VBoxManageSnapshot.cpp@ 56927

Last change on this file since 56927 was 56118, checked in by vboxsync, 10 years ago
VBoxManage: A quick command handler return-code cleanup that turned out to be rather tedious.
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1	/* $Id: VBoxManageSnapshot.cpp 56118 2015-05-27 19:49:50Z vboxsync $ */
2	/** @file
3	* VBoxManage - The 'snapshot' command.
4	*/
5
6	/*
7	* Copyright (C) 2006-2015 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	* Header Files *
20	*******************************************************************************/
21	#include <VBox/com/com.h>
22	#include <VBox/com/string.h>
23	#include <VBox/com/array.h>
24	#include <VBox/com/ErrorInfo.h>
25	#include <VBox/com/errorprint.h>
26
27	#include <VBox/com/VirtualBox.h>
28
29	#include <iprt/stream.h>
30	#include <iprt/getopt.h>
31	#include <iprt/time.h>
32
33	#include "VBoxManage.h"
34	using namespace com;
35
36	/**
37	* Helper function used with "VBoxManage snapshot ... dump". Gets called to find the
38	* snapshot in the machine's snapshot tree that uses a particular diff image child of
39	* a medium.
40	* Horribly inefficient since we keep re-querying the snapshots tree for each image,
41	* but this is for quick debugging only.
42	* @param pMedium
43	* @param pThisSnapshot
44	* @param pCurrentSnapshot
45	* @param uMediumLevel
46	* @param uSnapshotLevel
47	* @return
48	*/
49	bool FindAndPrintSnapshotUsingMedium(ComPtr<IMedium> &pMedium,
50	ComPtr<ISnapshot> &pThisSnapshot,
51	ComPtr<ISnapshot> &pCurrentSnapshot,
52	uint32_t uMediumLevel,
53	uint32_t uSnapshotLevel)
54	{
55	HRESULT rc;
56
57	do
58	{
59	// get snapshot machine so we can figure out which diff image this created
60	ComPtr<IMachine> pSnapshotMachine;
61	CHECK_ERROR_BREAK(pThisSnapshot, COMGETTER(Machine)(pSnapshotMachine.asOutParam()));
62
63	// get media attachments
64	SafeIfaceArray<IMediumAttachment> aAttachments;
65	CHECK_ERROR_BREAK(pSnapshotMachine, COMGETTER(MediumAttachments)(ComSafeArrayAsOutParam(aAttachments)));
66
67	for (uint32_t i = 0;
68	i < aAttachments.size();
69	++i)
70	{
71	ComPtr<IMediumAttachment> pAttach(aAttachments[i]);
72	DeviceType_T type;
73	CHECK_ERROR_BREAK(pAttach, COMGETTER(Type)(&type));
74	if (type == DeviceType_HardDisk)
75	{
76	ComPtr<IMedium> pMediumInSnapshot;
77	CHECK_ERROR_BREAK(pAttach, COMGETTER(Medium)(pMediumInSnapshot.asOutParam()));
78
79	if (pMediumInSnapshot == pMedium)
80	{
81	// get snapshot name
82	Bstr bstrSnapshotName;
83	CHECK_ERROR_BREAK(pThisSnapshot, COMGETTER(Name)(bstrSnapshotName.asOutParam()));
84
85	RTPrintf("%*s \"%ls\"%s\n",
86	50 + uSnapshotLevel * 2, "", // indent
87	bstrSnapshotName.raw(),
88	(pThisSnapshot == pCurrentSnapshot) ? " (CURSNAP)" : "");
89	return true; // found
90	}
91	}
92	}
93
94	// not found: then recurse into child snapshots
95	SafeIfaceArray<ISnapshot> aSnapshots;
96	CHECK_ERROR_BREAK(pThisSnapshot, COMGETTER(Children)(ComSafeArrayAsOutParam(aSnapshots)));
97
98	for (uint32_t i = 0;
99	i < aSnapshots.size();
100	++i)
101	{
102	ComPtr<ISnapshot> pChild(aSnapshots[i]);
103	if (FindAndPrintSnapshotUsingMedium(pMedium,
104	pChild,
105	pCurrentSnapshot,
106	uMediumLevel,
107	uSnapshotLevel + 1))
108	// found:
109	break;
110	}
111	} while (0);
112
113	return false;
114	}
115
116	/**
117	* Helper function used with "VBoxManage snapshot ... dump". Called from DumpSnapshot()
118	* for each hard disk attachment found in a virtual machine. This then writes out the
119	* root (base) medium for that hard disk attachment and recurses into the children
120	* tree of that medium, correlating it with the snapshots of the machine.
121	* @param pCurrentStateMedium constant, the medium listed in the current machine data (latest diff image).
122	* @param pMedium variant, initially the base medium, then a child of the base medium when recursing.
123	* @param pRootSnapshot constant, the root snapshot of the machine, if any; this then looks into the child snapshots.
124	* @param pCurrentSnapshot constant, the machine's current snapshot (so we can mark it in the output).
125	* @param uLevel variant, the recursion level for output indentation.
126	*/
127	void DumpMediumWithChildren(ComPtr<IMedium> &pCurrentStateMedium,
128	ComPtr<IMedium> &pMedium,
129	ComPtr<ISnapshot> &pRootSnapshot,
130	ComPtr<ISnapshot> &pCurrentSnapshot,
131	uint32_t uLevel)
132	{
133	HRESULT rc;
134	do
135	{
136	// print this medium
137	Bstr bstrMediumName;
138	CHECK_ERROR_BREAK(pMedium, COMGETTER(Name)(bstrMediumName.asOutParam()));
139	RTPrintf("%*s \"%ls\"%s\n",
140	uLevel * 2, "", // indent
141	bstrMediumName.raw(),
142	(pCurrentStateMedium == pMedium) ? " (CURSTATE)" : "");
143
144	// find and print the snapshot that uses this particular medium (diff image)
145	FindAndPrintSnapshotUsingMedium(pMedium, pRootSnapshot, pCurrentSnapshot, uLevel, 0);
146
147	// recurse into children
148	SafeIfaceArray<IMedium> aChildren;
149	CHECK_ERROR_BREAK(pMedium, COMGETTER(Children)(ComSafeArrayAsOutParam(aChildren)));
150	for (uint32_t i = 0;
151	i < aChildren.size();
152	++i)
153	{
154	ComPtr<IMedium> pChild(aChildren[i]);
155	DumpMediumWithChildren(pCurrentStateMedium, pChild, pRootSnapshot, pCurrentSnapshot, uLevel + 1);
156	}
157	} while (0);
158	}
159
160
161	/**
162	* Handles the 'snapshot myvm list' sub-command.
163	* @returns Exit code.
164	* @param pArgs The handler argument package.
165	* @param pMachine Reference to the VM (locked) we're operating on.
166	*/
167	static RTEXITCODE handleSnapshotList(HandlerArg *pArgs, ComPtr<IMachine> &pMachine)
168	{
169	static const RTGETOPTDEF g_aOptions[] =
170	{
171	{ "--details", 'D', RTGETOPT_REQ_NOTHING },
172	{ "--machinereadable", 'M', RTGETOPT_REQ_NOTHING },
173	};
174
175	VMINFO_DETAILS enmDetails = VMINFO_STANDARD;
176
177	int c;
178	RTGETOPTUNION ValueUnion;
179	RTGETOPTSTATE GetState;
180	RTGetOptInit(&GetState, pArgs->argc, pArgs->argv, g_aOptions, RT_ELEMENTS(g_aOptions), 2 /iArg/, 0 /fFlags/);
181	while ((c = RTGetOpt(&GetState, &ValueUnion)))
182	{
183	switch (c)
184	{
185	case 'D': enmDetails = VMINFO_FULL; break;
186	case 'M': enmDetails = VMINFO_MACHINEREADABLE; break;
187	default: return errorGetOpt(USAGE_SNAPSHOT, c, &ValueUnion);
188	}
189	}
190
191	ComPtr<ISnapshot> pSnapshot;
192	HRESULT hrc = pMachine->FindSnapshot(Bstr().raw(), pSnapshot.asOutParam());
193	if (FAILED(hrc))
194	{
195	RTPrintf("This machine does not have any snapshots\n");
196	return RTEXITCODE_FAILURE;
197	}
198	if (pSnapshot)
199	{
200	ComPtr<ISnapshot> pCurrentSnapshot;
201	CHECK_ERROR2I_RET(pMachine, COMGETTER(CurrentSnapshot)(pCurrentSnapshot.asOutParam()), RTEXITCODE_FAILURE);
202	hrc = showSnapshots(pSnapshot, pCurrentSnapshot, enmDetails);
203	if (FAILED(hrc))
204	return RTEXITCODE_FAILURE;
205	}
206	return RTEXITCODE_SUCCESS;
207	}
208
209	/**
210	* Implementation for "VBoxManage snapshot ... dump". This goes thru the machine's
211	* medium attachments and calls DumpMediumWithChildren() for each hard disk medium found,
212	* which then dumps the parent/child tree of that medium together with the corresponding
213	* snapshots.
214	* @param pMachine Machine to dump snapshots for.
215	*/
216	void DumpSnapshot(ComPtr<IMachine> &pMachine)
217	{
218	HRESULT rc;
219
220	do
221	{
222	// get root snapshot
223	ComPtr<ISnapshot> pSnapshot;
224	CHECK_ERROR_BREAK(pMachine, FindSnapshot(Bstr("").raw(), pSnapshot.asOutParam()));
225
226	// get current snapshot
227	ComPtr<ISnapshot> pCurrentSnapshot;
228	CHECK_ERROR_BREAK(pMachine, COMGETTER(CurrentSnapshot)(pCurrentSnapshot.asOutParam()));
229
230	// get media attachments
231	SafeIfaceArray<IMediumAttachment> aAttachments;
232	CHECK_ERROR_BREAK(pMachine, COMGETTER(MediumAttachments)(ComSafeArrayAsOutParam(aAttachments)));
233	for (uint32_t i = 0;
234	i < aAttachments.size();
235	++i)
236	{
237	ComPtr<IMediumAttachment> pAttach(aAttachments[i]);
238	DeviceType_T type;
239	CHECK_ERROR_BREAK(pAttach, COMGETTER(Type)(&type));
240	if (type == DeviceType_HardDisk)
241	{
242	ComPtr<IMedium> pCurrentStateMedium;
243	CHECK_ERROR_BREAK(pAttach, COMGETTER(Medium)(pCurrentStateMedium.asOutParam()));
244
245	ComPtr<IMedium> pBaseMedium;
246	CHECK_ERROR_BREAK(pCurrentStateMedium, COMGETTER(Base)(pBaseMedium.asOutParam()));
247
248	Bstr bstrBaseMediumName;
249	CHECK_ERROR_BREAK(pBaseMedium, COMGETTER(Name)(bstrBaseMediumName.asOutParam()));
250
251	RTPrintf("[%RI32] Images and snapshots for medium \"%ls\"\n", i, bstrBaseMediumName.raw());
252
253	DumpMediumWithChildren(pCurrentStateMedium,
254	pBaseMedium,
255	pSnapshot,
256	pCurrentSnapshot,
257	0);
258	}
259	}
260	} while (0);
261	}
262
263	typedef enum SnapshotUniqueFlags
264	{
265	SnapshotUniqueFlags_Null = 0,
266	SnapshotUniqueFlags_Number = RT_BIT(1),
267	SnapshotUniqueFlags_Timestamp = RT_BIT(2),
268	SnapshotUniqueFlags_Space = RT_BIT(16),
269	SnapshotUniqueFlags_Force = RT_BIT(30)
270	} SnapshotUniqueFlags;
271
272	static int parseSnapshotUniqueFlags(const char psz, SnapshotUniqueFlags pUnique)
273	{
274	int rc = VINF_SUCCESS;
275	unsigned uUnique = 0;
276	while (psz && *psz && RT_SUCCESS(rc))
277	{
278	size_t len;
279	const char *pszComma = strchr(psz, ',');
280	if (pszComma)
281	len = pszComma - psz;
282	else
283	len = strlen(psz);
284	if (len > 0)
285	{
286	if (!RTStrNICmp(psz, "number", len))
287	uUnique \|= SnapshotUniqueFlags_Number;
288	else if (!RTStrNICmp(psz, "timestamp", len))
289	uUnique \|= SnapshotUniqueFlags_Timestamp;
290	else if (!RTStrNICmp(psz, "space", len))
291	uUnique \|= SnapshotUniqueFlags_Space;
292	else if (!RTStrNICmp(psz, "force", len))
293	uUnique \|= SnapshotUniqueFlags_Force;
294	else
295	rc = VERR_PARSE_ERROR;
296	}
297	if (pszComma)
298	psz += len + 1;
299	else
300	psz += len;
301	}
302
303	if (RT_SUCCESS(rc))
304	*pUnique = (SnapshotUniqueFlags)uUnique;
305	return rc;
306	}
307
308	/**
309	* Implementation for all VBoxManage snapshot ... subcommands.
310	* @param a
311	* @return
312	*/
313	RTEXITCODE handleSnapshot(HandlerArg *a)
314	{
315	HRESULT rc;
316
317	/* we need at least a VM and a command */
318	if (a->argc < 2)
319	return errorSyntax(USAGE_SNAPSHOT, "Not enough parameters");
320
321	/* the first argument must be the VM */
322	Bstr bstrMachine(a->argv[0]);
323	ComPtr<IMachine> pMachine;
324	CHECK_ERROR(a->virtualBox, FindMachine(bstrMachine.raw(),
325	pMachine.asOutParam()));
326	if (!pMachine)
327	return RTEXITCODE_FAILURE;
328
329	/* we have to open a session for this task (new or shared) */
330	CHECK_ERROR_RET(pMachine, LockMachine(a->session, LockType_Shared), RTEXITCODE_FAILURE);
331	do
332	{
333	/* replace the (read-only) IMachine object by a writable one */
334	ComPtr<IMachine> sessionMachine;
335	CHECK_ERROR_BREAK(a->session, COMGETTER(Machine)(sessionMachine.asOutParam()));
336
337	/* switch based on the command */
338	bool fDelete = false,
339	fRestore = false,
340	fRestoreCurrent = false;
341
342	if (!strcmp(a->argv[1], "take"))
343	{
344	/* there must be a name */
345	if (a->argc < 3)
346	{
347	errorSyntax(USAGE_SNAPSHOT, "Missing snapshot name");
348	rc = E_FAIL;
349	break;
350	}
351	Bstr name(a->argv[2]);
352
353	/* parse the optional arguments */
354	Bstr desc;
355	bool fPause = true; /* default is NO live snapshot */
356	SnapshotUniqueFlags enmUnique = SnapshotUniqueFlags_Null;
357	static const RTGETOPTDEF s_aTakeOptions[] =
358	{
359	{ "--description", 'd', RTGETOPT_REQ_STRING },
360	{ "-description", 'd', RTGETOPT_REQ_STRING },
361	{ "-desc", 'd', RTGETOPT_REQ_STRING },
362	{ "--pause", 'p', RTGETOPT_REQ_NOTHING },
363	{ "--live", 'l', RTGETOPT_REQ_NOTHING },
364	{ "--uniquename", 'u', RTGETOPT_REQ_STRING }
365	};
366	RTGETOPTSTATE GetOptState;
367	RTGetOptInit(&GetOptState, a->argc, a->argv, s_aTakeOptions, RT_ELEMENTS(s_aTakeOptions),
368	3, RTGETOPTINIT_FLAGS_NO_STD_OPTS);
369	int ch;
370	RTGETOPTUNION Value;
371	int vrc;
372	while ( SUCCEEDED(rc)
373	&& (ch = RTGetOpt(&GetOptState, &Value)))
374	{
375	switch (ch)
376	{
377	case 'p':
378	fPause = true;
379	break;
380
381	case 'l':
382	fPause = false;
383	break;
384
385	case 'd':
386	desc = Value.psz;
387	break;
388
389	case 'u':
390	vrc = parseSnapshotUniqueFlags(Value.psz, &enmUnique);
391	if (RT_FAILURE(vrc))
392	return errorArgument("Invalid unique name description '%s'", Value.psz);
393	break;
394
395	default:
396	errorGetOpt(USAGE_SNAPSHOT, ch, &Value);
397	rc = E_FAIL;
398	break;
399	}
400	}
401	if (FAILED(rc))
402	break;
403
404	if (enmUnique & (SnapshotUniqueFlags_Number \| SnapshotUniqueFlags_Timestamp))
405	{
406	ComPtr<ISnapshot> pSnapshot;
407	rc = sessionMachine->FindSnapshot(name.raw(),
408	pSnapshot.asOutParam());
409	if (SUCCEEDED(rc) \|\| (enmUnique & SnapshotUniqueFlags_Force))
410	{
411	/* there is a duplicate, need to create a unique name */
412	uint32_t count = 0;
413	RTTIMESPEC now;
414
415	if (enmUnique & SnapshotUniqueFlags_Number)
416	{
417	if (enmUnique & SnapshotUniqueFlags_Force)
418	count = 1;
419	else
420	count = 2;
421	}
422	else
423	RTTimeNow(&now);
424
425	while (count < 500)
426	{
427	Utf8Str suffix;
428	if (enmUnique & SnapshotUniqueFlags_Number)
429	suffix = Utf8StrFmt("%u", count);
430	else
431	{
432	RTTIMESPEC nowplus = now;
433	RTTimeSpecAddSeconds(&nowplus, count);
434	RTTIME stamp;
435	RTTimeExplode(&stamp, &nowplus);
436	suffix = Utf8StrFmt("%04u-%02u-%02uT%02u:%02u:%02uZ", stamp.i32Year, stamp.u8Month, stamp.u8MonthDay, stamp.u8Hour, stamp.u8Minute, stamp.u8Second);
437	}
438	Bstr tryName = name;
439	if (enmUnique & SnapshotUniqueFlags_Space)
440	tryName = BstrFmt("%ls %s", name.raw(), suffix.c_str());
441	else
442	tryName = BstrFmt("%ls%s", name.raw(), suffix.c_str());
443	count++;
444	rc = sessionMachine->FindSnapshot(tryName.raw(),
445	pSnapshot.asOutParam());
446	if (FAILED(rc))
447	{
448	name = tryName;
449	break;
450	}
451	}
452	if (SUCCEEDED(rc))
453	{
454	errorArgument("Failed to generate a unique snapshot name");
455	rc = E_FAIL;
456	break;
457	}
458	}
459	rc = S_OK;
460	}
461
462	ComPtr<IProgress> progress;
463	Bstr snapId;
464	CHECK_ERROR_BREAK(sessionMachine, TakeSnapshot(name.raw(), desc.raw(),
465	fPause, snapId.asOutParam(),
466	progress.asOutParam()));
467
468	rc = showProgress(progress);
469	if (SUCCEEDED(rc))
470	RTPrintf("Snapshot taken. UUID: %ls\n", snapId.raw());
471	else
472	CHECK_PROGRESS_ERROR(progress, ("Failed to take snapshot"));
473	}
474	else if ( (fDelete = !strcmp(a->argv[1], "delete"))
475	\|\| (fRestore = !strcmp(a->argv[1], "restore"))
476	\|\| (fRestoreCurrent = !strcmp(a->argv[1], "restorecurrent"))
477	)
478	{
479	if (fRestoreCurrent)
480	{
481	if (a->argc > 2)
482	{
483	errorSyntax(USAGE_SNAPSHOT, "Too many arguments");
484	rc = E_FAIL;
485	break;
486	}
487	}
488	/* exactly one parameter: snapshot name */
489	else if (a->argc != 3)
490	{
491	errorSyntax(USAGE_SNAPSHOT, "Expecting snapshot name only");
492	rc = E_FAIL;
493	break;
494	}
495
496	ComPtr<ISnapshot> pSnapshot;
497	ComPtr<IProgress> pProgress;
498	Bstr bstrSnapGuid;
499
500	if (fRestoreCurrent)
501	{
502	CHECK_ERROR_BREAK(sessionMachine, COMGETTER(CurrentSnapshot)(pSnapshot.asOutParam()));
503	}
504	else
505	{
506	// restore or delete snapshot: then resolve cmd line argument to snapshot instance
507	CHECK_ERROR_BREAK(sessionMachine, FindSnapshot(Bstr(a->argv[2]).raw(),
508	pSnapshot.asOutParam()));
509	}
510
511	CHECK_ERROR_BREAK(pSnapshot, COMGETTER(Id)(bstrSnapGuid.asOutParam()));
512
513	if (fDelete)
514	{
515	CHECK_ERROR_BREAK(sessionMachine, DeleteSnapshot(bstrSnapGuid.raw(),
516	pProgress.asOutParam()));
517	}
518	else
519	{
520	// restore or restore current
521	RTPrintf("Restoring snapshot %ls\n", bstrSnapGuid.raw());
522	CHECK_ERROR_BREAK(sessionMachine, RestoreSnapshot(pSnapshot, pProgress.asOutParam()));
523	}
524
525	rc = showProgress(pProgress);
526	CHECK_PROGRESS_ERROR(pProgress, ("Snapshot operation failed"));
527	}
528	else if (!strcmp(a->argv[1], "edit"))
529	{
530	if (a->argc < 3)
531	{
532	errorSyntax(USAGE_SNAPSHOT, "Missing snapshot name");
533	rc = E_FAIL;
534	break;
535	}
536
537	ComPtr<ISnapshot> pSnapshot;
538
539	if ( !strcmp(a->argv[2], "--current")
540	\|\| !strcmp(a->argv[2], "-current"))
541	{
542	CHECK_ERROR_BREAK(sessionMachine, COMGETTER(CurrentSnapshot)(pSnapshot.asOutParam()));
543	}
544	else
545	{
546	CHECK_ERROR_BREAK(sessionMachine, FindSnapshot(Bstr(a->argv[2]).raw(),
547	pSnapshot.asOutParam()));
548	}
549
550	/* parse options */
551	for (int i = 3; i < a->argc; i++)
552	{
553	if ( !strcmp(a->argv[i], "--name")
554	\|\| !strcmp(a->argv[i], "-name")
555	\|\| !strcmp(a->argv[i], "-newname"))
556	{
557	if (a->argc <= i + 1)
558	{
559	errorArgument("Missing argument to '%s'", a->argv[i]);
560	rc = E_FAIL;
561	break;
562	}
563	i++;
564	pSnapshot->COMSETTER(Name)(Bstr(a->argv[i]).raw());
565	}
566	else if ( !strcmp(a->argv[i], "--description")
567	\|\| !strcmp(a->argv[i], "-description")
568	\|\| !strcmp(a->argv[i], "-newdesc"))
569	{
570	if (a->argc <= i + 1)
571	{
572	errorArgument("Missing argument to '%s'", a->argv[i]);
573	rc = E_FAIL;
574	break;
575	}
576	i++;
577	pSnapshot->COMSETTER(Description)(Bstr(a->argv[i]).raw());
578	}
579	else
580	{
581	errorSyntax(USAGE_SNAPSHOT, "Invalid parameter '%s'", Utf8Str(a->argv[i]).c_str());
582	rc = E_FAIL;
583	break;
584	}
585	}
586
587	}
588	else if (!strcmp(a->argv[1], "showvminfo"))
589	{
590	/* exactly one parameter: snapshot name */
591	if (a->argc != 3)
592	{
593	errorSyntax(USAGE_SNAPSHOT, "Expecting snapshot name only");
594	rc = E_FAIL;
595	break;
596	}
597
598	ComPtr<ISnapshot> pSnapshot;
599
600	CHECK_ERROR_BREAK(sessionMachine, FindSnapshot(Bstr(a->argv[2]).raw(),
601	pSnapshot.asOutParam()));
602
603	/* get the machine of the given snapshot */
604	ComPtr<IMachine> pMachine2;
605	pSnapshot->COMGETTER(Machine)(pMachine2.asOutParam());
606	showVMInfo(a->virtualBox, pMachine2, NULL, VMINFO_NONE);
607	}
608	else if (!strcmp(a->argv[1], "list"))
609	rc = handleSnapshotList(a, sessionMachine) == RTEXITCODE_SUCCESS ? S_OK : E_FAIL;
610	else if (!strcmp(a->argv[1], "dump")) // undocumented parameter to debug snapshot info
611	DumpSnapshot(sessionMachine);
612	else
613	{
614	errorSyntax(USAGE_SNAPSHOT, "Invalid parameter '%s'", Utf8Str(a->argv[1]).c_str());
615	rc = E_FAIL;
616	}
617	} while (0);
618
619	a->session->UnlockMachine();
620
621	return SUCCEEDED(rc) ? RTEXITCODE_SUCCESS : RTEXITCODE_FAILURE;
622	}
623

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source: vbox/trunk/src/VBox/Frontends/VBoxManage/VBoxManageSnapshot.cpp@ 56927

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