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// $Id$
#include "tao/Transport_Selection_Guard.h"
#include "tao/TSS_Resources.h"
ACE_RCSID (tao,
Transport_Selection_Guard,
"$Id$")
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
namespace TAO
{
Transport_Selection_Guard*
Transport_Selection_Guard::current (TAO_ORB_Core* core, size_t tss_slot_id)
{
// @NOTE: (Iliyan) Started making this method aware of the core
// and the tss slot that correspond to the "current" transport,
// influenced by a general design preference to keep things
// local. The idea was to make the current TSG part of the TSS
// storage for a specific ORB Core, as opposed to using the global
// TSS Resources. However, it really doesn't offer any benefit to
// store a Transport pointer locally, for each ORB. There is
// always only one current Transport per thread. Period. The
// number of ORB Core instances in existence does not change that
// fact, so keeping a separate pointer would have been an
// over-kill.
ACE_UNUSED_ARG (core);
ACE_UNUSED_ARG (tss_slot_id);
#if TAO_HAS_TRANSPORT_CURRENT == 1
return TAO_TSS_Resources::instance ()->tsg_;
#else /* TAO_HAS_TRANSPORT_CURRENT != 1 */
return 0;
#endif /* TAO_HAS_TRANSPORT_CURRENT == 1 */
}
/// Ctor
Transport_Selection_Guard::Transport_Selection_Guard (TAO_Transport* t)
:
#if TAO_HAS_TRANSPORT_CURRENT == 1
prev_ (TAO_TSS_Resources::instance ()->tsg_)
,
#endif /* TAO_HAS_TRANSPORT_CURRENT == 1 */
curr_ (t)
{
#if TAO_HAS_TRANSPORT_CURRENT == 1
TAO_TSS_Resources::instance ()->tsg_ = this;
#endif /* TAO_HAS_TRANSPORT_CURRENT == 1 */
}
/// Dtor
Transport_Selection_Guard::~Transport_Selection_Guard (void)
{
#if TAO_HAS_TRANSPORT_CURRENT == 1
TAO_TSS_Resources::instance ()->tsg_ = prev_;
this->prev_ = 0;
#endif /* TAO_HAS_TRANSPORT_CURRENT == 1 */
this->curr_ = 0;
}
} /* namespace TAO */
TAO_END_VERSIONED_NAMESPACE_DECL
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