531651225 commented on code in PR #3679: URL: https://github.com/apache/incubator-seatunnel/pull/3679#discussion_r1091762647
########## seatunnel-connectors-v2/connector-starrocks/src/main/java/org/apache/seatunnel/connectors/seatunnel/starrocks/client/source/StarRocksBeReadClient.java: ########## @@ -0,0 +1,180 @@ +/* + * 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.seatunnel.connectors.seatunnel.starrocks.client.source; + +import static org.apache.seatunnel.connectors.seatunnel.starrocks.exception.StarRocksConnectorErrorCode.CLOSE_BE_READER_FAILED; + +import org.apache.seatunnel.api.table.type.SeaTunnelRow; +import org.apache.seatunnel.api.table.type.SeaTunnelRowType; +import org.apache.seatunnel.connectors.seatunnel.starrocks.client.source.model.QueryPartition; +import org.apache.seatunnel.connectors.seatunnel.starrocks.config.SourceConfig; +import org.apache.seatunnel.connectors.seatunnel.starrocks.exception.StarRocksConnectorErrorCode; +import org.apache.seatunnel.connectors.seatunnel.starrocks.exception.StarRocksConnectorException; + +import com.starrocks.shade.org.apache.thrift.TException; +import com.starrocks.shade.org.apache.thrift.protocol.TBinaryProtocol; +import com.starrocks.shade.org.apache.thrift.protocol.TProtocol; +import com.starrocks.shade.org.apache.thrift.transport.TSocket; +import com.starrocks.shade.org.apache.thrift.transport.TTransportException; +import com.starrocks.thrift.TScanBatchResult; +import com.starrocks.thrift.TScanCloseParams; +import com.starrocks.thrift.TScanNextBatchParams; +import com.starrocks.thrift.TScanOpenParams; +import com.starrocks.thrift.TScanOpenResult; +import com.starrocks.thrift.TStarrocksExternalService; +import com.starrocks.thrift.TStatusCode; +import lombok.extern.slf4j.Slf4j; + +import java.io.Serializable; +import java.util.ArrayList; +import java.util.List; +import java.util.concurrent.atomic.AtomicBoolean; + +@Slf4j +public class StarRocksBeReadClient implements Serializable { + private static final String DEFAULT_CLUSTER_NAME = "default_cluster"; + + private TStarrocksExternalService.Client client; + private final String ip; + private final int port; + private String contextId; + private int readerOffset = 0; + private final SourceConfig sourceConfig; + private final SeaTunnelRowType seaTunnelRowType; + private StarRocksRowBatchReader rowBatch; + + private final List<Long> tabletIds; + + private final String queryPlan; + protected AtomicBoolean eos = new AtomicBoolean(false); + + public StarRocksBeReadClient(QueryPartition queryPartition, + SourceConfig sourceConfig, + SeaTunnelRowType seaTunnelRowType) { + this.sourceConfig = sourceConfig; + this.seaTunnelRowType = seaTunnelRowType; + String beNodeInfo = queryPartition.getBeAddress(); + log.debug("Parse StarRocks BE address: '{}'.", beNodeInfo); + String[] hostPort = beNodeInfo.split(":"); + if (hostPort.length != 2) { + throw new StarRocksConnectorException(StarRocksConnectorErrorCode.CREATE_BE_READER_FAILED, + String.format("Format of StarRocks BE address[%s] is illegal", beNodeInfo)); + } + this.ip = hostPort[0].trim(); + this.port = Integer.parseInt(hostPort[1].trim()); + this.queryPlan = queryPartition.getQueryPlan(); + this.tabletIds = new ArrayList<>(queryPartition.getTabletIds()); + TBinaryProtocol.Factory factory = new TBinaryProtocol.Factory(); + TSocket socket = new TSocket(ip, port, sourceConfig.getConnectTimeoutMs(), sourceConfig.getConnectTimeoutMs()); + try { + socket.open(); + } catch (TTransportException e) { + socket.close(); + throw new StarRocksConnectorException(StarRocksConnectorErrorCode.CREATE_BE_READER_FAILED, + "Failed to open socket", e); + } + TProtocol protocol = factory.getProtocol(socket); + client = new TStarrocksExternalService.Client(protocol); + + } + + public void openScanner() { + TScanOpenParams params = new TScanOpenParams(); + params.setTablet_ids(tabletIds); + params.setOpaqued_query_plan(queryPlan); + params.setCluster(DEFAULT_CLUSTER_NAME); + params.setDatabase(sourceConfig.getDatabase()); + params.setTable(sourceConfig.getTable()); + params.setUser(sourceConfig.getUsername()); + params.setPasswd(sourceConfig.getPassword()); + params.setBatch_size(sourceConfig.getBatchRows()); + if (sourceConfig.getSourceOptionProps() != null) { + params.setProperties(sourceConfig.getSourceOptionProps()); + } + short keepAliveMin = (short) Math.min(Short.MAX_VALUE, sourceConfig.getKeepAliveMin()); + params.setKeep_alive_min(keepAliveMin); + params.setQuery_timeout(sourceConfig.getQueryTimeoutSec()); + params.setMem_limit(sourceConfig.getMemLimit()); + log.info("open Scan params.mem_limit {} B", params.getMem_limit()); + log.info("open Scan params.keep-alive-min {} min", params.getKeep_alive_min()); + log.info("open Scan params.batch_size {}", params.getBatch_size()); + TScanOpenResult result = null; + try { + result = client.open_scanner(params); + if (!TStatusCode.OK.equals(result.getStatus().getStatus_code())) { + throw new StarRocksConnectorException(StarRocksConnectorErrorCode.SCAN_BE_DATA_FAILED, + "Failed to open scanner." + + result.getStatus().getStatus_code() + + result.getStatus().getError_msgs() + ); + } + } catch (TException e) { + throw new StarRocksConnectorException(StarRocksConnectorErrorCode.SCAN_BE_DATA_FAILED, + e.getMessage()); + } + this.contextId = result.getContext_id(); + log.info("Open scanner for {}:{} with context id {}, and there are {} tablets {}", + ip, port, contextId, tabletIds.size(), tabletIds); + } + + public boolean hasNext() { + boolean hasNext = false; + // Arrow data was acquired synchronously during the iterative process + if (!eos.get() && (rowBatch == null || !rowBatch.hasNext())) { + if (rowBatch != null) { + readerOffset += rowBatch.getReadRowCount(); + rowBatch.close(); + } + TScanNextBatchParams nextBatchParams = new TScanNextBatchParams(); + nextBatchParams.setContext_id(contextId); + nextBatchParams.setOffset(readerOffset); + TScanBatchResult result; + try { + result = client.get_next(nextBatchParams); + if (!TStatusCode.OK.equals(result.getStatus().getStatus_code())) { + throw new StarRocksConnectorException(StarRocksConnectorErrorCode.SCAN_BE_DATA_FAILED, "Failed to get next from be -> ip:[" + ip + "] " + + result.getStatus().getStatus_code() + " msg:" + result.getStatus().getError_msgs()); + } + eos.set(result.isEos()); + if (!eos.get()) { + rowBatch = new StarRocksRowBatchReader(result, seaTunnelRowType).readArrow(); + } + } catch (TException e) { + throw new RuntimeException(e.getMessage()); Review Comment: already fix it. -- This is an automated message from the Apache Git Service. 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