| /* |
| * 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.gossip; |
| |
| import com.codahale.metrics.MetricRegistry; |
| import io.teknek.tunit.TUnit; |
| |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.net.UnknownHostException; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.UUID; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.TimeUnit; |
| import org.junit.platform.runner.JUnitPlatform; |
| import org.junit.runner.RunWith; |
| import org.junit.jupiter.api.Test; |
| |
| @RunWith(JUnitPlatform.class) |
| public class TenNodeThreeSeedTest { |
| |
| @Test |
| public void test() throws UnknownHostException, InterruptedException, URISyntaxException { |
| abc(30150); |
| } |
| |
| @Test |
| public void testAgain() throws UnknownHostException, InterruptedException, URISyntaxException{ |
| abc(30100); |
| } |
| |
| public void abc(int base) throws InterruptedException, UnknownHostException, URISyntaxException{ |
| GossipSettings settings = new GossipSettings(1000, 10000, 1000, 1, 2.0, "exponential"); |
| settings.setPersistRingState(false); |
| settings.setPersistDataState(false); |
| String cluster = UUID.randomUUID().toString(); |
| int seedNodes = 3; |
| List<GossipMember> startupMembers = new ArrayList<>(); |
| for (int i = 1; i < seedNodes+1; ++i) { |
| URI uri = new URI("udp://" + "127.0.0.1" + ":" + (base + i)); |
| startupMembers.add(new RemoteGossipMember(cluster, uri, i + "")); |
| } |
| final List<GossipService> clients = new ArrayList<>(); |
| final int clusterMembers = 5; |
| for (int i = 1; i < clusterMembers+1; ++i) { |
| URI uri = new URI("udp://" + "127.0.0.1" + ":" + (base + i)); |
| GossipService gossipService = new GossipService(cluster, uri, i + "", new HashMap<String,String>(), |
| startupMembers, settings, (a,b) -> {}, new MetricRegistry()); |
| clients.add(gossipService); |
| gossipService.start(); |
| } |
| TUnit.assertThat(new Callable<Integer> (){ |
| public Integer call() throws Exception { |
| int total = 0; |
| for (int i = 0; i < clusterMembers; ++i) { |
| total += clients.get(i).getGossipManager().getLiveMembers().size(); |
| } |
| return total; |
| }}).afterWaitingAtMost(40, TimeUnit.SECONDS).isEqualTo(20); |
| |
| for (int i = 0; i < clusterMembers; ++i) { |
| int j = i; |
| new Thread(){ |
| public void run(){ |
| clients.get(j).shutdown(); |
| } |
| }.start(); |
| } |
| } |
| } |