com.clustercontrol.selfcheck.monitor.ThreadActivityMonitor.java Source code

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Here is the source code for com.clustercontrol.selfcheck.monitor.ThreadActivityMonitor.java

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/*
    
Copyright (C) 2012 NTT DATA Corporation
    
This program is free software; you can redistribute it and/or
Modify it under the terms of the GNU General Public License
as published by the Free Software Foundation, version 2.
    
This program is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.  See the GNU General Public License for more details.
    
 */

package com.clustercontrol.selfcheck.monitor;

import java.util.Date;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.clustercontrol.bean.PriorityConstant;
import com.clustercontrol.commons.bean.ThreadInfo;
import com.clustercontrol.maintenance.util.HinemosPropertyUtil;
import com.clustercontrol.util.HinemosTime;
import com.clustercontrol.util.MessageConstant;
import com.clustercontrol.util.apllog.AplLogger;

/**
 * ??????
 */
public class ThreadActivityMonitor extends SelfCheckMonitorBase {

    private static Log log = LogFactory.getLog(ThreadActivityMonitor.class);

    public final ThreadInfo threadInfo;
    public int thresholdSec;

    public final String monitorId = "SYS_THREAD";
    public final String subKey;
    public final String application = "SELFCHECK (Thread)";

    /**
     * 
     * @param threadInfo 
     * @param thresholdSec ?(????????????)
     */
    public ThreadActivityMonitor(ThreadInfo threadInfo) {
        this.threadInfo = threadInfo;

        this.subKey = threadInfo.thread.getName();
    }

    @Override
    public String toString() {
        return String.format("monitoring thread (threadInfo = %s, threshold = %s)", threadInfo, thresholdSec + ")");
    }

    @Override
    public String getMonitorId() {
        return monitorId;
    }

    @Override
    public void execute() {
        if (!HinemosPropertyUtil.getHinemosPropertyBool("selfcheck.monitoring.thread.activity", true)) {
            log.debug("skip");
            return;
        }

        /**  */
        Date now = null;
        String startTimeStr = null;
        boolean warn = true;

        thresholdSec = HinemosPropertyUtil
                .getHinemosPropertyNum("selfcheck.monitoring.thread.activity.threshold", Long.valueOf(300))
                .intValue();

        /** ? */
        log.debug("monitoring thread. (threadInfo = " + threadInfo + ")");

        now = HinemosTime.getDateInstance();
        startTimeStr = String.format("%1$tY-%1$tm-%1$td %1$tH:%1$tM:%1$tS", new Date(threadInfo.taskStartTime));

        if (now.getTime() - threadInfo.taskStartTime <= thresholdSec * 1000) {
            log.debug("thread is active : " + threadInfo);

            warn = false;
        }

        if (warn) {
            log.warn("thread takes long time : " + threadInfo + ", " + "stack trace : "
                    + getStackTrace(threadInfo.thread));
        }
        if (!isNotify(subKey, warn)) {
            return;
        }
        String[] msgAttr1 = { Long.toString(threadInfo.thread.getId()), threadInfo.thread.getName(),
                threadInfo.taskClassName, startTimeStr, Integer.toString(thresholdSec) };
        AplLogger.put(PriorityConstant.TYPE_WARNING, PLUGIN_ID, MessageConstant.MESSAGE_SYS_012_SYS_SFC, msgAttr1,
                "internal logic (tid " + threadInfo.thread.getId() + ", thread name " + threadInfo.thread.getName()
                        + ", class name " + threadInfo.taskClassName + ", start time " + startTimeStr
                        + ") takes more than " + thresholdSec + " [sec].");

        return;
    }

    private static String getStackTrace(Thread t) {
        StackTraceElement[] eList = t.getStackTrace();
        StringBuilder trace = new StringBuilder();
        for (StackTraceElement e : eList) {
            trace.append("\n\tat ");
            trace.append(e.getClassName() + "." + e.getMethodName() + "(" + e.getFileName() + ":"
                    + e.getLineNumber() + ")");
        }
        return trace.toString();
    }

}