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// This may look like C, but it's really -*- C++ -*-
// $Id$
// ============================================================================
//
// = LIBRARY
// TAO
//
// = FILENAME
// Acceptor_Impl.cpp
//
// = AUTHOR
// Carlos O'Ryan <coryan@cs.wustl.edu>
// Ossama Othman <othman@cs.wustl.edu>
//
// ============================================================================
#ifndef TAO_ACCEPTOR_IMPL_C
#define TAO_ACCEPTOR_IMPL_C
#include "tao/Acceptor_Impl.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "tao/ORB_Core.h"
#include "tao/Server_Strategy_Factory.h"
#include "tao/Connector_Registry.h"
#include "tao/debug.h"
#if !defined(__ACE_INLINE__)
#include "tao/Acceptor_Impl.i"
#endif /* __ACE_INLINE__ */
ACE_RCSID(tao, Acceptor_Impl, "$Id$")
////////////////////////////////////////////////////////////////////////////////
template <class SVC_HANDLER>
TAO_Creation_Strategy<SVC_HANDLER>::TAO_Creation_Strategy (TAO_ORB_Core *orb_core)
: orb_core_ (orb_core)
{
}
template <class SVC_HANDLER> int
TAO_Creation_Strategy<SVC_HANDLER>::make_svc_handler (SVC_HANDLER *&sh)
{
if (sh == 0)
ACE_NEW_RETURN (sh,
SVC_HANDLER (this->orb_core_),
-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)
{
if (this->ACE_Concurrency_Strategy<SVC_HANDLER>::activate_svc_handler (sh,
arg) == -1)
return -1;
TAO_Server_Strategy_Factory *f =
this->orb_core_->server_factory ();
if (f->activate_server_connections ())
return sh->activate (f->server_connection_thread_flags (),
f->server_connection_thread_count ());
return this->orb_core_->reactor ()->register_handler
(sh, ACE_Event_Handler::READ_MASK);
}
////////////////////////////////////////////////////////////////////////////////
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)
{
int result = ACCEPT_STRATEGY_BASE::open (local_addr,
restart);
if (result == 0)
return result;
// If the error occured due to the fact that the open handle limit
// was exhausted, then purge some "old" connections.
result = this->out_of_sockets_handler ();
if (result == -1)
return -1;
// If we are able to purge, try again.
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)
{
int result = ACCEPT_STRATEGY_BASE::accept_svc_handler (svc_handler);
if (result == 0)
return result;
// If the error occured due to the fact that the open handle limit
// was exhausted, then purge some "old" connections.
this->out_of_sockets_handler ();
return result;
}
template <class SVC_HANDLER, ACE_PEER_ACCEPTOR_1> int
TAO_Accept_Strategy<SVC_HANDLER, ACE_PEER_ACCEPTOR_2>::out_of_sockets_handler (void)
{
if (ACE::out_of_handles (errno))
{
// Close some cached connections by explicitly purging the
// connection cache maintained by the connectors in the
// connector registry.
if (TAO_debug_level > 0)
ACE_DEBUG ((LM_DEBUG, "Purging connections from Connectors in Connector Registry...\n"));
return this->orb_core_->connector_registry ()->purge_connections ();
}
return -1;
}
////////////////////////////////////////////////////////////////////////////////
#endif /* TAO_ACCEPTOR_IMPL_C */
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