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Daemon.hh

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// $Id: Daemon.hh 1756 2011-01-06 10:10:07Z tho $
//
// Copyright (C) 2007
// Fraunhofer (FOKUS)
// Competence Center NETwork research (NET), St. Augustin, GERMANY
//     Stefan Bund <g0dil@berlios.de>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the
// Free Software Foundation, Inc.,
// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

#ifndef HH_SENF_Utils_Daemon_Daemon_
#define HH_SENF_Utils_Daemon_Daemon_ 1

// Custom includes
#include <senf/Utils/Logger/SenfLog.hh>

//#include "Daemon.mpp"
//-/////////////////////////////////////////////////////////////////////////////////////////////////

namespace senf {

    class Daemon : boost::noncopyable
    {
    public:
        SENF_LOG_CLASS_AREA();

        //-/////////////////////////////////////////////////////////////////////////
        // Types

        enum StdStream {
            StdOut  
        ,   StdErr  
        ,   Both    
        };

        //-/////////////////////////////////////////////////////////////////////////
        //\{

        virtual ~Daemon();

        //\}
        //\{

        void daemonize(bool);           
        bool daemon();                  

        void consoleLog(std::string const &, StdStream which = Both);

        void pidFile(std::string const &); 

        //\}
        //\{

        void detach();                  

        int argc();                     
        char const ** argv();           
        void removeDaemonArgs();        

        static void exit(unsigned code=0); 

        void logReopen();               

        //\}

        int start(int argc, char const ** argv); 

        static Daemon & instance();     

    protected:
        Daemon();

        virtual void configure();       

#   ifdef DOXYGEN
    protected:
#   else
    private:
#   endif

        virtual void main();            

        virtual void init();            

        virtual void run();             

    private:
        void openLog();
        void fork();
        bool pidfileCreate();
        void installSighandlers();

        int argc_;
        char const ** argv_;

        bool daemonize_;
        std::string stdoutLog_;
        std::string stderrLog_;
        int stdout_;
        int stderr_;
        std::string pidfile_;
        bool pidfileCreated_;

        bool detached_;

        static Daemon * instance_;
    };

#   define SENF_DAEMON_MAIN(klass)                                                                \
        int main(int argc, char const ** argv)                                                    \
        {                                                                                         \
            klass instance;                                                                       \
            return instance.start(argc, argv);                                                    \
        }

}

//-/////////////////////////////////////////////////////////////////////////////////////////////////
#include "Daemon.cci"
//#include "Daemon.ct"
//#include "Daemon.cti"
#endif


// Local Variables:
// mode: c++
// fill-column: 100
// comment-column: 40
// c-file-style: "senf"
// indent-tabs-mode: nil
// ispell-local-dictionary: "american"
// compile-command: "scons -u test"
// End:

---

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