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filedescriptor.h

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00001 /***************************************************************************
00002  *   Copyright (C) 2001 by Rick L. Vinyard, Jr.                            *
00003  *   rvinyard@cs.nmsu.edu                                                  *
00004  *                                                                         *
00005  *   This file is part of the conexus library.                             *
00006  *                                                                         *
00007  *   The conexus library is free software; you can redistribute it and/or  *
00008  *   modify it under the terms of the GNU General Public License           *
00009  *   version 3 as published by the Free Software Foundation.               *
00010  *                                                                         *
00011  *   The conexus library is distributed in the hope that it will be        *
00012  *   useful, but WITHOUT ANY WARRANTY; without even the implied warranty   *
00013  *   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU   *
00014  *   General Public License for more details.                              *
00015  *                                                                         *
00016  *   You should have received a copy of the GNU General Public License     *
00017  *   along with this software. If not see <http://www.gnu.org/licenses/>.  *
00018  ***************************************************************************/
00019 #ifndef CONEXUSFILEDESCRIPTOR_H
00020 #define CONEXUSFILEDESCRIPTOR_H
00021 
00022 #include <conexus/endpoint.h>
00023 
00024 namespace Conexus
00025 {
00026 
00037   class FileDescriptor : public Endpoint
00038   {
00039     protected:
00040 
00041       FileDescriptor( int fd = -1, bool close_on_destruct = true );
00042 
00043     public:
00044 
00045       typedef ConexusPointer<FileDescriptor> pointer;
00046 
00047       virtual ~FileDescriptor();
00048 
00050       virtual int fd() throw ();
00051 
00057       virtual void close( bool force = false ) throw ( close_exception );
00058 
00059       bool is_blocking();
00060 
00061       bool set_blocking( bool block=true );
00062 
00063     protected:
00064       int m_fd;
00065 
00066       virtual size_t write_data( const Data data, Timeout to ) throw ( write_exception );
00067 
00068       virtual Data read_data( size_t s, Timeout to ) throw ( read_exception );
00069 
00070   };
00071 
00072 }
00073 
00074 #endif

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