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/* -*- C++ -*- */
//=============================================================================
/**
* @file Fault_Detector_i.cpp
*
* $Id$
*
* This file is part of Fault Tolerant CORBA.
* This file implements the Fault_Detector_i class as declared in Fault_Detector_i.h.
*
* @author Dale Wilson <wilson_d@ociweb.com>
*/
//=============================================================================
#include "Fault_Detector_i.h"
#include "FT_FaultDetectorFactory_i.h"
#include "tao/debug.h"
///////////////////////////////
// Fault_Detector_i static data
ACE_Time_Value TAO::Fault_Detector_i::sleep_time_(1,0);
/////////////////////////////////////////
// Fault_Detector_i public static methods
void TAO::Fault_Detector_i::set_time_for_all_detectors(ACE_Time_Value value)
{
sleep_time_ = value;
}
////////////////////////////////////////////
// Fault_Detector_i construction/destruction
TAO::Fault_Detector_i::Fault_Detector_i (
FT_FaultDetectorFactory_i & factory,
CORBA::ULong id,
FT::FaultNotifier_ptr & notifier,
FT::PullMonitorable_ptr & monitorable,
FT::FTDomainId domain_id,
const PortableGroup::Location & object_location,
PortableGroup::TypeId object_type,
PortableGroup::ObjectGroupId group_id
)
: factory_(factory)
, id_(id)
, domain_id_(domain_id)
, object_location_(object_location)
, object_type_(object_type)
, group_id_(group_id)
, sleep_(0) // initially not signaled
, quit_requested_(0)
{
this->notifier_ = FT::FaultNotifier::_duplicate(notifier);
this->monitorable_ = FT::PullMonitorable::_duplicate(monitorable);
ACE_DEBUG ((LM_DEBUG,
"Object type %s\n", object_type
));
}
TAO::Fault_Detector_i::~Fault_Detector_i ()
{
}
////////////////////////////////////
// Fault_Detector_i public interface
void TAO::Fault_Detector_i::request_quit()
{
this->quit_requested_ = 1;
// wake up the thread
this->sleep_.signal ();
}
void TAO::Fault_Detector_i::start(ACE_Thread_Manager & threadManager)
{
threadManager.spawn(thr_func, this);
}
///////////////////////////////////////////////////
// Fault_Detector_i private implementation methods
void TAO::Fault_Detector_i::run()
{
while ( ! this->quit_requested_ )
{
ACE_TRY_NEW_ENV
{
if (this->monitorable_->is_alive(ACE_ENV_SINGLE_ARG_PARAMETER))
{
ACE_TRY_CHECK;
// use this rather than ACE_OS::sleep
// to allow the nap to be interruped see request_quit
this->sleep_.wait (&sleep_time_, 0);
}
else
{
ACE_ERROR ((LM_INFO,
"FaultDetector%d FAULT: not alive.\n",
id_
));
notify();
this->quit_requested_ = 1;
}
}
ACE_CATCHANY // todo refine this
{
ACE_ERROR ((LM_ERROR,
"FaultDetector FAULT: exception.\n"
));
notify();
this->quit_requested_ = 1;
}
ACE_ENDTRY;
}
// warning: The following call will delete
// this object. Be careful not to reference
// member data after making this call.
// todo: use "scoped resource management" to make
// this exception-safe and stupid-return-safe.
this->factory_.remove_detector (this->id_, this);
}
void TAO::Fault_Detector_i::notify()
{
CosNotification::StructuredEvent_var vEvent;
ACE_NEW_NORETURN(vEvent, CosNotification::StructuredEvent );
if (vEvent.ptr() != 0)
{
CORBA::ULong length = 2;
if( this->object_type_ != 0)
{
length = 3;
if (this->group_id_!= 0)
{
length = 4;
}
}
vEvent->header.fixed_header.event_type.domain_name = FT::FT_EVENT_TYPE_DOMAIN;
vEvent->header.fixed_header.event_type.type_name = FT::FT_EVENT_TYPE_NAME;
vEvent->filterable_data.length(length);
vEvent->filterable_data[0].name = FT::FT_DOMAIN_ID;
(vEvent->filterable_data[0].value) <<= this->domain_id_;
vEvent->filterable_data[1].name = FT::FT_LOCATION;
(vEvent->filterable_data[1].value) <<= this->object_location_;
if (this->object_type_!= 0)
{
vEvent->filterable_data[2].name = FT::FT_TYPE_ID;
(vEvent->filterable_data[2].value) <<= this->object_type_;
if (this->group_id_!= 0)
{
vEvent->filterable_data[3].name = FT::FT_GROUP_ID;
vEvent->filterable_data[3].value <<= this->group_id_;
}
}
ACE_TRY_NEW_ENV
{
if (TAO_debug_level > 5)
{
ACE_ERROR ((LM_ERROR,
"call Fault Detector push Structured Event.\n"
));
}
this->notifier_->push_structured_fault(vEvent.in()
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
if (TAO_debug_level > 5)
{
ACE_ERROR ((LM_ERROR,
"return from Fault Detector push Structured Event.\n"
));
}
}
ACE_CATCHANY
{
ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION,
"Fault Detector cannot send notification.");
}
ACE_ENDTRY;
}
else
{
ACE_ERROR ((LM_ERROR,
"Fault Detector cannot create Structured Event.\n"
));
}
}
/////////////////////////////////////////////////////////
// Fault_Detector_i private static implementation methods
//static
ACE_THR_FUNC_RETURN TAO::Fault_Detector_i::thr_func (void * arg)
{
TAO::Fault_Detector_i * detector = static_cast<TAO::Fault_Detector_i * > (arg);
detector->run ();
return 0;
}
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