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author | William R. Otte <wotte@dre.vanderbilt.edu> | 2006-07-24 15:50:21 +0000 |
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committer | William R. Otte <wotte@dre.vanderbilt.edu> | 2006-07-24 15:50:21 +0000 |
commit | 3aff90f4a822fcf5d902bbfbcc9fa931d6191a8c (patch) | |
tree | 197c810e5f5bce17b1233a7cb8d7b50c0bcd25e2 /TAO/examples/Content_Server/AMI_Observer/client.cpp | |
parent | 6b846cf03c0bcbd8c276cb0af61a181e5f98eaae (diff) | |
download | ATCD-3aff90f4a822fcf5d902bbfbcc9fa931d6191a8c.tar.gz |
Repo restructuring
Diffstat (limited to 'TAO/examples/Content_Server/AMI_Observer/client.cpp')
-rw-r--r-- | TAO/examples/Content_Server/AMI_Observer/client.cpp | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/TAO/examples/Content_Server/AMI_Observer/client.cpp b/TAO/examples/Content_Server/AMI_Observer/client.cpp new file mode 100644 index 00000000000..986c828875a --- /dev/null +++ b/TAO/examples/Content_Server/AMI_Observer/client.cpp @@ -0,0 +1,209 @@ +// -*- C++ -*- +// $Id$ + +// Ossama Othman <ossama@uci.edu> + +#include "ace/Process_Manager.h" +#include "ace/OS_NS_unistd.h" +#include "orbsvcs/CosNamingC.h" +#include "Push_Web_ServerC.h" +#include "Push_Iterator_Handler.h" + +ACE_RCSID (AMI_Observer, + client, + "$Id$") + +// Obtain reference to Iterator_Factory +Web_Server::Iterator_Factory_ptr +get_iterator (CORBA::ORB_ptr orb + ACE_ENV_ARG_DECL); + +// Perform file requests +void invoke_requests (int argc, + char *argv[], + int *request_count, + Web_Server::Iterator_Factory_ptr f + ACE_ENV_ARG_DECL); + +int +main (int argc, char *argv[]) +{ + ACE_DECLARE_NEW_CORBA_ENV; + ACE_TRY + { + if (argc < 2) + ACE_ERROR_RETURN ((LM_ERROR, + ACE_TEXT ("Usage: client filename ") + ACE_TEXT ("[filename ...]\n")), + -1); + + // Initialize the ORB. + CORBA::ORB_var orb = CORBA::ORB_init (argc, + argv, + "Mighty ORB" + ACE_ENV_ARG_PARAMETER); + ACE_TRY_CHECK; + + // Get the Root POA. + CORBA::Object_var obj = + orb->resolve_initial_references ("RootPOA" + ACE_ENV_ARG_PARAMETER); + ACE_TRY_CHECK; + + PortableServer::POA_var poa = + PortableServer::POA::_narrow (obj.in () ACE_ENV_ARG_PARAMETER); + ACE_TRY_CHECK; + + // Activate the POA manager. + PortableServer::POAManager_var mgr = poa->the_POAManager (); + mgr->activate (ACE_ENV_SINGLE_ARG_PARAMETER); + ACE_TRY_CHECK; + + // Get an Iterator_Factory reference. + Web_Server::Iterator_Factory_var factory = + ::get_iterator (orb.in () + ACE_ENV_ARG_PARAMETER); + ACE_TRY_CHECK; + + if (CORBA::is_nil (factory.in ())) + { + ACE_ERROR_RETURN ((LM_ERROR, + ACE_TEXT ("Object pointed to by:\n %s\n") + ACE_TEXT ("is not an Iterator_Factory") + ACE_TEXT ("object.\n"), + argv[1]), + -1); + } + + // Variable used to keep track of when file retrieval has + // completed. + int request_count = 0; + + // Activate and run the reply handlers. + ::invoke_requests (argc, + argv, + &request_count, + factory.in () + ACE_ENV_ARG_PARAMETER); + ACE_TRY_CHECK; + + // 1 millisecond delay to reduce "busy waiting" in ORB event + // loop. + ACE_Time_Value tv (0, 1000); + + // Run the ORB event loop. + while (request_count > 0) + { + CORBA::Boolean more_work; + + more_work = orb->work_pending (ACE_ENV_SINGLE_ARG_PARAMETER); + ACE_TRY_CHECK; + + if (more_work) + { + orb->perform_work (ACE_ENV_SINGLE_ARG_PARAMETER); + ACE_TRY_CHECK; + } + else + ACE_OS::sleep (tv); + } + + orb->shutdown (0 ACE_ENV_ARG_PARAMETER); + ACE_TRY_CHECK; + + //orb->destroy (ACE_ENV_SINGLE_ARG_PARAMETER); + //ACE_TRY_CHECK; + } + ACE_CATCH (Web_Server::Error_Result, exc) + { + ACE_ERROR_RETURN ((LM_ERROR, + ACE_TEXT ("Caught Web Server exception ") + ACE_TEXT ("status %d\n"), + exc.status), + -1); + } + ACE_CATCHANY + { + ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, + ACE_TEXT ("Caught unexpected exception:")); + + return -1; + } + ACE_ENDTRY; + + // Wait for all spawned viewers to exit. + ACE_Process_Manager::instance ()->wait (); + + return 0; +} + +Web_Server::Iterator_Factory_ptr +get_iterator (CORBA::ORB_ptr o + ACE_ENV_ARG_DECL) +{ + CORBA::ORB_var orb = CORBA::ORB::_duplicate (o); + + // Get a reference to the Name Service. + CORBA::Object_var obj = + orb->resolve_initial_references ("NameService" + ACE_ENV_ARG_PARAMETER); + ACE_CHECK_RETURN (Web_Server::Iterator_Factory::_nil ()); + + // Narrow to a Naming Context + CosNaming::NamingContext_var nc = + CosNaming::NamingContext::_narrow (obj.in () ACE_ENV_ARG_PARAMETER); + ACE_CHECK_RETURN (Web_Server::Iterator_Factory::_nil ()); + + if (CORBA::is_nil (obj.in ())) + { + ACE_ERROR ((LM_ERROR, + ACE_TEXT ("Nil reference to Name Service\n"))); + return Web_Server::Iterator_Factory::_nil (); + } + + // Create a name. + CosNaming::Name name; + name.length (1); + name[0].id = CORBA::string_dup ("Push_Iterator_Factory"); + name[0].kind = CORBA::string_dup (""); + + obj = nc->resolve (name ACE_ENV_ARG_PARAMETER); + ACE_CHECK_RETURN (Web_Server::Iterator_Factory::_nil ()); + + Web_Server::Iterator_Factory_ptr factory = + Web_Server::Iterator_Factory::_narrow (obj.in ()); + + return factory; +} + +void invoke_requests (int argc, + char *argv[], + int *request_count, + Web_Server::Iterator_Factory_ptr f + ACE_ENV_ARG_DECL) +{ + Web_Server::Iterator_Factory_var factory = + Web_Server::Iterator_Factory::_duplicate (f); + + // Activate and run the reply handlers. + for (int i = 0; + i < argc - 1; // Don't include the program name. + ++i) + { + Push_Iterator_Handler *handler = 0; + ACE_NEW_THROW_EX (handler, + Push_Iterator_Handler, + CORBA::NO_MEMORY ()); + ACE_CHECK; + + // Transfer ownership to the POA. + PortableServer::ServantBase_var tmp (handler); + + // This ends up being an AMI call, so it won't block. + handler->run (request_count, + argv[i + 1], + factory.in () + ACE_ENV_ARG_PARAMETER); + ACE_CHECK; + } +} |