Package com.alibaba.rocketmq.remoting.protocol

Examples of com.alibaba.rocketmq.remoting.protocol.RemotingCommand

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    }


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

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

        this.brokerController.getTopicConfigManager().deleteTopicConfig(requestHeader.getTopic());
        this.brokerController.addDeleteTopicTask();

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


    private RemotingCommand getAllTopicConfig(ChannelHandlerContext ctx, RemotingCommand request) {
        final RemotingCommand response =
                RemotingCommand.createResponseCommand(GetAllTopicConfigResponseHeader.class);
        final GetAllTopicConfigResponseHeader responseHeader =
                (GetAllTopicConfigResponseHeader) response.readCustomHeader();

        String content = this.brokerController.getTopicConfigManager().encode();
        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;
            }
        }
        else {
            log.error("No topic in this broker, client: " + ctx.channel().remoteAddress());
            response.setCode(ResponseCode.SYSTEM_ERROR);
            response.setRemark("No topic in this broker");
            return response;
        }

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

        return response;
    }
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        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) {
                    log.info("updateBrokerConfig, new config: " + properties + " client: "
                            + ctx.channel().remoteAddress());
                    this.brokerController.updateAllConfig(properties);
                }
                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;
    }
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    }


    private RemotingCommand getBrokerConfig(ChannelHandlerContext ctx, RemotingCommand request) {

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

        String content = this.brokerController.encodeAllConfig();
        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.getConfigDataVersion());

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


    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;
    }
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    }


    private RemotingCommand getMaxOffset(ChannelHandlerContext ctx, RemotingCommand request)
            throws RemotingCommandException {
        final RemotingCommand response =
                RemotingCommand.createResponseCommand(GetMaxOffsetResponseHeader.class);
        final GetMaxOffsetResponseHeader responseHeader =
                (GetMaxOffsetResponseHeader) response.readCustomHeader();
        final GetMaxOffsetRequestHeader requestHeader =
                (GetMaxOffsetRequestHeader) request
                    .decodeCommandCustomHeader(GetMaxOffsetRequestHeader.class);

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

        responseHeader.setOffset(offset);

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


    private RemotingCommand getMinOffset(ChannelHandlerContext ctx, RemotingCommand request)
            throws RemotingCommandException {
        final RemotingCommand response =
                RemotingCommand.createResponseCommand(GetMinOffsetResponseHeader.class);
        final GetMinOffsetResponseHeader responseHeader =
                (GetMinOffsetResponseHeader) response.readCustomHeader();
        final GetMinOffsetRequestHeader requestHeader =
                (GetMinOffsetRequestHeader) request
                    .decodeCommandCustomHeader(GetMinOffsetRequestHeader.class);

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

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


    private RemotingCommand getEarliestMsgStoretime(ChannelHandlerContext ctx, RemotingCommand request)
            throws RemotingCommandException {
        final RemotingCommand response =
                RemotingCommand.createResponseCommand(GetEarliestMsgStoretimeResponseHeader.class);
        final GetEarliestMsgStoretimeResponseHeader responseHeader =
                (GetEarliestMsgStoretimeResponseHeader) response.readCustomHeader();
        final GetEarliestMsgStoretimeRequestHeader requestHeader =
                (GetEarliestMsgStoretimeRequestHeader) request
                    .decodeCommandCustomHeader(GetEarliestMsgStoretimeRequestHeader.class);

        long timestamp =
                this.brokerController.getMessageStore().getEarliestMessageTime(requestHeader.getTopic(),
                    requestHeader.getQueueId());

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


    private RemotingCommand updateConsumerOffset(ChannelHandlerContext ctx, RemotingCommand request)
            throws RemotingCommandException {
        final RemotingCommand response =
                RemotingCommand.createResponseCommand(UpdateConsumerOffsetResponseHeader.class);
        final UpdateConsumerOffsetResponseHeader responseHeader =
                (UpdateConsumerOffsetResponseHeader) response.readCustomHeader();
        final UpdateConsumerOffsetRequestHeader requestHeader =
                (UpdateConsumerOffsetRequestHeader) request
                    .decodeCommandCustomHeader(UpdateConsumerOffsetRequestHeader.class);

        // 消息轨迹：记录已经消费成功并提交 offset 的消息记录
        if (this.hasConsumeMessageHook()) {
            // 执行hook
            ConsumeMessageContext context = new ConsumeMessageContext();
            context.setConsumerGroup(requestHeader.getConsumerGroup());
            context.setTopic(requestHeader.getTopic());
            context.setClientHost(RemotingHelper.parseChannelRemoteAddr(ctx.channel()));
            context.setSuccess(true);
            context.setStatus(ConsumeConcurrentlyStatus.CONSUME_SUCCESS.toString());
            final SocketAddress storeHost =
                    new InetSocketAddress(brokerController.getBrokerConfig().getBrokerIP1(), brokerController
                        .getNettyServerConfig().getListenPort());

            long preOffset =
                    this.brokerController.getConsumerOffsetManager().queryOffset(
                        requestHeader.getConsumerGroup(), requestHeader.getTopic(),
                        requestHeader.getQueueId());
            Map<String, Long> messageIds =
                    this.brokerController.getMessageStore().getMessageIds(requestHeader.getTopic(),
                        requestHeader.getQueueId(), preOffset, requestHeader.getCommitOffset(), storeHost);
            context.setMessageIds(messageIds);
            this.executeConsumeMessageHookAfter(context);
        }
        this.brokerController.getConsumerOffsetManager().commitOffset(requestHeader.getConsumerGroup(),
            requestHeader.getTopic(), requestHeader.getQueueId(), requestHeader.getCommitOffset());
        response.setCode(ResponseCode.SUCCESS);
        response.setRemark(null);
        return response;
    }
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    }


    private RemotingCommand queryConsumerOffset(ChannelHandlerContext ctx, RemotingCommand request)
            throws RemotingCommandException {
        final RemotingCommand response =
                RemotingCommand.createResponseCommand(QueryConsumerOffsetResponseHeader.class);
        final QueryConsumerOffsetResponseHeader responseHeader =
                (QueryConsumerOffsetResponseHeader) response.readCustomHeader();
        final QueryConsumerOffsetRequestHeader requestHeader =
                (QueryConsumerOffsetRequestHeader) request
                    .decodeCommandCustomHeader(QueryConsumerOffsetRequestHeader.class);

        long offset =
                this.brokerController.getConsumerOffsetManager().queryOffset(
                    requestHeader.getConsumerGroup(), requestHeader.getTopic(), requestHeader.getQueueId());

        // 订阅组存在
        if (offset >= 0) {
            responseHeader.setOffset(offset);
            response.setCode(ResponseCode.SUCCESS);
            response.setRemark(null);
        }
        // 订阅组不存在
        else {
            long minOffset =
                    this.brokerController.getMessageStore().getMinOffsetInQuque(requestHeader.getTopic(),
                        requestHeader.getQueueId());
            // 订阅组不存在情况下，如果这个队列的消息最小Offset是0，则表示这个Topic上线时间不长，服务器堆积的数据也不多，那么这个订阅组就从0开始消费。
            // 尤其对于Topic队列数动态扩容时，必须要从0开始消费。
            if (minOffset <= 0) {
                responseHeader.setOffset(0L);
                response.setCode(ResponseCode.SUCCESS);
                response.setRemark(null);
            }
            // 新版本服务器不做消费进度纠正
            else {
                response.setCode(ResponseCode.QUERY_NOT_FOUND);
                response.setRemark("Not found, V3_0_6_SNAPSHOT maybe this group consumer boot first");
            }
        }

        return response;
    }
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Related Classes of com.alibaba.rocketmq.remoting.protocol.RemotingCommand

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  • com.alibaba.rocketmq.broker.out.BrokerOuterAPI
  • com.alibaba.rocketmq.broker.processor.AdminBrokerProcessor
  • com.alibaba.rocketmq.broker.processor.ClientManageProcessor
  • com.alibaba.rocketmq.broker.processor.EndTransactionProcessor
  • com.alibaba.rocketmq.broker.processor.PullMessageProcessor
  • com.alibaba.rocketmq.broker.processor.QueryMessageProcessor
  • com.alibaba.rocketmq.broker.processor.SendMessageProcessor
  • com.alibaba.rocketmq.client.impl.ClientRemotingProcessor
  • com.alibaba.rocketmq.client.impl.MQAdminImpl
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