RTSPFillBuffer.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_RTSP_FILLBUFFER_H
#define MN_RTSP_FILLBUFFER_H

#include "ControlBase.h"
#include "MNSelector.h"
#include "MNTCPSocket.h"
#include "MNRope.h"
#include "MNMutex.h"
#include "dictionary.h"

class RTSPParser;
// class RTSPSocket;

class RTSPFillBuffer : public ControlBase
                     , public MNTCPSocket
{
    MNRope             _rope;

    MNSelector&        _selector;

    friend class TestCachingFillBuffer;

    bool               _char_mode;
    long               _read_size;

    // RTSPSocket*        _sock;

    bool               _connect_fail_is_fatal;

    MNMutex                  _sendMutex;

    dictionary<int,MNString> _messages;

    int __next_cseq_to_assign;
    int next_cseq_to_assign() const;
    void inc_next_cseq_to_assign();
    int _bandwidth;

    int __next_cseq_to_send;
    int next_cseq_to_send() const;
    void inc_next_cseq_to_send();

    void               writeQueue( int cseq, MNString msg );

    int                getCSeq( MNString text );

private:
    const char*        _rc_text( int code );

    RTSPFillBuffer& operator=( const RTSPFillBuffer& ); 
    RTSPFillBuffer( const RTSPFillBuffer& );            

public:
    RTSPFillBuffer( MNSelector& slct );
    RTSPFillBuffer( MNSelector& slct, int fd );
    virtual ~RTSPFillBuffer( );

    virtual MNTCPSocket::Fail connect( int port, const char* hostname );

    // void setParser( RTSPSocket* RTSPSock );

    void setConnectFailIsFatal(); // called by the proxy server

    virtual void callback( MNSelector* slct, int fd );
    void         reader( );

        virtual void   receiveIt( uchar_t*    buffer,
                                  int         bufsz,
                                  int         fd );

    virtual void   MsgOut( int             errNo,
                           const MNString& headers,
                           const MNString& body,
                           int             seq );

    virtual void MsgOut( const MNString& text,
                         int             seq );

    virtual void MsgOut( const MNString& text);

    virtual void MsgOutNoEOL( const MNString& text );
        void   MsgOut( MNString        text,
                       int             seq,
                       MNString        body );
        int    MsgOut2LibServer( MNString text );

        void   CreateCSeqAnswer( MNString &Answer, int seq );
    // inline RTSPSocket* getServerSocket() const { return _sock; } 

        virtual MNString getClientHostname();
        virtual MNString getMulticastAddress();

        MNString Rope2MNString( MNRope& rope );
        MNString getLastHeaderString ( ) ;
        MNString getLastSDPString ( ) ;

        void     deleteHeaderLine( MNString, MNString, MNString&, MNString&);

    virtual int getNextCSeq( );
    void setBandwidth( int bw );
    int  getBandwidth( ) const;
};

#endif /* MN_RTSP_FILLBUFFER_H */

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