| /* |
| * 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.server.namenode; |
| |
| import org.apache.commons.logging.*; |
| import org.apache.hadoop.hdfs.server.namenode.INode; |
| import org.apache.hadoop.fs.Options.Rename; |
| import org.apache.hadoop.fs.TestFiRename; |
| import org.apache.hadoop.hdfs.protocol.QuotaExceededException; |
| |
| /** |
| * The aspects here are used for testing HDFS implementation of rename |
| * functionality. Failure is introduced during rename to test the atomicity of |
| * rename. |
| */ |
| public privileged aspect RenameAspects { |
| public static final Log LOG = LogFactory.getLog(RenameAspects.class); |
| |
| /** When removeChild is called during rename, throw exception */ |
| pointcut callRemove(INode[] inodes, int pos) : |
| call(* FSDirectory.removeChild(INode[], int)) |
| && args(inodes, pos) |
| && withincode (* FSDirectory.unprotectedRenameTo(String, |
| String, long, Rename...)); |
| |
| before(INode[] inodes, int pos) throws RuntimeException : |
| callRemove(inodes, pos) { |
| LOG.info("FI: callRenameRemove"); |
| if (TestFiRename.throwExceptionOnRemove(inodes[pos].getLocalName())) { |
| throw new RuntimeException("RenameAspects - on remove " + |
| inodes[pos].getLocalName()); |
| } |
| } |
| |
| /** When addChildNoQuotaCheck is called during rename, throw exception */ |
| pointcut callAddChildNoQuotaCheck(INode[] inodes, int pos, INode node, long diskspace, boolean flag) : |
| call(* FSDirectory.addChildNoQuotaCheck(INode[], int, INode, long, boolean)) |
| && args(inodes, pos, node, diskspace, flag) |
| && withincode (* FSDirectory.unprotectedRenameTo(String, |
| String, long, Rename...)); |
| |
| before(INode[] inodes, int pos, INode node, long diskspace, boolean flag) |
| throws RuntimeException : |
| callAddChildNoQuotaCheck(inodes, pos, node, diskspace, flag) { |
| LOG.info("FI: callAddChildNoQuotaCheck"); |
| if (TestFiRename.throwExceptionOnAdd(inodes[pos].getLocalName())) { |
| throw new RuntimeException("RenameAspects on add " + |
| inodes[pos].getLocalName()); |
| } |
| } |
| } |