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// $Id$
#include "tao/Thread_Lane_Resources.h"
ACE_RCSID(tao, Thread_Lane_Resources, "$Id$")
#include "tao/ORB_Core.h"
#include "tao/Acceptor_Registry.h"
#include "tao/Transport_Cache_Manager.h"
#include "tao/Leader_Follower.h"
#include "ace/Reactor.h"
#if !defined (__ACE_INLINE__)
# include "tao/Thread_Lane_Resources.i"
#endif /* ! __ACE_INLINE__ */
TAO_Thread_Lane_Resources::TAO_Thread_Lane_Resources (TAO_ORB_Core &orb_core,
TAO_New_Leader_Generator *new_leader_generator)
: orb_core_ (orb_core),
acceptor_registry_ (0),
transport_cache_ (0),
leader_follower_ (0),
new_leader_generator_ (new_leader_generator)
{
// Create the transport cache.
ACE_NEW (this->transport_cache_,
TAO_Transport_Cache_Manager (orb_core));
}
TAO_Thread_Lane_Resources::~TAO_Thread_Lane_Resources (void)
{
}
TAO_Transport_Cache_Manager &
TAO_Thread_Lane_Resources::transport_cache (void)
{
return *this->transport_cache_;
}
int
TAO_Thread_Lane_Resources::has_acceptor_registry_been_created (void) const
{
return this->acceptor_registry_ != 0;
}
int
TAO_Thread_Lane_Resources::is_collocated (const TAO_MProfile& mprofile)
{
if (!this->has_acceptor_registry_been_created ())
return 0;
return this->acceptor_registry ().is_collocated (mprofile);
}
TAO_Acceptor_Registry &
TAO_Thread_Lane_Resources::acceptor_registry (void)
{
// Double check.
if (this->acceptor_registry_ == 0)
{
ACE_GUARD_RETURN (TAO_SYNCH_MUTEX, ace_mon, this->lock_, *this->acceptor_registry_);
if (this->acceptor_registry_ == 0)
{
// Get the resource factory.
TAO_Resource_Factory &resource_factory =
*this->orb_core_.resource_factory ();
// Ask it to create a new acceptor registry.
this->acceptor_registry_ =
resource_factory.get_acceptor_registry ();
}
}
return *this->acceptor_registry_;
}
TAO_Leader_Follower &
TAO_Thread_Lane_Resources::leader_follower (void)
{
// Double check.
if (this->leader_follower_ == 0)
{
ACE_GUARD_RETURN (TAO_SYNCH_MUTEX, ace_mon, this->lock_, *this->leader_follower_);
if (this->leader_follower_ == 0)
{
// Create a new Leader Follower object.
ACE_NEW_RETURN (this->leader_follower_,
TAO_Leader_Follower (&this->orb_core_,
this->new_leader_generator_),
*this->leader_follower_);
}
}
return *this->leader_follower_;
}
int
TAO_Thread_Lane_Resources::open_acceptor_registry (int ignore_address
ACE_ENV_ARG_DECL)
{
/// Access the acceptor registry.
TAO_Acceptor_Registry &ar =
this->acceptor_registry ();
// Open it.
int result =
ar.open (&this->orb_core_,
this->leader_follower ().reactor (),
ignore_address
ACE_ENV_ARG_PARAMETER);
ACE_CHECK_RETURN (-1);
return result;
}
void
TAO_Thread_Lane_Resources::finalize (void)
{
// Ask the registry to close all registered acceptors.
if (this->acceptor_registry_ != 0)
{
this->acceptor_registry_->close_all ();
delete this->acceptor_registry_;
}
// Set of file descriptors corresponding to open connections. This
// handle set is used to explicitly deregister the connection event
// handlers from the Reactor. This is particularly important for
// dynamically loaded ORBs where an application level reactor, such
// as the Singleton reactor, is used instead of an ORB created one.
ACE_Handle_Set handle_set;
TAO_EventHandlerSet unregistered;
// Close the transport cache and return the handle set that needs
// to be de-registered from the reactor.
this->transport_cache_->close (handle_set, unregistered);
// Shutdown all open connections that are registered with the ORB
// Core. Note that the ACE_Event_Handler::DONT_CALL mask is NOT
// used here since the reactor should invoke each handle's
// corresponding ACE_Event_Handler::handle_close() method to ensure
// that the connection is shutdown gracefully prior to destroying
// the ORB Core.
if (handle_set.num_set () > 0)
(void) this->leader_follower ().reactor ()->remove_handler (handle_set,
ACE_Event_Handler::ALL_EVENTS_MASK);
if (!unregistered.is_empty ())
{
ACE_Event_Handler** eh;
for (TAO_EventHandlerSetIterator iter(unregistered);
iter.next (eh);
iter.advance())
{
(*eh)->handle_close (ACE_INVALID_HANDLE,
ACE_Event_Handler::ALL_EVENTS_MASK);
}
}
delete this->transport_cache_;
delete this->leader_follower_;
}
void
TAO_Thread_Lane_Resources::shutdown_reactor (void)
{
TAO_Leader_Follower &leader_follower =
this->leader_follower ();
ACE_GUARD (TAO_SYNCH_MUTEX,
ace_mon,
leader_follower.lock ());
// Wakeup all the threads waiting blocked in the event loop, this
// does not guarantee that they will all go away, but reduces the
// load on the POA....
ACE_Reactor *reactor =
leader_follower.reactor ();
reactor->wakeup_all_threads ();
// If there are some client threads running we have to wait until
// they finish, when the last one does it will shutdown the reactor
// for us. Meanwhile no new requests will be accepted because the
// POA will not process them.
if (!leader_follower.has_clients ())
{
// Wake up all waiting threads in the reactor.
reactor->end_reactor_event_loop ();
}
}
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