debian/libconexus-dev/usr/include/conexus-0.5/conexus/ipv4_udp.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 CONEXUS_IPV4UDP_H
00020 #define CONEXUS_IPV4UDP_H
00021 
00022 #include <conexus/ipv4_ip.h>
00023 
00040 namespace Conexus {
00041 
00042   namespace IPv4 {
00043 
00050     class UDP : public IP
00051       {
00052       public:
00053         typedef ConexusPointer<UDP> pointer;
00054 
00055         UDP( uint16_t localport = 0, uint16_t remoteport = 0 );
00056 
00057         static UDP::pointer create( uint16_t localport = 0, uint16_t remoteport = 0 );
00058 
00059         virtual ~UDP() throw();
00060 
00061       virtual ssize_t input_available();
00062 
00063       virtual void bind() throw ( bind_exception );
00064 
00065         virtual void bind( Conexus::Address& a ) throw ( bind_exception );
00066 
00067         virtual void close() throw ( close_exception );
00068 
00072         virtual int output_pending();
00073 
00074         virtual void connect() throw ( connect_exception );
00075 
00076         virtual void connect( Address& a ) throw ( connect_exception ) {
00077           Socket::connect( a );
00078         }
00079 
00097         virtual void set_write_without_connect( bool value = true );
00098 
00099 
00100         virtual bool write_without_connect() const;
00101 
00102         virtual bool multicast_auto_join() const;
00103 
00104         virtual void set_multicast_auto_join( bool value = true );
00105 
00109         virtual int multicast_hops();
00110 
00114         virtual void set_multicast_hops( int hops );
00115 
00119         virtual bool multicast_loop();
00120 
00124         virtual void set_multicast_loop( bool loop );
00125 
00130 //       void cork();
00131 
00136 //       void uncork();
00137 
00138 //       bool is_corked();
00139 
00140       virtual const std::string& object_type() {
00141           static std::string s( "Conexus::IPv4::UDP" );
00142           return s;
00143         }
00144 
00145       protected:
00146         bool m_write_without_connect;
00147         bool m_multicast_auto_join;
00148         struct ip_mreq* m_multicast_request;
00149 
00150 
00152         virtual void join();
00153 
00155         virtual void leave();
00156 
00157         virtual void on_local_interface_changed( unsigned which );
00158         virtual void on_remote_address_changed( unsigned which );
00159 
00164         virtual ssize_t write_data(long int timeout, Data::const_pointer data) throw (write_exception);
00165 
00172         virtual Data::pointer read_data(long int timeout, size_t s = 0) throw (read_exception);
00173       };
00174 
00175   }
00176 
00177 }
00178 
00179 #endif

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