| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| /** |
| * This file is derived from ZooKeeperUtil from Apache BookKeeper |
| * http://bookkeeper.apache.org |
| */ |
| |
| package org.apache.bookkeeper.test; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| import java.util.List; |
| import java.util.concurrent.CountDownLatch; |
| |
| import org.apache.bookkeeper.zookeeper.ZooKeeperClient; |
| import org.apache.commons.io.FileUtils; |
| import org.apache.zookeeper.CreateMode; |
| import org.apache.zookeeper.ZooDefs.Ids; |
| import org.apache.zookeeper.ZooKeeper; |
| import org.apache.zookeeper.server.NIOServerCnxnFactory; |
| import org.apache.zookeeper.server.ZooKeeperServer; |
| import org.apache.zookeeper.test.ClientBase; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.testng.Assert; |
| |
| public class ZooKeeperUtil { |
| static final Logger LOG = LoggerFactory.getLogger(ZooKeeperUtil.class); |
| |
| // ZooKeeper related variables |
| protected int zooKeeperPort; |
| private InetSocketAddress zkaddr; |
| |
| protected ZooKeeperServer zks; |
| protected ZooKeeper zkc; // zookeeper client |
| protected NIOServerCnxnFactory serverFactory; |
| protected File ZkTmpDir; |
| private String connectString; |
| |
| public ZooKeeperUtil() { |
| } |
| |
| public ZooKeeper getZooKeeperClient() { |
| return zkc; |
| } |
| |
| public String getZooKeeperConnectString() { |
| return connectString; |
| } |
| |
| public void startServer() throws Exception { |
| // create a ZooKeeper server(dataDir, dataLogDir, port) |
| LOG.debug("Running ZK server"); |
| // ServerStats.registerAsConcrete(); |
| ClientBase.setupTestEnv(); |
| ZkTmpDir = File.createTempFile("zookeeper", "test"); |
| ZkTmpDir.delete(); |
| ZkTmpDir.mkdir(); |
| |
| zks = new ZooKeeperServer(ZkTmpDir, ZkTmpDir, ZooKeeperServer.DEFAULT_TICK_TIME); |
| serverFactory = new NIOServerCnxnFactory(); |
| serverFactory.configure(zkaddr, 100); |
| serverFactory.startup(zks); |
| |
| zooKeeperPort = serverFactory.getLocalPort(); |
| zkaddr = new InetSocketAddress(zooKeeperPort); |
| connectString = "localhost:" + zooKeeperPort; |
| |
| boolean b = ClientBase.waitForServerUp(getZooKeeperConnectString(), ClientBase.CONNECTION_TIMEOUT); |
| LOG.debug("Server up: " + b); |
| |
| // create a zookeeper client |
| LOG.debug("Instantiate ZK Client"); |
| zkc = ZooKeeperClient.newBuilder().connectString(getZooKeeperConnectString()).build(); |
| |
| // initialize the zk client with values |
| zkc.create("/ledgers", new byte[0], Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT); |
| zkc.create("/ledgers/available", new byte[0], Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT); |
| } |
| |
| public void startServer(String path) throws Exception { |
| LOG.debug("Running ZK server"); |
| // ServerStats.registerAsConcrete(); |
| ClientBase.setupTestEnv(); |
| ZkTmpDir = File.createTempFile("zookeeper", "test"); |
| ZkTmpDir.delete(); |
| ZkTmpDir.mkdir(); |
| |
| zks = new ZooKeeperServer(ZkTmpDir, ZkTmpDir, ZooKeeperServer.DEFAULT_TICK_TIME); |
| serverFactory = new NIOServerCnxnFactory(); |
| serverFactory.configure(zkaddr, 100); |
| serverFactory.startup(zks); |
| |
| zooKeeperPort = serverFactory.getLocalPort(); |
| connectString = "localhost:" + zooKeeperPort; |
| boolean b = ClientBase.waitForServerUp(getZooKeeperConnectString(), ClientBase.CONNECTION_TIMEOUT); |
| LOG.debug("Server up: " + b); |
| |
| // create a zookeeper client |
| LOG.debug("Instantiate ZK Client"); |
| zkc = ZooKeeperClient.newBuilder().connectString(getZooKeeperConnectString()).build(); |
| if (path != "") { |
| zkc.create(path, new byte[0], Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT); |
| } |
| // initialize the zk client with values |
| zkc.create(path + "/ledgers", new byte[0], Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT); |
| zkc.create(path +"/ledgers/available", new byte[0], Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT); |
| } |
| |
| @SuppressWarnings("deprecation") |
| public void sleepServer(final int seconds, final CountDownLatch l) throws InterruptedException, IOException { |
| Thread[] allthreads = new Thread[Thread.activeCount()]; |
| Thread.enumerate(allthreads); |
| for (final Thread t : allthreads) { |
| if (t.getName().contains("SyncThread:0")) { |
| Thread sleeper = new Thread() { |
| public void run() { |
| try { |
| t.suspend(); |
| l.countDown(); |
| Thread.sleep(seconds * 1000); |
| t.resume(); |
| } catch (Exception e) { |
| LOG.error("Error suspending thread", e); |
| } |
| } |
| }; |
| sleeper.start(); |
| return; |
| } |
| } |
| throw new IOException("ZooKeeper thread not found"); |
| } |
| |
| public void killServer() throws Exception { |
| if (zkc != null) { |
| zkc.close(); |
| } |
| |
| // shutdown ZK server |
| if (serverFactory != null) { |
| serverFactory.shutdown(); |
| Assert.assertTrue(ClientBase.waitForServerDown(getZooKeeperConnectString(), ClientBase.CONNECTION_TIMEOUT), |
| "waiting for server down"); |
| } |
| if (zks != null) { |
| zks.getTxnLogFactory().close(); |
| } |
| // ServerStats.unregister(); |
| FileUtils.deleteDirectory(ZkTmpDir); |
| } |
| } |