DevNullSH.h

Go to the documentation of this file.

/* 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 DEV_NULL_SH_H
#define DEV_NULL_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 DevNullSH;
class DevNullSinkEndpoint;
class DevNullSourceEndpoint;

/**********************************************************************/
/* DevNullSinkEndpoint                                           */
/**********************************************************************/

class DevNullSinkEndpoint
    : public SinkEndpoint
{
    size_t _cnt;
public:
    DevNullSinkEndpoint( DevNullSH* mySH );
    virtual ~DevNullSinkEndpoint( );

    virtual SH_RC push( DataPtr item );

    DevNullSH* dsh();
};

/**********************************************************************/
/* DevNullSH                                                     */
/**********************************************************************/

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

private:

    DevNullSH( const DevNullSH& );

    DevNullSH& operator=( const DevNullSH& );

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

    virtual void pushReport( ReportPtr report, Direction d );

    SinkEndpoint*       _in_ep_a[1];
    DevNullSinkEndpoint _inEP;

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

    virtual bool isConnected() const;
};


}; // namespace SH

#endif /* DEV_NULL_SH_H */

---