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// $Id$
#include "ProxySupplier.h"
#if ! defined (__ACE_INLINE__)
#include "ProxySupplier.inl"
#endif /* __ACE_INLINE__ */
ACE_RCSID(RT_Notify, TAO_Notify_ProxySupplier, "$Id$")
#include "Event_Manager.h"
#include "AdminProperties.h"
#include "Consumer.h"
#include "Method_Request_Dispatch.h"
#include "Worker_Task.h"
#include "Buffering_Strategy.h"
#include "Properties.h"
#include "ConsumerAdmin.h"
TAO_Notify_ProxySupplier::TAO_Notify_ProxySupplier (void)
: consumer_admin_ (0)
, consumer_ (0)
{
}
TAO_Notify_ProxySupplier::~TAO_Notify_ProxySupplier ()
{
this->consumer_admin_->_decr_refcnt ();
}
void
TAO_Notify_ProxySupplier::init (TAO_Notify_ConsumerAdmin* consumer_admin ACE_ENV_ARG_DECL)
{
TAO_NOTIFY::Topology_Object::init (consumer_admin);
this->consumer_admin_ = consumer_admin;
this->consumer_admin_->_incr_refcnt ();
const CosNotification::QoSProperties &default_ps_qos =
TAO_Notify_PROPERTIES::instance ()->default_proxy_supplier_qos_properties ();
this->set_qos (default_ps_qos ACE_ENV_ARG_PARAMETER);
}
TAO_Notify_Peer*
TAO_Notify_ProxySupplier:: peer (void)
{
return this->consumer ();
}
void
TAO_Notify_ProxySupplier::connect (TAO_Notify_Consumer *consumer ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((
CORBA::SystemException
, CosEventChannelAdmin::AlreadyConnected
))
{
TAO_Notify_Atomic_Property_Long& consumer_count = this->admin_properties_->consumers ();
const TAO_Notify_Property_Long& max_consumers = this->admin_properties_->max_consumers ();
if (max_consumers != 0 &&
consumer_count >= max_consumers.value ())
ACE_THROW (CORBA::IMP_LIMIT ()); // we've reached the limit of consumers connected.
{
ACE_GUARD_THROW_EX (TAO_SYNCH_MUTEX, ace_mon, this->lock_,
CORBA::INTERNAL ());
ACE_CHECK;
TAO_Notify_Consumer * deleted_consumer = 0;
if (this->is_connected ())
{
if (TAO_Notify_PROPERTIES::instance()->allow_reconnect())
{
deleted_consumer = this->consumer_;
}
else
{
consumer->release ();
ACE_THROW (CosEventChannelAdmin::AlreadyConnected ());
}
}
consumer_ = consumer;
this->consumer_admin_->subscribed_types (this->subscribed_types_ ACE_ENV_ARG_PARAMETER); // get the parents subscribed types.
ACE_CHECK;
if (deleted_consumer != 0)
{
deleted_consumer->_decr_refcnt();
}
}
// Inform QoS values.
consumer_->qos_changed (this->qos_properties_);
TAO_Notify_EventTypeSeq removed;
this->event_manager_->subscription_change (this, this->subscribed_types_, removed ACE_ENV_ARG_PARAMETER);
this->event_manager_->connect (this ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
// Increment the global consumer count
++consumer_count;
}
void
TAO_Notify_ProxySupplier::disconnect (ACE_ENV_SINGLE_ARG_DECL)
{
TAO_Notify_EventTypeSeq added;
this->event_manager_->subscription_change (this, added, this->subscribed_types_ ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
this->event_manager_->disconnect (this ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
// Decrement the global consumer count
this->admin_properties_->consumers ()--;
}
int
TAO_Notify_ProxySupplier::shutdown (ACE_ENV_SINGLE_ARG_DECL)
{
if (this->TAO_Notify_Object::shutdown (ACE_ENV_SINGLE_ARG_PARAMETER) == 1)
return 1;
ACE_CHECK_RETURN (1);
this->disconnect (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK_RETURN (1);
if (this->consumer_ != 0)
this->consumer_->shutdown (ACE_ENV_SINGLE_ARG_PARAMETER);
return 0;
}
void
TAO_Notify_ProxySupplier::destroy (ACE_ENV_SINGLE_ARG_DECL)
{
if (this->shutdown (ACE_ENV_SINGLE_ARG_PARAMETER) == 1)
return;
ACE_CHECK;
this->consumer_admin_->remove (this ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
}
void
TAO_Notify_ProxySupplier::deliver (TAO_Notify_Method_Request & request ACE_ENV_ARG_DECL)
{
this->worker_task ()->execute (request ACE_ENV_ARG_PARAMETER);
}
void
TAO_Notify_ProxySupplier::qos_changed (const TAO_Notify_QoSProperties& qos_properties)
{
TAO_Notify_Property_Long mepc_qos (CosNotification::MaxEventsPerConsumer);
if (mepc_qos.set (qos_properties) != -1)
{
// Does the Proxy own the Worker Task?
if (own_worker_task_)
{
TAO_Notify_Buffering_Strategy* bs = this->worker_task_->buffering_strategy ();
// Apply this QoS to the Proxy's Buffering Strategy.
if (bs)
{
bs->max_local_queue_length (mepc_qos.value ());
}
}
}
TAO_Notify_Proxy::qos_changed (qos_properties);
}
#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
template class TAO_Notify_Refcountable_Guard_T<TAO_Notify_ProxySupplier>;
#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#pragma instantiate TAO_Notify_Refcountable_Guard_T<TAO_Notify_ProxySupplier>
#endif /*ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */
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