1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/genericservices/taskscheduler/SCHSVR/SCHLOG.CPP	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,157 @@
     1.4 +// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +// System includes
    1.20 +#include <logwrap.h>
    1.21 +
    1.22 +// User includes
    1.23 +#include "SCHLOG.h"
    1.24 +
    1.25 +
    1.26 +//Constants
    1.27 +const TInt KLogEventQueueGranularity = 3;
    1.28 +
    1.29 +CSchLogManager::CSchLogManager()
    1.30 +:	CActive(EPriorityLow)
    1.31 +	{
    1.32 +	CActiveScheduler::Add(this);
    1.33 +	}
    1.34 +
    1.35 +CSchLogManager::~CSchLogManager()
    1.36 +	{
    1.37 +	Cancel();
    1.38 +  	if(iPendingLogEvents)
    1.39 +  		{
    1.40 +  		iPendingLogEvents->ResetAndDestroy();
    1.41 +  		delete iPendingLogEvents;
    1.42 +  		}
    1.43 +	delete iLogEvent;
    1.44 +	if(iLogWrapper)
    1.45 + 		delete iLogWrapper;
    1.46 +	}
    1.47 +	
    1.48 +void CSchLogManager::ConstructL(RFs& aFileSession)
    1.49 +	{
    1.50 +	iFileSession = &aFileSession;
    1.51 +	iLogWrapper = NULL;
    1.52 +	iLogEvent = CLogEvent::NewL();
    1.53 +	iLogEvent->SetEventType(KLogTaskSchedulerEventTypeUid);
    1.54 +	iPendingLogEvents = new(ELeave) CArrayPtrFlat<CLogEvent>(KLogEventQueueGranularity);
    1.55 +	}
    1.56 +
    1.57 +CSchLogManager* CSchLogManager::NewL(RFs& aFileSession)
    1.58 +	{
    1.59 +	CSchLogManager* self = new(ELeave) CSchLogManager();
    1.60 +	CleanupStack::PushL(self);
    1.61 +	self->ConstructL(aFileSession);
    1.62 +	CleanupStack::Pop(self);
    1.63 +	return self;
    1.64 +	}
    1.65 +
    1.66 +/*
    1.67 +Creates a new log engine entry of type KLogTaskSchedulerEventTypeUid
    1.68 +with aError as its entry.
    1.69 +*/
    1.70 +void CSchLogManager::LogError(TInt aError)
    1.71 +	{
    1.72 +	// Add error code as a descriptor
    1.73 +	TBuf<10> errorCodeAsDescriptor;
    1.74 +	errorCodeAsDescriptor.Num(aError);
    1.75 +	iLogEvent->SetNumber(errorCodeAsDescriptor);
    1.76 +	// Add to log or queue
    1.77 +  	if (!IsActive())
    1.78 +    	{
    1.79 +		iStatus=KRequestPending;
    1.80 +	
    1.81 +		TRAPD(error, GetLogWrapperL()->Log().AddEvent(*iLogEvent, iStatus));
    1.82 +		if (error != KErrNone)
    1.83 +			return; 
    1.84 +		SetActive();
    1.85 +		}
    1.86 +	else
    1.87 +		{
    1.88 +		// add the request to the queue, it will be processed asap
    1.89 +		CLogEvent* event = 0;
    1.90 +		TRAPD(error, event = CLogEvent::NewL());
    1.91 +		if (KErrNone != error)
    1.92 +			{
    1.93 +			return; // event is discarded!
    1.94 +			}
    1.95 +		//coverity[cleanup_stack]
    1.96 +		/* NewL() and AppendL() are enclosed in TRAP and handled. 
    1.97 +		* So no need of pushing the variable event onto the cleanup stack
    1.98 +		*/
    1.99 +		// add to the queue
   1.100 +		TRAP(error, iPendingLogEvents->AppendL(event));
   1.101 +		if (KErrNone != error)
   1.102 +			{
   1.103 +			delete event; // event is discarded!
   1.104 +			return;
   1.105 +			}
   1.106 +		}	
   1.107 +	}
   1.108 +
   1.109 +/*
   1.110 +Creates a new log engine entry of type KLogTaskSchedulerEventTypeUid 
   1.111 +and subject aSubject with aError as its entry.
   1.112 +*/
   1.113 +void CSchLogManager::LogError(const TDesC& aSubject, TInt aError)
   1.114 +	{
   1.115 +	//AddSubject
   1.116 +	iLogEvent->SetSubject(aSubject);
   1.117 +	LogError(aError);
   1.118 +	}
   1.119 +	
   1.120 +void CSchLogManager::RunL()
   1.121 +  	{
   1.122 +    if (iPendingLogEvents->Count()>0)
   1.123 +        {
   1.124 +        CLogEvent* nextEventPtr = iPendingLogEvents->At(0);
   1.125 +        iLogEvent->CopyL(*nextEventPtr);
   1.126 +		iStatus=KRequestPending;
   1.127 +		
   1.128 +		//If error occur trap it and ignore, so that log manager can continue 
   1.129 +        TRAPD(error, GetLogWrapperL()->Log().AddEvent(*iLogEvent, iStatus));
   1.130 +       	//Following code is only to ignore build warnings        
   1.131 +        if (error == KErrNone)
   1.132 +				error = KErrNone;
   1.133 +        SetActive();
   1.134 +        // delete the ongoing CLogEvent we just copied
   1.135 +        delete nextEventPtr;
   1.136 +        //remove the pointer from the queue
   1.137 +        iPendingLogEvents->Delete(0);
   1.138 +        }
   1.139 +  	}
   1.140 +  
   1.141 +void CSchLogManager::DoCancel()
   1.142 +  	{
   1.143 +    if(iLogWrapper)
   1.144 +        iLogWrapper->Log().Cancel();
   1.145 +   	}
   1.146 +/*
   1.147 +Creates a new CLogWrapper and initialise iLogWrapper if it doesn't exist otherwise 
   1.148 +return iLogWrapper
   1.149 +*/
   1.150 +CLogWrapper* CSchLogManager::GetLogWrapperL()
   1.151 +	{
   1.152 +	if(iLogWrapper)
   1.153 +		return iLogWrapper;
   1.154 +	
   1.155 +	iLogWrapper = CLogWrapper::NewL(*iFileSession, CActive::EPriorityStandard);
   1.156 +
   1.157 +	return iLogWrapper;
   1.158 +	}
   1.159 +
   1.160 +