VirtualBox

source: vbox/trunk/src/VBox/Main/MachineImpl.cpp@ 35305

Last change on this file since 35305 was 35175, checked in by vboxsync, 14 years ago

Main/Machine: rename mSnapshotData to mConsoleTaskData (together with the struct name), since in the future this will hold information for all long-term operations triggered via Console methods
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File size: 393.6 KB
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1/* $Id: MachineImpl.cpp 35175 2010-12-16 12:36:00Z vboxsync $ */
2/** @file
3 * Implementation of IMachine in VBoxSVC.
4 */
5
6/*
7 * Copyright (C) 2006-2010 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/* Make sure all the stdint.h macros are included - must come first! */
19#ifndef __STDC_LIMIT_MACROS
20# define __STDC_LIMIT_MACROS
21#endif
22#ifndef __STDC_CONSTANT_MACROS
23# define __STDC_CONSTANT_MACROS
24#endif
25
26#ifdef VBOX_WITH_SYS_V_IPC_SESSION_WATCHER
27# include <errno.h>
28# include <sys/types.h>
29# include <sys/stat.h>
30# include <sys/ipc.h>
31# include <sys/sem.h>
32#endif
33
34#include "Logging.h"
35#include "VirtualBoxImpl.h"
36#include "MachineImpl.h"
37#include "ProgressImpl.h"
38#include "ProgressProxyImpl.h"
39#include "MediumAttachmentImpl.h"
40#include "MediumImpl.h"
41#include "MediumLock.h"
42#include "USBControllerImpl.h"
43#include "HostImpl.h"
44#include "SharedFolderImpl.h"
45#include "GuestOSTypeImpl.h"
46#include "VirtualBoxErrorInfoImpl.h"
47#include "GuestImpl.h"
48#include "StorageControllerImpl.h"
49#include "DisplayImpl.h"
50#include "DisplayUtils.h"
51#include "BandwidthControlImpl.h"
52
53#ifdef VBOX_WITH_USB
54# include "USBProxyService.h"
55#endif
56
57#include "AutoCaller.h"
58#include "Performance.h"
59
60#include <iprt/asm.h>
61#include <iprt/path.h>
62#include <iprt/dir.h>
63#include <iprt/env.h>
64#include <iprt/lockvalidator.h>
65#include <iprt/process.h>
66#include <iprt/cpp/utils.h>
67#include <iprt/cpp/xml.h> /* xml::XmlFileWriter::s_psz*Suff. */
68#include <iprt/string.h>
69
70#include <VBox/com/array.h>
71
72#include <VBox/err.h>
73#include <VBox/param.h>
74#include <VBox/settings.h>
75#include <VBox/ssm.h>
76
77#ifdef VBOX_WITH_GUEST_PROPS
78# include <VBox/HostServices/GuestPropertySvc.h>
79# include <VBox/com/array.h>
80#endif
81
82#include "VBox/com/MultiResult.h"
83
84#include <algorithm>
85
86#include <typeinfo>
87
88#if defined(RT_OS_WINDOWS) || defined(RT_OS_OS2)
89# define HOSTSUFF_EXE ".exe"
90#else /* !RT_OS_WINDOWS */
91# define HOSTSUFF_EXE ""
92#endif /* !RT_OS_WINDOWS */
93
94// defines / prototypes
95/////////////////////////////////////////////////////////////////////////////
96
97/////////////////////////////////////////////////////////////////////////////
98// Machine::Data structure
99/////////////////////////////////////////////////////////////////////////////
100
101Machine::Data::Data()
102{
103 mRegistered = FALSE;
104 pMachineConfigFile = NULL;
105 flModifications = 0;
106 mAccessible = FALSE;
107 /* mUuid is initialized in Machine::init() */
108
109 mMachineState = MachineState_PoweredOff;
110 RTTimeNow(&mLastStateChange);
111
112 mMachineStateDeps = 0;
113 mMachineStateDepsSem = NIL_RTSEMEVENTMULTI;
114 mMachineStateChangePending = 0;
115
116 mCurrentStateModified = TRUE;
117 mGuestPropertiesModified = FALSE;
118
119 mSession.mPid = NIL_RTPROCESS;
120 mSession.mState = SessionState_Unlocked;
121}
122
123Machine::Data::~Data()
124{
125 if (mMachineStateDepsSem != NIL_RTSEMEVENTMULTI)
126 {
127 RTSemEventMultiDestroy(mMachineStateDepsSem);
128 mMachineStateDepsSem = NIL_RTSEMEVENTMULTI;
129 }
130 if (pMachineConfigFile)
131 {
132 delete pMachineConfigFile;
133 pMachineConfigFile = NULL;
134 }
135}
136
137/////////////////////////////////////////////////////////////////////////////
138// Machine::HWData structure
139/////////////////////////////////////////////////////////////////////////////
140
141Machine::HWData::HWData()
142{
143 /* default values for a newly created machine */
144 mHWVersion = "2"; /** @todo get the default from the schema if that is possible. */
145 mMemorySize = 128;
146 mCPUCount = 1;
147 mCPUHotPlugEnabled = false;
148 mMemoryBalloonSize = 0;
149 mPageFusionEnabled = false;
150 mVRAMSize = 8;
151 mAccelerate3DEnabled = false;
152 mAccelerate2DVideoEnabled = false;
153 mMonitorCount = 1;
154 mHWVirtExEnabled = true;
155 mHWVirtExNestedPagingEnabled = true;
156#if HC_ARCH_BITS == 64 && !defined(RT_OS_LINUX)
157 mHWVirtExLargePagesEnabled = true;
158#else
159 /* Not supported on 32 bits hosts. */
160 mHWVirtExLargePagesEnabled = false;
161#endif
162 mHWVirtExVPIDEnabled = true;
163 mHWVirtExForceEnabled = false;
164#if defined(RT_OS_DARWIN) || defined(RT_OS_WINDOWS)
165 mHWVirtExExclusive = false;
166#else
167 mHWVirtExExclusive = true;
168#endif
169#if HC_ARCH_BITS == 64 || defined(RT_OS_WINDOWS) || defined(RT_OS_DARWIN)
170 mPAEEnabled = true;
171#else
172 mPAEEnabled = false;
173#endif
174 mSyntheticCpu = false;
175 mHpetEnabled = false;
176
177 /* default boot order: floppy - DVD - HDD */
178 mBootOrder[0] = DeviceType_Floppy;
179 mBootOrder[1] = DeviceType_DVD;
180 mBootOrder[2] = DeviceType_HardDisk;
181 for (size_t i = 3; i < RT_ELEMENTS(mBootOrder); ++i)
182 mBootOrder[i] = DeviceType_Null;
183
184 mClipboardMode = ClipboardMode_Bidirectional;
185 mGuestPropertyNotificationPatterns = "";
186
187 mFirmwareType = FirmwareType_BIOS;
188 mKeyboardHidType = KeyboardHidType_PS2Keyboard;
189 mPointingHidType = PointingHidType_PS2Mouse;
190 mChipsetType = ChipsetType_PIIX3;
191
192 for (size_t i = 0; i < RT_ELEMENTS(mCPUAttached); i++)
193 mCPUAttached[i] = false;
194
195 mIoCacheEnabled = true;
196 mIoCacheSize = 5; /* 5MB */
197
198 /* Maximum CPU execution cap by default. */
199 mCpuExecutionCap = 100;
200}
201
202Machine::HWData::~HWData()
203{
204}
205
206/////////////////////////////////////////////////////////////////////////////
207// Machine::HDData structure
208/////////////////////////////////////////////////////////////////////////////
209
210Machine::MediaData::MediaData()
211{
212}
213
214Machine::MediaData::~MediaData()
215{
216}
217
218/////////////////////////////////////////////////////////////////////////////
219// Machine class
220/////////////////////////////////////////////////////////////////////////////
221
222// constructor / destructor
223/////////////////////////////////////////////////////////////////////////////
224
225Machine::Machine()
226 : mGuestHAL(NULL),
227 mPeer(NULL),
228 mParent(NULL)
229{}
230
231Machine::~Machine()
232{}
233
234HRESULT Machine::FinalConstruct()
235{
236 LogFlowThisFunc(("\n"));
237 return S_OK;
238}
239
240void Machine::FinalRelease()
241{
242 LogFlowThisFunc(("\n"));
243 uninit();
244}
245
246/**
247 * Initializes a new machine instance; this init() variant creates a new, empty machine.
248 * This gets called from VirtualBox::CreateMachine().
249 *
250 * @param aParent Associated parent object
251 * @param strConfigFile Local file system path to the VM settings file (can
252 * be relative to the VirtualBox config directory).
253 * @param strName name for the machine
254 * @param aId UUID for the new machine.
255 * @param aOsType OS Type of this machine or NULL.
256 * @param fForceOverwrite Whether to overwrite an existing machine settings file.
257 *
258 * @return Success indicator. if not S_OK, the machine object is invalid
259 */
260HRESULT Machine::init(VirtualBox *aParent,
261 const Utf8Str &strConfigFile,
262 const Utf8Str &strName,
263 GuestOSType *aOsType,
264 const Guid &aId,
265 bool fForceOverwrite)
266{
267 LogFlowThisFuncEnter();
268 LogFlowThisFunc(("(Init_New) aConfigFile='%s'\n", strConfigFile.c_str()));
269
270 /* Enclose the state transition NotReady->InInit->Ready */
271 AutoInitSpan autoInitSpan(this);
272 AssertReturn(autoInitSpan.isOk(), E_FAIL);
273
274 HRESULT rc = initImpl(aParent, strConfigFile);
275 if (FAILED(rc)) return rc;
276
277 rc = tryCreateMachineConfigFile(fForceOverwrite);
278 if (FAILED(rc)) return rc;
279
280 if (SUCCEEDED(rc))
281 {
282 // create an empty machine config
283 mData->pMachineConfigFile = new settings::MachineConfigFile(NULL);
284
285 rc = initDataAndChildObjects();
286 }
287
288 if (SUCCEEDED(rc))
289 {
290 // set to true now to cause uninit() to call uninitDataAndChildObjects() on failure
291 mData->mAccessible = TRUE;
292
293 unconst(mData->mUuid) = aId;
294
295 mUserData->s.strName = strName;
296
297 // the "name sync" flag determines whether the machine directory gets renamed along
298 // with the machine file; say so if the settings file name is the same as the
299 // settings file parent directory (machine directory)
300 mUserData->s.fNameSync = isInOwnDir();
301
302 // initialize the default snapshots folder
303 rc = COMSETTER(SnapshotFolder)(NULL);
304 AssertComRC(rc);
305
306 if (aOsType)
307 {
308 /* Store OS type */
309 mUserData->s.strOsType = aOsType->id();
310
311 /* Apply BIOS defaults */
312 mBIOSSettings->applyDefaults(aOsType);
313
314 /* Apply network adapters defaults */
315 for (ULONG slot = 0; slot < RT_ELEMENTS(mNetworkAdapters); ++slot)
316 mNetworkAdapters[slot]->applyDefaults(aOsType);
317
318 /* Apply serial port defaults */
319 for (ULONG slot = 0; slot < RT_ELEMENTS(mSerialPorts); ++slot)
320 mSerialPorts[slot]->applyDefaults(aOsType);
321 }
322
323 /* commit all changes made during the initialization */
324 commit();
325 }
326
327 /* Confirm a successful initialization when it's the case */
328 if (SUCCEEDED(rc))
329 {
330 if (mData->mAccessible)
331 autoInitSpan.setSucceeded();
332 else
333 autoInitSpan.setLimited();
334 }
335
336 LogFlowThisFunc(("mName='%s', mRegistered=%RTbool, mAccessible=%RTbool, rc=%08X\n",
337 !!mUserData ? mUserData->s.strName.c_str() : "NULL",
338 mData->mRegistered,
339 mData->mAccessible,
340 rc));
341
342 LogFlowThisFuncLeave();
343
344 return rc;
345}
346
347/**
348 * Initializes a new instance with data from machine XML (formerly Init_Registered).
349 * Gets called in two modes:
350 *
351 * -- from VirtualBox::initMachines() during VirtualBox startup; in that case, the
352 * UUID is specified and we mark the machine as "registered";
353 *
354 * -- from the public VirtualBox::OpenMachine() API, in which case the UUID is NULL
355 * and the machine remains unregistered until RegisterMachine() is called.
356 *
357 * @param aParent Associated parent object
358 * @param aConfigFile Local file system path to the VM settings file (can
359 * be relative to the VirtualBox config directory).
360 * @param aId UUID of the machine or NULL (see above).
361 *
362 * @return Success indicator. if not S_OK, the machine object is invalid
363 */
364HRESULT Machine::init(VirtualBox *aParent,
365 const Utf8Str &strConfigFile,
366 const Guid *aId)
367{
368 LogFlowThisFuncEnter();
369 LogFlowThisFunc(("(Init_Registered) aConfigFile='%s\n", strConfigFile.c_str()));
370
371 /* Enclose the state transition NotReady->InInit->Ready */
372 AutoInitSpan autoInitSpan(this);
373 AssertReturn(autoInitSpan.isOk(), E_FAIL);
374
375 HRESULT rc = initImpl(aParent, strConfigFile);
376 if (FAILED(rc)) return rc;
377
378 if (aId)
379 {
380 // loading a registered VM:
381 unconst(mData->mUuid) = *aId;
382 mData->mRegistered = TRUE;
383 // now load the settings from XML:
384 rc = registeredInit();
385 // this calls initDataAndChildObjects() and loadSettings()
386 }
387 else
388 {
389 // opening an unregistered VM (VirtualBox::OpenMachine()):
390 rc = initDataAndChildObjects();
391
392 if (SUCCEEDED(rc))
393 {
394 // set to true now to cause uninit() to call uninitDataAndChildObjects() on failure
395 mData->mAccessible = TRUE;
396
397 try
398 {
399 // load and parse machine XML; this will throw on XML or logic errors
400 mData->pMachineConfigFile = new settings::MachineConfigFile(&mData->m_strConfigFileFull);
401
402 // reject VM UUID duplicates, they can happen if someone
403 // tries to register an already known VM config again
404 if (aParent->findMachine(mData->pMachineConfigFile->uuid,
405 true /* fPermitInaccessible */,
406 false /* aDoSetError */,
407 NULL) != VBOX_E_OBJECT_NOT_FOUND)
408 {
409 throw setError(E_FAIL,
410 tr("Trying to open a VM config '%s' which has the same UUID as an existing virtual machine"),
411 mData->m_strConfigFile.c_str());
412 }
413
414 // use UUID from machine config
415 unconst(mData->mUuid) = mData->pMachineConfigFile->uuid;
416
417 rc = loadMachineDataFromSettings(*mData->pMachineConfigFile,
418 NULL /* puuidRegistry */);
419 if (FAILED(rc)) throw rc;
420
421 commit();
422 }
423 catch (HRESULT err)
424 {
425 /* we assume that error info is set by the thrower */
426 rc = err;
427 }
428 catch (...)
429 {
430 rc = VirtualBox::handleUnexpectedExceptions(RT_SRC_POS);
431 }
432 }
433 }
434
435 /* Confirm a successful initialization when it's the case */
436 if (SUCCEEDED(rc))
437 {
438 if (mData->mAccessible)
439 autoInitSpan.setSucceeded();
440 else
441 {
442 autoInitSpan.setLimited();
443
444 // uninit media from this machine's media registry, or else
445 // reloading the settings will fail
446 mParent->unregisterMachineMedia(getId());
447 }
448 }
449
450 LogFlowThisFunc(("mName='%s', mRegistered=%RTbool, mAccessible=%RTbool "
451 "rc=%08X\n",
452 !!mUserData ? mUserData->s.strName.c_str() : "NULL",
453 mData->mRegistered, mData->mAccessible, rc));
454
455 LogFlowThisFuncLeave();
456
457 return rc;
458}
459
460/**
461 * Initializes a new instance from a machine config that is already in memory
462 * (import OVF case). Since we are importing, the UUID in the machine
463 * config is ignored and we always generate a fresh one.
464 *
465 * @param strName Name for the new machine; this overrides what is specified in config and is used
466 * for the settings file as well.
467 * @param config Machine configuration loaded and parsed from XML.
468 *
469 * @return Success indicator. if not S_OK, the machine object is invalid
470 */
471HRESULT Machine::init(VirtualBox *aParent,
472 const Utf8Str &strName,
473 const settings::MachineConfigFile &config)
474{
475 LogFlowThisFuncEnter();
476
477 /* Enclose the state transition NotReady->InInit->Ready */
478 AutoInitSpan autoInitSpan(this);
479 AssertReturn(autoInitSpan.isOk(), E_FAIL);
480
481 Utf8Str strConfigFile;
482 aParent->getDefaultMachineFolder(strConfigFile);
483 strConfigFile.append(RTPATH_DELIMITER);
484 strConfigFile.append(strName);
485 strConfigFile.append(RTPATH_DELIMITER);
486 strConfigFile.append(strName);
487 strConfigFile.append(".vbox");
488
489 HRESULT rc = initImpl(aParent, strConfigFile);
490 if (FAILED(rc)) return rc;
491
492 rc = tryCreateMachineConfigFile(false /* fForceOverwrite */);
493 if (FAILED(rc)) return rc;
494
495 rc = initDataAndChildObjects();
496
497 if (SUCCEEDED(rc))
498 {
499 // set to true now to cause uninit() to call uninitDataAndChildObjects() on failure
500 mData->mAccessible = TRUE;
501
502 // create empty machine config for instance data
503 mData->pMachineConfigFile = new settings::MachineConfigFile(NULL);
504
505 // generate fresh UUID, ignore machine config
506 unconst(mData->mUuid).create();
507
508 rc = loadMachineDataFromSettings(config,
509 &mData->mUuid); // puuidRegistry: initialize media with this registry ID
510
511 // override VM name as well, it may be different
512 mUserData->s.strName = strName;
513
514 /* commit all changes made during the initialization */
515 if (SUCCEEDED(rc))
516 commit();
517 }
518
519 /* Confirm a successful initialization when it's the case */
520 if (SUCCEEDED(rc))
521 {
522 if (mData->mAccessible)
523 autoInitSpan.setSucceeded();
524 else
525 {
526 autoInitSpan.setLimited();
527
528 // uninit media from this machine's media registry, or else
529 // reloading the settings will fail
530 mParent->unregisterMachineMedia(getId());
531 }
532 }
533
534 LogFlowThisFunc(("mName='%s', mRegistered=%RTbool, mAccessible=%RTbool "
535 "rc=%08X\n",
536 !!mUserData ? mUserData->s.strName.c_str() : "NULL",
537 mData->mRegistered, mData->mAccessible, rc));
538
539 LogFlowThisFuncLeave();
540
541 return rc;
542}
543
544/**
545 * Shared code between the various init() implementations.
546 * @param aParent
547 * @return
548 */
549HRESULT Machine::initImpl(VirtualBox *aParent,
550 const Utf8Str &strConfigFile)
551{
552 LogFlowThisFuncEnter();
553
554 AssertReturn(aParent, E_INVALIDARG);
555 AssertReturn(!strConfigFile.isEmpty(), E_INVALIDARG);
556
557 HRESULT rc = S_OK;
558
559 /* share the parent weakly */
560 unconst(mParent) = aParent;
561
562 /* allocate the essential machine data structure (the rest will be
563 * allocated later by initDataAndChildObjects() */
564 mData.allocate();
565
566 /* memorize the config file name (as provided) */
567 mData->m_strConfigFile = strConfigFile;
568
569 /* get the full file name */
570 int vrc1 = mParent->calculateFullPath(strConfigFile, mData->m_strConfigFileFull);
571 if (RT_FAILURE(vrc1))
572 return setError(VBOX_E_FILE_ERROR,
573 tr("Invalid machine settings file name '%s' (%Rrc)"),
574 strConfigFile.c_str(),
575 vrc1);
576
577 LogFlowThisFuncLeave();
578
579 return rc;
580}
581
582/**
583 * Tries to create a machine settings file in the path stored in the machine
584 * instance data. Used when a new machine is created to fail gracefully if
585 * the settings file could not be written (e.g. because machine dir is read-only).
586 * @return
587 */
588HRESULT Machine::tryCreateMachineConfigFile(bool fForceOverwrite)
589{
590 HRESULT rc = S_OK;
591
592 // when we create a new machine, we must be able to create the settings file
593 RTFILE f = NIL_RTFILE;
594 int vrc = RTFileOpen(&f, mData->m_strConfigFileFull.c_str(), RTFILE_O_READ | RTFILE_O_OPEN | RTFILE_O_DENY_NONE);
595 if ( RT_SUCCESS(vrc)
596 || vrc == VERR_SHARING_VIOLATION
597 )
598 {
599 if (RT_SUCCESS(vrc))
600 RTFileClose(f);
601 if (!fForceOverwrite)
602 rc = setError(VBOX_E_FILE_ERROR,
603 tr("Machine settings file '%s' already exists"),
604 mData->m_strConfigFileFull.c_str());
605 else
606 {
607 /* try to delete the config file, as otherwise the creation
608 * of a new settings file will fail. */
609 int vrc2 = RTFileDelete(mData->m_strConfigFileFull.c_str());
610 if (RT_FAILURE(vrc2))
611 rc = setError(VBOX_E_FILE_ERROR,
612 tr("Could not delete the existing settings file '%s' (%Rrc)"),
613 mData->m_strConfigFileFull.c_str(), vrc2);
614 }
615 }
616 else if ( vrc != VERR_FILE_NOT_FOUND
617 && vrc != VERR_PATH_NOT_FOUND
618 )
619 rc = setError(VBOX_E_FILE_ERROR,
620 tr("Invalid machine settings file name '%s' (%Rrc)"),
621 mData->m_strConfigFileFull.c_str(),
622 vrc);
623 return rc;
624}
625
626/**
627 * Initializes the registered machine by loading the settings file.
628 * This method is separated from #init() in order to make it possible to
629 * retry the operation after VirtualBox startup instead of refusing to
630 * startup the whole VirtualBox server in case if the settings file of some
631 * registered VM is invalid or inaccessible.
632 *
633 * @note Must be always called from this object's write lock
634 * (unless called from #init() that doesn't need any locking).
635 * @note Locks the mUSBController method for writing.
636 * @note Subclasses must not call this method.
637 */
638HRESULT Machine::registeredInit()
639{
640 AssertReturn(!isSessionMachine(), E_FAIL);
641 AssertReturn(!isSnapshotMachine(), E_FAIL);
642 AssertReturn(!mData->mUuid.isEmpty(), E_FAIL);
643 AssertReturn(!mData->mAccessible, E_FAIL);
644
645 HRESULT rc = initDataAndChildObjects();
646
647 if (SUCCEEDED(rc))
648 {
649 /* Temporarily reset the registered flag in order to let setters
650 * potentially called from loadSettings() succeed (isMutable() used in
651 * all setters will return FALSE for a Machine instance if mRegistered
652 * is TRUE). */
653 mData->mRegistered = FALSE;
654
655 try
656 {
657 // load and parse machine XML; this will throw on XML or logic errors
658 mData->pMachineConfigFile = new settings::MachineConfigFile(&mData->m_strConfigFileFull);
659
660 if (mData->mUuid != mData->pMachineConfigFile->uuid)
661 throw setError(E_FAIL,
662 tr("Machine UUID {%RTuuid} in '%s' doesn't match its UUID {%s} in the registry file '%s'"),
663 mData->pMachineConfigFile->uuid.raw(),
664 mData->m_strConfigFileFull.c_str(),
665 mData->mUuid.toString().c_str(),
666 mParent->settingsFilePath().c_str());
667
668 rc = loadMachineDataFromSettings(*mData->pMachineConfigFile,
669 NULL /* const Guid *puuidRegistry */);
670 if (FAILED(rc)) throw rc;
671 }
672 catch (HRESULT err)
673 {
674 /* we assume that error info is set by the thrower */
675 rc = err;
676 }
677 catch (...)
678 {
679 rc = VirtualBox::handleUnexpectedExceptions(RT_SRC_POS);
680 }
681
682 /* Restore the registered flag (even on failure) */
683 mData->mRegistered = TRUE;
684 }
685
686 if (SUCCEEDED(rc))
687 {
688 /* Set mAccessible to TRUE only if we successfully locked and loaded
689 * the settings file */
690 mData->mAccessible = TRUE;
691
692 /* commit all changes made during loading the settings file */
693 commit(); // @todo r=dj why do we need a commit during init?!? this is very expensive
694 }
695 else
696 {
697 /* If the machine is registered, then, instead of returning a
698 * failure, we mark it as inaccessible and set the result to
699 * success to give it a try later */
700
701 /* fetch the current error info */
702 mData->mAccessError = com::ErrorInfo();
703 LogWarning(("Machine {%RTuuid} is inaccessible! [%ls]\n",
704 mData->mUuid.raw(),
705 mData->mAccessError.getText().raw()));
706
707 /* rollback all changes */
708 rollback(false /* aNotify */);
709
710 // uninit media from this machine's media registry, or else
711 // reloading the settings will fail
712 mParent->unregisterMachineMedia(getId());
713
714 /* uninitialize the common part to make sure all data is reset to
715 * default (null) values */
716 uninitDataAndChildObjects();
717
718 rc = S_OK;
719 }
720
721 return rc;
722}
723
724/**
725 * Uninitializes the instance.
726 * Called either from FinalRelease() or by the parent when it gets destroyed.
727 *
728 * @note The caller of this method must make sure that this object
729 * a) doesn't have active callers on the current thread and b) is not locked
730 * by the current thread; otherwise uninit() will hang either a) due to
731 * AutoUninitSpan waiting for a number of calls to drop to zero or b) due to
732 * a dead-lock caused by this thread waiting for all callers on the other
733 * threads are done but preventing them from doing so by holding a lock.
734 */
735void Machine::uninit()
736{
737 LogFlowThisFuncEnter();
738
739 Assert(!isWriteLockOnCurrentThread());
740
741 /* Enclose the state transition Ready->InUninit->NotReady */
742 AutoUninitSpan autoUninitSpan(this);
743 if (autoUninitSpan.uninitDone())
744 return;
745
746 Assert(!isSnapshotMachine());
747 Assert(!isSessionMachine());
748 Assert(!!mData);
749
750 LogFlowThisFunc(("initFailed()=%d\n", autoUninitSpan.initFailed()));
751 LogFlowThisFunc(("mRegistered=%d\n", mData->mRegistered));
752
753 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
754
755 if (!mData->mSession.mMachine.isNull())
756 {
757 /* Theoretically, this can only happen if the VirtualBox server has been
758 * terminated while there were clients running that owned open direct
759 * sessions. Since in this case we are definitely called by
760 * VirtualBox::uninit(), we may be sure that SessionMachine::uninit()
761 * won't happen on the client watcher thread (because it does
762 * VirtualBox::addCaller() for the duration of the
763 * SessionMachine::checkForDeath() call, so that VirtualBox::uninit()
764 * cannot happen until the VirtualBox caller is released). This is
765 * important, because SessionMachine::uninit() cannot correctly operate
766 * after we return from this method (it expects the Machine instance is
767 * still valid). We'll call it ourselves below.
768 */
769 LogWarningThisFunc(("Session machine is not NULL (%p), the direct session is still open!\n",
770 (SessionMachine*)mData->mSession.mMachine));
771
772 if (Global::IsOnlineOrTransient(mData->mMachineState))
773 {
774 LogWarningThisFunc(("Setting state to Aborted!\n"));
775 /* set machine state using SessionMachine reimplementation */
776 static_cast<Machine*>(mData->mSession.mMachine)->setMachineState(MachineState_Aborted);
777 }
778
779 /*
780 * Uninitialize SessionMachine using public uninit() to indicate
781 * an unexpected uninitialization.
782 */
783 mData->mSession.mMachine->uninit();
784 /* SessionMachine::uninit() must set mSession.mMachine to null */
785 Assert(mData->mSession.mMachine.isNull());
786 }
787
788 // uninit media from this machine's media registry, if they're still there
789 Guid uuidMachine(getId());
790 if (!uuidMachine.isEmpty()) // can be empty if we're called from a failure of Machine::init
791 mParent->unregisterMachineMedia(uuidMachine);
792
793 /* the lock is no more necessary (SessionMachine is uninitialized) */
794 alock.leave();
795
796 // has machine been modified?
797 if (mData->flModifications)
798 {
799 LogWarningThisFunc(("Discarding unsaved settings changes!\n"));
800 rollback(false /* aNotify */);
801 }
802
803 if (mData->mAccessible)
804 uninitDataAndChildObjects();
805
806 /* free the essential data structure last */
807 mData.free();
808
809 LogFlowThisFuncLeave();
810}
811
812// IMachine properties
813/////////////////////////////////////////////////////////////////////////////
814
815STDMETHODIMP Machine::COMGETTER(Parent)(IVirtualBox **aParent)
816{
817 CheckComArgOutPointerValid(aParent);
818
819 AutoLimitedCaller autoCaller(this);
820 if (FAILED(autoCaller.rc())) return autoCaller.rc();
821
822 /* mParent is constant during life time, no need to lock */
823 ComObjPtr<VirtualBox> pVirtualBox(mParent);
824 pVirtualBox.queryInterfaceTo(aParent);
825
826 return S_OK;
827}
828
829STDMETHODIMP Machine::COMGETTER(Accessible)(BOOL *aAccessible)
830{
831 CheckComArgOutPointerValid(aAccessible);
832
833 AutoLimitedCaller autoCaller(this);
834 if (FAILED(autoCaller.rc())) return autoCaller.rc();
835
836 LogFlowThisFunc(("ENTER\n"));
837
838 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
839
840 HRESULT rc = S_OK;
841
842 if (!mData->mAccessible)
843 {
844 /* try to initialize the VM once more if not accessible */
845
846 AutoReinitSpan autoReinitSpan(this);
847 AssertReturn(autoReinitSpan.isOk(), E_FAIL);
848
849#ifdef DEBUG
850 LogFlowThisFunc(("Dumping media backreferences\n"));
851 mParent->dumpAllBackRefs();
852#endif
853
854 if (mData->pMachineConfigFile)
855 {
856 // reset the XML file to force loadSettings() (called from registeredInit())
857 // to parse it again; the file might have changed
858 delete mData->pMachineConfigFile;
859 mData->pMachineConfigFile = NULL;
860 }
861
862 rc = registeredInit();
863
864 if (SUCCEEDED(rc) && mData->mAccessible)
865 {
866 autoReinitSpan.setSucceeded();
867
868 /* make sure interesting parties will notice the accessibility
869 * state change */
870 mParent->onMachineStateChange(mData->mUuid, mData->mMachineState);
871 mParent->onMachineDataChange(mData->mUuid);
872 }
873 }
874
875 if (SUCCEEDED(rc))
876 *aAccessible = mData->mAccessible;
877
878 LogFlowThisFuncLeave();
879
880 return rc;
881}
882
883STDMETHODIMP Machine::COMGETTER(AccessError)(IVirtualBoxErrorInfo **aAccessError)
884{
885 CheckComArgOutPointerValid(aAccessError);
886
887 AutoLimitedCaller autoCaller(this);
888 if (FAILED(autoCaller.rc())) return autoCaller.rc();
889
890 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
891
892 if (mData->mAccessible || !mData->mAccessError.isBasicAvailable())
893 {
894 /* return shortly */
895 aAccessError = NULL;
896 return S_OK;
897 }
898
899 HRESULT rc = S_OK;
900
901 ComObjPtr<VirtualBoxErrorInfo> errorInfo;
902 rc = errorInfo.createObject();
903 if (SUCCEEDED(rc))
904 {
905 errorInfo->init(mData->mAccessError.getResultCode(),
906 mData->mAccessError.getInterfaceID().ref(),
907 Utf8Str(mData->mAccessError.getComponent()).c_str(),
908 Utf8Str(mData->mAccessError.getText()));
909 rc = errorInfo.queryInterfaceTo(aAccessError);
910 }
911
912 return rc;
913}
914
915STDMETHODIMP Machine::COMGETTER(Name)(BSTR *aName)
916{
917 CheckComArgOutPointerValid(aName);
918
919 AutoCaller autoCaller(this);
920 if (FAILED(autoCaller.rc())) return autoCaller.rc();
921
922 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
923
924 mUserData->s.strName.cloneTo(aName);
925
926 return S_OK;
927}
928
929STDMETHODIMP Machine::COMSETTER(Name)(IN_BSTR aName)
930{
931 CheckComArgStrNotEmptyOrNull(aName);
932
933 AutoCaller autoCaller(this);
934 if (FAILED(autoCaller.rc())) return autoCaller.rc();
935
936 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
937
938 HRESULT rc = checkStateDependency(MutableStateDep);
939 if (FAILED(rc)) return rc;
940
941 setModified(IsModified_MachineData);
942 mUserData.backup();
943 mUserData->s.strName = aName;
944
945 return S_OK;
946}
947
948STDMETHODIMP Machine::COMGETTER(Description)(BSTR *aDescription)
949{
950 CheckComArgOutPointerValid(aDescription);
951
952 AutoCaller autoCaller(this);
953 if (FAILED(autoCaller.rc())) return autoCaller.rc();
954
955 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
956
957 mUserData->s.strDescription.cloneTo(aDescription);
958
959 return S_OK;
960}
961
962STDMETHODIMP Machine::COMSETTER(Description)(IN_BSTR aDescription)
963{
964 AutoCaller autoCaller(this);
965 if (FAILED(autoCaller.rc())) return autoCaller.rc();
966
967 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
968
969 HRESULT rc = checkStateDependency(MutableStateDep);
970 if (FAILED(rc)) return rc;
971
972 setModified(IsModified_MachineData);
973 mUserData.backup();
974 mUserData->s.strDescription = aDescription;
975
976 return S_OK;
977}
978
979STDMETHODIMP Machine::COMGETTER(Id)(BSTR *aId)
980{
981 CheckComArgOutPointerValid(aId);
982
983 AutoLimitedCaller autoCaller(this);
984 if (FAILED(autoCaller.rc())) return autoCaller.rc();
985
986 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
987
988 mData->mUuid.toUtf16().cloneTo(aId);
989
990 return S_OK;
991}
992
993STDMETHODIMP Machine::COMGETTER(OSTypeId)(BSTR *aOSTypeId)
994{
995 CheckComArgOutPointerValid(aOSTypeId);
996
997 AutoCaller autoCaller(this);
998 if (FAILED(autoCaller.rc())) return autoCaller.rc();
999
1000 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1001
1002 mUserData->s.strOsType.cloneTo(aOSTypeId);
1003
1004 return S_OK;
1005}
1006
1007STDMETHODIMP Machine::COMSETTER(OSTypeId)(IN_BSTR aOSTypeId)
1008{
1009 CheckComArgStrNotEmptyOrNull(aOSTypeId);
1010
1011 AutoCaller autoCaller(this);
1012 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1013
1014 /* look up the object by Id to check it is valid */
1015 ComPtr<IGuestOSType> guestOSType;
1016 HRESULT rc = mParent->GetGuestOSType(aOSTypeId, guestOSType.asOutParam());
1017 if (FAILED(rc)) return rc;
1018
1019 /* when setting, always use the "etalon" value for consistency -- lookup
1020 * by ID is case-insensitive and the input value may have different case */
1021 Bstr osTypeId;
1022 rc = guestOSType->COMGETTER(Id)(osTypeId.asOutParam());
1023 if (FAILED(rc)) return rc;
1024
1025 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1026
1027 rc = checkStateDependency(MutableStateDep);
1028 if (FAILED(rc)) return rc;
1029
1030 setModified(IsModified_MachineData);
1031 mUserData.backup();
1032 mUserData->s.strOsType = osTypeId;
1033
1034 return S_OK;
1035}
1036
1037
1038STDMETHODIMP Machine::COMGETTER(FirmwareType)(FirmwareType_T *aFirmwareType)
1039{
1040 CheckComArgOutPointerValid(aFirmwareType);
1041
1042 AutoCaller autoCaller(this);
1043 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1044
1045 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1046
1047 *aFirmwareType = mHWData->mFirmwareType;
1048
1049 return S_OK;
1050}
1051
1052STDMETHODIMP Machine::COMSETTER(FirmwareType)(FirmwareType_T aFirmwareType)
1053{
1054 AutoCaller autoCaller(this);
1055 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1056 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1057
1058 int rc = checkStateDependency(MutableStateDep);
1059 if (FAILED(rc)) return rc;
1060
1061 setModified(IsModified_MachineData);
1062 mHWData.backup();
1063 mHWData->mFirmwareType = aFirmwareType;
1064
1065 return S_OK;
1066}
1067
1068STDMETHODIMP Machine::COMGETTER(KeyboardHidType)(KeyboardHidType_T *aKeyboardHidType)
1069{
1070 CheckComArgOutPointerValid(aKeyboardHidType);
1071
1072 AutoCaller autoCaller(this);
1073 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1074
1075 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1076
1077 *aKeyboardHidType = mHWData->mKeyboardHidType;
1078
1079 return S_OK;
1080}
1081
1082STDMETHODIMP Machine::COMSETTER(KeyboardHidType)(KeyboardHidType_T aKeyboardHidType)
1083{
1084 AutoCaller autoCaller(this);
1085 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1086 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1087
1088 int rc = checkStateDependency(MutableStateDep);
1089 if (FAILED(rc)) return rc;
1090
1091 setModified(IsModified_MachineData);
1092 mHWData.backup();
1093 mHWData->mKeyboardHidType = aKeyboardHidType;
1094
1095 return S_OK;
1096}
1097
1098STDMETHODIMP Machine::COMGETTER(PointingHidType)(PointingHidType_T *aPointingHidType)
1099{
1100 CheckComArgOutPointerValid(aPointingHidType);
1101
1102 AutoCaller autoCaller(this);
1103 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1104
1105 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1106
1107 *aPointingHidType = mHWData->mPointingHidType;
1108
1109 return S_OK;
1110}
1111
1112STDMETHODIMP Machine::COMSETTER(PointingHidType)(PointingHidType_T aPointingHidType)
1113{
1114 AutoCaller autoCaller(this);
1115 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1116 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1117
1118 int rc = checkStateDependency(MutableStateDep);
1119 if (FAILED(rc)) return rc;
1120
1121 setModified(IsModified_MachineData);
1122 mHWData.backup();
1123 mHWData->mPointingHidType = aPointingHidType;
1124
1125 return S_OK;
1126}
1127
1128STDMETHODIMP Machine::COMGETTER(ChipsetType)(ChipsetType_T *aChipsetType)
1129{
1130 CheckComArgOutPointerValid(aChipsetType);
1131
1132 AutoCaller autoCaller(this);
1133 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1134
1135 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1136
1137 *aChipsetType = mHWData->mChipsetType;
1138
1139 return S_OK;
1140}
1141
1142STDMETHODIMP Machine::COMSETTER(ChipsetType)(ChipsetType_T aChipsetType)
1143{
1144 AutoCaller autoCaller(this);
1145 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1146 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1147
1148 int rc = checkStateDependency(MutableStateDep);
1149 if (FAILED(rc)) return rc;
1150
1151 setModified(IsModified_MachineData);
1152 mHWData.backup();
1153 mHWData->mChipsetType = aChipsetType;
1154
1155 return S_OK;
1156}
1157
1158STDMETHODIMP Machine::COMGETTER(HardwareVersion)(BSTR *aHWVersion)
1159{
1160 if (!aHWVersion)
1161 return E_POINTER;
1162
1163 AutoCaller autoCaller(this);
1164 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1165
1166 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1167
1168 mHWData->mHWVersion.cloneTo(aHWVersion);
1169
1170 return S_OK;
1171}
1172
1173STDMETHODIMP Machine::COMSETTER(HardwareVersion)(IN_BSTR aHWVersion)
1174{
1175 /* check known version */
1176 Utf8Str hwVersion = aHWVersion;
1177 if ( hwVersion.compare("1") != 0
1178 && hwVersion.compare("2") != 0)
1179 return setError(E_INVALIDARG,
1180 tr("Invalid hardware version: %ls\n"), aHWVersion);
1181
1182 AutoCaller autoCaller(this);
1183 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1184
1185 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1186
1187 HRESULT rc = checkStateDependency(MutableStateDep);
1188 if (FAILED(rc)) return rc;
1189
1190 setModified(IsModified_MachineData);
1191 mHWData.backup();
1192 mHWData->mHWVersion = hwVersion;
1193
1194 return S_OK;
1195}
1196
1197STDMETHODIMP Machine::COMGETTER(HardwareUUID)(BSTR *aUUID)
1198{
1199 CheckComArgOutPointerValid(aUUID);
1200
1201 AutoCaller autoCaller(this);
1202 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1203
1204 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1205
1206 if (!mHWData->mHardwareUUID.isEmpty())
1207 mHWData->mHardwareUUID.toUtf16().cloneTo(aUUID);
1208 else
1209 mData->mUuid.toUtf16().cloneTo(aUUID);
1210
1211 return S_OK;
1212}
1213
1214STDMETHODIMP Machine::COMSETTER(HardwareUUID)(IN_BSTR aUUID)
1215{
1216 Guid hardwareUUID(aUUID);
1217 if (hardwareUUID.isEmpty())
1218 return E_INVALIDARG;
1219
1220 AutoCaller autoCaller(this);
1221 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1222
1223 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1224
1225 HRESULT rc = checkStateDependency(MutableStateDep);
1226 if (FAILED(rc)) return rc;
1227
1228 setModified(IsModified_MachineData);
1229 mHWData.backup();
1230 if (hardwareUUID == mData->mUuid)
1231 mHWData->mHardwareUUID.clear();
1232 else
1233 mHWData->mHardwareUUID = hardwareUUID;
1234
1235 return S_OK;
1236}
1237
1238STDMETHODIMP Machine::COMGETTER(MemorySize)(ULONG *memorySize)
1239{
1240 if (!memorySize)
1241 return E_POINTER;
1242
1243 AutoCaller autoCaller(this);
1244 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1245
1246 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1247
1248 *memorySize = mHWData->mMemorySize;
1249
1250 return S_OK;
1251}
1252
1253STDMETHODIMP Machine::COMSETTER(MemorySize)(ULONG memorySize)
1254{
1255 /* check RAM limits */
1256 if ( memorySize < MM_RAM_MIN_IN_MB
1257 || memorySize > MM_RAM_MAX_IN_MB
1258 )
1259 return setError(E_INVALIDARG,
1260 tr("Invalid RAM size: %lu MB (must be in range [%lu, %lu] MB)"),
1261 memorySize, MM_RAM_MIN_IN_MB, MM_RAM_MAX_IN_MB);
1262
1263 AutoCaller autoCaller(this);
1264 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1265
1266 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1267
1268 HRESULT rc = checkStateDependency(MutableStateDep);
1269 if (FAILED(rc)) return rc;
1270
1271 setModified(IsModified_MachineData);
1272 mHWData.backup();
1273 mHWData->mMemorySize = memorySize;
1274
1275 return S_OK;
1276}
1277
1278STDMETHODIMP Machine::COMGETTER(CPUCount)(ULONG *CPUCount)
1279{
1280 if (!CPUCount)
1281 return E_POINTER;
1282
1283 AutoCaller autoCaller(this);
1284 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1285
1286 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1287
1288 *CPUCount = mHWData->mCPUCount;
1289
1290 return S_OK;
1291}
1292
1293STDMETHODIMP Machine::COMSETTER(CPUCount)(ULONG CPUCount)
1294{
1295 /* check CPU limits */
1296 if ( CPUCount < SchemaDefs::MinCPUCount
1297 || CPUCount > SchemaDefs::MaxCPUCount
1298 )
1299 return setError(E_INVALIDARG,
1300 tr("Invalid virtual CPU count: %lu (must be in range [%lu, %lu])"),
1301 CPUCount, SchemaDefs::MinCPUCount, SchemaDefs::MaxCPUCount);
1302
1303 AutoCaller autoCaller(this);
1304 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1305
1306 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1307
1308 /* We cant go below the current number of CPUs if hotplug is enabled*/
1309 if (mHWData->mCPUHotPlugEnabled)
1310 {
1311 for (unsigned idx = CPUCount; idx < SchemaDefs::MaxCPUCount; idx++)
1312 {
1313 if (mHWData->mCPUAttached[idx])
1314 return setError(E_INVALIDARG,
1315 tr(": %lu (must be higher than or equal to %lu)"),
1316 CPUCount, idx+1);
1317 }
1318 }
1319
1320 HRESULT rc = checkStateDependency(MutableStateDep);
1321 if (FAILED(rc)) return rc;
1322
1323 setModified(IsModified_MachineData);
1324 mHWData.backup();
1325 mHWData->mCPUCount = CPUCount;
1326
1327 return S_OK;
1328}
1329
1330STDMETHODIMP Machine::COMGETTER(CPUExecutionCap)(ULONG *aExecutionCap)
1331{
1332 if (!aExecutionCap)
1333 return E_POINTER;
1334
1335 AutoCaller autoCaller(this);
1336 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1337
1338 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1339
1340 *aExecutionCap = mHWData->mCpuExecutionCap;
1341
1342 return S_OK;
1343}
1344
1345STDMETHODIMP Machine::COMSETTER(CPUExecutionCap)(ULONG aExecutionCap)
1346{
1347 HRESULT rc = S_OK;
1348
1349 /* check throttle limits */
1350 if ( aExecutionCap < 1
1351 || aExecutionCap > 100
1352 )
1353 return setError(E_INVALIDARG,
1354 tr("Invalid CPU execution cap value: %lu (must be in range [%lu, %lu])"),
1355 aExecutionCap, 1, 100);
1356
1357 AutoCaller autoCaller(this);
1358 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1359
1360 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1361
1362 alock.release();
1363 rc = onCPUExecutionCapChange(aExecutionCap);
1364 alock.acquire();
1365 if (FAILED(rc)) return rc;
1366
1367 setModified(IsModified_MachineData);
1368 mHWData.backup();
1369 mHWData->mCpuExecutionCap = aExecutionCap;
1370
1371 /* Save settings if online - todo why is this required?? */
1372 if (Global::IsOnline(mData->mMachineState))
1373 saveSettings(NULL);
1374
1375 return S_OK;
1376}
1377
1378
1379STDMETHODIMP Machine::COMGETTER(CPUHotPlugEnabled)(BOOL *enabled)
1380{
1381 if (!enabled)
1382 return E_POINTER;
1383
1384 AutoCaller autoCaller(this);
1385 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1386
1387 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1388
1389 *enabled = mHWData->mCPUHotPlugEnabled;
1390
1391 return S_OK;
1392}
1393
1394STDMETHODIMP Machine::COMSETTER(CPUHotPlugEnabled)(BOOL enabled)
1395{
1396 HRESULT rc = S_OK;
1397
1398 AutoCaller autoCaller(this);
1399 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1400
1401 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1402
1403 rc = checkStateDependency(MutableStateDep);
1404 if (FAILED(rc)) return rc;
1405
1406 if (mHWData->mCPUHotPlugEnabled != enabled)
1407 {
1408 if (enabled)
1409 {
1410 setModified(IsModified_MachineData);
1411 mHWData.backup();
1412
1413 /* Add the amount of CPUs currently attached */
1414 for (unsigned i = 0; i < mHWData->mCPUCount; i++)
1415 {
1416 mHWData->mCPUAttached[i] = true;
1417 }
1418 }
1419 else
1420 {
1421 /*
1422 * We can disable hotplug only if the amount of maximum CPUs is equal
1423 * to the amount of attached CPUs
1424 */
1425 unsigned cCpusAttached = 0;
1426 unsigned iHighestId = 0;
1427
1428 for (unsigned i = 0; i < SchemaDefs::MaxCPUCount; i++)
1429 {
1430 if (mHWData->mCPUAttached[i])
1431 {
1432 cCpusAttached++;
1433 iHighestId = i;
1434 }
1435 }
1436
1437 if ( (cCpusAttached != mHWData->mCPUCount)
1438 || (iHighestId >= mHWData->mCPUCount))
1439 return setError(E_INVALIDARG,
1440 tr("CPU hotplugging can't be disabled because the maximum number of CPUs is not equal to the amount of CPUs attached\n"));
1441
1442 setModified(IsModified_MachineData);
1443 mHWData.backup();
1444 }
1445 }
1446
1447 mHWData->mCPUHotPlugEnabled = enabled;
1448
1449 return rc;
1450}
1451
1452STDMETHODIMP Machine::COMGETTER(HpetEnabled)(BOOL *enabled)
1453{
1454 CheckComArgOutPointerValid(enabled);
1455
1456 AutoCaller autoCaller(this);
1457 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1458 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1459
1460 *enabled = mHWData->mHpetEnabled;
1461
1462 return S_OK;
1463}
1464
1465STDMETHODIMP Machine::COMSETTER(HpetEnabled)(BOOL enabled)
1466{
1467 HRESULT rc = S_OK;
1468
1469 AutoCaller autoCaller(this);
1470 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1471 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1472
1473 rc = checkStateDependency(MutableStateDep);
1474 if (FAILED(rc)) return rc;
1475
1476 setModified(IsModified_MachineData);
1477 mHWData.backup();
1478
1479 mHWData->mHpetEnabled = enabled;
1480
1481 return rc;
1482}
1483
1484STDMETHODIMP Machine::COMGETTER(VRAMSize)(ULONG *memorySize)
1485{
1486 if (!memorySize)
1487 return E_POINTER;
1488
1489 AutoCaller autoCaller(this);
1490 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1491
1492 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1493
1494 *memorySize = mHWData->mVRAMSize;
1495
1496 return S_OK;
1497}
1498
1499STDMETHODIMP Machine::COMSETTER(VRAMSize)(ULONG memorySize)
1500{
1501 /* check VRAM limits */
1502 if (memorySize < SchemaDefs::MinGuestVRAM ||
1503 memorySize > SchemaDefs::MaxGuestVRAM)
1504 return setError(E_INVALIDARG,
1505 tr("Invalid VRAM size: %lu MB (must be in range [%lu, %lu] MB)"),
1506 memorySize, SchemaDefs::MinGuestVRAM, SchemaDefs::MaxGuestVRAM);
1507
1508 AutoCaller autoCaller(this);
1509 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1510
1511 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1512
1513 HRESULT rc = checkStateDependency(MutableStateDep);
1514 if (FAILED(rc)) return rc;
1515
1516 setModified(IsModified_MachineData);
1517 mHWData.backup();
1518 mHWData->mVRAMSize = memorySize;
1519
1520 return S_OK;
1521}
1522
1523/** @todo this method should not be public */
1524STDMETHODIMP Machine::COMGETTER(MemoryBalloonSize)(ULONG *memoryBalloonSize)
1525{
1526 if (!memoryBalloonSize)
1527 return E_POINTER;
1528
1529 AutoCaller autoCaller(this);
1530 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1531
1532 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1533
1534 *memoryBalloonSize = mHWData->mMemoryBalloonSize;
1535
1536 return S_OK;
1537}
1538
1539/**
1540 * Set the memory balloon size.
1541 *
1542 * This method is also called from IGuest::COMSETTER(MemoryBalloonSize) so
1543 * we have to make sure that we never call IGuest from here.
1544 */
1545STDMETHODIMP Machine::COMSETTER(MemoryBalloonSize)(ULONG memoryBalloonSize)
1546{
1547 /* This must match GMMR0Init; currently we only support memory ballooning on all 64-bit hosts except Mac OS X */
1548#if HC_ARCH_BITS == 64 && (defined(RT_OS_WINDOWS) || defined(RT_OS_SOLARIS) || defined(RT_OS_LINUX) || defined(RT_OS_FREEBSD))
1549 /* check limits */
1550 if (memoryBalloonSize >= VMMDEV_MAX_MEMORY_BALLOON(mHWData->mMemorySize))
1551 return setError(E_INVALIDARG,
1552 tr("Invalid memory balloon size: %lu MB (must be in range [%lu, %lu] MB)"),
1553 memoryBalloonSize, 0, VMMDEV_MAX_MEMORY_BALLOON(mHWData->mMemorySize));
1554
1555 AutoCaller autoCaller(this);
1556 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1557
1558 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1559
1560 setModified(IsModified_MachineData);
1561 mHWData.backup();
1562 mHWData->mMemoryBalloonSize = memoryBalloonSize;
1563
1564 return S_OK;
1565#else
1566 NOREF(memoryBalloonSize);
1567 return setError(E_NOTIMPL, tr("Memory ballooning is only supported on 64-bit hosts"));
1568#endif
1569}
1570
1571STDMETHODIMP Machine::COMGETTER(PageFusionEnabled) (BOOL *enabled)
1572{
1573 if (!enabled)
1574 return E_POINTER;
1575
1576 AutoCaller autoCaller(this);
1577 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1578
1579 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1580
1581 *enabled = mHWData->mPageFusionEnabled;
1582 return S_OK;
1583}
1584
1585STDMETHODIMP Machine::COMSETTER(PageFusionEnabled) (BOOL enabled)
1586{
1587#ifdef VBOX_WITH_PAGE_SHARING
1588 AutoCaller autoCaller(this);
1589 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1590
1591 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1592
1593 /** @todo must support changes for running vms and keep this in sync with IGuest. */
1594 setModified(IsModified_MachineData);
1595 mHWData.backup();
1596 mHWData->mPageFusionEnabled = enabled;
1597 return S_OK;
1598#else
1599 NOREF(enabled);
1600 return setError(E_NOTIMPL, tr("Page fusion is only supported on 64-bit hosts"));
1601#endif
1602}
1603
1604STDMETHODIMP Machine::COMGETTER(Accelerate3DEnabled)(BOOL *enabled)
1605{
1606 if (!enabled)
1607 return E_POINTER;
1608
1609 AutoCaller autoCaller(this);
1610 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1611
1612 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1613
1614 *enabled = mHWData->mAccelerate3DEnabled;
1615
1616 return S_OK;
1617}
1618
1619STDMETHODIMP Machine::COMSETTER(Accelerate3DEnabled)(BOOL enable)
1620{
1621 AutoCaller autoCaller(this);
1622 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1623
1624 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1625
1626 HRESULT rc = checkStateDependency(MutableStateDep);
1627 if (FAILED(rc)) return rc;
1628
1629 /** @todo check validity! */
1630
1631 setModified(IsModified_MachineData);
1632 mHWData.backup();
1633 mHWData->mAccelerate3DEnabled = enable;
1634
1635 return S_OK;
1636}
1637
1638
1639STDMETHODIMP Machine::COMGETTER(Accelerate2DVideoEnabled)(BOOL *enabled)
1640{
1641 if (!enabled)
1642 return E_POINTER;
1643
1644 AutoCaller autoCaller(this);
1645 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1646
1647 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1648
1649 *enabled = mHWData->mAccelerate2DVideoEnabled;
1650
1651 return S_OK;
1652}
1653
1654STDMETHODIMP Machine::COMSETTER(Accelerate2DVideoEnabled)(BOOL enable)
1655{
1656 AutoCaller autoCaller(this);
1657 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1658
1659 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1660
1661 HRESULT rc = checkStateDependency(MutableStateDep);
1662 if (FAILED(rc)) return rc;
1663
1664 /** @todo check validity! */
1665
1666 setModified(IsModified_MachineData);
1667 mHWData.backup();
1668 mHWData->mAccelerate2DVideoEnabled = enable;
1669
1670 return S_OK;
1671}
1672
1673STDMETHODIMP Machine::COMGETTER(MonitorCount)(ULONG *monitorCount)
1674{
1675 if (!monitorCount)
1676 return E_POINTER;
1677
1678 AutoCaller autoCaller(this);
1679 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1680
1681 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1682
1683 *monitorCount = mHWData->mMonitorCount;
1684
1685 return S_OK;
1686}
1687
1688STDMETHODIMP Machine::COMSETTER(MonitorCount)(ULONG monitorCount)
1689{
1690 /* make sure monitor count is a sensible number */
1691 if (monitorCount < 1 || monitorCount > SchemaDefs::MaxGuestMonitors)
1692 return setError(E_INVALIDARG,
1693 tr("Invalid monitor count: %lu (must be in range [%lu, %lu])"),
1694 monitorCount, 1, SchemaDefs::MaxGuestMonitors);
1695
1696 AutoCaller autoCaller(this);
1697 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1698
1699 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1700
1701 HRESULT rc = checkStateDependency(MutableStateDep);
1702 if (FAILED(rc)) return rc;
1703
1704 setModified(IsModified_MachineData);
1705 mHWData.backup();
1706 mHWData->mMonitorCount = monitorCount;
1707
1708 return S_OK;
1709}
1710
1711STDMETHODIMP Machine::COMGETTER(BIOSSettings)(IBIOSSettings **biosSettings)
1712{
1713 if (!biosSettings)
1714 return E_POINTER;
1715
1716 AutoCaller autoCaller(this);
1717 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1718
1719 /* mBIOSSettings is constant during life time, no need to lock */
1720 mBIOSSettings.queryInterfaceTo(biosSettings);
1721
1722 return S_OK;
1723}
1724
1725STDMETHODIMP Machine::GetCPUProperty(CPUPropertyType_T property, BOOL *aVal)
1726{
1727 if (!aVal)
1728 return E_POINTER;
1729
1730 AutoCaller autoCaller(this);
1731 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1732
1733 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1734
1735 switch(property)
1736 {
1737 case CPUPropertyType_PAE:
1738 *aVal = mHWData->mPAEEnabled;
1739 break;
1740
1741 case CPUPropertyType_Synthetic:
1742 *aVal = mHWData->mSyntheticCpu;
1743 break;
1744
1745 default:
1746 return E_INVALIDARG;
1747 }
1748 return S_OK;
1749}
1750
1751STDMETHODIMP Machine::SetCPUProperty(CPUPropertyType_T property, BOOL aVal)
1752{
1753 AutoCaller autoCaller(this);
1754 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1755
1756 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1757
1758 HRESULT rc = checkStateDependency(MutableStateDep);
1759 if (FAILED(rc)) return rc;
1760
1761 switch(property)
1762 {
1763 case CPUPropertyType_PAE:
1764 setModified(IsModified_MachineData);
1765 mHWData.backup();
1766 mHWData->mPAEEnabled = !!aVal;
1767 break;
1768
1769 case CPUPropertyType_Synthetic:
1770 setModified(IsModified_MachineData);
1771 mHWData.backup();
1772 mHWData->mSyntheticCpu = !!aVal;
1773 break;
1774
1775 default:
1776 return E_INVALIDARG;
1777 }
1778 return S_OK;
1779}
1780
1781STDMETHODIMP Machine::GetCPUIDLeaf(ULONG aId, ULONG *aValEax, ULONG *aValEbx, ULONG *aValEcx, ULONG *aValEdx)
1782{
1783 CheckComArgOutPointerValid(aValEax);
1784 CheckComArgOutPointerValid(aValEbx);
1785 CheckComArgOutPointerValid(aValEcx);
1786 CheckComArgOutPointerValid(aValEdx);
1787
1788 AutoCaller autoCaller(this);
1789 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1790
1791 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1792
1793 switch(aId)
1794 {
1795 case 0x0:
1796 case 0x1:
1797 case 0x2:
1798 case 0x3:
1799 case 0x4:
1800 case 0x5:
1801 case 0x6:
1802 case 0x7:
1803 case 0x8:
1804 case 0x9:
1805 case 0xA:
1806 if (mHWData->mCpuIdStdLeafs[aId].ulId != aId)
1807 return setError(E_INVALIDARG, tr("CpuId override leaf %#x is not set"), aId);
1808
1809 *aValEax = mHWData->mCpuIdStdLeafs[aId].ulEax;
1810 *aValEbx = mHWData->mCpuIdStdLeafs[aId].ulEbx;
1811 *aValEcx = mHWData->mCpuIdStdLeafs[aId].ulEcx;
1812 *aValEdx = mHWData->mCpuIdStdLeafs[aId].ulEdx;
1813 break;
1814
1815 case 0x80000000:
1816 case 0x80000001:
1817 case 0x80000002:
1818 case 0x80000003:
1819 case 0x80000004:
1820 case 0x80000005:
1821 case 0x80000006:
1822 case 0x80000007:
1823 case 0x80000008:
1824 case 0x80000009:
1825 case 0x8000000A:
1826 if (mHWData->mCpuIdExtLeafs[aId - 0x80000000].ulId != aId)
1827 return setError(E_INVALIDARG, tr("CpuId override leaf %#x is not set"), aId);
1828
1829 *aValEax = mHWData->mCpuIdExtLeafs[aId - 0x80000000].ulEax;
1830 *aValEbx = mHWData->mCpuIdExtLeafs[aId - 0x80000000].ulEbx;
1831 *aValEcx = mHWData->mCpuIdExtLeafs[aId - 0x80000000].ulEcx;
1832 *aValEdx = mHWData->mCpuIdExtLeafs[aId - 0x80000000].ulEdx;
1833 break;
1834
1835 default:
1836 return setError(E_INVALIDARG, tr("CpuId override leaf %#x is out of range"), aId);
1837 }
1838 return S_OK;
1839}
1840
1841STDMETHODIMP Machine::SetCPUIDLeaf(ULONG aId, ULONG aValEax, ULONG aValEbx, ULONG aValEcx, ULONG aValEdx)
1842{
1843 AutoCaller autoCaller(this);
1844 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1845
1846 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1847
1848 HRESULT rc = checkStateDependency(MutableStateDep);
1849 if (FAILED(rc)) return rc;
1850
1851 switch(aId)
1852 {
1853 case 0x0:
1854 case 0x1:
1855 case 0x2:
1856 case 0x3:
1857 case 0x4:
1858 case 0x5:
1859 case 0x6:
1860 case 0x7:
1861 case 0x8:
1862 case 0x9:
1863 case 0xA:
1864 AssertCompile(RT_ELEMENTS(mHWData->mCpuIdStdLeafs) == 0xA);
1865 AssertRelease(aId < RT_ELEMENTS(mHWData->mCpuIdStdLeafs));
1866 setModified(IsModified_MachineData);
1867 mHWData.backup();
1868 mHWData->mCpuIdStdLeafs[aId].ulId = aId;
1869 mHWData->mCpuIdStdLeafs[aId].ulEax = aValEax;
1870 mHWData->mCpuIdStdLeafs[aId].ulEbx = aValEbx;
1871 mHWData->mCpuIdStdLeafs[aId].ulEcx = aValEcx;
1872 mHWData->mCpuIdStdLeafs[aId].ulEdx = aValEdx;
1873 break;
1874
1875 case 0x80000000:
1876 case 0x80000001:
1877 case 0x80000002:
1878 case 0x80000003:
1879 case 0x80000004:
1880 case 0x80000005:
1881 case 0x80000006:
1882 case 0x80000007:
1883 case 0x80000008:
1884 case 0x80000009:
1885 case 0x8000000A:
1886 AssertCompile(RT_ELEMENTS(mHWData->mCpuIdExtLeafs) == 0xA);
1887 AssertRelease(aId - 0x80000000 < RT_ELEMENTS(mHWData->mCpuIdExtLeafs));
1888 setModified(IsModified_MachineData);
1889 mHWData.backup();
1890 mHWData->mCpuIdExtLeafs[aId - 0x80000000].ulId = aId;
1891 mHWData->mCpuIdExtLeafs[aId - 0x80000000].ulEax = aValEax;
1892 mHWData->mCpuIdExtLeafs[aId - 0x80000000].ulEbx = aValEbx;
1893 mHWData->mCpuIdExtLeafs[aId - 0x80000000].ulEcx = aValEcx;
1894 mHWData->mCpuIdExtLeafs[aId - 0x80000000].ulEdx = aValEdx;
1895 break;
1896
1897 default:
1898 return setError(E_INVALIDARG, tr("CpuId override leaf %#x is out of range"), aId);
1899 }
1900 return S_OK;
1901}
1902
1903STDMETHODIMP Machine::RemoveCPUIDLeaf(ULONG aId)
1904{
1905 AutoCaller autoCaller(this);
1906 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1907
1908 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1909
1910 HRESULT rc = checkStateDependency(MutableStateDep);
1911 if (FAILED(rc)) return rc;
1912
1913 switch(aId)
1914 {
1915 case 0x0:
1916 case 0x1:
1917 case 0x2:
1918 case 0x3:
1919 case 0x4:
1920 case 0x5:
1921 case 0x6:
1922 case 0x7:
1923 case 0x8:
1924 case 0x9:
1925 case 0xA:
1926 AssertCompile(RT_ELEMENTS(mHWData->mCpuIdStdLeafs) == 0xA);
1927 AssertRelease(aId < RT_ELEMENTS(mHWData->mCpuIdStdLeafs));
1928 setModified(IsModified_MachineData);
1929 mHWData.backup();
1930 /* Invalidate leaf. */
1931 mHWData->mCpuIdStdLeafs[aId].ulId = UINT32_MAX;
1932 break;
1933
1934 case 0x80000000:
1935 case 0x80000001:
1936 case 0x80000002:
1937 case 0x80000003:
1938 case 0x80000004:
1939 case 0x80000005:
1940 case 0x80000006:
1941 case 0x80000007:
1942 case 0x80000008:
1943 case 0x80000009:
1944 case 0x8000000A:
1945 AssertCompile(RT_ELEMENTS(mHWData->mCpuIdExtLeafs) == 0xA);
1946 AssertRelease(aId - 0x80000000 < RT_ELEMENTS(mHWData->mCpuIdExtLeafs));
1947 setModified(IsModified_MachineData);
1948 mHWData.backup();
1949 /* Invalidate leaf. */
1950 mHWData->mCpuIdExtLeafs[aId - 0x80000000].ulId = UINT32_MAX;
1951 break;
1952
1953 default:
1954 return setError(E_INVALIDARG, tr("CpuId override leaf %#x is out of range"), aId);
1955 }
1956 return S_OK;
1957}
1958
1959STDMETHODIMP Machine::RemoveAllCPUIDLeaves()
1960{
1961 AutoCaller autoCaller(this);
1962 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1963
1964 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1965
1966 HRESULT rc = checkStateDependency(MutableStateDep);
1967 if (FAILED(rc)) return rc;
1968
1969 setModified(IsModified_MachineData);
1970 mHWData.backup();
1971
1972 /* Invalidate all standard leafs. */
1973 for (unsigned i = 0; i < RT_ELEMENTS(mHWData->mCpuIdStdLeafs); i++)
1974 mHWData->mCpuIdStdLeafs[i].ulId = UINT32_MAX;
1975
1976 /* Invalidate all extended leafs. */
1977 for (unsigned i = 0; i < RT_ELEMENTS(mHWData->mCpuIdExtLeafs); i++)
1978 mHWData->mCpuIdExtLeafs[i].ulId = UINT32_MAX;
1979
1980 return S_OK;
1981}
1982
1983STDMETHODIMP Machine::GetHWVirtExProperty(HWVirtExPropertyType_T property, BOOL *aVal)
1984{
1985 if (!aVal)
1986 return E_POINTER;
1987
1988 AutoCaller autoCaller(this);
1989 if (FAILED(autoCaller.rc())) return autoCaller.rc();
1990
1991 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1992
1993 switch(property)
1994 {
1995 case HWVirtExPropertyType_Enabled:
1996 *aVal = mHWData->mHWVirtExEnabled;
1997 break;
1998
1999 case HWVirtExPropertyType_Exclusive:
2000 *aVal = mHWData->mHWVirtExExclusive;
2001 break;
2002
2003 case HWVirtExPropertyType_VPID:
2004 *aVal = mHWData->mHWVirtExVPIDEnabled;
2005 break;
2006
2007 case HWVirtExPropertyType_NestedPaging:
2008 *aVal = mHWData->mHWVirtExNestedPagingEnabled;
2009 break;
2010
2011 case HWVirtExPropertyType_LargePages:
2012 *aVal = mHWData->mHWVirtExLargePagesEnabled;
2013 break;
2014
2015 case HWVirtExPropertyType_Force:
2016 *aVal = mHWData->mHWVirtExForceEnabled;
2017 break;
2018
2019 default:
2020 return E_INVALIDARG;
2021 }
2022 return S_OK;
2023}
2024
2025STDMETHODIMP Machine::SetHWVirtExProperty(HWVirtExPropertyType_T property, BOOL aVal)
2026{
2027 AutoCaller autoCaller(this);
2028 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2029
2030 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2031
2032 HRESULT rc = checkStateDependency(MutableStateDep);
2033 if (FAILED(rc)) return rc;
2034
2035 switch(property)
2036 {
2037 case HWVirtExPropertyType_Enabled:
2038 setModified(IsModified_MachineData);
2039 mHWData.backup();
2040 mHWData->mHWVirtExEnabled = !!aVal;
2041 break;
2042
2043 case HWVirtExPropertyType_Exclusive:
2044 setModified(IsModified_MachineData);
2045 mHWData.backup();
2046 mHWData->mHWVirtExExclusive = !!aVal;
2047 break;
2048
2049 case HWVirtExPropertyType_VPID:
2050 setModified(IsModified_MachineData);
2051 mHWData.backup();
2052 mHWData->mHWVirtExVPIDEnabled = !!aVal;
2053 break;
2054
2055 case HWVirtExPropertyType_NestedPaging:
2056 setModified(IsModified_MachineData);
2057 mHWData.backup();
2058 mHWData->mHWVirtExNestedPagingEnabled = !!aVal;
2059 break;
2060
2061 case HWVirtExPropertyType_LargePages:
2062 setModified(IsModified_MachineData);
2063 mHWData.backup();
2064 mHWData->mHWVirtExLargePagesEnabled = !!aVal;
2065 break;
2066
2067 case HWVirtExPropertyType_Force:
2068 setModified(IsModified_MachineData);
2069 mHWData.backup();
2070 mHWData->mHWVirtExForceEnabled = !!aVal;
2071 break;
2072
2073 default:
2074 return E_INVALIDARG;
2075 }
2076
2077 return S_OK;
2078}
2079
2080STDMETHODIMP Machine::COMGETTER(SnapshotFolder)(BSTR *aSnapshotFolder)
2081{
2082 CheckComArgOutPointerValid(aSnapshotFolder);
2083
2084 AutoCaller autoCaller(this);
2085 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2086
2087 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2088
2089 Utf8Str strFullSnapshotFolder;
2090 calculateFullPath(mUserData->s.strSnapshotFolder, strFullSnapshotFolder);
2091 strFullSnapshotFolder.cloneTo(aSnapshotFolder);
2092
2093 return S_OK;
2094}
2095
2096STDMETHODIMP Machine::COMSETTER(SnapshotFolder)(IN_BSTR aSnapshotFolder)
2097{
2098 /* @todo (r=dmik):
2099 * 1. Allow to change the name of the snapshot folder containing snapshots
2100 * 2. Rename the folder on disk instead of just changing the property
2101 * value (to be smart and not to leave garbage). Note that it cannot be
2102 * done here because the change may be rolled back. Thus, the right
2103 * place is #saveSettings().
2104 */
2105
2106 AutoCaller autoCaller(this);
2107 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2108
2109 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2110
2111 HRESULT rc = checkStateDependency(MutableStateDep);
2112 if (FAILED(rc)) return rc;
2113
2114 if (!mData->mCurrentSnapshot.isNull())
2115 return setError(E_FAIL,
2116 tr("The snapshot folder of a machine with snapshots cannot be changed (please delete all snapshots first)"));
2117
2118 Utf8Str strSnapshotFolder0(aSnapshotFolder); // keep original
2119
2120 Utf8Str strSnapshotFolder(strSnapshotFolder0);
2121 if (strSnapshotFolder.isEmpty())
2122 strSnapshotFolder = "Snapshots";
2123 int vrc = calculateFullPath(strSnapshotFolder,
2124 strSnapshotFolder);
2125 if (RT_FAILURE(vrc))
2126 return setError(E_FAIL,
2127 tr("Invalid snapshot folder '%ls' (%Rrc)"),
2128 aSnapshotFolder, vrc);
2129
2130 setModified(IsModified_MachineData);
2131 mUserData.backup();
2132
2133 copyPathRelativeToMachine(strSnapshotFolder, mUserData->s.strSnapshotFolder);
2134
2135 return S_OK;
2136}
2137
2138STDMETHODIMP Machine::COMGETTER(MediumAttachments)(ComSafeArrayOut(IMediumAttachment*, aAttachments))
2139{
2140 if (ComSafeArrayOutIsNull(aAttachments))
2141 return E_POINTER;
2142
2143 AutoCaller autoCaller(this);
2144 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2145
2146 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2147
2148 SafeIfaceArray<IMediumAttachment> attachments(mMediaData->mAttachments);
2149 attachments.detachTo(ComSafeArrayOutArg(aAttachments));
2150
2151 return S_OK;
2152}
2153
2154STDMETHODIMP Machine::COMGETTER(VRDEServer)(IVRDEServer **vrdeServer)
2155{
2156 if (!vrdeServer)
2157 return E_POINTER;
2158
2159 AutoCaller autoCaller(this);
2160 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2161
2162 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2163
2164 Assert(!!mVRDEServer);
2165 mVRDEServer.queryInterfaceTo(vrdeServer);
2166
2167 return S_OK;
2168}
2169
2170STDMETHODIMP Machine::COMGETTER(AudioAdapter)(IAudioAdapter **audioAdapter)
2171{
2172 if (!audioAdapter)
2173 return E_POINTER;
2174
2175 AutoCaller autoCaller(this);
2176 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2177
2178 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2179
2180 mAudioAdapter.queryInterfaceTo(audioAdapter);
2181 return S_OK;
2182}
2183
2184STDMETHODIMP Machine::COMGETTER(USBController)(IUSBController **aUSBController)
2185{
2186#ifdef VBOX_WITH_VUSB
2187 CheckComArgOutPointerValid(aUSBController);
2188
2189 AutoCaller autoCaller(this);
2190 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2191 MultiResult rc(S_OK);
2192
2193# ifdef VBOX_WITH_USB
2194 rc = mParent->host()->checkUSBProxyService();
2195 if (FAILED(rc)) return rc;
2196# endif
2197
2198 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2199
2200 return rc = mUSBController.queryInterfaceTo(aUSBController);
2201#else
2202 /* Note: The GUI depends on this method returning E_NOTIMPL with no
2203 * extended error info to indicate that USB is simply not available
2204 * (w/o treating it as a failure), for example, as in OSE */
2205 NOREF(aUSBController);
2206 ReturnComNotImplemented();
2207#endif /* VBOX_WITH_VUSB */
2208}
2209
2210STDMETHODIMP Machine::COMGETTER(SettingsFilePath)(BSTR *aFilePath)
2211{
2212 CheckComArgOutPointerValid(aFilePath);
2213
2214 AutoLimitedCaller autoCaller(this);
2215 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2216
2217 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2218
2219 mData->m_strConfigFileFull.cloneTo(aFilePath);
2220 return S_OK;
2221}
2222
2223STDMETHODIMP Machine::COMGETTER(SettingsModified)(BOOL *aModified)
2224{
2225 CheckComArgOutPointerValid(aModified);
2226
2227 AutoCaller autoCaller(this);
2228 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2229
2230 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2231
2232 HRESULT rc = checkStateDependency(MutableStateDep);
2233 if (FAILED(rc)) return rc;
2234
2235 if (!mData->pMachineConfigFile->fileExists())
2236 // this is a new machine, and no config file exists yet:
2237 *aModified = TRUE;
2238 else
2239 *aModified = (mData->flModifications != 0);
2240
2241 return S_OK;
2242}
2243
2244STDMETHODIMP Machine::COMGETTER(SessionState)(SessionState_T *aSessionState)
2245{
2246 CheckComArgOutPointerValid(aSessionState);
2247
2248 AutoCaller autoCaller(this);
2249 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2250
2251 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2252
2253 *aSessionState = mData->mSession.mState;
2254
2255 return S_OK;
2256}
2257
2258STDMETHODIMP Machine::COMGETTER(SessionType)(BSTR *aSessionType)
2259{
2260 CheckComArgOutPointerValid(aSessionType);
2261
2262 AutoCaller autoCaller(this);
2263 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2264
2265 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2266
2267 mData->mSession.mType.cloneTo(aSessionType);
2268
2269 return S_OK;
2270}
2271
2272STDMETHODIMP Machine::COMGETTER(SessionPid)(ULONG *aSessionPid)
2273{
2274 CheckComArgOutPointerValid(aSessionPid);
2275
2276 AutoCaller autoCaller(this);
2277 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2278
2279 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2280
2281 *aSessionPid = mData->mSession.mPid;
2282
2283 return S_OK;
2284}
2285
2286STDMETHODIMP Machine::COMGETTER(State)(MachineState_T *machineState)
2287{
2288 if (!machineState)
2289 return E_POINTER;
2290
2291 AutoCaller autoCaller(this);
2292 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2293
2294 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2295
2296 *machineState = mData->mMachineState;
2297
2298 return S_OK;
2299}
2300
2301STDMETHODIMP Machine::COMGETTER(LastStateChange)(LONG64 *aLastStateChange)
2302{
2303 CheckComArgOutPointerValid(aLastStateChange);
2304
2305 AutoCaller autoCaller(this);
2306 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2307
2308 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2309
2310 *aLastStateChange = RTTimeSpecGetMilli(&mData->mLastStateChange);
2311
2312 return S_OK;
2313}
2314
2315STDMETHODIMP Machine::COMGETTER(StateFilePath)(BSTR *aStateFilePath)
2316{
2317 CheckComArgOutPointerValid(aStateFilePath);
2318
2319 AutoCaller autoCaller(this);
2320 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2321
2322 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2323
2324 mSSData->mStateFilePath.cloneTo(aStateFilePath);
2325
2326 return S_OK;
2327}
2328
2329STDMETHODIMP Machine::COMGETTER(LogFolder)(BSTR *aLogFolder)
2330{
2331 CheckComArgOutPointerValid(aLogFolder);
2332
2333 AutoCaller autoCaller(this);
2334 AssertComRCReturnRC(autoCaller.rc());
2335
2336 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2337
2338 Utf8Str logFolder;
2339 getLogFolder(logFolder);
2340 logFolder.cloneTo(aLogFolder);
2341
2342 return S_OK;
2343}
2344
2345STDMETHODIMP Machine::COMGETTER(CurrentSnapshot) (ISnapshot **aCurrentSnapshot)
2346{
2347 CheckComArgOutPointerValid(aCurrentSnapshot);
2348
2349 AutoCaller autoCaller(this);
2350 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2351
2352 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2353
2354 mData->mCurrentSnapshot.queryInterfaceTo(aCurrentSnapshot);
2355
2356 return S_OK;
2357}
2358
2359STDMETHODIMP Machine::COMGETTER(SnapshotCount)(ULONG *aSnapshotCount)
2360{
2361 CheckComArgOutPointerValid(aSnapshotCount);
2362
2363 AutoCaller autoCaller(this);
2364 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2365
2366 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2367
2368 *aSnapshotCount = mData->mFirstSnapshot.isNull()
2369 ? 0
2370 : mData->mFirstSnapshot->getAllChildrenCount() + 1;
2371
2372 return S_OK;
2373}
2374
2375STDMETHODIMP Machine::COMGETTER(CurrentStateModified)(BOOL *aCurrentStateModified)
2376{
2377 CheckComArgOutPointerValid(aCurrentStateModified);
2378
2379 AutoCaller autoCaller(this);
2380 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2381
2382 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2383
2384 /* Note: for machines with no snapshots, we always return FALSE
2385 * (mData->mCurrentStateModified will be TRUE in this case, for historical
2386 * reasons :) */
2387
2388 *aCurrentStateModified = mData->mFirstSnapshot.isNull()
2389 ? FALSE
2390 : mData->mCurrentStateModified;
2391
2392 return S_OK;
2393}
2394
2395STDMETHODIMP Machine::COMGETTER(SharedFolders)(ComSafeArrayOut(ISharedFolder *, aSharedFolders))
2396{
2397 CheckComArgOutSafeArrayPointerValid(aSharedFolders);
2398
2399 AutoCaller autoCaller(this);
2400 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2401
2402 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2403
2404 SafeIfaceArray<ISharedFolder> folders(mHWData->mSharedFolders);
2405 folders.detachTo(ComSafeArrayOutArg(aSharedFolders));
2406
2407 return S_OK;
2408}
2409
2410STDMETHODIMP Machine::COMGETTER(ClipboardMode)(ClipboardMode_T *aClipboardMode)
2411{
2412 CheckComArgOutPointerValid(aClipboardMode);
2413
2414 AutoCaller autoCaller(this);
2415 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2416
2417 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2418
2419 *aClipboardMode = mHWData->mClipboardMode;
2420
2421 return S_OK;
2422}
2423
2424STDMETHODIMP
2425Machine::COMSETTER(ClipboardMode)(ClipboardMode_T aClipboardMode)
2426{
2427 AutoCaller autoCaller(this);
2428 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2429
2430 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2431
2432 HRESULT rc = checkStateDependency(MutableStateDep);
2433 if (FAILED(rc)) return rc;
2434
2435 setModified(IsModified_MachineData);
2436 mHWData.backup();
2437 mHWData->mClipboardMode = aClipboardMode;
2438
2439 return S_OK;
2440}
2441
2442STDMETHODIMP
2443Machine::COMGETTER(GuestPropertyNotificationPatterns)(BSTR *aPatterns)
2444{
2445 CheckComArgOutPointerValid(aPatterns);
2446
2447 AutoCaller autoCaller(this);
2448 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2449
2450 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2451
2452 try
2453 {
2454 mHWData->mGuestPropertyNotificationPatterns.cloneTo(aPatterns);
2455 }
2456 catch (...)
2457 {
2458 return VirtualBox::handleUnexpectedExceptions(RT_SRC_POS);
2459 }
2460
2461 return S_OK;
2462}
2463
2464STDMETHODIMP
2465Machine::COMSETTER(GuestPropertyNotificationPatterns)(IN_BSTR aPatterns)
2466{
2467 AutoCaller autoCaller(this);
2468 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2469
2470 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2471
2472 HRESULT rc = checkStateDependency(MutableStateDep);
2473 if (FAILED(rc)) return rc;
2474
2475 setModified(IsModified_MachineData);
2476 mHWData.backup();
2477 mHWData->mGuestPropertyNotificationPatterns = aPatterns;
2478 return rc;
2479}
2480
2481STDMETHODIMP
2482Machine::COMGETTER(StorageControllers)(ComSafeArrayOut(IStorageController *, aStorageControllers))
2483{
2484 CheckComArgOutSafeArrayPointerValid(aStorageControllers);
2485
2486 AutoCaller autoCaller(this);
2487 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2488
2489 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2490
2491 SafeIfaceArray<IStorageController> ctrls(*mStorageControllers.data());
2492 ctrls.detachTo(ComSafeArrayOutArg(aStorageControllers));
2493
2494 return S_OK;
2495}
2496
2497STDMETHODIMP
2498Machine::COMGETTER(TeleporterEnabled)(BOOL *aEnabled)
2499{
2500 CheckComArgOutPointerValid(aEnabled);
2501
2502 AutoCaller autoCaller(this);
2503 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2504
2505 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2506
2507 *aEnabled = mUserData->s.fTeleporterEnabled;
2508
2509 return S_OK;
2510}
2511
2512STDMETHODIMP Machine::COMSETTER(TeleporterEnabled)(BOOL aEnabled)
2513{
2514 AutoCaller autoCaller(this);
2515 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2516
2517 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2518
2519 /* Only allow it to be set to true when PoweredOff or Aborted.
2520 (Clearing it is always permitted.) */
2521 if ( aEnabled
2522 && mData->mRegistered
2523 && ( !isSessionMachine()
2524 || ( mData->mMachineState != MachineState_PoweredOff
2525 && mData->mMachineState != MachineState_Teleported
2526 && mData->mMachineState != MachineState_Aborted
2527 )
2528 )
2529 )
2530 return setError(VBOX_E_INVALID_VM_STATE,
2531 tr("The machine is not powered off (state is %s)"),
2532 Global::stringifyMachineState(mData->mMachineState));
2533
2534 setModified(IsModified_MachineData);
2535 mUserData.backup();
2536 mUserData->s.fTeleporterEnabled = !!aEnabled;
2537
2538 return S_OK;
2539}
2540
2541STDMETHODIMP Machine::COMGETTER(TeleporterPort)(ULONG *aPort)
2542{
2543 CheckComArgOutPointerValid(aPort);
2544
2545 AutoCaller autoCaller(this);
2546 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2547
2548 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2549
2550 *aPort = (ULONG)mUserData->s.uTeleporterPort;
2551
2552 return S_OK;
2553}
2554
2555STDMETHODIMP Machine::COMSETTER(TeleporterPort)(ULONG aPort)
2556{
2557 if (aPort >= _64K)
2558 return setError(E_INVALIDARG, tr("Invalid port number %d"), aPort);
2559
2560 AutoCaller autoCaller(this);
2561 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2562
2563 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2564
2565 HRESULT rc = checkStateDependency(MutableStateDep);
2566 if (FAILED(rc)) return rc;
2567
2568 setModified(IsModified_MachineData);
2569 mUserData.backup();
2570 mUserData->s.uTeleporterPort = (uint32_t)aPort;
2571
2572 return S_OK;
2573}
2574
2575STDMETHODIMP Machine::COMGETTER(TeleporterAddress)(BSTR *aAddress)
2576{
2577 CheckComArgOutPointerValid(aAddress);
2578
2579 AutoCaller autoCaller(this);
2580 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2581
2582 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2583
2584 mUserData->s.strTeleporterAddress.cloneTo(aAddress);
2585
2586 return S_OK;
2587}
2588
2589STDMETHODIMP Machine::COMSETTER(TeleporterAddress)(IN_BSTR aAddress)
2590{
2591 AutoCaller autoCaller(this);
2592 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2593
2594 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2595
2596 HRESULT rc = checkStateDependency(MutableStateDep);
2597 if (FAILED(rc)) return rc;
2598
2599 setModified(IsModified_MachineData);
2600 mUserData.backup();
2601 mUserData->s.strTeleporterAddress = aAddress;
2602
2603 return S_OK;
2604}
2605
2606STDMETHODIMP Machine::COMGETTER(TeleporterPassword)(BSTR *aPassword)
2607{
2608 CheckComArgOutPointerValid(aPassword);
2609
2610 AutoCaller autoCaller(this);
2611 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2612
2613 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2614
2615 mUserData->s.strTeleporterPassword.cloneTo(aPassword);
2616
2617 return S_OK;
2618}
2619
2620STDMETHODIMP Machine::COMSETTER(TeleporterPassword)(IN_BSTR aPassword)
2621{
2622 AutoCaller autoCaller(this);
2623 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2624
2625 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2626
2627 HRESULT rc = checkStateDependency(MutableStateDep);
2628 if (FAILED(rc)) return rc;
2629
2630 setModified(IsModified_MachineData);
2631 mUserData.backup();
2632 mUserData->s.strTeleporterPassword = aPassword;
2633
2634 return S_OK;
2635}
2636
2637STDMETHODIMP Machine::COMGETTER(FaultToleranceState)(FaultToleranceState_T *aState)
2638{
2639 CheckComArgOutPointerValid(aState);
2640
2641 AutoCaller autoCaller(this);
2642 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2643
2644 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2645
2646 *aState = mUserData->s.enmFaultToleranceState;
2647 return S_OK;
2648}
2649
2650STDMETHODIMP Machine::COMSETTER(FaultToleranceState)(FaultToleranceState_T aState)
2651{
2652 AutoCaller autoCaller(this);
2653 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2654
2655 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2656
2657 /* @todo deal with running state change. */
2658 HRESULT rc = checkStateDependency(MutableStateDep);
2659 if (FAILED(rc)) return rc;
2660
2661 setModified(IsModified_MachineData);
2662 mUserData.backup();
2663 mUserData->s.enmFaultToleranceState = aState;
2664 return S_OK;
2665}
2666
2667STDMETHODIMP Machine::COMGETTER(FaultToleranceAddress)(BSTR *aAddress)
2668{
2669 CheckComArgOutPointerValid(aAddress);
2670
2671 AutoCaller autoCaller(this);
2672 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2673
2674 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2675
2676 mUserData->s.strFaultToleranceAddress.cloneTo(aAddress);
2677 return S_OK;
2678}
2679
2680STDMETHODIMP Machine::COMSETTER(FaultToleranceAddress)(IN_BSTR aAddress)
2681{
2682 AutoCaller autoCaller(this);
2683 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2684
2685 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2686
2687 /* @todo deal with running state change. */
2688 HRESULT rc = checkStateDependency(MutableStateDep);
2689 if (FAILED(rc)) return rc;
2690
2691 setModified(IsModified_MachineData);
2692 mUserData.backup();
2693 mUserData->s.strFaultToleranceAddress = aAddress;
2694 return S_OK;
2695}
2696
2697STDMETHODIMP Machine::COMGETTER(FaultTolerancePort)(ULONG *aPort)
2698{
2699 CheckComArgOutPointerValid(aPort);
2700
2701 AutoCaller autoCaller(this);
2702 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2703
2704 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2705
2706 *aPort = mUserData->s.uFaultTolerancePort;
2707 return S_OK;
2708}
2709
2710STDMETHODIMP Machine::COMSETTER(FaultTolerancePort)(ULONG aPort)
2711{
2712 AutoCaller autoCaller(this);
2713 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2714
2715 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2716
2717 /* @todo deal with running state change. */
2718 HRESULT rc = checkStateDependency(MutableStateDep);
2719 if (FAILED(rc)) return rc;
2720
2721 setModified(IsModified_MachineData);
2722 mUserData.backup();
2723 mUserData->s.uFaultTolerancePort = aPort;
2724 return S_OK;
2725}
2726
2727STDMETHODIMP Machine::COMGETTER(FaultTolerancePassword)(BSTR *aPassword)
2728{
2729 CheckComArgOutPointerValid(aPassword);
2730
2731 AutoCaller autoCaller(this);
2732 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2733
2734 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2735
2736 mUserData->s.strFaultTolerancePassword.cloneTo(aPassword);
2737
2738 return S_OK;
2739}
2740
2741STDMETHODIMP Machine::COMSETTER(FaultTolerancePassword)(IN_BSTR aPassword)
2742{
2743 AutoCaller autoCaller(this);
2744 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2745
2746 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2747
2748 /* @todo deal with running state change. */
2749 HRESULT rc = checkStateDependency(MutableStateDep);
2750 if (FAILED(rc)) return rc;
2751
2752 setModified(IsModified_MachineData);
2753 mUserData.backup();
2754 mUserData->s.strFaultTolerancePassword = aPassword;
2755
2756 return S_OK;
2757}
2758
2759STDMETHODIMP Machine::COMGETTER(FaultToleranceSyncInterval)(ULONG *aInterval)
2760{
2761 CheckComArgOutPointerValid(aInterval);
2762
2763 AutoCaller autoCaller(this);
2764 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2765
2766 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2767
2768 *aInterval = mUserData->s.uFaultToleranceInterval;
2769 return S_OK;
2770}
2771
2772STDMETHODIMP Machine::COMSETTER(FaultToleranceSyncInterval)(ULONG aInterval)
2773{
2774 AutoCaller autoCaller(this);
2775 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2776
2777 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2778
2779 /* @todo deal with running state change. */
2780 HRESULT rc = checkStateDependency(MutableStateDep);
2781 if (FAILED(rc)) return rc;
2782
2783 setModified(IsModified_MachineData);
2784 mUserData.backup();
2785 mUserData->s.uFaultToleranceInterval = aInterval;
2786 return S_OK;
2787}
2788
2789STDMETHODIMP Machine::COMGETTER(RTCUseUTC)(BOOL *aEnabled)
2790{
2791 CheckComArgOutPointerValid(aEnabled);
2792
2793 AutoCaller autoCaller(this);
2794 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2795
2796 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2797
2798 *aEnabled = mUserData->s.fRTCUseUTC;
2799
2800 return S_OK;
2801}
2802
2803STDMETHODIMP Machine::COMSETTER(RTCUseUTC)(BOOL aEnabled)
2804{
2805 AutoCaller autoCaller(this);
2806 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2807
2808 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2809
2810 /* Only allow it to be set to true when PoweredOff or Aborted.
2811 (Clearing it is always permitted.) */
2812 if ( aEnabled
2813 && mData->mRegistered
2814 && ( !isSessionMachine()
2815 || ( mData->mMachineState != MachineState_PoweredOff
2816 && mData->mMachineState != MachineState_Teleported
2817 && mData->mMachineState != MachineState_Aborted
2818 )
2819 )
2820 )
2821 return setError(VBOX_E_INVALID_VM_STATE,
2822 tr("The machine is not powered off (state is %s)"),
2823 Global::stringifyMachineState(mData->mMachineState));
2824
2825 setModified(IsModified_MachineData);
2826 mUserData.backup();
2827 mUserData->s.fRTCUseUTC = !!aEnabled;
2828
2829 return S_OK;
2830}
2831
2832STDMETHODIMP Machine::COMGETTER(IoCacheEnabled)(BOOL *aEnabled)
2833{
2834 CheckComArgOutPointerValid(aEnabled);
2835
2836 AutoCaller autoCaller(this);
2837 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2838
2839 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2840
2841 *aEnabled = mHWData->mIoCacheEnabled;
2842
2843 return S_OK;
2844}
2845
2846STDMETHODIMP Machine::COMSETTER(IoCacheEnabled)(BOOL aEnabled)
2847{
2848 AutoCaller autoCaller(this);
2849 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2850
2851 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2852
2853 HRESULT rc = checkStateDependency(MutableStateDep);
2854 if (FAILED(rc)) return rc;
2855
2856 setModified(IsModified_MachineData);
2857 mHWData.backup();
2858 mHWData->mIoCacheEnabled = aEnabled;
2859
2860 return S_OK;
2861}
2862
2863STDMETHODIMP Machine::COMGETTER(IoCacheSize)(ULONG *aIoCacheSize)
2864{
2865 CheckComArgOutPointerValid(aIoCacheSize);
2866
2867 AutoCaller autoCaller(this);
2868 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2869
2870 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
2871
2872 *aIoCacheSize = mHWData->mIoCacheSize;
2873
2874 return S_OK;
2875}
2876
2877STDMETHODIMP Machine::COMSETTER(IoCacheSize)(ULONG aIoCacheSize)
2878{
2879 AutoCaller autoCaller(this);
2880 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2881
2882 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2883
2884 HRESULT rc = checkStateDependency(MutableStateDep);
2885 if (FAILED(rc)) return rc;
2886
2887 setModified(IsModified_MachineData);
2888 mHWData.backup();
2889 mHWData->mIoCacheSize = aIoCacheSize;
2890
2891 return S_OK;
2892}
2893
2894
2895/**
2896 * @note Locks objects!
2897 */
2898STDMETHODIMP Machine::LockMachine(ISession *aSession,
2899 LockType_T lockType)
2900{
2901 CheckComArgNotNull(aSession);
2902
2903 AutoCaller autoCaller(this);
2904 if (FAILED(autoCaller.rc())) return autoCaller.rc();
2905
2906 /* check the session state */
2907 SessionState_T state;
2908 HRESULT rc = aSession->COMGETTER(State)(&state);
2909 if (FAILED(rc)) return rc;
2910
2911 if (state != SessionState_Unlocked)
2912 return setError(VBOX_E_INVALID_OBJECT_STATE,
2913 tr("The given session is busy"));
2914
2915 // get the client's IInternalSessionControl interface
2916 ComPtr<IInternalSessionControl> pSessionControl = aSession;
2917 ComAssertMsgRet(!!pSessionControl, ("No IInternalSessionControl interface"),
2918 E_INVALIDARG);
2919
2920 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
2921
2922 if (!mData->mRegistered)
2923 return setError(E_UNEXPECTED,
2924 tr("The machine '%s' is not registered"),
2925 mUserData->s.strName.c_str());
2926
2927 LogFlowThisFunc(("mSession.mState=%s\n", Global::stringifySessionState(mData->mSession.mState)));
2928
2929 SessionState_T oldState = mData->mSession.mState;
2930 /* Hack: in case the session is closing and there is a progress object
2931 * which allows waiting for the session to be closed, take the opportunity
2932 * and do a limited wait (max. 1 second). This helps a lot when the system
2933 * is busy and thus session closing can take a little while. */
2934 if ( mData->mSession.mState == SessionState_Unlocking
2935 && mData->mSession.mProgress)
2936 {
2937 alock.release();
2938 mData->mSession.mProgress->WaitForCompletion(1000);
2939 alock.acquire();
2940 LogFlowThisFunc(("after waiting: mSession.mState=%s\n", Global::stringifySessionState(mData->mSession.mState)));
2941 }
2942
2943 // try again now
2944 if ( (mData->mSession.mState == SessionState_Locked) // machine is write-locked already (i.e. session machine exists)
2945 && (lockType == LockType_Shared) // caller wants a shared link to the existing session that holds the write lock:
2946 )
2947 {
2948 // OK, share the session... we are now dealing with three processes:
2949 // 1) VBoxSVC (where this code runs);
2950 // 2) process C: the caller's client process (who wants a shared session);
2951 // 3) process W: the process which already holds the write lock on the machine (write-locking session)
2952
2953 // copy pointers to W (the write-locking session) before leaving lock (these must not be NULL)
2954 ComPtr<IInternalSessionControl> pSessionW = mData->mSession.mDirectControl;
2955 ComAssertRet(!pSessionW.isNull(), E_FAIL);
2956 ComObjPtr<SessionMachine> pSessionMachine = mData->mSession.mMachine;
2957 AssertReturn(!pSessionMachine.isNull(), E_FAIL);
2958
2959 /*
2960 * Leave the lock before calling the client process. It's safe here
2961 * since the only thing to do after we get the lock again is to add
2962 * the remote control to the list (which doesn't directly influence
2963 * anything).
2964 */
2965 alock.leave();
2966
2967 // get the console of the session holding the write lock (this is a remote call)
2968 ComPtr<IConsole> pConsoleW;
2969 LogFlowThisFunc(("Calling GetRemoteConsole()...\n"));
2970 rc = pSessionW->GetRemoteConsole(pConsoleW.asOutParam());
2971 LogFlowThisFunc(("GetRemoteConsole() returned %08X\n", rc));
2972 if (FAILED(rc))
2973 // the failure may occur w/o any error info (from RPC), so provide one
2974 return setError(VBOX_E_VM_ERROR,
2975 tr("Failed to get a console object from the direct session (%Rrc)"), rc);
2976
2977 ComAssertRet(!pConsoleW.isNull(), E_FAIL);
2978
2979 // share the session machine and W's console with the caller's session
2980 LogFlowThisFunc(("Calling AssignRemoteMachine()...\n"));
2981 rc = pSessionControl->AssignRemoteMachine(pSessionMachine, pConsoleW);
2982 LogFlowThisFunc(("AssignRemoteMachine() returned %08X\n", rc));
2983
2984 if (FAILED(rc))
2985 // the failure may occur w/o any error info (from RPC), so provide one
2986 return setError(VBOX_E_VM_ERROR,
2987 tr("Failed to assign the machine to the session (%Rrc)"), rc);
2988 alock.enter();
2989
2990 // need to revalidate the state after entering the lock again
2991 if (mData->mSession.mState != SessionState_Locked)
2992 {
2993 pSessionControl->Uninitialize();
2994 return setError(VBOX_E_INVALID_SESSION_STATE,
2995 tr("The machine '%s' was unlocked unexpectedly while attempting to share its session"),
2996 mUserData->s.strName.c_str());
2997 }
2998
2999 // add the caller's session to the list
3000 mData->mSession.mRemoteControls.push_back(pSessionControl);
3001 }
3002 else if ( mData->mSession.mState == SessionState_Locked
3003 || mData->mSession.mState == SessionState_Unlocking
3004 )
3005 {
3006 // sharing not permitted, or machine still unlocking:
3007 return setError(VBOX_E_INVALID_OBJECT_STATE,
3008 tr("The machine '%s' is already locked for a session (or being unlocked)"),
3009 mUserData->s.strName.c_str());
3010 }
3011 else
3012 {
3013 // machine is not locked: then write-lock the machine (create the session machine)
3014
3015 // must not be busy
3016 AssertReturn(!Global::IsOnlineOrTransient(mData->mMachineState), E_FAIL);
3017
3018 // get the caller's session PID
3019 RTPROCESS pid = NIL_RTPROCESS;
3020 AssertCompile(sizeof(ULONG) == sizeof(RTPROCESS));
3021 pSessionControl->GetPID((ULONG*)&pid);
3022 Assert(pid != NIL_RTPROCESS);
3023
3024 bool fLaunchingVMProcess = (mData->mSession.mState == SessionState_Spawning);
3025
3026 if (fLaunchingVMProcess)
3027 {
3028 // this machine is awaiting for a spawning session to be opened:
3029 // then the calling process must be the one that got started by
3030 // launchVMProcess()
3031
3032 LogFlowThisFunc(("mSession.mPid=%d(0x%x)\n", mData->mSession.mPid, mData->mSession.mPid));
3033 LogFlowThisFunc(("session.pid=%d(0x%x)\n", pid, pid));
3034
3035 if (mData->mSession.mPid != pid)
3036 return setError(E_ACCESSDENIED,
3037 tr("An unexpected process (PID=0x%08X) has tried to lock the "
3038 "machine '%s', while only the process started by launchVMProcess (PID=0x%08X) is allowed"),
3039 pid, mUserData->s.strName.c_str(), mData->mSession.mPid);
3040 }
3041
3042 // create the mutable SessionMachine from the current machine
3043 ComObjPtr<SessionMachine> sessionMachine;
3044 sessionMachine.createObject();
3045 rc = sessionMachine->init(this);
3046 AssertComRC(rc);
3047
3048 /* NOTE: doing return from this function after this point but
3049 * before the end is forbidden since it may call SessionMachine::uninit()
3050 * (through the ComObjPtr's destructor) which requests the VirtualBox write
3051 * lock while still holding the Machine lock in alock so that a deadlock
3052 * is possible due to the wrong lock order. */
3053
3054 if (SUCCEEDED(rc))
3055 {
3056 /*
3057 * Set the session state to Spawning to protect against subsequent
3058 * attempts to open a session and to unregister the machine after
3059 * we leave the lock.
3060 */
3061 SessionState_T origState = mData->mSession.mState;
3062 mData->mSession.mState = SessionState_Spawning;
3063
3064 /*
3065 * Leave the lock before calling the client process -- it will call
3066 * Machine/SessionMachine methods. Leaving the lock here is quite safe
3067 * because the state is Spawning, so that openRemotesession() and
3068 * openExistingSession() calls will fail. This method, called before we
3069 * enter the lock again, will fail because of the wrong PID.
3070 *
3071 * Note that mData->mSession.mRemoteControls accessed outside
3072 * the lock may not be modified when state is Spawning, so it's safe.
3073 */
3074 alock.leave();
3075
3076 LogFlowThisFunc(("Calling AssignMachine()...\n"));
3077 rc = pSessionControl->AssignMachine(sessionMachine);
3078 LogFlowThisFunc(("AssignMachine() returned %08X\n", rc));
3079
3080 /* The failure may occur w/o any error info (from RPC), so provide one */
3081 if (FAILED(rc))
3082 setError(VBOX_E_VM_ERROR,
3083 tr("Failed to assign the machine to the session (%Rrc)"), rc);
3084
3085 if ( SUCCEEDED(rc)
3086 && fLaunchingVMProcess
3087 )
3088 {
3089 /* complete the remote session initialization */
3090
3091 /* get the console from the direct session */
3092 ComPtr<IConsole> console;
3093 rc = pSessionControl->GetRemoteConsole(console.asOutParam());
3094 ComAssertComRC(rc);
3095
3096 if (SUCCEEDED(rc) && !console)
3097 {
3098 ComAssert(!!console);
3099 rc = E_FAIL;
3100 }
3101
3102 /* assign machine & console to the remote session */
3103 if (SUCCEEDED(rc))
3104 {
3105 /*
3106 * after openRemoteSession(), the first and the only
3107 * entry in remoteControls is that remote session
3108 */
3109 LogFlowThisFunc(("Calling AssignRemoteMachine()...\n"));
3110 rc = mData->mSession.mRemoteControls.front()->AssignRemoteMachine(sessionMachine, console);
3111 LogFlowThisFunc(("AssignRemoteMachine() returned %08X\n", rc));
3112
3113 /* The failure may occur w/o any error info (from RPC), so provide one */
3114 if (FAILED(rc))
3115 setError(VBOX_E_VM_ERROR,
3116 tr("Failed to assign the machine to the remote session (%Rrc)"), rc);
3117 }
3118
3119 if (FAILED(rc))
3120 pSessionControl->Uninitialize();
3121 }
3122
3123 /* enter the lock again */
3124 alock.enter();
3125
3126 /* Restore the session state */
3127 mData->mSession.mState = origState;
3128 }
3129
3130 // finalize spawning anyway (this is why we don't return on errors above)
3131 if (fLaunchingVMProcess)
3132 {
3133 /* Note that the progress object is finalized later */
3134 /** @todo Consider checking mData->mSession.mProgress for cancellation
3135 * around here. */
3136
3137 /* We don't reset mSession.mPid here because it is necessary for
3138 * SessionMachine::uninit() to reap the child process later. */
3139
3140 if (FAILED(rc))
3141 {
3142 /* Close the remote session, remove the remote control from the list
3143 * and reset session state to Closed (@note keep the code in sync
3144 * with the relevant part in openSession()). */
3145
3146 Assert(mData->mSession.mRemoteControls.size() == 1);
3147 if (mData->mSession.mRemoteControls.size() == 1)
3148 {
3149 ErrorInfoKeeper eik;
3150 mData->mSession.mRemoteControls.front()->Uninitialize();
3151 }
3152
3153 mData->mSession.mRemoteControls.clear();
3154 mData->mSession.mState = SessionState_Unlocked;
3155 }
3156 }
3157 else
3158 {
3159 /* memorize PID of the directly opened session */
3160 if (SUCCEEDED(rc))
3161 mData->mSession.mPid = pid;
3162 }
3163
3164 if (SUCCEEDED(rc))
3165 {
3166 /* memorize the direct session control and cache IUnknown for it */
3167 mData->mSession.mDirectControl = pSessionControl;
3168 mData->mSession.mState = SessionState_Locked;
3169 /* associate the SessionMachine with this Machine */
3170 mData->mSession.mMachine = sessionMachine;
3171
3172 /* request an IUnknown pointer early from the remote party for later
3173 * identity checks (it will be internally cached within mDirectControl
3174 * at least on XPCOM) */
3175 ComPtr<IUnknown> unk = mData->mSession.mDirectControl;
3176 NOREF(unk);
3177 }
3178
3179 /* Leave the lock since SessionMachine::uninit() locks VirtualBox which
3180 * would break the lock order */
3181 alock.leave();
3182
3183 /* uninitialize the created session machine on failure */
3184 if (FAILED(rc))
3185 sessionMachine->uninit();
3186
3187 }
3188
3189 if (SUCCEEDED(rc))
3190 {
3191 /*
3192 * tell the client watcher thread to update the set of
3193 * machines that have open sessions
3194 */
3195 mParent->updateClientWatcher();
3196
3197 if (oldState != SessionState_Locked)
3198 /* fire an event */
3199 mParent->onSessionStateChange(getId(), SessionState_Locked);
3200 }
3201
3202 return rc;
3203}
3204
3205/**
3206 * @note Locks objects!
3207 */
3208STDMETHODIMP Machine::LaunchVMProcess(ISession *aSession,
3209 IN_BSTR aType,
3210 IN_BSTR aEnvironment,
3211 IProgress **aProgress)
3212{
3213 CheckComArgNotNull(aSession);
3214 CheckComArgStrNotEmptyOrNull(aType);
3215 CheckComArgOutPointerValid(aProgress);
3216
3217 AutoCaller autoCaller(this);
3218 if (FAILED(autoCaller.rc())) return autoCaller.rc();
3219
3220 /* check the session state */
3221 SessionState_T state;
3222 HRESULT rc = aSession->COMGETTER(State)(&state);
3223 if (FAILED(rc)) return rc;
3224
3225 if (state != SessionState_Unlocked)
3226 return setError(VBOX_E_INVALID_OBJECT_STATE,
3227 tr("The given session is busy"));
3228
3229 /* get the IInternalSessionControl interface */
3230 ComPtr<IInternalSessionControl> control = aSession;
3231 ComAssertMsgRet(!!control, ("No IInternalSessionControl interface"),
3232 E_INVALIDARG);
3233
3234 /* get the teleporter enable state for the progress object init. */
3235 BOOL fTeleporterEnabled;
3236 rc = COMGETTER(TeleporterEnabled)(&fTeleporterEnabled);
3237 if (FAILED(rc))
3238 return rc;
3239
3240 /* create a progress object */
3241 ComObjPtr<ProgressProxy> progress;
3242 progress.createObject();
3243 rc = progress->init(mParent,
3244 static_cast<IMachine*>(this),
3245 Bstr(tr("Spawning session")).raw(),
3246 TRUE /* aCancelable */,
3247 fTeleporterEnabled ? 20 : 10 /* uTotalOperationsWeight */,
3248 Bstr(tr("Spawning session")).raw(),
3249 2 /* uFirstOperationWeight */,
3250 fTeleporterEnabled ? 3 : 1 /* cOtherProgressObjectOperations */);
3251 if (SUCCEEDED(rc))
3252 {
3253 rc = openRemoteSession(control, aType, aEnvironment, progress);
3254 if (SUCCEEDED(rc))
3255 {
3256 progress.queryInterfaceTo(aProgress);
3257
3258 /* signal the client watcher thread */
3259 mParent->updateClientWatcher();
3260
3261 /* fire an event */
3262 mParent->onSessionStateChange(getId(), SessionState_Spawning);
3263 }
3264 }
3265
3266 return rc;
3267}
3268
3269STDMETHODIMP Machine::SetBootOrder(ULONG aPosition, DeviceType_T aDevice)
3270{
3271 if (aPosition < 1 || aPosition > SchemaDefs::MaxBootPosition)
3272 return setError(E_INVALIDARG,
3273 tr("Invalid boot position: %lu (must be in range [1, %lu])"),
3274 aPosition, SchemaDefs::MaxBootPosition);
3275
3276 if (aDevice == DeviceType_USB)
3277 return setError(E_NOTIMPL,
3278 tr("Booting from USB device is currently not supported"));
3279
3280 AutoCaller autoCaller(this);
3281 if (FAILED(autoCaller.rc())) return autoCaller.rc();
3282
3283 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3284
3285 HRESULT rc = checkStateDependency(MutableStateDep);
3286 if (FAILED(rc)) return rc;
3287
3288 setModified(IsModified_MachineData);
3289 mHWData.backup();
3290 mHWData->mBootOrder[aPosition - 1] = aDevice;
3291
3292 return S_OK;
3293}
3294
3295STDMETHODIMP Machine::GetBootOrder(ULONG aPosition, DeviceType_T *aDevice)
3296{
3297 if (aPosition < 1 || aPosition > SchemaDefs::MaxBootPosition)
3298 return setError(E_INVALIDARG,
3299 tr("Invalid boot position: %lu (must be in range [1, %lu])"),
3300 aPosition, SchemaDefs::MaxBootPosition);
3301
3302 AutoCaller autoCaller(this);
3303 if (FAILED(autoCaller.rc())) return autoCaller.rc();
3304
3305 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
3306
3307 *aDevice = mHWData->mBootOrder[aPosition - 1];
3308
3309 return S_OK;
3310}
3311
3312STDMETHODIMP Machine::AttachDevice(IN_BSTR aControllerName,
3313 LONG aControllerPort,
3314 LONG aDevice,
3315 DeviceType_T aType,
3316 IMedium *aMedium)
3317{
3318 LogFlowThisFunc(("aControllerName=\"%ls\" aControllerPort=%d aDevice=%d aType=%d aId=\"%ls\"\n",
3319 aControllerName, aControllerPort, aDevice, aType, aMedium));
3320
3321 CheckComArgStrNotEmptyOrNull(aControllerName);
3322
3323 AutoCaller autoCaller(this);
3324 if (FAILED(autoCaller.rc())) return autoCaller.rc();
3325
3326 // request the host lock first, since might be calling Host methods for getting host drives;
3327 // next, protect the media tree all the while we're in here, as well as our member variables
3328 AutoMultiWriteLock2 alock(mParent->host()->lockHandle(),
3329 this->lockHandle() COMMA_LOCKVAL_SRC_POS);
3330 AutoWriteLock treeLock(&mParent->getMediaTreeLockHandle() COMMA_LOCKVAL_SRC_POS);
3331
3332 HRESULT rc = checkStateDependency(MutableStateDep);
3333 if (FAILED(rc)) return rc;
3334
3335 GuidList llRegistriesThatNeedSaving;
3336
3337 /// @todo NEWMEDIA implicit machine registration
3338 if (!mData->mRegistered)
3339 return setError(VBOX_E_INVALID_OBJECT_STATE,
3340 tr("Cannot attach storage devices to an unregistered machine"));
3341
3342 AssertReturn(mData->mMachineState != MachineState_Saved, E_FAIL);
3343
3344 if (Global::IsOnlineOrTransient(mData->mMachineState))
3345 return setError(VBOX_E_INVALID_VM_STATE,
3346 tr("Invalid machine state: %s"),
3347 Global::stringifyMachineState(mData->mMachineState));
3348
3349 /* Check for an existing controller. */
3350 ComObjPtr<StorageController> ctl;
3351 rc = getStorageControllerByName(aControllerName, ctl, true /* aSetError */);
3352 if (FAILED(rc)) return rc;
3353
3354 // check that the port and device are not out of range
3355 rc = ctl->checkPortAndDeviceValid(aControllerPort, aDevice);
3356 if (FAILED(rc)) return rc;
3357
3358 /* check if the device slot is already busy */
3359 MediumAttachment *pAttachTemp;
3360 if ((pAttachTemp = findAttachment(mMediaData->mAttachments,
3361 aControllerName,
3362 aControllerPort,
3363 aDevice)))
3364 {
3365 Medium *pMedium = pAttachTemp->getMedium();
3366 if (pMedium)
3367 {
3368 AutoReadLock mediumLock(pMedium COMMA_LOCKVAL_SRC_POS);
3369 return setError(VBOX_E_OBJECT_IN_USE,
3370 tr("Medium '%s' is already attached to port %d, device %d of controller '%ls' of this virtual machine"),
3371 pMedium->getLocationFull().c_str(),
3372 aControllerPort,
3373 aDevice,
3374 aControllerName);
3375 }
3376 else
3377 return setError(VBOX_E_OBJECT_IN_USE,
3378 tr("Device is already attached to port %d, device %d of controller '%ls' of this virtual machine"),
3379 aControllerPort, aDevice, aControllerName);
3380 }
3381
3382 ComObjPtr<Medium> medium = static_cast<Medium*>(aMedium);
3383 if (aMedium && medium.isNull())
3384 return setError(E_INVALIDARG, "The given medium pointer is invalid");
3385
3386 AutoCaller mediumCaller(medium);
3387 if (FAILED(mediumCaller.rc())) return mediumCaller.rc();
3388
3389 AutoWriteLock mediumLock(medium COMMA_LOCKVAL_SRC_POS);
3390
3391 if ( (pAttachTemp = findAttachment(mMediaData->mAttachments, medium))
3392 && !medium.isNull()
3393 )
3394 return setError(VBOX_E_OBJECT_IN_USE,
3395 tr("Medium '%s' is already attached to this virtual machine"),
3396 medium->getLocationFull().c_str());
3397
3398 if (!medium.isNull())
3399 {
3400 MediumType_T mtype = medium->getType();
3401 // MediumType_Readonly is also new, but only applies to DVDs and floppies.
3402 // For DVDs it's not written to the config file, so needs no global config
3403 // version bump. For floppies it's a new attribute "type", which is ignored
3404 // by older VirtualBox version, so needs no global config version bump either.
3405 // For hard disks this type is not accepted.
3406 if (mtype == MediumType_MultiAttach)
3407 {
3408 // This type is new with VirtualBox 4.0 and therefore requires settings
3409 // version 1.11 in the settings backend. Unfortunately it is not enough to do
3410 // the usual routine in MachineConfigFile::bumpSettingsVersionIfNeeded() for
3411 // two reasons: The medium type is a property of the media registry tree, which
3412 // can reside in the global config file (for pre-4.0 media); we would therefore
3413 // possibly need to bump the global config version. We don't want to do that though
3414 // because that might make downgrading to pre-4.0 impossible.
3415 // As a result, we can only use these two new types if the medium is NOT in the
3416 // global registry:
3417 const Guid &uuidGlobalRegistry = mParent->getGlobalRegistryId();
3418 if ( medium->isInRegistry(uuidGlobalRegistry)
3419 || !mData->pMachineConfigFile->canHaveOwnMediaRegistry()
3420 )
3421 return setError(VBOX_E_INVALID_OBJECT_STATE,
3422 tr("Cannot attach medium '%s': the media type 'MultiAttach' can only be attached "
3423 "to machines that were created with VirtualBox 4.0 or later"),
3424 medium->getLocationFull().c_str());
3425 }
3426 }
3427
3428 bool fIndirect = false;
3429 if (!medium.isNull())
3430 fIndirect = medium->isReadOnly();
3431 bool associate = true;
3432
3433 do
3434 {
3435 if ( aType == DeviceType_HardDisk
3436 && mMediaData.isBackedUp())
3437 {
3438 const MediaData::AttachmentList &oldAtts = mMediaData.backedUpData()->mAttachments;
3439
3440 /* check if the medium was attached to the VM before we started
3441 * changing attachments in which case the attachment just needs to
3442 * be restored */
3443 if ((pAttachTemp = findAttachment(oldAtts, medium)))
3444 {
3445 AssertReturn(!fIndirect, E_FAIL);
3446
3447 /* see if it's the same bus/channel/device */
3448 if (pAttachTemp->matches(aControllerName, aControllerPort, aDevice))
3449 {
3450 /* the simplest case: restore the whole attachment
3451 * and return, nothing else to do */
3452 mMediaData->mAttachments.push_back(pAttachTemp);
3453 return S_OK;
3454 }
3455
3456 /* bus/channel/device differ; we need a new attachment object,
3457 * but don't try to associate it again */
3458 associate = false;
3459 break;
3460 }
3461 }
3462
3463 /* go further only if the attachment is to be indirect */
3464 if (!fIndirect)
3465 break;
3466
3467 /* perform the so called smart attachment logic for indirect
3468 * attachments. Note that smart attachment is only applicable to base
3469 * hard disks. */
3470
3471 if (medium->getParent().isNull())
3472 {
3473 /* first, investigate the backup copy of the current hard disk
3474 * attachments to make it possible to re-attach existing diffs to
3475 * another device slot w/o losing their contents */
3476 if (mMediaData.isBackedUp())
3477 {
3478 const MediaData::AttachmentList &oldAtts = mMediaData.backedUpData()->mAttachments;
3479
3480 MediaData::AttachmentList::const_iterator foundIt = oldAtts.end();
3481 uint32_t foundLevel = 0;
3482
3483 for (MediaData::AttachmentList::const_iterator it = oldAtts.begin();
3484 it != oldAtts.end();
3485 ++it)
3486 {
3487 uint32_t level = 0;
3488 MediumAttachment *pAttach = *it;
3489 ComObjPtr<Medium> pMedium = pAttach->getMedium();
3490 Assert(!pMedium.isNull() || pAttach->getType() != DeviceType_HardDisk);
3491 if (pMedium.isNull())
3492 continue;
3493
3494 if (pMedium->getBase(&level) == medium)
3495 {
3496 /* skip the hard disk if its currently attached (we
3497 * cannot attach the same hard disk twice) */
3498 if (findAttachment(mMediaData->mAttachments,
3499 pMedium))
3500 continue;
3501
3502 /* matched device, channel and bus (i.e. attached to the
3503 * same place) will win and immediately stop the search;
3504 * otherwise the attachment that has the youngest
3505 * descendant of medium will be used
3506 */
3507 if (pAttach->matches(aControllerName, aControllerPort, aDevice))
3508 {
3509 /* the simplest case: restore the whole attachment
3510 * and return, nothing else to do */
3511 mMediaData->mAttachments.push_back(*it);
3512 return S_OK;
3513 }
3514 else if ( foundIt == oldAtts.end()
3515 || level > foundLevel /* prefer younger */
3516 )
3517 {
3518 foundIt = it;
3519 foundLevel = level;
3520 }
3521 }
3522 }
3523
3524 if (foundIt != oldAtts.end())
3525 {
3526 /* use the previously attached hard disk */
3527 medium = (*foundIt)->getMedium();
3528 mediumCaller.attach(medium);
3529 if (FAILED(mediumCaller.rc())) return mediumCaller.rc();
3530 mediumLock.attach(medium);
3531 /* not implicit, doesn't require association with this VM */
3532 fIndirect = false;
3533 associate = false;
3534 /* go right to the MediumAttachment creation */
3535 break;
3536 }
3537 }
3538
3539 /* must give up the medium lock and medium tree lock as below we
3540 * go over snapshots, which needs a lock with higher lock order. */
3541 mediumLock.release();
3542 treeLock.release();
3543
3544 /* then, search through snapshots for the best diff in the given
3545 * hard disk's chain to base the new diff on */
3546
3547 ComObjPtr<Medium> base;
3548 ComObjPtr<Snapshot> snap = mData->mCurrentSnapshot;
3549 while (snap)
3550 {
3551 AutoReadLock snapLock(snap COMMA_LOCKVAL_SRC_POS);
3552
3553 const MediaData::AttachmentList &snapAtts = snap->getSnapshotMachine()->mMediaData->mAttachments;
3554
3555 MediumAttachment *pAttachFound = NULL;
3556 uint32_t foundLevel = 0;
3557
3558 for (MediaData::AttachmentList::const_iterator it = snapAtts.begin();
3559 it != snapAtts.end();
3560 ++it)
3561 {
3562 MediumAttachment *pAttach = *it;
3563 ComObjPtr<Medium> pMedium = pAttach->getMedium();
3564 Assert(!pMedium.isNull() || pAttach->getType() != DeviceType_HardDisk);
3565 if (pMedium.isNull())
3566 continue;
3567
3568 uint32_t level = 0;
3569 if (pMedium->getBase(&level) == medium)
3570 {
3571 /* matched device, channel and bus (i.e. attached to the
3572 * same place) will win and immediately stop the search;
3573 * otherwise the attachment that has the youngest
3574 * descendant of medium will be used
3575 */
3576 if ( pAttach->getDevice() == aDevice
3577 && pAttach->getPort() == aControllerPort
3578 && pAttach->getControllerName() == aControllerName
3579 )
3580 {
3581 pAttachFound = pAttach;
3582 break;
3583 }
3584 else if ( !pAttachFound
3585 || level > foundLevel /* prefer younger */
3586 )
3587 {
3588 pAttachFound = pAttach;
3589 foundLevel = level;
3590 }
3591 }
3592 }
3593
3594 if (pAttachFound)
3595 {
3596 base = pAttachFound->getMedium();
3597 break;
3598 }
3599
3600 snap = snap->getParent();
3601 }
3602
3603 /* re-lock medium tree and the medium, as we need it below */
3604 treeLock.acquire();
3605 mediumLock.acquire();
3606
3607 /* found a suitable diff, use it as a base */
3608 if (!base.isNull())
3609 {
3610 medium = base;
3611 mediumCaller.attach(medium);
3612 if (FAILED(mediumCaller.rc())) return mediumCaller.rc();
3613 mediumLock.attach(medium);
3614 }
3615 }
3616
3617 Utf8Str strFullSnapshotFolder;
3618 calculateFullPath(mUserData->s.strSnapshotFolder, strFullSnapshotFolder);
3619
3620 ComObjPtr<Medium> diff;
3621 diff.createObject();
3622 rc = diff->init(mParent,
3623 medium->getPreferredDiffFormat(),
3624 strFullSnapshotFolder.append(RTPATH_SLASH_STR),
3625 medium->getFirstRegistryMachineId(), // store this diff in the same registry as the parent
3626 &llRegistriesThatNeedSaving);
3627 if (FAILED(rc)) return rc;
3628
3629 /* Apply the normal locking logic to the entire chain. */
3630 MediumLockList *pMediumLockList(new MediumLockList());
3631 rc = diff->createMediumLockList(true /* fFailIfInaccessible */,
3632 true /* fMediumLockWrite */,
3633 medium,
3634 *pMediumLockList);
3635 if (SUCCEEDED(rc))
3636 {
3637 rc = pMediumLockList->Lock();
3638 if (FAILED(rc))
3639 setError(rc,
3640 tr("Could not lock medium when creating diff '%s'"),
3641 diff->getLocationFull().c_str());
3642 else
3643 {
3644 /* will leave the lock before the potentially lengthy operation, so
3645 * protect with the special state */
3646 MachineState_T oldState = mData->mMachineState;
3647 setMachineState(MachineState_SettingUp);
3648
3649 mediumLock.leave();
3650 treeLock.leave();
3651 alock.leave();
3652
3653 rc = medium->createDiffStorage(diff,
3654 MediumVariant_Standard,
3655 pMediumLockList,
3656 NULL /* aProgress */,
3657 true /* aWait */,
3658 &llRegistriesThatNeedSaving);
3659
3660 alock.enter();
3661 treeLock.enter();
3662 mediumLock.enter();
3663
3664 setMachineState(oldState);
3665 }
3666 }
3667
3668 /* Unlock the media and free the associated memory. */
3669 delete pMediumLockList;
3670
3671 if (FAILED(rc)) return rc;
3672
3673 /* use the created diff for the actual attachment */
3674 medium = diff;
3675 mediumCaller.attach(medium);
3676 if (FAILED(mediumCaller.rc())) return mediumCaller.rc();
3677 mediumLock.attach(medium);
3678 }
3679 while (0);
3680
3681 ComObjPtr<MediumAttachment> attachment;
3682 attachment.createObject();
3683 rc = attachment->init(this,
3684 medium,
3685 aControllerName,
3686 aControllerPort,
3687 aDevice,
3688 aType,
3689 fIndirect,
3690 NULL);
3691 if (FAILED(rc)) return rc;
3692
3693 if (associate && !medium.isNull())
3694 {
3695 // as the last step, associate the medium to the VM
3696 rc = medium->addBackReference(mData->mUuid);
3697 // here we can fail because of Deleting, or being in process of creating a Diff
3698 if (FAILED(rc)) return rc;
3699
3700 // and decide which medium registry to use now that the medium is attached:
3701 Guid uuid;
3702 if (mData->pMachineConfigFile->canHaveOwnMediaRegistry())
3703 // machine XML is VirtualBox 4.0 or higher:
3704 uuid = getId(); // machine UUID
3705 else
3706 uuid = mParent->getGlobalRegistryId(); // VirtualBox global registry UUID
3707
3708 if (medium->addRegistry(uuid))
3709 // registry actually changed:
3710 mParent->addGuidToListUniquely(llRegistriesThatNeedSaving, uuid);
3711 }
3712
3713 /* success: finally remember the attachment */
3714 setModified(IsModified_Storage);
3715 mMediaData.backup();
3716 mMediaData->mAttachments.push_back(attachment);
3717
3718 mediumLock.release();
3719 treeLock.leave();
3720 alock.release();
3721
3722 mParent->saveRegistries(llRegistriesThatNeedSaving);
3723
3724 return rc;
3725}
3726
3727STDMETHODIMP Machine::DetachDevice(IN_BSTR aControllerName, LONG aControllerPort,
3728 LONG aDevice)
3729{
3730 CheckComArgStrNotEmptyOrNull(aControllerName);
3731
3732 LogFlowThisFunc(("aControllerName=\"%ls\" aControllerPort=%ld aDevice=%ld\n",
3733 aControllerName, aControllerPort, aDevice));
3734
3735 AutoCaller autoCaller(this);
3736 if (FAILED(autoCaller.rc())) return autoCaller.rc();
3737
3738 GuidList llRegistriesThatNeedSaving;
3739
3740 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3741
3742 HRESULT rc = checkStateDependency(MutableStateDep);
3743 if (FAILED(rc)) return rc;
3744
3745 AssertReturn(mData->mMachineState != MachineState_Saved, E_FAIL);
3746
3747 if (Global::IsOnlineOrTransient(mData->mMachineState))
3748 return setError(VBOX_E_INVALID_VM_STATE,
3749 tr("Invalid machine state: %s"),
3750 Global::stringifyMachineState(mData->mMachineState));
3751
3752 MediumAttachment *pAttach = findAttachment(mMediaData->mAttachments,
3753 aControllerName,
3754 aControllerPort,
3755 aDevice);
3756 if (!pAttach)
3757 return setError(VBOX_E_OBJECT_NOT_FOUND,
3758 tr("No storage device attached to device slot %d on port %d of controller '%ls'"),
3759 aDevice, aControllerPort, aControllerName);
3760
3761 rc = detachDevice(pAttach, alock, NULL /* pSnapshot */, &llRegistriesThatNeedSaving);
3762
3763 alock.release();
3764
3765 if (SUCCEEDED(rc))
3766 rc = mParent->saveRegistries(llRegistriesThatNeedSaving);
3767
3768 return rc;
3769}
3770
3771STDMETHODIMP Machine::PassthroughDevice(IN_BSTR aControllerName, LONG aControllerPort,
3772 LONG aDevice, BOOL aPassthrough)
3773{
3774 CheckComArgStrNotEmptyOrNull(aControllerName);
3775
3776 LogFlowThisFunc(("aControllerName=\"%ls\" aControllerPort=%ld aDevice=%ld aPassthrough=%d\n",
3777 aControllerName, aControllerPort, aDevice, aPassthrough));
3778
3779 AutoCaller autoCaller(this);
3780 if (FAILED(autoCaller.rc())) return autoCaller.rc();
3781
3782 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3783
3784 HRESULT rc = checkStateDependency(MutableStateDep);
3785 if (FAILED(rc)) return rc;
3786
3787 AssertReturn(mData->mMachineState != MachineState_Saved, E_FAIL);
3788
3789 if (Global::IsOnlineOrTransient(mData->mMachineState))
3790 return setError(VBOX_E_INVALID_VM_STATE,
3791 tr("Invalid machine state: %s"),
3792 Global::stringifyMachineState(mData->mMachineState));
3793
3794 MediumAttachment *pAttach = findAttachment(mMediaData->mAttachments,
3795 aControllerName,
3796 aControllerPort,
3797 aDevice);
3798 if (!pAttach)
3799 return setError(VBOX_E_OBJECT_NOT_FOUND,
3800 tr("No storage device attached to device slot %d on port %d of controller '%ls'"),
3801 aDevice, aControllerPort, aControllerName);
3802
3803
3804 setModified(IsModified_Storage);
3805 mMediaData.backup();
3806
3807 AutoWriteLock attLock(pAttach COMMA_LOCKVAL_SRC_POS);
3808
3809 if (pAttach->getType() != DeviceType_DVD)
3810 return setError(E_INVALIDARG,
3811 tr("Setting passthrough rejected as the device attached to device slot %d on port %d of controller '%ls' is not a DVD"),
3812 aDevice, aControllerPort, aControllerName);
3813 pAttach->updatePassthrough(!!aPassthrough);
3814
3815 return S_OK;
3816}
3817
3818STDMETHODIMP Machine::SetBandwidthGroupForDevice(IN_BSTR aControllerName, LONG aControllerPort,
3819 LONG aDevice, IBandwidthGroup *aBandwidthGroup)
3820{
3821 CheckComArgStrNotEmptyOrNull(aControllerName);
3822
3823 LogFlowThisFunc(("aControllerName=\"%ls\" aControllerPort=%ld aDevice=%ld\n",
3824 aControllerName, aControllerPort, aDevice));
3825
3826 AutoCaller autoCaller(this);
3827 if (FAILED(autoCaller.rc())) return autoCaller.rc();
3828
3829 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
3830
3831 HRESULT rc = checkStateDependency(MutableStateDep);
3832 if (FAILED(rc)) return rc;
3833
3834 AssertReturn(mData->mMachineState != MachineState_Saved, E_FAIL);
3835
3836 if (Global::IsOnlineOrTransient(mData->mMachineState))
3837 return setError(VBOX_E_INVALID_VM_STATE,
3838 tr("Invalid machine state: %s"),
3839 Global::stringifyMachineState(mData->mMachineState));
3840
3841 MediumAttachment *pAttach = findAttachment(mMediaData->mAttachments,
3842 aControllerName,
3843 aControllerPort,
3844 aDevice);
3845 if (!pAttach)
3846 return setError(VBOX_E_OBJECT_NOT_FOUND,
3847 tr("No storage device attached to device slot %d on port %d of controller '%ls'"),
3848 aDevice, aControllerPort, aControllerName);
3849
3850
3851 setModified(IsModified_Storage);
3852 mMediaData.backup();
3853
3854 ComObjPtr<BandwidthGroup> group = static_cast<BandwidthGroup*>(aBandwidthGroup);
3855 if (aBandwidthGroup && group.isNull())
3856 return setError(E_INVALIDARG, "The given bandwidth group pointer is invalid");
3857
3858 AutoWriteLock attLock(pAttach COMMA_LOCKVAL_SRC_POS);
3859
3860 pAttach->updateBandwidthGroup(group);
3861
3862 return S_OK;
3863}
3864
3865
3866STDMETHODIMP Machine::MountMedium(IN_BSTR aControllerName,
3867 LONG aControllerPort,
3868 LONG aDevice,
3869 IMedium *aMedium,
3870 BOOL aForce)
3871{
3872 int rc = S_OK;
3873 LogFlowThisFunc(("aControllerName=\"%ls\" aControllerPort=%ld aDevice=%ld aForce=%d\n",
3874 aControllerName, aControllerPort, aDevice, aForce));
3875
3876 CheckComArgStrNotEmptyOrNull(aControllerName);
3877
3878 AutoCaller autoCaller(this);
3879 if (FAILED(autoCaller.rc())) return autoCaller.rc();
3880
3881 // request the host lock first, since might be calling Host methods for getting host drives;
3882 // next, protect the media tree all the while we're in here, as well as our member variables
3883 AutoMultiWriteLock3 multiLock(mParent->host()->lockHandle(),
3884 this->lockHandle(),
3885 &mParent->getMediaTreeLockHandle() COMMA_LOCKVAL_SRC_POS);
3886
3887 ComObjPtr<MediumAttachment> pAttach = findAttachment(mMediaData->mAttachments,
3888 aControllerName,
3889 aControllerPort,
3890 aDevice);
3891 if (pAttach.isNull())
3892 return setError(VBOX_E_OBJECT_NOT_FOUND,
3893 tr("No drive attached to device slot %d on port %d of controller '%ls'"),
3894 aDevice, aControllerPort, aControllerName);
3895
3896 /* Remember previously mounted medium. The medium before taking the
3897 * backup is not necessarily the same thing. */
3898 ComObjPtr<Medium> oldmedium;
3899 oldmedium = pAttach->getMedium();
3900
3901 ComObjPtr<Medium> pMedium = static_cast<Medium*>(aMedium);
3902 if (aMedium && pMedium.isNull())
3903 return setError(E_INVALIDARG, "The given medium pointer is invalid");
3904
3905 AutoCaller mediumCaller(pMedium);
3906 if (FAILED(mediumCaller.rc())) return mediumCaller.rc();
3907
3908 AutoWriteLock mediumLock(pMedium COMMA_LOCKVAL_SRC_POS);
3909 if (pMedium)
3910 {
3911 DeviceType_T mediumType = pAttach->getType();
3912 switch (mediumType)
3913 {
3914 case DeviceType_DVD:
3915 case DeviceType_Floppy:
3916 break;
3917
3918 default:
3919 return setError(VBOX_E_INVALID_OBJECT_STATE,
3920 tr("The device at port %d, device %d of controller '%ls' of this virtual machine is not removeable"),
3921 aControllerPort,
3922 aDevice,
3923 aControllerName);
3924 }
3925 }
3926
3927 setModified(IsModified_Storage);
3928 mMediaData.backup();
3929
3930 GuidList llRegistriesThatNeedSaving;
3931
3932 {
3933 // The backup operation makes the pAttach reference point to the
3934 // old settings. Re-get the correct reference.
3935 pAttach = findAttachment(mMediaData->mAttachments,
3936 aControllerName,
3937 aControllerPort,
3938 aDevice);
3939 AutoWriteLock attLock(pAttach COMMA_LOCKVAL_SRC_POS);
3940 if (!oldmedium.isNull())
3941 oldmedium->removeBackReference(mData->mUuid);
3942 if (!pMedium.isNull())
3943 {
3944 pMedium->addBackReference(mData->mUuid);
3945
3946 // and decide which medium registry to use now that the medium is attached:
3947 Guid uuid;
3948 if (mData->pMachineConfigFile->canHaveOwnMediaRegistry())
3949 // machine XML is VirtualBox 4.0 or higher:
3950 uuid = getId(); // machine UUID
3951 else
3952 uuid = mParent->getGlobalRegistryId(); // VirtualBox global registry UUID
3953
3954 if (pMedium->addRegistry(uuid))
3955 // registry actually changed:
3956 mParent->addGuidToListUniquely(llRegistriesThatNeedSaving, uuid);
3957 }
3958
3959 pAttach->updateMedium(pMedium);
3960 }
3961
3962 setModified(IsModified_Storage);
3963
3964 mediumLock.release();
3965 multiLock.release();
3966 rc = onMediumChange(pAttach, aForce);
3967 multiLock.acquire();
3968 mediumLock.acquire();
3969
3970 /* On error roll back this change only. */
3971 if (FAILED(rc))
3972 {
3973 if (!pMedium.isNull())
3974 pMedium->removeBackReference(mData->mUuid);
3975 pAttach = findAttachment(mMediaData->mAttachments,
3976 aControllerName,
3977 aControllerPort,
3978 aDevice);
3979 /* If the attachment is gone in the meantime, bail out. */
3980 if (pAttach.isNull())
3981 return rc;
3982 AutoWriteLock attLock(pAttach COMMA_LOCKVAL_SRC_POS);
3983 if (!oldmedium.isNull())
3984 oldmedium->addBackReference(mData->mUuid);
3985 pAttach->updateMedium(oldmedium);
3986 }
3987
3988 mediumLock.release();
3989 multiLock.release();
3990
3991 mParent->saveRegistries(llRegistriesThatNeedSaving);
3992
3993 return rc;
3994}
3995
3996STDMETHODIMP Machine::GetMedium(IN_BSTR aControllerName,
3997 LONG aControllerPort,
3998 LONG aDevice,
3999 IMedium **aMedium)
4000{
4001 LogFlowThisFunc(("aControllerName=\"%ls\" aControllerPort=%ld aDevice=%ld\n",
4002 aControllerName, aControllerPort, aDevice));
4003
4004 CheckComArgStrNotEmptyOrNull(aControllerName);
4005 CheckComArgOutPointerValid(aMedium);
4006
4007 AutoCaller autoCaller(this);
4008 if (FAILED(autoCaller.rc())) return autoCaller.rc();
4009
4010 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
4011
4012 *aMedium = NULL;
4013
4014 ComObjPtr<MediumAttachment> pAttach = findAttachment(mMediaData->mAttachments,
4015 aControllerName,
4016 aControllerPort,
4017 aDevice);
4018 if (pAttach.isNull())
4019 return setError(VBOX_E_OBJECT_NOT_FOUND,
4020 tr("No storage device attached to device slot %d on port %d of controller '%ls'"),
4021 aDevice, aControllerPort, aControllerName);
4022
4023 pAttach->getMedium().queryInterfaceTo(aMedium);
4024
4025 return S_OK;
4026}
4027
4028STDMETHODIMP Machine::GetSerialPort(ULONG slot, ISerialPort **port)
4029{
4030 CheckComArgOutPointerValid(port);
4031 CheckComArgExpr(slot, slot < RT_ELEMENTS(mSerialPorts));
4032
4033 AutoCaller autoCaller(this);
4034 if (FAILED(autoCaller.rc())) return autoCaller.rc();
4035
4036 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
4037
4038 mSerialPorts[slot].queryInterfaceTo(port);
4039
4040 return S_OK;
4041}
4042
4043STDMETHODIMP Machine::GetParallelPort(ULONG slot, IParallelPort **port)
4044{
4045 CheckComArgOutPointerValid(port);
4046 CheckComArgExpr(slot, slot < RT_ELEMENTS(mParallelPorts));
4047
4048 AutoCaller autoCaller(this);
4049 if (FAILED(autoCaller.rc())) return autoCaller.rc();
4050
4051 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
4052
4053 mParallelPorts[slot].queryInterfaceTo(port);
4054
4055 return S_OK;
4056}
4057
4058STDMETHODIMP Machine::GetNetworkAdapter(ULONG slot, INetworkAdapter **adapter)
4059{
4060 CheckComArgOutPointerValid(adapter);
4061 CheckComArgExpr(slot, slot < RT_ELEMENTS(mNetworkAdapters));
4062
4063 AutoCaller autoCaller(this);
4064 if (FAILED(autoCaller.rc())) return autoCaller.rc();
4065
4066 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
4067
4068 mNetworkAdapters[slot].queryInterfaceTo(adapter);
4069
4070 return S_OK;
4071}
4072
4073STDMETHODIMP Machine::GetExtraDataKeys(ComSafeArrayOut(BSTR, aKeys))
4074{
4075 if (ComSafeArrayOutIsNull(aKeys))
4076 return E_POINTER;
4077
4078 AutoCaller autoCaller(this);
4079 if (FAILED(autoCaller.rc())) return autoCaller.rc();
4080
4081 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
4082
4083 com::SafeArray<BSTR> saKeys(mData->pMachineConfigFile->mapExtraDataItems.size());
4084 int i = 0;
4085 for (settings::StringsMap::const_iterator it = mData->pMachineConfigFile->mapExtraDataItems.begin();
4086 it != mData->pMachineConfigFile->mapExtraDataItems.end();
4087 ++it, ++i)
4088 {
4089 const Utf8Str &strKey = it->first;
4090 strKey.cloneTo(&saKeys[i]);
4091 }
4092 saKeys.detachTo(ComSafeArrayOutArg(aKeys));
4093
4094 return S_OK;
4095 }
4096
4097 /**
4098 * @note Locks this object for reading.
4099 */
4100STDMETHODIMP Machine::GetExtraData(IN_BSTR aKey,
4101 BSTR *aValue)
4102{
4103 CheckComArgStrNotEmptyOrNull(aKey);
4104 CheckComArgOutPointerValid(aValue);
4105
4106 AutoCaller autoCaller(this);
4107 if (FAILED(autoCaller.rc())) return autoCaller.rc();
4108
4109 /* start with nothing found */
4110 Bstr bstrResult("");
4111
4112 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
4113
4114 settings::StringsMap::const_iterator it = mData->pMachineConfigFile->mapExtraDataItems.find(Utf8Str(aKey));
4115 if (it != mData->pMachineConfigFile->mapExtraDataItems.end())
4116 // found:
4117 bstrResult = it->second; // source is a Utf8Str
4118
4119 /* return the result to caller (may be empty) */
4120 bstrResult.cloneTo(aValue);
4121
4122 return S_OK;
4123}
4124
4125 /**
4126 * @note Locks mParent for writing + this object for writing.
4127 */
4128STDMETHODIMP Machine::SetExtraData(IN_BSTR aKey, IN_BSTR aValue)
4129{
4130 CheckComArgStrNotEmptyOrNull(aKey);
4131
4132 AutoCaller autoCaller(this);
4133 if (FAILED(autoCaller.rc())) return autoCaller.rc();
4134
4135 Utf8Str strKey(aKey);
4136 Utf8Str strValue(aValue);
4137 Utf8Str strOldValue; // empty
4138
4139 // locking note: we only hold the read lock briefly to look up the old value,
4140 // then release it and call the onExtraCanChange callbacks. There is a small
4141 // chance of a race insofar as the callback might be called twice if two callers
4142 // change the same key at the same time, but that's a much better solution
4143 // than the deadlock we had here before. The actual changing of the extradata
4144 // is then performed under the write lock and race-free.
4145
4146 // look up the old value first; if nothing has changed then we need not do anything
4147 {
4148 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS); // hold read lock only while looking up
4149 settings::StringsMap::const_iterator it = mData->pMachineConfigFile->mapExtraDataItems.find(strKey);
4150 if (it != mData->pMachineConfigFile->mapExtraDataItems.end())
4151 strOldValue = it->second;
4152 }
4153
4154 bool fChanged;
4155 if ((fChanged = (strOldValue != strValue)))
4156 {
4157 // ask for permission from all listeners outside the locks;
4158 // onExtraDataCanChange() only briefly requests the VirtualBox
4159 // lock to copy the list of callbacks to invoke
4160 Bstr error;
4161 Bstr bstrValue(aValue);
4162
4163 if (!mParent->onExtraDataCanChange(mData->mUuid, aKey, bstrValue.raw(), error))
4164 {
4165 const char *sep = error.isEmpty() ? "" : ": ";
4166 CBSTR err = error.raw();
4167 LogWarningFunc(("Someone vetoed! Change refused%s%ls\n",
4168 sep, err));
4169 return setError(E_ACCESSDENIED,
4170 tr("Could not set extra data because someone refused the requested change of '%ls' to '%ls'%s%ls"),
4171 aKey,
4172 bstrValue.raw(),
4173 sep,
4174 err);
4175 }
4176
4177 // data is changing and change not vetoed: then write it out under the lock
4178 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
4179
4180 if (isSnapshotMachine())
4181 {
4182 HRESULT rc = checkStateDependency(MutableStateDep);
4183 if (FAILED(rc)) return rc;
4184 }
4185
4186 if (strValue.isEmpty())
4187 mData->pMachineConfigFile->mapExtraDataItems.erase(strKey);
4188 else
4189 mData->pMachineConfigFile->mapExtraDataItems[strKey] = strValue;
4190 // creates a new key if needed
4191
4192 bool fNeedsGlobalSaveSettings = false;
4193 saveSettings(&fNeedsGlobalSaveSettings);
4194
4195 if (fNeedsGlobalSaveSettings)
4196 {
4197 // save the global settings; for that we should hold only the VirtualBox lock
4198 alock.release();
4199 AutoWriteLock vboxlock(mParent COMMA_LOCKVAL_SRC_POS);
4200 mParent->saveSettings();
4201 }
4202 }
4203
4204 // fire notification outside the lock
4205 if (fChanged)
4206 mParent->onExtraDataChange(mData->mUuid, aKey, aValue);
4207
4208 return S_OK;
4209}
4210
4211STDMETHODIMP Machine::SaveSettings()
4212{
4213 AutoCaller autoCaller(this);
4214 if (FAILED(autoCaller.rc())) return autoCaller.rc();
4215
4216 AutoWriteLock mlock(this COMMA_LOCKVAL_SRC_POS);
4217
4218 /* when there was auto-conversion, we want to save the file even if
4219 * the VM is saved */
4220 HRESULT rc = checkStateDependency(MutableStateDep);
4221 if (FAILED(rc)) return rc;
4222
4223 /* the settings file path may never be null */
4224 ComAssertRet(!mData->m_strConfigFileFull.isEmpty(), E_FAIL);
4225
4226 /* save all VM data excluding snapshots */
4227 bool fNeedsGlobalSaveSettings = false;
4228 rc = saveSettings(&fNeedsGlobalSaveSettings);
4229 mlock.release();
4230
4231 if (SUCCEEDED(rc) && fNeedsGlobalSaveSettings)
4232 {
4233 // save the global settings; for that we should hold only the VirtualBox lock
4234 AutoWriteLock vlock(mParent COMMA_LOCKVAL_SRC_POS);
4235 rc = mParent->saveSettings();
4236 }
4237
4238 return rc;
4239}
4240
4241STDMETHODIMP Machine::DiscardSettings()
4242{
4243 AutoCaller autoCaller(this);
4244 if (FAILED(autoCaller.rc())) return autoCaller.rc();
4245
4246 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
4247
4248 HRESULT rc = checkStateDependency(MutableStateDep);
4249 if (FAILED(rc)) return rc;
4250
4251 /*
4252 * during this rollback, the session will be notified if data has
4253 * been actually changed
4254 */
4255 rollback(true /* aNotify */);
4256
4257 return S_OK;
4258}
4259
4260/** @note Locks objects! */
4261STDMETHODIMP Machine::Unregister(CleanupMode_T cleanupMode,
4262 ComSafeArrayOut(IMedium*, aMedia))
4263{
4264 // use AutoLimitedCaller because this call is valid on inaccessible machines as well
4265 AutoLimitedCaller autoCaller(this);
4266 AssertComRCReturnRC(autoCaller.rc());
4267
4268 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
4269
4270 Guid id(getId());
4271
4272 if (mData->mSession.mState != SessionState_Unlocked)
4273 return setError(VBOX_E_INVALID_OBJECT_STATE,
4274 tr("Cannot unregister the machine '%s' while it is locked"),
4275 mUserData->s.strName.c_str());
4276
4277 // wait for state dependents to drop to zero
4278 ensureNoStateDependencies();
4279
4280 if (!mData->mAccessible)
4281 {
4282 // inaccessible maschines can only be unregistered; uninitialize ourselves
4283 // here because currently there may be no unregistered that are inaccessible
4284 // (this state combination is not supported). Note releasing the caller and
4285 // leaving the lock before calling uninit()
4286 alock.leave();
4287 autoCaller.release();
4288
4289 uninit();
4290
4291 mParent->unregisterMachine(this, id);
4292 // calls VirtualBox::saveSettings()
4293
4294 return S_OK;
4295 }
4296
4297 HRESULT rc = S_OK;
4298
4299 // discard saved state
4300 if (mData->mMachineState == MachineState_Saved)
4301 {
4302 // add the saved state file to the list of files the caller should delete
4303 Assert(!mSSData->mStateFilePath.isEmpty());
4304 mData->llFilesToDelete.push_back(mSSData->mStateFilePath);
4305
4306 mSSData->mStateFilePath.setNull();
4307
4308 // unconditionally set the machine state to powered off, we now
4309 // know no session has locked the machine
4310 mData->mMachineState = MachineState_PoweredOff;
4311 }
4312
4313 size_t cSnapshots = 0;
4314 if (mData->mFirstSnapshot)
4315 cSnapshots = mData->mFirstSnapshot->getAllChildrenCount() + 1;
4316 if (cSnapshots && cleanupMode == CleanupMode_UnregisterOnly)
4317 // fail now before we start detaching media
4318 return setError(VBOX_E_INVALID_OBJECT_STATE,
4319 tr("Cannot unregister the machine '%s' because it has %d snapshots"),
4320 mUserData->s.strName.c_str(), cSnapshots);
4321
4322 // this list collects the medium objects from all medium attachments
4323 // which got detached from the machine and its snapshots, in the following
4324 // order:
4325 // 1) media from machine attachments (these have the "leaf" attachments with snapshots
4326 // and must be closed first, or closing the parents will fail because they will
4327 // children);
4328 // 2) media from the youngest snapshots followed by those from the parent snapshots until
4329 // the root ("first") snapshot of the machine
4330 // This order allows for closing the media on this list from the beginning to the end
4331 // without getting "media in use" errors.
4332 MediaList llMedia;
4333
4334 if ( !mMediaData.isNull() // can be NULL if machine is inaccessible
4335 && mMediaData->mAttachments.size()
4336 )
4337 {
4338 // we have media attachments: detach them all and add the Medium objects to our list
4339 if (cleanupMode != CleanupMode_UnregisterOnly)
4340 detachAllMedia(alock, NULL /* pSnapshot */, cleanupMode, llMedia);
4341 else
4342 return setError(VBOX_E_INVALID_OBJECT_STATE,
4343 tr("Cannot unregister the machine '%s' because it has %d media attachments"),
4344 mUserData->s.strName.c_str(), mMediaData->mAttachments.size());
4345 }
4346
4347 if (cSnapshots)
4348 {
4349 // autoCleanup must be true here, or we would have failed above
4350
4351 // add the media from the medium attachments of the snapshots to llMedia
4352 // as well, after the "main" machine media; Snapshot::uninitRecursively()
4353 // calls Machine::detachAllMedia() for the snapshot machine, recursing
4354 // into the children first
4355
4356 // Snapshot::beginDeletingSnapshot() asserts if the machine state is not this
4357 MachineState_T oldState = mData->mMachineState;
4358 mData->mMachineState = MachineState_DeletingSnapshot;
4359
4360 // make a copy of the first snapshot so the refcount does not drop to 0
4361 // in beginDeletingSnapshot, which sets pFirstSnapshot to 0 (that hangs
4362 // because of the AutoCaller voodoo)
4363 ComObjPtr<Snapshot> pFirstSnapshot = mData->mFirstSnapshot;
4364
4365 // GO!
4366 pFirstSnapshot->uninitRecursively(alock, cleanupMode, llMedia, mData->llFilesToDelete);
4367
4368 mData->mMachineState = oldState;
4369 }
4370
4371 if (FAILED(rc))
4372 {
4373 rollbackMedia();
4374 return rc;
4375 }
4376
4377 // commit all the media changes made above
4378 commitMedia();
4379
4380 mData->mRegistered = false;
4381
4382 // machine lock no longer needed
4383 alock.release();
4384
4385 // return media to caller
4386 SafeIfaceArray<IMedium> sfaMedia(llMedia);
4387 sfaMedia.detachTo(ComSafeArrayOutArg(aMedia));
4388
4389 mParent->unregisterMachine(this, id);
4390 // calls VirtualBox::saveSettings()
4391
4392 return S_OK;
4393}
4394
4395struct Machine::DeleteTask
4396{
4397 ComObjPtr<Machine> pMachine;
4398 std::list<Utf8Str> llFilesToDelete;
4399 ComObjPtr<Progress> pProgress;
4400 GuidList llRegistriesThatNeedSaving;
4401};
4402
4403STDMETHODIMP Machine::Delete(ComSafeArrayIn(IMedium*, aMedia), IProgress **aProgress)
4404{
4405 LogFlowFuncEnter();
4406
4407 AutoCaller autoCaller(this);
4408 if (FAILED(autoCaller.rc())) return autoCaller.rc();
4409
4410 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
4411
4412 HRESULT rc = checkStateDependency(MutableStateDep);
4413 if (FAILED(rc)) return rc;
4414
4415 if (mData->mRegistered)
4416 return setError(VBOX_E_INVALID_VM_STATE,
4417 tr("Cannot delete settings of a registered machine"));
4418
4419 DeleteTask *pTask = new DeleteTask;
4420 pTask->pMachine = this;
4421 com::SafeIfaceArray<IMedium> sfaMedia(ComSafeArrayInArg(aMedia));
4422
4423 // collect files to delete
4424 pTask->llFilesToDelete = mData->llFilesToDelete; // saved states pushed here by Unregister()
4425
4426 for (size_t i = 0; i < sfaMedia.size(); ++i)
4427 {
4428 IMedium *pIMedium(sfaMedia[i]);
4429 Medium *pMedium = static_cast<Medium*>(pIMedium);
4430 AutoCaller mediumAutoCaller(pMedium);
4431 if (FAILED(mediumAutoCaller.rc())) return mediumAutoCaller.rc();
4432
4433 Utf8Str bstrLocation = pMedium->getLocationFull();
4434
4435 bool fDoesMediumNeedFileDeletion = pMedium->isMediumFormatFile();
4436
4437 // close the medium now; if that succeeds, then that means the medium is no longer
4438 // in use and we can add it to the list of files to delete
4439 rc = pMedium->close(&pTask->llRegistriesThatNeedSaving,
4440 mediumAutoCaller);
4441 if (SUCCEEDED(rc) && fDoesMediumNeedFileDeletion)
4442 pTask->llFilesToDelete.push_back(bstrLocation);
4443 }
4444 if (mData->pMachineConfigFile->fileExists())
4445 pTask->llFilesToDelete.push_back(mData->m_strConfigFileFull);
4446
4447 pTask->pProgress.createObject();
4448 pTask->pProgress->init(getVirtualBox(),
4449 static_cast<IMachine*>(this) /* aInitiator */,
4450 Bstr(tr("Deleting files")).raw(),
4451 true /* fCancellable */,
4452 pTask->llFilesToDelete.size() + 1, // cOperations
4453 BstrFmt(tr("Deleting '%s'"), pTask->llFilesToDelete.front().c_str()).raw());
4454
4455 int vrc = RTThreadCreate(NULL,
4456 Machine::deleteThread,
4457 (void*)pTask,
4458 0,
4459 RTTHREADTYPE_MAIN_WORKER,
4460 0,
4461 "MachineDelete");
4462
4463 pTask->pProgress.queryInterfaceTo(aProgress);
4464
4465 if (RT_FAILURE(vrc))
4466 {
4467 delete pTask;
4468 return setError(E_FAIL, "Could not create MachineDelete thread (%Rrc)", vrc);
4469 }
4470
4471 LogFlowFuncLeave();
4472
4473 return S_OK;
4474}
4475
4476/**
4477 * Static task wrapper passed to RTThreadCreate() in Machine::Delete() which then
4478 * calls Machine::deleteTaskWorker() on the actual machine object.
4479 * @param Thread
4480 * @param pvUser
4481 * @return
4482 */
4483/*static*/
4484DECLCALLBACK(int) Machine::deleteThread(RTTHREAD Thread, void *pvUser)
4485{
4486 LogFlowFuncEnter();
4487
4488 DeleteTask *pTask = (DeleteTask*)pvUser;
4489 Assert(pTask);
4490 Assert(pTask->pMachine);
4491 Assert(pTask->pProgress);
4492
4493 HRESULT rc = pTask->pMachine->deleteTaskWorker(*pTask);
4494 pTask->pProgress->notifyComplete(rc);
4495
4496 delete pTask;
4497
4498 LogFlowFuncLeave();
4499
4500 NOREF(Thread);
4501
4502 return VINF_SUCCESS;
4503}
4504
4505/**
4506 * Task thread implementation for Machine::Delete(), called from Machine::deleteThread().
4507 * @param task
4508 * @return
4509 */
4510HRESULT Machine::deleteTaskWorker(DeleteTask &task)
4511{
4512 AutoCaller autoCaller(this);
4513 if (FAILED(autoCaller.rc())) return autoCaller.rc();
4514
4515 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
4516
4517 ULONG uLogHistoryCount = 3;
4518 ComPtr<ISystemProperties> systemProperties;
4519 mParent->COMGETTER(SystemProperties)(systemProperties.asOutParam());
4520 if (!systemProperties.isNull())
4521 systemProperties->COMGETTER(LogHistoryCount)(&uLogHistoryCount);
4522
4523 // delete the files pushed on the task list by Machine::Delete()
4524 // (this includes saved states of the machine and snapshots and
4525 // medium storage files from the IMedium list passed in, and the
4526 // machine XML file)
4527 std::list<Utf8Str>::const_iterator it = task.llFilesToDelete.begin();
4528 while (it != task.llFilesToDelete.end())
4529 {
4530 const Utf8Str &strFile = *it;
4531 LogFunc(("Deleting file %s\n", strFile.c_str()));
4532 RTFileDelete(strFile.c_str());
4533
4534 ++it;
4535 if (it == task.llFilesToDelete.end())
4536 {
4537 task.pProgress->SetNextOperation(Bstr(tr("Cleaning up machine directory")).raw(), 1);
4538 break;
4539 }
4540
4541 task.pProgress->SetNextOperation(BstrFmt(tr("Deleting '%s'"), it->c_str()).raw(), 1);
4542 }
4543
4544 /* delete the settings only when the file actually exists */
4545 if (mData->pMachineConfigFile->fileExists())
4546 {
4547 /* Delete any backup or uncommitted XML files. Ignore failures.
4548 See the fSafe parameter of xml::XmlFileWriter::write for details. */
4549 /** @todo Find a way to avoid referring directly to iprt/xml.h here. */
4550 Utf8Str otherXml = Utf8StrFmt("%s%s", mData->m_strConfigFileFull.c_str(), xml::XmlFileWriter::s_pszTmpSuff);
4551 RTFileDelete(otherXml.c_str());
4552 otherXml = Utf8StrFmt("%s%s", mData->m_strConfigFileFull.c_str(), xml::XmlFileWriter::s_pszPrevSuff);
4553 RTFileDelete(otherXml.c_str());
4554
4555 /* delete the Logs folder, nothing important should be left
4556 * there (we don't check for errors because the user might have
4557 * some private files there that we don't want to delete) */
4558 Utf8Str logFolder;
4559 getLogFolder(logFolder);
4560 Assert(logFolder.length());
4561 if (RTDirExists(logFolder.c_str()))
4562 {
4563 /* Delete all VBox.log[.N] files from the Logs folder
4564 * (this must be in sync with the rotation logic in
4565 * Console::powerUpThread()). Also, delete the VBox.png[.N]
4566 * files that may have been created by the GUI. */
4567 Utf8Str log = Utf8StrFmt("%s%cVBox.log",
4568 logFolder.c_str(), RTPATH_DELIMITER);
4569 RTFileDelete(log.c_str());
4570 log = Utf8StrFmt("%s%cVBox.png",
4571 logFolder.c_str(), RTPATH_DELIMITER);
4572 RTFileDelete(log.c_str());
4573 for (int i = uLogHistoryCount; i > 0; i--)
4574 {
4575 log = Utf8StrFmt("%s%cVBox.log.%d",
4576 logFolder.c_str(), RTPATH_DELIMITER, i);
4577 RTFileDelete(log.c_str());
4578 log = Utf8StrFmt("%s%cVBox.png.%d",
4579 logFolder.c_str(), RTPATH_DELIMITER, i);
4580 RTFileDelete(log.c_str());
4581 }
4582
4583 RTDirRemove(logFolder.c_str());
4584 }
4585
4586 /* delete the Snapshots folder, nothing important should be left
4587 * there (we don't check for errors because the user might have
4588 * some private files there that we don't want to delete) */
4589 Utf8Str strFullSnapshotFolder;
4590 calculateFullPath(mUserData->s.strSnapshotFolder, strFullSnapshotFolder);
4591 Assert(!strFullSnapshotFolder.isEmpty());
4592 if (RTDirExists(strFullSnapshotFolder.c_str()))
4593 RTDirRemove(strFullSnapshotFolder.c_str());
4594
4595 // delete the directory that contains the settings file, but only
4596 // if it matches the VM name
4597 Utf8Str settingsDir;
4598 if (isInOwnDir(&settingsDir))
4599 RTDirRemove(settingsDir.c_str());
4600 }
4601
4602 alock.release();
4603
4604 mParent->saveRegistries(task.llRegistriesThatNeedSaving);
4605
4606 return S_OK;
4607}
4608
4609STDMETHODIMP Machine::FindSnapshot(IN_BSTR aNameOrId, ISnapshot **aSnapshot)
4610{
4611 CheckComArgOutPointerValid(aSnapshot);
4612
4613 AutoCaller autoCaller(this);
4614 if (FAILED(autoCaller.rc())) return autoCaller.rc();
4615
4616 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
4617
4618 ComObjPtr<Snapshot> pSnapshot;
4619 HRESULT rc;
4620
4621 if (!aNameOrId || !*aNameOrId)
4622 // null case (caller wants root snapshot): findSnapshotById() handles this
4623 rc = findSnapshotById(Guid(), pSnapshot, true /* aSetError */);
4624 else
4625 {
4626 Guid uuid(aNameOrId);
4627 if (!uuid.isEmpty())
4628 rc = findSnapshotById(uuid, pSnapshot, true /* aSetError */);
4629 else
4630 rc = findSnapshotByName(Utf8Str(aNameOrId), pSnapshot, true /* aSetError */);
4631 }
4632 pSnapshot.queryInterfaceTo(aSnapshot);
4633
4634 return rc;
4635}
4636
4637STDMETHODIMP Machine::CreateSharedFolder(IN_BSTR aName, IN_BSTR aHostPath, BOOL aWritable, BOOL aAutoMount)
4638{
4639 CheckComArgStrNotEmptyOrNull(aName);
4640 CheckComArgStrNotEmptyOrNull(aHostPath);
4641
4642 AutoCaller autoCaller(this);
4643 if (FAILED(autoCaller.rc())) return autoCaller.rc();
4644
4645 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
4646
4647 HRESULT rc = checkStateDependency(MutableStateDep);
4648 if (FAILED(rc)) return rc;
4649
4650 ComObjPtr<SharedFolder> sharedFolder;
4651 rc = findSharedFolder(aName, sharedFolder, false /* aSetError */);
4652 if (SUCCEEDED(rc))
4653 return setError(VBOX_E_OBJECT_IN_USE,
4654 tr("Shared folder named '%ls' already exists"),
4655 aName);
4656
4657 sharedFolder.createObject();
4658 rc = sharedFolder->init(getMachine(), aName, aHostPath, aWritable, aAutoMount);
4659 if (FAILED(rc)) return rc;
4660
4661 setModified(IsModified_SharedFolders);
4662 mHWData.backup();
4663 mHWData->mSharedFolders.push_back(sharedFolder);
4664
4665 /* inform the direct session if any */
4666 alock.leave();
4667 onSharedFolderChange();
4668
4669 return S_OK;
4670}
4671
4672STDMETHODIMP Machine::RemoveSharedFolder(IN_BSTR aName)
4673{
4674 CheckComArgStrNotEmptyOrNull(aName);
4675
4676 AutoCaller autoCaller(this);
4677 if (FAILED(autoCaller.rc())) return autoCaller.rc();
4678
4679 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
4680
4681 HRESULT rc = checkStateDependency(MutableStateDep);
4682 if (FAILED(rc)) return rc;
4683
4684 ComObjPtr<SharedFolder> sharedFolder;
4685 rc = findSharedFolder(aName, sharedFolder, true /* aSetError */);
4686 if (FAILED(rc)) return rc;
4687
4688 setModified(IsModified_SharedFolders);
4689 mHWData.backup();
4690 mHWData->mSharedFolders.remove(sharedFolder);
4691
4692 /* inform the direct session if any */
4693 alock.leave();
4694 onSharedFolderChange();
4695
4696 return S_OK;
4697}
4698
4699STDMETHODIMP Machine::CanShowConsoleWindow(BOOL *aCanShow)
4700{
4701 CheckComArgOutPointerValid(aCanShow);
4702
4703 /* start with No */
4704 *aCanShow = FALSE;
4705
4706 AutoCaller autoCaller(this);
4707 AssertComRCReturnRC(autoCaller.rc());
4708
4709 ComPtr<IInternalSessionControl> directControl;
4710 {
4711 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
4712
4713 if (mData->mSession.mState != SessionState_Locked)
4714 return setError(VBOX_E_INVALID_VM_STATE,
4715 tr("Machine is not locked for session (session state: %s)"),
4716 Global::stringifySessionState(mData->mSession.mState));
4717
4718 directControl = mData->mSession.mDirectControl;
4719 }
4720
4721 /* ignore calls made after #OnSessionEnd() is called */
4722 if (!directControl)
4723 return S_OK;
4724
4725 LONG64 dummy;
4726 return directControl->OnShowWindow(TRUE /* aCheck */, aCanShow, &dummy);
4727}
4728
4729STDMETHODIMP Machine::ShowConsoleWindow(LONG64 *aWinId)
4730{
4731 CheckComArgOutPointerValid(aWinId);
4732
4733 AutoCaller autoCaller(this);
4734 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
4735
4736 ComPtr<IInternalSessionControl> directControl;
4737 {
4738 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
4739
4740 if (mData->mSession.mState != SessionState_Locked)
4741 return setError(E_FAIL,
4742 tr("Machine is not locked for session (session state: %s)"),
4743 Global::stringifySessionState(mData->mSession.mState));
4744
4745 directControl = mData->mSession.mDirectControl;
4746 }
4747
4748 /* ignore calls made after #OnSessionEnd() is called */
4749 if (!directControl)
4750 return S_OK;
4751
4752 BOOL dummy;
4753 return directControl->OnShowWindow(FALSE /* aCheck */, &dummy, aWinId);
4754}
4755
4756#ifdef VBOX_WITH_GUEST_PROPS
4757/**
4758 * Look up a guest property in VBoxSVC's internal structures.
4759 */
4760HRESULT Machine::getGuestPropertyFromService(IN_BSTR aName,
4761 BSTR *aValue,
4762 LONG64 *aTimestamp,
4763 BSTR *aFlags) const
4764{
4765 using namespace guestProp;
4766
4767 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
4768 Utf8Str strName(aName);
4769 HWData::GuestPropertyList::const_iterator it;
4770
4771 for (it = mHWData->mGuestProperties.begin();
4772 it != mHWData->mGuestProperties.end(); ++it)
4773 {
4774 if (it->strName == strName)
4775 {
4776 char szFlags[MAX_FLAGS_LEN + 1];
4777 it->strValue.cloneTo(aValue);
4778 *aTimestamp = it->mTimestamp;
4779 writeFlags(it->mFlags, szFlags);
4780 Bstr(szFlags).cloneTo(aFlags);
4781 break;
4782 }
4783 }
4784 return S_OK;
4785}
4786
4787/**
4788 * Query the VM that a guest property belongs to for the property.
4789 * @returns E_ACCESSDENIED if the VM process is not available or not
4790 * currently handling queries and the lookup should then be done in
4791 * VBoxSVC.
4792 */
4793HRESULT Machine::getGuestPropertyFromVM(IN_BSTR aName,
4794 BSTR *aValue,
4795 LONG64 *aTimestamp,
4796 BSTR *aFlags) const
4797{
4798 HRESULT rc;
4799 ComPtr<IInternalSessionControl> directControl;
4800 directControl = mData->mSession.mDirectControl;
4801
4802 /* fail if we were called after #OnSessionEnd() is called. This is a
4803 * silly race condition. */
4804
4805 if (!directControl)
4806 rc = E_ACCESSDENIED;
4807 else
4808 rc = directControl->AccessGuestProperty(aName, NULL, NULL,
4809 false /* isSetter */,
4810 aValue, aTimestamp, aFlags);
4811 return rc;
4812}
4813#endif // VBOX_WITH_GUEST_PROPS
4814
4815STDMETHODIMP Machine::GetGuestProperty(IN_BSTR aName,
4816 BSTR *aValue,
4817 LONG64 *aTimestamp,
4818 BSTR *aFlags)
4819{
4820#ifndef VBOX_WITH_GUEST_PROPS
4821 ReturnComNotImplemented();
4822#else // VBOX_WITH_GUEST_PROPS
4823 CheckComArgStrNotEmptyOrNull(aName);
4824 CheckComArgOutPointerValid(aValue);
4825 CheckComArgOutPointerValid(aTimestamp);
4826 CheckComArgOutPointerValid(aFlags);
4827
4828 AutoCaller autoCaller(this);
4829 if (FAILED(autoCaller.rc())) return autoCaller.rc();
4830
4831 HRESULT rc = getGuestPropertyFromVM(aName, aValue, aTimestamp, aFlags);
4832 if (rc == E_ACCESSDENIED)
4833 /* The VM is not running or the service is not (yet) accessible */
4834 rc = getGuestPropertyFromService(aName, aValue, aTimestamp, aFlags);
4835 return rc;
4836#endif // VBOX_WITH_GUEST_PROPS
4837}
4838
4839STDMETHODIMP Machine::GetGuestPropertyValue(IN_BSTR aName, BSTR *aValue)
4840{
4841 LONG64 dummyTimestamp;
4842 Bstr dummyFlags;
4843 return GetGuestProperty(aName, aValue, &dummyTimestamp, dummyFlags.asOutParam());
4844}
4845
4846STDMETHODIMP Machine::GetGuestPropertyTimestamp(IN_BSTR aName, LONG64 *aTimestamp)
4847{
4848 Bstr dummyValue;
4849 Bstr dummyFlags;
4850 return GetGuestProperty(aName, dummyValue.asOutParam(), aTimestamp, dummyFlags.asOutParam());
4851}
4852
4853#ifdef VBOX_WITH_GUEST_PROPS
4854/**
4855 * Set a guest property in VBoxSVC's internal structures.
4856 */
4857HRESULT Machine::setGuestPropertyToService(IN_BSTR aName, IN_BSTR aValue,
4858 IN_BSTR aFlags)
4859{
4860 using namespace guestProp;
4861
4862 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
4863 HRESULT rc = S_OK;
4864 HWData::GuestProperty property;
4865 property.mFlags = NILFLAG;
4866 bool found = false;
4867
4868 rc = checkStateDependency(MutableStateDep);
4869 if (FAILED(rc)) return rc;
4870
4871 try
4872 {
4873 Utf8Str utf8Name(aName);
4874 Utf8Str utf8Flags(aFlags);
4875 uint32_t fFlags = NILFLAG;
4876 if ( (aFlags != NULL)
4877 && RT_FAILURE(validateFlags(utf8Flags.c_str(), &fFlags))
4878 )
4879 return setError(E_INVALIDARG,
4880 tr("Invalid flag values: '%ls'"),
4881 aFlags);
4882
4883 /** @todo r=bird: see efficiency rant in PushGuestProperty. (Yeah, I
4884 * know, this is simple and do an OK job atm.) */
4885 HWData::GuestPropertyList::iterator it;
4886 for (it = mHWData->mGuestProperties.begin();
4887 it != mHWData->mGuestProperties.end(); ++it)
4888 if (it->strName == utf8Name)
4889 {
4890 property = *it;
4891 if (it->mFlags & (RDONLYHOST))
4892 rc = setError(E_ACCESSDENIED,
4893 tr("The property '%ls' cannot be changed by the host"),
4894 aName);
4895 else
4896 {
4897 setModified(IsModified_MachineData);
4898 mHWData.backup(); // @todo r=dj backup in a loop?!?
4899
4900 /* The backup() operation invalidates our iterator, so
4901 * get a new one. */
4902 for (it = mHWData->mGuestProperties.begin();
4903 it->strName != utf8Name;
4904 ++it)
4905 ;
4906 mHWData->mGuestProperties.erase(it);
4907 }
4908 found = true;
4909 break;
4910 }
4911 if (found && SUCCEEDED(rc))
4912 {
4913 if (*aValue)
4914 {
4915 RTTIMESPEC time;
4916 property.strValue = aValue;
4917 property.mTimestamp = RTTimeSpecGetNano(RTTimeNow(&time));
4918 if (aFlags != NULL)
4919 property.mFlags = fFlags;
4920 mHWData->mGuestProperties.push_back(property);
4921 }
4922 }
4923 else if (SUCCEEDED(rc) && *aValue)
4924 {
4925 RTTIMESPEC time;
4926 setModified(IsModified_MachineData);
4927 mHWData.backup();
4928 property.strName = aName;
4929 property.strValue = aValue;
4930 property.mTimestamp = RTTimeSpecGetNano(RTTimeNow(&time));
4931 property.mFlags = fFlags;
4932 mHWData->mGuestProperties.push_back(property);
4933 }
4934 if ( SUCCEEDED(rc)
4935 && ( mHWData->mGuestPropertyNotificationPatterns.isEmpty()
4936 || RTStrSimplePatternMultiMatch(mHWData->mGuestPropertyNotificationPatterns.c_str(),
4937 RTSTR_MAX,
4938 utf8Name.c_str(),
4939 RTSTR_MAX,
4940 NULL)
4941 )
4942 )
4943 {
4944 /** @todo r=bird: Why aren't we leaving the lock here? The
4945 * same code in PushGuestProperty does... */
4946 mParent->onGuestPropertyChange(mData->mUuid, aName, aValue, aFlags);
4947 }
4948 }
4949 catch (std::bad_alloc &)
4950 {
4951 rc = E_OUTOFMEMORY;
4952 }
4953
4954 return rc;
4955}
4956
4957/**
4958 * Set a property on the VM that that property belongs to.
4959 * @returns E_ACCESSDENIED if the VM process is not available or not
4960 * currently handling queries and the setting should then be done in
4961 * VBoxSVC.
4962 */
4963HRESULT Machine::setGuestPropertyToVM(IN_BSTR aName, IN_BSTR aValue,
4964 IN_BSTR aFlags)
4965{
4966 HRESULT rc;
4967
4968 try {
4969 ComPtr<IInternalSessionControl> directControl =
4970 mData->mSession.mDirectControl;
4971
4972 BSTR dummy = NULL; /* will not be changed (setter) */
4973 LONG64 dummy64;
4974 if (!directControl)
4975 rc = E_ACCESSDENIED;
4976 else
4977 rc = directControl->AccessGuestProperty
4978 (aName,
4979 /** @todo Fix when adding DeleteGuestProperty(),
4980 see defect. */
4981 *aValue ? aValue : NULL, aFlags, true /* isSetter */,
4982 &dummy, &dummy64, &dummy);
4983 }
4984 catch (std::bad_alloc &)
4985 {
4986 rc = E_OUTOFMEMORY;
4987 }
4988
4989 return rc;
4990}
4991#endif // VBOX_WITH_GUEST_PROPS
4992
4993STDMETHODIMP Machine::SetGuestProperty(IN_BSTR aName, IN_BSTR aValue,
4994 IN_BSTR aFlags)
4995{
4996#ifndef VBOX_WITH_GUEST_PROPS
4997 ReturnComNotImplemented();
4998#else // VBOX_WITH_GUEST_PROPS
4999 CheckComArgStrNotEmptyOrNull(aName);
5000 if ((aFlags != NULL) && !VALID_PTR(aFlags))
5001 return E_INVALIDARG;
5002 AutoCaller autoCaller(this);
5003 if (FAILED(autoCaller.rc())) return autoCaller.rc();
5004
5005 HRESULT rc = setGuestPropertyToVM(aName, aValue, aFlags);
5006 if (rc == E_ACCESSDENIED)
5007 /* The VM is not running or the service is not (yet) accessible */
5008 rc = setGuestPropertyToService(aName, aValue, aFlags);
5009 return rc;
5010#endif // VBOX_WITH_GUEST_PROPS
5011}
5012
5013STDMETHODIMP Machine::SetGuestPropertyValue(IN_BSTR aName, IN_BSTR aValue)
5014{
5015 return SetGuestProperty(aName, aValue, NULL);
5016}
5017
5018#ifdef VBOX_WITH_GUEST_PROPS
5019/**
5020 * Enumerate the guest properties in VBoxSVC's internal structures.
5021 */
5022HRESULT Machine::enumerateGuestPropertiesInService
5023 (IN_BSTR aPatterns, ComSafeArrayOut(BSTR, aNames),
5024 ComSafeArrayOut(BSTR, aValues),
5025 ComSafeArrayOut(LONG64, aTimestamps),
5026 ComSafeArrayOut(BSTR, aFlags))
5027{
5028 using namespace guestProp;
5029
5030 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5031 Utf8Str strPatterns(aPatterns);
5032
5033 /*
5034 * Look for matching patterns and build up a list.
5035 */
5036 HWData::GuestPropertyList propList;
5037 for (HWData::GuestPropertyList::iterator it = mHWData->mGuestProperties.begin();
5038 it != mHWData->mGuestProperties.end();
5039 ++it)
5040 if ( strPatterns.isEmpty()
5041 || RTStrSimplePatternMultiMatch(strPatterns.c_str(),
5042 RTSTR_MAX,
5043 it->strName.c_str(),
5044 RTSTR_MAX,
5045 NULL)
5046 )
5047 propList.push_back(*it);
5048
5049 /*
5050 * And build up the arrays for returning the property information.
5051 */
5052 size_t cEntries = propList.size();
5053 SafeArray<BSTR> names(cEntries);
5054 SafeArray<BSTR> values(cEntries);
5055 SafeArray<LONG64> timestamps(cEntries);
5056 SafeArray<BSTR> flags(cEntries);
5057 size_t iProp = 0;
5058 for (HWData::GuestPropertyList::iterator it = propList.begin();
5059 it != propList.end();
5060 ++it)
5061 {
5062 char szFlags[MAX_FLAGS_LEN + 1];
5063 it->strName.cloneTo(&names[iProp]);
5064 it->strValue.cloneTo(&values[iProp]);
5065 timestamps[iProp] = it->mTimestamp;
5066 writeFlags(it->mFlags, szFlags);
5067 Bstr(szFlags).cloneTo(&flags[iProp]);
5068 ++iProp;
5069 }
5070 names.detachTo(ComSafeArrayOutArg(aNames));
5071 values.detachTo(ComSafeArrayOutArg(aValues));
5072 timestamps.detachTo(ComSafeArrayOutArg(aTimestamps));
5073 flags.detachTo(ComSafeArrayOutArg(aFlags));
5074 return S_OK;
5075}
5076
5077/**
5078 * Enumerate the properties managed by a VM.
5079 * @returns E_ACCESSDENIED if the VM process is not available or not
5080 * currently handling queries and the setting should then be done in
5081 * VBoxSVC.
5082 */
5083HRESULT Machine::enumerateGuestPropertiesOnVM
5084 (IN_BSTR aPatterns, ComSafeArrayOut(BSTR, aNames),
5085 ComSafeArrayOut(BSTR, aValues),
5086 ComSafeArrayOut(LONG64, aTimestamps),
5087 ComSafeArrayOut(BSTR, aFlags))
5088{
5089 HRESULT rc;
5090 ComPtr<IInternalSessionControl> directControl;
5091 directControl = mData->mSession.mDirectControl;
5092
5093 if (!directControl)
5094 rc = E_ACCESSDENIED;
5095 else
5096 rc = directControl->EnumerateGuestProperties
5097 (aPatterns, ComSafeArrayOutArg(aNames),
5098 ComSafeArrayOutArg(aValues),
5099 ComSafeArrayOutArg(aTimestamps),
5100 ComSafeArrayOutArg(aFlags));
5101 return rc;
5102}
5103#endif // VBOX_WITH_GUEST_PROPS
5104
5105STDMETHODIMP Machine::EnumerateGuestProperties(IN_BSTR aPatterns,
5106 ComSafeArrayOut(BSTR, aNames),
5107 ComSafeArrayOut(BSTR, aValues),
5108 ComSafeArrayOut(LONG64, aTimestamps),
5109 ComSafeArrayOut(BSTR, aFlags))
5110{
5111#ifndef VBOX_WITH_GUEST_PROPS
5112 ReturnComNotImplemented();
5113#else // VBOX_WITH_GUEST_PROPS
5114 if (!VALID_PTR(aPatterns) && (aPatterns != NULL))
5115 return E_POINTER;
5116
5117 CheckComArgOutSafeArrayPointerValid(aNames);
5118 CheckComArgOutSafeArrayPointerValid(aValues);
5119 CheckComArgOutSafeArrayPointerValid(aTimestamps);
5120 CheckComArgOutSafeArrayPointerValid(aFlags);
5121
5122 AutoCaller autoCaller(this);
5123 if (FAILED(autoCaller.rc())) return autoCaller.rc();
5124
5125 HRESULT rc = enumerateGuestPropertiesOnVM
5126 (aPatterns, ComSafeArrayOutArg(aNames),
5127 ComSafeArrayOutArg(aValues),
5128 ComSafeArrayOutArg(aTimestamps),
5129 ComSafeArrayOutArg(aFlags));
5130 if (rc == E_ACCESSDENIED)
5131 /* The VM is not running or the service is not (yet) accessible */
5132 rc = enumerateGuestPropertiesInService
5133 (aPatterns, ComSafeArrayOutArg(aNames),
5134 ComSafeArrayOutArg(aValues),
5135 ComSafeArrayOutArg(aTimestamps),
5136 ComSafeArrayOutArg(aFlags));
5137 return rc;
5138#endif // VBOX_WITH_GUEST_PROPS
5139}
5140
5141STDMETHODIMP Machine::GetMediumAttachmentsOfController(IN_BSTR aName,
5142 ComSafeArrayOut(IMediumAttachment*, aAttachments))
5143{
5144 MediaData::AttachmentList atts;
5145
5146 HRESULT rc = getMediumAttachmentsOfController(aName, atts);
5147 if (FAILED(rc)) return rc;
5148
5149 SafeIfaceArray<IMediumAttachment> attachments(atts);
5150 attachments.detachTo(ComSafeArrayOutArg(aAttachments));
5151
5152 return S_OK;
5153}
5154
5155STDMETHODIMP Machine::GetMediumAttachment(IN_BSTR aControllerName,
5156 LONG aControllerPort,
5157 LONG aDevice,
5158 IMediumAttachment **aAttachment)
5159{
5160 LogFlowThisFunc(("aControllerName=\"%ls\" aControllerPort=%d aDevice=%d\n",
5161 aControllerName, aControllerPort, aDevice));
5162
5163 CheckComArgStrNotEmptyOrNull(aControllerName);
5164 CheckComArgOutPointerValid(aAttachment);
5165
5166 AutoCaller autoCaller(this);
5167 if (FAILED(autoCaller.rc())) return autoCaller.rc();
5168
5169 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5170
5171 *aAttachment = NULL;
5172
5173 ComObjPtr<MediumAttachment> pAttach = findAttachment(mMediaData->mAttachments,
5174 aControllerName,
5175 aControllerPort,
5176 aDevice);
5177 if (pAttach.isNull())
5178 return setError(VBOX_E_OBJECT_NOT_FOUND,
5179 tr("No storage device attached to device slot %d on port %d of controller '%ls'"),
5180 aDevice, aControllerPort, aControllerName);
5181
5182 pAttach.queryInterfaceTo(aAttachment);
5183
5184 return S_OK;
5185}
5186
5187STDMETHODIMP Machine::AddStorageController(IN_BSTR aName,
5188 StorageBus_T aConnectionType,
5189 IStorageController **controller)
5190{
5191 CheckComArgStrNotEmptyOrNull(aName);
5192
5193 if ( (aConnectionType <= StorageBus_Null)
5194 || (aConnectionType > StorageBus_SAS))
5195 return setError(E_INVALIDARG,
5196 tr("Invalid connection type: %d"),
5197 aConnectionType);
5198
5199 AutoCaller autoCaller(this);
5200 if (FAILED(autoCaller.rc())) return autoCaller.rc();
5201
5202 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
5203
5204 HRESULT rc = checkStateDependency(MutableStateDep);
5205 if (FAILED(rc)) return rc;
5206
5207 /* try to find one with the name first. */
5208 ComObjPtr<StorageController> ctrl;
5209
5210 rc = getStorageControllerByName(aName, ctrl, false /* aSetError */);
5211 if (SUCCEEDED(rc))
5212 return setError(VBOX_E_OBJECT_IN_USE,
5213 tr("Storage controller named '%ls' already exists"),
5214 aName);
5215
5216 ctrl.createObject();
5217
5218 /* get a new instance number for the storage controller */
5219 ULONG ulInstance = 0;
5220 bool fBootable = true;
5221 for (StorageControllerList::const_iterator it = mStorageControllers->begin();
5222 it != mStorageControllers->end();
5223 ++it)
5224 {
5225 if ((*it)->getStorageBus() == aConnectionType)
5226 {
5227 ULONG ulCurInst = (*it)->getInstance();
5228
5229 if (ulCurInst >= ulInstance)
5230 ulInstance = ulCurInst + 1;
5231
5232 /* Only one controller of each type can be marked as bootable. */
5233 if ((*it)->getBootable())
5234 fBootable = false;
5235 }
5236 }
5237
5238 rc = ctrl->init(this, aName, aConnectionType, ulInstance, fBootable);
5239 if (FAILED(rc)) return rc;
5240
5241 setModified(IsModified_Storage);
5242 mStorageControllers.backup();
5243 mStorageControllers->push_back(ctrl);
5244
5245 ctrl.queryInterfaceTo(controller);
5246
5247 /* inform the direct session if any */
5248 alock.leave();
5249 onStorageControllerChange();
5250
5251 return S_OK;
5252}
5253
5254STDMETHODIMP Machine::GetStorageControllerByName(IN_BSTR aName,
5255 IStorageController **aStorageController)
5256{
5257 CheckComArgStrNotEmptyOrNull(aName);
5258
5259 AutoCaller autoCaller(this);
5260 if (FAILED(autoCaller.rc())) return autoCaller.rc();
5261
5262 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5263
5264 ComObjPtr<StorageController> ctrl;
5265
5266 HRESULT rc = getStorageControllerByName(aName, ctrl, true /* aSetError */);
5267 if (SUCCEEDED(rc))
5268 ctrl.queryInterfaceTo(aStorageController);
5269
5270 return rc;
5271}
5272
5273STDMETHODIMP Machine::GetStorageControllerByInstance(ULONG aInstance,
5274 IStorageController **aStorageController)
5275{
5276 AutoCaller autoCaller(this);
5277 if (FAILED(autoCaller.rc())) return autoCaller.rc();
5278
5279 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5280
5281 for (StorageControllerList::const_iterator it = mStorageControllers->begin();
5282 it != mStorageControllers->end();
5283 ++it)
5284 {
5285 if ((*it)->getInstance() == aInstance)
5286 {
5287 (*it).queryInterfaceTo(aStorageController);
5288 return S_OK;
5289 }
5290 }
5291
5292 return setError(VBOX_E_OBJECT_NOT_FOUND,
5293 tr("Could not find a storage controller with instance number '%lu'"),
5294 aInstance);
5295}
5296
5297STDMETHODIMP Machine::SetStorageControllerBootable(IN_BSTR aName, BOOL fBootable)
5298{
5299 AutoCaller autoCaller(this);
5300 if (FAILED(autoCaller.rc())) return autoCaller.rc();
5301
5302 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
5303
5304 HRESULT rc = checkStateDependency(MutableStateDep);
5305 if (FAILED(rc)) return rc;
5306
5307 ComObjPtr<StorageController> ctrl;
5308
5309 rc = getStorageControllerByName(aName, ctrl, true /* aSetError */);
5310 if (SUCCEEDED(rc))
5311 {
5312 /* Ensure that only one controller of each type is marked as bootable. */
5313 if (fBootable == TRUE)
5314 {
5315 for (StorageControllerList::const_iterator it = mStorageControllers->begin();
5316 it != mStorageControllers->end();
5317 ++it)
5318 {
5319 ComObjPtr<StorageController> aCtrl = (*it);
5320
5321 if ( (aCtrl->getName() != Utf8Str(aName))
5322 && aCtrl->getBootable() == TRUE
5323 && aCtrl->getStorageBus() == ctrl->getStorageBus()
5324 && aCtrl->getControllerType() == ctrl->getControllerType())
5325 {
5326 aCtrl->setBootable(FALSE);
5327 break;
5328 }
5329 }
5330 }
5331
5332 if (SUCCEEDED(rc))
5333 {
5334 ctrl->setBootable(fBootable);
5335 setModified(IsModified_Storage);
5336 }
5337 }
5338
5339 if (SUCCEEDED(rc))
5340 {
5341 /* inform the direct session if any */
5342 alock.leave();
5343 onStorageControllerChange();
5344 }
5345
5346 return rc;
5347}
5348
5349STDMETHODIMP Machine::RemoveStorageController(IN_BSTR aName)
5350{
5351 CheckComArgStrNotEmptyOrNull(aName);
5352
5353 AutoCaller autoCaller(this);
5354 if (FAILED(autoCaller.rc())) return autoCaller.rc();
5355
5356 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
5357
5358 HRESULT rc = checkStateDependency(MutableStateDep);
5359 if (FAILED(rc)) return rc;
5360
5361 ComObjPtr<StorageController> ctrl;
5362 rc = getStorageControllerByName(aName, ctrl, true /* aSetError */);
5363 if (FAILED(rc)) return rc;
5364
5365 /* We can remove the controller only if there is no device attached. */
5366 /* check if the device slot is already busy */
5367 for (MediaData::AttachmentList::const_iterator it = mMediaData->mAttachments.begin();
5368 it != mMediaData->mAttachments.end();
5369 ++it)
5370 {
5371 if ((*it)->getControllerName() == aName)
5372 return setError(VBOX_E_OBJECT_IN_USE,
5373 tr("Storage controller named '%ls' has still devices attached"),
5374 aName);
5375 }
5376
5377 /* We can remove it now. */
5378 setModified(IsModified_Storage);
5379 mStorageControllers.backup();
5380
5381 ctrl->unshare();
5382
5383 mStorageControllers->remove(ctrl);
5384
5385 /* inform the direct session if any */
5386 alock.leave();
5387 onStorageControllerChange();
5388
5389 return S_OK;
5390}
5391
5392STDMETHODIMP Machine::QuerySavedGuestSize(ULONG uScreenId, ULONG *puWidth, ULONG *puHeight)
5393{
5394 LogFlowThisFunc(("\n"));
5395
5396 CheckComArgNotNull(puWidth);
5397 CheckComArgNotNull(puHeight);
5398
5399 uint32_t u32Width = 0;
5400 uint32_t u32Height = 0;
5401
5402 int vrc = readSavedGuestSize(mSSData->mStateFilePath, uScreenId, &u32Width, &u32Height);
5403 if (RT_FAILURE(vrc))
5404 return setError(VBOX_E_IPRT_ERROR,
5405 tr("Saved guest size is not available (%Rrc)"),
5406 vrc);
5407
5408 *puWidth = u32Width;
5409 *puHeight = u32Height;
5410
5411 return S_OK;
5412}
5413
5414STDMETHODIMP Machine::QuerySavedThumbnailSize(ULONG aScreenId, ULONG *aSize, ULONG *aWidth, ULONG *aHeight)
5415{
5416 LogFlowThisFunc(("\n"));
5417
5418 CheckComArgNotNull(aSize);
5419 CheckComArgNotNull(aWidth);
5420 CheckComArgNotNull(aHeight);
5421
5422 if (aScreenId != 0)
5423 return E_NOTIMPL;
5424
5425 AutoCaller autoCaller(this);
5426 if (FAILED(autoCaller.rc())) return autoCaller.rc();
5427
5428 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5429
5430 uint8_t *pu8Data = NULL;
5431 uint32_t cbData = 0;
5432 uint32_t u32Width = 0;
5433 uint32_t u32Height = 0;
5434
5435 int vrc = readSavedDisplayScreenshot(mSSData->mStateFilePath, 0 /* u32Type */, &pu8Data, &cbData, &u32Width, &u32Height);
5436
5437 if (RT_FAILURE(vrc))
5438 return setError(VBOX_E_IPRT_ERROR,
5439 tr("Saved screenshot data is not available (%Rrc)"),
5440 vrc);
5441
5442 *aSize = cbData;
5443 *aWidth = u32Width;
5444 *aHeight = u32Height;
5445
5446 freeSavedDisplayScreenshot(pu8Data);
5447
5448 return S_OK;
5449}
5450
5451STDMETHODIMP Machine::ReadSavedThumbnailToArray(ULONG aScreenId, BOOL aBGR, ULONG *aWidth, ULONG *aHeight, ComSafeArrayOut(BYTE, aData))
5452{
5453 LogFlowThisFunc(("\n"));
5454
5455 CheckComArgNotNull(aWidth);
5456 CheckComArgNotNull(aHeight);
5457 CheckComArgOutSafeArrayPointerValid(aData);
5458
5459 if (aScreenId != 0)
5460 return E_NOTIMPL;
5461
5462 AutoCaller autoCaller(this);
5463 if (FAILED(autoCaller.rc())) return autoCaller.rc();
5464
5465 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5466
5467 uint8_t *pu8Data = NULL;
5468 uint32_t cbData = 0;
5469 uint32_t u32Width = 0;
5470 uint32_t u32Height = 0;
5471
5472 int vrc = readSavedDisplayScreenshot(mSSData->mStateFilePath, 0 /* u32Type */, &pu8Data, &cbData, &u32Width, &u32Height);
5473
5474 if (RT_FAILURE(vrc))
5475 return setError(VBOX_E_IPRT_ERROR,
5476 tr("Saved screenshot data is not available (%Rrc)"),
5477 vrc);
5478
5479 *aWidth = u32Width;
5480 *aHeight = u32Height;
5481
5482 com::SafeArray<BYTE> bitmap(cbData);
5483 /* Convert pixels to format expected by the API caller. */
5484 if (aBGR)
5485 {
5486 /* [0] B, [1] G, [2] R, [3] A. */
5487 for (unsigned i = 0; i < cbData; i += 4)
5488 {
5489 bitmap[i] = pu8Data[i];
5490 bitmap[i + 1] = pu8Data[i + 1];
5491 bitmap[i + 2] = pu8Data[i + 2];
5492 bitmap[i + 3] = 0xff;
5493 }
5494 }
5495 else
5496 {
5497 /* [0] R, [1] G, [2] B, [3] A. */
5498 for (unsigned i = 0; i < cbData; i += 4)
5499 {
5500 bitmap[i] = pu8Data[i + 2];
5501 bitmap[i + 1] = pu8Data[i + 1];
5502 bitmap[i + 2] = pu8Data[i];
5503 bitmap[i + 3] = 0xff;
5504 }
5505 }
5506 bitmap.detachTo(ComSafeArrayOutArg(aData));
5507
5508 freeSavedDisplayScreenshot(pu8Data);
5509
5510 return S_OK;
5511}
5512
5513
5514STDMETHODIMP Machine::ReadSavedThumbnailPNGToArray(ULONG aScreenId, ULONG *aWidth, ULONG *aHeight, ComSafeArrayOut(BYTE, aData))
5515{
5516 LogFlowThisFunc(("\n"));
5517
5518 CheckComArgNotNull(aWidth);
5519 CheckComArgNotNull(aHeight);
5520 CheckComArgOutSafeArrayPointerValid(aData);
5521
5522 if (aScreenId != 0)
5523 return E_NOTIMPL;
5524
5525 AutoCaller autoCaller(this);
5526 if (FAILED(autoCaller.rc())) return autoCaller.rc();
5527
5528 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5529
5530 uint8_t *pu8Data = NULL;
5531 uint32_t cbData = 0;
5532 uint32_t u32Width = 0;
5533 uint32_t u32Height = 0;
5534
5535 int vrc = readSavedDisplayScreenshot(mSSData->mStateFilePath, 0 /* u32Type */, &pu8Data, &cbData, &u32Width, &u32Height);
5536
5537 if (RT_FAILURE(vrc))
5538 return setError(VBOX_E_IPRT_ERROR,
5539 tr("Saved screenshot data is not available (%Rrc)"),
5540 vrc);
5541
5542 *aWidth = u32Width;
5543 *aHeight = u32Height;
5544
5545 uint8_t *pu8PNG = NULL;
5546 uint32_t cbPNG = 0;
5547 uint32_t cxPNG = 0;
5548 uint32_t cyPNG = 0;
5549
5550 DisplayMakePNG(pu8Data, u32Width, u32Height, &pu8PNG, &cbPNG, &cxPNG, &cyPNG, 0);
5551
5552 com::SafeArray<BYTE> screenData(cbPNG);
5553 screenData.initFrom(pu8PNG, cbPNG);
5554 RTMemFree(pu8PNG);
5555
5556 screenData.detachTo(ComSafeArrayOutArg(aData));
5557
5558 freeSavedDisplayScreenshot(pu8Data);
5559
5560 return S_OK;
5561}
5562
5563STDMETHODIMP Machine::QuerySavedScreenshotPNGSize(ULONG aScreenId, ULONG *aSize, ULONG *aWidth, ULONG *aHeight)
5564{
5565 LogFlowThisFunc(("\n"));
5566
5567 CheckComArgNotNull(aSize);
5568 CheckComArgNotNull(aWidth);
5569 CheckComArgNotNull(aHeight);
5570
5571 if (aScreenId != 0)
5572 return E_NOTIMPL;
5573
5574 AutoCaller autoCaller(this);
5575 if (FAILED(autoCaller.rc())) return autoCaller.rc();
5576
5577 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5578
5579 uint8_t *pu8Data = NULL;
5580 uint32_t cbData = 0;
5581 uint32_t u32Width = 0;
5582 uint32_t u32Height = 0;
5583
5584 int vrc = readSavedDisplayScreenshot(mSSData->mStateFilePath, 1 /* u32Type */, &pu8Data, &cbData, &u32Width, &u32Height);
5585
5586 if (RT_FAILURE(vrc))
5587 return setError(VBOX_E_IPRT_ERROR,
5588 tr("Saved screenshot data is not available (%Rrc)"),
5589 vrc);
5590
5591 *aSize = cbData;
5592 *aWidth = u32Width;
5593 *aHeight = u32Height;
5594
5595 freeSavedDisplayScreenshot(pu8Data);
5596
5597 return S_OK;
5598}
5599
5600STDMETHODIMP Machine::ReadSavedScreenshotPNGToArray(ULONG aScreenId, ULONG *aWidth, ULONG *aHeight, ComSafeArrayOut(BYTE, aData))
5601{
5602 LogFlowThisFunc(("\n"));
5603
5604 CheckComArgNotNull(aWidth);
5605 CheckComArgNotNull(aHeight);
5606 CheckComArgOutSafeArrayPointerValid(aData);
5607
5608 if (aScreenId != 0)
5609 return E_NOTIMPL;
5610
5611 AutoCaller autoCaller(this);
5612 if (FAILED(autoCaller.rc())) return autoCaller.rc();
5613
5614 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5615
5616 uint8_t *pu8Data = NULL;
5617 uint32_t cbData = 0;
5618 uint32_t u32Width = 0;
5619 uint32_t u32Height = 0;
5620
5621 int vrc = readSavedDisplayScreenshot(mSSData->mStateFilePath, 1 /* u32Type */, &pu8Data, &cbData, &u32Width, &u32Height);
5622
5623 if (RT_FAILURE(vrc))
5624 return setError(VBOX_E_IPRT_ERROR,
5625 tr("Saved screenshot thumbnail data is not available (%Rrc)"),
5626 vrc);
5627
5628 *aWidth = u32Width;
5629 *aHeight = u32Height;
5630
5631 com::SafeArray<BYTE> png(cbData);
5632 png.initFrom(pu8Data, cbData);
5633 png.detachTo(ComSafeArrayOutArg(aData));
5634
5635 freeSavedDisplayScreenshot(pu8Data);
5636
5637 return S_OK;
5638}
5639
5640STDMETHODIMP Machine::HotPlugCPU(ULONG aCpu)
5641{
5642 HRESULT rc = S_OK;
5643 LogFlowThisFunc(("\n"));
5644
5645 AutoCaller autoCaller(this);
5646 if (FAILED(autoCaller.rc())) return autoCaller.rc();
5647
5648 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
5649
5650 if (!mHWData->mCPUHotPlugEnabled)
5651 return setError(E_INVALIDARG, tr("CPU hotplug is not enabled"));
5652
5653 if (aCpu >= mHWData->mCPUCount)
5654 return setError(E_INVALIDARG, tr("CPU id exceeds number of possible CPUs [0:%lu]"), mHWData->mCPUCount-1);
5655
5656 if (mHWData->mCPUAttached[aCpu])
5657 return setError(VBOX_E_OBJECT_IN_USE, tr("CPU %lu is already attached"), aCpu);
5658
5659 alock.release();
5660 rc = onCPUChange(aCpu, false);
5661 alock.acquire();
5662 if (FAILED(rc)) return rc;
5663
5664 setModified(IsModified_MachineData);
5665 mHWData.backup();
5666 mHWData->mCPUAttached[aCpu] = true;
5667
5668 /* Save settings if online */
5669 if (Global::IsOnline(mData->mMachineState))
5670 saveSettings(NULL);
5671
5672 return S_OK;
5673}
5674
5675STDMETHODIMP Machine::HotUnplugCPU(ULONG aCpu)
5676{
5677 HRESULT rc = S_OK;
5678 LogFlowThisFunc(("\n"));
5679
5680 AutoCaller autoCaller(this);
5681 if (FAILED(autoCaller.rc())) return autoCaller.rc();
5682
5683 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
5684
5685 if (!mHWData->mCPUHotPlugEnabled)
5686 return setError(E_INVALIDARG, tr("CPU hotplug is not enabled"));
5687
5688 if (aCpu >= SchemaDefs::MaxCPUCount)
5689 return setError(E_INVALIDARG,
5690 tr("CPU index exceeds maximum CPU count (must be in range [0:%lu])"),
5691 SchemaDefs::MaxCPUCount);
5692
5693 if (!mHWData->mCPUAttached[aCpu])
5694 return setError(VBOX_E_OBJECT_NOT_FOUND, tr("CPU %lu is not attached"), aCpu);
5695
5696 /* CPU 0 can't be detached */
5697 if (aCpu == 0)
5698 return setError(E_INVALIDARG, tr("It is not possible to detach CPU 0"));
5699
5700 alock.release();
5701 rc = onCPUChange(aCpu, true);
5702 alock.acquire();
5703 if (FAILED(rc)) return rc;
5704
5705 setModified(IsModified_MachineData);
5706 mHWData.backup();
5707 mHWData->mCPUAttached[aCpu] = false;
5708
5709 /* Save settings if online */
5710 if (Global::IsOnline(mData->mMachineState))
5711 saveSettings(NULL);
5712
5713 return S_OK;
5714}
5715
5716STDMETHODIMP Machine::GetCPUStatus(ULONG aCpu, BOOL *aCpuAttached)
5717{
5718 LogFlowThisFunc(("\n"));
5719
5720 CheckComArgNotNull(aCpuAttached);
5721
5722 *aCpuAttached = false;
5723
5724 AutoCaller autoCaller(this);
5725 if (FAILED(autoCaller.rc())) return autoCaller.rc();
5726
5727 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5728
5729 /* If hotplug is enabled the CPU is always enabled. */
5730 if (!mHWData->mCPUHotPlugEnabled)
5731 {
5732 if (aCpu < mHWData->mCPUCount)
5733 *aCpuAttached = true;
5734 }
5735 else
5736 {
5737 if (aCpu < SchemaDefs::MaxCPUCount)
5738 *aCpuAttached = mHWData->mCPUAttached[aCpu];
5739 }
5740
5741 return S_OK;
5742}
5743
5744STDMETHODIMP Machine::QueryLogFilename(ULONG aIdx, BSTR *aName)
5745{
5746 CheckComArgOutPointerValid(aName);
5747
5748 AutoCaller autoCaller(this);
5749 if (FAILED(autoCaller.rc())) return autoCaller.rc();
5750
5751 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5752
5753 Utf8Str log = queryLogFilename(aIdx);
5754 if (!RTFileExists(log.c_str()))
5755 log.setNull();
5756 log.cloneTo(aName);
5757
5758 return S_OK;
5759}
5760
5761STDMETHODIMP Machine::ReadLog(ULONG aIdx, LONG64 aOffset, LONG64 aSize, ComSafeArrayOut(BYTE, aData))
5762{
5763 LogFlowThisFunc(("\n"));
5764 CheckComArgOutSafeArrayPointerValid(aData);
5765 if (aSize < 0)
5766 return setError(E_INVALIDARG, tr("The size argument (%lld) is negative"), aSize);
5767
5768 AutoCaller autoCaller(this);
5769 if (FAILED(autoCaller.rc())) return autoCaller.rc();
5770
5771 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5772
5773 HRESULT rc = S_OK;
5774 Utf8Str log = queryLogFilename(aIdx);
5775
5776 /* do not unnecessarily hold the lock while doing something which does
5777 * not need the lock and potentially takes a long time. */
5778 alock.release();
5779
5780 /* Limit the chunk size to 32K for now, as that gives better performance
5781 * over (XP)COM, and keeps the SOAP reply size under 1M for the webservice.
5782 * One byte expands to approx. 25 bytes of breathtaking XML. */
5783 size_t cbData = (size_t)RT_MIN(aSize, 32768);
5784 com::SafeArray<BYTE> logData(cbData);
5785
5786 RTFILE LogFile;
5787 int vrc = RTFileOpen(&LogFile, log.c_str(),
5788 RTFILE_O_OPEN | RTFILE_O_READ | RTFILE_O_DENY_NONE);
5789 if (RT_SUCCESS(vrc))
5790 {
5791 vrc = RTFileReadAt(LogFile, aOffset, logData.raw(), cbData, &cbData);
5792 if (RT_SUCCESS(vrc))
5793 logData.resize(cbData);
5794 else
5795 rc = setError(VBOX_E_IPRT_ERROR,
5796 tr("Could not read log file '%s' (%Rrc)"),
5797 log.c_str(), vrc);
5798 RTFileClose(LogFile);
5799 }
5800 else
5801 rc = setError(VBOX_E_IPRT_ERROR,
5802 tr("Could not open log file '%s' (%Rrc)"),
5803 log.c_str(), vrc);
5804
5805 if (FAILED(rc))
5806 logData.resize(0);
5807 logData.detachTo(ComSafeArrayOutArg(aData));
5808
5809 return rc;
5810}
5811
5812
5813STDMETHODIMP Machine::AttachHostPciDevice(LONG hostAddress, LONG desiredGuestAddress, IEventContext * /*eventContext*/, BOOL /*tryToUnbind*/)
5814{
5815 AutoCaller autoCaller(this);
5816 if (FAILED(autoCaller.rc())) return autoCaller.rc();
5817 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
5818
5819 ComObjPtr<PciDeviceAttachment> pda;
5820 char name[32];
5821
5822 pda.createObject();
5823 RTStrPrintf(name, sizeof(name), "host%02x:%02x.%x", (hostAddress>>8) & 0xff, (hostAddress & 0xf8) >> 3, hostAddress & 7);
5824 Bstr bname(name);
5825 pda.createObject();
5826 pda->init(this, bname, hostAddress, desiredGuestAddress, TRUE);
5827
5828 mPciDeviceAssignments.push_back(pda);
5829 return S_OK;
5830}
5831
5832STDMETHODIMP Machine::DetachHostPciDevice(LONG /*hostAddress*/)
5833{
5834 AutoCaller autoCaller(this);
5835 if (FAILED(autoCaller.rc())) return autoCaller.rc();
5836 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
5837
5838 return E_NOTIMPL;
5839}
5840
5841STDMETHODIMP Machine::COMGETTER(PciDeviceAssignments)(ComSafeArrayOut(IPciDeviceAttachment *, aAssignments))
5842{
5843 CheckComArgOutSafeArrayPointerValid(aAssignments);
5844
5845 AutoCaller autoCaller(this);
5846 if (FAILED(autoCaller.rc())) return autoCaller.rc();
5847
5848 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5849
5850 SafeIfaceArray<IPciDeviceAttachment> assignments(mPciDeviceAssignments);
5851 assignments.detachTo(ComSafeArrayOutArg(aAssignments));
5852
5853 return S_OK;
5854}
5855
5856STDMETHODIMP Machine::COMGETTER(BandwidthControl)(IBandwidthControl **aBandwidthControl)
5857{
5858 CheckComArgOutPointerValid(aBandwidthControl);
5859
5860 AutoCaller autoCaller(this);
5861 if (FAILED(autoCaller.rc())) return autoCaller.rc();
5862
5863 mBandwidthControl.queryInterfaceTo(aBandwidthControl);
5864
5865 return S_OK;
5866}
5867
5868// public methods for internal purposes
5869/////////////////////////////////////////////////////////////////////////////
5870
5871/**
5872 * Adds the given IsModified_* flag to the dirty flags of the machine.
5873 * This must be called either during loadSettings or under the machine write lock.
5874 * @param fl
5875 */
5876void Machine::setModified(uint32_t fl)
5877{
5878 mData->flModifications |= fl;
5879}
5880
5881/**
5882 * Saves the registry entry of this machine to the given configuration node.
5883 *
5884 * @param aEntryNode Node to save the registry entry to.
5885 *
5886 * @note locks this object for reading.
5887 */
5888HRESULT Machine::saveRegistryEntry(settings::MachineRegistryEntry &data)
5889{
5890 AutoLimitedCaller autoCaller(this);
5891 AssertComRCReturnRC(autoCaller.rc());
5892
5893 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5894
5895 data.uuid = mData->mUuid;
5896 data.strSettingsFile = mData->m_strConfigFile;
5897
5898 return S_OK;
5899}
5900
5901/**
5902 * Calculates the absolute path of the given path taking the directory of the
5903 * machine settings file as the current directory.
5904 *
5905 * @param aPath Path to calculate the absolute path for.
5906 * @param aResult Where to put the result (used only on success, can be the
5907 * same Utf8Str instance as passed in @a aPath).
5908 * @return IPRT result.
5909 *
5910 * @note Locks this object for reading.
5911 */
5912int Machine::calculateFullPath(const Utf8Str &strPath, Utf8Str &aResult)
5913{
5914 AutoCaller autoCaller(this);
5915 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
5916
5917 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5918
5919 AssertReturn(!mData->m_strConfigFileFull.isEmpty(), VERR_GENERAL_FAILURE);
5920
5921 Utf8Str strSettingsDir = mData->m_strConfigFileFull;
5922
5923 strSettingsDir.stripFilename();
5924 char folder[RTPATH_MAX];
5925 int vrc = RTPathAbsEx(strSettingsDir.c_str(), strPath.c_str(), folder, sizeof(folder));
5926 if (RT_SUCCESS(vrc))
5927 aResult = folder;
5928
5929 return vrc;
5930}
5931
5932/**
5933 * Copies strSource to strTarget, making it relative to the machine folder
5934 * if it is a subdirectory thereof, or simply copying it otherwise.
5935 *
5936 * @param strSource Path to evaluate and copy.
5937 * @param strTarget Buffer to receive target path.
5938 *
5939 * @note Locks this object for reading.
5940 */
5941void Machine::copyPathRelativeToMachine(const Utf8Str &strSource,
5942 Utf8Str &strTarget)
5943{
5944 AutoCaller autoCaller(this);
5945 AssertComRCReturn(autoCaller.rc(), (void)0);
5946
5947 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5948
5949 AssertReturnVoid(!mData->m_strConfigFileFull.isEmpty());
5950 // use strTarget as a temporary buffer to hold the machine settings dir
5951 strTarget = mData->m_strConfigFileFull;
5952 strTarget.stripFilename();
5953 if (RTPathStartsWith(strSource.c_str(), strTarget.c_str()))
5954 // is relative: then append what's left
5955 strTarget = strSource.substr(strTarget.length() + 1); // skip '/'
5956 else
5957 // is not relative: then overwrite
5958 strTarget = strSource;
5959}
5960
5961/**
5962 * Returns the full path to the machine's log folder in the
5963 * \a aLogFolder argument.
5964 */
5965void Machine::getLogFolder(Utf8Str &aLogFolder)
5966{
5967 AutoCaller autoCaller(this);
5968 AssertComRCReturnVoid(autoCaller.rc());
5969
5970 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
5971
5972 aLogFolder = mData->m_strConfigFileFull; // path/to/machinesfolder/vmname/vmname.vbox
5973 aLogFolder.stripFilename(); // path/to/machinesfolder/vmname
5974 aLogFolder.append(RTPATH_DELIMITER);
5975 aLogFolder.append("Logs"); // path/to/machinesfolder/vmname/Logs
5976}
5977
5978/**
5979 * Returns the full path to the machine's log file for an given index.
5980 */
5981Utf8Str Machine::queryLogFilename(ULONG idx)
5982{
5983 Utf8Str logFolder;
5984 getLogFolder(logFolder);
5985 Assert(logFolder.length());
5986 Utf8Str log;
5987 if (idx == 0)
5988 log = Utf8StrFmt("%s%cVBox.log",
5989 logFolder.c_str(), RTPATH_DELIMITER);
5990 else
5991 log = Utf8StrFmt("%s%cVBox.log.%d",
5992 logFolder.c_str(), RTPATH_DELIMITER, idx);
5993 return log;
5994}
5995
5996/**
5997 * @note Locks this object for writing, calls the client process
5998 * (inside the lock).
5999 */
6000HRESULT Machine::openRemoteSession(IInternalSessionControl *aControl,
6001 IN_BSTR aType,
6002 IN_BSTR aEnvironment,
6003 ProgressProxy *aProgress)
6004{
6005 LogFlowThisFuncEnter();
6006
6007 AssertReturn(aControl, E_FAIL);
6008 AssertReturn(aProgress, E_FAIL);
6009
6010 AutoCaller autoCaller(this);
6011 if (FAILED(autoCaller.rc())) return autoCaller.rc();
6012
6013 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
6014
6015 if (!mData->mRegistered)
6016 return setError(E_UNEXPECTED,
6017 tr("The machine '%s' is not registered"),
6018 mUserData->s.strName.c_str());
6019
6020 LogFlowThisFunc(("mSession.mState=%s\n", Global::stringifySessionState(mData->mSession.mState)));
6021
6022 if ( mData->mSession.mState == SessionState_Locked
6023 || mData->mSession.mState == SessionState_Spawning
6024 || mData->mSession.mState == SessionState_Unlocking)
6025 return setError(VBOX_E_INVALID_OBJECT_STATE,
6026 tr("The machine '%s' is already locked by a session (or being locked or unlocked)"),
6027 mUserData->s.strName.c_str());
6028
6029 /* may not be busy */
6030 AssertReturn(!Global::IsOnlineOrTransient(mData->mMachineState), E_FAIL);
6031
6032 /* get the path to the executable */
6033 char szPath[RTPATH_MAX];
6034 RTPathAppPrivateArch(szPath, sizeof(szPath) - 1);
6035 size_t sz = strlen(szPath);
6036 szPath[sz++] = RTPATH_DELIMITER;
6037 szPath[sz] = 0;
6038 char *cmd = szPath + sz;
6039 sz = RTPATH_MAX - sz;
6040
6041 int vrc = VINF_SUCCESS;
6042 RTPROCESS pid = NIL_RTPROCESS;
6043
6044 RTENV env = RTENV_DEFAULT;
6045
6046 if (aEnvironment != NULL && *aEnvironment)
6047 {
6048 char *newEnvStr = NULL;
6049
6050 do
6051 {
6052 /* clone the current environment */
6053 int vrc2 = RTEnvClone(&env, RTENV_DEFAULT);
6054 AssertRCBreakStmt(vrc2, vrc = vrc2);
6055
6056 newEnvStr = RTStrDup(Utf8Str(aEnvironment).c_str());
6057 AssertPtrBreakStmt(newEnvStr, vrc = vrc2);
6058
6059 /* put new variables to the environment
6060 * (ignore empty variable names here since RTEnv API
6061 * intentionally doesn't do that) */
6062 char *var = newEnvStr;
6063 for (char *p = newEnvStr; *p; ++p)
6064 {
6065 if (*p == '\n' && (p == newEnvStr || *(p - 1) != '\\'))
6066 {
6067 *p = '\0';
6068 if (*var)
6069 {
6070 char *val = strchr(var, '=');
6071 if (val)
6072 {
6073 *val++ = '\0';
6074 vrc2 = RTEnvSetEx(env, var, val);
6075 }
6076 else
6077 vrc2 = RTEnvUnsetEx(env, var);
6078 if (RT_FAILURE(vrc2))
6079 break;
6080 }
6081 var = p + 1;
6082 }
6083 }
6084 if (RT_SUCCESS(vrc2) && *var)
6085 vrc2 = RTEnvPutEx(env, var);
6086
6087 AssertRCBreakStmt(vrc2, vrc = vrc2);
6088 }
6089 while (0);
6090
6091 if (newEnvStr != NULL)
6092 RTStrFree(newEnvStr);
6093 }
6094
6095 Utf8Str strType(aType);
6096
6097 /* Qt is default */
6098#ifdef VBOX_WITH_QTGUI
6099 if (strType == "gui" || strType == "GUI/Qt")
6100 {
6101# ifdef RT_OS_DARWIN /* Avoid Launch Services confusing this with the selector by using a helper app. */
6102 const char VirtualBox_exe[] = "../Resources/VirtualBoxVM.app/Contents/MacOS/VirtualBoxVM";
6103# else
6104 const char VirtualBox_exe[] = "VirtualBox" HOSTSUFF_EXE;
6105# endif
6106 Assert(sz >= sizeof(VirtualBox_exe));
6107 strcpy(cmd, VirtualBox_exe);
6108
6109 Utf8Str idStr = mData->mUuid.toString();
6110 const char * args[] = {szPath, "--comment", mUserData->s.strName.c_str(), "--startvm", idStr.c_str(), "--no-startvm-errormsgbox", 0 };
6111 vrc = RTProcCreate(szPath, args, env, 0, &pid);
6112 }
6113#else /* !VBOX_WITH_QTGUI */
6114 if (0)
6115 ;
6116#endif /* VBOX_WITH_QTGUI */
6117
6118 else
6119
6120#ifdef VBOX_WITH_VBOXSDL
6121 if (strType == "sdl" || strType == "GUI/SDL")
6122 {
6123 const char VBoxSDL_exe[] = "VBoxSDL" HOSTSUFF_EXE;
6124 Assert(sz >= sizeof(VBoxSDL_exe));
6125 strcpy(cmd, VBoxSDL_exe);
6126
6127 Utf8Str idStr = mData->mUuid.toString();
6128 const char * args[] = {szPath, "--comment", mUserData->s.strName.c_str(), "--startvm", idStr.c_str(), 0 };
6129 vrc = RTProcCreate(szPath, args, env, 0, &pid);
6130 }
6131#else /* !VBOX_WITH_VBOXSDL */
6132 if (0)
6133 ;
6134#endif /* !VBOX_WITH_VBOXSDL */
6135
6136 else
6137
6138#ifdef VBOX_WITH_HEADLESS
6139 if ( strType == "headless"
6140 || strType == "capture"
6141 || strType == "vrdp" /* Deprecated. Same as headless. */
6142 )
6143 {
6144 /* On pre-4.0 the "headless" type was used for passing "--vrdp off" to VBoxHeadless to let it work in OSE,
6145 * which did not contain VRDP server. In VBox 4.0 the remote desktop server (VRDE) is optional,
6146 * and a VM works even if the server has not been installed.
6147 * So in 4.0 the "headless" behavior remains the same for default VBox installations.
6148 * Only if a VRDE has been installed and the VM enables it, the "headless" will work
6149 * differently in 4.0 and 3.x.
6150 */
6151 const char VBoxHeadless_exe[] = "VBoxHeadless" HOSTSUFF_EXE;
6152 Assert(sz >= sizeof(VBoxHeadless_exe));
6153 strcpy(cmd, VBoxHeadless_exe);
6154
6155 Utf8Str idStr = mData->mUuid.toString();
6156 /* Leave space for "--capture" arg. */
6157 const char * args[] = {szPath, "--comment", mUserData->s.strName.c_str(), "--startvm", idStr.c_str(), 0, 0 };
6158 if (strType == "capture")
6159 {
6160 unsigned pos = RT_ELEMENTS(args) - 2;
6161 args[pos] = "--capture";
6162 }
6163 vrc = RTProcCreate(szPath, args, env, 0, &pid);
6164 }
6165#else /* !VBOX_WITH_HEADLESS */
6166 if (0)
6167 ;
6168#endif /* !VBOX_WITH_HEADLESS */
6169 else
6170 {
6171 RTEnvDestroy(env);
6172 return setError(E_INVALIDARG,
6173 tr("Invalid session type: '%s'"),
6174 strType.c_str());
6175 }
6176
6177 RTEnvDestroy(env);
6178
6179 if (RT_FAILURE(vrc))
6180 return setError(VBOX_E_IPRT_ERROR,
6181 tr("Could not launch a process for the machine '%s' (%Rrc)"),
6182 mUserData->s.strName.c_str(), vrc);
6183
6184 LogFlowThisFunc(("launched.pid=%d(0x%x)\n", pid, pid));
6185
6186 /*
6187 * Note that we don't leave the lock here before calling the client,
6188 * because it doesn't need to call us back if called with a NULL argument.
6189 * Leaving the lock here is dangerous because we didn't prepare the
6190 * launch data yet, but the client we've just started may happen to be
6191 * too fast and call openSession() that will fail (because of PID, etc.),
6192 * so that the Machine will never get out of the Spawning session state.
6193 */
6194
6195 /* inform the session that it will be a remote one */
6196 LogFlowThisFunc(("Calling AssignMachine (NULL)...\n"));
6197 HRESULT rc = aControl->AssignMachine(NULL);
6198 LogFlowThisFunc(("AssignMachine (NULL) returned %08X\n", rc));
6199
6200 if (FAILED(rc))
6201 {
6202 /* restore the session state */
6203 mData->mSession.mState = SessionState_Unlocked;
6204 /* The failure may occur w/o any error info (from RPC), so provide one */
6205 return setError(VBOX_E_VM_ERROR,
6206 tr("Failed to assign the machine to the session (%Rrc)"), rc);
6207 }
6208
6209 /* attach launch data to the machine */
6210 Assert(mData->mSession.mPid == NIL_RTPROCESS);
6211 mData->mSession.mRemoteControls.push_back (aControl);
6212 mData->mSession.mProgress = aProgress;
6213 mData->mSession.mPid = pid;
6214 mData->mSession.mState = SessionState_Spawning;
6215 mData->mSession.mType = strType;
6216
6217 LogFlowThisFuncLeave();
6218 return S_OK;
6219}
6220
6221/**
6222 * Returns @c true if the given machine has an open direct session and returns
6223 * the session machine instance and additional session data (on some platforms)
6224 * if so.
6225 *
6226 * Note that when the method returns @c false, the arguments remain unchanged.
6227 *
6228 * @param aMachine Session machine object.
6229 * @param aControl Direct session control object (optional).
6230 * @param aIPCSem Mutex IPC semaphore handle for this machine (optional).
6231 *
6232 * @note locks this object for reading.
6233 */
6234#if defined(RT_OS_WINDOWS)
6235bool Machine::isSessionOpen(ComObjPtr<SessionMachine> &aMachine,
6236 ComPtr<IInternalSessionControl> *aControl /*= NULL*/,
6237 HANDLE *aIPCSem /*= NULL*/,
6238 bool aAllowClosing /*= false*/)
6239#elif defined(RT_OS_OS2)
6240bool Machine::isSessionOpen(ComObjPtr<SessionMachine> &aMachine,
6241 ComPtr<IInternalSessionControl> *aControl /*= NULL*/,
6242 HMTX *aIPCSem /*= NULL*/,
6243 bool aAllowClosing /*= false*/)
6244#else
6245bool Machine::isSessionOpen(ComObjPtr<SessionMachine> &aMachine,
6246 ComPtr<IInternalSessionControl> *aControl /*= NULL*/,
6247 bool aAllowClosing /*= false*/)
6248#endif
6249{
6250 AutoLimitedCaller autoCaller(this);
6251 AssertComRCReturn(autoCaller.rc(), false);
6252
6253 /* just return false for inaccessible machines */
6254 if (autoCaller.state() != Ready)
6255 return false;
6256
6257 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
6258
6259 if ( mData->mSession.mState == SessionState_Locked
6260 || (aAllowClosing && mData->mSession.mState == SessionState_Unlocking)
6261 )
6262 {
6263 AssertReturn(!mData->mSession.mMachine.isNull(), false);
6264
6265 aMachine = mData->mSession.mMachine;
6266
6267 if (aControl != NULL)
6268 *aControl = mData->mSession.mDirectControl;
6269
6270#if defined(RT_OS_WINDOWS) || defined(RT_OS_OS2)
6271 /* Additional session data */
6272 if (aIPCSem != NULL)
6273 *aIPCSem = aMachine->mIPCSem;
6274#endif
6275 return true;
6276 }
6277
6278 return false;
6279}
6280
6281/**
6282 * Returns @c true if the given machine has an spawning direct session and
6283 * returns and additional session data (on some platforms) if so.
6284 *
6285 * Note that when the method returns @c false, the arguments remain unchanged.
6286 *
6287 * @param aPID PID of the spawned direct session process.
6288 *
6289 * @note locks this object for reading.
6290 */
6291#if defined(RT_OS_WINDOWS) || defined(RT_OS_OS2)
6292bool Machine::isSessionSpawning(RTPROCESS *aPID /*= NULL*/)
6293#else
6294bool Machine::isSessionSpawning()
6295#endif
6296{
6297 AutoLimitedCaller autoCaller(this);
6298 AssertComRCReturn(autoCaller.rc(), false);
6299
6300 /* just return false for inaccessible machines */
6301 if (autoCaller.state() != Ready)
6302 return false;
6303
6304 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
6305
6306 if (mData->mSession.mState == SessionState_Spawning)
6307 {
6308#if defined(RT_OS_WINDOWS) || defined(RT_OS_OS2)
6309 /* Additional session data */
6310 if (aPID != NULL)
6311 {
6312 AssertReturn(mData->mSession.mPid != NIL_RTPROCESS, false);
6313 *aPID = mData->mSession.mPid;
6314 }
6315#endif
6316 return true;
6317 }
6318
6319 return false;
6320}
6321
6322/**
6323 * Called from the client watcher thread to check for unexpected client process
6324 * death during Session_Spawning state (e.g. before it successfully opened a
6325 * direct session).
6326 *
6327 * On Win32 and on OS/2, this method is called only when we've got the
6328 * direct client's process termination notification, so it always returns @c
6329 * true.
6330 *
6331 * On other platforms, this method returns @c true if the client process is
6332 * terminated and @c false if it's still alive.
6333 *
6334 * @note Locks this object for writing.
6335 */
6336bool Machine::checkForSpawnFailure()
6337{
6338 AutoCaller autoCaller(this);
6339 if (!autoCaller.isOk())
6340 {
6341 /* nothing to do */
6342 LogFlowThisFunc(("Already uninitialized!\n"));
6343 return true;
6344 }
6345
6346 /* VirtualBox::addProcessToReap() needs a write lock */
6347 AutoMultiWriteLock2 alock(mParent, this COMMA_LOCKVAL_SRC_POS);
6348
6349 if (mData->mSession.mState != SessionState_Spawning)
6350 {
6351 /* nothing to do */
6352 LogFlowThisFunc(("Not spawning any more!\n"));
6353 return true;
6354 }
6355
6356 HRESULT rc = S_OK;
6357
6358#if defined(RT_OS_WINDOWS) || defined(RT_OS_OS2)
6359
6360 /* the process was already unexpectedly terminated, we just need to set an
6361 * error and finalize session spawning */
6362 rc = setError(E_FAIL,
6363 tr("The virtual machine '%s' has terminated unexpectedly during startup"),
6364 getName().c_str());
6365#else
6366
6367 /* PID not yet initialized, skip check. */
6368 if (mData->mSession.mPid == NIL_RTPROCESS)
6369 return false;
6370
6371 RTPROCSTATUS status;
6372 int vrc = ::RTProcWait(mData->mSession.mPid, RTPROCWAIT_FLAGS_NOBLOCK,
6373 &status);
6374
6375 if (vrc != VERR_PROCESS_RUNNING)
6376 {
6377 if (RT_SUCCESS(vrc) && status.enmReason == RTPROCEXITREASON_NORMAL)
6378 rc = setError(E_FAIL,
6379 tr("The virtual machine '%s' has terminated unexpectedly during startup with exit code %d"),
6380 getName().c_str(), status.iStatus);
6381 else if (RT_SUCCESS(vrc) && status.enmReason == RTPROCEXITREASON_SIGNAL)
6382 rc = setError(E_FAIL,
6383 tr("The virtual machine '%s' has terminated unexpectedly during startup because of signal %d"),
6384 getName().c_str(), status.iStatus);
6385 else if (RT_SUCCESS(vrc) && status.enmReason == RTPROCEXITREASON_ABEND)
6386 rc = setError(E_FAIL,
6387 tr("The virtual machine '%s' has terminated abnormally"),
6388 getName().c_str(), status.iStatus);
6389 else
6390 rc = setError(E_FAIL,
6391 tr("The virtual machine '%s' has terminated unexpectedly during startup (%Rrc)"),
6392 getName().c_str(), rc);
6393 }
6394
6395#endif
6396
6397 if (FAILED(rc))
6398 {
6399 /* Close the remote session, remove the remote control from the list
6400 * and reset session state to Closed (@note keep the code in sync with
6401 * the relevant part in checkForSpawnFailure()). */
6402
6403 Assert(mData->mSession.mRemoteControls.size() == 1);
6404 if (mData->mSession.mRemoteControls.size() == 1)
6405 {
6406 ErrorInfoKeeper eik;
6407 mData->mSession.mRemoteControls.front()->Uninitialize();
6408 }
6409
6410 mData->mSession.mRemoteControls.clear();
6411 mData->mSession.mState = SessionState_Unlocked;
6412
6413 /* finalize the progress after setting the state */
6414 if (!mData->mSession.mProgress.isNull())
6415 {
6416 mData->mSession.mProgress->notifyComplete(rc);
6417 mData->mSession.mProgress.setNull();
6418 }
6419
6420 mParent->addProcessToReap(mData->mSession.mPid);
6421 mData->mSession.mPid = NIL_RTPROCESS;
6422
6423 mParent->onSessionStateChange(mData->mUuid, SessionState_Unlocked);
6424 return true;
6425 }
6426
6427 return false;
6428}
6429
6430/**
6431 * Checks whether the machine can be registered. If so, commits and saves
6432 * all settings.
6433 *
6434 * @note Must be called from mParent's write lock. Locks this object and
6435 * children for writing.
6436 */
6437HRESULT Machine::prepareRegister()
6438{
6439 AssertReturn(mParent->isWriteLockOnCurrentThread(), E_FAIL);
6440
6441 AutoLimitedCaller autoCaller(this);
6442 AssertComRCReturnRC(autoCaller.rc());
6443
6444 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
6445
6446 /* wait for state dependents to drop to zero */
6447 ensureNoStateDependencies();
6448
6449 if (!mData->mAccessible)
6450 return setError(VBOX_E_INVALID_OBJECT_STATE,
6451 tr("The machine '%s' with UUID {%s} is inaccessible and cannot be registered"),
6452 mUserData->s.strName.c_str(),
6453 mData->mUuid.toString().c_str());
6454
6455 AssertReturn(autoCaller.state() == Ready, E_FAIL);
6456
6457 if (mData->mRegistered)
6458 return setError(VBOX_E_INVALID_OBJECT_STATE,
6459 tr("The machine '%s' with UUID {%s} is already registered"),
6460 mUserData->s.strName.c_str(),
6461 mData->mUuid.toString().c_str());
6462
6463 HRESULT rc = S_OK;
6464
6465 // Ensure the settings are saved. If we are going to be registered and
6466 // no config file exists yet, create it by calling saveSettings() too.
6467 if ( (mData->flModifications)
6468 || (!mData->pMachineConfigFile->fileExists())
6469 )
6470 {
6471 rc = saveSettings(NULL);
6472 // no need to check whether VirtualBox.xml needs saving too since
6473 // we can't have a machine XML file rename pending
6474 if (FAILED(rc)) return rc;
6475 }
6476
6477 /* more config checking goes here */
6478
6479 if (SUCCEEDED(rc))
6480 {
6481 /* we may have had implicit modifications we want to fix on success */
6482 commit();
6483
6484 mData->mRegistered = true;
6485 }
6486 else
6487 {
6488 /* we may have had implicit modifications we want to cancel on failure*/
6489 rollback(false /* aNotify */);
6490 }
6491
6492 return rc;
6493}
6494
6495/**
6496 * Increases the number of objects dependent on the machine state or on the
6497 * registered state. Guarantees that these two states will not change at least
6498 * until #releaseStateDependency() is called.
6499 *
6500 * Depending on the @a aDepType value, additional state checks may be made.
6501 * These checks will set extended error info on failure. See
6502 * #checkStateDependency() for more info.
6503 *
6504 * If this method returns a failure, the dependency is not added and the caller
6505 * is not allowed to rely on any particular machine state or registration state
6506 * value and may return the failed result code to the upper level.
6507 *
6508 * @param aDepType Dependency type to add.
6509 * @param aState Current machine state (NULL if not interested).
6510 * @param aRegistered Current registered state (NULL if not interested).
6511 *
6512 * @note Locks this object for writing.
6513 */
6514HRESULT Machine::addStateDependency(StateDependency aDepType /* = AnyStateDep */,
6515 MachineState_T *aState /* = NULL */,
6516 BOOL *aRegistered /* = NULL */)
6517{
6518 AutoCaller autoCaller(this);
6519 AssertComRCReturnRC(autoCaller.rc());
6520
6521 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
6522
6523 HRESULT rc = checkStateDependency(aDepType);
6524 if (FAILED(rc)) return rc;
6525
6526 {
6527 if (mData->mMachineStateChangePending != 0)
6528 {
6529 /* ensureNoStateDependencies() is waiting for state dependencies to
6530 * drop to zero so don't add more. It may make sense to wait a bit
6531 * and retry before reporting an error (since the pending state
6532 * transition should be really quick) but let's just assert for
6533 * now to see if it ever happens on practice. */
6534
6535 AssertFailed();
6536
6537 return setError(E_ACCESSDENIED,
6538 tr("Machine state change is in progress. Please retry the operation later."));
6539 }
6540
6541 ++mData->mMachineStateDeps;
6542 Assert(mData->mMachineStateDeps != 0 /* overflow */);
6543 }
6544
6545 if (aState)
6546 *aState = mData->mMachineState;
6547 if (aRegistered)
6548 *aRegistered = mData->mRegistered;
6549
6550 return S_OK;
6551}
6552
6553/**
6554 * Decreases the number of objects dependent on the machine state.
6555 * Must always complete the #addStateDependency() call after the state
6556 * dependency is no more necessary.
6557 */
6558void Machine::releaseStateDependency()
6559{
6560 AutoCaller autoCaller(this);
6561 AssertComRCReturnVoid(autoCaller.rc());
6562
6563 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
6564
6565 /* releaseStateDependency() w/o addStateDependency()? */
6566 AssertReturnVoid(mData->mMachineStateDeps != 0);
6567 -- mData->mMachineStateDeps;
6568
6569 if (mData->mMachineStateDeps == 0)
6570 {
6571 /* inform ensureNoStateDependencies() that there are no more deps */
6572 if (mData->mMachineStateChangePending != 0)
6573 {
6574 Assert(mData->mMachineStateDepsSem != NIL_RTSEMEVENTMULTI);
6575 RTSemEventMultiSignal (mData->mMachineStateDepsSem);
6576 }
6577 }
6578}
6579
6580// protected methods
6581/////////////////////////////////////////////////////////////////////////////
6582
6583/**
6584 * Performs machine state checks based on the @a aDepType value. If a check
6585 * fails, this method will set extended error info, otherwise it will return
6586 * S_OK. It is supposed, that on failure, the caller will immediately return
6587 * the return value of this method to the upper level.
6588 *
6589 * When @a aDepType is AnyStateDep, this method always returns S_OK.
6590 *
6591 * When @a aDepType is MutableStateDep, this method returns S_OK only if the
6592 * current state of this machine object allows to change settings of the
6593 * machine (i.e. the machine is not registered, or registered but not running
6594 * and not saved). It is useful to call this method from Machine setters
6595 * before performing any change.
6596 *
6597 * When @a aDepType is MutableOrSavedStateDep, this method behaves the same
6598 * as for MutableStateDep except that if the machine is saved, S_OK is also
6599 * returned. This is useful in setters which allow changing machine
6600 * properties when it is in the saved state.
6601 *
6602 * @param aDepType Dependency type to check.
6603 *
6604 * @note Non Machine based classes should use #addStateDependency() and
6605 * #releaseStateDependency() methods or the smart AutoStateDependency
6606 * template.
6607 *
6608 * @note This method must be called from under this object's read or write
6609 * lock.
6610 */
6611HRESULT Machine::checkStateDependency(StateDependency aDepType)
6612{
6613 switch (aDepType)
6614 {
6615 case AnyStateDep:
6616 {
6617 break;
6618 }
6619 case MutableStateDep:
6620 {
6621 if ( mData->mRegistered
6622 && ( !isSessionMachine() /** @todo This was just converted raw; Check if Running and Paused should actually be included here... (Live Migration) */
6623 || ( mData->mMachineState != MachineState_Paused
6624 && mData->mMachineState != MachineState_Running
6625 && mData->mMachineState != MachineState_Aborted
6626 && mData->mMachineState != MachineState_Teleported
6627 && mData->mMachineState != MachineState_PoweredOff
6628 )
6629 )
6630 )
6631 return setError(VBOX_E_INVALID_VM_STATE,
6632 tr("The machine is not mutable (state is %s)"),
6633 Global::stringifyMachineState(mData->mMachineState));
6634 break;
6635 }
6636 case MutableOrSavedStateDep:
6637 {
6638 if ( mData->mRegistered
6639 && ( !isSessionMachine() /** @todo This was just converted raw; Check if Running and Paused should actually be included here... (Live Migration) */
6640 || ( mData->mMachineState != MachineState_Paused
6641 && mData->mMachineState != MachineState_Running
6642 && mData->mMachineState != MachineState_Aborted
6643 && mData->mMachineState != MachineState_Teleported
6644 && mData->mMachineState != MachineState_Saved
6645 && mData->mMachineState != MachineState_PoweredOff
6646 )
6647 )
6648 )
6649 return setError(VBOX_E_INVALID_VM_STATE,
6650 tr("The machine is not mutable (state is %s)"),
6651 Global::stringifyMachineState(mData->mMachineState));
6652 break;
6653 }
6654 }
6655
6656 return S_OK;
6657}
6658
6659/**
6660 * Helper to initialize all associated child objects and allocate data
6661 * structures.
6662 *
6663 * This method must be called as a part of the object's initialization procedure
6664 * (usually done in the #init() method).
6665 *
6666 * @note Must be called only from #init() or from #registeredInit().
6667 */
6668HRESULT Machine::initDataAndChildObjects()
6669{
6670 AutoCaller autoCaller(this);
6671 AssertComRCReturnRC(autoCaller.rc());
6672 AssertComRCReturn(autoCaller.state() == InInit ||
6673 autoCaller.state() == Limited, E_FAIL);
6674
6675 AssertReturn(!mData->mAccessible, E_FAIL);
6676
6677 /* allocate data structures */
6678 mSSData.allocate();
6679 mUserData.allocate();
6680 mHWData.allocate();
6681 mMediaData.allocate();
6682 mStorageControllers.allocate();
6683
6684 /* initialize mOSTypeId */
6685 mUserData->s.strOsType = mParent->getUnknownOSType()->id();
6686
6687 /* create associated BIOS settings object */
6688 unconst(mBIOSSettings).createObject();
6689 mBIOSSettings->init(this);
6690
6691 /* create an associated VRDE object (default is disabled) */
6692 unconst(mVRDEServer).createObject();
6693 mVRDEServer->init(this);
6694
6695 /* create associated serial port objects */
6696 for (ULONG slot = 0; slot < RT_ELEMENTS(mSerialPorts); slot++)
6697 {
6698 unconst(mSerialPorts[slot]).createObject();
6699 mSerialPorts[slot]->init(this, slot);
6700 }
6701
6702 /* create associated parallel port objects */
6703 for (ULONG slot = 0; slot < RT_ELEMENTS(mParallelPorts); slot++)
6704 {
6705 unconst(mParallelPorts[slot]).createObject();
6706 mParallelPorts[slot]->init(this, slot);
6707 }
6708
6709 /* create the audio adapter object (always present, default is disabled) */
6710 unconst(mAudioAdapter).createObject();
6711 mAudioAdapter->init(this);
6712
6713 /* create the USB controller object (always present, default is disabled) */
6714 unconst(mUSBController).createObject();
6715 mUSBController->init(this);
6716
6717 /* create associated network adapter objects */
6718 for (ULONG slot = 0; slot < RT_ELEMENTS(mNetworkAdapters); slot ++)
6719 {
6720 unconst(mNetworkAdapters[slot]).createObject();
6721 mNetworkAdapters[slot]->init(this, slot);
6722 }
6723
6724 /* create the bandwidth control */
6725 unconst(mBandwidthControl).createObject();
6726 mBandwidthControl->init(this);
6727
6728 return S_OK;
6729}
6730
6731/**
6732 * Helper to uninitialize all associated child objects and to free all data
6733 * structures.
6734 *
6735 * This method must be called as a part of the object's uninitialization
6736 * procedure (usually done in the #uninit() method).
6737 *
6738 * @note Must be called only from #uninit() or from #registeredInit().
6739 */
6740void Machine::uninitDataAndChildObjects()
6741{
6742 AutoCaller autoCaller(this);
6743 AssertComRCReturnVoid(autoCaller.rc());
6744 AssertComRCReturnVoid( autoCaller.state() == InUninit
6745 || autoCaller.state() == Limited);
6746
6747 /* tell all our other child objects we've been uninitialized */
6748 if (mBandwidthControl)
6749 {
6750 mBandwidthControl->uninit();
6751 unconst(mBandwidthControl).setNull();
6752 }
6753
6754 for (ULONG slot = 0; slot < RT_ELEMENTS(mNetworkAdapters); slot++)
6755 {
6756 if (mNetworkAdapters[slot])
6757 {
6758 mNetworkAdapters[slot]->uninit();
6759 unconst(mNetworkAdapters[slot]).setNull();
6760 }
6761 }
6762
6763 if (mUSBController)
6764 {
6765 mUSBController->uninit();
6766 unconst(mUSBController).setNull();
6767 }
6768
6769 if (mAudioAdapter)
6770 {
6771 mAudioAdapter->uninit();
6772 unconst(mAudioAdapter).setNull();
6773 }
6774
6775 for (ULONG slot = 0; slot < RT_ELEMENTS(mParallelPorts); slot++)
6776 {
6777 if (mParallelPorts[slot])
6778 {
6779 mParallelPorts[slot]->uninit();
6780 unconst(mParallelPorts[slot]).setNull();
6781 }
6782 }
6783
6784 for (ULONG slot = 0; slot < RT_ELEMENTS(mSerialPorts); slot++)
6785 {
6786 if (mSerialPorts[slot])
6787 {
6788 mSerialPorts[slot]->uninit();
6789 unconst(mSerialPorts[slot]).setNull();
6790 }
6791 }
6792
6793 if (mVRDEServer)
6794 {
6795 mVRDEServer->uninit();
6796 unconst(mVRDEServer).setNull();
6797 }
6798
6799 if (mBIOSSettings)
6800 {
6801 mBIOSSettings->uninit();
6802 unconst(mBIOSSettings).setNull();
6803 }
6804
6805 /* Deassociate hard disks (only when a real Machine or a SnapshotMachine
6806 * instance is uninitialized; SessionMachine instances refer to real
6807 * Machine hard disks). This is necessary for a clean re-initialization of
6808 * the VM after successfully re-checking the accessibility state. Note
6809 * that in case of normal Machine or SnapshotMachine uninitialization (as
6810 * a result of unregistering or deleting the snapshot), outdated hard
6811 * disk attachments will already be uninitialized and deleted, so this
6812 * code will not affect them. */
6813 if ( !!mMediaData
6814 && (!isSessionMachine())
6815 )
6816 {
6817 for (MediaData::AttachmentList::const_iterator it = mMediaData->mAttachments.begin();
6818 it != mMediaData->mAttachments.end();
6819 ++it)
6820 {
6821 ComObjPtr<Medium> hd = (*it)->getMedium();
6822 if (hd.isNull())
6823 continue;
6824 HRESULT rc = hd->removeBackReference(mData->mUuid, getSnapshotId());
6825 AssertComRC(rc);
6826 }
6827 }
6828
6829 if (!isSessionMachine() && !isSnapshotMachine())
6830 {
6831 // clean up the snapshots list (Snapshot::uninit() will handle the snapshot's children recursively)
6832 if (mData->mFirstSnapshot)
6833 {
6834 // snapshots tree is protected by media write lock; strictly
6835 // this isn't necessary here since we're deleting the entire
6836 // machine, but otherwise we assert in Snapshot::uninit()
6837 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
6838 mData->mFirstSnapshot->uninit();
6839 mData->mFirstSnapshot.setNull();
6840 }
6841
6842 mData->mCurrentSnapshot.setNull();
6843 }
6844
6845 /* free data structures (the essential mData structure is not freed here
6846 * since it may be still in use) */
6847 mMediaData.free();
6848 mStorageControllers.free();
6849 mHWData.free();
6850 mUserData.free();
6851 mSSData.free();
6852}
6853
6854/**
6855 * Returns a pointer to the Machine object for this machine that acts like a
6856 * parent for complex machine data objects such as shared folders, etc.
6857 *
6858 * For primary Machine objects and for SnapshotMachine objects, returns this
6859 * object's pointer itself. For SessionMachine objects, returns the peer
6860 * (primary) machine pointer.
6861 */
6862Machine* Machine::getMachine()
6863{
6864 if (isSessionMachine())
6865 return (Machine*)mPeer;
6866 return this;
6867}
6868
6869/**
6870 * Makes sure that there are no machine state dependents. If necessary, waits
6871 * for the number of dependents to drop to zero.
6872 *
6873 * Make sure this method is called from under this object's write lock to
6874 * guarantee that no new dependents may be added when this method returns
6875 * control to the caller.
6876 *
6877 * @note Locks this object for writing. The lock will be released while waiting
6878 * (if necessary).
6879 *
6880 * @warning To be used only in methods that change the machine state!
6881 */
6882void Machine::ensureNoStateDependencies()
6883{
6884 AssertReturnVoid(isWriteLockOnCurrentThread());
6885
6886 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
6887
6888 /* Wait for all state dependents if necessary */
6889 if (mData->mMachineStateDeps != 0)
6890 {
6891 /* lazy semaphore creation */
6892 if (mData->mMachineStateDepsSem == NIL_RTSEMEVENTMULTI)
6893 RTSemEventMultiCreate(&mData->mMachineStateDepsSem);
6894
6895 LogFlowThisFunc(("Waiting for state deps (%d) to drop to zero...\n",
6896 mData->mMachineStateDeps));
6897
6898 ++mData->mMachineStateChangePending;
6899
6900 /* reset the semaphore before waiting, the last dependent will signal
6901 * it */
6902 RTSemEventMultiReset(mData->mMachineStateDepsSem);
6903
6904 alock.leave();
6905
6906 RTSemEventMultiWait(mData->mMachineStateDepsSem, RT_INDEFINITE_WAIT);
6907
6908 alock.enter();
6909
6910 -- mData->mMachineStateChangePending;
6911 }
6912}
6913
6914/**
6915 * Changes the machine state and informs callbacks.
6916 *
6917 * This method is not intended to fail so it either returns S_OK or asserts (and
6918 * returns a failure).
6919 *
6920 * @note Locks this object for writing.
6921 */
6922HRESULT Machine::setMachineState(MachineState_T aMachineState)
6923{
6924 LogFlowThisFuncEnter();
6925 LogFlowThisFunc(("aMachineState=%s\n", Global::stringifyMachineState(aMachineState) ));
6926
6927 AutoCaller autoCaller(this);
6928 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
6929
6930 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
6931
6932 /* wait for state dependents to drop to zero */
6933 ensureNoStateDependencies();
6934
6935 if (mData->mMachineState != aMachineState)
6936 {
6937 mData->mMachineState = aMachineState;
6938
6939 RTTimeNow(&mData->mLastStateChange);
6940
6941 mParent->onMachineStateChange(mData->mUuid, aMachineState);
6942 }
6943
6944 LogFlowThisFuncLeave();
6945 return S_OK;
6946}
6947
6948/**
6949 * Searches for a shared folder with the given logical name
6950 * in the collection of shared folders.
6951 *
6952 * @param aName logical name of the shared folder
6953 * @param aSharedFolder where to return the found object
6954 * @param aSetError whether to set the error info if the folder is
6955 * not found
6956 * @return
6957 * S_OK when found or VBOX_E_OBJECT_NOT_FOUND when not found
6958 *
6959 * @note
6960 * must be called from under the object's lock!
6961 */
6962HRESULT Machine::findSharedFolder(CBSTR aName,
6963 ComObjPtr<SharedFolder> &aSharedFolder,
6964 bool aSetError /* = false */)
6965{
6966 bool found = false;
6967 for (HWData::SharedFolderList::const_iterator it = mHWData->mSharedFolders.begin();
6968 !found && it != mHWData->mSharedFolders.end();
6969 ++it)
6970 {
6971 AutoWriteLock alock(*it COMMA_LOCKVAL_SRC_POS);
6972 found = (*it)->getName() == aName;
6973 if (found)
6974 aSharedFolder = *it;
6975 }
6976
6977 HRESULT rc = found ? S_OK : VBOX_E_OBJECT_NOT_FOUND;
6978
6979 if (aSetError && !found)
6980 setError(rc, tr("Could not find a shared folder named '%ls'"), aName);
6981
6982 return rc;
6983}
6984
6985/**
6986 * Initializes all machine instance data from the given settings structures
6987 * from XML. The exception is the machine UUID which needs special handling
6988 * depending on the caller's use case, so the caller needs to set that herself.
6989 *
6990 * This gets called in several contexts during machine initialization:
6991 *
6992 * -- When machine XML exists on disk already and needs to be loaded into memory,
6993 * for example, from registeredInit() to load all registered machines on
6994 * VirtualBox startup. In this case, puuidRegistry is NULL because the media
6995 * attached to the machine should be part of some media registry already.
6996 *
6997 * -- During OVF import, when a machine config has been constructed from an
6998 * OVF file. In this case, puuidRegistry is set to the machine UUID to
6999 * ensure that the media listed as attachments in the config (which have
7000 * been imported from the OVF) receive the correct registry ID.
7001 *
7002 * @param config Machine settings from XML.
7003 * @param puuidRegistry If != NULL, Medium::setRegistryIdIfFirst() gets called with this registry ID for each attached medium in the config.
7004 * @return
7005 */
7006HRESULT Machine::loadMachineDataFromSettings(const settings::MachineConfigFile &config,
7007 const Guid *puuidRegistry)
7008{
7009 // copy name, description, OS type, teleporter, UTC etc.
7010 mUserData->s = config.machineUserData;
7011
7012 // look up the object by Id to check it is valid
7013 ComPtr<IGuestOSType> guestOSType;
7014 HRESULT rc = mParent->GetGuestOSType(Bstr(mUserData->s.strOsType).raw(),
7015 guestOSType.asOutParam());
7016 if (FAILED(rc)) return rc;
7017
7018 // stateFile (optional)
7019 if (config.strStateFile.isEmpty())
7020 mSSData->mStateFilePath.setNull();
7021 else
7022 {
7023 Utf8Str stateFilePathFull(config.strStateFile);
7024 int vrc = calculateFullPath(stateFilePathFull, stateFilePathFull);
7025 if (RT_FAILURE(vrc))
7026 return setError(E_FAIL,
7027 tr("Invalid saved state file path '%s' (%Rrc)"),
7028 config.strStateFile.c_str(),
7029 vrc);
7030 mSSData->mStateFilePath = stateFilePathFull;
7031 }
7032
7033 // snapshot folder needs special processing so set it again
7034 rc = COMSETTER(SnapshotFolder)(Bstr(config.machineUserData.strSnapshotFolder).raw());
7035 if (FAILED(rc)) return rc;
7036
7037 /* currentStateModified (optional, default is true) */
7038 mData->mCurrentStateModified = config.fCurrentStateModified;
7039
7040 mData->mLastStateChange = config.timeLastStateChange;
7041
7042 /*
7043 * note: all mUserData members must be assigned prior this point because
7044 * we need to commit changes in order to let mUserData be shared by all
7045 * snapshot machine instances.
7046 */
7047 mUserData.commitCopy();
7048
7049 // machine registry, if present (must be loaded before snapshots)
7050 if (config.canHaveOwnMediaRegistry())
7051 {
7052 // determine machine folder
7053 Utf8Str strMachineFolder = getSettingsFileFull();
7054 strMachineFolder.stripFilename();
7055 rc = mParent->initMedia(getId(), // media registry ID == machine UUID
7056 config.mediaRegistry,
7057 strMachineFolder);
7058 if (FAILED(rc)) return rc;
7059 }
7060
7061 /* Snapshot node (optional) */
7062 size_t cRootSnapshots;
7063 if ((cRootSnapshots = config.llFirstSnapshot.size()))
7064 {
7065 // there must be only one root snapshot
7066 Assert(cRootSnapshots == 1);
7067
7068 const settings::Snapshot &snap = config.llFirstSnapshot.front();
7069
7070 rc = loadSnapshot(snap,
7071 config.uuidCurrentSnapshot,
7072 NULL); // no parent == first snapshot
7073 if (FAILED(rc)) return rc;
7074 }
7075
7076 // hardware data
7077 rc = loadHardware(config.hardwareMachine);
7078 if (FAILED(rc)) return rc;
7079
7080 // load storage controllers
7081 rc = loadStorageControllers(config.storageMachine,
7082 puuidRegistry,
7083 NULL /* puuidSnapshot */);
7084 if (FAILED(rc)) return rc;
7085
7086 /*
7087 * NOTE: the assignment below must be the last thing to do,
7088 * otherwise it will be not possible to change the settings
7089 * somewhere in the code above because all setters will be
7090 * blocked by checkStateDependency(MutableStateDep).
7091 */
7092
7093 /* set the machine state to Aborted or Saved when appropriate */
7094 if (config.fAborted)
7095 {
7096 Assert(!mSSData->mStateFilePath.isEmpty());
7097 mSSData->mStateFilePath.setNull();
7098
7099 /* no need to use setMachineState() during init() */
7100 mData->mMachineState = MachineState_Aborted;
7101 }
7102 else if (!mSSData->mStateFilePath.isEmpty())
7103 {
7104 /* no need to use setMachineState() during init() */
7105 mData->mMachineState = MachineState_Saved;
7106 }
7107
7108 // after loading settings, we are no longer different from the XML on disk
7109 mData->flModifications = 0;
7110
7111 return S_OK;
7112}
7113
7114/**
7115 * Recursively loads all snapshots starting from the given.
7116 *
7117 * @param aNode <Snapshot> node.
7118 * @param aCurSnapshotId Current snapshot ID from the settings file.
7119 * @param aParentSnapshot Parent snapshot.
7120 */
7121HRESULT Machine::loadSnapshot(const settings::Snapshot &data,
7122 const Guid &aCurSnapshotId,
7123 Snapshot *aParentSnapshot)
7124{
7125 AssertReturn(!isSnapshotMachine(), E_FAIL);
7126 AssertReturn(!isSessionMachine(), E_FAIL);
7127
7128 HRESULT rc = S_OK;
7129
7130 Utf8Str strStateFile;
7131 if (!data.strStateFile.isEmpty())
7132 {
7133 /* optional */
7134 strStateFile = data.strStateFile;
7135 int vrc = calculateFullPath(strStateFile, strStateFile);
7136 if (RT_FAILURE(vrc))
7137 return setError(E_FAIL,
7138 tr("Invalid saved state file path '%s' (%Rrc)"),
7139 strStateFile.c_str(),
7140 vrc);
7141 }
7142
7143 /* create a snapshot machine object */
7144 ComObjPtr<SnapshotMachine> pSnapshotMachine;
7145 pSnapshotMachine.createObject();
7146 rc = pSnapshotMachine->init(this,
7147 data.hardware,
7148 data.storage,
7149 data.uuid.ref(),
7150 strStateFile);
7151 if (FAILED(rc)) return rc;
7152
7153 /* create a snapshot object */
7154 ComObjPtr<Snapshot> pSnapshot;
7155 pSnapshot.createObject();
7156 /* initialize the snapshot */
7157 rc = pSnapshot->init(mParent, // VirtualBox object
7158 data.uuid,
7159 data.strName,
7160 data.strDescription,
7161 data.timestamp,
7162 pSnapshotMachine,
7163 aParentSnapshot);
7164 if (FAILED(rc)) return rc;
7165
7166 /* memorize the first snapshot if necessary */
7167 if (!mData->mFirstSnapshot)
7168 mData->mFirstSnapshot = pSnapshot;
7169
7170 /* memorize the current snapshot when appropriate */
7171 if ( !mData->mCurrentSnapshot
7172 && pSnapshot->getId() == aCurSnapshotId
7173 )
7174 mData->mCurrentSnapshot = pSnapshot;
7175
7176 // now create the children
7177 for (settings::SnapshotsList::const_iterator it = data.llChildSnapshots.begin();
7178 it != data.llChildSnapshots.end();
7179 ++it)
7180 {
7181 const settings::Snapshot &childData = *it;
7182 // recurse
7183 rc = loadSnapshot(childData,
7184 aCurSnapshotId,
7185 pSnapshot); // parent = the one we created above
7186 if (FAILED(rc)) return rc;
7187 }
7188
7189 return rc;
7190}
7191
7192/**
7193 * @param aNode <Hardware> node.
7194 */
7195HRESULT Machine::loadHardware(const settings::Hardware &data)
7196{
7197 AssertReturn(!isSessionMachine(), E_FAIL);
7198
7199 HRESULT rc = S_OK;
7200
7201 try
7202 {
7203 /* The hardware version attribute (optional). */
7204 mHWData->mHWVersion = data.strVersion;
7205 mHWData->mHardwareUUID = data.uuid;
7206
7207 mHWData->mHWVirtExEnabled = data.fHardwareVirt;
7208 mHWData->mHWVirtExExclusive = data.fHardwareVirtExclusive;
7209 mHWData->mHWVirtExNestedPagingEnabled = data.fNestedPaging;
7210 mHWData->mHWVirtExLargePagesEnabled = data.fLargePages;
7211 mHWData->mHWVirtExVPIDEnabled = data.fVPID;
7212 mHWData->mHWVirtExForceEnabled = data.fHardwareVirtForce;
7213 mHWData->mPAEEnabled = data.fPAE;
7214 mHWData->mSyntheticCpu = data.fSyntheticCpu;
7215
7216 mHWData->mCPUCount = data.cCPUs;
7217 mHWData->mCPUHotPlugEnabled = data.fCpuHotPlug;
7218 mHWData->mCpuExecutionCap = data.ulCpuExecutionCap;
7219
7220 // cpu
7221 if (mHWData->mCPUHotPlugEnabled)
7222 {
7223 for (settings::CpuList::const_iterator it = data.llCpus.begin();
7224 it != data.llCpus.end();
7225 ++it)
7226 {
7227 const settings::Cpu &cpu = *it;
7228
7229 mHWData->mCPUAttached[cpu.ulId] = true;
7230 }
7231 }
7232
7233 // cpuid leafs
7234 for (settings::CpuIdLeafsList::const_iterator it = data.llCpuIdLeafs.begin();
7235 it != data.llCpuIdLeafs.end();
7236 ++it)
7237 {
7238 const settings::CpuIdLeaf &leaf = *it;
7239
7240 switch (leaf.ulId)
7241 {
7242 case 0x0:
7243 case 0x1:
7244 case 0x2:
7245 case 0x3:
7246 case 0x4:
7247 case 0x5:
7248 case 0x6:
7249 case 0x7:
7250 case 0x8:
7251 case 0x9:
7252 case 0xA:
7253 mHWData->mCpuIdStdLeafs[leaf.ulId] = leaf;
7254 break;
7255
7256 case 0x80000000:
7257 case 0x80000001:
7258 case 0x80000002:
7259 case 0x80000003:
7260 case 0x80000004:
7261 case 0x80000005:
7262 case 0x80000006:
7263 case 0x80000007:
7264 case 0x80000008:
7265 case 0x80000009:
7266 case 0x8000000A:
7267 mHWData->mCpuIdExtLeafs[leaf.ulId - 0x80000000] = leaf;
7268 break;
7269
7270 default:
7271 /* just ignore */
7272 break;
7273 }
7274 }
7275
7276 mHWData->mMemorySize = data.ulMemorySizeMB;
7277 mHWData->mPageFusionEnabled = data.fPageFusionEnabled;
7278
7279 // boot order
7280 for (size_t i = 0;
7281 i < RT_ELEMENTS(mHWData->mBootOrder);
7282 i++)
7283 {
7284 settings::BootOrderMap::const_iterator it = data.mapBootOrder.find(i);
7285 if (it == data.mapBootOrder.end())
7286 mHWData->mBootOrder[i] = DeviceType_Null;
7287 else
7288 mHWData->mBootOrder[i] = it->second;
7289 }
7290
7291 mHWData->mVRAMSize = data.ulVRAMSizeMB;
7292 mHWData->mMonitorCount = data.cMonitors;
7293 mHWData->mAccelerate3DEnabled = data.fAccelerate3D;
7294 mHWData->mAccelerate2DVideoEnabled = data.fAccelerate2DVideo;
7295 mHWData->mFirmwareType = data.firmwareType;
7296 mHWData->mPointingHidType = data.pointingHidType;
7297 mHWData->mKeyboardHidType = data.keyboardHidType;
7298 mHWData->mChipsetType = data.chipsetType;
7299 mHWData->mHpetEnabled = data.fHpetEnabled;
7300
7301 /* VRDEServer */
7302 rc = mVRDEServer->loadSettings(data.vrdeSettings);
7303 if (FAILED(rc)) return rc;
7304
7305 /* BIOS */
7306 rc = mBIOSSettings->loadSettings(data.biosSettings);
7307 if (FAILED(rc)) return rc;
7308
7309 /* USB Controller */
7310 rc = mUSBController->loadSettings(data.usbController);
7311 if (FAILED(rc)) return rc;
7312
7313 // network adapters
7314 for (settings::NetworkAdaptersList::const_iterator it = data.llNetworkAdapters.begin();
7315 it != data.llNetworkAdapters.end();
7316 ++it)
7317 {
7318 const settings::NetworkAdapter &nic = *it;
7319
7320 /* slot unicity is guaranteed by XML Schema */
7321 AssertBreak(nic.ulSlot < RT_ELEMENTS(mNetworkAdapters));
7322 rc = mNetworkAdapters[nic.ulSlot]->loadSettings(nic);
7323 if (FAILED(rc)) return rc;
7324 }
7325
7326 // serial ports
7327 for (settings::SerialPortsList::const_iterator it = data.llSerialPorts.begin();
7328 it != data.llSerialPorts.end();
7329 ++it)
7330 {
7331 const settings::SerialPort &s = *it;
7332
7333 AssertBreak(s.ulSlot < RT_ELEMENTS(mSerialPorts));
7334 rc = mSerialPorts[s.ulSlot]->loadSettings(s);
7335 if (FAILED(rc)) return rc;
7336 }
7337
7338 // parallel ports (optional)
7339 for (settings::ParallelPortsList::const_iterator it = data.llParallelPorts.begin();
7340 it != data.llParallelPorts.end();
7341 ++it)
7342 {
7343 const settings::ParallelPort &p = *it;
7344
7345 AssertBreak(p.ulSlot < RT_ELEMENTS(mParallelPorts));
7346 rc = mParallelPorts[p.ulSlot]->loadSettings(p);
7347 if (FAILED(rc)) return rc;
7348 }
7349
7350 /* AudioAdapter */
7351 rc = mAudioAdapter->loadSettings(data.audioAdapter);
7352 if (FAILED(rc)) return rc;
7353
7354 for (settings::SharedFoldersList::const_iterator it = data.llSharedFolders.begin();
7355 it != data.llSharedFolders.end();
7356 ++it)
7357 {
7358 const settings::SharedFolder &sf = *it;
7359 rc = CreateSharedFolder(Bstr(sf.strName).raw(),
7360 Bstr(sf.strHostPath).raw(),
7361 sf.fWritable, sf.fAutoMount);
7362 if (FAILED(rc)) return rc;
7363 }
7364
7365 // Clipboard
7366 mHWData->mClipboardMode = data.clipboardMode;
7367
7368 // guest settings
7369 mHWData->mMemoryBalloonSize = data.ulMemoryBalloonSize;
7370
7371 // IO settings
7372 mHWData->mIoCacheEnabled = data.ioSettings.fIoCacheEnabled;
7373 mHWData->mIoCacheSize = data.ioSettings.ulIoCacheSize;
7374
7375 // Bandwidth control
7376 rc = mBandwidthControl->loadSettings(data.ioSettings);
7377 if (FAILED(rc)) return rc;
7378
7379#ifdef VBOX_WITH_GUEST_PROPS
7380 /* Guest properties (optional) */
7381 for (settings::GuestPropertiesList::const_iterator it = data.llGuestProperties.begin();
7382 it != data.llGuestProperties.end();
7383 ++it)
7384 {
7385 const settings::GuestProperty &prop = *it;
7386 uint32_t fFlags = guestProp::NILFLAG;
7387 guestProp::validateFlags(prop.strFlags.c_str(), &fFlags);
7388 HWData::GuestProperty property = { prop.strName, prop.strValue, prop.timestamp, fFlags };
7389 mHWData->mGuestProperties.push_back(property);
7390 }
7391
7392 mHWData->mGuestPropertyNotificationPatterns = data.strNotificationPatterns;
7393#endif /* VBOX_WITH_GUEST_PROPS defined */
7394 }
7395 catch(std::bad_alloc &)
7396 {
7397 return E_OUTOFMEMORY;
7398 }
7399
7400 AssertComRC(rc);
7401 return rc;
7402}
7403
7404/**
7405 * Called from loadMachineDataFromSettings() for the storage controller data, including media.
7406 *
7407 * @param data
7408 * @param puuidRegistry media registry ID to set media to or NULL; see Machine::loadMachineDataFromSettings()
7409 * @param puuidSnapshot
7410 * @return
7411 */
7412HRESULT Machine::loadStorageControllers(const settings::Storage &data,
7413 const Guid *puuidRegistry,
7414 const Guid *puuidSnapshot)
7415{
7416 AssertReturn(!isSessionMachine(), E_FAIL);
7417
7418 HRESULT rc = S_OK;
7419
7420 for (settings::StorageControllersList::const_iterator it = data.llStorageControllers.begin();
7421 it != data.llStorageControllers.end();
7422 ++it)
7423 {
7424 const settings::StorageController &ctlData = *it;
7425
7426 ComObjPtr<StorageController> pCtl;
7427 /* Try to find one with the name first. */
7428 rc = getStorageControllerByName(ctlData.strName, pCtl, false /* aSetError */);
7429 if (SUCCEEDED(rc))
7430 return setError(VBOX_E_OBJECT_IN_USE,
7431 tr("Storage controller named '%s' already exists"),
7432 ctlData.strName.c_str());
7433
7434 pCtl.createObject();
7435 rc = pCtl->init(this,
7436 ctlData.strName,
7437 ctlData.storageBus,
7438 ctlData.ulInstance,
7439 ctlData.fBootable);
7440 if (FAILED(rc)) return rc;
7441
7442 mStorageControllers->push_back(pCtl);
7443
7444 rc = pCtl->COMSETTER(ControllerType)(ctlData.controllerType);
7445 if (FAILED(rc)) return rc;
7446
7447 rc = pCtl->COMSETTER(PortCount)(ctlData.ulPortCount);
7448 if (FAILED(rc)) return rc;
7449
7450 rc = pCtl->COMSETTER(UseHostIOCache)(ctlData.fUseHostIOCache);
7451 if (FAILED(rc)) return rc;
7452
7453 /* Set IDE emulation settings (only for AHCI controller). */
7454 if (ctlData.controllerType == StorageControllerType_IntelAhci)
7455 {
7456 if ( (FAILED(rc = pCtl->SetIDEEmulationPort(0, ctlData.lIDE0MasterEmulationPort)))
7457 || (FAILED(rc = pCtl->SetIDEEmulationPort(1, ctlData.lIDE0SlaveEmulationPort)))
7458 || (FAILED(rc = pCtl->SetIDEEmulationPort(2, ctlData.lIDE1MasterEmulationPort)))
7459 || (FAILED(rc = pCtl->SetIDEEmulationPort(3, ctlData.lIDE1SlaveEmulationPort)))
7460 )
7461 return rc;
7462 }
7463
7464 /* Load the attached devices now. */
7465 rc = loadStorageDevices(pCtl,
7466 ctlData,
7467 puuidRegistry,
7468 puuidSnapshot);
7469 if (FAILED(rc)) return rc;
7470 }
7471
7472 return S_OK;
7473}
7474
7475/**
7476 * Called from loadStorageControllers for a controller's devices.
7477 *
7478 * @param aStorageController
7479 * @param data
7480 * @param puuidRegistry media registry ID to set media to or NULL; see Machine::loadMachineDataFromSettings()
7481 * @param aSnapshotId pointer to the snapshot ID if this is a snapshot machine
7482 * @return
7483 */
7484HRESULT Machine::loadStorageDevices(StorageController *aStorageController,
7485 const settings::StorageController &data,
7486 const Guid *puuidRegistry,
7487 const Guid *puuidSnapshot)
7488{
7489 HRESULT rc = S_OK;
7490
7491 /* paranoia: detect duplicate attachments */
7492 for (settings::AttachedDevicesList::const_iterator it = data.llAttachedDevices.begin();
7493 it != data.llAttachedDevices.end();
7494 ++it)
7495 {
7496 const settings::AttachedDevice &ad = *it;
7497
7498 for (settings::AttachedDevicesList::const_iterator it2 = it;
7499 it2 != data.llAttachedDevices.end();
7500 ++it2)
7501 {
7502 if (it == it2)
7503 continue;
7504
7505 const settings::AttachedDevice &ad2 = *it2;
7506
7507 if ( ad.lPort == ad2.lPort
7508 && ad.lDevice == ad2.lDevice)
7509 {
7510 return setError(E_FAIL,
7511 tr("Duplicate attachments for storage controller '%s', port %d, device %d of the virtual machine '%s'"),
7512 aStorageController->getName().c_str(),
7513 ad.lPort,
7514 ad.lDevice,
7515 mUserData->s.strName.c_str());
7516 }
7517 }
7518 }
7519
7520 for (settings::AttachedDevicesList::const_iterator it = data.llAttachedDevices.begin();
7521 it != data.llAttachedDevices.end();
7522 ++it)
7523 {
7524 const settings::AttachedDevice &dev = *it;
7525 ComObjPtr<Medium> medium;
7526
7527 switch (dev.deviceType)
7528 {
7529 case DeviceType_Floppy:
7530 case DeviceType_DVD:
7531 rc = mParent->findRemoveableMedium(dev.deviceType, dev.uuid, false /* fRefresh */, medium);
7532 if (FAILED(rc))
7533 return rc;
7534 break;
7535
7536 case DeviceType_HardDisk:
7537 {
7538 /* find a hard disk by UUID */
7539 rc = mParent->findHardDiskById(dev.uuid, true /* aDoSetError */, &medium);
7540 if (FAILED(rc))
7541 {
7542 if (isSnapshotMachine())
7543 {
7544 // wrap another error message around the "cannot find hard disk" set by findHardDisk
7545 // so the user knows that the bad disk is in a snapshot somewhere
7546 com::ErrorInfo info;
7547 return setError(E_FAIL,
7548 tr("A differencing image of snapshot {%RTuuid} could not be found. %ls"),
7549 puuidSnapshot->raw(),
7550 info.getText().raw());
7551 }
7552 else
7553 return rc;
7554 }
7555
7556 AutoWriteLock hdLock(medium COMMA_LOCKVAL_SRC_POS);
7557
7558 if (medium->getType() == MediumType_Immutable)
7559 {
7560 if (isSnapshotMachine())
7561 return setError(E_FAIL,
7562 tr("Immutable hard disk '%s' with UUID {%RTuuid} cannot be directly attached to snapshot with UUID {%RTuuid} "
7563 "of the virtual machine '%s' ('%s')"),
7564 medium->getLocationFull().c_str(),
7565 dev.uuid.raw(),
7566 puuidSnapshot->raw(),
7567 mUserData->s.strName.c_str(),
7568 mData->m_strConfigFileFull.c_str());
7569
7570 return setError(E_FAIL,
7571 tr("Immutable hard disk '%s' with UUID {%RTuuid} cannot be directly attached to the virtual machine '%s' ('%s')"),
7572 medium->getLocationFull().c_str(),
7573 dev.uuid.raw(),
7574 mUserData->s.strName.c_str(),
7575 mData->m_strConfigFileFull.c_str());
7576 }
7577
7578 if (medium->getType() == MediumType_MultiAttach)
7579 {
7580 if (isSnapshotMachine())
7581 return setError(E_FAIL,
7582 tr("Multi-attach hard disk '%s' with UUID {%RTuuid} cannot be directly attached to snapshot with UUID {%RTuuid} "
7583 "of the virtual machine '%s' ('%s')"),
7584 medium->getLocationFull().c_str(),
7585 dev.uuid.raw(),
7586 puuidSnapshot->raw(),
7587 mUserData->s.strName.c_str(),
7588 mData->m_strConfigFileFull.c_str());
7589
7590 return setError(E_FAIL,
7591 tr("Multi-attach hard disk '%s' with UUID {%RTuuid} cannot be directly attached to the virtual machine '%s' ('%s')"),
7592 medium->getLocationFull().c_str(),
7593 dev.uuid.raw(),
7594 mUserData->s.strName.c_str(),
7595 mData->m_strConfigFileFull.c_str());
7596 }
7597
7598 if ( !isSnapshotMachine()
7599 && medium->getChildren().size() != 0
7600 )
7601 return setError(E_FAIL,
7602 tr("Hard disk '%s' with UUID {%RTuuid} cannot be directly attached to the virtual machine '%s' ('%s') "
7603 "because it has %d differencing child hard disks"),
7604 medium->getLocationFull().c_str(),
7605 dev.uuid.raw(),
7606 mUserData->s.strName.c_str(),
7607 mData->m_strConfigFileFull.c_str(),
7608 medium->getChildren().size());
7609
7610 if (findAttachment(mMediaData->mAttachments,
7611 medium))
7612 return setError(E_FAIL,
7613 tr("Hard disk '%s' with UUID {%RTuuid} is already attached to the virtual machine '%s' ('%s')"),
7614 medium->getLocationFull().c_str(),
7615 dev.uuid.raw(),
7616 mUserData->s.strName.c_str(),
7617 mData->m_strConfigFileFull.c_str());
7618
7619 break;
7620 }
7621
7622 default:
7623 return setError(E_FAIL,
7624 tr("Device '%s' with unknown type is attached to the virtual machine '%s' ('%s')"),
7625 medium->getLocationFull().c_str(),
7626 mUserData->s.strName.c_str(),
7627 mData->m_strConfigFileFull.c_str());
7628 }
7629
7630 if (FAILED(rc))
7631 break;
7632
7633 /* Bandwidth groups are loaded at this point. */
7634 ComObjPtr<BandwidthGroup> pBwGroup;
7635
7636 if (!dev.strBwGroup.isEmpty())
7637 {
7638 rc = mBandwidthControl->getBandwidthGroupByName(dev.strBwGroup, pBwGroup, false /* aSetError */);
7639 if (FAILED(rc))
7640 return setError(E_FAIL,
7641 tr("Device '%s' with unknown bandwidth group '%s' is attached to the virtual machine '%s' ('%s')"),
7642 medium->getLocationFull().c_str(),
7643 dev.strBwGroup.c_str(),
7644 mUserData->s.strName.c_str(),
7645 mData->m_strConfigFileFull.c_str());
7646 }
7647
7648 const Bstr controllerName = aStorageController->getName();
7649 ComObjPtr<MediumAttachment> pAttachment;
7650 pAttachment.createObject();
7651 rc = pAttachment->init(this,
7652 medium,
7653 controllerName,
7654 dev.lPort,
7655 dev.lDevice,
7656 dev.deviceType,
7657 dev.fPassThrough,
7658 pBwGroup);
7659 if (FAILED(rc)) break;
7660
7661 /* associate the medium with this machine and snapshot */
7662 if (!medium.isNull())
7663 {
7664 if (isSnapshotMachine())
7665 rc = medium->addBackReference(mData->mUuid, *puuidSnapshot);
7666 else
7667 rc = medium->addBackReference(mData->mUuid);
7668
7669 if (puuidRegistry)
7670 // caller wants registry ID to be set on all attached media (OVF import case)
7671 medium->addRegistry(*puuidRegistry);
7672 }
7673
7674 if (FAILED(rc))
7675 break;
7676
7677 /* back up mMediaData to let registeredInit() properly rollback on failure
7678 * (= limited accessibility) */
7679 setModified(IsModified_Storage);
7680 mMediaData.backup();
7681 mMediaData->mAttachments.push_back(pAttachment);
7682 }
7683
7684 return rc;
7685}
7686
7687/**
7688 * Returns the snapshot with the given UUID or fails of no such snapshot exists.
7689 *
7690 * @param aId snapshot UUID to find (empty UUID refers the first snapshot)
7691 * @param aSnapshot where to return the found snapshot
7692 * @param aSetError true to set extended error info on failure
7693 */
7694HRESULT Machine::findSnapshotById(const Guid &aId,
7695 ComObjPtr<Snapshot> &aSnapshot,
7696 bool aSetError /* = false */)
7697{
7698 AutoReadLock chlock(this COMMA_LOCKVAL_SRC_POS);
7699
7700 if (!mData->mFirstSnapshot)
7701 {
7702 if (aSetError)
7703 return setError(E_FAIL, tr("This machine does not have any snapshots"));
7704 return E_FAIL;
7705 }
7706
7707 if (aId.isEmpty())
7708 aSnapshot = mData->mFirstSnapshot;
7709 else
7710 aSnapshot = mData->mFirstSnapshot->findChildOrSelf(aId.ref());
7711
7712 if (!aSnapshot)
7713 {
7714 if (aSetError)
7715 return setError(E_FAIL,
7716 tr("Could not find a snapshot with UUID {%s}"),
7717 aId.toString().c_str());
7718 return E_FAIL;
7719 }
7720
7721 return S_OK;
7722}
7723
7724/**
7725 * Returns the snapshot with the given name or fails of no such snapshot.
7726 *
7727 * @param aName snapshot name to find
7728 * @param aSnapshot where to return the found snapshot
7729 * @param aSetError true to set extended error info on failure
7730 */
7731HRESULT Machine::findSnapshotByName(const Utf8Str &strName,
7732 ComObjPtr<Snapshot> &aSnapshot,
7733 bool aSetError /* = false */)
7734{
7735 AssertReturn(!strName.isEmpty(), E_INVALIDARG);
7736
7737 AutoReadLock chlock(this COMMA_LOCKVAL_SRC_POS);
7738
7739 if (!mData->mFirstSnapshot)
7740 {
7741 if (aSetError)
7742 return setError(VBOX_E_OBJECT_NOT_FOUND,
7743 tr("This machine does not have any snapshots"));
7744 return VBOX_E_OBJECT_NOT_FOUND;
7745 }
7746
7747 aSnapshot = mData->mFirstSnapshot->findChildOrSelf(strName);
7748
7749 if (!aSnapshot)
7750 {
7751 if (aSetError)
7752 return setError(VBOX_E_OBJECT_NOT_FOUND,
7753 tr("Could not find a snapshot named '%s'"), strName.c_str());
7754 return VBOX_E_OBJECT_NOT_FOUND;
7755 }
7756
7757 return S_OK;
7758}
7759
7760/**
7761 * Returns a storage controller object with the given name.
7762 *
7763 * @param aName storage controller name to find
7764 * @param aStorageController where to return the found storage controller
7765 * @param aSetError true to set extended error info on failure
7766 */
7767HRESULT Machine::getStorageControllerByName(const Utf8Str &aName,
7768 ComObjPtr<StorageController> &aStorageController,
7769 bool aSetError /* = false */)
7770{
7771 AssertReturn(!aName.isEmpty(), E_INVALIDARG);
7772
7773 for (StorageControllerList::const_iterator it = mStorageControllers->begin();
7774 it != mStorageControllers->end();
7775 ++it)
7776 {
7777 if ((*it)->getName() == aName)
7778 {
7779 aStorageController = (*it);
7780 return S_OK;
7781 }
7782 }
7783
7784 if (aSetError)
7785 return setError(VBOX_E_OBJECT_NOT_FOUND,
7786 tr("Could not find a storage controller named '%s'"),
7787 aName.c_str());
7788 return VBOX_E_OBJECT_NOT_FOUND;
7789}
7790
7791HRESULT Machine::getMediumAttachmentsOfController(CBSTR aName,
7792 MediaData::AttachmentList &atts)
7793{
7794 AutoCaller autoCaller(this);
7795 if (FAILED(autoCaller.rc())) return autoCaller.rc();
7796
7797 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
7798
7799 for (MediaData::AttachmentList::iterator it = mMediaData->mAttachments.begin();
7800 it != mMediaData->mAttachments.end();
7801 ++it)
7802 {
7803 const ComObjPtr<MediumAttachment> &pAtt = *it;
7804
7805 // should never happen, but deal with NULL pointers in the list.
7806 AssertStmt(!pAtt.isNull(), continue);
7807
7808 // getControllerName() needs caller+read lock
7809 AutoCaller autoAttCaller(pAtt);
7810 if (FAILED(autoAttCaller.rc()))
7811 {
7812 atts.clear();
7813 return autoAttCaller.rc();
7814 }
7815 AutoReadLock attLock(pAtt COMMA_LOCKVAL_SRC_POS);
7816
7817 if (pAtt->getControllerName() == aName)
7818 atts.push_back(pAtt);
7819 }
7820
7821 return S_OK;
7822}
7823
7824/**
7825 * Helper for #saveSettings. Cares about renaming the settings directory and
7826 * file if the machine name was changed and about creating a new settings file
7827 * if this is a new machine.
7828 *
7829 * @note Must be never called directly but only from #saveSettings().
7830 */
7831HRESULT Machine::prepareSaveSettings(bool *pfNeedsGlobalSaveSettings)
7832{
7833 AssertReturn(isWriteLockOnCurrentThread(), E_FAIL);
7834
7835 HRESULT rc = S_OK;
7836
7837 bool fSettingsFileIsNew = !mData->pMachineConfigFile->fileExists();
7838
7839 /* attempt to rename the settings file if machine name is changed */
7840 if ( mUserData->s.fNameSync
7841 && mUserData.isBackedUp()
7842 && mUserData.backedUpData()->s.strName != mUserData->s.strName
7843 )
7844 {
7845 bool dirRenamed = false;
7846 bool fileRenamed = false;
7847
7848 Utf8Str configFile, newConfigFile;
7849 Utf8Str configDir, newConfigDir;
7850
7851 do
7852 {
7853 int vrc = VINF_SUCCESS;
7854
7855 Utf8Str name = mUserData.backedUpData()->s.strName;
7856 Utf8Str newName = mUserData->s.strName;
7857
7858 configFile = mData->m_strConfigFileFull;
7859
7860 /* first, rename the directory if it matches the machine name */
7861 configDir = configFile;
7862 configDir.stripFilename();
7863 newConfigDir = configDir;
7864 if (!strcmp(RTPathFilename(configDir.c_str()), name.c_str()))
7865 {
7866 newConfigDir.stripFilename();
7867 newConfigDir.append(RTPATH_DELIMITER);
7868 newConfigDir.append(newName);
7869 /* new dir and old dir cannot be equal here because of 'if'
7870 * above and because name != newName */
7871 Assert(configDir != newConfigDir);
7872 if (!fSettingsFileIsNew)
7873 {
7874 /* perform real rename only if the machine is not new */
7875 vrc = RTPathRename(configDir.c_str(), newConfigDir.c_str(), 0);
7876 if (RT_FAILURE(vrc))
7877 {
7878 rc = setError(E_FAIL,
7879 tr("Could not rename the directory '%s' to '%s' to save the settings file (%Rrc)"),
7880 configDir.c_str(),
7881 newConfigDir.c_str(),
7882 vrc);
7883 break;
7884 }
7885 dirRenamed = true;
7886 }
7887 }
7888
7889 newConfigFile = Utf8StrFmt("%s%c%s.vbox",
7890 newConfigDir.c_str(), RTPATH_DELIMITER, newName.c_str());
7891
7892 /* then try to rename the settings file itself */
7893 if (newConfigFile != configFile)
7894 {
7895 /* get the path to old settings file in renamed directory */
7896 configFile = Utf8StrFmt("%s%c%s",
7897 newConfigDir.c_str(),
7898 RTPATH_DELIMITER,
7899 RTPathFilename(configFile.c_str()));
7900 if (!fSettingsFileIsNew)
7901 {
7902 /* perform real rename only if the machine is not new */
7903 vrc = RTFileRename(configFile.c_str(), newConfigFile.c_str(), 0);
7904 if (RT_FAILURE(vrc))
7905 {
7906 rc = setError(E_FAIL,
7907 tr("Could not rename the settings file '%s' to '%s' (%Rrc)"),
7908 configFile.c_str(),
7909 newConfigFile.c_str(),
7910 vrc);
7911 break;
7912 }
7913 fileRenamed = true;
7914 }
7915 }
7916
7917 // update m_strConfigFileFull amd mConfigFile
7918 mData->m_strConfigFileFull = newConfigFile;
7919 // compute the relative path too
7920 mParent->copyPathRelativeToConfig(newConfigFile, mData->m_strConfigFile);
7921
7922 // store the old and new so that VirtualBox::saveSettings() can update
7923 // the media registry
7924 if ( mData->mRegistered
7925 && configDir != newConfigDir)
7926 {
7927 mParent->rememberMachineNameChangeForMedia(configDir, newConfigDir);
7928
7929 if (pfNeedsGlobalSaveSettings)
7930 *pfNeedsGlobalSaveSettings = true;
7931 }
7932
7933 /* update the saved state file path */
7934 Utf8Str path = mSSData->mStateFilePath;
7935 if (RTPathStartsWith(path.c_str(), configDir.c_str()))
7936 mSSData->mStateFilePath = Utf8StrFmt("%s%s",
7937 newConfigDir.c_str(),
7938 path.c_str() + configDir.length());
7939
7940 /* Update saved state file paths of all online snapshots.
7941 * Note that saveSettings() will recognize name change
7942 * and will save all snapshots in this case. */
7943 if (mData->mFirstSnapshot)
7944 mData->mFirstSnapshot->updateSavedStatePaths(configDir.c_str(),
7945 newConfigDir.c_str());
7946 }
7947 while (0);
7948
7949 if (FAILED(rc))
7950 {
7951 /* silently try to rename everything back */
7952 if (fileRenamed)
7953 RTFileRename(newConfigFile.c_str(), configFile.c_str(), 0);
7954 if (dirRenamed)
7955 RTPathRename(newConfigDir.c_str(), configDir.c_str(), 0);
7956 }
7957
7958 if (FAILED(rc)) return rc;
7959 }
7960
7961 if (fSettingsFileIsNew)
7962 {
7963 /* create a virgin config file */
7964 int vrc = VINF_SUCCESS;
7965
7966 /* ensure the settings directory exists */
7967 Utf8Str path(mData->m_strConfigFileFull);
7968 path.stripFilename();
7969 if (!RTDirExists(path.c_str()))
7970 {
7971 vrc = RTDirCreateFullPath(path.c_str(), 0777);
7972 if (RT_FAILURE(vrc))
7973 {
7974 return setError(E_FAIL,
7975 tr("Could not create a directory '%s' to save the settings file (%Rrc)"),
7976 path.c_str(),
7977 vrc);
7978 }
7979 }
7980
7981 /* Note: open flags must correlate with RTFileOpen() in lockConfig() */
7982 path = Utf8Str(mData->m_strConfigFileFull);
7983 RTFILE f = NIL_RTFILE;
7984 vrc = RTFileOpen(&f, path.c_str(),
7985 RTFILE_O_READWRITE | RTFILE_O_CREATE | RTFILE_O_DENY_WRITE);
7986 if (RT_FAILURE(vrc))
7987 return setError(E_FAIL,
7988 tr("Could not create the settings file '%s' (%Rrc)"),
7989 path.c_str(),
7990 vrc);
7991 RTFileClose(f);
7992 }
7993
7994 return rc;
7995}
7996
7997/**
7998 * Saves and commits machine data, user data and hardware data.
7999 *
8000 * Note that on failure, the data remains uncommitted.
8001 *
8002 * @a aFlags may combine the following flags:
8003 *
8004 * - SaveS_ResetCurStateModified: Resets mData->mCurrentStateModified to FALSE.
8005 * Used when saving settings after an operation that makes them 100%
8006 * correspond to the settings from the current snapshot.
8007 * - SaveS_InformCallbacksAnyway: Callbacks will be informed even if
8008 * #isReallyModified() returns false. This is necessary for cases when we
8009 * change machine data directly, not through the backup()/commit() mechanism.
8010 * - SaveS_Force: settings will be saved without doing a deep compare of the
8011 * settings structures. This is used when this is called because snapshots
8012 * have changed to avoid the overhead of the deep compare.
8013 *
8014 * @note Must be called from under this object's write lock. Locks children for
8015 * writing.
8016 *
8017 * @param pfNeedsGlobalSaveSettings Optional pointer to a bool that must have been
8018 * initialized to false and that will be set to true by this function if
8019 * the caller must invoke VirtualBox::saveSettings() because the global
8020 * settings have changed. This will happen if a machine rename has been
8021 * saved and the global machine and media registries will therefore need
8022 * updating.
8023 */
8024HRESULT Machine::saveSettings(bool *pfNeedsGlobalSaveSettings,
8025 int aFlags /*= 0*/)
8026{
8027 LogFlowThisFuncEnter();
8028
8029 AssertReturn(isWriteLockOnCurrentThread(), E_FAIL);
8030
8031 /* make sure child objects are unable to modify the settings while we are
8032 * saving them */
8033 ensureNoStateDependencies();
8034
8035 AssertReturn(!isSnapshotMachine(),
8036 E_FAIL);
8037
8038 HRESULT rc = S_OK;
8039 bool fNeedsWrite = false;
8040
8041 /* First, prepare to save settings. It will care about renaming the
8042 * settings directory and file if the machine name was changed and about
8043 * creating a new settings file if this is a new machine. */
8044 rc = prepareSaveSettings(pfNeedsGlobalSaveSettings);
8045 if (FAILED(rc)) return rc;
8046
8047 // keep a pointer to the current settings structures
8048 settings::MachineConfigFile *pOldConfig = mData->pMachineConfigFile;
8049 settings::MachineConfigFile *pNewConfig = NULL;
8050
8051 try
8052 {
8053 // make a fresh one to have everyone write stuff into
8054 pNewConfig = new settings::MachineConfigFile(NULL);
8055 pNewConfig->copyBaseFrom(*mData->pMachineConfigFile);
8056
8057 // now go and copy all the settings data from COM to the settings structures
8058 // (this calles saveSettings() on all the COM objects in the machine)
8059 copyMachineDataToSettings(*pNewConfig);
8060
8061 if (aFlags & SaveS_ResetCurStateModified)
8062 {
8063 // this gets set by takeSnapshot() (if offline snapshot) and restoreSnapshot()
8064 mData->mCurrentStateModified = FALSE;
8065 fNeedsWrite = true; // always, no need to compare
8066 }
8067 else if (aFlags & SaveS_Force)
8068 {
8069 fNeedsWrite = true; // always, no need to compare
8070 }
8071 else
8072 {
8073 if (!mData->mCurrentStateModified)
8074 {
8075 // do a deep compare of the settings that we just saved with the settings
8076 // previously stored in the config file; this invokes MachineConfigFile::operator==
8077 // which does a deep compare of all the settings, which is expensive but less expensive
8078 // than writing out XML in vain
8079 bool fAnySettingsChanged = (*pNewConfig == *pOldConfig);
8080
8081 // could still be modified if any settings changed
8082 mData->mCurrentStateModified = fAnySettingsChanged;
8083
8084 fNeedsWrite = fAnySettingsChanged;
8085 }
8086 else
8087 fNeedsWrite = true;
8088 }
8089
8090 pNewConfig->fCurrentStateModified = !!mData->mCurrentStateModified;
8091
8092 if (fNeedsWrite)
8093 // now spit it all out!
8094 pNewConfig->write(mData->m_strConfigFileFull);
8095
8096 mData->pMachineConfigFile = pNewConfig;
8097 delete pOldConfig;
8098 commit();
8099
8100 // after saving settings, we are no longer different from the XML on disk
8101 mData->flModifications = 0;
8102 }
8103 catch (HRESULT err)
8104 {
8105 // we assume that error info is set by the thrower
8106 rc = err;
8107
8108 // restore old config
8109 delete pNewConfig;
8110 mData->pMachineConfigFile = pOldConfig;
8111 }
8112 catch (...)
8113 {
8114 rc = VirtualBox::handleUnexpectedExceptions(RT_SRC_POS);
8115 }
8116
8117 if (fNeedsWrite || (aFlags & SaveS_InformCallbacksAnyway))
8118 {
8119 /* Fire the data change event, even on failure (since we've already
8120 * committed all data). This is done only for SessionMachines because
8121 * mutable Machine instances are always not registered (i.e. private
8122 * to the client process that creates them) and thus don't need to
8123 * inform callbacks. */
8124 if (isSessionMachine())
8125 mParent->onMachineDataChange(mData->mUuid);
8126 }
8127
8128 LogFlowThisFunc(("rc=%08X\n", rc));
8129 LogFlowThisFuncLeave();
8130 return rc;
8131}
8132
8133/**
8134 * Implementation for saving the machine settings into the given
8135 * settings::MachineConfigFile instance. This copies machine extradata
8136 * from the previous machine config file in the instance data, if any.
8137 *
8138 * This gets called from two locations:
8139 *
8140 * -- Machine::saveSettings(), during the regular XML writing;
8141 *
8142 * -- Appliance::buildXMLForOneVirtualSystem(), when a machine gets
8143 * exported to OVF and we write the VirtualBox proprietary XML
8144 * into a <vbox:Machine> tag.
8145 *
8146 * This routine fills all the fields in there, including snapshots, *except*
8147 * for the following:
8148 *
8149 * -- fCurrentStateModified. There is some special logic associated with that.
8150 *
8151 * The caller can then call MachineConfigFile::write() or do something else
8152 * with it.
8153 *
8154 * Caller must hold the machine lock!
8155 *
8156 * This throws XML errors and HRESULT, so the caller must have a catch block!
8157 */
8158void Machine::copyMachineDataToSettings(settings::MachineConfigFile &config)
8159{
8160 // deep copy extradata
8161 config.mapExtraDataItems = mData->pMachineConfigFile->mapExtraDataItems;
8162
8163 config.uuid = mData->mUuid;
8164
8165 // copy name, description, OS type, teleport, UTC etc.
8166 config.machineUserData = mUserData->s;
8167
8168 if ( mData->mMachineState == MachineState_Saved
8169 || mData->mMachineState == MachineState_Restoring
8170 // when deleting a snapshot we may or may not have a saved state in the current state,
8171 // so let's not assert here please
8172 || ( ( mData->mMachineState == MachineState_DeletingSnapshot
8173 || mData->mMachineState == MachineState_DeletingSnapshotOnline
8174 || mData->mMachineState == MachineState_DeletingSnapshotPaused)
8175 && (!mSSData->mStateFilePath.isEmpty())
8176 )
8177 )
8178 {
8179 Assert(!mSSData->mStateFilePath.isEmpty());
8180 /* try to make the file name relative to the settings file dir */
8181 copyPathRelativeToMachine(mSSData->mStateFilePath, config.strStateFile);
8182 }
8183 else
8184 {
8185 Assert(mSSData->mStateFilePath.isEmpty());
8186 config.strStateFile.setNull();
8187 }
8188
8189 if (mData->mCurrentSnapshot)
8190 config.uuidCurrentSnapshot = mData->mCurrentSnapshot->getId();
8191 else
8192 config.uuidCurrentSnapshot.clear();
8193
8194 config.timeLastStateChange = mData->mLastStateChange;
8195 config.fAborted = (mData->mMachineState == MachineState_Aborted);
8196 /// @todo Live Migration: config.fTeleported = (mData->mMachineState == MachineState_Teleported);
8197
8198 HRESULT rc = saveHardware(config.hardwareMachine);
8199 if (FAILED(rc)) throw rc;
8200
8201 rc = saveStorageControllers(config.storageMachine);
8202 if (FAILED(rc)) throw rc;
8203
8204 // save machine's media registry if this is VirtualBox 4.0 or later
8205 if (config.canHaveOwnMediaRegistry())
8206 {
8207 // determine machine folder
8208 Utf8Str strMachineFolder = getSettingsFileFull();
8209 strMachineFolder.stripFilename();
8210 mParent->saveMediaRegistry(config.mediaRegistry,
8211 getId(), // only media with registry ID == machine UUID
8212 strMachineFolder);
8213 // this throws HRESULT
8214 }
8215
8216 // save snapshots
8217 rc = saveAllSnapshots(config);
8218 if (FAILED(rc)) throw rc;
8219}
8220
8221/**
8222 * Saves all snapshots of the machine into the given machine config file. Called
8223 * from Machine::buildMachineXML() and SessionMachine::deleteSnapshotHandler().
8224 * @param config
8225 * @return
8226 */
8227HRESULT Machine::saveAllSnapshots(settings::MachineConfigFile &config)
8228{
8229 AssertReturn(isWriteLockOnCurrentThread(), E_FAIL);
8230
8231 HRESULT rc = S_OK;
8232
8233 try
8234 {
8235 config.llFirstSnapshot.clear();
8236
8237 if (mData->mFirstSnapshot)
8238 {
8239 settings::Snapshot snapNew;
8240 config.llFirstSnapshot.push_back(snapNew);
8241
8242 // get reference to the fresh copy of the snapshot on the list and
8243 // work on that copy directly to avoid excessive copying later
8244 settings::Snapshot &snap = config.llFirstSnapshot.front();
8245
8246 rc = mData->mFirstSnapshot->saveSnapshot(snap, false /*aAttrsOnly*/);
8247 if (FAILED(rc)) throw rc;
8248 }
8249
8250// if (mType == IsSessionMachine)
8251// mParent->onMachineDataChange(mData->mUuid); @todo is this necessary?
8252
8253 }
8254 catch (HRESULT err)
8255 {
8256 /* we assume that error info is set by the thrower */
8257 rc = err;
8258 }
8259 catch (...)
8260 {
8261 rc = VirtualBox::handleUnexpectedExceptions(RT_SRC_POS);
8262 }
8263
8264 return rc;
8265}
8266
8267/**
8268 * Saves the VM hardware configuration. It is assumed that the
8269 * given node is empty.
8270 *
8271 * @param aNode <Hardware> node to save the VM hardware configuration to.
8272 */
8273HRESULT Machine::saveHardware(settings::Hardware &data)
8274{
8275 HRESULT rc = S_OK;
8276
8277 try
8278 {
8279 /* The hardware version attribute (optional).
8280 Automatically upgrade from 1 to 2 when there is no saved state. (ugly!) */
8281 if ( mHWData->mHWVersion == "1"
8282 && mSSData->mStateFilePath.isEmpty()
8283 )
8284 mHWData->mHWVersion = "2"; /** @todo Is this safe, to update mHWVersion here? If not some other point needs to be found where this can be done. */
8285
8286 data.strVersion = mHWData->mHWVersion;
8287 data.uuid = mHWData->mHardwareUUID;
8288
8289 // CPU
8290 data.fHardwareVirt = !!mHWData->mHWVirtExEnabled;
8291 data.fHardwareVirtExclusive = !!mHWData->mHWVirtExExclusive;
8292 data.fNestedPaging = !!mHWData->mHWVirtExNestedPagingEnabled;
8293 data.fLargePages = !!mHWData->mHWVirtExLargePagesEnabled;
8294 data.fVPID = !!mHWData->mHWVirtExVPIDEnabled;
8295 data.fHardwareVirtForce = !!mHWData->mHWVirtExForceEnabled;
8296 data.fPAE = !!mHWData->mPAEEnabled;
8297 data.fSyntheticCpu = !!mHWData->mSyntheticCpu;
8298
8299 /* Standard and Extended CPUID leafs. */
8300 data.llCpuIdLeafs.clear();
8301 for (unsigned idx = 0; idx < RT_ELEMENTS(mHWData->mCpuIdStdLeafs); idx++)
8302 {
8303 if (mHWData->mCpuIdStdLeafs[idx].ulId != UINT32_MAX)
8304 data.llCpuIdLeafs.push_back(mHWData->mCpuIdStdLeafs[idx]);
8305 }
8306 for (unsigned idx = 0; idx < RT_ELEMENTS(mHWData->mCpuIdExtLeafs); idx++)
8307 {
8308 if (mHWData->mCpuIdExtLeafs[idx].ulId != UINT32_MAX)
8309 data.llCpuIdLeafs.push_back(mHWData->mCpuIdExtLeafs[idx]);
8310 }
8311
8312 data.cCPUs = mHWData->mCPUCount;
8313 data.fCpuHotPlug = !!mHWData->mCPUHotPlugEnabled;
8314 data.ulCpuExecutionCap = mHWData->mCpuExecutionCap;
8315
8316 data.llCpus.clear();
8317 if (data.fCpuHotPlug)
8318 {
8319 for (unsigned idx = 0; idx < data.cCPUs; idx++)
8320 {
8321 if (mHWData->mCPUAttached[idx])
8322 {
8323 settings::Cpu cpu;
8324 cpu.ulId = idx;
8325 data.llCpus.push_back(cpu);
8326 }
8327 }
8328 }
8329
8330 // memory
8331 data.ulMemorySizeMB = mHWData->mMemorySize;
8332 data.fPageFusionEnabled = !!mHWData->mPageFusionEnabled;
8333
8334 // firmware
8335 data.firmwareType = mHWData->mFirmwareType;
8336
8337 // HID
8338 data.pointingHidType = mHWData->mPointingHidType;
8339 data.keyboardHidType = mHWData->mKeyboardHidType;
8340
8341 // chipset
8342 data.chipsetType = mHWData->mChipsetType;
8343
8344 // HPET
8345 data.fHpetEnabled = !!mHWData->mHpetEnabled;
8346
8347 // boot order
8348 data.mapBootOrder.clear();
8349 for (size_t i = 0;
8350 i < RT_ELEMENTS(mHWData->mBootOrder);
8351 ++i)
8352 data.mapBootOrder[i] = mHWData->mBootOrder[i];
8353
8354 // display
8355 data.ulVRAMSizeMB = mHWData->mVRAMSize;
8356 data.cMonitors = mHWData->mMonitorCount;
8357 data.fAccelerate3D = !!mHWData->mAccelerate3DEnabled;
8358 data.fAccelerate2DVideo = !!mHWData->mAccelerate2DVideoEnabled;
8359
8360 /* VRDEServer settings (optional) */
8361 rc = mVRDEServer->saveSettings(data.vrdeSettings);
8362 if (FAILED(rc)) throw rc;
8363
8364 /* BIOS (required) */
8365 rc = mBIOSSettings->saveSettings(data.biosSettings);
8366 if (FAILED(rc)) throw rc;
8367
8368 /* USB Controller (required) */
8369 rc = mUSBController->saveSettings(data.usbController);
8370 if (FAILED(rc)) throw rc;
8371
8372 /* Network adapters (required) */
8373 data.llNetworkAdapters.clear();
8374 for (ULONG slot = 0;
8375 slot < RT_ELEMENTS(mNetworkAdapters);
8376 ++slot)
8377 {
8378 settings::NetworkAdapter nic;
8379 nic.ulSlot = slot;
8380 rc = mNetworkAdapters[slot]->saveSettings(nic);
8381 if (FAILED(rc)) throw rc;
8382
8383 data.llNetworkAdapters.push_back(nic);
8384 }
8385
8386 /* Serial ports */
8387 data.llSerialPorts.clear();
8388 for (ULONG slot = 0;
8389 slot < RT_ELEMENTS(mSerialPorts);
8390 ++slot)
8391 {
8392 settings::SerialPort s;
8393 s.ulSlot = slot;
8394 rc = mSerialPorts[slot]->saveSettings(s);
8395 if (FAILED(rc)) return rc;
8396
8397 data.llSerialPorts.push_back(s);
8398 }
8399
8400 /* Parallel ports */
8401 data.llParallelPorts.clear();
8402 for (ULONG slot = 0;
8403 slot < RT_ELEMENTS(mParallelPorts);
8404 ++slot)
8405 {
8406 settings::ParallelPort p;
8407 p.ulSlot = slot;
8408 rc = mParallelPorts[slot]->saveSettings(p);
8409 if (FAILED(rc)) return rc;
8410
8411 data.llParallelPorts.push_back(p);
8412 }
8413
8414 /* Audio adapter */
8415 rc = mAudioAdapter->saveSettings(data.audioAdapter);
8416 if (FAILED(rc)) return rc;
8417
8418 /* Shared folders */
8419 data.llSharedFolders.clear();
8420 for (HWData::SharedFolderList::const_iterator it = mHWData->mSharedFolders.begin();
8421 it != mHWData->mSharedFolders.end();
8422 ++it)
8423 {
8424 ComObjPtr<SharedFolder> pFolder = *it;
8425 settings::SharedFolder sf;
8426 sf.strName = pFolder->getName();
8427 sf.strHostPath = pFolder->getHostPath();
8428 sf.fWritable = !!pFolder->isWritable();
8429 sf.fAutoMount = !!pFolder->isAutoMounted();
8430
8431 data.llSharedFolders.push_back(sf);
8432 }
8433
8434 // clipboard
8435 data.clipboardMode = mHWData->mClipboardMode;
8436
8437 /* Guest */
8438 data.ulMemoryBalloonSize = mHWData->mMemoryBalloonSize;
8439
8440 // IO settings
8441 data.ioSettings.fIoCacheEnabled = !!mHWData->mIoCacheEnabled;
8442 data.ioSettings.ulIoCacheSize = mHWData->mIoCacheSize;
8443
8444 /* BandwidthControl (required) */
8445 rc = mBandwidthControl->saveSettings(data.ioSettings);
8446 if (FAILED(rc)) throw rc;
8447
8448 // guest properties
8449 data.llGuestProperties.clear();
8450#ifdef VBOX_WITH_GUEST_PROPS
8451 for (HWData::GuestPropertyList::const_iterator it = mHWData->mGuestProperties.begin();
8452 it != mHWData->mGuestProperties.end();
8453 ++it)
8454 {
8455 HWData::GuestProperty property = *it;
8456
8457 /* Remove transient guest properties at shutdown unless we
8458 * are saving state */
8459 if ( ( mData->mMachineState == MachineState_PoweredOff
8460 || mData->mMachineState == MachineState_Aborted
8461 || mData->mMachineState == MachineState_Teleported)
8462 && property.mFlags & guestProp::TRANSIENT)
8463 continue;
8464 settings::GuestProperty prop;
8465 prop.strName = property.strName;
8466 prop.strValue = property.strValue;
8467 prop.timestamp = property.mTimestamp;
8468 char szFlags[guestProp::MAX_FLAGS_LEN + 1];
8469 guestProp::writeFlags(property.mFlags, szFlags);
8470 prop.strFlags = szFlags;
8471
8472 data.llGuestProperties.push_back(prop);
8473 }
8474
8475 data.strNotificationPatterns = mHWData->mGuestPropertyNotificationPatterns;
8476 /* I presume this doesn't require a backup(). */
8477 mData->mGuestPropertiesModified = FALSE;
8478#endif /* VBOX_WITH_GUEST_PROPS defined */
8479 }
8480 catch(std::bad_alloc &)
8481 {
8482 return E_OUTOFMEMORY;
8483 }
8484
8485 AssertComRC(rc);
8486 return rc;
8487}
8488
8489/**
8490 * Saves the storage controller configuration.
8491 *
8492 * @param aNode <StorageControllers> node to save the VM hardware configuration to.
8493 */
8494HRESULT Machine::saveStorageControllers(settings::Storage &data)
8495{
8496 data.llStorageControllers.clear();
8497
8498 for (StorageControllerList::const_iterator it = mStorageControllers->begin();
8499 it != mStorageControllers->end();
8500 ++it)
8501 {
8502 HRESULT rc;
8503 ComObjPtr<StorageController> pCtl = *it;
8504
8505 settings::StorageController ctl;
8506 ctl.strName = pCtl->getName();
8507 ctl.controllerType = pCtl->getControllerType();
8508 ctl.storageBus = pCtl->getStorageBus();
8509 ctl.ulInstance = pCtl->getInstance();
8510 ctl.fBootable = pCtl->getBootable();
8511
8512 /* Save the port count. */
8513 ULONG portCount;
8514 rc = pCtl->COMGETTER(PortCount)(&portCount);
8515 ComAssertComRCRet(rc, rc);
8516 ctl.ulPortCount = portCount;
8517
8518 /* Save fUseHostIOCache */
8519 BOOL fUseHostIOCache;
8520 rc = pCtl->COMGETTER(UseHostIOCache)(&fUseHostIOCache);
8521 ComAssertComRCRet(rc, rc);
8522 ctl.fUseHostIOCache = !!fUseHostIOCache;
8523
8524 /* Save IDE emulation settings. */
8525 if (ctl.controllerType == StorageControllerType_IntelAhci)
8526 {
8527 if ( (FAILED(rc = pCtl->GetIDEEmulationPort(0, (LONG*)&ctl.lIDE0MasterEmulationPort)))
8528 || (FAILED(rc = pCtl->GetIDEEmulationPort(1, (LONG*)&ctl.lIDE0SlaveEmulationPort)))
8529 || (FAILED(rc = pCtl->GetIDEEmulationPort(2, (LONG*)&ctl.lIDE1MasterEmulationPort)))
8530 || (FAILED(rc = pCtl->GetIDEEmulationPort(3, (LONG*)&ctl.lIDE1SlaveEmulationPort)))
8531 )
8532 ComAssertComRCRet(rc, rc);
8533 }
8534
8535 /* save the devices now. */
8536 rc = saveStorageDevices(pCtl, ctl);
8537 ComAssertComRCRet(rc, rc);
8538
8539 data.llStorageControllers.push_back(ctl);
8540 }
8541
8542 return S_OK;
8543}
8544
8545/**
8546 * Saves the hard disk configuration.
8547 */
8548HRESULT Machine::saveStorageDevices(ComObjPtr<StorageController> aStorageController,
8549 settings::StorageController &data)
8550{
8551 MediaData::AttachmentList atts;
8552
8553 HRESULT rc = getMediumAttachmentsOfController(Bstr(aStorageController->getName()).raw(), atts);
8554 if (FAILED(rc)) return rc;
8555
8556 data.llAttachedDevices.clear();
8557 for (MediaData::AttachmentList::const_iterator it = atts.begin();
8558 it != atts.end();
8559 ++it)
8560 {
8561 settings::AttachedDevice dev;
8562
8563 MediumAttachment *pAttach = *it;
8564 Medium *pMedium = pAttach->getMedium();
8565 BandwidthGroup *pBwGroup = pAttach->getBandwidthGroup();
8566
8567 dev.deviceType = pAttach->getType();
8568 dev.lPort = pAttach->getPort();
8569 dev.lDevice = pAttach->getDevice();
8570 if (pMedium)
8571 {
8572 if (pMedium->isHostDrive())
8573 dev.strHostDriveSrc = pMedium->getLocationFull();
8574 else
8575 dev.uuid = pMedium->getId();
8576 dev.fPassThrough = pAttach->getPassthrough();
8577 }
8578
8579 if (pBwGroup)
8580 {
8581 dev.strBwGroup = pBwGroup->getName();
8582 }
8583
8584 data.llAttachedDevices.push_back(dev);
8585 }
8586
8587 return S_OK;
8588}
8589
8590/**
8591 * Saves machine state settings as defined by aFlags
8592 * (SaveSTS_* values).
8593 *
8594 * @param aFlags Combination of SaveSTS_* flags.
8595 *
8596 * @note Locks objects for writing.
8597 */
8598HRESULT Machine::saveStateSettings(int aFlags)
8599{
8600 if (aFlags == 0)
8601 return S_OK;
8602
8603 AutoCaller autoCaller(this);
8604 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
8605
8606 /* This object's write lock is also necessary to serialize file access
8607 * (prevent concurrent reads and writes) */
8608 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
8609
8610 HRESULT rc = S_OK;
8611
8612 Assert(mData->pMachineConfigFile);
8613
8614 try
8615 {
8616 if (aFlags & SaveSTS_CurStateModified)
8617 mData->pMachineConfigFile->fCurrentStateModified = true;
8618
8619 if (aFlags & SaveSTS_StateFilePath)
8620 {
8621 if (!mSSData->mStateFilePath.isEmpty())
8622 /* try to make the file name relative to the settings file dir */
8623 copyPathRelativeToMachine(mSSData->mStateFilePath, mData->pMachineConfigFile->strStateFile);
8624 else
8625 mData->pMachineConfigFile->strStateFile.setNull();
8626 }
8627
8628 if (aFlags & SaveSTS_StateTimeStamp)
8629 {
8630 Assert( mData->mMachineState != MachineState_Aborted
8631 || mSSData->mStateFilePath.isEmpty());
8632
8633 mData->pMachineConfigFile->timeLastStateChange = mData->mLastStateChange;
8634
8635 mData->pMachineConfigFile->fAborted = (mData->mMachineState == MachineState_Aborted);
8636//@todo live migration mData->pMachineConfigFile->fTeleported = (mData->mMachineState == MachineState_Teleported);
8637 }
8638
8639 mData->pMachineConfigFile->write(mData->m_strConfigFileFull);
8640 }
8641 catch (...)
8642 {
8643 rc = VirtualBox::handleUnexpectedExceptions(RT_SRC_POS);
8644 }
8645
8646 return rc;
8647}
8648
8649/**
8650 * Creates differencing hard disks for all normal hard disks attached to this
8651 * machine and a new set of attachments to refer to created disks.
8652 *
8653 * Used when taking a snapshot or when deleting the current state. Gets called
8654 * from SessionMachine::BeginTakingSnapshot() and SessionMachine::restoreSnapshotHandler().
8655 *
8656 * This method assumes that mMediaData contains the original hard disk attachments
8657 * it needs to create diffs for. On success, these attachments will be replaced
8658 * with the created diffs. On failure, #deleteImplicitDiffs() is implicitly
8659 * called to delete created diffs which will also rollback mMediaData and restore
8660 * whatever was backed up before calling this method.
8661 *
8662 * Attachments with non-normal hard disks are left as is.
8663 *
8664 * If @a aOnline is @c false then the original hard disks that require implicit
8665 * diffs will be locked for reading. Otherwise it is assumed that they are
8666 * already locked for writing (when the VM was started). Note that in the latter
8667 * case it is responsibility of the caller to lock the newly created diffs for
8668 * writing if this method succeeds.
8669 *
8670 * @param aProgress Progress object to run (must contain at least as
8671 * many operations left as the number of hard disks
8672 * attached).
8673 * @param aOnline Whether the VM was online prior to this operation.
8674 * @param pllRegistriesThatNeedSaving Optional pointer to a list of UUIDs to receive the registry IDs that need saving
8675 *
8676 * @note The progress object is not marked as completed, neither on success nor
8677 * on failure. This is a responsibility of the caller.
8678 *
8679 * @note Locks this object for writing.
8680 */
8681HRESULT Machine::createImplicitDiffs(IProgress *aProgress,
8682 ULONG aWeight,
8683 bool aOnline,
8684 GuidList *pllRegistriesThatNeedSaving)
8685{
8686 LogFlowThisFunc(("aOnline=%d\n", aOnline));
8687
8688 AutoCaller autoCaller(this);
8689 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
8690
8691 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
8692
8693 /* must be in a protective state because we leave the lock below */
8694 AssertReturn( mData->mMachineState == MachineState_Saving
8695 || mData->mMachineState == MachineState_LiveSnapshotting
8696 || mData->mMachineState == MachineState_RestoringSnapshot
8697 || mData->mMachineState == MachineState_DeletingSnapshot
8698 , E_FAIL);
8699
8700 HRESULT rc = S_OK;
8701
8702 MediumLockListMap lockedMediaOffline;
8703 MediumLockListMap *lockedMediaMap;
8704 if (aOnline)
8705 lockedMediaMap = &mData->mSession.mLockedMedia;
8706 else
8707 lockedMediaMap = &lockedMediaOffline;
8708
8709 try
8710 {
8711 if (!aOnline)
8712 {
8713 /* lock all attached hard disks early to detect "in use"
8714 * situations before creating actual diffs */
8715 for (MediaData::AttachmentList::const_iterator it = mMediaData->mAttachments.begin();
8716 it != mMediaData->mAttachments.end();
8717 ++it)
8718 {
8719 MediumAttachment* pAtt = *it;
8720 if (pAtt->getType() == DeviceType_HardDisk)
8721 {
8722 Medium* pMedium = pAtt->getMedium();
8723 Assert(pMedium);
8724
8725 MediumLockList *pMediumLockList(new MediumLockList());
8726 rc = pMedium->createMediumLockList(true /* fFailIfInaccessible */,
8727 false /* fMediumLockWrite */,
8728 NULL,
8729 *pMediumLockList);
8730 if (FAILED(rc))
8731 {
8732 delete pMediumLockList;
8733 throw rc;
8734 }
8735 rc = lockedMediaMap->Insert(pAtt, pMediumLockList);
8736 if (FAILED(rc))
8737 {
8738 throw setError(rc,
8739 tr("Collecting locking information for all attached media failed"));
8740 }
8741 }
8742 }
8743
8744 /* Now lock all media. If this fails, nothing is locked. */
8745 rc = lockedMediaMap->Lock();
8746 if (FAILED(rc))
8747 {
8748 throw setError(rc,
8749 tr("Locking of attached media failed"));
8750 }
8751 }
8752
8753 /* remember the current list (note that we don't use backup() since
8754 * mMediaData may be already backed up) */
8755 MediaData::AttachmentList atts = mMediaData->mAttachments;
8756
8757 /* start from scratch */
8758 mMediaData->mAttachments.clear();
8759
8760 /* go through remembered attachments and create diffs for normal hard
8761 * disks and attach them */
8762 for (MediaData::AttachmentList::const_iterator it = atts.begin();
8763 it != atts.end();
8764 ++it)
8765 {
8766 MediumAttachment* pAtt = *it;
8767
8768 DeviceType_T devType = pAtt->getType();
8769 Medium* pMedium = pAtt->getMedium();
8770
8771 if ( devType != DeviceType_HardDisk
8772 || pMedium == NULL
8773 || pMedium->getType() != MediumType_Normal)
8774 {
8775 /* copy the attachment as is */
8776
8777 /** @todo the progress object created in Console::TakeSnaphot
8778 * only expects operations for hard disks. Later other
8779 * device types need to show up in the progress as well. */
8780 if (devType == DeviceType_HardDisk)
8781 {
8782 if (pMedium == NULL)
8783 aProgress->SetNextOperation(Bstr(tr("Skipping attachment without medium")).raw(),
8784 aWeight); // weight
8785 else
8786 aProgress->SetNextOperation(BstrFmt(tr("Skipping medium '%s'"),
8787 pMedium->getBase()->getName().c_str()).raw(),
8788 aWeight); // weight
8789 }
8790
8791 mMediaData->mAttachments.push_back(pAtt);
8792 continue;
8793 }
8794
8795 /* need a diff */
8796 aProgress->SetNextOperation(BstrFmt(tr("Creating differencing hard disk for '%s'"),
8797 pMedium->getBase()->getName().c_str()).raw(),
8798 aWeight); // weight
8799
8800 Utf8Str strFullSnapshotFolder;
8801 calculateFullPath(mUserData->s.strSnapshotFolder, strFullSnapshotFolder);
8802
8803 ComObjPtr<Medium> diff;
8804 diff.createObject();
8805 rc = diff->init(mParent,
8806 pMedium->getPreferredDiffFormat(),
8807 strFullSnapshotFolder.append(RTPATH_SLASH_STR),
8808 pMedium->getFirstRegistryMachineId(), // store the diff in the same registry as the parent
8809 pllRegistriesThatNeedSaving);
8810 if (FAILED(rc)) throw rc;
8811
8812 /** @todo r=bird: How is the locking and diff image cleaned up if we fail before
8813 * the push_back? Looks like we're going to leave medium with the
8814 * wrong kind of lock (general issue with if we fail anywhere at all)
8815 * and an orphaned VDI in the snapshots folder. */
8816
8817 /* update the appropriate lock list */
8818 MediumLockList *pMediumLockList;
8819 rc = lockedMediaMap->Get(pAtt, pMediumLockList);
8820 AssertComRCThrowRC(rc);
8821 if (aOnline)
8822 {
8823 rc = pMediumLockList->Update(pMedium, false);
8824 AssertComRCThrowRC(rc);
8825 }
8826
8827 /* leave the lock before the potentially lengthy operation */
8828 alock.leave();
8829 rc = pMedium->createDiffStorage(diff, MediumVariant_Standard,
8830 pMediumLockList,
8831 NULL /* aProgress */,
8832 true /* aWait */,
8833 pllRegistriesThatNeedSaving);
8834 alock.enter();
8835 if (FAILED(rc)) throw rc;
8836
8837 rc = lockedMediaMap->Unlock();
8838 AssertComRCThrowRC(rc);
8839 rc = pMediumLockList->Append(diff, true);
8840 AssertComRCThrowRC(rc);
8841 rc = lockedMediaMap->Lock();
8842 AssertComRCThrowRC(rc);
8843
8844 rc = diff->addBackReference(mData->mUuid);
8845 AssertComRCThrowRC(rc);
8846
8847 /* add a new attachment */
8848 ComObjPtr<MediumAttachment> attachment;
8849 attachment.createObject();
8850 rc = attachment->init(this,
8851 diff,
8852 pAtt->getControllerName(),
8853 pAtt->getPort(),
8854 pAtt->getDevice(),
8855 DeviceType_HardDisk,
8856 true /* aImplicit */,
8857 pAtt->getBandwidthGroup());
8858 if (FAILED(rc)) throw rc;
8859
8860 rc = lockedMediaMap->ReplaceKey(pAtt, attachment);
8861 AssertComRCThrowRC(rc);
8862 mMediaData->mAttachments.push_back(attachment);
8863 }
8864 }
8865 catch (HRESULT aRC) { rc = aRC; }
8866
8867 /* unlock all hard disks we locked */
8868 if (!aOnline)
8869 {
8870 ErrorInfoKeeper eik;
8871
8872 rc = lockedMediaMap->Clear();
8873 AssertComRC(rc);
8874 }
8875
8876 if (FAILED(rc))
8877 {
8878 MultiResult mrc = rc;
8879
8880 mrc = deleteImplicitDiffs(pllRegistriesThatNeedSaving);
8881 }
8882
8883 return rc;
8884}
8885
8886/**
8887 * Deletes implicit differencing hard disks created either by
8888 * #createImplicitDiffs() or by #AttachMedium() and rolls back mMediaData.
8889 *
8890 * Note that to delete hard disks created by #AttachMedium() this method is
8891 * called from #fixupMedia() when the changes are rolled back.
8892 *
8893 * @param pfNeedsSaveSettings Optional pointer to a bool that must have been initialized to false and that will be set to true
8894 * by this function if the caller should invoke VirtualBox::saveSettings() because the global settings have changed.
8895 *
8896 * @note Locks this object for writing.
8897 */
8898HRESULT Machine::deleteImplicitDiffs(GuidList *pllRegistriesThatNeedSaving)
8899{
8900 AutoCaller autoCaller(this);
8901 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
8902
8903 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
8904 LogFlowThisFuncEnter();
8905
8906 AssertReturn(mMediaData.isBackedUp(), E_FAIL);
8907
8908 HRESULT rc = S_OK;
8909
8910 MediaData::AttachmentList implicitAtts;
8911
8912 const MediaData::AttachmentList &oldAtts = mMediaData.backedUpData()->mAttachments;
8913
8914 /* enumerate new attachments */
8915 for (MediaData::AttachmentList::const_iterator it = mMediaData->mAttachments.begin();
8916 it != mMediaData->mAttachments.end();
8917 ++it)
8918 {
8919 ComObjPtr<Medium> hd = (*it)->getMedium();
8920 if (hd.isNull())
8921 continue;
8922
8923 if ((*it)->isImplicit())
8924 {
8925 /* deassociate and mark for deletion */
8926 LogFlowThisFunc(("Detaching '%s', pending deletion\n", (*it)->getLogName()));
8927 rc = hd->removeBackReference(mData->mUuid);
8928 AssertComRC(rc);
8929 implicitAtts.push_back(*it);
8930 continue;
8931 }
8932
8933 /* was this hard disk attached before? */
8934 if (!findAttachment(oldAtts, hd))
8935 {
8936 /* no: de-associate */
8937 LogFlowThisFunc(("Detaching '%s', no deletion\n", (*it)->getLogName()));
8938 rc = hd->removeBackReference(mData->mUuid);
8939 AssertComRC(rc);
8940 continue;
8941 }
8942 LogFlowThisFunc(("Not detaching '%s'\n", (*it)->getLogName()));
8943 }
8944
8945 /* rollback hard disk changes */
8946 mMediaData.rollback();
8947
8948 MultiResult mrc(S_OK);
8949
8950 /* delete unused implicit diffs */
8951 if (implicitAtts.size() != 0)
8952 {
8953 /* will leave the lock before the potentially lengthy
8954 * operation, so protect with the special state (unless already
8955 * protected) */
8956 MachineState_T oldState = mData->mMachineState;
8957 if ( oldState != MachineState_Saving
8958 && oldState != MachineState_LiveSnapshotting
8959 && oldState != MachineState_RestoringSnapshot
8960 && oldState != MachineState_DeletingSnapshot
8961 && oldState != MachineState_DeletingSnapshotOnline
8962 && oldState != MachineState_DeletingSnapshotPaused
8963 )
8964 setMachineState(MachineState_SettingUp);
8965
8966 alock.leave();
8967
8968 for (MediaData::AttachmentList::const_iterator it = implicitAtts.begin();
8969 it != implicitAtts.end();
8970 ++it)
8971 {
8972 LogFlowThisFunc(("Deleting '%s'\n", (*it)->getLogName()));
8973 ComObjPtr<Medium> hd = (*it)->getMedium();
8974
8975 rc = hd->deleteStorage(NULL /*aProgress*/, true /*aWait*/,
8976 pllRegistriesThatNeedSaving);
8977 AssertMsg(SUCCEEDED(rc), ("rc=%Rhrc it=%s hd=%s\n", rc, (*it)->getLogName(), hd->getLocationFull().c_str() ));
8978 mrc = rc;
8979 }
8980
8981 alock.enter();
8982
8983 if (mData->mMachineState == MachineState_SettingUp)
8984 setMachineState(oldState);
8985 }
8986
8987 return mrc;
8988}
8989
8990/**
8991 * Looks through the given list of media attachments for one with the given parameters
8992 * and returns it, or NULL if not found. The list is a parameter so that backup lists
8993 * can be searched as well if needed.
8994 *
8995 * @param list
8996 * @param aControllerName
8997 * @param aControllerPort
8998 * @param aDevice
8999 * @return
9000 */
9001MediumAttachment* Machine::findAttachment(const MediaData::AttachmentList &ll,
9002 IN_BSTR aControllerName,
9003 LONG aControllerPort,
9004 LONG aDevice)
9005{
9006 for (MediaData::AttachmentList::const_iterator it = ll.begin();
9007 it != ll.end();
9008 ++it)
9009 {
9010 MediumAttachment *pAttach = *it;
9011 if (pAttach->matches(aControllerName, aControllerPort, aDevice))
9012 return pAttach;
9013 }
9014
9015 return NULL;
9016}
9017
9018/**
9019 * Looks through the given list of media attachments for one with the given parameters
9020 * and returns it, or NULL if not found. The list is a parameter so that backup lists
9021 * can be searched as well if needed.
9022 *
9023 * @param list
9024 * @param aControllerName
9025 * @param aControllerPort
9026 * @param aDevice
9027 * @return
9028 */
9029MediumAttachment* Machine::findAttachment(const MediaData::AttachmentList &ll,
9030 ComObjPtr<Medium> pMedium)
9031{
9032 for (MediaData::AttachmentList::const_iterator it = ll.begin();
9033 it != ll.end();
9034 ++it)
9035 {
9036 MediumAttachment *pAttach = *it;
9037 ComObjPtr<Medium> pMediumThis = pAttach->getMedium();
9038 if (pMediumThis == pMedium)
9039 return pAttach;
9040 }
9041
9042 return NULL;
9043}
9044
9045/**
9046 * Looks through the given list of media attachments for one with the given parameters
9047 * and returns it, or NULL if not found. The list is a parameter so that backup lists
9048 * can be searched as well if needed.
9049 *
9050 * @param list
9051 * @param aControllerName
9052 * @param aControllerPort
9053 * @param aDevice
9054 * @return
9055 */
9056MediumAttachment* Machine::findAttachment(const MediaData::AttachmentList &ll,
9057 Guid &id)
9058{
9059 for (MediaData::AttachmentList::const_iterator it = ll.begin();
9060 it != ll.end();
9061 ++it)
9062 {
9063 MediumAttachment *pAttach = *it;
9064 ComObjPtr<Medium> pMediumThis = pAttach->getMedium();
9065 if (pMediumThis->getId() == id)
9066 return pAttach;
9067 }
9068
9069 return NULL;
9070}
9071
9072/**
9073 * Main implementation for Machine::DetachDevice. This also gets called
9074 * from Machine::prepareUnregister() so it has been taken out for simplicity.
9075 *
9076 * @param pAttach Medium attachment to detach.
9077 * @param writeLock Machine write lock which the caller must have locked once. This may be released temporarily in here.
9078 * @param pSnapshot If NULL, then the detachment is for the current machine. Otherwise this is for a SnapshotMachine, and this must be its snapshot.
9079 * @param pfNeedsSaveSettings Optional pointer to a bool that must have been initialized to false and that will be set to true
9080 * by this function if the caller should invoke VirtualBox::saveSettings() because the global settings have changed.
9081 * @return
9082 */
9083HRESULT Machine::detachDevice(MediumAttachment *pAttach,
9084 AutoWriteLock &writeLock,
9085 Snapshot *pSnapshot,
9086 GuidList *pllRegistriesThatNeedSaving)
9087{
9088 ComObjPtr<Medium> oldmedium = pAttach->getMedium();
9089 DeviceType_T mediumType = pAttach->getType();
9090
9091 LogFlowThisFunc(("Entering, medium of attachment is %s\n", oldmedium ? oldmedium->getLocationFull().c_str() : "NULL"));
9092
9093 if (pAttach->isImplicit())
9094 {
9095 /* attempt to implicitly delete the implicitly created diff */
9096
9097 /// @todo move the implicit flag from MediumAttachment to Medium
9098 /// and forbid any hard disk operation when it is implicit. Or maybe
9099 /// a special media state for it to make it even more simple.
9100
9101 Assert(mMediaData.isBackedUp());
9102
9103 /* will leave the lock before the potentially lengthy operation, so
9104 * protect with the special state */
9105 MachineState_T oldState = mData->mMachineState;
9106 setMachineState(MachineState_SettingUp);
9107
9108 writeLock.release();
9109
9110 HRESULT rc = oldmedium->deleteStorage(NULL /*aProgress*/, true /*aWait*/,
9111 pllRegistriesThatNeedSaving);
9112
9113 writeLock.acquire();
9114
9115 setMachineState(oldState);
9116
9117 if (FAILED(rc)) return rc;
9118 }
9119
9120 setModified(IsModified_Storage);
9121 mMediaData.backup();
9122
9123 // we cannot use erase (it) below because backup() above will create
9124 // a copy of the list and make this copy active, but the iterator
9125 // still refers to the original and is not valid for the copy
9126 mMediaData->mAttachments.remove(pAttach);
9127
9128 if (!oldmedium.isNull())
9129 {
9130 // if this is from a snapshot, do not defer detachment to commitMedia()
9131 if (pSnapshot)
9132 oldmedium->removeBackReference(mData->mUuid, pSnapshot->getId());
9133 // else if non-hard disk media, do not defer detachment to commitMedia() either
9134 else if (mediumType != DeviceType_HardDisk)
9135 oldmedium->removeBackReference(mData->mUuid);
9136 }
9137
9138 return S_OK;
9139}
9140
9141/**
9142 * Goes thru all medium attachments of the list and calls detachDevice() on each
9143 * of them and attaches all Medium objects found in the process to the given list,
9144 * depending on cleanupMode.
9145 *
9146 * This gets called from Machine::Unregister, both for the actual Machine and
9147 * the SnapshotMachine objects that might be found in the snapshots.
9148 *
9149 * Requires caller and locking.
9150 *
9151 * @param writeLock Machine lock from top-level caller; this gets passed to detachDevice.
9152 * @param pSnapshot Must be NULL when called for a "real" Machine or a snapshot object if called for a SnapshotMachine.
9153 * @param cleanupMode If DetachAllReturnHardDisksOnly, only hard disk media get added to llMedia; if Full, then all media get added;
9154 * otherwise no media get added.
9155 * @param llMedia Caller's list to receive Medium objects which got detached so caller can close() them, depending on cleanupMode.
9156 * @return
9157 */
9158HRESULT Machine::detachAllMedia(AutoWriteLock &writeLock,
9159 Snapshot *pSnapshot,
9160 CleanupMode_T cleanupMode,
9161 MediaList &llMedia)
9162{
9163 Assert(isWriteLockOnCurrentThread());
9164
9165 HRESULT rc;
9166
9167 // make a temporary list because detachDevice invalidates iterators into
9168 // mMediaData->mAttachments
9169 MediaData::AttachmentList llAttachments2 = mMediaData->mAttachments;
9170
9171 for (MediaData::AttachmentList::iterator it = llAttachments2.begin();
9172 it != llAttachments2.end();
9173 ++it)
9174 {
9175 ComObjPtr<MediumAttachment> pAttach = *it;
9176 ComObjPtr<Medium> pMedium = pAttach->getMedium();
9177
9178 if (!pMedium.isNull())
9179 {
9180 DeviceType_T devType = pMedium->getDeviceType();
9181 if ( ( cleanupMode == CleanupMode_DetachAllReturnHardDisksOnly
9182 && devType == DeviceType_HardDisk)
9183 || (cleanupMode == CleanupMode_Full)
9184 )
9185 llMedia.push_back(pMedium);
9186 }
9187
9188 // real machine: then we need to use the proper method
9189 rc = detachDevice(pAttach,
9190 writeLock,
9191 pSnapshot,
9192 NULL /* pfNeedsSaveSettings */);
9193
9194 if (FAILED(rc))
9195 return rc;
9196 }
9197
9198 return S_OK;
9199}
9200
9201/**
9202 * Perform deferred hard disk detachments.
9203 *
9204 * Does nothing if the hard disk attachment data (mMediaData) is not changed (not
9205 * backed up).
9206 *
9207 * If @a aOnline is @c true then this method will also unlock the old hard disks
9208 * for which the new implicit diffs were created and will lock these new diffs for
9209 * writing.
9210 *
9211 * @param aOnline Whether the VM was online prior to this operation.
9212 *
9213 * @note Locks this object for writing!
9214 */
9215void Machine::commitMedia(bool aOnline /*= false*/)
9216{
9217 AutoCaller autoCaller(this);
9218 AssertComRCReturnVoid(autoCaller.rc());
9219
9220 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
9221
9222 LogFlowThisFunc(("Entering, aOnline=%d\n", aOnline));
9223
9224 HRESULT rc = S_OK;
9225
9226 /* no attach/detach operations -- nothing to do */
9227 if (!mMediaData.isBackedUp())
9228 return;
9229
9230 MediaData::AttachmentList &oldAtts = mMediaData.backedUpData()->mAttachments;
9231 bool fMediaNeedsLocking = false;
9232
9233 /* enumerate new attachments */
9234 for (MediaData::AttachmentList::const_iterator it = mMediaData->mAttachments.begin();
9235 it != mMediaData->mAttachments.end();
9236 ++it)
9237 {
9238 MediumAttachment *pAttach = *it;
9239
9240 pAttach->commit();
9241
9242 Medium* pMedium = pAttach->getMedium();
9243 bool fImplicit = pAttach->isImplicit();
9244
9245 LogFlowThisFunc(("Examining current medium '%s' (implicit: %d)\n",
9246 (pMedium) ? pMedium->getName().c_str() : "NULL",
9247 fImplicit));
9248
9249 /** @todo convert all this Machine-based voodoo to MediumAttachment
9250 * based commit logic. */
9251 if (fImplicit)
9252 {
9253 /* convert implicit attachment to normal */
9254 pAttach->setImplicit(false);
9255
9256 if ( aOnline
9257 && pMedium
9258 && pAttach->getType() == DeviceType_HardDisk
9259 )
9260 {
9261 ComObjPtr<Medium> parent = pMedium->getParent();
9262 AutoWriteLock parentLock(parent COMMA_LOCKVAL_SRC_POS);
9263
9264 /* update the appropriate lock list */
9265 MediumLockList *pMediumLockList;
9266 rc = mData->mSession.mLockedMedia.Get(pAttach, pMediumLockList);
9267 AssertComRC(rc);
9268 if (pMediumLockList)
9269 {
9270 /* unlock if there's a need to change the locking */
9271 if (!fMediaNeedsLocking)
9272 {
9273 rc = mData->mSession.mLockedMedia.Unlock();
9274 AssertComRC(rc);
9275 fMediaNeedsLocking = true;
9276 }
9277 rc = pMediumLockList->Update(parent, false);
9278 AssertComRC(rc);
9279 rc = pMediumLockList->Append(pMedium, true);
9280 AssertComRC(rc);
9281 }
9282 }
9283
9284 continue;
9285 }
9286
9287 if (pMedium)
9288 {
9289 /* was this medium attached before? */
9290 for (MediaData::AttachmentList::iterator oldIt = oldAtts.begin();
9291 oldIt != oldAtts.end();
9292 ++oldIt)
9293 {
9294 MediumAttachment *pOldAttach = *oldIt;
9295 if (pOldAttach->getMedium() == pMedium)
9296 {
9297 LogFlowThisFunc(("--> medium '%s' was attached before, will not remove\n", pMedium->getName().c_str()));
9298
9299 /* yes: remove from old to avoid de-association */
9300 oldAtts.erase(oldIt);
9301 break;
9302 }
9303 }
9304 }
9305 }
9306
9307 /* enumerate remaining old attachments and de-associate from the
9308 * current machine state */
9309 for (MediaData::AttachmentList::const_iterator it = oldAtts.begin();
9310 it != oldAtts.end();
9311 ++it)
9312 {
9313 MediumAttachment *pAttach = *it;
9314 Medium* pMedium = pAttach->getMedium();
9315
9316 /* Detach only hard disks, since DVD/floppy media is detached
9317 * instantly in MountMedium. */
9318 if (pAttach->getType() == DeviceType_HardDisk && pMedium)
9319 {
9320 LogFlowThisFunc(("detaching medium '%s' from machine\n", pMedium->getName().c_str()));
9321
9322 /* now de-associate from the current machine state */
9323 rc = pMedium->removeBackReference(mData->mUuid);
9324 AssertComRC(rc);
9325
9326 if (aOnline)
9327 {
9328 /* unlock since medium is not used anymore */
9329 MediumLockList *pMediumLockList;
9330 rc = mData->mSession.mLockedMedia.Get(pAttach, pMediumLockList);
9331 AssertComRC(rc);
9332 if (pMediumLockList)
9333 {
9334 rc = mData->mSession.mLockedMedia.Remove(pAttach);
9335 AssertComRC(rc);
9336 }
9337 }
9338 }
9339 }
9340
9341 /* take media locks again so that the locking state is consistent */
9342 if (fMediaNeedsLocking)
9343 {
9344 Assert(aOnline);
9345 rc = mData->mSession.mLockedMedia.Lock();
9346 AssertComRC(rc);
9347 }
9348
9349 /* commit the hard disk changes */
9350 mMediaData.commit();
9351
9352 if (isSessionMachine())
9353 {
9354 /* attach new data to the primary machine and reshare it */
9355 mPeer->mMediaData.attach(mMediaData);
9356 }
9357
9358 return;
9359}
9360
9361/**
9362 * Perform deferred deletion of implicitly created diffs.
9363 *
9364 * Does nothing if the hard disk attachment data (mMediaData) is not changed (not
9365 * backed up).
9366 *
9367 * @param pfNeedsSaveSettings Optional pointer to a bool that must have been initialized to false and that will be set to true
9368 * by this function if the caller should invoke VirtualBox::saveSettings() because the global settings have changed.
9369 *
9370 * @note Locks this object for writing!
9371 */
9372void Machine::rollbackMedia()
9373{
9374 AutoCaller autoCaller(this);
9375 AssertComRCReturnVoid (autoCaller.rc());
9376
9377 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
9378
9379 LogFlowThisFunc(("Entering\n"));
9380
9381 HRESULT rc = S_OK;
9382
9383 /* no attach/detach operations -- nothing to do */
9384 if (!mMediaData.isBackedUp())
9385 return;
9386
9387 /* enumerate new attachments */
9388 for (MediaData::AttachmentList::const_iterator it = mMediaData->mAttachments.begin();
9389 it != mMediaData->mAttachments.end();
9390 ++it)
9391 {
9392 MediumAttachment *pAttach = *it;
9393 /* Fix up the backrefs for DVD/floppy media. */
9394 if (pAttach->getType() != DeviceType_HardDisk)
9395 {
9396 Medium* pMedium = pAttach->getMedium();
9397 if (pMedium)
9398 {
9399 rc = pMedium->removeBackReference(mData->mUuid);
9400 AssertComRC(rc);
9401 }
9402 }
9403
9404 (*it)->rollback();
9405
9406 pAttach = *it;
9407 /* Fix up the backrefs for DVD/floppy media. */
9408 if (pAttach->getType() != DeviceType_HardDisk)
9409 {
9410 Medium* pMedium = pAttach->getMedium();
9411 if (pMedium)
9412 {
9413 rc = pMedium->addBackReference(mData->mUuid);
9414 AssertComRC(rc);
9415 }
9416 }
9417 }
9418
9419 /** @todo convert all this Machine-based voodoo to MediumAttachment
9420 * based rollback logic. */
9421 // @todo r=dj the below totally fails if this gets called from Machine::rollback(),
9422 // which gets called if Machine::registeredInit() fails...
9423 deleteImplicitDiffs(NULL /*pfNeedsSaveSettings*/);
9424
9425 return;
9426}
9427
9428/**
9429 * Returns true if the settings file is located in the directory named exactly
9430 * as the machine; this means, among other things, that the machine directory
9431 * should be auto-renamed.
9432 *
9433 * @param aSettingsDir if not NULL, the full machine settings file directory
9434 * name will be assigned there.
9435 *
9436 * @note Doesn't lock anything.
9437 * @note Not thread safe (must be called from this object's lock).
9438 */
9439bool Machine::isInOwnDir(Utf8Str *aSettingsDir /* = NULL */) const
9440{
9441 Utf8Str strMachineDirName(mData->m_strConfigFileFull); // path/to/machinesfolder/vmname/vmname.vbox
9442 strMachineDirName.stripFilename(); // path/to/machinesfolder/vmname
9443 if (aSettingsDir)
9444 *aSettingsDir = strMachineDirName;
9445 strMachineDirName.stripPath(); // vmname
9446 Utf8Str strConfigFileOnly(mData->m_strConfigFileFull); // path/to/machinesfolder/vmname/vmname.vbox
9447 strConfigFileOnly.stripPath() // vmname.vbox
9448 .stripExt(); // vmname
9449
9450 AssertReturn(!strMachineDirName.isEmpty(), false);
9451 AssertReturn(!strConfigFileOnly.isEmpty(), false);
9452
9453 return strMachineDirName == strConfigFileOnly;
9454}
9455
9456/**
9457 * Discards all changes to machine settings.
9458 *
9459 * @param aNotify Whether to notify the direct session about changes or not.
9460 *
9461 * @note Locks objects for writing!
9462 */
9463void Machine::rollback(bool aNotify)
9464{
9465 AutoCaller autoCaller(this);
9466 AssertComRCReturn(autoCaller.rc(), (void)0);
9467
9468 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
9469
9470 if (!mStorageControllers.isNull())
9471 {
9472 if (mStorageControllers.isBackedUp())
9473 {
9474 /* unitialize all new devices (absent in the backed up list). */
9475 StorageControllerList::const_iterator it = mStorageControllers->begin();
9476 StorageControllerList *backedList = mStorageControllers.backedUpData();
9477 while (it != mStorageControllers->end())
9478 {
9479 if ( std::find(backedList->begin(), backedList->end(), *it)
9480 == backedList->end()
9481 )
9482 {
9483 (*it)->uninit();
9484 }
9485 ++it;
9486 }
9487
9488 /* restore the list */
9489 mStorageControllers.rollback();
9490 }
9491
9492 /* rollback any changes to devices after restoring the list */
9493 if (mData->flModifications & IsModified_Storage)
9494 {
9495 StorageControllerList::const_iterator it = mStorageControllers->begin();
9496 while (it != mStorageControllers->end())
9497 {
9498 (*it)->rollback();
9499 ++it;
9500 }
9501 }
9502 }
9503
9504 mUserData.rollback();
9505
9506 mHWData.rollback();
9507
9508 if (mData->flModifications & IsModified_Storage)
9509 rollbackMedia();
9510
9511 if (mBIOSSettings)
9512 mBIOSSettings->rollback();
9513
9514 if (mVRDEServer && (mData->flModifications & IsModified_VRDEServer))
9515 mVRDEServer->rollback();
9516
9517 if (mAudioAdapter)
9518 mAudioAdapter->rollback();
9519
9520 if (mUSBController && (mData->flModifications & IsModified_USB))
9521 mUSBController->rollback();
9522
9523 if (mBandwidthControl && (mData->flModifications & IsModified_BandwidthControl))
9524 mBandwidthControl->rollback();
9525
9526 ComPtr<INetworkAdapter> networkAdapters[RT_ELEMENTS(mNetworkAdapters)];
9527 ComPtr<ISerialPort> serialPorts[RT_ELEMENTS(mSerialPorts)];
9528 ComPtr<IParallelPort> parallelPorts[RT_ELEMENTS(mParallelPorts)];
9529
9530 if (mData->flModifications & IsModified_NetworkAdapters)
9531 for (ULONG slot = 0; slot < RT_ELEMENTS(mNetworkAdapters); slot++)
9532 if ( mNetworkAdapters[slot]
9533 && mNetworkAdapters[slot]->isModified())
9534 {
9535 mNetworkAdapters[slot]->rollback();
9536 networkAdapters[slot] = mNetworkAdapters[slot];
9537 }
9538
9539 if (mData->flModifications & IsModified_SerialPorts)
9540 for (ULONG slot = 0; slot < RT_ELEMENTS(mSerialPorts); slot++)
9541 if ( mSerialPorts[slot]
9542 && mSerialPorts[slot]->isModified())
9543 {
9544 mSerialPorts[slot]->rollback();
9545 serialPorts[slot] = mSerialPorts[slot];
9546 }
9547
9548 if (mData->flModifications & IsModified_ParallelPorts)
9549 for (ULONG slot = 0; slot < RT_ELEMENTS(mParallelPorts); slot++)
9550 if ( mParallelPorts[slot]
9551 && mParallelPorts[slot]->isModified())
9552 {
9553 mParallelPorts[slot]->rollback();
9554 parallelPorts[slot] = mParallelPorts[slot];
9555 }
9556
9557 if (aNotify)
9558 {
9559 /* inform the direct session about changes */
9560
9561 ComObjPtr<Machine> that = this;
9562 uint32_t flModifications = mData->flModifications;
9563 alock.leave();
9564
9565 if (flModifications & IsModified_SharedFolders)
9566 that->onSharedFolderChange();
9567
9568 if (flModifications & IsModified_VRDEServer)
9569 that->onVRDEServerChange(/* aRestart */ TRUE);
9570 if (flModifications & IsModified_USB)
9571 that->onUSBControllerChange();
9572
9573 for (ULONG slot = 0; slot < RT_ELEMENTS(networkAdapters); slot ++)
9574 if (networkAdapters[slot])
9575 that->onNetworkAdapterChange(networkAdapters[slot], FALSE);
9576 for (ULONG slot = 0; slot < RT_ELEMENTS(serialPorts); slot ++)
9577 if (serialPorts[slot])
9578 that->onSerialPortChange(serialPorts[slot]);
9579 for (ULONG slot = 0; slot < RT_ELEMENTS(parallelPorts); slot ++)
9580 if (parallelPorts[slot])
9581 that->onParallelPortChange(parallelPorts[slot]);
9582
9583 if (flModifications & IsModified_Storage)
9584 that->onStorageControllerChange();
9585
9586#if 0
9587 if (flModifications & IsModified_BandwidthControl)
9588 that->onBandwidthControlChange();
9589#endif
9590 }
9591}
9592
9593/**
9594 * Commits all the changes to machine settings.
9595 *
9596 * Note that this operation is supposed to never fail.
9597 *
9598 * @note Locks this object and children for writing.
9599 */
9600void Machine::commit()
9601{
9602 AutoCaller autoCaller(this);
9603 AssertComRCReturnVoid(autoCaller.rc());
9604
9605 AutoCaller peerCaller(mPeer);
9606 AssertComRCReturnVoid(peerCaller.rc());
9607
9608 AutoMultiWriteLock2 alock(mPeer, this COMMA_LOCKVAL_SRC_POS);
9609
9610 /*
9611 * use safe commit to ensure Snapshot machines (that share mUserData)
9612 * will still refer to a valid memory location
9613 */
9614 mUserData.commitCopy();
9615
9616 mHWData.commit();
9617
9618 if (mMediaData.isBackedUp())
9619 commitMedia();
9620
9621 mBIOSSettings->commit();
9622 mVRDEServer->commit();
9623 mAudioAdapter->commit();
9624 mUSBController->commit();
9625 mBandwidthControl->commit();
9626
9627 for (ULONG slot = 0; slot < RT_ELEMENTS(mNetworkAdapters); slot++)
9628 mNetworkAdapters[slot]->commit();
9629 for (ULONG slot = 0; slot < RT_ELEMENTS(mSerialPorts); slot++)
9630 mSerialPorts[slot]->commit();
9631 for (ULONG slot = 0; slot < RT_ELEMENTS(mParallelPorts); slot++)
9632 mParallelPorts[slot]->commit();
9633
9634 bool commitStorageControllers = false;
9635
9636 if (mStorageControllers.isBackedUp())
9637 {
9638 mStorageControllers.commit();
9639
9640 if (mPeer)
9641 {
9642 AutoWriteLock peerlock(mPeer COMMA_LOCKVAL_SRC_POS);
9643
9644 /* Commit all changes to new controllers (this will reshare data with
9645 * peers for those who have peers) */
9646 StorageControllerList *newList = new StorageControllerList();
9647 StorageControllerList::const_iterator it = mStorageControllers->begin();
9648 while (it != mStorageControllers->end())
9649 {
9650 (*it)->commit();
9651
9652 /* look if this controller has a peer device */
9653 ComObjPtr<StorageController> peer = (*it)->getPeer();
9654 if (!peer)
9655 {
9656 /* no peer means the device is a newly created one;
9657 * create a peer owning data this device share it with */
9658 peer.createObject();
9659 peer->init(mPeer, *it, true /* aReshare */);
9660 }
9661 else
9662 {
9663 /* remove peer from the old list */
9664 mPeer->mStorageControllers->remove(peer);
9665 }
9666 /* and add it to the new list */
9667 newList->push_back(peer);
9668
9669 ++it;
9670 }
9671
9672 /* uninit old peer's controllers that are left */
9673 it = mPeer->mStorageControllers->begin();
9674 while (it != mPeer->mStorageControllers->end())
9675 {
9676 (*it)->uninit();
9677 ++it;
9678 }
9679
9680 /* attach new list of controllers to our peer */
9681 mPeer->mStorageControllers.attach(newList);
9682 }
9683 else
9684 {
9685 /* we have no peer (our parent is the newly created machine);
9686 * just commit changes to devices */
9687 commitStorageControllers = true;
9688 }
9689 }
9690 else
9691 {
9692 /* the list of controllers itself is not changed,
9693 * just commit changes to controllers themselves */
9694 commitStorageControllers = true;
9695 }
9696
9697 if (commitStorageControllers)
9698 {
9699 StorageControllerList::const_iterator it = mStorageControllers->begin();
9700 while (it != mStorageControllers->end())
9701 {
9702 (*it)->commit();
9703 ++it;
9704 }
9705 }
9706
9707 if (isSessionMachine())
9708 {
9709 /* attach new data to the primary machine and reshare it */
9710 mPeer->mUserData.attach(mUserData);
9711 mPeer->mHWData.attach(mHWData);
9712 /* mMediaData is reshared by fixupMedia */
9713 // mPeer->mMediaData.attach(mMediaData);
9714 Assert(mPeer->mMediaData.data() == mMediaData.data());
9715 }
9716}
9717
9718/**
9719 * Copies all the hardware data from the given machine.
9720 *
9721 * Currently, only called when the VM is being restored from a snapshot. In
9722 * particular, this implies that the VM is not running during this method's
9723 * call.
9724 *
9725 * @note This method must be called from under this object's lock.
9726 *
9727 * @note This method doesn't call #commit(), so all data remains backed up and
9728 * unsaved.
9729 */
9730void Machine::copyFrom(Machine *aThat)
9731{
9732 AssertReturnVoid(!isSnapshotMachine());
9733 AssertReturnVoid(aThat->isSnapshotMachine());
9734
9735 AssertReturnVoid(!Global::IsOnline(mData->mMachineState));
9736
9737 mHWData.assignCopy(aThat->mHWData);
9738
9739 // create copies of all shared folders (mHWData after attaching a copy
9740 // contains just references to original objects)
9741 for (HWData::SharedFolderList::iterator it = mHWData->mSharedFolders.begin();
9742 it != mHWData->mSharedFolders.end();
9743 ++it)
9744 {
9745 ComObjPtr<SharedFolder> folder;
9746 folder.createObject();
9747 HRESULT rc = folder->initCopy(getMachine(), *it);
9748 AssertComRC(rc);
9749 *it = folder;
9750 }
9751
9752 mBIOSSettings->copyFrom(aThat->mBIOSSettings);
9753 mVRDEServer->copyFrom(aThat->mVRDEServer);
9754 mAudioAdapter->copyFrom(aThat->mAudioAdapter);
9755 mUSBController->copyFrom(aThat->mUSBController);
9756 mBandwidthControl->copyFrom(aThat->mBandwidthControl);
9757
9758 /* create private copies of all controllers */
9759 mStorageControllers.backup();
9760 mStorageControllers->clear();
9761 for (StorageControllerList::iterator it = aThat->mStorageControllers->begin();
9762 it != aThat->mStorageControllers->end();
9763 ++it)
9764 {
9765 ComObjPtr<StorageController> ctrl;
9766 ctrl.createObject();
9767 ctrl->initCopy(this, *it);
9768 mStorageControllers->push_back(ctrl);
9769 }
9770
9771 for (ULONG slot = 0; slot < RT_ELEMENTS(mNetworkAdapters); slot++)
9772 mNetworkAdapters[slot]->copyFrom(aThat->mNetworkAdapters[slot]);
9773 for (ULONG slot = 0; slot < RT_ELEMENTS(mSerialPorts); slot++)
9774 mSerialPorts[slot]->copyFrom(aThat->mSerialPorts[slot]);
9775 for (ULONG slot = 0; slot < RT_ELEMENTS(mParallelPorts); slot++)
9776 mParallelPorts[slot]->copyFrom(aThat->mParallelPorts[slot]);
9777}
9778
9779#ifdef VBOX_WITH_RESOURCE_USAGE_API
9780
9781void Machine::registerMetrics(PerformanceCollector *aCollector, Machine *aMachine, RTPROCESS pid)
9782{
9783 AssertReturnVoid(isWriteLockOnCurrentThread());
9784 AssertPtrReturnVoid(aCollector);
9785
9786 pm::CollectorHAL *hal = aCollector->getHAL();
9787 /* Create sub metrics */
9788 pm::SubMetric *cpuLoadUser = new pm::SubMetric("CPU/Load/User",
9789 "Percentage of processor time spent in user mode by the VM process.");
9790 pm::SubMetric *cpuLoadKernel = new pm::SubMetric("CPU/Load/Kernel",
9791 "Percentage of processor time spent in kernel mode by the VM process.");
9792 pm::SubMetric *ramUsageUsed = new pm::SubMetric("RAM/Usage/Used",
9793 "Size of resident portion of VM process in memory.");
9794 /* Create and register base metrics */
9795 pm::BaseMetric *cpuLoad = new pm::MachineCpuLoadRaw(hal, aMachine, pid,
9796 cpuLoadUser, cpuLoadKernel);
9797 aCollector->registerBaseMetric(cpuLoad);
9798 pm::BaseMetric *ramUsage = new pm::MachineRamUsage(hal, aMachine, pid,
9799 ramUsageUsed);
9800 aCollector->registerBaseMetric(ramUsage);
9801
9802 aCollector->registerMetric(new pm::Metric(cpuLoad, cpuLoadUser, 0));
9803 aCollector->registerMetric(new pm::Metric(cpuLoad, cpuLoadUser,
9804 new pm::AggregateAvg()));
9805 aCollector->registerMetric(new pm::Metric(cpuLoad, cpuLoadUser,
9806 new pm::AggregateMin()));
9807 aCollector->registerMetric(new pm::Metric(cpuLoad, cpuLoadUser,
9808 new pm::AggregateMax()));
9809 aCollector->registerMetric(new pm::Metric(cpuLoad, cpuLoadKernel, 0));
9810 aCollector->registerMetric(new pm::Metric(cpuLoad, cpuLoadKernel,
9811 new pm::AggregateAvg()));
9812 aCollector->registerMetric(new pm::Metric(cpuLoad, cpuLoadKernel,
9813 new pm::AggregateMin()));
9814 aCollector->registerMetric(new pm::Metric(cpuLoad, cpuLoadKernel,
9815 new pm::AggregateMax()));
9816
9817 aCollector->registerMetric(new pm::Metric(ramUsage, ramUsageUsed, 0));
9818 aCollector->registerMetric(new pm::Metric(ramUsage, ramUsageUsed,
9819 new pm::AggregateAvg()));
9820 aCollector->registerMetric(new pm::Metric(ramUsage, ramUsageUsed,
9821 new pm::AggregateMin()));
9822 aCollector->registerMetric(new pm::Metric(ramUsage, ramUsageUsed,
9823 new pm::AggregateMax()));
9824
9825
9826 /* Guest metrics */
9827 mGuestHAL = new pm::CollectorGuestHAL(this, hal);
9828
9829 /* Create sub metrics */
9830 pm::SubMetric *guestLoadUser = new pm::SubMetric("Guest/CPU/Load/User",
9831 "Percentage of processor time spent in user mode as seen by the guest.");
9832 pm::SubMetric *guestLoadKernel = new pm::SubMetric("Guest/CPU/Load/Kernel",
9833 "Percentage of processor time spent in kernel mode as seen by the guest.");
9834 pm::SubMetric *guestLoadIdle = new pm::SubMetric("Guest/CPU/Load/Idle",
9835 "Percentage of processor time spent idling as seen by the guest.");
9836
9837 /* The total amount of physical ram is fixed now, but we'll support dynamic guest ram configurations in the future. */
9838 pm::SubMetric *guestMemTotal = new pm::SubMetric("Guest/RAM/Usage/Total", "Total amount of physical guest RAM.");
9839 pm::SubMetric *guestMemFree = new pm::SubMetric("Guest/RAM/Usage/Free", "Free amount of physical guest RAM.");
9840 pm::SubMetric *guestMemBalloon = new pm::SubMetric("Guest/RAM/Usage/Balloon", "Amount of ballooned physical guest RAM.");
9841 pm::SubMetric *guestMemShared = new pm::SubMetric("Guest/RAM/Usage/Shared", "Amount of shared physical guest RAM.");
9842 pm::SubMetric *guestMemCache = new pm::SubMetric("Guest/RAM/Usage/Cache", "Total amount of guest (disk) cache memory.");
9843
9844 pm::SubMetric *guestPagedTotal = new pm::SubMetric("Guest/Pagefile/Usage/Total", "Total amount of space in the page file.");
9845
9846 /* Create and register base metrics */
9847 pm::BaseMetric *guestCpuLoad = new pm::GuestCpuLoad(mGuestHAL, aMachine, guestLoadUser, guestLoadKernel, guestLoadIdle);
9848 aCollector->registerBaseMetric(guestCpuLoad);
9849
9850 pm::BaseMetric *guestCpuMem = new pm::GuestRamUsage(mGuestHAL, aMachine, guestMemTotal, guestMemFree, guestMemBalloon, guestMemShared,
9851 guestMemCache, guestPagedTotal);
9852 aCollector->registerBaseMetric(guestCpuMem);
9853
9854 aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadUser, 0));
9855 aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadUser, new pm::AggregateAvg()));
9856 aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadUser, new pm::AggregateMin()));
9857 aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadUser, new pm::AggregateMax()));
9858
9859 aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadKernel, 0));
9860 aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadKernel, new pm::AggregateAvg()));
9861 aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadKernel, new pm::AggregateMin()));
9862 aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadKernel, new pm::AggregateMax()));
9863
9864 aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadIdle, 0));
9865 aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadIdle, new pm::AggregateAvg()));
9866 aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadIdle, new pm::AggregateMin()));
9867 aCollector->registerMetric(new pm::Metric(guestCpuLoad, guestLoadIdle, new pm::AggregateMax()));
9868
9869 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemTotal, 0));
9870 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemTotal, new pm::AggregateAvg()));
9871 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemTotal, new pm::AggregateMin()));
9872 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemTotal, new pm::AggregateMax()));
9873
9874 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemFree, 0));
9875 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemFree, new pm::AggregateAvg()));
9876 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemFree, new pm::AggregateMin()));
9877 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemFree, new pm::AggregateMax()));
9878
9879 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemBalloon, 0));
9880 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemBalloon, new pm::AggregateAvg()));
9881 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemBalloon, new pm::AggregateMin()));
9882 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemBalloon, new pm::AggregateMax()));
9883
9884 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemShared, 0));
9885 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemShared, new pm::AggregateAvg()));
9886 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemShared, new pm::AggregateMin()));
9887 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemShared, new pm::AggregateMax()));
9888
9889 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemCache, 0));
9890 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemCache, new pm::AggregateAvg()));
9891 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemCache, new pm::AggregateMin()));
9892 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestMemCache, new pm::AggregateMax()));
9893
9894 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestPagedTotal, 0));
9895 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestPagedTotal, new pm::AggregateAvg()));
9896 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestPagedTotal, new pm::AggregateMin()));
9897 aCollector->registerMetric(new pm::Metric(guestCpuMem, guestPagedTotal, new pm::AggregateMax()));
9898}
9899
9900void Machine::unregisterMetrics(PerformanceCollector *aCollector, Machine *aMachine)
9901{
9902 AssertReturnVoid(isWriteLockOnCurrentThread());
9903
9904 if (aCollector)
9905 {
9906 aCollector->unregisterMetricsFor(aMachine);
9907 aCollector->unregisterBaseMetricsFor(aMachine);
9908 }
9909
9910 if (mGuestHAL)
9911 {
9912 delete mGuestHAL;
9913 mGuestHAL = NULL;
9914 }
9915}
9916
9917#endif /* VBOX_WITH_RESOURCE_USAGE_API */
9918
9919
9920////////////////////////////////////////////////////////////////////////////////
9921
9922DEFINE_EMPTY_CTOR_DTOR(SessionMachine)
9923
9924HRESULT SessionMachine::FinalConstruct()
9925{
9926 LogFlowThisFunc(("\n"));
9927
9928#if defined(RT_OS_WINDOWS)
9929 mIPCSem = NULL;
9930#elif defined(RT_OS_OS2)
9931 mIPCSem = NULLHANDLE;
9932#elif defined(VBOX_WITH_SYS_V_IPC_SESSION_WATCHER)
9933 mIPCSem = -1;
9934#else
9935# error "Port me!"
9936#endif
9937
9938 return S_OK;
9939}
9940
9941void SessionMachine::FinalRelease()
9942{
9943 LogFlowThisFunc(("\n"));
9944
9945 uninit(Uninit::Unexpected);
9946}
9947
9948/**
9949 * @note Must be called only by Machine::openSession() from its own write lock.
9950 */
9951HRESULT SessionMachine::init(Machine *aMachine)
9952{
9953 LogFlowThisFuncEnter();
9954 LogFlowThisFunc(("mName={%s}\n", aMachine->mUserData->s.strName.c_str()));
9955
9956 AssertReturn(aMachine, E_INVALIDARG);
9957
9958 AssertReturn(aMachine->lockHandle()->isWriteLockOnCurrentThread(), E_FAIL);
9959
9960 /* Enclose the state transition NotReady->InInit->Ready */
9961 AutoInitSpan autoInitSpan(this);
9962 AssertReturn(autoInitSpan.isOk(), E_FAIL);
9963
9964 /* create the interprocess semaphore */
9965#if defined(RT_OS_WINDOWS)
9966 mIPCSemName = aMachine->mData->m_strConfigFileFull;
9967 for (size_t i = 0; i < mIPCSemName.length(); i++)
9968 if (mIPCSemName.raw()[i] == '\\')
9969 mIPCSemName.raw()[i] = '/';
9970 mIPCSem = ::CreateMutex(NULL, FALSE, mIPCSemName.raw());
9971 ComAssertMsgRet(mIPCSem,
9972 ("Cannot create IPC mutex '%ls', err=%d",
9973 mIPCSemName.raw(), ::GetLastError()),
9974 E_FAIL);
9975#elif defined(RT_OS_OS2)
9976 Utf8Str ipcSem = Utf8StrFmt("\\SEM32\\VBOX\\VM\\{%RTuuid}",
9977 aMachine->mData->mUuid.raw());
9978 mIPCSemName = ipcSem;
9979 APIRET arc = ::DosCreateMutexSem((PSZ)ipcSem.c_str(), &mIPCSem, 0, FALSE);
9980 ComAssertMsgRet(arc == NO_ERROR,
9981 ("Cannot create IPC mutex '%s', arc=%ld",
9982 ipcSem.c_str(), arc),
9983 E_FAIL);
9984#elif defined(VBOX_WITH_SYS_V_IPC_SESSION_WATCHER)
9985# ifdef VBOX_WITH_NEW_SYS_V_KEYGEN
9986# if defined(RT_OS_FREEBSD) && (HC_ARCH_BITS == 64)
9987 /** @todo Check that this still works correctly. */
9988 AssertCompileSize(key_t, 8);
9989# else
9990 AssertCompileSize(key_t, 4);
9991# endif
9992 key_t key;
9993 mIPCSem = -1;
9994 mIPCKey = "0";
9995 for (uint32_t i = 0; i < 1 << 24; i++)
9996 {
9997 key = ((uint32_t)'V' << 24) | i;
9998 int sem = ::semget(key, 1, S_IRUSR | S_IWUSR | IPC_CREAT | IPC_EXCL);
9999 if (sem >= 0 || (errno != EEXIST && errno != EACCES))
10000 {
10001 mIPCSem = sem;
10002 if (sem >= 0)
10003 mIPCKey = BstrFmt("%u", key);
10004 break;
10005 }
10006 }
10007# else /* !VBOX_WITH_NEW_SYS_V_KEYGEN */
10008 Utf8Str semName = aMachine->mData->m_strConfigFileFull;
10009 char *pszSemName = NULL;
10010 RTStrUtf8ToCurrentCP(&pszSemName, semName);
10011 key_t key = ::ftok(pszSemName, 'V');
10012 RTStrFree(pszSemName);
10013
10014 mIPCSem = ::semget(key, 1, S_IRWXU | S_IRWXG | S_IRWXO | IPC_CREAT);
10015# endif /* !VBOX_WITH_NEW_SYS_V_KEYGEN */
10016
10017 int errnoSave = errno;
10018 if (mIPCSem < 0 && errnoSave == ENOSYS)
10019 {
10020 setError(E_FAIL,
10021 tr("Cannot create IPC semaphore. Most likely your host kernel lacks "
10022 "support for SysV IPC. Check the host kernel configuration for "
10023 "CONFIG_SYSVIPC=y"));
10024 return E_FAIL;
10025 }
10026 /* ENOSPC can also be the result of VBoxSVC crashes without properly freeing
10027 * the IPC semaphores */
10028 if (mIPCSem < 0 && errnoSave == ENOSPC)
10029 {
10030#ifdef RT_OS_LINUX
10031 setError(E_FAIL,
10032 tr("Cannot create IPC semaphore because the system limit for the "
10033 "maximum number of semaphore sets (SEMMNI), or the system wide "
10034 "maximum number of semaphores (SEMMNS) would be exceeded. The "
10035 "current set of SysV IPC semaphores can be determined from "
10036 "the file /proc/sysvipc/sem"));
10037#else
10038 setError(E_FAIL,
10039 tr("Cannot create IPC semaphore because the system-imposed limit "
10040 "on the maximum number of allowed semaphores or semaphore "
10041 "identifiers system-wide would be exceeded"));
10042#endif
10043 return E_FAIL;
10044 }
10045 ComAssertMsgRet(mIPCSem >= 0, ("Cannot create IPC semaphore, errno=%d", errnoSave),
10046 E_FAIL);
10047 /* set the initial value to 1 */
10048 int rv = ::semctl(mIPCSem, 0, SETVAL, 1);
10049 ComAssertMsgRet(rv == 0, ("Cannot init IPC semaphore, errno=%d", errno),
10050 E_FAIL);
10051#else
10052# error "Port me!"
10053#endif
10054
10055 /* memorize the peer Machine */
10056 unconst(mPeer) = aMachine;
10057 /* share the parent pointer */
10058 unconst(mParent) = aMachine->mParent;
10059
10060 /* take the pointers to data to share */
10061 mData.share(aMachine->mData);
10062 mSSData.share(aMachine->mSSData);
10063
10064 mUserData.share(aMachine->mUserData);
10065 mHWData.share(aMachine->mHWData);
10066 mMediaData.share(aMachine->mMediaData);
10067
10068 mStorageControllers.allocate();
10069 for (StorageControllerList::const_iterator it = aMachine->mStorageControllers->begin();
10070 it != aMachine->mStorageControllers->end();
10071 ++it)
10072 {
10073 ComObjPtr<StorageController> ctl;
10074 ctl.createObject();
10075 ctl->init(this, *it);
10076 mStorageControllers->push_back(ctl);
10077 }
10078
10079 unconst(mBIOSSettings).createObject();
10080 mBIOSSettings->init(this, aMachine->mBIOSSettings);
10081 /* create another VRDEServer object that will be mutable */
10082 unconst(mVRDEServer).createObject();
10083 mVRDEServer->init(this, aMachine->mVRDEServer);
10084 /* create another audio adapter object that will be mutable */
10085 unconst(mAudioAdapter).createObject();
10086 mAudioAdapter->init(this, aMachine->mAudioAdapter);
10087 /* create a list of serial ports that will be mutable */
10088 for (ULONG slot = 0; slot < RT_ELEMENTS(mSerialPorts); slot++)
10089 {
10090 unconst(mSerialPorts[slot]).createObject();
10091 mSerialPorts[slot]->init(this, aMachine->mSerialPorts[slot]);
10092 }
10093 /* create a list of parallel ports that will be mutable */
10094 for (ULONG slot = 0; slot < RT_ELEMENTS(mParallelPorts); slot++)
10095 {
10096 unconst(mParallelPorts[slot]).createObject();
10097 mParallelPorts[slot]->init(this, aMachine->mParallelPorts[slot]);
10098 }
10099 /* create another USB controller object that will be mutable */
10100 unconst(mUSBController).createObject();
10101 mUSBController->init(this, aMachine->mUSBController);
10102
10103 /* create a list of network adapters that will be mutable */
10104 for (ULONG slot = 0; slot < RT_ELEMENTS(mNetworkAdapters); slot++)
10105 {
10106 unconst(mNetworkAdapters[slot]).createObject();
10107 mNetworkAdapters[slot]->init(this, aMachine->mNetworkAdapters[slot]);
10108 }
10109
10110 /* create another bandwidth control object that will be mutable */
10111 unconst(mBandwidthControl).createObject();
10112 mBandwidthControl->init(this, aMachine->mBandwidthControl);
10113
10114 /* default is to delete saved state on Saved -> PoweredOff transition */
10115 mRemoveSavedState = true;
10116
10117 /* Confirm a successful initialization when it's the case */
10118 autoInitSpan.setSucceeded();
10119
10120 LogFlowThisFuncLeave();
10121 return S_OK;
10122}
10123
10124/**
10125 * Uninitializes this session object. If the reason is other than
10126 * Uninit::Unexpected, then this method MUST be called from #checkForDeath().
10127 *
10128 * @param aReason uninitialization reason
10129 *
10130 * @note Locks mParent + this object for writing.
10131 */
10132void SessionMachine::uninit(Uninit::Reason aReason)
10133{
10134 LogFlowThisFuncEnter();
10135 LogFlowThisFunc(("reason=%d\n", aReason));
10136
10137 /*
10138 * Strongly reference ourselves to prevent this object deletion after
10139 * mData->mSession.mMachine.setNull() below (which can release the last
10140 * reference and call the destructor). Important: this must be done before
10141 * accessing any members (and before AutoUninitSpan that does it as well).
10142 * This self reference will be released as the very last step on return.
10143 */
10144 ComObjPtr<SessionMachine> selfRef = this;
10145
10146 /* Enclose the state transition Ready->InUninit->NotReady */
10147 AutoUninitSpan autoUninitSpan(this);
10148 if (autoUninitSpan.uninitDone())
10149 {
10150 LogFlowThisFunc(("Already uninitialized\n"));
10151 LogFlowThisFuncLeave();
10152 return;
10153 }
10154
10155 if (autoUninitSpan.initFailed())
10156 {
10157 /* We've been called by init() because it's failed. It's not really
10158 * necessary (nor it's safe) to perform the regular uninit sequence
10159 * below, the following is enough.
10160 */
10161 LogFlowThisFunc(("Initialization failed.\n"));
10162#if defined(RT_OS_WINDOWS)
10163 if (mIPCSem)
10164 ::CloseHandle(mIPCSem);
10165 mIPCSem = NULL;
10166#elif defined(RT_OS_OS2)
10167 if (mIPCSem != NULLHANDLE)
10168 ::DosCloseMutexSem(mIPCSem);
10169 mIPCSem = NULLHANDLE;
10170#elif defined(VBOX_WITH_SYS_V_IPC_SESSION_WATCHER)
10171 if (mIPCSem >= 0)
10172 ::semctl(mIPCSem, 0, IPC_RMID);
10173 mIPCSem = -1;
10174# ifdef VBOX_WITH_NEW_SYS_V_KEYGEN
10175 mIPCKey = "0";
10176# endif /* VBOX_WITH_NEW_SYS_V_KEYGEN */
10177#else
10178# error "Port me!"
10179#endif
10180 uninitDataAndChildObjects();
10181 mData.free();
10182 unconst(mParent) = NULL;
10183 unconst(mPeer) = NULL;
10184 LogFlowThisFuncLeave();
10185 return;
10186 }
10187
10188 MachineState_T lastState;
10189 {
10190 AutoReadLock tempLock(this COMMA_LOCKVAL_SRC_POS);
10191 lastState = mData->mMachineState;
10192 }
10193 NOREF(lastState);
10194
10195#ifdef VBOX_WITH_USB
10196 // release all captured USB devices, but do this before requesting the locks below
10197 if (aReason == Uninit::Abnormal && Global::IsOnline(lastState))
10198 {
10199 /* Console::captureUSBDevices() is called in the VM process only after
10200 * setting the machine state to Starting or Restoring.
10201 * Console::detachAllUSBDevices() will be called upon successful
10202 * termination. So, we need to release USB devices only if there was
10203 * an abnormal termination of a running VM.
10204 *
10205 * This is identical to SessionMachine::DetachAllUSBDevices except
10206 * for the aAbnormal argument. */
10207 HRESULT rc = mUSBController->notifyProxy(false /* aInsertFilters */);
10208 AssertComRC(rc);
10209 NOREF(rc);
10210
10211 USBProxyService *service = mParent->host()->usbProxyService();
10212 if (service)
10213 service->detachAllDevicesFromVM(this, true /* aDone */, true /* aAbnormal */);
10214 }
10215#endif /* VBOX_WITH_USB */
10216
10217 // we need to lock this object in uninit() because the lock is shared
10218 // with mPeer (as well as data we modify below). mParent->addProcessToReap()
10219 // and others need mParent lock, and USB needs host lock.
10220 AutoMultiWriteLock3 multilock(mParent, mParent->host(), this COMMA_LOCKVAL_SRC_POS);
10221
10222 // Trigger async cleanup tasks, avoid doing things here which are not
10223 // vital to be done immediately and maybe need more locks. This calls
10224 // Machine::unregisterMetrics().
10225 mParent->onMachineUninit(mPeer);
10226
10227 if (aReason == Uninit::Abnormal)
10228 {
10229 LogWarningThisFunc(("ABNORMAL client termination! (wasBusy=%d)\n",
10230 Global::IsOnlineOrTransient(lastState)));
10231
10232 /* reset the state to Aborted */
10233 if (mData->mMachineState != MachineState_Aborted)
10234 setMachineState(MachineState_Aborted);
10235 }
10236
10237 // any machine settings modified?
10238 if (mData->flModifications)
10239 {
10240 LogWarningThisFunc(("Discarding unsaved settings changes!\n"));
10241 rollback(false /* aNotify */);
10242 }
10243
10244 Assert(mConsoleTaskData.mStateFilePath.isEmpty() || !mConsoleTaskData.mSnapshot);
10245 if (!mConsoleTaskData.mStateFilePath.isEmpty())
10246 {
10247 LogWarningThisFunc(("canceling failed save state request!\n"));
10248 endSavingState(E_FAIL, tr("Machine terminated with pending save state!"));
10249 }
10250 else if (!mConsoleTaskData.mSnapshot.isNull())
10251 {
10252 LogWarningThisFunc(("canceling untaken snapshot!\n"));
10253
10254 /* delete all differencing hard disks created (this will also attach
10255 * their parents back by rolling back mMediaData) */
10256 rollbackMedia();
10257 /* delete the saved state file (it might have been already created) */
10258 if (mConsoleTaskData.mSnapshot->stateFilePath().length())
10259 RTFileDelete(mConsoleTaskData.mSnapshot->stateFilePath().c_str());
10260
10261 mConsoleTaskData.mSnapshot->uninit();
10262 }
10263
10264 if (!mData->mSession.mType.isEmpty())
10265 {
10266 /* mType is not null when this machine's process has been started by
10267 * Machine::launchVMProcess(), therefore it is our child. We
10268 * need to queue the PID to reap the process (and avoid zombies on
10269 * Linux). */
10270 Assert(mData->mSession.mPid != NIL_RTPROCESS);
10271 mParent->addProcessToReap(mData->mSession.mPid);
10272 }
10273
10274 mData->mSession.mPid = NIL_RTPROCESS;
10275
10276 if (aReason == Uninit::Unexpected)
10277 {
10278 /* Uninitialization didn't come from #checkForDeath(), so tell the
10279 * client watcher thread to update the set of machines that have open
10280 * sessions. */
10281 mParent->updateClientWatcher();
10282 }
10283
10284 /* uninitialize all remote controls */
10285 if (mData->mSession.mRemoteControls.size())
10286 {
10287 LogFlowThisFunc(("Closing remote sessions (%d):\n",
10288 mData->mSession.mRemoteControls.size()));
10289
10290 Data::Session::RemoteControlList::iterator it =
10291 mData->mSession.mRemoteControls.begin();
10292 while (it != mData->mSession.mRemoteControls.end())
10293 {
10294 LogFlowThisFunc((" Calling remoteControl->Uninitialize()...\n"));
10295 HRESULT rc = (*it)->Uninitialize();
10296 LogFlowThisFunc((" remoteControl->Uninitialize() returned %08X\n", rc));
10297 if (FAILED(rc))
10298 LogWarningThisFunc(("Forgot to close the remote session?\n"));
10299 ++it;
10300 }
10301 mData->mSession.mRemoteControls.clear();
10302 }
10303
10304 /*
10305 * An expected uninitialization can come only from #checkForDeath().
10306 * Otherwise it means that something's gone really wrong (for example,
10307 * the Session implementation has released the VirtualBox reference
10308 * before it triggered #OnSessionEnd(), or before releasing IPC semaphore,
10309 * etc). However, it's also possible, that the client releases the IPC
10310 * semaphore correctly (i.e. before it releases the VirtualBox reference),
10311 * but the VirtualBox release event comes first to the server process.
10312 * This case is practically possible, so we should not assert on an
10313 * unexpected uninit, just log a warning.
10314 */
10315
10316 if ((aReason == Uninit::Unexpected))
10317 LogWarningThisFunc(("Unexpected SessionMachine uninitialization!\n"));
10318
10319 if (aReason != Uninit::Normal)
10320 {
10321 mData->mSession.mDirectControl.setNull();
10322 }
10323 else
10324 {
10325 /* this must be null here (see #OnSessionEnd()) */
10326 Assert(mData->mSession.mDirectControl.isNull());
10327 Assert(mData->mSession.mState == SessionState_Unlocking);
10328 Assert(!mData->mSession.mProgress.isNull());
10329 }
10330 if (mData->mSession.mProgress)
10331 {
10332 if (aReason == Uninit::Normal)
10333 mData->mSession.mProgress->notifyComplete(S_OK);
10334 else
10335 mData->mSession.mProgress->notifyComplete(E_FAIL,
10336 COM_IIDOF(ISession),
10337 getComponentName(),
10338 tr("The VM session was aborted"));
10339 mData->mSession.mProgress.setNull();
10340 }
10341
10342 /* remove the association between the peer machine and this session machine */
10343 Assert( (SessionMachine*)mData->mSession.mMachine == this
10344 || aReason == Uninit::Unexpected);
10345
10346 /* reset the rest of session data */
10347 mData->mSession.mMachine.setNull();
10348 mData->mSession.mState = SessionState_Unlocked;
10349 mData->mSession.mType.setNull();
10350
10351 /* close the interprocess semaphore before leaving the exclusive lock */
10352#if defined(RT_OS_WINDOWS)
10353 if (mIPCSem)
10354 ::CloseHandle(mIPCSem);
10355 mIPCSem = NULL;
10356#elif defined(RT_OS_OS2)
10357 if (mIPCSem != NULLHANDLE)
10358 ::DosCloseMutexSem(mIPCSem);
10359 mIPCSem = NULLHANDLE;
10360#elif defined(VBOX_WITH_SYS_V_IPC_SESSION_WATCHER)
10361 if (mIPCSem >= 0)
10362 ::semctl(mIPCSem, 0, IPC_RMID);
10363 mIPCSem = -1;
10364# ifdef VBOX_WITH_NEW_SYS_V_KEYGEN
10365 mIPCKey = "0";
10366# endif /* VBOX_WITH_NEW_SYS_V_KEYGEN */
10367#else
10368# error "Port me!"
10369#endif
10370
10371 /* fire an event */
10372 mParent->onSessionStateChange(mData->mUuid, SessionState_Unlocked);
10373
10374 uninitDataAndChildObjects();
10375
10376 /* free the essential data structure last */
10377 mData.free();
10378
10379#if 1 /** @todo Please review this change! (bird) */
10380 /* drop the exclusive lock before setting the below two to NULL */
10381 multilock.release();
10382#else
10383 /* leave the exclusive lock before setting the below two to NULL */
10384 multilock.leave();
10385#endif
10386
10387 unconst(mParent) = NULL;
10388 unconst(mPeer) = NULL;
10389
10390 LogFlowThisFuncLeave();
10391}
10392
10393// util::Lockable interface
10394////////////////////////////////////////////////////////////////////////////////
10395
10396/**
10397 * Overrides VirtualBoxBase::lockHandle() in order to share the lock handle
10398 * with the primary Machine instance (mPeer).
10399 */
10400RWLockHandle *SessionMachine::lockHandle() const
10401{
10402 AssertReturn(mPeer != NULL, NULL);
10403 return mPeer->lockHandle();
10404}
10405
10406// IInternalMachineControl methods
10407////////////////////////////////////////////////////////////////////////////////
10408
10409/**
10410 * @note Locks this object for writing.
10411 */
10412STDMETHODIMP SessionMachine::SetRemoveSavedStateFile(BOOL aRemove)
10413{
10414 AutoCaller autoCaller(this);
10415 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
10416
10417 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
10418
10419 mRemoveSavedState = aRemove;
10420
10421 return S_OK;
10422}
10423
10424/**
10425 * @note Locks the same as #setMachineState() does.
10426 */
10427STDMETHODIMP SessionMachine::UpdateState(MachineState_T aMachineState)
10428{
10429 return setMachineState(aMachineState);
10430}
10431
10432/**
10433 * @note Locks this object for reading.
10434 */
10435STDMETHODIMP SessionMachine::GetIPCId(BSTR *aId)
10436{
10437 AutoCaller autoCaller(this);
10438 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
10439
10440 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
10441
10442#if defined(RT_OS_WINDOWS) || defined(RT_OS_OS2)
10443 mIPCSemName.cloneTo(aId);
10444 return S_OK;
10445#elif defined(VBOX_WITH_SYS_V_IPC_SESSION_WATCHER)
10446# ifdef VBOX_WITH_NEW_SYS_V_KEYGEN
10447 mIPCKey.cloneTo(aId);
10448# else /* !VBOX_WITH_NEW_SYS_V_KEYGEN */
10449 mData->m_strConfigFileFull.cloneTo(aId);
10450# endif /* !VBOX_WITH_NEW_SYS_V_KEYGEN */
10451 return S_OK;
10452#else
10453# error "Port me!"
10454#endif
10455}
10456
10457/**
10458 * @note Locks this object for writing.
10459 */
10460STDMETHODIMP SessionMachine::BeginPowerUp(IProgress *aProgress)
10461{
10462 LogFlowThisFunc(("aProgress=%p\n", aProgress));
10463 AutoCaller autoCaller(this);
10464 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
10465
10466 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
10467
10468 if (mData->mSession.mState != SessionState_Locked)
10469 return VBOX_E_INVALID_OBJECT_STATE;
10470
10471 if (!mData->mSession.mProgress.isNull())
10472 mData->mSession.mProgress->setOtherProgressObject(aProgress);
10473
10474 LogFlowThisFunc(("returns S_OK.\n"));
10475 return S_OK;
10476}
10477
10478
10479/**
10480 * @note Locks this object for writing.
10481 */
10482STDMETHODIMP SessionMachine::EndPowerUp(LONG iResult)
10483{
10484 AutoCaller autoCaller(this);
10485 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
10486
10487 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
10488
10489 if (mData->mSession.mState != SessionState_Locked)
10490 return VBOX_E_INVALID_OBJECT_STATE;
10491
10492 /* Finalize the openRemoteSession progress object. */
10493 if (mData->mSession.mProgress)
10494 {
10495 mData->mSession.mProgress->notifyComplete((HRESULT)iResult);
10496 mData->mSession.mProgress.setNull();
10497 }
10498
10499 if (SUCCEEDED((HRESULT)iResult))
10500 {
10501#ifdef VBOX_WITH_RESOURCE_USAGE_API
10502 /* The VM has been powered up successfully, so it makes sense
10503 * now to offer the performance metrics for a running machine
10504 * object. Doing it earlier wouldn't be safe. */
10505 registerMetrics(mParent->performanceCollector(), mPeer,
10506 mData->mSession.mPid);
10507#endif /* VBOX_WITH_RESOURCE_USAGE_API */
10508 }
10509
10510 return S_OK;
10511}
10512
10513/**
10514 * Goes through the USB filters of the given machine to see if the given
10515 * device matches any filter or not.
10516 *
10517 * @note Locks the same as USBController::hasMatchingFilter() does.
10518 */
10519STDMETHODIMP SessionMachine::RunUSBDeviceFilters(IUSBDevice *aUSBDevice,
10520 BOOL *aMatched,
10521 ULONG *aMaskedIfs)
10522{
10523 LogFlowThisFunc(("\n"));
10524
10525 CheckComArgNotNull(aUSBDevice);
10526 CheckComArgOutPointerValid(aMatched);
10527
10528 AutoCaller autoCaller(this);
10529 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
10530
10531#ifdef VBOX_WITH_USB
10532 *aMatched = mUSBController->hasMatchingFilter(aUSBDevice, aMaskedIfs);
10533#else
10534 NOREF(aUSBDevice);
10535 NOREF(aMaskedIfs);
10536 *aMatched = FALSE;
10537#endif
10538
10539 return S_OK;
10540}
10541
10542/**
10543 * @note Locks the same as Host::captureUSBDevice() does.
10544 */
10545STDMETHODIMP SessionMachine::CaptureUSBDevice(IN_BSTR aId)
10546{
10547 LogFlowThisFunc(("\n"));
10548
10549 AutoCaller autoCaller(this);
10550 AssertComRCReturnRC(autoCaller.rc());
10551
10552#ifdef VBOX_WITH_USB
10553 /* if captureDeviceForVM() fails, it must have set extended error info */
10554 MultiResult rc = mParent->host()->checkUSBProxyService();
10555 if (FAILED(rc)) return rc;
10556
10557 USBProxyService *service = mParent->host()->usbProxyService();
10558 AssertReturn(service, E_FAIL);
10559 return service->captureDeviceForVM(this, Guid(aId).ref());
10560#else
10561 NOREF(aId);
10562 return E_NOTIMPL;
10563#endif
10564}
10565
10566/**
10567 * @note Locks the same as Host::detachUSBDevice() does.
10568 */
10569STDMETHODIMP SessionMachine::DetachUSBDevice(IN_BSTR aId, BOOL aDone)
10570{
10571 LogFlowThisFunc(("\n"));
10572
10573 AutoCaller autoCaller(this);
10574 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
10575
10576#ifdef VBOX_WITH_USB
10577 USBProxyService *service = mParent->host()->usbProxyService();
10578 AssertReturn(service, E_FAIL);
10579 return service->detachDeviceFromVM(this, Guid(aId).ref(), !!aDone);
10580#else
10581 NOREF(aId);
10582 NOREF(aDone);
10583 return E_NOTIMPL;
10584#endif
10585}
10586
10587/**
10588 * Inserts all machine filters to the USB proxy service and then calls
10589 * Host::autoCaptureUSBDevices().
10590 *
10591 * Called by Console from the VM process upon VM startup.
10592 *
10593 * @note Locks what called methods lock.
10594 */
10595STDMETHODIMP SessionMachine::AutoCaptureUSBDevices()
10596{
10597 LogFlowThisFunc(("\n"));
10598
10599 AutoCaller autoCaller(this);
10600 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
10601
10602#ifdef VBOX_WITH_USB
10603 HRESULT rc = mUSBController->notifyProxy(true /* aInsertFilters */);
10604 AssertComRC(rc);
10605 NOREF(rc);
10606
10607 USBProxyService *service = mParent->host()->usbProxyService();
10608 AssertReturn(service, E_FAIL);
10609 return service->autoCaptureDevicesForVM(this);
10610#else
10611 return S_OK;
10612#endif
10613}
10614
10615/**
10616 * Removes all machine filters from the USB proxy service and then calls
10617 * Host::detachAllUSBDevices().
10618 *
10619 * Called by Console from the VM process upon normal VM termination or by
10620 * SessionMachine::uninit() upon abnormal VM termination (from under the
10621 * Machine/SessionMachine lock).
10622 *
10623 * @note Locks what called methods lock.
10624 */
10625STDMETHODIMP SessionMachine::DetachAllUSBDevices(BOOL aDone)
10626{
10627 LogFlowThisFunc(("\n"));
10628
10629 AutoCaller autoCaller(this);
10630 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
10631
10632#ifdef VBOX_WITH_USB
10633 HRESULT rc = mUSBController->notifyProxy(false /* aInsertFilters */);
10634 AssertComRC(rc);
10635 NOREF(rc);
10636
10637 USBProxyService *service = mParent->host()->usbProxyService();
10638 AssertReturn(service, E_FAIL);
10639 return service->detachAllDevicesFromVM(this, !!aDone, false /* aAbnormal */);
10640#else
10641 NOREF(aDone);
10642 return S_OK;
10643#endif
10644}
10645
10646/**
10647 * @note Locks this object for writing.
10648 */
10649STDMETHODIMP SessionMachine::OnSessionEnd(ISession *aSession,
10650 IProgress **aProgress)
10651{
10652 LogFlowThisFuncEnter();
10653
10654 AssertReturn(aSession, E_INVALIDARG);
10655 AssertReturn(aProgress, E_INVALIDARG);
10656
10657 AutoCaller autoCaller(this);
10658
10659 LogFlowThisFunc(("callerstate=%d\n", autoCaller.state()));
10660 /*
10661 * We don't assert below because it might happen that a non-direct session
10662 * informs us it is closed right after we've been uninitialized -- it's ok.
10663 */
10664 if (FAILED(autoCaller.rc())) return autoCaller.rc();
10665
10666 /* get IInternalSessionControl interface */
10667 ComPtr<IInternalSessionControl> control(aSession);
10668
10669 ComAssertRet(!control.isNull(), E_INVALIDARG);
10670
10671 /* Creating a Progress object requires the VirtualBox lock, and
10672 * thus locking it here is required by the lock order rules. */
10673 AutoMultiWriteLock2 alock(mParent->lockHandle(), this->lockHandle() COMMA_LOCKVAL_SRC_POS);
10674
10675 if (control == mData->mSession.mDirectControl)
10676 {
10677 ComAssertRet(aProgress, E_POINTER);
10678
10679 /* The direct session is being normally closed by the client process
10680 * ----------------------------------------------------------------- */
10681
10682 /* go to the closing state (essential for all open*Session() calls and
10683 * for #checkForDeath()) */
10684 Assert(mData->mSession.mState == SessionState_Locked);
10685 mData->mSession.mState = SessionState_Unlocking;
10686
10687 /* set direct control to NULL to release the remote instance */
10688 mData->mSession.mDirectControl.setNull();
10689 LogFlowThisFunc(("Direct control is set to NULL\n"));
10690
10691 if (mData->mSession.mProgress)
10692 {
10693 /* finalize the progress, someone might wait if a frontend
10694 * closes the session before powering on the VM. */
10695 mData->mSession.mProgress->notifyComplete(E_FAIL,
10696 COM_IIDOF(ISession),
10697 getComponentName(),
10698 tr("The VM session was closed before any attempt to power it on"));
10699 mData->mSession.mProgress.setNull();
10700 }
10701
10702 /* Create the progress object the client will use to wait until
10703 * #checkForDeath() is called to uninitialize this session object after
10704 * it releases the IPC semaphore.
10705 * Note! Because we're "reusing" mProgress here, this must be a proxy
10706 * object just like for openRemoteSession. */
10707 Assert(mData->mSession.mProgress.isNull());
10708 ComObjPtr<ProgressProxy> progress;
10709 progress.createObject();
10710 ComPtr<IUnknown> pPeer(mPeer);
10711 progress->init(mParent, pPeer,
10712 Bstr(tr("Closing session")).raw(),
10713 FALSE /* aCancelable */);
10714 progress.queryInterfaceTo(aProgress);
10715 mData->mSession.mProgress = progress;
10716 }
10717 else
10718 {
10719 /* the remote session is being normally closed */
10720 Data::Session::RemoteControlList::iterator it =
10721 mData->mSession.mRemoteControls.begin();
10722 while (it != mData->mSession.mRemoteControls.end())
10723 {
10724 if (control == *it)
10725 break;
10726 ++it;
10727 }
10728 BOOL found = it != mData->mSession.mRemoteControls.end();
10729 ComAssertMsgRet(found, ("The session is not found in the session list!"),
10730 E_INVALIDARG);
10731 mData->mSession.mRemoteControls.remove(*it);
10732 }
10733
10734 LogFlowThisFuncLeave();
10735 return S_OK;
10736}
10737
10738/**
10739 * @note Locks this object for writing.
10740 */
10741STDMETHODIMP SessionMachine::BeginSavingState(IProgress **aProgress, BSTR *aStateFilePath)
10742{
10743 LogFlowThisFuncEnter();
10744
10745 CheckComArgOutPointerValid(aProgress);
10746 CheckComArgOutPointerValid(aStateFilePath);
10747
10748 AutoCaller autoCaller(this);
10749 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
10750
10751 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
10752
10753 AssertReturn( mData->mMachineState == MachineState_Paused
10754 && mConsoleTaskData.mLastState == MachineState_Null
10755 && mConsoleTaskData.mStateFilePath.isEmpty(),
10756 E_FAIL);
10757
10758 /* create a progress object to track operation completion */
10759 ComObjPtr<Progress> pProgress;
10760 pProgress.createObject();
10761 pProgress->init(getVirtualBox(),
10762 static_cast<IMachine *>(this) /* aInitiator */,
10763 Bstr(tr("Saving the execution state of the virtual machine")).raw(),
10764 FALSE /* aCancelable */);
10765
10766 Bstr stateFilePath;
10767 /* stateFilePath is null when the machine is not running */
10768 if (mData->mMachineState == MachineState_Paused)
10769 {
10770 Utf8Str strFullSnapshotFolder;
10771 calculateFullPath(mUserData->s.strSnapshotFolder, strFullSnapshotFolder);
10772 stateFilePath = Utf8StrFmt("%s%c{%RTuuid}.sav",
10773 strFullSnapshotFolder.c_str(),
10774 RTPATH_DELIMITER,
10775 mData->mUuid.raw());
10776 }
10777
10778 /* fill in the snapshot data */
10779 mConsoleTaskData.mLastState = mData->mMachineState;
10780 mConsoleTaskData.mStateFilePath = stateFilePath;
10781 mConsoleTaskData.mProgress = pProgress;
10782
10783 /* set the state to Saving (this is expected by Console::SaveState()) */
10784 setMachineState(MachineState_Saving);
10785
10786 stateFilePath.cloneTo(aStateFilePath);
10787 pProgress.queryInterfaceTo(aProgress);
10788
10789 return S_OK;
10790}
10791
10792/**
10793 * @note Locks mParent + this object for writing.
10794 */
10795STDMETHODIMP SessionMachine::EndSavingState(LONG iResult, IN_BSTR aErrMsg)
10796{
10797 LogFlowThisFunc(("\n"));
10798
10799 AutoCaller autoCaller(this);
10800 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
10801
10802 /* endSavingState() need mParent lock */
10803 AutoMultiWriteLock2 alock(mParent, this COMMA_LOCKVAL_SRC_POS);
10804
10805 AssertReturn( ( (SUCCEEDED(iResult) && mData->mMachineState == MachineState_Saved)
10806 || (FAILED(iResult) && mData->mMachineState == MachineState_Saving))
10807 && mConsoleTaskData.mLastState != MachineState_Null
10808 && !mConsoleTaskData.mStateFilePath.isEmpty(),
10809 E_FAIL);
10810
10811 /*
10812 * On failure, set the state to the state we had when BeginSavingState()
10813 * was called (this is expected by Console::SaveState() and the associated
10814 * task). On success the VM process already changed the state to
10815 * MachineState_Saved, so no need to do anything.
10816 */
10817 if (FAILED(iResult))
10818 setMachineState(mConsoleTaskData.mLastState);
10819
10820 return endSavingState(iResult, aErrMsg);
10821}
10822
10823/**
10824 * @note Locks this object for writing.
10825 */
10826STDMETHODIMP SessionMachine::AdoptSavedState(IN_BSTR aSavedStateFile)
10827{
10828 LogFlowThisFunc(("\n"));
10829
10830 CheckComArgStrNotEmptyOrNull(aSavedStateFile);
10831
10832 AutoCaller autoCaller(this);
10833 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
10834
10835 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
10836
10837 AssertReturn( mData->mMachineState == MachineState_PoweredOff
10838 || mData->mMachineState == MachineState_Teleported
10839 || mData->mMachineState == MachineState_Aborted
10840 , E_FAIL); /** @todo setError. */
10841
10842 Utf8Str stateFilePathFull = aSavedStateFile;
10843 int vrc = calculateFullPath(stateFilePathFull, stateFilePathFull);
10844 if (RT_FAILURE(vrc))
10845 return setError(VBOX_E_FILE_ERROR,
10846 tr("Invalid saved state file path '%ls' (%Rrc)"),
10847 aSavedStateFile,
10848 vrc);
10849
10850 mSSData->mStateFilePath = stateFilePathFull;
10851
10852 /* The below setMachineState() will detect the state transition and will
10853 * update the settings file */
10854
10855 return setMachineState(MachineState_Saved);
10856}
10857
10858STDMETHODIMP SessionMachine::PullGuestProperties(ComSafeArrayOut(BSTR, aNames),
10859 ComSafeArrayOut(BSTR, aValues),
10860 ComSafeArrayOut(LONG64, aTimestamps),
10861 ComSafeArrayOut(BSTR, aFlags))
10862{
10863 LogFlowThisFunc(("\n"));
10864
10865#ifdef VBOX_WITH_GUEST_PROPS
10866 using namespace guestProp;
10867
10868 AutoCaller autoCaller(this);
10869 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
10870
10871 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
10872
10873 AssertReturn(!ComSafeArrayOutIsNull(aNames), E_POINTER);
10874 AssertReturn(!ComSafeArrayOutIsNull(aValues), E_POINTER);
10875 AssertReturn(!ComSafeArrayOutIsNull(aTimestamps), E_POINTER);
10876 AssertReturn(!ComSafeArrayOutIsNull(aFlags), E_POINTER);
10877
10878 size_t cEntries = mHWData->mGuestProperties.size();
10879 com::SafeArray<BSTR> names(cEntries);
10880 com::SafeArray<BSTR> values(cEntries);
10881 com::SafeArray<LONG64> timestamps(cEntries);
10882 com::SafeArray<BSTR> flags(cEntries);
10883 unsigned i = 0;
10884 for (HWData::GuestPropertyList::iterator it = mHWData->mGuestProperties.begin();
10885 it != mHWData->mGuestProperties.end();
10886 ++it)
10887 {
10888 char szFlags[MAX_FLAGS_LEN + 1];
10889 it->strName.cloneTo(&names[i]);
10890 it->strValue.cloneTo(&values[i]);
10891 timestamps[i] = it->mTimestamp;
10892 /* If it is NULL, keep it NULL. */
10893 if (it->mFlags)
10894 {
10895 writeFlags(it->mFlags, szFlags);
10896 Bstr(szFlags).cloneTo(&flags[i]);
10897 }
10898 else
10899 flags[i] = NULL;
10900 ++i;
10901 }
10902 names.detachTo(ComSafeArrayOutArg(aNames));
10903 values.detachTo(ComSafeArrayOutArg(aValues));
10904 timestamps.detachTo(ComSafeArrayOutArg(aTimestamps));
10905 flags.detachTo(ComSafeArrayOutArg(aFlags));
10906 return S_OK;
10907#else
10908 ReturnComNotImplemented();
10909#endif
10910}
10911
10912STDMETHODIMP SessionMachine::PushGuestProperty(IN_BSTR aName,
10913 IN_BSTR aValue,
10914 LONG64 aTimestamp,
10915 IN_BSTR aFlags)
10916{
10917 LogFlowThisFunc(("\n"));
10918
10919#ifdef VBOX_WITH_GUEST_PROPS
10920 using namespace guestProp;
10921
10922 CheckComArgStrNotEmptyOrNull(aName);
10923 if (aValue != NULL && (!VALID_PTR(aValue) || !VALID_PTR(aFlags)))
10924 return E_POINTER; /* aValue can be NULL to indicate deletion */
10925
10926 try
10927 {
10928 /*
10929 * Convert input up front.
10930 */
10931 Utf8Str utf8Name(aName);
10932 uint32_t fFlags = NILFLAG;
10933 if (aFlags)
10934 {
10935 Utf8Str utf8Flags(aFlags);
10936 int vrc = validateFlags(utf8Flags.c_str(), &fFlags);
10937 AssertRCReturn(vrc, E_INVALIDARG);
10938 }
10939
10940 /*
10941 * Now grab the object lock, validate the state and do the update.
10942 */
10943 AutoCaller autoCaller(this);
10944 if (FAILED(autoCaller.rc())) return autoCaller.rc();
10945
10946 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
10947
10948 switch (mData->mMachineState)
10949 {
10950 case MachineState_Paused:
10951 case MachineState_Running:
10952 case MachineState_Teleporting:
10953 case MachineState_TeleportingPausedVM:
10954 case MachineState_LiveSnapshotting:
10955 case MachineState_DeletingSnapshotOnline:
10956 case MachineState_DeletingSnapshotPaused:
10957 case MachineState_Saving:
10958 break;
10959
10960 default:
10961#ifndef DEBUG_sunlover
10962 AssertMsgFailedReturn(("%s\n", Global::stringifyMachineState(mData->mMachineState)),
10963 VBOX_E_INVALID_VM_STATE);
10964#else
10965 return VBOX_E_INVALID_VM_STATE;
10966#endif
10967 }
10968
10969 setModified(IsModified_MachineData);
10970 mHWData.backup();
10971
10972 /** @todo r=bird: The careful memory handling doesn't work out here because
10973 * the catch block won't undo any damage we've done. So, if push_back throws
10974 * bad_alloc then you've lost the value.
10975 *
10976 * Another thing. Doing a linear search here isn't extremely efficient, esp.
10977 * since values that changes actually bubbles to the end of the list. Using
10978 * something that has an efficient lookup and can tolerate a bit of updates
10979 * would be nice. RTStrSpace is one suggestion (it's not perfect). Some
10980 * combination of RTStrCache (for sharing names and getting uniqueness into
10981 * the bargain) and hash/tree is another. */
10982 for (HWData::GuestPropertyList::iterator iter = mHWData->mGuestProperties.begin();
10983 iter != mHWData->mGuestProperties.end();
10984 ++iter)
10985 if (utf8Name == iter->strName)
10986 {
10987 mHWData->mGuestProperties.erase(iter);
10988 mData->mGuestPropertiesModified = TRUE;
10989 break;
10990 }
10991 if (aValue != NULL)
10992 {
10993 HWData::GuestProperty property = { aName, aValue, aTimestamp, fFlags };
10994 mHWData->mGuestProperties.push_back(property);
10995 mData->mGuestPropertiesModified = TRUE;
10996 }
10997
10998 /*
10999 * Send a callback notification if appropriate
11000 */
11001 if ( mHWData->mGuestPropertyNotificationPatterns.isEmpty()
11002 || RTStrSimplePatternMultiMatch(mHWData->mGuestPropertyNotificationPatterns.c_str(),
11003 RTSTR_MAX,
11004 utf8Name.c_str(),
11005 RTSTR_MAX, NULL)
11006 )
11007 {
11008 alock.leave();
11009
11010 mParent->onGuestPropertyChange(mData->mUuid,
11011 aName,
11012 aValue,
11013 aFlags);
11014 }
11015 }
11016 catch (...)
11017 {
11018 return VirtualBox::handleUnexpectedExceptions(RT_SRC_POS);
11019 }
11020 return S_OK;
11021#else
11022 ReturnComNotImplemented();
11023#endif
11024}
11025
11026// public methods only for internal purposes
11027/////////////////////////////////////////////////////////////////////////////
11028
11029/**
11030 * Called from the client watcher thread to check for expected or unexpected
11031 * death of the client process that has a direct session to this machine.
11032 *
11033 * On Win32 and on OS/2, this method is called only when we've got the
11034 * mutex (i.e. the client has either died or terminated normally) so it always
11035 * returns @c true (the client is terminated, the session machine is
11036 * uninitialized).
11037 *
11038 * On other platforms, the method returns @c true if the client process has
11039 * terminated normally or abnormally and the session machine was uninitialized,
11040 * and @c false if the client process is still alive.
11041 *
11042 * @note Locks this object for writing.
11043 */
11044bool SessionMachine::checkForDeath()
11045{
11046 Uninit::Reason reason;
11047 bool terminated = false;
11048
11049 /* Enclose autoCaller with a block because calling uninit() from under it
11050 * will deadlock. */
11051 {
11052 AutoCaller autoCaller(this);
11053 if (!autoCaller.isOk())
11054 {
11055 /* return true if not ready, to cause the client watcher to exclude
11056 * the corresponding session from watching */
11057 LogFlowThisFunc(("Already uninitialized!\n"));
11058 return true;
11059 }
11060
11061 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
11062
11063 /* Determine the reason of death: if the session state is Closing here,
11064 * everything is fine. Otherwise it means that the client did not call
11065 * OnSessionEnd() before it released the IPC semaphore. This may happen
11066 * either because the client process has abnormally terminated, or
11067 * because it simply forgot to call ISession::Close() before exiting. We
11068 * threat the latter also as an abnormal termination (see
11069 * Session::uninit() for details). */
11070 reason = mData->mSession.mState == SessionState_Unlocking ?
11071 Uninit::Normal :
11072 Uninit::Abnormal;
11073
11074#if defined(RT_OS_WINDOWS)
11075
11076 AssertMsg(mIPCSem, ("semaphore must be created"));
11077
11078 /* release the IPC mutex */
11079 ::ReleaseMutex(mIPCSem);
11080
11081 terminated = true;
11082
11083#elif defined(RT_OS_OS2)
11084
11085 AssertMsg(mIPCSem, ("semaphore must be created"));
11086
11087 /* release the IPC mutex */
11088 ::DosReleaseMutexSem(mIPCSem);
11089
11090 terminated = true;
11091
11092#elif defined(VBOX_WITH_SYS_V_IPC_SESSION_WATCHER)
11093
11094 AssertMsg(mIPCSem >= 0, ("semaphore must be created"));
11095
11096 int val = ::semctl(mIPCSem, 0, GETVAL);
11097 if (val > 0)
11098 {
11099 /* the semaphore is signaled, meaning the session is terminated */
11100 terminated = true;
11101 }
11102
11103#else
11104# error "Port me!"
11105#endif
11106
11107 } /* AutoCaller block */
11108
11109 if (terminated)
11110 uninit(reason);
11111
11112 return terminated;
11113}
11114
11115/**
11116 * @note Locks this object for reading.
11117 */
11118HRESULT SessionMachine::onNetworkAdapterChange(INetworkAdapter *networkAdapter, BOOL changeAdapter)
11119{
11120 LogFlowThisFunc(("\n"));
11121
11122 AutoCaller autoCaller(this);
11123 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
11124
11125 ComPtr<IInternalSessionControl> directControl;
11126 {
11127 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
11128 directControl = mData->mSession.mDirectControl;
11129 }
11130
11131 /* ignore notifications sent after #OnSessionEnd() is called */
11132 if (!directControl)
11133 return S_OK;
11134
11135 return directControl->OnNetworkAdapterChange(networkAdapter, changeAdapter);
11136}
11137
11138/**
11139 * @note Locks this object for reading.
11140 */
11141HRESULT SessionMachine::onNATRedirectRuleChange(ULONG ulSlot, BOOL aNatRuleRemove, IN_BSTR aRuleName,
11142 NATProtocol_T aProto, IN_BSTR aHostIp, LONG aHostPort, IN_BSTR aGuestIp, LONG aGuestPort)
11143{
11144 LogFlowThisFunc(("\n"));
11145
11146 AutoCaller autoCaller(this);
11147 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
11148
11149 ComPtr<IInternalSessionControl> directControl;
11150 {
11151 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
11152 directControl = mData->mSession.mDirectControl;
11153 }
11154
11155 /* ignore notifications sent after #OnSessionEnd() is called */
11156 if (!directControl)
11157 return S_OK;
11158 /*
11159 * instead acting like callback we ask IVirtualBox deliver corresponding event
11160 */
11161
11162 mParent->onNatRedirectChange(getId(), ulSlot, RT_BOOL(aNatRuleRemove), aRuleName, aProto, aHostIp, aHostPort, aGuestIp, aGuestPort);
11163 return S_OK;
11164}
11165
11166/**
11167 * @note Locks this object for reading.
11168 */
11169HRESULT SessionMachine::onSerialPortChange(ISerialPort *serialPort)
11170{
11171 LogFlowThisFunc(("\n"));
11172
11173 AutoCaller autoCaller(this);
11174 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
11175
11176 ComPtr<IInternalSessionControl> directControl;
11177 {
11178 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
11179 directControl = mData->mSession.mDirectControl;
11180 }
11181
11182 /* ignore notifications sent after #OnSessionEnd() is called */
11183 if (!directControl)
11184 return S_OK;
11185
11186 return directControl->OnSerialPortChange(serialPort);
11187}
11188
11189/**
11190 * @note Locks this object for reading.
11191 */
11192HRESULT SessionMachine::onParallelPortChange(IParallelPort *parallelPort)
11193{
11194 LogFlowThisFunc(("\n"));
11195
11196 AutoCaller autoCaller(this);
11197 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
11198
11199 ComPtr<IInternalSessionControl> directControl;
11200 {
11201 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
11202 directControl = mData->mSession.mDirectControl;
11203 }
11204
11205 /* ignore notifications sent after #OnSessionEnd() is called */
11206 if (!directControl)
11207 return S_OK;
11208
11209 return directControl->OnParallelPortChange(parallelPort);
11210}
11211
11212/**
11213 * @note Locks this object for reading.
11214 */
11215HRESULT SessionMachine::onStorageControllerChange()
11216{
11217 LogFlowThisFunc(("\n"));
11218
11219 AutoCaller autoCaller(this);
11220 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
11221
11222 ComPtr<IInternalSessionControl> directControl;
11223 {
11224 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
11225 directControl = mData->mSession.mDirectControl;
11226 }
11227
11228 /* ignore notifications sent after #OnSessionEnd() is called */
11229 if (!directControl)
11230 return S_OK;
11231
11232 return directControl->OnStorageControllerChange();
11233}
11234
11235/**
11236 * @note Locks this object for reading.
11237 */
11238HRESULT SessionMachine::onMediumChange(IMediumAttachment *aAttachment, BOOL aForce)
11239{
11240 LogFlowThisFunc(("\n"));
11241
11242 AutoCaller autoCaller(this);
11243 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
11244
11245 ComPtr<IInternalSessionControl> directControl;
11246 {
11247 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
11248 directControl = mData->mSession.mDirectControl;
11249 }
11250
11251 /* ignore notifications sent after #OnSessionEnd() is called */
11252 if (!directControl)
11253 return S_OK;
11254
11255 return directControl->OnMediumChange(aAttachment, aForce);
11256}
11257
11258/**
11259 * @note Locks this object for reading.
11260 */
11261HRESULT SessionMachine::onCPUChange(ULONG aCPU, BOOL aRemove)
11262{
11263 LogFlowThisFunc(("\n"));
11264
11265 AutoCaller autoCaller(this);
11266 AssertComRCReturn (autoCaller.rc(), autoCaller.rc());
11267
11268 ComPtr<IInternalSessionControl> directControl;
11269 {
11270 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
11271 directControl = mData->mSession.mDirectControl;
11272 }
11273
11274 /* ignore notifications sent after #OnSessionEnd() is called */
11275 if (!directControl)
11276 return S_OK;
11277
11278 return directControl->OnCPUChange(aCPU, aRemove);
11279}
11280
11281HRESULT SessionMachine::onCPUExecutionCapChange(ULONG aExecutionCap)
11282{
11283 LogFlowThisFunc(("\n"));
11284
11285 AutoCaller autoCaller(this);
11286 AssertComRCReturn (autoCaller.rc(), autoCaller.rc());
11287
11288 ComPtr<IInternalSessionControl> directControl;
11289 {
11290 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
11291 directControl = mData->mSession.mDirectControl;
11292 }
11293
11294 /* ignore notifications sent after #OnSessionEnd() is called */
11295 if (!directControl)
11296 return S_OK;
11297
11298 return directControl->OnCPUExecutionCapChange(aExecutionCap);
11299}
11300
11301/**
11302 * @note Locks this object for reading.
11303 */
11304HRESULT SessionMachine::onVRDEServerChange(BOOL aRestart)
11305{
11306 LogFlowThisFunc(("\n"));
11307
11308 AutoCaller autoCaller(this);
11309 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
11310
11311 ComPtr<IInternalSessionControl> directControl;
11312 {
11313 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
11314 directControl = mData->mSession.mDirectControl;
11315 }
11316
11317 /* ignore notifications sent after #OnSessionEnd() is called */
11318 if (!directControl)
11319 return S_OK;
11320
11321 return directControl->OnVRDEServerChange(aRestart);
11322}
11323
11324/**
11325 * @note Locks this object for reading.
11326 */
11327HRESULT SessionMachine::onUSBControllerChange()
11328{
11329 LogFlowThisFunc(("\n"));
11330
11331 AutoCaller autoCaller(this);
11332 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
11333
11334 ComPtr<IInternalSessionControl> directControl;
11335 {
11336 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
11337 directControl = mData->mSession.mDirectControl;
11338 }
11339
11340 /* ignore notifications sent after #OnSessionEnd() is called */
11341 if (!directControl)
11342 return S_OK;
11343
11344 return directControl->OnUSBControllerChange();
11345}
11346
11347/**
11348 * @note Locks this object for reading.
11349 */
11350HRESULT SessionMachine::onSharedFolderChange()
11351{
11352 LogFlowThisFunc(("\n"));
11353
11354 AutoCaller autoCaller(this);
11355 AssertComRCReturnRC(autoCaller.rc());
11356
11357 ComPtr<IInternalSessionControl> directControl;
11358 {
11359 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
11360 directControl = mData->mSession.mDirectControl;
11361 }
11362
11363 /* ignore notifications sent after #OnSessionEnd() is called */
11364 if (!directControl)
11365 return S_OK;
11366
11367 return directControl->OnSharedFolderChange(FALSE /* aGlobal */);
11368}
11369
11370/**
11371 * @note Locks this object for reading.
11372 */
11373HRESULT SessionMachine::onBandwidthGroupChange(IBandwidthGroup *aBandwidthGroup)
11374{
11375 LogFlowThisFunc(("\n"));
11376
11377 AutoCaller autoCaller(this);
11378 AssertComRCReturn (autoCaller.rc(), autoCaller.rc());
11379
11380 ComPtr<IInternalSessionControl> directControl;
11381 {
11382 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
11383 directControl = mData->mSession.mDirectControl;
11384 }
11385
11386 /* ignore notifications sent after #OnSessionEnd() is called */
11387 if (!directControl)
11388 return S_OK;
11389
11390 return directControl->OnBandwidthGroupChange(aBandwidthGroup);
11391}
11392
11393/**
11394 * Returns @c true if this machine's USB controller reports it has a matching
11395 * filter for the given USB device and @c false otherwise.
11396 *
11397 * @note Caller must have requested machine read lock.
11398 */
11399bool SessionMachine::hasMatchingUSBFilter(const ComObjPtr<HostUSBDevice> &aDevice, ULONG *aMaskedIfs)
11400{
11401 AutoCaller autoCaller(this);
11402 /* silently return if not ready -- this method may be called after the
11403 * direct machine session has been called */
11404 if (!autoCaller.isOk())
11405 return false;
11406
11407
11408#ifdef VBOX_WITH_USB
11409 switch (mData->mMachineState)
11410 {
11411 case MachineState_Starting:
11412 case MachineState_Restoring:
11413 case MachineState_TeleportingIn:
11414 case MachineState_Paused:
11415 case MachineState_Running:
11416 /** @todo Live Migration: snapshoting & teleporting. Need to fend things of
11417 * elsewhere... */
11418 return mUSBController->hasMatchingFilter(aDevice, aMaskedIfs);
11419 default: break;
11420 }
11421#else
11422 NOREF(aDevice);
11423 NOREF(aMaskedIfs);
11424#endif
11425 return false;
11426}
11427
11428/**
11429 * @note The calls shall hold no locks. Will temporarily lock this object for reading.
11430 */
11431HRESULT SessionMachine::onUSBDeviceAttach(IUSBDevice *aDevice,
11432 IVirtualBoxErrorInfo *aError,
11433 ULONG aMaskedIfs)
11434{
11435 LogFlowThisFunc(("\n"));
11436
11437 AutoCaller autoCaller(this);
11438
11439 /* This notification may happen after the machine object has been
11440 * uninitialized (the session was closed), so don't assert. */
11441 if (FAILED(autoCaller.rc())) return autoCaller.rc();
11442
11443 ComPtr<IInternalSessionControl> directControl;
11444 {
11445 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
11446 directControl = mData->mSession.mDirectControl;
11447 }
11448
11449 /* fail on notifications sent after #OnSessionEnd() is called, it is
11450 * expected by the caller */
11451 if (!directControl)
11452 return E_FAIL;
11453
11454 /* No locks should be held at this point. */
11455 AssertMsg(RTLockValidatorWriteLockGetCount(RTThreadSelf()) == 0, ("%d\n", RTLockValidatorWriteLockGetCount(RTThreadSelf())));
11456 AssertMsg(RTLockValidatorReadLockGetCount(RTThreadSelf()) == 0, ("%d\n", RTLockValidatorReadLockGetCount(RTThreadSelf())));
11457
11458 return directControl->OnUSBDeviceAttach(aDevice, aError, aMaskedIfs);
11459}
11460
11461/**
11462 * @note The calls shall hold no locks. Will temporarily lock this object for reading.
11463 */
11464HRESULT SessionMachine::onUSBDeviceDetach(IN_BSTR aId,
11465 IVirtualBoxErrorInfo *aError)
11466{
11467 LogFlowThisFunc(("\n"));
11468
11469 AutoCaller autoCaller(this);
11470
11471 /* This notification may happen after the machine object has been
11472 * uninitialized (the session was closed), so don't assert. */
11473 if (FAILED(autoCaller.rc())) return autoCaller.rc();
11474
11475 ComPtr<IInternalSessionControl> directControl;
11476 {
11477 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
11478 directControl = mData->mSession.mDirectControl;
11479 }
11480
11481 /* fail on notifications sent after #OnSessionEnd() is called, it is
11482 * expected by the caller */
11483 if (!directControl)
11484 return E_FAIL;
11485
11486 /* No locks should be held at this point. */
11487 AssertMsg(RTLockValidatorWriteLockGetCount(RTThreadSelf()) == 0, ("%d\n", RTLockValidatorWriteLockGetCount(RTThreadSelf())));
11488 AssertMsg(RTLockValidatorReadLockGetCount(RTThreadSelf()) == 0, ("%d\n", RTLockValidatorReadLockGetCount(RTThreadSelf())));
11489
11490 return directControl->OnUSBDeviceDetach(aId, aError);
11491}
11492
11493// protected methods
11494/////////////////////////////////////////////////////////////////////////////
11495
11496/**
11497 * Helper method to finalize saving the state.
11498 *
11499 * @note Must be called from under this object's lock.
11500 *
11501 * @param aRc S_OK if the snapshot has been taken successfully
11502 * @param aErrMsg human readable error message for failure
11503 *
11504 * @note Locks mParent + this objects for writing.
11505 */
11506HRESULT SessionMachine::endSavingState(HRESULT aRc, const Utf8Str &aErrMsg)
11507{
11508 LogFlowThisFuncEnter();
11509
11510 AutoCaller autoCaller(this);
11511 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
11512
11513 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
11514
11515 HRESULT rc = S_OK;
11516
11517 if (SUCCEEDED(aRc))
11518 {
11519 mSSData->mStateFilePath = mConsoleTaskData.mStateFilePath;
11520
11521 /* save all VM settings */
11522 rc = saveSettings(NULL);
11523 // no need to check whether VirtualBox.xml needs saving also since
11524 // we can't have a name change pending at this point
11525 }
11526 else
11527 {
11528 /* delete the saved state file (it might have been already created) */
11529 RTFileDelete(mConsoleTaskData.mStateFilePath.c_str());
11530 }
11531
11532 /* notify the progress object about operation completion */
11533 Assert(mConsoleTaskData.mProgress);
11534 if (SUCCEEDED(aRc))
11535 mConsoleTaskData.mProgress->notifyComplete(S_OK);
11536 else
11537 {
11538 if (aErrMsg.length())
11539 mConsoleTaskData.mProgress->notifyComplete(aRc,
11540 COM_IIDOF(ISession),
11541 getComponentName(),
11542 aErrMsg.c_str());
11543 else
11544 mConsoleTaskData.mProgress->notifyComplete(aRc);
11545 }
11546
11547 /* clear out the temporary saved state data */
11548 mConsoleTaskData.mLastState = MachineState_Null;
11549 mConsoleTaskData.mStateFilePath.setNull();
11550 mConsoleTaskData.mProgress.setNull();
11551
11552 LogFlowThisFuncLeave();
11553 return rc;
11554}
11555
11556/**
11557 * Locks the attached media.
11558 *
11559 * All attached hard disks are locked for writing and DVD/floppy are locked for
11560 * reading. Parents of attached hard disks (if any) are locked for reading.
11561 *
11562 * This method also performs accessibility check of all media it locks: if some
11563 * media is inaccessible, the method will return a failure and a bunch of
11564 * extended error info objects per each inaccessible medium.
11565 *
11566 * Note that this method is atomic: if it returns a success, all media are
11567 * locked as described above; on failure no media is locked at all (all
11568 * succeeded individual locks will be undone).
11569 *
11570 * This method is intended to be called when the machine is in Starting or
11571 * Restoring state and asserts otherwise.
11572 *
11573 * The locks made by this method must be undone by calling #unlockMedia() when
11574 * no more needed.
11575 */
11576HRESULT SessionMachine::lockMedia()
11577{
11578 AutoCaller autoCaller(this);
11579 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
11580
11581 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
11582
11583 AssertReturn( mData->mMachineState == MachineState_Starting
11584 || mData->mMachineState == MachineState_Restoring
11585 || mData->mMachineState == MachineState_TeleportingIn, E_FAIL);
11586 /* bail out if trying to lock things with already set up locking */
11587 AssertReturn(mData->mSession.mLockedMedia.IsEmpty(), E_FAIL);
11588
11589 MultiResult mrc(S_OK);
11590
11591 /* Collect locking information for all medium objects attached to the VM. */
11592 for (MediaData::AttachmentList::const_iterator it = mMediaData->mAttachments.begin();
11593 it != mMediaData->mAttachments.end();
11594 ++it)
11595 {
11596 MediumAttachment* pAtt = *it;
11597 DeviceType_T devType = pAtt->getType();
11598 Medium *pMedium = pAtt->getMedium();
11599
11600 MediumLockList *pMediumLockList(new MediumLockList());
11601 // There can be attachments without a medium (floppy/dvd), and thus
11602 // it's impossible to create a medium lock list. It still makes sense
11603 // to have the empty medium lock list in the map in case a medium is
11604 // attached later.
11605 if (pMedium != NULL)
11606 {
11607 MediumType_T mediumType = pMedium->getType();
11608 bool fIsReadOnlyLock = mediumType == MediumType_Readonly
11609 || mediumType == MediumType_Shareable;
11610 bool fIsVitalImage = (devType == DeviceType_HardDisk);
11611
11612 mrc = pMedium->createMediumLockList(fIsVitalImage /* fFailIfInaccessible */,
11613 !fIsReadOnlyLock /* fMediumLockWrite */,
11614 NULL,
11615 *pMediumLockList);
11616 if (FAILED(mrc))
11617 {
11618 delete pMediumLockList;
11619 mData->mSession.mLockedMedia.Clear();
11620 break;
11621 }
11622 }
11623
11624 HRESULT rc = mData->mSession.mLockedMedia.Insert(pAtt, pMediumLockList);
11625 if (FAILED(rc))
11626 {
11627 mData->mSession.mLockedMedia.Clear();
11628 mrc = setError(rc,
11629 tr("Collecting locking information for all attached media failed"));
11630 break;
11631 }
11632 }
11633
11634 if (SUCCEEDED(mrc))
11635 {
11636 /* Now lock all media. If this fails, nothing is locked. */
11637 HRESULT rc = mData->mSession.mLockedMedia.Lock();
11638 if (FAILED(rc))
11639 {
11640 mrc = setError(rc,
11641 tr("Locking of attached media failed"));
11642 }
11643 }
11644
11645 return mrc;
11646}
11647
11648/**
11649 * Undoes the locks made by by #lockMedia().
11650 */
11651void SessionMachine::unlockMedia()
11652{
11653 AutoCaller autoCaller(this);
11654 AssertComRCReturnVoid(autoCaller.rc());
11655
11656 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
11657
11658 /* we may be holding important error info on the current thread;
11659 * preserve it */
11660 ErrorInfoKeeper eik;
11661
11662 HRESULT rc = mData->mSession.mLockedMedia.Clear();
11663 AssertComRC(rc);
11664}
11665
11666/**
11667 * Helper to change the machine state (reimplementation).
11668 *
11669 * @note Locks this object for writing.
11670 */
11671HRESULT SessionMachine::setMachineState(MachineState_T aMachineState)
11672{
11673 LogFlowThisFuncEnter();
11674 LogFlowThisFunc(("aMachineState=%s\n", Global::stringifyMachineState(aMachineState) ));
11675
11676 AutoCaller autoCaller(this);
11677 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
11678
11679 AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
11680
11681 MachineState_T oldMachineState = mData->mMachineState;
11682
11683 AssertMsgReturn(oldMachineState != aMachineState,
11684 ("oldMachineState=%s, aMachineState=%s\n",
11685 Global::stringifyMachineState(oldMachineState), Global::stringifyMachineState(aMachineState)),
11686 E_FAIL);
11687
11688 HRESULT rc = S_OK;
11689
11690 int stsFlags = 0;
11691 bool deleteSavedState = false;
11692
11693 /* detect some state transitions */
11694
11695 if ( ( oldMachineState == MachineState_Saved
11696 && aMachineState == MachineState_Restoring)
11697 || ( ( oldMachineState == MachineState_PoweredOff
11698 || oldMachineState == MachineState_Teleported
11699 || oldMachineState == MachineState_Aborted
11700 )
11701 && ( aMachineState == MachineState_TeleportingIn
11702 || aMachineState == MachineState_Starting
11703 )
11704 )
11705 )
11706 {
11707 /* The EMT thread is about to start */
11708
11709 /* Nothing to do here for now... */
11710
11711 /// @todo NEWMEDIA don't let mDVDDrive and other children
11712 /// change anything when in the Starting/Restoring state
11713 }
11714 else if ( ( oldMachineState == MachineState_Running
11715 || oldMachineState == MachineState_Paused
11716 || oldMachineState == MachineState_Teleporting
11717 || oldMachineState == MachineState_LiveSnapshotting
11718 || oldMachineState == MachineState_Stuck
11719 || oldMachineState == MachineState_Starting
11720 || oldMachineState == MachineState_Stopping
11721 || oldMachineState == MachineState_Saving
11722 || oldMachineState == MachineState_Restoring
11723 || oldMachineState == MachineState_TeleportingPausedVM
11724 || oldMachineState == MachineState_TeleportingIn
11725 )
11726 && ( aMachineState == MachineState_PoweredOff
11727 || aMachineState == MachineState_Saved
11728 || aMachineState == MachineState_Teleported
11729 || aMachineState == MachineState_Aborted
11730 )
11731 /* ignore PoweredOff->Saving->PoweredOff transition when taking a
11732 * snapshot */
11733 && ( mConsoleTaskData.mSnapshot.isNull()
11734 || mConsoleTaskData.mLastState >= MachineState_Running /** @todo Live Migration: clean up (lazy bird) */
11735 )
11736 )
11737 {
11738 /* The EMT thread has just stopped, unlock attached media. Note that as
11739 * opposed to locking that is done from Console, we do unlocking here
11740 * because the VM process may have aborted before having a chance to
11741 * properly unlock all media it locked. */
11742
11743 unlockMedia();
11744 }
11745
11746 if (oldMachineState == MachineState_Restoring)
11747 {
11748 if (aMachineState != MachineState_Saved)
11749 {
11750 /*
11751 * delete the saved state file once the machine has finished
11752 * restoring from it (note that Console sets the state from
11753 * Restoring to Saved if the VM couldn't restore successfully,
11754 * to give the user an ability to fix an error and retry --
11755 * we keep the saved state file in this case)
11756 */
11757 deleteSavedState = true;
11758 }
11759 }
11760 else if ( oldMachineState == MachineState_Saved
11761 && ( aMachineState == MachineState_PoweredOff
11762 || aMachineState == MachineState_Aborted
11763 || aMachineState == MachineState_Teleported
11764 )
11765 )
11766 {
11767 /*
11768 * delete the saved state after Console::ForgetSavedState() is called
11769 * or if the VM process (owning a direct VM session) crashed while the
11770 * VM was Saved
11771 */
11772
11773 /// @todo (dmik)
11774 // Not sure that deleting the saved state file just because of the
11775 // client death before it attempted to restore the VM is a good
11776 // thing. But when it crashes we need to go to the Aborted state
11777 // which cannot have the saved state file associated... The only
11778 // way to fix this is to make the Aborted condition not a VM state
11779 // but a bool flag: i.e., when a crash occurs, set it to true and
11780 // change the state to PoweredOff or Saved depending on the
11781 // saved state presence.
11782
11783 deleteSavedState = true;
11784 mData->mCurrentStateModified = TRUE;
11785 stsFlags |= SaveSTS_CurStateModified;
11786 }
11787
11788 if ( aMachineState == MachineState_Starting
11789 || aMachineState == MachineState_Restoring
11790 || aMachineState == MachineState_TeleportingIn
11791 )
11792 {
11793 /* set the current state modified flag to indicate that the current
11794 * state is no more identical to the state in the
11795 * current snapshot */
11796 if (!mData->mCurrentSnapshot.isNull())
11797 {
11798 mData->mCurrentStateModified = TRUE;
11799 stsFlags |= SaveSTS_CurStateModified;
11800 }
11801 }
11802
11803 if (deleteSavedState)
11804 {
11805 if (mRemoveSavedState)
11806 {
11807 Assert(!mSSData->mStateFilePath.isEmpty());
11808 RTFileDelete(mSSData->mStateFilePath.c_str());
11809 }
11810 mSSData->mStateFilePath.setNull();
11811 stsFlags |= SaveSTS_StateFilePath;
11812 }
11813
11814 /* redirect to the underlying peer machine */
11815 mPeer->setMachineState(aMachineState);
11816
11817 if ( aMachineState == MachineState_PoweredOff
11818 || aMachineState == MachineState_Teleported
11819 || aMachineState == MachineState_Aborted
11820 || aMachineState == MachineState_Saved)
11821 {
11822 /* the machine has stopped execution
11823 * (or the saved state file was adopted) */
11824 stsFlags |= SaveSTS_StateTimeStamp;
11825 }
11826
11827 if ( ( oldMachineState == MachineState_PoweredOff
11828 || oldMachineState == MachineState_Aborted
11829 || oldMachineState == MachineState_Teleported
11830 )
11831 && aMachineState == MachineState_Saved)
11832 {
11833 /* the saved state file was adopted */
11834 Assert(!mSSData->mStateFilePath.isEmpty());
11835 stsFlags |= SaveSTS_StateFilePath;
11836 }
11837
11838#ifdef VBOX_WITH_GUEST_PROPS
11839 if ( aMachineState == MachineState_PoweredOff
11840 || aMachineState == MachineState_Aborted
11841 || aMachineState == MachineState_Teleported)
11842 {
11843 /* Make sure any transient guest properties get removed from the
11844 * property store on shutdown. */
11845
11846 HWData::GuestPropertyList::iterator it;
11847 BOOL fNeedsSaving = mData->mGuestPropertiesModified;
11848 if (!fNeedsSaving)
11849 for (it = mHWData->mGuestProperties.begin();
11850 it != mHWData->mGuestProperties.end(); ++it)
11851 if (it->mFlags & guestProp::TRANSIENT)
11852 {
11853 fNeedsSaving = true;
11854 break;
11855 }
11856 if (fNeedsSaving)
11857 {
11858 mData->mCurrentStateModified = TRUE;
11859 stsFlags |= SaveSTS_CurStateModified;
11860 SaveSettings(); // @todo r=dj why the public method? why first SaveSettings and then saveStateSettings?
11861 }
11862 }
11863#endif
11864
11865 rc = saveStateSettings(stsFlags);
11866
11867 if ( ( oldMachineState != MachineState_PoweredOff
11868 && oldMachineState != MachineState_Aborted
11869 && oldMachineState != MachineState_Teleported
11870 )
11871 && ( aMachineState == MachineState_PoweredOff
11872 || aMachineState == MachineState_Aborted
11873 || aMachineState == MachineState_Teleported
11874 )
11875 )
11876 {
11877 /* we've been shut down for any reason */
11878 /* no special action so far */
11879 }
11880
11881 LogFlowThisFunc(("rc=%Rhrc [%s]\n", rc, Global::stringifyMachineState(mData->mMachineState) ));
11882 LogFlowThisFuncLeave();
11883 return rc;
11884}
11885
11886/**
11887 * Sends the current machine state value to the VM process.
11888 *
11889 * @note Locks this object for reading, then calls a client process.
11890 */
11891HRESULT SessionMachine::updateMachineStateOnClient()
11892{
11893 AutoCaller autoCaller(this);
11894 AssertComRCReturn(autoCaller.rc(), autoCaller.rc());
11895
11896 ComPtr<IInternalSessionControl> directControl;
11897 {
11898 AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
11899 AssertReturn(!!mData, E_FAIL);
11900 directControl = mData->mSession.mDirectControl;
11901
11902 /* directControl may be already set to NULL here in #OnSessionEnd()
11903 * called too early by the direct session process while there is still
11904 * some operation (like deleting the snapshot) in progress. The client
11905 * process in this case is waiting inside Session::close() for the
11906 * "end session" process object to complete, while #uninit() called by
11907 * #checkForDeath() on the Watcher thread is waiting for the pending
11908 * operation to complete. For now, we accept this inconsistent behavior
11909 * and simply do nothing here. */
11910
11911 if (mData->mSession.mState == SessionState_Unlocking)
11912 return S_OK;
11913
11914 AssertReturn(!directControl.isNull(), E_FAIL);
11915 }
11916
11917 return directControl->UpdateMachineState(mData->mMachineState);
11918}
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