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-rw-r--r--tests/Reactor_Notify_Test.cpp404
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diff --git a/tests/Reactor_Notify_Test.cpp b/tests/Reactor_Notify_Test.cpp
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-// $Id$
-
-// ============================================================================
-//
-// = LIBRARY
-// tests
-//
-// = FILENAME
-// Reactor_Notify_Test.cpp
-//
-// = DESCRIPTION
-// This is a test that illustrates how the <ACE_Reactor>'s <notify>
-// method works under various <max_notify_iterations> settings.
-// It also tests that the <disable_notify_pipe> option works
-// correctly. Moreover, if the $ACE_ROOT/ace/config.h file has
-// the ACE_HAS_REACTOR_NOTIFICATION_QUEUE option enabled this
-// test will also exercise this feature.
-//
-// = AUTHOR
-// Douglas C. Schmidt <schmidt@cs.wustl.edu>
-//
-// ============================================================================
-
-#include "test_config.h"
-#include "ace/Synch.h"
-#include "ace/Task.h"
-#include "ace/Pipe.h"
-#include "ace/Auto_Ptr.h"
-#include "ace/Select_Reactor.h"
-
-ACE_RCSID(tests, Reactor_Notify_Test, "$Id$")
-
-#if defined(__BORLANDC__) && __BORLANDC__ >= 0x0530
-USELIB("..\ace\aced.lib");
-//---------------------------------------------------------------------------
-#endif /* defined(__BORLANDC__) && __BORLANDC__ >= 0x0530 */
-
-#if defined (ACE_HAS_THREADS)
-
-static const int LONG_TIMEOUT = 10;
-static const int SHORT_TIMEOUT = 2;
-
-class Supplier_Task : public ACE_Task<ACE_MT_SYNCH>
-{
-public:
- Supplier_Task (int disable_notify_pipe,
- const ACE_Time_Value &tv);
- // Constructor.
-
- ~Supplier_Task (void);
- // Destructor.
-
- virtual int open (void * = 0);
- // Make this an Active Object.
-
- virtual int close (u_long);
- // Close down the supplier.
-
- virtual int svc (void);
- // Generates events and sends them to the <Reactor>'s <notify>
- // method.
-
- virtual int handle_exception (ACE_HANDLE);
- // Releases the <waiter_> semaphore when called by the <Reactor>'s
- // notify handler.
-
- virtual int handle_output (ACE_HANDLE);
- // Called every time through the main <ACE_Reactor> event loop to
- // illustrate the difference between "limited" and "unlimited"
- // notification.
-
- void release (void);
- // Release the <waiter_>.
-
-private:
- int perform_notifications (int notifications);
- // Perform the notifications.
-
- ACE_Thread_Semaphore waiter_;
- // Used to hand-shake between the <Supplier_Task> and the
- // <Reactor>'s notify mechanism.
-
- ACE_Pipe pipe_;
- // We use this pipe just to get a handle that is always "active,"
- // i.e., the <ACE_Reactor> will always dispatch its <handle_output>
- // method.
-
- int disable_notify_pipe_;
- // Keeps track of whether the notification pipe in the <ACE_Reactor>
- // has been diabled or not.
-
- int long_timeout_;
- // Keeps track of whether we're running with a <LONG_TIMEOUT>, which
- // is used for the ACE_HAS_REACTOR_NOTIFICATION_QUEUE portion of
- // this test.
-};
-
-void
-Supplier_Task::release (void)
-{
- this->waiter_.release ();
-}
-
-Supplier_Task::Supplier_Task (int disable_notify_pipe,
- const ACE_Time_Value &tv)
- : waiter_ (0), // Make semaphore "locked" by default.
- disable_notify_pipe_ (disable_notify_pipe),
- long_timeout_ (tv.sec () == LONG_TIMEOUT)
-{
-}
-
-int
-Supplier_Task::open (void *)
-{
- // Create the pipe.
- int result;
-
- result = this->pipe_.open ();
- ACE_ASSERT (result != -1);
-
- // Register the pipe's write handle with the <Reactor> for writing.
- // This should mean that it's always "active."
- if (long_timeout_ == 0)
- {
- result = ACE_Reactor::instance ()->register_handler
- (this->pipe_.write_handle (),
- this,
- ACE_Event_Handler::WRITE_MASK);
- ACE_ASSERT (result != -1);
- }
-
- // Make this an Active Object.
- result = this->activate (THR_BOUND | THR_DETACHED);
- ACE_ASSERT (result != -1);
- return 0;
-}
-
-int
-Supplier_Task::close (u_long)
-{
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) Supplier_Task::close\n")));
-
- int result;
-
- if (long_timeout_ == 0)
- {
- result = ACE_Reactor::instance ()->remove_handler
- (this->pipe_.write_handle (),
- ACE_Event_Handler::WRITE_MASK);
- ACE_ASSERT (result != -1);
- }
- else
- {
- // Wait to be told to shutdown by the main thread.
-
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) waiting to be shutdown by main thread\n")));
- result = this->waiter_.acquire ();
- ACE_ASSERT (result != -1);
- }
- return 0;
-}
-
-Supplier_Task::~Supplier_Task (void)
-{
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) ~Supplier_Task\n")));
- this->pipe_.close ();
-}
-
-int
-Supplier_Task::perform_notifications (int notifications)
-{
- ACE_Reactor::instance ()->max_notify_iterations (notifications);
-
- size_t iterations = ACE_MAX_ITERATIONS;
-
- if (this->long_timeout_)
- iterations *= (iterations * iterations * 2);
-
- for (size_t i = 0; i < iterations; i++)
- {
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) notifying reactor on iteration %d\n"),
- i));
-
- int result;
-
- // Notify the Reactor, which will call <handle_exception>.
- result = ACE_Reactor::instance ()->notify (this);
- if (result == -1)
- {
- if (errno == ETIME)
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) %p\n"),
- ASYS_TEXT ("notify")));
- else
- ACE_ASSERT (result != -1);
- }
-
- // Wait for our <handle_exception> method to release the
- // semaphore.
- if (this->long_timeout_ == 0
- && this->disable_notify_pipe_ == 0)
- {
- result = this->waiter_.acquire ();
- ACE_ASSERT (result != -1);
- }
- }
-
- return 0;
-}
-
-int
-Supplier_Task::svc (void)
-{
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) **** starting unlimited notifications test\n")));
-
- // Allow an unlimited number of iterations per
- // <ACE_Reactor::notify>.
- this->perform_notifications (-1);
-
- if (this->long_timeout_ == 0)
- {
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) **** starting limited notifications test\n")));
-
- // Only allow 1 iteration per <ACE_Reactor::notify>
- this->perform_notifications (1);
-
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) **** exiting thread test\n")));
- }
- return 0;
-}
-
-int
-Supplier_Task::handle_exception (ACE_HANDLE handle)
-{
- ACE_ASSERT (handle == ACE_INVALID_HANDLE);
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) handle_exception\n")));
-
- this->waiter_.release ();
- return 0;
-}
-
-int
-Supplier_Task::handle_output (ACE_HANDLE handle)
-{
- ACE_ASSERT (handle == this->pipe_.write_handle ());
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) handle_output\n")));
-
- // This function is called by the main thread, believe it or not :-)
- // That's because the pipe's write handle is always active. Thus,
- // we can give the <Supplier_Task> a chance to run in its own
- // thread.
- ACE_OS::thr_yield ();
-
- return 0;
-}
-
-static int
-run_test (int disable_notify_pipe,
- const ACE_Time_Value &tv)
-{
- // Create special reactors with the appropriate flags enabled.
-
- ACE_Select_Reactor *reactor_impl = 0;
- if (disable_notify_pipe)
- ACE_NEW_RETURN (reactor_impl,
- ACE_Select_Reactor (0, 0, 1),
- -1);
- else
- ACE_NEW_RETURN (reactor_impl,
- ACE_Select_Reactor,
- -1);
-
- ACE_Reactor *reactor;
- ACE_NEW_RETURN (reactor,
- ACE_Reactor (reactor_impl),
- -1);
-
- // Make sure this stuff gets cleaned up when this function exits.
- auto_ptr<ACE_Reactor> r (reactor);
- auto_ptr<ACE_Select_Reactor> ri (reactor_impl);
-
- // Set the Singleton Reactor.
- ACE_Reactor::instance (reactor);
- ACE_ASSERT (ACE_LOG_MSG->op_status () != -1);
- ACE_ASSERT (ACE_Reactor::instance () == reactor);
-
- Supplier_Task task (disable_notify_pipe,
- tv);
- ACE_ASSERT (ACE_LOG_MSG->op_status () != -1);
-
- int result;
-
- result = task.open ();
- ACE_ASSERT (result != -1);
-
- if (tv.sec () == LONG_TIMEOUT)
- // Sleep for a while so that the <ACE_Reactor>'s notification
- // buffers will fill up!
- ACE_OS::sleep (tv);
-
- int shutdown = 0;
-
- // Run the event loop that handles the <handle_output> and
- // <handle_exception> notifications.
- for (int iteration = 1;
- shutdown == 0;
- iteration++)
- {
- ACE_Time_Value timeout (tv);
-
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) starting handle_events() on iteration %d")
- ASYS_TEXT (" with time-out = %d seconds\n"),
- iteration,
- timeout.sec ()));
-
- // Use a timeout to inform the Reactor when to shutdown.
- switch (ACE_Reactor::instance ()->handle_events (timeout))
- {
- case -1:
- ACE_ERROR ((LM_ERROR,
- ASYS_TEXT ("(%t) %p\n"),
- ASYS_TEXT ("reactor")));
- shutdown = 1;
- break;
- /* NOTREACHED */
- case 0:
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) handle_events timed out\n")));
- shutdown = 1;
- break;
- /* NOTREACHED */
- default:
- break;
- /* NOTREACHED */
- }
- }
-
- if (tv.sec () == LONG_TIMEOUT)
- {
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) releasing supplier task thread\n")));
- task.release ();
- }
- return 0;
-}
-
-#endif /* ACE_HAS_THREADS */
-
-int
-main (int, ASYS_TCHAR *[])
-{
- ACE_START_TEST (ASYS_TEXT ("Reactor_Notify_Test"));
-
-#if defined (ACE_HAS_THREADS)
- ACE_Time_Value timeout (SHORT_TIMEOUT);
-
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) running tests with notify pipe enabled")
- ASYS_TEXT (" and time-out = %d seconds\n"),
- timeout.sec ()));
- run_test (0, timeout);
-
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) running tests with notify pipe diabled")
- ASYS_TEXT (" and time-out = %d seconds\n"),
- timeout.sec ()));
- run_test (1, timeout);
-
- timeout.set (LONG_TIMEOUT, 0);
- ACE_DEBUG ((LM_DEBUG,
- ASYS_TEXT ("(%t) running tests with reactor notification pipe enabled\n")
- ASYS_TEXT (" and time-out = %d seconds\n"),
- timeout.sec ()));
- run_test (0, timeout);
-
-#else
- ACE_ERROR ((LM_INFO,
- ASYS_TEXT ("threads not supported on this platform\n")));
-#endif /* ACE_HAS_THREADS */
- ACE_END_TEST;
- return 0;
-}
-
-#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
-template class auto_ptr<ACE_Reactor>;
-template class auto_ptr<ACE_Select_Reactor>;
-template class ACE_Auto_Basic_Ptr<ACE_Reactor>;
-template class ACE_Auto_Basic_Ptr<ACE_Select_Reactor>;
-#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
-#pragma instantiate auto_ptr <ACE_Reactor>
-#pragma instantiate auto_ptr <ACE_Select_Reactor>
-#pragma instantiate ACE_Auto_Basic_Ptr<ACE_Reactor>
-#pragma instantiate ACE_Auto_Basic_Ptr<ACE_Select_Reactor>
-#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */