#include "RTEvent_Supplier.h" #include "orbsvcs/RtecEventChannelAdminC.h" #include "orbsvcs/Event_Service_Constants.h" #include "ace/OS_main.h" #include "ace/OS_NS_unistd.h" #define NAMING_SERVICE_NAME "NameService" #define EVENT_TLS_LOG_FACTORY_NAME "RTEventLogFactory" #define LOG_EVENT_COUNT 29 #define QUERY_1 "id > 0" #define QUERY_2 "id >= 0" #define QUERY_LANG "TCL" int ACE_TMAIN (int argc, ACE_TCHAR *argv[]) { Supplier supplier; return supplier.run (argc, argv); } // **************************************************************** Supplier::Supplier () { } int Supplier::run (int argc, ACE_TCHAR* argv[]) { try { // ORB initialization boiler plate... CORBA::ORB_var orb = CORBA::ORB_init (argc, argv); /* if (argc <= 1) { ACE_ERROR ((LM_ERROR, "Usage: Supplier \n")); return 1; } */ // Do *NOT* make a copy because we don't want the ORB to outlive // the run() method. // this->orb_ = orb.in (); 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, we could use a naming service, a // command line argument or resolve_initial_references(), but // this is simpler... /* object = orb->string_to_object (argv[1]); RtecEventChannelAdmin::EventChannel_var event_channel = RtecEventChannelAdmin::EventChannel::_narrow (object.in ()); */ CORBA::Object_var naming_obj = orb->resolve_initial_references (NAMING_SERVICE_NAME); // Need to check return value for errors. if (CORBA::is_nil (naming_obj.in ())) throw CORBA::UNKNOWN (); this->naming_context_ = CosNaming::NamingContext::_narrow (naming_obj.in ()); CosNaming::Name name (1); name.length (1); name[0].id = CORBA::string_dup (EVENT_TLS_LOG_FACTORY_NAME); CORBA::Object_var obj = this->naming_context_->resolve (name); this->event_log_factory_ = RTEventLogAdmin::EventLogFactory::_narrow (obj.in ()); ACE_ASSERT (!CORBA::is_nil (this->event_log_factory_.in ())); // create a log.. ACE_DEBUG ((LM_DEBUG, "\nCalling EventLogFactory::create...\n")); DsLogAdmin::LogFullActionType logfullaction = DsLogAdmin::halt; DsLogAdmin::CapacityAlarmThresholdList threshold = 0; CORBA::ULongLong max_size = 0; // 0 means "infinite" DsLogAdmin::LogId logid = 0; RTEventLogAdmin::EventLog_var event_log = // DsLogAdmin::Log_var event_log = this->event_log_factory_->create (logfullaction, max_size, threshold, logid); ACE_DEBUG ((LM_DEBUG, "Create returned logid = %d\n",logid)); // The canonical protocol to connect to the EC RtecEventChannelAdmin::SupplierAdmin_var supplier_admin = event_log->for_suppliers (); this->consumer_ = supplier_admin->obtain_push_consumer (); RtecEventComm::PushSupplier_var supplier = this->_this (); // Simple publication, but usually the helper classes in // $TAO_ROOT/orbsvcs/Event_Utils.h are a better way to do this. RtecEventChannelAdmin::SupplierQOS qos; qos.publications.length (1); RtecEventComm::EventHeader& h0 = qos.publications[0].event.header; h0.type = ACE_ES_EVENT_UNDEFINED; // first free event type h0.source = 1; // first free event source this->consumer_->connect_push_supplier (supplier.in (), qos); // Create some fake log events. // Push the events... ACE_Time_Value sleep_time (0, 10000); // 10 milliseconds RtecEventComm::EventSet event (1); event.length (1); event[0].header.type = ACE_ES_EVENT_UNDEFINED; event[0].header.source = 1; event[0].header.ttl = 1; for (int i = 0; i != LOG_EVENT_COUNT; ++i) { this->consumer_->push (event); ACE_OS::sleep (sleep_time); } ACE_DEBUG ((LM_DEBUG, "Writing %d records...\n", LOG_EVENT_COUNT)); ACE_DEBUG ((LM_DEBUG, "Calling EventLog::get_n_records...\n")); CORBA::ULongLong retval = event_log->get_n_records (); ACE_DEBUG ((LM_DEBUG, "Number of records in Log = %d\n", retval)); ACE_DEBUG ((LM_DEBUG, "Calling EventLog::get_current_size...\n")); retval = event_log->get_current_size (); ACE_DEBUG ((LM_DEBUG, "Size of data in Log = %d\n", retval)); ACE_DEBUG ((LM_DEBUG, "Querying the Log: %s\n", QUERY_1)); DsLogAdmin::Iterator_var iter_out; DsLogAdmin::RecordList_var rec_list = event_log->query (QUERY_LANG, QUERY_1, iter_out); CORBA::ULong j = 0; for (; j < rec_list->length();++j) ACE_DEBUG ((LM_DEBUG, "id = %Q, time= %Q\n", rec_list[j].id, rec_list[j].time)); ACE_DEBUG ((LM_DEBUG, "Deleting records...\n")); retval = event_log->delete_records (QUERY_LANG, QUERY_2); ACE_DEBUG ((LM_DEBUG, "Calling EventLog::get_n_records...\n")); retval = event_log->get_n_records (); ACE_DEBUG ((LM_DEBUG, "Number of records in Log after delete = %d\n", retval)); ACE_DEBUG ((LM_DEBUG, "Geting the current_size again...\n")); retval = event_log->get_current_size (); ACE_DEBUG ((LM_DEBUG, "Size of data in Log = %d\n", retval)); // Disconnect from the EC this->consumer_->disconnect_push_consumer (); // Destroy the EC.... //event_channel->destroy (); event_log->destroy (); // Deactivate this object... PortableServer::ObjectId_var id = poa->servant_to_id (this); poa->deactivate_object (id.in ()); // Destroy the POA poa->destroy (1, 0); } catch (const CORBA::Exception& ex) { ex._tao_print_exception ("Supplier::run"); return 1; } return 0; } void Supplier::disconnect_push_supplier () { }