server.cpp

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// server.cpp,v 1.10 2003/10/28 18:34:45 bala Exp

// ============================================================================
//
// = LIBRARY
//    TAO/examples/PluggableUDP/tests/Performance
//
// = FILENAME
//    server.cpp
//
// = DESCRIPTION
//    Implementation of the server running the UDP object.
//
// = AUTHOR
//    Michael Kircher <[e-mail]>
//
// ============================================================================

#include "ace/Get_Opt.h"
#include "ace/Thread_Manager.h"

#include "UDP_i.h"

// The following include file forces DIOP to be linked into the
// executable and initialized for static builds.
#include "tao/Strategies/advanced_resource.h"


ACE_RCSID(Performance, server, "server.cpp,v 1.10 2003/10/28 18:34:45 bala Exp")

const char *ior_output_file = "test.ior";
int orb_threads = 1; // Number of threads running inside the ORB.

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

  while ((c = get_opts ()) != -1)
    switch (c)
      {
      case 'o':
        ior_output_file = get_opts.opt_arg ();
        break;
      case 'i':
        orb_threads = ACE_OS::atoi (get_opts.opt_arg ());
        break;
      case '?':
      default:
        ACE_ERROR_RETURN ((LM_ERROR,
                           "usage:  %s "
                           "-o <iorfile> "
                           "-i <ORB threads> "
                           "\n",
                           argv [0]),
                          -1);
      }
  // Indicates sucessful parsing of the command line
  return 0;
}

static ACE_THR_FUNC_RETURN svc (void *arg)
{
  CORBA::ORB_ptr orb = (CORBA::ORB_ptr)arg;

  ACE_TRY_NEW_ENV
    {
      orb->run (ACE_ENV_SINGLE_ARG_PARAMETER);
      ACE_TRY_CHECK;
    }
  ACE_CATCHANY
    {
      ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION,
                           "Caught exception: orb->run");
    }
  ACE_ENDTRY;
  return 0;
}

int
main (int argc, char *argv[])
{
  ACE_TRY_NEW_ENV
    {
      CORBA::ORB_var orb =
        CORBA::ORB_init (argc, argv, "PerformanceServer" ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      CORBA::Object_var poa_object =
        orb->resolve_initial_references("RootPOA" ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      if (CORBA::is_nil (poa_object.in ()))
        ACE_ERROR_RETURN ((LM_ERROR,
                           " (%P|%t) Unable to initialize the POA.\n"),
                          1);

      PortableServer::POA_var root_poa =
        PortableServer::POA::_narrow (poa_object.in () ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      PortableServer::POAManager_var poa_manager =
        root_poa->the_POAManager (ACE_ENV_SINGLE_ARG_PARAMETER);
      ACE_TRY_CHECK;

      // Install a persistent POA in order to achieve a persistent IOR
      // for our object.
      //*
      CORBA::PolicyList policies;
      policies.length (2);
      policies[0] =
        root_poa->create_lifespan_policy(PortableServer::PERSISTENT
                                         ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      policies[1] =
        root_poa->create_id_assignment_policy (PortableServer::USER_ID
                                               ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      PortableServer::POA_var persistent_poa =
        root_poa->create_POA("persistent",
                             poa_manager.in (),
                             policies
                             ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      policies[0]->destroy (ACE_ENV_SINGLE_ARG_PARAMETER);
      ACE_TRY_CHECK;

      policies[1]->destroy (ACE_ENV_SINGLE_ARG_PARAMETER);
      ACE_TRY_CHECK;

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

      UDP_i udp_i;

      udp_i.orb (orb.in ());

      PortableServer::ObjectId_var id =
        PortableServer::string_to_ObjectId ("UDP_Object");

      persistent_poa->activate_object_with_id (id.in (),
                                               &udp_i
                                               ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      CORBA::Object_var obj =
        persistent_poa->id_to_reference (id.in ()
                                         ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;


      UDP_var udp_var = UDP::_narrow (obj.in () ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      if (CORBA::is_nil (udp_var.in ()))
        ACE_DEBUG ((LM_DEBUG,
                    "Failed to narrow correct object reference.\n"));

      CORBA::String_var ior =
        orb->object_to_string (udp_var.in () ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      ACE_DEBUG ((LM_DEBUG, "Activated as <%s>\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);
        }

      poa_manager->activate (ACE_ENV_SINGLE_ARG_PARAMETER);
      ACE_TRY_CHECK;

      if (orb_threads > 1)
        ACE_Thread_Manager::instance ()->spawn_n (orb_threads-1,
                                                  svc,
                                                  orb.in ());

      orb->run (ACE_ENV_SINGLE_ARG_PARAMETER);
      ACE_TRY_CHECK;

      ACE_DEBUG ((LM_DEBUG, "ORB finished\n"));

      root_poa->destroy (1, // ethernalize objects
                         0  // wait for completion
                         ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

            orb->destroy (ACE_ENV_SINGLE_ARG_PARAMETER);
      ACE_TRY_CHECK;

      ACE_Thread_Manager::instance ()->wait ();
    }
  ACE_CATCHANY
    {
      ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION,
                           "Caught exception:");
      return 1;
    }
  ACE_ENDTRY;

  return 0;
}