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// -*- C++ -*-
/**
* @file EC_Timeout_Filter.h
*
* @author Carlos O'Ryan (coryan@cs.wustl.edu)
*
* 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://doc.ece.uci.edu/~coryan/EC/index.html
*/
#ifndef TAO_EC_TIMEOUT_FILTER_H
#define TAO_EC_TIMEOUT_FILTER_H
#include /**/ "ace/pre.h"
#include "orbsvcs/Event/EC_Filter.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "orbsvcs/Event/EC_QOS_Info.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
class TAO_EC_Event_Channel_Base;
class TAO_EC_ProxyPushSupplier;
/**
* @class TAO_EC_Timeout_Filter
*
* @brief A filter based on event type/source
*
* This filter only accept events with a predefined type/source,
* both the source and the type can be wildcards.
*/
class TAO_RTEvent_Serv_Export TAO_EC_Timeout_Filter : public TAO_EC_Filter
{
public:
/// Constructor.
TAO_EC_Timeout_Filter (TAO_EC_Event_Channel_Base *event_channel,
TAO_EC_ProxyPushSupplier *supplier,
const TAO_EC_QOS_Info& qos_info,
RtecEventComm::EventType type,
RtecEventComm::Time period);
/// Destructor.
virtual ~TAO_EC_Timeout_Filter (void);
/// Return the QOS_Info for this Timeout filter.
const TAO_EC_QOS_Info& qos_info (void) const;
/// The type of timeout event that we generate.
RtecEventComm::EventType type (void) const;
/// Callback from the Timeout_Generator
void push_to_proxy (const RtecEventComm::EventSet& event,
TAO_EC_QOS_Info& qos_info);
// = 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);
virtual int filter_nocopy (RtecEventComm::EventSet& event,
TAO_EC_QOS_Info& qos_info);
virtual void push (const RtecEventComm::EventSet& event,
TAO_EC_QOS_Info& qos_info);
virtual void push_nocopy (RtecEventComm::EventSet& event,
TAO_EC_QOS_Info& qos_info);
virtual void clear (void);
virtual CORBA::ULong max_event_size (void) const;
virtual int can_match (const RtecEventComm::EventHeader& header) const;
virtual int add_dependencies (const RtecEventComm::EventHeader& header,
const TAO_EC_QOS_Info &qos_info);
private:
TAO_EC_Timeout_Filter (const TAO_EC_Timeout_Filter&);
TAO_EC_Timeout_Filter& operator= (const TAO_EC_Timeout_Filter&);
private:
/// The event channel.
TAO_EC_Event_Channel_Base* event_channel_;
/// The supplier that finally receives the timeout event.
TAO_EC_ProxyPushSupplier *supplier_;
/// Events "generated" by this filter use this QOS_Info.
TAO_EC_QOS_Info qos_info_;
/// The type of timeout event...
RtecEventComm::EventType type_;
/// The period for deadline timeouts...
RtecEventComm::Time period_;
/// The ID of the timeout in the Timeout_Generator, for
/// cancellation.
long id_;
};
TAO_END_VERSIONED_NAMESPACE_DECL
#if defined (__ACE_INLINE__)
#include "orbsvcs/Event/EC_Timeout_Filter.inl"
#endif /* __ACE_INLINE__ */
#include /**/ "ace/post.h"
#endif /* TAO_EC_TIMEOUT_FILTER_H */
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