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// -*- C++ -*-
//
// $Id$
// ============================================================================
//
// = LIBRARY
// TAO
//
// = FILENAME
// Acceptor_Impl.cpp
//
// = AUTHOR
// Carlos O'Ryan <coryan@uci.edu>
// Ossama Othman <ossama@dre.vanderbilt.edu>
//
// ============================================================================
#ifndef TAO_ACCEPTOR_IMPL_CPP
#define TAO_ACCEPTOR_IMPL_CPP
#include "tao/Acceptor_Impl.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "tao/Thread_Per_Connection_Handler.h"
#include "tao/Server_Strategy_Factory.h"
#include "tao/ORB_Core.h"
#include "tao/Transport_Cache_Manager.h"
#include "tao/Thread_Lane_Resources.h"
#include "tao/Transport.h"
#include "tao/debug.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
//////////////////////////////////////////////////////////////////////////////
template <class SVC_HANDLER>
TAO_Creation_Strategy<SVC_HANDLER>::TAO_Creation_Strategy (TAO_ORB_Core *orb_core,
CORBA::Boolean flag)
: ACE_Creation_Strategy<SVC_HANDLER> (0, orb_core->reactor()),
orb_core_ (orb_core),
lite_flag_ (flag)
{
}
template <class SVC_HANDLER> int
TAO_Creation_Strategy<SVC_HANDLER>::make_svc_handler (SVC_HANDLER *&sh)
{
if (sh == 0)
{
// Purge connections (if necessary)
this->orb_core_->lane_resources ().transport_cache ().purge ();
ACE_NEW_RETURN (sh,
SVC_HANDLER (this->orb_core_,
this->lite_flag_),
-1);
}
return 0;
}
//////////////////////////////////////////////////////////////////////////////
template <class SVC_HANDLER>
TAO_Concurrency_Strategy<SVC_HANDLER>::TAO_Concurrency_Strategy (TAO_ORB_Core *orb_core)
: orb_core_ (orb_core)
{
}
template <class SVC_HANDLER> int
TAO_Concurrency_Strategy<SVC_HANDLER>::activate_svc_handler (SVC_HANDLER *sh,
void *arg)
{
sh->transport ()->opened_as (TAO::TAO_SERVER_ROLE);
// Indicate that this transport was opened in the server role
if (TAO_debug_level > 6)
ACE_DEBUG ((LM_DEBUG,
"TAO (%P|%t) - Concurrency_Strategy::activate_svc_handler, "
"opened as TAO_SERVER_ROLE\n"));
// Here the service handler has been created and the new connection
// has been accepted. #REFCOUNT# is one at this point.
if (this->ACE_Concurrency_Strategy<SVC_HANDLER>::activate_svc_handler (sh,
arg) == -1)
return -1;
// The service handler has been activated. Now cache the handler.
if (sh->add_transport_to_cache () == -1)
{
// Adding to the cache fails, close the handler.
sh->close ();
// #REFCOUNT# is zero at this point.
if (TAO_debug_level > 0)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("TAO (%P|%t) - Concurrency_Strategy::activate_svc_handler, ")
ACE_TEXT ("could not add the handler to cache \n")));
}
return -1;
}
// Registration with cache is successful, #REFCOUNT# is two at this
// point.
TAO_Server_Strategy_Factory *f =
this->orb_core_->server_factory ();
int result = 0;
// Do we need to create threads?
if (f->activate_server_connections ())
{
// Thread-per-connection concurrency model
TAO_Thread_Per_Connection_Handler *tpch = 0;
ACE_NEW_RETURN (tpch,
TAO_Thread_Per_Connection_Handler (sh,
this->orb_core_),
-1);
result =
tpch->activate (f->server_connection_thread_flags (),
f->server_connection_thread_count ());
}
else
{
// Otherwise, it is the reactive concurrency model. We may want
// to register ourselves with the reactor. Call the register
// handler on the transport.
result =
sh->transport ()->register_handler ();
}
if (result != -1)
{
// Activation/registration successful: the handler has been
// registered with either the Reactor or the
// Thread-per-Connection_Handler, and the Transport Cache.
// #REFCOUNT# is three at this point.
// We can let go of our reference.
sh->transport ()->remove_reference ();
}
else
{
// Activation/registration failure. #REFCOUNT# is two at this
// point.
// Remove from cache.
sh->transport ()->purge_entry ();
// #REFCOUNT# is one at this point.
// Close handler.
sh->close ();
// #REFCOUNT# is zero at this point.
if (TAO_debug_level > 0)
{
const ACE_TCHAR *error = 0;
if (f->activate_server_connections ())
error = ACE_TEXT("could not activate new connection");
else
error = ACE_TEXT("could not register new connection in the reactor");
ACE_ERROR ((LM_ERROR,
"TAO (%P|%t) - Concurrency_Strategy::activate_svc_handler, "
"%s\n", error));
}
return -1;
}
// Success: #REFCOUNT# is two at this point.
return result;
}
//////////////////////////////////////////////////////////////////////////////
template <class SVC_HANDLER, ACE_PEER_ACCEPTOR_1>
TAO_Accept_Strategy<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::TAO_Accept_Strategy (TAO_ORB_Core *orb_core)
: orb_core_ (orb_core)
{
}
template <class SVC_HANDLER, ACE_PEER_ACCEPTOR_1> int
TAO_Accept_Strategy<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::open (const ACE_PEER_ACCEPTOR_ADDR &local_addr,
int restart)
{
return ACCEPT_STRATEGY_BASE::open (local_addr,
restart);
}
template <class SVC_HANDLER, ACE_PEER_ACCEPTOR_1> int
TAO_Accept_Strategy<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::accept_svc_handler (SVC_HANDLER *svc_handler)
{
return ACCEPT_STRATEGY_BASE::accept_svc_handler (svc_handler);
}
/////////////////////////////////////////////////////////////////////
TAO_END_VERSIONED_NAMESPACE_DECL
#endif /* TAO_ACCEPTOR_IMPL_CPP */
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