/*

* Copyright (c) 2010 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"

#include <e32debug.h> // RDebug

#if defined TRACE_INTO_FILE || defined LOG_INTO_FILE

    #include <flogger.h> // RFileLogger

#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 )

/**

* Helper for using _LIT with macros.

*/

#define _CREATE_LIT(a,b) _LIT(a,b)

/**

* Define needed if TRACE_INTO_FILE macro in use

*/

#ifdef TRACE_INTO_FILE

    _CREATE_LIT( KTraceFile, TRACE_FILE );

#endif

/**

* Define needed directories if LOG_INTO_FILE macro in use

*/

#ifdef LOG_INTO_FILE

    _CREATE_LIT( KLogFile, LOG_FILE );

#endif

/**

* Helpers for tracing into file.

*/

#if defined TRACE_INTO_FILE || defined LOG_INTO_FILE

const TText KBackSlash = '\\';

static TPtrC DriveAndPath( const TDesC& aFullPath )

    {

    TInt pos( aFullPath.LocateReverse( KBackSlash ) );

    return ( pos >= 0 && pos < aFullPath.Length() ? aFullPath.Left( pos ) : KNullDesC() );

    }

static TPtrC NameAndExt( const TDesC& aFullPath )

    {

    TInt pos( aFullPath.LocateReverse( KBackSlash ) );

    return ( pos >= 0 && pos < aFullPath.Length() ? aFullPath.Mid( pos + 1 ) : KNullDesC() );

    }

static void EnableFileTrace()

    {

    RFs fs;

    TInt err = fs.Connect();

    if (err == KErrNone)

        {

        TParsePtrC parse(KTraceFile);

        TEntry entry;

        err = fs.Entry(parse.DriveAndPath(), entry);

        if (err == KErrNotFound)

            {

            // folder not found, create it

            err = fs.MkDirAll(parse.DriveAndPath());

            }

        // create trace file

        err = fs.Entry(KTraceFile, entry);

        if (err == KErrNotFound)

            {

            RFile file;

            err = file.Create(fs, KTraceFile, EFileWrite);

            // cleanup

            file.Close();

            }

        // cleanup

        fs.Close();

        }

    }

#endif

/**

 * Helper macro to create trace folder and file

 */

#ifdef TRACE_INTO_FILE

    #define ENABLE_FILE_TRACE\

        {\

        EnableFileTrace();\

        }

#else

    #define ENABLE_FILE_TRACE

#endif

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

// Error trace macros

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

//

#ifdef ERROR_TRACE

    /**

    * Error trace definitions.

    */

    #ifdef TRACE_INTO_FILE

        #define ERROR( aErr, aMsg )\

            {\

            if( aErr < KErrNone )\

                {\

                RFileLogger::WriteFormat( DriveAndPath( KTraceFile ), NameAndExt( KTraceFile ),\

                    EFileLoggingModeAppend,\

                    _PREFIX_ERROR( aMsg ), aErr );\

                }\

            }

        #define ERROR_1( aErr, aMsg, aP1 )\

            {\

            if( aErr < KErrNone )\

                {\

                RFileLogger::WriteFormat( DriveAndPath( KTraceFile ), NameAndExt( KTraceFile ),\

                    EFileLoggingModeAppend,\

                    _PREFIX_ERROR( aMsg ), aErr, aP1 );\

                }\

            }

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

            {\

            if( aErr < KErrNone )\

                {\

                RFileLogger::WriteFormat( DriveAndPath( KTraceFile ), NameAndExt( KTraceFile ),\

                    EFileLoggingModeAppend,\

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

                }\

            }

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

            {\

            if( aErr < KErrNone )\

                {\

                RFileLogger::WriteFormat( DriveAndPath( KTraceFile ), NameAndExt( KTraceFile ),\

                    EFileLoggingModeAppend,\

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

                }\

            }

        #define ERROR_4( aErr, aMsg, aP1, aP2, aP3, aP4 )\

            {\

            if( aErr < KErrNone )\

                {\

                RFileLogger::WriteFormat( DriveAndPath( KTraceFile ), NameAndExt( KTraceFile ),\

                    EFileLoggingModeAppend,\

                    _PREFIX_ERROR( aMsg ), aErr, aP1, aP2, aP3, aP4 );\

                }\

            }

    #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 );\

                }\

            }

        #define ERROR_4( aErr, aMsg, aP1, aP2, aP3, aP4 )\

            {\

            if( aErr < KErrNone )\

                {\

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

                }\

            }

    #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_GEN_4( aMsg, aP1, aP2, aP3, aP4 ) ERROR_4( KErrGeneral, aMsg, aP1, aP3, aP4 )

    #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_4( aErr, aMsg, aP1, aP2, aP3, aP4 )

    #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_GEN_4( aMsg, aP1, aP2, aP3, aP4 )

    #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( DriveAndPath( KTraceFile ), NameAndExt( KTraceFile ),\

                EFileLoggingModeAppend,\

                _PREFIX_INFO( aMsg ) );\

            }

        #define INFO_1( aMsg, aP1 )\

            {\

            RFileLogger::WriteFormat( DriveAndPath( KTraceFile ), NameAndExt( KTraceFile ),\

                EFileLoggingModeAppend,\

                _PREFIX_INFO( aMsg ), aP1 );\

            }

        #define INFO_2( aMsg, aP1, aP2 )\

            {\

            RFileLogger::WriteFormat( DriveAndPath( KTraceFile ), NameAndExt( KTraceFile ),\

                EFileLoggingModeAppend,\

                _PREFIX_INFO( aMsg ), aP1, aP2 );\

            }

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

            {\

            RFileLogger::WriteFormat( DriveAndPath( KTraceFile ), NameAndExt( KTraceFile ),\

                EFileLoggingModeAppend,\

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

            }

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

            {\

            RFileLogger::WriteFormat( DriveAndPath( KTraceFile ), NameAndExt( KTraceFile ),\

                EFileLoggingModeAppend,\

                _PREFIX_INFO( aMsg ), aP1, aP2, aP3, aP4 );\

            }

        #define INFO_5( aMsg, aP1, aP2, aP3, aP4, aP5 )\

            {\

            RFileLogger::WriteFormat( DriveAndPath( KTraceFile ), NameAndExt( KTraceFile ),\

                EFileLoggingModeAppend,\

                _PREFIX_INFO( aMsg ), aP1, aP2, aP3, aP4, aP5 );\

            }

    #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 );\

            }

        #define INFO_5( aMsg, aP1, aP2, aP3, aP4, aP5 )\

            {\

            RDebug::Print( _PREFIX_INFO( aMsg ), aP1, aP2, aP3, aP4, aP5 );\

            }

    #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_5( aMsg, aP1, aP2, aP3, aP4, aP5 )

    #define INFO_PARAM( aParam )

#endif//INFO_TRACE

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

// Trace current client thread name and process id

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

//

#ifdef CLIENT_TRACE

    #define _PREFIX_CLIENT( aMsg ) _PREFIX_TRACE( "[CLIENT: sid [0x%x] thread [%S]] " L##aMsg )

    #ifdef TRACE_INTO_FILE

        #define CLIENT_TRACE_2( aMsg, aP1, aP2 )\

            {\

            RFileLogger::WriteFormat( DriveAndPath( KTraceFile ), NameAndExt( KTraceFile ),\

                EFileLoggingModeAppend, _PREFIX_CLIENT(aMsg), aP1, aP2 );\

            }

    #else//TRACE_INTO_FILE not defined

        #define CLIENT_TRACE_2( aMsg, aP1, aP2 )\

            {\

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

            }

    #endif//TRACE_INTO_FILE

    /**

    * Traces current secure id and thread

    */

    #define CURRENT_CLIENT( aMsg )\

        {\

        TName name( RThread().Name() );\

        TSecureId sid( RThread().SecureId() );\

        CLIENT_TRACE_2( aMsg, sid.iId, &name );\

        }

    /**

    * Traces secure id and thread from RMessage2

    */

    #define CLIENT( aRMessage2 )\

        {\

        RThread thread;\

        TInt err = aRMessage2.Client( thread );\

        if( err == KErrNone )\

            {\

            TName name( thread.Name() );\

            TSecureId sid( thread.SecureId() );\

            CLIENT_TRACE_2( "", sid.iId, &name );\

            }\

        thread.Close();\

        }

    /**

    * Traces secure id and thread from RMessage2

    */

    #define CLIENT_1( aRMessage2, aMsg )\

        {\

        RThread thread;\

        TInt err = aRMessage2.Client( thread );\

        if( err == KErrNone )\

            {\

            TName name( thread.Name() );\

            TSecureId sid( thread.SecureId() );\

            CLIENT_TRACE_2( aMsg, sid.iId, &name );\

            }\

        thread.Close();\

        }

#else

    #define CURRENT_CLIENT( aMsg )

    #define CLIENT( aRMessage2 )

    #define CLIENT_1( aRMessage2, aMsg )

#endif

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

// Trace current heap usage

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

//

#ifdef HEAP_TRACE

    #define _PREFIX_HEAP( aMsg ) _PREFIX_TRACE( "[HEAP: %d bytes] " L##aMsg )

    #ifdef TRACE_INTO_FILE

        #define HEAP( aMsg )\

            {\

            TInt totalAllocSpace = 0;\

            User::AllocSize( totalAllocSpace );\

            RFileLogger::WriteFormat( DriveAndPath( KTraceFile ), NameAndExt( KTraceFile ),\

                EFileLoggingModeAppend, _PREFIX_HEAP( aMsg ), totalAllocSpace );\

            }

        #define HEAP_1( aMsg, aP1 )\

            {\

            TInt totalAllocSpace = 0;\

            User::AllocSize( totalAllocSpace );\

            RFileLogger::WriteFormat( DriveAndPath( KTraceFile ), NameAndExt( KTraceFile ),\

                EFileLoggingModeAppend, _PREFIX_HEAP( aMsg ), totalAllocSpace, aP1 );\

            }

        #define HEAP_2( aMsg, aP1, aP2 )\

            {\

            TInt totalAllocSpace = 0;\

            User::AllocSize( totalAllocSpace );\

            RFileLogger::WriteFormat( DriveAndPath( KTraceFile ), NameAndExt( KTraceFile ),\

                EFileLoggingModeAppend, _PREFIX_HEAP( aMsg ), totalAllocSpace, aP1, aP2 );\

            }

        #define HEAP_3( aMsg, aP1, aP2, aP3 )\

            {\

            TInt totalAllocSpace = 0;\

            User::AllocSize( totalAllocSpace );\

            RFileLogger::WriteFormat( DriveAndPath( KTraceFile ), NameAndExt( KTraceFile ),\

                EFileLoggingModeAppend, _PREFIX_HEAP( aMsg ), totalAllocSpace, aP1, aP2, aP3 );\

            }

        #define HEAP_4( aMsg, aP1, aP2, aP3, aP4 )\

            {\

            TInt totalAllocSpace = 0;\

            User::AllocSize( totalAllocSpace );\

            RFileLogger::WriteFormat( DriveAndPath( KTraceFile ), NameAndExt( KTraceFile ),\

                EFileLoggingModeAppend, _PREFIX_HEAP( aMsg ), totalAllocSpace, aP1, aP2, aP3, aP4 );\

            }

    #else//TRACE_INTO_FILE not defined

        #define HEAP( aMsg )\

            {\

            TInt totalAllocSpace = 0;\

            User::AllocSize( totalAllocSpace );\

            RDebug::Print( _PREFIX_HEAP( aMsg ), totalAllocSpace );\

            }

        #define HEAP_1( aMsg, aP1 )\

            {\

            TInt totalAllocSpace = 0;\

            User::AllocSize( totalAllocSpace );\

            RDebug::Print( _PREFIX_HEAP( aMsg ), totalAllocSpace, aP1 );\

            }

        #define HEAP_2( aMsg, aP1, aP2 )\

            {\

            TInt totalAllocSpace = 0;\

            User::AllocSize( totalAllocSpace );\

            RDebug::Print( _PREFIX_HEAP( aMsg ), totalAllocSpace, aP1, aP2 );\

            }

        #define HEAP_3( aMsg, aP1, aP2, aP3 )\

            {\

            TInt totalAllocSpace = 0;\

            User::AllocSize( totalAllocSpace );\

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

            }

        #define HEAP_4( aMsg, aP1, aP2, aP3, aP4 )\

            {\

            TInt totalAllocSpace = 0;\

            User::AllocSize( totalAllocSpace );\

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

            }

    #endif//TRACE_INTO_FILE

#else//HEAP_TRACE not defined

    #define HEAP( aMsg )

    #define HEAP_1( aMsg, aP1 )

    #define HEAP_2( aMsg, aP1, aP2 )

    #define HEAP_3( aMsg, aP1, aP2, aP3 )

    #define HEAP_4( aMsg, aP1, aP2, aP3, aP4 )

#endif//HEAP_TRACE

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

// Function trace macros

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

//

#ifdef FUNC_TRACE

    #include <e32base.h> // TCleanupItem

    /**

    * Function logging definitions.