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path: root/TAO/CIAO/DAnCE/NodeApplication/NodeApplication.cpp
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// $Id$
#include "NodeApplication_Impl.h"
#include "NodeApplication_CallBackC.h"
#include "ciao/Server_init.h"
#include "ciao/CIAO_common.h"
#include "ace/SString.h"
#include "ace/Get_Opt.h"
#include "ace/Env_Value_T.h"
#include "ace/Sched_Params.h"
#include "ace/OS_NS_errno.h"

const char *ior_file_name = 0;
const char *callback_ior = 0;
int use_callback = 1;

int
parse_args (int argc, char *argv[])
{
  ACE_Get_Arg_Opt<char> get_opts (argc, argv, "nk:o:");
  int c;

  while ((c = get_opts ()) != -1)
    switch (c)
      {
      case 'n':
        use_callback = 0;
        break;


      case 'o':  // get the file name to write to
        ior_file_name = get_opts.opt_arg ();
        break;

      case 'k':  // get the activator callback IOR
       callback_ior = get_opts.opt_arg ();
       break;

      case '?':  // display help for use of the server.
      default:
        ACE_ERROR_RETURN ((LM_ERROR,
                           "usage:  %s\n"
                           "-n Do not use Callback (for testing)\n"
                           "-o <ior_output_file>\n"
                           "-k <NodeApplicationManager_callback_ior>\n"
                           "\n",
                           argv [0]),
                          -1);
      }

  if (use_callback && callback_ior == 0)
    ACE_ERROR_RETURN ((LM_ERROR,
                       "Callback IOR to NodeApplicationManager is required.\n"),
                      -1);

  return 0;
}

int
ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
  ACE_DECLARE_NEW_CORBA_ENV;

  ACE_TRY
    {
      // Initialize orb
      CORBA::ORB_var orb =
        CORBA::ORB_init (argc,
                         argv,
                         ""
                         ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      CIAO::Server_init (orb.in ());

      if (parse_args (argc, argv) != 0)
        return -1;

      // Get reference to 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 POA manager
      PortableServer::POAManager_var mgr
        = poa->the_POAManager (ACE_ENV_SINGLE_ARG_PARAMETER);
      ACE_TRY_CHECK;

      mgr->activate (ACE_ENV_SINGLE_ARG_PARAMETER);
      ACE_TRY_CHECK;

      CIAO::NodeApplication_Impl *nodeapp_servant;

      ACE_NEW_RETURN (nodeapp_servant,
                      CIAO::NodeApplication_Impl (orb.in (),
                                                  poa.in ()),
                      -1);

      PortableServer::ServantBase_var safe_servant (nodeapp_servant);

      // CONFIGURING NodeApplication
      PortableServer::ObjectId_var nodeapp_oid
        = poa->activate_object (nodeapp_servant
                                ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      obj = poa->id_to_reference (nodeapp_oid.in ()
                                  ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      Deployment::NodeApplication_var nodeapp_obj =
        Deployment::NodeApplication::_narrow (obj.in ()
                                              ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      if (CORBA::is_nil (nodeapp_obj.in ()))
        ACE_ERROR_RETURN ((LM_ERROR,
                           "Unable to activate NodeApplication object\n"),
                          -1);


      Deployment::NodeApplicationManager_var nodeapp_man;
      Deployment::Properties_var prop = new Deployment::Properties;

      if (use_callback)
        {
          obj = orb->string_to_object (callback_ior
                                       ACE_ENV_ARG_PARAMETER);
	      ACE_TRY_CHECK;
	
	      CIAO::NodeApplication_Callback_var nam_callback
	        = CIAO::NodeApplication_Callback::_narrow (obj.in ()
	                                                   ACE_ENV_ARG_PARAMETER);
	      ACE_TRY_CHECK;
	
	      Deployment::Properties_out properties_out (prop.out ());
	
	      nodeapp_man
	        = nam_callback->register_node_application (nodeapp_obj.in (),
	                                                   properties_out
	                                                   ACE_ENV_ARG_PARAMETER);
	      ACE_TRY_CHECK;
        }

      /** @@ We need to call NodeApplication servant's init method.
       * But it's not sure to me where exactly we can get the
       * Properties needed by the init method at this moment. There are two
       * ways to set the property of the NodeApplication:
       * 1. call init remotely from NodeApplicationManager
       * 2. call init locally on the servant of NodeApplication.
       */
      bool result = nodeapp_servant->init (ACE_ENV_SINGLE_ARG_PARAMETER);
      ACE_TRY_CHECK;
      
      if (result)
      {
        ACE_DEBUG ((LM_DEBUG, "NodeApplication Failed on creating and\
                               initializing the session container!"));
        return 1;
      }

      CORBA::String_var str = orb->object_to_string (nodeapp_obj.in ()
                                                     ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;
      
      CIAO::Utility::write_IOR (ior_file_name,
                                str.in ());

      // End Deployment part
      if (CIAO::debug_level () > 10)
        {
          ACE_DEBUG ((LM_INFO, "NodeApplication IOR: %s\n", str.in ()));

          ACE_DEBUG ((LM_DEBUG,
                      "Running NodeApplication...\n"));
        }

      // Run the main event loop for the ORB.
      orb->run (ACE_ENV_SINGLE_ARG_PARAMETER);
      ACE_TRY_CHECK;

      poa->destroy (1, 1 ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      orb->destroy (ACE_ENV_SINGLE_ARG_PARAMETER);
      ACE_TRY_CHECK;
    }
  ACE_CATCHANY
    {
      ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION,
                           "NodeApp::main\t\n");
      return 1;
    }
  ACE_ENDTRY;

  ACE_DEBUG ((LM_DEBUG, "This NodeApplication is quitting now!\n"));
  return 0;
}