usbengines/usblocodplugin/inc/debug.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 06 Jul 2010 15:24:15 +0300
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permissions -rw-r--r--
Revision: 201025 Kit: 2010127
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/*
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Debug macros and declarations. 
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*
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*/
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#ifndef DEBUG_H
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#define DEBUG_H
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//////////////////////////////////////////////////////////////////////////////
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// Here are parameters need to be modified. 
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// Component name 
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#define MODULE_NAME "USBLcdPlugin"
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//////////////////////////////////////////////////////////////////////////////
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// For handling unicode strings as L##MACRO is interpreted as LMACRO
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#define WIDEN2( x ) L##x
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#define WIDEN( x ) WIDEN2( x )
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_LIT( KUsbPanicModule, ""WIDEN( MODULE_NAME ) );
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#ifdef _DEBUG
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// Comment this line out if using real-time debugging
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//#define LOG_TO_FILE 
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// ===========================================================================
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#if defined ( LOG_TO_FILE )
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// ===========================================================================
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// Add corresponding libabry in mmp file
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// LIBRARY    flogger.lib    
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// The log file is located at  
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// c:\logs\usb\MODULE_NAME.txt
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#include <flogger.h>
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#define DESC( x ) TPtrC( ( const TText* ) ( x ) )
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#define DESC8( x ) TPtrC8( ( const TUint8* ) ( x ) )
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_LIT( KUsbLogDir, "USB" );
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_LIT( KUsbLogFile, ""WIDEN(MODULE_NAME)L".txt" );
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// s: c string. 
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#define LOG(s) RFileLogger::WriteFormat( KUsbLogDir, \
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                KUsbLogFile, EFileLoggingModeAppend, \
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                DESC8( "["MODULE_NAME"] "##s ) )
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// s: c string contains "%x"
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// v: varaible corresponding to %x
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#define LOG1(s, v) RFileLogger::WriteFormat( KUsbLogDir, \
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                KUsbLogFile, EFileLoggingModeAppend, \
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                DESC8( "["MODULE_NAME"] "##s ), v)
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// s: c string contains "%x%y"
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// v1: varaible corresponding to %x
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// v2: varaible corresponding to %y
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#define LOG2(s, v1, v2) RFileLogger::WriteFormat( KUsbLogDir, \
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                KUsbLogFile, EFileLoggingModeAppend, \
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                DESC8( "["MODULE_NAME"] "##s ), v1, v2)
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// s: c string contains "%x%y%z"
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// v1: varaible corresponding to %x
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// v2: varaible corresponding to %y
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// v3: varaible corresponding to %z
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#define LOG3(s, v1, v2, v3) RFileLogger::WriteFormat( KUsbLogDir, \
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            KUsbLogFile, EFileLoggingModeAppend, \
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            DESC8( "["MODULE_NAME"] "##s ), v1, v2, v3 )
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class TFuncLogger
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    {
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public:
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    TFuncLogger(const TDesC8& aFuncName)
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        {
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        iFuncName.Set( aFuncName );
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        RFileLogger::WriteFormat( KUsbLogDir, KUsbLogFile, EFileLoggingModeAppend, 
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                DESC8( "["MODULE_NAME"] >>%s" ), iFuncName.Ptr() );
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        }
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    ~TFuncLogger()
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        {
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        RFileLogger::WriteFormat( KUsbLogDir, KUsbLogFile, 
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                EFileLoggingModeAppend, 
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                DESC8( "["MODULE_NAME"] <<%s" ), iFuncName.Ptr() );
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        }
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private:
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    TPtrC8 iFuncName;
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    };
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// ===========================================================================
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#else //LOG_TO_FILE not defined
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// ===========================================================================
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#include <e32debug.h>
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// Paramters same as above.
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#define LOG( str ) { RDebug::Printf( "["MODULE_NAME"] %s", str  ); }
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#define LOG1( s, v ) { RDebug::Printf( "["MODULE_NAME"] "##s , v ); }
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#define LOG2( s, v1,v2 ) { RDebug::Printf( "["MODULE_NAME"] "##s , v1, v2 ); }
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#define LOG3( s, v1, v2, v3 ) { RDebug::Printf( "["MODULE_NAME"] "##s , \
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        v1, v2, v3); }
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inline void LogBuf(const TDesC8& aBuf8)
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    {
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    LOG1("Buffer length = %d Buffer content:", aBuf8.Length());
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    TInt len(aBuf8.Length());
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    for (TInt i(0); i < len; ++i)
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        RDebug::Print(_L("Buffer[%d] = 0x%x"), i, aBuf8[i]);
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    }
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class TFuncLogger
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    {
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public:
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    TFuncLogger(const TPtrC8& aFuncName) : iFuncName( aFuncName )
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        {
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        RDebug::Printf( "["MODULE_NAME"] >>%s", iFuncName.Ptr());
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        }
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    ~TFuncLogger()
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        {
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        RDebug::Printf( "["MODULE_NAME"] <<%s", iFuncName.Ptr());
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        }
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private:
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    TPtrC8 iFuncName;
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    };
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#endif // LOG_TO_FILE
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#define LEAVE( exp )  {volatile TInt err_ = exp; \
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        LOG3( "LEAVE(%d) @file: %s, line: %d", err_, __FILE__, __LINE__ );\
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        User::Leave( err_ );}
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#define LEAVEIFERROR( exp ) {volatile TInt err__ = exp; \
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        if(err__ < 0) LEAVE(err__);}
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#define PANIC( exp ) {volatile TInt err_ = exp; \
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        LOG3( "PANIC(%d) @file: %s, line: %d", err_, __FILE__, __LINE__ );\
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        User::Panic( KUsbPanicModule, err_ );} 
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#define LOG_FUNC TFuncLogger __instrument(TPtrC8((TUint8*)__PRETTY_FUNCTION__));
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#define ASSERT_DEBUG( exp, code ) {if(!(exp)) PANIC(code)}
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#else // _DEBUG not defined 
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// ===========================================================================
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#define LOG( s )
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#define LOG1( s, v ) 
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#define LOG2( s, v1, v2 )
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#define LOG3( s, v1, v2, v3 )
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#define LOG_FUNC_ENTRY 
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#define LOG_FUNC_EXIT 
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#define LEAVE( exp ) User::Leave( exp );
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#define LEAVEIFERROR( exp ) User::LeaveIfError( exp );
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#define PANIC( err ) // in non-debug builds PANICs are silent
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#define LOG_FUNC
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#define ASSERT_DEBUG( exp, code )
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inline void LogBuf(const TDesC8& /*aBuf8*/)
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    {}
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// ===========================================================================
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#endif // _DEBUG
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// ===========================================================================
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#endif // DEBUG_H
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// End of File