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#include "tao/Dynamic_TP/DTP_POA_Strategy.h"
#include "tao/CSD_ThreadPool/CSD_TP_Remote_Request.h"
#include "tao/CSD_ThreadPool/CSD_TP_Collocated_Synch_Request.h"
#include "tao/CSD_ThreadPool/CSD_TP_Collocated_Asynch_Request.h"
#include "tao/CSD_ThreadPool/CSD_TP_Custom_Synch_Request.h"
#include "tao/CSD_ThreadPool/CSD_TP_Custom_Asynch_Request.h"
#include "tao/CSD_ThreadPool/CSD_TP_Collocated_Synch_With_Server_Request.h"
#include "tao/ORB_Core.h"
#if defined (TAO_HAS_CORBA_MESSAGING) && TAO_HAS_CORBA_MESSAGING != 0
#if !defined (__ACE_INLINE__)
#include "tao/Dynamic_TP/DTP_POA_Strategy.inl"
#endif /* ! __ACE_INLINE__ */
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
TAO_DTP_POA_Strategy::~TAO_DTP_POA_Strategy()
{
}
TAO_DTP_POA_Strategy::CustomRequestOutcome
TAO_DTP_POA_Strategy::custom_synch_request(
TAO::CSD::TP_Custom_Request_Operation* op)
{
TAO::CSD::TP_Servant_State::HandleType servant_state =
this->get_servant_state(op->servant());
TAO::CSD::TP_Custom_Synch_Request *req_ptr;
ACE_NEW_RETURN (req_ptr,
TAO::CSD::TP_Custom_Synch_Request(op, servant_state.in ()),
REQUEST_REJECTED);
TAO::CSD::TP_Custom_Synch_Request_Handle request = req_ptr;
if (!this->dtp_task_.add_request (request.in ()))
{
// The request was rejected by the task.
return REQUEST_REJECTED;
}
// Now we wait until the request is handled (executed or cancelled).
return (request->wait ()) ? REQUEST_EXECUTED : REQUEST_CANCELLED;
}
TAO_DTP_POA_Strategy::CustomRequestOutcome
TAO_DTP_POA_Strategy::custom_asynch_request (
TAO::CSD::TP_Custom_Request_Operation* op)
{
TAO::CSD::TP_Servant_State::HandleType servant_state =
this->get_servant_state (op->servant ());
TAO::CSD::TP_Custom_Asynch_Request *req_ptr;
ACE_NEW_RETURN (req_ptr,
TAO::CSD::TP_Custom_Asynch_Request (op, servant_state.in ()),
REQUEST_REJECTED);
TAO::CSD::TP_Custom_Asynch_Request_Handle request = req_ptr;
return (this->dtp_task_.add_request (request.in ()))
? REQUEST_DISPATCHED : REQUEST_REJECTED;
}
bool
TAO_DTP_POA_Strategy::poa_activated_event_i (TAO_ORB_Core& orb_core)
{
this->dtp_task_.thr_mgr (orb_core.thr_mgr ());
// Activates the worker threads, and waits until all have been started.
if (!this->config_initialized_)
{
TAO_DTP_Config_Registry * config_repo =
ACE_Dynamic_Service<TAO_DTP_Config_Registry>::instance
("DTP_Config_Registry");
if (config_repo == 0)
{
if (TAO_debug_level > 0)
{
TAOLIB_DEBUG ((LM_DEBUG,
ACE_TEXT ("TAO (%P|%t) - DTP_POA_Strategy - ")
ACE_TEXT ("cannot retrieve configuration repo\n")));
}
return false;
}
else
{
TAO_DTP_Definition config_entry;
if (!config_repo->find (this->dynamic_tp_config_name_, config_entry))
{
TAOLIB_DEBUG ((LM_DEBUG,
ACE_TEXT ("TAO (%P|%t) - DTP_POA_Strategy - ")
ACE_TEXT ("warning: config not found...using ")
ACE_TEXT ("defaults!\n")));
}
this->set_dtp_config (config_entry);
//this->dtp_task_.set_init_pool_threads(config_entry.init_threads_);
//this->dtp_task_.set_min_pool_threads(config_entry.min_threads_);
//this->dtp_task_.set_max_pool_threads(config_entry.max_threads_);
//this->dtp_task_.set_thread_idle_time(config_entry.timeout_);
//this->dtp_task_.set_thread_stack_size(config_entry.stack_size_);
//this->dtp_task_.set_max_request_queue_depth(config_entry.queue_depth_);
}
}
return (this->dtp_task_.open () == 0);
}
void
TAO_DTP_POA_Strategy::poa_deactivated_event_i ()
{
// Passing in a value of 1 means that we want to shutdown the task, which
// equates to causing all worker threads to shutdown. The worker threads
// themselves will also invoke the close() method, but the passed-in value
// will be 0. So, a 1 means "shutdown", and a 0 means "a single worker
// thread is going away".
this->dtp_task_.close(1);
}
TAO::CSD::Strategy_Base::DispatchResult
TAO_DTP_POA_Strategy::dispatch_remote_request_i
(TAO_ServerRequest& server_request,
const PortableServer::ObjectId& object_id,
PortableServer::POA_ptr poa,
const char* operation,
PortableServer::Servant servant)
{
TAO::CSD::TP_Servant_State::HandleType servant_state =
this->get_servant_state (servant);
// Handle the one ways that are SYNC_WITH_SERVER and not collocated.
// before queuing the request and thus avoid delaying the client.
// This is a problem if the servant ends up throwing a Location Forward
// exception. If necessary, add an override config option here.
CORBA::Boolean early_sync = true;
server_request.is_queued (early_sync);
server_request.sync_before_dispatch ();
// Now we can create the TP_Remote_Request object, and then add it to our
// task_'s "request queue".
//
// TBD-CSD: Need to use a Cached Allocator to "create" the
// TP_Remote_Request objects. For now, use the heap.
TAO::CSD::TP_Remote_Request *req_ptr;
ACE_NEW_RETURN (req_ptr,
TAO::CSD::TP_Remote_Request (server_request,
object_id,
poa,
operation,
servant,
servant_state.in ()),
TAO::CSD::Strategy_Base::DISPATCH_REJECTED);
TAO::CSD::TP_Remote_Request_Handle request = req_ptr;
// Hand the request object to our task so that it can add the request
// to its "request queue".
if (!this->dtp_task_.add_request (request.in ()))
{
// Return the DISPATCH_REJECTED return code so that the caller (our
// base class' dispatch_request() method) knows that we did
// not handle the request, and that it should be rejected.
return TAO::CSD::Strategy_Base::DISPATCH_REJECTED;
}
return TAO::CSD::Strategy_Base::DISPATCH_HANDLED;
}
TAO::CSD::Strategy_Base::DispatchResult
TAO_DTP_POA_Strategy::dispatch_collocated_request_i
(TAO_ServerRequest& server_request,
const PortableServer::ObjectId& object_id,
PortableServer::POA_ptr poa,
const char* operation,
PortableServer::Servant servant)
{
TAO::CSD::TP_Servant_State::HandleType servant_state =
this->get_servant_state (servant);
bool is_sync_with_server = server_request.sync_with_server ();
bool is_synchronous = server_request.response_expected ();
TAO::CSD::TP_Collocated_Synch_Request_Handle
synch_request;
TAO::CSD::TP_Collocated_Synch_With_Server_Request_Handle
synch_with_server_request;
TAO::CSD::TP_Request_Handle
request;
// Create the request object using the appropriate concrete type.
if (is_sync_with_server)
{
TAO::CSD::TP_Collocated_Synch_With_Server_Request *req_ptr;
ACE_NEW_RETURN (req_ptr,
TAO::CSD::TP_Collocated_Synch_With_Server_Request
(server_request,
object_id,
poa,
operation,
servant,
servant_state.in ()),
DISPATCH_REJECTED);
synch_with_server_request = req_ptr;
// Give the request handle its own "copy".
synch_with_server_request->_add_ref ();
request = synch_with_server_request.in ();
}
else if (is_synchronous)
{
TAO::CSD::TP_Collocated_Synch_Request *req_ptr;
ACE_NEW_RETURN (req_ptr,
TAO::CSD::TP_Collocated_Synch_Request (
server_request,
object_id,
poa,
operation,
servant,
servant_state.in ()),
DISPATCH_REJECTED);
synch_request = req_ptr;
// Give the request handle its own "copy".
synch_request->_add_ref ();
request = synch_request.in ();
}
else
{
TAO::CSD::TP_Collocated_Asynch_Request *req_ptr;
ACE_NEW_RETURN (req_ptr,
TAO::CSD::TP_Collocated_Asynch_Request (server_request,
object_id,
poa,
operation,
servant,
servant_state.in ()),
DISPATCH_REJECTED);
// Just use the (base) request handle to hold the request object.
request = req_ptr;
}
// Hand the request object to our task so that it can add the request
// to its "request queue".
if (!this->dtp_task_.add_request (request.in ()))
{
// Return the DISPATCH_REJECTED return code so that the caller (our
// base class' dispatch_request() method) knows that we did
// not handle the request, and that it should be rejected.
return DISPATCH_REJECTED;
}
// We need to wait on the request object if the request type is a
// synchronous request.
if (!synch_request.is_nil ())
{
int srw = synch_request->wait ();
if (srw == false)
{
// Raise exception when request was cancelled.
throw ::CORBA::NO_IMPLEMENT ();
}
}
else if (!synch_with_server_request.is_nil())
{
bool swsr = synch_with_server_request->wait();
if (swsr == false)
{
// Raise exception when request was cancelled.
throw ::CORBA::NO_IMPLEMENT ();
}
}
return DISPATCH_HANDLED;
}
void
TAO_DTP_POA_Strategy::servant_activated_event_i
(PortableServer::Servant servant,
const PortableServer::ObjectId&)
{
if (this->serialize_servants_)
{
// Add the servant to the servant state map.
this->servant_state_map_.insert (servant);
}
}
void
TAO_DTP_POA_Strategy::servant_deactivated_event_i
(PortableServer::Servant servant,
const PortableServer::ObjectId&)
{
// Cancel all requests stuck in the queue for the specified servant.
this->dtp_task_.cancel_servant (servant);
if (this->serialize_servants_)
{
// Remove the servant from the servant state map.
this->servant_state_map_.remove (servant);
}
}
void
TAO_DTP_POA_Strategy::cancel_requests (PortableServer::Servant servant)
{
// Cancel all requests stuck in the queue for the specified servant.
this->dtp_task_.cancel_servant (servant);
}
TAO::CSD::TP_Servant_State::HandleType
TAO_DTP_POA_Strategy::get_servant_state (PortableServer::Servant servant)
{
TAO::CSD::TP_Servant_State::HandleType servant_state;
if (this->serialize_servants_)
{
servant_state = this->servant_state_map_.find (servant);
}
return servant_state;
}
void
TAO_DTP_POA_Strategy::set_dtp_config (TAO_DTP_Definition &tp_config)
{
if (tp_config.min_threads_ <= 0)
{
this->dtp_task_.set_min_pool_threads (1);
this->dtp_task_.set_thread_idle_time (ACE_Time_Value (0,0));
}
else
{
this->dtp_task_.set_min_pool_threads (tp_config.min_threads_);
this->dtp_task_.set_thread_idle_time (tp_config.timeout_);
}
// initial_pool_threads_
if ((tp_config.init_threads_ <= 0) ||
(tp_config.init_threads_ < tp_config.min_threads_))
{
this->dtp_task_.set_init_pool_threads (this->dtp_task_.get_min_pool_threads());
}
else
{
this->dtp_task_.set_init_pool_threads (tp_config.init_threads_);
}
// max_pool_threads_
if (tp_config.max_threads_ <= 0)
{
// Set to 0 so that max is unbounded.
this->dtp_task_.set_max_pool_threads(0);
}
else
{
if (tp_config.max_threads_ < tp_config.init_threads_)
{
this->dtp_task_.set_max_pool_threads(
this->dtp_task_.get_init_pool_threads ());
}
else
{
this->dtp_task_.set_max_pool_threads (tp_config.max_threads_);
}
}
// thread_stack_size_
if (tp_config.stack_size_ <= 0)
{
this->dtp_task_.set_thread_stack_size (ACE_DEFAULT_THREAD_STACKSIZE);
}
else
{
this->dtp_task_.set_thread_stack_size (tp_config.stack_size_);
}
// max_request_queue_depth_
if (tp_config.queue_depth_ < 0)
{
this->dtp_task_.set_max_request_queue_depth (0);
}
else
{
this->dtp_task_.set_max_request_queue_depth (tp_config.queue_depth_);
}
if (TAO_debug_level > 4)
{
TAOLIB_DEBUG ((LM_DEBUG,
ACE_TEXT ("TAO (%P|%t) - DTP_POA_Strategy: ")
ACE_TEXT ("Initialized with:\n")
ACE_TEXT ("TAO (%P|%t) - DTP_POA_Strategy initial_pool_threads_=")
ACE_TEXT ("[%d]\n")
ACE_TEXT ("TAO (%P|%t) - DTP_POA_Strategy min_pool_threads_=[%d]\n")
ACE_TEXT ("TAO (%P|%t) - DTP_POA_Strategy max_pool_threads_=[%d]\n")
ACE_TEXT ("TAO (%P|%t) - DTP_POA_Strategy max_request_queue_depth_=")
ACE_TEXT ("[%d]\n")
ACE_TEXT ("TAO (%P|%t) - DTP_POA_Strategy thread_stack_size_=[%d]\n")
ACE_TEXT ("TAO (%P|%t) - DTP_POA_Strategy thread_idle_time_=[%d]\n"),
this->dtp_task_.get_init_pool_threads(),
this->dtp_task_.get_min_pool_threads(),
this->dtp_task_.get_max_pool_threads(),
this->dtp_task_.get_max_request_queue_depth(),
this->dtp_task_.get_thread_stack_size(),
this->dtp_task_.get_thread_idle_time()));
}
}
TAO_END_VERSIONED_NAMESPACE_DECL
#endif /* TAO_HAS_CORBA_MESSAGING && TAO_HAS_CORBA_MESSAGING != 0 */
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