ConsoleImpl.h@ 163

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1	/** @file
2	*
3	* VBox Console COM Class definition
4	*/
5
6	/*
7	* Copyright (C) 2006 InnoTek Systemberatung 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_CONSOLEIMPL
23	#define ____H_CONSOLEIMPL
24
25	#include "VirtualBoxBase.h"
26	#include "ProgressImpl.h"
27
28	class Guest;
29	class Keyboard;
30	class Mouse;
31	class Display;
32	class MachineDebugger;
33	class USBDevice;
34	class RemoteUSBDevice;
35	class SharedFolder;
36	class RemoteDisplayInfo;
37	class AudioSniffer;
38	class ConsoleVRDPServer;
39	class VMMDev;
40
41	#include <VBox/vrdpapi.h>
42	#include <VBox/pdm.h>
43
44	struct VUSBIRHCONFIG;
45	typedef struct VUSBIRHCONFIG *PVUSBIRHCONFIG;
46
47	#include <list>
48
49	// defines
50	///////////////////////////////////////////////////////////////////////////////
51
52	/**
53	* Checks the availability of the underlying VM device driver corresponding
54	* to the COM interface (IKeyboard, IMouse, IDisplay, etc.). When the driver is
55	* not available (NULL), sets error info and returns returns E_ACCESSDENIED.
56	* The translatable error message is defined in null context.
57	*
58	* Intended to used only within Console children (i,e. Keyboard, Mouse,
59	* Display, etc.).
60	*
61	* @param drv driver pointer to check (compare it with NULL)
62	*/
63	#define CHECK_CONSOLE_DRV(drv) \
64	do { \
65	if (!(drv)) \
66	return setError (E_ACCESSDENIED, tr ("The console is not powered up")); \
67	} while (0)
68
69	// Console
70	///////////////////////////////////////////////////////////////////////////////
71
72	/** IConsole implementation class */
73	class ATL_NO_VTABLE Console :
74	public VirtualBoxBaseWithChildrenNEXT,
75	public VirtualBoxSupportErrorInfoImpl <Console, IConsole>,
76	public VirtualBoxSupportTranslation <Console>,
77	public IConsole
78	{
79	Q_OBJECT
80
81	public:
82
83	DECLARE_NOT_AGGREGATABLE(Console)
84
85	DECLARE_PROTECT_FINAL_CONSTRUCT()
86
87	BEGIN_COM_MAP(Console)
88	COM_INTERFACE_ENTRY(ISupportErrorInfo)
89	COM_INTERFACE_ENTRY(IConsole)
90	END_COM_MAP()
91
92	NS_DECL_ISUPPORTS
93
94	Console();
95	~Console();
96
97	HRESULT FinalConstruct();
98	void FinalRelease();
99
100	// public initializers/uninitializers for internal purposes only
101	HRESULT init (IMachine aMachine, IInternalMachineControl aControl);
102	void uninit();
103
104	// IConsole properties
105	STDMETHOD(COMGETTER(Machine)) (IMachine **aMachine);
106	STDMETHOD(COMGETTER(State)) (MachineState_T *aMachineState);
107	STDMETHOD(COMGETTER(Guest)) (IGuest **aGuest);
108	STDMETHOD(COMGETTER(Keyboard)) (IKeyboard **aKeyboard);
109	STDMETHOD(COMGETTER(Mouse)) (IMouse **aMouse);
110	STDMETHOD(COMGETTER(Display)) (IDisplay **aDisplay);
111	STDMETHOD(COMGETTER(Debugger)) (IMachineDebugger **aDebugger);
112	STDMETHOD(COMGETTER(USBDevices)) (IUSBDeviceCollection **aUSBDevices);
113	STDMETHOD(COMGETTER(RemoteUSBDevices)) (IHostUSBDeviceCollection **aRemoteUSBDevices);
114	STDMETHOD(COMGETTER(RemoteDisplayInfo)) (IRemoteDisplayInfo **aRemoteDisplayInfo);
115	STDMETHOD(COMGETTER(SharedFolders)) (ISharedFolderCollection **aSharedFolders);
116
117	// IConsole methods
118	STDMETHOD(PowerUp) (IProgress **aProgress);
119	STDMETHOD(PowerDown)();
120	STDMETHOD(Reset)();
121	STDMETHOD(Pause)();
122	STDMETHOD(Resume)();
123	STDMETHOD(PowerButton)();
124	STDMETHOD(SaveState) (IProgress **aProgress);
125	STDMETHOD(DiscardSavedState)();
126	STDMETHOD(GetDeviceActivity) (DeviceType_T aDeviceType,
127	DeviceActivity_T *aDeviceActivity);
128	STDMETHOD(AttachUSBDevice) (INPTR GUIDPARAM aId);
129	STDMETHOD(DetachUSBDevice) (INPTR GUIDPARAM aId, IUSBDevice **aDevice);
130	STDMETHOD(CreateSharedFolder) (INPTR BSTR aName, INPTR BSTR aHostPath);
131	STDMETHOD(RemoveSharedFolder) (INPTR BSTR aName);
132	STDMETHOD(TakeSnapshot) (INPTR BSTR aName, INPTR BSTR aDescription,
133	IProgress **aProgress);
134	STDMETHOD(DiscardSnapshot) (INPTR GUIDPARAM aId, IProgress **aProgress);
135	STDMETHOD(DiscardCurrentState) (IProgress **aProgress);
136	STDMETHOD(DiscardCurrentSnapshotAndState) (IProgress **aProgress);
137	STDMETHOD(RegisterCallback) (IConsoleCallback *aCallback);
138	STDMETHOD(UnregisterCallback)(IConsoleCallback *aCallback);
139
140	// public methods for internal purposes only
141
142	/*
143	* Note: the following methods do not increase refcount. intended to be
144	* called only by the VM execution thread.
145	*/
146
147	Guest *getGuest() { return mGuest; }
148	Keyboard *getKeyboard() { return mKeyboard; }
149	Mouse *getMouse() { return mMouse; }
150	Display *getDisplay() { return mDisplay; }
151	MachineDebugger *getMachineDebugger() { return mDebugger; }
152
153	const ComPtr <IMachine> &machine() { return mMachine; }
154
155	/** Method is called only from ConsoleVRDPServer */
156	IVRDPServer *getVRDPServer() { return mVRDPServer; }
157
158	ConsoleVRDPServer *consoleVRDPServer() { return mConsoleVRDPServer; }
159
160	HRESULT updateMachineState (MachineState_T aMachineState);
161
162	// events from IInternalSessionControl
163	HRESULT onDVDDriveChange();
164	HRESULT onFloppyDriveChange();
165	HRESULT onNetworkAdapterChange(INetworkAdapter *networkAdapter);
166	HRESULT onVRDPServerChange();
167	HRESULT onUSBControllerChange();
168	HRESULT onUSBDeviceAttach(IUSBDevice *aDevice);
169	HRESULT onUSBDeviceDetach(INPTR GUIDPARAM aId);
170
171	VMMDev *getVMMDev() { return mVMMDev; }
172	AudioSniffer *getAudioSniffer () { return mAudioSniffer; }
173
174	static VRDPSERVERCALLBACK *getVrdpServerCallback () { return &sVrdpServerCallback; };
175
176	#ifdef VRDP_MC
177	void processRemoteUSBDevices (uint32_t u32ClientId, VRDPUSBDEVICEDESC *pDevList, uint32_t cbDevList);
178	#else
179	void processRemoteUSBDevices (VRDPUSBDEVICEDESC *pDevList, uint32_t cbDevList);
180	#endif /* VRDP_MC */
181
182	// callback callers
183	void onMousePointerShapeChange(bool fVisible, bool fAlpha,
184	uint32_t xHot, uint32_t yHot,
185	uint32_t width, uint32_t height,
186	void *pShape);
187	void onMouseCapabilityChange (BOOL supportsAbsolute, BOOL needsHostCursor);
188	void onStateChange (MachineState_T aMachineState);
189	void onAdditionsStateChange();
190	void onAdditionsOutdated();
191	void onKeyboardLedsChange(bool fNumLock, bool fCapsLock, bool fScrollLock);
192
193	static const PDMDRVREG DrvStatusReg;
194
195	void reportAuthLibraryError (const char *filename, int rc)
196	{
197	setError (E_FAIL, tr("Could not load the external authentication library '%s' (%Vrc)"), filename, rc);
198	}
199
200	// for VirtualBoxSupportErrorInfoImpl
201	static const wchar_t *getComponentName() { return L"Console"; }
202
203	private:
204
205	/**
206	* Base template for AutoVMCaller and SaveVMPtr. Template arguments
207	* have the same meaning as arguments of Console::addVMCaller().
208	*/
209	template <bool taQuiet = false, bool taAllowNullVM = false>
210	class AutoVMCallerBase
211	{
212	public:
213	AutoVMCallerBase (Console *aThat) : mThat (aThat), mRC (S_OK)
214	{
215	Assert (aThat);
216	mRC = aThat->addVMCaller (taQuiet, taAllowNullVM);
217	}
218	~AutoVMCallerBase()
219	{
220	if (SUCCEEDED (mRC))
221	mThat->releaseVMCaller();
222	}
223	/** Decreases the number of callers before the instance is destroyed. */
224	void release()
225	{
226	AssertReturnVoid (SUCCEEDED (mRC));
227	mThat->releaseVMCaller();
228	mRC = E_FAIL;
229	}
230	/** Restores the number of callers after by #release(). #rc() must be
231	* rechecked to ensure the operation succeeded. */
232	void add()
233	{
234	AssertReturnVoid (!SUCCEEDED (mRC));
235	mRC = mThat->addVMCaller (taQuiet, taAllowNullVM);
236	}
237	/** Returns the result of Console::addVMCaller() */
238	HRESULT rc() const { return mRC; }
239	/** Shortcut to SUCCEEDED (rc()) */
240	bool isOk() const { return SUCCEEDED (mRC); }
241	protected:
242	Console *mThat;
243	HRESULT mRC;
244	private:
245	DECLARE_CLS_COPY_CTOR_ASSIGN_NOOP (AutoVMCallerBase)
246	DECLARE_CLS_NEW_DELETE_NOOP (AutoVMCallerBase)
247	};
248
249	/**
250	* Helper class that protects sections of code using the mpVM pointer by
251	* automatically calling addVMCaller() on construction and
252	* releaseVMCaller() on destruction. Intended for Console methods dealing
253	* with mpVM. The usage pattern is:
254	* <code>
255	* AutoVMCaller autoVMCaller (this);
256	* CheckComRCReturnRC (autoVMCaller.rc());
257	* ...
258	* VMR3ReqCall (mpVM, ...
259	* </code>
260	*
261	* @sa SafeVMPtr, SafeVMPtrQuiet
262	*/
263	typedef AutoVMCallerBase <false, false> AutoVMCaller;
264
265	/**
266	* Base template for SaveVMPtr and SaveVMPtrQuiet.
267	*/
268	template <bool taQuiet = false>
269	class SafeVMPtrBase : public AutoVMCallerBase <taQuiet, true>
270	{
271	typedef AutoVMCallerBase <taQuiet, true> Base;
272	public:
273	SafeVMPtrBase (Console *aThat) : Base (aThat), mpVM (NULL)
274	{
275	if (SUCCEEDED (Base::mRC))
276	mpVM = aThat->mpVM;
277	}
278	/** Smart SaveVMPtr to PVM cast operator */
279	operator PVM() const { return mpVM; }
280	/** Direct PVM access for printf()-like functions */
281	PVM raw() const { return mpVM; }
282	private:
283	PVM mpVM;
284	DECLARE_CLS_COPY_CTOR_ASSIGN_NOOP (SafeVMPtrBase)
285	DECLARE_CLS_NEW_DELETE_NOOP (SafeVMPtrBase)
286	};
287
288	public:
289
290	/**
291	* Helper class that safely manages the Console::mpVM pointer
292	* by calling addVMCaller() on construction and releaseVMCaller() on
293	* destruction. Intended for Console children. The usage pattern is:
294	* <code>
295	* Console::SaveVMPtr pVM (mParent);
296	* CheckComRCReturnRC (pVM.rc());
297	* ...
298	* VMR3ReqCall (pVM, ...
299	* ...
300	* printf ("%p\n", pVM.raw());
301	* </code>
302	*
303	* @sa SafeVMPtrQuiet, AutoVMCaller
304	*/
305	typedef SafeVMPtrBase <false> SafeVMPtr;
306
307	/**
308	* A deviation of SaveVMPtr that doesn't set the error info on failure.
309	* Intenede for pieces of code that don't need to return the VM access
310	* failure to the caller. The usage pattern is:
311	* <code>
312	* Console::SaveVMPtrQuiet pVM (mParent);
313	* if (pVM.rc())
314	* VMR3ReqCall (pVM, ...
315	* return S_OK;
316	* </code>
317	*
318	* @sa SafeVMPtr, AutoVMCaller
319	*/
320	typedef SafeVMPtrBase <true> SafeVMPtrQuiet;
321
322	private:
323
324	typedef std::list <ComObjPtr <USBDevice> > USBDeviceList;
325	typedef std::list <ComObjPtr <RemoteUSBDevice> > RemoteUSBDeviceList;
326	typedef std::list <ComObjPtr <SharedFolder> > SharedFolderList;
327
328	HRESULT addVMCaller (bool aQuiet = false, bool aAllowNullVM = false);
329	void releaseVMCaller();
330
331	HRESULT powerDown();
332
333	HRESULT attachToHostInterface(INetworkAdapter *networkAdapter);
334	HRESULT detachFromHostInterface(INetworkAdapter *networkAdapter);
335	HRESULT powerDownHostInterfaces();
336
337	HRESULT setMachineState (MachineState_T aMachineState, bool aUpdateServer = true);
338	HRESULT setMachineStateLocally (MachineState_T aMachineState)
339	{
340	return setMachineState (aMachineState, false /* aUpdateServer */);
341	}
342
343	HRESULT findSharedFolder (const BSTR aName,
344	ComObjPtr <SharedFolder> &aSharedFolder,
345	bool aSetError = false);
346
347	static DECLCALLBACK(int) configConstructor(PVM pVM, void *pvConsole);
348	static DECLCALLBACK(void) vmstateChangeCallback(PVM aVM, VMSTATE aState,
349	VMSTATE aOldState, void *aUser);
350	HRESULT doDriveChange (const char *pszDevice, unsigned uInstance,
351	unsigned uLun, DriveState_T eState,
352	DriveState_T peState, const char pszPath,
353	bool fPassthrough);
354	static DECLCALLBACK(int) changeDrive (Console pThis, const char pszDevice,
355	unsigned uInstance, unsigned uLun,
356	DriveState_T eState, DriveState_T *peState,
357	const char *pszPath, bool fPassthrough);
358
359	HRESULT attachUSBDevice (IUSBDevice *aHostDevice, bool aManual,
360	PVUSBIRHCONFIG aConfig);
361
362	static DECLCALLBACK(int)
363	usbAttachCallback (Console that, IUSBDevice aHostDevice,
364	PVUSBIRHCONFIG aConfig, PCRTUUID aUuid, bool aRemote,
365	const char aAddress, void aRemoteBackend);
366	static DECLCALLBACK(int)
367	usbDetachCallback (Console that, USBDeviceList::iterator aIt,
368	bool aManual, PVUSBIRHCONFIG aConfig, PCRTUUID aUuid);
369
370	static DECLCALLBACK (int)
371	stateProgressCallback (PVM pVM, unsigned uPercent, void *pvUser);
372
373	static DECLCALLBACK(void)
374	setVMErrorCallback (PVM pVM, void *pvUser, int rc, RT_SRC_POS_DECL,
375	const char *pszFormat, va_list args);
376
377	HRESULT captureUSBDevices (PVM pVM);
378	void releaseAllUSBDevices (void);
379
380	static DECLCALLBACK (int) powerUpThread (RTTHREAD Thread, void *pvUser);
381	static DECLCALLBACK (int) saveStateThread (RTTHREAD Thread, void *pvUser);
382	static DECLCALLBACK (int) powerDownThread (RTTHREAD Thread, void *pvUser);
383
384	static DECLCALLBACK(void *) drvStatus_QueryInterface(PPDMIBASE pInterface, PDMINTERFACE enmInterface);
385	static DECLCALLBACK(void) drvStatus_UnitChanged(PPDMILEDCONNECTORS pInterface, unsigned iLUN);
386	static DECLCALLBACK(void) drvStatus_Destruct(PPDMDRVINS pDrvIns);
387	static DECLCALLBACK(int) drvStatus_Construct(PPDMDRVINS pDrvIns, PCFGMNODE pCfgHandle);
388
389	#ifdef VRDP_MC
390	int m_cAudioRefs;
391
392	static DECLCALLBACK(int) vrdp_ClientLogon (void pvUser, uint32_t u32ClientId, const char pszUser, const char pszPassword, const char pszDomain);
393	static DECLCALLBACK(void) vrdp_ClientConnect (void *pvUser, uint32_t u32ClientId);
394	static DECLCALLBACK(void) vrdp_ClientDisconnect (void *pvUser, uint32_t u32ClientId, uint32_t fu32Intercepted);
395	static DECLCALLBACK(void) vrdp_InterceptAudio (void *pvUser, uint32_t u32ClientId);
396	static DECLCALLBACK(void) vrdp_InterceptUSB (void pvUser, uint32_t u32ClientId, PFNVRDPUSBCALLBACK ppfn, void **ppv);
397	#else
398	static DECLCALLBACK(int) vrdp_ClientLogon (void pvUser, const char pszUser, const char pszPassword, const char pszDomain);
399	static DECLCALLBACK(void) vrdp_ClientConnect (void *pvUser, uint32_t fu32SupportedOrders);
400	static DECLCALLBACK(void) vrdp_ClientDisconnect (void *pvUser);
401	static DECLCALLBACK(void) vrdp_InterceptAudio (void *pvUser, bool keepHostAudio);
402	static DECLCALLBACK(void) vrdp_InterceptUSB (void pvUser, PFNVRDPUSBCALLBACK ppfn, void **ppv);
403	#endif /* VRDP_MC */
404
405	static VRDPSERVERCALLBACK sVrdpServerCallback;
406
407	static char *sSSMConsoleUnit;
408	static uint32_t sSSMConsoleVer;
409
410	HRESULT loadDataFromSavedState();
411
412	static DECLCALLBACK(void) saveStateFileExec (PSSMHANDLE pSSM, void *pvUser);
413	static DECLCALLBACK(int) loadStateFileExec (PSSMHANDLE pSSM, void *pvUser, uint32_t u32Version);
414
415	bool mSavedStateDataLoaded : 1;
416
417	const ComPtr <IMachine> mMachine;
418	const ComPtr <IInternalMachineControl> mControl;
419
420	const ComPtr <IVRDPServer> mVRDPServer;
421	const ComPtr <IDVDDrive> mDVDDrive;
422	const ComPtr <IFloppyDrive> mFloppyDrive;
423
424	ConsoleVRDPServer * const mConsoleVRDPServer;
425
426	const ComObjPtr <Guest> mGuest;
427	const ComObjPtr <Keyboard> mKeyboard;
428	const ComObjPtr <Mouse> mMouse;
429	const ComObjPtr <Display> mDisplay;
430	const ComObjPtr <MachineDebugger> mDebugger;
431	const ComObjPtr <RemoteDisplayInfo> mRemoteDisplayInfo;
432
433	USBDeviceList mUSBDevices;
434	RemoteUSBDeviceList mRemoteUSBDevices;
435	SharedFolderList mSharedFolders;
436
437	/** The VM instance handle. */
438	PVM mpVM;
439	/** Holds the number of "readonly" mpVM callers (users) */
440	uint32_t mVMCallers;
441	/** Semaphore posted when the number of mpVM callers drops to zero */
442	RTSEMEVENT mVMZeroCallersSem;
443	/** true when Console has entered the mpVM destruction phase */
444	bool mVMDestroying : 1;
445
446	/** The current DVD drive state in the VM.
447	* This does not have to match the state maintained in the DVD. */
448	DriveState_T meDVDState;
449	/** The current Floppy drive state in the VM.
450	* This does not have to match the state maintained in the Floppy. */
451	DriveState_T meFloppyState;
452
453	VMMDev * const mVMMDev;
454	AudioSniffer * const mAudioSniffer;
455
456	PPDMLED mapFDLeds[2];
457	PPDMLED mapIDELeds[4];
458	PPDMLED mapNetworkLeds[8];
459	#ifdef __LINUX__
460	Utf8Str maTAPDeviceName[8];
461	RTFILE maTapFD[8];
462	#endif
463
464	bool mVMStateChangeCallbackDisabled;
465
466	// local state value
467	MachineState_T mMachineState;
468
469	typedef std::list <ComPtr <IConsoleCallback> > CallbackList;
470	CallbackList mCallbacks;
471
472	friend struct VMTask;
473	};
474
475	#endif // ____H_CONSOLEIMPL

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source: vbox/trunk/src/VBox/Main/include/ConsoleImpl.h@ 163

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