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// $Id$
#include "ace/OS_NS_sys_time.h"
#include "ace/Log_Msg.h"
#include "Upcall.h"
#include "PTimerDispatcher.h"
// Listing 2 code/ch20
// The signature of this method changed at ACE 5.4. The 'recurring_timer'
// parameter was added.
int
UpcallHandler::timeout (PTimerQueue &,
PCB *handler,
const void *arg,
int /* recurring_timer */,
const ACE_Time_Value &)
{
ACE_TRACE ("UpcallHandler::timeout");
return (*handler).handleEvent (arg);
}
#if 0
// This method was removed at ACE 5.4. Replaced by cancel_type() and
// cancel_timer().
int
UpcallHandler::cancellation (PTimerQueue &,
PCB *handler)
{
ACE_TRACE ("UpcallHandler::cancellation");
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("Handler %d has been cancelled\n"),
handler->getID ()));
return handler->handleCancel ();
}
#endif /* 0 */
// This method is called when the timer is canceled
int
UpcallHandler::deletion (PTimerQueue &,
PCB *handler,
const void *)
{
ACE_TRACE ("UpcallHandler::deletion");
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("Handler %d has been deleted\n"),
handler->getID ()));
return handler->handleClose ();
}
// Listing 2
// *** The rest of the UpcallHandler methods were added for ACE 5.4 ***
// This method is called when a timer is registered.
int
UpcallHandler::registration (PTimerQueue &,
PCB *handler,
const void *)
{
ACE_TRACE ("UpcallHandler::registration");
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("Handler %d has been registered.\n"),
handler->getID ()));
return 0;
}
// This method is called at expiration time, before the actual upcall
// to the handler is made. ACE uses this to adjust reference counts
// when needed.
int
UpcallHandler::preinvoke (PTimerQueue &,
PCB *handler,
const void *,
int,
const ACE_Time_Value &,
const void *&)
{
ACE_TRACE ("UpcallHandler::preinvoke");
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("Handler %d is about to upcalled.\n"),
handler->getID ()));
return 0;
}
// This method is called at expiration time, after the actual upcall
// to the handler returns. ACE uses this to adjust reference counts
// when needed.
int
UpcallHandler::postinvoke (PTimerQueue &,
PCB *handler,
const void *,
int,
const ACE_Time_Value &,
const void *)
{
ACE_TRACE ("UpcallHandler::postinvoke");
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("Handler %d returned from upcall.\n"),
handler->getID ()));
return 0;
}
// This method is called when a handler is cancelled
int
UpcallHandler::cancel_type (PTimerQueue &,
PCB *handler,
int dont_call,
int &)
{
ACE_TRACE ("UpcallHandler::cancel_type");
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("Handler %d has been cancelled\n"),
handler->getID ()));
if (!dont_call)
return handler->handleCancel ();
return 0;
}
// This method is called when a timer is cancelled
int
UpcallHandler::cancel_timer (PTimerQueue &,
PCB *handler,
int dont_call,
int)
{
ACE_TRACE ("UpcallHandler::cancel_timer");
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("Handler %d has been cancelled\n"),
handler->getID ()));
if (!dont_call)
return handler->handleCancel ();
return 0;
}
// Listing 3 code/ch20
int ACE_TMAIN (int, ACE_TCHAR *[])
{
PCB cb1, cb2;
cb1.setID (1);
cb2.setID (2);
int arg1 = 1, arg2 = 2;
PTimerQueue *timerQueue;
ACE_NEW_RETURN (timerQueue, PTimerHeap (), -1);
PTimer::instance ()->set (timerQueue);
ACE_Time_Value tv = ACE_OS::gettimeofday ();
tv += 20L;
// Schedule two different timers to go off.
PTimer::instance ()->schedule (&cb1, &arg1, tv, ACE_Time_Value (1));
PTimer::instance ()->schedule (&cb2, &arg2, tv, ACE_Time_Value (2));
// Run the timer event loop forever.
PTimer::instance ()->wait_for_event ();
return 0;
}
// Listing 3
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