callcontinuity/vcc/src/rubydebug.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 11 May 2010 16:04:22 +0300
branchRCL_3
changeset 14 be41ab7b952f
parent 0 a4daefaec16c
permissions -rw-r--r--
Revision: 201017 Kit: 201019
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/*
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* Copyright (c) 2002-2004 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:   Debugging utilities implementation.
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*
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*/
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// INCLUDE FILES
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#include "rubydebug.h"
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#ifdef __RUBY_DEBUG_TRACES_TO_FILE
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#include <f32file.h>
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#endif
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// EXTERNAL DATA STRUCTURES
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// EXTERNAL FUNCTION PROTOTYPES  
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// CONSTANTS
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#ifdef __RUBY_DEBUG_TRACES_TO_FILE
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#ifdef _DEBUG // UDEB version:
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_LIT( KSpace, " " );
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_LIT( KColon, ":" );
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_LIT( KFormat, "%02d" );
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_LIT( KFormat2, "%06d" );
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#endif
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#endif
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// MACROS
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// LOCAL CONSTANTS AND MACROS
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// MODULE DATA STRUCTURES
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// LOCAL FUNCTION PROTOTYPES
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// FORWARD DECLARATIONS
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// ============================= LOCAL FUNCTIONS ===============================
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// RRubyDebug::PrintToFile
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// Method for writing traces to a file.
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// -----------------------------------------------------------------------------
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//
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#ifdef __RUBY_DEBUG_TRACES_TO_FILE
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#ifdef _DEBUG // UDEB version:
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void RRubyDebug::PrintToFile( TRefByValue<const TDesC> aFmt, ... )
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    {
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    _LIT( KRubyLogFileName, "c:\\Data\\Logs\\RubyTrace_vcc.txt" );
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    const TInt KRubyDebugMaxLineLength = 0x84; // rest will be truncated
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    const TInt KRubyDebugOpenFileRetries = 100;
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    const TInt KRubyDebugOpenFileInterval = 1000;
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    const TUint16 KRubyDebugLineSep1 = 0x0d;
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    const TUint16 KRubyDebugLineSep2 = 0x0a;
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    // Handle variable argument list
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    VA_LIST list;
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	VA_START( list, aFmt );
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	TBuf<KRubyDebugMaxLineLength+2> aBuf;
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    TTruncateOverflow overflow;
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    // Append the time...
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    TTime currentTime;
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    currentTime.HomeTime();
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    TDateTime dateTime = currentTime.DateTime();
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    aBuf.AppendFormat( KFormat, dateTime.Hour() );
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    aBuf.Append( KColon );
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    aBuf.AppendFormat( KFormat, dateTime.Minute() );
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    aBuf.Append( KColon );
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    aBuf.AppendFormat( KFormat, dateTime.Second() );
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    aBuf.Append( KColon );
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    aBuf.AppendFormat( KFormat2, dateTime.MicroSecond() );
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    aBuf.Append( KSpace );
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    // time done
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	aBuf.AppendFormatList( aFmt, list, &overflow );
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	if( aBuf.Length() > ( KRubyDebugMaxLineLength - 2 ) )
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		{
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		aBuf.Delete(aBuf.Length() - 2, 2);
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		}
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    // Add linefeed characters
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    aBuf.Append( KRubyDebugLineSep1 );
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    aBuf.Append( KRubyDebugLineSep2 );
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    RFs fs;
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    if ( fs.Connect() == KErrNone )
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        {
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        RFile file;
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        // Open file in an exclusive mode so that only one thread 
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        // can acess it simultaneously
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        TUint fileMode = EFileWrite | EFileShareExclusive;
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        TInt err = file.Open( fs, KRubyLogFileName, fileMode );
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        // Create a file if it doesn't exist
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        if ( err == KErrNotFound )
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            {
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            err = file.Create( fs, KRubyLogFileName, fileMode );
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            }
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        else
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            {
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            // Error in opening the file
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            TInt retryCount = KRubyDebugOpenFileRetries;
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            while ( err == KErrInUse && retryCount-- )
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                {
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                // Some other tread is accessing the file, wait a while...
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                User::After( KRubyDebugOpenFileInterval );
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                err = file.Open( fs, KRubyLogFileName, fileMode );
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                }
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            }
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        // Check if we have access to a file
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        if ( err == KErrNone )
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            {
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            TInt offset = 0;
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            if ( file.Seek( ESeekEnd, offset ) == KErrNone )
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                {
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                // Append text to the end of file
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                TPtr8 ptr8( (TUint8*)aBuf.Ptr(), aBuf.Size(), aBuf.Size() );
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                file.Write( ptr8 );
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                }
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            file.Close();
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            }
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        fs.Close();
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        }
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    }
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#else // UREL version:
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void RRubyDebug::PrintToFile( TRefByValue<const TDesC> /*aFmt*/, ... )
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    {
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    }
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#endif
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#endif // __RUBY_DEBUG_TRACES_TO_FILE
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// ========================== OTHER EXPORTED FUNCTIONS =========================
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//  End of File