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//=============================================================================
/**
* @file Forwarder.cpp
*
* @brief Definition of ImR_DSI_Forwarder
*
* @author Phil Mesnier <mesnier_p@ociweb.com>
*/
//=============================================================================
#include "orbsvcs/Log_Macros.h"
#include "Forwarder.h"
#include "ImR_Locator_i.h"
#include "tao/ORB.h"
#include "tao/Object_KeyC.h"
#include "tao/ORB_Constants.h"
#include "tao/PortableServer/PortableServer.h"
#include "tao/PortableServer/POA_Current_Impl.h"
#include "tao/PortableServer/POA_Current.h"
#include "tao/TAO_Server_Request.h"
#include "tao/DynamicInterface/Request.h"
#include "tao/DynamicInterface/Server_Request.h"
#include "tao/DynamicInterface/AMH_DSI_Response_Handler.h"
#include "tao/Messaging/AMH_Response_Handler.h"
ImR_DSI_Forwarder::ImR_DSI_Forwarder (ImR_Locator_i& imr_impl)
: locator_ (imr_impl)
, orb_ (0)
{
}
ImR_DSI_Forwarder::~ImR_DSI_Forwarder (void)
{
}
void
ImR_DSI_Forwarder::init (CORBA::ORB_ptr orb)
{
ACE_ASSERT (! CORBA::is_nil(orb));
this->orb_ = orb;
try
{
CORBA::Object_var tmp =
orb->resolve_initial_references ("POACurrent");
this->poa_current_var_ =
PortableServer::Current::_narrow (tmp.in ());
}
catch (const CORBA::Exception&)
{
}
ACE_ASSERT (!CORBA::is_nil (this->poa_current_var_.in ()));
}
void
ImR_DSI_Forwarder::_dispatch (TAO_ServerRequest &request,
TAO::Portable_Server::Servant_Upcall * /*context */ )
{
// No need to do any of this if the client isn't waiting.
if (request.response_expected ())
{
if (!CORBA::is_nil (request.forward_location ()))
{
request.init_reply ();
request.tao_send_reply ();
// No need to invoke in this case.
return;
}
}
// Create DSI request object.
CORBA::ServerRequest *dsi_request = 0;
ACE_NEW (dsi_request,
CORBA::ServerRequest (request));
try
{
TAO_AMH_DSI_Response_Handler_ptr rhp;
ACE_NEW (rhp, TAO_AMH_DSI_Response_Handler(request));
TAO_AMH_DSI_Response_Handler_var rh(rhp);
rh->init (request, 0);
// Delegate to user.
this->invoke (dsi_request, rh.in());
}
catch (const CORBA::Exception& ex)
{
// Only if the client is waiting.
if (request.response_expected () && !request.sync_with_server ())
{
request.tao_send_reply_exception (ex);
}
}
CORBA::release (dsi_request);
}
void
ImR_DSI_Forwarder::invoke (CORBA::ServerRequest_ptr )
{
// unused method, only asynch invocations are used
}
char *
ImR_DSI_Forwarder::_primary_interface (const PortableServer::ObjectId&,
PortableServer::POA_ptr)
{
return CORBA::string_dup ("IDL:Object:1.0");
}
void
ImR_DSI_Forwarder::invoke (CORBA::ServerRequest_ptr request,
TAO_AMH_DSI_Response_Handler_ptr resp)
{
bool is_oneway = !(request->_tao_server_request().response_expected()
|| request->_tao_server_request().sync_with_server());
if (is_oneway)
{
return; // nothing else to do, the client isn't waiting so no forwarding
// will happen.
}
PortableServer::POA_var poa = this->poa_current_var_->get_POA();
PortableServer::ObjectId_var oid = this->poa_current_var_->get_object_id ();
CORBA::String_var server_name = poa->the_name();
CORBA::String_var key_str;
// Unlike POA Current, this implementation cannot be cached.
TAO::Portable_Server::POA_Current* tao_current =
dynamic_cast <TAO::Portable_Server::POA_Current*> (this->poa_current_var_.in ());
ACE_ASSERT(tao_current != 0);
TAO::Portable_Server::POA_Current_Impl* impl = tao_current->implementation ();
TAO::ObjectKey::encode_sequence_to_string (key_str.out (), impl->object_key ());
ImR_DSI_ResponseHandler * rh = 0;
ACE_NEW (rh, ImR_DSI_ResponseHandler(key_str.in(),
this->locator_.debug() > 0 ?
server_name.in() : "",
this->orb_, resp));
this->locator_.activate_server_by_name (server_name.in(), false, rh);
}
void
ImR_DSI_Forwarder::invoke_get_interface(CORBA::ServerRequest_ptr )
{
// no impl
}
void
ImR_DSI_Forwarder::invoke_primary_interface(CORBA::ServerRequest_ptr )
{
// no impl
}
//--------------------------------------------------------------------
ImR_DSI_ResponseHandler::ImR_DSI_ResponseHandler (const char *key,
const char *server_name,
CORBA::ORB_ptr orb,
TAO_AMH_DSI_Response_Handler_ptr resp)
:key_str_ (key),
server_name_ (server_name),
orb_(CORBA::ORB::_duplicate (orb)),
resp_ (TAO_AMH_DSI_Response_Handler::_duplicate (resp))
{
}
ImR_DSI_ResponseHandler::~ImR_DSI_ResponseHandler (void)
{
}
void
ImR_DSI_ResponseHandler::send_ior (const char *pior)
{
ACE_CString ior = pior;
// Check that the returned ior is the expected partial ior with
// missing ObjectKey.
if (ior.find ("corbaloc:") == 0 && ior[ior.length () -1] == '/')
{
ior += this->key_str_.in();
CORBA::Object_var forward_obj =
this->orb_->string_to_object (ior.c_str ());
if (!CORBA::is_nil (forward_obj.in ()))
{
this->resp_->invoke_location_forward(forward_obj.in(), false);
delete this;
return;
}
else
{
ORBSVCS_ERROR ((LM_ERROR,
ACE_TEXT ("(%P|%t) ImR_DSI_ResponseHandler::send_ior (): Forward_to ")
ACE_TEXT ("reference is nil.\n")));
}
}
else
{
ORBSVCS_ERROR ((LM_ERROR,
ACE_TEXT ("(%P|%t) ImR_DSI_ResponseHandler::send_ior (): Invalid corbaloc ior for key <%C> server_name <%C> IOR <%C>\n"),
key_str_.in (), server_name_.in (), pior));
}
this->invoke_excep_i (new CORBA::OBJECT_NOT_EXIST
(CORBA::SystemException::_tao_minor_code
( TAO_IMPLREPO_MINOR_CODE, 0),
CORBA::COMPLETED_NO));
}
void
ImR_DSI_ResponseHandler::invoke_excep_i (CORBA::Exception *ex)
{
TAO_AMH_DSI_Exception_Holder h(ex);
this->resp_->invoke_excep(&h);
delete this;
}
void
ImR_DSI_ResponseHandler::send_exception (CORBA::Exception *ex)
{
//discard the exception, always throw a transient:
delete ex;
this->invoke_excep_i (new CORBA::TRANSIENT
(CORBA::SystemException::_tao_minor_code
(TAO_IMPLREPO_MINOR_CODE, 0),
CORBA::COMPLETED_NO));
}
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