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// $Id$
#define ACE_BUILD_DLL
#include "ace/Reactor.h"
#include "ace/Reactor_Impl.h"
#include "ace/Handle_Set.h"
#if !defined (ACE_HAS_WINCE)
# include "ace/Service_Config.h"
# include "ace/WFMO_Reactor.h"
# include "ace/Msg_WFMO_Reactor.h"
#endif /* !ACE_HAS_WINCE */
#include "ace/Select_Reactor.h"
#include "ace/TP_Reactor.h"
#include "ace/Object_Manager.h"
#if !defined (__ACE_INLINE__)
#include "ace/Reactor.i"
#endif /* __ACE_INLINE__ */
ACE_RCSID(ace, Reactor, "$Id$")
ACE_ALLOC_HOOK_DEFINE(ACE_Reactor)
ACE_Reactor::ACE_Reactor (ACE_Reactor_Impl *impl,
int delete_implementation)
: implementation_ (0),
delete_implementation_ (delete_implementation)
{
this->implementation (impl);
if (this->implementation () == 0)
{
#if !defined (ACE_WIN32) \
|| !defined (ACE_HAS_WINSOCK2) || (ACE_HAS_WINSOCK2 == 0) \
|| defined (ACE_USE_SELECT_REACTOR_FOR_REACTOR_IMPL) \
|| defined (ACE_USE_TP_REACTOR_FOR_REACTOR_IMPL)
#if defined (ACE_USE_TP_REACTOR_FOR_REACTOR_IMPL)
ACE_NEW (impl,
ACE_TP_Reactor);
#else
ACE_NEW (impl,
ACE_Select_Reactor);
#endif /* ACE_USE_TP_REACTOR_FOR_REACTOR_IMPL */
#else /* We are on Win32 and we have winsock and ACE_USE_SELECT_REACTOR_FOR_REACTOR_IMPL is not defined */
#if defined (ACE_USE_MSG_WFMO_REACTOR_FOR_REACTOR_IMPL)
ACE_NEW (impl,
ACE_Msg_WFMO_Reactor);
#else
ACE_NEW (impl,
ACE_WFMO_Reactor);
#endif /* ACE_USE_MSG_WFMO_REACTOR_FOR_REACTOR_IMPL */
#endif /* !defined (ACE_WIN32) || !defined (ACE_HAS_WINSOCK2) || (ACE_HAS_WINSOCK2 == 0) || defined (ACE_USE_SELECT_REACTOR_FOR_REACTOR_IMPL) */
this->implementation (impl);
this->delete_implementation_ = 1;
}
}
ACE_Reactor::~ACE_Reactor (void)
{
if (this->delete_implementation_)
delete this->implementation ();
}
// Process-wide ACE_Reactor.
ACE_Reactor *ACE_Reactor::reactor_ = 0;
// Controls whether the Reactor is deleted when we shut down (we can
// only delete it safely if we created it!)
int ACE_Reactor::delete_reactor_ = 0;
ACE_Reactor *
ACE_Reactor::instance (void)
{
ACE_TRACE ("ACE_Reactor::instance");
if (ACE_Reactor::reactor_ == 0)
{
// Perform Double-Checked Locking Optimization.
ACE_MT (ACE_GUARD_RETURN (ACE_Recursive_Thread_Mutex, ace_mon,
*ACE_Static_Object_Lock::instance (), 0));
if (ACE_Reactor::reactor_ == 0)
{
ACE_NEW_RETURN (ACE_Reactor::reactor_,
ACE_Reactor,
0);
ACE_Reactor::delete_reactor_ = 1;
}
}
return ACE_Reactor::reactor_;
}
ACE_Reactor *
ACE_Reactor::instance (ACE_Reactor *r,
int delete_reactor)
{
ACE_TRACE ("ACE_Reactor::instance");
ACE_MT (ACE_GUARD_RETURN (ACE_Recursive_Thread_Mutex, ace_mon,
*ACE_Static_Object_Lock::instance (), 0));
ACE_Reactor *t = ACE_Reactor::reactor_;
if (delete_reactor != 0)
ACE_Reactor::delete_reactor_ = 1;
else
// We can't safely delete it since we don't know who created it!
ACE_Reactor::delete_reactor_ = 0;
ACE_Reactor::reactor_ = r;
return t;
}
void
ACE_Reactor::close_singleton (void)
{
ACE_TRACE ("ACE_Reactor::close_singleton");
ACE_MT (ACE_GUARD (ACE_Recursive_Thread_Mutex, ace_mon,
*ACE_Static_Object_Lock::instance ()));
if (ACE_Reactor::delete_reactor_)
{
delete ACE_Reactor::reactor_;
ACE_Reactor::reactor_ = 0;
ACE_Reactor::delete_reactor_ = 0;
}
}
int
ACE_Reactor::check_reconfiguration (void *)
{
#if !defined (ACE_HAS_WINCE)
if (ACE_Service_Config::reconfig_occurred ())
{
ACE_Service_Config::reconfigure ();
return 1;
}
#endif /* ACE_HAS_WINCE */
return 0;
}
int
ACE_Reactor::run_reactor_event_loop (REACTOR_EVENT_HOOK eh)
{
ACE_TRACE ("ACE_Reactor::run_reactor_event_loop");
while (1)
{
int result = this->implementation_->handle_events ();
if (eh != 0 && (*eh)(0))
continue;
else if (result == -1 && this->implementation_->deactivated ())
return 0;
else if (result == -1)
return -1;
}
ACE_NOTREACHED (return 0;)
}
int
ACE_Reactor::run_alertable_reactor_event_loop (REACTOR_EVENT_HOOK eh)
{
ACE_TRACE ("ACE_Reactor::run_alertable_reactor_event_loop");
while (1)
{
int result = this->implementation_->alertable_handle_events ();
if (eh != 0 && (*eh)(0))
continue;
else if (result == -1 && this->implementation_->deactivated ())
return 0;
else if (result == -1)
return -1;
}
ACE_NOTREACHED (return 0;)
}
int
ACE_Reactor::run_reactor_event_loop (ACE_Time_Value &tv,
REACTOR_EVENT_HOOK eh)
{
ACE_TRACE ("ACE_Reactor::run_reactor_event_loop");
while (1)
{
int result = this->implementation_->handle_events (tv);
if (eh != 0 && (*eh)(0))
continue;
else if (result == -1 && this->implementation_->deactivated ())
return 0;
else if (result <= 0)
return result;
}
ACE_NOTREACHED (return 0;)
}
int
ACE_Reactor::run_alertable_reactor_event_loop (ACE_Time_Value &tv,
REACTOR_EVENT_HOOK eh)
{
ACE_TRACE ("ACE_Reactor::run_alertable_reactor_event_loop");
while (1)
{
int result = this->implementation_->alertable_handle_events (tv);
if (eh != 0 && (*eh)(0))
continue;
else if (result == -1 && this->implementation_->deactivated ())
return 0;
else if (result <= 0)
return result;
}
ACE_NOTREACHED (return 0;)
}
int
ACE_Reactor::end_reactor_event_loop (void)
{
ACE_TRACE ("ACE_Reactor::end_reactor_event_loop");
this->implementation_->deactivate (1);
return 0;
}
int
ACE_Reactor::reactor_event_loop_done (void)
{
ACE_TRACE ("ACE_Reactor::reactor_event_loop_done");
return this->implementation_->deactivated ();
}
// Report if the <ACE_Reactor::instance>'s event loop is finished.
void
ACE_Reactor::reset_reactor_event_loop (void)
{
ACE_TRACE ("ACE_Reactor::reset_event_loop");
this->implementation_->deactivate (0);
}
// Resets the <ACE_Reactor::end_event_loop_> static so that the
// <run_event_loop> method can be restarted.
void
ACE_Reactor::dump (void) const
{
ACE_TRACE ("ACE_Reactor::dump");
implementation_->dump ();
}
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