--- a/camerauis/cameraapp/generic/src/CamPerformanceLogger.cpp	Thu Aug 19 09:36:57 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,477 +0,0 @@
-/*
-* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "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:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description:  Class for managing intercommunication between Camera UI*
-*/
-
-
-// INCLUDE FILES
-
-#include <e32std.h>
-#include <e32base.h> // TTime
-#include <eikenv.h>
-#include <s32file.h> // RFileWriteStream
-
-#include "CamPerformance.h"
-#include "CamAppUid.h" // KCameraappUID
-
-#ifdef CAMERAAPP_PERF_LOG_MEMORY
-// This file needs only be compiled if logging to memory is enabled
-
-// INTERNAL CONSTANTS, ENUMS AND STRUCTS
-
-// Constants related to logging in memory
-const TInt KPerfLogArrayGranularity = 20;
-const TInt KPerfMaxLogItemStringLength = 160;
-
-// Constants for converting 64-bit system time to milliseconds
-// and seconds
-const TInt KDividerSystemToMilliseconds = 1000;
-const TInt KDividerMillisecondsToSeconds = 1000;
-
-// Constants for formatting memory log to text
-_LIT( KPerfLogItemTab, "\t" );
-_LIT8( KPerfLogItemCrLf8, "\n" );
-_LIT( KPerfLogItemSecondsFormatSpace, "%6d.%03d" );
-_LIT( KPerfLogItemSecondsFormat, "%d.%03d" );
-
-// Constants for writing event analysis log
-_LIT( KAnalysisEventType, "Event: %d" );
-_LIT( KAnalysisEventStartTime, ", start time: " );
-_LIT( KAnalysisEventEndTime, ", end time: " );
-_LIT( KAnalysisEventDuration, ", duration: " );
-_LIT( KAnalysisEventAlreadyStarted, "Start for event %d, which has already been started, time: " );
-_LIT( KAnalysisEndWithoutStart, "End for event %d without start, time: " );
-_LIT( KAnalysisStartWithoutEnd, "Start for event %d without end, time: " );
-
-_LIT( KCamPerformanceLogger, "CamPerformanceLogger" );
-
-/**
-* Memory log item types
-*/
-enum TItemType
-	{
-	EItemEventStart,
-	EItemEventEnd,
-	EItemMessage,
-	EItemEngineStateChange,
-	EItemOperationStateChange
-	};
-
-/**
-* TLogitem struct definition. Used for storing log items in memory
-* in an array.
-*/
-struct TLogItem
-	{	
-	public:	
-	TLogItem( TItemType aItemType, TInt aIntValue, 	TInt64 aTime ):
-		iItemType( aItemType ), iIntValue( aIntValue), iTime( aTime ) {}
-		
-	TItemType iItemType;
-	TInt iIntValue;
-	TInt64 iTime;
-	};	
-
-// ============================ MEMBER FUNCTIONS ===============================
-
-// -----------------------------------------------------------------------------
-// CCamPerformanceLogger::CCamPerformanceLogger
-// C++ default constructor can NOT contain any code, that
-// might leave
-// -----------------------------------------------------------------------------
-//
-CCamPerformanceLogger::CCamPerformanceLogger() :
-	CCoeStatic( TUid::Uid( KCameraappUID ) ), iLogItems( KPerfLogArrayGranularity )
-	{	
-	iStartTime = Time64();
-	}
-	
-// -----------------------------------------------------------------------------
-// CCamPerformanceLogger::~CCamPerformanceLogger
-// Destructor
-// -----------------------------------------------------------------------------
-//	
-CCamPerformanceLogger::~CCamPerformanceLogger()
-	{
-  PRINT( _L("Camera => ~CCamPerformanceLogger") );
-	if( iLogItems.Count() > 0 )
-		{
-		// Write files only if there are new log items
-		// This is to avoid overwriting log already written using SaveAndReset()	
-		TRAP_IGNORE( SaveLogDataL() );
-		TRAP_IGNORE( SaveAnalysisL() );
-		}
-	iLogItems.Close();	
-  PRINT( _L("Camera <= ~CCamPerformanceLogger") );
-	}
-
-// ---------------------------------------------------------------------------
-// CCamPerformanceLogger::Logger
-// Static function, which returns a pointer to the currently active 
-// CCamPerformanceLogger object or instantiates a new one
-// ---------------------------------------------------------------------------
-//	
-CCamPerformanceLogger* CCamPerformanceLogger::Logger()
-	{	
-	// Get pointer to the current CCamPerformanceLogger object using CCoeEnv.FindStatic()	
-	CCamPerformanceLogger* self = static_cast<CCamPerformanceLogger*>( CCoeEnv::Static()->FindStatic( TUid::Uid( KCameraappUID ) ) );
-	if( self )
-		{
-		return self;
-		}
-	else
-		{
-		// FindStatic returned null, create a new instance
-		self = new CCamPerformanceLogger();
-		if( !self )
-			{
-			// Not enough memory to instantiate CCamPerfomranceLogger
-			User::Panic( KCamPerformanceLogger, KErrNoMemory );			
-			}
-		return self;
-		}
-	}
-
-// ---------------------------------------------------------------------------
-// CCamPerformanceLogger::SaveAndReset
-// Static function, which saves the recoded log data and clears the log
-// ---------------------------------------------------------------------------
-//	
-void CCamPerformanceLogger::SaveAndReset()
-	{
-	// Get pointer to the current CCamPerformanceLogger object using CCoeEnv.FindStatic()	
-	CCamPerformanceLogger* self = static_cast<CCamPerformanceLogger*>( CCoeEnv::Static()->FindStatic( TUid::Uid( KCameraappUID ) ) );
-	
-	if( self && self->iLogItems.Count() > 0 )
-		{
-		TRAP_IGNORE( self->SaveLogDataL() );
-		TRAP_IGNORE( self->SaveAnalysisL() );
-		
-		// Clear the logitems array
-		self->iLogItems.Reset();
-		}		
-	}
-
-// ---------------------------------------------------------------------------
-// CCamPerformanceLogger::EventStart
-// Appends an event start item to the memory log
-// ---------------------------------------------------------------------------
-//		
-void CCamPerformanceLogger::EventStart( TCamEvent aEvent )
-	{
-	TLogItem item( EItemEventStart, aEvent, Time64() - iStartTime );
-	iLogItems.Append( item ); // Ignore return value
-	}
-
-// ---------------------------------------------------------------------------
-// CCamPerformanceLogger::EventEnd
-// Appends an event end item to the memory log
-// ---------------------------------------------------------------------------
-//		
-void CCamPerformanceLogger::EventEnd( TCamEvent aEvent )
-	{
-	TLogItem item( EItemEventEnd, aEvent, Time64() - iStartTime );
-	iLogItems.Append( item );	// Ignore return value
-	}
-
-// ---------------------------------------------------------------------------
-// CCamPerformanceLogger::Message
-// Appends a message to the memory log
-// ---------------------------------------------------------------------------
-//		
-void CCamPerformanceLogger::Message( TCamMessage aMessage )
-	{
-	TLogItem item( EItemMessage, aMessage, Time64() - iStartTime );
-	iLogItems.Append( item );	// Ignore return value
-	}
-
-// ---------------------------------------------------------------------------
-// CCamPerformanceLogger::EngineState
-// Appends an engine state change to the memory log
-// ---------------------------------------------------------------------------
-//	
-void CCamPerformanceLogger::EngineState( TInt aState )
-	{
-	TLogItem item( EItemEngineStateChange, aState, Time64() - iStartTime );
-	iLogItems.Append( item );	// Ignore return value
-	}
-	
-// ---------------------------------------------------------------------------
-// CCamPerformanceLogger::OperationState
-// Appends an operation state change to the memory log
-// ---------------------------------------------------------------------------
-//	
-void CCamPerformanceLogger::OperationState( TInt aState )
-	{
-	TLogItem item( EItemOperationStateChange, aState, Time64() - iStartTime );
-	iLogItems.Append( item );	// Ignore return value
-	}	
-
-// ---------------------------------------------------------------------------
-// CCamPerformanceLogger::LogItemToDes
-// Converts log item data into LogicAnalyzer compatible string, and stores 
-// it in aDes
-// ---------------------------------------------------------------------------
-//		
-void CCamPerformanceLogger::LogItemToDes( const TLogItem& aItem, TDes& aDes )
-	{
-	// Clear the descriptor contents
-	aDes.Zero();
-	
-	// Append time of the log item and space
-	TInt64 time = aItem.iTime;
-	AppendTime( aDes, time, ETrue );
-	aDes.Append( KPerfLogItemTab );
-		
-	// Append item type specific formatted string
-	switch( aItem.iItemType ) 
-		{
-		case EItemEventStart:
-			{
-			aDes.AppendFormat( KPerfEventStart, aItem.iIntValue );
-			}
-			break;
-		case EItemEventEnd:
-			{
-			aDes.AppendFormat( KPerfEventEnd, aItem.iIntValue );	
-			}	
-			break;
-		case EItemMessage:
-			{
-			aDes.AppendFormat( KPerfMessage, aItem.iIntValue );	
-			}
-			break;
-		case EItemEngineStateChange:
-			{
-			aDes.AppendFormat( KPerfEngineStateChange, aItem.iIntValue );	
-			}
-			break;
-		case EItemOperationStateChange:
-			{
-			aDes.AppendFormat( KPerfOperationStateChange, aItem.iIntValue );	
-			}
-			break;			
-		default:
-			{
-			aDes.AppendFormat( KPerfUnknown, aItem.iIntValue );	
-			}
-			break;
-		}	
-	}
-
-
-// ---------------------------------------------------------------------------
-// CCamPerformanceLogger::AppendTime
-// Appends time represendted by aTime to aDes with format seconds.milliseconds
-// ---------------------------------------------------------------------------
-//	
-void CCamPerformanceLogger::AppendTime( TDes& aDes, TInt64 aTime, TBool aSpace )
-	{
-	// Convert system time to milliseconds
-	TInt64 timeInMillis = aTime / KDividerSystemToMilliseconds;
-	
-	// Get seconds and remainder (milliseconds)
-	TInt seconds = timeInMillis / KDividerMillisecondsToSeconds;
-	TInt milliseconds = timeInMillis % KDividerMillisecondsToSeconds;
-	
-	// Append seconds to the log item, with or without trailing space
-	if( aSpace )
-		{
-		aDes.AppendFormat( KPerfLogItemSecondsFormatSpace, seconds, milliseconds );
-		}
-	else
-		{
-		aDes.AppendFormat( KPerfLogItemSecondsFormat, seconds, milliseconds );
-		}
-	}
-
-// ---------------------------------------------------------------------------
-// CCamPerformanceLogger::SaveLogDataL
-// Saves all data from memory log to file KPerfLogFilename
-// ---------------------------------------------------------------------------
-//
-void CCamPerformanceLogger::SaveLogDataL() const
-	{ 	
-	TBuf<KPerfMaxLogItemStringLength> itemDes;	
-	
-	// Connect to file server and create the output stream	
-	RFs fs;
-	User::LeaveIfError( fs.Connect() );
-	CleanupClosePushL( fs );
-	
-	RFileWriteStream writeStream;
-	User::LeaveIfError( writeStream.Replace( fs, KPerfLogFilename, EFileWrite ) );
-	writeStream.PushL();
-	
-	// Convert each item to Des8 and write to the stream
-	TInt n = iLogItems.Count();
-	for( int i=0; i<n; i++ )
-		{
-		const TLogItem& item = iLogItems[i];
-		LogItemToDes( item, itemDes );
-		WriteLineL( writeStream, itemDes );
-		}	
-	
-	// Commit and release the stream		
-	writeStream.CommitL();
-	writeStream.Pop();
-	writeStream.Release();	
-			
-	CleanupStack::PopAndDestroy(); // fs
-	}
-
-// ---------------------------------------------------------------------------
-// CCamPerformanceLogger::SaveAnalysisL
-// Performs simple analysis to event data from memory log and writes the
-// result to file KPerfAnalysisFilenam
-// ---------------------------------------------------------------------------
-//	
-void CCamPerformanceLogger::SaveAnalysisL() const
-	{ 	
-	#ifdef CAMERAAPP_PERF_LOG_ANALYZE_EVENTS
-		
-	TBuf<KPerfMaxLogItemStringLength> itemDes;	
-
-	TBool eventStatus[ EPerfEventLastEvent ];
-	TInt64 startTimes[ EPerfEventLastEvent ];
-	
-	for( int i=0; i<EPerfEventLastEvent; i++)
-		{
-		eventStatus[i] = EFalse;
-		}
-		
-	// Connect to file server and create the output stream	
-	RFs fs;
-	User::LeaveIfError( fs.Connect() );
-	CleanupClosePushL( fs );
-	
-	RFileWriteStream writeStream;
-	User::LeaveIfError( writeStream.Replace( fs, KPerfAnalysisFileName, EFileWrite ) );
-	writeStream.PushL();	
-	
-	TInt n = iLogItems.Count();
-	
-	// Go through each item in the memory log
-	for( TInt i=0; i<n; i++ )
-	{
-		const TLogItem& item = iLogItems[i];
-		
-		TInt intValue = item.iIntValue;
-		TInt64 time = item.iTime;
-		TBool status = eventStatus[ intValue ];
-				
-		if( EItemEventStart == item.iItemType )
-			{
-			if( !status )
-				{
-				// Start for an event that has not yet been start
-				eventStatus[ intValue ] = ETrue;
-				startTimes[ intValue ] = time;
-				}
-			else
-				{
-				// Start for an event that has already been started
-				// Replace old start time with the new one
-				startTimes[ intValue ] = time;
-				#ifdef CAMERAAPP_PERF_ANALYSIS_WARN_MULTIPLE_START				
-				itemDes.Format( KAnalysisEventAlreadyStarted, intValue );
-				AppendTime( itemDes, time );
-				WriteLineL( writeStream, itemDes );
-				#endif	
-				}
-			}	
-		else if( EItemEventEnd == item.iItemType )
-			{
-			if( status )	
-				{
-				// End for an event that has been started
-				itemDes.Format( KAnalysisEventType, intValue );
-				itemDes.Append( KAnalysisEventStartTime );
-				AppendTime( itemDes, startTimes[ intValue ] );
-				itemDes.Append( KAnalysisEventEndTime );
-				AppendTime( itemDes, time );
-				itemDes.Append( KAnalysisEventDuration );
-				AppendTime( itemDes, time - startTimes[ intValue ] );
-				WriteLineL( writeStream, itemDes );
-					
-				eventStatus[ intValue ] = EFalse;
-				}
-			else
-				{	
-				// End for an event that has not been started
-				#ifdef CAMERAAPP_PERF_ANALYSIS_WARN_END_WITHOUT_START
-					itemDes.Format( KAnalysisEndWithoutStart, intValue );
-					AppendTime( itemDes, time );
-					WriteLineL( writeStream, itemDes );
-				#endif
-				}				
-			}
-		else
-			{
-			// Ignore other event types
-			}	
-	}
-	
-	#ifdef CAMERAAPP_PERF_ANALYSIS_WARN_START_WITHOUT_END
-	for( int i=0; i<EPerfEventLastEvent; i++ )
-		{
-		if( eventStatus[ i ] )
-			{
-			itemDes.Format( KAnalysisStartWithoutEnd, i );
-			AppendTime( itemDes, startTimes[ i ] );
-			WriteLineL( writeStream, itemDes );
-			}
-		}
-	#endif
-	
-	// Commit and release the stream		
-	writeStream.CommitL();
-	writeStream.Pop();
-	writeStream.Release();	
-			
-	CleanupStack::PopAndDestroy(); // fs
-	
-	#endif // CAMERAAPP_PERF_LOG_ANALYZE_EVENTS
-	}
-
-
-// ---------------------------------------------------------------------------
-// CCamPerformanceLogger::WriteLineL
-// Writes the contents of descriptor aDes followed by '\n' to aStream
-// ---------------------------------------------------------------------------
-//
-void CCamPerformanceLogger::WriteLineL( RFileWriteStream& aStream, TDes& aDes )
-	{
-	TBuf8<KPerfMaxLogItemStringLength> des8;
-	des8.Copy( aDes );
-	aStream.WriteL( des8 );
-	aStream.WriteL( KPerfLogItemCrLf8 );
-	}	
-
-// ---------------------------------------------------------------------------
-// CCamPerformanceLogger::Time64
-// Returns system 64-bit representation of the current time
-// ---------------------------------------------------------------------------
-//	
-TInt64 CCamPerformanceLogger::Time64()
-	{
-	TTime time;
-	time.HomeTime();
-	return time.Int64();
-	}
-
-#endif // CAMERAAPP_PERF_LOG_MEMORY
-		
-//  End of File  
-