// btrace_context.cpp

// 

// Copyright (c) 2008 - 2010 Accenture. All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

// 

// Initial Contributors:

// Accenture - Initial contribution

//

#include <e32debug.h>

#include "btrace_parser.h"

_LIT(KUnknown, "unknown");

EXPORT_C TBtraceIdBase::TBtraceIdBase()

	: iId(0)

	{

	}

EXPORT_C TBtraceIdBase::TBtraceIdBase(TUint aId)

	: iId(aId)

	{

	}

EXPORT_C TBtraceIdBase::TBtraceIdBase(const TBtraceIdBase& aId)

	: iId(aId.Value())

	{

	}

EXPORT_C void TBtraceIdBase::Set(TUint aValue)

	{

	iId = aValue;

	}

EXPORT_C TUint TBtraceIdBase::Value() const

	{

	return iId;

	}

EXPORT_C TBool TBtraceIdBase::operator==(const TBtraceIdBase& aId) const

	{

	return (aId.iId == iId);

	}

EXPORT_C TBtraceThreadId::TBtraceThreadId()

	{

	}

EXPORT_C TBtraceThreadId::TBtraceThreadId(TUint aId)

	: TBtraceIdBase(aId)

	{

	}

EXPORT_C TBtraceThreadId::TBtraceThreadId(const TBtraceThreadId& aId)

	: TBtraceIdBase(aId)

	{

	}

EXPORT_C TBtraceProcessId::TBtraceProcessId()

	{

	}

EXPORT_C TBtraceProcessId::TBtraceProcessId(TUint aId)

	: TBtraceIdBase(aId)

	{

	}

EXPORT_C TBtraceProcessId::TBtraceProcessId(const TBtraceProcessId& aId)

	: TBtraceIdBase(aId)

	{

	}

EXPORT_C TBtraceWindowGroupId::TBtraceWindowGroupId()

	{

	}

EXPORT_C TBtraceWindowGroupId::TBtraceWindowGroupId(TUint aId)

	: TBtraceIdBase(aId)

	{

	}

EXPORT_C TBtraceWindowGroupId::TBtraceWindowGroupId(const TBtraceWindowGroupId& aId)

	: TBtraceIdBase(aId)

	{

	}

EXPORT_C void MBtraceContextObserver::HandleThreadSeenL(const TBtraceTickCount&, const TBtraceThreadId&, TUint)

	{

	Panic(EBtpPanicUndefinedCallBack);

	}

EXPORT_C void MBtraceContextObserver::HandleThreadGoneL(const TBtraceTickCount&, const TBtraceThreadId&, TUint)

	{

	Panic(EBtpPanicUndefinedCallBack);

	}

EXPORT_C void MBtraceContextObserver::HandleThreadExitL(const TBtraceTickCount&, const TBtraceThreadId&, TExitType, TInt, const TDesC&, TUint)

	{

	Panic(EBtpPanicUndefinedCallBack);

	}

EXPORT_C void MBtraceContextObserver::HandleWindowGroupSeenL(const TBtraceTickCount&, const TBtraceWindowGroupId&, TUint)

	{

	Panic(EBtpPanicUndefinedCallBack);

	}

EXPORT_C CBtraceContext* CBtraceContext::NewL(CBtraceReader& aReader, TMode aMode)

	{

	CBtraceContext* self = new(ELeave) CBtraceContext(aReader, aMode);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

EXPORT_C CBtraceContext::~CBtraceContext()

	{

	iWindowGroupSeenNotifs.Close();

	iThreadExitNotifs.Close();

	iThreadGoneNotifs.Close();

	iThreadSeenNotifs.Close();

	iWindowGroups.Close();

	iThreads.Close();

	iProcesses.Close();

	iReader.RemoveObserver(BTrace::EThreadIdentification, *this);

	iReader.RemoveObserver(KAmTraceCategory, *this);

	}

TBool CBtraceContext::ThreadMatchesId(const TThread& aLeft, const TThread& aRight)

	{

	return (aLeft.iId == aRight.iId);

	}

TBool CBtraceContext::ThreadMatchesKernelId(const TThread& aLeft, const TThread& aRight)

	{

	return (aLeft.iKernelId == aRight.iKernelId);

	}

TBool CBtraceContext::ThreadMatchesNThreadAddress(const TThread& aLeft, const TThread& aRight)

	{

	return (aLeft.iNThreadAddress == aRight.iNThreadAddress);

	}

TBool CBtraceContext::ProcessMatchesId(const TProcess& aLeft, const TProcess& aRight)

	{

	return (aLeft.iId == aRight.iId);

	}

TBool CBtraceContext::ProcessMatchesDProcessAddress(const TProcess& aLeft, const TProcess& aRight)

	{

	return (aLeft.iDProcessAddress == aRight.iDProcessAddress);

	}

TBool CBtraceContext::WindowGroupMatchesId(const TWindowGroup& aLeft, const TWindowGroup& aRight)

	{

	return (aLeft.iId == aRight.iId);

	}

TBool CBtraceContext::WindowGroupMatchesThreadId(const TWindowGroup& aLeft, const TWindowGroup& aRight)

	{

	return (aLeft.iThreadId == aRight.iThreadId);

	}

TBool CBtraceContext::WindowGroupMatchesWServId(const TWindowGroup& aLeft, const TWindowGroup& aRight)

	{

	return (aLeft.iWindowGroupId == aRight.iWindowGroupId);

	}

EXPORT_C const TDesC& CBtraceContext::ThreadName(const TBtraceThreadId& aId) const

	{

	TThread findKey(0, 0, KNullDesC8);

	findKey.iId = aId;

	TInt pos = iThreads.Find(findKey, TIdentityRelation<TThread>(ThreadMatchesId));

	if (pos >= 0)

		{

		return iThreads[pos].iName;

		}

	else

		{

		return KUnknown;

		}

	}

EXPORT_C void CBtraceContext::GetFullThreadName(const TBtraceThreadId& aId, TDes& aFullName) const

	{

	TThread findKey(0, 0, KNullDesC8);

	findKey.iId = aId;

	TInt pos = iThreads.Find(findKey, TIdentityRelation<TThread>(ThreadMatchesId));

	if (pos >= 0)

		{

		const TThread& thread = iThreads[pos];

		TProcess findKey(thread.iOwningProcess);

		TInt processPos = iProcesses.Find(findKey, TIdentityRelation<TProcess>(ProcessMatchesDProcessAddress));

		__ASSERT_ALWAYS(processPos >= 0, Panic(EBtpPanicFailedToFindProcess));

		aFullName.Zero();

		aFullName.Append(ProcessName(iProcesses[processPos].iId));

		aFullName.Append(_L("::"));

		aFullName.Append(thread.iName);

		}

	else

		{

		aFullName = KUnknown;

		}

	}

EXPORT_C TThreadId CBtraceContext::ThreadId(const TBtraceThreadId& aId) const

	{

	TThread findKey(0, 0, KNullDesC8);

	findKey.iId = aId;

	TInt pos = iThreads.Find(findKey, TIdentityRelation<TThread>(ThreadMatchesId));

	__ASSERT_ALWAYS(pos >= 0, Panic(EBtpPanicThreadIdNotFound));

	return iThreads[pos].iKernelId;

	}

EXPORT_C const TDesC& CBtraceContext::ProcessName(const TBtraceProcessId& aId) const

	{

	TProcess findKey(0);

	findKey.iId = aId;

	TInt pos = iProcesses.Find(findKey, TIdentityRelation<TProcess>(ProcessMatchesId));

	__ASSERT_ALWAYS(pos >= 0, Panic(EBtpPanicProcessNameNotFound));

	return iProcesses[pos].iName;

	}

EXPORT_C TInt CBtraceContext::WindowGroupId(const TBtraceWindowGroupId& aId) const

	{

	TWindowGroup findKey(0, 0, KNullDesC);

	findKey.iId = aId;

	TInt pos = iWindowGroups.Find(findKey, TIdentityRelation<TWindowGroup>(WindowGroupMatchesId));

	__ASSERT_ALWAYS(pos >= 0, Panic(EBtpPanicWindowGroupIdNotFound));

	return iWindowGroups[pos].iWindowGroupId;

	}

EXPORT_C const TDesC& CBtraceContext::WindowGroupName(const TBtraceWindowGroupId& aId) const

	{

	TWindowGroup findKey(0, 0, KNullDesC);

	findKey.iId = aId;

	TInt pos = iWindowGroups.Find(findKey, TIdentityRelation<TWindowGroup>(WindowGroupMatchesId));

	__ASSERT_ALWAYS(pos >= 0, Panic(EBtpPanicWindowGroupIdNotFound));

	return iWindowGroups[pos].iName;

	}

EXPORT_C const TBtraceThreadId* CBtraceContext::FindThread(TUint32 aNThreadAddress) const

	{

	TThread findKey(aNThreadAddress, 0, KNullDesC8);

	TInt pos = iThreads.Find(findKey, TIdentityRelation<TThread>(ThreadMatchesNThreadAddress));

	if (pos >= 0)

		{

		return &iThreads[pos].iId;

		}

	else

		{

		return NULL;

		}

	}

EXPORT_C const TBtraceThreadId* CBtraceContext::FindThread(const TThreadId& aId) const

	{

	TThread findKey(0, 0, KNullDesC8);

	findKey.iKernelId = TUint(aId);

	TInt pos = iThreads.Find(findKey, TIdentityRelation<TThread>(ThreadMatchesKernelId));

	if (pos >= 0)

		{

		return &iThreads[pos].iId;

		}

	else

		{

		return NULL;

		}

	}

EXPORT_C const TBtraceWindowGroupId* CBtraceContext::FindWindowGroup(TInt aWServWgId) const

	{

	TWindowGroup findKey(aWServWgId);

	TInt pos = iWindowGroups.Find(findKey, TIdentityRelation<TWindowGroup>(WindowGroupMatchesWServId));

	if (pos >= 0)

		{

		return &iWindowGroups[pos].iId;

		}

	else

		{

		return NULL;

		}

	}

EXPORT_C void CBtraceContext::FindThreadsL(const TDesC& aPattern, RArray<TBtraceThreadId>& aThreads) const

	{

	TInt count = iThreads.Count();

	while (--count >= 0)

		{

		const TThread& thread = iThreads[count];

		TFullName name;

		GetFullThreadName(thread.iId, name);

		if (name.MatchF(aPattern) != KErrNotFound)

			{

			aThreads.AppendL(thread.iId);

			}

		}

	}

EXPORT_C void CBtraceContext::FindWindowGroupsL(const TDesC& aPattern, RArray<TBtraceWindowGroupId>& aWindowGroups) const

	{

	TInt count = iWindowGroups.Count();

	while (--count >= 0)

		{

		const TWindowGroup& windowGroup = iWindowGroups[count];

		if (windowGroup.iName.MatchF(aPattern) != KErrNotFound)

			{

			aWindowGroups.AppendL(windowGroup.iId);

			}

		}

	}

EXPORT_C void CBtraceContext::FindWindowGroupsByThreadName(const TDesC& aPattern, RArray<TBtraceWindowGroupId>& aWindowGroups) const

	{

	TInt count = iThreads.Count();

	while (--count >= 0)

		{

		const TThread& thread = iThreads[count];

		TFullName name;

		GetFullThreadName(thread.iId, name);

		if (name.MatchF(aPattern) != KErrNotFound)

			{

			for (TInt i = (iWindowGroups.Count() - 1); i >= 0; --i)

				{

				const TWindowGroup& thisWindowGroup = iWindowGroups[i];

				if (thisWindowGroup.iThreadId.Id() == thread.iKernelId)

					{

					aWindowGroups.AppendL(thisWindowGroup.iId);

					}

				}

			}

		}

	}

EXPORT_C void CBtraceContext::NotifyThreadSeenL(const TDesC& aPattern, MBtraceContextObserver& aObserver, TUint aId)

	{

	NotifyThreadSeenL(aPattern, aObserver, aId, ENotificationOneShot);

	}

EXPORT_C void CBtraceContext::NotifyThreadSeenL(const TDesC& aPattern, MBtraceContextObserver& aObserver, TUint aId, TBtraceNotificationPersistence aPersistence)

	{

	iThreadSeenNotifs.AppendL(TThreadSeenNotif(aId, aPattern, aObserver, aPersistence));

	}

EXPORT_C void CBtraceContext::CancelNotifyThreadSeen(MBtraceContextObserver& aObserver)

	{

	for (TInt i = (iThreadSeenNotifs.Count() - 1); i >= 0; --i)

		{

		if (&iThreadSeenNotifs[i].iObserver == &aObserver)

			{

			iThreadSeenNotifs.Remove(i);

			}

		}

	}

EXPORT_C void CBtraceContext::NotifyThreadGoneL(const TDesC& aPattern, MBtraceContextObserver& aObserver, TUint aId)

	{

	return NotifyThreadGoneL(aPattern, aObserver, aId, ENotificationOneShot);

	}

EXPORT_C void CBtraceContext::NotifyThreadGoneL(const TDesC& aPattern, MBtraceContextObserver& aObserver, TUint aId, TBtraceNotificationPersistence aPersistence)

	{

	iThreadGoneNotifs.AppendL(TThreadGoneNotif(aId, aPattern, aObserver, aPersistence));

	}

EXPORT_C void CBtraceContext::CancelNotifyThreadGone(MBtraceContextObserver& aObserver)

	{

	for (TInt i = (iThreadGoneNotifs.Count() - 1); i >= 0; --i)

		{

		if (&iThreadGoneNotifs[i].iObserver == &aObserver)

			{

			iThreadGoneNotifs.Remove(i);

			}

		}

	}

EXPORT_C void CBtraceContext::NotifyThreadExitL(const TDesC& aPattern, TUint aExitTypes, TInt* aReason, const TDesC* aCategory, MBtraceContextObserver& aObserver, TUint aId, TBtraceNotificationPersistence aPersistence)

	{

	iThreadExitNotifs.AppendL(TThreadExitNotif(aId, aPattern, aExitTypes, aReason, aCategory, aObserver, aPersistence));

	}

EXPORT_C void CBtraceContext::CancelNotifyThreadExit(MBtraceContextObserver& aObserver)

	{

	for (TInt i = (iThreadExitNotifs.Count() - 1); i >= 0; --i)

		{

		if (&iThreadExitNotifs[i].iObserver == &aObserver)

			{

			iThreadExitNotifs.Remove(i);

			}

		}

	}

EXPORT_C void CBtraceContext::NotifyWindowGroupSeenL(const TDesC& aPattern, MBtraceContextObserver& aObserver, TUint aId, TBtraceNotificationPersistence aPersistence)

	{

	iWindowGroupSeenNotifs.AppendL(TWindowGroupSeenNotif(aId, aPattern, TWindowGroupSeenNotif::EWindowGroupName, aObserver, aPersistence));

	}

EXPORT_C void CBtraceContext::NotifyWindowGroupSeenByThreadNameL(const TDesC& aPattern, MBtraceContextObserver& aObserver, TUint aId, TBtraceNotificationPersistence aPersistence)

	{

	iWindowGroupSeenNotifs.AppendL(TWindowGroupSeenNotif(aId, aPattern, TWindowGroupSeenNotif::EThreadName, aObserver, aPersistence));

	}

EXPORT_C void CBtraceContext::CancelNotifyWindowGroupSeen(MBtraceContextObserver& aObserver)

	{

	for (TInt i = (iWindowGroupSeenNotifs.Count() - 1); i >= 0; --i)

		{

		if (&iWindowGroupSeenNotifs[i].iObserver == &aObserver)

			{

			iWindowGroupSeenNotifs.Remove(i);

			}

		}

	}

CBtraceContext::CBtraceContext(CBtraceReader& aReader, TMode aMode)

	: iMode(aMode), iReader(aReader), iNextBtraceThreadId(KMaxTUint), iNextBtraceProcessId(KMaxTUint)

	{

	}

void CBtraceContext::ConstructL()

	{

	iReader.AddObserverL(BTrace::EThreadIdentification, *this, CBtraceReader::EIncludeSynchronizationFrames);

	iReader.AddObserverL(KAmTraceCategory, *this);

	}

TUint CBtraceContext::GetNextThreadId()

	{

	TUint id = iNextBtraceThreadId--;

	__ASSERT_ALWAYS(iNextBtraceThreadId > 0, Panic(EBtpPanicBtraceThreadIdOverflow));

	return id;

	}

TUint CBtraceContext::GetNextProcessId()

	{

	TUint id = iNextBtraceProcessId--;

	__ASSERT_ALWAYS(iNextBtraceProcessId > 0, Panic(EBtpPanicBtraceProcessIdOverflow));

	return id;

	}

TUint CBtraceContext::GetNextWindowGroupId()

	{

	TUint id = iNextBtraceWindowGroupId--;

	__ASSERT_ALWAYS(iNextBtraceWindowGroupId > 0, Panic(EBtpPanicBtraceWindowGroupIdOverflow));

	return id;

	}

void CBtraceContext::SeenL(const TThread& aThread, const TBtraceTickCount& aTickCount)

	{

	TFullName name;

	GetFullThreadName(aThread.iId, name);

	for (TInt i = (iThreadSeenNotifs.Count() - 1); i >= 0; --i)

		{

		const TThreadSeenNotif& thisNotif = iThreadSeenNotifs[i];

		if (name.MatchF(thisNotif.iPattern) != KErrNotFound)

			{

			MBtraceContextObserver& observer = thisNotif.iObserver;

			TUint id = thisNotif.iId;

			if (thisNotif.iPersistence == ENotificationOneShot)

				{

				iThreadSeenNotifs.Remove(i);

				}

			observer.HandleThreadSeenL(aTickCount, aThread.iId, id);

			}

		}

	}

void CBtraceContext::GoneL(const TThread& aThread, const TBtraceTickCount& aTickCount)

	{

	TFullName name;

	GetFullThreadName(aThread.iId, name);

	for (TInt i = (iThreadGoneNotifs.Count() - 1); i >= 0; --i)

		{

		const TThreadGoneNotif& notif = iThreadGoneNotifs[i];

		if (name.MatchF(notif.iPattern) != KErrNotFound)

			{

			MBtraceContextObserver& observer = notif.iObserver;

			TUint id = notif.iId;

			if (notif.iPersistence == ENotificationOneShot)

				{

				iThreadGoneNotifs.Remove(i);

				}

			observer.HandleThreadGoneL(aTickCount, aThread.iId, id);

			}

		}

	}

void CBtraceContext::ExitedL(const TThread& aThread, TExitType aExitType, TInt aReason, const TDesC& aCategory, const TBtraceTickCount& aTickCount)

	{

	TFullName name;

	GetFullThreadName(aThread.iId, name);

	for (TInt i = (iThreadExitNotifs.Count() - 1); i >= 0; --i)

		{

		const TThreadExitNotif& notif = iThreadExitNotifs[i];

		if (notif.Matches(name, aExitType, aReason, aCategory))

			{

			MBtraceContextObserver& observer = notif.iObserver;

			TUint id = notif.iId;

			if (notif.iPersistence == ENotificationOneShot)

				{

				iThreadExitNotifs.Remove(i);

				}

			observer.HandleThreadExitL(aTickCount, aThread.iId, aExitType, aReason, aCategory, id);

			}

		}

	}

void CBtraceContext::SeenL(const TWindowGroup& aWindowGroup, const TBtraceTickCount& aTickCount)

	{

	for (TInt i = (iWindowGroupSeenNotifs.Count() - 1); i >= 0; --i)

		{

		const TWindowGroupSeenNotif& thisNotif = iWindowGroupSeenNotifs[i];

		if (thisNotif.iPatternType == TWindowGroupSeenNotif::EWindowGroupName)

			{

			if (aWindowGroup.iName.MatchF(thisNotif.iPattern) != KErrNotFound)

				{

				MBtraceContextObserver& observer = thisNotif.iObserver;

				TUint id = thisNotif.iId;

				if (thisNotif.iPersistence == ENotificationOneShot)

					{

					iWindowGroupSeenNotifs.Remove(i);

					}

				observer.HandleWindowGroupSeenL(aTickCount, aWindowGroup.iId, id);

				}