/*
 * 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.rocketmq.tools.admin;

import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
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.Properties;
import java.util.Random;
import java.util.Set;
import org.apache.commons.lang3.StringUtils;
import org.apache.rocketmq.client.QueryResult;
import org.apache.rocketmq.client.admin.MQAdminExtInner;
import org.apache.rocketmq.client.exception.MQBrokerException;
import org.apache.rocketmq.client.exception.MQClientException;
import org.apache.rocketmq.client.impl.MQClientManager;
import org.apache.rocketmq.client.impl.factory.MQClientInstance;
import org.apache.rocketmq.client.log.ClientLogger;
import org.apache.rocketmq.common.MixAll;
import org.apache.rocketmq.common.ServiceState;
import org.apache.rocketmq.common.TopicConfig;
import org.apache.rocketmq.common.UtilAll;
import org.apache.rocketmq.common.admin.ConsumeStats;
import org.apache.rocketmq.common.admin.OffsetWrapper;
import org.apache.rocketmq.common.admin.RollbackStats;
import org.apache.rocketmq.common.admin.TopicOffset;
import org.apache.rocketmq.common.admin.TopicStatsTable;
import org.apache.rocketmq.common.help.FAQUrl;
import org.apache.rocketmq.logging.InternalLogger;
import org.apache.rocketmq.common.message.MessageClientExt;
import org.apache.rocketmq.common.message.MessageConst;
import org.apache.rocketmq.common.message.MessageDecoder;
import org.apache.rocketmq.common.message.MessageExt;
import org.apache.rocketmq.common.message.MessageQueue;
import org.apache.rocketmq.common.namesrv.NamesrvUtil;
import org.apache.rocketmq.common.protocol.ResponseCode;
import org.apache.rocketmq.common.protocol.body.BrokerStatsData;
import org.apache.rocketmq.common.protocol.body.ClusterInfo;
import org.apache.rocketmq.common.protocol.body.ConsumeMessageDirectlyResult;
import org.apache.rocketmq.common.protocol.body.ConsumeStatsList;
import org.apache.rocketmq.common.protocol.body.ConsumerConnection;
import org.apache.rocketmq.common.protocol.body.ConsumerRunningInfo;
import org.apache.rocketmq.common.protocol.body.GroupList;
import org.apache.rocketmq.common.protocol.body.KVTable;
import org.apache.rocketmq.common.protocol.body.ProducerConnection;
import org.apache.rocketmq.common.protocol.body.QueryConsumeQueueResponseBody;
import org.apache.rocketmq.common.protocol.body.QueueTimeSpan;
import org.apache.rocketmq.common.protocol.body.SubscriptionGroupWrapper;
import org.apache.rocketmq.common.protocol.body.TopicConfigSerializeWrapper;
import org.apache.rocketmq.common.protocol.body.TopicList;
import org.apache.rocketmq.common.protocol.header.UpdateConsumerOffsetRequestHeader;
import org.apache.rocketmq.common.protocol.heartbeat.SubscriptionData;
import org.apache.rocketmq.common.protocol.route.BrokerData;
import org.apache.rocketmq.common.protocol.route.QueueData;
import org.apache.rocketmq.common.protocol.route.TopicRouteData;
import org.apache.rocketmq.common.subscription.SubscriptionGroupConfig;
import org.apache.rocketmq.remoting.RPCHook;
import org.apache.rocketmq.remoting.common.RemotingHelper;
import org.apache.rocketmq.remoting.common.RemotingUtil;
import org.apache.rocketmq.remoting.exception.RemotingCommandException;
import org.apache.rocketmq.remoting.exception.RemotingConnectException;
import org.apache.rocketmq.remoting.exception.RemotingException;
import org.apache.rocketmq.remoting.exception.RemotingSendRequestException;
import org.apache.rocketmq.remoting.exception.RemotingTimeoutException;
import org.apache.rocketmq.tools.admin.api.MessageTrack;
import org.apache.rocketmq.tools.admin.api.TrackType;
//
public class DefaultMQAdminExtImpl implements MQAdminExt, MQAdminExtInner {
    private final InternalLogger log = ClientLogger.getLog();
    private final DefaultMQAdminExt defaultMQAdminExt;
    private ServiceState serviceState = ServiceState.CREATE_JUST;
    private MQClientInstance mqClientInstance;
    private RPCHook rpcHook;
    private long timeoutMillis = 20000;
    private Random random = new Random();

    public DefaultMQAdminExtImpl(DefaultMQAdminExt defaultMQAdminExt, long timeoutMillis) {
        this(defaultMQAdminExt, null, timeoutMillis);
    }

//    mark
    public DefaultMQAdminExtImpl(DefaultMQAdminExt defaultMQAdminExt, RPCHook rpcHook, long timeoutMillis) {
        this.defaultMQAdminExt = defaultMQAdminExt;
        this.rpcHook = rpcHook;
        this.timeoutMillis = timeoutMillis;
    }

//    mark
    @Override
    public void  start() throws MQClientException {
        switch (this.serviceState) {
            case CREATE_JUST://服务只启动,不创建
                this.serviceState = ServiceState.START_FAILED;

                this.defaultMQAdminExt.changeInstanceNameToPID();

//                创建mqclient对象 =》
                this.mqClientInstance = MQClientManager.getInstance().getAndCreateMQClientInstance(this.defaultMQAdminExt, rpcHook);

//                注册管理服务处理器=》
                boolean registerOK = mqClientInstance.registerAdminExt(this.defaultMQAdminExt.getAdminExtGroup(), this);
                if (!registerOK) {
                    this.serviceState = ServiceState.CREATE_JUST;
                    throw new MQClientException("The adminExt group[" + this.defaultMQAdminExt.getAdminExtGroup()
                        + "] has created already, specifed another name please."
                        + FAQUrl.suggestTodo(FAQUrl.GROUP_NAME_DUPLICATE_URL), null);
                }

//                启动mqclient =》
                mqClientInstance.start();

                log.info("the adminExt [{}] start OK", this.defaultMQAdminExt.getAdminExtGroup());

                this.serviceState = ServiceState.RUNNING;
                break;
            case RUNNING:
            case START_FAILED:
            case SHUTDOWN_ALREADY:
                throw new MQClientException("The AdminExt service state not OK, maybe started once, "
                    + this.serviceState
                    + FAQUrl.suggestTodo(FAQUrl.CLIENT_SERVICE_NOT_OK), null);
            default:
                break;
        }
    }
//
    @Override
    public void shutdown() {
        switch (this.serviceState) {
            case CREATE_JUST:
                break;
            case RUNNING:
                this.mqClientInstance.unregisterAdminExt(this.defaultMQAdminExt.getAdminExtGroup());
                this.mqClientInstance.shutdown();

                log.info("the adminExt [{}] shutdown OK", this.defaultMQAdminExt.getAdminExtGroup());
                this.serviceState = ServiceState.SHUTDOWN_ALREADY;
                break;
            case SHUTDOWN_ALREADY:
                break;
            default:
                break;
        }
    }
//
    @Override
    public void updateBrokerConfig(String brokerAddr,
        Properties properties) throws RemotingConnectException, RemotingSendRequestException,
        RemotingTimeoutException, UnsupportedEncodingException, InterruptedException, MQBrokerException {
        this.mqClientInstance.getMQClientAPIImpl().updateBrokerConfig(brokerAddr, properties, timeoutMillis);
    }
//
    @Override
    public Properties getBrokerConfig(final String brokerAddr) throws RemotingConnectException,
        RemotingSendRequestException, RemotingTimeoutException, UnsupportedEncodingException, InterruptedException, MQBrokerException {
        return this.mqClientInstance.getMQClientAPIImpl().getBrokerConfig(brokerAddr, timeoutMillis);
    }
//
    @Override
    public void createAndUpdateTopicConfig(String addr, TopicConfig config) throws RemotingException, MQBrokerException,
        InterruptedException, MQClientException {
        this.mqClientInstance.getMQClientAPIImpl().createTopic(addr, this.defaultMQAdminExt.getCreateTopicKey(), config, timeoutMillis);
    }
//
    @Override
    public void createAndUpdateSubscriptionGroupConfig(String addr,
        SubscriptionGroupConfig config) throws RemotingException,
        MQBrokerException, InterruptedException, MQClientException {
        this.mqClientInstance.getMQClientAPIImpl().createSubscriptionGroup(addr, config, timeoutMillis);
    }
//
    @Override
    public SubscriptionGroupConfig examineSubscriptionGroupConfig(String addr, String group) {
        return null;
    }
//
    @Override
    public TopicConfig examineTopicConfig(String addr, String topic) {
        return null;
    }
//
    @Override
    public TopicStatsTable examineTopicStats(
        String topic) throws RemotingException, MQClientException, InterruptedException,
        MQBrokerException {
        TopicRouteData topicRouteData = this.examineTopicRouteInfo(topic);
        TopicStatsTable topicStatsTable = new TopicStatsTable();

        for (BrokerData bd : topicRouteData.getBrokerDatas()) {
            String addr = bd.selectBrokerAddr();
            if (addr != null) {
                TopicStatsTable tst = this.mqClientInstance.getMQClientAPIImpl().getTopicStatsInfo(addr, topic, timeoutMillis);
                topicStatsTable.getOffsetTable().putAll(tst.getOffsetTable());
            }
        }

        if (topicStatsTable.getOffsetTable().isEmpty()) {
            throw new MQClientException("Not found the topic stats info", null);
        }

        return topicStatsTable;
    }
//
    @Override
    public TopicList fetchAllTopicList() throws RemotingException, MQClientException, InterruptedException {
        return this.mqClientInstance.getMQClientAPIImpl().getTopicListFromNameServer(timeoutMillis);
    }
//
    @Override
    public TopicList fetchTopicsByCLuster(
        String clusterName) throws RemotingException, MQClientException, InterruptedException {
        return this.mqClientInstance.getMQClientAPIImpl().getTopicsByCluster(clusterName, timeoutMillis);
    }
//
    @Override
    public KVTable fetchBrokerRuntimeStats(
        final String brokerAddr) throws RemotingConnectException, RemotingSendRequestException,
        RemotingTimeoutException, InterruptedException, MQBrokerException {
        return this.mqClientInstance.getMQClientAPIImpl().getBrokerRuntimeInfo(brokerAddr, timeoutMillis);
    }
//
    @Override
    public ConsumeStats examineConsumeStats(
        String consumerGroup) throws RemotingException, MQClientException, InterruptedException,
        MQBrokerException {
        return examineConsumeStats(consumerGroup, null);
    }
//
    @Override
    public ConsumeStats examineConsumeStats(String consumerGroup,
        String topic) throws RemotingException, MQClientException,
        InterruptedException, MQBrokerException {
        String retryTopic = MixAll.getRetryTopic(consumerGroup);
        TopicRouteData topicRouteData = this.examineTopicRouteInfo(retryTopic);
        ConsumeStats result = new ConsumeStats();

        for (BrokerData bd : topicRouteData.getBrokerDatas()) {
            String addr = bd.selectBrokerAddr();
            if (addr != null) {
                ConsumeStats consumeStats =
                    this.mqClientInstance.getMQClientAPIImpl().getConsumeStats(addr, consumerGroup, topic, timeoutMillis * 3);
                result.getOffsetTable().putAll(consumeStats.getOffsetTable());
                double value = result.getConsumeTps() + consumeStats.getConsumeTps();
                result.setConsumeTps(value);
            }
        }

        if (result.getOffsetTable().isEmpty()) {
            throw new MQClientException(ResponseCode.CONSUMER_NOT_ONLINE,
                "Not found the consumer group consume stats, because return offset table is empty, maybe the consumer not consume any message");
        }

        return result;
    }
//
    @Override
    public ClusterInfo examineBrokerClusterInfo() throws InterruptedException, MQBrokerException, RemotingTimeoutException,
        RemotingSendRequestException, RemotingConnectException {
        return this.mqClientInstance.getMQClientAPIImpl().getBrokerClusterInfo(timeoutMillis);
    }
//
    @Override
    public TopicRouteData examineTopicRouteInfo(
        String topic) throws RemotingException, MQClientException, InterruptedException {
        return this.mqClientInstance.getMQClientAPIImpl().getTopicRouteInfoFromNameServer(topic, timeoutMillis);
    }
//
    @Override
    public MessageExt viewMessage(String topic,
        String msgId) throws RemotingException, MQBrokerException, InterruptedException, MQClientException {
        try {
            MessageDecoder.decodeMessageId(msgId);
            return this.viewMessage(msgId);
        } catch (Exception e) {
            log.warn("the msgId maybe created by new client. msgId={}", msgId, e);
        }
        return this.mqClientInstance.getMQAdminImpl().queryMessageByUniqKey(topic, msgId);
    }
//
    @Override
    public ConsumerConnection examineConsumerConnectionInfo(
        String consumerGroup) throws InterruptedException, MQBrokerException,
        RemotingException, MQClientException {
        ConsumerConnection result = new ConsumerConnection();
        String topic = MixAll.getRetryTopic(consumerGroup);
        List<BrokerData> brokers = this.examineTopicRouteInfo(topic).getBrokerDatas();
        BrokerData brokerData = brokers.get(random.nextInt(brokers.size()));
        String addr = null;
        if (brokerData != null) {
            addr = brokerData.selectBrokerAddr();
            if (StringUtils.isNotBlank(addr)) {
                result = this.mqClientInstance.getMQClientAPIImpl().getConsumerConnectionList(addr, consumerGroup, timeoutMillis);
            }
        }

        if (result.getConnectionSet().isEmpty()) {
            log.warn("the consumer group not online. brokerAddr={}, group={}", addr, consumerGroup);
            throw new MQClientException(ResponseCode.CONSUMER_NOT_ONLINE, "Not found the consumer group connection");
        }

        return result;
    }
//
    @Override
    public ProducerConnection examineProducerConnectionInfo(String producerGroup,
        final String topic) throws RemotingException,
        MQClientException, InterruptedException, MQBrokerException {
        ProducerConnection result = new ProducerConnection();
        List<BrokerData> brokers = this.examineTopicRouteInfo(topic).getBrokerDatas();
        BrokerData brokerData = brokers.get(random.nextInt(brokers.size()));
        String addr = null;
        if (brokerData != null) {
            addr = brokerData.selectBrokerAddr();
            if (StringUtils.isNotBlank(addr)) {
                result = this.mqClientInstance.getMQClientAPIImpl().getProducerConnectionList(addr, producerGroup, timeoutMillis);
            }
        }

        if (result.getConnectionSet().isEmpty()) {
            log.warn("the producer group not online. brokerAddr={}, group={}", addr, producerGroup);
            throw new MQClientException("Not found the producer group connection", null);
        }

        return result;
    }
//
    @Override
    public List<String> getNameServerAddressList() {
        return this.mqClientInstance.getMQClientAPIImpl().getNameServerAddressList();
    }
//
    @Override
    public int wipeWritePermOfBroker(final String namesrvAddr, String brokerName) throws RemotingCommandException,
        RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException, InterruptedException, MQClientException {
        return this.mqClientInstance.getMQClientAPIImpl().wipeWritePermOfBroker(namesrvAddr, brokerName, timeoutMillis);
    }
//
    @Override
    public void putKVConfig(String namespace, String key, String value) {
    }

    @Override
    public String getKVConfig(String namespace,
        String key) throws RemotingException, MQClientException, InterruptedException {
        return this.mqClientInstance.getMQClientAPIImpl().getKVConfigValue(namespace, key, timeoutMillis);
    }

    @Override
    public KVTable getKVListByNamespace(
        String namespace) throws RemotingException, MQClientException, InterruptedException {
        return this.mqClientInstance.getMQClientAPIImpl().getKVListByNamespace(namespace, timeoutMillis);
    }
//
    @Override
    public void deleteTopicInBroker(Set<String> addrs,
        String topic) throws RemotingException, MQBrokerException, InterruptedException,
        MQClientException {
        for (String addr : addrs) {
            this.mqClientInstance.getMQClientAPIImpl().deleteTopicInBroker(addr, topic, timeoutMillis);
        }
    }
//
    @Override
    public void deleteTopicInNameServer(Set<String> addrs,
        String topic) throws RemotingException, MQBrokerException, InterruptedException,
        MQClientException {
        if (addrs == null) {
            String ns = this.mqClientInstance.getMQClientAPIImpl().fetchNameServerAddr();
            addrs = new HashSet(Arrays.asList(ns.split(";")));
        }
        for (String addr : addrs) {
            this.mqClientInstance.getMQClientAPIImpl().deleteTopicInNameServer(addr, topic, timeoutMillis);
        }
    }
//
    @Override
    public void deleteSubscriptionGroup(String addr,
        String groupName) throws RemotingException, MQBrokerException, InterruptedException,
        MQClientException {
        this.mqClientInstance.getMQClientAPIImpl().deleteSubscriptionGroup(addr, groupName, timeoutMillis);
    }
//
    @Override
    public void createAndUpdateKvConfig(String namespace, String key,
        String value) throws RemotingException, MQBrokerException,
        InterruptedException, MQClientException {
        this.mqClientInstance.getMQClientAPIImpl().putKVConfigValue(namespace, key, value, timeoutMillis);
    }
//
    @Override
    public void deleteKvConfig(String namespace,
        String key) throws RemotingException, MQBrokerException, InterruptedException,
        MQClientException {
        this.mqClientInstance.getMQClientAPIImpl().deleteKVConfigValue(namespace, key, timeoutMillis);
    }
//
    @Override
    public List<RollbackStats> resetOffsetByTimestampOld(String consumerGroup, String topic, long timestamp,
        boolean force)
        throws RemotingException, MQBrokerException, InterruptedException, MQClientException {
        TopicRouteData topicRouteData = this.examineTopicRouteInfo(topic);
        List<RollbackStats> rollbackStatsList = new ArrayList<RollbackStats>();
        Map<String, Integer> topicRouteMap = new HashMap<String, Integer>();
        for (BrokerData bd : topicRouteData.getBrokerDatas()) {
            for (QueueData queueData : topicRouteData.getQueueDatas()) {
                topicRouteMap.put(bd.selectBrokerAddr(), queueData.getReadQueueNums());
            }
        }
        for (BrokerData bd : topicRouteData.getBrokerDatas()) {
            String addr = bd.selectBrokerAddr();
            if (addr != null) {
                ConsumeStats consumeStats = this.mqClientInstance.getMQClientAPIImpl().getConsumeStats(addr, consumerGroup, timeoutMillis);

                boolean hasConsumed = false;
                for (Map.Entry<MessageQueue, OffsetWrapper> entry : consumeStats.getOffsetTable().entrySet()) {
                    MessageQueue queue = entry.getKey();
                    OffsetWrapper offsetWrapper = entry.getValue();
                    if (topic.equals(queue.getTopic())) {
                        hasConsumed = true;
                        RollbackStats rollbackStats = resetOffsetConsumeOffset(addr, consumerGroup, queue, offsetWrapper, timestamp, force);
                        rollbackStatsList.add(rollbackStats);
                    }
                }

                if (!hasConsumed) {
                    HashMap<MessageQueue, TopicOffset> topicStatus =
                        this.mqClientInstance.getMQClientAPIImpl().getTopicStatsInfo(addr, topic, timeoutMillis).getOffsetTable();
                    for (int i = 0; i < topicRouteMap.get(addr); i++) {
                        MessageQueue queue = new MessageQueue(topic, bd.getBrokerName(), i);
                        OffsetWrapper offsetWrapper = new OffsetWrapper();
                        offsetWrapper.setBrokerOffset(topicStatus.get(queue).getMaxOffset());
                        offsetWrapper.setConsumerOffset(topicStatus.get(queue).getMinOffset());

                        RollbackStats rollbackStats = resetOffsetConsumeOffset(addr, consumerGroup, queue, offsetWrapper, timestamp, force);
                        rollbackStatsList.add(rollbackStats);
                    }
                }
            }
        }
        return rollbackStatsList;
    }
//
    @Override
    public Map<MessageQueue, Long> resetOffsetByTimestamp(String topic, String group, long timestamp, boolean isForce)
        throws RemotingException, MQBrokerException, InterruptedException, MQClientException {
        return resetOffsetByTimestamp(topic, group, timestamp, isForce, false);
    }

    @Override
    public void resetOffsetNew(String consumerGroup, String topic,
        long timestamp) throws RemotingException, MQBrokerException,
        InterruptedException, MQClientException {
        try {
            this.resetOffsetByTimestamp(topic, consumerGroup, timestamp, true);
        } catch (MQClientException e) {
            if (ResponseCode.CONSUMER_NOT_ONLINE == e.getResponseCode()) {
                this.resetOffsetByTimestampOld(consumerGroup, topic, timestamp, true);
                return;
            }
            throw e;
        }
    }
//
    public Map<MessageQueue, Long> resetOffsetByTimestamp(String topic, String group, long timestamp, boolean isForce,
        boolean isC)
        throws RemotingException, MQBrokerException, InterruptedException, MQClientException {
        TopicRouteData topicRouteData = this.examineTopicRouteInfo(topic);
        List<BrokerData> brokerDatas = topicRouteData.getBrokerDatas();
        Map<MessageQueue, Long> allOffsetTable = new HashMap<MessageQueue, Long>();
        if (brokerDatas != null) {
            for (BrokerData brokerData : brokerDatas) {
                String addr = brokerData.selectBrokerAddr();
                if (addr != null) {
                    Map<MessageQueue, Long> offsetTable =
                        this.mqClientInstance.getMQClientAPIImpl().invokeBrokerToResetOffset(addr, topic, group, timestamp, isForce,
                            timeoutMillis, isC);
                    if (offsetTable != null) {
                        allOffsetTable.putAll(offsetTable);
                    }
                }
            }
        }
        return allOffsetTable;
    }
//
    private RollbackStats resetOffsetConsumeOffset(String brokerAddr, String consumeGroup, MessageQueue queue,
        OffsetWrapper offsetWrapper,
        long timestamp, boolean force) throws RemotingException, InterruptedException, MQBrokerException {
        long resetOffset;
        if (timestamp == -1) {

            resetOffset = this.mqClientInstance.getMQClientAPIImpl().getMaxOffset(brokerAddr, queue.getTopic(), queue.getQueueId(), timeoutMillis);
        } else {
            resetOffset =
                this.mqClientInstance.getMQClientAPIImpl().searchOffset(brokerAddr, queue.getTopic(), queue.getQueueId(), timestamp,
                    timeoutMillis);
        }

        RollbackStats rollbackStats = new RollbackStats();
        rollbackStats.setBrokerName(queue.getBrokerName());
        rollbackStats.setQueueId(queue.getQueueId());
        rollbackStats.setBrokerOffset(offsetWrapper.getBrokerOffset());
        rollbackStats.setConsumerOffset(offsetWrapper.getConsumerOffset());
        rollbackStats.setTimestampOffset(resetOffset);
        rollbackStats.setRollbackOffset(offsetWrapper.getConsumerOffset());

        if (force || resetOffset <= offsetWrapper.getConsumerOffset()) {
            rollbackStats.setRollbackOffset(resetOffset);
            UpdateConsumerOffsetRequestHeader requestHeader = new UpdateConsumerOffsetRequestHeader();
            requestHeader.setConsumerGroup(consumeGroup);
            requestHeader.setTopic(queue.getTopic());
            requestHeader.setQueueId(queue.getQueueId());
            requestHeader.setCommitOffset(resetOffset);
            this.mqClientInstance.getMQClientAPIImpl().updateConsumerOffset(brokerAddr, requestHeader, timeoutMillis);
        }
        return rollbackStats;
    }

    @Override
    public Map<String, Map<MessageQueue, Long>> getConsumeStatus(String topic, String group,
        String clientAddr) throws RemotingException,
        MQBrokerException, InterruptedException, MQClientException {
        TopicRouteData topicRouteData = this.examineTopicRouteInfo(topic);
        List<BrokerData> brokerDatas = topicRouteData.getBrokerDatas();
        if (brokerDatas != null && brokerDatas.size() > 0) {
            String addr = brokerDatas.get(0).selectBrokerAddr();
            if (addr != null) {
                return this.mqClientInstance.getMQClientAPIImpl().invokeBrokerToGetConsumerStatus(addr, topic, group, clientAddr,
                    timeoutMillis);
            }
        }
        return Collections.EMPTY_MAP;
    }
//
    public void createOrUpdateOrderConf(String key, String value,
        boolean isCluster) throws RemotingException, MQBrokerException,
        InterruptedException, MQClientException {

        if (isCluster) {
            this.mqClientInstance.getMQClientAPIImpl()
                .putKVConfigValue(NamesrvUtil.NAMESPACE_ORDER_TOPIC_CONFIG, key, value, timeoutMillis);
        } else {
            String oldOrderConfs = null;
            try {
                oldOrderConfs =
                    this.mqClientInstance.getMQClientAPIImpl().getKVConfigValue(NamesrvUtil.NAMESPACE_ORDER_TOPIC_CONFIG, key,
                        timeoutMillis);
            } catch (Exception e) {
                e.printStackTrace();
            }

            Map<String, String> orderConfMap = new HashMap<String, String>();
            if (!UtilAll.isBlank(oldOrderConfs)) {
                String[] oldOrderConfArr = oldOrderConfs.split(";");
                for (String oldOrderConf : oldOrderConfArr) {
                    String[] items = oldOrderConf.split(":");
                    orderConfMap.put(items[0], oldOrderConf);
                }
            }
            String[] items = value.split(":");
            orderConfMap.put(items[0], value);

            StringBuilder newOrderConf = new StringBuilder();
            String splitor = "";
            for (Map.Entry<String, String> entry : orderConfMap.entrySet()) {
                newOrderConf.append(splitor).append(entry.getValue());
                splitor = ";";
            }
            this.mqClientInstance.getMQClientAPIImpl().putKVConfigValue(NamesrvUtil.NAMESPACE_ORDER_TOPIC_CONFIG, key,
                newOrderConf.toString(), timeoutMillis);
        }
    }
//
    @Override
    public GroupList queryTopicConsumeByWho(
        String topic) throws InterruptedException, MQBrokerException, RemotingException,
        MQClientException {
        TopicRouteData topicRouteData = this.examineTopicRouteInfo(topic);

        for (BrokerData bd : topicRouteData.getBrokerDatas()) {
            String addr = bd.selectBrokerAddr();
            if (addr != null) {
                return this.mqClientInstance.getMQClientAPIImpl().queryTopicConsumeByWho(addr, topic, timeoutMillis);
            }

            break;
        }

        return null;
    }

    @Override
    public List<QueueTimeSpan> queryConsumeTimeSpan(final String topic,
        final String group) throws InterruptedException, MQBrokerException,
        RemotingException, MQClientException {
        List<QueueTimeSpan> spanSet = new ArrayList<QueueTimeSpan>();
        TopicRouteData topicRouteData = this.examineTopicRouteInfo(topic);
        for (BrokerData bd : topicRouteData.getBrokerDatas()) {
            String addr = bd.selectBrokerAddr();
            if (addr != null) {
                spanSet.addAll(this.mqClientInstance.getMQClientAPIImpl().queryConsumeTimeSpan(addr, topic, group, timeoutMillis));
            }
        }
        return spanSet;
    }
//
    @Override
    public boolean cleanExpiredConsumerQueue(
        String cluster) throws RemotingConnectException, RemotingSendRequestException,
        RemotingTimeoutException, MQClientException, InterruptedException {
        boolean result = false;
        try {
            ClusterInfo clusterInfo = examineBrokerClusterInfo();
            if (null == cluster || "".equals(cluster)) {
                for (String targetCluster : clusterInfo.retrieveAllClusterNames()) {
                    result = cleanExpiredConsumerQueueByCluster(clusterInfo, targetCluster);
                }
            } else {
                result = cleanExpiredConsumerQueueByCluster(clusterInfo, cluster);
            }
        } catch (MQBrokerException e) {
            log.error("cleanExpiredConsumerQueue error.", e);
        }

        return result;
    }
//
    public boolean cleanExpiredConsumerQueueByCluster(ClusterInfo clusterInfo,
        String cluster) throws RemotingConnectException,
        RemotingSendRequestException, RemotingTimeoutException, MQClientException, InterruptedException {
        boolean result = false;
        String[] addrs = clusterInfo.retrieveAllAddrByCluster(cluster);
        for (String addr : addrs) {
            result = cleanExpiredConsumerQueueByAddr(addr);
        }
        return result;
    }
//
    @Override
    public boolean cleanExpiredConsumerQueueByAddr(
        String addr) throws RemotingConnectException, RemotingSendRequestException,
        RemotingTimeoutException, MQClientException, InterruptedException {
        boolean result = mqClientInstance.getMQClientAPIImpl().cleanExpiredConsumeQueue(addr, timeoutMillis);
        log.warn("clean expired ConsumeQueue on target " + addr + " broker " + result);
        return result;
    }

    @Override
    public boolean cleanUnusedTopic(String cluster) throws RemotingConnectException, RemotingSendRequestException,
        RemotingTimeoutException, MQClientException, InterruptedException {
        boolean result = false;
        try {
            ClusterInfo clusterInfo = examineBrokerClusterInfo();
            if (null == cluster || "".equals(cluster)) {
                for (String targetCluster : clusterInfo.retrieveAllClusterNames()) {
                    result = cleanUnusedTopicByCluster(clusterInfo, targetCluster);
                }
            } else {
                result = cleanUnusedTopicByCluster(clusterInfo, cluster);
            }
        } catch (MQBrokerException e) {
            log.error("cleanExpiredConsumerQueue error.", e);
        }

        return result;
    }
//
    public boolean cleanUnusedTopicByCluster(ClusterInfo clusterInfo, String cluster) throws RemotingConnectException,
        RemotingSendRequestException, RemotingTimeoutException, MQClientException, InterruptedException {
        boolean result = false;
        String[] addrs = clusterInfo.retrieveAllAddrByCluster(cluster);
        for (String addr : addrs) {
            result = cleanUnusedTopicByAddr(addr);
        }
        return result;
    }
//
    @Override
    public boolean cleanUnusedTopicByAddr(String addr) throws RemotingConnectException, RemotingSendRequestException,
        RemotingTimeoutException, MQClientException, InterruptedException {
        boolean result = mqClientInstance.getMQClientAPIImpl().cleanUnusedTopicByAddr(addr, timeoutMillis);
        log.warn("clean expired ConsumeQueue on target " + addr + " broker " + result);
        return result;
    }
//
    @Override
    public ConsumerRunningInfo getConsumerRunningInfo(String consumerGroup, String clientId,
        boolean jstack) throws RemotingException,
        MQClientException, InterruptedException {
        String topic = MixAll.RETRY_GROUP_TOPIC_PREFIX + consumerGroup;
        TopicRouteData topicRouteData = this.examineTopicRouteInfo(topic);
        List<BrokerData> brokerDatas = topicRouteData.getBrokerDatas();
        if (brokerDatas != null) {
            for (BrokerData brokerData : brokerDatas) {
                String addr = brokerData.selectBrokerAddr();
                if (addr != null) {
                    return this.mqClientInstance.getMQClientAPIImpl().getConsumerRunningInfo(addr, consumerGroup, clientId, jstack,
                        timeoutMillis * 3);
                }
            }
        }
        return null;
    }
//
    @Override
    public ConsumeMessageDirectlyResult consumeMessageDirectly(String consumerGroup, String clientId, String msgId)
        throws RemotingException, MQClientException, InterruptedException, MQBrokerException {
        MessageExt msg = this.viewMessage(msgId);

        return this.mqClientInstance.getMQClientAPIImpl().consumeMessageDirectly(RemotingUtil.socketAddress2String(msg.getStoreHost()),
            consumerGroup, clientId, msgId, timeoutMillis * 3);
    }
//
    @Override
    public ConsumeMessageDirectlyResult consumeMessageDirectly(final String consumerGroup, final String clientId,
        final String topic,
        final String msgId) throws RemotingException, MQClientException, InterruptedException, MQBrokerException {
        MessageExt msg = this.viewMessage(topic, msgId);
        if (msg.getProperty(MessageConst.PROPERTY_UNIQ_CLIENT_MESSAGE_ID_KEYIDX) == null) {
            return this.mqClientInstance.getMQClientAPIImpl().consumeMessageDirectly(RemotingUtil.socketAddress2String(msg.getStoreHost()),
                consumerGroup, clientId, msgId, timeoutMillis * 3);
        } else {
            MessageClientExt msgClient = (MessageClientExt) msg;
            return this.mqClientInstance.getMQClientAPIImpl().consumeMessageDirectly(RemotingUtil.socketAddress2String(msg.getStoreHost()),
                consumerGroup, clientId, msgClient.getOffsetMsgId(), timeoutMillis * 3);
        }
    }

    @Override
    public List<MessageTrack> messageTrackDetail(
        MessageExt msg) throws RemotingException, MQClientException, InterruptedException,
        MQBrokerException {
        List<MessageTrack> result = new ArrayList<MessageTrack>();

        GroupList groupList = this.queryTopicConsumeByWho(msg.getTopic());

        for (String group : groupList.getGroupList()) {

            MessageTrack mt = new MessageTrack();
            mt.setConsumerGroup(group);
            mt.setTrackType(TrackType.UNKNOWN);
            ConsumerConnection cc = null;
            try {
                cc = this.examineConsumerConnectionInfo(group);
            } catch (MQBrokerException e) {
                if (ResponseCode.CONSUMER_NOT_ONLINE == e.getResponseCode()) {
                    mt.setTrackType(TrackType.NOT_ONLINE);
                }
                mt.setExceptionDesc("CODE:" + e.getResponseCode() + " DESC:" + e.getErrorMessage());
                result.add(mt);
                continue;
            } catch (Exception e) {
                mt.setExceptionDesc(RemotingHelper.exceptionSimpleDesc(e));
                result.add(mt);
                continue;
            }

            switch (cc.getConsumeType()) {
                case CONSUME_ACTIVELY:
                    mt.setTrackType(TrackType.PULL);
                    break;
                case CONSUME_PASSIVELY:
                    boolean ifConsumed = false;
                    try {
                        ifConsumed = this.consumed(msg, group);
                    } catch (MQClientException e) {
                        if (ResponseCode.CONSUMER_NOT_ONLINE == e.getResponseCode()) {
                            mt.setTrackType(TrackType.NOT_ONLINE);
                        }
                        mt.setExceptionDesc("CODE:" + e.getResponseCode() + " DESC:" + e.getErrorMessage());
                        result.add(mt);
                        continue;
                    } catch (MQBrokerException e) {
                        if (ResponseCode.CONSUMER_NOT_ONLINE == e.getResponseCode()) {
                            mt.setTrackType(TrackType.NOT_ONLINE);
                        }
                        mt.setExceptionDesc("CODE:" + e.getResponseCode() + " DESC:" + e.getErrorMessage());
                        result.add(mt);
                        continue;
                    } catch (Exception e) {
                        mt.setExceptionDesc(RemotingHelper.exceptionSimpleDesc(e));
                        result.add(mt);
                        continue;
                    }

                    if (ifConsumed) {
                        mt.setTrackType(TrackType.CONSUMED);
                        Iterator<Entry<String, SubscriptionData>> it = cc.getSubscriptionTable().entrySet().iterator();
                        while (it.hasNext()) {
                            Entry<String, SubscriptionData> next = it.next();
                            if (next.getKey().equals(msg.getTopic())) {
                                if (next.getValue().getTagsSet().contains(msg.getTags())
                                    || next.getValue().getTagsSet().contains("*")
                                    || next.getValue().getTagsSet().isEmpty()) {
                                } else {
                                    mt.setTrackType(TrackType.CONSUMED_BUT_FILTERED);
                                }
                            }
                        }
                    } else {
                        mt.setTrackType(TrackType.NOT_CONSUME_YET);
                    }
                    break;
                default:
                    break;
            }
            result.add(mt);
        }

        return result;
    }
//
    public boolean consumed(final MessageExt msg,
        final String group) throws RemotingException, MQClientException, InterruptedException,
        MQBrokerException {

        ConsumeStats cstats = this.examineConsumeStats(group);

        ClusterInfo ci = this.examineBrokerClusterInfo();

        Iterator<Entry<MessageQueue, OffsetWrapper>> it = cstats.getOffsetTable().entrySet().iterator();
        while (it.hasNext()) {
            Entry<MessageQueue, OffsetWrapper> next = it.next();
            MessageQueue mq = next.getKey();
            if (mq.getTopic().equals(msg.getTopic()) && mq.getQueueId() == msg.getQueueId()) {
                BrokerData brokerData = ci.getBrokerAddrTable().get(mq.getBrokerName());
                if (brokerData != null) {
                    String addr = brokerData.getBrokerAddrs().get(MixAll.MASTER_ID);
                    if (addr.equals(RemotingUtil.socketAddress2String(msg.getStoreHost()))) {
                        if (next.getValue().getConsumerOffset() > msg.getQueueOffset()) {
                            return true;
                        }
                    }
                }
            }
        }

        return false;
    }

    @Override
    public void cloneGroupOffset(String srcGroup, String destGroup, String topic,
        boolean isOffline) throws RemotingException,
        MQClientException, InterruptedException, MQBrokerException {
        String retryTopic = MixAll.getRetryTopic(srcGroup);
        TopicRouteData topicRouteData = this.examineTopicRouteInfo(retryTopic);

        for (BrokerData bd : topicRouteData.getBrokerDatas()) {
            String addr = bd.selectBrokerAddr();
            if (addr != null) {
                this.mqClientInstance.getMQClientAPIImpl().cloneGroupOffset(addr, srcGroup, destGroup, topic, isOffline, timeoutMillis * 3);
            }
        }
    }
//
    @Override
    public BrokerStatsData viewBrokerStatsData(String brokerAddr, String statsName,
        String statsKey) throws RemotingConnectException,
        RemotingSendRequestException, RemotingTimeoutException, MQClientException, InterruptedException {
        return this.mqClientInstance.getMQClientAPIImpl().viewBrokerStatsData(brokerAddr, statsName, statsKey, timeoutMillis);
    }

    @Override
    public Set<String> getClusterList(String topic) throws RemotingConnectException, RemotingSendRequestException,
        RemotingTimeoutException, MQClientException, InterruptedException {
        return this.mqClientInstance.getMQClientAPIImpl().getClusterList(topic, timeoutMillis);
    }
//
    @Override
    public ConsumeStatsList fetchConsumeStatsInBroker(final String brokerAddr, boolean isOrder, long timeoutMillis)
        throws RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException, MQClientException,
        InterruptedException {
        return this.mqClientInstance.getMQClientAPIImpl().fetchConsumeStatsInBroker(brokerAddr, isOrder, timeoutMillis);
    }
//
    @Override
    public Set<String> getTopicClusterList(
        final String topic) throws InterruptedException, MQBrokerException, MQClientException,
        RemotingException {
        Set<String> clusterSet = new HashSet<String>();
        ClusterInfo clusterInfo = examineBrokerClusterInfo();
        TopicRouteData topicRouteData = examineTopicRouteInfo(topic);
        BrokerData brokerData = topicRouteData.getBrokerDatas().get(0);
        String brokerName = brokerData.getBrokerName();
        Iterator<Map.Entry<String, Set<String>>> it = clusterInfo.getClusterAddrTable().entrySet().iterator();
        while (it.hasNext()) {
            Map.Entry<String, Set<String>> next = it.next();
            if (next.getValue().contains(brokerName)) {
                clusterSet.add(next.getKey());
            }
        }
        return clusterSet;
    }

    @Override
    public SubscriptionGroupWrapper getAllSubscriptionGroup(final String brokerAddr,
        long timeoutMillis) throws InterruptedException,
        RemotingTimeoutException, RemotingSendRequestException, RemotingConnectException, MQBrokerException {
        return this.mqClientInstance.getMQClientAPIImpl().getAllSubscriptionGroup(brokerAddr, timeoutMillis);
    }

    @Override
    public TopicConfigSerializeWrapper getAllTopicGroup(final String brokerAddr,
        long timeoutMillis) throws InterruptedException,
        RemotingTimeoutException, RemotingSendRequestException, RemotingConnectException, MQBrokerException {
        return this.mqClientInstance.getMQClientAPIImpl().getAllTopicConfig(brokerAddr, timeoutMillis);
    }

    @Override
    public void createTopic(String key, String newTopic, int queueNum) throws MQClientException {
        createTopic(key, newTopic, queueNum, 0);
    }
//
    @Override
    public void createTopic(String key, String newTopic, int queueNum, int topicSysFlag) throws MQClientException {
        this.mqClientInstance.getMQAdminImpl().createTopic(key, newTopic, queueNum, topicSysFlag);
    }
//
    @Override
    public long searchOffset(MessageQueue mq, long timestamp) throws MQClientException {
        return this.mqClientInstance.getMQAdminImpl().searchOffset(mq, timestamp);
    }
//
    @Override
    public long maxOffset(MessageQueue mq) throws MQClientException {
        return this.mqClientInstance.getMQAdminImpl().maxOffset(mq);
    }

    @Override
    public long minOffset(MessageQueue mq) throws MQClientException {
        return this.mqClientInstance.getMQAdminImpl().minOffset(mq);
    }

    @Override
    public long earliestMsgStoreTime(MessageQueue mq) throws MQClientException {
        return this.mqClientInstance.getMQAdminImpl().earliestMsgStoreTime(mq);
    }
//
    @Override
    public MessageExt viewMessage(
        String msgId) throws RemotingException, MQBrokerException, InterruptedException, MQClientException {
        return this.mqClientInstance.getMQAdminImpl().viewMessage(msgId);
    }
//
    @Override
    public QueryResult queryMessage(String topic, String key, int maxNum, long begin,
        long end) throws MQClientException,
        InterruptedException {
        return this.mqClientInstance.getMQAdminImpl().queryMessage(topic, key, maxNum, begin, end);
    }
//
    @Override
    public void updateConsumeOffset(String brokerAddr, String consumeGroup, MessageQueue mq,
        long offset) throws RemotingException, InterruptedException, MQBrokerException {
        UpdateConsumerOffsetRequestHeader requestHeader = new UpdateConsumerOffsetRequestHeader();
        requestHeader.setConsumerGroup(consumeGroup);
        requestHeader.setTopic(mq.getTopic());
        requestHeader.setQueueId(mq.getQueueId());
        requestHeader.setCommitOffset(offset);
        this.mqClientInstance.getMQClientAPIImpl().updateConsumerOffset(brokerAddr, requestHeader, timeoutMillis);
    }
//
    @Override
    public void updateNameServerConfig(final Properties properties, final List<String> nameServers)
        throws InterruptedException, RemotingConnectException,
        UnsupportedEncodingException, RemotingSendRequestException, RemotingTimeoutException,
        MQClientException, MQBrokerException {
        this.mqClientInstance.getMQClientAPIImpl().updateNameServerConfig(properties, nameServers, timeoutMillis);
    }
//
    @Override
    public Map<String, Properties> getNameServerConfig(final List<String> nameServers)
        throws InterruptedException, RemotingTimeoutException,
        RemotingSendRequestException, RemotingConnectException, MQClientException,
        UnsupportedEncodingException {
        return this.mqClientInstance.getMQClientAPIImpl().getNameServerConfig(nameServers, timeoutMillis);
    }
//
    @Override
    public QueryConsumeQueueResponseBody queryConsumeQueue(String brokerAddr, String topic, int queueId, long index,
        int count, String consumerGroup)
        throws InterruptedException, RemotingTimeoutException, RemotingSendRequestException, RemotingConnectException, MQClientException {
        return this.mqClientInstance.getMQClientAPIImpl().queryConsumeQueue(
            brokerAddr, topic, queueId, index, count, consumerGroup, timeoutMillis
        );
    }
}