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path: root/TAO/tests/RTCORBA/Policy_Combinations/client.cpp
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// $Id$

#include "ace/Get_Opt.h"
#include "ace/Task.h"
#include "testC.h"
#include "tao/ORB_Core.h"
#include "tao/RTCORBA/RTCORBA.h"
#include "../check_supported_priorities.cpp"

static const char *ior = 0;
static int iterations = 5;
static int shutdown_server = 0;
static RTCORBA::Priority default_thread_priority;

static int
parse_args (int argc, char **argv)
{
  ACE_Get_Opt get_opts (argc, argv, "k:i:x");
  int c;

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

      case 'i':
        iterations = ::atoi (get_opts.opt_arg ());
        break;

      case 'x':
        shutdown_server = 1;
        break;

      case '?':
      default:
        ACE_ERROR_RETURN ((LM_ERROR,
                           "usage:  %s "
                           "-k ior "
                           "-i iterations "
                           "-x shutdown server "
                           "\n",
                           argv [0]),
                          -1);
      }

  if (ior == 0)
    ACE_ERROR_RETURN ((LM_ERROR,
                       "An IOR must be specified\n"),
                      -1);

  return 0;
}

class Task : public ACE_Task_Base
{
public:

  Task (ACE_Thread_Manager &thread_manager,
        CORBA::ORB_ptr orb);

  int svc (void);

  CORBA::ORB_var orb_;

};

Task::Task (ACE_Thread_Manager &thread_manager,
            CORBA::ORB_ptr orb)
  : ACE_Task_Base (&thread_manager),
    orb_ (CORBA::ORB::_duplicate (orb))
{
}

int
Task::svc (void)
{
  ACE_TRY_NEW_ENV
    {
      CORBA::Object_var object =
        this->orb_->resolve_initial_references ("RTCurrent"
                                                ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      RTCORBA::Current_var current =
        RTCORBA::Current::_narrow (object.in ()
                                   ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      default_thread_priority =
        current->the_priority (ACE_ENV_SINGLE_ARG_PARAMETER);
      ACE_TRY_CHECK;

      object =
        this->orb_->string_to_object (ior
                                      ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      test_var test =
        test::_narrow (object.in ()
                       ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      for (int i = 0; i < iterations; i++)
        {
          current->the_priority (default_thread_priority
                                 ACE_ENV_ARG_PARAMETER);
          ACE_TRY_CHECK;

          CORBA::Short priority =
            test->method (ACE_ENV_SINGLE_ARG_PARAMETER);
          ACE_TRY_CHECK;

          if (priority != TAO_INVALID_PRIORITY)
            {
              current->the_priority (priority
                                     ACE_ENV_ARG_PARAMETER);
              ACE_TRY_CHECK;

              test->prioritized_method (ACE_ENV_SINGLE_ARG_PARAMETER);
              ACE_TRY_CHECK;
            }
        }

      if (shutdown_server)
        {
          test->shutdown (ACE_ENV_SINGLE_ARG_PARAMETER);
          ACE_TRY_CHECK;
        }
    }
  ACE_CATCHANY
    {
      ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, "Unexpected exception!");
      return -1;
    }
  ACE_ENDTRY;

  return 0;
}

int
main (int argc, char **argv)
{
  ACE_TRY_NEW_ENV
    {
      CORBA::ORB_var orb =
        CORBA::ORB_init (argc,
                         argv,
                         0
                         ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

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

      // Make sure we can support multiple priorities that are required
      // for this test.
      check_supported_priorities (orb.in());

      // The following finds out the lowest priority for this
      // scheduling policy.  This will give us the biggest range on NT
      // since the default priority is 0 where as the lowest priority
      // is -15.
      int minimum_priority =
        ACE_Sched_Params::priority_min (orb->orb_core ()->orb_params ()->ace_sched_policy ());

      // Thread Manager for managing task.
      ACE_Thread_Manager thread_manager;

      // Create task.
      Task task (thread_manager,
                 orb.in ());

      // Task activation flags.
      long flags =
        THR_NEW_LWP |
        THR_JOINABLE |
        orb->orb_core ()->orb_params ()->thread_creation_flags ();

      // Activate task.
      result =
        task.activate (flags,
                       1, 0,
                       minimum_priority);
      if (result == -1)
        {
          if (errno == EPERM)
            {
              ACE_ERROR_RETURN ((LM_ERROR,
                                 "Cannot create thread with scheduling policy %s\n"
                                 "because the user does not have the appropriate privileges, terminating program....\n"
                                 "Check svc.conf options and/or run as root\n",
                                 sched_policy_name (orb->orb_core ()->orb_params ()->ace_sched_policy ())),
                                2);
            }
          else
            // Unexpected error.
            ACE_ASSERT (0);
        }

      // Wait for task to exit.
      result =
        thread_manager.wait ();
      ACE_ASSERT (result != -1);
    }
  ACE_CATCHANY
    {
      ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION, "Unexpected exception!");
      return -1;
    }
  ACE_ENDTRY;

  return 0;
}