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// $Id$
#include "tao/Servant_Base.h"
#include "tao/Timeprobe.h"
#include "tao/Operation_Table.h"
#include "tao/ORB_Core.h"
#include "tao/Stub.h"
#include "tao/Environment.h"
#include "tao/Server_Request.h"
ACE_RCSID(tao, Servant_Base, "$Id$")
#if !defined (__ACE_INLINE__)
# include "tao/Servant_Base.i"
#endif /* ! __ACE_INLINE__ */
#if defined (ACE_ENABLE_TIMEPROBES)
static const char *TAO_Servant_Base_Timeprobe_Description[] =
{
"Servant_Base::_find - start",
"Servant_Base::_find - end"
};
enum
{
TAO_SERVANT_BASE_FIND_START = 700,
TAO_SERVANT_BASE_FIND_END
};
// Setup Timeprobes
ACE_TIMEPROBE_EVENT_DESCRIPTIONS (TAO_Servant_Base_Timeprobe_Description,
TAO_SERVANT_BASE_FIND_START);
#endif /* ACE_ENABLE_TIMEPROBES */
TAO_ServantBase::TAO_ServantBase (void)
: optable_ (0)
{
}
TAO_ServantBase::TAO_ServantBase (const TAO_ServantBase &)
{
}
TAO_ServantBase &
TAO_ServantBase::operator= (const TAO_ServantBase &)
{
return *this;
}
TAO_ServantBase::~TAO_ServantBase (void)
{
}
PortableServer::POA_ptr
TAO_ServantBase::_default_POA (CORBA::Environment &env)
{
return TAO_ORB_Core_instance ()->root_poa_reference (env);
}
CORBA::Boolean
TAO_ServantBase::_is_a (const char* logical_type_id,
CORBA::Environment &env)
{
if (ACE_OS::strcmp (logical_type_id, CORBA::_tc_Object->id (env)) == 0)
{
return 1;
}
return 0;
}
int
TAO_ServantBase::_find (const char *opname,
TAO_Skeleton& skelfunc)
{
ACE_FUNCTION_TIMEPROBE (TAO_SERVANT_BASE_FIND_START);
return optable_->find (opname, skelfunc);
}
int
TAO_ServantBase::_bind (const char *opname,
const TAO_Skeleton skel_ptr)
{
return optable_->bind (opname, skel_ptr);
}
TAO_Stub *
TAO_ServantBase::_create_stub (CORBA_Environment &env)
{
TAO_Stub *stub;
TAO_ORB_Core *orb_core = TAO_ORB_Core_instance ();
TAO_POA_Current *poa_current = orb_core->poa_current ();
if (poa_current != 0
&& poa_current->in_upcall ()
&& this == poa_current->servant ())
{
stub = orb_core->orb ()->create_stub_object (poa_current->object_key (),
this->_interface_repository_id (),
env);
}
else
{
PortableServer::POA_var poa = this->_default_POA (env);
if (env.exception () != 0)
return 0;
CORBA::Object_var object = poa->servant_to_reference (this, env);
if (env.exception () != 0)
return 0;
// Get the stub object
stub = object->_stubobj ();
// Increment the reference count since <object> will zap its
// stub object on deletion.
stub->_incr_refcnt ();
}
return stub;
}
TAO_Stub *
TAO_Local_ServantBase::_create_stub (CORBA_Environment &env)
{
PortableServer::ObjectId_var invalid_oid =
PortableServer::string_to_ObjectId ("invalid");
TAO_ObjectKey tmp_key (invalid_oid->length (),
invalid_oid->length (),
invalid_oid->get_buffer (),
0);
// Note the use of a fake key and no registration with POAs
return TAO_ORB_Core_instance ()->orb ()->create_stub_object (tmp_key,
this->_interface_repository_id (),
env);
}
#if !defined (TAO_HAS_MINIMUM_CORBA)
CORBA::Object_ptr
TAO_DynamicImplementation::_this (CORBA::Environment &env)
{
// The _this() function returns a CORBA::Object_ptr for the target
// object. Unlike _this() for static skeletons, its return type is
// not interface-specific because a DSI servant may very well
// incarnate multiple CORBA objects of different types.
TAO_Stub *stub = this->_create_stub (env);
if (env.exception () != 0)
return CORBA::Object::_nil ();
// Create a object
return new CORBA::Object (stub, this, 1);
}
const char *
TAO_DynamicImplementation::_interface_repository_id (void) const
{
// This should never be called
return 0;
}
void *
TAO_DynamicImplementation::_downcast (const char *repository_id)
{
ACE_UNUSED_ARG (repository_id);
// Don't know enough to do better
return this;
}
TAO_Stub *
TAO_DynamicImplementation::_create_stub (CORBA::Environment &env)
{
// If DynamicImplementation::_this() is invoked outside of the
// context of a request invocation on a target object being served
// by the DSI servant, it raises the PortableServer::WrongPolicy
// exception.
TAO_ORB_Core *orb_core = TAO_ORB_Core_instance ();
TAO_POA_Current *poa_current = orb_core->poa_current ();
if (poa_current == 0
|| !poa_current->in_upcall ()
|| this != poa_current->servant ())
{
CORBA::Exception *exception = new PortableServer::POA::WrongPolicy;
env.exception (exception);
return 0;
}
PortableServer::POA_var poa = poa_current->get_POA (env);
if (env.exception () != 0)
return 0;
CORBA::RepositoryId interface = this->_primary_interface (poa_current->object_id (),
poa.in (),
env);
if (env.exception () != 0)
return 0;
return TAO_ORB_Core_instance ()->orb ()->create_stub_object (poa_current->object_key (),
interface,
env);
}
void
TAO_DynamicImplementation::_dispatch (CORBA::ServerRequest &request,
void *context,
CORBA::Environment &env)
{
ACE_UNUSED_ARG (context);
// Delegate to user
this->invoke (&request, env);
if (request.response_expected ())
{
request.init_reply (env);
request.dsi_marshal (env);
}
}
#endif /* TAO_HAS_MINIMUM_CORBA */
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