MachineImpl.h@ 3652

Last change on this file since 3652 was 3652, checked in by vboxsync, 18 years ago
Parallel port support. Contributed by: Alexander Eichner
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1	/** @file
2	*
3	* VirtualBox COM class declaration
4	*/
5
6	/*
7	* Copyright (C) 2006-2007 innotek GmbH
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 as published by the Free Software Foundation,
13	* in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
14	* distribution. VirtualBox OSE is distributed in the hope that it will
15	* be useful, but WITHOUT ANY WARRANTY of any kind.
16	*
17	* If you received this file as part of a commercial VirtualBox
18	* distribution, then only the terms of your commercial VirtualBox
19	* license agreement apply instead of the previous paragraph.
20	*/
21
22	#ifndef ____H_MACHINEIMPL
23	#define ____H_MACHINEIMPL
24
25	#include "VirtualBoxBase.h"
26	#include "VirtualBoxXMLUtil.h"
27	#include "ProgressImpl.h"
28	#include "SnapshotImpl.h"
29	#include "VRDPServerImpl.h"
30	#include "DVDDriveImpl.h"
31	#include "FloppyDriveImpl.h"
32	#include "HardDiskAttachmentImpl.h"
33	#include "Collection.h"
34	#include "NetworkAdapterImpl.h"
35	#include "AudioAdapterImpl.h"
36	#include "SerialPortImpl.h"
37	#include "ParallelPortImpl.h"
38	#include "BIOSSettingsImpl.h"
39
40	// generated header
41	#include "SchemaDefs.h"
42
43	#include <VBox/types.h>
44	#include <VBox/cfgldr.h>
45	#include <iprt/file.h>
46	#include <iprt/thread.h>
47
48	#include <list>
49
50	// defines
51	////////////////////////////////////////////////////////////////////////////////
52
53	// helper declarations
54	////////////////////////////////////////////////////////////////////////////////
55
56	class VirtualBox;
57	class Progress;
58	class CombinedProgress;
59	class Keyboard;
60	class Mouse;
61	class Display;
62	class MachineDebugger;
63	class USBController;
64	class Snapshot;
65	class SharedFolder;
66
67	class SessionMachine;
68
69	// Machine class
70	////////////////////////////////////////////////////////////////////////////////
71
72	class ATL_NO_VTABLE Machine :
73	public VirtualBoxBaseWithChildrenNEXT,
74	public VirtualBoxXMLUtil,
75	public VirtualBoxSupportErrorInfoImpl <Machine, IMachine>,
76	public VirtualBoxSupportTranslation <Machine>,
77	public IMachine
78	{
79	Q_OBJECT
80
81	public:
82
83	/**
84	* Internal machine data.
85	*
86	* Only one instance of this data exists per every machine --
87	* it is shared by the Machine, SessionMachine and all SnapshotMachine
88	* instances associated with the given machine using the util::Shareable
89	* template through the mData variable.
90	*
91	* @note \|const\| members are persistent during lifetime so can be
92	* accessed without locking.
93	*
94	* @note There is no need to lock anything inside init() or uninit()
95	* methods, because they are always serialized (see AutoCaller).
96	*/
97	struct Data
98	{
99	/**
100	* Data structure to hold information about sessions opened for the
101	* given machine.
102	*/
103	struct Session
104	{
105	/** Control of the direct session opened by openSession() */
106	ComPtr <IInternalSessionControl> mDirectControl;
107
108	typedef std::list <ComPtr <IInternalSessionControl> > RemoteControlList;
109
110	/** list of controls of all opened remote sessions */
111	RemoteControlList mRemoteControls;
112
113	/** openRemoteSession() and OnSessionEnd() progress indicator */
114	ComObjPtr <Progress> mProgress;
115
116	/**
117	* PID of the session object that must be passed to openSession()
118	* to finalize the openRemoteSession() request
119	* (i.e., PID of the process created by openRemoteSession())
120	*/
121	RTPROCESS mPid;
122
123	/** Current session state */
124	SessionState_T mState;
125
126	/** Session type string (for indirect sessions) */
127	Bstr mType;
128
129	/** Sesison machine object */
130	ComObjPtr <SessionMachine> mMachine;
131	};
132
133	Data();
134	~Data();
135
136	const Guid mUuid;
137	BOOL mRegistered;
138
139	Bstr mConfigFile;
140	Bstr mConfigFileFull;
141
142	BOOL mAccessible;
143	com::ErrorInfo mAccessError;
144
145	MachineState_T mMachineState;
146	LONG64 mLastStateChange;
147
148	uint32_t mMachineStateDeps;
149	RTSEMEVENT mZeroMachineStateDepsSem;
150	BOOL mWaitingStateDeps;
151
152	BOOL mCurrentStateModified;
153
154	RTFILE mHandleCfgFile;
155
156	Session mSession;
157
158	ComObjPtr <Snapshot> mFirstSnapshot;
159	ComObjPtr <Snapshot> mCurrentSnapshot;
160	};
161
162	/**
163	* Saved state data.
164	*
165	* It's actually only the state file path string, but it needs to be
166	* separate from Data, because Machine and SessionMachine instances
167	* share it, while SnapshotMachine does not.
168	*
169	* The data variable is \|mSSData\|.
170	*/
171	struct SSData
172	{
173	Bstr mStateFilePath;
174	};
175
176	/**
177	* User changeable machine data.
178	*
179	* This data is common for all machine snapshots, i.e. it is shared
180	* by all SnapshotMachine instances associated with the given machine
181	* using the util::Backupable template through the \|mUserData\| variable.
182	*
183	* SessionMachine instances can alter this data and discard changes.
184	*
185	* @note There is no need to lock anything inside init() or uninit()
186	* methods, because they are always serialized (see AutoCaller).
187	*/
188	struct UserData
189	{
190	UserData();
191	~UserData();
192
193	bool operator== (const UserData &that) const
194	{
195	return this == &that \|\|
196	(mName == that.mName &&
197	mNameSync == that.mNameSync &&
198	mDescription == that.mDescription &&
199	mOSTypeId == that.mOSTypeId &&
200	mSnapshotFolderFull == that.mSnapshotFolderFull);
201	}
202
203	Bstr mName;
204	BOOL mNameSync;
205	Bstr mDescription;
206	Bstr mOSTypeId;
207	Bstr mSnapshotFolder;
208	Bstr mSnapshotFolderFull;
209	};
210
211	/**
212	* Hardware data.
213	*
214	* This data is unique for a machine and for every machine snapshot.
215	* Stored using the util::Backupable template in the \|mHWData\| variable.
216	*
217	* SessionMachine instances can alter this data and discard changes.
218	*/
219	struct HWData
220	{
221	HWData();
222	~HWData();
223
224	bool operator== (const HWData &that) const;
225
226	ULONG mMemorySize;
227	ULONG mVRAMSize;
228	ULONG mMonitorCount;
229	TriStateBool_T mHWVirtExEnabled;
230
231	DeviceType_T mBootOrder [SchemaDefs::MaxBootPosition];
232
233	typedef std::list <ComObjPtr <SharedFolder> > SharedFolderList;
234	SharedFolderList mSharedFolders;
235	ClipboardMode_T mClipboardMode;
236	};
237
238	/**
239	* Hard disk data.
240	*
241	* The usage policy is the same as for HWData, but a separate structure
242	* is necessarym because hard disk data requires different procedures when
243	* taking or discarding snapshots, etc.
244	*
245	* The data variable is \|mHWData\|.
246	*/
247	struct HDData
248	{
249	HDData();
250	~HDData();
251
252	bool operator== (const HDData &that) const;
253
254	typedef std::list <ComObjPtr <HardDiskAttachment> > HDAttachmentList;
255	HDAttachmentList mHDAttachments;
256
257	/**
258	* Right after Machine::fixupHardDisks(true): \|true\| if hard disks
259	* were actually changed, \|false\| otherwise
260	*/
261	bool mHDAttachmentsChanged;
262	};
263
264	enum StateDependency
265	{
266	AnyStateDep = 0, MutableStateDep, MutableOrSavedStateDep
267	};
268
269	/**
270	* Helper class that safely manages the machine state dependency by
271	* calling Machine::addStateDependency() on construction and
272	* Machine::releaseStateDependency() on destruction. Intended for Machine
273	* children. The usage pattern is:
274	*
275	* @code
276	* AutoCaller autoCaller (this);
277	* CheckComRCReturnRC (autoCaller.rc());
278	*
279	* Machine::AutoStateDependency <MutableStateDep> adep (mParent);
280	* CheckComRCReturnRC (stateDep.rc());
281	* ...
282	* // code that depends on the particular machine state
283	* ...
284	* @endcode
285	*
286	* Note that it is more convenient to use the following individual
287	* shortcut classes instead of using this template directly:
288	* AutoAnyStateDependency, AutoMutableStateDependency and
289	* AutoMutableOrSavedStateDependency. The usage pattern is exactly the
290	* same as above except that there is no need to specify the template
291	* argument because it is already done by the shortcut class.
292	*
293	* @param taDepType Dependecy type to manage.
294	*/
295	template <StateDependency taDepType = AnyStateDep>
296	class AutoStateDependency
297	{
298	public:
299
300	AutoStateDependency (Machine *aThat)
301	: mThat (aThat), mRC (S_OK)
302	, mMachineState (MachineState_InvalidMachineState)
303	, mRegistered (FALSE)
304	{
305	Assert (aThat);
306	mRC = aThat->addStateDependency (taDepType, &mMachineState,
307	&mRegistered);
308	}
309	~AutoStateDependency()
310	{
311	if (SUCCEEDED (mRC))
312	mThat->releaseStateDependency();
313	}
314
315	/** Decreases the number of dependencies before the instance is
316	* destroyed. Note that will reset #rc() to E_FAIL. */
317	void release()
318	{
319	AssertReturnVoid (SUCCEEDED (mRC));
320	mThat->releaseStateDependency();
321	mRC = E_FAIL;
322	}
323
324	/** Restores the number of callers after by #release(). #rc() will be
325	* reset to the result of calling addStateDependency() and must be
326	* rechecked to ensure the operation succeeded. */
327	void add()
328	{
329	AssertReturnVoid (!SUCCEEDED (mRC));
330	mRC = mThat->addStateDependency (taDepType, &mMachineState,
331	&mRegistered);
332	}
333
334	/** Returns the result of Machine::addStateDependency(). */
335	HRESULT rc() const { return mRC; }
336
337	/** Shortcut to SUCCEEDED (rc()). */
338	bool isOk() const { return SUCCEEDED (mRC); }
339
340	/** Returns the machine state value as returned by
341	* Machine::addStateDependency(). */
342	MachineState_T machineState() const { return mMachineState; }
343
344	/** Returns the machine state value as returned by
345	* Machine::addStateDependency(). */
346	BOOL machineRegistered() const { return mRegistered; }
347
348	protected:
349
350	Machine *mThat;
351	HRESULT mRC;
352	MachineState_T mMachineState;
353	BOOL mRegistered;
354
355	private:
356
357	DECLARE_CLS_COPY_CTOR_ASSIGN_NOOP (AutoStateDependency)
358	DECLARE_CLS_NEW_DELETE_NOOP (AutoStateDependency)
359	};
360
361	/**
362	* Shortcut to AutoStateDependency <AnyStateDep>.
363	* See AutoStateDependency to get the usage pattern.
364	*
365	* Accepts any machine state and guarantees the state won't change before
366	* this object is destroyed. If the machine state cannot be protected (as
367	* a result of the state change currently in progress), this instance's
368	* #rc() method will indicate a failure, and the caller is not allowed to
369	* rely on any particular machine state and should return the failed
370	* result code to the upper level.
371	*/
372	typedef AutoStateDependency <AnyStateDep> AutoAnyStateDependency;
373
374	/**
375	* Shortcut to AutoStateDependency <MutableStateDep>.
376	* See AutoStateDependency to get the usage pattern.
377	*
378	* Succeeds only if the machine state is in one of the mutable states, and
379	* guarantees the given mutable state won't change before this object is
380	* destroyed. If the machine is not mutable, this instance's #rc() method
381	* will indicate a failure, and the caller is not allowed to rely on any
382	* particular machine state and should return the failed result code to
383	* the upper level.
384	*
385	* Intended to be used within all setter methods of IMachine
386	* children objects (DVDDrive, NetworkAdapter, AudioAdapter, etc.) to
387	* provide data protection and consistency.
388	*/
389	typedef AutoStateDependency <MutableStateDep> AutoMutableStateDependency;
390
391	/**
392	* Shortcut to AutoStateDependency <MutableOrSavedStateDep>.
393	* See AutoStateDependency to get the usage pattern.
394	*
395	* Succeeds only if the machine state is in one of the mutable states, or
396	* if the machine is in the Saved state, and guarantees the given mutable
397	* state won't change before this object is destroyed. If the machine is
398	* not mutable, this instance's #rc() method will indicate a failure, and
399	* the caller is not allowed to rely on any particular machine state and
400	* should return the failed result code to the upper level.
401	*
402	* Intended to be used within setter methods of IMachine
403	* children objects that may also operate on Saved machines.
404	*/
405	typedef AutoStateDependency <MutableOrSavedStateDep> AutoMutableOrSavedStateDependency;
406
407
408	VIRTUALBOXBASE_ADD_ERRORINFO_SUPPORT (Machine)
409
410	DECLARE_NOT_AGGREGATABLE(Machine)
411
412	DECLARE_PROTECT_FINAL_CONSTRUCT()
413
414	BEGIN_COM_MAP(Machine)
415	COM_INTERFACE_ENTRY(ISupportErrorInfo)
416	COM_INTERFACE_ENTRY(IMachine)
417	END_COM_MAP()
418
419	NS_DECL_ISUPPORTS
420
421	DECLARE_EMPTY_CTOR_DTOR (Machine)
422
423	HRESULT FinalConstruct();
424	void FinalRelease();
425
426	enum InitMode { Init_New, Init_Existing, Init_Registered };
427
428	// public initializer/uninitializer for internal purposes only
429	HRESULT init (VirtualBox *aParent, const BSTR aConfigFile,
430	InitMode aMode, const BSTR aName = NULL,
431	BOOL aNameSync = TRUE, const Guid *aId = NULL);
432	void uninit();
433
434	// IMachine properties
435	STDMETHOD(COMGETTER(Parent))(IVirtualBox **aParent);
436	STDMETHOD(COMGETTER(Accessible)) (BOOL *aAccessible);
437	STDMETHOD(COMGETTER(AccessError)) (IVirtualBoxErrorInfo **aAccessError);
438	STDMETHOD(COMGETTER(Name))(BSTR *aName);
439	STDMETHOD(COMSETTER(Name))(INPTR BSTR aName);
440	STDMETHOD(COMGETTER(Description))(BSTR *aDescription);
441	STDMETHOD(COMSETTER(Description))(INPTR BSTR aDescription);
442	STDMETHOD(COMGETTER(Id))(GUIDPARAMOUT aId);
443	STDMETHOD(COMGETTER(OSTypeId)) (BSTR *aOSTypeId);
444	STDMETHOD(COMSETTER(OSTypeId)) (INPTR BSTR aOSTypeId);
445	STDMETHOD(COMGETTER(MemorySize))(ULONG *memorySize);
446	STDMETHOD(COMSETTER(MemorySize))(ULONG memorySize);
447	STDMETHOD(COMGETTER(VRAMSize))(ULONG *memorySize);
448	STDMETHOD(COMSETTER(VRAMSize))(ULONG memorySize);
449	STDMETHOD(COMGETTER(MonitorCount))(ULONG *monitorCount);
450	STDMETHOD(COMSETTER(MonitorCount))(ULONG monitorCount);
451	STDMETHOD(COMGETTER(BIOSSettings))(IBIOSSettings **biosSettings);
452	STDMETHOD(COMGETTER(HWVirtExEnabled))(TriStateBool_T *enabled);
453	STDMETHOD(COMSETTER(HWVirtExEnabled))(TriStateBool_T enabled);
454	STDMETHOD(COMGETTER(SnapshotFolder))(BSTR *aSavedStateFolder);
455	STDMETHOD(COMSETTER(SnapshotFolder))(INPTR BSTR aSavedStateFolder);
456	STDMETHOD(COMGETTER(HardDiskAttachments))(IHardDiskAttachmentCollection **attachments);
457	STDMETHOD(COMGETTER(VRDPServer))(IVRDPServer **vrdpServer);
458	STDMETHOD(COMGETTER(DVDDrive))(IDVDDrive **dvdDrive);
459	STDMETHOD(COMGETTER(FloppyDrive))(IFloppyDrive **floppyDrive);
460	STDMETHOD(COMGETTER(AudioAdapter))(IAudioAdapter **audioAdapter);
461	STDMETHOD(COMGETTER(USBController))(IUSBController * *a_ppUSBController);
462	STDMETHOD(COMGETTER(SettingsFilePath))(BSTR *filePath);
463	STDMETHOD(COMGETTER(SettingsModified))(BOOL *modified);
464	STDMETHOD(COMGETTER(SessionState))(SessionState_T *aSessionState);
465	STDMETHOD(COMGETTER(SessionType))(BSTR *aSessionType);
466	STDMETHOD(COMGETTER(SessionPid))(ULONG *aSessionPid);
467	STDMETHOD(COMGETTER(State))(MachineState_T *machineState);
468	STDMETHOD(COMGETTER(LastStateChange))(LONG64 *aLastStateChange);
469	STDMETHOD(COMGETTER(StateFilePath)) (BSTR *aStateFilePath);
470	STDMETHOD(COMGETTER(LogFolder)) (BSTR *aLogFolder);
471	STDMETHOD(COMGETTER(CurrentSnapshot)) (ISnapshot **aCurrentSnapshot);
472	STDMETHOD(COMGETTER(SnapshotCount)) (ULONG *aSnapshotCount);
473	STDMETHOD(COMGETTER(CurrentStateModified))(BOOL *aCurrentStateModified);
474	STDMETHOD(COMGETTER(SharedFolders)) (ISharedFolderCollection **aSharedFolders);
475	STDMETHOD(COMGETTER(ClipboardMode)) (ClipboardMode_T *aClipboardMode);
476	STDMETHOD(COMSETTER(ClipboardMode)) (ClipboardMode_T aClipboardMode);
477
478	// IMachine methods
479	STDMETHOD(SetBootOrder)(ULONG aPosition, DeviceType_T aDevice);
480	STDMETHOD(GetBootOrder)(ULONG aPosition, DeviceType_T *aDevice);
481	STDMETHOD(AttachHardDisk)(INPTR GUIDPARAM aId, DiskControllerType_T aCtl, LONG aDev);
482	STDMETHOD(GetHardDisk)(DiskControllerType_T aCtl, LONG aDev, IHardDisk **aHardDisk);
483	STDMETHOD(DetachHardDisk) (DiskControllerType_T aCtl, LONG aDev);
484	STDMETHOD(GetSerialPort) (ULONG slot, ISerialPort **port);
485	STDMETHOD(GetParallelPort) (ULONG slot, IParallelPort **port);
486	STDMETHOD(GetNetworkAdapter) (ULONG slot, INetworkAdapter **adapter);
487	STDMETHOD(GetNextExtraDataKey)(INPTR BSTR aKey, BSTR aNextKey, BSTR aNextValue);
488	STDMETHOD(GetExtraData)(INPTR BSTR aKey, BSTR *aValue);
489	STDMETHOD(SetExtraData)(INPTR BSTR aKey, INPTR BSTR aValue);
490	STDMETHOD(SaveSettings)();
491	STDMETHOD(DiscardSettings)();
492	STDMETHOD(DeleteSettings)();
493	STDMETHOD(GetSnapshot) (INPTR GUIDPARAM aId, ISnapshot **aSnapshot);
494	STDMETHOD(FindSnapshot) (INPTR BSTR aName, ISnapshot **aSnapshot);
495	STDMETHOD(SetCurrentSnapshot) (INPTR GUIDPARAM aId);
496	STDMETHOD(CreateSharedFolder) (INPTR BSTR aName, INPTR BSTR aHostPath);
497	STDMETHOD(RemoveSharedFolder) (INPTR BSTR aName);
498	STDMETHOD(CanShowConsoleWindow) (BOOL *aCanShow);
499	STDMETHOD(ShowConsoleWindow) (ULONG64 *aWinId);
500
501	// public methods only for internal purposes
502
503	/// @todo (dmik) add lock and make non-inlined after revising classes
504	// that use it. Note: they should enter Machine lock to keep the returned
505	// information valid!
506	bool isRegistered() { return !!mData->mRegistered; }
507
508	ComObjPtr <SessionMachine> sessionMachine();
509
510	// Note: the below methods are intended to be called only after adding
511	// a caller to the Machine instance and, when necessary, from under
512	// the Machine lock in appropriate mode
513
514	/// @todo (dmik) revise code using these methods: improving incapsulation
515	// should make them not necessary
516
517	const ComObjPtr <VirtualBox, ComWeakRef> &virtualBox() { return mParent; }
518
519	const Shareable <Data> &data() const { return mData; }
520	const Backupable <UserData> &userData() const { return mUserData; }
521	const Backupable <HDData> &hdData() const { return mHDData; }
522
523	const Shareable <SSData> &ssData() const { return mSSData; }
524
525	const ComObjPtr <DVDDrive> &dvdDrive() { return mDVDDrive; }
526	const ComObjPtr <FloppyDrive> &floppyDrive() { return mFloppyDrive; }
527	const ComObjPtr <USBController> &usbController() { return mUSBController; }
528
529	virtual HRESULT onDVDDriveChange() { return S_OK; }
530	virtual HRESULT onFloppyDriveChange() { return S_OK; }
531	virtual HRESULT onNetworkAdapterChange(INetworkAdapter *networkAdapter) { return S_OK; }
532	virtual HRESULT onSerialPortChange(ISerialPort *serialPort) { return S_OK; }
533	virtual HRESULT onParallelPortChange(IParallelPort *ParallelPort) { return S_OK; }
534	virtual HRESULT onVRDPServerChange() { return S_OK; }
535	virtual HRESULT onUSBControllerChange() { return S_OK; }
536
537	int calculateFullPath (const char *aPath, Utf8Str &aResult);
538	void calculateRelativePath (const char *aPath, Utf8Str &aResult);
539
540	void getLogFolder (Utf8Str &aLogFolder);
541
542	HRESULT openSession (IInternalSessionControl *aControl);
543	HRESULT openRemoteSession (IInternalSessionControl *aControl,
544	INPTR BSTR aType, Progress *aProgress);
545	HRESULT openExistingSession (IInternalSessionControl *aControl);
546
547	HRESULT trySetRegistered (BOOL aRegistered);
548
549	HRESULT getSharedFolder (const BSTR aName,
550	ComObjPtr <SharedFolder> &aSharedFolder,
551	bool aSetError = false)
552	{
553	AutoLock alock (this);
554	return findSharedFolder (aName, aSharedFolder, aSetError);
555	}
556
557	HRESULT addStateDependency (StateDependency aDepType = AnyStateDep,
558	MachineState_T *aState = NULL,
559	BOOL *aRegistered = NULL);
560	void releaseStateDependency();
561
562	// for VirtualBoxSupportErrorInfoImpl
563	static const wchar_t *getComponentName() { return L"Machine"; }
564
565	protected:
566
567	enum InstanceType { IsMachine, IsSessionMachine, IsSnapshotMachine };
568
569	HRESULT registeredInit();
570
571	HRESULT checkStateDependency (StateDependency aDepType);
572
573	inline Machine *machine();
574
575	void uninitDataAndChildObjects();
576
577	void checkStateDependencies (AutoLock &aLock);
578
579	virtual HRESULT setMachineState (MachineState_T aMachineState);
580
581	HRESULT findSharedFolder (const BSTR aName,
582	ComObjPtr <SharedFolder> &aSharedFolder,
583	bool aSetError = false);
584
585	HRESULT loadSettings (bool aRegistered);
586	HRESULT loadSnapshot (CFGNODE aNode, const Guid &aCurSnapshotId,
587	Snapshot *aParentSnapshot);
588	HRESULT loadHardware (CFGNODE aNode);
589	HRESULT loadHardDisks (CFGNODE aNode, bool aRegistered,
590	const Guid *aSnapshotId = NULL);
591
592	HRESULT openConfigLoader (CFGHANDLE *aLoader, bool aIsNew = false);
593	HRESULT closeConfigLoader (CFGHANDLE aLoader, bool aSaveBeforeClose);
594
595	HRESULT findSnapshotNode (Snapshot *aSnapshot, CFGNODE aMachineNode,
596	CFGNODE aSnapshotsNode, CFGNODE aSnapshotNode);
597
598	HRESULT findSnapshot (const Guid &aId, ComObjPtr <Snapshot> &aSnapshot,
599	bool aSetError = false);
600	HRESULT findSnapshot (const BSTR aName, ComObjPtr <Snapshot> &aSnapshot,
601	bool aSetError = false);
602
603	HRESULT findHardDiskAttachment (const ComObjPtr <HardDisk> &aHd,
604	ComObjPtr <Machine> *aMachine,
605	ComObjPtr <Snapshot> *aSnapshot,
606	ComObjPtr <HardDiskAttachment> *aHda);
607
608	HRESULT prepareSaveSettings (bool &aRenamed, bool &aNew);
609	HRESULT saveSettings (bool aMarkCurStateAsModified = true,
610	bool aInformCallbacksAnyway = false);
611
612	enum
613	{
614	// ops for #saveSnapshotSettings()
615	SaveSS_NoOp = 0x00, SaveSS_AddOp = 0x01,
616	SaveSS_UpdateAttrsOp = 0x02, SaveSS_UpdateAllOp = 0x03,
617	SaveSS_OpMask = 0xF,
618	// flags for #saveSnapshotSettings()
619	SaveSS_UpdateCurStateModified = 0x40,
620	SaveSS_UpdateCurrentId = 0x80,
621	// flags for #saveStateSettings()
622	SaveSTS_CurStateModified = 0x20,
623	SaveSTS_StateFilePath = 0x40,
624	SaveSTS_StateTimeStamp = 0x80,
625	};
626
627	HRESULT saveSnapshotSettings (Snapshot *aSnapshot, int aOpFlags);
628	HRESULT saveSnapshotSettingsWorker (CFGNODE aMachineNode,
629	Snapshot *aSnapshot, int aOpFlags);
630
631	HRESULT saveSnapshot (CFGNODE aNode, Snapshot *aSnapshot, bool aAttrsOnly);
632	HRESULT saveHardware (CFGNODE aNode);
633	HRESULT saveHardDisks (CFGNODE aNode);
634
635	HRESULT saveStateSettings (int aFlags);
636
637	HRESULT wipeOutImmutableDiffs();
638
639	HRESULT fixupHardDisks (bool aCommit);
640
641	HRESULT createSnapshotDiffs (const Guid *aSnapshotId,
642	const Bstr &aFolder,
643	const ComObjPtr <Progress> &aProgress,
644	bool aOnline);
645	HRESULT deleteSnapshotDiffs (const ComObjPtr <Snapshot> &aSnapshot);
646
647	HRESULT lockConfig();
648	HRESULT unlockConfig();
649
650	/** @note This method is not thread safe */
651	BOOL isConfigLocked()
652	{
653	return !!mData && mData->mHandleCfgFile != NIL_RTFILE;
654	}
655
656	bool isInOwnDir (Utf8Str *aSettingsDir = NULL);
657
658	bool isModified();
659	bool isReallyModified (bool aIgnoreUserData = false);
660	void rollback (bool aNotify);
661	HRESULT commit();
662	void copyFrom (Machine *aThat);
663
664	const InstanceType mType;
665
666	const ComObjPtr <Machine, ComWeakRef> mPeer;
667
668	const ComObjPtr <VirtualBox, ComWeakRef> mParent;
669
670	Shareable <Data> mData;
671	Shareable <SSData> mSSData;
672
673	Backupable <UserData> mUserData;
674	Backupable <HWData> mHWData;
675	Backupable <HDData> mHDData;
676
677	// the following fields need special backup/rollback/commit handling,
678	// so they cannot be a part of HWData
679
680	const ComObjPtr <VRDPServer> mVRDPServer;
681	const ComObjPtr <DVDDrive> mDVDDrive;
682	const ComObjPtr <FloppyDrive> mFloppyDrive;
683	const ComObjPtr <SerialPort>
684	mSerialPorts [SchemaDefs::SerialPortCount];
685	const ComObjPtr <ParallelPort>
686	mParallelPorts [SchemaDefs::ParallelPortCount];
687	const ComObjPtr <AudioAdapter> mAudioAdapter;
688	const ComObjPtr <USBController> mUSBController;
689	const ComObjPtr <BIOSSettings> mBIOSSettings;
690	const ComObjPtr <NetworkAdapter>
691	mNetworkAdapters [SchemaDefs::NetworkAdapterCount];
692
693	friend class SessionMachine;
694	friend class SnapshotMachine;
695	};
696
697	// SessionMachine class
698	////////////////////////////////////////////////////////////////////////////////
699
700	/**
701	* @note Notes on locking objects of this class:
702	* SessionMachine shares some data with the primary Machine instance (pointed
703	* to by the \|mPeer\| member). In order to provide data consistency it also
704	* shares its lock handle. This means that whenever you lock a SessionMachine
705	* instance using Auto[Reader]Lock or AutoMultiLock, the corresponding Machine
706	* instance is also locked in the same lock mode. Keep it in mind.
707	*/
708	class ATL_NO_VTABLE SessionMachine :
709	public VirtualBoxSupportTranslation <SessionMachine>,
710	public Machine,
711	public IInternalMachineControl
712	{
713	public:
714
715	VIRTUALBOXSUPPORTTRANSLATION_OVERRIDE(SessionMachine)
716
717	DECLARE_NOT_AGGREGATABLE(SessionMachine)
718
719	DECLARE_PROTECT_FINAL_CONSTRUCT()
720
721	BEGIN_COM_MAP(SessionMachine)
722	COM_INTERFACE_ENTRY(ISupportErrorInfo)
723	COM_INTERFACE_ENTRY(IMachine)
724	COM_INTERFACE_ENTRY(IInternalMachineControl)
725	END_COM_MAP()
726
727	NS_DECL_ISUPPORTS
728
729	DECLARE_EMPTY_CTOR_DTOR (SessionMachine)
730
731	HRESULT FinalConstruct();
732	void FinalRelease();
733
734	// public initializer/uninitializer for internal purposes only
735	HRESULT init (Machine *aMachine);
736	void uninit() { uninit (Uninit::Unexpected); }
737
738	// AutoLock::Lockable interface
739	AutoLock::Handle *lockHandle() const;
740
741	// IInternalMachineControl methods
742	STDMETHOD(UpdateState)(MachineState_T machineState);
743	STDMETHOD(GetIPCId)(BSTR *id);
744	STDMETHOD(RunUSBDeviceFilters) (IUSBDevice aUSBDevice, BOOL aMatched);
745	STDMETHOD(CaptureUSBDevice) (INPTR GUIDPARAM aId);
746	STDMETHOD(DetachUSBDevice) (INPTR GUIDPARAM aId, BOOL aDone);
747	STDMETHOD(AutoCaptureUSBDevices)();
748	STDMETHOD(DetachAllUSBDevices)(BOOL aDone);
749	STDMETHOD(OnSessionEnd)(ISession aSession, IProgress *aProgress);
750	STDMETHOD(BeginSavingState) (IProgress aProgress, BSTR aStateFilePath);
751	STDMETHOD(EndSavingState) (BOOL aSuccess);
752	STDMETHOD(BeginTakingSnapshot) (IConsole *aInitiator,
753	INPTR BSTR aName, INPTR BSTR aDescription,
754	IProgress aProgress, BSTR aStateFilePath,
755	IProgress **aServerProgress);
756	STDMETHOD(EndTakingSnapshot) (BOOL aSuccess);
757	STDMETHOD(DiscardSnapshot) (IConsole *aInitiator, INPTR GUIDPARAM aId,
758	MachineState_T aMachineState, IProgress *aProgress);
759	STDMETHOD(DiscardCurrentState) (
760	IConsole aInitiator, MachineState_T aMachineState, IProgress **aProgress);
761	STDMETHOD(DiscardCurrentSnapshotAndState) (
762	IConsole aInitiator, MachineState_T aMachineState, IProgress **aProgress);
763
764	// public methods only for internal purposes
765
766	bool checkForDeath();
767
768	#if defined (__WIN__)
769	HANDLE ipcSem() { return mIPCSem; }
770	#elif defined (__OS2__)
771	HMTX ipcSem() { return mIPCSem; }
772	#endif
773
774	HRESULT onDVDDriveChange();
775	HRESULT onFloppyDriveChange();
776	HRESULT onNetworkAdapterChange(INetworkAdapter *networkAdapter);
777	HRESULT onSerialPortChange(ISerialPort *serialPort);
778	HRESULT onParallelPortChange(IParallelPort *parallelPort);
779	HRESULT onVRDPServerChange();
780	HRESULT onUSBControllerChange();
781	HRESULT onUSBDeviceAttach (IUSBDevice *aDevice,
782	IVirtualBoxErrorInfo *aError);
783	HRESULT onUSBDeviceDetach (INPTR GUIDPARAM aId,
784	IVirtualBoxErrorInfo *aError);
785
786	private:
787
788	struct SnapshotData
789	{
790	SnapshotData() : mLastState (MachineState_InvalidMachineState) {}
791
792	MachineState_T mLastState;
793
794	// used when taking snapshot
795	ComObjPtr <Snapshot> mSnapshot;
796	ComObjPtr <Progress> mServerProgress;
797	ComObjPtr <CombinedProgress> mCombinedProgress;
798
799	// used when saving state
800	Guid mProgressId;
801	Bstr mStateFilePath;
802	};
803
804	struct Uninit {
805	enum Reason { Unexpected, Abnormal, Normal };
806	};
807
808	struct Task;
809	struct TakeSnapshotTask;
810	struct DiscardSnapshotTask;
811	struct DiscardCurrentStateTask;
812
813	friend struct TakeSnapshotTask;
814	friend struct DiscardSnapshotTask;
815	friend struct DiscardCurrentStateTask;
816
817	void uninit (Uninit::Reason aReason);
818
819	HRESULT endSavingState (BOOL aSuccess);
820	HRESULT endTakingSnapshot (BOOL aSuccess);
821
822	typedef std::map <ComObjPtr <Machine>, MachineState_T> AffectedMachines;
823
824	void takeSnapshotHandler (TakeSnapshotTask &aTask);
825	void discardSnapshotHandler (DiscardSnapshotTask &aTask);
826	void discardCurrentStateHandler (DiscardCurrentStateTask &aTask);
827
828	HRESULT setMachineState (MachineState_T aMachineState);
829	HRESULT updateMachineStateOnClient();
830
831	SnapshotData mSnapshotData;
832
833	/** interprocess semaphore handle (id) for this machine */
834	#if defined(__WIN__)
835	HANDLE mIPCSem;
836	Bstr mIPCSemName;
837	#elif defined(__OS2__)
838	HMTX mIPCSem;
839	Bstr mIPCSemName;
840	#elif defined(VBOX_WITH_SYS_V_IPC_SESSION_WATCHER)
841	int mIPCSem;
842	#else
843	# error "Port me!"
844	#endif
845
846	static DECLCALLBACK(int) taskHandler (RTTHREAD thread, void *pvUser);
847	};
848
849	// SnapshotMachine class
850	////////////////////////////////////////////////////////////////////////////////
851
852	/**
853	* @note Notes on locking objects of this class:
854	* SnapshotMachine shares some data with the primary Machine instance (pointed
855	* to by the \|mPeer\| member). In order to provide data consistency it also
856	* shares its lock handle. This means that whenever you lock a SessionMachine
857	* instance using Auto[Reader]Lock or AutoMultiLock, the corresponding Machine
858	* instance is also locked in the same lock mode. Keep it in mind.
859	*/
860	class ATL_NO_VTABLE SnapshotMachine :
861	public VirtualBoxSupportTranslation <SnapshotMachine>,
862	public Machine
863	{
864	public:
865
866	VIRTUALBOXSUPPORTTRANSLATION_OVERRIDE(SnapshotMachine)
867
868	DECLARE_NOT_AGGREGATABLE(SnapshotMachine)
869
870	DECLARE_PROTECT_FINAL_CONSTRUCT()
871
872	BEGIN_COM_MAP(SnapshotMachine)
873	COM_INTERFACE_ENTRY(ISupportErrorInfo)
874	COM_INTERFACE_ENTRY(IMachine)
875	END_COM_MAP()
876
877	NS_DECL_ISUPPORTS
878
879	DECLARE_EMPTY_CTOR_DTOR (SnapshotMachine)
880
881	HRESULT FinalConstruct();
882	void FinalRelease();
883
884	// public initializer/uninitializer for internal purposes only
885	HRESULT init (SessionMachine *aSessionMachine,
886	INPTR GUIDPARAM aSnapshotId, INPTR BSTR aStateFilePath);
887	HRESULT init (Machine *aMachine, CFGNODE aHWNode, CFGNODE aHDAsNode,
888	INPTR GUIDPARAM aSnapshotId, INPTR BSTR aStateFilePath);
889	void uninit();
890
891	// AutoLock::Lockable interface
892	AutoLock::Handle *lockHandle() const;
893
894	// public methods only for internal purposes
895
896	HRESULT onSnapshotChange (Snapshot *aSnapshot);
897
898	private:
899
900	Guid mSnapshotId;
901	};
902
903	////////////////////////////////////////////////////////////////////////////////
904
905	/**
906	* Returns a pointer to the Machine object for this machine that acts like a
907	* parent for complex machine data objects such as shared folders, etc.
908	*
909	* For primary Machine objects and for SnapshotMachine objects, returns this
910	* object's pointer itself. For SessoinMachine objects, returns the peer
911	* (primary) machine pointer.
912	*/
913	inline Machine *Machine::machine()
914	{
915	if (mType == IsSessionMachine)
916	return mPeer;
917	return this;
918	}
919
920	COM_DECL_READONLY_ENUM_AND_COLLECTION (Machine)
921
922	#endif // ____H_MACHINEIMPL

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source: vbox/trunk/src/VBox/Main/include/MachineImpl.h@ 3652

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