rocketmq 之namesrv（二十九）mqclient admin请求处理注册过滤服务器

注册过滤服务器AdminBrokerProcessor#registerFilterServer

AdminBrokerProcessor#processRequest#this.registerFilterServer(ctx, request)

private RemotingCommand registerFilterServer(ChannelHandlerContext ctx,
        RemotingCommand request) throws RemotingCommandException {
        final RemotingCommand response = RemotingCommand.createResponseCommand(RegisterFilterServerResponseHeader.class);
        final RegisterFilterServerResponseHeader responseHeader = (RegisterFilterServerResponseHeader) response.readCustomHeader();
        final RegisterFilterServerRequestHeader requestHeader =
            (RegisterFilterServerRequestHeader) request.decodeCommandCustomHeader(RegisterFilterServerRequestHeader.class);

        this.brokerController.getFilterServerManager().registerFilterServer(ctx.channel(), requestHeader.getFilterServerAddr());

        responseHeader.setBrokerId(this.brokerController.getBrokerConfig().getBrokerId());
        responseHeader.setBrokerName(this.brokerController.getBrokerConfig().getBrokerName());

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

FilterServerManager#registerFilterServer

public void registerFilterServer(final Channel channel, final String filterServerAddr) {
        FilterServerInfo filterServerInfo = this.filterServerTable.get(channel);
        /**同一channel的filterServer不为空时更新最后更新时间*/
        if (filterServerInfo != null) {
            filterServerInfo.setLastUpdateTimestamp(System.currentTimeMillis());
        } else {
            /**该channel的filterServer为空时将过滤服务器信息设置到filterServerTable*/
            filterServerInfo = new FilterServerInfo();
            filterServerInfo.setFilterServerAddr(filterServerAddr);
            filterServerInfo.setLastUpdateTimestamp(System.currentTimeMillis());
            this.filterServerTable.put(channel, filterServerInfo);
            log.info("Receive a New Filter Server<{}>", filterServerAddr);
        }
    }

附：

RocketMQ Filtersrv详解