/*
* Created on May 28, 2005
* Created by Alon Rohter
* Copyright (C) 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.peermanager.unchoker;
import java.util.*;
import org.gudy.azureus2.core3.peer.*;
import org.gudy.azureus2.core3.util.RandomUtils;
import org.gudy.azureus2.plugins.network.Connection;
import com.aelitis.azureus.core.networkmanager.LimitedRateGroup;
import com.aelitis.azureus.core.peermanager.messaging.Message;
import com.aelitis.azureus.core.peermanager.piecepicker.util.BitFlags;
/**
* @author MjrTom
* 2005/Oct/08: s/getLastPiece
* 2006/Jan/02: use RandomUtils
*/
public class UnchokerUtilTest {
private static final int NUM_PEERS_TO_TEST = 100;
private static final int BYTE_RANGE = 100*1024*1024;
private static final int TEST_ROUNDS = 1000000;
public static void main(String[] args) {
TreeMap counts = new TreeMap( new Comparator(){
public int compare( Object o1, Object o2 ) {
PEPeer peer1 = (PEPeer)o1;
PEPeer peer2 = (PEPeer)o2;
long score1 = peer1.getStats().getTotalDataBytesSent() - peer1.getStats().getTotalDataBytesReceived();
long score2 = peer2.getStats().getTotalDataBytesSent() - peer2.getStats().getTotalDataBytesReceived();
return (int)(score1 - score2);
}
});
ArrayList test_peers = generateTestPeers();
for( int i=0; i < TEST_ROUNDS; i++ ) {
if( i % 100000 == 0 ) System.out.println( "round=" +i );
PEPeer opt_peer = UnchokerUtil.getNextOptimisticPeer( test_peers, true, false );
Integer count = (Integer)counts.get( opt_peer );
if( count == null ) count = new Integer( 0 );
counts.put( opt_peer, new Integer( count.intValue() + 1 ) );
}
int max_picked = 0;
for( Iterator it = counts.values().iterator(); it.hasNext(); ) {
int count = ((Integer)it.next()).intValue();
if( count > max_picked ) max_picked = count;
}
int pos = 0;
for( Iterator it = counts.entrySet().iterator(); it.hasNext(); ) {
Map.Entry entry = (Map.Entry)it.next();
PEPeer peer = (PEPeer)entry.getKey();
int count = ((Integer)entry.getValue()).intValue();
long score = peer.getStats().getTotalDataBytesSent() - peer.getStats().getTotalDataBytesReceived();
float ratio = (float)peer.getStats().getTotalDataBytesSent() / (peer.getStats().getTotalDataBytesReceived() + 1);
int percentile = (count *100) / max_picked;
System.out.println( "[" +pos+ "] score=" +score+ ", ratio=" +ratio+ ", picked=" +count+ "x, percentile=" +percentile+ "%" );
pos++;
}
}
private static ArrayList generateTestPeers() {
ArrayList peers = new ArrayList();
for( int i=0; i < NUM_PEERS_TO_TEST; i++ ) {
final int bytes_received = RandomUtils.nextInt( BYTE_RANGE );
final int bytes_sent = RandomUtils.nextInt( BYTE_RANGE );
final PEPeerStats[] f_stats = { null };
final PEPeer peer = new PEPeer() {
public void addListener( PEPeerListener listener ){}
public void removeListener( PEPeerListener listener ){}
public int getPeerState(){ return PEPeer.TRANSFERING; }
public PEPeerManager getManager(){ return null; }
public String getPeerSource(){ return null; }
public byte[] getId(){ return null; }
public String getIp(){ return null; }
public int getPort(){ return 0; }
public String getIPHostName(){ return null; }
public int getTCPListenPort(){ return 0; }
public int getUDPListenPort(){ return 0; }
public int getUDPNonDataListenPort() { return 0;}
public BitFlags getAvailable(){ return null; }
public boolean isPieceAvailable(int pieceNumber){ return false; }
public boolean transferAvailable(){ return true; }
public boolean isDownloadPossible() { return true; }
public void setSnubbed(boolean b){}
public boolean isChokingMe(){ return true; }
public boolean isChokedByMe() { return true; }
public boolean isInteresting(){ return true; }
public boolean isInterested(){ return true; }
public boolean isSeed(){ return false; }
public boolean isSnubbed(){ return false; }
public long getSnubbedTime() { return 0; }
public boolean hasReceivedBitField() {return false; }
public PEPeerStats getStats(){ return f_stats[0]; }
public boolean isIncoming(){ return false; }
public int getPercentDoneInThousandNotation(){ return 0; }
public String getClient(){ return null; }
public boolean isOptimisticUnchoke(){ return false; }
public void setOptimisticUnchoke( boolean is_optimistic ){}
public void setUploadHint(int timeToSpread){}
public int getUploadHint(){ return 0; }
public void setUniqueAnnounce(int uniquePieceNumber){}
public int getUniqueAnnounce(){ return 0; }
public Object getData (String key){ return null; }
public void setData (String key, Object value){}
public Connection getPluginConnection(){ return null; }
public boolean supportsMessaging(){ return false; }
public int getMessagingMode(){ return PEPeer.MESSAGING_BT_ONLY; }
public Message[] getSupportedMessages(){ return null; }
public String getEncryption(){ return( "" ); }
public int getReservedPieceNumber() { return -1; }
public void setReservedPieceNumber(int pieceNumber) {}
public int[] getIncomingRequestedPieceNumbers() { return null; }
public int[] getOutgoingRequestedPieceNumbers() { return null; }
public int getPercentDoneOfCurrentIncomingRequest(){ return 0; }
public int getPercentDoneOfCurrentOutgoingRequest(){ return 0; }
public long getTimeSinceConnectionEstablished(){ return 0; }
public int getLastPiece() { return -1; }
public void setLastPiece(int pieceNumber) {}
public int getConsecutiveNoRequestCount() {return 0; }
public void setConsecutiveNoRequestCount(int num) {}
public int getIncomingRequestCount() {
// TODO Auto-generated method stub
return 0;
}
public int getOutgoingRequestCount() {
// TODO Auto-generated method stub
return 0;
}
public boolean isLANLocal() {
// TODO Auto-generated method stub
return false;
}
public boolean sendRequestHint(int piece_number, int offset, int length, int life) {
// TODO Auto-generated method stub
return false;
}
public int[] getRequestHint() {
// TODO Auto-generated method stub
return null;
}
public void
clearRequestHint()
{
}
public void setUploadRateLimitBytesPerSecond( int bytes ){}
public void setDownloadRateLimitBytesPerSecond( int bytes ){}
public int getUploadRateLimitBytesPerSecond(){ return 0 ;}
public int getDownloadRateLimitBytesPerSecond(){ return 0; }
public void addRateLimiter(LimitedRateGroup limiter, boolean upload) {
// TODO Auto-generated method stub
}
public void removeRateLimiter(LimitedRateGroup limiter, boolean upload) {
// TODO Auto-generated method stub
}
public void setHaveAggregationEnabled(boolean enabled) {
// TODO Auto-generated method stub
}
public int getOutboundDataQueueSize() {
// TODO Auto-generated method stub
return 0;
}
public byte[] getHandshakeReservedBytes() {
return null;
}
public String getClientNameFromExtensionHandshake() {return null;}
public String getClientNameFromPeerID() {return null;}
};
f_stats[0] = new PEPeerStats() {
public PEPeer getPeer() {
return( peer );
}
public void dataBytesSent( int num_bytes ){}
public void protocolBytesSent( int num_bytes ){}
public void dataBytesReceived( int num_bytes ){}
public void protocolBytesReceived( int num_bytes ){}
public void bytesDiscarded( int num_bytes ){}
public void hasNewPiece( int piece_size ){}
public void statisticalSentPiece( int piece_size ){}
public long getDataReceiveRate(){ return 0; }
public long getProtocolReceiveRate(){ return 0; }
public long getTotalDataBytesReceived(){ return bytes_received; }
public long getTotalProtocolBytesReceived(){ return 0; }
public long getDataSendRate(){ return 0; }
public long getProtocolSendRate(){ return 0; }
public long getTotalDataBytesSent(){ return bytes_sent; }
public long getTotalProtocolBytesSent(){ return 0; }
public long getSmoothDataReceiveRate(){ return 0; }
public long getTotalBytesDiscarded(){ return 0; }
public long getEstimatedDownloadRateOfPeer(){ return 0; }
public long getEstimatedUploadRateOfPeer(){ return 0; }
public long getTotalBytesDownloadedByPeer(){ return 0; }
public void diskReadComplete( long bytes ){};
public int getTotalDiskReadCount(){ return 0; }
public int getAggregatedDiskReadCount(){ return 0; }
public long getTotalDiskReadBytes(){ return 0; }
public void setUploadRateLimitBytesPerSecond( int bytes ){}
public void setDownloadRateLimitBytesPerSecond( int bytes ){}
public int getUploadRateLimitBytesPerSecond(){return 0;}
public int getDownloadRateLimitBytesPerSecond(){return 0;}
};
peers.add( peer );
}
return peers;
}
}
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