vsnet_serversocket.h

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#ifndef VSNET_SERVERSOCKET_H
#define VSNET_SERVERSOCKET_H

#include <config.h>

/*
 * This program 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 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#include "vsnet_address.h"
#include "vsnet_socketset.h"
#include "vsnet_socketbase.h"
#include "vsnet_thread.h"

#include <queue>

struct ServerSocket : public VsnetSocketBase
{
protected:
    AddressIP _srv_ip;     //own IP address structure of this server

public: ServerSocket( int fd, const AddressIP &adr, const char *socktype, SocketSet &set ) :
        VsnetSocketBase( fd, socktype, set )
    {
        _srv_ip = adr;
    }

    inline const AddressIP& get_adr() const
    {
        return _srv_ip;
    }

    virtual SOCKETALT acceptNewConn() = 0;

    friend std::ostream&operator<<( std::ostream &ostr, const ServerSocket &s );
    friend bool operator==( const ServerSocket &l, const ServerSocket &r );

protected:
    virtual void child_disconnect( const char *s );

private: ServerSocket();
    ServerSocket( const ServerSocket &orig );
    ServerSocket& operator=( const ServerSocket &orig );
};

class ServerSocketTCP : public ServerSocket
{
public: ServerSocketTCP( int fd, const AddressIP &adr, SocketSet &set );

    virtual bool isActive();

//Accept a new connection
    virtual SOCKETALT acceptNewConn();

    virtual bool lower_selected( int datalen = -1 );

private:
    std::queue< SOCKETALT >_accepted_connections;
    VSMutex _ac_mx;

private: ServerSocketTCP();
    ServerSocketTCP( const ServerSocketTCP &orig );
    ServerSocketTCP& operator=( const ServerSocketTCP &orig );
};

class ServerSocketUDP : public ServerSocket
{
public: ServerSocketUDP( int fd, const AddressIP &adr, SocketSet &set );

    virtual bool isActive();

//Accept a new connection
    virtual SOCKETALT acceptNewConn();

//Can't happen
    virtual bool lower_selected( int datalen = -1 )
    {
        return false;
    }

private: ServerSocketUDP();
    ServerSocketUDP( const ServerSocketUDP &orig );
    ServerSocketUDP& operator=( const ServerSocketUDP &orig );
};

#endif /* VSNET_SERVERSOCKET_H */