USBControllerImpl.cpp@ 41184

Last change on this file since 41184 was 41184, checked in by vboxsync, 13 years ago
Main+Frontends: removed unused and confusing VirtualBoxErrorInfo implementation, and cleaned up lots of misleading comments and other leftovers about the earlier ErrorInfo mess
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 36.1 KB

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1	/* $Id: USBControllerImpl.cpp 41184 2012-05-07 13:28:04Z vboxsync $ */
2	/** @file
3	* Implementation of IUSBController.
4	*/
5
6	/*
7	* Copyright (C) 2006-2012 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	#include "USBControllerImpl.h"
19
20	#include "Global.h"
21	#include "MachineImpl.h"
22	#include "VirtualBoxImpl.h"
23	#include "HostImpl.h"
24	#ifdef VBOX_WITH_USB
25	# include "USBDeviceImpl.h"
26	# include "HostUSBDeviceImpl.h"
27	# include "USBProxyService.h"
28	# include "USBDeviceFilterImpl.h"
29	#endif
30
31	#include <iprt/string.h>
32	#include <iprt/cpp/utils.h>
33
34	#include <VBox/err.h>
35	#include <VBox/settings.h>
36
37	#include <algorithm>
38
39	#include "AutoStateDep.h"
40	#include "AutoCaller.h"
41	#include "Logging.h"
42
43	// defines
44	/////////////////////////////////////////////////////////////////////////////
45
46	typedef std::list< ComObjPtr<USBDeviceFilter> > DeviceFilterList;
47
48	struct BackupableUSBData
49	{
50	BackupableUSBData()
51	: fEnabled(false),
52	fEnabledEHCI(false)
53	{ }
54
55	BOOL fEnabled;
56	BOOL fEnabledEHCI;
57	};
58
59	struct USBController::Data
60	{
61	Data(Machine *pMachine)
62	: pParent(pMachine),
63	pHost(pMachine->getVirtualBox()->host())
64	{ }
65
66	~Data()
67	{};
68
69	Machine * const pParent;
70	Host * const pHost;
71
72	// peer machine's USB controller
73	const ComObjPtr<USBController> pPeer;
74
75	Backupable<BackupableUSBData> bd;
76	#ifdef VBOX_WITH_USB
77	// the following fields need special backup/rollback/commit handling,
78	// so they cannot be a part of BackupableData
79	Backupable<DeviceFilterList> llDeviceFilters;
80	#endif
81	};
82
83
84
85	// constructor / destructor
86	/////////////////////////////////////////////////////////////////////////////
87
88	DEFINE_EMPTY_CTOR_DTOR(USBController)
89
90	HRESULT USBController::FinalConstruct()
91	{
92	return BaseFinalConstruct();
93	}
94
95	void USBController::FinalRelease()
96	{
97	uninit();
98	BaseFinalRelease();
99	}
100
101	// public initializer/uninitializer for internal purposes only
102	/////////////////////////////////////////////////////////////////////////////
103
104	/**
105	* Initializes the USB controller object.
106	*
107	* @returns COM result indicator.
108	* @param aParent Pointer to our parent object.
109	*/
110	HRESULT USBController::init(Machine *aParent)
111	{
112	LogFlowThisFunc(("aParent=%p\n", aParent));
113
114	ComAssertRet(aParent, E_INVALIDARG);
115
116	/* Enclose the state transition NotReady->InInit->Ready */
117	AutoInitSpan autoInitSpan(this);
118	AssertReturn(autoInitSpan.isOk(), E_FAIL);
119
120	m = new Data(aParent);
121
122	/* mPeer is left null */
123
124	m->bd.allocate();
125	#ifdef VBOX_WITH_USB
126	m->llDeviceFilters.allocate();
127	#endif
128
129	/* Confirm a successful initialization */
130	autoInitSpan.setSucceeded();
131
132	return S_OK;
133	}
134
135	/**
136	* Initializes the USB controller object given another USB controller object
137	* (a kind of copy constructor). This object shares data with
138	* the object passed as an argument.
139	*
140	* @returns COM result indicator.
141	* @param aParent Pointer to our parent object.
142	* @param aPeer The object to share.
143	*
144	* @note This object must be destroyed before the original object
145	* it shares data with is destroyed.
146	*/
147	HRESULT USBController::init(Machine aParent, USBController aPeer)
148	{
149	LogFlowThisFunc(("aParent=%p, aPeer=%p\n", aParent, aPeer));
150
151	ComAssertRet(aParent && aPeer, E_INVALIDARG);
152
153	/* Enclose the state transition NotReady->InInit->Ready */
154	AutoInitSpan autoInitSpan(this);
155	AssertReturn(autoInitSpan.isOk(), E_FAIL);
156
157	m = new Data(aParent);
158
159	unconst(m->pPeer) = aPeer;
160
161	AutoWriteLock thatlock(aPeer COMMA_LOCKVAL_SRC_POS);
162	m->bd.share(aPeer->m->bd);
163
164	#ifdef VBOX_WITH_USB
165	/* create copies of all filters */
166	m->llDeviceFilters.allocate();
167	DeviceFilterList::const_iterator it = aPeer->m->llDeviceFilters->begin();
168	while (it != aPeer->m->llDeviceFilters->end())
169	{
170	ComObjPtr<USBDeviceFilter> filter;
171	filter.createObject();
172	filter->init(this, *it);
173	m->llDeviceFilters->push_back(filter);
174	++ it;
175	}
176	#endif /* VBOX_WITH_USB */
177
178	/* Confirm a successful initialization */
179	autoInitSpan.setSucceeded();
180
181	return S_OK;
182	}
183
184
185	/**
186	* Initializes the USB controller object given another guest object
187	* (a kind of copy constructor). This object makes a private copy of data
188	* of the original object passed as an argument.
189	*/
190	HRESULT USBController::initCopy(Machine aParent, USBController aPeer)
191	{
192	LogFlowThisFunc(("aParent=%p, aPeer=%p\n", aParent, aPeer));
193
194	ComAssertRet(aParent && aPeer, E_INVALIDARG);
195
196	/* Enclose the state transition NotReady->InInit->Ready */
197	AutoInitSpan autoInitSpan(this);
198	AssertReturn(autoInitSpan.isOk(), E_FAIL);
199
200	m = new Data(aParent);
201
202	/* mPeer is left null */
203
204	AutoWriteLock thatlock(aPeer COMMA_LOCKVAL_SRC_POS);
205	m->bd.attachCopy(aPeer->m->bd);
206
207	#ifdef VBOX_WITH_USB
208	/* create private copies of all filters */
209	m->llDeviceFilters.allocate();
210	DeviceFilterList::const_iterator it = aPeer->m->llDeviceFilters->begin();
211	while (it != aPeer->m->llDeviceFilters->end())
212	{
213	ComObjPtr<USBDeviceFilter> filter;
214	filter.createObject();
215	filter->initCopy(this, *it);
216	m->llDeviceFilters->push_back(filter);
217	++ it;
218	}
219	#endif /* VBOX_WITH_USB */
220
221	/* Confirm a successful initialization */
222	autoInitSpan.setSucceeded();
223
224	return S_OK;
225	}
226
227
228	/**
229	* Uninitializes the instance and sets the ready flag to FALSE.
230	* Called either from FinalRelease() or by the parent when it gets destroyed.
231	*/
232	void USBController::uninit()
233	{
234	LogFlowThisFunc(("\n"));
235
236	/* Enclose the state transition Ready->InUninit->NotReady */
237	AutoUninitSpan autoUninitSpan(this);
238	if (autoUninitSpan.uninitDone())
239	return;
240
241	#ifdef VBOX_WITH_USB
242	// uninit all device filters on the list (it's a standard std::list not an ObjectsList
243	// so we must uninit() manually)
244	for (DeviceFilterList::iterator it = m->llDeviceFilters->begin();
245	it != m->llDeviceFilters->end();
246	++it)
247	(*it)->uninit();
248
249	m->llDeviceFilters.free();
250	#endif
251	m->bd.free();
252
253	unconst(m->pPeer) = NULL;
254	unconst(m->pParent) = NULL;
255
256	delete m;
257	m = NULL;
258	}
259
260
261	// IUSBController properties
262	/////////////////////////////////////////////////////////////////////////////
263
264	STDMETHODIMP USBController::COMGETTER(Enabled)(BOOL *aEnabled)
265	{
266	CheckComArgOutPointerValid(aEnabled);
267
268	AutoCaller autoCaller(this);
269	if (FAILED(autoCaller.rc())) return autoCaller.rc();
270
271	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
272
273	*aEnabled = m->bd->fEnabled;
274
275	return S_OK;
276	}
277
278
279	STDMETHODIMP USBController::COMSETTER(Enabled)(BOOL aEnabled)
280	{
281	LogFlowThisFunc(("aEnabled=%RTbool\n", aEnabled));
282
283	AutoCaller autoCaller(this);
284	if (FAILED(autoCaller.rc())) return autoCaller.rc();
285
286	/* the machine needs to be mutable */
287	AutoMutableStateDependency adep(m->pParent);
288	if (FAILED(adep.rc())) return adep.rc();
289
290	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
291
292	if (m->bd->fEnabled != aEnabled)
293	{
294	m->bd.backup();
295	m->bd->fEnabled = aEnabled;
296
297	// leave the lock for safety
298	alock.release();
299
300	AutoWriteLock mlock(m->pParent COMMA_LOCKVAL_SRC_POS);
301	m->pParent->setModified(Machine::IsModified_USB);
302	mlock.release();
303
304	m->pParent->onUSBControllerChange();
305	}
306
307	return S_OK;
308	}
309
310	STDMETHODIMP USBController::COMGETTER(EnabledEhci)(BOOL *aEnabled)
311	{
312	CheckComArgOutPointerValid(aEnabled);
313
314	AutoCaller autoCaller(this);
315	if (FAILED(autoCaller.rc())) return autoCaller.rc();
316
317	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
318
319	*aEnabled = m->bd->fEnabledEHCI;
320
321	return S_OK;
322	}
323
324	STDMETHODIMP USBController::COMSETTER(EnabledEhci)(BOOL aEnabled)
325	{
326	LogFlowThisFunc(("aEnabled=%RTbool\n", aEnabled));
327
328	AutoCaller autoCaller(this);
329	if (FAILED(autoCaller.rc())) return autoCaller.rc();
330
331	/* the machine needs to be mutable */
332	AutoMutableStateDependency adep(m->pParent);
333	if (FAILED(adep.rc())) return adep.rc();
334
335	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
336
337	if (m->bd->fEnabledEHCI != aEnabled)
338	{
339	m->bd.backup();
340	m->bd->fEnabledEHCI = aEnabled;
341
342	// leave the lock for safety
343	alock.release();
344
345	AutoWriteLock mlock(m->pParent COMMA_LOCKVAL_SRC_POS);
346	m->pParent->setModified(Machine::IsModified_USB);
347	mlock.release();
348
349	m->pParent->onUSBControllerChange();
350	}
351
352	return S_OK;
353	}
354
355	STDMETHODIMP USBController::COMGETTER(ProxyAvailable)(BOOL *aEnabled)
356	{
357	CheckComArgOutPointerValid(aEnabled);
358
359	AutoCaller autoCaller(this);
360	if (FAILED(autoCaller.rc())) return autoCaller.rc();
361
362	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
363
364	#ifdef VBOX_WITH_USB
365	*aEnabled = true;
366	#else
367	*aEnabled = false;
368	#endif
369
370	return S_OK;
371	}
372
373	STDMETHODIMP USBController::COMGETTER(USBStandard)(USHORT *aUSBStandard)
374	{
375	CheckComArgOutPointerValid(aUSBStandard);
376
377	AutoCaller autoCaller(this);
378	if (FAILED(autoCaller.rc())) return autoCaller.rc();
379
380	/* not accessing data -- no need to lock */
381
382	/** @todo This is no longer correct */
383	*aUSBStandard = 0x0101;
384
385	return S_OK;
386	}
387
388	#ifndef VBOX_WITH_USB
389	/**
390	* Fake class for build without USB.
391	* We need an empty collection & enum for deviceFilters, that's all.
392	*/
393	class ATL_NO_VTABLE USBDeviceFilter :
394	public VirtualBoxBase,
395	VBOX_SCRIPTABLE_IMPL(IUSBDeviceFilter)
396	{
397	public:
398	DECLARE_NOT_AGGREGATABLE(USBDeviceFilter)
399	DECLARE_PROTECT_FINAL_CONSTRUCT()
400	BEGIN_COM_MAP(USBDeviceFilter)
401	VBOX_DEFAULT_INTERFACE_ENTRIES(IUSBDeviceFilter)
402	END_COM_MAP()
403
404	DECLARE_EMPTY_CTOR_DTOR(USBDeviceFilter)
405
406	// IUSBDeviceFilter properties
407	STDMETHOD(COMGETTER(Name))(BSTR *aName);
408	STDMETHOD(COMSETTER(Name))(IN_BSTR aName);
409	STDMETHOD(COMGETTER(Active))(BOOL *aActive);
410	STDMETHOD(COMSETTER(Active))(BOOL aActive);
411	STDMETHOD(COMGETTER(VendorId))(BSTR *aVendorId);
412	STDMETHOD(COMSETTER(VendorId))(IN_BSTR aVendorId);
413	STDMETHOD(COMGETTER(ProductId))(BSTR *aProductId);
414	STDMETHOD(COMSETTER(ProductId))(IN_BSTR aProductId);
415	STDMETHOD(COMGETTER(Revision))(BSTR *aRevision);
416	STDMETHOD(COMSETTER(Revision))(IN_BSTR aRevision);
417	STDMETHOD(COMGETTER(Manufacturer))(BSTR *aManufacturer);
418	STDMETHOD(COMSETTER(Manufacturer))(IN_BSTR aManufacturer);
419	STDMETHOD(COMGETTER(Product))(BSTR *aProduct);
420	STDMETHOD(COMSETTER(Product))(IN_BSTR aProduct);
421	STDMETHOD(COMGETTER(SerialNumber))(BSTR *aSerialNumber);
422	STDMETHOD(COMSETTER(SerialNumber))(IN_BSTR aSerialNumber);
423	STDMETHOD(COMGETTER(Port))(BSTR *aPort);
424	STDMETHOD(COMSETTER(Port))(IN_BSTR aPort);
425	STDMETHOD(COMGETTER(Remote))(BSTR *aRemote);
426	STDMETHOD(COMSETTER(Remote))(IN_BSTR aRemote);
427	STDMETHOD(COMGETTER(MaskedInterfaces))(ULONG *aMaskedIfs);
428	STDMETHOD(COMSETTER(MaskedInterfaces))(ULONG aMaskedIfs);
429	};
430	#endif /* !VBOX_WITH_USB */
431
432
433	STDMETHODIMP USBController::COMGETTER(DeviceFilters)(ComSafeArrayOut(IUSBDeviceFilter *, aDevicesFilters))
434	{
435	#ifdef VBOX_WITH_USB
436	CheckComArgOutSafeArrayPointerValid(aDevicesFilters);
437
438	AutoCaller autoCaller(this);
439	if(FAILED(autoCaller.rc())) return autoCaller.rc();
440
441	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
442
443	SafeIfaceArray<IUSBDeviceFilter> collection(*m->llDeviceFilters.data());
444	collection.detachTo(ComSafeArrayOutArg(aDevicesFilters));
445
446	return S_OK;
447	#else
448	NOREF(aDevicesFilters);
449	# ifndef RT_OS_WINDOWS
450	NOREF(aDevicesFiltersSize);
451	# endif
452	ReturnComNotImplemented();
453	#endif
454	}
455
456	// IUSBController methods
457	/////////////////////////////////////////////////////////////////////////////
458
459	STDMETHODIMP USBController::CreateDeviceFilter(IN_BSTR aName,
460	IUSBDeviceFilter **aFilter)
461	{
462	#ifdef VBOX_WITH_USB
463	CheckComArgOutPointerValid(aFilter);
464
465	CheckComArgStrNotEmptyOrNull(aName);
466
467	AutoCaller autoCaller(this);
468	if (FAILED(autoCaller.rc())) return autoCaller.rc();
469
470	/* the machine needs to be mutable */
471	AutoMutableStateDependency adep(m->pParent);
472	if (FAILED(adep.rc())) return adep.rc();
473
474	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
475
476	ComObjPtr<USBDeviceFilter> filter;
477	filter.createObject();
478	HRESULT rc = filter->init(this, aName);
479	ComAssertComRCRetRC(rc);
480	rc = filter.queryInterfaceTo(aFilter);
481	AssertComRCReturnRC(rc);
482
483	return S_OK;
484	#else
485	NOREF(aName);
486	NOREF(aFilter);
487	ReturnComNotImplemented();
488	#endif
489	}
490
491	STDMETHODIMP USBController::InsertDeviceFilter(ULONG aPosition,
492	IUSBDeviceFilter *aFilter)
493	{
494	#ifdef VBOX_WITH_USB
495
496	CheckComArgNotNull(aFilter);
497
498	AutoCaller autoCaller(this);
499	if (FAILED(autoCaller.rc())) return autoCaller.rc();
500
501	/* the machine needs to be mutable */
502	AutoMutableStateDependency adep(m->pParent);
503	if (FAILED(adep.rc())) return adep.rc();
504
505	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
506
507	ComObjPtr<USBDeviceFilter> filter = static_cast<USBDeviceFilter*>(aFilter);
508	// @todo r=dj make sure the input object is actually from us
509	// if (!filter)
510	// return setError(E_INVALIDARG,
511	// tr("The given USB device filter is not created within "
512	// "this VirtualBox instance"));
513
514	if (filter->mInList)
515	return setError(VBOX_E_INVALID_OBJECT_STATE,
516	tr("The given USB device filter is already in the list"));
517
518	/* backup the list before modification */
519	m->llDeviceFilters.backup();
520
521	/* iterate to the position... */
522	DeviceFilterList::iterator it;
523	if (aPosition < m->llDeviceFilters->size())
524	{
525	it = m->llDeviceFilters->begin();
526	std::advance(it, aPosition);
527	}
528	else
529	it = m->llDeviceFilters->end();
530	/* ...and insert */
531	m->llDeviceFilters->insert(it, filter);
532	filter->mInList = true;
533
534	/* notify the proxy (only when it makes sense) */
535	if (filter->getData().mActive && Global::IsOnline(adep.machineState())
536	&& filter->getData().mRemote.isMatch(false))
537	{
538	USBProxyService *service = m->pHost->usbProxyService();
539	ComAssertRet(service, E_FAIL);
540
541	ComAssertRet(filter->getId() == NULL, E_FAIL);
542	filter->getId() = service->insertFilter(&filter->getData().mUSBFilter);
543	}
544
545	alock.release();
546	AutoWriteLock mlock(m->pParent COMMA_LOCKVAL_SRC_POS);
547	m->pParent->setModified(Machine::IsModified_USB);
548	mlock.release();
549
550	return S_OK;
551
552	#else /* VBOX_WITH_USB */
553
554	NOREF(aPosition);
555	NOREF(aFilter);
556	ReturnComNotImplemented();
557
558	#endif /* VBOX_WITH_USB */
559	}
560
561	STDMETHODIMP USBController::RemoveDeviceFilter(ULONG aPosition,
562	IUSBDeviceFilter **aFilter)
563	{
564	#ifdef VBOX_WITH_USB
565
566	CheckComArgOutPointerValid(aFilter);
567
568	AutoCaller autoCaller(this);
569	if (FAILED(autoCaller.rc())) return autoCaller.rc();
570
571	/* the machine needs to be mutable */
572	AutoMutableStateDependency adep(m->pParent);
573	if (FAILED(adep.rc())) return adep.rc();
574
575	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
576
577	if (!m->llDeviceFilters->size())
578	return setError(E_INVALIDARG,
579	tr("The USB device filter list is empty"));
580
581	if (aPosition >= m->llDeviceFilters->size())
582	return setError(E_INVALIDARG,
583	tr("Invalid position: %lu (must be in range [0, %lu])"),
584	aPosition, m->llDeviceFilters->size() - 1);
585
586	/* backup the list before modification */
587	m->llDeviceFilters.backup();
588
589	ComObjPtr<USBDeviceFilter> filter;
590	{
591	/* iterate to the position... */
592	DeviceFilterList::iterator it = m->llDeviceFilters->begin();
593	std::advance(it, aPosition);
594	/* ...get an element from there... */
595	filter = *it;
596	/* ...and remove */
597	filter->mInList = false;
598	m->llDeviceFilters->erase(it);
599	}
600
601	/* cancel sharing (make an independent copy of data) */
602	filter->unshare();
603
604	filter.queryInterfaceTo(aFilter);
605
606	/* notify the proxy (only when it makes sense) */
607	if (filter->getData().mActive && Global::IsOnline(adep.machineState())
608	&& filter->getData().mRemote.isMatch(false))
609	{
610	USBProxyService *service = m->pHost->usbProxyService();
611	ComAssertRet(service, E_FAIL);
612
613	ComAssertRet(filter->getId() != NULL, E_FAIL);
614	service->removeFilter(filter->getId());
615	filter->getId() = NULL;
616	}
617
618	alock.release();
619	AutoWriteLock mlock(m->pParent COMMA_LOCKVAL_SRC_POS);
620	m->pParent->setModified(Machine::IsModified_USB);
621	mlock.release();
622
623	return S_OK;
624
625	#else /* VBOX_WITH_USB */
626
627	NOREF(aPosition);
628	NOREF(aFilter);
629	ReturnComNotImplemented();
630
631	#endif /* VBOX_WITH_USB */
632	}
633
634	// public methods only for internal purposes
635	/////////////////////////////////////////////////////////////////////////////
636
637	/**
638	* Loads settings from the given machine node.
639	* May be called once right after this object creation.
640	*
641	* @param aMachineNode <Machine> node.
642	*
643	* @note Does not lock "this" as Machine::loadHardware, which calls this, does not lock either.
644	*/
645	HRESULT USBController::loadSettings(const settings::USBController &data)
646	{
647	AutoCaller autoCaller(this);
648	AssertComRCReturnRC(autoCaller.rc());
649
650	/* Note: we assume that the default values for attributes of optional
651	* nodes are assigned in the Data::Data() constructor and don't do it
652	* here. It implies that this method may only be called after constructing
653	* a new BIOSSettings object while all its data fields are in the default
654	* values. Exceptions are fields whose creation time defaults don't match
655	* values that should be applied when these fields are not explicitly set
656	* in the settings file (for backwards compatibility reasons). This takes
657	* place when a setting of a newly created object must default to A while
658	* the same setting of an object loaded from the old settings file must
659	* default to B. */
660
661	m->bd->fEnabled = data.fEnabled;
662	m->bd->fEnabledEHCI = data.fEnabledEHCI;
663
664	#ifdef VBOX_WITH_USB
665	for (settings::USBDeviceFiltersList::const_iterator it = data.llDeviceFilters.begin();
666	it != data.llDeviceFilters.end();
667	++it)
668	{
669	const settings::USBDeviceFilter &f = *it;
670	ComObjPtr<USBDeviceFilter> pFilter;
671	pFilter.createObject();
672	HRESULT rc = pFilter->init(this, // parent
673	f);
674	if (FAILED(rc)) return rc;
675
676	m->llDeviceFilters->push_back(pFilter);
677	pFilter->mInList = true;
678	}
679	#endif /* VBOX_WITH_USB */
680
681	return S_OK;
682	}
683
684	/**
685	* Saves settings to the given machine node.
686	*
687	* @param aMachineNode <Machine> node.
688	*
689	* @note Locks this object for reading.
690	*/
691	HRESULT USBController::saveSettings(settings::USBController &data)
692	{
693	AutoCaller autoCaller(this);
694	if (FAILED(autoCaller.rc())) return autoCaller.rc();
695
696	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
697
698	data.fEnabled = !!m->bd->fEnabled;
699	data.fEnabledEHCI = !!m->bd->fEnabledEHCI;
700
701	#ifdef VBOX_WITH_USB
702	data.llDeviceFilters.clear();
703
704	for (DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
705	it != m->llDeviceFilters->end();
706	++it)
707	{
708	AutoWriteLock filterLock(*it COMMA_LOCKVAL_SRC_POS);
709	const USBDeviceFilter::Data &filterData = (*it)->getData();
710
711	Bstr str;
712
713	settings::USBDeviceFilter f;
714	f.strName = filterData.mName;
715	f.fActive = !!filterData.mActive;
716	(*it)->COMGETTER(VendorId)(str.asOutParam());
717	f.strVendorId = str;
718	(*it)->COMGETTER(ProductId)(str.asOutParam());
719	f.strProductId = str;
720	(*it)->COMGETTER(Revision)(str.asOutParam());
721	f.strRevision = str;
722	(*it)->COMGETTER(Manufacturer)(str.asOutParam());
723	f.strManufacturer = str;
724	(*it)->COMGETTER(Product)(str.asOutParam());
725	f.strProduct = str;
726	(*it)->COMGETTER(SerialNumber)(str.asOutParam());
727	f.strSerialNumber = str;
728	(*it)->COMGETTER(Port)(str.asOutParam());
729	f.strPort = str;
730	f.strRemote = filterData.mRemote.string();
731	f.ulMaskedInterfaces = filterData.mMaskedIfs;
732
733	data.llDeviceFilters.push_back(f);
734	}
735	#endif /* VBOX_WITH_USB */
736
737	return S_OK;
738	}
739
740	/** @note Locks objects for writing! */
741	void USBController::rollback()
742	{
743	AutoCaller autoCaller(this);
744	AssertComRCReturnVoid(autoCaller.rc());
745
746	/* we need the machine state */
747	AutoAnyStateDependency adep(m->pParent);
748	AssertComRCReturnVoid(adep.rc());
749
750	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
751
752	m->bd.rollback();
753
754	#ifdef VBOX_WITH_USB
755
756	if (m->llDeviceFilters.isBackedUp())
757	{
758	USBProxyService *service = m->pHost->usbProxyService();
759	Assert(service);
760
761	/* uninitialize all new filters (absent in the backed up list) */
762	DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
763	DeviceFilterList *backedList = m->llDeviceFilters.backedUpData();
764	while (it != m->llDeviceFilters->end())
765	{
766	if (std::find(backedList->begin(), backedList->end(), *it) ==
767	backedList->end())
768	{
769	/* notify the proxy (only when it makes sense) */
770	if ((*it)->getData().mActive &&
771	Global::IsOnline(adep.machineState())
772	&& (*it)->getData().mRemote.isMatch(false))
773	{
774	USBDeviceFilter filter = it;
775	Assert(filter->getId() != NULL);
776	service->removeFilter(filter->getId());
777	filter->getId() = NULL;
778	}
779
780	(*it)->uninit();
781	}
782	++ it;
783	}
784
785	if (Global::IsOnline(adep.machineState()))
786	{
787	/* find all removed old filters (absent in the new list)
788	* and insert them back to the USB proxy */
789	it = backedList->begin();
790	while (it != backedList->end())
791	{
792	if (std::find(m->llDeviceFilters->begin(), m->llDeviceFilters->end(), *it) ==
793	m->llDeviceFilters->end())
794	{
795	/* notify the proxy (only when necessary) */
796	if ((*it)->getData().mActive
797	&& (*it)->getData().mRemote.isMatch(false))
798	{
799	USBDeviceFilter flt = it; /* resolve ambiguity */
800	Assert(flt->getId() == NULL);
801	flt->getId() = service->insertFilter(&flt->getData().mUSBFilter);
802	}
803	}
804	++ it;
805	}
806	}
807
808	/* restore the list */
809	m->llDeviceFilters.rollback();
810	}
811
812	/* here we don't depend on the machine state any more */
813	adep.release();
814
815	/* rollback any changes to filters after restoring the list */
816	DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
817	while (it != m->llDeviceFilters->end())
818	{
819	if ((*it)->isModified())
820	{
821	(*it)->rollback();
822	/* call this to notify the USB proxy about changes */
823	onDeviceFilterChange(*it);
824	}
825	++it;
826	}
827
828	#endif /* VBOX_WITH_USB */
829	}
830
831	/**
832	* @note Locks this object for writing, together with the peer object (also
833	* for writing) if there is one.
834	*/
835	void USBController::commit()
836	{
837	/* sanity */
838	AutoCaller autoCaller(this);
839	AssertComRCReturnVoid(autoCaller.rc());
840
841	/* sanity too */
842	AutoCaller peerCaller(m->pPeer);
843	AssertComRCReturnVoid(peerCaller.rc());
844
845	/* lock both for writing since we modify both (mPeer is "master" so locked
846	* first) */
847	AutoMultiWriteLock2 alock(m->pPeer, this COMMA_LOCKVAL_SRC_POS);
848
849	if (m->bd.isBackedUp())
850	{
851	m->bd.commit();
852	if (m->pPeer)
853	{
854	/* attach new data to the peer and reshare it */
855	AutoWriteLock peerlock(m->pPeer COMMA_LOCKVAL_SRC_POS);
856	m->pPeer->m->bd.attach(m->bd);
857	}
858	}
859
860	#ifdef VBOX_WITH_USB
861	bool commitFilters = false;
862
863	if (m->llDeviceFilters.isBackedUp())
864	{
865	m->llDeviceFilters.commit();
866
867	/* apply changes to peer */
868	if (m->pPeer)
869	{
870	AutoWriteLock peerlock(m->pPeer COMMA_LOCKVAL_SRC_POS);
871
872	/* commit all changes to new filters (this will reshare data with
873	* peers for those who have peers) */
874	DeviceFilterList *newList = new DeviceFilterList();
875	DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
876	while (it != m->llDeviceFilters->end())
877	{
878	(*it)->commit();
879
880	/* look if this filter has a peer filter */
881	ComObjPtr<USBDeviceFilter> peer = (*it)->peer();
882	if (!peer)
883	{
884	/* no peer means the filter is a newly created one;
885	* create a peer owning data this filter share it with */
886	peer.createObject();
887	peer->init(m->pPeer, it, true / aReshare */);
888	}
889	else
890	{
891	/* remove peer from the old list */
892	m->pPeer->m->llDeviceFilters->remove(peer);
893	}
894	/* and add it to the new list */
895	newList->push_back(peer);
896
897	++ it;
898	}
899
900	/* uninit old peer's filters that are left */
901	it = m->pPeer->m->llDeviceFilters->begin();
902	while (it != m->pPeer->m->llDeviceFilters->end())
903	{
904	(*it)->uninit();
905	++ it;
906	}
907
908	/* attach new list of filters to our peer */
909	m->pPeer->m->llDeviceFilters.attach(newList);
910	}
911	else
912	{
913	/* we have no peer (our parent is the newly created machine);
914	* just commit changes to filters */
915	commitFilters = true;
916	}
917	}
918	else
919	{
920	/* the list of filters itself is not changed,
921	* just commit changes to filters themselves */
922	commitFilters = true;
923	}
924
925	if (commitFilters)
926	{
927	DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
928	while (it != m->llDeviceFilters->end())
929	{
930	(*it)->commit();
931	++ it;
932	}
933	}
934	#endif /* VBOX_WITH_USB */
935	}
936
937	/**
938	* @note Locks this object for writing, together with the peer object
939	* represented by @a aThat (locked for reading).
940	*/
941	void USBController::copyFrom(USBController *aThat)
942	{
943	AssertReturnVoid(aThat != NULL);
944
945	/* sanity */
946	AutoCaller autoCaller(this);
947	AssertComRCReturnVoid(autoCaller.rc());
948
949	/* sanity too */
950	AutoCaller thatCaller(aThat);
951	AssertComRCReturnVoid(thatCaller.rc());
952
953	/* even more sanity */
954	AutoAnyStateDependency adep(m->pParent);
955	AssertComRCReturnVoid(adep.rc());
956	/* Machine::copyFrom() may not be called when the VM is running */
957	AssertReturnVoid(!Global::IsOnline(adep.machineState()));
958
959	/* peer is not modified, lock it for reading (aThat is "master" so locked
960	* first) */
961	AutoReadLock rl(aThat COMMA_LOCKVAL_SRC_POS);
962	AutoWriteLock wl(this COMMA_LOCKVAL_SRC_POS);
963
964	/* this will back up current data */
965	m->bd.assignCopy(aThat->m->bd);
966
967	#ifdef VBOX_WITH_USB
968
969	/* Note that we won't inform the USB proxy about new filters since the VM is
970	* not running when we are here and therefore no need to do so */
971
972	/* create private copies of all filters */
973	m->llDeviceFilters.backup();
974	m->llDeviceFilters->clear();
975	for (DeviceFilterList::const_iterator it = aThat->m->llDeviceFilters->begin();
976	it != aThat->m->llDeviceFilters->end();
977	++ it)
978	{
979	ComObjPtr<USBDeviceFilter> filter;
980	filter.createObject();
981	filter->initCopy(this, *it);
982	m->llDeviceFilters->push_back(filter);
983	}
984
985	#endif /* VBOX_WITH_USB */
986	}
987
988	#ifdef VBOX_WITH_USB
989
990	/**
991	* Called by setter methods of all USB device filters.
992	*
993	* @note Locks nothing.
994	*/
995	HRESULT USBController::onDeviceFilterChange(USBDeviceFilter *aFilter,
996	BOOL aActiveChanged /* = FALSE */)
997	{
998	AutoCaller autoCaller(this);
999	AssertComRCReturnRC(autoCaller.rc());
1000
1001	/* we need the machine state */
1002	AutoAnyStateDependency adep(m->pParent);
1003	AssertComRCReturnRC(adep.rc());
1004
1005	/* nothing to do if the machine isn't running */
1006	if (!Global::IsOnline(adep.machineState()))
1007	return S_OK;
1008
1009	/* we don't modify our data fields -- no need to lock */
1010
1011	if ( aFilter->mInList
1012	&& m->pParent->isRegistered())
1013	{
1014	USBProxyService *service = m->pHost->usbProxyService();
1015	ComAssertRet(service, E_FAIL);
1016
1017	if (aActiveChanged)
1018	{
1019	if (aFilter->getData().mRemote.isMatch(false))
1020	{
1021	/* insert/remove the filter from the proxy */
1022	if (aFilter->getData().mActive)
1023	{
1024	ComAssertRet(aFilter->getId() == NULL, E_FAIL);
1025	aFilter->getId() = service->insertFilter(&aFilter->getData().mUSBFilter);
1026	}
1027	else
1028	{
1029	ComAssertRet(aFilter->getId() != NULL, E_FAIL);
1030	service->removeFilter(aFilter->getId());
1031	aFilter->getId() = NULL;
1032	}
1033	}
1034	}
1035	else
1036	{
1037	if (aFilter->getData().mActive)
1038	{
1039	/* update the filter in the proxy */
1040	ComAssertRet(aFilter->getId() != NULL, E_FAIL);
1041	service->removeFilter(aFilter->getId());
1042	if (aFilter->getData().mRemote.isMatch(false))
1043	{
1044	aFilter->getId() = service->insertFilter(&aFilter->getData().mUSBFilter);
1045	}
1046	}
1047	}
1048	}
1049
1050	return S_OK;
1051	}
1052
1053	/**
1054	* Returns true if the given USB device matches to at least one of
1055	* this controller's USB device filters.
1056	*
1057	* A HostUSBDevice specific version.
1058	*
1059	* @note Locks this object for reading.
1060	*/
1061	bool USBController::hasMatchingFilter(const ComObjPtr<HostUSBDevice> &aDevice, ULONG *aMaskedIfs)
1062	{
1063	AutoCaller autoCaller(this);
1064	AssertComRCReturn(autoCaller.rc(), false);
1065
1066	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1067
1068	/* Disabled USB controllers cannot actually work with USB devices */
1069	if (!m->bd->fEnabled)
1070	return false;
1071
1072	/* apply self filters */
1073	for (DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
1074	it != m->llDeviceFilters->end();
1075	++ it)
1076	{
1077	AutoWriteLock filterLock(*it COMMA_LOCKVAL_SRC_POS);
1078	if (aDevice->isMatch((*it)->getData()))
1079	{
1080	aMaskedIfs = (it)->getData().mMaskedIfs;
1081	return true;
1082	}
1083	}
1084
1085	return false;
1086	}
1087
1088	/**
1089	* Returns true if the given USB device matches to at least one of
1090	* this controller's USB device filters.
1091	*
1092	* A generic version that accepts any IUSBDevice on input.
1093	*
1094	* @note
1095	* This method MUST correlate with HostUSBDevice::isMatch()
1096	* in the sense of the device matching logic.
1097	*
1098	* @note Locks this object for reading.
1099	*/
1100	bool USBController::hasMatchingFilter(IUSBDevice aUSBDevice, ULONG aMaskedIfs)
1101	{
1102	LogFlowThisFuncEnter();
1103
1104	AutoCaller autoCaller(this);
1105	AssertComRCReturn(autoCaller.rc(), false);
1106
1107	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1108
1109	/* Disabled USB controllers cannot actually work with USB devices */
1110	if (!m->bd->fEnabled)
1111	return false;
1112
1113	HRESULT rc = S_OK;
1114
1115	/* query fields */
1116	USBFILTER dev;
1117	USBFilterInit(&dev, USBFILTERTYPE_CAPTURE);
1118
1119	USHORT vendorId = 0;
1120	rc = aUSBDevice->COMGETTER(VendorId)(&vendorId);
1121	ComAssertComRCRet(rc, false);
1122	ComAssertRet(vendorId, false);
1123	int vrc = USBFilterSetNumExact(&dev, USBFILTERIDX_VENDOR_ID, vendorId, true); AssertRC(vrc);
1124
1125	USHORT productId = 0;
1126	rc = aUSBDevice->COMGETTER(ProductId)(&productId);
1127	ComAssertComRCRet(rc, false);
1128	vrc = USBFilterSetNumExact(&dev, USBFILTERIDX_PRODUCT_ID, productId, true); AssertRC(vrc);
1129
1130	USHORT revision;
1131	rc = aUSBDevice->COMGETTER(Revision)(&revision);
1132	ComAssertComRCRet(rc, false);
1133	vrc = USBFilterSetNumExact(&dev, USBFILTERIDX_DEVICE, revision, true); AssertRC(vrc);
1134
1135	Bstr manufacturer;
1136	rc = aUSBDevice->COMGETTER(Manufacturer)(manufacturer.asOutParam());
1137	ComAssertComRCRet(rc, false);
1138	if (!manufacturer.isEmpty())
1139	USBFilterSetStringExact(&dev, USBFILTERIDX_MANUFACTURER_STR, Utf8Str(manufacturer).c_str(), true);
1140
1141	Bstr product;
1142	rc = aUSBDevice->COMGETTER(Product)(product.asOutParam());
1143	ComAssertComRCRet(rc, false);
1144	if (!product.isEmpty())
1145	USBFilterSetStringExact(&dev, USBFILTERIDX_PRODUCT_STR, Utf8Str(product).c_str(), true);
1146
1147	Bstr serialNumber;
1148	rc = aUSBDevice->COMGETTER(SerialNumber)(serialNumber.asOutParam());
1149	ComAssertComRCRet(rc, false);
1150	if (!serialNumber.isEmpty())
1151	USBFilterSetStringExact(&dev, USBFILTERIDX_SERIAL_NUMBER_STR, Utf8Str(serialNumber).c_str(), true);
1152
1153	Bstr address;
1154	rc = aUSBDevice->COMGETTER(Address)(address.asOutParam());
1155	ComAssertComRCRet(rc, false);
1156
1157	USHORT port = 0;
1158	rc = aUSBDevice->COMGETTER(Port)(&port);
1159	ComAssertComRCRet(rc, false);
1160	USBFilterSetNumExact(&dev, USBFILTERIDX_PORT, port, true);
1161
1162	BOOL remote = FALSE;
1163	rc = aUSBDevice->COMGETTER(Remote)(&remote);
1164	ComAssertComRCRet(rc, false);
1165	ComAssertRet(remote == TRUE, false);
1166
1167	bool match = false;
1168
1169	/* apply self filters */
1170	for (DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
1171	it != m->llDeviceFilters->end();
1172	++ it)
1173	{
1174	AutoWriteLock filterLock(*it COMMA_LOCKVAL_SRC_POS);
1175	const USBDeviceFilter::Data &aData = (*it)->getData();
1176
1177	if (!aData.mActive)
1178	continue;
1179	if (!aData.mRemote.isMatch(remote))
1180	continue;
1181	if (!USBFilterMatch(&aData.mUSBFilter, &dev))
1182	continue;
1183
1184	match = true;
1185	*aMaskedIfs = aData.mMaskedIfs;
1186	break;
1187	}
1188
1189	LogFlowThisFunc(("returns: %d\n", match));
1190	LogFlowThisFuncLeave();
1191
1192	return match;
1193	}
1194
1195	/**
1196	* Notifies the proxy service about all filters as requested by the
1197	* @a aInsertFilters argument.
1198	*
1199	* @param aInsertFilters @c true to insert filters, @c false to remove.
1200	*
1201	* @note Locks this object for reading.
1202	*/
1203	HRESULT USBController::notifyProxy(bool aInsertFilters)
1204	{
1205	LogFlowThisFunc(("aInsertFilters=%RTbool\n", aInsertFilters));
1206
1207	AutoCaller autoCaller(this);
1208	AssertComRCReturn(autoCaller.rc(), false);
1209
1210	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1211
1212	USBProxyService *service = m->pHost->usbProxyService();
1213	AssertReturn(service, E_FAIL);
1214
1215	DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
1216	while (it != m->llDeviceFilters->end())
1217	{
1218	USBDeviceFilter flt = it; /* resolve ambiguity (for ComPtr below) */
1219
1220	/* notify the proxy (only if the filter is active) */
1221	if (flt->getData().mActive
1222	&& flt->getData().mRemote.isMatch(false) /* and if the filter is NOT remote */
1223	)
1224	{
1225	if (aInsertFilters)
1226	{
1227	AssertReturn(flt->getId() == NULL, E_FAIL);
1228	flt->getId() = service->insertFilter(&flt->getData().mUSBFilter);
1229	}
1230	else
1231	{
1232	/* It's possible that the given filter was not inserted the proxy
1233	* when this method gets called (as a result of an early VM
1234	* process crash for example. So, don't assert that ID != NULL. */
1235	if (flt->getId() != NULL)
1236	{
1237	service->removeFilter(flt->getId());
1238	flt->getId() = NULL;
1239	}
1240	}
1241	}
1242	++ it;
1243	}
1244
1245	return S_OK;
1246	}
1247
1248	Machine* USBController::getMachine()
1249	{
1250	return m->pParent;
1251	}
1252
1253	#endif /* VBOX_WITH_USB */
1254
1255	// private methods
1256	/////////////////////////////////////////////////////////////////////////////
1257	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/src-server/USBControllerImpl.cpp@ 41184

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