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Diffstat (limited to 'TAO/orbsvcs/examples/CosEC/Simple/Consumer.cpp')
-rw-r--r-- | TAO/orbsvcs/examples/CosEC/Simple/Consumer.cpp | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/TAO/orbsvcs/examples/CosEC/Simple/Consumer.cpp b/TAO/orbsvcs/examples/CosEC/Simple/Consumer.cpp new file mode 100644 index 00000000000..ff7e31746ae --- /dev/null +++ b/TAO/orbsvcs/examples/CosEC/Simple/Consumer.cpp @@ -0,0 +1,133 @@ +// $Id$ + +#include "Consumer.h" +#include "orbsvcs/CosEventChannelAdminS.h" + +ACE_RCSID(CosEC_Examples, Consumer, "$Id$") + +int +main (int argc, char* argv[]) +{ + Consumer consumer; + + return consumer.run (argc, argv); +} + +// **************************************************************** + +Consumer::Consumer (void) + : event_count_ (0) +{ +} + +int +Consumer::run (int argc, char* argv[]) +{ + ACE_DECLARE_NEW_CORBA_ENV; + ACE_TRY + { + // ORB initialization boiler plate... + CORBA::ORB_var orb = + CORBA::ORB_init (argc, argv, "", ACE_TRY_ENV); + ACE_TRY_CHECK; + + // Do *NOT* make a copy because we don't want the ORB to outlive + // the Consumer object. + this->orb_ = orb.in (); + + if (argc <= 1) + { + ACE_ERROR ((LM_ERROR, + "Usage: Consumer <event_channel_ior>\n")); + return 1; + } + + CORBA::Object_var object = + orb->resolve_initial_references ("RootPOA", ACE_TRY_ENV); + ACE_TRY_CHECK; + PortableServer::POA_var poa = + PortableServer::POA::_narrow (object.in (), ACE_TRY_ENV); + ACE_TRY_CHECK; + PortableServer::POAManager_var poa_manager = + poa->the_POAManager (ACE_TRY_ENV); + ACE_TRY_CHECK; + poa_manager->activate (ACE_TRY_ENV); + ACE_TRY_CHECK; + + // 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], ACE_TRY_ENV); + ACE_TRY_CHECK; + + CosEventChannelAdmin::EventChannel_var event_channel = + CosEventChannelAdmin::EventChannel::_narrow (object.in (), + ACE_TRY_ENV); + ACE_TRY_CHECK; + + // The canonical protocol to connect to the EC + CosEventChannelAdmin::ConsumerAdmin_var consumer_admin = + event_channel->for_consumers (ACE_TRY_ENV); + ACE_TRY_CHECK; + + CosEventChannelAdmin::ProxyPushSupplier_var supplier = + consumer_admin->obtain_push_supplier (ACE_TRY_ENV); + ACE_TRY_CHECK; + + CosEventComm::PushConsumer_var consumer = + this->_this (ACE_TRY_ENV); + ACE_TRY_CHECK; + + supplier->connect_push_consumer (consumer.in (), ACE_TRY_ENV); + ACE_TRY_CHECK; + + // Wait for events, using work_pending()/perform_work() may help + // or using another thread, this example is too simple for that. + orb->run (); + + // We don't do any cleanup, it is hard to do it after shutdown, + // and would complicate the example; plus it is almost + // impossible to do cleanup after ORB->run() because the POA is + // in the holding state. Applications should use + // work_pending()/perform_work() to do more interesting stuff. + // Check the supplier for the proper way to do cleanup. + } + ACE_CATCHANY + { + ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, "Consumer::run"); + return 1; + } + ACE_ENDTRY; + return 0; +} + +void +Consumer::push (const CORBA::Any &, + CORBA::Environment &) + ACE_THROW_SPEC ((CORBA::SystemException)) +{ + this->event_count_ ++; + if (this->event_count_ % 100 == 0) + { + ACE_DEBUG ((LM_DEBUG, + "Consumer (%P|%t): %d events received\n", + this->event_count_)); + } +} + +void +Consumer::disconnect_push_consumer (CORBA::Environment &ACE_TRY_ENV) + ACE_THROW_SPEC ((CORBA::SystemException)) +{ + // In this example we shutdown the ORB when we disconnect from the + // EC (or rather the EC disconnects from us), but this doesn't have + // to be the case.... + this->orb_->shutdown (0, ACE_TRY_ENV); +} + +// **************************************************************** + +#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION) +#elif defined(ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA) +#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */ |