Пример #1
0
        /// <summary>
        /// 添加临时直接点
        /// </summary>
        /// <param name="zk"></param>
        /// <param name="path"></param>
        /// <param name="data"></param>
        public static void AddTmpChildNode(this ZooKeeper.Net.ZooKeeper zk, string path, byte[] data)
        {
            //添加监控时同时增加临时节点,表明客户端已经下载过节点数据,删除节点部分工作由服务端进行
            string nodePath = string.Format("{0}/{1}", path, Guid.NewGuid());

            zk.Create(nodePath, data, Ids.OPEN_ACL_UNSAFE, CreateMode.Ephemeral);//注意使用的是临时节点
        }
Пример #2
0
        /// <summary>
        /// 移除临时子节点,表明该节点目前已更新,客户端需要重新下载
        /// </summary>
        /// <param name="zk"></param>
        /// <param name="path"></param>
        public static void RemoveTmpChildNode(this ZooKeeper.Net.ZooKeeper zk, string path)
        {
            var childs = zk.GetChildren(path, false);

            if (childs != null && childs.Any())
            {
                foreach (var child in childs)
                {
                    zk.Delete(string.Format("{0}/{1}", path, child), -1);
                }
            }
        }
Пример #3
0
 /// <summary>
 ///
 /// </summary>
 private void Connect()
 {
     latch     = new CountDownLatch(1);
     ZooKeeper = new ZooKeeper.Net.ZooKeeper(_connectionString, TimeSpan.FromMilliseconds(_sessionTimeOut), this);
     try
     {
         latch.Await(_connectTimeOut);
     }
     catch (Exception)
     {
         //Connect TimeOut
     }
 }
Пример #4
0
        /// <summary>
        ///
        /// </summary>
        /// <param name="zk"></param>
        /// <param name="path"></param>
        /// <param name="data"></param>
        /// <param name="acl"></param>
        /// <param name="createMode"></param>
        /// <returns></returns>
        public static string CreateWithPath(this ZooKeeper.Net.ZooKeeper zk, string path, byte[] data, IEnumerable <ACL> acl, CreateMode createMode)
        {
            var tmp = path.Split(new char[] { '/' }, StringSplitOptions.RemoveEmptyEntries);

            if (path.Length > 1)
            {
                string tmpPath = "";
                for (var i = 0; i < tmp.Length - 1; i++)
                {
                    tmpPath += "/" + tmp[i];
                    if (zk.Exists(tmpPath, false) == null)
                    {
                        zk.Create(tmpPath, null, acl, createMode);//临时节点目前不允许存在子节点,所以这里可能会有问题
                    }
                }
            }
            return(zk.Create(path, data, acl, createMode));
        }
Пример #5
0
 /// <summary>
 /// Initializes a new instance of the <see cref="ClientConnection"/> class.
 /// </summary>
 /// <param name="hosts">The hosts.</param>
 /// <param name="sessionTimeout">The session timeout.</param>
 /// <param name="zooKeeper">The zoo keeper.</param>
 /// <param name="watcher">The watch manager.</param>
 /// <param name="sessionId">The session id.</param>
 /// <param name="sessionPasswd">The session passwd.</param>
 public ClientConnection(string hosts, TimeSpan sessionTimeout, ZooKeeper zooKeeper, ZKWatchManager watcher, long sessionId, byte[] sessionPasswd)
     : this(hosts, sessionTimeout, zooKeeper, watcher, 0, new byte[16], DefaultConnectTimeout)
 {
 }
Пример #6
0
 /// <summary>
 /// Initializes a new instance of the <see cref="ClientConnection"/> class.
 /// </summary>
 /// <param name="connectionString">The connection string.</param>
 /// <param name="sessionTimeout">The session timeout.</param>
 /// <param name="zooKeeper">The zoo keeper.</param>
 /// <param name="watcher">The watch manager.</param>
 /// <param name="connectTimeout">Connection Timeout.</param>
 public ClientConnection(string connectionString, TimeSpan sessionTimeout, ZooKeeper zooKeeper, ZKWatchManager watcher, TimeSpan connectTimeout) :
     this(connectionString, sessionTimeout, zooKeeper, watcher, 0, new byte[16], connectTimeout)
 {
 }
Пример #7
0
 /**
  * Make sure all the nodes in the path are created. NOTE: Unlike File.mkdirs(), Zookeeper doesn't distinguish
  * between directories and files. So, every node in the path is created. The data for each node is an empty blob
  *
  * @param zookeeper the client
  * @param path      path to ensure
  * @throws InterruptedException thread interruption
  * @throws org.apache.zookeeper.KeeperException
  *                              Zookeeper errors
  */
 public static void Mkdirs(ZooKeeper zookeeper, String path)
 {
     Mkdirs(zookeeper, path, true);
 }