void
TAO_Notify_StructuredProxyPushConsumer::load_attrs (const TAO_Notify::NVPList& attrs)
{
SuperClass::load_attrs(attrs);
ACE_CString ior;
if (attrs.load("PeerIOR", ior))
{
CORBA::ORB_var orb = TAO_Notify_PROPERTIES::instance()->orb();
try
{
CosNotifyComm::StructuredPushSupplier_var ps = CosNotifyComm::StructuredPushSupplier::_nil();
if ( ior.length() > 0 )
{
CORBA::Object_var obj = orb->string_to_object(ior.c_str());
ps = CosNotifyComm::StructuredPushSupplier::_unchecked_narrow(obj.in());
}
// minor hack: suppress generating subscription updates during reload.
bool save_updates = this->updates_off_;
this->updates_off_ = true;
this->connect_structured_push_supplier(ps.in());
this->updates_off_ = save_updates;
}
catch (const CORBA::Exception&)
{
// if we can't reconnect to peer, tough...
}
}
}
void
TAO_Notify_ThreadPool_Supplier::connect (void)
{
// Activate the supplier object.
CosNotifyComm::StructuredPushSupplier_var objref = this->_this ();
CosNotifyChannelAdmin::ProxyConsumer_var proxyconsumer;
if (this->proxy_consumer_thread_count_ != 0)
{
// Narrow to the extended interface.
NotifyExt::SupplierAdmin_var admin_ext = NotifyExt::SupplierAdmin::_narrow (this->admin_.in ());
NotifyExt::ThreadPoolParams tp_params = { NotifyExt::CLIENT_PROPAGATED, 0,
0, static_cast<CORBA::ULong> (this->proxy_consumer_thread_count_),
0, 0, 0, 0, 0 };
CosNotification::QoSProperties qos (1);
qos.length (1);
qos[0].name = CORBA::string_dup (NotifyExt::ThreadPool);
qos[0].value <<= tp_params;
// Obtain the proxy. The QoS is applied to the POA in which the Proxy is hosted.
proxyconsumer = admin_ext->obtain_notification_push_consumer_with_qos (CosNotifyChannelAdmin::STRUCTURED_EVENT
, proxy_consumer_id_, qos);
}
else
{
// Obtain the proxy.
proxyconsumer = this->admin_->obtain_notification_push_consumer (CosNotifyChannelAdmin::STRUCTURED_EVENT
, proxy_consumer_id_);
}
ACE_ASSERT (!CORBA::is_nil (proxyconsumer.in ()));
// narrow
this->proxy_consumer_ =
CosNotifyChannelAdmin::StructuredProxyPushConsumer::_narrow (proxyconsumer.in ());
ACE_ASSERT (!CORBA::is_nil (proxy_consumer_.in ()));
// connect to the proxyconsumer.
proxy_consumer_->connect_structured_push_supplier (objref.in ());
ACE_DEBUG ((LM_DEBUG, "(%P,%t) Created Supplier %d with %d threads at the ProxyConsumer\n", proxy_consumer_id_,
this->proxy_consumer_thread_count_));
}
void
Notify_Push_Supplier::_connect (
CosNotifyChannelAdmin::SupplierAdmin_ptr supplier_admin,
CosNotifyChannelAdmin::EventChannel_ptr notify_channel,
bool useFilter)
{
CosNotifyComm::StructuredPushSupplier_var objref =
this->_this ();
CosNotifyChannelAdmin::ProxyConsumer_var proxyconsumer =
supplier_admin->obtain_notification_push_consumer (
CosNotifyChannelAdmin::STRUCTURED_EVENT,
proxy_id_);
if (useFilter)
{
CosNotifyFilter::FilterFactory_var ffact =
notify_channel->default_filter_factory ();
CosNotifyFilter::Filter_var filter =
ffact->create_filter ("TCL");
ACE_ASSERT(! CORBA::is_nil (filter.in ()));
CosNotifyFilter::ConstraintExpSeq constraint_list (1);
constraint_list.length (1);
constraint_list[0].event_types.length (0);
constraint_list[0].constraint_expr = CORBA::string_dup ("group != 0");
filter->add_constraints (constraint_list);
proxyconsumer->add_filter (filter.in ());
}
this->proxy_ =
CosNotifyChannelAdmin::StructuredProxyPushConsumer::_narrow (
proxyconsumer.in ());
this->proxy_->connect_structured_push_supplier (objref.in ());
// give ownership to POA
this->_remove_ref ();
}
void
TAO_Notify_Lanes_Supplier_Client::write_ior (void)
{
CosNotifyComm::StructuredPushSupplier_var objref = this->supplier_->_this ();
// Write the ior to a file to signal waiting consumers.
FILE *ior_output_file = ACE_OS::fopen (this->ior_file_name_.c_str (), ACE_TEXT("w"));
if (ior_output_file != 0)
{
CORBA::String_var str =
this->orb_objects_.orb_->object_to_string (objref.in ());
ACE_OS::fprintf (ior_output_file,
"%s",
str.in ());
ACE_OS::fclose (ior_output_file);
}
}
void
Filter_StructuredPushSupplier::connect (CosNotifyChannelAdmin::SupplierAdmin_ptr supplier_admin)
{
CosNotifyComm::StructuredPushSupplier_var objref =
this->_this ();
CosNotifyChannelAdmin::ProxyConsumer_var proxyconsumer =
supplier_admin->obtain_notification_push_consumer (CosNotifyChannelAdmin::STRUCTURED_EVENT, proxy_consumer_id_);
ACE_ASSERT (!CORBA::is_nil (proxyconsumer.in ()));
// narrow
this->proxy_consumer_ =
CosNotifyChannelAdmin::StructuredProxyPushConsumer::_narrow (proxyconsumer.in ());
ACE_ASSERT (!CORBA::is_nil (proxy_consumer_.in ()));
proxy_consumer_->connect_structured_push_supplier (objref.in ());
}
void
TAO_Notify_Lanes_Supplier::connect (void)
{
// Activate the supplier object.
CosNotifyComm::StructuredPushSupplier_var objref = this->_this ();
// Obtain the proxy.
CosNotifyChannelAdmin::ProxyConsumer_var proxyconsumer =
this->admin_->obtain_notification_push_consumer (CosNotifyChannelAdmin::STRUCTURED_EVENT
, proxy_consumer_id_);
ACE_ASSERT (!CORBA::is_nil (proxyconsumer.in ()));
// narrow
this->proxy_consumer_ =
CosNotifyChannelAdmin::StructuredProxyPushConsumer::_narrow (proxyconsumer.in ());
ACE_ASSERT (!CORBA::is_nil (proxy_consumer_.in ()));
// connect to the proxyconsumer.
proxy_consumer_->connect_structured_push_supplier (objref.in ());
}
int ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
try
{
PortableServer::POAManager_var poa_manager;
CORBA::ORB_var orb = CORBA::ORB_init(argc, argv);
CORBA::Object_var poa_obj = orb->resolve_initial_references("RootPOA");
PortableServer::POA_var root_poa = PortableServer::POA::_narrow(poa_obj.in());
poa_manager = root_poa->the_POAManager();
poa_manager->activate();
/*Get event_channel*/
std::cout << "Create event_channel now" << std::endl;
CosNotifyChannelAdmin::EventChannel_var ec = get_event_channel(orb.in());
//Instanciating the Supplier
CosNotifyComm::StructuredPushSupplier_var sps =
CosNotifyComm::StructuredPushSupplier::_nil();
CosNotifyCommImpl::StructuredPushSupplier *pImpl_sps = new CosNotifyCommImpl::StructuredPushSupplier;
sps = pImpl_sps->_this();
//Obtain a Supplier Admin
CosNotifyChannelAdmin::SupplierAdmin_var sa = ec->default_supplier_admin();
if( sa.in() == CosNotifyChannelAdmin::SupplierAdmin::_nil() ){
std::cerr << "sa is nil!" << std::endl;
return 1;
}
//Obtain a Proxy Consumer
CosNotifyChannelAdmin::ProxyID proxy_id;
CosNotifyChannelAdmin::ClientType ctype = CosNotifyChannelAdmin::STRUCTURED_EVENT;
CosNotifyChannelAdmin::ProxyConsumer_var proxyCon_obj;
try
{
proxyCon_obj = sa->obtain_notification_push_consumer(ctype, proxy_id);
}
catch(CosNotifyChannelAdmin::AdminLimitExceeded err)
{
std::cerr << "CosNotifyChannelAdmin::AdminLimitExceeded Exception!" << std::endl;
throw;
}
CosNotifyChannelAdmin::StructuredProxyPushConsumer_var ppc =
CosNotifyChannelAdmin::StructuredProxyPushConsumer::_narrow(proxyCon_obj.in());
//Connecting a Supplier to a Proxy Consumer
try
{
ppc->connect_structured_push_supplier(sps.in());
}
catch (CosEventChannelAdmin::AlreadyConnected ac)
{
std::cerr << "CosEventChannelAdmin::AlreadyConnected" << std::endl;
throw;
}
catch (CORBA::SystemException& se)
{
std::cerr << "System exception occurred during connect: " <<
se << std::endl;
throw;
}
//Demo::demo_send_heart_beat(ppc);
//Send a Demo Notification
CosNotification::StructuredEvent event;
event.header.fixed_header.event_type.domain_name =
CORBA::string_dup("Test_domain");
event.header.fixed_header.event_type.type_name =
CORBA::string_dup("Test_type_name");
event.header.variable_header.length(0);
event.remainder_of_body <<= "";
std::cout << "Sending a demo event...," << std::endl;
std::cout << "event.header.fixed_header.event_type.domain_name = "
<< event.header.fixed_header.event_type.domain_name
<< std::endl;
std::cout << "event.header.fixed_header.event_type.type_name = "
<< event.header.fixed_header.event_type.type_name
<< std::endl;
try{
ppc->push_structured_event(event);
}
catch (CORBA::SystemException& se)
{
std::cerr << "System exception occurred during push: "
<< se << std::endl;
throw;
}
catch (CORBA::Exception&)
{
std::cerr << "Unknown exception occurred during push" << std::endl;
throw;
}
try{
ppc->disconnect_structured_push_consumer();
}
catch(CORBA::Exception&)
{
std::cerr << "Disconnect fail!" << std::endl;
}
orb->shutdown();
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Supplier done.\n")));
}
catch(...)
{
std::cerr << "Supplier: Some exceptions was caught!" << std::endl;
return 1;
}
return 0;
}
int ACE_TMAIN(int argc, ACE_TCHAR * argv[])
{
try
{
CORBA::ORB_var orb = CORBA::ORB_init(argc, argv);
CORBA::Object_var rootObj = orb->resolve_initial_references("NameService");
CosNaming::NamingContext_var rootNC =
CosNaming::NamingContext::_narrow(rootObj.in());
// Get reference to Root POA.
CORBA::Object_var obj = orb->resolve_initial_references("RootPOA");
PortableServer::POA_var poa = PortableServer::POA::_narrow(obj.in());
// Activate POA manager
PortableServer::POAManager_var mgr = poa->the_POAManager();
mgr->activate();
// Create an Event Channel factory.
CosNotifyChannelAdmin::EventChannelFactory_var notify_factory =
TAO_Notify_EventChannelFactory_i::create(poa.in());
ACE_ASSERT (!CORBA::is_nil (notify_factory.in ()));
// Create an Event Channel.
CosNotifyChannelAdmin::ChannelID id;
CosNotification::QoSProperties initial_qos;
CosNotification::AdminProperties initial_admin;
CosNotifyChannelAdmin::EventChannel_var ec =
notify_factory->create_channel (initial_qos, initial_admin, id);
// Bind it in the Naming Service.
CosNaming::Name name(1);
name.length(1);
name[0].id = CORBA::string_dup("MyEventChannel");
rootNC->rebind(name, ec.in());
// Become a structured push supplier.
CosNotifyChannelAdmin::AdminID adminid;
CosNotifyChannelAdmin::InterFilterGroupOperator ifgop =
CosNotifyChannelAdmin::AND_OP;
CosNotifyChannelAdmin::SupplierAdmin_var supplier_admin =
ec->new_for_suppliers (ifgop, adminid);
CosNotifyChannelAdmin::ProxyID supplieradmin_proxy_id;
CosNotifyChannelAdmin::ProxyConsumer_var proxy_consumer =
supplier_admin->obtain_notification_push_consumer(
CosNotifyChannelAdmin::STRUCTURED_EVENT,
supplieradmin_proxy_id);
StructuredEventSupplier_i *servant =
new StructuredEventSupplier_i(orb.in());
CosNotifyComm::StructuredPushSupplier_var supplier = servant->_this();
CosNotifyChannelAdmin::StructuredProxyPushConsumer_var consumer_proxy =
CosNotifyChannelAdmin::StructuredProxyPushConsumer::_narrow(
proxy_consumer.in());
consumer_proxy->connect_structured_push_supplier(supplier.in());
// Set up events to push.
CosNotification::StructuredEvent event;
event.header.fixed_header.event_type.domain_name =
CORBA::string_dup("OCI_TAO");
event.header.fixed_header.event_type.type_name =
CORBA::string_dup("examples");
event.header.fixed_header.event_name = CORBA::string_dup("myevent");
event.filterable_data.length (1);
event.filterable_data[0].name = CORBA::string_dup("Message from:");
event.filterable_data[0].value <<= (const char *)user_name;
event.filterable_data.length (2);
event.filterable_data[1].name = CORBA::string_dup("Subject:");
event.filterable_data[1].value <<= (const char *)subject;
event.filterable_data.length (3);
event.filterable_data[2].name = CORBA::string_dup("Message:");
event.filterable_data[2].value <<= (const char *)message;
// Push events.
while (1) {
std::cout << "pushing " << std::endl;
consumer_proxy->push_structured_event (event);
ACE_OS::sleep (1);
}
}
catch(const CORBA::Exception& ex) {
return 1;
}
return 0;
}
int TAO::FT_FaultNotifier_i::init (CORBA::ORB_ptr orb )
{
int result = 0;
this->orb_ = CORBA::ORB::_duplicate (orb);
// Use the ROOT POA for now
CORBA::Object_var poa_object =
this->orb_->resolve_initial_references (TAO_OBJID_ROOTPOA);
if (CORBA::is_nil (poa_object.in ()))
ORBSVCS_ERROR_RETURN ((LM_ERROR,
ACE_TEXT (" (%P|%t) Unable to initialize the POA.\n")),
-1);
// Get the POA object.
this->poa_ =
PortableServer::POA::_narrow (poa_object.in ());
if (CORBA::is_nil(this->poa_.in ()))
{
ORBSVCS_ERROR_RETURN ((LM_ERROR,
ACE_TEXT (" (%P|%t) Unable to narrow the POA.\n")),
-1);
}
PortableServer::POAManager_var poa_manager =
this->poa_->the_POAManager ();
poa_manager->activate ();
// Register with the POA.
this->object_id_ = this->poa_->activate_object (this);
// find my IOR
CORBA::Object_var this_obj =
this->poa_->id_to_reference (object_id_.in ());
this->ior_ = this->orb_->object_to_string (this_obj.in ());
////////////////////////////////////////////////
// Register with coresident Notification Channel
CosNotifyChannelAdmin::EventChannelFactory_var notify_factory =
TAO_Notify_EventChannelFactory_i::create (poa_.in ());
CosNotification::QoSProperties initial_qos;
CosNotification::AdminProperties initial_admin;
this->notify_channel_ =
notify_factory->create_channel (initial_qos,
initial_admin,
channel_id_);
this->filter_factory_ = this->notify_channel_->default_filter_factory ();
///////////////////////////
// Producer registration
this->supplier_admin_ = this->notify_channel_->default_supplier_admin ();
::CosNotifyChannelAdmin::ProxyID proxyId = 0;
//////////////////////
// structured producer
::CosNotifyChannelAdmin::ProxyConsumer_var consumer
= this->supplier_admin_->obtain_notification_push_consumer (
::CosNotifyChannelAdmin::STRUCTURED_EVENT,
proxyId);
structured_proxy_push_consumer_
= ::CosNotifyChannelAdmin::StructuredProxyPushConsumer::_narrow(consumer.in ());
if (CORBA::is_nil (this->structured_proxy_push_consumer_.in ()))
{
ORBSVCS_ERROR_RETURN ((LM_ERROR,
"%T %n (%P|%t) Should not occur: Unable to narrow Structured Proxy Push Consumer\n"),
1);
}
// todo: implement a push supplier if we want to receive disconnect notice
CosNotifyComm::StructuredPushSupplier_var stubPushSupplier =
CosNotifyComm::StructuredPushSupplier::_nil();
this->structured_proxy_push_consumer_->connect_structured_push_supplier (stubPushSupplier.in());
////////////////////
// Sequence producer
consumer
= this->supplier_admin_->obtain_notification_push_consumer (
::CosNotifyChannelAdmin::SEQUENCE_EVENT,
proxyId);
this->sequence_proxy_push_consumer_
= ::CosNotifyChannelAdmin::SequenceProxyPushConsumer::_narrow(consumer.in ());
if (CORBA::is_nil (this->sequence_proxy_push_consumer_.in ()))
{
ORBSVCS_ERROR_RETURN ((LM_ERROR,
"%T %n (%P|%t) Should not occur: Unable to narrow Sequence Proxy Push Consumer\n"),
1);
}
// todo: implement this if we want to receive disconnect notice
CosNotifyComm::SequencePushSupplier_var stubSeqPushSupplier =
CosNotifyComm::SequencePushSupplier::_nil();
this->sequence_proxy_push_consumer_->connect_sequence_push_supplier (stubSeqPushSupplier.in());
///////////////////////////
// Consumer registration
// find the channel administrator for consumers
this->consumer_admin_ = this->notify_channel_->default_consumer_admin ();
if (CORBA::is_nil (this->consumer_admin_.in ()))
{
ORBSVCS_ERROR ((LM_ERROR,
"%T %n (%P|%t) NIL consumer admin\n"
));
result = -1;
}
// everything else happens when subscriber shows up
///////////////////////////////
// Register with ReplicationManager
if (this->rm_register_)
{
try
{
CORBA::Object_var rm_obj = orb->resolve_initial_references("ReplicationManager");
this->replication_manager_ = ::FT::ReplicationManager::_narrow(rm_obj.in());
if (!CORBA::is_nil (replication_manager_.in ()))
{
// @@: should we check to see if there's already one registered?
FT::FaultNotifier_var notifier = FT::FaultNotifier::_narrow (this_obj.in ());
if (! CORBA::is_nil (notifier.in ()))
{
this->replication_manager_->register_fault_notifier(notifier.in ());
ORBSVCS_DEBUG ((LM_DEBUG,
"FaultNotifier registered with ReplicationManager.\n"
));
this->registered_ = 1;
}
else
{
ORBSVCS_ERROR ((LM_ERROR,
"Error: Registration failed. This is not a FaultNotifier (should not occur.)\n"
));
}
}
else
{
ORBSVCS_ERROR ((LM_ERROR,"FaultNotifier: Can't resolve ReplicationManager, It will not be registered.\n" ));
}
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception (
"FaultNotifier: Exception resolving ReplicationManager. Notifier will not be registered.\n");
}
}
else
{
ORBSVCS_DEBUG ((LM_DEBUG,
"FaultNotifier: ReplicationManager registration disabled.\n"
));
}
///////////////////////////////
// Set up and ready for action
// publish our IOR
if(result == 0)
{
if (this->ior_output_file_ != 0)
{
this->identity_ = "file:";
this->identity_ += ACE_TEXT_ALWAYS_CHAR(this->ior_output_file_);
result = write_ior();
}
}
if (result == 0)
{
if (this->ns_name_ != 0)
{
this->identity_ = "name:";
this->identity_ += this->ns_name_;
CORBA::Object_var naming_obj =
this->orb_->resolve_initial_references ("NameService");
if (CORBA::is_nil(naming_obj.in ())) {
ORBSVCS_ERROR_RETURN ((LM_ERROR,
"%T %n (%P|%t) Unable to find the Naming Service\n"),
1);
}
this->naming_context_ =
CosNaming::NamingContext::_narrow (naming_obj.in ());
if (CORBA::is_nil(this->naming_context_.in ()))
{
ORBSVCS_ERROR_RETURN ((LM_ERROR,
"%T %n (%P|%t) Should not occur: Can't narrow initial reference to naming context.\n"),
1);
}
this->this_name_.length (1);
this->this_name_[0].id = CORBA::string_dup (this->ns_name_);
this->naming_context_->rebind (this->this_name_, this_obj.in() //CORBA::Object::_duplicate(this_obj)
);
}
}
return result;
}
Messenger_i::Messenger_i (CORBA::ORB_ptr orb)
: orb_ (CORBA::ORB::_duplicate (orb))
{
CORBA::Object_var naming_obj =
orb_->resolve_initial_references ("NameService");
CosNaming::NamingContext_var naming_context =
CosNaming::NamingContext::_narrow (naming_obj.in());
CosNaming::Name name;
name.length (1);
name[0].id = CORBA::string_dup ("NotifyEventChannelFactory");
CORBA::Object_var obj = naming_context->resolve (name);
CosNotifyChannelAdmin::EventChannelFactory_var notify_factory =
CosNotifyChannelAdmin::EventChannelFactory::_narrow (obj.in ());
CosNotifyChannelAdmin::ChannelID id;
CosNotification::QoSProperties initial_qos;
CosNotification::AdminProperties initial_admin;
CosNotifyChannelAdmin::EventChannel_var ec =
notify_factory->create_channel (initial_qos,
initial_admin,
id);
name[0].id = CORBA::string_dup ("MyEventChannel");
naming_context->rebind (name, ec.in());
CosNotifyChannelAdmin::AdminID adminid;
CosNotifyChannelAdmin::InterFilterGroupOperator ifgop =
CosNotifyChannelAdmin::OR_OP;
CosNotifyChannelAdmin::SupplierAdmin_var supplier_admin =
ec->new_for_suppliers (ifgop, adminid);
CosNotifyChannelAdmin::ProxyID supplieradmin_proxy_id;
CosNotifyChannelAdmin::ProxyConsumer_var proxy_consumer =
supplier_admin->obtain_notification_push_consumer(
CosNotifyChannelAdmin::STRUCTURED_EVENT,
supplieradmin_proxy_id);
StructuredEventSupplier_i *servant =
new StructuredEventSupplier_i(orb_.in());
CORBA::Object_var poa_obj = orb_->resolve_initial_references ("RootPOA");
PortableServer::POA_var poa = PortableServer::POA::_narrow (poa_obj.in ());
PortableServer::POAManager_var mgr = poa->the_POAManager ();
mgr->activate ();
PortableServer::ObjectId_var objectId = poa->activate_object (servant);
CORBA::Object_var supplier_obj = poa->id_to_reference (objectId.in ());
CosNotifyComm::StructuredPushSupplier_var supplier =
CosNotifyComm::StructuredPushSupplier::_narrow (supplier_obj.in ());
consumer_proxy_ =
CosNotifyChannelAdmin::StructuredProxyPushConsumer::_narrow (proxy_consumer.in());
consumer_proxy_->
connect_structured_push_supplier (supplier.in());
}
Messenger_i::Messenger_i (CORBA::ORB_ptr orb)
: orb_(CORBA::ORB::_duplicate(orb))
{
CORBA::Object_var poa_object =
orb_->resolve_initial_references("RootPOA");
if (CORBA::is_nil (poa_object.in())) {
std::cerr << "Unable to initialize the POA." << std::endl;
}
CORBA::Object_var naming_obj =
orb_->resolve_initial_references ("NameService");
if (CORBA::is_nil(naming_obj.in())) {
std::cerr << "Unable to find naming service" << std::endl;
}
CosNaming::NamingContext_var naming_context =
CosNaming::NamingContext::_narrow(naming_obj.in());
CosNaming::Name name;
name.length (1);
name[0].id = CORBA::string_dup("NotifyEventChannelFactory");
CORBA::Object_var obj = naming_context->resolve(name);
CosNotifyChannelAdmin::EventChannelFactory_var notify_factory =
CosNotifyChannelAdmin::EventChannelFactory::_narrow(obj.in());
if (CORBA::is_nil(notify_factory.in())) {
std::cerr << "Unable to find notify factory" << std::endl;
}
CosNotifyChannelAdmin::ChannelID id;
CosNotification::QoSProperties initial_qos;
CosNotification::AdminProperties initial_admin;
CosNotifyChannelAdmin::EventChannel_var ec =
notify_factory->create_channel (initial_qos,
initial_admin,
id);
if (CORBA::is_nil (ec.in())) {
std::cerr << "Unable to crete event channel" << std::endl;
}
// name.length(1);
name[0].id = CORBA::string_dup("MyEventChannel");
naming_context->rebind(name, ec.in());
CosNotifyChannelAdmin::AdminID adminid;
CosNotifyChannelAdmin::InterFilterGroupOperator ifgop =
CosNotifyChannelAdmin::AND_OP;
CosNotifyChannelAdmin::SupplierAdmin_var supplier_admin =
ec->new_for_suppliers (ifgop, adminid);
if (CORBA::is_nil (supplier_admin.in())) {
std::cerr << "Unable to find supplier admin" << std::endl;
}
CosNotifyChannelAdmin::ProxyID supplieradmin_proxy_id;
CosNotifyChannelAdmin::ProxyConsumer_var proxy_consumer =
supplier_admin->obtain_notification_push_consumer(
CosNotifyChannelAdmin::STRUCTURED_EVENT,
supplieradmin_proxy_id);
StructuredEventSupplier_i *servant =
new StructuredEventSupplier_i(orb_.in());
CosNotifyComm::StructuredPushSupplier_var supplier =
servant->_this();
s_proxy_consumer_ =
CosNotifyChannelAdmin::StructuredProxyPushConsumer::
_narrow(proxy_consumer.in());
if (CORBA::is_nil (s_proxy_consumer_.in())) {
std::cerr << "Unable to find structured proxy push consumer" << std::endl;
}
s_proxy_consumer_->
connect_structured_push_supplier(supplier.in());
CosNotification::EventTypeSeq added (1);
CosNotification::EventTypeSeq removed (1);
added.length (1);
removed.length (1);
added[0].domain_name = CORBA::string_dup ("OCI_TAO");
added[0].type_name = CORBA::string_dup ("examples");
removed[0].domain_name = CORBA::string_dup ("*");
removed[0].type_name = CORBA::string_dup ("*");
s_proxy_consumer_->offer_change(added, removed);
}
Messenger_i::Messenger_i (CORBA::ORB_ptr orb)
: orb_ (CORBA::ORB::_duplicate(orb))
{
try
{
CORBA::Object_var poa_obj = orb->resolve_initial_references("RootPOA");
PortableServer::POA_var poa = PortableServer::POA::_narrow(poa_obj.in());
CORBA::Object_var naming_obj =
orb_->resolve_initial_references ("NameService");
if (CORBA::is_nil(naming_obj.in())) {
std::cerr << "Unable to find naming service" << std::endl;
}
CosNaming::NamingContext_var naming_context =
CosNaming::NamingContext::_narrow(naming_obj.in());
//
// Create an instance of TAO's notification event channel
//
CosNotifyChannelAdmin::EventChannelFactory_var notify_factory =
TAO_Notify_EventChannelFactory_i::create(poa.in());
if (CORBA::is_nil (notify_factory.in ())) {
std::cerr << "Unable to create the notify event channel" << std::endl;
return;
}
CosNotifyChannelAdmin::ChannelID id;
CosNotification::QoSProperties initial_qos;
CosNotification::AdminProperties initial_admin;
CosNotifyChannelAdmin::EventChannel_var ec =
notify_factory->create_channel (initial_qos,
initial_admin,
id);
if (CORBA::is_nil (ec.in())) {
std::cerr << "Unable to create event channel" << std::endl;
return;
}
CosNaming::Name name(1);
name.length(1);
name[0].id = CORBA::string_dup("MyEventChannel");
naming_context->rebind(name, ec.in());
CosNotifyChannelAdmin::AdminID adminid;
CosNotifyChannelAdmin::InterFilterGroupOperator ifgop =
CosNotifyChannelAdmin::AND_OP;
CosNotifyChannelAdmin::SupplierAdmin_var supplier_admin =
ec->new_for_suppliers (ifgop, adminid);
if (CORBA::is_nil (supplier_admin.in())) {
std::cerr << "Unable to find supplier admin" << std::endl;
}
CosNotifyChannelAdmin::ProxyID supplieradmin_proxy_id;
CosNotifyChannelAdmin::ProxyConsumer_var proxy_consumer =
supplier_admin->obtain_notification_push_consumer(
CosNotifyChannelAdmin::STRUCTURED_EVENT,
supplieradmin_proxy_id);
StructuredEventSupplier_i *servant =
new StructuredEventSupplier_i(orb_.in());
PortableServer::ObjectId_var oid = poa->activate_object(servant);
CORBA::Object_var supplier_obj = poa->id_to_reference(oid.in());
CosNotifyComm::StructuredPushSupplier_var supplier =
CosNotifyComm::StructuredPushSupplier::_narrow(supplier_obj.in());
consumer_proxy_ =
CosNotifyChannelAdmin::StructuredProxyPushConsumer::
_narrow(proxy_consumer.in());
if (CORBA::is_nil (consumer_proxy_.in())) {
std::cerr << "Unable to find structured proxy push consumer" << std::endl;
}
consumer_proxy_->connect_structured_push_supplier(supplier.in());
}
catch(const CORBA::Exception& ex) {
std::cerr << ex << std::endl;
}
}