| /* |
| * |
| * 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.bookkeeper.bookie; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.util.Enumeration; |
| |
| import org.apache.bookkeeper.client.BookKeeper.DigestType; |
| import org.apache.bookkeeper.client.LedgerEntry; |
| import org.apache.bookkeeper.client.LedgerHandle; |
| import org.apache.bookkeeper.test.BookKeeperClusterTestCase; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * This class tests that index corruption cases. |
| */ |
| public class IndexCorruptionTest extends BookKeeperClusterTestCase { |
| private static final Logger LOG = LoggerFactory.getLogger(IndexCorruptionTest.class); |
| |
| DigestType digestType; |
| |
| int pageSize = 1024; |
| |
| public IndexCorruptionTest() { |
| super(1); |
| this.digestType = DigestType.CRC32; |
| baseConf.setPageSize(pageSize); |
| } |
| |
| @Test |
| public void testNoSuchLedger() throws Exception { |
| LOG.debug("Testing NoSuchLedger"); |
| |
| SyncThread syncThread = ((BookieImpl) bs.get(0).getBookie()).syncThread; |
| syncThread.suspendSync(); |
| // Create a ledger |
| LedgerHandle lh = bkc.createLedger(1, 1, digestType, "".getBytes()); |
| |
| // Close the ledger which cause a readEntry(0) call |
| LedgerHandle newLh = bkc.openLedger(lh.getId(), digestType, "".getBytes()); |
| |
| // Create a new ledger to write entries |
| String dummyMsg = "NoSuchLedger"; |
| int numMsgs = 3; |
| LedgerHandle wlh = bkc.createLedger(1, 1, digestType, "".getBytes()); |
| for (int i = 0; i < numMsgs; i++) { |
| wlh.addEntry(dummyMsg.getBytes()); |
| } |
| |
| syncThread.resumeSync(); |
| |
| // trigger sync |
| Thread.sleep(2 * baseConf.getFlushInterval()); |
| |
| // restart bookies |
| restartBookies(); |
| |
| Enumeration<LedgerEntry> seq = wlh.readEntries(0, numMsgs - 1); |
| assertTrue("Enumeration of ledger entries has no element", seq.hasMoreElements()); |
| int entryId = 0; |
| while (seq.hasMoreElements()) { |
| LedgerEntry e = seq.nextElement(); |
| assertEquals(entryId, e.getEntryId()); |
| |
| assertArrayEquals(dummyMsg.getBytes(), e.getEntry()); |
| ++entryId; |
| } |
| assertEquals(entryId, numMsgs); |
| } |
| |
| @Test |
| public void testEmptyIndexPage() throws Exception { |
| LOG.debug("Testing EmptyIndexPage"); |
| |
| SyncThread syncThread = ((BookieImpl) bs.get(0).getBookie()).syncThread; |
| assertNotNull("Not found SyncThread.", syncThread); |
| |
| syncThread.suspendSync(); |
| |
| // Create a ledger |
| LedgerHandle lh1 = bkc.createLedger(1, 1, digestType, "".getBytes()); |
| |
| String dummyMsg = "NoSuchLedger"; |
| |
| // write two page entries to ledger 2 |
| int numMsgs = 2 * pageSize / 8; |
| LedgerHandle lh2 = bkc.createLedger(1, 1, digestType, "".getBytes()); |
| for (int i = 0; i < numMsgs; i++) { |
| lh2.addEntry(dummyMsg.getBytes()); |
| } |
| |
| syncThread.resumeSync(); |
| |
| // trigger sync |
| Thread.sleep(2 * baseConf.getFlushInterval()); |
| |
| syncThread.suspendSync(); |
| |
| // Close ledger 1 which cause a readEntry(0) call |
| LedgerHandle newLh1 = bkc.openLedger(lh1.getId(), digestType, "".getBytes()); |
| |
| // write another 3 entries to ledger 2 |
| for (int i = 0; i < 3; i++) { |
| lh2.addEntry(dummyMsg.getBytes()); |
| } |
| |
| syncThread.resumeSync(); |
| |
| // wait for sync again |
| Thread.sleep(2 * baseConf.getFlushInterval()); |
| |
| // restart bookies |
| restartBookies(); |
| |
| numMsgs += 3; |
| Enumeration<LedgerEntry> seq = lh2.readEntries(0, numMsgs - 1); |
| assertTrue("Enumeration of ledger entries has no element", seq.hasMoreElements()); |
| int entryId = 0; |
| while (seq.hasMoreElements()) { |
| LedgerEntry e = seq.nextElement(); |
| assertEquals(entryId, e.getEntryId()); |
| |
| assertArrayEquals(dummyMsg.getBytes(), e.getEntry()); |
| ++entryId; |
| } |
| assertEquals(entryId, numMsgs); |
| } |
| } |