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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// TAO/orbsvcs/orbsvcs
//
// = FILENAME
// IOR_Multicast.h
//
// = DESCRIPTION
// Defines a class that listens to a multicast address for client requests
// for ior of a bootstrappable service.
//
// = AUTHORS
// Sergio Flores-Gaitan
//
// ============================================================================
#ifndef TAO_IOR_MULTICAST_H
#define TAO_IOR_MULTICAST_H
#include /**/ "ace/pre.h"
#include "orbsvcs/orbsvcs/svc_utils_export.h"
#include "tao/ORB.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/INET_Addr.h"
#include "ace/SOCK_Dgram_Mcast.h"
#include "ace/Reactor.h"
class TAO_Svc_Utils_Export TAO_IOR_Multicast : public ACE_Event_Handler
{
// = TITLE
// Event Handler that services multicast requests for IOR of a
// bootstrappable service.
//
// = DESCRIPTION
// This class uses the ACE_SOCK_Dgram_Mcast class and should be
// registered with a reactor and should be initialized with the
// ior of the service to be multicasted.
public:
TAO_IOR_Multicast (void);
// Constructor.
TAO_IOR_Multicast (const char *ior,
u_short port,
const char *mcast_addr,
TAO_Service_ID service_id);
// Constructor taking the ior of the service.
int init (const char *ior,
u_short port,
const char *mcast_addr,
TAO_Service_ID service_id);
// Initialization method.
int init (const char *ior,
const char *mcast_addr,
TAO_Service_ID service_id);
// Initialization method. Takes in "address:port" string as a
// parameter.
~TAO_IOR_Multicast (void);
// Destructor.
virtual int handle_input (ACE_HANDLE n);
// Callback when input is received on the handle.
virtual int handle_timeout (const ACE_Time_Value &tv,
const void *arg);
// Callback when a timeout has occurred.
virtual ACE_HANDLE get_handle (void) const;
// Returns the internal handle used to receive multicast.
private:
int common_init (const char *ior,
TAO_Service_ID service_id);
// Factor common functionality from the two init functions.
char buf_[BUFSIZ];
// temporary buffer.
TAO_Service_ID service_id_;
// Service id that we're waiting for.
ACE_SOCK_Dgram_Mcast mcast_dgram_;
// multicast endpoint of communication
ACE_INET_Addr mcast_addr_;
// multicast address
const char *ior_;
// object reference to send in response to the multicast
ACE_INET_Addr response_addr_;
// address of response.
ACE_SOCK_Dgram response_;
// socket for response to the multicast
const char *mcast_nic_;
};
#include /**/ "ace/post.h"
#endif /* TAO_IOR_MULTICAST_H */
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