/// <summary>
/// 用户连接方法重写
/// </summary>
/// <returns></returns>
public override Task OnConnectedAsync()
{
IHttpContextAccessor httpContextAccessor = ServiceContext.GetService <IHttpContextAccessor>();
string userId = string.Empty;
if (httpContextAccessor.HttpContext.Session.GetString("UserId") != null)
{
userId = httpContextAccessor.HttpContext.Session.GetString("UserId");
}
SignalRCore.AddUser(new SignalRUser()
{
UserId = userId,
ConnectionId = Context.ConnectionId
});
//表示当前用户已经登录
if (userId != string.Empty)
{
//推送指定消息记录
SignalRCore.PushCurrentUserMessage(userId, this);
}
return(base.OnConnectedAsync());
}
/// <summary>
/// 用户断开连接方法重写
/// </summary>
/// <param name="exception"></param>
/// <returns></returns>
public override Task OnDisconnectedAsync(Exception exception)
{
SignalRCore.RemoveUser(Context.ConnectionId);
return(base.OnDisconnectedAsync(exception));
}
