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// -*- C++ -*-
// $Id$
// ============================================================================
//
// = LIBRARY
// orbsvcs
//
// = FILENAME
// DSI_ForwardingProxy.h
//
// = AUTHOR
// Ossama Othman <ossama@uci.edu>
//
// ============================================================================
#ifndef DSI_FORWARDING_PROXY_H
#define DSI_FORWARDING_PROXY_H
#include "orbsvcs/LoadBalancingS.h"
// Forward declaration.
class LoadBalancer_Impl;
// @@ Ossama: we have to change the implementation to use a
// ServantLocator, that can actually raise the ForwardingRequest
// exception.
// @@ Also: please remember to use the '#pragma once' madness, prefix
// the names of your classes and don't forget the TAO_XXXX_Export
// macros.
class 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:
DSI_ForwardingProxy (LoadBalancer_Impl *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:
LoadBalancer_Impl *load_balancer_;
// The load balancer implementation.
CORBA::String_var interface_id_;
// The interface repository ID of the target object.
};
#endif /* DSI_FORWARDING_PROXY_H */
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