RefCountingSocket.h

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/* Copyright (C) 2000 KOM/Darmstadt University of Technology
 *
 * You are allowed to use all other parts of the code under the following terms:
 *
 * For non-commercial use, code may be used in unmodified form provided
 * that this copyright notice and this permission notice appear in
 * supporting documentation.
 *
 * This software is provided "as is" and without any express or implied
 * warranties, including, without limitation, the implied warranty of
 * fitness for a particular purpose.
 *
 * The code may be subjected to the GNU General Public License, Version 2,
 * and re-distributed under the terms of this license.
 * As a special exception, permission is granted to link this code
 * with the Qt library and distribute executables, as long as you
 * follow the requirements of the GNU GPL in regard to all of the
 * software in the executable aside from Qt.
 *
 * Commercial use other than under the terms of the GNU General Public
 * License is allowed only after express negotiation of conditions
 * with the authors.
 */
#ifndef MN_RTP_REF_COUNTING_SOCKET_H
#define MN_RTP_REF_COUNTING_SOCKET_H

#include <assert.h>
#include <stdio.h>
#include <sys/types.h>

#include "MNUDPServerSocket.h"
#include "MNValid.h"

class RefCountedSocket;
class MNRope;

/**********************************************************************/
/* RefCountingSocket                                                  */
/**********************************************************************/

class RefCountingSocket
{
    DECLARE_VALID

private:
    RefCountedSocket* _s;

public:
    RefCountingSocket( const RefCountingSocket& );

    RefCountingSocket( MNSelector&  sel,
                       MNSocket&    sock );

    RefCountingSocket( MNSelector&  sel,
                       int          port );

    virtual ~RefCountingSocket( );

    void startUdpServer( bool sender);

    void stopUdpServer();

    virtual int reader ( MNRope*&             rope,
                         struct sockaddr_in*& dest ) = 0;

    virtual void writer ( ) = 0;

    bool join_multicast( int port, const char* address );

    bool is_multicast_joined() const;

    void set_multicast_ttl( int val );

    int  get_multicast_ttl( );
    
    int get_descriptor( );

    void set_multicast_if( const char* ifname );

#if 0
    int send( struct iovec* iov,
              size_t        iov_size,
              int           target_port,
              const char*   target_addr );
#endif

    int send( MNRope*                   rope,
              const struct sockaddr_in& target_addr );

    int send( struct iovec*             iov,
              size_t                    iov_size,
              const struct sockaddr_in& target_addr );

    MNSelector& getSelector( );
};

#endif /* MN_RTP_REF_COUNTING_SOCKET_H */

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