2 * Copyright (c) 2014, 2015 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.controller.remote.rpc.registry;
11 import static org.junit.Assert.fail;
12 import static org.opendaylight.controller.remote.rpc.registry.gossip.BucketStoreAccess.Singletons.GET_ALL_BUCKETS;
13 import static org.opendaylight.controller.remote.rpc.registry.gossip.BucketStoreAccess.Singletons.GET_BUCKET_VERSIONS;
15 import akka.actor.ActorRef;
16 import akka.actor.ActorSystem;
17 import akka.actor.Address;
18 import akka.cluster.Cluster;
19 import akka.cluster.ClusterEvent.CurrentClusterState;
20 import akka.cluster.Member;
21 import akka.cluster.MemberStatus;
22 import akka.cluster.UniqueAddress;
23 import akka.testkit.javadsl.TestKit;
24 import com.google.common.base.Stopwatch;
25 import com.google.common.collect.Sets;
26 import com.google.common.util.concurrent.Uninterruptibles;
27 import com.typesafe.config.ConfigFactory;
29 import java.util.ArrayList;
30 import java.util.Arrays;
31 import java.util.Collection;
32 import java.util.Collections;
33 import java.util.List;
35 import java.util.Optional;
37 import java.util.concurrent.TimeUnit;
38 import org.junit.After;
39 import org.junit.AfterClass;
40 import org.junit.Assert;
41 import org.junit.Before;
42 import org.junit.BeforeClass;
43 import org.junit.Test;
44 import org.opendaylight.controller.cluster.common.actor.AkkaConfigurationReader;
45 import org.opendaylight.controller.remote.rpc.RemoteRpcProviderConfig;
46 import org.opendaylight.controller.remote.rpc.registry.RpcRegistry.Messages.AddOrUpdateRoutes;
47 import org.opendaylight.controller.remote.rpc.registry.RpcRegistry.Messages.RemoveRoutes;
48 import org.opendaylight.controller.remote.rpc.registry.RpcRegistry.Messages.UpdateRemoteEndpoints;
49 import org.opendaylight.controller.remote.rpc.registry.RpcRegistry.RemoteRpcEndpoint;
50 import org.opendaylight.controller.remote.rpc.registry.gossip.Bucket;
51 import org.opendaylight.mdsal.dom.api.DOMRpcIdentifier;
52 import org.opendaylight.yangtools.yang.common.QName;
53 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
54 import org.slf4j.Logger;
55 import org.slf4j.LoggerFactory;
56 import scala.concurrent.duration.Duration;
57 import scala.concurrent.duration.FiniteDuration;
59 public class RpcRegistryTest {
60 private static final Logger LOG = LoggerFactory.getLogger(RpcRegistryTest.class);
62 private static ActorSystem node1;
63 private static ActorSystem node2;
64 private static ActorSystem node3;
66 private TestKit invoker1;
67 private TestKit invoker2;
68 private TestKit invoker3;
69 private TestKit registrar1;
70 private TestKit registrar2;
71 private TestKit registrar3;
72 private ActorRef registry1;
73 private ActorRef registry2;
74 private ActorRef registry3;
76 private int routeIdCounter = 1;
79 public static void staticSetup() {
80 AkkaConfigurationReader reader = ConfigFactory::load;
82 RemoteRpcProviderConfig config1 = new RemoteRpcProviderConfig.Builder("memberA").gossipTickInterval("200ms")
83 .withConfigReader(reader).build();
84 RemoteRpcProviderConfig config2 = new RemoteRpcProviderConfig.Builder("memberB").gossipTickInterval("200ms")
85 .withConfigReader(reader).build();
86 RemoteRpcProviderConfig config3 = new RemoteRpcProviderConfig.Builder("memberC").gossipTickInterval("200ms")
87 .withConfigReader(reader).build();
88 node1 = ActorSystem.create("opendaylight-rpc", config1.get());
89 node2 = ActorSystem.create("opendaylight-rpc", config2.get());
90 node3 = ActorSystem.create("opendaylight-rpc", config3.get());
92 waitForMembersUp(node1, Cluster.get(node2).selfUniqueAddress(), Cluster.get(node3).selfUniqueAddress());
93 waitForMembersUp(node2, Cluster.get(node1).selfUniqueAddress(), Cluster.get(node3).selfUniqueAddress());
96 static void waitForMembersUp(final ActorSystem node, final UniqueAddress... addresses) {
97 Set<UniqueAddress> otherMembersSet = Sets.newHashSet(addresses);
98 Stopwatch sw = Stopwatch.createStarted();
99 while (sw.elapsed(TimeUnit.SECONDS) <= 10) {
100 CurrentClusterState state = Cluster.get(node).state();
101 for (Member m : state.getMembers()) {
102 if (m.status() == MemberStatus.up() && otherMembersSet.remove(m.uniqueAddress())
103 && otherMembersSet.isEmpty()) {
108 Uninterruptibles.sleepUninterruptibly(100, TimeUnit.MILLISECONDS);
111 fail("Member(s) " + otherMembersSet + " are not Up");
115 public static void staticTeardown() {
116 TestKit.shutdownActorSystem(node1);
117 TestKit.shutdownActorSystem(node2);
118 TestKit.shutdownActorSystem(node3);
122 public void setup() {
123 invoker1 = new TestKit(node1);
124 registrar1 = new TestKit(node1);
125 registry1 = node1.actorOf(RpcRegistry.props(config(node1), invoker1.getRef(), registrar1.getRef()));
126 invoker2 = new TestKit(node2);
127 registrar2 = new TestKit(node2);
128 registry2 = node2.actorOf(RpcRegistry.props(config(node2), invoker2.getRef(), registrar2.getRef()));
129 invoker3 = new TestKit(node3);
130 registrar3 = new TestKit(node3);
131 registry3 = node3.actorOf(RpcRegistry.props(config(node3), invoker3.getRef(), registrar3.getRef()));
134 private static RemoteRpcProviderConfig config(final ActorSystem node) {
135 return new RemoteRpcProviderConfig(node.settings().config());
139 public void teardown() {
140 if (registry1 != null) {
141 node1.stop(registry1);
143 if (registry2 != null) {
144 node2.stop(registry2);
146 if (registry3 != null) {
147 node3.stop(registry3);
150 if (invoker1 != null) {
151 node1.stop(invoker1.getRef());
153 if (invoker2 != null) {
154 node2.stop(invoker2.getRef());
156 if (invoker3 != null) {
157 node3.stop(invoker3.getRef());
160 if (registrar1 != null) {
161 node1.stop(registrar1.getRef());
163 if (registrar2 != null) {
164 node2.stop(registrar2.getRef());
166 if (registrar3 != null) {
167 node3.stop(registrar3.getRef());
172 * One node cluster. 1. Register rpc, ensure router can be found 2. Then remove rpc, ensure its
176 public void testAddRemoveRpcOnSameNode() {
177 LOG.info("testAddRemoveRpcOnSameNode starting");
179 Address nodeAddress = node1.provider().getDefaultAddress();
183 List<DOMRpcIdentifier> addedRouteIds = createRouteIds();
185 registry1.tell(new AddOrUpdateRoutes(addedRouteIds), ActorRef.noSender());
187 // Bucket store should get an update bucket message. Updated bucket contains added rpc.
188 final TestKit testKit = new TestKit(node1);
190 Map<Address, Bucket<RoutingTable>> buckets = retrieveBuckets(registry1, testKit, nodeAddress);
191 verifyBucket(buckets.get(nodeAddress), addedRouteIds);
193 Map<Address, Long> versions = retrieveVersions(registry1, testKit);
194 Assert.assertEquals("Version for bucket " + nodeAddress, (Long) buckets.get(nodeAddress).getVersion(),
195 versions.get(nodeAddress));
198 registry1.tell(new RemoveRoutes(addedRouteIds), ActorRef.noSender());
200 // Bucket store should get an update bucket message. Rpc is removed in the updated bucket
202 verifyEmptyBucket(testKit, registry1, nodeAddress);
204 LOG.info("testAddRemoveRpcOnSameNode ending");
209 * Three node cluster. 1. Register rpc on 1 node, ensure 2nd node gets updated 2. Remove rpc on
210 * 1 node, ensure 2nd node gets updated
213 public void testRpcAddRemoveInCluster() {
215 LOG.info("testRpcAddRemoveInCluster starting");
217 List<DOMRpcIdentifier> addedRouteIds = createRouteIds();
219 Address node1Address = node1.provider().getDefaultAddress();
222 registry1.tell(new AddOrUpdateRoutes(addedRouteIds), ActorRef.noSender());
224 // Bucket store on node2 should get a message to update its local copy of remote buckets
225 final TestKit testKit = new TestKit(node2);
227 Map<Address, Bucket<RoutingTable>> buckets = retrieveBuckets(registry2, testKit, node1Address);
228 verifyBucket(buckets.get(node1Address), addedRouteIds);
231 registry1.tell(new RemoveRoutes(addedRouteIds), ActorRef.noSender());
233 // Bucket store on node2 should get a message to update its local copy of remote buckets.
234 // Wait for the bucket for node1 to be empty.
236 verifyEmptyBucket(testKit, registry2, node1Address);
238 LOG.info("testRpcAddRemoveInCluster ending");
241 private void verifyEmptyBucket(final TestKit testKit, final ActorRef registry, final Address address)
242 throws AssertionError {
243 Map<Address, Bucket<RoutingTable>> buckets;
246 buckets = retrieveBuckets(registry1, testKit, address);
249 verifyBucket(buckets.get(address), Collections.emptyList());
251 } catch (AssertionError e) {
252 if (++numTries >= 50) {
257 Uninterruptibles.sleepUninterruptibly(200, TimeUnit.MILLISECONDS);
262 * Three node cluster. Register rpc on 2 nodes. Ensure 3rd gets updated.
265 public void testRpcAddedOnMultiNodes() {
266 final TestKit testKit = new TestKit(node3);
269 List<DOMRpcIdentifier> addedRouteIds1 = createRouteIds();
270 registry1.tell(new AddOrUpdateRoutes(addedRouteIds1), ActorRef.noSender());
272 final UpdateRemoteEndpoints req1 = registrar3.expectMsgClass(Duration.create(3, TimeUnit.SECONDS),
273 UpdateRemoteEndpoints.class);
276 List<DOMRpcIdentifier> addedRouteIds2 = createRouteIds();
277 registry2.tell(new AddOrUpdateRoutes(addedRouteIds2), ActorRef.noSender());
279 final UpdateRemoteEndpoints req2 = registrar3.expectMsgClass(Duration.create(3, TimeUnit.SECONDS),
280 UpdateRemoteEndpoints.class);
281 Address node2Address = node2.provider().getDefaultAddress();
282 Address node1Address = node1.provider().getDefaultAddress();
284 Map<Address, Bucket<RoutingTable>> buckets = retrieveBuckets(registry3, testKit, node1Address,
287 verifyBucket(buckets.get(node1Address), addedRouteIds1);
288 verifyBucket(buckets.get(node2Address), addedRouteIds2);
290 Map<Address, Long> versions = retrieveVersions(registry3, testKit);
291 Assert.assertEquals("Version for bucket " + node1Address, (Long) buckets.get(node1Address).getVersion(),
292 versions.get(node1Address));
293 Assert.assertEquals("Version for bucket " + node2Address, (Long) buckets.get(node2Address).getVersion(),
294 versions.get(node2Address));
296 assertEndpoints(req1, node1Address, invoker1);
297 assertEndpoints(req2, node2Address, invoker2);
301 private static void assertEndpoints(final UpdateRemoteEndpoints msg, final Address address, final TestKit invoker) {
302 final Map<Address, Optional<RemoteRpcEndpoint>> endpoints = msg.getEndpoints();
303 Assert.assertEquals(1, endpoints.size());
305 final Optional<RemoteRpcEndpoint> maybeEndpoint = endpoints.get(address);
306 Assert.assertNotNull(maybeEndpoint);
307 Assert.assertTrue(maybeEndpoint.isPresent());
309 final RemoteRpcEndpoint endpoint = maybeEndpoint.get();
310 final ActorRef router = endpoint.getRouter();
311 Assert.assertNotNull(router);
313 router.tell("hello", ActorRef.noSender());
314 final String s = invoker.expectMsgClass(Duration.create(3, TimeUnit.SECONDS), String.class);
315 Assert.assertEquals("hello", s);
318 private static Map<Address, Long> retrieveVersions(final ActorRef bucketStore, final TestKit testKit) {
319 bucketStore.tell(GET_BUCKET_VERSIONS, testKit.getRef());
320 @SuppressWarnings("unchecked")
321 final Map<Address, Long> reply = testKit.expectMsgClass(Duration.create(3, TimeUnit.SECONDS), Map.class);
325 private static void verifyBucket(final Bucket<RoutingTable> bucket, final List<DOMRpcIdentifier> expRouteIds) {
326 RoutingTable table = bucket.getData();
327 Assert.assertNotNull("Bucket RoutingTable is null", table);
328 for (DOMRpcIdentifier r : expRouteIds) {
329 if (!table.contains(r)) {
330 Assert.fail("RoutingTable does not contain " + r + ". Actual: " + table);
334 Assert.assertEquals("RoutingTable size", expRouteIds.size(), table.size());
337 private static Map<Address, Bucket<RoutingTable>> retrieveBuckets(final ActorRef bucketStore,
338 final TestKit testKit, final Address... addresses) {
341 bucketStore.tell(GET_ALL_BUCKETS, testKit.getRef());
342 @SuppressWarnings("unchecked")
343 Map<Address, Bucket<RoutingTable>> buckets = testKit.expectMsgClass(Duration.create(3, TimeUnit.SECONDS),
346 boolean foundAll = true;
347 for (Address addr : addresses) {
348 Bucket<RoutingTable> bucket = buckets.get(addr);
349 if (bucket == null) {
359 if (++numTries >= 50) {
360 Assert.fail("Missing expected buckets for addresses: " + Arrays.toString(addresses)
361 + ", Actual: " + buckets);
364 Uninterruptibles.sleepUninterruptibly(200, TimeUnit.MILLISECONDS);
369 public void testAddRoutesConcurrency() {
370 final TestKit testKit = new TestKit(node1);
372 final int nRoutes = 500;
373 final Collection<DOMRpcIdentifier> added = new ArrayList<>(nRoutes);
374 for (int i = 0; i < nRoutes; i++) {
375 final DOMRpcIdentifier routeId = DOMRpcIdentifier.create(SchemaPath.create(true,
376 QName.create(URI.create("/mockrpc"), "type" + i)));
379 //Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
380 registry1.tell(new AddOrUpdateRoutes(Arrays.asList(routeId)),
381 ActorRef.noSender());
384 FiniteDuration duration = Duration.create(3, TimeUnit.SECONDS);
387 registry1.tell(GET_ALL_BUCKETS, testKit.getRef());
388 @SuppressWarnings("unchecked")
389 Map<Address, Bucket<RoutingTable>> buckets = testKit.expectMsgClass(duration, Map.class);
391 Bucket<RoutingTable> localBucket = buckets.values().iterator().next();
392 RoutingTable table = localBucket.getData();
393 if (table != null && table.size() == nRoutes) {
394 for (DOMRpcIdentifier r : added) {
395 Assert.assertTrue("RoutingTable contains " + r, table.contains(r));
401 if (++numTries >= 50) {
402 Assert.fail("Expected # routes: " + nRoutes + ", Actual: " + table.size());
405 Uninterruptibles.sleepUninterruptibly(200, TimeUnit.MILLISECONDS);
409 private List<DOMRpcIdentifier> createRouteIds() {
410 QName type = QName.create(URI.create("/mockrpc"), "mockrpc" + routeIdCounter++);
411 List<DOMRpcIdentifier> routeIds = new ArrayList<>(1);
412 routeIds.add(DOMRpcIdentifier.create(SchemaPath.create(true, type)));