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/* -*- C++ -*- */
/**
* @file ECG_Adapters.h
*
* $Id$
*
* @author Marina Spivak <marina@atdesk.com>
*
* Define interfaces ECG Receivers and Mcast and UDP handlers can use
* to communicate with each other.
* Use of these interfaces eliminates the coupling of specific
* Receivers on specific handlers, and vice versa.
*
*/
#ifndef TAO_ECG_ADAPTERS_H
#define TAO_ECG_ADAPTERS_H
#include /**/ "ace/pre.h"
#include /**/ "event_export.h"
#include "orbsvcs/orbsvcs/RtecUDPAdminC.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/Refcounted_Auto_Ptr.h"
class ACE_SOCK_Dgram;
/**
* @class TAO_ECG_Handler_Shutdown
*
* @brief Interface that should be implemented
* by multicast and udp handlers in EC gateways, so the
* handlers can be notified of shutdown (usually by Event Receivers).
*/
class TAO_RTEvent_Export TAO_ECG_Handler_Shutdown
{
public:
// Define virtual destructor to make sure we can delete derived
// objects through a pointer to TAO_ECG_Handler_Shutdown.
virtual ~TAO_ECG_Handler_Shutdown (void);
virtual int shutdown (void) = 0;
};
/**
* @class TAO_ECG_Dgram_Handler
*
* @brief Interface used by mcast/udp handlers to notify interested
* components (usually Event Receivers) that there is data
* available on the dgram for reading, and to query them about
* event type to mcast group mappings.
*/
class TAO_RTEvent_Export TAO_ECG_Dgram_Handler
{
public:
virtual int handle_input (ACE_SOCK_Dgram& dgram) = 0;
virtual void get_addr (const RtecEventComm::EventHeader& header,
RtecUDPAdmin::UDP_Addr_out addr
ACE_ENV_ARG_DECL) = 0;
};
typedef ACE_Refcounted_Auto_Ptr<TAO_ECG_Handler_Shutdown,
ACE_Null_Mutex> TAO_ECG_Refcounted_Handler;
#include /**/ "ace/post.h"
#endif /* TAO_ECG_ADAPTERS_H */
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