diff options
Diffstat (limited to 'ace/XtReactor.cpp')
| -rw-r--r-- | ace/XtReactor.cpp | 451 |
1 files changed, 0 insertions, 451 deletions
diff --git a/ace/XtReactor.cpp b/ace/XtReactor.cpp deleted file mode 100644 index 1521681063d..00000000000 --- a/ace/XtReactor.cpp +++ /dev/null @@ -1,451 +0,0 @@ -// $Id$ - -#define ACE_BUILD_DLL -#include "ace/Synch_T.h" -#include "ace/SOCK_Acceptor.h" -#include "ace/SOCK_Connector.h" -#include "ace/XtReactor.h" - -ACE_RCSID(ace, XtReactor, "$Id$") - -#if defined (ACE_HAS_XT) - -ACE_ALLOC_HOOK_DEFINE (ACE_XtReactor) - -// Must be called with lock held -ACE_XtReactor::ACE_XtReactor (XtAppContext context, - size_t size, - int restart, - ACE_Sig_Handler *h) - : ACE_Select_Reactor (size, restart, h), - context_ (context), - ids_ (0), - timeout_ (0) -{ - // When the ACE_Select_Reactor is constructed it creates the notify - // pipe and registers it with the register_handler_i() method. The - // XtReactor 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 XtReactor register_handler_i(). This means - // that the notify pipe is registered with the ACE_Select_Reactor - // event handling code not the XtReactor and so notfications don't - // work. To get around this we simply close and re-opened the - // notification handler in the constructor of the XtReactor. - -#if defined (ACE_MT_SAFE) && (ACE_MT_SAFE != 0) - this->notify_handler_->close (); - this->notify_handler_->open (this, 0); -#endif /* ACE_MT_SAFE */ -} - -ACE_XtReactor::~ACE_XtReactor (void) -{ - // Delete the remaining items in the linked list. - - while (this->ids_) - { - ACE_XtReactorID *XtID = this->ids_->next_; - delete this->ids_; - this->ids_ = XtID; - } -} - -// This is just the <wait_for_multiple_events> from ace/Reactor.cpp -// but we use the Xt functions to wait for an event, not <select> - -int -ACE_XtReactor::wait_for_multiple_events (ACE_Select_Reactor_Handle_Set &handle_set, - ACE_Time_Value *max_wait_time) -{ - ACE_TRACE ("ACE_XtReactor::wait_for_multiple_events"); - int nfound; - - 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 = XtWaitForMultipleEvents (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 -} - -void -ACE_XtReactor::TimerCallbackProc (XtPointer closure, XtIntervalId *id) -{ - ACE_XtReactor *self = (ACE_XtReactor *) closure; - self->timeout_ = 0; - - // Deal with any timer events - ACE_Select_Reactor_Handle_Set handle_set; - self->dispatch (0, handle_set); - self->reset_timeout (); -} - -// This could be made shorter if we know which *kind* of event we were -// about to get. Here we use <select> to find out which one might be -// available. - -void -ACE_XtReactor::InputCallbackProc (XtPointer closure, - int *source, - XtInputId *) -{ - ACE_XtReactor *self = (ACE_XtReactor *) closure; - ACE_HANDLE handle = (ACE_HANDLE) *source; - - // my copy isn't const. - ACE_Time_Value zero = ACE_Time_Value::zero; - - ACE_Select_Reactor_Handle_Set wait_set; - - // Deal with one file event. - - // - read which kind of event - if (self->wait_set_.rd_mask_.is_set (handle)) - wait_set.rd_mask_.set_bit (handle); - if (self->wait_set_.wr_mask_.is_set (handle)) - wait_set.wr_mask_.set_bit (handle); - if (self->wait_set_.ex_mask_.is_set (handle)) - wait_set.ex_mask_.set_bit (handle); - - int result = ACE_OS::select (*source + 1, - wait_set.rd_mask_, - wait_set.wr_mask_, - wait_set.ex_mask_, &zero); - - ACE_Select_Reactor_Handle_Set dispatch_set; - - // - Use only that one file event (removes events for other files). - if (result > 0) - { - if (wait_set.rd_mask_.is_set (handle)) - dispatch_set.rd_mask_.set_bit (handle); - if (wait_set.wr_mask_.is_set (handle)) - dispatch_set.wr_mask_.set_bit (handle); - if (wait_set.ex_mask_.is_set (handle)) - dispatch_set.ex_mask_.set_bit (handle); - - self->dispatch (1, dispatch_set); - } -} - -int -ACE_XtReactor::XtWaitForMultipleEvents (int width, - ACE_Select_Reactor_Handle_Set &wait_set, - ACE_Time_Value *) -{ - // Make sure we have a valid context - ACE_ASSERT (this->context_ != 0); - - // 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... - - // Instead of waiting using <select>, just use the Xt mechanism to - // wait for a single event. - - // Wait for something to happen. - ::XtAppProcessEvent (this->context_, XtIMAll); - - // Reset the width, in case it changed during the upcalls. - width = this->handler_rep_.max_handlep1 (); - - // Now actually read the result needed by the <Select_Reactor> using - // <select>. - return ACE_OS::select (width, - wait_set.rd_mask_, - wait_set.wr_mask_, - wait_set.ex_mask_, - (ACE_Time_Value *) &ACE_Time_Value::zero); -} - -XtAppContext -ACE_XtReactor::context (void) const -{ - return this->context_; -} - -void -ACE_XtReactor::context (XtAppContext context) -{ - this->context_ = context; -} - -int -ACE_XtReactor::register_handler_i (ACE_HANDLE handle, - ACE_Event_Handler *handler, - ACE_Reactor_Mask mask) -{ - ACE_TRACE ("ACE_XtReactor::register_handler_i"); - - // Make sure we have a valid context - ACE_ASSERT (this->context_ != 0); - - int result = ACE_Select_Reactor::register_handler_i (handle, - handler, mask); - if (result == -1) - return -1; - - int condition = 0; - -#if !defined ACE_WIN32 - if (ACE_BIT_ENABLED (mask, ACE_Event_Handler::READ_MASK)) - ACE_SET_BITS (condition, XtInputReadMask); - if (ACE_BIT_ENABLED (mask, ACE_Event_Handler::WRITE_MASK)) - ACE_SET_BITS (condition, XtInputWriteMask); - if (ACE_BIT_ENABLED (mask, ACE_Event_Handler::EXCEPT_MASK)) - ACE_SET_BITS (condition, XtInputExceptMask); - if (ACE_BIT_ENABLED (mask, ACE_Event_Handler::ACCEPT_MASK)) - ACE_SET_BITS (condition, XtInputReadMask); - if (ACE_BIT_ENABLED (mask, ACE_Event_Handler::CONNECT_MASK)){ - ACE_SET_BITS (condition, XtInputWriteMask); // connected, you may write - ACE_SET_BITS (condition, XtInputReadMask); // connected, you have data/err - } -#else - if (ACE_BIT_ENABLED (mask, ACE_Event_Handler::READ_MASK)) - ACE_SET_BITS (condition, XtInputReadWinsock); - if (ACE_BIT_ENABLED (mask, ACE_Event_Handler::WRITE_MASK)) - ACE_SET_BITS (condition, XtInputWriteWinsock); - if (ACE_BIT_ENABLED (mask, ACE_Event_Handler::EXCEPT_MASK)) - ACE_NOTSUP_RETURN(-1); - if (ACE_BIT_ENABLED (mask, ACE_Event_Handler::ACCEPT_MASK)) - ACE_SET_BITS (condition, XtInputReadWinsock); - if (ACE_BIT_ENABLED (mask, ACE_Event_Handler::CONNECT_MASK)){ - ACE_SET_BITS (condition, XtInputWriteWinsock); // connected, you may write - ACE_SET_BITS (condition, XtInputReadWinsock); // connected, you have data/err - } -#endif /* !ACE_WIN32 */ - - if (condition != 0) - { - ACE_XtReactorID *XtID = this->ids_; - - while(XtID) - { - if (XtID->handle_ == handle) - { - ::XtRemoveInput (XtID->id_); - - XtID->id_ = ::XtAppAddInput (this->context_, - (int) handle, - (XtPointer) condition, - InputCallbackProc, - (XtPointer) this); - return 0; - } - else - XtID = XtID->next_; - } - - ACE_NEW_RETURN (XtID, - ACE_XtReactorID, - -1); - XtID->next_ = this->ids_; - XtID->handle_ = handle; - XtID->id_ = ::XtAppAddInput (this->context_, - (int) handle, - (XtPointer) condition, - InputCallbackProc, - (XtPointer) this); - this->ids_ = XtID; - } - return 0; -} - -int -ACE_XtReactor::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_XtReactor::remove_handler_i (ACE_HANDLE handle, - ACE_Reactor_Mask mask) -{ - ACE_TRACE ("ACE_XtReactor::remove_handler_i"); - - // In the registration phase we registered first with - // ACE_Select_Reactor and then with X. Now we are now doing things - // in reverse order. - - // First clean up the corresponding X11Input. - this->remove_XtInput (handle); - - // Now let the reactor do its work. - return ACE_Select_Reactor::remove_handler_i (handle, - mask); -} - -void -ACE_XtReactor::remove_XtInput (ACE_HANDLE handle) -{ - ACE_TRACE ("ACE_XtReactor::remove_XtInput"); - - ACE_XtReactorID *XtID = this->ids_; - - if (XtID) - { - if (XtID->handle_ == handle) - { - ::XtRemoveInput (XtID->id_); - this->ids_ = XtID->next_; - delete XtID; - return; - } - - ACE_XtReactorID *NextID = XtID->next_; - - while (NextID) - { - if (NextID->handle_ == handle) - { - ::XtRemoveInput(NextID->id_); - XtID->next_ = NextID->next_; - delete NextID; - return; - } - else - { - XtID = NextID; - NextID = NextID->next_; - } - } - } -} - -int -ACE_XtReactor::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 Xt timeout for the -// first timeout in the Reactor's Timer_Queue. - -void -ACE_XtReactor::reset_timeout (void) -{ - // Make sure we have a valid context - ACE_ASSERT (this->context_ != 0); - - if (timeout_) - ::XtRemoveTimeOut (timeout_); - timeout_ = 0; - - ACE_Time_Value *max_wait_time = - this->timer_queue_->calculate_timeout (0); - - if (max_wait_time) - timeout_ = ::XtAppAddTimeOut (this->context_, - max_wait_time->msec (), - TimerCallbackProc, - (XtPointer) this); -} - -int -ACE_XtReactor::reset_timer_interval - (long timer_id, - const ACE_Time_Value &interval) -{ - ACE_TRACE ("ACE_XtReactor::reset_timer_interval"); - ACE_MT (ACE_GUARD_RETURN (ACE_Select_Reactor_Token, ace_mon, this->token_, -1)); - - int result = ACE_Select_Reactor::timer_queue_->reset_interval - (timer_id, - interval); - - if (result == -1) - return -1; - else - { - this->reset_timeout (); - return result; - } -} - -long -ACE_XtReactor::schedule_timer (ACE_Event_Handler *handler, - const void *arg, - const ACE_Time_Value &delta_time, - const ACE_Time_Value &interval) -{ - ACE_TRACE ("ACE_XtReactor::schedule_timer"); - ACE_MT (ACE_GUARD_RETURN (ACE_Select_Reactor_Token, ace_mon, this->token_, -1)); - - long result = ACE_Select_Reactor::schedule_timer (handler, - arg, - delta_time, - interval); - if (result == -1) - return -1; - else - { - this->reset_timeout (); - return result; - } -} - -int -ACE_XtReactor::cancel_timer (ACE_Event_Handler *handler, - int dont_call_handle_close) -{ - ACE_TRACE ("ACE_XtReactor::cancel_timer"); - - if (ACE_Select_Reactor::cancel_timer (handler, - dont_call_handle_close) == -1) - return -1; - else - { - this->reset_timeout (); - return 0; - } -} - -int -ACE_XtReactor::cancel_timer (long timer_id, - const void **arg, - int dont_call_handle_close) -{ - ACE_TRACE ("ACE_XtReactor::cancel_timer"); - - if (ACE_Select_Reactor::cancel_timer (timer_id, - arg, - dont_call_handle_close) == -1) - return -1; - else - { - this->reset_timeout (); - return 0; - } -} - -#endif /* ACE_HAS_XT */ |