1 files changed, 172 insertions, 0 deletions
diff --git a/ACE/examples/APG/Timers/Upcall.cpp b/ACE/examples/APG/Timers/Upcall.cpp
new file mode 100644
index 00000000000..cb00ae6113a
--- /dev/null
+++ b/ACE/examples/APG/Timers/Upcall.cpp
@@ -0,0 +1,172 @@
+// $Id$
+
+#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 (ACE_TEXT ("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 (ACE_TEXT ("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 (ACE_TEXT ("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 (ACE_TEXT ("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 (ACE_TEXT ("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 (ACE_TEXT ("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 (ACE_TEXT ("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 (ACE_TEXT ("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
+