TAO/orbsvcs/Scheduling_Service/Scheduling_Service.h

   1 //=============================================================================
   2 /**
   3  *  @file    Scheduling_Service.h
   4  *
   5  *    This class implements the functionality of a Scheduling Service in
   6  *    a stand-alone process.
   7  *
   8  *  @author   Chris Gill (cdgill@cs.wustl.edu) Based on the original
   9  *  Scheduling Service program by David Levine (levine@cs.wustl.edu) and
  10  *  Carlos O'Ryan (coryan@cs.wustl.edu)
  11  *  @author  and on the Naming Service program implementation by Marina   Spivak (marina@cs.wustl.edu) and Nagarajan Surendran   (naga@cs.wustl.edu)
  12  */
  13 //=============================================================================
  14
  15
  16 #ifndef TAO_SCHEDULING_SERVICE_H
  17 #define TAO_SCHEDULING_SERVICE_H
  18
  19 #include "tao/Utils/ORB_Manager.h"
  20 #include "orbsvcs/Sched/Reconfig_Scheduler.h"
  21 #if defined (TAO_USES_STRATEGY_SCHEDULER)
  22 #include "orbsvcs/Sched/Strategy_Scheduler.h"
  23 #endif /* defined (TAO_USES_STRATEGY_SCHEDULER) */
  24 #include "orbsvcs/Sched/Config_Scheduler.h"
  25 #include "ace/SString.h"
  26
  27 /**
  28  * @class TAO_Scheduling_Service
  29  *
  30  * @brief Defines a class that encapsulates the implementation of the
  31  * TAO Scheduling Service.
  32  *
  33  * This class makes use of the TAO_Reconfig_Scheduler and
  34  * ACE_Config_Scheduler classes to implement the Scheduling Service.
  35  */
  36 class TAO_Scheduling_Service
  37 {
  38 public:
  39   /// Default Constructor.
  40   TAO_Scheduling_Service ();
  41
  42   /// Constructor taking the command-line arguments.
  43   TAO_Scheduling_Service (int argc, ACE_TCHAR* argv[]);
  44
  45   /// Initialize the Scheduling Service with the arguments.
  46   int init (int argc, ACE_TCHAR* argv[]);
  47
  48   /// Run the TAO_Scheduling_Service.
  49   int run ();
  50
  51   /// Destructor.
  52   ~TAO_Scheduling_Service ();
  53
  54 private:
  55   typedef ACE_Config_Scheduler CONFIG_SCHED_TYPE;
  56
  57   typedef TAO_Reconfig_Scheduler<TAO_MUF_FAIR_Reconfig_Sched_Strategy,
  58                                  TAO_SYNCH_MUTEX> RECONFIG_SCHED_TYPE;
  59
  60   enum Scheduler_Type {CONFIG, RECONFIG};
  61
  62   /// parses the arguments.
  63   int parse_args (int argc, ACE_TCHAR* argv[]);
  64
  65   /// The ORB manager.  This must be the first thing in the
  66   TAO_ORB_Manager orb_manager_;
  67
  68   /// Scheduler instance.
  69   POA_RtecScheduler::Scheduler *scheduler_impl_;
  70
  71   /// Name of the IOR output file.
  72   ACE_CString ior_file_name_;
  73
  74   /// Name of the process id output file.
  75   ACE_CString pid_file_name_;
  76
  77   /// Name used to register the service.
  78   ACE_CString service_name_;
  79
  80   /// Type of scheduler with which to instantiate the service.
  81   Scheduler_Type scheduler_type_;
  82
  83   /// A reference to the ORB, to shut it down properly.
  84   CORBA::ORB_var orb_;
  85 };
  86
  87 #endif /* TAO_SCHEDULING_SERVICE_H */