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// author : Boris Kolpackov <boris@kolpackov.net>
// cvs-id : $Id$
#include "tao/LocalObject.h"
#include "tao/ORBInitializer_Registry.h"
#include "tao/PI/PI.h"
#include "tao/PI_Server/PI_Server.h"
#include "ace/OS_NS_stdio.h"
#include "StateTransferS.h"
using namespace CORBA;
using namespace PortableServer;
using namespace PortableInterceptor;
//
//
PortableInterceptor::SlotId slot_id;
//
//
class StateTransferImpl: public virtual POA_StateTransfer
{
public:
StateTransferImpl (ORB_ptr orb)
: orb_ (ORB::_duplicate (orb))
{
}
virtual Short
number () throw (SystemException)
{
// Prepare state update.
//
Any state;
CORBA::Long number = 5;
state <<= number;
Object_var obj (orb_->resolve_initial_references ("PICurrent"));
PortableInterceptor::Current_var pic (
PortableInterceptor::Current::_narrow (obj.in ()));
pic->set_slot (slot_id, state);
return 1;
}
virtual void
shutdown () throw (SystemException)
{
ACE_DEBUG ((LM_DEBUG, "Server is shutting down.\n"));
this->orb_->shutdown (0);
}
private:
ORB_var orb_;
};
//
//
class ReplicaController: public virtual ServerRequestInterceptor,
public virtual TAO_Local_RefCounted_Object
{
public:
ReplicaController (PortableInterceptor::Current_ptr pi_current)
: pi_current_ (PortableInterceptor::Current::_duplicate (pi_current))
{
}
virtual char*
name () throw (SystemException)
{
return string_dup ("ReplicaController");
}
virtual void
destroy () throw (SystemException)
{
}
#if TAO_HAS_EXTENDED_FT_INTERCEPTORS == 1
virtual void
tao_ft_interception_point (ServerRequestInfo_ptr, OctetSeq_out)
throw (SystemException, ForwardRequest)
{
}
#endif /*TAO_HAS_EXTENDED_FT_INTERCEPTORS*/
virtual void
receive_request_service_contexts (ServerRequestInfo_ptr)
throw (SystemException, ForwardRequest)
{
}
virtual void
receive_request (ServerRequestInfo_ptr ri)
throw (SystemException, ForwardRequest)
{
Any state;
CORBA::Long number = 5;
state <<= number;
// After we have set things to TSC, change the value in RSC, at this
// moment no copy should be done anymore.
pi_current_->set_slot (slot_id, state);
CORBA::Long number6 = 6;
state <<= number6;
ri->set_slot (slot_id, state);
Any_var state_get (pi_current_->get_slot (slot_id));
CORBA::Long n (0);
state_get >>= n;
if (n == 5)
ACE_DEBUG ((LM_DEBUG, "State value is correctly %d.\n", n));
else
ACE_ERROR ((LM_ERROR, "ERROR: State value is incorrectly %d.\n", n));
}
virtual void
send_reply (ServerRequestInfo_ptr ri) throw (SystemException)
{
CORBA::String_var op = ri->operation (ACE_ENV_SINGLE_ARG_PARAMETER);
if (ACE_OS::strcmp (op.in (), "number") != 0)
return; // Don't mess with PICurrent if not invoking test method.
Any_var state (ri->get_slot (slot_id));
CORBA::Long n (0);
state >>= n;
if (n == 5)
ACE_DEBUG ((LM_DEBUG, "State value is correctly %d.\n", n));
else
ACE_ERROR ((LM_ERROR, "ERROR: State value is incorrectly %d.\n", n));
}
virtual void
send_exception (ServerRequestInfo_ptr)
throw (SystemException, ForwardRequest)
{
}
virtual void
send_other (ServerRequestInfo_ptr) throw (SystemException, ForwardRequest)
{
}
PortableInterceptor::Current_var pi_current_;
};
//
//
class ORB_Initializer : public virtual ORBInitializer,
public virtual TAO_Local_RefCounted_Object
{
public:
virtual void
pre_init (ORBInitInfo_ptr) throw (SystemException)
{
}
virtual void
post_init (ORBInitInfo_ptr info) throw (SystemException)
{
slot_id = info->allocate_slot_id ();
ACE_DEBUG ((LM_DEBUG, "Allocated slot with id %d.\n", slot_id));
CORBA::Object_var obj =
info->resolve_initial_references ("PICurrent");
PortableInterceptor::Current_var pi_current =
PortableInterceptor::Current::_narrow (obj.in ());
if (CORBA::is_nil (pi_current.in ()))
{
ACE_ERROR ((LM_ERROR,
"(%P|%t) ERROR: Could not resolve PICurrent object.\n"));
ACE_THROW (CORBA::INTERNAL ());
}
ServerRequestInterceptor_var interceptor (new ReplicaController (pi_current.in ()));
info->add_server_request_interceptor (interceptor.in ());
}
};
int
main (int argc, char *argv[])
{
ORBInitializer_var orb_initializer (new ORB_Initializer ());
register_orb_initializer (orb_initializer.in ());
ORB_var orb (ORB_init (argc, argv));
Object_var obj (orb->resolve_initial_references ("RootPOA"));
POA_var root_poa (POA::_narrow (obj.in ()));
POAManager_var poa_manager (root_poa->the_POAManager ());
StateTransferImpl* impl = new StateTransferImpl (orb.in ());
ServantBase_var impl_var (impl);
StateTransfer_var ref (impl->_this ());
String_var ior (orb->object_to_string (ref.in ()));
poa_manager->activate ();
// Dump the ior.
//
FILE *output_file= ACE_OS::fopen ("server.ior", "w");
if (output_file == 0)
{
ACE_ERROR_RETURN ((LM_ERROR,
"Cannot open output file <%s> for writing "
"IOR: %s",
ior.in ()),
1);
}
ACE_OS::fprintf (output_file, "%s", ior.in ());
ACE_OS::fclose (output_file);
ACE_DEBUG ((LM_DEBUG, "Server is ready, IOR is in 'server.ior'\n"));
// Run the ORB event loop.
//
orb->run ();
root_poa->destroy (1, 1);
orb->destroy ();
ACE_DEBUG ((LM_DEBUG, "Event loop finished.\n"));
return 0;
}
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