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-rw-r--r--trunk/TAO/orbsvcs/examples/CosEC/Simple/Consumer.cpp130
1 files changed, 130 insertions, 0 deletions
diff --git a/trunk/TAO/orbsvcs/examples/CosEC/Simple/Consumer.cpp b/trunk/TAO/orbsvcs/examples/CosEC/Simple/Consumer.cpp
new file mode 100644
index 00000000000..bcf4fcfc551
--- /dev/null
+++ b/trunk/TAO/orbsvcs/examples/CosEC/Simple/Consumer.cpp
@@ -0,0 +1,130 @@
+// $Id$
+
+#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_ENV_ARG_PARAMETER);
+ 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_ENV_ARG_PARAMETER);
+ ACE_TRY_CHECK;
+ PortableServer::POA_var poa =
+ PortableServer::POA::_narrow (object.in () ACE_ENV_ARG_PARAMETER);
+ ACE_TRY_CHECK;
+ PortableServer::POAManager_var poa_manager =
+ poa->the_POAManager (ACE_ENV_SINGLE_ARG_PARAMETER);
+ ACE_TRY_CHECK;
+ poa_manager->activate (ACE_ENV_SINGLE_ARG_PARAMETER);
+ 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_ENV_ARG_PARAMETER);
+ ACE_TRY_CHECK;
+
+ CosEventChannelAdmin::EventChannel_var event_channel =
+ CosEventChannelAdmin::EventChannel::_narrow (object.in ()
+ ACE_ENV_ARG_PARAMETER);
+ ACE_TRY_CHECK;
+
+ // The canonical protocol to connect to the EC
+ CosEventChannelAdmin::ConsumerAdmin_var consumer_admin =
+ event_channel->for_consumers (ACE_ENV_SINGLE_ARG_PARAMETER);
+ ACE_TRY_CHECK;
+
+ CosEventChannelAdmin::ProxyPushSupplier_var supplier =
+ consumer_admin->obtain_push_supplier (ACE_ENV_SINGLE_ARG_PARAMETER);
+ ACE_TRY_CHECK;
+
+ CosEventComm::PushConsumer_var consumer =
+ this->_this (ACE_ENV_SINGLE_ARG_PARAMETER);
+ ACE_TRY_CHECK;
+
+ supplier->connect_push_consumer (consumer.in () ACE_ENV_ARG_PARAMETER);
+ 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 &
+ ACE_ENV_ARG_DECL_NOT_USED)
+ 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 (ACE_ENV_SINGLE_ARG_DECL)
+ 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_ENV_ARG_PARAMETER);
+}
+