| /* |
| * 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.geode.internal.cache.tier.sockets; |
| |
| import static java.util.Arrays.asList; |
| import static org.apache.geode.internal.AvailablePortHelper.getRandomAvailableTCPPorts; |
| import static org.apache.geode.test.dunit.VM.getVM; |
| import static org.assertj.core.api.Assertions.assertThat; |
| import static org.assertj.core.api.Assertions.assertThatThrownBy; |
| |
| import java.io.IOException; |
| import java.io.Serializable; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| import org.apache.geode.cache.client.ClientCacheFactory; |
| import org.apache.geode.cache.client.PoolFactory; |
| import org.apache.geode.cache.client.PoolManager; |
| import org.apache.geode.cache.client.ServerOperationException; |
| import org.apache.geode.cache.client.internal.PingOp; |
| import org.apache.geode.cache.client.internal.PoolImpl; |
| import org.apache.geode.cache.server.CacheServer; |
| import org.apache.geode.distributed.internal.ServerLocation; |
| import org.apache.geode.distributed.internal.membership.InternalDistributedMember; |
| import org.apache.geode.test.awaitility.GeodeAwaitility; |
| import org.apache.geode.test.dunit.VM; |
| import org.apache.geode.test.dunit.rules.CacheRule; |
| import org.apache.geode.test.dunit.rules.ClientCacheRule; |
| import org.apache.geode.test.dunit.rules.DistributedRule; |
| import org.apache.geode.test.junit.rules.serializable.SerializableTemporaryFolder; |
| import org.apache.geode.test.junit.rules.serializable.SerializableTestName; |
| |
| public class PingOpDistributedTest implements Serializable { |
| |
| @Rule |
| public CacheRule cacheRule = new CacheRule(); |
| |
| @Rule |
| public ClientCacheRule clientCacheRule = new ClientCacheRule(); |
| |
| @Rule |
| public SerializableTestName testName = new SerializableTestName(); |
| |
| @Rule |
| public DistributedRule distributedRule = new DistributedRule(2); |
| |
| @Rule |
| public SerializableTemporaryFolder folder = new SerializableTemporaryFolder(); |
| |
| private VM client; |
| private VM server1, server2; |
| private int server1Port, server2Port; |
| |
| |
| private void initServer(int serverPort) throws IOException { |
| cacheRule.createCache(); |
| CacheServer cacheServer = cacheRule.getCache().addCacheServer(); |
| cacheServer.setPort(serverPort); |
| |
| // "Disable" the auto-ping for the duration of this test. |
| cacheServer.setMaximumTimeBetweenPings((int) GeodeAwaitility.getTimeout().toMillis()); |
| cacheServer.start(); |
| } |
| |
| private void initClient(String poolName, List<Integer> serverPorts) { |
| final ClientCacheFactory clientCacheFactory = new ClientCacheFactory(); |
| clientCacheFactory.create(); |
| |
| PoolFactory poolFactory = PoolManager.createFactory(); |
| serverPorts.forEach(serverPort -> poolFactory.addServer("localhost", serverPort)); |
| |
| // "Disable" the auto-ping for the duration of this test. |
| poolFactory.setPingInterval((int) GeodeAwaitility.getTimeout().toMillis()); |
| poolFactory.create(poolName); |
| } |
| |
| @Before |
| public void setUp() throws IOException { |
| int[] ports = getRandomAvailableTCPPorts(2); |
| |
| client = getVM(0); |
| server1 = getVM(1); |
| server2 = getVM(2); |
| server1Port = ports[0]; |
| server2Port = ports[1]; |
| server1.invoke(() -> initServer(server1Port)); |
| server2.invoke(() -> initServer(server2Port)); |
| } |
| |
| void parametrizedSetUp(String poolName, List<Integer> serverPorts) { |
| client.invoke(() -> initClient(poolName, serverPorts)); |
| } |
| |
| public void executePing(String poolName, int serverPort, |
| InternalDistributedMember distributedMember) { |
| PoolImpl poolImpl = (PoolImpl) PoolManager.find(poolName); |
| PingOp.execute(poolImpl, new ServerLocation("localhost", serverPort), distributedMember); |
| } |
| |
| public Long getSingleHeartBeat() { |
| ClientHealthMonitor chm = ClientHealthMonitor.getInstance(); |
| if (chm.getClientHeartbeats().size() == 0) { |
| return 0L; |
| } |
| assertThat(chm.getClientHeartbeats()).isNotEmpty().hasSize(1); |
| |
| return chm.getClientHeartbeats().entrySet().iterator().next().getValue(); |
| } |
| |
| @Test |
| public void regularPingFlow() { |
| final String poolName = testName.getMethodName(); |
| parametrizedSetUp(poolName, Collections.singletonList(server1Port)); |
| InternalDistributedMember distributedMember1 = (InternalDistributedMember) server1 |
| .invoke(() -> cacheRule.getCache().getDistributedSystem().getDistributedMember()); |
| |
| client.invoke(() -> executePing(poolName, server1Port, distributedMember1)); |
| Long firstHeartbeat = server1.invoke(this::getSingleHeartBeat); |
| |
| GeodeAwaitility.await().untilAsserted(() -> { |
| client.invoke(() -> executePing(poolName, server1Port, distributedMember1)); |
| Long subsequentHeartbeat = server1.invoke(this::getSingleHeartBeat); |
| if (subsequentHeartbeat < firstHeartbeat) { |
| throw new Error("Heartbeat decreased from initial " + firstHeartbeat |
| + " to " + subsequentHeartbeat); |
| } |
| assertThat(subsequentHeartbeat) |
| .isGreaterThan(firstHeartbeat); |
| }); |
| } |
| |
| @Test |
| public void memberShouldNotRedirectPingMessageWhenClientCachedViewIdIsWrong() { |
| final String poolName = testName.getMethodName(); |
| parametrizedSetUp(poolName, Collections.singletonList(server1Port)); |
| InternalDistributedMember distributedMember1 = (InternalDistributedMember) server1 |
| .invoke(() -> cacheRule.getCache().getDistributedSystem().getDistributedMember()); |
| |
| client.invoke(() -> { |
| PoolImpl poolImpl = (PoolImpl) PoolManager.find(poolName); |
| distributedMember1.setVmViewId(distributedMember1.getVmViewId() + 1); |
| assertThatThrownBy(() -> { |
| PingOp.execute(poolImpl, new ServerLocation("localhost", server1Port), distributedMember1); |
| }).isInstanceOf(ServerOperationException.class).hasMessageContaining("has different viewId:"); |
| }); |
| } |
| |
| @Test |
| public void pingReturnsErrorIfTheTargetServerIsNotAMember() { |
| final String poolName = testName.getMethodName(); |
| parametrizedSetUp(poolName, Collections.singletonList(server1Port)); |
| int notUsedPort = getRandomAvailableTCPPorts(1)[0]; |
| InternalDistributedMember fakeDistributedMember = |
| new InternalDistributedMember("localhost", notUsedPort); |
| client.invoke(() -> { |
| PoolImpl poolImpl = (PoolImpl) PoolManager.find(poolName); |
| assertThatThrownBy(() -> { |
| PingOp.execute(poolImpl, new ServerLocation("localhost", server1Port), |
| fakeDistributedMember); |
| }).isInstanceOf(ServerOperationException.class) |
| .hasMessageContaining("Unable to ping non-member"); |
| }); |
| } |
| |
| @Test |
| public void memberShouldCorrectlyRedirectPingMessage() { |
| final String poolName = testName.getMethodName(); |
| parametrizedSetUp(poolName, asList(server1Port, server2Port)); |
| InternalDistributedMember distributedMember1 = (InternalDistributedMember) server1 |
| .invoke(() -> cacheRule.getCache().getDistributedSystem().getDistributedMember()); |
| InternalDistributedMember distributedMember2 = (InternalDistributedMember) server2 |
| .invoke(() -> cacheRule.getCache().getDistributedSystem().getDistributedMember()); |
| |
| // Run two correct pings to ensure both ClientHealthMonitors have a valid value |
| client.invoke(() -> executePing(poolName, server1Port, distributedMember1)); |
| client.invoke(() -> executePing(poolName, server2Port, distributedMember2)); |
| |
| Long firstHeartbeatServer1 = server1.invoke(this::getSingleHeartBeat); |
| Long firstHeartbeatServer2 = server2.invoke(this::getSingleHeartBeat); |
| |
| // Ping to be forwarded from server1 to server2 |
| client.invoke(() -> executePing(poolName, server1Port, distributedMember2)); |
| |
| Long secondHeartbeatServer1 = server1.invoke(this::getSingleHeartBeat); |
| Long secondHeartbeatServer2 = server2.invoke(this::getSingleHeartBeat); |
| |
| // Heartbeat in server2 changed as the ping was forwarded from server1 to him. |
| assertThat(secondHeartbeatServer1).isEqualTo(firstHeartbeatServer1); |
| assertThat(secondHeartbeatServer2).isGreaterThan(firstHeartbeatServer2); |
| } |
| } |