VBoxModAPIMonitor.cpp@ 79605

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1	/* $Id: VBoxModAPIMonitor.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
2	/** @file
3	* VBoxModAPIMonitor - API monitor module for detecting host isolation.
4	*/
5
6	/*
7	* Copyright (C) 2012-2019 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17
18
19	/*********************************************************************************************************************************
20	* Header Files *
21	*********************************************************************************************************************************/
22	#ifndef VBOX_ONLY_DOCS
23	# include <iprt/message.h>
24	# include <VBox/com/errorprint.h>
25	#endif /* !VBOX_ONLY_DOCS */
26
27	#include "VBoxWatchdogInternal.h"
28
29	using namespace com;
30
31	#define VBOX_MOD_APIMON_NAME "apimon"
32
33	/**
34	* The module's RTGetOpt-IDs for the command line.
35	*/
36	enum GETOPTDEF_APIMON
37	{
38	GETOPTDEF_APIMON_GROUPS = 3000,
39	GETOPTDEF_APIMON_ISLN_RESPONSE,
40	GETOPTDEF_APIMON_ISLN_TIMEOUT,
41	GETOPTDEF_APIMON_RESP_TIMEOUT
42	};
43
44	/**
45	* The module's command line arguments.
46	*/
47	static const RTGETOPTDEF g_aAPIMonitorOpts[] = {
48	{ "--apimon-groups", GETOPTDEF_APIMON_GROUPS, RTGETOPT_REQ_STRING },
49	{ "--apimon-isln-response", GETOPTDEF_APIMON_ISLN_RESPONSE, RTGETOPT_REQ_STRING },
50	{ "--apimon-isln-timeout", GETOPTDEF_APIMON_ISLN_TIMEOUT, RTGETOPT_REQ_UINT32 },
51	{ "--apimon-resp-timeout", GETOPTDEF_APIMON_RESP_TIMEOUT, RTGETOPT_REQ_UINT32 }
52	};
53
54	enum APIMON_RESPONSE
55	{
56	/** Unknown / unhandled response. */
57	APIMON_RESPONSE_NONE = 0,
58	/** Pauses the VM execution. */
59	APIMON_RESPONSE_PAUSE = 10,
60	/** Does a hard power off. */
61	APIMON_RESPONSE_POWEROFF = 200,
62	/** Tries to save the current machine state. */
63	APIMON_RESPONSE_SAVE = 250,
64	/** Tries to shut down all running VMs in
65	* a gentle manner. */
66	APIMON_RESPONSE_SHUTDOWN = 300
67	};
68
69	/** The VM group(s) the API monitor handles. If none, all VMs get handled. */
70	static mapGroups g_vecAPIMonGroups; /** @todo Move this into module payload! */
71	static APIMON_RESPONSE g_enmAPIMonIslnResp = APIMON_RESPONSE_NONE;
72	static uint32_t g_cMsAPIMonIslnTimeout = 0;
73	static Bstr g_strAPIMonIslnLastBeat;
74	static uint32_t g_cMsAPIMonResponseTimeout = 0;
75	static uint64_t g_uAPIMonIslnLastBeatMS = 0;
76
77	static int apimonResponseToEnum(const char pszResponse, APIMON_RESPONSE pResp)
78	{
79	AssertPtrReturn(pszResponse, VERR_INVALID_POINTER);
80	AssertPtrReturn(pResp, VERR_INVALID_POINTER);
81
82	int rc = VINF_SUCCESS;
83	if (!RTStrICmp(pszResponse, "none"))
84	{
85	*pResp = APIMON_RESPONSE_NONE;
86	}
87	else if (!RTStrICmp(pszResponse, "pause"))
88	{
89	*pResp = APIMON_RESPONSE_PAUSE;
90	}
91	else if ( !RTStrICmp(pszResponse, "poweroff")
92	\|\| !RTStrICmp(pszResponse, "powerdown"))
93	{
94	*pResp = APIMON_RESPONSE_POWEROFF;
95	}
96	else if (!RTStrICmp(pszResponse, "save"))
97	{
98	*pResp = APIMON_RESPONSE_SAVE;
99	}
100	else if ( !RTStrICmp(pszResponse, "shutdown")
101	\|\| !RTStrICmp(pszResponse, "shutoff"))
102	{
103	*pResp = APIMON_RESPONSE_SHUTDOWN;
104	}
105	else
106	{
107	*pResp = APIMON_RESPONSE_NONE;
108	rc = VERR_INVALID_PARAMETER;
109	}
110
111	return rc;
112	}
113
114	static const char* apimonResponseToStr(APIMON_RESPONSE enmResp)
115	{
116	if (APIMON_RESPONSE_NONE == enmResp)
117	return "none";
118	else if (APIMON_RESPONSE_PAUSE == enmResp)
119	return "pausing";
120	else if (APIMON_RESPONSE_POWEROFF == enmResp)
121	return "powering off";
122	else if (APIMON_RESPONSE_SAVE == enmResp)
123	return "saving state";
124	else if (APIMON_RESPONSE_SHUTDOWN == enmResp)
125	return "shutting down";
126
127	return "unknown";
128	}
129
130	/* Copied from VBoxManageInfo.cpp. */
131	static const char *apimonMachineStateToName(MachineState_T machineState, bool fShort)
132	{
133	switch (machineState)
134	{
135	case MachineState_PoweredOff:
136	return fShort ? "poweroff" : "powered off";
137	case MachineState_Saved:
138	return "saved";
139	case MachineState_Aborted:
140	return "aborted";
141	case MachineState_Teleported:
142	return "teleported";
143	case MachineState_Running:
144	return "running";
145	case MachineState_Paused:
146	return "paused";
147	case MachineState_Stuck:
148	return fShort ? "gurumeditation" : "guru meditation";
149	case MachineState_LiveSnapshotting:
150	return fShort ? "livesnapshotting" : "live snapshotting";
151	case MachineState_Teleporting:
152	return "teleporting";
153	case MachineState_Starting:
154	return "starting";
155	case MachineState_Stopping:
156	return "stopping";
157	case MachineState_Saving:
158	return "saving";
159	case MachineState_Restoring:
160	return "restoring";
161	case MachineState_TeleportingPausedVM:
162	return fShort ? "teleportingpausedvm" : "teleporting paused vm";
163	case MachineState_TeleportingIn:
164	return fShort ? "teleportingin" : "teleporting (incoming)";
165	case MachineState_RestoringSnapshot:
166	return fShort ? "restoringsnapshot" : "restoring snapshot";
167	case MachineState_DeletingSnapshot:
168	return fShort ? "deletingsnapshot" : "deleting snapshot";
169	case MachineState_DeletingSnapshotOnline:
170	return fShort ? "deletingsnapshotlive" : "deleting snapshot live";
171	case MachineState_DeletingSnapshotPaused:
172	return fShort ? "deletingsnapshotlivepaused" : "deleting snapshot live paused";
173	case MachineState_SettingUp:
174	return fShort ? "settingup" : "setting up";
175	default:
176	break;
177	}
178	return "unknown";
179	}
180
181	static int apimonMachineControl(const Bstr &strUuid, PVBOXWATCHDOG_MACHINE pMachine,
182	APIMON_RESPONSE enmResp, uint32_t cMsTimeout)
183	{
184	/** @todo Add other commands (with enmResp) here. */
185	AssertPtrReturn(pMachine, VERR_INVALID_POINTER);
186
187	serviceLogVerbose(("apimon: Triggering \"%s\" (%RU32ms timeout) for machine \"%ls\"\n",
188	apimonResponseToStr(enmResp), cMsTimeout, strUuid.raw()));
189
190	if ( enmResp == APIMON_RESPONSE_NONE
191	\|\| g_fDryrun)
192	return VINF_SUCCESS; /* Nothing to do. */
193
194	HRESULT rc;
195	ComPtr <IMachine> machine;
196	CHECK_ERROR_RET(g_pVirtualBox, FindMachine(strUuid.raw(),
197	machine.asOutParam()), VERR_NOT_FOUND);
198	do
199	{
200	/* Query the machine's state to avoid unnecessary IPC. */
201	MachineState_T machineState;
202	CHECK_ERROR_BREAK(machine, COMGETTER(State)(&machineState));
203
204	if ( machineState == MachineState_Running
205	\|\| machineState == MachineState_Paused)
206	{
207	/* Open a session for the VM. */
208	CHECK_ERROR_BREAK(machine, LockMachine(g_pSession, LockType_Shared));
209
210	do
211	{
212	/* Get the associated console. */
213	ComPtr<IConsole> console;
214	CHECK_ERROR_BREAK(g_pSession, COMGETTER(Console)(console.asOutParam()));
215	/* Get the associated session machine. */
216	ComPtr<IMachine> sessionMachine;
217	CHECK_ERROR_BREAK(g_pSession, COMGETTER(Machine)(sessionMachine.asOutParam()));
218
219	ComPtr<IProgress> progress;
220
221	switch (enmResp)
222	{
223	case APIMON_RESPONSE_PAUSE:
224	if (machineState != MachineState_Paused)
225	{
226	serviceLogVerbose(("apimon: Pausing machine \"%ls\" ...\n",
227	strUuid.raw()));
228	CHECK_ERROR_BREAK(console, Pause());
229	}
230	break;
231
232	case APIMON_RESPONSE_POWEROFF:
233	serviceLogVerbose(("apimon: Powering off machine \"%ls\" ...\n",
234	strUuid.raw()));
235	CHECK_ERROR_BREAK(console, PowerDown(progress.asOutParam()));
236	progress->WaitForCompletion(cMsTimeout);
237	CHECK_PROGRESS_ERROR(progress, ("Failed to power off machine \"%ls\"",
238	strUuid.raw()));
239	break;
240
241	case APIMON_RESPONSE_SAVE:
242	{
243	serviceLogVerbose(("apimon: Saving state of machine \"%ls\" ...\n",
244	strUuid.raw()));
245
246	/* First pause so we don't trigger a live save which needs more time/resources. */
247	bool fPaused = false;
248	rc = console->Pause();
249	if (FAILED(rc))
250	{
251	bool fError = true;
252	if (rc == VBOX_E_INVALID_VM_STATE)
253	{
254	/* Check if we are already paused. */
255	CHECK_ERROR_BREAK(console, COMGETTER(State)(&machineState));
256	/* The error code was lost by the previous instruction. */
257	rc = VBOX_E_INVALID_VM_STATE;
258	if (machineState != MachineState_Paused)
259	{
260	serviceLog("apimon: Machine \"%ls\" in invalid state %d -- %s\n",
261	strUuid.raw(), machineState, apimonMachineStateToName(machineState, false));
262	}
263	else
264	{
265	fError = false;
266	fPaused = true;
267	}
268	}
269	if (fError)
270	break;
271	}
272
273	CHECK_ERROR(sessionMachine, SaveState(progress.asOutParam()));
274	if (SUCCEEDED(rc))
275	{
276	progress->WaitForCompletion(cMsTimeout);
277	CHECK_PROGRESS_ERROR(progress, ("Failed to save machine state of machine \"%ls\"",
278	strUuid.raw()));
279	}
280
281	if (SUCCEEDED(rc))
282	{
283	serviceLogVerbose(("apimon: State of machine \"%ls\" saved, powering off ...\n", strUuid.raw()));
284	CHECK_ERROR_BREAK(console, PowerButton());
285	}
286	else
287	serviceLogVerbose(("apimon: Saving state of machine \"%ls\" failed\n", strUuid.raw()));
288
289	break;
290	}
291
292	case APIMON_RESPONSE_SHUTDOWN:
293	serviceLogVerbose(("apimon: Shutting down machine \"%ls\" ...\n", strUuid.raw()));
294	CHECK_ERROR_BREAK(console, PowerButton());
295	break;
296
297	default:
298	AssertMsgFailed(("Response %d not implemented", enmResp));
299	break;
300	}
301	} while (0);
302
303	/* Unlock the machine again. */
304	g_pSession->UnlockMachine();
305	}
306	else
307	serviceLogVerbose(("apimon: Warning: Could not trigger \"%s\" (%d) for machine \"%ls\"; in state \"%s\" (%d) currently\n",
308	apimonResponseToStr(enmResp), enmResp, strUuid.raw(),
309	apimonMachineStateToName(machineState, false), machineState));
310	} while (0);
311
312
313
314	return SUCCEEDED(rc) ? VINF_SUCCESS : VERR_COM_IPRT_ERROR;
315	}
316
317	static bool apimonHandleVM(const PVBOXWATCHDOG_MACHINE pMachine)
318	{
319	bool fHandleVM = false;
320
321	try
322	{
323	mapGroupsIterConst itVMGroup = pMachine->groups.begin();
324	while ( itVMGroup != pMachine->groups.end()
325	&& !fHandleVM)
326	{
327	mapGroupsIterConst itInGroup = g_vecAPIMonGroups.find(itVMGroup->first);
328	if (itInGroup != g_vecAPIMonGroups.end())
329	fHandleVM = true;
330
331	++itVMGroup;
332	}
333	}
334	catch (...)
335	{
336	AssertFailed();
337	}
338
339	return fHandleVM;
340	}
341
342	static int apimonTrigger(APIMON_RESPONSE enmResp)
343	{
344	int rc = VINF_SUCCESS;
345
346	bool fAllGroups = g_vecAPIMonGroups.empty();
347	mapVMIter it = g_mapVM.begin();
348
349	if (it == g_mapVM.end())
350	{
351	serviceLog("apimon: No machines in list, skipping ...\n");
352	return rc;
353	}
354
355	while (it != g_mapVM.end())
356	{
357	bool fHandleVM = fAllGroups;
358	try
359	{
360	if (!fHandleVM)
361	fHandleVM = apimonHandleVM(&it->second);
362
363	if (fHandleVM)
364	{
365	int rc2 = apimonMachineControl(it->first /* Uuid */,
366	&it->second /* Machine */, enmResp, g_cMsAPIMonResponseTimeout);
367	if (RT_FAILURE(rc2))
368	serviceLog("apimon: Controlling machine \"%ls\" (response \"%s\") failed with rc=%Rrc",
369	it->first.raw(), apimonResponseToStr(enmResp), rc);
370
371	if (RT_SUCCESS(rc))
372	rc = rc2; /* Store original error. */
373	/* Keep going. */
374	}
375	}
376	catch (...)
377	{
378	AssertFailed();
379	}
380
381	++it;
382	}
383
384	return rc;
385	}
386
387	/* Callbacks. */
388	static DECLCALLBACK(int) VBoxModAPIMonitorPreInit(void)
389	{
390	return VINF_SUCCESS;
391	}
392
393	static DECLCALLBACK(int) VBoxModAPIMonitorOption(int argc, char argv[], int piConsumed)
394	{
395	if (!argc) /* Take a shortcut. */
396	return -1;
397
398	AssertPtrReturn(argv, VERR_INVALID_POINTER);
399	AssertPtrReturn(piConsumed, VERR_INVALID_POINTER);
400
401	RTGETOPTSTATE GetState;
402	int rc = RTGetOptInit(&GetState, argc, argv,
403	g_aAPIMonitorOpts, RT_ELEMENTS(g_aAPIMonitorOpts),
404	0 /* First /, 0 /fFlags*/);
405	if (RT_FAILURE(rc))
406	return rc;
407
408	rc = 0; /* Set default parsing result to valid. */
409
410	int c;
411	RTGETOPTUNION ValueUnion;
412	while ((c = RTGetOpt(&GetState, &ValueUnion)))
413	{
414	switch (c)
415	{
416	case GETOPTDEF_APIMON_GROUPS:
417	{
418	rc = groupAdd(g_vecAPIMonGroups, ValueUnion.psz, 0 /* Flags */);
419	if (RT_FAILURE(rc))
420	rc = -1; /* Option unknown. */
421	break;
422	}
423
424	case GETOPTDEF_APIMON_ISLN_RESPONSE:
425	rc = apimonResponseToEnum(ValueUnion.psz, &g_enmAPIMonIslnResp);
426	if (RT_FAILURE(rc))
427	rc = -1; /* Option unknown. */
428	break;
429
430	case GETOPTDEF_APIMON_ISLN_TIMEOUT:
431	g_cMsAPIMonIslnTimeout = ValueUnion.u32;
432	if (g_cMsAPIMonIslnTimeout < 1000) /* Don't allow timeouts < 1s. */
433	g_cMsAPIMonIslnTimeout = 1000;
434	break;
435
436	case GETOPTDEF_APIMON_RESP_TIMEOUT:
437	g_cMsAPIMonResponseTimeout = ValueUnion.u32;
438	if (g_cMsAPIMonResponseTimeout < 5000) /* Don't allow timeouts < 5s. */
439	g_cMsAPIMonResponseTimeout = 5000;
440	break;
441
442	default:
443	rc = -1; /* We don't handle this option, skip. */
444	break;
445	}
446
447	/* At the moment we only process one option at a time. */
448	break;
449	}
450
451	*piConsumed += GetState.iNext - 1;
452
453	return rc;
454	}
455
456	static DECLCALLBACK(int) VBoxModAPIMonitorInit(void)
457	{
458	HRESULT rc = S_OK;
459
460	do
461	{
462	Bstr strValue;
463
464	/* VM groups to watch for. */
465	if (g_vecAPIMonGroups.empty()) /* Not set by command line? */
466	{
467	CHECK_ERROR_BREAK(g_pVirtualBox, GetExtraData(Bstr("VBoxInternal2/Watchdog/APIMonitor/Groups").raw(),
468	strValue.asOutParam()));
469	if (!strValue.isEmpty())
470	{
471	int rc2 = groupAdd(g_vecAPIMonGroups, Utf8Str(strValue).c_str(), 0 /* Flags */);
472	if (RT_FAILURE(rc2))
473	serviceLog("apimon: Warning: API monitor groups string invalid (%ls)\n", strValue.raw());
474	}
475	}
476
477	if (!g_cMsAPIMonIslnTimeout)
478	cfgGetValueU32(g_pVirtualBox, NULL /* Machine */,
479	"VBoxInternal2/Watchdog/APIMonitor/IsolationTimeoutMS", NULL /* Per-machine */,
480	&g_cMsAPIMonIslnTimeout, 30 * 1000 /* Default is 30 seconds timeout. */);
481	g_cMsAPIMonIslnTimeout = RT_MIN(1000, g_cMsAPIMonIslnTimeout);
482
483	if (g_enmAPIMonIslnResp == APIMON_RESPONSE_NONE) /* Not set by command line? */
484	{
485	Utf8Str strResp;
486	int rc2 = cfgGetValueStr(g_pVirtualBox, NULL /* Machine */,
487	"VBoxInternal2/Watchdog/APIMonitor/IsolationResponse", NULL /* Per-machine */,
488	strResp, "" /* Default value. */);
489	if (RT_SUCCESS(rc2))
490	{
491	rc2 = apimonResponseToEnum(strResp.c_str(), &g_enmAPIMonIslnResp);
492	if (RT_FAILURE(rc2))
493	serviceLog("apimon: Warning: API monitor response string invalid (%ls), defaulting to no action\n",
494	strValue.raw());
495	}
496	}
497
498	if (!g_cMsAPIMonResponseTimeout)
499	cfgGetValueU32(g_pVirtualBox, NULL /* Machine */,
500	"VBoxInternal2/Watchdog/APIMonitor/ResponseTimeoutMS", NULL /* Per-machine */,
501	&g_cMsAPIMonResponseTimeout, 30 * 1000 /* Default is 30 seconds timeout. */);
502	g_cMsAPIMonResponseTimeout = RT_MIN(5000, g_cMsAPIMonResponseTimeout);
503
504	#ifdef DEBUG
505	/* Groups. */
506	serviceLogVerbose(("apimon: Handling %u groups:", g_vecAPIMonGroups.size()));
507	mapGroupsIterConst itGroups = g_vecAPIMonGroups.begin();
508	while (itGroups != g_vecAPIMonGroups.end())
509	{
510	serviceLogVerbose((" %s", itGroups->first.c_str()));
511	++itGroups;
512	}
513	serviceLogVerbose(("\n"));
514	#endif
515
516	} while (0);
517
518	if (SUCCEEDED(rc))
519	{
520	g_uAPIMonIslnLastBeatMS = 0;
521	}
522
523	return SUCCEEDED(rc) ? VINF_SUCCESS : VERR_COM_IPRT_ERROR; /** @todo Find a better rc! */
524	}
525
526	static DECLCALLBACK(int) VBoxModAPIMonitorMain(void)
527	{
528	static uint64_t uLastRun = 0;
529	uint64_t uNow = RTTimeProgramMilliTS();
530	uint64_t uDelta = uNow - uLastRun;
531	if (uDelta < 1000) /* Only check every second (or later). */
532	return VINF_SUCCESS;
533	uLastRun = uNow;
534
535	int vrc = VINF_SUCCESS;
536	HRESULT rc;
537
538	#ifdef DEBUG
539	serviceLogVerbose(("apimon: Checking for API heartbeat (%RU64ms) ...\n",
540	g_cMsAPIMonIslnTimeout));
541	#endif
542
543	do
544	{
545	Bstr strHeartbeat;
546	CHECK_ERROR_BREAK(g_pVirtualBox, GetExtraData(Bstr("Watchdog/APIMonitor/Heartbeat").raw(),
547	strHeartbeat.asOutParam()));
548	if ( SUCCEEDED(rc)
549	&& !strHeartbeat.isEmpty()
550	&& g_strAPIMonIslnLastBeat.compare(strHeartbeat, Bstr::CaseSensitive))
551	{
552	serviceLogVerbose(("apimon: API heartbeat received, resetting timeout\n"));
553
554	g_uAPIMonIslnLastBeatMS = 0;
555	g_strAPIMonIslnLastBeat = strHeartbeat;
556	}
557	else
558	{
559	g_uAPIMonIslnLastBeatMS += uDelta;
560	if (g_uAPIMonIslnLastBeatMS > g_cMsAPIMonIslnTimeout)
561	{
562	serviceLogVerbose(("apimon: No API heartbeat within time received (%RU64ms)\n",
563	g_cMsAPIMonIslnTimeout));
564
565	vrc = apimonTrigger(g_enmAPIMonIslnResp);
566	g_uAPIMonIslnLastBeatMS = 0;
567	}
568	}
569	} while (0);
570
571	if (FAILED(rc))
572	vrc = VERR_COM_IPRT_ERROR;
573
574	return vrc;
575	}
576
577	static DECLCALLBACK(int) VBoxModAPIMonitorStop(void)
578	{
579	return VINF_SUCCESS;
580	}
581
582	static DECLCALLBACK(void) VBoxModAPIMonitorTerm(void)
583	{
584	}
585
586	static DECLCALLBACK(int) VBoxModAPIMonitorOnMachineRegistered(const Bstr &strUuid)
587	{
588	RT_NOREF(strUuid);
589	return VINF_SUCCESS;
590	}
591
592	static DECLCALLBACK(int) VBoxModAPIMonitorOnMachineUnregistered(const Bstr &strUuid)
593	{
594	RT_NOREF(strUuid);
595	return VINF_SUCCESS;
596	}
597
598	static DECLCALLBACK(int) VBoxModAPIMonitorOnMachineStateChanged(const Bstr &strUuid, MachineState_T enmState)
599	{
600	RT_NOREF(strUuid, enmState);
601	return VINF_SUCCESS;
602	}
603
604	static DECLCALLBACK(int) VBoxModAPIMonitorOnServiceStateChanged(bool fAvailable)
605	{
606	if (!fAvailable)
607	{
608	serviceLog(("apimon: VBoxSVC became unavailable, triggering action\n"));
609	return apimonTrigger(g_enmAPIMonIslnResp);
610	}
611	return VINF_SUCCESS;
612	}
613
614	/**
615	* The 'apimonitor' module description.
616	*/
617	VBOXMODULE g_ModAPIMonitor =
618	{
619	/* pszName. */
620	VBOX_MOD_APIMON_NAME,
621	/* pszDescription. */
622	"API monitor for host isolation detection",
623	/* pszDepends. */
624	NULL,
625	/* uPriority. */
626	0 /* Not used */,
627	/* pszUsage. */
628	" [--apimon-groups=<string[,stringN]>]\n"
629	" [--apimon-isln-response=<cmd>] [--apimon-isln-timeout=<ms>]\n"
630	" [--apimon-resp-timeout=<ms>]",
631	/* pszOptions. */
632	"--apimon-groups Sets the VM groups for monitoring (all),\n"
633	" comma-separated list.\n"
634	"--apimon-isln-response Sets the isolation response to one of:\n"
635	" none, pause, poweroff, save, shutdown\n"
636	" (none).\n"
637	"--apimon-isln-timeout Sets the isolation timeout in ms (30s).\n"
638	"--apimon-resp-timeout Sets the response timeout in ms (30s).\n",
639	/* methods. */
640	VBoxModAPIMonitorPreInit,
641	VBoxModAPIMonitorOption,
642	VBoxModAPIMonitorInit,
643	VBoxModAPIMonitorMain,
644	VBoxModAPIMonitorStop,
645	VBoxModAPIMonitorTerm,
646	/* callbacks. */
647	VBoxModAPIMonitorOnMachineRegistered,
648	VBoxModAPIMonitorOnMachineUnregistered,
649	VBoxModAPIMonitorOnMachineStateChanged,
650	VBoxModAPIMonitorOnServiceStateChanged
651	};
652

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source: vbox/trunk/src/VBox/Frontends/VBoxBalloonCtrl/VBoxModAPIMonitor.cpp@ 79605

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