/**
* 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.broker;
import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.Properties;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.PosixParser;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.joran.JoranConfigurator;
import com.alibaba.rocketmq.common.BrokerConfig;
import com.alibaba.rocketmq.common.MQVersion;
import com.alibaba.rocketmq.common.MixAll;
import com.alibaba.rocketmq.common.constant.LoggerName;
import com.alibaba.rocketmq.remoting.common.RemotingUtil;
import com.alibaba.rocketmq.remoting.netty.NettyClientConfig;
import com.alibaba.rocketmq.remoting.netty.NettyServerConfig;
import com.alibaba.rocketmq.remoting.netty.NettySystemConfig;
import com.alibaba.rocketmq.remoting.protocol.RemotingCommand;
import com.alibaba.rocketmq.srvutil.ServerUtil;
import com.alibaba.rocketmq.store.config.BrokerRole;
import com.alibaba.rocketmq.store.config.MessageStoreConfig;
/**
* Broker启动入口
*
* @author shijia.wxr<vintage.wang@gmail.com>
* @since 2013-7-26
*/
public class BrokerStartup {
public static Properties properties = null;
public static CommandLine commandLine = null;
public static String configFile = null;
public static Options buildCommandlineOptions(final Options options) {
Option opt = new Option("c", "configFile", true, "Broker config properties file");
opt.setRequired(false);
options.addOption(opt);
opt = new Option("p", "printConfigItem", false, "Print all config item");
opt.setRequired(false);
options.addOption(opt);
opt = new Option("m", "printImportantConfig", false, "Print important config item");
opt.setRequired(false);
options.addOption(opt);
return options;
}
public static void main(String[] args) {
main0(args);
}
public static BrokerController main0(String[] args) {
System.setProperty(RemotingCommand.RemotingVersionKey, Integer.toString(MQVersion.CurrentVersion));
// Socket发送缓冲区大小
if (null == System.getProperty(NettySystemConfig.SystemPropertySocketSndbufSize)) {
NettySystemConfig.SocketSndbufSize = 131072;
}
// Socket接收缓冲区大小
if (null == System.getProperty(NettySystemConfig.SystemPropertySocketRcvbufSize)) {
NettySystemConfig.SocketRcvbufSize = 131072;
}
try {
// 解析命令行
Options options = ServerUtil.buildCommandlineOptions(new Options());
commandLine =
ServerUtil.parseCmdLine("mqbroker", args, buildCommandlineOptions(options),
new PosixParser());
if (null == commandLine) {
System.exit(-1);
return null;
}
// 初始化配置文件
final BrokerConfig brokerConfig = new BrokerConfig();
final NettyServerConfig nettyServerConfig = new NettyServerConfig();
final NettyClientConfig nettyClientConfig = new NettyClientConfig();
nettyServerConfig.setListenPort(10911);
final MessageStoreConfig messageStoreConfig = new MessageStoreConfig();
// 如果是slave，修改默认值
if (BrokerRole.SLAVE == messageStoreConfig.getBrokerRole()) {
int ratio = messageStoreConfig.getAccessMessageInMemoryMaxRatio() - 10;
messageStoreConfig.setAccessMessageInMemoryMaxRatio(ratio);
}
// 打印默认配置
if (commandLine.hasOption('p')) {
MixAll.printObjectProperties(null, brokerConfig);
MixAll.printObjectProperties(null, nettyServerConfig);
MixAll.printObjectProperties(null, nettyClientConfig);
MixAll.printObjectProperties(null, messageStoreConfig);
System.exit(0);
}
else if (commandLine.hasOption('m')) {
MixAll.printObjectProperties(null, brokerConfig, true);
MixAll.printObjectProperties(null, nettyServerConfig, true);
MixAll.printObjectProperties(null, nettyClientConfig, true);
MixAll.printObjectProperties(null, messageStoreConfig, true);
System.exit(0);
}
// 指定配置文件
if (commandLine.hasOption('c')) {
String file = commandLine.getOptionValue('c');
if (file != null) {
configFile = file;
InputStream in = new BufferedInputStream(new FileInputStream(file));
properties = new Properties();
properties.load(in);
MixAll.properties2Object(properties, brokerConfig);
MixAll.properties2Object(properties, nettyServerConfig);
MixAll.properties2Object(properties, nettyClientConfig);
MixAll.properties2Object(properties, messageStoreConfig);
BrokerPathConfigHelper.setBrokerConfigPath(file);
System.out.println("load config properties file OK, " + file);
}
}
MixAll.properties2Object(ServerUtil.commandLine2Properties(commandLine), brokerConfig);
if (null == brokerConfig.getRocketmqHome()) {
System.out.println("Please set the " + MixAll.ROCKETMQ_HOME_ENV
+ " variable in your environment to match the location of the RocketMQ installation");
System.exit(-2);
}
// 检测Name Server地址设置是否正确 IP:PORT
String namesrvAddr = brokerConfig.getNamesrvAddr();
if (null != namesrvAddr) {
try {
String[] addrArray = namesrvAddr.split(";");
if (addrArray != null) {
for (String addr : addrArray) {
RemotingUtil.string2SocketAddress(addr);
}
}
}
catch (Exception e) {
System.out
.printf(
"The Name Server Address[%s] illegal, please set it as follows, \"127.0.0.1:9876;192.168.0.1:9876\"\n",
namesrvAddr);
System.exit(-3);
}
}
// BrokerId的处理
switch (messageStoreConfig.getBrokerRole()) {
case ASYNC_MASTER:
case SYNC_MASTER:
// Master Id必须是0
brokerConfig.setBrokerId(MixAll.MASTER_ID);
break;
case SLAVE:
if (brokerConfig.getBrokerId() <= 0) {
System.out.println("Slave's brokerId must be > 0");
System.exit(-3);
}
break;
default:
break;
}
// Master监听Slave请求的端口，默认为服务端口+1
messageStoreConfig.setHaListenPort(nettyServerConfig.getListenPort() + 1);
// 初始化Logback
LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
JoranConfigurator configurator = new JoranConfigurator();
configurator.setContext(lc);
lc.reset();
configurator.doConfigure(brokerConfig.getRocketmqHome() + "/conf/logback_broker.xml");
final Logger log = LoggerFactory.getLogger(LoggerName.BrokerLoggerName);
// 打印启动参数
MixAll.printObjectProperties(log, brokerConfig);
MixAll.printObjectProperties(log, nettyServerConfig);
MixAll.printObjectProperties(log, nettyClientConfig);
MixAll.printObjectProperties(log, messageStoreConfig);
// 初始化服务控制对象
final BrokerController controller = new BrokerController(//
brokerConfig, //
nettyServerConfig, //
nettyClientConfig, //
messageStoreConfig);
boolean initResult = controller.initialize();
if (!initResult) {
controller.shutdown();
System.exit(-3);
}
Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
private volatile boolean hasShutdown = false;
private AtomicInteger shutdownTimes = new AtomicInteger(0);
@Override
public void run() {
synchronized (this) {
log.info("shutdown hook was invoked, " + this.shutdownTimes.incrementAndGet());
if (!this.hasShutdown) {
this.hasShutdown = true;
long begineTime = System.currentTimeMillis();
controller.shutdown();
long consumingTimeTotal = System.currentTimeMillis() - begineTime;
log.info("shutdown hook over, consuming time total(ms): " + consumingTimeTotal);
}
}
}
}, "ShutdownHook"));
// 启动服务控制对象
controller.start();
String tip =
"The broker[" + controller.getBrokerConfig().getBrokerName() + ", "
+ controller.getBrokerAddr() + "] boot success.";
if (null != brokerConfig.getNamesrvAddr()) {
tip += " and name server is " + brokerConfig.getNamesrvAddr();
}
log.info(tip);
System.out.println(tip);
return controller;
}
catch (Throwable e) {
e.printStackTrace();
System.exit(-1);
}
return null;
}
}