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// -*- C++ -*-
#include "LB_RPMS_Monitor.h"
#include "LB_RPMS_Monitor_ORBInitializer.h"
ACE_RCSID (LoadBalancing,
LB_RPMS_Monitor,
"$Id$")
TAO_LB_RPMS_Monitor::TAO_LB_RPMS_Monitor (void)
: interceptor_ (0),
safe_interceptor_ ()
{
}
void
TAO_LB_RPMS_Monitor::init (CORBA::Environment &ACE_TRY_ENV)
{
// Possibly no CORBA exceptions instantiated yet so don't attempt
// to throw one if allocation fails.
ACE_NEW (this->interceptor_,
TAO_LB_RPMS_Monitor_Interceptor);
this->safe_interceptor_ = this->interceptor_;
TAO_LB_RPMS_Monitor_ORBInitializer *initializer = 0;
ACE_NEW (initializer,
TAO_LB_RPMS_Monitor_ORBInitializer (this->interceptor_));
PortableInterceptor::ORBInitializer_var orb_initializer =
initializer;
PortableInterceptor::register_orb_initializer (orb_initializer.in (),
ACE_TRY_ENV);
ACE_CHECK;
}
LoadBalancing::LoadList *
TAO_LB_RPMS_Monitor::current_load (CORBA::Environment &ACE_TRY_ENV)
ACE_THROW_SPEC ((CORBA::SystemException))
{
// Construct the LoadList here instead of inside the interceptor to
// maximize throughput in a multithreaded server replica by
// preventing two allocations from being added to the critical path
// of the client request.
//
// This optimization won't make a difference on single-threaded
// server replicas.
LoadBalancing::LoadList *tmp_loads = 0;
ACE_NEW_THROW_EX (tmp_loads,
LoadBalancing::LoadList,
CORBA::NO_MEMORY (
CORBA::SystemException::_tao_minor_code (
TAO_DEFAULT_MINOR_CODE,
ENOMEM),
CORBA::COMPLETED_NO));
ACE_CHECK_RETURN (0);
LoadBalancing::LoadList_var loads = tmp_loads;
loads->length (1);
// The LoadId should be unique within the location this monitor
// resides.
loads[0].identifier = 0; // @todo Use a symbolic constant instead.
loads[0].value = this->interceptor_->current_load ();
return loads._retn ();
}
void
TAO_LB_RPMS_Monitor::register_redirect (const char *type_id,
CORBA::Object_ptr redirect_to,
CORBA::Environment &ACE_TRY_ENV)
ACE_THROW_SPEC ((CORBA::SystemException))
{
this->interceptor_->register_redirect (type_id,
redirect_to,
ACE_TRY_ENV);
}
void
TAO_LB_RPMS_Monitor::remove_redirect (const char *type_id,
CORBA::Environment &ACE_TRY_ENV)
ACE_THROW_SPEC ((CORBA::SystemException))
{
this->interceptor_->remove_redirect (type_id,
ACE_TRY_ENV);
}
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