GuestImpl.cpp@ 28345

Last change on this file since 28345 was 28307, checked in by vboxsync, 15 years ago
Guest Control: Update (another error handling).
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 26.0 KB

Line
1	/* $Id: GuestImpl.cpp 28307 2010-04-14 15:00:50Z vboxsync $ */
2
3	/** @file
4	*
5	* VirtualBox COM class implementation
6	*/
7
8	/*
9	* Copyright (C) 2006-2008 Sun Microsystems, Inc.
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	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
20	* Clara, CA 95054 USA or visit http://www.sun.com if you need
21	* additional information or have any questions.
22	*/
23
24	#include "GuestImpl.h"
25
26	#include "Global.h"
27	#include "ConsoleImpl.h"
28	#include "ProgressImpl.h"
29	#include "VMMDev.h"
30
31	#include "AutoCaller.h"
32	#include "Logging.h"
33
34	#include <VBox/VMMDev.h>
35	#ifdef VBOX_WITH_GUEST_CONTROL
36	# include <VBox/com/array.h>
37	#endif
38	#include <iprt/cpp/utils.h>
39	#include <iprt/getopt.h>
40	#include <VBox/pgm.h>
41
42	// defines
43	/////////////////////////////////////////////////////////////////////////////
44
45	// constructor / destructor
46	/////////////////////////////////////////////////////////////////////////////
47
48	DEFINE_EMPTY_CTOR_DTOR (Guest)
49
50	HRESULT Guest::FinalConstruct()
51	{
52	return S_OK;
53	}
54
55	void Guest::FinalRelease()
56	{
57	uninit ();
58	}
59
60	// public methods only for internal purposes
61	/////////////////////////////////////////////////////////////////////////////
62
63	/**
64	* Initializes the guest object.
65	*/
66	HRESULT Guest::init (Console *aParent)
67	{
68	LogFlowThisFunc(("aParent=%p\n", aParent));
69
70	ComAssertRet(aParent, E_INVALIDARG);
71
72	/* Enclose the state transition NotReady->InInit->Ready */
73	AutoInitSpan autoInitSpan(this);
74	AssertReturn(autoInitSpan.isOk(), E_FAIL);
75
76	unconst(mParent) = aParent;
77
78	/* mData.mAdditionsActive is FALSE */
79
80	/* Confirm a successful initialization when it's the case */
81	autoInitSpan.setSucceeded();
82
83	ULONG aMemoryBalloonSize;
84	HRESULT ret = mParent->machine()->COMGETTER(MemoryBalloonSize)(&aMemoryBalloonSize);
85	if (ret == S_OK)
86	mMemoryBalloonSize = aMemoryBalloonSize;
87	else
88	mMemoryBalloonSize = 0; /* Default is no ballooning */
89
90	mStatUpdateInterval = 0; /* Default is not to report guest statistics at all */
91
92	/* Clear statistics. */
93	for (unsigned i = 0 ; i < GUESTSTATTYPE_MAX; i++)
94	mCurrentGuestStat[i] = 0;
95
96	#ifdef VBOX_WITH_GUEST_CONTROL
97	/* Init the context ID counter at 1000. */
98	mNextContextID = 1000;
99	#endif
100
101	return S_OK;
102	}
103
104	/**
105	* Uninitializes the instance and sets the ready flag to FALSE.
106	* Called either from FinalRelease() or by the parent when it gets destroyed.
107	*/
108	void Guest::uninit()
109	{
110	LogFlowThisFunc(("\n"));
111
112	#ifdef VBOX_WITH_GUEST_CONTROL
113	/* Clean up callback data. */
114	CallbackListIter it;
115	for (it = mCallbackList.begin(); it != mCallbackList.end(); it++)
116	removeCtrlCallbackContext(it);
117	#endif
118
119	/* Enclose the state transition Ready->InUninit->NotReady */
120	AutoUninitSpan autoUninitSpan(this);
121	if (autoUninitSpan.uninitDone())
122	return;
123
124	unconst(mParent) = NULL;
125	}
126
127	// IGuest properties
128	/////////////////////////////////////////////////////////////////////////////
129
130	STDMETHODIMP Guest::COMGETTER(OSTypeId) (BSTR *aOSTypeId)
131	{
132	CheckComArgOutPointerValid(aOSTypeId);
133
134	AutoCaller autoCaller(this);
135	if (FAILED(autoCaller.rc())) return autoCaller.rc();
136
137	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
138
139	// redirect the call to IMachine if no additions are installed
140	if (mData.mAdditionsVersion.isEmpty())
141	return mParent->machine()->COMGETTER(OSTypeId)(aOSTypeId);
142
143	mData.mOSTypeId.cloneTo(aOSTypeId);
144
145	return S_OK;
146	}
147
148	STDMETHODIMP Guest::COMGETTER(AdditionsActive) (BOOL *aAdditionsActive)
149	{
150	CheckComArgOutPointerValid(aAdditionsActive);
151
152	AutoCaller autoCaller(this);
153	if (FAILED(autoCaller.rc())) return autoCaller.rc();
154
155	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
156
157	*aAdditionsActive = mData.mAdditionsActive;
158
159	return S_OK;
160	}
161
162	STDMETHODIMP Guest::COMGETTER(AdditionsVersion) (BSTR *aAdditionsVersion)
163	{
164	CheckComArgOutPointerValid(aAdditionsVersion);
165
166	AutoCaller autoCaller(this);
167	if (FAILED(autoCaller.rc())) return autoCaller.rc();
168
169	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
170
171	mData.mAdditionsVersion.cloneTo(aAdditionsVersion);
172
173	return S_OK;
174	}
175
176	STDMETHODIMP Guest::COMGETTER(SupportsSeamless) (BOOL *aSupportsSeamless)
177	{
178	CheckComArgOutPointerValid(aSupportsSeamless);
179
180	AutoCaller autoCaller(this);
181	if (FAILED(autoCaller.rc())) return autoCaller.rc();
182
183	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
184
185	*aSupportsSeamless = mData.mSupportsSeamless;
186
187	return S_OK;
188	}
189
190	STDMETHODIMP Guest::COMGETTER(SupportsGraphics) (BOOL *aSupportsGraphics)
191	{
192	CheckComArgOutPointerValid(aSupportsGraphics);
193
194	AutoCaller autoCaller(this);
195	if (FAILED(autoCaller.rc())) return autoCaller.rc();
196
197	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
198
199	*aSupportsGraphics = mData.mSupportsGraphics;
200
201	return S_OK;
202	}
203
204	STDMETHODIMP Guest::COMGETTER(MemoryBalloonSize) (ULONG *aMemoryBalloonSize)
205	{
206	CheckComArgOutPointerValid(aMemoryBalloonSize);
207
208	AutoCaller autoCaller(this);
209	if (FAILED(autoCaller.rc())) return autoCaller.rc();
210
211	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
212
213	*aMemoryBalloonSize = mMemoryBalloonSize;
214
215	return S_OK;
216	}
217
218	STDMETHODIMP Guest::COMSETTER(MemoryBalloonSize) (ULONG aMemoryBalloonSize)
219	{
220	AutoCaller autoCaller(this);
221	if (FAILED(autoCaller.rc())) return autoCaller.rc();
222
223	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
224
225	HRESULT ret = mParent->machine()->COMSETTER(MemoryBalloonSize)(aMemoryBalloonSize);
226	if (ret == S_OK)
227	{
228	mMemoryBalloonSize = aMemoryBalloonSize;
229	/* forward the information to the VMM device */
230	VMMDev *vmmDev = mParent->getVMMDev();
231	if (vmmDev)
232	vmmDev->getVMMDevPort()->pfnSetMemoryBalloon(vmmDev->getVMMDevPort(), aMemoryBalloonSize);
233	}
234
235	return ret;
236	}
237
238	STDMETHODIMP Guest::COMGETTER(StatisticsUpdateInterval)(ULONG *aUpdateInterval)
239	{
240	CheckComArgOutPointerValid(aUpdateInterval);
241
242	AutoCaller autoCaller(this);
243	if (FAILED(autoCaller.rc())) return autoCaller.rc();
244
245	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
246
247	*aUpdateInterval = mStatUpdateInterval;
248	return S_OK;
249	}
250
251	STDMETHODIMP Guest::COMSETTER(StatisticsUpdateInterval)(ULONG aUpdateInterval)
252	{
253	AutoCaller autoCaller(this);
254	if (FAILED(autoCaller.rc())) return autoCaller.rc();
255
256	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
257
258	mStatUpdateInterval = aUpdateInterval;
259	/* forward the information to the VMM device */
260	VMMDev *vmmDev = mParent->getVMMDev();
261	if (vmmDev)
262	vmmDev->getVMMDevPort()->pfnSetStatisticsInterval(vmmDev->getVMMDevPort(), aUpdateInterval);
263
264	return S_OK;
265	}
266
267	STDMETHODIMP Guest::InternalGetStatistics(ULONG aCpuUser, ULONG aCpuKernel, ULONG *aCpuIdle,
268	ULONG aMemTotal, ULONG aMemFree, ULONG *aMemBalloon,
269	ULONG aMemCache, ULONG aPageTotal,
270	ULONG aMemAllocTotal, ULONG aMemFreeTotal, ULONG *aMemBalloonTotal)
271	{
272	CheckComArgOutPointerValid(aCpuUser);
273	CheckComArgOutPointerValid(aCpuKernel);
274	CheckComArgOutPointerValid(aCpuIdle);
275	CheckComArgOutPointerValid(aMemTotal);
276	CheckComArgOutPointerValid(aMemFree);
277	CheckComArgOutPointerValid(aMemBalloon);
278	CheckComArgOutPointerValid(aMemCache);
279	CheckComArgOutPointerValid(aPageTotal);
280
281	AutoCaller autoCaller(this);
282	if (FAILED(autoCaller.rc())) return autoCaller.rc();
283
284	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
285
286	aCpuUser = mCurrentGuestStat[GUESTSTATTYPE_CPUUSER] (_4K/_1K); /* page (4K) -> 1 KB units */
287	aCpuKernel = mCurrentGuestStat[GUESTSTATTYPE_CPUKERNEL] (_4K/_1K);
288	aCpuIdle = mCurrentGuestStat[GUESTSTATTYPE_CPUIDLE] (_4K/_1K);
289	aMemTotal = mCurrentGuestStat[GUESTSTATTYPE_MEMTOTAL] (_4K/_1K);
290	aMemFree = mCurrentGuestStat[GUESTSTATTYPE_MEMFREE] (_4K/_1K);
291	aMemBalloon = mCurrentGuestStat[GUESTSTATTYPE_MEMBALLOON] (_4K/_1K);
292	aMemCache = mCurrentGuestStat[GUESTSTATTYPE_MEMCACHE] (_4K/_1K);
293	aPageTotal = mCurrentGuestStat[GUESTSTATTYPE_PAGETOTAL] (_4K/_1K);
294
295	Console::SafeVMPtr pVM (mParent);
296	if (pVM.isOk())
297	{
298	uint64_t uFreeTotal, uAllocTotal, uBalloonedTotal;
299	*aMemFreeTotal = 0;
300	int rc = PGMR3QueryVMMMemoryStats(pVM.raw(), &uAllocTotal, &uFreeTotal, &uBalloonedTotal);
301	AssertRC(rc);
302	if (rc == VINF_SUCCESS)
303	{
304	aMemAllocTotal = (ULONG)(uAllocTotal / _1K); / bytes -> KB */
305	*aMemFreeTotal = (ULONG)(uFreeTotal / _1K);
306	*aMemBalloonTotal = (ULONG)(uBalloonedTotal / _1K);
307	}
308	}
309	else
310	*aMemFreeTotal = 0;
311
312	return S_OK;
313	}
314
315	HRESULT Guest::SetStatistic(ULONG aCpuId, GUESTSTATTYPE enmType, ULONG aVal)
316	{
317	AutoCaller autoCaller(this);
318	if (FAILED(autoCaller.rc())) return autoCaller.rc();
319
320	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
321
322	if (enmType >= GUESTSTATTYPE_MAX)
323	return E_INVALIDARG;
324
325	mCurrentGuestStat[enmType] = aVal;
326	return S_OK;
327	}
328
329	STDMETHODIMP Guest::SetCredentials(IN_BSTR aUserName, IN_BSTR aPassword,
330	IN_BSTR aDomain, BOOL aAllowInteractiveLogon)
331	{
332	AutoCaller autoCaller(this);
333	if (FAILED(autoCaller.rc())) return autoCaller.rc();
334
335	/* forward the information to the VMM device */
336	VMMDev *vmmDev = mParent->getVMMDev();
337	if (vmmDev)
338	{
339	uint32_t u32Flags = VMMDEV_SETCREDENTIALS_GUESTLOGON;
340	if (!aAllowInteractiveLogon)
341	u32Flags = VMMDEV_SETCREDENTIALS_NOLOCALLOGON;
342
343	vmmDev->getVMMDevPort()->pfnSetCredentials(vmmDev->getVMMDevPort(),
344	Utf8Str(aUserName).raw(), Utf8Str(aPassword).raw(),
345	Utf8Str(aDomain).raw(), u32Flags);
346	return S_OK;
347	}
348
349	return setError(VBOX_E_VM_ERROR,
350	tr("VMM device is not available (is the VM running?)"));
351	}
352
353	#ifdef VBOX_WITH_GUEST_CONTROL
354	/**
355	* Creates the argument list as an array used for executing a program.
356	*
357	* @returns VBox status code.
358	*
359	* @todo
360	*
361	* @todo Respect spaces when quoting for arguments, e.g. "c:\\program files\\".
362	* @todo Handle empty ("") argguments.
363	*/
364	int Guest::prepareExecuteArgs(const char pszArgs, void ppvList, uint32_t pcbList, uint32_t *pcArgs)
365	{
366	char **ppaArg;
367	int iArgs;
368	int rc = RTGetOptArgvFromString(&ppaArg, &iArgs, pszArgs, NULL);
369	if (RT_SUCCESS(rc))
370	{
371	char *pszTemp = NULL;
372	*pcbList = 0;
373	for (int i=0; i<iArgs; i++)
374	{
375	if (i > 0) /* Insert space as delimiter. */
376	rc = RTStrAAppendN(&pszTemp, " ", 1);
377
378	if (RT_FAILURE(rc))
379	break;
380	else
381	{
382	rc = RTStrAAppendN(&pszTemp, ppaArg[i], strlen(ppaArg[i]));
383	if (RT_FAILURE(rc))
384	break;
385	}
386	}
387	RTGetOptArgvFree(ppaArg);
388	if (RT_SUCCESS(rc))
389	{
390	*ppvList = pszTemp;
391	*pcArgs = iArgs;
392	if (pszTemp)
393	pcbList = strlen(pszTemp) + 1; / Include zero termination. */
394	}
395	else
396	RTStrFree(pszTemp);
397	}
398	return rc;
399	}
400
401	/**
402	* Appends environment variables to the environment block. Each var=value pair is separated
403	* by NULL (\0) sequence. The whole block will be stored in one blob and disassembled on the
404	* guest side later to fit into the HGCM param structure.
405	*
406	* @returns VBox status code.
407	*
408	* @todo
409	*
410	*/
411	int Guest::prepareExecuteEnv(const char pszEnv, void ppvList, uint32_t pcbList, uint32_t *pcEnv)
412	{
413	int rc = VINF_SUCCESS;
414	uint32_t cbLen = strlen(pszEnv);
415	if (*ppvList)
416	{
417	uint32_t cbNewLen = pcbList + cbLen + 1; / Include zero termination. */
418	char pvTmp = (char)RTMemRealloc(*ppvList, cbNewLen);
419	if (NULL == pvTmp)
420	{
421	rc = VERR_NO_MEMORY;
422	}
423	else
424	{
425	memcpy(pvTmp + *pcbList, pszEnv, cbLen);
426	pvTmp[cbNewLen - 1] = '\0'; /* Add zero termination. */
427	ppvList = (void*)pvTmp;
428	}
429	}
430	else
431	{
432	char *pcTmp;
433	if (RTStrAPrintf(&pcTmp, "%s", pszEnv) > 0)
434	{
435	ppvList = (void*)pcTmp;
436	/* Reset counters. */
437	*pcEnv = 0;
438	*pcbList = 0;
439	}
440	}
441	if (RT_SUCCESS(rc))
442	{
443	pcbList += cbLen + 1; / Include zero termination. */
444	pcEnv += 1; / Increase env pairs count. */
445	}
446	return rc;
447	}
448
449	/**
450	* Static callback function for receiving updates on guest control commands
451	* from the guest. Acts as a dispatcher for the actual class instance.
452	*
453	* @returns VBox status code.
454	*
455	* @todo
456	*
457	*/
458	DECLCALLBACK(int) Guest::doGuestCtrlNotification(void *pvExtension,
459	uint32_t u32Function,
460	void *pvParms,
461	uint32_t cbParms)
462	{
463	using namespace guestControl;
464
465	/*
466	* No locking, as this is purely a notification which does not make any
467	* changes to the object state.
468	*/
469	LogFlowFunc(("pvExtension = %p, u32Function = %d, pvParms = %p, cbParms = %d\n",
470	pvExtension, u32Function, pvParms, cbParms));
471	ComObjPtr<Guest> pGuest = reinterpret_cast<Guest *>(pvExtension);
472
473	int rc = VINF_SUCCESS;
474	if (u32Function == GUEST_EXEC_SEND_STATUS)
475	{
476	LogFlowFunc(("GUEST_EXEC_SEND_STATUS\n"));
477
478	PHOSTEXECCALLBACKDATA pCBData = reinterpret_cast<PHOSTEXECCALLBACKDATA>(pvParms);
479	AssertPtr(pCBData);
480	AssertReturn(sizeof(HOSTEXECCALLBACKDATA) == cbParms, VERR_INVALID_PARAMETER);
481	AssertReturn(HOSTEXECCALLBACKDATAMAGIC == pCBData->hdr.u32Magic, VERR_INVALID_PARAMETER);
482
483	rc = pGuest->notifyCtrlExec(u32Function, pCBData);
484	}
485	else
486	rc = VERR_NOT_SUPPORTED;
487	return rc;
488	}
489
490	/* Notifier function for control execution stuff. */
491	int Guest::notifyCtrlExec(uint32_t u32Function,
492	PHOSTEXECCALLBACKDATA pData)
493	{
494	int rc = VINF_SUCCESS;
495
496	AssertPtr(pData);
497	CallbackListIter it = getCtrlCallbackContext(pData->hdr.u32ContextID);
498	if (it != mCallbackList.end())
499	{
500	PHOSTEXECCALLBACKDATA pCBData = (HOSTEXECCALLBACKDATA*)it->pvData;
501	AssertPtr(pCBData);
502
503	pCBData->u32PID = pData->u32PID;
504	pCBData->u32Status = pData->u32Status;
505	pCBData->u32Flags = pData->u32Flags;
506	/* @todo Copy void* buffer contents! */
507
508	ASMAtomicWriteBool(&it->bCalled, true);
509	}
510	return rc;
511	}
512
513	Guest::CallbackListIter Guest::getCtrlCallbackContext(uint32_t u32ContextID)
514	{
515	CallbackListIter it;
516	for (it = mCallbackList.begin(); it != mCallbackList.end(); it++)
517	{
518	if (it->mContextID == u32ContextID)
519	return (it);
520	}
521	return it;
522	}
523
524	void Guest::removeCtrlCallbackContext(Guest::CallbackListIter it)
525	{
526	if (it->cbData)
527	{
528	RTMemFree(it->pvData);
529	it->cbData = 0;
530	it->pvData = NULL;
531	}
532	mCallbackList.erase(it);
533	}
534
535	uint32_t Guest::addCtrlCallbackContext(void *pvData, uint32_t cbData)
536	{
537	uint32_t uNewContext = ASMAtomicIncU32(&mNextContextID);
538	/** @todo Add value clamping! */
539
540	CallbackContext context;
541	context.mContextID = uNewContext;
542	context.bCalled = false;
543	context.pvData = pvData;
544	context.cbData = cbData;
545
546	mCallbackList.push_back(context);
547	if (mCallbackList.size() > 256) /* Don't let the container size get too big! */
548	removeCtrlCallbackContext(mCallbackList.begin());
549
550	return uNewContext;
551	}
552	#endif /* VBOX_WITH_GUEST_CONTROL */
553
554	STDMETHODIMP Guest::ExecuteProcess(IN_BSTR aCommand, ULONG aFlags,
555	ComSafeArrayIn(IN_BSTR, aArguments), ComSafeArrayIn(IN_BSTR, aEnvironment),
556	IN_BSTR aStdIn, IN_BSTR aStdOut, IN_BSTR aStdErr,
557	IN_BSTR aUserName, IN_BSTR aPassword,
558	ULONG aTimeoutMS, ULONG aPID, IProgress *aProgress)
559	{
560	#ifndef VBOX_WITH_GUEST_CONTROL
561	ReturnComNotImplemented();
562	#else /* VBOX_WITH_GUEST_CONTROL */
563	using namespace guestControl;
564
565	CheckComArgStrNotEmptyOrNull(aCommand);
566	CheckComArgOutPointerValid(aPID);
567	CheckComArgOutPointerValid(aProgress);
568	if (aFlags != 0) /* Flags are not supported at the moment. */
569	return E_INVALIDARG;
570
571	HRESULT rc = S_OK;
572
573	try
574	{
575	AutoCaller autoCaller(this);
576	if (FAILED(autoCaller.rc())) return autoCaller.rc();
577
578	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
579
580	/*
581	* Create progress object.
582	*/
583	#if 0
584	ComObjPtr <Progress> progress;
585	progress.createObject();
586	HRESULT rc = progress->init(/** @todo How to get the machine here? */
587	static_cast<IGuest*>(this),
588	BstrFmt(tr("Executing process")),
589	FALSE);
590	if (FAILED(rc)) return rc;
591	#endif
592	/*
593	* Prepare process execution.
594	*/
595	int vrc = VINF_SUCCESS;
596	Utf8Str Utf8Command(aCommand);
597
598	/* Adjust timeout */
599	if (aTimeoutMS == 0)
600	aTimeoutMS = UINT32_MAX;
601
602	/* Prepare arguments. */
603	com::SafeArray<IN_BSTR> args(ComSafeArrayInArg(aArguments));
604	uint32_t uNumArgs = args.size();
605	char **papszArgv = NULL;
606	if(uNumArgs > 0)
607	{
608	papszArgv = (char*)RTMemAlloc(sizeof(char) * (uNumArgs + 1));
609	AssertPtr(papszArgv);
610	for (unsigned i = 0; RT_SUCCESS(vrc) && i < uNumArgs; i++)
611	vrc = RTStrAPrintf(&papszArgv[i], "%s", Utf8Str(args[i]).raw());
612	papszArgv[uNumArgs] = NULL;
613	}
614
615	if (RT_SUCCESS(vrc))
616	{
617	uint32_t uContextID = 0;
618
619	char *pszArgs = NULL;
620	if (uNumArgs > 0)
621	vrc = RTGetOptArgvToString(&pszArgs, papszArgv, 0);
622	if (RT_SUCCESS(vrc))
623	{
624	uint32_t cbArgs = pszArgs ? strlen(pszArgs) + 1 : 0; /* Include terminating zero. */
625
626	/* Prepare environment. */
627	com::SafeArray<IN_BSTR> env(ComSafeArrayInArg(aEnvironment));
628
629	void *pvEnv = NULL;
630	uint32_t uNumEnv = 0;
631	uint32_t cbEnv = 0;
632
633	for (unsigned i = 0; i < env.size(); i++)
634	{
635	vrc = prepareExecuteEnv(Utf8Str(env[i]).raw(), &pvEnv, &cbEnv, &uNumEnv);
636	if (RT_FAILURE(vrc))
637	break;
638	}
639
640	if (RT_SUCCESS(vrc))
641	{
642	Utf8Str Utf8StdIn(aStdIn);
643	Utf8Str Utf8StdOut(aStdOut);
644	Utf8Str Utf8StdErr(aStdErr);
645	Utf8Str Utf8UserName(aUserName);
646	Utf8Str Utf8Password(aPassword);
647
648	PHOSTEXECCALLBACKDATA pData = (HOSTEXECCALLBACKDATA*)RTMemAlloc(sizeof(HOSTEXECCALLBACKDATA));
649	AssertPtr(pData);
650	uContextID = addCtrlCallbackContext(pData, sizeof(HOSTEXECCALLBACKDATA));
651	Assert(uContextID > 0);
652
653	VBOXHGCMSVCPARM paParms[15];
654	int i = 0;
655	paParms[i++].setUInt32(uContextID);
656	paParms[i++].setPointer((void*)Utf8Command.raw(), (uint32_t)strlen(Utf8Command.raw()) + 1);
657	paParms[i++].setUInt32(aFlags);
658	paParms[i++].setUInt32(uNumArgs);
659	paParms[i++].setPointer((void*)pszArgs, cbArgs);
660	paParms[i++].setUInt32(uNumEnv);
661	paParms[i++].setUInt32(cbEnv);
662	paParms[i++].setPointer((void*)pvEnv, cbEnv);
663	paParms[i++].setPointer((void*)Utf8StdIn.raw(), (uint32_t)strlen(Utf8StdIn.raw()) + 1);
664	paParms[i++].setPointer((void*)Utf8StdOut.raw(), (uint32_t)strlen(Utf8StdOut.raw()) + 1);
665	paParms[i++].setPointer((void*)Utf8StdErr.raw(), (uint32_t)strlen(Utf8StdErr.raw()) + 1);
666	paParms[i++].setPointer((void*)Utf8UserName.raw(), (uint32_t)strlen(Utf8UserName.raw()) + 1);
667	paParms[i++].setPointer((void*)Utf8Password.raw(), (uint32_t)strlen(Utf8Password.raw()) + 1);
668	paParms[i++].setUInt32(aTimeoutMS);
669
670	/* Forward the information to the VMM device. */
671	AssertPtr(mParent);
672	VMMDev *vmmDev = mParent->getVMMDev();
673	if (vmmDev)
674	{
675	LogFlowFunc(("hgcmHostCall numParms=%d\n", i));
676	vrc = vmmDev->hgcmHostCall("VBoxGuestControlSvc", HOST_EXEC_CMD,
677	i, paParms);
678	}
679	RTMemFree(pvEnv);
680	}
681	RTStrFree(pszArgs);
682	}
683	if (RT_SUCCESS(vrc))
684	{
685	LogFlowFunc(("Waiting for HGCM callback (timeout=%ldms) ...\n", aTimeoutMS));
686
687	/*
688	* Wait for the HGCM low level callback until the process
689	* has been started (or something went wrong). This is necessary to
690	* get the PID.
691	*/
692	CallbackListIter it = getCtrlCallbackContext(uContextID);
693	uint64_t u64Started = RTTimeMilliTS();
694	do
695	{
696	unsigned cMsWait;
697	if (aTimeoutMS == RT_INDEFINITE_WAIT)
698	cMsWait = 1000;
699	else
700	{
701	uint64_t cMsElapsed = RTTimeMilliTS() - u64Started;
702	if (cMsElapsed >= aTimeoutMS)
703	break; /* timed out */
704	cMsWait = RT_MIN(1000, aTimeoutMS - (uint32_t)cMsElapsed);
705	}
706	RTThreadSleep(100);
707	} while (it != mCallbackList.end() && !it->bCalled);
708
709	/* Did we get some status? */
710	PHOSTEXECCALLBACKDATA pData = (HOSTEXECCALLBACKDATA*)it->pvData;
711	Assert(it->cbData == sizeof(HOSTEXECCALLBACKDATA));
712	AssertPtr(pData);
713	if (it->bCalled)
714	{
715	switch (pData->u32Status)
716	{
717	case PROC_STS_STARTED:
718	*aPID = pData->u32PID;
719	break;
720
721	case PROC_STS_ERROR:
722	vrc = pData->u32Flags; /* u32Flags member contains IPRT error code. */
723	break;
724
725	default:
726	vrc = VERR_INVALID_PARAMETER;
727	break;
728	}
729	}
730	else /* If callback not called within time ... well, that's a timeout! */
731	vrc = VERR_TIMEOUT;
732	removeCtrlCallbackContext(it);
733
734	if (RT_FAILURE(vrc))
735	{
736	if (vrc == VERR_FILE_NOT_FOUND) /* This is the most likely error. */
737	{
738	rc = setError(VBOX_E_IPRT_ERROR,
739	tr("The file \"%s\" was not found on guest"), Utf8Command.raw());
740	}
741	else if (vrc == VERR_BAD_EXE_FORMAT)
742	{
743	rc = setError(VBOX_E_IPRT_ERROR,
744	tr("The file \"%s\" is not an executable format on guest"), Utf8Command.raw());
745	}
746	else if (vrc == VERR_TIMEOUT)
747	{
748	rc = setError(VBOX_E_IPRT_ERROR,
749	tr("The guest did not respond within time (%ums)"), aTimeoutMS);
750	}
751	else
752	{
753	rc = setError(E_UNEXPECTED,
754	tr("The service call failed with the error %Rrc"), vrc);
755	}
756	}
757	#if 0
758	progress.queryInterfaceTo(aProgress);
759	#endif
760	}
761	else
762	{
763	/* HGCM call went wrong. */
764	rc = setError(E_UNEXPECTED,
765	tr("The service call failed with error %Rrc"), vrc);
766	}
767
768	for (unsigned i = 0; i < uNumArgs; i++)
769	RTMemFree(papszArgv[i]);
770	RTMemFree(papszArgv);
771	}
772	}
773	catch (std::bad_alloc &)
774	{
775	rc = E_OUTOFMEMORY;
776	}
777	return rc;
778	#endif /* VBOX_WITH_GUEST_CONTROL */
779	}
780
781	// public methods only for internal purposes
782	/////////////////////////////////////////////////////////////////////////////
783
784	void Guest::setAdditionsVersion(Bstr aVersion, VBOXOSTYPE aOsType)
785	{
786	AutoCaller autoCaller(this);
787	AssertComRCReturnVoid (autoCaller.rc());
788
789	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
790
791	mData.mAdditionsVersion = aVersion;
792	mData.mAdditionsActive = !aVersion.isEmpty();
793	/* Older Additions didn't have this finer grained capability bit,
794	* so enable it by default. Newer Additions will disable it immediately
795	* if relevant. */
796	mData.mSupportsGraphics = mData.mAdditionsActive;
797
798	mData.mOSTypeId = Global::OSTypeId (aOsType);
799	}
800
801	void Guest::setSupportsSeamless (BOOL aSupportsSeamless)
802	{
803	AutoCaller autoCaller(this);
804	AssertComRCReturnVoid (autoCaller.rc());
805
806	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
807
808	mData.mSupportsSeamless = aSupportsSeamless;
809	}
810
811	void Guest::setSupportsGraphics (BOOL aSupportsGraphics)
812	{
813	AutoCaller autoCaller(this);
814	AssertComRCReturnVoid (autoCaller.rc());
815
816	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
817
818	mData.mSupportsGraphics = aSupportsGraphics;
819	}
820	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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

source: vbox/trunk/src/VBox/Main/GuestImpl.cpp@ 28345

Download in other formats: