USBControllerImpl.cpp@ 30935

Last change on this file since 30935 was 30856, checked in by vboxsync, 14 years ago
OSE build fixes
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 35.8 KB

Line
1	/* $Id: USBControllerImpl.cpp 30856 2010-07-14 18:50:49Z vboxsync $ */
2	/** @file
3	* Implementation of IUSBController.
4	*/
5
6	/*
7	* Copyright (C) 2006-2007 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()
62	: pParent(NULL)
63	{};
64
65	~Data()
66	{};
67
68	/** Parent object. */
69	Machine * const pParent;
70	/** Peer object. */
71	const ComObjPtr<USBController> pPeer;
72
73	Backupable<BackupableUSBData> bd;
74	#ifdef VBOX_WITH_USB
75	// the following fields need special backup/rollback/commit handling,
76	// so they cannot be a part of BackupableData
77	Backupable<DeviceFilterList> llDeviceFilters;
78	#endif
79	};
80
81
82
83	// constructor / destructor
84	/////////////////////////////////////////////////////////////////////////////
85
86	DEFINE_EMPTY_CTOR_DTOR (USBController)
87
88	HRESULT USBController::FinalConstruct()
89	{
90	return S_OK;
91	}
92
93	void USBController::FinalRelease()
94	{
95	uninit();
96	}
97
98	// public initializer/uninitializer for internal purposes only
99	/////////////////////////////////////////////////////////////////////////////
100
101	/**
102	* Initializes the USB controller object.
103	*
104	* @returns COM result indicator.
105	* @param aParent Pointer to our parent object.
106	*/
107	HRESULT USBController::init(Machine *aParent)
108	{
109	LogFlowThisFunc(("aParent=%p\n", aParent));
110
111	ComAssertRet(aParent, E_INVALIDARG);
112
113	/* Enclose the state transition NotReady->InInit->Ready */
114	AutoInitSpan autoInitSpan(this);
115	AssertReturn(autoInitSpan.isOk(), E_FAIL);
116
117	m = new Data();
118
119	unconst(m->pParent) = aParent;
120	/* mPeer is left null */
121
122	m->bd.allocate();
123	#ifdef VBOX_WITH_USB
124	m->llDeviceFilters.allocate();
125	#endif
126
127	/* Confirm a successful initialization */
128	autoInitSpan.setSucceeded();
129
130	return S_OK;
131	}
132
133	/**
134	* Initializes the USB controller object given another USB controller object
135	* (a kind of copy constructor). This object shares data with
136	* the object passed as an argument.
137	*
138	* @returns COM result indicator.
139	* @param aParent Pointer to our parent object.
140	* @param aPeer The object to share.
141	*
142	* @note This object must be destroyed before the original object
143	* it shares data with is destroyed.
144	*/
145	HRESULT USBController::init(Machine aParent, USBController aPeer)
146	{
147	LogFlowThisFunc(("aParent=%p, aPeer=%p\n", aParent, aPeer));
148
149	ComAssertRet(aParent && aPeer, E_INVALIDARG);
150
151	/* Enclose the state transition NotReady->InInit->Ready */
152	AutoInitSpan autoInitSpan(this);
153	AssertReturn(autoInitSpan.isOk(), E_FAIL);
154
155	m = new Data();
156
157	unconst(m->pParent) = aParent;
158	unconst(m->pPeer) = aPeer;
159
160	AutoWriteLock thatlock(aPeer COMMA_LOCKVAL_SRC_POS);
161	m->bd.share(aPeer->m->bd);
162
163	#ifdef VBOX_WITH_USB
164	/* create copies of all filters */
165	m->llDeviceFilters.allocate();
166	DeviceFilterList::const_iterator it = aPeer->m->llDeviceFilters->begin();
167	while (it != aPeer->m->llDeviceFilters->end())
168	{
169	ComObjPtr<USBDeviceFilter> filter;
170	filter.createObject();
171	filter->init(this, *it);
172	m->llDeviceFilters->push_back(filter);
173	++ it;
174	}
175	#endif /* VBOX_WITH_USB */
176
177	/* Confirm a successful initialization */
178	autoInitSpan.setSucceeded();
179
180	return S_OK;
181	}
182
183
184	/**
185	* Initializes the USB controller object given another guest object
186	* (a kind of copy constructor). This object makes a private copy of data
187	* of the original object passed as an argument.
188	*/
189	HRESULT USBController::initCopy(Machine aParent, USBController aPeer)
190	{
191	LogFlowThisFunc(("aParent=%p, aPeer=%p\n", aParent, aPeer));
192
193	ComAssertRet(aParent && aPeer, E_INVALIDARG);
194
195	/* Enclose the state transition NotReady->InInit->Ready */
196	AutoInitSpan autoInitSpan(this);
197	AssertReturn(autoInitSpan.isOk(), E_FAIL);
198
199	m = new Data();
200
201	unconst(m->pParent) = aParent;
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	COM_INTERFACE_ENTRY(ISupportErrorInfo)
402	COM_INTERFACE_ENTRY(IUSBDeviceFilter)
403	END_COM_MAP()
404
405	DECLARE_EMPTY_CTOR_DTOR (USBDeviceFilter)
406
407	// IUSBDeviceFilter properties
408	STDMETHOD(COMGETTER(Name)) (BSTR *aName);
409	STDMETHOD(COMSETTER(Name)) (IN_BSTR aName);
410	STDMETHOD(COMGETTER(Active)) (BOOL *aActive);
411	STDMETHOD(COMSETTER(Active)) (BOOL aActive);
412	STDMETHOD(COMGETTER(VendorId)) (BSTR *aVendorId);
413	STDMETHOD(COMSETTER(VendorId)) (IN_BSTR aVendorId);
414	STDMETHOD(COMGETTER(ProductId)) (BSTR *aProductId);
415	STDMETHOD(COMSETTER(ProductId)) (IN_BSTR aProductId);
416	STDMETHOD(COMGETTER(Revision)) (BSTR *aRevision);
417	STDMETHOD(COMSETTER(Revision)) (IN_BSTR aRevision);
418	STDMETHOD(COMGETTER(Manufacturer)) (BSTR *aManufacturer);
419	STDMETHOD(COMSETTER(Manufacturer)) (IN_BSTR aManufacturer);
420	STDMETHOD(COMGETTER(Product)) (BSTR *aProduct);
421	STDMETHOD(COMSETTER(Product)) (IN_BSTR aProduct);
422	STDMETHOD(COMGETTER(SerialNumber)) (BSTR *aSerialNumber);
423	STDMETHOD(COMSETTER(SerialNumber)) (IN_BSTR aSerialNumber);
424	STDMETHOD(COMGETTER(Port)) (BSTR *aPort);
425	STDMETHOD(COMSETTER(Port)) (IN_BSTR aPort);
426	STDMETHOD(COMGETTER(Remote)) (BSTR *aRemote);
427	STDMETHOD(COMSETTER(Remote)) (IN_BSTR aRemote);
428	STDMETHOD(COMGETTER(MaskedInterfaces)) (ULONG *aMaskedIfs);
429	STDMETHOD(COMSETTER(MaskedInterfaces)) (ULONG aMaskedIfs);
430	};
431	#endif /* !VBOX_WITH_USB */
432
433
434	STDMETHODIMP USBController::COMGETTER(DeviceFilters) (ComSafeArrayOut(IUSBDeviceFilter *, aDevicesFilters))
435	{
436	#ifdef VBOX_WITH_USB
437	CheckComArgOutSafeArrayPointerValid(aDevicesFilters);
438
439	AutoCaller autoCaller(this);
440	if (FAILED(autoCaller.rc())) return autoCaller.rc();
441
442	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
443
444	SafeIfaceArray<IUSBDeviceFilter> collection (*m->llDeviceFilters.data());
445	collection.detachTo(ComSafeArrayOutArg(aDevicesFilters));
446
447	return S_OK;
448	#else
449	NOREF(aDevicesFilters);
450	# ifndef RT_OS_WINDOWS
451	NOREF(aDevicesFiltersSize);
452	# endif
453	ReturnComNotImplemented();
454	#endif
455	}
456
457	// IUSBController methods
458	/////////////////////////////////////////////////////////////////////////////
459
460	STDMETHODIMP USBController::CreateDeviceFilter (IN_BSTR aName,
461	IUSBDeviceFilter **aFilter)
462	{
463	#ifdef VBOX_WITH_USB
464	CheckComArgOutPointerValid(aFilter);
465
466	CheckComArgStrNotEmptyOrNull(aName);
467
468	AutoCaller autoCaller(this);
469	if (FAILED(autoCaller.rc())) return autoCaller.rc();
470
471	/* the machine needs to be mutable */
472	AutoMutableStateDependency adep(m->pParent);
473	if (FAILED(adep.rc())) return adep.rc();
474
475	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
476
477	ComObjPtr<USBDeviceFilter> filter;
478	filter.createObject();
479	HRESULT rc = filter->init (this, aName);
480	ComAssertComRCRetRC (rc);
481	rc = filter.queryInterfaceTo(aFilter);
482	AssertComRCReturnRC(rc);
483
484	return S_OK;
485	#else
486	NOREF(aName);
487	NOREF(aFilter);
488	ReturnComNotImplemented();
489	#endif
490	}
491
492	STDMETHODIMP USBController::InsertDeviceFilter(ULONG aPosition,
493	IUSBDeviceFilter *aFilter)
494	{
495	#ifdef VBOX_WITH_USB
496
497	CheckComArgNotNull(aFilter);
498
499	AutoCaller autoCaller(this);
500	if (FAILED(autoCaller.rc())) return autoCaller.rc();
501
502	/* the machine needs to be mutable */
503	AutoMutableStateDependency adep(m->pParent);
504	if (FAILED(adep.rc())) return adep.rc();
505
506	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
507
508	ComObjPtr<USBDeviceFilter> filter = static_cast<USBDeviceFilter*>(aFilter);
509	// @todo r=dj make sure the input object is actually from us
510	// ComObjPtr<USBDeviceFilter> filter = getDependentChild(aFilter);
511	// if (!filter)
512	// return setError (E_INVALIDARG,
513	// tr ("The given USB device filter is not created within "
514	// "this VirtualBox instance"));
515
516	if (filter->mInList)
517	return setError(VBOX_E_INVALID_OBJECT_STATE,
518	tr("The given USB device filter is already in the list"));
519
520	/* backup the list before modification */
521	m->llDeviceFilters.backup();
522
523	/* iterate to the position... */
524	DeviceFilterList::iterator it;
525	if (aPosition < m->llDeviceFilters->size())
526	{
527	it = m->llDeviceFilters->begin();
528	std::advance (it, aPosition);
529	}
530	else
531	it = m->llDeviceFilters->end();
532	/* ...and insert */
533	m->llDeviceFilters->insert (it, filter);
534	filter->mInList = true;
535
536	/* notify the proxy (only when it makes sense) */
537	if (filter->getData().mActive && Global::IsOnline(adep.machineState()))
538	{
539	USBProxyService *service = m->pParent->getVirtualBox()->host()->usbProxyService();
540	ComAssertRet(service, E_FAIL);
541
542	ComAssertRet(filter->getId() == NULL, E_FAIL);
543	filter->getId() = service->insertFilter (&filter->getData().mUSBFilter);
544	}
545
546	alock.release();
547	AutoWriteLock mlock(m->pParent COMMA_LOCKVAL_SRC_POS);
548	m->pParent->setModified(Machine::IsModified_USB);
549	mlock.release();
550
551	return S_OK;
552
553	#else /* VBOX_WITH_USB */
554
555	NOREF(aPosition);
556	NOREF(aFilter);
557	ReturnComNotImplemented();
558
559	#endif /* VBOX_WITH_USB */
560	}
561
562	STDMETHODIMP USBController::RemoveDeviceFilter(ULONG aPosition,
563	IUSBDeviceFilter **aFilter)
564	{
565	#ifdef VBOX_WITH_USB
566
567	CheckComArgOutPointerValid(aFilter);
568
569	AutoCaller autoCaller(this);
570	if (FAILED(autoCaller.rc())) return autoCaller.rc();
571
572	/* the machine needs to be mutable */
573	AutoMutableStateDependency adep(m->pParent);
574	if (FAILED(adep.rc())) return adep.rc();
575
576	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
577
578	if (!m->llDeviceFilters->size())
579	return setError(E_INVALIDARG,
580	tr("The USB device filter list is empty"));
581
582	if (aPosition >= m->llDeviceFilters->size())
583	return setError(E_INVALIDARG,
584	tr("Invalid position: %lu (must be in range [0, %lu])"),
585	aPosition, m->llDeviceFilters->size() - 1);
586
587	/* backup the list before modification */
588	m->llDeviceFilters.backup();
589
590	ComObjPtr<USBDeviceFilter> filter;
591	{
592	/* iterate to the position... */
593	DeviceFilterList::iterator it = m->llDeviceFilters->begin();
594	std::advance (it, aPosition);
595	/* ...get an element from there... */
596	filter = *it;
597	/* ...and remove */
598	filter->mInList = false;
599	m->llDeviceFilters->erase (it);
600	}
601
602	/* cancel sharing (make an independent copy of data) */
603	filter->unshare();
604
605	filter.queryInterfaceTo(aFilter);
606
607	/* notify the proxy (only when it makes sense) */
608	if (filter->getData().mActive && Global::IsOnline(adep.machineState()))
609	{
610	USBProxyService *service = m->pParent->getVirtualBox()->host()->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->pParent->getVirtualBox()->host()->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	{
773	USBDeviceFilter filter = it;
774	Assert(filter->getId() != NULL);
775	service->removeFilter(filter->getId());
776	filter->getId() = NULL;
777	}
778
779	(*it)->uninit();
780	}
781	++ it;
782	}
783
784	if (Global::IsOnline (adep.machineState()))
785	{
786	/* find all removed old filters (absent in the new list)
787	* and insert them back to the USB proxy */
788	it = backedList->begin();
789	while (it != backedList->end())
790	{
791	if (std::find (m->llDeviceFilters->begin(), m->llDeviceFilters->end(), *it) ==
792	m->llDeviceFilters->end())
793	{
794	/* notify the proxy (only when necessary) */
795	if ((*it)->getData().mActive)
796	{
797	USBDeviceFilter flt = it; /* resolve ambiguity */
798	Assert(flt->getId() == NULL);
799	flt->getId() = service->insertFilter(&flt->getData().mUSBFilter);
800	}
801	}
802	++ it;
803	}
804	}
805
806	/* restore the list */
807	m->llDeviceFilters.rollback();
808	}
809
810	/* here we don't depend on the machine state any more */
811	adep.release();
812
813	/* rollback any changes to filters after restoring the list */
814	DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
815	while (it != m->llDeviceFilters->end())
816	{
817	if ((*it)->isModified())
818	{
819	(*it)->rollback();
820	/* call this to notify the USB proxy about changes */
821	onDeviceFilterChange(*it);
822	}
823	++it;
824	}
825
826	#endif /* VBOX_WITH_USB */
827	}
828
829	/**
830	* @note Locks this object for writing, together with the peer object (also
831	* for writing) if there is one.
832	*/
833	void USBController::commit()
834	{
835	/* sanity */
836	AutoCaller autoCaller(this);
837	AssertComRCReturnVoid (autoCaller.rc());
838
839	/* sanity too */
840	AutoCaller peerCaller(m->pPeer);
841	AssertComRCReturnVoid (peerCaller.rc());
842
843	/* lock both for writing since we modify both (mPeer is "master" so locked
844	* first) */
845	AutoMultiWriteLock2 alock(m->pPeer, this COMMA_LOCKVAL_SRC_POS);
846
847	if (m->bd.isBackedUp())
848	{
849	m->bd.commit();
850	if (m->pPeer)
851	{
852	/* attach new data to the peer and reshare it */
853	AutoWriteLock peerlock(m->pPeer COMMA_LOCKVAL_SRC_POS);
854	m->pPeer->m->bd.attach(m->bd);
855	}
856	}
857
858	#ifdef VBOX_WITH_USB
859	bool commitFilters = false;
860
861	if (m->llDeviceFilters.isBackedUp())
862	{
863	m->llDeviceFilters.commit();
864
865	/* apply changes to peer */
866	if (m->pPeer)
867	{
868	AutoWriteLock peerlock(m->pPeer COMMA_LOCKVAL_SRC_POS);
869
870	/* commit all changes to new filters (this will reshare data with
871	* peers for those who have peers) */
872	DeviceFilterList *newList = new DeviceFilterList();
873	DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
874	while (it != m->llDeviceFilters->end())
875	{
876	(*it)->commit();
877
878	/* look if this filter has a peer filter */
879	ComObjPtr<USBDeviceFilter> peer = (*it)->peer();
880	if (!peer)
881	{
882	/* no peer means the filter is a newly created one;
883	* create a peer owning data this filter share it with */
884	peer.createObject();
885	peer->init(m->pPeer, it, true / aReshare */);
886	}
887	else
888	{
889	/* remove peer from the old list */
890	m->pPeer->m->llDeviceFilters->remove(peer);
891	}
892	/* and add it to the new list */
893	newList->push_back (peer);
894
895	++ it;
896	}
897
898	/* uninit old peer's filters that are left */
899	it = m->pPeer->m->llDeviceFilters->begin();
900	while (it != m->pPeer->m->llDeviceFilters->end())
901	{
902	(*it)->uninit();
903	++ it;
904	}
905
906	/* attach new list of filters to our peer */
907	m->pPeer->m->llDeviceFilters.attach(newList);
908	}
909	else
910	{
911	/* we have no peer (our parent is the newly created machine);
912	* just commit changes to filters */
913	commitFilters = true;
914	}
915	}
916	else
917	{
918	/* the list of filters itself is not changed,
919	* just commit changes to filters themselves */
920	commitFilters = true;
921	}
922
923	if (commitFilters)
924	{
925	DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
926	while (it != m->llDeviceFilters->end())
927	{
928	(*it)->commit();
929	++ it;
930	}
931	}
932	#endif /* VBOX_WITH_USB */
933	}
934
935	/**
936	* @note Locks this object for writing, together with the peer object
937	* represented by @a aThat (locked for reading).
938	*/
939	void USBController::copyFrom (USBController *aThat)
940	{
941	AssertReturnVoid (aThat != NULL);
942
943	/* sanity */
944	AutoCaller autoCaller(this);
945	AssertComRCReturnVoid (autoCaller.rc());
946
947	/* sanity too */
948	AutoCaller thatCaller (aThat);
949	AssertComRCReturnVoid (thatCaller.rc());
950
951	/* even more sanity */
952	AutoAnyStateDependency adep(m->pParent);
953	AssertComRCReturnVoid (adep.rc());
954	/* Machine::copyFrom() may not be called when the VM is running */
955	AssertReturnVoid (!Global::IsOnline (adep.machineState()));
956
957	/* peer is not modified, lock it for reading (aThat is "master" so locked
958	* first) */
959	AutoReadLock rl(aThat COMMA_LOCKVAL_SRC_POS);
960	AutoWriteLock wl(this COMMA_LOCKVAL_SRC_POS);
961
962	/* this will back up current data */
963	m->bd.assignCopy(aThat->m->bd);
964
965	#ifdef VBOX_WITH_USB
966
967	/* Note that we won't inform the USB proxy about new filters since the VM is
968	* not running when we are here and therefore no need to do so */
969
970	/* create private copies of all filters */
971	m->llDeviceFilters.backup();
972	m->llDeviceFilters->clear();
973	for (DeviceFilterList::const_iterator it = aThat->m->llDeviceFilters->begin();
974	it != aThat->m->llDeviceFilters->end();
975	++ it)
976	{
977	ComObjPtr<USBDeviceFilter> filter;
978	filter.createObject();
979	filter->initCopy (this, *it);
980	m->llDeviceFilters->push_back (filter);
981	}
982
983	#endif /* VBOX_WITH_USB */
984	}
985
986	#ifdef VBOX_WITH_USB
987
988	/**
989	* Called by setter methods of all USB device filters.
990	*
991	* @note Locks nothing.
992	*/
993	HRESULT USBController::onDeviceFilterChange (USBDeviceFilter *aFilter,
994	BOOL aActiveChanged /* = FALSE */)
995	{
996	AutoCaller autoCaller(this);
997	AssertComRCReturnRC(autoCaller.rc());
998
999	/* we need the machine state */
1000	AutoAnyStateDependency adep(m->pParent);
1001	AssertComRCReturnRC(adep.rc());
1002
1003	/* nothing to do if the machine isn't running */
1004	if (!Global::IsOnline (adep.machineState()))
1005	return S_OK;
1006
1007	/* we don't modify our data fields -- no need to lock */
1008
1009	if (aFilter->mInList && m->pParent->isRegistered())
1010	{
1011	USBProxyService *service = m->pParent->getVirtualBox()->host()->usbProxyService();
1012	ComAssertRet(service, E_FAIL);
1013
1014	if (aActiveChanged)
1015	{
1016	/* insert/remove the filter from the proxy */
1017	if (aFilter->getData().mActive)
1018	{
1019	ComAssertRet(aFilter->getId() == NULL, E_FAIL);
1020	aFilter->getId() = service->insertFilter(&aFilter->getData().mUSBFilter);
1021	}
1022	else
1023	{
1024	ComAssertRet(aFilter->getId() != NULL, E_FAIL);
1025	service->removeFilter(aFilter->getId());
1026	aFilter->getId() = NULL;
1027	}
1028	}
1029	else
1030	{
1031	if (aFilter->getData().mActive)
1032	{
1033	/* update the filter in the proxy */
1034	ComAssertRet(aFilter->getId() != NULL, E_FAIL);
1035	service->removeFilter(aFilter->getId());
1036	aFilter->getId() = service->insertFilter(&aFilter->getData().mUSBFilter);
1037	}
1038	}
1039	}
1040
1041	return S_OK;
1042	}
1043
1044	/**
1045	* Returns true if the given USB device matches to at least one of
1046	* this controller's USB device filters.
1047	*
1048	* A HostUSBDevice specific version.
1049	*
1050	* @note Locks this object for reading.
1051	*/
1052	bool USBController::hasMatchingFilter (const ComObjPtr<HostUSBDevice> &aDevice, ULONG *aMaskedIfs)
1053	{
1054	AutoCaller autoCaller(this);
1055	AssertComRCReturn (autoCaller.rc(), false);
1056
1057	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1058
1059	/* Disabled USB controllers cannot actually work with USB devices */
1060	if (!m->bd->fEnabled)
1061	return false;
1062
1063	/* apply self filters */
1064	for (DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
1065	it != m->llDeviceFilters->end();
1066	++ it)
1067	{
1068	AutoWriteLock filterLock(*it COMMA_LOCKVAL_SRC_POS);
1069	if (aDevice->isMatch((*it)->getData()))
1070	{
1071	aMaskedIfs = (it)->getData().mMaskedIfs;
1072	return true;
1073	}
1074	}
1075
1076	return false;
1077	}
1078
1079	/**
1080	* Returns true if the given USB device matches to at least one of
1081	* this controller's USB device filters.
1082	*
1083	* A generic version that accepts any IUSBDevice on input.
1084	*
1085	* @note
1086	* This method MUST correlate with HostUSBDevice::isMatch()
1087	* in the sense of the device matching logic.
1088	*
1089	* @note Locks this object for reading.
1090	*/
1091	bool USBController::hasMatchingFilter (IUSBDevice aUSBDevice, ULONG aMaskedIfs)
1092	{
1093	LogFlowThisFuncEnter();
1094
1095	AutoCaller autoCaller(this);
1096	AssertComRCReturn (autoCaller.rc(), false);
1097
1098	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1099
1100	/* Disabled USB controllers cannot actually work with USB devices */
1101	if (!m->bd->fEnabled)
1102	return false;
1103
1104	HRESULT rc = S_OK;
1105
1106	/* query fields */
1107	USBFILTER dev;
1108	USBFilterInit (&dev, USBFILTERTYPE_CAPTURE);
1109
1110	USHORT vendorId = 0;
1111	rc = aUSBDevice->COMGETTER(VendorId) (&vendorId);
1112	ComAssertComRCRet(rc, false);
1113	ComAssertRet(vendorId, false);
1114	int vrc = USBFilterSetNumExact (&dev, USBFILTERIDX_VENDOR_ID, vendorId, true); AssertRC(vrc);
1115
1116	USHORT productId = 0;
1117	rc = aUSBDevice->COMGETTER(ProductId) (&productId);
1118	ComAssertComRCRet(rc, false);
1119	vrc = USBFilterSetNumExact (&dev, USBFILTERIDX_PRODUCT_ID, productId, true); AssertRC(vrc);
1120
1121	USHORT revision;
1122	rc = aUSBDevice->COMGETTER(Revision) (&revision);
1123	ComAssertComRCRet(rc, false);
1124	vrc = USBFilterSetNumExact (&dev, USBFILTERIDX_DEVICE, revision, true); AssertRC(vrc);
1125
1126	Bstr manufacturer;
1127	rc = aUSBDevice->COMGETTER(Manufacturer) (manufacturer.asOutParam());
1128	ComAssertComRCRet(rc, false);
1129	if (!manufacturer.isEmpty())
1130	USBFilterSetStringExact (&dev, USBFILTERIDX_MANUFACTURER_STR, Utf8Str(manufacturer).c_str(), true);
1131
1132	Bstr product;
1133	rc = aUSBDevice->COMGETTER(Product) (product.asOutParam());
1134	ComAssertComRCRet(rc, false);
1135	if (!product.isEmpty())
1136	USBFilterSetStringExact (&dev, USBFILTERIDX_PRODUCT_STR, Utf8Str(product).c_str(), true);
1137
1138	Bstr serialNumber;
1139	rc = aUSBDevice->COMGETTER(SerialNumber) (serialNumber.asOutParam());
1140	ComAssertComRCRet(rc, false);
1141	if (!serialNumber.isEmpty())
1142	USBFilterSetStringExact (&dev, USBFILTERIDX_SERIAL_NUMBER_STR, Utf8Str(serialNumber).c_str(), true);
1143
1144	Bstr address;
1145	rc = aUSBDevice->COMGETTER(Address) (address.asOutParam());
1146	ComAssertComRCRet(rc, false);
1147
1148	USHORT port = 0;
1149	rc = aUSBDevice->COMGETTER(Port)(&port);
1150	ComAssertComRCRet(rc, false);
1151	USBFilterSetNumExact (&dev, USBFILTERIDX_PORT, port, true);
1152
1153	BOOL remote = FALSE;
1154	rc = aUSBDevice->COMGETTER(Remote)(&remote);
1155	ComAssertComRCRet(rc, false);
1156	ComAssertRet(remote == TRUE, false);
1157
1158	bool match = false;
1159
1160	/* apply self filters */
1161	for (DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
1162	it != m->llDeviceFilters->end();
1163	++ it)
1164	{
1165	AutoWriteLock filterLock(*it COMMA_LOCKVAL_SRC_POS);
1166	const USBDeviceFilter::Data &aData = (*it)->getData();
1167
1168	if (!aData.mActive)
1169	continue;
1170	if (!aData.mRemote.isMatch (remote))
1171	continue;
1172	if (!USBFilterMatch (&aData.mUSBFilter, &dev))
1173	continue;
1174
1175	match = true;
1176	*aMaskedIfs = aData.mMaskedIfs;
1177	break;
1178	}
1179
1180	LogFlowThisFunc(("returns: %d\n", match));
1181	LogFlowThisFuncLeave();
1182
1183	return match;
1184	}
1185
1186	/**
1187	* Notifies the proxy service about all filters as requested by the
1188	* @a aInsertFilters argument.
1189	*
1190	* @param aInsertFilters @c true to insert filters, @c false to remove.
1191	*
1192	* @note Locks this object for reading.
1193	*/
1194	HRESULT USBController::notifyProxy (bool aInsertFilters)
1195	{
1196	LogFlowThisFunc(("aInsertFilters=%RTbool\n", aInsertFilters));
1197
1198	AutoCaller autoCaller(this);
1199	AssertComRCReturn (autoCaller.rc(), false);
1200
1201	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1202
1203	USBProxyService *service = m->pParent->getVirtualBox()->host()->usbProxyService();
1204	AssertReturn(service, E_FAIL);
1205
1206	DeviceFilterList::const_iterator it = m->llDeviceFilters->begin();
1207	while (it != m->llDeviceFilters->end())
1208	{
1209	USBDeviceFilter flt = it; /* resolve ambiguity (for ComPtr below) */
1210
1211	/* notify the proxy (only if the filter is active) */
1212	if (flt->getData().mActive)
1213	{
1214	if (aInsertFilters)
1215	{
1216	AssertReturn(flt->getId() == NULL, E_FAIL);
1217	flt->getId() = service->insertFilter(&flt->getData().mUSBFilter);
1218	}
1219	else
1220	{
1221	/* It's possible that the given filter was not inserted the proxy
1222	* when this method gets called (as a result of an early VM
1223	* process crash for example. So, don't assert that ID != NULL. */
1224	if (flt->getId() != NULL)
1225	{
1226	service->removeFilter(flt->getId());
1227	flt->getId() = NULL;
1228	}
1229	}
1230	}
1231	++ it;
1232	}
1233
1234	return S_OK;
1235	}
1236
1237	Machine* USBController::getMachine()
1238	{
1239	return m->pParent;
1240	}
1241
1242	#endif /* VBOX_WITH_USB */
1243
1244	// private methods
1245	/////////////////////////////////////////////////////////////////////////////
1246	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

Note: See TracBrowser for help on using the repository browser.

source: vbox/trunk/src/VBox/Main/USBControllerImpl.cpp@ 30935

Download in other formats: