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// -*- C++ -*-
//=============================================================================
/**
* @file ServerInterceptorAdapter.h
*
* $Id$
*
* This file contains a helper class to simplify the support of
* interceptors in tao_idl generated skeletons.
*
* @author Nanbor Wang <nanbor@cs.wustl.edu>
* @author Ossama Othman <ossama@uci.edu>
* @author Kirthika Parameswaran <kirthika@cs.wustl.edu>
*/
//=============================================================================
#ifndef TAO_SERVER_INTERCEPTOR_ADAPTER_H
#define TAO_SERVER_INTERCEPTOR_ADAPTER_H
#include "ace/pre.h"
#include "tao/orbconf.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#if TAO_HAS_INTERCEPTORS == 1
#include "portableserver_export.h"
#include "tao/PortableInterceptorC.h"
#include "tao/Interceptor_List.h"
class TAO_ServerRequestInfo;
/**
* @class TAO_ServerRequestInterceptor_Adapter
*
* @brief TAO_ServerRequestInterceptor_Adapter
*
* A convenient helper class to invoke registered server request
* interceptor(s) in tao_idl generated code.
*/
class TAO_PortableServer_Export TAO_ServerRequestInterceptor_Adapter
{
public:
TAO_ServerRequestInterceptor_Adapter (
TAO_ServerRequestInterceptor_List::TYPE &interceptors,
size_t &stack_size);
~TAO_ServerRequestInterceptor_Adapter (void);
/**
* @name PortableInterceptor Client Side Interception Points
*
* Each of these methods corresponds to a client side interception
* point.
*
* @todo
* The "receive_request_service_contexts()" and "send_other()"
* PortableInterceptor interception points are missing.
*/
//@{
/// This method implements the "starting" server side interception
/// point.
void receive_request_service_contexts (
TAO_ServerRequestInfo *ri,
CORBA::Environment &);
/// This method an "intermediate" server side interception point.
void receive_request (TAO_ServerRequestInfo *ri,
CORBA::Environment &);
/// This method implements one of the "ending" server side
/// interception points.
void send_reply (TAO_ServerRequestInfo *ri,
CORBA::Environment &);
/// This method implements one of the "ending" server side
/// interception points.
void send_exception (TAO_ServerRequestInfo *ri,
CORBA::Environment &);
/// This method implements one of the "ending" server side
/// interception points.
void send_other (TAO_ServerRequestInfo *ri,
CORBA::Environment &);
//@}
/// Returns true if a LOCATION_FORWARD was generated, and false
/// otherwise.
CORBA::Boolean location_forwarded (void) const;
private:
/// Reference to the list of registered interceptors.
TAO_ServerRequestInterceptor_List::TYPE &interceptors_;
/// Cache the length of the interceptor list so that we don't have
/// to compute it at each stage of the current interception.
size_t len_;
/// The number of interceptors "pushed" onto the logical flow
/// stack. This is used when unwinding the flow stack.
size_t &stack_size_;
/// True if a PortableInterceptor::ForwardRequest exception was
/// thrown.
CORBA::Boolean location_forwarded_;
};
#if defined (__ACE_INLINE__)
# include "ServerInterceptorAdapter.inl"
#endif /* __ACE_INLINE__ */
#endif /* TAO_HAS_INTERCEPTORS */
#include "ace/post.h"
#endif /* TAO_SERVER_INTERCEPTOR_ADAPTER_H */
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