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// $Id$
#ifndef TAO_NOTIFY_PROXYCONSUMER_T_C
#define TAO_NOTIFY_PROXYCONSUMER_T_C
#include "Notify_ProxyConsumer_T.h"
#include "Notify_Event_Manager.h"
#include "Notify_SupplierAdmin_i.h"
#include "Notify_Factory.h"
#include "Notify_Channel_Objects_Factory.h"
#include "Notify_Event_Manager_Objects_Factory.h"
#include "Notify_Worker_Task.h"
#include "Notify_AdminProperties.h"
ACE_RCSID(Notify, Notify_ProxyConsumer_T, "$Id$")
template <class SERVANT_TYPE>
TAO_Notify_ProxyConsumer<SERVANT_TYPE>::TAO_Notify_ProxyConsumer (TAO_Notify_SupplierAdmin_i* supplier_admin)
: supplier_admin_ (supplier_admin),
filter_eval_task_ (0)
{
event_manager_ = supplier_admin->get_event_manager ();
supplier_admin_->_add_ref ();
}
template <class SERVANT_TYPE> void
TAO_Notify_ProxyConsumer<SERVANT_TYPE>::init (CosNotifyChannelAdmin::ProxyID proxy_id, CORBA::Environment& ACE_TRY_ENV)
{
this->proxy_id_ = proxy_id;
TAO_Notify_CO_Factory* cof =
TAO_Notify_Factory::get_channel_objects_factory ();
this->lock_ = cof->create_proxy_consumer_lock (ACE_TRY_ENV);
// Create the task to forward filtering commands to:
TAO_Notify_EMO_Factory* event_manager_objects_factory =
TAO_Notify_Factory::get_event_manager_objects_factory ();
this->filter_eval_task_ =
event_manager_objects_factory->create_listener_eval_task (ACE_TRY_ENV);
ACE_CHECK;
// Get hold of the admin properties.
TAO_Notify_AdminProperties* const admin_properties =
this->event_manager_->admin_properties ();
// open the tasks
this->filter_eval_task_->init_task (admin_properties);
}
// Implementation skeleton destructor
template <class SERVANT_TYPE>
TAO_Notify_ProxyConsumer<SERVANT_TYPE>::~TAO_Notify_ProxyConsumer (void)
{
ACE_DECLARE_NEW_CORBA_ENV;
this->event_manager_->unregister_from_subscription_updates (this,
ACE_TRY_ENV);
ACE_CHECK;
delete this->lock_;
this->supplier_admin_->proxy_pushconsumer_destroyed (this->proxy_id_);
supplier_admin_->_remove_ref ();
// @@: Move this to on_disconnected
this->filter_eval_task_->shutdown (ACE_TRY_ENV);
ACE_CHECK;
delete this->filter_eval_task_;
}
template <class SERVANT_TYPE> CORBA::Boolean
TAO_Notify_ProxyConsumer<SERVANT_TYPE>::evaluate_filter (TAO_Notify_Event &event, CORBA::Environment &ACE_TRY_ENV)
{
// check if it passes the parent filter.
CORBA::Boolean bval =
this->supplier_admin_->get_filter_admin ().match (event,
ACE_TRY_ENV);
ACE_CHECK_RETURN (0);
if (supplier_admin_->MyOperator (ACE_TRY_ENV) == CosNotifyChannelAdmin::AND_OP)
return (bval
&&
this->filter_admin_.match (event,
ACE_TRY_ENV)
);
else
return (bval
||
this->filter_admin_.match (event,
ACE_TRY_ENV)
);
}
template <class SERVANT_TYPE> TAO_Notify_Worker_Task*
TAO_Notify_ProxyConsumer<SERVANT_TYPE>::filter_eval_task (void)
{
return this->filter_eval_task_;
}
template <class SERVANT_TYPE> void
TAO_Notify_ProxyConsumer<SERVANT_TYPE>::on_connected (CORBA::Environment &ACE_TRY_ENV)
{
// Get hold of the admin properties.
TAO_Notify_AdminProperties* const admin_properties =
this->event_manager_->admin_properties ();
TAO_Notify_Property_Long* const supplier_count =
admin_properties->suppliers ();
if (admin_properties->max_suppliers () != 0 &&
supplier_count->value () >= admin_properties->max_suppliers ())
ACE_THROW (CORBA::IMP_LIMIT ()); // we've reached the limit of suppliers connected.
this->event_manager_->register_for_subscription_updates (this, ACE_TRY_ENV);
(*supplier_count)++;
}
template <class SERVANT_TYPE> void
TAO_Notify_ProxyConsumer<SERVANT_TYPE>::on_disconnected (CORBA::Environment &/*ACE_TRY_ENV*/)
{
// Get hold of the admin properties.
TAO_Notify_AdminProperties* const admin_properties =
this->event_manager_->admin_properties ();
(*(admin_properties->suppliers ()))--;
}
template <class SERVANT_TYPE> void
TAO_Notify_ProxyConsumer<SERVANT_TYPE>::offer_change (const CosNotification::EventTypeSeq & added, const CosNotification::EventTypeSeq & removed, CORBA::Environment &ACE_TRY_ENV)
ACE_THROW_SPEC ((
CORBA::SystemException,
CosNotifyComm::InvalidEventType
))
{
this->event_manager_->update_publication_list (added, removed, ACE_TRY_ENV);
}
template <class SERVANT_TYPE> CosNotification::EventTypeSeq*
TAO_Notify_ProxyConsumer<SERVANT_TYPE>::obtain_subscription_types (CosNotifyChannelAdmin::ObtainInfoMode mode, CORBA::Environment &ACE_TRY_ENV)
ACE_THROW_SPEC ((
CORBA::SystemException
))
{
CosNotification::EventTypeSeq* event_type_seq = 0;
if (mode == CosNotifyChannelAdmin::ALL_NOW_UPDATES_OFF ||
mode == CosNotifyChannelAdmin::ALL_NOW_UPDATES_ON)
{
event_type_seq = this->event_manager_->obtain_subscription_types ();
}
if (mode == CosNotifyChannelAdmin::NONE_NOW_UPDATES_ON ||
mode == CosNotifyChannelAdmin::ALL_NOW_UPDATES_ON)
{
// if updates are currently off, switch them on.
if (this->updates_on_ == 0)
this->event_manager_->register_for_subscription_updates (this,
ACE_TRY_ENV);
}
else
{
// if updates are currently on, switch them off.
if (this->updates_on_ == 1)
this->event_manager_->unregister_from_subscription_updates (this,
ACE_TRY_ENV);
}
return event_type_seq;
}
template <class SERVANT_TYPE> CosNotifyChannelAdmin::SupplierAdmin_ptr
TAO_Notify_ProxyConsumer<SERVANT_TYPE>::MyAdmin (CORBA::Environment &ACE_TRY_ENV)
ACE_THROW_SPEC ((
CORBA::SystemException
))
{
return this->supplier_admin_->get_ref (ACE_TRY_ENV);
}
#endif /* TAO_NOTIFY_PROXYCONSUMER_T_C */
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