Mercurial > hg > orthanc-stone
annotate Framework/Oracle/WebAssemblyOracle.cpp @ 971:bc7b249dfbd0 toa2019082902
Added EMSCRIPTEN_FETCH_REPLACE flag to requests to prevent stale cache results
author | Benjamin Golinvaux <bgo@osimis.io> |
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date | Thu, 29 Aug 2019 13:11:49 +0200 |
parents | 91f827272c1f |
children | 38409549db43 |
rev | line source |
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825 | 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 "WebAssemblyOracle.h" | |
23 | |
24 #include "SleepOracleCommand.h" | |
25 | |
26 #include <Core/OrthancException.h> | |
27 #include <Core/Toolbox.h> | |
28 | |
29 #include <emscripten.h> | |
30 #include <emscripten/html5.h> | |
31 #include <emscripten/fetch.h> | |
32 | |
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33 #if 0 |
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34 extern bool logbgo233; |
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35 extern bool logbgo115; |
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36 #endif |
825 | 37 |
38 namespace OrthancStone | |
39 { | |
40 class WebAssemblyOracle::TimeoutContext | |
41 { | |
42 private: | |
43 WebAssemblyOracle& oracle_; | |
44 const IObserver& receiver_; | |
45 std::auto_ptr<SleepOracleCommand> command_; | |
46 | |
47 public: | |
48 TimeoutContext(WebAssemblyOracle& oracle, | |
49 const IObserver& receiver, | |
50 IOracleCommand* command) : | |
51 oracle_(oracle), | |
52 receiver_(receiver) | |
53 { | |
54 if (command == NULL) | |
55 { | |
56 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
57 } | |
58 else | |
59 { | |
60 command_.reset(dynamic_cast<SleepOracleCommand*>(command)); | |
61 } | |
62 } | |
63 | |
64 void EmitMessage() | |
65 { | |
66 SleepOracleCommand::TimeoutMessage message(*command_); | |
67 oracle_.EmitMessage(receiver_, message); | |
68 } | |
69 | |
70 static void Callback(void *userData) | |
71 { | |
72 std::auto_ptr<TimeoutContext> context(reinterpret_cast<TimeoutContext*>(userData)); | |
73 context->EmitMessage(); | |
74 } | |
75 }; | |
76 | |
77 | |
78 class WebAssemblyOracle::Emitter : public IMessageEmitter | |
79 { | |
80 private: | |
81 WebAssemblyOracle& oracle_; | |
82 | |
83 public: | |
84 Emitter(WebAssemblyOracle& oracle) : | |
85 oracle_(oracle) | |
86 { | |
87 } | |
88 | |
89 virtual void EmitMessage(const IObserver& receiver, | |
90 const IMessage& message) | |
91 { | |
92 oracle_.EmitMessage(receiver, message); | |
93 } | |
94 }; | |
95 | |
96 | |
97 class WebAssemblyOracle::FetchContext : public boost::noncopyable | |
98 { | |
99 private: | |
100 Emitter emitter_; | |
101 const IObserver& receiver_; | |
102 std::auto_ptr<IOracleCommand> command_; | |
103 std::string expectedContentType_; | |
104 | |
105 public: | |
106 FetchContext(WebAssemblyOracle& oracle, | |
107 const IObserver& receiver, | |
108 IOracleCommand* command, | |
109 const std::string& expectedContentType) : | |
110 emitter_(oracle), | |
111 receiver_(receiver), | |
112 command_(command), | |
113 expectedContentType_(expectedContentType) | |
114 { | |
115 if (command == NULL) | |
116 { | |
117 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
118 } | |
119 } | |
120 | |
121 const std::string& GetExpectedContentType() const | |
122 { | |
123 return expectedContentType_; | |
124 } | |
125 | |
126 void EmitMessage(const IMessage& message) | |
127 { | |
128 emitter_.EmitMessage(receiver_, message); | |
129 } | |
130 | |
131 IMessageEmitter& GetEmitter() | |
132 { | |
133 return emitter_; | |
134 } | |
135 | |
136 const IObserver& GetReceiver() const | |
137 { | |
138 return receiver_; | |
139 } | |
140 | |
141 IOracleCommand& GetCommand() const | |
142 { | |
143 return *command_; | |
144 } | |
145 | |
146 template <typename T> | |
147 const T& GetTypedCommand() const | |
148 { | |
149 return dynamic_cast<T&>(*command_); | |
150 } | |
151 | |
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152 #if 0 |
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153 static std::string ToString(Orthanc::HttpMethod method) |
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154 { |
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155 switch (method) { |
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156 case Orthanc::HttpMethod_Get: |
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157 return "GET"; |
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158 break; |
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159 case Orthanc::HttpMethod_Post: |
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160 return "POST"; |
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161 break; |
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162 default: |
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163 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); |
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164 break; |
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165 } |
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166 } |
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167 static void DumpCommand(emscripten_fetch_t* fetch, std::string answer) |
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168 { |
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169 FetchContext* context = reinterpret_cast<FetchContext*>(fetch->userData); |
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170 |
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171 const auto& command = context->GetTypedCommand<OrthancRestApiCommand>(); |
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172 auto commandStr = ToString(command.GetMethod()); |
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173 LOG(TRACE) << "SuccessCallback for REST command. Method is : " << commandStr; |
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174 switch (command.GetMethod()) { |
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175 case Orthanc::HttpMethod_Get: |
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176 LOG(TRACE) << " * SuccessCallback GET URI = " << command.GetUri() << " timeout = " << command.GetTimeout(); |
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177 LOG(TRACE) << " * SuccessCallback GET RESPONSE = " << answer; |
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178 break; |
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179 case Orthanc::HttpMethod_Post: |
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180 LOG(TRACE) << " * SuccessCallback POST URI = " << command.GetUri() << " body = " << command.GetBody() << " timeout = " << command.GetTimeout(); |
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181 LOG(TRACE) << " * SuccessCallback POST RESPONSE = " << answer; |
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182 break; |
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183 default: |
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184 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); |
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185 break; |
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186 } |
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187 } |
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188 #endif |
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189 |
825 | 190 static void SuccessCallback(emscripten_fetch_t *fetch) |
191 { | |
192 /** | |
193 * Firstly, make a local copy of the fetched information, and | |
194 * free data associated with the fetch. | |
195 **/ | |
196 | |
197 std::auto_ptr<FetchContext> context(reinterpret_cast<FetchContext*>(fetch->userData)); | |
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198 if (fetch->userData == NULL) |
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199 { |
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200 LOG(ERROR) << "WebAssemblyOracle::FetchContext::SuccessCallback fetch->userData is NULL!!!!!!!"; |
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201 } |
825 | 202 |
203 std::string answer; | |
204 if (fetch->numBytes > 0) | |
205 { | |
206 answer.assign(fetch->data, fetch->numBytes); | |
207 } | |
208 | |
209 /** | |
210 * TODO - HACK - As of emscripten-1.38.31, the fetch API does | |
211 * not contain a way to retrieve the HTTP headers of the | |
212 * answer. We make the assumption that the "Content-Type" header | |
213 * of the response is the same as the "Accept" header of the | |
214 * query. This should be fixed in future versions of emscripten. | |
215 * https://github.com/emscripten-core/emscripten/pull/8486 | |
216 **/ | |
217 | |
218 HttpHeaders headers; | |
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219 if (fetch->userData != NULL) |
825 | 220 { |
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221 if (!context->GetExpectedContentType().empty()) |
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222 { |
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223 headers["Content-Type"] = context->GetExpectedContentType(); |
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224 } |
825 | 225 } |
226 | |
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227 #if 0 |
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228 if (context->GetCommand().GetType() == IOracleCommand::Type_OrthancRestApi) { |
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229 //if (logbgo115) |
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230 DumpCommand(fetch, answer); |
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231 } |
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232 #endif |
825 | 233 emscripten_fetch_close(fetch); |
234 | |
235 /** | |
236 * Secondly, use the retrieved data. | |
237 **/ | |
238 | |
239 try | |
240 { | |
241 if (context.get() == NULL) | |
242 { | |
243 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
244 } | |
245 else | |
246 { | |
247 switch (context->GetCommand().GetType()) | |
248 { | |
249 case IOracleCommand::Type_OrthancRestApi: | |
250 { | |
251 OrthancRestApiCommand::SuccessMessage message | |
252 (context->GetTypedCommand<OrthancRestApiCommand>(), headers, answer); | |
253 context->EmitMessage(message); | |
254 break; | |
255 } | |
256 | |
257 case IOracleCommand::Type_GetOrthancImage: | |
258 { | |
259 context->GetTypedCommand<GetOrthancImageCommand>().ProcessHttpAnswer | |
260 (context->GetEmitter(), context->GetReceiver(), answer, headers); | |
261 break; | |
262 } | |
263 | |
264 case IOracleCommand::Type_GetOrthancWebViewerJpeg: | |
265 { | |
266 context->GetTypedCommand<GetOrthancWebViewerJpegCommand>().ProcessHttpAnswer | |
267 (context->GetEmitter(), context->GetReceiver(), answer); | |
268 break; | |
269 } | |
270 | |
271 default: | |
272 LOG(ERROR) << "Command type not implemented by the WebAssembly Oracle: " | |
273 << context->GetCommand().GetType(); | |
274 } | |
275 } | |
276 } | |
277 catch (Orthanc::OrthancException& e) | |
278 { | |
279 LOG(ERROR) << "Error while processing a fetch answer in the oracle: " << e.What(); | |
280 } | |
281 } | |
282 | |
283 static void FailureCallback(emscripten_fetch_t *fetch) | |
284 { | |
285 std::auto_ptr<FetchContext> context(reinterpret_cast<FetchContext*>(fetch->userData)); | |
286 | |
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287 const size_t kEmscriptenStatusTextSize = sizeof(emscripten_fetch_t::statusText); |
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288 char message[kEmscriptenStatusTextSize + 1]; |
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289 memcpy(message, fetch->statusText, kEmscriptenStatusTextSize); |
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290 message[kEmscriptenStatusTextSize] = 0; |
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291 |
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292 LOG(ERROR) << "Fetching " << fetch->url |
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293 << " failed, HTTP failure status code: " << fetch->status |
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294 << " | statusText = " << message |
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295 << " | numBytes = " << fetch->numBytes |
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296 << " | totalBytes = " << fetch->totalBytes |
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297 << " | readyState = " << fetch->readyState; |
825 | 298 |
299 /** | |
300 * TODO - The following code leads to an infinite recursion, at | |
301 * least with Firefox running on incognito mode => WHY? | |
302 **/ | |
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303 emscripten_fetch_close(fetch); // Also free data on failure. |
825 | 304 } |
305 }; | |
306 | |
307 | |
308 | |
309 class WebAssemblyOracle::FetchCommand : public boost::noncopyable | |
310 { | |
311 private: | |
312 WebAssemblyOracle& oracle_; | |
313 const IObserver& receiver_; | |
314 std::auto_ptr<IOracleCommand> command_; | |
315 Orthanc::HttpMethod method_; | |
316 std::string uri_; | |
317 std::string body_; | |
318 HttpHeaders headers_; | |
319 unsigned int timeout_; | |
320 std::string expectedContentType_; | |
321 | |
322 public: | |
323 FetchCommand(WebAssemblyOracle& oracle, | |
324 const IObserver& receiver, | |
325 IOracleCommand* command) : | |
326 oracle_(oracle), | |
327 receiver_(receiver), | |
328 command_(command), | |
329 method_(Orthanc::HttpMethod_Get), | |
330 timeout_(0) | |
331 { | |
332 if (command == NULL) | |
333 { | |
334 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
335 } | |
336 } | |
337 | |
338 void SetMethod(Orthanc::HttpMethod method) | |
339 { | |
340 method_ = method; | |
341 } | |
342 | |
343 void SetUri(const std::string& uri) | |
344 { | |
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345 uri_ = oracle_.orthancRoot_ + uri; |
825 | 346 } |
347 | |
348 void SetBody(std::string& body /* will be swapped */) | |
349 { | |
350 body_.swap(body); | |
351 } | |
352 | |
353 void SetHttpHeaders(const HttpHeaders& headers) | |
354 { | |
355 headers_ = headers; | |
356 } | |
357 | |
358 void SetTimeout(unsigned int timeout) | |
359 { | |
360 timeout_ = timeout; | |
361 } | |
362 | |
363 void Execute() | |
364 { | |
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365 #if 0 |
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366 if (logbgo233) { |
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367 if (logbgo115) |
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368 LOG(TRACE) << " WebAssemblyOracle::Execute () command addr " << |
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369 std::hex << command_.get() << std::dec; |
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370 } |
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371 #endif |
825 | 372 if (command_.get() == NULL) |
373 { | |
374 // Cannot call Execute() twice | |
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375 LOG(ERROR) << "WebAssemblyOracle::Execute(): (command_.get() == NULL)"; |
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376 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); |
825 | 377 } |
378 | |
379 emscripten_fetch_attr_t attr; | |
380 emscripten_fetch_attr_init(&attr); | |
381 | |
382 const char* method; | |
383 | |
384 switch (method_) | |
385 { | |
386 case Orthanc::HttpMethod_Get: | |
387 method = "GET"; | |
388 break; | |
389 | |
390 case Orthanc::HttpMethod_Post: | |
391 method = "POST"; | |
392 break; | |
393 | |
394 case Orthanc::HttpMethod_Delete: | |
395 method = "DELETE"; | |
396 break; | |
397 | |
398 case Orthanc::HttpMethod_Put: | |
399 method = "PUT"; | |
400 break; | |
401 | |
402 default: | |
403 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
404 } | |
405 | |
406 strcpy(attr.requestMethod, method); | |
407 | |
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408 attr.attributes = EMSCRIPTEN_FETCH_LOAD_TO_MEMORY | EMSCRIPTEN_FETCH_REPLACE; |
825 | 409 attr.onsuccess = FetchContext::SuccessCallback; |
410 attr.onerror = FetchContext::FailureCallback; | |
411 attr.timeoutMSecs = timeout_ * 1000; | |
412 | |
413 std::vector<const char*> headers; | |
414 headers.reserve(2 * headers_.size() + 1); | |
415 | |
416 std::string expectedContentType; | |
417 | |
418 for (HttpHeaders::const_iterator it = headers_.begin(); it != headers_.end(); ++it) | |
419 { | |
420 std::string key; | |
421 Orthanc::Toolbox::ToLowerCase(key, it->first); | |
422 | |
423 if (key == "accept") | |
424 { | |
425 expectedContentType = it->second; | |
426 } | |
427 | |
428 if (key != "accept-encoding") // Web browsers forbid the modification of this HTTP header | |
429 { | |
430 headers.push_back(it->first.c_str()); | |
431 headers.push_back(it->second.c_str()); | |
432 } | |
433 } | |
434 | |
435 headers.push_back(NULL); // Termination of the array of HTTP headers | |
436 | |
437 attr.requestHeaders = &headers[0]; | |
438 | |
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439 char* requestData = NULL; |
825 | 440 if (!body_.empty()) |
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441 requestData = reinterpret_cast<char*>(malloc(body_.size())); |
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442 |
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443 try |
825 | 444 { |
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445 if (!body_.empty()) |
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446 { |
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447 memcpy(requestData, &(body_[0]), body_.size()); |
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448 attr.requestDataSize = body_.size(); |
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449 attr.requestData = requestData; |
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450 } |
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451 attr.userData = new FetchContext(oracle_, receiver_, command_.release(), expectedContentType); |
825 | 452 |
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453 // Must be the last call to prevent memory leak on error |
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454 #if 0 |
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455 LOG(TRACE) << "Performing " << method << " request on URI: \"" << uri_ << "\""; |
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456 #endif |
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457 emscripten_fetch(&attr, uri_.c_str()); |
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458 } |
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459 catch(...) |
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460 { |
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461 if(requestData != NULL) |
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462 free(requestData); |
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463 throw; |
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464 } |
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465 } |
825 | 466 }; |
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467 |
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468 #if 0 |
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469 static void DumpCommand(OrthancRestApiCommand* pCommand) |
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470 { |
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471 OrthancRestApiCommand& command = *pCommand; |
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472 LOG(TRACE) << "WebAssemblyOracle::Execute for REST command."; |
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473 switch (command.GetMethod()) { |
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474 case Orthanc::HttpMethod_Get: |
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475 LOG(TRACE) << " * WebAssemblyOracle::Execute GET URI = " << command.GetUri() << " timeout = " << command.GetTimeout(); |
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476 break; |
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477 case Orthanc::HttpMethod_Post: |
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478 LOG(TRACE) << " * WebAssemblyOracle::Execute POST URI = " << command.GetUri() << " body = " << command.GetBody() << " timeout = " << command.GetTimeout(); |
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479 break; |
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480 default: |
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481 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); |
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482 break; |
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483 } |
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484 } |
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485 #endif |
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486 |
825 | 487 void WebAssemblyOracle::Execute(const IObserver& receiver, |
488 OrthancRestApiCommand* command) | |
489 { | |
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490 #if 0 |
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491 DumpCommand(command); |
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492 |
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493 if (logbgo233) { |
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494 if (logbgo115) |
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495 LOG(TRACE) << " WebAssemblyOracle::Execute (OrthancRestApiCommand) command addr " << |
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496 std::hex << command << std::dec; |
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497 } |
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498 #endif |
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499 |
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500 try |
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501 { |
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502 //LOG(TRACE) << "*********** WebAssemblyOracle::Execute."; |
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503 //LOG(TRACE) << "WebAssemblyOracle::Execute | command = " << command; |
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504 FetchCommand fetch(*this, receiver, command); |
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505 |
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506 fetch.SetMethod(command->GetMethod()); |
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507 fetch.SetUri(command->GetUri()); |
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508 fetch.SetHttpHeaders(command->GetHttpHeaders()); |
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509 fetch.SetTimeout(command->GetTimeout()); |
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510 |
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511 if (command->GetMethod() == Orthanc::HttpMethod_Post || |
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512 command->GetMethod() == Orthanc::HttpMethod_Put) |
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513 { |
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514 std::string body; |
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515 command->SwapBody(body); |
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516 fetch.SetBody(body); |
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517 } |
825 | 518 |
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519 fetch.Execute(); |
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520 //LOG(TRACE) << "*********** successful end of WebAssemblyOracle::Execute."; |
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521 } |
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522 catch (const Orthanc::OrthancException& e) |
825 | 523 { |
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524 if (e.HasDetails()) |
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525 { |
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526 LOG(ERROR) << "OrthancException in WebAssemblyOracle::Execute: " << e.What() << " Details: " << e.GetDetails(); |
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527 } |
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528 else |
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529 { |
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530 LOG(ERROR) << "OrthancException in WebAssemblyOracle::Execute: " << e.What(); |
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531 } |
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532 //LOG(TRACE) << "*********** failing end of WebAssemblyOracle::Execute."; |
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533 throw; |
825 | 534 } |
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535 catch (const std::exception& e) |
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536 { |
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537 LOG(ERROR) << "std::exception in WebAssemblyOracle::Execute: " << e.what(); |
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538 // LOG(TRACE) << "*********** failing end of WebAssemblyOracle::Execute."; |
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539 throw; |
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540 } |
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541 catch (...) |
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542 { |
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543 LOG(ERROR) << "Unknown exception in WebAssemblyOracle::Execute"; |
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544 // LOG(TRACE) << "*********** failing end of WebAssemblyOracle::Execute."; |
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545 throw; |
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546 } |
825 | 547 } |
548 | |
549 | |
550 void WebAssemblyOracle::Execute(const IObserver& receiver, | |
551 GetOrthancImageCommand* command) | |
552 { | |
964
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553 #if 0 |
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554 if (logbgo233) { |
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555 if (logbgo115) |
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556 LOG(TRACE) << " WebAssemblyOracle::Execute (GetOrthancImageCommand) command addr " << |
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557 std::hex << command << std::dec; |
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558 } |
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559 #endif |
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560 |
825 | 561 FetchCommand fetch(*this, receiver, command); |
562 | |
563 fetch.SetUri(command->GetUri()); | |
564 fetch.SetHttpHeaders(command->GetHttpHeaders()); | |
565 fetch.SetTimeout(command->GetTimeout()); | |
566 | |
567 fetch.Execute(); | |
568 } | |
569 | |
570 | |
571 void WebAssemblyOracle::Execute(const IObserver& receiver, | |
572 GetOrthancWebViewerJpegCommand* command) | |
573 { | |
964
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574 #if 0 |
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575 if (logbgo233) { |
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576 if (logbgo115) |
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577 LOG(TRACE) << " WebAssemblyOracle::Execute (GetOrthancWebViewerJpegCommand) command addr " << std::hex << command << std::dec; |
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578 } |
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579 #endif |
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580 |
825 | 581 FetchCommand fetch(*this, receiver, command); |
582 | |
583 fetch.SetUri(command->GetUri()); | |
584 fetch.SetHttpHeaders(command->GetHttpHeaders()); | |
585 fetch.SetTimeout(command->GetTimeout()); | |
586 | |
587 fetch.Execute(); | |
588 } | |
589 | |
590 | |
591 | |
592 void WebAssemblyOracle::Schedule(const IObserver& receiver, | |
593 IOracleCommand* command) | |
594 { | |
964
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595 #if 0 |
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596 if (logbgo233) { |
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597 if (logbgo115) |
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598 LOG(TRACE) << " WebAssemblyOracle::Schedule command addr " << |
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599 std::hex << command << std::dec; |
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600 } |
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601 #endif |
825 | 602 std::auto_ptr<IOracleCommand> protection(command); |
603 | |
604 if (command == NULL) | |
605 { | |
606 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
607 } | |
608 | |
609 switch (command->GetType()) | |
610 { | |
611 case IOracleCommand::Type_OrthancRestApi: | |
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612 //// DIAGNOSTIC. PLEASE REMOVE IF IT HAS BEEN COMMITTED BY MISTAKE |
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613 //{ |
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614 // const IObserver* pReceiver = &receiver; |
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615 // LOG(TRACE) << "WebAssemblyOracle::Schedule | pReceiver is " << pReceiver; |
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616 // LOG(TRACE) << "WebAssemblyOracle::Schedule | command = " << command; |
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617 // OrthancRestApiCommand* rac = dynamic_cast<OrthancRestApiCommand*>(protection.get()); |
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618 // LOG(TRACE) << "WebAssemblyOracle::Schedule | typed command = " << rac; |
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619 // LOG(TRACE) << "WebAssemblyOracle::Schedule" << rac->GetUri(); |
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620 //} |
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621 //// END OF BLOCK TO REMOVE |
825 | 622 Execute(receiver, dynamic_cast<OrthancRestApiCommand*>(protection.release())); |
623 break; | |
624 | |
625 case IOracleCommand::Type_GetOrthancImage: | |
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626 //// DIAGNOSTIC. PLEASE REMOVE IF IT HAS BEEN COMMITTED BY MISTAKE |
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627 //{ |
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628 // GetOrthancImageCommand* rac = dynamic_cast<GetOrthancImageCommand*>(protection.get()); |
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629 // LOG(TRACE) << "WebAssemblyOracle::Schedule" << rac->GetUri(); |
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630 //} |
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631 //// END OF BLOCK TO REMOVE |
825 | 632 Execute(receiver, dynamic_cast<GetOrthancImageCommand*>(protection.release())); |
633 break; | |
634 | |
635 case IOracleCommand::Type_GetOrthancWebViewerJpeg: | |
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636 //// DIAGNOSTIC. PLEASE REMOVE IF IT HAS BEEN COMMITTED BY MISTAKE |
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637 //{ |
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638 // GetOrthancWebViewerJpegCommand* rac = dynamic_cast<GetOrthancWebViewerJpegCommand*>(protection.get()); |
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639 // LOG(TRACE) << "WebAssemblyOracle::Schedule" << rac->GetUri(); |
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640 //} |
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641 //// END OF BLOCK TO REMOVE |
825 | 642 Execute(receiver, dynamic_cast<GetOrthancWebViewerJpegCommand*>(protection.release())); |
643 break; | |
644 | |
645 case IOracleCommand::Type_Sleep: | |
646 { | |
647 unsigned int timeoutMS = dynamic_cast<SleepOracleCommand*>(command)->GetDelay(); | |
648 emscripten_set_timeout(TimeoutContext::Callback, timeoutMS, | |
649 new TimeoutContext(*this, receiver, protection.release())); | |
650 break; | |
651 } | |
652 | |
653 default: | |
654 LOG(ERROR) << "Command type not implemented by the WebAssembly Oracle: " << command->GetType(); | |
655 } | |
656 } | |
657 } |