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// $Id$
#include "orbsvcs/FtRtEvent/EventChannel/ForwardCtrlServerInterceptor.h"
#include "orbsvcs/FtRtEvent/EventChannel/GroupInfoPublisher.h"
#include "orbsvcs/FtRtEvent/EventChannel/IOGR_Maker.h"
#include "tao/PortableServer/PortableServer.h"
#include "../Utils/resolve_init.h"
#include "../Utils/Safe_InputCDR.h"
#include "../Utils/Log.h"
#include "tao/Object_KeyC.h"
#include "tao/ORB_Constants.h"
#include "orbsvcs/FTRTC.h"
ACE_RCSID (EventChannel,
ForwardCtrlServerInterceptor,
"$Id$")
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
CORBA::Object_ptr get_target(PortableInterceptor::ServerRequestInfo_ptr ri)
{
CORBA::String_var orb_id = ri->orb_id();
int argc =0;
char** argv =0;
CORBA::ORB_var orb = CORBA::ORB_init(argc, argv, orb_id.in());
PortableServer::POA_var poa =
resolve_init<PortableServer::POA>(orb.in(), "RootPOA");
PortableInterceptor::AdapterName_var adaptor_name =
ri->adapter_name();
for (size_t i = 1; i < adaptor_name->length(); ++i) {
poa = poa->find_POA((*adaptor_name)[i] , false);
}
CORBA::OctetSeq_var oid =
ri->object_id();
CORBA::Object_var obj =
poa->id_to_reference(oid.in());
return obj._retn();
}
CORBA::Object_ptr get_forward(PortableInterceptor::ServerRequestInfo_ptr ri)
{
CORBA::Object_var target =
get_target(ri);
TAO::ObjectKey_var key =
target->_key();
CORBA::Object_var iogr =
GroupInfoPublisher::instance()->group_reference();
CORBA::Object_var forward =
IOGR_Maker::instance()->ior_replace_key(iogr.in(), key.in());
return forward._retn();
}
ForwardCtrlServerInterceptor::ForwardCtrlServerInterceptor()
{
}
ForwardCtrlServerInterceptor::~ForwardCtrlServerInterceptor()
{
}
char * ForwardCtrlServerInterceptor::name (void)
{
return CORBA::string_dup("ForwardCtrlServerInterceptor");
}
void ForwardCtrlServerInterceptor::destroy (void)
{
}
void ForwardCtrlServerInterceptor::receive_request (PortableInterceptor::ServerRequestInfo_ptr ri)
{
try{
IOP::ServiceContext_var service_context =
ri->get_request_service_context(IOP::FT_GROUP_VERSION);
}
catch (const CORBA::Exception&){
// not an FT call , continue to process the request
return;
}
GroupInfoPublisherBase* publisher = GroupInfoPublisher::instance();
if (!publisher->is_primary()) {
// I am not primary, forword the request to primary
CORBA::Object_var forward = get_forward(ri);
throw PortableInterceptor::ForwardRequest (forward.in());
}
}
void ForwardCtrlServerInterceptor::receive_request_service_contexts (
PortableInterceptor::ServerRequestInfo_ptr)
{
}
FT::ObjectGroupRefVersion get_ft_group_version(IOP::ServiceContext_var service_context)
{
Safe_InputCDR cdr (reinterpret_cast<const char*> (service_context->context_data.get_buffer ()),
service_context->context_data.length ());
CORBA::Boolean byte_order;
if ((cdr >> ACE_InputCDR::to_boolean (byte_order)) == 0)
throw CORBA::BAD_PARAM (CORBA::OMGVMCID | 28, CORBA::COMPLETED_NO);
cdr.reset_byte_order (static_cast<int> (byte_order));
FT::FTGroupVersionServiceContext fgvsc;
if ((cdr >> fgvsc) == 0)
throw CORBA::BAD_PARAM (CORBA::OMGVMCID | 28, CORBA::COMPLETED_NO);
return fgvsc.object_group_ref_version;
}
void ForwardCtrlServerInterceptor::send_reply (PortableInterceptor::ServerRequestInfo_ptr ri)
{
IOP::ServiceContext_var service_context;
FT::ObjectGroupRefVersion version=0;
try
{
if (!ri->response_expected())
return;
service_context =
ri->get_request_service_context(IOP::FT_GROUP_VERSION);
// get the ref version service context
version =
get_ft_group_version(service_context);
}
catch (...){
// not an FT call , continue to reply the request
return;
}
// pass a new IOGR if the client use an outdated version
IOGR_Maker* maker = IOGR_Maker::instance();
TAO_FTRTEC::Log(3, "Current GROUP Version = %d, received version = %d\n",
maker->get_ref_version(), version);
if (version < maker->get_ref_version()) {
ACE_DEBUG((LM_DEBUG, "Outdated IOGR version, passing new IOGR\n"));
try{
CORBA::Object_var forward = get_forward(ri);
IOP::ServiceContext sc;
sc.context_id = FTRT::FT_FORWARD;
TAO_OutputCDR cdr;
//if (!(cdr << ACE_OutputCDR::from_boolean (TAO_ENCAP_BYTE_ORDER)))
//ACE_THROW (CORBA::MARSHAL ());
if ((cdr << forward.in() ) == 0 )
throw CORBA::MARSHAL ();
ACE_Message_Block mb;
ACE_CDR::consolidate(&mb, cdr.begin());
#if (TAO_NO_COPY_OCTET_SEQUENCES == 1)
sc.context_data.replace(mb.length(), &mb);
#else
// If the replace method is not available, we will need
// to do the copy manually. First, set the octet sequence length.
CORBA::ULong length = mb.length ();
sc.context_data.length (length);
// Now copy over each byte.
char* base = mb.data_block ()->base ();
for(CORBA::ULong i = 0; i < length; i++)
{
sc.context_data[i] = base[i];
}
#endif /* TAO_NO_COPY_OCTET_SEQUENCES == 1 */
ri->add_reply_service_context (sc, 0);
ACE_DEBUG((LM_DEBUG, "reply_service_context added\n"));
}
catch (...){
}
}
}
void ForwardCtrlServerInterceptor::send_exception (PortableInterceptor::ServerRequestInfo_ptr)
{
}
void ForwardCtrlServerInterceptor::send_other (PortableInterceptor::ServerRequestInfo_ptr)
{
}
TAO_END_VERSIONED_NAMESPACE_DECL
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