using System;
using DotNetty.Handlers.Timeout;
using DotNetty.Transport.Channels;

namespace JNGame.Network.Netty
{
    /// <summary>
    /// Heartbeat Handler Class.
    /// </summary>
    public class HeartBeatHandler : ChannelHandlerAdapter
    {
        /// <summary>
        /// Heart Beat Handler.
        /// </summary>
        /// <param name="context"></param>
        /// <param name="evt"></param>
        public override void UserEventTriggered(IChannelHandlerContext context, object evt)
        {
            var eventState = evt as IdleStateEvent;
            if (eventState != null)
            {
                if (eventState.State == IdleState.ReaderIdle)
                {
                    context.Channel.Flush();
                    context.Channel.CloseAsync();
                }
            }
            else
            {
                base.UserEventTriggered(context, evt);
            }
        }
    }
}