Java Code Examples for org.apache.rocketmq.remoting.protocol.RemotingCommand#setCode()

/**
 * 根据时间戳查询偏移量
 * @param ctx ;
 * @param request ;
 * @return ;
 * @throws RemotingCommandException ;
 */
private RemotingCommand searchOffsetByTimestamp(ChannelHandlerContext ctx,
    RemotingCommand request) throws RemotingCommandException {

    final RemotingCommand response = RemotingCommand.createResponseCommand(SearchOffsetResponseHeader.class);
    final SearchOffsetResponseHeader responseHeader = (SearchOffsetResponseHeader) response.readCustomHeader();
    final SearchOffsetRequestHeader requestHeader =
        (SearchOffsetRequestHeader) request.decodeCommandCustomHeader(SearchOffsetRequestHeader.class);

    long offset = this.brokerController.getMessageStore().getOffsetInQueueByTime(requestHeader.getTopic(), requestHeader.getQueueId(),
        requestHeader.getTimestamp());

    responseHeader.setOffset(offset);

    response.setCode(ResponseCode.SUCCESS);
    response.setRemark(null);
    return response;
}
 

private RemotingCommand getBrokerConfig(ChannelHandlerContext ctx, RemotingCommand request) {

        final RemotingCommand response = RemotingCommand.createResponseCommand(GetBrokerConfigResponseHeader.class);
        final GetBrokerConfigResponseHeader responseHeader = (GetBrokerConfigResponseHeader) response.readCustomHeader();

        String content = this.brokerController.getConfiguration().getAllConfigsFormatString();
        if (content != null && content.length() > 0) {
            try {
                response.setBody(content.getBytes(MixAll.DEFAULT_CHARSET));
            } catch (UnsupportedEncodingException e) {
                log.error("", e);

                response.setCode(ResponseCode.SYSTEM_ERROR);
                response.setRemark("UnsupportedEncodingException " + e);
                return response;
            }
        }

        responseHeader.setVersion(this.brokerController.getConfiguration().getDataVersionJson());

        response.setCode(ResponseCode.SUCCESS);
        response.setRemark(null);
        return response;
    }
 

public RemotingCommand getKVConfig(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
    final RemotingCommand response = RemotingCommand.createResponseCommand(GetKVConfigResponseHeader.class);
    final GetKVConfigResponseHeader responseHeader = (GetKVConfigResponseHeader) response.readCustomHeader();
    final GetKVConfigRequestHeader requestHeader =
        (GetKVConfigRequestHeader) request.decodeCommandCustomHeader(GetKVConfigRequestHeader.class);

    String value = this.namesrvController.getKvConfigManager().getKVConfig(
        requestHeader.getNamespace(),
        requestHeader.getKey()
    );

    if (value != null) {
        responseHeader.setValue(value);
        response.setCode(ResponseCode.SUCCESS);
        response.setRemark(null);
        return response;
    }

    response.setCode(ResponseCode.QUERY_NOT_FOUND);
    response.setRemark("No config item, Namespace: " + requestHeader.getNamespace() + " Key: " + requestHeader.getKey());
    return response;
}
 

private RemotingCommand consumeMessageDirectly(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
    final RemotingCommand response = RemotingCommand.createResponseCommand(null);
    final ConsumeMessageDirectlyResultRequestHeader requestHeader =
        (ConsumeMessageDirectlyResultRequestHeader) request
            .decodeCommandCustomHeader(ConsumeMessageDirectlyResultRequestHeader.class);

    final MessageExt msg = MessageDecoder.decode(ByteBuffer.wrap(request.getBody()));

    ConsumeMessageDirectlyResult result =
        this.mqClientFactory.consumeMessageDirectly(msg, requestHeader.getConsumerGroup(), requestHeader.getBrokerName());

    if (null != result) {
        response.setCode(ResponseCode.SUCCESS);
        response.setBody(result.encode());
    } else {
        response.setCode(ResponseCode.SYSTEM_ERROR);
        response.setRemark(String.format("The Consumer Group <%s> not exist in this consumer", requestHeader.getConsumerGroup()));
    }

    return response;
}
 

protected RemotingCommand msgContentCheck(final ChannelHandlerContext ctx,
    final SendMessageRequestHeader requestHeader, RemotingCommand request,
    final RemotingCommand response) {
    if (requestHeader.getTopic().length() > Byte.MAX_VALUE) {
        log.warn("putMessage message topic length too long {}", requestHeader.getTopic().length());
        response.setCode(ResponseCode.MESSAGE_ILLEGAL);
        return response;
    }
    if (requestHeader.getProperties() != null && requestHeader.getProperties().length() > Short.MAX_VALUE) {
        log.warn("putMessage message properties length too long {}", requestHeader.getProperties().length());
        response.setCode(ResponseCode.MESSAGE_ILLEGAL);
        return response;
    }
    if (request.getBody().length > DBMsgConstants.MAX_BODY_SIZE) {
        log.warn(" topic {}  msg body size {}  from {}", requestHeader.getTopic(),
            request.getBody().length, ChannelUtil.getRemoteIp(ctx.channel()));
        response.setRemark("msg body must be less 64KB");
        response.setCode(ResponseCode.MESSAGE_ILLEGAL);
        return response;
    }
    return response;
}
 

public RemotingCommand queryBrokerTopicConfig(ChannelHandlerContext ctx,
        RemotingCommand request) throws RemotingCommandException {
        final RemotingCommand response = RemotingCommand.createResponseCommand(QueryDataVersionResponseHeader.class);
        final QueryDataVersionResponseHeader responseHeader = (QueryDataVersionResponseHeader) response.readCustomHeader();
        final QueryDataVersionRequestHeader requestHeader =
            (QueryDataVersionRequestHeader) request.decodeCommandCustomHeader(QueryDataVersionRequestHeader.class);
        DataVersion dataVersion = DataVersion.decode(request.getBody(), DataVersion.class);

//       broker topic配置是否改变=》
        Boolean changed = this.namesrvController.getRouteInfoManager().isBrokerTopicConfigChanged(requestHeader.getBrokerAddr(), dataVersion);
        if (!changed) {
//            更新broker配置的最后更新时间=》
            this.namesrvController.getRouteInfoManager().updateBrokerInfoUpdateTimestamp(requestHeader.getBrokerAddr());
        }

//        查询namesrv的数据版本=》
        DataVersion nameSeverDataVersion = this.namesrvController.getRouteInfoManager().queryBrokerTopicConfig(requestHeader.getBrokerAddr());
        response.setCode(ResponseCode.SUCCESS);
        response.setRemark(null);

        if (nameSeverDataVersion != null) {
            response.setBody(nameSeverDataVersion.encode());
        }
        responseHeader.setChanged(changed);
        return response;
    }
 

public RemotingCommand getRouteInfoByTopic(ChannelHandlerContext ctx,
    RemotingCommand request) throws RemotingCommandException {
    final RemotingCommand response = RemotingCommand.createResponseCommand(null);
    final GetRouteInfoRequestHeader requestHeader =
        (GetRouteInfoRequestHeader) request.decodeCommandCustomHeader(GetRouteInfoRequestHeader.class);

    TopicRouteData topicRouteData = this.namesrvController.getRouteInfoManager().pickupTopicRouteData(requestHeader.getTopic());

    if (topicRouteData != null) {
        if (this.namesrvController.getNamesrvConfig().isOrderMessageEnable()) {
            String orderTopicConf =
                this.namesrvController.getKvConfigManager().getKVConfig(NamesrvUtil.NAMESPACE_ORDER_TOPIC_CONFIG,
                    requestHeader.getTopic());
            topicRouteData.setOrderTopicConf(orderTopicConf);
        }

        byte[] content = topicRouteData.encode();
        response.setBody(content);
        response.setCode(ResponseCode.SUCCESS);
        response.setRemark(null);
        return response;
    }

    response.setCode(ResponseCode.TOPIC_NOT_EXIST);
    response.setRemark("No topic route info in name server for the topic: " + requestHeader.getTopic()
        + FAQUrl.suggestTodo(FAQUrl.APPLY_TOPIC_URL));
    return response;
}
 

private RemotingCommand updateAndCreateSubscriptionGroup(ChannelHandlerContext ctx, RemotingCommand request)
    throws RemotingCommandException {
    final RemotingCommand response = RemotingCommand.createResponseCommand(null);

    log.info("updateAndCreateSubscriptionGroup called by {}", RemotingHelper.parseChannelRemoteAddr(ctx.channel()));

    SubscriptionGroupConfig config = RemotingSerializable.decode(request.getBody(), SubscriptionGroupConfig.class);
    if (config != null) {
        this.brokerController.getSubscriptionGroupManager().updateSubscriptionGroupConfig(config);
    }

    response.setCode(ResponseCode.SUCCESS);
    response.setRemark(null);
    return response;
}
 

public RemotingCommand getConsumerListByGroup(ChannelHandlerContext ctx, RemotingCommand request)
    throws RemotingCommandException {
    final RemotingCommand response =
        RemotingCommand.createResponseCommand(GetConsumerListByGroupResponseHeader.class);
    final GetConsumerListByGroupRequestHeader requestHeader =
        (GetConsumerListByGroupRequestHeader) request
            .decodeCommandCustomHeader(GetConsumerListByGroupRequestHeader.class);

    ConsumerGroupInfo consumerGroupInfo =
        this.brokerController.getConsumerManager().getConsumerGroupInfo(
            requestHeader.getConsumerGroup());
    if (consumerGroupInfo != null) {
        List<String> clientIds = consumerGroupInfo.getAllClientId();
        if (!clientIds.isEmpty()) {
            GetConsumerListByGroupResponseBody body = new GetConsumerListByGroupResponseBody();
            body.setConsumerIdList(clientIds);
            response.setBody(body.encode());
            response.setCode(ResponseCode.SUCCESS);
            response.setRemark(null);
            return response;
        } else {
            log.warn("getAllClientId failed, {} {}", requestHeader.getConsumerGroup(),
                RemotingHelper.parseChannelRemoteAddr(ctx.channel()));
        }
    } else {
        log.warn("getConsumerGroupInfo failed, {} {}", requestHeader.getConsumerGroup(),
            RemotingHelper.parseChannelRemoteAddr(ctx.channel()));
    }

    response.setCode(ResponseCode.SYSTEM_ERROR);
    response.setRemark("no consumer for this group, " + requestHeader.getConsumerGroup());
    return response;
}
 

private RemotingCommand updateConsumerOffset(ChannelHandlerContext ctx, RemotingCommand request)
    throws RemotingCommandException {
    final RemotingCommand response =
        RemotingCommand.createResponseCommand(UpdateConsumerOffsetResponseHeader.class);
    final UpdateConsumerOffsetRequestHeader requestHeader =
        (UpdateConsumerOffsetRequestHeader) request
            .decodeCommandCustomHeader(UpdateConsumerOffsetRequestHeader.class);
    this.brokerController.getConsumerOffsetManager().commitOffset(RemotingHelper.parseChannelRemoteAddr(ctx.channel()), requestHeader.getConsumerGroup(),
        requestHeader.getTopic(), requestHeader.getQueueId(), requestHeader.getCommitOffset());
    response.setCode(ResponseCode.SUCCESS);
    response.setRemark(null);
    return response;
}
 

private RemotingCommand getHasUnitSubTopicList(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
    final RemotingCommand response = RemotingCommand.createResponseCommand(null);

    byte[] body = this.namesrvController.getRouteInfoManager().getHasUnitSubTopicList();

    response.setBody(body);
    response.setCode(ResponseCode.SUCCESS);
    response.setRemark(null);
    return response;
}
 

private RemotingCommand getSystemTopicListFromNs(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
    final RemotingCommand response = RemotingCommand.createResponseCommand(null);

    byte[] body = this.namesrvController.getRouteInfoManager().getSystemTopicList();

    response.setBody(body);
    response.setCode(ResponseCode.SUCCESS);
    response.setRemark(null);
    return response;
}
 

private RemotingCommand createErrorResponse4UpdateAclConfig(RemotingCommand request) {
    RemotingCommand response = RemotingCommand.createResponseCommand(null);
    response.setCode(ResponseCode.UPDATE_AND_CREATE_ACL_CONFIG_FAILED);
    response.setOpaque(request.getOpaque());
    response.markResponseType();
    response.setRemark("corresponding to accessConfig has been updated failed");

    return response;
}
 

private RemotingCommand getHasUnitSubUnUnitTopicList(ChannelHandlerContext ctx, RemotingCommand request)
    throws RemotingCommandException {
    final RemotingCommand response = RemotingCommand.createResponseCommand(null);

    byte[] body = this.namesrvController.getRouteInfoManager().getHasUnitSubUnUnitTopicList();

    response.setBody(body);
    response.setCode(ResponseCode.SUCCESS);
    response.setRemark(null);
    return response;
}
 

private RemotingCommand updateBrokerConfig(ChannelHandlerContext ctx, RemotingCommand request) {
    final RemotingCommand response = RemotingCommand.createResponseCommand(null);

    log.info("updateBrokerConfig called by {}", RemotingHelper.parseChannelRemoteAddr(ctx.channel()));

    byte[] body = request.getBody();
    if (body != null) {
        try {
            String bodyStr = new String(body, MixAll.DEFAULT_CHARSET);
            Properties properties = MixAll.string2Properties(bodyStr);

            if (properties != null) {
                //not for ASYNC_MASTER to SYNC_MASTER or SYNC_MASTER to ASYNC_MASTER
                if (properties.containsKey(ConfigName.BROKER_ROLE) && properties.containsKey(ConfigName.BROKER_ID)) {
                    if (!brokerController.onRoleChangePre(properties)) {
                        response.setCode(ResponseCode.SYSTEM_ERROR);
                        response.setRemark("check status failed before change role");
                        return response;
                    }
                }

                BrokerRole oldBrokerRole = brokerController.getMessageStoreConfig().getBrokerRole();
                long oldBrokerId = brokerController.getBrokerConfig().getBrokerId();

                log.info("updateBrokerConfig, new config: [{}] client: {} ", properties, ctx.channel().remoteAddress());
                this.brokerController.getConfiguration().update(properties);

                if (properties.containsKey(ConfigName.BROKER_PERMISSION)) {
                    this.brokerController.registerBrokerAll(false, false);
                    this.brokerController.getTopicConfigManager().getDataVersion().nextVersion();
                }
                if (properties.containsKey(ConfigName.BROKER_ROLE) && properties.containsKey(ConfigName.BROKER_ID)) {
                    if (!brokerController.onRoleChange(oldBrokerRole, oldBrokerId)) {
                        response.setCode(ResponseCode.SYSTEM_ERROR);
                        response.setRemark("change role failed");
                        return response;
                    }
                }
            } else {
                log.error("string2Properties error");
                response.setCode(ResponseCode.SYSTEM_ERROR);
                response.setRemark("string2Properties error");
                return response;
            }
        } catch (UnsupportedEncodingException e) {
            log.error("", e);
            response.setCode(ResponseCode.SYSTEM_ERROR);
            response.setRemark("UnsupportedEncodingException " + e);
            return response;
        }
    }

    response.setCode(ResponseCode.SUCCESS);
    response.setRemark(null);
    return response;
}
 

/**
 * 校验消息是否正确，主要是消息配置方面，例如：broker是否可写，topic配置是否存在，队列编号是否正确。
 * 如果查找不到消息配置，则会进行创建
 * 该方法会对response的code、remark
 *
 * @param ctx           ctx
 * @param requestHeader 请求
 * @param response      响应
 * @return 响应
 */
@SuppressWarnings("Duplicates")
protected RemotingCommand msgCheck(final ChannelHandlerContext ctx,
                                   final SendMessageRequestHeader requestHeader, final RemotingCommand response) {
    // 检查 broker 是否有写入权限
    if (!PermName.isWriteable(this.brokerController.getBrokerConfig().getBrokerPermission())
        && this.brokerController.getTopicConfigManager().isOrderTopic(requestHeader.getTopic())) {
        response.setCode(ResponseCode.NO_PERMISSION);
        response.setRemark("the broker[" + this.brokerController.getBrokerConfig().getBrokerIP1()
            + "] sending message is forbidden");
        return response;
    }
    // 检查topic是否可以被发送。目前是{@link MixAll.DEFAULT_TOPIC}不被允许发送
    if (!this.brokerController.getTopicConfigManager().isTopicCanSendMessage(requestHeader.getTopic())) {
        String errorMsg = "the topic[" + requestHeader.getTopic() + "] is conflict with system reserved words.";
        log.warn(errorMsg);
        response.setCode(ResponseCode.SYSTEM_ERROR);
        response.setRemark(errorMsg);
        return response;
    }
    TopicConfig topicConfig = this.brokerController.getTopicConfigManager().selectTopicConfig(requestHeader.getTopic());
    if (null == topicConfig) { // 不存在topicConfig，则进行创建
        int topicSysFlag = 0;
        if (requestHeader.isUnitMode()) {
            if (requestHeader.getTopic().startsWith(MixAll.RETRY_GROUP_TOPIC_PREFIX)) {
                topicSysFlag = TopicSysFlag.buildSysFlag(false, true);  // =2
            } else {
                topicSysFlag = TopicSysFlag.buildSysFlag(true, false);  // =1
            }
        }
        // 若当前Topic不存在,则按照defaultTopic的配置创建当前Topic
        log.warn("the topic {} not exist, producer: {}", requestHeader.getTopic(), ctx.channel().remoteAddress());
        topicConfig = this.brokerController.getTopicConfigManager().createTopicInSendMessageMethod(
            requestHeader.getTopic(),
            requestHeader.getDefaultTopic(),
            RemotingHelper.parseChannelRemoteAddr(ctx.channel()),
            requestHeader.getDefaultTopicQueueNums(), topicSysFlag);
        if (null == topicConfig) {
            if (requestHeader.getTopic().startsWith(MixAll.RETRY_GROUP_TOPIC_PREFIX)) {
                topicConfig =
                    this.brokerController.getTopicConfigManager().createTopicInSendMessageBackMethod(
                        requestHeader.getTopic(), 1, PermName.PERM_WRITE | PermName.PERM_READ,
                        topicSysFlag);
            }
        }
        // 如果没配置
        if (null == topicConfig) {
            response.setCode(ResponseCode.TOPIC_NOT_EXIST);
            response.setRemark("topic[" + requestHeader.getTopic() + "] not exist, apply first please!"
                + FAQUrl.suggestTodo(FAQUrl.APPLY_TOPIC_URL));
            return response;
        }
    }
    // 队列编号是否正确
    int queueIdInt = requestHeader.getQueueId();
    int idValid = Math.max(topicConfig.getWriteQueueNums(), topicConfig.getReadQueueNums());
    if (queueIdInt >= idValid) {
        String errorInfo = String.format("request queueId[%d] is illegal, %s Producer: %s",
            queueIdInt,
            topicConfig.toString(),
            RemotingHelper.parseChannelRemoteAddr(ctx.channel()));
        log.warn(errorInfo);
        response.setCode(ResponseCode.SYSTEM_ERROR);
        response.setRemark(errorInfo);
        return response;
    }
    return response;
}
 

private RemotingCommand createResumeSuccessResponse(RemotingCommand request) {
    RemotingCommand response = RemotingCommand.createResponseCommand(null);
    response.setCode(ResponseCode.SUCCESS);
    response.setOpaque(request.getOpaque());
    return response;
}
 

private RemotingCommand sendMessage(final ChannelHandlerContext ctx, //
    final RemotingCommand request, //
    final SendMessageContext sendMessageContext, //
    final SendMessageRequestHeader requestHeader) throws RemotingCommandException {

	//init response
    final RemotingCommand response = RemotingCommand.createResponseCommand(SendMessageResponseHeader.class);
    final SendMessageResponseHeader responseHeader = (SendMessageResponseHeader) response.readCustomHeader();

    // 由于有直接返回的逻辑，所以必须要设置
    response.setOpaque(request.getOpaque());

    response.addExtField(MessageConst.PROPERTY_MSG_REGION, this.brokerController.getBrokerConfig().getRegionId());
    response.addExtField(MessageConst.PROPERTY_TRACE_SWITCH, String.valueOf(this.brokerController.getBrokerConfig().isTraceOn()));

    log.debug("receive SendMessage request command, {}", request);

    final long startTimstamp = this.brokerController.getBrokerConfig().getStartAcceptSendRequestTimeStamp();
    if (this.brokerController.getMessageStore().now() < startTimstamp) {
        response.setCode(ResponseCode.SYSTEM_ERROR);
        response.setRemark(String.format("broker unable to service, until %s", UtilAll.timeMillisToHumanString2(startTimstamp)));
        return response;
    }

    response.setCode(-1);
    super.msgCheck(ctx, requestHeader, response);
    if (response.getCode() != -1) {
        return response;
    }

    final byte[] body = request.getBody();



    int queueIdInt = requestHeader.getQueueId();
    TopicConfig topicConfig = this.brokerController.getTopicConfigManager().selectTopicConfig(requestHeader.getTopic());
    // 如果队列小于0，从可用队列随机选择
    if (queueIdInt < 0) {
        queueIdInt = Math.abs(this.random.nextInt() % 99999999) % topicConfig.getWriteQueueNums();
    }

    MessageExtBrokerInner msgInner = new MessageExtBrokerInner();
    msgInner.setTopic(requestHeader.getTopic());
    msgInner.setQueueId(queueIdInt);

    if (!handleRetryAndDLQ(requestHeader, response, request, msgInner, topicConfig)) {
        return response;
    }

    msgInner.setBody(body);
    msgInner.setFlag(requestHeader.getFlag());
    MessageAccessor.setProperties(msgInner, MessageDecoder.string2messageProperties(requestHeader.getProperties())); //设置的属性进行解码  UNIQ_ID就在里面
    msgInner.setPropertiesString(requestHeader.getProperties());
    msgInner.setBornTimestamp(requestHeader.getBornTimestamp());
    msgInner.setBornHost(ctx.channel().remoteAddress());
    msgInner.setStoreHost(this.getStoreHost());
    msgInner.setReconsumeTimes(requestHeader.getReconsumeTimes() == null ? 0 : requestHeader.getReconsumeTimes());

    if (this.brokerController.getBrokerConfig().isRejectTransactionMessage()) {
        String traFlag = msgInner.getProperty(MessageConst.PROPERTY_TRANSACTION_PREPARED);
        if (traFlag != null) {
            response.setCode(ResponseCode.NO_PERMISSION);
            response.setRemark(
                "the broker[" + this.brokerController.getBrokerConfig().getBrokerIP1() + "] sending transaction message is forbidden");
            return response;
        }
    }

    //进行存储
    PutMessageResult putMessageResult = this.brokerController.getMessageStore().putMessage(msgInner);

    return handlePutMessageResult(putMessageResult, response, request, msgInner, responseHeader, sendMessageContext, ctx, queueIdInt);

}
 

public RemotingCommand registerBrokerWithFilterServer(ChannelHandlerContext ctx, RemotingCommand request)
    throws RemotingCommandException {
    final RemotingCommand response = RemotingCommand.createResponseCommand(RegisterBrokerResponseHeader.class);
    final RegisterBrokerResponseHeader responseHeader = (RegisterBrokerResponseHeader) response.readCustomHeader();

    long start = System.currentTimeMillis();
    final RegisterBrokerRequestHeader requestHeader =
        (RegisterBrokerRequestHeader) request.decodeCommandCustomHeader(RegisterBrokerRequestHeader.class);
    long decodeCost = System.currentTimeMillis() - start;

    RegisterBrokerBody registerBrokerBody = new RegisterBrokerBody();

    long decodeBodyCost = 0;
    if (request.getBody() != null) {
        long startDecodeBody = System.currentTimeMillis();
        registerBrokerBody = RegisterBrokerBody.decode(request.getBody(), RegisterBrokerBody.class);
        decodeBodyCost = System.currentTimeMillis() - startDecodeBody;
    } else {
        registerBrokerBody.getTopicConfigSerializeWrapper().getDataVersion().setCounter(new AtomicLong(0));
        registerBrokerBody.getTopicConfigSerializeWrapper().getDataVersion().setTimestamp(0);
    }

    long startRegister = System.currentTimeMillis();
    RegisterBrokerResult result = this.namesrvController.getRouteInfoManager().registerBroker(
        requestHeader.getClusterName(),
        requestHeader.getBrokerAddr(),
        requestHeader.getBrokerName(),
        requestHeader.getBrokerId(),
        requestHeader.getHaServerAddr(),
        requestHeader.getMaxPhyOffset(),
        requestHeader.getTerm(),
        registerBrokerBody.getTopicConfigSerializeWrapper(),
        registerBrokerBody.getFilterServerList(),
        ctx.channel());
    long registerCost = System.currentTimeMillis() - startRegister;

    responseHeader.setHaServerAddr(result.getHaServerAddr());
    responseHeader.setMasterAddr(result.getMasterAddr());

    byte[] jsonValue = this.namesrvController.getKvConfigManager().getKVListByNamespace(NamesrvUtil.NAMESPACE_ORDER_TOPIC_CONFIG);
    response.setBody(jsonValue);

    response.setCode(ResponseCode.SUCCESS);
    response.setRemark(null);
    log.info("registerBrokerWithFilterServer cost:{},decodeRequest:{},decodeBody:{},registerCost:{}",
        System.currentTimeMillis() - start,
        decodeCost,
        decodeBodyCost,
        registerCost);
    return response;
}
 

private RemotingCommand sendFinalMessage(MessageExtBrokerInner msgInner) {
        final RemotingCommand response = RemotingCommand.createResponseCommand(null);
//        存储消息=》
        final PutMessageResult putMessageResult = this.brokerController.getMessageStore().putMessage(msgInner);
        if (putMessageResult != null) {
            switch (putMessageResult.getPutMessageStatus()) {
                // Success
                case PUT_OK:
                case FLUSH_DISK_TIMEOUT:
                case FLUSH_SLAVE_TIMEOUT:
                case SLAVE_NOT_AVAILABLE:
                    response.setCode(ResponseCode.SUCCESS);
                    response.setRemark(null);
                    break;
                // Failed
                case CREATE_MAPEDFILE_FAILED:
                    response.setCode(ResponseCode.SYSTEM_ERROR);
                    response.setRemark("Create mapped file failed.");
                    break;
//                    消息太大
                case MESSAGE_ILLEGAL:
//                    消息属性太大
                case PROPERTIES_SIZE_EXCEEDED:
                    response.setCode(ResponseCode.MESSAGE_ILLEGAL);
                    response.setRemark("The message is illegal, maybe msg body or properties length not matched. msg body length limit 128k, msg properties length limit 32k.");
                    break;
                case SERVICE_NOT_AVAILABLE:
                    response.setCode(ResponseCode.SERVICE_NOT_AVAILABLE);
                    response.setRemark("Service not available now.");
                    break;
//                    系统繁忙
                case OS_PAGECACHE_BUSY:
                    response.setCode(ResponseCode.SYSTEM_ERROR);
                    response.setRemark("OS page cache busy, please try another machine");
                    break;
                case UNKNOWN_ERROR:
                    response.setCode(ResponseCode.SYSTEM_ERROR);
                    response.setRemark("UNKNOWN_ERROR");
                    break;
                default:
                    response.setCode(ResponseCode.SYSTEM_ERROR);
                    response.setRemark("UNKNOWN_ERROR DEFAULT");
                    break;
            }
            return response;
        } else {
            response.setCode(ResponseCode.SYSTEM_ERROR);
            response.setRemark("store putMessage return null");
        }
        return response;
    }