diff options
Diffstat (limited to 'ACE/TAO/orbsvcs/DevGuideExamples/EventServices/RTEC_Filter/EchoEventSupplierMain.cpp')
-rw-r--r-- | ACE/TAO/orbsvcs/DevGuideExamples/EventServices/RTEC_Filter/EchoEventSupplierMain.cpp | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/ACE/TAO/orbsvcs/DevGuideExamples/EventServices/RTEC_Filter/EchoEventSupplierMain.cpp b/ACE/TAO/orbsvcs/DevGuideExamples/EventServices/RTEC_Filter/EchoEventSupplierMain.cpp new file mode 100644 index 00000000000..f166a3d1257 --- /dev/null +++ b/ACE/TAO/orbsvcs/DevGuideExamples/EventServices/RTEC_Filter/EchoEventSupplierMain.cpp @@ -0,0 +1,121 @@ +// $Id$ + +// EchoEventSupplierMain.cpp +// Main program for a PushSupplier of Echo events. + +#include "EchoEventSupplier_i.h" + +#include "orbsvcs/RtecEventCommC.h"// for Event Communication interfaces +#include "orbsvcs/RtecEventChannelAdminC.h" +#include "orbsvcs/Time_Utilities.h" +#include "orbsvcs/Event_Utilities.h" +#include "orbsvcs/CosNamingC.h"// for Naming Service interfaces + +#include <iostream> +const RtecEventComm::EventSourceID MY_SOURCE_ID_START = ACE_ES_EVENT_SOURCE_ANY + 1; +const RtecEventComm::EventSourceID MY_SOURCE_ID_END = ACE_ES_EVENT_SOURCE_ANY + 3; +const RtecEventComm::EventType MY_EVENT_START = ACE_ES_EVENT_UNDEFINED + 1; +const RtecEventComm::EventType MY_EVENT_END = ACE_ES_EVENT_UNDEFINED + 4; + +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 EchoEventConsumer_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; + RtecEventComm::EventSourceID supplier_id = MY_SOURCE_ID_START; + for (; supplier_id <= MY_SOURCE_ID_END; ++supplier_id) { + RtecEventComm::EventType event_type = MY_EVENT_START; + for (; event_type <= MY_EVENT_END; ++event_type) + { + qos.insert (supplier_id, 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 ()); + + // 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 event (1); + event.length (1); + + // Initialize event header. + event[0].header.source = MY_SOURCE_ID_START; + event[0].header.type = MY_EVENT_START; + + // Initialize data fields in event. + event[0].data.any_value <<= eventData; + + std::cout << "Supplier starting sending events.\n"; + while (1) { + + event[0].header.type++; + if (event[0].header.type > MY_EVENT_END) { + event[0].header.type = MY_EVENT_START; + } + event[0].header.source++; + if (event[0].header.source > MY_SOURCE_ID_END) { + event[0].header.source = MY_SOURCE_ID_START; + } + consumer->push (event); + + ACE_Time_Value tv(0, EVENT_DELAY_MS * 1000); + orb->run(tv); + } + + orb->destroy(); + + return 0; + } + catch(const CORBA::Exception& exc) + { + std::cerr << "Caught CORBA::Exception" << std::endl << exc << std::endl; + } + + return 1; +} |