Mercurial > hg > orthanc-stone
annotate Framework/Oracle/GenericOracleRunner.cpp @ 1110:b82b74d13830 broker
ParseDicomFileCommand
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 31 Oct 2019 15:05:46 +0100 |
| parents | 98cdfe5768a4 |
| children | 3730956f41a5 |
| rev | line source |
|---|---|
| 1077 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 5 * Copyright (C) 2017-2019 Osimis S.A., Belgium | |
| 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 | |
| 22 #include "GenericOracleRunner.h" | |
| 23 | |
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24 #if !defined(ORTHANC_ENABLE_DCMTK) |
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25 # error The macro ORTHANC_ENABLE_DCMTK must be defined |
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26 #endif |
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27 |
| 1077 | 28 #include "CustomOracleCommand.h" |
| 29 #include "GetOrthancImageCommand.h" | |
| 30 #include "GetOrthancWebViewerJpegCommand.h" | |
| 31 #include "HttpCommand.h" | |
| 32 #include "OracleCommandExceptionMessage.h" | |
| 33 #include "OrthancRestApiCommand.h" | |
| 1104 | 34 #include "ReadFileCommand.h" |
| 1077 | 35 |
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36 #if ORTHANC_ENABLE_DCMTK == 1 |
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37 # include "ParseDicomFileCommand.h" |
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38 # include <dcmtk/dcmdata/dcdeftag.h> |
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39 #endif |
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40 |
| 1077 | 41 #include <Core/Compression/GzipCompressor.h> |
| 42 #include <Core/HttpClient.h> | |
| 43 #include <Core/OrthancException.h> | |
| 44 #include <Core/Toolbox.h> | |
| 1104 | 45 #include <Core/SystemToolbox.h> |
| 46 | |
| 47 #include <boost/filesystem.hpp> | |
| 1077 | 48 |
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49 |
| 1077 | 50 namespace OrthancStone |
| 51 { | |
| 52 static void CopyHttpHeaders(Orthanc::HttpClient& client, | |
| 53 const Orthanc::HttpClient::HttpHeaders& headers) | |
| 54 { | |
| 55 for (Orthanc::HttpClient::HttpHeaders::const_iterator | |
| 56 it = headers.begin(); it != headers.end(); it++ ) | |
| 57 { | |
| 58 client.AddHeader(it->first, it->second); | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 | |
| 63 static void DecodeAnswer(std::string& answer, | |
| 64 const Orthanc::HttpClient::HttpHeaders& headers) | |
| 65 { | |
| 66 Orthanc::HttpCompression contentEncoding = Orthanc::HttpCompression_None; | |
| 67 | |
| 68 for (Orthanc::HttpClient::HttpHeaders::const_iterator it = headers.begin(); | |
| 69 it != headers.end(); ++it) | |
| 70 { | |
| 71 std::string s; | |
| 72 Orthanc::Toolbox::ToLowerCase(s, it->first); | |
| 73 | |
| 74 if (s == "content-encoding") | |
| 75 { | |
| 76 if (it->second == "gzip") | |
| 77 { | |
| 78 contentEncoding = Orthanc::HttpCompression_Gzip; | |
| 79 } | |
| 80 else | |
| 81 { | |
| 82 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol, | |
| 83 "Unsupported HTTP Content-Encoding: " + it->second); | |
| 84 } | |
| 85 | |
| 86 break; | |
| 87 } | |
| 88 } | |
| 89 | |
| 90 if (contentEncoding == Orthanc::HttpCompression_Gzip) | |
| 91 { | |
| 92 std::string compressed; | |
| 93 answer.swap(compressed); | |
| 94 | |
| 95 Orthanc::GzipCompressor compressor; | |
| 96 compressor.Uncompress(answer, compressed.c_str(), compressed.size()); | |
| 97 | |
| 98 LOG(INFO) << "Uncompressing gzip Encoding: from " << compressed.size() | |
| 99 << " to " << answer.size() << " bytes"; | |
| 100 } | |
| 101 } | |
| 102 | |
| 103 | |
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104 static IMessage* Execute(const HttpCommand& command) |
| 1077 | 105 { |
| 106 Orthanc::HttpClient client; | |
| 107 client.SetUrl(command.GetUrl()); | |
| 108 client.SetMethod(command.GetMethod()); | |
| 109 client.SetTimeout(command.GetTimeout()); | |
| 110 | |
| 111 CopyHttpHeaders(client, command.GetHttpHeaders()); | |
| 112 | |
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113 if (command.HasCredentials()) |
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114 { |
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115 client.SetCredentials(command.GetUsername().c_str(), command.GetPassword().c_str()); |
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116 } |
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117 |
| 1077 | 118 if (command.GetMethod() == Orthanc::HttpMethod_Post || |
| 119 command.GetMethod() == Orthanc::HttpMethod_Put) | |
| 120 { | |
| 121 client.SetBody(command.GetBody()); | |
| 122 } | |
| 123 | |
| 124 std::string answer; | |
| 125 Orthanc::HttpClient::HttpHeaders answerHeaders; | |
| 126 client.ApplyAndThrowException(answer, answerHeaders); | |
| 127 | |
| 128 DecodeAnswer(answer, answerHeaders); | |
| 129 | |
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130 return new HttpCommand::SuccessMessage(command, answerHeaders, answer); |
| 1077 | 131 } |
| 132 | |
| 133 | |
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134 static IMessage* Execute(const Orthanc::WebServiceParameters& orthanc, |
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135 const OrthancRestApiCommand& command) |
| 1077 | 136 { |
| 137 Orthanc::HttpClient client(orthanc, command.GetUri()); | |
| 138 client.SetMethod(command.GetMethod()); | |
| 139 client.SetTimeout(command.GetTimeout()); | |
| 140 | |
| 141 CopyHttpHeaders(client, command.GetHttpHeaders()); | |
| 142 | |
| 143 if (command.GetMethod() == Orthanc::HttpMethod_Post || | |
| 144 command.GetMethod() == Orthanc::HttpMethod_Put) | |
| 145 { | |
| 146 client.SetBody(command.GetBody()); | |
| 147 } | |
| 148 | |
| 149 std::string answer; | |
| 150 Orthanc::HttpClient::HttpHeaders answerHeaders; | |
| 151 client.ApplyAndThrowException(answer, answerHeaders); | |
| 152 | |
| 153 DecodeAnswer(answer, answerHeaders); | |
| 154 | |
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155 return new OrthancRestApiCommand::SuccessMessage(command, answerHeaders, answer); |
| 1077 | 156 } |
| 157 | |
| 158 | |
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159 static IMessage* Execute(const Orthanc::WebServiceParameters& orthanc, |
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160 const GetOrthancImageCommand& command) |
| 1077 | 161 { |
| 162 Orthanc::HttpClient client(orthanc, command.GetUri()); | |
| 163 client.SetTimeout(command.GetTimeout()); | |
| 164 | |
| 165 CopyHttpHeaders(client, command.GetHttpHeaders()); | |
| 166 | |
| 167 std::string answer; | |
| 168 Orthanc::HttpClient::HttpHeaders answerHeaders; | |
| 169 client.ApplyAndThrowException(answer, answerHeaders); | |
| 170 | |
| 171 DecodeAnswer(answer, answerHeaders); | |
| 172 | |
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173 return command.ProcessHttpAnswer(answer, answerHeaders); |
| 1077 | 174 } |
| 175 | |
| 176 | |
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177 static IMessage* Execute(const Orthanc::WebServiceParameters& orthanc, |
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178 const GetOrthancWebViewerJpegCommand& command) |
| 1077 | 179 { |
| 180 Orthanc::HttpClient client(orthanc, command.GetUri()); | |
| 181 client.SetTimeout(command.GetTimeout()); | |
| 182 | |
| 183 CopyHttpHeaders(client, command.GetHttpHeaders()); | |
| 184 | |
| 185 std::string answer; | |
| 186 Orthanc::HttpClient::HttpHeaders answerHeaders; | |
| 187 client.ApplyAndThrowException(answer, answerHeaders); | |
| 188 | |
| 189 DecodeAnswer(answer, answerHeaders); | |
| 190 | |
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191 return command.ProcessHttpAnswer(answer); |
| 1077 | 192 } |
| 193 | |
| 194 | |
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195 static std::string GetPath(const std::string& root, |
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196 const std::string& file) |
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197 { |
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198 boost::filesystem::path a(root); |
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199 boost::filesystem::path b(file); |
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200 |
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201 boost::filesystem::path c; |
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202 if (b.is_absolute()) |
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203 { |
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204 c = b; |
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205 } |
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206 else |
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207 { |
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208 c = a / b; |
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209 } |
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210 |
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211 LOG(INFO) << "Oracle reading file: " << c.string(); |
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212 return c.string(); |
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213 } |
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214 |
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215 |
| 1104 | 216 static IMessage* Execute(const std::string& root, |
| 217 const ReadFileCommand& command) | |
| 218 { | |
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219 std::string path = GetPath(root, command.GetPath()); |
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220 |
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221 std::string content; |
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222 Orthanc::SystemToolbox::ReadFile(content, path, true /* log */); |
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223 |
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224 return new ReadFileCommand::SuccessMessage(command, content); |
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225 } |
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226 |
| 1104 | 227 |
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228 #if ORTHANC_ENABLE_DCMTK == 1 |
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229 static IMessage* Execute(const std::string& root, |
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230 const ParseDicomFileCommand& command) |
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231 { |
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232 std::string path = GetPath(root, command.GetPath()); |
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233 |
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234 DcmFileFormat f; |
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235 bool ok; |
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236 |
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237 if (command.IsPixelDataIncluded()) |
| 1104 | 238 { |
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239 ok = f.loadFile(path.c_str()).good(); |
| 1104 | 240 } |
| 241 else | |
| 242 { | |
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243 #if DCMTK_VERSION_NUMBER >= 362 |
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244 // NB : We could stop at (0x3007, 0x0000) instead of |
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245 // DCM_PixelData, cf. the Orthanc::DICOM_TAG_* constants |
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246 |
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247 static const DcmTagKey STOP = DCM_PixelData; |
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248 //static const DcmTagKey STOP(0x3007, 0x0000); |
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249 |
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250 ok = f.loadFileUntilTag(path.c_str(), EXS_Unknown, EGL_noChange, |
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251 DCM_MaxReadLength, ERM_autoDetect, STOP).good(); |
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252 #else |
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253 // The primitive "loadFileUntilTag" was introduced in DCMTK 3.6.2 |
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254 ok = f.loadFile(path.c_str()).good(); |
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255 #endif |
| 1104 | 256 } |
| 257 | |
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258 if (ok) |
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259 { |
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260 return new ParseDicomFileCommand::SuccessMessage(command, f); |
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261 } |
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262 else |
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263 { |
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264 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat, |
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265 "Cannot parse file: " + path); |
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266 } |
| 1104 | 267 } |
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268 #endif |
| 1104 | 269 |
| 270 | |
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271 IMessage* GenericOracleRunner::Run(IOracleCommand& command) |
| 1077 | 272 { |
| 273 try | |
| 274 { | |
| 275 switch (command.GetType()) | |
| 276 { | |
| 277 case IOracleCommand::Type_Sleep: | |
| 278 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadParameterType, | |
| 279 "Sleep command cannot be executed by the runner"); | |
| 280 | |
| 281 case IOracleCommand::Type_Http: | |
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282 return Execute(dynamic_cast<const HttpCommand&>(command)); |
| 1077 | 283 |
| 284 case IOracleCommand::Type_OrthancRestApi: | |
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285 return Execute(orthanc_, dynamic_cast<const OrthancRestApiCommand&>(command)); |
| 1077 | 286 |
| 287 case IOracleCommand::Type_GetOrthancImage: | |
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288 return Execute(orthanc_, dynamic_cast<const GetOrthancImageCommand&>(command)); |
| 1077 | 289 |
| 290 case IOracleCommand::Type_GetOrthancWebViewerJpeg: | |
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291 return Execute(orthanc_, dynamic_cast<const GetOrthancWebViewerJpegCommand&>(command)); |
| 1077 | 292 |
| 293 case IOracleCommand::Type_Custom: | |
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294 return dynamic_cast<CustomOracleCommand&>(command).Execute(*this); |
| 1077 | 295 |
| 1104 | 296 case IOracleCommand::Type_ReadFile: |
| 297 return Execute(rootDirectory_, dynamic_cast<const ReadFileCommand&>(command)); | |
| 298 | |
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299 case IOracleCommand::Type_ParseDicomFile: |
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300 #if ORTHANC_ENABLE_DCMTK == 1 |
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301 return Execute(rootDirectory_, dynamic_cast<const ParseDicomFileCommand&>(command)); |
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302 #else |
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303 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented, |
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304 "DCMTK must be enabled to parse DICOM files"); |
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305 #endif |
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306 |
| 1077 | 307 default: |
| 308 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
| 309 } | |
| 310 } | |
| 311 catch (Orthanc::OrthancException& e) | |
| 312 { | |
| 313 LOG(ERROR) << "Exception within the oracle: " << e.What(); | |
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314 return new OracleCommandExceptionMessage(command, e); |
| 1077 | 315 } |
| 316 catch (...) | |
| 317 { | |
| 318 LOG(ERROR) << "Threaded exception within the oracle"; | |
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319 return new OracleCommandExceptionMessage(command, Orthanc::ErrorCode_InternalError); |
| 1077 | 320 } |
| 321 } | |
| 322 } |