| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.ozone.protocolPB; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.hdds.protocol.proto.StorageContainerDatanodeProtocolProtos.ContainerReportsProto; |
| import org.apache.hadoop.hdds.protocol.proto.StorageContainerDatanodeProtocolProtos.NodeReportProto; |
| import org.apache.hadoop.hdds.protocol.proto.StorageContainerDatanodeProtocolProtos.PipelineReportsProto; |
| import org.apache.hadoop.hdds.protocol.proto.StorageContainerDatanodeProtocolProtos.SCMDatanodeRequest; |
| import org.apache.hadoop.hdds.protocol.proto.StorageContainerDatanodeProtocolProtos.SCMDatanodeResponse; |
| import org.apache.hadoop.hdds.protocol.proto.StorageContainerDatanodeProtocolProtos.SCMRegisterRequestProto; |
| import org.apache.hadoop.hdds.protocol.proto.StorageContainerDatanodeProtocolProtos.SCMRegisteredResponseProto; |
| import org.apache.hadoop.hdds.protocol.proto.StorageContainerDatanodeProtocolProtos.Status; |
| import org.apache.hadoop.hdds.protocol.proto.StorageContainerDatanodeProtocolProtos.Type; |
| import org.apache.hadoop.hdds.server.OzoneProtocolMessageDispatcher; |
| import org.apache.hadoop.hdds.utils.ProtocolMessageMetrics; |
| import org.apache.hadoop.ozone.protocol.StorageContainerDatanodeProtocol; |
| |
| import com.google.protobuf.ProtocolMessageEnum; |
| import com.google.protobuf.RpcController; |
| import com.google.protobuf.ServiceException; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * This class is the server-side translator that forwards requests received on |
| * {@link StorageContainerDatanodeProtocolPB} to the {@link |
| * StorageContainerDatanodeProtocol} server implementation. |
| */ |
| public class StorageContainerDatanodeProtocolServerSideTranslatorPB |
| implements StorageContainerDatanodeProtocolPB { |
| |
| private static final Logger LOG = LoggerFactory |
| .getLogger(StorageContainerDatanodeProtocolServerSideTranslatorPB.class); |
| |
| private final StorageContainerDatanodeProtocol impl; |
| private final OzoneProtocolMessageDispatcher<SCMDatanodeRequest, |
| SCMDatanodeResponse, ProtocolMessageEnum> dispatcher; |
| |
| public StorageContainerDatanodeProtocolServerSideTranslatorPB( |
| StorageContainerDatanodeProtocol impl, |
| ProtocolMessageMetrics<ProtocolMessageEnum> protocolMessageMetrics) { |
| this.impl = impl; |
| dispatcher = |
| new OzoneProtocolMessageDispatcher<>("SCMDatanodeProtocol", |
| protocolMessageMetrics, |
| LOG); |
| } |
| |
| public SCMRegisteredResponseProto register( |
| SCMRegisterRequestProto request) throws IOException { |
| ContainerReportsProto containerRequestProto = request |
| .getContainerReport(); |
| NodeReportProto dnNodeReport = request.getNodeReport(); |
| PipelineReportsProto pipelineReport = request.getPipelineReports(); |
| return impl.register(request.getExtendedDatanodeDetails(), dnNodeReport, |
| containerRequestProto, pipelineReport); |
| |
| } |
| |
| @Override |
| public SCMDatanodeResponse submitRequest(RpcController controller, |
| SCMDatanodeRequest request) throws ServiceException { |
| return dispatcher.processRequest(request, this::processMessage, |
| request.getCmdType(), request.getTraceID()); |
| } |
| |
| public SCMDatanodeResponse processMessage(SCMDatanodeRequest request) |
| throws ServiceException { |
| try { |
| Type cmdType = request.getCmdType(); |
| switch (cmdType) { |
| case GetVersion: |
| return SCMDatanodeResponse.newBuilder() |
| .setCmdType(cmdType) |
| .setStatus(Status.OK) |
| .setGetVersionResponse( |
| impl.getVersion(request.getGetVersionRequest())) |
| .build(); |
| case SendHeartbeat: |
| return SCMDatanodeResponse.newBuilder() |
| .setCmdType(cmdType) |
| .setStatus(Status.OK) |
| .setSendHeartbeatResponse( |
| impl.sendHeartbeat(request.getSendHeartbeatRequest())) |
| .build(); |
| case Register: |
| return SCMDatanodeResponse.newBuilder() |
| .setCmdType(cmdType) |
| .setStatus(Status.OK) |
| .setRegisterResponse(register(request.getRegisterRequest())) |
| .build(); |
| default: |
| throw new ServiceException("Unknown command type: " + cmdType); |
| } |
| } catch (IOException e) { |
| throw new ServiceException(e); |
| } |
| } |
| } |