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#include "tao/DiffServPolicy/DiffServ_Protocols_Hooks.h"
#include "tao/Stub.h"
#include "tao/Profile.h"
#include "tao/ORB_Core.h"
#include "tao/Service_Context.h"
#include "tao/CDR.h"
#include "tao/DiffServPolicy/Client_Network_Priority_Policy.h"
#include "ace/OS_NS_string.h"
ACE_RCSID (DiffServPolicy,
DiffServ_Protocols_Hooks,
"$Id$")
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
TAO_DS_Network_Priority_Protocols_Hooks::
TAO_DS_Network_Priority_Protocols_Hooks (void)
: orb_core_ (0)
, dscp_codepoint_ ()
{
}
TAO_DS_Network_Priority_Protocols_Hooks::
~TAO_DS_Network_Priority_Protocols_Hooks (void)
{
}
void
TAO_DS_Network_Priority_Protocols_Hooks::init_hooks (TAO_ORB_Core *orb_core)
{
this->orb_core_ = orb_core;
}
void
TAO_DS_Network_Priority_Protocols_Hooks::np_service_context (
TAO_Stub *stub,
TAO_Service_Context &service_context,
CORBA::Boolean restart)
{
// If the restart flag is true, then this call for a
// reinvocation. We need not prepare the Service Context List once
// again. We can use the already existing one.
if (!restart)
{
CORBA::Policy_var cnpp =
stub->get_cached_policy (TAO_CACHED_POLICY_CLIENT_NETWORK_PRIORITY);
if (!CORBA::is_nil (cnpp.in ()))
{
TAO::NetworkPriorityPolicy_var cnp =
TAO::NetworkPriorityPolicy::_narrow (cnpp.in ());
TAO::DiffservCodepoint reply_diffserv_codepoint;
reply_diffserv_codepoint = cnp->reply_diffserv_codepoint ();
CORBA::Long rep_dscp_codepoint = reply_diffserv_codepoint;
this->add_rep_np_service_context_hook (service_context,
rep_dscp_codepoint);
}
}
}
void
TAO_DS_Network_Priority_Protocols_Hooks::add_rep_np_service_context_hook (
TAO_Service_Context &service_context,
CORBA::Long &dscp_codepoint)
{
TAO_OutputCDR cdr;
if ((cdr << ACE_OutputCDR::from_boolean (TAO_ENCAP_BYTE_ORDER) == 0)
|| (cdr << dscp_codepoint) == 0)
{
throw CORBA::MARSHAL ();
}
service_context.set_context (IOP::REP_NWPRIORITY, cdr);
}
void
TAO_DS_Network_Priority_Protocols_Hooks::set_dscp_codepoint (
CORBA::Long dscp_codepoint)
{
this->dscp_codepoint_ = dscp_codepoint;
}
const CORBA::Long
TAO_DS_Network_Priority_Protocols_Hooks::get_dscp_codepoint (
TAO_Service_Context &sc)
{
CORBA::Long dscp_codepoint = 0;
const IOP::ServiceContext *context;
if (sc.get_context (IOP::REP_NWPRIORITY, &context) == 1)
{
TAO_InputCDR cdr (reinterpret_cast
<const char*>
(context->context_data.get_buffer ()),
context->context_data.length ());
CORBA::Boolean byte_order;
if ((cdr >> ACE_InputCDR::to_boolean (byte_order)) == 0)
{
throw (CORBA::MARSHAL ());
}
cdr.reset_byte_order (static_cast<int> (byte_order));
if ((cdr >> dscp_codepoint) == 0)
{
throw (CORBA::MARSHAL ());
}
}
return dscp_codepoint;
}
const CORBA::Long
TAO_DS_Network_Priority_Protocols_Hooks::get_dscp_codepoint (
TAO_Stub *stub, CORBA::Object *object)
{
CORBA::Long dscp = 0;
TAO::DiffservCodepoint diffserv_codepoint;
CORBA::Policy_var server_nw_priority_policy;
CORBA::Policy_var client_nw_priority_policy =
stub->get_cached_policy (
TAO_CACHED_POLICY_CLIENT_NETWORK_PRIORITY
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
if (CORBA::is_nil (client_nw_priority_policy.in ()))
{
TAO_Stub *server_stub = object->_stubobj ();
TAO_MProfile server_profiles = server_stub->base_profiles ();
CORBA::PolicyList_var policy_list =
server_profiles.policy_list ();
CORBA::ULong length = policy_list->length ();
for (CORBA::ULong i = 0; i < length; ++i)
{
if (policy_list[i]->policy_type () == TAO::NETWORK_PRIORITY_TYPE)
{
server_nw_priority_policy =
CORBA::Policy::_duplicate (policy_list[i]);
}
}
if (CORBA::is_nil (server_nw_priority_policy.in ()))
{
return dscp;
}
else
{
TAO::NetworkPriorityPolicy_var npp =
TAO::NetworkPriorityPolicy::_narrow (
server_nw_priority_policy.in ()
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
if (!CORBA::is_nil (npp.in ()))
{
TAO::NetworkPriorityModel network_priority_model =
npp->network_priority_model (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK;
if (network_priority_model ==
TAO::SERVER_DECLARED_NETWORK_PRIORITY)
{
diffserv_codepoint =
npp->request_diffserv_codepoint (
ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK;
dscp = diffserv_codepoint;
return dscp;
}
}
}
}
else
{
TAO::NetworkPriorityPolicy_var client_nw_priority =
TAO::NetworkPriorityPolicy::_narrow (client_nw_priority_policy.in ()
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
if (!CORBA::is_nil (client_nw_priority.in ()))
{
diffserv_codepoint =
client_nw_priority->request_diffserv_codepoint ();
dscp = diffserv_codepoint;
return dscp;
}
}
return dscp;
}
TAO_END_VERSIONED_NAMESPACE_DECL
ACE_STATIC_SVC_DEFINE (TAO_DS_Network_Priority_Protocols_Hooks,
ACE_TEXT ("DS_Network_Priority_Protocols_Hooks"),
ACE_SVC_OBJ_T,
&ACE_SVC_NAME (TAO_DS_Network_Priority_Protocols_Hooks),
ACE_Service_Type::DELETE_THIS
| ACE_Service_Type::DELETE_OBJ,
0)
ACE_FACTORY_DEFINE (TAO_DiffServPolicy,
TAO_DS_Network_Priority_Protocols_Hooks)
|
