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// -*- C++ -*-
// ===================================================================
/**
* @file DiffServ_Protocols_Hooks.h
*
* $Id$
*
* @author Jaiganesh Balasubramanian <jai@dre.vanderbilt.edu>
* Johnny Willemsen <jwillemsen@remedy.nl>
*/
// ===================================================================
#ifndef TAO_DIFFSERV_PROTOCOLS_HOOKS_H
#define TAO_DIFFSERVT_PROTOCOLS_HOOKS_H
#include /**/ "ace/pre.h"
#include "tao/orbconf.h"
#include "tao/Network_Priority_Protocols_Hooks.h"
#include "ace/Service_Config.h"
#include "tao/DiffServPolicy/DiffServPolicy_Export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
class TAO_DiffServPolicy_Export TAO_DS_Network_Priority_Protocols_Hooks
: public TAO_Network_Priority_Protocols_Hooks
{
public:
/// Constructor
TAO_DS_Network_Priority_Protocols_Hooks (void);
/// Destructor
virtual ~TAO_DS_Network_Priority_Protocols_Hooks (void);
/// Initialize the network priority protocols hooks instance.
void init_hooks (TAO_ORB_Core *orb_core);
/// This function is used by the client side ORB to figure out
/// the DiffServ codepoint that needs to be added to the request
/// to be sent to the server.
///
CORBA::Long get_dscp_codepoint (TAO_Stub *stub, CORBA::Object *object);
/// This function is used by the server side to figure out the
/// DiffServ codepoint that is attached and sent as part of the
/// service context of the request from the client side.
/// Specifically, when CLIENT_PROPAGATED networ priority model
/// is followed, the clients sent the DiffServ codepoint, they
/// want the server to use in the reply, as a service context
/// entry in the request.
///
CORBA::Long get_dscp_codepoint (TAO_Service_Context &sc);
/// This function is called from the ORB_Core to add
/// network priority policy specific information on the request
/// service context. Specifically, when CLIENT_PROPAGATED network
/// priority model is used, the DiffServ codepoint that needs to be used
/// by the server side in the reply, is specified as a service context
/// entry, just like how RT-CORBA's CLIENT_PROPAGATED priority model works.
///
void np_service_context (TAO_Stub *stub,
TAO_Service_Context &service_context,
CORBA::Boolean restart);
/// Helper function that is used by the np_service_context () method.
///
void add_rep_np_service_context_hook (
TAO_Service_Context &service_context,
CORBA::Long &dscp_codepoint);
protected:
TAO_ORB_Core *orb_core_;
};
ACE_STATIC_SVC_DECLARE_EXPORT (TAO_DiffServPolicy,
TAO_DS_Network_Priority_Protocols_Hooks)
ACE_FACTORY_DECLARE (TAO_DiffServPolicy,
TAO_DS_Network_Priority_Protocols_Hooks)
TAO_END_VERSIONED_NAMESPACE_DECL
#include /**/ "ace/post.h"
#endif /* TAO_DIFFSERV_PROTOCOLS_HOOKS_H */
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