com.adito.server.StatsLogger.java Source code

Introduction

Here is the source code for com.adito.server.StatsLogger.java

Source

/*
*  Adito
*
*  Copyright (C) 2003-2006 3SP LTD. All Rights Reserved
*
*  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; either version 2 of
*  the License, or (at your option) any later version.
*  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.
*
*  You should have received a copy of the GNU General Public
*  License along with this program; if not, write to the Free Software
*  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

package com.adito.server;

import java.io.File;
import java.io.FileOutputStream;
import java.io.PrintWriter;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.mortbay.jetty.Server;

import com.adito.boot.ContextHolder;
import com.adito.boot.Util;

public class StatsLogger extends Thread {
    final static Log log = LogFactory.getLog(StatsLogger.class);

    private Server server;
    private int update;

    public StatsLogger(Server server, int update) {
        super("StatsLogger");
        server.setStatsOn(true);
        setDaemon(true);
        this.server = server;
        this.update = update;
        start();
    }

    public void run() {
        FileOutputStream out = null;
        try {
            out = new FileOutputStream(new File(ContextHolder.getContext().getLogDirectory(), "stats.csv"));
            PrintWriter pw = new PrintWriter(out, true);
            pw.println("connections,connectionsOpen,connectionsOpenMax,connectionsDurationAve,"
                    + "connectionsDurationMax,connectionsRequestsAve,connectionsRequestsMax,"
                    + "errors,requests,requestsActive,requestsActiveMax,requestsDurectionAve,requestsDurationMax");
            StringBuffer sb = new StringBuffer();
            while (true) {
                sb.append(server.getConnections());
                sb.append(",");
                sb.append(server.getConnectionsOpen());
                sb.append(",");
                sb.append(server.getConnectionsOpenMax());
                sb.append(",");
                sb.append(server.getConnectionsDurationAve());
                sb.append(",");
                sb.append(server.getConnectionsDurationMax());
                sb.append(",");
                sb.append(server.getConnectionsRequestsAve());
                sb.append(",");
                sb.append(server.getConnectionsRequestsMax());
                sb.append(",");
                sb.append(server.getErrors());
                sb.append(",");
                sb.append(server.getRequests());
                sb.append(",");
                sb.append(server.getRequestsActive());
                sb.append(",");
                sb.append(server.getRequestsActiveMax());
                sb.append(",");
                sb.append(server.getRequestsDurationAve());
                sb.append(",");
                sb.append(server.getRequestsDurationMax());
                pw.println(sb.toString());
                sb.setLength(0);
                Thread.sleep(update);
            }
        } catch (Exception e) {
            log.error("Failed to create stats files.", e);
        } finally {
            Util.closeStream(out);
        }
    }

}