SourceInterests.h

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//
// SourceInterests.h
//
// Created on August 27th 2018
//
// Copyright 2018 CFM (www.cfm.fr)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

#pragma once

#include <memory>
#include <vector>


namespace MetroCollect::MetricsSource {
    struct Interests {
        uint64_t value;     


        inline Interests() : value(0) { }

        template<typename T>
        inline Interests(T v) : value(v) { }


        template<typename T>
        inline Interests& operator=(const T v) {
            value = v;
            return *this;
        }


        inline bool any() const {
            return value != 0;
        }


        inline bool none() const {
            return value == 0;
        }


        template<typename T>
        inline bool isSet(T index) const {
            return (value & (static_cast<size_t>(1) << (index % (8 * sizeof(size_t))))) != 0;
        }


        template<typename T>
        inline void set(T index) {
            value |= (static_cast<size_t>(1) << (index % (8 * sizeof(size_t))));
        }


        template<typename T>
        inline void unSet(T index) {
            value &= ~(static_cast<size_t>(1) << (index % (8 * sizeof(size_t))));
        }
    };


    template<>
    inline Interests::Interests(bool v) : value(v ? ~0 : 0) { }


    template<>
    inline Interests& Interests::operator=(const bool v) {
        value = (v ? ~0 : 0);
        return *this;
    }


    using SourceInterests = std::shared_ptr<std::vector<MetricsSource::Interests>>;     

    SourceInterests makeSourceInterests(bool value = false);
}