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// $Id$
// ============================================================================
//
// = FILENAME
// DOVE_Supplier.cpp
//
// = DESCRIPTION
// A wrapper around the event service initialization and
// marshalling
//
// = AUTHOR
// Michael Kircher (mk1@cs.wustl.edu)
//
// ============================================================================
#include "DOVE_Supplier.h"
ACE_RCSID(Event_Supplier, DOVE_Supplier, "$Id$")
DOVE_Supplier::DOVE_Supplier ()
: MIB_name_ (0),
internal_DOVE_Supplier_ptr_ (new Internal_DOVE_Supplier (this))
{
}
DOVE_Supplier::~DOVE_Supplier ()
{
delete internal_DOVE_Supplier_ptr_;
}
int
DOVE_Supplier::connect (const char* MIB_name)
{
if (this->get_EventChannel () == -1)
return -1;
return this->connect_Supplier ();
}
void
DOVE_Supplier::disconnect ()
{
}
void
DOVE_Supplier::notify (CORBA::Any &message)
{
TAO_TRY
{
RtecEventComm::Event event;
event.source_ = SOURCE_ID;
event.type_ = ACE_ES_EVENT_NOTIFICATION;
event.ttl_ = 1;
event.creation_time_ = ORBSVCS_Time::zero;
event.ec_recv_time_ = ORBSVCS_Time::zero;
event.ec_send_time_ = ORBSVCS_Time::zero;
//event.data_.x = 0;
//event.data_.y = 0;
event.data_.any_value = message;
RtecEventComm::EventSet events;
events.length (1);
events[0] = event;
// Now we invoke a RPC
proxyPushConsumer_var_->push (events,
TAO_TRY_ENV);
TAO_CHECK_ENV;
}
TAO_CATCHANY
{
ACE_ERROR ((LM_ERROR,
"DOVE_Supplier::notify: "
"unexpected exception.\n"));
}
TAO_ENDTRY;
}
// -------------------- Internal Demo Supplier -----------------------------
DOVE_Supplier::Internal_DOVE_Supplier::Internal_DOVE_Supplier (DOVE_Supplier *impl_ptr)
: impl_ptr_ (impl_ptr)
{
}
// ----------------------------------------------------------------------------
int
DOVE_Supplier::get_EventChannel ()
{
TAO_TRY
{
// Connect to the RootPOA.
CORBA::Object_var poaObject_var =
TAO_ORB_Core_instance()->orb()->resolve_initial_references("RootPOA");
if (CORBA::is_nil (poaObject_var.in ()))
ACE_ERROR_RETURN ((LM_ERROR,
" (%P|%t) Unable to initialize the POA.\n"),
1);
PortableServer::POA_var root_POA_var =
PortableServer::POA::_narrow (poaObject_var.in (), TAO_TRY_ENV);
TAO_CHECK_ENV;
PortableServer::POAManager_var poa_manager =
root_POA_var->the_POAManager (TAO_TRY_ENV);
TAO_CHECK_ENV;
// Get the Naming Service object reference.
CORBA::Object_var namingObj_var =
TAO_ORB_Core_instance()->orb()->resolve_initial_references ("NameService");
if (CORBA::is_nil (namingObj_var.in ()))
ACE_ERROR_RETURN ((LM_ERROR,
" (%P|%t) Unable to get the Naming Service.\n"),
-1);
CosNaming::NamingContext_var namingContext_var =
CosNaming::NamingContext::_narrow (namingObj_var.in (),
TAO_TRY_ENV);
TAO_CHECK_ENV;
// Tell the ScheduleService to use the same naming service.
ACE_Scheduler_Factory::use_config (namingContext_var.in ());
// Get a reference to the Event Servie
CosNaming::Name channel_name (1);
channel_name.length (1);
channel_name[0].id = CORBA::string_dup ("EventService");
CORBA::Object_var eventServiceObj_var =
namingContext_var->resolve (channel_name, TAO_TRY_ENV);
TAO_CHECK_ENV;
this->eventChannel_var_ =
RtecEventChannelAdmin::EventChannel::_narrow (eventServiceObj_var.in(),
TAO_TRY_ENV);
TAO_CHECK_ENV;
if (CORBA::is_nil (eventChannel_var_.in()))
ACE_ERROR_RETURN ((LM_ERROR,
"The reference to the event channel is nil!"),
1);
}
TAO_CATCHANY
{
TAO_TRY_ENV.print_exception ("DOVE_Supplier::get_EventChannel");
return -1;
}
TAO_ENDTRY;
return 0;
}
int
DOVE_Supplier::connect_Supplier ()
{
TAO_TRY
{
// Get a Scheduling server.
this->scheduler_var_ = ACE_Scheduler_Factory::server ();
// Generate the Real-time information.
RtecScheduler::handle_t rt_info;
rt_info = scheduler_var_->create ("ABC", TAO_TRY_ENV);
scheduler_var_->set (rt_info,
RtecScheduler::VERY_LOW_CRITICALITY,
ORBSVCS_Time::zero,
ORBSVCS_Time::zero,
ORBSVCS_Time::zero,
2500000,
RtecScheduler::VERY_LOW_IMPORTANCE,
ORBSVCS_Time::zero,
1,
RtecScheduler::OPERATION,
TAO_TRY_ENV);
TAO_CHECK_ENV;
// Set the publications to report them to the event channel.
CORBA::Short x = 0;
RtecEventChannelAdmin::SupplierQOS qos;
qos.publications.length (1);
qos.publications[0].event.source_ = SOURCE_ID;
qos.publications[0].event.type_ = ACE_ES_EVENT_NOTIFICATION;
qos.publications[0].event.ttl_ = 1;
qos.publications[0].event.creation_time_ = ORBSVCS_Time::zero;
qos.publications[0].event.ec_recv_time_ = ORBSVCS_Time::zero;
qos.publications[0].event.ec_send_time_ = ORBSVCS_Time::zero;
qos.publications[0].event.data_.any_value.replace (CORBA::_tc_short,
&x,
CORBA::B_FALSE,
TAO_TRY_ENV);
qos.publications[0].dependency_info.number_of_calls = 1;
qos.publications[0].dependency_info.rt_info = rt_info;
// = Connect as a supplier.
this->supplierAdmin_var_ =
this->eventChannel_var_->for_suppliers (TAO_TRY_ENV);
TAO_CHECK_ENV;
this->proxyPushConsumer_var_ =
this->supplierAdmin_var_->obtain_push_consumer (TAO_TRY_ENV);
TAO_CHECK_ENV;
// In calling _this we get back an object reference and register
// the servant with the POA.
RtecEventComm::PushSupplier_var pushSupplier_var =
this->internal_DOVE_Supplier_ptr_->_this (TAO_TRY_ENV);
TAO_CHECK_ENV;
// Connect the supplier to the proxy consumer.
ACE_SupplierQOS_Factory::debug (qos);
this->proxyPushConsumer_var_->connect_push_supplier (pushSupplier_var.in (),
qos,
TAO_TRY_ENV);
TAO_CHECK_ENV;
}
TAO_CATCHANY
{
TAO_TRY_ENV.print_exception ("DOVE_Supplier::open");
return -1;
}
TAO_ENDTRY;
return 0;
}
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