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ManagedLedgerTest.java
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ManagedLedgerTest.java
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/*
* 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.mledger.impl;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.ArgumentMatchers.anyMap;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.atLeast;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.doNothing;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertFalse;
import static org.testng.Assert.assertNotEquals;
import static org.testng.Assert.assertNotNull;
import static org.testng.Assert.assertNull;
import static org.testng.Assert.assertSame;
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.fail;
import com.google.common.collect.Sets;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import io.netty.util.concurrent.DefaultThreadFactory;
import java.lang.reflect.Field;
import java.nio.ReadOnlyBufferException;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.security.GeneralSecurityException;
import java.time.Duration;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.NavigableMap;
import java.util.Optional;
import java.util.Queue;
import java.util.Set;
import java.util.UUID;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.CyclicBarrier;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.FutureTask;
import java.util.concurrent.RejectedExecutionException;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicReference;
import java.util.function.Predicate;
import lombok.Cleanup;
import lombok.Data;
import lombok.extern.slf4j.Slf4j;
import org.apache.bookkeeper.client.AsyncCallback;
import org.apache.bookkeeper.client.AsyncCallback.AddCallback;
import org.apache.bookkeeper.client.BKException;
import org.apache.bookkeeper.client.BookKeeper;
import org.apache.bookkeeper.client.BookKeeper.DigestType;
import org.apache.bookkeeper.client.EnsemblePlacementPolicy;
import org.apache.bookkeeper.client.LedgerHandle;
import org.apache.bookkeeper.client.PulsarMockBookKeeper;
import org.apache.bookkeeper.client.PulsarMockLedgerHandle;
import org.apache.bookkeeper.client.api.LedgerEntries;
import org.apache.bookkeeper.client.api.LedgerMetadata;
import org.apache.bookkeeper.client.api.ReadHandle;
import org.apache.bookkeeper.common.util.BoundedScheduledExecutorService;
import org.apache.bookkeeper.common.util.OrderedScheduler;
import org.apache.bookkeeper.conf.ClientConfiguration;
import org.apache.bookkeeper.mledger.AsyncCallbacks;
import org.apache.bookkeeper.mledger.AsyncCallbacks.AddEntryCallback;
import org.apache.bookkeeper.mledger.AsyncCallbacks.CloseCallback;
import org.apache.bookkeeper.mledger.AsyncCallbacks.DeleteLedgerCallback;
import org.apache.bookkeeper.mledger.AsyncCallbacks.MarkDeleteCallback;
import org.apache.bookkeeper.mledger.AsyncCallbacks.OpenCursorCallback;
import org.apache.bookkeeper.mledger.AsyncCallbacks.OpenLedgerCallback;
import org.apache.bookkeeper.mledger.AsyncCallbacks.ReadEntriesCallback;
import org.apache.bookkeeper.mledger.AsyncCallbacks.ReadEntryCallback;
import org.apache.bookkeeper.mledger.Entry;
import org.apache.bookkeeper.mledger.LedgerOffloader;
import org.apache.bookkeeper.mledger.ManagedCursor;
import org.apache.bookkeeper.mledger.ManagedCursor.IndividualDeletedEntries;
import org.apache.bookkeeper.mledger.ManagedLedger;
import org.apache.bookkeeper.mledger.ManagedLedgerConfig;
import org.apache.bookkeeper.mledger.ManagedLedgerException;
import org.apache.bookkeeper.mledger.ManagedLedgerException.ManagedLedgerFencedException;
import org.apache.bookkeeper.mledger.ManagedLedgerException.ManagedLedgerNotFoundException;
import org.apache.bookkeeper.mledger.ManagedLedgerException.MetaStoreException;
import org.apache.bookkeeper.mledger.ManagedLedgerFactory;
import org.apache.bookkeeper.mledger.ManagedLedgerFactoryConfig;
import org.apache.bookkeeper.mledger.ManagedLedgerFactoryMXBean;
import org.apache.bookkeeper.mledger.Position;
import org.apache.bookkeeper.mledger.impl.ManagedCursorImpl.VoidCallback;
import org.apache.bookkeeper.mledger.impl.MetaStore.MetaStoreCallback;
import org.apache.bookkeeper.mledger.impl.cache.EntryCache;
import org.apache.bookkeeper.mledger.impl.cache.EntryCacheManager;
import org.apache.bookkeeper.mledger.proto.MLDataFormats;
import org.apache.bookkeeper.mledger.proto.MLDataFormats.ManagedLedgerInfo;
import org.apache.bookkeeper.mledger.proto.MLDataFormats.ManagedLedgerInfo.LedgerInfo;
import org.apache.bookkeeper.mledger.util.Futures;
import org.apache.bookkeeper.test.MockedBookKeeperTestCase;
import org.apache.commons.lang3.exception.ExceptionUtils;
import org.apache.commons.lang3.mutable.MutableBoolean;
import org.apache.commons.lang3.mutable.MutableObject;
import org.apache.commons.lang3.tuple.Pair;
import org.apache.pulsar.common.api.proto.CommandSubscribe.InitialPosition;
import org.apache.pulsar.common.policies.data.EnsemblePlacementPolicyConfig;
import org.apache.pulsar.common.policies.data.OffloadPoliciesImpl;
import org.apache.pulsar.common.util.FutureUtil;
import org.apache.pulsar.metadata.api.MetadataStoreException;
import org.apache.pulsar.metadata.api.Stat;
import org.apache.pulsar.metadata.api.extended.SessionEvent;
import org.apache.pulsar.metadata.impl.FaultInjectionMetadataStore;
import org.awaitility.Awaitility;
import org.awaitility.reflect.WhiteboxImpl;
import org.mockito.Mockito;
import org.testng.Assert;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
@Slf4j
public class ManagedLedgerTest extends MockedBookKeeperTestCase {
private static final Charset Encoding = StandardCharsets.UTF_8;
@DataProvider(name = "checkOwnershipFlag")
public Object[][] checkOwnershipFlagProvider() {
return new Object[][] { { Boolean.TRUE }, { Boolean.FALSE } };
}
private void makeAddEntryTimeout(ManagedLedgerImpl ml, AtomicBoolean addEntryFinished) throws Exception {
LedgerHandle currentLedger = ml.currentLedger;
final LedgerHandle spyLedgerHandle = spy(currentLedger);
doAnswer(invocation -> {
ByteBuf bs = (ByteBuf) invocation.getArguments()[0];
AddCallback addCallback = (AddCallback) invocation.getArguments()[1];
Object originalContext = invocation.getArguments()[2];
currentLedger.asyncAddEntry(bs, (rc, lh, entryId, ctx) -> {
addEntryFinished.set(true);
addCallback.addComplete(BKException.Code.TimeoutException, spyLedgerHandle, -1, ctx);
}, originalContext);
return null;
}).when(spyLedgerHandle).asyncAddEntry(any(ByteBuf.class), any(AddCallback.class), any());
ml.currentLedger = spyLedgerHandle;
}
@Data
private static class DeleteLedgerInfo{
volatile boolean hasCalled;
volatile CompletableFuture<Void> future = new CompletableFuture<>();
}
private DeleteLedgerInfo makeDelayIfDoLedgerDelete(LedgerHandle ledger, final AtomicBoolean signal,
BookKeeper spyBookKeeper) {
DeleteLedgerInfo deleteLedgerInfo = new DeleteLedgerInfo();
doAnswer(invocation -> {
long ledgerId = (long) invocation.getArguments()[0];
AsyncCallback.DeleteCallback originalCb = (AsyncCallback.DeleteCallback) invocation.getArguments()[1];
AsyncCallback.DeleteCallback cb = (rc, ctx) -> {
if (deleteLedgerInfo.hasCalled) {
deleteLedgerInfo.future.complete(null);
}
originalCb.deleteComplete(rc, ctx);
};
Object ctx = invocation.getArguments()[2];
if (ledgerId != ledger.getId()){
bkc.asyncDeleteLedger(ledgerId, originalCb, ctx);
} else {
deleteLedgerInfo.hasCalled = true;
cachedExecutor.submit(() -> {
Awaitility.await().atMost(Duration.ofSeconds(60)).until(signal::get);
bkc.asyncDeleteLedger(ledgerId, cb, ctx);
});
}
return null;
}).when(spyBookKeeper).asyncDeleteLedger(any(long.class), any(AsyncCallback.DeleteCallback.class), any());
return deleteLedgerInfo;
}
/***
* This test simulates the following problems that can occur when ZK connections are unstable:
* - add entry timeout
* - write ZK fail when update ledger info of ML
* and verifies that ledger info of ML is still correct when the above problems occur.
*/
@Test
public void testLedgerInfoMetaCorrectIfAddEntryTimeOut() throws Exception {
String mlName = "testLedgerInfoMetaCorrectIfAddEntryTimeOut";
BookKeeper spyBookKeeper = spy(bkc);
@Cleanup("shutdown")
ManagedLedgerFactoryImpl factory = new ManagedLedgerFactoryImpl(metadataStore, spyBookKeeper);
ManagedLedgerImpl ml = (ManagedLedgerImpl) factory.open(mlName);
// Make add entry timeout(The data write was actually successful).
AtomicBoolean addEntryFinished = new AtomicBoolean(false);
makeAddEntryTimeout(ml, addEntryFinished);
// Make the update operation of ledger info failure when switch ledger.
metadataStore.failConditional(new MetadataStoreException.BadVersionException(""), (opType, path) -> {
if (opType == FaultInjectionMetadataStore.OperationType.PUT && addEntryFinished.get()
&& "/managed-ledgers/testLedgerInfoMetaCorrectIfAddEntryTimeOut".equals(path)) {
return true;
}
return false;
});
// Make delete ledger is delayed if delete is called.
AtomicBoolean deleteLedgerDelaySignal = new AtomicBoolean(false);
DeleteLedgerInfo deleteLedgerInfo =
makeDelayIfDoLedgerDelete(ml.currentLedger, deleteLedgerDelaySignal, spyBookKeeper);
// Add one entry.
// - it will fail and trigger ledger switch(we mocked the error).
// - ledger switch will also fail(we mocked the error).
try {
ml.addEntry("1".getBytes(Charset.defaultCharset()));
fail("Expected the operation of add entry will fail by timeout or ledger fenced.");
} catch (Exception e){
// expected ex.
}
// Reopen ML.
try {
ml.close();
fail("Expected the operation of ml close will fail by fenced state.");
} catch (Exception e){
// expected ex.
}
ManagedLedgerImpl mlReopened = (ManagedLedgerImpl) factory.open(mlName);
deleteLedgerDelaySignal.set(true);
if (deleteLedgerInfo.hasCalled){
deleteLedgerInfo.future.join();
}
mlReopened.close();
// verify: all ledgers in ledger info is worked.
for (long ledgerId : mlReopened.getLedgersInfo().keySet()){
LedgerHandle lh = bkc.openLedger(ledgerId, ml.digestType, ml.getConfig().getPassword());
lh.close();
}
}
@Test
public void managedLedgerApi() throws Exception {
ManagedLedger ledger = factory.open("my_test_ledger");
ManagedCursor cursor = ledger.openCursor("c1");
for (int i = 0; i < 100; i++) {
String content = "entry-" + i;
ledger.addEntry(content.getBytes());
}
// Reads all the entries in batches of 20
while (cursor.hasMoreEntries()) {
List<Entry> entries = cursor.readEntries(20);
log.debug("Read {} entries", entries.size());
// Acknowledge only on last entry
Entry lastEntry = entries.get(entries.size() - 1);
cursor.markDelete(lastEntry.getPosition());
for (Entry entry : entries) {
log.info("Read entry. Position={} Content='{}'", entry.getPosition(), new String(entry.getData()));
entry.release();
}
log.info("-----------------------");
}
log.info("Finished reading entries");
ledger.close();
}
@Test(timeOut = 20000)
public void simple() throws Exception {
ManagedLedger ledger = factory.open("my_test_ledger");
assertEquals(ledger.getNumberOfEntries(), 0);
assertEquals(ledger.getNumberOfActiveEntries(), 0);
assertEquals(ledger.getTotalSize(), 0);
ledger.addEntry("dummy-entry-1".getBytes(Encoding));
assertEquals(ledger.getNumberOfEntries(), 1);
assertEquals(ledger.getNumberOfActiveEntries(), 0);
assertEquals(ledger.getTotalSize(), "dummy-entry-1".getBytes(Encoding).length);
ManagedCursor cursor = ledger.openCursor("c1");
assertFalse(cursor.hasMoreEntries());
assertEquals(cursor.getNumberOfEntries(), 0);
assertEquals(cursor.getNumberOfEntriesInBacklog(false), 0);
assertEquals(cursor.readEntries(100), new ArrayList<Entry>());
ledger.addEntry("dummy-entry-2".getBytes(Encoding));
assertTrue(cursor.hasMoreEntries());
assertEquals(cursor.getNumberOfEntries(), 1);
assertEquals(cursor.getNumberOfEntriesInBacklog(false), 1);
assertEquals(ledger.getNumberOfActiveEntries(), 1);
List<Entry> entries = cursor.readEntries(100);
assertEquals(entries.size(), 1);
entries.forEach(Entry::release);
entries = cursor.readEntries(100);
assertEquals(entries.size(), 0);
ledger.close();
factory.shutdown();
}
@Test(timeOut = 20000)
public void closeAndReopen() throws Exception {
ManagedLedger ledger = factory.open("my_test_ledger");
ledger.addEntry("dummy-entry-1".getBytes(Encoding));
ManagedCursor cursor = ledger.openCursor("c1");
ledger.addEntry("dummy-entry-2".getBytes(Encoding));
ledger.close();
log.info("Closing ledger and reopening");
// / Reopen the same managed-ledger
@Cleanup("shutdown")
ManagedLedgerFactory factory2 = new ManagedLedgerFactoryImpl(metadataStore, bkc);
ledger = factory2.open("my_test_ledger");
cursor = ledger.openCursor("c1");
assertEquals(ledger.getNumberOfEntries(), 2);
assertEquals(ledger.getTotalSize(), "dummy-entry-1".getBytes(Encoding).length * 2);
List<Entry> entries = cursor.readEntries(100);
assertEquals(entries.size(), 1);
entries.forEach(Entry::release);
ledger.close();
}
@Test(timeOut = 20000)
public void acknowledge1() throws Exception {
ManagedLedger ledger = factory.open("my_test_ledger");
ManagedCursor cursor = ledger.openCursor("c1");
ledger.addEntry("dummy-entry-1".getBytes(Encoding));
ledger.addEntry("dummy-entry-2".getBytes(Encoding));
assertTrue(cursor.hasMoreEntries());
List<Entry> entries = cursor.readEntries(2);
assertEquals(entries.size(), 2);
assertEquals(cursor.getNumberOfEntries(), 0);
assertEquals(cursor.getNumberOfEntriesInBacklog(false), 2);
assertFalse(cursor.hasMoreEntries());
assertEquals(ledger.getNumberOfEntries(), 2);
assertEquals(ledger.getNumberOfActiveEntries(), 2);
cursor.markDelete(entries.get(0).getPosition());
entries.forEach(Entry::release);
assertEquals(cursor.getNumberOfEntries(), 0);
assertEquals(cursor.getNumberOfEntriesInBacklog(false), 1);
assertFalse(cursor.hasMoreEntries());
assertEquals(ledger.getNumberOfActiveEntries(), 1);
ledger.close();
// / Reopen the same managed-ledger
ledger = factory.open("my_test_ledger");
cursor = ledger.openCursor("c1");
assertEquals(ledger.getNumberOfEntries(), 2);
assertEquals(ledger.getTotalSize(), "dummy-entry-1".getBytes(Encoding).length * 2);
assertEquals(cursor.getNumberOfEntries(), 1);
assertEquals(cursor.getNumberOfEntriesInBacklog(false), 1);
assertTrue(cursor.hasMoreEntries());
entries = cursor.readEntries(100);
assertEquals(entries.size(), 1);
entries.forEach(Entry::release);
ledger.close();
}
@Test
public void shouldKeepEntriesInCacheByEarliestReadPosition() throws ManagedLedgerException, InterruptedException {
// This test case reproduces issue #16054
ManagedLedgerConfig config = new ManagedLedgerConfig();
factory.updateCacheEvictionTimeThreshold(TimeUnit.MILLISECONDS
.toNanos(30000));
// GIVEN an opened ledger with 10 opened cursors
ManagedLedger ledger = factory.open("test_ledger_for_shouldKeepEntriesInCacheByEarliestReadPosition",
config);
List<ManagedCursor> cursors = new ArrayList<>();
for (int i = 0; i < 10; i++) {
ManagedCursor cursor = ledger.openCursor("c" + i);
cursors.add(cursor);
}
ManagedLedgerFactoryMXBean cacheStats = factory.getCacheStats();
int insertedEntriesCountBefore = (int) cacheStats.getCacheInsertedEntriesCount();
// AND 100 added entries
for (int i = 0; i < 100; i++) {
String content = "entry-" + i;
ledger.addEntry(content.getBytes());
}
int insertedEntriesCount =
(int) cacheStats.getCacheInsertedEntriesCount() - insertedEntriesCountBefore;
// EXPECT that 100 entries should have been inserted to the cache
assertEquals(insertedEntriesCount, 100);
int evictedEntriesCountBefore = (int) cacheStats.getCacheEvictedEntriesCount();
// WHEN entries are read for the cursors so that the farthest cursor has most entries read
for (int i = 0; i < 10; i++) {
ManagedCursor cursor = cursors.get(i);
// read entries farther of the earliest cursor
List<Entry> entries = cursor.readEntries(20 - i);
// mark delete the least for the earliest cursor
cursor.markDelete(entries.get(i).getPosition());
entries.forEach(Entry::release);
}
// THEN it is expected that the cache evicts entries to the earliest read position
Thread.sleep(2 * factory.getConfig().getCacheEvictionIntervalMs());
int evictedEntriesCount =
(int) cacheStats.getCacheEvictedEntriesCount() - evictedEntriesCountBefore;
assertEquals(evictedEntriesCount, 11,
"It is expected that the cache evicts entries to the earliest read position");
ledger.close();
}
@Test
public void shouldKeepEntriesInCacheByEarliestMarkDeletePosition() throws ManagedLedgerException, InterruptedException {
// This test case reproduces issue #16054
ManagedLedgerConfig config = new ManagedLedgerConfig();
config.setCacheEvictionByMarkDeletedPosition(true);
factory.updateCacheEvictionTimeThreshold(TimeUnit.MILLISECONDS
.toNanos(30000));
// GIVEN an opened ledger with 10 opened cursors
ManagedLedger ledger = factory.open("test_ledger_for_shouldKeepEntriesInCacheByEarliestMarkDeletePosition",
config);
List<ManagedCursor> cursors = new ArrayList<>();
for (int i = 0; i < 10; i++) {
ManagedCursor cursor = ledger.openCursor("c" + i);
cursors.add(cursor);
}
ManagedLedgerFactoryMXBean cacheStats = factory.getCacheStats();
int insertedEntriesCountBefore = (int) cacheStats.getCacheInsertedEntriesCount();
// AND 100 added entries
for (int i = 0; i < 100; i++) {
String content = "entry-" + i;
ledger.addEntry(content.getBytes());
}
int insertedEntriesCount =
(int) cacheStats.getCacheInsertedEntriesCount() - insertedEntriesCountBefore;
// EXPECT that 100 entries should have been inserted to the cache
assertEquals(insertedEntriesCount, 100);
int evictedEntriesCountBefore = (int) cacheStats.getCacheEvictedEntriesCount();
// WHEN entries are read for the cursors so that the farthest cursor has most entries read
Position lastMarkDeletePos = null;
for (int i = 0; i < 10; i++) {
ManagedCursor cursor = cursors.get(i);
// read 50 (+ index) entries for each cursor
List<Entry> entries = cursor.readEntries(50 + (5 * i));
// mark delete the most for the earliest cursor
lastMarkDeletePos = entries.get(20 - i).getPosition();
cursor.markDelete(lastMarkDeletePos);
entries.forEach(Entry::release);
}
Thread.sleep(1000 + 2 * factory.getConfig().getCacheEvictionIntervalMs());
ManagedCursorContainer activeCursors = (ManagedCursorContainer) ledger.getActiveCursors();
assertEquals(activeCursors.getSlowestReaderPosition(), lastMarkDeletePos);
// THEN it is expected that the cache evicts entries to the earliest read position
int evictedEntriesCount =
(int) cacheStats.getCacheEvictedEntriesCount() - evictedEntriesCountBefore;
assertEquals(evictedEntriesCount, 11,
"It is expected that the cache evicts entries to the earliest read position");
ledger.close();
}
@Test(timeOut = 20000)
public void asyncAPI() throws Throwable {
final CountDownLatch counter = new CountDownLatch(1);
factory.asyncOpen("my_test_ledger", new ManagedLedgerConfig(), new OpenLedgerCallback() {
@Override
public void openLedgerComplete(ManagedLedger ledger, Object ctx) {
ledger.asyncOpenCursor("test-cursor", new OpenCursorCallback() {
@Override
public void openCursorComplete(ManagedCursor cursor, Object ctx) {
ManagedLedger ledger = (ManagedLedger) ctx;
ledger.asyncAddEntry("test".getBytes(Encoding), new AddEntryCallback() {
@Override
public void addComplete(Position position, ByteBuf entryData, Object ctx) {
@SuppressWarnings("unchecked")
Pair<ManagedLedger, ManagedCursor> pair = (Pair<ManagedLedger, ManagedCursor>) ctx;
ManagedLedger ledger = pair.getLeft();
ManagedCursor cursor = pair.getRight();
assertEquals(ledger.getNumberOfEntries(), 1);
assertEquals(ledger.getTotalSize(), "test".getBytes(Encoding).length);
cursor.asyncReadEntries(2, new ReadEntriesCallback() {
@Override
public void readEntriesComplete(List<Entry> entries, Object ctx) {
ManagedCursor cursor = (ManagedCursor) ctx;
assertEquals(entries.size(), 1);
Entry entry = entries.get(0);
final Position position = entry.getPosition();
assertEquals(new String(entry.getDataAndRelease(), Encoding), "test");
log.debug("Mark-Deleting to position {}", position);
cursor.asyncMarkDelete(position, new MarkDeleteCallback() {
@Override
public void markDeleteComplete(Object ctx) {
log.debug("Mark delete complete");
ManagedCursor cursor = (ManagedCursor) ctx;
assertFalse(cursor.hasMoreEntries());
counter.countDown();
}
@Override
public void markDeleteFailed(ManagedLedgerException exception, Object ctx) {
fail(exception.getMessage());
}
}, cursor);
}
@Override
public void readEntriesFailed(ManagedLedgerException exception, Object ctx) {
fail(exception.getMessage());
}
}, cursor, PositionImpl.LATEST);
}
@Override
public void addFailed(ManagedLedgerException exception, Object ctx) {
fail(exception.getMessage());
}
}, Pair.of(ledger, cursor));
}
@Override
public void openCursorFailed(ManagedLedgerException exception, Object ctx) {
fail(exception.getMessage());
}
}, ledger);
}
@Override
public void openLedgerFailed(ManagedLedgerException exception, Object ctx) {
fail(exception.getMessage());
}
}, null, null);
counter.await();
log.info("Test completed");
}
@Test(timeOut = 20000)
public void spanningMultipleLedgers() throws Exception {
ManagedLedgerConfig config = new ManagedLedgerConfig().setMaxEntriesPerLedger(10);
ManagedLedger ledger = factory.open("my_test_ledger", config);
assertEquals(ledger.getNumberOfEntries(), 0);
assertEquals(ledger.getTotalSize(), 0);
ManagedCursor cursor = ledger.openCursor("c1");
for (int i = 0; i < 11; i++)
ledger.addEntry(("dummy-entry-" + i).getBytes(Encoding));
List<Entry> entries = cursor.readEntries(100);
assertEquals(entries.size(), 11);
assertFalse(cursor.hasMoreEntries());
PositionImpl first = (PositionImpl) entries.get(0).getPosition();
PositionImpl last = (PositionImpl) entries.get(entries.size() - 1).getPosition();
entries.forEach(Entry::release);
log.info("First={} Last={}", first, last);
assertTrue(first.getLedgerId() < last.getLedgerId());
assertEquals(first.getEntryId(), 0);
assertEquals(last.getEntryId(), 0);
// Read again, from next ledger id
entries = cursor.readEntries(100);
assertEquals(entries.size(), 0);
assertFalse(cursor.hasMoreEntries());
ledger.close();
}
@Test
public void testStartReadOperationOnLedgerWithEmptyLedgers() throws ManagedLedgerException, InterruptedException {
ManagedLedger ledger = factory.open("my_test_ledger_1");
ManagedLedgerImpl ledgerImpl = (ManagedLedgerImpl) ledger;
NavigableMap<Long, LedgerInfo> ledgers = ledgerImpl.getLedgersInfo();
LedgerInfo ledgerInfo = ledgers.firstEntry().getValue();
ledgers.clear();
ManagedCursor c1 = ledger.openCursor("c1");
PositionImpl position = new PositionImpl(ledgerInfo.getLedgerId(), 0);
PositionImpl maxPosition = new PositionImpl(ledgerInfo.getLedgerId(), 99);
OpReadEntry opReadEntry = OpReadEntry.create((ManagedCursorImpl) c1, position, 20,
new ReadEntriesCallback() {
@Override
public void readEntriesComplete(List<Entry> entries, Object ctx) {
}
@Override
public void readEntriesFailed(ManagedLedgerException exception, Object ctx) {
}
}, null, maxPosition, null);
Assert.assertEquals(opReadEntry.readPosition, position);
}
@Test(timeOut = 20000)
public void spanningMultipleLedgersWithSize() throws Exception {
ManagedLedgerConfig config = new ManagedLedgerConfig().setMaxEntriesPerLedger(1000000);
config.setMaxSizePerLedgerMb(1);
config.setEnsembleSize(1);
config.setWriteQuorumSize(1).setAckQuorumSize(1);
config.setMetadataWriteQuorumSize(1).setMetadataAckQuorumSize(1);
ManagedLedger ledger = factory.open("my_test_ledger", config);
assertEquals(ledger.getNumberOfEntries(), 0);
assertEquals(ledger.getTotalSize(), 0);
ManagedCursor cursor = ledger.openCursor("c1");
byte[] content = new byte[1023 * 1024];
for (int i = 0; i < 3; i++)
ledger.addEntry(content);
List<Entry> entries = cursor.readEntries(100);
assertEquals(entries.size(), 3);
assertFalse(cursor.hasMoreEntries());
PositionImpl first = (PositionImpl) entries.get(0).getPosition();
PositionImpl last = (PositionImpl) entries.get(entries.size() - 1).getPosition();
entries.forEach(Entry::release);
// Read again, from next ledger id
entries = cursor.readEntries(100);
assertEquals(entries.size(), 0);
assertFalse(cursor.hasMoreEntries());
entries.forEach(Entry::release);
log.info("First={} Last={}", first, last);
assertTrue(first.getLedgerId() < last.getLedgerId());
assertEquals(first.getEntryId(), 0);
assertEquals(last.getEntryId(), 0);
ledger.close();
}
@Test(expectedExceptions = IllegalArgumentException.class)
public void invalidReadEntriesArg1() throws Exception {
ManagedLedger ledger = factory.open("my_test_ledger");
ManagedCursor cursor = ledger.openCursor("c1");
ledger.addEntry("entry".getBytes());
cursor.readEntries(-1);
fail("Should have thrown an exception in the above line");
}
@Test(expectedExceptions = IllegalArgumentException.class)
public void invalidReadEntriesArg2() throws Exception {
ManagedLedger ledger = factory.open("my_test_ledger");
ManagedCursor cursor = ledger.openCursor("c1");
ledger.addEntry("entry".getBytes());
cursor.readEntries(0);
fail("Should have thrown an exception in the above line");
}
@Test(timeOut = 20000)
public void deleteAndReopen() throws Exception {
ManagedLedger ledger = factory.open("my_test_ledger");
ledger.addEntry("dummy-entry-1".getBytes(Encoding));
assertEquals(ledger.getNumberOfEntries(), 1);
ledger.close();
// Reopen
ledger = factory.open("my_test_ledger");
assertEquals(ledger.getNumberOfEntries(), 1);
// Delete and reopen
ledger.delete();
ledger = factory.open("my_test_ledger");
assertEquals(ledger.getNumberOfEntries(), 0);
ledger.close();
}
@Test(timeOut = 20000)
public void deleteAndReopenWithCursors() throws Exception {
ManagedLedger ledger = factory.open("my_test_ledger");
ledger.openCursor("test-cursor");
ledger.addEntry("dummy-entry-1".getBytes(Encoding));
assertEquals(ledger.getNumberOfEntries(), 1);
ledger.close();
// Reopen
ledger = factory.open("my_test_ledger");
assertEquals(ledger.getNumberOfEntries(), 1);
// Delete and reopen
ledger.delete();
ledger = factory.open("my_test_ledger");
assertEquals(ledger.getNumberOfEntries(), 0);
ManagedCursor cursor = ledger.openCursor("test-cursor");
assertFalse(cursor.hasMoreEntries());
ledger.close();
}
@Test(timeOut = 20000)
public void asyncDeleteWithError() throws Exception {
ManagedLedger ledger = factory.open("my_test_ledger");
ledger.openCursor("test-cursor");
ledger.addEntry("dummy-entry-1".getBytes(Encoding));
assertEquals(ledger.getNumberOfEntries(), 1);
ledger.close();
// Reopen
ledger = factory.open("my_test_ledger");
assertEquals(ledger.getNumberOfEntries(), 1);
final CountDownLatch counter = new CountDownLatch(1);
stopBookKeeper();
stopMetadataStore();
// Delete and reopen
factory.open("my_test_ledger", new ManagedLedgerConfig()).asyncDelete(new DeleteLedgerCallback() {
@Override
public void deleteLedgerComplete(Object ctx) {
assertNull(ctx);
fail("The async-call should have failed");
}
@Override
public void deleteLedgerFailed(ManagedLedgerException exception, Object ctx) {
counter.countDown();
}
}, null);
counter.await();
}
private byte[] copyBytesFromByteBuf(final ByteBuf buf) {
final int index = buf.readerIndex();
final byte[] bytes = new byte[buf.readableBytes()];
buf.getBytes(index, bytes);
buf.readerIndex(index);
return bytes;
}
@Test(timeOut = 20000)
public void asyncAddEntryWithoutError() throws Exception {
ManagedLedger ledger = factory.open("my_test_ledger",
new ManagedLedgerConfig().setMaxEntriesPerLedger(2));
ledger.openCursor("test-cursor");
final int count = 4;
final CountDownLatch counter = new CountDownLatch(count);
final byte[] bytes = "dummy-entry-1".getBytes(Encoding);
AddEntryCallback callback = new AddEntryCallback() {
@Override
public void addComplete(Position position, ByteBuf entryData, Object ctx) {
assertNull(ctx);
assertEquals(copyBytesFromByteBuf(entryData), bytes);
// `entryData` is read-only so that write related methods will throw ReadOnlyBufferException
try {
entryData.array();
} catch (Exception e) {
assertTrue(e instanceof ReadOnlyBufferException);
}
counter.countDown();
}
@Override
public void addFailed(ManagedLedgerException exception, Object ctx) {
fail(exception.getMessage());
}
};
for (int i = 0; i < count; i++) {
ledger.asyncAddEntry(bytes, callback, null);
}
counter.await();
assertEquals(ledger.getNumberOfEntries(), count);
assertEquals(ledger.getTotalSize(), "dummy-entry-1".getBytes(Encoding).length * count);
}
@Test(timeOut = 20000)
public void doubleAsyncAddEntryWithoutError() throws Exception {
ManagedLedger ledger = factory.open("my_test_ledger");
ledger.openCursor("test-cursor");
final CountDownLatch done = new CountDownLatch(10);
for (int i = 0; i < 10; i++) {
final String content = "dummy-entry-" + i;
ledger.asyncAddEntry(content.getBytes(Encoding), new AddEntryCallback() {
@Override
public void addComplete(Position position, ByteBuf entryData, Object ctx) {
assertNotNull(ctx);
assertEquals(copyBytesFromByteBuf(entryData), content.getBytes(Encoding));
log.info("Successfully added {}", content);
done.countDown();
}
@Override
public void addFailed(ManagedLedgerException exception, Object ctx) {
fail(exception.getMessage());
}
}, this);
}
done.await();
assertEquals(ledger.getNumberOfEntries(), 10);
}
@Test(timeOut = 20000)
public void asyncAddEntryWithError() throws Exception {
ManagedLedger ledger = factory.open("my_test_ledger");
ledger.openCursor("test-cursor");
final CountDownLatch counter = new CountDownLatch(1);
stopBookKeeper();
stopMetadataStore();
ledger.asyncAddEntry("dummy-entry-1".getBytes(Encoding), new AddEntryCallback() {
@Override
public void addComplete(Position position, ByteBuf entryData, Object ctx) {
fail("Should have failed");
}
@Override
public void addFailed(ManagedLedgerException exception, Object ctx) {
counter.countDown();
}
}, null);
counter.await();
}
@Test(timeOut = 20000)
public void asyncCloseWithoutError() throws Exception {
ManagedLedger ledger = factory.open("my_test_ledger");
ledger.openCursor("test-cursor");
ledger.addEntry("dummy-entry-1".getBytes(Encoding));
final CountDownLatch counter = new CountDownLatch(1);
ledger.asyncClose(new CloseCallback() {
@Override
public void closeComplete(Object ctx) {
assertNull(ctx);
counter.countDown();
}
@Override
public void closeFailed(ManagedLedgerException exception, Object ctx) {
fail(exception.getMessage());
}
}, null);
counter.await();
}
@Test(timeOut = 20000)
public void asyncOpenCursorWithoutError() throws Exception {
ManagedLedger ledger = factory.open("my_test_ledger");
final CountDownLatch counter = new CountDownLatch(1);
ledger.asyncOpenCursor("test-cursor", new OpenCursorCallback() {
@Override
public void openCursorComplete(ManagedCursor cursor, Object ctx) {
assertNull(ctx);
assertNotNull(cursor);
counter.countDown();
}
@Override
public void openCursorFailed(ManagedLedgerException exception, Object ctx) {
fail(exception.getMessage());
}
}, null);
counter.await();
}
@Test(timeOut = 20000)
public void asyncOpenCursorWithError() throws Exception {
ManagedLedger ledger = factory.open("my_test_ledger");
final CountDownLatch counter = new CountDownLatch(1);
stopBookKeeper();
stopMetadataStore();
ledger.asyncOpenCursor("test-cursor", new OpenCursorCallback() {
@Override
public void openCursorComplete(ManagedCursor cursor, Object ctx) {
fail("The async-call should have failed");
}
@Override