GuestImpl.cpp@ 29853

Last change on this file since 29853 was 29807, checked in by vboxsync, 15 years ago
Guest Control/IPRT/VBoxManage: More gentle error messages, bug fix for process lookup with different user, correct return value of process start error.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 48.0 KB

Line
1	/* $Id: GuestImpl.cpp 29807 2010-05-26 10:13:20Z 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_DISCONNECTED)
487	{
488	LogFlowFunc(("GUEST_DISCONNECTED\n"));
489
490	PCALLBACKDATACLIENTDISCONNECTED pCBData = reinterpret_cast<PCALLBACKDATACLIENTDISCONNECTED>(pvParms);
491	AssertPtr(pCBData);
492	AssertReturn(sizeof(CALLBACKDATACLIENTDISCONNECTED) == cbParms, VERR_INVALID_PARAMETER);
493	AssertReturn(CALLBACKDATAMAGICCLIENTDISCONNECTED == pCBData->hdr.u32Magic, VERR_INVALID_PARAMETER);
494
495	rc = pGuest->notifyCtrlClientDisconnected(u32Function, pCBData);
496	}
497	else if (u32Function == GUEST_EXEC_SEND_STATUS)
498	{
499	LogFlowFunc(("GUEST_EXEC_SEND_STATUS\n"));
500
501	PCALLBACKDATAEXECSTATUS pCBData = reinterpret_cast<PCALLBACKDATAEXECSTATUS>(pvParms);
502	AssertPtr(pCBData);
503	AssertReturn(sizeof(CALLBACKDATAEXECSTATUS) == cbParms, VERR_INVALID_PARAMETER);
504	AssertReturn(CALLBACKDATAMAGICEXECSTATUS == pCBData->hdr.u32Magic, VERR_INVALID_PARAMETER);
505
506	rc = pGuest->notifyCtrlExecStatus(u32Function, pCBData);
507	}
508	else if (u32Function == GUEST_EXEC_SEND_OUTPUT)
509	{
510	LogFlowFunc(("GUEST_EXEC_SEND_OUTPUT\n"));
511
512	PCALLBACKDATAEXECOUT pCBData = reinterpret_cast<PCALLBACKDATAEXECOUT>(pvParms);
513	AssertPtr(pCBData);
514	AssertReturn(sizeof(CALLBACKDATAEXECOUT) == cbParms, VERR_INVALID_PARAMETER);
515	AssertReturn(CALLBACKDATAMAGICEXECOUT == pCBData->hdr.u32Magic, VERR_INVALID_PARAMETER);
516
517	rc = pGuest->notifyCtrlExecOut(u32Function, pCBData);
518	}
519	else
520	rc = VERR_NOT_SUPPORTED;
521	return rc;
522	}
523
524	/* Function for handling the execution start/termination notification. */
525	int Guest::notifyCtrlExecStatus(uint32_t u32Function,
526	PCALLBACKDATAEXECSTATUS pData)
527	{
528	LogFlowFuncEnter();
529	int rc = VINF_SUCCESS;
530
531	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
532
533	AssertPtr(pData);
534	CallbackListIter it = getCtrlCallbackContextByID(pData->hdr.u32ContextID);
535
536	/* Callback can be called several times. */
537	if (it != mCallbackList.end())
538	{
539	PCALLBACKDATAEXECSTATUS pCBData = (PCALLBACKDATAEXECSTATUS)it->pvData;
540	AssertPtr(pCBData);
541
542	pCBData->u32PID = pData->u32PID;
543	pCBData->u32Status = pData->u32Status;
544	pCBData->u32Flags = pData->u32Flags;
545	/** @todo Copy void* buffer contents! */
546
547	/* Was progress canceled before? */
548	BOOL fCancelled;
549	it->pProgress->COMGETTER(Canceled)(&fCancelled);
550
551	/* Do progress handling. */
552	Utf8Str errMsg;
553	HRESULT rc2 = S_OK;
554	switch (pData->u32Status)
555	{
556	case PROC_STS_STARTED:
557	break;
558
559	case PROC_STS_TEN: /* Terminated normally. */
560	if ( !it->pProgress->getCompleted()
561	&& !fCancelled)
562	{
563	it->pProgress->notifyComplete(S_OK);
564	}
565	break;
566
567	case PROC_STS_TEA: /* Terminated abnormally. */
568	errMsg = Utf8StrFmt(Guest::tr("Process terminated abnormally with status '%u'"),
569	pCBData->u32Flags);
570	break;
571
572	case PROC_STS_TES: /* Terminated through signal. */
573	errMsg = Utf8StrFmt(Guest::tr("Process terminated via signal with status '%u'"),
574	pCBData->u32Flags);
575	break;
576
577	case PROC_STS_TOK:
578	errMsg = Utf8StrFmt(Guest::tr("Process timed out and was killed"));
579	break;
580
581	case PROC_STS_TOA:
582	errMsg = Utf8StrFmt(Guest::tr("Process timed out and could not be killed"));
583	break;
584
585	case PROC_STS_DWN:
586	errMsg = Utf8StrFmt(Guest::tr("Process exited because system is shutting down"));
587	break;
588
589	default:
590	break;
591	}
592
593	/* Handle process list. */
594	/** @todo What happens on/deal with PID reuse? */
595	/** @todo How to deal with multiple updates at once? */
596	GuestProcessIter it_proc = getProcessByPID(pCBData->u32PID);
597	if (it_proc == mGuestProcessList.end())
598	{
599	/* Not found, add to list. */
600	GuestProcess p;
601	p.mPID = pCBData->u32PID;
602	p.mStatus = pCBData->u32Status;
603	p.mExitCode = pCBData->u32Flags; /* Contains exit code. */
604	p.mFlags = 0;
605
606	mGuestProcessList.push_back(p);
607	}
608	else /* Update list. */
609	{
610	it_proc->mStatus = pCBData->u32Status;
611	it_proc->mExitCode = pCBData->u32Flags; /* Contains exit code. */
612	it_proc->mFlags = 0;
613	}
614
615	if ( !it->pProgress.isNull()
616	&& errMsg.length())
617	{
618	if ( !it->pProgress->getCompleted()
619	&& !fCancelled)
620	{
621	it->pProgress->notifyComplete(E_FAIL /** @todo Find a better rc! */, COM_IIDOF(IGuest),
622	(CBSTR)Guest::getComponentName(), errMsg.c_str());
623	LogFlowFunc(("Callback (context ID=%u, status=%u) progress marked as completed\n",
624	pData->hdr.u32ContextID, pData->u32Status));
625	}
626	else
627	LogFlowFunc(("Callback (context ID=%u, status=%u) progress already marked as completed\n",
628	pData->hdr.u32ContextID, pData->u32Status));
629	}
630	ASMAtomicWriteBool(&it->fCalled, true);
631	}
632	else
633	LogFlowFunc(("Unexpected callback (magic=%u, context ID=%u) arrived\n", pData->hdr.u32Magic, pData->hdr.u32ContextID));
634	LogFlowFuncLeave();
635	return rc;
636	}
637
638	/* Function for handling the execution output notification. */
639	int Guest::notifyCtrlExecOut(uint32_t u32Function,
640	PCALLBACKDATAEXECOUT pData)
641	{
642	LogFlowFuncEnter();
643	int rc = VINF_SUCCESS;
644
645	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
646
647	AssertPtr(pData);
648	CallbackListIter it = getCtrlCallbackContextByID(pData->hdr.u32ContextID);
649	if (it != mCallbackList.end())
650	{
651	Assert(!it->fCalled);
652	PCALLBACKDATAEXECOUT pCBData = (CALLBACKDATAEXECOUT*)it->pvData;
653	AssertPtr(pCBData);
654
655	pCBData->u32PID = pData->u32PID;
656	pCBData->u32HandleId = pData->u32HandleId;
657	pCBData->u32Flags = pData->u32Flags;
658
659	/* Make sure we really got something! */
660	if ( pData->cbData
661	&& pData->pvData)
662	{
663	/* Allocate data buffer and copy it */
664	pCBData->pvData = RTMemAlloc(pData->cbData);
665	pCBData->cbData = pData->cbData;
666
667	AssertReturn(pCBData->pvData, VERR_NO_MEMORY);
668	memcpy(pCBData->pvData, pData->pvData, pData->cbData);
669	}
670	else
671	{
672	pCBData->pvData = NULL;
673	pCBData->cbData = 0;
674	}
675	ASMAtomicWriteBool(&it->fCalled, true);
676	}
677	else
678	LogFlowFunc(("Unexpected callback (magic=%u, context ID=%u) arrived\n", pData->hdr.u32Magic, pData->hdr.u32ContextID));
679	LogFlowFuncLeave();
680	return rc;
681	}
682
683	int Guest::notifyCtrlClientDisconnected(uint32_t u32Function,
684	PCALLBACKDATACLIENTDISCONNECTED pData)
685	{
686	LogFlowFuncEnter();
687	int rc = VINF_SUCCESS;
688
689	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
690
691	/** @todo Maybe use a map instead of list for fast context lookup. */
692	CallbackListIter it;
693	for (it = mCallbackList.begin(); it != mCallbackList.end(); it++)
694	{
695	if (it->mContextID == pData->hdr.u32ContextID)
696	destroyCtrlCallbackContext(it);
697	}
698
699	LogFlowFuncLeave();
700	return rc;
701	}
702
703	Guest::CallbackListIter Guest::getCtrlCallbackContextByID(uint32_t u32ContextID)
704	{
705	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
706
707	/** @todo Maybe use a map instead of list for fast context lookup. */
708	CallbackListIter it;
709	for (it = mCallbackList.begin(); it != mCallbackList.end(); it++)
710	{
711	if (it->mContextID == u32ContextID)
712	return (it);
713	}
714	return it;
715	}
716
717	Guest::GuestProcessIter Guest::getProcessByPID(uint32_t u32PID)
718	{
719	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
720
721	/** @todo Maybe use a map instead of list for fast context lookup. */
722	GuestProcessIter it;
723	for (it = mGuestProcessList.begin(); it != mGuestProcessList.end(); it++)
724	{
725	if (it->mPID == u32PID)
726	return (it);
727	}
728	return it;
729	}
730
731	/* No locking here; */
732	void Guest::destroyCtrlCallbackContext(Guest::CallbackListIter it)
733	{
734	LogFlowFuncEnter();
735	if (it->pvData)
736	{
737	RTMemFree(it->pvData);
738	it->pvData = NULL;
739	it->cbData = 0;
740	}
741
742	/* Notify outstanding waits for progress ... */
743	if (it->pProgress && !it->pProgress.isNull())
744	{
745	/* Only cancel if not canceled before! */
746	BOOL fCancelled;
747	if (SUCCEEDED(it->pProgress->COMGETTER(Canceled)(&fCancelled)) && !fCancelled)
748	it->pProgress->Cancel();
749	/*
750	* Do *not NULL pProgress here, because waiting function like executeProcess()
751	* will still rely on this object for checking whether they have to give up!
752	*/
753	}
754	LogFlowFuncLeave();
755	}
756
757	/* Adds a callback with a user provided data block and an optional progress object
758	* to the callback list. A callback is identified by a unique context ID which is used
759	* to identify a callback from the guest side. */
760	uint32_t Guest::addCtrlCallbackContext(eVBoxGuestCtrlCallbackType enmType, void pvData, uint32_t cbData, Progress pProgress)
761	{
762	LogFlowFuncEnter();
763	uint32_t uNewContext = ASMAtomicIncU32(&mNextContextID);
764	if (uNewContext == UINT32_MAX)
765	ASMAtomicUoWriteU32(&mNextContextID, 1000);
766
767	/** @todo Put this stuff into a constructor! */
768	CallbackContext context;
769	context.mContextID = uNewContext;
770	context.mType = enmType;
771	context.fCalled = false;
772	context.pvData = pvData;
773	context.cbData = cbData;
774	context.pProgress = pProgress;
775
776	uint32_t nCallbacks;
777	{
778	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
779	mCallbackList.push_back(context);
780	nCallbacks = mCallbackList.size();
781	}
782
783	#if 0
784	if (nCallbacks > 256) /* Don't let the container size get too big! */
785	{
786	Guest::CallbackListIter it = mCallbackList.begin();
787	destroyCtrlCallbackContext(it);
788	{
789	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
790	mCallbackList.erase(it);
791	}
792	}
793	#endif
794
795	LogFlowFuncLeave();
796	return uNewContext;
797	}
798	#endif /* VBOX_WITH_GUEST_CONTROL */
799
800	STDMETHODIMP Guest::ExecuteProcess(IN_BSTR aCommand, ULONG aFlags,
801	ComSafeArrayIn(IN_BSTR, aArguments), ComSafeArrayIn(IN_BSTR, aEnvironment),
802	IN_BSTR aUserName, IN_BSTR aPassword,
803	ULONG aTimeoutMS, ULONG aPID, IProgress *aProgress)
804	{
805	#ifndef VBOX_WITH_GUEST_CONTROL
806	ReturnComNotImplemented();
807	#else /* VBOX_WITH_GUEST_CONTROL */
808	using namespace guestControl;
809
810	CheckComArgStrNotEmptyOrNull(aCommand);
811	CheckComArgOutPointerValid(aPID);
812	CheckComArgOutPointerValid(aProgress);
813
814	/* Do not allow anonymous executions (with system rights). */
815	if (RT_UNLIKELY((aUserName) == NULL \|\| *(aUserName) == '\0'))
816	return setError(E_INVALIDARG, tr("No user name specified"));
817
818	AutoCaller autoCaller(this);
819	if (FAILED(autoCaller.rc())) return autoCaller.rc();
820
821	if (aFlags != 0) /* Flags are not supported at the moment. */
822	return E_INVALIDARG;
823
824	HRESULT rc = S_OK;
825
826	try
827	{
828	/*
829	* Create progress object.
830	*/
831	ComObjPtr <Progress> progress;
832	rc = progress.createObject();
833	if (SUCCEEDED(rc))
834	{
835	rc = progress->init(static_cast<IGuest*>(this),
836	BstrFmt(tr("Executing process")),
837	TRUE);
838	}
839	if (FAILED(rc)) return rc;
840
841	/*
842	* Prepare process execution.
843	*/
844	int vrc = VINF_SUCCESS;
845	Utf8Str Utf8Command(aCommand);
846
847	/* Adjust timeout */
848	if (aTimeoutMS == 0)
849	aTimeoutMS = UINT32_MAX;
850
851	/* Prepare arguments. */
852	char **papszArgv = NULL;
853	uint32_t uNumArgs = 0;
854	if (aArguments > 0)
855	{
856	com::SafeArray<IN_BSTR> args(ComSafeArrayInArg(aArguments));
857	uNumArgs = args.size();
858	papszArgv = (char*)RTMemAlloc(sizeof(char) * (uNumArgs + 1));
859	AssertReturn(papszArgv, E_OUTOFMEMORY);
860	for (unsigned i = 0; RT_SUCCESS(vrc) && i < uNumArgs; i++)
861	{
862	int cbLen = RTStrAPrintf(&papszArgv[i], "%s", Utf8Str(args[i]).raw());
863	if (cbLen < 0)
864	vrc = VERR_NO_MEMORY;
865
866	}
867	papszArgv[uNumArgs] = NULL;
868	}
869
870	Utf8Str Utf8UserName(aUserName);
871	Utf8Str Utf8Password(aPassword);
872	if (RT_SUCCESS(vrc))
873	{
874	uint32_t uContextID = 0;
875
876	char *pszArgs = NULL;
877	if (uNumArgs > 0)
878	vrc = RTGetOptArgvToString(&pszArgs, papszArgv, 0);
879	if (RT_SUCCESS(vrc))
880	{
881	uint32_t cbArgs = pszArgs ? strlen(pszArgs) + 1 : 0; /* Include terminating zero. */
882
883	/* Prepare environment. */
884	void *pvEnv = NULL;
885	uint32_t uNumEnv = 0;
886	uint32_t cbEnv = 0;
887	if (aEnvironment > 0)
888	{
889	com::SafeArray<IN_BSTR> env(ComSafeArrayInArg(aEnvironment));
890
891	for (unsigned i = 0; i < env.size(); i++)
892	{
893	vrc = prepareExecuteEnv(Utf8Str(env[i]).raw(), &pvEnv, &cbEnv, &uNumEnv);
894	if (RT_FAILURE(vrc))
895	break;
896	}
897	}
898
899	if (RT_SUCCESS(vrc))
900	{
901	PCALLBACKDATAEXECSTATUS pData = (PCALLBACKDATAEXECSTATUS)RTMemAlloc(sizeof(CALLBACKDATAEXECSTATUS));
902	AssertReturn(pData, VBOX_E_IPRT_ERROR);
903	uContextID = addCtrlCallbackContext(VBOXGUESTCTRLCALLBACKTYPE_EXEC_START,
904	pData, sizeof(CALLBACKDATAEXECSTATUS), progress);
905	Assert(uContextID > 0);
906
907	VBOXHGCMSVCPARM paParms[15];
908	int i = 0;
909	paParms[i++].setUInt32(uContextID);
910	paParms[i++].setPointer((void*)Utf8Command.raw(), (uint32_t)strlen(Utf8Command.raw()) + 1);
911	paParms[i++].setUInt32(aFlags);
912	paParms[i++].setUInt32(uNumArgs);
913	paParms[i++].setPointer((void*)pszArgs, cbArgs);
914	paParms[i++].setUInt32(uNumEnv);
915	paParms[i++].setUInt32(cbEnv);
916	paParms[i++].setPointer((void*)pvEnv, cbEnv);
917	paParms[i++].setPointer((void*)Utf8UserName.raw(), (uint32_t)strlen(Utf8UserName.raw()) + 1);
918	paParms[i++].setPointer((void*)Utf8Password.raw(), (uint32_t)strlen(Utf8Password.raw()) + 1);
919	paParms[i++].setUInt32(aTimeoutMS);
920
921	VMMDev *vmmDev;
922	{
923	/* Make sure mParent is valid, so set the read lock while using.
924	* Do not keep this lock while doing the actual call, because in the meanwhile
925	* another thread could request a write lock which would be a bad idea ... */
926	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
927
928	/* Forward the information to the VMM device. */
929	AssertPtr(mParent);
930	vmmDev = mParent->getVMMDev();
931	}
932
933	if (vmmDev)
934	{
935	LogFlowFunc(("hgcmHostCall numParms=%d\n", i));
936	vrc = vmmDev->hgcmHostCall("VBoxGuestControlSvc", HOST_EXEC_CMD,
937	i, paParms);
938	}
939	else
940	vrc = VERR_INVALID_VM_HANDLE;
941	RTMemFree(pvEnv);
942	}
943	RTStrFree(pszArgs);
944	}
945	if (RT_SUCCESS(vrc))
946	{
947	LogFlowFunc(("Waiting for HGCM callback (timeout=%ldms) ...\n", aTimeoutMS));
948
949	/*
950	* Wait for the HGCM low level callback until the process
951	* has been started (or something went wrong). This is necessary to
952	* get the PID.
953	*/
954	CallbackListIter it = getCtrlCallbackContextByID(uContextID);
955	BOOL fCanceled = FALSE;
956	if (it != mCallbackList.end())
957	{
958	uint64_t u64Started = RTTimeMilliTS();
959	while (!it->fCalled)
960	{
961	/* Check for timeout. */
962	unsigned cMsWait;
963	if (aTimeoutMS == RT_INDEFINITE_WAIT)
964	cMsWait = 10;
965	else
966	{
967	uint64_t cMsElapsed = RTTimeMilliTS() - u64Started;
968	if (cMsElapsed >= aTimeoutMS)
969	break; /* Timed out. */
970	cMsWait = RT_MIN(10, aTimeoutMS - (uint32_t)cMsElapsed);
971	}
972
973	/* Check for manual stop. */
974	if (!it->pProgress.isNull())
975	{
976	rc = it->pProgress->COMGETTER(Canceled)(&fCanceled);
977	if (FAILED(rc)) throw rc;
978	if (fCanceled)
979	break; /* Client wants to abort. */
980	}
981	RTThreadSleep(cMsWait);
982	}
983	}
984
985	/* Was the whole thing canceled? */
986	if (!fCanceled)
987	{
988	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
989
990	PCALLBACKDATAEXECSTATUS pData = (PCALLBACKDATAEXECSTATUS)it->pvData;
991	Assert(it->cbData == sizeof(CALLBACKDATAEXECSTATUS));
992	AssertPtr(pData);
993
994	if (it->fCalled)
995	{
996	/* Did we get some status? */
997	switch (pData->u32Status)
998	{
999	case PROC_STS_STARTED:
1000	/* Process is (still) running; get PID. */
1001	*aPID = pData->u32PID;
1002	break;
1003
1004	/* In any other case the process either already
1005	* terminated or something else went wrong, so no PID ... */
1006	case PROC_STS_TEN: /* Terminated normally. */
1007	case PROC_STS_TEA: /* Terminated abnormally. */
1008	case PROC_STS_TES: /* Terminated through signal. */
1009	case PROC_STS_TOK:
1010	case PROC_STS_TOA:
1011	case PROC_STS_DWN:
1012	/*
1013	* Process (already) ended, but we want to get the
1014	* PID anyway to retrieve the output in a later call.
1015	*/
1016	*aPID = pData->u32PID;
1017	break;
1018
1019	case PROC_STS_ERROR:
1020	vrc = pData->u32Flags; /* u32Flags member contains IPRT error code. */
1021	break;
1022
1023	default:
1024	vrc = VERR_INVALID_PARAMETER; /* Unknown status, should never happen! */
1025	break;
1026	}
1027	}
1028	else /* If callback not called within time ... well, that's a timeout! */
1029	vrc = VERR_TIMEOUT;
1030
1031	/*
1032	* Do not remove the callback yet - we might wait with the IProgress object on something
1033	* else (like end of process) ...
1034	*/
1035	if (RT_FAILURE(vrc))
1036	{
1037	if (vrc == VERR_FILE_NOT_FOUND) /* This is the most likely error. */
1038	{
1039	rc = setError(VBOX_E_IPRT_ERROR,
1040	tr("The file '%s' was not found on guest"), Utf8Command.raw());
1041	}
1042	else if (vrc == VERR_PATH_NOT_FOUND)
1043	{
1044	rc = setError(VBOX_E_IPRT_ERROR,
1045	tr("The path to file '%s' was not found on guest"), Utf8Command.raw());
1046	}
1047	else if (vrc == VERR_BAD_EXE_FORMAT)
1048	{
1049	rc = setError(VBOX_E_IPRT_ERROR,
1050	tr("The file '%s' is not an executable format on guest"), Utf8Command.raw());
1051	}
1052	else if (vrc == VERR_LOGON_FAILURE)
1053	{
1054	rc = setError(VBOX_E_IPRT_ERROR,
1055	tr("The specified user '%s' was not able to logon on guest"), Utf8UserName.raw());
1056	}
1057	else if (vrc == VERR_TIMEOUT)
1058	{
1059	rc = setError(VBOX_E_IPRT_ERROR,
1060	tr("The guest did not respond within time (%ums)"), aTimeoutMS);
1061	}
1062	else if (vrc == VERR_PERMISSION_DENIED)
1063	{
1064	rc = setError(VBOX_E_IPRT_ERROR,
1065	tr("Invalid user/password credentials"));
1066	}
1067	else
1068	{
1069	if (pData->u32Status == PROC_STS_ERROR)
1070	rc = setError(VBOX_E_IPRT_ERROR,
1071	tr("Process could not be started: %Rrc"), pData->u32Flags);
1072	else
1073	rc = setError(E_UNEXPECTED,
1074	tr("The service call failed with error %Rrc"), vrc);
1075	}
1076	}
1077	else /* Execution went fine. */
1078	{
1079	/* Return the progress to the caller. */
1080	progress.queryInterfaceTo(aProgress);
1081	}
1082	}
1083	else /* Operation was canceled. */
1084	{
1085	rc = setError(VBOX_E_IPRT_ERROR,
1086	tr("The operation was canceled"));
1087	}
1088	}
1089	else /* HGCM related error codes .*/
1090	{
1091	if (vrc == VERR_INVALID_VM_HANDLE)
1092	{
1093	rc = setError(VBOX_E_VM_ERROR,
1094	tr("VMM device is not available (is the VM running?)"));
1095	}
1096	else if (vrc == VERR_TIMEOUT)
1097	{
1098	rc = setError(VBOX_E_VM_ERROR,
1099	tr("The guest execution service is not ready"));
1100	}
1101	else /* HGCM call went wrong. */
1102	{
1103	rc = setError(E_UNEXPECTED,
1104	tr("The HGCM call failed with error %Rrc"), vrc);
1105	}
1106	}
1107
1108	for (unsigned i = 0; i < uNumArgs; i++)
1109	RTMemFree(papszArgv[i]);
1110	RTMemFree(papszArgv);
1111	}
1112	}
1113	catch (std::bad_alloc &)
1114	{
1115	rc = E_OUTOFMEMORY;
1116	}
1117	return rc;
1118	#endif /* VBOX_WITH_GUEST_CONTROL */
1119	}
1120
1121	STDMETHODIMP Guest::GetProcessOutput(ULONG aPID, ULONG aFlags, ULONG aTimeoutMS, ULONG64 aSize, ComSafeArrayOut(BYTE, aData))
1122	{
1123	#ifndef VBOX_WITH_GUEST_CONTROL
1124	ReturnComNotImplemented();
1125	#else /* VBOX_WITH_GUEST_CONTROL */
1126	using namespace guestControl;
1127
1128	CheckComArgExpr(aPID, aPID > 0);
1129
1130	if (aFlags != 0) /* Flags are not supported at the moment. */
1131	return E_INVALIDARG;
1132
1133	AutoCaller autoCaller(this);
1134	if (FAILED(autoCaller.rc())) return autoCaller.rc();
1135
1136	HRESULT rc = S_OK;
1137
1138	try
1139	{
1140	/*
1141	* Create progress object.
1142	* Note that we need at least a local progress object here in order
1143	* to get notified when someone cancels the operation.
1144	*/
1145	ComObjPtr <Progress> progress;
1146	rc = progress.createObject();
1147	if (SUCCEEDED(rc))
1148	{
1149	rc = progress->init(static_cast<IGuest*>(this),
1150	BstrFmt(tr("Getting output of process")),
1151	TRUE);
1152	}
1153	if (FAILED(rc)) return rc;
1154
1155	/* Adjust timeout */
1156	if (aTimeoutMS == 0)
1157	aTimeoutMS = UINT32_MAX;
1158
1159	/* Search for existing PID. */
1160	PCALLBACKDATAEXECOUT pData = (CALLBACKDATAEXECOUT*)RTMemAlloc(sizeof(CALLBACKDATAEXECOUT));
1161	AssertReturn(pData, VBOX_E_IPRT_ERROR);
1162	uint32_t uContextID = addCtrlCallbackContext(VBOXGUESTCTRLCALLBACKTYPE_EXEC_OUTPUT,
1163	pData, sizeof(CALLBACKDATAEXECOUT), progress);
1164	Assert(uContextID > 0);
1165
1166	size_t cbData = (size_t)RT_MIN(aSize, _64K);
1167	com::SafeArray<BYTE> outputData(cbData);
1168
1169	VBOXHGCMSVCPARM paParms[5];
1170	int i = 0;
1171	paParms[i++].setUInt32(uContextID);
1172	paParms[i++].setUInt32(aPID);
1173	paParms[i++].setUInt32(aFlags); /** @todo Should represent stdout and/or stderr. */
1174
1175	int vrc = VINF_SUCCESS;
1176
1177	{
1178	VMMDev *vmmDev;
1179	{
1180	/* Make sure mParent is valid, so set the read lock while using.
1181	* Do not keep this lock while doing the actual call, because in the meanwhile
1182	* another thread could request a write lock which would be a bad idea ... */
1183	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1184
1185	/* Forward the information to the VMM device. */
1186	AssertPtr(mParent);
1187	vmmDev = mParent->getVMMDev();
1188	}
1189
1190	if (vmmDev)
1191	{
1192	LogFlowFunc(("hgcmHostCall numParms=%d\n", i));
1193	vrc = vmmDev->hgcmHostCall("VBoxGuestControlSvc", HOST_EXEC_GET_OUTPUT,
1194	i, paParms);
1195	}
1196	}
1197
1198	if (RT_SUCCESS(vrc))
1199	{
1200	LogFlowFunc(("Waiting for HGCM callback (timeout=%ldms) ...\n", aTimeoutMS));
1201
1202	/*
1203	* Wait for the HGCM low level callback until the process
1204	* has been started (or something went wrong). This is necessary to
1205	* get the PID.
1206	*/
1207	CallbackListIter it = getCtrlCallbackContextByID(uContextID);
1208	BOOL fCanceled = FALSE;
1209	if (it != mCallbackList.end())
1210	{
1211	uint64_t u64Started = RTTimeMilliTS();
1212	while (!it->fCalled)
1213	{
1214	/* Check for timeout. */
1215	unsigned cMsWait;
1216	if (aTimeoutMS == RT_INDEFINITE_WAIT)
1217	cMsWait = 10;
1218	else
1219	{
1220	uint64_t cMsElapsed = RTTimeMilliTS() - u64Started;
1221	if (cMsElapsed >= aTimeoutMS)
1222	break; /* Timed out. */
1223	cMsWait = RT_MIN(10, aTimeoutMS - (uint32_t)cMsElapsed);
1224	}
1225
1226	/* Check for manual stop. */
1227	if (!it->pProgress.isNull())
1228	{
1229	rc = it->pProgress->COMGETTER(Canceled)(&fCanceled);
1230	if (FAILED(rc)) throw rc;
1231	if (fCanceled)
1232	break; /* Client wants to abort. */
1233	}
1234	RTThreadSleep(cMsWait);
1235	}
1236
1237	/* Was the whole thing canceled? */
1238	if (!fCanceled)
1239	{
1240	if (it->fCalled)
1241	{
1242	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1243
1244	/* Did we get some output? */
1245	pData = (PCALLBACKDATAEXECOUT)it->pvData;
1246	Assert(it->cbData == sizeof(CALLBACKDATAEXECOUT));
1247	AssertPtr(pData);
1248
1249	if (pData->cbData)
1250	{
1251	/* Do we need to resize the array? */
1252	if (pData->cbData > cbData)
1253	outputData.resize(pData->cbData);
1254
1255	/* Fill output in supplied out buffer. */
1256	memcpy(outputData.raw(), pData->pvData, pData->cbData);
1257	outputData.resize(pData->cbData); /* Shrink to fit actual buffer size. */
1258	}
1259	else
1260	vrc = VERR_NO_DATA; /* This is not an error we want to report to COM. */
1261	}
1262	else /* If callback not called within time ... well, that's a timeout! */
1263	vrc = VERR_TIMEOUT;
1264	}
1265	else /* Operation was canceled. */
1266	vrc = VERR_CANCELLED;
1267
1268	if (RT_FAILURE(vrc))
1269	{
1270	if (vrc == VERR_NO_DATA)
1271	{
1272	/* This is not an error we want to report to COM. */
1273	}
1274	else if (vrc == VERR_TIMEOUT)
1275	{
1276	rc = setError(VBOX_E_IPRT_ERROR,
1277	tr("The guest did not output within time (%ums)"), aTimeoutMS);
1278	}
1279	else if (vrc == VERR_CANCELLED)
1280	{
1281	rc = setError(VBOX_E_IPRT_ERROR,
1282	tr("The operation was canceled"));
1283	}
1284	else
1285	{
1286	rc = setError(E_UNEXPECTED,
1287	tr("The service call failed with error %Rrc"), vrc);
1288	}
1289	}
1290
1291	{
1292	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1293	destroyCtrlCallbackContext(it);
1294	}
1295	}
1296	else /* PID lookup failed. */
1297	rc = setError(VBOX_E_IPRT_ERROR,
1298	tr("Process (PID %u) not found!"), aPID);
1299	}
1300	else /* HGCM operation failed. */
1301	rc = setError(E_UNEXPECTED,
1302	tr("The HGCM call failed with error %Rrc"), vrc);
1303
1304	/* Cleanup. */
1305	progress->uninit();
1306	progress.setNull();
1307
1308	/* If something failed (or there simply was no data, indicated by VERR_NO_DATA,
1309	* we return an empty array so that the frontend knows when to give up. */
1310	if (RT_FAILURE(vrc) \|\| FAILED(rc))
1311	outputData.resize(0);
1312	outputData.detachTo(ComSafeArrayOutArg(aData));
1313	}
1314	catch (std::bad_alloc &)
1315	{
1316	rc = E_OUTOFMEMORY;
1317	}
1318	return rc;
1319	#endif
1320	}
1321
1322	STDMETHODIMP Guest::GetProcessStatus(ULONG aPID, ULONG aExitCode, ULONG aFlags, ULONG *aStatus)
1323	{
1324	#ifndef VBOX_WITH_GUEST_CONTROL
1325	ReturnComNotImplemented();
1326	#else /* VBOX_WITH_GUEST_CONTROL */
1327	using namespace guestControl;
1328
1329	AutoCaller autoCaller(this);
1330	if (FAILED(autoCaller.rc())) return autoCaller.rc();
1331
1332	HRESULT rc = S_OK;
1333
1334	try
1335	{
1336	AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
1337
1338	GuestProcessIterConst it;
1339	for (it = mGuestProcessList.begin(); it != mGuestProcessList.end(); it++)
1340	{
1341	if (it->mPID == aPID)
1342	break;
1343	}
1344
1345	if (it != mGuestProcessList.end())
1346	{
1347	*aExitCode = it->mExitCode;
1348	*aFlags = it->mFlags;
1349	*aStatus = it->mStatus;
1350	}
1351	else
1352	rc = setError(VBOX_E_IPRT_ERROR,
1353	tr("Process (PID %u) not found!"), aPID);
1354	}
1355	catch (std::bad_alloc &)
1356	{
1357	rc = E_OUTOFMEMORY;
1358	}
1359	return rc;
1360	#endif
1361	}
1362
1363	// public methods only for internal purposes
1364	/////////////////////////////////////////////////////////////////////////////
1365
1366	void Guest::setAdditionsVersion(Bstr aVersion, VBOXOSTYPE aOsType)
1367	{
1368	AutoCaller autoCaller(this);
1369	AssertComRCReturnVoid (autoCaller.rc());
1370
1371	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1372
1373	mData.mAdditionsVersion = aVersion;
1374	mData.mAdditionsActive = !aVersion.isEmpty();
1375	/* Older Additions didn't have this finer grained capability bit,
1376	* so enable it by default. Newer Additions will disable it immediately
1377	* if relevant. */
1378	mData.mSupportsGraphics = mData.mAdditionsActive;
1379
1380	mData.mOSTypeId = Global::OSTypeId (aOsType);
1381	}
1382
1383	void Guest::setSupportsSeamless (BOOL aSupportsSeamless)
1384	{
1385	AutoCaller autoCaller(this);
1386	AssertComRCReturnVoid (autoCaller.rc());
1387
1388	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1389
1390	mData.mSupportsSeamless = aSupportsSeamless;
1391	}
1392
1393	void Guest::setSupportsGraphics (BOOL aSupportsGraphics)
1394	{
1395	AutoCaller autoCaller(this);
1396	AssertComRCReturnVoid (autoCaller.rc());
1397
1398	AutoWriteLock alock(this COMMA_LOCKVAL_SRC_POS);
1399
1400	mData.mSupportsGraphics = aSupportsGraphics;
1401	}
1402	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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source: vbox/trunk/src/VBox/Main/GuestImpl.cpp@ 29853

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