#if !defined(monitoring_api_included)
#define monitoring_api_included

#include "monitoring_logging.idl"  

@autoid  @default_nested(TRUE) @observable_name("")
module monitoring {

    typedef string ResourcePathExpression;
    typedef sequence<ResourcePathExpression> ResourcePathExpressionSequence;

    typedef string ObservableElementNameExpression;
    typedef sequence<ObservableElementNameExpression> ObservableElementNameExpressionSequence;

    @appendable @nested
    struct ObservableElementSelector {
        ResourcePathExpression                     resource_path_selector;
        sequence<ObservableElementNameExpression>  observable_name_selectors;
    };
    typedef sequence<ObservableElementSelector> ObservableElementSelectorSequence;

    @appendable @nested
    struct ObservableElementChangeSet {
        ResourcePathExpression                     resource_path_selector;
        sequence<ObservableElementNameExpression>  add_observable_name_selectors;
        sequence<ObservableElementNameExpression>  remove_observable_name_selectors;
    };
    typedef sequence<ObservableElementChangeSet> ObservableElementChangeSetSequence;

    @appendable @nested
    struct LoggingVerbosityLevelSelector {
        ResourcePathExpression                     application_path_selector;
        sequence<LoggingFacilityLevel>             logging_facility_level;
    };
    typedef sequence<LoggingVerbosityLevelSelector> LoggingVerbosityLevelSelectorSequence;

    @appendable 
    @nested 
    exception MonitoringCommandError { 
        int32  ret_code;
        string error_message;
    };

    @DDSService
    @DDSRequestTopic (name="DDSMonitoringAdministrationRequest")
    @DDSReplyTopic   (name="DDSMonitoringAdministrationReply")
    interface Administration {
        void set_subscription_state(
            in ObservableElementSelectorSequence  observable_element_selectors)
            raises (MonitoringCommandError);

        void update_subscription_state(
            in ObservableElementChangeSetSequence observable_element_change_sets)
            raises (MonitoringCommandError);

        void set_logging_verbosity(
            in LoggingVerbosityLevelSelectorSequence logging_verbosity_level_selectors)
            raises (MonitoringCommandError);

        void request_resource_snapshot(
            in ResourcePathExpressionSequence     application_selector)
            raises (MonitoringCommandError);

        void request_observable_element_snapshot(
            in ObservableElementSelectorSequence  observable_element_selectors)
            raises (MonitoringCommandError);

        void request_logging_snapshot(
            in LoggingVerbosityLevelSelectorSequence logging_verbosity_level_selectors)
            raises (MonitoringCommandError);

        void request_type_definitions(
            in TypeIdentifierSequence  type_ids,
            in boolean include_required_type_ids)
            raises (MonitoringCommandError);
    }; 

};  // End of module monitoring
#endif /* monitoring_api_included */