Bughue commented on code in PR #6230: URL: https://github.com/apache/incubator-seata/pull/6230#discussion_r1495185387
########## rocketmq/src/main/java/org/apache/seata/integration/rocketmq/SeataMQProducer.java: ########## @@ -0,0 +1,148 @@ +/* + * 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.seata.integration.rocketmq; + +import org.apache.rocketmq.client.producer.SendStatus; +import org.apache.seata.common.util.StringUtils; +import org.apache.seata.core.context.RootContext; +import org.apache.seata.core.model.GlobalStatus; +import org.apache.seata.rm.DefaultResourceManager; +import org.apache.rocketmq.client.Validators; +import org.apache.rocketmq.client.exception.MQBrokerException; +import org.apache.rocketmq.client.exception.MQClientException; +import org.apache.rocketmq.client.producer.LocalTransactionState; +import org.apache.rocketmq.client.producer.SendResult; +import org.apache.rocketmq.client.producer.TransactionListener; +import org.apache.rocketmq.client.producer.TransactionMQProducer; +import org.apache.rocketmq.common.message.Message; +import org.apache.rocketmq.common.message.MessageAccessor; +import org.apache.rocketmq.common.message.MessageConst; +import org.apache.rocketmq.common.message.MessageExt; +import org.apache.rocketmq.remoting.RPCHook; +import org.apache.rocketmq.remoting.exception.RemotingException; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.util.Arrays; +import java.util.List; +import java.util.concurrent.TimeoutException; + +/** + * Seata MQ Producer + **/ +public class SeataMQProducer extends TransactionMQProducer { + + private static final Logger LOGGER = LoggerFactory.getLogger(SeataMQProducer.class); + + public static String PROPERTY_SEATA_XID = RootContext.KEY_XID; + public static String PROPERTY_SEATA_BRANCHID = "TX_BRANCHID"; + private TransactionListener transactionListener; + + SeataMQProducer(final String producerGroup) { + this(null, producerGroup, null); + } + + SeataMQProducer(final String namespace, final String producerGroup, RPCHook rpcHook) { + super(namespace, producerGroup, rpcHook); + this.transactionListener = new TransactionListener() { + @Override + public LocalTransactionState executeLocalTransaction(Message msg, Object arg) { + return LocalTransactionState.UNKNOW; + } + + @Override + public LocalTransactionState checkLocalTransaction(MessageExt msg) { + String xid = msg.getProperty(PROPERTY_SEATA_XID); + if (StringUtils.isBlank(xid)) { + LOGGER.error("msg has no xid, msgTransactionId: {}, msg will be rollback", msg.getTransactionId()); + return LocalTransactionState.ROLLBACK_MESSAGE; + } + List<GlobalStatus> commitStatuses = Arrays.asList(GlobalStatus.Committed, GlobalStatus.Committing, GlobalStatus.CommitRetrying); + List<GlobalStatus> rollbackStatuses = Arrays.asList(GlobalStatus.Rollbacked, GlobalStatus.Rollbacking, GlobalStatus.RollbackRetrying); + try { + GlobalStatus globalStatus = DefaultResourceManager.get().getGlobalStatus(xid); + if (commitStatuses.contains(globalStatus)) { + return LocalTransactionState.COMMIT_MESSAGE; + } else if (rollbackStatuses.contains(globalStatus) || GlobalStatus.isOnePhaseTimeout(globalStatus)) { + return LocalTransactionState.ROLLBACK_MESSAGE; + } else if (GlobalStatus.Finished.equals(globalStatus)) { + LOGGER.error("global transaction finished, msg will be rollback, xid: {}", xid); + return LocalTransactionState.ROLLBACK_MESSAGE; + } + } catch (TimeoutException e) { + LOGGER.error("getGlobalStatus error, xid: {}, msgTransactionId: {}", xid, msg.getTransactionId(), e); + } + return LocalTransactionState.UNKNOW; + } + }; + } + + + public SendResult send(Message msg) throws MQClientException, MQBrokerException, RemotingException, InterruptedException { + return send(msg, this.defaultMQProducerImpl.getDefaultMQProducer().getSendMsgTimeout()); + } + + @Override + public SendResult send(Message msg, long timeout) throws MQClientException, MQBrokerException, RemotingException, InterruptedException { + if (RootContext.inGlobalTransaction()) { + if (SeataMQProducerFactory.getTccRocketMQ() == null) { + throw new RuntimeException("TCCRocketMQ is not initialized"); + } + return SeataMQProducerFactory.getTccRocketMQ().prepare(msg, timeout); + } else { + return super.send(msg, timeout); + } + } + + public SendResult doSendMessageInTransaction(final Message msg, long timeout, String xid, long branchId) throws MQClientException { + msg.setTopic(withNamespace(msg.getTopic())); + if (msg.getDelayTimeLevel() != 0) { + MessageAccessor.clearProperty(msg, MessageConst.PROPERTY_DELAY_TIME_LEVEL); + } + + Validators.checkMessage(msg, this.defaultMQProducerImpl.getDefaultMQProducer()); + + SendResult sendResult = null; + MessageAccessor.putProperty(msg, MessageConst.PROPERTY_TRANSACTION_PREPARED, "true"); + MessageAccessor.putProperty(msg, MessageConst.PROPERTY_PRODUCER_GROUP, this.defaultMQProducerImpl.getDefaultMQProducer().getProducerGroup()); + MessageAccessor.putProperty(msg, PROPERTY_SEATA_XID, xid); + MessageAccessor.putProperty(msg, PROPERTY_SEATA_BRANCHID, String.valueOf(branchId)); + try { + sendResult = super.send(msg, timeout); + } catch (Exception e) { + throw new MQClientException("send message Exception", e); + } + + if (SendStatus.SEND_OK != sendResult.getSendStatus()) { Review Comment: 这里说的是做seata的 branchreport？这段逻辑是在prepare内部发生的，所以这里抛出异常之后tcc自己会上报fail的 -- This is an automated message from the Apache Git Service. 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