| /* |
| * 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.fi; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.fi.FiTestUtil.ActionContainer; |
| import org.apache.hadoop.hdfs.protocol.DatanodeID; |
| import org.apache.hadoop.util.DiskChecker.DiskErrorException; |
| |
| /** Helper methods and actions for hflush() fault injection tests */ |
| public class FiHFlushTestUtil extends DataTransferTestUtil { |
| |
| /** {@inheritDoc} */ |
| public static PipelineTest initTest() { |
| return thepipelinetest = new HFlushTest(); |
| } |
| |
| /** Disk error action for fault injection tests */ |
| public static class DerrAction extends DataTransferTestUtil.DataNodeAction { |
| /** |
| * @param currentTest The name of the test |
| * @param index The index of the datanode |
| */ |
| public DerrAction(String currentTest, int index) { |
| super(currentTest, index); |
| } |
| |
| /** {@inheritDoc} */ |
| public void run(DatanodeID id) throws IOException { |
| final Pipeline p = getPipelineTest().getPipeline(id); |
| if (p == null) { |
| FiTestUtil.LOG.info("FI: couldn't find a pipeline for " + id); |
| return; |
| } |
| if (p.contains(index, id)) { |
| final String s = super.toString(id); |
| FiTestUtil.LOG.info(s); |
| throw new DiskErrorException(s); |
| } |
| } |
| } |
| |
| /** Class adds new type of action */ |
| public static class HFlushTest extends DataTransferTest { |
| public final ActionContainer<DatanodeID, IOException> fiCallHFlush = |
| new ActionContainer<DatanodeID, IOException>(); |
| public final ActionContainer<Integer, RuntimeException> fiErrorOnCallHFlush = |
| new ActionContainer<Integer, RuntimeException>(); |
| } |
| } |