package org.apache.bookkeeper.test;
/*
*
* 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.
*
*/
import static org.apache.bookkeeper.util.ClientBase.CONNECTION_TIMEOUT;
import java.lang.InterruptedException;
import java.io.File;
import java.io.IOException;
import java.nio.ByteBuffer;
import junit.framework.TestCase;
import org.junit.*;
import org.apache.bookkeeper.client.BKException;
import org.apache.bookkeeper.client.BookKeeper;
import org.apache.bookkeeper.client.LedgerHandle;
import org.apache.bookkeeper.proto.BookieServer;
import org.apache.bookkeeper.util.ClientBase;
import org.apache.log4j.Logger;
import org.apache.zookeeper.server.NIOServerCnxn;
import org.apache.zookeeper.server.ZooKeeperServer;
import org.apache.zookeeper.server.ServerStats;
import org.apache.zookeeper.KeeperException;
import org.apache.zookeeper.CreateMode;
import org.apache.zookeeper.ZooDefs.Ids;
import org.apache.zookeeper.Watcher;
import org.apache.zookeeper.WatchedEvent;
import org.apache.zookeeper.ZooKeeper;
/**
* This unit test tests closing ledgers sequentially.
* It creates 4 ledgers, then write 1000 entries to each
* ledger and close it.
*
*/
public class CloseTest
extends TestCase
implements Watcher {
static Logger LOG = Logger.getLogger(LedgerRecoveryTest.class);
BookieServer bs1, bs2, bs3;
File tmpDir1, tmpDir2, tmpDir3, tmpDirZK;
private static final String HOSTPORT = "127.0.0.1:33299";
private NIOServerCnxn.Factory serverFactory;
private static String BOOKIEADDR1 = "127.0.0.1:33300";
private static String BOOKIEADDR2 = "127.0.0.1:33301";
private static String BOOKIEADDR3 = "127.0.0.1:33302";
private static void recursiveDelete(File dir) {
File children[] = dir.listFiles();
if (children != null) {
for(File child: children) {
recursiveDelete(child);
}
}
dir.delete();
}
protected void setUp() throws Exception {
/*
* Creates 3 BookieServers
*/
tmpDir1 = File.createTempFile("bookie1", "test");
tmpDir1.delete();
tmpDir1.mkdir();
final int PORT1 = Integer.parseInt(BOOKIEADDR1.split(":")[1]);
bs1 = new BookieServer(PORT1, tmpDir1, new File[] { tmpDir1 });
bs1.start();
tmpDir2 = File.createTempFile("bookie2", "test");
tmpDir2.delete();
tmpDir2.mkdir();
final int PORT2 = Integer.parseInt(BOOKIEADDR2.split(":")[1]);
bs2 = new BookieServer(PORT2, tmpDir2, new File[] { tmpDir2 });
bs2.start();
tmpDir3 = File.createTempFile("bookie3", "test");
tmpDir3.delete();
tmpDir3.mkdir();
final int PORT3 = Integer.parseInt(BOOKIEADDR3.split(":")[1]);
bs3 = new BookieServer(PORT3, tmpDir3, new File[] { tmpDir3 });
bs3.start();
/*
* Instantiates a ZooKeeper server. This is a blind copy
* of setUp from SessionTest.java.
*/
LOG.info("STARTING " + getName());
//ServerStats.registerAsConcrete();
tmpDirZK = ClientBase.createTmpDir();
ClientBase.setupTestEnv();
ZooKeeperServer zs = new ZooKeeperServer(tmpDirZK, tmpDirZK, 3000);
final int PORT = Integer.parseInt(HOSTPORT.split(":")[1]);
serverFactory = new NIOServerCnxn.Factory(PORT);
serverFactory.startup(zs);
assertTrue("waiting for server up",
ClientBase.waitForServerUp(HOSTPORT,
CONNECTION_TIMEOUT));
/*
* Creating necessary znodes
*/
try{
ZooKeeper zk = new ZooKeeper(HOSTPORT, 3000, this);
zk.create("/ledgers", new byte[0], Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
zk.create("/ledgers/available", new byte[0], Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
zk.create("/ledgers/available/" + BOOKIEADDR1, new byte[0], Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT );
zk.create("/ledgers/available/" + BOOKIEADDR2, new byte[0], Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT );
zk.create("/ledgers/available/" + BOOKIEADDR3, new byte[0], Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT );
zk.close();
} catch (KeeperException ke) {
LOG.error(ke);
fail("Couldn't execute ZooKeeper start procedure");
}
}
/**
* Watcher method.
*/
synchronized public void process(WatchedEvent event) {
LOG.info("Process: " + event.getType() + " " + event.getPath());
}
protected void tearDown() throws Exception {
LOG.info("### Tear down ###");
bs1.shutdown();
recursiveDelete(tmpDir1);
bs2.shutdown();
recursiveDelete(tmpDir2);
bs3.shutdown();
recursiveDelete(tmpDir3);
serverFactory.shutdown();
assertTrue("waiting for server down",
ClientBase.waitForServerDown(HOSTPORT,
CONNECTION_TIMEOUT));
//ServerStats.unregister();
recursiveDelete(tmpDirZK);
LOG.info("FINISHED " + getName());
}
@Test
public void testClose(){
/*
* Instantiate BookKeeper object.
*/
BookKeeper bk = null;
try{
bk = new BookKeeper(HOSTPORT);
} catch (KeeperException ke){
LOG.error("Error instantiating BookKeeper", ke);
fail("ZooKeeper error");
} catch (IOException ioe){
LOG.error(ioe);
fail("Failure due to IOException");
}
/*
* Create 4 ledgers.
*/
LedgerHandle lh1 = null;
LedgerHandle lh2 = null;
LedgerHandle lh3 = null;
LedgerHandle lh4 = null;
try{
lh1 = bk.createLedger("".getBytes());
lh2 = bk.createLedger("".getBytes());
lh3 = bk.createLedger("".getBytes());
lh4 = bk.createLedger("".getBytes());
} catch (KeeperException ke){
LOG.error("Error creating a ledger", ke);
fail("ZooKeeper error");
} catch (BKException bke){
LOG.error("BookKeeper error");
fail("BookKeeper error");
} catch (InterruptedException ie) {
LOG.error(ie);
fail("Failure due to interrupted exception");
} catch (IOException ioe) {
LOG.error(ioe);
fail("Failure due to IO exception");
}
/*
* Write a 1000 entries to lh1.
*/
try{
String tmp = "BookKeeper is cool!";
for(int i = 0; i < 1000; i++){
lh1.addEntry(tmp.getBytes());
}
} catch(InterruptedException e){
LOG.error("Interrupted when adding entry", e);
fail("Couldn't finish adding entries");
} catch(BKException e){
LOG.error("BookKeeper exception", e);
fail("BookKeeper exception when adding entries");
}
try{
lh1.close();
} catch(Exception e) {
LOG.error(e);
fail("Exception while closing ledger 1");
}
/*
* Write a 1000 entries to lh2.
*/
try{
String tmp = "BookKeeper is cool!";
for(int i = 0; i < 1000; i++){
lh2.addEntry(tmp.getBytes());
}
} catch(InterruptedException e){
LOG.error("Interrupted when adding entry", e);
fail("Couldn't finish adding entries");
} catch(BKException e){
LOG.error("BookKeeper exception", e);
fail("CBookKeeper exception while adding entries");
}
try{
lh2.close();
} catch(Exception e){
LOG.error(e);
fail("Exception while closing ledger 2");
}
/*
* Write a 1000 entries to lh3 and lh4.
*/
try{
String tmp = "BookKeeper is cool!";
for(int i = 0; i < 1000; i++){
lh3.addEntry(tmp.getBytes());
lh4.addEntry(tmp.getBytes());
}
} catch(InterruptedException e){
LOG.error("Interrupted when adding entry", e);
fail("Couldn't finish adding entries");
} catch(BKException e){
LOG.error("BookKeeper exception", e);
fail("BookKeeper exception when adding entries");
}
try{
lh3.close();
lh4.close();
} catch(Exception e){
LOG.error(e);
fail("Exception while closing ledger 4");
}
}
}