/*

* Copyright (c) 2008 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:  Tracing macros.

*

*/

#ifndef TRACE_H

#define TRACE_H

#include "traceconfiguration.hrh"

#include "tracedefs.h"

#ifdef TRACE_INTO_FILE

#include <flogger.h> // RFileLogger

#else

#include <e32debug.h> // RDebug

#endif

//-----------------------------------------------------------------------------

// Constants

//-----------------------------------------------------------------------------

//

/**

* Prefix error trace

*/

#define _PREFIX_ERROR( aMsg ) _PREFIX_TRACE( "[ERROR: %d]: " L##aMsg )

/**

* Prefix info trace.

*/

#define _PREFIX_INFO( aMsg ) _PREFIX_TRACE( "[INFO]: " L##aMsg )

/**

* Define needed directories if TRACE_INTO_FILE macro in use

*/

#ifdef TRACE_INTO_FILE

    _LIT( KDir, "mediakeys" );

    _LIT( KFile, "mediakeys_log.txt" );

    _LIT( KFullPath, "c:\\logs\\mediakeys\\" );

#endif

//-----------------------------------------------------------------------------

// Error trace macros

//-----------------------------------------------------------------------------

//

#ifdef ERROR_TRACE

    /**

    * Error trace definitions.

    */

    #ifdef TRACE_INTO_FILE

        #define ERROR( aErr, aMsg )\

            {\

            if( aErr < KErrNone )\

                {\

                RFileLogger::WriteFormat( KDir, KFile, EFileLoggingModeAppend, \

                    _PREFIX_ERROR( aMsg ), aErr );\

                }\

            }

        #define ERROR_1( aErr, aMsg, aP1 )\

            {\

            if( aErr < KErrNone )\

                {\

                RFileLogger::WriteFormat( KDir, KFile, EFileLoggingModeAppend, \

                    _PREFIX_ERROR( aMsg ), aErr, aP1 );\

                }\

            }

        #define ERROR_2( aErr, aMsg, aP1, aP2 )\

            {\

            if( aErr < KErrNone )\

                {\

                RFileLogger::WriteFormat( KDir, KFile, EFileLoggingModeAppend, \

                    _PREFIX_ERROR( aMsg ), aErr, aP1, aP2 );\

                }\

            }

        #define ERROR_3( aErr, aMsg, aP1, aP2, aP3 )\

            {\

            if( aErr < KErrNone )\

                {\

                RFileLogger::WriteFormat( KDir, KFile, EFileLoggingModeAppend, \

                    _PREFIX_ERROR( aMsg ), aErr, aP1, aP2, aP3 );\

                }\

            }

    #else//TRACE_INTO_FILE not defined

        #define ERROR( aErr, aMsg )\

            {\

            if( aErr < KErrNone )\

                {\

                RDebug::Print( _PREFIX_ERROR( aMsg ), aErr );\

                }\

            }

        #define ERROR_1( aErr, aMsg, aP1 )\

            {\

            if( aErr < KErrNone )\

                {\

                RDebug::Print( _PREFIX_ERROR( aMsg ), aErr, aP1 );\

                }\

            }

        #define ERROR_2( aErr, aMsg, aP1, aP2 )\

            {\

            if( aErr < KErrNone )\

                {\

                RDebug::Print( _PREFIX_ERROR( aMsg ), aErr, aP1, aP2 );\

                }\

            }

        #define ERROR_3( aErr, aMsg, aP1, aP2, aP3 )\

            {\

            if( aErr < KErrNone )\

                {\

                RDebug::Print( _PREFIX_ERROR( aMsg ), aErr, aP1, aP2, aP3 );\

                }\

            }

    #endif//TRACE_INTO_FILE

    #define ERROR_GEN( aMsg ) ERROR( KErrGeneral, aMsg )

    #define ERROR_GEN_1( aMsg, aP1 ) ERROR_1( KErrGeneral, aMsg, aP1 )

    #define ERROR_GEN_2( aMsg, aP1, aP2 ) ERROR_2( KErrGeneral, aMsg, aP1, aP2 )

    #define ERROR_GEN_3( aMsg, aP1, aP2, aP3 ) ERROR_3( KErrGeneral, aMsg, aP1, aP3 )

    #define ERROR_PARAM(_p) _p

    #define TRAPD_ERR( aErr, aStmt ) TRAPD( aErr, aStmt )

    #define TRAP_ERR( aErr, aStmt ) TRAP( aErr, aStmt )

    #define TRAP_AND_LEAVE(_s,_t) \

        { TRAPD(_e,_s); ERROR(_e,_t); User::LeaveIfError(_e); }

#else//ERROR_TRACE not defined

    #define ERROR( aErr, aMsg )

    #define ERROR_1( aErr, aMsg, aP1 )

    #define ERROR_2( aErr, aMsg, aP1, aP2 )

    #define ERROR_3( aErr, aMsg, aP1, aP2, aP3 )

    #define ERROR_GEN( aMsg )

    #define ERROR_GEN_1( aMsg, aP1 )

    #define ERROR_GEN_2( aMsg, aP1, aP2 )

    #define ERROR_GEN_3( aMsg, aP1, aP2, aP3 )

    #define ERROR_PARAM(_p)

    #define TRAPD_ERR( aErr, aStmt ) TRAP_IGNORE( aStmt )

    #define TRAP_ERR( aErr, aStmt )  TRAP_IGNORE( aStmt )

    #define TRAP_AND_LEAVE(_s,_t) { _s; }

#endif//ERROR_TRACE

//-----------------------------------------------------------------------------

// Info trace macros

//-----------------------------------------------------------------------------

//

#ifdef INFO_TRACE

    /**

    * Info log message definitions.

    */

    #ifdef TRACE_INTO_FILE

        #define INFO( aMsg )\

            {\

            RFileLogger::Write( KDir, KFile, EFileLoggingModeAppend, \

                _PREFIX_INFO( aMsg ) );\

            }

        #define INFO_1( aMsg, aP1 )\

            {\

            RFileLogger::WriteFormat( KDir, KFile, EFileLoggingModeAppend, \

                _PREFIX_INFO( aMsg ), aP1 );\

            }

        #define INFO_2( aMsg, aP1, aP2 )\

            {\

            RFileLogger::WriteFormat( KDir, KFile, EFileLoggingModeAppend, \

                _PREFIX_INFO( aMsg ), aP1, aP2 );\

            }

        #define INFO_3( aMsg, aP1, aP2, aP3 )\

            {\

            RFileLogger::WriteFormat( KDir, KFile, EFileLoggingModeAppend, \

                _PREFIX_INFO( aMsg ), aP1, aP2, aP3 );\

            }

    #else//TRACE_INTO_FILE not defined

        #define INFO( aMsg )\

            {\

            RDebug::Print( _PREFIX_INFO( aMsg ) );\

            }

        #define INFO_1( aMsg, aP1 )\

            {\

            RDebug::Print( _PREFIX_INFO( aMsg ), aP1 );\

            }

        #define INFO_2( aMsg, aP1, aP2 )\

            {\

            RDebug::Print( _PREFIX_INFO( aMsg ), aP1, aP2 );\

            }

        #define INFO_3( aMsg, aP1, aP2, aP3 )\

            {\

            RDebug::Print( _PREFIX_INFO( aMsg ), aP1, aP2, aP3 );\

            }

        #define INFO_4( aMsg, aP1, aP2, aP3, aP4 )\

            {\

            RDebug::Print( _PREFIX_INFO( aMsg ), aP1, aP2, aP3, aP4 );\

            }

    #endif//TRACE_INTO_FILE

    #define INFO_PARAM( aParam ) aParam

#else//INFO_TRACE not defined

    #define INFO( aMsg )

    #define INFO_1( aMsg, aP1 )

    #define INFO_2( aMsg, aP1, aP2 )

    #define INFO_3( aMsg, aP1, aP2, aP3 )

    #define INFO_4( aMsg, aP1, aP2, aP3, aP4 )

    #define INFO_PARAM( aParam )

#endif//INFO_TRACE

//-----------------------------------------------------------------------------

// Trace current client thread name and process id

//-----------------------------------------------------------------------------

//

#ifdef CLIENT_TRACE

    #define CLIENT( aMessage )\

        {\

        RThread thread;\

        TInt err = aMessage.Client( thread );\

        if( err == KErrNone )\

            {\

            RProcess process;\

            err = thread.Process( process );\

            if( err == KErrNone )\

                {\

                TPtrC thredName( thread.Name() );\

                TUid processUid( process.SecureId() );\

                INFO_2( "Current client process UID: [%x], thread name: [%S]",\

                    processUid,\

                    &thredName );\

                }\

            process.Close();\

            }\

        thread.Close();\

        }

#else

    #define CLIENT( aMessage )

#endif

//-----------------------------------------------------------------------------

// Function trace macros

//-----------------------------------------------------------------------------

//

#ifdef FUNC_TRACE

    #include <e32base.h> // TCleanupItem

    /**

    * Function logging definitions.

    */

    #ifdef TRACE_INTO_FILE

        #define FUNC( aMsg, aP1 )\

            {\

            TPtrC8 trace( _S8( aMsg ) );\

            RFileLogger::WriteFormat( KDir, KFile, EFileLoggingModeAppend, trace, aP1 );\

            }\

    #else//TRACE_INTO_FILE not defined

        #define FUNC( aMsg, aP1 )\

            {\

            RDebug::Printf( aMsg, aP1 );\

            }\

    #endif//TRACE_INTO_FILE

    /**

    * Function trace helper class.

    *

    * NOTE:

    * LC -methods cannot be trapped. Therefore if LC -method leaves

    * END trace is used instead of LEAVE trace.

    * If you have an idea how to round this problem please tell.

    */

    _LIT8( KFuncNameTerminator, "(" );

    _LIT8( KFuncLeavePatternL, "L" );

    class TFuncLog

        {

        public:

            static void Cleanup( TAny* aPtr )

                {

                TFuncLog* self = static_cast< TFuncLog* >( aPtr );

                self->iLeft = ETrue;

                FUNC( _PREFIX_CHAR("%S-LEAVE"), &self->iFunc ); // Leave detected

                }

            inline TFuncLog( const char* aFunc ) :

                    iFunc( aFunc ? _S8( aFunc ) : _S8("") ),

                    iLeft( EFalse ),

                    iCleanupItem( Cleanup, this ),

                    iCanLeave( EFalse )

                {

                TInt pos( iFunc.Find( KFuncNameTerminator ) );

                if( pos != KErrNotFound )

                    {

                    iFunc.Set( iFunc.Left( pos ) );

                    iCanLeave = !iFunc.Right(

                        KFuncLeavePatternL().Length() ).Compare( KFuncLeavePatternL );

                    if ( iCanLeave )

                        {

                        CleanupStack::PushL( iCleanupItem ); // Ignore warnings

                        }

                    }

                FUNC( _PREFIX_CHAR("%S-START"), &iFunc );

                }

            inline ~TFuncLog()

                {

                if ( !iLeft )

                    {

                    if ( iCanLeave )

                        {

                        CleanupStack::Pop( this ); // Pop the cleanup item

                        }

                    FUNC( _PREFIX_CHAR("%S-END"), &iFunc ); // Normally finished

                    }

                }

        private: // Data

            TPtrC8 iFunc;

            TBool iLeft;

            TCleanupItem iCleanupItem;

            TBool iCanLeave;

        };

    #define FUNC_LOG TFuncLog _fl( __PRETTY_FUNCTION__ );

#else//FUNC_TRACE not defined

    #define FUNC_LOG

#endif//FUNC_TRACE

//-----------------------------------------------------------------------------

// Timestamp trace macros

//-----------------------------------------------------------------------------

//

#ifdef TIMESTAMP_TRACE

    #define PREFIX_TIMESTAMP( aCaption ) _PREFIX_TRACE_2("[TIMESTAMP] (%d:%02d:%02d.%06d us) ",aCaption)

    #define CURRENT_TIME( aDt ) TDateTime aDt; { TTime t; t.HomeTime(); aDt = t.DateTime(); }

    #define EXTRACT_TIME( aDt ) aDt.Hour(), aDt.Minute(), aDt.Second(), aDt.MicroSecond()

    #ifdef TRACE_INTO_FILE

        #define TIMESTAMP( aCaption )\

            {\

            CURRENT_TIME( dt );\

            RFileLogger::WriteFormat( KDir, KFile, EFileLoggingModeAppend,\

                PREFIX_TIMESTAMP(aCaption),EXTRACT_TIME( dt ) );\

            }

        #define TIMESTAMP_1( aCaption, aP1 )\

            {\

            CURRENT_TIME( dt );\

            RFileLogger::WriteFormat( KDir, KFile, EFileLoggingModeAppend,\

                PREFIX_TIMESTAMP(aCaption),EXTRACT_TIME( dt ),aP1 );\

            }

        #define TIMESTAMP_2( aCaption, aP1, aP2 )\

            {\

            CURRENT_TIME( dt );\

            RFileLogger::WriteFormat( KDir, KFile, EFileLoggingModeAppend,\

                PREFIX_TIMESTAMP(aCaption),EXTRACT_TIME( dt ),aP1,aP2 );\

            }

        #define TIMESTAMP_3( aCaption, aP1, aP2, aP3 )\

            {\

            CURRENT_TIME( dt );\

            RFileLogger::WriteFormat( KDir, KFile, EFileLoggingModeAppend,\

                PREFIX_TIMESTAMP(aCaption),EXTRACT_TIME( dt ),aP1,aP2,aP3 );\

            }

    #else//TRACE_INTO_FILE not defined

        #define TIMESTAMP( aCaption )\

            {\

            CURRENT_TIME( dt );\

            RDebug::Print( PREFIX_TIMESTAMP(aCaption),EXTRACT_TIME( dt ) );\

            }

        #define TIMESTAMP_1( aCaption, aP1 )\

            {\

            CURRENT_TIME( dt );\

            RDebug::Print( PREFIX_TIMESTAMP(aCaption),EXTRACT_TIME( dt ),aP1 );\

            }

        #define TIMESTAMP_2( aCaption, aP1, aP2 )\

            {\

            CURRENT_TIME( dt );\

            RDebug::Print( PREFIX_TIMESTAMP(aCaption),EXTRACT_TIME( dt ),aP1,aP2 );\

            }

        #define TIMESTAMP_3( aCaption, aP1, aP2, aP3 )\

            {\

            CURRENT_TIME( dt );\

            RDebug::Print( PREFIX_TIMESTAMP(aCaption),EXTRACT_TIME( dt ),aP1,aP2,aP3 );\

            }

    #endif//TRACE_INTO_FILE

#else//TIMESTAMP_TRACE not defined

    #define TIMESTAMP( aCaption )

    #define TIMESTAMP_1( aCaption, aP1 )

    #define TIMESTAMP_2( aCaption, aP1, aP2 )

    #define TIMESTAMP_3( aCaption, aP1, aP2, aP3 )

#endif//TIMESTAMP_TRACE

#ifdef _DEBUG

    #include <e32debug.h> // RDebug

    static void Panic( const TDesC8& aFileName, const TInt aLineNum )

        {

        TPath name;

        name.Copy( aFileName );

        RDebug::Print( _L( "Assertion failed in file=%S, line=%d" ), &name, aLineNum );

        User::Invariant();

        }

    #define ASSERT_ALWAYS_TRACE Panic( _L8(__FILE__), __LINE__ );

    #define ASSERT_TRACE( _s ) if ( !( _s ) ) { ASSERT_ALWAYS_TRACE; }

#else // _DEBUG

    #define ASSERT_ALWAYS_TRACE

    #define ASSERT_TRACE( _s )

#endif // _DEBUG

#endif // TRACE_H