| /** |
| * 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. |
| */ |
| package org.apache.curator.test; |
| |
| import org.apache.zookeeper.server.ServerCnxnFactory; |
| import org.apache.zookeeper.server.ServerConfig; |
| import org.apache.zookeeper.server.ZKDatabase; |
| import org.apache.zookeeper.server.ZooKeeperServer; |
| import org.apache.zookeeper.server.ZooKeeperServerMain; |
| import org.apache.zookeeper.server.quorum.QuorumPeer; |
| import org.apache.zookeeper.server.quorum.QuorumPeerConfig; |
| import java.io.IOException; |
| import java.lang.reflect.Field; |
| import java.nio.channels.ServerSocketChannel; |
| import java.util.concurrent.CountDownLatch; |
| |
| public class TestingZooKeeperMain extends ZooKeeperServerMain implements ZooKeeperMainFace |
| { |
| private final CountDownLatch latch = new CountDownLatch(1); |
| |
| private static final int MAX_WAIT_MS = 1000; |
| |
| @Override |
| public void kill() |
| { |
| try |
| { |
| Field cnxnFactoryField = ZooKeeperServerMain.class.getDeclaredField("cnxnFactory"); |
| cnxnFactoryField.setAccessible(true); |
| ServerCnxnFactory cnxnFactory = (ServerCnxnFactory)cnxnFactoryField.get(this); |
| cnxnFactory.closeAll(); |
| |
| Field ssField = cnxnFactory.getClass().getDeclaredField("ss"); |
| ssField.setAccessible(true); |
| ServerSocketChannel ss = (ServerSocketChannel)ssField.get(cnxnFactory); |
| ss.close(); |
| |
| close(); |
| } |
| catch ( Exception e ) |
| { |
| e.printStackTrace(); // just ignore - this class is only for testing |
| } |
| } |
| |
| @Override |
| public void runFromConfig(QuorumPeerConfig config) throws Exception |
| { |
| ServerConfig serverConfig = new ServerConfig(); |
| serverConfig.readFrom(config); |
| latch.countDown(); |
| super.runFromConfig(serverConfig); |
| } |
| |
| @Override |
| public QuorumPeer getQuorumPeer() |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @SuppressWarnings("SynchronizationOnLocalVariableOrMethodParameter") |
| @Override |
| public void blockUntilStarted() throws Exception |
| { |
| latch.await(); |
| |
| ServerCnxnFactory cnxnFactory = getServerConnectionFactory(); |
| if ( cnxnFactory != null ) |
| { |
| final ZooKeeperServer zkServer = getZooKeeperServer(cnxnFactory); |
| if ( zkServer != null ) |
| { |
| synchronized ( zkServer ) |
| { |
| if ( !zkServer.isRunning() ) |
| { |
| zkServer.wait(); |
| } |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void close() throws IOException |
| { |
| shutdown(); |
| |
| try |
| { |
| ServerCnxnFactory cnxnFactory = getServerConnectionFactory(); |
| if ( cnxnFactory != null ) |
| { |
| ZooKeeperServer zkServer = getZooKeeperServer(cnxnFactory); |
| if ( zkServer != null ) |
| { |
| ZKDatabase zkDb = zkServer.getZKDatabase(); |
| if ( zkDb != null ) |
| { |
| // make ZK server close its log files |
| zkDb.close(); |
| } |
| } |
| } |
| } |
| catch ( Exception e ) |
| { |
| e.printStackTrace(); // just ignore - this class is only for testing |
| } |
| } |
| |
| private ServerCnxnFactory getServerConnectionFactory() throws Exception |
| { |
| Field cnxnFactoryField = ZooKeeperServerMain.class.getDeclaredField("cnxnFactory"); |
| cnxnFactoryField.setAccessible(true); |
| ServerCnxnFactory cnxnFactory; |
| |
| // Wait until the cnxnFactory field is non-null or up to 1s, whichever comes first. |
| long startTime = System.currentTimeMillis(); |
| do |
| { |
| cnxnFactory = (ServerCnxnFactory)cnxnFactoryField.get(this); |
| } |
| while ( (cnxnFactory == null) && ((System.currentTimeMillis() - startTime) < MAX_WAIT_MS) ); |
| |
| return cnxnFactory; |
| } |
| |
| private ZooKeeperServer getZooKeeperServer(ServerCnxnFactory cnxnFactory) throws Exception |
| { |
| Field zkServerField = ServerCnxnFactory.class.getDeclaredField("zkServer"); |
| zkServerField.setAccessible(true); |
| ZooKeeperServer zkServer; |
| |
| // Wait until the zkServer field is non-null or up to 1s, whichever comes first. |
| long startTime = System.currentTimeMillis(); |
| do |
| { |
| zkServer = (ZooKeeperServer)zkServerField.get(cnxnFactory); |
| } |
| while ( (zkServer == null) && ((System.currentTimeMillis() - startTime) < MAX_WAIT_MS) ); |
| |
| return zkServer; |
| } |
| } |