| /* |
| * 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.tuweni.plumtree.vertx; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertNull; |
| import static org.junit.jupiter.api.Assertions.assertTrue; |
| |
| import org.apache.tuweni.bytes.Bytes; |
| import org.apache.tuweni.junit.VertxExtension; |
| import org.apache.tuweni.junit.VertxInstance; |
| import org.apache.tuweni.plumtree.EphemeralPeerRepository; |
| import org.apache.tuweni.plumtree.MessageListener; |
| |
| import io.vertx.core.Vertx; |
| import org.junit.jupiter.api.Test; |
| import org.junit.jupiter.api.extension.ExtendWith; |
| |
| @ExtendWith(VertxExtension.class) |
| class VertxGossipServerTest { |
| |
| private static class MessageListenerImpl implements MessageListener { |
| |
| public Bytes message; |
| |
| @Override |
| public void listen(Bytes messageBody, String attributes) { |
| message = messageBody; |
| } |
| } |
| |
| @Test |
| void gossipDeadBeefToOtherNode(@VertxInstance Vertx vertx) throws Exception { |
| |
| MessageListenerImpl messageReceived1 = new MessageListenerImpl(); |
| MessageListenerImpl messageReceived2 = new MessageListenerImpl(); |
| |
| VertxGossipServer server1 = new VertxGossipServer( |
| vertx, |
| "127.0.0.1", |
| 10000, |
| bytes -> bytes, |
| new EphemeralPeerRepository(), |
| messageReceived1, |
| (message, peer) -> true, |
| null, |
| 200, |
| 200); |
| VertxGossipServer server2 = new VertxGossipServer( |
| vertx, |
| "127.0.0.1", |
| 10001, |
| bytes -> bytes, |
| new EphemeralPeerRepository(), |
| messageReceived2, |
| (message, peer) -> true, |
| null, |
| 200, |
| 200); |
| |
| server1.start().join(); |
| server2.start().join(); |
| |
| server1.connectTo("127.0.0.1", 10001).join(); |
| String attributes = "{\"message_type\": \"BLOCK\"}"; |
| server1.gossip(attributes, Bytes.fromHexString("deadbeef")); |
| for (int i = 0; i < 10; i++) { |
| Thread.sleep(500); |
| if (Bytes.fromHexString("deadbeef").equals(messageReceived2.message)) { |
| break; |
| } |
| } |
| assertEquals(Bytes.fromHexString("deadbeef"), messageReceived2.message); |
| |
| server1.stop().join(); |
| server2.stop().join(); |
| } |
| |
| @Test |
| void gossipDeadBeefToTwoOtherNodes(@VertxInstance Vertx vertx) throws Exception { |
| |
| MessageListenerImpl messageReceived1 = new MessageListenerImpl(); |
| MessageListenerImpl messageReceived2 = new MessageListenerImpl(); |
| MessageListenerImpl messageReceived3 = new MessageListenerImpl(); |
| |
| VertxGossipServer server1 = new VertxGossipServer( |
| vertx, |
| "127.0.0.1", |
| 10000, |
| bytes -> bytes, |
| new EphemeralPeerRepository(), |
| messageReceived1, |
| (message, peer) -> true, |
| null, |
| 200, |
| 200); |
| VertxGossipServer server2 = new VertxGossipServer( |
| vertx, |
| "127.0.0.1", |
| 10001, |
| bytes -> bytes, |
| new EphemeralPeerRepository(), |
| messageReceived2, |
| (message, peer) -> true, |
| null, |
| 200, |
| 200); |
| VertxGossipServer server3 = new VertxGossipServer( |
| vertx, |
| "127.0.0.1", |
| 10002, |
| bytes -> bytes, |
| new EphemeralPeerRepository(), |
| messageReceived3, |
| (message, peer) -> true, |
| null, |
| 200, |
| 200); |
| |
| server1.start().join(); |
| server2.start().join(); |
| server3.start().join(); |
| |
| server1.connectTo("127.0.0.1", 10001).join(); |
| server3.connectTo("127.0.0.1", 10001).join(); |
| String attributes = "{\"message_type\": \"BLOCK\"}"; |
| server1.gossip(attributes, Bytes.fromHexString("deadbeef")); |
| for (int i = 0; i < 10; i++) { |
| Thread.sleep(500); |
| if (Bytes.fromHexString("deadbeef").equals(messageReceived2.message) |
| && Bytes.fromHexString("deadbeef").equals(messageReceived3.message)) { |
| break; |
| } |
| } |
| assertEquals(Bytes.fromHexString("deadbeef"), messageReceived2.message); |
| assertEquals(Bytes.fromHexString("deadbeef"), messageReceived3.message); |
| assertNull(messageReceived1.message); |
| |
| server1.stop().join(); |
| server2.stop().join(); |
| server3.stop().join(); |
| } |
| |
| @Test |
| void gossipCollision(@VertxInstance Vertx vertx) throws Exception { |
| MessageListenerImpl messageReceived1 = new MessageListenerImpl(); |
| MessageListenerImpl messageReceived2 = new MessageListenerImpl(); |
| |
| EphemeralPeerRepository peerRepository1 = new EphemeralPeerRepository(); |
| EphemeralPeerRepository peerRepository3 = new EphemeralPeerRepository(); |
| |
| VertxGossipServer server1 = new VertxGossipServer( |
| vertx, |
| "127.0.0.1", |
| 10000, |
| bytes -> bytes, |
| peerRepository1, |
| messageReceived1, |
| (message, peer) -> true, |
| null, |
| 200, |
| 200); |
| VertxGossipServer server2 = new VertxGossipServer( |
| vertx, |
| "127.0.0.1", |
| 10001, |
| bytes -> bytes, |
| new EphemeralPeerRepository(), |
| messageReceived2, |
| (message, peer) -> true, |
| null, |
| 200, |
| 200); |
| VertxGossipServer server3 = new VertxGossipServer( |
| vertx, |
| "127.0.0.1", |
| 10002, |
| bytes -> bytes, |
| peerRepository3, |
| messageReceived2, |
| (message, peer) -> true, |
| null, |
| 200, |
| 200); |
| |
| server1.start().join(); |
| server2.start().join(); |
| server3.start().join(); |
| |
| server1.connectTo("127.0.0.1", 10001).join(); |
| server2.connectTo("127.0.0.1", 10002).join(); |
| server1.connectTo("127.0.0.1", 10002).join(); |
| assertEquals(2, peerRepository1.eagerPushPeers().size()); |
| String attributes = "{\"message_type\": \"BLOCK\"}"; |
| server1.gossip(attributes, Bytes.fromHexString("deadbeef")); |
| Thread.sleep(1000); |
| assertEquals(Bytes.fromHexString("deadbeef"), messageReceived2.message); |
| Thread.sleep(1000); |
| |
| assertTrue(peerRepository1.lazyPushPeers().size() > 0 || peerRepository3.lazyPushPeers().size() > 0); |
| |
| server1.stop().join(); |
| server2.stop().join(); |
| server3.stop().join(); |
| } |
| } |