/*
* Created on 04-Aug-2004
* Created by Paul Gardner
* Copyright (C) 2004, 2005, 2006 Aelitis, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* AELITIS, SAS au capital de 46,603.30 euros
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*
*/
package com.aelitis.azureus.core.diskmanager.cache.impl;
import java.io.*;
import org.gudy.azureus2.core3.torrent.TOTorrentFile;
import org.gudy.azureus2.core3.util.*;
import org.gudy.azureus2.core3.logging.*;
import com.aelitis.azureus.core.diskmanager.cache.*;
/**
* @author parg
*
*/
public class
Test
{
public static void
main(
String []args )
{
System.setProperty("azureus.log.stdout","1");
Logger.addListener(new ILogEventListener() {
public void log(LogEvent event) {
System.out.println(event.text);
}
});
try{
CacheFileManagerImpl manager = (CacheFileManagerImpl)CacheFileManagerFactory.getSingleton();
//manager.initialise( false, 8*1024*1024 );
//new Test().writeTest(manager);
manager.initialise( true, true, true, 10*1024*1024, 1024 );
new Test().writeTest(manager);
}catch( Throwable e ){
Debug.printStackTrace( e );
}
}
public void
writeTest(
CacheFileManagerImpl manager )
{
try{
final File f = new File("C:\\temp\\cachetest.dat" );
f.delete();
CacheFile cf = manager.createFile(
new CacheFileOwner()
{
public String
getCacheFileOwnerName()
{
return( "file " + f.toString() );
}
public TOTorrentFile
getCacheFileTorrentFile()
{
return( null );
}
public File
getCacheFileControlFile(String name)
{
return null;
}
public boolean
forceNoCache()
{
return( false );
}
},
f, CacheFile.CT_LINEAR );
cf.setAccessMode( CacheFile.CF_WRITE );
long start = System.currentTimeMillis();
int loop = 10000;
int block = 1*1024;
for (int i=0;i<loop;i++){
DirectByteBuffer buffer = DirectByteBufferPool.getBuffer( DirectByteBuffer.AL_OTHER, block);
cf.writeAndHandoverBuffer( buffer, i*block);
}
cf.close();
long now = System.currentTimeMillis();
long total = loop*block;
long elapsed = now - start;
System.out.println( "time = " + elapsed + ", speed = " + (total/elapsed));
}catch( Throwable e ){
Debug.printStackTrace( e );
}
}
public void
manualTest(
CacheFileManager manager )
{
try{
final File f = new File("C:\\temp\\cachetest.dat" );
f.delete();
CacheFile cf = manager.createFile(
new CacheFileOwner()
{
public String
getCacheFileOwnerName()
{
return( "file " + f.toString() );
}
public TOTorrentFile
getCacheFileTorrentFile()
{
return( null );
}
public File
getCacheFileControlFile(String name)
{
return null;
}
public boolean
forceNoCache()
{
return( false );
}
},
f, CacheFile.CT_LINEAR );
DirectByteBuffer write_buffer1 = DirectByteBufferPool.getBuffer(DirectByteBuffer.AL_OTHER,512);
DirectByteBuffer write_buffer2 = DirectByteBufferPool.getBuffer(DirectByteBuffer.AL_OTHER,512);
DirectByteBuffer write_buffer3 = DirectByteBufferPool.getBuffer(DirectByteBuffer.AL_OTHER,512);
cf.writeAndHandoverBuffer( write_buffer2, 512 );
cf.flushCache();
cf.writeAndHandoverBuffer( write_buffer3, 1024 );
cf.writeAndHandoverBuffer( write_buffer1, 0 );
cf.flushCache();
write_buffer1 = DirectByteBufferPool.getBuffer(DirectByteBuffer.AL_OTHER,512);
cf.writeAndHandoverBuffer( write_buffer1, 0 );
cf.flushCache();
cf.close();
}catch( Throwable e ){
Debug.printStackTrace( e );
}
}
public void
randomTest(
CacheFileManager manager )
{
try{
CacheFile[] files = new CacheFile[3];
byte[][] file_data = new byte[3][];
for (int i=0;i<files.length;i++){
final int f_i = i;
file_data[i] = new byte[randomInt(200000)];
files[i] = manager.createFile(
new CacheFileOwner()
{
public String
getCacheFileOwnerName()
{
return( "file" + f_i );
}
public TOTorrentFile
getCacheFileTorrentFile()
{
return( null );
}
public File
getCacheFileControlFile(String name)
{
return null;
}
public boolean
forceNoCache()
{
return( false );
}
},
new File( "C:\\temp\\cachetest" + i + ".dat" ), CacheFile.CT_LINEAR);
files[i].setAccessMode( CacheFile.CF_WRITE );
DirectByteBuffer bb = DirectByteBufferPool.getBuffer(DirectByteBuffer.AL_OTHER,file_data[i].length);
bb.put( DirectByteBuffer.SS_CACHE, file_data[i]);
bb.position(DirectByteBuffer.SS_CACHE, 0);
files[i].write(bb,0);
}
int quanitize_to = 100;
int quanitize_to_max_consec_write = 1;
int quanitize_to_max_consec_read = 3;
for (int x=0;x<10000000;x++){
int file_index = randomInt(files.length);
CacheFile cf = files[file_index];
byte[] bytes = file_data[ file_index ];
int p1 = randomInt( bytes.length );
int p2 = randomInt( bytes.length );
p1 = (p1/quanitize_to)*quanitize_to;
p2 = (p2/quanitize_to)*quanitize_to;
if ( p1 == p2 ){
continue;
}
int start = Math.min(p1,p2);
int len = Math.max(p1,p2) - start;
int function = randomInt(100);
if ( function < 30){
if ( len > quanitize_to*quanitize_to_max_consec_read ){
len = quanitize_to*quanitize_to_max_consec_read;
}
DirectByteBuffer buffer = DirectByteBufferPool.getBuffer( DirectByteBuffer.AL_OTHER,len );
System.out.println( "read:" + start + "/" + len );
cf.read( buffer, start, CacheFile.CP_READ_CACHE );
buffer.position(DirectByteBuffer.SS_CACHE, 0);
byte[] data_read = new byte[len];
buffer.get( DirectByteBuffer.SS_CACHE, data_read );
for (int i=0;i<data_read.length;i++){
if ( data_read[i] != bytes[ i+start ]){
throw( new Exception( "data read mismatch" ));
}
}
buffer.returnToPool();
}else if ( function < 80 ){
if ( len > quanitize_to*quanitize_to_max_consec_write ){
len = quanitize_to*quanitize_to_max_consec_write;
}
System.out.println( "write:" + start + "/" + len );
DirectByteBuffer buffer = DirectByteBufferPool.getBuffer( DirectByteBuffer.AL_OTHER,len );
for (int i=0;i<len;i++){
bytes[start+i] = (byte)randomInt(256);
buffer.put( DirectByteBuffer.SS_CACHE, bytes[start+i]);
}
buffer.position(DirectByteBuffer.SS_CACHE, 0);
cf.writeAndHandoverBuffer( buffer, start );
}else if ( function < 90 ){
cf.flushCache();
}else if ( function < 91 ){
cf.clearCache();
//System.out.println( "closing file" );
//cf.close();
}
}
}catch( Throwable e ){
Debug.printStackTrace( e );
}
}
static int
randomInt(
int num )
{
return( (int)(Math.random()*num ));
}
}
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