| /* |
| * 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.internal; |
| |
| import java.util.UUID; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.atomic.AtomicInteger; |
| import org.apache.ignite.IgniteException; |
| import org.apache.ignite.cluster.ClusterNode; |
| import org.apache.ignite.internal.util.typedef.PA; |
| import org.apache.ignite.messaging.MessagingListenActor; |
| import org.apache.ignite.testframework.GridTestUtils; |
| import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; |
| import org.junit.Test; |
| |
| /** |
| * Tests for {@link org.apache.ignite.messaging.MessagingListenActor}. |
| */ |
| public class GridListenActorSelfTest extends GridCommonAbstractTest { |
| /** */ |
| private static final int MSG_QTY = 10; |
| |
| /** */ |
| private static final int PING_PONG_STEPS = 10; |
| |
| /** {@inheritDoc} */ |
| @Override protected void beforeTestsStarted() throws Exception { |
| startGrid(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void afterTest() throws Exception { |
| ((IgniteKernal)grid()).context().io(). |
| removeMessageListener(GridTopic.TOPIC_COMM_USER.name()); |
| } |
| |
| /** |
| * |
| * @throws Exception Thrown if failed. |
| */ |
| @Test |
| public void testBasicFlow() throws Exception { |
| final AtomicInteger cnt = new AtomicInteger(0); |
| |
| grid().message().localListen(null, new MessagingListenActor<String>() { |
| @Override public void receive(UUID uuid, String rcvMsg) { |
| if ("TEST".equals(rcvMsg)) { |
| cnt.incrementAndGet(); |
| |
| // "Exit" after 1st message. |
| // Should never receive any more messages. |
| stop(); |
| } else { |
| assert false : "Unknown message: " + rcvMsg; |
| |
| stop(); |
| } |
| } |
| }); |
| |
| grid().message().send(null, "TEST"); // This message we should receive. |
| |
| // Flood it. |
| for (int i = 0; i < 100; i++) |
| grid().message().send(null, "TEST"); // This message should be lost... |
| |
| Thread.sleep(2000); |
| |
| assert cnt.get() == 1 : "Count is " + cnt.get(); |
| } |
| |
| /** |
| * @throws Exception If failed. |
| */ |
| @Test |
| public void testImmediateStop() throws Exception { |
| doSendReceive(MSG_QTY, 1); |
| } |
| |
| /** |
| * @throws Exception If failed. |
| */ |
| @Test |
| public void testReceiveAll() throws Exception { |
| doSendReceive(MSG_QTY, MSG_QTY); |
| } |
| |
| /** |
| * Testing {@link org.apache.ignite.messaging.MessagingListenActor#respond(UUID, Object)} method. |
| * |
| * @throws Exception If failed. |
| */ |
| @Test |
| public void testRespondToRemote() throws Exception { |
| startGrid(1); |
| |
| try { |
| final ClusterNode rmt = grid(1).localNode(); |
| |
| grid().message().localListen(null, new MessagingListenActor<String>() { |
| @Override protected void receive(UUID nodeId, String rcvMsg) throws IgniteException { |
| System.out.println("Local node received message: '" + rcvMsg + "'"); |
| |
| respond(rmt.id(), "RESPONSE"); |
| } |
| }); |
| |
| final AtomicInteger cnt = new AtomicInteger(); |
| |
| // Response listener |
| grid(1).message().localListen(null, new MessagingListenActor<String>() { |
| @Override public void receive(UUID nodeId, String rcvMsg) { |
| if ("RESPONSE".equals(rcvMsg)) { |
| System.out.println("Remote node received message: '" + rcvMsg + "'"); |
| |
| cnt.incrementAndGet(); |
| } |
| } |
| }); |
| |
| grid().message().send(null, "REQUEST"); |
| |
| assert GridTestUtils.waitForCondition(new PA() { |
| @Override public boolean apply() { |
| return cnt.intValue() == 1; |
| } |
| }, getTestTimeout()); |
| } |
| finally { |
| stopGrid(1); |
| } |
| } |
| |
| /** |
| * @throws Exception If failed. |
| */ |
| @Test |
| public void testPingPong() throws Exception { |
| final AtomicInteger pingCnt = new AtomicInteger(); |
| final AtomicInteger pongCnt = new AtomicInteger(); |
| |
| final CountDownLatch latch = new CountDownLatch(PING_PONG_STEPS); |
| |
| grid().message().localListen(null, new MessagingListenActor<String>() { |
| @Override protected void receive(UUID nodeId, String rcvMsg) { |
| System.out.println("Received message: '" + rcvMsg + "'"); |
| |
| if ("PING".equals(rcvMsg)) { |
| pingCnt.incrementAndGet(); |
| |
| respond("PONG"); |
| } else if ("PONG".equals(rcvMsg)) { |
| pongCnt.incrementAndGet(); |
| |
| latch.countDown(); |
| |
| if (latch.getCount() > 0) |
| respond("PING"); |
| else |
| stop(); |
| } |
| } |
| }); |
| |
| grid().message().send(null, "PING"); |
| |
| latch.await(); |
| |
| assert pingCnt.intValue() == PING_PONG_STEPS; |
| assert pongCnt.intValue() == PING_PONG_STEPS; |
| } |
| |
| /** |
| * @param snd Sent messages quantity. |
| * @param rcv Max quantity of received messages before listener is removed. |
| * @throws Exception IF failed. |
| */ |
| private void doSendReceive(int snd, final int rcv) throws Exception { |
| assert rcv > 0; |
| assert snd >= 0; |
| |
| final AtomicInteger cnt = new AtomicInteger(0); |
| |
| grid().message().localListen(null, new MessagingListenActor<String>() { |
| @Override protected void receive(UUID nodeId, String rcvMsg) { |
| System.out.println(Thread.currentThread().getName() + "# Received message: '" + rcvMsg + "'"); |
| |
| cnt.incrementAndGet(); |
| |
| if (cnt.intValue() == rcv) { |
| System.out.println(Thread.currentThread().getName() + "Calling stop..."); |
| |
| stop(); |
| } else if (cnt.intValue() < rcv) |
| skip(); |
| else |
| assert false; |
| } |
| }); |
| |
| for (int i = 1; i <= snd; i++) { |
| String msg = "MESSAGE " + i; |
| |
| grid().message().send(null, msg); |
| |
| System.out.println(Thread.currentThread().getName() + "# Sent message: '" + msg + "'"); |
| } |
| |
| Thread.sleep(2000); |
| |
| assert cnt.intValue() == rcv; |
| } |
| } |