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//$Id$
#include "tao/Invocation_Endpoint_Selectors.h"
#include "tao/Stub.h"
#include "tao/Profile.h"
#include "tao/ORB_Core.h"
#include "tao/IIOP_Endpoint.h"
#include "tao/Base_Transport_Property.h"
#include "tao/Profile_Transport_Resolver.h"
#include "tao/ORB_Constants.h"
#include "tao/SystemException.h"
ACE_RCSID (tao,
Invocation_Endpoint_Selectors,
"$Id$")
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
TAO_Invocation_Endpoint_Selector::~TAO_Invocation_Endpoint_Selector (void)
{
}
// ****************************************************************
TAO_Default_Endpoint_Selector::~TAO_Default_Endpoint_Selector (void)
{
}
void
TAO_Default_Endpoint_Selector::select_endpoint (TAO::Profile_Transport_Resolver *r,
ACE_Time_Value *max_wait_time)
{
do
{
r->profile (r->stub ()->profile_in_use ());
// Check whether we need to do a blocked wait or we have a
// non-blocked wait and we support that. If this is not the
// case we can't use this profile so try the next.
if (r->blocked_connect () ||
(!r->blocked_connect () &&
r->profile ()->supports_non_blocking_oneways ()))
{
if (r->profile ()->endpoint_count () > 1 &&
r->use_parallel_connect())
{
TAO_Endpoint *ep = r->profile ()->endpoint ();
TAO_Base_Transport_Property desc (ep);
// Check if the connect has completed.
if (r->try_parallel_connect (&desc, max_wait_time))
return;
// The default implementation of try_parallel_connect returns
// a not supported errno. In this case, allow the ordinary
// connection mechanism to be tried. OTOH, if the connection
// attempt failed for some other reason, then abandon this
// profile and try the next one in the list.
else if (errno != ENOTSUP)
continue;
}
for (TAO_Endpoint *ep = r->profile ()->first_filtered_endpoint ();
ep != 0;
ep = r->profile ()->next_filtered_endpoint (ep))
{
TAO_Base_Transport_Property desc (ep);
// Check if the connect has completed.
if (r->try_connect (&desc, max_wait_time))
return;
}
}
}
while (r->stub ()->next_profile_retry () != 0);
// If we get here, we completely failed to find an endpoint
// that we know how to use. We used to throw an exception
// but that would prevent any request interception points
// being called. They may know how to fix the problem so
// we wait to throw the exception in
// Synch_Twoway_Invocation::remote_twoway and
// Synch_Oneway_Invocation::remote_oneway instead.
}
TAO_END_VERSIONED_NAMESPACE_DECL
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