NopSinkSH.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 NOP_SINK_SH_H
#define NOP_SINK_SH_H

#include <sys/types.h>

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

namespace SH
{

class NopSinkSH;
class NopSinkSinkEndpoint;
class NopSinkSourceEndpoint;

/**********************************************************************/
/* NopSinkSinkEndpoint                                           */
/**********************************************************************/

class NopSinkSinkEndpoint
    : public SinkEndpoint
{
public:
    NopSinkSinkEndpoint( NopSinkSH* mySH );
    virtual ~NopSinkSinkEndpoint( );

    virtual SH_RC push( DataPtr item );

    NopSinkSH* dsh();
};

/**********************************************************************/
/* NopSinkSH                                                     */
/**********************************************************************/

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

private:

    NopSinkSH( const NopSinkSH& );

    NopSinkSH& operator=( const NopSinkSH& );

    /******************************************************************/
    /* functions required for SHStatus                                */
    /******************************************************************/
protected:
    friend class NopSinkSinkEndpoint;

    virtual void pushReport( ReportPtr report, Direction d );
    SH_RC push( DataPtr ptr );

    friend class NopIntegratedSH; // for the fake "integrated" SH test case

    SinkEndpoint*       _in_ep_a[1];
    NopSinkSinkEndpoint _inEP;

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

    virtual bool isConnected() const;

private:
    size_t _cnt;

    void inc_cnt( );
};


}; // namespace SH

#endif /* NOP_SINK_SH_H */

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