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// $Id$
// EchoEventSupplierMain.cpp
// Main program for a PushSupplier of Echo events.
#include "EchoEventSupplier_i.h"
#include "orbsvcs/RtecEventCommC.h"
#include "orbsvcs/RtecEventChannelAdminC.h"
#include "orbsvcs/Time_Utilities.h"
#include "orbsvcs/Event_Utilities.h"
#include "orbsvcs/CosNamingC.h"
#include <iostream>
const RtecEventComm::EventSourceID MY_SOURCE_ID = ACE_ES_EVENT_SOURCE_ANY + 1;
const RtecEventComm::EventType MY_EVENT_TYPE = ACE_ES_EVENT_UNDEFINED + 1;
const int EVENT_DELAY_MS = 10;
int ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
try
{
// Initialize the ORB.
CORBA::ORB_var orb = CORBA::ORB_init(argc, argv);
// Find the Naming Service.
CORBA::Object_var obj = orb->resolve_initial_references("NameService");
CosNaming::NamingContextExt_var root_context = CosNaming::NamingContextExt::_narrow(obj.in());
// Get the Event Channel using Naming Services
obj = root_context->resolve_str("EventService");
// Downcast the object reference to an EventChannel reference.
RtecEventChannelAdmin::EventChannel_var ec =
RtecEventChannelAdmin::EventChannel::_narrow(obj.in());
if (CORBA::is_nil(ec.in())) {
std::cerr << "Could not resolve EchoEventChannel." << std::endl;
return 1;
}
// Get a SupplierAdmin object from the EventChannel.
RtecEventChannelAdmin::SupplierAdmin_var admin = ec->for_suppliers();
// Get a ProxyPushConsumer from the SupplierAdmin.
RtecEventChannelAdmin::ProxyPushConsumer_var consumer =
admin->obtain_push_consumer();
// Get the RootPOA.
obj = orb->resolve_initial_references("RootPOA");
PortableServer::POA_var poa = PortableServer::POA::_narrow(obj.in());
// Instantiate an EchoEventSupplier_i servant.
PortableServer::Servant_var<EchoEventSupplier_i> servant =
new EchoEventSupplier_i(orb.in());
// Register it with the RootPOA.
PortableServer::ObjectId_var oid = poa->activate_object(servant.in());
CORBA::Object_var supplier_obj = poa->id_to_reference(oid.in());
RtecEventComm::PushSupplier_var supplier =
RtecEventComm::PushSupplier::_narrow(supplier_obj.in());
// Publish the events the supplier provides.
ACE_SupplierQOS_Factory qos;
qos.insert (MY_SOURCE_ID, // Supplier's unique id
MY_EVENT_TYPE, // Event type
0, // handle to the rt_info structure
1); // number of calls
// Connect as a supplier of the published events.
consumer->connect_push_supplier (supplier.in (),
qos.get_SupplierQOS ());
// Activate the POA via its POAManager.
PortableServer::POAManager_var poa_manager = poa->the_POAManager();
poa_manager->activate();
// Create an event (just a string in this case).
const CORBA::String_var eventData = CORBA::string_dup("Hello, world.");
// Create an event set for one event
RtecEventComm::EventSet events (1);
events.length (1);
// Initialize event header.
events[0].header.source = MY_SOURCE_ID;
events[0].header.type = MY_EVENT_TYPE;
// Initialize data fields in event.
events[0].data.any_value <<= eventData;
std::cout << "Supplier starting sending of events" << std::endl;
while (1) {
consumer->push (events);
ACE_Time_Value tv(0, 1000 * EVENT_DELAY_MS);
orb->run(tv);
}
orb->destroy();
return 0;
}
catch(const CORBA::Exception& ex)
{
std::cerr << "Supplier::main() Caught CORBA::Exception" << std::endl << ex << std::endl;
}
return 1;
}
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