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// $Id$
#include "Default_Dispatcher_Impl.h"
#include "ace/Sched_Params.h"
#if ! defined (__ACE_INLINE__)
#include "Default_Dispatcher_Impl.i"
#endif /* __ACE_INLINE__ */
ACE_RCSID(Kokyu, Default_Dispatcher_Impl, "$Id$")
namespace Kokyu
{
Default_Dispatcher_Impl::Default_Dispatcher_Impl ()
: activated_ (0)
{
}
int
Default_Dispatcher_Impl::init_i (const Dispatcher_Attributes& attrs)
{
//create and init the dispatcher tasks here
//ACE_DEBUG ((LM_DEBUG, "entering init_t\n" ));
int size;
size = attrs.config_info_set_.size ();
if (size == 0)
return -1;
this->ntasks_ = size;
Dispatcher_Task_Auto_Ptr * tasks_array=0;
ACE_NEW_RETURN (tasks_array, Dispatcher_Task_Auto_Ptr[ntasks_], -1);
//ACE_DEBUG ((LM_DEBUG, "after new on task array\n" ));
tasks_.reset(tasks_array);
//ACE_DEBUG ((LM_DEBUG, "task array auto_ptr set\n" ));
ConfigInfoSet& config_set =
const_cast<ConfigInfoSet&> (attrs.config_info_set_);
ConfigInfoSet::ITERATOR iter(config_set);
int i=0;
ConfigInfo* config;
for (;i<size && iter.next (config);iter.advance ())
{
//ACE_DEBUG ((LM_DEBUG, "iter = %d\n", i));
Dispatcher_Task* task=0;
ACE_NEW_RETURN (task, Dispatcher_Task (*config), -1);
auto_ptr<Dispatcher_Task> tmp_task_auto_ptr (task);
tasks_[i++] = tmp_task_auto_ptr;
//I couldn't use reset because MSVC++ auto_ptr does not have reset method.
//So in configurations where the auto_ptr maps to the std::auto_ptr instead
//of ACE auto_ptr, this would be a problem.
//tasks_[i++].reset (task);
}
if (attrs.immediate_activation_ && !this->activated_)
{
this->activate_i ();
}
curr_config_info_ = attrs.config_info_set_;
return 0;
}
int
Default_Dispatcher_Impl::activate_i ()
{
int i;
if (this->activated_)
return 0;
for(i=0; i<ntasks_; ++i)
{
long flags = THR_BOUND | THR_SCHED_FIFO;
Priority_t priority =
tasks_[i]->get_curr_config_info ().thread_priority_;
if (this->tasks_[i]->activate (flags, 1, 1, priority) == -1)
{
flags = THR_BOUND;
priority = ACE_Sched_Params::priority_min (ACE_SCHED_OTHER,
ACE_SCOPE_THREAD);
if (this->tasks_[i]->activate (flags, 1, 1, priority) == -1)
ACE_ERROR ((LM_ERROR,
"EC (%P|%t) cannot activate queue %d", i));
}
}
this->activated_ = 1;
return 0;
}
Dispatcher_Task*
Default_Dispatcher_Impl::find_task_with_preemption_prio (Priority_t prio)
{
int i;
if (prio >=0)
{
for( i=0; i<ntasks_; ++i)
{
if ( tasks_[i]->preemption_priority () == prio)
return tasks_[i].get();
}
}
return 0;
}
int
Default_Dispatcher_Impl::dispatch_i (const Dispatch_Command* cmd,
const QoSDescriptor& qos_info)
{
//delegate to the appropriate task
if (qos_info.preemption_priority_ < 0)
return -1;
Dispatcher_Task* task =
find_task_with_preemption_prio (qos_info.preemption_priority_);
if (task != 0)
task->enqueue (cmd, qos_info);
else
tasks_[0]->enqueue (cmd, qos_info);
return 0;
}
int
Default_Dispatcher_Impl::shutdown_i ()
{
//post shutdown command to all tasks
int i;
for(i=0; i<ntasks_; ++i)
{
QoSDescriptor qos_info;
Shutdown_Task_Command* shutdown_cmd = 0;
ACE_NEW_RETURN (shutdown_cmd, Shutdown_Task_Command, -1);
tasks_[i]->enqueue (shutdown_cmd, qos_info);
}
return 0;
}
}
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