conexus/nspr_filedescriptor.h

00001 /***************************************************************************
00002 *   Copyright (C) 2001 by Rick L. Vinyard, Jr.                            *
00003 *   rvinyard@cs.nmsu.edu                                                  *
00004 *                                                                         *
00005 *   This program is free software; you can redistribute it and/or modify  *
00006 *   it under the terms of the GNU Lesser General Public License as        *
00007 *   published by the Free Software Foundation version 2.1.                *
00008 *                                                                         *
00009 *   This program is distributed in the hope that it will be useful,       *
00010 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00011 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
00012 *   GNU General Public License for more details.                          *
00013 *                                                                         *
00014 *   You should have received a copy of the GNU Lesser General Public      *
00015 *   License along with this library; if not, write to the                 *
00016 *   Free Software Foundation, Inc.,                                       *
00017 *   51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA              *
00018 ***************************************************************************/
00019 #ifndef CONEXUSNSPRFILEDESCRIPTOR_H
00020 #define CONEXUSNSPRFILEDESCRIPTOR_H
00021 
00022 #include <nspr.h>
00023 #include <pk11func.h>
00024 #include <nss.h>
00025 
00026 #include <conexus/endpoint.h>
00027 #include <conexus/nspr_utility.h>
00028 
00034 namespace Conexus
00035 {
00036 
00037   namespace NSPR
00038   {
00039 
00047     class FileDescriptor : public Conexus::Endpoint
00048     {
00049       protected:
00050 
00051         FileDescriptor( PRFileDesc* fd = NULL, bool close_on_destruction = true );
00052 
00053       public:
00054         IDIOSKOPOS_OBJECT( Conexus::NSPR::FileDescriptor );
00055 
00056         typedef ConexusPointer<FileDescriptor> pointer;
00057 
00058         virtual ~FileDescriptor();
00059 
00065         virtual PRFileDesc* fd() throw ();
00066 
00072         virtual void close( bool force = false ) throw ( close_exception );
00073 
00074         virtual ssize_t input_available();
00075 
00076       protected:
00077         PRFileDesc* m_fd;
00078 
00079         virtual ssize_t write_data( long int timeout, Data::const_pointer data ) throw ( write_exception );
00080 
00081         virtual Data::pointer read_data( long int timeout, size_t s = 0 ) throw ( read_exception );
00082 
00083     };
00084 
00085   }
00086 }
00087 
00088 #endif

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