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// $Id$
#include "Upcall_Wrapper.h"
#include "Upcall_Command.h"
#if TAO_HAS_INTERCEPTORS == 1
# include "tao/ServerRequestInterceptor_Adapter.h"
# include "tao/PortableInterceptorC.h"
# include "tao/ORB_Core.h"
#endif /* TAO_HAS_INTERCEPTORS == 1 */
#include "tao/PortableInterceptor.h"
#include "tao/TAO_Server_Request.h"
#include "tao/CDR.h"
#include "tao/Argument.h"
#include "ace/Log_Msg.h"
ACE_RCSID (PortableServer,
Upcall_Wrapper,
"$Id$")
void
TAO::Upcall_Wrapper::upcall (TAO_ServerRequest & server_request,
TAO::Argument * const args[],
size_t nargs,
TAO::Upcall_Command & command
#if TAO_HAS_INTERCEPTORS == 1
, void * servant_upcall
, CORBA::TypeCode_ptr const * exceptions
, size_t nexceptions
#endif /* TAO_HAS_INTERCEPTORS == 1 */
ACE_ENV_ARG_DECL
)
{
if (server_request.incoming ())
{
this->pre_upcall (*server_request.incoming (),
args,
nargs
ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
}
#if TAO_HAS_INTERCEPTORS == 1
TAO::ServerRequestInterceptor_Adapter *interceptor_adapter =
server_request.orb_core ()->serverrequestinterceptor_adapter ();
ACE_TRY
{
{
if (interceptor_adapter != 0)
{
// Invoke intermediate server side interception points.
interceptor_adapter->receive_request (server_request,
args,
nargs,
servant_upcall,
exceptions,
nexceptions
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
}
// Don't bother performing the upcall if an interceptor caused a
// location forward.
CORBA::Object_var forward_to = server_request.forward_location ();
if (CORBA::is_nil (forward_to.in ()))
{
if (interceptor_adapter != 0)
{
interceptor_adapter->execute_command (server_request,
command
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
}
else
#endif /* TAO_HAS_INTERCEPTORS */
{
// The actual upcall.
command.execute (ACE_ENV_SINGLE_ARG_PARAMETER);
TAO_INTERCEPTOR_CHECK;
}
#if TAO_HAS_INTERCEPTORS == 1
}
}
if (interceptor_adapter == 0)
{
server_request.reply_status (PortableInterceptor::SUCCESSFUL);
}
else
{
// Do not execute the send_reply() interception point if an
// interceptor caused a location forward. The send_other()
// interception point should already have been executed by the
// ServerRequestInterceptor_Adapter object.
//
// It should actually be safe to call this interception point,
// regardless, since the interceptor flow stack should have been
// emptied by the send_other() interception point. Note that
// we'd still need to avoid resetting the reply status to
// SUCCESSFUL, however.
CORBA::Object_var forward_to_after = server_request.forward_location ();
if (CORBA::is_nil (forward_to_after.in ()))
{
// No location forward by interceptors and successful upcall.
server_request.reply_status (PortableInterceptor::SUCCESSFUL);
interceptor_adapter->send_reply (server_request,
args,
nargs,
servant_upcall,
exceptions,
nexceptions
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
}
}
}
ACE_CATCHANY
{
// Just assume the current exception is a system exception, the
// status can only change when the interceptor changes this
// and this is only done when the sri_adapter is available. If we
// don't have an sri_adapter we just rethrow the exception
PortableInterceptor::ReplyStatus status =
PortableInterceptor::SYSTEM_EXCEPTION;
server_request.caught_exception (&ACE_ANY_EXCEPTION);
if (interceptor_adapter != 0)
{
interceptor_adapter->send_exception (server_request,
args,
nargs,
servant_upcall,
exceptions,
nexceptions
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
status =
server_request.reply_status ();
}
if (status == PortableInterceptor::SYSTEM_EXCEPTION
|| status == PortableInterceptor::USER_EXCEPTION)
{
ACE_RE_THROW;
}
}
# if defined (ACE_HAS_EXCEPTIONS) \
&& defined (ACE_HAS_BROKEN_UNEXPECTED_EXCEPTIONS)
ACE_CATCHALL
{
// Just assume the current exception is a system exception, the
// status can only change when the interceptor changes this
// and this is only done when the sri_adapter is available. If we
// don't have an sri_adapter we just rethrow the exception
PortableInterceptor::ReplyStatus status =
PortableInterceptor::SYSTEM_EXCEPTION;
CORBA::UNKNOWN ex;
server_request.caught_exception (&ex);
if (interceptor_adapter != 0)
{
interceptor_adapter->send_exception (server_request,
args,
nargs,
servant_upcall,
exceptions,
nexceptions
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
status =
server_request.reply_status ();
}
if (status == PortableInterceptor::SYSTEM_EXCEPTION)
ACE_TRY_THROW (ex);
}
# endif /* ACE_HAS_EXCEPTIONS && ACE_HAS_BROKEN_UNEXPECTED_EXCEPTIONS */
ACE_ENDTRY;
ACE_CHECK;
#endif /* TAO_HAS_INTERCEPTORS == 1 */
if (server_request.response_expected ()
&& !server_request.sync_with_server ())
{
server_request.init_reply ();
}
#if TAO_HAS_INTERCEPTORS == 1
// Don't bother marshaling inout/out/return values if an interceptor
// caused a location forward.
CORBA::Object_var forward_to_end = server_request.forward_location ();
if (CORBA::is_nil (forward_to_end.in ()))
#endif /* TAO_HAS_INTERCEPTORS == 1 */
{
if (server_request.outgoing ())
{
this->post_upcall (*server_request.outgoing (),
args,
nargs
ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
}
}
}
void
TAO::Upcall_Wrapper::pre_upcall (TAO_InputCDR & cdr,
TAO::Argument * const * args,
size_t nargs
ACE_ENV_ARG_DECL)
{
// Demarshal the operation "in" and "inout" arguments, if any.
// NOTE: The TAO::Argument corresponding to the return value is
// always the first element in the array, regardless of
// whether or not the return type is void.
ACE_ASSERT (nargs != 0);
TAO::Argument * const * const begin = args + 1; // Skip the return value.
TAO::Argument * const * const end = args + nargs;
for (TAO::Argument * const * i = begin; i != end; ++i)
{
if (!(*i)->demarshal (cdr))
{
TAO_InputCDR::throw_skel_exception (errno
ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
}
}
}
void
TAO::Upcall_Wrapper::post_upcall (TAO_OutputCDR & cdr,
TAO::Argument * const * args,
size_t nargs
ACE_ENV_ARG_DECL)
{
// Marshal the operation "inout" and "out" arguments and return
// value, if any.
TAO::Argument * const * const begin = args;
TAO::Argument * const * const end = args + nargs;
for (TAO::Argument * const * i = begin; i != end; ++i)
{
if (!(*i)->marshal (cdr))
{
TAO_OutputCDR::throw_skel_exception (errno
ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
}
}
}
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