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// $Id$
#include "Peer.h"
#if ! defined (__ACE_INLINE__)
#include "Peer.inl"
#endif /* __ACE_INLINE__ */
ACE_RCSID(Notify, TAO_NS_Peer, "$id$")
#include "tao/debug.h"
#include "Proxy.h"
#include "Proxy.h"
#include "Admin.h"
#include "EventChannel.h"
#include "EventChannelFactory.h"
#include "Notify_Service.h"
TAO_NS_Peer::TAO_NS_Peer (void)
{
}
TAO_NS_Peer::~TAO_NS_Peer ()
{
}
void
TAO_NS_Peer::qos_changed (const TAO_NS_QoSProperties& /*qos_properties*/)
{
// NOP.
}
void
TAO_NS_Peer::shutdown (ACE_ENV_SINGLE_ARG_DECL_NOT_USED)
{
// NOP.
}
void
TAO_NS_Peer::handle_dispatch_exception (ACE_ENV_SINGLE_ARG_DECL)
{
// Sever all association when a remote client misbehaves. Other strategies like reties are possible but not implemented.
this->proxy ()->destroy (ACE_ENV_SINGLE_ARG_PARAMETER);
}
void
TAO_NS_Peer::dispatch_updates (const TAO_NS_EventTypeSeq & added, const TAO_NS_EventTypeSeq & removed ACE_ENV_ARG_DECL)
{
ACE_TRY
{
CosNotification::EventTypeSeq cos_added;
CosNotification::EventTypeSeq cos_removed;
const TAO_NS_EventTypeSeq& subscribed_types = this->proxy ()->subscribed_types ();
const TAO_NS_EventType& special = TAO_NS_EventType::special ();
// Don;t inform of types that we already know about.
// E.g. if we're subscribed for {A,B,C,F}
// and we receive an update with added list {A,B,G}
// then, we should only send {G} because peer already knows about {A, B}
// However if we're subscribed for everything, send all kinds of adds.
// Don;t inform of removed types that we don;t care about.
// e.g. if we're currently subscribed for {A,B,C,F}
// and we receive an update with removed list {A, B, D}
// then, we should only send {A,B} because the peer is not interested in D.
// However if we're subscribed for everything, send all kinds of removes.
TAO_NS_EventTypeSeq added_result = added;
TAO_NS_EventTypeSeq removed_result;
if (subscribed_types.find (special) != 0)
{
added_result.remove_seq (subscribed_types);
removed_result.intersection (subscribed_types, removed);
}
else
{
removed_result = removed;
}
added_result.populate_no_special (cos_added);
removed_result.populate_no_special (cos_removed);
if (cos_added.length () != 0 || cos_removed.length () != 0)
{
TAO_NS_Refcountable_Guard ref_guard(*this->proxy ()); // Protect this object from being destroyed in this scope.
this->dispatch_updates_i (cos_added, cos_removed ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
}
}
ACE_CATCH (CORBA::OBJECT_NOT_EXIST, not_exist)
{
this->handle_dispatch_exception (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
}
ACE_CATCH (CORBA::NO_IMPLEMENT, no_impl)
{
// The peer does not implement the offer/subscription_change method
// Do nothing. Later, perhaps set a flag that helps us decide if we should dispatch_updates_i.
}
ACE_CATCH (CORBA::SystemException, sysex)
{
this->handle_dispatch_exception (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_TRY_CHECK;
}
ACE_CATCHANY
{
// Do nothing
}
ACE_ENDTRY;
}
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