MachineImpl.h@ 65539

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1	/* $Id: MachineImpl.h 65158 2017-01-05 16:52:22Z vboxsync $ */
2	/** @file
3	* Implementation of IMachine in VBoxSVC - Header.
4	*/
5
6	/*
7	* Copyright (C) 2006-2016 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	#ifndef ____H_MACHINEIMPL
19	#define ____H_MACHINEIMPL
20
21	#include "AuthLibrary.h"
22	#include "VirtualBoxBase.h"
23	#include "SnapshotImpl.h"
24	#include "ProgressImpl.h"
25	#include "VRDEServerImpl.h"
26	#include "MediumAttachmentImpl.h"
27	#include "PCIDeviceAttachmentImpl.h"
28	#include "MediumLock.h"
29	#include "NetworkAdapterImpl.h"
30	#include "AudioAdapterImpl.h"
31	#include "SerialPortImpl.h"
32	#include "ParallelPortImpl.h"
33	#include "BIOSSettingsImpl.h"
34	#include "StorageControllerImpl.h" // required for MachineImpl.h to compile on Windows
35	#include "USBControllerImpl.h" // required for MachineImpl.h to compile on Windows
36	#include "BandwidthControlImpl.h"
37	#include "BandwidthGroupImpl.h"
38	#ifdef VBOX_WITH_RESOURCE_USAGE_API
39	# include "Performance.h"
40	# include "PerformanceImpl.h"
41	# include "ThreadTask.h"
42	#endif
43	#ifdef VBOX_WITH_UNATTENDED
44	# include "UnattendedImpl.h"
45	#endif
46
47	// generated header
48	#include "SchemaDefs.h"
49
50	#include "VBox/com/ErrorInfo.h"
51
52	#include <iprt/file.h>
53	#include <iprt/thread.h>
54	#include <iprt/time.h>
55
56	#include <list>
57	#include <vector>
58
59	#include "MachineWrap.h"
60
61	/** @todo r=klaus after moving the various Machine settings structs to
62	* MachineImpl.cpp it should be possible to eliminate this include. */
63	#include <VBox/settings.h>
64
65	// defines
66	////////////////////////////////////////////////////////////////////////////////
67
68	// helper declarations
69	////////////////////////////////////////////////////////////////////////////////
70
71	class Progress;
72	class ProgressProxy;
73	class Keyboard;
74	class Mouse;
75	class Display;
76	class MachineDebugger;
77	class USBController;
78	class USBDeviceFilters;
79	class Snapshot;
80	class SharedFolder;
81	class HostUSBDevice;
82	class StorageController;
83	class SessionMachine;
84
85	// Machine class
86	////////////////////////////////////////////////////////////////////////////////
87	//
88	class ATL_NO_VTABLE Machine :
89	public MachineWrap
90	{
91
92	public:
93
94	enum StateDependency
95	{
96	AnyStateDep = 0,
97	MutableStateDep,
98	MutableOrSavedStateDep,
99	MutableOrRunningStateDep,
100	MutableOrSavedOrRunningStateDep,
101	};
102
103	/**
104	* Internal machine data.
105	*
106	* Only one instance of this data exists per every machine -- it is shared
107	* by the Machine, SessionMachine and all SnapshotMachine instances
108	* associated with the given machine using the util::Shareable template
109	* through the mData variable.
110	*
111	* @note \|const\| members are persistent during lifetime so can be
112	* accessed without locking.
113	*
114	* @note There is no need to lock anything inside init() or uninit()
115	* methods, because they are always serialized (see AutoCaller).
116	*/
117	struct Data
118	{
119	/**
120	* Data structure to hold information about sessions opened for the
121	* given machine.
122	*/
123	struct Session
124	{
125	/** Type of lock which created this session */
126	LockType_T mLockType;
127
128	/** Control of the direct session opened by lockMachine() */
129	ComPtr<IInternalSessionControl> mDirectControl;
130
131	typedef std::list<ComPtr<IInternalSessionControl> > RemoteControlList;
132
133	/** list of controls of all opened remote sessions */
134	RemoteControlList mRemoteControls;
135
136	/** launchVMProcess() and OnSessionEnd() progress indicator */
137	ComObjPtr<ProgressProxy> mProgress;
138
139	/**
140	* PID of the session object that must be passed to openSession()
141	* to finalize the launchVMProcess() request (i.e., PID of the
142	* process created by launchVMProcess())
143	*/
144	RTPROCESS mPID;
145
146	/** Current session state */
147	SessionState_T mState;
148
149	/** Session name string (of the primary session) */
150	Utf8Str mName;
151
152	/** Session machine object */
153	ComObjPtr<SessionMachine> mMachine;
154
155	/** Medium object lock collection. */
156	MediumLockListMap mLockedMedia;
157	};
158
159	Data();
160	~Data();
161
162	const Guid mUuid;
163	BOOL mRegistered;
164
165	Utf8Str m_strConfigFile;
166	Utf8Str m_strConfigFileFull;
167
168	// machine settings XML file
169	settings::MachineConfigFile *pMachineConfigFile;
170	uint32_t flModifications;
171	bool m_fAllowStateModification;
172
173	BOOL mAccessible;
174	com::ErrorInfo mAccessError;
175
176	MachineState_T mMachineState;
177	RTTIMESPEC mLastStateChange;
178
179	/* Note: These are guarded by VirtualBoxBase::stateLockHandle() */
180	uint32_t mMachineStateDeps;
181	RTSEMEVENTMULTI mMachineStateDepsSem;
182	uint32_t mMachineStateChangePending;
183
184	BOOL mCurrentStateModified;
185	/** Guest properties have been modified and need saving since the
186	* machine was started, or there are transient properties which need
187	* deleting and the machine is being shut down. */
188	BOOL mGuestPropertiesModified;
189
190	Session mSession;
191
192	ComObjPtr<Snapshot> mFirstSnapshot;
193	ComObjPtr<Snapshot> mCurrentSnapshot;
194
195	// list of files to delete in Delete(); this list is filled by Unregister()
196	std::list<Utf8Str> llFilesToDelete;
197	};
198
199	/**
200	* Saved state data.
201	*
202	* It's actually only the state file path string, but it needs to be
203	* separate from Data, because Machine and SessionMachine instances
204	* share it, while SnapshotMachine does not.
205	*
206	* The data variable is \|mSSData\|.
207	*/
208	struct SSData
209	{
210	Utf8Str strStateFilePath;
211	};
212
213	/**
214	* User changeable machine data.
215	*
216	* This data is common for all machine snapshots, i.e. it is shared
217	* by all SnapshotMachine instances associated with the given machine
218	* using the util::Backupable template through the \|mUserData\| variable.
219	*
220	* SessionMachine instances can alter this data and discard changes.
221	*
222	* @note There is no need to lock anything inside init() or uninit()
223	* methods, because they are always serialized (see AutoCaller).
224	*/
225	struct UserData
226	{
227	settings::MachineUserData s;
228	};
229
230	/**
231	* Hardware data.
232	*
233	* This data is unique for a machine and for every machine snapshot.
234	* Stored using the util::Backupable template in the \|mHWData\| variable.
235	*
236	* SessionMachine instances can alter this data and discard changes.
237	*/
238	struct HWData
239	{
240	/**
241	* Data structure to hold information about a guest property.
242	*/
243	struct GuestProperty {
244	/** Property value */
245	Utf8Str strValue;
246	/** Property timestamp */
247	LONG64 mTimestamp;
248	/** Property flags */
249	ULONG mFlags;
250	};
251
252	HWData();
253	~HWData();
254
255	Bstr mHWVersion;
256	Guid mHardwareUUID; /*< If Null, use mData.mUuid. /
257	ULONG mMemorySize;
258	ULONG mMemoryBalloonSize;
259	BOOL mPageFusionEnabled;
260	GraphicsControllerType_T mGraphicsControllerType;
261	ULONG mVRAMSize;
262	ULONG mVideoCaptureWidth;
263	ULONG mVideoCaptureHeight;
264	ULONG mVideoCaptureRate;
265	ULONG mVideoCaptureFPS;
266	ULONG mVideoCaptureMaxTime;
267	ULONG mVideoCaptureMaxFileSize;
268	Utf8Str mVideoCaptureOptions;
269	Utf8Str mVideoCaptureFile;
270	BOOL mVideoCaptureEnabled;
271	BOOL maVideoCaptureScreens[SchemaDefs::MaxGuestMonitors];
272	ULONG mMonitorCount;
273	BOOL mHWVirtExEnabled;
274	BOOL mHWVirtExNestedPagingEnabled;
275	BOOL mHWVirtExLargePagesEnabled;
276	BOOL mHWVirtExVPIDEnabled;
277	BOOL mHWVirtExUXEnabled;
278	BOOL mHWVirtExForceEnabled;
279	BOOL mAccelerate2DVideoEnabled;
280	BOOL mPAEEnabled;
281	settings::Hardware::LongModeType mLongMode;
282	BOOL mTripleFaultReset;
283	BOOL mAPIC;
284	BOOL mX2APIC;
285	ULONG mCPUCount;
286	BOOL mCPUHotPlugEnabled;
287	ULONG mCpuExecutionCap;
288	uint32_t mCpuIdPortabilityLevel;
289	Utf8Str mCpuProfile;
290	BOOL mAccelerate3DEnabled;
291	BOOL mHPETEnabled;
292
293	BOOL mCPUAttached[SchemaDefs::MaxCPUCount];
294
295	settings::CpuIdLeaf mCpuIdStdLeafs[11];
296	settings::CpuIdLeaf mCpuIdExtLeafs[11];
297
298	DeviceType_T mBootOrder[SchemaDefs::MaxBootPosition];
299
300	typedef std::list<ComObjPtr<SharedFolder> > SharedFolderList;
301	SharedFolderList mSharedFolders;
302
303	ClipboardMode_T mClipboardMode;
304	DnDMode_T mDnDMode;
305
306	typedef std::map<Utf8Str, GuestProperty> GuestPropertyMap;
307	GuestPropertyMap mGuestProperties;
308
309	FirmwareType_T mFirmwareType;
310	KeyboardHIDType_T mKeyboardHIDType;
311	PointingHIDType_T mPointingHIDType;
312	ChipsetType_T mChipsetType;
313	ParavirtProvider_T mParavirtProvider;
314	Utf8Str mParavirtDebug;
315	BOOL mEmulatedUSBCardReaderEnabled;
316
317	BOOL mIOCacheEnabled;
318	ULONG mIOCacheSize;
319
320	typedef std::list<ComObjPtr<PCIDeviceAttachment> > PCIDeviceAssignmentList;
321	PCIDeviceAssignmentList mPCIDeviceAssignments;
322
323	settings::Debugging mDebugging;
324	settings::Autostart mAutostart;
325
326	Utf8Str mDefaultFrontend;
327	};
328
329	/**
330	* Hard disk and other media data.
331	*
332	* The usage policy is the same as for HWData, but a separate structure
333	* is necessary because hard disk data requires different procedures when
334	* taking or deleting snapshots, etc.
335	*
336	* The data variable is \|mMediaData\|.
337	*/
338	struct MediaData
339	{
340	MediaData();
341	~MediaData();
342
343	typedef std::list<ComObjPtr<MediumAttachment> > AttachmentList;
344	AttachmentList mAttachments;
345	};
346
347	DECLARE_EMPTY_CTOR_DTOR(Machine)
348
349	HRESULT FinalConstruct();
350	void FinalRelease();
351
352	// public initializer/uninitializer for internal purposes only:
353
354	// initializer for creating a new, empty machine
355	HRESULT init(VirtualBox *aParent,
356	const Utf8Str &strConfigFile,
357	const Utf8Str &strName,
358	const StringsList &llGroups,
359	GuestOSType *aOsType,
360	const Guid &aId,
361	bool fForceOverwrite,
362	bool fDirectoryIncludesUUID);
363
364	// initializer for loading existing machine XML (either registered or not)
365	HRESULT initFromSettings(VirtualBox *aParent,
366	const Utf8Str &strConfigFile,
367	const Guid *aId);
368
369	// initializer for machine config in memory (OVF import)
370	HRESULT init(VirtualBox *aParent,
371	const Utf8Str &strName,
372	const settings::MachineConfigFile &config);
373
374	void uninit();
375
376	#ifdef VBOX_WITH_RESOURCE_USAGE_API
377	// Needed from VirtualBox, for the delayed metrics cleanup.
378	void i_unregisterMetrics(PerformanceCollector aCollector, Machine aMachine);
379	#endif /* VBOX_WITH_RESOURCE_USAGE_API */
380
381	protected:
382	HRESULT initImpl(VirtualBox *aParent,
383	const Utf8Str &strConfigFile);
384	HRESULT initDataAndChildObjects();
385	HRESULT i_registeredInit();
386	HRESULT i_tryCreateMachineConfigFile(bool fForceOverwrite);
387	void uninitDataAndChildObjects();
388
389	public:
390
391
392	// public methods only for internal purposes
393
394	virtual bool i_isSnapshotMachine() const
395	{
396	return false;
397	}
398
399	virtual bool i_isSessionMachine() const
400	{
401	return false;
402	}
403
404	/**
405	* Override of the default locking class to be used for validating lock
406	* order with the standard member lock handle.
407	*/
408	virtual VBoxLockingClass getLockingClass() const
409	{
410	return LOCKCLASS_MACHINEOBJECT;
411	}
412
413	/// @todo (dmik) add lock and make non-inlined after revising classes
414	// that use it. Note: they should enter Machine lock to keep the returned
415	// information valid!
416	bool i_isRegistered() { return !!mData->mRegistered; }
417
418	// unsafe inline public methods for internal purposes only (ensure there is
419	// a caller and a read lock before calling them!)
420
421	/**
422	* Returns the VirtualBox object this machine belongs to.
423	*
424	* @note This method doesn't check this object's readiness. Intended to be
425	* used by ready Machine children (whose readiness is bound to the parent's
426	* one) or after doing addCaller() manually.
427	*/
428	VirtualBox* i_getVirtualBox() const { return mParent; }
429
430	/**
431	* Checks if this machine is accessible, without attempting to load the
432	* config file.
433	*
434	* @note This method doesn't check this object's readiness. Intended to be
435	* used by ready Machine children (whose readiness is bound to the parent's
436	* one) or after doing addCaller() manually.
437	*/
438	bool i_isAccessible() const { return !!mData->mAccessible; }
439
440	/**
441	* Returns this machine ID.
442	*
443	* @note This method doesn't check this object's readiness. Intended to be
444	* used by ready Machine children (whose readiness is bound to the parent's
445	* one) or after adding a caller manually.
446	*/
447	const Guid& i_getId() const { return mData->mUuid; }
448
449	/**
450	* Returns the snapshot ID this machine represents or an empty UUID if this
451	* instance is not SnapshotMachine.
452	*
453	* @note This method doesn't check this object's readiness. Intended to be
454	* used by ready Machine children (whose readiness is bound to the parent's
455	* one) or after adding a caller manually.
456	*/
457	inline const Guid& i_getSnapshotId() const;
458
459	/**
460	* Returns this machine's full settings file path.
461	*
462	* @note This method doesn't lock this object or check its readiness.
463	* Intended to be used only after doing addCaller() manually and locking it
464	* for reading.
465	*/
466	const Utf8Str& i_getSettingsFileFull() const { return mData->m_strConfigFileFull; }
467
468	/**
469	* Returns this machine name.
470	*
471	* @note This method doesn't lock this object or check its readiness.
472	* Intended to be used only after doing addCaller() manually and locking it
473	* for reading.
474	*/
475	const Utf8Str& i_getName() const { return mUserData->s.strName; }
476
477	enum
478	{
479	IsModified_MachineData = 0x0001,
480	IsModified_Storage = 0x0002,
481	IsModified_NetworkAdapters = 0x0008,
482	IsModified_SerialPorts = 0x0010,
483	IsModified_ParallelPorts = 0x0020,
484	IsModified_VRDEServer = 0x0040,
485	IsModified_AudioAdapter = 0x0080,
486	IsModified_USB = 0x0100,
487	IsModified_BIOS = 0x0200,
488	IsModified_SharedFolders = 0x0400,
489	IsModified_Snapshots = 0x0800,
490	IsModified_BandwidthControl = 0x1000
491	};
492
493	/**
494	* Returns various information about this machine.
495	*
496	* @note This method doesn't lock this object or check its readiness.
497	* Intended to be used only after doing addCaller() manually and locking it
498	* for reading.
499	*/
500	ChipsetType_T i_getChipsetType() const { return mHWData->mChipsetType; }
501	ParavirtProvider_T i_getParavirtProvider() const { return mHWData->mParavirtProvider; }
502	Utf8Str i_getParavirtDebug() const { return mHWData->mParavirtDebug; }
503
504	void i_setModified(uint32_t fl, bool fAllowStateModification = true);
505	void i_setModifiedLock(uint32_t fl, bool fAllowStateModification = true);
506
507	bool i_isStateModificationAllowed() const { return mData->m_fAllowStateModification; }
508	void i_allowStateModification() { mData->m_fAllowStateModification = true; }
509	void i_disallowStateModification() { mData->m_fAllowStateModification = false; }
510
511	const StringsList &i_getGroups() const { return mUserData->s.llGroups; }
512
513	// callback handlers
514	virtual HRESULT i_onNetworkAdapterChange(INetworkAdapter * /* networkAdapter /, BOOL / changeAdapter */) { return S_OK; }
515	virtual HRESULT i_onNATRedirectRuleChange(ULONG /* slot /, BOOL / fRemove / , IN_BSTR / name */,
516	NATProtocol_T /* protocol /, IN_BSTR / host ip /, LONG / host port */,
517	IN_BSTR /* guest port /, LONG / guest port */ ) { return S_OK; }
518	virtual HRESULT i_onSerialPortChange(ISerialPort * /* serialPort */) { return S_OK; }
519	virtual HRESULT i_onParallelPortChange(IParallelPort * /* parallelPort */) { return S_OK; }
520	virtual HRESULT i_onVRDEServerChange(BOOL /* aRestart */) { return S_OK; }
521	virtual HRESULT i_onUSBControllerChange() { return S_OK; }
522	virtual HRESULT i_onStorageControllerChange() { return S_OK; }
523	virtual HRESULT i_onCPUChange(ULONG /* aCPU /, BOOL / aRemove */) { return S_OK; }
524	virtual HRESULT i_onCPUExecutionCapChange(ULONG /* aExecutionCap */) { return S_OK; }
525	virtual HRESULT i_onMediumChange(IMediumAttachment * /* mediumAttachment /, BOOL / force */) { return S_OK; }
526	virtual HRESULT i_onSharedFolderChange() { return S_OK; }
527	virtual HRESULT i_onClipboardModeChange(ClipboardMode_T /* aClipboardMode */) { return S_OK; }
528	virtual HRESULT i_onDnDModeChange(DnDMode_T /* aDnDMode */) { return S_OK; }
529	virtual HRESULT i_onBandwidthGroupChange(IBandwidthGroup * /* aBandwidthGroup */) { return S_OK; }
530	virtual HRESULT i_onStorageDeviceChange(IMediumAttachment * /* mediumAttachment /, BOOL / remove */,
531	BOOL /* silent */) { return S_OK; }
532	virtual HRESULT i_onVideoCaptureChange() { return S_OK; }
533
534	HRESULT i_saveRegistryEntry(settings::MachineRegistryEntry &data);
535
536	int i_calculateFullPath(const Utf8Str &strPath, Utf8Str &aResult);
537	void i_copyPathRelativeToMachine(const Utf8Str &strSource, Utf8Str &strTarget);
538
539	void i_getLogFolder(Utf8Str &aLogFolder);
540	Utf8Str i_getLogFilename(ULONG idx);
541	Utf8Str i_getHardeningLogFilename(void);
542
543	void i_composeSavedStateFilename(Utf8Str &strStateFilePath);
544
545	void i_getDefaultVideoCaptureFile(Utf8Str &strFile);
546
547	bool i_isUSBControllerPresent();
548
549	HRESULT i_launchVMProcess(IInternalSessionControl *aControl,
550	const Utf8Str &strType,
551	const Utf8Str &strEnvironment,
552	ProgressProxy *aProgress);
553
554	HRESULT i_getDirectControl(ComPtr<IInternalSessionControl> *directControl)
555	{
556	HRESULT rc;
557	*directControl = mData->mSession.mDirectControl;
558
559	if (!*directControl)
560	rc = E_ACCESSDENIED;
561	else
562	rc = S_OK;
563
564	return rc;
565	}
566
567	bool i_isSessionOpen(ComObjPtr<SessionMachine> &aMachine,
568	ComPtr<IInternalSessionControl> *aControl = NULL,
569	bool aRequireVM = false,
570	bool aAllowClosing = false);
571	bool i_isSessionSpawning();
572
573	bool i_isSessionOpenOrClosing(ComObjPtr<SessionMachine> &aMachine,
574	ComPtr<IInternalSessionControl> *aControl = NULL)
575	{ return i_isSessionOpen(aMachine, aControl, false /* aRequireVM /, true / aAllowClosing */); }
576
577	bool i_isSessionOpenVM(ComObjPtr<SessionMachine> &aMachine,
578	ComPtr<IInternalSessionControl> *aControl = NULL)
579	{ return i_isSessionOpen(aMachine, aControl, true /* aRequireVM /, false / aAllowClosing */); }
580
581	bool i_checkForSpawnFailure();
582
583	HRESULT i_prepareRegister();
584
585	HRESULT i_getSharedFolder(CBSTR aName,
586	ComObjPtr<SharedFolder> &aSharedFolder,
587	bool aSetError = false)
588	{
589	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
590	return i_findSharedFolder(aName, aSharedFolder, aSetError);
591	}
592
593	HRESULT i_addStateDependency(StateDependency aDepType = AnyStateDep,
594	MachineState_T *aState = NULL,
595	BOOL *aRegistered = NULL);
596	void i_releaseStateDependency();
597
598	HRESULT i_getStorageControllerByName(const Utf8Str &aName,
599	ComObjPtr<StorageController> &aStorageController,
600	bool aSetError = false);
601
602	HRESULT i_getMediumAttachmentsOfController(const Utf8Str &aName,
603	MediaData::AttachmentList &aAttachments);
604
605	HRESULT i_getUSBControllerByName(const Utf8Str &aName,
606	ComObjPtr<USBController> &aUSBController,
607	bool aSetError = false);
608
609	HRESULT i_getBandwidthGroup(const Utf8Str &strBandwidthGroup,
610	ComObjPtr<BandwidthGroup> &pBandwidthGroup,
611	bool fSetError = false)
612	{
613	return mBandwidthControl->i_getBandwidthGroupByName(strBandwidthGroup,
614	pBandwidthGroup,
615	fSetError);
616	}
617
618	static HRESULT i_setErrorStatic(HRESULT aResultCode, const char *pcszMsg, ...);
619
620	protected:
621
622	class ClientToken;
623
624	HRESULT i_checkStateDependency(StateDependency aDepType);
625
626	Machine *i_getMachine();
627
628	void i_ensureNoStateDependencies();
629
630	virtual HRESULT i_setMachineState(MachineState_T aMachineState);
631
632	HRESULT i_findSharedFolder(const Utf8Str &aName,
633	ComObjPtr<SharedFolder> &aSharedFolder,
634	bool aSetError = false);
635
636	HRESULT i_loadSettings(bool aRegistered);
637	HRESULT i_loadMachineDataFromSettings(const settings::MachineConfigFile &config,
638	const Guid *puuidRegistry);
639	HRESULT i_loadSnapshot(const settings::Snapshot &data,
640	const Guid &aCurSnapshotId,
641	Snapshot *aParentSnapshot);
642	HRESULT i_loadHardware(const Guid *puuidRegistry,
643	const Guid *puuidSnapshot,
644	const settings::Hardware &data,
645	const settings::Debugging *pDbg,
646	const settings::Autostart *pAutostart);
647	HRESULT i_loadDebugging(const settings::Debugging *pDbg);
648	HRESULT i_loadAutostart(const settings::Autostart *pAutostart);
649	HRESULT i_loadStorageControllers(const settings::Storage &data,
650	const Guid *puuidRegistry,
651	const Guid *puuidSnapshot);
652	HRESULT i_loadStorageDevices(StorageController *aStorageController,
653	const settings::StorageController &data,
654	const Guid *puuidRegistry,
655	const Guid *puuidSnapshot);
656
657	HRESULT i_findSnapshotById(const Guid &aId,
658	ComObjPtr<Snapshot> &aSnapshot,
659	bool aSetError = false);
660	HRESULT i_findSnapshotByName(const Utf8Str &strName,
661	ComObjPtr<Snapshot> &aSnapshot,
662	bool aSetError = false);
663
664	ULONG i_getUSBControllerCountByType(USBControllerType_T enmType);
665
666	enum
667	{
668	/* flags for #saveSettings() */
669	SaveS_ResetCurStateModified = 0x01,
670	SaveS_Force = 0x04,
671	/* flags for #saveStateSettings() */
672	SaveSTS_CurStateModified = 0x20,
673	SaveSTS_StateFilePath = 0x40,
674	SaveSTS_StateTimeStamp = 0x80
675	};
676
677	HRESULT i_prepareSaveSettings(bool *pfNeedsGlobalSaveSettings);
678	HRESULT i_saveSettings(bool *pfNeedsGlobalSaveSettings, int aFlags = 0);
679
680	void i_copyMachineDataToSettings(settings::MachineConfigFile &config);
681	HRESULT i_saveAllSnapshots(settings::MachineConfigFile &config);
682	HRESULT i_saveHardware(settings::Hardware &data, settings::Debugging *pDbg,
683	settings::Autostart *pAutostart);
684	HRESULT i_saveStorageControllers(settings::Storage &data);
685	HRESULT i_saveStorageDevices(ComObjPtr<StorageController> aStorageController,
686	settings::StorageController &data);
687	HRESULT i_saveStateSettings(int aFlags);
688
689	void i_addMediumToRegistry(ComObjPtr<Medium> &pMedium);
690
691	HRESULT i_createImplicitDiffs(IProgress *aProgress,
692	ULONG aWeight,
693	bool aOnline);
694	HRESULT i_deleteImplicitDiffs(bool aOnline);
695
696	MediumAttachment* i_findAttachment(const MediaData::AttachmentList &ll,
697	const Utf8Str &aControllerName,
698	LONG aControllerPort,
699	LONG aDevice);
700	MediumAttachment* i_findAttachment(const MediaData::AttachmentList &ll,
701	ComObjPtr<Medium> pMedium);
702	MediumAttachment* i_findAttachment(const MediaData::AttachmentList &ll,
703	Guid &id);
704
705	HRESULT i_detachDevice(MediumAttachment *pAttach,
706	AutoWriteLock &writeLock,
707	Snapshot *pSnapshot);
708
709	HRESULT i_detachAllMedia(AutoWriteLock &writeLock,
710	Snapshot *pSnapshot,
711	CleanupMode_T cleanupMode,
712	MediaList &llMedia);
713
714	void i_commitMedia(bool aOnline = false);
715	void i_rollbackMedia();
716
717	bool i_isInOwnDir(Utf8Str *aSettingsDir = NULL) const;
718
719	void i_rollback(bool aNotify);
720	void i_commit();
721	void i_copyFrom(Machine *aThat);
722	bool i_isControllerHotplugCapable(StorageControllerType_T enmCtrlType);
723
724	Utf8Str i_getExtraData(const Utf8Str &strKey);
725
726	#ifdef VBOX_WITH_GUEST_PROPS
727	HRESULT i_getGuestPropertyFromService(const com::Utf8Str &aName, com::Utf8Str &aValue,
728	LONG64 *aTimestamp, com::Utf8Str &aFlags) const;
729	HRESULT i_setGuestPropertyToService(const com::Utf8Str &aName, const com::Utf8Str &aValue,
730	const com::Utf8Str &aFlags, bool fDelete);
731	HRESULT i_getGuestPropertyFromVM(const com::Utf8Str &aName, com::Utf8Str &aValue,
732	LONG64 *aTimestamp, com::Utf8Str &aFlags) const;
733	HRESULT i_setGuestPropertyToVM(const com::Utf8Str &aName, const com::Utf8Str &aValue,
734	const com::Utf8Str &aFlags, bool fDelete);
735	HRESULT i_enumerateGuestPropertiesInService(const com::Utf8Str &aPatterns,
736	std::vector<com::Utf8Str> &aNames,
737	std::vector<com::Utf8Str> &aValues,
738	std::vector<LONG64> &aTimestamps,
739	std::vector<com::Utf8Str> &aFlags);
740	HRESULT i_enumerateGuestPropertiesOnVM(const com::Utf8Str &aPatterns,
741	std::vector<com::Utf8Str> &aNames,
742	std::vector<com::Utf8Str> &aValues,
743	std::vector<LONG64> &aTimestamps,
744	std::vector<com::Utf8Str> &aFlags);
745
746	#endif /* VBOX_WITH_GUEST_PROPS */
747
748	#ifdef VBOX_WITH_RESOURCE_USAGE_API
749	void i_getDiskList(MediaList &list);
750	void i_registerMetrics(PerformanceCollector aCollector, Machine aMachine, RTPROCESS pid);
751
752	pm::CollectorGuest *mCollectorGuest;
753	#endif /* VBOX_WITH_RESOURCE_USAGE_API */
754
755	Machine * const mPeer;
756
757	VirtualBox * const mParent;
758
759	Shareable<Data> mData;
760	Shareable<SSData> mSSData;
761
762	Backupable<UserData> mUserData;
763	Backupable<HWData> mHWData;
764	Backupable<MediaData> mMediaData;
765
766	// the following fields need special backup/rollback/commit handling,
767	// so they cannot be a part of HWData
768
769	const ComObjPtr<VRDEServer> mVRDEServer;
770	const ComObjPtr<SerialPort> mSerialPorts[SchemaDefs::SerialPortCount];
771	const ComObjPtr<ParallelPort> mParallelPorts[SchemaDefs::ParallelPortCount];
772	const ComObjPtr<AudioAdapter> mAudioAdapter;
773	const ComObjPtr<USBDeviceFilters> mUSBDeviceFilters;
774	const ComObjPtr<BIOSSettings> mBIOSSettings;
775	const ComObjPtr<BandwidthControl> mBandwidthControl;
776	#ifdef VBOX_WITH_UNATTENDED
777	const ComObjPtr<Unattended> mUnattended;
778	#endif
779
780	typedef std::vector<ComObjPtr<NetworkAdapter> > NetworkAdapterVector;
781	NetworkAdapterVector mNetworkAdapters;
782
783	typedef std::list<ComObjPtr<StorageController> > StorageControllerList;
784	Backupable<StorageControllerList> mStorageControllers;
785
786	typedef std::list<ComObjPtr<USBController> > USBControllerList;
787	Backupable<USBControllerList> mUSBControllers;
788
789	uint64_t uRegistryNeedsSaving;
790
791	/**
792	* Abstract base class for all Machine or SessionMachine related
793	* asynchronous tasks. This is necessary since RTThreadCreate cannot call
794	* a (non-static) method as its thread function, so instead we have it call
795	* the static Machine::taskHandler, which then calls the handler() method
796	* in here (implemented by the subclasses).
797	*/
798	class Task : public ThreadTask
799	{
800	public:
801	Task(Machine m, Progress p, const Utf8Str &t)
802	: ThreadTask(t),
803	m_pMachine(m),
804	m_machineCaller(m),
805	m_pProgress(p),
806	m_machineStateBackup(m->mData->mMachineState) // save the current machine state
807	{}
808	virtual ~Task(){}
809
810	void modifyBackedUpState(MachineState_T s)
811	{
812	const_cast<MachineState_T >(&m_machineStateBackup) = s;
813	}
814
815	ComObjPtr<Machine> m_pMachine;
816	AutoCaller m_machineCaller;
817	ComObjPtr<Progress> m_pProgress;
818	const MachineState_T m_machineStateBackup;
819	};
820
821	class DeleteConfigTask;
822	void i_deleteConfigHandler(DeleteConfigTask &task);
823
824	friend class SessionMachine;
825	friend class SnapshotMachine;
826	friend class Appliance;
827	friend class VirtualBox;
828
829	friend class MachineCloneVM;
830
831	private:
832	// wrapped IMachine properties
833	HRESULT getParent(ComPtr<IVirtualBox> &aParent);
834	HRESULT getIcon(std::vector<BYTE> &aIcon);
835	HRESULT setIcon(const std::vector<BYTE> &aIcon);
836	HRESULT getAccessible(BOOL *aAccessible);
837	HRESULT getAccessError(ComPtr<IVirtualBoxErrorInfo> &aAccessError);
838	HRESULT getName(com::Utf8Str &aName);
839	HRESULT setName(const com::Utf8Str &aName);
840	HRESULT getDescription(com::Utf8Str &aDescription);
841	HRESULT setDescription(const com::Utf8Str &aDescription);
842	HRESULT getId(com::Guid &aId);
843	HRESULT getGroups(std::vector<com::Utf8Str> &aGroups);
844	HRESULT setGroups(const std::vector<com::Utf8Str> &aGroups);
845	HRESULT getOSTypeId(com::Utf8Str &aOSTypeId);
846	HRESULT setOSTypeId(const com::Utf8Str &aOSTypeId);
847	HRESULT getHardwareVersion(com::Utf8Str &aHardwareVersion);
848	HRESULT setHardwareVersion(const com::Utf8Str &aHardwareVersion);
849	HRESULT getHardwareUUID(com::Guid &aHardwareUUID);
850	HRESULT setHardwareUUID(const com::Guid &aHardwareUUID);
851	HRESULT getCPUCount(ULONG *aCPUCount);
852	HRESULT setCPUCount(ULONG aCPUCount);
853	HRESULT getCPUHotPlugEnabled(BOOL *aCPUHotPlugEnabled);
854	HRESULT setCPUHotPlugEnabled(BOOL aCPUHotPlugEnabled);
855	HRESULT getCPUExecutionCap(ULONG *aCPUExecutionCap);
856	HRESULT setCPUExecutionCap(ULONG aCPUExecutionCap);
857	HRESULT getCPUIDPortabilityLevel(ULONG *aCPUIDPortabilityLevel);
858	HRESULT setCPUIDPortabilityLevel(ULONG aCPUIDPortabilityLevel);
859	HRESULT getCPUProfile(com::Utf8Str &aCPUProfile);
860	HRESULT setCPUProfile(const com::Utf8Str &aCPUProfile);
861	HRESULT getMemorySize(ULONG *aMemorySize);
862	HRESULT setMemorySize(ULONG aMemorySize);
863	HRESULT getMemoryBalloonSize(ULONG *aMemoryBalloonSize);
864	HRESULT setMemoryBalloonSize(ULONG aMemoryBalloonSize);
865	HRESULT getPageFusionEnabled(BOOL *aPageFusionEnabled);
866	HRESULT setPageFusionEnabled(BOOL aPageFusionEnabled);
867	HRESULT getGraphicsControllerType(GraphicsControllerType_T *aGraphicsControllerType);
868	HRESULT setGraphicsControllerType(GraphicsControllerType_T aGraphicsControllerType);
869	HRESULT getVRAMSize(ULONG *aVRAMSize);
870	HRESULT setVRAMSize(ULONG aVRAMSize);
871	HRESULT getAccelerate3DEnabled(BOOL *aAccelerate3DEnabled);
872	HRESULT setAccelerate3DEnabled(BOOL aAccelerate3DEnabled);
873	HRESULT getAccelerate2DVideoEnabled(BOOL *aAccelerate2DVideoEnabled);
874	HRESULT setAccelerate2DVideoEnabled(BOOL aAccelerate2DVideoEnabled);
875	HRESULT getMonitorCount(ULONG *aMonitorCount);
876	HRESULT setMonitorCount(ULONG aMonitorCount);
877	HRESULT getVideoCaptureEnabled(BOOL *aVideoCaptureEnabled);
878	HRESULT setVideoCaptureEnabled(BOOL aVideoCaptureEnabled);
879	HRESULT getVideoCaptureScreens(std::vector<BOOL> &aVideoCaptureScreens);
880	HRESULT setVideoCaptureScreens(const std::vector<BOOL> &aVideoCaptureScreens);
881	HRESULT getVideoCaptureFile(com::Utf8Str &aVideoCaptureFile);
882	HRESULT setVideoCaptureFile(const com::Utf8Str &aVideoCaptureFile);
883	HRESULT getVideoCaptureWidth(ULONG *aVideoCaptureWidth);
884	HRESULT setVideoCaptureWidth(ULONG aVideoCaptureWidth);
885	HRESULT getVideoCaptureHeight(ULONG *aVideoCaptureHeight);
886	HRESULT setVideoCaptureHeight(ULONG aVideoCaptureHeight);
887	HRESULT getVideoCaptureRate(ULONG *aVideoCaptureRate);
888	HRESULT setVideoCaptureRate(ULONG aVideoCaptureRate);
889	HRESULT getVideoCaptureFPS(ULONG *aVideoCaptureFPS);
890	HRESULT setVideoCaptureFPS(ULONG aVideoCaptureFPS);
891	HRESULT getVideoCaptureMaxTime(ULONG *aVideoCaptureMaxTime);
892	HRESULT setVideoCaptureMaxTime(ULONG aVideoCaptureMaxTime);
893	HRESULT getVideoCaptureMaxFileSize(ULONG *aVideoCaptureMaxFileSize);
894	HRESULT setVideoCaptureMaxFileSize(ULONG aVideoCaptureMaxFileSize);
895	HRESULT getVideoCaptureOptions(com::Utf8Str &aVideoCaptureOptions);
896	HRESULT setVideoCaptureOptions(const com::Utf8Str &aVideoCaptureOptions);
897	HRESULT getBIOSSettings(ComPtr<IBIOSSettings> &aBIOSSettings);
898	HRESULT getFirmwareType(FirmwareType_T *aFirmwareType);
899	HRESULT setFirmwareType(FirmwareType_T aFirmwareType);
900	HRESULT getPointingHIDType(PointingHIDType_T *aPointingHIDType);
901	HRESULT setPointingHIDType(PointingHIDType_T aPointingHIDType);
902	HRESULT getKeyboardHIDType(KeyboardHIDType_T *aKeyboardHIDType);
903	HRESULT setKeyboardHIDType(KeyboardHIDType_T aKeyboardHIDType);
904	HRESULT getHPETEnabled(BOOL *aHPETEnabled);
905	HRESULT setHPETEnabled(BOOL aHPETEnabled);
906	HRESULT getChipsetType(ChipsetType_T *aChipsetType);
907	HRESULT setChipsetType(ChipsetType_T aChipsetType);
908	HRESULT getSnapshotFolder(com::Utf8Str &aSnapshotFolder);
909	HRESULT setSnapshotFolder(const com::Utf8Str &aSnapshotFolder);
910	HRESULT getVRDEServer(ComPtr<IVRDEServer> &aVRDEServer);
911	HRESULT getEmulatedUSBCardReaderEnabled(BOOL *aEmulatedUSBCardReaderEnabled);
912	HRESULT setEmulatedUSBCardReaderEnabled(BOOL aEmulatedUSBCardReaderEnabled);
913	HRESULT getMediumAttachments(std::vector<ComPtr<IMediumAttachment> > &aMediumAttachments);
914	HRESULT getUSBControllers(std::vector<ComPtr<IUSBController> > &aUSBControllers);
915	HRESULT getUSBDeviceFilters(ComPtr<IUSBDeviceFilters> &aUSBDeviceFilters);
916	HRESULT getAudioAdapter(ComPtr<IAudioAdapter> &aAudioAdapter);
917	HRESULT getStorageControllers(std::vector<ComPtr<IStorageController> > &aStorageControllers);
918	HRESULT getSettingsFilePath(com::Utf8Str &aSettingsFilePath);
919	HRESULT getSettingsAuxFilePath(com::Utf8Str &aSettingsAuxFilePath);
920	HRESULT getSettingsModified(BOOL *aSettingsModified);
921	HRESULT getSessionState(SessionState_T *aSessionState);
922	HRESULT getSessionType(SessionType_T *aSessionType);
923	HRESULT getSessionName(com::Utf8Str &aSessionType);
924	HRESULT getSessionPID(ULONG *aSessionPID);
925	HRESULT getState(MachineState_T *aState);
926	HRESULT getLastStateChange(LONG64 *aLastStateChange);
927	HRESULT getStateFilePath(com::Utf8Str &aStateFilePath);
928	HRESULT getLogFolder(com::Utf8Str &aLogFolder);
929	HRESULT getCurrentSnapshot(ComPtr<ISnapshot> &aCurrentSnapshot);
930	HRESULT getSnapshotCount(ULONG *aSnapshotCount);
931	HRESULT getCurrentStateModified(BOOL *aCurrentStateModified);
932	HRESULT getSharedFolders(std::vector<ComPtr<ISharedFolder> > &aSharedFolders);
933	HRESULT getClipboardMode(ClipboardMode_T *aClipboardMode);
934	HRESULT setClipboardMode(ClipboardMode_T aClipboardMode);
935	HRESULT getDnDMode(DnDMode_T *aDnDMode);
936	HRESULT setDnDMode(DnDMode_T aDnDMode);
937	HRESULT getTeleporterEnabled(BOOL *aTeleporterEnabled);
938	HRESULT setTeleporterEnabled(BOOL aTeleporterEnabled);
939	HRESULT getTeleporterPort(ULONG *aTeleporterPort);
940	HRESULT setTeleporterPort(ULONG aTeleporterPort);
941	HRESULT getTeleporterAddress(com::Utf8Str &aTeleporterAddress);
942	HRESULT setTeleporterAddress(const com::Utf8Str &aTeleporterAddress);
943	HRESULT getTeleporterPassword(com::Utf8Str &aTeleporterPassword);
944	HRESULT setTeleporterPassword(const com::Utf8Str &aTeleporterPassword);
945	HRESULT getParavirtProvider(ParavirtProvider_T *aParavirtProvider);
946	HRESULT setParavirtProvider(ParavirtProvider_T aParavirtProvider);
947	HRESULT getParavirtDebug(com::Utf8Str &aParavirtDebug);
948	HRESULT setParavirtDebug(const com::Utf8Str &aParavirtDebug);
949	HRESULT getFaultToleranceState(FaultToleranceState_T *aFaultToleranceState);
950	HRESULT setFaultToleranceState(FaultToleranceState_T aFaultToleranceState);
951	HRESULT getFaultTolerancePort(ULONG *aFaultTolerancePort);
952	HRESULT setFaultTolerancePort(ULONG aFaultTolerancePort);
953	HRESULT getFaultToleranceAddress(com::Utf8Str &aFaultToleranceAddress);
954	HRESULT setFaultToleranceAddress(const com::Utf8Str &aFaultToleranceAddress);
955	HRESULT getFaultTolerancePassword(com::Utf8Str &aFaultTolerancePassword);
956	HRESULT setFaultTolerancePassword(const com::Utf8Str &aFaultTolerancePassword);
957	HRESULT getFaultToleranceSyncInterval(ULONG *aFaultToleranceSyncInterval);
958	HRESULT setFaultToleranceSyncInterval(ULONG aFaultToleranceSyncInterval);
959	HRESULT getRTCUseUTC(BOOL *aRTCUseUTC);
960	HRESULT setRTCUseUTC(BOOL aRTCUseUTC);
961	HRESULT getIOCacheEnabled(BOOL *aIOCacheEnabled);
962	HRESULT setIOCacheEnabled(BOOL aIOCacheEnabled);
963	HRESULT getIOCacheSize(ULONG *aIOCacheSize);
964	HRESULT setIOCacheSize(ULONG aIOCacheSize);
965	HRESULT getPCIDeviceAssignments(std::vector<ComPtr<IPCIDeviceAttachment> > &aPCIDeviceAssignments);
966	HRESULT getBandwidthControl(ComPtr<IBandwidthControl> &aBandwidthControl);
967	HRESULT getTracingEnabled(BOOL *aTracingEnabled);
968	HRESULT setTracingEnabled(BOOL aTracingEnabled);
969	HRESULT getTracingConfig(com::Utf8Str &aTracingConfig);
970	HRESULT setTracingConfig(const com::Utf8Str &aTracingConfig);
971	HRESULT getAllowTracingToAccessVM(BOOL *aAllowTracingToAccessVM);
972	HRESULT setAllowTracingToAccessVM(BOOL aAllowTracingToAccessVM);
973	HRESULT getAutostartEnabled(BOOL *aAutostartEnabled);
974	HRESULT setAutostartEnabled(BOOL aAutostartEnabled);
975	HRESULT getAutostartDelay(ULONG *aAutostartDelay);
976	HRESULT setAutostartDelay(ULONG aAutostartDelay);
977	HRESULT getAutostopType(AutostopType_T *aAutostopType);
978	HRESULT setAutostopType(AutostopType_T aAutostopType);
979	HRESULT getDefaultFrontend(com::Utf8Str &aDefaultFrontend);
980	HRESULT setDefaultFrontend(const com::Utf8Str &aDefaultFrontend);
981	HRESULT getUSBProxyAvailable(BOOL *aUSBProxyAvailable);
982	HRESULT getVMProcessPriority(com::Utf8Str &aVMProcessPriority);
983	HRESULT setVMProcessPriority(const com::Utf8Str &aVMProcessPriority);
984	HRESULT getUnattended(ComPtr<IUnattended> &aUnattended);
985
986	// wrapped IMachine methods
987	HRESULT lockMachine(const ComPtr<ISession> &aSession,
988	LockType_T aLockType);
989	HRESULT launchVMProcess(const ComPtr<ISession> &aSession,
990	const com::Utf8Str &aType,
991	const com::Utf8Str &aEnvironment,
992	ComPtr<IProgress> &aProgress);
993	HRESULT setBootOrder(ULONG aPosition,
994	DeviceType_T aDevice);
995	HRESULT getBootOrder(ULONG aPosition,
996	DeviceType_T *aDevice);
997	HRESULT attachDevice(const com::Utf8Str &aName,
998	LONG aControllerPort,
999	LONG aDevice,
1000	DeviceType_T aType,
1001	const ComPtr<IMedium> &aMedium);
1002	HRESULT attachDeviceWithoutMedium(const com::Utf8Str &aName,
1003	LONG aControllerPort,
1004	LONG aDevice,
1005	DeviceType_T aType);
1006	HRESULT detachDevice(const com::Utf8Str &aName,
1007	LONG aControllerPort,
1008	LONG aDevice);
1009	HRESULT passthroughDevice(const com::Utf8Str &aName,
1010	LONG aControllerPort,
1011	LONG aDevice,
1012	BOOL aPassthrough);
1013	HRESULT temporaryEjectDevice(const com::Utf8Str &aName,
1014	LONG aControllerPort,
1015	LONG aDevice,
1016	BOOL aTemporaryEject);
1017	HRESULT nonRotationalDevice(const com::Utf8Str &aName,
1018	LONG aControllerPort,
1019	LONG aDevice,
1020	BOOL aNonRotational);
1021	HRESULT setAutoDiscardForDevice(const com::Utf8Str &aName,
1022	LONG aControllerPort,
1023	LONG aDevice,
1024	BOOL aDiscard);
1025	HRESULT setHotPluggableForDevice(const com::Utf8Str &aName,
1026	LONG aControllerPort,
1027	LONG aDevice,
1028	BOOL aHotPluggable);
1029	HRESULT setBandwidthGroupForDevice(const com::Utf8Str &aName,
1030	LONG aControllerPort,
1031	LONG aDevice,
1032	const ComPtr<IBandwidthGroup> &aBandwidthGroup);
1033	HRESULT setNoBandwidthGroupForDevice(const com::Utf8Str &aName,
1034	LONG aControllerPort,
1035	LONG aDevice);
1036	HRESULT unmountMedium(const com::Utf8Str &aName,
1037	LONG aControllerPort,
1038	LONG aDevice,
1039	BOOL aForce);
1040	HRESULT mountMedium(const com::Utf8Str &aName,
1041	LONG aControllerPort,
1042	LONG aDevice,
1043	const ComPtr<IMedium> &aMedium,
1044	BOOL aForce);
1045	HRESULT getMedium(const com::Utf8Str &aName,
1046	LONG aControllerPort,
1047	LONG aDevice,
1048	ComPtr<IMedium> &aMedium);
1049	HRESULT getMediumAttachmentsOfController(const com::Utf8Str &aName,
1050	std::vector<ComPtr<IMediumAttachment> > &aMediumAttachments);
1051	HRESULT getMediumAttachment(const com::Utf8Str &aName,
1052	LONG aControllerPort,
1053	LONG aDevice,
1054	ComPtr<IMediumAttachment> &aAttachment);
1055	HRESULT attachHostPCIDevice(LONG aHostAddress,
1056	LONG aDesiredGuestAddress,
1057	BOOL aTryToUnbind);
1058	HRESULT detachHostPCIDevice(LONG aHostAddress);
1059	HRESULT getNetworkAdapter(ULONG aSlot,
1060	ComPtr<INetworkAdapter> &aAdapter);
1061	HRESULT addStorageController(const com::Utf8Str &aName,
1062	StorageBus_T aConnectionType,
1063	ComPtr<IStorageController> &aController);
1064	HRESULT getStorageControllerByName(const com::Utf8Str &aName,
1065	ComPtr<IStorageController> &aStorageController);
1066	HRESULT getStorageControllerByInstance(StorageBus_T aConnectionType,
1067	ULONG aInstance,
1068	ComPtr<IStorageController> &aStorageController);
1069	HRESULT removeStorageController(const com::Utf8Str &aName);
1070	HRESULT setStorageControllerBootable(const com::Utf8Str &aName,
1071	BOOL aBootable);
1072	HRESULT addUSBController(const com::Utf8Str &aName,
1073	USBControllerType_T aType,
1074	ComPtr<IUSBController> &aController);
1075	HRESULT removeUSBController(const com::Utf8Str &aName);
1076	HRESULT getUSBControllerByName(const com::Utf8Str &aName,
1077	ComPtr<IUSBController> &aController);
1078	HRESULT getUSBControllerCountByType(USBControllerType_T aType,
1079	ULONG *aControllers);
1080	HRESULT getSerialPort(ULONG aSlot,
1081	ComPtr<ISerialPort> &aPort);
1082	HRESULT getParallelPort(ULONG aSlot,
1083	ComPtr<IParallelPort> &aPort);
1084	HRESULT getExtraDataKeys(std::vector<com::Utf8Str> &aKeys);
1085	HRESULT getExtraData(const com::Utf8Str &aKey,
1086	com::Utf8Str &aValue);
1087	HRESULT setExtraData(const com::Utf8Str &aKey,
1088	const com::Utf8Str &aValue);
1089	HRESULT getCPUProperty(CPUPropertyType_T aProperty,
1090	BOOL *aValue);
1091	HRESULT setCPUProperty(CPUPropertyType_T aProperty,
1092	BOOL aValue);
1093	HRESULT getCPUIDLeaf(ULONG aId,
1094	ULONG *aValEax,
1095	ULONG *aValEbx,
1096	ULONG *aValEcx,
1097	ULONG *aValEdx);
1098	HRESULT setCPUIDLeaf(ULONG aId,
1099	ULONG aValEax,
1100	ULONG aValEbx,
1101	ULONG aValEcx,
1102	ULONG aValEdx);
1103	HRESULT removeCPUIDLeaf(ULONG aId);
1104	HRESULT removeAllCPUIDLeaves();
1105	HRESULT getHWVirtExProperty(HWVirtExPropertyType_T aProperty,
1106	BOOL *aValue);
1107	HRESULT setHWVirtExProperty(HWVirtExPropertyType_T aProperty,
1108	BOOL aValue);
1109	HRESULT setSettingsFilePath(const com::Utf8Str &aSettingsFilePath,
1110	ComPtr<IProgress> &aProgress);
1111	HRESULT saveSettings();
1112	HRESULT discardSettings();
1113	HRESULT unregister(AutoCaller &aAutoCaller,
1114	CleanupMode_T aCleanupMode,
1115	std::vector<ComPtr<IMedium> > &aMedia);
1116	HRESULT deleteConfig(const std::vector<ComPtr<IMedium> > &aMedia,
1117	ComPtr<IProgress> &aProgress);
1118	HRESULT exportTo(const ComPtr<IAppliance> &aAppliance,
1119	const com::Utf8Str &aLocation,
1120	ComPtr<IVirtualSystemDescription> &aDescription);
1121	HRESULT findSnapshot(const com::Utf8Str &aNameOrId,
1122	ComPtr<ISnapshot> &aSnapshot);
1123	HRESULT createSharedFolder(const com::Utf8Str &aName,
1124	const com::Utf8Str &aHostPath,
1125	BOOL aWritable,
1126	BOOL aAutomount);
1127	HRESULT removeSharedFolder(const com::Utf8Str &aName);
1128	HRESULT canShowConsoleWindow(BOOL *aCanShow);
1129	HRESULT showConsoleWindow(LONG64 *aWinId);
1130	HRESULT getGuestProperty(const com::Utf8Str &aName,
1131	com::Utf8Str &aValue,
1132	LONG64 *aTimestamp,
1133	com::Utf8Str &aFlags);
1134	HRESULT getGuestPropertyValue(const com::Utf8Str &aProperty,
1135	com::Utf8Str &aValue);
1136	HRESULT getGuestPropertyTimestamp(const com::Utf8Str &aProperty,
1137	LONG64 *aValue);
1138	HRESULT setGuestProperty(const com::Utf8Str &aProperty,
1139	const com::Utf8Str &aValue,
1140	const com::Utf8Str &aFlags);
1141	HRESULT setGuestPropertyValue(const com::Utf8Str &aProperty,
1142	const com::Utf8Str &aValue);
1143	HRESULT deleteGuestProperty(const com::Utf8Str &aName);
1144	HRESULT enumerateGuestProperties(const com::Utf8Str &aPatterns,
1145	std::vector<com::Utf8Str> &aNames,
1146	std::vector<com::Utf8Str> &aValues,
1147	std::vector<LONG64> &aTimestamps,
1148	std::vector<com::Utf8Str> &aFlags);
1149	HRESULT querySavedGuestScreenInfo(ULONG aScreenId,
1150	ULONG *aOriginX,
1151	ULONG *aOriginY,
1152	ULONG *aWidth,
1153	ULONG *aHeight,
1154	BOOL *aEnabled);
1155	HRESULT readSavedThumbnailToArray(ULONG aScreenId,
1156	BitmapFormat_T aBitmapFormat,
1157	ULONG *aWidth,
1158	ULONG *aHeight,
1159	std::vector<BYTE> &aData);
1160	HRESULT querySavedScreenshotInfo(ULONG aScreenId,
1161	ULONG *aWidth,
1162	ULONG *aHeight,
1163	std::vector<BitmapFormat_T> &aBitmapFormats);
1164	HRESULT readSavedScreenshotToArray(ULONG aScreenId,
1165	BitmapFormat_T aBitmapFormat,
1166	ULONG *aWidth,
1167	ULONG *aHeight,
1168	std::vector<BYTE> &aData);
1169
1170	HRESULT hotPlugCPU(ULONG aCpu);
1171	HRESULT hotUnplugCPU(ULONG aCpu);
1172	HRESULT getCPUStatus(ULONG aCpu,
1173	BOOL *aAttached);
1174	HRESULT getEffectiveParavirtProvider(ParavirtProvider_T *aParavirtProvider);
1175	HRESULT queryLogFilename(ULONG aIdx,
1176	com::Utf8Str &aFilename);
1177	HRESULT readLog(ULONG aIdx,
1178	LONG64 aOffset,
1179	LONG64 aSize,
1180	std::vector<BYTE> &aData);
1181	HRESULT cloneTo(const ComPtr<IMachine> &aTarget,
1182	CloneMode_T aMode,
1183	const std::vector<CloneOptions_T> &aOptions,
1184	ComPtr<IProgress> &aProgress);
1185	HRESULT saveState(ComPtr<IProgress> &aProgress);
1186	HRESULT adoptSavedState(const com::Utf8Str &aSavedStateFile);
1187	HRESULT discardSavedState(BOOL aFRemoveFile);
1188	HRESULT takeSnapshot(const com::Utf8Str &aName,
1189	const com::Utf8Str &aDescription,
1190	BOOL aPause,
1191	com::Guid &aId,
1192	ComPtr<IProgress> &aProgress);
1193	HRESULT deleteSnapshot(const com::Guid &aId,
1194	ComPtr<IProgress> &aProgress);
1195	HRESULT deleteSnapshotAndAllChildren(const com::Guid &aId,
1196	ComPtr<IProgress> &aProgress);
1197	HRESULT deleteSnapshotRange(const com::Guid &aStartId,
1198	const com::Guid &aEndId,
1199	ComPtr<IProgress> &aProgress);
1200	HRESULT restoreSnapshot(const ComPtr<ISnapshot> &aSnapshot,
1201	ComPtr<IProgress> &aProgress);
1202	HRESULT applyDefaults(const com::Utf8Str &aFlags);
1203
1204	// wrapped IInternalMachineControl properties
1205
1206	// wrapped IInternalMachineControl methods
1207	HRESULT updateState(MachineState_T aState);
1208	HRESULT beginPowerUp(const ComPtr<IProgress> &aProgress);
1209	HRESULT endPowerUp(LONG aResult);
1210	HRESULT beginPoweringDown(ComPtr<IProgress> &aProgress);
1211	HRESULT endPoweringDown(LONG aResult,
1212	const com::Utf8Str &aErrMsg);
1213	HRESULT runUSBDeviceFilters(const ComPtr<IUSBDevice> &aDevice,
1214	BOOL *aMatched,
1215	ULONG *aMaskedInterfaces);
1216	HRESULT captureUSBDevice(const com::Guid &aId,
1217	const com::Utf8Str &aCaptureFilename);
1218	HRESULT detachUSBDevice(const com::Guid &aId,
1219	BOOL aDone);
1220	HRESULT autoCaptureUSBDevices();
1221	HRESULT detachAllUSBDevices(BOOL aDone);
1222	HRESULT onSessionEnd(const ComPtr<ISession> &aSession,
1223	ComPtr<IProgress> &aProgress);
1224	HRESULT finishOnlineMergeMedium();
1225	HRESULT pullGuestProperties(std::vector<com::Utf8Str> &aNames,
1226	std::vector<com::Utf8Str> &aValues,
1227	std::vector<LONG64> &aTimestamps,
1228	std::vector<com::Utf8Str> &aFlags);
1229	HRESULT pushGuestProperty(const com::Utf8Str &aName,
1230	const com::Utf8Str &aValue,
1231	LONG64 aTimestamp,
1232	const com::Utf8Str &aFlags);
1233	HRESULT lockMedia();
1234	HRESULT unlockMedia();
1235	HRESULT ejectMedium(const ComPtr<IMediumAttachment> &aAttachment,
1236	ComPtr<IMediumAttachment> &aNewAttachment);
1237	HRESULT reportVmStatistics(ULONG aValidStats,
1238	ULONG aCpuUser,
1239	ULONG aCpuKernel,
1240	ULONG aCpuIdle,
1241	ULONG aMemTotal,
1242	ULONG aMemFree,
1243	ULONG aMemBalloon,
1244	ULONG aMemShared,
1245	ULONG aMemCache,
1246	ULONG aPagedTotal,
1247	ULONG aMemAllocTotal,
1248	ULONG aMemFreeTotal,
1249	ULONG aMemBalloonTotal,
1250	ULONG aMemSharedTotal,
1251	ULONG aVmNetRx,
1252	ULONG aVmNetTx);
1253	HRESULT authenticateExternal(const std::vector<com::Utf8Str> &aAuthParams,
1254	com::Utf8Str &aResult);
1255	};
1256
1257	// SessionMachine class
1258	////////////////////////////////////////////////////////////////////////////////
1259
1260	/**
1261	* @note Notes on locking objects of this class:
1262	* SessionMachine shares some data with the primary Machine instance (pointed
1263	* to by the \|mPeer\| member). In order to provide data consistency it also
1264	* shares its lock handle. This means that whenever you lock a SessionMachine
1265	* instance using Auto[Reader]Lock or AutoMultiLock, the corresponding Machine
1266	* instance is also locked in the same lock mode. Keep it in mind.
1267	*/
1268	class ATL_NO_VTABLE SessionMachine :
1269	public Machine
1270	{
1271	public:
1272	VIRTUALBOXBASE_ADD_ERRORINFO_SUPPORT(SessionMachine, IMachine)
1273
1274	DECLARE_NOT_AGGREGATABLE(SessionMachine)
1275
1276	DECLARE_PROTECT_FINAL_CONSTRUCT()
1277
1278	BEGIN_COM_MAP(SessionMachine)
1279	COM_INTERFACE_ENTRY(ISupportErrorInfo)
1280	COM_INTERFACE_ENTRY(IMachine)
1281	COM_INTERFACE_ENTRY2(IDispatch, IMachine)
1282	COM_INTERFACE_ENTRY(IInternalMachineControl)
1283	VBOX_TWEAK_INTERFACE_ENTRY(IMachine)
1284	END_COM_MAP()
1285
1286	DECLARE_EMPTY_CTOR_DTOR(SessionMachine)
1287
1288	HRESULT FinalConstruct();
1289	void FinalRelease();
1290
1291	struct Uninit
1292	{
1293	enum Reason { Unexpected, Abnormal, Normal };
1294	};
1295
1296	// public initializer/uninitializer for internal purposes only
1297	HRESULT init(Machine *aMachine);
1298	void uninit() { uninit(Uninit::Unexpected); }
1299	void uninit(Uninit::Reason aReason);
1300
1301
1302	// util::Lockable interface
1303	RWLockHandle *lockHandle() const;
1304
1305	// public methods only for internal purposes
1306
1307	virtual bool i_isSessionMachine() const
1308	{
1309	return true;
1310	}
1311
1312	#ifndef VBOX_WITH_GENERIC_SESSION_WATCHER
1313	bool i_checkForDeath();
1314
1315	void i_getTokenId(Utf8Str &strTokenId);
1316	#else /* VBOX_WITH_GENERIC_SESSION_WATCHER */
1317	IToken *i_getToken();
1318	#endif /* VBOX_WITH_GENERIC_SESSION_WATCHER */
1319	// getClientToken must be only used by callers who can guarantee that
1320	// the object cannot be deleted in the mean time, i.e. have a caller/lock.
1321	ClientToken *i_getClientToken();
1322
1323	HRESULT i_onNetworkAdapterChange(INetworkAdapter *networkAdapter, BOOL changeAdapter);
1324	HRESULT i_onNATRedirectRuleChange(ULONG ulSlot, BOOL aNatRuleRemove, IN_BSTR aRuleName,
1325	NATProtocol_T aProto, IN_BSTR aHostIp, LONG aHostPort,
1326	IN_BSTR aGuestIp, LONG aGuestPort);
1327	HRESULT i_onStorageControllerChange();
1328	HRESULT i_onMediumChange(IMediumAttachment *aMediumAttachment, BOOL aForce);
1329	HRESULT i_onSerialPortChange(ISerialPort *serialPort);
1330	HRESULT i_onParallelPortChange(IParallelPort *parallelPort);
1331	HRESULT i_onCPUChange(ULONG aCPU, BOOL aRemove);
1332	HRESULT i_onVRDEServerChange(BOOL aRestart);
1333	HRESULT i_onVideoCaptureChange();
1334	HRESULT i_onUSBControllerChange();
1335	HRESULT i_onUSBDeviceAttach(IUSBDevice *aDevice,
1336	IVirtualBoxErrorInfo *aError,
1337	ULONG aMaskedIfs,
1338	const com::Utf8Str &aCaptureFilename);
1339	HRESULT i_onUSBDeviceDetach(IN_BSTR aId,
1340	IVirtualBoxErrorInfo *aError);
1341	HRESULT i_onSharedFolderChange();
1342	HRESULT i_onClipboardModeChange(ClipboardMode_T aClipboardMode);
1343	HRESULT i_onDnDModeChange(DnDMode_T aDnDMode);
1344	HRESULT i_onBandwidthGroupChange(IBandwidthGroup *aBandwidthGroup);
1345	HRESULT i_onStorageDeviceChange(IMediumAttachment *aMediumAttachment, BOOL aRemove, BOOL aSilent);
1346	HRESULT i_onCPUExecutionCapChange(ULONG aCpuExecutionCap);
1347
1348	bool i_hasMatchingUSBFilter(const ComObjPtr<HostUSBDevice> &aDevice, ULONG *aMaskedIfs);
1349
1350	HRESULT i_lockMedia();
1351	HRESULT i_unlockMedia();
1352
1353	HRESULT i_saveStateWithReason(Reason_T aReason, ComPtr<IProgress> &aProgress);
1354
1355	private:
1356
1357	// wrapped IInternalMachineControl properties
1358
1359	// wrapped IInternalMachineControl methods
1360	HRESULT setRemoveSavedStateFile(BOOL aRemove);
1361	HRESULT updateState(MachineState_T aState);
1362	HRESULT beginPowerUp(const ComPtr<IProgress> &aProgress);
1363	HRESULT endPowerUp(LONG aResult);
1364	HRESULT beginPoweringDown(ComPtr<IProgress> &aProgress);
1365	HRESULT endPoweringDown(LONG aResult,
1366	const com::Utf8Str &aErrMsg);
1367	HRESULT runUSBDeviceFilters(const ComPtr<IUSBDevice> &aDevice,
1368	BOOL *aMatched,
1369	ULONG *aMaskedInterfaces);
1370	HRESULT captureUSBDevice(const com::Guid &aId, const com::Utf8Str &aCaptureFilename);
1371	HRESULT detachUSBDevice(const com::Guid &aId,
1372	BOOL aDone);
1373	HRESULT autoCaptureUSBDevices();
1374	HRESULT detachAllUSBDevices(BOOL aDone);
1375	HRESULT onSessionEnd(const ComPtr<ISession> &aSession,
1376	ComPtr<IProgress> &aProgress);
1377	HRESULT finishOnlineMergeMedium();
1378	HRESULT pullGuestProperties(std::vector<com::Utf8Str> &aNames,
1379	std::vector<com::Utf8Str> &aValues,
1380	std::vector<LONG64> &aTimestamps,
1381	std::vector<com::Utf8Str> &aFlags);
1382	HRESULT pushGuestProperty(const com::Utf8Str &aName,
1383	const com::Utf8Str &aValue,
1384	LONG64 aTimestamp,
1385	const com::Utf8Str &aFlags);
1386	HRESULT lockMedia();
1387	HRESULT unlockMedia();
1388	HRESULT ejectMedium(const ComPtr<IMediumAttachment> &aAttachment,
1389	ComPtr<IMediumAttachment> &aNewAttachment);
1390	HRESULT reportVmStatistics(ULONG aValidStats,
1391	ULONG aCpuUser,
1392	ULONG aCpuKernel,
1393	ULONG aCpuIdle,
1394	ULONG aMemTotal,
1395	ULONG aMemFree,
1396	ULONG aMemBalloon,
1397	ULONG aMemShared,
1398	ULONG aMemCache,
1399	ULONG aPagedTotal,
1400	ULONG aMemAllocTotal,
1401	ULONG aMemFreeTotal,
1402	ULONG aMemBalloonTotal,
1403	ULONG aMemSharedTotal,
1404	ULONG aVmNetRx,
1405	ULONG aVmNetTx);
1406	HRESULT authenticateExternal(const std::vector<com::Utf8Str> &aAuthParams,
1407	com::Utf8Str &aResult);
1408
1409
1410	struct ConsoleTaskData
1411	{
1412	ConsoleTaskData()
1413	: mLastState(MachineState_Null),
1414	mDeleteSnapshotInfo(NULL)
1415	{ }
1416
1417	MachineState_T mLastState;
1418	ComObjPtr<Progress> mProgress;
1419
1420	// used when deleting online snaphshot
1421	void *mDeleteSnapshotInfo;
1422	};
1423
1424	class SaveStateTask;
1425	class SnapshotTask;
1426	class TakeSnapshotTask;
1427	class DeleteSnapshotTask;
1428	class RestoreSnapshotTask;
1429
1430	void i_saveStateHandler(SaveStateTask &aTask);
1431
1432	// Override some functionality for SessionMachine, this is where the
1433	// real action happens (the Machine methods are just dummies).
1434	HRESULT saveState(ComPtr<IProgress> &aProgress);
1435	HRESULT adoptSavedState(const com::Utf8Str &aSavedStateFile);
1436	HRESULT discardSavedState(BOOL aFRemoveFile);
1437	HRESULT takeSnapshot(const com::Utf8Str &aName,
1438	const com::Utf8Str &aDescription,
1439	BOOL aPause,
1440	com::Guid &aId,
1441	ComPtr<IProgress> &aProgress);
1442	HRESULT deleteSnapshot(const com::Guid &aId,
1443	ComPtr<IProgress> &aProgress);
1444	HRESULT deleteSnapshotAndAllChildren(const com::Guid &aId,
1445	ComPtr<IProgress> &aProgress);
1446	HRESULT deleteSnapshotRange(const com::Guid &aStartId,
1447	const com::Guid &aEndId,
1448	ComPtr<IProgress> &aProgress);
1449	HRESULT restoreSnapshot(const ComPtr<ISnapshot> &aSnapshot,
1450	ComPtr<IProgress> &aProgress);
1451
1452	void i_releaseSavedStateFile(const Utf8Str &strSavedStateFile, Snapshot *pSnapshotToIgnore);
1453
1454	void i_takeSnapshotHandler(TakeSnapshotTask &aTask);
1455	static void i_takeSnapshotProgressCancelCallback(void *pvUser);
1456	HRESULT i_finishTakingSnapshot(TakeSnapshotTask &aTask, AutoWriteLock &alock, bool aSuccess);
1457	HRESULT i_deleteSnapshot(const com::Guid &aStartId,
1458	const com::Guid &aEndId,
1459	BOOL aDeleteAllChildren,
1460	ComPtr<IProgress> &aProgress);
1461	void i_deleteSnapshotHandler(DeleteSnapshotTask &aTask);
1462	void i_restoreSnapshotHandler(RestoreSnapshotTask &aTask);
1463
1464	HRESULT i_prepareDeleteSnapshotMedium(const ComObjPtr<Medium> &aHD,
1465	const Guid &machineId,
1466	const Guid &snapshotId,
1467	bool fOnlineMergePossible,
1468	MediumLockList *aVMMALockList,
1469	ComObjPtr<Medium> &aSource,
1470	ComObjPtr<Medium> &aTarget,
1471	bool &fMergeForward,
1472	ComObjPtr<Medium> &pParentForTarget,
1473	MediumLockList * &aChildrenToReparent,
1474	bool &fNeedOnlineMerge,
1475	MediumLockList * &aMediumLockList,
1476	ComPtr<IToken> &aHDLockToken);
1477	void i_cancelDeleteSnapshotMedium(const ComObjPtr<Medium> &aHD,
1478	const ComObjPtr<Medium> &aSource,
1479	MediumLockList *aChildrenToReparent,
1480	bool fNeedsOnlineMerge,
1481	MediumLockList *aMediumLockList,
1482	const ComPtr<IToken> &aHDLockToken,
1483	const Guid &aMediumId,
1484	const Guid &aSnapshotId);
1485	HRESULT i_onlineMergeMedium(const ComObjPtr<MediumAttachment> &aMediumAttachment,
1486	const ComObjPtr<Medium> &aSource,
1487	const ComObjPtr<Medium> &aTarget,
1488	bool fMergeForward,
1489	const ComObjPtr<Medium> &pParentForTarget,
1490	MediumLockList *aChildrenToReparent,
1491	MediumLockList *aMediumLockList,
1492	ComObjPtr<Progress> &aProgress,
1493	bool *pfNeedsMachineSaveSettings);
1494
1495	HRESULT i_setMachineState(MachineState_T aMachineState);
1496	HRESULT i_updateMachineStateOnClient();
1497
1498	bool mRemoveSavedState;
1499
1500	ConsoleTaskData mConsoleTaskData;
1501
1502	/** client token for this machine */
1503	ClientToken *mClientToken;
1504
1505	int miNATNetworksStarted;
1506
1507	AUTHLIBRARYCONTEXT mAuthLibCtx;
1508	};
1509
1510	// SnapshotMachine class
1511	////////////////////////////////////////////////////////////////////////////////
1512
1513	/**
1514	* @note Notes on locking objects of this class:
1515	* SnapshotMachine shares some data with the primary Machine instance (pointed
1516	* to by the \|mPeer\| member). In order to provide data consistency it also
1517	* shares its lock handle. This means that whenever you lock a SessionMachine
1518	* instance using Auto[Reader]Lock or AutoMultiLock, the corresponding Machine
1519	* instance is also locked in the same lock mode. Keep it in mind.
1520	*/
1521	class ATL_NO_VTABLE SnapshotMachine :
1522	public Machine
1523	{
1524	public:
1525	VIRTUALBOXBASE_ADD_ERRORINFO_SUPPORT(SnapshotMachine, IMachine)
1526
1527	DECLARE_NOT_AGGREGATABLE(SnapshotMachine)
1528
1529	DECLARE_PROTECT_FINAL_CONSTRUCT()
1530
1531	BEGIN_COM_MAP(SnapshotMachine)
1532	COM_INTERFACE_ENTRY(ISupportErrorInfo)
1533	COM_INTERFACE_ENTRY(IMachine)
1534	COM_INTERFACE_ENTRY2(IDispatch, IMachine)
1535	VBOX_TWEAK_INTERFACE_ENTRY(IMachine)
1536	END_COM_MAP()
1537
1538	DECLARE_EMPTY_CTOR_DTOR(SnapshotMachine)
1539
1540	HRESULT FinalConstruct();
1541	void FinalRelease();
1542
1543	// public initializer/uninitializer for internal purposes only
1544	HRESULT init(SessionMachine *aSessionMachine,
1545	IN_GUID aSnapshotId,
1546	const Utf8Str &aStateFilePath);
1547	HRESULT initFromSettings(Machine *aMachine,
1548	const settings::Hardware &hardware,
1549	const settings::Debugging *pDbg,
1550	const settings::Autostart *pAutostart,
1551	IN_GUID aSnapshotId,
1552	const Utf8Str &aStateFilePath);
1553	void uninit();
1554
1555	// util::Lockable interface
1556	RWLockHandle *lockHandle() const;
1557
1558	// public methods only for internal purposes
1559
1560	virtual bool i_isSnapshotMachine() const
1561	{
1562	return true;
1563	}
1564
1565	HRESULT i_onSnapshotChange(Snapshot *aSnapshot);
1566
1567	// unsafe inline public methods for internal purposes only (ensure there is
1568	// a caller and a read lock before calling them!)
1569
1570	const Guid& i_getSnapshotId() const { return mSnapshotId; }
1571
1572	private:
1573
1574	Guid mSnapshotId;
1575	/** This field replaces mPeer for SessionMachine instances, as having
1576	* a peer reference is plain meaningless and causes many subtle problems
1577	* with saving settings and the like. */
1578	Machine * const mMachine;
1579
1580	friend class Snapshot;
1581	};
1582
1583	// third party methods that depend on SnapshotMachine definition
1584
1585	inline const Guid &Machine::i_getSnapshotId() const
1586	{
1587	return (i_isSnapshotMachine())
1588	? static_cast<const SnapshotMachine*>(this)->i_getSnapshotId()
1589	: Guid::Empty;
1590	}
1591
1592
1593	#endif // ____H_MACHINEIMPL
1594	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/include/MachineImpl.h@ 65539

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