VirtualBox

source: vbox/trunk/src/VBox/Main/src-server/VFSExplorerImpl.cpp@ 53390

Last change on this file since 53390 was 50874, checked in by vboxsync, 11 years ago

6813 src-all/ProgressImp.cpp + some formatting/line length sorting

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File size: 18.9 KB
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1/* $Id: VFSExplorerImpl.cpp 50874 2014-03-25 18:29:02Z vboxsync $ */
2/** @file
3 *
4 * IVFSExplorer COM class implementations.
5 */
6
7/*
8 * Copyright (C) 2009-2013 Oracle Corporation
9 *
10 * This file is part of VirtualBox Open Source Edition (OSE), as
11 * available from http://www.virtualbox.org. This file is free software;
12 * you can redistribute it and/or modify it under the terms of the GNU
13 * General Public License (GPL) as published by the Free Software
14 * Foundation, in version 2 as it comes in the "COPYING" file of the
15 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
16 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
17 */
18
19#include <iprt/dir.h>
20#include <iprt/path.h>
21#include <iprt/file.h>
22#include <iprt/s3.h>
23#include <iprt/cpp/utils.h>
24
25#include <VBox/com/array.h>
26
27#include <VBox/param.h>
28#include <VBox/version.h>
29
30#include "VFSExplorerImpl.h"
31#include "VirtualBoxImpl.h"
32#include "ProgressImpl.h"
33
34#include "AutoCaller.h"
35#include "Logging.h"
36
37#include <memory>
38
39struct VFSExplorer::Data
40{
41 struct DirEntry
42 {
43 DirEntry(Utf8Str strName, VFSFileType_T fileType, uint64_t cbSize, uint32_t fMode)
44 : name(strName)
45 , type(fileType)
46 , size(cbSize)
47 , mode(fMode) {}
48
49 Utf8Str name;
50 VFSFileType_T type;
51 uint64_t size;
52 uint32_t mode;
53 };
54
55 VFSType_T storageType;
56 Utf8Str strUsername;
57 Utf8Str strPassword;
58 Utf8Str strHostname;
59 Utf8Str strPath;
60 Utf8Str strBucket;
61 std::list<DirEntry> entryList;
62};
63
64
65VFSExplorer::VFSExplorer()
66 : mVirtualBox(NULL)
67{
68}
69
70VFSExplorer::~VFSExplorer()
71{
72}
73
74
75/**
76 * VFSExplorer COM initializer.
77 * @param
78 * @return
79 */
80HRESULT VFSExplorer::init(VFSType_T aType, Utf8Str aFilePath, Utf8Str aHostname, Utf8Str aUsername,
81 Utf8Str aPassword, VirtualBox *aVirtualBox)
82{
83 /* Enclose the state transition NotReady->InInit->Ready */
84 AutoInitSpan autoInitSpan(this);
85 AssertReturn(autoInitSpan.isOk(), E_FAIL);
86
87 /* Weak reference to a VirtualBox object */
88 unconst(mVirtualBox) = aVirtualBox;
89
90 /* initialize data */
91 m = new Data;
92
93 m->storageType = aType;
94 m->strPath = aFilePath;
95 m->strHostname = aHostname;
96 m->strUsername = aUsername;
97 m->strPassword = aPassword;
98
99 if (m->storageType == VFSType_S3)
100 {
101 size_t bpos = aFilePath.find("/", 1);
102 if (bpos != Utf8Str::npos)
103 {
104 m->strBucket = aFilePath.substr(1, bpos - 1); /* The bucket without any slashes */
105 aFilePath = aFilePath.substr(bpos); /* The rest of the file path */
106 }
107 }
108
109 /* Confirm a successful initialization */
110 autoInitSpan.setSucceeded();
111
112 return S_OK;
113}
114
115/**
116 * VFSExplorer COM uninitializer.
117 * @return
118 */
119void VFSExplorer::uninit()
120{
121 delete m;
122 m = NULL;
123}
124
125/**
126 * Public method implementation.
127 * @param
128 * @return
129 */
130HRESULT VFSExplorer::getPath(com::Utf8Str &aPath)
131{
132 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
133
134 aPath = m->strPath;
135
136 return S_OK;
137}
138
139
140HRESULT VFSExplorer::getType(VFSType_T *aType)
141{
142 if (!aType)
143 return E_POINTER;
144
145 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
146
147 *aType = m->storageType;
148
149 return S_OK;
150}
151
152struct VFSExplorer::TaskVFSExplorer
153{
154 enum TaskType
155 {
156 Update,
157 Delete
158 };
159
160 TaskVFSExplorer(TaskType aTaskType, VFSExplorer *aThat, Progress *aProgress)
161 : taskType(aTaskType),
162 pVFSExplorer(aThat),
163 progress(aProgress),
164 rc(S_OK)
165 {}
166 ~TaskVFSExplorer() {}
167
168 int startThread();
169 static int taskThread(RTTHREAD aThread, void *pvUser);
170 static int uploadProgress(unsigned uPercent, void *pvUser);
171
172 TaskType taskType;
173 VFSExplorer *pVFSExplorer;
174 ComObjPtr<Progress> progress;
175 HRESULT rc;
176
177 /* task data */
178 std::list<Utf8Str> filenames;
179};
180
181int VFSExplorer::TaskVFSExplorer::startThread()
182{
183 int vrc = RTThreadCreate(NULL, VFSExplorer::TaskVFSExplorer::taskThread, this,
184 0, RTTHREADTYPE_MAIN_HEAVY_WORKER, 0,
185 "Explorer::Task");
186
187 if (RT_FAILURE(vrc))
188 return VFSExplorer::setErrorStatic(E_FAIL, Utf8StrFmt("Could not create taskThreadVFS (%Rrc)\n", vrc));
189
190 return vrc;
191}
192
193/* static */
194DECLCALLBACK(int) VFSExplorer::TaskVFSExplorer::taskThread(RTTHREAD /* aThread */, void *pvUser)
195{
196 std::auto_ptr<TaskVFSExplorer> task(static_cast<TaskVFSExplorer*>(pvUser));
197 AssertReturn(task.get(), VERR_GENERAL_FAILURE);
198
199 VFSExplorer *pVFSExplorer = task->pVFSExplorer;
200
201 LogFlowFuncEnter();
202 LogFlowFunc(("VFSExplorer %p\n", pVFSExplorer));
203
204 HRESULT rc = S_OK;
205
206 switch(task->taskType)
207 {
208 case TaskVFSExplorer::Update:
209 {
210 if (pVFSExplorer->m->storageType == VFSType_File)
211 rc = pVFSExplorer->i_updateFS(task.get());
212 else if (pVFSExplorer->m->storageType == VFSType_S3)
213#ifdef VBOX_WITH_S3
214 rc = pVFSExplorer->i_updateS3(task.get());
215#else
216 rc = VERR_NOT_IMPLEMENTED;
217#endif
218 break;
219 }
220 case TaskVFSExplorer::Delete:
221 {
222 if (pVFSExplorer->m->storageType == VFSType_File)
223 rc = pVFSExplorer->i_deleteFS(task.get());
224 else if (pVFSExplorer->m->storageType == VFSType_S3)
225#ifdef VBOX_WITH_S3
226 rc = pVFSExplorer->i_deleteS3(task.get());
227#else
228 rc = VERR_NOT_IMPLEMENTED;
229#endif
230 break;
231 }
232 default:
233 AssertMsgFailed(("Invalid task type %u specified!\n", task->taskType));
234 break;
235 }
236
237 LogFlowFunc(("rc=%Rhrc\n", rc)); NOREF(rc);
238 LogFlowFuncLeave();
239
240 return VINF_SUCCESS;
241}
242
243/* static */
244int VFSExplorer::TaskVFSExplorer::uploadProgress(unsigned uPercent, void *pvUser)
245{
246 VFSExplorer::TaskVFSExplorer* pTask = *(VFSExplorer::TaskVFSExplorer**)pvUser;
247
248 if (pTask &&
249 !pTask->progress.isNull())
250 {
251 BOOL fCanceled;
252 pTask->progress->COMGETTER(Canceled)(&fCanceled);
253 if (fCanceled)
254 return -1;
255 pTask->progress->SetCurrentOperationProgress(uPercent);
256 }
257 return VINF_SUCCESS;
258}
259
260VFSFileType_T VFSExplorer::i_RTToVFSFileType(int aType) const
261{
262 int a = aType & RTFS_TYPE_MASK;
263 VFSFileType_T t = VFSFileType_Unknown;
264 if ((a & RTFS_TYPE_DIRECTORY) == RTFS_TYPE_DIRECTORY)
265 t = VFSFileType_Directory;
266 else if ((a & RTFS_TYPE_FILE) == RTFS_TYPE_FILE)
267 t = VFSFileType_File;
268 else if ((a & RTFS_TYPE_SYMLINK) == RTFS_TYPE_SYMLINK)
269 t = VFSFileType_SymLink;
270 else if ((a & RTFS_TYPE_FIFO) == RTFS_TYPE_FIFO)
271 t = VFSFileType_Fifo;
272 else if ((a & RTFS_TYPE_DEV_CHAR) == RTFS_TYPE_DEV_CHAR)
273 t = VFSFileType_DevChar;
274 else if ((a & RTFS_TYPE_DEV_BLOCK) == RTFS_TYPE_DEV_BLOCK)
275 t = VFSFileType_DevBlock;
276 else if ((a & RTFS_TYPE_SOCKET) == RTFS_TYPE_SOCKET)
277 t = VFSFileType_Socket;
278 else if ((a & RTFS_TYPE_WHITEOUT) == RTFS_TYPE_WHITEOUT)
279 t = VFSFileType_WhiteOut;
280
281 return t;
282}
283
284HRESULT VFSExplorer::i_updateFS(TaskVFSExplorer *aTask)
285{
286 LogFlowFuncEnter();
287
288 AutoCaller autoCaller(this);
289 if (FAILED(autoCaller.rc())) return autoCaller.rc();
290
291 AutoWriteLock appLock(this COMMA_LOCKVAL_SRC_POS);
292
293 HRESULT rc = S_OK;
294
295 std::list<VFSExplorer::Data::DirEntry> fileList;
296 char *pszPath = NULL;
297 PRTDIR pDir = NULL;
298 try
299 {
300 int vrc = RTDirOpen(&pDir, m->strPath.c_str());
301 if (RT_FAILURE(vrc))
302 throw setError(VBOX_E_FILE_ERROR, tr ("Can't open directory '%s' (%Rrc)"), pszPath, vrc);
303
304 if (aTask->progress)
305 aTask->progress->SetCurrentOperationProgress(33);
306 RTDIRENTRYEX entry;
307 while (RT_SUCCESS(vrc))
308 {
309 vrc = RTDirReadEx(pDir, &entry, NULL, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK);
310 if (RT_SUCCESS(vrc))
311 {
312 Utf8Str name(entry.szName);
313 if ( name != "."
314 && name != "..")
315 fileList.push_back(VFSExplorer::Data::DirEntry(name, i_RTToVFSFileType(entry.Info.Attr.fMode),
316 entry.Info.cbObject,
317 entry.Info.Attr.fMode & (RTFS_UNIX_IRWXU | RTFS_UNIX_IRWXG | RTFS_UNIX_IRWXO)));
318 }
319 }
320 if (aTask->progress)
321 aTask->progress->SetCurrentOperationProgress(66);
322 }
323 catch(HRESULT aRC)
324 {
325 rc = aRC;
326 }
327
328 /* Clean up */
329 if (pszPath)
330 RTStrFree(pszPath);
331 if (pDir)
332 RTDirClose(pDir);
333
334 if (aTask->progress)
335 aTask->progress->SetCurrentOperationProgress(99);
336
337 /* Assign the result on success (this clears the old list) */
338 if (rc == S_OK)
339 m->entryList.assign(fileList.begin(), fileList.end());
340
341 aTask->rc = rc;
342
343 if (!aTask->progress.isNull())
344 aTask->progress->i_notifyComplete(rc);
345
346 LogFlowFunc(("rc=%Rhrc\n", rc));
347 LogFlowFuncLeave();
348
349 return VINF_SUCCESS;
350}
351
352HRESULT VFSExplorer::i_deleteFS(TaskVFSExplorer *aTask)
353{
354 LogFlowFuncEnter();
355
356 AutoCaller autoCaller(this);
357 if (FAILED(autoCaller.rc())) return autoCaller.rc();
358
359 AutoWriteLock appLock(this COMMA_LOCKVAL_SRC_POS);
360
361 HRESULT rc = S_OK;
362
363 float fPercentStep = 100.0f / aTask->filenames.size();
364 try
365 {
366 char szPath[RTPATH_MAX];
367 std::list<Utf8Str>::const_iterator it;
368 size_t i = 0;
369 for (it = aTask->filenames.begin();
370 it != aTask->filenames.end();
371 ++it, ++i)
372 {
373 int vrc = RTPathJoin(szPath, sizeof(szPath), m->strPath.c_str(), (*it).c_str());
374 if (RT_FAILURE(vrc))
375 throw setError(E_FAIL, tr("Internal Error (%Rrc)"), vrc);
376 vrc = RTFileDelete(szPath);
377 if (RT_FAILURE(vrc))
378 throw setError(VBOX_E_FILE_ERROR, tr("Can't delete file '%s' (%Rrc)"), szPath, vrc);
379 if (aTask->progress)
380 aTask->progress->SetCurrentOperationProgress((ULONG)(fPercentStep * i));
381 }
382 }
383 catch(HRESULT aRC)
384 {
385 rc = aRC;
386 }
387
388 aTask->rc = rc;
389
390 if (!aTask->progress.isNull())
391 aTask->progress->i_notifyComplete(rc);
392
393 LogFlowFunc(("rc=%Rhrc\n", rc));
394 LogFlowFuncLeave();
395
396 return VINF_SUCCESS;
397}
398
399#ifdef VBOX_WITH_S3
400HRESULT VFSExplorer::i_updateS3(TaskVFSExplorer *aTask)
401{
402 LogFlowFuncEnter();
403
404 AutoCaller autoCaller(this);
405 if (FAILED(autoCaller.rc())) return autoCaller.rc();
406
407 AutoWriteLock appLock(this COMMA_LOCKVAL_SRC_POS);
408
409 HRESULT rc = S_OK;
410
411 RTS3 hS3 = NULL;
412 std::list<VFSExplorer::Data::DirEntry> fileList;
413 try
414 {
415 int vrc = RTS3Create(&hS3, m->strUsername.c_str(), m->strPassword.c_str(),
416 m->strHostname.c_str(), "virtualbox-agent/" VBOX_VERSION_STRING);
417 if (RT_FAILURE(vrc))
418 throw setError(E_FAIL, tr ("Can't open S3 storage service (%Rrc)"), vrc);
419
420 RTS3SetProgressCallback(hS3, VFSExplorer::TaskVFSExplorer::uploadProgress, &aTask);
421 /* Do we need the list of buckets or keys? */
422 if (m->strBucket.isEmpty())
423 {
424 PCRTS3BUCKETENTRY pBuckets = NULL;
425 vrc = RTS3GetBuckets(hS3, &pBuckets);
426 if (RT_FAILURE(vrc))
427 throw setError(E_FAIL, tr ("Can't get buckets (%Rrc)"), vrc);
428
429 PCRTS3BUCKETENTRY pTmpBuckets = pBuckets;
430 while (pBuckets)
431 {
432 /* Set always read/write permissions of the current logged in user. */
433 fileList.push_back(VFSExplorer::Data::DirEntry(pBuckets->pszName, VFSFileType_Directory,
434 0, RTFS_UNIX_IRUSR | RTFS_UNIX_IWUSR));
435 pBuckets = pBuckets->pNext;
436 }
437 RTS3BucketsDestroy(pTmpBuckets);
438 }
439 else
440 {
441 PCRTS3KEYENTRY pKeys = NULL;
442 vrc = RTS3GetBucketKeys(hS3, m->strBucket.c_str(), &pKeys);
443 if (RT_FAILURE(vrc))
444 throw setError(E_FAIL, tr ("Can't get keys for bucket (%Rrc)"), vrc);
445
446 PCRTS3KEYENTRY pTmpKeys = pKeys;
447 while (pKeys)
448 {
449 Utf8Str name(pKeys->pszName);
450 /* Set always read/write permissions of the current logged in user. */
451 fileList.push_back(VFSExplorer::Data::DirEntry(pKeys->pszName, VFSFileType_File, pKeys->cbFile,
452 RTFS_UNIX_IRUSR | RTFS_UNIX_IWUSR));
453 pKeys = pKeys->pNext;
454 }
455 RTS3KeysDestroy(pTmpKeys);
456 }
457 }
458 catch(HRESULT aRC)
459 {
460 rc = aRC;
461 }
462
463 if (hS3 != NULL)
464 RTS3Destroy(hS3);
465
466 /* Assign the result on success (this clears the old list) */
467 if (rc == S_OK)
468 m->entryList.assign(fileList.begin(), fileList.end());
469
470 aTask->rc = rc;
471
472 if (!aTask->progress.isNull())
473 aTask->progress->i_notifyComplete(rc);
474
475 LogFlowFunc(("rc=%Rhrc\n", rc));
476 LogFlowFuncLeave();
477
478 return VINF_SUCCESS;
479}
480
481HRESULT VFSExplorer::i_deleteS3(TaskVFSExplorer *aTask)
482{
483 LogFlowFuncEnter();
484
485 AutoCaller autoCaller(this);
486 if (FAILED(autoCaller.rc())) return autoCaller.rc();
487
488 AutoWriteLock appLock(this COMMA_LOCKVAL_SRC_POS);
489
490 HRESULT rc = S_OK;
491
492 RTS3 hS3 = NULL;
493 float fPercentStep = 100.0f / aTask->filenames.size();
494 try
495 {
496 int vrc = RTS3Create(&hS3, m->strUsername.c_str(), m->strPassword.c_str(),
497 m->strHostname.c_str(), "virtualbox-agent/" VBOX_VERSION_STRING);
498 if (RT_FAILURE(vrc))
499 throw setError(E_FAIL, tr ("Can't open S3 storage service (%Rrc)"), vrc);
500
501 RTS3SetProgressCallback(hS3, VFSExplorer::TaskVFSExplorer::uploadProgress, &aTask);
502
503 std::list<Utf8Str>::const_iterator it;
504 size_t i = 0;
505 for (it = aTask->filenames.begin();
506 it != aTask->filenames.end();
507 ++it, ++i)
508 {
509 vrc = RTS3DeleteKey(hS3, m->strBucket.c_str(), (*it).c_str());
510 if (RT_FAILURE(vrc))
511 throw setError(VBOX_E_FILE_ERROR, tr ("Can't delete file '%s' (%Rrc)"), (*it).c_str(), vrc);
512 if (aTask->progress)
513 aTask->progress->SetCurrentOperationProgress((ULONG)(fPercentStep * i));
514 }
515 }
516 catch(HRESULT aRC)
517 {
518 rc = aRC;
519 }
520
521 aTask->rc = rc;
522
523 if (hS3 != NULL)
524 RTS3Destroy(hS3);
525
526 if (!aTask->progress.isNull())
527 aTask->progress->i_notifyComplete(rc);
528
529 LogFlowFunc(("rc=%Rhrc\n", rc));
530 LogFlowFuncLeave();
531
532 return VINF_SUCCESS;
533}
534#endif /* VBOX_WITH_S3 */
535
536HRESULT VFSExplorer::update(ComPtr<IProgress> &aProgress)
537{
538 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
539
540 HRESULT rc = S_OK;
541
542 ComObjPtr<Progress> progress;
543 try
544 {
545 Bstr progressDesc = BstrFmt(tr("Update directory info for '%s'"),
546 m->strPath.c_str());
547 /* Create the progress object */
548 progress.createObject();
549
550 rc = progress->init(mVirtualBox,
551 static_cast<IVFSExplorer*>(this),
552 progressDesc.raw(),
553 TRUE /* aCancelable */);
554 if (FAILED(rc)) throw rc;
555
556 /* Initialize our worker task */
557 std::auto_ptr<TaskVFSExplorer> task(new TaskVFSExplorer(TaskVFSExplorer::Update, this, progress));
558
559 rc = task->startThread();
560 if (FAILED(rc)) throw rc;
561
562 /* Don't destruct on success */
563 task.release();
564 }
565 catch (HRESULT aRC)
566 {
567 rc = aRC;
568 }
569
570 if (SUCCEEDED(rc))
571 /* Return progress to the caller */
572 progress.queryInterfaceTo(aProgress.asOutParam());
573
574 return rc;
575}
576
577HRESULT VFSExplorer::cd(const com::Utf8Str &aDir, ComPtr<IProgress> &aProgress)
578{
579 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
580 m->strPath = aDir;
581 return update(aProgress);
582}
583
584HRESULT VFSExplorer::cdUp(ComPtr<IProgress> &aProgress)
585{
586 Utf8Str strUpPath;
587 {
588 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
589 /* Remove lowest dir entry in a platform neutral way. */
590 char *pszNewPath = RTStrDup(m->strPath.c_str());
591 RTPathStripTrailingSlash(pszNewPath);
592 RTPathStripFilename(pszNewPath);
593 strUpPath = pszNewPath;
594 RTStrFree(pszNewPath);
595 }
596
597 return cd(strUpPath, aProgress);
598}
599
600HRESULT VFSExplorer::entryList(std::vector<com::Utf8Str> &aNames,
601 std::vector<ULONG> &aTypes,
602 std::vector<LONG64> &aSizes,
603 std::vector<ULONG> &aModes)
604{
605 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
606 aNames.resize(m->entryList.size());
607 aTypes.resize(m->entryList.size());
608 aSizes.resize(m->entryList.size());
609 aModes.resize(m->entryList.size());
610
611 std::list<VFSExplorer::Data::DirEntry>::const_iterator it;
612 size_t i = 0;
613 for (it = m->entryList.begin();
614 it != m->entryList.end();
615 ++it, ++i)
616 {
617 const VFSExplorer::Data::DirEntry &entry = (*it);
618 aNames[i] = entry.name;
619 aTypes[i] = entry.type;
620 aSizes[i] = entry.type;
621 aModes[i] = entry.mode;
622 }
623
624 return S_OK;
625}
626
627HRESULT VFSExplorer::exists(const std::vector<com::Utf8Str> &aNames,
628 std::vector<com::Utf8Str> &aExists)
629{
630
631 AutoCaller autoCaller(this);
632 if (FAILED(autoCaller.rc())) return autoCaller.rc();
633
634 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
635 aExists.resize(0);
636 for (size_t i=0; i < aNames.size(); ++i)
637 {
638 std::list<VFSExplorer::Data::DirEntry>::const_iterator it;
639 for (it = m->entryList.begin();
640 it != m->entryList.end();
641 ++it)
642 {
643 const VFSExplorer::Data::DirEntry &entry = (*it);
644 if (entry.name == RTPathFilename(aNames[i].c_str()))
645 aExists.push_back(aNames[i]);
646 }
647 }
648
649 return S_OK;
650}
651
652HRESULT VFSExplorer::remove(const std::vector<com::Utf8Str> &aNames,
653 ComPtr<IProgress> &aProgress)
654{
655 AutoCaller autoCaller(this);
656 if (FAILED(autoCaller.rc())) return autoCaller.rc();
657
658 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
659
660 HRESULT rc = S_OK;
661
662 ComObjPtr<Progress> progress;
663 try
664 {
665 /* Create the progress object */
666 progress.createObject();
667
668 rc = progress->init(mVirtualBox, static_cast<IVFSExplorer*>(this),
669 Bstr(tr("Delete files")).raw(),
670 TRUE /* aCancelable */);
671 if (FAILED(rc)) throw rc;
672
673 /* Initialize our worker task */
674 std::auto_ptr<TaskVFSExplorer> task(new TaskVFSExplorer(TaskVFSExplorer::Delete, this, progress));
675
676 /* Add all filenames to delete as task data */
677 for (size_t i = 0; i < aNames.size(); ++i)
678 task->filenames.push_back(aNames[i]);
679
680 rc = task->startThread();
681 if (FAILED(rc)) throw rc;
682
683 /* Don't destruct on success */
684 task.release();
685 }
686 catch (HRESULT aRC)
687 {
688 rc = aRC;
689 }
690
691 if (SUCCEEDED(rc))
692 /* Return progress to the caller */
693 progress.queryInterfaceTo(aProgress.asOutParam());
694
695 return rc;
696}
697
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