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// $Id$

// ============================================================================
//
// = LIBRARY
//    tests
// 
// = FILENAME
//    Reactor_Timer_Test.cpp
//
// = DESCRIPTION
//      This is a simple test that illustrates the timer mechanism of
//      the reactor. Scheduling timers, handling expired timers and
//      cancelling scheduled timers are all tested in this test. No
//      command line arguments are needed to run the test.
//
// = AUTHOR
//    Prashant Jain and Doug C. Schmidt
// 
// ============================================================================


#include "ace/Timer_Queue.h"
#include "ace/Reactor.h"
#include "test_config.h"

static int done = 0;
static int count = 0;
static int odd = 0;

class Time_Handler : public ACE_Event_Handler
{
public:
  virtual int handle_timeout (const ACE_Time_Value &tv,
                              const void *arg)
    {
      int current_count = int (arg);
      ACE_ASSERT (current_count == count);

      ACE_DEBUG ((LM_DEBUG, "%d: Timer #%d timed out at %d!\n",
		  count, current_count, tv.sec ()));

      count += (1 + odd);

      if (current_count == ACE_MAX_TIMERS - 1)
	done = 1;

      return 0;
    }
};

int
main (int, char *[])
{
  ACE_START_TEST ("Reactor_Timer_Test");

  ACE_Reactor reactor;

  Time_Handler rt[ACE_MAX_TIMERS];
  int t_id[ACE_MAX_TIMERS];
  int i;
  
  for (i = 0; i < ACE_MAX_TIMERS; i++)
    t_id[i] = reactor.schedule_timer (&rt[i], 
				      (const void *) i, 
				      ACE_Time_Value (2 * i + 1));
  while (!done)
    reactor.handle_events ();
  
  done = 0;
  count = 0;
  
  // Now try multiple timers for ONE event handler (should produce the
  // same result).
  for (i = 0; i < ACE_MAX_TIMERS; i++)
    t_id[i] = reactor.schedule_timer (&rt[0],
				      (const void *) i, 
				      ACE_Time_Value (2 * i + 1));

  while (!done)
    reactor.handle_events ();
  
  done = 0;
  count = 1;
  odd = 1;

  for (i = 0; i < ACE_MAX_TIMERS; i++)
    {
      t_id[i] = reactor.schedule_timer (&rt[0], 
					(const void *) i, 
					ACE_Time_Value (2 * i + 1));

      // Cancel even numbered timers.
      if (ACE_EVEN (i))
	reactor.cancel_timer (t_id[i]);
    }

  while (!done)
    reactor.handle_events ();

  ACE_END_TEST;
  return 0;
}