/**
* 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();
}
}