/**
* 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.namesrv;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.alibaba.rocketmq.common.ThreadFactoryImpl;
import com.alibaba.rocketmq.common.constant.LoggerName;
import com.alibaba.rocketmq.common.namesrv.NamesrvConfig;
import com.alibaba.rocketmq.namesrv.kvconfig.KVConfigManager;
import com.alibaba.rocketmq.namesrv.processor.DefaultRequestProcessor;
import com.alibaba.rocketmq.namesrv.routeinfo.BrokerHousekeepingService;
import com.alibaba.rocketmq.namesrv.routeinfo.RouteInfoManager;
import com.alibaba.rocketmq.remoting.RemotingServer;
import com.alibaba.rocketmq.remoting.netty.NettyRemotingServer;
import com.alibaba.rocketmq.remoting.netty.NettyServerConfig;
/**
* Name Server服务控制
*
* @author shijia.wxr<vintage.wang@gmail.com>
* @since 2013-7-5
*/
public class NamesrvController {
private static final Logger log = LoggerFactory.getLogger(LoggerName.NamesrvLoggerName);
// Name Server配置
private final NamesrvConfig namesrvConfig;
// 通信层配置
private final NettyServerConfig nettyServerConfig;
// 服务端通信层对象
private RemotingServer remotingServer;
// 接收Broker连接事件
private BrokerHousekeepingService brokerHousekeepingService;
// 服务端网络请求处理线程池
private ExecutorService remotingExecutor;
// 定时线程
private final ScheduledExecutorService scheduledExecutorService = Executors
.newSingleThreadScheduledExecutor(new ThreadFactoryImpl("NSScheduledThread"));
/**
* 核心数据结构
*/
private final KVConfigManager kvConfigManager;
private final RouteInfoManager routeInfoManager;
public NamesrvController(NamesrvConfig namesrvConfig, NettyServerConfig nettyServerConfig) {
this.namesrvConfig = namesrvConfig;
this.nettyServerConfig = nettyServerConfig;
this.kvConfigManager = new KVConfigManager(this);
this.routeInfoManager = new RouteInfoManager();
this.brokerHousekeepingService = new BrokerHousekeepingService(this);
}
public boolean initialize() {
// 加载KV配置
this.kvConfigManager.load();
// 初始化通信层
this.remotingServer = new NettyRemotingServer(this.nettyServerConfig, this.brokerHousekeepingService);
// 初始化线程池
this.remotingExecutor =
Executors.newFixedThreadPool(nettyServerConfig.getServerWorkerThreads(),
new ThreadFactoryImpl("RemotingExecutorThread_"));
this.registerProcessor();
// 增加定时任务
this.scheduledExecutorService.scheduleAtFixedRate(new Runnable() {
@Override
public void run() {
NamesrvController.this.routeInfoManager.scanNotActiveBroker();
}
}, 1000 * 5, 1000 * 10, TimeUnit.MILLISECONDS);
this.scheduledExecutorService.scheduleAtFixedRate(new Runnable() {
@Override
public void run() {
NamesrvController.this.kvConfigManager.printAllPeriodically();
}
}, 1000 * 10, 1000 * 120, TimeUnit.MILLISECONDS);
this.scheduledExecutorService.scheduleAtFixedRate(new Runnable() {
@Override
public void run() {
NamesrvController.this.routeInfoManager.printAllPeriodically();
}
}, 1000 * 10, 1000 * 120, TimeUnit.MILLISECONDS);
return true;
}
private void registerProcessor() {
this.remotingServer
.registerDefaultProcessor(new DefaultRequestProcessor(this), this.remotingExecutor);
}
public void start() throws Exception {
this.remotingServer.start();
}
public void shutdown() {
this.remotingServer.shutdown();
this.remotingExecutor.shutdown();
this.scheduledExecutorService.shutdown();
}
public NamesrvConfig getNamesrvConfig() {
return namesrvConfig;
}
public NettyServerConfig getNettyServerConfig() {
return nettyServerConfig;
}
public KVConfigManager getKvConfigManager() {
return kvConfigManager;
}
public RouteInfoManager getRouteInfoManager() {
return routeInfoManager;
}
public RemotingServer getRemotingServer() {
return remotingServer;
}
public void setRemotingServer(RemotingServer remotingServer) {
this.remotingServer = remotingServer;
}
}