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// -*- C++ -*-
//=============================================================================
/**
* @file Asynch_Queued_Message.h
*
* $Id$
*
* @author Carlos O'Ryan <coryan@uci.edu>
*/
//=============================================================================
#ifndef TAO_ASYNCH_QUEUED_MESSAGE_H
#define TAO_ASYNCH_QUEUED_MESSAGE_H
#include "ace/pre.h"
#include "Queued_Message.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
/**
* @class TAO_Asynch_Queued_Message
*
* @brief Specialize TAO_Queued_Message for asynch requests,
* i.e. oneways sent with SYNC_NONE policy.
*
*/
class TAO_Export TAO_Asynch_Queued_Message : public TAO_Queued_Message
{
public:
/// Constructor
/**
* @param contents The message block chain that must be sent.
*
* @todo I'm almost sure this class will require a callback
* interface for AMIs sent with SYNC_NONE policy. Those guys
* need to hear when the connection timeouts or closes, but
* cannot block waiting for the message to be delivered.
*/
TAO_Asynch_Queued_Message (const ACE_Message_Block *contents);
/// Destructor
virtual ~TAO_Asynch_Queued_Message (void);
/** Implement the Template Methods from TAO_Queued_Message
*/
//@{
virtual size_t message_length (void) const;
virtual int all_data_sent (void) const;
virtual void fill_iov (int iovcnt_max, int &iovcnt, iovec iov[]) const;
virtual void bytes_transferred (size_t &byte_count);
virtual void destroy (void);
//@}
private:
/// The number of bytes in the buffer
size_t size_;
/// The offset in the buffer
/**
* Data up to @c offset has been sent already, only the
* [offset_,size_) range remains to be sent.
*/
size_t offset_;
/// The buffer containing the complete message.
char *buffer_;
};
#include "ace/post.h"
#endif /* TAO_ASYNCH_QUEUED_MESSAGE_H */
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