/// <summary>
/// 连接重连时触发
/// </summary>
/// <returns></returns>
public override Task OnReconnected()
{
var userName = Context.QueryString["userName"];
var connectionId = Context.ConnectionId;
OnLineUserService.AddOnLineUser(connectionId, userName);
return(base.OnReconnected());
}
/// <summary>
/// 向客户端发送消息
/// </summary>
/// <param name="message">消息</param>
public void Send(Message message)
{
var user = Context.User;
var id = Context.ConnectionId;
var index = Context.User.Identity;
foreach (var userName in message.ReceiveUser)
{
var users = OnLineUserService.GetOnLineUsers(userName);
foreach (var u in users)
{
Clients.Client(u.ConnectionId).addNewMessageToPage(message.SendBy, message.Msg);
}
}
}
/// <summary>
/// 断开连接时触发
/// </summary>
/// <param name="stopCalled">
/// true 客户端关闭连接
/// false 连接超时
/// </param>
/// <returns></returns>
public override Task OnDisconnected(bool stopCalled)
{
/**
* stopCalled
* true 客户端关闭连接
* false 连接超时
* */
var index = 0;
while (!OnLineUserService.RemoveOnLineUser(Context.ConnectionId))
{
if (index++ > 99)
{
/**
* 做日志记录
* 在线用户删除失败
* */
break;
}
}
return(base.OnDisconnected(stopCalled));
}
public List <string> GetAllOnLineUser()
{
return(OnLineUserService.GetAllOnLineUses());
}
/// <summary>
/// 广播更改后的在线用户
/// 有定时器调用
/// </summary>
private void Broadcast()
{
_context.Clients.All.onLineUsersChange(OnLineUserService.GetAllOnLineUses());
}
