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// $Id$
// This program simulates a scheduler configuration run,
// and dumps the results of one scheduling in a C++ file.
#include "ace/Sched_Params.h"
#include "ace/Get_Opt.h"
#include "tao/corba.h"
#include "orbsvcs/CosNamingC.h"
#include "orbsvcs/Scheduler_Factory.h"
const char* service_name = "ScheduleService";
const char* format_string = "{\"%s\", %d, {%d,%d}, {%d,%d}, "
"{%d,%d}, %7d, "
"(RtecScheduler::Criticality) %d, "
"(RtecScheduler::Importance) %d, "
"{%d,%d}, %d, %2d, %d, %d, "
"(RtecScheduler::Info_Type) %d }";
int
parse_args (int argc, char *argv [])
{
ACE_Get_Opt get_opt (argc, argv, "n:");
int opt;
while ((opt = get_opt ()) != EOF)
{
switch (opt)
{
case 'n':
service_name = get_opt.optarg;
break;
case '?':
default:
ACE_DEBUG ((LM_DEBUG,
"Usage: %s "
"-n service_name "
"\n",
argv[0]));
return -1;
}
}
return 0;
}
int
main (int argc, char *argv[])
{
if (parse_args (argc, argv) != 0)
{
return 1;
}
// create initial data for supplier and consumer operations
const int operation_count = 8;
ACE_Scheduler_Factory::POD_RT_Info config_infos[operation_count] = {
// 20 Hz high criticality supplier
{ "hi_20_S", // entry point
0, // handle
{0, 0}, // worst case execution time
{0, 0}, // typical execution time (unused)
{0, 0}, // cached execution time
500000, // period (100 ns)
RtecScheduler::HIGH_CRITICALITY, // criticality
RtecScheduler::LOW_IMPORTANCE, // importance
{0, 0}, // quantum (unused)
1, // threads
0, // OS priority
0, // Preemption subpriority
0, // Preemption priority
RtecScheduler::OPERATION // info type
},
// 20 Hz low criticality supplier
{ "lo_20_S", // entry point
0, // handle
{0, 0}, // worst case execution time
{0, 0}, // typical execution time (unused)
{0, 0}, // cached execution time
500000, // period (100 ns)
RtecScheduler::LOW_CRITICALITY, // criticality
RtecScheduler::HIGH_IMPORTANCE, // importance
{0, 0}, // quantum (unused)
1, // threads
0, // OS priority
0, // Preemption subpriority
0, // Preemption priority
RtecScheduler::OPERATION // info type
},
// 10 Hz high criticality supplier
{ "hi_10_S", // entry point
0, // handle
{0, 0}, // worst case execution time
{0, 0}, // typical execution time (unused)
{0, 0}, // cached execution time
1000000, // period (100 ns)
RtecScheduler::HIGH_CRITICALITY, // criticality
RtecScheduler::LOW_IMPORTANCE, // importance
{0, 0}, // quantum (unused)
1, // threads
0, // OS priority
0, // Preemption subpriority
0, // Preemption priority
RtecScheduler::OPERATION // info type
},
// 10 Hz low criticality supplier
{ "lo_10_S", // entry point
0, // handle
{0, 0}, // worst case execution time
{0, 0}, // typical execution time (unused)
{0, 0}, // cached execution time
1000000, // period (100 ns)
RtecScheduler::LOW_CRITICALITY, // criticality
RtecScheduler::HIGH_IMPORTANCE, // importance
{0, 0}, // quantum (unused)
1, // threads
0, // OS priority
0, // Preemption subpriority
0, // Preemption priority
RtecScheduler::OPERATION // info type
},
// 20 Hz high criticality consumer
{ "hi_20_C", // entry point
0, // handle
{0, 0}, // worst case execution time
{0, 0}, // typical execution time (unused)
{0, 0}, // cached execution time
0, // period (zero)
RtecScheduler::HIGH_CRITICALITY, // criticality
RtecScheduler::LOW_IMPORTANCE, // importance
{0, 0}, // quantum (unused)
0, // threads
0, // OS priority
0, // Preemption subpriority
0, // Preemption priority
RtecScheduler::OPERATION // info type
},
// 20 Hz low criticality consumer
{ "lo_20_C", // entry point
0, // handle
{0, 0}, // worst case execution time
{0, 0}, // typical execution time (unused)
{0, 0}, // cached execution time
0, // period (zero)
RtecScheduler::LOW_CRITICALITY, // criticality
RtecScheduler::HIGH_IMPORTANCE, // importance
{0, 0}, // quantum (unused)
0, // threads
0, // OS priority
0, // Preemption subpriority
0, // Preemption priority
RtecScheduler::OPERATION // info type
},
// 10 Hz high criticality consumer
{ "hi_10_C", // entry point
0, // handle
{0, 0}, // worst case execution time
{0, 0}, // typical execution time (unused)
{0, 0}, // cached execution time
0, // period (zero)
RtecScheduler::HIGH_CRITICALITY, // criticality
RtecScheduler::LOW_IMPORTANCE, // importance
{0, 0}, // quantum (unused)
0, // threads
0, // OS priority
0, // Preemption subpriority
0, // Preemption priority
RtecScheduler::OPERATION // info type
},
// 10 Hz low criticality consumer
{ "lo_10_C", // entry point
0, // handle
{0, 0}, // worst case execution time
{0, 0}, // typical execution time (unused)
{0, 0}, // cached execution time
0, // period (zero)
RtecScheduler::LOW_CRITICALITY, // criticality
RtecScheduler::HIGH_IMPORTANCE, // importance
{0, 0}, // quantum (unused)
0, // threads
0, // OS priority
0, // Preemption subpriority
0, // Preemption priority
RtecScheduler::OPERATION // info type
}
};
TAO_TRY
{
// Initialize ORB.
CORBA::ORB_var orb =
CORBA::ORB_init (argc, argv, "internet", TAO_TRY_ENV);
TAO_CHECK_ENV;
CORBA::Object_var poa_object =
orb->resolve_initial_references("RootPOA");
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(), TAO_TRY_ENV);
TAO_CHECK_ENV;
PortableServer::POAManager_var poa_manager =
root_poa->the_POAManager (TAO_TRY_ENV);
TAO_CHECK_ENV;
CORBA::Object_var naming_obj =
orb->resolve_initial_references ("NameService");
if (CORBA::is_nil(naming_obj.in ()))
ACE_ERROR_RETURN ((LM_ERROR,
" (%P|%t) Unable to initialize the POA.\n"),
1);
CosNaming::NamingContext_var naming_context =
CosNaming::NamingContext::_narrow (naming_obj.in (), TAO_TRY_ENV);
TAO_CHECK_ENV;
if (ACE_Scheduler_Factory::use_config (naming_context.in (), service_name) < 0)
{
ACE_ERROR_RETURN ((LM_ERROR,
" (%P|%t) Unable to bind to the scheduling service.\n"),
1);
}
// create and initialize RT_Infos in the scheduler,
// make second half of array depend on first half.
for (int i = 0; i < operation_count; ++i)
{
// create the RT_Info
config_infos[i].handle =
ACE_Scheduler_Factory::server ()->create (config_infos[i].entry_point,
TAO_TRY_ENV);
// initialize the RT_Info
ACE_Scheduler_Factory::server ()->
set (config_infos[i].handle,
(RtecScheduler::Criticality) config_infos[i].criticality,
config_infos[i].worst_case_execution_time,
config_infos[i].typical_execution_time,
config_infos[i].cached_execution_time,
config_infos[i].period,
(RtecScheduler::Importance) config_infos[i].importance,
config_infos[i].quantum,
config_infos[i].threads,
(RtecScheduler::Info_Type) config_infos[i].info_type,
TAO_TRY_ENV);
// make operations in second half dependant on
// operations in the first half of the array,
// and have each called twice as a oneway call
if (i >= (operation_count / 2))
{
ACE_Scheduler_Factory::server ()->
add_dependency (config_infos[i].handle,
config_infos[i - (operation_count / 2)].handle,
2, // number of calls
RtecScheduler::ONE_WAY_CALL, // type of dependency
TAO_TRY_ENV);
}
}
RtecScheduler::RT_Info_Set_var infos;
#if defined (__SUNPRO_CC)
// Sun C++ 4.2 warns with the code below:
// Warning (Anachronism): Temporary used for non-const
// reference, now obsolete.
// Note: Type "CC -migration" for more on anachronisms.
// Warning (Anachronism): The copy constructor for argument
// infos of type RtecScheduler::RT_Info_Set_out should take
// const RtecScheduler::RT_Info_Set_out&.
// But, this code is not CORBA conformant, because users should
// not define instances of _out types.
RtecScheduler::RT_Info_Set_out infos_out (infos);
ACE_Scheduler_Factory::server ()->compute_scheduling
(ACE_Sched_Params::priority_min (ACE_SCHED_FIFO,
ACE_SCOPE_THREAD),
ACE_Sched_Params::priority_max (ACE_SCHED_FIFO,
ACE_SCOPE_THREAD),
infos_out, TAO_TRY_ENV);
#else /* ! __SUNPRO_CC */
ACE_Scheduler_Factory::server ()->compute_scheduling
(ACE_Sched_Params::priority_min (ACE_SCHED_FIFO,
ACE_SCOPE_THREAD),
ACE_Sched_Params::priority_max (ACE_SCHED_FIFO,
ACE_SCOPE_THREAD),
infos.out (), TAO_TRY_ENV);
#endif /* ! __SUNPRO_CC */
TAO_CHECK_ENV;
ACE_Scheduler_Factory::dump_schedule (infos.in (),
"Sched_Conf_Runtime.h",
format_string);
}
TAO_CATCH (CORBA::SystemException, sys_ex)
{
TAO_TRY_ENV.print_exception ("SYS_EX");
}
TAO_ENDTRY;
return 0;
}
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