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using System.Threading.Tasks;
using Blog.Core.Common.LogHelper;
using Microsoft.AspNetCore.SignalR;
namespace Blog.Core.Hubs
{
public class ChatHub : Hub<IChatClient>
{
/// <summary>
/// 向指定群组发送信息
/// </summary>
/// <param name="groupName">组名</param>
/// <param name="message">信息内容</param>
/// <returns></returns>
public async Task SendMessageToGroupAsync(string groupName, string message)
{
await Clients.Group(groupName).ReceiveMessage(message);
}
/// <summary>
/// 加入指定组
/// </summary>
/// <param name="groupName">组名</param>
/// <returns></returns>
public async Task AddToGroup(string groupName)
{
await Groups.AddToGroupAsync(Context.ConnectionId, groupName);
}
/// <summary>
/// 退出指定组
/// </summary>
/// <param name="groupName">组名</param>
/// <returns></returns>
public async Task RemoveFromGroup(string groupName)
{
await Groups.RemoveFromGroupAsync(Context.ConnectionId, groupName);
}
/// <summary>
/// 向指定成员发送信息
/// </summary>
/// <param name="user">成员名</param>
/// <param name="message">信息内容</param>
/// <returns></returns>
public async Task SendPrivateMessage(string user, string message)
{
await Clients.User(user).ReceiveMessage(message);
}
/// <summary>
/// 当连接建立时运行
/// </summary>
/// <returns></returns>
public override Task OnConnectedAsync()
{
//TODO..
return base.OnConnectedAsync();
}
/// <summary>
/// 当链接断开时运行
/// </summary>
/// <param name="ex"></param>
/// <returns></returns>
public override Task OnDisconnectedAsync(System.Exception ex)
{
//TODO..
return base.OnDisconnectedAsync(ex);
}
public async Task SendMessage(string user, string message)
{
await Clients.All.ReceiveMessage( user, message);
}
//定于一个通讯管道，用来管理我们和客户端的连接
//1、客户端调用 GetLatestCount，就像订阅
public async Task GetLatestCount(string random)
{
//2、服务端主动向客户端发送数据，名字千万不能错
await Clients.All.ReceiveUpdate(LogLock.GetLogData());
//3、客户端再通过 ReceiveUpdate ，来接收
}
}
}