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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// ace
//
// = FILENAME
// RMCast_Module.h
//
// = AUTHOR
// Carlos O'Ryan <coryan@uci.edu>
//
// ============================================================================
#ifndef ACE_RMCAST_MODULE_H
#define ACE_RMCAST_MODULE_H
#include "ace/pre.h"
#include "RMCast.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
class ACE_Message_Block;
class ACE_Time_Value;
//! Reliable Multicast Module
/*!
The reliable multicast protocol is implemented as a stack of
"Modules" each one performing one specific task. In short, this is
an instance of the pipes-and-filters architectural pattern.
*/
class ACE_RMCast_Export ACE_RMCast_Module
{
public:
//! Constructor
ACE_RMCast_Module (void);
//! Destructor
virtual ~ACE_RMCast_Module (void);
//! Modifier for the next element in the stack
virtual int next (ACE_RMCast_Module *next);
//! Accesor for the next element in the stack
virtual ACE_RMCast_Module* next (void) const;
//! Initialize the module, setting up the next module
virtual int open (void);
//! Close the module.
virtual int close (void);
//! Push data through the stack
virtual int data (ACE_RMCast::Data &);
//! Push a polling request through the stack
virtual int poll (ACE_RMCast::Poll &);
//! Push a message to ack a join request through the stack
virtual int ack_join (ACE_RMCast::Ack_Join &);
//! Push a message to ack a leave request through the stack
virtual int ack_leave (ACE_RMCast::Ack_Leave &);
//! Push an ack mesage through the stack
virtual int ack (ACE_RMCast::Ack &);
//! Push a join message through the stack
virtual int join (ACE_RMCast::Join &);
//! Push a leave message through the stack
virtual int leave (ACE_RMCast::Leave &);
private:
//! The next element in the stack
ACE_RMCast_Module *next_;
};
#if defined (__ACE_INLINE__)
#include "RMCast_Module.i"
#endif /* __ACE_INLINE__ */
#include "ace/post.h"
#endif /* ACE_RMCAST_MODULE_H */
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