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// -*- C++ -*-
// $Id$
// ============================================================================
//
// = LIBRARY
// TAO
//
// = FILENAME
// Sync_Strategies.h
//
// = DESCRIPTION
// Sync Strategies for the ORB Messaging layer.
//
// = AUTHOR
// Irfan Pyarali
//
// ============================================================================
#ifndef TAO_SYNC_STRATEGIES_H
#define TAO_SYNC_STRATEGIES_H
#include "tao/corbafwd.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "tao/Pluggable.h"
class TAO_Export TAO_Sync_Strategy
{
public:
virtual ~TAO_Sync_Strategy (void);
virtual ssize_t send (TAO_Transport &transport,
TAO_Stub &stub,
const ACE_Message_Block *message_block,
ACE_Time_Value *max_wait_time) = 0;
};
class TAO_Export TAO_Transport_Sync_Strategy : public TAO_Sync_Strategy
{
public:
ssize_t send (TAO_Transport &transport,
TAO_Stub &stub,
const ACE_Message_Block *message_block,
ACE_Time_Value *max_wait_time);
};
#if defined (TAO_HAS_CORBA_MESSAGING)
class TAO_Export TAO_None_Sync_Strategy : public TAO_Sync_Strategy
{
public:
ssize_t send (TAO_Transport &transport,
TAO_Stub &stub,
const ACE_Message_Block *message_block,
ACE_Time_Value *max_wait_time);
virtual int buffering_constraints_reached (TAO_Stub &stub,
TAO_Transport_Buffering_Queue &buffering_queue);
void dequeue_head (TAO_Transport_Buffering_Queue &buffering_queue);
void dequeue_all (TAO_Transport_Buffering_Queue &buffering_queue);
void reset_queued_message (TAO_Transport_Buffering_Queue &buffering_queue,
ACE_Message_Block *message_block,
size_t bytes_delivered);
};
class TAO_Export TAO_Flush_Sync_Strategy : public TAO_None_Sync_Strategy
{
public:
int buffering_constraints_reached (TAO_Stub &stub,
TAO_Transport_Buffering_Queue &buffering_queue);
};
#endif /* TAO_HAS_CORBA_MESSAGING */
#if defined (__ACE_INLINE__)
# include "tao/Sync_Strategies.i"
#endif /* __ACE_INLINE__ */
#endif /* TAO_SYNC_STRATEGIES_H */
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