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// $Id$
// ============================================================================
//
// = DESCRIPTION
// The reassembly task for the reliable multicast library
//
// = AUTHOR
// Carlos O'Ryan <coryan@uci.edu>
//
// ============================================================================
#ifndef ACE_RMCAST_REASSEMBLY_H
#define ACE_RMCAST_REASSEMBLY_H
#include "ace/pre.h"
#include "RMCast_Module.h"
#include "ace/Hash_Map_Manager.h"
#include "ace/Synch.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
class ACE_RMCast_Partial_Message;
//! Reassemble multiple data fragments into a single data message
/*!
Data messages may not fit in a single MTU in the transport layer, in
that case the application configure a RMCast_Fragment module on the
sender side. On the receiver side this layer reassemble the
messages sent from a <EM>single</EM> source, and passes the messages
up the stream.
*/
class ACE_RMCast_Export ACE_RMCast_Reassembly : public ACE_RMCast_Module
{
public:
//! Constructor
ACE_RMCast_Reassembly (void);
//! Destructor
virtual ~ACE_RMCast_Reassembly (void);
// = The ACE_RMCast_Module methods
virtual int close (void);
virtual int data (ACE_RMCast::Data &data);
private:
/// Cleanup resources, but do not close the other modules in the
/// stack
void close_i (void);
private:
//! A mutex used to synchronize all the internal operations.
ACE_SYNCH_MUTEX mutex_;
typedef
ACE_Hash_Map_Manager<ACE_UINT32,ACE_RMCast_Partial_Message*,ACE_Null_Mutex>
Message_Map;
typedef
ACE_Hash_Map_Iterator<ACE_UINT32,ACE_RMCast_Partial_Message*,ACE_Null_Mutex>
Message_Map_Iterator;
//! A map, indexed by sequence number, of the partially received
//! messages.
Message_Map messages_;
};
#if defined (__ACE_INLINE__)
#include "RMCast_Reassembly.i"
#endif /* __ACE_INLINE__ */
#include "ace/post.h"
#endif /* ACE_RMCAST_REASSEMBLY_H */
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