| /* |
| * 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; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.fi.DataTransferTestUtil; |
| import org.apache.hadoop.fi.PipelineTest; |
| import org.apache.hadoop.fi.DataTransferTestUtil.DataTransferTest; |
| import org.apache.hadoop.hdfs.DFSOutputStream; |
| import org.apache.hadoop.hdfs.DFSOutputStream.DataStreamer; |
| import org.apache.hadoop.hdfs.PipelinesTestUtil.PipelinesTest; |
| import org.junit.Assert; |
| |
| /** Aspects for DFSClient */ |
| privileged public aspect DFSClientAspects { |
| public static final Log LOG = LogFactory.getLog(DFSClientAspects.class); |
| |
| pointcut callCreateBlockOutputStream(DataStreamer datastreamer): |
| call(* createBlockOutputStream(..)) && target(datastreamer); |
| |
| before(DataStreamer datastreamer) : callCreateBlockOutputStream(datastreamer) { |
| Assert.assertFalse(datastreamer.hasError); |
| Assert.assertEquals(-1, datastreamer.errorIndex); |
| } |
| |
| pointcut pipelineInitNonAppend(DataStreamer datastreamer): |
| callCreateBlockOutputStream(datastreamer) |
| && cflow(execution(* nextBlockOutputStream(..))) |
| && within(DataStreamer); |
| |
| after(DataStreamer datastreamer) returning : pipelineInitNonAppend(datastreamer) { |
| LOG.info("FI: after pipelineInitNonAppend: hasError=" |
| + datastreamer.hasError + " errorIndex=" + datastreamer.errorIndex); |
| if (datastreamer.hasError) { |
| DataTransferTest dtTest = DataTransferTestUtil.getDataTransferTest(); |
| if (dtTest != null) |
| dtTest.fiPipelineInitErrorNonAppend.run(datastreamer.errorIndex); |
| } |
| } |
| |
| pointcut pipelineInitAppend(DataStreamer datastreamer): |
| callCreateBlockOutputStream(datastreamer) |
| && cflow(execution(* initAppend(..))) |
| && within(DataStreamer); |
| |
| after(DataStreamer datastreamer) returning : pipelineInitAppend(datastreamer) { |
| LOG.info("FI: after pipelineInitAppend: hasError=" + datastreamer.hasError |
| + " errorIndex=" + datastreamer.errorIndex); |
| } |
| |
| pointcut pipelineErrorAfterInit(DataStreamer datastreamer): |
| call(* processDatanodeError()) |
| && within (DFSOutputStream.DataStreamer) |
| && target(datastreamer); |
| |
| before(DataStreamer datastreamer) : pipelineErrorAfterInit(datastreamer) { |
| LOG.info("FI: before pipelineErrorAfterInit: errorIndex=" |
| + datastreamer.errorIndex); |
| DataTransferTest dtTest = DataTransferTestUtil.getDataTransferTest(); |
| if (dtTest != null ) |
| dtTest.fiPipelineErrorAfterInit.run(datastreamer.errorIndex); |
| } |
| |
| pointcut pipelineClose(DFSOutputStream out): |
| call(void flushInternal()) |
| && withincode (void DFSOutputStream.close()) |
| && this(out); |
| |
| before(DFSOutputStream out) : pipelineClose(out) { |
| LOG.info("FI: before pipelineClose:"); |
| } |
| |
| pointcut checkAckQueue(DFSOutputStream stream): |
| call (void DFSOutputStream.waitAndQueueCurrentPacket()) |
| && withincode (void DFSOutputStream.writeChunk(..)) |
| && this(stream); |
| |
| after(DFSOutputStream stream) : checkAckQueue (stream) { |
| DFSOutputStream.Packet cp = stream.currentPacket; |
| PipelineTest pTest = DataTransferTestUtil.getDataTransferTest(); |
| if (pTest != null && pTest instanceof PipelinesTest) { |
| LOG.debug("FI: Recording packet # " + cp.seqno |
| + " where queuing has occurred"); |
| ((PipelinesTest) pTest).setVerified(cp.seqno); |
| } |
| } |
| } |