90 lines
3.2 KiB
C#
90 lines
3.2 KiB
C#
using Microsoft.AspNetCore.Authorization;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.SignalR;
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using Microsoft.Extensions.Logging;
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using Volo.Abp.AspNetCore.SignalR;
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using Yi.Framework.Rbac.Domain.Entities;
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using Yi.Framework.Rbac.Domain.Shared.Model;
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namespace Yi.Framework.Rbac.Application.SignalRHubs
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{
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[HubRoute("/hub/main")]
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//开放不需要授权
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//[Authorize]
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public class OnlineHub : AbpHub
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{
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public static readonly List<OnlineUserModel> clientUsers = new();
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private readonly static object objLock = new object();
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private HttpContext? _httpContext;
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private ILogger<OnlineHub> _logger => LoggerFactory.CreateLogger<OnlineHub>();
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public OnlineHub(IHttpContextAccessor httpContextAccessor)
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{
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_httpContext = httpContextAccessor?.HttpContext;
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}
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/// <summary>
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/// 成功连接
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/// </summary>
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/// <returns></returns>
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public override Task OnConnectedAsync()
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{
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lock (objLock)
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{
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var name = CurrentUser.UserName;
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var loginUser = new LoginLogEntity().GetInfoByHttpContext(_httpContext);
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OnlineUserModel user = new(Context.ConnectionId)
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{
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Browser = loginUser?.Browser,
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LoginLocation = loginUser?.LoginLocation,
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Ipaddr = loginUser?.LoginIp,
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LoginTime = DateTime.Now,
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Os = loginUser?.Os,
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UserName = name ?? "Null",
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UserId = CurrentUser.Id ?? Guid.Empty
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};
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//已登录
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if (CurrentUser.Id is not null)
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{ //先移除之前的用户id，一个用户只能一个
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clientUsers.RemoveAll(u => u.UserId == CurrentUser.Id);
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_logger.LogInformation($"{DateTime.Now}：{name},{Context.ConnectionId}连接服务端success，当前已连接{clientUsers.Count}个");
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}
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//全部移除之后，再进行添加
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clientUsers.RemoveAll(u => u.ConnnectionId == Context.ConnectionId);
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clientUsers.Add(user);
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//当有人加入，向全部客户端发送当前总数
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Clients.All.SendAsync("onlineNum", clientUsers.Count);
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}
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return base.OnConnectedAsync();
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}
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/// <summary>
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/// 断开连接
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/// </summary>
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/// <param name="exception"></param>
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/// <returns></returns>
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public override Task OnDisconnectedAsync(Exception exception)
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{
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lock (objLock)
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{
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//已登录
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if (CurrentUser.Id is not null)
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{
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clientUsers.RemoveAll(u => u.UserId == CurrentUser.Id);
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_logger.LogInformation($"用户{CurrentUser?.UserName}离开了，当前已连接{clientUsers.Count}个");
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}
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clientUsers.RemoveAll(u => u.ConnnectionId == Context.ConnectionId);
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Clients.All.SendAsync("onlineNum", clientUsers.Count);
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}
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return base.OnDisconnectedAsync(exception);
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}
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}
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} |