| /* |
| * 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.gms; |
| |
| import java.net.UnknownHostException; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.UUID; |
| import java.util.concurrent.locks.ReentrantLock; |
| |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import org.apache.cassandra.SchemaLoader; |
| import org.apache.cassandra.dht.ByteOrderedPartitioner; |
| import org.apache.cassandra.dht.Token; |
| import org.apache.cassandra.exceptions.ConfigurationException; |
| import org.apache.cassandra.locator.InetAddressAndPort; |
| import org.apache.cassandra.service.StorageService; |
| import org.jboss.byteman.contrib.bmunit.BMRule; |
| import org.jboss.byteman.contrib.bmunit.BMUnitRunner; |
| |
| import static org.apache.cassandra.config.CassandraRelevantProperties.GOSSIP_DISABLE_THREAD_VALIDATION; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| |
| |
| /** |
| * Test for "Gossip blocks on startup when another node is bootstrapping" (CASSANDRA-12281). |
| */ |
| @RunWith(BMUnitRunner.class) |
| public class PendingRangeCalculatorServiceTest |
| { |
| static ReentrantLock calculationLock = new ReentrantLock(); |
| |
| @BeforeClass |
| public static void setUp() throws ConfigurationException |
| { |
| GOSSIP_DISABLE_THREAD_VALIDATION.setBoolean(true); |
| SchemaLoader.prepareServer(); |
| StorageService.instance.initServer(); |
| } |
| |
| @Test |
| @BMRule(name = "Block pending range calculation", |
| targetClass = "TokenMetadata", |
| targetMethod = "calculatePendingRanges", |
| targetLocation = "AT INVOKE org.apache.cassandra.locator.AbstractReplicationStrategy.getAddressReplicas", |
| action = "org.apache.cassandra.gms.PendingRangeCalculatorServiceTest.calculationLock.lock()") |
| public void testDelayedResponse() throws UnknownHostException, InterruptedException |
| { |
| InetAddressAndPort otherNodeAddr = InetAddressAndPort.getByName("127.0.0.2"); |
| UUID otherHostId = UUID.randomUUID(); |
| |
| // introduce node for first major state change |
| Gossiper.instance.applyStateLocally(getStates(otherNodeAddr, otherHostId, 1, false)); |
| |
| // acquire lock to block pending range calculation via byteman |
| calculationLock.lock(); |
| try |
| { |
| // spawn thread that will trigger handling of a bootstrap state change which in turn will trigger |
| // the pending range calculation that will be blocked by our lock |
| Thread t1 = new Thread() |
| { |
| public void run() |
| { |
| Gossiper.instance.applyStateLocally(getStates(otherNodeAddr, otherHostId, 2, true)); |
| } |
| }; |
| t1.start(); |
| |
| // busy-spin until t1 is blocked by lock |
| while (!calculationLock.hasQueuedThreads()) ; |
| |
| // trigger further state changes in case we don't want the blocked thread from the |
| // expensive range calculation to block us here as well |
| Thread t2 = new Thread() |
| { |
| public void run() |
| { |
| Gossiper.instance.applyStateLocally(getStates(otherNodeAddr, otherHostId, 3, false)); |
| Gossiper.instance.applyStateLocally(getStates(otherNodeAddr, otherHostId, 4, false)); |
| Gossiper.instance.applyStateLocally(getStates(otherNodeAddr, otherHostId, 5, false)); |
| } |
| }; |
| t2.start(); |
| t2.join(2000); |
| assertFalse("Thread still blocked by pending range calculation", t2.isAlive()); |
| assertEquals(5, Gossiper.instance.getEndpointStateForEndpoint(otherNodeAddr).getHeartBeatState().getHeartBeatVersion()); |
| } |
| finally |
| { |
| calculationLock.unlock(); |
| } |
| } |
| |
| private Map<InetAddressAndPort, EndpointState> getStates(InetAddressAndPort otherNodeAddr, UUID hostId, int ver, boolean bootstrapping) |
| { |
| HeartBeatState hb = new HeartBeatState(1, ver); |
| EndpointState state = new EndpointState(hb); |
| Collection<Token> tokens = new ArrayList<>(); |
| |
| tokens.add(new ByteOrderedPartitioner.BytesToken(new byte[]{1,2,3})); |
| state.addApplicationState(ApplicationState.TOKENS, StorageService.instance.valueFactory.tokens(tokens)); |
| state.addApplicationState(ApplicationState.STATUS, bootstrapping ? |
| StorageService.instance.valueFactory.bootstrapping(tokens) : StorageService.instance.valueFactory.normal(tokens)); |
| state.addApplicationState(ApplicationState.HOST_ID, StorageService.instance.valueFactory.hostId(hostId)); |
| state.addApplicationState(ApplicationState.NET_VERSION, StorageService.instance.valueFactory.networkVersion()); |
| |
| Map<InetAddressAndPort, EndpointState> states = new HashMap<>(); |
| states.put(otherNodeAddr, state); |
| return states; |
| } |
| } |