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// $Id$
// ============================================================================
//
// = DESCRIPTION
// Helper class used in the reassembly layer of the realiable
// multicast library.
//
// = AUTHOR
// Carlos O'Ryan <coryan@cs.wustl.edu>
//
// ============================================================================
#ifndef ACE_RMCAST_PARTIAL_MESSAGE_H
#define ACE_RMCAST_PARTIAL_MESSAGE_H
#include "ace/pre.h"
#include "RMCast_Export.h"
#include "ace/Task.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#ifndef ACE_RMCAST_DEFAULT_HOLE_COUNT
#define ACE_RMCAST_DEFAULT_HOLE_COUNT 16
#endif /* ACE_RMCAST_DEFAULT_HOLE_COUNT */
class ACE_RMCast_Export ACE_RMCast_Partial_Message
{
public:
ACE_RMCast_Partial_Message (ACE_UINT32 message_size);
~ACE_RMCast_Partial_Message (void);
int fragment_received (ACE_UINT32 message_size,
ACE_UINT32 offset,
ACE_Message_Block *mb);
int is_complete (void) const;
ACE_Message_Block *message_body (void);
// Return the body of the message, the memory is owned by the
// class.
private:
int insert_hole (size_t i,
ACE_UINT32 start,
ACE_UINT32 end);
// Insert a new hole into the list
int remove_hole (size_t i);
// Remove a hole from the list
private:
ACE_Message_Block message_body_;
// Used to rebuild the body of the message
struct Hole
{
ACE_UINT32 start;
ACE_UINT32 end;
};
Hole *hole_list_;
size_t max_hole_count_;
size_t hole_count_;
// The current list of holes in the message_body.
};
#if defined (__ACE_INLINE__)
#include "RMCast_Partial_Message.i"
#endif /* __ACE_INLINE__ */
#include "ace/post.h"
#endif /* ACE_RMCAST_PARTIAL_MESSAGE_H */
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