// $Id$ #include "ace/Reactor.h" //#if !defined (ACE_HAS_WINCE) # if !defined (ACE_LACKS_ACE_SVCCONF) # include "ace/Service_Config.h" # endif /* !ACE_LACKS_ACE_SVCCONF */ //#endif /* ! ACE_HAS_WINCE */ /* * Hook to specialize the includes directly with the concrete * Reactor type, e.g., select, thread pool reactor * known at compile time. This hook results in all the * #defines being commented * out and the concrete header file directly included. */ //@@ REACTOR_SPL_COMMENT_INCLUDE_START_HOOK // Only include the headers needed to compile. #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) \ || defined (ACE_USE_DEV_POLL_REACTOR_FOR_REACTOR_IMPL) # if defined (ACE_USE_TP_REACTOR_FOR_REACTOR_IMPL) # include "ace/TP_Reactor.h" # else # if defined (ACE_USE_DEV_POLL_REACTOR_FOR_REACTOR_IMPL) # include "ace/Dev_Poll_Reactor.h" # else # include "ace/Select_Reactor.h" # endif /* ACE_USE_DEV_POLL_REACTOR_FOR_REACTOR_IMPL */ # 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) # include "ace/Msg_WFMO_Reactor.h" # else # include "ace/WFMO_Reactor.h" # 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) */ /* * End comment hook. */ //@@ REACTOR_SPL_COMMENT_INCLUDE_END_HOOK #include "ace/Static_Object_Lock.h" #include "ace/Framework_Component.h" #include "ace/Guard_T.h" #include "ace/Recursive_Thread_Mutex.h" #if !defined (__ACE_INLINE__) #include "ace/Reactor.inl" #endif /* __ACE_INLINE__ */ ACE_RCSID (ace, Reactor, "$Id$") ACE_BEGIN_VERSIONED_NAMESPACE_DECL 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) { /* * Hook to specialize the reactor implementation with the concrete * Reactor implementation known at compile time. This hook will * cause the conditionally defined code to be commented out and * the concrete Reactor directly created. */ //@@ REACTOR_SPL_CONSTRUCTOR_COMMENT_HOOK_START #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) \ || defined (ACE_USE_DEV_POLL_REACTOR_FOR_REACTOR_IMPL) # if defined (ACE_USE_TP_REACTOR_FOR_REACTOR_IMPL) ACE_NEW (impl, ACE_TP_Reactor); # else # if defined (ACE_USE_DEV_POLL_REACTOR_FOR_REACTOR_IMPL) ACE_NEW (impl, ACE_Dev_Poll_Reactor); # else ACE_NEW (impl, ACE_Select_Reactor); # endif /* ACE_USE_DEV_POLL_REACTOR_FOR_REACTOR_IMPL */ # 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) */ /* * End hook. */ //@@ REACTOR_SPL_CONSTRUCTOR_COMMENT_HOOK_END this->implementation (impl); this->delete_implementation_ = 1; } } ACE_Reactor::~ACE_Reactor (void) { this->implementation ()->close (); 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; ACE_REGISTER_FRAMEWORK_COMPONENT(ACE_Reactor, ACE_Reactor::reactor_) } } 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; // We can't register the Reactor singleton as a framework component twice. // Therefore we test to see if we had an existing reactor instance, which // if so means it must have already been registered. if (t == 0) ACE_REGISTER_FRAMEWORK_COMPONENT(ACE_Reactor, ACE_Reactor::reactor_); 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; } } const ACE_TCHAR * ACE_Reactor::dll_name (void) { return ACE_LIB_TEXT ("ACE"); } const ACE_TCHAR * ACE_Reactor::name (void) { return ACE_LIB_TEXT ("ACE_Reactor"); } int ACE_Reactor::check_reconfiguration (ACE_Reactor *) { #if !defined (ACE_HAS_WINCE) && !defined (ACE_LACKS_ACE_SVCCONF) if (ACE_Service_Config::reconfig_occurred ()) { ACE_Service_Config::reconfigure (); return 1; } #endif /* ! ACE_HAS_WINCE || ! ACE_LACKS_ACE_SVCCONF */ return 0; } int ACE_Reactor::run_reactor_event_loop (REACTOR_EVENT_HOOK eh) { ACE_TRACE ("ACE_Reactor::run_reactor_event_loop"); if (this->reactor_event_loop_done ()) return 0; while (1) { int result = this->implementation_->handle_events (); if (eh != 0 && (*eh)(this)) 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"); if (this->reactor_event_loop_done ()) return 0; while (1) { int result = this->implementation_->alertable_handle_events (); if (eh != 0 && (*eh)(this)) 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"); if (this->reactor_event_loop_done ()) return 0; while (1) { int result = this->implementation_->handle_events (tv); if (eh != 0 && (*eh) (this)) continue; else if (result == -1) { if (this->implementation_->deactivated ()) result = 0; return result; } else if (result == 0) { // The method timed out without dispatching // anything. Because of rounding and conversion errors and // such, it could be that the wait loop (WFMO, select, etc.) // timed out, but the timer queue said it wasn't quite ready // to expire a timer. In this case, the ACE_Time_Value we // passed into handle_events won't have quite been reduced // to 0, and we need to go around again. If we are all the // way to 0, just return, as the entire time the caller // wanted to wait has been used up. if (tv.usec () > 0) continue; return 0; } // Else there were some events dispatched; go around again } 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"); if (this->reactor_event_loop_done ()) return 0; for (;;) { int result = this->implementation_->alertable_handle_events (tv); if (eh != 0 && (*eh)(this)) 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; } void ACE_Reactor::reset_reactor_event_loop (void) { ACE_TRACE ("ACE_Reactor::reset_reactor_event_loop"); this->implementation_->deactivate (0); } int ACE_Reactor::resumable_handler (void) { return this->implementation ()->resumable_handler (); } ACE_Reactor_Impl * ACE_Reactor::implementation (void) const { return this->implementation_; } void ACE_Reactor::implementation (ACE_Reactor_Impl *impl) { this->implementation_ = impl; } int ACE_Reactor::current_info (ACE_HANDLE handle, size_t &size) { return this->implementation ()->current_info (handle, size); } int ACE_Reactor::open (size_t size, int restart, ACE_Sig_Handler *signal_handler, ACE_Timer_Queue *timer_queue) { return this->implementation ()->open (size, restart, signal_handler, timer_queue); } int ACE_Reactor::set_sig_handler (ACE_Sig_Handler *signal_handler) { return this->implementation ()->set_sig_handler (signal_handler); } int ACE_Reactor::timer_queue (ACE_Timer_Queue *tq) { return this->implementation ()->timer_queue (tq); } ACE_Timer_Queue * ACE_Reactor::timer_queue (void) const { ACE_Reactor_Impl *impl = this->implementation_; return impl->timer_queue (); } int ACE_Reactor::close (void) { return this->implementation ()->close (); } int ACE_Reactor::work_pending (const ACE_Time_Value &max_wait_time) { return this->implementation ()->work_pending (max_wait_time); } int ACE_Reactor::handle_events (ACE_Time_Value *max_wait_time) { return this->implementation ()->handle_events (max_wait_time); } int ACE_Reactor::alertable_handle_events (ACE_Time_Value *max_wait_time) { return this->implementation ()->alertable_handle_events (max_wait_time); } int ACE_Reactor::handle_events (ACE_Time_Value &max_wait_time) { return this->implementation ()->handle_events (max_wait_time); } int ACE_Reactor::alertable_handle_events (ACE_Time_Value &max_wait_time) { return this->implementation ()->alertable_handle_events (max_wait_time); } int ACE_Reactor::register_handler (ACE_Event_Handler *event_handler, ACE_Reactor_Mask mask) { // Remember the old reactor. ACE_Reactor *old_reactor = event_handler->reactor (); // Assign *this* to the . event_handler->reactor (this); int result = this->implementation ()->register_handler (event_handler, mask); if (result == -1) // Reset the old reactor in case of failures. event_handler->reactor (old_reactor); return result; } int ACE_Reactor::register_handler (ACE_HANDLE io_handle, ACE_Event_Handler *event_handler, ACE_Reactor_Mask mask) { // Remember the old reactor. ACE_Reactor *old_reactor = event_handler->reactor (); // Assign *this* to the . event_handler->reactor (this); int result = this->implementation ()->register_handler (io_handle, event_handler, mask); if (result == -1) // Reset the old reactor in case of failures. event_handler->reactor (old_reactor); return result; } #if defined (ACE_WIN32) int ACE_Reactor::register_handler (ACE_Event_Handler *event_handler, ACE_HANDLE event_handle) { // Remember the old reactor. ACE_Reactor *old_reactor = event_handler->reactor (); // Assign *this* to the . event_handler->reactor (this); int result = this->implementation ()->register_handler (event_handler, event_handle); if (result == -1) // Reset the old reactor in case of failures. event_handler->reactor (old_reactor); return result; } #endif /* ACE_WIN32 */ int ACE_Reactor::register_handler (ACE_HANDLE event_handle, ACE_HANDLE io_handle, ACE_Event_Handler *event_handler, ACE_Reactor_Mask mask) { // Remember the old reactor. ACE_Reactor *old_reactor = event_handler->reactor (); // Assign *this* to the . event_handler->reactor (this); int result = this->implementation ()->register_handler (event_handle, io_handle, event_handler, mask); if (result == -1) // Reset the old reactor in case of failures. event_handler->reactor (old_reactor); return result; } int ACE_Reactor::register_handler (const ACE_Handle_Set &handles, ACE_Event_Handler *event_handler, ACE_Reactor_Mask mask) { // Remember the old reactor. ACE_Reactor *old_reactor = event_handler->reactor (); // Assign *this* to the . event_handler->reactor (this); int result = this->implementation ()->register_handler (handles, event_handler, mask); if (result == -1) // Reset the old reactor in case of failures. event_handler->reactor (old_reactor); return result; } int ACE_Reactor::register_handler (int signum, ACE_Event_Handler *new_sh, ACE_Sig_Action *new_disp, ACE_Event_Handler **old_sh, ACE_Sig_Action *old_disp) { return this->implementation ()->register_handler (signum, new_sh, new_disp, old_sh, old_disp); } int ACE_Reactor::register_handler (const ACE_Sig_Set &sigset, ACE_Event_Handler *new_sh, ACE_Sig_Action *new_disp) { return this->implementation ()->register_handler (sigset, new_sh, new_disp); } int ACE_Reactor::remove_handler (ACE_Event_Handler *event_handler, ACE_Reactor_Mask mask) { return this->implementation ()->remove_handler (event_handler, mask); } int ACE_Reactor::remove_handler (ACE_HANDLE handle, ACE_Reactor_Mask mask) { return this->implementation ()->remove_handler (handle, mask); } int ACE_Reactor::remove_handler (const ACE_Handle_Set &handle_set, ACE_Reactor_Mask mask) { return this->implementation ()->remove_handler (handle_set, mask); } int ACE_Reactor::remove_handler (int signum, ACE_Sig_Action *new_disp, ACE_Sig_Action *old_disp, int sigkey) { return this->implementation ()->remove_handler (signum, new_disp, old_disp, sigkey); } int ACE_Reactor::remove_handler (const ACE_Sig_Set &sigset) { return this->implementation ()->remove_handler (sigset); } int ACE_Reactor::suspend_handler (ACE_Event_Handler *event_handler) { return this->implementation ()->suspend_handler (event_handler); } int ACE_Reactor::suspend_handler (ACE_HANDLE handle) { return this->implementation ()->suspend_handler (handle); } int ACE_Reactor::suspend_handler (const ACE_Handle_Set &handles) { return this->implementation ()->suspend_handler (handles); } int ACE_Reactor::suspend_handlers (void) { return this->implementation ()->suspend_handlers (); } int ACE_Reactor::resume_handler (ACE_Event_Handler *event_handler) { return this->implementation ()->resume_handler (event_handler); } int ACE_Reactor::resume_handler (ACE_HANDLE handle) { return this->implementation ()->resume_handler (handle); } int ACE_Reactor::resume_handler (const ACE_Handle_Set &handles) { return this->implementation ()->resume_handler (handles); } int ACE_Reactor::resume_handlers (void) { return this->implementation ()->resume_handlers (); } int ACE_Reactor::reset_timer_interval (long timer_id, const ACE_Time_Value &interval) { ACE_TRACE ("ACE_Reactor::reset_timer_interval"); return this->implementation ()->reset_timer_interval (timer_id, interval); } long ACE_Reactor::schedule_timer (ACE_Event_Handler *event_handler, const void *arg, const ACE_Time_Value &delta, const ACE_Time_Value &interval) { // Remember the old reactor. ACE_Reactor *old_reactor = event_handler->reactor (); // Assign *this* to the . event_handler->reactor (this); long result = this->implementation ()->schedule_timer (event_handler, arg, delta, interval); if (result == -1) // Reset the old reactor in case of failures. event_handler->reactor (old_reactor); return result; } int ACE_Reactor::cancel_timer (ACE_Event_Handler *event_handler, int dont_call_handle_close) { return this->implementation ()->cancel_timer (event_handler, dont_call_handle_close); } int ACE_Reactor::cancel_timer (long timer_id, const void **arg, int dont_call_handle_close) { return this->implementation ()->cancel_timer (timer_id, arg, dont_call_handle_close); } int ACE_Reactor::schedule_wakeup (ACE_Event_Handler *event_handler, ACE_Reactor_Mask masks_to_be_added) { // Remember the old reactor. ACE_Reactor *old_reactor = event_handler->reactor (); // Assign *this* to the . event_handler->reactor (this); int result = this->implementation ()->schedule_wakeup (event_handler, masks_to_be_added); if (result == -1) // Reset the old reactor in case of failures. event_handler->reactor (old_reactor); return result; } int ACE_Reactor::schedule_wakeup (ACE_HANDLE handle, ACE_Reactor_Mask masks_to_be_added) { return implementation ()->schedule_wakeup (handle, masks_to_be_added); } int ACE_Reactor::cancel_wakeup (ACE_Event_Handler *event_handler, ACE_Reactor_Mask masks_to_be_cleared) { return this->implementation ()->cancel_wakeup (event_handler, masks_to_be_cleared); } int ACE_Reactor::cancel_wakeup (ACE_HANDLE handle, ACE_Reactor_Mask masks_to_be_cleared) { return this->implementation ()->cancel_wakeup (handle, masks_to_be_cleared); } int ACE_Reactor::notify (ACE_Event_Handler *event_handler, ACE_Reactor_Mask mask, ACE_Time_Value *tv) { // First, try to remember this reactor in the event handler, in case // the event handler goes away before the notification is delivered. if (event_handler != 0 && event_handler->reactor () == 0) event_handler->reactor (this); return this->implementation ()->notify (event_handler, mask, tv); } void ACE_Reactor::max_notify_iterations (int iterations) { this->implementation ()->max_notify_iterations (iterations); } int ACE_Reactor::max_notify_iterations (void) { return this->implementation ()->max_notify_iterations (); } int ACE_Reactor::purge_pending_notifications (ACE_Event_Handler *eh, ACE_Reactor_Mask mask) { return this->implementation ()->purge_pending_notifications (eh, mask); } ACE_Event_Handler * ACE_Reactor::find_handler (ACE_HANDLE handle) { return this->implementation ()->find_handler (handle); } int ACE_Reactor::handler (ACE_HANDLE handle, ACE_Reactor_Mask mask, ACE_Event_Handler **event_handler) { return this->implementation ()->handler (handle, mask, event_handler); } int ACE_Reactor::handler (int signum, ACE_Event_Handler **event_handler) { return this->implementation ()->handler (signum, event_handler); } int ACE_Reactor::initialized (void) { return this->implementation ()->initialized (); } ACE_Lock & ACE_Reactor::lock (void) { return this->implementation ()->lock (); } void ACE_Reactor::wakeup_all_threads (void) { this->implementation ()->wakeup_all_threads (); } int ACE_Reactor::owner (ACE_thread_t new_owner, ACE_thread_t *old_owner) { return this->implementation ()->owner (new_owner, old_owner); } int ACE_Reactor::owner (ACE_thread_t *owner) { return this->implementation ()->owner (owner); } int ACE_Reactor::restart (void) { return this->implementation ()->restart (); } int ACE_Reactor::restart (int r) { return this->implementation ()->restart (r); } void ACE_Reactor::requeue_position (int position) { this->implementation ()->requeue_position (position); } int ACE_Reactor::requeue_position (void) { return this->implementation ()->requeue_position (); } int ACE_Reactor::mask_ops (ACE_Event_Handler *event_handler, ACE_Reactor_Mask mask, int ops) { return this->implementation ()->mask_ops (event_handler, mask, ops); } int ACE_Reactor::mask_ops (ACE_HANDLE handle, ACE_Reactor_Mask mask, int ops) { return this->implementation ()->mask_ops (handle, mask, ops); } int ACE_Reactor::ready_ops (ACE_Event_Handler *event_handler, ACE_Reactor_Mask mask, int ops) { return this->implementation ()->ready_ops (event_handler, mask, ops); } int ACE_Reactor::ready_ops (ACE_HANDLE handle, ACE_Reactor_Mask mask, int ops) { return this->implementation ()->ready_ops (handle, mask, ops); } int ACE_Reactor::reactor_event_loop_done (void) { ACE_TRACE ("ACE_Reactor::reactor_event_loop_done"); return this->implementation_->deactivated (); } size_t ACE_Reactor::size (void) const { return this->implementation ()->size (); } int ACE_Reactor::uses_event_associations (void) { return this->implementation ()->uses_event_associations (); } void ACE_Reactor::dump (void) const { #if defined (ACE_HAS_DUMP) ACE_TRACE ("ACE_Reactor::dump"); implementation_->dump (); #endif /* ACE_HAS_DUMP */ } #if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION) template class ACE_Framework_Component_T; #elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA) #pragma instantiate ACE_Framework_Component_T #endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */ ACE_END_VERSIONED_NAMESPACE_DECL