ServerGM.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 SERVER_GM_H
#define SERVER_GM_H

#include "SHGraphManager.h"

class MNString;
class MNUDPSocket;
class GMUser;

namespace SDP
{
    struct PayloadTypeTable;
};

//class GMUser
//{
//public:
//    GMUser( );
//
//    virtual ~GMUser( );
//
//     temporary hack, to be removed
//    virtual const SDP::PayloadTypeTable* getPayloadTypes() = 0;
//    virtual SDP::PayloadTypes            getInternalPayloadType() = 0;
//    virtual int                          getRTPPayloadType() = 0;
//    virtual void fileComplete( const char* filename, bool comp );
//};

class ServerGM : public SHGraphManager
{
    //GMUser* _user;

private:
    bool     _use_lcrtp;
    bool     _use_send_tfrc;
    bool     _use_recv_tfrc;

protected:
    //GMUser* getUser();
    /* Experimental for TFRC - MZ */
    int      _client_max_bw;

    inline bool lcrtp() const {
        return _use_lcrtp;
    }

    inline bool send_tfrc() const {
        return _use_send_tfrc;
    }

    inline bool recv_tfrc() const {
        return _use_recv_tfrc;
    }

public:
    ServerGM( GMUser* user, MNSelector& sel );

    virtual ~ServerGM( );

  
    virtual void init(int idx) = 0;

    virtual void uninit() = 0;
    virtual void start() = 0;
    virtual void set_hostnames( const MNString& Client,
                                const MNString& Server ) = 0;
    virtual void set_ports( int idx,
                            MNSocket*    locDownRtp,
                            MNSocket*    locDownRtcp,
                            int          distDown,
                            MNSocket*    locUpRtp,
                            MNSocket*    locUpRtcp,
                            int          distUp ) = 0;
    void set_lcrtp( bool lcrtp );

    virtual void set_send_tfrc( bool tfrc );

    virtual void set_recv_tfrc( bool tfrc );
    
    virtual void setNptSeek(int npt);
    virtual int  getNptSeconds();
    virtual void setRTPTimestamp(int idx, u_int32 rtptime);

    virtual void set_client_max_bw( int client_max_bw );
private:
    virtual int start_streamer(int idx, int bandwidth ) = 0;
public:
    virtual int open_file( int idx, 
                           const char*       name,
                           int               rtp_pt,
                           SDP::PayloadTypes int_pt,
                           u_int32_t         bw,
                           SDP::RetransTypes int_rt,
                           int               packetsize ) = 0;
    virtual int play( int start, int stopp ) = 0;
    virtual int stop( ) = 0;
    virtual int pause( ) = 0;
    virtual int jump ( long pos ) = 0;

    virtual void setLCRTPMode( bool /*lcmode*/ )
    { }

    virtual long getFilePos ()
    { return -1; }
};


#endif /* SERVER_GM_H */

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