| /** |
| * 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.protocol.datatransfer.sasl; |
| |
| import static org.apache.hadoop.hdfs.protocol.datatransfer.sasl.DataTransferSaslUtil.SASL_TRANSFER_MAGIC_NUMBER; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| |
| /** |
| * Indicates that SASL protocol negotiation expected to read a pre-defined magic |
| * number, but the expected value was not seen. |
| */ |
| @InterfaceAudience.Private |
| public class InvalidMagicNumberException extends IOException { |
| |
| private static final long serialVersionUID = 1L; |
| private final boolean handshake4Encryption; |
| |
| /** |
| * Creates a new InvalidMagicNumberException. |
| * |
| * @param magicNumber expected value |
| */ |
| public InvalidMagicNumberException(final int magicNumber, |
| final boolean handshake4Encryption) { |
| super(String.format("Received %x instead of %x from client.", |
| magicNumber, SASL_TRANSFER_MAGIC_NUMBER)); |
| this.handshake4Encryption = handshake4Encryption; |
| } |
| |
| /** |
| * Return true if it's handshake for encryption |
| * |
| * @return boolean true if it's handshake for encryption |
| */ |
| public boolean isHandshake4Encryption() { |
| return handshake4Encryption; |
| } |
| } |