/*************************************************************************
 * ModernUO                                                              *
 * Copyright 2019-2020 - ModernUO Development Team                       *
 * Email: hi@modernuo.com                                                *
 * File: NetworkState.cs                                                 *
 *                                                                       *
 * This program is free software: you can redistribute it and/or modify  *
 * it under the terms of the GNU General Public License as published by  *
 * the Free Software Foundation, either version 3 of the License, or     *
 * (at your option) any later version.                                   *
 *                                                                       *
 * You should have received a copy of the GNU General Public License     *
 * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
 *************************************************************************/

using System.Runtime.CompilerServices;
using System.Threading;

namespace Server.Network
{
    public class NetworkState
    {
        public static readonly NetworkState PauseState = new(true);
        public static readonly NetworkState ResumeState = new(false);

        public bool Paused { get; }

        internal NetworkState(bool paused) => Paused = paused;

        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static bool Pause(ref NetworkState state) =>
            Interlocked.CompareExchange(ref state, PauseState, ResumeState) != PauseState;

        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public static bool Resume(ref NetworkState state) =>
            Interlocked.CompareExchange(ref state, ResumeState, PauseState) != ResumeState;
    }
}