callcontinuity/vccutils/src/rubydebug.cpp
changeset 0 a4daefaec16c
equal deleted inserted replaced
-1:000000000000 0:a4daefaec16c
       
     1 /*
       
     2 * Copyright (c) 2002-2004 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:   Debugging utilities implementation.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include "rubydebug.h"
       
    22 
       
    23 #ifdef __RUBY_DEBUG_TRACES_TO_FILE
       
    24 #include <f32file.h>
       
    25 #endif
       
    26 
       
    27 // EXTERNAL DATA STRUCTURES
       
    28 
       
    29 // EXTERNAL FUNCTION PROTOTYPES
       
    30 
       
    31 // CONSTANTS
       
    32 
       
    33 // MACROS
       
    34 
       
    35 // LOCAL CONSTANTS AND MACROS
       
    36 
       
    37 // MODULE DATA STRUCTURES
       
    38 
       
    39 // LOCAL FUNCTION PROTOTYPES
       
    40 
       
    41 // FORWARD DECLARATIONS
       
    42 
       
    43 // ============================= LOCAL FUNCTIONS ===============================
       
    44 
       
    45 // ============================ MEMBER FUNCTIONS ===============================
       
    46 
       
    47 // -----------------------------------------------------------------------------
       
    48 // RRubyDebug::PrintToFile
       
    49 // Method for writing traces to a file.
       
    50 // -----------------------------------------------------------------------------
       
    51 //
       
    52 #ifdef __RUBY_DEBUG_TRACES_TO_FILE
       
    53 
       
    54 #ifdef _DEBUG // UDEB version:
       
    55  void RRubyDebug::PrintToFile( TRefByValue<const TDesC> aFmt, ... )
       
    56     {
       
    57     _LIT( KRubyLogFileName, "c:\\Data\\Logs\\rubytrace_vccutils.txt" );
       
    58 
       
    59     const TInt KRubyDebugMaxLineLength = 0x80; // rest will be truncated
       
    60 
       
    61     const TInt KRubyDebugOpenFileRetries = 100;
       
    62     const TInt KRubyDebugOpenFileInterval = 1000;
       
    63 
       
    64     const TUint16 KRubyDebugLineSep1 = 0x0d;
       
    65     const TUint16 KRubyDebugLineSep2 = 0x0a;
       
    66 
       
    67     // Handle variable argument list
       
    68     VA_LIST list;
       
    69     VA_START( list, aFmt );
       
    70     TBuf<KRubyDebugMaxLineLength+2> aBuf;
       
    71     TTruncateOverflow overflow;
       
    72     aBuf.AppendFormatList( aFmt, list, &overflow );
       
    73     if( aBuf.Length() > ( KRubyDebugMaxLineLength - 2 ) )
       
    74         {
       
    75         aBuf.Delete(aBuf.Length() - 2, 2);
       
    76         }
       
    77 
       
    78     // Add linefeed characters
       
    79     aBuf.Append( KRubyDebugLineSep1 );
       
    80     aBuf.Append( KRubyDebugLineSep2 );
       
    81 
       
    82     RFs fs;
       
    83     if ( fs.Connect() == KErrNone )
       
    84         {
       
    85         RFile file;
       
    86 
       
    87         // Open file in an exclusive mode so that only one thread
       
    88         // can acess it simultaneously
       
    89         TUint fileMode = EFileWrite | EFileShareExclusive;
       
    90 
       
    91         TInt err = file.Open( fs, KRubyLogFileName, fileMode );
       
    92 
       
    93         // Create a file if it doesn't exist
       
    94         if ( err == KErrNotFound )
       
    95             {
       
    96             err = file.Create( fs, KRubyLogFileName, fileMode );
       
    97             }
       
    98         else
       
    99             {
       
   100             // Error in opening the file
       
   101             TInt retryCount = KRubyDebugOpenFileRetries;
       
   102             while ( err == KErrInUse && retryCount-- )
       
   103                 {
       
   104                 // Some other tread is accessing the file, wait a while...
       
   105                 User::After( KRubyDebugOpenFileInterval );
       
   106                 err = file.Open( fs, KRubyLogFileName, fileMode );
       
   107                 }
       
   108             }
       
   109 
       
   110         // Check if we have access to a file
       
   111         if ( err == KErrNone )
       
   112             {
       
   113             TInt offset = 0;
       
   114             if ( file.Seek( ESeekEnd, offset ) == KErrNone )
       
   115                 {
       
   116                 // Append text to the end of file
       
   117                 TPtr8 ptr8( (TUint8*)aBuf.Ptr(), aBuf.Size(), aBuf.Size() );
       
   118                 file.Write( ptr8 );
       
   119                 }
       
   120             file.Close();
       
   121             }
       
   122 
       
   123         fs.Close();
       
   124         }
       
   125     }
       
   126 
       
   127 #else // UREL version:
       
   128  void RRubyDebug::PrintToFile( TRefByValue<const TDesC> /*aFmt*/, ... )
       
   129     {
       
   130     }
       
   131 #endif
       
   132 
       
   133 #endif // __RUBY_DEBUG_TRACES_TO_FILE
       
   134 
       
   135 // ========================== OTHER EXPORTED FUNCTIONS =========================
       
   136 
       
   137 //  End of File