udpsocket.h

Go to the documentation of this file.

/*
 *              udpsocket.h
 *
 *      Copyright 2008 - 2017 Brenton Ross
 *
 *      This file is part of SASSY.
 *
 *   SASSY 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 3 of the License, or
 *   (at your option) any later version.
 *
 *   SASSY 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 SASSY.  If not, see <http://www.gnu.org/licenses/>.
 */

// ---------------------------------------------------------

#ifndef CFI_UDPSOCKET_H
#define CFI_UDPSOCKET_H

// ----------------------------------------------------------------

#include "stringy.h"
#include <sys/socket.h>
#include <netinet/in.h>

// ----------------------------------------------------------------


namespace SASSY
{

namespace cfi
{


class UDPSocket
{
public:
        //
        //
        static const int BUFFER_SIZE = 16000;

private:
        char *buffer;

        // protect against copying sockets
        UDPSocket( const UDPSocket & ) = delete;
        void operator = ( const UDPSocket & ) = delete;

protected:
        struct sockaddr_in addr;        
        unsigned int addr_len;          
        int sd;                                         

        UDPSocket();
public:
        virtual ~UDPSocket();

        int fd() { return sd; }


        void send( csr message );


        void recv( std::string &message, std::string &host, int &port );
};

// ----------------------------------------------------------------


class UDPClientSocket : public UDPSocket
{
public:

        UDPClientSocket( csr host, int portid );
};

// ----------------------------------------------------------------


class UDPServerSocket : public UDPSocket
{
public:

        UDPServerSocket( int portid );


        void send( csr message, csr host, int port );
};

// ----------------------------------------------------------------

} // namespace cfi
} // namespace SASSY

#endif

// --------------------------------- end ---------------------------