| /* |
| * 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.ignite.spi.communication.tcp; |
| |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.UUID; |
| import org.apache.ignite.Ignite; |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.IgniteException; |
| import org.apache.ignite.cluster.ClusterNode; |
| import org.apache.ignite.configuration.IgniteConfiguration; |
| import org.apache.ignite.internal.IgniteEx; |
| import org.apache.ignite.internal.managers.communication.GridIoMessage; |
| import org.apache.ignite.internal.util.UUIDCollectionMessage; |
| import org.apache.ignite.internal.util.nio.GridCommunicationClient; |
| import org.apache.ignite.lang.IgniteInClosure; |
| import org.apache.ignite.plugin.extensions.communication.Message; |
| import org.apache.ignite.spi.IgniteSpiException; |
| import org.apache.ignite.spi.communication.tcp.internal.TcpInverseConnectionResponseMessage; |
| import org.apache.ignite.spi.discovery.tcp.internal.TcpDiscoveryNode; |
| import org.apache.ignite.testframework.GridTestUtils; |
| import org.apache.ignite.testframework.MemorizingAppender; |
| import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; |
| import org.apache.logging.log4j.Level; |
| import org.apache.logging.log4j.core.LogEvent; |
| import org.junit.Test; |
| |
| import static java.util.Collections.singletonList; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.Matchers.is; |
| |
| /** |
| * Tests logging in {@link TcpCommunicationSpi} when inverse connection to a client is tried to be established. |
| */ |
| public class TcpCommunicationSpiInverseConnectionLoggingTest extends GridCommonAbstractTest { |
| /***/ |
| private static final String SERVER_NAME = "server"; |
| |
| /***/ |
| private static final String CLIENT_NAME = "client"; |
| |
| /** */ |
| private static final String UNREACHABLE_IP = "172.31.30.132"; |
| |
| /***/ |
| private final MemorizingAppender log4jAppender = new MemorizingAppender(); |
| |
| /** {@inheritDoc} */ |
| @Override protected IgniteConfiguration getConfiguration(String gridName) throws Exception { |
| IgniteConfiguration cfg = super.getConfiguration(gridName); |
| |
| cfg.setFailureDetectionTimeout(2_000); |
| |
| TcpCommunicationSpi spi = new TestCommunicationSpi(); |
| |
| spi.setForceClientToServerConnections(true); |
| |
| cfg.setCommunicationSpi(spi); |
| |
| return cfg; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void beforeTest() throws Exception { |
| super.beforeTest(); |
| |
| log4jAppender.installSelfOn(TestCommunicationSpi.class); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void afterTest() throws Exception { |
| log4jAppender.removeSelfFrom(TestCommunicationSpi.class); |
| |
| stopAllGrids(); |
| |
| super.afterTest(); |
| } |
| |
| /** |
| * Tests that an exception that is produced when we cause an inversion connection opening from the client's side |
| * is logged with WARN. |
| * |
| * @throws Exception If something goes wrong. |
| */ |
| @Test |
| public void logsWarnForExceptionMeaningSwitchToInverseConnection() throws Exception { |
| IgniteEx server = startGrid(SERVER_NAME); |
| IgniteEx client = startClientGrid(CLIENT_NAME); |
| |
| ClusterNode clientNode = client.localNode(); |
| |
| interruptCommWorkerThreads(client.name()); |
| |
| TcpCommunicationSpi spi = (TcpCommunicationSpi)server.configuration().getCommunicationSpi(); |
| |
| GridTestUtils.invoke(spi, "onNodeLeft", clientNode.consistentId(), clientNode.id()); |
| |
| sendFailingMessage(server, clientNode); |
| |
| LogEvent event = log4jAppender.singleEventSatisfying( |
| evt -> evt.getMessage().getFormattedMessage().startsWith("Failed to send message to remote node ") |
| ); |
| |
| assertThat(event.getLevel(), is(Level.WARN)); |
| } |
| |
| /** |
| * We need to interrupt communication worker client nodes so that |
| * closed connection won't automatically reopen when we don't expect it. |
| * |
| * @param clientName The name of the client whose threads we want to interrupt. |
| */ |
| private void interruptCommWorkerThreads(String clientName) { |
| CommunicationWorkerThreadUtils.interruptCommWorkerThreads(clientName, log); |
| } |
| |
| /** |
| * Sends some message from one Ignite node to another node, the send will fail because an inverse connection |
| * cannot be established. |
| * |
| * @param sourceIgnite Ignite node from which to send a message. |
| * @param targetNode Target node to which to send the message. |
| */ |
| private void sendFailingMessage(Ignite sourceIgnite, ClusterNode targetNode) { |
| GridTestUtils.assertThrows( |
| log, |
| () -> sourceIgnite.configuration().getCommunicationSpi().sendMessage(targetNode, someMessage()), |
| Exception.class, |
| null |
| ); |
| } |
| |
| /** |
| * Returns some message. |
| * |
| * @return Some message. |
| */ |
| private UUIDCollectionMessage someMessage() { |
| return new UUIDCollectionMessage(singletonList(UUID.randomUUID())); |
| } |
| |
| /** |
| * A custom {@link TcpCommunicationSpi} that allows to model the situation when an inverse connection must be |
| * established, but it cannot be. |
| */ |
| private static class TestCommunicationSpi extends TcpCommunicationSpi { |
| /** {@inheritDoc} */ |
| @Override protected GridCommunicationClient createTcpClient(ClusterNode node, int connIdx) throws IgniteCheckedException { |
| if (node.isClient()) { |
| Map<String, Object> attrs = new HashMap<>(node.attributes()); |
| |
| attrs.put(createAttributeName(ATTR_ADDRS), Collections.singleton(UNREACHABLE_IP)); |
| attrs.put(createAttributeName(ATTR_PORT), 47200); |
| attrs.put(createAttributeName(ATTR_EXT_ADDRS), Collections.emptyList()); |
| attrs.put(createAttributeName(ATTR_HOST_NAMES), Collections.emptyList()); |
| |
| ((TcpDiscoveryNode)(node)).setAttributes(attrs); |
| } |
| |
| return super.createTcpClient(node, connIdx); |
| } |
| |
| /** |
| * Creates an attribute name by prepending it with the class name (and a dot). |
| * |
| * @param name Name. |
| */ |
| private String createAttributeName(String name) { |
| return getClass().getSimpleName() + '.' + name; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void sendMessage( |
| ClusterNode node, |
| Message msg, |
| IgniteInClosure<IgniteException> ackC |
| ) throws IgniteSpiException { |
| if (msg instanceof GridIoMessage) { |
| GridIoMessage msg0 = (GridIoMessage)msg; |
| |
| if (msg0.message() instanceof TcpInverseConnectionResponseMessage) { |
| if (log.isInfoEnabled()) |
| log.info("Client skips inverse connection response to server: " + node); |
| |
| return; |
| } |
| } |
| |
| super.sendMessage(node, msg, ackC); |
| } |
| } |
| } |