1 /*

     2 * Copyright (c) 2007 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:   Implementation of nsmldmvccadapter

    15 *

    16 */

    17 

    18 

    19 

    20 #include "rubydebug.h"

    21 

    22 #ifdef __RUBY_DEBUG_TRACES_TO_FILE

    23 #include <f32file.h>

    24 #endif

    25 

    26 // EXTERNAL DATA STRUCTURES

    27 

    28 // EXTERNAL FUNCTION PROTOTYPES  

    29 

    30 // CONSTANTS

    31 #ifdef __RUBY_DEBUG_TRACES_TO_FILE

    32 #ifdef _DEBUG // UDEB version:

    33 _LIT( KSpace, " " );

    34 _LIT( KColon, ":" );

    35 _LIT( KFormat, "%02d" );

    36 _LIT( KFormat2, "%06d" );

    37 #endif

    38 #endif

    39 

    40 

    41 // MACROS

    42 

    43 // LOCAL CONSTANTS AND MACROS

    44 

    45 // MODULE DATA STRUCTURES

    46 

    47 // LOCAL FUNCTION PROTOTYPES

    48 

    49 // FORWARD DECLARATIONS

    50 

    51 // ============================= LOCAL FUNCTIONS ===============================

    52 

    53 // ============================ MEMBER FUNCTIONS ===============================

    54 

    55 // -----------------------------------------------------------------------------

    56 // RRubyDebug::PrintToFile

    57 // Method for writing traces to a file.

    58 // -----------------------------------------------------------------------------

    59 //

    60 #ifdef __RUBY_DEBUG_TRACES_TO_FILE

    61 

    62 #ifdef _DEBUG // UDEB version:

    63 void RRubyDebug::PrintToFile( TRefByValue<const TDesC> aFmt, ... )

    64     {

    65     _LIT( KRubyLogFileName, "c:\\Data\\Logs\\RubyTrace_vccdmplugin.txt" );

    66 

    67     const TInt KRubyDebugMaxLineLength = 0x84; // rest will be truncated

    68 

    69     const TInt KRubyDebugOpenFileRetries = 100;

    70     const TInt KRubyDebugOpenFileInterval = 1000;

    71 

    72     const TUint16 KRubyDebugLineSep1 = 0x0d;

    73     const TUint16 KRubyDebugLineSep2 = 0x0a;

    74 

    75     // Handle variable argument list

    76     VA_LIST list;

    77   VA_START( list, aFmt );

    78   TBuf<KRubyDebugMaxLineLength+2> aBuf;

    79     TTruncateOverflow overflow;

    80     

    81     // Append the time...

    82     TTime currentTime;

    83     currentTime.HomeTime();

    84     TDateTime dateTime = currentTime.DateTime();

    85 

    86     aBuf.AppendFormat( KFormat, dateTime.Hour() );

    87     aBuf.Append( KColon );

    88 

    89     aBuf.AppendFormat( KFormat, dateTime.Minute() );

    90     aBuf.Append( KColon );

    91 

    92     aBuf.AppendFormat( KFormat, dateTime.Second() );

    93     aBuf.Append( KColon );

    94 

    95     aBuf.AppendFormat( KFormat2, dateTime.MicroSecond() );

    96     aBuf.Append( KSpace );

    97     // time done

    98     

    99   aBuf.AppendFormatList( aFmt, list, &overflow );

   100   if( aBuf.Length() > ( KRubyDebugMaxLineLength - 2 ) )

   101     {

   102     aBuf.Delete(aBuf.Length() - 2, 2);

   103     }

   104   

   105     // Add linefeed characters

   106     aBuf.Append( KRubyDebugLineSep1 );

   107     aBuf.Append( KRubyDebugLineSep2 );

   108 

   109     RFs fs;

   110     if ( fs.Connect() == KErrNone )

   111         {

   112         RFile file;

   113 

   114         // Open file in an exclusive mode so that only one thread 

   115         // can acess it simultaneously

   116         TUint fileMode = EFileWrite | EFileShareExclusive;

   117 

   118         TInt err = file.Open( fs, KRubyLogFileName, fileMode );

   119 

   120         // Create a file if it doesn't exist

   121         if ( err == KErrNotFound )

   122             {

   123             err = file.Create( fs, KRubyLogFileName, fileMode );

   124             }

   125         else

   126             {

   127             // Error in opening the file

   128             TInt retryCount = KRubyDebugOpenFileRetries;

   129             while ( err == KErrInUse && retryCount-- )

   130                 {

   131                 // Some other tread is accessing the file, wait a while...

   132                 User::After( KRubyDebugOpenFileInterval );

   133                 err = file.Open( fs, KRubyLogFileName, fileMode );

   134                 }

   135             }

   136 

   137         // Check if we have access to a file

   138         if ( err == KErrNone )

   139             {

   140             TInt offset = 0;

   141             if ( file.Seek( ESeekEnd, offset ) == KErrNone )

   142                 {

   143                 // Append text to the end of file

   144                 TPtr8 ptr8( (TUint8*)aBuf.Ptr(), aBuf.Size(), aBuf.Size() );

   145                 file.Write( ptr8 );

   146                 }

   147             file.Close();

   148             }

   149 

   150         fs.Close();

   151         }

   152     }

   153 

   154 #else // UREL version:

   155 void RRubyDebug::PrintToFile( TRefByValue<const TDesC> /*aFmt*/, ... )

   156     {

   157     }

   158 #endif

   159 

   160 #endif // __RUBY_DEBUG_TRACES_TO_FILE

   161 

   162 // ========================== OTHER EXPORTED FUNCTIONS =========================

   163 

   164 //  End of File