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/* -*- C++ -*- */
// $Id$
//
// ============================================================================
//
// = LIBRARY
// ORBSVCS Real-time Event Channel
//
// = FILENAME
// EC_Timeout_Filter
//
// = AUTHOR
// Carlos O'Ryan (coryan@cs.wustl.edu)
//
// = CREDITS
// Based on previous work by Tim Harrison (harrison@cs.wustl.edu)
// and other members of the DOC group.
// More details can be found in:
// http://www.cs.wustl.edu/~schmidt/oopsla.ps.gz
// http://www.cs.wustl.edu/~schmidt/JSAC-98.ps.gz
//
//
// ============================================================================
#ifndef TAO_EC_TIMEOUT_FILTER_H
#define TAO_EC_TIMEOUT_FILTER_H
#include "EC_Filter.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "EC_QOS_Info.h"
class TAO_EC_Event_Channel;
class TAO_ORBSVCS_Export TAO_EC_Timeout_Filter : public TAO_EC_Filter
{
// = TITLE
// A filter based on event type/source
//
// = DESCRIPTION
// This filter only accept events with a predefined type/source,
// both the source and the type can be wildcards.
//
public:
TAO_EC_Timeout_Filter (TAO_EC_Event_Channel *event_channel,
const TAO_EC_QOS_Info& qos_info,
RtecEventComm::Time period);
// Constructor.
virtual ~TAO_EC_Timeout_Filter (void);
// Destructor.
const TAO_EC_QOS_Info& qos_info (void) const;
// Return the QOS_Info for this Timeout filter.
// = The TAO_EC_Filter methods, please check the documentation in
// TAO_EC_Filter.
virtual int filter (const RtecEventComm::EventSet& event,
TAO_EC_QOS_Info& qos_info,
CORBA::Environment& env);
virtual int filter_nocopy (RtecEventComm::EventSet& event,
TAO_EC_QOS_Info& qos_info,
CORBA::Environment& env);
virtual void push (const RtecEventComm::EventSet& event,
TAO_EC_QOS_Info& qos_info,
CORBA::Environment& env);
virtual void push_nocopy (RtecEventComm::EventSet& event,
TAO_EC_QOS_Info& qos_info,
CORBA::Environment& env);
virtual void clear (void);
virtual CORBA::ULong max_event_size (void) const;
virtual int can_match (const RtecEventComm::EventHeader& header) const;
private:
ACE_UNIMPLEMENTED_FUNC (TAO_EC_Timeout_Filter
(const TAO_EC_Timeout_Filter&))
ACE_UNIMPLEMENTED_FUNC (TAO_EC_Timeout_Filter& operator=
(const TAO_EC_Timeout_Filter&))
private:
TAO_EC_Event_Channel* event_channel_;
// The event channel.
TAO_EC_QOS_Info qos_info_;
// Events "generated" by this filter use this QOS_Info.
int id_;
// The ID of the timeout in the Timeout_Generator, for
// cancellation.
};
#if defined (__ACE_INLINE__)
#include "EC_Timeout_Filter.i"
#endif /* __ACE_INLINE__ */
#endif /* TAO_EC_TIMEOUT_FILTER_H */
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