TAO/examples/RTScheduling/MIF_Scheduler/MIF_DT_Creator.cpp

   1 #include "MIF_DT_Creator.h"
   2 #include "test.h"
   3 #include "MIF_Task.h"
   4
   5 MIF_DT_Creator::MIF_DT_Creator ()
   6 {
   7   DT_TEST::instance ()->dt_creator (this);
   8 }
   9
  10 Thread_Task*
  11 MIF_DT_Creator::create_thr_task (int importance,
  12                                  time_t start_time,
  13                                  int load,
  14                                  int iter,
  15                                  int dist,
  16                                  char *job_name)
  17 {
  18   MIF_Task* task;
  19   ACE_NEW_RETURN (task,
  20                   MIF_Task (importance,
  21                             start_time,
  22                             load,
  23                             iter,
  24                             dist,
  25                             job_name,
  26                             this),
  27                   0);
  28   return task;
  29 }
  30
  31 CORBA::Policy_ptr
  32 MIF_DT_Creator::sched_param (int importance)
  33 {
  34   return DT_TEST::instance ()->scheduler ()->create_segment_scheduling_parameter (importance);
  35 }
  36
  37 void
  38 MIF_DT_Creator::yield (time_t suspend_time,
  39                        Thread_Task*)
  40 {
  41   try
  42     {
  43       CORBA::Object_var object =
  44         this->orb_->resolve_initial_references ("RTScheduler_Current");
  45       RTScheduling::Current_var current =
  46         RTScheduling::Current::_narrow (object.in ());
  47
  48       ACE_Time_Value const sus_time_value (suspend_time);
  49       ACE_Time_Value now (ACE_OS::gettimeofday ());
  50       while (((now - *base_time_) < sus_time_value) || (suspend_time == 1))
  51         {
  52           ACE_OS::sleep (1);
  53           CORBA::Policy_var sched_param;
  54           sched_param = this->sched_param (100);
  55           const char * name = 0;
  56           current->update_scheduling_segment (name,
  57                                               sched_param.in (),
  58                                               sched_param.in ());
  59           now = ACE_OS::gettimeofday ();
  60           if (suspend_time == 1)
  61             break;
  62         }
  63     }
  64   catch (const CORBA::Exception& ex)
  65     {
  66       ex._tao_print_exception ("Caught exception:");
  67     }
  68 }
  69
  70 int
  71 MIF_DT_Creator::total_load ()
  72 {
  73   return 1000;
  74 }
  75
  76 void
  77 MIF_DT_Creator::wait ()
  78 {
  79   while (active_dt_count_ > 0 || active_job_count_ > 0)
  80     {
  81       try
  82         {
  83           (void)this->orb_->work_pending ();
  84         }
  85       catch (const CORBA::BAD_INV_ORDER &)
  86         {
  87           // If there is BAD_INV_ORDER exception there is
  88           // no point in running this loop any more.
  89           break;
  90         }
  91       yield(1,0);
  92     }
  93 }
  94
  95 ACE_STATIC_SVC_DEFINE(MIF_DT_Creator,
  96                       ACE_TEXT ("MIF_DT_Creator"),
  97                       ACE_SVC_OBJ_T,
  98                       &ACE_SVC_NAME (MIF_DT_Creator),
  99                       ACE_Service_Type::DELETE_THIS | ACE_Service_Type::DELETE_OBJ,
 100                       0)
 101
 102 ACE_FACTORY_DEFINE (ACE_Local_Service, MIF_DT_Creator)