| /** |
| * 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.hadoop.ipc; |
| |
| import static org.junit.Assert.*; |
| import static org.mockito.Matchers.*; |
| import static org.mockito.Mockito.*; |
| |
| import java.io.IOException; |
| import java.net.BindException; |
| import java.net.InetSocketAddress; |
| import java.net.ServerSocket; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.io.LongWritable; |
| import org.apache.hadoop.io.Writable; |
| import org.apache.hadoop.ipc.Server.Call; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| |
| /** |
| * This is intended to be a set of unit tests for the |
| * org.apache.hadoop.ipc.Server class. |
| */ |
| public class TestServer { |
| |
| @Test |
| public void testBind() throws Exception { |
| Configuration conf = new Configuration(); |
| ServerSocket socket = new ServerSocket(); |
| InetSocketAddress address = new InetSocketAddress("0.0.0.0",0); |
| socket.bind(address); |
| try { |
| int min = socket.getLocalPort(); |
| int max = min + 100; |
| conf.set("TestRange", min+"-"+max); |
| |
| |
| ServerSocket socket2 = new ServerSocket(); |
| InetSocketAddress address2 = new InetSocketAddress("0.0.0.0", 0); |
| Server.bind(socket2, address2, 10, conf, "TestRange"); |
| try { |
| assertTrue(socket2.isBound()); |
| assertTrue(socket2.getLocalPort() > min); |
| assertTrue(socket2.getLocalPort() <= max); |
| } finally { |
| socket2.close(); |
| } |
| } finally { |
| socket.close(); |
| } |
| } |
| |
| @Test |
| public void testBindSimple() throws Exception { |
| ServerSocket socket = new ServerSocket(); |
| InetSocketAddress address = new InetSocketAddress("0.0.0.0",0); |
| Server.bind(socket, address, 10); |
| try { |
| assertTrue(socket.isBound()); |
| } finally { |
| socket.close(); |
| } |
| } |
| |
| @Test |
| public void testEmptyConfig() throws Exception { |
| Configuration conf = new Configuration(); |
| conf.set("TestRange", ""); |
| |
| |
| ServerSocket socket = new ServerSocket(); |
| InetSocketAddress address = new InetSocketAddress("0.0.0.0", 0); |
| try { |
| Server.bind(socket, address, 10, conf, "TestRange"); |
| assertTrue(socket.isBound()); |
| } finally { |
| socket.close(); |
| } |
| } |
| |
| |
| @Test |
| public void testBindError() throws Exception { |
| Configuration conf = new Configuration(); |
| ServerSocket socket = new ServerSocket(); |
| InetSocketAddress address = new InetSocketAddress("0.0.0.0",0); |
| socket.bind(address); |
| try { |
| int min = socket.getLocalPort(); |
| conf.set("TestRange", min+"-"+min); |
| |
| |
| ServerSocket socket2 = new ServerSocket(); |
| InetSocketAddress address2 = new InetSocketAddress("0.0.0.0", 0); |
| boolean caught = false; |
| try { |
| Server.bind(socket2, address2, 10, conf, "TestRange"); |
| } catch (BindException e) { |
| caught = true; |
| } finally { |
| socket2.close(); |
| } |
| assertTrue("Failed to catch the expected bind exception",caught); |
| } finally { |
| socket.close(); |
| } |
| } |
| |
| static class TestException1 extends Exception { |
| } |
| |
| static class TestException2 extends Exception { |
| } |
| |
| static class TestException3 extends Exception { |
| } |
| |
| @Test (timeout=300000) |
| public void testLogExceptions() throws Exception { |
| final Configuration conf = new Configuration(); |
| final Call dummyCall = new Call(0, 0, null, null); |
| Logger logger = mock(Logger.class); |
| Server server = new Server("0.0.0.0", 0, LongWritable.class, 1, conf) { |
| @Override |
| public Writable call( |
| RPC.RpcKind rpcKind, String protocol, Writable param, |
| long receiveTime) throws Exception { |
| return null; |
| } |
| }; |
| server.addSuppressedLoggingExceptions(TestException1.class); |
| server.addTerseExceptions(TestException2.class); |
| |
| // Nothing should be logged for a suppressed exception. |
| server.logException(logger, new TestException1(), dummyCall); |
| verifyZeroInteractions(logger); |
| |
| // No stack trace should be logged for a terse exception. |
| server.logException(logger, new TestException2(), dummyCall); |
| verify(logger, times(1)).info(anyString()); |
| |
| // Full stack trace should be logged for other exceptions. |
| final Throwable te3 = new TestException3(); |
| server.logException(logger, te3, dummyCall); |
| verify(logger, times(1)).info(anyString(), eq(te3)); |
| } |
| |
| @Test |
| public void testExceptionsHandlerTerse() { |
| Server.ExceptionsHandler handler = new Server.ExceptionsHandler(); |
| handler.addTerseLoggingExceptions(IOException.class); |
| handler.addTerseLoggingExceptions(RpcServerException.class, IpcException.class); |
| |
| assertTrue(handler.isTerseLog(IOException.class)); |
| assertTrue(handler.isTerseLog(RpcServerException.class)); |
| assertTrue(handler.isTerseLog(IpcException.class)); |
| assertFalse(handler.isTerseLog(RpcClientException.class)); |
| } |
| |
| @Test |
| public void testExceptionsHandlerSuppressed() { |
| Server.ExceptionsHandler handler = new Server.ExceptionsHandler(); |
| handler.addSuppressedLoggingExceptions(IOException.class); |
| handler.addSuppressedLoggingExceptions(RpcServerException.class, IpcException.class); |
| |
| assertTrue(handler.isSuppressedLog(IOException.class)); |
| assertTrue(handler.isSuppressedLog(RpcServerException.class)); |
| assertTrue(handler.isSuppressedLog(IpcException.class)); |
| assertFalse(handler.isSuppressedLog(RpcClientException.class)); |
| } |
| } |