TAO/tests/OBV/Simple/Server_i.cpp

   1 #include "Server_i.h"
   2 #include "OBV_impl.h"
   3 #include "tao/ORB_Core.h"
   4
   5 // Set the ORB pointer, register OBV factories and init the
   6 // lists declared above.
   7
   8 void
   9 Checkpoint_i::orb (CORBA::ORB_ptr o)
  10 {
  11   this->orb_ = CORBA::ORB::_duplicate (o);
  12
  13   TAO_OBV_REGISTER_FACTORY (Event_factory, Event);
  14 }
  15
  16
  17 // Sidebar on assignment from pointer to _var type.
  18 //
  19 //   Event_var e_var (event);
  20 // This is fatal because the reference counter in *event is not increased
  21 // when a pointer is assigned to a _var. (This happens only
  22 // in assignments from another Event_var;
  23 // But Assignment from new is fine, the referencecount is yet one.)
  24 //
  25 // ok is
  26 //   CORBA::add_ref (event);
  27 //   Event_var e_var (event);
  28 //
  29 // but possibly easier to read it a macro
  30 #define DUP_REF(vt_ptr) (CORBA::add_ref (vt_ptr), vt_ptr)
  31 //   then it reads: Event_var e_var (DUP_REF (event));
  32 // (But it may cause desaster if vt_ptr is a function call.)
  33 //
  34 // Be careful with assignments from T1_var to T2_var, if T1 and T2 are
  35 // related through inheritance. Because there are many implicit casts
  36 // between pointer and _var types possible, the reference counter of
  37 // the duplicated reference is not increased.
  38 //
  39 // Is there any general solution with faulty reference counting ?
  40
  41
  42 void
  43 Checkpoint_i::put_event (Event *event)
  44 {
  45   // Let us see what event has arrived
  46   event->do_print ();
  47 }
  48
  49 // Shutdown the server application.
  50
  51 void
  52 Checkpoint_i::shutdown ()
  53 {
  54   ACE_DEBUG ((LM_DEBUG,
  55               "\nThe Checkpoint server is shutting down\n"));
  56
  57   // Instruct the ORB to shutdown.
  58   this->orb_->shutdown ();
  59 }
  60
  61 // Constructor.
  62 Checkpoint_i::Checkpoint_i ()
  63 {
  64 }
  65
  66 // Destructor.
  67 Checkpoint_i::~Checkpoint_i ()
  68 {
  69 }