/**
* Copyright (C) 2010-2013 Alibaba Group Holding Limited
*
* 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.alibaba.rocketmq.tools.command.consumer;
import java.util.Iterator;
import java.util.Map.Entry;
import java.util.TreeMap;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import com.alibaba.rocketmq.common.MQVersion;
import com.alibaba.rocketmq.common.MixAll;
import com.alibaba.rocketmq.common.protocol.body.Connection;
import com.alibaba.rocketmq.common.protocol.body.ConsumerConnection;
import com.alibaba.rocketmq.common.protocol.body.ConsumerRunningInfo;
import com.alibaba.rocketmq.remoting.RPCHook;
import com.alibaba.rocketmq.tools.admin.DefaultMQAdminExt;
import com.alibaba.rocketmq.tools.command.MQAdminStartup;
import com.alibaba.rocketmq.tools.command.SubCommand;
/**
* 查询Consumer内部数据结构
*
* @author shijia.wxr<vintage.wang@gmail.com>
* @since 2014-07-20
*/
public class ConsumerStatusSubCommand implements SubCommand {
@Override
public String commandName() {
return "consumerStatus";
}
@Override
public String commandDesc() {
return "Query consumer's internal data structure";
}
@Override
public Options buildCommandlineOptions(Options options) {
Option opt = new Option("g", "consumerGroup", true, "consumer group name");
opt.setRequired(true);
options.addOption(opt);
opt = new Option("i", "clientId", true, "The consumer's client id");
opt.setRequired(false);
options.addOption(opt);
opt = new Option("s", "jstack", false, "Run jstack command in the consumer progress");
opt.setRequired(false);
options.addOption(opt);
return options;
}
@Override
public void execute(CommandLine commandLine, Options options, RPCHook rpcHook) {
DefaultMQAdminExt defaultMQAdminExt = new DefaultMQAdminExt(rpcHook);
defaultMQAdminExt.setInstanceName(Long.toString(System.currentTimeMillis()));
try {
defaultMQAdminExt.start();
String group = commandLine.getOptionValue('g').trim();
ConsumerConnection cc = defaultMQAdminExt.examineConsumerConnectionInfo(group);
boolean jstack = commandLine.hasOption('s');
if (!commandLine.hasOption('i')) {
// 打印连接
int i = 1;
long now = System.currentTimeMillis();
final TreeMap<String/* clientId */, ConsumerRunningInfo> criTable =
new TreeMap<String, ConsumerRunningInfo>();
for (Connection conn : cc.getConnectionSet()) {
try {
ConsumerRunningInfo consumerRunningInfo =
defaultMQAdminExt.getConsumerRunningInfo(group, conn.getClientId(), jstack);
if (consumerRunningInfo != null) {
criTable.put(conn.getClientId(), consumerRunningInfo);
String filePath = now + "/" + conn.getClientId();
MixAll.string2FileNotSafe(consumerRunningInfo.formatString(), filePath);
System.out.printf("%03d %-40s %-20s %s\n",//
i++,//
conn.getClientId(),//
MQVersion.getVersionDesc(conn.getVersion()),//
filePath);
}
}
catch (Exception e) {
e.printStackTrace();
}
}
if (!criTable.isEmpty()) {
boolean subSame = ConsumerRunningInfo.analyzeSubscription(criTable);
boolean rebalanceOK = subSame && ConsumerRunningInfo.analyzeRebalance(criTable);
if (subSame) {
System.out.println("\n\nSame subscription in the same group of consumer");
System.out.printf("\n\nRebalance %s\n", rebalanceOK ? "OK" : "Failed");
Iterator<Entry<String, ConsumerRunningInfo>> it = criTable.entrySet().iterator();
while (it.hasNext()) {
Entry<String, ConsumerRunningInfo> next = it.next();
String result =
ConsumerRunningInfo.analyzeProcessQueue(next.getKey(), next.getValue());
if (result.length() > 0) {
System.out.println(result);
}
}
}
else {
System.out
.println("\n\nWARN: Different subscription in the same group of consumer!!!");
}
}
}
else {
String clientId = commandLine.getOptionValue('i').trim();
ConsumerRunningInfo consumerRunningInfo =
defaultMQAdminExt.getConsumerRunningInfo(group, clientId, jstack);
if (consumerRunningInfo != null) {
System.out.println(consumerRunningInfo.formatString());
}
}
}
catch (Exception e) {
e.printStackTrace();
}
finally {
defaultMQAdminExt.shutdown();
}
}
public static void main(String[] args) {
System.setProperty(MixAll.NAMESRV_ADDR_PROPERTY, "127.0.0.1:9876");
MQAdminStartup.main(new String[] { new ConsumerStatusSubCommand().commandName(), //
"-g", "benchmark_consumer" //
});
}
}