| /** |
| * 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.nfs.nfs3; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.mount.MountdBase; |
| import org.apache.hadoop.oncrpc.RpcProgram; |
| import org.apache.hadoop.oncrpc.SimpleTcpServer; |
| import org.apache.hadoop.portmap.PortmapMapping; |
| |
| /** |
| * Nfs server. Supports NFS v3 using {@link RpcProgram}. |
| * Currently Mountd program is also started inside this class. |
| * Only TCP server is supported and UDP is not supported. |
| */ |
| public abstract class Nfs3Base { |
| public static final Log LOG = LogFactory.getLog(Nfs3Base.class); |
| private final MountdBase mountd; |
| private final RpcProgram rpcProgram; |
| private final int nfsPort; |
| |
| public MountdBase getMountBase() { |
| return mountd; |
| } |
| |
| public RpcProgram getRpcProgram() { |
| return rpcProgram; |
| } |
| |
| protected Nfs3Base(MountdBase mountd, RpcProgram program, Configuration conf) { |
| this.mountd = mountd; |
| this.rpcProgram = program; |
| this.nfsPort = conf.getInt("nfs3.server.port", Nfs3Constant.PORT); |
| LOG.info("NFS server port set to: "+nfsPort); |
| } |
| |
| protected Nfs3Base(MountdBase mountd, RpcProgram program) { |
| this.mountd = mountd; |
| this.rpcProgram = program; |
| this.nfsPort = Nfs3Constant.PORT; |
| } |
| |
| public void start(boolean register) { |
| mountd.start(register); // Start mountd |
| startTCPServer(); // Start TCP server |
| if (register) { |
| rpcProgram.register(PortmapMapping.TRANSPORT_TCP); |
| } |
| } |
| |
| private void startTCPServer() { |
| SimpleTcpServer tcpServer = new SimpleTcpServer(nfsPort, |
| rpcProgram, 0); |
| tcpServer.run(); |
| } |
| } |