Examples with DeserializableObject com.weibo.api.motan.serialize.DeserializableObject used on opensource projects

Example 1 with DeserializableObject

use of com.weibo.api.motan.serialize.DeserializableObject in project motan by weibocom.

the class MotanV2Codec method decode.

/**
 * decode data
 *
 * @return
 * @throws IOException
 */
@Override
public Object decode(Channel channel, String remoteIp, byte[] data) throws IOException {
    MotanV2Header header = MotanV2Header.buildHeader(data);
    Map<String, String> metaMap = new HashMap<String, String>();
    ByteBuffer buf = ByteBuffer.wrap(data);
    int metaSize = buf.getInt(HEADER_SIZE);
    int index = HEADER_SIZE + 4;
    if (metaSize > 0) {
        byte[] meta = new byte[metaSize];
        buf.position(index);
        buf.get(meta);
        metaMap = decodeMeta(meta);
        index += metaSize;
    }
    int bodySize = buf.getInt(index);
    index += 4;
    Object obj = null;
    if (bodySize > 0) {
        byte[] body = new byte[bodySize];
        buf.position(index);
        buf.get(body);
        if (header.isGzip()) {
            body = ByteUtil.unGzip(body);
        }
        // 默认自适应序列化
        Serialization serialization = getSerializationByNum(header.getSerialize());
        obj = new DeserializableObject(serialization, body);
    }
    if (header.isRequest()) {
        if (header.isHeartbeat()) {
            Request request = DefaultRpcHeartbeatFactory.getDefaultHeartbeatRequest(header.getRequestId());
            request.setRpcProtocolVersion(RpcProtocolVersion.VERSION_2.getVersion());
            return request;
        } else {
            DefaultRequest request = new DefaultRequest();
            request.setRequestId(header.getRequestId());
            request.setInterfaceName(metaMap.remove(M2_PATH));
            request.setMethodName(metaMap.remove(M2_METHOD));
            request.setParamtersDesc(metaMap.remove(M2_METHOD_DESC));
            request.setAttachments(metaMap);
            request.setRpcProtocolVersion(RpcProtocolVersion.VERSION_2.getVersion());
            request.setSerializeNumber(header.getSerialize());
            if (obj != null) {
                request.setArguments(new Object[] { obj });
            }
            if (metaMap.get(M2_GROUP) != null) {
                request.setAttachment(URLParamType.group.getName(), metaMap.get(M2_GROUP));
            }
            if (StringUtils.isNotBlank(metaMap.get(M2_VERSION))) {
                request.setAttachment(URLParamType.version.getName(), metaMap.get(M2_VERSION));
            }
            if (StringUtils.isNotBlank(metaMap.get(M2_SOURCE))) {
                request.setAttachment(URLParamType.application.getName(), metaMap.get(M2_SOURCE));
            }
            if (StringUtils.isNotBlank(metaMap.get(M2_MODULE))) {
                request.setAttachment(URLParamType.module.getName(), metaMap.get(M2_MODULE));
            }
            return request;
        }
    } else {
        if (header.isHeartbeat()) {
            return DefaultRpcHeartbeatFactory.getDefaultHeartbeatResponse(header.getRequestId());
        }
        DefaultResponse response = new DefaultResponse();
        response.setRequestId(header.getRequestId());
        response.setProcessTime(MathUtil.parseLong(metaMap.remove(M2_PROCESS_TIME), 0));
        response.setAttachments(metaMap);
        if (header.getStatus() == MotanV2Header.MessageStatus.NORMAL.getStatus()) {
            // 只解析正常消息
            response.setValue(obj);
        } else {
            String errmsg = metaMap.remove(M2_ERROR);
            Exception e = ExceptionUtil.fromMessage(errmsg);
            if (e == null) {
                e = (Exception) new MotanServiceException("default remote exception. remote errmsg:" + errmsg, false);
            }
            response.setException(e);
        }
        return response;
    }
}

Example 2 with DeserializableObject

use of com.weibo.api.motan.serialize.DeserializableObject in project motan by weibocom.

the class ProviderMessageRouter method processLazyDeserialize.

private void processLazyDeserialize(Request request, Method method) {
    if (method != null && request.getArguments() != null && request.getArguments().length == 1 && request.getArguments()[0] instanceof DeserializableObject && request instanceof DefaultRequest) {
        try {
            Object[] args = ((DeserializableObject) request.getArguments()[0]).deserializeMulti(method.getParameterTypes());
            ((DefaultRequest) request).setArguments(args);
        } catch (IOException e) {
            throw new MotanFrameworkException("deserialize parameters fail: " + request.toString() + ", error:" + e.getMessage());
        }
    }
}

Example 3 with DeserializableObject

use of com.weibo.api.motan.serialize.DeserializableObject in project motan by weibocom.

the class AbstractRefererHandler method invokeRequest.

Object invokeRequest(Request request, Class returnType, boolean async) throws Throwable {
    RpcContext curContext = RpcContext.getContext();
    curContext.putAttribute(MotanConstants.ASYNC_SUFFIX, async);
    // set rpc context attachments to request
    Map<String, String> attachments = curContext.getRpcAttachments();
    if (!attachments.isEmpty()) {
        for (Map.Entry<String, String> entry : attachments.entrySet()) {
            request.setAttachment(entry.getKey(), entry.getValue());
        }
    }
    // add to attachment if client request id is set
    if (StringUtils.isNotBlank(curContext.getClientRequestId())) {
        request.setAttachment(URLParamType.requestIdFromClient.getName(), curContext.getClientRequestId());
    }
    // 那么正常情况下只会使用A，如果A被开关降级，那么就会使用B，B也被降级，那么会使用C
    for (Cluster<T> cluster : clusters) {
        String protocolSwitcher = MotanConstants.PROTOCOL_SWITCHER_PREFIX + cluster.getUrl().getProtocol();
        Switcher switcher = switcherService.getSwitcher(protocolSwitcher);
        if (switcher != null && !switcher.isOn()) {
            continue;
        }
        request.setAttachment(URLParamType.version.getName(), cluster.getUrl().getVersion());
        request.setAttachment(URLParamType.clientGroup.getName(), cluster.getUrl().getGroup());
        // 带上client的application和module
        request.setAttachment(URLParamType.application.getName(), cluster.getUrl().getApplication());
        request.setAttachment(URLParamType.module.getName(), cluster.getUrl().getModule());
        Response response = null;
        boolean throwException = Boolean.parseBoolean(cluster.getUrl().getParameter(URLParamType.throwException.getName(), URLParamType.throwException.getValue()));
        try {
            MotanFrameworkUtil.logEvent(request, MotanConstants.TRACE_INVOKE);
            response = cluster.call(request);
            if (async) {
                if (response instanceof ResponseFuture) {
                    ((ResponseFuture) response).setReturnType(returnType);
                    return response;
                } else {
                    ResponseFuture responseFuture = new DefaultResponseFuture(request, 0, cluster.getUrl());
                    if (response.getException() != null) {
                        responseFuture.onFailure(response);
                    } else {
                        responseFuture.onSuccess(response);
                    }
                    responseFuture.setReturnType(returnType);
                    return responseFuture;
                }
            } else {
                Object value = response.getValue();
                if (value != null && value instanceof DeserializableObject) {
                    try {
                        value = ((DeserializableObject) value).deserialize(returnType);
                    } catch (IOException e) {
                        LoggerUtil.error("deserialize response value fail! deserialize type:" + returnType, e);
                        throw new MotanFrameworkException("deserialize return value fail! deserialize type:" + returnType, e);
                    }
                }
                return value;
            }
        } catch (RuntimeException e) {
            if (ExceptionUtil.isBizException(e)) {
                Throwable t = e.getCause();
                // 只抛出Exception，防止抛出远程的Error
                if (t != null && t instanceof Exception) {
                    throw t;
                } else {
                    String msg = t == null ? "biz exception cause is null. origin error msg : " + e.getMessage() : ("biz exception cause is throwable error:" + t.getClass() + ", errmsg:" + t.getMessage());
                    throw new MotanServiceException(msg);
                }
            } else if (!throwException) {
                LoggerUtil.warn("RefererInvocationHandler invoke false, so return default value: uri=" + cluster.getUrl().getUri() + " " + MotanFrameworkUtil.toString(request), e);
                return getDefaultReturnValue(returnType);
            } else {
                LoggerUtil.error("RefererInvocationHandler invoke Error: uri=" + cluster.getUrl().getUri() + " " + MotanFrameworkUtil.toString(request), e);
                throw e;
            }
        }
    }
    throw new MotanServiceException("Referer call Error: cluster not exist, interface=" + interfaceName + " " + MotanFrameworkUtil.toString(request), MotanErrorMsgConstant.SERVICE_UNFOUND, false);
}