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#include "orbsvcs/LoadBalancing/LB_IORInterceptor.h"
#include "orbsvcs/LoadBalancing/LB_ObjectReferenceFactory.h"
#include "orbsvcs/LoadBalancing/LB_LoadAlert.h"
#include "tao/debug.h"
#include "tao/ORB_Constants.h"
ACE_RCSID (LoadBalancing,
LB_IORInterceptor,
"$Id$")
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
TAO_LB_IORInterceptor::TAO_LB_IORInterceptor (
const CORBA::StringSeq & object_groups,
const CORBA::StringSeq & repository_ids,
const char * location,
CosLoadBalancing::LoadManager_ptr lm,
const char * orb_id,
TAO_LB_LoadAlert & load_alert)
: object_groups_ (object_groups),
repository_ids_ (repository_ids),
location_ (location),
lm_ (CosLoadBalancing::LoadManager::_duplicate (lm)),
orb_id_ (CORBA::string_dup (orb_id)),
load_alert_ (load_alert),
la_ref_ (),
lock_ ()
{
}
char *
TAO_LB_IORInterceptor::name (ACE_ENV_SINGLE_ARG_DECL_NOT_USED)
ACE_THROW_SPEC ((CORBA::SystemException))
{
return CORBA::string_dup ("TAO_LB_IORInterceptor");
}
void
TAO_LB_IORInterceptor::destroy (ACE_ENV_SINGLE_ARG_DECL_NOT_USED)
ACE_THROW_SPEC ((CORBA::SystemException))
{
// Force the LoadManager reference to be released since the ORB's
// lifetime is tied to object reference lifetimes.
(void) this->lm_.out ();
}
void
TAO_LB_IORInterceptor::establish_components (
PortableInterceptor::IORInfo_ptr
ACE_ENV_ARG_DECL_NOT_USED)
ACE_THROW_SPEC ((CORBA::SystemException))
{
}
void
TAO_LB_IORInterceptor::components_established (
PortableInterceptor::IORInfo_ptr info
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException))
{
int argc = 0;
CORBA::ORB_var orb = CORBA::ORB_init (argc,
0,
this->orb_id_.in ()
ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
// Save a copy of the current ObjectReferenceFactory.
PortableInterceptor::ObjectReferenceFactory_var old_orf =
info->current_factory (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK;
PortableInterceptor::ObjectReferenceFactory * tmp;
ACE_NEW_THROW_EX (tmp,
TAO_LB_ObjectReferenceFactory (old_orf.in (),
this->object_groups_,
this->repository_ids_,
this->location_.in (),
orb.in (),
this->lm_.in ()),
CORBA::NO_MEMORY (
CORBA::SystemException::_tao_minor_code (
TAO::VMCID,
ENOMEM),
CORBA::COMPLETED_NO));
ACE_CHECK;
PortableInterceptor::ObjectReferenceFactory_var orf = tmp;
info->current_factory (orf.in ()
ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
}
void
TAO_LB_IORInterceptor::adapter_manager_state_changed (
const char *,
PortableInterceptor::AdapterState state
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException))
{
if (state == PortableInterceptor::ACTIVE)
{
this->register_load_alert (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK;
}
}
void
TAO_LB_IORInterceptor::adapter_state_changed (
const PortableInterceptor::ObjectReferenceTemplateSeq &,
PortableInterceptor::AdapterState state
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException))
{
if (state == PortableInterceptor::ACTIVE)
{
this->register_load_alert (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK;
}
}
void
TAO_LB_IORInterceptor::register_load_alert (ACE_ENV_SINGLE_ARG_DECL)
{
{
ACE_GUARD (TAO_SYNCH_MUTEX, guard, this->lock_);
if (!CORBA::is_nil (this->la_ref_.in ()))
return;
}
ACE_TRY_EX (foo)
{
// By now, the RootPOA has been fully initialized, so it is safe
// to activate the LoadAlert object.
CosLoadBalancing::LoadAlert_var la =
this->load_alert_._this (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK_EX (foo);
{
ACE_GUARD (TAO_SYNCH_MUTEX, guard, this->lock_);
this->la_ref_ = la;
}
}
ACE_CATCHANY
{
if (TAO_debug_level > 0)
ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION,
"LoadAlert::_this()");
}
ACE_ENDTRY;
ACE_CHECK;
ACE_TRY
{
PortableGroup::Location location (1);
location.length (1);
location[0].id = CORBA::string_dup (this->location_.in ());
this->lm_->register_load_alert (location,
this->la_ref_.in ()
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
}
ACE_CATCH (CosLoadBalancing::LoadAlertAlreadyPresent, ex)
{
if (TAO_debug_level > 0)
ACE_PRINT_EXCEPTION (ex,
"LoadManager::register_load_alert");
ACE_TRY_THROW (CORBA::BAD_INV_ORDER ());
}
ACE_CATCH (CosLoadBalancing::LoadAlertNotAdded, ex)
{
if (TAO_debug_level > 0)
ACE_PRINT_EXCEPTION (ex,
"LoadManager::register_load_alert");
ACE_TRY_THROW (CORBA::INTERNAL ());
}
ACE_ENDTRY;
ACE_CHECK;
}
TAO_END_VERSIONED_NAMESPACE_DECL
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