/*
* Created on Apr 30, 2004
* Created by Alon Rohter
* 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.peermanager.messaging.azureus.session;
import java.util.*;
import org.gudy.azureus2.core3.util.*;
import com.aelitis.azureus.core.peermanager.messaging.*;
import com.aelitis.azureus.core.peermanager.messaging.azureus.AZMessage;
/**
* Sent as reply to torrent session initiation request.
*/
public class AZSessionAck implements AZMessage {
private final byte version;
private DirectByteBuffer buffer = null;
private String description = null;
private final int session_id;
private final byte[] infohash;
private final Map session_info;
public AZSessionAck( byte[] infohash, int local_session_id, Map session_info, byte version ) {
this.session_id = local_session_id;
this.infohash = infohash;
this.session_info = session_info;
this.version = version;
}
public int getSessionID(){ return session_id; }
public byte[] getInfoHash() { return infohash; }
public Map getSessionInfo() { return session_info; }
public String getID() { return AZMessage.ID_AZ_SESSION_ACK; }
public byte[] getIDBytes() { return AZMessage.ID_AZ_SESSION_ACK_BYTES; }
public String getFeatureID() { throw new RuntimeException( "not implemented" ); } //TODO
public int getFeatureSubID() { throw new RuntimeException( "not implemented" ); } //TODO
public int getType() { return Message.TYPE_PROTOCOL_PAYLOAD; }
public byte getVersion() { return version; };
public String getDescription() {
if( description == null ) {
description = getID()+ " session id " +session_id+ " for infohash " +ByteFormatter.nicePrint( infohash, true );
}
return description;
}
public DirectByteBuffer[] getData() {
if( buffer == null ) {
Map payload_map = new HashMap();
payload_map.put( "session_id", new Long(session_id) );
payload_map.put( "infohash", infohash );
payload_map.put( "info", session_info );
buffer = MessagingUtil.convertPayloadToBencodedByteStream( payload_map, DirectByteBuffer.AL_MSG );
}
return new DirectByteBuffer[]{ buffer };
}
public Message deserialize( DirectByteBuffer data, byte version ) throws MessageException {
Map root = MessagingUtil.convertBencodedByteStreamToPayload( data, 20, getID() );
Long id = (Long)root.get( "session_id" );
if( id == null ) throw new MessageException( "id == null" );
int sid = id.intValue();
byte[] hash = (byte[])root.get( "infohash" );
if( hash == null ) throw new MessageException( "hash == null" );
if( hash.length != 20 ) throw new MessageException( "hash.length != 20: " +hash.length );
Map info = (Map)root.get( "info" );
return new AZSessionAck( hash, sid, info, version );
}
public void destroy() {
if( buffer != null ) buffer.returnToPool();
}
}
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