1 /*

     2 * Copyright (c) 2008 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 the License "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:  Gesture helper implementation

    15 *

    16 */

    17 #include "filelogger.h"

    18 

    19 #include <bautils.h>

    20 #include <pathinfo.h>

    21 

    22 _LIT(KLogFolder, "logs\\");

    23 _LIT(KLogFileExt, ".log");

    24 _LIT8(KLineEnd, "\r\n");

    25 

    26 const TInt KTimeRecordSize = 25;

    27 

    28 _LIT8(KTimeFormat,"%04d-%02d-%02d %02d:%02d:%02d.%03d ");

    29 _LIT8(KLogStart, "--== New %S log ==--\r\n");

    30 

    31 CFileLogger::CFileLogger()

    32 {

    33 }

    34 

    35 TBool CFileLogger::Construct()

    36 {

    37     TInt err = iFs.Connect();

    38     if (!err)

    39     {

    40         TFileName logFileName;

    41         err = !GetLogFileNameWithoutExt(logFileName);

    42         if(!err)

    43         {

    44             logFileName.Append(KLogFileExt);

    45             err = iFile.Create(iFs, logFileName, EFileShareAny | EFileWrite);

    46             if(!err)

    47             {

    48                 TInt pos(0);

    49                 iFile.Seek(ESeekEnd, pos);

    50                 TBuf8<KMaxFullName> appName;

    51                 appName.Copy(BaflUtils::ExtractAppNameFromFullName(RThread().FullName()));

    52                 iLogBuffer.AppendFormat(KLogStart, &appName);

    53                 err = iFile.Write(iLogBuffer);

    54             }

    55         }

    56     }

    57     return (!err);

    58 }

    59 

    60 CFileLogger* CFileLogger::Logger()

    61 {

    62     CFileLogger* logger = (CFileLogger*)Dll::Tls();

    63     if (!logger)

    64     {

    65         logger = new CFileLogger;

    66         if (logger)

    67         {

    68             if (logger->Construct())

    69             {

    70                 Dll::SetTls(logger);

    71             }

    72             else

    73             {

    74                 delete logger;

    75                 logger = NULL;

    76             }

    77         }

    78     }

    79     return logger;

    80 }

    81 

    82 void CFileLogger::Close()

    83 {

    84     delete (CFileLogger*)Dll::Tls();

    85     Dll::FreeTls();

    86 }

    87 

    88 CFileLogger::~CFileLogger()

    89 {

    90     iFile.Close();

    91     iFs.Close();

    92 }

    93 

    94 TBool CFileLogger::GetLogFileNameWithoutExt(TDes& aFileName)

    95 {

    96     TFileName path = PathInfo::MemoryCardRootPath() ;

    97     path.Append(PathInfo::OthersPath()) ;   // Put the log in the "Others" directory

    98     aFileName.Append(path);

    99     aFileName.Append(KLogFolder);

   100     TBool res = BaflUtils::FolderExists(iFs, aFileName);

   101     if (!res)

   102     {

   103         aFileName.Zero();

   104         aFileName.Append(path) ; // put it then directly to Others folder

   105         res = ETrue ;

   106     }

   107     TPtrC fileName(BaflUtils::ExtractAppNameFromFullName(RThread().FullName()));

   108     aFileName.Append(fileName);

   109     TTime time;

   110     time.HomeTime();

   111     TDateTime dateTime;

   112     dateTime = time.DateTime();

   113     // add timestamp to the name (then one has to clear them manually)

   114     aFileName.AppendNum(dateTime.Month()+1) ;

   115     aFileName.AppendNum(dateTime.Day()+1) ;

   116     aFileName.AppendNum(dateTime.Hour()) ;

   117     aFileName.AppendNum(dateTime.Minute()) ;

   118     aFileName.AppendNum(dateTime.Second()) ;

   119     return res;

   120 }

   121 

   122 void CFileLogger::Write(const TDesC8& aText)

   123 {

   124     CFileLogger* logger = Logger();

   125     if(logger)

   126     {

   127         logger->iLogBuffer.Copy(aText);

   128         logger->DoWrite();

   129     }

   130 }

   131 

   132 void CFileLogger::Write(const TDesC16& aText)

   133 {

   134     CFileLogger* logger = Logger();

   135     if(logger)

   136     {

   137         logger->iLogBuffer.Copy(aText);

   138         logger->DoWrite();

   139     }

   140 }

   141 

   142 void CFileLogger::Write(TRefByValue<const TDesC8> aFmt,...)

   143 {

   144     CFileLogger* logger = Logger();

   145     if (logger)

   146     {

   147         VA_LIST list;

   148         VA_START(list, aFmt);

   149         logger->iLogBuffer.FormatList(aFmt, list);

   150         logger->DoWrite();

   151         VA_END(list);

   152     }

   153 }

   154 

   155 void CFileLogger::DoWrite()

   156 {

   157     if(iFile.SubSessionHandle())

   158     {

   159         TTime time;

   160         time.HomeTime();

   161         TDateTime dateTime;

   162         dateTime = time.DateTime();

   163         TBuf8<KTimeRecordSize> timeRecord;

   164         timeRecord.Format(KTimeFormat, dateTime.Year(), dateTime.Month()+1, dateTime.Day()+1, 

   165                           dateTime.Hour(), dateTime.Minute(), dateTime.Second(), 

   166                           dateTime.MicroSecond()/1000);

   167         iLogBuffer.Insert(0, timeRecord);

   168         iLogBuffer.Append(KLineEnd);

   169         iFile.Write(iLogBuffer);

   170     }

   171 }

   172 void CFileLogger::DoFlush()

   173 {

   174     if(iFile.SubSessionHandle())

   175     {

   176         iFile.Flush();

   177     }

   178 

   179 }

   180 void CFileLogger::Flush()

   181 {

   182     CFileLogger* logger = Logger();

   183     if (logger)

   184     {

   185         logger->DoFlush() ;

   186     }

   187 }