/// <summary>
/// 无论是SuperSocket还是WebSocket都需要心跳包，需要健康检查，每隔多长时间去发送一条消息，浏览器定时发送消息给服务器，
/// 服务器接收到某一条特定的消息之后，马上回复给浏览器，那就表示连接是正常的；否则就需要去重新连接，其实就是短信重连；
/// </summary>
/// <param name="aspNetWebSocketContext"></param>
/// <returns></returns>
public async Task handSocket(AspNetWebSocketContext aspNetWebSocketContext)
{
WebSocket socket = aspNetWebSocketContext.WebSocket;
//保存起来
SocketManger.AddSocket(_name, Guid.NewGuid().ToString(), socket);
CancellationToken token = new CancellationToken();
while (socket.State == WebSocketState.Open)
{
ArraySegment <byte> buffer = new ArraySegment <byte>(new byte[8192]);
WebSocketReceiveResult result = await socket.ReceiveAsync(buffer, token);
string userMessage = Encoding.UTF8.GetString(buffer.Array, 0, result.Count);
if (!string.IsNullOrEmpty(userMessage))
{
//前端调用关闭事件
if (result.MessageType == WebSocketMessageType.Close)
{
//如果是群聊的话，则要把该用户从Socket的list中移除
await socket.CloseAsync(WebSocketCloseStatus.NormalClosure, string.Empty, token);
}
else
{
SocketManger.SendOne(userMessage, token);
}
}
}
}
