import com.alibaba.rocketmq.common.MQVersion; //导入依赖的package包/类
public void reportConsumerRunningInfo(final String consumerGroup) throws InterruptedException,
        MQBrokerException, RemotingException, MQClientException {
    ConsumerConnection cc = defaultMQAdminExt.examineConsumerConnectionInfo(consumerGroup);
    TreeMap<String, ConsumerRunningInfo> infoMap = new TreeMap<String, ConsumerRunningInfo>();
    for (Connection c : cc.getConnectionSet()) {
        String clientId = c.getClientId();
        if (c.getVersion() < MQVersion.Version.V3_1_8_SNAPSHOT.ordinal()) {
            continue;
        }

        try {
            ConsumerRunningInfo info =
                    defaultMQAdminExt.getConsumerRunningInfo(consumerGroup, clientId, false);
            infoMap.put(clientId, info);
        }
        catch (Exception e) {
        }
    }

    if (!infoMap.isEmpty()) {
        this.monitorListener.reportConsumerRunningInfo(infoMap);
    }
}
 

import com.alibaba.rocketmq.common.MQVersion; //导入依赖的package包/类
private HashMap<String, String> prepareRuntimeInfo() {
    //DefaultMessageStore.getRuntimeInfo
    HashMap<String, String> runtimeInfo = this.brokerController.getMessageStore().getRuntimeInfo();
    runtimeInfo.put("brokerVersionDesc", MQVersion.getVersionDesc(MQVersion.CurrentVersion));
    runtimeInfo.put("brokerVersion", String.valueOf(MQVersion.CurrentVersion));

    runtimeInfo.put("msgPutTotalYesterdayMorning",
        String.valueOf(this.brokerController.getBrokerStats().getMsgPutTotalYesterdayMorning()));
    runtimeInfo.put("msgPutTotalTodayMorning", String.valueOf(this.brokerController.getBrokerStats().getMsgPutTotalTodayMorning()));
    runtimeInfo.put("msgPutTotalTodayNow", String.valueOf(this.brokerController.getBrokerStats().getMsgPutTotalTodayNow()));

    runtimeInfo.put("msgGetTotalYesterdayMorning",
        String.valueOf(this.brokerController.getBrokerStats().getMsgGetTotalYesterdayMorning()));
    runtimeInfo.put("msgGetTotalTodayMorning", String.valueOf(this.brokerController.getBrokerStats().getMsgGetTotalTodayMorning()));
    runtimeInfo.put("msgGetTotalTodayNow", String.valueOf(this.brokerController.getBrokerStats().getMsgGetTotalTodayNow()));

    runtimeInfo.put("sendThreadPoolQueueSize", String.valueOf(this.brokerController.getSendThreadPoolQueue().size()));

    runtimeInfo.put("sendThreadPoolQueueCapacity",
        String.valueOf(this.brokerController.getBrokerConfig().getSendThreadPoolQueueCapacity()));

    runtimeInfo.put("dispatchBehindBytes", String.valueOf(this.brokerController.getMessageStore().dispatchBehindBytes()));
    return runtimeInfo;
}
 

import com.alibaba.rocketmq.common.MQVersion; //导入依赖的package包/类
private HashMap<String, String> prepareRuntimeInfo() {
    HashMap<String, String> runtimeInfo = this.brokerController.getMessageStore().getRuntimeInfo();
    runtimeInfo.put("brokerVersionDesc", MQVersion.getVersionDesc(MQVersion.CurrentVersion));
    runtimeInfo.put("brokerVersion", String.valueOf(MQVersion.CurrentVersion));

    runtimeInfo.put("msgPutTotalYesterdayMorning",
            String.valueOf(this.brokerController.getBrokerStats().getMsgPutTotalYesterdayMorning()));
    runtimeInfo.put("msgPutTotalTodayMorning", String.valueOf(this.brokerController.getBrokerStats().getMsgPutTotalTodayMorning()));
    runtimeInfo.put("msgPutTotalTodayNow", String.valueOf(this.brokerController.getBrokerStats().getMsgPutTotalTodayNow()));

    runtimeInfo.put("msgGetTotalYesterdayMorning",
            String.valueOf(this.brokerController.getBrokerStats().getMsgGetTotalYesterdayMorning()));
    runtimeInfo.put("msgGetTotalTodayMorning", String.valueOf(this.brokerController.getBrokerStats().getMsgGetTotalTodayMorning()));
    runtimeInfo.put("msgGetTotalTodayNow", String.valueOf(this.brokerController.getBrokerStats().getMsgGetTotalTodayNow()));

    runtimeInfo.put("sendThreadPoolQueueSize", String.valueOf(this.brokerController.getSendThreadPoolQueue().size()));

    runtimeInfo.put("sendThreadPoolQueueCapacity",
            String.valueOf(this.brokerController.getBrokerConfig().getSendThreadPoolQueueCapacity()));

    runtimeInfo.put("dispatchBehindBytes", String.valueOf(this.brokerController.getMessageStore().dispatchBehindBytes()));
    return runtimeInfo;
}
 

import com.alibaba.rocketmq.common.MQVersion; //导入依赖的package包/类
public MQClientInstance(ClientConfig clientConfig, int instanceIndex, String clientId, RPCHook rpcHook) {
    this.clientConfig = clientConfig;
    this.instanceIndex = instanceIndex;
    this.nettyClientConfig = new NettyClientConfig();
    this.nettyClientConfig.setClientCallbackExecutorThreads(clientConfig.getClientCallbackExecutorThreads());
    this.clientRemotingProcessor = new ClientRemotingProcessor(this);
    this.mQClientAPIImpl =
            new MQClientAPIImpl(this.nettyClientConfig, this.clientRemotingProcessor, rpcHook, clientConfig.getUnitName());

    if (this.clientConfig.getNamesrvAddr() != null) {
        this.mQClientAPIImpl.updateNameServerAddressList(this.clientConfig.getNamesrvAddr());
        log.info("user specified name server address: {}", this.clientConfig.getNamesrvAddr());
    }

    this.clientId = clientId;

    this.mQAdminImpl = new MQAdminImpl(this);

    this.pullMessageService = new PullMessageService(this);

    this.rebalanceService = new RebalanceService(this);

    this.defaultMQProducer = new DefaultMQProducer(MixAll.CLIENT_INNER_PRODUCER_GROUP);
    this.defaultMQProducer.resetClientConfig(clientConfig);

    this.consumerStatsManager = new ConsumerStatsManager(this.scheduledExecutorService);

    log.info("created a new client Instance, FactoryIndex: {} ClinetID: {} {} {}, serializeType={}",//
        this.instanceIndex, //
        this.clientId, //
        this.clientConfig, //
        MQVersion.getVersionDesc(MQVersion.CurrentVersion), RemotingCommand.getSerializeTypeConfigInThisServer());
}
 

import com.alibaba.rocketmq.common.MQVersion; //导入依赖的package包/类
@Override
public void execute(CommandLine commandLine, Options options, RPCHook rpcHook) {
    DefaultMQAdminExt defaultMQAdminExt = new DefaultMQAdminExt(rpcHook);

    defaultMQAdminExt.setInstanceName(Long.toString(System.currentTimeMillis()));

    try {
        defaultMQAdminExt.start();

        String group = commandLine.getOptionValue('g').trim();
        String topic = commandLine.getOptionValue('t').trim();

        ProducerConnection pc = defaultMQAdminExt.examineProducerConnectionInfo(group, topic);

        int i = 1;
        for (Connection conn : pc.getConnectionSet()) {
            System.out.printf("%04d  %-32s %-22s %-8s %s\n",//
                i++,//
                conn.getClientId(),//
                conn.getClientAddr(),//
                conn.getLanguage(),//
                MQVersion.getVersionDesc(conn.getVersion())//
                );
        }
    }
    catch (Exception e) {
        e.printStackTrace();
    }
    finally {
        defaultMQAdminExt.shutdown();
    }
}
 

import com.alibaba.rocketmq.common.MQVersion; //导入依赖的package包/类
static private void setHeaders(HttpURLConnection conn, List<String> headers, String encoding) {
    if (null != headers) {
        for (Iterator<String> iter = headers.iterator(); iter.hasNext();) {
            conn.addRequestProperty(iter.next(), iter.next());
        }
    }
    conn.addRequestProperty("Client-Version", MQVersion.getVersionDesc(MQVersion.CurrentVersion));
    conn.addRequestProperty("Content-Type", "application/x-www-form-urlencoded;charset=" + encoding);

    String ts = String.valueOf(System.currentTimeMillis());
    conn.addRequestProperty("Metaq-Client-RequestTS", ts);
}
 

import com.alibaba.rocketmq.common.MQVersion; //导入依赖的package包/类
public MQClientInstance(ClientConfig clientConfig, int instanceIndex, String clientId, RPCHook rpcHook) {
    this.clientConfig = clientConfig;
    this.instanceIndex = instanceIndex;
    this.nettyClientConfig = new NettyClientConfig();
    this.nettyClientConfig.setClientCallbackExecutorThreads(clientConfig.getClientCallbackExecutorThreads());
    this.clientRemotingProcessor = new ClientRemotingProcessor(this);
    this.mQClientAPIImpl =
            new MQClientAPIImpl(this.nettyClientConfig, this.clientRemotingProcessor, rpcHook, clientConfig.getUnitName());

    if (this.clientConfig.getNamesrvAddr() != null) {
        this.mQClientAPIImpl.updateNameServerAddressList(this.clientConfig.getNamesrvAddr());
        log.info("user specified name server address: {}", this.clientConfig.getNamesrvAddr());
    }

    this.clientId = clientId;

    this.mQAdminImpl = new MQAdminImpl(this);

    this.pullMessageService = new PullMessageService(this);

    this.rebalanceService = new RebalanceService(this);

    this.defaultMQProducer = new DefaultMQProducer(MixAll.CLIENT_INNER_PRODUCER_GROUP);
    this.defaultMQProducer.resetClientConfig(clientConfig);

    this.consumerStatsManager = new ConsumerStatsManager(this.scheduledExecutorService);

    log.info("created a new client Instance, FactoryIndex: {} ClinetID: {} {} {}, serializeType={}",//
            this.instanceIndex, //
            this.clientId, //
            this.clientConfig, //
            MQVersion.getVersionDesc(MQVersion.CurrentVersion), RemotingCommand.getSerializeTypeConfigInThisServer());
}
 

import com.alibaba.rocketmq.common.MQVersion; //导入依赖的package包/类
public MQClientInstance(ClientConfig clientConfig, int instanceIndex, String clientId) {
    this.clientConfig = clientConfig;
    this.instanceIndex = instanceIndex;
    this.nettyClientConfig = new NettyClientConfig();
    this.nettyClientConfig.setClientCallbackExecutorThreads(clientConfig
        .getClientCallbackExecutorThreads());
    this.clientRemotingProcessor = new ClientRemotingProcessor(this);
    this.mQClientAPIImpl = new MQClientAPIImpl(this.nettyClientConfig, this.clientRemotingProcessor);

    if (this.clientConfig.getNamesrvAddr() != null) {
        this.mQClientAPIImpl.updateNameServerAddressList(this.clientConfig.getNamesrvAddr());
        log.info("user specfied name server address: {}", this.clientConfig.getNamesrvAddr());
    }

    this.clientId = clientId;

    this.mQAdminImpl = new MQAdminImpl(this);

    this.pullMessageService = new PullMessageService(this);

    this.rebalanceService = new RebalanceService(this);

    this.defaultMQProducer = new DefaultMQProducer(MixAll.CLIENT_INNER_PRODUCER_GROUP);
    this.defaultMQProducer.resetClientConfig(clientConfig);

    log.info("created a new client fatory, FactoryIndex: {} ClinetID: {} {} {}",//
        this.instanceIndex, //
        this.clientId, //
        this.clientConfig, //
        MQVersion.getVersionDesc(MQVersion.CurrentVersion));
}
 

import com.alibaba.rocketmq.common.MQVersion; //导入依赖的package包/类
@Override
public void execute(CommandLine commandLine, Options options) {
    DefaultMQAdminExt defaultMQAdminExt = new DefaultMQAdminExt();

    defaultMQAdminExt.setInstanceName(Long.toString(System.currentTimeMillis()));

    try {
        defaultMQAdminExt.start();

        String group = commandLine.getOptionValue('g').trim();
        String topic = commandLine.getOptionValue('t').trim();

        ProducerConnection pc = defaultMQAdminExt.examineProducerConnectionInfo(group, topic);

        int i = 1;
        for (Connection conn : pc.getConnectionSet()) {
            System.out.printf("%04d  %-32s %-22s %-8s %s\n",//
                i++,//
                conn.getClientId(),//
                conn.getClientAddr(),//
                conn.getLanguage(),//
                MQVersion.getVersionDesc(conn.getVersion())//
                );
        }
    }
    catch (Exception e) {
        e.printStackTrace();
    }
    finally {
        defaultMQAdminExt.shutdown();
    }
}
 

import com.alibaba.rocketmq.common.MQVersion; //导入依赖的package包/类
private HashMap<String, String> prepareRuntimeInfo() {
    HashMap<String, String> runtimeInfo = this.brokerController.getMessageStore().getRuntimeInfo();
    runtimeInfo.put("brokerVersionDesc", MQVersion.getVersionDesc(MQVersion.CurrentVersion));
    runtimeInfo.put("brokerVersion", String.valueOf(MQVersion.CurrentVersion));

    runtimeInfo.put("msgPutTotalYesterdayMorning",
        String.valueOf(this.brokerController.getBrokerStats().getMsgPutTotalYesterdayMorning()));
    runtimeInfo.put("msgPutTotalTodayMorning",
        String.valueOf(this.brokerController.getBrokerStats().getMsgPutTotalTodayMorning()));
    runtimeInfo.put("msgPutTotalTodayNow",
        String.valueOf(this.brokerController.getBrokerStats().getMsgPutTotalTodayNow()));

    runtimeInfo.put("msgGetTotalYesterdayMorning",
        String.valueOf(this.brokerController.getBrokerStats().getMsgGetTotalYesterdayMorning()));
    runtimeInfo.put("msgGetTotalTodayMorning",
        String.valueOf(this.brokerController.getBrokerStats().getMsgGetTotalTodayMorning()));
    runtimeInfo.put("msgGetTotalTodayNow",
        String.valueOf(this.brokerController.getBrokerStats().getMsgGetTotalTodayNow()));

    runtimeInfo.put("sendThreadPoolQueueSize",
        String.valueOf(this.brokerController.getSendThreadPoolQueue().size()));

    runtimeInfo.put("sendThreadPoolQueueCapacity",
        String.valueOf(this.brokerController.getBrokerConfig().getSendThreadPoolQueueCapacity()));

    return runtimeInfo;
}
 

import com.alibaba.rocketmq.common.MQVersion; //导入依赖的package包/类
static private void setHeaders(HttpURLConnection conn, List<String> headers, String encoding) {
    if (null != headers) {
        for (Iterator<String> iter = headers.iterator(); iter.hasNext();) {
            conn.addRequestProperty(iter.next(), iter.next());
        }
    }
    conn.addRequestProperty("Client-Version", MQVersion.getVersionDesc(MQVersion.CurrentVersion));
    conn.addRequestProperty("Content-Type", "application/x-www-form-urlencoded;charset=" + encoding);

    // 其它
    String ts = String.valueOf(System.currentTimeMillis());
    conn.addRequestProperty("Metaq-Client-RequestTS", ts);
}
 

import com.alibaba.rocketmq.common.MQVersion; //导入依赖的package包/类
public MQClientFactory(ClientConfig clientConfig, int factoryIndex, String clientId) {
    this.clientConfig = clientConfig;
    this.factoryIndex = factoryIndex;
    this.nettyClientConfig = new NettyClientConfig();
    this.nettyClientConfig.setClientCallbackExecutorThreads(clientConfig
        .getClientCallbackExecutorThreads());
    this.clientRemotingProcessor = new ClientRemotingProcessor(this);
    this.mQClientAPIImpl = new MQClientAPIImpl(this.nettyClientConfig, this.clientRemotingProcessor);

    if (this.clientConfig.getNamesrvAddr() != null) {
        this.mQClientAPIImpl.updateNameServerAddressList(this.clientConfig.getNamesrvAddr());
        log.info("user specfied name server address: {}", this.clientConfig.getNamesrvAddr());
    }

    this.clientId = clientId;

    this.mQAdminImpl = new MQAdminImpl(this);

    this.pullMessageService = new PullMessageService(this);

    this.rebalanceService = new RebalanceService(this);

    this.defaultMQProducer = new DefaultMQProducer(MixAll.CLIENT_INNER_PRODUCER_GROUP);
    this.defaultMQProducer.resetClientConfig(clientConfig);

    log.info("created a new client fatory, FactoryIndex: {} ClinetID: {} {} {}",//
        this.factoryIndex, //
        this.clientId, //
        this.clientConfig, //
        MQVersion.getVersionDesc(MQVersion.CurrentVersion));
}
 

import com.alibaba.rocketmq.common.MQVersion; //导入依赖的package包/类
@Override
public RemotingCommand processRequest(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
    if (log.isDebugEnabled()) {
        log.debug("receive request, {} {} {}",//
            request.getCode(), //
            RemotingHelper.parseChannelRemoteAddr(ctx.channel()), //
            request);
    }

    switch (request.getCode()) {
    //sh mqadmin updateKvConfig相关
    //sh mqadmin updateKvConfig相关
    case RequestCode.PUT_KV_CONFIG:
        return this.putKVConfig(ctx, request);
    case RequestCode.GET_KV_CONFIG:
        return this.getKVConfig(ctx, request);
    case RequestCode.DELETE_KV_CONFIG:
        return this.deleteKVConfig(ctx, request);

    /*注册broker到nameserver. */
    //broker感知到又新的topic 获取topic更新 删除，都会通知到所有nameserver
    // 都会发送该报文，除了通知为，也是broker与nameserver的保活报文//把broker维护的topic配置推送给namserver, 同时把broker注册到Nameserver 或者BrokerController.start 每隔30s定时时间到，
    // 都会发送该报文，除了通知为，也是broker与nameserver的保活报文
    case RequestCode.REGISTER_BROKER:
        Version brokerVersion = MQVersion.value2Version(request.getVersion());
        if (brokerVersion.ordinal() >= MQVersion.Version.V3_0_11.ordinal()) { //broker版本高于3.0.11， 则和过滤服务器一起注册。
            return this.registerBrokerWithFilterServer(ctx, request);
        }
        else {
            return this.registerBroker(ctx, request);
        }
    case RequestCode.UNREGISTER_BROKER:
        return this.unregisterBroker(ctx, request);
    //获取topic路由信息。
    case RequestCode.GET_ROUTEINTO_BY_TOPIC:
        return this.getRouteInfoByTopic(ctx, request);
    case RequestCode.GET_BROKER_CLUSTER_INFO:
        return this.getBrokerClusterInfo(ctx, request);
    case RequestCode.WIPE_WRITE_PERM_OF_BROKER:
        return this.wipeWritePermOfBroker(ctx, request);
    case RequestCode.GET_ALL_TOPIC_LIST_FROM_NAMESERVER:
        return getAllTopicListFromNameserver(ctx, request);
    case RequestCode.DELETE_TOPIC_IN_NAMESRV:
        return deleteTopicInNamesrv(ctx, request);
    case RequestCode.GET_KVLIST_BY_NAMESPACE:
        return this.getKVListByNamespace(ctx, request);
    case RequestCode.GET_TOPICS_BY_CLUSTER:
        return this.getTopicsByCluster(ctx, request);
    case RequestCode.GET_SYSTEM_TOPIC_LIST_FROM_NS:
        return this.getSystemTopicListFromNs(ctx, request);
    case RequestCode.GET_UNIT_TOPIC_LIST:
        return this.getUnitTopicList(ctx, request);
    case RequestCode.GET_HAS_UNIT_SUB_TOPIC_LIST:
        return this.getHasUnitSubTopicList(ctx, request);
    case RequestCode.GET_HAS_UNIT_SUB_UNUNIT_TOPIC_LIST:
        return this.getHasUnitSubUnUnitTopicList(ctx, request);
    default:
        break;
    }
    return null;
}
 

import com.alibaba.rocketmq.common.MQVersion; //导入依赖的package包/类
public String versionDesc() {
    if (this.count != 0) {
        return MQVersion.getVersionDesc(this.version);
    }
    return "";
}
 

import com.alibaba.rocketmq.common.MQVersion; //导入依赖的package包/类
@Override
public void execute(CommandLine commandLine, Options options, RPCHook rpcHook) {
    DefaultMQAdminExt defaultMQAdminExt = new DefaultMQAdminExt(rpcHook);

    defaultMQAdminExt.setInstanceName(Long.toString(System.currentTimeMillis()));

    try {
        defaultMQAdminExt.start();

        String group = commandLine.getOptionValue('g').trim();

        ConsumerConnection cc = defaultMQAdminExt.examineConsumerConnectionInfo(group);

        int i = 1;
        for (Connection conn : cc.getConnectionSet()) {
            System.out.printf("%03d  %-32s %-22s %-8s %s\n",//
                i++,//
                conn.getClientId(),//
                conn.getClientAddr(),//
                conn.getLanguage(),//
                MQVersion.getVersionDesc(conn.getVersion())//
                );
        }

        System.out.println("\nBelow is subscription:");
        Iterator<Entry<String, SubscriptionData>> it = cc.getSubscriptionTable().entrySet().iterator();
        i = 1;
        while (it.hasNext()) {
            Entry<String, SubscriptionData> entry = it.next();
            SubscriptionData sd = entry.getValue();
            System.out.printf("%03d  Topic: %-40s SubExpression: %s\n",//
                i++,//
                sd.getTopic(),//
                sd.getSubString()//
                );
        }

        System.out.println("");
        System.out.printf("ConsumeType: %s\n", cc.getConsumeType());
        System.out.printf("MessageModel: %s\n", cc.getMessageModel());
        System.out.printf("ConsumeFromWhere: %s\n", cc.getConsumeFromWhere());
    }
    catch (Exception e) {
        e.printStackTrace();
    }
    finally {
        defaultMQAdminExt.shutdown();
    }
}
 

import com.alibaba.rocketmq.common.MQVersion; //导入依赖的package包/类
@Override
public RemotingCommand processRequest(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
    if (log.isDebugEnabled()) {
        log.debug("receive request, {} {} {}",//
                request.getCode(), //
                RemotingHelper.parseChannelRemoteAddr(ctx.channel()), //
                request);
    }

    switch (request.getCode()) {
        case RequestCode.PUT_KV_CONFIG:
            return this.putKVConfig(ctx, request);
        case RequestCode.GET_KV_CONFIG:
            return this.getKVConfig(ctx, request);
        case RequestCode.DELETE_KV_CONFIG:
            return this.deleteKVConfig(ctx, request);
        case RequestCode.REGISTER_BROKER:

            //Broker注册
            Version brokerVersion = MQVersion.value2Version(request.getVersion());
            if (brokerVersion.ordinal() >= MQVersion.Version.V3_0_11.ordinal()) {
                return this.registerBrokerWithFilterServer(ctx, request);
            } else {
                return this.registerBroker(ctx, request);
            }

        case RequestCode.UNREGISTER_BROKER:
            return this.unregisterBroker(ctx, request);
        case RequestCode.GET_ROUTEINTO_BY_TOPIC:
            return this.getRouteInfoByTopic(ctx, request);
        case RequestCode.GET_BROKER_CLUSTER_INFO:
            return this.getBrokerClusterInfo(ctx, request);
        case RequestCode.WIPE_WRITE_PERM_OF_BROKER:
            return this.wipeWritePermOfBroker(ctx, request);
        case RequestCode.GET_ALL_TOPIC_LIST_FROM_NAMESERVER:
            return getAllTopicListFromNameserver(ctx, request);
        case RequestCode.DELETE_TOPIC_IN_NAMESRV:
            return deleteTopicInNamesrv(ctx, request);
        case RequestCode.GET_KVLIST_BY_NAMESPACE:
            return this.getKVListByNamespace(ctx, request);
        case RequestCode.GET_TOPICS_BY_CLUSTER:
            return this.getTopicsByCluster(ctx, request);
        case RequestCode.GET_SYSTEM_TOPIC_LIST_FROM_NS:
            return this.getSystemTopicListFromNs(ctx, request);
        case RequestCode.GET_UNIT_TOPIC_LIST:
            return this.getUnitTopicList(ctx, request);
        case RequestCode.GET_HAS_UNIT_SUB_TOPIC_LIST:
            return this.getHasUnitSubTopicList(ctx, request);
        case RequestCode.GET_HAS_UNIT_SUB_UNUNIT_TOPIC_LIST:
            return this.getHasUnitSubUnUnitTopicList(ctx, request);
        default:
            break;
    }
    return null;
}
 

import com.alibaba.rocketmq.common.MQVersion; //导入依赖的package包/类
@Override
public RemotingCommand processRequest(ChannelHandlerContext ctx, RemotingCommand request)
        throws RemotingCommandException {
    if (log.isDebugEnabled()) {
        log.debug("receive request, {} {} {}",//
            request.getCode(), //
            RemotingHelper.parseChannelRemoteAddr(ctx.channel()), //
            request);
    }

    switch (request.getCode()) {
    case RequestCode.PUT_KV_CONFIG:
        return this.putKVConfig(ctx, request);
    case RequestCode.GET_KV_CONFIG:
        return this.getKVConfig(ctx, request);
    case RequestCode.DELETE_KV_CONFIG:
        return this.deleteKVConfig(ctx, request);
    case RequestCode.REGISTER_BROKER:
        Version brokerVersion = MQVersion.value2Version(request.getVersion());
        // 新版本Broker，支持Filter Server
        if (brokerVersion.ordinal() >= MQVersion.Version.V3_0_10_SNAPSHOT.ordinal()) {
            return this.registerBrokerWithFilterServer(ctx, request);
        }
        // 低版本Broker，不支持Filter Server
        else {
            return this.registerBroker(ctx, request);
        }
    case RequestCode.UNREGISTER_BROKER:
        return this.unregisterBroker(ctx, request);
    case RequestCode.GET_ROUTEINTO_BY_TOPIC:
        return this.getRouteInfoByTopic(ctx, request);
    case RequestCode.GET_BROKER_CLUSTER_INFO:
        return this.getBrokerClusterInfo(ctx, request);
    case RequestCode.WIPE_WRITE_PERM_OF_BROKER:
        return this.wipeWritePermOfBroker(ctx, request);
    case RequestCode.GET_ALL_TOPIC_LIST_FROM_NAMESERVER:
        return getAllTopicListFromNameserver(ctx, request);
    case RequestCode.DELETE_TOPIC_IN_NAMESRV:
        return deleteTopicInNamesrv(ctx, request);
    case RequestCode.GET_KV_CONFIG_BY_VALUE:
        return getKVConfigByValue(ctx, request);
    case RequestCode.DELETE_KV_CONFIG_BY_VALUE:
        return deleteKVConfigByValue(ctx, request);
    case RequestCode.GET_KVLIST_BY_NAMESPACE:
        return this.getKVListByNamespace(ctx, request);
    case RequestCode.GET_TOPICS_BY_CLUSTER:
        return this.getTopicsByCluster(ctx, request);
    default:
        break;
    }
    return null;
}
 

import com.alibaba.rocketmq.common.MQVersion; //导入依赖的package包/类
@Override
public void execute(CommandLine commandLine, Options options) {
    DefaultMQAdminExt defaultMQAdminExt = new DefaultMQAdminExt();

    defaultMQAdminExt.setInstanceName(Long.toString(System.currentTimeMillis()));

    try {
        defaultMQAdminExt.start();

        String group = commandLine.getOptionValue('g').trim();

        ConsumerConnection cc = defaultMQAdminExt.examineConsumerConnectionInfo(group);

        // 打印连接
        int i = 1;
        for (Connection conn : cc.getConnectionSet()) {
            System.out.printf("%03d  %-32s %-22s %-8s %s\n",//
                i++,//
                conn.getClientId(),//
                conn.getClientAddr(),//
                conn.getLanguage(),//
                MQVersion.getVersionDesc(conn.getVersion())//
                );
        }

        // 打印订阅关系
        System.out.println("\nBelow is subscription:");
        Iterator<Entry<String, SubscriptionData>> it = cc.getSubscriptionTable().entrySet().iterator();
        i = 1;
        while (it.hasNext()) {
            Entry<String, SubscriptionData> entry = it.next();
            SubscriptionData sd = entry.getValue();
            System.out.printf("%03d  Topic: %-40s SubExpression: %s\n",//
                i++,//
                sd.getTopic(),//
                sd.getSubString()//
                );
        }

        // 打印其他订阅参数
        System.out.println("");
        System.out.printf("ConsumeType: %s\n", cc.getConsumeType());
        System.out.printf("MessageModel: %s\n", cc.getMessageModel());
        System.out.printf("ConsumeFromWhere: %s\n", cc.getConsumeFromWhere());
    }
    catch (Exception e) {
        e.printStackTrace();
    }
    finally {
        defaultMQAdminExt.shutdown();
    }
}
 

import com.alibaba.rocketmq.common.MQVersion; //导入依赖的package包/类
/**
 * Broker 主动通知 Consumer，offset 需要进行重置列表发生变化
 */
public RemotingCommand resetOffset(String topic, String group, long timeStamp, boolean isForce) {
    final RemotingCommand response = RemotingCommand.createResponseCommand(null);

    TopicConfig topicConfig = this.brokerController.getTopicConfigManager().selectTopicConfig(topic);
    if (null == topicConfig) {
        log.error("[reset-offset] reset offset failed, no topic in this broker. topic={}", topic);
        response.setCode(ResponseCode.SYSTEM_ERROR);
        response.setRemark("[reset-offset] reset offset failed, no topic in this broker. topic=" + topic);
        return response;
    }

    Map<MessageQueue, Long> offsetTable = new HashMap<MessageQueue, Long>();
    for (int i = 0; i < topicConfig.getWriteQueueNums(); i++) {
        MessageQueue mq = new MessageQueue();
        mq.setBrokerName(this.brokerController.getBrokerConfig().getBrokerName());
        mq.setTopic(topic);
        mq.setQueueId(i);

        long consumerOffset =
                this.brokerController.getConsumerOffsetManager().queryOffset(group, topic, i);
        long timeStampOffset =
                this.brokerController.getMessageStore().getOffsetInQueueByTime(topic, i, timeStamp);
        if (isForce || timeStampOffset < consumerOffset) {
            offsetTable.put(mq, timeStampOffset);
        }
        else {
            offsetTable.put(mq, consumerOffset);
        }
    }

    ResetOffsetRequestHeader requestHeader = new ResetOffsetRequestHeader();
    requestHeader.setTopic(topic);
    requestHeader.setGroup(group);
    requestHeader.setTimestamp(timeStamp);
    RemotingCommand request =
            RemotingCommand.createRequestCommand(RequestCode.RESET_CONSUMER_CLIENT_OFFSET, requestHeader);
    ResetOffsetBody body = new ResetOffsetBody();
    body.setOffsetTable(offsetTable);
    request.setBody(body.encode());

    ConcurrentHashMap<Channel, ClientChannelInfo> channelInfoTable =
            this.brokerController.getConsumerManager().getConsumerGroupInfo(group).getChannelInfoTable();
    for (Channel channel : channelInfoTable.keySet()) {
        int version = channelInfoTable.get(channel).getVersion();
        if (version >= MQVersion.Version.V3_0_7_SNAPSHOT.ordinal()) {
            try {
                this.brokerController.getRemotingServer().invokeOneway(channel, request, 5000);
                log.info("[reset-offset] reset offset success. topic={}, group={}, clientId={}",
                    new Object[] { topic, group, channelInfoTable.get(channel).getClientId() });
            }
            catch (Exception e) {
                log.error("[reset-offset] reset offset exception. topic={}, group={}",
                    new Object[] { topic, group }, e);
            }
        }
        else {
            // 如果有一个客户端是不支持该功能的，则直接返回错误，需要应用方升级。
            response.setCode(ResponseCode.SYSTEM_ERROR);
            response.setRemark("the client does not support this feature. version="
                    + MQVersion.getVersionDesc(version));
            log.warn("[reset-offset] the client does not support this feature. version={}",
                RemotingHelper.parseChannelRemoteAddr(channel), MQVersion.getVersionDesc(version));
            return response;
        }
    }

    response.setCode(ResponseCode.SUCCESS);
    ResetOffsetBody resBody = new ResetOffsetBody();
    resBody.setOffsetTable(offsetTable);
    response.setBody(resBody.encode());
    return response;
}
 

import com.alibaba.rocketmq.common.MQVersion; //导入依赖的package包/类
/**
 * Broker 主动通知 Consumer，offset 需要进行重置列表发生变化
 */
public RemotingCommand resetOffset(String topic, String group, long timeStamp, boolean isForce) {
    final RemotingCommand response = RemotingCommand.createResponseCommand(null);

    TopicConfig topicConfig = this.brokerController.getTopicConfigManager().selectTopicConfig(topic);
    if (null == topicConfig) {
        log.error("[reset-offset] reset offset failed, no topic in this broker. topic={}", topic);
        response.setCode(RemotingProtos.ResponseCode.SYSTEM_ERROR_VALUE);
        response.setRemark("[reset-offset] reset offset failed, no topic in this broker. topic=" + topic);
        return response;
    }

    Map<MessageQueue, Long> offsetTable = new HashMap<MessageQueue, Long>();
    for (int i = 0; i < topicConfig.getWriteQueueNums(); i++) {
        MessageQueue mq = new MessageQueue();
        mq.setBrokerName(this.brokerController.getBrokerConfig().getBrokerName());
        mq.setTopic(topic);
        mq.setQueueId(i);

        long consumerOffset =
                this.brokerController.getConsumerOffsetManager().queryOffset(group, topic, i);
        long timeStampOffset =
                this.brokerController.getMessageStore().getOffsetInQueueByTime(topic, i, timeStamp);
        if (isForce || timeStampOffset < consumerOffset) {
            offsetTable.put(mq, timeStampOffset);
        }
        else {
            offsetTable.put(mq, consumerOffset);
        }
    }

    ResetOffsetRequestHeader requestHeader = new ResetOffsetRequestHeader();
    requestHeader.setTopic(topic);
    requestHeader.setGroup(group);
    requestHeader.setTimestamp(timeStamp);
    RemotingCommand request =
            RemotingCommand.createRequestCommand(MQRequestCode.RESET_CONSUMER_CLIENT_OFFSET_VALUE,
                requestHeader);
    ResetOffsetBody body = new ResetOffsetBody();
    body.setOffsetTable(offsetTable);
    request.setBody(body.encode());

    ConcurrentHashMap<Channel, ClientChannelInfo> channelInfoTable =
            this.brokerController.getConsumerManager().getConsumerGroupInfo(group).getChannelInfoTable();
    for (Channel channel : channelInfoTable.keySet()) {
        int version = channelInfoTable.get(channel).getVersion();
        if (version >= MQVersion.Version.V3_0_7_SNAPSHOT.ordinal()) {
            try {
                this.brokerController.getRemotingServer().invokeOneway(channel, request, 5000);
                log.info("[reset-offset] reset offset success. topic={}, group={}, clientId={}",
                    new Object[] { topic, group, channelInfoTable.get(channel).getClientId() });
            }
            catch (Exception e) {
                log.error("[reset-offset] reset offset exception. topic={}, group={}",
                    new Object[] { topic, group }, e);
            }
        }
        else {
            // 如果有一个客户端是不支持该功能的，则直接返回错误，需要应用方升级。
            response.setCode(RemotingProtos.ResponseCode.SYSTEM_ERROR_VALUE);
            response.setRemark("the client does not support this feature. version=" + version);
            log.warn("[reset-offset] the client does not support this feature. version={}",
                RemotingHelper.parseChannelRemoteAddr(channel), version);
            return response;
        }
    }

    response.setCode(RemotingProtos.ResponseCode.SUCCESS_VALUE);
    ResetOffsetBody resBody = new ResetOffsetBody();
    resBody.setOffsetTable(offsetTable);
    response.setBody(resBody.encode());
    return response;
}