VFSExplorerImpl.cpp@ 25837

Last change on this file since 25837 was 25310, checked in by vboxsync, 15 years ago
Main: lock validator, first batch: implement per-thread stack to trace locking (disabled by default, use VBOX_WITH_LOCK_VALIDATOR, but that WILL FAIL presently)
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 18.5 KB

Line
1	/* $Id: VFSExplorerImpl.cpp 25310 2009-12-10 17:06:44Z vboxsync $ */
2	/** @file
3	*
4	* IVFSExplorer COM class implementations.
5	*/
6
7	/*
8	* Copyright (C) 2009 Sun Microsystems, Inc.
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	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
19	* Clara, CA 95054 USA or visit http://www.sun.com if you need
20	* additional information or have any questions.
21	*/
22
23	#include <iprt/dir.h>
24	#include <iprt/path.h>
25	#include <iprt/file.h>
26	#include <iprt/s3.h>
27
28	#include <VBox/com/array.h>
29
30	#include <VBox/param.h>
31	#include <VBox/version.h>
32
33	#include "VFSExplorerImpl.h"
34	#include "VirtualBoxImpl.h"
35	#include "ProgressImpl.h"
36
37	#include "Logging.h"
38
39	////////////////////////////////////////////////////////////////////////////////
40	//
41	// VFSExplorer definitions
42	//
43	////////////////////////////////////////////////////////////////////////////////
44
45	/* opaque private instance data of VFSExplorer class */
46	struct VFSExplorer::Data
47	{
48	struct DirEntry
49	{
50	DirEntry(Utf8Str aName, VFSFileType_T aType)
51	: name(aName)
52	, type(aType) {}
53
54	Utf8Str name;
55	VFSFileType_T type;
56	};
57
58	VFSType_T storageType;
59	Utf8Str strUsername;
60	Utf8Str strPassword;
61	Utf8Str strHostname;
62	Utf8Str strPath;
63	Utf8Str strBucket;
64
65	std::list<DirEntry> entryList;
66	};
67
68	DEFINE_EMPTY_CTOR_DTOR(VFSExplorer)
69
70	/**
71	* VFSExplorer COM initializer.
72	* @param
73	* @return
74	*/
75	HRESULT VFSExplorer::init(VFSType_T aType, Utf8Str aFilePath, Utf8Str aHostname, Utf8Str aUsername, Utf8Str aPassword, VirtualBox *aVirtualBox)
76	{
77	/* Enclose the state transition NotReady->InInit->Ready */
78	AutoInitSpan autoInitSpan(this);
79	AssertReturn(autoInitSpan.isOk(), E_FAIL);
80
81	/* Weak reference to a VirtualBox object */
82	unconst(mVirtualBox) = aVirtualBox;
83
84	/* initialize data */
85	m = new Data;
86
87	m->storageType = aType;
88	m->strPath = aFilePath;
89	m->strHostname = aHostname;
90	m->strUsername = aUsername;
91	m->strPassword = aPassword;
92
93	if (m->storageType == VFSType_S3)
94	{
95	size_t bpos = aFilePath.find("/", 1);
96	if (bpos != Utf8Str::npos)
97	{
98	m->strBucket = aFilePath.substr(1, bpos - 1); /* The bucket without any slashes */
99	aFilePath = aFilePath.substr(bpos); /* The rest of the file path */
100	}
101	}
102
103	/* Confirm a successful initialization */
104	autoInitSpan.setSucceeded();
105
106	return S_OK;
107	}
108
109	/**
110	* VFSExplorer COM uninitializer.
111	* @return
112	*/
113	void VFSExplorer::uninit()
114	{
115	delete m;
116	m = NULL;
117	}
118
119	/**
120	* Public method implementation.
121	* @param
122	* @return
123	*/
124	STDMETHODIMP VFSExplorer::COMGETTER(Path)(BSTR *aPath)
125	{
126	if (!aPath)
127	return E_POINTER;
128
129	AutoCaller autoCaller(this);
130	if (FAILED(autoCaller.rc())) return autoCaller.rc();
131
132	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
133
134	Bstr bstrPath(m->strPath);
135	bstrPath.cloneTo(aPath);
136
137	return S_OK;
138	}
139
140	STDMETHODIMP VFSExplorer::COMGETTER(Type)(VFSType_T *aType)
141	{
142	if (!aType)
143	return E_POINTER;
144
145	AutoCaller autoCaller(this);
146	if (FAILED(autoCaller.rc())) return autoCaller.rc();
147
148	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
149
150	*aType = m->storageType;
151
152	return S_OK;
153	}
154
155	struct VFSExplorer::TaskVFSExplorer
156	{
157	enum TaskType
158	{
159	Update,
160	Delete
161	};
162
163	TaskVFSExplorer(TaskType aTaskType, VFSExplorer aThat, Progress aProgress)
164	: taskType(aTaskType),
165	pVFSExplorer(aThat),
166	progress(aProgress),
167	rc(S_OK)
168	{}
169	~TaskVFSExplorer() {}
170
171	int startThread();
172	static int taskThread(RTTHREAD aThread, void *pvUser);
173	static int uploadProgress(unsigned uPercent, void *pvUser);
174
175	TaskType taskType;
176	VFSExplorer *pVFSExplorer;
177	ComObjPtr<Progress> progress;
178	HRESULT rc;
179
180	/* task data */
181	std::list<Utf8Str> filenames;
182	};
183
184	int VFSExplorer::TaskVFSExplorer::startThread()
185	{
186	int vrc = RTThreadCreate(NULL, VFSExplorer::TaskVFSExplorer::taskThread, this,
187	0, RTTHREADTYPE_MAIN_HEAVY_WORKER, 0,
188	"Explorer::Task");
189
190	ComAssertMsgRCRet(vrc,
191	("Could not create taskThreadVFS (%Rrc)\n", vrc), E_FAIL);
192
193	return vrc;
194	}
195
196	/* static */
197	DECLCALLBACK(int) VFSExplorer::TaskVFSExplorer::taskThread(RTTHREAD /* aThread /, void pvUser)
198	{
199	std::auto_ptr<TaskVFSExplorer> task(static_cast<TaskVFSExplorer*>(pvUser));
200	AssertReturn(task.get(), VERR_GENERAL_FAILURE);
201
202	VFSExplorer *pVFSExplorer = task->pVFSExplorer;
203
204	LogFlowFuncEnter();
205	LogFlowFunc(("VFSExplorer %p\n", pVFSExplorer));
206
207	HRESULT rc = S_OK;
208
209	switch(task->taskType)
210	{
211	case TaskVFSExplorer::Update:
212	{
213	if (pVFSExplorer->m->storageType == VFSType_File)
214	rc = pVFSExplorer->updateFS(task.get());
215	else if (pVFSExplorer->m->storageType == VFSType_S3)
216	rc = pVFSExplorer->updateS3(task.get());
217	break;
218	}
219	case TaskVFSExplorer::Delete:
220	{
221	if (pVFSExplorer->m->storageType == VFSType_File)
222	rc = pVFSExplorer->deleteFS(task.get());
223	else if (pVFSExplorer->m->storageType == VFSType_S3)
224	rc = pVFSExplorer->deleteS3(task.get());
225	break;
226	}
227	}
228
229	LogFlowFunc(("rc=%Rhrc\n", rc));
230	LogFlowFuncLeave();
231
232	return VINF_SUCCESS;
233	}
234
235	/* static */
236	int VFSExplorer::TaskVFSExplorer::uploadProgress(unsigned uPercent, void *pvUser)
237	{
238	VFSExplorer::TaskVFSExplorer* pTask = (VFSExplorer::TaskVFSExplorer*)pvUser;
239
240	if (pTask &&
241	!pTask->progress.isNull())
242	{
243	BOOL fCanceled;
244	pTask->progress->COMGETTER(Canceled)(&fCanceled);
245	if (fCanceled)
246	return -1;
247	pTask->progress->SetCurrentOperationProgress(uPercent);
248	}
249	return VINF_SUCCESS;
250	}
251
252	VFSFileType_T VFSExplorer::RTToVFSFileType(int aType) const
253	{
254	VFSFileType_T t;
255	switch(aType)
256	{
257	default:
258	case RTDIRENTRYTYPE_UNKNOWN: t = VFSFileType_Unknown; break;
259	case RTDIRENTRYTYPE_FIFO: t = VFSFileType_Fifo; break;
260	case RTDIRENTRYTYPE_DEV_CHAR: t = VFSFileType_DevChar; break;
261	case RTDIRENTRYTYPE_DIRECTORY: t = VFSFileType_Directory; break;
262	case RTDIRENTRYTYPE_DEV_BLOCK: t = VFSFileType_DevBlock; break;
263	case RTDIRENTRYTYPE_FILE: t = VFSFileType_File; break;
264	case RTDIRENTRYTYPE_SYMLINK: t = VFSFileType_SymLink; break;
265	case RTDIRENTRYTYPE_SOCKET: t = VFSFileType_Socket; break;
266	case RTDIRENTRYTYPE_WHITEOUT: t = VFSFileType_WhiteOut; break;
267	}
268	return t;
269	}
270
271	HRESULT VFSExplorer::updateFS(TaskVFSExplorer *aTask)
272	{
273	LogFlowFuncEnter();
274
275	AutoCaller autoCaller(this);
276	if (FAILED(autoCaller.rc())) return autoCaller.rc();
277
278	AutoWriteLock appLock(this COMMA_LOCKVAL_SRC_POS);
279
280	HRESULT rc = S_OK;
281
282	std::list<VFSExplorer::Data::DirEntry> fileList;
283	char *pszPath = NULL;
284	PRTDIR pDir = NULL;
285	try
286	{
287	pszPath = RTStrDup(m->strPath.c_str());
288	RTPathStripFilename(pszPath);
289	int vrc = RTDirOpen(&pDir, pszPath);
290	if (RT_FAILURE(vrc))
291	throw setError(VBOX_E_FILE_ERROR, tr ("Can't open directory '%s' (%Rrc)"), pszPath, vrc);
292
293	if(aTask->progress)
294	aTask->progress->SetCurrentOperationProgress(33);
295	RTDIRENTRY entry;
296	while (RT_SUCCESS(vrc))
297	{
298	vrc = RTDirRead(pDir, &entry, NULL);
299	if (RT_SUCCESS(vrc))
300	{
301	Utf8Str name(entry.szName);
302	if (name != "." &&
303	name != "..")
304	fileList.push_back(VFSExplorer::Data::DirEntry(name, RTToVFSFileType(entry.enmType)));
305	}
306	}
307	if(aTask->progress)
308	aTask->progress->SetCurrentOperationProgress(66);
309	}
310	catch(HRESULT aRC)
311	{
312	rc = aRC;
313	}
314
315	/* Clean up */
316	if (pszPath)
317	RTStrFree(pszPath);
318	if (pDir)
319	RTDirClose(pDir);
320
321	if(aTask->progress)
322	aTask->progress->SetCurrentOperationProgress(99);
323
324	/* Assign the result on success (this clears the old list) */
325	if (rc == S_OK)
326	m->entryList.assign(fileList.begin(), fileList.end());
327
328	aTask->rc = rc;
329
330	if (!aTask->progress.isNull())
331	aTask->progress->notifyComplete(rc);
332
333	LogFlowFunc(("rc=%Rhrc\n", rc));
334	LogFlowFuncLeave();
335
336	return VINF_SUCCESS;
337	}
338
339	HRESULT VFSExplorer::deleteFS(TaskVFSExplorer *aTask)
340	{
341	LogFlowFuncEnter();
342
343	AutoCaller autoCaller(this);
344	if (FAILED(autoCaller.rc())) return autoCaller.rc();
345
346	AutoWriteLock appLock(this COMMA_LOCKVAL_SRC_POS);
347
348	HRESULT rc = S_OK;
349
350	float fPercentStep = 100.0f / aTask->filenames.size();
351	try
352	{
353	char szPath[RTPATH_MAX];
354	std::list<Utf8Str>::const_iterator it;
355	size_t i = 0;
356	for (it = aTask->filenames.begin();
357	it != aTask->filenames.end();
358	++it, ++i)
359	{
360	memcpy(szPath, m->strPath.c_str(), strlen(m->strPath.c_str()) + 1);
361	RTPathStripFilename(szPath);
362	RTPathAppend(szPath, sizeof(szPath), (*it).c_str());
363	int vrc = RTFileDelete(szPath);
364	if (RT_FAILURE(vrc))
365	throw setError(VBOX_E_FILE_ERROR, tr ("Can't delete file '%s' (%Rrc)"), szPath, vrc);
366	if(aTask->progress)
367	aTask->progress->SetCurrentOperationProgress((ULONG)(fPercentStep * i));
368	}
369	}
370	catch(HRESULT aRC)
371	{
372	rc = aRC;
373	}
374
375	aTask->rc = rc;
376
377	if (!aTask->progress.isNull())
378	aTask->progress->notifyComplete(rc);
379
380	LogFlowFunc(("rc=%Rhrc\n", rc));
381	LogFlowFuncLeave();
382
383	return VINF_SUCCESS;
384	}
385
386	HRESULT VFSExplorer::updateS3(TaskVFSExplorer *aTask)
387	{
388	LogFlowFuncEnter();
389
390	AutoCaller autoCaller(this);
391	if (FAILED(autoCaller.rc())) return autoCaller.rc();
392
393	AutoWriteLock appLock(this COMMA_LOCKVAL_SRC_POS);
394
395	HRESULT rc = S_OK;
396
397	RTS3 hS3 = NULL;
398	std::list<VFSExplorer::Data::DirEntry> fileList;
399	try
400	{
401	int vrc = RTS3Create(&hS3, m->strUsername.c_str(), m->strPassword.c_str(), m->strHostname.c_str(), "virtualbox-agent/"VBOX_VERSION_STRING);
402	if (RT_FAILURE(vrc))
403	throw setError(E_FAIL, tr ("Can't open S3 storage service (%Rrc)"), vrc);
404
405	RTS3SetProgressCallback(hS3, VFSExplorer::TaskVFSExplorer::uploadProgress, &aTask);
406	/* Do we need the list of buckets or keys? */
407	if (m->strBucket.isEmpty())
408	{
409	PCRTS3BUCKETENTRY pBuckets = NULL;
410	vrc = RTS3GetBuckets(hS3, &pBuckets);
411	if (RT_FAILURE(vrc))
412	throw setError(E_FAIL, tr ("Can't get buckets (%Rrc)"), vrc);
413
414	PCRTS3BUCKETENTRY pTmpBuckets = pBuckets;
415	while (pBuckets)
416	{
417	fileList.push_back(VFSExplorer::Data::DirEntry(pBuckets->pszName, VFSFileType_Directory));
418	pBuckets = pBuckets->pNext;
419	}
420	RTS3BucketsDestroy(pTmpBuckets);
421	}
422	else
423	{
424	PCRTS3KEYENTRY pKeys = NULL;
425	vrc = RTS3GetBucketKeys(hS3, m->strBucket.c_str(), &pKeys);
426	if (RT_FAILURE(vrc))
427	throw setError(E_FAIL, tr ("Can't get keys for bucket (%Rrc)"), vrc);
428
429	PCRTS3KEYENTRY pTmpKeys = pKeys;
430	while (pKeys)
431	{
432	Utf8Str name(pKeys->pszName);
433	fileList.push_back(VFSExplorer::Data::DirEntry(pKeys->pszName, VFSFileType_File));
434	pKeys = pKeys->pNext;
435	}
436	RTS3KeysDestroy(pTmpKeys);
437	}
438	}
439	catch(HRESULT aRC)
440	{
441	rc = aRC;
442	}
443
444	if (hS3 != NULL)
445	RTS3Destroy(hS3);
446
447	/* Assign the result on success (this clears the old list) */
448	if (rc == S_OK)
449	m->entryList.assign(fileList.begin(), fileList.end());
450
451	aTask->rc = rc;
452
453	if (!aTask->progress.isNull())
454	aTask->progress->notifyComplete(rc);
455
456	LogFlowFunc(("rc=%Rhrc\n", rc));
457	LogFlowFuncLeave();
458
459	return VINF_SUCCESS;
460	}
461
462	HRESULT VFSExplorer::deleteS3(TaskVFSExplorer *aTask)
463	{
464	LogFlowFuncEnter();
465
466	AutoCaller autoCaller(this);
467	if (FAILED(autoCaller.rc())) return autoCaller.rc();
468
469	AutoWriteLock appLock(this COMMA_LOCKVAL_SRC_POS);
470
471	HRESULT rc = S_OK;
472
473	RTS3 hS3 = NULL;
474	float fPercentStep = 100.0f / aTask->filenames.size();
475	try
476	{
477	int vrc = RTS3Create(&hS3, m->strUsername.c_str(), m->strPassword.c_str(), m->strHostname.c_str(), "virtualbox-agent/"VBOX_VERSION_STRING);
478	if (RT_FAILURE(vrc))
479	throw setError(E_FAIL, tr ("Can't open S3 storage service (%Rrc)"), vrc);
480
481	RTS3SetProgressCallback(hS3, VFSExplorer::TaskVFSExplorer::uploadProgress, &aTask);
482
483	std::list<Utf8Str>::const_iterator it;
484	size_t i = 0;
485	for (it = aTask->filenames.begin();
486	it != aTask->filenames.end();
487	++it, ++i)
488	{
489	vrc = RTS3DeleteKey(hS3, m->strBucket.c_str(), (*it).c_str());
490	if (RT_FAILURE(vrc))
491	throw setError(VBOX_E_FILE_ERROR, tr ("Can't delete file '%s' (%Rrc)"), (*it).c_str(), vrc);
492	if(aTask->progress)
493	aTask->progress->SetCurrentOperationProgress((ULONG)(fPercentStep * i));
494	}
495	}
496	catch(HRESULT aRC)
497	{
498	rc = aRC;
499	}
500
501	aTask->rc = rc;
502
503	if (hS3 != NULL)
504	RTS3Destroy(hS3);
505
506	if (!aTask->progress.isNull())
507	aTask->progress->notifyComplete(rc);
508
509	LogFlowFunc(("rc=%Rhrc\n", rc));
510	LogFlowFuncLeave();
511
512	return VINF_SUCCESS;
513	}
514
515	STDMETHODIMP VFSExplorer::Update(IProgress **aProgress)
516	{
517	CheckComArgOutPointerValid(aProgress);
518
519	AutoCaller autoCaller(this);
520	if (FAILED(autoCaller.rc())) return autoCaller.rc();
521
522	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
523
524	HRESULT rc = S_OK;
525
526	ComObjPtr<Progress> progress;
527	try
528	{
529	Bstr progressDesc = BstrFmt(tr("Update directory info for '%s'"),
530	m->strPath.raw());
531	/* Create the progress object */
532	progress.createObject();
533
534	rc = progress->init(mVirtualBox, static_cast<IVFSExplorer*>(this),
535	progressDesc,
536	TRUE /* aCancelable */);
537	if (FAILED(rc)) throw rc;
538
539	/* Initialize our worker task */
540	std::auto_ptr<TaskVFSExplorer> task(new TaskVFSExplorer(TaskVFSExplorer::Update, this, progress));
541
542	rc = task->startThread();
543	if (FAILED(rc)) throw rc;
544
545	/* Don't destruct on success */
546	task.release();
547	}
548	catch (HRESULT aRC)
549	{
550	rc = aRC;
551	}
552
553	if (SUCCEEDED(rc))
554	/* Return progress to the caller */
555	progress.queryInterfaceTo(aProgress);
556
557	return rc;
558	}
559
560	STDMETHODIMP VFSExplorer::Cd(IN_BSTR aDir, IProgress **aProgress)
561	{
562	CheckComArgNotNull(aDir);
563	CheckComArgOutPointerValid(aProgress);
564
565	return E_NOTIMPL;
566	}
567
568	STDMETHODIMP VFSExplorer::CdUp(IProgress **aProgress)
569	{
570	CheckComArgOutPointerValid(aProgress);
571
572	return E_NOTIMPL;
573	}
574
575	STDMETHODIMP VFSExplorer::EntryList(ComSafeArrayOut(BSTR, aNames), ComSafeArrayOut(VFSFileType_T, aTypes))
576	{
577	if (ComSafeArrayOutIsNull(aNames) \|\|
578	ComSafeArrayOutIsNull(aTypes))
579	return E_POINTER;
580
581	AutoCaller autoCaller(this);
582	if (FAILED(autoCaller.rc())) return autoCaller.rc();
583
584	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
585
586	com::SafeArray<BSTR> sfaNames((ULONG)m->entryList.size());
587	com::SafeArray<ULONG> sfaTypes((VFSFileType_T)m->entryList.size());
588
589	std::list<VFSExplorer::Data::DirEntry>::const_iterator it;
590	size_t i = 0;
591	for (it = m->entryList.begin();
592	it != m->entryList.end();
593	++it, ++i)
594	{
595	const VFSExplorer::Data::DirEntry &entry = (*it);
596	Bstr bstr(entry.name);
597	bstr.cloneTo(&sfaNames[i]);
598	sfaTypes[i] = entry.type;
599	}
600
601	sfaNames.detachTo(ComSafeArrayOutArg(aNames));
602	sfaTypes.detachTo(ComSafeArrayOutArg(aTypes));
603
604	return S_OK;
605	}
606
607	STDMETHODIMP VFSExplorer::Exists(ComSafeArrayIn(IN_BSTR, aNames), ComSafeArrayOut(BSTR, aExists))
608	{
609	CheckComArgSafeArrayNotNull(aNames);
610
611	AutoCaller autoCaller(this);
612	if (FAILED(autoCaller.rc())) return autoCaller.rc();
613
614	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
615
616	com::SafeArray<IN_BSTR> sfaNames(ComSafeArrayInArg(aNames));
617	std::list<BSTR> listExists;
618
619	std::list<VFSExplorer::Data::DirEntry>::const_iterator it;
620	for (it = m->entryList.begin();
621	it != m->entryList.end();
622	++it)
623	{
624	const VFSExplorer::Data::DirEntry &entry = (*it);
625	for (size_t a=0; a < sfaNames.size(); ++a)
626	{
627	if (entry.name == RTPathFilename(Utf8Str(sfaNames[a]).c_str()))
628	{
629	BSTR name;
630	Bstr tmp(sfaNames[a]); /* gcc-3.3 cruft */
631	tmp.cloneTo(&name);
632	listExists.push_back(name);
633	}
634	}
635	}
636
637	com::SafeArray<BSTR> sfaExists(listExists);
638	sfaExists.detachTo(ComSafeArrayOutArg(aExists));
639
640	return S_OK;
641	}
642
643	STDMETHODIMP VFSExplorer::Remove(ComSafeArrayIn(IN_BSTR, aNames), IProgress **aProgress)
644	{
645	CheckComArgSafeArrayNotNull(aNames);
646	CheckComArgOutPointerValid(aProgress);
647
648	AutoCaller autoCaller(this);
649	if (FAILED(autoCaller.rc())) return autoCaller.rc();
650
651	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
652
653	HRESULT rc = S_OK;
654
655	com::SafeArray<IN_BSTR> sfaNames(ComSafeArrayInArg(aNames));
656
657	ComObjPtr<Progress> progress;
658	try
659	{
660	/* Create the progress object */
661	progress.createObject();
662
663	rc = progress->init(mVirtualBox, static_cast<IVFSExplorer*>(this),
664	Bstr(tr("Delete files")),
665	TRUE /* aCancelable */);
666	if (FAILED(rc)) throw rc;
667
668	/* Initialize our worker task */
669	std::auto_ptr<TaskVFSExplorer> task(new TaskVFSExplorer(TaskVFSExplorer::Delete, this, progress));
670
671	/* Add all filenames to delete as task data */
672	for (size_t a=0; a < sfaNames.size(); ++a)
673	task->filenames.push_back(Utf8Str(sfaNames[a]));
674
675	rc = task->startThread();
676	if (FAILED(rc)) throw rc;
677
678	/* Don't destruct on success */
679	task.release();
680	}
681	catch (HRESULT aRC)
682	{
683	rc = aRC;
684	}
685
686	if (SUCCEEDED(rc))
687	/* Return progress to the caller */
688	progress.queryInterfaceTo(aProgress);
689
690	return rc;
691	}
692

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source: vbox/trunk/src/VBox/Main/VFSExplorerImpl.cpp@ 25837

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