diff options
Diffstat (limited to 'ACE/ace/QtReactor/QtReactor.cpp')
| -rw-r--r-- | ACE/ace/QtReactor/QtReactor.cpp | 644 |
1 files changed, 0 insertions, 644 deletions
diff --git a/ACE/ace/QtReactor/QtReactor.cpp b/ACE/ace/QtReactor/QtReactor.cpp deleted file mode 100644 index 5a80886174b..00000000000 --- a/ACE/ace/QtReactor/QtReactor.cpp +++ /dev/null @@ -1,644 +0,0 @@ -//$Id$ - -#include "ace/QtReactor/QtReactor.h" - -ACE_BEGIN_VERSIONED_NAMESPACE_DECL - -ACE_ALLOC_HOOK_DEFINE (ACE_QtReactor) - -// Must be called with lock held - -ACE_QtReactor::ACE_QtReactor (QApplication *qapp , - ACE_Sig_Handler *sh, - ACE_Timer_Queue *tq, - int disable_notify_pipe, - ACE_Reactor_Notify *notify, - int mask_signals, - int s_queue ): - ACE_Select_Reactor( sh, tq, disable_notify_pipe, - notify, mask_signals, s_queue), - qapp_(qapp), - qtime_ (0) -{ - reopen_notification_pipe(); -} - -// Must be called with lock held -ACE_QtReactor::ACE_QtReactor (size_t size, - QApplication *qapp, - int restart, - ACE_Sig_Handler *sh, - ACE_Timer_Queue *tq, - int disable_notify_pipe, - ACE_Reactor_Notify *notify, - int mask_signals, - int s_queue): - ACE_Select_Reactor( size, restart, sh, tq, - disable_notify_pipe, notify, mask_signals, - s_queue ), - qapp_(qapp), - qtime_ (0) - -{ - reopen_notification_pipe(); -} - -void ACE_QtReactor::reopen_notification_pipe( void) -{ - // When the ACE_Select_Reactor is constructed it creates the notify - // pipe and registers it with the register_handler_i() method. The - // QtReactor overloads this method BUT because the - // register_handler_i occurs when constructing the base class - // ACE_Select_Reactor, the ACE_Select_Reactor register_handler_i() - // is called not the QtReactor register_handler_i(). This means - // that the notify pipe is registered with the ACE_Select_Reactor - // event handling code not the QtReactor and so notfications don't - // work. To get around this we simply close and re-opened the - // notification handler in the constructor of the QtReactor. - -#if defined (ACE_MT_SAFE) && (ACE_MT_SAFE != 0) - if ( initialized_ ) - { - this->notify_handler_->close (); - - // Patch for MS Windows: close and open doesn't clear the read - // fd_set, so reset it manually - this->wait_set_.rd_mask_.reset (); - - this->notify_handler_->open (this, 0); - } -#endif /* ACE_MT_SAFE */ -} - -ACE_QtReactor::~ACE_QtReactor (void) -{ - // iterate over QSocketNotifiers for read and release them - MAP::ITERATOR iter = this->read_notifier_.begin (); - MAP::ITERATOR iterEnd = this->read_notifier_.end (); - while( iter != iterEnd ) - { - MAP::ENTRY &entry = *iter; - // QOBject destructor notifies qapplication (hopefully) on delete - delete entry.int_id_; - ++iter; - } - - // iterate over QSocketNotifiers for write and release them - this->write_notifier_.begin (); - this->write_notifier_.end (); - while( iter != iterEnd ) - { - MAP::ENTRY &entry = *iter; - // QOBject destructor notifies qapplication (hopefully) on delete - delete entry.int_id_; - ++iter; - } - - // iterate over QSocketNotifiers for exceptions and release them - this->exception_notifier_.begin (); - this->exception_notifier_.end (); - while( iter != iterEnd ) - { - MAP::ENTRY &entry = *iter; - // QOBject destructor notifies qapplication (hopefully) on delete - delete entry.int_id_; - ++iter; - } - - // QOBject destructor notifies qapplication (hopefully) on delete - delete qtime_; -} - -void -ACE_QtReactor::qapplication (QApplication *qapp) -{ - // reparent QSocketNotifiers and QTimer - qapp_ = qapp ; -} - -void -ACE_QtReactor::timeout_event (void) -{ - // Deal with any timer events - ACE_Select_Reactor_Handle_Set handle_set; - this->dispatch (0, handle_set ); - - // Set next timeout signal - this->reset_timeout (); -} - -void -ACE_QtReactor::read_event (int p_handle) -{ - ACE_TRACE ("ACE_QtReactor::read_event"); - - ACE_HANDLE handle = ACE_HANDLE( p_handle ); - -#ifdef ACE_QTREACTOR_CLEAR_PENDING_EVENTS - // disable socket notifier to clear pending events - QSocketNotifier *qsock_notifier = 0; - if ( ( this->read_notifier_.find( handle, - qsock_notifier) != -1) ) - qsock_notifier->setEnabled( false ); -#endif /* ACE_QTREACTOR_CLEAR_PENDING_EVENTS */ - - // The core of read event handling - ACE_Select_Reactor_Handle_Set dispatch_set; - - dispatch_set.rd_mask_.set_bit ( handle ); - this->dispatch (1, dispatch_set); - -#ifdef ACE_QTREACTOR_CLEAR_PENDING_EVENTS - // enable socket notifier according to current mask - ACE_Reactor_Mask mask = 0; - mask = mask_ops( handle, mask, ACE_Reactor::GET_MASK ); - if ( -1 != mask ) - set_enable_flag_by_mask ( 1, handle, mask); -#endif /* ACE_QTREACTOR_CLEAR_PENDING_EVENTS */ -} - -void -ACE_QtReactor::write_event (int p_handle) -{ - ACE_TRACE ("ACE_QtReactor::write_event"); - - ACE_HANDLE handle = ACE_HANDLE( p_handle ); - -#ifdef ACE_QTREACTOR_CLEAR_PENDING_EVENTS - // disable socket notifier to clear pending events - QSocketNotifier *qsock_notifier = 0; - if ( ( this->write_notifier_.find( handle, qsock_notifier) != -1) ) - qsock_notifier->setEnabled( false ); -#endif /* ACE_QTREACTOR_CLEAR_PENDING_EVENTS */ - - // The core of write event handling - ACE_Select_Reactor_Handle_Set dispatch_set; - - dispatch_set.wr_mask_.set_bit( handle ); - this->dispatch (1, dispatch_set); - -#ifdef ACE_QTREACTOR_CLEAR_PENDING_EVENTS - // enable socket notifier according to current mask - ACE_Reactor_Mask mask = 0; - mask = mask_ops( handle, mask, ACE_Reactor::GET_MASK ); - if ( -1 != mask ) - set_enable_flag_by_mask ( 1, handle, mask); -#endif /* ACE_QTREACTOR_CLEAR_PENDING_EVENTS */ -} - -void -ACE_QtReactor::exception_event (int p_handle) -{ - ACE_TRACE ("ACE_QtReactor::exception_event"); - - ACE_HANDLE handle = ACE_HANDLE( p_handle ); - - -#ifdef ACE_QTREACTOR_CLEAR_PENDING_EVENTS - // disable socket notifier to clear pending events - QSocketNotifier *qsock_notifier = 0; - if ( ( this->exception_notifier_.find( handle, qsock_notifier) != -1) ) - qsock_notifier->setEnabled( false ); -#endif /* ACE_QTREACTOR_CLEAR_PENDING_EVENTS */ - - // The core of exception event handling - ACE_Select_Reactor_Handle_Set dispatch_set; - - dispatch_set.ex_mask_.set_bit( handle ); - dispatch (1, dispatch_set); - -#ifdef ACE_QTREACTOR_CLEAR_PENDING_EVENTS - // enable socket notifier according to current mask - ACE_Reactor_Mask mask = 0; - mask = mask_ops( handle, mask, ACE_Reactor::GET_MASK ); - if ( -1 != mask ) - set_enable_flag_by_mask ( 1, handle, mask); -#endif /* ACE_QTREACTOR_CLEAR_PENDING_EVENTS */ -} - -int -ACE_QtReactor::set_enable_flag_by_mask (int flag_value, - ACE_HANDLE handle, - ACE_Reactor_Mask mask) -{ - QSocketNotifier *qs_not; - - if (ACE_BIT_ENABLED(mask, ACE_Event_Handler::READ_MASK) || - ACE_BIT_ENABLED( mask, ACE_Event_Handler::ACCEPT_MASK)) - { - // Find the current notifier - qs_not = 0; - if ((this->read_notifier_.find (handle, qs_not) == -1)) - return -1; - - qs_not->setEnabled (flag_value); - } - - if (ACE_BIT_ENABLED( mask, ACE_Event_Handler::WRITE_MASK) || - ACE_BIT_ENABLED( mask, ACE_Event_Handler::ACCEPT_MASK) || - ACE_BIT_ENABLED( mask, ACE_Event_Handler::CONNECT_MASK)) - { - qs_not = 0; - if ((this->write_notifier_.find (handle, qs_not) == -1)) - return -1; - - qs_not->setEnabled (flag_value); - } - - if (ACE_BIT_ENABLED( mask, - ACE_Event_Handler::EXCEPT_MASK)) - { - qs_not = 0; - if ((this->exception_notifier_.find (handle, qs_not) == -1)) - return -1; - - qs_not->setEnabled (flag_value); - } - - return 0; -} - -int -ACE_QtReactor::bit_ops (ACE_HANDLE handle, - ACE_Reactor_Mask mask, - ACE_Select_Reactor_Handle_Set &handle_set, - int ops) -{ - int result; - ACE_Select_Reactor_Handle_Set preserved_handle_set = handle_set; - - // Call regular bit_ops - if ((result = ACE_Select_Reactor::bit_ops (handle, mask, handle_set, ops)) == -1) - return -1; - - // disable or enable the notifiers based on handle_set and mask - int enableFlag = -1; - if (&handle_set == &this->suspend_set_) - enableFlag = 0; - else if (&handle_set == &this->wait_set_) - enableFlag = 1; - else - // We have no work to do here, so just return - return result; - - switch (ops) - { - case ACE_Reactor::SET_MASK: - case ACE_Reactor::ADD_MASK: - // Enable or disable notifiers based on the specified masks - if (this->set_enable_flag_by_mask (enableFlag, handle, mask) == -1) - { - // We can't just return -1 here because we'll have half-changed things. - // So, we need to restore the old handle_set, then return -1. - handle_set = preserved_handle_set; - return -1; - } - break; - - case ACE_Reactor::CLR_MASK: - if (this->set_enable_flag_by_mask (!enableFlag, handle, mask) == -1) - { - handle_set = preserved_handle_set; - return -1; - } - break; - - default: - // we take no action for any other operations - break; - } - - return result; -} - -void -ACE_QtReactor::create_notifiers_for_handle (ACE_HANDLE handle) -{ - QSocketNotifier *qsock_notifier = 0; - - // if there is already a read socket notifier for this handle, do nothing - // otherwise create read notifier - if ( ( this->read_notifier_.find (handle, - qsock_notifier) == -1) ) - { - ACE_NEW (qsock_notifier, - QSocketNotifier (int(handle), QSocketNotifier::Read, this)); - this->read_notifier_.bind (handle, - qsock_notifier); - QObject::connect (qsock_notifier, - SIGNAL (activated (int)), - this, - SLOT (read_event (int))) ; - // disable; it will be enabled by the regular register_handler_i if - // necessary - qsock_notifier->setEnabled (0); - } - - qsock_notifier = 0; - - - // if there is already a write socket notifier for this handle, do nothing - // otherwise create read notifier - if ((this->write_notifier_.find (handle, - qsock_notifier) == -1)) - { - ACE_NEW (qsock_notifier, - QSocketNotifier (int(handle), QSocketNotifier::Write, this)); - - this->write_notifier_.bind (handle, - qsock_notifier); - - QObject::connect (qsock_notifier, - SIGNAL (activated (int)), - this, - SLOT (write_event (int))); - // disable; it will be enabled by the regular register_handler_i if - // necessary - qsock_notifier->setEnabled (0); - } - - - qsock_notifier = 0; - - // if there is already a write socket notifier for this handle, do nothing - // otherwise create read notifier - if ((this->exception_notifier_.find (handle, - qsock_notifier) == -1)) - { - - ACE_NEW (qsock_notifier, - QSocketNotifier (int(handle), QSocketNotifier::Exception, this)); - - this->exception_notifier_.bind (handle, - qsock_notifier); - - QObject::connect (qsock_notifier, - SIGNAL (activated (int)), - this, - SLOT (exception_event (int))) ; - // disable; it will be enabled by the regular register_handler_i if - // necessary - qsock_notifier->setEnabled (0); - } -} - -void -ACE_QtReactor::destroy_notifiers_for_handle (ACE_HANDLE handle) -{ - QSocketNotifier *qsock_notifier = 0; - - // Looks for the handle in the maps and removes them. - - if ((this->read_notifier_.find (handle, - qsock_notifier) != -1)) - { - this->read_notifier_.unbind (handle, - qsock_notifier); - delete qsock_notifier; - } - - if ((this->write_notifier_.find (handle, - qsock_notifier) != -1)) - { - this->write_notifier_.unbind (handle, - qsock_notifier); - delete qsock_notifier; - } - - - if ((this->exception_notifier_.find (handle, - qsock_notifier) != -1)) - { - this->exception_notifier_.unbind (handle, - qsock_notifier); - delete qsock_notifier; - } -} - -int -ACE_QtReactor::register_handler_i (ACE_HANDLE handle , - ACE_Event_Handler *handler, - ACE_Reactor_Mask mask) -{ - ACE_TRACE ("ACE_QtReactor::register_handler_i"); - - this->create_notifiers_for_handle (handle); - - int result; - if ((result = ACE_Select_Reactor::register_handler_i(handle, - handler, - mask )) - == -1) - { - // destroy notifiers only when there is no handler for handle - if ( !ACE_Select_Reactor::find_handler( handle ) ) - this->destroy_notifiers_for_handle (handle); - return -1; - } - - return 0; -} - -int -ACE_QtReactor::register_handler_i (const ACE_Handle_Set &handles, - ACE_Event_Handler *handler, - ACE_Reactor_Mask mask) -{ - return ACE_Select_Reactor::register_handler_i(handles, - handler, - mask); -} - -int ACE_QtReactor::remove_handler_i (ACE_HANDLE handle , - ACE_Reactor_Mask mask ) -{ - ACE_TRACE ("ACE_QtReactor::remove_handler_i"); - - int result = ACE_Select_Reactor::remove_handler_i (handle, mask); - // destroy notifiers only when there is no handler for handle - if ( !ACE_Select_Reactor::find_handler( handle ) ) - this->destroy_notifiers_for_handle (handle); - return result; -} - - -int -ACE_QtReactor::remove_handler_i (const ACE_Handle_Set &handles, - ACE_Reactor_Mask mask) -{ - return ACE_Select_Reactor::remove_handler_i (handles, - mask); -} - -// The following functions ensure that there is an Qt timeout for the -// first timeout in the Reactor's Timer_Queue. - -void -ACE_QtReactor::reset_timeout (void) -{ - if (this->qtime_ != 0) - { - delete this->qtime_; - this->qtime_ = 0; - } - - ACE_Time_Value *max_wait_time = - this->timer_queue_->calculate_timeout (0) ; - - if (max_wait_time) - { - ACE_NEW (this->qtime_, - QTimer); - - QObject::connect (qtime_, - SIGNAL (timeout ()), - this, - SLOT (timeout_event ())); - -#if QT_VERSION >= 0x040000 - qtime_->setSingleShot (1); - qtime_->start(max_wait_time->msec()); -#else - qtime_->start(max_wait_time->msec(), 1); -#endif - } - -} - - -long -ACE_QtReactor::schedule_timer (ACE_Event_Handler *handler, - const void *arg, - const ACE_Time_Value &delay_time, - const ACE_Time_Value &interval) -{ - ACE_TRACE ("ACE_QtReactor::schedule_timer"); - ACE_MT (ACE_GUARD_RETURN (ACE_Select_Reactor_Token, - ace_mon, - this->token_, - -1)); - - long result; - if ((result = ACE_Select_Reactor::schedule_timer(handler, - arg, - delay_time, - interval)) == -1 ) - return -1; - else - { - this->reset_timeout (); - return result; - } -} - -int -ACE_QtReactor::cancel_timer (ACE_Event_Handler *handler, - int dont_call_handle_close) -{ - ACE_TRACE ("ACE_QtReactor::cancel_timer"); - - if (ACE_Select_Reactor::cancel_timer (handler, - dont_call_handle_close ) == -1 ) - return -1 ; - else - { - this->reset_timeout( ) ; - return 0 ; - } -} - -int ACE_QtReactor::cancel_timer (long timer_id, - const void **arg, - int dont_call_handle_close ) -{ - ACE_TRACE ("ACE_QtReactor::cancel_timer") ; - - if (ACE_Select_Reactor::cancel_timer (timer_id, - arg, - dont_call_handle_close ) == -1 ) - return -1 ; - else - { - this->reset_timeout( ) ; - return 0 ; - } -} - -// mbrudka: who needs QtWaitForMultipleEvents? It seems it's cargo load now! -int -ACE_QtReactor::QtWaitForMultipleEvents (int width, - ACE_Select_Reactor_Handle_Set &wait_set, - ACE_Time_Value * /*max_wait_time*/) -{ - // Keep a copy of the wait set in case the wait_set be changed - // between the two select calls in this function. It could happen - // while waiting for an event, another event is handled and dispatched - // which changes the dispatch_set_/wait_set. - ACE_Select_Reactor_Handle_Set orig_wait_set = wait_set; - - // Check to make sure our handle's are all usable. - ACE_Select_Reactor_Handle_Set temp_set = wait_set; - - if (ACE_OS::select (width, - temp_set.rd_mask_, - temp_set.wr_mask_, - temp_set.ex_mask_, - (ACE_Time_Value *) &ACE_Time_Value::zero ) == -1) - return -1; // Bad file arguments... - - // Qt processing. -#if QT_VERSION >= 0x040000 - this->qapp_->processEvents(); -#else - this->qapp_->processOneEvent (); -#endif - - // Reset the width, in case it changed during the upcalls. - width = handler_rep_.max_handlep1 (); - - // Now actually read the result needed by the <Select_Reactor> using - // <select>. - return ACE_OS::select(width, - orig_wait_set.rd_mask_, - orig_wait_set.wr_mask_, - orig_wait_set.ex_mask_, - (ACE_Time_Value *) &ACE_Time_Value::zero); -} - -// mbrudka: who needs wait_for_multiple_events? It seems it's cargo load now! -int -ACE_QtReactor::wait_for_multiple_events ( - ACE_Select_Reactor_Handle_Set &handle_set, - ACE_Time_Value *max_wait_time) -{ - ACE_TRACE ("ACE_QtReactor::wait_for_multiple_events"); - - int nfound = 0; - do - { - max_wait_time = this->timer_queue_->calculate_timeout (max_wait_time); - size_t width = this->handler_rep_.max_handlep1 (); - handle_set.rd_mask_ = this->wait_set_.rd_mask_; - handle_set.wr_mask_ = this->wait_set_.wr_mask_; - handle_set.ex_mask_ = this->wait_set_.ex_mask_; - - nfound = QtWaitForMultipleEvents (width, - handle_set, - max_wait_time); - - } while( nfound == -1 && this->handle_error () > 0 ); - - if (nfound > 0) - { -#if !defined (ACE_WIN32) - handle_set.rd_mask_.sync (this->handler_rep_.max_handlep1 ()); - handle_set.wr_mask_.sync (this->handler_rep_.max_handlep1 ()); - handle_set.ex_mask_.sync (this->handler_rep_.max_handlep1 ()); -#endif /* ACE_WIN32 */ - } - - return nfound; - // Timed out or input available -} - -ACE_END_VERSIONED_NAMESPACE_DECL |