| /** |
| * 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.net.unix; |
| |
| import java.io.Closeable; |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.Random; |
| |
| import org.apache.commons.io.FileUtils; |
| import org.apache.hadoop.fs.FileUtil; |
| |
| /** |
| * Create a temporary directory in which sockets can be created. |
| * When creating a UNIX domain socket, the name |
| * must be fairly short (around 110 bytes on most platforms). |
| */ |
| public class TemporarySocketDirectory implements Closeable { |
| private File dir; |
| |
| public TemporarySocketDirectory() { |
| String tmp = System.getProperty("java.io.tmpdir", "/tmp"); |
| dir = new File(tmp, "socks." + (System.currentTimeMillis() + |
| "." + (new Random().nextInt()))); |
| dir.mkdirs(); |
| FileUtil.setWritable(dir, true); |
| } |
| |
| public File getDir() { |
| return dir; |
| } |
| |
| @Override |
| public void close() throws IOException { |
| if (dir != null) { |
| FileUtils.deleteDirectory(dir); |
| dir = null; |
| } |
| } |
| |
| protected void finalize() throws IOException { |
| close(); |
| } |
| } |