comparison Applications/StoneWebViewer/Resources/Orthanc/Plugins/OrthancPluginCppWrapper.cpp @ 1538:d1806b4e4839

moving OrthancStone/Samples/ as Applications/Samples/
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 11 Aug 2020 13:24:38 +0200
parents StoneWebViewer/Resources/Orthanc/Plugins/OrthancPluginCppWrapper.cpp@b750b6eab453
children
comparison
equal deleted inserted replaced
1537:de8cf5859e84 1538:d1806b4e4839
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2020 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 General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * 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 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 **/
20
21
22 #include "OrthancPluginCppWrapper.h"
23
24 #include <boost/algorithm/string/predicate.hpp>
25 #include <boost/move/unique_ptr.hpp>
26 #include <boost/thread.hpp>
27 #include <json/reader.h>
28 #include <json/writer.h>
29
30
31 #if !ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 2, 0)
32 static const OrthancPluginErrorCode OrthancPluginErrorCode_NullPointer = OrthancPluginErrorCode_Plugin;
33 #endif
34
35
36 namespace OrthancPlugins
37 {
38 static OrthancPluginContext* globalContext_ = NULL;
39
40
41 void SetGlobalContext(OrthancPluginContext* context)
42 {
43 if (context == NULL)
44 {
45 ORTHANC_PLUGINS_THROW_EXCEPTION(NullPointer);
46 }
47 else if (globalContext_ == NULL)
48 {
49 globalContext_ = context;
50 }
51 else
52 {
53 ORTHANC_PLUGINS_THROW_EXCEPTION(BadSequenceOfCalls);
54 }
55 }
56
57
58 bool HasGlobalContext()
59 {
60 return globalContext_ != NULL;
61 }
62
63
64 OrthancPluginContext* GetGlobalContext()
65 {
66 if (globalContext_ == NULL)
67 {
68 ORTHANC_PLUGINS_THROW_EXCEPTION(BadSequenceOfCalls);
69 }
70 else
71 {
72 return globalContext_;
73 }
74 }
75
76
77 void MemoryBuffer::Check(OrthancPluginErrorCode code)
78 {
79 if (code != OrthancPluginErrorCode_Success)
80 {
81 // Prevent using garbage information
82 buffer_.data = NULL;
83 buffer_.size = 0;
84 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(code);
85 }
86 }
87
88
89 bool MemoryBuffer::CheckHttp(OrthancPluginErrorCode code)
90 {
91 if (code != OrthancPluginErrorCode_Success)
92 {
93 // Prevent using garbage information
94 buffer_.data = NULL;
95 buffer_.size = 0;
96 }
97
98 if (code == OrthancPluginErrorCode_Success)
99 {
100 return true;
101 }
102 else if (code == OrthancPluginErrorCode_UnknownResource ||
103 code == OrthancPluginErrorCode_InexistentItem)
104 {
105 return false;
106 }
107 else
108 {
109 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(code);
110 }
111 }
112
113
114 MemoryBuffer::MemoryBuffer()
115 {
116 buffer_.data = NULL;
117 buffer_.size = 0;
118 }
119
120
121 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 7, 0)
122 MemoryBuffer::MemoryBuffer(const void* buffer,
123 size_t size)
124 {
125 uint32_t s = static_cast<uint32_t>(size);
126 if (static_cast<size_t>(s) != size)
127 {
128 ORTHANC_PLUGINS_THROW_EXCEPTION(NotEnoughMemory);
129 }
130 else if (OrthancPluginCreateMemoryBuffer(GetGlobalContext(), &buffer_, s) !=
131 OrthancPluginErrorCode_Success)
132 {
133 ORTHANC_PLUGINS_THROW_EXCEPTION(NotEnoughMemory);
134 }
135 else
136 {
137 memcpy(buffer_.data, buffer, size);
138 }
139 }
140 #endif
141
142
143 void MemoryBuffer::Clear()
144 {
145 if (buffer_.data != NULL)
146 {
147 OrthancPluginFreeMemoryBuffer(GetGlobalContext(), &buffer_);
148 buffer_.data = NULL;
149 buffer_.size = 0;
150 }
151 }
152
153
154 void MemoryBuffer::Assign(OrthancPluginMemoryBuffer& other)
155 {
156 Clear();
157
158 buffer_.data = other.data;
159 buffer_.size = other.size;
160
161 other.data = NULL;
162 other.size = 0;
163 }
164
165
166 void MemoryBuffer::Swap(MemoryBuffer& other)
167 {
168 std::swap(buffer_.data, other.buffer_.data);
169 std::swap(buffer_.size, other.buffer_.size);
170 }
171
172
173 OrthancPluginMemoryBuffer MemoryBuffer::Release()
174 {
175 OrthancPluginMemoryBuffer result = buffer_;
176
177 buffer_.data = NULL;
178 buffer_.size = 0;
179
180 return result;
181 }
182
183
184 void MemoryBuffer::ToString(std::string& target) const
185 {
186 if (buffer_.size == 0)
187 {
188 target.clear();
189 }
190 else
191 {
192 target.assign(reinterpret_cast<const char*>(buffer_.data), buffer_.size);
193 }
194 }
195
196
197 void MemoryBuffer::ToJson(Json::Value& target) const
198 {
199 if (buffer_.data == NULL ||
200 buffer_.size == 0)
201 {
202 ORTHANC_PLUGINS_THROW_EXCEPTION(InternalError);
203 }
204
205 const char* tmp = reinterpret_cast<const char*>(buffer_.data);
206
207 Json::Reader reader;
208 if (!reader.parse(tmp, tmp + buffer_.size, target))
209 {
210 LogError("Cannot convert some memory buffer to JSON");
211 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat);
212 }
213 }
214
215
216 bool MemoryBuffer::RestApiGet(const std::string& uri,
217 bool applyPlugins)
218 {
219 Clear();
220
221 if (applyPlugins)
222 {
223 return CheckHttp(OrthancPluginRestApiGetAfterPlugins(GetGlobalContext(), &buffer_, uri.c_str()));
224 }
225 else
226 {
227 return CheckHttp(OrthancPluginRestApiGet(GetGlobalContext(), &buffer_, uri.c_str()));
228 }
229 }
230
231 bool MemoryBuffer::RestApiGet(const std::string& uri,
232 const std::map<std::string, std::string>& httpHeaders,
233 bool applyPlugins)
234 {
235 Clear();
236
237 std::vector<const char*> headersKeys;
238 std::vector<const char*> headersValues;
239
240 for (std::map<std::string, std::string>::const_iterator
241 it = httpHeaders.begin(); it != httpHeaders.end(); it++)
242 {
243 headersKeys.push_back(it->first.c_str());
244 headersValues.push_back(it->second.c_str());
245 }
246
247 return CheckHttp(OrthancPluginRestApiGet2(
248 GetGlobalContext(), &buffer_, uri.c_str(), httpHeaders.size(),
249 (headersKeys.empty() ? NULL : &headersKeys[0]),
250 (headersValues.empty() ? NULL : &headersValues[0]), applyPlugins));
251 }
252
253 bool MemoryBuffer::RestApiPost(const std::string& uri,
254 const void* body,
255 size_t bodySize,
256 bool applyPlugins)
257 {
258 Clear();
259
260 // Cast for compatibility with Orthanc SDK <= 1.5.6
261 const char* b = reinterpret_cast<const char*>(body);
262
263 if (applyPlugins)
264 {
265 return CheckHttp(OrthancPluginRestApiPostAfterPlugins(GetGlobalContext(), &buffer_, uri.c_str(), b, bodySize));
266 }
267 else
268 {
269 return CheckHttp(OrthancPluginRestApiPost(GetGlobalContext(), &buffer_, uri.c_str(), b, bodySize));
270 }
271 }
272
273
274 bool MemoryBuffer::RestApiPut(const std::string& uri,
275 const void* body,
276 size_t bodySize,
277 bool applyPlugins)
278 {
279 Clear();
280
281 // Cast for compatibility with Orthanc SDK <= 1.5.6
282 const char* b = reinterpret_cast<const char*>(body);
283
284 if (applyPlugins)
285 {
286 return CheckHttp(OrthancPluginRestApiPutAfterPlugins(GetGlobalContext(), &buffer_, uri.c_str(), b, bodySize));
287 }
288 else
289 {
290 return CheckHttp(OrthancPluginRestApiPut(GetGlobalContext(), &buffer_, uri.c_str(), b, bodySize));
291 }
292 }
293
294
295 bool MemoryBuffer::RestApiPost(const std::string& uri,
296 const Json::Value& body,
297 bool applyPlugins)
298 {
299 Json::FastWriter writer;
300 return RestApiPost(uri, writer.write(body), applyPlugins);
301 }
302
303
304 bool MemoryBuffer::RestApiPut(const std::string& uri,
305 const Json::Value& body,
306 bool applyPlugins)
307 {
308 Json::FastWriter writer;
309 return RestApiPut(uri, writer.write(body), applyPlugins);
310 }
311
312
313 void MemoryBuffer::CreateDicom(const Json::Value& tags,
314 OrthancPluginCreateDicomFlags flags)
315 {
316 Clear();
317
318 Json::FastWriter writer;
319 std::string s = writer.write(tags);
320
321 Check(OrthancPluginCreateDicom(GetGlobalContext(), &buffer_, s.c_str(), NULL, flags));
322 }
323
324 void MemoryBuffer::CreateDicom(const Json::Value& tags,
325 const OrthancImage& pixelData,
326 OrthancPluginCreateDicomFlags flags)
327 {
328 Clear();
329
330 Json::FastWriter writer;
331 std::string s = writer.write(tags);
332
333 Check(OrthancPluginCreateDicom(GetGlobalContext(), &buffer_, s.c_str(), pixelData.GetObject(), flags));
334 }
335
336
337 void MemoryBuffer::ReadFile(const std::string& path)
338 {
339 Clear();
340 Check(OrthancPluginReadFile(GetGlobalContext(), &buffer_, path.c_str()));
341 }
342
343
344 void MemoryBuffer::GetDicomQuery(const OrthancPluginWorklistQuery* query)
345 {
346 Clear();
347 Check(OrthancPluginWorklistGetDicomQuery(GetGlobalContext(), &buffer_, query));
348 }
349
350
351 void OrthancString::Assign(char* str)
352 {
353 Clear();
354
355 if (str != NULL)
356 {
357 str_ = str;
358 }
359 }
360
361
362 void OrthancString::Clear()
363 {
364 if (str_ != NULL)
365 {
366 OrthancPluginFreeString(GetGlobalContext(), str_);
367 str_ = NULL;
368 }
369 }
370
371
372 void OrthancString::ToString(std::string& target) const
373 {
374 if (str_ == NULL)
375 {
376 target.clear();
377 }
378 else
379 {
380 target.assign(str_);
381 }
382 }
383
384
385 void OrthancString::ToJson(Json::Value& target) const
386 {
387 if (str_ == NULL)
388 {
389 LogError("Cannot convert an empty memory buffer to JSON");
390 ORTHANC_PLUGINS_THROW_EXCEPTION(InternalError);
391 }
392
393 Json::Reader reader;
394 if (!reader.parse(str_, target))
395 {
396 LogError("Cannot convert some memory buffer to JSON");
397 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat);
398 }
399 }
400
401
402 void MemoryBuffer::DicomToJson(Json::Value& target,
403 OrthancPluginDicomToJsonFormat format,
404 OrthancPluginDicomToJsonFlags flags,
405 uint32_t maxStringLength)
406 {
407 OrthancString str;
408 str.Assign(OrthancPluginDicomBufferToJson
409 (GetGlobalContext(), GetData(), GetSize(), format, flags, maxStringLength));
410 str.ToJson(target);
411 }
412
413
414 bool MemoryBuffer::HttpGet(const std::string& url,
415 const std::string& username,
416 const std::string& password)
417 {
418 Clear();
419 return CheckHttp(OrthancPluginHttpGet(GetGlobalContext(), &buffer_, url.c_str(),
420 username.empty() ? NULL : username.c_str(),
421 password.empty() ? NULL : password.c_str()));
422 }
423
424
425 bool MemoryBuffer::HttpPost(const std::string& url,
426 const std::string& body,
427 const std::string& username,
428 const std::string& password)
429 {
430 Clear();
431 return CheckHttp(OrthancPluginHttpPost(GetGlobalContext(), &buffer_, url.c_str(),
432 body.c_str(), body.size(),
433 username.empty() ? NULL : username.c_str(),
434 password.empty() ? NULL : password.c_str()));
435 }
436
437
438 bool MemoryBuffer::HttpPut(const std::string& url,
439 const std::string& body,
440 const std::string& username,
441 const std::string& password)
442 {
443 Clear();
444 return CheckHttp(OrthancPluginHttpPut(GetGlobalContext(), &buffer_, url.c_str(),
445 body.empty() ? NULL : body.c_str(),
446 body.size(),
447 username.empty() ? NULL : username.c_str(),
448 password.empty() ? NULL : password.c_str()));
449 }
450
451
452 void MemoryBuffer::GetDicomInstance(const std::string& instanceId)
453 {
454 Clear();
455 Check(OrthancPluginGetDicomForInstance(GetGlobalContext(), &buffer_, instanceId.c_str()));
456 }
457
458
459 bool HttpDelete(const std::string& url,
460 const std::string& username,
461 const std::string& password)
462 {
463 OrthancPluginErrorCode error = OrthancPluginHttpDelete
464 (GetGlobalContext(), url.c_str(),
465 username.empty() ? NULL : username.c_str(),
466 password.empty() ? NULL : password.c_str());
467
468 if (error == OrthancPluginErrorCode_Success)
469 {
470 return true;
471 }
472 else if (error == OrthancPluginErrorCode_UnknownResource ||
473 error == OrthancPluginErrorCode_InexistentItem)
474 {
475 return false;
476 }
477 else
478 {
479 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(error);
480 }
481 }
482
483
484 void LogError(const std::string& message)
485 {
486 if (HasGlobalContext())
487 {
488 OrthancPluginLogError(GetGlobalContext(), message.c_str());
489 }
490 }
491
492
493 void LogWarning(const std::string& message)
494 {
495 if (HasGlobalContext())
496 {
497 OrthancPluginLogWarning(GetGlobalContext(), message.c_str());
498 }
499 }
500
501
502 void LogInfo(const std::string& message)
503 {
504 if (HasGlobalContext())
505 {
506 OrthancPluginLogInfo(GetGlobalContext(), message.c_str());
507 }
508 }
509
510
511 void OrthancConfiguration::LoadConfiguration()
512 {
513 OrthancString str;
514 str.Assign(OrthancPluginGetConfiguration(GetGlobalContext()));
515
516 if (str.GetContent() == NULL)
517 {
518 LogError("Cannot access the Orthanc configuration");
519 ORTHANC_PLUGINS_THROW_EXCEPTION(InternalError);
520 }
521
522 str.ToJson(configuration_);
523
524 if (configuration_.type() != Json::objectValue)
525 {
526 LogError("Unable to read the Orthanc configuration");
527 ORTHANC_PLUGINS_THROW_EXCEPTION(InternalError);
528 }
529 }
530
531
532 OrthancConfiguration::OrthancConfiguration()
533 {
534 LoadConfiguration();
535 }
536
537
538 OrthancConfiguration::OrthancConfiguration(bool loadConfiguration)
539 {
540 if (loadConfiguration)
541 {
542 LoadConfiguration();
543 }
544 else
545 {
546 configuration_ = Json::objectValue;
547 }
548 }
549
550
551 std::string OrthancConfiguration::GetPath(const std::string& key) const
552 {
553 if (path_.empty())
554 {
555 return key;
556 }
557 else
558 {
559 return path_ + "." + key;
560 }
561 }
562
563
564 bool OrthancConfiguration::IsSection(const std::string& key) const
565 {
566 assert(configuration_.type() == Json::objectValue);
567
568 return (configuration_.isMember(key) &&
569 configuration_[key].type() == Json::objectValue);
570 }
571
572
573 void OrthancConfiguration::GetSection(OrthancConfiguration& target,
574 const std::string& key) const
575 {
576 assert(configuration_.type() == Json::objectValue);
577
578 target.path_ = GetPath(key);
579
580 if (!configuration_.isMember(key))
581 {
582 target.configuration_ = Json::objectValue;
583 }
584 else
585 {
586 if (configuration_[key].type() != Json::objectValue)
587 {
588 LogError("The configuration section \"" + target.path_ +
589 "\" is not an associative array as expected");
590
591 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat);
592 }
593
594 target.configuration_ = configuration_[key];
595 }
596 }
597
598
599 bool OrthancConfiguration::LookupStringValue(std::string& target,
600 const std::string& key) const
601 {
602 assert(configuration_.type() == Json::objectValue);
603
604 if (!configuration_.isMember(key))
605 {
606 return false;
607 }
608
609 if (configuration_[key].type() != Json::stringValue)
610 {
611 LogError("The configuration option \"" + GetPath(key) +
612 "\" is not a string as expected");
613
614 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat);
615 }
616
617 target = configuration_[key].asString();
618 return true;
619 }
620
621
622 bool OrthancConfiguration::LookupIntegerValue(int& target,
623 const std::string& key) const
624 {
625 assert(configuration_.type() == Json::objectValue);
626
627 if (!configuration_.isMember(key))
628 {
629 return false;
630 }
631
632 switch (configuration_[key].type())
633 {
634 case Json::intValue:
635 target = configuration_[key].asInt();
636 return true;
637
638 case Json::uintValue:
639 target = configuration_[key].asUInt();
640 return true;
641
642 default:
643 LogError("The configuration option \"" + GetPath(key) +
644 "\" is not an integer as expected");
645
646 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat);
647 }
648 }
649
650
651 bool OrthancConfiguration::LookupUnsignedIntegerValue(unsigned int& target,
652 const std::string& key) const
653 {
654 int tmp;
655 if (!LookupIntegerValue(tmp, key))
656 {
657 return false;
658 }
659
660 if (tmp < 0)
661 {
662 LogError("The configuration option \"" + GetPath(key) +
663 "\" is not a positive integer as expected");
664
665 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat);
666 }
667 else
668 {
669 target = static_cast<unsigned int>(tmp);
670 return true;
671 }
672 }
673
674
675 bool OrthancConfiguration::LookupBooleanValue(bool& target,
676 const std::string& key) const
677 {
678 assert(configuration_.type() == Json::objectValue);
679
680 if (!configuration_.isMember(key))
681 {
682 return false;
683 }
684
685 if (configuration_[key].type() != Json::booleanValue)
686 {
687 LogError("The configuration option \"" + GetPath(key) +
688 "\" is not a Boolean as expected");
689
690 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat);
691 }
692
693 target = configuration_[key].asBool();
694 return true;
695 }
696
697
698 bool OrthancConfiguration::LookupFloatValue(float& target,
699 const std::string& key) const
700 {
701 assert(configuration_.type() == Json::objectValue);
702
703 if (!configuration_.isMember(key))
704 {
705 return false;
706 }
707
708 switch (configuration_[key].type())
709 {
710 case Json::realValue:
711 target = configuration_[key].asFloat();
712 return true;
713
714 case Json::intValue:
715 target = static_cast<float>(configuration_[key].asInt());
716 return true;
717
718 case Json::uintValue:
719 target = static_cast<float>(configuration_[key].asUInt());
720 return true;
721
722 default:
723 LogError("The configuration option \"" + GetPath(key) +
724 "\" is not an integer as expected");
725
726 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat);
727 }
728 }
729
730
731 bool OrthancConfiguration::LookupListOfStrings(std::list<std::string>& target,
732 const std::string& key,
733 bool allowSingleString) const
734 {
735 assert(configuration_.type() == Json::objectValue);
736
737 target.clear();
738
739 if (!configuration_.isMember(key))
740 {
741 return false;
742 }
743
744 switch (configuration_[key].type())
745 {
746 case Json::arrayValue:
747 {
748 bool ok = true;
749
750 for (Json::Value::ArrayIndex i = 0; ok && i < configuration_[key].size(); i++)
751 {
752 if (configuration_[key][i].type() == Json::stringValue)
753 {
754 target.push_back(configuration_[key][i].asString());
755 }
756 else
757 {
758 ok = false;
759 }
760 }
761
762 if (ok)
763 {
764 return true;
765 }
766
767 break;
768 }
769
770 case Json::stringValue:
771 if (allowSingleString)
772 {
773 target.push_back(configuration_[key].asString());
774 return true;
775 }
776
777 break;
778
779 default:
780 break;
781 }
782
783 LogError("The configuration option \"" + GetPath(key) +
784 "\" is not a list of strings as expected");
785
786 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat);
787 }
788
789
790 bool OrthancConfiguration::LookupSetOfStrings(std::set<std::string>& target,
791 const std::string& key,
792 bool allowSingleString) const
793 {
794 std::list<std::string> lst;
795
796 if (LookupListOfStrings(lst, key, allowSingleString))
797 {
798 target.clear();
799
800 for (std::list<std::string>::const_iterator
801 it = lst.begin(); it != lst.end(); ++it)
802 {
803 target.insert(*it);
804 }
805
806 return true;
807 }
808 else
809 {
810 return false;
811 }
812 }
813
814
815 std::string OrthancConfiguration::GetStringValue(const std::string& key,
816 const std::string& defaultValue) const
817 {
818 std::string tmp;
819 if (LookupStringValue(tmp, key))
820 {
821 return tmp;
822 }
823 else
824 {
825 return defaultValue;
826 }
827 }
828
829
830 int OrthancConfiguration::GetIntegerValue(const std::string& key,
831 int defaultValue) const
832 {
833 int tmp;
834 if (LookupIntegerValue(tmp, key))
835 {
836 return tmp;
837 }
838 else
839 {
840 return defaultValue;
841 }
842 }
843
844
845 unsigned int OrthancConfiguration::GetUnsignedIntegerValue(const std::string& key,
846 unsigned int defaultValue) const
847 {
848 unsigned int tmp;
849 if (LookupUnsignedIntegerValue(tmp, key))
850 {
851 return tmp;
852 }
853 else
854 {
855 return defaultValue;
856 }
857 }
858
859
860 bool OrthancConfiguration::GetBooleanValue(const std::string& key,
861 bool defaultValue) const
862 {
863 bool tmp;
864 if (LookupBooleanValue(tmp, key))
865 {
866 return tmp;
867 }
868 else
869 {
870 return defaultValue;
871 }
872 }
873
874
875 float OrthancConfiguration::GetFloatValue(const std::string& key,
876 float defaultValue) const
877 {
878 float tmp;
879 if (LookupFloatValue(tmp, key))
880 {
881 return tmp;
882 }
883 else
884 {
885 return defaultValue;
886 }
887 }
888
889
890 void OrthancConfiguration::GetDictionary(std::map<std::string, std::string>& target,
891 const std::string& key) const
892 {
893 assert(configuration_.type() == Json::objectValue);
894
895 target.clear();
896
897 if (!configuration_.isMember(key))
898 {
899 return;
900 }
901
902 if (configuration_[key].type() != Json::objectValue)
903 {
904 LogError("The configuration option \"" + GetPath(key) +
905 "\" is not a string as expected");
906
907 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat);
908 }
909
910 Json::Value::Members members = configuration_[key].getMemberNames();
911
912 for (size_t i = 0; i < members.size(); i++)
913 {
914 const Json::Value& value = configuration_[key][members[i]];
915
916 if (value.type() == Json::stringValue)
917 {
918 target[members[i]] = value.asString();
919 }
920 else
921 {
922 LogError("The configuration option \"" + GetPath(key) +
923 "\" is not a dictionary mapping strings to strings");
924
925 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat);
926 }
927 }
928 }
929
930
931 void OrthancImage::Clear()
932 {
933 if (image_ != NULL)
934 {
935 OrthancPluginFreeImage(GetGlobalContext(), image_);
936 image_ = NULL;
937 }
938 }
939
940
941 void OrthancImage::CheckImageAvailable() const
942 {
943 if (image_ == NULL)
944 {
945 LogError("Trying to access a NULL image");
946 ORTHANC_PLUGINS_THROW_EXCEPTION(ParameterOutOfRange);
947 }
948 }
949
950
951 OrthancImage::OrthancImage() :
952 image_(NULL)
953 {
954 }
955
956
957 OrthancImage::OrthancImage(OrthancPluginImage* image) :
958 image_(image)
959 {
960 }
961
962
963 OrthancImage::OrthancImage(OrthancPluginPixelFormat format,
964 uint32_t width,
965 uint32_t height)
966 {
967 image_ = OrthancPluginCreateImage(GetGlobalContext(), format, width, height);
968
969 if (image_ == NULL)
970 {
971 LogError("Cannot create an image");
972 ORTHANC_PLUGINS_THROW_EXCEPTION(InternalError);
973 }
974 }
975
976
977 OrthancImage::OrthancImage(OrthancPluginPixelFormat format,
978 uint32_t width,
979 uint32_t height,
980 uint32_t pitch,
981 void* buffer)
982 {
983 image_ = OrthancPluginCreateImageAccessor
984 (GetGlobalContext(), format, width, height, pitch, buffer);
985
986 if (image_ == NULL)
987 {
988 LogError("Cannot create an image accessor");
989 ORTHANC_PLUGINS_THROW_EXCEPTION(InternalError);
990 }
991 }
992
993 void OrthancImage::UncompressPngImage(const void* data,
994 size_t size)
995 {
996 Clear();
997
998 image_ = OrthancPluginUncompressImage(GetGlobalContext(), data, size, OrthancPluginImageFormat_Png);
999
1000 if (image_ == NULL)
1001 {
1002 LogError("Cannot uncompress a PNG image");
1003 ORTHANC_PLUGINS_THROW_EXCEPTION(ParameterOutOfRange);
1004 }
1005 }
1006
1007
1008 void OrthancImage::UncompressJpegImage(const void* data,
1009 size_t size)
1010 {
1011 Clear();
1012 image_ = OrthancPluginUncompressImage(GetGlobalContext(), data, size, OrthancPluginImageFormat_Jpeg);
1013 if (image_ == NULL)
1014 {
1015 LogError("Cannot uncompress a JPEG image");
1016 ORTHANC_PLUGINS_THROW_EXCEPTION(ParameterOutOfRange);
1017 }
1018 }
1019
1020
1021 void OrthancImage::DecodeDicomImage(const void* data,
1022 size_t size,
1023 unsigned int frame)
1024 {
1025 Clear();
1026 image_ = OrthancPluginDecodeDicomImage(GetGlobalContext(), data, size, frame);
1027 if (image_ == NULL)
1028 {
1029 LogError("Cannot uncompress a DICOM image");
1030 ORTHANC_PLUGINS_THROW_EXCEPTION(ParameterOutOfRange);
1031 }
1032 }
1033
1034
1035 OrthancPluginPixelFormat OrthancImage::GetPixelFormat() const
1036 {
1037 CheckImageAvailable();
1038 return OrthancPluginGetImagePixelFormat(GetGlobalContext(), image_);
1039 }
1040
1041
1042 unsigned int OrthancImage::GetWidth() const
1043 {
1044 CheckImageAvailable();
1045 return OrthancPluginGetImageWidth(GetGlobalContext(), image_);
1046 }
1047
1048
1049 unsigned int OrthancImage::GetHeight() const
1050 {
1051 CheckImageAvailable();
1052 return OrthancPluginGetImageHeight(GetGlobalContext(), image_);
1053 }
1054
1055
1056 unsigned int OrthancImage::GetPitch() const
1057 {
1058 CheckImageAvailable();
1059 return OrthancPluginGetImagePitch(GetGlobalContext(), image_);
1060 }
1061
1062
1063 void* OrthancImage::GetBuffer() const
1064 {
1065 CheckImageAvailable();
1066 return OrthancPluginGetImageBuffer(GetGlobalContext(), image_);
1067 }
1068
1069
1070 void OrthancImage::CompressPngImage(MemoryBuffer& target) const
1071 {
1072 CheckImageAvailable();
1073
1074 OrthancPlugins::MemoryBuffer answer;
1075 OrthancPluginCompressPngImage(GetGlobalContext(), *answer, GetPixelFormat(),
1076 GetWidth(), GetHeight(), GetPitch(), GetBuffer());
1077
1078 target.Swap(answer);
1079 }
1080
1081
1082 void OrthancImage::CompressJpegImage(MemoryBuffer& target,
1083 uint8_t quality) const
1084 {
1085 CheckImageAvailable();
1086
1087 OrthancPlugins::MemoryBuffer answer;
1088 OrthancPluginCompressJpegImage(GetGlobalContext(), *answer, GetPixelFormat(),
1089 GetWidth(), GetHeight(), GetPitch(), GetBuffer(), quality);
1090
1091 target.Swap(answer);
1092 }
1093
1094
1095 void OrthancImage::AnswerPngImage(OrthancPluginRestOutput* output) const
1096 {
1097 CheckImageAvailable();
1098 OrthancPluginCompressAndAnswerPngImage(GetGlobalContext(), output, GetPixelFormat(),
1099 GetWidth(), GetHeight(), GetPitch(), GetBuffer());
1100 }
1101
1102
1103 void OrthancImage::AnswerJpegImage(OrthancPluginRestOutput* output,
1104 uint8_t quality) const
1105 {
1106 CheckImageAvailable();
1107 OrthancPluginCompressAndAnswerJpegImage(GetGlobalContext(), output, GetPixelFormat(),
1108 GetWidth(), GetHeight(), GetPitch(), GetBuffer(), quality);
1109 }
1110
1111
1112 OrthancPluginImage* OrthancImage::Release()
1113 {
1114 CheckImageAvailable();
1115 OrthancPluginImage* tmp = image_;
1116 image_ = NULL;
1117 return tmp;
1118 }
1119
1120
1121 #if HAS_ORTHANC_PLUGIN_FIND_MATCHER == 1
1122 FindMatcher::FindMatcher(const OrthancPluginWorklistQuery* worklist) :
1123 matcher_(NULL),
1124 worklist_(worklist)
1125 {
1126 if (worklist_ == NULL)
1127 {
1128 ORTHANC_PLUGINS_THROW_EXCEPTION(ParameterOutOfRange);
1129 }
1130 }
1131
1132
1133 void FindMatcher::SetupDicom(const void* query,
1134 uint32_t size)
1135 {
1136 worklist_ = NULL;
1137
1138 matcher_ = OrthancPluginCreateFindMatcher(GetGlobalContext(), query, size);
1139 if (matcher_ == NULL)
1140 {
1141 ORTHANC_PLUGINS_THROW_EXCEPTION(InternalError);
1142 }
1143 }
1144
1145
1146 FindMatcher::~FindMatcher()
1147 {
1148 // The "worklist_" field
1149
1150 if (matcher_ != NULL)
1151 {
1152 OrthancPluginFreeFindMatcher(GetGlobalContext(), matcher_);
1153 }
1154 }
1155
1156
1157
1158 bool FindMatcher::IsMatch(const void* dicom,
1159 uint32_t size) const
1160 {
1161 int32_t result;
1162
1163 if (matcher_ != NULL)
1164 {
1165 result = OrthancPluginFindMatcherIsMatch(GetGlobalContext(), matcher_, dicom, size);
1166 }
1167 else if (worklist_ != NULL)
1168 {
1169 result = OrthancPluginWorklistIsMatch(GetGlobalContext(), worklist_, dicom, size);
1170 }
1171 else
1172 {
1173 ORTHANC_PLUGINS_THROW_EXCEPTION(InternalError);
1174 }
1175
1176 if (result == 0)
1177 {
1178 return false;
1179 }
1180 else if (result == 1)
1181 {
1182 return true;
1183 }
1184 else
1185 {
1186 ORTHANC_PLUGINS_THROW_EXCEPTION(InternalError);
1187 }
1188 }
1189
1190 #endif /* HAS_ORTHANC_PLUGIN_FIND_MATCHER == 1 */
1191
1192 void AnswerJson(const Json::Value& value,
1193 OrthancPluginRestOutput* output
1194 )
1195 {
1196 Json::StyledWriter writer;
1197 std::string bodyString = writer.write(value);
1198
1199 OrthancPluginAnswerBuffer(GetGlobalContext(), output, bodyString.c_str(), bodyString.size(), "application/json");
1200 }
1201
1202 void AnswerString(const std::string& answer,
1203 const char* mimeType,
1204 OrthancPluginRestOutput* output
1205 )
1206 {
1207 OrthancPluginAnswerBuffer(GetGlobalContext(), output, answer.c_str(), answer.size(), mimeType);
1208 }
1209
1210 void AnswerHttpError(uint16_t httpError, OrthancPluginRestOutput *output)
1211 {
1212 OrthancPluginSendHttpStatusCode(GetGlobalContext(), output, httpError);
1213 }
1214
1215 void AnswerMethodNotAllowed(OrthancPluginRestOutput *output, const char* allowedMethods)
1216 {
1217 OrthancPluginSendMethodNotAllowed(GetGlobalContext(), output, allowedMethods);
1218 }
1219
1220 bool RestApiGetString(std::string& result,
1221 const std::string& uri,
1222 bool applyPlugins)
1223 {
1224 MemoryBuffer answer;
1225 if (!answer.RestApiGet(uri, applyPlugins))
1226 {
1227 return false;
1228 }
1229 else
1230 {
1231 answer.ToString(result);
1232 return true;
1233 }
1234 }
1235
1236 bool RestApiGetString(std::string& result,
1237 const std::string& uri,
1238 const std::map<std::string, std::string>& httpHeaders,
1239 bool applyPlugins)
1240 {
1241 MemoryBuffer answer;
1242 if (!answer.RestApiGet(uri, httpHeaders, applyPlugins))
1243 {
1244 return false;
1245 }
1246 else
1247 {
1248 answer.ToString(result);
1249 return true;
1250 }
1251 }
1252
1253
1254
1255 bool RestApiGet(Json::Value& result,
1256 const std::string& uri,
1257 bool applyPlugins)
1258 {
1259 MemoryBuffer answer;
1260
1261 if (!answer.RestApiGet(uri, applyPlugins))
1262 {
1263 return false;
1264 }
1265 else
1266 {
1267 if (!answer.IsEmpty())
1268 {
1269 answer.ToJson(result);
1270 }
1271 return true;
1272 }
1273 }
1274
1275
1276 bool RestApiPost(std::string& result,
1277 const std::string& uri,
1278 const void* body,
1279 size_t bodySize,
1280 bool applyPlugins)
1281 {
1282 MemoryBuffer answer;
1283
1284 if (!answer.RestApiPost(uri, body, bodySize, applyPlugins))
1285 {
1286 return false;
1287 }
1288 else
1289 {
1290 if (!answer.IsEmpty())
1291 {
1292 result.assign(answer.GetData(), answer.GetSize());
1293 }
1294 return true;
1295 }
1296 }
1297
1298
1299 bool RestApiPost(Json::Value& result,
1300 const std::string& uri,
1301 const void* body,
1302 size_t bodySize,
1303 bool applyPlugins)
1304 {
1305 MemoryBuffer answer;
1306
1307 if (!answer.RestApiPost(uri, body, bodySize, applyPlugins))
1308 {
1309 return false;
1310 }
1311 else
1312 {
1313 if (!answer.IsEmpty())
1314 {
1315 answer.ToJson(result);
1316 }
1317 return true;
1318 }
1319 }
1320
1321
1322 bool RestApiPost(Json::Value& result,
1323 const std::string& uri,
1324 const Json::Value& body,
1325 bool applyPlugins)
1326 {
1327 Json::FastWriter writer;
1328 return RestApiPost(result, uri, writer.write(body), applyPlugins);
1329 }
1330
1331
1332 bool RestApiPut(Json::Value& result,
1333 const std::string& uri,
1334 const void* body,
1335 size_t bodySize,
1336 bool applyPlugins)
1337 {
1338 MemoryBuffer answer;
1339
1340 if (!answer.RestApiPut(uri, body, bodySize, applyPlugins))
1341 {
1342 return false;
1343 }
1344 else
1345 {
1346 if (!answer.IsEmpty()) // i.e, on a PUT to metadata/..., orthanc returns an empty response
1347 {
1348 answer.ToJson(result);
1349 }
1350 return true;
1351 }
1352 }
1353
1354
1355 bool RestApiPut(Json::Value& result,
1356 const std::string& uri,
1357 const Json::Value& body,
1358 bool applyPlugins)
1359 {
1360 Json::FastWriter writer;
1361 return RestApiPut(result, uri, writer.write(body), applyPlugins);
1362 }
1363
1364
1365 bool RestApiDelete(const std::string& uri,
1366 bool applyPlugins)
1367 {
1368 OrthancPluginErrorCode error;
1369
1370 if (applyPlugins)
1371 {
1372 error = OrthancPluginRestApiDeleteAfterPlugins(GetGlobalContext(), uri.c_str());
1373 }
1374 else
1375 {
1376 error = OrthancPluginRestApiDelete(GetGlobalContext(), uri.c_str());
1377 }
1378
1379 if (error == OrthancPluginErrorCode_Success)
1380 {
1381 return true;
1382 }
1383 else if (error == OrthancPluginErrorCode_UnknownResource ||
1384 error == OrthancPluginErrorCode_InexistentItem)
1385 {
1386 return false;
1387 }
1388 else
1389 {
1390 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(error);
1391 }
1392 }
1393
1394
1395 void ReportMinimalOrthancVersion(unsigned int major,
1396 unsigned int minor,
1397 unsigned int revision)
1398 {
1399 LogError("Your version of the Orthanc core (" +
1400 std::string(GetGlobalContext()->orthancVersion) +
1401 ") is too old to run this plugin (version " +
1402 boost::lexical_cast<std::string>(major) + "." +
1403 boost::lexical_cast<std::string>(minor) + "." +
1404 boost::lexical_cast<std::string>(revision) +
1405 " is required)");
1406 }
1407
1408
1409 bool CheckMinimalOrthancVersion(unsigned int major,
1410 unsigned int minor,
1411 unsigned int revision)
1412 {
1413 if (!HasGlobalContext())
1414 {
1415 LogError("Bad Orthanc context in the plugin");
1416 return false;
1417 }
1418
1419 if (!strcmp(GetGlobalContext()->orthancVersion, "mainline"))
1420 {
1421 // Assume compatibility with the mainline
1422 return true;
1423 }
1424
1425 // Parse the version of the Orthanc core
1426 int aa, bb, cc;
1427 if (
1428 #ifdef _MSC_VER
1429 sscanf_s
1430 #else
1431 sscanf
1432 #endif
1433 (GetGlobalContext()->orthancVersion, "%4d.%4d.%4d", &aa, &bb, &cc) != 3 ||
1434 aa < 0 ||
1435 bb < 0 ||
1436 cc < 0)
1437 {
1438 return false;
1439 }
1440
1441 unsigned int a = static_cast<unsigned int>(aa);
1442 unsigned int b = static_cast<unsigned int>(bb);
1443 unsigned int c = static_cast<unsigned int>(cc);
1444
1445 // Check the major version number
1446
1447 if (a > major)
1448 {
1449 return true;
1450 }
1451
1452 if (a < major)
1453 {
1454 return false;
1455 }
1456
1457
1458 // Check the minor version number
1459 assert(a == major);
1460
1461 if (b > minor)
1462 {
1463 return true;
1464 }
1465
1466 if (b < minor)
1467 {
1468 return false;
1469 }
1470
1471 // Check the patch level version number
1472 assert(a == major && b == minor);
1473
1474 if (c >= revision)
1475 {
1476 return true;
1477 }
1478 else
1479 {
1480 return false;
1481 }
1482 }
1483
1484
1485 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 5, 0)
1486 const char* AutodetectMimeType(const std::string& path)
1487 {
1488 const char* mime = OrthancPluginAutodetectMimeType(GetGlobalContext(), path.c_str());
1489
1490 if (mime == NULL)
1491 {
1492 // Should never happen, just for safety
1493 return "application/octet-stream";
1494 }
1495 else
1496 {
1497 return mime;
1498 }
1499 }
1500 #endif
1501
1502
1503 #if HAS_ORTHANC_PLUGIN_PEERS == 1
1504 size_t OrthancPeers::GetPeerIndex(const std::string& name) const
1505 {
1506 size_t index;
1507 if (LookupName(index, name))
1508 {
1509 return index;
1510 }
1511 else
1512 {
1513 LogError("Inexistent peer: " + name);
1514 ORTHANC_PLUGINS_THROW_EXCEPTION(UnknownResource);
1515 }
1516 }
1517
1518
1519 OrthancPeers::OrthancPeers() :
1520 peers_(NULL),
1521 timeout_(0)
1522 {
1523 peers_ = OrthancPluginGetPeers(GetGlobalContext());
1524
1525 if (peers_ == NULL)
1526 {
1527 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(OrthancPluginErrorCode_Plugin);
1528 }
1529
1530 uint32_t count = OrthancPluginGetPeersCount(GetGlobalContext(), peers_);
1531
1532 for (uint32_t i = 0; i < count; i++)
1533 {
1534 const char* name = OrthancPluginGetPeerName(GetGlobalContext(), peers_, i);
1535 if (name == NULL)
1536 {
1537 OrthancPluginFreePeers(GetGlobalContext(), peers_);
1538 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(OrthancPluginErrorCode_Plugin);
1539 }
1540
1541 index_[name] = i;
1542 }
1543 }
1544
1545
1546 OrthancPeers::~OrthancPeers()
1547 {
1548 if (peers_ != NULL)
1549 {
1550 OrthancPluginFreePeers(GetGlobalContext(), peers_);
1551 }
1552 }
1553
1554
1555 bool OrthancPeers::LookupName(size_t& target,
1556 const std::string& name) const
1557 {
1558 Index::const_iterator found = index_.find(name);
1559
1560 if (found == index_.end())
1561 {
1562 return false;
1563 }
1564 else
1565 {
1566 target = found->second;
1567 return true;
1568 }
1569 }
1570
1571
1572 std::string OrthancPeers::GetPeerName(size_t index) const
1573 {
1574 if (index >= index_.size())
1575 {
1576 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(OrthancPluginErrorCode_ParameterOutOfRange);
1577 }
1578 else
1579 {
1580 const char* s = OrthancPluginGetPeerName(GetGlobalContext(), peers_, static_cast<uint32_t>(index));
1581 if (s == NULL)
1582 {
1583 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(OrthancPluginErrorCode_Plugin);
1584 }
1585 else
1586 {
1587 return s;
1588 }
1589 }
1590 }
1591
1592
1593 std::string OrthancPeers::GetPeerUrl(size_t index) const
1594 {
1595 if (index >= index_.size())
1596 {
1597 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(OrthancPluginErrorCode_ParameterOutOfRange);
1598 }
1599 else
1600 {
1601 const char* s = OrthancPluginGetPeerUrl(GetGlobalContext(), peers_, static_cast<uint32_t>(index));
1602 if (s == NULL)
1603 {
1604 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(OrthancPluginErrorCode_Plugin);
1605 }
1606 else
1607 {
1608 return s;
1609 }
1610 }
1611 }
1612
1613
1614 std::string OrthancPeers::GetPeerUrl(const std::string& name) const
1615 {
1616 return GetPeerUrl(GetPeerIndex(name));
1617 }
1618
1619
1620 bool OrthancPeers::LookupUserProperty(std::string& value,
1621 size_t index,
1622 const std::string& key) const
1623 {
1624 if (index >= index_.size())
1625 {
1626 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(OrthancPluginErrorCode_ParameterOutOfRange);
1627 }
1628 else
1629 {
1630 const char* s = OrthancPluginGetPeerUserProperty(GetGlobalContext(), peers_, static_cast<uint32_t>(index), key.c_str());
1631 if (s == NULL)
1632 {
1633 return false;
1634 }
1635 else
1636 {
1637 value.assign(s);
1638 return true;
1639 }
1640 }
1641 }
1642
1643
1644 bool OrthancPeers::LookupUserProperty(std::string& value,
1645 const std::string& peer,
1646 const std::string& key) const
1647 {
1648 return LookupUserProperty(value, GetPeerIndex(peer), key);
1649 }
1650
1651
1652 bool OrthancPeers::DoGet(MemoryBuffer& target,
1653 size_t index,
1654 const std::string& uri) const
1655 {
1656 if (index >= index_.size())
1657 {
1658 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(OrthancPluginErrorCode_ParameterOutOfRange);
1659 }
1660
1661 OrthancPlugins::MemoryBuffer answer;
1662 uint16_t status;
1663 OrthancPluginErrorCode code = OrthancPluginCallPeerApi
1664 (GetGlobalContext(), *answer, NULL, &status, peers_,
1665 static_cast<uint32_t>(index), OrthancPluginHttpMethod_Get, uri.c_str(),
1666 0, NULL, NULL, NULL, 0, timeout_);
1667
1668 if (code == OrthancPluginErrorCode_Success)
1669 {
1670 target.Swap(answer);
1671 return (status == 200);
1672 }
1673 else
1674 {
1675 return false;
1676 }
1677 }
1678
1679
1680 bool OrthancPeers::DoGet(MemoryBuffer& target,
1681 const std::string& name,
1682 const std::string& uri) const
1683 {
1684 size_t index;
1685 return (LookupName(index, name) &&
1686 DoGet(target, index, uri));
1687 }
1688
1689
1690 bool OrthancPeers::DoGet(Json::Value& target,
1691 size_t index,
1692 const std::string& uri) const
1693 {
1694 MemoryBuffer buffer;
1695
1696 if (DoGet(buffer, index, uri))
1697 {
1698 buffer.ToJson(target);
1699 return true;
1700 }
1701 else
1702 {
1703 return false;
1704 }
1705 }
1706
1707
1708 bool OrthancPeers::DoGet(Json::Value& target,
1709 const std::string& name,
1710 const std::string& uri) const
1711 {
1712 MemoryBuffer buffer;
1713
1714 if (DoGet(buffer, name, uri))
1715 {
1716 buffer.ToJson(target);
1717 return true;
1718 }
1719 else
1720 {
1721 return false;
1722 }
1723 }
1724
1725
1726 bool OrthancPeers::DoPost(MemoryBuffer& target,
1727 const std::string& name,
1728 const std::string& uri,
1729 const std::string& body) const
1730 {
1731 size_t index;
1732 return (LookupName(index, name) &&
1733 DoPost(target, index, uri, body));
1734 }
1735
1736
1737 bool OrthancPeers::DoPost(Json::Value& target,
1738 size_t index,
1739 const std::string& uri,
1740 const std::string& body) const
1741 {
1742 MemoryBuffer buffer;
1743
1744 if (DoPost(buffer, index, uri, body))
1745 {
1746 buffer.ToJson(target);
1747 return true;
1748 }
1749 else
1750 {
1751 return false;
1752 }
1753 }
1754
1755
1756 bool OrthancPeers::DoPost(Json::Value& target,
1757 const std::string& name,
1758 const std::string& uri,
1759 const std::string& body) const
1760 {
1761 MemoryBuffer buffer;
1762
1763 if (DoPost(buffer, name, uri, body))
1764 {
1765 buffer.ToJson(target);
1766 return true;
1767 }
1768 else
1769 {
1770 return false;
1771 }
1772 }
1773
1774
1775 bool OrthancPeers::DoPost(MemoryBuffer& target,
1776 size_t index,
1777 const std::string& uri,
1778 const std::string& body) const
1779 {
1780 if (index >= index_.size())
1781 {
1782 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(OrthancPluginErrorCode_ParameterOutOfRange);
1783 }
1784
1785 OrthancPlugins::MemoryBuffer answer;
1786 uint16_t status;
1787 OrthancPluginErrorCode code = OrthancPluginCallPeerApi
1788 (GetGlobalContext(), *answer, NULL, &status, peers_,
1789 static_cast<uint32_t>(index), OrthancPluginHttpMethod_Post, uri.c_str(),
1790 0, NULL, NULL, body.empty() ? NULL : body.c_str(), body.size(), timeout_);
1791
1792 if (code == OrthancPluginErrorCode_Success)
1793 {
1794 target.Swap(answer);
1795 return (status == 200);
1796 }
1797 else
1798 {
1799 return false;
1800 }
1801 }
1802
1803
1804 bool OrthancPeers::DoPut(size_t index,
1805 const std::string& uri,
1806 const std::string& body) const
1807 {
1808 if (index >= index_.size())
1809 {
1810 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(OrthancPluginErrorCode_ParameterOutOfRange);
1811 }
1812
1813 OrthancPlugins::MemoryBuffer answer;
1814 uint16_t status;
1815 OrthancPluginErrorCode code = OrthancPluginCallPeerApi
1816 (GetGlobalContext(), *answer, NULL, &status, peers_,
1817 static_cast<uint32_t>(index), OrthancPluginHttpMethod_Put, uri.c_str(),
1818 0, NULL, NULL, body.empty() ? NULL : body.c_str(), body.size(), timeout_);
1819
1820 if (code == OrthancPluginErrorCode_Success)
1821 {
1822 return (status == 200);
1823 }
1824 else
1825 {
1826 return false;
1827 }
1828 }
1829
1830
1831 bool OrthancPeers::DoPut(const std::string& name,
1832 const std::string& uri,
1833 const std::string& body) const
1834 {
1835 size_t index;
1836 return (LookupName(index, name) &&
1837 DoPut(index, uri, body));
1838 }
1839
1840
1841 bool OrthancPeers::DoDelete(size_t index,
1842 const std::string& uri) const
1843 {
1844 if (index >= index_.size())
1845 {
1846 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(OrthancPluginErrorCode_ParameterOutOfRange);
1847 }
1848
1849 OrthancPlugins::MemoryBuffer answer;
1850 uint16_t status;
1851 OrthancPluginErrorCode code = OrthancPluginCallPeerApi
1852 (GetGlobalContext(), *answer, NULL, &status, peers_,
1853 static_cast<uint32_t>(index), OrthancPluginHttpMethod_Delete, uri.c_str(),
1854 0, NULL, NULL, NULL, 0, timeout_);
1855
1856 if (code == OrthancPluginErrorCode_Success)
1857 {
1858 return (status == 200);
1859 }
1860 else
1861 {
1862 return false;
1863 }
1864 }
1865
1866
1867 bool OrthancPeers::DoDelete(const std::string& name,
1868 const std::string& uri) const
1869 {
1870 size_t index;
1871 return (LookupName(index, name) &&
1872 DoDelete(index, uri));
1873 }
1874 #endif
1875
1876
1877
1878
1879
1880 /******************************************************************
1881 ** JOBS
1882 ******************************************************************/
1883
1884 #if HAS_ORTHANC_PLUGIN_JOB == 1
1885 void OrthancJob::CallbackFinalize(void* job)
1886 {
1887 if (job != NULL)
1888 {
1889 delete reinterpret_cast<OrthancJob*>(job);
1890 }
1891 }
1892
1893
1894 float OrthancJob::CallbackGetProgress(void* job)
1895 {
1896 assert(job != NULL);
1897
1898 try
1899 {
1900 return reinterpret_cast<OrthancJob*>(job)->progress_;
1901 }
1902 catch (...)
1903 {
1904 return 0;
1905 }
1906 }
1907
1908
1909 const char* OrthancJob::CallbackGetContent(void* job)
1910 {
1911 assert(job != NULL);
1912
1913 try
1914 {
1915 return reinterpret_cast<OrthancJob*>(job)->content_.c_str();
1916 }
1917 catch (...)
1918 {
1919 return 0;
1920 }
1921 }
1922
1923
1924 const char* OrthancJob::CallbackGetSerialized(void* job)
1925 {
1926 assert(job != NULL);
1927
1928 try
1929 {
1930 const OrthancJob& tmp = *reinterpret_cast<OrthancJob*>(job);
1931
1932 if (tmp.hasSerialized_)
1933 {
1934 return tmp.serialized_.c_str();
1935 }
1936 else
1937 {
1938 return NULL;
1939 }
1940 }
1941 catch (...)
1942 {
1943 return 0;
1944 }
1945 }
1946
1947
1948 OrthancPluginJobStepStatus OrthancJob::CallbackStep(void* job)
1949 {
1950 assert(job != NULL);
1951
1952 try
1953 {
1954 return reinterpret_cast<OrthancJob*>(job)->Step();
1955 }
1956 catch (ORTHANC_PLUGINS_EXCEPTION_CLASS&)
1957 {
1958 return OrthancPluginJobStepStatus_Failure;
1959 }
1960 catch (...)
1961 {
1962 return OrthancPluginJobStepStatus_Failure;
1963 }
1964 }
1965
1966
1967 OrthancPluginErrorCode OrthancJob::CallbackStop(void* job,
1968 OrthancPluginJobStopReason reason)
1969 {
1970 assert(job != NULL);
1971
1972 try
1973 {
1974 reinterpret_cast<OrthancJob*>(job)->Stop(reason);
1975 return OrthancPluginErrorCode_Success;
1976 }
1977 catch (ORTHANC_PLUGINS_EXCEPTION_CLASS& e)
1978 {
1979 return static_cast<OrthancPluginErrorCode>(e.GetErrorCode());
1980 }
1981 catch (...)
1982 {
1983 return OrthancPluginErrorCode_Plugin;
1984 }
1985 }
1986
1987
1988 OrthancPluginErrorCode OrthancJob::CallbackReset(void* job)
1989 {
1990 assert(job != NULL);
1991
1992 try
1993 {
1994 reinterpret_cast<OrthancJob*>(job)->Reset();
1995 return OrthancPluginErrorCode_Success;
1996 }
1997 catch (ORTHANC_PLUGINS_EXCEPTION_CLASS& e)
1998 {
1999 return static_cast<OrthancPluginErrorCode>(e.GetErrorCode());
2000 }
2001 catch (...)
2002 {
2003 return OrthancPluginErrorCode_Plugin;
2004 }
2005 }
2006
2007
2008 void OrthancJob::ClearContent()
2009 {
2010 Json::Value empty = Json::objectValue;
2011 UpdateContent(empty);
2012 }
2013
2014
2015 void OrthancJob::UpdateContent(const Json::Value& content)
2016 {
2017 if (content.type() != Json::objectValue)
2018 {
2019 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(OrthancPluginErrorCode_BadFileFormat);
2020 }
2021 else
2022 {
2023 Json::FastWriter writer;
2024 content_ = writer.write(content);
2025 }
2026 }
2027
2028
2029 void OrthancJob::ClearSerialized()
2030 {
2031 hasSerialized_ = false;
2032 serialized_.clear();
2033 }
2034
2035
2036 void OrthancJob::UpdateSerialized(const Json::Value& serialized)
2037 {
2038 if (serialized.type() != Json::objectValue)
2039 {
2040 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(OrthancPluginErrorCode_BadFileFormat);
2041 }
2042 else
2043 {
2044 Json::FastWriter writer;
2045 serialized_ = writer.write(serialized);
2046 hasSerialized_ = true;
2047 }
2048 }
2049
2050
2051 void OrthancJob::UpdateProgress(float progress)
2052 {
2053 if (progress < 0 ||
2054 progress > 1)
2055 {
2056 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(OrthancPluginErrorCode_ParameterOutOfRange);
2057 }
2058
2059 progress_ = progress;
2060 }
2061
2062
2063 OrthancJob::OrthancJob(const std::string& jobType) :
2064 jobType_(jobType),
2065 progress_(0)
2066 {
2067 ClearContent();
2068 ClearSerialized();
2069 }
2070
2071
2072 OrthancPluginJob* OrthancJob::Create(OrthancJob* job)
2073 {
2074 if (job == NULL)
2075 {
2076 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(OrthancPluginErrorCode_NullPointer);
2077 }
2078
2079 OrthancPluginJob* orthanc = OrthancPluginCreateJob(
2080 GetGlobalContext(), job, CallbackFinalize, job->jobType_.c_str(),
2081 CallbackGetProgress, CallbackGetContent, CallbackGetSerialized,
2082 CallbackStep, CallbackStop, CallbackReset);
2083
2084 if (orthanc == NULL)
2085 {
2086 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(OrthancPluginErrorCode_Plugin);
2087 }
2088 else
2089 {
2090 return orthanc;
2091 }
2092 }
2093
2094
2095 std::string OrthancJob::Submit(OrthancJob* job,
2096 int priority)
2097 {
2098 if (job == NULL)
2099 {
2100 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(OrthancPluginErrorCode_NullPointer);
2101 }
2102
2103 OrthancPluginJob* orthanc = Create(job);
2104
2105 char* id = OrthancPluginSubmitJob(GetGlobalContext(), orthanc, priority);
2106
2107 if (id == NULL)
2108 {
2109 LogError("Plugin cannot submit job");
2110 OrthancPluginFreeJob(GetGlobalContext(), orthanc);
2111 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(OrthancPluginErrorCode_Plugin);
2112 }
2113 else
2114 {
2115 std::string tmp(id);
2116 tmp.assign(id);
2117 OrthancPluginFreeString(GetGlobalContext(), id);
2118
2119 return tmp;
2120 }
2121 }
2122
2123
2124 void OrthancJob::SubmitAndWait(Json::Value& result,
2125 OrthancJob* job /* takes ownership */,
2126 int priority)
2127 {
2128 std::string id = Submit(job, priority);
2129
2130 for (;;)
2131 {
2132 boost::this_thread::sleep(boost::posix_time::milliseconds(100));
2133
2134 Json::Value status;
2135 if (!RestApiGet(status, "/jobs/" + id, false) ||
2136 !status.isMember("State") ||
2137 status["State"].type() != Json::stringValue)
2138 {
2139 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(OrthancPluginErrorCode_InexistentItem);
2140 }
2141
2142 const std::string state = status["State"].asString();
2143 if (state == "Success")
2144 {
2145 if (status.isMember("Content"))
2146 {
2147 result = status["Content"];
2148 }
2149 else
2150 {
2151 result = Json::objectValue;
2152 }
2153
2154 return;
2155 }
2156 else if (state == "Running")
2157 {
2158 continue;
2159 }
2160 else if (!status.isMember("ErrorCode") ||
2161 status["ErrorCode"].type() != Json::intValue)
2162 {
2163 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(OrthancPluginErrorCode_InternalError);
2164 }
2165 else
2166 {
2167 if (!status.isMember("ErrorDescription") ||
2168 status["ErrorDescription"].type() != Json::stringValue)
2169 {
2170 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(status["ErrorCode"].asInt());
2171 }
2172 else
2173 {
2174 #if HAS_ORTHANC_EXCEPTION == 1
2175 throw Orthanc::OrthancException(static_cast<Orthanc::ErrorCode>(status["ErrorCode"].asInt()),
2176 status["ErrorDescription"].asString());
2177 #else
2178 LogError("Exception while executing the job: " + status["ErrorDescription"].asString());
2179 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(status["ErrorCode"].asInt());
2180 #endif
2181 }
2182 }
2183 }
2184 }
2185
2186
2187 void OrthancJob::SubmitFromRestApiPost(OrthancPluginRestOutput* output,
2188 const Json::Value& body,
2189 OrthancJob* job)
2190 {
2191 static const char* KEY_SYNCHRONOUS = "Synchronous";
2192 static const char* KEY_ASYNCHRONOUS = "Asynchronous";
2193 static const char* KEY_PRIORITY = "Priority";
2194
2195 boost::movelib::unique_ptr<OrthancJob> protection(job);
2196
2197 if (body.type() != Json::objectValue)
2198 {
2199 #if HAS_ORTHANC_EXCEPTION == 1
2200 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat,
2201 "Expected a JSON object in the body");
2202 #else
2203 LogError("Expected a JSON object in the body");
2204 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat);
2205 #endif
2206 }
2207
2208 bool synchronous = true;
2209
2210 if (body.isMember(KEY_SYNCHRONOUS))
2211 {
2212 if (body[KEY_SYNCHRONOUS].type() != Json::booleanValue)
2213 {
2214 #if HAS_ORTHANC_EXCEPTION == 1
2215 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat,
2216 "Option \"" + std::string(KEY_SYNCHRONOUS) +
2217 "\" must be Boolean");
2218 #else
2219 LogError("Option \"" + std::string(KEY_SYNCHRONOUS) + "\" must be Boolean");
2220 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat);
2221 #endif
2222 }
2223 else
2224 {
2225 synchronous = body[KEY_SYNCHRONOUS].asBool();
2226 }
2227 }
2228
2229 if (body.isMember(KEY_ASYNCHRONOUS))
2230 {
2231 if (body[KEY_ASYNCHRONOUS].type() != Json::booleanValue)
2232 {
2233 #if HAS_ORTHANC_EXCEPTION == 1
2234 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat,
2235 "Option \"" + std::string(KEY_ASYNCHRONOUS) +
2236 "\" must be Boolean");
2237 #else
2238 LogError("Option \"" + std::string(KEY_ASYNCHRONOUS) + "\" must be Boolean");
2239 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat);
2240 #endif
2241 }
2242 else
2243 {
2244 synchronous = !body[KEY_ASYNCHRONOUS].asBool();
2245 }
2246 }
2247
2248 int priority = 0;
2249
2250 if (body.isMember(KEY_PRIORITY))
2251 {
2252 if (body[KEY_PRIORITY].type() != Json::booleanValue)
2253 {
2254 #if HAS_ORTHANC_EXCEPTION == 1
2255 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat,
2256 "Option \"" + std::string(KEY_PRIORITY) +
2257 "\" must be an integer");
2258 #else
2259 LogError("Option \"" + std::string(KEY_PRIORITY) + "\" must be an integer");
2260 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat);
2261 #endif
2262 }
2263 else
2264 {
2265 priority = !body[KEY_PRIORITY].asInt();
2266 }
2267 }
2268
2269 Json::Value result;
2270
2271 if (synchronous)
2272 {
2273 OrthancPlugins::OrthancJob::SubmitAndWait(result, protection.release(), priority);
2274 }
2275 else
2276 {
2277 std::string id = OrthancPlugins::OrthancJob::Submit(protection.release(), priority);
2278
2279 result = Json::objectValue;
2280 result["ID"] = id;
2281 result["Path"] = "/jobs/" + id;
2282 }
2283
2284 std::string s = result.toStyledString();
2285 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, s.c_str(),
2286 s.size(), "application/json");
2287 }
2288
2289 #endif
2290
2291
2292
2293
2294 /******************************************************************
2295 ** METRICS
2296 ******************************************************************/
2297
2298 #if HAS_ORTHANC_PLUGIN_METRICS == 1
2299 MetricsTimer::MetricsTimer(const char* name) :
2300 name_(name)
2301 {
2302 start_ = boost::posix_time::microsec_clock::universal_time();
2303 }
2304
2305 MetricsTimer::~MetricsTimer()
2306 {
2307 const boost::posix_time::ptime stop = boost::posix_time::microsec_clock::universal_time();
2308 const boost::posix_time::time_duration diff = stop - start_;
2309 OrthancPluginSetMetricsValue(GetGlobalContext(), name_.c_str(), static_cast<float>(diff.total_milliseconds()),
2310 OrthancPluginMetricsType_Timer);
2311 }
2312 #endif
2313
2314
2315
2316
2317 /******************************************************************
2318 ** HTTP CLIENT
2319 ******************************************************************/
2320
2321 #if HAS_ORTHANC_PLUGIN_HTTP_CLIENT == 1
2322 class HttpClient::RequestBodyWrapper : public boost::noncopyable
2323 {
2324 private:
2325 static RequestBodyWrapper& GetObject(void* body)
2326 {
2327 assert(body != NULL);
2328 return *reinterpret_cast<RequestBodyWrapper*>(body);
2329 }
2330
2331 IRequestBody& body_;
2332 bool done_;
2333 std::string chunk_;
2334
2335 public:
2336 RequestBodyWrapper(IRequestBody& body) :
2337 body_(body),
2338 done_(false)
2339 {
2340 }
2341
2342 static uint8_t IsDone(void* body)
2343 {
2344 return GetObject(body).done_;
2345 }
2346
2347 static const void* GetChunkData(void* body)
2348 {
2349 return GetObject(body).chunk_.c_str();
2350 }
2351
2352 static uint32_t GetChunkSize(void* body)
2353 {
2354 return static_cast<uint32_t>(GetObject(body).chunk_.size());
2355 }
2356
2357 static OrthancPluginErrorCode Next(void* body)
2358 {
2359 RequestBodyWrapper& that = GetObject(body);
2360
2361 if (that.done_)
2362 {
2363 return OrthancPluginErrorCode_BadSequenceOfCalls;
2364 }
2365 else
2366 {
2367 try
2368 {
2369 that.done_ = !that.body_.ReadNextChunk(that.chunk_);
2370 return OrthancPluginErrorCode_Success;
2371 }
2372 catch (ORTHANC_PLUGINS_EXCEPTION_CLASS& e)
2373 {
2374 return static_cast<OrthancPluginErrorCode>(e.GetErrorCode());
2375 }
2376 catch (...)
2377 {
2378 return OrthancPluginErrorCode_InternalError;
2379 }
2380 }
2381 }
2382 };
2383
2384
2385 #if HAS_ORTHANC_PLUGIN_CHUNKED_HTTP_CLIENT == 1
2386 static OrthancPluginErrorCode AnswerAddHeaderCallback(void* answer,
2387 const char* key,
2388 const char* value)
2389 {
2390 assert(answer != NULL && key != NULL && value != NULL);
2391
2392 try
2393 {
2394 reinterpret_cast<HttpClient::IAnswer*>(answer)->AddHeader(key, value);
2395 return OrthancPluginErrorCode_Success;
2396 }
2397 catch (ORTHANC_PLUGINS_EXCEPTION_CLASS& e)
2398 {
2399 return static_cast<OrthancPluginErrorCode>(e.GetErrorCode());
2400 }
2401 catch (...)
2402 {
2403 return OrthancPluginErrorCode_Plugin;
2404 }
2405 }
2406 #endif
2407
2408
2409 #if HAS_ORTHANC_PLUGIN_CHUNKED_HTTP_CLIENT == 1
2410 static OrthancPluginErrorCode AnswerAddChunkCallback(void* answer,
2411 const void* data,
2412 uint32_t size)
2413 {
2414 assert(answer != NULL);
2415
2416 try
2417 {
2418 reinterpret_cast<HttpClient::IAnswer*>(answer)->AddChunk(data, size);
2419 return OrthancPluginErrorCode_Success;
2420 }
2421 catch (ORTHANC_PLUGINS_EXCEPTION_CLASS& e)
2422 {
2423 return static_cast<OrthancPluginErrorCode>(e.GetErrorCode());
2424 }
2425 catch (...)
2426 {
2427 return OrthancPluginErrorCode_Plugin;
2428 }
2429 }
2430 #endif
2431
2432
2433 HttpClient::HttpClient() :
2434 httpStatus_(0),
2435 method_(OrthancPluginHttpMethod_Get),
2436 timeout_(0),
2437 pkcs11_(false),
2438 chunkedBody_(NULL),
2439 allowChunkedTransfers_(true)
2440 {
2441 }
2442
2443
2444 void HttpClient::AddHeaders(const HttpHeaders& headers)
2445 {
2446 for (HttpHeaders::const_iterator it = headers.begin();
2447 it != headers.end(); ++it)
2448 {
2449 headers_[it->first] = it->second;
2450 }
2451 }
2452
2453
2454 void HttpClient::SetCredentials(const std::string& username,
2455 const std::string& password)
2456 {
2457 username_ = username;
2458 password_ = password;
2459 }
2460
2461
2462 void HttpClient::ClearCredentials()
2463 {
2464 username_.empty();
2465 password_.empty();
2466 }
2467
2468
2469 void HttpClient::SetCertificate(const std::string& certificateFile,
2470 const std::string& keyFile,
2471 const std::string& keyPassword)
2472 {
2473 certificateFile_ = certificateFile;
2474 certificateKeyFile_ = keyFile;
2475 certificateKeyPassword_ = keyPassword;
2476 }
2477
2478
2479 void HttpClient::ClearCertificate()
2480 {
2481 certificateFile_.clear();
2482 certificateKeyFile_.clear();
2483 certificateKeyPassword_.clear();
2484 }
2485
2486
2487 void HttpClient::ClearBody()
2488 {
2489 fullBody_.clear();
2490 chunkedBody_ = NULL;
2491 }
2492
2493
2494 void HttpClient::SwapBody(std::string& body)
2495 {
2496 fullBody_.swap(body);
2497 chunkedBody_ = NULL;
2498 }
2499
2500
2501 void HttpClient::SetBody(const std::string& body)
2502 {
2503 fullBody_ = body;
2504 chunkedBody_ = NULL;
2505 }
2506
2507
2508 void HttpClient::SetBody(IRequestBody& body)
2509 {
2510 fullBody_.clear();
2511 chunkedBody_ = &body;
2512 }
2513
2514
2515 namespace
2516 {
2517 class HeadersWrapper : public boost::noncopyable
2518 {
2519 private:
2520 std::vector<const char*> headersKeys_;
2521 std::vector<const char*> headersValues_;
2522
2523 public:
2524 HeadersWrapper(const HttpClient::HttpHeaders& headers)
2525 {
2526 headersKeys_.reserve(headers.size());
2527 headersValues_.reserve(headers.size());
2528
2529 for (HttpClient::HttpHeaders::const_iterator it = headers.begin(); it != headers.end(); ++it)
2530 {
2531 headersKeys_.push_back(it->first.c_str());
2532 headersValues_.push_back(it->second.c_str());
2533 }
2534 }
2535
2536 void AddStaticString(const char* key,
2537 const char* value)
2538 {
2539 headersKeys_.push_back(key);
2540 headersValues_.push_back(value);
2541 }
2542
2543 uint32_t GetCount() const
2544 {
2545 return headersKeys_.size();
2546 }
2547
2548 const char* const* GetKeys() const
2549 {
2550 return headersKeys_.empty() ? NULL : &headersKeys_[0];
2551 }
2552
2553 const char* const* GetValues() const
2554 {
2555 return headersValues_.empty() ? NULL : &headersValues_[0];
2556 }
2557 };
2558
2559
2560 class MemoryRequestBody : public HttpClient::IRequestBody
2561 {
2562 private:
2563 std::string body_;
2564 bool done_;
2565
2566 public:
2567 MemoryRequestBody(const std::string& body) :
2568 body_(body),
2569 done_(false)
2570 {
2571 if (body_.empty())
2572 {
2573 done_ = true;
2574 }
2575 }
2576
2577 virtual bool ReadNextChunk(std::string& chunk)
2578 {
2579 if (done_)
2580 {
2581 return false;
2582 }
2583 else
2584 {
2585 chunk.swap(body_);
2586 done_ = true;
2587 return true;
2588 }
2589 }
2590 };
2591
2592
2593 // This class mimics Orthanc::ChunkedBuffer
2594 class ChunkedBuffer : public boost::noncopyable
2595 {
2596 private:
2597 typedef std::list<std::string*> Content;
2598
2599 Content content_;
2600 size_t size_;
2601
2602 public:
2603 ChunkedBuffer() :
2604 size_(0)
2605 {
2606 }
2607
2608 ~ChunkedBuffer()
2609 {
2610 Clear();
2611 }
2612
2613 void Clear()
2614 {
2615 for (Content::iterator it = content_.begin(); it != content_.end(); ++it)
2616 {
2617 assert(*it != NULL);
2618 delete *it;
2619 }
2620
2621 content_.clear();
2622 }
2623
2624 void Flatten(std::string& target) const
2625 {
2626 target.resize(size_);
2627
2628 size_t pos = 0;
2629
2630 for (Content::const_iterator it = content_.begin(); it != content_.end(); ++it)
2631 {
2632 assert(*it != NULL);
2633 size_t s = (*it)->size();
2634
2635 if (s != 0)
2636 {
2637 memcpy(&target[pos], (*it)->c_str(), s);
2638 pos += s;
2639 }
2640 }
2641
2642 assert(size_ == 0 ||
2643 pos == target.size());
2644 }
2645
2646 void AddChunk(const void* data,
2647 size_t size)
2648 {
2649 content_.push_back(new std::string(reinterpret_cast<const char*>(data), size));
2650 size_ += size;
2651 }
2652
2653 void AddChunk(const std::string& chunk)
2654 {
2655 content_.push_back(new std::string(chunk));
2656 size_ += chunk.size();
2657 }
2658 };
2659
2660
2661 #if HAS_ORTHANC_PLUGIN_CHUNKED_HTTP_CLIENT == 1
2662 class MemoryAnswer : public HttpClient::IAnswer
2663 {
2664 private:
2665 HttpClient::HttpHeaders headers_;
2666 ChunkedBuffer body_;
2667
2668 public:
2669 const HttpClient::HttpHeaders& GetHeaders() const
2670 {
2671 return headers_;
2672 }
2673
2674 const ChunkedBuffer& GetBody() const
2675 {
2676 return body_;
2677 }
2678
2679 virtual void AddHeader(const std::string& key,
2680 const std::string& value)
2681 {
2682 headers_[key] = value;
2683 }
2684
2685 virtual void AddChunk(const void* data,
2686 size_t size)
2687 {
2688 body_.AddChunk(data, size);
2689 }
2690 };
2691 #endif
2692 }
2693
2694
2695 #if HAS_ORTHANC_PLUGIN_CHUNKED_HTTP_CLIENT == 1
2696 void HttpClient::ExecuteWithStream(uint16_t& httpStatus,
2697 IAnswer& answer,
2698 IRequestBody& body) const
2699 {
2700 HeadersWrapper h(headers_);
2701
2702 if (method_ == OrthancPluginHttpMethod_Post ||
2703 method_ == OrthancPluginHttpMethod_Put)
2704 {
2705 // Automatically set the "Transfer-Encoding" header if absent
2706 bool found = false;
2707
2708 for (HttpHeaders::const_iterator it = headers_.begin(); it != headers_.end(); ++it)
2709 {
2710 if (boost::iequals(it->first, "Transfer-Encoding"))
2711 {
2712 found = true;
2713 break;
2714 }
2715 }
2716
2717 if (!found)
2718 {
2719 h.AddStaticString("Transfer-Encoding", "chunked");
2720 }
2721 }
2722
2723 RequestBodyWrapper request(body);
2724
2725 OrthancPluginErrorCode error = OrthancPluginChunkedHttpClient(
2726 GetGlobalContext(),
2727 &answer,
2728 AnswerAddChunkCallback,
2729 AnswerAddHeaderCallback,
2730 &httpStatus,
2731 method_,
2732 url_.c_str(),
2733 h.GetCount(),
2734 h.GetKeys(),
2735 h.GetValues(),
2736 &request,
2737 RequestBodyWrapper::IsDone,
2738 RequestBodyWrapper::GetChunkData,
2739 RequestBodyWrapper::GetChunkSize,
2740 RequestBodyWrapper::Next,
2741 username_.empty() ? NULL : username_.c_str(),
2742 password_.empty() ? NULL : password_.c_str(),
2743 timeout_,
2744 certificateFile_.empty() ? NULL : certificateFile_.c_str(),
2745 certificateFile_.empty() ? NULL : certificateKeyFile_.c_str(),
2746 certificateFile_.empty() ? NULL : certificateKeyPassword_.c_str(),
2747 pkcs11_ ? 1 : 0);
2748
2749 if (error != OrthancPluginErrorCode_Success)
2750 {
2751 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(error);
2752 }
2753 }
2754 #endif
2755
2756
2757 void HttpClient::ExecuteWithoutStream(uint16_t& httpStatus,
2758 HttpHeaders& answerHeaders,
2759 std::string& answerBody,
2760 const std::string& body) const
2761 {
2762 HeadersWrapper headers(headers_);
2763
2764 MemoryBuffer answerBodyBuffer, answerHeadersBuffer;
2765
2766 OrthancPluginErrorCode error = OrthancPluginHttpClient(
2767 GetGlobalContext(),
2768 *answerBodyBuffer,
2769 *answerHeadersBuffer,
2770 &httpStatus,
2771 method_,
2772 url_.c_str(),
2773 headers.GetCount(),
2774 headers.GetKeys(),
2775 headers.GetValues(),
2776 body.empty() ? NULL : body.c_str(),
2777 body.size(),
2778 username_.empty() ? NULL : username_.c_str(),
2779 password_.empty() ? NULL : password_.c_str(),
2780 timeout_,
2781 certificateFile_.empty() ? NULL : certificateFile_.c_str(),
2782 certificateFile_.empty() ? NULL : certificateKeyFile_.c_str(),
2783 certificateFile_.empty() ? NULL : certificateKeyPassword_.c_str(),
2784 pkcs11_ ? 1 : 0);
2785
2786 if (error != OrthancPluginErrorCode_Success)
2787 {
2788 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(error);
2789 }
2790
2791 Json::Value v;
2792 answerHeadersBuffer.ToJson(v);
2793
2794 if (v.type() != Json::objectValue)
2795 {
2796 ORTHANC_PLUGINS_THROW_EXCEPTION(InternalError);
2797 }
2798
2799 Json::Value::Members members = v.getMemberNames();
2800 answerHeaders.clear();
2801
2802 for (size_t i = 0; i < members.size(); i++)
2803 {
2804 const Json::Value& h = v[members[i]];
2805 if (h.type() != Json::stringValue)
2806 {
2807 ORTHANC_PLUGINS_THROW_EXCEPTION(InternalError);
2808 }
2809 else
2810 {
2811 answerHeaders[members[i]] = h.asString();
2812 }
2813 }
2814
2815 answerBodyBuffer.ToString(answerBody);
2816 }
2817
2818
2819 void HttpClient::Execute(IAnswer& answer)
2820 {
2821 #if HAS_ORTHANC_PLUGIN_CHUNKED_HTTP_CLIENT == 1
2822 if (allowChunkedTransfers_)
2823 {
2824 if (chunkedBody_ != NULL)
2825 {
2826 ExecuteWithStream(httpStatus_, answer, *chunkedBody_);
2827 }
2828 else
2829 {
2830 MemoryRequestBody wrapper(fullBody_);
2831 ExecuteWithStream(httpStatus_, answer, wrapper);
2832 }
2833
2834 return;
2835 }
2836 #endif
2837
2838 // Compatibility mode for Orthanc SDK <= 1.5.6 or if chunked
2839 // transfers are disabled. This results in higher memory usage
2840 // (all chunks from the answer body are sent at once)
2841
2842 HttpHeaders answerHeaders;
2843 std::string answerBody;
2844 Execute(answerHeaders, answerBody);
2845
2846 for (HttpHeaders::const_iterator it = answerHeaders.begin();
2847 it != answerHeaders.end(); ++it)
2848 {
2849 answer.AddHeader(it->first, it->second);
2850 }
2851
2852 if (!answerBody.empty())
2853 {
2854 answer.AddChunk(answerBody.c_str(), answerBody.size());
2855 }
2856 }
2857
2858
2859 void HttpClient::Execute(HttpHeaders& answerHeaders /* out */,
2860 std::string& answerBody /* out */)
2861 {
2862 #if HAS_ORTHANC_PLUGIN_CHUNKED_HTTP_CLIENT == 1
2863 if (allowChunkedTransfers_)
2864 {
2865 MemoryAnswer answer;
2866 Execute(answer);
2867 answerHeaders = answer.GetHeaders();
2868 answer.GetBody().Flatten(answerBody);
2869 return;
2870 }
2871 #endif
2872
2873 // Compatibility mode for Orthanc SDK <= 1.5.6 or if chunked
2874 // transfers are disabled. This results in higher memory usage
2875 // (all chunks from the request body are sent at once)
2876
2877 if (chunkedBody_ != NULL)
2878 {
2879 ChunkedBuffer buffer;
2880
2881 std::string chunk;
2882 while (chunkedBody_->ReadNextChunk(chunk))
2883 {
2884 buffer.AddChunk(chunk);
2885 }
2886
2887 std::string body;
2888 buffer.Flatten(body);
2889
2890 ExecuteWithoutStream(httpStatus_, answerHeaders, answerBody, body);
2891 }
2892 else
2893 {
2894 ExecuteWithoutStream(httpStatus_, answerHeaders, answerBody, fullBody_);
2895 }
2896 }
2897
2898
2899 void HttpClient::Execute(HttpHeaders& answerHeaders /* out */,
2900 Json::Value& answerBody /* out */)
2901 {
2902 std::string body;
2903 Execute(answerHeaders, body);
2904
2905 Json::Reader reader;
2906 if (!reader.parse(body, answerBody))
2907 {
2908 LogError("Cannot convert HTTP answer body to JSON");
2909 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat);
2910 }
2911 }
2912
2913
2914 void HttpClient::Execute()
2915 {
2916 HttpHeaders answerHeaders;
2917 std::string body;
2918 Execute(answerHeaders, body);
2919 }
2920
2921 #endif /* HAS_ORTHANC_PLUGIN_HTTP_CLIENT == 1 */
2922
2923
2924
2925
2926
2927 /******************************************************************
2928 ** CHUNKED HTTP SERVER
2929 ******************************************************************/
2930
2931 namespace Internals
2932 {
2933 void NullRestCallback(OrthancPluginRestOutput* output,
2934 const char* url,
2935 const OrthancPluginHttpRequest* request)
2936 {
2937 }
2938
2939 IChunkedRequestReader *NullChunkedRestCallback(const char* url,
2940 const OrthancPluginHttpRequest* request)
2941 {
2942 return NULL;
2943 }
2944
2945
2946 #if HAS_ORTHANC_PLUGIN_CHUNKED_HTTP_SERVER == 1
2947
2948 OrthancPluginErrorCode ChunkedRequestReaderAddChunk(
2949 OrthancPluginServerChunkedRequestReader* reader,
2950 const void* data,
2951 uint32_t size)
2952 {
2953 try
2954 {
2955 if (reader == NULL)
2956 {
2957 return OrthancPluginErrorCode_InternalError;
2958 }
2959
2960 reinterpret_cast<IChunkedRequestReader*>(reader)->AddChunk(data, size);
2961 return OrthancPluginErrorCode_Success;
2962 }
2963 catch (ORTHANC_PLUGINS_EXCEPTION_CLASS& e)
2964 {
2965 return static_cast<OrthancPluginErrorCode>(e.GetErrorCode());
2966 }
2967 catch (boost::bad_lexical_cast&)
2968 {
2969 return OrthancPluginErrorCode_BadFileFormat;
2970 }
2971 catch (...)
2972 {
2973 return OrthancPluginErrorCode_Plugin;
2974 }
2975 }
2976
2977
2978 OrthancPluginErrorCode ChunkedRequestReaderExecute(
2979 OrthancPluginServerChunkedRequestReader* reader,
2980 OrthancPluginRestOutput* output)
2981 {
2982 try
2983 {
2984 if (reader == NULL)
2985 {
2986 return OrthancPluginErrorCode_InternalError;
2987 }
2988
2989 reinterpret_cast<IChunkedRequestReader*>(reader)->Execute(output);
2990 return OrthancPluginErrorCode_Success;
2991 }
2992 catch (ORTHANC_PLUGINS_EXCEPTION_CLASS& e)
2993 {
2994 return static_cast<OrthancPluginErrorCode>(e.GetErrorCode());
2995 }
2996 catch (boost::bad_lexical_cast&)
2997 {
2998 return OrthancPluginErrorCode_BadFileFormat;
2999 }
3000 catch (...)
3001 {
3002 return OrthancPluginErrorCode_Plugin;
3003 }
3004 }
3005
3006
3007 void ChunkedRequestReaderFinalize(
3008 OrthancPluginServerChunkedRequestReader* reader)
3009 {
3010 if (reader != NULL)
3011 {
3012 delete reinterpret_cast<IChunkedRequestReader*>(reader);
3013 }
3014 }
3015
3016 #else
3017
3018 OrthancPluginErrorCode ChunkedRestCompatibility(OrthancPluginRestOutput* output,
3019 const char* url,
3020 const OrthancPluginHttpRequest* request,
3021 RestCallback GetHandler,
3022 ChunkedRestCallback PostHandler,
3023 RestCallback DeleteHandler,
3024 ChunkedRestCallback PutHandler)
3025 {
3026 try
3027 {
3028 std::string allowed;
3029
3030 if (GetHandler != Internals::NullRestCallback)
3031 {
3032 allowed += "GET";
3033 }
3034
3035 if (PostHandler != Internals::NullChunkedRestCallback)
3036 {
3037 if (!allowed.empty())
3038 {
3039 allowed += ",";
3040 }
3041
3042 allowed += "POST";
3043 }
3044
3045 if (DeleteHandler != Internals::NullRestCallback)
3046 {
3047 if (!allowed.empty())
3048 {
3049 allowed += ",";
3050 }
3051
3052 allowed += "DELETE";
3053 }
3054
3055 if (PutHandler != Internals::NullChunkedRestCallback)
3056 {
3057 if (!allowed.empty())
3058 {
3059 allowed += ",";
3060 }
3061
3062 allowed += "PUT";
3063 }
3064
3065 switch (request->method)
3066 {
3067 case OrthancPluginHttpMethod_Get:
3068 if (GetHandler == Internals::NullRestCallback)
3069 {
3070 OrthancPluginSendMethodNotAllowed(GetGlobalContext(), output, allowed.c_str());
3071 }
3072 else
3073 {
3074 GetHandler(output, url, request);
3075 }
3076
3077 break;
3078
3079 case OrthancPluginHttpMethod_Post:
3080 if (PostHandler == Internals::NullChunkedRestCallback)
3081 {
3082 OrthancPluginSendMethodNotAllowed(GetGlobalContext(), output, allowed.c_str());
3083 }
3084 else
3085 {
3086 boost::movelib::unique_ptr<IChunkedRequestReader> reader(PostHandler(url, request));
3087 if (reader.get() == NULL)
3088 {
3089 ORTHANC_PLUGINS_THROW_EXCEPTION(Plugin);
3090 }
3091 else
3092 {
3093 reader->AddChunk(request->body, request->bodySize);
3094 reader->Execute(output);
3095 }
3096 }
3097
3098 break;
3099
3100 case OrthancPluginHttpMethod_Delete:
3101 if (DeleteHandler == Internals::NullRestCallback)
3102 {
3103 OrthancPluginSendMethodNotAllowed(GetGlobalContext(), output, allowed.c_str());
3104 }
3105 else
3106 {
3107 DeleteHandler(output, url, request);
3108 }
3109
3110 break;
3111
3112 case OrthancPluginHttpMethod_Put:
3113 if (PutHandler == Internals::NullChunkedRestCallback)
3114 {
3115 OrthancPluginSendMethodNotAllowed(GetGlobalContext(), output, allowed.c_str());
3116 }
3117 else
3118 {
3119 boost::movelib::unique_ptr<IChunkedRequestReader> reader(PutHandler(url, request));
3120 if (reader.get() == NULL)
3121 {
3122 ORTHANC_PLUGINS_THROW_EXCEPTION(Plugin);
3123 }
3124 else
3125 {
3126 reader->AddChunk(request->body, request->bodySize);
3127 reader->Execute(output);
3128 }
3129 }
3130
3131 break;
3132
3133 default:
3134 ORTHANC_PLUGINS_THROW_EXCEPTION(InternalError);
3135 }
3136
3137 return OrthancPluginErrorCode_Success;
3138 }
3139 catch (ORTHANC_PLUGINS_EXCEPTION_CLASS& e)
3140 {
3141 #if HAS_ORTHANC_EXCEPTION == 1 && HAS_ORTHANC_PLUGIN_EXCEPTION_DETAILS == 1
3142 if (HasGlobalContext() &&
3143 e.HasDetails())
3144 {
3145 // The "false" instructs Orthanc not to log the detailed
3146 // error message. This is to avoid duplicating the details,
3147 // because "OrthancException" already does it on construction.
3148 OrthancPluginSetHttpErrorDetails
3149 (GetGlobalContext(), output, e.GetDetails(), false);
3150 }
3151 #endif
3152
3153 return static_cast<OrthancPluginErrorCode>(e.GetErrorCode());
3154 }
3155 catch (boost::bad_lexical_cast&)
3156 {
3157 return OrthancPluginErrorCode_BadFileFormat;
3158 }
3159 catch (...)
3160 {
3161 return OrthancPluginErrorCode_Plugin;
3162 }
3163 }
3164 #endif
3165 }
3166
3167
3168 #if HAS_ORTHANC_PLUGIN_STORAGE_COMMITMENT_SCP == 1
3169 OrthancPluginErrorCode IStorageCommitmentScpHandler::Lookup(
3170 OrthancPluginStorageCommitmentFailureReason* target,
3171 void* rawHandler,
3172 const char* sopClassUid,
3173 const char* sopInstanceUid)
3174 {
3175 assert(target != NULL &&
3176 rawHandler != NULL);
3177
3178 try
3179 {
3180 IStorageCommitmentScpHandler& handler = *reinterpret_cast<IStorageCommitmentScpHandler*>(rawHandler);
3181 *target = handler.Lookup(sopClassUid, sopInstanceUid);
3182 return OrthancPluginErrorCode_Success;
3183 }
3184 catch (ORTHANC_PLUGINS_EXCEPTION_CLASS& e)
3185 {
3186 return static_cast<OrthancPluginErrorCode>(e.GetErrorCode());
3187 }
3188 catch (...)
3189 {
3190 return OrthancPluginErrorCode_Plugin;
3191 }
3192 }
3193 #endif
3194
3195
3196 #if HAS_ORTHANC_PLUGIN_STORAGE_COMMITMENT_SCP == 1
3197 void IStorageCommitmentScpHandler::Destructor(void* rawHandler)
3198 {
3199 assert(rawHandler != NULL);
3200 delete reinterpret_cast<IStorageCommitmentScpHandler*>(rawHandler);
3201 }
3202 #endif
3203
3204
3205 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 6, 1)
3206 DicomInstance::DicomInstance(const OrthancPluginDicomInstance* instance) :
3207 toFree_(false),
3208 instance_(instance)
3209 {
3210 }
3211 #else
3212 DicomInstance::DicomInstance(OrthancPluginDicomInstance* instance) :
3213 toFree_(false),
3214 instance_(instance)
3215 {
3216 }
3217 #endif
3218
3219
3220 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 7, 0)
3221 DicomInstance::DicomInstance(const void* buffer,
3222 size_t size) :
3223 toFree_(true),
3224 instance_(OrthancPluginCreateDicomInstance(GetGlobalContext(), buffer, size))
3225 {
3226 if (instance_ == NULL)
3227 {
3228 ORTHANC_PLUGINS_THROW_EXCEPTION(NullPointer);
3229 }
3230 }
3231 #endif
3232
3233
3234 DicomInstance::~DicomInstance()
3235 {
3236 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 7, 0)
3237 if (toFree_ &&
3238 instance_ != NULL)
3239 {
3240 OrthancPluginFreeDicomInstance(
3241 GetGlobalContext(), const_cast<OrthancPluginDicomInstance*>(instance_));
3242 }
3243 #endif
3244 }
3245
3246
3247 std::string DicomInstance::GetRemoteAet() const
3248 {
3249 const char* s = OrthancPluginGetInstanceRemoteAet(GetGlobalContext(), instance_);
3250 if (s == NULL)
3251 {
3252 ORTHANC_PLUGINS_THROW_EXCEPTION(Plugin);
3253 }
3254 else
3255 {
3256 return std::string(s);
3257 }
3258 }
3259
3260
3261 void DicomInstance::GetJson(Json::Value& target) const
3262 {
3263 OrthancString s;
3264 s.Assign(OrthancPluginGetInstanceJson(GetGlobalContext(), instance_));
3265 s.ToJson(target);
3266 }
3267
3268
3269 void DicomInstance::GetSimplifiedJson(Json::Value& target) const
3270 {
3271 OrthancString s;
3272 s.Assign(OrthancPluginGetInstanceSimplifiedJson(GetGlobalContext(), instance_));
3273 s.ToJson(target);
3274 }
3275
3276
3277 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 6, 1)
3278 std::string DicomInstance::GetTransferSyntaxUid() const
3279 {
3280 OrthancString s;
3281 s.Assign(OrthancPluginGetInstanceTransferSyntaxUid(GetGlobalContext(), instance_));
3282
3283 std::string result;
3284 s.ToString(result);
3285 return result;
3286 }
3287 #endif
3288
3289
3290 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 6, 1)
3291 bool DicomInstance::HasPixelData() const
3292 {
3293 int32_t result = OrthancPluginHasInstancePixelData(GetGlobalContext(), instance_);
3294 if (result < 0)
3295 {
3296 ORTHANC_PLUGINS_THROW_EXCEPTION(Plugin);
3297 }
3298 else
3299 {
3300 return (result != 0);
3301 }
3302 }
3303 #endif
3304
3305
3306 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 7, 0)
3307 void DicomInstance::GetRawFrame(std::string& target,
3308 unsigned int frameIndex) const
3309 {
3310 MemoryBuffer buffer;
3311 OrthancPluginErrorCode code = OrthancPluginGetInstanceRawFrame(
3312 GetGlobalContext(), *buffer, instance_, frameIndex);
3313
3314 if (code == OrthancPluginErrorCode_Success)
3315 {
3316 buffer.ToString(target);
3317 }
3318 else
3319 {
3320 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(code);
3321 }
3322 }
3323 #endif
3324
3325
3326 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 7, 0)
3327 OrthancImage* DicomInstance::GetDecodedFrame(unsigned int frameIndex) const
3328 {
3329 OrthancPluginImage* image = OrthancPluginGetInstanceDecodedFrame(
3330 GetGlobalContext(), instance_, frameIndex);
3331
3332 if (image == NULL)
3333 {
3334 ORTHANC_PLUGINS_THROW_EXCEPTION(Plugin);
3335 }
3336 else
3337 {
3338 return new OrthancImage(image);
3339 }
3340 }
3341 #endif
3342
3343
3344 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 7, 0)
3345 void DicomInstance::Serialize(std::string& target) const
3346 {
3347 MemoryBuffer buffer;
3348 OrthancPluginErrorCode code = OrthancPluginSerializeDicomInstance(
3349 GetGlobalContext(), *buffer, instance_);
3350
3351 if (code == OrthancPluginErrorCode_Success)
3352 {
3353 buffer.ToString(target);
3354 }
3355 else
3356 {
3357 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(code);
3358 }
3359 }
3360 #endif
3361
3362
3363 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 7, 0)
3364 DicomInstance* DicomInstance::Transcode(const void* buffer,
3365 size_t size,
3366 const std::string& transferSyntax)
3367 {
3368 OrthancPluginDicomInstance* instance = OrthancPluginTranscodeDicomInstance(
3369 GetGlobalContext(), buffer, size, transferSyntax.c_str());
3370
3371 if (instance == NULL)
3372 {
3373 ORTHANC_PLUGINS_THROW_EXCEPTION(Plugin);
3374 }
3375 else
3376 {
3377 boost::movelib::unique_ptr<DicomInstance> result(new DicomInstance(instance));
3378 result->toFree_ = true;
3379 return result.release();
3380 }
3381 }
3382 #endif
3383 }