| /* |
| * 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.cassandra.cql3; |
| |
| |
| import java.io.File; |
| import java.io.FileWriter; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.Arrays; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import com.datastax.driver.core.*; |
| import com.datastax.driver.core.policies.LoggingRetryPolicy; |
| import com.datastax.driver.core.policies.Policies; |
| import com.datastax.driver.core.utils.Bytes; |
| import org.apache.cassandra.SchemaLoader; |
| import org.apache.cassandra.config.DatabaseDescriptor; |
| import org.apache.cassandra.schema.Schema; |
| import org.apache.cassandra.exceptions.ConfigurationException; |
| import org.apache.cassandra.service.EmbeddedCassandraService; |
| |
| public class CorruptionTest extends SchemaLoader |
| { |
| |
| private static EmbeddedCassandraService cassandra; |
| private static Cluster cluster; |
| private static Session session; |
| |
| private static PreparedStatement getStatement; |
| private static PreparedStatement putStatement; |
| private static String KEYSPACE = "cass_test"; |
| private static final String TABLE="put_test"; |
| private static final String KEY = "SingleFailingKey"; |
| private static String VALUE; |
| private final int THREADPOOL_SIZE=40; |
| |
| @BeforeClass() |
| public static void setup() throws ConfigurationException, IOException |
| { |
| Schema.instance.clear(); |
| |
| cassandra = new EmbeddedCassandraService(); |
| cassandra.start(); |
| |
| cluster = Cluster.builder().addContactPoint("127.0.0.1") |
| .withRetryPolicy(new LoggingRetryPolicy(Policies.defaultRetryPolicy())) |
| .withPort(DatabaseDescriptor.getNativeTransportPort()).build(); |
| session = cluster.connect(); |
| |
| session.execute("CREATE KEYSPACE IF NOT EXISTS " + KEYSPACE +" WITH replication " + |
| "= {'class':'SimpleStrategy', 'replication_factor':1};"); |
| session.execute("USE " + KEYSPACE); |
| session.execute("CREATE TABLE IF NOT EXISTS " + TABLE + " (" + |
| "key blob," + |
| "value blob," + |
| "PRIMARY KEY (key));"); |
| |
| |
| // Prepared statements |
| getStatement = session.prepare("SELECT value FROM " + TABLE + " WHERE key = ?;"); |
| getStatement.setConsistencyLevel(ConsistencyLevel.LOCAL_QUORUM); |
| |
| putStatement = session.prepare("INSERT INTO " + TABLE + " (key, value) VALUES (?, ?);"); |
| putStatement.setConsistencyLevel(ConsistencyLevel.LOCAL_QUORUM); |
| |
| |
| |
| StringBuilder s = new StringBuilder(); |
| char a='a'; |
| char z='z'; |
| for (int i = 0; i < 500*1024; i++) |
| { |
| char x = (char)((i%((z-a)+1))+a); |
| if (x == 'a') |
| { |
| x = '\n'; |
| } |
| s.append(x); |
| } |
| VALUE = s.toString(); |
| } |
| |
| @Test |
| public void runCorruptionTest() |
| { |
| |
| final CountDownLatch failure = new CountDownLatch(1); |
| |
| |
| ExecutorService executor = Executors.newFixedThreadPool(THREADPOOL_SIZE); |
| for (int i = 0; i < THREADPOOL_SIZE; i++) |
| { |
| executor.execute(new Runnable() |
| { |
| @Override |
| public void run() |
| { |
| for (int i = 0; i < 100000; i++) |
| { |
| put(KEY.getBytes(), VALUE.getBytes()); |
| byte[] res = get(KEY.getBytes()); |
| //since we're flooding the server we might get some timeouts, that's not |
| //relevant for this test |
| if (res == null) |
| continue; |
| |
| if (!Arrays.equals(VALUE.getBytes(), res)) |
| { |
| /*try |
| { |
| dumpKeys(VALUE.getBytes(), res); |
| } |
| catch (IOException e) |
| { |
| e.printStackTrace(); |
| }*/ |
| failure.countDown(); |
| } |
| } |
| } |
| |
| private void dumpKeys(byte[] putdata, byte[] getdata) throws IOException { |
| String basename = "bad-data-tid" + Thread.currentThread().getId(); |
| File put = new File(basename+"-put"); |
| File get = new File(basename+"-get"); |
| try(FileWriter pw = new FileWriter(put)) { |
| pw.write(new String(putdata)); |
| } |
| try(FileWriter pw = new FileWriter(get)) { |
| pw.write(new String(getdata)); |
| } |
| } |
| }); |
| } |
| |
| try |
| { |
| assert!failure.await(2, TimeUnit.MINUTES); |
| } |
| catch (InterruptedException e) |
| { |
| |
| } |
| executor.shutdownNow(); |
| |
| } |
| |
| public static byte[] get(byte[] key) |
| { |
| BoundStatement boundStatement = new BoundStatement(getStatement); |
| boundStatement.setBytes(0, ByteBuffer.wrap(key)); |
| |
| final com.datastax.driver.core.ResultSet resultSet = session.execute(boundStatement); |
| final Row row = resultSet.one(); |
| if (row != null) |
| { |
| final ByteBuffer byteBuf = row.getBytes("value"); |
| return Bytes.getArray(byteBuf); |
| } |
| |
| return null; |
| } |
| |
| public static void put(byte[] key, byte[] value) |
| { |
| BoundStatement boundStatement = new BoundStatement(putStatement); |
| boundStatement.setBytes(0, ByteBuffer.wrap(key)); |
| boundStatement.setBytes(1, ByteBuffer.wrap(value)); |
| |
| session.execute(boundStatement); |
| } |
| } |