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#include "tao/Collocated_Invocation.h"
#include "tao/ORB_Core.h"
#include "tao/Request_Dispatcher.h"
#include "tao/TAO_Server_Request.h"
#include "tao/Stub.h"
#include "tao/operation_details.h"
#include "tao/PortableInterceptor.h"
#include "tao/SystemException.h"
#include "tao/Abstract_Servant_Base.h"
#if TAO_HAS_INTERCEPTORS == 1
# include "tao/PortableInterceptorC.h"
#endif /*TAO_HAS_INTERCEPTORS */
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
namespace TAO
{
Collocated_Invocation::Collocated_Invocation (CORBA::Object_ptr t,
CORBA::Object_ptr et,
TAO_Stub *stub,
TAO_Operation_Details &detail,
bool response_expected)
: Invocation_Base (t,
et,
stub,
detail,
response_expected,
false /* request_is_remote */ )
{
}
Invocation_Status
Collocated_Invocation::invoke (Collocation_Strategy strat)
{
Invocation_Status s = TAO_INVOKE_FAILURE;
/// Start the interception point
#if TAO_HAS_INTERCEPTORS == 1
s = this->send_request_interception ();
if (s != TAO_INVOKE_SUCCESS)
return s;
#endif /*TAO_HAS_INTERCEPTORS */
try
{
if (strat == TAO_CS_THRU_POA_STRATEGY)
{
// Perform invocations on the servant through the servant's ORB.
CORBA::ORB_var servant_orb =
this->effective_target ()->_stubobj ()->servant_orb_ptr ();
TAO_ORB_Core * const orb_core = servant_orb->orb_core ();
TAO_ServerRequest request (orb_core,
this->details_,
this->effective_target ());
TAO_Request_Dispatcher * const dispatcher =
orb_core->request_dispatcher ();
// Retain ownership of the servant's ORB_Core in case
// another thread attempts to destroy it (e.g. via
// CORBA::ORB::destroy()) before this thread complete the
// invocation.
orb_core->_incr_refcnt ();
TAO_ORB_Core_Auto_Ptr my_orb_core (orb_core);
dispatcher->dispatch (orb_core,
request,
this->forwarded_to_.out ());
if (request.is_forwarded ())
{
this->reply_status_ = GIOP::LOCATION_FORWARD;
}
}
else
{
bool is_forwarded = false;
this->effective_target ()->_servant()->_collocated_dispatch (
this->effective_target (),
this->forwarded_to_.out (),
is_forwarded,
this->details_.args (),
this->details_.args_num (),
this->details_.opname (),
this->details_.opname_len (),
strat);
if (is_forwarded)
{
this->reply_status_ = GIOP::LOCATION_FORWARD;
}
}
// Invocation completed successfully
s = TAO_INVOKE_SUCCESS;
#if TAO_HAS_INTERCEPTORS == 1
if (this->reply_status_ == GIOP::LOCATION_FORWARD ||
this->response_expected_ == false)
{
if (this->reply_status_ == GIOP::LOCATION_FORWARD)
this->invoke_status (TAO_INVOKE_RESTART);
s = this->receive_other_interception ();
}
// NOTE: Any other condition that needs handling?
else if (this->response_expected ())
{
this->invoke_status (TAO_INVOKE_SUCCESS);
s = this->receive_reply_interception ();
}
if (s != TAO_INVOKE_SUCCESS)
return s;
#endif /*TAO_HAS_INTERCEPTORS */
}
catch ( ::CORBA::UserException& ex)
{
// Ignore CORBA exceptions for oneways
if (this->response_expected_ == false)
return TAO_INVOKE_SUCCESS;
#if TAO_HAS_INTERCEPTORS == 1
PortableInterceptor::ReplyStatus const status =
this->handle_any_exception (&ex);
if (status == PortableInterceptor::LOCATION_FORWARD ||
status == PortableInterceptor::TRANSPORT_RETRY)
s = TAO_INVOKE_RESTART;
else
#endif /* TAO_HAS_INTERCEPTORS */
{
// Check whether the user exception thrown matches the signature
// list, if not, then throw an Unknown exception
if (!this->details_.has_exception (ex))
{
throw ::CORBA::UNKNOWN (CORBA::OMGVMCID | 1,
CORBA::COMPLETED_MAYBE);
}
else
{
throw;
}
}
}
catch ( ::CORBA::SystemException& TAO_INTERCEPTOR (ex))
{
// Ignore CORBA exceptions for oneways
if (this->response_expected_ == false)
return TAO_INVOKE_SUCCESS;
#if TAO_HAS_INTERCEPTORS == 1
PortableInterceptor::ReplyStatus const status =
this->handle_any_exception (&ex);
if (status == PortableInterceptor::LOCATION_FORWARD ||
status == PortableInterceptor::TRANSPORT_RETRY)
s = TAO_INVOKE_RESTART;
else
#endif /* TAO_HAS_INTERCEPTORS */
throw;
}
#if TAO_HAS_INTERCEPTORS == 1
catch (...)
{
// Notify interceptors of non-CORBA exception, and propagate
// that exception to the caller.
PortableInterceptor::ReplyStatus const st =
this->handle_all_exception ();
if (st == PortableInterceptor::LOCATION_FORWARD ||
st == PortableInterceptor::TRANSPORT_RETRY)
s = TAO_INVOKE_RESTART;
else
throw;
}
#endif /* TAO_HAS_INTERCEPTORS == 1 */
if (this->reply_status_ == GIOP::LOCATION_FORWARD)
s = TAO_INVOKE_RESTART;
return s;
}
}
TAO_END_VERSIONED_NAMESPACE_DECL
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