diff options
Diffstat (limited to 'TAO/orbsvcs/orbsvcs/Event/EC_ProxySupplier.cpp')
| -rw-r--r-- | TAO/orbsvcs/orbsvcs/Event/EC_ProxySupplier.cpp | 505 |
1 files changed, 0 insertions, 505 deletions
diff --git a/TAO/orbsvcs/orbsvcs/Event/EC_ProxySupplier.cpp b/TAO/orbsvcs/orbsvcs/Event/EC_ProxySupplier.cpp deleted file mode 100644 index 4a6ee4f78e7..00000000000 --- a/TAO/orbsvcs/orbsvcs/Event/EC_ProxySupplier.cpp +++ /dev/null @@ -1,505 +0,0 @@ -// $Id$ - -#include "EC_ProxySupplier.h" -#include "EC_Dispatching.h" -#include "EC_Filter_Builder.h" -#include "EC_QOS_Info.h" -#include "EC_Event_Channel.h" -#include "EC_Scheduling_Strategy.h" - -#if ! defined (__ACE_INLINE__) -#include "EC_ProxySupplier.i" -#endif /* __ACE_INLINE__ */ - -ACE_RCSID(Event, EC_ProxySupplier, "$Id$") - -typedef ACE_Reverse_Lock<ACE_Lock> TAO_EC_Unlock; - -TAO_EC_ProxyPushSupplier::TAO_EC_ProxyPushSupplier (TAO_EC_Event_Channel* ec) - : event_channel_ (ec), - refcount_ (1), - suspended_ (0), - child_ (0) -{ - this->lock_ = - this->event_channel_->create_supplier_lock (); - - this->default_POA_ = - this->event_channel_->supplier_poa (); -} - -TAO_EC_ProxyPushSupplier::~TAO_EC_ProxyPushSupplier (void) -{ - this->event_channel_->destroy_supplier_lock (this->lock_); -} - -void -TAO_EC_ProxyPushSupplier::connected (TAO_EC_ProxyPushConsumer* consumer, - CORBA::Environment &ACE_TRY_ENV) -{ - TAO_EC_Scheduling_Strategy *s = - this->event_channel_->scheduling_strategy (); - - s->add_proxy_supplier_dependencies (this, - consumer, - ACE_TRY_ENV); -} - -void -TAO_EC_ProxyPushSupplier::disconnected (TAO_EC_ProxyPushConsumer*, - CORBA::Environment &) -{ -} - -void -TAO_EC_ProxyPushSupplier::connected (TAO_EC_ProxyPushSupplier*, - CORBA::Environment &) -{ -} - -void -TAO_EC_ProxyPushSupplier::disconnected (TAO_EC_ProxyPushSupplier*, - CORBA::Environment &) -{ -} - -void -TAO_EC_ProxyPushSupplier::shutdown (CORBA::Environment &ACE_TRY_ENV) -{ - RtecEventComm::PushConsumer_var consumer; - - { - ACE_GUARD_THROW_EX ( - ACE_Lock, ace_mon, *this->lock_, - RtecEventChannelAdmin::EventChannel::SYNCHRONIZATION_ERROR ()); - ACE_CHECK; - - if (this->is_connected_i () == 0) - return; - - consumer = this->consumer_._retn (); - - this->cleanup_i (); - } - - this->deactivate (ACE_TRY_ENV); - ACE_CHECK; - - consumer->disconnect_push_consumer (ACE_TRY_ENV); - - this->_decr_refcnt (); -} - -void -TAO_EC_ProxyPushSupplier::cleanup_i (void) -{ - this->consumer_ = - RtecEventComm::PushConsumer::_nil (); - - // @@ Why don't we have a destroy() method in the - // filter_builder? - delete this->child_; - this->child_ = 0; -} - -void -TAO_EC_ProxyPushSupplier::deactivate (CORBA::Environment &ACE_TRY_ENV) -{ - PortableServer::POA_var poa = - this->_default_POA (ACE_TRY_ENV); - ACE_CHECK; - PortableServer::ObjectId_var id = - poa->servant_to_id (this, ACE_TRY_ENV); - ACE_CHECK; - poa->deactivate_object (id.in (), ACE_TRY_ENV); - ACE_CHECK; -} - -CORBA::ULong -TAO_EC_ProxyPushSupplier::_incr_refcnt (void) -{ - ACE_GUARD_RETURN (ACE_Lock, ace_mon, *this->lock_, 0); - return this->refcount_++; -} - -CORBA::ULong -TAO_EC_ProxyPushSupplier::_decr_refcnt (void) -{ - { - ACE_GUARD_RETURN (ACE_Lock, ace_mon, *this->lock_, 0); - this->refcount_--; - if (this->refcount_ != 0) - return this->refcount_; - } - - // Notify the event channel - this->event_channel_->destroy_proxy_push_supplier (this); - return 0; -} - -void -TAO_EC_ProxyPushSupplier::connect_push_consumer ( - RtecEventComm::PushConsumer_ptr push_consumer, - const RtecEventChannelAdmin::ConsumerQOS& qos, - CORBA::Environment &ACE_TRY_ENV) - ACE_THROW_SPEC ((CORBA::SystemException, - RtecEventChannelAdmin::AlreadyConnected, - RtecEventChannelAdmin::TypeError)) -{ - { - ACE_GUARD_THROW_EX ( - ACE_Lock, ace_mon, *this->lock_, - CORBA::INTERNAL ()); - // @@ RtecEventChannelAdmin::EventChannel::SYNCHRONIZATION_ERROR ()); - ACE_CHECK; - - if (this->is_connected_i ()) - { - if (this->event_channel_->consumer_reconnect () == 0) - ACE_THROW (RtecEventChannelAdmin::AlreadyConnected ()); - - // Re-connections are allowed, go ahead and disconnect the - // consumer... - this->cleanup_i (); - - // @@ Are there any race conditions here: - // + The lock is released, but the object is marked as - // disconnected already, so: - // - No events will be pushed - // - Any disconnects will just return - // + But another thread could invoke connect_push_consumer() - // again, notice that by the time the lock is acquired - // again the connected() call may still be running. - // It seems like we need delayed operations again, or - // something similar to what the POA does in this - // scenario. - // Meanwhile we can tell the users: "if it hurts don't do - // it". - // - TAO_EC_Unlock reverse_lock (*this->lock_); - - { - ACE_GUARD_THROW_EX ( - TAO_EC_Unlock, ace_mon, reverse_lock, - CORBA::INTERNAL ()); - // @@ RtecEventChannelAdmin::EventChannel::SYNCHRONIZATION_ERROR ()); - ACE_CHECK; - - this->event_channel_->disconnected (this, ACE_TRY_ENV); - ACE_CHECK; - } - - // What if a second thread connected us after this? - if (this->is_connected_i ()) - return; - } - - this->consumer_ = - RtecEventComm::PushConsumer::_duplicate (push_consumer); - this->qos_ = qos; - - this->child_ = - this->event_channel_->filter_builder ()->build (this, - this->qos_, - ACE_TRY_ENV); - ACE_CHECK; - - this->adopt_child (this->child_); - } - - // Notify the event channel... - this->event_channel_->connected (this, ACE_TRY_ENV); -} - -void -TAO_EC_ProxyPushSupplier::disconnect_push_supplier ( - CORBA::Environment &ACE_TRY_ENV) - ACE_THROW_SPEC ((CORBA::SystemException)) -{ - { - ACE_GUARD_THROW_EX ( - ACE_Lock, ace_mon, *this->lock_, - CORBA::INTERNAL ()); - // @@ RtecEventChannelAdmin::EventChannel::SYNCHRONIZATION_ERROR ()); - ACE_CHECK; - - if (this->is_connected_i () == 0) - ACE_THROW (CORBA::BAD_INV_ORDER ()); - - this->cleanup_i (); - } - - this->deactivate (ACE_TRY_ENV); - ACE_CHECK; - - // Notify the event channel.... - this->event_channel_->disconnected (this, ACE_TRY_ENV); - - this->_decr_refcnt (); -} - -void -TAO_EC_ProxyPushSupplier::suspend_connection (CORBA::Environment &ACE_TRY_ENV) - ACE_THROW_SPEC ((CORBA::SystemException)) -{ - ACE_GUARD_THROW_EX ( - ACE_Lock, ace_mon, *this->lock_, - CORBA::INTERNAL ()); - // @@ RtecEventChannelAdmin::EventChannel::SYNCHRONIZATION_ERROR ()); - ACE_CHECK; - - this->suspended_ = 1; -} - -void -TAO_EC_ProxyPushSupplier::resume_connection (CORBA::Environment &ACE_TRY_ENV) - ACE_THROW_SPEC ((CORBA::SystemException)) -{ - ACE_GUARD_THROW_EX ( - ACE_Lock, ace_mon, *this->lock_, - CORBA::INTERNAL ()); - // @@ RtecEventChannelAdmin::EventChannel::SYNCHRONIZATION_ERROR ()); - ACE_CHECK; - - this->suspended_ = 0; -} - -int -TAO_EC_ProxyPushSupplier::filter (const RtecEventComm::EventSet& event, - TAO_EC_QOS_Info& qos_info, - CORBA::Environment& ACE_TRY_ENV) -{ - int result = 0; - - { - ACE_GUARD_THROW_EX ( - ACE_Lock, ace_mon, *this->lock_, - RtecEventChannelAdmin::EventChannel::SYNCHRONIZATION_ERROR ()); - ACE_CHECK_RETURN (0); - - if (this->is_connected_i () == 0) - return 0; - - result = - this->child_->filter (event, qos_info, ACE_TRY_ENV); - if (this->refcount_ > 0) - return result; - } - - this->event_channel_->destroy_proxy_push_supplier (this); - return result; -} - -int -TAO_EC_ProxyPushSupplier::filter_nocopy (RtecEventComm::EventSet& event, - TAO_EC_QOS_Info& qos_info, - CORBA::Environment& ACE_TRY_ENV) -{ - int result = 0; - - { - ACE_GUARD_THROW_EX ( - ACE_Lock, ace_mon, *this->lock_, - RtecEventChannelAdmin::EventChannel::SYNCHRONIZATION_ERROR ()); - ACE_CHECK_RETURN (0); - - if (this->is_connected_i () == 0) - return 0; - - result = - this->child_->filter_nocopy (event, qos_info, ACE_TRY_ENV); - if (this->refcount_ > 0) - return result; - } - - this->event_channel_->destroy_proxy_push_supplier (this); - return result; -} - -void -TAO_EC_ProxyPushSupplier::push (const RtecEventComm::EventSet& event, - TAO_EC_QOS_Info& qos_info, - CORBA::Environment& ACE_TRY_ENV) -{ - // No need to grab the lock, it is beign held already by the - // filter() method - this->refcount_++; - this->event_channel_->dispatching ()->push (this, - event, - qos_info, - ACE_TRY_ENV); - if (this->child_ != 0) - this->child_->clear (); -} - -void -TAO_EC_ProxyPushSupplier::push_nocopy (RtecEventComm::EventSet& event, - TAO_EC_QOS_Info& qos_info, - CORBA::Environment& ACE_TRY_ENV) -{ - // No need to grab the lock, it is beign held already by the - // filter() method - this->refcount_++; - this->event_channel_->dispatching ()->push_nocopy (this, - event, - qos_info, - ACE_TRY_ENV); - if (this->child_ != 0) - this->child_->clear (); -} - -void -TAO_EC_ProxyPushSupplier::push_to_consumer (const RtecEventComm::EventSet& event, - CORBA::Environment& ACE_TRY_ENV) -{ - RtecEventComm::PushConsumer_var consumer; - { - ACE_GUARD_THROW_EX ( - ACE_Lock, ace_mon, *this->lock_, - RtecEventChannelAdmin::EventChannel::SYNCHRONIZATION_ERROR ()); - ACE_CHECK; - - // The reference count was increased just before pushing to the - // dispatching module, we must decrease here. But if we get - // removed then we abort. We don't want to call _decr_refcnt() - // because that will require two locks. - this->refcount_--; - if (this->refcount_ == 0) - { - ace_mon.release (); - this->event_channel_->destroy_proxy_push_supplier (this); - return; - } - - if (this->is_connected_i () == 0) - return; // ACE_THROW (RtecEventComm::Disconnected ());???? - - if (this->suspended_ != 0) - return; - - consumer = - RtecEventComm::PushConsumer::_duplicate (this->consumer_.in ()); - - // The refcount cannot be zero, because we have at least two - // references, - } - - ACE_TRY - { - consumer->push (event, ACE_TRY_ENV); - ACE_TRY_CHECK; - } - ACE_CATCHANY - { - // @@ This is where the policies for misbehaving consumers - // should kick in.... for the moment just ignore them. - } - ACE_ENDTRY; -} - -void -TAO_EC_ProxyPushSupplier::reactive_push_to_consumer ( - const RtecEventComm::EventSet& event, - CORBA::Environment& ACE_TRY_ENV) -{ - if (this->is_connected_i () == 0) - return; // TAO_THROW (RtecEventComm::Disconnected ());???? - - if (this->suspended_ != 0) - return; - - RtecEventComm::PushConsumer_var consumer = - RtecEventComm::PushConsumer::_duplicate (this->consumer_.in ()); - - { - TAO_EC_Unlock reverse_lock (*this->lock_); - - ACE_GUARD_THROW_EX (TAO_EC_Unlock, ace_mon, reverse_lock, - RtecEventChannelAdmin::EventChannel::SYNCHRONIZATION_ERROR ()); - ACE_CHECK; - - ACE_TRY - { - consumer->push (event, ACE_TRY_ENV); - ACE_TRY_CHECK; - } - ACE_CATCHANY - { - // @@ This is where the policies for misbehaving consumers - // should kick in.... for the moment just ignore them. - } - ACE_ENDTRY; - } - - // The reference count was incremented just before delegating on the - // dispatching strategy, in this can we need to decrement it *now*. - this->refcount_--; -} - -void -TAO_EC_ProxyPushSupplier::clear (void) -{ - ACE_GUARD (ACE_Lock, ace_mon, *this->lock_); - - this->child_->clear (); -} - -CORBA::ULong -TAO_EC_ProxyPushSupplier::max_event_size (void) const -{ - ACE_GUARD_RETURN (ACE_Lock, ace_mon, *this->lock_, 0); - - return this->child_->max_event_size (); -} - -int -TAO_EC_ProxyPushSupplier::can_match ( - const RtecEventComm::EventHeader &header) const -{ - ACE_GUARD_RETURN (ACE_Lock, ace_mon, *this->lock_, 0); - - if (this->is_connected_i () == 0) - return 0; - - return this->child_->can_match (header); -} - -int -TAO_EC_ProxyPushSupplier::add_dependencies ( - const RtecEventComm::EventHeader &header, - const TAO_EC_QOS_Info &qos_info, - CORBA::Environment &ACE_TRY_ENV) -{ - ACE_GUARD_THROW_EX ( - ACE_Lock, ace_mon, *this->lock_, - RtecEventChannelAdmin::EventChannel::SYNCHRONIZATION_ERROR ()); - ACE_CHECK_RETURN (0); - - return this->child_->add_dependencies (header, - qos_info, - ACE_TRY_ENV); -} - -PortableServer::POA_ptr -TAO_EC_ProxyPushSupplier::_default_POA (CORBA::Environment&) -{ - return PortableServer::POA::_duplicate (this->default_POA_.in ()); -} - -void -TAO_EC_ProxyPushSupplier::_add_ref (CORBA::Environment &) -{ - this->_incr_refcnt (); -} - -void -TAO_EC_ProxyPushSupplier::_remove_ref (CORBA::Environment &) -{ - this->_decr_refcnt (); -} - -#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION) - -#elif defined(ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA) - -#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */ |