int
ACE_Event_Handler_Handle_Timeout_Upcall::
timeout (ACE_Timer_Queue &timer_queue,
ACE_Event_Handler *event_handler,
const void *act,
int recurring_timer,
const ACE_Time_Value &cur_time)
{
int requires_reference_counting = 0;
if (!recurring_timer)
{
requires_reference_counting =
event_handler->reference_counting_policy ().value () ==
ACE_Event_Handler::Reference_Counting_Policy::ENABLED;
}
// Upcall to the <handler>s handle_timeout method.
if (event_handler->handle_timeout (cur_time, act) == -1)
{
if (event_handler->reactor_timer_interface ())
event_handler->reactor_timer_interface ()->cancel_timer (event_handler, 0);
else
timer_queue.cancel (event_handler, 0); // 0 means "call handle_close()".
}
if (!recurring_timer &&
requires_reference_counting)
{
event_handler->remove_reference ();
}
return 0;
}
void
expire (ACE_Timer_Queue &timer_queue,
Expire_Function expire_function)
{
int events = 0;
int result = 0;
Reference_Counted_Event_Handler *handler =
new Reference_Counted_Event_Handler (1);
ACE_Event_Handler_var safe_handler (handler);
long timer_id =
timer_queue.schedule (handler,
one_second_timeout,
ACE_Time_Value (1) + timer_queue.gettimeofday (),
ACE_Time_Value (1));
ACE_ASSERT (timer_id != -1);
result =
timer_queue.schedule (handler,
two_second_timeout,
ACE_Time_Value (2) + timer_queue.gettimeofday ());
ACE_ASSERT (result != -1);
events += 4;
for (int i = 0; i < events;)
{
WAIT_FOR_NEXT_EVENT (timer_queue);
result =
expire_function (timer_queue);
ACE_ASSERT (result >= 0);
i += result;
}
timer_queue.cancel (timer_id, 0, 0);
}
void
simple (ACE_Timer_Queue &timer_queue)
{
int events = 0;
int result = 0;
long timer_id = -1;
{
Simple_Event_Handler *handler =
new Simple_Event_Handler;
timer_id =
timer_queue.schedule (handler,
one_second_timeout,
ACE_Time_Value (1) + timer_queue.gettimeofday (),
ACE_Time_Value (1));
ACE_ASSERT (timer_id != -1);
result =
timer_queue.cancel (timer_id,
0,
0);
ACE_ASSERT (result == 1);
}
{
Simple_Event_Handler *handler =
new Simple_Event_Handler;
timer_id =
timer_queue.schedule (handler,
one_second_timeout,
ACE_Time_Value (1) + timer_queue.gettimeofday (),
ACE_Time_Value (1));
ACE_ASSERT (timer_id != -1);
events += 3;
}
for (int i = 0; i < events;)
{
WAIT_FOR_NEXT_EVENT (timer_queue);
result =
timer_queue.expire ();
ACE_ASSERT (result >= 0);
i += result;
}
timer_queue.cancel (timer_id, 0, 0);
}
int
invoke_one_upcall (ACE_Timer_Queue &timer_queue)
{
// Get the current time
ACE_Time_Value current_time (timer_queue.gettimeofday () +
timer_queue.timer_skew ());
// Look for a node in the timer queue whose timer <= the present
// time.
ACE_Timer_Node_Dispatch_Info dispatch_info;
if (timer_queue.dispatch_info (current_time,
dispatch_info))
{
const void *upcall_act = 0;
// Preinvoke.
timer_queue.preinvoke (dispatch_info,
current_time,
upcall_act);
// Call the functor
timer_queue.upcall (dispatch_info,
current_time);
// Postinvoke
timer_queue.postinvoke (dispatch_info,
current_time,
upcall_act);
// We have dispatched a timer
return 1;
}
return 0;
}
bool
LiveCheck::schedule_ping (LiveEntry *entry)
{
if (!this->running_)
return false;
LiveStatus status = entry->status();
if (status == LS_PING_AWAY || status == LS_DEAD)
{
return status != LS_DEAD;
}
ACE_Time_Value now (ACE_High_Res_Timer::gettimeofday_hr());
ACE_Time_Value next = entry->next_check ();
if (this->handle_timeout_busy_ > 0)
{
ACE_Time_Value delay = ACE_Time_Value::zero;
if (next > now)
{
delay = next - now;
}
ACE_Timer_Queue *tq = this->reactor ()->timer_queue ();
if (!tq->is_empty ())
{
for (ACE_Timer_Queue_Iterator_T<ACE_Event_Handler*> &i = tq->iter ();
!i.isdone (); i.next())
{
if (i.item ()->get_type () == this)
{
if (next >= tq->earliest_time ())
{
if (ImR_Locator_i::debug () > 2)
{
ORBSVCS_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) LiveCheck::schedule_ping ")
ACE_TEXT ("already scheduled\n")));
}
return true;
}
break;
}
}
}
++this->token_;
if (ImR_Locator_i::debug () > 2)
{
ORBSVCS_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) LiveCheck::schedule_ping (%d),")
ACE_TEXT (" delay = %d,%d\n"),
this->token_, delay.sec(), delay.usec()));
}
this->reactor()->schedule_timer (this,
reinterpret_cast<void *>(this->token_),
delay);
}
else
{
if (ImR_Locator_i::debug () > 2)
{
ORBSVCS_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P|%t) LiveCheck::schedule_ping deferred")));
}
if (!this->want_timeout_ || next < this->deferred_timeout_)
{
this->want_timeout_ = true;
this->deferred_timeout_ = next;
}
}
return true;
}
int
invoke_expire (ACE_Timer_Queue &timer_queue)
{
return timer_queue.expire ();
}
void
cancellation (ACE_Timer_Queue &timer_queue,
int repeat_timer,
int cancel_handler,
int second_timer,
int dont_call_handle_close)
{
int result = 0;
int expected_number_of_handle_close_calls = -1;
if (!dont_call_handle_close)
{
if (cancel_handler)
expected_number_of_handle_close_calls = 1;
else if (second_timer)
expected_number_of_handle_close_calls = 2;
else
expected_number_of_handle_close_calls = 1;
}
Reference_Counted_Event_Handler *handler =
new Reference_Counted_Event_Handler (expected_number_of_handle_close_calls);
ACE_Event_Handler_var safe_handler (handler);
long first_timer_id = -1;
long second_timer_id = -1;
if (repeat_timer)
{
first_timer_id =
timer_queue.schedule (handler,
one_second_timeout,
ACE_Time_Value (1) + timer_queue.gettimeofday (),
ACE_Time_Value (1));
ACE_ASSERT (first_timer_id != -1);
}
else
{
first_timer_id =
timer_queue.schedule (handler,
one_second_timeout,
ACE_Time_Value (1) + timer_queue.gettimeofday ());
ACE_ASSERT (first_timer_id != -1);
}
if (second_timer)
{
second_timer_id =
timer_queue.schedule (handler,
two_second_timeout,
ACE_Time_Value (2) + timer_queue.gettimeofday (),
ACE_Time_Value (2));
ACE_ASSERT (second_timer_id != -1);
}
if (cancel_handler)
{
result =
timer_queue.cancel (handler,
dont_call_handle_close);
if (second_timer)
ACE_ASSERT (result == 2);
else
ACE_ASSERT (result == 1);
}
else
{
result =
timer_queue.cancel (first_timer_id,
0,
dont_call_handle_close);
ACE_ASSERT (result == 1);
if (second_timer)
{
result =
timer_queue.cancel (second_timer_id,
0,
dont_call_handle_close);
ACE_ASSERT (result == 1);
}
}
}
