Pengzna commented on code in PR #12355: URL: https://github.com/apache/iotdb/pull/12355#discussion_r1617073931
########## iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/receiver/protocol/pipeconsensus/PipeConsensusReceiver.java: ########## @@ -0,0 +1,1251 @@ +/* + * 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.iotdb.db.pipe.receiver.protocol.pipeconsensus; + +import org.apache.iotdb.common.rpc.thrift.TSStatus; +import org.apache.iotdb.commons.conf.CommonConfig; +import org.apache.iotdb.commons.conf.CommonDescriptor; +import org.apache.iotdb.commons.consensus.ConsensusGroupId; +import org.apache.iotdb.commons.consensus.DataRegionId; +import org.apache.iotdb.commons.consensus.index.ProgressIndex; +import org.apache.iotdb.commons.consensus.index.ProgressIndexType; +import org.apache.iotdb.commons.pipe.connector.payload.pipeconsensus.request.PipeConsensusRequestType; +import org.apache.iotdb.commons.pipe.connector.payload.pipeconsensus.request.PipeConsensusRequestVersion; +import org.apache.iotdb.commons.pipe.connector.payload.pipeconsensus.request.PipeConsensusTransferFilePieceReq; +import org.apache.iotdb.commons.pipe.connector.payload.pipeconsensus.response.PipeConsensusTransferFilePieceResp; +import org.apache.iotdb.commons.pipe.connector.payload.thrift.response.PipeTransferFilePieceResp; +import org.apache.iotdb.commons.pipe.receiver.IoTDBReceiverAgent; +import org.apache.iotdb.consensus.exception.ConsensusGroupNotExistException; +import org.apache.iotdb.consensus.pipe.PipeConsensus; +import org.apache.iotdb.consensus.pipe.PipeConsensusServerImpl; +import org.apache.iotdb.consensus.pipe.consensuspipe.ConsensusPipeName; +import org.apache.iotdb.consensus.pipe.thrift.TCommitId; +import org.apache.iotdb.consensus.pipe.thrift.TPipeConsensusTransferReq; +import org.apache.iotdb.consensus.pipe.thrift.TPipeConsensusTransferResp; +import org.apache.iotdb.db.conf.IoTDBDescriptor; +import org.apache.iotdb.db.exception.DiskSpaceInsufficientException; +import org.apache.iotdb.db.exception.LoadFileException; +import org.apache.iotdb.db.pipe.connector.protocol.pipeconsensus.payload.request.PipeConsensusTabletBinaryReq; +import org.apache.iotdb.db.pipe.connector.protocol.pipeconsensus.payload.request.PipeConsensusTabletInsertNodeReq; +import org.apache.iotdb.db.pipe.connector.protocol.pipeconsensus.payload.request.PipeConsensusTsFilePieceReq; +import org.apache.iotdb.db.pipe.connector.protocol.pipeconsensus.payload.request.PipeConsensusTsFileSealReq; +import org.apache.iotdb.db.pipe.connector.protocol.pipeconsensus.payload.request.PipeConsensusTsFileSealWithModReq; +import org.apache.iotdb.db.queryengine.plan.planner.plan.node.write.InsertNode; +import org.apache.iotdb.db.storageengine.StorageEngine; +import org.apache.iotdb.db.storageengine.dataregion.tsfile.TsFileResource; +import org.apache.iotdb.db.storageengine.dataregion.tsfile.TsFileResourceStatus; +import org.apache.iotdb.db.storageengine.dataregion.utils.TsFileResourceUtils; +import org.apache.iotdb.db.storageengine.rescon.disk.FolderManager; +import org.apache.iotdb.db.storageengine.rescon.disk.strategy.DirectoryStrategyType; +import org.apache.iotdb.rpc.RpcUtils; +import org.apache.iotdb.rpc.TSStatusCode; + +import org.apache.commons.io.FileUtils; +import org.apache.tsfile.common.constant.TsFileConstant; +import org.apache.tsfile.read.TsFileSequenceReader; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.File; +import java.io.IOException; +import java.io.RandomAccessFile; +import java.nio.ByteBuffer; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Comparator; +import java.util.List; +import java.util.Objects; +import java.util.Optional; +import java.util.TreeSet; +import java.util.concurrent.TimeUnit; +import java.util.concurrent.atomic.AtomicReference; +import java.util.concurrent.locks.Condition; +import java.util.concurrent.locks.Lock; +import java.util.concurrent.locks.ReentrantLock; +import java.util.stream.Collectors; + +public class PipeConsensusReceiver { + private static final Logger LOGGER = LoggerFactory.getLogger(PipeConsensusReceiver.class); + private static final CommonConfig COMMON_CONFIG = CommonDescriptor.getInstance().getConfig(); + private final RequestExecutor requestExecutor = new RequestExecutor(); + private final PipeConsensus pipeConsensus; + private final ConsensusGroupId consensusGroupId; + // Used to buffer TsFile when transfer TsFile asynchronously. + private final List<String> receiverBaseDirsName; + private final TsFileDiskBufferPool tsFileDiskBufferPool = new TsFileDiskBufferPool(); + private final AtomicReference<File> receiverFileDirWithIdSuffix = new AtomicReference<>(); + private FolderManager folderManager; + + public PipeConsensusReceiver( + PipeConsensus pipeConsensus, + ConsensusGroupId consensusGroupId, + ConsensusPipeName consensusPipeName) { + this.pipeConsensus = pipeConsensus; + this.consensusGroupId = consensusGroupId; + + // Each pipeConsensusReceiver has its own base directories. for example, a default dir path is + // data/datanode/system/pipe/consensus/receiver/consensus{consensusGroupId}_{leaderDataNodeId}_{followerDataNodeId} + receiverBaseDirsName = + Arrays.stream(IoTDBDescriptor.getInstance().getConfig().getPipeConsensusReceiverFileDirs()) + .map(s -> s + File.separator + consensusPipeName) + .collect(Collectors.toList()); + + try { + this.folderManager = + new FolderManager(receiverBaseDirsName, DirectoryStrategyType.SEQUENCE_STRATEGY); + initiateTsFileBufferFolder(); + } catch (DiskSpaceInsufficientException e) { + LOGGER.error( Review Comment: > If the error is encountered, do we need to handle it besides calling "Logger"? maybe we can discuss this issue further. marked it here -- This is an automated message from the Apache Git Service. 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