/*
 * 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.client.impl;

import com.alibaba.fastjson.JSON;
import java.io.UnsupportedEncodingException;
import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import java.util.concurrent.atomic.AtomicInteger;

import org.apache.commons.lang3.StringUtils;
import org.apache.rocketmq.client.ClientConfig;
import org.apache.rocketmq.client.consumer.PullCallback;
import org.apache.rocketmq.client.consumer.PullResult;
import org.apache.rocketmq.client.consumer.PullStatus;
import org.apache.rocketmq.client.exception.MQBrokerException;
import org.apache.rocketmq.client.exception.MQClientException;
import org.apache.rocketmq.client.hook.SendMessageContext;
import org.apache.rocketmq.client.impl.consumer.PullResultExt;
import org.apache.rocketmq.client.impl.factory.MQClientInstance;
import org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl;
import org.apache.rocketmq.client.impl.producer.TopicPublishInfo;
import org.apache.rocketmq.client.log.ClientLogger;
import org.apache.rocketmq.client.producer.SendCallback;
import org.apache.rocketmq.client.producer.SendResult;
import org.apache.rocketmq.client.producer.SendStatus;
import org.apache.rocketmq.common.AclConfig;
import org.apache.rocketmq.common.DataVersion;
import org.apache.rocketmq.common.MQVersion;
import org.apache.rocketmq.common.MixAll;
import org.apache.rocketmq.common.PlainAccessConfig;
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.TopicStatsTable;
import org.apache.rocketmq.common.message.Message;
import org.apache.rocketmq.common.message.MessageBatch;
import org.apache.rocketmq.common.message.MessageClientIDSetter;
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.TopAddressing;
import org.apache.rocketmq.common.protocol.NamespaceUtil;
import org.apache.rocketmq.common.protocol.RequestCode;
import org.apache.rocketmq.common.protocol.ResponseCode;
import org.apache.rocketmq.common.protocol.body.BrokerStatsData;
import org.apache.rocketmq.common.protocol.body.CheckClientRequestBody;
import org.apache.rocketmq.common.protocol.body.ClusterAclVersionInfo;
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.GetConsumerStatusBody;
import org.apache.rocketmq.common.protocol.body.GroupList;
import org.apache.rocketmq.common.protocol.body.KVTable;
import org.apache.rocketmq.common.protocol.body.LockBatchRequestBody;
import org.apache.rocketmq.common.protocol.body.LockBatchResponseBody;
import org.apache.rocketmq.common.protocol.body.ProducerConnection;
import org.apache.rocketmq.common.protocol.body.ProducerTableInfo;
import org.apache.rocketmq.common.protocol.body.QueryConsumeQueueResponseBody;
import org.apache.rocketmq.common.protocol.body.QueryConsumeTimeSpanBody;
import org.apache.rocketmq.common.protocol.body.QueryCorrectionOffsetBody;
import org.apache.rocketmq.common.protocol.body.QueueTimeSpan;
import org.apache.rocketmq.common.protocol.body.ResetOffsetBody;
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.body.UnlockBatchRequestBody;
import org.apache.rocketmq.common.protocol.header.CloneGroupOffsetRequestHeader;
import org.apache.rocketmq.common.protocol.header.ConsumeMessageDirectlyResultRequestHeader;
import org.apache.rocketmq.common.protocol.header.ConsumerSendMsgBackRequestHeader;
import org.apache.rocketmq.common.protocol.header.CreateAccessConfigRequestHeader;
import org.apache.rocketmq.common.protocol.header.CreateTopicRequestHeader;
import org.apache.rocketmq.common.protocol.header.DeleteAccessConfigRequestHeader;
import org.apache.rocketmq.common.protocol.header.DeleteSubscriptionGroupRequestHeader;
import org.apache.rocketmq.common.protocol.header.DeleteTopicRequestHeader;
import org.apache.rocketmq.common.protocol.header.EndTransactionRequestHeader;
import org.apache.rocketmq.common.protocol.header.GetAllProducerInfoRequestHeader;
import org.apache.rocketmq.common.protocol.header.GetBrokerAclConfigResponseHeader;
import org.apache.rocketmq.common.protocol.header.GetBrokerClusterAclConfigResponseBody;
import org.apache.rocketmq.common.protocol.header.GetConsumeStatsInBrokerHeader;
import org.apache.rocketmq.common.protocol.header.GetConsumeStatsRequestHeader;
import org.apache.rocketmq.common.protocol.header.GetConsumerConnectionListRequestHeader;
import org.apache.rocketmq.common.protocol.header.GetConsumerListByGroupRequestHeader;
import org.apache.rocketmq.common.protocol.header.GetConsumerListByGroupResponseBody;
import org.apache.rocketmq.common.protocol.header.GetConsumerRunningInfoRequestHeader;
import org.apache.rocketmq.common.protocol.header.GetConsumerStatusRequestHeader;
import org.apache.rocketmq.common.protocol.header.GetEarliestMsgStoretimeRequestHeader;
import org.apache.rocketmq.common.protocol.header.GetEarliestMsgStoretimeResponseHeader;
import org.apache.rocketmq.common.protocol.header.GetMaxOffsetRequestHeader;
import org.apache.rocketmq.common.protocol.header.GetMaxOffsetResponseHeader;
import org.apache.rocketmq.common.protocol.header.GetMinOffsetRequestHeader;
import org.apache.rocketmq.common.protocol.header.GetMinOffsetResponseHeader;
import org.apache.rocketmq.common.protocol.header.GetProducerConnectionListRequestHeader;
import org.apache.rocketmq.common.protocol.header.GetTopicStatsInfoRequestHeader;
import org.apache.rocketmq.common.protocol.header.GetTopicsByClusterRequestHeader;
import org.apache.rocketmq.common.protocol.header.PullMessageRequestHeader;
import org.apache.rocketmq.common.protocol.header.PullMessageResponseHeader;
import org.apache.rocketmq.common.protocol.header.QueryConsumeQueueRequestHeader;
import org.apache.rocketmq.common.protocol.header.QueryConsumeTimeSpanRequestHeader;
import org.apache.rocketmq.common.protocol.header.QueryConsumerOffsetRequestHeader;
import org.apache.rocketmq.common.protocol.header.QueryConsumerOffsetResponseHeader;
import org.apache.rocketmq.common.protocol.header.QueryCorrectionOffsetHeader;
import org.apache.rocketmq.common.protocol.header.QueryMessageRequestHeader;
import org.apache.rocketmq.common.protocol.header.QueryTopicConsumeByWhoRequestHeader;
import org.apache.rocketmq.common.protocol.header.ResetOffsetRequestHeader;
import org.apache.rocketmq.common.protocol.header.ResumeCheckHalfMessageRequestHeader;
import org.apache.rocketmq.common.protocol.header.SearchOffsetRequestHeader;
import org.apache.rocketmq.common.protocol.header.SearchOffsetResponseHeader;
import org.apache.rocketmq.common.protocol.header.SendMessageRequestHeader;
import org.apache.rocketmq.common.protocol.header.SendMessageRequestHeaderV2;
import org.apache.rocketmq.common.protocol.header.SendMessageResponseHeader;
import org.apache.rocketmq.common.protocol.header.UnregisterClientRequestHeader;
import org.apache.rocketmq.common.protocol.header.UpdateConsumerOffsetRequestHeader;
import org.apache.rocketmq.common.protocol.header.UpdateGlobalWhiteAddrsConfigRequestHeader;
import org.apache.rocketmq.common.protocol.header.ViewBrokerStatsDataRequestHeader;
import org.apache.rocketmq.common.protocol.header.ViewMessageRequestHeader;
import org.apache.rocketmq.common.protocol.header.filtersrv.RegisterMessageFilterClassRequestHeader;
import org.apache.rocketmq.common.protocol.header.namesrv.AddWritePermOfBrokerRequestHeader;
import org.apache.rocketmq.common.protocol.header.namesrv.AddWritePermOfBrokerResponseHeader;
import org.apache.rocketmq.common.protocol.header.namesrv.DeleteKVConfigRequestHeader;
import org.apache.rocketmq.common.protocol.header.namesrv.DeleteTopicFromNamesrvRequestHeader;
import org.apache.rocketmq.common.protocol.header.namesrv.GetKVConfigRequestHeader;
import org.apache.rocketmq.common.protocol.header.namesrv.GetKVConfigResponseHeader;
import org.apache.rocketmq.common.protocol.header.namesrv.GetKVListByNamespaceRequestHeader;
import org.apache.rocketmq.common.protocol.header.namesrv.GetRouteInfoRequestHeader;
import org.apache.rocketmq.common.protocol.header.namesrv.PutKVConfigRequestHeader;
import org.apache.rocketmq.common.protocol.header.namesrv.WipeWritePermOfBrokerRequestHeader;
import org.apache.rocketmq.common.protocol.header.namesrv.WipeWritePermOfBrokerResponseHeader;
import org.apache.rocketmq.common.protocol.heartbeat.HeartbeatData;
import org.apache.rocketmq.common.protocol.heartbeat.SubscriptionData;
import org.apache.rocketmq.common.protocol.route.TopicRouteData;
import org.apache.rocketmq.common.rpchook.StreamTypeRPCHook;
import org.apache.rocketmq.common.subscription.SubscriptionGroupConfig;
import org.apache.rocketmq.logging.InternalLogger;
import org.apache.rocketmq.remoting.InvokeCallback;
import org.apache.rocketmq.remoting.RPCHook;
import org.apache.rocketmq.remoting.RemotingClient;
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.remoting.exception.RemotingTooMuchRequestException;
import org.apache.rocketmq.remoting.netty.NettyClientConfig;
import org.apache.rocketmq.remoting.netty.NettyRemotingClient;
import org.apache.rocketmq.remoting.netty.ResponseFuture;
import org.apache.rocketmq.remoting.protocol.LanguageCode;
import org.apache.rocketmq.remoting.protocol.RemotingCommand;
import org.apache.rocketmq.remoting.protocol.RemotingSerializable;

public class MQClientAPIImpl {

    private final static InternalLogger log = ClientLogger.getLog();
    private static boolean sendSmartMsg =
        Boolean.parseBoolean(System.getProperty("org.apache.rocketmq.client.sendSmartMsg", "true"));

    static {
        System.setProperty(RemotingCommand.REMOTING_VERSION_KEY, Integer.toString(MQVersion.CURRENT_VERSION));
    }

    private final RemotingClient remotingClient;
    private final TopAddressing topAddressing;
    private final ClientRemotingProcessor clientRemotingProcessor;
    private String nameSrvAddr = null;
    private ClientConfig clientConfig;

    public MQClientAPIImpl(final NettyClientConfig nettyClientConfig,
        final ClientRemotingProcessor clientRemotingProcessor,
        RPCHook rpcHook, final ClientConfig clientConfig) {
        this.clientConfig = clientConfig;
        topAddressing = new TopAddressing(MixAll.getWSAddr(), clientConfig.getUnitName());
        this.remotingClient = new NettyRemotingClient(nettyClientConfig, null);
        this.clientRemotingProcessor = clientRemotingProcessor;

        // Inject stream rpc hook first to make reserve field signature
        if (clientConfig.isEnableStreamRequestType()) {
            this.remotingClient.registerRPCHook(new StreamTypeRPCHook());
        }
        this.remotingClient.registerRPCHook(rpcHook);
        this.remotingClient.registerProcessor(RequestCode.CHECK_TRANSACTION_STATE, this.clientRemotingProcessor, null);

        this.remotingClient.registerProcessor(RequestCode.NOTIFY_CONSUMER_IDS_CHANGED, this.clientRemotingProcessor, null);

        this.remotingClient.registerProcessor(RequestCode.RESET_CONSUMER_CLIENT_OFFSET, this.clientRemotingProcessor, null);

        this.remotingClient.registerProcessor(RequestCode.GET_CONSUMER_STATUS_FROM_CLIENT, this.clientRemotingProcessor, null);

        this.remotingClient.registerProcessor(RequestCode.GET_CONSUMER_RUNNING_INFO, this.clientRemotingProcessor, null);

        this.remotingClient.registerProcessor(RequestCode.CONSUME_MESSAGE_DIRECTLY, this.clientRemotingProcessor, null);

        this.remotingClient.registerProcessor(RequestCode.PUSH_REPLY_MESSAGE_TO_CLIENT, this.clientRemotingProcessor, null);
    }

    public List<String> getNameServerAddressList() {
        return this.remotingClient.getNameServerAddressList();
    }

    public RemotingClient getRemotingClient() {
        return remotingClient;
    }

    public String fetchNameServerAddr() {
        try {
            String addrs = this.topAddressing.fetchNSAddr();
            if (addrs != null && !UtilAll.isBlank(addrs)) {
                if (!addrs.equals(this.nameSrvAddr)) {
                    log.info("name server address changed, old=" + this.nameSrvAddr + ", new=" + addrs);
                    this.updateNameServerAddressList(addrs);
                    this.nameSrvAddr = addrs;
                    return nameSrvAddr;
                }
            }
        } catch (Exception e) {
            log.error("fetchNameServerAddr Exception", e);
        }
        return nameSrvAddr;
    }

    public void updateNameServerAddressList(final String addrs) {
        String[] addrArray = addrs.split(";");
        List<String> list = Arrays.asList(addrArray);
        this.remotingClient.updateNameServerAddressList(list);
    }

    public void start() {
        this.remotingClient.start();
    }

    public void shutdown() {
        this.remotingClient.shutdown();
    }

    public void createSubscriptionGroup(final String addr, final SubscriptionGroupConfig config,
        final long timeoutMillis) throws RemotingException, InterruptedException, MQClientException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.UPDATE_AND_CREATE_SUBSCRIPTIONGROUP, null);

        byte[] body = RemotingSerializable.encode(config);
        request.setBody(body);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return;
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());

    }

    public void createTopic(final String addr, final String defaultTopic, final TopicConfig topicConfig,
        final long timeoutMillis)
        throws RemotingException, MQBrokerException, InterruptedException, MQClientException {
        CreateTopicRequestHeader requestHeader = new CreateTopicRequestHeader();
        requestHeader.setTopic(topicConfig.getTopicName());
        requestHeader.setDefaultTopic(defaultTopic);
        requestHeader.setReadQueueNums(topicConfig.getReadQueueNums());
        requestHeader.setWriteQueueNums(topicConfig.getWriteQueueNums());
        requestHeader.setPerm(topicConfig.getPerm());
        requestHeader.setTopicFilterType(topicConfig.getTopicFilterType().name());
        requestHeader.setTopicSysFlag(topicConfig.getTopicSysFlag());
        requestHeader.setOrder(topicConfig.isOrder());

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.UPDATE_AND_CREATE_TOPIC, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return;
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public void createPlainAccessConfig(final String addr, final PlainAccessConfig plainAccessConfig,
        final long timeoutMillis)
        throws RemotingException, InterruptedException, MQClientException {
        CreateAccessConfigRequestHeader requestHeader = new CreateAccessConfigRequestHeader();
        requestHeader.setAccessKey(plainAccessConfig.getAccessKey());
        requestHeader.setSecretKey(plainAccessConfig.getSecretKey());
        requestHeader.setAdmin(plainAccessConfig.isAdmin());
        requestHeader.setDefaultGroupPerm(plainAccessConfig.getDefaultGroupPerm());
        requestHeader.setDefaultTopicPerm(plainAccessConfig.getDefaultTopicPerm());
        requestHeader.setWhiteRemoteAddress(plainAccessConfig.getWhiteRemoteAddress());
        requestHeader.setTopicPerms(UtilAll.join(plainAccessConfig.getTopicPerms(), ","));
        requestHeader.setGroupPerms(UtilAll.join(plainAccessConfig.getGroupPerms(), ","));

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.UPDATE_AND_CREATE_ACL_CONFIG, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return;
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public void deleteAccessConfig(final String addr, final String accessKey, final long timeoutMillis)
        throws RemotingException, InterruptedException, MQClientException {
        DeleteAccessConfigRequestHeader requestHeader = new DeleteAccessConfigRequestHeader();
        requestHeader.setAccessKey(accessKey);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.DELETE_ACL_CONFIG, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return;
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public void updateGlobalWhiteAddrsConfig(final String addr, final String globalWhiteAddrs, String aclFileFullPath, final long timeoutMillis)
        throws RemotingException, MQBrokerException, InterruptedException, MQClientException {
        UpdateGlobalWhiteAddrsConfigRequestHeader requestHeader = new UpdateGlobalWhiteAddrsConfigRequestHeader();
        requestHeader.setGlobalWhiteAddrs(globalWhiteAddrs);
        requestHeader.setAclFileFullPath(aclFileFullPath);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.UPDATE_GLOBAL_WHITE_ADDRS_CONFIG, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return;
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public ClusterAclVersionInfo getBrokerClusterAclInfo(final String addr,
        final long timeoutMillis) throws RemotingCommandException, InterruptedException, RemotingTimeoutException,
        RemotingSendRequestException, RemotingConnectException, MQBrokerException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_BROKER_CLUSTER_ACL_INFO, null);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr), request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                GetBrokerAclConfigResponseHeader responseHeader =
                    (GetBrokerAclConfigResponseHeader) response.decodeCommandCustomHeader(GetBrokerAclConfigResponseHeader.class);

                ClusterAclVersionInfo clusterAclVersionInfo = new ClusterAclVersionInfo();
                clusterAclVersionInfo.setClusterName(responseHeader.getClusterName());
                clusterAclVersionInfo.setBrokerName(responseHeader.getBrokerName());
                clusterAclVersionInfo.setBrokerAddr(responseHeader.getBrokerAddr());
                clusterAclVersionInfo.setAclConfigDataVersion(DataVersion.fromJson(responseHeader.getVersion(), DataVersion.class));
                HashMap<String, Object> dataVersionMap = JSON.parseObject(responseHeader.getAllAclFileVersion(), HashMap.class);
                Map<String, DataVersion> allAclConfigDataVersion = new HashMap<String, DataVersion>(dataVersionMap.size(), 1);
                for (Map.Entry<String, Object> entry : dataVersionMap.entrySet()) {
                    allAclConfigDataVersion.put(entry.getKey(),DataVersion.fromJson(JSON.toJSONString(entry.getValue()), DataVersion.class));
                }
                clusterAclVersionInfo.setAllAclConfigDataVersion(allAclConfigDataVersion);
                return clusterAclVersionInfo;
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);

    }

    public AclConfig getBrokerClusterConfig(final String addr,
        final long timeoutMillis) throws InterruptedException, RemotingTimeoutException,
        RemotingSendRequestException, RemotingConnectException, MQBrokerException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_BROKER_CLUSTER_ACL_CONFIG, null);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr), request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                if (response.getBody() != null) {
                    GetBrokerClusterAclConfigResponseBody body =
                        GetBrokerClusterAclConfigResponseBody.decode(response.getBody(), GetBrokerClusterAclConfigResponseBody.class);
                    AclConfig aclConfig = new AclConfig();
                    aclConfig.setGlobalWhiteAddrs(body.getGlobalWhiteAddrs());
                    aclConfig.setPlainAccessConfigs(body.getPlainAccessConfigs());
                    return aclConfig;
                }
            }
            default:
                break;
        }
        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);

    }

    public SendResult sendMessage(
        final String addr,
        final String brokerName,
        final Message msg,
        final SendMessageRequestHeader requestHeader,
        final long timeoutMillis,
        final CommunicationMode communicationMode,
        final SendMessageContext context,
        final DefaultMQProducerImpl producer
    ) throws RemotingException, MQBrokerException, InterruptedException {
        return sendMessage(addr, brokerName, msg, requestHeader, timeoutMillis, communicationMode, null, null, null, 0, context, producer);
    }

    public SendResult sendMessage(
        final String addr,
        final String brokerName,
        final Message msg,
        final SendMessageRequestHeader requestHeader,
        final long timeoutMillis,
        final CommunicationMode communicationMode,
        final SendCallback sendCallback,
        final TopicPublishInfo topicPublishInfo,
        final MQClientInstance instance,
        final int retryTimesWhenSendFailed,
        final SendMessageContext context,
        final DefaultMQProducerImpl producer
    ) throws RemotingException, MQBrokerException, InterruptedException {
        long beginStartTime = System.currentTimeMillis();
        RemotingCommand request = null;
        String msgType = msg.getProperty(MessageConst.PROPERTY_MESSAGE_TYPE);
        boolean isReply = msgType != null && msgType.equals(MixAll.REPLY_MESSAGE_FLAG);
        if (isReply) {
            if (sendSmartMsg) {
                SendMessageRequestHeaderV2 requestHeaderV2 = SendMessageRequestHeaderV2.createSendMessageRequestHeaderV2(requestHeader);
                request = RemotingCommand.createRequestCommand(RequestCode.SEND_REPLY_MESSAGE_V2, requestHeaderV2);
            } else {
                request = RemotingCommand.createRequestCommand(RequestCode.SEND_REPLY_MESSAGE, requestHeader);
            }
        } else {
            if (sendSmartMsg || msg instanceof MessageBatch) {
                SendMessageRequestHeaderV2 requestHeaderV2 = SendMessageRequestHeaderV2.createSendMessageRequestHeaderV2(requestHeader);
                request = RemotingCommand.createRequestCommand(msg instanceof MessageBatch ? RequestCode.SEND_BATCH_MESSAGE : RequestCode.SEND_MESSAGE_V2, requestHeaderV2);
            } else {
                request = RemotingCommand.createRequestCommand(RequestCode.SEND_MESSAGE, requestHeader);
            }
        }
        request.setBody(msg.getBody());

        switch (communicationMode) {
            case ONEWAY:
                this.remotingClient.invokeOneway(addr, request, timeoutMillis);
                return null;
            case ASYNC:
                final AtomicInteger times = new AtomicInteger();
                long costTimeAsync = System.currentTimeMillis() - beginStartTime;
                if (timeoutMillis < costTimeAsync) {
                    throw new RemotingTooMuchRequestException("sendMessage call timeout");
                }
                this.sendMessageAsync(addr, brokerName, msg, timeoutMillis - costTimeAsync, request, sendCallback, topicPublishInfo, instance,
                    retryTimesWhenSendFailed, times, context, producer);
                return null;
            case SYNC:
                long costTimeSync = System.currentTimeMillis() - beginStartTime;
                if (timeoutMillis < costTimeSync) {
                    throw new RemotingTooMuchRequestException("sendMessage call timeout");
                }
                return this.sendMessageSync(addr, brokerName, msg, timeoutMillis - costTimeSync, request);
            default:
                assert false;
                break;
        }

        return null;
    }

    private SendResult sendMessageSync(
        final String addr,
        final String brokerName,
        final Message msg,
        final long timeoutMillis,
        final RemotingCommand request
    ) throws RemotingException, MQBrokerException, InterruptedException {
        RemotingCommand response = this.remotingClient.invokeSync(addr, request, timeoutMillis);
        assert response != null;
        return this.processSendResponse(brokerName, msg, response, addr);
    }

    private void sendMessageAsync(
        final String addr,
        final String brokerName,
        final Message msg,
        final long timeoutMillis,
        final RemotingCommand request,
        final SendCallback sendCallback,
        final TopicPublishInfo topicPublishInfo,
        final MQClientInstance instance,
        final int retryTimesWhenSendFailed,
        final AtomicInteger times,
        final SendMessageContext context,
        final DefaultMQProducerImpl producer
    ) {
        final long beginStartTime = System.currentTimeMillis();
        try {
            this.remotingClient.invokeAsync(addr, request, timeoutMillis, new InvokeCallback() {
                @Override
                public void operationComplete(ResponseFuture responseFuture) {
                    long cost = System.currentTimeMillis() - beginStartTime;
                    RemotingCommand response = responseFuture.getResponseCommand();
                    if (null == sendCallback && response != null) {

                        try {
                            SendResult sendResult = MQClientAPIImpl.this.processSendResponse(brokerName, msg, response, addr);
                            if (context != null && sendResult != null) {
                                context.setSendResult(sendResult);
                                context.getProducer().executeSendMessageHookAfter(context);
                            }
                        } catch (Throwable e) {
                        }

                        producer.updateFaultItem(brokerName, System.currentTimeMillis() - responseFuture.getBeginTimestamp(), false);
                        return;
                    }

                    if (response != null) {
                        try {
                            SendResult sendResult = MQClientAPIImpl.this.processSendResponse(brokerName, msg, response, addr);
                            assert sendResult != null;
                            if (context != null) {
                                context.setSendResult(sendResult);
                                context.getProducer().executeSendMessageHookAfter(context);
                            }

                            try {
                                sendCallback.onSuccess(sendResult);
                            } catch (Throwable e) {
                            }

                            producer.updateFaultItem(brokerName, System.currentTimeMillis() - responseFuture.getBeginTimestamp(), false);
                        } catch (Exception e) {
                            producer.updateFaultItem(brokerName, System.currentTimeMillis() - responseFuture.getBeginTimestamp(), true);
                            onExceptionImpl(brokerName, msg, timeoutMillis - cost, request, sendCallback, topicPublishInfo, instance,
                                retryTimesWhenSendFailed, times, e, context, false, producer);
                        }
                    } else {
                        producer.updateFaultItem(brokerName, System.currentTimeMillis() - responseFuture.getBeginTimestamp(), true);
                        if (!responseFuture.isSendRequestOK()) {
                            MQClientException ex = new MQClientException("send request failed", responseFuture.getCause());
                            onExceptionImpl(brokerName, msg, timeoutMillis - cost, request, sendCallback, topicPublishInfo, instance,
                                retryTimesWhenSendFailed, times, ex, context, true, producer);
                        } else if (responseFuture.isTimeout()) {
                            MQClientException ex = new MQClientException("wait response timeout " + responseFuture.getTimeoutMillis() + "ms",
                                responseFuture.getCause());
                            onExceptionImpl(brokerName, msg, timeoutMillis - cost, request, sendCallback, topicPublishInfo, instance,
                                retryTimesWhenSendFailed, times, ex, context, true, producer);
                        } else {
                            MQClientException ex = new MQClientException("unknow reseaon", responseFuture.getCause());
                            onExceptionImpl(brokerName, msg, timeoutMillis - cost, request, sendCallback, topicPublishInfo, instance,
                                retryTimesWhenSendFailed, times, ex, context, true, producer);
                        }
                    }
                }
            });
        } catch (Exception ex) {
            long cost = System.currentTimeMillis() - beginStartTime;
            producer.updateFaultItem(brokerName, cost, true);
            onExceptionImpl(brokerName, msg, timeoutMillis - cost, request, sendCallback, topicPublishInfo, instance,
                    retryTimesWhenSendFailed, times, ex, context, true, producer);
        }
    }

    private void onExceptionImpl(final String brokerName,
        final Message msg,
        final long timeoutMillis,
        final RemotingCommand request,
        final SendCallback sendCallback,
        final TopicPublishInfo topicPublishInfo,
        final MQClientInstance instance,
        final int timesTotal,
        final AtomicInteger curTimes,
        final Exception e,
        final SendMessageContext context,
        final boolean needRetry,
        final DefaultMQProducerImpl producer
    ) {
        int tmp = curTimes.incrementAndGet();
        if (needRetry && tmp <= timesTotal) {
            String retryBrokerName = brokerName;//by default, it will send to the same broker
            if (topicPublishInfo != null) { //select one message queue accordingly, in order to determine which broker to send
                MessageQueue mqChosen = producer.selectOneMessageQueue(topicPublishInfo, brokerName);
                retryBrokerName = mqChosen.getBrokerName();
            }
            String addr = instance.findBrokerAddressInPublish(retryBrokerName);
            log.warn("async send msg by retry {} times. topic={}, brokerAddr={}, brokerName={}", tmp, msg.getTopic(), addr,
                    retryBrokerName, e);
            request.setOpaque(RemotingCommand.createNewRequestId());
            sendMessageAsync(addr, retryBrokerName, msg, timeoutMillis, request, sendCallback, topicPublishInfo, instance,
                    timesTotal, curTimes, context, producer);
        } else {

            if (context != null) {
                context.setException(e);
                context.getProducer().executeSendMessageHookAfter(context);
            }

            try {
                sendCallback.onException(e);
            } catch (Exception ignored) {
            }
        }
    }

    private SendResult processSendResponse(
        final String brokerName,
        final Message msg,
        final RemotingCommand response,
        final String addr
    ) throws MQBrokerException, RemotingCommandException {
        SendStatus sendStatus;
        switch (response.getCode()) {
            case ResponseCode.FLUSH_DISK_TIMEOUT: {
                sendStatus = SendStatus.FLUSH_DISK_TIMEOUT;
                break;
            }
            case ResponseCode.FLUSH_SLAVE_TIMEOUT: {
                sendStatus = SendStatus.FLUSH_SLAVE_TIMEOUT;
                break;
            }
            case ResponseCode.SLAVE_NOT_AVAILABLE: {
                sendStatus = SendStatus.SLAVE_NOT_AVAILABLE;
                break;
            }
            case ResponseCode.SUCCESS: {
                sendStatus = SendStatus.SEND_OK;
                break;
            }
            default: {
                throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
            }
        }

        SendMessageResponseHeader responseHeader =
            (SendMessageResponseHeader) response.decodeCommandCustomHeader(SendMessageResponseHeader.class);

        //If namespace not null , reset Topic without namespace.
        String topic = msg.getTopic();
        if (StringUtils.isNotEmpty(this.clientConfig.getNamespace())) {
            topic = NamespaceUtil.withoutNamespace(topic, this.clientConfig.getNamespace());
        }

        MessageQueue messageQueue = new MessageQueue(topic, brokerName, responseHeader.getQueueId());

        String uniqMsgId = MessageClientIDSetter.getUniqID(msg);
        if (msg instanceof MessageBatch) {
            StringBuilder sb = new StringBuilder();
            for (Message message : (MessageBatch) msg) {
                sb.append(sb.length() == 0 ? "" : ",").append(MessageClientIDSetter.getUniqID(message));
            }
            uniqMsgId = sb.toString();
        }
        SendResult sendResult = new SendResult(sendStatus,
            uniqMsgId,
            responseHeader.getMsgId(), messageQueue, responseHeader.getQueueOffset());
        sendResult.setTransactionId(responseHeader.getTransactionId());
        String regionId = response.getExtFields().get(MessageConst.PROPERTY_MSG_REGION);
        String traceOn = response.getExtFields().get(MessageConst.PROPERTY_TRACE_SWITCH);
        if (regionId == null || regionId.isEmpty()) {
            regionId = MixAll.DEFAULT_TRACE_REGION_ID;
        }
        if (traceOn != null && traceOn.equals("false")) {
            sendResult.setTraceOn(false);
        } else {
            sendResult.setTraceOn(true);
        }
        sendResult.setRegionId(regionId);
        return sendResult;
    }

    public PullResult pullMessage(
        final String addr,
        final PullMessageRequestHeader requestHeader,
        final long timeoutMillis,
        final CommunicationMode communicationMode,
        final PullCallback pullCallback
    ) throws RemotingException, MQBrokerException, InterruptedException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.PULL_MESSAGE, requestHeader);

        switch (communicationMode) {
            case ONEWAY:
                assert false;
                return null;
            case ASYNC:
                this.pullMessageAsync(addr, request, timeoutMillis, pullCallback);
                return null;
            case SYNC:
                return this.pullMessageSync(addr, request, timeoutMillis);
            default:
                assert false;
                break;
        }

        return null;
    }

    private void pullMessageAsync(
        final String addr,
        final RemotingCommand request,
        final long timeoutMillis,
        final PullCallback pullCallback
    ) throws RemotingException, InterruptedException {
        this.remotingClient.invokeAsync(addr, request, timeoutMillis, new InvokeCallback() {
            @Override
            public void operationComplete(ResponseFuture responseFuture) {
                RemotingCommand response = responseFuture.getResponseCommand();
                if (response != null) {
                    try {
                        PullResult pullResult = MQClientAPIImpl.this.processPullResponse(response, addr);
                        assert pullResult != null;
                        pullCallback.onSuccess(pullResult);
                    } catch (Exception e) {
                        pullCallback.onException(e);
                    }
                } else {
                    if (!responseFuture.isSendRequestOK()) {
                        pullCallback.onException(new MQClientException("send request failed to " + addr + ". Request: " + request, responseFuture.getCause()));
                    } else if (responseFuture.isTimeout()) {
                        pullCallback.onException(new MQClientException("wait response from " + addr + " timeout :" + responseFuture.getTimeoutMillis() + "ms" + ". Request: " + request,
                            responseFuture.getCause()));
                    } else {
                        pullCallback.onException(new MQClientException("unknown reason. addr: " + addr + ", timeoutMillis: " + timeoutMillis + ". Request: " + request, responseFuture.getCause()));
                    }
                }
            }
        });
    }

    private PullResult pullMessageSync(
        final String addr,
        final RemotingCommand request,
        final long timeoutMillis
    ) throws RemotingException, InterruptedException, MQBrokerException {
        RemotingCommand response = this.remotingClient.invokeSync(addr, request, timeoutMillis);
        assert response != null;
        return this.processPullResponse(response, addr);
    }

    private PullResult processPullResponse(
        final RemotingCommand response,
        final String addr) throws MQBrokerException, RemotingCommandException {
        PullStatus pullStatus = PullStatus.NO_NEW_MSG;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS:
                pullStatus = PullStatus.FOUND;
                break;
            case ResponseCode.PULL_NOT_FOUND:
                pullStatus = PullStatus.NO_NEW_MSG;
                break;
            case ResponseCode.PULL_RETRY_IMMEDIATELY:
                pullStatus = PullStatus.NO_MATCHED_MSG;
                break;
            case ResponseCode.PULL_OFFSET_MOVED:
                pullStatus = PullStatus.OFFSET_ILLEGAL;
                break;

            default:
                throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
        }

        PullMessageResponseHeader responseHeader =
            (PullMessageResponseHeader) response.decodeCommandCustomHeader(PullMessageResponseHeader.class);

        return new PullResultExt(pullStatus, responseHeader.getNextBeginOffset(), responseHeader.getMinOffset(),
            responseHeader.getMaxOffset(), null, responseHeader.getSuggestWhichBrokerId(), response.getBody());
    }

    public MessageExt viewMessage(final String addr, final long phyoffset, final long timeoutMillis)
        throws RemotingException, MQBrokerException, InterruptedException {
        ViewMessageRequestHeader requestHeader = new ViewMessageRequestHeader();
        requestHeader.setOffset(phyoffset);
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.VIEW_MESSAGE_BY_ID, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                ByteBuffer byteBuffer = ByteBuffer.wrap(response.getBody());
                MessageExt messageExt = MessageDecoder.clientDecode(byteBuffer, true);
                //If namespace not null , reset Topic without namespace.
                if (StringUtils.isNotEmpty(this.clientConfig.getNamespace())) {
                    messageExt.setTopic(NamespaceUtil.withoutNamespace(messageExt.getTopic(), this.clientConfig.getNamespace()));
                }
                return messageExt;
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
    }

    public long searchOffset(final String addr, final MessageQueue mq, final long timestamp,
        final long timeoutMillis)
        throws RemotingException, MQBrokerException, InterruptedException {
        SearchOffsetRequestHeader requestHeader = new SearchOffsetRequestHeader();
        requestHeader.setTopic(mq.getTopic());
        requestHeader.setQueueId(mq.getQueueId());
        requestHeader.setTimestamp(timestamp);
        requestHeader.setBname(mq.getBrokerName());
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.SEARCH_OFFSET_BY_TIMESTAMP, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                SearchOffsetResponseHeader responseHeader =
                    (SearchOffsetResponseHeader) response.decodeCommandCustomHeader(SearchOffsetResponseHeader.class);
                return responseHeader.getOffset();
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
    }

    public long getMaxOffset(final String addr, final MessageQueue mq, final long timeoutMillis)
        throws RemotingException, MQBrokerException, InterruptedException {
        GetMaxOffsetRequestHeader requestHeader = new GetMaxOffsetRequestHeader();
        requestHeader.setTopic(mq.getTopic());
        requestHeader.setQueueId(mq.getQueueId());
        requestHeader.setBname(mq.getBrokerName());
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_MAX_OFFSET, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                GetMaxOffsetResponseHeader responseHeader =
                    (GetMaxOffsetResponseHeader) response.decodeCommandCustomHeader(GetMaxOffsetResponseHeader.class);

                return responseHeader.getOffset();
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
    }

    public List<String> getConsumerIdListByGroup(
        final String addr,
        final String consumerGroup,
        final long timeoutMillis) throws RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException,
        MQBrokerException, InterruptedException {
        GetConsumerListByGroupRequestHeader requestHeader = new GetConsumerListByGroupRequestHeader();
        requestHeader.setConsumerGroup(consumerGroup);
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_CONSUMER_LIST_BY_GROUP, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                if (response.getBody() != null) {
                    GetConsumerListByGroupResponseBody body =
                        GetConsumerListByGroupResponseBody.decode(response.getBody(), GetConsumerListByGroupResponseBody.class);
                    return body.getConsumerIdList();
                }
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
    }

    public long getMinOffset(final String addr, final MessageQueue mq, final long timeoutMillis)
        throws RemotingException, MQBrokerException, InterruptedException {
        GetMinOffsetRequestHeader requestHeader = new GetMinOffsetRequestHeader();
        requestHeader.setTopic(mq.getTopic());
        requestHeader.setQueueId(mq.getQueueId());
        requestHeader.setBname(mq.getBrokerName());
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_MIN_OFFSET, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                GetMinOffsetResponseHeader responseHeader =
                    (GetMinOffsetResponseHeader) response.decodeCommandCustomHeader(GetMinOffsetResponseHeader.class);

                return responseHeader.getOffset();
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
    }

    public long getEarliestMsgStoretime(final String addr, final MessageQueue mq, final long timeoutMillis)
        throws RemotingException, MQBrokerException, InterruptedException {
        GetEarliestMsgStoretimeRequestHeader requestHeader = new GetEarliestMsgStoretimeRequestHeader();
        requestHeader.setTopic(mq.getTopic());
        requestHeader.setQueueId(mq.getQueueId());
        requestHeader.setBname(mq.getBrokerName());
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_EARLIEST_MSG_STORETIME, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                GetEarliestMsgStoretimeResponseHeader responseHeader =
                    (GetEarliestMsgStoretimeResponseHeader) response.decodeCommandCustomHeader(GetEarliestMsgStoretimeResponseHeader.class);

                return responseHeader.getTimestamp();
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
    }

    public long queryConsumerOffset(
        final String addr,
        final QueryConsumerOffsetRequestHeader requestHeader,
        final long timeoutMillis
    ) throws RemotingException, MQBrokerException, InterruptedException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.QUERY_CONSUMER_OFFSET, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                QueryConsumerOffsetResponseHeader responseHeader =
                    (QueryConsumerOffsetResponseHeader) response.decodeCommandCustomHeader(QueryConsumerOffsetResponseHeader.class);

                return responseHeader.getOffset();
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
    }

    public void updateConsumerOffset(
        final String addr,
        final UpdateConsumerOffsetRequestHeader requestHeader,
        final long timeoutMillis
    ) throws RemotingException, MQBrokerException, InterruptedException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.UPDATE_CONSUMER_OFFSET, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return;
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
    }

    public void updateConsumerOffsetOneway(
        final String addr,
        final UpdateConsumerOffsetRequestHeader requestHeader,
        final long timeoutMillis
    ) throws RemotingConnectException, RemotingTooMuchRequestException, RemotingTimeoutException, RemotingSendRequestException,
        InterruptedException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.UPDATE_CONSUMER_OFFSET, requestHeader);

        this.remotingClient.invokeOneway(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr), request, timeoutMillis);
    }

    public int sendHeartbeat(
        final String addr,
        final HeartbeatData heartbeatData,
        final long timeoutMillis
    ) throws RemotingException, MQBrokerException, InterruptedException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.HEART_BEAT, null);
        request.setLanguage(clientConfig.getLanguage());
        request.setBody(heartbeatData.encode());
        RemotingCommand response = this.remotingClient.invokeSync(addr, request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return response.getVersion();
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
    }

    public void unregisterClient(
        final String addr,
        final String clientID,
        final String producerGroup,
        final String consumerGroup,
        final long timeoutMillis
    ) throws RemotingException, MQBrokerException, InterruptedException {
        final UnregisterClientRequestHeader requestHeader = new UnregisterClientRequestHeader();
        requestHeader.setClientID(clientID);
        requestHeader.setProducerGroup(producerGroup);
        requestHeader.setConsumerGroup(consumerGroup);
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.UNREGISTER_CLIENT, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(addr, request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return;
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
    }

    public void endTransactionOneway(
        final String addr,
        final EndTransactionRequestHeader requestHeader,
        final String remark,
        final long timeoutMillis
    ) throws RemotingException, InterruptedException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.END_TRANSACTION, requestHeader);

        request.setRemark(remark);
        this.remotingClient.invokeOneway(addr, request, timeoutMillis);
    }

    public void queryMessage(
        final String addr,
        final QueryMessageRequestHeader requestHeader,
        final long timeoutMillis,
        final InvokeCallback invokeCallback,
        final Boolean isUnqiueKey
    ) throws RemotingException, MQBrokerException, InterruptedException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.QUERY_MESSAGE, requestHeader);
        request.addExtField(MixAll.UNIQUE_MSG_QUERY_FLAG, isUnqiueKey.toString());
        this.remotingClient.invokeAsync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr), request, timeoutMillis,
            invokeCallback);
    }

    public boolean registerClient(final String addr, final HeartbeatData heartbeat, final long timeoutMillis)
        throws RemotingException, InterruptedException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.HEART_BEAT, null);

        request.setBody(heartbeat.encode());
        RemotingCommand response = this.remotingClient.invokeSync(addr, request, timeoutMillis);
        return response.getCode() == ResponseCode.SUCCESS;
    }

    public void consumerSendMessageBack(
        final String addr,
        final String brokerName,
        final MessageExt msg,
        final String consumerGroup,
        final int delayLevel,
        final long timeoutMillis,
        final int maxConsumeRetryTimes
    ) throws RemotingException, MQBrokerException, InterruptedException {
        ConsumerSendMsgBackRequestHeader requestHeader = new ConsumerSendMsgBackRequestHeader();
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.CONSUMER_SEND_MSG_BACK, requestHeader);

        requestHeader.setGroup(consumerGroup);
        requestHeader.setOriginTopic(msg.getTopic());
        requestHeader.setOffset(msg.getCommitLogOffset());
        requestHeader.setDelayLevel(delayLevel);
        requestHeader.setOriginMsgId(msg.getMsgId());
        requestHeader.setMaxReconsumeTimes(maxConsumeRetryTimes);
        requestHeader.setBname(brokerName);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return;
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
    }

    public Set<MessageQueue> lockBatchMQ(
        final String addr,
        final LockBatchRequestBody requestBody,
        final long timeoutMillis) throws RemotingException, MQBrokerException, InterruptedException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.LOCK_BATCH_MQ, null);

        request.setBody(requestBody.encode());
        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                LockBatchResponseBody responseBody = LockBatchResponseBody.decode(response.getBody(), LockBatchResponseBody.class);
                Set<MessageQueue> messageQueues = responseBody.getLockOKMQSet();
                return messageQueues;
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
    }

    public void unlockBatchMQ(
        final String addr,
        final UnlockBatchRequestBody requestBody,
        final long timeoutMillis,
        final boolean oneway
    ) throws RemotingException, MQBrokerException, InterruptedException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.UNLOCK_BATCH_MQ, null);

        request.setBody(requestBody.encode());

        if (oneway) {
            this.remotingClient.invokeOneway(addr, request, timeoutMillis);
        } else {
            RemotingCommand response = this.remotingClient
                .invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr), request, timeoutMillis);
            switch (response.getCode()) {
                case ResponseCode.SUCCESS: {
                    return;
                }
                default:
                    break;
            }

            throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
        }
    }

    public TopicStatsTable getTopicStatsInfo(final String addr, final String topic,
        final long timeoutMillis) throws InterruptedException,
        RemotingTimeoutException, RemotingSendRequestException, RemotingConnectException, MQBrokerException {
        GetTopicStatsInfoRequestHeader requestHeader = new GetTopicStatsInfoRequestHeader();
        requestHeader.setTopic(topic);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_TOPIC_STATS_INFO, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                TopicStatsTable topicStatsTable = TopicStatsTable.decode(response.getBody(), TopicStatsTable.class);
                return topicStatsTable;
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
    }

    public ConsumeStats getConsumeStats(final String addr, final String consumerGroup, final long timeoutMillis)
        throws InterruptedException, RemotingTimeoutException, RemotingSendRequestException, RemotingConnectException,
        MQBrokerException {
        return getConsumeStats(addr, consumerGroup, null, timeoutMillis);
    }

    public ConsumeStats getConsumeStats(final String addr, final String consumerGroup, final String topic,
        final long timeoutMillis)
        throws InterruptedException, RemotingTimeoutException, RemotingSendRequestException, RemotingConnectException,
        MQBrokerException {
        GetConsumeStatsRequestHeader requestHeader = new GetConsumeStatsRequestHeader();
        requestHeader.setConsumerGroup(consumerGroup);
        requestHeader.setTopic(topic);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_CONSUME_STATS, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                ConsumeStats consumeStats = ConsumeStats.decode(response.getBody(), ConsumeStats.class);
                return consumeStats;
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
    }

    public ProducerConnection getProducerConnectionList(final String addr, final String producerGroup,
        final long timeoutMillis)
        throws RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException, InterruptedException,
        MQBrokerException {
        GetProducerConnectionListRequestHeader requestHeader = new GetProducerConnectionListRequestHeader();
        requestHeader.setProducerGroup(producerGroup);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_PRODUCER_CONNECTION_LIST, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return ProducerConnection.decode(response.getBody(), ProducerConnection.class);
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
    }

    public ProducerTableInfo getAllProducerInfo(final String addr, final long timeoutMillis)
            throws RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException, InterruptedException,
            MQBrokerException {
        GetAllProducerInfoRequestHeader requestHeader = new GetAllProducerInfoRequestHeader();

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_ALL_PRODUCER_INFO, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
                request, timeoutMillis);
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return ProducerTableInfo.decode(response.getBody(), ProducerTableInfo.class);
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
    }

    public ConsumerConnection getConsumerConnectionList(final String addr, final String consumerGroup,
        final long timeoutMillis)
        throws RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException, InterruptedException,
        MQBrokerException {
        GetConsumerConnectionListRequestHeader requestHeader = new GetConsumerConnectionListRequestHeader();
        requestHeader.setConsumerGroup(consumerGroup);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_CONSUMER_CONNECTION_LIST, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return ConsumerConnection.decode(response.getBody(), ConsumerConnection.class);
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
    }

    public KVTable getBrokerRuntimeInfo(final String addr, final long timeoutMillis) throws RemotingConnectException,
        RemotingSendRequestException, RemotingTimeoutException, InterruptedException, MQBrokerException {

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_BROKER_RUNTIME_INFO, null);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return KVTable.decode(response.getBody(), KVTable.class);
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
    }

    public void updateBrokerConfig(final String addr, final Properties properties, final long timeoutMillis)
        throws RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException, InterruptedException,
        MQBrokerException, UnsupportedEncodingException {

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.UPDATE_BROKER_CONFIG, null);

        String str = MixAll.properties2String(properties);
        if (str != null && str.length() > 0) {
            request.setBody(str.getBytes(MixAll.DEFAULT_CHARSET));
            RemotingCommand response = this.remotingClient
                .invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr), request, timeoutMillis);
            switch (response.getCode()) {
                case ResponseCode.SUCCESS: {
                    return;
                }
                default:
                    break;
            }

            throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
        }
    }

    public Properties getBrokerConfig(final String addr, final long timeoutMillis)
        throws RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException, InterruptedException,
        MQBrokerException, UnsupportedEncodingException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_BROKER_CONFIG, null);

        RemotingCommand response = this.remotingClient.invokeSync(addr, request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return MixAll.string2Properties(new String(response.getBody(), MixAll.DEFAULT_CHARSET));
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
    }

    public ClusterInfo getBrokerClusterInfo(
        final long timeoutMillis) throws InterruptedException, RemotingTimeoutException,
        RemotingSendRequestException, RemotingConnectException, MQBrokerException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_BROKER_CLUSTER_INFO, null);

        RemotingCommand response = this.remotingClient.invokeSync(null, request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return ClusterInfo.decode(response.getBody(), ClusterInfo.class);
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark());
    }

    public TopicRouteData getDefaultTopicRouteInfoFromNameServer(final String topic, final long timeoutMillis)
        throws RemotingException, MQClientException, InterruptedException {

        return getTopicRouteInfoFromNameServer(topic, timeoutMillis, false);
    }

    public TopicRouteData getTopicRouteInfoFromNameServer(final String topic, final long timeoutMillis)
        throws RemotingException, MQClientException, InterruptedException {

        return getTopicRouteInfoFromNameServer(topic, timeoutMillis, true);
    }

    public TopicRouteData getTopicRouteInfoFromNameServer(final String topic, final long timeoutMillis,
        boolean allowTopicNotExist) throws MQClientException, InterruptedException, RemotingTimeoutException, RemotingSendRequestException, RemotingConnectException {
        GetRouteInfoRequestHeader requestHeader = new GetRouteInfoRequestHeader();
        requestHeader.setTopic(topic);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_ROUTEINFO_BY_TOPIC, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(null, request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.TOPIC_NOT_EXIST: {
                if (allowTopicNotExist) {
                    log.warn("get Topic [{}] RouteInfoFromNameServer is not exist value", topic);
                }

                break;
            }
            case ResponseCode.SUCCESS: {
                byte[] body = response.getBody();
                if (body != null) {
                    return TopicRouteData.decode(body, TopicRouteData.class);
                }
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public TopicList getTopicListFromNameServer(final long timeoutMillis)
        throws RemotingException, MQClientException, InterruptedException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_ALL_TOPIC_LIST_FROM_NAMESERVER, null);

        RemotingCommand response = this.remotingClient.invokeSync(null, request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                byte[] body = response.getBody();
                if (body != null) {
                    return TopicList.decode(body, TopicList.class);
                }
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public int wipeWritePermOfBroker(final String namesrvAddr, String brokerName,
        final long timeoutMillis) throws RemotingCommandException,
        RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException, InterruptedException, MQClientException {
        WipeWritePermOfBrokerRequestHeader requestHeader = new WipeWritePermOfBrokerRequestHeader();
        requestHeader.setBrokerName(brokerName);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.WIPE_WRITE_PERM_OF_BROKER, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(namesrvAddr, request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                WipeWritePermOfBrokerResponseHeader responseHeader =
                    (WipeWritePermOfBrokerResponseHeader) response.decodeCommandCustomHeader(WipeWritePermOfBrokerResponseHeader.class);
                return responseHeader.getWipeTopicCount();
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public int addWritePermOfBroker(final String nameSrvAddr, String brokerName, final long timeoutMillis)
        throws RemotingCommandException,
        RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException, InterruptedException, MQClientException {
        AddWritePermOfBrokerRequestHeader requestHeader = new AddWritePermOfBrokerRequestHeader();
        requestHeader.setBrokerName(brokerName);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.ADD_WRITE_PERM_OF_BROKER, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(nameSrvAddr, request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                AddWritePermOfBrokerResponseHeader responseHeader =
                    (AddWritePermOfBrokerResponseHeader) response.decodeCommandCustomHeader(AddWritePermOfBrokerResponseHeader.class);
                return responseHeader.getAddTopicCount();
            }
            default:
                break;
        }
        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public void deleteTopicInBroker(final String addr, final String topic, final long timeoutMillis)
        throws RemotingException, InterruptedException, MQClientException {
        DeleteTopicRequestHeader requestHeader = new DeleteTopicRequestHeader();
        requestHeader.setTopic(topic);
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.DELETE_TOPIC_IN_BROKER, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return;
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public void deleteTopicInNameServer(final String addr, final String topic, final String clusterName, final long timeoutMillis)
        throws RemotingException, InterruptedException, MQClientException {
        DeleteTopicFromNamesrvRequestHeader requestHeader = new DeleteTopicFromNamesrvRequestHeader();
        requestHeader.setTopic(topic);
        requestHeader.setClusterName(clusterName);
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.DELETE_TOPIC_IN_NAMESRV, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(addr, request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return;
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public void deleteSubscriptionGroup(final String addr, final String groupName, final boolean removeOffset,
        final long timeoutMillis)
        throws RemotingException, InterruptedException, MQClientException {
        DeleteSubscriptionGroupRequestHeader requestHeader = new DeleteSubscriptionGroupRequestHeader();
        requestHeader.setGroupName(groupName);
        requestHeader.setRemoveOffset(removeOffset);
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.DELETE_SUBSCRIPTIONGROUP, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return;
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public String getKVConfigValue(final String namespace, final String key, final long timeoutMillis)
        throws RemotingException, MQClientException, InterruptedException {
        GetKVConfigRequestHeader requestHeader = new GetKVConfigRequestHeader();
        requestHeader.setNamespace(namespace);
        requestHeader.setKey(key);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_KV_CONFIG, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(null, request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                GetKVConfigResponseHeader responseHeader =
                    (GetKVConfigResponseHeader) response.decodeCommandCustomHeader(GetKVConfigResponseHeader.class);
                return responseHeader.getValue();
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public void putKVConfigValue(final String namespace, final String key, final String value, final long timeoutMillis)
        throws RemotingException, MQClientException, InterruptedException {
        PutKVConfigRequestHeader requestHeader = new PutKVConfigRequestHeader();
        requestHeader.setNamespace(namespace);
        requestHeader.setKey(key);
        requestHeader.setValue(value);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.PUT_KV_CONFIG, requestHeader);

        List<String> nameServerAddressList = this.remotingClient.getNameServerAddressList();
        if (nameServerAddressList != null) {
            RemotingCommand errResponse = null;
            for (String namesrvAddr : nameServerAddressList) {
                RemotingCommand response = this.remotingClient.invokeSync(namesrvAddr, request, timeoutMillis);
                assert response != null;
                switch (response.getCode()) {
                    case ResponseCode.SUCCESS: {
                        break;
                    }
                    default:
                        errResponse = response;
                }
            }

            if (errResponse != null) {
                throw new MQClientException(errResponse.getCode(), errResponse.getRemark());
            }
        }
    }

    public void deleteKVConfigValue(final String namespace, final String key, final long timeoutMillis)
        throws RemotingException, MQClientException, InterruptedException {
        DeleteKVConfigRequestHeader requestHeader = new DeleteKVConfigRequestHeader();
        requestHeader.setNamespace(namespace);
        requestHeader.setKey(key);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.DELETE_KV_CONFIG, requestHeader);

        List<String> nameServerAddressList = this.remotingClient.getNameServerAddressList();
        if (nameServerAddressList != null) {
            RemotingCommand errResponse = null;
            for (String namesrvAddr : nameServerAddressList) {
                RemotingCommand response = this.remotingClient.invokeSync(namesrvAddr, request, timeoutMillis);
                assert response != null;
                switch (response.getCode()) {
                    case ResponseCode.SUCCESS: {
                        break;
                    }
                    default:
                        errResponse = response;
                }
            }
            if (errResponse != null) {
                throw new MQClientException(errResponse.getCode(), errResponse.getRemark());
            }
        }
    }

    public KVTable getKVListByNamespace(final String namespace, final long timeoutMillis)
        throws RemotingException, MQClientException, InterruptedException {
        GetKVListByNamespaceRequestHeader requestHeader = new GetKVListByNamespaceRequestHeader();
        requestHeader.setNamespace(namespace);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_KVLIST_BY_NAMESPACE, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(null, request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return KVTable.decode(response.getBody(), KVTable.class);
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public Map<MessageQueue, Long> invokeBrokerToResetOffset(final String addr, final String topic, final String group,
        final long timestamp, final boolean isForce, final long timeoutMillis)
        throws RemotingException, MQClientException, InterruptedException {
        return invokeBrokerToResetOffset(addr, topic, group, timestamp, isForce, timeoutMillis, false);
    }

    public Map<MessageQueue, Long> invokeBrokerToResetOffset(final String addr, final String topic, final String group,
        final long timestamp, final boolean isForce, final long timeoutMillis, boolean isC)
        throws RemotingException, MQClientException, InterruptedException {
        ResetOffsetRequestHeader requestHeader = new ResetOffsetRequestHeader();
        requestHeader.setTopic(topic);
        requestHeader.setGroup(group);
        requestHeader.setTimestamp(timestamp);
        requestHeader.setForce(isForce);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.INVOKE_BROKER_TO_RESET_OFFSET, requestHeader);
        if (isC) {
            request.setLanguage(LanguageCode.CPP);
        }

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                if (response.getBody() != null) {
                    ResetOffsetBody body = ResetOffsetBody.decode(response.getBody(), ResetOffsetBody.class);
                    return body.getOffsetTable();
                }
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public Map<String, Map<MessageQueue, Long>> invokeBrokerToGetConsumerStatus(final String addr, final String topic,
        final String group,
        final String clientAddr,
        final long timeoutMillis) throws RemotingException, MQClientException, InterruptedException {
        GetConsumerStatusRequestHeader requestHeader = new GetConsumerStatusRequestHeader();
        requestHeader.setTopic(topic);
        requestHeader.setGroup(group);
        requestHeader.setClientAddr(clientAddr);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.INVOKE_BROKER_TO_GET_CONSUMER_STATUS, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                if (response.getBody() != null) {
                    GetConsumerStatusBody body = GetConsumerStatusBody.decode(response.getBody(), GetConsumerStatusBody.class);
                    return body.getConsumerTable();
                }
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public GroupList queryTopicConsumeByWho(final String addr, final String topic, final long timeoutMillis)
        throws RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException, InterruptedException,
        MQBrokerException {
        QueryTopicConsumeByWhoRequestHeader requestHeader = new QueryTopicConsumeByWhoRequestHeader();
        requestHeader.setTopic(topic);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.QUERY_TOPIC_CONSUME_BY_WHO, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                GroupList groupList = GroupList.decode(response.getBody(), GroupList.class);
                return groupList;
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
    }

    public List<QueueTimeSpan> queryConsumeTimeSpan(final String addr, final String topic, final String group,
        final long timeoutMillis)
        throws RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException, InterruptedException,
        MQBrokerException {
        QueryConsumeTimeSpanRequestHeader requestHeader = new QueryConsumeTimeSpanRequestHeader();
        requestHeader.setTopic(topic);
        requestHeader.setGroup(group);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.QUERY_CONSUME_TIME_SPAN, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                QueryConsumeTimeSpanBody consumeTimeSpanBody = GroupList.decode(response.getBody(), QueryConsumeTimeSpanBody.class);
                return consumeTimeSpanBody.getConsumeTimeSpanSet();
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
    }

    public TopicList getTopicsByCluster(final String cluster, final long timeoutMillis)
        throws RemotingException, MQClientException, InterruptedException {
        GetTopicsByClusterRequestHeader requestHeader = new GetTopicsByClusterRequestHeader();
        requestHeader.setCluster(cluster);
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_TOPICS_BY_CLUSTER, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(null, request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                byte[] body = response.getBody();
                if (body != null) {
                    TopicList topicList = TopicList.decode(body, TopicList.class);
                    return topicList;
                }
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public void registerMessageFilterClass(final String addr,
        final String consumerGroup,
        final String topic,
        final String className,
        final int classCRC,
        final byte[] classBody,
        final long timeoutMillis) throws RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException,
        InterruptedException, MQBrokerException {
        RegisterMessageFilterClassRequestHeader requestHeader = new RegisterMessageFilterClassRequestHeader();
        requestHeader.setConsumerGroup(consumerGroup);
        requestHeader.setClassName(className);
        requestHeader.setTopic(topic);
        requestHeader.setClassCRC(classCRC);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.REGISTER_MESSAGE_FILTER_CLASS, requestHeader);
        request.setBody(classBody);
        RemotingCommand response = this.remotingClient.invokeSync(addr, request, timeoutMillis);
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return;
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
    }

    public TopicList getSystemTopicList(
        final long timeoutMillis) throws RemotingException, MQClientException, InterruptedException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_SYSTEM_TOPIC_LIST_FROM_NS, null);

        RemotingCommand response = this.remotingClient.invokeSync(null, request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                byte[] body = response.getBody();
                if (body != null) {
                    TopicList topicList = TopicList.decode(response.getBody(), TopicList.class);
                    if (topicList.getTopicList() != null && !topicList.getTopicList().isEmpty()
                        && !UtilAll.isBlank(topicList.getBrokerAddr())) {
                        TopicList tmp = getSystemTopicListFromBroker(topicList.getBrokerAddr(), timeoutMillis);
                        if (tmp.getTopicList() != null && !tmp.getTopicList().isEmpty()) {
                            topicList.getTopicList().addAll(tmp.getTopicList());
                        }
                    }
                    return topicList;
                }
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public TopicList getSystemTopicListFromBroker(final String addr, final long timeoutMillis)
        throws RemotingException, MQClientException, InterruptedException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_SYSTEM_TOPIC_LIST_FROM_BROKER, null);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                byte[] body = response.getBody();
                if (body != null) {
                    TopicList topicList = TopicList.decode(body, TopicList.class);
                    return topicList;
                }
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public boolean cleanExpiredConsumeQueue(final String addr,
        long timeoutMillis) throws MQClientException, RemotingConnectException,
        RemotingSendRequestException, RemotingTimeoutException, InterruptedException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.CLEAN_EXPIRED_CONSUMEQUEUE, null);
        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return true;
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public boolean deleteExpiredCommitLog(final String addr, long timeoutMillis) throws MQClientException,
        RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException, InterruptedException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.DELETE_EXPIRED_COMMITLOG, null);
        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return true;
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public boolean cleanUnusedTopicByAddr(final String addr,
        long timeoutMillis) throws MQClientException, RemotingConnectException,
        RemotingSendRequestException, RemotingTimeoutException, InterruptedException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.CLEAN_UNUSED_TOPIC, null);
        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return true;
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public ConsumerRunningInfo getConsumerRunningInfo(final String addr, String consumerGroup, String clientId,
        boolean jstack,
        final long timeoutMillis) throws RemotingException, MQClientException, InterruptedException {
        GetConsumerRunningInfoRequestHeader requestHeader = new GetConsumerRunningInfoRequestHeader();
        requestHeader.setConsumerGroup(consumerGroup);
        requestHeader.setClientId(clientId);
        requestHeader.setJstackEnable(jstack);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_CONSUMER_RUNNING_INFO, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                byte[] body = response.getBody();
                if (body != null) {
                    ConsumerRunningInfo info = ConsumerRunningInfo.decode(body, ConsumerRunningInfo.class);
                    return info;
                }
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public ConsumeMessageDirectlyResult consumeMessageDirectly(final String addr,
        String consumerGroup,
        String clientId,
        String msgId,
        final long timeoutMillis) throws RemotingException, MQClientException, InterruptedException {
        ConsumeMessageDirectlyResultRequestHeader requestHeader = new ConsumeMessageDirectlyResultRequestHeader();
        requestHeader.setConsumerGroup(consumerGroup);
        requestHeader.setClientId(clientId);
        requestHeader.setMsgId(msgId);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.CONSUME_MESSAGE_DIRECTLY, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                byte[] body = response.getBody();
                if (body != null) {
                    ConsumeMessageDirectlyResult info = ConsumeMessageDirectlyResult.decode(body, ConsumeMessageDirectlyResult.class);
                    return info;
                }
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public Map<Integer, Long> queryCorrectionOffset(final String addr, final String topic, final String group,
        Set<String> filterGroup,
        long timeoutMillis) throws MQClientException, RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException,
        InterruptedException {
        QueryCorrectionOffsetHeader requestHeader = new QueryCorrectionOffsetHeader();
        requestHeader.setCompareGroup(group);
        requestHeader.setTopic(topic);
        if (filterGroup != null) {
            StringBuilder sb = new StringBuilder();
            String splitor = "";
            for (String s : filterGroup) {
                sb.append(splitor).append(s);
                splitor = ",";
            }
            requestHeader.setFilterGroups(sb.toString());
        }
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.QUERY_CORRECTION_OFFSET, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                if (response.getBody() != null) {
                    QueryCorrectionOffsetBody body = QueryCorrectionOffsetBody.decode(response.getBody(), QueryCorrectionOffsetBody.class);
                    return body.getCorrectionOffsets();
                }
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public TopicList getUnitTopicList(final boolean containRetry, final long timeoutMillis)
        throws RemotingException, MQClientException, InterruptedException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_UNIT_TOPIC_LIST, null);

        RemotingCommand response = this.remotingClient.invokeSync(null, request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                byte[] body = response.getBody();
                if (body != null) {
                    TopicList topicList = TopicList.decode(response.getBody(), TopicList.class);
                    if (!containRetry) {
                        Iterator<String> it = topicList.getTopicList().iterator();
                        while (it.hasNext()) {
                            String topic = it.next();
                            if (topic.startsWith(MixAll.RETRY_GROUP_TOPIC_PREFIX))
                                it.remove();
                        }
                    }

                    return topicList;
                }
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public TopicList getHasUnitSubTopicList(final boolean containRetry, final long timeoutMillis)
        throws RemotingException, MQClientException, InterruptedException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_HAS_UNIT_SUB_TOPIC_LIST, null);

        RemotingCommand response = this.remotingClient.invokeSync(null, request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                byte[] body = response.getBody();
                if (body != null) {
                    TopicList topicList = TopicList.decode(response.getBody(), TopicList.class);
                    if (!containRetry) {
                        Iterator<String> it = topicList.getTopicList().iterator();
                        while (it.hasNext()) {
                            String topic = it.next();
                            if (topic.startsWith(MixAll.RETRY_GROUP_TOPIC_PREFIX))
                                it.remove();
                        }
                    }
                    return topicList;
                }
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public TopicList getHasUnitSubUnUnitTopicList(final boolean containRetry, final long timeoutMillis)
        throws RemotingException, MQClientException, InterruptedException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_HAS_UNIT_SUB_UNUNIT_TOPIC_LIST, null);

        RemotingCommand response = this.remotingClient.invokeSync(null, request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                byte[] body = response.getBody();
                if (body != null) {
                    TopicList topicList = TopicList.decode(response.getBody(), TopicList.class);
                    if (!containRetry) {
                        Iterator<String> it = topicList.getTopicList().iterator();
                        while (it.hasNext()) {
                            String topic = it.next();
                            if (topic.startsWith(MixAll.RETRY_GROUP_TOPIC_PREFIX))
                                it.remove();
                        }
                    }
                    return topicList;
                }
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public void cloneGroupOffset(final String addr, final String srcGroup, final String destGroup, final String topic,
        final boolean isOffline,
        final long timeoutMillis) throws RemotingException, MQClientException, InterruptedException {
        CloneGroupOffsetRequestHeader requestHeader = new CloneGroupOffsetRequestHeader();
        requestHeader.setSrcGroup(srcGroup);
        requestHeader.setDestGroup(destGroup);
        requestHeader.setTopic(topic);
        requestHeader.setOffline(isOffline);
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.CLONE_GROUP_OFFSET, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return;
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public BrokerStatsData viewBrokerStatsData(String brokerAddr, String statsName, String statsKey, long timeoutMillis)
        throws MQClientException, RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException,
        InterruptedException {
        ViewBrokerStatsDataRequestHeader requestHeader = new ViewBrokerStatsDataRequestHeader();
        requestHeader.setStatsName(statsName);
        requestHeader.setStatsKey(statsKey);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.VIEW_BROKER_STATS_DATA, requestHeader);

        RemotingCommand response = this.remotingClient
            .invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), brokerAddr), request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                byte[] body = response.getBody();
                if (body != null) {
                    return BrokerStatsData.decode(body, BrokerStatsData.class);
                }
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public Set<String> getClusterList(String topic,
        long timeoutMillis) {
        return Collections.EMPTY_SET;
    }

    public ConsumeStatsList fetchConsumeStatsInBroker(String brokerAddr, boolean isOrder,
        long timeoutMillis) throws MQClientException,
        RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException, InterruptedException {
        GetConsumeStatsInBrokerHeader requestHeader = new GetConsumeStatsInBrokerHeader();
        requestHeader.setIsOrder(isOrder);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_BROKER_CONSUME_STATS, requestHeader);

        RemotingCommand response = this.remotingClient
            .invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), brokerAddr), request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                byte[] body = response.getBody();
                if (body != null) {
                    return ConsumeStatsList.decode(body, ConsumeStatsList.class);
                }
            }
            default:
                break;
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public SubscriptionGroupWrapper getAllSubscriptionGroup(final String brokerAddr,
        long timeoutMillis) throws InterruptedException,
        RemotingTimeoutException, RemotingSendRequestException, RemotingConnectException, MQBrokerException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_ALL_SUBSCRIPTIONGROUP_CONFIG, null);
        RemotingCommand response = this.remotingClient
            .invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), brokerAddr), request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return SubscriptionGroupWrapper.decode(response.getBody(), SubscriptionGroupWrapper.class);
            }
            default:
                break;
        }
        throw new MQBrokerException(response.getCode(), response.getRemark(), brokerAddr);
    }

    public TopicConfigSerializeWrapper getAllTopicConfig(final String addr,
        long timeoutMillis) throws RemotingConnectException,
        RemotingSendRequestException, RemotingTimeoutException, InterruptedException, MQBrokerException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_ALL_TOPIC_CONFIG, null);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return TopicConfigSerializeWrapper.decode(response.getBody(), TopicConfigSerializeWrapper.class);
            }
            default:
                break;
        }

        throw new MQBrokerException(response.getCode(), response.getRemark(), addr);
    }

    public void updateNameServerConfig(final Properties properties, final List<String> nameServers, long timeoutMillis)
        throws UnsupportedEncodingException, InterruptedException, RemotingTimeoutException, RemotingSendRequestException,
        RemotingConnectException, MQClientException {
        String str = MixAll.properties2String(properties);
        if (str == null || str.length() < 1) {
            return;
        }
        List<String> invokeNameServers = (nameServers == null || nameServers.isEmpty()) ?
            this.remotingClient.getNameServerAddressList() : nameServers;
        if (invokeNameServers == null || invokeNameServers.isEmpty()) {
            return;
        }

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.UPDATE_NAMESRV_CONFIG, null);
        request.setBody(str.getBytes(MixAll.DEFAULT_CHARSET));

        RemotingCommand errResponse = null;
        for (String nameServer : invokeNameServers) {
            RemotingCommand response = this.remotingClient.invokeSync(nameServer, request, timeoutMillis);
            assert response != null;
            switch (response.getCode()) {
                case ResponseCode.SUCCESS: {
                    break;
                }
                default:
                    errResponse = response;
            }
        }

        if (errResponse != null) {
            throw new MQClientException(errResponse.getCode(), errResponse.getRemark());
        }
    }

    public Map<String, Properties> getNameServerConfig(final List<String> nameServers, long timeoutMillis)
        throws InterruptedException,
        RemotingTimeoutException, RemotingSendRequestException, RemotingConnectException,
        MQClientException, UnsupportedEncodingException {
        List<String> invokeNameServers = (nameServers == null || nameServers.isEmpty()) ?
            this.remotingClient.getNameServerAddressList() : nameServers;
        if (invokeNameServers == null || invokeNameServers.isEmpty()) {
            return null;
        }

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.GET_NAMESRV_CONFIG, null);

        Map<String, Properties> configMap = new HashMap<String, Properties>(4);
        for (String nameServer : invokeNameServers) {
            RemotingCommand response = this.remotingClient.invokeSync(nameServer, request, timeoutMillis);

            assert response != null;

            if (ResponseCode.SUCCESS == response.getCode()) {
                configMap.put(nameServer, MixAll.string2Properties(new String(response.getBody(), MixAll.DEFAULT_CHARSET)));
            } else {
                throw new MQClientException(response.getCode(), response.getRemark());
            }
        }
        return configMap;
    }

    public QueryConsumeQueueResponseBody queryConsumeQueue(final String brokerAddr, final String topic,
        final int queueId,
        final long index, final int count, final String consumerGroup,
        final long timeoutMillis) throws InterruptedException,
        RemotingTimeoutException, RemotingSendRequestException, RemotingConnectException, MQClientException {

        QueryConsumeQueueRequestHeader requestHeader = new QueryConsumeQueueRequestHeader();
        requestHeader.setTopic(topic);
        requestHeader.setQueueId(queueId);
        requestHeader.setIndex(index);
        requestHeader.setCount(count);
        requestHeader.setConsumerGroup(consumerGroup);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.QUERY_CONSUME_QUEUE, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), brokerAddr), request, timeoutMillis);

        assert response != null;

        if (ResponseCode.SUCCESS == response.getCode()) {
            return QueryConsumeQueueResponseBody.decode(response.getBody(), QueryConsumeQueueResponseBody.class);
        }

        throw new MQClientException(response.getCode(), response.getRemark());
    }

    public void checkClientInBroker(final String brokerAddr, final String consumerGroup,
        final String clientId, final SubscriptionData subscriptionData,
        final long timeoutMillis)
        throws InterruptedException, RemotingTimeoutException, RemotingSendRequestException,
        RemotingConnectException, MQClientException {
        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.CHECK_CLIENT_CONFIG, null);

        CheckClientRequestBody requestBody = new CheckClientRequestBody();
        requestBody.setClientId(clientId);
        requestBody.setGroup(consumerGroup);
        requestBody.setSubscriptionData(subscriptionData);

        request.setBody(requestBody.encode());

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), brokerAddr), request, timeoutMillis);

        assert response != null;

        if (ResponseCode.SUCCESS != response.getCode()) {
            throw new MQClientException(response.getCode(), response.getRemark());
        }
    }

    public boolean resumeCheckHalfMessage(final String addr, String msgId,
        final long timeoutMillis) throws RemotingException, InterruptedException {
        ResumeCheckHalfMessageRequestHeader requestHeader = new ResumeCheckHalfMessageRequestHeader();
        requestHeader.setMsgId(msgId);

        RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.RESUME_CHECK_HALF_MESSAGE, requestHeader);

        RemotingCommand response = this.remotingClient.invokeSync(MixAll.brokerVIPChannel(this.clientConfig.isVipChannelEnabled(), addr),
            request, timeoutMillis);
        assert response != null;
        switch (response.getCode()) {
            case ResponseCode.SUCCESS: {
                return true;
            }
            default:
                log.error("Failed to resume half message check logic. Remark={}", response.getRemark());
                return false;
        }
    }
}
