MachineImplMoveVM.cpp@ 71990

最後變更在這個檔案從71990是 71990,由 vboxsync 提交於 7 年前
bugref:8345. Added a new internal class ErrorInfoItem and a list errorsList. The list is used to store a chain of the errors and to get the initial error if it's needed.
屬性 svn:eol-style 設為 `native` 屬性 svn:keywords 設為 `Author Date Id Revision`
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1	/* $Id: MachineImplMoveVM.cpp 71990 2018-04-24 06:48:25Z vboxsync $ */
2	/** @file
3	* Implementation of MachineMoveVM
4	*/
5
6	/*
7	* Copyright (C) 2011-2017 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.alldomusa.eu.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	#include <iprt/fs.h>
18	#include <iprt/dir.h>
19	#include <iprt/file.h>
20	#include <iprt/path.h>
21	#include <iprt/cpp/utils.h>
22	#include <iprt/stream.h>
23
24	#include "MachineImplMoveVM.h"
25	#include "MediumFormatImpl.h"
26	#include "VirtualBoxImpl.h"
27	#include "Logging.h"
28
29	/* This variable is global and used in the different places so it must be cleared each time before usage to avoid failure */
30	std::vector< ComObjPtr<Machine> > machineList;
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; ++it)
66	{
67	if (it->second.equals(filename))
68	m_list.erase(it);
69	}
70	return rc;
71	}
72
73	HRESULT removeFileFromList(const Utf8Str& path, const Utf8Str& fileName)
74	{
75	HRESULT rc = S_OK;
76	rangeRes_t res = m_list.equal_range(path);
77	for (it_t it=res.first; it!=res.second; ++it)
78	{
79	if (it->second.equals(fileName))
80	m_list.erase(it);
81	}
82	return rc;
83	}
84
85	HRESULT removeFolderFromList(const Utf8Str& path)
86	{
87	HRESULT rc = S_OK;
88	m_list.erase(path);
89	return rc;
90	}
91
92	rangeRes_t getFilesInRange(const Utf8Str& path)
93	{
94	rangeRes_t res;
95	res = m_list.equal_range(path);
96	return res;
97	}
98
99	std::list<Utf8Str> getFilesInList(const Utf8Str& path)
100	{
101	std::list<Utf8Str> list_;
102	rangeRes_t res = m_list.equal_range(path);
103	for (it_t it=res.first; it!=res.second; ++it)
104	list_.push_back(it->second);
105	return list_;
106	}
107
108
109	list_t m_list;
110
111	};
112
113
114	void MachineMoveVM::ErrorInfoItem::printItem(bool fLog) const
115	{
116	if (fLog)
117	{
118	LogRelFunc(("(The error code is %Rrc): %s\n",m_code, m_description.c_str()));
119	}
120	else
121	RTPrintf("(The error code is %Rrc): %s\n",m_code, m_description.c_str());
122	}
123
124	HRESULT MachineMoveVM::init()
125	{
126	HRESULT rc = S_OK;
127
128	errorsList.clear();
129
130	Utf8Str strTargetFolder;
131	/* adding a trailing slash if it's needed */
132	{
133	size_t len = m_targetPath.length() + 2;
134	if (len >=RTPATH_MAX)
135	{
136	Utf8Str errorDesc(" The destination path isn't correct. The length of path exceeded the maximum value.");
137	errorsList.push_back(ErrorInfoItem(VBOX_E_IPRT_ERROR, errorDesc.c_str()));
138	throw m_pMachine->setError(VBOX_E_IPRT_ERROR, m_pMachine->tr(errorDesc.c_str()));
139	}
140
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	try
158	{
159	Utf8Str info;
160	int vrc = 0;
161
162	RTFOFF cbTotal = 0;
163	RTFOFF cbFree = 0;
164	uint32_t cbBlock = 0;
165	uint32_t cbSector = 0;
166
167	vrc = RTFsQuerySizes(strTargetFolder.c_str(), &cbTotal, &cbFree, &cbBlock, &cbSector);
168	if (FAILED(vrc))
169	{
170	RTPrintf("strTargetFolder is %s\n", strTargetFolder.c_str());
171	Utf8StrFmt errorDesc("Unable to move machine. Can't get the destination storage size (%s)",
172	strTargetFolder.c_str());
173	errorsList.push_back(ErrorInfoItem(E_FAIL, errorDesc.c_str()));
174	rc = m_pMachine->setError(E_FAIL, m_pMachine->tr(errorDesc.c_str()));
175	throw rc;
176	}
177
178	RTDIR hDir;
179	Utf8Str strTempFile = strTargetFolder + "test.txt";
180	vrc = RTDirOpen(&hDir, strTargetFolder.c_str());
181	if (FAILED(vrc))
182	throw rc = vrc;
183	else
184	{
185	RTFILE hFile;
186	vrc = RTFileOpen(&hFile, strTempFile.c_str(), RTFILE_O_OPEN_CREATE \| RTFILE_O_READWRITE \| RTFILE_O_DENY_NONE);
187	if (FAILED(vrc))
188	{
189	LogRelFunc(("Can't create a test file %s (The error is %Rrc)\n", strTempFile.c_str(), vrc));
190	Utf8StrFmt errorDesc("Can't create a test file test.txt in the %s. Check the access rights of "
191	"the destination folder.", strTargetFolder.c_str());
192	errorsList.push_back(ErrorInfoItem(vrc, errorDesc.c_str()));
193	rc = m_pMachine->setError(vrc, m_pMachine->tr(errorDesc.c_str()));
194
195	}
196
197	RTFileClose(hFile);
198	RTFileDelete(strTempFile.c_str());
199	RTDirClose(hDir);
200	}
201
202	long long totalFreeSpace = cbFree;
203	long long totalSpace = cbTotal;
204	info = Utf8StrFmt("blocks: total %lld, free %u ", cbTotal, cbFree);
205	LogRelFunc(("%s \n", info.c_str()));
206	LogRelFunc(("total space (Kb) %lld (Mb) %lld (Gb) %lld\n",
207	totalSpace/1024, totalSpace/(10241024), totalSpace/(10241024*1024)));
208	LogRelFunc(("total free space (Kb) %lld (Mb) %lld (Gb) %lld\n",
209	totalFreeSpace/1024, totalFreeSpace/(10241024), totalFreeSpace/(10241024*1024)));
210
211	RTFSPROPERTIES properties;
212	vrc = RTFsQueryProperties(strTargetFolder.c_str(), &properties);
213	if (FAILED(vrc)) throw vrc;
214	info = Utf8StrFmt("disk properties:\n"
215	"remote: %s \n"
216	"read only: %s \n"
217	"compressed: %s \n",
218	properties.fRemote == true ? "true":"false",
219	properties.fReadOnly == true ? "true":"false",
220	properties.fCompressed == true ? "true":"false");
221
222	LogRelFunc(("%s \n", info.c_str()));
223
224	/* Get the original VM path */
225	Utf8Str strSettingsFilePath;
226	Bstr bstr_settingsFilePath;
227	m_pMachine->COMGETTER(SettingsFilePath)(bstr_settingsFilePath.asOutParam());
228	strSettingsFilePath = bstr_settingsFilePath;
229	strSettingsFilePath.stripFilename();
230
231	vmFolders.insert(std::make_pair(VBox_SettingFolder, strSettingsFilePath));
232
233	/* Collect all files from the VM's folder */
234	fileList_t fullFileList;
235	rc = getFilesList(strSettingsFilePath, fullFileList);
236	if (FAILED(rc)) throw rc;
237
238	/*
239	* Collect all known folders used by the VM:
240	* - log folder;
241	* - state folder;
242	* - snapshot folder.
243	*/
244	Utf8Str strLogFolder;
245	Bstr bstr_logFolder;
246	m_pMachine->COMGETTER(LogFolder)(bstr_logFolder.asOutParam());
247	strLogFolder = bstr_logFolder;
248	if ( m_type.equals("basic")
249	&& strLogFolder.contains(strSettingsFilePath))
250	{
251	vmFolders.insert(std::make_pair(VBox_LogFolder, strLogFolder));
252	}
253
254	Utf8Str strStateFilePath;
255	Bstr bstr_stateFilePath;
256	MachineState_T machineState;
257	rc = m_pMachine->COMGETTER(State)(&machineState);
258	if (FAILED(rc)) throw rc;
259	else if (machineState == MachineState_Saved)
260	{
261	m_pMachine->COMGETTER(StateFilePath)(bstr_stateFilePath.asOutParam());
262	strStateFilePath = bstr_stateFilePath;
263	strStateFilePath.stripFilename();
264	if ( m_type.equals("basic")
265	&& strStateFilePath.contains(strSettingsFilePath))
266	vmFolders.insert(std::make_pair(VBox_StateFolder, strStateFilePath));//Utf8Str(bstr_stateFilePath)));
267	}
268
269	Utf8Str strSnapshotFolder;
270	Bstr bstr_snapshotFolder;
271	m_pMachine->COMGETTER(SnapshotFolder)(bstr_snapshotFolder.asOutParam());
272	strSnapshotFolder = bstr_snapshotFolder;
273	if ( m_type.equals("basic")
274	&& strSnapshotFolder.contains(strSettingsFilePath))
275	vmFolders.insert(std::make_pair(VBox_SnapshotFolder, strSnapshotFolder));
276
277	if (m_pMachine->i_isSnapshotMachine())
278	{
279	Bstr bstrSrcMachineId;
280	rc = m_pMachine->COMGETTER(Id)(bstrSrcMachineId.asOutParam());
281	if (FAILED(rc)) throw rc;
282	ComPtr<IMachine> newSrcMachine;
283	rc = m_pMachine->i_getVirtualBox()->FindMachine(bstrSrcMachineId.raw(), newSrcMachine.asOutParam());
284	if (FAILED(rc)) throw rc;
285	}
286
287	/* Add the current machine and all snapshot machines below this machine
288	* in a list for further processing.
289	*/
290
291	long long neededFreeSpace = 0;
292
293	/* Actual file list */
294	fileList_t actualFileList;
295	Utf8Str strTargetImageName;
296
297	/* Global variable (defined at the beginning of file), so clear it before usage */
298	machineList.clear();
299	machineList.push_back(m_pMachine);
300
301	{
302	ULONG cSnapshots = 0;
303	rc = m_pMachine->COMGETTER(SnapshotCount)(&cSnapshots);
304	if (FAILED(rc)) throw rc;
305	if (cSnapshots > 0)
306	{
307	Utf8Str id;
308	if (m_pMachine->i_isSnapshotMachine())
309	id = m_pMachine->i_getSnapshotId().toString();
310	ComPtr<ISnapshot> pSnapshot;
311	rc = m_pMachine->FindSnapshot(Bstr(id).raw(), pSnapshot.asOutParam());
312	if (FAILED(rc)) throw rc;
313	rc = createMachineList(pSnapshot, machineList);
314	if (FAILED(rc)) throw rc;
315	}
316	}
317
318	ULONG uCount = 1;//looks like it should be initialized by 1. See assertion in the Progress::setNextOperation()
319	ULONG uTotalWeight = 1;
320
321	/* The lists llMedias and llSaveStateFiles are filled in the queryMediasForAllStates() */
322	queryMediasForAllStates(machineList);
323
324	{
325	uint64_t totalMediumsSize = 0;
326
327	for (size_t i = 0; i < llMedias.size(); ++i)
328	{
329	LONG64 cbSize = 0;
330	MEDIUMTASKCHAINMOVE &mtc = llMedias.at(i);
331	for (size_t a = mtc.chain.size(); a > 0; --a)
332	{
333	Bstr bstrLocation;
334	Utf8Str strLocation;
335	Utf8Str name = mtc.chain[a - 1].strBaseName;
336	ComPtr<IMedium> plMedium = mtc.chain[a - 1].pMedium;
337	rc = plMedium->COMGETTER(Location)(bstrLocation.asOutParam());
338	if (FAILED(rc)) throw rc;
339	strLocation = bstrLocation;
340
341	/if an image is located in the actual VM folder it will be added to the actual list /
342	if (strLocation.contains(strSettingsFilePath))
343	{
344	rc = plMedium->COMGETTER(Size)(&cbSize);
345	if (FAILED(rc)) throw rc;
346
347	std::pair<std::map<Utf8Str, MEDIUMTASKMOVE>::iterator,bool> ret;
348	ret = finalMediumsMap.insert(std::make_pair(name, mtc.chain[a - 1]));
349	if (ret.second == true)
350	{
351	/* Calculate progress data */
352	++uCount;
353	uTotalWeight += mtc.chain[a - 1].uWeight;
354	totalMediumsSize += cbSize;
355	LogRelFunc(("Image %s was added into the moved list\n", name.c_str()));
356	}
357	}
358	}
359	}
360
361	LogRelFunc(("Total Size of images is %lld bytes\n", totalMediumsSize));
362	neededFreeSpace += totalMediumsSize;
363	}
364
365	/* Prepare data for moving ".sav" files */
366	{
367	uint64_t totalStateSize = 0;
368
369	for (size_t i = 0; i < llSaveStateFiles.size(); ++i)
370	{
371	uint64_t cbFile = 0;
372	SAVESTATETASKMOVE &sst = llSaveStateFiles.at(i);
373
374	Utf8Str name = sst.strSaveStateFile;
375	/if a state file is located in the actual VM folder it will be added to the actual list /
376	if (name.contains(strSettingsFilePath))
377	{
378	vrc = RTFileQuerySize(name.c_str(), &cbFile);
379	if (RT_SUCCESS(vrc))
380	{
381	std::pair<std::map<Utf8Str, SAVESTATETASKMOVE>::iterator,bool> ret;
382	ret = finalSaveStateFilesMap.insert(std::make_pair(name, sst));
383	if (ret.second == true)
384	{
385	totalStateSize += cbFile;
386	++uCount;
387	uTotalWeight += sst.uWeight;
388	LogRelFunc(("The state file %s was added into the moved list\n", name.c_str()));
389	}
390	}
391	else
392	LogRelFunc(("The state file %s wasn't added into the moved list. Couldn't get the file size.\n",
393	name.c_str()));
394	}
395	}
396
397	neededFreeSpace += totalStateSize;
398	}
399
400	/* Prepare data for moving the log files */
401	{
402	Utf8Str strFolder = vmFolders[VBox_LogFolder];
403
404	if (RTPathExists(strFolder.c_str()))
405	{
406	uint64_t totalLogSize = 0;
407	rc = getFolderSize(strFolder, totalLogSize);
408	if (SUCCEEDED(rc))
409	{
410	neededFreeSpace += totalLogSize;
411	if (totalFreeSpace - neededFreeSpace <= 1024*1024)
412	{
413	throw VERR_OUT_OF_RESOURCES;//less than 1Mb free space on the target location
414	}
415
416	fileList_t filesList;
417	getFilesList(strFolder, filesList);
418	cit_t it = filesList.m_list.begin();
419	while(it != filesList.m_list.end())
420	{
421	Utf8Str strFile = it->first.c_str();
422	strFile.append(RTPATH_DELIMITER).append(it->second.c_str());
423
424	uint64_t cbFile = 0;
425	vrc = RTFileQuerySize(strFile.c_str(), &cbFile);
426	if (RT_SUCCESS(vrc))
427	{
428	uCount += 1;
429	uTotalWeight += (ULONG)((cbFile + _1M - 1) / _1M);
430	actualFileList.add(strFile);
431	LogRelFunc(("The log file %s added into the moved list\n", strFile.c_str()));
432	}
433	else
434	LogRelFunc(("The log file %s wasn't added into the moved list. Couldn't get the file size."
435	"\n", strFile.c_str()));
436	++it;
437	}
438	}
439	}
440	else
441	{
442	LogRelFunc(("Information: The original log folder %s doesn't exist\n", strFolder.c_str()));
443	rc = S_OK;//it's not error in this case if there isn't an original log folder
444	}
445	}
446
447	LogRelFunc(("Total space needed is %lld bytes\n", neededFreeSpace));
448	/* Check a target location on enough room */
449	if (totalFreeSpace - neededFreeSpace <= 1024*1024)
450	{
451	LogRelFunc(("but free space on destination is %lld\n", totalFreeSpace));
452	throw VERR_OUT_OF_RESOURCES;//less than 1Mb free space on the target location
453	}
454
455	/* Add step for .vbox machine setting file */
456	{
457	++uCount;
458	uTotalWeight += 1;
459	}
460
461	/* Reserve additional steps in case of failure and rollback all changes */
462	{
463	uTotalWeight += uCount;//just add 1 for each possible rollback operation
464	uCount += uCount;//and increase the steps twice
465	}
466
467	/* Init Progress instance */
468	{
469	rc = m_pProgress->init(m_pMachine->i_getVirtualBox(),
470	static_cast<IMachine>(m_pMachine) / aInitiator */,
471	Bstr(m_pMachine->tr("Moving Machine")).raw(),
472	true /* fCancellable */,
473	uCount,
474	uTotalWeight,
475	Bstr(m_pMachine->tr("Initialize Moving")).raw(),
476	1);
477	if (FAILED(rc))
478	{
479	Utf8StrFmt errorDesc("Couldn't correctly setup the progress object for moving VM operation (%Rrc)", rc);
480	errorsList.push_back(ErrorInfoItem(VBOX_E_IPRT_ERROR, errorDesc.c_str()));
481
482	throw m_pMachine->setError(VBOX_E_IPRT_ERROR,m_pMachine->tr(errorDesc.c_str()));
483	}
484	}
485
486	/* save all VM data */
487	m_pMachine->i_setModified(Machine::IsModified_MachineData);
488	rc = m_pMachine->SaveSettings();
489	}
490	catch(HRESULT hrc)
491	{
492	rc = hrc;
493	}
494
495	LogFlowFuncLeave();
496
497	return rc;
498	}
499
500	void MachineMoveVM::printStateFile(settings::SnapshotsList &snl)
501	{
502	settings::SnapshotsList::iterator it;
503	for (it = snl.begin(); it != snl.end(); ++it)
504	{
505	if (!it->strStateFile.isEmpty())
506	{
507	settings::Snapshot snap = (settings::Snapshot)(*it);
508	LogRelFunc(("snap.uuid = %s\n", snap.uuid.toStringCurly().c_str()));
509	LogRelFunc(("snap.strStateFile = %s\n", snap.strStateFile.c_str()));
510	}
511
512	if (!it->llChildSnapshots.empty())
513	printStateFile(it->llChildSnapshots);
514	}
515	}
516
517	/* static */
518	DECLCALLBACK(int) MachineMoveVM::updateProgress(unsigned uPercent, void *pvUser)
519	{
520	MachineMoveVM* pTask = (MachineMoveVM*)pvUser;
521
522	if ( pTask
523	&& !pTask->m_pProgress.isNull())
524	{
525	BOOL fCanceled;
526	pTask->m_pProgress->COMGETTER(Canceled)(&fCanceled);
527	if (fCanceled)
528	return -1;
529	pTask->m_pProgress->SetCurrentOperationProgress(uPercent);
530	}
531	return VINF_SUCCESS;
532	}
533
534	/* static */
535	DECLCALLBACK(int) MachineMoveVM::copyFileProgress(unsigned uPercentage, void *pvUser)
536	{
537	ComObjPtr<Progress> pProgress = static_cast< ComObjPtr<Progress> >(pvUser);
538
539	BOOL fCanceled = false;
540	HRESULT rc = pProgress->COMGETTER(Canceled)(&fCanceled);
541	if (FAILED(rc)) return VERR_GENERAL_FAILURE;
542	/* If canceled by the user tell it to the copy operation. */
543	if (fCanceled) return VERR_CANCELLED;
544	/* Set the new process. */
545	rc = pProgress->SetCurrentOperationProgress(uPercentage);
546	if (FAILED(rc)) return VERR_GENERAL_FAILURE;
547
548	return VINF_SUCCESS;
549	}
550
551
552	/* static */
553	void MachineMoveVM::i_MoveVMThreadTask(MachineMoveVM* task)
554	{
555	LogFlowFuncEnter();
556	HRESULT rc = S_OK;
557
558	MachineMoveVM* taskMoveVM = task;
559	ComObjPtr<Machine> &machine = taskMoveVM->m_pMachine;
560
561	AutoCaller autoCaller(machine);
562	// if (FAILED(autoCaller.rc())) return;//Should we return something here?
563
564	Utf8Str strTargetFolder = taskMoveVM->m_targetPath;
565	{
566	Bstr bstrMachineName;
567	machine->COMGETTER(Name)(bstrMachineName.asOutParam());
568	strTargetFolder.append(Utf8Str(bstrMachineName));
569	}
570
571	RTCList<Utf8Str> newFiles; /* All extra created files (save states, ...) */
572	RTCList<Utf8Str> originalFiles; /* All original files except images */
573	typedef std::map<Utf8Str, ComObjPtr<Medium> > MediumMap;
574	MediumMap mapOriginalMedium;
575
576	/*
577	* We have the couple modes which user is able to request
578	* basic mode:
579	* - The images which are solely attached to the VM
580	* and located in the original VM folder will be moved.
581	* All subfolders related to the original VM are also moved from the original location
582	* (Standard - snapshots and logs folders).
583	*
584	* canonical mode:
585	* - All disks tied with the VM will be moved into a new location if it's possible.
586	* All folders related to the original VM are also moved.
587	* This mode is intended to collect all files/images/snapshots related to the VM in the one place.
588	*
589	*/
590
591	/*
592	* A way to handle shareable disk:
593	* Collect the shareable disks attched to the VM.
594	* Get the machines whom the shareable disks attach to.
595	* Return an error if the state of any VM doesn't allow to move a shareable disk and
596	* this disk is located in the VM's folder (it means the disk is intended for "moving").
597	*/
598
599
600	/*
601	* Check new destination whether enough room for the VM or not. if "not" return an error.
602	* Make a copy of VM settings and a list with all files which are moved. Save the list on the disk.
603	* Start "move" operation.
604	* Check the result of operation.
605	* if the operation was successful:
606	* - delete all files in the original VM folder;
607	* - update VM disks info with new location;
608	* - update all other VM if it's needed;
609	* - update global settings
610	*/
611
612	try
613	{
614	/* Move all disks */
615	rc = taskMoveVM->moveAllDisks(taskMoveVM->finalMediumsMap, &strTargetFolder);
616	if (FAILED(rc))
617	throw rc;
618
619	/* Get Machine::Data here because moveAllDisks() change it */
620	Machine::Data *machineData = machine->mData.data();
621	settings::MachineConfigFile *machineConfFile = machineData->pMachineConfigFile;
622
623	/* Copy all save state files. */
624	Utf8Str strTrgSnapshotFolder;
625	{
626	/* When the current snapshot folder is absolute we reset it to the
627	* default relative folder. */
628	if (RTPathStartsWithRoot((*machineConfFile).machineUserData.strSnapshotFolder.c_str()))
629	(*machineConfFile).machineUserData.strSnapshotFolder = "Snapshots";
630	(*machineConfFile).strStateFile = "";
631
632	/* The absolute name of the snapshot folder. */
633	strTrgSnapshotFolder = Utf8StrFmt("%s%c%s", strTargetFolder.c_str(), RTPATH_DELIMITER,
634	(*machineConfFile).machineUserData.strSnapshotFolder.c_str());
635
636	/* Check if a snapshot folder is necessary and if so doesn't already
637	* exists. */
638	if ( taskMoveVM->finalSaveStateFilesMap.size() != 0
639	&& !RTDirExists(strTrgSnapshotFolder.c_str()))
640	{
641	int vrc = RTDirCreateFullPath(strTrgSnapshotFolder.c_str(), 0700);
642	if (RT_FAILURE(vrc))
643	{
644	Utf8StrFmt errorDesc("Could not create snapshots folder '%s' (%Rrc)", strTrgSnapshotFolder.c_str(), vrc);
645	taskMoveVM->errorsList.push_back(ErrorInfoItem(VBOX_E_IPRT_ERROR, errorDesc.c_str()));
646
647	throw machine->setError(VBOX_E_IPRT_ERROR,machine->tr(errorDesc.c_str()));
648	}
649	}
650
651	std::map<Utf8Str, SAVESTATETASKMOVE>::iterator itState = taskMoveVM->finalSaveStateFilesMap.begin();
652	while (itState != taskMoveVM->finalSaveStateFilesMap.end())
653	{
654	const SAVESTATETASKMOVE &sst = itState->second;
655	const Utf8Str &strTrgSaveState = Utf8StrFmt("%s%c%s", strTrgSnapshotFolder.c_str(), RTPATH_DELIMITER,
656	RTPathFilename(sst.strSaveStateFile.c_str()));
657
658	/* Move to next sub-operation. */
659	rc = taskMoveVM->m_pProgress->SetNextOperation(BstrFmt(machine->tr("Copy the save state file '%s' ..."),
660	RTPathFilename(sst.strSaveStateFile.c_str())).raw(), sst.uWeight);
661	if (FAILED(rc)) throw rc;
662
663	int vrc = RTFileCopyEx(sst.strSaveStateFile.c_str(), strTrgSaveState.c_str(), 0,
664	MachineMoveVM::copyFileProgress, &taskMoveVM->m_pProgress);
665	if (RT_FAILURE(vrc))
666	{
667	Utf8StrFmt errorDesc("Could not copy state file '%s' to '%s' (%Rrc)",
668	sst.strSaveStateFile.c_str(), strTrgSaveState.c_str(), vrc);
669	taskMoveVM->errorsList.push_back(ErrorInfoItem(VBOX_E_IPRT_ERROR, errorDesc.c_str()));
670
671	throw machine->setError(VBOX_E_IPRT_ERROR,machine->tr(errorDesc.c_str()));
672	}
673
674	/* save new file in case of restoring */
675	newFiles.append(strTrgSaveState);
676	/* save original file for deletion in the end */
677	originalFiles.append(sst.strSaveStateFile);
678	++itState;
679	}
680	}
681
682	/*
683	* Update state file path
684	* very important step!
685	* Not obvious how to do it correctly.
686	*/
687	{
688	LogRelFunc(("Update state file path\n"));
689	rc = taskMoveVM->updatePathsToStateFiles(taskMoveVM->finalSaveStateFilesMap,
690	taskMoveVM->vmFolders[VBox_SettingFolder],
691	strTargetFolder);
692	if (FAILED(rc))
693	throw rc;
694	}
695
696	/*
697	* Moving Machine settings file
698	* The settings file are moved after all disks and snapshots because this file should be updated
699	* with actual information and only then should be moved.
700	*/
701	{
702	LogRelFunc(("Copy Machine settings file \n"));
703
704	rc = taskMoveVM->m_pProgress->SetNextOperation(BstrFmt(machine->tr("Copy Machine settings file '%s' ..."),
705	(*machineConfFile).machineUserData.strName.c_str()).raw(), 1);
706	if (FAILED(rc)) throw rc;
707
708	Utf8Str strTargetSettingsFilePath = strTargetFolder;
709
710	/* Check a folder existing and create one if it's not */
711	if (!RTDirExists(strTargetSettingsFilePath.c_str()))
712	{
713	int vrc = RTDirCreateFullPath(strTargetSettingsFilePath.c_str(), 0700);
714	if (RT_FAILURE(vrc))
715	{
716	Utf8StrFmt errorDesc("Could not create a home machine folder '%s' (%Rrc)",
717	strTargetSettingsFilePath.c_str(), vrc);
718	taskMoveVM->errorsList.push_back(ErrorInfoItem(VBOX_E_IPRT_ERROR, errorDesc.c_str()));
719
720	throw machine->setError(VBOX_E_IPRT_ERROR,machine->tr(errorDesc.c_str()));
721	}
722	LogRelFunc(("Created a home machine folder %s\n", strTargetSettingsFilePath.c_str()));
723	}
724
725	/* Create a full path */
726	Bstr bstrMachineName;
727	machine->COMGETTER(Name)(bstrMachineName.asOutParam());
728	strTargetSettingsFilePath.append(RTPATH_DELIMITER).append(Utf8Str(bstrMachineName));
729	strTargetSettingsFilePath.append(".vbox");
730
731	Utf8Str strSettingsFilePath;
732	Bstr bstr_settingsFilePath;
733	machine->COMGETTER(SettingsFilePath)(bstr_settingsFilePath.asOutParam());
734	strSettingsFilePath = bstr_settingsFilePath;
735
736	int vrc = RTFileCopyEx(strSettingsFilePath.c_str(), strTargetSettingsFilePath.c_str(), 0,
737	MachineMoveVM::copyFileProgress, &taskMoveVM->m_pProgress);
738	if (RT_FAILURE(vrc))
739	{
740	Utf8StrFmt errorDesc("Could not copy the setting file '%s' to '%s' (%Rrc)",
741	strSettingsFilePath.c_str(), strTargetSettingsFilePath.stripFilename().c_str(), vrc);
742	taskMoveVM->errorsList.push_back(ErrorInfoItem(VBOX_E_IPRT_ERROR, errorDesc.c_str()));
743
744	throw machine->setError(VBOX_E_IPRT_ERROR, machine->tr(errorDesc.c_str()));
745	}
746
747	LogRelFunc(("The setting file %s has been copied into the folder %s\n", strSettingsFilePath.c_str(),
748	strTargetSettingsFilePath.stripFilename().c_str()));
749
750	/* save new file in case of restoring */
751	newFiles.append(strTargetSettingsFilePath);
752	/* save original file for deletion in the end */
753	originalFiles.append(strSettingsFilePath);
754	}
755
756	/* Moving Machine log files */
757	{
758	LogRelFunc(("Copy machine log files \n"));
759
760	if (taskMoveVM->vmFolders[VBox_LogFolder].isNotEmpty())
761	{
762	/* Check an original log folder existence */
763	if (RTDirExists(taskMoveVM->vmFolders[VBox_LogFolder].c_str()))
764	{
765	Utf8Str strTargetLogFolderPath = strTargetFolder;
766	strTargetLogFolderPath.append(RTPATH_DELIMITER).append("Logs");
767
768	/* Check a destination log folder existence and create one if it's not */
769	if (!RTDirExists(strTargetLogFolderPath.c_str()))
770	{
771	int vrc = RTDirCreateFullPath(strTargetLogFolderPath.c_str(), 0700);
772	if (RT_FAILURE(vrc))
773	{
774	Utf8StrFmt errorDesc("Could not create log folder '%s' (%Rrc)",
775	strTargetLogFolderPath.c_str(), vrc);
776	taskMoveVM->errorsList.push_back(ErrorInfoItem(VBOX_E_IPRT_ERROR, errorDesc.c_str()));
777
778	throw machine->setError(VBOX_E_IPRT_ERROR,machine->tr(errorDesc.c_str()));
779	}
780	LogRelFunc(("Created a log machine folder %s\n", strTargetLogFolderPath.c_str()));
781	}
782
783	fileList_t filesList;
784	taskMoveVM->getFilesList(taskMoveVM->vmFolders[VBox_LogFolder], filesList);
785	cit_t it = filesList.m_list.begin();
786	while(it != filesList.m_list.end())
787	{
788	Utf8Str strFullSourceFilePath = it->first.c_str();
789	strFullSourceFilePath.append(RTPATH_DELIMITER).append(it->second.c_str());
790
791	Utf8Str strFullTargetFilePath = strTargetLogFolderPath;
792	strFullTargetFilePath.append(RTPATH_DELIMITER).append(it->second.c_str());
793
794	/* Move to next sub-operation. */
795	rc = taskMoveVM->m_pProgress->SetNextOperation(BstrFmt(machine->tr("Copying the log file '%s' ..."),
796	RTPathFilename(strFullSourceFilePath.c_str())).raw(), 1);
797	if (FAILED(rc)) throw rc;
798
799	int vrc = RTFileCopyEx(strFullSourceFilePath.c_str(), strFullTargetFilePath.c_str(), 0,
800	MachineMoveVM::copyFileProgress, &taskMoveVM->m_pProgress);
801	if (RT_FAILURE(vrc))
802	{
803	Utf8StrFmt errorDesc("Could not copy the log file '%s' to '%s' (%Rrc)",
804	strFullSourceFilePath.c_str(),
805	strFullTargetFilePath.stripFilename().c_str(),
806	vrc);
807	taskMoveVM->errorsList.push_back(ErrorInfoItem(VBOX_E_IPRT_ERROR, errorDesc.c_str()));
808
809	throw machine->setError(VBOX_E_IPRT_ERROR,machine->tr(errorDesc.c_str()));
810	}
811
812	LogRelFunc(("The log file %s has been copied into the folder %s\n", strFullSourceFilePath.c_str(),
813	strFullTargetFilePath.stripFilename().c_str()));
814
815	/* save new file in case of restoring */
816	newFiles.append(strFullTargetFilePath);
817	/* save original file for deletion in the end */
818	originalFiles.append(strFullSourceFilePath);
819
820	++it;
821	}
822	}
823	}
824	}
825
826	/* save all VM data */
827	{
828	rc = machine->SaveSettings();
829	}
830
831	{
832	LogRelFunc(("Update path to XML setting file\n"));
833	Utf8Str strTargetSettingsFilePath = strTargetFolder;
834	Bstr bstrMachineName;
835	machine->COMGETTER(Name)(bstrMachineName.asOutParam());
836	strTargetSettingsFilePath.append(RTPATH_DELIMITER).append(Utf8Str(bstrMachineName)).append(".vbox");
837	machineData->m_strConfigFileFull = strTargetSettingsFilePath;
838	machine->mParent->i_copyPathRelativeToConfig(strTargetSettingsFilePath, machineData->m_strConfigFile);
839	}
840
841	/* Save global settings in the VirtualBox.xml */
842	{
843	/* Marks the global registry for uuid as modified */
844	Guid uuid = machine->mData->mUuid;
845	machine->mParent->i_markRegistryModified(uuid);
846
847	/* for saving the global settings we should hold only the VirtualBox lock */
848	AutoWriteLock vboxLock(machine->mParent COMMA_LOCKVAL_SRC_POS);
849
850	rc = machine->mParent->i_saveSettings();
851	}
852	}
853	catch(HRESULT hrc)
854	{
855	LogRelFunc(("Moving machine to a new destination was failed. Check original and destination places.\n"));
856	rc = hrc;
857	taskMoveVM->result = rc;
858	}
859	catch (...)
860	{
861	LogRelFunc(("Moving machine to a new destination was failed. Check original and destination places.\n"));
862	rc = VirtualBoxBase::handleUnexpectedExceptions(machine, RT_SRC_POS);
863	taskMoveVM->result = rc;
864	}
865
866	/* Cleanup on failure */
867	if (FAILED(rc))
868	{
869	Machine::Data *machineData = machine->mData.data();
870
871	/* ! Apparently we should update the Progress object !*/
872	ULONG operationCount = 0;
873	rc = taskMoveVM->m_pProgress->COMGETTER(OperationCount)(&operationCount);
874	ULONG operation = 0;
875	rc = taskMoveVM->m_pProgress->COMGETTER(Operation)(&operation);
876	Bstr bstrOperationDescription;
877	rc = taskMoveVM->m_pProgress->COMGETTER(OperationDescription)(bstrOperationDescription.asOutParam());
878	Utf8Str strOperationDescription = bstrOperationDescription;
879	ULONG operationPercent = 0;
880	rc = taskMoveVM->m_pProgress->COMGETTER(OperationPercent)(&operationPercent);
881
882	Bstr bstrMachineName;
883	machine->COMGETTER(Name)(bstrMachineName.asOutParam());
884	LogRelFunc(("Moving machine %s was failed on operation %s\n",
885	Utf8Str(bstrMachineName.raw()).c_str(), Utf8Str(bstrOperationDescription.raw()).c_str()));
886
887	/* Restoring the original mediums */
888	try
889	{
890	/*
891	* Fix the progress count
892	* In instance, the whole "move vm" operation is failed on 9th step. But total count is 20.
893	* Where 20 = 2 * 10 operations, where 10 is the real number of operations. And this value was doubled
894	* earlier in the init() exactly for one reason - rollback operation. Because in this case we must do
895	* the same operations but in backward direction.
896	* Thus now we want to correct progress operation count from 9 to 11. Why?
897	* Because we should have evaluated count as "20/2 + (20/2 - 9)" = 11 or just "20 - 9" = 11
898	*/
899	for (ULONG i = operation; i < operationCount - operation; ++i)
900	{
901	rc = taskMoveVM->m_pProgress->SetNextOperation(BstrFmt("Skip the empty operation %d...", i + 1).raw(), 1);
902	if (FAILED(rc)) throw rc;
903	}
904
905	rc = taskMoveVM->moveAllDisks(taskMoveVM->finalMediumsMap);
906	if (FAILED(rc))
907	throw rc;
908	}
909	catch(HRESULT hrc)
910	{
911	LogRelFunc(("Rollback scenario: restoration the original mediums were failed. Machine can be corrupted.\n"));
912	taskMoveVM->result = hrc;
913	}
914	catch (...)
915	{
916	LogRelFunc(("Rollback scenario: restoration the original mediums were failed. Machine can be corrupted.\n"));
917	rc = VirtualBoxBase::handleUnexpectedExceptions(machine, RT_SRC_POS);
918	taskMoveVM->result = rc;
919	}
920
921	/* Revert original paths to the state files */
922	rc = taskMoveVM->updatePathsToStateFiles(taskMoveVM->finalSaveStateFilesMap,
923	strTargetFolder,
924	taskMoveVM->vmFolders[VBox_SettingFolder]);
925	if (FAILED(rc))
926	{
927	LogRelFunc(("Rollback scenario: can't restore the original paths to the state files. "
928	"Machine settings %s can be corrupted.\n", machineData->m_strConfigFileFull.c_str()));
929	}
930
931	/* Delete all created files. Here we update progress object */
932	rc = taskMoveVM->deleteFiles(newFiles);
933	if (FAILED(rc))
934	LogRelFunc(("Rollback scenario: can't delete new created files. Check the destination folder."));
935
936	/* Delete destination folder */
937	RTDirRemove(strTargetFolder.c_str());
938
939	/* save all VM data */
940	{
941	AutoWriteLock srcLock(machine COMMA_LOCKVAL_SRC_POS);
942	srcLock.release();
943	rc = machine->SaveSettings();
944	srcLock.acquire();
945	}
946
947	/* Restore an original path to XML setting file */
948	{
949	LogRelFunc(("Rollback scenario: Restore an original path to XML setting file\n"));
950	Utf8Str strOriginalSettingsFilePath = taskMoveVM->vmFolders[VBox_SettingFolder];
951	strOriginalSettingsFilePath.append(RTPATH_DELIMITER).append(Utf8Str(bstrMachineName)).append(".vbox");
952	machineData->m_strConfigFileFull = strOriginalSettingsFilePath;
953	machine->mParent->i_copyPathRelativeToConfig(strOriginalSettingsFilePath, machineData->m_strConfigFile);
954	}
955
956	/* Marks the global registry for uuid as modified */
957	{
958	AutoWriteLock srcLock(machine COMMA_LOCKVAL_SRC_POS);
959	srcLock.release();
960	Guid uuid = machine->mData->mUuid;
961	machine->mParent->i_markRegistryModified(uuid);
962	srcLock.acquire();
963
964	// save the global settings; for that we should hold only the VirtualBox lock
965	AutoWriteLock vboxLock(machine->mParent COMMA_LOCKVAL_SRC_POS);
966	rc = machine->mParent->i_saveSettings();
967	}
968
969	/* In case of failure the progress object on the other side (user side) get notification about operation
970	completion but the operation percentage may not be set to 100% */
971	}
972	else /Operation was successful and now we can delete the original files like the state files, XML setting, log files /
973	{
974	/*
975	* In case of success it's not urgent to update the progress object because we call i_notifyComplete() with
976	* the success result. As result, the last number of progress operation can be not equal the number of operations
977	* because we doubled the number of operations for rollback case.
978	* But if we want to update the progress object corectly it's needed to add all medium moved by standard
979	* "move medium" logic (for us it's taskMoveVM->finalMediumsMap) to the current number of operation.
980	*/
981
982	ULONG operationCount = 0;
983	rc = taskMoveVM->m_pProgress->COMGETTER(OperationCount)(&operationCount);
984	ULONG operation = 0;
985	rc = taskMoveVM->m_pProgress->COMGETTER(Operation)(&operation);
986
987	for (ULONG i = operation; i < operation + taskMoveVM->finalMediumsMap.size() - 1; ++i)
988	{
989	rc = taskMoveVM->m_pProgress->SetNextOperation(BstrFmt("Skip the empty operation %d...", i).raw(), 1);
990	if (FAILED(rc)) throw rc;
991	}
992
993	rc = taskMoveVM->deleteFiles(originalFiles);
994	if (FAILED(rc))
995	LogRelFunc(("Forward scenario: can't delete all original files.\n"));
996	}
997
998	if (!taskMoveVM->m_pProgress.isNull())
999	{
1000	/* Set the first error happened */
1001	if (!taskMoveVM->errorsList.empty())
1002	{
1003	ErrorInfoItem ei = taskMoveVM->errorsList.front();
1004	machine->setError(ei.m_code, machine->tr(ei.m_description.c_str()));
1005	}
1006
1007	taskMoveVM->m_pProgress->i_notifyComplete(taskMoveVM->result);
1008	}
1009
1010	LogFlowFuncLeave();
1011	}
1012
1013	HRESULT MachineMoveVM::moveAllDisks(const std::map<Utf8Str, MEDIUMTASKMOVE>& listOfDisks,
1014	const Utf8Str* strTargetFolder)
1015	{
1016	HRESULT rc = S_OK;
1017	ComObjPtr<Machine> &machine = m_pMachine;
1018	Utf8Str strLocation;
1019
1020	AutoWriteLock machineLock(machine COMMA_LOCKVAL_SRC_POS);
1021
1022	try{
1023	std::map<Utf8Str, MEDIUMTASKMOVE>::const_iterator itMedium = listOfDisks.begin();
1024	while(itMedium != listOfDisks.end())
1025	{
1026	const MEDIUMTASKMOVE &mt = itMedium->second;
1027	ComPtr<IMedium> pMedium = mt.pMedium;
1028	Utf8Str strTargetImageName;
1029	Bstr bstrLocation;
1030	Bstr bstrSrcName;
1031
1032	rc = pMedium->COMGETTER(Name)(bstrSrcName.asOutParam());
1033	if (FAILED(rc)) throw rc;
1034
1035	if (strTargetFolder != NULL && !strTargetFolder->isEmpty())
1036	{
1037	strTargetImageName = *strTargetFolder;
1038	rc = pMedium->COMGETTER(Location)(bstrLocation.asOutParam());
1039	if (FAILED(rc)) throw rc;
1040	strLocation = bstrLocation;
1041
1042	if (mt.fSnapshot == true)
1043	{
1044	strLocation.stripFilename().stripPath().append(RTPATH_DELIMITER).append(Utf8Str(bstrSrcName));
1045	}
1046	else
1047	{
1048	strLocation.stripPath();
1049	}
1050
1051	strTargetImageName.append(RTPATH_DELIMITER).append(strLocation);
1052	rc = m_pProgress->SetNextOperation(BstrFmt(machine->tr("Moving medium '%ls' ..."),
1053	bstrSrcName.raw()).raw(),
1054	mt.uWeight);
1055	if (FAILED(rc)) throw rc;
1056	}
1057	else
1058	{
1059	strTargetImageName = mt.strBaseName;//Should contain full path to the image
1060	rc = m_pProgress->SetNextOperation(BstrFmt(machine->tr("Moving medium '%ls' back..."),
1061	bstrSrcName.raw()).raw(),
1062	mt.uWeight);
1063	if (FAILED(rc)) throw rc;
1064	}
1065
1066
1067
1068	/* consistency: use \ if appropriate on the platform */
1069	RTPathChangeToDosSlashes(strTargetImageName.mutableRaw(), false);
1070
1071	bstrLocation = strTargetImageName.c_str();
1072
1073	MediumType_T mediumType;//immutable, shared, passthrough
1074	rc = pMedium->COMGETTER(Type)(&mediumType);
1075	if (FAILED(rc)) throw rc;
1076
1077	DeviceType_T deviceType;//floppy, hard, DVD
1078	rc = pMedium->COMGETTER(DeviceType)(&deviceType);
1079	if (FAILED(rc)) throw rc;
1080
1081	/* Drop lock early because IMedium::SetLocation needs to get the VirtualBox one. */
1082	machineLock.release();
1083
1084	ComPtr<IProgress> moveDiskProgress;
1085	rc = pMedium->SetLocation(bstrLocation.raw(), moveDiskProgress.asOutParam());
1086	/* Wait until the async process has finished. */
1087	rc = m_pProgress->WaitForAsyncProgressCompletion(moveDiskProgress);
1088
1089	/acquire the lock back/
1090	machineLock.acquire();
1091
1092	if (FAILED(rc)) throw rc;
1093
1094	LogRelFunc(("Moving %s has been finished\n", strTargetImageName.c_str()));
1095
1096	/* Check the result of the async process. */
1097	LONG iRc;
1098	rc = moveDiskProgress->COMGETTER(ResultCode)(&iRc);
1099	if (FAILED(rc)) throw rc;
1100	/* If the thread of the progress object has an error, then
1101	* retrieve the error info from there, or it'll be lost. */
1102	if (FAILED(iRc))
1103	{
1104	ProgressErrorInfo pie(moveDiskProgress);
1105	Utf8Str errorDesc(pie.getText().raw());
1106	errorsList.push_back(ErrorInfoItem(pie.getResultCode(), errorDesc.c_str()));
1107
1108	throw machine->setError(ProgressErrorInfo(moveDiskProgress));
1109	}
1110
1111	++itMedium;
1112	}
1113
1114	machineLock.release();
1115	}
1116	catch(HRESULT hrc)
1117	{
1118	LogRelFunc(("\nException during moving the disk %s\n", strLocation.c_str()));
1119	rc = hrc;
1120	machineLock.release();
1121	}
1122	catch (...)
1123	{
1124	LogRelFunc(("\nException during moving the disk %s\n", strLocation.c_str()));
1125	rc = VirtualBoxBase::handleUnexpectedExceptions(m_pMachine, RT_SRC_POS);
1126	machineLock.release();
1127	}
1128
1129	if (FAILED(rc))
1130	{
1131	Utf8StrFmt errorDesc("Exception during moving the disk %s\n", strLocation.c_str());
1132	errorsList.push_back(ErrorInfoItem(rc, errorDesc.c_str()));
1133	}
1134
1135	return rc;
1136	}
1137
1138	HRESULT MachineMoveVM::updatePathsToStateFiles(const std::map<Utf8Str, SAVESTATETASKMOVE>& listOfFiles,
1139	const Utf8Str& sourcePath, const Utf8Str& targetPath)
1140	{
1141	HRESULT rc = S_OK;
1142
1143	std::map<Utf8Str, SAVESTATETASKMOVE>::const_iterator itState = listOfFiles.begin();
1144	while (itState != listOfFiles.end())
1145	{
1146	const SAVESTATETASKMOVE &sst = itState->second;
1147
1148	if (sst.snapshotUuid != Guid::Empty)
1149	{
1150	Utf8Str strGuidMachine = sst.snapshotUuid.toString();
1151	ComObjPtr<Snapshot> snapshotMachineObj;
1152
1153	rc = m_pMachine->i_findSnapshotById(sst.snapshotUuid, snapshotMachineObj, true);
1154	if (SUCCEEDED(rc) && !snapshotMachineObj.isNull())
1155	{
1156	snapshotMachineObj->i_updateSavedStatePaths(sourcePath.c_str(),
1157	targetPath.c_str());
1158	}
1159	}
1160	else
1161	{
1162	const Utf8Str &path = m_pMachine->mSSData->strStateFilePath;
1163	m_pMachine->mSSData->strStateFilePath = Utf8StrFmt("%s%s",
1164	targetPath.c_str(),
1165	path.c_str() + sourcePath.length());
1166	}
1167
1168	++itState;
1169	}
1170
1171	return rc;
1172	}
1173
1174	HRESULT MachineMoveVM::getFilesList(const Utf8Str& strRootFolder, fileList_t &filesList)
1175	{
1176	RTDIR hDir;
1177	HRESULT rc = S_OK;
1178	int vrc = RTDirOpen(&hDir, strRootFolder.c_str());
1179	if (RT_SUCCESS(vrc))
1180	{
1181	RTDIRENTRY DirEntry;
1182	while (RT_SUCCESS(RTDirRead(hDir, &DirEntry, NULL)))
1183	{
1184	if (RTDirEntryIsStdDotLink(&DirEntry))
1185	continue;
1186
1187	if (DirEntry.enmType == RTDIRENTRYTYPE_FILE)
1188	{
1189	Utf8Str fullPath(strRootFolder);
1190	filesList.add(strRootFolder, DirEntry.szName);
1191	}
1192	else if (DirEntry.enmType == RTDIRENTRYTYPE_DIRECTORY)
1193	{
1194	Utf8Str strNextFolder(strRootFolder);
1195	strNextFolder.append(RTPATH_DELIMITER).append(DirEntry.szName);
1196	rc = getFilesList(strNextFolder, filesList);
1197	if (FAILED(rc))
1198	break;
1199	}
1200	}
1201
1202	vrc = RTDirClose(hDir);
1203	}
1204	else if (vrc == VERR_FILE_NOT_FOUND)
1205	{
1206	Utf8StrFmt errorDesc("Folder '%s' doesn't exist (%Rrc)", strRootFolder.c_str(), vrc);
1207	errorsList.push_back(ErrorInfoItem(VERR_FILE_NOT_FOUND, errorDesc.c_str()));
1208
1209	m_pMachine->setError(VBOX_E_IPRT_ERROR, m_pMachine->tr(errorDesc.c_str()));
1210	rc = vrc;
1211	}
1212	else
1213	{
1214	Utf8StrFmt errorDesc("Could not open folder '%s' (%Rrc)", strRootFolder.c_str(), vrc);
1215	errorsList.push_back(ErrorInfoItem(VBOX_E_IPRT_ERROR, errorDesc.c_str()));
1216
1217	throw m_pMachine->setError(VBOX_E_IPRT_ERROR, m_pMachine->tr(errorDesc.c_str()));
1218	}
1219
1220	return rc;
1221	}
1222
1223	HRESULT MachineMoveVM::deleteFiles(const RTCList<Utf8Str>& listOfFiles)
1224	{
1225	HRESULT rc = S_OK;
1226	/* Delete all created files. */
1227	try
1228	{
1229	for (size_t i = 0; i < listOfFiles.size(); ++i)
1230	{
1231	LogRelFunc(("Deleting file %s ...\n", listOfFiles.at(i).c_str()));
1232	rc = m_pProgress->SetNextOperation(BstrFmt("Deleting file %s...", listOfFiles.at(i).c_str()).raw(), 1);
1233	if (FAILED(rc)) throw rc;
1234
1235	int vrc = RTFileDelete(listOfFiles.at(i).c_str());
1236	if (RT_FAILURE(vrc))
1237	{
1238	Utf8StrFmt errorDesc("Could not delete file '%s' (%Rrc)", listOfFiles.at(i).c_str(), rc);
1239	errorsList.push_back(ErrorInfoItem(VBOX_E_IPRT_ERROR, errorDesc.c_str()));
1240
1241	rc = m_pMachine->setError(VBOX_E_IPRT_ERROR, m_pMachine->tr(errorDesc.c_str()));
1242	}
1243	else
1244	LogRelFunc(("File %s has been deleted\n", listOfFiles.at(i).c_str()));
1245	}
1246	}
1247	catch(HRESULT hrc)
1248	{
1249	rc = hrc;
1250	}
1251	catch (...)
1252	{
1253	rc = VirtualBoxBase::handleUnexpectedExceptions(m_pMachine, RT_SRC_POS);
1254	}
1255
1256	return rc;
1257	}
1258
1259	HRESULT MachineMoveVM::getFolderSize(const Utf8Str& strRootFolder, uint64_t& size)
1260	{
1261	HRESULT rc = S_OK;
1262	int vrc = 0;
1263	uint64_t totalFolderSize = 0;
1264	fileList_t filesList;
1265
1266	bool ex = RTPathExists(strRootFolder.c_str());
1267	if (ex == true)
1268	{
1269	rc = getFilesList(strRootFolder, filesList);
1270	if (SUCCEEDED(rc))
1271	{
1272	cit_t it = filesList.m_list.begin();
1273	while(it != filesList.m_list.end())
1274	{
1275	uint64_t cbFile = 0;
1276	Utf8Str fullPath = it->first;
1277	fullPath.append(RTPATH_DELIMITER).append(it->second);
1278	vrc = RTFileQuerySize(fullPath.c_str(), &cbFile);
1279	if (RT_SUCCESS(vrc))
1280	{
1281	totalFolderSize += cbFile;
1282	}
1283	else
1284	{
1285	Utf8StrFmt errorDesc("Could not get the size of file '%s' (%Rrc)", fullPath.c_str(), vrc);
1286	errorsList.push_back(ErrorInfoItem(VBOX_E_IPRT_ERROR, errorDesc.c_str()));
1287
1288	throw m_pMachine->setError(VBOX_E_IPRT_ERROR, m_pMachine->tr(errorDesc.c_str()));
1289	}
1290	++it;
1291	}
1292
1293	size = totalFolderSize;
1294	}
1295	else
1296	{
1297	Utf8StrFmt errorDesc("Could not calculate the size of folder '%s' (%Rrc)", strRootFolder.c_str(), vrc);
1298	errorsList.push_back(ErrorInfoItem(VBOX_E_IPRT_ERROR, errorDesc.c_str()));
1299
1300	m_pMachine->setError(VBOX_E_IPRT_ERROR, m_pMachine->tr(errorDesc.c_str()));
1301	}
1302	}
1303	else
1304	size = 0;
1305
1306	return rc;
1307	}
1308
1309	HRESULT MachineMoveVM::queryBaseName(const ComPtr<IMedium> &pMedium, Utf8Str &strBaseName) const
1310	{
1311	ComPtr<IMedium> pBaseMedium;
1312	HRESULT rc = pMedium->COMGETTER(Base)(pBaseMedium.asOutParam());
1313	if (FAILED(rc)) return rc;
1314	Bstr bstrBaseName;
1315	rc = pBaseMedium->COMGETTER(Name)(bstrBaseName.asOutParam());
1316	if (FAILED(rc)) return rc;
1317	strBaseName = bstrBaseName;
1318	return rc;
1319	}
1320
1321	HRESULT MachineMoveVM::createMachineList(const ComPtr<ISnapshot> &pSnapshot,
1322	std::vector< ComObjPtr<Machine> > &aMachineList) const
1323	{
1324	HRESULT rc = S_OK;
1325	Bstr name;
1326	rc = pSnapshot->COMGETTER(Name)(name.asOutParam());
1327	if (FAILED(rc)) return rc;
1328
1329	ComPtr<IMachine> l_pMachine;
1330	rc = pSnapshot->COMGETTER(Machine)(l_pMachine.asOutParam());
1331	if (FAILED(rc)) return rc;
1332	aMachineList.push_back((Machine)(IMachine)l_pMachine);
1333
1334	SafeIfaceArray<ISnapshot> sfaChilds;
1335	rc = pSnapshot->COMGETTER(Children)(ComSafeArrayAsOutParam(sfaChilds));
1336	if (FAILED(rc)) return rc;
1337	for (size_t i = 0; i < sfaChilds.size(); ++i)
1338	{
1339	rc = createMachineList(sfaChilds[i], aMachineList);
1340	if (FAILED(rc)) return rc;
1341	}
1342
1343	return rc;
1344	}
1345
1346	HRESULT MachineMoveVM::queryMediasForAllStates(const std::vector<ComObjPtr<Machine> > &aMachineList)
1347	{
1348	/* In this case we create a exact copy of the original VM. This means just
1349	* adding all directly and indirectly attached disk images to the worker
1350	* list. */
1351	HRESULT rc = S_OK;
1352	for (size_t i = 0; i < aMachineList.size(); ++i)
1353	{
1354	const ComObjPtr<Machine> &machine = aMachineList.at(i);
1355
1356	/* Add all attachments (and their parents) of the different
1357	* machines to a worker list. */
1358	SafeIfaceArray<IMediumAttachment> sfaAttachments;
1359	rc = machine->COMGETTER(MediumAttachments)(ComSafeArrayAsOutParam(sfaAttachments));
1360	if (FAILED(rc)) return rc;
1361	for (size_t a = 0; a < sfaAttachments.size(); ++a)
1362	{
1363	const ComPtr<IMediumAttachment> &pAtt = sfaAttachments[a];
1364	DeviceType_T deviceType;//floppy, hard, DVD
1365	rc = pAtt->COMGETTER(Type)(&deviceType);
1366	if (FAILED(rc)) return rc;
1367
1368	/* Valid medium attached? */
1369	ComPtr<IMedium> pMedium;
1370	rc = pAtt->COMGETTER(Medium)(pMedium.asOutParam());
1371	if (FAILED(rc)) return rc;
1372
1373	if (pMedium.isNull())
1374	continue;
1375
1376	Bstr bstrLocation;
1377	rc = pMedium->COMGETTER(Location)(bstrLocation.asOutParam());
1378	if (FAILED(rc)) throw rc;
1379
1380	/* Cast to ComObjPtr<Medium> */
1381	ComObjPtr<Medium> pObjMedium = (Medium )(IMedium )pMedium;
1382
1383	/Check for "read-only" medium in terms that VBox can't create this one /
1384	bool fPass = isMediumTypeSupportedForMoving(pMedium);
1385	if(!fPass)
1386	{
1387	LogRelFunc(("Skipping file %s because of this medium type hasn't been supported for moving.\n",
1388	Utf8Str(bstrLocation.raw()).c_str()));
1389	continue;
1390	}
1391
1392	MEDIUMTASKCHAINMOVE mtc;
1393	mtc.devType = deviceType;
1394
1395	while (!pMedium.isNull())
1396	{
1397	/* Refresh the state so that the file size get read. */
1398	MediumState_T e;
1399	rc = pMedium->RefreshState(&e);
1400	if (FAILED(rc)) return rc;
1401
1402	LONG64 lSize;
1403	rc = pMedium->COMGETTER(Size)(&lSize);
1404	if (FAILED(rc)) return rc;
1405
1406	MediumType_T mediumType;//immutable, shared, passthrough
1407	rc = pMedium->COMGETTER(Type)(&mediumType);
1408	if (FAILED(rc)) throw rc;
1409
1410	rc = pMedium->COMGETTER(Location)(bstrLocation.asOutParam());
1411	if (FAILED(rc)) throw rc;
1412
1413	MEDIUMTASKMOVE mt;// = {false, "basename", NULL, 0, 0};
1414	mt.strBaseName = bstrLocation;
1415	Utf8Str strFolder = vmFolders[VBox_SnapshotFolder];
1416	if (strFolder.isNotEmpty() && mt.strBaseName.contains(strFolder))
1417	{
1418	mt.fSnapshot = true;
1419	}
1420	else
1421	mt.fSnapshot = false;
1422
1423	mt.uIdx = UINT32_MAX;
1424	mt.pMedium = pMedium;
1425	mt.uWeight = (ULONG)((lSize + _1M - 1) / _1M);
1426	mtc.chain.append(mt);
1427
1428	/* Query next parent. */
1429	rc = pMedium->COMGETTER(Parent)(pMedium.asOutParam());
1430	if (FAILED(rc)) return rc;
1431	}
1432
1433	llMedias.append(mtc);
1434	}
1435	/* Add the save state files of this machine if there is one. */
1436	rc = addSaveState(machine);
1437	if (FAILED(rc)) return rc;
1438
1439	}
1440	/* Build up the index list of the image chain. Unfortunately we can't do
1441	* that in the previous loop, cause there we go from child -> parent and
1442	* didn't know how many are between. */
1443	for (size_t i = 0; i < llMedias.size(); ++i)
1444	{
1445	uint32_t uIdx = 0;
1446	MEDIUMTASKCHAINMOVE &mtc = llMedias.at(i);
1447	for (size_t a = mtc.chain.size(); a > 0; --a)
1448	mtc.chain[a - 1].uIdx = uIdx++;
1449	}
1450
1451	return rc;
1452	}
1453
1454	HRESULT MachineMoveVM::addSaveState(const ComObjPtr<Machine> &machine)
1455	{
1456	Bstr bstrSrcSaveStatePath;
1457	HRESULT rc = machine->COMGETTER(StateFilePath)(bstrSrcSaveStatePath.asOutParam());
1458	if (FAILED(rc)) return rc;
1459	if (!bstrSrcSaveStatePath.isEmpty())
1460	{
1461	SAVESTATETASKMOVE sst;
1462
1463	sst.snapshotUuid = machine->i_getSnapshotId();
1464	sst.strSaveStateFile = bstrSrcSaveStatePath;
1465	uint64_t cbSize;
1466
1467	int vrc = RTFileQuerySize(sst.strSaveStateFile.c_str(), &cbSize);
1468	if (RT_FAILURE(vrc))
1469	{
1470	Utf8StrFmt errorDesc("Could not get file size of '%s' (%Rrc)", sst.strSaveStateFile.c_str(), vrc);
1471	errorsList.push_back(ErrorInfoItem(VBOX_E_IPRT_ERROR, errorDesc.c_str()));
1472
1473	return m_pMachine->setError(VBOX_E_IPRT_ERROR, m_pMachine->tr(errorDesc.c_str()));
1474	}
1475	/* same rule as above: count both the data which needs to
1476	* be read and written */
1477	sst.uWeight = (ULONG)(2 * (cbSize + _1M - 1) / _1M);
1478	llSaveStateFiles.append(sst);
1479	}
1480	return S_OK;
1481	}
1482
1483	void MachineMoveVM::updateProgressStats(MEDIUMTASKCHAINMOVE &mtc, ULONG &uCount, ULONG &uTotalWeight) const
1484	{
1485
1486	/* Currently the copying of diff images involves reading at least
1487	* the biggest parent in the previous chain. So even if the new
1488	* diff image is small in size, it could need some time to create
1489	* it. Adding the biggest size in the chain should balance this a
1490	* little bit more, i.e. the weight is the sum of the data which
1491	* needs to be read and written. */
1492	ULONG uMaxWeight = 0;
1493	for (size_t e = mtc.chain.size(); e > 0; --e)
1494	{
1495	MEDIUMTASKMOVE &mt = mtc.chain.at(e - 1);
1496	mt.uWeight += uMaxWeight;
1497
1498	/* Calculate progress data */
1499	++uCount;
1500	uTotalWeight += mt.uWeight;
1501
1502	/* Save the max size for better weighting of diff image
1503	* creation. */
1504	uMaxWeight = RT_MAX(uMaxWeight, mt.uWeight);
1505	}
1506	}
1507
1508	bool MachineMoveVM::isMediumTypeSupportedForMoving(const ComPtr<IMedium> &pMedium)
1509	{
1510	HRESULT rc = S_OK;
1511	bool fSupported = true;
1512	Bstr bstrLocation;
1513	rc = pMedium->COMGETTER(Location)(bstrLocation.asOutParam());
1514	if (FAILED(rc))
1515	{
1516	fSupported = false;
1517	throw rc;
1518	}
1519
1520	DeviceType_T deviceType;
1521	rc = pMedium->COMGETTER(DeviceType)(&deviceType);
1522	if (FAILED(rc))
1523	{
1524	fSupported = false;
1525	throw rc;
1526	}
1527
1528	ComPtr<IMediumFormat> mediumFormat;
1529	rc = pMedium->COMGETTER(MediumFormat)(mediumFormat.asOutParam());
1530	if (FAILED(rc))
1531	{
1532	fSupported = false;
1533	throw rc;
1534	}
1535
1536	/Check whether VBox is able to create this medium format or not, i.e. medium can be "read-only" /
1537	Bstr bstrFormatName;
1538	rc = mediumFormat->COMGETTER(Name)(bstrFormatName.asOutParam());
1539	if (FAILED(rc))
1540	{
1541	fSupported = false;
1542	throw rc;
1543	}
1544
1545	Utf8Str formatName = Utf8Str(bstrFormatName);
1546	if (formatName.compare("VHDX", Utf8Str::CaseInsensitive) == 0)
1547	{
1548	LogRelFunc(("Skipping medium %s. VHDX format is supported in \"read-only\" mode only. \n",
1549	Utf8Str(bstrLocation.raw()).c_str()));
1550	fSupported = false;
1551	}
1552
1553	/* Check whether medium is represented by file on the disk or not */
1554	if (fSupported)
1555	{
1556	ComObjPtr<Medium> pObjMedium = (Medium )(IMedium )pMedium;
1557	fSupported = pObjMedium->i_isMediumFormatFile();
1558	if (!fSupported)
1559	{
1560	LogRelFunc(("Skipping medium %s because it's not a real file on the disk.\n",
1561	Utf8Str(bstrLocation.raw()).c_str()));
1562	}
1563	}
1564
1565	/* some special checks for DVD */
1566	if (fSupported && deviceType == DeviceType_DVD)
1567	{
1568	Utf8Str ext = bstrLocation;
1569	ext.assignEx(RTPathSuffix(ext.c_str()));//returns extension with dot (".iso")
1570
1571	//only ISO image is moved. Otherwise adding some information into log file
1572	int equality = ext.compare(".iso", Utf8Str::CaseInsensitive);
1573	if (equality != false)
1574	{
1575	LogRelFunc(("Skipping file %s. Only ISO images are supported for now.\n",
1576	Utf8Str(bstrLocation.raw()).c_str()));
1577	fSupported = false;
1578	}
1579	}
1580
1581	return fSupported;
1582	}

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source: vbox/trunk/src/VBox/Main/src-server/MachineImplMoveVM.cpp@ 71990

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