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package org.tanukisoftware.wrapper.test;
/*
* Copyright (c) 1999, 2022 Tanuki Software, Ltd.
* http://www.tanukisoftware.com
* All rights reserved.
*
* This software is the proprietary information of Tanuki Software.
* You shall use it only in accordance with the terms of the
* license agreement you entered into with Tanuki Software.
* http://wrapper.tanukisoftware.com/doc/english/licenseOverview.html
*
*
* Portions of the Software have been derived from source code
* developed by Silver Egg Technology under the following license:
*
* Copyright (c) 2001 Silver Egg Technology
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sub-license, and/or
* sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*/
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Writer;
/**
*
*
* @author Tanuki Software Development Team <support@tanukisoftware.com>
*/
public class Memory implements Runnable
{
private static Memory c_theInstance;
private Thread m_runner;
/*---------------------------------------------------------------
* Constructor
*-------------------------------------------------------------*/
private Memory()
{
// Start the runner
m_runner = new Thread( this, "runner" );
m_runner.start();
}
/*---------------------------------------------------------------
* Runnable Method
*-------------------------------------------------------------*/
public void run()
{
long startTime = System.currentTimeMillis();
long lastTest = startTime;
try
{
File file = new File( "../logs/memory.log" );
System.out.println( Main.getRes().getString( "Writing memory Log to: {0}", file ) );
Writer writer = new FileWriter( file );
try
{
writer.write( Main.getRes().getString( "--> Starting Memory Log\n" ) );
writer.flush();
while( m_runner != null )
{
long now = System.currentTimeMillis();
System.out.println( Main.getRes().getString( "Running for {0}ms...", new Long( now - startTime ) ) );
if ( now - lastTest > 15000 )
{
Runtime rt = Runtime.getRuntime();
System.gc();
long totalMemory = rt.totalMemory();
long freeMemory = rt.freeMemory();
long usedMemory = totalMemory - freeMemory;
writer.write( Main.getRes().getString( "total memory=" ) + pad( totalMemory, 10 )
+ Main.getRes().getString( ", used=" ) + pad( usedMemory, 10 )
+ Main.getRes().getString( ", free=" ) + pad( freeMemory, 10 ) + "\n" );
writer.flush();
lastTest = now;
}
try
{
Thread.sleep( 250 );
}
catch ( InterruptedException e )
{
}
}
writer.write( Main.getRes().getString( "<-- Stopping Memory Log\n" ) );
writer.flush();
}
finally
{
writer.close();
}
}
catch ( IOException e )
{
e.printStackTrace();
}
}
/*---------------------------------------------------------------
* Methods
*-------------------------------------------------------------*/
private static final String PADDING = " ";
private String pad( long n, int len )
{
String s = Long.toString( n );
int sLen = s.length();
if ( sLen < len )
{
s = s + PADDING.substring( 0, len - sLen );
}
return s;
}
/*---------------------------------------------------------------
* Main Method
*-------------------------------------------------------------*/
public static void main(String[] args)
{
System.out.println( Main.getRes().getString( "Memory Tester Running..." ) );
c_theInstance = new Memory();
// Register a shutdown hook.
Runtime.getRuntime().addShutdownHook( new Thread( "shutdown-hook" )
{
public void run()
{
System.out.println(Main.getRes().getString( "Stopping..." ) );
Thread runner = c_theInstance.m_runner;
// Tell the main thread to stop.
c_theInstance.m_runner = null;
// Wait for the thread to actually stop cleanly.
try
{
runner.join();
}
catch ( InterruptedException e )
{
}
System.out.println(Main.getRes().getString( "Stopped." ) );
}
} );
}
}
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