--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vtengines/videoteleng/Logger/Src/CVtLogger.cpp	Mon Nov 23 14:47:47 2009 +0200
@@ -0,0 +1,371 @@
+/*
+* Copyright (c) 2004 - 2005 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:  Video telephony logger
+*
+*/
+
+
+#pragma CTC SKIP
+// INCLUDE FILES
+#include    "cvtlogger.h"
+
+
+// LOCAL CONSTANTS
+_LIT( KVtEngLogConfig, "c:\\Logs\\VT\\VTLOGCONF.txt" );
+_LIT( KVtEngLogFolder, "c:\\Logs\\VT" );
+_LIT( KVtEngLogFolderLogger, "VT" );
+_LIT( KVtEngLogPrefix, "VT: " );
+_LIT( KVtEngLogExtension, ".txt" );
+_LIT( KVtLoggerEnterFunc, "<" );
+_LIT( KVtLoggerExitFunc, ">" );
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CVtLogger::CVtLogger
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CVtLogger::CVtLogger() : CActive( CActive::EPriorityStandard - 1 ),
+    iLogLevel( ELogLogEverything )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CVtLogger::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CVtLogger::ConstructL( )
+    {
+    User::LeaveIfError( iFs.Connect() );
+    TFindFile find( iFs );
+    TUint logLevel( 0 );
+    TInt ret = iFs.Att(KVtEngLogFolder, logLevel );
+    if ( ret == KErrNone )
+        {
+        if ( find.FindByPath( KVtEngLogConfig, NULL ) == KErrNone )
+            {
+            CActiveScheduler::Add( this );
+            ReadCongigFile();
+            }
+        if ( iLogLevel & ELogToFile )
+            {
+            RThread thread;
+            iFileName.Copy( thread.Name() );
+            iFileName.Append( KVtEngLogExtension );
+            }
+        }
+    Dll::SetTls( this );
+    }
+
+// -----------------------------------------------------------------------------
+// CVtLogger::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CVtLogger* CVtLogger::NewL( )
+    {
+    CVtLogger* self = new( ELeave ) CVtLogger;
+
+    CleanupStack::PushL( self );
+    self->ConstructL( );
+    CleanupStack::Pop();
+
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtLogger::~CVtLogger
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CVtLogger::~CVtLogger()
+    {
+    Cancel();
+    iFs.Close();
+    Dll::SetTls( NULL );
+    }
+
+// -----------------------------------------------------------------------------
+// CVtLogger::Print
+// Writes to log.
+// -----------------------------------------------------------------------------
+//
+void CVtLogger::Print( TDesC& aDes )
+    {
+    if ( iLogLevel & ELogTime && !(iLogLevel & ELogToFile) )
+        {
+        TTime time;
+        time.HomeTime();
+        const TDateTime dt= time.DateTime();
+
+        iTempBuf.Zero();
+        iTempBuf.AppendNum( dt.Minute() );
+        iTempBuf.Append(':');
+        iTempBuf.AppendNum( dt.Second() );
+        iTempBuf.Append(':');
+        iTempBuf.AppendNum( dt.MicroSecond() );
+        iTempBuf.Append(' ');
+
+        const TInt currentLength( iTempBuf.Length() );
+
+        iTempBuf.Append( aDes.Left( Min( iTempBuf.MaxLength() - currentLength, aDes.Length() ) ) );
+        RDebug::Print( iTempBuf );
+        }
+    else
+        {
+        if ( iLogLevel & ELogToFile )
+            {
+            RFileLogger::Write(
+                KVtEngLogFolderLogger,
+                iFileName,
+                EFileLoggingModeAppend,
+                aDes );
+            }
+        else
+            {
+            RDebug::Print( aDes );
+            }
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CVtLogger::Print
+// Writes to log.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CVtLogger::Print(
+    TInt aLevel,
+    TPtrC aBuffer )
+    {
+    CVtLogger* logger = CVtLogger::Logger();
+    if ( logger && logger->CheckLevels( aLevel ) )
+        {
+        logger->iBuffer.Copy( KVtEngLogPrefix );
+        logger->iBuffer.Append( aBuffer);
+        logger->Print( logger->iBuffer );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CVtLogger::Print
+// Writes to log.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CVtLogger::Print(
+    TInt aLevel,
+    TPtrC aBuffer,
+    TInt aValue )
+    {
+    CVtLogger* logger = CVtLogger::Logger();
+    if ( logger && logger->CheckLevels( aLevel ) )
+        {
+        logger->iBuffer.Zero();
+        logger->iBuffer.AppendNum( aValue );
+        logger->iBuffer.Format( aBuffer, aValue );
+        logger->iBuffer.Insert( 0, KVtEngLogPrefix );
+        logger->Print( logger->iBuffer );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CVtLogger::Print
+// Writes to log.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CVtLogger::Print(
+    TInt aLevel,
+    TPtrC aBuffer,
+    TInt aValue1,
+    TInt aValue2 )
+    {
+    CVtLogger* logger = CVtLogger::Logger();
+    if ( logger && logger->CheckLevels( aLevel ) )
+        {
+        logger->iBuffer.Format( aBuffer, aValue1, aValue2 );
+        logger->iBuffer.Insert( 0, KVtEngLogPrefix );
+        logger->Print( logger->iBuffer );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CVtLogger::Print
+// Writes to log.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CVtLogger::Print(
+            TInt aLevel,
+            const TBool aEntry,
+            TPtrC aBuffer,
+            TInt aRetVal )
+    {
+    CVtLogger* logger = CVtLogger::Logger();
+    if ( logger && logger->CheckLevels( aLevel ) )
+        {
+        logger->iBuffer.Copy( KVtEngLogPrefix );
+        if ( aEntry )
+            {
+            logger->iBuffer.Append( aBuffer );
+            logger->iBuffer.Append( KVtLoggerEnterFunc );
+            }
+        else
+            {
+            if ( aRetVal != KVtDebugReturnValNotApplicable )
+                {
+                logger->iTempBuf.Format( aBuffer, aRetVal );
+                logger->iBuffer.Append( logger->iTempBuf );
+                }
+            else
+                {
+                logger->iBuffer.Append( aBuffer );
+                }
+            logger->iBuffer.Append( KVtLoggerExitFunc );
+            }
+        logger->Print( logger->iBuffer );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CVtLogger::Logger
+// Returns logger.
+// -----------------------------------------------------------------------------
+//
+CVtLogger* CVtLogger::Logger()
+    {
+    TAny* tls = Dll::Tls();
+    if ( tls )
+        {
+        return reinterpret_cast<CVtLogger*>( tls );
+        }
+    return NULL;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtLogger::Initialize
+// Initialize logger.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CVtLogger::Initialize()
+    {
+    CVtLogger* logger = NULL;
+    if ( Dll::Tls() == NULL )
+        {
+        TRAPD( err, logger = CVtLogger::NewL() );
+        if ( err == KErrNone )
+            {
+            Dll::SetTls( logger );
+            }
+        }
+    else
+        {
+        logger = CVtLogger::Logger();
+        }
+    if ( logger )
+        {
+        (logger->iAccessCount)++;
+        }
+
+    }
+
+// -----------------------------------------------------------------------------
+// CVtLogger::Uninitialize
+// Uninitialize logger.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CVtLogger::Uninitialize()
+    {
+    TAny* tls = Dll::Tls();
+    if ( tls )
+        {
+        CVtLogger* logger = CVtLogger::Logger();
+        TInt count( --(logger->iAccessCount) );
+        if ( !count )
+            {
+            delete reinterpret_cast<CVtLogger*>( tls );
+            Dll::SetTls( NULL );
+            }
+        }
+
+    }
+
+void CVtLogger::ReadCongigFile()
+    {
+#ifdef _DEBUG
+    RDebug::Print(_L(" VT: ReadConfigFile" ) );
+#endif
+    RFile config;
+    if ( config.Open( iFs, KVtEngLogConfig, EFileShareAny ) == KErrNone )
+        {
+        TBuf8<16> buf;
+        if ( config.Read( buf ) == KErrNone )
+            {
+            TLex8 lex( buf );
+            TUint logLevel( 0 );
+            if ( lex.Val( logLevel, EHex ) == KErrNone )
+                {
+                iLogLevel = logLevel;
+                }
+            }
+        config.Close();
+        }
+    iFs.NotifyChange( ENotifyEntry, iStatus, KVtEngLogConfig() );
+    SetActive();
+    }
+
+void CVtLogger::RunL()
+    {
+    if ( iStatus == KErrNone )
+        {
+        ReadCongigFile();
+        }
+    }
+
+void CVtLogger::DoCancel()
+    {
+    iFs.NotifyChangeCancel();
+    }
+
+// -----------------------------------------------------------------------------
+// CVtLogger::Flags
+// Returns flags.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TInt CVtLogger::Flags()
+    {
+    CVtLogger* logger = CVtLogger::Logger();
+    if ( logger )
+        {
+        return logger->iLogLevel;
+        }
+    return KErrGeneral;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtLogger::CheckLevels
+// Check debug level.
+// -----------------------------------------------------------------------------
+//
+TBool CVtLogger::CheckLevels( TInt aLevels ) const
+    {
+    if ( aLevels & iLogLevel )
+        {
+        return ETrue;
+        }
+    return EFalse;
+    }
+#pragma CTC ENDSKIP
+//  End of File