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// $Id$
#include "FT_ClientRequest_Interceptor.h"
#include "orbsvcs/FT_CORBA_ORBC.h"
#include "tao/CORBA_String.h"
#include "tao/debug.h"
#include "tao/ORB_Constants.h"
#include "tao/CDR.h"
#include "ace/UUID.h"
#include "ace/Lock_Adapter_T.h"
#include "ace/Lock.h"
#include "ace/Synch_Traits.h"
#include "ace/OS_NS_sys_time.h"
ACE_RCSID (FaultTolerance,
FT_ORBInitializer,
"$Id$")
namespace TAO
{
FT_ClientRequest_Interceptor::FT_ClientRequest_Interceptor (void)
: name_ ("TAO_FT_ClientRequest_Interceptor")
, uuid_ (0)
, lock_ (0)
, retention_id_ (0)
{
ACE_Utils::UUID_GENERATOR::instance ()->init ();
this->uuid_ =
ACE_Utils::UUID_GENERATOR::instance ()->generateUUID ();
// Would be nice to have runtime option.
ACE_NEW (this->lock_,
ACE_Lock_Adapter<ACE_SYNCH_MUTEX>);
}
FT_ClientRequest_Interceptor::~FT_ClientRequest_Interceptor (void)
{
delete this->uuid_;
delete this->lock_;
}
FT_TSS *
FT_ClientRequest_Interceptor::tss_resources (void)
{
return ACE_TSS_GET (&this->tss_,FT_TSS);
}
char *
FT_ClientRequest_Interceptor::name (ACE_ENV_SINGLE_ARG_DECL_NOT_USED)
ACE_THROW_SPEC ((CORBA::SystemException))
{
return CORBA::string_dup (this->name_);
}
void
FT_ClientRequest_Interceptor::destroy (ACE_ENV_SINGLE_ARG_DECL_NOT_USED)
ACE_THROW_SPEC ((CORBA::SystemException))
{
}
void
FT_ClientRequest_Interceptor::send_poll (
PortableInterceptor::ClientRequestInfo_ptr
ACE_ENV_ARG_DECL_NOT_USED)
ACE_THROW_SPEC ((CORBA::SystemException))
{
// Do Nothing
}
void
FT_ClientRequest_Interceptor::send_request (
PortableInterceptor::ClientRequestInfo_ptr ri
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
PortableInterceptor::ForwardRequest))
{
if (TAO_debug_level > 3)
{
CORBA::String_var op =
ri->operation (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK;
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("TAO_FT (%P|%t) - %s called for %s\n"),
this->name_,
op.in ()));
}
this->group_version_context (ri
ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
this->request_service_context (ri
ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
}
void
FT_ClientRequest_Interceptor::receive_reply (
PortableInterceptor::ClientRequestInfo_ptr
ACE_ENV_ARG_DECL_NOT_USED)
ACE_THROW_SPEC ((CORBA::SystemException))
{
this->tss_resources ()->clean_flag_ = true;
}
void
FT_ClientRequest_Interceptor::receive_other (
PortableInterceptor::ClientRequestInfo_ptr
ACE_ENV_ARG_DECL_NOT_USED)
ACE_THROW_SPEC ((CORBA::SystemException,
PortableInterceptor::ForwardRequest))
{
}
void
FT_ClientRequest_Interceptor::receive_exception (
PortableInterceptor::ClientRequestInfo_ptr
ACE_ENV_ARG_DECL_NOT_USED)
ACE_THROW_SPEC ((CORBA::SystemException,
PortableInterceptor::ForwardRequest))
{
#if 0
// @@ Will be used later.
// Do a check for policy in which this can be done..
PortableInterceptor::ReplyStatus rs =
ri->reply_status (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK;
if (rs != PortableInterceptor::SYSTEM_EXCEPTION)
{
return;
}
CORBA::Any_var ex =
ri->received_exception (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK;
TAO_OutputCDR cdr;
if (!ex->impl ()->marshal_value (cdr))
return;
// Place for optimization..
TAO_InputCDR icdr (cdr);
CORBA::String_var rep_id;
CORBA::ULong min, cs = 0;
if (!(icdr.read_string (rep_id.out ()) &&
icdr.read_ulong (min) &&
icdr.read_ulong (cs)))
ACE_THROW (CORBA::MARSHAL (TAO::VMCID,
CORBA::COMPLETED_MAYBE));
cs = CORBA::CompletionStatus (cs);
// ORB would take care of it
if (cs != CORBA::COMPLETED_MAYBE)
return;
// If it is COMPLETED_MAYBE, then we will throw a COMPLETED_NO,
// which the ORB should understand
if (ACE_OS_String::strcmp (rep_id.in (),
"IDL:omg.org/CORBA/TRANSIENT:1.0") == 0)
ACE_THROW (CORBA::TRANSIENT (min,
CORBA::COMPLETED_NO));
else if (ACE_OS_String::strcmp (rep_id.in (),
"IDL:omg.org/CORBA/COMM_FAILURE:1.0") == 0)
ACE_THROW (CORBA::COMM_FAILURE (min,
CORBA::COMPLETED_NO));
else if (ACE_OS_String::strcmp (rep_id.in (),
"IDL:omg.org/CORBA/NO_REPONSE:1.0") == 0)
ACE_THROW (CORBA::NO_RESPONSE (min,
CORBA::COMPLETED_NO));
else if (ACE_OS_String::strcmp (rep_id.in (),
"IDL:omg.org/CORBA/OBJ_ADAPTER:1.0") == 0)
ACE_THROW (CORBA::OBJ_ADAPTER (min,
CORBA::COMPLETED_NO));
cout << "Didnt throw exception " << endl;
#endif /*if 0*/
return;
}
void
FT_ClientRequest_Interceptor::group_version_context (
PortableInterceptor::ClientRequestInfo_ptr ri
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException))
{
ACE_TRY
{
IOP::TaggedComponent_var tp =
ri->get_effective_component (IOP::TAG_FT_GROUP
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
// Grab the object group version
// @@ NOTE: This involves an allocation and a dellocation. This is
// really bad.
TAO_InputCDR cdr (reinterpret_cast<const char*> (tp->component_data.get_buffer ()),
tp->component_data.length ());
CORBA::Boolean byte_order;
if ((cdr >> ACE_InputCDR::to_boolean (byte_order)) == 0)
return;
cdr.reset_byte_order (static_cast<int> (byte_order));
FT::TagFTGroupTaggedComponent gtc;
if ((cdr >> gtc) == 0)
ACE_THROW (CORBA::BAD_PARAM (CORBA::OMGVMCID | 28,
CORBA::COMPLETED_NO));
IOP::ServiceContext sc;
sc.context_id = IOP::FT_GROUP_VERSION;
TAO_OutputCDR ocdr;
if (!(ocdr << ACE_OutputCDR::from_boolean (TAO_ENCAP_BYTE_ORDER)))
return;
//ACE_THROW (CORBA::MARSHAL ());
if (!(ocdr << gtc.object_group_ref_version))
return;
//ACE_THROW (CORBA::MARSHAL ());
CORBA::ULong length =
static_cast<CORBA::ULong> (ocdr.total_length ());
sc.context_data.length (length);
CORBA::Octet *buf = sc.context_data.get_buffer ();
for (const ACE_Message_Block *i = ocdr.begin ();
i != 0;
i = i->cont ())
{
ACE_OS::memcpy (buf, i->rd_ptr (), i->length ());
buf += i->length ();
}
// Add this context to the service context list.
ri->add_request_service_context (sc,
0
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
}
ACE_CATCHANY
{
// Not much can be done anyway. Just keep quiet
// ACE_RE_THROW;
}
ACE_ENDTRY;
ACE_CHECK;
return;
}
void
FT_ClientRequest_Interceptor::request_service_context (
PortableInterceptor::ClientRequestInfo_ptr ri
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException))
{
ACE_TRY
{
IOP::ServiceContext sc;
sc.context_id = IOP::FT_REQUEST;
CORBA::Policy_var policy =
ri->get_request_policy (FT::REQUEST_DURATION_POLICY
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
FT::FTRequestServiceContext ftrsc;
ftrsc.client_id =
CORBA::string_dup (this->uuid_->to_string ()->c_str ());
ftrsc.expiration_time =
this->request_expiration_time (policy.in ()
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
FT_TSS *tss =
this->tss_resources ();
if (tss->clean_flag_)
{
ACE_GUARD (ACE_Lock,
guard,
*this->lock_);
ftrsc.retention_id = ++this->retention_id_;
// ACE_DEBUG ((LM_DEBUG,
// ACE_TEXT ("TAO_FT (%P|%t) - Retention id [%d]\n"),
// ftrsc.retention_id));
tss->retention_id_ = ftrsc.retention_id;
tss->clean_flag_ = false;
}
else
{
ftrsc.retention_id =
tss->retention_id_;
}
TAO_OutputCDR ocdr;
if (!(ocdr << ACE_OutputCDR::from_boolean (TAO_ENCAP_BYTE_ORDER)))
return;
//ACE_THROW (CORBA::MARSHAL ());
if (!(ocdr << ftrsc))
return;
// ACE_THROW (CORBA::MARSHAL ());
// Make a *copy* of the CDR stream...
CORBA::ULong length =
static_cast<CORBA::ULong> (ocdr.total_length ());
sc.context_data.length (length);
CORBA::Octet *buf = sc.context_data.get_buffer ();
for (const ACE_Message_Block *i = ocdr.begin ();
i != 0;
i = i->cont ())
{
ACE_OS::memcpy (buf, i->rd_ptr (), i->length ());
buf += i->length ();
}
// Add this context to the service context list.
ri->add_request_service_context (sc,
0
ACE_ENV_ARG_PARAMETER);
ACE_TRY_CHECK;
}
ACE_CATCHANY
{
// ACE_RE_THROW;
}
ACE_ENDTRY;
ACE_CHECK;
return;
}
TimeBase::TimeT
FT_ClientRequest_Interceptor::request_expiration_time (
CORBA::Policy *policy
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException))
{
FT::RequestDurationPolicy_var p;
if (policy != 0)
{
p = FT::RequestDurationPolicy::_narrow (policy
ACE_ENV_ARG_PARAMETER);
ACE_CHECK_RETURN (0);
}
TimeBase::TimeT t = 0;
if (p.in ())
{
t =
p->request_duration_policy_value (ACE_ENV_SINGLE_ARG_PARAMETER);
ACE_CHECK_RETURN (0);
}
else
{
if (TAO_debug_level > 3)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("TAO_FT (%P|%t) - Using default value")
ACE_TEXT ("of 1.5 seconds\n")));
}
t = 15 * 1000000;
}
// Calculaton of the expiration time
// Grab the localtime on the machine where this is running
ACE_Time_Value time_val = ACE_OS::gettimeofday ();
TimeBase::TimeT sec_part = time_val.sec () * 10000000;
TimeBase::TimeT usec_part = time_val.usec ()* 10;
// Now we have the total time
t += (sec_part + usec_part);
return t;
}
}
#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
template class ACE_TSS<TAO::FT_TSS>;
#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#pragma instantiate ACE_TSS<TAO::FT_TSS>
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */
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