VBoxModAPIMonitor.cpp@ 99685

Last change on this file since 99685 was 98103, checked in by vboxsync, 2 years ago
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1	/* $Id: VBoxModAPIMonitor.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
2	/** @file
3	* VBoxModAPIMonitor - API monitor module for detecting host isolation.
4	*/
5
6	/*
7	* Copyright (C) 2012-2023 Oracle and/or its affiliates.
8	*
9	* This file is part of VirtualBox base platform packages, as
10	* available from https://www.virtualbox.org.
11	*
12	* This program is free software; you can redistribute it and/or
13	* modify it under the terms of the GNU General Public License
14	* as published by the Free Software Foundation, in version 3 of the
15	* License.
16	*
17	* This program is distributed in the hope that it will be useful, but
18	* WITHOUT ANY WARRANTY; without even the implied warranty of
19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20	* General Public License for more details.
21	*
22	* You should have received a copy of the GNU General Public License
23	* along with this program; if not, see <https://www.gnu.org/licenses>.
24	*
25	* SPDX-License-Identifier: GPL-3.0-only
26	*/
27
28
29	/*********************************************************************************************************************************
30	* Header Files *
31	*********************************************************************************************************************************/
32	#ifndef VBOX_ONLY_DOCS
33	# include <iprt/message.h>
34	# include <VBox/com/errorprint.h>
35	#endif /* !VBOX_ONLY_DOCS */
36
37	#include "VBoxWatchdogInternal.h"
38
39	using namespace com;
40
41	#define VBOX_MOD_APIMON_NAME "apimon"
42
43	/**
44	* The module's RTGetOpt-IDs for the command line.
45	*/
46	enum GETOPTDEF_APIMON
47	{
48	GETOPTDEF_APIMON_GROUPS = 3000,
49	GETOPTDEF_APIMON_ISLN_RESPONSE,
50	GETOPTDEF_APIMON_ISLN_TIMEOUT,
51	GETOPTDEF_APIMON_RESP_TIMEOUT
52	};
53
54	/**
55	* The module's command line arguments.
56	*/
57	static const RTGETOPTDEF g_aAPIMonitorOpts[] = {
58	{ "--apimon-groups", GETOPTDEF_APIMON_GROUPS, RTGETOPT_REQ_STRING },
59	{ "--apimon-isln-response", GETOPTDEF_APIMON_ISLN_RESPONSE, RTGETOPT_REQ_STRING },
60	{ "--apimon-isln-timeout", GETOPTDEF_APIMON_ISLN_TIMEOUT, RTGETOPT_REQ_UINT32 },
61	{ "--apimon-resp-timeout", GETOPTDEF_APIMON_RESP_TIMEOUT, RTGETOPT_REQ_UINT32 }
62	};
63
64	enum APIMON_RESPONSE
65	{
66	/** Unknown / unhandled response. */
67	APIMON_RESPONSE_NONE = 0,
68	/** Pauses the VM execution. */
69	APIMON_RESPONSE_PAUSE = 10,
70	/** Does a hard power off. */
71	APIMON_RESPONSE_POWEROFF = 200,
72	/** Tries to save the current machine state. */
73	APIMON_RESPONSE_SAVE = 250,
74	/** Tries to shut down all running VMs in
75	* a gentle manner. */
76	APIMON_RESPONSE_SHUTDOWN = 300
77	};
78
79	/** The VM group(s) the API monitor handles. If none, all VMs get handled. */
80	static mapGroups g_vecAPIMonGroups; /** @todo Move this into module payload! */
81	static APIMON_RESPONSE g_enmAPIMonIslnResp = APIMON_RESPONSE_NONE;
82	static uint32_t g_cMsAPIMonIslnTimeout = 0;
83	static Bstr g_strAPIMonIslnLastBeat;
84	static uint32_t g_cMsAPIMonResponseTimeout = 0;
85	static uint64_t g_uAPIMonIslnLastBeatMS = 0;
86
87	static int apimonResponseToEnum(const char pszResponse, APIMON_RESPONSE pResp)
88	{
89	AssertPtrReturn(pszResponse, VERR_INVALID_POINTER);
90	AssertPtrReturn(pResp, VERR_INVALID_POINTER);
91
92	int rc = VINF_SUCCESS;
93	if (!RTStrICmp(pszResponse, "none"))
94	{
95	*pResp = APIMON_RESPONSE_NONE;
96	}
97	else if (!RTStrICmp(pszResponse, "pause"))
98	{
99	*pResp = APIMON_RESPONSE_PAUSE;
100	}
101	else if ( !RTStrICmp(pszResponse, "poweroff")
102	\|\| !RTStrICmp(pszResponse, "powerdown"))
103	{
104	*pResp = APIMON_RESPONSE_POWEROFF;
105	}
106	else if (!RTStrICmp(pszResponse, "save"))
107	{
108	*pResp = APIMON_RESPONSE_SAVE;
109	}
110	else if ( !RTStrICmp(pszResponse, "shutdown")
111	\|\| !RTStrICmp(pszResponse, "shutoff"))
112	{
113	*pResp = APIMON_RESPONSE_SHUTDOWN;
114	}
115	else
116	{
117	*pResp = APIMON_RESPONSE_NONE;
118	rc = VERR_INVALID_PARAMETER;
119	}
120
121	return rc;
122	}
123
124	static const char* apimonResponseToStr(APIMON_RESPONSE enmResp)
125	{
126	if (APIMON_RESPONSE_NONE == enmResp)
127	return "none";
128	else if (APIMON_RESPONSE_PAUSE == enmResp)
129	return "pausing";
130	else if (APIMON_RESPONSE_POWEROFF == enmResp)
131	return "powering off";
132	else if (APIMON_RESPONSE_SAVE == enmResp)
133	return "saving state";
134	else if (APIMON_RESPONSE_SHUTDOWN == enmResp)
135	return "shutting down";
136
137	return "unknown";
138	}
139
140	/* Copied from VBoxManageInfo.cpp. */
141	static const char *apimonMachineStateToName(MachineState_T machineState, bool fShort)
142	{
143	switch (machineState)
144	{
145	case MachineState_PoweredOff:
146	return fShort ? "poweroff" : "powered off";
147	case MachineState_Saved:
148	return "saved";
149	case MachineState_Teleported:
150	return "teleported";
151	case MachineState_Aborted:
152	return "aborted";
153	case MachineState_AbortedSaved:
154	return "aborted-saved";
155	case MachineState_Running:
156	return "running";
157	case MachineState_Paused:
158	return "paused";
159	case MachineState_Stuck:
160	return fShort ? "gurumeditation" : "guru meditation";
161	case MachineState_LiveSnapshotting:
162	return fShort ? "livesnapshotting" : "live snapshotting";
163	case MachineState_Teleporting:
164	return "teleporting";
165	case MachineState_Starting:
166	return "starting";
167	case MachineState_Stopping:
168	return "stopping";
169	case MachineState_Saving:
170	return "saving";
171	case MachineState_Restoring:
172	return "restoring";
173	case MachineState_TeleportingPausedVM:
174	return fShort ? "teleportingpausedvm" : "teleporting paused vm";
175	case MachineState_TeleportingIn:
176	return fShort ? "teleportingin" : "teleporting (incoming)";
177	case MachineState_RestoringSnapshot:
178	return fShort ? "restoringsnapshot" : "restoring snapshot";
179	case MachineState_DeletingSnapshot:
180	return fShort ? "deletingsnapshot" : "deleting snapshot";
181	case MachineState_DeletingSnapshotOnline:
182	return fShort ? "deletingsnapshotlive" : "deleting snapshot live";
183	case MachineState_DeletingSnapshotPaused:
184	return fShort ? "deletingsnapshotlivepaused" : "deleting snapshot live paused";
185	case MachineState_SettingUp:
186	return fShort ? "settingup" : "setting up";
187	default:
188	break;
189	}
190	return "unknown";
191	}
192
193	static int apimonMachineControl(const Bstr &strUuid, PVBOXWATCHDOG_MACHINE pMachine,
194	APIMON_RESPONSE enmResp, uint32_t cMsTimeout)
195	{
196	/** @todo Add other commands (with enmResp) here. */
197	AssertPtrReturn(pMachine, VERR_INVALID_POINTER);
198
199	serviceLogVerbose(("apimon: Triggering \"%s\" (%RU32ms timeout) for machine \"%ls\"\n",
200	apimonResponseToStr(enmResp), cMsTimeout, strUuid.raw()));
201
202	if ( enmResp == APIMON_RESPONSE_NONE
203	\|\| g_fDryrun)
204	return VINF_SUCCESS; /* Nothing to do. */
205
206	HRESULT hrc;
207	ComPtr <IMachine> machine;
208	CHECK_ERROR_RET(g_pVirtualBox, FindMachine(strUuid.raw(),
209	machine.asOutParam()), VERR_NOT_FOUND);
210	do
211	{
212	/* Query the machine's state to avoid unnecessary IPC. */
213	MachineState_T machineState;
214	CHECK_ERROR_BREAK(machine, COMGETTER(State)(&machineState));
215
216	if ( machineState == MachineState_Running
217	\|\| machineState == MachineState_Paused)
218	{
219	/* Open a session for the VM. */
220	CHECK_ERROR_BREAK(machine, LockMachine(g_pSession, LockType_Shared));
221
222	do
223	{
224	/* Get the associated console. */
225	ComPtr<IConsole> console;
226	CHECK_ERROR_BREAK(g_pSession, COMGETTER(Console)(console.asOutParam()));
227	/* Get the associated session machine. */
228	ComPtr<IMachine> sessionMachine;
229	CHECK_ERROR_BREAK(g_pSession, COMGETTER(Machine)(sessionMachine.asOutParam()));
230
231	ComPtr<IProgress> progress;
232
233	switch (enmResp)
234	{
235	case APIMON_RESPONSE_PAUSE:
236	if (machineState != MachineState_Paused)
237	{
238	serviceLogVerbose(("apimon: Pausing machine \"%ls\" ...\n",
239	strUuid.raw()));
240	CHECK_ERROR_BREAK(console, Pause());
241	}
242	break;
243
244	case APIMON_RESPONSE_POWEROFF:
245	serviceLogVerbose(("apimon: Powering off machine \"%ls\" ...\n",
246	strUuid.raw()));
247	CHECK_ERROR_BREAK(console, PowerDown(progress.asOutParam()));
248	progress->WaitForCompletion(cMsTimeout);
249	CHECK_PROGRESS_ERROR(progress, ("Failed to power off machine \"%ls\"",
250	strUuid.raw()));
251	break;
252
253	case APIMON_RESPONSE_SAVE:
254	{
255	serviceLogVerbose(("apimon: Saving state of machine \"%ls\" ...\n",
256	strUuid.raw()));
257
258	/* First pause so we don't trigger a live save which needs more time/resources. */
259	bool fPaused = false;
260	hrc = console->Pause();
261	if (FAILED(hrc))
262	{
263	bool fError = true;
264	if (hrc == VBOX_E_INVALID_VM_STATE)
265	{
266	/* Check if we are already paused. */
267	CHECK_ERROR_BREAK(console, COMGETTER(State)(&machineState));
268	/* The error code was lost by the previous instruction. */
269	hrc = VBOX_E_INVALID_VM_STATE;
270	if (machineState != MachineState_Paused)
271	{
272	serviceLog("apimon: Machine \"%ls\" in invalid state %d -- %s\n",
273	strUuid.raw(), machineState, apimonMachineStateToName(machineState, false));
274	}
275	else
276	{
277	fError = false;
278	fPaused = true;
279	}
280	}
281	if (fError)
282	break;
283	}
284
285	CHECK_ERROR(sessionMachine, SaveState(progress.asOutParam()));
286	if (SUCCEEDED(hrc))
287	{
288	progress->WaitForCompletion(cMsTimeout);
289	CHECK_PROGRESS_ERROR(progress, ("Failed to save machine state of machine \"%ls\"",
290	strUuid.raw()));
291	}
292
293	if (SUCCEEDED(hrc))
294	{
295	serviceLogVerbose(("apimon: State of machine \"%ls\" saved, powering off ...\n", strUuid.raw()));
296	CHECK_ERROR_BREAK(console, PowerButton());
297	}
298	else
299	serviceLogVerbose(("apimon: Saving state of machine \"%ls\" failed\n", strUuid.raw()));
300
301	break;
302	}
303
304	case APIMON_RESPONSE_SHUTDOWN:
305	serviceLogVerbose(("apimon: Shutting down machine \"%ls\" ...\n", strUuid.raw()));
306	CHECK_ERROR_BREAK(console, PowerButton());
307	break;
308
309	default:
310	AssertMsgFailed(("Response %d not implemented", enmResp));
311	break;
312	}
313	} while (0);
314
315	/* Unlock the machine again. */
316	g_pSession->UnlockMachine();
317	}
318	else
319	serviceLogVerbose(("apimon: Warning: Could not trigger \"%s\" (%d) for machine \"%ls\"; in state \"%s\" (%d) currently\n",
320	apimonResponseToStr(enmResp), enmResp, strUuid.raw(),
321	apimonMachineStateToName(machineState, false), machineState));
322	} while (0);
323
324
325
326	return SUCCEEDED(hrc) ? VINF_SUCCESS : VERR_COM_IPRT_ERROR;
327	}
328
329	static bool apimonHandleVM(const PVBOXWATCHDOG_MACHINE pMachine)
330	{
331	bool fHandleVM = false;
332
333	try
334	{
335	mapGroupsIterConst itVMGroup = pMachine->groups.begin();
336	while ( itVMGroup != pMachine->groups.end()
337	&& !fHandleVM)
338	{
339	mapGroupsIterConst itInGroup = g_vecAPIMonGroups.find(itVMGroup->first);
340	if (itInGroup != g_vecAPIMonGroups.end())
341	fHandleVM = true;
342
343	++itVMGroup;
344	}
345	}
346	catch (...)
347	{
348	AssertFailed();
349	}
350
351	return fHandleVM;
352	}
353
354	static int apimonTrigger(APIMON_RESPONSE enmResp)
355	{
356	int rc = VINF_SUCCESS;
357
358	bool fAllGroups = g_vecAPIMonGroups.empty();
359	mapVMIter it = g_mapVM.begin();
360
361	if (it == g_mapVM.end())
362	{
363	serviceLog("apimon: No machines in list, skipping ...\n");
364	return rc;
365	}
366
367	while (it != g_mapVM.end())
368	{
369	bool fHandleVM = fAllGroups;
370	try
371	{
372	if (!fHandleVM)
373	fHandleVM = apimonHandleVM(&it->second);
374
375	if (fHandleVM)
376	{
377	int rc2 = apimonMachineControl(it->first /* Uuid */,
378	&it->second /* Machine */, enmResp, g_cMsAPIMonResponseTimeout);
379	if (RT_FAILURE(rc2))
380	serviceLog("apimon: Controlling machine \"%ls\" (response \"%s\") failed with rc=%Rrc",
381	it->first.raw(), apimonResponseToStr(enmResp), rc);
382
383	if (RT_SUCCESS(rc))
384	rc = rc2; /* Store original error. */
385	/* Keep going. */
386	}
387	}
388	catch (...)
389	{
390	AssertFailed();
391	}
392
393	++it;
394	}
395
396	return rc;
397	}
398
399	/* Callbacks. */
400	static DECLCALLBACK(int) VBoxModAPIMonitorPreInit(void)
401	{
402	return VINF_SUCCESS;
403	}
404
405	static DECLCALLBACK(int) VBoxModAPIMonitorOption(int argc, char argv[], int piConsumed)
406	{
407	if (!argc) /* Take a shortcut. */
408	return -1;
409
410	AssertPtrReturn(argv, VERR_INVALID_POINTER);
411	AssertPtrReturn(piConsumed, VERR_INVALID_POINTER);
412
413	RTGETOPTSTATE GetState;
414	int rc = RTGetOptInit(&GetState, argc, argv,
415	g_aAPIMonitorOpts, RT_ELEMENTS(g_aAPIMonitorOpts),
416	0 /* First /, 0 /fFlags*/);
417	if (RT_FAILURE(rc))
418	return rc;
419
420	rc = 0; /* Set default parsing result to valid. */
421
422	int c;
423	RTGETOPTUNION ValueUnion;
424	while ((c = RTGetOpt(&GetState, &ValueUnion)))
425	{
426	switch (c)
427	{
428	case GETOPTDEF_APIMON_GROUPS:
429	{
430	rc = groupAdd(g_vecAPIMonGroups, ValueUnion.psz, 0 /* Flags */);
431	if (RT_FAILURE(rc))
432	rc = -1; /* Option unknown. */
433	break;
434	}
435
436	case GETOPTDEF_APIMON_ISLN_RESPONSE:
437	rc = apimonResponseToEnum(ValueUnion.psz, &g_enmAPIMonIslnResp);
438	if (RT_FAILURE(rc))
439	rc = -1; /* Option unknown. */
440	break;
441
442	case GETOPTDEF_APIMON_ISLN_TIMEOUT:
443	g_cMsAPIMonIslnTimeout = ValueUnion.u32;
444	if (g_cMsAPIMonIslnTimeout < 1000) /* Don't allow timeouts < 1s. */
445	g_cMsAPIMonIslnTimeout = 1000;
446	break;
447
448	case GETOPTDEF_APIMON_RESP_TIMEOUT:
449	g_cMsAPIMonResponseTimeout = ValueUnion.u32;
450	if (g_cMsAPIMonResponseTimeout < 5000) /* Don't allow timeouts < 5s. */
451	g_cMsAPIMonResponseTimeout = 5000;
452	break;
453
454	default:
455	rc = -1; /* We don't handle this option, skip. */
456	break;
457	}
458
459	/* At the moment we only process one option at a time. */
460	break;
461	}
462
463	*piConsumed += GetState.iNext - 1;
464
465	return rc;
466	}
467
468	static DECLCALLBACK(int) VBoxModAPIMonitorInit(void)
469	{
470	HRESULT hrc = S_OK;
471
472	do
473	{
474	Bstr strValue;
475
476	/* VM groups to watch for. */
477	if (g_vecAPIMonGroups.empty()) /* Not set by command line? */
478	{
479	CHECK_ERROR_BREAK(g_pVirtualBox, GetExtraData(Bstr("VBoxInternal2/Watchdog/APIMonitor/Groups").raw(),
480	strValue.asOutParam()));
481	if (!strValue.isEmpty())
482	{
483	int rc2 = groupAdd(g_vecAPIMonGroups, Utf8Str(strValue).c_str(), 0 /* Flags */);
484	if (RT_FAILURE(rc2))
485	serviceLog("apimon: Warning: API monitor groups string invalid (%ls)\n", strValue.raw());
486	}
487	}
488
489	if (!g_cMsAPIMonIslnTimeout)
490	cfgGetValueU32(g_pVirtualBox, NULL /* Machine */,
491	"VBoxInternal2/Watchdog/APIMonitor/IsolationTimeoutMS", NULL /* Per-machine */,
492	&g_cMsAPIMonIslnTimeout, 30 * 1000 /* Default is 30 seconds timeout. */);
493	g_cMsAPIMonIslnTimeout = RT_MIN(1000, g_cMsAPIMonIslnTimeout);
494
495	if (g_enmAPIMonIslnResp == APIMON_RESPONSE_NONE) /* Not set by command line? */
496	{
497	Utf8Str strResp;
498	int rc2 = cfgGetValueStr(g_pVirtualBox, NULL /* Machine */,
499	"VBoxInternal2/Watchdog/APIMonitor/IsolationResponse", NULL /* Per-machine */,
500	strResp, "" /* Default value. */);
501	if (RT_SUCCESS(rc2))
502	{
503	rc2 = apimonResponseToEnum(strResp.c_str(), &g_enmAPIMonIslnResp);
504	if (RT_FAILURE(rc2))
505	serviceLog("apimon: Warning: API monitor response string invalid (%ls), defaulting to no action\n",
506	strValue.raw());
507	}
508	}
509
510	if (!g_cMsAPIMonResponseTimeout)
511	cfgGetValueU32(g_pVirtualBox, NULL /* Machine */,
512	"VBoxInternal2/Watchdog/APIMonitor/ResponseTimeoutMS", NULL /* Per-machine */,
513	&g_cMsAPIMonResponseTimeout, 30 * 1000 /* Default is 30 seconds timeout. */);
514	g_cMsAPIMonResponseTimeout = RT_MIN(5000, g_cMsAPIMonResponseTimeout);
515
516	#ifdef DEBUG
517	/* Groups. */
518	serviceLogVerbose(("apimon: Handling %u groups:", g_vecAPIMonGroups.size()));
519	mapGroupsIterConst itGroups = g_vecAPIMonGroups.begin();
520	while (itGroups != g_vecAPIMonGroups.end())
521	{
522	serviceLogVerbose((" %s", itGroups->first.c_str()));
523	++itGroups;
524	}
525	serviceLogVerbose(("\n"));
526	#endif
527
528	} while (0);
529
530	if (SUCCEEDED(hrc))
531	{
532	g_uAPIMonIslnLastBeatMS = 0;
533	}
534
535	return SUCCEEDED(hrc) ? VINF_SUCCESS : VERR_COM_IPRT_ERROR; /** @todo Find a better rc! */
536	}
537
538	static DECLCALLBACK(int) VBoxModAPIMonitorMain(void)
539	{
540	static uint64_t uLastRun = 0;
541	uint64_t uNow = RTTimeProgramMilliTS();
542	uint64_t uDelta = uNow - uLastRun;
543	if (uDelta < 1000) /* Only check every second (or later). */
544	return VINF_SUCCESS;
545	uLastRun = uNow;
546
547	int vrc = VINF_SUCCESS;
548	HRESULT hrc;
549
550	#ifdef DEBUG
551	serviceLogVerbose(("apimon: Checking for API heartbeat (%RU64ms) ...\n",
552	g_cMsAPIMonIslnTimeout));
553	#endif
554
555	do
556	{
557	Bstr strHeartbeat;
558	CHECK_ERROR_BREAK(g_pVirtualBox, GetExtraData(Bstr("Watchdog/APIMonitor/Heartbeat").raw(),
559	strHeartbeat.asOutParam()));
560	if ( SUCCEEDED(hrc)
561	&& !strHeartbeat.isEmpty()
562	&& g_strAPIMonIslnLastBeat.compare(strHeartbeat, Bstr::CaseSensitive))
563	{
564	serviceLogVerbose(("apimon: API heartbeat received, resetting timeout\n"));
565
566	g_uAPIMonIslnLastBeatMS = 0;
567	g_strAPIMonIslnLastBeat = strHeartbeat;
568	}
569	else
570	{
571	g_uAPIMonIslnLastBeatMS += uDelta;
572	if (g_uAPIMonIslnLastBeatMS > g_cMsAPIMonIslnTimeout)
573	{
574	serviceLogVerbose(("apimon: No API heartbeat within time received (%RU64ms)\n",
575	g_cMsAPIMonIslnTimeout));
576
577	vrc = apimonTrigger(g_enmAPIMonIslnResp);
578	g_uAPIMonIslnLastBeatMS = 0;
579	}
580	}
581	} while (0);
582
583	if (FAILED(hrc))
584	vrc = VERR_COM_IPRT_ERROR;
585
586	return vrc;
587	}
588
589	static DECLCALLBACK(int) VBoxModAPIMonitorStop(void)
590	{
591	return VINF_SUCCESS;
592	}
593
594	static DECLCALLBACK(void) VBoxModAPIMonitorTerm(void)
595	{
596	}
597
598	static DECLCALLBACK(int) VBoxModAPIMonitorOnMachineRegistered(const Bstr &strUuid)
599	{
600	RT_NOREF(strUuid);
601	return VINF_SUCCESS;
602	}
603
604	static DECLCALLBACK(int) VBoxModAPIMonitorOnMachineUnregistered(const Bstr &strUuid)
605	{
606	RT_NOREF(strUuid);
607	return VINF_SUCCESS;
608	}
609
610	static DECLCALLBACK(int) VBoxModAPIMonitorOnMachineStateChanged(const Bstr &strUuid, MachineState_T enmState)
611	{
612	RT_NOREF(strUuid, enmState);
613	return VINF_SUCCESS;
614	}
615
616	static DECLCALLBACK(int) VBoxModAPIMonitorOnServiceStateChanged(bool fAvailable)
617	{
618	if (!fAvailable)
619	{
620	serviceLog(("apimon: VBoxSVC became unavailable, triggering action\n"));
621	return apimonTrigger(g_enmAPIMonIslnResp);
622	}
623	return VINF_SUCCESS;
624	}
625
626	/**
627	* The 'apimonitor' module description.
628	*/
629	VBOXMODULE g_ModAPIMonitor =
630	{
631	/* pszName. */
632	VBOX_MOD_APIMON_NAME,
633	/* pszDescription. */
634	"API monitor for host isolation detection",
635	/* pszDepends. */
636	NULL,
637	/* uPriority. */
638	0 /* Not used */,
639	/* pszUsage. */
640	" [--apimon-groups=<string[,stringN]>]\n"
641	" [--apimon-isln-response=<cmd>] [--apimon-isln-timeout=<ms>]\n"
642	" [--apimon-resp-timeout=<ms>]",
643	/* pszOptions. */
644	" --apimon-groups=<string[,...]>\n"
645	" Sets the VM groups for monitoring (all), comma-separated list.\n"
646	" --apimon-isln-response=<cmd>\n"
647	" Sets the isolation response to one of: none, pause, poweroff,\n"
648	" save, or shutdown. Default: none\n"
649	" --apimon-isln-timeout=<ms>\n"
650	" Sets the isolation timeout in ms (30s).\n"
651	" --apimon-resp-timeout=<ms>\n"
652	" Sets the response timeout in ms (30s).\n",
653	/* methods. */
654	VBoxModAPIMonitorPreInit,
655	VBoxModAPIMonitorOption,
656	VBoxModAPIMonitorInit,
657	VBoxModAPIMonitorMain,
658	VBoxModAPIMonitorStop,
659	VBoxModAPIMonitorTerm,
660	/* callbacks. */
661	VBoxModAPIMonitorOnMachineRegistered,
662	VBoxModAPIMonitorOnMachineUnregistered,
663	VBoxModAPIMonitorOnMachineStateChanged,
664	VBoxModAPIMonitorOnServiceStateChanged
665	};
666

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source: vbox/trunk/src/VBox/Frontends/VBoxBalloonCtrl/VBoxModAPIMonitor.cpp@ 99685

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