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/**
* @file Consumer.cpp
*
* @author Carlos O'Ryan <coryan@uci.edu>
*/
#include "Consumer.h"
#include "Implicit_Deactivator.h"
#include "orbsvcs/Event_Service_Constants.h"
#include "ace/OS_NS_unistd.h"
Consumer::Consumer (CORBA::Long experiment_id,
CORBA::Long event_type,
CORBA::ULong iterations,
CORBA::Long workload_in_usecs,
ACE_High_Res_Timer::global_scale_factor_type gsf,
PortableServer::POA_ptr poa)
: experiment_id_ (experiment_id)
, event_type_ (event_type)
, sample_history_ (iterations)
, workload_in_usecs_ (workload_in_usecs)
, gsf_ (gsf)
, default_POA_ (PortableServer::POA::_duplicate (poa))
{
}
void
Consumer::connect (RtecEventChannelAdmin::EventChannel_ptr ec)
{
RtecEventChannelAdmin::ConsumerAdmin_var consumer_admin =
ec->for_consumers ();
{
ACE_GUARD (TAO_SYNCH_MUTEX, ace_mon, this->mutex_);
if (!CORBA::is_nil (this->proxy_supplier_.in ()))
return;
this->proxy_supplier_ =
consumer_admin->obtain_push_supplier ();
}
RtecEventComm::PushConsumer_var consumer =
this->_this ();
RtecEventChannelAdmin::ConsumerQOS consumer_qos;
consumer_qos.is_gateway = 0;
consumer_qos.dependencies.length (2);
RtecEventComm::EventHeader& h0 =
consumer_qos.dependencies[0].event.header;
h0.type = ACE_ES_DISJUNCTION_DESIGNATOR;
h0.source = 1;
RtecEventComm::EventHeader& h1 =
consumer_qos.dependencies[1].event.header;
h1.type = this->event_type_;
h1.source = this->experiment_id_;
this->proxy_supplier_->connect_push_consumer (consumer.in (),
consumer_qos);
}
void
Consumer::disconnect (void)
{
RtecEventChannelAdmin::ProxyPushSupplier_var proxy;
{
ACE_GUARD (TAO_SYNCH_MUTEX, ace_mon, this->mutex_);
if (CORBA::is_nil (this->proxy_supplier_.in ()))
return;
proxy = this->proxy_supplier_._retn ();
}
Implicit_Deactivator deactivator (this);
try{
proxy->disconnect_push_supplier ();
} catch (const CORBA::Exception&) {
}
}
ACE_Sample_History &
Consumer::sample_history (void)
{
return this->sample_history_;
}
void
Consumer::push (const RtecEventComm::EventSet &events)
{
ACE_hrtime_t now = ACE_OS::gethrtime ();
ACE_hrtime_t creation;
ORBSVCS_Time::TimeT_to_hrtime (creation,
events[0].header.creation_time);
while (this->workload_in_usecs_ > 0)
{
ACE_hrtime_t elapsed = ACE_OS::gethrtime () - now;
if (elapsed > this->gsf_ * this->workload_in_usecs_)
break;
ACE_OS::sleep (0);
}
ACE_GUARD (TAO_SYNCH_MUTEX, ace_mon, this->mutex_);
if (sample_history_.max_samples () == sample_history_.sample_count ())
return;
this->sample_history_.sample (now - creation);
}
void
Consumer::disconnect_push_consumer (void)
{
ACE_GUARD (TAO_SYNCH_MUTEX, ace_mon, this->mutex_);
this->proxy_supplier_ =
RtecEventChannelAdmin::ProxyPushSupplier::_nil ();
}
PortableServer::POA_ptr
Consumer::_default_POA (void)
{
return PortableServer::POA::_duplicate (this->default_POA_.in ());
}
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