| /** |
| * 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.protocolPB; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos.HeartbeatRequestProto; |
| import org.apache.hadoop.hdfs.protocol.proto.DatanodeLifelineProtocolProtos.LifelineResponseProto; |
| import org.apache.hadoop.hdfs.server.protocol.DatanodeLifelineProtocol; |
| import org.apache.hadoop.hdfs.server.protocol.StorageReport; |
| import org.apache.hadoop.hdfs.server.protocol.VolumeFailureSummary; |
| |
| import com.google.protobuf.RpcController; |
| import com.google.protobuf.ServiceException; |
| |
| /** |
| * Implementation for protobuf service that forwards requests |
| * received on {@link DatanodeLifelineProtocolPB} to the |
| * {@link DatanodeLifelineProtocol} server implementation. |
| */ |
| @InterfaceAudience.Private |
| public class DatanodeLifelineProtocolServerSideTranslatorPB implements |
| DatanodeLifelineProtocolPB { |
| |
| private static final LifelineResponseProto VOID_LIFELINE_RESPONSE_PROTO = |
| LifelineResponseProto.newBuilder().build(); |
| |
| private final DatanodeLifelineProtocol impl; |
| |
| public DatanodeLifelineProtocolServerSideTranslatorPB( |
| DatanodeLifelineProtocol impl) { |
| this.impl = impl; |
| } |
| |
| @Override |
| public LifelineResponseProto sendLifeline(RpcController controller, |
| HeartbeatRequestProto request) throws ServiceException { |
| try { |
| final StorageReport[] report = PBHelperClient.convertStorageReports( |
| request.getReportsList()); |
| VolumeFailureSummary volumeFailureSummary = |
| request.hasVolumeFailureSummary() ? |
| PBHelper.convertVolumeFailureSummary( |
| request.getVolumeFailureSummary()) : null; |
| impl.sendLifeline(PBHelper.convert(request.getRegistration()), report, |
| request.getCacheCapacity(), request.getCacheUsed(), |
| request.getXmitsInProgress(), request.getXceiverCount(), |
| request.getFailedVolumes(), volumeFailureSummary); |
| return VOID_LIFELINE_RESPONSE_PROTO; |
| } catch (IOException e) { |
| throw new ServiceException(e); |
| } |
| } |
| } |