VFSExplorerImpl.cpp@ 85672

Last change on this file since 85672 was 85218, checked in by vboxsync, 4 years ago
Main/VFSExplorerImpl.cpp: Corrected totally messed up i_iprtToVfsObjType code. Use RTFOFF for the DirEntry size to avoid sign conversion non-sense. bugref:9790
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 14.5 KB

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1	/* $Id: VFSExplorerImpl.cpp 85218 2020-07-11 14:09:04Z vboxsync $ */
2	/** @file
3	* IVFSExplorer COM class implementations.
4	*/
5
6	/*
7	* Copyright (C) 2009-2020 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17
18	#define LOG_GROUP LOG_GROUP_MAIN_VFSEXPLORER
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 "LoggingNew.h"
36	#include "ThreadTask.h"
37
38	#include <memory>
39
40	struct VFSExplorer::Data
41	{
42	struct DirEntry
43	{
44	DirEntry(Utf8Str strName, FsObjType_T fileType, RTFOFF cbSize, uint32_t fMode)
45	: name(strName)
46	, type(fileType)
47	, size(cbSize)
48	, mode(fMode) {}
49
50	Utf8Str name;
51	FsObjType_T type;
52	RTFOFF size;
53	uint32_t mode;
54	};
55
56	VFSType_T storageType;
57	Utf8Str strUsername;
58	Utf8Str strPassword;
59	Utf8Str strHostname;
60	Utf8Str strPath;
61	Utf8Str strBucket;
62	std::list<DirEntry> entryList;
63	};
64
65
66	VFSExplorer::VFSExplorer()
67	: mVirtualBox(NULL)
68	{
69	}
70
71	VFSExplorer::~VFSExplorer()
72	{
73	}
74
75
76	/**
77	* VFSExplorer COM initializer.
78	* @param aType VFS type.
79	* @param aFilePath File path.
80	* @param aHostname Host name.
81	* @param aUsername User name.
82	* @param aPassword Password.
83	* @param aVirtualBox VirtualBox object.
84	* @return
85	*/
86	HRESULT VFSExplorer::init(VFSType_T aType, Utf8Str aFilePath, Utf8Str aHostname, Utf8Str aUsername,
87	Utf8Str aPassword, VirtualBox *aVirtualBox)
88	{
89	/* Enclose the state transition NotReady->InInit->Ready */
90	AutoInitSpan autoInitSpan(this);
91	AssertReturn(autoInitSpan.isOk(), E_FAIL);
92
93	/* Weak reference to a VirtualBox object */
94	unconst(mVirtualBox) = aVirtualBox;
95
96	/* initialize data */
97	m = new Data;
98
99	m->storageType = aType;
100	m->strPath = aFilePath;
101	m->strHostname = aHostname;
102	m->strUsername = aUsername;
103	m->strPassword = aPassword;
104
105	if (m->storageType == VFSType_S3)
106	{
107	size_t bpos = aFilePath.find("/", 1);
108	if (bpos != Utf8Str::npos)
109	{
110	m->strBucket = aFilePath.substr(1, bpos - 1); /* The bucket without any slashes */
111	aFilePath = aFilePath.substr(bpos); /* The rest of the file path */
112	}
113	}
114
115	/* Confirm a successful initialization */
116	autoInitSpan.setSucceeded();
117
118	return S_OK;
119	}
120
121	/**
122	* VFSExplorer COM uninitializer.
123	* @return
124	*/
125	void VFSExplorer::uninit()
126	{
127	delete m;
128	m = NULL;
129	}
130
131	/**
132	* Public method implementation.
133	* @param aPath Where to store the path.
134	* @return
135	*/
136	HRESULT VFSExplorer::getPath(com::Utf8Str &aPath)
137	{
138	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
139
140	aPath = m->strPath;
141
142	return S_OK;
143	}
144
145
146	HRESULT VFSExplorer::getType(VFSType_T *aType)
147	{
148	if (!aType)
149	return E_POINTER;
150
151	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
152
153	*aType = m->storageType;
154
155	return S_OK;
156	}
157
158	class VFSExplorer::TaskVFSExplorer : public ThreadTask
159	{
160	public:
161	enum TaskType
162	{
163	Update,
164	Delete
165	};
166
167	TaskVFSExplorer(TaskType aTaskType, VFSExplorer aThat, Progress aProgress)
168	: m_taskType(aTaskType),
169	m_pVFSExplorer(aThat),
170	m_ptrProgress(aProgress),
171	m_rc(S_OK)
172	{
173	m_strTaskName = "Explorer::Task";
174	}
175	~TaskVFSExplorer() {}
176
177	private:
178	void handler();
179
180	#if 0 /* unused */
181	static DECLCALLBACK(int) uploadProgress(unsigned uPercent, void *pvUser);
182	#endif
183
184	TaskType m_taskType;
185	VFSExplorer *m_pVFSExplorer;
186
187	ComObjPtr<Progress> m_ptrProgress;
188	HRESULT m_rc;
189
190	/* task data */
191	std::list<Utf8Str> m_lstFilenames;
192
193	friend class VFSExplorer;
194	};
195
196	/* static */
197	void VFSExplorer::TaskVFSExplorer::handler()
198	{
199	VFSExplorer *pVFSExplorer = this->m_pVFSExplorer;
200
201	LogFlowFuncEnter();
202	LogFlowFunc(("VFSExplorer %p\n", pVFSExplorer));
203
204	HRESULT rc = S_OK;
205
206	switch (this->m_taskType)
207	{
208	case TaskVFSExplorer::Update:
209	{
210	if (pVFSExplorer->m->storageType == VFSType_File)
211	rc = pVFSExplorer->i_updateFS(this);
212	else if (pVFSExplorer->m->storageType == VFSType_S3)
213	rc = E_NOTIMPL;
214	break;
215	}
216	case TaskVFSExplorer::Delete:
217	{
218	if (pVFSExplorer->m->storageType == VFSType_File)
219	rc = pVFSExplorer->i_deleteFS(this);
220	else if (pVFSExplorer->m->storageType == VFSType_S3)
221	rc = E_NOTIMPL;
222	break;
223	}
224	default:
225	AssertMsgFailed(("Invalid task type %u specified!\n", this->m_taskType));
226	break;
227	}
228
229	LogFlowFunc(("rc=%Rhrc\n", rc)); NOREF(rc);
230	LogFlowFuncLeave();
231	}
232
233	#if 0 /* unused */
234	/* static */
235	DECLCALLBACK(int) VFSExplorer::TaskVFSExplorer::uploadProgress(unsigned uPercent, void *pvUser)
236	{
237	VFSExplorer::TaskVFSExplorer* pTask = (VFSExplorer::TaskVFSExplorer*)pvUser;
238
239	if (pTask &&
240	!pTask->m_ptrProgress.isNull())
241	{
242	BOOL fCanceled;
243	pTask->m_ptrProgress->COMGETTER(Canceled)(&fCanceled);
244	if (fCanceled)
245	return -1;
246	pTask->m_ptrProgress->SetCurrentOperationProgress(uPercent);
247	}
248	return VINF_SUCCESS;
249	}
250	#endif
251
252	FsObjType_T VFSExplorer::i_iprtToVfsObjType(RTFMODE aType) const
253	{
254	switch (aType & RTFS_TYPE_MASK)
255	{
256	case RTFS_TYPE_DIRECTORY: return FsObjType_Directory;
257	case RTFS_TYPE_FILE: return FsObjType_File;
258	case RTFS_TYPE_SYMLINK: return FsObjType_Symlink;
259	case RTFS_TYPE_FIFO: return FsObjType_Fifo;
260	case RTFS_TYPE_DEV_CHAR: return FsObjType_DevChar;
261	case RTFS_TYPE_DEV_BLOCK: return FsObjType_DevBlock;
262	case RTFS_TYPE_SOCKET: return FsObjType_Socket;
263	case RTFS_TYPE_WHITEOUT: return FsObjType_WhiteOut;
264	default: return FsObjType_Unknown;
265	}
266	}
267
268	HRESULT VFSExplorer::i_updateFS(TaskVFSExplorer *aTask)
269	{
270	LogFlowFuncEnter();
271
272	AutoCaller autoCaller(this);
273	if (FAILED(autoCaller.rc())) return autoCaller.rc();
274
275	AutoWriteLock appLock(this COMMA_LOCKVAL_SRC_POS);
276
277	HRESULT rc = S_OK;
278
279	std::list<VFSExplorer::Data::DirEntry> fileList;
280	RTDIR hDir;
281	int vrc = RTDirOpen(&hDir, m->strPath.c_str());
282	if (RT_SUCCESS(vrc))
283	{
284	try
285	{
286	if (aTask->m_ptrProgress)
287	aTask->m_ptrProgress->SetCurrentOperationProgress(33);
288	RTDIRENTRYEX entry;
289	while (RT_SUCCESS(vrc))
290	{
291	vrc = RTDirReadEx(hDir, &entry, NULL, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK);
292	if (RT_SUCCESS(vrc))
293	{
294	Utf8Str name(entry.szName);
295	if ( name != "."
296	&& name != "..")
297	fileList.push_back(VFSExplorer::Data::DirEntry(name, i_iprtToVfsObjType(entry.Info.Attr.fMode),
298	entry.Info.cbObject,
299	entry.Info.Attr.fMode
300	& (RTFS_UNIX_IRWXU \| RTFS_UNIX_IRWXG \| RTFS_UNIX_IRWXO)));
301	}
302	}
303	if (aTask->m_ptrProgress)
304	aTask->m_ptrProgress->SetCurrentOperationProgress(66);
305	}
306	catch (HRESULT aRC)
307	{
308	rc = aRC;
309	}
310
311	/* Clean up */
312	RTDirClose(hDir);
313	}
314	else
315	rc = setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr ("Can't open directory '%s' (%Rrc)"), m->strPath.c_str(), vrc);
316
317	if (aTask->m_ptrProgress)
318	aTask->m_ptrProgress->SetCurrentOperationProgress(99);
319
320	/* Assign the result on success (this clears the old list) */
321	if (rc == S_OK)
322	m->entryList.assign(fileList.begin(), fileList.end());
323
324	aTask->m_rc = rc;
325
326	if (!aTask->m_ptrProgress.isNull())
327	aTask->m_ptrProgress->i_notifyComplete(rc);
328
329	LogFlowFunc(("rc=%Rhrc\n", rc));
330	LogFlowFuncLeave();
331
332	return S_OK; /** @todo ??? */
333	}
334
335	HRESULT VFSExplorer::i_deleteFS(TaskVFSExplorer *aTask)
336	{
337	LogFlowFuncEnter();
338
339	AutoCaller autoCaller(this);
340	if (FAILED(autoCaller.rc())) return autoCaller.rc();
341
342	AutoWriteLock appLock(this COMMA_LOCKVAL_SRC_POS);
343
344	HRESULT rc = S_OK;
345
346	float fPercentStep = 100.0f / (float)aTask->m_lstFilenames.size();
347	try
348	{
349	char szPath[RTPATH_MAX];
350	std::list<Utf8Str>::const_iterator it;
351	size_t i = 0;
352	for (it = aTask->m_lstFilenames.begin();
353	it != aTask->m_lstFilenames.end();
354	++it, ++i)
355	{
356	int vrc = RTPathJoin(szPath, sizeof(szPath), m->strPath.c_str(), (*it).c_str());
357	if (RT_FAILURE(vrc))
358	throw setErrorBoth(E_FAIL, vrc, tr("Internal Error (%Rrc)"), vrc);
359	vrc = RTFileDelete(szPath);
360	if (RT_FAILURE(vrc))
361	throw setErrorBoth(VBOX_E_FILE_ERROR, vrc, tr("Can't delete file '%s' (%Rrc)"), szPath, vrc);
362	if (aTask->m_ptrProgress)
363	aTask->m_ptrProgress->SetCurrentOperationProgress((ULONG)(fPercentStep * (float)i));
364	}
365	}
366	catch (HRESULT aRC)
367	{
368	rc = aRC;
369	}
370
371	aTask->m_rc = rc;
372
373	if (aTask->m_ptrProgress.isNotNull())
374	aTask->m_ptrProgress->i_notifyComplete(rc);
375
376	LogFlowFunc(("rc=%Rhrc\n", rc));
377	LogFlowFuncLeave();
378
379	return VINF_SUCCESS;
380	}
381
382	HRESULT VFSExplorer::update(ComPtr<IProgress> &aProgress)
383	{
384	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
385
386	HRESULT rc = S_OK;
387
388	ComObjPtr<Progress> progress;
389	try
390	{
391	Bstr progressDesc = BstrFmt(tr("Update directory info for '%s'"),
392	m->strPath.c_str());
393	/* Create the progress object */
394	progress.createObject();
395
396	rc = progress->init(mVirtualBox,
397	static_cast<IVFSExplorer*>(this),
398	progressDesc.raw(),
399	TRUE /* aCancelable */);
400	if (FAILED(rc)) throw rc;
401
402	/* Initialize our worker task */
403	TaskVFSExplorer* pTask = new TaskVFSExplorer(TaskVFSExplorer::Update, this, progress);
404
405	//this function delete task in case of exceptions, so there is no need in the call of delete operator
406	rc = pTask->createThreadWithType(RTTHREADTYPE_MAIN_HEAVY_WORKER);
407	}
408	catch (HRESULT aRC)
409	{
410	rc = aRC;
411	}
412
413	if (SUCCEEDED(rc))
414	/* Return progress to the caller */
415	progress.queryInterfaceTo(aProgress.asOutParam());
416
417	return rc;
418	}
419
420	HRESULT VFSExplorer::cd(const com::Utf8Str &aDir, ComPtr<IProgress> &aProgress)
421	{
422	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
423	m->strPath = aDir;
424	return update(aProgress);
425	}
426
427	HRESULT VFSExplorer::cdUp(ComPtr<IProgress> &aProgress)
428	{
429	Utf8Str strUpPath;
430	{
431	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
432	/* Remove lowest dir entry in a platform neutral way. */
433	char *pszNewPath = RTStrDup(m->strPath.c_str());
434	RTPathStripTrailingSlash(pszNewPath);
435	RTPathStripFilename(pszNewPath);
436	strUpPath = pszNewPath;
437	RTStrFree(pszNewPath);
438	}
439
440	return cd(strUpPath, aProgress);
441	}
442
443	HRESULT VFSExplorer::entryList(std::vector<com::Utf8Str> &aNames,
444	std::vector<ULONG> &aTypes,
445	std::vector<LONG64> &aSizes,
446	std::vector<ULONG> &aModes)
447	{
448	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
449	aNames.resize(m->entryList.size());
450	aTypes.resize(m->entryList.size());
451	aSizes.resize(m->entryList.size());
452	aModes.resize(m->entryList.size());
453
454	std::list<VFSExplorer::Data::DirEntry>::const_iterator it;
455	size_t i = 0;
456	for (it = m->entryList.begin();
457	it != m->entryList.end();
458	++it, ++i)
459	{
460	const VFSExplorer::Data::DirEntry &entry = (*it);
461	aNames[i] = entry.name;
462	aTypes[i] = entry.type;
463	aSizes[i] = entry.size;
464	aModes[i] = entry.mode;
465	}
466
467	return S_OK;
468	}
469
470	HRESULT VFSExplorer::exists(const std::vector<com::Utf8Str> &aNames,
471	std::vector<com::Utf8Str> &aExists)
472	{
473
474	AutoCaller autoCaller(this);
475	if (FAILED(autoCaller.rc())) return autoCaller.rc();
476
477	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
478	aExists.resize(0);
479	for (size_t i=0; i < aNames.size(); ++i)
480	{
481	std::list<VFSExplorer::Data::DirEntry>::const_iterator it;
482	for (it = m->entryList.begin();
483	it != m->entryList.end();
484	++it)
485	{
486	const VFSExplorer::Data::DirEntry &entry = (*it);
487	if (entry.name == RTPathFilename(aNames[i].c_str()))
488	aExists.push_back(aNames[i]);
489	}
490	}
491
492	return S_OK;
493	}
494
495	HRESULT VFSExplorer::remove(const std::vector<com::Utf8Str> &aNames,
496	ComPtr<IProgress> &aProgress)
497	{
498	AutoCaller autoCaller(this);
499	if (FAILED(autoCaller.rc())) return autoCaller.rc();
500
501	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
502
503	HRESULT rc = S_OK;
504
505	ComObjPtr<Progress> progress;
506	try
507	{
508	/* Create the progress object */
509	progress.createObject();
510
511	rc = progress->init(mVirtualBox, static_cast<IVFSExplorer*>(this),
512	Bstr(tr("Delete files")).raw(),
513	TRUE /* aCancelable */);
514	if (FAILED(rc)) throw rc;
515
516	/* Initialize our worker task */
517	TaskVFSExplorer* pTask = new TaskVFSExplorer(TaskVFSExplorer::Delete, this, progress);
518
519	/* Add all filenames to delete as task data */
520	for (size_t i = 0; i < aNames.size(); ++i)
521	pTask->m_lstFilenames.push_back(aNames[i]);
522
523	//this function delete task in case of exceptions, so there is no need in the call of delete operator
524	rc = pTask->createThreadWithType(RTTHREADTYPE_MAIN_HEAVY_WORKER);
525	}
526	catch (HRESULT aRC)
527	{
528	rc = aRC;
529	}
530
531	if (SUCCEEDED(rc))
532	/* Return progress to the caller */
533	progress.queryInterfaceTo(aProgress.asOutParam());
534
535	return rc;
536	}
537

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source: vbox/trunk/src/VBox/Main/src-server/VFSExplorerImpl.cpp@ 85672

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