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// $Id$
// ============================================================================
//
// = LIBRARY
// examples
//
// = FILENAME
// test_multiple_loops.cpp
//
// = DESCRIPTION
//
// This example application shows how to write programs that
// combine the Proactor and Reactor event loops. This is possible
// only on WIN32 platform.
//
// = AUTHOR
// Irfan Pyarali
//
// ============================================================================
#include "ace/Task.h"
#include "ace/Proactor.h"
#include "ace/WIN32_Proactor.h"
#include "ace/Atomic_Op.h"
#include "ace/OS_NS_unistd.h"
ACE_RCSID(Proactor, test_multiple_loops, "$Id$")
#if (defined (ACE_WIN32) && !defined (ACE_HAS_WINCE))
class Timeout_Handler : public ACE_Handler, public ACE_Event_Handler
{
// = TITLE
// Generic timeout handler.
public:
Timeout_Handler (void)
{
}
// This is called by the Proactor. This is declared in ACE_Handler.
virtual void handle_time_out (const ACE_Time_Value &tv,
const void *arg)
{
// Print out when timeouts occur.
ACE_DEBUG ((LM_DEBUG, "(%t) %d timeout occurred for %s @ %d.\n",
++count_,
(char *) arg,
tv.sec ()));
// Since there is only one thread that can do the timeouts in
// Reactor, lets keep the handle_timeout short for that
// thread.
if (ACE_OS::strcmp ((char *) arg, "Proactor") == 0)
// Sleep for a while
ACE_OS::sleep (1);
}
// This method is declared in ACE_Event_Handler.
virtual int handle_timeout (const ACE_Time_Value &tv,
const void *arg)
{
this->handle_time_out (tv, arg);
return 0;
}
private:
ACE_Atomic_Op <ACE_Thread_Mutex, int> count_;
};
class Worker : public ACE_Task <ACE_NULL_SYNCH>
{
public:
// Thread fuction.
int svc (void)
{
ACE_DEBUG ((LM_DEBUG, "(%t) Worker started\n"));
// Handle events for 13 seconds.
ACE_Time_Value run_time (13);
// Try to become the owner
ACE_Reactor::instance ()->owner (ACE_Thread::self ());
if (ACE_Reactor::run_event_loop (run_time) == -1)
ACE_ERROR_RETURN ((LM_ERROR, "%p.\n", "Worker::svc"), -1);
else
ACE_DEBUG ((LM_DEBUG, "(%t) work complete\n"));
return 0;
}
};
int
ACE_TMAIN (int, ACE_TCHAR *[])
{
Timeout_Handler handler;
ACE_WIN32_Proactor win32_proactor (0, 1);
ACE_Proactor proactor (&win32_proactor, 0, 0);
ACE_Reactor::instance ()->register_handler (proactor.implementation ());
// Register a 2 second timer.
ACE_Time_Value foo_tv (2);
if (proactor.schedule_timer (handler,
(void *) "Proactor",
ACE_Time_Value::zero,
foo_tv) == -1)
ACE_ERROR_RETURN ((LM_ERROR, "%p\n", "schedule_timer"), -1);
// Register a 3 second timer.
ACE_Time_Value bar_tv (3);
if (ACE_Reactor::instance ()->schedule_timer (&handler,
(void *) "Reactor",
ACE_Time_Value::zero,
bar_tv) == -1)
ACE_ERROR_RETURN ((LM_ERROR, "%p\n", "schedule_timer"), -1);
Worker worker;
if (worker.activate (THR_NEW_LWP, 10) == -1)
ACE_ERROR_RETURN ((LM_ERROR, "%p.\n", "main"), -1);
ACE_Thread_Manager::instance ()->wait ();
// Remove from reactor
ACE_Reactor::instance ()->remove_handler (&proactor,
ACE_Event_Handler::DONT_CALL);
return 0;
}
#else
int
main (int, char *[])
{
return 0;
}
#endif /* ACE_WIN32 && !ACE_HAS_WINCE */
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