feat:添加长连接，强制下线功能

Yi.Furion.Net6/Yi.Furion.Application/Rbac/SignalRHub/OnlineUserHub.cs

@@ -0,0 +1,133 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using IPTools.Core;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.SignalR;
+using Microsoft.Extensions.Logging;
+using UAParser;
+using Yi.Framework.Infrastructure.AspNetCore;
+using Yi.Framework.Infrastructure.CurrentUsers;
+using Yi.Furion.Application.Rbac.SignalRHub.Model;
+using Yi.Furion.Core.Rbac.Entities;
+
+namespace Yi.Furion.Application.Rbac.SignalRHub
+{
+    public class OnlineUserHub : Hub
+    {
+        public static readonly List<OnlineUserModel> clientUsers = new();
+
+
+        private HttpContext _httpContext;
+        private ILogger<OnlineUserHub> _logger;
+        private ICurrentUser _currentUser;
+        public OnlineUserHub(IHttpContextAccessor httpContextAccessor, ILogger<OnlineUserHub> logger, ICurrentUser currentUser)
+        {
+            _httpContext = httpContextAccessor.HttpContext;
+            _logger = logger;
+            _currentUser = currentUser;
+        }
+
+
+
+        /// <summary>
+        /// 成功连接
+        /// </summary>
+        /// <returns></returns>
+        public override Task OnConnectedAsync()
+        {
+            var name = _currentUser.UserName;
+            var loginUser = GetLoginLogInfo(_httpContext);
+            var user = clientUsers.Any(u => u.ConnnectionId == Context.ConnectionId);
+            //判断用户是否存在，否则添加集合
+            if (!user )
+            {
+                OnlineUserModel users = new(Context.ConnectionId)
+                {
+                    Browser = loginUser?.Browser,
+                    LoginLocation = loginUser?.LoginLocation,
+                    Ipaddr = loginUser?.LoginIp,
+                    LoginTime = DateTime.Now,
+                    Os = loginUser?.Os,
+                    UserName = name ?? ""
+                };
+                clientUsers.Add(users);
+                _logger.LogInformation($"{DateTime.Now}：{name},{Context.ConnectionId}连接服务端success，当前已连接{clientUsers.Count}个");
+
+                //Clients.All.SendAsync(HubsConstant.MoreNotice, SendNotice());
+            }
+            //当有人加入，向全部客户端发送当前总数
+            Clients.All.SendAsync("onlineNum", clientUsers.Count);
+            //Clients.All.SendAsync(HubsConstant.OnlineUser, clientUsers);
+            return base.OnConnectedAsync();
+        }
+
+        /// <summary>
+        /// 断开连接
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <returns></returns>
+        public override Task OnDisconnectedAsync(Exception exception)
+        {
+            var user = clientUsers.Where(p => p.ConnnectionId == Context.ConnectionId).FirstOrDefault();
+            //判断用户是否存在，否则添加集合
+            if (user != null)
+            {
+                clientUsers.Remove(user);
+                Clients.All.SendAsync("onlineNum", clientUsers.Count);
+                //Clients.All.SendAsync(HubsConstant.OnlineUser, clientUsers);
+                _logger.LogInformation($"用户{user?.UserName}离开了，当前已连接{clientUsers.Count}个");
+            }
+            return base.OnDisconnectedAsync(exception);
+        }
+
+        public async Task SendAllTest(string test)
+        {
+            await Clients.All.SendAsync("ReceiveAllInfo", test);
+        }
+
+        /// <summary>
+        /// 获取客户端信息
+        /// </summary>
+        /// <param name="context"></param>
+        /// <returns></returns>
+        private static ClientInfo GetClientInfo(HttpContext context)
+        {
+            var str = context.GetUserAgent();
+            var uaParser = Parser.GetDefault();
+            ClientInfo c = uaParser.Parse(str);
+            return c;
+        }
+
+        /// <summary>
+        /// 记录用户登陆信息
+        /// </summary>
+        /// <param name="context"></param>
+        /// <returns></returns>
+        private static LoginLogEntity GetLoginLogInfo(HttpContext context)
+        {
+            var ipAddr = context.GetClientIp();
+            IpInfo location;
+            if (ipAddr == "127.0.0.1")
+            {
+                location = new IpInfo() { Province = "本地", City = "本机" };
+            }
+            else
+            {
+                location = IpTool.Search(ipAddr);
+            }
+            ClientInfo clientInfo = GetClientInfo(context);
+            LoginLogEntity entity = new()
+            {
+                Browser = clientInfo.Device.Family,
+                Os = clientInfo.OS.ToString(),
+                LoginIp = ipAddr,
+                LoginLocation = location.Province + "-" + location.City
+            };
+
+            return entity;
+        }
+    }
+}