Mercurial > hg > orthanc-stone
annotate Framework/Oracle/GenericOracleRunner.cpp @ 1140:6333e6f7248e broker
fix cache
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 07 Nov 2019 16:53:15 +0100 |
parents | cc029987b6dc |
children | 5e164c629923 |
rev | line source |
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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 "GetOrthancImageCommand.h" |
29 #include "GetOrthancWebViewerJpegCommand.h" | |
30 #include "HttpCommand.h" | |
31 #include "OracleCommandExceptionMessage.h" | |
32 #include "OrthancRestApiCommand.h" | |
1104 | 33 #include "ReadFileCommand.h" |
1077 | 34 |
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35 #if ORTHANC_ENABLE_DCMTK == 1 |
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36 # include "ParseDicomFileCommand.h" |
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37 # include <dcmtk/dcmdata/dcdeftag.h> |
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38 #endif |
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39 |
1077 | 40 #include <Core/Compression/GzipCompressor.h> |
41 #include <Core/HttpClient.h> | |
42 #include <Core/OrthancException.h> | |
43 #include <Core/Toolbox.h> | |
1104 | 44 #include <Core/SystemToolbox.h> |
45 | |
46 #include <boost/filesystem.hpp> | |
1077 | 47 |
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48 |
1077 | 49 namespace OrthancStone |
50 { | |
51 static void CopyHttpHeaders(Orthanc::HttpClient& client, | |
52 const Orthanc::HttpClient::HttpHeaders& headers) | |
53 { | |
54 for (Orthanc::HttpClient::HttpHeaders::const_iterator | |
55 it = headers.begin(); it != headers.end(); it++ ) | |
56 { | |
57 client.AddHeader(it->first, it->second); | |
58 } | |
59 } | |
60 | |
61 | |
62 static void DecodeAnswer(std::string& answer, | |
63 const Orthanc::HttpClient::HttpHeaders& headers) | |
64 { | |
65 Orthanc::HttpCompression contentEncoding = Orthanc::HttpCompression_None; | |
66 | |
67 for (Orthanc::HttpClient::HttpHeaders::const_iterator it = headers.begin(); | |
68 it != headers.end(); ++it) | |
69 { | |
70 std::string s; | |
71 Orthanc::Toolbox::ToLowerCase(s, it->first); | |
72 | |
73 if (s == "content-encoding") | |
74 { | |
75 if (it->second == "gzip") | |
76 { | |
77 contentEncoding = Orthanc::HttpCompression_Gzip; | |
78 } | |
79 else | |
80 { | |
81 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol, | |
82 "Unsupported HTTP Content-Encoding: " + it->second); | |
83 } | |
84 | |
85 break; | |
86 } | |
87 } | |
88 | |
89 if (contentEncoding == Orthanc::HttpCompression_Gzip) | |
90 { | |
91 std::string compressed; | |
92 answer.swap(compressed); | |
93 | |
94 Orthanc::GzipCompressor compressor; | |
95 compressor.Uncompress(answer, compressed.c_str(), compressed.size()); | |
96 | |
97 LOG(INFO) << "Uncompressing gzip Encoding: from " << compressed.size() | |
98 << " to " << answer.size() << " bytes"; | |
99 } | |
100 } | |
101 | |
102 | |
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103 static void RunInternal(boost::weak_ptr<IObserver> receiver, |
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104 IMessageEmitter& emitter, |
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105 const HttpCommand& command) |
1077 | 106 { |
107 Orthanc::HttpClient client; | |
108 client.SetUrl(command.GetUrl()); | |
109 client.SetMethod(command.GetMethod()); | |
110 client.SetTimeout(command.GetTimeout()); | |
111 | |
112 CopyHttpHeaders(client, command.GetHttpHeaders()); | |
113 | |
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114 if (command.HasCredentials()) |
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115 { |
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116 client.SetCredentials(command.GetUsername().c_str(), command.GetPassword().c_str()); |
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117 } |
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118 |
1077 | 119 if (command.GetMethod() == Orthanc::HttpMethod_Post || |
120 command.GetMethod() == Orthanc::HttpMethod_Put) | |
121 { | |
122 client.SetBody(command.GetBody()); | |
123 } | |
124 | |
125 std::string answer; | |
126 Orthanc::HttpClient::HttpHeaders answerHeaders; | |
127 client.ApplyAndThrowException(answer, answerHeaders); | |
128 | |
129 DecodeAnswer(answer, answerHeaders); | |
130 | |
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131 HttpCommand::SuccessMessage message(command, answerHeaders, answer); |
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132 emitter.EmitMessage(receiver, message); |
1077 | 133 } |
134 | |
135 | |
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136 static void RunInternal(boost::weak_ptr<IObserver> receiver, |
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137 IMessageEmitter& emitter, |
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138 const Orthanc::WebServiceParameters& orthanc, |
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139 const OrthancRestApiCommand& command) |
1077 | 140 { |
141 Orthanc::HttpClient client(orthanc, command.GetUri()); | |
142 client.SetMethod(command.GetMethod()); | |
143 client.SetTimeout(command.GetTimeout()); | |
144 | |
145 CopyHttpHeaders(client, command.GetHttpHeaders()); | |
146 | |
147 if (command.GetMethod() == Orthanc::HttpMethod_Post || | |
148 command.GetMethod() == Orthanc::HttpMethod_Put) | |
149 { | |
150 client.SetBody(command.GetBody()); | |
151 } | |
152 | |
153 std::string answer; | |
154 Orthanc::HttpClient::HttpHeaders answerHeaders; | |
155 client.ApplyAndThrowException(answer, answerHeaders); | |
156 | |
157 DecodeAnswer(answer, answerHeaders); | |
158 | |
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159 OrthancRestApiCommand::SuccessMessage message(command, answerHeaders, answer); |
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160 emitter.EmitMessage(receiver, message); |
1077 | 161 } |
162 | |
163 | |
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164 static void RunInternal(boost::weak_ptr<IObserver> receiver, |
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165 IMessageEmitter& emitter, |
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166 const Orthanc::WebServiceParameters& orthanc, |
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167 const GetOrthancImageCommand& command) |
1077 | 168 { |
169 Orthanc::HttpClient client(orthanc, command.GetUri()); | |
170 client.SetTimeout(command.GetTimeout()); | |
171 | |
172 CopyHttpHeaders(client, command.GetHttpHeaders()); | |
173 | |
174 std::string answer; | |
175 Orthanc::HttpClient::HttpHeaders answerHeaders; | |
176 client.ApplyAndThrowException(answer, answerHeaders); | |
177 | |
178 DecodeAnswer(answer, answerHeaders); | |
179 | |
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180 command.ProcessHttpAnswer(receiver, emitter, answer, answerHeaders); |
1077 | 181 } |
182 | |
183 | |
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184 static void RunInternal(boost::weak_ptr<IObserver> receiver, |
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185 IMessageEmitter& emitter, |
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186 const Orthanc::WebServiceParameters& orthanc, |
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187 const GetOrthancWebViewerJpegCommand& command) |
1077 | 188 { |
189 Orthanc::HttpClient client(orthanc, command.GetUri()); | |
190 client.SetTimeout(command.GetTimeout()); | |
191 | |
192 CopyHttpHeaders(client, command.GetHttpHeaders()); | |
193 | |
194 std::string answer; | |
195 Orthanc::HttpClient::HttpHeaders answerHeaders; | |
196 client.ApplyAndThrowException(answer, answerHeaders); | |
197 | |
198 DecodeAnswer(answer, answerHeaders); | |
199 | |
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200 command.ProcessHttpAnswer(receiver, emitter, answer); |
1077 | 201 } |
202 | |
203 | |
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204 static std::string GetPath(const std::string& root, |
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205 const std::string& file) |
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206 { |
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207 boost::filesystem::path a(root); |
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208 boost::filesystem::path b(file); |
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209 |
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210 boost::filesystem::path c; |
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211 if (b.is_absolute()) |
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212 { |
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213 c = b; |
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214 } |
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215 else |
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216 { |
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217 c = a / b; |
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218 } |
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219 |
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220 LOG(TRACE) << "Oracle reading file: " << c.string(); |
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221 return c.string(); |
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222 } |
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223 |
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224 |
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225 static void RunInternal(boost::weak_ptr<IObserver> receiver, |
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226 IMessageEmitter& emitter, |
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227 const std::string& root, |
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228 const ReadFileCommand& command) |
1104 | 229 { |
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230 std::string path = GetPath(root, command.GetPath()); |
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231 |
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232 std::string content; |
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233 Orthanc::SystemToolbox::ReadFile(content, path, true /* log */); |
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234 |
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235 ReadFileCommand::SuccessMessage message(command, content); |
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236 emitter.EmitMessage(receiver, message); |
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237 } |
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238 |
1104 | 239 |
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240 #if ORTHANC_ENABLE_DCMTK == 1 |
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241 namespace |
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242 { |
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243 class IDicomHandler : public boost::noncopyable |
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245 public: |
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246 virtual ~IDicomHandler() |
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247 { |
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248 } |
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249 |
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250 virtual void Handle(Orthanc::ParsedDicomFile* dicom, |
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251 const ParseDicomFileCommand& command, |
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252 const std::string& path, |
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253 uint64_t fileSize) = 0; |
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254 |
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255 static void Apply(IDicomHandler& handler, |
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256 const std::string& path, |
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257 const ParseDicomFileCommand& command) |
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258 { |
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259 if (!Orthanc::SystemToolbox::IsRegularFile(path)) |
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260 { |
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261 throw Orthanc::OrthancException(Orthanc::ErrorCode_InexistentFile); |
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262 } |
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263 |
1140 | 264 LOG(TRACE) << "Parsing DICOM file, " |
265 << (command.IsPixelDataIncluded() ? "with" : "witout") | |
266 << " pixel data: " << path; | |
267 | |
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268 uint64_t fileSize = Orthanc::SystemToolbox::GetFileSize(path); |
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269 |
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270 // Check for 32bit systems |
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271 if (fileSize != static_cast<uint64_t>(static_cast<size_t>(fileSize))) |
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272 { |
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273 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotEnoughMemory); |
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274 } |
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275 |
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276 DcmFileFormat dicom; |
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277 bool ok; |
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278 |
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279 if (command.IsPixelDataIncluded()) |
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280 { |
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281 ok = dicom.loadFile(path.c_str()).good(); |
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282 } |
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283 else |
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284 { |
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285 #if DCMTK_VERSION_NUMBER >= 362 |
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286 // NB : We could stop at (0x3007, 0x0000) instead of |
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287 // DCM_PixelData, cf. the Orthanc::DICOM_TAG_* constants |
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288 |
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289 static const DcmTagKey STOP = DCM_PixelData; |
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290 //static const DcmTagKey STOP(0x3007, 0x0000); |
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291 |
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292 ok = dicom.loadFileUntilTag(path.c_str(), EXS_Unknown, EGL_noChange, |
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293 DCM_MaxReadLength, ERM_autoDetect, STOP).good(); |
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294 #else |
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295 // The primitive "loadFileUntilTag" was introduced in DCMTK 3.6.2 |
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296 ok = dicom.loadFile(path.c_str()).good(); |
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297 #endif |
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298 } |
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299 |
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300 if (ok) |
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301 { |
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302 handler.Handle(new Orthanc::ParsedDicomFile(dicom), command, path, fileSize); |
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303 } |
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304 else |
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305 { |
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306 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat, |
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307 "Cannot parse file: " + path); |
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308 } |
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309 } |
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310 }; |
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311 |
1104 | 312 |
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313 class DicomHandlerWithoutCache : public IDicomHandler |
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314 { |
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315 private: |
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316 boost::weak_ptr<IObserver> receiver_; |
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317 IMessageEmitter& emitter_; |
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318 |
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319 public: |
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320 DicomHandlerWithoutCache(boost::weak_ptr<IObserver> receiver, |
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321 IMessageEmitter& emitter) : |
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322 receiver_(receiver), |
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323 emitter_(emitter) |
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324 { |
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325 } |
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326 |
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327 virtual void Handle(Orthanc::ParsedDicomFile* dicom, |
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328 const ParseDicomFileCommand& command, |
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329 const std::string& path, |
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330 uint64_t fileSize) |
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331 { |
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332 std::auto_ptr<Orthanc::ParsedDicomFile> parsed(dicom); |
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333 |
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334 ParseDicomFileCommand::SuccessMessage message |
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335 (command, *parsed, static_cast<size_t>(fileSize), command.IsPixelDataIncluded()); |
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336 emitter_.EmitMessage(receiver_, message); |
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337 } |
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338 }; |
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339 |
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340 |
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341 class DicomHandlerWithCache : public IDicomHandler |
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342 { |
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343 private: |
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344 boost::weak_ptr<IObserver> receiver_; |
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345 IMessageEmitter& emitter_; |
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346 boost::shared_ptr<ParsedDicomFileCache> cache_; |
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347 |
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348 public: |
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349 DicomHandlerWithCache(boost::weak_ptr<IObserver> receiver, |
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350 IMessageEmitter& emitter, |
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351 boost::shared_ptr<ParsedDicomFileCache> cache) : |
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352 receiver_(receiver), |
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353 emitter_(emitter), |
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354 cache_(cache) |
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355 { |
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356 if (!cache) |
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357 { |
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358 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); |
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359 } |
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360 } |
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361 |
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362 virtual void Handle(Orthanc::ParsedDicomFile* dicom, |
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363 const ParseDicomFileCommand& command, |
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364 const std::string& path, |
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365 uint64_t fileSize) |
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366 { |
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367 std::auto_ptr<Orthanc::ParsedDicomFile> parsed(dicom); |
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368 |
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369 { |
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370 ParseDicomFileCommand::SuccessMessage message |
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371 (command, *parsed, static_cast<size_t>(fileSize), command.IsPixelDataIncluded()); |
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372 emitter_.EmitMessage(receiver_, message); |
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373 } |
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374 |
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375 // Store it into the cache for future use |
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376 assert(cache_); |
1140 | 377 |
378 // Invalidate to overwrite DICOM instance that would already | |
379 // be stored without pixel data | |
380 cache_->Invalidate(path); | |
381 | |
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382 cache_->Acquire(path, parsed.release(), |
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383 static_cast<size_t>(fileSize), command.IsPixelDataIncluded()); |
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384 } |
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385 }; |
1104 | 386 } |
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387 |
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388 |
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389 static void RunInternal(boost::weak_ptr<IObserver> receiver, |
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390 IMessageEmitter& emitter, |
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391 boost::shared_ptr<ParsedDicomFileCache> cache, |
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392 const std::string& root, |
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393 const ParseDicomFileCommand& command) |
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394 { |
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395 const std::string path = GetPath(root, command.GetPath()); |
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396 |
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397 #if 1 |
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398 if (cache.get()) |
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399 { |
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400 { |
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401 ParsedDicomFileCache::Reader reader(*cache, path); |
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402 if (reader.IsValid() && |
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403 (!command.IsPixelDataIncluded() || |
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404 reader.HasPixelData())) |
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405 { |
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406 // Reuse the DICOM file from the cache |
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407 ParseDicomFileCommand::SuccessMessage message( |
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408 command, reader.GetDicom(), reader.GetFileSize(), reader.HasPixelData()); |
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409 emitter.EmitMessage(receiver, message); |
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410 return; |
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411 } |
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412 } |
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413 |
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414 DicomHandlerWithCache handler(receiver, emitter, cache); |
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415 IDicomHandler::Apply(handler, path, command); |
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416 } |
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417 else |
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418 { |
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419 // No cache available |
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420 DicomHandlerWithoutCache handler(receiver, emitter); |
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421 IDicomHandler::Apply(handler, path, command); |
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422 } |
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423 #else |
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424 DicomHandlerWithoutCache handler(receiver, emitter); |
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425 IDicomHandler::Apply(handler, path, command); |
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426 #endif |
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427 } |
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428 |
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429 #endif |
1104 | 430 |
431 | |
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432 void GenericOracleRunner::Run(boost::weak_ptr<IObserver> receiver, |
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433 IMessageEmitter& emitter, |
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434 const IOracleCommand& command) |
1077 | 435 { |
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436 Orthanc::ErrorCode error = Orthanc::ErrorCode_Success; |
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437 |
1077 | 438 try |
439 { | |
440 switch (command.GetType()) | |
441 { | |
442 case IOracleCommand::Type_Sleep: | |
443 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadParameterType, | |
444 "Sleep command cannot be executed by the runner"); | |
445 | |
446 case IOracleCommand::Type_Http: | |
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447 RunInternal(receiver, emitter, dynamic_cast<const HttpCommand&>(command)); |
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448 break; |
1077 | 449 |
450 case IOracleCommand::Type_OrthancRestApi: | |
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451 RunInternal(receiver, emitter, orthanc_, |
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452 dynamic_cast<const OrthancRestApiCommand&>(command)); |
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453 break; |
1077 | 454 |
455 case IOracleCommand::Type_GetOrthancImage: | |
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456 RunInternal(receiver, emitter, orthanc_, |
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457 dynamic_cast<const GetOrthancImageCommand&>(command)); |
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458 break; |
1077 | 459 |
460 case IOracleCommand::Type_GetOrthancWebViewerJpeg: | |
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461 RunInternal(receiver, emitter, orthanc_, |
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462 dynamic_cast<const GetOrthancWebViewerJpegCommand&>(command)); |
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463 break; |
1077 | 464 |
1104 | 465 case IOracleCommand::Type_ReadFile: |
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466 RunInternal(receiver, emitter, rootDirectory_, |
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467 dynamic_cast<const ReadFileCommand&>(command)); |
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468 break; |
1104 | 469 |
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470 case IOracleCommand::Type_ParseDicomFile: |
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471 #if ORTHANC_ENABLE_DCMTK == 1 |
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472 RunInternal(receiver, emitter, dicomCache_, rootDirectory_, |
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473 dynamic_cast<const ParseDicomFileCommand&>(command)); |
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474 break; |
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475 #else |
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476 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented, |
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477 "DCMTK must be enabled to parse DICOM files"); |
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478 #endif |
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479 |
1077 | 480 default: |
481 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
482 } | |
483 } | |
484 catch (Orthanc::OrthancException& e) | |
485 { | |
486 LOG(ERROR) << "Exception within the oracle: " << e.What(); | |
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487 error = e.GetErrorCode(); |
1077 | 488 } |
489 catch (...) | |
490 { | |
491 LOG(ERROR) << "Threaded exception within the oracle"; | |
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492 error = Orthanc::ErrorCode_InternalError; |
1077 | 493 } |
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494 |
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495 if (error != Orthanc::ErrorCode_Success) |
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496 { |
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497 OracleCommandExceptionMessage message(command, error); |
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498 emitter.EmitMessage(receiver, message); |
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499 } |
1077 | 500 } |
501 } |