runtime/nepomuk/server/main.cpp

   1 /* This file is part of the KDE Project
   2    Copyright (c) 2007 Sebastian Trueg <trueg@kde.org>
   3
   4    This library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Library General Public
   6    License version 2 as published by the Free Software Foundation.
   7
   8    This library is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11    Library General Public License for more details.
  12
  13    You should have received a copy of the GNU Library General Public License
  14    along with this library; see the file COPYING.LIB.  If not, write to
  15    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  16    Boston, MA 02110-1301, USA.
  17 */
  18
  19 #include "nepomukserver.h"
  20 #include "nepomukserver_export.h"
  21
  22 #include <kuniqueapplication.h>
  23 #include <kapplication.h>
  24 #include <kcmdlineargs.h>
  25 #include <kaboutdata.h>
  26 #include <klocale.h>
  27 #include <kglobal.h>
  28 #include <kconfig.h>
  29 #include <kconfiggroup.h>
  30 #include <kdebug.h>
  31
  32 #include <signal.h>
  33
  34 namespace {
  35 #ifndef Q_OS_WIN
  36     void signalHandler( int signal )
  37     {
  38         switch( signal ) {
  39         case SIGHUP:
  40         case SIGQUIT:
  41         case SIGTERM:
  42         case SIGINT:
  43             if ( qApp ) {
  44                 qApp->quit();
  45             }
  46         }
  47     }
  48 #endif
  49
  50     void installSignalHandler() {
  51 #ifndef Q_OS_WIN
  52         struct sigaction sa;
  53         ::memset( &sa, 0, sizeof( sa ) );
  54         sa.sa_handler = signalHandler;
  55         sigaction( SIGHUP, &sa, 0 );
  56         sigaction( SIGINT, &sa, 0 );
  57         sigaction( SIGQUIT, &sa, 0 );
  58         sigaction( SIGTERM, &sa, 0 );
  59 #endif
  60     }
  61 }
  62
  63
  64 namespace Nepomuk {
  65     class ServerApplication : public KUniqueApplication
  66     {
  67     public:
  68         ServerApplication()
  69             : KUniqueApplication(),
  70               m_server( 0 ) {
  71         }
  72
  73         int newInstance() {
  74             if ( !m_server ) {
  75                 m_server = new Server( this );
  76             }
  77             return 0;
  78         }
  79
  80     private:
  81         Server* m_server;
  82     };
  83 }
  84
  85
  86 extern "C" NEPOMUK_SERVER_EXPORT int kdemain( int argc, char** argv )
  87 {
  88     KAboutData aboutData( "NepomukServer", "nepomuk",
  89                           ki18n("Nepomuk Server"),
  90                           "0.2",
  91                           ki18n("Nepomuk Server - Manages Nepomuk storage and services"),
  92                           KAboutData::License_GPL,
  93                           ki18n("(c) 2008, Sebastian Trüg"),
  94                           KLocalizedString(),
  95                           "http://nepomuk.kde.org" );
  96     aboutData.addAuthor(ki18n("Sebastian Trüg"),ki18n("Maintainer"), "trueg@kde.org");
  97
  98     KCmdLineArgs::init( argc, argv, &aboutData );
  99
 100     KUniqueApplication::addCmdLineOptions();
 101
 102     KComponentData componentData( &aboutData );
 103
 104     if ( !KUniqueApplication::start() ) {
 105         fprintf( stderr, "Nepomuk server already running.\n" );
 106         return 0;
 107     }
 108
 109     installSignalHandler();
 110
 111     Nepomuk::ServerApplication app;
 112     app.setQuitOnLastWindowClosed( false );
 113     return app.exec();
 114 }