DataPopSinkSH.h

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/* Copyright (C) 2003 Carsten Griwodz
 *
 * 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 DATA_POP_SH_H
#define DATA_POP_SH_H

#include <sys/types.h>
#include <sys/time.h>

#include "SH.h"
#include "SHEndpoint.h"
#include "SHEndpointSpec.h"

namespace SH
{

class DataPopSinkSH;
class DataPopSinkEndpointSpec;
class DataPopSinkEndpoint;

/**********************************************************************/
/* DataPopSinkEndpoint                                           */
/**********************************************************************/

class DataPopSinkEndpoint
    : public SinkEndpoint
{
public:
    DataPopSinkEndpoint( DataPopSinkSH* mySH );
    virtual ~DataPopSinkEndpoint( );
};

/**********************************************************************/
/* DataPopSinkSH                                                     */
/**********************************************************************/

class DataPopSinkSH
    : public Base
{
public:
    DataPopSinkSH( SHGraphManager* mgr,
                  u_int32_t       runtimeId,
                  MNSelector&     sel );

    virtual ~DataPopSinkSH();

private:
    DataPopSinkSH( const DataPopSinkSH& );

    DataPopSinkSH& operator=( const DataPopSinkSH& );

    /******************************************************************/
    /* functions required for Status                                */
    /******************************************************************/
protected:
    friend class DataPopSinkEndpoint;

    SinkEndpoint*             _in_ep_a[1];
    DataPopSinkEndpoint       _inEP;

public:
    virtual SinkEndpoint**   getSinkSpecs();
    virtual SourceEndpoint** getSourceSpecs();

    virtual bool isConnected() const;

    bool get_packet( DataPtr& item );
};


}; // namespace SH

#endif /* DATA_POP_SH_H */

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