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// $Id$
//
// ============================================================================
//
//
// = FILENAME
// Display_Push_Consumer.java
//
// = AUTHOR
// Michael Kircher (mk1@cs.wustl.edu)
//
// = DESCRIPTION
// Implemenation of a PushConsumer
//
//
// ============================================================================
// The Consumer has to implement the Skeleton Consumer
public class Display_Push_Consumer extends RtecEventComm._PushConsumerImplBase
{
public static final int ACE_ES_EVENT_ANY = 0;
public static final int ACE_ES_EVENT_SHUTDOWN = 1;
public static final int ACE_ES_EVENT_ACT = 2;
public static final int ACE_ES_EVENT_NOTIFICATION = 3;
public static final int ACE_ES_EVENT_TIMEOUT = 4;
public static final int ACE_ES_EVENT_INTERVAL_TIMEOUT = 5;
public static final int ACE_ES_EVENT_DEADLINE_TIMEOUT = 6;
public static final int ACE_ES_GLOBAL_DESIGNATOR = 7;
public static final int ACE_ES_CONJUNCTION_DESIGNATOR = 8;
public static final int ACE_ES_DISJUNCTION_DESIGNATOR = 9;
public static final int ACE_ES_EVENT_UNDEFINED = 16;
public static final int TOTAL_MESSAGES = 30;
// Store the number of received events
private int total_received_ = 0;
private org.omg.CORBA.ORB orb_;
private Navigation navigation_;
private Weapons weapons_;
private Display display_;
private RtecScheduler.handle_tHolder rt_info_;
private RtecEventChannelAdmin.EventChannel channel_admin_;
private RtecEventChannelAdmin.ConsumerAdmin consumer_admin_;
private RtecEventChannelAdmin.ProxyPushSupplier suppliers_;
public Display_Push_Consumer (org.omg.CORBA.ORB orb, Display display)
{
orb_ = orb;
display_ = display;
}
public void push (RtecEventComm.Event[] events)
{
//if (total_received_ < 5)
// System.out.println ("Demo Consumer: Received an event! ->Number: " + total_received_);
//else if (total_received_ == 5)
// System.out.println ("Demo Consumer: Everything is fine. Going to be mute.");
if (events.length == 0)
{
System.err.println ("No events");
}
else
{
total_received_++;
/*
if (total_received_ >= TOTAL_MESSAGES)
{
orb.disconnect (this);
System.exit (0);
}
*/
for (int i = 0; i < events.length; ++i)
{
if(events[i].type_ == ACE_ES_EVENT_NOTIFICATION)
{
try
{
if (events[i].data_.any_value.type().equal (NavigationHelper.type()))
{
navigation_ = NavigationHelper.extract (events[i].data_.any_value);
display_.update_metrics (navigation_.utilitzation,
navigation_.overhead,
navigation_.arrival_time,
navigation_.deadline_time,
navigation_.completion_time,
navigation_.computation_time);
display_.update_simulation (Display_Object_Factory.ART_HORIZON_ENUM, this);
}
else if (events[i].data_.any_value.type().equal (WeaponsHelper.type()))
{
weapons_ = WeaponsHelper.extract (events[i].data_.any_value);
display_.update_metrics (weapons_.utilitzation,
weapons_.overhead,
weapons_.arrival_time,
weapons_.deadline_time,
weapons_.completion_time,
weapons_.computation_time);
display_.update_simulation (Display_Object_Factory.WEAPONS_ENUM, this);
}
else
{
System.out.println ("Demo Consumer: Received an event! ->Number: " + total_received_);
System.out.println (">>TypeCode in the any does not match!");
System.out.println ("Id: " + events[i].data_.any_value.type().id ());
System.out.println ("Name: " + events[i].data_.any_value.type().name ());
System.out.println ("Kind: " + events[i].data_.any_value.type().kind ());
}
}
catch (org.omg.CORBA.TypeCodePackage.BadKind e)
{
System.err.println (e);
}
catch(org.omg.CORBA.SystemException e)
{
System.err.println(e);
}
}
}
}
}
public void disconnect_push_consumer()
{
System.out.println ("Demo Consumer: Have to disconnect!");
}
public void open_consumer (RtecEventChannelAdmin.EventChannel event_channel_,
RtecScheduler.Scheduler scheduler_,
String name)
{
try {
// Define Real-time information
rt_info_ = new RtecScheduler.handle_tHolder (scheduler_.create (name));
scheduler_.set (rt_info_.value,
new TimeBase.ulonglong (0,0),
new TimeBase.ulonglong (0,0),
new TimeBase.ulonglong (0,0),
2500000, // period
RtecScheduler.Importance.VERY_LOW,
new TimeBase.ulonglong (0,0),
1);
// Register for Notification and Shutdown events
RtecEventComm.Event disjunction_designator_ =
new RtecEventComm.Event (ACE_ES_DISJUNCTION_DESIGNATOR, 0,
1, // ttl
new TimeBase.ulonglong (0,0),
new TimeBase.ulonglong (0,0),
new TimeBase.ulonglong (0,0),
new RtecEventComm.EventData (0, 0, orb_.create_any())
);
RtecEventComm.Event notification_event_ =
new RtecEventComm.Event (ACE_ES_EVENT_NOTIFICATION, 0,
1, // ttl
new TimeBase.ulonglong (0,0),
new TimeBase.ulonglong (0,0),
new TimeBase.ulonglong (0,0),
new RtecEventComm.EventData (0, 0, orb_.create_any())
);
RtecEventComm.Event shutdown_event_ =
new RtecEventComm.Event (ACE_ES_EVENT_SHUTDOWN, 0,
1, // ttl
new TimeBase.ulonglong (0,0),
new TimeBase.ulonglong (0,0),
new TimeBase.ulonglong (0,0),
new RtecEventComm.EventData (0, 0, orb_.create_any())
);
RtecEventChannelAdmin.Dependency dependencies_[] = new RtecEventChannelAdmin.Dependency[3];
dependencies_[0] = new RtecEventChannelAdmin.Dependency (disjunction_designator_, rt_info_.value);
dependencies_[1] = new RtecEventChannelAdmin.Dependency (notification_event_, rt_info_.value);
dependencies_[2] = new RtecEventChannelAdmin.Dependency (shutdown_event_, rt_info_.value);
RtecEventChannelAdmin.ConsumerQOS qos = new RtecEventChannelAdmin.ConsumerQOS (dependencies_);
// The channel administrator is the event channel we got from the invocation
// of this routine
channel_admin_ = event_channel_;
// Connect as a consumer
consumer_admin_ = channel_admin_.for_consumers ();
// Obtain a reference to the proxy push supplier
suppliers_ = consumer_admin_.obtain_push_supplier ();
suppliers_.connect_push_consumer (this, qos);
System.out.println ("Registered the consumer successfully.");
}
catch (RtecScheduler.UNKNOWN_TASK e)
{
System.err.println ("Demo_Consumer.open_consumer: Unknown task");
System.err.println (e);
}
catch (RtecScheduler.DUPLICATE_NAME e)
{
System.err.println ("Demo_Consumer.open_consumer: Duplicate names");
System.err.println (e);
}
catch(org.omg.CORBA.SystemException e)
{
System.err.println(e);
}
}
public Navigation get_navigation ()
{
return navigation_;
}
public Weapons get_weapons ()
{
return weapons_;
}
}
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