TAO/orbsvcs/Event_Service/Event_Service.h

   1 /* -*- C++ -*- */
   2
   3 // ============================================================================
   4 /**
   5  * @file Event_Service.h
   6  *
   7  * The TAO event service implementation.
   8  */
   9 #ifndef EC_EVENT_SERVICE_H
  10 #define EC_EVENT_SERVICE_H
  11 #include /**/ "ace/pre.h"
  12
  13 #include "orbsvcs/RtecEventChannelAdminS.h"
  14
  15 #if !defined (ACE_LACKS_PRAGMA_ONCE)
  16 # pragma once
  17 #endif /* ACE_LACKS_PRAGMA_ONCE */
  18 #include "orbsvcs/RtecSchedulerS.h"
  19 #include "ace/SString.h"
  20
  21 /**
  22  * @class Event_Service
  23  *
  24  * This class decorates an Event Channel implementation, but in a very simple
  25  * way: destroy() also shutdowns the ORB.
  26  *
  27  * The Event_Channel implementations should not shutdown the ORB by default,
  28  * but in this case, where the Event_Channel is (almost) the only service on
  29  * the host, it makes more sense to do so.
  30  */
  31 class Event_Service : public POA_RtecEventChannelAdmin::EventChannel
  32 {
  33 public:
  34   Event_Service ();
  35   virtual ~Event_Service ();
  36
  37   /// Run the event service.
  38   int run (int argc, ACE_TCHAR* argv[]);
  39
  40   // = The RtecEventChannelAdmin::Event_Channel methods
  41   virtual RtecEventChannelAdmin::ConsumerAdmin_ptr
  42     for_consumers ();
  43   virtual RtecEventChannelAdmin::SupplierAdmin_ptr
  44     for_suppliers ();
  45   virtual void destroy ();
  46   virtual RtecEventChannelAdmin::Observer_Handle
  47     append_observer (RtecEventChannelAdmin::Observer_ptr observer);
  48   virtual void remove_observer (RtecEventChannelAdmin::Observer_Handle);
  49
  50 private:
  51   /// Parse the command line args
  52   int parse_args (int argc, ACE_TCHAR* argv[]);
  53
  54   enum Sched_type_t {ES_SCHED_NONE, ES_SCHED_GLOBAL, ES_SCHED_LOCAL};
  55
  56 private:
  57   /// The Scheduler implementation.
  58   POA_RtecScheduler::Scheduler *sched_impl_;
  59
  60   /// The Event Channel implementation.
  61   POA_RtecEventChannelAdmin::EventChannel *ec_impl_;
  62
  63   /// The name we use to bind with the NameService
  64   ACE_CString service_name_;
  65
  66   /// The name of the file were we output the Event_Service IOR.
  67   ACE_TString ior_file_name_;
  68
  69   /// The name of a file where the process stores its pid
  70   ACE_TString pid_file_name_;
  71
  72   /// The name of the servant we use when we use persistent IORs
  73   ACE_CString object_id_;
  74
  75   /// Should we use a global scheduler or a local one or none?
  76   Sched_type_t scheduler_type_;
  77
  78   /// A reference to the ORB, to shut it down properly.
  79   CORBA::ORB_var orb_;
  80
  81   /// Use BiDirectional GIOP
  82   bool use_bidir_giop_;
  83
  84   /// Should we bind to the naming service
  85   bool bind_to_naming_service_;
  86 };
  87
  88 #include /**/ "ace/post.h"
  89 #endif /* EC_EVENT_SERVICE_H */