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// $Id$
#include "ProxyConsumer.h"
#if ! defined (__ACE_INLINE__)
#include "ProxyConsumer.inl"
#endif /* __ACE_INLINE__ */
ACE_RCSID(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_BEGIN_VERSIONED_NAMESPACE_DECL
TAO_Notify_ProxyConsumer::TAO_Notify_ProxyConsumer (void)
: supplier_admin_ (0)
{
}
TAO_Notify_ProxyConsumer::~TAO_Notify_ProxyConsumer ()
{
}
TAO_Notify_Peer*
TAO_Notify_ProxyConsumer::peer (void)
{
return this->supplier ();
}
void
TAO_Notify_ProxyConsumer::init (TAO_Notify::Topology_Parent* topology_parent ACE_ENV_ARG_DECL)
{
ACE_ASSERT( this->supplier_admin_.get() == 0 );
TAO_Notify_Proxy::initialize (topology_parent ACE_ENV_ARG_PARAMETER);
this->supplier_admin_.reset (dynamic_cast<TAO_Notify_SupplierAdmin *>(topology_parent));
ACE_ASSERT (this->supplier_admin_.get() != 0);
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
))
{
// Adopt the supplier
ACE_Auto_Ptr< TAO_Notify_Supplier > auto_supplier (supplier);
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;
// if supplier is set and reconnect not allowed we get out.
if (this->is_connected () && TAO_Notify_PROPERTIES::instance()->allow_reconnect() == false)
{
ACE_THROW (CosEventChannelAdmin::AlreadyConnected ());
}
// Adopt the supplier
this->supplier_ = auto_supplier;
this->supplier_admin_->subscribed_types (this->subscribed_types_ ACE_ENV_ARG_PARAMETER); // get the parents subscribed types.
ACE_CHECK;
}
// Inform QoS values.
ACE_ASSERT (this->supplier_.get() != 0);
this->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::Ptr pevent (
event->queueable_copy (ACE_ENV_SINGLE_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->execute_task (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_.get() != 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;
}
TAO_END_VERSIONED_NAMESPACE_DECL
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