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// $Id$
#include "orbsvcs/Event/EC_Gateway_IIOP.h"
#include "orbsvcs/Event/ECG_Reactive_ConsumerEC_Control.h"
#include "tao/Messaging/Messaging.h"
#include "tao/ORB_Core.h"
#include "ace/Reactor.h"
ACE_RCSID(Event, ECG_Reactive_ConsumerEventChannelControl, "$Id$")
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
TAO_ECG_Reactive_ConsumerEC_Control::
TAO_ECG_Reactive_ConsumerEC_Control (const ACE_Time_Value &rate,
const ACE_Time_Value &timeout,
TAO_EC_Gateway_IIOP* gateway,
CORBA::ORB_ptr orb)
: rate_ (rate),
timeout_ (timeout),
adapter_ (this),
gateway_ (gateway),
orb_ (CORBA::ORB::_duplicate (orb))
#if defined (TAO_HAS_CORBA_MESSAGING) && TAO_HAS_CORBA_MESSAGING != 0
, timer_id_ (-1)
#endif /* TAO_HAS_CORBA_MESSAGING != 0*/
{
this->reactor_ =
this->orb_->orb_core ()->reactor ();
}
TAO_ECG_Reactive_ConsumerEC_Control::~TAO_ECG_Reactive_ConsumerEC_Control (void)
{
}
void
TAO_ECG_Reactive_ConsumerEC_Control::query_eventchannel ()
{
try
{
CORBA::Boolean disconnected;
CORBA::Boolean non_existent =
gateway_->consumer_ec_non_existent (disconnected);
if (non_existent && !disconnected)
{
this->event_channel_not_exist (gateway_);
}
}
catch (const CORBA::OBJECT_NOT_EXIST&)
{
this->event_channel_not_exist (gateway_);
}
catch (const CORBA::TRANSIENT&)
{
// This is TAO's minor code for a failed connection, we may
// want to be more lenient in the future..
// if (transient.minor () == 0x54410085)
this->event_channel_not_exist (gateway_);
}
catch (const CORBA::Exception&)
{
// Ignore all exceptions
}
}
void
TAO_ECG_Reactive_ConsumerEC_Control::handle_timeout (
const ACE_Time_Value &,
const void *)
{
// NOTE, setting RELATIVE_RT_TIMEOUT_POLICY for the duration of
// query_eventchannel () below has greater impact than desired. For
// example, while we are pinging ec here, a nested upcall,
// which requires making remote calls may come into the ORB. Those
// remote calls will be carried out with with
// RELATIVE_RT_TIMEOUT_POLICY set here in effect.
// @@ TODO: should use Guard to set and reset policies.
try
{
// Query the state of the Current object *before* we initiate
// the iteration...
CORBA::PolicyTypeSeq types;
CORBA::PolicyList_var policies =
this->policy_current_->get_policy_overrides (types);
// Change the timeout
this->policy_current_->set_policy_overrides (this->policy_list_,
CORBA::ADD_OVERRIDE);
// Query the state of the consumers...
this->query_eventchannel ();
this->policy_current_->set_policy_overrides (policies.in (),
CORBA::SET_OVERRIDE);
for (CORBA::ULong i = 0; i != policies->length (); ++i)
{
policies[i]->destroy ();
}
}
catch (const CORBA::Exception&)
{
// Ignore all exceptions
}
}
int
TAO_ECG_Reactive_ConsumerEC_Control::activate (void)
{
#if defined (TAO_HAS_CORBA_MESSAGING) && TAO_HAS_CORBA_MESSAGING != 0
try
{
// Get the PolicyCurrent object
CORBA::Object_var tmp =
this->orb_->resolve_initial_references ("PolicyCurrent");
this->policy_current_ =
CORBA::PolicyCurrent::_narrow (tmp.in ());
// Timeout for polling state (default = 10 msec)
TimeBase::TimeT timeout = timeout_.usec() * 10;
CORBA::Any any;
any <<= timeout;
this->policy_list_.length (1);
this->policy_list_[0] =
this->orb_->create_policy (
Messaging::RELATIVE_RT_TIMEOUT_POLICY_TYPE,
any);
// Only schedule the timer, when the rate is not zero
if (this->rate_ != ACE_Time_Value::zero)
{
// Schedule the timer after these policies has been set, because the
// handle_timeout uses these policies, if done in front, the channel
// can crash when the timeout expires before initiazation is ready.
timer_id_ = this->reactor_->schedule_timer (&this->adapter_,
0,
this->rate_,
this->rate_);
if (timer_id_ == -1)
return -1;
}
}
catch (const CORBA::Exception&)
{
return -1;
}
#endif /* TAO_HAS_CORBA_MESSAGING */
return 0;
}
int
TAO_ECG_Reactive_ConsumerEC_Control::shutdown (void)
{
int r = 0;
#if defined (TAO_HAS_CORBA_MESSAGING) && TAO_HAS_CORBA_MESSAGING != 0
r = this->reactor_->cancel_timer (timer_id_);
#endif /* TAO_HAS_CORBA_MESSAGING */
this->adapter_.reactor (0);
return r;
}
void
TAO_ECG_Reactive_ConsumerEC_Control::event_channel_not_exist (
TAO_EC_Gateway_IIOP* gateway)
{
try
{
ACE_DEBUG ((LM_DEBUG,
"EC_Reactive_ConsumerControl(%P|%t) - "
"channel %x does not exists\n"));
gateway->cleanup_consumer_ec ();
gateway->cleanup_consumer_proxies ();
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception (
"TAO_EC_Reactive_ConsumerControl::event_channel_not_exist");
// Ignore all exceptions..
}
}
void
TAO_ECG_Reactive_ConsumerEC_Control::system_exception (
TAO_EC_Gateway_IIOP* gateway,
CORBA::SystemException & /* exception */)
{
try
{
gateway->cleanup_consumer_ec ();
gateway->cleanup_consumer_proxies ();
}
catch (const CORBA::Exception&)
{
// Ignore all exceptions..
}
}
// ****************************************************************
TAO_ECG_Reactive_ConsumerEC_Control_Adapter::TAO_ECG_Reactive_ConsumerEC_Control_Adapter (
TAO_ECG_Reactive_ConsumerEC_Control *adaptee)
: adaptee_ (adaptee)
{
}
int
TAO_ECG_Reactive_ConsumerEC_Control_Adapter::handle_timeout (
const ACE_Time_Value &tv,
const void *arg)
{
this->adaptee_->handle_timeout (tv, arg);
return 0;
}
TAO_END_VERSIONED_NAMESPACE_DECL
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