| package org.apache.bookkeeper.bookie; |
| |
| /* |
| * |
| * 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 io.netty.buffer.ByteBuf; |
| import io.netty.buffer.ByteBufAllocator; |
| import io.netty.buffer.UnpooledByteBufAllocator; |
| import java.io.IOException; |
| import org.apache.bookkeeper.conf.ServerConfiguration; |
| import org.apache.bookkeeper.meta.LedgerManager; |
| import org.apache.bookkeeper.stats.StatsLogger; |
| |
| /** |
| * Strictly for testing. |
| * have to be in org.apache.bookkeeper.bookie to not introduce changes to InterleavedLedgerStorage |
| */ |
| public class SlowInterleavedLedgerStorage extends InterleavedLedgerStorage { |
| |
| public static final String PROP_SLOW_STORAGE_FLUSH_DELAY = "test.slowStorage.flushDelay"; |
| public static final String PROP_SLOW_STORAGE_ADD_DELAY = "test.slowStorage.addDelay"; |
| public static final String PROP_SLOW_STORAGE_GET_DELAY = "test.slowStorage.getDelay"; |
| |
| /** |
| * Strictly for testing. |
| */ |
| public static class SlowDefaultEntryLogger extends DefaultEntryLogger { |
| public volatile long getDelay = 0; |
| public volatile long addDelay = 0; |
| public volatile long flushDelay = 0; |
| |
| public SlowDefaultEntryLogger(ServerConfiguration conf, |
| LedgerDirsManager ledgerDirsManager, |
| EntryLogListener listener, |
| StatsLogger statsLogger) throws IOException { |
| super(conf, ledgerDirsManager, listener, statsLogger, UnpooledByteBufAllocator.DEFAULT); |
| } |
| |
| public SlowDefaultEntryLogger setAddDelay(long delay) { |
| addDelay = delay; |
| return this; |
| } |
| |
| public SlowDefaultEntryLogger setGetDelay(long delay) { |
| getDelay = delay; |
| return this; |
| } |
| |
| public SlowDefaultEntryLogger setFlushDelay(long delay) { |
| flushDelay = delay; |
| return this; |
| } |
| |
| @Override |
| public void flush() throws IOException { |
| delayMs(flushDelay); |
| super.flush(); |
| } |
| |
| @Override |
| public long addEntry(long ledger, ByteBuf entry) throws IOException { |
| delayMs(addDelay); |
| return super.addEntry(ledger, entry); |
| } |
| |
| @Override |
| public ByteBuf readEntry(long ledgerId, long entryId, long location) |
| throws IOException, Bookie.NoEntryException { |
| delayMs(getDelay); |
| return super.readEntry(ledgerId, entryId, location); |
| } |
| |
| private static void delayMs(long delay) { |
| if (delay < 1) { |
| return; |
| } |
| try { |
| Thread.sleep(delay); |
| } catch (InterruptedException e) { |
| //noop |
| } |
| } |
| |
| } |
| |
| public SlowInterleavedLedgerStorage() { |
| super(); |
| } |
| |
| @Override |
| public void initialize(ServerConfiguration conf, |
| LedgerManager ledgerManager, |
| LedgerDirsManager ledgerDirsManager, |
| LedgerDirsManager indexDirsManager, |
| StatsLogger statsLogger, |
| ByteBufAllocator allocator) |
| throws IOException { |
| super.initialize(conf, ledgerManager, ledgerDirsManager, indexDirsManager, |
| statsLogger, allocator); |
| // do not want to add these to config class, reading throw "raw" interface |
| long getDelay = conf.getLong(PROP_SLOW_STORAGE_GET_DELAY, 0); |
| long addDelay = conf.getLong(PROP_SLOW_STORAGE_ADD_DELAY, 0); |
| long flushDelay = conf.getLong(PROP_SLOW_STORAGE_FLUSH_DELAY, 0); |
| |
| entryLogger = new SlowDefaultEntryLogger(conf, ledgerDirsManager, this, statsLogger) |
| .setAddDelay(addDelay) |
| .setGetDelay(getDelay) |
| .setFlushDelay(flushDelay); |
| } |
| |
| public void setAddDelay(long delay) { |
| ((SlowDefaultEntryLogger) entryLogger).setAddDelay(delay); |
| } |
| |
| public void setGetDelay(long delay) { |
| ((SlowDefaultEntryLogger) entryLogger).setGetDelay(delay); |
| } |
| |
| public void setFlushDelay(long delay) { |
| ((SlowDefaultEntryLogger) entryLogger).setFlushDelay(delay); |
| } |
| |
| } |