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// -*- C++ -*-
#include "FT_ServerRequest_Interceptor.h"
#include "tao/IOP_IORC.h"
#include "tao/ORB_Constants.h"
#include "tao/DynamicC.h"
#include "tao/Typecode.h"
#include "tao/CDR.h"
#include "orbsvcs/FT_CORBA_ORBC.h"
#include "ace/Log_Msg.h"
#include "ace/OS_NS_string.h"
ACE_RCSID (FaultTolerance,
FT_ServerRequest_Interceptor,
"$Id$")
namespace TAO
{
FT_ServerRequest_Interceptor::FT_ServerRequest_Interceptor (void)
: object_group_ref_version_ (0)
, is_primary_ (false)
, iogr_ (0)
, orb_ (0)
{
}
FT_ServerRequest_Interceptor::~FT_ServerRequest_Interceptor (void)
{
}
char *
FT_ServerRequest_Interceptor::name (ACE_ENV_SINGLE_ARG_DECL_NOT_USED)
ACE_THROW_SPEC ((CORBA::SystemException))
{
return CORBA::string_dup ("TAO_FT_ServerRequest_Interceptor");
}
void
FT_ServerRequest_Interceptor::destroy (ACE_ENV_SINGLE_ARG_DECL_NOT_USED)
ACE_THROW_SPEC ((CORBA::SystemException))
{
}
void
FT_ServerRequest_Interceptor::receive_request_service_contexts (
PortableInterceptor::ServerRequestInfo_ptr ri
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
PortableInterceptor::ForwardRequest))
{
// Check for the group version service context
ACE_TRY
{
IOP::ServiceContext_var sc =
ri->get_request_service_context (IOP::FT_GROUP_VERSION
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
this->check_iogr_version (sc.in ()
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
}
ACE_CATCH (CORBA::BAD_PARAM, ex)
{
// No group version context, no problem just return.
return;
}
ACE_CATCHANY
{
ACE_RE_THROW;
}
ACE_ENDTRY;
ACE_CHECK;
}
void
FT_ServerRequest_Interceptor::receive_request (
PortableInterceptor::ServerRequestInfo_ptr ri
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
PortableInterceptor::ForwardRequest))
{
// Check for the group version service context
CORBA::String_var op =
ri->operation (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK;
if (ACE_OS::strcmp (op.in (),
"tao_update_object_group") == 0)
{
this->update_iogr (ri
ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
}
// Else the world is fine
}
void
FT_ServerRequest_Interceptor::send_reply (
PortableInterceptor::ServerRequestInfo_ptr
ACE_ENV_ARG_DECL_NOT_USED)
ACE_THROW_SPEC ((CORBA::SystemException))
{
}
void
FT_ServerRequest_Interceptor::send_exception (
PortableInterceptor::ServerRequestInfo_ptr
ACE_ENV_ARG_DECL_NOT_USED)
ACE_THROW_SPEC ((CORBA::SystemException,
PortableInterceptor::ForwardRequest))
{
}
void
FT_ServerRequest_Interceptor::send_other (
PortableInterceptor::ServerRequestInfo_ptr
ACE_ENV_ARG_DECL_NOT_USED)
ACE_THROW_SPEC ((CORBA::SystemException,
PortableInterceptor::ForwardRequest))
{
}
void
FT_ServerRequest_Interceptor::check_iogr_version (
const IOP::ServiceContext &svc
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
PortableInterceptor::ForwardRequest))
{
TAO_InputCDR cdr (ACE_reinterpret_cast (const char*,
svc.context_data.get_buffer ()
),
svc.context_data.length ());
CORBA::Boolean byte_order;
if ((cdr >> ACE_InputCDR::to_boolean (byte_order)) == 0)
return;
cdr.reset_byte_order (ACE_static_cast (int,byte_order));
FT::FTGroupVersionServiceContext fgvsc;
if ((cdr >> fgvsc) == 0)
ACE_THROW (CORBA::BAD_PARAM (CORBA::OMGVMCID | 28,
CORBA::COMPLETED_NO));
if (fgvsc.object_group_ref_version >
this->object_group_ref_version_)
{
ACE_ERROR ((LM_ERROR,
"TAO-FT (%P|%t) - Wrong version information ",
"within the interceptor \n"));
}
else if (fgvsc.object_group_ref_version <
this->object_group_ref_version_)
{
// Notice that this is a permanent forward.
ACE_THROW (PortableInterceptor::ForwardRequest (
this->iogr_.in(),
1));
}
else if ((fgvsc.object_group_ref_version ==
this->object_group_ref_version_) &&
!this->is_primary_)
{
ACE_THROW (CORBA::TRANSIENT (
CORBA::SystemException::_tao_minor_code (
TAO_DEFAULT_MINOR_CODE,
EINVAL),
CORBA::COMPLETED_NO));
}
else
{
// Everything is okay...
}
}
void
FT_ServerRequest_Interceptor::update_iogr (
PortableInterceptor::ServerRequestInfo_ptr ri
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException))
{
if (this->orb_.in () == 0)
{
CORBA::String_var orb_id =
ri->orb_id (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK;
int argc = 0;
char **argv = 0;
this->orb_ =
CORBA::ORB_init (argc,
argv,
orb_id.in ()
ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
}
Dynamic::ParameterList_var param =
ri->arguments (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK;
if (param->length () > 2 ||
param->length () == 0)
ACE_THROW (CORBA::TRANSIENT ());
const char *str = 0;
(*param)[0].argument >>= str;
(*param)[1].argument >>= this->object_group_ref_version_;
CORBA::String_var obj (str);
this->iogr_ =
this->orb_->string_to_object (obj.in ()
ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
// @@ This exception is a hack to let the RM know that we have
// received and updated the IOGR. We will add a special minor code
// soon.
if (this->iogr_.in ())
ACE_THROW (CORBA::TRANSACTION_ROLLEDBACK ());
}
}
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