client_i.cpp

这是广泛使用的通信开源项目,对于大容量,高并发的通讯要求完全能够胜任,他广泛可用于网络游戏医学图像网关的高qos要求.更详细的内容可阅读相应的材料

//Client_i.cpp,v 1.10 2003/11/05 03:59:58 dhinton Exp

#include "Client_i.h"
#include "Event_Types_impl.h"

#include "tao/ORB_Core.h"

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

int
Checkpoint_Client_i::run (const char *name,
                          int argc,
                          char *argv[])
{
  // Initialize the client (read ior...).
  if (checkpoint.init (name,argc, argv) == -1)
    return -1;

  // Set random seed
  ACE_Time_Value now (ACE_OS::gettimeofday ());
  ACE_OS::srand ((unsigned int) now.sec () );

  ACE_DECLARE_NEW_CORBA_ENV;

  ACE_TRY
    {
      // Make factories to unmarshal OBV, when getting back a list
      // of events which raised an alarm condition.

      // TAO_OBV_REGISTER_FACTORY (Event_factory);
      // This one not (see header file)

      TAO_OBV_REGISTER_FACTORY (Temperature_factory, Temperature);
      TAO_OBV_REGISTER_FACTORY (Position_factory, Position);
      TAO_OBV_REGISTER_FACTORY (Log_Msg_factory, Log_Msg);
      TAO_OBV_REGISTER_FACTORY (Event_List_factory, Event_List);
      TAO_OBV_REGISTER_FACTORY (Event_List_Link_factory, Event_List_Link);

      ACE_DEBUG ((LM_DEBUG, "Send some random events:\n"));

      CORBA::Float temperature = random_number (29, 34);
      Temperature_var t_e (ACE_static_cast(Temperature*,
                                           new Temperature_impl (temperature)));
      t_e->origin_id_ (KITCHEN);
      t_e->do_print ();
      checkpoint->put_event (t_e ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      temperature = random_number (25,30);
      t_e = new Temperature_impl (temperature);
      t_e->origin_id_ (BATHROOM);
      t_e->do_print ();
      checkpoint->put_event (t_e ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      Point point = { random_number (0,4),
                      random_number (0,4),
                      random_number (0,4)  };
      Position_var p_e (ACE_static_cast(Position*,
                                        new Position_impl (point)));
      p_e->origin_id_ (JONAS);
      p_e->do_print ();
      checkpoint->put_event (p_e ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;


      int urgent = (random_number (0,2) > 1) ? 1 : 0;
      const char *a_text = (random_number (0,2) > 1) ? "Coffee is cold."
                                                     : "I want pasta.";
      Log_Msg_var l_e (ACE_static_cast(Log_Msg*,
                                       new Log_Msg_impl (urgent, a_text)));
      l_e->origin_id_ (JONAS);
      l_e->do_print ();
      checkpoint->put_event (l_e ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;


      ACE_DEBUG ((LM_DEBUG, "\nNow getting the alarms:\n"));

      Event_List_var list (checkpoint->get_critical_events (ACE_ENV_SINGLE_ARG_PARAMETER));
      ACE_TRY_CHECK;

      for (Event_List_Iterator i (list); i.next (); i.advance ())
        {
          i.next ()-> do_print ();
        }

      if (checkpoint.shutdown () == 1)
        checkpoint->shutdown (ACE_ENV_SINGLE_ARG_PARAMETER);

      ACE_TRY_CHECK;
    }
  ACE_CATCHANY
    {
      ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION,"\n Exception in RMI");
      return -1;
    }
  ACE_ENDTRY;
  ACE_CHECK_RETURN (-1);

  return 0;
}

// Constructor.
Checkpoint_Client_i::Checkpoint_Client_i (void)
{
  //no-op
}

//Destructor.
Checkpoint_Client_i::~Checkpoint_Client_i (void)
{
  //no-op
}


// A random number in the range of min to max.
CORBA::Float random_number (double min, double max)
{
  double range = max - min;
  return ACE_static_cast (CORBA::Float, (min + (range * ACE_OS::rand () / (RAND_MAX + 1.0))));
}


#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
template class Client<Checkpoint,Checkpoint_var>;
#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#pragma instantiate Client<Checkpoint,Checkpoint_var>
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */