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// $Id$
#include "EC_ProxySupplier.h"
#include "EC_Dispatching.h"
#include "EC_Filter_Builder.h"
#include "EC_Event_Channel.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_);
}
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;
}
PortableServer::POA_ptr
TAO_EC_ProxyPushSupplier::_default_POA (CORBA::Environment&)
{
return PortableServer::POA::_duplicate (this->default_POA_.in ());
}
void
TAO_EC_ProxyPushSupplier::connected (TAO_EC_ProxyPushConsumer*,
CORBA::Environment &)
{
}
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::connect_push_consumer (
RtecEventComm::PushConsumer_ptr push_consumer,
const RtecEventChannelAdmin::ConsumerQOS& qos,
CORBA::Environment &ACE_TRY_ENV)
{
{
ACE_GUARD_THROW_EX (
ACE_Lock, ace_mon, *this->lock_,
RtecEventChannelAdmin::EventChannel::SYNCHRONIZATION_ERROR ());
ACE_CHECK;
if (this->is_connected_i ())
ACE_THROW (RtecEventChannelAdmin::AlreadyConnected ());
this->consumer_ =
RtecEventComm::PushConsumer::_duplicate (push_consumer);
this->qos_ = qos;
this->child_ =
this->event_channel_->filter_builder ()->build (this,
this->qos_);
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_GUARD_THROW_EX (
ACE_Lock, ace_mon, *this->lock_,
RtecEventChannelAdmin::EventChannel::SYNCHRONIZATION_ERROR ());
ACE_CHECK;
if (this->is_connected_i () == 0)
ACE_THROW (CORBA::BAD_INV_ORDER ());
this->consumer_ =
RtecEventComm::PushConsumer::_nil ();
// @@ Why don't we have a destroy() method in the filter_builder?
delete this->child_;
this->child_ = 0;
}
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;
// 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_GUARD_THROW_EX (
ACE_Lock, ace_mon, *this->lock_,
RtecEventChannelAdmin::EventChannel::SYNCHRONIZATION_ERROR ());
ACE_CHECK;
this->suspended_ = 1;
}
void
TAO_EC_ProxyPushSupplier::resume_connection (CORBA::Environment &ACE_TRY_ENV)
{
ACE_GUARD_THROW_EX (
ACE_Lock, ace_mon, *this->lock_,
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)
{
ACE_GUARD_THROW_EX (
ACE_Lock, ace_mon, *this->lock_,
RtecEventChannelAdmin::EventChannel::SYNCHRONIZATION_ERROR ());
ACE_CHECK_RETURN (0);
return this->child_->filter (event, qos_info, ACE_TRY_ENV);
}
int
TAO_EC_ProxyPushSupplier::filter_nocopy (RtecEventComm::EventSet& event,
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_->filter_nocopy (event, qos_info, ACE_TRY_ENV);
}
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);
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);
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,
}
consumer->push (event, ACE_TRY_ENV);
}
void
TAO_EC_ProxyPushSupplier::reactive_push_to_consumer (
const RtecEventComm::EventSet& event,
CORBA::Environment& ACE_TRY_ENV)
{
// Just reset the refcount, increased by the push() method.
this->refcount_--;
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;
consumer->push (event, ACE_TRY_ENV);
}
}
void
TAO_EC_ProxyPushSupplier::push_timeout (
TAO_EC_Filter* timeout_filter,
const RtecEventComm::EventSet &event,
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;
timeout_filter->push (event, qos_info, ACE_TRY_ENV);
}
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);
return this->child_->can_match (header);
}
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 */
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