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#include "Local_Monitor.h"
#include "ace/Reactor.h"
#include "orbsvcs/CosNamingC.h"
#include "tao/ORB_Core.h"
namespace CIAO
{
namespace RACE
{
Local_Monitor::Local_Monitor (const char *,
CORBA::ORB_ptr orb)
: handler_ (new Event_Handler ()),
reactor_ (orb->orb_core ()->reactor ()),
interval_ (10),
start_time_ (10),
initialized_ (false)
{
this->delays_.length (0);
if (this->resolve_central_monitor (orb) == 0 &&
this->register_timer () == 0)
{
ACE_DEBUG ((LM_DEBUG, "[CIAO::RACE] Local_Monitor object has been "
"successfully initialized.\n"));
this->initialized_ = true;
}
else
{
ACE_ERROR ((LM_ERROR, "[CIAO::RACE] ERROR while initializing "
"Local_Monitor object\n"));
}
}
int
Local_Monitor::resolve_central_monitor (CORBA::ORB_ptr orb)
{
/// First try to get the object reference of the central monitor.
try
{
/// Trying to get the object reference from the Naming Service.
CORBA::Object_var naming_obj =
orb->resolve_initial_references ("NameService");
if (CORBA::is_nil (naming_obj.in ()))
{
ACE_ERROR_RETURN ((LM_ERROR, "[CIAO::RACE] Local_Monitor: "
"Unable to resolve the Name Service.\n"),
-1);
}
CosNaming::NamingContext_var namingContext =
CosNaming::NamingContext::_narrow (naming_obj.in ());
CosNaming::Name name (1);
name.length (1);
name[0].id = CORBA::string_dup ("RACE_QoS_Monitor");
CORBA::Object_var component = namingContext->resolve (name);
Central_Monitor_var central_monitor =
Central_Monitor::_narrow (component.in ());
if (CORBA::is_nil (central_monitor.in ()))
{
ACE_ERROR_RETURN ((LM_ERROR, "[CIAO::RACE] Local_Monitor: "
"Object reference of the central "
"monitor component is nil!\n") , -1);
}
CORBA::Object_var facet = central_monitor->provide_Monitor ();
this->monitor_ = Execution_Time_Monitor::_narrow (facet.in ());
if (CORBA::is_nil (this->monitor_.in ()))
{
ACE_ERROR_RETURN ((LM_ERROR, "[CIAO::RACE] Local_Monitor: "
"Object reference of the Monitor facet of the "
"central monitor component is nil!\n") , -1);
}
}
catch (::CosNaming::NamingContext::NotFound &ex)
{
ACE_PRINT_EXCEPTION (ex, "[CIAO::RACE]: Exception caught in "
"Local_Monitor::init()");
return -1;
}
catch (::CosNaming::NamingContext::InvalidName &ex)
{
ACE_PRINT_EXCEPTION (ex, "[CIAO::RACE}: Exception caught in "
"Local_Monitor::init()");
return -1;
}
catch (::CORBA::Exception &ex)
{
ACE_PRINT_EXCEPTION (ex, "[CIAO::RACE}: Exception caught in "
"Local_Monitor::init()");
return -1;
}
return 0;
}
int
Local_Monitor::register_timer ()
{
/// Now set up the "periodic update task".
this->reactor_->owner (ACE_Thread::self ());
this->timer_id_ =
this->reactor_->schedule_timer (this->handler_,
this,
this->start_time_,
this->interval_);
if (this->timer_id_ < 0)
{
ACE_ERROR ((LM_ERROR, "[CIAO::RACE] Local_Monitor: Could not "
"register periodic task with the reactor!\n"));
return -1;
}
ACE_DEBUG ((LM_DEBUG, "[CIAO::RACE] Local_Monitor: Registered periodic "
"task with id %d.\n", this->timer_id_));
return 0;
}
Local_Monitor::~Local_Monitor ()
{
this->reactor_->cancel_timer (this->timer_id_);
delete this->handler_;
}
void
Local_Monitor::start (const char *id)
{
if (!this->initialized_)
{
return;
}
if (!this->instance_id_.in ())
{
this->instance_id_ = CORBA::string_dup (id);
}
this->timer_.start ();
}
void
Local_Monitor::stop ()
{
if (!this->initialized_)
{
return;
}
this->timer_.stop ();
ACE_Time_Value time;
this->timer_.elapsed_time (time);
this->mutex_.acquire ();
this->delays_.length (this->delays_.length () + 1);
this->delays_ [this->delays_.length () - 1] = time.msec ();
this->mutex_.release ();
}
void
Local_Monitor::dump ()
{
if (!this->initialized_)
{
return;
}
ACE_DEBUG ((LM_DEBUG, "In Trigger::dump %s.\n",
this->instance_id_.in ()));
this->mutex_.acquire ();
for (CORBA::ULong itr = 0; itr < this->delays_.length (); ++itr)
{
ACE_DEBUG ((LM_DEBUG, "%d\n", this->delays_[itr]));
}
this->mutex_.release ();
}
int
Local_Monitor::push ()
{
if (!this->initialized_)
{
return -1;
}
try
{
this->mutex_.acquire ();
this->monitor_->push_delays (this->instance_id_.in (),
this->delays_);
this->delays_.length (0);
this->mutex_.release ();
return 0;
}
catch (CORBA::Exception &ex)
{
ACE_PRINT_EXCEPTION (ex, "[CIAO::RACE] Local_Monitor:: "
"Exception caught in push ().\n");
this->mutex_.release ();
return -1;
}
}
int
Event_Handler::handle_timeout (const ACE_Time_Value &,
const void *ref)
{
const Local_Monitor *const_monitor =
reinterpret_cast <const Local_Monitor *> (ref);
Local_Monitor *monitor = const_cast <Local_Monitor *> (const_monitor);
return monitor->push ();
}
};
};
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