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// $Id$
#include "ace/Sched_Params.h"
#include "ace/Arg_Shifter.h"
#include "DSRT_Schedulers.h"
#if ! defined (__ACE_INLINE__)
//#include "DSRT_Schedulers.i"
#endif /* __ACE_INLINE__ */
ACE_RCSID(Kokyu, DSRT_Schedulers, "$Id$")
namespace Kokyu
{
DSRT_Scheduler_Impl::DSRT_Scheduler_Impl ()
:sched_policy_ (ACE_SCHED_FIFO),
sched_scope_ (ACE_SCOPE_THREAD),
min_prio_ (ACE_Sched_Params::priority_min (sched_policy_, sched_scope_)),
max_prio_ (ACE_Sched_Params::priority_max (sched_policy_, sched_scope_))
{
#if defined (ACE_WIN32)
// Count up the number of distinct native priorities on current
// platform.
int n;
Priority_t current_priority = this->min_prio_;
for (n = 1; current_priority != this->max_prio_; ++n)
{
current_priority =
ACE_Sched_Params::next_priority (this->sched_policy_,
current_priority);
}
this->prio_range_ = n-1;
#else
this->prio_range_ = this->max_prio_ - this->min_prio_ + 1;
#endif /* ACE_WIN32 */
}
int
DSRT_Scheduler_Impl::schedule (guid_t id, const DSRT_QoSDescriptor& qos)
{
return this->schedule_i (id, qos);
}
MIF_Scheduler_Impl::MIF_Scheduler_Impl ()
: DSRT_Scheduler_Impl ()
{
}
int
MIF_Scheduler_Impl::init (int argc, ACE_TCHAR* argv[])
{
ACE_Arg_Shifter arg_shifter (argc, argv);
//ACE_DEBUG ((LM_DEBUG, "svc::init called\n"));
while (arg_shifter.is_anything_left ())
{
const ACE_TCHAR* arg = arg_shifter.get_current ();
if (ACE_OS::strcasecmp (arg, ACE_LIB_TEXT("-sched_policy")) == 0)
{
arg_shifter.consume_arg ();
if (arg_shifter.is_parameter_next ())
{
const ACE_TCHAR* opt = arg_shifter.get_current ();
if (ACE_OS::strcasecmp (opt, ACE_LIB_TEXT("FIFO")) == 0)
{
this->sched_policy_ = ACE_SCHED_FIFO;
}
else if (ACE_OS::strcasecmp (opt, ACE_LIB_TEXT("OTHER")) == 0)
{
this->sched_policy_ = ACE_SCHED_OTHER;
}
else
{
ACE_ERROR ((LM_ERROR,
ACE_LIB_TEXT("-sched_policy ")
ACE_LIB_TEXT("unsupported sched policy <%s>\n"),
opt));
}
arg_shifter.consume_arg ();
}
}
else if (ACE_OS::strcasecmp (arg, ACE_LIB_TEXT("-sched_scope")) == 0)
{
arg_shifter.consume_arg ();
if (arg_shifter.is_parameter_next ())
{
const ACE_TCHAR* opt = arg_shifter.get_current ();
if (ACE_OS::strcasecmp (opt, ACE_LIB_TEXT("THREAD")) == 0)
{
this->sched_scope_ = ACE_SCOPE_THREAD;
}
else if (ACE_OS::strcasecmp (opt, ACE_LIB_TEXT("PROCESS")) == 0)
{
this->sched_scope_ = ACE_SCOPE_PROCESS;
}
else
{
ACE_ERROR ((LM_ERROR,
ACE_LIB_TEXT("-sched_scope ")
ACE_LIB_TEXT("unsupported sched scope <%s>\n"),
opt));
}
arg_shifter.consume_arg ();
}
}
else if (ACE_OS::strcasecmp (arg, ACE_LIB_TEXT("-min_importance")) == 0)
{
arg_shifter.consume_arg ();
if (arg_shifter.is_parameter_next ())
{
const ACE_TCHAR* opt = arg_shifter.get_current ();
this->min_importance_ = ACE_OS::atoi (opt);
arg_shifter.consume_arg ();
}
}
else if (ACE_OS::strcasecmp (arg, ACE_LIB_TEXT("-max_importance")) == 0)
{
arg_shifter.consume_arg ();
if (arg_shifter.is_parameter_next ())
{
const ACE_TCHAR* opt = arg_shifter.get_current ();
this->max_importance_ = ACE_OS::atoi (opt);
arg_shifter.consume_arg ();
}
}
}
this->importance_range_ = this->max_importance_ - this->min_importance_;
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT("MIF_Scheduler: importance_range = %d\n"),
this->importance_range_));
return 0;
}
int
MIF_Scheduler_Impl::fini (void)
{
return 0;
}
Priority_t
MIF_Scheduler_Impl::schedule_i (guid_t id, const DSRT_QoSDescriptor& qos)
{
ACE_UNUSED_ARG ((id));
// ACE_DEBUG ((LM_DEBUG, "(%t) request for MIF schedule\n"));
Priority_t prio = qos.importance_ * this->prio_range_ / this->importance_range_;
if (prio > max_prio_)
{
prio = max_prio_;
}
return prio;
}
}
// ****************************************************************
//could not use ACE_FACTORY_DEFINE macro here because of Kokyu namespace
// see new Kokyu::MIF_Scheduler_Impl in _make_xx factory function
//need to revisit later
void _gobble_MIF_Scheduler_Impl (void *p) { \
ACE_Service_Object *_p = ACE_static_cast (ACE_Service_Object *, p);
ACE_ASSERT (_p != 0);
delete _p; }
extern "C" Kokyu_Export ACE_Service_Object *
_make_MIF_Scheduler_Impl (ACE_Service_Object_Exterminator *gobbler)
{
if (gobbler != 0)
*gobbler = (ACE_Service_Object_Exterminator) _gobble_MIF_Scheduler_Impl;
ACE_DEBUG ((LM_DEBUG, "about to create MIF_Scheduler_Impl\n" ));
return new Kokyu::MIF_Scheduler_Impl;
}
// ****************************************************************
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