| /* |
| * 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.connector.protocol.thrift.sync; |
| |
| import org.apache.iotdb.commons.pipe.connector.client.IoTDBSyncClient; |
| import org.apache.iotdb.commons.pipe.connector.payload.thrift.request.PipeTransferFilePieceReq; |
| import org.apache.iotdb.db.pipe.connector.payload.evolvable.request.PipeTransferSchemaSnapshotPieceReq; |
| import org.apache.iotdb.db.pipe.connector.payload.evolvable.request.PipeTransferSchemaSnapshotSealReq; |
| import org.apache.iotdb.db.pipe.event.common.heartbeat.PipeHeartbeatEvent; |
| import org.apache.iotdb.db.pipe.event.common.schema.PipeSchemaRegionSnapshotEvent; |
| import org.apache.iotdb.db.pipe.event.common.schema.PipeSchemaRegionWritePlanEvent; |
| import org.apache.iotdb.pipe.api.event.Event; |
| import org.apache.iotdb.pipe.api.event.dml.insertion.TabletInsertionEvent; |
| import org.apache.iotdb.pipe.api.event.dml.insertion.TsFileInsertionEvent; |
| import org.apache.iotdb.pipe.api.exception.PipeConnectionException; |
| import org.apache.iotdb.pipe.api.exception.PipeException; |
| import org.apache.iotdb.rpc.TSStatusCode; |
| import org.apache.iotdb.service.rpc.thrift.TPipeTransferResp; |
| import org.apache.iotdb.tsfile.utils.Pair; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.Objects; |
| |
| public class IoTDBSchemaRegionConnector extends IoTDBDataNodeSyncConnector { |
| |
| private static final Logger LOGGER = LoggerFactory.getLogger(IoTDBSchemaRegionConnector.class); |
| |
| @Override |
| public void transfer(final TabletInsertionEvent tabletInsertionEvent) throws Exception { |
| throw new UnsupportedOperationException( |
| "IoTDBSchemaRegionConnector can't transfer TabletInsertionEvent."); |
| } |
| |
| @Override |
| public void transfer(final TsFileInsertionEvent tsFileInsertionEvent) throws Exception { |
| throw new UnsupportedOperationException( |
| "IoTDBSchemaRegionConnector can't transfer TsFileInsertionEvent."); |
| } |
| |
| @Override |
| public void transfer(final Event event) throws Exception { |
| if (event instanceof PipeSchemaRegionWritePlanEvent) { |
| doTransferWrapper((PipeSchemaRegionWritePlanEvent) event); |
| } else if (event instanceof PipeSchemaRegionSnapshotEvent) { |
| doTransferWrapper((PipeSchemaRegionSnapshotEvent) event); |
| } else if (!(event instanceof PipeHeartbeatEvent)) { |
| LOGGER.warn( |
| "IoTDBSchemaRegionConnector does not support transferring generic event: {}.", event); |
| } |
| } |
| |
| private void doTransferWrapper(final PipeSchemaRegionSnapshotEvent pipeSchemaRegionSnapshotEvent) |
| throws PipeException, IOException { |
| try { |
| // We increase the reference count for this event to determine if the event may be released. |
| if (!pipeSchemaRegionSnapshotEvent.increaseReferenceCount( |
| IoTDBSchemaRegionConnector.class.getName())) { |
| return; |
| } |
| doTransfer(pipeSchemaRegionSnapshotEvent); |
| } finally { |
| pipeSchemaRegionSnapshotEvent.decreaseReferenceCount( |
| IoTDBSchemaRegionConnector.class.getName(), false); |
| } |
| } |
| |
| private void doTransfer(final PipeSchemaRegionSnapshotEvent snapshotEvent) |
| throws PipeException, IOException { |
| final File mTreeSnapshotFile = snapshotEvent.getMTreeSnapshotFile(); |
| final File tagLogSnapshotFile = snapshotEvent.getTagLogSnapshotFile(); |
| final Pair<IoTDBSyncClient, Boolean> clientAndStatus = clientManager.getClient(); |
| final TPipeTransferResp resp; |
| |
| // 1. Transfer mTreeSnapshotFile, and tLog file if exists |
| transferFilePieces(mTreeSnapshotFile, clientAndStatus, true); |
| if (Objects.nonNull(tagLogSnapshotFile)) { |
| transferFilePieces(tagLogSnapshotFile, clientAndStatus, true); |
| } |
| // 2. Transfer file seal signal, which means the snapshots are transferred completely |
| try { |
| resp = |
| clientAndStatus |
| .getLeft() |
| .pipeTransfer( |
| PipeTransferSchemaSnapshotSealReq.toTPipeTransferReq( |
| mTreeSnapshotFile.getName(), |
| mTreeSnapshotFile.length(), |
| Objects.nonNull(tagLogSnapshotFile) ? tagLogSnapshotFile.getName() : null, |
| Objects.nonNull(tagLogSnapshotFile) ? tagLogSnapshotFile.length() : 0, |
| snapshotEvent.getDatabaseName(), |
| snapshotEvent.toSealTypeString())); |
| } catch (final Exception e) { |
| clientAndStatus.setRight(false); |
| throw new PipeConnectionException( |
| String.format( |
| "Network error when seal snapshot file %s and %s, because %s.", |
| mTreeSnapshotFile, tagLogSnapshotFile, e.getMessage()), |
| e); |
| } |
| |
| // Only handle the failed statuses to avoid string format performance overhead |
| if (resp.getStatus().getCode() != TSStatusCode.SUCCESS_STATUS.getStatusCode() |
| && resp.getStatus().getCode() != TSStatusCode.REDIRECTION_RECOMMEND.getStatusCode()) { |
| receiverStatusHandler.handle( |
| resp.getStatus(), |
| String.format( |
| "Seal file %s and %s error, result status %s.", |
| mTreeSnapshotFile, tagLogSnapshotFile, resp.getStatus()), |
| snapshotEvent.toString()); |
| } |
| |
| LOGGER.info("Successfully transferred file {} and {}.", mTreeSnapshotFile, tagLogSnapshotFile); |
| } |
| |
| @Override |
| protected PipeTransferFilePieceReq getTransferSingleFilePieceReq( |
| final String fileName, final long position, final byte[] payLoad) { |
| throw new UnsupportedOperationException( |
| "The schema region connector does not support transferring single file piece req."); |
| } |
| |
| @Override |
| protected PipeTransferFilePieceReq getTransferMultiFilePieceReq( |
| final String fileName, final long position, final byte[] payLoad) throws IOException { |
| return PipeTransferSchemaSnapshotPieceReq.toTPipeTransferReq(fileName, position, payLoad); |
| } |
| } |