fanhualta commented on a change in pull request #101: [IOTDB-51]Reimplement post-back module, rename it to synchronization module URL: https://github.com/apache/incubator-iotdb/pull/101#discussion_r267610511
########## File path: iotdb/src/main/java/org/apache/iotdb/db/sync/receiver/ServerServiceImpl.java ########## @@ -0,0 +1,740 @@ +/** + * 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.sync.receiver; + +import java.io.BufferedReader; +import java.io.File; +import java.io.FileInputStream; +import java.io.FileNotFoundException; +import java.io.FileOutputStream; +import java.io.IOException; +import java.math.BigInteger; +import java.nio.ByteBuffer; +import java.nio.channels.FileChannel; +import java.security.MessageDigest; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.HashSet; +import java.util.Iterator; +import java.util.List; +import java.util.Map; +import java.util.Map.Entry; +import java.util.Objects; +import java.util.Set; +import org.apache.iotdb.db.concurrent.ThreadName; +import org.apache.iotdb.db.conf.IoTDBConfig; +import org.apache.iotdb.db.conf.IoTDBDescriptor; +import org.apache.iotdb.db.conf.directories.Directories; +import org.apache.iotdb.db.engine.filenode.FileNodeManager; +import org.apache.iotdb.db.engine.filenode.OverflowChangeType; +import org.apache.iotdb.db.engine.filenode.TsFileResource; +import org.apache.iotdb.db.exception.FileNodeManagerException; +import org.apache.iotdb.db.exception.MetadataArgsErrorException; +import org.apache.iotdb.db.exception.PathErrorException; +import org.apache.iotdb.db.exception.ProcessorException; +import org.apache.iotdb.db.metadata.MManager; +import org.apache.iotdb.db.metadata.MetadataConstant; +import org.apache.iotdb.db.metadata.MetadataOperationType; +import org.apache.iotdb.db.qp.executor.OverflowQPExecutor; +import org.apache.iotdb.db.qp.physical.crud.InsertPlan; +import org.apache.iotdb.db.sync.conf.Constans; +import org.apache.iotdb.db.utils.SyncUtils; +import org.apache.iotdb.service.sync.thrift.SyncDataStatus; +import org.apache.iotdb.service.sync.thrift.SyncService; +import org.apache.iotdb.tsfile.file.metadata.ChunkGroupMetaData; +import org.apache.iotdb.tsfile.file.metadata.ChunkMetaData; +import org.apache.iotdb.tsfile.file.metadata.TsDeviceMetadata; +import org.apache.iotdb.tsfile.file.metadata.TsDeviceMetadataIndex; +import org.apache.iotdb.tsfile.file.metadata.enums.CompressionType; +import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType; +import org.apache.iotdb.tsfile.file.metadata.enums.TSEncoding; +import org.apache.iotdb.tsfile.read.ReadOnlyTsFile; +import org.apache.iotdb.tsfile.read.TsFileSequenceReader; +import org.apache.iotdb.tsfile.read.common.Field; +import org.apache.iotdb.tsfile.read.common.Path; +import org.apache.iotdb.tsfile.read.common.RowRecord; +import org.apache.iotdb.tsfile.read.expression.QueryExpression; +import org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class ServerServiceImpl implements SyncService.Iface { + + private static final Logger logger = LoggerFactory.getLogger(ServerServiceImpl.class); + + private static final FileNodeManager fileNodeManager = FileNodeManager.getInstance(); + /** + * Metadata manager + **/ + private static final MManager metadataManger = MManager.getInstance(); + + private static final String SYNC_SERVER = Constans.SYNC_SERVER; + + private ThreadLocal<String> uuid = new ThreadLocal<>(); + /** + * String means storage group,List means the set of new files(path) in local IoTDB and String + * means path of new Files + **/ + private ThreadLocal<Map<String, List<String>>> fileNodeMap = new ThreadLocal<>(); + /** + * Map String1 means timeseries String2 means path of new Files, long means startTime + **/ + private ThreadLocal<Map<String, Map<String, Long>>> fileNodeStartTime = new ThreadLocal<>(); + /** + * Map String1 means timeseries String2 means path of new Files, long means endTime + **/ + private ThreadLocal<Map<String, Map<String, Long>>> fileNodeEndTime = new ThreadLocal<>(); + + /** + * Total num of files that needs to be loaded + */ + private ThreadLocal<Integer> fileNum = new ThreadLocal<>(); + + /** + * IoTDB config + **/ + private IoTDBConfig config = IoTDBDescriptor.getInstance().getConfig(); + + /** + * IoTDB data directory + **/ + private String dataPath = config.getDataDir(); + + /** + * IoTDB multiple bufferWrite directory + **/ + private String[] bufferWritePaths = config.getBufferWriteDirs(); + + /** + * The path to store metadata file of sender + */ + private ThreadLocal<String> schemaFromSenderPath = new ThreadLocal<>(); + + /** + * Sync folder path of server + **/ + private String syncFolderPath; + + /** + * Sync data path of server + */ + private String syncDataPath; + + /** + * Init threadLocal variable + */ + @Override + public void init(String storageGroup) { + if (logger.isInfoEnabled()) { Review comment: ok,fixed ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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