ACE/examples/APG/Timers/Task.cpp

   1 #include "ace/OS_NS_sys_time.h"
   2
   3 // Listing 1 code/ch20
   4 #include "ace/Timer_Queue_Adapters.h"
   5 #include "ace/Timer_Heap.h"
   6
   7 typedef ACE_Thread_Timer_Queue_Adapter<ACE_Timer_Heap>
   8    ActiveTimer;
   9
  10 // Listing 1
  11 // Listing 2 code/ch20
  12 class CB : public ACE_Event_Handler
  13 {
  14 public:
  15   CB (int id) : id_(id) { }
  16
  17   virtual int handle_timeout (const ACE_Time_Value &,
  18                               const void *arg)
  19   {
  20     ACE_TRACE ("CB::handle_timeout");
  21
  22     const int *val = static_cast<const int*> (arg);
  23     ACE_ASSERT((*val) == id_);
  24
  25     ACE_UNUSED_ARG (val);
  26
  27     ACE_DEBUG ((LM_DEBUG,
  28                 ACE_TEXT ("Expiry handled by thread %t\n")));
  29     return 0;
  30   }
  31
  32 private:
  33   int id_;
  34 };
  35 // Listing 2
  36
  37 // Listing 3 code/ch20
  38 int ACE_TMAIN (int, ACE_TCHAR *[])
  39 {
  40   ACE_DEBUG ((LM_DEBUG,
  41               ACE_TEXT ("the main thread %t has started\n")));
  42
  43   // Create an "active" timer and start its thread.
  44   ActiveTimer atimer;
  45   atimer.activate ();
  46
  47   CB cb1 (1);
  48   CB cb2 (2);
  49   int arg1 = 1;
  50   int arg2 = 2;
  51
  52   // Schedule timers to go off 3 & 4 seconds from now
  53   // and then with an interval of 1.1 seconds.
  54   const ACE_Time_Value curr_tv = ACE_OS::gettimeofday ();
  55   ACE_Time_Value interval = ACE_Time_Value (1, 100000);
  56
  57   atimer.schedule (&cb1,
  58                    &arg1,
  59                    curr_tv + ACE_Time_Value (3L),
  60                    interval);
  61   atimer.schedule (&cb2,
  62                    &arg2,
  63                    curr_tv + ACE_Time_Value (4L),
  64                    interval);
  65
  66   ACE_Thread_Manager::instance ()->wait ();  // Wait forever.
  67
  68   return 0;
  69 }
  70 // Listing 3
  71