| /** |
| * 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.hdfs; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.IOException; |
| import java.net.HttpURLConnection; |
| import java.net.InetAddress; |
| import java.net.ServerSocket; |
| import java.net.SocketTimeoutException; |
| import java.net.URI; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.hdfs.web.URLUtils; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| public class TestHftpURLTimeouts { |
| @BeforeClass |
| public static void setup() { |
| URLUtils.SOCKET_TIMEOUT = 5; |
| } |
| |
| @Test |
| public void testHftpSocketTimeout() throws Exception { |
| Configuration conf = new Configuration(); |
| ServerSocket socket = new ServerSocket(0,1); |
| URI uri = new URI("hftp", null, |
| InetAddress.getByName(null).getHostAddress(), |
| socket.getLocalPort(), |
| null, null, null); |
| boolean timedout = false; |
| |
| HftpFileSystem fs = (HftpFileSystem)FileSystem.get(uri, conf); |
| try { |
| HttpURLConnection conn = fs.openConnection("/", ""); |
| timedout = false; |
| try { |
| // this will consume the only slot in the backlog |
| conn.getInputStream(); |
| } catch (SocketTimeoutException ste) { |
| timedout = true; |
| assertEquals("Read timed out", ste.getMessage()); |
| } finally { |
| if (conn != null) conn.disconnect(); |
| } |
| assertTrue("read timedout", timedout); |
| assertTrue("connect timedout", checkConnectTimeout(fs, false)); |
| } finally { |
| fs.close(); |
| } |
| } |
| |
| @Test |
| public void testHsftpSocketTimeout() throws Exception { |
| Configuration conf = new Configuration(); |
| ServerSocket socket = new ServerSocket(0,1); |
| URI uri = new URI("hsftp", null, |
| InetAddress.getByName(null).getHostAddress(), |
| socket.getLocalPort(), |
| null, null, null); |
| boolean timedout = false; |
| |
| HsftpFileSystem fs = (HsftpFileSystem)FileSystem.get(uri, conf); |
| try { |
| HttpURLConnection conn = null; |
| timedout = false; |
| try { |
| // this will consume the only slot in the backlog |
| conn = fs.openConnection("/", ""); |
| } catch (SocketTimeoutException ste) { |
| // SSL expects a negotiation, so it will timeout on read, unlike hftp |
| timedout = true; |
| assertEquals("Read timed out", ste.getMessage()); |
| } finally { |
| if (conn != null) conn.disconnect(); |
| } |
| assertTrue("ssl read connect timedout", timedout); |
| assertTrue("connect timedout", checkConnectTimeout(fs, true)); |
| } finally { |
| fs.close(); |
| } |
| } |
| |
| private boolean checkConnectTimeout(HftpFileSystem fs, boolean ignoreReadTimeout) |
| throws IOException { |
| boolean timedout = false; |
| List<HttpURLConnection> conns = new LinkedList<HttpURLConnection>(); |
| try { |
| // with a listen backlog of 1, should only have to make one connection |
| // to trigger a connection timeout. however... linux doesn't honor the |
| // socket's listen backlog so we have to try a bunch of times |
| for (int n=32; !timedout && n > 0; n--) { |
| try { |
| conns.add(fs.openConnection("/", "")); |
| } catch (SocketTimeoutException ste) { |
| String message = ste.getMessage(); |
| assertNotNull(message); |
| // https will get a read timeout due to SSL negotiation, but |
| // a normal http will not, so need to ignore SSL read timeouts |
| // until a connect timeout occurs |
| if (!(ignoreReadTimeout && message.equals("Read timed out"))) { |
| timedout = true; |
| assertEquals("connect timed out", message); |
| } |
| } |
| } |
| } finally { |
| for (HttpURLConnection conn : conns) { |
| conn.disconnect(); |
| } |
| } |
| return timedout; |
| } |
| } |