qtinternetradio/irqlogger/src/irqlogger.cpp
changeset 0 09774dfdd46b
child 2 2e1adbfc62af
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-1:000000000000 0:09774dfdd46b
       
     1 /*
       
     2 * Copyright (c) 2009 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:
       
    15 *
       
    16 */
       
    17 
       
    18 #include <QFile>
       
    19 #include <QTextStream>
       
    20 #include <QDateTime>
       
    21 #include "irqlogger.h"
       
    22 
       
    23 // ============================================================================
       
    24 // SymbianLogger Defenition
       
    25 // ============================================================================
       
    26 #if defined LOGGING_ENABLED && defined COMBINE_WITH_ENGINE_LOGGER
       
    27 
       
    28 #include "irdebug.h"
       
    29 
       
    30 void SymbianLogger::writeLog( const QString& aMsg )
       
    31 {
       
    32     TPtrC tmpDesc(reinterpret_cast<const TUint16*>(aMsg.utf16()), aMsg.length());
       
    33     IRLOG_DEBUG_DESC( tmpDesc );
       
    34 }
       
    35 
       
    36 #else // LOGGING_ENABLED && COMBINE_WITH_ENGINE_LOGGER
       
    37 
       
    38 void SymbianLogger::writeLog( const QString& aMsg )
       
    39 {
       
    40     Q_UNUSED(aMsg);
       
    41 }
       
    42 
       
    43 #endif // LOGGING_ENABLED && COMBINE_WITH_ENGINE_LOGGER
       
    44 
       
    45 // ============================================================================
       
    46 // MethodLogger Defenition
       
    47 // ============================================================================
       
    48 #ifdef LOGGING_ENABLED
       
    49 
       
    50 const char* KLogEnter = "--> %s";
       
    51 const char* KLogExit = "<-- %s";
       
    52 const char* KLogExitRet = "<-- %s, Returning %s";
       
    53 const char* KLogExitException = "<-- %s, Exception raised";
       
    54 
       
    55 MethodLogger::MethodLogger( const char* aFunction ) :
       
    56     iFunction( aFunction )
       
    57 {
       
    58     QString msg;
       
    59     msg.sprintf( KLogEnter, iFunction );
       
    60     WRITELOG( msg );
       
    61 }
       
    62 
       
    63 MethodLogger::~MethodLogger()
       
    64 {
       
    65     QString msg;
       
    66     if ( std::uncaught_exception() )
       
    67     {
       
    68         msg.sprintf( KLogExitException, iFunction );
       
    69         WRITELOG( msg );
       
    70     }
       
    71     else
       
    72     {
       
    73         msg.sprintf( KLogExit, iFunction );
       
    74         WRITELOG( msg );
       
    75     }
       
    76 }
       
    77 
       
    78 #else // LOGGING_ENABLED
       
    79 
       
    80 MethodLogger::MethodLogger( const char* aFunction ) :
       
    81     iFunction( aFunction )
       
    82 {
       
    83 }
       
    84 
       
    85 MethodLogger::~MethodLogger()
       
    86 {
       
    87 }
       
    88 
       
    89 #endif // LOGGING_ENABLED
       
    90 
       
    91 
       
    92 // ============================================================================
       
    93 // FileLogger Defenition
       
    94 // ============================================================================
       
    95 QFile gDebugFile;
       
    96 bool  gFilterByLogMarker = false;
       
    97 
       
    98 #if defined LOGGING_ENABLED && defined TRACE_TO_FILE && !defined COMBINE_WITH_ENGINE_LOGGER
       
    99 
       
   100 FileLogger::FileLogger(const QString& aFileName, bool aFilterByMarker)
       
   101 {
       
   102     installMessageHandler( aFileName, aFilterByMarker );
       
   103 }
       
   104 
       
   105 FileLogger::~FileLogger()
       
   106 {
       
   107     uninstallMessageHandler();
       
   108 }
       
   109 
       
   110 #else // LOGGING_ENABLED && TRACE_TO_FILE && !COMBINE_WITH_ENGINE_LOGGER
       
   111 
       
   112 FileLogger::FileLogger(const QString& aFileName, bool aFilterByMarker)
       
   113 {
       
   114     Q_UNUSED(aFileName);
       
   115     Q_UNUSED(aFilterByMarker);
       
   116 }
       
   117 
       
   118 FileLogger::~FileLogger()
       
   119 {
       
   120 }
       
   121 
       
   122 #endif // LOGGING_ENABLED && TRACE_TO_FILE && !COMBINE_WITH_ENGINE_LOGGER
       
   123 
       
   124 void FileLogger::installMessageHandler( const QString& aFileName, bool aFilterByMarker )
       
   125 {
       
   126     gDebugFile.setFileName( aFileName );
       
   127     gFilterByLogMarker = aFilterByMarker;
       
   128     
       
   129     gDebugFile.open( QIODevice::Text | QIODevice::WriteOnly );
       
   130 
       
   131     if ( gDebugFile.isOpen() )
       
   132     {
       
   133         qInstallMsgHandler( FileLogger::handleMessage );
       
   134     }
       
   135 }
       
   136 
       
   137 void FileLogger::uninstallMessageHandler()
       
   138 {
       
   139     if ( gDebugFile.isOpen() )
       
   140     {
       
   141         qInstallMsgHandler( 0 );
       
   142         gDebugFile.close();
       
   143     }
       
   144 }
       
   145 
       
   146 void FileLogger::handleMessage( QtMsgType aType, const char* aMsg )
       
   147 {
       
   148     if ( aType == QtDebugMsg )
       
   149     {
       
   150         QString message( aMsg );
       
   151         if ( gFilterByLogMarker && message.contains( QString( KLogMarker ) ) )
       
   152         {
       
   153             QTextStream debugStream( &gDebugFile );
       
   154             QDateTime dateTime( QDateTime::currentDateTime() );            
       
   155             debugStream<<dateTime.toString("yyyy-MM-dd hh:mm:ss.zzz")<<" : "<<message<<endl;
       
   156         }
       
   157     }
       
   158 }
       
   159 // ============================================================================
       
   160 // SIGNAL/SLOT CONNECTION CHECKER
       
   161 // ============================================================================
       
   162 bool connectAndTest( const QObject* aSender, const char* aSignal,
       
   163                             const QObject* aReceiver, const char* aMember,
       
   164                             Qt::ConnectionType aType )
       
   165 {
       
   166     bool connected = QObject::connect( aSender, aSignal, aReceiver, aMember, aType );
       
   167     if ( !connected )
       
   168     {
       
   169         LOG( "Failed to make a signal-slot connection!" );
       
   170         LOG_FORMAT( "sender: %s", aSender->metaObject()->className() );
       
   171         LOG_FORMAT( "signal: %s", aSignal );
       
   172         LOG_FORMAT( "receiver: %s", aReceiver->metaObject()->className() );
       
   173         LOG_FORMAT( "slot: %s", aMember );
       
   174     }
       
   175     return connected;
       
   176 }
       
   177 
       
   178 bool connectAndAssert( const QObject* aSender, const char* aSignal,
       
   179                             const QObject* aReceiver, const char* aMember,
       
   180                             Qt::ConnectionType aType )
       
   181 {
       
   182     bool connected = connectAndTest( aSender, aSignal, aReceiver, aMember, aType );
       
   183     Q_ASSERT( connected );
       
   184     return connected;
       
   185 }
       
   186