DnDTransferObject.cpp@ 86728

Last change on this file since 86728 was 85429, checked in by vboxsync, 4 years ago
DnD: Added DnDTransferObjectInit() / DnDTransferObjectInitEx().
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1	/* $Id: DnDTransferObject.cpp 85429 2020-07-23 11:31:53Z vboxsync $ */
2	/** @file
3	* DnD - Transfer object implemenation for handling creation/reading/writing to files and directories on host or guest side.
4	*/
5
6	/*
7	* Copyright (C) 2014-2020 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
19	/*********************************************************************************************************************************
20	* Header Files *
21	*********************************************************************************************************************************/
22	#define LOG_GROUP LOG_GROUP_GUEST_DND
23	#include <VBox/GuestHost/DragAndDrop.h>
24
25	#include <iprt/dir.h>
26	#include <iprt/err.h>
27	#include <iprt/file.h>
28	#include <iprt/fs.h>
29	#include <iprt/path.h>
30	#include <iprt/string.h>
31	#include <iprt/uri.h>
32
33	#include <VBox/log.h>
34
35
36	/*********************************************************************************************************************************
37	* Prototypes *
38	*********************************************************************************************************************************/
39	static void dndTransferObjectCloseInternal(PDNDTRANSFEROBJECT pObj);
40	static int dndTransferObjectQueryInfoInternal(PDNDTRANSFEROBJECT pObj);
41
42
43	/**
44	* Initializes the object, internal version.
45	*
46	* @returns VBox status code.
47	* @param pObj DnD transfer object to initialize.
48	*/
49	static int dndTransferObjectInitInternal(PDNDTRANSFEROBJECT pObj)
50	{
51	AssertPtrReturn(pObj, VERR_INVALID_POINTER);
52
53	pObj->enmType = DNDTRANSFEROBJTYPE_UNKNOWN;
54	pObj->idxDst = 0;
55	pObj->pszPath = NULL;
56
57	RT_ZERO(pObj->u);
58
59	return VINF_SUCCESS;
60	}
61
62	/**
63	* Initializes the object.
64	*
65	* @returns VBox status code.
66	* @param pObj DnD transfer object to initialize.
67	*/
68	int DnDTransferObjectInit(PDNDTRANSFEROBJECT pObj)
69	{
70	return dndTransferObjectInitInternal(pObj);
71	}
72
73	/**
74	* Initializes the object with an expected object type and file path.
75	*
76	* @returns VBox status code.
77	* @param pObj DnD transfer object to initialize.
78	* @param enmType Type we expect this object to be.
79	* @param pcszPathSrcAbs Absolute source (local) path of file this object represents. Can be empty (e.g. for root stuff).
80	* @param pcszPathDst Relative path of file this object represents at the destination.
81	* Together with \a pcszPathSrcAbs this represents the complete absolute local path.
82	*/
83	int DnDTransferObjectInitEx(PDNDTRANSFEROBJECT pObj,
84	DNDTRANSFEROBJTYPE enmType, const char pcszPathSrcAbs, const char pcszPathDst)
85	{
86	AssertPtrReturn(pObj, VERR_INVALID_POINTER);
87	AssertReturn(pObj->enmType == DNDTRANSFEROBJTYPE_UNKNOWN, VERR_WRONG_ORDER); /* Already initialized? */
88	/* pcszPathSrcAbs can be empty. */
89	AssertPtrReturn(pcszPathDst, VERR_INVALID_POINTER);
90
91	int rc = dndTransferObjectInitInternal(pObj);
92	AssertRCReturn(rc, rc);
93
94	rc = DnDPathValidate(pcszPathDst, false /* Does not need to exist */);
95	AssertRCReturn(rc, rc);
96
97	char szPath[RTPATH_MAX + 1];
98
99	/* Save the index (in characters) where the first destination segment starts. */
100	if ( pcszPathSrcAbs
101	&& RTStrNLen(pcszPathSrcAbs, RTSTR_MAX))
102	{
103	rc = DnDPathValidate(pcszPathSrcAbs, false /* Does not need to exist */);
104	if (RT_FAILURE(rc))
105	return rc;
106
107	rc = RTStrCopy(szPath, sizeof(szPath), pcszPathSrcAbs);
108	if (RT_SUCCESS(rc))
109	rc = RTPathEnsureTrailingSeparator(szPath, sizeof(szPath)) == 0 ? VERR_BUFFER_OVERFLOW : VINF_SUCCESS;
110
111	/* Save the index (in characters) where the destination part starts. */
112	pObj->idxDst = (uint16_t)RTStrNLen(szPath, RTPATH_MAX);
113	AssertReturn(pObj->idxDst <= RTPATH_MAX, VERR_INVALID_PARAMETER);
114	}
115	else
116	{
117	szPath[0] = '\0'; /* Init empty string. */
118	pObj->idxDst = 0;
119	}
120
121	if (RT_FAILURE(rc))
122	return rc;
123
124	/* Append the destination part. */
125	rc = RTPathAppend(szPath, sizeof(szPath), pcszPathDst);
126	if ( RT_SUCCESS(rc)
127	&& enmType == DNDTRANSFEROBJTYPE_DIRECTORY)
128	rc = RTPathEnsureTrailingSeparator(szPath, sizeof(szPath)) == 0 ? VERR_BUFFER_OVERFLOW : VINF_SUCCESS;
129
130	if (RT_FAILURE(rc))
131	return rc;
132
133	pObj->pszPath = RTStrDup(szPath);
134	if (!pObj->pszPath)
135	return VERR_NO_MEMORY;
136
137	/* Convert paths into transport format. */
138	rc = DnDPathConvert(pObj->pszPath, strlen(pObj->pszPath), DNDPATHCONVERT_FLAGS_TRANSPORT);
139	if (RT_FAILURE(rc))
140	{
141	RTStrFree(pObj->pszPath);
142	pObj->pszPath = NULL;
143	return rc;
144	}
145
146	LogFlowFunc(("enmType=%RU32, pcszPathSrcAbs=%s, pcszPathDst=%s -> pszPath=%s\n",
147	enmType, pcszPathSrcAbs, pcszPathDst, pObj->pszPath));
148
149	pObj->enmType = enmType;
150
151	return VINF_SUCCESS;
152	}
153
154	/**
155	* Destroys a DnD transfer object.
156	*
157	* @param pObj DnD transfer object to destroy.
158	*/
159	void DnDTransferObjectDestroy(PDNDTRANSFEROBJECT pObj)
160	{
161	if (!pObj)
162	return;
163
164	DnDTransferObjectReset(pObj);
165	}
166
167	/**
168	* Closes the object's internal handles (to files / ...).
169	*
170	* @param pObj DnD transfer object to close internally.
171	*/
172	static void dndTransferObjectCloseInternal(PDNDTRANSFEROBJECT pObj)
173	{
174	AssertPtrReturnVoid(pObj);
175
176	int rc;
177
178	LogRel2(("DnD: Closing '%s'\n", pObj->pszPath));
179
180	switch (pObj->enmType)
181	{
182	case DNDTRANSFEROBJTYPE_FILE:
183	{
184	if (RTFileIsValid(pObj->u.File.hFile))
185	{
186	rc = RTFileClose(pObj->u.File.hFile);
187	if (RT_SUCCESS(rc))
188	{
189	pObj->u.File.hFile = NIL_RTFILE;
190	RT_ZERO(pObj->u.File.objInfo);
191	}
192	else
193	LogRel(("DnD: Closing file '%s' failed with %Rrc\n", pObj->pszPath, rc));
194	}
195	break;
196	}
197
198	case DNDTRANSFEROBJTYPE_DIRECTORY:
199	{
200	if (RTDirIsValid(pObj->u.Dir.hDir))
201	{
202	rc = RTDirClose(pObj->u.Dir.hDir);
203	if (RT_SUCCESS(rc))
204	{
205	pObj->u.Dir.hDir = NIL_RTDIR;
206	RT_ZERO(pObj->u.Dir.objInfo);
207	}
208	else
209	LogRel(("DnD: Closing directory '%s' failed with %Rrc\n", pObj->pszPath, rc));
210	}
211	break;
212	}
213
214	default:
215	break;
216	}
217
218	/** @todo Return rc. */
219	}
220
221	/**
222	* Closes the object.
223	* This also closes the internal handles associated with the object (to files / ...).
224	*
225	* @param pObj DnD transfer object to close.
226	*/
227	void DnDTransferObjectClose(PDNDTRANSFEROBJECT pObj)
228	{
229	AssertPtrReturnVoid(pObj);
230
231	dndTransferObjectCloseInternal(pObj);
232	}
233
234	/**
235	* Returns the absolute source path of the object.
236	*
237	* @return Absolute source path of the object.
238	* @param pObj DnD transfer object to get source path for.
239	*/
240	const char *DnDTransferObjectGetSourcePath(PDNDTRANSFEROBJECT pObj)
241	{
242	AssertPtrReturn(pObj, NULL);
243	return pObj->pszPath;
244	}
245
246	/**
247	* Returns the (relative) destination path of the object, in transport style.
248	*
249	* @return Relative destination path of the object, or NULL if not set.
250	* @param pObj DnD transfer object to get destination path for.
251	*/
252	const char *DnDTransferObjectGetDestPath(PDNDTRANSFEROBJECT pObj)
253	{
254	AssertPtrReturn(pObj, NULL);
255
256	if (!pObj->pszPath)
257	return NULL;
258
259	AssertReturn(strlen(pObj->pszPath) >= pObj->idxDst, NULL);
260
261	return &pObj->pszPath[pObj->idxDst];
262	}
263
264	/**
265	* Returns the (relative) destination path of the object, extended version.
266	*
267	* @return VBox status code, or VERR_NOT_FOUND if not initialized yet.
268	* @param pObj DnD transfer object to get destination path for.
269	* @param enmStyle Which path style to return.
270	* @param pszBuf Where to store the path.
271	* @param cbBuf Size (in bytes) where to store the path.
272	*/
273	int DnDTransferObjectGetDestPathEx(PDNDTRANSFEROBJECT pObj, DNDTRANSFEROBJPATHSTYLE enmStyle, char *pszBuf, size_t cbBuf)
274	{
275	AssertPtrReturn(pObj, VERR_INVALID_POINTER);
276	AssertPtrReturn(pszBuf, VERR_INVALID_POINTER);
277	AssertReturn(cbBuf, VERR_INVALID_PARAMETER);
278
279	if (!pObj->pszPath)
280	return VERR_NOT_FOUND;
281
282	AssertReturn(strlen(pObj->pszPath) >= pObj->idxDst, VERR_INTERNAL_ERROR);
283
284	int rc = RTStrCopy(pszBuf, cbBuf, &pObj->pszPath[pObj->idxDst]);
285	if ( RT_SUCCESS(rc)
286	&& enmStyle == DNDTRANSFEROBJPATHSTYLE_DOS)
287	rc = DnDPathConvert(pszBuf, cbBuf, DNDPATHCONVERT_FLAGS_TO_DOS);
288
289	return rc;
290	}
291
292	/**
293	* Returns the directory / file mode of the object.
294	*
295	* @return File / directory mode.
296	* @param pObj DnD transfer object to get directory / file mode for.
297	*/
298	RTFMODE DnDTransferObjectGetMode(PDNDTRANSFEROBJECT pObj)
299	{
300	AssertPtrReturn(pObj, 0);
301
302	switch (pObj->enmType)
303	{
304	case DNDTRANSFEROBJTYPE_FILE:
305	return pObj->u.File.objInfo.Attr.fMode;
306
307	case DNDTRANSFEROBJTYPE_DIRECTORY:
308	return pObj->u.Dir.objInfo.Attr.fMode;
309
310	default:
311	break;
312	}
313
314	return 0;
315	}
316
317	/**
318	* Returns the bytes already processed (read / written).
319	*
320	* Note: Only applies if the object is of type DnDTransferObjectType_File.
321	*
322	* @return Bytes already processed (read / written).
323	* @param pObj DnD transfer object to get processed bytes for.
324	*/
325	uint64_t DnDTransferObjectGetProcessed(PDNDTRANSFEROBJECT pObj)
326	{
327	if (pObj->enmType == DNDTRANSFEROBJTYPE_FILE)
328	return pObj->u.File.cbProcessed;
329
330	return 0;
331	}
332
333	/**
334	* Returns the file's logical size (in bytes).
335	*
336	* Note: Only applies if the object is of type DnDTransferObjectType_File.
337	*
338	* @return The file's logical size (in bytes).
339	* @param pObj DnD transfer object to get size for.
340	*/
341	uint64_t DnDTransferObjectGetSize(PDNDTRANSFEROBJECT pObj)
342	{
343	if (pObj->enmType == DNDTRANSFEROBJTYPE_FILE)
344	return pObj->u.File.cbToProcess;
345
346	return 0;
347	}
348
349	/**
350	* Returns the object's type.
351	*
352	* @return The object's type.
353	* @param pObj DnD transfer object to get type for.
354	*/
355	DNDTRANSFEROBJTYPE DnDTransferObjectGetType(PDNDTRANSFEROBJECT pObj)
356	{
357	return pObj->enmType;
358	}
359
360	/**
361	* Returns whether the processing of the object is complete or not.
362	* For file objects this means that all bytes have been processed.
363	*
364	* @return True if complete, False if not.
365	* @param pObj DnD transfer object to get completion status for.
366	*/
367	bool DnDTransferObjectIsComplete(PDNDTRANSFEROBJECT pObj)
368	{
369	bool fComplete;
370
371	switch (pObj->enmType)
372	{
373	case DNDTRANSFEROBJTYPE_FILE:
374	Assert(pObj->u.File.cbProcessed <= pObj->u.File.cbToProcess);
375	fComplete = pObj->u.File.cbProcessed == pObj->u.File.cbToProcess;
376	break;
377
378	case DNDTRANSFEROBJTYPE_DIRECTORY:
379	fComplete = true;
380	break;
381
382	default:
383	fComplete = true;
384	break;
385	}
386
387	return fComplete;
388	}
389
390	/**
391	* Returns whether the object is in an open state or not.
392	* @param pObj DnD transfer object to get open status for.
393	*/
394	bool DnDTransferObjectIsOpen(PDNDTRANSFEROBJECT pObj)
395	{
396	switch (pObj->enmType)
397	{
398	case DNDTRANSFEROBJTYPE_FILE: return RTFileIsValid(pObj->u.File.hFile);
399	case DNDTRANSFEROBJTYPE_DIRECTORY: return RTDirIsValid(pObj->u.Dir.hDir);
400	default: break;
401	}
402
403	return false;
404	}
405
406	/**
407	* Open the object with a specific file type, and, depending on the type, specifying additional parameters.
408	*
409	* @return IPRT status code.
410	* @param pObj DnD transfer object to open.
411	* @param fOpen Open mode to use; only valid for file objects.
412	* @param fMode File mode to set; only valid for file objects. Depends on fOpen and and can be 0.
413	* @param fFlags Additional DnD transfer object flags.
414	*/
415	int DnDTransferObjectOpen(PDNDTRANSFEROBJECT pObj, uint64_t fOpen, RTFMODE fMode, DNDTRANSFEROBJECTFLAGS fFlags)
416	{
417	AssertPtrReturn(pObj, VERR_INVALID_POINTER);
418	AssertReturn(fOpen, VERR_INVALID_FLAGS);
419	/* fMode is optional. */
420	AssertReturn(!(fFlags & ~DNDTRANSFEROBJECT_FLAGS_VALID_MASK), VERR_INVALID_FLAGS);
421	RT_NOREF1(fFlags);
422
423	int rc = VINF_SUCCESS;
424
425	LogFlowFunc(("pszPath=%s, fOpen=0x%x, fMode=0x%x, fFlags=0x%x\n", pObj->pszPath, fOpen, fMode, fFlags));
426
427	switch (pObj->enmType)
428	{
429	case DNDTRANSFEROBJTYPE_FILE:
430	{
431	LogRel2(("DnD: Opening file '%s'\n", pObj->pszPath));
432
433	/*
434	* Open files on the source with RTFILE_O_DENY_WRITE to prevent races
435	* where the OS writes to the file while the destination side transfers
436	* it over.
437	*/
438	rc = RTFileOpen(&pObj->u.File.hFile, pObj->pszPath, fOpen);
439	if (RT_SUCCESS(rc))
440	{
441	if ( (fOpen & RTFILE_O_WRITE) /* Only set the file mode on write. */
442	&& fMode /* Some file mode to set specified? */)
443	{
444	rc = RTFileSetMode(pObj->u.File.hFile, fMode);
445	if (RT_FAILURE(rc))
446	LogRel(("DnD: Setting mode %#x for file '%s' failed with %Rrc\n", fMode, pObj->pszPath, rc));
447	}
448	else if (fOpen & RTFILE_O_READ)
449	{
450	rc = dndTransferObjectQueryInfoInternal(pObj);
451	}
452	}
453	else
454	LogRel(("DnD: Opening file '%s' failed with %Rrc\n", pObj->pszPath, rc));
455
456	if (RT_SUCCESS(rc))
457	{
458	LogFlowFunc(("File cbObject=%RU64, fMode=0x%x\n",
459	pObj->u.File.objInfo.cbObject, pObj->u.File.objInfo.Attr.fMode));
460	pObj->u.File.cbToProcess = pObj->u.File.objInfo.cbObject;
461	pObj->u.File.cbProcessed = 0;
462	}
463
464	break;
465	}
466
467	case DNDTRANSFEROBJTYPE_DIRECTORY:
468	{
469	LogRel2(("DnD: Opening directory '%s'\n", pObj->pszPath));
470
471	rc = RTDirOpen(&pObj->u.Dir.hDir, pObj->pszPath);
472	if (RT_SUCCESS(rc))
473	{
474	rc = dndTransferObjectQueryInfoInternal(pObj);
475	}
476	else
477	LogRel(("DnD: Opening directory '%s' failed with %Rrc\n", pObj->pszPath, rc));
478	break;
479	}
480
481	default:
482	rc = VERR_NOT_IMPLEMENTED;
483	break;
484	}
485
486	LogFlowFuncLeaveRC(rc);
487	return rc;
488	}
489
490	/**
491	* Queries information about the object using a specific view, internal version.
492	*
493	* @return IPRT status code.
494	* @param pObj DnD transfer object to query info for.
495	*/
496	static int dndTransferObjectQueryInfoInternal(PDNDTRANSFEROBJECT pObj)
497	{
498	int rc;
499
500	switch (pObj->enmType)
501	{
502	case DNDTRANSFEROBJTYPE_FILE:
503	AssertMsgReturn(RTFileIsValid(pObj->u.File.hFile), ("Object has invalid file handle\n"), VERR_INVALID_STATE);
504	rc = RTFileQueryInfo(pObj->u.File.hFile, &pObj->u.File.objInfo, RTFSOBJATTRADD_NOTHING);
505	break;
506
507	case DNDTRANSFEROBJTYPE_DIRECTORY:
508	AssertMsgReturn(RTDirIsValid(pObj->u.Dir.hDir), ("Object has invalid directory handle\n"), VERR_INVALID_STATE);
509	rc = RTDirQueryInfo(pObj->u.Dir.hDir, &pObj->u.Dir.objInfo, RTFSOBJATTRADD_NOTHING);
510	break;
511
512	default:
513	rc = VERR_NOT_IMPLEMENTED;
514	break;
515	}
516
517	if (RT_FAILURE(rc))
518	LogRel(("DnD: Querying information for '%s' failed with %Rrc\n", pObj->pszPath, rc));
519
520	return rc;
521	}
522
523	/**
524	* Queries information about the object using a specific view.
525	*
526	* @return IPRT status code.
527	* @param pObj DnD transfer object to query info for.
528	*/
529	int DnDTransferObjectQueryInfo(PDNDTRANSFEROBJECT pObj)
530	{
531	AssertPtrReturn(pObj, VERR_INVALID_POINTER);
532	return dndTransferObjectQueryInfoInternal(pObj);
533	}
534
535	/**
536	* Reads data from the object. Only applies to files objects.
537	*
538	* @return IPRT status code.
539	* @param pObj DnD transfer object to read data from.
540	* @param pvBuf Buffer where to store the read data.
541	* @param cbBuf Size (in bytes) of the buffer.
542	* @param pcbRead Pointer where to store how many bytes were read. Optional.
543	*/
544	int DnDTransferObjectRead(PDNDTRANSFEROBJECT pObj, void pvBuf, size_t cbBuf, uint32_t pcbRead)
545	{
546	AssertPtrReturn(pObj, VERR_INVALID_POINTER);
547	AssertPtrReturn(pvBuf, VERR_INVALID_POINTER);
548	AssertReturn(cbBuf, VERR_INVALID_PARAMETER);
549	/* pcbRead is optional. */
550
551	size_t cbRead = 0;
552
553	int rc;
554	switch (pObj->enmType)
555	{
556	case DNDTRANSFEROBJTYPE_FILE:
557	{
558	rc = RTFileRead(pObj->u.File.hFile, pvBuf, cbBuf, &cbRead);
559	if (RT_SUCCESS(rc))
560	{
561	pObj->u.File.cbProcessed += cbRead;
562	Assert(pObj->u.File.cbProcessed <= pObj->u.File.cbToProcess);
563
564	/* End of file reached or error occurred? */
565	if ( pObj->u.File.cbToProcess
566	&& pObj->u.File.cbProcessed == pObj->u.File.cbToProcess)
567	{
568	rc = VINF_EOF;
569	}
570	}
571	else
572	LogRel(("DnD: Reading from file '%s' failed with %Rrc\n", pObj->pszPath, rc));
573	break;
574	}
575
576	case DNDTRANSFEROBJTYPE_DIRECTORY:
577	{
578	rc = VINF_SUCCESS;
579	break;
580	}
581
582	default:
583	rc = VERR_NOT_IMPLEMENTED;
584	break;
585	}
586
587	if (RT_SUCCESS(rc))
588	{
589	if (pcbRead)
590	*pcbRead = (uint32_t)cbRead;
591	}
592
593	LogFlowFunc(("Returning cbRead=%zu, rc=%Rrc\n", cbRead, rc));
594	return rc;
595	}
596
597	/**
598	* Resets the object's state and closes all related handles.
599	*
600	* @param pObj DnD transfer object to reset.
601	*/
602	void DnDTransferObjectReset(PDNDTRANSFEROBJECT pObj)
603	{
604	AssertPtrReturnVoid(pObj);
605
606	LogFlowFuncEnter();
607
608	dndTransferObjectCloseInternal(pObj);
609
610	pObj->enmType = DNDTRANSFEROBJTYPE_UNKNOWN;
611	pObj->idxDst = 0;
612
613	RTStrFree(pObj->pszPath);
614	pObj->pszPath = NULL;
615
616	RT_ZERO(pObj->u);
617	}
618
619	/**
620	* Sets the bytes to process by the object.
621	*
622	* Note: Only applies if the object is of type DnDTransferObjectType_File.
623	*
624	* @return IPRT return code.
625	* @param pObj DnD transfer object to set size for.
626	* @param cbSize Size (in bytes) to process.
627	*/
628	int DnDTransferObjectSetSize(PDNDTRANSFEROBJECT pObj, uint64_t cbSize)
629	{
630	AssertPtrReturn(pObj, VERR_INVALID_POINTER);
631	AssertReturn(pObj->enmType == DNDTRANSFEROBJTYPE_FILE, VERR_INVALID_PARAMETER);
632
633	/** @todo Implement sparse file support here. */
634
635	pObj->u.File.cbToProcess = cbSize;
636	return VINF_SUCCESS;
637	}
638
639	/**
640	* Writes data to an object. Only applies to file objects.
641	*
642	* @return IPRT status code.
643	* @param pObj DnD transfer object to write to.
644	* @param pvBuf Buffer of data to write.
645	* @param cbBuf Size (in bytes) of data to write.
646	* @param pcbWritten Pointer where to store how many bytes were written. Optional.
647	*/
648	int DnDTransferObjectWrite(PDNDTRANSFEROBJECT pObj, const void pvBuf, size_t cbBuf, uint32_t pcbWritten)
649	{
650	AssertPtrReturn(pObj, VERR_INVALID_POINTER);
651	AssertPtrReturn(pvBuf, VERR_INVALID_POINTER);
652	AssertReturn(cbBuf, VERR_INVALID_PARAMETER);
653	/* pcbWritten is optional. */
654
655	size_t cbWritten = 0;
656
657	int rc;
658	switch (pObj->enmType)
659	{
660	case DNDTRANSFEROBJTYPE_FILE:
661	{
662	rc = RTFileWrite(pObj->u.File.hFile, pvBuf, cbBuf, &cbWritten);
663	if (RT_SUCCESS(rc))
664	{
665	pObj->u.File.cbProcessed += cbWritten;
666	}
667	else
668	LogRel(("DnD: Writing to file '%s' failed with %Rrc\n", pObj->pszPath, rc));
669	break;
670	}
671
672	case DNDTRANSFEROBJTYPE_DIRECTORY:
673	{
674	rc = VINF_SUCCESS;
675	break;
676	}
677
678	default:
679	rc = VERR_NOT_IMPLEMENTED;
680	break;
681	}
682
683	if (RT_SUCCESS(rc))
684	{
685	if (pcbWritten)
686	*pcbWritten = (uint32_t)cbWritten;
687	}
688
689	LogFlowFunc(("Returning cbWritten=%zu, rc=%Rrc\n", cbWritten, rc));
690	return rc;
691	}
692

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source: vbox/trunk/src/VBox/GuestHost/DragAndDrop/DnDTransferObject.cpp@ 86728

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