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//$Id$
#include "tao/AnyTypeCode/Any.h"
#include "tao/AnyTypeCode/TypeCode.h"
#include "tao/RTScheduling/Request_Interceptor.h"
#include "tao/RTScheduling/Current.h"
#include "tao/RTScheduling/Distributable_Thread.h"
#include "tao/TSS_Resources.h"
#include "tao/debug.h"
#include "tao/ORB_Constants.h"
#include "ace/OS_NS_string.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
const IOP::ServiceId
Client_Interceptor::SchedulingInfo = 30;
void
Client_Interceptor::send_request (PortableInterceptor::ClientRequestInfo_ptr ri)
{
if (TAO_debug_level > 0)
TAOLIB_DEBUG ((LM_DEBUG,
"Client_Interceptor::send_request\n"));
// Temporary current.
TAO_RTScheduler_Current_i *new_current = 0;
TAO_RTScheduler_Current_i *current = 0;
TAO_TSS_Resources *tss = TAO_TSS_Resources::instance ();
current = static_cast<TAO_RTScheduler_Current_i *> (tss->rtscheduler_current_impl_);
if (current != 0)
{
// If this is a one way request
if (!ri->response_expected ())
{
// Generate GUID.
RTScheduling::Current::IdType guid;
guid.length (sizeof(size_t));
size_t temp = ++TAO_RTScheduler_Current::guid_counter;
ACE_OS::memcpy (guid.get_buffer (),
&temp,
sizeof(size_t));
size_t id;
ACE_OS::memcpy (&id,
guid.get_buffer (),
guid.length ());
if (TAO_debug_level > 0)
TAOLIB_DEBUG ((LM_DEBUG,
"The Guid is %d %d\n",
id,
TAO_RTScheduler_Current::guid_counter.value_i ()));
// Create new DT.
RTScheduling::DistributableThread_var dt =
TAO_DistributableThread_Factory::create_DT ();
// Add new DT to map.
int result = current->dt_hash ()->bind (guid, dt);
if (result != 0)
{
TAOLIB_DEBUG ((LM_DEBUG,
"No Scheduling Segment Context\n"));
throw ::CORBA::INTERNAL ();
}
// @@ Store implicit_sched_param in a var
// Create new temporary current. Note that
// the new <sched_param> is the current
// <implicit_sched_param> and there is no
// segment name.
CORBA::Policy_var implicit_sched_param =
current->implicit_scheduling_parameter ();
ACE_NEW (new_current,
TAO_RTScheduler_Current_i (current->orb (),
current->dt_hash (),
guid,
0,
implicit_sched_param.in (),
0,
dt.in (),
current));
// Install new current in the ORB.
//current->implementation (new_current);
tss->rtscheduler_current_impl_ = new_current;
}
// Scheduler populates the service context with
// scheduling parameters.
RTScheduling::Scheduler_var scheduler = current->scheduler ();
scheduler->send_request (ri);
// If this is a one way request
if (!ri->response_expected ())
{
// Cleanup temporary DT.
new_current->cleanup_DT ();
//Restore old current
new_current->cleanup_current ();
}
}
}
void
Client_Interceptor::send_poll (PortableInterceptor::ClientRequestInfo_ptr ri)
{
if (TAO_debug_level > 0)
TAOLIB_DEBUG ((LM_DEBUG,
"Client_Interceptor::send_poll\n"));
TAO_RTScheduler_Current_i *current = 0;
TAO_TSS_Resources *tss = TAO_TSS_Resources::instance ();
current = static_cast<TAO_RTScheduler_Current_i *> (tss->rtscheduler_current_impl_);
if (current != 0)
{
RTScheduling::Scheduler_var scheduler = current->scheduler ();
scheduler->send_poll (ri);
}
}
void
Client_Interceptor::receive_reply (PortableInterceptor::ClientRequestInfo_ptr ri)
{
if (TAO_debug_level > 0)
TAOLIB_DEBUG ((LM_DEBUG,
"Client_Interceptor::receive_reply\n"));
TAO_RTScheduler_Current_i *current = 0;
TAO_TSS_Resources *tss = TAO_TSS_Resources::instance ();
current = static_cast<TAO_RTScheduler_Current_i *> (tss->rtscheduler_current_impl_);
if (current != 0)
{
RTScheduling::Scheduler_var scheduler = current->scheduler ();
scheduler->receive_reply (ri);
}
}
void
Client_Interceptor::receive_exception (PortableInterceptor::ClientRequestInfo_ptr ri)
{
if (TAO_debug_level > 0)
TAOLIB_DEBUG ((LM_DEBUG,
"Client_Interceptor::receive_exception\n"));
TAO_TSS_Resources *tss = TAO_TSS_Resources::instance ();
TAO_RTScheduler_Current_i *current =
static_cast<TAO_RTScheduler_Current_i *> (tss->rtscheduler_current_impl_);
if (current != 0)
{
if (ri == 0)
{
TAOLIB_ERROR ((LM_ERROR,
"ri = 0\n"));
return;
}
CORBA::Any_var ex = ri->received_exception ();
CORBA::TypeCode_var type = ex->type ();
if (CORBA::is_nil (type.in ()))
{
TAOLIB_ERROR ((LM_ERROR,
"type = 0\n"));
return;
}
const char * id = type->id ();
if (TAO_debug_level > 0)
TAOLIB_DEBUG ((LM_DEBUG,
"Received Exception %C\n",
id));
// If the remote host threw a THREAD_CANCELLED
// exception, make sure to take the appropriate
// local action.
if (ACE_OS::strstr (id, "CORBA::THREAD_CANCELLED") == 0)
{
// Perform the necessary cleanup as the
// thread was cancelled.
current->cancel_thread ();
}
else
{
// Inform scheduler that exception was
// received.
RTScheduling::Scheduler_var scheduler = current->scheduler ();
scheduler->receive_exception (ri);
}
}
}
void
Client_Interceptor::receive_other (PortableInterceptor::ClientRequestInfo_ptr ri)
{
if (TAO_debug_level > 0)
TAOLIB_DEBUG ((LM_DEBUG,
"Client_Interceptor::receive_other\n"));
TAO_RTScheduler_Current_i *current = 0;
TAO_TSS_Resources *tss = TAO_TSS_Resources::instance ();
current = static_cast<TAO_RTScheduler_Current_i *> (tss->rtscheduler_current_impl_);
if (current != 0)
{
RTScheduling::Scheduler_var scheduler = current->scheduler ();
scheduler->receive_other (ri);
}
}
char*
Client_Interceptor::name (void)
{
return CORBA::string_dup ("RTSchdeuler_Client_Interceptor");
}
void
Client_Interceptor::destroy (void)
{
}
const IOP::ServiceId
Server_Interceptor::SchedulingInfo = 30;
Server_Interceptor::Server_Interceptor (TAO_RTScheduler_Current_ptr current)
{
this->current_ = TAO_RTScheduler_Current::_duplicate (current);
}
void
Server_Interceptor::receive_request_service_contexts (
PortableInterceptor::ServerRequestInfo_ptr)
{
if (TAO_debug_level > 0)
TAOLIB_DEBUG ((LM_DEBUG,
"Server_Interceptor::receive_request_service_contexts\n"));
}
void
Server_Interceptor::receive_request (PortableInterceptor::ServerRequestInfo_ptr ri
)
{
if (TAO_debug_level > 0)
TAOLIB_DEBUG ((LM_DEBUG,
"Server_Interceptor::receive_request\n"));
IOP::ServiceContext_var serv_cxt;
try
{
serv_cxt =
ri->get_request_service_context (Server_Interceptor::SchedulingInfo);
}
catch (const ::CORBA::Exception&)
{
if (TAO_debug_level > 0)
TAOLIB_DEBUG ((LM_DEBUG,
"Invalid Service Request\n"));
return;
}
if (TAO_debug_level > 0)
TAOLIB_DEBUG ((LM_DEBUG,
"Request from Distributable Thread\n"));
RTScheduling::Current::IdType_var guid_var;
char* name = 0;
CORBA::Policy_var sched_param = 0;
CORBA::Policy_var implicit_sched_param = 0;
TAO_RTScheduler_Current_i* new_current = 0;
ACE_NEW_THROW_EX (new_current,
TAO_RTScheduler_Current_i (this->current_->orb (),
this->current_->dt_hash ()),
CORBA::NO_MEMORY (
CORBA::SystemException::_tao_minor_code (
TAO::VMCID,
ENOMEM),
CORBA::COMPLETED_NO));
// Scheduler retrieves scheduling parameters
// from request and populates the out
// parameters.
RTScheduling::Scheduler_var scheduler = new_current->scheduler();
scheduler->receive_request (ri,
guid_var.out (),
name,
sched_param.out (),
implicit_sched_param.out ());
if (guid_var->length () == 0)
{
TAOLIB_ERROR ((LM_ERROR,
"The scheduler MUST retrieve and return the "
"GUID from the service context\n"));
return;
}
RTScheduling::Current::IdType guid;
guid.length (sizeof (size_t));
ACE_OS::memcpy (guid.get_buffer (),
guid_var->get_buffer (),
sizeof (size_t));
size_t id;
ACE_OS::memcpy (&id,
guid.get_buffer (),
guid.length ());
if (TAO_debug_level > 0)
TAOLIB_DEBUG ((LM_DEBUG,
"The Guid is %d\n",
id));
// Create new DT.
RTScheduling::DistributableThread_var dt = TAO_DistributableThread_Factory::create_DT ();
// Add new DT to map.
int result = new_current->dt_hash ()->bind (guid, dt);
if (result != 0)
{
throw ::CORBA::INTERNAL ();
}
// Create new temporary current. Note that the new <sched_param> is
// the current <implicit_sched_param> and there is no segment name.
new_current->id (guid);
new_current->name (name);
new_current->scheduling_parameter (sched_param.in ());
new_current->implicit_scheduling_parameter (implicit_sched_param.in ());
new_current->DT (dt.in ());
// Install new current in the ORB and store the previous current
// implementation
// current->implementation (new_current)
TAO_TSS_Resources *tss = TAO_TSS_Resources::instance ();
tss->rtscheduler_previous_current_impl_ = this->current_->implementation (new_current);
}
void
Server_Interceptor::send_reply (PortableInterceptor::ServerRequestInfo_ptr ri)
{
if (TAO_debug_level > 0)
TAOLIB_DEBUG ((LM_DEBUG,
"Server_Interceptor::send_reply\n"));
TAO_RTScheduler_Current_i *current = 0;
TAO_RTScheduler_Current_i *prev_current = 0;
TAO_TSS_Resources *tss = TAO_TSS_Resources::instance ();
current = static_cast<TAO_RTScheduler_Current_i *> (tss->rtscheduler_current_impl_);
if (current != 0)
{
RTScheduling::DistributableThread_var dt = current->DT ();
if (dt->state () == RTScheduling::DistributableThread::CANCELLED)
{
current->cancel_thread ();
return;
}
else TAOLIB_DEBUG ((LM_DEBUG,
"Thread Not Cancelled\n"));
// Inform scheduler that upcall is complete.
RTScheduling::Scheduler_var scheduler = current->scheduler ();
scheduler->send_reply (ri);
current->cleanup_DT ();
current->cleanup_current ();
// Get the previous current if any.
prev_current = static_cast<TAO_RTScheduler_Current_i *> (tss->rtscheduler_previous_current_impl_);
// Restore the previous current.
tss->rtscheduler_current_impl_ = prev_current;
// Reset the previous current pointer.
tss->rtscheduler_previous_current_impl_ = 0;
}
else TAOLIB_DEBUG ((LM_DEBUG,
"Send Reply Current is 0\n"));
}
void
Server_Interceptor::send_exception (PortableInterceptor::ServerRequestInfo_ptr ri)
{
if (TAO_debug_level > 0)
TAOLIB_DEBUG ((LM_DEBUG,
"Server_Interceptor::send_exception\n"));
TAO_RTScheduler_Current_i *current = 0;
TAO_TSS_Resources *tss = TAO_TSS_Resources::instance ();
current = static_cast<TAO_RTScheduler_Current_i *> (tss->rtscheduler_current_impl_);
if (current != 0)
{
// Inform scheduler that upcall is complete.
RTScheduling::Scheduler_var scheduler = current->scheduler ();
scheduler->send_exception (ri);
current->cleanup_DT ();
current->cleanup_current ();
}
}
void
Server_Interceptor::send_other (PortableInterceptor::ServerRequestInfo_ptr ri)
{
if (TAO_debug_level > 0)
TAOLIB_DEBUG ((LM_DEBUG,
"Server_Interceptor::send_other\n"));
TAO_RTScheduler_Current_i *current = 0;
TAO_TSS_Resources *tss = TAO_TSS_Resources::instance ();
current = static_cast<TAO_RTScheduler_Current_i *> (tss->rtscheduler_current_impl_);
if (current != 0)
{
// Inform scheduler that upcall is complete.
RTScheduling::Scheduler_var scheduler = current->scheduler ();
scheduler->send_other (ri);
current->cleanup_DT ();
current->cleanup_current ();
}
}
char*
Server_Interceptor::name (void)
{
return CORBA::string_dup ("RTSchdeuler_Server_Interceptor");
}
void
Server_Interceptor::destroy (void)
{
}
TAO_END_VERSIONED_NAMESPACE_DECL
|