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// $Id$
#include "ProxyConsumer.h"
#if ! defined (__ACE_INLINE__)
#include "ProxyConsumer.inl"
#endif /* __ACE_INLINE__ */
ACE_RCSID(RT_Notify, TAO_Notify_ProxyConsumer, "$Id$")
#include "tao/debug.h"
#include "ace/Atomic_Op.h"
#include "Supplier.h"
#include "AdminProperties.h"
#include "Property.h"
#include "Proxy.h"
#include "Event_Manager.h"
#include "Method_Request_Lookup.h"
#include "Worker_Task.h"
#include "Properties.h"
#include "SupplierAdmin.h"
#include "EventChannel.h"
#include "Routing_Slip.h"
//#define DEBUG_LEVEL 10
#ifndef DEBUG_LEVEL
# define DEBUG_LEVEL TAO_debug_level
#endif //DEBUG_LEVEL
TAO_Notify_ProxyConsumer::TAO_Notify_ProxyConsumer (void)
: supplier_admin_ (0)
, supplier_ (0)
{
}
TAO_Notify_ProxyConsumer::~TAO_Notify_ProxyConsumer ()
{
this->supplier_admin_->_decr_refcnt ();
}
TAO_Notify_Peer*
TAO_Notify_ProxyConsumer::peer (void)
{
return this->supplier ();
}
void
TAO_Notify_ProxyConsumer::init (TAO_Notify_SupplierAdmin* supplier_admin ACE_ENV_ARG_DECL)
{
TAO_Notify::Topology_Object::init (supplier_admin);
this->supplier_admin_ = supplier_admin;
this->supplier_admin_->_incr_refcnt ();
const CosNotification::QoSProperties &default_ps_qos =
TAO_Notify_PROPERTIES::instance ()->default_proxy_consumer_qos_properties ();
this->set_qos (default_ps_qos ACE_ENV_ARG_PARAMETER);
}
void
TAO_Notify_ProxyConsumer::connect (TAO_Notify_Supplier *supplier ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((
CORBA::SystemException
, CosEventChannelAdmin::AlreadyConnected
))
{
TAO_Notify_Atomic_Property_Long& supplier_count = this->admin_properties_->suppliers ();
const TAO_Notify_Property_Long& max_suppliers = this->admin_properties_->max_suppliers ();
if (max_suppliers != 0 &&
supplier_count >= max_suppliers.value ())
ACE_THROW (CORBA::IMP_LIMIT ()); // we've reached the limit of suppliers connected.
{
ACE_GUARD_THROW_EX (TAO_SYNCH_MUTEX, ace_mon, this->lock_,
CORBA::INTERNAL ());
ACE_CHECK;
TAO_Notify_Supplier* deleted_supplier = 0;
if (this->is_connected ())
{
if (TAO_Notify_PROPERTIES::instance()->allow_reconnect())
{
deleted_supplier = this->supplier_;
}
else
{
supplier->release ();
ACE_THROW (CosEventChannelAdmin::AlreadyConnected ());
}
}
this->supplier_ = supplier;
this->supplier_admin_->subscribed_types (this->subscribed_types_ ACE_ENV_ARG_PARAMETER); // get the parents subscribed types.
ACE_CHECK;
if (deleted_supplier != 0)
{
deleted_supplier->_decr_refcnt();
}
}
// Inform QoS values.
supplier_->qos_changed (this->qos_properties_);
TAO_Notify_EventTypeSeq removed;
this->event_manager_->offer_change (this, this->subscribed_types_, removed ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
this->event_manager_->connect (this ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
// Increment the global supplier count
++supplier_count;
}
void
TAO_Notify_ProxyConsumer::push_i (TAO_Notify_Event * event ACE_ENV_ARG_DECL)
{
if (this->supports_reliable_events ())
{
TAO_Notify_Event_var pevent;
event->queueable_copy (pevent ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
TAO_Notify::Routing_Slip_Ptr routing_slip =
TAO_Notify::Routing_Slip::create (pevent ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
if (DEBUG_LEVEL > 0)
ACE_DEBUG((LM_DEBUG, ACE_TEXT ("ProxyConsumer routing event.\n")));
routing_slip->route (this, true ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
routing_slip->wait_persist ();
}
else
{
TAO_Notify_Method_Request_Lookup_No_Copy request (event, this);
this->worker_task ()->execute (request ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
}
}
bool
TAO_Notify_ProxyConsumer::supports_reliable_events () const
{
bool reliable = false;
CosNotification::PropertyValue value;
if (this->find_qos_property_value (CosNotification::EventReliability, value))
{
CORBA::Long setting;
if (value >>= setting)
{
reliable = (setting == CosNotification::Persistent);
}
}
return reliable;
}
void
TAO_Notify_ProxyConsumer::disconnect (ACE_ENV_SINGLE_ARG_DECL)
{
TAO_Notify_EventTypeSeq added;
event_manager_->offer_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 supplier count
this->admin_properties_->suppliers ()--;
}
int
TAO_Notify_ProxyConsumer::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->supplier_ != 0)
this->supplier_->shutdown (ACE_ENV_SINGLE_ARG_PARAMETER);
return 0;
}
void
TAO_Notify_ProxyConsumer::destroy (ACE_ENV_SINGLE_ARG_DECL)
{
if (this->shutdown (ACE_ENV_SINGLE_ARG_PARAMETER) == 1)
return;
ACE_CHECK;
this->supplier_admin_->remove (this ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
}
#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
template class TAO_Notify_Refcountable_Guard_T<TAO_Notify_ProxyConsumer>;
#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#pragma instantiate TAO_Notify_Refcountable_Guard_T<TAO_Notify_ProxyConsumer>
#endif /*ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */
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