| /* |
| * |
| * 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.crail.storage; |
| |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.crail.CrailLocationClass; |
| import org.apache.crail.CrailStorageClass; |
| import org.apache.crail.conf.CrailConstants; |
| import org.apache.crail.metadata.BlockInfo; |
| import org.apache.crail.metadata.DataNodeInfo; |
| import org.apache.crail.metadata.DataNodeStatistics; |
| import org.apache.crail.rpc.RpcConnection; |
| import org.apache.crail.rpc.RpcErrors; |
| import org.apache.crail.rpc.RpcVoid; |
| import org.apache.crail.utils.CrailUtils; |
| import org.slf4j.Logger; |
| |
| public class StorageRpcClient { |
| public static final Logger LOG = CrailUtils.getLogger(); |
| |
| private InetSocketAddress serverAddress; |
| private int storageType; |
| private CrailStorageClass storageClass; |
| private CrailLocationClass locationClass; |
| private RpcConnection rpcConnection; |
| |
| public StorageRpcClient(int storageType, CrailStorageClass storageClass, InetSocketAddress serverAddress, RpcConnection rpcConnection) throws Exception { |
| this.storageType = storageType; |
| this.storageClass = storageClass; |
| this.serverAddress = serverAddress; |
| this.locationClass = CrailUtils.getLocationClass(); |
| this.rpcConnection = rpcConnection; |
| } |
| |
| public void setBlock(long lba, long addr, int length, int key) throws Exception { |
| InetSocketAddress inetAddress = serverAddress; |
| DataNodeInfo dnInfo = new DataNodeInfo(storageType, storageClass.value(), locationClass.value(), inetAddress.getAddress().getAddress(), inetAddress.getPort()); |
| BlockInfo blockInfo = new BlockInfo(dnInfo, lba, addr, length, key); |
| RpcVoid res = rpcConnection.setBlock(blockInfo).get(CrailConstants.RPC_TIMEOUT, TimeUnit.MILLISECONDS); |
| if (res.getError() != RpcErrors.ERR_OK){ |
| LOG.info("setBlock: " + RpcErrors.messages[res.getError()]); |
| throw new IOException("setBlock: " + RpcErrors.messages[res.getError()]); |
| } |
| } |
| |
| public DataNodeStatistics getDataNode() throws Exception{ |
| InetSocketAddress inetAddress = serverAddress; |
| DataNodeInfo dnInfo = new DataNodeInfo(storageType, storageClass.value(), locationClass.value(), inetAddress.getAddress().getAddress(), inetAddress.getPort()); |
| return this.rpcConnection.getDataNode(dnInfo).get(CrailConstants.RPC_TIMEOUT, TimeUnit.MILLISECONDS).getStatistics(); |
| } |
| } |