diff -r 000000000000 -r c53acadfccc6 metadataengine/server/src/mdslogger.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/metadataengine/server/src/mdslogger.cpp	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,334 @@
+/*
+* Copyright (c) 2005-2009 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:  Metadata server logger class*
+*/
+
+#include "mdslogger.h"
+#include "mdsclausebuffer.h"
+#include "mdssqliteconnection.h"
+
+
+#ifdef LOG_MASTER_FLAG
+
+// ========================= MEMBER FUNCTIONS ==================================
+
+// ------------------------------------------------
+// NewInstanceL
+// ------------------------------------------------
+//
+CMdSLogger* CMdSLogger::NewInstanceL()
+    {
+    static CMdSLogger* singleton;
+    if ( singleton == NULL )
+        {
+        singleton = new (ELeave) CMdSLogger();      
+        CleanupStack::PushL(singleton);
+        singleton->ConstructL();
+        CleanupStack::Pop(singleton);
+        }
+    return singleton;
+    }
+
+// ------------------------------------------------
+// Default constructor
+// ------------------------------------------------
+//
+CMdSLogger::CMdSLogger()
+	: iAltFileFlag(EFalse), iValid(EFalse)
+    {
+    }
+
+// ------------------------------------------------
+// Destructor
+// ------------------------------------------------
+//
+CMdSLogger::~CMdSLogger()
+    {
+    iLog.CloseLog(); 
+    iLog.Close();
+    }
+
+// ------------------------------------------------
+// ConstructL
+// ------------------------------------------------
+//
+void CMdSLogger::ConstructL()
+    {
+    User::LeaveIfError( iLog.Connect() );
+    iLog.CreateLog(KDirectory, KFilename, EFileLoggingModeOverwrite);
+    iLog.SetDateAndTime(EFalse, ETrue);
+    
+    iValid = iLog.LogValid();
+
+    // set up logging categories
+    Activate( ELogAlways );
+#ifdef LOG_QUERY
+    Activate( ELogQuery );
+#endif
+#ifdef LOG_DB
+    Activate( ELogDb );
+#endif
+#ifdef LOG_MUTEX
+    Activate( ELogMutex );
+#endif
+#ifdef LOG_SERVER
+    Activate( ELogServer );
+#endif
+    }
+
+// ------------------------------------------------
+// LogLit
+// ------------------------------------------------
+//
+void CMdSLogger::LogLit( const TDesC8& aText )
+    {
+    if (!iValid)
+    	{
+    	return;
+    	}
+
+    TInt offset = 0;
+    TInt linecount = 0;
+    TInt length = aText.Length();
+    while( offset < length )
+        {
+        TInt partLength = Min( length-offset, KLineLength );
+#ifdef MDE_FILE_LOGGING
+        iLog.Write( aText.Mid( offset, partLength ) );
+#else
+        TBuf<KLineLength> buffer;
+        buffer.Copy( aText.Mid( offset, partLength ) );
+        RDebug::Print( buffer );
+#endif
+        ++linecount;
+        offset += partLength;
+        }
+    CheckSize( linecount );
+    }
+
+// ------------------------------------------------
+// LogLit
+// ------------------------------------------------
+//
+void CMdSLogger::LogLit( const TDesC16& aText )
+    {
+    if (!iValid)
+    	{
+    	return;
+    	}
+
+    TInt offset = 0;
+    TInt linecount = 0;
+    TInt length = aText.Length();
+    while( offset < length )
+        {
+        TInt partLength = Min( length-offset, KLineLength );
+#ifdef MDE_FILE_LOGGING
+        iLog.Write( aText.Mid( offset, partLength ) );
+#else
+        RDebug::Print( aText.Mid( offset, partLength ) );
+#endif
+        ++linecount;
+        offset += partLength;
+        }
+    CheckSize( linecount );
+    }
+
+// ------------------------------------------------
+// CheckSize
+// ------------------------------------------------
+//
+void CMdSLogger::CheckSize( TInt aLines )
+    {
+#ifdef MDE_FILE_LOGGING
+    iLineCounter += aLines;
+    if ( iLineCounter < KLogfileMaxLength ) return; // no worries
+
+    iLineCounter = 0;
+
+    iLog.CloseLog();
+    
+    if ( !iAltFileFlag )
+        {
+        iLog.CreateLog(KDirectory, KAltFilename, EFileLoggingModeOverwrite);
+        iAltFileFlag = ETrue;       
+        }
+    else
+        {
+        iLog.CreateLog(KDirectory, KFilename, EFileLoggingModeOverwrite);
+        iAltFileFlag = EFalse;        
+        }    
+    iLog.SetDateAndTime(EFalse, ETrue);
+#else
+    aLines = 0;
+#endif
+    }
+
+// ---------------------------------------------------------------------------
+// DescribeL                Returns sql clause with variables
+// ---------------------------------------------------------------------------
+//
+CMdsClauseBuffer* CMdSLogger::DescribeL( const CMdsClauseBuffer& aBuffer, const RRowData& aRowData )
+    {
+    if (!iValid)
+    	{
+    	return NULL;
+    	}
+
+    CMdsClauseBuffer* buf = CMdsClauseBuffer::NewLC( aBuffer.ConstBufferL().Length() + 1024 );
+    buf->BufferL().Copy( aBuffer.ConstBufferL() );
+    buf->AppendL( _L(" variables=") );
+    for( TInt i=0; i<aRowData.Size(); ++i )
+        {
+        if ( i>0 ) buf->AppendL( _L(", ") );
+        LogVariableL( *buf, aRowData.Column(i) );
+        }
+    CleanupStack::Pop( buf );
+    return buf;
+    }
+
+// ---------------------------------------------------------------------------
+// DescribeL                Returns sql clause with variables
+// ---------------------------------------------------------------------------
+//
+CMdsClauseBuffer* CMdSLogger::DescribeFullL( const TDesC& aBuffer, const RRowData& aRowData )
+    {
+    if (!iValid)
+    	{
+    	return NULL;
+    	}
+
+    const TChar KQuestionMark = '?';
+    TPtrC buffer( aBuffer );
+    const TInt aBufferLength = aBuffer.Length();
+    CMdsClauseBuffer* buf = CMdsClauseBuffer::NewLC( aBufferLength *2 );
+    TInt columnNumber = 0;
+    TInt qpos = buffer.Locate( KQuestionMark );
+    while( qpos >= 0 )
+    	{
+		buf->ReserveSpaceL( buf->ConstBufferL().Length() + qpos );
+		buf->BufferL().Append( buffer.Left( qpos ) );
+		LogVariableL( *buf, aRowData.Column(columnNumber++) );
+    	buffer.Set( buffer.Mid( qpos + 1 ) );
+    	qpos = buffer.Locate( KQuestionMark );
+    	}
+	buf->ReserveSpaceL( buf->ConstBufferL().Length() + buffer.Length() );
+	buf->BufferL().Append( buffer );
+
+	CleanupStack::Pop( buf );
+    return buf;
+    }
+
+// ---------------------------------------------------------------------------
+// LogVariableL         Logging method for query variables
+// ---------------------------------------------------------------------------
+//
+void CMdSLogger::LogVariableL( CMdsClauseBuffer& aBuf, const TColumn& aColumn )
+    {
+    _LIT( KApostrophe, "\'" );
+    switch( aColumn.Type() )
+        {
+        case EColumnNotUsed:
+            {
+            aBuf.ReserveSpaceL( aBuf.ConstBufferL().Length() + 8 );
+            _LIT( KMessageUnused, "<unused>" );
+            aBuf.BufferL().Append( KMessageUnused );
+            break;
+            }
+        case EColumnBool:
+            {
+            TBool val=0;
+            aColumn.Get( val );
+            aBuf.ReserveSpaceL( aBuf.ConstBufferL().Length() + 4 );
+            aBuf.BufferL().AppendNum( val );
+            }
+            break;
+        case EColumnInt32:
+            {
+            TInt32 val=0;
+            aColumn.Get( val );
+            aBuf.ReserveSpaceL( aBuf.ConstBufferL().Length() + 16 );
+            aBuf.BufferL().AppendNum( static_cast<TInt>(val) );
+            }
+            break;
+        case EColumnUint32:
+            {
+            TUint32 val=0;
+            aColumn.Get( val );
+            aBuf.ReserveSpaceL( aBuf.ConstBufferL().Length() + 16 );
+            aBuf.BufferL().AppendNum( val, EDecimal );
+            }
+            break;
+        case EColumnTime:
+            {
+            TTime val(0);
+            TBuf<128> tmp;
+            aColumn.Get( val );
+            _LIT(KTimeFormat, "%D%1.%M%2.%Y%3 %H:%T:%S");
+            val.FormatL(tmp, KTimeFormat);
+            aBuf.ReserveSpaceL( aBuf.ConstBufferL().Length() + 20 );
+            aBuf.BufferL().Append( tmp );
+            }
+            break;
+        case EColumnInt64:
+            {
+            TInt64 val=0;
+            aColumn.Get( val );
+            aBuf.ReserveSpaceL( aBuf.ConstBufferL().Length() + 32 );
+            aBuf.BufferL().AppendNum( val );
+            }
+            break;
+        case EColumnReal32:
+            {
+            TReal32 val=0;
+            aColumn.Get( val );
+            aBuf.ReserveSpaceL( aBuf.ConstBufferL().Length() + 32 );
+            aBuf.BufferL().AppendNum( val, TRealFormat() );
+            }
+            break;
+        case EColumnReal64:
+            {
+            TReal64 val=0;
+            aColumn.Get( val );
+            aBuf.ReserveSpaceL( aBuf.ConstBufferL().Length() + 32 );
+            aBuf.BufferL().AppendNum( val, TRealFormat() );
+            }
+            break;
+        case EColumnDes16:
+            {
+            TPtrC16 val= TPtr16((TUint16*)0, 0); //KNullPtr16;
+            aColumn.Get( val );
+            if( val.Ptr() )
+            	{
+            	aBuf.ReserveSpaceL( aBuf.ConstBufferL().Length() + 
+            			val.Length() + 2 * KApostrophe().Length() ); // for ''
+            	aBuf.BufferL().Append( KApostrophe );
+            	aBuf.BufferL().Append( val );
+            	aBuf.BufferL().Append( KApostrophe );
+            	}
+            else
+            	{
+            	_LIT( KNull, "NULL" );
+            	aBuf.ReserveSpaceL( aBuf.ConstBufferL().Length() + 
+            			KNull().Length() );
+            	aBuf.BufferL().Append( KNull );
+            	}
+            }
+            break;
+        default:
+            User::Leave( KErrCorrupt );
+        }
+    }
+
+#endif // LOG_MASTER_FLAG