maersai_heavy_back_vehicle/Service/Car/Handler/HeartBeatMsgHandler.cs

using DotNetty.Transport.Channels;
using HybirdFrameworkCore.Autofac.Attribute;
using HybirdFrameworkDriver.Session;
using log4net;
using Newtonsoft.Json;
using Service.Car.Msg.Car.Req;
using Service.Car.Msg.Host.Resp;
using Service.Car.Server;

namespace Service.Car.Handler;

/// <summary>
///
/// </summary>
[Order(8)]
[Scope("InstancePerDependency")]
public class HeartBeatMsgHandler : SimpleChannelInboundHandler<HeartBeatMsg>, IBaseHandler
{

    private static readonly ILog Log = LogManager.GetLogger(typeof(HeartBeatMsgHandler));
    /// <summary>
    ///
    /// </summary>
    /// <param name="ctx"></param>
    /// <param name="msg"></param>
    /// <exception cref="NotImplementedException"></exception>
    protected override void ChannelRead0(IChannelHandlerContext ctx, HeartBeatMsg msg)
    {

        Log.Info($"receive HeartBeatMsg = {JsonConvert.SerializeObject(msg)}");
        IoSession? ioSession =  CarServerMgr.CarServer?.SessionMgr.GetSession(ctx.Channel.Id.ToString());
        if (ioSession != null && ioSession.Key != msg.CarNo)
        {
            CarServerMgr.CarServer?.SessionMgr.ChangeSessionKey(ioSession, msg.CarNo);
        }

        if (ioSession == null)
        {
            ioSession = CarServerMgr.CarServer?.SessionMgr.GetSession(msg.CarNo);
        }

        if (ioSession == null)
        {
            ioSession = new IoSession(ctx.Channel);
            CarServerMgr.CarServer?.SessionMgr.ChangeSessionKey(ioSession,msg.CarNo);
        }
        
        if (ioSession != null)
        {
            ioSession.BusinessMap.AddOrUpdate("HeartBeatMsg", msg, ((s, o) => msg));
            ioSession?.BusinessMap.AddOrUpdate("Connected", true, ((s, o) => true));
        }
        
        HeartBeatMsgResp resp = new HeartBeatMsgResp(CarServerMgr.CarServer.StationStatus)
        {
            CarNo = msg.CarNo
        };
        resp.InitCurrentTime();
        ctx.Channel.WriteAndFlushAsync(resp);
    }
}