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netsession_generic.h

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/*
        $Id: netsession_generic.h,v 1.5 2001/03/20 13:22:20 mbn Exp $

        ------------------------------------------------------------------------
        ClanLib, the platform independent game SDK.

        This library is distributed under the GNU LIBRARY GENERAL PUBLIC LICENSE
        version 2. See COPYING for details.

        For a total list of contributers see CREDITS.

        ------------------------------------------------------------------------
*/

#ifndef header_netsession_generic
#define header_netsession_generic

class CL_NetComputer;
class CL_NetGroup;
class CL_ConnectionProvider;

#include "API/Network/netmessage.h"
#include "API/Core/System/event_trigger.h"

class CL_NetSession_Generic
{
// Construction:
public:
        CL_NetSession_Generic(CL_ConnectionProvider *provider);

        virtual ~CL_NetSession_Generic();

// Attributes:
public:
        enum PacketTypes
        {
                Packet_Hello,
                Packet_Hello_ToYouToo,
                Packet_NetChannel_Message_ToClient,
                Packet_NetChannel_Message_ToServer,
                Packet_NetChannel_AccessChange
        };

        CL_ConnectionProvider *provider;

        virtual CL_NetComputer &get_server() =0;

        virtual CL_NetGroup &get_all() =0;

        virtual bool peek(int channel) const=0;

        virtual int access_status(int channel) const=0;

        virtual bool is_writable(int channel) const=0;

        virtual bool is_readable(int channel) const=0;

        virtual CL_EventTrigger *get_trigger() { return &trigger; }

// Operations:
public:
        void add_ref();

        void release_ref();

        virtual void keep_alive()=0;

        virtual CL_NetMessage receive(int channel, int timeout=-1)=0;

        virtual void send(
                const int dest_channel,
                const CL_NetGroup &dest,
                const CL_NetMessage &message,
                bool reliable = true)=0;

        virtual CL_NetComputer receive_computer_leave()=0;

        virtual CL_NetComputer receive_computer_join()=0;

        virtual CL_NetComputer receive_computer_rejoin()=0;

        virtual bool receive_session_closed()=0;

        // Client side only:
        virtual int receive_access_changed()=0;

        // Server side only:
        virtual void set_access(
                int channel,
                const CL_NetGroup &group,
                int access_rights)=0;

protected:
        CL_EventTrigger trigger;

// Implementation:
private:
        int ref_count;
};

#endif

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