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#include "orbsvcs/Notify/Peer.h"
#include "orbsvcs/Notify/Proxy.h"
#include "tao/debug.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
TAO_Notify_Peer::TAO_Notify_Peer ()
{
}
TAO_Notify_Peer::~TAO_Notify_Peer ()
{
}
void
TAO_Notify_Peer::qos_changed (const TAO_Notify_QoSProperties& /*qos_properties*/)
{
// NOP.
}
void
TAO_Notify_Peer::shutdown ()
{
// NOP.
}
void
TAO_Notify_Peer::handle_dispatch_exception ()
{
// Sever all association when a remote client misbehaves. Other strategies like reties are possible but not implemented.
this->proxy ()->destroy ();
}
void
TAO_Notify_Peer::dispatch_updates (const TAO_Notify_EventTypeSeq & added, const TAO_Notify_EventTypeSeq & removed)
{
TAO_Notify_EventTypeSeq subscribed_types ;
this->proxy ()->subscribed_types (subscribed_types);
try
{
CosNotification::EventTypeSeq cos_added;
CosNotification::EventTypeSeq cos_removed;
const TAO_Notify_EventType& special = TAO_Notify_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_Notify_EventTypeSeq added_result = added;
TAO_Notify_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)
{
// Protect this object from being destroyed in this scope.
TAO_Notify_Proxy::Ptr proxy_guard(this->proxy ());
this->dispatch_updates_i (cos_added, cos_removed);
}
}
catch (const CORBA::OBJECT_NOT_EXIST&)
{
this->handle_dispatch_exception ();
}
catch (const CORBA::NO_IMPLEMENT&)
{
// 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.
}
catch (const CORBA::SystemException&)
{
this->handle_dispatch_exception ();
}
catch (const CORBA::Exception&)
{
// Do nothing
}
}
CORBA::ULong
TAO_Notify_Peer::_incr_refcnt ()
{
return this->proxy ()->_incr_refcnt ();
}
CORBA::ULong
TAO_Notify_Peer::_decr_refcnt ()
{
return this->proxy ()->_decr_refcnt ();
}
TAO_END_VERSIONED_NAMESPACE_DECL
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