| /** |
| * 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.tajo.rpc; |
| |
| import org.apache.tajo.rpc.test.DummyProtocol; |
| import org.apache.tajo.rpc.test.impl.DummyProtocolAsyncImpl; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import java.net.InetSocketAddress; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Properties; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.Future; |
| |
| import static org.junit.Assert.*; |
| |
| public class TestRpcClientManager { |
| |
| static NettyServerBase server; |
| |
| @BeforeClass |
| public static void setupClass() throws Exception { |
| final DummyProtocolAsyncImpl service = new DummyProtocolAsyncImpl(); |
| server = new AsyncRpcServer(DummyProtocol.class, |
| service, new InetSocketAddress("127.0.0.1", 0), 10); |
| server.start(); |
| |
| } |
| |
| @AfterClass |
| public static void afterClass(){ |
| server.shutdown(true); |
| } |
| |
| @Test |
| public void testRaceCondition() throws Exception { |
| final int parallelCount = 50; |
| ExecutorService executor = Executors.newFixedThreadPool(parallelCount); |
| |
| try { |
| final InetSocketAddress address = server.getListenAddress(); |
| final RpcClientManager manager = RpcClientManager.getInstance(); |
| |
| List<Future> tasks = new ArrayList<>(); |
| for (int i = 0; i < parallelCount; i++) { |
| tasks.add(executor.submit(new Runnable() { |
| @Override |
| public void run() { |
| NettyClientBase client = null; |
| try { |
| client = manager.getClient(address, DummyProtocol.class, true, new Properties()); |
| } catch (Throwable e) { |
| fail(e.getMessage()); |
| } |
| assertTrue(client.isConnected()); |
| } |
| }) |
| ); |
| } |
| |
| for (Future future : tasks) { |
| future.get(); |
| } |
| |
| NettyClientBase clientBase = manager.getClient(address, DummyProtocol.class, true, new Properties()); |
| RpcClientManager.cleanup(clientBase); |
| } finally { |
| executor.shutdown(); |
| RpcClientManager.close(); |
| } |
| } |
| |
| @Test |
| public void testClientCloseEvent() throws Exception { |
| RpcClientManager manager = RpcClientManager.getInstance(); |
| |
| try { |
| |
| NettyClientBase client = manager.getClient(server.getListenAddress(), DummyProtocol.class, true, new Properties()); |
| assertTrue(client.isConnected()); |
| assertTrue(client.getChannel().isWritable()); |
| |
| RpcConnectionKey key = client.getKey(); |
| assertTrue(RpcClientManager.contains(key)); |
| |
| client.close(); |
| assertFalse(RpcClientManager.contains(key)); |
| } finally { |
| RpcClientManager.close(); |
| } |
| } |
| |
| @Test |
| public void testClientCloseEventWithReconnect() throws Exception { |
| int repeat = 100; |
| RpcClientManager manager = RpcClientManager.getInstance(); |
| |
| try { |
| |
| NettyClientBase client = manager.getClient(server.getListenAddress(), DummyProtocol.class, true, new Properties()); |
| assertTrue(client.isConnected()); |
| |
| RpcConnectionKey key = client.getKey(); |
| assertTrue(RpcClientManager.contains(key)); |
| |
| client.close(); |
| assertFalse(client.isConnected()); |
| assertFalse(RpcClientManager.contains(key)); |
| |
| for (int i = 0; i < repeat; i++) { |
| client.connect(); |
| assertTrue(client.isConnected()); |
| assertTrue(RpcClientManager.contains(key)); |
| |
| client.close(); |
| assertFalse(client.isConnected()); |
| assertFalse(RpcClientManager.contains(key)); |
| } |
| } finally { |
| RpcClientManager.close(); |
| } |
| } |
| |
| @Test |
| public void testUnManagedClient() throws Exception { |
| RpcConnectionKey key = |
| new RpcConnectionKey(server.getListenAddress(), DummyProtocol.class, true); |
| RpcClientManager.close(); |
| RpcClientManager manager = RpcClientManager.getInstance(); |
| |
| NettyClientBase client1 = manager.newClient(key, new Properties()); |
| assertTrue(client1.isConnected()); |
| assertFalse(RpcClientManager.contains(key)); |
| |
| NettyClientBase client2 = manager.newClient(key, new Properties()); |
| assertTrue(client2.isConnected()); |
| assertFalse(RpcClientManager.contains(key)); |
| |
| assertEquals(client1.getRemoteAddress(), client2.getRemoteAddress()); |
| assertNotEquals(client1.getChannel(), client2.getChannel()); |
| |
| client1.close(); |
| assertFalse(client1.isConnected()); |
| assertTrue(client2.isConnected()); |
| |
| client1.connect(); |
| client2.close(); |
| assertFalse(client2.isConnected()); |
| assertTrue(client1.isConnected()); |
| |
| RpcClientManager.cleanup(client1, client2); |
| } |
| } |