diff -r 1a6714c53019 -r cce62ebc198e radioengine/utils/api/mradioenginelogger.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/radioengine/utils/api/mradioenginelogger.h	Tue Aug 31 15:15:02 2010 +0300
@@ -0,0 +1,114 @@
+/*
+* Copyright (c) 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:
+*
+*/
+
+#ifndef M_RADIOENGINELOGGER_H
+#define M_RADIOENGINELOGGER_H
+
+#include <e32std.h>
+
+_LIT( KMarkerEngine, "RadioEngine:" );
+_LIT( KMarkerUi,     "RadioUI:    " );
+
+/**
+ * Common interface for logger types.
+ */
+NONSHARABLE_CLASS( MRadioEngineLogger )
+    {
+
+public:
+
+    IMPORT_C static MRadioEngineLogger* Logger();
+
+    /**
+     * Clear the log.
+     */
+    virtual MRadioEngineLogger& ClearLog() = 0;
+
+    /**
+     * Adds a 8-bit string to log line
+     */
+    virtual MRadioEngineLogger& Add( const TDesC8& aMsg ) = 0;
+
+    /**
+     * Adds a 16-bit string to log line
+     */
+    virtual MRadioEngineLogger& Add( const TDesC& aMsg ) = 0;
+
+    /**
+     * Adds a TInt to log line
+     */
+    virtual MRadioEngineLogger& Add( TInt aInt ) = 0;
+
+    /**
+     * Adds a TReal to log line
+     */
+    virtual MRadioEngineLogger& Add( const TReal& aReal ) = 0;
+
+    /**
+     * Adds a c-style string to log line
+     */
+    virtual MRadioEngineLogger& Add( const char* aText ) = 0;
+
+    /**
+     * Adds a pointer value to log line
+     */
+    virtual MRadioEngineLogger& Add( const TAny* aPtr ) = 0;
+
+    /**
+     * Adds a timestamp of current time to log line
+     */
+    virtual MRadioEngineLogger& Add( const TTime& aTime ) = 0;
+
+    /**
+     * Adds a timestamp of current time to log line
+     */
+    virtual MRadioEngineLogger& AddTimestamp() = 0;
+
+    /**
+     * Adds a formatted string to log line
+     */
+    virtual MRadioEngineLogger& AddFormat( TRefByValue<const TDesC> aFmt, ... ) = 0;
+
+    /**
+     * Adds the line indentation to log line
+     */
+    virtual MRadioEngineLogger& AddIndent( const TDesC& aMarker ) = 0;
+
+    /**
+     * Adds the line indentation to log line
+     */
+    virtual MRadioEngineLogger& AddIndentClear( const TDesC& aMarker ) = 0;
+
+    /**
+     * Increment indentation
+     */
+    virtual MRadioEngineLogger& IncIndent() = 0;
+
+    /**
+     * Decrement indentation
+     */
+    virtual MRadioEngineLogger& DecIndent() = 0;
+
+    /**
+     * Commits the log line to file and RDebug and resets internal buffer
+     * @param aNewLine ETrue if newline is to be added, EFalse if not
+     */
+    virtual MRadioEngineLogger& Commit( TBool aNewLine = ETrue ) = 0;
+
+    };
+
+#endif // M_RADIOENGINELOGGER_H