| /** |
| * 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.net; |
| |
| import java.io.IOException; |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.hdfs.protocol.datatransfer.IOStreamPair; |
| import org.apache.hadoop.net.unix.DomainSocket; |
| |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.nio.channels.ReadableByteChannel; |
| |
| /** |
| * Represents a peer that we communicate with by using an encrypted |
| * communications medium. |
| */ |
| @InterfaceAudience.Private |
| public class EncryptedPeer implements Peer { |
| private final Peer enclosedPeer; |
| |
| /** |
| * An encrypted InputStream. |
| */ |
| private final InputStream in; |
| |
| /** |
| * An encrypted OutputStream. |
| */ |
| private final OutputStream out; |
| |
| /** |
| * An encrypted ReadableByteChannel. |
| */ |
| private final ReadableByteChannel channel; |
| |
| public EncryptedPeer(Peer enclosedPeer, IOStreamPair ios) { |
| this.enclosedPeer = enclosedPeer; |
| this.in = ios.in; |
| this.out = ios.out; |
| this.channel = ios.in instanceof ReadableByteChannel ? |
| (ReadableByteChannel)ios.in : null; |
| } |
| |
| @Override |
| public ReadableByteChannel getInputStreamChannel() { |
| return channel; |
| } |
| |
| @Override |
| public void setReadTimeout(int timeoutMs) throws IOException { |
| enclosedPeer.setReadTimeout(timeoutMs); |
| } |
| |
| @Override |
| public int getReceiveBufferSize() throws IOException { |
| return enclosedPeer.getReceiveBufferSize(); |
| } |
| |
| @Override |
| public boolean getTcpNoDelay() throws IOException { |
| return enclosedPeer.getTcpNoDelay(); |
| } |
| |
| @Override |
| public void setWriteTimeout(int timeoutMs) throws IOException { |
| enclosedPeer.setWriteTimeout(timeoutMs); |
| } |
| |
| @Override |
| public boolean isClosed() { |
| return enclosedPeer.isClosed(); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| try { |
| in.close(); |
| } finally { |
| try { |
| out.close(); |
| } finally { |
| enclosedPeer.close(); |
| } |
| } |
| } |
| |
| @Override |
| public String getRemoteAddressString() { |
| return enclosedPeer.getRemoteAddressString(); |
| } |
| |
| @Override |
| public String getLocalAddressString() { |
| return enclosedPeer.getLocalAddressString(); |
| } |
| |
| @Override |
| public InputStream getInputStream() throws IOException { |
| return in; |
| } |
| |
| @Override |
| public OutputStream getOutputStream() throws IOException { |
| return out; |
| } |
| |
| @Override |
| public boolean isLocal() { |
| return enclosedPeer.isLocal(); |
| } |
| |
| @Override |
| public String toString() { |
| return "EncryptedPeer(" + enclosedPeer + ")"; |
| } |
| |
| @Override |
| public DomainSocket getDomainSocket() { |
| return enclosedPeer.getDomainSocket(); |
| } |
| |
| @Override |
| public boolean hasSecureChannel() { |
| return true; |
| } |
| } |