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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 "orbsvcs/Event/EC_Event_Channel.h"
#include "orbsvcs/Event/EC_Gateway_IIOP.h"
#include "orbsvcs/Event/EC_Default_Factory.h"
#include "ace/Thread_Manager.h"
#include <iostream>
#include <fstream>
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;
ACE_THR_FUNC_RETURN orb_thread(void *orb_ptr)
{
CORBA::ORB_var orb = CORBA::ORB::_duplicate((CORBA::ORB_ptr) orb_ptr);
orb->run();
return 0;
}
int ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
try
{
// Initialize the EC Factory so we can customize the EC
TAO_EC_Default_Factory::init_svcs ();
// Initialize the ORB.
CORBA::ORB_var orb = CORBA::ORB_init(argc, argv);
const char* ecname = "EventService";
const char* remote_ecname = 0;
const char* iorfile = 0;
for (int i = 0; argv[i] != 0; i++) {
if (ACE_OS::strcmp(argv[i], ACE_TEXT("-ecname")) == 0) {
if (argv[i+1] != 0) {
i++;
ecname = argv[i];
} else {
std::cerr << "Missing Event channel name" << std::endl;
}
}
if (ACE_OS::strcmp(argv[i], ACE_TEXT("-gateway")) == 0) {
if (argv[i+1] != 0) {
i++;
remote_ecname = argv[i];
} else {
std::cerr << "Missing Event channel name" << std::endl;
}
}
if (ACE_OS::strcmp(argv[i], ACE_TEXT("-iorfile")) == 0) {
if (argv[i+1] != 0) {
i++;
iorfile = argv[i];
}
}
}
// Get the POA
CORBA::Object_var object = orb->resolve_initial_references ("RootPOA");
PortableServer::POA_var poa = PortableServer::POA::_narrow (object.in ());
PortableServer::POAManager_var poa_manager = poa->the_POAManager ();
poa_manager->activate ();
// Spawn a thread for the orb
ACE_Thread_Manager *thread_mgr = ACE_Thread_Manager::instance();
thread_mgr->spawn(orb_thread, orb.in());
// Create a local event channel and register it with the RootPOA.
TAO_EC_Event_Channel_Attributes attributes (poa.in (), poa.in ());
TAO_EC_Event_Channel ec_impl (attributes);
ec_impl.activate ();
PortableServer::ObjectId_var oid = poa->activate_object(&ec_impl);
CORBA::Object_var ec_obj = poa->id_to_reference(oid.in());
RtecEventChannelAdmin::EventChannel_var ec =
RtecEventChannelAdmin::EventChannel::_narrow(ec_obj.in());
// Find the Naming Service.
object = orb->resolve_initial_references("NameService");
CosNaming::NamingContextExt_var root_context = CosNaming::NamingContextExt::_narrow(object.in());
CosNaming::Name_var name = root_context->to_name(ecname);
root_context->rebind(name.in(), ec.in());
// 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();
// Instantiate an EchoEventSupplier_i servant.
EchoEventSupplier_i servant(orb.in());
// Register it with the RootPOA.
oid = poa->activate_object(&servant);
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 ());
// Create an event (just a string in this case).
const CORBA::String_var eventData = CORBA::string_dup(ecname);
// Create an event set for one event
RtecEventComm::EventSet event (1);
event.length (1);
// Initialize event header.
event[0].header.source = MY_SOURCE_ID;
event[0].header.ttl = 1;
event[0].header.type = MY_EVENT_TYPE;
// Initialize data fields in event.
event[0].data.any_value <<= eventData;
TAO_EC_Gateway_IIOP gateway;
int gateway_initialized = 0;
std::cout << "Supplier starting sending of events.\n";
while (1) {
consumer->push (event);
ACE_Time_Value tv(0, 1000 * EVENT_DELAY_MS);
orb->run(tv);
if ((remote_ecname != 0) && (!gateway_initialized)) {
try {
// Get the remote event channel object
CORBA::Object_var obj = root_context->resolve_str(remote_ecname);
RtecEventChannelAdmin::EventChannel_var remote_ec =
RtecEventChannelAdmin::EventChannel::_narrow(obj.in());
int ok = 0;
if (!CORBA::is_nil(remote_ec.in())) {
// Now check if we can talk to it...
try {
RtecEventChannelAdmin::SupplierAdmin_var adm =
remote_ec->for_suppliers();
ok = 1;
} catch(const CORBA::UserException&) {
// What is the correct exception(s) to catch here?
}
}
// There is a good remote event channel so initialize the
// gateway.
if (ok) {
gateway.init(remote_ec.in(), ec.in());
PortableServer::ObjectId_var gateway_oid =
poa->activate_object(&gateway);
CORBA::Object_var gateway_obj =
poa->id_to_reference(gateway_oid.in());
RtecEventChannelAdmin::Observer_var obs =
RtecEventChannelAdmin::Observer::_narrow(gateway_obj.in());
RtecEventChannelAdmin::Observer_Handle local_ec_obs_handle =
ec->append_observer (obs.in ());
ACE_UNUSED_ARG (local_ec_obs_handle);
gateway_initialized = 1;
std::cout << "Gateway initialized\n";
if (iorfile != 0) {
CORBA::String_var str = orb->object_to_string( ec.in() );
std::ofstream iorFile( iorfile );
iorFile << str.in() << std::endl;
iorFile.close();
}
}
} catch(const CosNaming::NamingContext::NotFound&) {
// Try again later...
}
}
}
orb->destroy();
return 0;
}
catch(const CORBA::Exception& exc)
{
std::cerr << "Caught CORBA::Exception" << std::endl << exc << std::endl;
}
return 1;
}
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