001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.wal;
019
020import java.io.IOException;
021import java.util.List;
022import org.apache.hadoop.conf.Configuration;
023import org.apache.hadoop.fs.FileSystem;
024import org.apache.hadoop.fs.Path;
025import org.apache.hadoop.hbase.HBaseClassTestRule;
026import org.apache.hadoop.hbase.regionserver.wal.FSHLog;
027import org.apache.hadoop.hbase.regionserver.wal.WALActionsListener;
028import org.apache.hadoop.hbase.testclassification.MediumTests;
029import org.apache.hadoop.hbase.testclassification.RegionServerTests;
030import org.apache.hadoop.hbase.util.CommonFSUtils;
031import org.junit.AfterClass;
032import org.junit.BeforeClass;
033import org.junit.ClassRule;
034import org.junit.experimental.categories.Category;
035
036/**
037 * Testcase for HBASE-22539
038 */
039@Category({ RegionServerTests.class, MediumTests.class })
040public class TestFSHLogCorruptionDueToDanglingByteBuffer
041  extends WALCorruptionDueToDanglingByteBufferTestBase {
042
043  @ClassRule
044  public static final HBaseClassTestRule CLASS_RULE =
045    HBaseClassTestRule.forClass(TestFSHLogCorruptionDueToDanglingByteBuffer.class);
046
047  public static final class PauseWAL extends FSHLog {
048
049    public PauseWAL(FileSystem fs, Path rootDir, String logDir, String archiveDir,
050      Configuration conf, List<WALActionsListener> listeners, boolean failIfWALExists,
051      String prefix, String suffix) throws IOException {
052      super(fs, rootDir, logDir, archiveDir, conf, listeners, failIfWALExists, prefix, suffix);
053    }
054
055    @Override
056    protected void atHeadOfRingBufferEventHandlerAppend() {
057      if (ARRIVE != null) {
058        ARRIVE.countDown();
059        try {
060          RESUME.await();
061        } catch (InterruptedException e) {
062        }
063      }
064    }
065  }
066
067  public static final class PauseWALProvider extends AbstractFSWALProvider<PauseWAL> {
068
069    @Override
070    protected PauseWAL createWAL() throws IOException {
071      return new PauseWAL(CommonFSUtils.getWALFileSystem(conf), CommonFSUtils.getWALRootDir(conf),
072        getWALDirectoryName(factory.factoryId), getWALArchiveDirectoryName(conf, factory.factoryId),
073        conf, listeners, true, logPrefix,
074        META_WAL_PROVIDER_ID.equals(providerId) ? META_WAL_PROVIDER_ID : null);
075    }
076
077    @Override
078    protected void doInit(Configuration conf) throws IOException {
079    }
080  }
081
082  @BeforeClass
083  public static void setUp() throws Exception {
084    UTIL.getConfiguration().setClass(WALFactory.WAL_PROVIDER, PauseWALProvider.class,
085      WALProvider.class);
086    UTIL.startMiniCluster(1);
087    UTIL.createTable(TABLE_NAME, CF);
088    UTIL.waitTableAvailable(TABLE_NAME);
089  }
090
091  @AfterClass
092  public static void tearDown() throws Exception {
093    UTIL.shutdownMiniCluster();
094  }
095}