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// $Id$

#include "EC_Per_Supplier_Filter.h"
#include "EC_Event_Channel.h"
#include "EC_ProxyPushSupplier_Set.h"
#include "EC_ProxySupplier.h"
#include "EC_ProxyConsumer.h"
#include "EC_QOS_Info.h"
#include "orbsvcs/Event_Service_Constants.h"

#if ! defined (__ACE_INLINE__)
#include "EC_Per_Supplier_Filter.i"
#endif /* __ACE_INLINE__ */

ACE_RCSID(Event, EC_Per_Supplier_Filter, "$Id$")

TAO_EC_Per_Supplier_Filter::
    TAO_EC_Per_Supplier_Filter (TAO_EC_Event_Channel* ec)
  :  event_channel_ (ec)
{
  this->supplier_set_ =
    this->event_channel_->create_proxy_push_supplier_set ();
}

TAO_EC_Per_Supplier_Filter::~TAO_EC_Per_Supplier_Filter (void)
{
  this->event_channel_->destroy_proxy_push_supplier_set (this->supplier_set_);
  this->supplier_set_ = 0;
}

void
TAO_EC_Per_Supplier_Filter::bind (TAO_EC_ProxyPushConsumer* consumer)
{
  this->consumer_ = consumer;
}

void
TAO_EC_Per_Supplier_Filter::unbind (TAO_EC_ProxyPushConsumer* consumer)
{
  if (this->consumer_ != 0 && this->consumer_ != consumer)
    return;

  this->consumer_ = 0;
  delete this;
}

void
TAO_EC_Per_Supplier_Filter::connected (TAO_EC_ProxyPushSupplier* supplier,
                                       CORBA::Environment &ACE_TRY_ENV)
{
  if (this->consumer_ == 0)
    return;

  const RtecEventChannelAdmin::SupplierQOS& pub =
    this->consumer_->publications ();

  for (CORBA::ULong j = 0; j < pub.publications.length (); ++j)
    {
      const RtecEventComm::Event& event =
        pub.publications[j].event;
      RtecEventComm::EventType type = event.header.type;

      if (0 <= type && type <= ACE_ES_EVENT_UNDEFINED)
        continue;
      if (supplier->can_match (event.header))
        {
          this->supplier_set_->connected (supplier, ACE_TRY_ENV);
          return;
        }
    }
}

void
TAO_EC_Per_Supplier_Filter::disconnected (TAO_EC_ProxyPushSupplier* supplier,
                                          CORBA::Environment &ACE_TRY_ENV)
{
  this->supplier_set_->disconnected (supplier, ACE_TRY_ENV);
}

void
TAO_EC_Per_Supplier_Filter::push (const RtecEventComm::EventSet& event,
                                     CORBA::Environment &ACE_TRY_ENV)
{
  for (CORBA::ULong j = 0; j < event.length (); ++j)
    {
      const RtecEventComm::Event& e = event[j];
      RtecEventComm::Event* buffer =
        ACE_const_cast(RtecEventComm::Event*, &e);
      RtecEventComm::EventSet single_event (1, 1, buffer, 0);

      ACE_GUARD_THROW (TAO_EC_ProxyPushSupplier_Set::Busy_Lock,
          ace_mon, this->supplier_set_->busy_lock (),
          RtecEventChannelAdmin::EventChannel::SYNCHRONIZATION_ERROR ());

      TAO_EC_ProxyPushSupplier_Set::SupplierSetIterator end =
        this->supplier_set_->end ();

      for (TAO_EC_ProxyPushSupplier_Set::SupplierSetIterator i =
             this->supplier_set_->begin ();
           i != end;
           ++i)
        {
          TAO_EC_QOS_Info qos_info;

          (*i)->filter (single_event, qos_info, ACE_TRY_ENV);
          ACE_CHECK;
        }
    }
}