libt2n: (gerd) refactored connection classes

[libt2n] / src / socket_handler.hxx

/***************************************************************************
 *   Copyright (C) 2006 by Gerd v. Egidy                                   *
 *   gve@intra2net.com                                                     *
 *                                                                         *
 *   This library is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU Lesser General Public License version   *
 *   2.1 as published by the Free Software Foundation.                     *
 *                                                                         *
 *   This library 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 Lesser General Public License for more details.                   *
 *                                                                         *
 *   You should have received a copy of the GNU Lesser 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 __LIBT2N_SOCKET_HANDLER
#define __LIBT2N_SOCKET_HANDLER

#include "types.hxx"

namespace libt2n
{

class socket_handler
{
    private:
        static const unsigned int recv_buffer_size=2048;
        static const unsigned int write_block_size=4096;

        socket_type_value socket_type;

        bool data_waiting(long long usec_timeout=-1);

    protected:
        int sock;

        socket_handler(int _sock, socket_type_value _socket_type)
            { sock=_sock; socket_type=_socket_type; }

        void set_socket_options(int sock);

        void log(log_level_values level, const std::string& message)
            { log(level,message.c_str()); }
        virtual void log(log_level_values level, const char* message)
            { return; }

    public:
        socket_type_value get_type()
            { return socket_type; }

        bool fill_buffer(std::string& buffer, long long usec_timeout);
        bool fill_buffer(std::string& buffer);

        void close();

        void write(const std::string& data);
};

}

#endif