/*
* File : PRUDPPacketReplyConnect.java
* Created : 20-Jan-2004
* By : parg
*
* Azureus - a Java Bittorrent client
*
* 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.
*
* 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 ( see the LICENSE file ).
*
* 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
*/
package com.aelitis.azureus.core.dht.transport.udp.impl;
/**
* @author parg
*
*/
import java.io.*;
import java.net.InetSocketAddress;
import java.util.List;
import com.aelitis.azureus.core.dht.transport.DHTTransportAlternativeContact;
import com.aelitis.azureus.core.dht.transport.DHTTransportContact;
import com.aelitis.azureus.core.dht.transport.udp.DHTTransportUDP;
import com.aelitis.azureus.core.dht.transport.udp.impl.packethandler.DHTUDPPacketNetworkHandler;
public class
DHTUDPPacketReplyPing
extends DHTUDPPacketReply
{
private static final DHTTransportAlternativeContact[] EMPTY_CONTACTS = {};
private DHTTransportAlternativeContact[] alt_contacts = EMPTY_CONTACTS;
public
DHTUDPPacketReplyPing(
DHTTransportUDPImpl transport,
int trans_id,
long conn_id,
DHTTransportContact local_contact,
DHTTransportContact remote_contact )
{
super( transport, DHTUDPPacketHelper.ACT_REPLY_PING, trans_id, conn_id, local_contact, remote_contact );
}
protected
DHTUDPPacketReplyPing(
DHTUDPPacketNetworkHandler network_handler,
InetSocketAddress originator,
DataInputStream is,
int trans_id )
throws IOException
{
super( network_handler, originator, is, DHTUDPPacketHelper.ACT_REPLY_PING, trans_id );
if ( getProtocolVersion() >= DHTTransportUDP.PROTOCOL_VERSION_VIVALDI ){
DHTUDPUtils.deserialiseVivaldi( this, is );
}
if ( getProtocolVersion() >= DHTTransportUDP.PROTOCOL_VERSION_ALT_CONTACTS ){
alt_contacts = DHTUDPUtils.deserialiseAltContacts( is );
}
}
public void
serialise(
DataOutputStream os )
throws IOException
{
super.serialise(os);
if ( getProtocolVersion() >= DHTTransportUDP.PROTOCOL_VERSION_VIVALDI ){
DHTUDPUtils.serialiseVivaldi( this, os );
}
if ( getProtocolVersion() >= DHTTransportUDP.PROTOCOL_VERSION_ALT_CONTACTS ){
DHTUDPUtils.serialiseAltContacts( os, alt_contacts );
}
}
protected void
setAltContacts(
List<DHTTransportAlternativeContact> _contacts )
{
final int MAX_CONTACTS = 16;
if ( _contacts.size() < MAX_CONTACTS ){
alt_contacts = _contacts.toArray( new DHTTransportAlternativeContact[ _contacts.size()]);
}else{
alt_contacts = new DHTTransportAlternativeContact[MAX_CONTACTS];
for ( int i=0;i<alt_contacts.length;i++){
alt_contacts[i] = _contacts.get(i);
}
}
}
protected DHTTransportAlternativeContact[]
getAltContacts()
{
return( alt_contacts );
}
}