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// $Id$
#include "Constants.h"
#include "orbsvcs/Event/EC_Lifetime_Utils_T.h"
#include "orbsvcs/Event_Utilities.h"
#include "orbsvcs/RtecEventChannelAdminC.h"
#include "orbsvcs/RtecEventCommS.h"
class EC_Consumer:
public POA_RtecEventComm::PushConsumer
{
public:
/// Constructor.
EC_Consumer (CORBA::ORB_var orb,
RtecEventChannelAdmin::EventChannel_var ec);
/// PushConsumer methods.
//@{
/// Logs each event. Initiates shutdown after receiving 100 events.
virtual void push (const RtecEventComm::EventSet &events);
/// No-op.
virtual void disconnect_push_consumer (void);
//@}
private:
/// Helper - destroys EC, shutdowns the ORB and prints number of
/// events received.
void disconnect (void);
/// Number of events pushed to us by EC.
size_t n_events_;
/// Cache these pointers for cleanup.
CORBA::ORB_var orb_;
RtecEventChannelAdmin::EventChannel_var ec_;
};
EC_Consumer::EC_Consumer (CORBA::ORB_var orb,
RtecEventChannelAdmin::EventChannel_var ec)
: n_events_ (0),
orb_ (orb),
ec_ (ec)
{
}
void
EC_Consumer::push (const RtecEventComm::EventSet &events)
{
for (CORBA::ULong i = 0; i < events.length (); ++i)
{
++this->n_events_;
ACE_DEBUG ((LM_DEBUG, " Received event\n"));
}
if (this->n_events_ >= 100)
this->disconnect ();
}
void
EC_Consumer::disconnect_push_consumer (void)
{
}
void
EC_Consumer::disconnect (void)
{
if (this->n_events_ == 100)
{
ACE_DEBUG ((LM_DEBUG,
"SUCCESS: consumer received 100 events, as expected\n"));
}
this->ec_->destroy ();
this->orb_->shutdown (0);
}
////////////////////////////////////////////////////////////
int
check_for_nil (CORBA::Object_ptr obj, const char *message)
{
if (CORBA::is_nil (obj))
ACE_ERROR_RETURN ((LM_ERROR,
"ERROR: Object reference <%s> is nil\n",
message),
-1);
else
return 0;
}
int
parse_args (int /* argc */, char ** /* argv */)
{
return 0;
}
int
main (int argc, char *argv[])
{
try
{
// Initialize ORB and POA, POA Manager, parse args.
CORBA::ORB_var orb =
CORBA::ORB_init (argc, argv);
if (parse_args (argc, argv) == -1)
return 1;
CORBA::Object_var obj =
orb->resolve_initial_references ("RootPOA");
PortableServer::POA_var poa =
PortableServer::POA::_narrow (obj.in ());
if (check_for_nil (poa.in (), "POA") == -1)
return 1;
PortableServer::POAManager_var manager =
poa->the_POAManager ();
// Obtain reference to EC.
obj = orb->resolve_initial_references ("Event_Service");
RtecEventChannelAdmin::EventChannel_var ec =
RtecEventChannelAdmin::EventChannel::_narrow (obj.in ());
if (check_for_nil (ec.in (), "EC") == -1)
return 1;
// Create the consumer and register it with POA.
TAO_EC_Servant_Var<EC_Consumer> consumer_impl =
new EC_Consumer (orb, ec);
if (!consumer_impl.in ())
return 1;
RtecEventComm::PushConsumer_var consumer;
TAO_EC_Object_Deactivator consumer_deactivator;
activate (consumer,
poa.in (),
consumer_impl.in (),
consumer_deactivator);
consumer_deactivator.disallow_deactivation ();
// Obtain reference to ConsumerAdmin.
RtecEventChannelAdmin::ConsumerAdmin_var consumer_admin =
ec->for_consumers ();
// Obtain ProxyPushSupplier and connect this consumer.
RtecEventChannelAdmin::ProxyPushSupplier_var supplier =
consumer_admin->obtain_push_supplier ();
ACE_ConsumerQOS_Factory qos;
qos.start_disjunction_group (1);
qos.insert_type (ACE_ES_EVENT_ANY, 0);
supplier->connect_push_consumer (consumer.in (),
qos.get_ConsumerQOS ());
// Allow processing of CORBA requests.
manager->activate ();
// Receive events from EC.
orb->run ();
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception ("Exception in Consumer:");
return 1;
}
return 0;
}
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