#include "orbsvcs/Event/EC_Event_Channel.h"
#include "orbsvcs/Event/EC_Default_Factory.h"
#include "ace/Get_Opt.h"
#include "orbsvcs/CosNamingC.h"
#include "ace/OS_NS_stdio.h"

const ACE_TCHAR *ior_output_file = ACE_TEXT("ec.ior");

int parse_args (int argc, ACE_TCHAR *argv[]);

int
ACE_TMAIN(int argc, ACE_TCHAR *argv[])
{
  TAO_EC_Default_Factory::init_svcs ();

  try
    {
      // ORB initialization boiler plate...
      CORBA::ORB_var orb =
        CORBA::ORB_init (argc, argv);

      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 naming service
      CORBA::Object_var naming_obj =
        orb->resolve_initial_references ("NameService");

      if (CORBA::is_nil (naming_obj.in ()))
        ACE_ERROR_RETURN ((LM_ERROR,
                           " (%P|%t) Unable to get the Naming Service.\n"),
                          1);

      CosNaming::NamingContext_var naming_context =
        CosNaming::NamingContext::_narrow (naming_obj.in ());

      TAO_EC_Event_Channel_Attributes attributes (poa.in (),
                                                  poa.in ());

      TAO_EC_Event_Channel ec_impl (attributes);
      ec_impl.activate ();

      RtecEventChannelAdmin::EventChannel_var event_channel =
        ec_impl._this ();

      // Create a name.
      CosNaming::Name name;
      name.length (1);
      name[0].id = CORBA::string_dup ("EventService");
      name[0].kind = CORBA::string_dup ("");

      // Register with the name server
      naming_context->bind (name, event_channel.in ());

      // Example code: How to write ior to file
      CORBA::String_var ior =
        orb->object_to_string (event_channel.in ());
      ACE_DEBUG ((LM_DEBUG, "Activated as <%C>\n", ior.in ()));
      // If the ior_output_file exists, output the ior to it
      if (ior_output_file != 0)
        {
          FILE *output_file= ACE_OS::fopen (ior_output_file, "w");
          if (output_file == 0)
            ACE_ERROR_RETURN ((LM_ERROR,
                               "Cannot open output file for writing IOR: %s",
                               ior_output_file),
                              1);
          ACE_OS::fprintf (output_file, "%s", ior.in ());
          ACE_OS::fclose (output_file);
        }

      // 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.
    }
  catch (const CORBA::Exception& ex)
    {
      ex._tao_print_exception ("Service");
      return 1;
    }
  return 0;
}

// ****************************************************************

int parse_args (int argc, ACE_TCHAR *argv[])
{
  ACE_Get_Opt get_opts (argc, argv, ACE_TEXT("o:"));
  int c;

  while ((c = get_opts ()) != -1)
    switch (c)
      {
      case 'o':
        ior_output_file = get_opts.opt_arg ();
        break;

      case '?':
      default:
        ACE_ERROR_RETURN ((LM_ERROR,
                           "usage:  %s "
                           "-o <iorfile>"
                           "\n",
                           argv [0]),
                          -1);
      }
  // Indicates successful parsing of the command line
  return 0;
}