MachineImpl.h@ 72332

Last change on this file since 72332 was 72332, checked in by vboxsync, 7 years ago
Main: Added HWVirtExPropertyType::UseNativeApi for use with IMachine::getHWVirtExProperty and IMachine::setHWVirtExProperty. bugref:9044
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 69.3 KB

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1	/* $Id: MachineImpl.h 72332 2018-05-24 20:51:23Z vboxsync $ */
2	/** @file
3	* Implementation of IMachine in VBoxSVC - Header.
4	*/
5
6	/*
7	* Copyright (C) 2006-2017 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
44	// generated header
45	#include "SchemaDefs.h"
46
47	#include "VBox/com/ErrorInfo.h"
48
49	#include <iprt/file.h>
50	#include <iprt/thread.h>
51	#include <iprt/time.h>
52
53	#include <list>
54	#include <vector>
55
56	#include "MachineWrap.h"
57
58	/** @todo r=klaus after moving the various Machine settings structs to
59	* MachineImpl.cpp it should be possible to eliminate this include. */
60	#include <VBox/settings.h>
61
62	// defines
63	////////////////////////////////////////////////////////////////////////////////
64
65	// helper declarations
66	////////////////////////////////////////////////////////////////////////////////
67
68	class Progress;
69	class ProgressProxy;
70	class Keyboard;
71	class Mouse;
72	class Display;
73	class MachineDebugger;
74	class USBController;
75	class USBDeviceFilters;
76	class Snapshot;
77	class SharedFolder;
78	class HostUSBDevice;
79	class StorageController;
80	class SessionMachine;
81	#ifdef VBOX_WITH_UNATTENDED
82	class Unattended;
83	#endif
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	* @todo r=klaus move all "pointer" objects out of this struct, as they
239	* need non-obvious handling when creating a new session or when taking
240	* a snapshot. Better do this right straight away, not relying on the
241	* template magic which doesn't work right in this case.
242	*/
243	struct HWData
244	{
245	/**
246	* Data structure to hold information about a guest property.
247	*/
248	struct GuestProperty {
249	/** Property value */
250	Utf8Str strValue;
251	/** Property timestamp */
252	LONG64 mTimestamp;
253	/** Property flags */
254	ULONG mFlags;
255	};
256
257	HWData();
258	~HWData();
259
260	Bstr mHWVersion;
261	Guid mHardwareUUID; /*< If Null, use mData.mUuid. /
262	ULONG mMemorySize;
263	ULONG mMemoryBalloonSize;
264	BOOL mPageFusionEnabled;
265	GraphicsControllerType_T mGraphicsControllerType;
266	ULONG mVRAMSize;
267	ULONG mVideoCaptureWidth;
268	ULONG mVideoCaptureHeight;
269	ULONG mVideoCaptureRate;
270	ULONG mVideoCaptureFPS;
271	ULONG mVideoCaptureMaxTime;
272	ULONG mVideoCaptureMaxFileSize;
273	Utf8Str mVideoCaptureOptions;
274	Utf8Str mVideoCaptureFile;
275	BOOL mVideoCaptureEnabled;
276	BOOL maVideoCaptureScreens[SchemaDefs::MaxGuestMonitors];
277	ULONG mMonitorCount;
278	BOOL mHWVirtExEnabled;
279	BOOL mHWVirtExNestedPagingEnabled;
280	BOOL mHWVirtExLargePagesEnabled;
281	BOOL mHWVirtExVPIDEnabled;
282	BOOL mHWVirtExUXEnabled;
283	BOOL mHWVirtExForceEnabled;
284	BOOL mHWVirtExUseNativeApi;
285	BOOL mAccelerate2DVideoEnabled;
286	BOOL mPAEEnabled;
287	settings::Hardware::LongModeType mLongMode;
288	BOOL mTripleFaultReset;
289	BOOL mAPIC;
290	BOOL mX2APIC;
291	BOOL mIBPBOnVMExit;
292	BOOL mIBPBOnVMEntry;
293	BOOL mSpecCtrl;
294	BOOL mSpecCtrlByHost;
295	BOOL mNestedHWVirt;
296	ULONG mCPUCount;
297	BOOL mCPUHotPlugEnabled;
298	ULONG mCpuExecutionCap;
299	uint32_t mCpuIdPortabilityLevel;
300	Utf8Str mCpuProfile;
301	BOOL mAccelerate3DEnabled;
302	BOOL mHPETEnabled;
303
304	BOOL mCPUAttached[SchemaDefs::MaxCPUCount];
305
306	std::list<settings::CpuIdLeaf> mCpuIdLeafList;
307
308	DeviceType_T mBootOrder[SchemaDefs::MaxBootPosition];
309
310	typedef std::list<ComObjPtr<SharedFolder> > SharedFolderList;
311	SharedFolderList mSharedFolders;
312
313	ClipboardMode_T mClipboardMode;
314	DnDMode_T mDnDMode;
315
316	typedef std::map<Utf8Str, GuestProperty> GuestPropertyMap;
317	GuestPropertyMap mGuestProperties;
318
319	FirmwareType_T mFirmwareType;
320	KeyboardHIDType_T mKeyboardHIDType;
321	PointingHIDType_T mPointingHIDType;
322	ChipsetType_T mChipsetType;
323	ParavirtProvider_T mParavirtProvider;
324	Utf8Str mParavirtDebug;
325	BOOL mEmulatedUSBCardReaderEnabled;
326
327	BOOL mIOCacheEnabled;
328	ULONG mIOCacheSize;
329
330	typedef std::list<ComObjPtr<PCIDeviceAttachment> > PCIDeviceAssignmentList;
331	PCIDeviceAssignmentList mPCIDeviceAssignments;
332
333	settings::Debugging mDebugging;
334	settings::Autostart mAutostart;
335
336	Utf8Str mDefaultFrontend;
337	};
338
339	typedef std::list<ComObjPtr<MediumAttachment> > MediumAttachmentList;
340
341	DECLARE_EMPTY_CTOR_DTOR(Machine)
342
343	HRESULT FinalConstruct();
344	void FinalRelease();
345
346	// public initializer/uninitializer for internal purposes only:
347
348	// initializer for creating a new, empty machine
349	HRESULT init(VirtualBox *aParent,
350	const Utf8Str &strConfigFile,
351	const Utf8Str &strName,
352	const StringsList &llGroups,
353	GuestOSType *aOsType,
354	const Guid &aId,
355	bool fForceOverwrite,
356	bool fDirectoryIncludesUUID);
357
358	// initializer for loading existing machine XML (either registered or not)
359	HRESULT initFromSettings(VirtualBox *aParent,
360	const Utf8Str &strConfigFile,
361	const Guid *aId);
362
363	// initializer for machine config in memory (OVF import)
364	HRESULT init(VirtualBox *aParent,
365	const Utf8Str &strName,
366	const settings::MachineConfigFile &config);
367
368	void uninit();
369
370	#ifdef VBOX_WITH_RESOURCE_USAGE_API
371	// Needed from VirtualBox, for the delayed metrics cleanup.
372	void i_unregisterMetrics(PerformanceCollector aCollector, Machine aMachine);
373	#endif /* VBOX_WITH_RESOURCE_USAGE_API */
374
375	protected:
376	HRESULT initImpl(VirtualBox *aParent,
377	const Utf8Str &strConfigFile);
378	HRESULT initDataAndChildObjects();
379	HRESULT i_registeredInit();
380	HRESULT i_tryCreateMachineConfigFile(bool fForceOverwrite);
381	void uninitDataAndChildObjects();
382
383	public:
384
385
386	// public methods only for internal purposes
387
388	virtual bool i_isSnapshotMachine() const
389	{
390	return false;
391	}
392
393	virtual bool i_isSessionMachine() const
394	{
395	return false;
396	}
397
398	/**
399	* Override of the default locking class to be used for validating lock
400	* order with the standard member lock handle.
401	*/
402	virtual VBoxLockingClass getLockingClass() const
403	{
404	return LOCKCLASS_MACHINEOBJECT;
405	}
406
407	/// @todo (dmik) add lock and make non-inlined after revising classes
408	// that use it. Note: they should enter Machine lock to keep the returned
409	// information valid!
410	bool i_isRegistered() { return !!mData->mRegistered; }
411
412	// unsafe inline public methods for internal purposes only (ensure there is
413	// a caller and a read lock before calling them!)
414
415	/**
416	* Returns the VirtualBox object this machine belongs to.
417	*
418	* @note This method doesn't check this object's readiness. Intended to be
419	* used by ready Machine children (whose readiness is bound to the parent's
420	* one) or after doing addCaller() manually.
421	*/
422	VirtualBox* i_getVirtualBox() const { return mParent; }
423
424	/**
425	* Checks if this machine is accessible, without attempting to load the
426	* config file.
427	*
428	* @note This method doesn't check this object's readiness. Intended to be
429	* used by ready Machine children (whose readiness is bound to the parent's
430	* one) or after doing addCaller() manually.
431	*/
432	bool i_isAccessible() const { return !!mData->mAccessible; }
433
434	/**
435	* Returns this machine ID.
436	*
437	* @note This method doesn't check this object's readiness. Intended to be
438	* used by ready Machine children (whose readiness is bound to the parent's
439	* one) or after adding a caller manually.
440	*/
441	const Guid& i_getId() const { return mData->mUuid; }
442
443	/**
444	* Returns the snapshot ID this machine represents or an empty UUID if this
445	* instance is not SnapshotMachine.
446	*
447	* @note This method doesn't check this object's readiness. Intended to be
448	* used by ready Machine children (whose readiness is bound to the parent's
449	* one) or after adding a caller manually.
450	*/
451	inline const Guid& i_getSnapshotId() const;
452
453	/**
454	* Returns this machine's full settings file path.
455	*
456	* @note This method doesn't lock this object or check its readiness.
457	* Intended to be used only after doing addCaller() manually and locking it
458	* for reading.
459	*/
460	const Utf8Str& i_getSettingsFileFull() const { return mData->m_strConfigFileFull; }
461
462	/**
463	* Returns this machine name.
464	*
465	* @note This method doesn't lock this object or check its readiness.
466	* Intended to be used only after doing addCaller() manually and locking it
467	* for reading.
468	*/
469	const Utf8Str& i_getName() const { return mUserData->s.strName; }
470
471	enum
472	{
473	IsModified_MachineData = 0x0001,
474	IsModified_Storage = 0x0002,
475	IsModified_NetworkAdapters = 0x0008,
476	IsModified_SerialPorts = 0x0010,
477	IsModified_ParallelPorts = 0x0020,
478	IsModified_VRDEServer = 0x0040,
479	IsModified_AudioAdapter = 0x0080,
480	IsModified_USB = 0x0100,
481	IsModified_BIOS = 0x0200,
482	IsModified_SharedFolders = 0x0400,
483	IsModified_Snapshots = 0x0800,
484	IsModified_BandwidthControl = 0x1000
485	};
486
487	/**
488	* Returns various information about this machine.
489	*
490	* @note This method doesn't lock this object or check its readiness.
491	* Intended to be used only after doing addCaller() manually and locking it
492	* for reading.
493	*/
494	Utf8Str i_getOSTypeId() const { return mUserData->s.strOsType; }
495	ChipsetType_T i_getChipsetType() const { return mHWData->mChipsetType; }
496	ParavirtProvider_T i_getParavirtProvider() const { return mHWData->mParavirtProvider; }
497	Utf8Str i_getParavirtDebug() const { return mHWData->mParavirtDebug; }
498
499	void i_setModified(uint32_t fl, bool fAllowStateModification = true);
500	void i_setModifiedLock(uint32_t fl, bool fAllowStateModification = true);
501
502	bool i_isStateModificationAllowed() const { return mData->m_fAllowStateModification; }
503	void i_allowStateModification() { mData->m_fAllowStateModification = true; }
504	void i_disallowStateModification() { mData->m_fAllowStateModification = false; }
505
506	const StringsList &i_getGroups() const { return mUserData->s.llGroups; }
507
508	// callback handlers
509	virtual HRESULT i_onNetworkAdapterChange(INetworkAdapter * /* networkAdapter /, BOOL / changeAdapter */) { return S_OK; }
510	virtual HRESULT i_onNATRedirectRuleChange(ULONG /* slot /, BOOL / fRemove / , IN_BSTR / name */,
511	NATProtocol_T /* protocol /, IN_BSTR / host ip /, LONG / host port */,
512	IN_BSTR /* guest port /, LONG / guest port */ ) { return S_OK; }
513	virtual HRESULT i_onAudioAdapterChange(IAudioAdapter * /* audioAdapter */) { return S_OK; }
514	virtual HRESULT i_onSerialPortChange(ISerialPort * /* serialPort */) { return S_OK; }
515	virtual HRESULT i_onParallelPortChange(IParallelPort * /* parallelPort */) { return S_OK; }
516	virtual HRESULT i_onVRDEServerChange(BOOL /* aRestart */) { return S_OK; }
517	virtual HRESULT i_onUSBControllerChange() { return S_OK; }
518	virtual HRESULT i_onStorageControllerChange() { return S_OK; }
519	virtual HRESULT i_onCPUChange(ULONG /* aCPU /, BOOL / aRemove */) { return S_OK; }
520	virtual HRESULT i_onCPUExecutionCapChange(ULONG /* aExecutionCap */) { return S_OK; }
521	virtual HRESULT i_onMediumChange(IMediumAttachment * /* mediumAttachment /, BOOL / force */) { return S_OK; }
522	virtual HRESULT i_onSharedFolderChange() { return S_OK; }
523	virtual HRESULT i_onClipboardModeChange(ClipboardMode_T /* aClipboardMode */) { return S_OK; }
524	virtual HRESULT i_onDnDModeChange(DnDMode_T /* aDnDMode */) { return S_OK; }
525	virtual HRESULT i_onBandwidthGroupChange(IBandwidthGroup * /* aBandwidthGroup */) { return S_OK; }
526	virtual HRESULT i_onStorageDeviceChange(IMediumAttachment * /* mediumAttachment /, BOOL / remove */,
527	BOOL /* silent */) { return S_OK; }
528	virtual HRESULT i_onVideoCaptureChange() { return S_OK; }
529
530	HRESULT i_saveRegistryEntry(settings::MachineRegistryEntry &data);
531
532	int i_calculateFullPath(const Utf8Str &strPath, Utf8Str &aResult);
533	void i_copyPathRelativeToMachine(const Utf8Str &strSource, Utf8Str &strTarget);
534
535	void i_getLogFolder(Utf8Str &aLogFolder);
536	Utf8Str i_getLogFilename(ULONG idx);
537	Utf8Str i_getHardeningLogFilename(void);
538
539	void i_composeSavedStateFilename(Utf8Str &strStateFilePath);
540
541	void i_getDefaultVideoCaptureFile(Utf8Str &strFile);
542
543	bool i_isUSBControllerPresent();
544
545	HRESULT i_launchVMProcess(IInternalSessionControl *aControl,
546	const Utf8Str &strType,
547	const Utf8Str &strEnvironment,
548	ProgressProxy *aProgress);
549
550	HRESULT i_getDirectControl(ComPtr<IInternalSessionControl> *directControl)
551	{
552	HRESULT rc;
553	*directControl = mData->mSession.mDirectControl;
554
555	if (!*directControl)
556	rc = E_ACCESSDENIED;
557	else
558	rc = S_OK;
559
560	return rc;
561	}
562
563	bool i_isSessionOpen(ComObjPtr<SessionMachine> &aMachine,
564	ComPtr<IInternalSessionControl> *aControl = NULL,
565	bool aRequireVM = false,
566	bool aAllowClosing = false);
567	bool i_isSessionSpawning();
568
569	bool i_isSessionOpenOrClosing(ComObjPtr<SessionMachine> &aMachine,
570	ComPtr<IInternalSessionControl> *aControl = NULL)
571	{ return i_isSessionOpen(aMachine, aControl, false /* aRequireVM /, true / aAllowClosing */); }
572
573	bool i_isSessionOpenVM(ComObjPtr<SessionMachine> &aMachine,
574	ComPtr<IInternalSessionControl> *aControl = NULL)
575	{ return i_isSessionOpen(aMachine, aControl, true /* aRequireVM /, false / aAllowClosing */); }
576
577	bool i_checkForSpawnFailure();
578
579	HRESULT i_prepareRegister();
580
581	HRESULT i_getSharedFolder(CBSTR aName,
582	ComObjPtr<SharedFolder> &aSharedFolder,
583	bool aSetError = false)
584	{
585	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
586	return i_findSharedFolder(aName, aSharedFolder, aSetError);
587	}
588
589	HRESULT i_addStateDependency(StateDependency aDepType = AnyStateDep,
590	MachineState_T *aState = NULL,
591	BOOL *aRegistered = NULL);
592	void i_releaseStateDependency();
593
594	HRESULT i_getStorageControllerByName(const Utf8Str &aName,
595	ComObjPtr<StorageController> &aStorageController,
596	bool aSetError = false);
597
598	HRESULT i_getMediumAttachmentsOfController(const Utf8Str &aName,
599	MediumAttachmentList &aAttachments);
600
601	HRESULT i_getUSBControllerByName(const Utf8Str &aName,
602	ComObjPtr<USBController> &aUSBController,
603	bool aSetError = false);
604
605	HRESULT i_getBandwidthGroup(const Utf8Str &strBandwidthGroup,
606	ComObjPtr<BandwidthGroup> &pBandwidthGroup,
607	bool fSetError = false)
608	{
609	return mBandwidthControl->i_getBandwidthGroupByName(strBandwidthGroup,
610	pBandwidthGroup,
611	fSetError);
612	}
613
614	static HRESULT i_setErrorStatic(HRESULT aResultCode, const char *pcszMsg, ...);
615
616	protected:
617
618	class ClientToken;
619
620	HRESULT i_checkStateDependency(StateDependency aDepType);
621
622	Machine *i_getMachine();
623
624	void i_ensureNoStateDependencies();
625
626	virtual HRESULT i_setMachineState(MachineState_T aMachineState);
627
628	HRESULT i_findSharedFolder(const Utf8Str &aName,
629	ComObjPtr<SharedFolder> &aSharedFolder,
630	bool aSetError = false);
631
632	HRESULT i_loadSettings(bool aRegistered);
633	HRESULT i_loadMachineDataFromSettings(const settings::MachineConfigFile &config,
634	const Guid *puuidRegistry);
635	HRESULT i_loadSnapshot(const settings::Snapshot &data,
636	const Guid &aCurSnapshotId,
637	Snapshot *aParentSnapshot);
638	HRESULT i_loadHardware(const Guid *puuidRegistry,
639	const Guid *puuidSnapshot,
640	const settings::Hardware &data,
641	const settings::Debugging *pDbg,
642	const settings::Autostart *pAutostart);
643	HRESULT i_loadDebugging(const settings::Debugging *pDbg);
644	HRESULT i_loadAutostart(const settings::Autostart *pAutostart);
645	HRESULT i_loadStorageControllers(const settings::Storage &data,
646	const Guid *puuidRegistry,
647	const Guid *puuidSnapshot);
648	HRESULT i_loadStorageDevices(StorageController *aStorageController,
649	const settings::StorageController &data,
650	const Guid *puuidRegistry,
651	const Guid *puuidSnapshot);
652
653	HRESULT i_findSnapshotById(const Guid &aId,
654	ComObjPtr<Snapshot> &aSnapshot,
655	bool aSetError = false);
656	HRESULT i_findSnapshotByName(const Utf8Str &strName,
657	ComObjPtr<Snapshot> &aSnapshot,
658	bool aSetError = false);
659
660	ULONG i_getUSBControllerCountByType(USBControllerType_T enmType);
661
662	enum
663	{
664	/* flags for #saveSettings() */
665	SaveS_ResetCurStateModified = 0x01,
666	SaveS_Force = 0x04,
667	/* flags for #saveStateSettings() */
668	SaveSTS_CurStateModified = 0x20,
669	SaveSTS_StateFilePath = 0x40,
670	SaveSTS_StateTimeStamp = 0x80
671	};
672
673	HRESULT i_prepareSaveSettings(bool *pfNeedsGlobalSaveSettings);
674	HRESULT i_saveSettings(bool *pfNeedsGlobalSaveSettings, int aFlags = 0);
675
676	void i_copyMachineDataToSettings(settings::MachineConfigFile &config);
677	HRESULT i_saveAllSnapshots(settings::MachineConfigFile &config);
678	HRESULT i_saveHardware(settings::Hardware &data, settings::Debugging *pDbg,
679	settings::Autostart *pAutostart);
680	HRESULT i_saveStorageControllers(settings::Storage &data);
681	HRESULT i_saveStorageDevices(ComObjPtr<StorageController> aStorageController,
682	settings::StorageController &data);
683	HRESULT i_saveStateSettings(int aFlags);
684
685	void i_addMediumToRegistry(ComObjPtr<Medium> &pMedium);
686
687	HRESULT i_createImplicitDiffs(IProgress *aProgress,
688	ULONG aWeight,
689	bool aOnline);
690	HRESULT i_deleteImplicitDiffs(bool aOnline);
691
692	MediumAttachment* i_findAttachment(const MediumAttachmentList &ll,
693	const Utf8Str &aControllerName,
694	LONG aControllerPort,
695	LONG aDevice);
696	MediumAttachment* i_findAttachment(const MediumAttachmentList &ll,
697	ComObjPtr<Medium> pMedium);
698	MediumAttachment* i_findAttachment(const MediumAttachmentList &ll,
699	Guid &id);
700
701	HRESULT i_detachDevice(MediumAttachment *pAttach,
702	AutoWriteLock &writeLock,
703	Snapshot *pSnapshot);
704
705	HRESULT i_detachAllMedia(AutoWriteLock &writeLock,
706	Snapshot *pSnapshot,
707	CleanupMode_T cleanupMode,
708	MediaList &llMedia);
709
710	void i_commitMedia(bool aOnline = false);
711	void i_rollbackMedia();
712
713	bool i_isInOwnDir(Utf8Str *aSettingsDir = NULL) const;
714
715	void i_rollback(bool aNotify);
716	void i_commit();
717	void i_copyFrom(Machine *aThat);
718	bool i_isControllerHotplugCapable(StorageControllerType_T enmCtrlType);
719
720	Utf8Str i_getExtraData(const Utf8Str &strKey);
721
722	#ifdef VBOX_WITH_GUEST_PROPS
723	HRESULT i_getGuestPropertyFromService(const com::Utf8Str &aName, com::Utf8Str &aValue,
724	LONG64 *aTimestamp, com::Utf8Str &aFlags) const;
725	HRESULT i_setGuestPropertyToService(const com::Utf8Str &aName, const com::Utf8Str &aValue,
726	const com::Utf8Str &aFlags, bool fDelete);
727	HRESULT i_getGuestPropertyFromVM(const com::Utf8Str &aName, com::Utf8Str &aValue,
728	LONG64 *aTimestamp, com::Utf8Str &aFlags) const;
729	HRESULT i_setGuestPropertyToVM(const com::Utf8Str &aName, const com::Utf8Str &aValue,
730	const com::Utf8Str &aFlags, bool fDelete);
731	HRESULT i_enumerateGuestPropertiesInService(const com::Utf8Str &aPatterns,
732	std::vector<com::Utf8Str> &aNames,
733	std::vector<com::Utf8Str> &aValues,
734	std::vector<LONG64> &aTimestamps,
735	std::vector<com::Utf8Str> &aFlags);
736	HRESULT i_enumerateGuestPropertiesOnVM(const com::Utf8Str &aPatterns,
737	std::vector<com::Utf8Str> &aNames,
738	std::vector<com::Utf8Str> &aValues,
739	std::vector<LONG64> &aTimestamps,
740	std::vector<com::Utf8Str> &aFlags);
741
742	#endif /* VBOX_WITH_GUEST_PROPS */
743
744	#ifdef VBOX_WITH_RESOURCE_USAGE_API
745	void i_getDiskList(MediaList &list);
746	void i_registerMetrics(PerformanceCollector aCollector, Machine aMachine, RTPROCESS pid);
747
748	pm::CollectorGuest *mCollectorGuest;
749	#endif /* VBOX_WITH_RESOURCE_USAGE_API */
750
751	Machine * const mPeer;
752
753	VirtualBox * const mParent;
754
755	Shareable<Data> mData;
756	Shareable<SSData> mSSData;
757
758	Backupable<UserData> mUserData;
759	Backupable<HWData> mHWData;
760
761	/**
762	* Hard disk and other media data.
763	*
764	* The usage policy is the same as for mHWData, but a separate field
765	* is necessary because hard disk data requires different procedures when
766	* taking or deleting snapshots, etc.
767	*
768	* @todo r=klaus change this to a regular list and use the normal way to
769	* handle the settings when creating a session or taking a snapshot.
770	* Same thing applies to mStorageControllers and mUSBControllers.
771	*/
772	Backupable<MediumAttachmentList> mMediumAttachments;
773
774	// the following fields need special backup/rollback/commit handling,
775	// so they cannot be a part of HWData
776
777	const ComObjPtr<VRDEServer> mVRDEServer;
778	const ComObjPtr<SerialPort> mSerialPorts[SchemaDefs::SerialPortCount];
779	const ComObjPtr<ParallelPort> mParallelPorts[SchemaDefs::ParallelPortCount];
780	const ComObjPtr<AudioAdapter> mAudioAdapter;
781	const ComObjPtr<USBDeviceFilters> mUSBDeviceFilters;
782	const ComObjPtr<BIOSSettings> mBIOSSettings;
783	const ComObjPtr<BandwidthControl> mBandwidthControl;
784
785	typedef std::vector<ComObjPtr<NetworkAdapter> > NetworkAdapterVector;
786	NetworkAdapterVector mNetworkAdapters;
787
788	typedef std::list<ComObjPtr<StorageController> > StorageControllerList;
789	Backupable<StorageControllerList> mStorageControllers;
790
791	typedef std::list<ComObjPtr<USBController> > USBControllerList;
792	Backupable<USBControllerList> mUSBControllers;
793
794	uint64_t uRegistryNeedsSaving;
795
796	/**
797	* Abstract base class for all Machine or SessionMachine related
798	* asynchronous tasks. This is necessary since RTThreadCreate cannot call
799	* a (non-static) method as its thread function, so instead we have it call
800	* the static Machine::taskHandler, which then calls the handler() method
801	* in here (implemented by the subclasses).
802	*/
803	class Task : public ThreadTask
804	{
805	public:
806	Task(Machine m, Progress p, const Utf8Str &t)
807	: ThreadTask(t),
808	m_pMachine(m),
809	m_machineCaller(m),
810	m_pProgress(p),
811	m_machineStateBackup(m->mData->mMachineState) // save the current machine state
812	{}
813	virtual ~Task(){}
814
815	void modifyBackedUpState(MachineState_T s)
816	{
817	const_cast<MachineState_T >(&m_machineStateBackup) = s;
818	}
819
820	ComObjPtr<Machine> m_pMachine;
821	AutoCaller m_machineCaller;
822	ComObjPtr<Progress> m_pProgress;
823	const MachineState_T m_machineStateBackup;
824	};
825
826	class DeleteConfigTask;
827	void i_deleteConfigHandler(DeleteConfigTask &task);
828
829	friend class SessionMachine;
830	friend class SnapshotMachine;
831	friend class Appliance;
832	friend class VirtualBox;
833
834	friend class MachineCloneVM;
835	friend class MachineMoveVM;
836	private:
837	// wrapped IMachine properties
838	HRESULT getParent(ComPtr<IVirtualBox> &aParent);
839	HRESULT getIcon(std::vector<BYTE> &aIcon);
840	HRESULT setIcon(const std::vector<BYTE> &aIcon);
841	HRESULT getAccessible(BOOL *aAccessible);
842	HRESULT getAccessError(ComPtr<IVirtualBoxErrorInfo> &aAccessError);
843	HRESULT getName(com::Utf8Str &aName);
844	HRESULT setName(const com::Utf8Str &aName);
845	HRESULT getDescription(com::Utf8Str &aDescription);
846	HRESULT setDescription(const com::Utf8Str &aDescription);
847	HRESULT getId(com::Guid &aId);
848	HRESULT getGroups(std::vector<com::Utf8Str> &aGroups);
849	HRESULT setGroups(const std::vector<com::Utf8Str> &aGroups);
850	HRESULT getOSTypeId(com::Utf8Str &aOSTypeId);
851	HRESULT setOSTypeId(const com::Utf8Str &aOSTypeId);
852	HRESULT getHardwareVersion(com::Utf8Str &aHardwareVersion);
853	HRESULT setHardwareVersion(const com::Utf8Str &aHardwareVersion);
854	HRESULT getHardwareUUID(com::Guid &aHardwareUUID);
855	HRESULT setHardwareUUID(const com::Guid &aHardwareUUID);
856	HRESULT getCPUCount(ULONG *aCPUCount);
857	HRESULT setCPUCount(ULONG aCPUCount);
858	HRESULT getCPUHotPlugEnabled(BOOL *aCPUHotPlugEnabled);
859	HRESULT setCPUHotPlugEnabled(BOOL aCPUHotPlugEnabled);
860	HRESULT getCPUExecutionCap(ULONG *aCPUExecutionCap);
861	HRESULT setCPUExecutionCap(ULONG aCPUExecutionCap);
862	HRESULT getCPUIDPortabilityLevel(ULONG *aCPUIDPortabilityLevel);
863	HRESULT setCPUIDPortabilityLevel(ULONG aCPUIDPortabilityLevel);
864	HRESULT getCPUProfile(com::Utf8Str &aCPUProfile);
865	HRESULT setCPUProfile(const com::Utf8Str &aCPUProfile);
866	HRESULT getMemorySize(ULONG *aMemorySize);
867	HRESULT setMemorySize(ULONG aMemorySize);
868	HRESULT getMemoryBalloonSize(ULONG *aMemoryBalloonSize);
869	HRESULT setMemoryBalloonSize(ULONG aMemoryBalloonSize);
870	HRESULT getPageFusionEnabled(BOOL *aPageFusionEnabled);
871	HRESULT setPageFusionEnabled(BOOL aPageFusionEnabled);
872	HRESULT getGraphicsControllerType(GraphicsControllerType_T *aGraphicsControllerType);
873	HRESULT setGraphicsControllerType(GraphicsControllerType_T aGraphicsControllerType);
874	HRESULT getVRAMSize(ULONG *aVRAMSize);
875	HRESULT setVRAMSize(ULONG aVRAMSize);
876	HRESULT getAccelerate3DEnabled(BOOL *aAccelerate3DEnabled);
877	HRESULT setAccelerate3DEnabled(BOOL aAccelerate3DEnabled);
878	HRESULT getAccelerate2DVideoEnabled(BOOL *aAccelerate2DVideoEnabled);
879	HRESULT setAccelerate2DVideoEnabled(BOOL aAccelerate2DVideoEnabled);
880	HRESULT getMonitorCount(ULONG *aMonitorCount);
881	HRESULT setMonitorCount(ULONG aMonitorCount);
882	HRESULT getVideoCaptureEnabled(BOOL *aVideoCaptureEnabled);
883	HRESULT setVideoCaptureEnabled(BOOL aVideoCaptureEnabled);
884	HRESULT getVideoCaptureScreens(std::vector<BOOL> &aVideoCaptureScreens);
885	HRESULT setVideoCaptureScreens(const std::vector<BOOL> &aVideoCaptureScreens);
886	HRESULT getVideoCaptureFile(com::Utf8Str &aVideoCaptureFile);
887	HRESULT setVideoCaptureFile(const com::Utf8Str &aVideoCaptureFile);
888	HRESULT getVideoCaptureWidth(ULONG *aVideoCaptureWidth);
889	HRESULT setVideoCaptureWidth(ULONG aVideoCaptureWidth);
890	HRESULT getVideoCaptureHeight(ULONG *aVideoCaptureHeight);
891	HRESULT setVideoCaptureHeight(ULONG aVideoCaptureHeight);
892	HRESULT getVideoCaptureRate(ULONG *aVideoCaptureRate);
893	HRESULT setVideoCaptureRate(ULONG aVideoCaptureRate);
894	HRESULT getVideoCaptureFPS(ULONG *aVideoCaptureFPS);
895	HRESULT setVideoCaptureFPS(ULONG aVideoCaptureFPS);
896	HRESULT getVideoCaptureMaxTime(ULONG *aVideoCaptureMaxTime);
897	HRESULT setVideoCaptureMaxTime(ULONG aVideoCaptureMaxTime);
898	HRESULT getVideoCaptureMaxFileSize(ULONG *aVideoCaptureMaxFileSize);
899	HRESULT setVideoCaptureMaxFileSize(ULONG aVideoCaptureMaxFileSize);
900	HRESULT getVideoCaptureOptions(com::Utf8Str &aVideoCaptureOptions);
901	HRESULT setVideoCaptureOptions(const com::Utf8Str &aVideoCaptureOptions);
902	HRESULT getBIOSSettings(ComPtr<IBIOSSettings> &aBIOSSettings);
903	HRESULT getFirmwareType(FirmwareType_T *aFirmwareType);
904	HRESULT setFirmwareType(FirmwareType_T aFirmwareType);
905	HRESULT getPointingHIDType(PointingHIDType_T *aPointingHIDType);
906	HRESULT setPointingHIDType(PointingHIDType_T aPointingHIDType);
907	HRESULT getKeyboardHIDType(KeyboardHIDType_T *aKeyboardHIDType);
908	HRESULT setKeyboardHIDType(KeyboardHIDType_T aKeyboardHIDType);
909	HRESULT getHPETEnabled(BOOL *aHPETEnabled);
910	HRESULT setHPETEnabled(BOOL aHPETEnabled);
911	HRESULT getChipsetType(ChipsetType_T *aChipsetType);
912	HRESULT setChipsetType(ChipsetType_T aChipsetType);
913	HRESULT getSnapshotFolder(com::Utf8Str &aSnapshotFolder);
914	HRESULT setSnapshotFolder(const com::Utf8Str &aSnapshotFolder);
915	HRESULT getVRDEServer(ComPtr<IVRDEServer> &aVRDEServer);
916	HRESULT getEmulatedUSBCardReaderEnabled(BOOL *aEmulatedUSBCardReaderEnabled);
917	HRESULT setEmulatedUSBCardReaderEnabled(BOOL aEmulatedUSBCardReaderEnabled);
918	HRESULT getMediumAttachments(std::vector<ComPtr<IMediumAttachment> > &aMediumAttachments);
919	HRESULT getUSBControllers(std::vector<ComPtr<IUSBController> > &aUSBControllers);
920	HRESULT getUSBDeviceFilters(ComPtr<IUSBDeviceFilters> &aUSBDeviceFilters);
921	HRESULT getAudioAdapter(ComPtr<IAudioAdapter> &aAudioAdapter);
922	HRESULT getStorageControllers(std::vector<ComPtr<IStorageController> > &aStorageControllers);
923	HRESULT getSettingsFilePath(com::Utf8Str &aSettingsFilePath);
924	HRESULT getSettingsAuxFilePath(com::Utf8Str &aSettingsAuxFilePath);
925	HRESULT getSettingsModified(BOOL *aSettingsModified);
926	HRESULT getSessionState(SessionState_T *aSessionState);
927	HRESULT getSessionType(SessionType_T *aSessionType);
928	HRESULT getSessionName(com::Utf8Str &aSessionType);
929	HRESULT getSessionPID(ULONG *aSessionPID);
930	HRESULT getState(MachineState_T *aState);
931	HRESULT getLastStateChange(LONG64 *aLastStateChange);
932	HRESULT getStateFilePath(com::Utf8Str &aStateFilePath);
933	HRESULT getLogFolder(com::Utf8Str &aLogFolder);
934	HRESULT getCurrentSnapshot(ComPtr<ISnapshot> &aCurrentSnapshot);
935	HRESULT getSnapshotCount(ULONG *aSnapshotCount);
936	HRESULT getCurrentStateModified(BOOL *aCurrentStateModified);
937	HRESULT getSharedFolders(std::vector<ComPtr<ISharedFolder> > &aSharedFolders);
938	HRESULT getClipboardMode(ClipboardMode_T *aClipboardMode);
939	HRESULT setClipboardMode(ClipboardMode_T aClipboardMode);
940	HRESULT getDnDMode(DnDMode_T *aDnDMode);
941	HRESULT setDnDMode(DnDMode_T aDnDMode);
942	HRESULT getTeleporterEnabled(BOOL *aTeleporterEnabled);
943	HRESULT setTeleporterEnabled(BOOL aTeleporterEnabled);
944	HRESULT getTeleporterPort(ULONG *aTeleporterPort);
945	HRESULT setTeleporterPort(ULONG aTeleporterPort);
946	HRESULT getTeleporterAddress(com::Utf8Str &aTeleporterAddress);
947	HRESULT setTeleporterAddress(const com::Utf8Str &aTeleporterAddress);
948	HRESULT getTeleporterPassword(com::Utf8Str &aTeleporterPassword);
949	HRESULT setTeleporterPassword(const com::Utf8Str &aTeleporterPassword);
950	HRESULT getParavirtProvider(ParavirtProvider_T *aParavirtProvider);
951	HRESULT setParavirtProvider(ParavirtProvider_T aParavirtProvider);
952	HRESULT getParavirtDebug(com::Utf8Str &aParavirtDebug);
953	HRESULT setParavirtDebug(const com::Utf8Str &aParavirtDebug);
954	HRESULT getFaultToleranceState(FaultToleranceState_T *aFaultToleranceState);
955	HRESULT setFaultToleranceState(FaultToleranceState_T aFaultToleranceState);
956	HRESULT getFaultTolerancePort(ULONG *aFaultTolerancePort);
957	HRESULT setFaultTolerancePort(ULONG aFaultTolerancePort);
958	HRESULT getFaultToleranceAddress(com::Utf8Str &aFaultToleranceAddress);
959	HRESULT setFaultToleranceAddress(const com::Utf8Str &aFaultToleranceAddress);
960	HRESULT getFaultTolerancePassword(com::Utf8Str &aFaultTolerancePassword);
961	HRESULT setFaultTolerancePassword(const com::Utf8Str &aFaultTolerancePassword);
962	HRESULT getFaultToleranceSyncInterval(ULONG *aFaultToleranceSyncInterval);
963	HRESULT setFaultToleranceSyncInterval(ULONG aFaultToleranceSyncInterval);
964	HRESULT getRTCUseUTC(BOOL *aRTCUseUTC);
965	HRESULT setRTCUseUTC(BOOL aRTCUseUTC);
966	HRESULT getIOCacheEnabled(BOOL *aIOCacheEnabled);
967	HRESULT setIOCacheEnabled(BOOL aIOCacheEnabled);
968	HRESULT getIOCacheSize(ULONG *aIOCacheSize);
969	HRESULT setIOCacheSize(ULONG aIOCacheSize);
970	HRESULT getPCIDeviceAssignments(std::vector<ComPtr<IPCIDeviceAttachment> > &aPCIDeviceAssignments);
971	HRESULT getBandwidthControl(ComPtr<IBandwidthControl> &aBandwidthControl);
972	HRESULT getTracingEnabled(BOOL *aTracingEnabled);
973	HRESULT setTracingEnabled(BOOL aTracingEnabled);
974	HRESULT getTracingConfig(com::Utf8Str &aTracingConfig);
975	HRESULT setTracingConfig(const com::Utf8Str &aTracingConfig);
976	HRESULT getAllowTracingToAccessVM(BOOL *aAllowTracingToAccessVM);
977	HRESULT setAllowTracingToAccessVM(BOOL aAllowTracingToAccessVM);
978	HRESULT getAutostartEnabled(BOOL *aAutostartEnabled);
979	HRESULT setAutostartEnabled(BOOL aAutostartEnabled);
980	HRESULT getAutostartDelay(ULONG *aAutostartDelay);
981	HRESULT setAutostartDelay(ULONG aAutostartDelay);
982	HRESULT getAutostopType(AutostopType_T *aAutostopType);
983	HRESULT setAutostopType(AutostopType_T aAutostopType);
984	HRESULT getDefaultFrontend(com::Utf8Str &aDefaultFrontend);
985	HRESULT setDefaultFrontend(const com::Utf8Str &aDefaultFrontend);
986	HRESULT getUSBProxyAvailable(BOOL *aUSBProxyAvailable);
987	HRESULT getVMProcessPriority(com::Utf8Str &aVMProcessPriority);
988	HRESULT setVMProcessPriority(const com::Utf8Str &aVMProcessPriority);
989
990	// wrapped IMachine methods
991	HRESULT lockMachine(const ComPtr<ISession> &aSession,
992	LockType_T aLockType);
993	HRESULT launchVMProcess(const ComPtr<ISession> &aSession,
994	const com::Utf8Str &aType,
995	const com::Utf8Str &aEnvironment,
996	ComPtr<IProgress> &aProgress);
997	HRESULT setBootOrder(ULONG aPosition,
998	DeviceType_T aDevice);
999	HRESULT getBootOrder(ULONG aPosition,
1000	DeviceType_T *aDevice);
1001	HRESULT attachDevice(const com::Utf8Str &aName,
1002	LONG aControllerPort,
1003	LONG aDevice,
1004	DeviceType_T aType,
1005	const ComPtr<IMedium> &aMedium);
1006	HRESULT attachDeviceWithoutMedium(const com::Utf8Str &aName,
1007	LONG aControllerPort,
1008	LONG aDevice,
1009	DeviceType_T aType);
1010	HRESULT detachDevice(const com::Utf8Str &aName,
1011	LONG aControllerPort,
1012	LONG aDevice);
1013	HRESULT passthroughDevice(const com::Utf8Str &aName,
1014	LONG aControllerPort,
1015	LONG aDevice,
1016	BOOL aPassthrough);
1017	HRESULT temporaryEjectDevice(const com::Utf8Str &aName,
1018	LONG aControllerPort,
1019	LONG aDevice,
1020	BOOL aTemporaryEject);
1021	HRESULT nonRotationalDevice(const com::Utf8Str &aName,
1022	LONG aControllerPort,
1023	LONG aDevice,
1024	BOOL aNonRotational);
1025	HRESULT setAutoDiscardForDevice(const com::Utf8Str &aName,
1026	LONG aControllerPort,
1027	LONG aDevice,
1028	BOOL aDiscard);
1029	HRESULT setHotPluggableForDevice(const com::Utf8Str &aName,
1030	LONG aControllerPort,
1031	LONG aDevice,
1032	BOOL aHotPluggable);
1033	HRESULT setBandwidthGroupForDevice(const com::Utf8Str &aName,
1034	LONG aControllerPort,
1035	LONG aDevice,
1036	const ComPtr<IBandwidthGroup> &aBandwidthGroup);
1037	HRESULT setNoBandwidthGroupForDevice(const com::Utf8Str &aName,
1038	LONG aControllerPort,
1039	LONG aDevice);
1040	HRESULT unmountMedium(const com::Utf8Str &aName,
1041	LONG aControllerPort,
1042	LONG aDevice,
1043	BOOL aForce);
1044	HRESULT mountMedium(const com::Utf8Str &aName,
1045	LONG aControllerPort,
1046	LONG aDevice,
1047	const ComPtr<IMedium> &aMedium,
1048	BOOL aForce);
1049	HRESULT getMedium(const com::Utf8Str &aName,
1050	LONG aControllerPort,
1051	LONG aDevice,
1052	ComPtr<IMedium> &aMedium);
1053	HRESULT getMediumAttachmentsOfController(const com::Utf8Str &aName,
1054	std::vector<ComPtr<IMediumAttachment> > &aMediumAttachments);
1055	HRESULT getMediumAttachment(const com::Utf8Str &aName,
1056	LONG aControllerPort,
1057	LONG aDevice,
1058	ComPtr<IMediumAttachment> &aAttachment);
1059	HRESULT attachHostPCIDevice(LONG aHostAddress,
1060	LONG aDesiredGuestAddress,
1061	BOOL aTryToUnbind);
1062	HRESULT detachHostPCIDevice(LONG aHostAddress);
1063	HRESULT getNetworkAdapter(ULONG aSlot,
1064	ComPtr<INetworkAdapter> &aAdapter);
1065	HRESULT addStorageController(const com::Utf8Str &aName,
1066	StorageBus_T aConnectionType,
1067	ComPtr<IStorageController> &aController);
1068	HRESULT getStorageControllerByName(const com::Utf8Str &aName,
1069	ComPtr<IStorageController> &aStorageController);
1070	HRESULT getStorageControllerByInstance(StorageBus_T aConnectionType,
1071	ULONG aInstance,
1072	ComPtr<IStorageController> &aStorageController);
1073	HRESULT removeStorageController(const com::Utf8Str &aName);
1074	HRESULT setStorageControllerBootable(const com::Utf8Str &aName,
1075	BOOL aBootable);
1076	HRESULT addUSBController(const com::Utf8Str &aName,
1077	USBControllerType_T aType,
1078	ComPtr<IUSBController> &aController);
1079	HRESULT removeUSBController(const com::Utf8Str &aName);
1080	HRESULT getUSBControllerByName(const com::Utf8Str &aName,
1081	ComPtr<IUSBController> &aController);
1082	HRESULT getUSBControllerCountByType(USBControllerType_T aType,
1083	ULONG *aControllers);
1084	HRESULT getSerialPort(ULONG aSlot,
1085	ComPtr<ISerialPort> &aPort);
1086	HRESULT getParallelPort(ULONG aSlot,
1087	ComPtr<IParallelPort> &aPort);
1088	HRESULT getExtraDataKeys(std::vector<com::Utf8Str> &aKeys);
1089	HRESULT getExtraData(const com::Utf8Str &aKey,
1090	com::Utf8Str &aValue);
1091	HRESULT setExtraData(const com::Utf8Str &aKey,
1092	const com::Utf8Str &aValue);
1093	HRESULT getCPUProperty(CPUPropertyType_T aProperty,
1094	BOOL *aValue);
1095	HRESULT setCPUProperty(CPUPropertyType_T aProperty,
1096	BOOL aValue);
1097	HRESULT getCPUIDLeafByOrdinal(ULONG aOrdinal,
1098	ULONG *aIdx,
1099	ULONG *aSubIdx,
1100	ULONG *aValEax,
1101	ULONG *aValEbx,
1102	ULONG *aValEcx,
1103	ULONG *aValEdx);
1104	HRESULT getCPUIDLeaf(ULONG aIdx, ULONG aSubIdx,
1105	ULONG *aValEax,
1106	ULONG *aValEbx,
1107	ULONG *aValEcx,
1108	ULONG *aValEdx);
1109	HRESULT setCPUIDLeaf(ULONG aIdx, ULONG aSubIdx,
1110	ULONG aValEax,
1111	ULONG aValEbx,
1112	ULONG aValEcx,
1113	ULONG aValEdx);
1114	HRESULT removeCPUIDLeaf(ULONG aIdx, ULONG aSubIdx);
1115	HRESULT removeAllCPUIDLeaves();
1116	HRESULT getHWVirtExProperty(HWVirtExPropertyType_T aProperty,
1117	BOOL *aValue);
1118	HRESULT setHWVirtExProperty(HWVirtExPropertyType_T aProperty,
1119	BOOL aValue);
1120	HRESULT setSettingsFilePath(const com::Utf8Str &aSettingsFilePath,
1121	ComPtr<IProgress> &aProgress);
1122	HRESULT saveSettings();
1123	HRESULT discardSettings();
1124	HRESULT unregister(AutoCaller &aAutoCaller,
1125	CleanupMode_T aCleanupMode,
1126	std::vector<ComPtr<IMedium> > &aMedia);
1127	HRESULT deleteConfig(const std::vector<ComPtr<IMedium> > &aMedia,
1128	ComPtr<IProgress> &aProgress);
1129	HRESULT exportTo(const ComPtr<IAppliance> &aAppliance,
1130	const com::Utf8Str &aLocation,
1131	ComPtr<IVirtualSystemDescription> &aDescription);
1132	HRESULT findSnapshot(const com::Utf8Str &aNameOrId,
1133	ComPtr<ISnapshot> &aSnapshot);
1134	HRESULT createSharedFolder(const com::Utf8Str &aName,
1135	const com::Utf8Str &aHostPath,
1136	BOOL aWritable,
1137	BOOL aAutomount);
1138	HRESULT removeSharedFolder(const com::Utf8Str &aName);
1139	HRESULT canShowConsoleWindow(BOOL *aCanShow);
1140	HRESULT showConsoleWindow(LONG64 *aWinId);
1141	HRESULT getGuestProperty(const com::Utf8Str &aName,
1142	com::Utf8Str &aValue,
1143	LONG64 *aTimestamp,
1144	com::Utf8Str &aFlags);
1145	HRESULT getGuestPropertyValue(const com::Utf8Str &aProperty,
1146	com::Utf8Str &aValue);
1147	HRESULT getGuestPropertyTimestamp(const com::Utf8Str &aProperty,
1148	LONG64 *aValue);
1149	HRESULT setGuestProperty(const com::Utf8Str &aProperty,
1150	const com::Utf8Str &aValue,
1151	const com::Utf8Str &aFlags);
1152	HRESULT setGuestPropertyValue(const com::Utf8Str &aProperty,
1153	const com::Utf8Str &aValue);
1154	HRESULT deleteGuestProperty(const com::Utf8Str &aName);
1155	HRESULT enumerateGuestProperties(const com::Utf8Str &aPatterns,
1156	std::vector<com::Utf8Str> &aNames,
1157	std::vector<com::Utf8Str> &aValues,
1158	std::vector<LONG64> &aTimestamps,
1159	std::vector<com::Utf8Str> &aFlags);
1160	HRESULT querySavedGuestScreenInfo(ULONG aScreenId,
1161	ULONG *aOriginX,
1162	ULONG *aOriginY,
1163	ULONG *aWidth,
1164	ULONG *aHeight,
1165	BOOL *aEnabled);
1166	HRESULT readSavedThumbnailToArray(ULONG aScreenId,
1167	BitmapFormat_T aBitmapFormat,
1168	ULONG *aWidth,
1169	ULONG *aHeight,
1170	std::vector<BYTE> &aData);
1171	HRESULT querySavedScreenshotInfo(ULONG aScreenId,
1172	ULONG *aWidth,
1173	ULONG *aHeight,
1174	std::vector<BitmapFormat_T> &aBitmapFormats);
1175	HRESULT readSavedScreenshotToArray(ULONG aScreenId,
1176	BitmapFormat_T aBitmapFormat,
1177	ULONG *aWidth,
1178	ULONG *aHeight,
1179	std::vector<BYTE> &aData);
1180
1181	HRESULT hotPlugCPU(ULONG aCpu);
1182	HRESULT hotUnplugCPU(ULONG aCpu);
1183	HRESULT getCPUStatus(ULONG aCpu,
1184	BOOL *aAttached);
1185	HRESULT getEffectiveParavirtProvider(ParavirtProvider_T *aParavirtProvider);
1186	HRESULT queryLogFilename(ULONG aIdx,
1187	com::Utf8Str &aFilename);
1188	HRESULT readLog(ULONG aIdx,
1189	LONG64 aOffset,
1190	LONG64 aSize,
1191	std::vector<BYTE> &aData);
1192	HRESULT cloneTo(const ComPtr<IMachine> &aTarget,
1193	CloneMode_T aMode,
1194	const std::vector<CloneOptions_T> &aOptions,
1195	ComPtr<IProgress> &aProgress);
1196	HRESULT moveTo(const com::Utf8Str &aTargetPath,
1197	const com::Utf8Str &aType,
1198	ComPtr<IProgress> &aProgress);
1199	HRESULT saveState(ComPtr<IProgress> &aProgress);
1200	HRESULT adoptSavedState(const com::Utf8Str &aSavedStateFile);
1201	HRESULT discardSavedState(BOOL aFRemoveFile);
1202	HRESULT takeSnapshot(const com::Utf8Str &aName,
1203	const com::Utf8Str &aDescription,
1204	BOOL aPause,
1205	com::Guid &aId,
1206	ComPtr<IProgress> &aProgress);
1207	HRESULT deleteSnapshot(const com::Guid &aId,
1208	ComPtr<IProgress> &aProgress);
1209	HRESULT deleteSnapshotAndAllChildren(const com::Guid &aId,
1210	ComPtr<IProgress> &aProgress);
1211	HRESULT deleteSnapshotRange(const com::Guid &aStartId,
1212	const com::Guid &aEndId,
1213	ComPtr<IProgress> &aProgress);
1214	HRESULT restoreSnapshot(const ComPtr<ISnapshot> &aSnapshot,
1215	ComPtr<IProgress> &aProgress);
1216	HRESULT applyDefaults(const com::Utf8Str &aFlags);
1217
1218	// wrapped IInternalMachineControl properties
1219
1220	// wrapped IInternalMachineControl methods
1221	HRESULT updateState(MachineState_T aState);
1222	HRESULT beginPowerUp(const ComPtr<IProgress> &aProgress);
1223	HRESULT endPowerUp(LONG aResult);
1224	HRESULT beginPoweringDown(ComPtr<IProgress> &aProgress);
1225	HRESULT endPoweringDown(LONG aResult,
1226	const com::Utf8Str &aErrMsg);
1227	HRESULT runUSBDeviceFilters(const ComPtr<IUSBDevice> &aDevice,
1228	BOOL *aMatched,
1229	ULONG *aMaskedInterfaces);
1230	HRESULT captureUSBDevice(const com::Guid &aId,
1231	const com::Utf8Str &aCaptureFilename);
1232	HRESULT detachUSBDevice(const com::Guid &aId,
1233	BOOL aDone);
1234	HRESULT autoCaptureUSBDevices();
1235	HRESULT detachAllUSBDevices(BOOL aDone);
1236	HRESULT onSessionEnd(const ComPtr<ISession> &aSession,
1237	ComPtr<IProgress> &aProgress);
1238	HRESULT finishOnlineMergeMedium();
1239	HRESULT pullGuestProperties(std::vector<com::Utf8Str> &aNames,
1240	std::vector<com::Utf8Str> &aValues,
1241	std::vector<LONG64> &aTimestamps,
1242	std::vector<com::Utf8Str> &aFlags);
1243	HRESULT pushGuestProperty(const com::Utf8Str &aName,
1244	const com::Utf8Str &aValue,
1245	LONG64 aTimestamp,
1246	const com::Utf8Str &aFlags);
1247	HRESULT lockMedia();
1248	HRESULT unlockMedia();
1249	HRESULT ejectMedium(const ComPtr<IMediumAttachment> &aAttachment,
1250	ComPtr<IMediumAttachment> &aNewAttachment);
1251	HRESULT reportVmStatistics(ULONG aValidStats,
1252	ULONG aCpuUser,
1253	ULONG aCpuKernel,
1254	ULONG aCpuIdle,
1255	ULONG aMemTotal,
1256	ULONG aMemFree,
1257	ULONG aMemBalloon,
1258	ULONG aMemShared,
1259	ULONG aMemCache,
1260	ULONG aPagedTotal,
1261	ULONG aMemAllocTotal,
1262	ULONG aMemFreeTotal,
1263	ULONG aMemBalloonTotal,
1264	ULONG aMemSharedTotal,
1265	ULONG aVmNetRx,
1266	ULONG aVmNetTx);
1267	HRESULT authenticateExternal(const std::vector<com::Utf8Str> &aAuthParams,
1268	com::Utf8Str &aResult);
1269	};
1270
1271	// SessionMachine class
1272	////////////////////////////////////////////////////////////////////////////////
1273
1274	/**
1275	* @note Notes on locking objects of this class:
1276	* SessionMachine shares some data with the primary Machine instance (pointed
1277	* to by the \|mPeer\| member). In order to provide data consistency it also
1278	* shares its lock handle. This means that whenever you lock a SessionMachine
1279	* instance using Auto[Reader]Lock or AutoMultiLock, the corresponding Machine
1280	* instance is also locked in the same lock mode. Keep it in mind.
1281	*/
1282	class ATL_NO_VTABLE SessionMachine :
1283	public Machine
1284	{
1285	public:
1286	VIRTUALBOXBASE_ADD_ERRORINFO_SUPPORT(SessionMachine, IMachine)
1287
1288	DECLARE_NOT_AGGREGATABLE(SessionMachine)
1289
1290	DECLARE_PROTECT_FINAL_CONSTRUCT()
1291
1292	BEGIN_COM_MAP(SessionMachine)
1293	COM_INTERFACE_ENTRY(ISupportErrorInfo)
1294	COM_INTERFACE_ENTRY(IMachine)
1295	COM_INTERFACE_ENTRY2(IDispatch, IMachine)
1296	COM_INTERFACE_ENTRY(IInternalMachineControl)
1297	VBOX_TWEAK_INTERFACE_ENTRY(IMachine)
1298	END_COM_MAP()
1299
1300	DECLARE_EMPTY_CTOR_DTOR(SessionMachine)
1301
1302	HRESULT FinalConstruct();
1303	void FinalRelease();
1304
1305	struct Uninit
1306	{
1307	enum Reason { Unexpected, Abnormal, Normal };
1308	};
1309
1310	// public initializer/uninitializer for internal purposes only
1311	HRESULT init(Machine *aMachine);
1312	void uninit() { uninit(Uninit::Unexpected); }
1313	void uninit(Uninit::Reason aReason);
1314
1315
1316	// util::Lockable interface
1317	RWLockHandle *lockHandle() const;
1318
1319	// public methods only for internal purposes
1320
1321	virtual bool i_isSessionMachine() const
1322	{
1323	return true;
1324	}
1325
1326	#ifndef VBOX_WITH_GENERIC_SESSION_WATCHER
1327	bool i_checkForDeath();
1328
1329	void i_getTokenId(Utf8Str &strTokenId);
1330	#else /* VBOX_WITH_GENERIC_SESSION_WATCHER */
1331	IToken *i_getToken();
1332	#endif /* VBOX_WITH_GENERIC_SESSION_WATCHER */
1333	// getClientToken must be only used by callers who can guarantee that
1334	// the object cannot be deleted in the mean time, i.e. have a caller/lock.
1335	ClientToken *i_getClientToken();
1336
1337	HRESULT i_onNetworkAdapterChange(INetworkAdapter *networkAdapter, BOOL changeAdapter);
1338	HRESULT i_onNATRedirectRuleChange(ULONG ulSlot, BOOL aNatRuleRemove, IN_BSTR aRuleName,
1339	NATProtocol_T aProto, IN_BSTR aHostIp, LONG aHostPort,
1340	IN_BSTR aGuestIp, LONG aGuestPort);
1341	HRESULT i_onStorageControllerChange();
1342	HRESULT i_onMediumChange(IMediumAttachment *aMediumAttachment, BOOL aForce);
1343	HRESULT i_onAudioAdapterChange(IAudioAdapter *audioAdapter);
1344	HRESULT i_onSerialPortChange(ISerialPort *serialPort);
1345	HRESULT i_onParallelPortChange(IParallelPort *parallelPort);
1346	HRESULT i_onCPUChange(ULONG aCPU, BOOL aRemove);
1347	HRESULT i_onVRDEServerChange(BOOL aRestart);
1348	HRESULT i_onVideoCaptureChange();
1349	HRESULT i_onUSBControllerChange();
1350	HRESULT i_onUSBDeviceAttach(IUSBDevice *aDevice,
1351	IVirtualBoxErrorInfo *aError,
1352	ULONG aMaskedIfs,
1353	const com::Utf8Str &aCaptureFilename);
1354	HRESULT i_onUSBDeviceDetach(IN_BSTR aId,
1355	IVirtualBoxErrorInfo *aError);
1356	HRESULT i_onSharedFolderChange();
1357	HRESULT i_onClipboardModeChange(ClipboardMode_T aClipboardMode);
1358	HRESULT i_onDnDModeChange(DnDMode_T aDnDMode);
1359	HRESULT i_onBandwidthGroupChange(IBandwidthGroup *aBandwidthGroup);
1360	HRESULT i_onStorageDeviceChange(IMediumAttachment *aMediumAttachment, BOOL aRemove, BOOL aSilent);
1361	HRESULT i_onCPUExecutionCapChange(ULONG aCpuExecutionCap);
1362
1363	bool i_hasMatchingUSBFilter(const ComObjPtr<HostUSBDevice> &aDevice, ULONG *aMaskedIfs);
1364
1365	HRESULT i_lockMedia();
1366	HRESULT i_unlockMedia();
1367
1368	HRESULT i_saveStateWithReason(Reason_T aReason, ComPtr<IProgress> &aProgress);
1369
1370	private:
1371
1372	// wrapped IInternalMachineControl properties
1373
1374	// wrapped IInternalMachineControl methods
1375	HRESULT setRemoveSavedStateFile(BOOL aRemove);
1376	HRESULT updateState(MachineState_T aState);
1377	HRESULT beginPowerUp(const ComPtr<IProgress> &aProgress);
1378	HRESULT endPowerUp(LONG aResult);
1379	HRESULT beginPoweringDown(ComPtr<IProgress> &aProgress);
1380	HRESULT endPoweringDown(LONG aResult,
1381	const com::Utf8Str &aErrMsg);
1382	HRESULT runUSBDeviceFilters(const ComPtr<IUSBDevice> &aDevice,
1383	BOOL *aMatched,
1384	ULONG *aMaskedInterfaces);
1385	HRESULT captureUSBDevice(const com::Guid &aId, const com::Utf8Str &aCaptureFilename);
1386	HRESULT detachUSBDevice(const com::Guid &aId,
1387	BOOL aDone);
1388	HRESULT autoCaptureUSBDevices();
1389	HRESULT detachAllUSBDevices(BOOL aDone);
1390	HRESULT onSessionEnd(const ComPtr<ISession> &aSession,
1391	ComPtr<IProgress> &aProgress);
1392	HRESULT finishOnlineMergeMedium();
1393	HRESULT pullGuestProperties(std::vector<com::Utf8Str> &aNames,
1394	std::vector<com::Utf8Str> &aValues,
1395	std::vector<LONG64> &aTimestamps,
1396	std::vector<com::Utf8Str> &aFlags);
1397	HRESULT pushGuestProperty(const com::Utf8Str &aName,
1398	const com::Utf8Str &aValue,
1399	LONG64 aTimestamp,
1400	const com::Utf8Str &aFlags);
1401	HRESULT lockMedia();
1402	HRESULT unlockMedia();
1403	HRESULT ejectMedium(const ComPtr<IMediumAttachment> &aAttachment,
1404	ComPtr<IMediumAttachment> &aNewAttachment);
1405	HRESULT reportVmStatistics(ULONG aValidStats,
1406	ULONG aCpuUser,
1407	ULONG aCpuKernel,
1408	ULONG aCpuIdle,
1409	ULONG aMemTotal,
1410	ULONG aMemFree,
1411	ULONG aMemBalloon,
1412	ULONG aMemShared,
1413	ULONG aMemCache,
1414	ULONG aPagedTotal,
1415	ULONG aMemAllocTotal,
1416	ULONG aMemFreeTotal,
1417	ULONG aMemBalloonTotal,
1418	ULONG aMemSharedTotal,
1419	ULONG aVmNetRx,
1420	ULONG aVmNetTx);
1421	HRESULT authenticateExternal(const std::vector<com::Utf8Str> &aAuthParams,
1422	com::Utf8Str &aResult);
1423
1424
1425	struct ConsoleTaskData
1426	{
1427	ConsoleTaskData()
1428	: mLastState(MachineState_Null),
1429	mDeleteSnapshotInfo(NULL)
1430	{ }
1431
1432	MachineState_T mLastState;
1433	ComObjPtr<Progress> mProgress;
1434
1435	// used when deleting online snaphshot
1436	void *mDeleteSnapshotInfo;
1437	};
1438
1439	class SaveStateTask;
1440	class SnapshotTask;
1441	class TakeSnapshotTask;
1442	class DeleteSnapshotTask;
1443	class RestoreSnapshotTask;
1444
1445	void i_saveStateHandler(SaveStateTask &aTask);
1446
1447	// Override some functionality for SessionMachine, this is where the
1448	// real action happens (the Machine methods are just dummies).
1449	HRESULT saveState(ComPtr<IProgress> &aProgress);
1450	HRESULT adoptSavedState(const com::Utf8Str &aSavedStateFile);
1451	HRESULT discardSavedState(BOOL aFRemoveFile);
1452	HRESULT takeSnapshot(const com::Utf8Str &aName,
1453	const com::Utf8Str &aDescription,
1454	BOOL aPause,
1455	com::Guid &aId,
1456	ComPtr<IProgress> &aProgress);
1457	HRESULT deleteSnapshot(const com::Guid &aId,
1458	ComPtr<IProgress> &aProgress);
1459	HRESULT deleteSnapshotAndAllChildren(const com::Guid &aId,
1460	ComPtr<IProgress> &aProgress);
1461	HRESULT deleteSnapshotRange(const com::Guid &aStartId,
1462	const com::Guid &aEndId,
1463	ComPtr<IProgress> &aProgress);
1464	HRESULT restoreSnapshot(const ComPtr<ISnapshot> &aSnapshot,
1465	ComPtr<IProgress> &aProgress);
1466
1467	void i_releaseSavedStateFile(const Utf8Str &strSavedStateFile, Snapshot *pSnapshotToIgnore);
1468
1469	void i_takeSnapshotHandler(TakeSnapshotTask &aTask);
1470	static void i_takeSnapshotProgressCancelCallback(void *pvUser);
1471	HRESULT i_finishTakingSnapshot(TakeSnapshotTask &aTask, AutoWriteLock &alock, bool aSuccess);
1472	HRESULT i_deleteSnapshot(const com::Guid &aStartId,
1473	const com::Guid &aEndId,
1474	BOOL aDeleteAllChildren,
1475	ComPtr<IProgress> &aProgress);
1476	void i_deleteSnapshotHandler(DeleteSnapshotTask &aTask);
1477	void i_restoreSnapshotHandler(RestoreSnapshotTask &aTask);
1478
1479	HRESULT i_prepareDeleteSnapshotMedium(const ComObjPtr<Medium> &aHD,
1480	const Guid &machineId,
1481	const Guid &snapshotId,
1482	bool fOnlineMergePossible,
1483	MediumLockList *aVMMALockList,
1484	ComObjPtr<Medium> &aSource,
1485	ComObjPtr<Medium> &aTarget,
1486	bool &fMergeForward,
1487	ComObjPtr<Medium> &pParentForTarget,
1488	MediumLockList * &aChildrenToReparent,
1489	bool &fNeedOnlineMerge,
1490	MediumLockList * &aMediumLockList,
1491	ComPtr<IToken> &aHDLockToken);
1492	void i_cancelDeleteSnapshotMedium(const ComObjPtr<Medium> &aHD,
1493	const ComObjPtr<Medium> &aSource,
1494	MediumLockList *aChildrenToReparent,
1495	bool fNeedsOnlineMerge,
1496	MediumLockList *aMediumLockList,
1497	const ComPtr<IToken> &aHDLockToken,
1498	const Guid &aMediumId,
1499	const Guid &aSnapshotId);
1500	HRESULT i_onlineMergeMedium(const ComObjPtr<MediumAttachment> &aMediumAttachment,
1501	const ComObjPtr<Medium> &aSource,
1502	const ComObjPtr<Medium> &aTarget,
1503	bool fMergeForward,
1504	const ComObjPtr<Medium> &pParentForTarget,
1505	MediumLockList *aChildrenToReparent,
1506	MediumLockList *aMediumLockList,
1507	ComObjPtr<Progress> &aProgress,
1508	bool *pfNeedsMachineSaveSettings);
1509
1510	HRESULT i_setMachineState(MachineState_T aMachineState);
1511	HRESULT i_updateMachineStateOnClient();
1512
1513	bool mRemoveSavedState;
1514
1515	ConsoleTaskData mConsoleTaskData;
1516
1517	/** client token for this machine */
1518	ClientToken *mClientToken;
1519
1520	int miNATNetworksStarted;
1521
1522	AUTHLIBRARYCONTEXT mAuthLibCtx;
1523	};
1524
1525	// SnapshotMachine class
1526	////////////////////////////////////////////////////////////////////////////////
1527
1528	/**
1529	* @note Notes on locking objects of this class:
1530	* SnapshotMachine shares some data with the primary Machine instance (pointed
1531	* to by the \|mPeer\| member). In order to provide data consistency it also
1532	* shares its lock handle. This means that whenever you lock a SessionMachine
1533	* instance using Auto[Reader]Lock or AutoMultiLock, the corresponding Machine
1534	* instance is also locked in the same lock mode. Keep it in mind.
1535	*/
1536	class ATL_NO_VTABLE SnapshotMachine :
1537	public Machine
1538	{
1539	public:
1540	VIRTUALBOXBASE_ADD_ERRORINFO_SUPPORT(SnapshotMachine, IMachine)
1541
1542	DECLARE_NOT_AGGREGATABLE(SnapshotMachine)
1543
1544	DECLARE_PROTECT_FINAL_CONSTRUCT()
1545
1546	BEGIN_COM_MAP(SnapshotMachine)
1547	COM_INTERFACE_ENTRY(ISupportErrorInfo)
1548	COM_INTERFACE_ENTRY(IMachine)
1549	COM_INTERFACE_ENTRY2(IDispatch, IMachine)
1550	VBOX_TWEAK_INTERFACE_ENTRY(IMachine)
1551	END_COM_MAP()
1552
1553	DECLARE_EMPTY_CTOR_DTOR(SnapshotMachine)
1554
1555	HRESULT FinalConstruct();
1556	void FinalRelease();
1557
1558	// public initializer/uninitializer for internal purposes only
1559	HRESULT init(SessionMachine *aSessionMachine,
1560	IN_GUID aSnapshotId,
1561	const Utf8Str &aStateFilePath);
1562	HRESULT initFromSettings(Machine *aMachine,
1563	const settings::Hardware &hardware,
1564	const settings::Debugging *pDbg,
1565	const settings::Autostart *pAutostart,
1566	IN_GUID aSnapshotId,
1567	const Utf8Str &aStateFilePath);
1568	void uninit();
1569
1570	// util::Lockable interface
1571	RWLockHandle *lockHandle() const;
1572
1573	// public methods only for internal purposes
1574
1575	virtual bool i_isSnapshotMachine() const
1576	{
1577	return true;
1578	}
1579
1580	HRESULT i_onSnapshotChange(Snapshot *aSnapshot);
1581
1582	// unsafe inline public methods for internal purposes only (ensure there is
1583	// a caller and a read lock before calling them!)
1584
1585	const Guid& i_getSnapshotId() const { return mSnapshotId; }
1586
1587	private:
1588
1589	Guid mSnapshotId;
1590	/** This field replaces mPeer for SessionMachine instances, as having
1591	* a peer reference is plain meaningless and causes many subtle problems
1592	* with saving settings and the like. */
1593	Machine * const mMachine;
1594
1595	friend class Snapshot;
1596	};
1597
1598	// third party methods that depend on SnapshotMachine definition
1599
1600	inline const Guid &Machine::i_getSnapshotId() const
1601	{
1602	return (i_isSnapshotMachine())
1603	? static_cast<const SnapshotMachine*>(this)->i_getSnapshotId()
1604	: Guid::Empty;
1605	}
1606
1607
1608	#endif // ____H_MACHINEIMPL
1609	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/include/MachineImpl.h@ 72332

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