Warning: file_put_contents(/www/wwwroot/ppbbu/62383.com/cache/f75c6ef922c65abc2261611c44dfcea0.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/62383.com/index.php on line 55 keepalive message是什么意思，keepalive message的翻译，keepalive message音标、读音、用法和例句_流逝汉英词典
In order to maintain presence, the chat application can send keep-alive messages on the websocket to prevent it being closed due to an idle timeout. 为了保持存在的状态，聊天应用要发送“连接保持（Keep Alive）”的消息给WebSocket，来避免该连接因为闲置超时而关闭。