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path: root/TAO/examples/RTScheduling/Job_i.cpp
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#include "Job_i.h"
#include "DT_Creator.h"
#include "Task_Stats.h"

#include "tao/debug.h"

#include "ace/Arg_Shifter.h"
#include "ace/High_Res_Timer.h"
#include "ace/OS_NS_sys_time.h"
#include "ace/Countdown_Time.h"

Job_i::Job_i (DT_Creator* dt_creator)
  : dt_creator_ (dt_creator),
    guid_ (0)
{
  // create the stat object.
  ACE_NEW (task_stats_, Task_Stats);
  task_stats_->init (100);
}

Job_i::~Job_i ()
{
  delete task_stats_;
}

const ACE_CString&
Job_i::name ()
{
  return job_name_;
}

const ACE_CString&
Job_i::poa ()
{
  return POA_name_;
}

int
Job_i::init (ACE_Arg_Shifter& arg_shifter)
{
  // Read the name of the Job
  job_name_ = ACE_TEXT_ALWAYS_CHAR(arg_shifter.get_current ());
  arg_shifter.consume_arg ();

  // Read the name of the POA
  POA_name_ = ACE_TEXT_ALWAYS_CHAR(arg_shifter.get_current ());
  arg_shifter.consume_arg ();

  return 0;
}

void
Job_i::work (CORBA::ULong work,
       CORBA::Short importance)
{
  static CORBA::ULong prime_number = 9619;

  if (TAO_debug_level > 0)
    ACE_DEBUG ((LM_DEBUG,
    "Job_i::work: %d units of work\n",
    work));

  CORBA::Object_var object =
    this->dt_creator_->orb ()->resolve_initial_references (
                                         "RTScheduler_Current");

  RTScheduling::Current_var current =
    RTScheduling::Current::_narrow (object.in ());
  RTScheduling::Current::IdType_var guid = current->id ();

  if (guid_ == 0)
    ACE_OS::memcpy (&guid_,
                    guid->get_buffer (),
                    sizeof (guid->length ()));

  if (TAO_debug_level > 0)
    ACE_DEBUG ((LM_DEBUG,
    "%t Guid is %d, Importance is %d\n",
    guid_,
    importance));

  ACE_TCHAR msg [BUFSIZ];
  ACE_OS::sprintf (msg,
                   ACE_TEXT("Guid is ")
                   ACE_SIZE_T_FORMAT_SPECIFIER
                   ACE_TEXT("\n"), guid_);

  dt_creator_->log_msg (ACE_TEXT_ALWAYS_CHAR(msg));

  for (; work != 0; work--)
    {
      //    ACE_hrtime_t now = ACE_OS::gethrtime ();

      ACE_Time_Value *base_time = dt_creator_->base_time ();
      if (base_time == 0)
        return;

      ACE_Time_Value run_time = ACE_OS::gettimeofday () - *(base_time);
      TASK_STATS::instance ()->sample (run_time.sec (), guid_);

      ACE_Time_Value count_down_time (1);
      ACE_Countdown_Time count_down (&count_down_time);

      while (count_down_time > ACE_Time_Value::zero)
        {
          ACE::is_prime (prime_number,
            2,
            prime_number / 2);
          count_down.update ();
        }

      run_time = ACE_OS::gettimeofday () - *(dt_creator_->base_time ());
      TASK_STATS::instance ()->sample (run_time.sec (), guid_);

      CORBA::Policy_var sched_param;
      sched_param = dt_creator_->sched_param (importance);
      const char * name = 0;
      current->update_scheduling_segment (name,
                sched_param.in (),
                sched_param.in ());
    }
}

void
Job_i::post_work (int /*guid*/,
      int /*importance*/)
{
}

int
Job_i::guid ()
{
  return this->guid_;
}

void
Job_i::shutdown ()
{
  dt_creator_->job_ended ();
}

void
Job_i::dump_stats ()
{
  ACE_TCHAR fname [BUFSIZ];
  ACE_OS::sprintf (fname,
                   ACE_TEXT("Job_")
                   ACE_SIZE_T_FORMAT_SPECIFIER
                   ACE_TEXT(".dat"),
                   guid_);

  if (TAO_debug_level > 0)
    ACE_DEBUG ((LM_DEBUG,
    "File name %s\n",
    fname));

  ACE_TCHAR msg [BUFSIZ];
  ACE_OS::sprintf (msg,
                   ACE_TEXT("#Schedule Output for DT ")
                   ACE_SIZE_T_FORMAT_SPECIFIER,
                   guid_);

  task_stats_->dump_samples (fname, msg);
}