Mercurial > hg > orthanc
annotate OrthancServer/ServerContext.cpp @ 1548:e9325f3ac496
Bypass zlib uncompression if "StorageCompression" is enabled and HTTP client supports deflate
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 14 Aug 2015 11:52:03 +0200 |
parents | f9b0169eb6bb |
children | e5e975e9b738 |
rev | line source |
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224 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
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3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
224 | 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" |
1525 | 37 #include "../Core/HttpServer/HttpStreamTranscoder.h" |
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38 #include "../Core/Logging.h" |
795 | 39 #include "FromDcmtkBridge.h" |
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40 #include "ServerToolbox.h" |
771 | 41 #include "OrthancInitialization.h" |
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42 |
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43 #include <EmbeddedResources.h> |
794 | 44 #include <dcmtk/dcmdata/dcfilefo.h> |
224 | 45 |
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46 |
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47 #include "Scheduler/CallSystemCommand.h" |
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48 #include "Scheduler/DeleteInstanceCommand.h" |
1008 | 49 #include "Scheduler/ModifyInstanceCommand.h" |
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50 #include "Scheduler/StoreScuCommand.h" |
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51 #include "Scheduler/StorePeerCommand.h" |
1010 | 52 #include "OrthancRestApi/OrthancRestApi.h" |
1133 | 53 #include "../Plugins/Engine/OrthancPlugins.h" |
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54 |
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55 |
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56 #define ENABLE_DICOM_CACHE 1 |
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57 |
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58 static const size_t DICOM_CACHE_SIZE = 2; |
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59 |
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60 /** |
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61 * IMPORTANT: We make the assumption that the same instance of |
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62 * FileStorage can be accessed from multiple threads. This seems OK |
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63 * since the filesystem implements the required locking mechanisms, |
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64 * but maybe a read-writer lock on the "FileStorage" could be |
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65 * useful. Conversely, "ServerIndex" already implements mutex-based |
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66 * locking. |
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67 **/ |
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68 |
224 | 69 namespace Orthanc |
70 { | |
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71 void ServerContext::ChangeThread(ServerContext* that) |
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72 { |
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73 while (!that->done_) |
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74 { |
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75 std::auto_ptr<IDynamicObject> obj(that->pendingChanges_.Dequeue(100)); |
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76 |
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77 if (obj.get() != NULL) |
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78 { |
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79 const ServerIndexChange& change = dynamic_cast<const ServerIndexChange&>(*obj.get()); |
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80 |
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81 boost::recursive_mutex::scoped_lock lock(that->listenersMutex_); |
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82 for (ServerListeners::iterator it = that->listeners_.begin(); |
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83 it != that->listeners_.end(); ++it) |
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84 { |
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85 try |
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86 { |
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87 it->GetListener().SignalChange(change); |
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88 } |
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89 catch (OrthancException& e) |
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90 { |
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91 LOG(ERROR) << "Error in the " << it->GetDescription() |
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92 << " callback while signaling a change: " << e.What(); |
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93 } |
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94 } |
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95 } |
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96 } |
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97 } |
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98 |
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99 |
1247 | 100 ServerContext::ServerContext(IDatabaseWrapper& database) : |
101 index_(*this, database), | |
656 | 102 compressionEnabled_(false), |
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103 provider_(*this), |
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104 dicomCache_(provider_, DICOM_CACHE_SIZE), |
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105 scheduler_(Configuration::GetGlobalIntegerParameter("LimitJobs", 10)), |
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106 lua_(*this), |
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107 plugins_(NULL), |
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108 done_(false), |
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109 queryRetrieveArchive_(Configuration::GetGlobalIntegerParameter("QueryRetrieveSize", 10)), |
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110 defaultLocalAet_(Configuration::GetGlobalStringParameter("DicomAet", "ORTHANC")) |
224 | 111 { |
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112 uint64_t s = Configuration::GetGlobalIntegerParameter("DicomAssociationCloseDelay", 5); // In seconds |
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113 scu_.SetMillisecondsBeforeClose(s * 1000); // Milliseconds are expected here |
774 | 114 |
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115 listeners_.push_back(ServerListener(lua_, "Lua")); |
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116 |
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117 changeThread_ = boost::thread(ChangeThread, this); |
224 | 118 } |
119 | |
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120 |
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121 |
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122 ServerContext::~ServerContext() |
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123 { |
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124 if (!done_) |
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125 { |
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126 LOG(ERROR) << "INTERNAL ERROR: ServerContext::Stop() should be invoked manually to avoid mess in the destruction order!"; |
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127 Stop(); |
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128 } |
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129 } |
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130 |
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131 |
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132 void ServerContext::Stop() |
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133 { |
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134 if (!done_) |
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135 { |
1459 | 136 { |
137 boost::recursive_mutex::scoped_lock lock(listenersMutex_); | |
138 listeners_.clear(); | |
139 } | |
140 | |
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141 done_ = true; |
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142 |
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143 if (changeThread_.joinable()) |
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144 { |
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145 changeThread_.join(); |
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146 } |
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147 |
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148 scu_.Finalize(); |
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149 |
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150 // Do not change the order below! |
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151 scheduler_.Stop(); |
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152 index_.Stop(); |
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153 } |
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154 } |
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155 |
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156 |
236 | 157 void ServerContext::SetCompressionEnabled(bool enabled) |
158 { | |
159 if (enabled) | |
160 LOG(WARNING) << "Disk compression is enabled"; | |
161 else | |
162 LOG(WARNING) << "Disk compression is disabled"; | |
163 | |
164 compressionEnabled_ = enabled; | |
165 } | |
166 | |
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167 void ServerContext::RemoveFile(const std::string& fileUuid, |
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168 FileContentType type) |
227
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169 { |
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170 accessor_.Remove(fileUuid, type); |
227
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171 } |
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172 |
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173 |
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174 StoreStatus ServerContext::Store(std::string& resultPublicId, |
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175 DicomInstanceToStore& dicom) |
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176 { |
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177 try |
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178 { |
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179 DicomInstanceHasher hasher(dicom.GetSummary()); |
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180 resultPublicId = hasher.HashInstance(); |
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181 |
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182 Json::Value simplified; |
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183 SimplifyTags(simplified, dicom.GetJson()); |
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184 |
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185 // Test if the instance must be filtered out |
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186 bool accepted = true; |
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187 |
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188 { |
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189 boost::recursive_mutex::scoped_lock lock(listenersMutex_); |
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190 |
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191 for (ServerListeners::iterator it = listeners_.begin(); it != listeners_.end(); ++it) |
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192 { |
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193 try |
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194 { |
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195 if (!it->GetListener().FilterIncomingInstance(simplified, dicom.GetRemoteAet())) |
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196 { |
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197 accepted = false; |
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198 break; |
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199 } |
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200 } |
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201 catch (OrthancException& e) |
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202 { |
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203 LOG(ERROR) << "Error in the " << it->GetDescription() |
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204 << " callback while receiving an instance: " << e.What(); |
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205 throw; |
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206 } |
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207 } |
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208 } |
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209 |
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210 if (!accepted) |
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211 { |
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212 LOG(INFO) << "An incoming instance has been discarded by the filter"; |
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213 return StoreStatus_FilteredOut; |
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214 } |
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215 |
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216 if (compressionEnabled_) |
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217 { |
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218 // TODO Should we use "gzip" instead? |
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219 accessor_.SetCompressionForNextOperations(CompressionType_ZlibWithSize); |
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220 } |
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221 else |
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222 { |
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223 accessor_.SetCompressionForNextOperations(CompressionType_None); |
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224 } |
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225 |
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226 FileInfo dicomInfo = accessor_.Write(dicom.GetBufferData(), dicom.GetBufferSize(), FileContentType_Dicom); |
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227 FileInfo jsonInfo = accessor_.Write(dicom.GetJson().toStyledString(), FileContentType_DicomAsJson); |
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228 |
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229 ServerIndex::Attachments attachments; |
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230 attachments.push_back(dicomInfo); |
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231 attachments.push_back(jsonInfo); |
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232 |
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233 typedef std::map<MetadataType, std::string> InstanceMetadata; |
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234 InstanceMetadata instanceMetadata; |
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235 StoreStatus status = index_.Store(instanceMetadata, dicom.GetSummary(), attachments, |
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236 dicom.GetRemoteAet(), dicom.GetMetadata()); |
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237 |
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238 // Only keep the metadata for the "instance" level |
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239 dicom.GetMetadata().clear(); |
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240 |
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241 for (InstanceMetadata::const_iterator it = instanceMetadata.begin(); |
1304 | 242 it != instanceMetadata.end(); ++it) |
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243 { |
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244 dicom.GetMetadata().insert(std::make_pair(std::make_pair(ResourceType_Instance, it->first), |
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245 it->second)); |
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246 } |
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247 |
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248 if (status != StoreStatus_Success) |
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249 { |
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250 accessor_.Remove(dicomInfo.GetUuid(), FileContentType_Dicom); |
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251 accessor_.Remove(jsonInfo.GetUuid(), FileContentType_DicomAsJson); |
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252 } |
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253 |
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254 switch (status) |
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255 { |
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256 case StoreStatus_Success: |
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257 LOG(INFO) << "New instance stored"; |
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258 break; |
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259 |
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260 case StoreStatus_AlreadyStored: |
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261 LOG(INFO) << "Already stored"; |
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262 break; |
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263 |
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264 case StoreStatus_Failure: |
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265 LOG(ERROR) << "Store failure"; |
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266 break; |
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267 |
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268 default: |
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269 // This should never happen |
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270 break; |
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271 } |
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272 |
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273 if (status == StoreStatus_Success || |
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274 status == StoreStatus_AlreadyStored) |
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275 { |
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276 boost::recursive_mutex::scoped_lock lock(listenersMutex_); |
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277 |
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278 for (ServerListeners::iterator it = listeners_.begin(); it != listeners_.end(); ++it) |
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279 { |
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280 try |
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281 { |
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282 it->GetListener().SignalStoredInstance(resultPublicId, dicom, simplified); |
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283 } |
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284 catch (OrthancException& e) |
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285 { |
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286 LOG(ERROR) << "Error in the " << it->GetDescription() |
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287 << " callback while receiving an instance: " << e.What(); |
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288 } |
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289 } |
1004
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290 } |
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291 |
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292 return status; |
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293 } |
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294 catch (OrthancException& e) |
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295 { |
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296 if (e.GetErrorCode() == ErrorCode_InexistentTag) |
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297 { |
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298 LogMissingRequiredTag(dicom.GetSummary()); |
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299 } |
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300 |
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301 throw; |
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302 } |
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303 } |
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304 |
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305 |
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306 |
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307 void ServerContext::AnswerAttachment(RestApiOutput& output, |
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308 const std::string& instancePublicId, |
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309 FileContentType content) |
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310 { |
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311 FileInfo attachment; |
236 | 312 if (!index_.LookupAttachment(attachment, instancePublicId, content)) |
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313 { |
236 | 314 throw OrthancException(ErrorCode_InternalError); |
315 } | |
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316 |
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317 IStorageArea& area = accessor_.GetStorageArea(); |
320 | 318 |
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319 BufferHttpSender sender; |
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320 area.Read(sender.GetBuffer(), attachment.GetUuid(), content); |
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321 sender.SetContentType(GetMimeType(content)); |
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322 sender.SetContentFilename(attachment.GetUuid() + std::string(GetFileExtension(content))); |
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323 |
1525 | 324 HttpStreamTranscoder transcoder(sender, attachment.GetCompressionType()); |
325 output.AnswerStream(transcoder); | |
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326 } |
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327 |
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328 |
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329 void ServerContext::ReadJson(Json::Value& result, |
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330 const std::string& instancePublicId) |
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331 { |
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332 std::string s; |
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333 ReadFile(s, instancePublicId, FileContentType_DicomAsJson); |
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334 |
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335 Json::Reader reader; |
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336 if (!reader.parse(s, result)) |
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337 { |
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338 throw OrthancException("Corrupted JSON file"); |
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339 } |
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340 } |
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341 |
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342 |
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343 void ServerContext::ReadFile(std::string& result, |
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344 const std::string& instancePublicId, |
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345 FileContentType content, |
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346 bool uncompressIfNeeded) |
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347 { |
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348 FileInfo attachment; |
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349 if (!index_.LookupAttachment(attachment, instancePublicId, content)) |
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350 { |
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351 throw OrthancException(ErrorCode_InternalError); |
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352 } |
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353 |
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354 if (uncompressIfNeeded) |
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355 { |
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356 accessor_.SetCompressionForNextOperations(attachment.GetCompressionType()); |
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357 } |
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358 else |
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359 { |
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360 accessor_.SetCompressionForNextOperations(CompressionType_None); |
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361 } |
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362 |
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363 accessor_.Read(result, attachment.GetUuid(), attachment.GetContentType()); |
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364 } |
285
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365 |
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366 |
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367 IDynamicObject* ServerContext::DicomCacheProvider::Provide(const std::string& instancePublicId) |
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368 { |
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369 std::string content; |
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370 context_.ReadFile(content, instancePublicId, FileContentType_Dicom); |
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371 return new ParsedDicomFile(content); |
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372 } |
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373 |
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374 |
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375 ServerContext::DicomCacheLocker::DicomCacheLocker(ServerContext& that, |
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376 const std::string& instancePublicId) : |
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377 that_(that), |
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378 lock_(that_.dicomCacheMutex_) |
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379 { |
291
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380 #if ENABLE_DICOM_CACHE == 0 |
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381 static std::auto_ptr<IDynamicObject> p; |
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382 p.reset(provider_.Provide(instancePublicId)); |
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383 dicom_ = dynamic_cast<ParsedDicomFile*>(p.get()); |
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384 #else |
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385 dicom_ = &dynamic_cast<ParsedDicomFile&>(that_.dicomCache_.Access(instancePublicId)); |
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386 #endif |
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387 } |
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388 |
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389 |
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390 ServerContext::DicomCacheLocker::~DicomCacheLocker() |
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391 { |
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392 } |
304 | 393 |
394 | |
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395 void ServerContext::SetStoreMD5ForAttachments(bool storeMD5) |
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396 { |
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397 LOG(INFO) << "Storing MD5 for attachments: " << (storeMD5 ? "yes" : "no"); |
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398 accessor_.SetStoreMD5(storeMD5); |
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399 } |
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400 |
699
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401 |
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402 bool ServerContext::AddAttachment(const std::string& resourceId, |
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403 FileContentType attachmentType, |
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404 const void* data, |
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405 size_t size) |
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406 { |
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407 LOG(INFO) << "Adding attachment " << EnumerationToString(attachmentType) << " to resource " << resourceId; |
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408 |
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409 if (compressionEnabled_) |
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410 { |
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411 // TODO Should we use "gzip" instead? |
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412 accessor_.SetCompressionForNextOperations(CompressionType_ZlibWithSize); |
699
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413 } |
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414 else |
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415 { |
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416 accessor_.SetCompressionForNextOperations(CompressionType_None); |
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417 } |
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418 |
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419 FileInfo info = accessor_.Write(data, size, attachmentType); |
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420 StoreStatus status = index_.AddAttachment(info, resourceId); |
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421 |
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422 if (status != StoreStatus_Success) |
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423 { |
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424 accessor_.Remove(info.GetUuid(), info.GetContentType()); |
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425 return false; |
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426 } |
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427 else |
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428 { |
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429 return true; |
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430 } |
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431 } |
1145
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432 |
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433 |
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434 bool ServerContext::DeleteResource(Json::Value& target, |
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435 const std::string& uuid, |
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436 ResourceType expectedType) |
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437 { |
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438 return index_.DeleteResource(target, uuid, expectedType); |
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439 } |
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440 |
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441 |
1198 | 442 void ServerContext::SignalChange(const ServerIndexChange& change) |
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443 { |
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444 pendingChanges_.Enqueue(change.Clone()); |
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445 } |
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446 |
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447 |
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448 void ServerContext::SetPlugins(OrthancPlugins& plugins) |
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449 { |
1459 | 450 boost::recursive_mutex::scoped_lock lock(listenersMutex_); |
451 | |
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452 plugins_ = &plugins; |
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453 |
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454 // TODO REFACTOR THIS |
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455 listeners_.clear(); |
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456 listeners_.push_back(ServerListener(lua_, "Lua")); |
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457 listeners_.push_back(ServerListener(plugins, "plugin")); |
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458 } |
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459 |
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Introspection of plugins, Plugins can extend Orthanc Explorer with custom JavaScript
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460 |
1434
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461 void ServerContext::ResetPlugins() |
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462 { |
1459 | 463 boost::recursive_mutex::scoped_lock lock(listenersMutex_); |
464 | |
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465 plugins_ = NULL; |
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466 |
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467 // TODO REFACTOR THIS |
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468 listeners_.clear(); |
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469 listeners_.push_back(ServerListener(lua_, "Lua")); |
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470 } |
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471 |
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472 |
1434
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473 bool ServerContext::HasPlugins() const |
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474 { |
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475 return (plugins_ != NULL); |
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476 } |
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477 |
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478 |
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479 const OrthancPlugins& ServerContext::GetPlugins() const |
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480 { |
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481 if (HasPlugins()) |
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Introspection of plugins, Plugins can extend Orthanc Explorer with custom JavaScript
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482 { |
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Introspection of plugins, Plugins can extend Orthanc Explorer with custom JavaScript
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483 return *plugins_; |
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484 } |
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Introspection of plugins, Plugins can extend Orthanc Explorer with custom JavaScript
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485 else |
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Introspection of plugins, Plugins can extend Orthanc Explorer with custom JavaScript
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486 { |
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487 throw OrthancException(ErrorCode_InternalError); |
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488 } |
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489 } |
224 | 490 } |