com.alibaba.rocketmq.broker.client.ClientHousekeepingService Maven / Gradle / Ivy

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/**
 * 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.client;

import io.netty.channel.Channel;

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.broker.BrokerController;
import com.alibaba.rocketmq.common.ThreadFactoryImpl;
import com.alibaba.rocketmq.common.constant.LoggerName;
import com.alibaba.rocketmq.remoting.ChannelEventListener;


/**
 * 定期检测客户端连接，清除不活动的连接
 * 
 * @author shijia.wxr
 * @since 2013-7-26
 */
public class ClientHousekeepingService implements ChannelEventListener {
    private static final Logger log = LoggerFactory.getLogger(LoggerName.BrokerLoggerName);
    private final BrokerController brokerController;

    private ScheduledExecutorService scheduledExecutorService = Executors
        .newSingleThreadScheduledExecutor(new ThreadFactoryImpl("ClientHousekeepingScheduledThread"));


    public ClientHousekeepingService(final BrokerController brokerController) {
        this.brokerController = brokerController;
    }


    public void start() {
        // 定时扫描过期的连接
        this.scheduledExecutorService.scheduleAtFixedRate(new Runnable() {
            @Override
            public void run() {
                try {
                    ClientHousekeepingService.this.scanExceptionChannel();
                }
                catch (Exception e) {
                    log.error("", e);
                }
            }
        }, 1000 * 10, 1000 * 10, TimeUnit.MILLISECONDS);
    }


    public void shutdown() {
        this.scheduledExecutorService.shutdown();
    }


    private void scanExceptionChannel() {
        this.brokerController.getProducerManager().scanNotActiveChannel();
        this.brokerController.getConsumerManager().scanNotActiveChannel();
        this.brokerController.getFilterServerManager().scanNotActiveChannel();
    }


    @Override
    public void onChannelConnect(String remoteAddr, Channel channel) {

    }


    @Override
    public void onChannelClose(String remoteAddr, Channel channel) {
        this.brokerController.getProducerManager().doChannelCloseEvent(remoteAddr, channel);
        this.brokerController.getConsumerManager().doChannelCloseEvent(remoteAddr, channel);
        this.brokerController.getFilterServerManager().doChannelCloseEvent(remoteAddr, channel);
    }


    @Override
    public void onChannelException(String remoteAddr, Channel channel) {
        this.brokerController.getProducerManager().doChannelCloseEvent(remoteAddr, channel);
        this.brokerController.getConsumerManager().doChannelCloseEvent(remoteAddr, channel);
        this.brokerController.getFilterServerManager().doChannelCloseEvent(remoteAddr, channel);
    }


    @Override
    public void onChannelIdle(String remoteAddr, Channel channel) {
        this.brokerController.getProducerManager().doChannelCloseEvent(remoteAddr, channel);
        this.brokerController.getConsumerManager().doChannelCloseEvent(remoteAddr, channel);
        this.brokerController.getFilterServerManager().doChannelCloseEvent(remoteAddr, channel);
    }
}