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// -*- C++ -*-
//=============================================================================
/**
* @file MCast.h
*
* $Id$
*
* @author Nagarajan Surendran <naga@cs.wustl.edu>
*/
//=============================================================================
#ifndef TAO_AV_MCAST_H
#define TAO_AV_MCAST_H
#include /**/ "ace/pre.h"
#include "orbsvcs/AV/FlowSpec_Entry.h"
#include "orbsvcs/AV/Protocol_Factory.h"
#include "ace/INET_Addr.h"
#include "ace/SOCK_Dgram_Mcast.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
class TAO_AV_UDP_MCast_Flow_Handler;
/**
* @class TAO_AV_UDP_MCast_Transport
* @brief A transport abstraction for Multicast dgram sockets.
* Uses the ACE_SOCK_Dgram_Mcast to send data.
*/
class TAO_AV_UDP_MCast_Transport
:public TAO_AV_Transport
{
public:
TAO_AV_UDP_MCast_Transport (void);
TAO_AV_UDP_MCast_Transport (TAO_AV_UDP_MCast_Flow_Handler *handler);
virtual ~TAO_AV_UDP_MCast_Transport (void);
virtual int open (ACE_Addr *address);
virtual int close (void);
virtual int mtu (void);
/// Write the complete Message_Block chain to the connection.
virtual ACE_Addr *get_peer_addr (void);
virtual ACE_Addr *get_local_addr (void);
virtual ssize_t send (const ACE_Message_Block *mblk,
ACE_Time_Value *s = 0);
/// Write the contents of the buffer of length len to the connection.
virtual ssize_t send (const char *buf,
size_t len,
ACE_Time_Value *s = 0);
/// Write the contents of iovcnt iovec's to the connection.
virtual ssize_t send (const iovec *iov,
int iovcnt,
ACE_Time_Value *s = 0);
/// Read len bytes from into buf.
virtual ssize_t recv (char *buf,
size_t len,
ACE_Time_Value *s = 0);
/// Read len bytes from into buf using flags.
virtual ssize_t recv (char *buf,
size_t len,
int flags,
ACE_Time_Value *s = 0);
/// Read received data into the iovec buffers.
virtual ssize_t recv (iovec *iov,
int iovcnt,
ACE_Time_Value *s = 0);
protected:
TAO_AV_UDP_MCast_Flow_Handler *handler_;
ACE_INET_Addr peer_addr_;
ACE_INET_Addr local_addr_;
};
/**
* @class TAO_AV_UDP_MCast_Flow_Handler
* @brief Flow Handler for data sent over multicast sockets.
*/
class TAO_AV_UDP_MCast_Flow_Handler
:public virtual TAO_AV_Flow_Handler,
public virtual ACE_Event_Handler
{
public:
/// Ctor
/// Dtor
TAO_AV_UDP_MCast_Flow_Handler (void);
virtual ~TAO_AV_UDP_MCast_Flow_Handler (void);
virtual ACE_HANDLE get_handle (void) const;
virtual int handle_input (ACE_HANDLE fd);
virtual int handle_timeout (const ACE_Time_Value &tv, const void *arg = 0);
ACE_SOCK_Dgram_Mcast *get_mcast_socket (void) const;
virtual ACE_Event_Handler* event_handler (void){ return this; }
void set_peer_addr (ACE_INET_Addr *peer_addr);
protected:
ACE_INET_Addr *peer_addr_;
ACE_SOCK_Dgram_Mcast *dgram_mcast_;
};
TAO_END_VERSIONED_NAMESPACE_DECL
#if defined(__ACE_INLINE__)
#include "orbsvcs/AV/MCast.i"
#endif /* __ACE_INLINE__ */
#include /**/ "ace/post.h"
#endif /* TAO_AV_MCAST_H */
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