NetworkClient.hpp

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//
//  CeresEngine - A game development framework
//
//  Created by Rogiel Sulzbach.
//  Copyright (c) 2018-2022 Rogiel Sulzbach. All rights reserved.
//
 
#pragma once
 
#include "CeresEngine/DataTypes.hpp"
#include "CeresEngine/Macros.hpp"
 
#include "CeresEngine/Foundation/StructEnum.hpp"
#include "CeresEngine/Foundation/Container/Atomic.hpp"
 
#include <atomic>
#include <cstdint>
#include <iosfwd>
 
namespace CeresEngine {
 
    struct CE_SCRIPT_EXPORT() NetworkClientID {
        using RawT = UInt64;
 
        CE_SCRIPT_EXPORT()
        UInt64 raw = 0;
 
        CE_SCRIPT_EXPORT()
        inline constexpr NetworkClientID() noexcept = default;
 
        CE_SCRIPT_EXPORT()
        constexpr NetworkClientID(const NetworkClientID& other) noexcept = default;
 
        constexpr NetworkClientID& operator=(const NetworkClientID& other) noexcept = default;
 
        CE_SCRIPT_EXPORT()
        explicit inline constexpr NetworkClientID(const UInt64 raw) noexcept : raw(raw) {}
 
    public: // Operators
        [[nodiscard]] friend inline constexpr bool operator==(const NetworkClientID& a, const NetworkClientID& b) noexcept { return a.raw == b.raw; }
 
        [[nodiscard]] friend inline constexpr bool operator!=(const NetworkClientID& a, const NetworkClientID& b) noexcept { return a.raw != b.raw; }
 
        [[nodiscard]] friend inline constexpr bool operator<(const NetworkClientID& a, const NetworkClientID& b) noexcept { return a.raw < b.raw; }
 
        [[nodiscard]] friend inline constexpr bool operator<=(const NetworkClientID& a, const NetworkClientID& b) noexcept { return a.raw <= b.raw; }
 
        [[nodiscard]] friend inline constexpr bool operator>(const NetworkClientID& a, const NetworkClientID& b) noexcept { return a.raw > b.raw; }
 
        [[nodiscard]] friend inline constexpr bool operator>=(const NetworkClientID& a, const NetworkClientID& b) noexcept { return a.raw >= b.raw; }
 
        friend std::ostream& operator<<(std::ostream& os, const NetworkClientID& clientID);
    };
 
    struct NetworkClientState : StructEnum<NetworkClientState> {
        enum : UnderlyingType {
            Disconnected,
            Connecting,
            Connected,
            Disconnecting,
            Error
        } raw;
        CE_STRUCT_ENUM_DECL(NetworkClientState)
    };
 
    class CE_SCRIPT_EXPORT() NetworkClient {};
 
    class NetworkClientIDAllocator {
    private:
        Atomic<decltype(NetworkClientID::raw)> nextID = 0;
 
    public:
        [[nodiscard]] NetworkClientID operator()() noexcept { return NetworkClientID(++nextID); }
    };
 
} // namespace CeresEngine