GuestImpl.cpp@ 29620

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1	/* $Id: GuestImpl.cpp 29620 2010-05-18 12:15:55Z vboxsync $ */
2
3	/** @file
4	*
5	* VirtualBox COM class implementation
6	*/
7
8	/*
9	* Copyright (C) 2006-2008 Oracle Corporation
10	*
11	* This file is part of VirtualBox Open Source Edition (OSE), as
12	* available from http://www.virtualbox.org. This file is free software;
13	* you can redistribute it and/or modify it under the terms of the GNU
14	* General Public License (GPL) as published by the Free Software
15	* Foundation, in version 2 as it comes in the "COPYING" file of the
16	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
17	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
18	*/
19
20	#include "GuestImpl.h"
21
22	#include "Global.h"
23	#include "ConsoleImpl.h"
24	#include "ProgressImpl.h"
25	#include "VMMDev.h"
26
27	#include "AutoCaller.h"
28	#include "Logging.h"
29
30	#include <VBox/VMMDev.h>
31	#ifdef VBOX_WITH_GUEST_CONTROL
32	# include <VBox/com/array.h>
33	#endif
34	#include <iprt/cpp/utils.h>
35	#include <iprt/getopt.h>
36	#include <VBox/pgm.h>
37
38	// defines
39	/////////////////////////////////////////////////////////////////////////////
40
41	// constructor / destructor
42	/////////////////////////////////////////////////////////////////////////////
43
44	DEFINE_EMPTY_CTOR_DTOR (Guest)
45
46	HRESULT Guest::FinalConstruct()
47	{
48	return S_OK;
49	}
50
51	void Guest::FinalRelease()
52	{
53	uninit ();
54	}
55
56	// public methods only for internal purposes
57	/////////////////////////////////////////////////////////////////////////////
58
59	/**
60	* Initializes the guest object.
61	*/
62	HRESULT Guest::init (Console *aParent)
63	{
64	LogFlowThisFunc(("aParent=%p\n", aParent));
65
66	ComAssertRet(aParent, E_INVALIDARG);
67
68	/* Enclose the state transition NotReady->InInit->Ready */
69	AutoInitSpan autoInitSpan(this);
70	AssertReturn(autoInitSpan.isOk(), E_FAIL);
71
72	unconst(mParent) = aParent;
73
74	/* mData.mAdditionsActive is FALSE */
75
76	/* Confirm a successful initialization when it's the case */
77	autoInitSpan.setSucceeded();
78
79	ULONG aMemoryBalloonSize;
80	HRESULT ret = mParent->machine()->COMGETTER(MemoryBalloonSize)(&aMemoryBalloonSize);
81	if (ret == S_OK)
82	mMemoryBalloonSize = aMemoryBalloonSize;
83	else
84	mMemoryBalloonSize = 0; /* Default is no ballooning */
85
86	BOOL fPageFusionEnabled;
87	ret = mParent->machine()->COMGETTER(PageFusionEnabled)(&fPageFusionEnabled);
88	if (ret == S_OK)
89	mfPageFusionEnabled = fPageFusionEnabled;
90	else
91	mfPageFusionEnabled = false; /* Default is no page fusion*/
92
93	mStatUpdateInterval = 0; /* Default is not to report guest statistics at all */
94
95	/* Clear statistics. */
96	for (unsigned i = 0 ; i < GUESTSTATTYPE_MAX; i++)
97	mCurrentGuestStat[i] = 0;
98
99	#ifdef VBOX_WITH_GUEST_CONTROL
100	/* Init the context ID counter at 1000. */
101	mNextContextID = 1000;
102	#endif
103
104	return S_OK;
105	}
106
107	/**
108	* Uninitializes the instance and sets the ready flag to FALSE.
109	* Called either from FinalRelease() or by the parent when it gets destroyed.
110	*/
111	void Guest::uninit()
112	{
113	LogFlowThisFunc(("\n"));
114
115	#ifdef VBOX_WITH_GUEST_CONTROL
116	/*
117	* Cleanup must be done before AutoUninitSpan to cancel all
118	* all outstanding waits in API functions (which hold AutoCaller
119	* ref counts).
120	*/
121	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
122
123	/* Clean up callback data. */
124	CallbackListIter it;
125	for (it = mCallbackList.begin(); it != mCallbackList.end(); it++)
126	destroyCtrlCallbackContext(it);
127
128	/* Clear process list. */
129	mGuestProcessList.clear();
130	#endif
131
132	/* Enclose the state transition Ready->InUninit->NotReady */
133	AutoUninitSpan autoUninitSpan(this);
134	if (autoUninitSpan.uninitDone())
135	return;
136
137	unconst(mParent) = NULL;
138	}
139
140	// IGuest properties
141	/////////////////////////////////////////////////////////////////////////////
142
143	STDMETHODIMP Guest::COMGETTER(OSTypeId) (BSTR *aOSTypeId)
144	{
145	CheckComArgOutPointerValid(aOSTypeId);
146
147	AutoCaller autoCaller(this);
148	if (FAILED(autoCaller.rc())) return autoCaller.rc();
149
150	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
151
152	// redirect the call to IMachine if no additions are installed
153	if (mData.mAdditionsVersion.isEmpty())
154	return mParent->machine()->COMGETTER(OSTypeId)(aOSTypeId);
155
156	mData.mOSTypeId.cloneTo(aOSTypeId);
157
158	return S_OK;
159	}
160
161	STDMETHODIMP Guest::COMGETTER(AdditionsActive) (BOOL *aAdditionsActive)
162	{
163	CheckComArgOutPointerValid(aAdditionsActive);
164
165	AutoCaller autoCaller(this);
166	if (FAILED(autoCaller.rc())) return autoCaller.rc();
167
168	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
169
170	*aAdditionsActive = mData.mAdditionsActive;
171
172	return S_OK;
173	}
174
175	STDMETHODIMP Guest::COMGETTER(AdditionsVersion) (BSTR *aAdditionsVersion)
176	{
177	CheckComArgOutPointerValid(aAdditionsVersion);
178
179	AutoCaller autoCaller(this);
180	if (FAILED(autoCaller.rc())) return autoCaller.rc();
181
182	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
183
184	mData.mAdditionsVersion.cloneTo(aAdditionsVersion);
185
186	return S_OK;
187	}
188
189	STDMETHODIMP Guest::COMGETTER(SupportsSeamless) (BOOL *aSupportsSeamless)
190	{
191	CheckComArgOutPointerValid(aSupportsSeamless);
192
193	AutoCaller autoCaller(this);
194	if (FAILED(autoCaller.rc())) return autoCaller.rc();
195
196	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
197
198	*aSupportsSeamless = mData.mSupportsSeamless;
199
200	return S_OK;
201	}
202
203	STDMETHODIMP Guest::COMGETTER(SupportsGraphics) (BOOL *aSupportsGraphics)
204	{
205	CheckComArgOutPointerValid(aSupportsGraphics);
206
207	AutoCaller autoCaller(this);
208	if (FAILED(autoCaller.rc())) return autoCaller.rc();
209
210	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
211
212	*aSupportsGraphics = mData.mSupportsGraphics;
213
214	return S_OK;
215	}
216
217	STDMETHODIMP Guest::COMGETTER(PageFusionEnabled) (BOOL *aPageFusionEnabled)
218	{
219	CheckComArgOutPointerValid(aPageFusionEnabled);
220
221	AutoCaller autoCaller(this);
222	if (FAILED(autoCaller.rc())) return autoCaller.rc();
223
224	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
225
226	*aPageFusionEnabled = mfPageFusionEnabled;
227
228	return S_OK;
229	}
230
231	STDMETHODIMP Guest::COMSETTER(PageFusionEnabled) (BOOL aPageFusionEnabled)
232	{
233	AutoCaller autoCaller(this);
234	if (FAILED(autoCaller.rc())) return autoCaller.rc();
235
236	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
237
238	/** todo; API complete, but not implemented */
239
240	return E_NOTIMPL;
241	}
242
243	STDMETHODIMP Guest::COMGETTER(MemoryBalloonSize) (ULONG *aMemoryBalloonSize)
244	{
245	CheckComArgOutPointerValid(aMemoryBalloonSize);
246
247	AutoCaller autoCaller(this);
248	if (FAILED(autoCaller.rc())) return autoCaller.rc();
249
250	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
251
252	*aMemoryBalloonSize = mMemoryBalloonSize;
253
254	return S_OK;
255	}
256
257	STDMETHODIMP Guest::COMSETTER(MemoryBalloonSize) (ULONG aMemoryBalloonSize)
258	{
259	AutoCaller autoCaller(this);
260	if (FAILED(autoCaller.rc())) return autoCaller.rc();
261
262	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
263
264	/* We must be 100% sure that IMachine::COMSETTER(MemoryBalloonSize)
265	* does not call us back in any way! */
266	HRESULT ret = mParent->machine()->COMSETTER(MemoryBalloonSize)(aMemoryBalloonSize);
267	if (ret == S_OK)
268	{
269	mMemoryBalloonSize = aMemoryBalloonSize;
270	/* forward the information to the VMM device */
271	VMMDev *vmmDev = mParent->getVMMDev();
272	if (vmmDev)
273	vmmDev->getVMMDevPort()->pfnSetMemoryBalloon(vmmDev->getVMMDevPort(), aMemoryBalloonSize);
274	}
275
276	return ret;
277	}
278
279	STDMETHODIMP Guest::COMGETTER(StatisticsUpdateInterval)(ULONG *aUpdateInterval)
280	{
281	CheckComArgOutPointerValid(aUpdateInterval);
282
283	AutoCaller autoCaller(this);
284	if (FAILED(autoCaller.rc())) return autoCaller.rc();
285
286	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
287
288	*aUpdateInterval = mStatUpdateInterval;
289	return S_OK;
290	}
291
292	STDMETHODIMP Guest::COMSETTER(StatisticsUpdateInterval)(ULONG aUpdateInterval)
293	{
294	AutoCaller autoCaller(this);
295	if (FAILED(autoCaller.rc())) return autoCaller.rc();
296
297	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
298
299	mStatUpdateInterval = aUpdateInterval;
300	/* forward the information to the VMM device */
301	VMMDev *vmmDev = mParent->getVMMDev();
302	if (vmmDev)
303	vmmDev->getVMMDevPort()->pfnSetStatisticsInterval(vmmDev->getVMMDevPort(), aUpdateInterval);
304
305	return S_OK;
306	}
307
308	STDMETHODIMP Guest::InternalGetStatistics(ULONG aCpuUser, ULONG aCpuKernel, ULONG *aCpuIdle,
309	ULONG aMemTotal, ULONG aMemFree, ULONG aMemBalloon, ULONG aMemShared,
310	ULONG aMemCache, ULONG aPageTotal,
311	ULONG aMemAllocTotal, ULONG aMemFreeTotal, ULONG aMemBalloonTotal, ULONG aMemSharedTotal)
312	{
313	CheckComArgOutPointerValid(aCpuUser);
314	CheckComArgOutPointerValid(aCpuKernel);
315	CheckComArgOutPointerValid(aCpuIdle);
316	CheckComArgOutPointerValid(aMemTotal);
317	CheckComArgOutPointerValid(aMemFree);
318	CheckComArgOutPointerValid(aMemBalloon);
319	CheckComArgOutPointerValid(aMemShared);
320	CheckComArgOutPointerValid(aMemCache);
321	CheckComArgOutPointerValid(aPageTotal);
322	CheckComArgOutPointerValid(aMemAllocTotal);
323	CheckComArgOutPointerValid(aMemFreeTotal);
324	CheckComArgOutPointerValid(aMemBalloonTotal);
325	CheckComArgOutPointerValid(aMemSharedTotal);
326
327	AutoCaller autoCaller(this);
328	if (FAILED(autoCaller.rc())) return autoCaller.rc();
329
330	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
331
332	*aCpuUser = mCurrentGuestStat[GUESTSTATTYPE_CPUUSER];
333	*aCpuKernel = mCurrentGuestStat[GUESTSTATTYPE_CPUKERNEL];
334	*aCpuIdle = mCurrentGuestStat[GUESTSTATTYPE_CPUIDLE];
335	aMemTotal = mCurrentGuestStat[GUESTSTATTYPE_MEMTOTAL] (_4K/_1K); /* page (4K) -> 1KB units */
336	aMemFree = mCurrentGuestStat[GUESTSTATTYPE_MEMFREE] (_4K/_1K); /* page (4K) -> 1KB units */
337	aMemBalloon = mCurrentGuestStat[GUESTSTATTYPE_MEMBALLOON] (_4K/_1K); /* page (4K) -> 1KB units */
338	aMemCache = mCurrentGuestStat[GUESTSTATTYPE_MEMCACHE] (_4K/_1K); /* page (4K) -> 1KB units */
339	aPageTotal = mCurrentGuestStat[GUESTSTATTYPE_PAGETOTAL] (_4K/_1K); /* page (4K) -> 1KB units */
340
341	Console::SafeVMPtr pVM (mParent);
342	if (pVM.isOk())
343	{
344	uint64_t uFreeTotal, uAllocTotal, uBalloonedTotal, uSharedTotal;
345	*aMemFreeTotal = 0;
346	int rc = PGMR3QueryVMMMemoryStats(pVM.raw(), &uAllocTotal, &uFreeTotal, &uBalloonedTotal, &uSharedTotal);
347	AssertRC(rc);
348	if (rc == VINF_SUCCESS)
349	{
350	aMemAllocTotal = (ULONG)(uAllocTotal / _1K); / bytes -> KB */
351	*aMemFreeTotal = (ULONG)(uFreeTotal / _1K);
352	*aMemBalloonTotal = (ULONG)(uBalloonedTotal / _1K);
353	*aMemSharedTotal = (ULONG)(uSharedTotal / _1K);
354	}
355
356	/* Query the missing per-VM memory statistics. */
357	*aMemShared = 0;
358	uint64_t uTotalMem, uPrivateMem, uSharedMem, uZeroMem;
359	rc = PGMR3QueryMemoryStats(pVM.raw(), &uTotalMem, &uPrivateMem, &uSharedMem, &uZeroMem);
360	if (rc == VINF_SUCCESS)
361	{
362	*aMemShared = (ULONG)(uSharedMem / _1K);
363	}
364	}
365	else
366	{
367	*aMemFreeTotal = 0;
368	*aMemShared = 0;
369	}
370
371	return S_OK;
372	}
373
374	HRESULT Guest::SetStatistic(ULONG aCpuId, GUESTSTATTYPE enmType, ULONG aVal)
375	{
376	AutoCaller autoCaller(this);
377	if (FAILED(autoCaller.rc())) return autoCaller.rc();
378
379	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
380
381	if (enmType >= GUESTSTATTYPE_MAX)
382	return E_INVALIDARG;
383
384	mCurrentGuestStat[enmType] = aVal;
385	return S_OK;
386	}
387
388	STDMETHODIMP Guest::SetCredentials(IN_BSTR aUserName, IN_BSTR aPassword,
389	IN_BSTR aDomain, BOOL aAllowInteractiveLogon)
390	{
391	AutoCaller autoCaller(this);
392	if (FAILED(autoCaller.rc())) return autoCaller.rc();
393
394	/* forward the information to the VMM device */
395	VMMDev *vmmDev = mParent->getVMMDev();
396	if (vmmDev)
397	{
398	uint32_t u32Flags = VMMDEV_SETCREDENTIALS_GUESTLOGON;
399	if (!aAllowInteractiveLogon)
400	u32Flags = VMMDEV_SETCREDENTIALS_NOLOCALLOGON;
401
402	vmmDev->getVMMDevPort()->pfnSetCredentials(vmmDev->getVMMDevPort(),
403	Utf8Str(aUserName).raw(), Utf8Str(aPassword).raw(),
404	Utf8Str(aDomain).raw(), u32Flags);
405	return S_OK;
406	}
407
408	return setError(VBOX_E_VM_ERROR,
409	tr("VMM device is not available (is the VM running?)"));
410	}
411
412	#ifdef VBOX_WITH_GUEST_CONTROL
413	/**
414	* Appends environment variables to the environment block. Each var=value pair is separated
415	* by NULL (\0) sequence. The whole block will be stored in one blob and disassembled on the
416	* guest side later to fit into the HGCM param structure.
417	*
418	* @returns VBox status code.
419	*
420	* @todo
421	*
422	*/
423	int Guest::prepareExecuteEnv(const char pszEnv, void ppvList, uint32_t pcbList, uint32_t *pcEnv)
424	{
425	int rc = VINF_SUCCESS;
426	uint32_t cbLen = strlen(pszEnv);
427	if (*ppvList)
428	{
429	uint32_t cbNewLen = pcbList + cbLen + 1; / Include zero termination. */
430	char pvTmp = (char)RTMemRealloc(*ppvList, cbNewLen);
431	if (NULL == pvTmp)
432	{
433	rc = VERR_NO_MEMORY;
434	}
435	else
436	{
437	memcpy(pvTmp + *pcbList, pszEnv, cbLen);
438	pvTmp[cbNewLen - 1] = '\0'; /* Add zero termination. */
439	ppvList = (void*)pvTmp;
440	}
441	}
442	else
443	{
444	char *pcTmp;
445	if (RTStrAPrintf(&pcTmp, "%s", pszEnv) > 0)
446	{
447	ppvList = (void*)pcTmp;
448	/* Reset counters. */
449	*pcEnv = 0;
450	*pcbList = 0;
451	}
452	}
453	if (RT_SUCCESS(rc))
454	{
455	pcbList += cbLen + 1; / Include zero termination. */
456	pcEnv += 1; / Increase env pairs count. */
457	}
458	return rc;
459	}
460
461	/**
462	* Static callback function for receiving updates on guest control commands
463	* from the guest. Acts as a dispatcher for the actual class instance.
464	*
465	* @returns VBox status code.
466	*
467	* @todo
468	*
469	*/
470	DECLCALLBACK(int) Guest::doGuestCtrlNotification(void *pvExtension,
471	uint32_t u32Function,
472	void *pvParms,
473	uint32_t cbParms)
474	{
475	using namespace guestControl;
476
477	/*
478	* No locking, as this is purely a notification which does not make any
479	* changes to the object state.
480	*/
481	LogFlowFunc(("pvExtension = %p, u32Function = %d, pvParms = %p, cbParms = %d\n",
482	pvExtension, u32Function, pvParms, cbParms));
483	ComObjPtr<Guest> pGuest = reinterpret_cast<Guest *>(pvExtension);
484
485	int rc = VINF_SUCCESS;
486	if (u32Function == GUEST_EXEC_SEND_STATUS)
487	{
488	LogFlowFunc(("GUEST_EXEC_SEND_STATUS\n"));
489
490	PHOSTEXECCALLBACKDATA pCBData = reinterpret_cast<PHOSTEXECCALLBACKDATA>(pvParms);
491	AssertPtr(pCBData);
492	AssertReturn(sizeof(HOSTEXECCALLBACKDATA) == cbParms, VERR_INVALID_PARAMETER);
493	AssertReturn(HOSTEXECCALLBACKDATAMAGIC == pCBData->hdr.u32Magic, VERR_INVALID_PARAMETER);
494
495	rc = pGuest->notifyCtrlExec(u32Function, pCBData);
496	}
497	else if (u32Function == GUEST_EXEC_SEND_OUTPUT)
498	{
499	LogFlowFunc(("GUEST_EXEC_SEND_OUTPUT\n"));
500
501	PHOSTEXECOUTCALLBACKDATA pCBData = reinterpret_cast<PHOSTEXECOUTCALLBACKDATA>(pvParms);
502	AssertPtr(pCBData);
503	AssertReturn(sizeof(HOSTEXECOUTCALLBACKDATA) == cbParms, VERR_INVALID_PARAMETER);
504	AssertReturn(HOSTEXECOUTCALLBACKDATAMAGIC == pCBData->hdr.u32Magic, VERR_INVALID_PARAMETER);
505
506	rc = pGuest->notifyCtrlExecOut(u32Function, pCBData);
507	}
508	else
509	rc = VERR_NOT_SUPPORTED;
510	return rc;
511	}
512
513	/* Function for handling the execution start/termination notification. */
514	int Guest::notifyCtrlExec(uint32_t u32Function,
515	PHOSTEXECCALLBACKDATA pData)
516	{
517	LogFlowFuncEnter();
518	int rc = VINF_SUCCESS;
519
520	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
521
522	AssertPtr(pData);
523	CallbackListIter it = getCtrlCallbackContextByID(pData->hdr.u32ContextID);
524
525	/* Callback can be called several times. */
526	if (it != mCallbackList.end())
527	{
528	PHOSTEXECCALLBACKDATA pCBData = (HOSTEXECCALLBACKDATA*)it->pvData;
529	AssertPtr(pCBData);
530
531	pCBData->u32PID = pData->u32PID;
532	pCBData->u32Status = pData->u32Status;
533	pCBData->u32Flags = pData->u32Flags;
534	/** @todo Copy void* buffer contents! */
535
536	/* Was progress canceled before? */
537	BOOL fCancelled;
538	it->pProgress->COMGETTER(Canceled)(&fCancelled);
539
540	/* Do progress handling. */
541	Utf8Str errMsg;
542	HRESULT rc2 = S_OK;
543	switch (pData->u32Status)
544	{
545	case PROC_STS_STARTED:
546	break;
547
548	case PROC_STS_TEN: /* Terminated normally. */
549	if ( !it->pProgress->getCompleted()
550	&& !fCancelled)
551	{
552	it->pProgress->notifyComplete(S_OK);
553	}
554	break;
555
556	case PROC_STS_TEA: /* Terminated abnormally. */
557	errMsg = Utf8StrFmt(Guest::tr("Process terminated abnormally with status '%u'"),
558	pCBData->u32Flags);
559	break;
560
561	case PROC_STS_TES: /* Terminated through signal. */
562	errMsg = Utf8StrFmt(Guest::tr("Process terminated via signal with status '%u'"),
563	pCBData->u32Flags);
564	break;
565
566	case PROC_STS_TOK:
567	errMsg = Utf8StrFmt(Guest::tr("Process timed out and was killed"));
568	break;
569
570	case PROC_STS_TOA:
571	errMsg = Utf8StrFmt(Guest::tr("Process timed out and could not be killed"));
572	break;
573
574	case PROC_STS_DWN:
575	errMsg = Utf8StrFmt(Guest::tr("Process exited because system is shutting down"));
576	break;
577
578	default:
579	break;
580	}
581
582	/* Handle process list. */
583	/** @todo What happens on/deal with PID reuse? */
584	/** @todo How to deal with multiple updates at once? */
585	GuestProcessIter it_proc = getProcessByPID(pCBData->u32PID);
586	if (it_proc == mGuestProcessList.end())
587	{
588	/* Not found, add to list. */
589	GuestProcess p;
590	p.mPID = pCBData->u32PID;
591	p.mStatus = pCBData->u32Status;
592	p.mExitCode = pCBData->u32Flags; /* Contains exit code. */
593	p.mFlags = 0;
594
595	mGuestProcessList.push_back(p);
596	}
597	else /* Update list. */
598	{
599	it_proc->mStatus = pCBData->u32Status;
600	it_proc->mExitCode = pCBData->u32Flags; /* Contains exit code. */
601	it_proc->mFlags = 0;
602	}
603
604	if ( !it->pProgress.isNull()
605	&& errMsg.length())
606	{
607	if ( !it->pProgress->getCompleted()
608	&& !fCancelled)
609	{
610	it->pProgress->notifyComplete(E_FAIL /** @todo Find a better rc! */, COM_IIDOF(IGuest),
611	(CBSTR)Guest::getComponentName(), errMsg.c_str());
612	LogFlowFunc(("Callback (context ID=%u, status=%u) progress marked as completed\n",
613	pData->hdr.u32ContextID, pData->u32Status));
614	}
615	else
616	LogFlowFunc(("Callback (context ID=%u, status=%u) progress already marked as completed\n",
617	pData->hdr.u32ContextID, pData->u32Status));
618	}
619	ASMAtomicWriteBool(&it->bCalled, true);
620	}
621	else
622	LogFlowFunc(("Unexpected callback (magic=%u, context ID=%u) arrived\n", pData->hdr.u32Magic, pData->hdr.u32ContextID));
623	LogFlowFuncLeave();
624	return rc;
625	}
626
627	/* Function for handling the execution output notification. */
628	int Guest::notifyCtrlExecOut(uint32_t u32Function,
629	PHOSTEXECOUTCALLBACKDATA pData)
630	{
631	LogFlowFuncEnter();
632	int rc = VINF_SUCCESS;
633
634	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
635
636	AssertPtr(pData);
637	CallbackListIter it = getCtrlCallbackContextByID(pData->hdr.u32ContextID);
638	if (it != mCallbackList.end())
639	{
640	Assert(!it->bCalled);
641	PHOSTEXECOUTCALLBACKDATA pCBData = (HOSTEXECOUTCALLBACKDATA*)it->pvData;
642	AssertPtr(pCBData);
643
644	pCBData->u32PID = pData->u32PID;
645	pCBData->u32HandleId = pData->u32HandleId;
646	pCBData->u32Flags = pData->u32Flags;
647
648	/* Make sure we really got something! */
649	if ( pData->cbData
650	&& pData->pvData)
651	{
652	/* Allocate data buffer and copy it */
653	pCBData->pvData = RTMemAlloc(pData->cbData);
654	pCBData->cbData = pData->cbData;
655
656	AssertReturn(pCBData->pvData, VERR_NO_MEMORY);
657	memcpy(pCBData->pvData, pData->pvData, pData->cbData);
658	}
659	else
660	{
661	pCBData->pvData = NULL;
662	pCBData->cbData = 0;
663	}
664	ASMAtomicWriteBool(&it->bCalled, true);
665	}
666	else
667	LogFlowFunc(("Unexpected callback (magic=%u, context ID=%u) arrived\n", pData->hdr.u32Magic, pData->hdr.u32ContextID));
668	LogFlowFuncLeave();
669	return rc;
670	}
671
672	Guest::CallbackListIter Guest::getCtrlCallbackContextByID(uint32_t u32ContextID)
673	{
674	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
675
676	/** @todo Maybe use a map instead of list for fast context lookup. */
677	CallbackListIter it;
678	for (it = mCallbackList.begin(); it != mCallbackList.end(); it++)
679	{
680	if (it->mContextID == u32ContextID)
681	return (it);
682	}
683	return it;
684	}
685
686	Guest::GuestProcessIter Guest::getProcessByPID(uint32_t u32PID)
687	{
688	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
689
690	/** @todo Maybe use a map instead of list for fast context lookup. */
691	GuestProcessIter it;
692	for (it = mGuestProcessList.begin(); it != mGuestProcessList.end(); it++)
693	{
694	if (it->mPID == u32PID)
695	return (it);
696	}
697	return it;
698	}
699
700	/* No locking here; */
701	void Guest::destroyCtrlCallbackContext(Guest::CallbackListIter it)
702	{
703	LogFlowFuncEnter();
704	if (it->pvData)
705	{
706	RTMemFree(it->pvData);
707	it->pvData = NULL;
708	it->cbData = 0;
709
710	/* Notify outstanding waits for progress ... */
711	if (!it->pProgress.isNull())
712	{
713	/* Only cancel if not canceled before! */
714	BOOL fCancelled;
715	if (SUCCEEDED(it->pProgress->COMGETTER(Canceled)(&fCancelled)) && !fCancelled)
716	it->pProgress->Cancel();
717	/*
718	* Do *not NULL pProgress here, because waiting function like executeProcess()
719	* will still rely on this object for checking whether they have to give up!
720	*/
721	}
722	}
723	LogFlowFuncLeave();
724	}
725
726	/* Adds a callback with a user provided data block and an optional progress object
727	* to the callback list. A callback is identified by a unique context ID which is used
728	* to identify a callback from the guest side. */
729	uint32_t Guest::addCtrlCallbackContext(eVBoxGuestCtrlCallbackType enmType, void pvData, uint32_t cbData, Progress pProgress)
730	{
731	LogFlowFuncEnter();
732	uint32_t uNewContext = ASMAtomicIncU32(&mNextContextID);
733	if (uNewContext == UINT32_MAX)
734	ASMAtomicUoWriteU32(&mNextContextID, 1000);
735
736	/** @todo Put this stuff into a constructor! */
737	CallbackContext context;
738	context.mContextID = uNewContext;
739	context.mType = enmType;
740	context.bCalled = false;
741	context.pvData = pvData;
742	context.cbData = cbData;
743	context.pProgress = pProgress;
744
745	uint32_t nCallbacks;
746	{
747	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
748	mCallbackList.push_back(context);
749	nCallbacks = mCallbackList.size();
750	}
751
752	#if 0
753	if (nCallbacks > 256) /* Don't let the container size get too big! */
754	{
755	Guest::CallbackListIter it = mCallbackList.begin();
756	destroyCtrlCallbackContext(it);
757	{
758	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
759	mCallbackList.erase(it);
760	}
761	}
762	#endif
763
764	LogFlowFuncLeave();
765	return uNewContext;
766	}
767	#endif /* VBOX_WITH_GUEST_CONTROL */
768
769	STDMETHODIMP Guest::ExecuteProcess(IN_BSTR aCommand, ULONG aFlags,
770	ComSafeArrayIn(IN_BSTR, aArguments), ComSafeArrayIn(IN_BSTR, aEnvironment),
771	IN_BSTR aUserName, IN_BSTR aPassword,
772	ULONG aTimeoutMS, ULONG aPID, IProgress *aProgress)
773	{
774	#ifndef VBOX_WITH_GUEST_CONTROL
775	ReturnComNotImplemented();
776	#else /* VBOX_WITH_GUEST_CONTROL */
777	using namespace guestControl;
778
779	CheckComArgStrNotEmptyOrNull(aCommand);
780	CheckComArgOutPointerValid(aPID);
781	CheckComArgStrNotEmptyOrNull(aUserName); /* Do not allow anonymous executions (with system rights). */
782	CheckComArgOutPointerValid(aProgress);
783
784	AutoCaller autoCaller(this);
785	if (FAILED(autoCaller.rc())) return autoCaller.rc();
786
787	if (aFlags != 0) /* Flags are not supported at the moment. */
788	return E_INVALIDARG;
789
790	HRESULT rc = S_OK;
791
792	try
793	{
794	/*
795	* Create progress object.
796	*/
797	ComObjPtr <Progress> progress;
798	rc = progress.createObject();
799	if (SUCCEEDED(rc))
800	{
801	rc = progress->init(static_cast<IGuest*>(this),
802	BstrFmt(tr("Executing process")),
803	TRUE);
804	}
805	if (FAILED(rc)) return rc;
806
807	/*
808	* Prepare process execution.
809	*/
810	int vrc = VINF_SUCCESS;
811	Utf8Str Utf8Command(aCommand);
812
813	/* Adjust timeout */
814	if (aTimeoutMS == 0)
815	aTimeoutMS = UINT32_MAX;
816
817	/* Prepare arguments. */
818	char **papszArgv = NULL;
819	uint32_t uNumArgs = 0;
820	if (aArguments > 0)
821	{
822	com::SafeArray<IN_BSTR> args(ComSafeArrayInArg(aArguments));
823	uNumArgs = args.size();
824	papszArgv = (char*)RTMemAlloc(sizeof(char) * (uNumArgs + 1));
825	AssertReturn(papszArgv, E_OUTOFMEMORY);
826	for (unsigned i = 0; RT_SUCCESS(vrc) && i < uNumArgs; i++)
827	{
828	int cbLen = RTStrAPrintf(&papszArgv[i], "%s", Utf8Str(args[i]).raw());
829	if (cbLen < 0)
830	vrc = VERR_NO_MEMORY;
831
832	}
833	papszArgv[uNumArgs] = NULL;
834	}
835
836	Utf8Str Utf8UserName(aUserName);
837	Utf8Str Utf8Password(aPassword);
838	if (RT_SUCCESS(vrc))
839	{
840	uint32_t uContextID = 0;
841
842	char *pszArgs = NULL;
843	if (uNumArgs > 0)
844	vrc = RTGetOptArgvToString(&pszArgs, papszArgv, 0);
845	if (RT_SUCCESS(vrc))
846	{
847	uint32_t cbArgs = pszArgs ? strlen(pszArgs) + 1 : 0; /* Include terminating zero. */
848
849	/* Prepare environment. */
850	void *pvEnv = NULL;
851	uint32_t uNumEnv = 0;
852	uint32_t cbEnv = 0;
853	if (aEnvironment > 0)
854	{
855	com::SafeArray<IN_BSTR> env(ComSafeArrayInArg(aEnvironment));
856
857	for (unsigned i = 0; i < env.size(); i++)
858	{
859	vrc = prepareExecuteEnv(Utf8Str(env[i]).raw(), &pvEnv, &cbEnv, &uNumEnv);
860	if (RT_FAILURE(vrc))
861	break;
862	}
863	}
864
865	if (RT_SUCCESS(vrc))
866	{
867	PHOSTEXECCALLBACKDATA pData = (HOSTEXECCALLBACKDATA*)RTMemAlloc(sizeof(HOSTEXECCALLBACKDATA));
868	AssertReturn(pData, VBOX_E_IPRT_ERROR);
869	uContextID = addCtrlCallbackContext(VBOXGUESTCTRLCALLBACKTYPE_EXEC_START,
870	pData, sizeof(HOSTEXECCALLBACKDATA), progress);
871	Assert(uContextID > 0);
872
873	VBOXHGCMSVCPARM paParms[15];
874	int i = 0;
875	paParms[i++].setUInt32(uContextID);
876	paParms[i++].setPointer((void*)Utf8Command.raw(), (uint32_t)strlen(Utf8Command.raw()) + 1);
877	paParms[i++].setUInt32(aFlags);
878	paParms[i++].setUInt32(uNumArgs);
879	paParms[i++].setPointer((void*)pszArgs, cbArgs);
880	paParms[i++].setUInt32(uNumEnv);
881	paParms[i++].setUInt32(cbEnv);
882	paParms[i++].setPointer((void*)pvEnv, cbEnv);
883	paParms[i++].setPointer((void*)Utf8UserName.raw(), (uint32_t)strlen(Utf8UserName.raw()) + 1);
884	paParms[i++].setPointer((void*)Utf8Password.raw(), (uint32_t)strlen(Utf8Password.raw()) + 1);
885	paParms[i++].setUInt32(aTimeoutMS);
886
887	VMMDev *vmmDev;
888	{
889	/* Make sure mParent is valid, so set the read lock while using.
890	* Do not keep this lock while doing the actual call, because in the meanwhile
891	* another thread could request a write lock which would be a bad idea ... */
892	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
893
894	/* Forward the information to the VMM device. */
895	AssertPtr(mParent);
896	vmmDev = mParent->getVMMDev();
897	}
898
899	if (vmmDev)
900	{
901	LogFlowFunc(("hgcmHostCall numParms=%d\n", i));
902	vrc = vmmDev->hgcmHostCall("VBoxGuestControlSvc", HOST_EXEC_CMD,
903	i, paParms);
904	}
905	else
906	vrc = VERR_INVALID_VM_HANDLE;
907	RTMemFree(pvEnv);
908	}
909	RTStrFree(pszArgs);
910	}
911	if (RT_SUCCESS(vrc))
912	{
913	LogFlowFunc(("Waiting for HGCM callback (timeout=%ldms) ...\n", aTimeoutMS));
914
915	/*
916	* Wait for the HGCM low level callback until the process
917	* has been started (or something went wrong). This is necessary to
918	* get the PID.
919	*/
920	CallbackListIter it = getCtrlCallbackContextByID(uContextID);
921	BOOL fCanceled = FALSE;
922	if (it != mCallbackList.end())
923	{
924	uint64_t u64Started = RTTimeMilliTS();
925	while (!it->bCalled)
926	{
927	/* Check for timeout. */
928	unsigned cMsWait;
929	if (aTimeoutMS == RT_INDEFINITE_WAIT)
930	cMsWait = 10;
931	else
932	{
933	uint64_t cMsElapsed = RTTimeMilliTS() - u64Started;
934	if (cMsElapsed >= aTimeoutMS)
935	break; /* Timed out. */
936	cMsWait = RT_MIN(10, aTimeoutMS - (uint32_t)cMsElapsed);
937	}
938
939	/* Check for manual stop. */
940	if (!it->pProgress.isNull())
941	{
942	rc = it->pProgress->COMGETTER(Canceled)(&fCanceled);
943	if (FAILED(rc)) throw rc;
944	if (fCanceled)
945	break; /* Client wants to abort. */
946	}
947	RTThreadSleep(cMsWait);
948	}
949	}
950
951	/* Was the whole thing canceled? */
952	if (!fCanceled)
953	{
954	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
955
956	PHOSTEXECCALLBACKDATA pData = (HOSTEXECCALLBACKDATA*)it->pvData;
957	Assert(it->cbData == sizeof(HOSTEXECCALLBACKDATA));
958	AssertPtr(pData);
959
960	if (it->bCalled)
961	{
962	/* Did we get some status? */
963	switch (pData->u32Status)
964	{
965	case PROC_STS_STARTED:
966	/* Process is (still) running; get PID. */
967	*aPID = pData->u32PID;
968	break;
969
970	/* In any other case the process either already
971	* terminated or something else went wrong, so no PID ... */
972	case PROC_STS_TEN: /* Terminated normally. */
973	case PROC_STS_TEA: /* Terminated abnormally. */
974	case PROC_STS_TES: /* Terminated through signal. */
975	case PROC_STS_TOK:
976	case PROC_STS_TOA:
977	case PROC_STS_DWN:
978	/*
979	* Process (already) ended, but we want to get the
980	* PID anyway to retrieve the output in a later call.
981	*/
982	*aPID = pData->u32PID;
983	break;
984
985	case PROC_STS_ERROR:
986	vrc = pData->u32Flags; /* u32Flags member contains IPRT error code. */
987	break;
988
989	default:
990	vrc = VERR_INVALID_PARAMETER; /* Unknown status, should never happen! */
991	break;
992	}
993	}
994	else /* If callback not called within time ... well, that's a timeout! */
995	vrc = VERR_TIMEOUT;
996
997	/*
998	* Do not remove the callback yet - we might wait with the IProgress object on something
999	* else (like end of process) ...
1000	*/
1001	if (RT_FAILURE(vrc))
1002	{
1003	if (vrc == VERR_FILE_NOT_FOUND) /* This is the most likely error. */
1004	{
1005	rc = setError(VBOX_E_IPRT_ERROR,
1006	tr("The file '%s' was not found on guest"), Utf8Command.raw());
1007	}
1008	else if (vrc == VERR_BAD_EXE_FORMAT)
1009	{
1010	rc = setError(VBOX_E_IPRT_ERROR,
1011	tr("The file '%s' is not an executable format on guest"), Utf8Command.raw());
1012	}
1013	else if (vrc == VERR_LOGON_FAILURE)
1014	{
1015	rc = setError(VBOX_E_IPRT_ERROR,
1016	tr("The specified user '%s' was not able to logon on guest"), Utf8UserName.raw());
1017	}
1018	else if (vrc == VERR_TIMEOUT)
1019	{
1020	rc = setError(VBOX_E_IPRT_ERROR,
1021	tr("The guest did not respond within time (%ums)"), aTimeoutMS);
1022	}
1023	else if (vrc == VERR_INVALID_PARAMETER)
1024	{
1025	rc = setError(VBOX_E_IPRT_ERROR,
1026	tr("The guest reported an unknown process status (%u)"), pData->u32Status);
1027	}
1028	else if (vrc == VERR_PERMISSION_DENIED)
1029	{
1030	rc = setError(VBOX_E_IPRT_ERROR,
1031	tr("Invalid user/password credentials"));
1032	}
1033	else
1034	{
1035	rc = setError(E_UNEXPECTED,
1036	tr("The service call failed with error %Rrc"), vrc);
1037	}
1038	}
1039	else /* Execution went fine. */
1040	{
1041	/* Return the progress to the caller. */
1042	progress.queryInterfaceTo(aProgress);
1043	}
1044	}
1045	else /* Operation was canceled. */
1046	{
1047	rc = setError(VBOX_E_IPRT_ERROR,
1048	tr("The operation was canceled."));
1049	}
1050	}
1051	else /* HGCM related error codes .*/
1052	{
1053	if (vrc == VERR_INVALID_VM_HANDLE)
1054	{
1055	rc = setError(VBOX_E_VM_ERROR,
1056	tr("VMM device is not available (is the VM running?)"));
1057	}
1058	else if (vrc == VERR_TIMEOUT)
1059	{
1060	rc = setError(VBOX_E_VM_ERROR,
1061	tr("The guest execution service is not ready"));
1062	}
1063	else /* HGCM call went wrong. */
1064	{
1065	rc = setError(E_UNEXPECTED,
1066	tr("The HGCM call failed with error %Rrc"), vrc);
1067	}
1068	}
1069
1070	for (unsigned i = 0; i < uNumArgs; i++)
1071	RTMemFree(papszArgv[i]);
1072	RTMemFree(papszArgv);
1073	}
1074	}
1075	catch (std::bad_alloc &)
1076	{
1077	rc = E_OUTOFMEMORY;
1078	}
1079	return rc;
1080	#endif /* VBOX_WITH_GUEST_CONTROL */
1081	}
1082
1083	STDMETHODIMP Guest::GetProcessOutput(ULONG aPID, ULONG aFlags, ULONG aTimeoutMS, ULONG64 aSize, ComSafeArrayOut(BYTE, aData))
1084	{
1085	#ifndef VBOX_WITH_GUEST_CONTROL
1086	ReturnComNotImplemented();
1087	#else /* VBOX_WITH_GUEST_CONTROL */
1088	using namespace guestControl;
1089
1090	CheckComArgExpr(aPID, aPID > 0);
1091
1092	if (aFlags != 0) /* Flags are not supported at the moment. */
1093	return E_INVALIDARG;
1094
1095	AutoCaller autoCaller(this);
1096	if (FAILED(autoCaller.rc())) return autoCaller.rc();
1097
1098	HRESULT rc = S_OK;
1099
1100	try
1101	{
1102	/*
1103	* Create progress object.
1104	* Note that we need at least a local progress object here in order
1105	* to get notified when someone cancels the operation.
1106	*/
1107	ComObjPtr <Progress> progress;
1108	rc = progress.createObject();
1109	if (SUCCEEDED(rc))
1110	{
1111	rc = progress->init(static_cast<IGuest*>(this),
1112	BstrFmt(tr("Getting output of process")),
1113	TRUE);
1114	}
1115	if (FAILED(rc)) return rc;
1116
1117	/* Adjust timeout */
1118	if (aTimeoutMS == 0)
1119	aTimeoutMS = UINT32_MAX;
1120
1121	/* Search for existing PID. */
1122	PHOSTEXECOUTCALLBACKDATA pData = (HOSTEXECOUTCALLBACKDATA*)RTMemAlloc(sizeof(HOSTEXECOUTCALLBACKDATA));
1123	AssertReturn(pData, VBOX_E_IPRT_ERROR);
1124	uint32_t uContextID = addCtrlCallbackContext(VBOXGUESTCTRLCALLBACKTYPE_EXEC_OUTPUT,
1125	pData, sizeof(HOSTEXECOUTCALLBACKDATA), progress);
1126	Assert(uContextID > 0);
1127
1128	size_t cbData = (size_t)RT_MIN(aSize, _64K);
1129	com::SafeArray<BYTE> outputData(cbData);
1130
1131	VBOXHGCMSVCPARM paParms[5];
1132	int i = 0;
1133	paParms[i++].setUInt32(uContextID);
1134	paParms[i++].setUInt32(aPID);
1135	paParms[i++].setUInt32(aFlags); /** @todo Should represent stdout and/or stderr. */
1136
1137	int vrc = VINF_SUCCESS;
1138
1139	{
1140	VMMDev *vmmDev;
1141	{
1142	/* Make sure mParent is valid, so set the read lock while using.
1143	* Do not keep this lock while doing the actual call, because in the meanwhile
1144	* another thread could request a write lock which would be a bad idea ... */
1145	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1146
1147	/* Forward the information to the VMM device. */
1148	AssertPtr(mParent);
1149	vmmDev = mParent->getVMMDev();
1150	}
1151
1152	if (vmmDev)
1153	{
1154	LogFlowFunc(("hgcmHostCall numParms=%d\n", i));
1155	vrc = vmmDev->hgcmHostCall("VBoxGuestControlSvc", HOST_EXEC_GET_OUTPUT,
1156	i, paParms);
1157	}
1158	}
1159
1160	if (RT_SUCCESS(vrc))
1161	{
1162	LogFlowFunc(("Waiting for HGCM callback (timeout=%ldms) ...\n", aTimeoutMS));
1163
1164	/*
1165	* Wait for the HGCM low level callback until the process
1166	* has been started (or something went wrong). This is necessary to
1167	* get the PID.
1168	*/
1169	CallbackListIter it = getCtrlCallbackContextByID(uContextID);
1170	BOOL fCanceled = FALSE;
1171	if (it != mCallbackList.end())
1172	{
1173	uint64_t u64Started = RTTimeMilliTS();
1174	while (!it->bCalled)
1175	{
1176	/* Check for timeout. */
1177	unsigned cMsWait;
1178	if (aTimeoutMS == RT_INDEFINITE_WAIT)
1179	cMsWait = 10;
1180	else
1181	{
1182	uint64_t cMsElapsed = RTTimeMilliTS() - u64Started;
1183	if (cMsElapsed >= aTimeoutMS)
1184	break; /* Timed out. */
1185	cMsWait = RT_MIN(10, aTimeoutMS - (uint32_t)cMsElapsed);
1186	}
1187
1188	/* Check for manual stop. */
1189	if (!it->pProgress.isNull())
1190	{
1191	rc = it->pProgress->COMGETTER(Canceled)(&fCanceled);
1192	if (FAILED(rc)) throw rc;
1193	if (fCanceled)
1194	break; /* Client wants to abort. */
1195	}
1196	RTThreadSleep(cMsWait);
1197	}
1198
1199	/* Was the whole thing canceled? */
1200	if (!fCanceled)
1201	{
1202	if (it->bCalled)
1203	{
1204	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1205
1206	/* Did we get some output? */
1207	pData = (HOSTEXECOUTCALLBACKDATA*)it->pvData;
1208	Assert(it->cbData == sizeof(HOSTEXECOUTCALLBACKDATA));
1209	AssertPtr(pData);
1210
1211	if (pData->cbData)
1212	{
1213	/* Do we need to resize the array? */
1214	if (pData->cbData > cbData)
1215	outputData.resize(pData->cbData);
1216
1217	/* Fill output in supplied out buffer. */
1218	memcpy(outputData.raw(), pData->pvData, pData->cbData);
1219	outputData.resize(pData->cbData); /* Shrink to fit actual buffer size. */
1220	}
1221	else
1222	vrc = VERR_NO_DATA; /* This is not an error we want to report to COM. */
1223	}
1224	else /* If callback not called within time ... well, that's a timeout! */
1225	vrc = VERR_TIMEOUT;
1226	}
1227	else /* Operation was canceled. */
1228	vrc = VERR_CANCELLED;
1229
1230	if (RT_FAILURE(vrc))
1231	{
1232	if (vrc == VERR_NO_DATA)
1233	{
1234	/* This is not an error we want to report to COM. */
1235	}
1236	else if (vrc == VERR_TIMEOUT)
1237	{
1238	rc = setError(VBOX_E_IPRT_ERROR,
1239	tr("The guest did not output within time (%ums)"), aTimeoutMS);
1240	}
1241	else if (vrc == VERR_CANCELLED)
1242	{
1243	rc = setError(VBOX_E_IPRT_ERROR,
1244	tr("The operation was canceled."));
1245	}
1246	else
1247	{
1248	rc = setError(E_UNEXPECTED,
1249	tr("The service call failed with error %Rrc"), vrc);
1250	}
1251	}
1252
1253	{
1254	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1255	destroyCtrlCallbackContext(it);
1256	}
1257	}
1258	else /* PID lookup failed. */
1259	rc = setError(VBOX_E_IPRT_ERROR,
1260	tr("Process (PID %u) not found!"), aPID);
1261	}
1262	else /* HGCM operation failed. */
1263	rc = setError(E_UNEXPECTED,
1264	tr("The HGCM call failed with error %Rrc"), vrc);
1265
1266	/* Cleanup. */
1267	progress->uninit();
1268	progress.setNull();
1269
1270	/* If something failed (or there simply was no data, indicated by VERR_NO_DATA,
1271	* we return an empty array so that the frontend knows when to give up. */
1272	if (RT_FAILURE(vrc) \|\| FAILED(rc))
1273	outputData.resize(0);
1274	outputData.detachTo(ComSafeArrayOutArg(aData));
1275	}
1276	catch (std::bad_alloc &)
1277	{
1278	rc = E_OUTOFMEMORY;
1279	}
1280	return rc;
1281	#endif
1282	}
1283
1284	STDMETHODIMP Guest::GetProcessStatus(ULONG aPID, ULONG aExitCode, ULONG aFlags, ULONG *aStatus)
1285	{
1286	#ifndef VBOX_WITH_GUEST_CONTROL
1287	ReturnComNotImplemented();
1288	#else /* VBOX_WITH_GUEST_CONTROL */
1289	using namespace guestControl;
1290
1291	AutoCaller autoCaller(this);
1292	if (FAILED(autoCaller.rc())) return autoCaller.rc();
1293
1294	HRESULT rc = S_OK;
1295
1296	try
1297	{
1298	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1299
1300	GuestProcessIterConst it;
1301	for (it = mGuestProcessList.begin(); it != mGuestProcessList.end(); it++)
1302	{
1303	if (it->mPID == aPID)
1304	break;
1305	}
1306
1307	if (it != mGuestProcessList.end())
1308	{
1309	*aExitCode = it->mExitCode;
1310	*aFlags = it->mFlags;
1311	*aStatus = it->mStatus;
1312	}
1313	else
1314	rc = setError(VBOX_E_IPRT_ERROR,
1315	tr("Process (PID %u) not found!"), aPID);
1316	}
1317	catch (std::bad_alloc &)
1318	{
1319	rc = E_OUTOFMEMORY;
1320	}
1321	return rc;
1322	#endif
1323	}
1324
1325	// public methods only for internal purposes
1326	/////////////////////////////////////////////////////////////////////////////
1327
1328	void Guest::setAdditionsVersion(Bstr aVersion, VBOXOSTYPE aOsType)
1329	{
1330	AutoCaller autoCaller(this);
1331	AssertComRCReturnVoid (autoCaller.rc());
1332
1333	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1334
1335	mData.mAdditionsVersion = aVersion;
1336	mData.mAdditionsActive = !aVersion.isEmpty();
1337	/* Older Additions didn't have this finer grained capability bit,
1338	* so enable it by default. Newer Additions will disable it immediately
1339	* if relevant. */
1340	mData.mSupportsGraphics = mData.mAdditionsActive;
1341
1342	mData.mOSTypeId = Global::OSTypeId (aOsType);
1343	}
1344
1345	void Guest::setSupportsSeamless (BOOL aSupportsSeamless)
1346	{
1347	AutoCaller autoCaller(this);
1348	AssertComRCReturnVoid (autoCaller.rc());
1349
1350	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1351
1352	mData.mSupportsSeamless = aSupportsSeamless;
1353	}
1354
1355	void Guest::setSupportsGraphics (BOOL aSupportsGraphics)
1356	{
1357	AutoCaller autoCaller(this);
1358	AssertComRCReturnVoid (autoCaller.rc());
1359
1360	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1361
1362	mData.mSupportsGraphics = aSupportsGraphics;
1363	}
1364	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/GuestImpl.cpp@ 29620

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