/**
* 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.zookeeper.test;
import static org.apache.zookeeper.test.ClientBase.CONNECTION_TIMEOUT;
import java.io.IOException;
import java.util.LinkedList;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.zookeeper.CreateMode;
import org.apache.zookeeper.KeeperException;
import org.apache.zookeeper.WatchedEvent;
import org.apache.zookeeper.Watcher;
import org.apache.zookeeper.ZKTestCase;
import org.apache.zookeeper.ZooKeeper;
import org.apache.zookeeper.AsyncCallback.DataCallback;
import org.apache.zookeeper.AsyncCallback.StringCallback;
import org.apache.zookeeper.AsyncCallback.VoidCallback;
import org.apache.zookeeper.KeeperException.Code;
import org.apache.zookeeper.Watcher.Event.KeeperState;
import org.apache.zookeeper.ZooDefs.Ids;
import org.apache.zookeeper.data.Stat;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
public class AsyncTest extends ZKTestCase
implements StringCallback, VoidCallback, DataCallback
{
private static final Logger LOG = LoggerFactory.getLogger(AsyncTest.class);
private QuorumBase qb = new QuorumBase();
@Before
public void setUp() throws Exception {
qb.setUp();
}
public void restart() throws Exception {
JMXEnv.setUp();
qb.startServers();
}
@After
public void tearDown() throws Exception {
LOG.info("Test clients shutting down");
qb.tearDown();
}
private static class CountdownWatcher implements Watcher {
volatile CountDownLatch clientConnected = new CountDownLatch(1);
public void process(WatchedEvent event) {
if (event.getState() == KeeperState.SyncConnected) {
clientConnected.countDown();
}
}
}
private ZooKeeper createClient() throws IOException,InterruptedException {
return createClient(qb.hostPort);
}
private ZooKeeper createClient(String hp)
throws IOException, InterruptedException
{
CountdownWatcher watcher = new CountdownWatcher();
ZooKeeper zk = new ZooKeeper(hp, CONNECTION_TIMEOUT, watcher);
if(!watcher.clientConnected.await(CONNECTION_TIMEOUT,
TimeUnit.MILLISECONDS))
{
Assert.fail("Unable to connect to server");
}
return zk;
}
LinkedList<Integer> results = new LinkedList<Integer>();
@Test
public void testAsync()
throws IOException, InterruptedException, KeeperException
{
ZooKeeper zk = null;
zk = createClient();
try {
zk.addAuthInfo("digest", "ben:passwd".getBytes());
zk.create("/ben", new byte[0], Ids.READ_ACL_UNSAFE, CreateMode.PERSISTENT, this, results);
zk.create("/ben/2", new byte[0], Ids.CREATOR_ALL_ACL, CreateMode.PERSISTENT, this, results);
zk.delete("/ben", -1, this, results);
zk.create("/ben2", new byte[0], Ids.CREATOR_ALL_ACL, CreateMode.PERSISTENT, this, results);
zk.getData("/ben2", false, this, results);
synchronized (results) {
while (results.size() < 5) {
results.wait();
}
}
Assert.assertEquals(0, (int) results.get(0));
Assert.assertEquals(Code.NOAUTH, Code.get(results.get(1)));
Assert.assertEquals(0, (int) results.get(2));
Assert.assertEquals(0, (int) results.get(3));
Assert.assertEquals(0, (int) results.get(4));
} finally {
zk.close();
}
zk = createClient();
try {
zk.addAuthInfo("digest", "ben:passwd2".getBytes());
try {
zk.getData("/ben2", false, new Stat());
Assert.fail("Should have received a permission error");
} catch (KeeperException e) {
Assert.assertEquals(Code.NOAUTH, e.code());
}
} finally {
zk.close();
}
zk = createClient();
try {
zk.addAuthInfo("digest", "ben:passwd".getBytes());
zk.getData("/ben2", false, new Stat());
} finally {
zk.close();
}
}
@SuppressWarnings("unchecked")
public void processResult(int rc, String path, Object ctx, String name) {
synchronized(ctx) {
((LinkedList<Integer>)ctx).add(rc);
ctx.notifyAll();
}
}
@SuppressWarnings("unchecked")
public void processResult(int rc, String path, Object ctx) {
synchronized(ctx) {
((LinkedList<Integer>)ctx).add(rc);
ctx.notifyAll();
}
}
@SuppressWarnings("unchecked")
public void processResult(int rc, String path, Object ctx, byte[] data,
Stat stat) {
synchronized(ctx) {
((LinkedList<Integer>)ctx).add(rc);
ctx.notifyAll();
}
}
}