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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.dubbo.qos.command.impl;
import org.apache.dubbo.common.constants.CommonConstants;
import org.apache.dubbo.qos.command.BaseCommand;
import org.apache.dubbo.qos.command.CommandContext;
import org.apache.dubbo.qos.command.annotation.Cmd;
import org.apache.dubbo.registry.Registry;
import org.apache.dubbo.registry.client.migration.MigrationInvoker;
import org.apache.dubbo.rpc.cluster.Directory;
import org.apache.dubbo.rpc.cluster.directory.AbstractDirectory;
import org.apache.dubbo.rpc.cluster.router.state.StateRouter;
import org.apache.dubbo.rpc.model.ConsumerModel;
import org.apache.dubbo.rpc.model.FrameworkModel;
import org.apache.dubbo.rpc.model.ServiceMetadata;
import java.util.Map;
@Cmd(name = "getRouterSnapshot", summary = "Get State Router Snapshot.", example = "getRouterSnapshot xx.xx.xxx.service")
public class GetRouterSnapshot implements BaseCommand {
private FrameworkModel frameworkModel;
public GetRouterSnapshot(FrameworkModel frameworkModel) {
this.frameworkModel = frameworkModel;
}
@Override
public String execute(CommandContext commandContext, String[] args) {
if (args.length != 1) {
return "args count should be 1. example getRouterSnapshot xx.xx.xxx.service";
}
String servicePattern = args[0];
StringBuilder stringBuilder = new StringBuilder();
for (ConsumerModel consumerModel : frameworkModel.getServiceRepository().allConsumerModels()) {
try {
ServiceMetadata metadata = consumerModel.getServiceMetadata();
if (metadata.getServiceKey().matches(servicePattern) || metadata.getDisplayServiceKey().matches(servicePattern)) {
Object object = metadata.getAttribute(CommonConstants.CURRENT_CLUSTER_INVOKER_KEY);
Map> invokerMap;
if (object instanceof Map) {
invokerMap = (Map>) object;
for (Map.Entry> invokerEntry : invokerMap.entrySet()) {
Directory directory = invokerEntry.getValue().getDirectory();
StateRouter headStateRouter = directory.getRouterChain().getHeadStateRouter();
stringBuilder.append(metadata.getServiceKey()).append('@').append(Integer.toHexString(System.identityHashCode(metadata)))
.append("\n")
.append("[ All Invokers:").append(directory.getAllInvokers().size()).append(" ] ")
.append("[ Valid Invokers: ").append(((AbstractDirectory)directory).getValidInvokers().size()).append(" ]\n")
.append("\n")
.append(headStateRouter.buildSnapshot())
.append("\n\n");
}
}
}
} catch (Throwable ignore) {
}
}
return stringBuilder.toString();
}
}