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// -*- C++ -*-
// $Id$
// ============================================================================
//
// = LIBRARY
// TAO_LoadBalancing
//
// = FILENAME
// DSI_ForwardingProxy.h
//
// = AUTHOR
// Ossama Othman <ossama@uci.edu>
//
// ============================================================================
#ifndef DSI_FORWARDING_PROXY_H
#define DSI_FORWARDING_PROXY_H
#include "ace/pre.h"
#include "orbsvcs/LoadBalancingS.h"
#include "LoadBalancing_export.h"
# if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
# endif /* ACE_LACKS_PRAGMA_ONCE */
// Forward declaration.
class TAO_LB_LoadBalancer;
// @@ Ossama: we have to change the implementation to use a
// ServantLocator, that can actually raise the ForwardingRequest
// exception.
class TAO_LoadBalancing_Export TAO_LB_DSI_ForwardingProxy : public PortableServer::DynamicImplementation
{
// = TITLE
// Class that provides request forwarding.
// = DESCRIPTION
// Using the Dynamic Skeleton Interface, this class intercepts
// requests from a client, and throws a location forwarding
// exception that contains the location of the server to which the
// client should redirect its requests.
public:
TAO_LB_DSI_ForwardingProxy (TAO_LB_LoadBalancer *load_balancer,
const char *interface_id);
// Constructor that sets the interface repository ID this DSI object
// is associated with.
// = The DynamicImplementation methods
virtual void invoke (CORBA::ServerRequest_ptr request,
CORBA::Environment &ACE_TRY_ENV)
ACE_THROW_SPEC ((CORBA::SystemException,
PortableServer::ForwardRequest));
virtual CORBA::RepositoryId _primary_interface (
const PortableServer::ObjectId &oid,
PortableServer::POA_ptr poa,
CORBA::Environment &ACE_TRY_ENV)
ACE_THROW_SPEC (());
private:
TAO_LB_LoadBalancer *load_balancer_;
// The load balancer implementation.
CORBA::String_var interface_id_;
// The interface repository ID of the target object.
};
#include "ace/post.h"
#endif /* DSI_FORWARDING_PROXY_H */
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