Performance.cpp@ 43629

Last change on this file since 43629 was 43629, checked in by vboxsync, 12 years ago
Main/Metrics: Linux fs/disk metrics, VBoxManage filtering + minor fixes (#6345)
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 39.6 KB

Line
1	/* $Id: Performance.cpp 43629 2012-10-12 09:26:07Z vboxsync $ */
2	/** @file
3	* VBox Performance Classes implementation.
4	*/
5
6	/*
7	* Copyright (C) 2008 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	* @todo list:
20	*
21	* 1) Detection of erroneous metric names
22	*/
23
24	#ifndef VBOX_COLLECTOR_TEST_CASE
25	#include "VirtualBoxImpl.h"
26	#include "MachineImpl.h"
27	#endif
28	#include "Performance.h"
29
30	#include <VBox/com/array.h>
31	#include <VBox/com/ptr.h>
32	#include <VBox/com/string.h>
33	#include <VBox/err.h>
34	#include <iprt/string.h>
35	#include <iprt/mem.h>
36	#include <iprt/cpuset.h>
37
38	#include <algorithm>
39
40	#include "Logging.h"
41
42	using namespace pm;
43
44	// Stubs for non-pure virtual methods
45
46	int CollectorHAL::getHostCpuLoad(ULONG * /* user /, ULONG /* kernel /, ULONG /* idle */)
47	{
48	return E_NOTIMPL;
49	}
50
51	int CollectorHAL::getProcessCpuLoad(RTPROCESS /* process /, ULONG /* user /, ULONG /* kernel */)
52	{
53	return E_NOTIMPL;
54	}
55
56	int CollectorHAL::getRawHostCpuLoad(uint64_t * /* user /, uint64_t /* kernel /, uint64_t /* idle */)
57	{
58	return E_NOTIMPL;
59	}
60
61	int CollectorHAL::getRawHostNetworkLoad(const char * /* name /, uint64_t /* rx /, uint64_t /* tx */)
62	{
63	return E_NOTIMPL;
64	}
65
66	int CollectorHAL::getRawHostDiskLoad(const char * /* name /, uint64_t /* disk_ms /, uint64_t /* total_ms */)
67	{
68	return E_NOTIMPL;
69	}
70
71	int CollectorHAL::getRawProcessCpuLoad(RTPROCESS /* process /, uint64_t /* user /, uint64_t /* kernel /, uint64_t /* total */)
72	{
73	return E_NOTIMPL;
74	}
75
76	int CollectorHAL::getHostMemoryUsage(ULONG * /* total /, ULONG /* used /, ULONG /* available */)
77	{
78	return E_NOTIMPL;
79	}
80
81	int CollectorHAL::getHostFilesystemUsage(const char * /* name /, ULONG /* total /, ULONG /* used /, ULONG /* available */)
82	{
83	return E_NOTIMPL;
84	}
85
86	int CollectorHAL::getProcessMemoryUsage(RTPROCESS /* process /, ULONG /* used */)
87	{
88	return E_NOTIMPL;
89	}
90
91	/* Generic implementations */
92
93	int CollectorHAL::getHostCpuMHz(ULONG *mhz)
94	{
95	unsigned cCpus = 0;
96	uint64_t u64TotalMHz = 0;
97	RTCPUSET OnlineSet;
98	RTMpGetOnlineSet(&OnlineSet);
99	for (RTCPUID iCpu = 0; iCpu < RTCPUSET_MAX_CPUS; iCpu++)
100	{
101	LogAleksey(("{%p} " LOG_FN_FMT ": Checking if CPU %d is member of online set...\n",
102	this, __PRETTY_FUNCTION__, (int)iCpu));
103	if (RTCpuSetIsMemberByIndex(&OnlineSet, iCpu))
104	{
105	LogAleksey(("{%p} " LOG_FN_FMT ": Getting frequency for CPU %d...\n",
106	this, __PRETTY_FUNCTION__, (int)iCpu));
107	uint32_t uMHz = RTMpGetCurFrequency(RTMpCpuIdFromSetIndex(iCpu));
108	if (uMHz != 0)
109	{
110	LogAleksey(("{%p} " LOG_FN_FMT ": CPU %d %u MHz\n",
111	this, __PRETTY_FUNCTION__, (int)iCpu, uMHz));
112	u64TotalMHz += uMHz;
113	cCpus++;
114	}
115	}
116	}
117
118	AssertReturn(cCpus, VERR_NOT_IMPLEMENTED);
119	*mhz = (ULONG)(u64TotalMHz / cCpus);
120
121	return VINF_SUCCESS;
122	}
123
124	#ifndef VBOX_COLLECTOR_TEST_CASE
125
126	CollectorGuestQueue::CollectorGuestQueue()
127	{
128	mEvent = NIL_RTSEMEVENT;
129	RTSemEventCreate(&mEvent);
130	}
131
132	CollectorGuestQueue::~CollectorGuestQueue()
133	{
134	RTSemEventDestroy(mEvent);
135	}
136
137	void CollectorGuestQueue::push(CollectorGuestRequest* rq)
138	{
139	RTCLock lock(mLockMtx);
140
141	mQueue.push(rq);
142	RTSemEventSignal(mEvent);
143	}
144
145	CollectorGuestRequest* CollectorGuestQueue::pop()
146	{
147	int rc = VINF_SUCCESS;
148	CollectorGuestRequest* rq = NULL;
149
150	do
151	{
152	{
153	RTCLock lock(mLockMtx);
154
155	if (!mQueue.empty())
156	{
157	rq = mQueue.front();
158	mQueue.pop();
159	}
160	}
161
162	if (rq)
163	return rq;
164	else
165	rc = RTSemEventWaitNoResume(mEvent, RT_INDEFINITE_WAIT);
166	}
167	while (RT_SUCCESS(rc));
168
169	return NULL;
170	}
171
172	int CGRQEnable::execute()
173	{
174	Assert(mCGuest);
175	return mCGuest->enableInternal(mMask);
176	}
177
178	void CGRQEnable::debugPrint(void aObject, const char aFunction, const char *aText)
179	{
180	NOREF(aObject);
181	NOREF(aFunction);
182	NOREF(aText);
183	LogAleksey(("{%p} " LOG_FN_FMT ": CGRQEnable(mask=0x%x) %s\n",
184	aObject, aFunction, mMask, aText));
185	}
186
187	int CGRQDisable::execute()
188	{
189	Assert(mCGuest);
190	return mCGuest->disableInternal(mMask);
191	}
192
193	void CGRQDisable::debugPrint(void aObject, const char aFunction, const char *aText)
194	{
195	NOREF(aObject);
196	NOREF(aFunction);
197	NOREF(aText);
198	LogAleksey(("{%p} " LOG_FN_FMT ": CGRQDisable(mask=0x%x) %s\n",
199	aObject, aFunction, mMask, aText));
200	}
201
202	int CGRQAbort::execute()
203	{
204	return E_ABORT;
205	}
206
207	void CGRQAbort::debugPrint(void aObject, const char aFunction, const char *aText)
208	{
209	NOREF(aObject);
210	NOREF(aFunction);
211	NOREF(aText);
212	LogAleksey(("{%p} " LOG_FN_FMT ": CGRQAbort %s\n",
213	aObject, aFunction, aText));
214	}
215
216	CollectorGuest::CollectorGuest(Machine *machine, RTPROCESS process) :
217	mUnregistered(false), mEnabled(false), mValid(false), mMachine(machine), mProcess(process),
218	mCpuUser(0), mCpuKernel(0), mCpuIdle(0),
219	mMemTotal(0), mMemFree(0), mMemBalloon(0), mMemShared(0), mMemCache(0), mPageTotal(0),
220	mAllocVMM(0), mFreeVMM(0), mBalloonedVMM(0), mSharedVMM(0)
221	{
222	Assert(mMachine);
223	/* cannot use ComObjPtr<Machine> in Performance.h, do it manually */
224	mMachine->AddRef();
225	}
226
227	CollectorGuest::~CollectorGuest()
228	{
229	/* cannot use ComObjPtr<Machine> in Performance.h, do it manually */
230	mMachine->Release();
231	// Assert(!cEnabled); why?
232	}
233
234	int CollectorGuest::enableVMMStats(bool mCollectVMMStats)
235	{
236	HRESULT ret = S_OK;
237
238	if (mGuest)
239	{
240	/* @todo: replace this with a direct call to mGuest in trunk! */
241	AutoCaller autoCaller(mMachine);
242	if (FAILED(autoCaller.rc())) return autoCaller.rc();
243
244	ComPtr<IInternalSessionControl> directControl;
245
246	ret = mMachine->getDirectControl(&directControl);
247	if (ret != S_OK)
248	return ret;
249
250	/* enable statistics collection; this is a remote call (!) */
251	ret = directControl->EnableVMMStatistics(mCollectVMMStats);
252	LogAleksey(("{%p} " LOG_FN_FMT ": %sable VMM stats (%s)\n",
253	this, __PRETTY_FUNCTION__, mCollectVMMStats?"En":"Dis",
254	SUCCEEDED(ret)?"success":"failed"));
255	}
256
257	return ret;
258	}
259
260	int CollectorGuest::enable(ULONG mask)
261	{
262	return enqueueRequest(new CGRQEnable(mask));
263	}
264
265	int CollectorGuest::disable(ULONG mask)
266	{
267	return enqueueRequest(new CGRQDisable(mask));
268	}
269
270	int CollectorGuest::enableInternal(ULONG mask)
271	{
272	HRESULT ret = S_OK;
273
274	if ((mEnabled & mask) == mask)
275	return E_UNEXPECTED;
276
277	if (!mEnabled)
278	{
279	/* Must make sure that the machine object does not get uninitialized
280	* in the middle of enabling this collector. Causes timing-related
281	* behavior otherwise, which we don't want. In particular the
282	* GetRemoteConsole call below can hang if the VM didn't completely
283	* terminate (the VM processes stop processing events shortly before
284	* closing the session). This avoids the hang. */
285	AutoCaller autoCaller(mMachine);
286	if (FAILED(autoCaller.rc())) return autoCaller.rc();
287
288	mMachineName = mMachine->getName();
289
290	ComPtr<IInternalSessionControl> directControl;
291
292	ret = mMachine->getDirectControl(&directControl);
293	if (ret != S_OK)
294	return ret;
295
296	/* get the associated console; this is a remote call (!) */
297	ret = directControl->GetRemoteConsole(mConsole.asOutParam());
298	if (ret != S_OK)
299	return ret;
300
301	ret = mConsole->COMGETTER(Guest)(mGuest.asOutParam());
302	if (ret == S_OK)
303	{
304	ret = mGuest->COMSETTER(StatisticsUpdateInterval)(1 /* 1 sec */);
305	LogAleksey(("{%p} " LOG_FN_FMT ": Set guest statistics update interval to 1 sec (%s)\n",
306	this, __PRETTY_FUNCTION__, SUCCEEDED(ret)?"success":"failed"));
307	}
308	}
309	if ((mask & GUESTSTATS_VMMRAM) == GUESTSTATS_VMMRAM)
310	enableVMMStats(true);
311	mEnabled \|= mask;
312
313	return ret;
314	}
315
316	int CollectorGuest::disableInternal(ULONG mask)
317	{
318	if (!(mEnabled & mask))
319	return E_UNEXPECTED;
320
321	if ((mask & GUESTSTATS_VMMRAM) == GUESTSTATS_VMMRAM)
322	enableVMMStats(false);
323	mEnabled &= ~mask;
324	if (!mEnabled)
325	{
326	Assert(mGuest && mConsole);
327	HRESULT ret = mGuest->COMSETTER(StatisticsUpdateInterval)(0 /* off */);
328	NOREF(ret);
329	LogAleksey(("{%p} " LOG_FN_FMT ": Set guest statistics update interval to 0 sec (%s)\n",
330	this, __PRETTY_FUNCTION__, SUCCEEDED(ret)?"success":"failed"));
331	invalidate(GUESTSTATS_ALL);
332	}
333
334	return S_OK;
335	}
336
337	int CollectorGuest::enqueueRequest(CollectorGuestRequest *aRequest)
338	{
339	if (mManager)
340	{
341	aRequest->setGuest(this);
342	return mManager->enqueueRequest(aRequest);
343	}
344
345	LogAleksey(("{%p} " LOG_FN_FMT ": Attempted enqueue guest request when mManager is null\n",
346	this, __PRETTY_FUNCTION__));
347	return E_POINTER;
348	}
349
350	void CollectorGuest::updateStats(ULONG aValidStats, ULONG aCpuUser,
351	ULONG aCpuKernel, ULONG aCpuIdle,
352	ULONG aMemTotal, ULONG aMemFree,
353	ULONG aMemBalloon, ULONG aMemShared,
354	ULONG aMemCache, ULONG aPageTotal,
355	ULONG aAllocVMM, ULONG aFreeVMM,
356	ULONG aBalloonedVMM, ULONG aSharedVMM)
357	{
358	if ((aValidStats & GUESTSTATS_CPULOAD) == GUESTSTATS_CPULOAD)
359	{
360	mCpuUser = aCpuUser;
361	mCpuKernel = aCpuKernel,
362	mCpuIdle = aCpuIdle;
363	}
364	if ((aValidStats & GUESTSTATS_RAMUSAGE) == GUESTSTATS_RAMUSAGE)
365	{
366	mMemTotal = aMemTotal;
367	mMemFree = aMemFree;
368	mMemBalloon = aMemBalloon;
369	mMemShared = aMemShared;
370	mMemCache = aMemCache;
371	mPageTotal = aPageTotal;
372	}
373	if ((aValidStats & GUESTSTATS_VMMRAM) == GUESTSTATS_VMMRAM)
374	{
375	mAllocVMM = aAllocVMM;
376	mFreeVMM = aFreeVMM;
377	mBalloonedVMM = aBalloonedVMM;
378	mSharedVMM = aSharedVMM;
379	}
380	mValid = aValidStats;
381	}
382
383	CollectorGuestManager::CollectorGuestManager()
384	: mVMMStatsProvider(NULL), mGuestBeingCalled(NULL)
385	{
386	int rc = RTThreadCreate(&mThread, CollectorGuestManager::requestProcessingThread,
387	this, 0, RTTHREADTYPE_MAIN_WORKER, RTTHREADFLAGS_WAITABLE,
388	"CGMgr");
389	NOREF(rc);
390	LogAleksey(("{%p} " LOG_FN_FMT ": RTThreadCreate returned %u (mThread=%p)\n",
391	this, __PRETTY_FUNCTION__, rc));
392	}
393
394	CollectorGuestManager::~CollectorGuestManager()
395	{
396	Assert(mGuests.size() == 0);
397	int rcThread = 0;
398	int rc = enqueueRequest(new CGRQAbort());
399	if (SUCCEEDED(rc))
400	{
401	/* We wait only if we were able to put the abort request to a queue */
402	LogAleksey(("{%p} " LOG_FN_FMT ": Waiting for CGM request processing thread to stop...\n",
403	this, __PRETTY_FUNCTION__));
404	rc = RTThreadWait(mThread, 1000 /* 1 sec */, &rcThread);
405	LogAleksey(("{%p} " LOG_FN_FMT ": RTThreadWait returned %u (thread exit code: %u)\n",
406	this, __PRETTY_FUNCTION__, rc, rcThread));
407	}
408	}
409
410	void CollectorGuestManager::registerGuest(CollectorGuest* pGuest)
411	{
412	pGuest->setManager(this);
413	mGuests.push_back(pGuest);
414	/*
415	* If no VMM stats provider was elected previously than this is our
416	* candidate.
417	*/
418	if (!mVMMStatsProvider)
419	mVMMStatsProvider = pGuest;
420	LogAleksey(("{%p} " LOG_FN_FMT ": Registered guest=%p provider=%p\n",
421	this, __PRETTY_FUNCTION__, pGuest, mVMMStatsProvider));
422	}
423
424	void CollectorGuestManager::unregisterGuest(CollectorGuest* pGuest)
425	{
426	int rc = S_OK;
427
428	LogAleksey(("{%p} " LOG_FN_FMT ": About to unregister guest=%p provider=%p\n",
429	this, __PRETTY_FUNCTION__, pGuest, mVMMStatsProvider));
430	//mGuests.remove(pGuest); => destroyUnregistered()
431	pGuest->unregister();
432	if (pGuest == mVMMStatsProvider)
433	{
434	/* This was our VMM stats provider, it is time to re-elect */
435	CollectorGuestList::iterator it;
436	/* Assume that nobody can provide VMM stats */
437	mVMMStatsProvider = NULL;
438
439	for (it = mGuests.begin(); it != mGuests.end(); it++)
440	{
441	/* Skip unregistered as they are about to be destroyed */
442	if ((*it)->isUnregistered())
443	continue;
444
445	if ((*it)->isEnabled())
446	{
447	/* Found the guest already collecting stats, elect it */
448	mVMMStatsProvider = *it;
449	rc = mVMMStatsProvider->enqueueRequest(new CGRQEnable(GUESTSTATS_VMMRAM));
450	if (FAILED(rc))
451	{
452	/* This is not a good candidate -- try to find another */
453	mVMMStatsProvider = NULL;
454	continue;
455	}
456	break;
457	}
458	}
459	if (!mVMMStatsProvider)
460	{
461	/* If nobody collects stats, take the first registered */
462	for (it = mGuests.begin(); it != mGuests.end(); it++)
463	{
464	/* Skip unregistered as they are about to be destroyed */
465	if ((*it)->isUnregistered())
466	continue;
467
468	mVMMStatsProvider = *it;
469	//mVMMStatsProvider->enable(GUESTSTATS_VMMRAM);
470	rc = mVMMStatsProvider->enqueueRequest(new CGRQEnable(GUESTSTATS_VMMRAM));
471	if (SUCCEEDED(rc))
472	break;
473	/* This was not a good candidate -- try to find another */
474	mVMMStatsProvider = NULL;
475	}
476	}
477	}
478	LogAleksey(("{%p} " LOG_FN_FMT ": LEAVE new provider=%p\n",
479	this, __PRETTY_FUNCTION__, mVMMStatsProvider));
480	}
481
482	void CollectorGuestManager::destroyUnregistered()
483	{
484	CollectorGuestList::iterator it;
485
486	for (it = mGuests.begin(); it != mGuests.end();)
487	if ((*it)->isUnregistered())
488	{
489	delete *it;
490	it = mGuests.erase(it);
491	LogAleksey(("{%p} " LOG_FN_FMT ": Number of guests after erasing unregistered is %d\n",
492	this, __PRETTY_FUNCTION__, mGuests.size()));
493	}
494	else
495	++it;
496	}
497
498	int CollectorGuestManager::enqueueRequest(CollectorGuestRequest *aRequest)
499	{
500	#ifdef DEBUG
501	aRequest->debugPrint(this, __PRETTY_FUNCTION__, "added to CGM queue");
502	#endif /* DEBUG */
503	/*
504	* It is very unlikely that we will get high frequency calls to configure
505	* guest metrics collection, so we rely on this fact to detect blocked
506	* guests. If the guest has not finished processing the previous request
507	* after half a second we consider it blocked.
508	*/
509	if (aRequest->getGuest() && aRequest->getGuest() == mGuestBeingCalled)
510	{
511	/*
512	* Before we can declare a guest blocked we need to wait for a while
513	* and then check again as it may never had a chance to process
514	* the previous request. Half a second is an eternity for processes
515	* and is barely noticable by humans.
516	*/
517	LogAleksey(("{%p} " LOG_FN_FMT ": Suspecting %s is stalled. Waiting for .5 sec...\n",
518	this, __PRETTY_FUNCTION__,
519	aRequest->getGuest()->getVMName().c_str()));
520	RTThreadSleep(500 /* ms */);
521	if (aRequest->getGuest() == mGuestBeingCalled) {
522	LogAleksey(("{%p} " LOG_FN_FMT ": Request processing stalled for %s\n",
523	this, __PRETTY_FUNCTION__,
524	aRequest->getGuest()->getVMName().c_str()));
525	/* Request execution got stalled for this guest -- report an error */
526	return E_FAIL;
527	}
528	}
529	mQueue.push(aRequest);
530	return S_OK;
531	}
532
533	/* static */
534	DECLCALLBACK(int) CollectorGuestManager::requestProcessingThread(RTTHREAD /* aThread /, void pvUser)
535	{
536	CollectorGuestRequest *pReq;
537	CollectorGuestManager mgr = static_cast<CollectorGuestManager>(pvUser);
538
539	HRESULT rc = S_OK;
540
541	LogAleksey(("{%p} " LOG_FN_FMT ": Starting request processing loop...\n",
542	mgr, __PRETTY_FUNCTION__));
543	while ((pReq = mgr->mQueue.pop()) != NULL)
544	{
545	#ifdef DEBUG
546	pReq->debugPrint(mgr, __PRETTY_FUNCTION__, "is being executed...");
547	#endif /* DEBUG */
548	mgr->mGuestBeingCalled = pReq->getGuest();
549	rc = pReq->execute();
550	mgr->mGuestBeingCalled = NULL;
551	delete pReq;
552	if (rc == E_ABORT)
553	break;
554	if (FAILED(rc))
555	LogAleksey(("{%p} " LOG_FN_FMT ": request::execute returned %u\n",
556	mgr, __PRETTY_FUNCTION__, rc));
557	}
558	LogAleksey(("{%p} " LOG_FN_FMT ": Exiting request processing loop... rc=%u\n",
559	mgr, __PRETTY_FUNCTION__, rc));
560
561	return VINF_SUCCESS;
562	}
563
564
565	#endif /* !VBOX_COLLECTOR_TEST_CASE */
566
567	bool BaseMetric::collectorBeat(uint64_t nowAt)
568	{
569	if (isEnabled())
570	{
571	if (mLastSampleTaken == 0)
572	{
573	mLastSampleTaken = nowAt;
574	Log4(("{%p} " LOG_FN_FMT ": Collecting %s for obj(%p)...\n",
575	this, __PRETTY_FUNCTION__, getName(), (void *)mObject));
576	return true;
577	}
578	/*
579	* We use low resolution timers which may fire just a little bit early.
580	* We compensate for that by jumping into the future by several
581	* milliseconds (see @bugref{6345}).
582	*/
583	if (nowAt - mLastSampleTaken + PM_SAMPLER_PRECISION_MS >= mPeriod * 1000)
584	{
585	/*
586	* We don't want the beat to drift. This is why the timestamp of
587	* the last taken sample is not the actual time but the time we
588	* should have taken the measurement at.
589	*/
590	mLastSampleTaken += mPeriod * 1000;
591	Log4(("{%p} " LOG_FN_FMT ": Collecting %s for obj(%p)...\n",
592	this, __PRETTY_FUNCTION__, getName(), (void *)mObject));
593	return true;
594	}
595	Log4(("{%p} " LOG_FN_FMT ": Enabled but too early to collect %s for obj(%p)\n",
596	this, __PRETTY_FUNCTION__, getName(), (void *)mObject));
597	}
598	return false;
599	}
600
601	void HostCpuLoad::init(ULONG period, ULONG length)
602	{
603	mPeriod = period;
604	mLength = length;
605	mUser->init(mLength);
606	mKernel->init(mLength);
607	mIdle->init(mLength);
608	}
609
610	void HostCpuLoad::collect()
611	{
612	ULONG user, kernel, idle;
613	int rc = mHAL->getHostCpuLoad(&user, &kernel, &idle);
614	if (RT_SUCCESS(rc))
615	{
616	mUser->put(user);
617	mKernel->put(kernel);
618	mIdle->put(idle);
619	}
620	}
621
622	void HostCpuLoadRaw::preCollect(CollectorHints& hints, uint64_t /* iTick */)
623	{
624	hints.collectHostCpuLoad();
625	}
626
627	void HostCpuLoadRaw::collect()
628	{
629	uint64_t user, kernel, idle;
630	uint64_t userDiff, kernelDiff, idleDiff, totalDiff;
631
632	int rc = mHAL->getRawHostCpuLoad(&user, &kernel, &idle);
633	if (RT_SUCCESS(rc))
634	{
635	userDiff = user - mUserPrev;
636	kernelDiff = kernel - mKernelPrev;
637	idleDiff = idle - mIdlePrev;
638	totalDiff = userDiff + kernelDiff + idleDiff;
639
640	if (totalDiff == 0)
641	{
642	/* This is only possible if none of counters has changed! */
643	LogFlowThisFunc(("Impossible! User, kernel and idle raw "
644	"counters has not changed since last sample.\n" ));
645	mUser->put(0);
646	mKernel->put(0);
647	mIdle->put(0);
648	}
649	else
650	{
651	mUser->put((ULONG)(PM_CPU_LOAD_MULTIPLIER * userDiff / totalDiff));
652	mKernel->put((ULONG)(PM_CPU_LOAD_MULTIPLIER * kernelDiff / totalDiff));
653	mIdle->put((ULONG)(PM_CPU_LOAD_MULTIPLIER * idleDiff / totalDiff));
654	}
655
656	mUserPrev = user;
657	mKernelPrev = kernel;
658	mIdlePrev = idle;
659	}
660	}
661
662	void HostNetworkLoadRaw::init(ULONG period, ULONG length)
663	{
664	mPeriod = period;
665	mLength = length;
666	mRx->init(mLength);
667	mTx->init(mLength);
668	int rc = mHAL->getRawHostNetworkLoad(mShortName.c_str(), &mRxPrev, &mTxPrev);
669	//AssertRC(rc);
670	}
671
672	void HostNetworkLoadRaw::preCollect(CollectorHints& /* hints /, uint64_t / iTick */)
673	{
674	if (RT_FAILURE(mRc))
675	{
676	ComPtr<IHostNetworkInterface> networkInterface;
677	ComPtr<IHost> host = getObject();
678	HRESULT hrc = host->FindHostNetworkInterfaceByName(com::Bstr(mInterfaceName).raw(), networkInterface.asOutParam());
679	if (SUCCEEDED(hrc))
680	{
681	LogRel(("Failed to collect network metrics for %s: %Rrc (%d).\n", mInterfaceName.c_str(), mRc, mRc));
682	mRc = VINF_SUCCESS;
683	}
684	}
685	}
686
687	void HostNetworkLoadRaw::collect()
688	{
689	uint64_t rx, tx;
690
691	mRc = mHAL->getRawHostNetworkLoad(mShortName.c_str(), &rx, &tx);
692	if (RT_SUCCESS(mRc))
693	{
694	uint64_t rxDiff = rx - mRxPrev;
695	uint64_t txDiff = tx - mTxPrev;
696
697	if (RT_UNLIKELY(mSpeed * getPeriod() == 0))
698	{
699	LogFlowThisFunc(("Check cable for %s! speed=%llu period=%d.\n", mShortName.c_str(), mSpeed, getPeriod()));
700	mRx->put(0);
701	mTx->put(0);
702	}
703	else
704	{
705	mRx->put((ULONG)(PM_NETWORK_LOAD_MULTIPLIER * rxDiff / (mSpeed * getPeriod())));
706	mTx->put((ULONG)(PM_NETWORK_LOAD_MULTIPLIER * txDiff / (mSpeed * getPeriod())));
707	}
708
709	mRxPrev = rx;
710	mTxPrev = tx;
711	}
712	else
713	LogFlowThisFunc(("Failed to collect data: %Rrc (%d)."
714	" Will update the list of interfaces...\n", mRc,mRc));
715	}
716
717	void HostDiskLoadRaw::init(ULONG period, ULONG length)
718	{
719	mPeriod = period;
720	mLength = length;
721	mUtil->init(mLength);
722	int rc = mHAL->getRawHostDiskLoad(mDiskName.c_str(), &mDiskPrev, &mTotalPrev);
723	AssertRC(rc);
724	}
725
726	void HostDiskLoadRaw::preCollect(CollectorHints& hints, uint64_t /* iTick */)
727	{
728	hints.collectHostCpuLoad();
729	}
730
731	void HostDiskLoadRaw::collect()
732	{
733	uint64_t disk, total;
734
735	int rc = mHAL->getRawHostDiskLoad(mDiskName.c_str(), &disk, &total);
736	if (RT_SUCCESS(rc))
737	{
738	uint64_t diskDiff = disk - mDiskPrev;
739	uint64_t totalDiff = total - mTotalPrev;
740
741	if (RT_UNLIKELY(totalDiff == 0))
742	{
743	Assert(totalDiff);
744	LogFlowThisFunc(("Improbable! Less than millisecond passed! Disk=%s\n", mDiskName.c_str()));
745	mUtil->put(0);
746	}
747	else if (diskDiff > totalDiff)
748	{
749	/*
750	* It is possible that the disk spent more time than CPU because
751	* CPU measurements are taken during the pre-collect phase. We try
752	* to compensate for than by adding the extra to the next round of
753	* measurements.
754	*/
755	mUtil->put(PM_NETWORK_LOAD_MULTIPLIER);
756	Assert((diskDiff - totalDiff) < mPeriod * 1000);
757	if ((diskDiff - totalDiff) > mPeriod * 1000)
758	{
759	LogRel(("Disk utilization time exceeds CPU time by more"
760	" than the collection period (%llu ms)\n", diskDiff - totalDiff));
761	}
762	else
763	{
764	disk = mDiskPrev + totalDiff;
765	LogFlowThisFunc(("Moved %u milliseconds to the next period.\n", (unsigned)(diskDiff - totalDiff)));
766	}
767	}
768	else
769	{
770	mUtil->put((ULONG)(PM_NETWORK_LOAD_MULTIPLIER * diskDiff / totalDiff));
771	}
772
773	mDiskPrev = disk;
774	mTotalPrev = total;
775	}
776	else
777	LogFlowThisFunc(("Failed to collect data: %Rrc (%d).\n", rc));
778	}
779
780	void HostCpuMhz::init(ULONG period, ULONG length)
781	{
782	mPeriod = period;
783	mLength = length;
784	mMHz->init(mLength);
785	}
786
787	void HostCpuMhz::collect()
788	{
789	ULONG mhz;
790	int rc = mHAL->getHostCpuMHz(&mhz);
791	if (RT_SUCCESS(rc))
792	mMHz->put(mhz);
793	}
794
795	void HostRamUsage::init(ULONG period, ULONG length)
796	{
797	mPeriod = period;
798	mLength = length;
799	mTotal->init(mLength);
800	mUsed->init(mLength);
801	mAvailable->init(mLength);
802	}
803
804	void HostRamUsage::preCollect(CollectorHints& hints, uint64_t /* iTick */)
805	{
806	hints.collectHostRamUsage();
807	}
808
809	void HostRamUsage::collect()
810	{
811	ULONG total, used, available;
812	int rc = mHAL->getHostMemoryUsage(&total, &used, &available);
813	if (RT_SUCCESS(rc))
814	{
815	mTotal->put(total);
816	mUsed->put(used);
817	mAvailable->put(available);
818
819	}
820	}
821
822	void HostFilesystemUsage::init(ULONG period, ULONG length)
823	{
824	mPeriod = period;
825	mLength = length;
826	mTotal->init(mLength);
827	mUsed->init(mLength);
828	mAvailable->init(mLength);
829	}
830
831	void HostFilesystemUsage::preCollect(CollectorHints& /* hints /, uint64_t / iTick */)
832	{
833	}
834
835	void HostFilesystemUsage::collect()
836	{
837	ULONG total, used, available;
838	int rc = mHAL->getHostFilesystemUsage(mFsName.c_str(), &total, &used, &available);
839	if (RT_SUCCESS(rc))
840	{
841	mTotal->put(total);
842	mUsed->put(used);
843	mAvailable->put(available);
844
845	}
846	}
847
848	#ifndef VBOX_COLLECTOR_TEST_CASE
849	void HostRamVmm::init(ULONG period, ULONG length)
850	{
851	mPeriod = period;
852	mLength = length;
853	mAllocVMM->init(mLength);
854	mFreeVMM->init(mLength);
855	mBalloonVMM->init(mLength);
856	mSharedVMM->init(mLength);
857	}
858
859	int HostRamVmm::enable()
860	{
861	int rc = S_OK;
862	CollectorGuest *provider = mCollectorGuestManager->getVMMStatsProvider();
863	if (provider)
864	rc = provider->enable(GUESTSTATS_VMMRAM);
865	BaseMetric::enable();
866	return rc;
867	}
868
869	int HostRamVmm::disable()
870	{
871	int rc = S_OK;
872	BaseMetric::disable();
873	CollectorGuest *provider = mCollectorGuestManager->getVMMStatsProvider();
874	if (provider)
875	rc = provider->disable(GUESTSTATS_VMMRAM);
876	return rc;
877	}
878
879	void HostRamVmm::preCollect(CollectorHints& hints, uint64_t /* iTick */)
880	{
881	hints.collectHostRamVmm();
882	}
883
884	void HostRamVmm::collect()
885	{
886	CollectorGuest *provider = mCollectorGuestManager->getVMMStatsProvider();
887	if (provider)
888	{
889	LogAleksey(("{%p} " LOG_FN_FMT ": provider=%p enabled=%s valid=%s...\n",
890	this, __PRETTY_FUNCTION__, provider, provider->isEnabled()?"y":"n",
891	provider->isValid(GUESTSTATS_VMMRAM)?"y":"n"));
892	if (provider->isValid(GUESTSTATS_VMMRAM))
893	{
894	/* Provider is ready, get updated stats */
895	mAllocCurrent = provider->getAllocVMM();
896	mFreeCurrent = provider->getFreeVMM();
897	mBalloonedCurrent = provider->getBalloonedVMM();
898	mSharedCurrent = provider->getSharedVMM();
899	provider->invalidate(GUESTSTATS_VMMRAM);
900	}
901	/*
902	* Note that if there are no new values from the provider we will use
903	* the ones most recently provided instead of zeros, which is probably
904	* a desirable behavior.
905	*/
906	}
907	else
908	{
909	mAllocCurrent = 0;
910	mFreeCurrent = 0;
911	mBalloonedCurrent = 0;
912	mSharedCurrent = 0;
913	}
914	LogAleksey(("{%p} " LOG_FN_FMT ": mAllocCurrent=%u mFreeCurrent=%u mBalloonedCurrent=%u mSharedCurrent=%u\n",
915	this, __PRETTY_FUNCTION__,
916	mAllocCurrent, mFreeCurrent, mBalloonedCurrent, mSharedCurrent));
917	mAllocVMM->put(mAllocCurrent);
918	mFreeVMM->put(mFreeCurrent);
919	mBalloonVMM->put(mBalloonedCurrent);
920	mSharedVMM->put(mSharedCurrent);
921	}
922	#endif /* !VBOX_COLLECTOR_TEST_CASE */
923
924
925
926	void MachineCpuLoad::init(ULONG period, ULONG length)
927	{
928	mPeriod = period;
929	mLength = length;
930	mUser->init(mLength);
931	mKernel->init(mLength);
932	}
933
934	void MachineCpuLoad::collect()
935	{
936	ULONG user, kernel;
937	int rc = mHAL->getProcessCpuLoad(mProcess, &user, &kernel);
938	if (RT_SUCCESS(rc))
939	{
940	mUser->put(user);
941	mKernel->put(kernel);
942	}
943	}
944
945	void MachineCpuLoadRaw::preCollect(CollectorHints& hints, uint64_t /* iTick */)
946	{
947	hints.collectProcessCpuLoad(mProcess);
948	}
949
950	void MachineCpuLoadRaw::collect()
951	{
952	uint64_t processUser, processKernel, hostTotal;
953
954	int rc = mHAL->getRawProcessCpuLoad(mProcess, &processUser, &processKernel, &hostTotal);
955	if (RT_SUCCESS(rc))
956	{
957	if (hostTotal == mHostTotalPrev)
958	{
959	/* Nearly impossible, but... */
960	mUser->put(0);
961	mKernel->put(0);
962	}
963	else
964	{
965	mUser->put((ULONG)(PM_CPU_LOAD_MULTIPLIER * (processUser - mProcessUserPrev) / (hostTotal - mHostTotalPrev)));
966	mKernel->put((ULONG)(PM_CPU_LOAD_MULTIPLIER * (processKernel - mProcessKernelPrev ) / (hostTotal - mHostTotalPrev)));
967	}
968
969	mHostTotalPrev = hostTotal;
970	mProcessUserPrev = processUser;
971	mProcessKernelPrev = processKernel;
972	}
973	}
974
975	void MachineRamUsage::init(ULONG period, ULONG length)
976	{
977	mPeriod = period;
978	mLength = length;
979	mUsed->init(mLength);
980	}
981
982	void MachineRamUsage::preCollect(CollectorHints& hints, uint64_t /* iTick */)
983	{
984	hints.collectProcessRamUsage(mProcess);
985	}
986
987	void MachineRamUsage::collect()
988	{
989	ULONG used;
990	int rc = mHAL->getProcessMemoryUsage(mProcess, &used);
991	if (RT_SUCCESS(rc))
992	mUsed->put(used);
993	}
994
995
996	#ifndef VBOX_COLLECTOR_TEST_CASE
997	void GuestCpuLoad::init(ULONG period, ULONG length)
998	{
999	mPeriod = period;
1000	mLength = length;
1001
1002	mUser->init(mLength);
1003	mKernel->init(mLength);
1004	mIdle->init(mLength);
1005	}
1006
1007	void GuestCpuLoad::preCollect(CollectorHints& hints, uint64_t /* iTick */)
1008	{
1009	hints.collectGuestStats(mCGuest->getProcess());
1010	}
1011
1012	void GuestCpuLoad::collect()
1013	{
1014	if (mCGuest->isValid(GUESTSTATS_CPULOAD))
1015	{
1016	mUser->put((ULONG)(PM_CPU_LOAD_MULTIPLIER * mCGuest->getCpuUser()) / 100);
1017	mKernel->put((ULONG)(PM_CPU_LOAD_MULTIPLIER * mCGuest->getCpuKernel()) / 100);
1018	mIdle->put((ULONG)(PM_CPU_LOAD_MULTIPLIER * mCGuest->getCpuIdle()) / 100);
1019	mCGuest->invalidate(GUESTSTATS_CPULOAD);
1020	}
1021	}
1022
1023	int GuestCpuLoad::enable()
1024	{
1025	int rc = mCGuest->enable(GUESTSTATS_CPULOAD);
1026	BaseMetric::enable();
1027	return rc;
1028	}
1029
1030	int GuestCpuLoad::disable()
1031	{
1032	BaseMetric::disable();
1033	return mCGuest->disable(GUESTSTATS_CPULOAD);
1034	}
1035
1036	void GuestRamUsage::init(ULONG period, ULONG length)
1037	{
1038	mPeriod = period;
1039	mLength = length;
1040
1041	mTotal->init(mLength);
1042	mFree->init(mLength);
1043	mBallooned->init(mLength);
1044	mShared->init(mLength);
1045	mCache->init(mLength);
1046	mPagedTotal->init(mLength);
1047	}
1048
1049	void GuestRamUsage::collect()
1050	{
1051	if (mCGuest->isValid(GUESTSTATS_RAMUSAGE))
1052	{
1053	mTotal->put(mCGuest->getMemTotal());
1054	mFree->put(mCGuest->getMemFree());
1055	mBallooned->put(mCGuest->getMemBalloon());
1056	mShared->put(mCGuest->getMemShared());
1057	mCache->put(mCGuest->getMemCache());
1058	mPagedTotal->put(mCGuest->getPageTotal());
1059	mCGuest->invalidate(GUESTSTATS_RAMUSAGE);
1060	}
1061	}
1062
1063	int GuestRamUsage::enable()
1064	{
1065	int rc = mCGuest->enable(GUESTSTATS_RAMUSAGE);
1066	BaseMetric::enable();
1067	return rc;
1068	}
1069
1070	int GuestRamUsage::disable()
1071	{
1072	BaseMetric::disable();
1073	return mCGuest->disable(GUESTSTATS_RAMUSAGE);
1074	}
1075
1076	void GuestRamUsage::preCollect(CollectorHints& hints, uint64_t /* iTick */)
1077	{
1078	hints.collectGuestStats(mCGuest->getProcess());
1079	}
1080	#endif /* !VBOX_COLLECTOR_TEST_CASE */
1081
1082	void CircularBuffer::init(ULONG ulLength)
1083	{
1084	if (mData)
1085	RTMemFree(mData);
1086	mLength = ulLength;
1087	if (mLength)
1088	mData = (ULONG)RTMemAllocZ(ulLength sizeof(ULONG));
1089	else
1090	mData = NULL;
1091	mWrapped = false;
1092	mEnd = 0;
1093	mSequenceNumber = 0;
1094	}
1095
1096	ULONG CircularBuffer::length()
1097	{
1098	return mWrapped ? mLength : mEnd;
1099	}
1100
1101	void CircularBuffer::put(ULONG value)
1102	{
1103	if (mData)
1104	{
1105	mData[mEnd++] = value;
1106	if (mEnd >= mLength)
1107	{
1108	mEnd = 0;
1109	mWrapped = true;
1110	}
1111	++mSequenceNumber;
1112	}
1113	}
1114
1115	void CircularBuffer::copyTo(ULONG *data)
1116	{
1117	if (mWrapped)
1118	{
1119	memcpy(data, mData + mEnd, (mLength - mEnd) * sizeof(ULONG));
1120	// Copy the wrapped part
1121	if (mEnd)
1122	memcpy(data + (mLength - mEnd), mData, mEnd * sizeof(ULONG));
1123	}
1124	else
1125	memcpy(data, mData, mEnd * sizeof(ULONG));
1126	}
1127
1128	void SubMetric::query(ULONG *data)
1129	{
1130	copyTo(data);
1131	}
1132
1133	void Metric::query(ULONG *data, ULONG count, ULONG *sequenceNumber)
1134	{
1135	ULONG length;
1136	ULONG *tmpData;
1137
1138	length = mSubMetric->length();
1139	*sequenceNumber = mSubMetric->getSequenceNumber() - length;
1140	if (length)
1141	{
1142	tmpData = (ULONG)RTMemAlloc(sizeof(tmpData)*length);
1143	mSubMetric->query(tmpData);
1144	if (mAggregate)
1145	{
1146	*count = 1;
1147	data = (ULONG)RTMemAlloc(sizeof(**data));
1148	**data = mAggregate->compute(tmpData, length);
1149	RTMemFree(tmpData);
1150	}
1151	else
1152	{
1153	*count = length;
1154	*data = tmpData;
1155	}
1156	}
1157	else
1158	{
1159	*count = 0;
1160	*data = 0;
1161	}
1162	}
1163
1164	ULONG AggregateAvg::compute(ULONG *data, ULONG length)
1165	{
1166	uint64_t tmp = 0;
1167	for (ULONG i = 0; i < length; ++i)
1168	tmp += data[i];
1169	return (ULONG)(tmp / length);
1170	}
1171
1172	const char * AggregateAvg::getName()
1173	{
1174	return "avg";
1175	}
1176
1177	ULONG AggregateMin::compute(ULONG *data, ULONG length)
1178	{
1179	ULONG tmp = *data;
1180	for (ULONG i = 0; i < length; ++i)
1181	if (data[i] < tmp)
1182	tmp = data[i];
1183	return tmp;
1184	}
1185
1186	const char * AggregateMin::getName()
1187	{
1188	return "min";
1189	}
1190
1191	ULONG AggregateMax::compute(ULONG *data, ULONG length)
1192	{
1193	ULONG tmp = *data;
1194	for (ULONG i = 0; i < length; ++i)
1195	if (data[i] > tmp)
1196	tmp = data[i];
1197	return tmp;
1198	}
1199
1200	const char * AggregateMax::getName()
1201	{
1202	return "max";
1203	}
1204
1205	Filter::Filter(ComSafeArrayIn(IN_BSTR, metricNames),
1206	ComSafeArrayIn(IUnknown *, objects))
1207	{
1208	/*
1209	* Let's work around null/empty safe array mess. I am not sure there is
1210	* a way to pass null arrays via webservice, I haven't found one. So I
1211	* guess the users will be forced to use empty arrays instead. Constructing
1212	* an empty SafeArray is a bit awkward, so what we do in this method is
1213	* actually convert null arrays to empty arrays and pass them down to
1214	* init() method. If someone knows how to do it better, please be my guest,
1215	* fix it.
1216	*/
1217	if (ComSafeArrayInIsNull(metricNames))
1218	{
1219	com::SafeArray<BSTR> nameArray;
1220	if (ComSafeArrayInIsNull(objects))
1221	{
1222	com::SafeIfaceArray<IUnknown> objectArray;
1223	objectArray.reset(0);
1224	init(ComSafeArrayAsInParam(nameArray),
1225	ComSafeArrayAsInParam(objectArray));
1226	}
1227	else
1228	{
1229	com::SafeIfaceArray<IUnknown> objectArray(ComSafeArrayInArg(objects));
1230	init(ComSafeArrayAsInParam(nameArray),
1231	ComSafeArrayAsInParam(objectArray));
1232	}
1233	}
1234	else
1235	{
1236	com::SafeArray<IN_BSTR> nameArray(ComSafeArrayInArg(metricNames));
1237	if (ComSafeArrayInIsNull(objects))
1238	{
1239	com::SafeIfaceArray<IUnknown> objectArray;
1240	objectArray.reset(0);
1241	init(ComSafeArrayAsInParam(nameArray),
1242	ComSafeArrayAsInParam(objectArray));
1243	}
1244	else
1245	{
1246	com::SafeIfaceArray<IUnknown> objectArray(ComSafeArrayInArg(objects));
1247	init(ComSafeArrayAsInParam(nameArray),
1248	ComSafeArrayAsInParam(objectArray));
1249	}
1250	}
1251	}
1252
1253	Filter::Filter(const com::Utf8Str name, const ComPtr<IUnknown> &aObject)
1254	{
1255	processMetricList(name, aObject);
1256	}
1257
1258	void Filter::init(ComSafeArrayIn(IN_BSTR, metricNames),
1259	ComSafeArrayIn(IUnknown *, objects))
1260	{
1261	com::SafeArray<IN_BSTR> nameArray(ComSafeArrayInArg(metricNames));
1262	com::SafeIfaceArray<IUnknown> objectArray(ComSafeArrayInArg(objects));
1263
1264	if (!objectArray.size())
1265	{
1266	if (nameArray.size())
1267	{
1268	for (size_t i = 0; i < nameArray.size(); ++i)
1269	processMetricList(com::Utf8Str(nameArray[i]), ComPtr<IUnknown>());
1270	}
1271	else
1272	processMetricList("*", ComPtr<IUnknown>());
1273	}
1274	else
1275	{
1276	for (size_t i = 0; i < objectArray.size(); ++i)
1277	switch (nameArray.size())
1278	{
1279	case 0:
1280	processMetricList("*", objectArray[i]);
1281	break;
1282	case 1:
1283	processMetricList(com::Utf8Str(nameArray[0]), objectArray[i]);
1284	break;
1285	default:
1286	processMetricList(com::Utf8Str(nameArray[i]), objectArray[i]);
1287	break;
1288	}
1289	}
1290	}
1291
1292	void Filter::processMetricList(const com::Utf8Str &name, const ComPtr<IUnknown> object)
1293	{
1294	size_t startPos = 0;
1295
1296	for (size_t pos = name.find(",");
1297	pos != com::Utf8Str::npos;
1298	pos = name.find(",", startPos))
1299	{
1300	mElements.push_back(std::make_pair(object, RTCString(name.substr(startPos, pos - startPos).c_str())));
1301	startPos = pos + 1;
1302	}
1303	mElements.push_back(std::make_pair(object, RTCString(name.substr(startPos).c_str())));
1304	}
1305
1306	/**
1307	* The following method was borrowed from stamR3Match (VMM/STAM.cpp) and
1308	* modified to handle the special case of trailing colon in the pattern.
1309	*
1310	* @returns True if matches, false if not.
1311	* @param pszPat Pattern.
1312	* @param pszName Name to match against the pattern.
1313	* @param fSeenColon Seen colon (':').
1314	*/
1315	bool Filter::patternMatch(const char pszPat, const char pszName,
1316	bool fSeenColon)
1317	{
1318	/* ASSUMES ASCII */
1319	for (;;)
1320	{
1321	char chPat = *pszPat;
1322	switch (chPat)
1323	{
1324	default:
1325	if (*pszName != chPat)
1326	return false;
1327	break;
1328
1329	case '*':
1330	{
1331	while ((chPat = ++pszPat) == '' \|\| chPat == '?')
1332	/* nothing */;
1333
1334	/* Handle a special case, the mask terminating with a colon. */
1335	if (chPat == ':')
1336	{
1337	if (!fSeenColon && !pszPat[1])
1338	return !strchr(pszName, ':');
1339	fSeenColon = true;
1340	}
1341
1342	for (;;)
1343	{
1344	char ch = *pszName++;
1345	if ( ch == chPat
1346	&& ( !chPat
1347	\|\| patternMatch(pszPat + 1, pszName, fSeenColon)))
1348	return true;
1349	if (!ch)
1350	return false;
1351	}
1352	/* won't ever get here */
1353	break;
1354	}
1355
1356	case '?':
1357	if (!*pszName)
1358	return false;
1359	break;
1360
1361	/* Handle a special case, the mask terminating with a colon. */
1362	case ':':
1363	if (!fSeenColon && !pszPat[1])
1364	return !*pszName;
1365	if (*pszName != ':')
1366	return false;
1367	fSeenColon = true;
1368	break;
1369
1370	case '\0':
1371	return !*pszName;
1372	}
1373	pszName++;
1374	pszPat++;
1375	}
1376	return true;
1377	}
1378
1379	bool Filter::match(const ComPtr<IUnknown> object, const RTCString &name) const
1380	{
1381	ElementList::const_iterator it;
1382
1383	//LogAleksey(("Filter::match(%p, %s)\n", static_cast<const IUnknown*> (object), name.c_str()));
1384	for (it = mElements.begin(); it != mElements.end(); it++)
1385	{
1386	//LogAleksey(("...matching against(%p, %s)\n", static_cast<const IUnknown> ((it).first), (*it).second.c_str()));
1387	if ((it).first.isNull() \|\| (it).first == object)
1388	{
1389	// Objects match, compare names
1390	if (patternMatch((*it).second.c_str(), name.c_str()))
1391	{
1392	//LogFlowThisFunc(("...found!\n"));
1393	return true;
1394	}
1395	}
1396	}
1397	//LogAleksey(("...no matches!\n"));
1398	return false;
1399	}
1400	/* vi: set tabstop=4 shiftwidth=4 expandtab: */

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

source: vbox/trunk/src/VBox/Main/src-server/Performance.cpp@ 43629

Download in other formats: