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// ============================================================================
//
// $Id$
//
// ============================================================================
#include "orbsvcs/Time_Utilities.h"
#include "orbsvcs/Runtime_Scheduler.h"
#if defined (__ACE_INLINE__)
#include "orbsvcs/Runtime_Scheduler.i"
#endif /* __ACE_INLINE__ */
ACE_Runtime_Scheduler::
ACE_Runtime_Scheduler (int entry_count,
RtecScheduler::RT_Info* rt_info[])
: entry_count_ (entry_count),
rt_info_ (rt_info)
{
}
RtecScheduler::handle_t
ACE_Runtime_Scheduler::create (const char * entry_point,
CORBA::Environment &_env)
TAO_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::DUPLICATE_NAME))
{
// Just make sure its there and returns its handle (position).
int i;
for (i = 0; i < entry_count_; ++i)
{
if (strcmp (entry_point, rt_info_[i]->entry_point) == 0)
{
return i;
}
}
// TODO: throw an exception or print an error.
return -1;
}
RtecScheduler::handle_t
ACE_Runtime_Scheduler::lookup (const char * entry_point,
CORBA::Environment &_env)
TAO_THROW_SPEC ((CORBA::SystemException))
{
return create (entry_point, _env);
}
RtecScheduler::RT_Info*
ACE_Runtime_Scheduler::get (RtecScheduler::handle_t handle,
CORBA::Environment &_env)
TAO_THROW_SPEC((CORBA::SystemException,
RtecScheduler::UNKNOWN_TASK))
{
if (handle < 0 || handle > entry_count_)
{
TAO_THROW_RETURN (RtecScheduler::UNKNOWN_TASK(), 0);
}
return rt_info_[handle];
}
void ACE_Runtime_Scheduler::set (RtecScheduler::handle_t handle,
RtecScheduler::Criticality criticality,
const RtecScheduler::Time &time,
const RtecScheduler::Time &typical_time,
const RtecScheduler::Time &cached_time,
RtecScheduler::Period period,
RtecScheduler::Importance importance,
const RtecScheduler::Quantum &quantum,
CORBA::Long threads,
RtecScheduler::Info_Type info_type,
CORBA::Environment &_env)
TAO_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::UNKNOWN_TASK))
{
// We compare the values with the ones stored and print a message on
// any differences.
if (handle < 0 || handle > entry_count_)
{
TAO_THROW (RtecScheduler::UNKNOWN_TASK);
ACE_NOTREACHED (return);
}
if (rt_info_[handle]->criticality != criticality
|| rt_info_[handle]->worst_case_execution_time != time
|| rt_info_[handle]->typical_execution_time != typical_time
|| rt_info_[handle]->cached_execution_time != cached_time
|| rt_info_[handle]->period != period
|| rt_info_[handle]->importance != importance
|| rt_info_[handle]->quantum != quantum
|| rt_info_[handle]->info_type != info_type
|| rt_info_[handle]->threads != threads)
{
ACE_ERROR ((LM_ERROR, "invalid data for RT_Info: %s\n",
(const char*)rt_info_[handle]->entry_point));
// TODO: throw something here.
}
}
void ACE_Runtime_Scheduler::priority (RtecScheduler::handle_t handle,
RtecScheduler::OS_Priority& priority,
RtecScheduler::Sub_Priority& subpriority,
RtecScheduler::Preemption_Priority& p_priority,
CORBA::Environment &_env)
TAO_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::UNKNOWN_TASK,
RtecScheduler::NOT_SCHEDULED))
{
if (handle < 0 || handle > entry_count_)
{
TAO_THROW (RtecScheduler::UNKNOWN_TASK());
ACE_NOTREACHED (return);
}
priority = rt_info_[handle]->priority;
subpriority = rt_info_[handle]->static_subpriority;
p_priority = rt_info_[handle]->preemption_priority;
}
void ACE_Runtime_Scheduler::entry_point_priority (const char * entry_point,
RtecScheduler::OS_Priority& priority,
RtecScheduler::Sub_Priority& subpriority,
RtecScheduler::Preemption_Priority& p_priority,
CORBA::Environment &_env)
TAO_THROW_SPEC((CORBA::SystemException,
RtecScheduler::UNKNOWN_TASK,
RtecScheduler::NOT_SCHEDULED))
{
RtecScheduler::handle_t handle = lookup (entry_point, _env);
if (handle < -1)
{
// The exception was thrown or is in _env already.
return;
}
this->priority (handle, priority, subpriority, p_priority, _env);
}
void ACE_Runtime_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))
{
if (handle < 0 || handle > entry_count_)
{
TAO_THROW (RtecScheduler::UNKNOWN_TASK);
ACE_NOTREACHED (return);
}
// Just check that the information is consistent.
RtecScheduler::Dependency_Set& deps = rt_info_[handle]->dependencies;
for (CORBA::ULong i = 0; i < deps.length (); ++i)
{
if (deps[i].rt_info == dependency
&& deps[i].number_of_calls == number_of_calls
&& deps[i].dependency_type == dependency_type)
{
return;
}
}
ACE_ERROR ((LM_ERROR, "unmatched dependency on %s\n",
(const char*)rt_info_[handle]->entry_point));
}
void ACE_Runtime_Scheduler::compute_scheduling (CORBA::Long minimum_priority,
CORBA::Long maximum_priority,
RtecScheduler::RT_Info_Set_out infos,
CORBA::Environment &_env)
TAO_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::UTILIZATION_BOUND_EXCEEDED,
RtecScheduler::INSUFFICIENT_THREAD_PRIORITY_LEVELS,
RtecScheduler::TASK_COUNT_MISMATCH))
{
// TODO: Right now just do nothing, later we could validate the
// priorities (without recomputing).
// TODO: fill up the infos.
return;
}
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