com.huaweicloud.visibility.interceptor.ApacheDubboSubscribeInterceptor Maven / Gradle / Ivy

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/*
 * Copyright (C) 2021-2022 Huawei Technologies Co., Ltd. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package com.huaweicloud.visibility.interceptor;

import com.huaweicloud.sermant.core.plugin.agent.entity.ExecuteContext;
import com.huaweicloud.sermant.core.utils.ReflectUtils;
import com.huaweicloud.sermant.core.utils.StringUtils;
import com.huaweicloud.visibility.common.CollectorCache;
import com.huaweicloud.visibility.common.Constants;
import com.huaweicloud.visibility.common.OperateType;
import com.huaweicloud.visibility.common.ServiceType;
import com.huaweicloud.visibility.entity.Consanguinity;
import com.huaweicloud.visibility.entity.Contract;
import com.huaweicloud.visibility.entity.ServerInfo;

import org.apache.dubbo.common.URL;
import org.apache.dubbo.rpc.Invoker;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;

/**
 * Dubbo服务发现增强器
 *
 * @author zhp
 * @since 2022-12-05
 */
public class ApacheDubboSubscribeInterceptor extends AbstractCollectorInterceptor {
    private static final String INVOKE_FIELD_NAME = "urlInvokerMap";

    private static final String PROVIDER_URL_FIELD_NAME = "providerUrl";

    @Override
    public ExecuteContext before(ExecuteContext context) {
        return context;
    }

    @Override
    public ExecuteContext after(ExecuteContext context) {
        Object object = context.getMemberFieldValue(INVOKE_FIELD_NAME);
        if (!(object instanceof Map)) {
            return context;
        }
        Map> urlInvokerMap =
                (Map>) context.getMemberFieldValue(INVOKE_FIELD_NAME);
        if (urlInvokerMap == null || urlInvokerMap.isEmpty()) {
            return context;
        }
        ServerInfo serverinfo = new ServerInfo();
        extracted(urlInvokerMap, serverinfo);
        serverinfo.setOperateType(OperateType.ADD.getType());
        if (!serverinfo.getConsanguinityList().isEmpty()) {
            serverinfo.getConsanguinityList().forEach(CollectorCache::saveConsanguinity);
        } else {
            List invokerUrls = (List) context.getArguments()[0];
            if (invokerUrls != null && invokerUrls.size() > 0) {
                invokerUrls.forEach(invokerUrl -> {
                    Consanguinity consanguinity = fillConsanguinity(invokerUrl);
                    serverinfo.getConsanguinityList().add(consanguinity);
                    CollectorCache.saveConsanguinity(consanguinity);
                });
            }
        }
        collectorService.sendServerInfo(serverinfo);
        return context;
    }

    /**
     * 获取血缘关系信息
     *
     * @param urlInvokerMap 服务提供者信息
     * @param serverinfo 服务信息
     */
    private static void extracted(Map> urlInvokerMap, ServerInfo serverinfo) {
        Map consanguinityMap = new HashMap<>();
        serverinfo.setConsanguinityList(new ArrayList<>());
        for (Map.Entry> entry : urlInvokerMap.entrySet()) {
            Invoker invoker = entry.getValue();
            Optional