71 lines
1.9 KiB
Java
71 lines
1.9 KiB
Java
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package com.cisdi.data.AMETEKSurfaceVision.gateway;
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import com.cisdi.data.sdk.gateway.netty.IoSession;
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import com.cisdi.data.sdk.gateway.netty.SessionFactory;
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import java.util.List;
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import java.util.concurrent.atomic.AtomicBoolean;
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import lombok.extern.slf4j.Slf4j;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* 保活时间检测，如果超过指定时间，则关闭连接
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* @author tzz
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*
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*/
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@Slf4j
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public class SurfaceVisionAliveCheckTask implements Runnable {
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private SessionFactory sessionFactory;
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private AtomicBoolean shouldRun = null;
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/**
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* 会话允许的保活时间，单位秒
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*/
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private int keepAlive;
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private static final double multiply = 2;
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private static final int sleepInternal = 1000; // 1秒
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public SurfaceVisionAliveCheckTask(int keepAlive, AtomicBoolean shouldRun, SessionFactory sessionFactory) {
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super();
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this.keepAlive = keepAlive;
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this.shouldRun = shouldRun;
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this.sessionFactory = sessionFactory;
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}
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@Override
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public void run() {
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log.info("启动SurfaceVision心跳及检测心跳线程");
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while (shouldRun != null && shouldRun.get() == true) {
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try {
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long now = System.currentTimeMillis();
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List<IoSession> sessions = sessionFactory.getSessions();
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for (IoSession ioSession : sessions) {
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SurfaceVisionIoSession session = (SurfaceVisionIoSession)ioSession;
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log.info("{} 定时心跳发送检测", session.gwPrefix());
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session.sendBeat();
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// 超出指定倍数心跳时间，关闭通道
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if((now - session.getLastAliveTime()) > (multiply * keepAlive * 1000)) {
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session.close();
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log.warn("{} 超出指定倍数{}心跳时间{},单位秒，关闭通道",
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session.gwPrefix(), multiply, keepAlive);
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}
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}
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Thread.sleep(sleepInternal);
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} catch (Exception e) {
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log.warn(e.getLocalizedMessage(), e);
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}
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}
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log.info("结束SurfaceVision保活超时检测线程");
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}
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}
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