Package com.alibaba.rocketmq.remoting.protocol

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

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    }


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

        String value = this.namesrvController.getKvConfigManager().getKVConfigByValue(//
            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;
    }
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    }


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

        this.namesrvController.getKvConfigManager().deleteKVConfigByValue(//
            requestHeader.getNamespace(),//
            requestHeader.getKey()//
            );

        response.setCode(ResponseCode.SUCCESS);
        response.setRemark(null);
        return response;
    }
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     * @param request
     * @return
     */
    private RemotingCommand getTopicsByCluster(ChannelHandlerContext ctx, RemotingCommand request)
            throws RemotingCommandException {
        final RemotingCommand response = RemotingCommand.createResponseCommand(null);
        final GetTopicsByClusterRequestHeader requestHeader =
                (GetTopicsByClusterRequestHeader) request
                    .decodeCommandCustomHeader(GetTopicsByClusterRequestHeader.class);

        byte[] body =
                this.namesrvController.getRouteInfoManager().getTopicsByCluster(requestHeader.getCluster());

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


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

        RegisterBrokerBody registerBrokerBody = new RegisterBrokerBody();

        if (request.getBody() != null) {
            registerBrokerBody = RegisterBrokerBody.decode(request.getBody(), RegisterBrokerBody.class);
        }
        else {
            registerBrokerBody.getTopicConfigSerializeWrapper().getDataVersion()
                .setCounter(new AtomicLong(0));
            registerBrokerBody.getTopicConfigSerializeWrapper().getDataVersion().setTimestatmp(0);
        }

        RegisterBrokerResult result = this.namesrvController.getRouteInfoManager().registerBroker(//
            requestHeader.getClusterName(), // 1
            requestHeader.getBrokerAddr(), // 2
            requestHeader.getBrokerName(), // 3
            requestHeader.getBrokerId(), // 4
            requestHeader.getHaServerAddr(),// 5
            registerBrokerBody.getTopicConfigSerializeWrapper(), // 6
            registerBrokerBody.getFilterServerList(),//
            ctx.channel()// 7
            );

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

        response.setCode(ResponseCode.SUCCESS);
        response.setRemark(null);
        return response;
    }
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    /**
     * 获取一个Namespace下的所有kv
     */
    private RemotingCommand getKVListByNamespace(ChannelHandlerContext ctx, RemotingCommand request)
            throws RemotingCommandException {
        final RemotingCommand response = RemotingCommand.createResponseCommand(null);
        final GetKVListByNamespaceRequestHeader requestHeader =
                (GetKVListByNamespaceRequestHeader) request
                    .decodeCommandCustomHeader(GetKVListByNamespaceRequestHeader.class);

        byte[] jsonValue = this.namesrvController.getKvConfigManager().getKVListByNamespace(//
            requestHeader.getNamespace());
        if (null != jsonValue) {
            response.setBody(jsonValue);
            response.setCode(ResponseCode.SUCCESS);
            response.setRemark(null);
            return response;
        }

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


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

        this.namesrvController.getRouteInfoManager().deleteTopic(requestHeader.getTopic());

        response.setCode(ResponseCode.SUCCESS);
        response.setRemark(null);
        return response;
    }
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     * @param ctx
     * @param request
     * @return
     */
    private RemotingCommand getAllTopicListFromNameserver(ChannelHandlerContext ctx, RemotingCommand request) {
        final RemotingCommand response = RemotingCommand.createResponseCommand(null);

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

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


    private RemotingCommand wipeWritePermOfBroker(ChannelHandlerContext ctx, RemotingCommand request)
            throws RemotingCommandException {
        final RemotingCommand response =
                RemotingCommand.createResponseCommand(WipeWritePermOfBrokerResponseHeader.class);
        final WipeWritePermOfBrokerResponseHeader responseHeader =
                (WipeWritePermOfBrokerResponseHeader) response.getCustomHeader();
        final WipeWritePermOfBrokerRequestHeader requestHeader =
                (WipeWritePermOfBrokerRequestHeader) request
                    .decodeCommandCustomHeader(WipeWritePermOfBrokerRequestHeader.class);

        int wipeTopicCnt =
                this.namesrvController.getRouteInfoManager().wipeWritePermOfBrokerByLock(
                    requestHeader.getBrokerName());

        log.info("wipe write perm of broker[{}], client: {}, {}", //
            requestHeader.getBrokerName(), //
            RemotingHelper.parseChannelRemoteAddr(ctx.channel()), //
            wipeTopicCnt);

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


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

        byte[] content = this.namesrvController.getRouteInfoManager().getAllClusterInfo();
        response.setBody(content);

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


    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) {
            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;
    }
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  • com.alibaba.rocketmq.broker.processor.ClientManageProcessor
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  • com.alibaba.rocketmq.broker.processor.QueryMessageProcessor
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  • com.alibaba.rocketmq.client.impl.ClientRemotingProcessor
  • com.alibaba.rocketmq.client.impl.MQAdminImpl
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