| /* |
| * 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.distributed.test.ring; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.locks.LockSupport; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import org.apache.cassandra.distributed.Cluster; |
| import org.apache.cassandra.distributed.test.TestBaseImpl; |
| |
| import static org.apache.cassandra.distributed.action.GossipHelper.decommission; |
| import static org.apache.cassandra.distributed.api.Feature.GOSSIP; |
| import static org.apache.cassandra.distributed.api.Feature.NATIVE_PROTOCOL; |
| import static org.apache.cassandra.distributed.api.Feature.NETWORK; |
| import static org.apache.cassandra.utils.Clock.Global.currentTimeMillis; |
| |
| public class CommunicationDuringDecommissionTest extends TestBaseImpl |
| { |
| @Test |
| public void internodeConnectionsDuringDecom() throws Throwable |
| { |
| try (Cluster cluster = builder().withNodes(4) |
| .withConfig(config -> config.with(NETWORK, GOSSIP, NATIVE_PROTOCOL)) |
| .start()) |
| { |
| BootstrapTest.populate(cluster, 0, 100); |
| |
| cluster.run(decommission(), 1); |
| |
| cluster.filters().allVerbs().from(1).messagesMatching((i, i1, iMessage) -> { |
| throw new AssertionError("Decomissioned node should not send any messages"); |
| }).drop(); |
| |
| |
| Map<Integer, Long> connectionAttempts = new HashMap<>(); |
| long deadline = currentTimeMillis() + TimeUnit.SECONDS.toMillis(10); |
| |
| // Wait 10 seconds and check if there are any new connection attempts to the decomissioned node |
| while (currentTimeMillis() <= deadline) |
| { |
| for (int i = 2; i <= cluster.size(); i++) |
| { |
| Object[][] res = cluster.get(i).executeInternal("SELECT active_connections, connection_attempts FROM system_views.internode_outbound WHERE address = '127.0.0.1' AND port = 7012"); |
| Assert.assertEquals(1, res.length); |
| Assert.assertEquals(0L, ((Long) res[0][0]).longValue()); |
| long attempts = ((Long) res[0][1]).longValue(); |
| if (connectionAttempts.get(i) == null) |
| connectionAttempts.put(i, attempts); |
| else |
| Assert.assertEquals(connectionAttempts.get(i), (Long) attempts); |
| } |
| LockSupport.parkNanos(TimeUnit.MILLISECONDS.toNanos(100)); |
| } |
| } |
| } |
| } |