// $Id$
//
// Copyright (C) 2006 
// Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
// Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
//     Stefan Bund <stefan.bund@fokus.fraunhofer.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 IH_FileHandle_
#define IH_FileHandle_ 1

// Custom includes
#include <boost/intrusive_ptr.hpp>
#include "Utils/intrusive_refcount.hh"

///////////////////////////////ih.p////////////////////////////////////////

namespace senf {


    /** \brief
      */
    class FileBody
        : public senf::intrusive_refcount
    {
    public:
        ///////////////////////////////////////////////////////////////////////////
        // Types
        
        typedef boost::intrusive_ptr<FileBody> ptr;

        ///////////////////////////////////////////////////////////////////////////
        ///\name Structors and default members
        ///@{
        
        explicit FileBody(int fd=-1);
        virtual ~FileBody();

        // no copy
        // no conversion constructors

        ///@}
        ///////////////////////////////////////////////////////////////////////////

        int fd() const;
        void fd(int fd);

        void close();
        void terminate();

        bool readable() const;
        void waitReadable() const;
        bool writeable() const;
        void waitWriteable() const;

        bool blocking() const;
        void blocking(bool status);

        bool eof() const;
        bool valid() const;
        
    private:
        ///////////////////////////////////////////////////////////////////////////
        // Virtual interface for subclasses to override

        virtual void v_close();
        virtual void v_terminate();
        virtual bool v_eof() const;
        virtual bool v_valid() const;
        

    protected:
        
    private:
        bool pollCheck(int fd, bool incoming, bool block=false) const;

        int fd_;
    };

}

///////////////////////////////ih.e////////////////////////////////////////
#endif


// Local Variables:
// mode: c++
// c-file-style: "senf"
// End: