1 files changed, 91 insertions, 0 deletions
diff --git a/TAO/tao/DiffServPolicy/DiffServ_Protocols_Hooks.h b/TAO/tao/DiffServPolicy/DiffServ_Protocols_Hooks.h
new file mode 100644
index 00000000000..20471e00304
--- /dev/null
+++ b/TAO/tao/DiffServPolicy/DiffServ_Protocols_Hooks.h
@@ -0,0 +1,91 @@
+// -*- 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.
+  ///
+  const 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.
+  ///
+  const 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_;
+};
+
+TAO_END_VERSIONED_NAMESPACE_DECL
+
+ACE_STATIC_SVC_DECLARE_EXPORT (TAO_DiffServPolicy,
+                               TAO_DS_Network_Priority_Protocols_Hooks)
+ACE_FACTORY_DECLARE (TAO_DiffServPolicy,
+                     TAO_DS_Network_Priority_Protocols_Hooks)
+
+#include /**/ "ace/post.h"
+#endif /* TAO_DIFFSERV_PROTOCOLS_HOOKS_H */