MachineImplMoveVM.cpp@ 86186

Last change on this file since 86186 was 85217, checked in by vboxsync, 4 years ago
Main/MachineImplMoveVM.cpp: Two FAILED/RT_FAILURE mixups. One sign problem. bugref:9790
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1	/* $Id: MachineImplMoveVM.cpp 85217 2020-07-11 13:56:26Z vboxsync $ */
2	/** @file
3	* Implementation of MachineMoveVM
4	*/
5
6	/*
7	* Copyright (C) 2011-2020 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_MACHINE
19	#include <iprt/fs.h>
20	#include <iprt/dir.h>
21	#include <iprt/file.h>
22	#include <iprt/path.h>
23	#include <iprt/cpp/utils.h>
24	#include <iprt/stream.h>
25	#include <VBox/com/ErrorInfo.h>
26
27	#include "MachineImplMoveVM.h"
28	#include "MediumFormatImpl.h"
29	#include "VirtualBoxImpl.h"
30	#include "LoggingNew.h"
31
32	typedef std::multimap<Utf8Str, Utf8Str> list_t;
33	typedef std::multimap<Utf8Str, Utf8Str>::const_iterator cit_t;
34	typedef std::multimap<Utf8Str, Utf8Str>::iterator it_t;
35	typedef std::pair <std::multimap<Utf8Str, Utf8Str>::iterator, std::multimap<Utf8Str, Utf8Str>::iterator> rangeRes_t;
36
37	struct fileList_t
38	{
39	HRESULT add(const Utf8Str &folder, const Utf8Str &file)
40	{
41	HRESULT rc = S_OK;
42	m_list.insert(std::make_pair(folder, file));
43	return rc;
44	}
45
46	HRESULT add(const Utf8Str &fullPath)
47	{
48	HRESULT rc = S_OK;
49	Utf8Str folder = fullPath;
50	folder.stripFilename();
51	Utf8Str filename = fullPath;
52	filename.stripPath();
53	m_list.insert(std::make_pair(folder, filename));
54	return rc;
55	}
56
57	HRESULT removeFileFromList(const Utf8Str &fullPath)
58	{
59	HRESULT rc = S_OK;
60	Utf8Str folder = fullPath;
61	folder.stripFilename();
62	Utf8Str filename = fullPath;
63	filename.stripPath();
64	rangeRes_t res = m_list.equal_range(folder);
65	for (it_t it=res.first; it!=res.second;)
66	{
67	if (it->second.equals(filename))
68	{
69	it_t it2 = it;
70	++it;
71	m_list.erase(it2);
72	}
73	else
74	++it;
75	}
76
77	return rc;
78	}
79
80	HRESULT removeFileFromList(const Utf8Str &path, const Utf8Str &fileName)
81	{
82	HRESULT rc = S_OK;
83	rangeRes_t res = m_list.equal_range(path);
84	for (it_t it=res.first; it!=res.second;)
85	{
86	if (it->second.equals(fileName))
87	{
88	it_t it2 = it;
89	++it;
90	m_list.erase(it2);
91	}
92	else
93	++it;
94	}
95	return rc;
96	}
97
98	HRESULT removeFolderFromList(const Utf8Str &path)
99	{
100	HRESULT rc = S_OK;
101	m_list.erase(path);
102	return rc;
103	}
104
105	rangeRes_t getFilesInRange(const Utf8Str &path)
106	{
107	rangeRes_t res;
108	res = m_list.equal_range(path);
109	return res;
110	}
111
112	std::list<Utf8Str> getFilesInList(const Utf8Str &path)
113	{
114	std::list<Utf8Str> list_;
115	rangeRes_t res = m_list.equal_range(path);
116	for (it_t it=res.first; it!=res.second; ++it)
117	list_.push_back(it->second);
118	return list_;
119	}
120
121
122	list_t m_list;
123
124	};
125
126
127	HRESULT MachineMoveVM::init()
128	{
129	HRESULT hrc = S_OK;
130
131	Utf8Str strTargetFolder;
132	/* adding a trailing slash if it's needed */
133	{
134	size_t len = m_targetPath.length() + 2;
135	if (len >= RTPATH_MAX)
136	return m_pMachine->setError(VBOX_E_IPRT_ERROR, m_pMachine->tr("The destination path exceeds the maximum value."));
137
138	/** @todo r=bird: I need to add a Utf8Str method or iprt/cxx/path.h thingy
139	* for doing this. We need this often and code like this doesn't
140	* need to be repeated and re-optimized in each instance... */
141	char *path = new char [len];
142	RTStrCopy(path, len, m_targetPath.c_str());
143	RTPathEnsureTrailingSeparator(path, len);
144	strTargetFolder = m_targetPath = path;
145	delete[] path;
146	}
147
148	/*
149	* We have a mode which user is able to request
150	* basic mode:
151	* - The images which are solely attached to the VM
152	* and located in the original VM folder will be moved.
153	*
154	* Comment: in the future some other modes can be added.
155	*/
156
157	RTFOFF cbTotal = 0;
158	RTFOFF cbFree = 0;
159	uint32_t cbBlock = 0;
160	uint32_t cbSector = 0;
161
162
163	int vrc = RTFsQuerySizes(strTargetFolder.c_str(), &cbTotal, &cbFree, &cbBlock, &cbSector);
164	if (RT_FAILURE(vrc))
165	return m_pMachine->setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
166	m_pMachine->tr("Unable to determine free space at move destination ('%s'): %Rrc"),
167	strTargetFolder.c_str(), vrc);
168
169	RTDIR hDir;
170	vrc = RTDirOpen(&hDir, strTargetFolder.c_str());
171	if (RT_FAILURE(vrc))
172	return m_pMachine->setErrorVrc(vrc);
173
174	Utf8Str strTempFile = strTargetFolder + "test.txt";
175	RTFILE hFile;
176	vrc = RTFileOpen(&hFile, strTempFile.c_str(), RTFILE_O_OPEN_CREATE \| RTFILE_O_READWRITE \| RTFILE_O_DENY_NONE);
177	if (RT_FAILURE(vrc))
178	{
179	RTDirClose(hDir);
180	return m_pMachine->setErrorVrc(vrc,
181	m_pMachine->tr("Can't create a test file test.txt in the %s. Check the access rights of the destination folder."),
182	strTargetFolder.c_str());
183	}
184
185	/** @todo r=vvp: Do we need to check each return result here? Looks excessively.
186	* And it's not so important for the test file.
187	* bird: I'd just do AssertRC on the same line, though the deletion
188	* of the test is a little important. */
189	vrc = RTFileClose(hFile); AssertRC(vrc);
190	RTFileDelete(strTempFile.c_str());
191	vrc = RTDirClose(hDir); AssertRC(vrc);
192
193	Log2(("blocks: total %RTfoff, free %RTfoff\n", cbTotal, cbFree));
194	Log2(("total space (Kb) %RTfoff (Mb) %RTfoff (Gb) %RTfoff\n", cbTotal/_1K, cbTotal/_1M, cbTotal/_1G));
195	Log2(("total free space (Kb) %RTfoff (Mb) %RTfoff (Gb) %RTfoff\n", cbFree/_1K, cbFree/_1M, cbFree/_1G));
196
197	RTFSPROPERTIES properties;
198	vrc = RTFsQueryProperties(strTargetFolder.c_str(), &properties);
199	if (RT_FAILURE(vrc))
200	return m_pMachine->setErrorVrc(vrc, "RTFsQueryProperties(%s): %Rrc", strTargetFolder.c_str(), vrc);
201
202	Log2(("disk properties: remote=%RTbool read only=%RTbool compressed=%RTbool\n",
203	properties.fRemote, properties.fReadOnly, properties.fCompressed));
204
205	/* Get the original VM path */
206	Utf8Str strSettingsFilePath;
207	Bstr bstr_settingsFilePath;
208	hrc = m_pMachine->COMGETTER(SettingsFilePath)(bstr_settingsFilePath.asOutParam());
209	if (FAILED(hrc))
210	return hrc;
211
212	strSettingsFilePath = bstr_settingsFilePath;
213	strSettingsFilePath.stripFilename();
214
215	m_vmFolders.insert(std::make_pair(VBox_SettingFolder, strSettingsFilePath));
216
217	/* Collect all files from the VM's folder */
218	fileList_t fullFileList;
219	hrc = getFilesList(strSettingsFilePath, fullFileList);
220	if (FAILED(hrc))
221	return hrc;
222
223	/*
224	* Collect all known folders used by the VM:
225	* - log folder;
226	* - state folder;
227	* - snapshot folder.
228	*/
229	Utf8Str strLogFolder;
230	Bstr bstr_logFolder;
231	hrc = m_pMachine->COMGETTER(LogFolder)(bstr_logFolder.asOutParam());
232	if (FAILED(hrc))
233	return hrc;
234
235	strLogFolder = bstr_logFolder;
236	if ( m_type.equals("basic")
237	&& RTPathStartsWith(strLogFolder.c_str(), strSettingsFilePath.c_str()))
238	m_vmFolders.insert(std::make_pair(VBox_LogFolder, strLogFolder));
239
240	Utf8Str strStateFilePath;
241	Bstr bstr_stateFilePath;
242	MachineState_T machineState;
243	hrc = m_pMachine->COMGETTER(State)(&machineState);
244	if (FAILED(hrc))
245	return hrc;
246
247	if (machineState == MachineState_Saved)
248	{
249	m_pMachine->COMGETTER(StateFilePath)(bstr_stateFilePath.asOutParam());
250	strStateFilePath = bstr_stateFilePath;
251	strStateFilePath.stripFilename();
252	if ( m_type.equals("basic")
253	&& RTPathStartsWith(strStateFilePath.c_str(), strSettingsFilePath.c_str()))
254	m_vmFolders.insert(std::make_pair(VBox_StateFolder, strStateFilePath));
255	}
256
257	Utf8Str strSnapshotFolder;
258	Bstr bstr_snapshotFolder;
259	hrc = m_pMachine->COMGETTER(SnapshotFolder)(bstr_snapshotFolder.asOutParam());
260	if (FAILED(hrc))
261	return hrc;
262
263	strSnapshotFolder = bstr_snapshotFolder;
264	if ( m_type.equals("basic")
265	&& RTPathStartsWith(strSnapshotFolder.c_str(), strSettingsFilePath.c_str()))
266	m_vmFolders.insert(std::make_pair(VBox_SnapshotFolder, strSnapshotFolder));
267
268	if (m_pMachine->i_isSnapshotMachine())
269	{
270	Bstr bstrSrcMachineId;
271	hrc = m_pMachine->COMGETTER(Id)(bstrSrcMachineId.asOutParam());
272	if (FAILED(hrc))
273	return hrc;
274
275	ComPtr<IMachine> newSrcMachine;
276	hrc = m_pMachine->i_getVirtualBox()->FindMachine(bstrSrcMachineId.raw(), newSrcMachine.asOutParam());
277	if (FAILED(hrc))
278	return hrc;
279	}
280
281	/* Add the current machine and all snapshot machines below this machine
282	* in a list for further processing.
283	*/
284
285	int64_t neededFreeSpace = 0;
286
287	/* Actual file list */
288	fileList_t actualFileList;
289	Utf8Str strTargetImageName;
290
291	machineList.push_back(m_pMachine);
292
293	{
294	ULONG cSnapshots = 0;
295	hrc = m_pMachine->COMGETTER(SnapshotCount)(&cSnapshots);
296	if (FAILED(hrc))
297	return hrc;
298
299	if (cSnapshots > 0)
300	{
301	Utf8Str id;
302	if (m_pMachine->i_isSnapshotMachine())
303	id = m_pMachine->i_getSnapshotId().toString();
304	ComPtr<ISnapshot> pSnapshot;
305	hrc = m_pMachine->FindSnapshot(Bstr(id).raw(), pSnapshot.asOutParam());
306	if (FAILED(hrc))
307	return hrc;
308	hrc = createMachineList(pSnapshot);
309	if (FAILED(hrc))
310	return hrc;
311	}
312	}
313
314	ULONG uCount = 1;//looks like it should be initialized by 1. See assertion in the Progress::setNextOperation()
315	ULONG uTotalWeight = 1;
316
317	/* The lists m_llMedias, m_llSaveStateFiles and m_llNVRAMFiles are filled in the queryMediasForAllStates() */
318	hrc = queryMediasForAllStates();
319	if (FAILED(hrc))
320	return hrc;
321
322	/* Calculate the total size of images. Fill m_finalMediumsMap */
323	{ /** The scope here for better reading, apart from that the variables have limited scope too */
324	uint64_t totalMediumsSize = 0;
325
326	for (size_t i = 0; i < m_llMedias.size(); ++i)
327	{
328	MEDIUMTASKCHAINMOVE &mtc = m_llMedias.at(i);
329	for (size_t a = mtc.chain.size(); a > 0; --a)
330	{
331	Bstr bstrLocation;
332	Utf8Str name = mtc.chain[a - 1].strBaseName;
333	ComPtr<IMedium> plMedium = mtc.chain[a - 1].pMedium;
334	hrc = plMedium->COMGETTER(Location)(bstrLocation.asOutParam());
335	if (FAILED(hrc))
336	return hrc;
337
338	Utf8Str strLocation = bstrLocation;
339
340	/* if an image is located in the actual VM folder it will be added to the actual list */
341	if (strLocation.startsWith(strSettingsFilePath))
342	{
343	LONG64 cbSize = 0;
344	hrc = plMedium->COMGETTER(Size)(&cbSize);
345	if (FAILED(hrc))
346	return hrc;
347
348	std::pair<std::map<Utf8Str, MEDIUMTASKMOVE>::iterator,bool> ret;
349	ret = m_finalMediumsMap.insert(std::make_pair(name, mtc.chain[a - 1]));
350	if (ret.second == true)
351	{
352	/* Calculate progress data */
353	++uCount;
354	uTotalWeight += mtc.chain[a - 1].uWeight;
355	totalMediumsSize += (uint64_t)cbSize;
356	Log2(("Image %s was added into the moved list\n", name.c_str()));
357	}
358	}
359	}
360	}
361
362	Log2(("Total Size of images is %lld bytes\n", totalMediumsSize));
363	neededFreeSpace += totalMediumsSize;
364	}
365
366	/* Prepare data for moving ".sav" files */
367	{
368	uint64_t totalStateSize = 0;
369
370	for (size_t i = 0; i < m_llSaveStateFiles.size(); ++i)
371	{
372	uint64_t cbFile = 0;
373	SNAPFILETASKMOVE &sft = m_llSaveStateFiles.at(i);
374
375	Utf8Str name = sft.strFile;
376	/* if a state file is located in the actual VM folder it will be added to the actual list */
377	if (RTPathStartsWith(name.c_str(), strSettingsFilePath.c_str()))
378	{
379	vrc = RTFileQuerySizeByPath(name.c_str(), &cbFile);
380	if (RT_SUCCESS(vrc))
381	{
382	std::pair<std::map<Utf8Str, SNAPFILETASKMOVE>::iterator,bool> ret;
383	ret = m_finalSaveStateFilesMap.insert(std::make_pair(name, sft));
384	if (ret.second == true)
385	{
386	totalStateSize += cbFile;
387	++uCount;
388	uTotalWeight += sft.uWeight;
389	Log2(("The state file %s was added into the moved list\n", name.c_str()));
390	}
391	}
392	else
393	{
394	Log2(("The state file %s wasn't added into the moved list. Couldn't get the file size.\n",
395	name.c_str()));
396	return m_pMachine->setErrorVrc(vrc,
397	m_pMachine->tr("Failed to get file size for '%s': %Rrc"),
398	name.c_str(), vrc);
399	}
400	}
401	}
402
403	neededFreeSpace += totalStateSize;
404	}
405
406	/* Prepare data for moving ".nvram" files */
407	{
408	uint64_t totalNVRAMSize = 0;
409
410	for (size_t i = 0; i < m_llNVRAMFiles.size(); ++i)
411	{
412	uint64_t cbFile = 0;
413	SNAPFILETASKMOVE &sft = m_llNVRAMFiles.at(i);
414
415	Utf8Str name = sft.strFile;
416	/* if a NVRAM file is located in the actual VM folder it will be added to the actual list */
417	if (RTPathStartsWith(name.c_str(), strSettingsFilePath.c_str()))
418	{
419	vrc = RTFileQuerySizeByPath(name.c_str(), &cbFile);
420	if (RT_SUCCESS(vrc))
421	{
422	std::pair<std::map<Utf8Str, SNAPFILETASKMOVE>::iterator,bool> ret;
423	ret = m_finalNVRAMFilesMap.insert(std::make_pair(name, sft));
424	if (ret.second == true)
425	{
426	totalNVRAMSize += cbFile;
427	++uCount;
428	uTotalWeight += sft.uWeight;
429	Log2(("The NVRAM file %s was added into the moved list\n", name.c_str()));
430	}
431	}
432	else
433	{
434	Log2(("The NVRAM file %s wasn't added into the moved list. Couldn't get the file size.\n",
435	name.c_str()));
436	return m_pMachine->setErrorVrc(vrc,
437	m_pMachine->tr("Failed to get file size for '%s': %Rrc"),
438	name.c_str(), vrc);
439	}
440	}
441	}
442
443	neededFreeSpace += totalNVRAMSize;
444	}
445
446	/* Prepare data for moving the log files */
447	{
448	Utf8Str strFolder = m_vmFolders[VBox_LogFolder];
449
450	if (RTPathExists(strFolder.c_str()))
451	{
452	uint64_t totalLogSize = 0;
453	hrc = getFolderSize(strFolder, totalLogSize);
454	if (SUCCEEDED(hrc))
455	{
456	neededFreeSpace += totalLogSize;
457	if (cbFree - neededFreeSpace <= _1M)
458	return m_pMachine->setError(E_FAIL,
459	m_pMachine->tr("Insufficient disk space available (%RTfoff needed, %RTfoff free)"),
460	neededFreeSpace, cbFree);
461
462	fileList_t filesList;
463	hrc = getFilesList(strFolder, filesList);
464	if (FAILED(hrc))
465	return hrc;
466
467	cit_t it = filesList.m_list.begin();
468	while (it != filesList.m_list.end())
469	{
470	Utf8Str strFile = it->first.c_str();
471	strFile.append(RTPATH_DELIMITER).append(it->second.c_str());
472
473	uint64_t cbFile = 0;
474	vrc = RTFileQuerySizeByPath(strFile.c_str(), &cbFile);
475	if (RT_SUCCESS(vrc))
476	{
477	uCount += 1;
478	uTotalWeight += (ULONG)((cbFile + _1M - 1) / _1M);
479	actualFileList.add(strFile);
480	Log2(("The log file %s added into the moved list\n", strFile.c_str()));
481	}
482	else
483	Log2(("The log file %s wasn't added into the moved list. Couldn't get the file size.\n", strFile.c_str()));
484	++it;
485	}
486	}
487	else
488	return hrc;
489	}
490	else
491	{
492	Log2(("Information: The original log folder %s doesn't exist\n", strFolder.c_str()));
493	hrc = S_OK;//it's not error in this case if there isn't an original log folder
494	}
495	}
496
497	LogRel(("Total space needed is %lld bytes\n", neededFreeSpace));
498	/* Check a target location on enough room */
499	if (cbFree - neededFreeSpace <= _1M)
500	{
501	LogRel(("but free space on destination is %RTfoff\n", cbFree));
502	return m_pMachine->setError(VBOX_E_IPRT_ERROR,
503	m_pMachine->tr("Insufficient disk space available (%RTfoff needed, %RTfoff free)"),
504	neededFreeSpace, cbFree);
505	}
506
507	/* Add step for .vbox machine setting file */
508	++uCount;
509	uTotalWeight += 1;
510
511	/* Reserve additional steps in case of failure and rollback all changes */
512	uTotalWeight += uCount;//just add 1 for each possible rollback operation
513	uCount += uCount;//and increase the steps twice
514
515	/* Init Progress instance */
516	{
517	hrc = m_pProgress->init(m_pMachine->i_getVirtualBox(),
518	static_cast<IMachine >(m_pMachine) / aInitiator */,
519	Utf8Str(m_pMachine->tr("Moving Machine")),
520	true /* fCancellable */,
521	uCount,
522	uTotalWeight,
523	Utf8Str(m_pMachine->tr("Initialize Moving")),
524	1);
525	if (FAILED(hrc))
526	return m_pMachine->setError(hrc,
527	m_pMachine->tr("Couldn't correctly setup the progress object for moving VM operation"));
528	}
529
530	/* save all VM data */
531	m_pMachine->i_setModified(Machine::IsModified_MachineData);
532	hrc = m_pMachine->SaveSettings();
533	if (FAILED(hrc))
534	return hrc;
535
536	LogFlowFuncLeave();
537
538	return hrc;
539	}
540
541	void MachineMoveVM::printStateFile(settings::SnapshotsList &snl)
542	{
543	settings::SnapshotsList::iterator it;
544	for (it = snl.begin(); it != snl.end(); ++it)
545	{
546	if (!it->strStateFile.isEmpty())
547	{
548	settings::Snapshot snap = (settings::Snapshot)(*it);
549	Log2(("snap.uuid = %s\n", snap.uuid.toStringCurly().c_str()));
550	Log2(("snap.strStateFile = %s\n", snap.strStateFile.c_str()));
551	}
552
553	if (!it->llChildSnapshots.empty())
554	printStateFile(it->llChildSnapshots);
555	}
556	}
557
558	/* static */
559	DECLCALLBACK(int) MachineMoveVM::updateProgress(unsigned uPercent, void *pvUser)
560	{
561	MachineMoveVM pTask = (MachineMoveVM **)pvUser;
562
563	if ( pTask
564	&& !pTask->m_pProgress.isNull())
565	{
566	BOOL fCanceled;
567	pTask->m_pProgress->COMGETTER(Canceled)(&fCanceled);
568	if (fCanceled)
569	return -1;
570	pTask->m_pProgress->SetCurrentOperationProgress(uPercent);
571	}
572	return VINF_SUCCESS;
573	}
574
575	/* static */
576	DECLCALLBACK(int) MachineMoveVM::copyFileProgress(unsigned uPercentage, void *pvUser)
577	{
578	ComObjPtr<Progress> pProgress = static_cast<ComObjPtr<Progress> >(pvUser);
579
580	BOOL fCanceled = false;
581	HRESULT rc = pProgress->COMGETTER(Canceled)(&fCanceled);
582	if (FAILED(rc)) return VERR_GENERAL_FAILURE;
583	/* If canceled by the user tell it to the copy operation. */
584	if (fCanceled) return VERR_CANCELLED;
585	/* Set the new process. */
586	rc = pProgress->SetCurrentOperationProgress(uPercentage);
587	if (FAILED(rc)) return VERR_GENERAL_FAILURE;
588
589	return VINF_SUCCESS;
590	}
591
592	/* static */
593	void MachineMoveVM::i_MoveVMThreadTask(MachineMoveVM *task)
594	{
595	LogFlowFuncEnter();
596	HRESULT hrc = S_OK;
597
598	MachineMoveVM *taskMoveVM = task;
599	ComObjPtr<Machine> &machine = taskMoveVM->m_pMachine;
600
601	AutoCaller autoCaller(machine);
602	// if (FAILED(autoCaller.rc())) return;//Should we return something here?
603
604	Utf8Str strTargetFolder = taskMoveVM->m_targetPath;
605	{
606	Bstr bstrMachineName;
607	hrc = machine->COMGETTER(Name)(bstrMachineName.asOutParam());
608	if (FAILED(hrc))
609	{
610	taskMoveVM->m_result = hrc;
611	if (!taskMoveVM->m_pProgress.isNull())
612	taskMoveVM->m_pProgress->i_notifyComplete(taskMoveVM->m_result);
613	return;
614	}
615	strTargetFolder.append(Utf8Str(bstrMachineName));
616	}
617
618	RTCList<Utf8Str> newFiles; /* All extra created files (save states, ...) */
619	RTCList<Utf8Str> originalFiles; /* All original files except images */
620	typedef std::map<Utf8Str, ComObjPtr<Medium> > MediumMap;
621	MediumMap mapOriginalMedium;
622
623	/*
624	* We have the couple modes which user is able to request
625	* basic mode:
626	* - The images which are solely attached to the VM
627	* and located in the original VM folder will be moved.
628	* All subfolders related to the original VM are also moved from the original location
629	* (Standard - snapshots and logs folders).
630	*
631	* canonical mode:
632	* - All disks tied with the VM will be moved into a new location if it's possible.
633	* All folders related to the original VM are also moved.
634	* This mode is intended to collect all files/images/snapshots related to the VM in the one place.
635	*
636	*/
637
638	/*
639	* A way to handle shareable disk:
640	* Collect the shareable disks attched to the VM.
641	* Get the machines whom the shareable disks attach to.
642	* Return an error if the state of any VM doesn't allow to move a shareable disk and
643	* this disk is located in the VM's folder (it means the disk is intended for "moving").
644	*/
645
646
647	/*
648	* Check new destination whether enough room for the VM or not. if "not" return an error.
649	* Make a copy of VM settings and a list with all files which are moved. Save the list on the disk.
650	* Start "move" operation.
651	* Check the result of operation.
652	* if the operation was successful:
653	* - delete all files in the original VM folder;
654	* - update VM disks info with new location;
655	* - update all other VM if it's needed;
656	* - update global settings
657	*/
658
659	try
660	{
661	/* Move all disks */
662	hrc = taskMoveVM->moveAllDisks(taskMoveVM->m_finalMediumsMap, strTargetFolder);
663	if (FAILED(hrc))
664	throw hrc;
665
666	/* Get Machine::Data here because moveAllDisks() change it */
667	Machine::Data *machineData = machine->mData.data();
668	settings::MachineConfigFile *machineConfFile = machineData->pMachineConfigFile;
669
670	/* Copy all save state files. */
671	Utf8Str strTrgSnapshotFolder;
672	{
673	/* When the current snapshot folder is absolute we reset it to the
674	* default relative folder. */
675	if (RTPathStartsWithRoot(machineConfFile->machineUserData.strSnapshotFolder.c_str()))
676	machineConfFile->machineUserData.strSnapshotFolder = "Snapshots";
677	machineConfFile->strStateFile = "";
678
679	/* The absolute name of the snapshot folder. */
680	strTrgSnapshotFolder = Utf8StrFmt("%s%c%s", strTargetFolder.c_str(), RTPATH_DELIMITER,
681	machineConfFile->machineUserData.strSnapshotFolder.c_str());
682
683	/* Check if a snapshot folder is necessary and if so doesn't already
684	* exists. */
685	if ( ( taskMoveVM->m_finalSaveStateFilesMap.size() > 0
686	\|\| taskMoveVM->m_finalNVRAMFilesMap.size() > 1)
687	&& !RTDirExists(strTrgSnapshotFolder.c_str()))
688	{
689	int vrc = RTDirCreateFullPath(strTrgSnapshotFolder.c_str(), 0700);
690	if (RT_FAILURE(vrc))
691	throw machine->setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
692	taskMoveVM->m_pMachine->tr("Could not create snapshots folder '%s' (%Rrc)"),
693	strTrgSnapshotFolder.c_str(), vrc);
694	}
695
696	std::map<Utf8Str, SNAPFILETASKMOVE>::iterator itState = taskMoveVM->m_finalSaveStateFilesMap.begin();
697	while (itState != taskMoveVM->m_finalSaveStateFilesMap.end())
698	{
699	const SNAPFILETASKMOVE &sft = itState->second;
700	const Utf8Str &strTrgSaveState = Utf8StrFmt("%s%c%s", strTrgSnapshotFolder.c_str(), RTPATH_DELIMITER,
701	RTPathFilename(sft.strFile.c_str()));
702
703	/* Move to next sub-operation. */
704	hrc = taskMoveVM->m_pProgress->SetNextOperation(BstrFmt(machine->tr("Copy the save state file '%s' ..."),
705	RTPathFilename(sft.strFile.c_str())).raw(),
706	sft.uWeight);
707	if (FAILED(hrc))
708	throw hrc;
709
710	int vrc = RTFileCopyEx(sft.strFile.c_str(), strTrgSaveState.c_str(), 0,
711	MachineMoveVM::copyFileProgress, &taskMoveVM->m_pProgress);
712	if (RT_FAILURE(vrc))
713	throw machine->setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
714	taskMoveVM->m_pMachine->tr("Could not copy state file '%s' to '%s' (%Rrc)"),
715	sft.strFile.c_str(),
716	strTrgSaveState.c_str(),
717	vrc);
718
719	/* save new file in case of restoring */
720	newFiles.append(strTrgSaveState);
721	/* save original file for deletion in the end */
722	originalFiles.append(sft.strFile);
723	++itState;
724	}
725
726	std::map<Utf8Str, SNAPFILETASKMOVE>::iterator itNVRAM = taskMoveVM->m_finalNVRAMFilesMap.begin();
727	while (itNVRAM != taskMoveVM->m_finalNVRAMFilesMap.end())
728	{
729	const SNAPFILETASKMOVE &sft = itNVRAM->second;
730	const Utf8Str &strTrgNVRAM = Utf8StrFmt("%s%c%s", sft.snapshotUuid.isZero() ? strTargetFolder.c_str() : strTrgSnapshotFolder.c_str(),
731	RTPATH_DELIMITER, RTPathFilename(sft.strFile.c_str()));
732
733	/* Move to next sub-operation. */
734	hrc = taskMoveVM->m_pProgress->SetNextOperation(BstrFmt(machine->tr("Copy the NVRAM file '%s' ..."),
735	RTPathFilename(sft.strFile.c_str())).raw(),
736	sft.uWeight);
737	if (FAILED(hrc))
738	throw hrc;
739
740	int vrc = RTFileCopyEx(sft.strFile.c_str(), strTrgNVRAM.c_str(), 0,
741	MachineMoveVM::copyFileProgress, &taskMoveVM->m_pProgress);
742	if (RT_FAILURE(vrc))
743	throw machine->setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
744	taskMoveVM->m_pMachine->tr("Could not copy NVRAM file '%s' to '%s' (%Rrc)"),
745	sft.strFile.c_str(),
746	strTrgNVRAM.c_str(),
747	vrc);
748
749	/* save new file in case of restoring */
750	newFiles.append(strTrgNVRAM);
751	/* save original file for deletion in the end */
752	originalFiles.append(sft.strFile);
753	++itNVRAM;
754	}
755	}
756
757	/*
758	* Update state file path
759	* very important step!
760	*/
761	Log2(("Update state file path\n"));
762	/** @todo r=klaus: this update is not necessarily matching what the
763	* above code has set as the new folders, so it needs reimplementing */
764	taskMoveVM->updatePathsToStateFiles(taskMoveVM->m_vmFolders[VBox_SettingFolder],
765	strTargetFolder);
766
767	/*
768	* Update NVRAM file paths
769	* very important step!
770	*/
771	Log2(("Update NVRAM paths\n"));
772	/** @todo r=klaus: this update is not necessarily matching what the
773	* above code has set as the new folders, so it needs reimplementing.
774	* What's good about this implementation: it does not look at the
775	* list of NVRAM files, because that only lists the existing ones,
776	* but all paths need fixing. */
777	taskMoveVM->updatePathsToNVRAMFiles(taskMoveVM->m_vmFolders[VBox_SettingFolder],
778	strTargetFolder);
779
780	/*
781	* Moving Machine settings file
782	* The settings file are moved after all disks and snapshots because this file should be updated
783	* with actual information and only then should be moved.
784	*/
785	{
786	Log2(("Copy Machine settings file\n"));
787
788	hrc = taskMoveVM->m_pProgress->SetNextOperation(BstrFmt(machine->tr("Copy Machine settings file '%s' ..."),
789	machineConfFile->machineUserData.strName.c_str()).raw(),
790	1);
791	if (FAILED(hrc))
792	throw hrc;
793
794	Utf8Str strTargetSettingsFilePath = strTargetFolder;
795
796	/* Check a folder existing and create one if it's not */
797	if (!RTDirExists(strTargetSettingsFilePath.c_str()))
798	{
799	int vrc = RTDirCreateFullPath(strTargetSettingsFilePath.c_str(), 0700);
800	if (RT_FAILURE(vrc))
801	throw machine->setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
802	taskMoveVM->m_pMachine->tr("Could not create a home machine folder '%s' (%Rrc)"),
803	strTargetSettingsFilePath.c_str(), vrc);
804
805	Log2(("Created a home machine folder %s\n", strTargetSettingsFilePath.c_str()));
806	}
807
808	/* Create a full path */
809	Bstr bstrMachineName;
810	machine->COMGETTER(Name)(bstrMachineName.asOutParam());
811	if (FAILED(hrc))
812	throw hrc;
813	strTargetSettingsFilePath.append(RTPATH_DELIMITER).append(Utf8Str(bstrMachineName));
814	strTargetSettingsFilePath.append(".vbox");
815
816	Utf8Str strSettingsFilePath;
817	Bstr bstr_settingsFilePath;
818	machine->COMGETTER(SettingsFilePath)(bstr_settingsFilePath.asOutParam());
819	if (FAILED(hrc))
820	throw hrc;
821	strSettingsFilePath = bstr_settingsFilePath;
822
823	int vrc = RTFileCopyEx(strSettingsFilePath.c_str(), strTargetSettingsFilePath.c_str(), 0,
824	MachineMoveVM::copyFileProgress, &taskMoveVM->m_pProgress);
825	if (RT_FAILURE(vrc))
826	throw machine->setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
827	taskMoveVM->m_pMachine->tr("Could not copy the setting file '%s' to '%s' (%Rrc)"),
828	strSettingsFilePath.c_str(),
829	strTargetSettingsFilePath.stripFilename().c_str(),
830	vrc);
831
832	Log2(("The setting file %s has been copied into the folder %s\n",
833	strSettingsFilePath.c_str(), strTargetSettingsFilePath.stripFilename().c_str()));
834
835	/* save new file in case of restoring */
836	newFiles.append(strTargetSettingsFilePath);
837	/* save original file for deletion in the end */
838	originalFiles.append(strSettingsFilePath);
839
840	Utf8Str strPrevSettingsFilePath = strSettingsFilePath;
841	strPrevSettingsFilePath.append("-prev");
842	if (RTFileExists(strPrevSettingsFilePath.c_str()))
843	originalFiles.append(strPrevSettingsFilePath);
844	}
845
846	/* Moving Machine log files */
847	{
848	Log2(("Copy machine log files\n"));
849
850	if (taskMoveVM->m_vmFolders[VBox_LogFolder].isNotEmpty())
851	{
852	/* Check an original log folder existence */
853	if (RTDirExists(taskMoveVM->m_vmFolders[VBox_LogFolder].c_str()))
854	{
855	Utf8Str strTargetLogFolderPath = strTargetFolder;
856	strTargetLogFolderPath.append(RTPATH_DELIMITER).append("Logs");
857
858	/* Check a destination log folder existence and create one if it's not */
859	if (!RTDirExists(strTargetLogFolderPath.c_str()))
860	{
861	int vrc = RTDirCreateFullPath(strTargetLogFolderPath.c_str(), 0700);
862	if (RT_FAILURE(vrc))
863	throw machine->setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
864	taskMoveVM->m_pMachine->tr("Could not create log folder '%s' (%Rrc)"),
865	strTargetLogFolderPath.c_str(), vrc);
866
867	Log2(("Created a log machine folder %s\n", strTargetLogFolderPath.c_str()));
868	}
869
870	fileList_t filesList;
871	taskMoveVM->getFilesList(taskMoveVM->m_vmFolders[VBox_LogFolder], filesList);
872	cit_t it = filesList.m_list.begin();
873	while (it != filesList.m_list.end())
874	{
875	Utf8Str strFullSourceFilePath = it->first.c_str();
876	strFullSourceFilePath.append(RTPATH_DELIMITER).append(it->second.c_str());
877
878	Utf8Str strFullTargetFilePath = strTargetLogFolderPath;
879	strFullTargetFilePath.append(RTPATH_DELIMITER).append(it->second.c_str());
880
881	/* Move to next sub-operation. */
882	hrc = taskMoveVM->m_pProgress->SetNextOperation(BstrFmt(machine->tr("Copying the log file '%s' ..."),
883	RTPathFilename(strFullSourceFilePath.c_str())).raw(),
884	1);
885	if (FAILED(hrc))
886	throw hrc;
887
888	int vrc = RTFileCopyEx(strFullSourceFilePath.c_str(), strFullTargetFilePath.c_str(), 0,
889	MachineMoveVM::copyFileProgress, &taskMoveVM->m_pProgress);
890	if (RT_FAILURE(vrc))
891	throw machine->setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
892	taskMoveVM->m_pMachine->tr("Could not copy the log file '%s' to '%s' (%Rrc)"),
893	strFullSourceFilePath.c_str(),
894	strFullTargetFilePath.stripFilename().c_str(),
895	vrc);
896
897	Log2(("The log file %s has been copied into the folder %s\n", strFullSourceFilePath.c_str(),
898	strFullTargetFilePath.stripFilename().c_str()));
899
900	/* save new file in case of restoring */
901	newFiles.append(strFullTargetFilePath);
902	/* save original file for deletion in the end */
903	originalFiles.append(strFullSourceFilePath);
904
905	++it;
906	}
907	}
908	}
909	}
910
911	/* save all VM data */
912	hrc = machine->SaveSettings();
913	if (FAILED(hrc))
914	throw hrc;
915
916	Log2(("Update path to XML setting file\n"));
917	Utf8Str strTargetSettingsFilePath = strTargetFolder;
918	Bstr bstrMachineName;
919	hrc = machine->COMGETTER(Name)(bstrMachineName.asOutParam());
920	if (FAILED(hrc))
921	throw hrc;
922	strTargetSettingsFilePath.append(RTPATH_DELIMITER).append(Utf8Str(bstrMachineName)).append(".vbox");
923	machineData->m_strConfigFileFull = strTargetSettingsFilePath;
924	machine->mParent->i_copyPathRelativeToConfig(strTargetSettingsFilePath, machineData->m_strConfigFile);
925
926	/* Marks the global registry for uuid as modified */
927	Guid uuid = machine->mData->mUuid;
928	machine->mParent->i_markRegistryModified(uuid);
929
930	/* for saving the global settings we should hold only the VirtualBox lock */
931	AutoWriteLock vboxLock(machine->mParent COMMA_LOCKVAL_SRC_POS);
932
933	/* Save global settings in the VirtualBox.xml */
934	hrc = machine->mParent->i_saveSettings();
935	if (FAILED(hrc))
936	throw hrc;
937	}
938	catch(HRESULT aRc)
939	{
940	hrc = aRc;
941	taskMoveVM->m_result = hrc;
942	}
943	catch (...)
944	{
945	Log2(("Moving machine to a new destination was failed. Check original and destination places.\n"));
946	hrc = VirtualBoxBase::handleUnexpectedExceptions(machine, RT_SRC_POS);
947	taskMoveVM->m_result = hrc;
948	}
949
950	/* Cleanup on failure */
951	if (FAILED(hrc))
952	{
953	Machine::Data *machineData = machine->mData.data();
954
955	/* Restoring the original mediums */
956	try
957	{
958	/*
959	* Fix the progress counter
960	* In instance, the whole "move vm" operation is failed on 5th step. But total count is 20.
961	* Where 20 = 2 * 10 operations, where 10 is the real number of operations. And this value was doubled
962	* earlier in the init() exactly for one reason - rollback operation. Because in this case we must do
963	* the same operations but in backward direction.
964	* Thus now we want to correct the progress counter from 5 to 15. Why?
965	* Because we should have evaluated the counter as "20/2 + (20/2 - 5)" = 15 or just "20 - 5" = 15
966	* And because the 5th step failed it shouldn't be counted.
967	* As result, we need to rollback 4 operations.
968	* Thus we start from "operation + 1" and finish when "i < operationCount - operation".
969	*/
970
971	/** @todo r=vvp: Do we need to check each return result here? Looks excessively
972	* and what to do with any failure here? We are already in the rollback action.
973	* Throw only the important errors?
974	* We MUST finish this action anyway to avoid garbage and get the original VM state. */
975	/* ! Apparently we should update the Progress object !*/
976	ULONG operationCount = 0;
977	hrc = taskMoveVM->m_pProgress->COMGETTER(OperationCount)(&operationCount);
978	if (FAILED(hrc))
979	throw hrc;
980	ULONG operation = 0;
981	hrc = taskMoveVM->m_pProgress->COMGETTER(Operation)(&operation);
982	if (FAILED(hrc))
983	throw hrc;
984	Bstr bstrOperationDescription;
985	hrc = taskMoveVM->m_pProgress->COMGETTER(OperationDescription)(bstrOperationDescription.asOutParam());
986	if (FAILED(hrc))
987	throw hrc;
988	Utf8Str strOperationDescription = bstrOperationDescription;
989	ULONG operationPercent = 0;
990	hrc = taskMoveVM->m_pProgress->COMGETTER(OperationPercent)(&operationPercent);
991	if (FAILED(hrc))
992	throw hrc;
993	Bstr bstrMachineName;
994	hrc = machine->COMGETTER(Name)(bstrMachineName.asOutParam());
995	if (FAILED(hrc))
996	throw hrc;
997
998	Log2(("Moving machine %s was failed on operation %s\n",
999	Utf8Str(bstrMachineName.raw()).c_str(), Utf8Str(bstrOperationDescription.raw()).c_str()));
1000
1001	for (ULONG i = operation + 1; i < operationCount - operation; ++i)
1002	taskMoveVM->m_pProgress->SetNextOperation(BstrFmt("Skip the empty operation %d...", i + 1).raw(), 1);
1003
1004	hrc = taskMoveVM->moveAllDisks(taskMoveVM->m_finalMediumsMap);
1005	if (FAILED(hrc))
1006	throw hrc;
1007
1008	/* Revert original paths to the state files */
1009	taskMoveVM->updatePathsToStateFiles(strTargetFolder,
1010	taskMoveVM->m_vmFolders[VBox_SettingFolder]);
1011
1012	/* Revert original paths to the NVRAM files */
1013	taskMoveVM->updatePathsToNVRAMFiles(strTargetFolder,
1014	taskMoveVM->m_vmFolders[VBox_SettingFolder]);
1015
1016	/* Delete all created files. Here we update progress object */
1017	hrc = taskMoveVM->deleteFiles(newFiles);
1018	if (FAILED(hrc))
1019	{
1020	Log2(("Rollback scenario: can't delete new created files. Check the destination folder.\n"));
1021	throw hrc;
1022	}
1023
1024	/* Delete destination folder */
1025	int vrc = RTDirRemove(strTargetFolder.c_str());
1026	if (RT_FAILURE(vrc))
1027	{
1028	Log2(("Rollback scenario: can't delete new destination folder.\n"));
1029	throw machine->setErrorVrc(vrc, "Rollback scenario: can't delete new destination folder.");
1030	}
1031
1032	/* save all VM data */
1033	{
1034	AutoWriteLock srcLock(machine COMMA_LOCKVAL_SRC_POS);
1035	srcLock.release();
1036	hrc = machine->SaveSettings();
1037	if (FAILED(hrc))
1038	{
1039	Log2(("Rollback scenario: can't save machine settings.\n"));
1040	throw hrc;
1041	}
1042	srcLock.acquire();
1043	}
1044
1045	/* Restore an original path to XML setting file */
1046	{
1047	Log2(("Rollback scenario: restoration of the original path to XML setting file\n"));
1048	Utf8Str strOriginalSettingsFilePath = taskMoveVM->m_vmFolders[VBox_SettingFolder];
1049	strOriginalSettingsFilePath.append(RTPATH_DELIMITER).append(Utf8Str(bstrMachineName)).append(".vbox");
1050	machineData->m_strConfigFileFull = strOriginalSettingsFilePath;
1051	machine->mParent->i_copyPathRelativeToConfig(strOriginalSettingsFilePath, machineData->m_strConfigFile);
1052	}
1053
1054	/* Marks the global registry for uuid as modified */
1055	{
1056	AutoWriteLock srcLock(machine COMMA_LOCKVAL_SRC_POS);
1057	srcLock.release();
1058	Guid uuid = machine->mData->mUuid;
1059	machine->mParent->i_markRegistryModified(uuid);
1060	srcLock.acquire();
1061	}
1062
1063	/* save the global settings; for that we should hold only the VirtualBox lock */
1064	{
1065	AutoWriteLock vboxLock(machine->mParent COMMA_LOCKVAL_SRC_POS);
1066	hrc = machine->mParent->i_saveSettings();
1067	if (FAILED(hrc))
1068	{
1069	Log2(("Rollback scenario: can't save global settings.\n"));
1070	throw hrc;
1071	}
1072	}
1073	}
1074	catch(HRESULT aRc)
1075	{
1076	hrc = aRc;
1077	Log2(("Rollback scenario: restoration the original mediums were failed. Machine can be corrupted.\n"));
1078	}
1079	catch (...)
1080	{
1081	Log2(("Rollback scenario: restoration the original mediums were failed. Machine can be corrupted.\n"));
1082	hrc = VirtualBoxBase::handleUnexpectedExceptions(machine, RT_SRC_POS);
1083	}
1084	/* In case of failure the progress object on the other side (user side) get notification about operation
1085	completion but the operation percentage may not be set to 100% */
1086	}
1087	else /Operation was successful and now we can delete the original files like the state files, XML setting, log files /
1088	{
1089	/*
1090	* In case of success it's not urgent to update the progress object because we call i_notifyComplete() with
1091	* the success result. As result, the last number of progress operation can be not equal the number of operations
1092	* because we doubled the number of operations for rollback case.
1093	* But if we want to update the progress object corectly it's needed to add all medium moved by standard
1094	* "move medium" logic (for us it's taskMoveVM->m_finalMediumsMap) to the current number of operation.
1095	*/
1096
1097	ULONG operationCount = 0;
1098	hrc = taskMoveVM->m_pProgress->COMGETTER(OperationCount)(&operationCount);
1099	ULONG operation = 0;
1100	hrc = taskMoveVM->m_pProgress->COMGETTER(Operation)(&operation);
1101
1102	for (ULONG i = operation; i < operation + taskMoveVM->m_finalMediumsMap.size() - 1; ++i)
1103	taskMoveVM->m_pProgress->SetNextOperation(BstrFmt("Skip the empty operation %d...", i).raw(), 1);
1104
1105	hrc = taskMoveVM->deleteFiles(originalFiles);
1106	if (FAILED(hrc))
1107	Log2(("Forward scenario: can't delete all original files.\n"));
1108
1109	/* delete no longer needed source directories */
1110	if ( taskMoveVM->m_vmFolders[VBox_SnapshotFolder].isNotEmpty()
1111	&& RTDirExists(taskMoveVM->m_vmFolders[VBox_SnapshotFolder].c_str()))
1112	RTDirRemove(taskMoveVM->m_vmFolders[VBox_SnapshotFolder].c_str());
1113
1114	if ( taskMoveVM->m_vmFolders[VBox_LogFolder].isNotEmpty()
1115	&& RTDirExists(taskMoveVM->m_vmFolders[VBox_LogFolder].c_str()))
1116	RTDirRemove(taskMoveVM->m_vmFolders[VBox_LogFolder].c_str());
1117
1118	if ( taskMoveVM->m_vmFolders[VBox_SettingFolder].isNotEmpty()
1119	&& RTDirExists(taskMoveVM->m_vmFolders[VBox_SettingFolder].c_str()))
1120	RTDirRemove(taskMoveVM->m_vmFolders[VBox_SettingFolder].c_str());
1121	}
1122
1123	if (!taskMoveVM->m_pProgress.isNull())
1124	taskMoveVM->m_pProgress->i_notifyComplete(taskMoveVM->m_result);
1125
1126	LogFlowFuncLeave();
1127	}
1128
1129	HRESULT MachineMoveVM::moveAllDisks(const std::map<Utf8Str, MEDIUMTASKMOVE> &listOfDisks,
1130	const Utf8Str &strTargetFolder)
1131	{
1132	HRESULT rc = S_OK;
1133	ComObjPtr<Machine> &machine = m_pMachine;
1134	Utf8Str strLocation;
1135
1136	AutoWriteLock machineLock(machine COMMA_LOCKVAL_SRC_POS);
1137
1138	try
1139	{
1140	std::map<Utf8Str, MEDIUMTASKMOVE>::const_iterator itMedium = listOfDisks.begin();
1141	while (itMedium != listOfDisks.end())
1142	{
1143	const MEDIUMTASKMOVE &mt = itMedium->second;
1144	ComPtr<IMedium> pMedium = mt.pMedium;
1145	Utf8Str strTargetImageName;
1146	Bstr bstrLocation;
1147	Bstr bstrSrcName;
1148
1149	rc = pMedium->COMGETTER(Name)(bstrSrcName.asOutParam());
1150	if (FAILED(rc)) throw rc;
1151
1152	if (strTargetFolder.isNotEmpty())
1153	{
1154	strTargetImageName = strTargetFolder;
1155	rc = pMedium->COMGETTER(Location)(bstrLocation.asOutParam());
1156	if (FAILED(rc)) throw rc;
1157	strLocation = bstrLocation;
1158
1159	if (mt.fSnapshot == true)
1160	strLocation.stripFilename().stripPath().append(RTPATH_DELIMITER).append(Utf8Str(bstrSrcName));
1161	else
1162	strLocation.stripPath();
1163
1164	strTargetImageName.append(RTPATH_DELIMITER).append(strLocation);
1165	rc = m_pProgress->SetNextOperation(BstrFmt(machine->tr("Moving medium '%ls' ..."),
1166	bstrSrcName.raw()).raw(),
1167	mt.uWeight);
1168	if (FAILED(rc)) throw rc;
1169	}
1170	else
1171	{
1172	strTargetImageName = mt.strBaseName;//Should contain full path to the image
1173	rc = m_pProgress->SetNextOperation(BstrFmt(machine->tr("Moving medium '%ls' back..."),
1174	bstrSrcName.raw()).raw(),
1175	mt.uWeight);
1176	if (FAILED(rc)) throw rc;
1177	}
1178
1179
1180
1181	/* consistency: use \ if appropriate on the platform */
1182	RTPathChangeToDosSlashes(strTargetImageName.mutableRaw(), false);
1183
1184	bstrLocation = strTargetImageName.c_str();
1185
1186	MediumType_T mediumType;//immutable, shared, passthrough
1187	rc = pMedium->COMGETTER(Type)(&mediumType);
1188	if (FAILED(rc)) throw rc;
1189
1190	DeviceType_T deviceType;//floppy, hard, DVD
1191	rc = pMedium->COMGETTER(DeviceType)(&deviceType);
1192	if (FAILED(rc)) throw rc;
1193
1194	/* Drop lock early because IMedium::MoveTo needs to get the VirtualBox one. */
1195	machineLock.release();
1196
1197	ComPtr<IProgress> moveDiskProgress;
1198	rc = pMedium->MoveTo(bstrLocation.raw(), moveDiskProgress.asOutParam());
1199	if (SUCCEEDED(rc))
1200	{
1201	/* In case of failure moveDiskProgress would be in the invalid state or not initialized at all
1202	* Call i_waitForOtherProgressCompletion only in success
1203	*/
1204	/* Wait until the other process has finished. */
1205	rc = m_pProgress->WaitForOtherProgressCompletion(moveDiskProgress, 0 /* indefinite wait */);
1206	}
1207
1208	/acquire the lock back/
1209	machineLock.acquire();
1210
1211	if (FAILED(rc)) throw rc;
1212
1213	Log2(("Moving %s has been finished\n", strTargetImageName.c_str()));
1214
1215	++itMedium;
1216	}
1217
1218	machineLock.release();
1219	}
1220	catch(HRESULT hrc)
1221	{
1222	Log2(("Exception during moving the disk %s\n", strLocation.c_str()));
1223	rc = hrc;
1224	machineLock.release();
1225	}
1226	catch (...)
1227	{
1228	Log2(("Exception during moving the disk %s\n", strLocation.c_str()));
1229	rc = VirtualBoxBase::handleUnexpectedExceptions(m_pMachine, RT_SRC_POS);
1230	machineLock.release();
1231	}
1232
1233	return rc;
1234	}
1235
1236	void MachineMoveVM::updatePathsToStateFiles(const Utf8Str &sourcePath, const Utf8Str &targetPath)
1237	{
1238	ComObjPtr<Snapshot> pSnapshot;
1239	HRESULT rc = m_pMachine->i_findSnapshotById(Guid() /* zero */, pSnapshot, true);
1240	if (SUCCEEDED(rc) && !pSnapshot.isNull())
1241	pSnapshot->i_updateSavedStatePaths(sourcePath.c_str(),
1242	targetPath.c_str());
1243	if (m_pMachine->mSSData->strStateFilePath.isNotEmpty())
1244	{
1245	if (RTPathStartsWith(m_pMachine->mSSData->strStateFilePath.c_str(), sourcePath.c_str()))
1246	m_pMachine->mSSData->strStateFilePath = Utf8StrFmt("%s%s",
1247	targetPath.c_str(),
1248	m_pMachine->mSSData->strStateFilePath.c_str() + sourcePath.length());
1249	else
1250	m_pMachine->mSSData->strStateFilePath = Utf8StrFmt("%s%c%s",
1251	targetPath.c_str(),
1252	RTPATH_DELIMITER,
1253	RTPathFilename(m_pMachine->mSSData->strStateFilePath.c_str()));
1254	}
1255	}
1256
1257	void MachineMoveVM::updatePathsToNVRAMFiles(const Utf8Str &sourcePath, const Utf8Str &targetPath)
1258	{
1259	ComObjPtr<Snapshot> pSnapshot;
1260	HRESULT rc = m_pMachine->i_findSnapshotById(Guid() /* zero */, pSnapshot, true);
1261	if (SUCCEEDED(rc) && !pSnapshot.isNull())
1262	pSnapshot->i_updateNVRAMPaths(sourcePath.c_str(),
1263	targetPath.c_str());
1264	ComObjPtr<BIOSSettings> pBIOSSettings(m_pMachine->mBIOSSettings);
1265	const Utf8Str NVRAMFile(pBIOSSettings->i_getNonVolatileStorageFile());
1266	if (NVRAMFile.isNotEmpty())
1267	{
1268	Utf8Str newNVRAMFile;
1269	if (RTPathStartsWith(NVRAMFile.c_str(), sourcePath.c_str()))
1270	newNVRAMFile = Utf8StrFmt("%s%s", targetPath.c_str(), NVRAMFile.c_str() + sourcePath.length());
1271	else
1272	newNVRAMFile = Utf8StrFmt("%s%c%s", targetPath.c_str(), RTPATH_DELIMITER, RTPathFilename(newNVRAMFile.c_str()));
1273	pBIOSSettings->i_updateNonVolatileStorageFile(newNVRAMFile);
1274	}
1275	}
1276
1277	HRESULT MachineMoveVM::getFilesList(const Utf8Str &strRootFolder, fileList_t &filesList)
1278	{
1279	RTDIR hDir;
1280	HRESULT hrc = S_OK;
1281	int vrc = RTDirOpen(&hDir, strRootFolder.c_str());
1282	if (RT_SUCCESS(vrc))
1283	{
1284	/** @todo r=bird: RTDIRENTRY is big and this function is doing
1285	* unrestrained recursion of arbritrary depth. Four things:
1286	* - Add a depth counter parameter and refuse to go deeper than
1287	* a certain reasonable limit.
1288	* - Split this method into a main and a worker, placing
1289	* RTDIRENTRY on the stack in the main and passing it onto to
1290	* worker as a parameter.
1291	* - RTDirRead may fail for reasons other than
1292	* VERR_NO_MORE_FILES. For instance someone could create an
1293	* entry with a name longer than RTDIRENTRY have space to
1294	* store (windows host with UTF-16 encoding shorter than 255
1295	* chars, but UTF-8 encoding longer than 260).
1296	* - enmType can be RTDIRENTRYTYPE_UNKNOWN if the file system or
1297	* the host doesn't return the information. See
1298	* RTDIRENTRY::enmType. Use RTDirQueryUnknownType() to get the
1299	* actual type. */
1300	RTDIRENTRY DirEntry;
1301	while (RT_SUCCESS(RTDirRead(hDir, &DirEntry, NULL)))
1302	{
1303	if (RTDirEntryIsStdDotLink(&DirEntry))
1304	continue;
1305
1306	if (DirEntry.enmType == RTDIRENTRYTYPE_FILE)
1307	{
1308	Utf8Str fullPath(strRootFolder);
1309	filesList.add(strRootFolder, DirEntry.szName);
1310	}
1311	else if (DirEntry.enmType == RTDIRENTRYTYPE_DIRECTORY)
1312	{
1313	Utf8Str strNextFolder(strRootFolder);
1314	strNextFolder.append(RTPATH_DELIMITER).append(DirEntry.szName);
1315	hrc = getFilesList(strNextFolder, filesList);
1316	if (FAILED(hrc))
1317	break;
1318	}
1319	}
1320
1321	vrc = RTDirClose(hDir);
1322	AssertRC(vrc);
1323	}
1324	else if (vrc == VERR_FILE_NOT_FOUND)
1325	hrc = m_pMachine->setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
1326	m_pMachine->tr("Folder '%s' doesn't exist (%Rrc)"),
1327	strRootFolder.c_str(), vrc);
1328	else
1329	hrc = m_pMachine->setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
1330	m_pMachine->tr("Could not open folder '%s' (%Rrc)"),
1331	strRootFolder.c_str(), vrc);
1332
1333	return hrc;
1334	}
1335
1336	HRESULT MachineMoveVM::deleteFiles(const RTCList<Utf8Str> &listOfFiles)
1337	{
1338	HRESULT hrc = S_OK;
1339	/* Delete all created files. */
1340	for (size_t i = 0; i < listOfFiles.size(); ++i)
1341	{
1342	Log2(("Deleting file %s ...\n", listOfFiles.at(i).c_str()));
1343	hrc = m_pProgress->SetNextOperation(BstrFmt("Deleting file %s...", listOfFiles.at(i).c_str()).raw(), 1);
1344	if (FAILED(hrc)) return hrc;
1345
1346	int vrc = RTFileDelete(listOfFiles.at(i).c_str());
1347	if (RT_FAILURE(vrc))
1348	return m_pMachine->setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
1349	m_pMachine->tr("Could not delete file '%s' (%Rrc)"),
1350	listOfFiles.at(i).c_str(), vrc);
1351
1352	else
1353	Log2(("File %s has been deleted\n", listOfFiles.at(i).c_str()));
1354	}
1355
1356	return hrc;
1357	}
1358
1359	HRESULT MachineMoveVM::getFolderSize(const Utf8Str &strRootFolder, uint64_t &size)
1360	{
1361	HRESULT hrc = S_OK;
1362	int vrc = 0;
1363	uint64_t totalFolderSize = 0;
1364	fileList_t filesList;
1365
1366	bool ex = RTPathExists(strRootFolder.c_str());
1367	if (ex == true)
1368	{
1369	hrc = getFilesList(strRootFolder, filesList);
1370	if (SUCCEEDED(hrc))
1371	{
1372	cit_t it = filesList.m_list.begin();
1373	while (it != filesList.m_list.end())
1374	{
1375	uint64_t cbFile = 0;
1376	Utf8Str fullPath = it->first;
1377	fullPath.append(RTPATH_DELIMITER).append(it->second);
1378	vrc = RTFileQuerySizeByPath(fullPath.c_str(), &cbFile);
1379	if (RT_SUCCESS(vrc))
1380	{
1381	totalFolderSize += cbFile;
1382	}
1383	else
1384	return m_pMachine->setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
1385	m_pMachine->tr("Could not get the size of file '%s': %Rrc"),
1386	fullPath.c_str(),
1387	vrc);
1388
1389	++it;
1390	}
1391
1392	size = totalFolderSize;
1393	}
1394	}
1395	else
1396	size = 0;
1397
1398	return hrc;
1399	}
1400
1401	HRESULT MachineMoveVM::queryBaseName(const ComPtr<IMedium> &pMedium, Utf8Str &strBaseName) const
1402	{
1403	ComPtr<IMedium> pBaseMedium;
1404	HRESULT rc = pMedium->COMGETTER(Base)(pBaseMedium.asOutParam());
1405	if (FAILED(rc)) return rc;
1406	Bstr bstrBaseName;
1407	rc = pBaseMedium->COMGETTER(Name)(bstrBaseName.asOutParam());
1408	if (FAILED(rc)) return rc;
1409	strBaseName = bstrBaseName;
1410	return rc;
1411	}
1412
1413	HRESULT MachineMoveVM::createMachineList(const ComPtr<ISnapshot> &pSnapshot)
1414	{
1415	Bstr name;
1416	HRESULT rc = pSnapshot->COMGETTER(Name)(name.asOutParam());
1417	if (FAILED(rc)) return rc;
1418
1419	ComPtr<IMachine> l_pMachine;
1420	rc = pSnapshot->COMGETTER(Machine)(l_pMachine.asOutParam());
1421	if (FAILED(rc)) return rc;
1422	machineList.push_back((Machine)(IMachine)l_pMachine);
1423
1424	SafeIfaceArray<ISnapshot> sfaChilds;
1425	rc = pSnapshot->COMGETTER(Children)(ComSafeArrayAsOutParam(sfaChilds));
1426	if (FAILED(rc)) return rc;
1427	for (size_t i = 0; i < sfaChilds.size(); ++i)
1428	{
1429	rc = createMachineList(sfaChilds[i]);
1430	if (FAILED(rc)) return rc;
1431	}
1432
1433	return rc;
1434	}
1435
1436	HRESULT MachineMoveVM::queryMediasForAllStates()
1437	{
1438	/* In this case we create a exact copy of the original VM. This means just
1439	* adding all directly and indirectly attached disk images to the worker
1440	* list. */
1441	HRESULT rc = S_OK;
1442	for (size_t i = 0; i < machineList.size(); ++i)
1443	{
1444	const ComObjPtr<Machine> &machine = machineList.at(i);
1445
1446	/* Add all attachments (and their parents) of the different
1447	* machines to a worker list. */
1448	SafeIfaceArray<IMediumAttachment> sfaAttachments;
1449	rc = machine->COMGETTER(MediumAttachments)(ComSafeArrayAsOutParam(sfaAttachments));
1450	if (FAILED(rc)) return rc;
1451	for (size_t a = 0; a < sfaAttachments.size(); ++a)
1452	{
1453	const ComPtr<IMediumAttachment> &pAtt = sfaAttachments[a];
1454	DeviceType_T deviceType;//floppy, hard, DVD
1455	rc = pAtt->COMGETTER(Type)(&deviceType);
1456	if (FAILED(rc)) return rc;
1457
1458	/* Valid medium attached? */
1459	ComPtr<IMedium> pMedium;
1460	rc = pAtt->COMGETTER(Medium)(pMedium.asOutParam());
1461	if (FAILED(rc)) return rc;
1462
1463	if (pMedium.isNull())
1464	continue;
1465
1466	Bstr bstrLocation;
1467	rc = pMedium->COMGETTER(Location)(bstrLocation.asOutParam());
1468	if (FAILED(rc)) return rc;
1469
1470	/* Cast to ComObjPtr<Medium> */
1471	ComObjPtr<Medium> pObjMedium = (Medium )(IMedium )pMedium;
1472
1473	/* Check for "read-only" medium in terms that VBox can't create this one */
1474	rc = isMediumTypeSupportedForMoving(pMedium);
1475	if (FAILED(rc))
1476	{
1477	if (rc == S_FALSE)
1478	{
1479	Log2(("Skipping file %ls because of this medium type hasn't been supported for moving.\n",
1480	bstrLocation.raw()));
1481	continue;
1482	}
1483	else
1484	return rc;
1485	}
1486
1487	MEDIUMTASKCHAINMOVE mtc;
1488	mtc.devType = deviceType;
1489	mtc.fAttachLinked = false;
1490	mtc.fCreateDiffs = false;
1491
1492	while (!pMedium.isNull())
1493	{
1494	/* Refresh the state so that the file size get read. */
1495	MediumState_T e;
1496	rc = pMedium->RefreshState(&e);
1497	if (FAILED(rc)) return rc;
1498
1499	LONG64 lSize;
1500	rc = pMedium->COMGETTER(Size)(&lSize);
1501	if (FAILED(rc)) return rc;
1502
1503	MediumType_T mediumType;//immutable, shared, passthrough
1504	rc = pMedium->COMGETTER(Type)(&mediumType);
1505	if (FAILED(rc)) return rc;
1506
1507	rc = pMedium->COMGETTER(Location)(bstrLocation.asOutParam());
1508	if (FAILED(rc)) return rc;
1509
1510	MEDIUMTASKMOVE mt;// = {false, "basename", NULL, 0, 0};
1511	mt.strBaseName = bstrLocation;
1512	Utf8Str const &strFolder = m_vmFolders[VBox_SnapshotFolder];
1513
1514	if (strFolder.isNotEmpty() && RTPathStartsWith(mt.strBaseName.c_str(), strFolder.c_str()))
1515	mt.fSnapshot = true;
1516	else
1517	mt.fSnapshot = false;
1518
1519	mt.uIdx = UINT32_MAX;
1520	mt.pMedium = pMedium;
1521	mt.uWeight = (ULONG)((lSize + _1M - 1) / _1M);
1522	mtc.chain.append(mt);
1523
1524	/* Query next parent. */
1525	rc = pMedium->COMGETTER(Parent)(pMedium.asOutParam());
1526	if (FAILED(rc)) return rc;
1527	}
1528
1529	m_llMedias.append(mtc);
1530	}
1531
1532	/* Add the save state files of this machine if there is one. */
1533	rc = addSaveState(machine);
1534	if (FAILED(rc)) return rc;
1535
1536	/* Add the NVRAM files of this machine if there is one. */
1537	rc = addNVRAM(machine);
1538	if (FAILED(rc)) return rc;
1539	}
1540
1541	/* Build up the index list of the image chain. Unfortunately we can't do
1542	* that in the previous loop, cause there we go from child -> parent and
1543	* didn't know how many are between. */
1544	for (size_t i = 0; i < m_llMedias.size(); ++i)
1545	{
1546	uint32_t uIdx = 0;
1547	MEDIUMTASKCHAINMOVE &mtc = m_llMedias.at(i);
1548	for (size_t a = mtc.chain.size(); a > 0; --a)
1549	mtc.chain[a - 1].uIdx = uIdx++;
1550	}
1551
1552	return rc;
1553	}
1554
1555	HRESULT MachineMoveVM::addSaveState(const ComObjPtr<Machine> &machine)
1556	{
1557	Bstr bstrSrcSaveStatePath;
1558	HRESULT rc = machine->COMGETTER(StateFilePath)(bstrSrcSaveStatePath.asOutParam());
1559	if (FAILED(rc)) return rc;
1560	if (!bstrSrcSaveStatePath.isEmpty())
1561	{
1562	SNAPFILETASKMOVE sft;
1563
1564	sft.snapshotUuid = machine->i_getSnapshotId();
1565	sft.strFile = bstrSrcSaveStatePath;
1566	uint64_t cbSize;
1567
1568	int vrc = RTFileQuerySizeByPath(sft.strFile.c_str(), &cbSize);
1569	if (RT_FAILURE(vrc))
1570	return m_pMachine->setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
1571	m_pMachine->tr("Could not get file size of '%s': %Rrc"),
1572	sft.strFile.c_str(),
1573	vrc);
1574
1575	/* same rule as above: count both the data which needs to
1576	* be read and written */
1577	sft.uWeight = (ULONG)(2 * (cbSize + _1M - 1) / _1M);
1578	m_llSaveStateFiles.append(sft);
1579	}
1580	return S_OK;
1581	}
1582
1583	HRESULT MachineMoveVM::addNVRAM(const ComObjPtr<Machine> &machine)
1584	{
1585	ComPtr<IBIOSSettings> pBIOSSettings;
1586	HRESULT rc = machine->COMGETTER(BIOSSettings)(pBIOSSettings.asOutParam());
1587	if (FAILED(rc)) return rc;
1588	Bstr bstrSrcNVRAMPath;
1589	rc = pBIOSSettings->COMGETTER(NonVolatileStorageFile)(bstrSrcNVRAMPath.asOutParam());
1590	if (FAILED(rc)) return rc;
1591	Utf8Str strSrcNVRAMPath(bstrSrcNVRAMPath);
1592	if (!strSrcNVRAMPath.isEmpty() && RTFileExists(strSrcNVRAMPath.c_str()))
1593	{
1594	SNAPFILETASKMOVE sft;
1595
1596	sft.snapshotUuid = machine->i_getSnapshotId();
1597	sft.strFile = strSrcNVRAMPath;
1598	uint64_t cbSize;
1599
1600	int vrc = RTFileQuerySizeByPath(sft.strFile.c_str(), &cbSize);
1601	if (RT_FAILURE(vrc))
1602	return m_pMachine->setErrorBoth(VBOX_E_IPRT_ERROR, vrc,
1603	m_pMachine->tr("Could not get file size of '%s': %Rrc"),
1604	sft.strFile.c_str(),
1605	vrc);
1606
1607	/* same rule as above: count both the data which needs to
1608	* be read and written */
1609	sft.uWeight = (ULONG)(2 * (cbSize + _1M - 1) / _1M);
1610	m_llNVRAMFiles.append(sft);
1611	}
1612	return S_OK;
1613	}
1614
1615	void MachineMoveVM::updateProgressStats(MEDIUMTASKCHAINMOVE &mtc, ULONG &uCount, ULONG &uTotalWeight) const
1616	{
1617
1618	/* Currently the copying of diff images involves reading at least
1619	* the biggest parent in the previous chain. So even if the new
1620	* diff image is small in size, it could need some time to create
1621	* it. Adding the biggest size in the chain should balance this a
1622	* little bit more, i.e. the weight is the sum of the data which
1623	* needs to be read and written. */
1624	ULONG uMaxWeight = 0;
1625	for (size_t e = mtc.chain.size(); e > 0; --e)
1626	{
1627	MEDIUMTASKMOVE &mt = mtc.chain.at(e - 1);
1628	mt.uWeight += uMaxWeight;
1629
1630	/* Calculate progress data */
1631	++uCount;
1632	uTotalWeight += mt.uWeight;
1633
1634	/* Save the max size for better weighting of diff image
1635	* creation. */
1636	uMaxWeight = RT_MAX(uMaxWeight, mt.uWeight);
1637	}
1638	}
1639
1640	HRESULT MachineMoveVM::isMediumTypeSupportedForMoving(const ComPtr<IMedium> &pMedium)
1641	{
1642	Bstr bstrLocation;
1643	HRESULT rc = pMedium->COMGETTER(Location)(bstrLocation.asOutParam());
1644	if (FAILED(rc))
1645	return rc;
1646
1647	DeviceType_T deviceType;
1648	rc = pMedium->COMGETTER(DeviceType)(&deviceType);
1649	if (FAILED(rc))
1650	return rc;
1651
1652	ComPtr<IMediumFormat> mediumFormat;
1653	rc = pMedium->COMGETTER(MediumFormat)(mediumFormat.asOutParam());
1654	if (FAILED(rc))
1655	return rc;
1656
1657	/* Check whether VBox is able to create this medium format or not, i.e. medium can be "read-only" */
1658	Bstr bstrFormatName;
1659	rc = mediumFormat->COMGETTER(Name)(bstrFormatName.asOutParam());
1660	if (FAILED(rc))
1661	return rc;
1662
1663	Utf8Str formatName = Utf8Str(bstrFormatName);
1664	if (formatName.compare("VHDX", Utf8Str::CaseInsensitive) == 0)
1665	{
1666	Log2(("Skipping medium %ls. VHDX format is supported in \"read-only\" mode only.\n", bstrLocation.raw()));
1667	return S_FALSE;
1668	}
1669
1670	/* Check whether medium is represented by file on the disk or not */
1671	ComObjPtr<Medium> pObjMedium = (Medium )(IMedium )pMedium;
1672	if (!pObjMedium->i_isMediumFormatFile())
1673	{
1674	Log2(("Skipping medium %ls because it's not a real file on the disk.\n", bstrLocation.raw()));
1675	return S_FALSE;
1676	}
1677
1678	/* some special checks for DVD */
1679	if (deviceType == DeviceType_DVD)
1680	{
1681	Utf8Str ext = bstrLocation;
1682	/* only ISO image is moved */
1683	if (!ext.endsWith(".iso", Utf8Str::CaseInsensitive))
1684	{
1685	Log2(("Skipping file %ls. Only ISO images are supported for now.\n", bstrLocation.raw()));
1686	return S_FALSE;
1687	}
1688	}
1689
1690	return S_OK;
1691	}

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source: vbox/trunk/src/VBox/Main/src-server/MachineImplMoveVM.cpp@ 86186

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