void
Peer_Base::connect (Federated_Test::Peer_ptr remote_peer)
{
ACE_DEBUG ((LM_DEBUG, "(%P|%t) Connecting....\n"));
CORBA::Object_var remote_ec_object =
remote_peer->channel ();
RtecEventChannelAdmin::EventChannel_var remote_ec =
RtecEventChannelAdmin::EventChannel::_narrow (remote_ec_object.in ());
Servant_var<TAO_EC_Gateway_IIOP> gateway (new TAO_EC_Gateway_IIOP);
gateway->init (remote_ec.in (),
this->event_channel_.in ());
RtecEventChannelAdmin::Observer_var observer =
gateway->_this ();
RtecEventChannelAdmin::Observer_Handle h =
this->event_channel_->append_observer (observer.in ());
gateway->observer_handle (h);
}
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 ACE_TCHAR* ecname = ACE_TEXT ("EventService");
const ACE_TCHAR* remote_ecname = 0;
const ACE_TCHAR* 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 ());
PortableServer::Servant_var<TAO_EC_Event_Channel> ec_impl =
new TAO_EC_Event_Channel(attributes);
ec_impl->activate ();
PortableServer::ObjectId_var oid = poa->activate_object(ec_impl.in());
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 (ACE_TEXT_ALWAYS_CHAR (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.
PortableServer::Servant_var<EchoEventSupplier_i> servant =
new EchoEventSupplier_i(orb.in());
// Register it with the RootPOA.
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 ());
// Create an event (just a string in this case).
const CORBA::String_var eventData = CORBA::string_dup (ACE_TEXT_ALWAYS_CHAR (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;
PortableServer::Servant_var<TAO_EC_Gateway_IIOP> gateway =
new TAO_EC_Gateway_IIOP;
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 (ACE_TEXT_ALWAYS_CHAR (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.in());
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( ACE_TEXT_ALWAYS_CHAR(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;
}
int
Gateway::run (int argc, ACE_TCHAR* argv[])
{
TAO_EC_Gateway_IIOP_Factory::init_svcs ();
try
{
// First parse our command line options
if (this->parse_args(argc, argv) != 0)
{
return -1;
}
// ORB initialization boiler plate...
CORBA::ORB_var orb =
CORBA::ORB_init (argc, argv);
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 ();
// Obtain the event channel from the naming service
CORBA::Object_var naming_obj =
orb->resolve_initial_references ("NameService");
if (CORBA::is_nil (naming_obj.in ()))
ACE_ERROR_RETURN ((LM_ERROR,
" (%P|%t) Unable to get the Naming Service.\n"),
1);
CosNaming::NamingContext_var naming_context =
CosNaming::NamingContext::_narrow (naming_obj.in ());
CosNaming::Name supplierecname (1);
supplierecname.length (1);
supplierecname[0].id = CORBA::string_dup (ACE_TEXT_ALWAYS_CHAR(supplierec));
CORBA::Object_var supplierec_obj =
naming_context->resolve (supplierecname);
CosNaming::Name consumerecname (1);
consumerecname.length (1);
consumerecname[0].id = CORBA::string_dup (ACE_TEXT_ALWAYS_CHAR(consumerec));
CORBA::Object_var consumerec_obj =
naming_context->resolve (consumerecname);
RtecEventChannelAdmin::EventChannel_var supplier_event_channel =
RtecEventChannelAdmin::EventChannel::_narrow (supplierec_obj.in ());
if (CORBA::is_nil (supplier_event_channel.in ()))
ACE_ERROR_RETURN ((LM_ERROR,
" (%P|%t) Unable to get the supplier event channel.\n"),
1);
RtecEventChannelAdmin::EventChannel_var consumer_event_channel =
RtecEventChannelAdmin::EventChannel::_narrow (consumerec_obj.in ());
if (CORBA::is_nil (consumer_event_channel.in ()))
ACE_ERROR_RETURN ((LM_ERROR,
" (%P|%t) Unable to get the consumer event channel.\n"),
1);
TAO_EC_Gateway_IIOP gateway;
gateway.init(supplier_event_channel.in(), consumer_event_channel.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 =
consumer_event_channel->append_observer (obs.in ());
// Wait for events, using work_pending()/perform_work() may help
// or using another thread, this example is too simple for that.
orb->run ();
consumer_event_channel->remove_observer (local_ec_obs_handle);
poa->deactivate_object (gateway_oid.in ());
// Destroy the POA
poa->destroy (1, 0);
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception ("Gateway::run");
return 1;
}
return 0;
}
