/// <summary>
/// 等待直到zk连接成功。
/// </summary>
/// <param name="client">zk客户端。</param>
/// <param name="timeout">最长等待时间。</param>
/// <returns>如果成功则返回true，否则返回false。</returns>
public static bool WaitUntilConnected(this IZookeeperClient client, TimeSpan timeout)
{
return(client.WaitForKeeperState(Watcher.Event.KeeperState.SyncConnected, timeout));
}
