Mercurial > hg > orthanc
annotate OrthancServer/ServerJobs/ArchiveJob.cpp @ 3493:c465c6ee2bfb
merge
| author | Benjamin Golinvaux <bgo@osimis.io> |
|---|---|
| date | Mon, 19 Aug 2019 10:18:04 +0200 |
| parents | e44e0127e553 |
| children | 94f4a18a79cc |
| rev | line source |
|---|---|
| 2632 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium |
| 2632 | 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 * In addition, as a special exception, the copyright holders of this | |
| 13 * program give permission to link the code of its release with the | |
| 14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 15 * that use the same license as the "OpenSSL" library), and distribute | |
| 16 * the linked executables. You must obey the GNU General Public License | |
| 17 * in all respects for all of the code used other than "OpenSSL". If you | |
| 18 * modify file(s) with this exception, you may extend this exception to | |
| 19 * your version of the file(s), but you are not obligated to do so. If | |
| 20 * you do not wish to do so, delete this exception statement from your | |
| 21 * version. If you delete this exception statement from all source files | |
| 22 * in the program, then also delete it here. | |
| 23 * | |
| 24 * This program is distributed in the hope that it will be useful, but | |
| 25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 27 * General Public License for more details. | |
| 28 * | |
| 29 * You should have received a copy of the GNU General Public License | |
| 30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 31 **/ | |
| 32 | |
| 33 | |
| 34 #include "../PrecompiledHeadersServer.h" | |
| 35 #include "ArchiveJob.h" | |
| 36 | |
|
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37 #include "../../Core/Cache/SharedArchive.h" |
| 2632 | 38 #include "../../Core/Compression/HierarchicalZipWriter.h" |
| 39 #include "../../Core/DicomParsing/DicomDirWriter.h" | |
| 40 #include "../../Core/Logging.h" | |
| 41 #include "../../Core/OrthancException.h" | |
|
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42 #include "../OrthancConfiguration.h" |
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43 #include "../ServerContext.h" |
| 2632 | 44 |
| 45 #include <stdio.h> | |
| 46 | |
| 47 #if defined(_MSC_VER) | |
| 48 #define snprintf _snprintf | |
| 49 #endif | |
| 50 | |
| 51 static const uint64_t MEGA_BYTES = 1024 * 1024; | |
| 52 static const uint64_t GIGA_BYTES = 1024 * 1024 * 1024; | |
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53 |
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Asynchronous generation of ZIP archives and DICOM medias
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54 static const char* const MEDIA_IMAGES_FOLDER = "IMAGES"; |
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55 static const char* const KEY_DESCRIPTION = "Description"; |
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56 static const char* const KEY_INSTANCES_COUNT = "InstancesCount"; |
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57 static const char* const KEY_UNCOMPRESSED_SIZE_MB = "UncompressedSizeMB"; |
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58 |
| 2632 | 59 |
| 60 namespace Orthanc | |
| 61 { | |
| 62 static bool IsZip64Required(uint64_t uncompressedSize, | |
| 63 unsigned int countInstances) | |
| 64 { | |
| 65 static const uint64_t SAFETY_MARGIN = 64 * MEGA_BYTES; // Should be large enough to hold DICOMDIR | |
| 66 static const unsigned int FILES_MARGIN = 10; | |
| 67 | |
| 68 /** | |
| 69 * Determine whether ZIP64 is required. Original ZIP format can | |
| 70 * store up to 2GB of data (some implementation supporting up to | |
| 71 * 4GB of data), and up to 65535 files. | |
| 72 * https://en.wikipedia.org/wiki/Zip_(file_format)#ZIP64 | |
| 73 **/ | |
| 74 | |
| 75 const bool isZip64 = (uncompressedSize >= 2 * GIGA_BYTES - SAFETY_MARGIN || | |
| 76 countInstances >= 65535 - FILES_MARGIN); | |
| 77 | |
| 78 LOG(INFO) << "Creating a ZIP file with " << countInstances << " files of size " | |
| 79 << (uncompressedSize / MEGA_BYTES) << "MB using the " | |
| 80 << (isZip64 ? "ZIP64" : "ZIP32") << " file format"; | |
| 81 | |
| 82 return isZip64; | |
| 83 } | |
| 84 | |
| 85 | |
| 86 class ArchiveJob::ResourceIdentifiers : public boost::noncopyable | |
| 87 { | |
| 88 private: | |
| 89 ResourceType level_; | |
| 90 std::string patient_; | |
| 91 std::string study_; | |
| 92 std::string series_; | |
| 93 std::string instance_; | |
| 94 | |
| 95 static void GoToParent(ServerIndex& index, | |
| 96 std::string& current) | |
| 97 { | |
| 98 std::string tmp; | |
| 99 | |
| 100 if (index.LookupParent(tmp, current)) | |
| 101 { | |
| 102 current = tmp; | |
| 103 } | |
| 104 else | |
| 105 { | |
| 106 throw OrthancException(ErrorCode_UnknownResource); | |
| 107 } | |
| 108 } | |
| 109 | |
| 110 | |
| 111 public: | |
| 112 ResourceIdentifiers(ServerIndex& index, | |
| 113 const std::string& publicId) | |
| 114 { | |
| 115 if (!index.LookupResourceType(level_, publicId)) | |
| 116 { | |
| 117 throw OrthancException(ErrorCode_UnknownResource); | |
| 118 } | |
| 119 | |
| 120 std::string current = publicId;; | |
| 121 switch (level_) // Do not add "break" below! | |
| 122 { | |
| 123 case ResourceType_Instance: | |
| 124 instance_ = current; | |
| 125 GoToParent(index, current); | |
| 126 | |
| 127 case ResourceType_Series: | |
| 128 series_ = current; | |
| 129 GoToParent(index, current); | |
| 130 | |
| 131 case ResourceType_Study: | |
| 132 study_ = current; | |
| 133 GoToParent(index, current); | |
| 134 | |
| 135 case ResourceType_Patient: | |
| 136 patient_ = current; | |
| 137 break; | |
| 138 | |
| 139 default: | |
| 140 throw OrthancException(ErrorCode_InternalError); | |
| 141 } | |
| 142 } | |
| 143 | |
| 144 ResourceType GetLevel() const | |
| 145 { | |
| 146 return level_; | |
| 147 } | |
| 148 | |
| 149 const std::string& GetIdentifier(ResourceType level) const | |
| 150 { | |
| 151 // Some sanity check to ensure enumerations are not altered | |
| 152 assert(ResourceType_Patient < ResourceType_Study); | |
| 153 assert(ResourceType_Study < ResourceType_Series); | |
| 154 assert(ResourceType_Series < ResourceType_Instance); | |
| 155 | |
| 156 if (level > level_) | |
| 157 { | |
| 158 throw OrthancException(ErrorCode_InternalError); | |
| 159 } | |
| 160 | |
| 161 switch (level) | |
| 162 { | |
| 163 case ResourceType_Patient: | |
| 164 return patient_; | |
| 165 | |
| 166 case ResourceType_Study: | |
| 167 return study_; | |
| 168 | |
| 169 case ResourceType_Series: | |
| 170 return series_; | |
| 171 | |
| 172 case ResourceType_Instance: | |
| 173 return instance_; | |
| 174 | |
| 175 default: | |
| 176 throw OrthancException(ErrorCode_InternalError); | |
| 177 } | |
| 178 } | |
| 179 }; | |
| 180 | |
| 181 | |
| 182 class ArchiveJob::IArchiveVisitor : public boost::noncopyable | |
| 183 { | |
| 184 public: | |
| 185 virtual ~IArchiveVisitor() | |
| 186 { | |
| 187 } | |
| 188 | |
| 189 virtual void Open(ResourceType level, | |
| 190 const std::string& publicId) = 0; | |
| 191 | |
| 192 virtual void Close() = 0; | |
| 193 | |
| 194 virtual void AddInstance(const std::string& instanceId, | |
| 195 const FileInfo& dicom) = 0; | |
| 196 }; | |
| 197 | |
| 198 | |
| 199 class ArchiveJob::ArchiveIndex : public boost::noncopyable | |
| 200 { | |
| 201 private: | |
| 202 struct Instance | |
| 203 { | |
| 204 std::string id_; | |
| 205 FileInfo dicom_; | |
| 206 | |
| 207 Instance(const std::string& id, | |
| 208 const FileInfo& dicom) : | |
| 209 id_(id), dicom_(dicom) | |
| 210 { | |
| 211 } | |
| 212 }; | |
| 213 | |
| 214 // A "NULL" value for ArchiveIndex indicates a non-expanded node | |
| 215 typedef std::map<std::string, ArchiveIndex*> Resources; | |
| 216 | |
| 217 ResourceType level_; | |
| 218 Resources resources_; // Only at patient/study/series level | |
| 219 std::list<Instance> instances_; // Only at instance level | |
| 220 | |
| 221 | |
| 222 void AddResourceToExpand(ServerIndex& index, | |
| 223 const std::string& id) | |
| 224 { | |
| 225 if (level_ == ResourceType_Instance) | |
| 226 { | |
| 227 FileInfo tmp; | |
| 228 if (index.LookupAttachment(tmp, id, FileContentType_Dicom)) | |
| 229 { | |
| 230 instances_.push_back(Instance(id, tmp)); | |
| 231 } | |
| 232 } | |
| 233 else | |
| 234 { | |
| 235 resources_[id] = NULL; | |
| 236 } | |
| 237 } | |
| 238 | |
| 239 | |
| 240 public: | |
| 241 ArchiveIndex(ResourceType level) : | |
| 242 level_(level) | |
| 243 { | |
| 244 } | |
| 245 | |
| 246 ~ArchiveIndex() | |
| 247 { | |
| 248 for (Resources::iterator it = resources_.begin(); | |
| 249 it != resources_.end(); ++it) | |
| 250 { | |
| 251 delete it->second; | |
| 252 } | |
| 253 } | |
| 254 | |
| 255 | |
| 256 void Add(ServerIndex& index, | |
| 257 const ResourceIdentifiers& resource) | |
| 258 { | |
| 259 const std::string& id = resource.GetIdentifier(level_); | |
| 260 Resources::iterator previous = resources_.find(id); | |
| 261 | |
| 262 if (level_ == ResourceType_Instance) | |
| 263 { | |
| 264 AddResourceToExpand(index, id); | |
| 265 } | |
| 266 else if (resource.GetLevel() == level_) | |
| 267 { | |
| 268 // Mark this resource for further expansion | |
| 269 if (previous != resources_.end()) | |
| 270 { | |
| 271 delete previous->second; | |
| 272 } | |
| 273 | |
| 274 resources_[id] = NULL; | |
| 275 } | |
| 276 else if (previous == resources_.end()) | |
| 277 { | |
| 278 // This is the first time we meet this resource | |
| 279 std::auto_ptr<ArchiveIndex> child(new ArchiveIndex(GetChildResourceType(level_))); | |
| 280 child->Add(index, resource); | |
| 281 resources_[id] = child.release(); | |
| 282 } | |
| 283 else if (previous->second != NULL) | |
| 284 { | |
| 285 previous->second->Add(index, resource); | |
| 286 } | |
| 287 else | |
| 288 { | |
| 289 // Nothing to do: This item is marked for further expansion | |
| 290 } | |
| 291 } | |
| 292 | |
| 293 | |
| 294 void Expand(ServerIndex& index) | |
| 295 { | |
| 296 if (level_ == ResourceType_Instance) | |
| 297 { | |
| 298 // Expanding an instance node makes no sense | |
| 299 return; | |
| 300 } | |
| 301 | |
| 302 for (Resources::iterator it = resources_.begin(); | |
| 303 it != resources_.end(); ++it) | |
| 304 { | |
| 305 if (it->second == NULL) | |
| 306 { | |
| 307 // This is resource is marked for expansion | |
| 308 std::list<std::string> children; | |
| 309 index.GetChildren(children, it->first); | |
| 310 | |
| 311 std::auto_ptr<ArchiveIndex> child(new ArchiveIndex(GetChildResourceType(level_))); | |
| 312 | |
| 313 for (std::list<std::string>::const_iterator | |
| 314 it2 = children.begin(); it2 != children.end(); ++it2) | |
| 315 { | |
| 316 child->AddResourceToExpand(index, *it2); | |
| 317 } | |
| 318 | |
| 319 it->second = child.release(); | |
| 320 } | |
| 321 | |
| 322 assert(it->second != NULL); | |
| 323 it->second->Expand(index); | |
| 324 } | |
| 325 } | |
| 326 | |
| 327 | |
| 328 void Apply(IArchiveVisitor& visitor) const | |
| 329 { | |
| 330 if (level_ == ResourceType_Instance) | |
| 331 { | |
| 332 for (std::list<Instance>::const_iterator | |
| 333 it = instances_.begin(); it != instances_.end(); ++it) | |
| 334 { | |
| 335 visitor.AddInstance(it->id_, it->dicom_); | |
| 336 } | |
| 337 } | |
| 338 else | |
| 339 { | |
| 340 for (Resources::const_iterator it = resources_.begin(); | |
| 341 it != resources_.end(); ++it) | |
| 342 { | |
| 343 assert(it->second != NULL); // There must have been a call to "Expand()" | |
| 344 visitor.Open(level_, it->first); | |
| 345 it->second->Apply(visitor); | |
| 346 visitor.Close(); | |
| 347 } | |
| 348 } | |
| 349 } | |
| 350 }; | |
| 351 | |
| 352 | |
| 353 | |
| 354 class ArchiveJob::ZipCommands : public boost::noncopyable | |
| 355 { | |
| 356 private: | |
| 357 enum Type | |
| 358 { | |
| 359 Type_OpenDirectory, | |
| 360 Type_CloseDirectory, | |
| 361 Type_WriteInstance | |
| 362 }; | |
| 363 | |
| 364 class Command : public boost::noncopyable | |
| 365 { | |
| 366 private: | |
| 367 Type type_; | |
| 368 std::string filename_; | |
| 369 std::string instanceId_; | |
| 370 FileInfo info_; | |
| 371 | |
| 372 public: | |
| 373 explicit Command(Type type) : | |
| 374 type_(type) | |
| 375 { | |
| 376 assert(type_ == Type_CloseDirectory); | |
| 377 } | |
| 378 | |
| 379 Command(Type type, | |
| 380 const std::string& filename) : | |
| 381 type_(type), | |
| 382 filename_(filename) | |
| 383 { | |
| 384 assert(type_ == Type_OpenDirectory); | |
| 385 } | |
| 386 | |
| 387 Command(Type type, | |
| 388 const std::string& filename, | |
| 389 const std::string& instanceId, | |
| 390 const FileInfo& info) : | |
| 391 type_(type), | |
| 392 filename_(filename), | |
| 393 instanceId_(instanceId), | |
| 394 info_(info) | |
| 395 { | |
| 396 assert(type_ == Type_WriteInstance); | |
| 397 } | |
| 398 | |
| 399 void Apply(HierarchicalZipWriter& writer, | |
| 400 ServerContext& context, | |
| 401 DicomDirWriter* dicomDir, | |
| 402 const std::string& dicomDirFolder) const | |
| 403 { | |
| 404 switch (type_) | |
| 405 { | |
| 406 case Type_OpenDirectory: | |
| 407 writer.OpenDirectory(filename_.c_str()); | |
| 408 break; | |
| 409 | |
| 410 case Type_CloseDirectory: | |
| 411 writer.CloseDirectory(); | |
| 412 break; | |
| 413 | |
| 414 case Type_WriteInstance: | |
| 415 { | |
| 416 std::string content; | |
| 417 | |
| 418 try | |
| 419 { | |
| 420 context.ReadAttachment(content, info_); | |
| 421 } | |
| 422 catch (OrthancException& e) | |
| 423 { | |
| 424 LOG(WARNING) << "An instance was removed after the job was issued: " << instanceId_; | |
| 425 return; | |
| 426 } | |
| 2636 | 427 |
| 428 //boost::this_thread::sleep(boost::posix_time::milliseconds(300)); | |
| 2632 | 429 |
| 430 writer.OpenFile(filename_.c_str()); | |
| 431 writer.Write(content); | |
| 432 | |
| 433 if (dicomDir != NULL) | |
| 434 { | |
| 435 ParsedDicomFile parsed(content); | |
| 436 dicomDir->Add(dicomDirFolder, filename_, parsed); | |
| 437 } | |
| 438 | |
| 439 break; | |
| 440 } | |
| 441 | |
| 442 default: | |
| 443 throw OrthancException(ErrorCode_InternalError); | |
| 444 } | |
| 445 } | |
| 446 }; | |
| 447 | |
| 448 std::deque<Command*> commands_; | |
| 449 uint64_t uncompressedSize_; | |
| 450 unsigned int instancesCount_; | |
| 451 | |
| 452 | |
| 453 void ApplyInternal(HierarchicalZipWriter& writer, | |
| 454 ServerContext& context, | |
| 455 size_t index, | |
| 456 DicomDirWriter* dicomDir, | |
| 457 const std::string& dicomDirFolder) const | |
| 458 { | |
| 459 if (index >= commands_.size()) | |
| 460 { | |
| 461 throw OrthancException(ErrorCode_ParameterOutOfRange); | |
| 462 } | |
| 463 | |
| 464 commands_[index]->Apply(writer, context, dicomDir, dicomDirFolder); | |
| 465 } | |
| 466 | |
| 467 public: | |
| 468 ZipCommands() : | |
| 469 uncompressedSize_(0), | |
| 470 instancesCount_(0) | |
| 471 { | |
| 472 } | |
| 473 | |
| 474 ~ZipCommands() | |
| 475 { | |
| 476 for (std::deque<Command*>::iterator it = commands_.begin(); | |
| 477 it != commands_.end(); ++it) | |
| 478 { | |
| 479 assert(*it != NULL); | |
| 480 delete *it; | |
| 481 } | |
| 482 } | |
| 483 | |
| 484 size_t GetSize() const | |
| 485 { | |
| 486 return commands_.size(); | |
| 487 } | |
| 488 | |
| 489 unsigned int GetInstancesCount() const | |
| 490 { | |
| 491 return instancesCount_; | |
| 492 } | |
| 493 | |
| 494 uint64_t GetUncompressedSize() const | |
| 495 { | |
| 496 return uncompressedSize_; | |
| 497 } | |
| 498 | |
| 499 void Apply(HierarchicalZipWriter& writer, | |
| 500 ServerContext& context, | |
| 501 size_t index, | |
| 502 DicomDirWriter& dicomDir, | |
| 503 const std::string& dicomDirFolder) const | |
| 504 { | |
| 505 ApplyInternal(writer, context, index, &dicomDir, dicomDirFolder); | |
| 506 } | |
| 507 | |
| 508 void Apply(HierarchicalZipWriter& writer, | |
| 509 ServerContext& context, | |
| 510 size_t index) const | |
| 511 { | |
| 512 ApplyInternal(writer, context, index, NULL, ""); | |
| 513 } | |
| 514 | |
| 515 void AddOpenDirectory(const std::string& filename) | |
| 516 { | |
| 517 commands_.push_back(new Command(Type_OpenDirectory, filename)); | |
| 518 } | |
| 519 | |
| 520 void AddCloseDirectory() | |
| 521 { | |
| 522 commands_.push_back(new Command(Type_CloseDirectory)); | |
| 523 } | |
| 524 | |
| 525 void AddWriteInstance(const std::string& filename, | |
| 526 const std::string& instanceId, | |
| 527 const FileInfo& info) | |
| 528 { | |
| 529 commands_.push_back(new Command(Type_WriteInstance, filename, instanceId, info)); | |
| 530 instancesCount_ ++; | |
| 531 uncompressedSize_ += info.GetUncompressedSize(); | |
| 532 } | |
| 533 | |
| 534 bool IsZip64() const | |
| 535 { | |
| 536 return IsZip64Required(GetUncompressedSize(), GetInstancesCount()); | |
| 537 } | |
| 538 }; | |
| 539 | |
| 540 | |
| 541 | |
| 542 class ArchiveJob::ArchiveIndexVisitor : public IArchiveVisitor | |
| 543 { | |
| 544 private: | |
| 545 ZipCommands& commands_; | |
| 546 ServerContext& context_; | |
| 547 char instanceFormat_[24]; | |
| 548 unsigned int counter_; | |
| 549 | |
| 550 static std::string GetTag(const DicomMap& tags, | |
| 551 const DicomTag& tag) | |
| 552 { | |
| 553 const DicomValue* v = tags.TestAndGetValue(tag); | |
| 554 if (v != NULL && | |
| 555 !v->IsBinary() && | |
| 556 !v->IsNull()) | |
| 557 { | |
| 558 return v->GetContent(); | |
| 559 } | |
| 560 else | |
| 561 { | |
| 562 return ""; | |
| 563 } | |
| 564 } | |
| 565 | |
| 566 public: | |
| 567 ArchiveIndexVisitor(ZipCommands& commands, | |
| 568 ServerContext& context) : | |
| 569 commands_(commands), | |
| 570 context_(context), | |
| 571 counter_(0) | |
| 572 { | |
| 573 if (commands.GetSize() != 0) | |
| 574 { | |
| 575 throw OrthancException(ErrorCode_BadSequenceOfCalls); | |
| 576 } | |
| 577 | |
| 578 snprintf(instanceFormat_, sizeof(instanceFormat_) - 1, "%%08d.dcm"); | |
| 579 } | |
| 580 | |
| 581 virtual void Open(ResourceType level, | |
| 582 const std::string& publicId) | |
| 583 { | |
| 584 std::string path; | |
| 585 | |
| 586 DicomMap tags; | |
| 587 if (context_.GetIndex().GetMainDicomTags(tags, publicId, level, level)) | |
| 588 { | |
| 589 switch (level) | |
| 590 { | |
| 591 case ResourceType_Patient: | |
| 592 path = GetTag(tags, DICOM_TAG_PATIENT_ID) + " " + GetTag(tags, DICOM_TAG_PATIENT_NAME); | |
| 593 break; | |
| 594 | |
| 595 case ResourceType_Study: | |
| 596 path = GetTag(tags, DICOM_TAG_ACCESSION_NUMBER) + " " + GetTag(tags, DICOM_TAG_STUDY_DESCRIPTION); | |
| 597 break; | |
| 598 | |
| 599 case ResourceType_Series: | |
| 600 { | |
| 601 std::string modality = GetTag(tags, DICOM_TAG_MODALITY); | |
| 602 path = modality + " " + GetTag(tags, DICOM_TAG_SERIES_DESCRIPTION); | |
| 603 | |
| 604 if (modality.size() == 0) | |
| 605 { | |
| 606 snprintf(instanceFormat_, sizeof(instanceFormat_) - 1, "%%08d.dcm"); | |
| 607 } | |
| 608 else if (modality.size() == 1) | |
| 609 { | |
| 610 snprintf(instanceFormat_, sizeof(instanceFormat_) - 1, "%c%%07d.dcm", | |
| 611 toupper(modality[0])); | |
| 612 } | |
| 613 else if (modality.size() >= 2) | |
| 614 { | |
| 615 snprintf(instanceFormat_, sizeof(instanceFormat_) - 1, "%c%c%%06d.dcm", | |
| 616 toupper(modality[0]), toupper(modality[1])); | |
| 617 } | |
| 618 | |
| 619 counter_ = 0; | |
| 620 | |
| 621 break; | |
| 622 } | |
| 623 | |
| 624 default: | |
| 625 throw OrthancException(ErrorCode_InternalError); | |
| 626 } | |
| 627 } | |
| 628 | |
| 629 path = Toolbox::StripSpaces(Toolbox::ConvertToAscii(path)); | |
| 630 | |
| 631 if (path.empty()) | |
| 632 { | |
| 633 path = std::string("Unknown ") + EnumerationToString(level); | |
| 634 } | |
| 635 | |
| 636 commands_.AddOpenDirectory(path.c_str()); | |
| 637 } | |
| 638 | |
| 639 virtual void Close() | |
| 640 { | |
| 641 commands_.AddCloseDirectory(); | |
| 642 } | |
| 643 | |
| 644 virtual void AddInstance(const std::string& instanceId, | |
| 645 const FileInfo& dicom) | |
| 646 { | |
| 647 char filename[24]; | |
| 648 snprintf(filename, sizeof(filename) - 1, instanceFormat_, counter_); | |
| 649 counter_ ++; | |
| 650 | |
| 651 commands_.AddWriteInstance(filename, instanceId, dicom); | |
| 652 } | |
| 653 }; | |
| 654 | |
| 655 | |
| 656 class ArchiveJob::MediaIndexVisitor : public IArchiveVisitor | |
| 657 { | |
| 658 private: | |
| 659 ZipCommands& commands_; | |
| 660 ServerContext& context_; | |
| 661 unsigned int counter_; | |
| 662 | |
| 663 public: | |
| 664 MediaIndexVisitor(ZipCommands& commands, | |
| 665 ServerContext& context) : | |
| 666 commands_(commands), | |
| 667 context_(context), | |
| 668 counter_(0) | |
| 669 { | |
| 670 } | |
| 671 | |
| 672 virtual void Open(ResourceType level, | |
| 673 const std::string& publicId) | |
| 674 { | |
| 675 } | |
| 676 | |
| 677 virtual void Close() | |
| 678 { | |
| 679 } | |
| 680 | |
| 681 virtual void AddInstance(const std::string& instanceId, | |
| 682 const FileInfo& dicom) | |
| 683 { | |
| 684 // "DICOM restricts the filenames on DICOM media to 8 | |
| 685 // characters (some systems wrongly use 8.3, but this does not | |
| 686 // conform to the standard)." | |
| 687 std::string filename = "IM" + boost::lexical_cast<std::string>(counter_); | |
| 688 commands_.AddWriteInstance(filename, instanceId, dicom); | |
| 689 | |
| 690 counter_ ++; | |
| 691 } | |
| 692 }; | |
| 693 | |
| 694 | |
| 695 class ArchiveJob::ZipWriterIterator : public boost::noncopyable | |
| 696 { | |
| 697 private: | |
| 698 TemporaryFile& target_; | |
| 699 ServerContext& context_; | |
| 700 ZipCommands commands_; | |
| 701 std::auto_ptr<HierarchicalZipWriter> zip_; | |
| 702 std::auto_ptr<DicomDirWriter> dicomDir_; | |
| 703 bool isMedia_; | |
| 704 | |
| 705 public: | |
| 706 ZipWriterIterator(TemporaryFile& target, | |
| 707 ServerContext& context, | |
| 708 ArchiveIndex& archive, | |
| 709 bool isMedia, | |
| 710 bool enableExtendedSopClass) : | |
| 711 target_(target), | |
| 712 context_(context), | |
| 713 isMedia_(isMedia) | |
| 714 { | |
| 715 if (isMedia) | |
| 716 { | |
| 717 MediaIndexVisitor visitor(commands_, context); | |
| 718 archive.Expand(context.GetIndex()); | |
| 719 | |
| 720 commands_.AddOpenDirectory(MEDIA_IMAGES_FOLDER); | |
| 721 archive.Apply(visitor); | |
| 722 commands_.AddCloseDirectory(); | |
| 723 | |
| 724 dicomDir_.reset(new DicomDirWriter); | |
| 725 dicomDir_->EnableExtendedSopClass(enableExtendedSopClass); | |
| 726 } | |
| 727 else | |
| 728 { | |
| 729 ArchiveIndexVisitor visitor(commands_, context); | |
| 730 archive.Expand(context.GetIndex()); | |
| 731 archive.Apply(visitor); | |
| 732 } | |
| 733 | |
| 734 zip_.reset(new HierarchicalZipWriter(target.GetPath().c_str())); | |
| 735 zip_->SetZip64(commands_.IsZip64()); | |
| 736 } | |
| 737 | |
| 738 size_t GetStepsCount() const | |
| 739 { | |
| 740 return commands_.GetSize() + 1; | |
| 741 } | |
| 742 | |
| 743 void RunStep(size_t index) | |
| 744 { | |
| 745 if (index > commands_.GetSize()) | |
| 746 { | |
| 747 throw OrthancException(ErrorCode_ParameterOutOfRange); | |
| 748 } | |
| 749 else if (index == commands_.GetSize()) | |
| 750 { | |
| 751 // Last step: Add the DICOMDIR | |
| 752 if (isMedia_) | |
| 753 { | |
| 754 assert(dicomDir_.get() != NULL); | |
| 755 std::string s; | |
| 756 dicomDir_->Encode(s); | |
| 757 | |
| 758 zip_->OpenFile("DICOMDIR"); | |
| 759 zip_->Write(s); | |
| 760 } | |
| 761 } | |
| 762 else | |
| 763 { | |
| 764 if (isMedia_) | |
| 765 { | |
| 766 assert(dicomDir_.get() != NULL); | |
| 767 commands_.Apply(*zip_, context_, index, *dicomDir_, MEDIA_IMAGES_FOLDER); | |
| 768 } | |
| 769 else | |
| 770 { | |
| 771 assert(dicomDir_.get() == NULL); | |
| 772 commands_.Apply(*zip_, context_, index); | |
| 773 } | |
| 774 } | |
| 775 } | |
| 776 | |
| 777 unsigned int GetInstancesCount() const | |
| 778 { | |
| 779 return commands_.GetInstancesCount(); | |
| 780 } | |
| 781 | |
| 782 uint64_t GetUncompressedSize() const | |
| 783 { | |
| 784 return commands_.GetUncompressedSize(); | |
| 785 } | |
| 786 }; | |
| 787 | |
| 788 | |
| 2966 | 789 ArchiveJob::ArchiveJob(ServerContext& context, |
| 2632 | 790 bool isMedia, |
| 791 bool enableExtendedSopClass) : | |
| 792 context_(context), | |
| 793 archive_(new ArchiveIndex(ResourceType_Patient)), // root | |
| 794 isMedia_(isMedia), | |
| 795 enableExtendedSopClass_(enableExtendedSopClass), | |
| 796 currentStep_(0), | |
| 797 instancesCount_(0), | |
| 798 uncompressedSize_(0) | |
| 799 { | |
| 2966 | 800 } |
| 801 | |
|
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802 |
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803 ArchiveJob::~ArchiveJob() |
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804 { |
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805 if (!mediaArchiveId_.empty()) |
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806 { |
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807 context_.GetMediaArchive().Remove(mediaArchiveId_); |
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808 } |
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809 } |
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810 |
| 2966 | 811 |
| 812 void ArchiveJob::SetSynchronousTarget(boost::shared_ptr<TemporaryFile>& target) | |
| 813 { | |
| 814 if (target.get() == NULL) | |
| 2632 | 815 { |
| 816 throw OrthancException(ErrorCode_NullPointer); | |
| 817 } | |
|
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818 else if (writer_.get() != NULL || // Already started |
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819 synchronousTarget_.get() != NULL || |
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820 asynchronousTarget_.get() != NULL) |
| 2966 | 821 { |
| 822 throw OrthancException(ErrorCode_BadSequenceOfCalls); | |
| 823 } | |
| 824 else | |
| 825 { | |
| 826 synchronousTarget_ = target; | |
| 827 } | |
| 2632 | 828 } |
| 829 | |
| 830 | |
|
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831 void ArchiveJob::SetDescription(const std::string& description) |
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832 { |
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833 if (writer_.get() != NULL) // Already started |
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834 { |
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835 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
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836 } |
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837 else |
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838 { |
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839 description_ = description; |
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840 } |
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841 } |
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842 |
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843 |
| 2632 | 844 void ArchiveJob::AddResource(const std::string& publicId) |
| 845 { | |
| 846 if (writer_.get() != NULL) // Already started | |
| 847 { | |
| 848 throw OrthancException(ErrorCode_BadSequenceOfCalls); | |
| 849 } | |
|
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850 else |
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851 { |
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852 ResourceIdentifiers resource(context_.GetIndex(), publicId); |
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853 archive_->Add(context_.GetIndex(), resource); |
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854 } |
| 2632 | 855 } |
| 856 | |
| 857 | |
|
2812
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858 void ArchiveJob::Reset() |
| 2632 | 859 { |
| 2955 | 860 throw OrthancException(ErrorCode_BadSequenceOfCalls, |
| 861 "Cannot resubmit the creation of an archive"); | |
| 2632 | 862 } |
| 863 | |
| 864 | |
| 865 void ArchiveJob::Start() | |
| 866 { | |
|
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867 TemporaryFile* target = NULL; |
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868 |
| 2966 | 869 if (synchronousTarget_.get() == NULL) |
| 870 { | |
|
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871 { |
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872 OrthancConfiguration::ReaderLock lock; |
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873 asynchronousTarget_.reset(lock.GetConfiguration().CreateTemporaryFile()); |
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874 } |
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875 |
|
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876 target = asynchronousTarget_.get(); |
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877 } |
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878 else |
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879 { |
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880 target = synchronousTarget_.get(); |
| 2966 | 881 } |
|
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882 |
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883 assert(target != NULL); |
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884 target->Touch(); // Make sure we can write to the temporary file |
| 2966 | 885 |
| 2632 | 886 if (writer_.get() != NULL) |
| 887 { | |
| 888 throw OrthancException(ErrorCode_BadSequenceOfCalls); | |
| 889 } | |
| 890 | |
|
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891 writer_.reset(new ZipWriterIterator(*target, context_, *archive_, |
| 2632 | 892 isMedia_, enableExtendedSopClass_)); |
| 893 | |
| 894 instancesCount_ = writer_->GetInstancesCount(); | |
| 895 uncompressedSize_ = writer_->GetUncompressedSize(); | |
| 896 } | |
| 897 | |
|
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898 |
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899 |
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900 namespace |
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901 { |
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902 class DynamicTemporaryFile : public IDynamicObject |
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903 { |
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904 private: |
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905 std::auto_ptr<TemporaryFile> file_; |
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906 |
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907 public: |
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908 DynamicTemporaryFile(TemporaryFile* f) : file_(f) |
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909 { |
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910 if (f == NULL) |
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911 { |
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912 throw OrthancException(ErrorCode_NullPointer); |
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913 } |
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914 } |
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915 |
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916 const TemporaryFile& GetFile() const |
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917 { |
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918 assert(file_.get() != NULL); |
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919 return *file_; |
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920 } |
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921 }; |
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922 } |
| 2632 | 923 |
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924 |
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925 void ArchiveJob::FinalizeTarget() |
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926 { |
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927 writer_.reset(); // Flush all the results |
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928 |
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929 if (asynchronousTarget_.get() != NULL) |
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930 { |
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931 // Asynchronous behavior: Move the resulting file into the media archive |
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932 mediaArchiveId_ = context_.GetMediaArchive().Add( |
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933 new DynamicTemporaryFile(asynchronousTarget_.release())); |
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934 } |
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935 } |
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936 |
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937 |
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938 JobStepResult ArchiveJob::Step() |
| 2632 | 939 { |
| 940 assert(writer_.get() != NULL); | |
| 941 | |
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942 if (synchronousTarget_.get() != NULL && |
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943 synchronousTarget_.unique()) |
| 2632 | 944 { |
| 945 LOG(WARNING) << "A client has disconnected while creating an archive"; | |
|
3240
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946 return JobStepResult::Failure(ErrorCode_NetworkProtocol, |
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947 "A client has disconnected while creating an archive"); |
| 2632 | 948 } |
| 949 | |
| 950 if (writer_->GetStepsCount() == 0) | |
| 951 { | |
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952 FinalizeTarget(); |
| 2632 | 953 return JobStepResult::Success(); |
| 954 } | |
| 955 else | |
| 956 { | |
| 957 writer_->RunStep(currentStep_); | |
| 958 | |
| 959 currentStep_ ++; | |
| 960 | |
| 961 if (currentStep_ == writer_->GetStepsCount()) | |
| 962 { | |
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963 FinalizeTarget(); |
| 2632 | 964 return JobStepResult::Success(); |
| 965 } | |
| 966 else | |
| 967 { | |
| 968 return JobStepResult::Continue(); | |
| 969 } | |
| 970 } | |
| 971 } | |
| 972 | |
| 973 | |
| 974 float ArchiveJob::GetProgress() | |
| 975 { | |
| 976 if (writer_.get() == NULL || | |
| 977 writer_->GetStepsCount() == 0) | |
| 978 { | |
| 979 return 1; | |
| 980 } | |
| 981 else | |
| 982 { | |
| 983 return (static_cast<float>(currentStep_) / | |
| 984 static_cast<float>(writer_->GetStepsCount() - 1)); | |
| 985 } | |
| 986 } | |
| 987 | |
| 988 | |
| 989 void ArchiveJob::GetJobType(std::string& target) | |
| 990 { | |
| 991 if (isMedia_) | |
| 992 { | |
| 993 target = "Media"; | |
| 994 } | |
| 995 else | |
| 996 { | |
| 997 target = "Archive"; | |
| 998 } | |
| 999 } | |
| 1000 | |
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1001 |
| 2632 | 1002 void ArchiveJob::GetPublicContent(Json::Value& value) |
| 1003 { | |
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1004 value = Json::objectValue; |
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1005 value[KEY_DESCRIPTION] = description_; |
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1006 value[KEY_INSTANCES_COUNT] = instancesCount_; |
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1007 value[KEY_UNCOMPRESSED_SIZE_MB] = |
| 2643 | 1008 static_cast<unsigned int>(uncompressedSize_ / MEGA_BYTES); |
| 2632 | 1009 } |
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1010 |
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1011 |
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1012 bool ArchiveJob::GetOutput(std::string& output, |
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1013 MimeType& mime, |
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1014 const std::string& key) |
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1015 { |
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1016 if (key == "archive" && |
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1017 !mediaArchiveId_.empty()) |
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1018 { |
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1019 SharedArchive::Accessor accessor(context_.GetMediaArchive(), mediaArchiveId_); |
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1020 |
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1021 if (accessor.IsValid()) |
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1022 { |
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1023 const DynamicTemporaryFile& f = dynamic_cast<DynamicTemporaryFile&>(accessor.GetItem()); |
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1024 f.GetFile().Read(output); |
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1025 mime = MimeType_Zip; |
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1026 return true; |
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1027 } |
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1028 else |
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1029 { |
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1030 return false; |
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1031 } |
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1032 } |
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1033 else |
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1034 { |
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1035 return false; |
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1036 } |
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1037 } |
| 2632 | 1038 } |