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// ============================================================================
//
// $Id$
//
// ============================================================================
#include "orbsvcs/Time_Utilities.h"
#include "orbsvcs/Scheduler_Factory.h"
#include "Config_Scheduler.h"
#if defined (__ACE_INLINE__)
#include "Config_Scheduler.i"
#endif /* __ACE_INLINE__ */
ACE_RCSID(Sched, Config_Scheduler, "$Id$")
ACE_Config_Scheduler::ACE_Config_Scheduler (void)
#if defined (TAO_USES_STRATEGY_SCHEDULER)
: scheduler_strategy_ ((RtecScheduler::Preemption_Priority) TAO_MIN_CRITICAL_PRIORITY)
, impl (new ACE_Strategy_Scheduler (scheduler_strategy_))
#else
: impl (new Scheduler_Generic)
#endif /* defined (TAO_USES_STRATEGY_SCHEDULER) */
{
// impl->output_level (10);
}
ACE_Config_Scheduler::~ACE_Config_Scheduler (void)
{
delete impl;
}
RtecScheduler::handle_t
ACE_Config_Scheduler::create (const char * entry_point,
CORBA::Environment &)
TAO_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::DUPLICATE_NAME))
{
typedef RtecScheduler::RT_Info* RT_Info_ptr;
RtecScheduler::RT_Info** rt_info;
ACE_NEW_RETURN (rt_info, RT_Info_ptr[1], -1);
ACE_NEW_RETURN (rt_info[0], RtecScheduler::RT_Info, -1);
rt_info[0]->entry_point = CORBA::string_dup(entry_point);
rt_info[0]->handle = -1;
rt_info[0]->worst_case_execution_time = ORBSVCS_Time::zero;
rt_info[0]->typical_execution_time = ORBSVCS_Time::zero;
rt_info[0]->cached_execution_time = ORBSVCS_Time::zero;
rt_info[0]->period = 0;
rt_info[0]->importance = RtecScheduler::VERY_LOW_IMPORTANCE;
rt_info[0]->quantum = ORBSVCS_Time::zero;
rt_info[0]->threads = 0;
rt_info[0]->priority = 0;
rt_info[0]->preemption_subpriority = 0;
rt_info[0]->preemption_priority = 0;
RtecScheduler::handle_t handle = -1;
#if defined (TAO_USES_STRATEGY_SCHEDULER)
switch (impl->register_task (rt_info[0], handle))
#else
switch (impl->register_task (rt_info, 1, handle))
#endif /* defined (TAO_USES_STRATEGY_SCHEDULER) */
{
case BaseSchedImplType::SUCCEEDED:
break;
case BaseSchedImplType::ST_VIRTUAL_MEMORY_EXHAUSTED:
case BaseSchedImplType::ST_TASK_ALREADY_REGISTERED:
default:
delete rt_info[0];
delete[] rt_info;
ACE_ERROR ((LM_ERROR,
"Config_Scheduler::create - register_task failed\n"));
// @@ TODO: throw something.
break;
}
return handle;
}
RtecScheduler::handle_t
ACE_Config_Scheduler::lookup (const char * entry_point,
CORBA::Environment &)
TAO_THROW_SPEC ((CORBA::SystemException))
{
RtecScheduler::RT_Info* rt_info = 0;
switch (impl->get_rt_info (entry_point, rt_info))
{
case BaseSchedImplType::SUCCEEDED:
return rt_info->handle;
ACE_NOTREACHED (break);
case BaseSchedImplType::FAILED:
case BaseSchedImplType::ST_UNKNOWN_TASK:
default:
ACE_ERROR ((LM_ERROR,
"Config_Scheduler::lookup - get_rt_info failed\n"));
// @@ TODO: throw something.
break;
}
return -1;
}
RtecScheduler::RT_Info*
ACE_Config_Scheduler::get (RtecScheduler::handle_t handle,
CORBA::Environment &)
TAO_THROW_SPEC((CORBA::SystemException,
RtecScheduler::UNKNOWN_TASK))
{
RtecScheduler::RT_Info* rt_info = 0;
switch (impl->lookup_rt_info (handle, rt_info))
{
case BaseSchedImplType::SUCCEEDED:
{
// IDL memory managment semantics require the we return a copy
RtecScheduler::RT_Info* copy;
ACE_NEW_RETURN (copy, RtecScheduler::RT_Info (*rt_info), 0);
return copy;
}
ACE_NOTREACHED (break);
case BaseSchedImplType::FAILED:
case BaseSchedImplType::ST_UNKNOWN_TASK:
default:
ACE_ERROR ((LM_ERROR,
"Config_Scheduler::get - lookup_rt_info failed\n"));
// @@ TODO: throw something.
break;
}
return 0;
}
void ACE_Config_Scheduler::set (RtecScheduler::handle_t handle,
RtecScheduler::Criticality criticality,
RtecScheduler::Time time,
RtecScheduler::Time typical_time,
RtecScheduler::Time cached_time,
RtecScheduler::Period period,
RtecScheduler::Importance importance,
RtecScheduler::Quantum quantum,
CORBA::Long threads,
RtecScheduler::Info_Type info_type,
CORBA::Environment &)
TAO_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::UNKNOWN_TASK))
{
RtecScheduler::RT_Info* rt_info = 0;
switch (impl->lookup_rt_info (handle, rt_info))
{
case BaseSchedImplType::SUCCEEDED:
rt_info->criticality = criticality,
rt_info->worst_case_execution_time = time;
rt_info->typical_execution_time = typical_time;
rt_info->cached_execution_time = cached_time;
rt_info->period = period;
rt_info->importance = importance;
rt_info->quantum = quantum;
rt_info->threads = threads;
rt_info->info_type = info_type;
break;
case BaseSchedImplType::FAILED:
case BaseSchedImplType::ST_UNKNOWN_TASK:
default:
ACE_ERROR ((LM_ERROR,
"Config_Scheduler::set - lookup_rt_info failed\n"));
// @@ TODO: throw something.
break;
}
}
void ACE_Config_Scheduler::priority (RtecScheduler::handle_t handle,
RtecScheduler::OS_Priority& priority,
RtecScheduler::Preemption_Subpriority& p_subpriority,
RtecScheduler::Preemption_Priority& p_priority,
CORBA::Environment &_env)
TAO_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::UNKNOWN_TASK,
RtecScheduler::NOT_SCHEDULED))
{
ACE_UNUSED_ARG (_env);
if (impl->priority (handle, priority, p_subpriority, p_priority) == -1)
{
ACE_ERROR ((LM_ERROR,
"Config_Scheduler::priority - priority failed\n"));
// TODO: throw something.
}
}
void ACE_Config_Scheduler::entry_point_priority (const char * entry_point,
RtecScheduler::OS_Priority& priority,
RtecScheduler::Preemption_Subpriority& p_subpriority,
RtecScheduler::Preemption_Priority& p_priority,
CORBA::Environment &_env)
TAO_THROW_SPEC((CORBA::SystemException,
RtecScheduler::UNKNOWN_TASK,
RtecScheduler::NOT_SCHEDULED))
{
this->priority (lookup (entry_point, _env),
priority, p_subpriority, p_priority,
_env);
}
void ACE_Config_Scheduler::add_dependency (RtecScheduler::handle_t handle,
RtecScheduler::handle_t dependency,
CORBA::Long number_of_calls,
RtecScheduler::Dependency_Type
dependency_type,
CORBA::Environment &_env)
TAO_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::UNKNOWN_TASK))
{
ACE_UNUSED_ARG (_env);
RtecScheduler::RT_Info* rt_info = 0;
switch (impl->lookup_rt_info (handle, rt_info))
{
case BaseSchedImplType::SUCCEEDED:
{
RtecScheduler::Dependency_Info dep;
dep.rt_info = dependency;
dep.number_of_calls = number_of_calls;
dep.dependency_type = dependency_type;
#if defined (TAO_USES_STRATEGY_SCHEDULER)
impl->add_dependency (rt_info, dep);
#else
BaseSchedImplType::add_dependency (rt_info, dep);
#endif /* defined (TAO_USES_STRATEGY_SCHEDULER) */
}
break;
case BaseSchedImplType::FAILED:
case BaseSchedImplType::ST_UNKNOWN_TASK:
default:
ACE_ERROR ((LM_ERROR,
"cannot find %d to add dependency", handle));
// TODO: throw something.
break;
}
}
void ACE_Config_Scheduler::compute_scheduling (CORBA::Long minimum_priority,
CORBA::Long maximum_priority,
RtecScheduler::RT_Info_Set_out infos,
RtecScheduler::Config_Info_Set_out configs,
CORBA::Environment &_env)
TAO_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::UTILIZATION_BOUND_EXCEEDED,
RtecScheduler::INSUFFICIENT_THREAD_PRIORITY_LEVELS,
RtecScheduler::TASK_COUNT_MISMATCH))
{
ACE_UNUSED_ARG (_env);
impl->init (minimum_priority, maximum_priority);
if (impl->schedule () != BaseSchedImplType::SUCCEEDED)
{
// TODO: throw something.
ACE_ERROR ((LM_ERROR, "schedule failed\n"));
return;
}
// return the set of scheduled RT_Infos
if (infos.ptr () == 0)
{
infos = new RtecScheduler::RT_Info_Set(impl->tasks ());
}
infos->length (impl->tasks ());
for (RtecScheduler::handle_t handle = 1;
handle <= (RtecScheduler::handle_t) impl->tasks ();
++handle)
{
RtecScheduler::RT_Info* rt_info = 0;
switch (impl->lookup_rt_info (handle, rt_info))
{
case BaseSchedImplType::SUCCEEDED:
// We know that handles start at 1.
infos[CORBA::ULong(handle - 1)] = *rt_info;
break;
case BaseSchedImplType::FAILED:
case BaseSchedImplType::ST_UNKNOWN_TASK:
default:
ACE_ERROR ((LM_ERROR,
"Config_Scheduler::schedule - lookup_rt_info failed\n"));
// TODO: throw something.
break;
}
}
// return the set of scheduled Config_Infos
if (configs.ptr () == 0)
{
configs = new RtecScheduler::Config_Info_Set(impl->minimum_priority_queue () + 1);
}
configs->length (impl->minimum_priority_queue () + 1);
for (RtecScheduler::Preemption_Priority priority = 0;
priority <= (RtecScheduler::Preemption_Priority) impl->minimum_priority_queue ();
++priority)
{
RtecScheduler::Config_Info* config_info = 0;
switch (impl->lookup_config_info (priority, config_info))
{
case BaseSchedImplType::SUCCEEDED:
// We know that handles start at 1.
configs[CORBA::ULong(priority)] = *config_info;
break;
case BaseSchedImplType::FAILED:
case BaseSchedImplType::ST_UNKNOWN_TASK:
default:
ACE_ERROR ((LM_ERROR,
"Config_Scheduler::schedule - lookup_config_info failed\n"));
// TODO: throw something.
break;
}
}
ACE_DEBUG ((LM_DEBUG, "schedule prepared\n"));
ACE_DEBUG ((LM_DEBUG, "dumping to stdout\n"));
ACE_Scheduler_Factory::dump_schedule (*(infos.ptr()), *(configs.ptr()), 0);
ACE_DEBUG ((LM_DEBUG, "dump done\n"));
}
void ACE_Config_Scheduler::dispatch_configuration (RtecScheduler::Preemption_Priority p_priority,
RtecScheduler::OS_Priority& priority,
RtecScheduler::Dispatching_Type & d_type,
CORBA::Environment &_env)
TAO_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::NOT_SCHEDULED,
RtecScheduler::UNKNOWN_PRIORITY_LEVEL))
{
ACE_UNUSED_ARG (_env);
if (impl->dispatch_configuration (p_priority, priority, d_type) == -1)
{
ACE_ERROR ((LM_ERROR,
"Config_Scheduler::dispatch_configuration -"
" dispatch_configuration failed\n"));
// TODO: throw something.
}
}
// provide the thread priority and queue type for the given priority level
RtecScheduler::Preemption_Priority
ACE_Config_Scheduler::last_scheduled_priority (CORBA::Environment &_env)
TAO_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::NOT_SCHEDULED))
{
ACE_UNUSED_ARG (_env);
RtecScheduler::Preemption_Priority priority = impl->minimum_priority_queue ();
if (priority < 0)
{
ACE_ERROR ((LM_ERROR,
"Config_Scheduler::last_scheduled_priority - priorities failed\n"));
// TODO: throw something.
}
return priority;
}
// Returns the last priority number assigned to an operation in the schedule.
// The number returned is one less than the total number of scheduled priorities.
// All scheduled priorities range from 0 to the number returned, inclusive.
|
