UISession.cpp@ 98490

Last change on this file since 98490 was 98490, checked in by vboxsync, 2 years ago
FE/Qt: bugref:10322: Runtime UI: Reworking UIIndicatorsPool virtualization features indicator to move COM related logic to UISession.
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1	/* $Id: UISession.cpp 98490 2023-02-07 12:11:07Z vboxsync $ */
2	/** @file
3	* VBox Qt GUI - UISession class implementation.
4	*/
5
6	/*
7	* Copyright (C) 2006-2023 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	/* Qt includes: */
29	#include <QApplication>
30	#include <QWidget>
31	#ifdef VBOX_WS_WIN
32	# include <iprt/win/windows.h> /* Workaround for compile errors if included directly by QtWin. */
33	# include <QtWin>
34	#endif
35
36	/* GUI includes: */
37	#include "UIActionPoolRuntime.h"
38	#include "UICommon.h"
39	#include "UIConsoleEventHandler.h"
40	#include "UIDetailsGenerator.h"
41	#include "UIExtraDataManager.h"
42	#include "UIFrameBuffer.h"
43	#include "UIMachine.h"
44	#include "UIMachineLogic.h"
45	#include "UIMachineView.h"
46	#include "UIMachineWindow.h"
47	#include "UIMedium.h"
48	#include "UIMessageCenter.h"
49	#include "UIMousePointerShapeData.h"
50	#include "UINotificationCenter.h"
51	#include "UISession.h"
52	#include "UISettingsDialogSpecific.h"
53	#ifdef VBOX_GUI_WITH_KEYS_RESET_HANDLER
54	# include "UIKeyboardHandler.h"
55	# include <signal.h>
56	#endif
57
58	/* COM includes: */
59	#include "CGraphicsAdapter.h"
60	#include "CHostNetworkInterface.h"
61	#include "CHostUSBDevice.h"
62	#include "CMedium.h"
63	#include "CMediumAttachment.h"
64	#include "CSnapshot.h"
65	#include "CStorageController.h"
66	#include "CSystemProperties.h"
67	#include "CUSBController.h"
68	#include "CUSBDeviceFilter.h"
69	#include "CUSBDeviceFilters.h"
70	#ifdef VBOX_WITH_NETFLT
71	# include "CNetworkAdapter.h"
72	#endif
73
74	/* External includes: */
75	#ifdef VBOX_WS_X11
76	# include <X11/Xlib.h>
77	# include <X11/Xutil.h>
78	#endif
79
80
81	#ifdef VBOX_GUI_WITH_KEYS_RESET_HANDLER
82	static void signalHandlerSIGUSR1(int sig, siginfo_t , void );
83	#endif
84
85	/* static */
86	bool UISession::create(UISession &pSession, UIMachine pMachine)
87	{
88	/* Make sure NULL pointer passed: */
89	AssertReturn(!pSession, false);
90
91	/* Create session UI: */
92	pSession = new UISession(pMachine);
93	AssertPtrReturn(pSession, false);
94
95	/* Make sure it's prepared: */
96	if (!pSession->prepare())
97	{
98	/* Destroy session UI otherwise: */
99	destroy(pSession);
100	/* False in that case: */
101	return false;
102	}
103
104	/* True by default: */
105	return true;
106	}
107
108	/* static */
109	void UISession::destroy(UISession *&pSession)
110	{
111	/* Make sure valid pointer passed: */
112	AssertPtrReturnVoid(pSession);
113
114	/* Delete session: */
115	delete pSession;
116	pSession = 0;
117	}
118
119	bool UISession::initialize()
120	{
121	/* Preprocess initialization: */
122	if (!preprocessInitialization())
123	return false;
124
125	/* Notify user about mouse&keyboard auto-capturing: */
126	if (gEDataManager->autoCaptureEnabled())
127	UINotificationMessage::remindAboutAutoCapture();
128
129	m_enmMachineState = machine().GetState();
130
131	/* Apply debug settings from the command line. */
132	if (!debugger().isNull() && debugger().isOk())
133	{
134	if (uiCommon().areWeToExecuteAllInIem())
135	debugger().SetExecuteAllInIEM(true);
136	if (!uiCommon().isDefaultWarpPct())
137	debugger().SetVirtualTimeRate(uiCommon().getWarpPct());
138	}
139
140	/* Apply ad-hoc reconfigurations from the command line: */
141	if (uiCommon().hasFloppyImageToMount())
142	mountAdHocImage(KDeviceType_Floppy, UIMediumDeviceType_Floppy, uiCommon().getFloppyImage().toString());
143	if (uiCommon().hasDvdImageToMount())
144	mountAdHocImage(KDeviceType_DVD, UIMediumDeviceType_DVD, uiCommon().getDvdImage().toString());
145
146	/* Power UP if this is NOT separate process: */
147	if (!uiCommon().isSeparateProcess())
148	if (!powerUp())
149	return false;
150
151	/* Make sure all the pending Console events converted to signals
152	* during the powerUp() progress above reached their destinations.
153	* That is necessary to make sure all the pending machine state change events processed.
154	* We can't just use the machine state directly acquired from IMachine because there
155	* will be few places which are using stale machine state, not just this one. */
156	QApplication::sendPostedEvents(0, QEvent::MetaCall);
157
158	/* Check if we missed a really quick termination after successful startup: */
159	if (isTurnedOff())
160	{
161	LogRel(("GUI: Aborting startup due to invalid machine state detected: %d\n", machineState()));
162	return false;
163	}
164
165	/* Fetch corresponding states: */
166	if (uiCommon().isSeparateProcess())
167	{
168	sltAdditionsChange();
169	}
170	machineLogic()->initializePostPowerUp();
171
172	#ifdef VBOX_GUI_WITH_PIDFILE
173	uiCommon().createPidfile();
174	#endif /* VBOX_GUI_WITH_PIDFILE */
175
176	/* True by default: */
177	return true;
178	}
179
180	bool UISession::powerUp()
181	{
182	/* Power UP machine: */
183	CProgress comProgress = uiCommon().shouldStartPaused() ? console().PowerUpPaused() : console().PowerUp();
184
185	/* Check for immediate failure: */
186	if (!console().isOk() \|\| comProgress.isNull())
187	{
188	if (uiCommon().showStartVMErrors())
189	msgCenter().cannotStartMachine(console(), machineName());
190	LogRel(("GUI: Aborting startup due to power up issue detected...\n"));
191	return false;
192	}
193
194	/* Some logging right after we powered up: */
195	LogRel(("GUI: Qt version: %s\n", UICommon::qtRTVersionString().toUtf8().constData()));
196	#ifdef VBOX_WS_X11
197	LogRel(("GUI: X11 Window Manager code: %d\n", (int)uiCommon().typeOfWindowManager()));
198	#endif
199	#if defined(VBOX_WS_MAC) \|\| defined(VBOX_WS_WIN)
200	LogRel(("GUI: HID LEDs sync is %s\n", uimachine()->isHidLedsSyncEnabled() ? "enabled" : "disabled"));
201	#else
202	LogRel(("GUI: HID LEDs sync is not supported on this platform\n"));
203	#endif
204
205	/* Enable 'manual-override',
206	* preventing automatic Runtime UI closing
207	* and visual representation mode changes: */
208	uimachine()->setManualOverrideMode(true);
209
210	/* Show "Starting/Restoring" progress dialog: */
211	if (isSaved())
212	{
213	msgCenter().showModalProgressDialog(comProgress, machineName(), ":/progress_state_restore_90px.png", 0, 0);
214	/* After restoring from 'saved' state, machine-window(s) geometry should be adjusted: */
215	machineLogic()->adjustMachineWindowsGeometry();
216	}
217	else
218	{
219	#ifdef VBOX_IS_QT6_OR_LATER /** @todo why is this any problem on qt6? */
220	msgCenter().showModalProgressDialog(comProgress, machineName(), ":/progress_start_90px.png", 0, 0);
221	#else
222	msgCenter().showModalProgressDialog(comProgress, machineName(), ":/progress_start_90px.png");
223	#endif
224	/* After VM start, machine-window(s) size-hint(s) should be sent: */
225	machineLogic()->sendMachineWindowsSizeHints();
226	}
227
228	/* Check for progress failure: */
229	if (!comProgress.isOk() \|\| comProgress.GetResultCode() != 0)
230	{
231	if (uiCommon().showStartVMErrors())
232	msgCenter().cannotStartMachine(comProgress, machineName());
233	LogRel(("GUI: Aborting startup due to power up progress issue detected...\n"));
234	return false;
235	}
236
237	/* Disable 'manual-override' finally: */
238	uimachine()->setManualOverrideMode(false);
239
240	/* True by default: */
241	return true;
242	}
243
244	WId UISession::mainMachineWindowId() const
245	{
246	return mainMachineWindow() ? mainMachineWindow()->winId() : 0;
247	}
248
249	bool UISession::setPause(bool fPause)
250	{
251	if (fPause)
252	console().Pause();
253	else
254	console().Resume();
255
256	const bool fOk = console().isOk();
257	if (!fOk)
258	{
259	if (fPause)
260	UINotificationMessage::cannotPauseMachine(console());
261	else
262	UINotificationMessage::cannotResumeMachine(console());
263	}
264
265	return fOk;
266	}
267
268	bool UISession::guestAdditionsUpgradable()
269	{
270	if (!machine().isOk())
271	return false;
272
273	/* Auto GA update is currently for Windows and Linux guests only */
274	const CGuestOSType osType = uiCommon().vmGuestOSType(machine().GetOSTypeId());
275	if (!osType.isOk())
276	return false;
277
278	const QString strGuestFamily = osType.GetFamilyId();
279	bool fIsWindowOrLinux = strGuestFamily.contains("windows", Qt::CaseInsensitive) \|\| strGuestFamily.contains("linux", Qt::CaseInsensitive);
280
281	if (!fIsWindowOrLinux)
282	return false;
283
284	/* Also check whether we have something to update automatically: */
285	if (m_ulGuestAdditionsRunLevel < (ULONG)KAdditionsRunLevelType_Userland)
286	return false;
287
288	return true;
289	}
290
291	UIFrameBuffer *UISession::frameBuffer(ulong uScreenId) const
292	{
293	Assert(uScreenId < (ulong)m_frameBufferVector.size());
294	return m_frameBufferVector.value((int)uScreenId, 0);
295	}
296
297	void UISession::setFrameBuffer(ulong uScreenId, UIFrameBuffer *pFrameBuffer)
298	{
299	Assert(uScreenId < (ulong)m_frameBufferVector.size());
300	if (uScreenId < (ulong)m_frameBufferVector.size())
301	m_frameBufferVector[(int)uScreenId] = pFrameBuffer;
302	}
303
304	QSize UISession::frameBufferSize(ulong uScreenId) const
305	{
306	UIFrameBuffer *pFramebuffer = frameBuffer(uScreenId);
307	return pFramebuffer ? QSize(pFramebuffer->width(), pFramebuffer->height()) : QSize();
308	}
309
310	void UISession::acquireDeviceActivity(const QVector<KDeviceType> &deviceTypes, QVector<KDeviceActivity> &states)
311	{
312	CConsole comConsole = console();
313	states = comConsole.GetDeviceActivity(deviceTypes);
314	if (!comConsole.isOk())
315	UINotificationMessage::cannotAcquireConsoleParameter(comConsole);
316	}
317
318	void UISession::acquireHardDiskStatusInfo(QString &strInfo, bool &fAttachmentsPresent)
319	{
320	CMachine comMachine = machine();
321	UIDetailsGenerator::acquireHardDiskStatusInfo(comMachine, strInfo, fAttachmentsPresent);
322	}
323
324	void UISession::acquireOpticalDiskStatusInfo(QString &strInfo, bool &fAttachmentsPresent, bool &fAttachmentsMounted)
325	{
326	CMachine comMachine = machine();
327	UIDetailsGenerator::acquireOpticalDiskStatusInfo(comMachine, strInfo, fAttachmentsPresent, fAttachmentsMounted);
328	}
329
330	void UISession::acquireFloppyDiskStatusInfo(QString &strInfo, bool &fAttachmentsPresent, bool &fAttachmentsMounted)
331	{
332	CMachine comMachine = machine();
333	UIDetailsGenerator::acquireFloppyDiskStatusInfo(comMachine, strInfo, fAttachmentsPresent, fAttachmentsMounted);
334	}
335
336	void UISession::acquireAudioStatusInfo(QString &strInfo, bool &fAudioEnabled, bool &fEnabledOutput, bool &fEnabledInput)
337	{
338	CMachine comMachine = machine();
339	UIDetailsGenerator::acquireAudioStatusInfo(comMachine, strInfo, fAudioEnabled, fEnabledOutput, fEnabledInput);
340	}
341
342	void UISession::acquireNetworkStatusInfo(QString &strInfo, bool &fAdaptersPresent, bool &fCablesDisconnected)
343	{
344	CMachine comMachine = machine();
345	UIDetailsGenerator::acquireNetworkStatusInfo(comMachine, strInfo, fAdaptersPresent, fCablesDisconnected);
346	}
347
348	void UISession::acquireUsbStatusInfo(QString &strInfo, bool &fUsbEnableds)
349	{
350	CMachine comMachine = machine();
351	CConsole comConsole = console();
352	UIDetailsGenerator::acquireUsbStatusInfo(comMachine, comConsole, strInfo, fUsbEnableds);
353	}
354
355	void UISession::acquireSharedFoldersStatusInfo(QString &strInfo, bool &fFoldersPresent)
356	{
357	CMachine comMachine = machine();
358	CConsole comConsole = console();
359	CGuest comGuest = guest();
360	UIDetailsGenerator::acquireSharedFoldersStatusInfo(comMachine, comConsole, comGuest, strInfo, fFoldersPresent);
361	}
362
363	void UISession::acquireDisplayStatusInfo(QString &strInfo, bool &fAcceleration3D)
364	{
365	CMachine comMachine = machine();
366	UIDetailsGenerator::acquireDisplayStatusInfo(comMachine, strInfo, fAcceleration3D);
367	}
368
369	void UISession::acquireRecordingStatusInfo(QString &strInfo, bool &fRecordingEnabled, bool &fMachinePaused)
370	{
371	CMachine comMachine = machine();
372	fMachinePaused = isPaused();
373	UIDetailsGenerator::acquireRecordingStatusInfo(comMachine, strInfo, fRecordingEnabled);
374	}
375
376	void UISession::acquireCpuLoadPercentage(int &iPercentage)
377	{
378	CMachineDebugger comDebugger = debugger();
379	ULONG uPctExecuting;
380	ULONG uPctHalted;
381	ULONG uPctOther;
382	comDebugger.GetCPULoad(0x7fffffff, uPctExecuting, uPctHalted, uPctOther);
383	iPercentage = uPctExecuting + uPctOther;
384	}
385
386	void UISession::acquireFeaturesStatusInfo(QString &strInfo, KVMExecutionEngine &enmEngine,
387	bool fNestedPagingEnabled, bool fUxEnabled,
388	KParavirtProvider enmProvider)
389	{
390	CMachine comMachine = machine();
391	UIDetailsGenerator::acquireFeaturesStatusInfo(comMachine, strInfo,
392	enmEngine,
393	fNestedPagingEnabled, fUxEnabled,
394	enmProvider);
395	}
396
397	bool UISession::prepareToBeSaved()
398	{
399	return isPaused()
400	\|\| (isRunning() && pause());
401	}
402
403	bool UISession::prepareToBeShutdowned()
404	{
405	const bool fValidMode = console().GetGuestEnteredACPIMode();
406	if (!fValidMode)
407	UINotificationMessage::cannotSendACPIToMachine();
408	return fValidMode;
409	}
410
411	void UISession::sltInstallGuestAdditionsFrom(const QString &strSource)
412	{
413	if (!guestAdditionsUpgradable())
414	return sltMountDVDAdHoc(strSource);
415
416	/* Update guest additions automatically: */
417	UINotificationProgressGuestAdditionsInstall *pNotification =
418	new UINotificationProgressGuestAdditionsInstall(guest(), strSource);
419	connect(pNotification, &UINotificationProgressGuestAdditionsInstall::sigGuestAdditionsInstallationFailed,
420	this, &UISession::sltMountDVDAdHoc);
421	gpNotificationCenter->append(pNotification);
422	}
423
424	void UISession::sltMountDVDAdHoc(const QString &strSource)
425	{
426	mountAdHocImage(KDeviceType_DVD, UIMediumDeviceType_DVD, strSource);
427	}
428
429	void UISession::sltDetachCOM()
430	{
431	/* Cleanup everything COM related: */
432	cleanupFramebuffers();
433	cleanupConsoleEventHandlers();
434	cleanupNotificationCenter();
435	cleanupSession();
436	}
437
438	void UISession::sltStateChange(KMachineState enmState)
439	{
440	/* Check if something had changed: */
441	if (m_enmMachineState != enmState)
442	{
443	/* Store new data: */
444	m_enmMachineStatePrevious = m_enmMachineState;
445	m_enmMachineState = enmState;
446
447	/* Notify listeners about machine state changed: */
448	emit sigMachineStateChange();
449	}
450	}
451
452	void UISession::sltAdditionsChange()
453	{
454	/* Acquire actual states: */
455	const ULONG ulGuestAdditionsRunLevel = guest().GetAdditionsRunLevel();
456	LONG64 lLastUpdatedIgnored;
457	const bool fIsGuestSupportsGraphics = guest().GetFacilityStatus(KAdditionsFacilityType_Graphics, lLastUpdatedIgnored)
458	== KAdditionsFacilityStatus_Active;
459	const bool fIsGuestSupportsSeamless = guest().GetFacilityStatus(KAdditionsFacilityType_Seamless, lLastUpdatedIgnored)
460	== KAdditionsFacilityStatus_Active;
461
462	/* Check if something had changed: */
463	if ( m_ulGuestAdditionsRunLevel != ulGuestAdditionsRunLevel
464	\|\| m_fIsGuestSupportsGraphics != fIsGuestSupportsGraphics
465	\|\| m_fIsGuestSupportsSeamless != fIsGuestSupportsSeamless)
466	{
467	/* Store new data: */
468	m_ulGuestAdditionsRunLevel = ulGuestAdditionsRunLevel;
469	m_fIsGuestSupportsGraphics = fIsGuestSupportsGraphics;
470	m_fIsGuestSupportsSeamless = fIsGuestSupportsSeamless;
471
472	/* Notify listeners about GA state really changed: */
473	LogRel(("GUI: UISession::sltAdditionsChange: GA state really changed, notifying listeners.\n"));
474	emit sigAdditionsStateActualChange();
475	}
476	else
477	LogRel(("GUI: UISession::sltAdditionsChange: GA state doesn't really changed, still notifying listeners.\n"));
478
479	/* Notify listeners about GA state change event came: */
480	emit sigAdditionsStateChange();
481	}
482
483	UISession::UISession(UIMachine *pMachine)
484	: QObject(pMachine)
485	/* Base variables: */
486	, m_pMachine(pMachine)
487	, m_pConsoleEventhandler(0)
488	/* Common variables: */
489	, m_enmMachineStatePrevious(KMachineState_Null)
490	, m_enmMachineState(KMachineState_Null)
491	/* Guest additions flags: */
492	, m_ulGuestAdditionsRunLevel(0)
493	, m_fIsGuestSupportsGraphics(false)
494	, m_fIsGuestSupportsSeamless(false)
495	{
496	}
497
498	UISession::~UISession()
499	{
500	}
501
502	bool UISession::prepare()
503	{
504	/* Prepare COM stuff: */
505	if (!prepareSession())
506	return false;
507
508	/* Cache media early if requested: */
509	if (uiCommon().agressiveCaching())
510	recacheMachineMedia();
511
512	/* Prepare GUI stuff: */
513	prepareNotificationCenter();
514	prepareConsoleEventHandlers();
515	prepareFramebuffers();
516	prepareConnections();
517	prepareSignalHandling();
518
519	/* True by default: */
520	return true;
521	}
522
523	bool UISession::prepareSession()
524	{
525	/* Open session: */
526	m_comSession = uiCommon().openSession(uiCommon().managedVMUuid(),
527	uiCommon().isSeparateProcess()
528	? KLockType_Shared
529	: KLockType_VM);
530	if (m_comSession.isNull())
531	return false;
532
533	/* Get machine: */
534	m_comMachine = m_comSession.GetMachine();
535	if (m_comMachine.isNull())
536	return false;
537
538	/* Get console: */
539	m_comConsole = m_comSession.GetConsole();
540	if (m_comConsole.isNull())
541	return false;
542
543	/* Get display: */
544	m_comDisplay = m_comConsole.GetDisplay();
545	if (m_comDisplay.isNull())
546	return false;
547
548	/* Get guest: */
549	m_comGuest = m_comConsole.GetGuest();
550	if (m_comGuest.isNull())
551	return false;
552
553	/* Get mouse: */
554	m_comMouse = m_comConsole.GetMouse();
555	if (m_comMouse.isNull())
556	return false;
557
558	/* Get keyboard: */
559	m_comKeyboard = m_comConsole.GetKeyboard();
560	if (m_comKeyboard.isNull())
561	return false;
562
563	/* Get debugger: */
564	m_comDebugger = m_comConsole.GetDebugger();
565	if (m_comDebugger.isNull())
566	return false;
567
568	/* Update machine-name: */
569	m_strMachineName = machine().GetName();
570
571	/* Update machine-state: */
572	m_enmMachineState = machine().GetState();
573
574	/* True by default: */
575	return true;
576	}
577
578	void UISession::prepareNotificationCenter()
579	{
580	UINotificationCenter::create();
581	}
582
583	void UISession::prepareConsoleEventHandlers()
584	{
585	/* Create console event-handler: */
586	m_pConsoleEventhandler = new UIConsoleEventHandler(this);
587
588	/* Console event connections: */
589	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigAdditionsChange,
590	this, &UISession::sltAdditionsChange);
591	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigAudioAdapterChange,
592	this, &UISession::sigAudioAdapterChange);
593	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigClipboardModeChange,
594	this, &UISession::sigClipboardModeChange);
595	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigCPUExecutionCapChange,
596	this, &UISession::sigCPUExecutionCapChange);
597	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigDnDModeChange,
598	this, &UISession::sigDnDModeChange);
599	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigGuestMonitorChange,
600	this, &UISession::sigGuestMonitorChange);
601	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigMediumChange,
602	this, &UISession::sigMediumChange);
603	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigNetworkAdapterChange,
604	this, &UISession::sigNetworkAdapterChange);
605	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigRecordingChange,
606	this, &UISession::sigRecordingChange);
607	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigSharedFolderChange,
608	this, &UISession::sigSharedFolderChange);
609	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigStateChange,
610	this, &UISession::sltStateChange);
611	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigStorageDeviceChange,
612	this, &UISession::sigStorageDeviceChange);
613	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigUSBControllerChange,
614	this, &UISession::sigUSBControllerChange);
615	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigUSBDeviceStateChange,
616	this, &UISession::sigUSBDeviceStateChange);
617	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigVRDEChange,
618	this, &UISession::sigVRDEChange);
619	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigRuntimeError,
620	this, &UISession::sigRuntimeError);
621
622	#ifdef VBOX_WS_MAC
623	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigShowWindow,
624	this, &UISession::sigShowWindows, Qt::QueuedConnection);
625	#endif
626
627	/* Console keyboard connections: */
628	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigKeyboardLedsChange,
629	this, &UISession::sigKeyboardLedsChange);
630
631	/* Console mouse connections: */
632	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigMousePointerShapeChange,
633	this, &UISession::sigMousePointerShapeChange);
634	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigMouseCapabilityChange,
635	this, &UISession::sigMouseCapabilityChange);
636	connect(m_pConsoleEventhandler, &UIConsoleEventHandler::sigCursorPositionChange,
637	this, &UISession::sigCursorPositionChange);
638	}
639
640	void UISession::prepareFramebuffers()
641	{
642	/* Each framebuffer will be really prepared on first UIMachineView creation: */
643	m_frameBufferVector.resize(machine().GetGraphicsAdapter().GetMonitorCount());
644	}
645
646	void UISession::prepareConnections()
647	{
648	/* UICommon connections: */
649	connect(&uiCommon(), &UICommon::sigAskToDetachCOM, this, &UISession::sltDetachCOM);
650	}
651
652	void UISession::prepareSignalHandling()
653	{
654	#ifdef VBOX_GUI_WITH_KEYS_RESET_HANDLER
655	struct sigaction sa;
656	sa.sa_sigaction = &signalHandlerSIGUSR1;
657	sigemptyset(&sa.sa_mask);
658	sa.sa_flags = SA_RESTART \| SA_SIGINFO;
659	sigaction(SIGUSR1, &sa, NULL);
660	#endif /* VBOX_GUI_WITH_KEYS_RESET_HANDLER */
661	}
662
663	void UISession::cleanupFramebuffers()
664	{
665	/* Cleanup framebuffers finally: */
666	for (int i = m_frameBufferVector.size() - 1; i >= 0; --i)
667	{
668	UIFrameBuffer *pFrameBuffer = m_frameBufferVector[i];
669	if (pFrameBuffer)
670	{
671	/* Mark framebuffer as unused: */
672	pFrameBuffer->setMarkAsUnused(true);
673	/* Detach framebuffer from Display: */
674	pFrameBuffer->detach();
675	/* Delete framebuffer reference: */
676	delete pFrameBuffer;
677	}
678	}
679	m_frameBufferVector.clear();
680	}
681
682	void UISession::cleanupConsoleEventHandlers()
683	{
684	/* Destroy console event-handler: */
685	delete m_pConsoleEventhandler;
686	m_pConsoleEventhandler = 0;
687	}
688
689	void UISession::cleanupNotificationCenter()
690	{
691	UINotificationCenter::destroy();
692	}
693
694	void UISession::cleanupSession()
695	{
696	/* Detach debugger: */
697	if (!m_comDebugger.isNull())
698	m_comDebugger.detach();
699
700	/* Detach keyboard: */
701	if (!m_comKeyboard.isNull())
702	m_comKeyboard.detach();
703
704	/* Detach mouse: */
705	if (!m_comMouse.isNull())
706	m_comMouse.detach();
707
708	/* Detach guest: */
709	if (!m_comGuest.isNull())
710	m_comGuest.detach();
711
712	/* Detach display: */
713	if (!m_comDisplay.isNull())
714	m_comDisplay.detach();
715
716	/* Detach console: */
717	if (!m_comConsole.isNull())
718	m_comConsole.detach();
719
720	/* Detach machine: */
721	if (!m_comMachine.isNull())
722	m_comMachine.detach();
723
724	/* Close session: */
725	if (!m_comSession.isNull() && uiCommon().isVBoxSVCAvailable())
726	{
727	m_comSession.UnlockMachine();
728	m_comSession.detach();
729	}
730	}
731
732	UIMachineLogic *UISession::machineLogic() const
733	{
734	return uimachine() ? uimachine()->machineLogic() : 0;
735	}
736
737	UIMachineWindow *UISession::activeMachineWindow() const
738	{
739	return machineLogic() ? machineLogic()->activeMachineWindow() : 0;
740	}
741
742	QWidget *UISession::mainMachineWindow() const
743	{
744	return machineLogic() ? machineLogic()->mainMachineWindow() : 0;
745	}
746
747	bool UISession::preprocessInitialization()
748	{
749	#ifdef VBOX_WITH_NETFLT
750	/* Skip network interface name checks if VM in saved state: */
751	if (!isSaved())
752	{
753	/* Make sure all the attached and enabled network
754	* adapters are present on the host. This check makes sense
755	* in two cases only - when attachement type is Bridged Network
756	* or Host-only Interface. NOTE: Only currently enabled
757	* attachement type is checked (incorrect parameters check for
758	* currently disabled attachement types is skipped). */
759	QStringList failedInterfaceNames;
760	QStringList availableInterfaceNames;
761
762	/* Create host network interface names list: */
763	foreach (const CHostNetworkInterface &comNetIface, uiCommon().host().GetNetworkInterfaces())
764	{
765	availableInterfaceNames << comNetIface.GetName();
766	availableInterfaceNames << comNetIface.GetShortName();
767	}
768
769	/* Enumerate all the virtual network adapters: */
770	const ulong cCount = uiCommon().virtualBox().GetSystemProperties().GetMaxNetworkAdapters(machine().GetChipsetType());
771	for (ulong uAdapterIndex = 0; uAdapterIndex < cCount; ++uAdapterIndex)
772	{
773	CNetworkAdapter comNetworkAdapter = machine().GetNetworkAdapter(uAdapterIndex);
774	if (comNetworkAdapter.GetEnabled())
775	{
776	/* Get physical network interface name for
777	* currently enabled network attachement type: */
778	QString strInterfaceName;
779	switch (comNetworkAdapter.GetAttachmentType())
780	{
781	case KNetworkAttachmentType_Bridged:
782	strInterfaceName = comNetworkAdapter.GetBridgedInterface();
783	break;
784	#ifndef VBOX_WITH_VMNET
785	case KNetworkAttachmentType_HostOnly:
786	strInterfaceName = comNetworkAdapter.GetHostOnlyInterface();
787	break;
788	#endif /* !VBOX_WITH_VMNET */
789	default:
790	break;
791	}
792
793	if ( !strInterfaceName.isEmpty()
794	&& !availableInterfaceNames.contains(strInterfaceName))
795	{
796	LogRel(("GUI: Invalid network interface found: %s\n", strInterfaceName.toUtf8().constData()));
797	failedInterfaceNames << QString("%1 (adapter %2)").arg(strInterfaceName).arg(uAdapterIndex + 1);
798	}
799	}
800	}
801
802	/* Check if non-existent interfaces found: */
803	if (!failedInterfaceNames.isEmpty())
804	{
805	if (msgCenter().warnAboutNetworkInterfaceNotFound(machineName(), failedInterfaceNames.join(", ")))
806	machineLogic()->openNetworkSettingsDialog();
807	else
808	{
809	LogRel(("GUI: Aborting startup due to preprocess initialization issue detected...\n"));
810	return false;
811	}
812	}
813	}
814	#endif /* VBOX_WITH_NETFLT */
815
816	/* Check for USB enumeration warning. Don't return false even if we have a warning: */
817	CHost comHost = uiCommon().host();
818	if (comHost.GetUSBDevices().isEmpty() && comHost.isWarning())
819	{
820	/* Do not bitch if USB disabled: */
821	if (!machine().GetUSBControllers().isEmpty())
822	{
823	/* Do not bitch if there are no filters (check if enabled too?): */
824	if (!machine().GetUSBDeviceFilters().GetDeviceFilters().isEmpty())
825	UINotificationMessage::cannotEnumerateHostUSBDevices(comHost);
826	}
827	}
828
829	/* True by default: */
830	return true;
831	}
832
833	bool UISession::mountAdHocImage(KDeviceType enmDeviceType, UIMediumDeviceType enmMediumType, const QString &strMediumName)
834	{
835	/* Get VBox: */
836	CVirtualBox comVBox = uiCommon().virtualBox();
837
838	/* Prepare medium to mount: */
839	UIMedium guiMedium;
840
841	/* The 'none' medium name means ejecting what ever is in the drive,
842	* in that case => leave the guiMedium variable null. */
843	if (strMediumName != "none")
844	{
845	/* Open the medium: */
846	const CMedium comMedium = comVBox.OpenMedium(strMediumName, enmDeviceType, KAccessMode_ReadWrite, false /* fForceNewUuid */);
847	if (!comVBox.isOk() \|\| comMedium.isNull())
848	{
849	UINotificationMessage::cannotOpenMedium(comVBox, strMediumName);
850	return false;
851	}
852
853	/* Make sure medium ID is valid: */
854	const QUuid uMediumId = comMedium.GetId();
855	AssertReturn(!uMediumId.isNull(), false);
856
857	/* Try to find UIMedium among cached: */
858	guiMedium = uiCommon().medium(uMediumId);
859	if (guiMedium.isNull())
860	{
861	/* Cache new one if necessary: */
862	guiMedium = UIMedium(comMedium, enmMediumType, KMediumState_Created);
863	uiCommon().createMedium(guiMedium);
864	}
865	}
866
867	/* Search for a suitable storage slots: */
868	QList<ExactStorageSlot> aFreeStorageSlots;
869	QList<ExactStorageSlot> aBusyStorageSlots;
870	foreach (const CStorageController &comController, machine().GetStorageControllers())
871	{
872	foreach (const CMediumAttachment &comAttachment, machine().GetMediumAttachmentsOfController(comController.GetName()))
873	{
874	/* Look for an optical devices only: */
875	if (comAttachment.GetType() == enmDeviceType)
876	{
877	/* Append storage slot to corresponding list: */
878	if (comAttachment.GetMedium().isNull())
879	aFreeStorageSlots << ExactStorageSlot(comController.GetName(), comController.GetBus(),
880	comAttachment.GetPort(), comAttachment.GetDevice());
881	else
882	aBusyStorageSlots << ExactStorageSlot(comController.GetName(), comController.GetBus(),
883	comAttachment.GetPort(), comAttachment.GetDevice());
884	}
885	}
886	}
887
888	/* Make sure at least one storage slot found: */
889	QList<ExactStorageSlot> sStorageSlots = aFreeStorageSlots + aBusyStorageSlots;
890	if (sStorageSlots.isEmpty())
891	{
892	UINotificationMessage::cannotMountImage(machineName(), strMediumName);
893	return false;
894	}
895
896	/* Try to mount medium into first available storage slot: */
897	while (!sStorageSlots.isEmpty())
898	{
899	const ExactStorageSlot storageSlot = sStorageSlots.takeFirst();
900	machine().MountMedium(storageSlot.controller, storageSlot.port, storageSlot.device, guiMedium.medium(), false /* force */);
901	if (machine().isOk())
902	break;
903	}
904
905	/* Show error message if necessary: */
906	if (!machine().isOk())
907	{
908	msgCenter().cannotRemountMedium(machine(), guiMedium, true /* mount? /, false / retry? */, activeMachineWindow());
909	return false;
910	}
911
912	/* Save machine settings: */
913	machine().SaveSettings();
914
915	/* Show error message if necessary: */
916	if (!machine().isOk())
917	{
918	UINotificationMessage::cannotSaveMachineSettings(machine());
919	return false;
920	}
921
922	/* True by default: */
923	return true;
924	}
925
926	void UISession::recacheMachineMedia()
927	{
928	/* Compose a list of machine media: */
929	CMediumVector comMedia;
930
931	/* Enumerate all the controllers: */
932	foreach (const CStorageController &comController, machine().GetStorageControllers())
933	{
934	/* Enumerate all the attachments: */
935	foreach (const CMediumAttachment &comAttachment, machine().GetMediumAttachmentsOfController(comController.GetName()))
936	{
937	/* Skip unrelated device types: */
938	const KDeviceType enmDeviceType = comAttachment.GetType();
939	if ( enmDeviceType != KDeviceType_HardDisk
940	&& enmDeviceType != KDeviceType_Floppy
941	&& enmDeviceType != KDeviceType_DVD)
942	continue;
943	if ( comAttachment.GetIsEjected()
944	\|\| comAttachment.GetMedium().isNull())
945	continue;
946	comMedia.append(comAttachment.GetMedium());
947	}
948	}
949
950	/* Start media enumeration: */
951	uiCommon().enumerateMedia(comMedia);
952	}
953
954	#ifdef VBOX_GUI_WITH_KEYS_RESET_HANDLER
955	/**
956	* Custom signal handler. When switching VTs, we might not get release events
957	* for Ctrl-Alt and in case a savestate is performed on the new VT, the VM will
958	* be saved with modifier keys stuck. This is annoying enough for introducing
959	* this hack.
960	*/
961	/* static */
962	static void signalHandlerSIGUSR1(int sig, siginfo_t * /* pInfo /, void /pSecret /)
963	{
964	/* Only SIGUSR1 is interesting: */
965	if (sig == SIGUSR1)
966	if (gpMachine)
967	gpMachine->machineLogic()->keyboardHandler()->releaseAllPressedKeys();
968	}
969	#endif /* VBOX_GUI_WITH_KEYS_RESET_HANDLER */

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source: vbox/trunk/src/VBox/Frontends/VirtualBox/src/runtime/UISession.cpp@ 98490

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