| /* |
| * Copyright 2016-present Open Networking Laboratory |
| * |
| * Licensed 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.onosproject.store.cluster.messaging.impl; |
| |
| import com.google.common.collect.Sets; |
| import com.google.common.util.concurrent.MoreExecutors; |
| import com.google.common.util.concurrent.Uninterruptibles; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Ignore; |
| import org.junit.Test; |
| import org.onlab.packet.IpAddress; |
| import org.onosproject.cluster.ClusterMetadata; |
| import org.onosproject.cluster.ClusterMetadataEventListener; |
| import org.onosproject.cluster.ClusterMetadataService; |
| import org.onosproject.cluster.ControllerNode; |
| import org.onosproject.cluster.NodeId; |
| import org.onosproject.core.HybridLogicalClockService; |
| import org.onosproject.core.HybridLogicalTime; |
| import org.onosproject.net.provider.ProviderId; |
| import org.onosproject.store.cluster.messaging.Endpoint; |
| |
| import java.util.Arrays; |
| import java.util.UUID; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.concurrent.atomic.AtomicLong; |
| import java.util.concurrent.atomic.AtomicReference; |
| import java.util.function.BiFunction; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| import static org.onlab.junit.TestTools.findAvailablePort; |
| |
| /** |
| * Unit tests for NettyMessaging. |
| */ |
| public class NettyMessagingManagerTest { |
| |
| HybridLogicalClockService testClockService = new HybridLogicalClockService() { |
| AtomicLong counter = new AtomicLong(); |
| @Override |
| public HybridLogicalTime timeNow() { |
| return new HybridLogicalTime(counter.incrementAndGet(), 0); |
| } |
| |
| @Override |
| public void recordEventTime(HybridLogicalTime time) { |
| } |
| }; |
| |
| NettyMessagingManager netty1; |
| NettyMessagingManager netty2; |
| |
| private static final String DUMMY_NAME = "node"; |
| private static final String IP_STRING = "127.0.0.1"; |
| |
| Endpoint ep1 = new Endpoint(IpAddress.valueOf(IP_STRING), 5001); |
| Endpoint ep2 = new Endpoint(IpAddress.valueOf(IP_STRING), 5002); |
| Endpoint invalidEndPoint = new Endpoint(IpAddress.valueOf(IP_STRING), 5003); |
| |
| @Before |
| public void setUp() throws Exception { |
| ep1 = new Endpoint(IpAddress.valueOf("127.0.0.1"), findAvailablePort(5001)); |
| netty1 = new NettyMessagingManager(); |
| netty1.clusterMetadataService = dummyMetadataService(DUMMY_NAME, IP_STRING, ep1); |
| netty1.clockService = testClockService; |
| netty1.activate(); |
| |
| ep2 = new Endpoint(IpAddress.valueOf("127.0.0.1"), findAvailablePort(5003)); |
| netty2 = new NettyMessagingManager(); |
| netty2.clusterMetadataService = dummyMetadataService(DUMMY_NAME, IP_STRING, ep2); |
| netty2.clockService = testClockService; |
| netty2.activate(); |
| } |
| |
| /** |
| * Returns a random String to be used as a test subject. |
| * @return string |
| */ |
| private String nextSubject() { |
| return UUID.randomUUID().toString(); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| if (netty1 != null) { |
| netty1.deactivate(); |
| } |
| |
| if (netty2 != null) { |
| netty2.deactivate(); |
| } |
| } |
| |
| @Test |
| public void testSendAsync() { |
| String subject = nextSubject(); |
| CountDownLatch latch1 = new CountDownLatch(1); |
| CompletableFuture<Void> response = netty1.sendAsync(ep2, subject, "hello world".getBytes()); |
| response.whenComplete((r, e) -> { |
| assertNull(e); |
| latch1.countDown(); |
| }); |
| Uninterruptibles.awaitUninterruptibly(latch1); |
| |
| CountDownLatch latch2 = new CountDownLatch(1); |
| response = netty1.sendAsync(invalidEndPoint, subject, "hello world".getBytes()); |
| response.whenComplete((r, e) -> { |
| assertNotNull(e); |
| latch2.countDown(); |
| }); |
| Uninterruptibles.awaitUninterruptibly(latch2); |
| } |
| |
| @Test |
| @Ignore // FIXME disabled on 9/29/16 due to random failures |
| public void testSendAndReceive() { |
| String subject = nextSubject(); |
| AtomicBoolean handlerInvoked = new AtomicBoolean(false); |
| AtomicReference<byte[]> request = new AtomicReference<>(); |
| AtomicReference<Endpoint> sender = new AtomicReference<>(); |
| |
| BiFunction<Endpoint, byte[], byte[]> handler = (ep, data) -> { |
| handlerInvoked.set(true); |
| sender.set(ep); |
| request.set(data); |
| return "hello there".getBytes(); |
| }; |
| netty2.registerHandler(subject, handler, MoreExecutors.directExecutor()); |
| |
| CompletableFuture<byte[]> response = netty1.sendAndReceive(ep2, subject, "hello world".getBytes()); |
| assertTrue(Arrays.equals("hello there".getBytes(), response.join())); |
| assertTrue(handlerInvoked.get()); |
| assertTrue(Arrays.equals(request.get(), "hello world".getBytes())); |
| assertEquals(ep1, sender.get()); |
| } |
| |
| /* |
| * Supplies executors when registering a handler and calling sendAndReceive and verifies the request handling |
| * and response completion occurs on the expected thread. |
| */ |
| @Test |
| @Ignore |
| public void testSendAndReceiveWithExecutor() { |
| String subject = nextSubject(); |
| ExecutorService completionExecutor = Executors.newSingleThreadExecutor(r -> new Thread(r, "completion-thread")); |
| ExecutorService handlerExecutor = Executors.newSingleThreadExecutor(r -> new Thread(r, "handler-thread")); |
| AtomicReference<String> handlerThreadName = new AtomicReference<>(); |
| AtomicReference<String> completionThreadName = new AtomicReference<>(); |
| |
| final CountDownLatch latch = new CountDownLatch(1); |
| |
| BiFunction<Endpoint, byte[], byte[]> handler = (ep, data) -> { |
| handlerThreadName.set(Thread.currentThread().getName()); |
| try { |
| latch.await(); |
| } catch (InterruptedException e1) { |
| Thread.currentThread().interrupt(); |
| fail("InterruptedException"); |
| } |
| return "hello there".getBytes(); |
| }; |
| netty2.registerHandler(subject, handler, handlerExecutor); |
| |
| CompletableFuture<byte[]> response = netty1.sendAndReceive(ep2, |
| subject, |
| "hello world".getBytes(), |
| completionExecutor); |
| response.whenComplete((r, e) -> { |
| completionThreadName.set(Thread.currentThread().getName()); |
| }); |
| latch.countDown(); |
| |
| // Verify that the message was request handling and response completion happens on the correct thread. |
| assertTrue(Arrays.equals("hello there".getBytes(), response.join())); |
| assertEquals("completion-thread", completionThreadName.get()); |
| assertEquals("handler-thread", handlerThreadName.get()); |
| } |
| |
| private ClusterMetadataService dummyMetadataService(String name, String ipAddress, Endpoint ep) { |
| return new ClusterMetadataService() { |
| @Override |
| public ClusterMetadata getClusterMetadata() { |
| return new ClusterMetadata(new ProviderId(DUMMY_NAME, DUMMY_NAME), |
| name, Sets.newHashSet(), Sets.newHashSet()); |
| } |
| |
| @Override |
| public ControllerNode getLocalNode() { |
| return new ControllerNode() { |
| @Override |
| public NodeId id() { |
| return null; |
| } |
| |
| @Override |
| public IpAddress ip() { |
| return IpAddress.valueOf(ipAddress); |
| } |
| |
| @Override |
| public int tcpPort() { |
| return ep.port(); |
| } |
| }; |
| } |
| |
| @Override |
| public void addListener(ClusterMetadataEventListener listener) {} |
| |
| @Override |
| public void removeListener(ClusterMetadataEventListener listener) {} |
| }; |
| } |
| } |