/**
* 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.nfs.nfs3;
import java.io.IOException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hdfs.nfs.mount.Mountd;
import org.apache.hadoop.nfs.nfs3.Nfs3Base;
import org.apache.hadoop.util.StringUtils;
import com.google.common.annotations.VisibleForTesting;
/**
* Nfs server. Supports NFS v3 using {@link RpcProgramNfs3}.
* Currently Mountd program is also started inside this class.
* Only TCP server is supported and UDP is not supported.
*/
public class Nfs3 extends Nfs3Base {
private Mountd mountd;
static {
Configuration.addDefaultResource("hdfs-default.xml");
Configuration.addDefaultResource("hdfs-site.xml");
}
public Nfs3(Configuration conf) throws IOException {
super(new RpcProgramNfs3(conf), conf);
mountd = new Mountd(conf);
}
public Mountd getMountd() {
return mountd;
}
@VisibleForTesting
public void startServiceInternal(boolean register) throws IOException {
mountd.start(register); // Start mountd
start(register);
}
public static void main(String[] args) throws IOException {
StringUtils.startupShutdownMessage(Nfs3.class, args, LOG);
final Nfs3 nfsServer = new Nfs3(new Configuration());
nfsServer.startServiceInternal(true);
}
}