Java RemotingCommand.getBody方法代码示例

import com.alibaba.rocketmq.remoting.protocol.RemotingCommand; //导入方法依赖的package包/类
private PullResult processPullResponse(final RemotingCommand response) throws MQBrokerException, RemotingCommandException {
    PullStatus pullStatus = PullStatus.NO_NEW_MSG;
    switch (response.getCode()) {
    case ResponseCode.SUCCESS:
        pullStatus = PullStatus.FOUND;
        break;
    case ResponseCode.PULL_NOT_FOUND:
        pullStatus = PullStatus.NO_NEW_MSG;
        break;
    case ResponseCode.PULL_RETRY_IMMEDIATELY:
        pullStatus = PullStatus.NO_MATCHED_MSG;
        break;
    case ResponseCode.PULL_OFFSET_MOVED:
        pullStatus = PullStatus.OFFSET_ILLEGAL;
        break;

    default:
        throw new MQBrokerException(response.getCode(), response.getRemark());
    }

    PullMessageResponseHeader responseHeader =
            (PullMessageResponseHeader) response.decodeCommandCustomHeader(PullMessageResponseHeader.class);

    return new PullResultExt(pullStatus, responseHeader.getNextBeginOffset(), responseHeader.getMinOffset(),
        responseHeader.getMaxOffset(), null, responseHeader.getSuggestWhichBrokerId(), response.getBody());
}
 

import com.alibaba.rocketmq.remoting.protocol.RemotingCommand; //导入方法依赖的package包/类
@Override
public void encode(ChannelHandlerContext ctx, RemotingCommand remotingCommand, ByteBuf out)
        throws Exception {
    try {
        ByteBuffer header = remotingCommand.encodeHeader();
        out.writeBytes(header);
        byte[] body = remotingCommand.getBody();
        if (body != null) {
            out.writeBytes(body);
        }
    } catch (Exception e) {
        log.error("encode exception, " + RemotingHelper.parseChannelRemoteAddr(ctx.channel()), e);
        if (remotingCommand != null) {
            log.error(remotingCommand.toString());
        }
        RemotingUtil.closeChannel(ctx.channel());
    }
}
 

import com.alibaba.rocketmq.remoting.protocol.RemotingCommand; //导入方法依赖的package包/类
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.maxBodySize) {
        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;
}
 

import com.alibaba.rocketmq.remoting.protocol.RemotingCommand; //导入方法依赖的package包/类
public RemotingCommand resetOffset(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
    final ResetOffsetRequestHeader requestHeader =
            (ResetOffsetRequestHeader) request.decodeCommandCustomHeader(ResetOffsetRequestHeader.class);
    log.info("invoke reset offset operation from broker. brokerAddr={}, topic={}, group={}, timestamp={}",
        new Object[] { RemotingHelper.parseChannelRemoteAddr(ctx.channel()), requestHeader.getTopic(), requestHeader.getGroup(),
                      requestHeader.getTimestamp() });
    Map<MessageQueue, Long> offsetTable = new HashMap<MessageQueue, Long>();
    if (request.getBody() != null) {
        ResetOffsetBody body = ResetOffsetBody.decode(request.getBody(), ResetOffsetBody.class);
        offsetTable = body.getOffsetTable();
    }
    this.mqClientFactory.resetOffset(requestHeader.getTopic(), requestHeader.getGroup(), offsetTable);
    return null;
}
 

import com.alibaba.rocketmq.remoting.protocol.RemotingCommand; //导入方法依赖的package包/类
public RemotingCommand registerBrokerWithFilterServer(ChannelHandlerContext ctx, RemotingCommand request)
        throws RemotingCommandException {
    final RemotingCommand response = RemotingCommand.createResponseCommand(RegisterBrokerResponseHeader.class);
    final RegisterBrokerResponseHeader responseHeader = (RegisterBrokerResponseHeader) response.readCustomHeader();
    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());

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

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

import com.alibaba.rocketmq.remoting.protocol.RemotingCommand; //导入方法依赖的package包/类
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);
                if (properties.containsKey("brokerPermission")) {
                    this.brokerController.registerBrokerAll(false, false);
                    this.brokerController.getTopicConfigManager().getDataVersion().nextVersion();
                }
            }
            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;
}