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// $Id$
#include "EC_Reactive_ConsumerControl.h"
#include "EC_Event_Channel.h"
#include "EC_ConsumerAdmin.h"
#include "EC_ProxySupplier.h"
#include "EC_ProxyConsumer.h" // @@ MSVC 6 bug
#include "tao/Messaging.h"
#include "tao/ORB_Core.h"
#include "ace/Reactor.h"
#if ! defined (__ACE_INLINE__)
#include "EC_Reactive_ConsumerControl.i"
#endif /* __ACE_INLINE__ */
ACE_RCSID(Event, EC_Reactive_ConsumerControl, "$Id$")
TAO_EC_Reactive_ConsumerControl::
TAO_EC_Reactive_ConsumerControl (const ACE_Time_Value &rate,
TAO_EC_Event_Channel *ec,
CORBA::ORB_ptr orb)
: rate_ (rate),
adapter_ (this),
event_channel_ (ec),
orb_ (CORBA::ORB::_duplicate (orb))
{
this->reactor_ =
this->orb_->orb_core ()->reactor ();
}
TAO_EC_Reactive_ConsumerControl::~TAO_EC_Reactive_ConsumerControl (void)
{
}
void
TAO_EC_Reactive_ConsumerControl::query_consumers (
TAO_ENV_SINGLE_ARG_DECL)
{
TAO_EC_Ping_Consumer worker (this);
this->event_channel_->consumer_admin ()->for_each (&worker
TAO_ENV_ARG_PARAMETER);
ACE_CHECK;
}
void
TAO_EC_Reactive_ConsumerControl::handle_timeout (
const ACE_Time_Value &,
const void *)
{
ACE_TRY_NEW_ENV
{
// 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
TAO_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
// Change the timeout
this->policy_current_->set_policy_overrides (this->policy_list_,
CORBA::ADD_OVERRIDE
TAO_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
// Query the state of the consumers...
this->query_consumers (TAO_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
this->policy_current_->set_policy_overrides (policies.in (),
CORBA::SET_OVERRIDE
TAO_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
for (CORBA::ULong i = 0; i != policies->length (); ++i)
{
policies[i]->destroy (TAO_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
}
}
ACE_CATCHANY
{
// Ignore all exceptions
}
ACE_ENDTRY;
}
int
TAO_EC_Reactive_ConsumerControl::activate (void)
{
#if defined (TAO_HAS_CORBA_MESSAGING) && TAO_HAS_CORBA_MESSAGING != 0
long id = this->reactor_->schedule_timer (&this->adapter_,
0,
this->rate_,
this->rate_);
if (id == -1)
return -1;
ACE_TRY_NEW_ENV
{
// Get the PolicyCurrent object
CORBA::Object_var tmp =
this->orb_->resolve_initial_references ("PolicyCurrent"
TAO_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
this->policy_current_ =
CORBA::PolicyCurrent::_narrow (tmp.in ()
TAO_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
// Pre-compute the policy list to the set the right timeout
// value...
// @@ TODO It is currently hard-coded to 10 milliseconds
TimeBase::TimeT timeout = 10 * 10000;
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
TAO_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
}
ACE_CATCHANY
{
return -1;
}
ACE_ENDTRY;
#endif /* TAO_HAS_CORBA_MESSAGING */
return 0;
}
int
TAO_EC_Reactive_ConsumerControl::shutdown (void)
{
return this->reactor_->remove_handler (&this->adapter_,
ACE_Event_Handler::DONT_CALL);
}
void
TAO_EC_Reactive_ConsumerControl::consumer_not_exist (
TAO_EC_ProxyPushSupplier *proxy
TAO_ENV_ARG_DECL)
{
ACE_TRY
{
ACE_DEBUG ((LM_DEBUG,
"Consumer %x does not exists\n", long(proxy)));
proxy->disconnect_push_supplier (TAO_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
}
ACE_CATCHANY
{
ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION,
"Reactive_ConsumerControl::consumer_not_exist");
// Ignore all exceptions..
}
ACE_ENDTRY;
}
void
TAO_EC_Reactive_ConsumerControl::system_exception (
TAO_EC_ProxyPushSupplier *proxy,
CORBA::SystemException & /* exception */
TAO_ENV_ARG_DECL)
{
ACE_TRY
{
// The current implementation is very strict, and kicks out a
// client on the first system exception. We may
// want to be more lenient in the future, for example,
// this is TAO's minor code for a failed connection.
//
// if (CORBA::TRANSIENT::_narrow (&exception) != 0
// && exception->minor () == 0x54410085)
// return;
// Anything else is serious, including timeouts...
proxy->disconnect_push_supplier (TAO_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
}
ACE_CATCHANY
{
// Ignore all exceptions..
}
ACE_ENDTRY;
}
// ****************************************************************
TAO_EC_ConsumerControl_Adapter::TAO_EC_ConsumerControl_Adapter (
TAO_EC_Reactive_ConsumerControl *adaptee)
: adaptee_ (adaptee)
{
}
int
TAO_EC_ConsumerControl_Adapter::handle_timeout (
const ACE_Time_Value &tv,
const void *arg)
{
this->adaptee_->handle_timeout (tv, arg);
return 0;
}
// ****************************************************************
void
TAO_EC_Ping_Consumer::work (TAO_EC_ProxyPushSupplier *supplier
TAO_ENV_ARG_DECL)
{
ACE_TRY
{
CORBA::Boolean disconnected;
CORBA::Boolean non_existent =
supplier->consumer_non_existent (disconnected
TAO_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
if (non_existent && !disconnected)
{
this->control_->consumer_not_exist (supplier TAO_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
}
}
ACE_CATCH (CORBA::OBJECT_NOT_EXIST, ex)
{
this->control_->consumer_not_exist (supplier TAO_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
}
ACE_CATCH (CORBA::TRANSIENT, 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->control_->consumer_not_exist (supplier TAO_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
}
ACE_CATCHANY
{
// Ignore all exceptions
}
ACE_ENDTRY;
}
#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
#elif defined(ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */
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