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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;
class ACE_RMCast_Export ACE_RMCast_Module
{
// = TITLE
// Reliable Multicast Module
//
// = DESCRIPTION
// 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.
//
public:
// = Initialization and termination methods.
ACE_RMCast_Module (void);
// Constructor
virtual ~ACE_RMCast_Module (void);
// Destructor
virtual int next (ACE_RMCast_Module *next);
virtual ACE_RMCast_Module* next (void) const;
virtual int prev (ACE_RMCast_Module *prev);
virtual ACE_RMCast_Module* prev (void) const;
// Modifiers and accessors for the previous and next module in the
// stack
virtual int open (void);
// Initialize the module, setting up the next module
virtual int close (void);
// Close the module.
virtual int put_data (ACE_RMCast::Data &data) = 0;
// Push data down the stack
private:
ACE_RMCast_Module *next_;
ACE_RMCast_Module *prev_;
// The next and previous modules in the stack
};
#if defined (__ACE_INLINE__)
#include "RMCast_Module.i"
#endif /* __ACE_INLINE__ */
#include "ace/post.h"
#endif /* ACE_RMCAST_MODULE_H */
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