 #include "FromDcmtkBridge.h" |
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39 #include "ServerToolbox.h" |
771 | 40 #include "OrthancInitialization.h" |
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41 |
224 | 42 #include <glog/logging.h> |
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43 #include <EmbeddedResources.h> |
794 | 44 #include <dcmtk/dcmdata/dcfilefo.h> |
224 | 45 |
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46 #define ENABLE_DICOM_CACHE 1 |
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47 |
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48 static const char* RECEIVED_INSTANCE_FILTER = "ReceivedInstanceFilter"; |
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49 |
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50 static const size_t DICOM_CACHE_SIZE = 2; |
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51 |
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52 /** |
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53 * IMPORTANT: We make the assumption that the same instance of |
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54 * FileStorage can be accessed from multiple threads. This seems OK |
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55 * since the filesystem implements the required locking mechanisms, |
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56 * but maybe a read-writer lock on the "FileStorage" could be |
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57 * useful. Conversely, "ServerIndex" already implements mutex-based |
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58 * locking. |
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59 **/ |
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60 |
224 | 61 namespace Orthanc |
62 { | |
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63 ServerContext::ServerContext(const boost::filesystem::path& storagePath, |
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64 const boost::filesystem::path& indexPath) : |
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65 storage_(storagePath.string()), |
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66 index_(*this, indexPath.string()), |
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67 accessor_(storage_), |
656 | 68 compressionEnabled_(false), |
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69 provider_(*this), |
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70 dicomCache_(provider_, DICOM_CACHE_SIZE) |
224 | 71 { |
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72 scu_.SetLocalApplicationEntityTitle(Configuration::GetGlobalStringParameter("DicomAet", "ORTHANC")); |
774 | 73 //scu_.SetMillisecondsBeforeClose(1); // The connection is always released |
74 | |
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75 lua_.Execute(Orthanc::EmbeddedResources::LUA_TOOLBOX); |
224 | 76 } |
77 | |
236 | 78 void ServerContext::SetCompressionEnabled(bool enabled) |
79 { | |
80 if (enabled) | |
81 LOG(WARNING) << "Disk compression is enabled"; | |
82 else | |
83 LOG(WARNING) << "Disk compression is disabled"; | |
84 | |
85 compressionEnabled_ = enabled; | |
86 } | |
87 | |
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88 void ServerContext::RemoveFile(const std::string& fileUuid) |
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89 { |
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90 storage_.Remove(fileUuid); |
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91 } |
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92 |
304 | 93 StoreStatus ServerContext::Store(const char* dicomInstance, |
224 | 94 size_t dicomSize, |
95 const DicomMap& dicomSummary, | |
96 const Json::Value& dicomJson, | |
97 const std::string& remoteAet) | |
98 { | |
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99 // Test if the instance must be filtered out |
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100 if (lua_.IsExistingFunction(RECEIVED_INSTANCE_FILTER)) |
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101 { |
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102 Json::Value simplified; |
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103 SimplifyTags(simplified, dicomJson); |
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104 |
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105 LuaFunctionCall call(lua_, RECEIVED_INSTANCE_FILTER); |
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106 call.PushJSON(simplified); |
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107 call.PushString(remoteAet); |
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108 |
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109 if (!call.ExecutePredicate()) |
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110 { |
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111 LOG(INFO) << "An incoming instance has been discarded by the filter"; |
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112 return StoreStatus_FilteredOut; |
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113 } |
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114 } |
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115 |
236 | 116 if (compressionEnabled_) |
117 { | |
118 accessor_.SetCompressionForNextOperations(CompressionType_Zlib); | |
119 } | |
120 else | |
121 { | |
122 accessor_.SetCompressionForNextOperations(CompressionType_None); | |
123 } | |
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124 |
304 | 125 FileInfo dicomInfo = accessor_.Write(dicomInstance, dicomSize, FileContentType_Dicom); |
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126 FileInfo jsonInfo = accessor_.Write(dicomJson.toStyledString(), FileContentType_DicomAsJson); |
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127 |
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128 ServerIndex::Attachments attachments; |
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129 attachments.push_back(dicomInfo); |
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130 attachments.push_back(jsonInfo); |
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131 |
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132 StoreStatus status = index_.Store(dicomSummary, attachments, remoteAet); |
224 | 133 |
134 if (status != StoreStatus_Success) | |
135 { | |
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136 storage_.Remove(dicomInfo.GetUuid()); |
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137 storage_.Remove(jsonInfo.GetUuid()); |
224 | 138 } |
139 | |
140 switch (status) | |
141 { | |
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142 case StoreStatus_Success: |
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143 LOG(INFO) << "New instance stored"; |
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144 break; |
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145 |
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146 case StoreStatus_AlreadyStored: |
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147 LOG(INFO) << "Already stored"; |
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148 break; |
224 | 149 |
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150 case StoreStatus_Failure: |
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151 LOG(ERROR) << "Store failure"; |
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152 break; |
224 | 153 |
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154 default: |
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155 // This should never happen |
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156 break; |
224 | 157 } |
158 | |
159 return status; | |
160 } | |
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161 |
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162 |
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163 void ServerContext::AnswerDicomFile(RestApiOutput& output, |
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164 const std::string& instancePublicId, |
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165 FileContentType content) |
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166 { |
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167 FileInfo attachment; |
236 | 168 if (!index_.LookupAttachment(attachment, instancePublicId, content)) |
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169 { |
236 | 170 throw OrthancException(ErrorCode_InternalError); |
171 } | |
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172 |
236 | 173 accessor_.SetCompressionForNextOperations(attachment.GetCompressionType()); |
320 | 174 |
236 | 175 std::auto_ptr<HttpFileSender> sender(accessor_.ConstructHttpFileSender(attachment.GetUuid())); |
320 | 176 sender->SetContentType("application/dicom"); |
177 sender->SetDownloadFilename(instancePublicId + ".dcm"); | |
236 | 178 output.AnswerFile(*sender); |
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179 } |
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180 |
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181 |
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182 void ServerContext::ReadJson(Json::Value& result, |
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183 const std::string& instancePublicId) |
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184 { |
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185 std::string s; |
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186 ReadFile(s, instancePublicId, FileContentType_DicomAsJson); |
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187 |
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188 Json::Reader reader; |
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189 if (!reader.parse(s, result)) |
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190 { |
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191 throw OrthancException("Corrupted JSON file"); |
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192 } |
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193 } |
227
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194 |
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195 |
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196 void ServerContext::ReadFile(std::string& result, |
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197 const std::string& instancePublicId, |
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198 FileContentType content, |
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199 bool uncompressIfNeeded) |
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200 { |
232
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201 FileInfo attachment; |
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202 if (!index_.LookupAttachment(attachment, instancePublicId, content)) |
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203 { |
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204 throw OrthancException(ErrorCode_InternalError); |
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205 } |
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206 |
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207 if (uncompressIfNeeded) |
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208 { |
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209 accessor_.SetCompressionForNextOperations(attachment.GetCompressionType()); |
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210 } |
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211 else |
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212 { |
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213 accessor_.SetCompressionForNextOperations(CompressionType_None); |
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214 } |
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215 |
232
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216 accessor_.Read(result, attachment.GetUuid()); |
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217 } |
285
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218 |
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219 |
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220 IDynamicObject* ServerContext::DicomCacheProvider::Provide(const std::string& instancePublicId) |
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221 { |
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222 std::string content; |
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223 context_.ReadFile(content, instancePublicId, FileContentType_Dicom); |
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224 return new ParsedDicomFile(content); |
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225 } |
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226 |
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227 |
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228 ServerContext::DicomCacheLocker::DicomCacheLocker(ServerContext& that, |
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229 const std::string& instancePublicId) : |
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230 that_(that) |
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231 { |
291
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232 #if ENABLE_DICOM_CACHE == 0 |
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233 static std::auto_ptr<IDynamicObject> p; |
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234 p.reset(provider_.Provide(instancePublicId)); |
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235 dicom_ = dynamic_cast<ParsedDicomFile*>(p.get()); |
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236 #else |
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237 that_.dicomCacheMutex_.lock(); |
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238 dicom_ = &dynamic_cast<ParsedDicomFile&>(that_.dicomCache_.Access(instancePublicId)); |
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239 #endif |
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240 } |
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241 |
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242 |
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243 ServerContext::DicomCacheLocker::~DicomCacheLocker() |
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244 { |
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245 #if ENABLE_DICOM_CACHE == 0 |
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246 #else |
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247 that_.dicomCacheMutex_.unlock(); |
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248 #endif |
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249 } |
304 | 250 |
251 | |
792 | 252 static DcmFileFormat& GetDicom(ParsedDicomFile& file) |
253 { | |
254 return *reinterpret_cast<DcmFileFormat*>(file.GetDcmtkObject()); | |
255 } | |
256 | |
257 | |
304 | 258 StoreStatus ServerContext::Store(std::string& resultPublicId, |
791 | 259 ParsedDicomFile& dicomInstance, |
304 | 260 const char* dicomBuffer, |
261 size_t dicomSize) | |
262 { | |
263 DicomMap dicomSummary; | |
792 | 264 FromDcmtkBridge::Convert(dicomSummary, *GetDicom(dicomInstance).getDataset()); |
304 | 265 |
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266 try |
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267 { |
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268 DicomInstanceHasher hasher(dicomSummary); |
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269 resultPublicId = hasher.HashInstance(); |
304 | 270 |
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271 Json::Value dicomJson; |
792 | 272 FromDcmtkBridge::ToJson(dicomJson, *GetDicom(dicomInstance).getDataset()); |
304 | 273 |
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274 StoreStatus status = StoreStatus_Failure; |
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275 if (dicomSize > 0) |
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276 { |
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277 status = Store(dicomBuffer, dicomSize, dicomSummary, dicomJson, ""); |
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278 } |
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279 |
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280 return status; |
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281 } |
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282 catch (OrthancException& e) |
304 | 283 { |
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284 if (e.GetErrorCode() == ErrorCode_InexistentTag) |
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285 { |
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286 LogMissingRequiredTag(dicomSummary); |
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287 } |
304 | 288 |
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289 throw; |
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290 } |
304 | 291 } |
292 | |
293 | |
294 StoreStatus ServerContext::Store(std::string& resultPublicId, | |
791 | 295 ParsedDicomFile& dicomInstance) |
304 | 296 { |
297 std::string buffer; | |
792 | 298 if (!FromDcmtkBridge::SaveToMemoryBuffer(buffer, GetDicom(dicomInstance).getDataset())) |
304 | 299 { |
300 throw OrthancException(ErrorCode_InternalError); | |
301 } | |
302 | |
303 if (buffer.size() == 0) | |
304 return Store(resultPublicId, dicomInstance, NULL, 0); | |
305 else | |
306 return Store(resultPublicId, dicomInstance, &buffer[0], buffer.size()); | |
307 } | |
308 | |
309 | |
310 StoreStatus ServerContext::Store(std::string& resultPublicId, | |
311 const char* dicomBuffer, | |
312 size_t dicomSize) | |
313 { | |
314 ParsedDicomFile dicom(dicomBuffer, dicomSize); | |
791 | 315 return Store(resultPublicId, dicom, dicomBuffer, dicomSize); |
304 | 316 } |
317 | |
791 | 318 |
319 StoreStatus ServerContext::Store(std::string& resultPublicId, | |
320 const std::string& dicomContent) | |
321 { | |
322 if (dicomContent.size() == 0) | |
323 { | |
324 return Store(resultPublicId, NULL, 0); | |
325 } | |
326 else | |
327 { | |
328 return Store(resultPublicId, &dicomContent[0], dicomContent.size()); | |
329 } | |
330 } | |
331 | |
332 | |
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333 void ServerContext::SetStoreMD5ForAttachments(bool storeMD5) |
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334 { |
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335 LOG(INFO) << "Storing MD5 for attachments: " << (storeMD5 ? "yes" : "no"); |
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336 accessor_.SetStoreMD5(storeMD5); |
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337 } |
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338 |
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339 |
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340 bool ServerContext::AddAttachment(const std::string& resourceId, |
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341 FileContentType attachmentType, |
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342 const void* data, |
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343 size_t size) |
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344 { |
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345 LOG(INFO) << "Adding attachment " << EnumerationToString(attachmentType) << " to resource " << resourceId; |
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346 |
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347 if (compressionEnabled_) |
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348 { |
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349 accessor_.SetCompressionForNextOperations(CompressionType_Zlib); |
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350 } |
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351 else |
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352 { |
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353 accessor_.SetCompressionForNextOperations(CompressionType_None); |
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354 } |
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355 |
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356 FileInfo info = accessor_.Write(data, size, attachmentType); |
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357 StoreStatus status = index_.AddAttachment(info, resourceId); |
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358 |
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359 if (status != StoreStatus_Success) |
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360 { |
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361 storage_.Remove(info.GetUuid()); |
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362 return false; |
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363 } |
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364 else |
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365 { |
2929e17f8447
add attachments to resources
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
697
diff
changeset
|
366 return true; |
2929e17f8447
add attachments to resources
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
697
diff
changeset
|
367 } |
2929e17f8447
add attachments to resources
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
697
diff
changeset
|
368 } |
224 | 369 } |