hn_zw_back_main/Service/RealTime/MyHub.cs

using System.Collections.Concurrent;
using HybirdFrameworkCore.Utils;
using log4net;
using Microsoft.AspNetCore.SignalR;
using Newtonsoft.Json;

namespace Service.RealTime;

public class MyHub : Hub
{
    private static readonly JsonSerializerSettings settings = new JsonSerializerSettings()
    {
        ReferenceLoopHandling = ReferenceLoopHandling.Ignore,
        DateFormatString = "yyyy-MM-dd HH:mm:ss",
        NullValueHandling = NullValueHandling.Ignore
    };

    private static readonly ILog Log = LogManager.GetLogger(typeof(MyHub));

    private static readonly ConcurrentDictionary<string, string>
        Dictionary = new ConcurrentDictionary<string, string>();


    #region rpc

    public async Task SendMsg(string toUser, string msg)
    {
        Log.Info($"receive {msg}");
        await Clients.All.SendAsync("ReceiveMsg", toUser +":"+msg);
    }

    public void Login(string uid)
    {
        if (!Dictionary.ContainsKey(uid))
        {
            Dictionary[uid] = Context.ConnectionId;
        }
    }

    public void Logout(string uid)
    {
        if (ObjUtils.IsNotNullOrWhiteSpace(uid))
        {
            Dictionary.Remove(uid);
        }
    }

    public void InvokeWithoutResult(string s)
    {
        RtMsg? rtMsg = JsonConvert.DeserializeObject<RtMsg>(s, settings);
        if (rtMsg != null)
        {
        }
    }

    public RtMsg? Invoke(RtMsg rtMsg)
    {
        if (rtMsg != null)
        {
            object result = new object();
            RtMsg msg = new RtMsg()
            {
                Id = rtMsg.Id,
                Cmd = rtMsg.Cmd,
                Datetime = DateTime.Now,
                FromUser = "swap",
                Msg = JsonConvert.SerializeObject(result, settings)
            };
            //TODO 根据cmd执行业务
            return msg;
        }

        return null;
    }

    #endregion
}