| /* |
| * 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.cassandra.transport; |
| |
| import java.util.Collections; |
| import java.util.concurrent.LinkedBlockingQueue; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| import org.apache.cassandra.cql3.CQLTester; |
| import org.apache.cassandra.locator.InetAddressAndPort; |
| import org.apache.cassandra.service.StorageService; |
| import org.apache.cassandra.transport.messages.RegisterMessage; |
| import org.apache.cassandra.utils.FBUtilities; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| @RunWith(Parameterized.class) |
| public class ClientNotificiationsTest extends CQLTester |
| { |
| private static Server.EventNotifier notifier = new Server.EventNotifier(); |
| |
| @Before |
| public void setup() |
| { |
| requireNetwork(builder -> builder.withEventNotifier(notifier)); |
| } |
| |
| @Parameterized.Parameter(0) |
| public ProtocolVersion version; |
| |
| @Parameterized.Parameters(name = "{index}: protocol version={0}") |
| public static Iterable<ProtocolVersion> params() |
| { |
| return ProtocolVersion.SUPPORTED; |
| } |
| |
| @Test |
| public void testNotifications() throws Exception |
| { |
| SimpleClient.Builder builder = SimpleClient.builder(nativeAddr.getHostAddress(), nativePort) |
| .protocolVersion(version); |
| if (version.isBeta()) |
| builder.useBeta(); |
| |
| try (SimpleClient client = builder.build()) |
| { |
| EventHandler handler = new EventHandler(); |
| client.setEventHandler(handler); |
| client.connect(false); |
| client.execute(new RegisterMessage(Collections.singletonList(Event.Type.STATUS_CHANGE))); |
| client.execute(new RegisterMessage(Collections.singletonList(Event.Type.TOPOLOGY_CHANGE))); |
| client.execute(new RegisterMessage(Collections.singletonList(Event.Type.SCHEMA_CHANGE))); |
| |
| InetAddressAndPort broadcastAddress = FBUtilities.getBroadcastAddressAndPort(); |
| InetAddressAndPort nativeAddress = FBUtilities.getBroadcastNativeAddressAndPort(); |
| |
| // Necessary or else the NEW_NODE notification is deferred (CASSANDRA-11038) |
| // (note: this works because the notifications are for the local address) |
| StorageService.instance.setRpcReady(true); |
| |
| notifier.onUp(broadcastAddress); |
| notifier.onDown(broadcastAddress); |
| notifier.onJoinCluster(broadcastAddress); |
| notifier.onMove(broadcastAddress); |
| notifier.onLeaveCluster(broadcastAddress); |
| notifier.onCreateKeyspace("ks"); |
| notifier.onAlterKeyspace("ks"); |
| notifier.onDropKeyspace("ks"); |
| |
| handler.assertNextEvent(Event.StatusChange.nodeUp(nativeAddress)); |
| handler.assertNextEvent(Event.StatusChange.nodeDown(nativeAddress)); |
| handler.assertNextEvent(Event.TopologyChange.newNode(nativeAddress)); |
| handler.assertNextEvent(Event.TopologyChange.movedNode(nativeAddress)); |
| handler.assertNextEvent(Event.TopologyChange.removedNode(nativeAddress)); |
| handler.assertNextEvent(new Event.SchemaChange(Event.SchemaChange.Change.CREATED, "ks")); |
| handler.assertNextEvent(new Event.SchemaChange(Event.SchemaChange.Change.UPDATED, "ks")); |
| handler.assertNextEvent(new Event.SchemaChange(Event.SchemaChange.Change.DROPPED, "ks")); |
| } |
| } |
| |
| static class EventHandler extends SimpleClient.SimpleEventHandler |
| { |
| public void assertNextEvent(Event expected) |
| { |
| try |
| { |
| Event actual = queue.poll(100, TimeUnit.MILLISECONDS); |
| assertEquals(expected, actual); |
| } |
| catch (InterruptedException e) |
| { |
| throw new AssertionError(String.format("Expected event %s, but not received withing timeout", expected)); |
| } |
| } |
| } |
| } |