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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// orbsvcs
//
// = FILENAME
// Runtime_Scheduler.h
//
// = AUTHOR
// Chris Gill <cdgill@cs.wustl.edu>
//
// ============================================================================
#ifndef ACE_RUNTIME_SCHEDULER_H
#define ACE_RUNTIME_SCHEDULER_H
#include /**/ "ace/pre.h"
#include "orbsvcs/orbsvcs/Scheduler_Factory.h"
#include "orbsvcs/orbsvcs/RtecSchedulerS.h"
#include "orbsvcs/orbsvcs/Sched/sched_export.h"
class TAO_RTSched_Export ACE_Runtime_Scheduler : public POA_RtecScheduler::Scheduler
{
// = TITLE
// A fast and simple servant for RtecScheduler::Scheduler based on
// precomputed schedules.
//
// = DESCRIPTION
// This class offers the services of the scheduler, but based on
// precomputed and precompiled information. This results in a
// highly optimized execution after the configuration runs.
public:
ACE_Runtime_Scheduler (int config_count,
ACE_Scheduler_Factory::POD_Config_Info config_info[],
int entry_count,
ACE_Scheduler_Factory::POD_RT_Info rt_info[]);
// Constructor. Initialize the data from the POD_RT_Info array.
virtual RtecScheduler::handle_t create (const char * entry_point
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::DUPLICATE_NAME));
// Create an RT_Info. In the config run scheduler this actually constructs
// a new RT_Info. Here, we just return its handle, or an error value if
// it's not present.
virtual RtecScheduler::handle_t lookup (const char * entry_point
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC((CORBA::SystemException));
// Lookup a handle for an RT_Info, and return its handle, or an error
// value if it's not present.
virtual RtecScheduler::RT_Info* get (RtecScheduler::handle_t handle
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::UNKNOWN_TASK));
// Return a pointer to the RT_Info corresponding to the passed handle.
virtual void set (RtecScheduler::handle_t handle,
RtecScheduler::Criticality_t criticality,
RtecScheduler::Time time,
RtecScheduler::Time typical_time,
RtecScheduler::Time cached_time,
RtecScheduler::Period_t period,
RtecScheduler::Importance_t importance,
RtecScheduler::Quantum_t quantum,
CORBA::Long threads,
RtecScheduler::Info_Type_t info_type
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::UNKNOWN_TASK));
// Set characteristics of the RT_Info corresponding to the passed handle.
virtual void reset (RtecScheduler::handle_t handle,
RtecScheduler::Criticality_t criticality,
RtecScheduler::Time time,
RtecScheduler::Time typical_time,
RtecScheduler::Time cached_time,
RtecScheduler::Period_t period,
RtecScheduler::Importance_t importance,
RtecScheduler::Quantum_t quantum,
CORBA::Long threads,
RtecScheduler::Info_Type_t info_type
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::UNKNOWN_TASK));
// Reset characteristics of the RT_Info corresponding to the passed handle.
virtual void set_seq (const RtecScheduler::RT_Info_Set& infos
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::UNKNOWN_TASK,
RtecScheduler::INTERNAL,
RtecScheduler::SYNCHRONIZATION_FAILURE));
// Set characteristics of the RT_Infos corresponding to the passed handles.
// Tuples are added in the case of existing and/or multiple definitions.
virtual void replace_seq (const RtecScheduler::RT_Info_Set& infos
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::UNKNOWN_TASK,
RtecScheduler::INTERNAL,
RtecScheduler::SYNCHRONIZATION_FAILURE));
// Replace characteristics of the RT_Infos corresponding to the
// passed handles.
virtual void reset_seq (const RtecScheduler::RT_Info_Set& infos
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::UNKNOWN_TASK,
RtecScheduler::INTERNAL,
RtecScheduler::SYNCHRONIZATION_FAILURE));
// Reset characteristics of the RT_Infos corresponding to the passed handles.
// Tuples are replaced in the case of existing and/or multiple definitions.
virtual void priority (RtecScheduler::handle_t handle,
RtecScheduler::OS_Priority& o_priority,
RtecScheduler::Preemption_Subpriority_t& p_subpriority,
RtecScheduler::Preemption_Priority_t& p_priority
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::UNKNOWN_TASK,
RtecScheduler::NOT_SCHEDULED));
// Returns the priority and subpriority values assigned to an RT_Info,
// based on its handle.
virtual void entry_point_priority (const char * entry_point,
RtecScheduler::OS_Priority& o_priority,
RtecScheduler::Preemption_Subpriority_t& p_subpriority,
RtecScheduler::Preemption_Priority_t& p_priority
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::UNKNOWN_TASK,
RtecScheduler::NOT_SCHEDULED));
// Returns the priority and subpriority values assigned to an RT_Info,
// based on its entry point name.
virtual void add_dependency (RtecScheduler::handle_t handle,
RtecScheduler::handle_t dependency,
CORBA::Long number_of_calls,
RtecScheduler::Dependency_Type_t dependency_type
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::UNKNOWN_TASK));
// In the config run scheduler, this method registers a dependency between
// two RT_Infos. In the run time scheduler, this is a no-op.
virtual void remove_dependency (RtecScheduler::handle_t handle,
RtecScheduler::handle_t dependency,
CORBA::Long number_of_calls,
RtecScheduler::Dependency_Type_t dependency_type
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::UNKNOWN_TASK));
// In the reconfig scheduler, this method removes a dependency between
// two RT_Infos. In the run time scheduler, this is a no-op.
virtual void set_dependency_enable_state (RtecScheduler::handle_t handle,
RtecScheduler::handle_t dependency,
CORBA::Long number_of_calls,
RtecScheduler::Dependency_Type_t dependency_type,
RtecScheduler::Dependency_Enabled_Type_t enabled
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::UNKNOWN_TASK));
// In the reconfig scheduler, this method (re)enabes a dependency between
// two RT_Infos. In the run time scheduler, this is a no-op.
virtual void set_rt_info_enable_state (RtecScheduler::handle_t handle,
RtecScheduler::RT_Info_Enabled_Type_t enabled
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::UNKNOWN_TASK));
// In the reconfig scheduler, enables or disables an RT_Info.
// In the run time scheduler, this is a no-op.
virtual void set_dependency_enable_state_seq (const RtecScheduler::Dependency_Set & dependencies
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::SYNCHRONIZATION_FAILURE,
RtecScheduler::UNKNOWN_TASK));
// This method sets the enable state of a sequence of dependencies.
virtual void set_rt_info_enable_state_seq (const RtecScheduler::RT_Info_Enable_State_Pair_Set & pair_set
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::SYNCHRONIZATION_FAILURE,
RtecScheduler::UNKNOWN_TASK));
// This method enables or disables a sequence of RT_Infos.
virtual void compute_scheduling (CORBA::Long minimum_priority,
CORBA::Long maximum_priority,
RtecScheduler::RT_Info_Set_out infos,
RtecScheduler::Dependency_Set_out deps,
RtecScheduler::Config_Info_Set_out configs,
RtecScheduler::Scheduling_Anomaly_Set_out anomalies
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::UTILIZATION_BOUND_EXCEEDED,
RtecScheduler::INSUFFICIENT_THREAD_PRIORITY_LEVELS,
RtecScheduler::TASK_COUNT_MISMATCH));
// In the config run scheduler, this method causes scheduling information
// to be computed for all registered RT_Infos. In the run time scheduler,
// this is a no-op.
virtual void recompute_scheduling (CORBA::Long minimum_priority,
CORBA::Long maximum_priority,
RtecScheduler::Scheduling_Anomaly_Set_out anomalies
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::UTILIZATION_BOUND_EXCEEDED,
RtecScheduler::SYNCHRONIZATION_FAILURE,
RtecScheduler::INSUFFICIENT_THREAD_PRIORITY_LEVELS,
RtecScheduler::TASK_COUNT_MISMATCH,
RtecScheduler::INTERNAL,
RtecScheduler::DUPLICATE_NAME));
// Recomputes the scheduling priorities, etc.
virtual void get_rt_info_set (RtecScheduler::RT_Info_Set_out infos
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::SYNCHRONIZATION_FAILURE,
RtecScheduler::INTERNAL));
// Returns the set of rt_infos, with their assigned priorities (as
// of the last schedule re-computation).
virtual void get_dependency_set (RtecScheduler::Dependency_Set_out dependencies
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::SYNCHRONIZATION_FAILURE,
RtecScheduler::INTERNAL));
// Returns the set of rt_infos, with their assigned priorities (as
// of the last schedule re-computation).
virtual void get_config_info_set (RtecScheduler::Config_Info_Set_out configs
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::SYNCHRONIZATION_FAILURE,
RtecScheduler::INTERNAL));
// Returns the set of config_infos, describing the appropriate
// number, types, and priority levels for the dispatching lanes.
virtual void dispatch_configuration (RtecScheduler::Preemption_Priority_t p_priority,
RtecScheduler::OS_Priority& o_priority,
RtecScheduler::Dispatching_Type_t & d_type
ACE_ENV_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::NOT_SCHEDULED,
RtecScheduler::UNKNOWN_PRIORITY_LEVEL));
// Provides the thread priority and queue type for the given priority level.
virtual RtecScheduler::Preemption_Priority_t last_scheduled_priority (ACE_ENV_SINGLE_ARG_DECL)
ACE_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::NOT_SCHEDULED));
// Returns the last priority number assigned to an operation in the
// schedule. The number returned is one less than the total number
// of scheduled priorities. All scheduled priorities range from 0
// to the number returned, inclusive.
virtual void get_config_infos (RtecScheduler::Config_Info_Set_out configs
ACE_ENV_ARG_DECL_WITH_DEFAULTS)
ACE_THROW_SPEC ((CORBA::SystemException,
RtecScheduler::NOT_SCHEDULED));
private:
int config_count_;
// The number of elements in the config array.
ACE_Scheduler_Factory::POD_Config_Info* config_info_;
// The array of precomputed queue configuration structures.
int entry_count_;
// The number of elements in the RT_Info array.
ACE_Scheduler_Factory::POD_RT_Info* rt_info_;
// The array of precomputed RT_Info structures.
};
#if defined (__ACE_INLINE__)
#include "orbsvcs/orbsvcs/Runtime_Scheduler.i"
#endif /* __ACE_INLINE__ */
#include /**/ "ace/post.h"
#endif /* ACE_RUNTIME_SCHEDULER_H */
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